/* ═══════════════ TOKENS ═══════════════ */
:root {
  --canvas: #0b0b0f;
  --surface: #131318;
  --surface-2: #1a1a22;
  --border: rgba(255, 255, 255, 0.08);
  --border-str: rgba(255, 255, 255, 0.14);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.68);
  --text-3: rgba(255, 255, 255, 0.45);
  --violet: #8b5cf6;
  --pink: #ec4899;
  --amber: #f59e0b;
  --grad: linear-gradient(100deg, #8b5cf6, #ec4899, #f59e0b);
  --grad-btn: linear-gradient(100deg, #8b5cf6, #ec4899);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --pad: clamp(72px, 9vw, 140px);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: "Hind Siliguri", "Space Grotesk", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.02em;
}
p {
  margin: 0;
  color: var(--text-2);
}
::selection {
  background: var(--violet);
  color: #fff;
}
:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ═══════════════ LAYOUT ═══════════════ */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 22px;
}
section {
  position: relative;
}
.sec {
  padding-block: var(--pad);
}
.tint {
  background: #0f0f14;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-str);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
}
.eyebrow i {
  font-size: 11px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sec-head {
  max-width: 660px;
  margin-bottom: 56px;
}
.sec-head.center {
  margin-inline: auto;
  text-align: center;
}
.sec-head h2 {
  font-size: clamp(28px, 4.3vw, 42px);
  margin: 20px 0 14px;
}
.sec-head p {
  font-size: 17px;
}
.grad-txt {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══════════════ AURORA ═══════════════ */
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.a1 {
  width: 620px;
  height: 620px;
  background: #8b5cf6;
  opacity: 0.3;
  top: -230px;
  left: -160px;
}
.a2 {
  width: 520px;
  height: 520px;
  background: #ec4899;
  opacity: 0.22;
  top: 60px;
  right: -190px;
}
.a3 {
  width: 460px;
  height: 460px;
  background: #f59e0b;
  opacity: 0.14;
  bottom: -240px;
  left: 38%;
}

/* ═══════════════ BUTTONS ═══════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease,
    border-color 0.22s ease;
}
.btn-primary {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(236, 72, 153, 0.45);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-str);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 11px 22px;
  font-size: 14px;
}
.btn-lg {
  padding: 17px 36px;
  font-size: 16px;
}

/* ═══════════════ CARD (the design system) ═══════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    background 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-str);
  background: var(--surface-2);
}
.ic {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 20px;
  background: rgba(139, 92, 246, 0.13);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #a78bfa;
}
.card h3 {
  font-size: 19px;
  margin-bottom: 9px;
}
.card p {
  font-size: 15px;
  line-height: 1.7;
}

/* ═══════════════ NAV ═══════════════ */
header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition:
    background 0.3s,
    border-color 0.3s,
    backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
header.stuck {
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--grad-btn);
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 19px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(139, 92, 246, 0.4);
}
.logo small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  line-height: 1;
  margin-top: 2px;
  letter-spacing: 0.04em;
}
.menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
}
.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--grad-btn);
  border-radius: 2px;
  transition: right 0.25s ease;
}
.menu a:hover {
  color: #fff;
}
.menu a:hover::after {
  right: 0;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-str);
  cursor: pointer;
  font-size: 17px;
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  padding-top: 150px;
  padding-bottom: var(--pad);
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.2;
  margin: 26px 0 22px;
}
.hero .lead {
  font-size: clamp(16px, 1.6vw, 18.5px);
  max-width: 560px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 30px;
}
.proof {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 14px;
}
.avatars {
  display: flex;
}
.avatars span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-right: -11px;
  border: 2px solid var(--canvas);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  font-family: "Space Grotesk", sans-serif;
  color: #fff;
}
.stars {
  color: var(--amber);
  letter-spacing: 1px;
  font-size: 13px;
}

/* hero glass mockups */
.mock {
  position: relative;
  min-height: 430px;
}
.glass {
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 20px;
}
.mock-main {
  animation: float 7s ease-in-out infinite;
}
.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 14px;
}
.mock-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.mock-title {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.16);
}
.tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #c4b5fd;
}
.tag.ok {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(34, 197, 94, 0.3);
  color: #86efac;
}
.mock-float {
  position: absolute;
  right: -12px;
  bottom: -18px;
  width: 250px;
  animation: float 6s ease-in-out infinite reverse;
}
.bar {
  height: 7px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin-top: 9px;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--grad-btn);
  border-radius: 99px;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

/* ═══════════════ STATS ═══════════════ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat {
  text-align: center;
  padding: 30px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat b {
  display: block;
  font-size: clamp(28px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span {
  font-size: 14.5px;
  color: var(--text-3);
}

/* ═══════════════ GRIDS ═══════════════ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ═══════════════ ABOUT ═══════════════ */
.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.portrait {
  aspect-ratio: 1/1.12;
  border-radius: 26px;
  border: 1px solid var(--border-str);
  background: linear-gradient(
    160deg,
    rgba(139, 92, 246, 0.22),
    rgba(236, 72, 153, 0.13) 55%,
    rgba(245, 158, 11, 0.1)
  );
  display: grid;
  place-items: center;
  overflow: hidden;
}
.portrait span {
  font-size: clamp(70px, 11vw, 120px);
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
}
.badge-float {
  position: absolute;
  left: -16px;
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border-str);
  border-radius: 16px;
  padding: 13px 17px;
}
.badge-float b {
  font-size: 17px;
  font-family: "Space Grotesk", sans-serif;
}
.badge-float small {
  display: block;
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.3;
}
.check-list {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  gap: 13px;
}
.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 15.5px;
  color: var(--text-2);
}
.check-list i {
  flex: none;
  margin-top: 5px;
  font-size: 13px;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.28);
}

/* ═══════════════ COURSE CARDS ═══════════════ */
.course {
  display: flex;
  flex-direction: column;
}
.course.featured {
  border-color: rgba(236, 72, 153, 0.45);
  background: linear-gradient(
    180deg,
    rgba(236, 72, 153, 0.09),
    var(--surface) 42%
  );
}
.ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-btn);
  padding: 5px 17px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(236, 72, 153, 0.4);
}
.price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 16px 0 4px;
}
.price b {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.price small {
  font-size: 14px;
  color: var(--text-3);
}
.feat {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
  flex: 1;
}
.feat li {
  display: flex;
  gap: 11px;
  font-size: 14.6px;
  color: var(--text-2);
  align-items: flex-start;
}
.feat i {
  flex: none;
  margin-top: 6px;
  font-size: 11px;
  color: #a78bfa;
}
.course .btn {
  width: 100%;
}

.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 44px;
  justify-content: center;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text-2);
  transition:
    border-color 0.25s,
    color 0.25s,
    transform 0.25s;
}
.chip:hover {
  border-color: rgba(139, 92, 246, 0.45);
  color: #fff;
  transform: translateY(-2px);
}
.chip i {
  color: #a78bfa;
  font-size: 13px;
}

/* ═══════════════ BENTO SERVICES ═══════════════ */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.bento .card {
  padding: 28px;
}
.bento .wide {
  grid-column: span 2;
}
.bento .card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
}
.bento .card:hover::before {
  opacity: 0.9;
}
.bento .wide .inner {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.bento .wide .ic {
  margin-bottom: 0;
}
.tiny {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tiny span {
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

/* ═══════════════ STEPS ═══════════════ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.step {
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.step .num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
}
.step h3 {
  font-size: 19px;
  margin: 14px 0 10px;
}
.step p {
  font-size: 15px;
}

/* ═══════════════ TECH STRIP ═══════════════ */
.strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
  align-items: center;
  opacity: 0.8;
}
.strip span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-2);
  font-family: "Space Grotesk", sans-serif;
  transition:
    color 0.25s,
    opacity 0.25s;
}
.strip span:hover {
  color: #fff;
}
.strip i {
  font-size: 21px;
  color: #a78bfa;
}

/* ═══════════════ TESTIMONIALS ═══════════════ */
.quote {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.quote .stars {
  font-size: 14px;
}
.quote p {
  font-size: 15.5px;
  line-height: 1.78;
  flex: 1;
}
.who {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.who .av {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 16px;
  font-family: "Space Grotesk", sans-serif;
  flex: none;
}
.who b {
  font-size: 15px;
  display: block;
  line-height: 1.35;
}
.who small {
  font-size: 13px;
  color: var(--text-3);
}

/* ═══════════════ BOOKING FORM ═══════════════ */
.book {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 52px;
  align-items: start;
}
.form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(26px, 3.4vw, 38px);
}
.field {
  margin-bottom: 17px;
}
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-2);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 15px;
  transition:
    border-color 0.22s,
    background 0.22s;
}
.field textarea {
  resize: vertical;
  min-height: 104px;
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.6);
  background: rgba(255, 255, 255, 0.07);
}
.field select option {
  background: #17171e;
  color: #fff;
}
.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-note {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 14px;
  text-align: center;
}

/* ═══════════════ FAQ ═══════════════ */
.faq {
  max-width: 820px;
  margin-inline: auto;
  display: grid;
  gap: 14px;
}
details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s;
}
details[open] {
  border-color: rgba(139, 92, 246, 0.4);
}
summary {
  list-style: none;
  cursor: pointer;
  padding: 21px 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  font-weight: 600;
  font-size: 16.5px;
}
summary::-webkit-details-marker {
  display: none;
}
summary i {
  flex: none;
  font-size: 13px;
  color: #a78bfa;
  transition: transform 0.3s;
}
details[open] summary i {
  transform: rotate(45deg);
}
details p {
  padding: 0 26px 23px;
  font-size: 15.3px;
  line-height: 1.8;
}

/* ═══════════════ FINAL CTA ═══════════════ */
.cta-band {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: 30px;
  padding: clamp(48px, 7vw, 84px) 26px;
  border: 1px solid var(--border-str);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.2),
    rgba(236, 72, 153, 0.13) 50%,
    rgba(245, 158, 11, 0.1)
  );
}
.cta-band h2 {
  font-size: clamp(26px, 4.2vw, 42px);
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-band p {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 17px;
  position: relative;
  z-index: 2;
}
.cta-band .hero-cta {
  justify-content: center;
  position: relative;
  z-index: 2;
  margin-bottom: 0;
}

/* ═══════════════ FOOTER ═══════════════ */
footer {
  border-top: 1px solid var(--border);
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}
.f-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
  position: relative;
  z-index: 2;
}
.f-grid h4 {
  font-size: 15px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.f-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.f-grid ul a {
  font-size: 14.8px;
  color: var(--text-3);
  transition: color 0.2s;
}
.f-grid ul a:hover {
  color: #fff;
}
.f-brand p {
  font-size: 14.8px;
  margin: 18px 0 22px;
  max-width: 320px;
}
.socials {
  display: flex;
  gap: 11px;
}
.socials a {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  font-size: 16px;
  color: var(--text-2);
  transition: 0.25s;
}
.socials a:hover {
  background: var(--grad-btn);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}
.watermark {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(70px, 15vw, 180px);
  color: rgba(255, 255, 255, 0.022);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -0.04em;
  z-index: 1;
}
.copy {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  padding-block: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.6px;
  color: var(--text-3);
  position: relative;
  z-index: 2;
}

/* floating whatsapp */
.fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s;
}
.fab:hover {
  transform: scale(1.09);
}

/* ═══════════════ REVEAL ═══════════════ */
.rv {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.65s cubic-bezier(0.2, 0.7, 0.3, 1),
    transform 0.65s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.rv.in {
  opacity: 1;
  transform: none;
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1000px) {
  .hero-grid,
  .about,
  .book {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .mock {
    min-height: auto;
    max-width: 460px;
  }
  .hero {
    padding-top: 124px;
  }
  .bento,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .f-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
}
@media (max-width: 820px) {
  .menu {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 11, 15, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 12px 22px 22px;
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.3, 0.8, 0.3, 1);
  }
  .menu.open {
    transform: none;
  }
  .menu li {
    border-bottom: 1px solid var(--border);
  }
  .menu li:last-child {
    border-bottom: 0;
  }
  .menu a {
    display: block;
    padding: 15px 0;
    font-size: 16px;
  }
  .menu a::after {
    display: none;
  }
  .burger {
    display: grid;
    place-items: center;
  }
  .nav-cta .btn {
    display: none;
  }
  .grid-3,
  .steps {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento .wide {
    grid-column: span 2;
  }
}
@media (max-width: 560px) {
  .bento,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .bento .wide {
    grid-column: span 1;
  }
  .row2 {
    grid-template-columns: 1fr;
  }
  .f-grid {
    grid-template-columns: 1fr;
  }
  .mock-float {
    position: static;
    width: 100%;
    margin-top: 16px;
    animation: none;
  }
  .badge-float {
    left: 0;
    bottom: -14px;
  }
  .copy {
    justify-content: center;
    text-align: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .rv {
    opacity: 1;
    transform: none;
  }
}
/* ═══════════════ NAV: ICT HIGHLIGHT ═══════════════ */
.menu a.hot {
  color: #fff;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.menu a.hot::after {
  display: none;
}
.menu a.hot:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(236, 72, 153, 0.55);
}
.menu a.hot i {
  font-size: 11px;
  margin-right: 6px;
  color: #c4b5fd;
}
.menu a[aria-current="page"] {
  color: #fff;
}
.menu a[aria-current="page"]::after {
  right: 0;
}

/* ═══════════════ ICT TEASER (home page) ═══════════════ */
.teaser {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: clamp(34px, 4.5vw, 56px);
  border: 1px solid var(--border-str);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.16),
    rgba(236, 72, 153, 0.09) 55%,
    transparent
  );
}
.teaser-head {
  display: flex;
  gap: 28px;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 36px;
  position: relative;
  z-index: 2;
}
.teaser-head h2 {
  font-size: clamp(26px, 3.9vw, 38px);
  margin: 18px 0 12px;
}
.teaser-head p {
  font-size: 16.5px;
  max-width: 520px;
}
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
  z-index: 2;
}
.mini {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(11, 11, 15, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}
.mini:hover {
  transform: translateY(-4px);
  border-color: rgba(236, 72, 153, 0.45);
}
.mini .ic {
  margin-bottom: 0;
  flex: none;
  width: 46px;
  height: 46px;
  font-size: 18px;
}
.mini b {
  display: block;
  font-size: 16.5px;
  line-height: 1.4;
}
.mini small {
  font-size: 13.5px;
  color: var(--text-3);
}
.mini .amt {
  margin-left: auto;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 17px;
  white-space: nowrap;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══════════════ PAGE HERO (inner pages) ═══════════════ */
.page-hero {
  padding-top: 138px;
  padding-bottom: clamp(56px, 7vw, 86px);
  overflow: hidden;
  text-align: center;
}
.page-hero .wrap {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  font-size: clamp(31px, 5vw, 54px);
  line-height: 1.22;
  margin: 24px auto 20px;
  max-width: 880px;
}
.page-hero .lead {
  font-size: clamp(16px, 1.6vw, 18px);
  max-width: 640px;
  margin-inline: auto;
}
.page-hero .hero-cta {
  justify-content: center;
}
.page-hero .proof {
  justify-content: center;
}
.crumb {
  font-size: 13.5px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.crumb a {
  color: var(--text-2);
}
.crumb a:hover {
  color: #fff;
}

/* ═══════════════ SYLLABUS ═══════════════ */
.chapter {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: flex-start;
  padding: 26px 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition:
    border-color 0.3s,
    transform 0.3s,
    background 0.3s;
}
.chapter:hover {
  border-color: rgba(139, 92, 246, 0.42);
  transform: translateX(5px);
  background: var(--surface-2);
}
.chapter .no {
  font-family: "Space Grotesk", sans-serif;
  font-size: 27px;
  font-weight: 700;
  line-height: 1;
  min-width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(139, 92, 246, 0.13);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #a78bfa;
}
.chapter h3 {
  font-size: 18.5px;
  margin-bottom: 9px;
}
.chapter .tiny {
  margin-top: 12px;
}
.marks {
  flex: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

/* ═══════════════ ROUTINE ═══════════════ */
.routine {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}
.routine th,
.routine td {
  padding: 15px 18px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}
.routine th {
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--text-3);
  text-transform: uppercase;
}
.routine th:first-child,
.routine td:first-child {
  text-align: left;
}
.routine td {
  color: var(--text-2);
}
.routine td:first-child {
  color: #fff;
  font-weight: 600;
}
.routine tbody tr:last-child td {
  border-bottom: 0;
}
.routine tbody tr {
  transition: background 0.25s;
}
.routine tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  overflow-x: auto;
}

/* ═══════════════ RESULT HIGHLIGHT ═══════════════ */
.result-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.result {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}
.result b {
  display: block;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: "Space Grotesk", sans-serif;
}
.result span {
  font-size: 14.5px;
  color: var(--text-3);
}

@media (max-width: 1000px) {
  .mini-grid {
    grid-template-columns: 1fr;
  }
  .result-band {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding-top: 118px;
  }
}
@media (max-width: 640px) {
  .chapter {
    grid-template-columns: auto 1fr;
    gap: 16px;
    padding: 22px;
  }
  .chapter .marks {
    grid-column: 2;
    justify-self: start;
  }
  .mini {
    flex-wrap: wrap;
  }
  .mini .amt {
    margin-left: 0;
    width: 100%;
  }
}

/* ═══════════════ FOOTER: 5 COLUMN VARIANT ═══════════════ */
.f-grid.cols-5 {
  grid-template-columns: 1.6fr 0.85fr 0.85fr 0.85fr 1.1fr;
  gap: 36px;
}
@media (max-width: 1000px) {
  .f-grid.cols-5 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .f-grid.cols-5 {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════ BLOG: LIST ═══════════════ */
.blog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
  max-width: 380px;
}
.search-box input {
  width: 100%;
  padding: 13px 46px 13px 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 15px;
  transition:
    border-color 0.25s,
    background 0.25s;
}
.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.34);
}
.search-box input:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.6);
  background: rgba(255, 255, 255, 0.08);
}
.search-box .s-ic {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--text-3);
  pointer-events: none;
}
.search-box button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-3);
  cursor: pointer;
  font-size: 12px;
}
.search-box button:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}
.cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cat-chip {
  cursor: pointer;
  font-family: inherit;
}
.cat-chip.active {
  color: #fff;
  border-color: transparent;
  background: var(--grad-btn);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

/* ── ফিচার্ড পোস্ট ── */
.feature-post {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  margin-bottom: 54px;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.feature-post:hover {
  border-color: rgba(139, 92, 246, 0.45);
  transform: translateY(-4px);
}
.feature-txt {
  padding: clamp(26px, 3.4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}
.feature-txt h2 {
  font-size: clamp(23px, 2.9vw, 32px);
  margin: 18px 0 14px;
}
.feature-txt p {
  font-size: 16px;
  line-height: 1.75;
}
.feature-txt .post-meta {
  margin: 20px 0 24px;
}
.feature-txt .btn {
  align-self: flex-start;
}

/* ── কভার ── */
.post-cover {
  position: relative;
  aspect-ratio: 16/9;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--grad-btn);
}
.post-cover.lg {
  aspect-ratio: auto;
  min-height: 100%;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-cover > i {
  font-size: 46px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
}
.post-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0.35)
  );
}
.post-cat {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(11, 11, 15, 0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}
.feature-post .post-cat {
  top: 18px;
  right: 18px;
}

/* ── পোস্ট কার্ড ── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.post-link {
  position: absolute;
  inset: 0;
  z-index: 3;
}
.post-body-wrap {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card h3 {
  font-size: 18.5px;
  line-height: 1.45;
  margin: 12px 0 10px;
}
.post-card p {
  font-size: 14.8px;
  line-height: 1.72;
  color: var(--text-2);
  flex: 1;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.2px;
  color: var(--text-3);
  flex-wrap: wrap;
}
.post-meta .sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}
.post-meta i {
  font-size: 12px;
  margin-left: 2px;
}
.post-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: #c4b5fd;
}
.post-more i {
  font-size: 12px;
  transition: transform 0.25s;
}
.post-card:hover .post-more i {
  transform: translateX(5px);
}
.post-card:hover .post-cover img {
  transform: scale(1.05);
}
.post-cover img {
  transition: transform 0.5s ease;
}

.empty-state {
  text-align: center;
  padding: 66px 24px;
  border: 1px dashed var(--border-str);
  border-radius: var(--radius);
  color: var(--text-3);
}
.empty-state i {
  font-size: 30px;
  color: #a78bfa;
  margin-bottom: 14px;
  display: block;
}
.empty-state b {
  display: block;
  color: #fff;
  font-size: 18px;
  margin-bottom: 8px;
}

/* ═══════════════ BLOG: DETAIL ═══════════════ */
.read-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--grad);
  z-index: 120;
  transition: width 0.12s linear;
}
.post-head {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.post-head h1 {
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.28;
  margin: 18px 0 18px;
}
.post-head .lead {
  font-size: clamp(15.5px, 1.6vw, 18px);
  max-width: 660px;
  margin-inline: auto;
}
.post-byline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-3);
}
.post-byline .av {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--grad-btn);
  font-weight: 600;
  font-size: 15px;
  color: #fff;
}
.post-byline b {
  color: #fff;
  font-weight: 600;
  font-size: 14.6px;
}

.post-hero-cover {
  max-width: 960px;
  margin: 44px auto 0;
  aspect-ratio: 21/9;
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid var(--border);
}
.post-hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-hero-cover > i {
  font-size: 64px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 10px 34px rgba(0, 0, 0, 0.3);
}

.post-layout {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 38px;
  max-width: 880px;
  margin-inline: auto;
}

/* ── শেয়ার ── */
.share-rail {
  position: sticky;
  top: 104px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.share-rail .lbl {
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  margin-bottom: 2px;
}
.share-btn {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 16px;
  transition:
    transform 0.25s,
    background 0.25s,
    color 0.25s,
    border-color 0.25s;
}
.share-btn:hover {
  transform: translateY(-3px);
  color: #fff;
  border-color: transparent;
}
.share-btn[data-share="facebook"]:hover {
  background: #1877f2;
}
.share-btn[data-share="whatsapp"]:hover {
  background: #25d366;
}
.share-btn[data-share="twitter"]:hover {
  background: #000;
}
.share-btn[data-share="linkedin"]:hover {
  background: #0a66c2;
}
.share-btn[data-share="telegram"]:hover {
  background: #229ed9;
}
.share-btn.copy:hover,
.share-btn.native:hover {
  background: var(--grad-btn);
}

.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px 24px;
  margin-top: 44px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.share-bar b {
  font-size: 15px;
  margin-inline-end: auto;
}
.share-bar .share-btn {
  width: 44px;
  height: 44px;
}

/* ── লেখার টাইপোগ্রাফি ── */
.post-body {
  font-size: 17px;
  line-height: 1.95;
  color: var(--text-2);
}
.post-body > *:first-child {
  margin-top: 0;
}
.post-body p {
  margin: 0 0 24px;
}
.post-body h2 {
  font-size: clamp(21px, 2.5vw, 27px);
  color: #fff;
  margin: 44px 0 16px;
  scroll-margin-top: 96px;
}
.post-body h3 {
  font-size: clamp(18px, 2vw, 21px);
  color: #fff;
  margin: 36px 0 14px;
}
.post-body ul,
.post-body ol {
  margin: 0 0 24px;
  padding-inline-start: 22px;
  display: grid;
  gap: 11px;
}
.post-body li {
  line-height: 1.85;
}
.post-body li::marker {
  color: #a78bfa;
}
.post-body b,
.post-body strong {
  color: #fff;
  font-weight: 600;
}
.post-body a {
  color: #c4b5fd;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-body a:hover {
  color: #fff;
}
.post-body img {
  border-radius: var(--radius);
  margin: 12px 0 26px;
  border: 1px solid var(--border);
}
.post-body code {
  font-family: "Space Grotesk", ui-monospace, monospace;
  font-size: 14.5px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #c4b5fd;
}
.post-body pre {
  background: #0e0e13;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  overflow-x: auto;
  margin: 0 0 26px;
  font-size: 14.5px;
  line-height: 1.7;
}
.post-body pre code {
  background: none;
  border: 0;
  padding: 0;
  color: #e9d5ff;
}
.post-body blockquote {
  margin: 0 0 26px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: linear-gradient(
    180deg,
    rgba(139, 92, 246, 0.1),
    rgba(236, 72, 153, 0.05)
  );
  border: 1px solid rgba(139, 92, 246, 0.26);
  border-inline-start: 3px solid #8b5cf6;
  color: #fff;
  font-size: 16.5px;
  line-height: 1.85;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}
.post-tags .chip {
  font-size: 13.5px;
  padding: 8px 15px;
}

/* ── লেখক বক্স ── */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 28px;
  border-radius: var(--radius);
  margin-top: 30px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.author-box .av {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--grad-btn);
  font-size: 24px;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}
.author-box b {
  display: block;
  font-size: 17px;
  margin-bottom: 4px;
}
.author-box small {
  display: block;
  font-size: 13.5px;
  color: var(--text-3);
  margin-bottom: 10px;
}
.author-box p {
  font-size: 14.8px;
  line-height: 1.75;
}

/* ── আগের / পরের ── */
.pn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 40px;
}
.pn-item {
  padding: 22px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition:
    border-color 0.25s,
    transform 0.25s,
    background 0.25s;
}
.pn-item small {
  display: block;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.pn-item b {
  font-size: 15.5px;
  line-height: 1.5;
  display: block;
}
.pn-item:hover {
  border-color: rgba(139, 92, 246, 0.45);
  transform: translateY(-3px);
  background: var(--surface-2);
}
.pn-item.empty {
  background: none;
  border: 1px dashed var(--border);
  pointer-events: none;
}
.pn-item:last-child {
  text-align: left;
}

/* ── টোস্ট ── */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  z-index: 200;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  background: rgba(26, 26, 34, 0.96);
  border: 1px solid rgba(139, 92, 246, 0.5);
  color: #fff;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.28s,
    transform 0.28s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ── 404 ── */
.post-404 {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  padding: 70px 20px;
}
.post-404 i {
  font-size: 42px;
  color: #a78bfa;
  margin-bottom: 20px;
  display: block;
}
.post-404 h2 {
  font-size: 26px;
  margin-bottom: 12px;
}
.post-404 p {
  margin-bottom: 26px;
}

/* ── ব্লগ রেসপনসিভ ── */
@media (max-width: 1080px) {
  .menu {
    gap: 20px;
  }
}
@media (max-width: 1000px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-post {
    grid-template-columns: 1fr;
  }
  .post-cover.lg {
    aspect-ratio: 16/9;
    min-height: auto;
  }
  .post-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .share-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-bottom: 26px;
    margin-bottom: 26px;
    border-bottom: 1px solid var(--border);
  }
  .share-rail .lbl {
    margin: 0 6px 0 0;
  }
}
@media (max-width: 820px) {
  .blog-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    max-width: none;
  }
  .post-grid {
    grid-template-columns: 1fr;
  }
  .pn-grid {
    grid-template-columns: 1fr;
  }
  .pn-item:last-child {
    text-align: right;
  }
  .post-hero-cover {
    aspect-ratio: 16/9;
  }
} /* ═══════════════ TOKENS ═══════════════ */
:root {
  --canvas: #0b0b0f;
  --surface: #131318;
  --surface-2: #1a1a22;
  --border: rgba(255, 255, 255, 0.08);
  --border-str: rgba(255, 255, 255, 0.14);
  --text: #ffffff;
  --text-2: rgba(255, 255, 255, 0.68);
  --text-3: rgba(255, 255, 255, 0.45);
  --violet: #8b5cf6;
  --pink: #ec4899;
  --amber: #f59e0b;
  --grad: linear-gradient(100deg, #8b5cf6, #ec4899, #f59e0b);
  --grad-btn: linear-gradient(100deg, #8b5cf6, #ec4899);
  --radius: 18px;
  --radius-sm: 12px;
  --maxw: 1180px;
  --pad: clamp(72px, 9vw, 140px);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: "Hind Siliguri", "Space Grotesk", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.28;
  font-weight: 700;
  letter-spacing: -0.02em;
}
p {
  margin: 0;
  color: var(--text-2);
}
::selection {
  background: var(--violet);
  color: #fff;
}
:focus-visible {
  outline: 2px solid var(--pink);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ═══════════════ LAYOUT ═══════════════ */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: 22px;
}
section {
  position: relative;
}
.sec {
  padding-block: var(--pad);
}
.tint {
  background: #0f0f14;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-str);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-2);
}
.eyebrow i {
  font-size: 11px;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sec-head {
  max-width: 660px;
  margin-bottom: 56px;
}
.sec-head.center {
  margin-inline: auto;
  text-align: center;
}
.sec-head h2 {
  font-size: clamp(28px, 4.3vw, 42px);
  margin: 20px 0 14px;
}
.sec-head p {
  font-size: 17px;
}
.grad-txt {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══════════════ AURORA ═══════════════ */
.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.a1 {
  width: 620px;
  height: 620px;
  background: #8b5cf6;
  opacity: 0.3;
  top: -230px;
  left: -160px;
}
.a2 {
  width: 520px;
  height: 520px;
  background: #ec4899;
  opacity: 0.22;
  top: 60px;
  right: -190px;
}
.a3 {
  width: 460px;
  height: 460px;
  background: #f59e0b;
  opacity: 0.14;
  bottom: -240px;
  left: 38%;
}

/* ═══════════════ BUTTONS ═══════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition:
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease,
    border-color 0.22s ease;
}
.btn-primary {
  background: var(--grad-btn);
  color: #fff;
  box-shadow: 0 8px 30px rgba(139, 92, 246, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(236, 72, 153, 0.45);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-str);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.28);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 11px 22px;
  font-size: 14px;
}
.btn-lg {
  padding: 17px 36px;
  font-size: 16px;
}

/* ═══════════════ CARD (the design system) ═══════════════ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    background 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--border-str);
  background: var(--surface-2);
}
.ic {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  margin-bottom: 20px;
  background: rgba(139, 92, 246, 0.13);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #a78bfa;
}
.card h3 {
  font-size: 19px;
  margin-bottom: 9px;
}
.card p {
  font-size: 15px;
  line-height: 1.7;
}

/* ═══════════════ NAV ═══════════════ */
header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  transition:
    background 0.3s,
    border-color 0.3s,
    backdrop-filter 0.3s;
  border-bottom: 1px solid transparent;
}
header.stuck {
  background: rgba(11, 11, 15, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--grad-btn);
  display: grid;
  place-items: center;
  font-family: "Space Grotesk", sans-serif;
  font-size: 19px;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(139, 92, 246, 0.4);
}
.logo small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  line-height: 1;
  margin-top: 2px;
  letter-spacing: 0.04em;
}
.menu {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 0.2s;
  position: relative;
}
.menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 2px;
  background: var(--grad-btn);
  border-radius: 2px;
  transition: right 0.25s ease;
}
.menu a:hover {
  color: #fff;
}
.menu a:hover::after {
  right: 0;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.burger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-str);
  cursor: pointer;
  font-size: 17px;
}

/* ═══════════════ HERO ═══════════════ */
.hero {
  padding-top: 150px;
  padding-bottom: var(--pad);
  overflow: hidden;
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 60px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1.2;
  margin: 26px 0 22px;
}
.hero .lead {
  font-size: clamp(16px, 1.6vw, 18.5px);
  max-width: 560px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0 30px;
}
.proof {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 14px;
}
.avatars {
  display: flex;
}
.avatars span {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-right: -11px;
  border: 2px solid var(--canvas);
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 600;
  font-family: "Space Grotesk", sans-serif;
  color: #fff;
}
.stars {
  color: var(--amber);
  letter-spacing: 1px;
  font-size: 13px;
}

/* hero glass mockups */
.mock {
  position: relative;
  min-height: 430px;
}
.glass {
  background: rgba(255, 255, 255, 0.055);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 20px;
}
.mock-main {
  animation: float 7s ease-in-out infinite;
}
.mock-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 14px;
}
.mock-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.mock-title {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 6px;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.16);
}
.tag {
  font-size: 12px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: #c4b5fd;
}
.tag.ok {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(34, 197, 94, 0.3);
  color: #86efac;
}
.mock-float {
  position: absolute;
  right: -12px;
  bottom: -18px;
  width: 250px;
  animation: float 6s ease-in-out infinite reverse;
}
.bar {
  height: 7px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin-top: 9px;
}
.bar i {
  display: block;
  height: 100%;
  background: var(--grad-btn);
  border-radius: 99px;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-14px);
  }
}

/* ═══════════════ STATS ═══════════════ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.stat {
  text-align: center;
  padding: 30px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.stat b {
  display: block;
  font-size: clamp(28px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat span {
  font-size: 14.5px;
  color: var(--text-3);
}

/* ═══════════════ GRIDS ═══════════════ */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ═══════════════ ABOUT ═══════════════ */
.about {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.portrait {
  aspect-ratio: 1/1.12;
  border-radius: 26px;
  border: 1px solid var(--border-str);
  background: linear-gradient(
    160deg,
    rgba(139, 92, 246, 0.22),
    rgba(236, 72, 153, 0.13) 55%,
    rgba(245, 158, 11, 0.1)
  );
  display: grid;
  place-items: center;
  overflow: hidden;
}
.portrait span {
  font-size: clamp(70px, 11vw, 120px);
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
}
.badge-float {
  position: absolute;
  left: -16px;
  bottom: 26px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border-str);
  border-radius: 16px;
  padding: 13px 17px;
}
.badge-float b {
  font-size: 17px;
  font-family: "Space Grotesk", sans-serif;
}
.badge-float small {
  display: block;
  font-size: 12.5px;
  color: var(--text-3);
  line-height: 1.3;
}
.check-list {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  display: grid;
  gap: 13px;
}
.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: 15.5px;
  color: var(--text-2);
}
.check-list i {
  flex: none;
  margin-top: 5px;
  font-size: 13px;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: grid;
  place-items: center;
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.28);
}

/* ═══════════════ COURSE CARDS ═══════════════ */
.course {
  display: flex;
  flex-direction: column;
}
.course.featured {
  border-color: rgba(236, 72, 153, 0.45);
  background: linear-gradient(
    180deg,
    rgba(236, 72, 153, 0.09),
    var(--surface) 42%
  );
}
.ribbon {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-btn);
  padding: 5px 17px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgba(236, 72, 153, 0.4);
}
.price {
  display: flex;
  align-items: baseline;
  gap: 7px;
  margin: 16px 0 4px;
}
.price b {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.price small {
  font-size: 14px;
  color: var(--text-3);
}
.feat {
  list-style: none;
  margin: 22px 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
  flex: 1;
}
.feat li {
  display: flex;
  gap: 11px;
  font-size: 14.6px;
  color: var(--text-2);
  align-items: flex-start;
}
.feat i {
  flex: none;
  margin-top: 6px;
  font-size: 11px;
  color: #a78bfa;
}
.course .btn {
  width: 100%;
}

.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  margin-top: 44px;
  justify-content: center;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text-2);
  transition:
    border-color 0.25s,
    color 0.25s,
    transform 0.25s;
}
.chip:hover {
  border-color: rgba(139, 92, 246, 0.45);
  color: #fff;
  transform: translateY(-2px);
}
.chip i {
  color: #a78bfa;
  font-size: 13px;
}

/* ═══════════════ BENTO SERVICES ═══════════════ */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.bento .card {
  padding: 28px;
}
.bento .wide {
  grid-column: span 2;
}
.bento .card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--grad);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
}
.bento .card:hover::before {
  opacity: 0.9;
}
.bento .wide .inner {
  display: flex;
  gap: 22px;
  align-items: flex-start;
}
.bento .wide .ic {
  margin-bottom: 0;
}
.tiny {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.tiny span {
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}

/* ═══════════════ STEPS ═══════════════ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.step {
  padding: 32px 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}
.step .num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.85;
}
.step h3 {
  font-size: 19px;
  margin: 14px 0 10px;
}
.step p {
  font-size: 15px;
}

/* ═══════════════ TECH STRIP ═══════════════ */
.strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px 40px;
  align-items: center;
  opacity: 0.8;
}
.strip span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-2);
  font-family: "Space Grotesk", sans-serif;
  transition:
    color 0.25s,
    opacity 0.25s;
}
.strip span:hover {
  color: #fff;
}
.strip i {
  font-size: 21px;
  color: #a78bfa;
}

/* ═══════════════ TESTIMONIALS ═══════════════ */
.quote {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.quote .stars {
  font-size: 14px;
}
.quote p {
  font-size: 15.5px;
  line-height: 1.78;
  flex: 1;
}
.who {
  display: flex;
  align-items: center;
  gap: 13px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.who .av {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 16px;
  font-family: "Space Grotesk", sans-serif;
  flex: none;
}
.who b {
  font-size: 15px;
  display: block;
  line-height: 1.35;
}
.who small {
  font-size: 13px;
  color: var(--text-3);
}

/* ═══════════════ BOOKING FORM ═══════════════ */
.book {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 52px;
  align-items: start;
}
.form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: clamp(26px, 3.4vw, 38px);
}
.field {
  margin-bottom: 17px;
}
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-2);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 15px;
  transition:
    border-color 0.22s,
    background 0.22s;
}
.field textarea {
  resize: vertical;
  min-height: 104px;
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255, 255, 255, 0.3);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.6);
  background: rgba(255, 255, 255, 0.07);
}
.field select option {
  background: #17171e;
  color: #fff;
}
.row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-note {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 14px;
  text-align: center;
}

/* ═══════════════ FAQ ═══════════════ */
.faq {
  max-width: 820px;
  margin-inline: auto;
  display: grid;
  gap: 14px;
}
details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.25s;
}
details[open] {
  border-color: rgba(139, 92, 246, 0.4);
}
summary {
  list-style: none;
  cursor: pointer;
  padding: 21px 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  font-weight: 600;
  font-size: 16.5px;
}
summary::-webkit-details-marker {
  display: none;
}
summary i {
  flex: none;
  font-size: 13px;
  color: #a78bfa;
  transition: transform 0.3s;
}
details[open] summary i {
  transform: rotate(45deg);
}
details p {
  padding: 0 26px 23px;
  font-size: 15.3px;
  line-height: 1.8;
}

/* ═══════════════ FINAL CTA ═══════════════ */
.cta-band {
  position: relative;
  overflow: hidden;
  text-align: center;
  border-radius: 30px;
  padding: clamp(48px, 7vw, 84px) 26px;
  border: 1px solid var(--border-str);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.2),
    rgba(236, 72, 153, 0.13) 50%,
    rgba(245, 158, 11, 0.1)
  );
}
.cta-band h2 {
  font-size: clamp(26px, 4.2vw, 42px);
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-band p {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 17px;
  position: relative;
  z-index: 2;
}
.cta-band .hero-cta {
  justify-content: center;
  position: relative;
  z-index: 2;
  margin-bottom: 0;
}

/* ═══════════════ FOOTER ═══════════════ */
footer {
  border-top: 1px solid var(--border);
  padding-top: 72px;
  position: relative;
  overflow: hidden;
}
.f-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 44px;
  position: relative;
  z-index: 2;
}
.f-grid h4 {
  font-size: 15px;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.f-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}
.f-grid ul a {
  font-size: 14.8px;
  color: var(--text-3);
  transition: color 0.2s;
}
.f-grid ul a:hover {
  color: #fff;
}
.f-brand p {
  font-size: 14.8px;
  margin: 18px 0 22px;
  max-width: 320px;
}
.socials {
  display: flex;
  gap: 11px;
}
.socials a {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  font-size: 16px;
  color: var(--text-2);
  transition: 0.25s;
}
.socials a:hover {
  background: var(--grad-btn);
  color: #fff;
  border-color: transparent;
  transform: translateY(-3px);
}
.watermark {
  position: absolute;
  left: 50%;
  bottom: 36px;
  transform: translateX(-50%);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(70px, 15vw, 180px);
  color: rgba(255, 255, 255, 0.022);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -0.04em;
  z-index: 1;
}
.copy {
  margin-top: 60px;
  border-top: 1px solid var(--border);
  padding-block: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.6px;
  color: var(--text-3);
  position: relative;
  z-index: 2;
}

/* floating whatsapp */
.fab {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: grid;
  place-items: center;
  font-size: 26px;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  transition: transform 0.25s;
}
.fab:hover {
  transform: scale(1.09);
}

/* ═══════════════ REVEAL ═══════════════ */
.rv {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.65s cubic-bezier(0.2, 0.7, 0.3, 1),
    transform 0.65s cubic-bezier(0.2, 0.7, 0.3, 1);
}
.rv.in {
  opacity: 1;
  transform: none;
}

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1000px) {
  .hero-grid,
  .about,
  .book {
    grid-template-columns: 1fr;
    gap: 46px;
  }
  .mock {
    min-height: auto;
    max-width: 460px;
  }
  .hero {
    padding-top: 124px;
  }
  .bento,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .f-grid {
    grid-template-columns: 1fr 1fr;
    gap: 38px;
  }
}
@media (max-width: 820px) {
  .menu {
    position: fixed;
    inset: 72px 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(11, 11, 15, 0.97);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 12px 22px 22px;
    transform: translateY(-120%);
    transition: transform 0.35s cubic-bezier(0.3, 0.8, 0.3, 1);
  }
  .menu.open {
    transform: none;
  }
  .menu li {
    border-bottom: 1px solid var(--border);
  }
  .menu li:last-child {
    border-bottom: 0;
  }
  .menu a {
    display: block;
    padding: 15px 0;
    font-size: 16px;
  }
  .menu a::after {
    display: none;
  }
  .burger {
    display: grid;
    place-items: center;
  }
  .nav-cta .btn {
    display: none;
  }
  .grid-3,
  .steps {
    grid-template-columns: 1fr;
  }
  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento .wide {
    grid-column: span 2;
  }
}
@media (max-width: 560px) {
  .bento,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .bento .wide {
    grid-column: span 1;
  }
  .row2 {
    grid-template-columns: 1fr;
  }
  .f-grid {
    grid-template-columns: 1fr;
  }
  .mock-float {
    position: static;
    width: 100%;
    margin-top: 16px;
    animation: none;
  }
  .badge-float {
    left: 0;
    bottom: -14px;
  }
  .copy {
    justify-content: center;
    text-align: center;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .rv {
    opacity: 1;
    transform: none;
  }
}
/* ═══════════════ NAV: ICT HIGHLIGHT ═══════════════ */
.menu a.hot {
  color: #fff;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(139, 92, 246, 0.16);
  border: 1px solid rgba(139, 92, 246, 0.4);
}
.menu a.hot::after {
  display: none;
}
.menu a.hot:hover {
  background: rgba(139, 92, 246, 0.3);
  border-color: rgba(236, 72, 153, 0.55);
}
.menu a.hot i {
  font-size: 11px;
  margin-right: 6px;
  color: #c4b5fd;
}
.menu a[aria-current="page"] {
  color: #fff;
}
.menu a[aria-current="page"]::after {
  right: 0;
}

/* ═══════════════ ICT TEASER (home page) ═══════════════ */
.teaser {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: clamp(34px, 4.5vw, 56px);
  border: 1px solid var(--border-str);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.16),
    rgba(236, 72, 153, 0.09) 55%,
    transparent
  );
}
.teaser-head {
  display: flex;
  gap: 28px;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 36px;
  position: relative;
  z-index: 2;
}
.teaser-head h2 {
  font-size: clamp(26px, 3.9vw, 38px);
  margin: 18px 0 12px;
}
.teaser-head p {
  font-size: 16.5px;
  max-width: 520px;
}
.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  position: relative;
  z-index: 2;
}
.mini {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius);
  background: rgba(11, 11, 15, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease;
}
.mini:hover {
  transform: translateY(-4px);
  border-color: rgba(236, 72, 153, 0.45);
}
.mini .ic {
  margin-bottom: 0;
  flex: none;
  width: 46px;
  height: 46px;
  font-size: 18px;
}
.mini b {
  display: block;
  font-size: 16.5px;
  line-height: 1.4;
}
.mini small {
  font-size: 13.5px;
  color: var(--text-3);
}
.mini .amt {
  margin-left: auto;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 17px;
  white-space: nowrap;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ═══════════════ PAGE HERO (inner pages) ═══════════════ */
.page-hero {
  padding-top: 138px;
  padding-bottom: clamp(56px, 7vw, 86px);
  overflow: hidden;
  text-align: center;
}
.page-hero .wrap {
  position: relative;
  z-index: 2;
}
.page-hero h1 {
  font-size: clamp(31px, 5vw, 54px);
  line-height: 1.22;
  margin: 24px auto 20px;
  max-width: 880px;
}
.page-hero .lead {
  font-size: clamp(16px, 1.6vw, 18px);
  max-width: 640px;
  margin-inline: auto;
}
.page-hero .hero-cta {
  justify-content: center;
}
.page-hero .proof {
  justify-content: center;
}
.crumb {
  font-size: 13.5px;
  color: var(--text-3);
  margin-bottom: 20px;
}
.crumb a {
  color: var(--text-2);
}
.crumb a:hover {
  color: #fff;
}

/* ═══════════════ SYLLABUS ═══════════════ */
.chapter {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: flex-start;
  padding: 26px 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition:
    border-color 0.3s,
    transform 0.3s,
    background 0.3s;
}
.chapter:hover {
  border-color: rgba(139, 92, 246, 0.42);
  transform: translateX(5px);
  background: var(--surface-2);
}
.chapter .no {
  font-family: "Space Grotesk", sans-serif;
  font-size: 27px;
  font-weight: 700;
  line-height: 1;
  min-width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(139, 92, 246, 0.13);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #a78bfa;
}
.chapter h3 {
  font-size: 18.5px;
  margin-bottom: 9px;
}
.chapter .tiny {
  margin-top: 12px;
}
.marks {
  flex: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

/* ═══════════════ ROUTINE ═══════════════ */
.routine {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 15px;
}
.routine th,
.routine td {
  padding: 15px 18px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}
.routine th {
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.03em;
  color: var(--text-3);
  text-transform: uppercase;
}
.routine th:first-child,
.routine td:first-child {
  text-align: left;
}
.routine td {
  color: var(--text-2);
}
.routine td:first-child {
  color: #fff;
  font-weight: 600;
}
.routine tbody tr:last-child td {
  border-bottom: 0;
}
.routine tbody tr {
  transition: background 0.25s;
}
.routine tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 10px;
  overflow-x: auto;
}

/* ═══════════════ RESULT HIGHLIGHT ═══════════════ */
.result-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.result {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}
.result b {
  display: block;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.1;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-family: "Space Grotesk", sans-serif;
}
.result span {
  font-size: 14.5px;
  color: var(--text-3);
}

@media (max-width: 1000px) {
  .mini-grid {
    grid-template-columns: 1fr;
  }
  .result-band {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding-top: 118px;
  }
}
@media (max-width: 640px) {
  .chapter {
    grid-template-columns: auto 1fr;
    gap: 16px;
    padding: 22px;
  }
  .chapter .marks {
    grid-column: 2;
    justify-self: start;
  }
  .mini {
    flex-wrap: wrap;
  }
  .mini .amt {
    margin-left: 0;
    width: 100%;
  }
}

/* ═══════════════ FOOTER: 5 COLUMN VARIANT ═══════════════ */
.f-grid.cols-5 {
  grid-template-columns: 1.6fr 0.85fr 0.85fr 0.85fr 1.1fr;
  gap: 36px;
}
@media (max-width: 1000px) {
  .f-grid.cols-5 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .f-grid.cols-5 {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════ BLOG: LIST ═══════════════ */
.blog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
  max-width: 380px;
}
.search-box input {
  width: 100%;
  padding: 13px 46px 13px 44px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: #fff;
  font-size: 15px;
  transition:
    border-color 0.25s,
    background 0.25s;
}
.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.34);
}
.search-box input:focus {
  outline: none;
  border-color: rgba(139, 92, 246, 0.6);
  background: rgba(255, 255, 255, 0.08);
}
.search-box .s-ic {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  color: var(--text-3);
  pointer-events: none;
}
.search-box button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-3);
  cursor: pointer;
  font-size: 12px;
}
.search-box button:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}
.cats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.cat-chip {
  cursor: pointer;
  font-family: inherit;
}
.cat-chip.active {
  color: #fff;
  border-color: transparent;
  background: var(--grad-btn);
  box-shadow: 0 8px 24px rgba(139, 92, 246, 0.3);
}

/* ── ফিচার্ড পোস্ট ── */
.feature-post {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  margin-bottom: 54px;
  transition:
    border-color 0.3s,
    transform 0.3s;
}
.feature-post:hover {
  border-color: rgba(139, 92, 246, 0.45);
  transform: translateY(-4px);
}
.feature-txt {
  padding: clamp(26px, 3.4vw, 44px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}
.feature-txt h2 {
  font-size: clamp(23px, 2.9vw, 32px);
  margin: 18px 0 14px;
}
.feature-txt p {
  font-size: 16px;
  line-height: 1.75;
}
.feature-txt .post-meta {
  margin: 20px 0 24px;
}
.feature-txt .btn {
  align-self: flex-start;
}

/* ── কভার ── */
.post-cover {
  position: relative;
  aspect-ratio: 16/9;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--grad-btn);
}
.post-cover.lg {
  aspect-ratio: auto;
  min-height: 100%;
}
.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-cover > i {
  font-size: 46px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
}
.post-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0.35)
  );
}
.post-cat {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 999px;
  background: rgba(11, 11, 15, 0.62);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}
.feature-post .post-cat {
  top: 18px;
  right: 18px;
}

/* ── পোস্ট কার্ড ── */
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.post-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.post-link {
  position: absolute;
  inset: 0;
  z-index: 3;
}
.post-body-wrap {
  padding: 24px 26px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card h3 {
  font-size: 18.5px;
  line-height: 1.45;
  margin: 12px 0 10px;
}
.post-card p {
  font-size: 14.8px;
  line-height: 1.72;
  color: var(--text-2);
  flex: 1;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13.2px;
  color: var(--text-3);
  flex-wrap: wrap;
}
.post-meta .sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.28);
}
.post-meta i {
  font-size: 12px;
  margin-left: 2px;
}
.post-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 14.5px;
  font-weight: 600;
  color: #c4b5fd;
}
.post-more i {
  font-size: 12px;
  transition: transform 0.25s;
}
.post-card:hover .post-more i {
  transform: translateX(5px);
}
.post-card:hover .post-cover img {
  transform: scale(1.05);
}
.post-cover img {
  transition: transform 0.5s ease;
}

.empty-state {
  text-align: center;
  padding: 66px 24px;
  border: 1px dashed var(--border-str);
  border-radius: var(--radius);
  color: var(--text-3);
}
.empty-state i {
  font-size: 30px;
  color: #a78bfa;
  margin-bottom: 14px;
  display: block;
}
.empty-state b {
  display: block;
  color: #fff;
  font-size: 18px;
  margin-bottom: 8px;
}

/* ═══════════════ BLOG: DETAIL ═══════════════ */
.read-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--grad);
  z-index: 120;
  transition: width 0.12s linear;
}
.post-head {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
  position: relative;
  z-index: 2;
}
.post-head h1 {
  font-size: clamp(27px, 4.2vw, 44px);
  line-height: 1.28;
  margin: 18px 0 18px;
}
.post-head .lead {
  font-size: clamp(15.5px, 1.6vw, 18px);
  max-width: 660px;
  margin-inline: auto;
}
.post-byline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-3);
}
.post-byline .av {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--grad-btn);
  font-weight: 600;
  font-size: 15px;
  color: #fff;
}
.post-byline b {
  color: #fff;
  font-weight: 600;
  font-size: 14.6px;
}

.post-hero-cover {
  max-width: 960px;
  margin: 44px auto 0;
  aspect-ratio: 21/9;
  border-radius: 24px;
  overflow: hidden;
  display: grid;
  place-items: center;
  position: relative;
  border: 1px solid var(--border);
}
.post-hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-hero-cover > i {
  font-size: 64px;
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 10px 34px rgba(0, 0, 0, 0.3);
}

.post-layout {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 38px;
  max-width: 880px;
  margin-inline: auto;
}

/* ── শেয়ার ── */
.share-rail {
  position: sticky;
  top: 104px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.share-rail .lbl {
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  margin-bottom: 2px;
}
.share-btn {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex: none;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 16px;
  transition:
    transform 0.25s,
    background 0.25s,
    color 0.25s,
    border-color 0.25s;
}
.share-btn:hover {
  transform: translateY(-3px);
  color: #fff;
  border-color: transparent;
}
.share-btn[data-share="facebook"]:hover {
  background: #1877f2;
}
.share-btn[data-share="whatsapp"]:hover {
  background: #25d366;
}
.share-btn[data-share="twitter"]:hover {
  background: #000;
}
.share-btn[data-share="linkedin"]:hover {
  background: #0a66c2;
}
.share-btn[data-share="telegram"]:hover {
  background: #229ed9;
}
.share-btn.copy:hover,
.share-btn.native:hover {
  background: var(--grad-btn);
}

.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px 24px;
  margin-top: 44px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}
.share-bar b {
  font-size: 15px;
  margin-inline-end: auto;
}
.share-bar .share-btn {
  width: 44px;
  height: 44px;
}

/* ── লেখার টাইপোগ্রাফি ── */
.post-body {
  font-size: 17px;
  line-height: 1.95;
  color: var(--text-2);
}
.post-body > *:first-child {
  margin-top: 0;
}
.post-body p {
  margin: 0 0 24px;
}
.post-body h2 {
  font-size: clamp(21px, 2.5vw, 27px);
  color: #fff;
  margin: 44px 0 16px;
  scroll-margin-top: 96px;
}
.post-body h3 {
  font-size: clamp(18px, 2vw, 21px);
  color: #fff;
  margin: 36px 0 14px;
}
.post-body ul,
.post-body ol {
  margin: 0 0 24px;
  padding-inline-start: 22px;
  display: grid;
  gap: 11px;
}
.post-body li {
  line-height: 1.85;
}
.post-body li::marker {
  color: #a78bfa;
}
.post-body b,
.post-body strong {
  color: #fff;
  font-weight: 600;
}
.post-body a {
  color: #c4b5fd;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.post-body a:hover {
  color: #fff;
}
.post-body img {
  border-radius: var(--radius);
  margin: 12px 0 26px;
  border: 1px solid var(--border);
}
.post-body code {
  font-family: "Space Grotesk", ui-monospace, monospace;
  font-size: 14.5px;
  padding: 3px 8px;
  border-radius: 7px;
  background: rgba(139, 92, 246, 0.14);
  border: 1px solid rgba(139, 92, 246, 0.26);
  color: #c4b5fd;
}
.post-body pre {
  background: #0e0e13;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  overflow-x: auto;
  margin: 0 0 26px;
  font-size: 14.5px;
  line-height: 1.7;
}
.post-body pre code {
  background: none;
  border: 0;
  padding: 0;
  color: #e9d5ff;
}
.post-body blockquote {
  margin: 0 0 26px;
  padding: 22px 26px;
  border-radius: var(--radius);
  background: linear-gradient(
    180deg,
    rgba(139, 92, 246, 0.1),
    rgba(236, 72, 153, 0.05)
  );
  border: 1px solid rgba(139, 92, 246, 0.26);
  border-inline-start: 3px solid #8b5cf6;
  color: #fff;
  font-size: 16.5px;
  line-height: 1.85;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}
.post-tags .chip {
  font-size: 13.5px;
  padding: 8px 15px;
}

/* ── লেখক বক্স ── */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 28px;
  border-radius: var(--radius);
  margin-top: 30px;
  background: var(--surface);
  border: 1px solid var(--border);
}
.author-box .av {
  width: 62px;
  height: 62px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  flex: none;
  background: var(--grad-btn);
  font-size: 24px;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
}
.author-box b {
  display: block;
  font-size: 17px;
  margin-bottom: 4px;
}
.author-box small {
  display: block;
  font-size: 13.5px;
  color: var(--text-3);
  margin-bottom: 10px;
}
.author-box p {
  font-size: 14.8px;
  line-height: 1.75;
}

/* ── আগের / পরের ── */
.pn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 40px;
}
.pn-item {
  padding: 22px 24px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition:
    border-color 0.25s,
    transform 0.25s,
    background 0.25s;
}
.pn-item small {
  display: block;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 8px;
}
.pn-item b {
  font-size: 15.5px;
  line-height: 1.5;
  display: block;
}
.pn-item:hover {
  border-color: rgba(139, 92, 246, 0.45);
  transform: translateY(-3px);
  background: var(--surface-2);
}
.pn-item.empty {
  background: none;
  border: 1px dashed var(--border);
  pointer-events: none;
}
.pn-item:last-child {
  text-align: left;
}

/* ── টোস্ট ── */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translate(-50%, 24px);
  z-index: 200;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  background: rgba(26, 26, 34, 0.96);
  border: 1px solid rgba(139, 92, 246, 0.5);
  color: #fff;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.28s,
    transform 0.28s;
}
.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ── 404 ── */
.post-404 {
  text-align: center;
  max-width: 560px;
  margin-inline: auto;
  padding: 70px 20px;
}
.post-404 i {
  font-size: 42px;
  color: #a78bfa;
  margin-bottom: 20px;
  display: block;
}
.post-404 h2 {
  font-size: 26px;
  margin-bottom: 12px;
}
.post-404 p {
  margin-bottom: 26px;
}

/* ── ব্লগ রেসপনসিভ ── */
@media (max-width: 1080px) {
  .menu {
    gap: 20px;
  }
}
@media (max-width: 1000px) {
  .post-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-post {
    grid-template-columns: 1fr;
  }
  .post-cover.lg {
    aspect-ratio: 16/9;
    min-height: auto;
  }
  .post-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .share-rail {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-bottom: 26px;
    margin-bottom: 26px;
    border-bottom: 1px solid var(--border);
  }
  .share-rail .lbl {
    margin: 0 6px 0 0;
  }
}
@media (max-width: 820px) {
  .blog-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    max-width: none;
  }
  .post-grid {
    grid-template-columns: 1fr;
  }
  .pn-grid {
    grid-template-columns: 1fr;
  }
  .pn-item:last-child {
    text-align: right;
  }
  .post-hero-cover {
    aspect-ratio: 16/9;
  }
}