:root {
  --ink: #ecf2ff;
  --muted: #9fb1d9;
  --panel: rgba(11, 18, 43, 0.88);
  --panel-soft: rgba(18, 28, 62, 0.72);
  --line: rgba(133, 174, 255, 0.16);
  --blue: #4c82ff;
  --cyan: #39d0ff;
  --green: #25c979;
  --gold: #f3bd3e;
  --glow: 0 20px 60px rgba(26, 84, 255, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Outfit", sans-serif;
  color: var(--ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(circle at top left, rgba(73, 118, 255, 0.3), transparent 24%),
    radial-gradient(circle at bottom right, rgba(57, 208, 255, 0.24), transparent 24%),
    linear-gradient(135deg, #040816 0%, #09122c 46%, #08111f 100%);
}

.poster-shell {
  width: min(1180px, calc(100% - 18px));
  margin: 10px auto;
}

.poster-card {
  position: relative;
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: 1000px;
  padding: 22px;
  border-radius: 34px;
  border: 1px solid var(--line);
  background:
    linear-gradient(165deg, rgba(10, 16, 36, 0.98), rgba(8, 18, 48, 0.92));
  box-shadow: var(--glow);
}


.poster-decor {
  position: absolute;
  border-radius: 50%;
  filter: blur(12px);
  pointer-events: none;
}

.poster-decor-a {
  width: 280px;
  height: 280px;
  top: -100px;
  right: -80px;
  background: radial-gradient(circle, rgba(76, 130, 255, 0.28), transparent 64%);
}

.poster-decor-b {
  width: 220px;
  height: 220px;
  left: -90px;
  bottom: -60px;
  background: radial-gradient(circle, rgba(57, 208, 255, 0.2), transparent 64%);
}

.poster-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 22px;
}

.top-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.admission-pop {
  position: relative;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 66px;
  height: 66px;
  object-fit: cover;
  border-radius: 20px;
  border: 2px solid rgba(121, 171, 255, 0.4);
  box-shadow: 0 12px 34px rgba(57, 208, 255, 0.18);
  background: #0c1739;
}

.brand-text {
  display: grid;
  gap: 4px;
}

.brand-text strong,
h1,
.poster-points .point-copy strong,
.visual-note strong,
.contact-strip strong {
  font-family: "Chakra Petch", sans-serif;
}

.brand-text strong {
  font-size: 1.34rem;
  line-height: 1;
  letter-spacing: 0.01em;
}

.brand-text span,
.lead,
.poster-points span,
.visual-note span,
.contact-strip span,
.eyebrow {
  color: var(--muted);
}

.brand-text span {
  font-size: 1rem;
  font-weight: 700;
}

.poster-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 0 14px 30px rgba(57, 122, 255, 0.28);
  border: 0;
  cursor: pointer;
  animation: pulse-badge 2.2s ease-in-out infinite;
  text-decoration: none;
}

.badge-icon {
  width: 16px;
  height: 16px;
  display: inline-flex;
}

.badge-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.admission-card {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  min-width: 250px;
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(114, 179, 255, 0.24);
  background: rgba(11, 22, 54, 0.96);
  color: #dce9ff;
  box-shadow: 0 18px 40px rgba(10, 20, 47, 0.34);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 10;
}

.admission-card strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1rem;
}

.admission-card span {
  color: #b5c9f4;
  font-size: 0.92rem;
  line-height: 1.45;
}

.admission-pop:hover .admission-card,
.admission-pop:focus-within .admission-card {
  opacity: 1;
  transform: translateY(0);
}

.results-pill {
  display: inline-flex;
  align-items: center;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid rgba(95, 220, 172, 0.22);
  background: rgba(25, 201, 121, 0.14);
  color: #bdf8d7;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.poster-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 22px;
}

.poster-copy,
.poster-visual {
  display: grid;
  align-content: start;
  gap: 16px;
}

.eyebrow {
  margin: 0;
  min-height: 1.2em;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  font-weight: 800;
  white-space: nowrap;
  overflow: hidden;
  color: #9fb8f6;
}

.eyebrow-marquee {
  position: relative;
}

.eyebrow-track {
  display: inline-block;
  padding-left: 100%;
  will-change: transform;
  animation: eyebrow-marquee 14s linear infinite;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 5.6vw, 5.4rem);
  line-height: 0.92;
  max-width: 11ch;
  letter-spacing: -0.03em;
  text-shadow: 0 0 24px rgba(90, 152, 255, 0.16);
}

.lead {
  margin: 0;
  max-width: 52ch;
  font-size: 1.05rem;
  line-height: 1.65;
}

.poster-inline-note,
.visual-note,
.contact-strip,
.poster-points > div {
  border: 1px solid var(--line);
  background: var(--panel-soft);
  border-radius: 22px;
}

.poster-inline-note {
  width: fit-content;
  padding: 12px 16px;
  font-weight: 700;
  color: #c4d6ff;
  box-shadow: inset 0 0 0 1px rgba(95, 146, 255, 0.05);
}

.exam-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.exam-grid > * {
  padding: 15px 10px;
  border-radius: 18px;
  color: white;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.exam-grid > :nth-child(1) { background: linear-gradient(135deg, #345ec9, #578cff); }
.exam-grid > :nth-child(2) { background: linear-gradient(135deg, #d0661a, #f3a330); }
.exam-grid > :nth-child(3) { background: linear-gradient(135deg, #7a8091, #aeb4c2); }
.exam-grid > :nth-child(4) { background: linear-gradient(135deg, #b88d10, #f1cb44); }
.exam-grid > :nth-child(5) { background: linear-gradient(135deg, #399b4f, #74d382); }
.exam-grid > :nth-child(6) { background: linear-gradient(135deg, #8a95a7, #c7cfde); }

.exam-grid .exam-chip {
  appearance: none;
  display: block;
  width: 100%;
  border: 0;
  margin: 0;
  cursor: pointer;
  font: inherit;
  line-height: inherit;
  color: inherit;
  animation: cbse-chip-pulse 2.8s ease-in-out 2;
}

.exam-grid .exam-chip.is-active {
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.24), 0 12px 24px rgba(39, 101, 255, 0.22);
}

.exam-helper {
  margin: -2px 0 0;
  color: #b8caf0;
  font-size: 0.92rem;
  line-height: 1.5;
}

.exam-helper strong {
  color: #ffffff;
  font-family: "Chakra Petch", sans-serif;
}

.syllabus-explorer {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 24px;
  border: 1px solid rgba(114, 154, 236, 0.18);
  background:
    linear-gradient(180deg, rgba(18, 29, 66, 0.92), rgba(10, 18, 44, 0.92));
  box-shadow: inset 0 1px 0 rgba(170, 201, 255, 0.06);
}

.syllabus-explorer[hidden] {
  display: none;
}

.syllabus-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.syllabus-kicker {
  margin: 0 0 6px;
  color: #87b8ff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.syllabus-head h2 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.18rem;
  line-height: 1.15;
}

.syllabus-source,
.syllabus-pdf {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(115, 159, 255, 0.2);
  background: rgba(64, 111, 228, 0.14);
  color: #dbe8ff;
  text-decoration: none;
  font-weight: 700;
  white-space: nowrap;
}

.class-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.class-tab {
  appearance: none;
  border: 1px solid rgba(115, 159, 255, 0.18);
  background: rgba(19, 34, 78, 0.82);
  color: #cfe0ff;
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.class-tab.is-active,
.class-tab:hover,
.class-tab:focus-visible {
  background: linear-gradient(135deg, rgba(76, 130, 255, 0.9), rgba(57, 208, 255, 0.78));
  border-color: transparent;
  color: white;
}

.syllabus-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 22px;
  border: 1px solid rgba(114, 154, 236, 0.16);
  background: rgba(13, 24, 58, 0.8);
}

.syllabus-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.syllabus-meta span {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(76, 130, 255, 0.12);
  color: #cae0ff;
  font-size: 0.82rem;
  font-weight: 700;
}

.syllabus-summary {
  display: grid;
  gap: 6px;
}

.syllabus-summary strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.08rem;
}

.syllabus-summary p {
  margin: 0;
  color: #b5c8ee;
  line-height: 1.55;
}

.syllabus-table-wrap {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(118, 157, 235, 0.16);
  background: rgba(18, 31, 72, 0.72);
}

.syllabus-table-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
}

.syllabus-table-head strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1rem;
}

.syllabus-table-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  color: #c8dbff;
  font-size: 0.9rem;
  font-weight: 700;
}

.syllabus-table-scroll {
  overflow-x: auto;
}

.syllabus-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 16px;
}

.syllabus-table th,
.syllabus-table td {
  padding: 12px 14px;
  border: 1px solid rgba(128, 162, 230, 0.18);
}

.syllabus-table th {
  background: rgba(127, 167, 235, 0.2);
  color: #f1f6ff;
  font-family: "Chakra Petch", sans-serif;
  text-align: left;
}

.syllabus-table td {
  background: rgba(10, 19, 46, 0.78);
  color: #dbe7ff;
}

.syllabus-table th:first-child,
.syllabus-table td:first-child,
.syllabus-table th:last-child,
.syllabus-table td:last-child {
  width: 92px;
  text-align: center;
}

.syllabus-total-row td {
  font-weight: 800;
  color: #ffffff;
}

.syllabus-total-row td:nth-child(2) {
  text-align: center;
}

.syllabus-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.syllabus-list li {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(118, 157, 235, 0.16);
  background: rgba(26, 42, 92, 0.72);
  color: #e4eeff;
  line-height: 1.45;
}

.syllabus-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: #a9bfeb;
  font-size: 0.92rem;
}

.poster-points {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.poster-points > div {
  flex: 1 1 220px;
  min-height: 84px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  border-radius: 20px;
  background: rgba(28, 48, 102, 0.82);
  box-shadow: inset 0 0 0 1px rgba(117, 153, 227, 0.14);
}

.point-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(108, 144, 226, 0.12);
  border: 1px solid rgba(122, 159, 238, 0.16);
  color: #d8e3ff;
}

.point-icon svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.point-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 1px 0 0;
}

.poster-points .point-copy strong,
.visual-note strong,
.contact-strip strong {
  display: block;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  line-height: 1.08;
  margin: 0;
}

.poster-points .point-copy span {
  display: block;
  line-height: 1.35;
  font-size: 0.9rem;
  margin: 0;
}

.float-btn:hover,
.float-btn:focus-visible,
.poster-badge:hover,
.poster-badge:focus-visible {
  transform: translateY(-2px);
}

.contact-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
}

.physics-stage {
  position: relative;
  min-height: 470px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, rgba(67, 120, 255, 0.24), transparent 32%),
    linear-gradient(180deg, rgba(12, 22, 58, 0.96), rgba(7, 13, 28, 0.96));
  overflow: hidden;
  box-shadow: inset 0 0 40px rgba(64, 119, 255, 0.18);
}

.physics-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 156, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 156, 255, 0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.45;
  pointer-events: none;
}

.concept-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 22px;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 360ms ease;
}

.concept-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.scene-badge {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(122, 163, 255, 0.18);
  background: rgba(13, 23, 52, 0.7);
  color: #d8e7ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scene-copy {
  position: relative;
  z-index: 2;
  align-self: end;
  display: grid;
  gap: 6px;
  max-width: 280px;
  padding: 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(120, 160, 241, 0.18);
  background: rgba(10, 18, 43, 0.7);
  backdrop-filter: blur(10px);
}

.scene-copy strong {
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.22rem;
  line-height: 1.02;
}

.scene-copy em {
  color: #c0d4fb;
  font-style: normal;
  line-height: 1.5;
}

.scene-visual {
  position: relative;
  min-height: 220px;
}


.scene-motion-art .motion-ring {
  position: absolute;
  inset: 22% 12%;
  border-radius: 50%;
  border: 2px solid rgba(222, 234, 255, 0.62);
}

.scene-motion-art .motion-ring-b {
  transform: rotate(64deg);
}

.scene-motion-art .motion-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 86px;
  height: 86px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(82, 178, 255, 0.98), rgba(34, 76, 190, 0.18));
  box-shadow: 0 0 36px rgba(57, 208, 255, 0.28);
}

.scene-motion-art .motion-vector {
  position: absolute;
  width: 108px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(129, 205, 255, 0.95));
}

.scene-motion-art .motion-vector::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -4px;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 10px solid rgba(129, 205, 255, 0.95);
}

.motion-vector-a {
  left: 17%;
  top: 34%;
  transform: rotate(-12deg);
}

.motion-vector-b {
  right: 16%;
  bottom: 29%;
  transform: rotate(168deg);
}

.scene-wave-art .wave-line {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 26px;
  border-top: 3px solid rgba(131, 199, 255, 0.78);
  border-radius: 50% 50% 0 0;
}

.wave-line-a { top: 26%; }
.wave-line-b { top: 42%; transform: scaleX(0.92); }
.wave-line-c { top: 58%; transform: scaleX(0.84); }

.scene-wave-art .wave-pulse {
  position: absolute;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  border: 1px solid rgba(74, 192, 255, 0.34);
  box-shadow: 0 0 26px rgba(57, 208, 255, 0.16);
}

.wave-pulse-a { left: 16%; top: 18%; }
.wave-pulse-b { right: 18%; bottom: 24%; }

.scene-optics-art .prism-shape {
  position: absolute;
  left: 50%;
  top: 30%;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 70px solid transparent;
  border-right: 70px solid transparent;
  border-bottom: 122px solid rgba(188, 220, 255, 0.18);
  filter: drop-shadow(0 0 22px rgba(88, 198, 255, 0.18));
}

.scene-optics-art .ray {
  position: absolute;
  height: 3px;
  border-radius: 999px;
  transform-origin: left center;
}

.ray-a {
  left: 8%;
  top: 48%;
  width: 30%;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.95));
}

.ray-b {
  left: 51%;
  top: 45%;
  width: 25%;
  transform: rotate(-18deg);
  background: linear-gradient(90deg, #57d2ff, #8cffd8);
}

.ray-c {
  left: 51%;
  top: 53%;
  width: 28%;
  transform: rotate(18deg);
  background: linear-gradient(90deg, #6b86ff, #ff76ad);
}

.scene-optics-art .focus-dot {
  position: absolute;
  right: 16%;
  top: 49%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff3b7;
  box-shadow: 0 0 18px rgba(255, 245, 167, 0.86);
}

.visual-note,
.social-card {
  padding: 16px 18px;
}

.visual-note {
  background:
    linear-gradient(135deg, rgba(243, 189, 62, 0.2), rgba(255, 122, 61, 0.16)),
    rgba(18, 28, 62, 0.72);
  border-color: rgba(255, 184, 96, 0.28);
  box-shadow: 0 14px 30px rgba(243, 189, 62, 0.12);
}

.visual-note span {
  color: #ffd799;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
}

.visual-note strong {
  font-size: 1.18rem;
}

.visual-note em {
  display: block;
  margin-top: 6px;
  color: #fff1d1;
  font-style: normal;
  font-weight: 700;
}

.admission-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
}

.admission-modal[hidden] {
  display: none;
}

.admission-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 9, 24, 0.68);
  backdrop-filter: blur(8px);
}

.admission-modal__dialog {
  position: relative;
  width: min(460px, calc(100% - 28px));
  margin: min(12vh, 72px) auto 0;
  display: grid;
  gap: 14px;
  padding: 22px;
  border-radius: 26px;
  border: 1px solid rgba(124, 164, 243, 0.22);
  background:
    linear-gradient(180deg, rgba(15, 27, 63, 0.98), rgba(9, 17, 42, 0.96));
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34);
}

.admission-modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(122, 159, 238, 0.18);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  color: #dce9ff;
  cursor: pointer;
}

.admission-modal__close svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.admission-modal__pill {
  display: inline-flex;
  justify-self: start;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(37, 201, 121, 0.14);
  border: 1px solid rgba(95, 220, 172, 0.2);
  color: #bff9d8;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.admission-modal__title {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: 1.7rem;
  line-height: 1.02;
}

.admission-modal__text {
  margin: 0;
  color: #c4d4f6;
  line-height: 1.6;
}

.admission-modal__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.admission-modal__cta,
.admission-modal__secondary {
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
}

.admission-modal__cta {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
}

.admission-modal__secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #dce9ff;
  border: 1px solid rgba(122, 159, 238, 0.18);
}

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 104px;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(130, 171, 255, 0.22);
  border-radius: 50%;
  background: rgba(8, 16, 39, 0.84);
  color: #ebf2ff;
  box-shadow: 0 14px 28px rgba(7, 12, 28, 0.32);
  backdrop-filter: blur(10px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
  z-index: 31;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.trust-band {
  margin-top: 26px;
  display: grid;
  gap: 18px;
}

.trust-band__intro {
  display: grid;
  gap: 8px;
  max-width: 720px;
}

.trust-band__kicker {
  margin: 0;
  color: #87b8ff;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.trust-band__intro h2,
.map-card__head h3,
.bottom-cta h3 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(1.45rem, 2.2vw, 2rem);
  line-height: 1.06;
}

.trust-band__intro p:last-child,
.bottom-cta p,
.map-card__head p:last-child {
  margin: 0;
  color: #b7caef;
  line-height: 1.6;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.testimonial-card,
.map-card,
.bottom-cta {
  border: 1px solid rgba(118, 157, 235, 0.16);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(16, 28, 66, 0.92), rgba(9, 18, 43, 0.94));
  box-shadow: inset 0 1px 0 rgba(170, 201, 255, 0.05);
}

.testimonial-card {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.testimonial-card__tag {
  display: inline-flex;
  justify-self: start;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(76, 130, 255, 0.12);
  color: #d6e5ff;
  font-size: 0.78rem;
  font-weight: 800;
}

.testimonial-card p {
  margin: 0;
  color: #edf3ff;
  line-height: 1.65;
}

.testimonial-card strong {
  font-family: "Chakra Petch", sans-serif;
  color: #9fd1ff;
  font-size: 0.98rem;
}

.result-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.result-list li {
  padding-left: 18px;
  position: relative;
  color: #e5eeff;
  line-height: 1.5;
}

.result-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, #59d4ff, #77ffbb);
}

.location-cta-grid {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 16px;
}

.map-card,
.bottom-cta {
  padding: 18px;
}

.map-card {
  display: grid;
  gap: 14px;
}

.map-card__head {
  display: grid;
  gap: 6px;
}

.map-frame-wrap {
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(120, 160, 241, 0.16);
}

.map-frame {
  width: 100%;
  height: 320px;
  border: 0;
  display: block;
  background: #0a1330;
}

.map-card__link,
.bottom-cta__primary,
.bottom-cta__secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
}

.map-card__link,
.bottom-cta__secondary {
  border: 1px solid rgba(122, 159, 238, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: #dce9ff;
}

.bottom-cta {
  display: grid;
  align-content: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(40, 75, 180, 0.95), rgba(10, 29, 86, 0.96));
}

.bottom-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.bottom-cta__primary {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  color: white;
}

.bottom-cta__secondary {
  color: #eef4ff;
}

.floating-actions {
  position: fixed;
  right: 18px;
  bottom: 18px;
  display: grid;
  gap: 12px;
  z-index: 30;
}

.float-btn {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 16px 34px rgba(7, 12, 28, 0.42);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.float-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.float-btn.call {
  background: linear-gradient(135deg, var(--blue), #6a87ff);
  color: white;
}

.float-btn.whatsapp {
  background: linear-gradient(135deg, #0d6f48, var(--green));
  color: white;
}

.float-btn.map {
  background: linear-gradient(135deg, #8d6510, var(--gold));
  color: #1f1500;
}

.float-btn.instagram {
  background: linear-gradient(135deg, #7e37ff, #ff4f87, #ff9b45);
  color: white;
}

@keyframes pulse-badge {
  0%, 100% {
    box-shadow: 0 14px 30px rgba(57, 122, 255, 0.28);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 18px 42px rgba(57, 122, 255, 0.42);
    transform: scale(1.03);
  }
}

@keyframes cbse-chip-pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 0 0 rgba(87, 150, 255, 0);
  }
  40% {
    transform: scale(1.035);
    box-shadow: 0 10px 28px rgba(57, 122, 255, 0.26);
  }
}

@keyframes eyebrow-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-100%); }
}

@keyframes spin-a {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes spin-b {
  from { transform: translate(-50%, -50%) rotate(60deg); }
  to { transform: translate(-50%, -50%) rotate(420deg); }
}

@keyframes spin-c {
  from { transform: translate(-50%, -50%) rotate(-60deg); }
  to { transform: translate(-50%, -50%) rotate(300deg); }
}

@media (max-width: 980px) {
  .poster-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 100%;
  }
}

@media (max-width: 720px) {
  body {
    padding-bottom: 96px;
  }

  .poster-shell {
    width: min(100% - 10px, 1180px);
    margin: 5px auto;
  }

  .poster-card {
    padding: 14px;
    border-radius: 22px;
  }

  .poster-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    margin-bottom: 16px;
  }

  .brand-lockup {
    align-items: flex-start;
    gap: 12px;
  }

  .brand-text strong {
    font-size: 1.18rem;
  }

  .brand-text span {
    font-size: 0.94rem;
  }

  .top-badges {
    width: 100%;
    justify-content: stretch;
  }

  .results-pill,
  .admission-pop,
  .poster-badge {
    width: 100%;
  }

  .poster-badge,
  .results-pill {
    justify-content: center;
    text-align: center;
  }

  .results-pill {
    padding: 10px 14px;
    font-size: 0.85rem;
    line-height: 1.35;
  }

  .poster-badge {
    padding: 13px 16px;
    font-size: 0.92rem;
    letter-spacing: 0.04em;
  }

  .admission-card {
    left: 50%;
    right: auto;
    transform: translate(-50%, -6px);
    min-width: min(280px, calc(100vw - 48px));
  }

  .admission-pop:hover .admission-card,
  .admission-pop:focus-within .admission-card {
    transform: translate(-50%, 0);
  }

  h1 {
    font-size: clamp(2.05rem, 11vw, 3rem);
    line-height: 0.96;
    letter-spacing: -0.02em;
  }

  .eyebrow {
    font-size: 0.69rem;
    letter-spacing: 0.05em;
    line-height: 1.2;
  }

  .lead {
    font-size: 1rem;
    line-height: 1.55;
  }

  .poster-inline-note {
    width: 100%;
    padding: 12px 14px;
    line-height: 1.45;
  }

  .exam-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .exam-grid span {
    padding: 13px 8px;
    font-size: 0.92rem;
  }

  .exam-helper {
    font-size: 0.84rem;
  }

  .syllabus-explorer {
    padding: 14px;
    border-radius: 20px;
  }

  .syllabus-head,
  .syllabus-footer {
    grid-template-columns: 1fr;
    display: grid;
  }

  .syllabus-source,
  .syllabus-pdf,
  .class-tab {
    width: 100%;
    text-align: center;
  }

  .class-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .syllabus-head h2 {
    font-size: 1.02rem;
  }

  .syllabus-panel {
    padding: 14px;
    border-radius: 18px;
  }

  .syllabus-table-wrap {
    padding: 12px;
    border-radius: 16px;
  }

  .syllabus-table-head {
    display: grid;
    gap: 8px;
  }

  .syllabus-table-meta {
    display: grid;
    gap: 4px;
    font-size: 0.84rem;
  }

  .syllabus-table {
    min-width: 430px;
  }

  .syllabus-table th,
  .syllabus-table td {
    padding: 10px 12px;
    font-size: 0.88rem;
  }

  .syllabus-list li {
    padding: 11px 12px;
    border-radius: 14px;
    font-size: 0.92rem;
  }

  .syllabus-footer {
    font-size: 0.88rem;
  }

  .poster-points,
  .contact-strip {
    display: grid;
    grid-template-columns: 1fr;
  }

  .contact-strip {
    gap: 10px;
    padding: 14px;
  }

  .poster-points > div {
    min-height: auto;
    padding: 13px 14px;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    border-radius: 18px;
  }

  .point-icon {
    width: 26px;
    height: 26px;
  }

  .point-copy {
    gap: 4px;
    padding: 1px 0 0;
  }

  .poster-points .point-copy strong {
    font-size: 0.96rem;
    line-height: 1.16;
  }

  .poster-points .point-copy span {
    font-size: 0.87rem;
    line-height: 1.4;
  }

  .testimonial-grid,
  .location-cta-grid {
    grid-template-columns: 1fr;
  }

  .trust-band {
    margin-top: 20px;
    gap: 14px;
  }

  .testimonial-card,
  .map-card,
  .bottom-cta {
    padding: 16px;
    border-radius: 20px;
  }

  .map-frame {
    height: 260px;
  }

  .bottom-cta__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .bottom-cta__primary,
  .bottom-cta__secondary,
  .map-card__link {
    width: 100%;
    text-align: center;
  }

  .physics-stage {
    min-height: 340px;
  }

  .concept-slide {
    padding: 16px;
    gap: 12px;
  }

  .scene-visual {
    min-height: 170px;
  }

  .scene-copy {
    max-width: 100%;
    padding: 12px 14px;
    border-radius: 16px;
  }

  .scene-copy strong {
    font-size: 1rem;
  }

  .scene-copy em {
    font-size: 0.88rem;
    line-height: 1.4;
  }

  .scene-motion-art .motion-core {
    width: 68px;
    height: 68px;
  }

  .scene-motion-art .motion-vector {
    width: 74px;
  }

  .scene-optics-art .prism-shape {
    border-left-width: 52px;
    border-right-width: 52px;
    border-bottom-width: 92px;
  }

  .admission-modal__dialog {
    width: min(100% - 18px, 460px);
    margin-top: 22px;
    padding: 18px;
    border-radius: 22px;
  }

  .admission-modal__title {
    font-size: 1.38rem;
  }

  .admission-modal__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .admission-modal__cta,
  .admission-modal__secondary {
    width: 100%;
    text-align: center;
  }

  .back-to-top {
    right: 14px;
    bottom: 78px;
    width: 46px;
    height: 46px;
  }

  .floating-actions {
    right: 50%;
    bottom: 10px;
    grid-auto-flow: column;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(133, 174, 255, 0.22);
    background: rgba(8, 16, 39, 0.78);
    backdrop-filter: blur(12px);
    transform: translateX(50%);
  }

  .float-btn {
    width: 48px;
    height: 48px;
  }

  .float-btn svg {
    width: 21px;
    height: 21px;
  }
}