/* Page layouts. Component styles live in components.css. */
[hidden] { display: none !important; }
.logo { white-space: nowrap; }
a { color: var(--brand); }
h1, h2, h3 { margin: 0; }
.h1 { font-size: 28px; line-height: 34px; font-weight: 700; letter-spacing: -0.01em; }
.h2 { font-size: 20px; line-height: 28px; font-weight: 700; }
.muted { color: var(--ink-muted); }
.small { font-size: 13px; line-height: 18px; }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: var(--space-6); padding: 0 var(--space-6); height: 60px; background: var(--surface-200); border-bottom: 1px solid var(--line); }
.logo { display: flex; align-items: center; gap: var(--space-2); font-weight: 800; font-size: 17px; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.logo-mark { display: grid; grid-template-columns: repeat(2, 9px); gap: 3px; }
.logo-mark i { width: 9px; height: 9px; border-radius: 2px; background: var(--brand); }
.logo-mark i:nth-child(2) { background: var(--status-review); border-radius: 50%; }
.logo-mark i:nth-child(3) { background: var(--accent); }
.logo-exam { margin-left: -4px; font: inherit; letter-spacing: inherit; color: inherit; text-transform: uppercase; } /* "EXAM" set exactly like "NEET CBT" */
.nav { display: flex; gap: var(--space-1); flex: 1; }
.nav a { white-space: nowrap; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--ink-muted); text-decoration: none; font-weight: 600; font-size: 14px; }
.nav a:hover, .nav a.active { color: var(--ink); background: var(--surface-300); }
.topbar-right { display: flex; align-items: center; gap: var(--space-3); }
.icon-btn { width: 36px; height: 36px; border-radius: var(--radius-sm); border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; font-size: 16px; }

.container { max-width: 1180px; margin: 0 auto; padding: var(--space-8) var(--space-6); }
.page-head { display: flex; align-items: end; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-6); flex-wrap: wrap; }
.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-side { grid-template-columns: 360px minmax(0, 1fr); align-items: start; }
.stack { display: grid; gap: var(--space-4); }
.row { display: flex; gap: var(--space-3); align-items: center; flex-wrap: wrap; }
.row-between { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }

.flash { padding: 12px 16px; border-radius: var(--radius-md); margin-bottom: var(--space-4); font-weight: 600; font-size: 14px; }
.flash-ok { background: var(--success-tint); color: var(--status-answered); }
.flash-error { background: var(--danger-tint); color: var(--danger); }

/* test cards */
.test-card { display: grid; gap: var(--space-3); }
.test-card .h2 { font-size: 18px; }
.test-meta { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* auth */
.auth { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-art { background: var(--ink); color: var(--surface-100); padding: 56px; display: flex; flex-direction: column; justify-content: space-between; position: relative; overflow: hidden; }
.auth-art .display { font-size: 44px; line-height: 48px; font-weight: 800; letter-spacing: -0.02em; max-width: 460px; }
.auth-art p { color: color-mix(in srgb, var(--surface-100) 75%, transparent); max-width: 420px; }
.auth-tiles { position: absolute; right: -20px; top: 60px; display: grid; grid-template-columns: repeat(5, 44px); gap: 10px; opacity: .95; }
.auth-tiles i { height: 44px; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--surface-100) 12%, transparent); }
.auth-tiles i.a { background: var(--status-answered); }
.auth-tiles i.r { background: var(--status-review); border-radius: 50%; }
.auth-tiles i.u { background: transparent; border: 2px solid var(--status-unanswered); }
.auth-tiles i.b { background: var(--brand); }
.auth-form { display: grid; place-items: center; padding: var(--space-8); }
.auth-form form { width: 100%; max-width: 380px; }

/* exam */
.exam-body { height: 100vh; display: grid; grid-template-rows: auto 1fr; overflow: hidden; }
.exam-main { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--space-6); padding: var(--space-6); overflow: hidden; }
.exam-q { overflow-y: auto; padding-right: 4px; }
.exam-side { display: flex; flex-direction: column; gap: var(--space-4); overflow-y: auto; }
.candidate { display: flex; align-items: center; gap: var(--space-3); }
.avatar { width: 40px; height: 40px; border-radius: var(--radius-sm); background: var(--brand-tint); color: var(--brand-strong); display: grid; place-items: center; font-weight: 800; }
.option-figure { display: block; max-width: 100%; max-height: 140px; margin-top: 4px; background: #fff; border-radius: var(--radius-sm); }
.snapshot { max-width: 100%; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; display: block; margin-bottom: var(--space-3); }
.view-toggle { font-size: 13px; }
.palette-toggle { display: none; }
dialog { border: 0; border-radius: var(--radius-lg); padding: var(--space-6); background: var(--surface-200); color: var(--ink); box-shadow: var(--shadow-card); max-width: 440px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(5, 20, 15, .55); }
.kbd { font: 600 11px/1 var(--font-mono); padding: 3px 6px; border: 1px solid var(--line-strong); border-radius: 4px; }

/* result */
.score-hero { display: flex; align-items: center; gap: var(--space-8); flex-wrap: wrap; }
.score-big { font-size: 56px; line-height: 60px; font-weight: 800; letter-spacing: -0.03em; }
.bar { display: flex; height: 10px; border-radius: var(--radius-pill); overflow: hidden; background: var(--surface-300); }
.bar i { display: block; height: 100%; }
.bar .c { background: var(--status-answered); } .bar .w { background: var(--danger); }
.review-q { border-top: 1px solid var(--line); padding-top: var(--space-6); }
.explain { background: var(--surface-300); border-radius: var(--radius-md); padding: var(--space-4); font-size: 14px; }

/* admin */
.stat-card { padding: var(--space-4) var(--space-6); }
.thumb { max-height: 46px; border-radius: 4px; border: 1px solid var(--line); }
.stem-cell { max-width: 520px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
textarea.input { min-height: 90px; font-family: var(--font-sans); }
.edit-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.pager { display: flex; gap: var(--space-2); margin-top: var(--space-4); }

/* ---------------------------------------------------------------- shared polish */
.topbar { background: color-mix(in srgb, var(--surface-200) 86%, transparent); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); }
.btn { transition: background .15s, border-color .15s, transform .15s, box-shadow .15s; }
.btn-primary { box-shadow: 0 6px 16px -8px color-mix(in srgb, var(--brand) 80%, transparent); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -10px color-mix(in srgb, var(--brand) 90%, transparent); }
.btn-sm { padding: 6px 12px; }
.btn-lg { padding: 13px 22px; font-size: 15px; border-radius: 12px; }
.btn-light { background: #fff; color: #0a5047; }
.btn-light:hover { transform: translateY(-1px); }
.user-chip { display: inline-flex; align-items: center; gap: var(--space-2); padding: 4px 10px 4px 4px; border: 1px solid var(--line); border-radius: var(--radius-pill); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 14px; }
.user-chip:hover { border-color: var(--brand); }
.avatar-sm { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: var(--on-brand); font-weight: 800; font-size: 13px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--space-6); }
.eyebrow { display: inline-block; font: 600 12px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--brand); text-decoration: none; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--status-answered); box-shadow: 0 0 0 0 color-mix(in srgb, var(--status-answered) 60%, transparent); animation: pulse 1.8s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }

/* ---------------------------------------------------------------- homepage */
.band { padding: 88px 0; scroll-margin-top: 70px; }
.band-tint { background: color-mix(in srgb, var(--brand) 5%, var(--surface-100)); border-block: 1px solid var(--line); }
.section-head { margin-bottom: var(--space-8); max-width: 720px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.wide { max-width: none; }
.section-head .h1 { margin: var(--space-2) 0; font-size: 34px; line-height: 40px; letter-spacing: -0.02em; }
.center-row { display: flex; justify-content: center; }

.hero-band { position: relative; overflow: hidden; padding: 72px 0 88px;
  background: radial-gradient(900px 420px at 85% 10%, color-mix(in srgb, var(--brand) 16%, transparent), transparent 70%),
              radial-gradient(700px 360px at 0% 100%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%), var(--surface-100); }
.hero-band::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 65%); -webkit-mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 65%); }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.pill { display: inline-flex; align-items: center; gap: var(--space-2); padding: 6px 14px; border-radius: var(--radius-pill); background: var(--surface-200); border: 1px solid var(--line); font-size: 13px; font-weight: 600; box-shadow: var(--shadow-card); }
.display { font-size: 60px; line-height: 64px; font-weight: 800; letter-spacing: -0.035em; margin: var(--space-6) 0 var(--space-4); }
.display .hl { background: linear-gradient(100deg, var(--brand), color-mix(in srgb, var(--brand) 55%, var(--accent))); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 18px; line-height: 30px; color: var(--ink-muted); max-width: 560px; margin: 0 0 var(--space-8); }
.hero-points { list-style: none; padding: 0; margin: var(--space-8) 0 0; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-6); font-size: 14px; color: var(--ink-muted); }
.hero-points li::before { content: "✓ "; color: var(--status-answered); font-weight: 800; }

/* hero 3D scene: Rubik's cube, DNA helix, molecules, capsules */
.stage { position: relative; height: 520px; perspective: 1100px; }
.stage-inner { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .25s ease-out; }
.glow { position: absolute; border-radius: 50%; filter: blur(40px); opacity: .55; transform: translateZ(-120px); }
.glow.g1 { width: 340px; height: 340px; left: 18%; top: 12%; background: color-mix(in srgb, var(--brand) 45%, transparent); }
.glow.g2 { width: 220px; height: 220px; right: 2%; bottom: 8%; background: color-mix(in srgb, var(--accent) 35%, transparent); }

.helix { position: absolute; left: 2%; top: 40px; width: 150px; height: 330px; transform-style: preserve-3d; transform: translateZ(-40px) rotateZ(-14deg); }
.helix .rung { position: absolute; left: 0; right: 0; top: calc(var(--i) * 20px); height: 16px; transform-style: preserve-3d;
  animation: helix 9s linear infinite; animation-delay: calc(var(--i) * -0.375s); }
.helix i { position: absolute; top: 0; width: 16px; height: 16px; border-radius: 50%; }
.helix .b1 { left: 0; background: radial-gradient(circle at 34% 30%, #fff, var(--brand) 48%, color-mix(in srgb, var(--brand) 55%, #000)); }
.helix .b2 { right: 0; background: radial-gradient(circle at 34% 30%, #fff, var(--accent) 48%, color-mix(in srgb, var(--accent) 55%, #000)); }
.helix .bar { left: 16px; right: 16px; top: 6px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--brand), var(--status-review), var(--accent)); opacity: .55; }
@keyframes helix { to { transform: rotateY(360deg); } }

/* Rubik's cube: a quarter turn every 3 seconds, so each subject face comes round in turn */
.rubik-wrap { position: absolute; left: 32%; top: 20%; width: 42%; aspect-ratio: 1; transform: translateZ(40px); transform-style: preserve-3d; }
.rubik { --s: 100%; position: absolute; inset: 0; transform-style: preserve-3d; animation: rubik 12s cubic-bezier(.65, 0, .35, 1) infinite; }
.rface { position: absolute; inset: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4%; padding: 4%; border-radius: 9%;
  background: #15191b; box-shadow: inset 0 0 0 2px #0b0d0e; backface-visibility: hidden; }
.rf-front { transform: translateZ(calc(var(--half, 120px))); }
.rf-back { transform: rotateY(180deg) translateZ(var(--half, 120px)); }
.rf-right { transform: rotateY(90deg) translateZ(var(--half, 120px)); }
.rf-left { transform: rotateY(-90deg) translateZ(var(--half, 120px)); }
.rf-top { transform: rotateX(90deg) translateZ(var(--half, 120px)); }
.rf-bottom { transform: rotateX(-90deg) translateZ(var(--half, 120px)); }
.sticker { border-radius: 16%; position: relative; overflow: hidden;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .45), inset 0 -3px 6px rgba(0, 0, 0, .25); }
.sticker::after { content: ""; position: absolute; left: 12%; top: 10%; width: 45%; height: 30%; border-radius: 50%; background: rgba(255, 255, 255, .28); filter: blur(1px); }
.s-blue { background: linear-gradient(145deg, #4f8df5, #1d4fd0); } .s-orange { background: linear-gradient(145deg, #ffae5a, #f06a0f); }
.s-green { background: linear-gradient(145deg, #4fd27f, #13963f); } .s-red { background: linear-gradient(145deg, #ff6b6b, #c81e1e); }
.s-white { background: linear-gradient(145deg, #ffffff, #d9dee0); } .s-yellow { background: linear-gradient(145deg, #ffe66b, #f2c40c); }
.s-center { display: grid; place-content: center; justify-items: center; gap: 2px; color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, .35); }
.s-center span { font: 800 clamp(8px, 1vw, 12px)/1 var(--font-sans); letter-spacing: .02em; }
.s-white.s-center, .s-yellow.s-center { color: #1d2a27; text-shadow: none; }
.s-center .ico { width: 46%; height: auto; }
/* each sticker round the centre carries a picture from that face's subject */
.sticker { display: grid; place-items: center; color: #fff; }
.sticker > .ico { position: relative; z-index: 1; width: 58%; height: auto; filter: drop-shadow(0 1px 1px rgba(0, 0, 0, .35)); }
.s-white, .s-yellow { color: #1d2a27; }
.s-white > .ico, .s-yellow > .ico { filter: none; }
/* each turn takes the first ~0.8 s of its 3 s, then the cube holds still */
@keyframes rubik {
  0%, 18% { transform: rotateX(-24deg) rotateY(-32deg); }
  25%, 43% { transform: rotateX(-24deg) rotateY(-122deg); }
  50%, 68% { transform: rotateX(-24deg) rotateY(-212deg); }
  75%, 93% { transform: rotateX(-24deg) rotateY(-302deg); }
  100% { transform: rotateX(-24deg) rotateY(-392deg); }
}
.ball { position: absolute; border-radius: 50%; box-shadow: 0 14px 30px -12px rgba(10, 46, 40, .45); animation: float 7s ease-in-out infinite; }
.ball-1 { width: 54px; height: 54px; right: 6%; top: 34px; transform: translateZ(110px);
  background: radial-gradient(circle at 32% 28%, #fff, #8be0cf 35%, var(--brand) 75%); }
.ball-2 { width: 30px; height: 30px; left: 6%; bottom: 150px; transform: translateZ(140px); animation-delay: -2s;
  background: radial-gradient(circle at 32% 28%, #fff, #f7c49a 35%, var(--accent) 80%); }
.ball-3 { width: 20px; height: 20px; right: 30%; top: 4px; transform: translateZ(40px); animation-delay: -4s;
  background: radial-gradient(circle at 32% 28%, #fff, #c9b8ff 40%, var(--status-review) 85%); }
@keyframes float { 50% { translate: 0 -16px; } }

.capsule { position: absolute; width: 74px; height: 28px; border-radius: 14px; overflow: hidden; display: flex;
  box-shadow: 0 16px 28px -14px rgba(10, 46, 40, .55), inset 0 -4px 8px rgba(0, 0, 0, .12); animation: float 8s ease-in-out infinite; }
.capsule::before, .capsule::after { content: ""; flex: 1; }
.capsule::before { background: linear-gradient(180deg, #ff9d6b, var(--accent)); }
.capsule::after { background: linear-gradient(180deg, #ffffff, #dfe7e5); }
.capsule i { position: absolute; left: 10px; right: 10px; top: 5px; height: 5px; border-radius: 3px; background: rgba(255, 255, 255, .55); }
.cap-1 { right: 0; top: 210px; transform: translateZ(90px) rotate(-32deg); }
.cap-2 { left: 4%; bottom: 20px; width: 56px; height: 22px; transform: translateZ(60px) rotate(24deg); animation-delay: -3s; }

.molecule { position: absolute; left: 30%; bottom: 58px; width: 90px; height: 70px; transform: translateZ(30px); animation: float 9s ease-in-out infinite; animation-delay: -5s; }
.molecule i { position: absolute; border-radius: 50%; }
.molecule .a { width: 30px; height: 30px; left: 30px; top: 18px; background: radial-gradient(circle at 32% 28%, #fff, #e66 40%, #a22 90%); }
.molecule .b, .molecule .c { width: 18px; height: 18px; background: radial-gradient(circle at 32% 28%, #fff, #dfe7e5 50%, #9aa9a5); }
.molecule .b { left: 4px; top: 4px; } .molecule .c { left: 66px; top: 44px; }
.molecule b { position: absolute; height: 4px; background: #b9c6c2; border-radius: 2px; transform-origin: left center; }
.molecule .l1 { left: 16px; top: 16px; width: 24px; transform: rotate(32deg); }
.molecule .l2 { left: 52px; top: 40px; width: 22px; transform: rotate(30deg); }

.glass { position: absolute; display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 16px;
  background: color-mix(in srgb, var(--surface-200) 70%, transparent); border: 1px solid color-mix(in srgb, #fff 60%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 18px 40px -22px rgba(10, 46, 40, .5); font-size: 13px; }
.glass b { display: block; font-size: 14px; } .glass span { color: var(--ink-muted); }
.glass .ico { color: var(--brand); flex: none; }
.gc-1 { left: 0; top: 2px; transform: translateZ(120px); animation: float 7s ease-in-out infinite -1s; }
.gc-1 .ico { color: #e0435b; animation: beat 1.2s ease-in-out infinite; }
.gc-2 { right: 0; bottom: 30px; transform: translateZ(150px); animation: float 8s ease-in-out infinite -3s; }
@keyframes beat { 15% { transform: scale(1.18); } 30% { transform: scale(1); } 45% { transform: scale(1.12); } 60% { transform: scale(1); } }

/* cards in 3D: they tilt under the pointer and catch a highlight */
[data-tilt], .package { transform-style: preserve-3d; transition: transform .18s ease-out, box-shadow .2s; will-change: transform; position: relative; }
[data-tilt]::after, .package::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .2s;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .45), transparent 45%); }
[data-tilt]:hover::after, .package:hover::after { opacity: 1; }
:root[data-theme="dark"] [data-tilt]::after, :root[data-theme="dark"] .package::after { background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(127, 216, 196, .12), transparent 45%); }
.trust-ico { color: var(--brand-strong); background: linear-gradient(145deg, var(--brand-tint), color-mix(in srgb, var(--brand-tint) 40%, var(--surface-200)));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .6), 0 10px 20px -12px color-mix(in srgb, var(--brand) 60%, transparent); transform: translateZ(30px); }
.trust .h2, .how li .h2 { transform: translateZ(20px); }
.cube-scene { width: 110px; height: 110px; perspective: 600px; flex: none; margin: 0 8px; filter: drop-shadow(0 18px 18px rgba(0, 0, 0, .3)); }
.cube { position: relative; width: 100%; height: 100%; transform-style: preserve-3d; animation: cube 14s linear infinite; }
.cube .face { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 4px; border-radius: 18px;
  background: linear-gradient(145deg, #3cc2ab, #0f6b5f 60%, #0a4a42); border: 1px solid rgba(255, 255, 255, .35);
  color: #fff; font: 700 11px/1 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; backface-visibility: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), inset 0 -10px 24px rgba(0, 0, 0, .18); }
.cube .f-right, .cube .f-left { background: linear-gradient(145deg, #f2b37a, #c45f12 60%, #8a3f08); }
.cube .f-top, .cube .f-bottom { background: linear-gradient(145deg, #b9a6ff, #6d28d9 65%, #4c1d95); }
.f-front { transform: translateZ(55px); } .f-back { transform: rotateY(180deg) translateZ(55px); }
.f-right { transform: rotateY(90deg) translateZ(55px); } .f-left { transform: rotateY(-90deg) translateZ(55px); }
.f-top { transform: rotateX(90deg) translateZ(55px); } .f-bottom { transform: rotateX(-90deg) translateZ(55px); }
@keyframes cube { from { transform: rotateX(-18deg) rotateY(0); } to { transform: rotateX(-18deg) rotateY(360deg); } }
@media (prefers-reduced-motion: reduce) { .cube { animation: none; transform: rotateX(-18deg) rotateY(-30deg); } }
.cta-ico { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .3); color: #fff; flex: none; }

@media (prefers-reduced-motion: reduce) {
  .helix .rung, .rubik, .ball, .capsule, .molecule, .glass, .gc-1 .ico { animation: none; }
  .rubik { transform: rotateX(-24deg) rotateY(-32deg); }
}
@media (max-width: 900px) {
  /* the scene keeps its proportions: everything fits inside a square */
  .stage { height: auto; aspect-ratio: 1 / 1; max-height: 560px; margin-top: var(--space-4); }
  .rubik-wrap { left: 29%; top: 22%; width: 44%; }
  .helix { top: 8%; height: 70%; transform: translateZ(-40px) rotateZ(-14deg) scale(.8); transform-origin: top left; }
  .gc-1 { left: 3%; top: 1%; transform: translateZ(40px); }
  .gc-2 { right: 3%; bottom: 14%; transform: translateZ(50px); }
  .cap-1 { right: 3%; top: 48%; transform: translateZ(40px) rotate(-32deg); }
  .ball-1 { right: 6%; top: 14%; transform: translateZ(40px); }
}
@media (max-width: 600px) {
  .helix { transform: translateZ(-40px) rotateZ(-14deg) scale(.6); }
  .glass { font-size: 11px; padding: 7px 10px; gap: 8px; border-radius: 12px; }
  .glass b { font-size: 12px; }
  .capsule { transform: scale(.8); }
  .molecule { left: 26%; bottom: 14%; }
}

/* SUNDAY: the one word in warm colours and capitals, with a brush-stroke underline */
.display .sunday { position: relative; display: inline-block; letter-spacing: .01em; padding-right: .04em;
  background: linear-gradient(95deg, #ff7a18, #ff3d6e 55%, #b02bd6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.display .sunday i { font-style: normal; }
.display .sunday::after { content: ""; position: absolute; left: 2%; right: 8%; bottom: -.04em; height: .13em; border-radius: 99px; opacity: .9;
  background: linear-gradient(95deg, #ff7a18, #ff3d6e 55%, #b02bd6); transform: skewX(-14deg); transform-origin: left; animation: sweep 1s .5s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes sweep { from { transform: skewX(-14deg) scaleX(0); } }
:root[data-theme="dark"] .display .sunday, :root[data-theme="dark"] .display .sunday::after { background-image: linear-gradient(95deg, #ffa24a, #ff5c86 55%, #d27bff); }

/* behind the cube: a starfield and a solar system turning slowly */
.stage { --c-star: color-mix(in srgb, var(--brand) 55%, transparent); --c-orbit: color-mix(in srgb, var(--ink) 16%, transparent); }
:root[data-theme="dark"] .stage { --c-star: rgba(255, 255, 255, .8); --c-orbit: rgba(255, 255, 255, .16); }
.stars { position: absolute; inset: -6% -10% -6% -6%; transform: translateZ(-240px); pointer-events: none; animation: twinkle 5s ease-in-out infinite alternate;
  background-image: radial-gradient(2px 2px at 8% 14%, var(--c-star) 50%, transparent 55%), radial-gradient(1.5px 1.5px at 22% 70%, var(--c-star) 50%, transparent 55%),
    radial-gradient(2px 2px at 36% 8%, var(--c-star) 50%, transparent 55%), radial-gradient(1.5px 1.5px at 48% 92%, var(--c-star) 50%, transparent 55%),
    radial-gradient(2.5px 2.5px at 62% 30%, var(--c-star) 50%, transparent 55%), radial-gradient(1.5px 1.5px at 74% 84%, var(--c-star) 50%, transparent 55%),
    radial-gradient(2px 2px at 88% 52%, var(--c-star) 50%, transparent 55%), radial-gradient(1.5px 1.5px at 96% 18%, var(--c-star) 50%, transparent 55%),
    radial-gradient(2px 2px at 14% 46%, var(--c-star) 50%, transparent 55%), radial-gradient(1.5px 1.5px at 56% 60%, var(--c-star) 50%, transparent 55%); }
@keyframes twinkle { to { opacity: .45; } }
.solar { position: absolute; left: 80%; top: 16%; width: 118%; aspect-ratio: 1; translate: -50% -50%; transform: translateZ(-90px); pointer-events: none; }
.sun { position: absolute; left: 50%; top: 50%; width: 13%; aspect-ratio: 1; translate: -50% -50%; border-radius: 50%;
  background: radial-gradient(circle at 40% 36%, #fff8cc, #ffd54a 32%, #ff9a1f 64%, #e85d04);
  box-shadow: 0 0 28px 8px rgba(255, 170, 40, .55), 0 0 90px 30px rgba(255, 140, 30, .22); animation: sunglow 4s ease-in-out infinite; }
@keyframes sunglow { 50% { box-shadow: 0 0 40px 12px rgba(255, 170, 40, .65), 0 0 120px 44px rgba(255, 140, 30, .28); } }
.orbit { position: absolute; left: 50%; top: 50%; width: var(--d); aspect-ratio: 1; translate: -50% -50%; border-radius: 50%;
  border: 1px dashed var(--c-orbit); animation: orbit var(--t) linear infinite; animation-delay: var(--o); }
.orbit-1 { --d: 20%; --t: 8s; --o: -2s; } .orbit-2 { --d: 30%; --t: 13s; --o: -9s; } .orbit-3 { --d: 42%; --t: 19s; --o: -4s; }
.orbit-4 { --d: 56%; --t: 27s; --o: -20s; } .orbit-5 { --d: 72%; --t: 40s; --o: -13s; } .orbit-6 { --d: 92%; --t: 58s; --o: -40s; }
@keyframes orbit { to { rotate: 360deg; } }
.planet { position: absolute; left: 50%; top: 0; width: var(--p); aspect-ratio: 1; translate: -50% -50%; border-radius: 50%; box-shadow: inset -3px -3px 5px rgba(0, 0, 0, .28); }
.pl-mercury { --p: 9px; background: radial-gradient(circle at 35% 30%, #eee8e0, #9b8f84); }
.pl-venus { --p: 13px; background: radial-gradient(circle at 35% 30%, #fff1c9, #e0a95a); }
.pl-earth { --p: 16px; background: radial-gradient(circle at 35% 30%, #c7ecff, #2f8be0 50%, #1d6b3a 90%); box-shadow: inset -3px -3px 5px rgba(0, 0, 0, .28), 0 0 10px rgba(80, 160, 255, .55); }
.pl-mars { --p: 12px; background: radial-gradient(circle at 35% 30%, #ffc2a3, #d4501e); }
.pl-jupiter { --p: 28px; background: repeating-linear-gradient(170deg, #f3dcc0 0 3px, #c98b55 3px 6px, #e9c9a0 6px 9px); }
.pl-saturn { --p: 20px; background: radial-gradient(circle at 35% 30%, #fff3d0, #d9b26a); }
.pl-saturn::after { content: ""; position: absolute; left: -50%; right: -50%; top: 36%; height: 28%; border-radius: 50%; border: 2px solid rgba(214, 180, 110, .95); transform: rotate(-22deg); }

/* more pills and molecules floating round the cube */
.tablet { position: absolute; width: 34px; aspect-ratio: 1; border-radius: 50%; animation: float 7.5s ease-in-out infinite;
  background: radial-gradient(circle at 35% 30%, #fff, #e8eeec 60%, #c4cfcc); box-shadow: 0 12px 20px -10px rgba(10, 46, 40, .5), inset 0 -3px 5px rgba(0, 0, 0, .12); }
.tablet::after { content: ""; position: absolute; left: 18%; right: 18%; top: calc(50% - 1px); height: 2px; border-radius: 1px; background: rgba(0, 0, 0, .14); }
.tab-1 { left: 22%; top: 12%; transform: translateZ(70px) rotate(25deg); animation-delay: -2.5s; }
.tab-2 { right: 20%; bottom: 24%; width: 24px; transform: translateZ(100px) rotate(-40deg); animation-delay: -5s;
  background: radial-gradient(circle at 35% 30%, #fff, #ffd1dc 55%, #f07090); }
.cap-3 { left: 60%; top: 9%; width: 50px; height: 20px; transform: translateZ(70px) rotate(62deg); animation-delay: -6s; }
.cap-3::before { background: linear-gradient(180deg, #9cbcff, #3d63d8); }
.benzene, .mini-helix { position: absolute; pointer-events: none; }
.benzene { left: 54%; bottom: 0; color: var(--status-review); transform: translateZ(50px); animation: float 9s ease-in-out infinite -2s, spin 26s linear infinite; }
.mini-helix { right: 3%; top: 54%; color: var(--brand); transform: translateZ(60px) rotate(18deg); animation: float 8.5s ease-in-out infinite -4s; }
.benzene .ico, .mini-helix .ico { stroke-width: 1.5; filter: drop-shadow(0 8px 10px rgba(10, 46, 40, .25)); }
@keyframes spin { to { rotate: 360deg; } }
@media (prefers-reduced-motion: reduce) { .stars, .sun, .orbit, .tablet, .benzene, .mini-helix, .display .sunday::after { animation: none; } }
@media (max-width: 900px) {
  /* a smaller solar system, so no planet drifts up over the text above the scene */
  .solar { left: 87%; top: 14%; width: 54%; }
  .sun { width: 19%; }
  .ball-1 { right: 30%; top: 1%; width: 40px; height: 40px; }
  .tab-1 { left: 36%; top: 4%; }
  .orbit-6 { display: none; }
}
@media (max-width: 600px) {
  .tablet { width: 26px; } .tab-2 { width: 18px; }
  .benzene .ico { width: 44px; height: 44px; } .mini-helix .ico { width: 38px; height: 38px; }
  .pl-jupiter { --p: 20px; } .pl-saturn { --p: 15px; }
}

.ticker { overflow: hidden; background: var(--ink); color: var(--surface-100); padding: 14px 0; }
.ticker-track { display: flex; gap: 40px; width: max-content; animation: ticker 40s linear infinite; font-weight: 600; font-size: 14px; white-space: nowrap; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker span { opacity: .92; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track, .pulse { animation: none; } }

.trust { display: grid; gap: var(--space-3); align-content: start; transition: transform .2s, box-shadow .2s, border-color .2s; }
.trust:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--brand) 50%, var(--line)); box-shadow: 0 20px 40px -26px rgba(16,35,30,.45); }
.trust .h2 { font-size: 18px; }
.trust p { margin: 0; }
.trust-ico { width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; }
.tag { justify-self: start; font: 700 11px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: var(--radius-pill); background: var(--brand-tint); color: var(--brand-strong); }
.tag-accent { background: var(--accent-tint); color: var(--accent); }
.tag-review { background: color-mix(in srgb, var(--status-review) 14%, var(--surface-200)); color: var(--status-review); }
.tag-green { background: var(--success-tint); color: var(--status-answered); }

.stats-band { background: linear-gradient(120deg, var(--brand-strong), var(--brand)); color: #fff; padding: 48px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); text-align: center; }
.stats-grid b { display: block; font: 800 44px/50px var(--font-sans); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stats-grid span { font-size: 14px; opacity: .85; }

.how { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); counter-reset: how; position: relative; }
.how li { position: relative; background: var(--surface-200); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: var(--space-6); box-shadow: var(--shadow-card); }
.how li p { margin: var(--space-2) 0 0; }
.how-no { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--brand); color: var(--on-brand); font-weight: 800; font-size: 18px; margin-bottom: var(--space-4); box-shadow: 0 0 0 6px var(--brand-tint); }

.cta-band { padding: 0 0 88px; }
.cta { display: flex; justify-content: space-between; align-items: center; gap: var(--space-6); flex-wrap: wrap; padding: 44px 48px; border-radius: 24px; color: #fff;
  background: radial-gradient(500px 220px at 90% 0%, rgba(255,255,255,.18), transparent 70%), linear-gradient(120deg, var(--brand-strong), var(--brand)); }
.cta .h1 { color: #fff; }
.cta p { margin: var(--space-2) 0 0; opacity: .9; }
:root[data-theme="dark"] .cta, :root[data-theme="dark"] .stats-band { background: linear-gradient(120deg, #0b3d36, #0f6b5f); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface-200); padding: 48px 0 24px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: var(--space-8); }
.footer-grid > div { display: grid; gap: var(--space-2); align-content: start; }
.footer-grid a:not(.logo) { color: var(--ink-muted); text-decoration: none; font-size: 14px; }
.footer-grid a:not(.logo):hover { color: var(--brand); }
.footer-title { font-weight: 700; font-size: 14px; }
.footer-base { margin-top: var(--space-8); padding-top: var(--space-4); border-top: 1px solid var(--line); }
.container + .site-footer { margin-top: 48px; }

/* ---------------------------------------------------------------- shared catalog pieces */
.sub-head { font: 700 13px/18px var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-muted); margin: var(--space-8) 0 var(--space-4); }
.seg { display: inline-flex; flex-wrap: wrap; gap: var(--space-1); padding: 5px; border-radius: 14px; background: var(--surface-300); }
.seg button, .seg a { padding: 9px 18px; border: 0; border-radius: 10px; background: transparent; color: var(--ink-muted); font: 600 14px/20px var(--font-sans); cursor: pointer; text-decoration: none; }
.seg [aria-selected="true"], .seg [aria-current="page"] { background: var(--surface-200); color: var(--ink); box-shadow: var(--shadow-card); }
.seg-links { display: flex; width: fit-content; max-width: 100%; }
.seg-sub { margin: var(--space-3) 0 var(--space-6); background: transparent; padding: 0; }
.seg-sub a { border: 1px solid var(--line); }
.seg-sub a[aria-current="page"] { border-color: var(--brand); color: var(--brand-strong); background: var(--brand-tint); box-shadow: none; }
.package { display: flex; flex-direction: column; gap: var(--space-3); position: relative; transition: transform .2s, box-shadow .2s; }
.package:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -28px rgba(16,35,30,.5); }
.package .h2 { font-size: 18px; line-height: 24px; }
.package-combo { border: 2px solid var(--brand); background: linear-gradient(180deg, var(--brand-tint), var(--surface-200) 120px); }
.package-badge { align-self: flex-start; background: var(--accent); color: var(--on-status); }
.package .btn { margin-top: auto; justify-content: center; }
.package .badge-brand { align-self: flex-start; }
.price strong { font-size: 32px; line-height: 38px; font-weight: 800; letter-spacing: -0.02em; }
.price s { color: var(--ink-muted); margin-left: var(--space-2); }
.schedule-line { padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); background: var(--surface-300); margin: 0; }
.ticks { list-style: none; padding: 0; margin: 0 0 var(--space-2); display: grid; gap: var(--space-2); font-size: 14px; line-height: 20px; }
.ticks li { padding-left: 24px; position: relative; }
.ticks li::before { content: "✓"; position: absolute; left: 0; color: var(--status-answered); font-weight: 800; }
/* single tracks: a coloured header with the track number, then the details on a raised panel */
.tone-1 { --t1: #0f9b8e; --t2: #0a5047; }
.tone-2 { --t1: #7c4dff; --t2: #4b23b8; }
.tone-3 { --t1: #ff7a18; --t2: #d6336c; }
.track-card { padding: 0; gap: 0; overflow: hidden; border: 1px solid color-mix(in srgb, var(--t1) 35%, var(--line)); }
.track-card:hover { box-shadow: 0 28px 52px -28px color-mix(in srgb, var(--t1) 75%, transparent); }
.track-top { position: relative; display: flex; align-items: center; gap: 14px; padding: 22px 22px 42px; color: #fff; overflow: hidden;
  background: radial-gradient(260px 140px at 100% 0%, rgba(255, 255, 255, .28), transparent 70%), linear-gradient(135deg, var(--t1), var(--t2)); }
.track-top::before { content: ""; position: absolute; right: -6px; bottom: 14px; width: 130px; height: 70px; opacity: .5;
  background-image: radial-gradient(rgba(255, 255, 255, .55) 2px, transparent 2.5px); background-size: 14px 14px; }
.track-no { display: grid; line-height: 1; }
.track-no small { font: 700 11px/1 var(--font-mono); letter-spacing: .16em; text-transform: uppercase; opacity: .85; }
.track-no b { font-size: 56px; font-weight: 800; letter-spacing: -.04em; line-height: .95; text-shadow: 0 6px 16px rgba(0, 0, 0, .2); }
.track-pic { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .4); }
.track-off { position: relative; margin-left: auto; align-self: flex-start; padding: 6px 11px; border-radius: 99px; background: #fff; color: var(--t2);
  font: 800 12px/1 var(--font-sans); box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .45); }
.track-body { position: relative; flex: 1; display: flex; flex-direction: column; gap: var(--space-3); margin-top: -22px; padding: 22px 22px 24px;
  border-radius: 22px 22px 0 0; background: var(--surface-200); }
.track-body p { margin: 0; }
.track-card .h2 { font-size: 19px; line-height: 25px; }
.track-facts { display: flex; flex-wrap: wrap; gap: 8px; }
.track-facts span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 99px; font-size: 13px; font-weight: 600;
  background: color-mix(in srgb, var(--t1) 12%, var(--surface-200)); color: color-mix(in srgb, var(--t1) 65%, var(--ink)); }
.track-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 10px; }
.track-price strong { font-size: 38px; line-height: 42px; font-weight: 800; letter-spacing: -.02em; }
.track-price s { color: var(--ink-muted); }
.track-price em { flex-basis: 100%; font-style: normal; font-size: 12px; color: var(--ink-muted); }
.track-when { display: flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--surface-300); border-left: 3px solid var(--t1); font-size: 13px; line-height: 18px; }
.track-when .ico { flex: none; color: var(--t1); margin-top: 1px; }
.track-card .ticks li::before { content: ""; top: 2px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--t1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 10px no-repeat; }
.track-btn { width: 100%; padding: 13px 18px; font-size: 15px; color: #fff; border: 0; background: linear-gradient(120deg, var(--t1), var(--t2));
  box-shadow: 0 12px 24px -12px var(--t1); }
.track-btn:hover { color: #fff; filter: brightness(1.08); transform: translateY(-1px); }
.track-card .btn-secondary.track-btn { background: var(--surface-200); color: var(--t1); border: 1px solid var(--t1); box-shadow: none; }
/* Diwali offer banner above the batch tabs */
.offer-band { display: flex; align-items: center; gap: 16px; margin: 0 auto var(--space-6); max-width: 860px; padding: 14px 18px; border-radius: 18px; color: #fff;
  background: radial-gradient(220px 90px at 8% 0%, rgba(252, 211, 77, .45), transparent 70%), linear-gradient(120deg, #9a1d48, #c2410c 55%, #d97706);
  box-shadow: 0 18px 36px -24px rgba(154, 29, 72, .9); position: relative; overflow: hidden; }
.offer-band::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .45;
  background-image: radial-gradient(rgba(255, 236, 179, .9) 1.2px, transparent 1.8px); background-size: 22px 22px; mask-image: linear-gradient(90deg, transparent 35%, #000); }
.offer-diya { flex: none; width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; color: #fde68a; background: rgba(255, 255, 255, .14); border: 1px solid rgba(253, 230, 138, .5); }
.offer-band div { display: grid; gap: 2px; position: relative; z-index: 1; }
.offer-band b { font-size: 17px; line-height: 22px; }
.offer-band div span { font-size: 13px; line-height: 18px; opacity: .92; }
.offer-tag { margin-left: auto; flex: none; position: relative; z-index: 1; padding: 7px 14px; border-radius: 99px; background: #fde68a; color: #7c2d12;
  font: 800 12px/1 var(--font-sans); letter-spacing: .08em; text-transform: uppercase; }

/* combo packs: a festive header with the tracks they bundle; the batch's complete pack is the gold "mega" one */
.combo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); align-items: stretch; }
.combo-card { --c1: #d9480f; --c2: #a61e4d; --cg: #fde68a; padding: 0; gap: 0; overflow: hidden; border: 1px solid color-mix(in srgb, var(--c1) 40%, var(--line)); }
.combo-card:hover { box-shadow: 0 28px 52px -28px color-mix(in srgb, var(--c2) 80%, transparent); }
.combo-mega { --c1: #b45309; --c2: #7a1238; border: 2px solid #f2b705; box-shadow: 0 0 0 4px color-mix(in srgb, #f2b705 18%, transparent), 0 26px 50px -30px rgba(180, 83, 9, .9); }
.combo-top { position: relative; display: grid; gap: 14px; padding: 20px 22px 44px; color: #fff; overflow: hidden;
  background: radial-gradient(240px 140px at 100% 0%, rgba(255, 255, 255, .25), transparent 70%), linear-gradient(135deg, var(--c1), var(--c2)); }
.combo-top::before { content: ""; position: absolute; right: -8px; bottom: 30px; width: 140px; height: 70px; opacity: .4;
  background-image: radial-gradient(rgba(255, 236, 179, .8) 2px, transparent 2.5px); background-size: 14px 14px; }
.combo-mega .combo-top { background: radial-gradient(260px 160px at 100% 0%, rgba(253, 230, 138, .55), transparent 70%), linear-gradient(135deg, #c2410c, var(--c1) 35%, var(--c2)); }
.combo-badge { justify-self: start; display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 99px; background: var(--cg); color: #7c2d12;
  font: 800 12px/1 var(--font-sans); letter-spacing: .02em; box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .45); max-width: calc(100% - 70px); }
.combo-badge .ico { color: #d97706; flex: none; }
.combo-tracks { position: relative; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.combo-tracks i { font-style: normal; font-weight: 800; font-size: 20px; opacity: .85; }
.combo-chip { display: inline-grid; justify-items: center; min-width: 54px; padding: 7px 10px 6px; border-radius: 14px; background: rgba(255, 255, 255, .96); color: var(--t2);
  font-size: 26px; font-weight: 800; line-height: 1; box-shadow: 0 8px 16px -10px rgba(0, 0, 0, .55); }
.combo-chip small { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--t1); margin-bottom: 3px; }
.combo-row { position: relative; display: grid; justify-items: start; gap: 12px; }
.combo-count { display: flex; align-items: center; gap: 8px; text-align: left; }
.combo-count b { font-size: 44px; line-height: 1; letter-spacing: -.03em; text-shadow: 0 6px 16px rgba(0, 0, 0, .25); }
.combo-count span { font-size: 11px; line-height: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .9; }
.combo-ribbon { position: absolute; top: 0; right: 0; width: 120px; height: 120px; overflow: hidden; pointer-events: none; z-index: 2; }
.combo-ribbon span { position: absolute; top: 24px; right: -38px; width: 160px; transform: rotate(45deg); padding: 6px 0; text-align: center;
  background: linear-gradient(90deg, #fcd34d, #fde68a, #fcd34d); color: #7c2d12; font: 800 11px/1 var(--font-sans); letter-spacing: .1em; text-transform: uppercase;
  box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .5); }
.combo-body { position: relative; flex: 1; display: flex; flex-direction: column; gap: var(--space-3); margin-top: -24px; padding: 22px 22px 24px; border-radius: 22px 22px 0 0; background: var(--surface-200); }
.combo-body p { margin: 0; }
.combo-card .h2 { font-size: 19px; line-height: 25px; margin: 0 0 4px; text-wrap: balance; }
.combo-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px 10px; }
.combo-price strong { font-size: 38px; line-height: 42px; font-weight: 800; letter-spacing: -.02em; }
.combo-price s { color: var(--ink-muted); }
.combo-off { align-self: center; padding: 4px 9px; border-radius: 99px; font-size: 12px; font-weight: 800; line-height: 1; background: color-mix(in srgb, var(--c2) 14%, var(--surface-200)); color: color-mix(in srgb, var(--c2) 75%, var(--ink)); }
.combo-price em { flex-basis: 100%; font-style: normal; font-size: 12px; color: var(--ink-muted); }
.combo-save { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 12px; font-size: 13px; font-weight: 700; line-height: 18px;
  background: var(--success-tint); color: var(--status-answered); }
.combo-save .ico { flex: none; }
.combo-card .track-when { border-left-color: var(--c1); }
.combo-card .track-when .ico { color: var(--c1); }
.combo-card .ticks li::before { content: ""; top: 2px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--c1) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center / 10px no-repeat; }
.combo-btn { margin-top: auto; width: 100%; justify-content: center; padding: 13px 18px; font-size: 15px; color: #fff; border: 0; background: linear-gradient(120deg, var(--c1), var(--c2));
  box-shadow: 0 12px 24px -12px var(--c2); }
.combo-btn:hover { color: #fff; filter: brightness(1.08); transform: translateY(-1px); }
.combo-card .btn-secondary.combo-btn { background: var(--surface-200); color: var(--c1); border: 1px solid var(--c1); box-shadow: none; }
:root[data-theme="dark"] .combo-card { --c1: #f0803c; }
:root[data-theme="dark"] .combo-mega { --c1: #f59f00; }
:root[data-theme="dark"] .combo-card .combo-top, :root[data-theme="dark"] .combo-mega .combo-top { background: radial-gradient(240px 140px at 100% 0%, rgba(253, 230, 138, .3), transparent 70%), linear-gradient(135deg, #b4400c, #7a1238); }
/* a batch with a single combo: one wide card, header on the left */
.combo-grid-one { grid-template-columns: minmax(0, 1fr); max-width: 980px; margin: 0 auto; }
.combo-wide { flex-direction: row; }
.combo-wide .combo-top { flex: 0 0 320px; align-content: start; padding: 26px 48px 32px 24px; }
.combo-wide .combo-row { gap: 22px; }
.combo-wide .combo-body { margin: 0 0 0 -24px; border-radius: 22px 0 0 22px; padding: 26px 28px; }
.combo-wide .ticks { grid-template-columns: 1fr 1fr; column-gap: 20px; }
.combo-wide .combo-btn { width: auto; align-self: flex-start; padding-inline: 28px; }

/* feature cards: a small glimpse of the real screen instead of an icon */
.glimpse { position: relative; margin: 0; aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; border: 1px solid var(--line); background: var(--surface-300);
  box-shadow: 0 14px 28px -20px rgba(16, 35, 30, .55); transform: translateZ(24px); }
.glimpse::before { content: ""; position: absolute; inset: 0 0 auto; height: 14px; z-index: 1; border-bottom: 1px solid var(--line);
  background: radial-gradient(circle at 9px 7px, #f87171 2.4px, transparent 3px), radial-gradient(circle at 18px 7px, #fbbf24 2.4px, transparent 3px),
  radial-gradient(circle at 27px 7px, #34d399 2.4px, transparent 3px), var(--surface-200); }
.glimpse img { position: absolute; inset: 14px 0 0; width: 100%; height: calc(100% - 14px); object-fit: cover; object-position: left top; transition: transform .5s ease; }
.trust:hover .glimpse img { transform: scale(1.06); }
.glimpse .g-dark { display: none; }
:root[data-theme="dark"] .glimpse .g-dark { display: block; }
:root[data-theme="dark"] .glimpse .g-light { display: none; }
@media (max-width: 1100px) { .combo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .combo-grid-one { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 760px) {
  .combo-grid { grid-template-columns: minmax(0, 1fr); }
  .combo-wide { flex-direction: column; }
  .combo-wide .combo-top { flex: none; padding: 20px 22px 44px; }
  .combo-wide .combo-body { margin: -24px 0 0; border-radius: 22px 22px 0 0; padding: 22px 22px 24px; }
  .combo-wide .ticks { grid-template-columns: 1fr; }
  .combo-wide .combo-btn { width: 100%; align-self: stretch; }
  .offer-band { flex-wrap: wrap; }
  .offer-tag { margin-left: 68px; }
}
.series-test { display: grid; gap: var(--space-3); }
.series-test p { margin: 0; }
.subj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-3); }
.subj { --c: var(--brand); border: 1px solid color-mix(in srgb, var(--c) 35%, transparent); border-left: 4px solid var(--c); border-radius: var(--radius-md); background: color-mix(in srgb, var(--c) 8%, var(--surface-200)); padding: var(--space-2) var(--space-3); }
.subj-head { display: flex; justify-content: space-between; font: 700 12px/16px var(--font-mono); letter-spacing: .04em; text-transform: uppercase; color: var(--c); }
.subj-topic { font-size: 14px; line-height: 20px; font-weight: 600; margin-top: 2px; }
.subj-chem { --c: var(--status-answered); }
.subj-bot { --c: var(--accent); }
.subj-zoo { --c: var(--status-review); }
.faq { max-width: 860px; }
.faq details { padding: var(--space-4) var(--space-6); margin-bottom: var(--space-3); }
.faq summary { font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: var(--space-4); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; line-height: 22px; color: var(--brand); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: var(--space-3) 0 0; }
.steps-list { margin: 0; padding-left: 20px; display: grid; gap: var(--space-2); }
.track-head { display: grid; gap: var(--space-2); background: linear-gradient(120deg, var(--brand-tint), var(--surface-200) 60%); }
.track-head p { margin: 0; }

/* college predictor */
.air-input { font: 700 20px/28px var(--font-mono); letter-spacing: .02em; }
.predict-summary { display: grid; gap: var(--space-3); }
.chance-filter { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.chip { padding: 5px 14px; border-radius: var(--radius-pill); border: 1px solid var(--line-strong); background: var(--surface-200); color: var(--ink); font: 600 13px/18px var(--font-sans); cursor: pointer; }
.chip.is-on { outline: 2px solid var(--ink); outline-offset: 1px; }
.predict-table td { vertical-align: middle; }

/* scorecard predictor */
.predictor-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: var(--space-8); scroll-margin-top: 80px; background: linear-gradient(135deg, var(--accent-tint), var(--surface-200) 55%); }
.predictor-summary { display: grid; gap: var(--space-3); align-content: start; }
.predictor-summary p { margin: 0; }
.predictor-figures { display: flex; gap: var(--space-8); flex-wrap: wrap; }
.predictor-figures > div { display: grid; }
.predictor-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 var(--space-4); align-content: start; }
.predictor-form .field { margin-bottom: var(--space-3); }
.predictor-form .btn { grid-column: span 2; justify-content: center; }


/* admin: planner and paper editor */
.preview-bar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 8px 24px; background: var(--accent); color: #fff; font-size: 14px; }
.write-own textarea { min-height: 0; }
.pq-more { margin-top: 10px; }
.pq-more > summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--brand); }
.pq-more .card { box-shadow: none; padding: 14px; }
.solution-figure { display: block; max-width: 100%; max-height: 260px; margin-top: 8px; background: #fff; border-radius: var(--radius-sm); }
.own-opt label { display: flex; align-items: center; gap: 6px; }
.planner-table td { vertical-align: top; }
.subj-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--c, var(--brand)); margin-right: 6px; }
.paper-chip { display: inline-block; margin: 0 6px 6px 0; padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid var(--line-strong); color: var(--ink); text-decoration: none; font-size: 13px; font-weight: 600; }
.paper-chip.is-live { background: var(--success-tint); border-color: var(--status-answered); color: var(--status-answered); }
.paper-chip:hover { border-color: var(--brand); }
.paper-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: var(--space-6); align-items: start; }
.paper-side { position: sticky; top: 76px; display: grid; gap: var(--space-4); }
.paper-section { display: grid; gap: var(--space-4); }
.ok-count { color: var(--status-answered); }
.autofill summary { cursor: pointer; font-weight: 600; font-size: 14px; color: var(--brand); }
.chapter-checks { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 4px 12px; max-height: 220px; overflow: auto; padding: 8px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.pq { border-top: 1px solid var(--line); padding-top: var(--space-4); scroll-margin-top: 80px; }
.pq:target { background: color-mix(in srgb, var(--brand) 6%, transparent); border-radius: var(--radius-md); }
.pq-head { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-2); }
.pq-no { min-width: 32px; height: 32px; padding: 0 6px; border-radius: var(--radius-sm); display: grid; place-items: center; background: var(--brand); color: var(--on-brand); font-weight: 800; font-size: 13px; }
.chapter-form .select { padding: 4px 8px; font-size: 13px; width: auto; max-width: 300px; }
.pq-stem, .cand-stem { font-size: 15px; line-height: 24px; }
.pq-fig, .cand-fig { max-width: 100%; max-height: 220px; background: #fff; border-radius: var(--radius-sm); margin: 6px 0; display: block; }
.cand-opts { margin: 8px 0 0; padding-left: 22px; font-size: 14px; line-height: 22px; }
.cand-opts li.is-key { color: var(--status-answered); font-weight: 700; }
.cand-opts li.is-key::after { content: "  ✓ key"; font-size: 12px; }
.pq-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; align-items: center; margin-top: var(--space-3); }
.pq-actions .spacer { flex: 1; }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.checklist li::before { margin-right: 6px; font-weight: 800; }
.checklist .ok::before { content: "✓"; color: var(--status-answered); }
.checklist .warn::before { content: "!"; color: var(--accent); }
.checklist .bad::before { content: "✕"; color: var(--danger); }
.lock-note { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-6); background: var(--accent-tint); }
dialog.picker { max-width: 920px; width: calc(100% - 32px); max-height: calc(100vh - 48px); overflow: auto; }
.picker-filters { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; margin: var(--space-4) 0; }
.picker-filters .select, .picker-filters .input { width: auto; flex: 1 1 180px; padding: 6px 10px; font-size: 14px; }
.cands { display: grid; gap: var(--space-3); }
.cand { border: 1px solid var(--line); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); display: grid; gap: var(--space-2); }
.cand-head { display: flex; gap: 6px; flex-wrap: wrap; }

@media (max-width: 1100px) {
  .paper-layout { grid-template-columns: 1fr; }
  .paper-side { position: static; }
  .topbar { height: auto; min-height: 60px; flex-wrap: wrap; padding-top: 8px; padding-bottom: 8px; }
  .nav { order: 3; flex-basis: 100%; overflow-x: auto; }
  .hero { grid-template-columns: 1fr; }
  }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-side, .edit-grid, .how, .predictor-card { grid-template-columns: 1fr; }
  .display { font-size: 40px; line-height: 44px; }
  .wrap { padding: 0 var(--space-4); }
  .band { padding: 56px 0; }
  .hero-band { padding: 40px 0 56px; }
  .section-head .h1 { font-size: 26px; line-height: 32px; }
  .stats-grid, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats-grid b { font-size: 32px; line-height: 38px; }
  .cta { padding: 28px 20px; }
  .predictor-form { grid-template-columns: 1fr; }
  .predictor-form .btn { grid-column: auto; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .auth { grid-template-columns: 1fr; }
  .auth-art { padding: 32px 16px; min-height: 260px; }
  .auth-art .display { font-size: 32px; line-height: 36px; }
  .container { padding: var(--space-6) var(--space-4); }
  .topbar { padding: 0 var(--space-4); gap: var(--space-3); }
  .nav { overflow-x: auto; }
  .exam-main { grid-template-columns: 1fr; padding: var(--space-4); }
  .exam-side { position: fixed; inset: auto 0 0 0; max-height: 70vh; background: var(--surface-100); padding: var(--space-4); border-top: 1px solid var(--line); transform: translateY(100%); transition: transform .2s; z-index: 20; }
  .exam-side.open { transform: none; }
  .palette-toggle { display: inline-flex; }
}
@media (max-width: 600px) {
  .display { font-size: 34px; line-height: 38px; }
  /* room above the logo, so the brand isn't pressed against the top of the phone */
  .topbar { padding-top: 18px; row-gap: 12px; }
  .logo { font-size: 19px; }
  .hero-band { padding-top: 48px; }
  .seg { width: 100%; }
}
.chance-filter .chip.chance-safe { background: var(--success-tint); color: var(--status-answered); border-color: transparent; }
.chance-filter .chip.chance-likely { background: var(--brand-tint); color: var(--brand-strong); border-color: transparent; }
.chance-filter .chip.chance-reach { background: var(--accent-tint); color: var(--accent); border-color: transparent; }

/* difficulty levels */
.diff { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: var(--radius-pill); font: 700 11px/16px var(--font-sans); letter-spacing: .03em; text-transform: uppercase; }
.diff::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.diff-easy { background: var(--success-tint); color: var(--status-answered); }
.diff-medium { background: var(--accent-tint); color: var(--accent); }
.diff-hard { background: var(--danger-tint); color: var(--danger); }
.diff-select { width: auto; padding: 4px 8px; font-size: 13px; font-weight: 600; }
.diff-select.diff-easy, .diff-select.diff-medium, .diff-select.diff-hard { text-transform: none; letter-spacing: 0; border-color: currentColor; }

/* pasting into the admin's question forms */
.paste-whole { display: grid; gap: 8px; padding: 14px; border: 1px dashed var(--brand); border-radius: var(--radius-md); background: color-mix(in srgb, var(--brand) 5%, var(--surface-200)); }
.paste-zone { margin-top: 6px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 12px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm);
  font-size: 13px; color: var(--ink-muted); cursor: text; outline: none; transition: border-color .15s, background .15s; }
.paste-zone:focus, .paste-zone.is-over { border-color: var(--brand); background: var(--brand-tint); color: var(--ink); }
.paste-zone:focus .paste-hint::after { content: " · ready: press Ctrl+V"; color: var(--brand-strong); font-weight: 700; }
.paste-zone.has-image .paste-hint { display: none; }
.paste-preview { max-height: 120px; max-width: 100%; border-radius: 6px; background: #fff; border: 1px solid var(--line); }
.linkish { border: 0; background: none; padding: 0; color: var(--brand); font: inherit; font-weight: 600; text-decoration: underline; cursor: pointer; }
.add-picture .row { align-items: flex-start; }
.own-opt textarea, .edit-grid textarea { resize: vertical; }

/* question bank by chapter */
.chapter-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--space-4); }
.chapter-card { display: grid; gap: 8px; align-content: start; color: var(--ink); text-decoration: none; transition: transform .15s, border-color .15s, box-shadow .15s; }
.chapter-card:hover { transform: translateY(-2px); border-color: var(--brand); box-shadow: 0 16px 30px -22px rgba(16, 35, 30, .5); }
.chapter-card .h2 { font-size: 16px; line-height: 22px; }
.chapter-card.is-empty { opacity: .6; }
.chapter-no { width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; background: var(--brand-tint); color: var(--brand-strong); font: 800 13px/1 var(--font-sans); }
.chapter-count b { font-size: 24px; letter-spacing: -.02em; }
.chapter-bar { display: flex; height: 6px; border-radius: 99px; overflow: hidden; background: var(--surface-300); }
.chapter-bar .live { background: var(--status-answered); } .chapter-bar .keyed { background: color-mix(in srgb, var(--status-answered) 35%, transparent); }
.file-bar { margin-bottom: 12px; padding: 12px 16px; gap: 10px; }

/* free practice papers */
.practice { margin: 0 0 24px; }
.practice-card { border-top: 3px solid var(--status-answered); }

/* scorecard: answer key and solutions as question and answer */
.qa-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 8px; margin-top: 16px; }
.qa { display: grid; justify-items: center; gap: 2px; padding: 8px 4px; border-radius: 10px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); background: var(--surface-200); transition: transform .12s; }
.qa:hover { transform: translateY(-2px); border-color: var(--brand); }
.qa-q { font: 700 11px/1 var(--font-mono); color: var(--ink-muted); }
.qa-a { font: 800 17px/1.2 var(--font-sans); }
.qa-you { font-size: 10px; font-weight: 700; color: var(--danger); }
.qa-correct { background: var(--success-tint); border-color: color-mix(in srgb, var(--status-answered) 45%, transparent); }
.qa-correct .qa-a { color: var(--status-answered); }
.qa-wrong { background: var(--danger-tint); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.key-legend { gap: 6px; color: var(--ink-muted); }
.k-dot { width: 10px; height: 10px; border-radius: 3px; border: 1px solid var(--line-strong); margin-left: 6px; }
.k-dot.correct { background: var(--success-tint); border-color: var(--status-answered); } .k-dot.wrong { background: var(--danger-tint); border-color: var(--danger); } .k-dot.blank { background: var(--surface-200); }
.qa-answer { margin-top: 14px; padding: 10px 14px; border-radius: var(--radius-md); background: var(--brand-tint); color: var(--ink); font-size: 15px; line-height: 24px; }
.qa-label { display: inline-block; padding: 1px 8px; margin-right: 4px; border-radius: 6px; background: var(--brand); color: var(--on-brand); font: 800 12px/18px var(--font-mono); }
.wrong-text { color: var(--danger); font-weight: 700; }
.solution-q { scroll-margin-top: 80px; }
.solution-q:target { outline: 2px solid var(--brand); outline-offset: 6px; border-radius: var(--radius-md); }
.level-card { display: grid; gap: 8px; }
.level-score b { font-size: 28px; letter-spacing: -.02em; }

/* college predictor: search */
.college-search { display: flex; gap: 8px; align-items: center; }
.college-search .input { flex: 1; }
.predict-table mark { background: color-mix(in srgb, var(--accent) 25%, transparent); color: inherit; border-radius: 3px; padding: 0 1px; }
.lookup-card { display: grid; gap: 12px; }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.question-head .diff { margin-right: auto; }

/* college predictor: seats allotted around the rank */
.allotted-table caption { caption-side: top; text-align: left; padding: 12px 16px 4px; font: 700 12px/16px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-muted); }
.allotted-table td { vertical-align: top; }
.seat-line { min-height: 22px; line-height: 22px; white-space: nowrap; }
td.small .seat-line { white-space: normal; }
.gap-near { color: var(--status-answered); font-weight: 700; }
.gap-far { color: var(--accent); font-weight: 700; }
.closest-note { display: grid; gap: 4px; background: var(--accent-tint); }

/* exact Maharashtra CAP seat for an AIR */
.mh-exact { display: grid; gap: 6px; border-left: 4px solid var(--brand); }
.mh-round { display: grid; gap: 2px; padding: 8px 0; border-top: 1px solid var(--line); }
.mh-college { font-weight: 700; font-size: 15px; }