/* ============================================================
   QuizAI – Homepage Stylesheet
   Author: QuizAI Team
   Version: 1.0.0
   ============================================================ */

/* ─── 1. CSS VARIABLES ─────────────────────────────────────── */
:root {
  /* Colors */
  --clr-bg:           #0A0A0F;
  --clr-bg-2:         #0F0F18;
  --clr-bg-3:         #141422;
  --clr-surface:      #16162A;
  --clr-surface-2:    #1C1C35;
  --clr-border:       rgba(255,255,255,0.07);
  --clr-border-2:     rgba(255,255,255,0.12);

  --clr-accent:       #6C5CE7;
  --clr-accent-2:     #A29BFE;
  --clr-accent-3:     #4834D4;
  --clr-green:        #00B894;
  --clr-orange:       #FDCB6E;
  --clr-red:          #FF7675;
  --clr-cyan:         #0984E3;

  --clr-text-1:       #F0F0FF;
  --clr-text-2:       #9898C8;
  --clr-text-3:       #5A5A8A;

  /* Gradients */
  --grad-accent: linear-gradient(135deg, #6C5CE7 0%, #A29BFE 50%, #74B9FF 100%);
  --grad-card:   linear-gradient(135deg, rgba(108,92,231,0.06) 0%, rgba(116,185,255,0.03) 100%);
  --grad-glow:   radial-gradient(ellipse at center, rgba(108,92,231,0.3) 0%, transparent 70%);

  /* Typography */
  --font-display: 'Sora', sans-serif;
  --font-hindi:   'Noto Sans Devanagari', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing */
  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  40px;
  --sp-2xl: 64px;
  --sp-3xl: 96px;

  /* Radius */
  --rad-sm:   6px;
  --rad-md:   12px;
  --rad-lg:   18px;
  --rad-xl:   24px;
  --rad-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5), 0 2px 4px rgba(0,0,0,0.3);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.6), 0 4px 8px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 40px rgba(108,92,231,0.25);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:    cubic-bezier(0.7, 0, 0.84, 0);
  --ease-inout: cubic-bezier(0.87, 0, 0.13, 1);
  --transition: 0.3s var(--ease-out);
}

/* ─── 2. RESET & BASE ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-display);
  background-color: var(--clr-bg);
  color: var(--clr-text-1);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Hindi text override */
[lang="hi"], .hi-text {
  font-family: var(--font-hindi);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ─── 3. UTILITY CLASSES ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}

.gradient-text {
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(108,92,231,0.12);
  border: 1px solid rgba(108,92,231,0.25);
  padding: 4px 12px;
  border-radius: var(--rad-full);
  margin-bottom: var(--sp-md);
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-2xl);
}

.section-title {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 700;
  color: var(--clr-text-1);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section-sub {
  font-size: 15px;
  color: var(--clr-text-2);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ─── 4. NOISE OVERLAY ──────────────────────────────────────── */
.noise-overlay {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9999;
  will-change: transform;
}

/* ─── 5. CUSTOM CURSOR ──────────────────────────────────────── */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s, opacity 0.3s;
}

.cursor {
  width: 8px;
  height: 8px;
  background: var(--clr-accent-2);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor-follower {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(162,155,254,0.4);
  transition: width 0.35s var(--ease-out),
              height 0.35s var(--ease-out),
              left 0.1s,
              top 0.1s,
              border-color 0.3s;
}

body:has(a:hover, button:hover) .cursor         { width: 12px; height: 12px; background: var(--clr-accent); }
body:has(a:hover, button:hover) .cursor-follower { width: 44px; height: 44px; border-color: rgba(108,92,231,0.5); }

@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
}

/* ─── 6. NAVBAR ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}

.navbar.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--clr-border), 0 4px 24px rgba(0,0,0,0.3);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-lg);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--grad-accent);
  position: relative;
  flex-shrink: 0;
}

.logo-icon::after {
  content: '';
  position: absolute;
  inset: 4px;
  border-radius: 4px;
  background: var(--clr-bg);
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-xl);
}

.nav-link {
  font-size: 14px;
  color: var(--clr-text-2);
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--clr-accent-2);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out);
}

.nav-link:hover {
  color: var(--clr-text-1);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.btn-ghost {
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-text-2);
  padding: 8px 16px;
  border-radius: var(--rad-md);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.btn-ghost:hover {
  color: var(--clr-text-1);
  border-color: var(--clr-border-2);
  background: rgba(255,255,255,0.04);
}

.btn-primary-sm {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--rad-md);
  background: var(--clr-accent);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary-sm:hover {
  background: #7C6DF0;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(108,92,231,0.4);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text-2);
  border-radius: 2px;
  transition: all var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 12px var(--sp-lg) var(--sp-lg);
  background: rgba(10,10,15,0.95);
  backdrop-filter: blur(20px);
  border-top: 1px solid var(--clr-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
}

.mobile-menu.open {
  max-height: 400px;
}

.mobile-menu a {
  font-size: 15px;
  color: var(--clr-text-2);
  padding: 10px 12px;
  border-radius: var(--rad-sm);
  transition: all var(--transition);
}

.mobile-menu a:hover {
  color: var(--clr-text-1);
  background: rgba(255,255,255,0.04);
}

.mobile-menu .mob-signup {
  margin-top: 8px;
  color: var(--clr-accent-2);
  font-weight: 600;
}

/* ─── 7. HERO ───────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  overflow: hidden;
}

/* Grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(108,92,231,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(108,92,231,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

/* Glow orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  will-change: transform;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(108,92,231,0.2) 0%, transparent 70%);
  top: -100px;
  left: -100px;
  animation: orbFloat1 12s ease-in-out infinite;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(116,185,255,0.15) 0%, transparent 70%);
  bottom: 0;
  right: -80px;
  animation: orbFloat2 15s ease-in-out infinite;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0,184,148,0.1) 0%, transparent 70%);
  top: 40%;
  right: 30%;
  animation: orbFloat3 10s ease-in-out infinite;
}

@keyframes orbFloat1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(40px, 30px) scale(1.1); }
}

@keyframes orbFloat2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(-30px, -40px) scale(1.05); }
}

@keyframes orbFloat3 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%       { transform: translate(20px, -20px) scale(0.95); }
}

/* Hero inner layout */
.hero-inner {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: var(--sp-3xl) var(--sp-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--sp-2xl);
}

/* Hero content */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--sp-lg);
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(108,92,231,0.1);
  border: 1px solid rgba(108,92,231,0.2);
  padding: 6px 14px;
  border-radius: var(--rad-full);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-green);
  box-shadow: 0 0 8px var(--clr-green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.4); opacity: 0.7; }
}

/* Hero title */
.hero-title {
  font-size: clamp(36px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.title-line {
  display: block;
  font-family: var(--font-hindi);
}

/* Hero subtitle */
.hero-sub {
  font-size: 16px;
  color: var(--clr-text-2);
  line-height: 1.75;
  max-width: 440px;
  font-family: var(--font-hindi);
}

/* Language toggle */
.lang-toggle {
  display: flex;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--rad-full);
  padding: 3px;
  gap: 2px;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: var(--rad-full);
  border: none;
  background: transparent;
  color: var(--clr-text-2);
  transition: all var(--transition);
}

.lang-btn.active {
  background: var(--clr-accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(108,92,231,0.4);
}

.lang-btn:hover:not(.active) {
  color: var(--clr-text-1);
  background: rgba(255,255,255,0.05);
}

/* Hero CTA */
.hero-cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-md);
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--rad-md);
  background: var(--clr-accent);
  border: 1px solid rgba(255,255,255,0.1);
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-hero-primary:hover {
  background: #7C6DF0;
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(108,92,231,0.5);
}

.btn-hero-primary:hover svg {
  transform: translateX(3px);
}

.btn-hero-primary svg {
  transition: transform var(--transition);
}

.btn-hero-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--clr-text-2);
  padding: 14px 22px;
  border-radius: var(--rad-md);
  border: 1px solid var(--clr-border-2);
  background: transparent;
  transition: all var(--transition);
}

.btn-hero-ghost:hover {
  color: var(--clr-text-1);
  border-color: var(--clr-border-2);
  background: rgba(255,255,255,0.04);
  transform: translateY(-1px);
}

/* Trust strip */
.trust-strip {
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--clr-border);
}

.trust-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trust-num {
  font-size: 20px;
  font-weight: 700;
  color: var(--clr-text-1);
  font-family: var(--font-mono);
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.trust-label {
  font-size: 11px;
  color: var(--clr-text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.trust-divider {
  width: 1px;
  height: 32px;
  background: var(--clr-border);
}

/* ─── 8. HERO VISUAL ────────────────────────────────────────── */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-card {
  width: 100%;
  max-width: 420px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--rad-xl);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  animation: cardFloat 5s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

@keyframes cardFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33%       { transform: translateY(-8px) rotate(0.5deg); }
  66%       { transform: translateY(-4px) rotate(-0.3deg); }
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-md);
}

.card-chip {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(108,92,231,0.12);
  border: 1px solid rgba(108,92,231,0.2);
  padding: 3px 10px;
  border-radius: var(--rad-full);
}

.card-timer {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--clr-orange);
  font-family: var(--font-mono);
}

.card-progress {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--rad-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--grad-accent);
  border-radius: var(--rad-full);
  transition: width 0.5s var(--ease-out);
}

.progress-text {
  font-size: 11px;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.card-question {
  font-size: 14px;
  line-height: 1.65;
  color: var(--clr-text-1);
  margin-bottom: var(--sp-md);
  font-family: var(--font-hindi);
}

.card-options {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--sp-md);
}

.card-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--rad-md);
  border: 1px solid var(--clr-border);
  font-size: 13px;
  color: var(--clr-text-2);
  background: rgba(255,255,255,0.02);
  transition: all var(--transition);
  position: relative;
}

.card-option.correct {
  background: rgba(0,184,148,0.08);
  border-color: rgba(0,184,148,0.3);
  color: var(--clr-green);
}

.card-option.wrong {
  background: rgba(255,118,117,0.08);
  border-color: rgba(255,118,117,0.3);
  color: var(--clr-red);
}

.opt-key {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.card-option.correct .opt-key {
  background: rgba(0,184,148,0.15);
  border-color: rgba(0,184,148,0.4);
}

.card-option.wrong .opt-key {
  background: rgba(255,118,117,0.15);
  border-color: rgba(255,118,117,0.4);
}

.opt-status {
  margin-left: auto;
  font-size: 12px;
  font-weight: 700;
}

.correct-icon { color: var(--clr-green); }
.wrong-icon   { color: var(--clr-red); }

.card-explanation {
  background: rgba(108,92,231,0.06);
  border: 1px solid rgba(108,92,231,0.15);
  border-radius: var(--rad-md);
  padding: 10px 12px;
  font-size: 12px;
  color: var(--clr-text-2);
  line-height: 1.6;
}

.explanation-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--clr-accent-2);
  margin-bottom: 4px;
  text-transform: uppercase;
}

/* Floating pills */
.floating-pill {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: var(--rad-full);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  z-index: 2;
  animation: pillFloat 6s ease-in-out infinite;
}

.pill-score {
  bottom: -16px;
  left: -20px;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-2);
  color: var(--clr-green);
  animation-delay: -2s;
}

.pill-ai {
  top: -16px;
  right: -16px;
  background: var(--clr-surface-2);
  border: 1px solid rgba(108,92,231,0.3);
  color: var(--clr-accent-2);
  animation-delay: -4s;
}

@keyframes pillFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

/* ─── 9. MARQUEE ────────────────────────────────────────────── */
.marquee-wrap {
  overflow: hidden;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding: 14px 0;
  position: relative;
}

.marquee-wrap::before,
.marquee-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
}

.marquee-wrap::before {
  left: 0;
  background: linear-gradient(90deg, var(--clr-surface), transparent);
}

.marquee-wrap::after {
  right: 0;
  background: linear-gradient(-90deg, var(--clr-surface), transparent);
}

.marquee-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marqueeScroll 25s linear infinite;
}

.marquee-track span {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-text-3);
  padding: 0 20px;
  transition: color 0.3s;
}

.marquee-track span:hover { color: var(--clr-text-2); }

.marquee-dot {
  color: var(--clr-accent) !important;
  padding: 0 4px !important;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── 10. EXAMS SECTION ─────────────────────────────────────── */
.exams-section {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg);
}

.exams-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-lg);
}

.exam-card {
  position: relative;
  border-radius: var(--rad-xl);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
}

.exam-card:hover,
.exam-card:focus {
  transform: translateY(-4px);
  outline: none;
}

.exam-card-inner {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--rad-xl);
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  height: 100%;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition);
}

.exam-card:hover .exam-card-inner,
.exam-card:focus .exam-card-inner {
  border-color: rgba(108,92,231,0.4);
}

/* Different accent colors per exam */
.exam-card[data-exam="ssc"] .exam-card-inner {
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(108,92,231,0.04) 100%);
}

.exam-card[data-exam="bpsc"] .exam-card-inner {
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(0,184,148,0.04) 100%);
}

.exam-card[data-exam="railway"] .exam-card-inner {
  background: linear-gradient(135deg, var(--clr-surface) 0%, rgba(253,203,110,0.04) 100%);
}

.exam-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  border-radius: var(--rad-xl);
}

.exam-card[data-exam="ssc"]     .exam-glow { background: radial-gradient(ellipse at 50% 0%, rgba(108,92,231,0.12), transparent 70%); }
.exam-card[data-exam="bpsc"]    .exam-glow { background: radial-gradient(ellipse at 50% 0%, rgba(0,184,148,0.12), transparent 70%); }
.exam-card[data-exam="railway"] .exam-glow { background: radial-gradient(ellipse at 50% 0%, rgba(253,203,110,0.12), transparent 70%); }

.exam-card:hover .exam-glow,
.exam-card:focus .exam-glow { opacity: 1; }

.exam-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--rad-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.exam-card[data-exam="ssc"]     .exam-icon-wrap { background: rgba(108,92,231,0.12); border: 1px solid rgba(108,92,231,0.2); color: var(--clr-accent-2); }
.exam-card[data-exam="bpsc"]    .exam-icon-wrap { background: rgba(0,184,148,0.12);  border: 1px solid rgba(0,184,148,0.2);  color: var(--clr-green); }
.exam-card[data-exam="railway"] .exam-icon-wrap { background: rgba(253,203,110,0.12);border: 1px solid rgba(253,203,110,0.2);color: var(--clr-orange); }

.exam-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.exam-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--clr-text-1);
  margin-bottom: 4px;
}

.exam-desc {
  font-size: 12px;
  color: var(--clr-text-3);
  line-height: 1.5;
  margin-bottom: var(--sp-md);
}

.exam-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exam-tags span {
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: var(--rad-full);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-3);
}

.exam-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.exam-stat {
  font-size: 12px;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
}

.exam-difficulty {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--rad-full);
}

.exam-difficulty.easy   { background: rgba(0,184,148,0.1);  color: var(--clr-green); }
.exam-difficulty.medium { background: rgba(253,203,110,0.1); color: var(--clr-orange); }

.exam-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-accent-2);
  transition: gap var(--transition);
  position: relative;
  z-index: 1;
}

.exam-card:hover .exam-cta { gap: 12px; }

/* ─── 11. FEATURES SECTION ──────────────────────────────────── */
.features-section {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg-2);
  position: relative;
}

.features-bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: auto;
  gap: var(--sp-md);
}

.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--rad-xl);
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  grid-column: span 2;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: rgba(108,92,231,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature-card.feature-large {
  grid-column: span 3;
  grid-row: span 2;
}

.feature-card.feature-wide {
  grid-column: span 4;
}

.feature-bg-text {
  position: absolute;
  right: -10px;
  bottom: -20px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(108,92,231,0.04);
  letter-spacing: -0.05em;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--rad-md);
  background: rgba(108,92,231,0.1);
  border: 1px solid rgba(108,92,231,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent-2);
  margin-bottom: var(--sp-sm);
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-text-1);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.feature-card p {
  font-size: 13px;
  color: var(--clr-text-2);
  line-height: 1.65;
  flex: 1;
}

.feature-stat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(108,92,231,0.1);
  border: 1px solid rgba(108,92,231,0.2);
  padding: 4px 10px;
  border-radius: var(--rad-full);
  margin-top: auto;
}

.mini-dashboard {
  display: flex;
  gap: var(--sp-lg);
  padding: var(--sp-md);
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--rad-md);
  margin-top: var(--sp-sm);
}

.mini-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mini-num {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-family: var(--font-mono);
  background: var(--grad-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mini-stat span:last-child {
  font-size: 11px;
  color: var(--clr-text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ─── 12. HOW IT WORKS ──────────────────────────────────────── */
.how-section {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg);
}

.steps-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-xl);
  position: relative;
}

.steps-line {
  position: absolute;
  top: 36px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 1px;
  background: linear-gradient(90deg, var(--clr-accent), rgba(108,92,231,0.3));
  z-index: 0;
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-md);
  position: relative;
  z-index: 1;
}

.step-num {
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-text-3);
  letter-spacing: 0.05em;
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1px solid rgba(108,92,231,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-accent-2);
  box-shadow: 0 0 0 8px rgba(108,92,231,0.05);
  position: relative;
}

.step-icon::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 50%;
  background: var(--grad-accent);
  opacity: 0.2;
  z-index: -1;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--clr-text-1);
  letter-spacing: -0.01em;
}

.step-item p {
  font-size: 13px;
  color: var(--clr-text-2);
  line-height: 1.65;
  max-width: 240px;
  font-family: var(--font-hindi);
}

/* ─── 13. SAMPLE QUIZ ───────────────────────────────────────── */
.sample-section {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg-2);
}

.sample-wrapper {
  display: flex;
  justify-content: center;
}

.sample-quiz-card {
  width: 100%;
  max-width: 600px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-2);
  border-radius: var(--rad-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.sq-header {
  padding: var(--sp-lg);
  border-bottom: 1px solid var(--clr-border);
  background: rgba(108,92,231,0.04);
}

.sq-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
}

.sq-chip {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  background: rgba(108,92,231,0.12);
  border: 1px solid rgba(108,92,231,0.2);
  padding: 4px 12px;
  border-radius: var(--rad-full);
}

.sq-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-orange);
  font-family: var(--font-mono);
}

.sq-prog-dots {
  display: flex;
  gap: 5px;
  margin-bottom: 5px;
}

.prog-dot {
  width: 24px;
  height: 4px;
  border-radius: var(--rad-full);
  background: rgba(255,255,255,0.08);
  transition: background 0.3s;
}

.prog-dot.active   { background: var(--clr-accent); }
.prog-dot.answered { background: var(--clr-green); }
.prog-dot.wrong    { background: var(--clr-red); }

.sq-prog-text {
  font-size: 11px;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
}

.sq-question {
  padding: var(--sp-xl) var(--sp-lg);
  font-size: 16px;
  font-weight: 500;
  color: var(--clr-text-1);
  line-height: 1.7;
  font-family: var(--font-hindi);
}

.sq-options {
  padding: 0 var(--sp-lg) var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sq-opt {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: 13px 16px;
  border-radius: var(--rad-md);
  border: 1px solid var(--clr-border);
  background: rgba(255,255,255,0.02);
  font-size: 14px;
  color: var(--clr-text-2);
  text-align: left;
  transition: all 0.2s;
  cursor: pointer;
  width: 100%;
}

.sq-opt:hover:not(:disabled) {
  border-color: rgba(108,92,231,0.4);
  background: rgba(108,92,231,0.06);
  color: var(--clr-text-1);
}

.sq-opt:disabled { cursor: default; }

.sq-opt.correct-ans {
  border-color: rgba(0,184,148,0.5);
  background: rgba(0,184,148,0.08);
  color: var(--clr-green);
}

.sq-opt.wrong-ans {
  border-color: rgba(255,118,117,0.5);
  background: rgba(255,118,117,0.08);
  color: var(--clr-red);
}

.sq-opt-key {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
  flex-shrink: 0;
  transition: all 0.2s;
}

.sq-opt.correct-ans .sq-opt-key {
  background: rgba(0,184,148,0.15);
  border-color: rgba(0,184,148,0.4);
}

.sq-opt.wrong-ans .sq-opt-key {
  background: rgba(255,118,117,0.15);
  border-color: rgba(255,118,117,0.4);
}

.sq-explanation {
  margin: 0 var(--sp-lg);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.5s var(--ease-out), opacity 0.4s, margin 0.3s;
}

.sq-explanation.visible {
  max-height: 200px;
  opacity: 1;
  margin-bottom: var(--sp-md);
}

.expl-inner {
  background: rgba(108,92,231,0.06);
  border: 1px solid rgba(108,92,231,0.15);
  border-radius: var(--rad-md);
  padding: 12px 14px;
}

.expl-tag {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-accent-2);
  margin-bottom: 5px;
}

.expl-inner p {
  font-size: 13px;
  color: var(--clr-text-2);
  line-height: 1.65;
}

.sq-footer {
  padding: var(--sp-md) var(--sp-lg) var(--sp-lg);
  border-top: 1px solid var(--clr-border);
  background: rgba(108,92,231,0.03);
  text-align: center;
}

.sq-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--clr-accent-2);
  text-decoration: none;
  transition: color var(--transition);
}

.sq-cta:hover { color: #fff; }

/* ─── 14. FINAL CTA ─────────────────────────────────────────── */
.cta-section {
  padding: var(--sp-3xl) 0;
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}

.cta-inner {
  text-align: center;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-lg);
}

.cta-orb {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,92,231,0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  filter: blur(40px);
}

.cta-title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  font-family: var(--font-hindi);
}

.cta-sub {
  font-size: 15px;
  color: var(--clr-text-2);
  max-width: 400px;
  font-family: var(--font-hindi);
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  gap: var(--sp-md);
  flex-wrap: wrap;
  justify-content: center;
}

.cta-note {
  font-size: 12px;
  color: var(--clr-text-3);
  font-family: var(--font-mono);
}

/* ─── 15. FOOTER ────────────────────────────────────────────── */
.footer {
  padding: var(--sp-2xl) 0 var(--sp-xl);
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-2xl);
  margin-bottom: var(--sp-2xl);
}

.footer-brand p {
  font-size: 13px;
  color: var(--clr-text-3);
  line-height: 1.7;
  margin: var(--sp-md) 0;
  max-width: 260px;
}

.footer-social {
  display: flex;
  gap: var(--sp-sm);
}

.footer-social a {
  width: 34px;
  height: 34px;
  border-radius: var(--rad-sm);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-text-3);
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--clr-border-2);
  color: var(--clr-text-1);
  background: rgba(255,255,255,0.04);
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--clr-text-1);
  margin-bottom: var(--sp-md);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul li a {
  font-size: 13px;
  color: var(--clr-text-3);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--clr-text-1); }

.footer-bottom {
  padding-top: var(--sp-lg);
  border-top: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--clr-text-3);
  flex-wrap: wrap;
  gap: var(--sp-sm);
}

/* ─── 16. RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1024px) {
  .features-bento {
    grid-template-columns: repeat(4, 1fr);
  }
  .feature-card.feature-large { grid-column: span 2; }
  .feature-card.feature-wide  { grid-column: span 4; }
  .feature-card               { grid-column: span 2; }
}

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: calc(var(--sp-2xl) + 68px);
    padding-bottom: var(--sp-2xl);
  }

  .hero-content { align-items: center; }
  .hero-sub     { text-align: center; }

  .hero-visual {
    order: -1;
    display: none;
  }

  .nav-links, .nav-actions { display: none; }
  .nav-hamburger { display: flex; }

  .mobile-menu { display: flex; }

  .exams-grid {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
  }

  .features-bento {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card.feature-large,
  .feature-card.feature-wide,
  .feature-card { grid-column: span 2; }

  .steps-track      { grid-template-columns: 1fr; }
  .steps-line       { display: none; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
  }

  .footer-brand { grid-column: span 2; }
}

@media (max-width: 600px) {
  :root { font-size: 15px; }

  .hero-inner { padding: calc(var(--sp-xl) + 68px) var(--sp-md) var(--sp-xl); }

  .hero-title { font-size: clamp(28px, 9vw, 48px); }

  .trust-strip { flex-wrap: wrap; gap: var(--sp-md); }

  .trust-divider { display: none; }

  .features-bento { grid-template-columns: 1fr; }
  .feature-card.feature-large,
  .feature-card.feature-wide,
  .feature-card { grid-column: span 1; }

  .cta-buttons { flex-direction: column; align-items: center; }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand { grid-column: span 1; }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-xs);
  }
}

/* ─── 17. ACCESSIBILITY ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

:focus-visible {
  outline: 2px solid var(--clr-accent-2);
  outline-offset: 3px;
  border-radius: var(--rad-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}