/* ============================================================
   ALL IN ONE — SSC Learning Platform
   Design System: Chlorophyll-Glass Premium
   Fonts: Bricolage Grotesque (display) + Plus Jakarta Sans (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,200;12..96,300;12..96,400;12..96,500;12..96,600;12..96,700;12..96,800&family=Plus+Jakarta+Sans:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,800;1,300;1,400&display=swap');

/* ── CSS Variables ── */
:root {
  --g-50:  #f0fdf4;
  --g-100: #dcfce7;
  --g-200: #bbf7d0;
  --g-300: #86efac;
  --g-400: #4ade80;
  --g-500: #22c55e;
  --g-600: #16a34a;
  --g-700: #15803d;
  --g-800: #166534;
  --g-900: #14532d;

  --accent:       #22c55e;
  --accent-light: #4ade80;
  --accent-glow:  rgba(34,197,94,0.35);
  --accent-soft:  rgba(34,197,94,0.12);

  --bg-primary:   #f8fffe;
  --bg-secondary: #f0fdf4;
  --bg-card:      rgba(255,255,255,0.72);
  --bg-glass:     rgba(255,255,255,0.55);
  --bg-glass-dark:rgba(240,253,244,0.6);

  --text-primary:   #0a1f0e;
  --text-secondary: #1e4d2b;
  --text-muted:     #4b7a5a;
  --text-light:     #7aad8a;

  --border-light: rgba(34,197,94,0.18);
  --border-card:  rgba(34,197,94,0.25);
  --border-glass: rgba(255,255,255,0.6);

  --shadow-sm:  0 2px 8px rgba(34,197,94,0.08);
  --shadow-md:  0 8px 32px rgba(34,197,94,0.14);
  --shadow-lg:  0 20px 60px rgba(34,197,94,0.18);
  --shadow-xl:  0 32px 80px rgba(34,197,94,0.22);
  --shadow-glow:0 0 40px rgba(34,197,94,0.3);

  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-2xl: 40px;
  --radius-full:9999px;

  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body:    'Plus Jakarta Sans', sans-serif;

  --transition-fast:   0.15s cubic-bezier(0.4,0,0.2,1);
  --transition-base:   0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   0.5s cubic-bezier(0.4,0,0.2,1);
  --transition-spring: 0.4s cubic-bezier(0.34,1.56,0.64,1);

  --nav-h: 72px;
  --max-w: 1280px;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary:   #071a0d;
  --bg-secondary: #0a2212;
  --bg-card:      rgba(10,34,18,0.85);
  --bg-glass:     rgba(10,34,18,0.65);
  --bg-glass-dark:rgba(7,26,13,0.8);

  --text-primary:   #e8fdf0;
  --text-secondary: #a7f3c0;
  --text-muted:     #6ee89a;
  --text-light:     #4ade80;

  --border-light: rgba(74,222,128,0.15);
  --border-card:  rgba(74,222,128,0.22);
  --border-glass: rgba(74,222,128,0.12);

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.55);
  --shadow-xl:  0 32px 80px rgba(0,0,0,0.6);
  --shadow-glow:0 0 40px rgba(34,197,94,0.25);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(34,197,94,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(74,222,128,0.1) 0%, transparent 55%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(187,247,208,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ── Page Loader ── */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#page-loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.loader-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse-logo 1.2s ease-in-out infinite;
}
.loader-bar {
  width: 200px;
  height: 3px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.loader-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--g-400), var(--g-500), var(--g-400));
  background-size: 200% 100%;
  border-radius: var(--radius-full);
  animation: loader-slide 1.5s ease-in-out infinite;
}
@keyframes loader-slide {
  0%   { width: 0%; background-position: 0% 50%; }
  50%  { width: 70%; background-position: 100% 50%; }
  100% { width: 100%; background-position: 0% 50%; }
}
@keyframes pulse-logo {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.7; transform: scale(0.97); }
}

/* ── Navigation ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: all var(--transition-base);
}
.navbar.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}
.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-primary);
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: transform var(--transition-spring);
}
.nav-logo:hover .nav-logo-icon { transform: rotate(-8deg) scale(1.1); }
.nav-logo span { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 16px; height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
}
.nav-link:hover { color: var(--accent); background: var(--accent-soft); }
.nav-link:hover::after, .nav-link.active::after { transform: translateX(-50%) scaleX(1); }
.nav-link.active { color: var(--accent); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.btn-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  font-size: 1rem;
}
.btn-icon:hover { background: var(--accent-soft); color: var(--accent); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.nav-hamburger:hover { background: var(--accent-soft); }
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}
.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 Nav */
.nav-mobile {
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  padding: 16px 24px 24px;
  transform: translateY(-110%);
  opacity: 0;
  transition: all var(--transition-base);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-mobile.open { transform: translateY(0); opacity: 1; }
.nav-mobile .nav-link { padding: 12px 16px; font-size: 1rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::before { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--bg-glass);
  color: var(--accent);
  border: 1.5px solid var(--border-card);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1.5px solid var(--border-light);
}
.btn-ghost:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }
.btn-xl { padding: 18px 44px; font-size: 1.05rem; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}

.card-glass {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ── Section Layout ── */
.section {
  padding: 80px 24px;
  position: relative;
  z-index: 1;
}
.section-sm { padding: 48px 24px; }
.section-lg { padding: 120px 24px; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--accent-soft);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-title .highlight {
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Hero Section ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 8s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(34,197,94,0.2) 0%, transparent 70%);
  top: -200px; left: -100px;
  animation-delay: 0s;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(74,222,128,0.15) 0%, transparent 70%);
  top: 50%; right: -100px;
  animation-delay: -3s;
}
.hero-orb-3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(187,247,208,0.2) 0%, transparent 70%);
  bottom: -100px; left: 40%;
  animation-delay: -6s;
}
@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -40px) scale(1.05); }
  66%       { transform: translate(-20px, 20px) scale(0.95); }
}

/* Grid pattern */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34,197,94,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34,197,94,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}
.hero-text { max-width: 580px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: var(--accent-soft);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  animation: fade-up 0.6s ease both;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.6; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-primary);
  margin-bottom: 20px;
  animation: fade-up 0.6s 0.1s ease both;
}
.hero-title .brand {
  background: linear-gradient(135deg, var(--g-600), var(--g-400), var(--g-500));
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s ease infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50%       { background-position: 100% 50%; }
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
  animation: fade-up 0.6s 0.2s ease both;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fade-up 0.6s 0.3s ease both;
}
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  animation: fade-up 0.6s 0.4s ease both;
}
.hero-stat { text-align: left; }
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  animation: fade-up 0.8s 0.2s ease both;
}
.hero-card-stack {
  position: relative;
  height: 480px;
}
.hero-card-main {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  padding: 28px;
  box-shadow: var(--shadow-xl);
  animation: float-card 6s ease-in-out infinite;
}
@keyframes float-card {
  0%, 100% { transform: translate(-50%, -50%) rotate(-2deg); }
  50%       { transform: translate(-50%, calc(-50% - 16px)) rotate(1deg); }
}
.hero-card-mini {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.hero-card-mini-1 { top: 10%; left: -10%; animation: float-mini1 5s ease-in-out infinite; }
.hero-card-mini-2 { top: 20%; right: -5%; animation: float-mini2 7s ease-in-out infinite; }
.hero-card-mini-3 { bottom: 20%; left: -5%; animation: float-mini3 6s ease-in-out infinite; }
.hero-card-mini-4 { bottom: 10%; right: -8%; animation: float-mini4 8s ease-in-out infinite; }
@keyframes float-mini1 { 0%,100%{transform:translateY(0) rotate(-3deg)} 50%{transform:translateY(-12px) rotate(0deg)} }
@keyframes float-mini2 { 0%,100%{transform:translateY(0) rotate(2deg)} 50%{transform:translateY(-8px) rotate(-1deg)} }
@keyframes float-mini3 { 0%,100%{transform:translateY(0) rotate(1deg)} 50%{transform:translateY(-14px) rotate(-2deg)} }
@keyframes float-mini4 { 0%,100%{transform:translateY(0) rotate(-2deg)} 50%{transform:translateY(-10px) rotate(2deg)} }

.hero-card-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.hero-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.hero-card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}
.hero-card-progress {
  height: 6px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.hero-card-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--g-500), var(--g-400));
  border-radius: var(--radius-full);
  animation: progress-fill 2s 1s ease both;
}
@keyframes progress-fill {
  from { width: 0%; }
  to   { width: 72%; }
}
.hero-card-mini-icon { font-size: 1.1rem; }

/* ── Search Section ── */
.search-section {
  padding: 0 24px 60px;
  position: relative;
  z-index: 1;
}
.search-wrapper {
  max-width: 800px;
  margin: 0 auto;
}
.search-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  padding: 8px 8px 8px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
}
.search-icon { font-size: 1.1rem; color: var(--text-muted); flex-shrink: 0; }
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  padding: 8px 0;
}
.search-input::placeholder { color: var(--text-light); }
.search-btn {
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition-spring);
  box-shadow: 0 4px 14px var(--accent-glow);
  flex-shrink: 0;
}
.search-btn:hover { transform: scale(1.04); box-shadow: 0 6px 20px var(--accent-glow); }

.search-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
  justify-content: center;
}
.filter-chip {
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}
.filter-chip:hover, .filter-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* Search Suggestions */
.search-suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: all var(--transition-base);
  z-index: 100;
}
.search-suggestions.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.suggestion-item {
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: background var(--transition-fast);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.suggestion-item:hover { background: var(--accent-soft); color: var(--accent); }
.suggestion-icon { font-size: 0.9rem; color: var(--text-muted); }

/* ── Quick Access Grid ── */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.quick-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}
.quick-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-soft), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.quick-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}
.quick-card:hover::after { opacity: 1; }
.quick-card-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 12px;
  transition: transform var(--transition-spring);
}
.quick-card:hover .quick-card-icon { transform: scale(1.15) rotate(-5deg); }
.quick-card-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.3;
}
.quick-card-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Color variants for quick cards */
.qc-green  .quick-card-icon { background: linear-gradient(135deg, #22c55e22, #4ade8022); }
.qc-teal   .quick-card-icon { background: linear-gradient(135deg, #14b8a622, #2dd4bf22); }
.qc-blue   .quick-card-icon { background: linear-gradient(135deg, #3b82f622, #60a5fa22); }
.qc-purple .quick-card-icon { background: linear-gradient(135deg, #a855f722, #c084fc22); }
.qc-orange .quick-card-icon { background: linear-gradient(135deg, #f9731622, #fb923c22); }
.qc-pink   .quick-card-icon { background: linear-gradient(135deg, #ec489922, #f472b622); }
.qc-yellow .quick-card-icon { background: linear-gradient(135deg, #eab30822, #fbbf2422); }
.qc-red    .quick-card-icon { background: linear-gradient(135deg, #ef444422, #f8717122); }

/* ── Stats Section ── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition-base);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--g-600), var(--g-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ── Feature Cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  padding: 32px 28px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--g-500), var(--g-400));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.feature-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  box-shadow: 0 6px 20px var(--accent-glow);
  transition: transform var(--transition-spring);
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-5deg); }
.feature-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.feature-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition-fast);
}
.feature-link:hover { gap: 10px; }

/* ── Subject Cards ── */
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.subject-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 24px 20px;
  cursor: pointer;
  transition: all var(--transition-spring);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.subject-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-light);
}
.subject-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.subject-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.subject-count {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.subject-bar {
  height: 4px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.subject-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--g-500), var(--g-400));
}

/* ── Question Paper Cards ── */
.paper-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.paper-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 24px;
  transition: all var(--transition-base);
  cursor: pointer;
}
.paper-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent-light); }
.paper-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}
.paper-year-badge {
  padding: 4px 12px;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}
.paper-board-badge {
  padding: 4px 10px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
}
.paper-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.paper-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.paper-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
}

/* ── Filter Bar ── */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  margin-bottom: 28px;
}
.filter-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}
.filter-select {
  padding: 8px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.82rem;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
}
.filter-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ── MCQ Test UI ── */
.test-container {
  max-width: 860px;
  margin: 0 auto;
}
.test-header {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 20px;
  flex-wrap: wrap;
}
.test-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
}
.test-timer.warning { color: #f59e0b; }
.test-timer.danger  { color: #ef4444; animation: timer-pulse 1s ease-in-out infinite; }
@keyframes timer-pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }

.test-progress-bar {
  flex: 1;
  height: 8px;
  background: var(--border-light);
  border-radius: var(--radius-full);
  overflow: hidden;
  min-width: 120px;
}
.test-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--g-500), var(--g-400));
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.question-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
}
.question-num {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}
.question-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 24px;
}
.options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.option-btn {
  padding: 14px 18px;
  background: var(--bg-glass);
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-md);
  text-align: left;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 12px;
}
.option-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.option-btn.selected { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.option-btn.correct  { background: rgba(34,197,94,0.15); border-color: var(--g-500); color: var(--g-700); }
.option-btn.wrong    { background: rgba(239,68,68,0.1); border-color: #ef4444; color: #dc2626; }
.option-letter {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.option-btn.selected .option-letter { background: var(--accent); color: #fff; }
.option-btn.correct  .option-letter { background: var(--g-500); color: #fff; }
.option-btn.wrong    .option-letter { background: #ef4444; color: #fff; }

/* Result Screen */
.result-screen {
  text-align: center;
  padding: 60px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-2xl);
  backdrop-filter: blur(20px);
}
.result-score-ring {
  width: 160px; height: 160px;
  margin: 0 auto 28px;
  position: relative;
}
.result-score-ring svg { transform: rotate(-90deg); }
.result-score-ring circle {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}
.ring-bg   { stroke: var(--border-light); }
.ring-fill { stroke: url(#scoreGrad); stroke-dasharray: 440; stroke-dashoffset: 440; transition: stroke-dashoffset 1.5s ease; }
.result-score-text {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

/* ── Dashboard ── */
.dashboard-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}
.sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  padding: 24px;
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.sidebar-profile {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}
.avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--g-500), var(--g-400));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 12px;
  box-shadow: 0 6px 20px var(--accent-glow);
}
.sidebar-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.sidebar-class {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.sidebar-link:hover, .sidebar-link.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.sidebar-link .icon { font-size: 1rem; }

.dashboard-main { display: flex; flex-direction: column; gap: 24px; }
.dash-cards-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.dash-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  padding: 20px;
  transition: all var(--transition-base);
}
.dash-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.dash-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.dash-card-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}
.dash-card-label { font-size: 0.78rem; color: var(--text-muted); }

/* Chart placeholder */
.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  padding: 28px;
}
.chart-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 140px;
}
.chart-bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  height: 100%;
  justify-content: flex-end;
}
.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--g-400), var(--g-600));
  border-radius: 4px 4px 0 0;
  transition: height 1s cubic-bezier(0.34,1.56,0.64,1);
  min-height: 4px;
}
.chart-bar-label { font-size: 0.68rem; color: var(--text-muted); }

/* Streak */
.streak-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.streak-day {
  aspect-ratio: 1;
  border-radius: 4px;
  background: var(--border-light);
  transition: all var(--transition-fast);
}
.streak-day.active { background: var(--g-400); }
.streak-day.today  { background: var(--g-500); box-shadow: 0 0 8px var(--accent-glow); }

/* ── Notification Toast ── */
.toast-container {
  position: fixed;
  bottom: 24px; right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9000;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-xl);
  min-width: 280px;
  max-width: 360px;
  animation: toast-in 0.4s cubic-bezier(0.34,1.56,0.64,1) both;
}
.toast.removing { animation: toast-out 0.3s ease both; }
@keyframes toast-in  { from{transform:translateX(120%);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes toast-out { from{transform:translateX(0);opacity:1} to{transform:translateX(120%);opacity:0} }
.toast-icon { font-size: 1.2rem; flex-shrink: 0; }
.toast-text { font-size: 0.875rem; color: var(--text-secondary); flex: 1; }
.toast-close { color: var(--text-muted); font-size: 0.9rem; cursor: pointer; }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.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; }

/* ── Animations ── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg, var(--border-light) 25%, rgba(34,197,94,0.08) 50%, var(--border-light) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 4px;
  backdrop-filter: blur(10px);
}
.tab-btn {
  flex: 1;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}
.tab-btn.active {
  background: var(--bg-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.tab-content { display: none; }
.tab-content.active { display: block; animation: fade-in 0.3s ease; }

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
}
.badge-green  { background: rgba(34,197,94,0.15); color: var(--g-700); }
.badge-blue   { background: rgba(59,130,246,0.15); color: #1d4ed8; }
.badge-orange { background: rgba(249,115,22,0.15); color: #c2410c; }
.badge-purple { background: rgba(168,85,247,0.15); color: #7e22ce; }
.badge-red    { background: rgba(239,68,68,0.15);  color: #b91c1c; }

/* ── Leaderboard ── */
.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  cursor: pointer;
}
.leaderboard-item:hover { background: var(--accent-soft); }
.rank-num {
  width: 28px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  flex-shrink: 0;
}
.rank-num.gold   { color: #f59e0b; }
.rank-num.silver { color: #94a3b8; }
.rank-num.bronze { color: #b45309; }
.leaderboard-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--g-400), var(--g-600));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}
.leaderboard-name { font-weight: 600; font-size: 0.875rem; color: var(--text-primary); }
.leaderboard-score { margin-left: auto; font-weight: 700; font-size: 0.875rem; color: var(--accent); }

/* ── Footer ── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 60px 24px 32px;
  position: relative;
  z-index: 1;
}
.footer-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}
.footer-heading {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}
.footer-link:hover { color: var(--accent); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.82rem; color: var(--text-muted); }
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}
.social-btn:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }

/* ── Utility ── */
.text-center { text-align: center; }
.text-accent  { color: var(--accent); }
.text-muted   { color: var(--text-muted); }
.font-display { font-family: var(--font-display); }
.font-bold    { font-weight: 700; }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.flex  { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.relative { position: relative; }
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .dash-cards-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  :root { --nav-h: 64px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .options-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .hero-title { font-size: clamp(2.2rem, 8vw, 3.5rem); }
  .section { padding: 60px 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .dash-cards-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .quick-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .search-box { padding: 6px 6px 6px 16px; }
  .search-btn { padding: 10px 16px; font-size: 0.82rem; }
  .dash-cards-row { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-card); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--accent-light); }

/* ── Selection ── */
::selection { background: var(--accent-soft); color: var(--accent); }

/* ── Focus ── */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

/* ── Print ── */
@media print { .navbar, .footer, .toast-container { display: none; } }