/* ═══════════════════════════════════════════════════════════════
   BrainVeda by Rakesh Sir — Main Stylesheet
   Colors: Navy #0D1123 | Orange #FF8C00 | White #FFFFFF
═══════════════════════════════════════════════════════════════ */

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

:root {
  --navy:      #0D1123;
  --navy-2:    #111827;
  --navy-3:    #1a2035;
  --navy-4:    #1e2847;
  --orange:    #FF8C00;
  --orange-dk: #d97700;
  --orange-lt: #ffad42;
  --white:     #ffffff;
  --gray:      #94a3b8;
  --gray-lt:   #e2e8f0;
  --success:   #10b981;
  --danger:    #ef4444;
  --card-bg:   #141c35;
  --card-border: rgba(255,140,0,0.15);
  --shadow:    0 4px 24px rgba(0,0,0,0.35);
  --radius:    12px;
  --radius-lg: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', system-ui, sans-serif;
  background: var(--navy);
  color: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.text-orange { color: var(--orange); }
.mt-16 { margin-top: 16px; }
.mt-48 { margin-top: 48px; }
.hidden { display: none !important; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-dk));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(255,140,0,0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--orange-lt), var(--orange));
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(255,140,0,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
}
.btn-outline:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
}

.btn-lg { padding: 14px 30px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.btn-wa   { background: #25D366; color: #fff; }
.btn-wa:hover { background: #1da851; }
.btn-email { background: var(--navy-3); color: var(--white); border: 1px solid var(--card-border); }
.btn-email:hover { border-color: var(--orange); color: var(--orange); }

.full-btn { width: 100%; justify-content: center; }

/* ── Header ───────────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(13, 17, 35, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,140,0,0.12);
  padding: 12px 0;
  transition: var(--transition);
}

.header .container {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--orange), var(--orange-dk));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 15px rgba(255,140,0,0.4);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-brand { font-size: 18px; font-weight: 800; color: var(--orange); }
.logo-sub   { font-size: 11px; font-weight: 500; color: var(--gray); }

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray);
  transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.nav-link:hover, .nav-link.active {
  color: var(--orange);
  background: rgba(255,140,0,0.08);
}
.nav-link.active { font-weight: 600; }

.header-cta { margin-left: 8px; flex-shrink: 0; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Section Shared ───────────────────────────────────────── */
.section { padding: 80px 0; }

.section-header {
  text-align: center;
  margin-bottom: 52px;
}
.section-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255,140,0,0.12);
  border: 1px solid rgba(255,140,0,0.3);
  border-radius: 30px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 800;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--gray);
  max-width: 520px;
  margin: 0 auto;
}

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 120px 0 100px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-circle {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: pulse 6s ease-in-out infinite;
}
.c1 { width: 500px; height: 500px; background: var(--orange); top: -200px; right: -100px; }
.c2 { width: 300px; height: 300px; background: #4f46e5; bottom: -100px; left: -50px; animation-delay: 2s; }
.c3 { width: 200px; height: 200px; background: var(--orange); top: 50%; left: 30%; animation-delay: 4s; opacity: 0.07; }

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(255,140,0,0.1);
  border: 1px solid rgba(255,140,0,0.25);
  border-radius: 30px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 36px;
}
.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 52px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
}
.stat { text-align: center; padding: 0 20px; }
.stat-num { display: block; font-size: 26px; font-weight: 800; color: var(--orange); }
.stat-label { font-size: 12px; color: var(--gray); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.1); }

/* ── Ticker ───────────────────────────────────────────────── */
.ticker-wrap {
  background: rgba(255,140,0,0.08);
  border-top: 1px solid rgba(255,140,0,0.2);
  border-bottom: 1px solid rgba(255,140,0,0.2);
  padding: 12px 0;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.ticker-label {
  flex-shrink: 0;
  background: var(--orange);
  color: white;
  padding: 6px 18px;
  font-weight: 700;
  font-size: 13px;
  border-radius: 0 20px 20px 0;
  margin-right: 24px;
  display: flex; align-items: center; gap: 6px;
}
.ticker-content { flex: 1; overflow: hidden; }
.ticker-track {
  display: flex;
  gap: 60px;
  animation: ticker 30s linear infinite;
  white-space: nowrap;
  width: max-content;
}
.ticker-track span { font-size: 14px; color: var(--gray); }
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ── Subject Cards ─────────────────────────────────────────── */
.subjects { background: var(--navy); }
.subjects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.subject-card {
  position: relative;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  background: var(--card-bg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
  display: block;
}
.subject-card:hover {
  transform: translateY(-6px);
  border-color: var(--orange);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.subject-glow {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  filter: blur(60px);
  top: -60px; right: -60px;
  opacity: 0.12;
  transition: var(--transition);
}
.subject-card:hover .subject-glow { opacity: 0.22; transform: scale(1.2); }

.physics  .subject-glow { background: #60a5fa; }
.chemistry .subject-glow { background: #34d399; }
.mathematics .subject-glow { background: var(--orange); }

.subject-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 20px;
}
.physics    .subject-icon { background: rgba(96,165,250,0.15); color: #60a5fa; }
.chemistry  .subject-icon { background: rgba(52,211,153,0.15); color: #34d399; }
.mathematics .subject-icon { background: rgba(255,140,0,0.15); color: var(--orange); }

.subject-card h3 {
  font-size: 22px; font-weight: 800;
  margin-bottom: 8px;
}
.subject-card p {
  color: var(--gray); font-size: 14px; margin-bottom: 20px;
}
.subject-meta {
  display: flex; gap: 16px;
  font-size: 13px; color: var(--gray);
}
.subject-arrow {
  position: absolute; bottom: 24px; right: 24px;
  width: 36px; height: 36px;
  background: rgba(255,140,0,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--orange);
  transition: var(--transition);
}
.subject-card:hover .subject-arrow {
  background: var(--orange);
  color: white;
  transform: translateX(4px);
}

/* ── Features ─────────────────────────────────────────────── */
.features { background: var(--navy-2); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px 24px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: var(--card-border);
  transform: translateY(-4px);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-icon.orange  { background: rgba(255,140,0,0.15); color: var(--orange); }
.feature-icon.blue    { background: rgba(96,165,250,0.15); color: #60a5fa; }
.feature-icon.green   { background: rgba(52,211,153,0.15); color: #34d399; }
.feature-icon.purple  { background: rgba(167,139,250,0.15); color: #a78bfa; }
.feature-icon.teal    { background: rgba(45,212,191,0.15); color: #2dd4bf; }
.feature-icon.red     { background: rgba(251,113,133,0.15); color: #fb7185; }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p  { color: var(--gray); font-size: 14px; }

/* ── Recent Content ───────────────────────────────────────── */
.recent { background: var(--navy); }
.recent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.recent-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: var(--transition);
}
.recent-card:hover { transform: translateY(-4px); border-color: var(--card-border); }
.recent-thumb {
  height: 120px;
  display: flex; align-items: center; justify-content: center;
  font-size: 42px;
  position: relative;
}
.video-thumb  { background: linear-gradient(135deg, #1a1f3a, #0f3460); color: #60a5fa; }
.pdf-thumb    { background: linear-gradient(135deg, #1a2a1a, #0f3d0f); color: #34d399; }
.dpp-thumb    { background: linear-gradient(135deg, #2a1a0f, #3d1f00); color: var(--orange); }
.recent-tag {
  position: absolute; top: 12px; right: 12px;
  padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700;
}
.recent-tag.video { background: rgba(96,165,250,0.2); color: #60a5fa; }
.recent-tag.pdf   { background: rgba(52,211,153,0.2); color: #34d399; }
.recent-tag.dpp   { background: rgba(255,140,0,0.2); color: var(--orange); }
.recent-info { padding: 18px 20px; }
.recent-subject {
  display: inline-block;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; margin-bottom: 8px;
}
.physics-tag    { background: rgba(96,165,250,0.15); color: #60a5fa; }
.chemistry-tag  { background: rgba(52,211,153,0.15); color: #34d399; }
.maths-tag      { background: rgba(255,140,0,0.15); color: var(--orange); }
.recent-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.recent-meta    { font-size: 12px; color: var(--gray); }

/* ── Testimonials ─────────────────────────────────────────── */
.testimonials { background: var(--navy-2); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testi-card {
  padding: 28px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}
.testi-card:hover { border-color: var(--card-border); transform: translateY(-4px); }
.testi-stars { color: var(--orange); font-size: 18px; margin-bottom: 14px; }
.testi-card p { color: var(--gray); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.testi-author { display: flex; align-items: center; gap: 12px; }
.testi-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--orange-dk));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px; flex-shrink: 0;
}
.testi-avatar.p { background: linear-gradient(135deg, #34d399, #059669); }
.testi-avatar.m { background: linear-gradient(135deg, #60a5fa, #3b82f6); }
.testi-author strong { font-size: 14px; }
.testi-author small  { color: var(--gray); font-size: 12px; }

/* ── Telegram CTA ─────────────────────────────────────────── */
.telegram-cta {
  background: linear-gradient(135deg, rgba(255,140,0,0.08), rgba(255,140,0,0.04));
  border-top: 1px solid rgba(255,140,0,0.15);
  border-bottom: 1px solid rgba(255,140,0,0.15);
  padding: 60px 0;
}
.cta-content {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-icon {
  font-size: 56px;
  color: var(--orange);
  flex-shrink: 0;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.cta-text { flex: 1; }
.cta-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.cta-text p  { color: var(--gray); }
.pulse-btn { animation: pulse-shadow 2s ease-in-out infinite; }
@keyframes pulse-shadow {
  0%, 100% { box-shadow: 0 4px 15px rgba(255,140,0,0.35); }
  50% { box-shadow: 0 8px 35px rgba(255,140,0,0.6); }
}

/* ── Page Hero ────────────────────────────────────────────── */
.page-hero {
  padding: 60px 0 40px;
  background: var(--navy-2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.page-hero h1 {
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 800;
  margin-bottom: 10px;
}
.page-hero p { color: var(--gray); }

/* ── Filter Bar ───────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 9px 20px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: transparent;
  color: var(--gray);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex; align-items: center; gap: 6px;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--orange);
  color: white;
  border-color: var(--orange);
  box-shadow: 0 4px 15px rgba(255,140,0,0.3);
}

/* ── Content Sections (Videos) ───────────────────────────── */
.content-section { margin-bottom: 52px; }
.content-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-radius: var(--radius) var(--radius) 0 0;
  margin-bottom: 2px;
}
.physics-header   { background: rgba(96,165,250,0.1); border-left: 4px solid #60a5fa; }
.chemistry-header { background: rgba(52,211,153,0.1); border-left: 4px solid #34d399; }
.maths-header     { background: rgba(255,140,0,0.1);  border-left: 4px solid var(--orange); }
.content-section-header h2 { font-size: 20px; display: flex; align-items: center; gap: 10px; }
.count-badge {
  padding: 4px 12px; border-radius: 20px;
  background: rgba(255,255,255,0.08);
  font-size: 13px; font-weight: 600; color: var(--gray);
}
.chapters-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.04);
  border-radius: 0 0 var(--radius) var(--radius);
  overflow: hidden;
}
.chapter-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--card-bg);
  cursor: pointer;
  transition: var(--transition);
}
.chapter-card:hover { background: rgba(255,140,0,0.05); }
.chapter-num {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: rgba(96,165,250,0.15);
  color: #60a5fa;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; flex-shrink: 0;
}
.chapter-num.chem { background: rgba(52,211,153,0.15); color: #34d399; }
.chapter-num.math { background: rgba(255,140,0,0.15);  color: var(--orange); }
.chapter-info { flex: 1; }
.chapter-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.chapter-meta { font-size: 12px; color: var(--gray); }
.chapter-arrow { color: #60a5fa; font-size: 18px; }
.chapter-arrow.chem-arrow { color: #34d399; }
.chapter-arrow.math-arrow { color: var(--orange); }

/* ── Notes Grid ───────────────────────────────────────────── */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.note-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: var(--transition);
}
.note-card:hover { border-color: var(--card-border); transform: translateY(-4px); }
.note-thumb {
  height: 100px;
  display: flex; align-items: center; justify-content: center;
  font-size: 38px;
  position: relative;
}
.physics-thumb    { background: linear-gradient(135deg, #0f1f3d, #162956); color: #60a5fa; }
.chemistry-thumb  { background: linear-gradient(135deg, #0f2f1f, #0f3d24); color: #34d399; }
.mathematics-thumb { background: linear-gradient(135deg, #2a1a00, #3d2700); color: var(--orange); }
.note-subject {
  position: absolute; top: 10px; right: 10px;
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600;
}
.physics-tag    { background: rgba(96,165,250,0.2); color: #60a5fa; }
.chemistry-tag  { background: rgba(52,211,153,0.2); color: #34d399; }
.mathematics-tag { background: rgba(255,140,0,0.2); color: var(--orange); }
.note-info { padding: 18px; }
.note-info h4 { font-size: 14px; font-weight: 600; margin-bottom: 10px; line-height: 1.4; }
.note-meta {
  display: flex; gap: 16px;
  font-size: 12px; color: var(--gray); margin-bottom: 14px;
}

/* ── DPP Grid ─────────────────────────────────────────────── */
.dpp-info-bar {
  display: flex; gap: 24px; flex-wrap: wrap;
  padding: 16px 24px;
  background: var(--card-bg);
  border-radius: var(--radius);
  margin-bottom: 36px;
  border: 1px solid rgba(255,140,0,0.12);
}
.dpp-info-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 14px; color: var(--gray); font-weight: 500;
}
.dpp-info-item i { color: var(--orange); }
.dpp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.dpp-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: var(--transition);
}
.dpp-card:hover { transform: translateY(-4px); border-color: var(--card-border); }
.dpp-card-header {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.physics-header-bg  { background: rgba(96,165,250,0.08); }
.chemistry-header-bg { background: rgba(52,211,153,0.08); }
.mathematics-header-bg { background: rgba(255,140,0,0.08); }
.physics-header   { background: rgba(96,165,250,0.08); }
.chemistry-header { background: rgba(52,211,153,0.08); }
.mathematics-header { background: rgba(255,140,0,0.08); }
.dpp-meta-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.dpp-num { font-size: 12px; font-weight: 700; color: var(--gray); }
.diff-badge {
  padding: 2px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700;
}
.diff-badge.easy   { background: rgba(52,211,153,0.15); color: #34d399; }
.diff-badge.medium { background: rgba(255,140,0,0.15); color: var(--orange); }
.diff-badge.hard   { background: rgba(251,113,133,0.15); color: #fb7185; }
.dpp-card-header h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.dpp-subject { font-size: 12px; color: var(--gray); display: flex; align-items: center; gap: 6px; }
.dpp-card-body { padding: 16px 20px; }
.dpp-stats { display: flex; gap: 12px; font-size: 12px; color: var(--gray); margin-bottom: 14px; flex-wrap: wrap; }

/* ── Mock Tests ───────────────────────────────────────────── */
.test-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 16px;
}
.test-cat-card {
  padding: 24px 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
  cursor: pointer;
}
.test-cat-card:hover { transform: translateY(-4px); }
.jee-main { background: linear-gradient(135deg, rgba(96,165,250,0.1), rgba(59,130,246,0.05)); }
.jee-adv  { background: linear-gradient(135deg, rgba(167,139,250,0.1), rgba(124,58,237,0.05)); }
.neet     { background: linear-gradient(135deg, rgba(52,211,153,0.1), rgba(16,185,129,0.05)); }
.chapter  { background: linear-gradient(135deg, rgba(255,140,0,0.1), rgba(217,119,0,0.05)); }
.test-cat-icon {
  width: 52px; height: 52px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin: 0 auto 14px;
}
.jee-main .test-cat-icon { background: rgba(96,165,250,0.15); color: #60a5fa; }
.jee-adv  .test-cat-icon { background: rgba(167,139,250,0.15); color: #a78bfa; }
.neet     .test-cat-icon { background: rgba(52,211,153,0.15); color: #34d399; }
.chapter  .test-cat-icon { background: rgba(255,140,0,0.15); color: var(--orange); }
.test-cat-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.test-cat-card p  { font-size: 12px; color: var(--gray); margin-bottom: 10px; }
.test-count { font-size: 13px; font-weight: 700; color: var(--orange); }

.mock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.mock-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 24px;
  transition: var(--transition);
}
.mock-card:hover { border-color: var(--card-border); transform: translateY(-4px); }
.type-tag {
  display: inline-block; padding: 4px 12px; border-radius: 20px;
  font-size: 11px; font-weight: 700; margin-bottom: 10px;
}
.jee-main-tag { background: rgba(96,165,250,0.15); color: #60a5fa; }
.jee-adv-tag  { background: rgba(167,139,250,0.15); color: #a78bfa; }
.neet-tag     { background: rgba(52,211,153,0.15); color: #34d399; }
.chapter-tag  { background: rgba(255,140,0,0.15); color: var(--orange); }
.mock-card h4 { font-size: 16px; font-weight: 700; margin-bottom: 14px; }
.mock-details {
  display: flex; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--gray); margin-bottom: 16px;
}

/* ── Contact ──────────────────────────────────────────────── */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 32px;
}
.contact-left { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
  padding: 24px;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
}
.contact-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius);
  background: rgba(255,140,0,0.15);
  color: var(--orange);
  font-size: 24px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.contact-icon.wa { background: rgba(37,211,102,0.15); color: #25D366; }
.contact-icon.em { background: rgba(96,165,250,0.15); color: #60a5fa; }
.contact-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.contact-card p  { color: var(--gray); font-size: 14px; margin-bottom: 16px; }

.contact-form-box {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 32px;
}
.contact-form-box h3 { font-size: 20px; font-weight: 700; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--gray-lt); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--white);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--orange);
  background: rgba(255,140,0,0.04);
}
.form-group select option { background: var(--navy-2); }
.form-success {
  margin-top: 16px;
  padding: 14px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  border-radius: 8px;
  color: #34d399;
  display: flex; align-items: center; gap: 10px;
  font-weight: 600;
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-section { background: var(--navy-2); }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.faq-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.06);
  padding: 22px 24px;
  transition: var(--transition);
}
.faq-card:hover { border-color: var(--card-border); }
.faq-q { font-weight: 700; margin-bottom: 10px; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.faq-a { color: var(--gray); font-size: 14px; line-height: 1.7; }

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--navy-2);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { color: var(--gray); font-size: 14px; margin-bottom: 20px; }
.social-links { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.social-btn.telegram  { background: rgba(0,136,204,0.15); color: #0088cc; }
.social-btn.youtube   { background: rgba(255,0,0,0.15); color: #ff0000; }
.social-btn.instagram { background: rgba(228,64,95,0.15); color: #e4405f; }
.social-btn.whatsapp  { background: rgba(37,211,102,0.15); color: #25D366; }
.social-btn:hover { transform: translateY(-3px); filter: brightness(1.3); }

.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 16px; color: var(--white); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
  color: var(--gray);
  font-size: 14px;
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.footer-col ul li a:hover { color: var(--orange); }
.footer-col ul li a i { font-size: 11px; color: var(--orange); }

.contact-info li {
  display: flex; align-items: center; gap: 10px;
  color: var(--gray); font-size: 14px; margin-bottom: 10px;
}
.contact-info li i { color: var(--orange); width: 16px; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  color: var(--gray);
  font-size: 13px;
}

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--navy-4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--orange); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .subjects-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .recent-grid   { grid-template-columns: repeat(2, 1fr); }
  .testi-grid    { grid-template-columns: repeat(2, 1fr); }
  .notes-grid    { grid-template-columns: repeat(2, 1fr); }
  .dpp-grid      { grid-template-columns: repeat(2, 1fr); }
  .test-categories { grid-template-columns: repeat(2, 1fr); }
  .footer-grid   { grid-template-columns: 1fr 1fr; }
  .contact-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: rgba(13,17,35,0.98);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid rgba(255,140,0,0.12);
    gap: 4px;
  }
  .nav.open { display: flex; }
  .nav-link { width: 100%; padding: 12px 16px; }
  .hamburger { display: flex; }
  .header-cta { display: none; }
  .header .container { flex-wrap: wrap; position: relative; }

  .hero { padding: 80px 0 60px; }
  .hero-stats { flex-direction: row; justify-content: center; gap: 0; }
  .stat { padding: 0 12px; }
  .stat-num { font-size: 20px; }

  .cta-content { justify-content: center; text-align: center; }
  .cta-icon { display: none; }

  .subjects-grid  { grid-template-columns: 1fr; }
  .features-grid  { grid-template-columns: 1fr; }
  .recent-grid    { grid-template-columns: 1fr; }
  .testi-grid     { grid-template-columns: 1fr; }
  .notes-grid     { grid-template-columns: 1fr; }
  .dpp-grid       { grid-template-columns: 1fr; }
  .mock-grid      { grid-template-columns: 1fr; }
  .faq-grid       { grid-template-columns: 1fr; }
  .chapters-grid  { grid-template-columns: 1fr; }
  .test-categories { grid-template-columns: repeat(2, 1fr); }
  .footer-grid    { grid-template-columns: 1fr; gap: 24px; }

  .dpp-info-bar { flex-direction: column; gap: 12px; }
  .hero-stats { background: none; border: none; padding: 0; }
}

@media (max-width: 480px) {
  .test-categories { grid-template-columns: 1fr; }
  .hero-stats { gap: 0; padding: 16px; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); }
  .stat-divider { display: none; }
  .stat { padding: 8px 16px; }
}

/* ── Coming Soon ─────────────────────────────────────────── */
.coming-soon {
  text-align: center;
  padding: 80px 20px;
  background: var(--card-bg);
  border-radius: 20px;
  border: 1px dashed rgba(255,140,0,0.2);
}
.cs-icon {
  font-size: 52px;
  color: var(--orange);
  opacity: 0.5;
  margin-bottom: 20px;
}
.coming-soon h3 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.coming-soon p  { color: var(--gray); margin-bottom: 24px; }

/* ── Video Grid ──────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 8px;
}
.video-card-item {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.06);
  overflow: hidden;
  transition: var(--transition);
  display: block;
}
.video-card-item:hover { transform:translateY(-4px); border-color:var(--card-border); }
.vc-thumb {
  position: relative;
  aspect-ratio: 16/9;
  background: #1a1f3a;
  overflow: hidden;
}
.vc-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.vc-play {
  position: absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,0.35);
  font-size:38px; color:rgba(255,255,255,0.85);
  opacity:0; transition:opacity .2s;
}
.video-card-item:hover .vc-play { opacity:1; }
.vc-info { padding:14px 16px; }
.vc-subject { display:inline-block; padding:3px 10px; border-radius:20px; font-size:11px; font-weight:600; margin-bottom:7px; }
.vc-info h4 { font-size:14px; font-weight:600; margin-bottom:5px; line-height:1.4; }
.vc-chapter { font-size:12px; color:var(--gray); margin-bottom:4px; }
.vc-desc    { font-size:12px; color:var(--gray); margin-bottom:4px; }
.vc-date    { font-size:11px; color:var(--gray); opacity:0.7; }

/* jee-main-tag / jee-advanced-tag / neet-tag / chapter-tag already defined above */
.jee-main-tag     { background:rgba(59,130,246,0.15); color:#60a5fa; }
.jee-advanced-tag { background:rgba(139,92,246,0.15); color:#a78bfa; }
.neet-tag         { background:rgba(52,211,153,0.15); color:#34d399; }
.chapter-tag      { background:rgba(255,140,0,0.15); color:var(--orange); }

@media (max-width:1024px) { .video-grid { grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px)  { .video-grid { grid-template-columns:1fr; } }

/* ── Header Right ─────────────────────────────────────────── */
.header-right { display:flex; align-items:center; gap:8px; margin-left:8px; }
.student-badge {
  display:inline-flex; align-items:center; gap:7px;
  padding:7px 14px; border-radius:8px;
  background:rgba(255,140,0,0.1); border:1px solid rgba(255,140,0,0.25);
  color:var(--orange); font-size:13px; font-weight:600;
  transition:var(--transition);
}
.student-badge:hover { background:rgba(255,140,0,0.18); }

/* ── Coming Soon Cards (Home) ─────────────────────────────── */
.coming-soon-cards { display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.cs-card {
  display:flex; align-items:center; gap:20px;
  padding:28px 24px; border-radius:var(--radius-lg);
  background:var(--card-bg); border:1px solid rgba(255,255,255,0.06);
  position:relative; overflow:hidden; transition:var(--transition);
  cursor:pointer;
}
.cs-card:hover { border-color:rgba(255,140,0,0.35); transform:translateY(-4px); }
.cs-card.jee:hover { border-color:rgba(167,139,250,0.35); }
.cs-card-lock {
  position:absolute; top:14px; right:14px;
  width:28px; height:28px; border-radius:50%;
  background:rgba(255,140,0,0.12); color:var(--orange);
  display:flex; align-items:center; justify-content:center;
  font-size:12px;
}
.cs-card.jee .cs-card-lock { background:rgba(167,139,250,0.12); color:#a78bfa; }
.cs-card-icon {
  width:60px; height:60px; border-radius:14px; flex-shrink:0;
  background:rgba(255,140,0,0.1); color:var(--orange);
  display:flex; align-items:center; justify-content:center; font-size:26px;
}
.cs-card.jee .cs-card-icon { background:rgba(167,139,250,0.1); color:#a78bfa; }
.cs-card-body { flex:1; }
.cs-card-body h3 { font-size:20px; font-weight:800; margin-bottom:6px; }
.cs-card-body p  { color:var(--gray); font-size:14px; margin-bottom:10px; }
.cs-pill {
  display:inline-block; padding:3px 12px; border-radius:20px;
  background:rgba(255,140,0,0.12); color:var(--orange);
  font-size:12px; font-weight:700; border:1px solid rgba(255,140,0,0.2);
}
.cs-card.jee .cs-pill { background:rgba(167,139,250,0.12); color:#a78bfa; border-color:rgba(167,139,250,0.2); }
.cs-card-arrow {
  display:flex; align-items:center; gap:6px;
  color:var(--gray); font-size:13px; font-weight:600;
  white-space:nowrap;
}
.cs-card:hover .cs-card-arrow { color:var(--orange); }

/* ── Coming Soon Page ─────────────────────────────────────── */
.cs-page-icon { font-size:72px; opacity:0.85; display:block; margin-bottom:8px; }
.notify-box {
  max-width:520px; margin:0 auto;
  background:var(--card-bg); border:1px solid rgba(255,140,0,0.2);
  border-radius:var(--radius-lg); padding:32px;
}
.notify-box h3 { font-size:18px; font-weight:700; margin-bottom:8px; }
.notify-box p  { color:var(--gray); font-size:14px; margin-bottom:20px; }
.notify-input-wrap { display:flex; gap:10px; }
.notify-input-wrap input {
  flex:1; padding:12px 16px;
  background:rgba(255,255,255,0.05); border:1px solid rgba(255,255,255,0.1);
  border-radius:8px; color:var(--white); font-family:inherit; font-size:14px;
  outline:none; transition:border-color .2s;
}
.notify-input-wrap input:focus { border-color:var(--orange); }
.notify-note { font-size:12px; color:var(--gray); margin-top:10px; display:flex; align-items:center; gap:6px; }
.notify-success {
  max-width:520px; margin:0 auto 24px;
  padding:20px 24px; border-radius:var(--radius-lg);
  background:rgba(16,185,129,0.1); border:1px solid rgba(16,185,129,0.3);
  color:#34d399; font-size:16px; font-weight:600;
  display:flex; align-items:center; gap:12px;
}

/* ── Auth Pages ───────────────────────────────────────────── */
.auth-section {
  min-height:80vh; display:flex; align-items:center;
  padding:60px 0;
}
.auth-box {
  max-width:440px; width:100%; margin:0 auto;
  background:var(--card-bg); border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,0.08);
  padding:36px; box-shadow:0 20px 60px rgba(0,0,0,0.4);
}
.auth-header { text-align:center; margin-bottom:28px; }
.auth-icon {
  width:58px; height:58px; border-radius:14px; margin:0 auto 14px;
  background:linear-gradient(135deg,var(--orange),#d97700);
  display:flex; align-items:center; justify-content:center; font-size:24px;
}
.auth-header h2 { font-size:22px; font-weight:800; margin-bottom:6px; }
.auth-header p  { color:var(--gray); font-size:13px; }
.auth-form { display:flex; flex-direction:column; gap:16px; }
.pw-wrap { position:relative; }
.pw-wrap input { width:100%; padding-right:44px; }
.pw-toggle {
  position:absolute; right:12px; top:50%; transform:translateY(-50%);
  background:none; border:none; cursor:pointer; color:var(--gray); font-size:14px;
}
.pw-toggle:hover { color:var(--orange); }
.readonly-input { background:rgba(255,255,255,0.03)!important; color:var(--gray)!important; cursor:not-allowed; }
.btn-auth-primary {
  padding:13px; border-radius:8px; width:100%;
  background:linear-gradient(135deg,var(--orange),#d97700);
  color:white; font-family:inherit; font-weight:700; font-size:15px;
  border:none; cursor:pointer; transition:all .2s;
  display:flex; align-items:center; justify-content:center; gap:8px;
  box-shadow:0 4px 15px rgba(255,140,0,0.35);
}
.btn-auth-primary:hover { transform:translateY(-2px); box-shadow:0 6px 25px rgba(255,140,0,0.5); }
.auth-switch { text-align:center; color:var(--gray); font-size:13px; margin-top:4px; }
.auth-switch a { color:var(--orange); font-weight:600; }

/* ── Student Dashboard ────────────────────────────────────── */
.dash-stat-row {
  display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-bottom:32px;
}
.ds-card {
  padding:22px; border-radius:var(--radius-lg); border:1px solid rgba(255,255,255,0.06);
  background:var(--card-bg); display:flex; align-items:center; gap:16px;
}
.ds-card i { font-size:24px; }
.ds-card.blue i { color:#60a5fa; } .ds-card.green i { color:#34d399; } .ds-card.orange i { color:var(--orange); }
.ds-card span { font-size:28px; font-weight:800; display:block; }
.ds-card label { font-size:12px; color:var(--gray); }
.student-grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.student-section h3 { font-size:16px; font-weight:700; margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.mini-card {
  display:flex; gap:12px; align-items:flex-start;
  padding:14px; background:var(--card-bg); border:1px solid rgba(255,255,255,0.06);
  border-radius:var(--radius); margin-bottom:10px; transition:var(--transition);
}
.mini-card:hover { border-color:var(--card-border); }
.mini-card img { width:80px; height:50px; object-fit:cover; border-radius:6px; flex-shrink:0; }
.mini-card.flat .mini-icon {
  width:44px; height:44px; border-radius:8px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center; font-size:18px;
}
.physics-icon { background:rgba(96,165,250,0.15); color:#60a5fa; }
.chemistry-icon { background:rgba(52,211,153,0.15); color:#34d399; }
.mathematics-icon { background:rgba(255,140,0,0.15); color:var(--orange); }
.purple-icon { background:rgba(167,139,250,0.15); color:#a78bfa; }
.mini-info h5 { font-size:13px; font-weight:600; margin-bottom:4px; }
.mini-info p  { font-size:12px; color:var(--gray); margin-bottom:8px; }
.mini-actions { display:flex; gap:8px; align-items:center; }
.bookmarked-badge { display:inline-flex; align-items:center; gap:5px; padding:5px 10px; border-radius:6px; background:rgba(255,140,0,0.1); color:var(--orange); font-size:12px; font-weight:600; }
.no-items { color:var(--gray); font-size:14px; } .no-items a { color:var(--orange); }
.bookmark-btn { background:rgba(255,255,255,0.05)!important; border:1px solid rgba(255,255,255,0.1)!important; color:var(--gray)!important; }
.bookmark-btn:hover { border-color:var(--orange)!important; color:var(--orange)!important; }
.vc-actions { display:flex; gap:8px; align-items:center; margin-top:8px; }

/* ── Reply badge (contact page) ─────────────────────────────*/
.reply-badge {
  display:flex; align-items:flex-start; gap:14px;
  padding:18px 20px; background:rgba(255,140,0,0.06);
  border:1px solid rgba(255,140,0,0.15); border-radius:var(--radius);
  margin-top:8px;
}
.reply-badge i { font-size:22px; margin-top:2px; flex-shrink:0; }
.reply-badge strong { font-size:15px; font-weight:700; }
.reply-badge p { color:var(--gray); font-size:13px; margin-top:2px; }

/* ── Responsive updates ─────────────────────────────────────*/
@media (max-width:768px) {
  .coming-soon-cards { grid-template-columns:1fr; }
  .cs-card { flex-direction:column; text-align:center; }
  .dash-stat-row { grid-template-columns:1fr; }
  .student-grid { grid-template-columns:1fr; }
  .notify-input-wrap { flex-direction:column; }
  .header-right .btn-outline { display:none; }
}

/* ══════════════════════════════════════════════════════════════
   Day 4 Additions
══════════════════════════════════════════════════════════════ */

/* ── Coming Soon Subject Cards (css = coming-soon-subject) ── */
.css-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 720px;
  margin: 0 auto 0;
}
.cs-subject-card {
  background: var(--navy-2);
  border: 1px solid rgba(255,140,0,0.15);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.cs-subject-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,140,0,0.4);
  box-shadow: 0 8px 32px rgba(255,140,0,0.1);
}
.css-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: 12px;
  background: rgba(255,140,0,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--orange);
}
.css-body h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  margin: 0 0 6px;
}
.css-body p {
  color: var(--gray);
  font-size: 13px;
  line-height: 1.5;
  margin: 0 0 12px;
}

/* ── Dashboard Hero / Profile Banner ── */
.dash-hero {
  background: var(--navy-2);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 40px 0 32px;
}
.dash-profile {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.dash-avatar {
  width: 72px;
  height: 72px;
  min-width: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), #ff6b00);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,140,0,0.35);
}
.dash-profile-info { flex: 1; min-width: 0; }
.dash-profile-info h1 {
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 800;
  color: var(--white);
  margin: 0 0 8px;
}
.dash-badges { display: flex; gap: 10px; flex-wrap: wrap; }
.dash-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
.dash-badge.class-badge  { background: rgba(255,140,0,0.15); color: var(--orange); border: 1px solid rgba(255,140,0,0.3); }
.dash-badge.date-badge   { background: rgba(96,165,250,0.12); color: #60a5fa;       border: 1px solid rgba(96,165,250,0.25); }
.dash-logout             { margin-left: auto; white-space: nowrap; }

/* ── Dashboard Section Cards ── */
.dash-section-card {
  background: var(--navy-2);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  overflow: hidden;
}
.dash-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  gap: 12px;
  flex-wrap: wrap;
}
.dash-section-head h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Dashboard Empty State ── */
.dash-empty {
  padding: 48px 24px;
  text-align: center;
}
.dash-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(255,140,0,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 24px;
  color: var(--orange);
}
.dash-empty h4 {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}
.dash-empty p {
  color: var(--gray);
  font-size: 14px;
  max-width: 360px;
  margin: 0 auto;
  line-height: 1.6;
}
.dash-empty p a { color: var(--orange); text-decoration: underline; }

/* ── Mini Cards Grid (bookmarks) ── */
.mini-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
  padding: 20px;
}
.mini-card {
  background: var(--navy-3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.mini-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.3); }
.mini-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}
.mini-info { padding: 12px 14px 14px; }
.mini-subject-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.mini-info h5 {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin: 0 0 4px;
  line-height: 1.35;
}
.mini-chapter {
  color: var(--gray);
  font-size: 12px;
  margin: 0 0 10px;
}
.mini-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-remove {
  background: rgba(239,68,68,0.1) !important;
  color: #ef4444 !important;
  border: 1px solid rgba(239,68,68,0.25) !important;
}
.btn-remove:hover { background: rgba(239,68,68,0.2) !important; }

/* ── Mini List (flat cards for notes + tests) ── */
.mini-list { padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.mini-card.flat {
  background: var(--navy-3);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
}
.mini-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.physics-icon   { background: rgba(96,165,250,0.15);  color: #60a5fa; }
.chemistry-icon { background: rgba(52,211,153,0.15);  color: #34d399; }
.mathematics-icon { background: rgba(251,191,36,0.15); color: #fbbf24; }
.purple-icon    { background: rgba(167,139,250,0.15); color: #a78bfa; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .dash-profile   { gap: 14px; }
  .dash-avatar    { width: 56px; height: 56px; font-size: 22px; }
  .dash-logout    { margin-left: 0; }
  .mini-cards-grid { grid-template-columns: 1fr; padding: 12px; }
  .css-grid       { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════════════════════════════
   BrainVeda — Day 5 CSS  (Tasks 4–14, 19)
══════════════════════════════════════════════════════════════ */

/* ── Streak Badge (Task 11) ─────────────────────────────────── */
.streak-badge {
  background: linear-gradient(135deg,#ff6b35,#f7c59f);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.streak-badge i { font-size: 14px; }

/* ── Progress Tracker (Task 4) ──────────────────────────────── */
.prog-item {
  margin-bottom: 16px;
}
.prog-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 6px;
}
.prog-label span:last-child { color: var(--orange); }
.prog-bar {
  height: 10px;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
  overflow: hidden;
}
.prog-fill {
  height: 100%;
  border-radius: 8px;
  transition: width 0.6s ease;
  min-width: 4px;
}
.physics-fill    { background: linear-gradient(90deg,#60a5fa,#3b82f6); }
.chemistry-fill  { background: linear-gradient(90deg,#34d399,#059669); }
.mathematics-fill{ background: linear-gradient(90deg,#fbbf24,#d97706); }

/* ── Video Completed Badge + Mark Done Btn (Task 4) ─────────── */
.vc-done-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 700;
  color: #34d399;
  background: rgba(52,211,153,0.12);
  padding: 3px 10px;
  border-radius: 14px;
  margin-top: 6px;
}
.btn-complete {
  background: transparent;
  border: 1.5px solid var(--orange);
  color: var(--orange);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.btn-complete:hover {
  background: var(--orange);
  color: #fff;
}
.btn-complete:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ── Badges Grid (Task 13) ──────────────────────────────────── */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 14px;
  margin-top: 16px;
}
.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 10px;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.badge-item.earned {
  border-color: rgba(255,107,53,0.35);
  background: rgba(255,107,53,0.07);
  box-shadow: 0 2px 12px rgba(255,107,53,0.12);
}
.badge-item.earned:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.18);
}
.badge-item.locked {
  opacity: 0.45;
  filter: grayscale(0.6);
}
.badge-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  background: rgba(255,255,255,0.07);
  color: var(--gray);
}
.badge-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.3;
}
.badge-item.earned .badge-label { color: #fff; }

/* ── Tab Bar (Notes: All / Formula Sheets) (Task 8) ─────────── */
.tab-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
  border-bottom: 2px solid rgba(255,255,255,0.07);
  padding-bottom: 0;
}
.tab-btn {
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray);
  text-decoration: none;
  border-radius: 8px 8px 0 0;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.tab-btn:hover { color: var(--text-light); background: rgba(255,255,255,0.04); }
.tab-btn.active { color: var(--orange); border-color: var(--orange); background: transparent; }

/* ── Note Type Tags (Task 7) ────────────────────────────────── */
.note-type-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 10px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}
.blue-nt   { background: rgba(96,165,250,0.15); color: #60a5fa; }
.orange-nt { background: rgba(251,146,60,0.15);  color: #fb923c; }
.green-nt  { background: rgba(52,211,153,0.15);  color: #34d399; }

/* ── Exam Countdown Timer (Task 12) ─────────────────────────── */
.countdown-section {
  padding: 28px 0 8px;
}
.countdown-box {
  background: linear-gradient(135deg,rgba(255,107,53,0.12),rgba(255,107,53,0.05));
  border: 1.5px solid rgba(255,107,53,0.3);
  border-radius: 18px;
  padding: 28px 24px;
  text-align: center;
}
.countdown-box h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.countdown-box h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 20px;
}
.cd-timer {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.cd-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}
.cd-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.cd-sub {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}
.cd-sep {
  font-size: 30px;
  font-weight: 900;
  color: rgba(255,107,53,0.5);
  line-height: 1;
  padding-top: 2px;
}

/* ── Doubt of the Day (Task 10) ─────────────────────────────── */
.dotd-card {
  background: linear-gradient(135deg,rgba(167,139,250,0.1),rgba(167,139,250,0.04));
  border: 1.5px solid rgba(167,139,250,0.25);
  border-radius: 16px;
  padding: 22px 24px;
  margin: 8px 0;
}
.dotd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: #a78bfa;
  background: rgba(167,139,250,0.12);
  padding: 3px 12px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.dotd-q {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  margin: 8px 0 12px;
  line-height: 1.5;
}
.dotd-ans {
  cursor: pointer;
}
.dotd-ans summary {
  font-size: 13px;
  font-weight: 600;
  color: var(--orange);
  padding: 6px 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
}
.dotd-ans summary::-webkit-details-marker { display: none; }
.dotd-ans summary::before {
  content: '▶';
  font-size: 10px;
  transition: transform 0.2s;
}
.dotd-ans[open] summary::before { transform: rotate(90deg); }
.dotd-ans-body {
  background: rgba(255,255,255,0.04);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-light);
  margin-top: 8px;
  line-height: 1.6;
}
.dotd-meta {
  font-size: 12px;
  color: var(--gray);
  margin-top: 10px;
}

/* ── Doubts Grid — /doubts page (Task 10) ───────────────────── */
.doubts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
}
.doubt-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.doubt-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(0,0,0,0.3); }
.doubt-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.doubt-subject-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 10px;
  text-transform: uppercase;
}
.doubt-date { font-size: 12px; color: var(--gray); margin-left: auto; }
.doubt-question {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 10px;
  line-height: 1.5;
}
.doubt-answer {
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
  margin-top: 4px;
}

/* ── Important Dates Timeline (Task 6) ──────────────────────── */
.dates-timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.date-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: box-shadow 0.2s;
}
.date-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.25); }
.date-item.past { opacity: 0.6; }
.date-dot {
  width: 12px;
  height: 12px;
  min-width: 12px;
  border-radius: 50%;
  margin-top: 4px;
}
.date-dot.exam     { background: #f87171; }
.date-dot.result   { background: #34d399; }
.date-dot.holiday  { background: #60a5fa; }
.date-dot.other    { background: #a78bfa; }
.date-content { flex: 1; }
.date-content h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 4px;
}
.date-content p {
  font-size: 13px;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.date-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.exam-tag    { background: rgba(248,113,113,0.15); color: #f87171; }
.result-tag  { background: rgba(52,211,153,0.15);  color: #34d399; }
.holiday-tag { background: rgba(96,165,250,0.15);  color: #60a5fa; }
.other-tag   { background: rgba(167,139,250,0.15); color: #a78bfa; }
.passed-pill {
  font-size: 10px;
  font-weight: 700;
  background: rgba(255,255,255,0.08);
  color: var(--gray);
  padding: 2px 8px;
  border-radius: 8px;
  text-transform: uppercase;
}

/* ── Announcements Ticker (Task 14) ─────────────────────────── */
.ann-ticker {
  background: rgba(255,107,53,0.08);
  border: 1px solid rgba(255,107,53,0.2);
  border-radius: 10px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  margin: 8px 0;
}
.ann-ticker-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ann-ticker-scroll {
  display: flex;
  align-items: center;
  gap: 20px;
  overflow: hidden;
  flex: 1;
  animation: tickerScroll 28s linear infinite;
  white-space: nowrap;
}
.ann-ticker-scroll:hover { animation-play-state: paused; }
@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ann-item {
  font-size: 13px;
  font-weight: 600;
  padding: 2px 0;
  white-space: nowrap;
}
.ann-item.ann-important { color: #f87171; }
.ann-item.ann-info      { color: var(--text-light); }
.ann-item.ann-new-content { color: #34d399; }
.ann-sep { color: var(--gray); opacity: 0.5; }

/* ── Announcements Page — /announcements (Task 14) ──────────── */
.ann-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ann-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 18px 22px;
  border-left: 4px solid var(--orange);
  transition: transform 0.2s;
}
.ann-card:hover { transform: translateX(4px); }
.ann-card.ann-important { border-left-color: #f87171; }
.ann-card.ann-info      { border-left-color: #60a5fa; }
.ann-card.ann-new-content { border-left-color: #34d399; }
.ann-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.ann-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
}
.ann-type-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 10px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.ann-type-important  { background: rgba(248,113,113,0.15); color: #f87171; }
.ann-type-info       { background: rgba(96,165,250,0.15);  color: #60a5fa; }
.ann-type-new-content{ background: rgba(52,211,153,0.15);  color: #34d399; }
.ann-card-body {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 8px;
}
.ann-card-date {
  font-size: 12px;
  color: var(--gray);
  opacity: 0.7;
}

/* ── PYQ Page (Task 9) ──────────────────────────────────────── */
.pyq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.pyq-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pyq-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
.pyq-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.pyq-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 10px;
  background: rgba(255,107,53,0.15);
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.pyq-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.4;
}
.pyq-chapter {
  font-size: 13px;
  color: var(--gray);
}
.pyq-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* ── Leaderboard (Task 5) ───────────────────────────────────── */
.lb-card {
  background: var(--card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 20px;
}
.lb-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.lb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.lb-table thead th {
  text-align: left;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.lb-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.15s;
}
.lb-table tbody tr:hover { background: rgba(255,255,255,0.03); }
.lb-table td {
  padding: 10px 12px;
  color: var(--text-light);
  vertical-align: middle;
}
.lb-rank {
  font-weight: 800;
  font-size: 16px;
  width: 36px;
}
.lb-rank.gold   { color: #fbbf24; }
.lb-rank.silver { color: #94a3b8; }
.lb-rank.bronze { color: #cd7f32; }
.lb-name { font-weight: 600; }
.lb-score { font-weight: 700; color: var(--orange); }
.lb-streak-num { font-weight: 700; color: #f97316; }

.lb-toppers {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}
.lb-topper-card {
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  transition: transform 0.2s;
}
.lb-topper-card:hover { transform: translateY(-3px); }
.lb-topper-card.physics    { border-color: rgba(96,165,250,0.3); }
.lb-topper-card.chemistry  { border-color: rgba(52,211,153,0.3); }
.lb-topper-card.mathematics{ border-color: rgba(251,191,36,0.3); }
.lt-icon {
  font-size: 26px;
  margin-bottom: 8px;
}
.lt-crown {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.lt-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-light);
}
.lt-score {
  font-size: 12px;
  color: var(--gray);
  margin-top: 4px;
}

/* ── 404 Page (Task 19) ─────────────────────────────────────── */
.nf-section {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px;
}
.nf-icon {
  font-size: 64px;
  color: var(--orange);
  opacity: 0.7;
  margin-bottom: 16px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { transform: scale(1); opacity: 0.7; }
  50%      { transform: scale(1.08); opacity: 1; }
}
.nf-code {
  font-size: 96px;
  font-weight: 900;
  color: var(--orange);
  line-height: 1;
  opacity: 0.15;
  margin: -10px 0 0;
  letter-spacing: -4px;
}
.nf-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-light);
  margin: 12px 0 8px;
}
.nf-sub {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 28px;
  max-width: 380px;
}
.nf-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── Section Heading with View All link ─────────────────────── */
.section-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-heading-row h2 { margin-bottom: 0; }

/* ── Responsive Day 5 ───────────────────────────────────────── */
@media (max-width: 768px) {
  .cd-num         { font-size: 28px; }
  .cd-unit        { min-width: 52px; }
  .cd-timer       { gap: 10px; }
  .badges-grid    { grid-template-columns: repeat(3, 1fr); }
  .doubts-grid    { grid-template-columns: 1fr; }
  .pyq-grid       { grid-template-columns: 1fr; }
  .lb-toppers     { grid-template-columns: 1fr 1fr; }
  .nf-code        { font-size: 64px; }
  .nf-title       { font-size: 22px; }
  .tab-bar        { gap: 4px; }
  .tab-btn        { padding: 8px 14px; font-size: 13px; }
}


/* ── Policy Pages (Privacy & Terms) ─────────────────────────── */
.policy-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.policy-section {
  background: var(--card-bg);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  margin-bottom: 20px;
}
.policy-section h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.policy-section p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 10px;
  font-size: 15px;
}
.policy-section ul {
  padding-left: 20px;
  margin-bottom: 10px;
}
.policy-section ul li {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 6px;
  font-size: 15px;
}
.policy-section code {
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
  font-size: 13px;
  color: var(--orange);
}
@media (max-width: 600px) {
  .policy-section { padding: 20px 18px; }
  .policy-section h2 { font-size: 16px; }
}