/* ===== DMAT Simulator – app.css ===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #2563EB;
  --primary-dark: #1d4ed8;
  --success: #16A34A;
  --danger: #DC2626;
  --warning: #D97706;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-600: #4B5563;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Outfit', sans-serif; color: var(--gray-900); background: var(--gray-50); line-height: 1.6; }

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 4rem 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .6rem 1.4rem; border-radius: 8px; font-family: inherit; font-size: .95rem; font-weight: 600; cursor: pointer; border: 2px solid transparent; transition: all .2s; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); text-decoration: none; color:#fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; text-decoration: none; }
.btn-sm { padding: .35rem .9rem; font-size: .85rem; }
.btn-lg { padding: .85rem 2rem; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--gray-900);
  text-decoration: none;
  transition: transform 0.2s ease;
}
.nav-brand:hover {
  transform: scale(1.02);
  text-decoration: none;
}
.brand-icon {
  font-size: 1.6rem;
  filter: drop-shadow(0 2px 4px rgba(37, 99, 235, 0.2));
}
.brand-accent {
  background: linear-gradient(135deg, #2563EB 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
}
.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  color: #4b5563 !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
}
.nav-links a:hover {
  color: var(--primary) !important;
  background: rgba(37, 99, 235, 0.06);
  text-decoration: none;
}
.nav-links a.active {
  color: var(--primary) !important;
  background: rgba(37, 99, 235, 0.08);
  text-decoration: none;
}

/* Premium Login Button Override */
.nav-links a.btn-primary {
  background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%) !important;
  color: #ffffff !important;
  border: none;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  padding: 0.5rem 1.4rem;
  border-radius: 25px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-links a.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
  background: linear-gradient(135deg, #1D4ED8 0%, #6D28D9 100%) !important;
  color: #ffffff !important;
}
.nav-links a.btn-primary svg {
  stroke: #ffffff !important;
}

/* Premium Logout Button Override */
.nav-links button.btn-outline {
  color: #ef4444 !important;
  border: 1.5px solid #fca5a5;
  border-radius: 20px;
  font-weight: 600;
  padding: 0.4rem 1rem;
  transition: all 0.25s ease;
  background: transparent;
}
.nav-links button.btn-outline:hover {
  background: #fef2f2;
  border-color: #ef4444;
  color: #ef4444 !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--gray-900);
}

/* Flash */
.flash { padding: .85rem 1.5rem; text-align: center; font-weight: 600; }
.flash-success { background: #d1fae5; color: #065f46; }
.flash-error   { background: #fee2e2; color: #991b1b; }

/* Hero */
.hero { background: linear-gradient(135deg, #1e3a8a 0%, #2563EB 50%, #0ea5e9 100%); color: #fff; padding: 5rem 0; }
.hero-inner { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: center; }
.hero-badge { display: inline-block; background: rgba(255,255,255,.2); border: 1px solid rgba(255,255,255,.3); padding: .3rem .9rem; border-radius: 20px; font-size: .85rem; font-weight: 600; margin-bottom: 1rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 1rem; }
.highlight { color: #fbbf24; }
.hero-sub { font-size: 1.1rem; opacity: .9; max-width: 540px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-stats { display: flex; flex-direction: column; gap: 1rem; }
.stat-card { background: rgba(255,255,255,.15); backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); padding: 1.2rem 1.8rem; text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; }
.stat-label { font-size: .85rem; opacity: .85; }

/* Features Grid */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { font-size: 2rem; font-weight: 700; margin-bottom: .5rem; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.feature-card { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--gray-200); transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(37,99,235,.12); }
.feature-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem; }
.feature-link { color: var(--primary); font-weight: 600; font-size: .9rem; }

/* CTA */
.cta-section { background: var(--gray-900); color: #fff; }
.cta-inner { text-align: center; }
.cta-inner h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: .5rem; }
.cta-contacts { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
.cta-contact-item { background: rgba(255,255,255,.1); padding: .6rem 1.2rem; border-radius: 8px; color: #fff; font-weight: 600; }
.cta-contact-item.whatsapp { background: #25d366; }

/* Page Header */
.page-header { margin-bottom: 2.5rem; }
.page-header h1 { font-size: 2rem; font-weight: 800; }
.page-header p { color: var(--gray-600); margin-top: .3rem; }

/* Filter Bar */
.filter-bar { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.form-input, .form-select, .form-textarea { font-family: inherit; font-size: .95rem; border: 2px solid var(--gray-200); border-radius: 8px; padding: .55rem 1rem; transition: border-color .2s; outline: none; background: #fff; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); }
.form-textarea { width: 100%; resize: vertical; }
.is-invalid { border-color: var(--danger) !important; }
.form-error { color: var(--danger); font-size: .82rem; margin-top: .2rem; display: block; }

/* Sets Grid */
.sets-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }
.set-card { background: #fff; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); border: 2px solid transparent; transition: all .2s; display: block; color: inherit; text-decoration: none; }
.set-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.set-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .75rem; }
.set-topic-badge { background: rgba(37,99,235,.1); color: var(--primary); font-size: .78rem; font-weight: 700; padding: .2rem .6rem; border-radius: 20px; }
.set-difficulty { font-size: .78rem; font-weight: 700; padding: .2rem .6rem; border-radius: 20px; }
.set-difficulty.easy   { background: #d1fae5; color: #065f46; }
.set-difficulty.medium { background: #fef3c7; color: #92400e; }
.set-difficulty.hard   { background: #fee2e2; color: #991b1b; }
.set-title { font-size: 1rem; font-weight: 700; margin-bottom: .75rem; }
.set-meta  { display: flex; justify-content: space-between; color: var(--gray-600); font-size: .85rem; }

/* Question view */
.question-layout { max-width: 760px; margin: 0 auto; }
.question-card { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); border: 1px solid var(--gray-200); }
.question-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.q-counter { font-size: .85rem; color: var(--gray-600); font-weight: 600; }
.bookmark-btn { background: none; border: none; font-size: 1.4rem; cursor: pointer; color: var(--primary); transition: transform .2s; }
.bookmark-btn:hover { transform: scale(1.2); }
.q-progress-bar { height: 4px; background: var(--gray-200); border-radius: 2px; margin-bottom: 1.5rem; overflow: hidden; }
.q-progress-fill { height: 100%; background: var(--primary); border-radius: 2px; transition: width .4s; }
.question-text { font-size: 1.1rem; font-weight: 600; margin-bottom: 1.5rem; line-height: 1.5; }
.options-list { display: flex; flex-direction: column; gap: .75rem; }
.option-btn { display: flex; align-items: center; gap: 1rem; text-align: left; background: var(--gray-50); border: 2px solid var(--gray-200); border-radius: 8px; padding: .85rem 1.2rem; cursor: pointer; font-family: inherit; font-size: .95rem; transition: all .2s; }
.option-btn:hover:not(:disabled) { border-color: var(--primary); background: rgba(37,99,235,.05); }
.option-btn.correct  { border-color: var(--success); background: #d1fae5; }
.option-btn.wrong    { border-color: var(--danger);  background: #fee2e2; }
.option-btn.selected { border-color: var(--primary); }
.option-label { background: var(--primary); color: #fff; border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 700; flex-shrink: 0; }
.explanation-box { background: #fefce8; border-left: 4px solid #fbbf24; border-radius: 0 8px 8px 0; padding: 1.2rem; margin-top: 1.5rem; }
.explanation-box h4 { font-size: .95rem; font-weight: 700; margin-bottom: .4rem; }
.hidden { display: none !important; }
.question-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1.5rem; }
.breadcrumb { font-size: .85rem; color: var(--gray-600); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--primary); }

/* Exam Wrapper */
.exam-wrapper { min-height: 100vh; display: flex; flex-direction: column; background: var(--gray-900); color: #fff; }
.exam-topbar { display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; background: #1f2937; border-bottom: 1px solid #374151; }
.exam-title { font-size: 1rem; font-weight: 700; }
.exam-timer { background: var(--primary); padding: .4rem 1.2rem; border-radius: 8px; font-size: 1.2rem; font-weight: 800; font-variant-numeric: tabular-nums; transition: background .5s; }
.exam-timer.warning { background: var(--warning); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.7} }
.exam-layout { display: grid; grid-template-columns: 1fr 220px; gap: 0; flex: 1; }
.exam-main { padding: 2rem; }
.exam-question { display: none; }
.exam-question.active { display: block; }
.q-counter-bar { font-size: .85rem; color: #9ca3af; margin-bottom: 1rem; }
.exam-options .option-btn { background: #1f2937; border-color: #374151; color: #fff; }
.exam-options .option-btn:hover:not(:disabled) { border-color: var(--primary); background: rgba(37,99,235,.2); }
.exam-options .option-btn.selected { border-color: var(--primary); background: rgba(37,99,235,.3); }
.exam-sidebar { background: #1f2937; border-left: 1px solid #374151; padding: 1.5rem 1rem; display: flex; flex-direction: column; }
.q-grid-legend { font-size: .75rem; color: #9ca3af; margin-bottom: 1rem; display: flex; flex-direction: column; gap: .3rem; }
.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: .4rem; }
.legend-dot.green { background: var(--success); }
.legend-dot.yellow { background: var(--warning); }
.legend-dot.gray  { background: #6b7280; }
.q-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: .35rem; }
.q-grid-btn { aspect-ratio: 1; border: none; border-radius: 6px; background: #374151; color: #fff; font-size: .75rem; font-weight: 600; cursor: pointer; transition: all .15s; }
.q-grid-btn.answered { background: var(--success); }
.q-grid-btn.current  { outline: 2px solid #fff; }
.exam-nav-footer { display: flex; justify-content: space-between; padding: 1rem 1.5rem; background: #1f2937; border-top: 1px solid #374151; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal-box { background: #fff; border-radius: var(--radius); padding: 2rem; max-width: 440px; width: 90%; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal-box h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: .75rem; }
.modal-actions { display: flex; gap: 1rem; margin-top: 1.5rem; justify-content: flex-end; }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.modal-close { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--gray-600); }

/* Result */
.result-card { background: #fff; border-radius: var(--radius); padding: 2.5rem; box-shadow: var(--shadow); text-align: center; margin-bottom: 2rem; }
.result-score-ring { position: relative; width: 160px; height: 160px; margin: 0 auto 1.5rem; }
.score-ring-svg { width: 100%; height: 100%; }
.score-ring-text { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.score-big { font-size: 2.5rem; font-weight: 800; color: var(--primary); }
.score-of  { font-size: .85rem; color: var(--gray-600); }
.result-stats-row { display: flex; justify-content: center; gap: 2rem; margin: 1.5rem 0; flex-wrap: wrap; }
.rs { display: flex; flex-direction: column; align-items: center; }
.rs-val { font-size: 1.8rem; font-weight: 800; }
.rs-val.green { color: var(--success); }
.rs-val.red   { color: var(--danger); }
.rs-val.gray  { color: var(--gray-600); }
.rs-label { font-size: .8rem; color: var(--gray-600); }
.chart-wrapper { max-width: 600px; margin: 2rem auto; }
.result-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 1.5rem; }
.answer-review { display: flex; flex-direction: column; gap: 1rem; }
.review-item { background: #fff; border-radius: 10px; padding: 1.2rem; border-left: 5px solid var(--gray-200); display: flex; gap: 1rem; }
.review-item.correct   { border-left-color: var(--success); }
.review-item.wrong     { border-left-color: var(--danger); }
.review-item.unanswered{ border-left-color: var(--warning); }
.review-qnum { font-size: .8rem; font-weight: 700; color: var(--gray-600); white-space: nowrap; }
.review-qtext { font-weight: 600; margin-bottom: .6rem; }
.review-options { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.review-option.is-correct { color: var(--success); font-weight: 700; }
.review-option.is-wrong   { color: var(--danger);  font-weight: 700; text-decoration: line-through; }
.review-explanation { margin-top: .6rem; font-size: .85rem; color: #92400e; background: #fef3c7; padding: .5rem .8rem; border-radius: 6px; }

/* Dashboard */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.stat-box { background: #fff; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); text-align: center; }
.stat-n { display: block; font-size: 2.2rem; font-weight: 800; color: var(--primary); }
.stat-l { font-size: .85rem; color: var(--gray-600); }
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.dash-card { background: #fff; border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.dash-card h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; }

/* Universities */
.uni-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.uni-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--gray-200); overflow: hidden; display: flex; flex-direction: column; }
.uni-logo { height: 100px; background: var(--gray-100); display: flex; align-items: center; justify-content: center; }
.uni-logo img { max-height: 80px; max-width: 80%; object-fit: contain; }
.uni-logo-placeholder { font-size: 3rem; }
.uni-body { padding: 1.2rem; flex: 1; }
.uni-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: .3rem; }
.uni-location { font-size: .85rem; color: var(--gray-600); margin-bottom: .3rem; }
.uni-score { font-size: .85rem; color: var(--gray-600); margin-bottom: .6rem; }
.uni-programs { display: flex; flex-wrap: wrap; gap: .3rem; }
.program-tag { background: var(--gray-100); font-size: .72rem; padding: .15rem .5rem; border-radius: 20px; }
.uni-footer { padding: .8rem 1.2rem; border-top: 1px solid var(--gray-200); display: flex; gap: .6rem; justify-content: flex-end; }
.helpline-banner { background: linear-gradient(135deg, #1e3a8a, #2563EB); color: #fff; border-radius: var(--radius); padding: 2rem; text-align: center; margin-top: 2rem; }
.helpline-contacts { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; margin-top: 1rem; }
.helpline-btn { background: rgba(255,255,255,.2); color: #fff; padding: .5rem 1.2rem; border-radius: 8px; font-weight: 600; transition: background .2s; }
.helpline-btn:hover { background: rgba(255,255,255,.35); text-decoration: none; }
.helpline-btn.wa { background: #25d366; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 380px; gap: 2rem; }
.contact-form-card, .contact-info-card { background: #fff; border-radius: var(--radius); padding: 1.8rem; box-shadow: var(--shadow); border: 1px solid var(--gray-200); margin-bottom: 1rem; }
.contact-list { list-style: none; line-height: 2; }
.whatsapp-link { color: #16a34a; font-weight: 600; }
.map-wrapper { border-radius: var(--radius); overflow: hidden; }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: .35rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-input, .form-select { width: 100%; }

/* Data Table */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th, .data-table td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--gray-200); }
.data-table th { font-weight: 700; color: var(--gray-600); background: var(--gray-50); }
.data-table tr:hover td { background: var(--gray-50); }
.unread-row td { font-weight: 700; }

/* Status badges */
.status-badge { padding: .2rem .7rem; border-radius: 20px; font-size: .78rem; font-weight: 700; }
.status-completed { background: #d1fae5; color: #065f46; }
.status-in_progress { background: #fef3c7; color: #92400e; }
.status-expired { background: #fee2e2; color: #991b1b; }

/* Auth required */
.auth-required-card { background: #fff; border-radius: var(--radius); padding: 3rem; text-align: center; max-width: 420px; margin: 4rem auto; box-shadow: var(--shadow); }
.auth-icon { font-size: 3rem; margin-bottom: 1rem; }
.google-btn { background: #4285f4; color: #fff; justify-content: center; margin: 1rem 0; width: 100%; }
.google-btn:hover { background: #3367d6; color: #fff; text-decoration: none; }

/* Footer */
.footer { background: var(--gray-900); color: #9ca3af; padding: 3rem 0 0; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 2rem; }
.footer-brand { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: .75rem; }
.footer-brand span { color: var(--primary); }
.footer-col h4 { font-size: .9rem; font-weight: 700; color: #fff; margin-bottom: .75rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: .4rem; }
.footer-col a { color: #9ca3af; transition: color .2s; font-size: .88rem; }
.footer-col a:hover { color: #fff; text-decoration: none; }
.footer-bottom { border-top: 1px solid #374151; margin-top: 2.5rem; padding: 1.2rem 0; text-align: center; font-size: .82rem; }
.footer-bottom a { color: #9ca3af; }

/* Pagination */
.pagination-wrap { display: flex; justify-content: center; gap: .5rem; margin-top: 2rem; flex-wrap: wrap; }
.pagination-wrap a, .pagination-wrap span { padding: .4rem .85rem; border-radius: 6px; border: 1px solid var(--gray-200); font-size: .88rem; background: #fff; }
.pagination-wrap .active span { background: var(--primary); color: #fff; border-color: var(--primary); }

/* Utility */
.mt-2 { margin-top: .5rem; } .mt-4 { margin-top: 1rem; }
.text-muted { color: var(--gray-600); } .small { font-size: .85rem; }
.empty-state { text-align: center; color: var(--gray-600); padding: 3rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--gray-200); flex-direction: column; padding: 1rem; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: row; }
  .stat-card { flex: 1; }
  .dash-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .exam-layout { grid-template-columns: 1fr; }
  .exam-sidebar { display: none; }
  .form-row { grid-template-columns: 1fr; }
}