/* ==========================================================================
   TACADEMY AS - Master Stylesheet
   Academic & Professional Education Portal (Clean Human Craft)
   ========================================================================== */

:root {
  --primary: #0f2444;
  --primary-dark: #09172c;
  --primary-light: #1b3a6b;
  --accent: #b8860b;
  --accent-light: #d4af37;
  --accent-subtle: #fbf7ee;
  --text-main: #1e293b;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-alt: #f1f5f9;
  --border-light: #e2e8f0;
  --border-focus: #b8860b;
  --success: #15803d;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(15, 36, 68, 0.08);
  --shadow-lg: 0 12px 28px rgba(15, 36, 68, 0.12);
  --font-serif: "Merriweather", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --transition: all 0.25s ease-in-out;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-page);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--accent);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--primary-dark);
  font-weight: 700;
  line-height: 1.3;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Top Header Bar & Navigation
   ========================================================================== */
.top-notice-bar {
  background-color: var(--primary-dark);
  color: #e2e8f0;
  font-size: 0.85rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-notice-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.top-meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.top-contact-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-contact-links a {
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.top-contact-links a:hover {
  color: var(--accent-light);
}

.site-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}

.brand-logo-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-crest {
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--primary-dark);
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 26px;
  align-items: center;
}

.main-nav a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--accent);
  transition: var(--transition);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

.nav-cta-btn {
  background-color: var(--accent);
  color: #ffffff !important;
  padding: 9px 18px !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-cta-btn:hover {
  background-color: #996e00;
  box-shadow: 0 4px 10px rgba(184, 134, 11, 0.3);
}

.nav-cta-btn::after {
  display: none !important;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-academic {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #ffffff;
  padding: 65px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero-academic::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184, 134, 11, 0.2);
  border: 1px solid var(--accent);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.hero-title {
  color: #ffffff;
  font-size: 2.7rem;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-desc {
  color: #cbd5e1;
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #996e00;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(184, 134, 11, 0.4);
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.hero-card {
  background: rgba(255, 255, 255, 0.97);
  color: var(--text-main);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--accent);
}

.hero-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.hero-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  text-align: center;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   Page Headers for Subpages
   ========================================================================== */
.subpage-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #ffffff;
  padding: 48px 0;
  border-bottom: 3px solid var(--accent);
}

.subpage-header h1 {
  color: #ffffff;
  font-size: 2.2rem;
  margin-bottom: 10px;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.breadcrumbs a {
  color: var(--accent-light);
}

.breadcrumbs span.current {
  color: #ffffff;
}

/* ==========================================================================
   Section Standard
   ========================================================================== */
.section {
  padding: 60px 0;
}

.section-alt {
  background-color: var(--bg-alt);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 45px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2rem;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   Card Grid / Faculty / Disciplines
   ========================================================================== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.academic-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.academic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(184, 134, 11, 0.4);
}

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
  margin-bottom: 20px;
  border: 1px solid rgba(184, 134, 11, 0.2);
}

.academic-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
  color: var(--primary-dark);
}

.academic-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-footer-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  font-size: 0.85rem;
  color: var(--text-light);
}

.badge-pill {
  background-color: var(--bg-alt);
  color: var(--primary);
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
}

/* ==========================================================================
   Interactive Course & Module Filter
   ========================================================================== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.filter-btn {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  padding: 8px 18px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

/* ==========================================================================
   Interactive Calculator Widget
   ========================================================================== */
.calc-widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 35px;
  box-shadow: var(--shadow-md);
  margin-top: 30px;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: var(--primary-dark);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background-color: #ffffff;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.15);
}

.calc-result-box {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #ffffff;
  padding: 30px;
  border-radius: var(--radius-md);
  text-align: center;
  border: 2px solid var(--accent);
}

.calc-result-box h4 {
  color: var(--accent-light);
  font-size: 1.1rem;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.calc-estimate-val {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
}

.calc-notes {
  font-size: 0.82rem;
  color: #cbd5e1;
}

/* ==========================================================================
   Accordion / Syllabi / FAQ
   ========================================================================== */
.accordion {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}

.accordion-item:hover {
  border-color: var(--accent);
}

.accordion-header {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--primary-dark);
  font-size: 1.05rem;
  background-color: var(--bg-surface);
  user-select: none;
}

.accordion-icon {
  font-size: 1.2rem;
  transition: transform 0.3s ease;
  color: var(--accent);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  padding: 0 22px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  display: none;
}

.accordion-item.active .accordion-body {
  display: block;
}

/* ==========================================================================
   Article / Blog Cards
   ========================================================================== */
.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  box-shadow: var(--shadow-sm);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-img-wrap {
  height: 190px;
  overflow: hidden;
  background-color: var(--bg-alt);
}

.article-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-img-wrap img {
  transform: scale(1.04);
}

.article-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.article-meta {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 10px;
  display: flex;
  gap: 12px;
}

.article-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
  line-height: 1.4;
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  flex-grow: 1;
}

.article-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ==========================================================================
   Compliance / Legal Pages Content
   ========================================================================== */
.legal-content-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 40px;
}

.legal-content-wrap h2 {
  font-size: 1.45rem;
  margin: 30px 0 14px;
  color: var(--primary);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.legal-content-wrap h2:first-of-type {
  margin-top: 0;
}

.legal-content-wrap h3 {
  font-size: 1.15rem;
  margin: 20px 0 10px;
  color: var(--primary-dark);
}

.legal-content-wrap p, 
.legal-content-wrap ul, 
.legal-content-wrap ol {
  margin-bottom: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.legal-content-wrap ul, 
.legal-content-wrap ol {
  padding-left: 24px;
}

.legal-content-wrap li {
  margin-bottom: 8px;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.legal-table th, 
.legal-table td {
  border: 1px solid var(--border-light);
  padding: 12px 16px;
  text-align: left;
}

.legal-table th {
  background-color: var(--bg-alt);
  color: var(--primary-dark);
  font-weight: 700;
}

.official-box {
  background-color: var(--accent-subtle);
  border-left: 4px solid var(--accent);
  padding: 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-size: 0.92rem;
}

/* ==========================================================================
   Contact / Forms & Maps
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
}

.contact-info-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item-text h4 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--primary);
}

.contact-item-text p,
.contact-item-text a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.map-embed-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  height: 280px;
  margin-top: 24px;
}

.map-embed-box iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

.form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.status-alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  display: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.status-alert.success {
  background-color: #dcfce7;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.status-alert.error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--primary-dark);
  color: #94a3b8;
  padding: 60px 0 25px;
  border-top: 4px solid var(--accent);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 45px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--accent);
}

.footer-col p {
  color: #94a3b8;
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 14px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-links a:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}

.footer-badge-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-reg-pill {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: #e2e8f0;
}

.footer-disclaimer-box {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-bottom: 30px;
  font-size: 0.82rem;
  color: #94a3b8;
  line-height: 1.55;
}

.footer-disclaimer-box strong {
  color: #cbd5e1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.82rem;
}

.footer-bottom a {
  color: #cbd5e1;
}

.footer-bottom a:hover {
  color: var(--accent-light);
}

/* ==========================================================================
   Interactive Modal / Dialog
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-md);
  max-width: 580px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  animation: modalFadeIn 0.3s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.modal-header {
  background: var(--primary-dark);
  color: #ffffff;
  padding: 18px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  color: #ffffff;
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 24px;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid,
  .contact-layout,
  .calc-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: #ffffff;
    box-shadow: var(--shadow-md);
    padding: 20px;
    border-top: 1px solid var(--border-light);
  }

  .main-nav.active {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .grid-3,
  .grid-2,
  .grid-4,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 2rem;
  }

  .top-notice-content {
    justify-content: center;
    text-align: center;
  }
}