/* ============================================================
   Modern Nest Co. Main Stylesheet
   Author: Modern Nest Co.
   Description: All site-wide styles, responsive layout, themes,
   transitions, typography, menu, and component styles.
   ============================================================ */

/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=DM+Sans:wght@300;400;500;600&family=DM+Mono:wght@400;500&display=swap');

/* ─── CSS Variables: Default (Autumn) Theme ────────────────── */
:root {
  --bg:           #f9f5f0;
  --bg-alt:       #f0e9df;
  --surface:      #ffffff;
  --border:       #ddd4c8;
  --text:         #2c2118;
  --text-muted:   #7a6a5a;
  --accent:       #b05c2e;
  --accent-light: #e8c4a8;
  --accent-dark:  #7d3d18;
  --nav-bg:       #2c2118;
  --nav-text:     #f0e9df;
  --hero-overlay: rgba(44,33,24,0.45);
  --card-shadow:  0 4px 24px rgba(44,33,24,0.10);
  --radius:       8px;
  --radius-lg:    16px;
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --transition:   0.3s ease;
}

/* ─── Theme: Winter ─────────────────────────────────────────── */
body.theme-winter {
  --bg:           #f0f4f8;
  --bg-alt:       #dce8f0;
  --surface:      #ffffff;
  --border:       #b8cfdf;
  --text:         #1a2a38;
  --text-muted:   #5a7a90;
  --accent:       #2e6da4;
  --accent-light: #aacde8;
  --accent-dark:  #1a4a72;
  --nav-bg:       #1a2a38;
  --nav-text:     #dce8f0;
  --hero-overlay: rgba(26,42,56,0.50);
  --card-shadow:  0 4px 24px rgba(26,42,56,0.10);
}

/* ─── Theme: Spring ─────────────────────────────────────────── */
body.theme-spring {
  --bg:           #f5f9f0;
  --bg-alt:       #e4f0da;
  --surface:      #ffffff;
  --border:       #c4dab8;
  --text:         #1e2e18;
  --text-muted:   #5a7a50;
  --accent:       #4a8c38;
  --accent-light: #b4d8a8;
  --accent-dark:  #2e5e22;
  --nav-bg:       #1e2e18;
  --nav-text:     #e4f0da;
  --hero-overlay: rgba(30,46,24,0.45);
  --card-shadow:  0 4px 24px rgba(30,46,24,0.10);
}

/* ─── Theme: Summer ─────────────────────────────────────────── */
body.theme-summer {
  --bg:           #fffbf0;
  --bg-alt:       #fff0cc;
  --surface:      #ffffff;
  --border:       #e8d48a;
  --text:         #2e2400;
  --text-muted:   #8a6a00;
  --accent:       #c89600;
  --accent-light: #ffe8a0;
  --accent-dark:  #8a6a00;
  --nav-bg:       #2e2400;
  --nav-text:     #fff0cc;
  --hero-overlay: rgba(46,36,0,0.45);
  --card-shadow:  0 4px 24px rgba(46,36,0,0.10);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  min-height: 100vh;
}

/* ─── Typography ────────────────────────────────────────────── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.25;
  color: var(--text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; color: var(--text); }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }

/* ─── Navigation ────────────────────────────────────────────── */
#main-nav {
  background: var(--nav-bg);
  color: var(--nav-text);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,0,0,0.15);
  transition: background var(--transition);
}

.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: 68px;
}

/* Logo */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--nav-text) !important;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.nav-logo span { color: var(--accent); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 0;
  list-style: none;
}

.nav-links > li { position: relative; }

.nav-links > li > a,
.nav-links > li > button {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.55rem 0.9rem;
  color: var(--nav-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav-links > li > a:hover,
.nav-links > li > button:hover { background: rgba(255,255,255,0.10); color: #fff; }

/* Dropdown menus */
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow);
  min-width: 200px;
  overflow: hidden;
  z-index: 200;
}

.nav-links > li:hover .dropdown { display: block; }

.dropdown a {
  display: block;
  padding: 0.65rem 1.2rem;
  color: var(--text);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.dropdown a:last-child { border-bottom: none; }
.dropdown a:hover { background: var(--bg-alt); color: var(--accent); }

/* Nav right actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Theme switcher */
.theme-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform 0.15s;
  white-space: nowrap;
}
.theme-btn:hover { background: var(--accent-dark); transform: scale(1.04); }

/* Help link */
.help-link {
  color: var(--nav-text) !important;
  font-size: 0.85rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 20px;
  transition: all var(--transition);
}
.help-link:hover { background: rgba(255,255,255,0.15); color: #fff !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile nav */
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--nav-bg);
  padding: 1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  color: var(--nav-text);
  padding: 0.55rem 0;
  font-size: 0.95rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.mobile-nav a:hover { color: var(--accent); }

/* ─── Hero / Banner ─────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-alt);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('hero-banner.jpg');
  background-size: cover;
  background-position: center;
  transition: transform 8s ease;
}
.hero:hover .hero-bg { transform: scale(1.04); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--hero-overlay);
}

.hero-content {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 2rem;
  animation: fadeUp 0.9s ease both;
}

.hero-content h1 {
  color: #fff;
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
  margin-bottom: 1rem;
}
.hero-content p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.88);
  max-width: 540px;
  margin: 0 auto 1.8rem;
}

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.8rem;
  border-radius: 40px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
}
.btn-dark {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}
.btn-dark:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ─── Layout Helpers ────────────────────────────────────────── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

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

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 { margin-bottom: 0.5rem; }
.section-header p { color: var(--text-muted); max-width: 540px; margin: 0 auto; }

.divider {
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 0.75rem auto 0;
  border-radius: 2px;
}

/* ─── Product Grid ──────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.8rem;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(44,33,24,0.14);
}

.product-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.product-card:hover img { transform: scale(1.04); }

.product-card-body {
  padding: 1.2rem 1.4rem 1.4rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.3rem;
}

.product-price {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.8rem;
}

.product-card-body p {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1rem;
}

/* ─── Category Badges ───────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--accent-light);
  color: var(--accent-dark);
  margin-bottom: 0.5rem;
}

/* ─── Quote Banner ──────────────────────────────────────────── */
#quote-section {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 4rem 2rem;
  text-align: center;
}
#quote-section blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-style: italic;
  max-width: 720px;
  margin: 0 auto 1rem;
  color: inherit;
  line-height: 1.4;
}
#quote-section cite {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--accent-light);
  letter-spacing: 0.05em;
}
#quote-refresh {
  margin-top: 1.4rem;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--nav-text);
  padding: 0.4rem 1.1rem;
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all var(--transition);
}
#quote-refresh:hover { background: rgba(255,255,255,0.12); }

/* ─── Forms ─────────────────────────────────────────────────── */
.form-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  max-width: 640px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.4rem;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-group textarea { min-height: 120px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* Result box */
.result-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  margin-top: 1.2rem;
  display: none;
}
.result-box.visible { display: block; animation: fadeUp 0.4s ease; }

/* ─── Table ─────────────────────────────────────────────────── */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.styled-table th {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 500;
}
.styled-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.styled-table tr:hover td { background: var(--bg-alt); }

/* ─── Wiki ──────────────────────────────────────────────────── */
.wiki-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 2rem;
  align-items: start;
}

.wiki-sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 88px;
}

.wiki-sidebar h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 0.8rem;
}

.wiki-sidebar a {
  display: block;
  padding: 0.4rem 0.5rem;
  font-size: 0.875rem;
  color: var(--text);
  border-radius: 4px;
  transition: all var(--transition);
}
.wiki-sidebar a:hover,
.wiki-sidebar a.active {
  background: var(--accent-light);
  color: var(--accent-dark);
  padding-left: 0.9rem;
}

.wiki-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}
.wiki-content h2 { margin-bottom: 1rem; }
.wiki-content h3 { margin: 1.8rem 0 0.6rem; color: var(--accent-dark); }
.wiki-content p, .wiki-content li { color: var(--text); line-height: 1.8; margin-bottom: 0.5rem; }
.wiki-content ul, .wiki-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.wiki-content code {
  font-family: var(--font-mono);
  background: var(--bg-alt);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--accent-dark);
}
.wiki-content pre {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 1rem 0;
  line-height: 1.6;
}

/* ─── About Page ────────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.about-img {
  border-radius: var(--radius-lg);
  width: 100%;
  height: 400px;
  object-fit: cover;
  box-shadow: var(--card-shadow);
}

/* ─── Stats Bar ─────────────────────────────────────────────── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 3rem 0;
}
.stat-item {
  background: var(--surface);
  padding: 2rem;
  text-align: center;
}
.stat-item .stat-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  color: var(--accent);
  display: block;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ─── Video Grid ────────────────────────────────────────────── */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.video-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}
.video-card video {
  width: 100%;
  display: block;
  max-height: 220px;
  object-fit: cover;
}
.video-card-body { padding: 1.1rem 1.3rem; }
.video-card-body h4 { margin-bottom: 0.3rem; }
.video-card-body p { font-size: 0.875rem; color: var(--text-muted); margin: 0; }

/* ─── Contact Page ──────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2.5rem;
  align-items: start;
}
.contact-info { padding-top: 0.5rem; }
.contact-info h3 { margin-bottom: 0.6rem; }
.contact-detail {
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  margin-bottom: 1.2rem;
}
.contact-detail .icon {
  font-size: 1.3rem;
  min-width: 32px;
}
.contact-detail p { margin: 0; color: var(--text-muted); font-size: 0.9rem; }

/* ─── Page Header ───────────────────────────────────────────── */
.page-header {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 4rem 2rem;
  text-align: center;
}
.page-header h1 { color: #fff; margin-bottom: 0.5rem; }
.page-header p { color: rgba(255,255,255,0.7); max-width: 540px; margin: 0 auto; }
.breadcrumb {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  margin-bottom: 0.8rem;
}
.breadcrumb a { color: var(--accent-light); }

/* ─── Footer ────────────────────────────────────────────────── */
footer {
  background: var(--nav-bg);
  color: var(--nav-text);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: rgba(255,255,255,0.55);
  font-size: 0.875rem;
  margin-top: 0.8rem;
  max-width: 260px;
}
.footer-brand .brand-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #fff;
}
.footer-brand .brand-name span { color: var(--accent); }

.footer-col h5 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1rem;
  font-weight: 500;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  padding: 0.25rem 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.35);
}

/* ─── Utility ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.hidden { display: none !important; }

/* Toast notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--text);
  color: var(--bg);
  padding: 0.9rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
  z-index: 9999;
  opacity: 0;
  transform: translateY(16px);
  transition: all 0.35s ease;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ─── Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.animate-on-scroll.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid  { grid-template-columns: 1fr; }
  .wiki-layout { grid-template-columns: 1fr; }
  .wiki-sidebar { position: static; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .form-row  { grid-template-columns: 1fr; }
  .hero { min-height: 420px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .section { padding: 3rem 0; }
}

@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .nav-inner { padding: 0 1rem; }
  h1 { font-size: 1.9rem; }
}

/* ─── Print ─────────────────────────────────────────────────── */
@media print {
  #main-nav, footer, .theme-btn, #quote-section { display: none; }
  body { background: #fff; color: #000; }
}