/* ================================================
   QIEEBIKE — Global Stylesheet
   Apple-Inspired Light Theme
   ================================================ */

/* ---------- CSS Variables ---------- */
:root {
  --white: #ffffff;
  --off-white: #fbfbfd;
  --gray-50: #f5f5f7;
  --gray-100: #e8e8ed;
  --gray-200: #d2d2d7;
  --gray-300: #86868b;
  --gray-400: #6e6e73;
  --gray-500: #1d1d1f;
  --black: #1d1d1f;
  --black-900: #000000;
  --accent: #e63946;
  --accent-dark: #c5303c;
  --accent-light: #ff6b6b;
  --accent-glow: rgba(230, 57, 70, 0.08);

  /* Apple-style font stack */
  --font-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

  --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --nav-height: 64px;
}

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

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--gray-500);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  padding-top: var(--nav-height);
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--black); line-height: 1.15; font-weight: 600; letter-spacing: -0.02em; }

/* ---------- Utility ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1440px; margin: 0 auto; padding: 0 40px; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.nav.scrolled {
  border-bottom: 1px solid var(--gray-100);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.nav-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-center {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav-center a {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  padding: 0 18px;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: color 0.2s;
  letter-spacing: 0.02em;
  position: relative;
  text-transform: uppercase;
}

.nav-center a:hover,
.nav-center a.active {
  color: var(--black);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-social {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-social a {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  color: var(--gray-400);
}

.nav-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.nav-social a svg { width: 14px; height: 14px; }

/* Products dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 6px;
  margin-top: -2px;
  transition: transform 0.2s;
}

.nav-dropdown:hover > a::after {
  transform: rotate(-135deg);
  margin-top: 2px;
}

.dropdown-menu {
  position: absolute;
  top: var(--nav-height);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  min-width: 220px;
  padding: 10px 0;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  font-size: 13px;
  padding: 12px 24px;
  height: auto;
  display: block;
  color: var(--gray-400);
  transition: background 0.15s, color 0.15s;
  text-transform: none;
}

.dropdown-menu a:hover {
  background: var(--gray-50);
  color: var(--black);
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--black);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.hero-banner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
}

.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero-banner::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.6) 40%, transparent 100%);
}

.hero-content {
  text-align: center;
  padding: 60px 24px;
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding-bottom: 80px;
}

.hero-eyebrow {
  font-size: 15px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-title {
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--gray-400);
  font-weight: 400;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Series Grid ---------- */
.series-section {
  padding: 100px 24px;
  background: var(--gray-50);
}

.series-section .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.series-section .section-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.series-section .section-header p {
  font-size: 18px;
  color: var(--gray-400);
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.series-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.series-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.series-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.series-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.6s ease;
  mix-blend-mode: multiply;
}

.series-card:hover .series-card-img img {
  transform: scale(1.05);
}

.series-card-body {
  padding: 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.series-card-tag {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.series-card-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.series-card-desc {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.5;
  flex: 1;
}

.series-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  margin-top: 20px;
  transition: gap 0.2s;
}

.series-card-link:hover { gap: 12px; }

.series-card-link svg { width: 18px; height: 18px; }

/* ---------- Features Section ---------- */
.features-section {
  padding: 100px 24px;
  background: var(--white);
}

.features-section .section-header {
  text-align: center;
  margin-bottom: 60px;
}

.features-section .section-header h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 12px;
}

.features-section .section-header p {
  font-size: 18px;
  color: var(--gray-400);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-item {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius);
  background: var(--gray-50);
  transition: transform 0.3s;
}

.feature-item:hover { transform: translateY(-4px); }

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg { width: 32px; height: 32px; color: var(--accent); }

.feature-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
  font-weight: 600;
}

.feature-item p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 120px 24px;
  text-align: center;
  background: var(--gray-50);
}

.cta-section h2 {
  font-size: clamp(36px, 5vw, 56px);
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.cta-section p {
  font-size: 18px;
  color: var(--gray-400);
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--white);
  font-size: 14px;
  font-weight: 500;
  border-radius: 980px;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  letter-spacing: 0;
}

.btn-primary:hover { background: var(--accent-dark); transform: scale(1.02); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  border-radius: 980px;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}

.btn-secondary:hover { background: var(--accent); color: var(--white); transform: scale(1.02); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--black);
  font-size: 14px;
  font-weight: 500;
  border-radius: 980px;
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-300); transform: scale(1.02); }

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  transition: gap 0.2s;
}

.btn-text:hover { gap: 10px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  padding: 16px 0;
  font-size: 13px;
  color: var(--gray-300);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--nav-height);
}

.breadcrumb a {
  color: var(--gray-400);
  transition: color 0.2s;
}

.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--gray-200); }

/* ---------- Page Hero ---------- */
.page-hero {
  padding: 60px 24px 40px;
  text-align: center;
  background: var(--white);
}

.page-hero h1 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 18px;
  color: var(--gray-400);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ---------- Products Grid (Series Pages) ---------- */
.products-section,
.section {
  padding: 40px 24px 100px;
  background: var(--white);
}

.products-grid {
  display: grid;
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

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

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: transform 0.35s, box-shadow 0.35s, border-color 0.35s;
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

/* Image container - taller, transparent background to blend with page */
.product-card .product-img,
.product-card-img {
  width: 100%;
  height: 360px;
  background: transparent;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.product-card .product-img img,
.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.5s;
  mix-blend-mode: multiply;
}

.product-card:hover .product-img img,
.product-card:hover .product-card-img img { transform: scale(1.05); }

/* Flagship badge */
.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--accent);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 980px;
  z-index: 2;
}

/* Card body / info - grid layout to push button to bottom */
.product-card-body,
.product-card .product-info {
  padding: 28px;
  flex: 1;
  display: grid;
  grid-template-rows: auto auto auto 1fr auto;
  gap: 0;
}

.product-card-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.product-card-title,
.product-card .product-info h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.product-card-desc {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 20px;
  line-height: 1.5;
}

.product-card .product-tagline {
  font-size: 14px;
  color: var(--gray-400);
  margin-bottom: 16px;
  line-height: 1.5;
}

/* Specs row on series pages */
.product-card-specs {
  display: flex;
  gap: 24px;
  margin-bottom: 20px;
}

.product-card-specs .spec {
  text-align: left;
}

.product-card-specs .spec-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
}

.product-card-specs .spec-label {
  font-size: 11px;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-card .product-specs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.product-card .product-specs span {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  background: var(--gray-50);
  padding: 6px 12px;
  border-radius: 6px;
}

/* Push button to bottom of card for perfect alignment */
.product-card .btn {
  align-self: start;
  justify-self: start;
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  transition: gap 0.2s;
}

.product-card-link:hover { gap: 10px; }

.product-card-link svg { width: 14px; height: 14px; }

/* ---------- Product Detail Page ---------- */
.product-detail-section {
  padding: 20px 24px 100px;
  background: var(--white);
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 420px;
}

.product-gallery img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.product-info-section {
  padding: 10px 0;
}

.product-info-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.product-info-title {
  font-size: clamp(36px, 4vw, 48px);
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.product-info-desc {
  font-size: 17px;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 32px;
}

.product-highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.highlight-item {
  text-align: center;
  padding: 20px 12px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
}

.highlight-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
  display: block;
}

.highlight-label {
  font-size: 11px;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 36px;
}

.spec-table th {
  text-align: left;
  padding: 14px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-300);
  border-bottom: 1px solid var(--gray-100);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-table td {
  padding: 14px 16px;
  font-size: 15px;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-100);
}

.spec-table tr:last-child th,
.spec-table tr:last-child td {
  border-bottom: none;
}

.product-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--gray-50);
  border-top: 1px solid var(--gray-100);
  padding: 60px 24px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: 1300px;
  margin: 0 auto;
}

.footer-brand .footer-logo {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-brand .footer-logo span { color: var(--accent); }

.footer-brand p {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  color: var(--gray-400);
}

.footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

.footer-social a svg { width: 16px; height: 16px; }

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--gray-400);
  padding: 5px 0;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--black); }

.footer-bottom {
  max-width: 1300px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 12px;
  color: var(--gray-300);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 12px;
  color: var(--gray-300);
}

.footer-bottom-links a:hover { color: var(--gray-400); }

/* ---------- About Page ---------- */
.about-hero {
  padding: 80px 24px 40px;
  text-align: center;
  background: var(--white);
  margin-top: var(--nav-height);
}

.about-content {
  padding: 40px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text p {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 16px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 32px;
}

.about-stat-item .stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.about-stat-item .stat-label {
  font-size: 13px;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-image {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--gray-50);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- Contact Page ---------- */
.contact-section {
  padding: 40px 24px 100px;
  max-width: 1200px;
  margin: 0 auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.contact-info > p {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gray-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon svg { width: 20px; height: 20px; color: var(--accent); }

.contact-item-text h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-item-text p {
  font-size: 14px;
  color: var(--gray-400);
}

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius);
  padding: 40px;
}

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xs);
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
}

.form-group textarea { min-height: 120px; resize: vertical; }

/* ---------- FAQ Page ---------- */
.faq-section {
  padding: 40px 24px 100px;
  max-width: 860px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* FAQ category headers */
.faq-category {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-top: 40px;
  margin-bottom: 8px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--accent);
}
.faq-category:first-of-type {
  margin-top: 0;
}

.faq-item {
  border-bottom: 1px solid var(--gray-100);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 16px;
  font-weight: 500;
  color: var(--black);
  font-family: var(--font-body);
  transition: color 0.2s;
}

.faq-question:hover { color: var(--accent); }

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--gray-300);
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-item.open .faq-question svg { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s;
}

.faq-item.open .faq-answer {
  max-height: 600px;
  padding-bottom: 24px;
}

.faq-answer p {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 12px;
}

.faq-answer ul {
  margin: 8px 0 12px 20px;
  padding: 0;
}

.faq-answer li {
  font-size: 15px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 6px;
}

.faq-answer a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}
.faq-answer a:hover { text-decoration: underline; }

/* FAQ CTA box */
.faq-cta {
  text-align: center;
  margin-top: 60px;
  padding: 48px 32px;
  background: var(--gray-50);
  border-radius: var(--radius);
}
.faq-cta h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 12px;
}
.faq-cta p {
  font-size: 16px;
  color: var(--gray-400);
  margin-bottom: 24px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Content Page (Warranty etc.) ---------- */
.content-page {
  padding: 40px 24px 100px;
  max-width: 800px;
  margin: 0 auto;
}

.content-page-inner h2 {
  font-size: 28px;
  margin-top: 40px;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.content-page-inner h3 {
  font-size: 20px;
  margin-top: 28px;
  margin-bottom: 12px;
}

.content-page-inner p {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.7;
  margin-bottom: 16px;
}

.content-page-inner ul {
  margin-bottom: 16px;
  padding-left: 0;
}

.content-page-inner li {
  font-size: 16px;
  color: var(--gray-400);
  line-height: 1.7;
  padding: 6px 0 6px 24px;
  position: relative;
}

.content-page-inner li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Animations ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-up { animation: fadeUp 0.8s ease forwards; }
.fade-up-delay-1 { animation-delay: 0.15s; opacity: 0; }
.fade-up-delay-2 { animation-delay: 0.3s; opacity: 0; }
.fade-up-delay-3 { animation-delay: 0.45s; opacity: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .series-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-image { order: -1; max-height: 350px; }
}

@media (max-width: 768px) {
  :root { --nav-height: 52px; }

  .nav-center {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 80px 30px 30px;
    gap: 0;
    transition: right 0.35s;
    box-shadow: var(--shadow-xl);
    align-items: flex-start;
  }

  .nav-center.open { right: 0; }

  .nav-center a {
    font-size: 16px;
    padding: 14px 0;
    height: auto;
  }

  .nav-right { display: none; }

  .nav-toggle { display: flex; }

  .nav-dropdown .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    background: transparent;
    backdrop-filter: none;
    padding: 0 0 0 16px;
    min-width: auto;
    display: none;
  }

  .nav-dropdown.open-mobile .dropdown-menu {
    display: block;
  }

  .series-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
  .series-card { height: auto; }

  .products-grid.cols-2,
  .products-grid.cols-3 { grid-template-columns: 1fr; }

  .product-detail-grid { grid-template-columns: 1fr; gap: 30px; }
  .product-gallery { position: static; }

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

  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }

  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 17px; }

  .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

  .hero-banner::after { height: 80%; }
  .hero-content { padding-bottom: 40px; }
}

@media (max-width: 480px) {
  .product-highlights { grid-template-columns: 1fr 1fr; }
  .product-card-specs { flex-direction: column; gap: 12px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ---------- Brand Story Section ---------- */
.brand-story-section {
  padding: 100px 0;
  background: var(--white);
}

.brand-story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.brand-story-text .section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.brand-story-text h2 {
  font-family: var(--font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 20px;
}

.brand-story-text p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.brand-story-image {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.brand-story-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- Stats Section ---------- */
.stats-section {
  padding: 80px 0;
  background: var(--gray-50);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  padding: 30px 20px;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-300);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Series Intro Section ---------- */
.series-intro {
  padding: 60px 0 40px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.series-intro .section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.series-intro h2 {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 16px;
}

.series-intro p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--gray-400);
}

/* ---------- Product Detail Description ---------- */
.product-description {
  padding: 60px 0;
  border-top: 1px solid var(--gray-100);
}

.product-description .container {
  max-width: 900px;
  margin: 0 auto;
}

.product-description h2 {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 24px;
}

.product-description h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--black);
  margin-top: 32px;
  margin-bottom: 12px;
}

.product-description p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.product-description ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.product-description ul li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-400);
}

.product-description ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Blog List Page ---------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

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

.blog-card-img-link {
  display: block;
}

.blog-card-img {
  height: 220px;
  background: var(--gray-50);
  overflow: hidden;
}

.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-card-img img {
  transform: scale(1.03);
}

.blog-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.blog-tag {
  display: inline-block;
  background: rgba(230, 57, 70, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.blog-date {
  font-size: 13px;
  color: var(--gray-300);
}

.blog-card-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  line-height: 1.4;
  margin-bottom: 12px;
}

.blog-card-title a {
  color: inherit;
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--accent);
}

.blog-card-excerpt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--gray-400);
  flex: 1;
  margin-bottom: 20px;
}

.blog-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  margin-top: auto;
}

.blog-read-more svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s ease;
}

.blog-read-more:hover svg {
  transform: translateX(4px);
}

/* ---------- Blog Article Page ---------- */
.blog-article {
  padding: 60px 0 80px;
}

.blog-article-inner {
  max-width: 820px;
  margin: 0 auto;
}

.blog-article-img {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
  background: var(--gray-50);
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-article-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.blog-lead {
  font-size: 19px !important;
  line-height: 1.7 !important;
  color: var(--black) !important;
  font-weight: 400 !important;
  margin-bottom: 32px !important;
}

.blog-article-inner h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--black);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}

.blog-article-inner h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--black);
  margin-top: 28px;
  margin-bottom: 12px;
}

.blog-article-inner p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray-400);
  margin-bottom: 18px;
}

.blog-article-inner ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.blog-article-inner ul li {
  padding: 8px 0 8px 28px;
  position: relative;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-400);
  border-bottom: 1px solid var(--gray-100);
}

.blog-article-inner ul li:last-child {
  border-bottom: none;
}

.blog-article-inner ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.blog-cta-box {
  background: var(--gray-50);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 32px;
  margin: 48px 0 32px;
}

.blog-cta-box h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 10px;
  margin-top: 0 !important;
  padding-top: 0 !important;
  border-top: none !important;
}

.blog-cta-box p {
  font-size: 15px;
  color: var(--gray-400);
  margin-bottom: 20px;
}

.blog-nav-links {
  display: flex;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--gray-100);
  margin-top: 48px;
}

.blog-nav-links a {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.blog-nav-links a:hover {
  text-decoration: underline;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .brand-story-grid { grid-template-columns: 1fr; gap: 40px; }
  .brand-story-text h2 { font-size: 28px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-number { font-size: 32px; }
  .series-intro h2 { font-size: 24px; }
  .product-description h2 { font-size: 24px; }
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article-img { height: 240px; }
  .blog-article-inner h2 { font-size: 22px; }
  .blog-nav-links { flex-direction: column; gap: 12px; }
}