/* ============================================
   ANATONO - DESIGN FISHING LIFE
   Main Stylesheet
   ============================================ */

/* === CSS Variables === */
:root {
  --primary: #0A1628;
  --primary-light: #132442;
  --secondary: #1A3058;
  --accent: #E85D3A;
  --accent-hover: #C94A2C;
  --accent-light: rgba(232, 93, 58, 0.08);
  --silver: #C8CCD0;
  --silver-dark: #889099;
  --bg: #F5F7FA;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --text: #1E2A3A;
  --text-light: #6B7D90;
  --text-muted: #9AABBA;
  --border: #E2E8F0;
  --border-light: #F0F3F7;
  --success: #27AE60;
  --warning: #F39C12;
  --shadow-sm: 0 1px 3px rgba(10, 22, 40, 0.06);
  --shadow: 0 4px 16px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 12px 40px rgba(10, 22, 40, 0.12);
  --radius: 10px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1240px;
  --header-height: 76px;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-height);
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* === Header / Navigation === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: var(--primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: background var(--transition), box-shadow var(--transition);
}
.header.scrolled {
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5em;
  font-weight: 800;
  color: #fff;
  letter-spacing: 1px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7em;
  color: #fff;
  font-weight: 900;
}
.logo-sub {
  font-size: 0.42em;
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--silver);
  text-transform: uppercase;
  display: block;
  line-height: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav a {
  color: rgba(255, 255, 255, 0.75);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.92em;
  font-weight: 500;
  transition: all var(--transition);
  position: relative;
}
.nav a:hover,
.nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.lang-switch {
  display: flex;
  gap: 4px;
  margin-left: 8px;
}
.lang-switch button {
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.78em;
  font-weight: 600;
  transition: all var(--transition);
}
.lang-switch button.active,
.lang-switch button:hover {
  color: #fff;
  border-color: var(--accent);
  background: rgba(232, 93, 58, 0.2);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6em;
  padding: 6px;
}

/* === Hero Section === */
.hero {
  position: relative;
  height: 88vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #06101E 0%, #0A1628 40%, #132442 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background: 
    radial-gradient(ellipse at 70% 30%, rgba(232, 93, 58, 0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 20% 70%, rgba(200, 204, 208, 0.06) 0%, transparent 50%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}
.hero-tag {
  display: inline-block;
  background: rgba(232, 93, 58, 0.15);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.85em;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  border: 1px solid rgba(232, 93, 58, 0.25);
}
.hero h1 {
  font-size: 3.6em;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 span {
  color: var(--accent);
}
.hero p {
  font-size: 1.15em;
  color: rgba(255, 255, 255, 0.65);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95em;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 93, 58, 0.35);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.3);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 20px;
  font-size: 0.85em;
}

.hero-visual {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 55%;
  max-width: 750px;
  z-index: 1;
}
.hero-reel {
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
  animation: floatUpDown 4s ease-in-out infinite;
}
@keyframes floatUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* === Section Common === */
.section {
  padding: 90px 0;
}
.section-dark {
  background: var(--primary);
  color: #fff;
}
.section-gray {
  background: var(--bg);
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  color: var(--accent);
  font-size: 0.82em;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-header h2 {
  font-size: 2.4em;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.section-dark .section-header h2 { color: #fff; }
.section-header p {
  color: var(--text-light);
  font-size: 1.05em;
  max-width: 600px;
  margin: 0 auto;
}
.section-dark .section-header p { color: rgba(255,255,255,0.55); }

/* === Feature Cards (Home Tech Highlights) === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--border-light);
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--accent-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  color: var(--accent);
}
.feature-card h3 {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 0.88em;
  color: var(--text-light);
  line-height: 1.6;
}

/* === Product Grid === */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--border-light);
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.product-img {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #F5F7FA, #E8ECF1);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.product-img img {
  width: 85%;
  height: auto;
  transition: transform 0.5s ease;
}
.product-card:hover .product-img img {
  transform: scale(1.06);
}
.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: 14px;
  font-size: 0.75em;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.product-info {
  padding: 20px;
}
.product-cat {
  font-size: 0.78em;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.product-info h3 {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 6px;
}
.product-info p {
  font-size: 0.85em;
  color: var(--text-light);
  line-height: 1.5;
}

/* === Technology Section === */
.tech-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.tech-split.reverse { direction: rtl; }
.tech-split.reverse > * { direction: ltr; }

.tech-point {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}
.tech-num {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1em;
  font-weight: 800;
  flex-shrink: 0;
}
.tech-text h4 {
  font-size: 1.05em;
  font-weight: 700;
  margin-bottom: 4px;
}
.tech-text p {
  font-size: 0.88em;
  color: var(--text-light);
}

.tech-image-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #0D1F3C, #132442);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

/* === Stats Bar === */
.stats-bar {
  background: var(--accent);
  color: #fff;
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stat-item .stat-num {
  font-size: 2.8em;
  font-weight: 800;
  line-height: 1.1;
}
.stat-item .stat-label {
  font-size: 0.88em;
  opacity: 0.8;
  margin-top: 6px;
}

/* === Service Flow === */
.service-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.service-step {
  background: var(--bg-card);
  padding: 32px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.service-step::after {
  content: '→';
  position: absolute;
  right: -18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4em;
  color: var(--accent);
  font-weight: 700;
}
.service-step:last-child::after { display: none; }
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2em;
  font-weight: 800;
  margin: 0 auto 14px;
}
.service-step h4 {
  font-size: 1em;
  font-weight: 700;
  margin-bottom: 6px;
}
.service-step p {
  font-size: 0.83em;
  color: var(--text-light);
}

/* === Warranty Cards === */
.warranty-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 32px;
}
.warranty-card {
  background: var(--bg-card);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}
.warranty-card.covered { border-left: 4px solid var(--success); }
.warranty-card.not-covered { border-left: 4px solid #E74C3C; }
.warranty-card h4 {
  font-size: 1.1em;
  font-weight: 700;
  margin-bottom: 14px;
}
.warranty-card ul li {
  padding: 5px 0;
  padding-left: 20px;
  position: relative;
  font-size: 0.9em;
  color: var(--text-light);
}
.warranty-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.warranty-card.covered ul li::before { background: var(--success); }
.warranty-card.not-covered ul li::before { background: #E74C3C; }

/* === About Timeline === */
.timeline {
  position: relative;
  padding-left: 40px;
  margin-top: 32px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  margin-bottom: 32px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 4px rgba(232, 93, 58, 0.15);
}
.timeline-year {
  font-size: 0.82em;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
}
.timeline-title {
  font-size: 1.05em;
  font-weight: 700;
  margin: 4px 0;
}
.timeline-text {
  font-size: 0.9em;
  color: var(--text-light);
}

/* === Contact Page === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h3 {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 20px;
}
.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2em;
  color: var(--accent);
  flex-shrink: 0;
}
.contact-detail h5 {
  font-size: 0.95em;
  font-weight: 700;
}
.contact-detail p {
  font-size: 0.88em;
  color: var(--text-light);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.88em;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.92em;
  transition: border-color var(--transition);
  background: #fff;
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(232, 93, 58, 0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* === News Grid === */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border: 1px solid var(--border-light);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.news-img {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #E8ECF1, #D5DDE5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3em;
}
.news-body {
  padding: 20px;
}
.news-date {
  font-size: 0.78em;
  color: var(--text-muted);
  font-weight: 500;
}
.news-body h4 {
  font-size: 1.05em;
  font-weight: 700;
  margin: 6px 0 8px;
  line-height: 1.4;
}
.news-body p {
  font-size: 0.85em;
  color: var(--text-light);
  line-height: 1.6;
}
.read-more {
  display: inline-block;
  color: var(--accent);
  font-size: 0.85em;
  font-weight: 600;
  margin-top: 10px;
  transition: all var(--transition);
}
.read-more:hover { color: var(--accent-hover); }

/* === Page Hero (Sub Pages) === */
.page-hero {
  background: linear-gradient(135deg, #06101E 0%, #0A1628 60%, #132442 100%);
  color: #fff;
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), transparent 80%);
}
.page-hero h1 {
  font-size: 2.8em;
  font-weight: 800;
  margin-bottom: 12px;
}
.page-hero p {
  font-size: 1.05em;
  color: rgba(255,255,255,0.55);
  max-width: 560px;
  margin: 0 auto;
}

/* === Product Detail Page === */
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  padding: 60px 0;
}
.product-gallery {
  background: var(--bg);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.product-meta h2 {
  font-size: 1.8em;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-meta .category-tag {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  padding: 4px 14px;
  border-radius: 14px;
  font-size: 0.82em;
  font-weight: 600;
  margin-bottom: 16px;
}
.product-meta .desc {
  color: var(--text-light);
  font-size: 0.95em;
  line-height: 1.8;
  margin-bottom: 24px;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}
.specs-table tr {
  border-bottom: 1px solid var(--border-light);
}
.specs-table td {
  padding: 10px 0;
  font-size: 0.9em;
}
.specs-table td:first-child {
  color: var(--text-light);
  font-weight: 500;
  width: 140px;
}
.specs-table td:last-child {
  font-weight: 600;
}

/* === Filter Bar === */
.filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 24px;
  background: #fff;
  border: 1.5px solid var(--border);
  font-size: 0.9em;
  font-weight: 600;
  color: var(--text-light);
  transition: all var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* === FAQ Accordion === */
.faq-list {
  max-width: 800px;
  margin: 32px auto 0;
}
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius);
  margin-bottom: 12px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  overflow: hidden;
}
.faq-q {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 0.98em;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}
.faq-q::after {
  content: '+';
  font-size: 1.3em;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-item.open .faq-q::after {
  content: '−';
}
.faq-a {
  padding: 0 24px 18px;
  font-size: 0.9em;
  color: var(--text-light);
  line-height: 1.7;
  display: none;
}
.faq-item.open .faq-a { display: block; }

/* === Footer === */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.65);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h5 {
  color: #fff;
  font-size: 1em;
  font-weight: 700;
  margin-bottom: 18px;
}
.footer-col p {
  font-size: 0.88em;
  line-height: 1.7;
}
.footer-col a {
  display: block;
  font-size: 0.88em;
  padding: 5px 0;
  color: rgba(255,255,255,0.5);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82em;
  flex-wrap: wrap;
  gap: 12px;
}
.social-links {
  display: flex;
  gap: 12px;
}
.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9em;
  color: rgba(255,255,255,0.5);
  transition: all var(--transition);
}
.social-links a:hover {
  background: var(--accent);
  color: #fff;
}

/* === Utilities === */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }

/* === Scroll To Top === */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2em;
  box-shadow: 0 4px 16px rgba(232, 93, 58, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* === SVG Icons === */
.svg-icon { fill: currentColor; }

/* === Responsive === */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-split { grid-template-columns: 1fr; gap: 40px; }
  .product-detail { grid-template-columns: 1fr; }
  .service-flow { grid-template-columns: repeat(2, 1fr); }
  .service-step::after { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }
  
  .menu-toggle { display: block; }
  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    padding: 16px;
    gap: 2px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition);
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .nav a { width: 100%; padding: 14px 16px; }
  
  .hero { height: auto; min-height: auto; padding: 80px 0 60px; }
  .hero h1 { font-size: 2.2em; }
  .hero p { font-size: 1em; }
  .hero-visual { position: relative; right: auto; top: auto; transform: none; width: 100%; max-width: 400px; margin: 40px auto 0; }
  
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .warranty-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .service-flow { grid-template-columns: 1fr; }
  
  .hero-content { text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .section-header h2 { font-size: 1.8em; }
  .page-hero h1 { font-size: 2em; }
}