/* ============================================
   成都世佳万业装饰工程有限公司官网
   主样式文件
   ============================================ */

:root {
  /* 主色调 - 深海蓝体系 */
  --primary-900: #0a1628;
  --primary-800: #0f2137;
  --primary-700: #142942;
  --primary-600: #1a3554;
  --primary-500: #234876;
  --primary-400: #2e5a92;
  --primary-300: #3d72b8;

  /* 强调色 - 香槟金 */
  --accent-600: #b8945a;
  --accent-500: #c9a86e;
  --accent-400: #d8bc88;
  --accent-300: #e8d4a8;

  /* 中性色 */
  --gray-900: #1a1a1a;
  --gray-800: #2d2d2d;
  --gray-700: #4a4a4a;
  --gray-600: #6b6b6b;
  --gray-500: #8c8c8c;
  --gray-400: #b0b0b0;
  --gray-300: #d4d4d4;
  --gray-200: #e8e8e8;
  --gray-100: #f2f2f2;
  --gray-50: #f8f8f8;
  --white: #ffffff;

  /* 功能色 */
  --success: #2e7d5a;
  --error: #c24a4a;
  --warning: #c49242;

  /* 字体 */
  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;

  /* 间距 */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --space-3xl: 140px;

  /* 容器 */
  --container-max: 1280px;
  --container-padding: 32px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);

  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary-800);
}

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

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
  background: transparent;
  padding: var(--space-md) 0;
}

.site-header.scrolled {
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(12px);
  padding: var(--space-sm) 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.site-header.light-header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md) 0;
}

.site-header.light-header .nav-link,
.site-header.light-header .logo-text {
  color: var(--primary-800);
}

.site-header.light-header .nav-link::after {
  background: var(--accent-500);
}

.site-header.light-header .btn-outline {
  border-color: var(--primary-600);
  color: var(--primary-600);
}

.site-header.light-header .btn-outline:hover {
  background: var(--primary-600);
  color: var(--white);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-mark {
  width: 42px;
  height: 42px;
  display: block;
  object-fit: contain;
  background: transparent;
  border-radius: 6px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  transition: color var(--transition-fast);
}

.logo-sub {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-400);
  letter-spacing: 2px;
  display: block;
  margin-top: 2px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-100);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-500);
  transition: width var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-400);
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.phone-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--accent-400);
  font-size: 14px;
  font-weight: 500;
}

.phone-icon {
  width: 16px;
  height: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-500);
  color: var(--primary-900);
  border: 2px solid var(--accent-500);
}

.btn-primary:hover {
  background: var(--accent-400);
  border-color: var(--accent-400);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 168, 110, 0.3);
}

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

.btn-outline:hover {
  background: var(--white);
  color: var(--primary-800);
  border-color: var(--white);
}

.btn-dark {
  background: var(--primary-700);
  color: var(--white);
  border: 2px solid var(--primary-700);
}

.btn-dark:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  transform: translateY(-2px);
}

.btn-text {
  color: var(--accent-500);
  font-weight: 500;
  padding: 0;
  gap: 6px;
}

.btn-text:hover {
  color: var(--accent-600);
}

.btn-text svg {
  transition: transform var(--transition-fast);
}

.btn-text:hover svg {
  transform: translateX(4px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 6px auto;
  transition: all var(--transition-normal);
}

.site-header.light-header .mobile-toggle span {
  background: var(--primary-800);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.15); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.85) 0%,
    rgba(10, 22, 40, 0.6) 50%,
    rgba(10, 22, 40, 0.4) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
}

.hero-inner {
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-400);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.3s forwards;
}

.hero-eyebrow::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--accent-500);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.5s forwards;
}

.hero-title em {
  font-style: normal;
  color: var(--accent-400);
  position: relative;
}

.hero-subtitle {
  font-size: clamp(16px, 1.5vw, 19px);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: var(--space-lg);
  max-width: 560px;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.7s forwards;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.9s forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 12px;
  letter-spacing: 2px;
  animation: scrollBounce 2s ease-in-out infinite;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Section Common
   ============================================ */

.section {
  padding: var(--space-2xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-600);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent-500);
}

.section-title {
  font-size: clamp(28px, 3.5vw, 42px);
  margin-bottom: var(--space-sm);
}

.section-desc {
  color: var(--gray-600);
  font-size: 16px;
  max-width: 640px;
  margin: 0 auto;
}

.section-divider {
  width: 60px;
  height: 2px;
  background: var(--accent-500);
  margin: var(--space-md) auto 0;
}

/* ============================================
   Products Section (Home)
   ============================================ */

.products-section {
  background: var(--gray-50);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.product-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.product-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.6), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-card-body {
  padding: var(--space-md);
}

.product-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: 8px;
}

.product-card-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-600);
}

.product-card-link svg {
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card-link svg {
  transform: translateX(4px);
}

/* ============================================
   Stats / Trust Section
   ============================================ */

.stats-section {
  background: var(--primary-800);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent-500), transparent);
}

.stats-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent-500), transparent);
}

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

.stat-item {
  padding: var(--space-lg) var(--space-md);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 600;
  color: var(--accent-400);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.stat-number .stat-unit {
  font-size: 0.5em;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--accent-300);
  margin-left: 4px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

/* Logo Wall */
.logos-section {
  padding: var(--space-lg) 0 var(--space-xl);
  background: var(--gray-50);
}

.logos-label {
  text-align: center;
  font-size: 14px;
  color: var(--gray-500);
  letter-spacing: 2px;
  margin-bottom: var(--space-lg);
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.logo-item {
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 1px;
  transition: all var(--transition-fast);
  filter: grayscale(100%);
  opacity: 0.6;
}

.logo-item:hover {
  color: var(--primary-700);
  filter: grayscale(0%);
  opacity: 1;
}

/* ============================================
   Cases Section (Home)
   ============================================ */

.cases-section {
  background: var(--white);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.case-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.case-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  cursor: pointer;
}

.case-card-image {
  position: absolute;
  inset: 0;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card-image img {
  transform: scale(1.08);
}

.case-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 22, 40, 0.9) 0%, rgba(10, 22, 40, 0.4) 50%, transparent 100%);
  transition: background var(--transition-normal);
}

.case-card:hover .case-card-overlay {
  background: linear-gradient(to top, rgba(10, 22, 40, 0.95) 0%, rgba(10, 22, 40, 0.6) 50%, rgba(10, 22, 40, 0.2) 100%);
}

.case-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-md) var(--space-md);
  color: var(--white);
}

.case-tags {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(201, 168, 110, 0.2);
  border: 1px solid var(--accent-500);
  border-radius: 100px;
  font-size: 12px;
  color: var(--accent-400);
  letter-spacing: 0.5px;
}

.case-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}

.case-meta {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}

.case-card-action {
  position: absolute;
  right: var(--space-md);
  bottom: var(--space-md);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.case-card:hover .case-card-action {
  opacity: 1;
  transform: translateY(0);
}

.section-cta {
  text-align: center;
}

/* ============================================
   About Section (Home)
   ============================================ */

.about-section {
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

.about-image-frame {
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  border: 2px solid var(--accent-500);
  border-radius: var(--radius-md);
  pointer-events: none;
}

.about-content .section-header {
  text-align: left;
  margin-bottom: var(--space-md);
}

.about-content .section-header .section-divider {
  margin-left: 0;
}

.about-text {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.about-feature {
  display: flex;
  gap: var(--space-sm);
}

.about-feature-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border: 1px solid var(--accent-500);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-600);
}

.about-feature-icon svg {
  width: 22px;
  height: 22px;
}

.about-feature-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: 4px;
}

.about-feature-desc {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* ============================================
   Contact Form Section (Home)
   ============================================ */

.contact-home-section {
  background: var(--primary-800);
  position: relative;
  overflow: hidden;
}

.contact-home-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M50,0 L50,100" stroke="rgba(201,168,110,0.05)" stroke-width="0.5"/></svg>');
  background-size: 60px 60px;
  pointer-events: none;
}

.contact-home-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.contact-home-content .section-header {
  text-align: left;
  margin-bottom: var(--space-md);
}

.contact-home-content .section-header .section-divider {
  margin-left: 0;
}

.contact-home-title {
  font-size: clamp(28px, 3vw, 38px);
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.contact-home-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-lg);
  max-width: 420px;
}

.contact-phone-box {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(201, 168, 110, 0.3);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.contact-phone-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-phone-icon svg {
  width: 22px;
  height: 22px;
  color: var(--primary-900);
}

.contact-phone-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 4px;
}

.contact-phone-number {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--accent-400);
}

.contact-form-box {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
}

.form-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-xs);
}

.form-subtitle {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: var(--space-md);
}

/* Forms */
.form-group {
  margin-bottom: var(--space-sm);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 14px;
  color: var(--gray-800);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-500);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(201, 168, 110, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 12px;
  color: var(--error);
  margin-top: 6px;
  display: none;
}

.form-group.has-error .form-error {
  display: block;
}

.form-group.has-error .form-control {
  border-color: var(--error);
}

.form-submit {
  width: 100%;
  margin-top: var(--space-sm);
}

.form-success {
  text-align: center;
  padding: var(--space-lg) 0;
  display: none;
}

.form-success.show {
  display: block;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(46, 125, 90, 0.1);
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.form-success-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: 8px;
}

.form-success-text {
  font-size: 14px;
  color: var(--gray-600);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background: var(--primary-900);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-2xl) 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-text {
  font-size: 22px;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: var(--space-md);
  max-width: 340px;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-md);
  position: relative;
  padding-bottom: 12px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent-500);
}

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

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: all var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-400);
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: 14px;
}

.footer-contact-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--accent-500);
  margin-top: 2px;
}

.footer-bottom {
  padding: var(--space-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
}

/* ============================================
   Page Header (Inner Pages)
   ============================================ */

.page-header {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-top: 0;
  padding-top: 80px;
}

.page-header-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.page-header-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-header-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    135deg,
    rgba(10, 22, 40, 0.9) 0%,
    rgba(10, 22, 40, 0.7) 100%
  );
}

.page-header-content {
  position: relative;
  z-index: 3;
  width: 100%;
  text-align: center;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-md);
}

.breadcrumb a:hover {
  color: var(--accent-400);
}

.breadcrumb-sep {
  color: var(--accent-500);
  font-size: 12px;
}

.page-title {
  font-size: clamp(32px, 4vw, 48px);
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Product Detail Page
   ============================================ */

.product-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 0;
}

.product-tab {
  padding: var(--space-sm) var(--space-md);
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-600);
  background: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}

.product-tab:hover {
  color: var(--primary-700);
}

.product-tab.active {
  color: var(--accent-600);
  border-bottom-color: var(--accent-500);
}

.product-detail-section {
  display: none;
}

.product-detail-section.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.product-detail-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  position: sticky;
  top: 120px;
}

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

.product-detail-info h2 {
  font-size: 32px;
  margin-bottom: var(--space-xs);
}

.product-detail-tagline {
  color: var(--accent-600);
  font-size: 16px;
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
}

.product-detail-desc {
  color: var(--gray-700);
  line-height: 1.9;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
}

.product-specs {
  margin-bottom: var(--space-lg);
}

.product-specs-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-specs-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--accent-500);
  border-radius: 2px;
}

.spec-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.spec-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 12px var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-sm);
}

.spec-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-600);
  flex-shrink: 0;
}

.spec-label {
  font-size: 13px;
  color: var(--gray-600);
  flex-shrink: 0;
}

.spec-value {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary-800);
}

.product-features-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 12px;
}

.product-features-title::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--accent-500);
  border-radius: 2px;
}

.product-features-list {
  margin-bottom: var(--space-lg);
}

.product-features-list li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--gray-700);
  font-size: 14px;
  border-bottom: 1px dashed var(--gray-200);
}

.product-features-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 16px;
  height: 2px;
  background: var(--accent-500);
}

.product-features-list li:last-child {
  border-bottom: none;
}

.product-scenes {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--gray-200);
}

.product-scenes-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-md);
  text-align: center;
}

.product-scenes-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.scene-item {
  text-align: center;
  padding: var(--space-md) var(--space-sm);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.scene-item:hover {
  background: var(--primary-700);
  transform: translateY(-4px);
}

.scene-item:hover .scene-icon,
.scene-item:hover .scene-name {
  color: var(--white);
}

.scene-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto var(--space-xs);
  color: var(--accent-600);
  transition: color var(--transition-fast);
}

.scene-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  transition: color var(--transition-fast);
}

.product-custom {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  border-radius: var(--radius-md);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.product-custom h3 {
  font-size: 20px;
  color: var(--white);
  margin-bottom: 6px;
}

.product-custom p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Cases Page
   ============================================ */

.cases-filter {
  display: flex;
  justify-content: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  background: var(--gray-100);
  border-radius: 100px;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: var(--gray-200);
  color: var(--primary-700);
}

.filter-btn.active {
  background: var(--primary-700);
  color: var(--white);
}

.cases-full-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.cases-full-grid .case-card {
  aspect-ratio: 4 / 3;
}

.cases-loadmore {
  text-align: center;
  margin-top: var(--space-xl);
}

/* Case Modal */
.case-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(10, 22, 40, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.case-modal-overlay.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}

.case-modal {
  background: var(--white);
  border-radius: var(--radius-md);
  max-width: 1000px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.case-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gray-700);
  transition: all var(--transition-fast);
}

.case-modal-close:hover {
  background: var(--white);
  transform: rotate(90deg);
}

.case-modal-hero {
  position: relative;
  height: 400px;
}

.case-modal-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.case-modal-body {
  padding: var(--space-xl);
}

.case-modal-title {
  font-size: 28px;
  margin-bottom: var(--space-sm);
}

.case-modal-meta {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--gray-200);
  flex-wrap: wrap;
}

.case-modal-meta-item {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 14px;
  color: var(--gray-600);
}

.case-modal-meta-item strong {
  color: var(--primary-800);
  font-weight: 500;
}

.case-modal-section {
  margin-bottom: var(--space-lg);
}

.case-modal-section h3 {
  font-size: 20px;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 12px;
}

.case-modal-section h3::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--accent-500);
  border-radius: 2px;
}

.case-modal-section p {
  color: var(--gray-700);
  line-height: 1.9;
}

.case-modal-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.case-modal-gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.case-modal-quote {
  padding: var(--space-md) var(--space-lg);
  background: var(--gray-50);
  border-left: 4px solid var(--accent-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--gray-700);
}

.case-modal-quote-author {
  margin-top: 8px;
  font-style: normal;
  font-size: 14px;
  color: var(--gray-500);
  font-weight: 500;
}

/* ============================================
   About Page
   ============================================ */

.about-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
}

.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-hero-text h2 {
  font-size: 36px;
  margin-bottom: var(--space-md);
}

.about-hero-text p {
  color: var(--gray-700);
  line-height: 1.9;
  margin-bottom: var(--space-md);
}

.about-hero-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

.about-hero-badge {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  background: var(--white);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.about-hero-badge-number {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 600;
  color: var(--accent-600);
  line-height: 1;
}

.about-hero-badge-label {
  font-size: 13px;
  color: var(--gray-600);
}

/* Timeline */
.timeline-section {
  background: var(--gray-50);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-lg) 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: var(--space-md) var(--space-lg);
}

.timeline-item:nth-child(odd) {
  left: 0;
  text-align: right;
  padding-right: var(--space-xl);
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: var(--space-xl);
}

.timeline-dot {
  position: absolute;
  top: 32px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-500);
  border: 4px solid var(--white);
  box-shadow: 0 0 0 2px var(--accent-500);
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-year {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 600;
  color: var(--accent-600);
  margin-bottom: 8px;
}

.timeline-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Strengths */
.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.strength-card {
  padding: var(--space-lg);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--gray-100);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-400);
}

.strength-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--accent-400);
}

.strength-icon svg {
  width: 28px;
  height: 28px;
}

.strength-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: var(--space-xs);
}

.strength-desc {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.8;
}

/* Certifications */
.cert-section {
  background: var(--gray-50);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.cert-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

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

.cert-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-sm);
  color: var(--accent-600);
}

.cert-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--primary-800);
  margin-bottom: 4px;
}

.cert-sub {
  font-size: 12px;
  color: var(--gray-500);
}

/* Process */
.process-section {
  background: var(--primary-800);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.process-section .section-title {
  color: var(--white);
}

.process-section .section-desc {
  color: rgba(255, 255, 255, 0.6);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-sm);
  position: relative;
}

.process-step {
  text-align: center;
  padding: var(--space-md) var(--space-xs);
  position: relative;
}

.process-step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--accent-500);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--accent-400);
}

.process-step-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}

.process-step-desc {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 30px;
  right: -16px;
  width: 32px;
  height: 1px;
  background: var(--accent-500);
  opacity: 0.4;
}

/* ============================================
   Contact Page
   ============================================ */

.contact-page-section {
  padding: var(--space-2xl) 0;
}

.contact-page-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-xl);
}

.contact-info-box {
  background: var(--primary-800);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  color: var(--white);
}

.contact-info-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 8px;
}

.contact-info-sub {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-info-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(201, 168, 110, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-400);
}

.contact-info-icon svg {
  width: 22px;
  height: 22px;
}

.contact-info-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 6px;
}

.contact-info-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--white);
  line-height: 1.6;
}

.contact-form-full {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.contact-form-full .form-title {
  font-size: 24px;
  margin-bottom: var(--space-xs);
}

.contact-form-full .form-subtitle {
  margin-bottom: var(--space-lg);
}

.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.map-section {
  padding: 0 0 var(--space-2xl);
}

.map-container {
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--gray-100);
  position: relative;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.map-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-pin {
  position: relative;
  margin-bottom: var(--space-sm);
}

.map-pin svg {
  width: 48px;
  height: 48px;
  color: var(--accent-500);
  animation: pinBounce 2s ease-in-out infinite;
}

@keyframes pinBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.map-address {
  position: relative;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.map-address strong {
  color: var(--accent-400);
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
  font-family: var(--font-display);
}

/* ============================================
   CTA Banner
   ============================================ */

.cta-banner {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-900));
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><circle cx="100" cy="100" r="80" fill="none" stroke="rgba(201,168,110,0.05)" stroke-width="1"/><circle cx="100" cy="100" r="60" fill="none" stroke="rgba(201,168,110,0.05)" stroke-width="1"/><circle cx="100" cy="100" r="40" fill="none" stroke="rgba(201,168,110,0.05)" stroke-width="1"/></svg>');
  background-size: 300px 300px;
  background-position: right center;
  background-repeat: no-repeat;
}

.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  gap: var(--space-lg);
}

.cta-banner-text h3 {
  font-size: 28px;
  color: var(--white);
  margin-bottom: 8px;
}

.cta-banner-text p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
}

/* ============================================
   Scroll Reveal Animations
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .logos-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .about-grid,
  .contact-home-grid,
  .about-hero-grid,
  .product-detail-grid,
  .contact-page-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-image {
    position: static;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .strengths-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-step:nth-child(3n)::after {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-scenes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --space-2xl: 64px;
    --space-xl: 40px;
    --container-padding: 20px;
  }

  .site-header {
    padding: var(--space-sm) 0;
  }

  .nav-list,
  .header-cta .phone-link {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-list.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--primary-900);
    padding: var(--space-md);
    gap: 0;
  }

  .nav-list.mobile-open .nav-link {
    display: block;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero {
    height: auto;
    min-height: 500px;
    padding: 120px 0 80px;
  }

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

  .product-card-image {
    height: 180px;
  }

  .cases-grid,
  .cases-full-grid {
    grid-template-columns: 1fr;
  }

  .logos-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .stat-item {
    padding: var(--space-md) var(--space-sm);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .page-header {
    height: 300px;
  }

  .strengths-grid {
    grid-template-columns: 1fr;
  }

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

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

  .process-step:nth-child(2n)::after {
    display: none;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    left: 0 !important;
    text-align: left !important;
    padding-left: 50px !important;
    padding-right: var(--space-md) !important;
  }

  .timeline-dot {
    left: 12px !important;
    right: auto !important;
  }

  .spec-list {
    grid-template-columns: 1fr;
  }

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

  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
  }

  .product-custom {
    flex-direction: column;
    text-align: center;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .case-modal-hero {
    height: 250px;
  }

  .case-modal-body {
    padding: var(--space-md);
  }

  .case-modal-gallery {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }

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

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .cert-grid {
    grid-template-columns: 1fr;
  }

  .product-scenes-grid {
    grid-template-columns: 1fr 1fr;
  }
}