/* ============================================
   雅风电子 (Arfine) - 官网样式
   科技工业风 / 深蓝系
   版本 1.0
   ============================================ */

/* ----- CSS 变量 ----- */
:root {
  --color-primary: #0B1628;
  --color-primary-light: #162236;
  --color-secondary: #1A6BB5;
  --color-accent: #2B9FD6;
  --color-accent-dark: #0F5A9C;
  --color-bg: #F5F7FA;
  --color-bg-alt: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-soft: #6B7280;
  --color-text-light: #9CA3AF;
  --color-border: #E5E7EB;
  --color-highlight: #E8A838;
  --color-overlay: rgba(11, 22, 40, 0.85);
  --gradient-primary: linear-gradient(135deg, #0B1628 0%, #1A6BB5 100%);
  --gradient-accent: linear-gradient(135deg, #1A6BB5 0%, #2B9FD6 100%);
  --font-cn: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "Segoe UI", -apple-system, sans-serif;
  --font-base: var(--font-cn);
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;
  --fs-4xl: 2.25rem;
  --fs-5xl: 3rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
}

/* ----- Reset & Base ----- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  font-family: var(--font-base);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul { list-style: none; }

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}
.section-title {
  text-align: center;
  margin-bottom: var(--space-6);
}
.section-title h2 {
  font-size: var(--fs-3xl);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
}
.section-title p {
  font-size: var(--fs-lg);
  color: var(--color-text-soft);
  max-width: 600px;
  margin: 0 auto;
}
.section-title .subtitle {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: var(--space-2);
  font-family: var(--font-en);
}

/* ----- Layout ----- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.section-padding {
  padding: var(--space-10) 0;
}
.section-dark {
  background: var(--color-primary);
  color: #fff;
}
.section-dark .section-title h2 { color: #fff; }
.section-dark .section-title p { color: rgba(255,255,255,0.7); }

/* ----- Navigation ----- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(11, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(11, 22, 40, 0.98);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.navbar-logo img {
  height: 42px;
  width: auto;
}
.navbar-logo .logo-text {
  display: flex;
  flex-direction: column;
}
.navbar-logo .logo-text .cn {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}
.navbar-logo .logo-text .en {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  font-family: var(--font-en);
  letter-spacing: 1px;
}
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.navbar-menu a {
  padding: var(--space-2) var(--space-4);
  color: rgba(255,255,255,0.8);
  font-size: var(--fs-sm);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}
.navbar-menu a:hover, .navbar-menu a.active {
  color: #fff;
}
.navbar-menu a:hover::after, .navbar-menu a.active::after {
  width: 60%;
}
/* 语言切换按钮 */
.navbar-menu .lang-switch {
  margin-left: var(--space-3);
  padding: var(--space-1) var(--space-4);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-accent) !important;
  transition: var(--transition);
}
.navbar-menu .lang-switch::after { display: none; }
.navbar-menu .lang-switch:hover {
  background: var(--color-accent);
  color: #fff !important;
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-2);
}

/* ----- Page Banner (内页统一横幅) ----- */
.page-banner {
  background: var(--color-primary);
  padding-top: calc(72px + var(--space-6));
  padding-bottom: var(--space-6);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 50%, rgba(26,107,181,0.35) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 30%, rgba(43,159,214,0.15) 0%, transparent 50%);
}
.page-banner::after {
  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: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}
.page-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.page-banner-subtitle {
  display: inline-block;
  font-size: var(--fs-xs);
  color: var(--color-accent);
  letter-spacing: 3px;
  font-family: var(--font-en);
  margin-bottom: var(--space-3);
}
.page-banner-title {
  color: #fff;
  font-size: var(--fs-3xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
}
.page-banner-desc {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-sm);
}

/* 各页面banner背景图（兼容首页hero风格但更矮） */
.page-banner.banner-about::before {
  background-image: url('../images/bg-about.jpg');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  opacity: 0.18;
  filter: hue-rotate(190deg) saturate(0.6) brightness(0.9);
}
.page-banner.banner-brands::before {
  background-image: url('../images/bg-brands.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: hue-rotate(190deg) saturate(0.6) brightness(0.9);
}
.page-banner.banner-services::before {
  background-image: url('../images/bg-services.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: hue-rotate(190deg) saturate(0.6) brightness(0.9);
}
.page-banner.banner-contact::before {
  background-image: url('../images/bg-contact.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  filter: hue-rotate(190deg) saturate(0.6) brightness(0.9);
}

/* ----- Hero Section ----- */
.hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background: var(--color-primary);
  overflow: hidden;
  padding: 120px 0 60px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
  filter: hue-rotate(190deg) saturate(0.6);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(26,107,181,0.4) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(43,159,214,0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 90%, rgba(26,107,181,0.15) 0%, transparent 60%);
}
.hero-grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

/* 浮动装饰元素 */
.hero-decor {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.hero-dot {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43,159,214,0.6) 0%, transparent 70%);
  animation: float 6s ease-in-out infinite;
}
.hero-dot-1 {
  width: 200px; height: 200px;
  top: 10%; right: 35%;
  animation-delay: 0s;
}
.hero-dot-2 {
  width: 150px; height: 150px;
  bottom: 20%; right: 5%;
  animation-delay: 2s;
}
.hero-dot-3 {
  width: 100px; height: 100px;
  top: 60%; left: 30%;
  animation-delay: 4s;
}
.hero-line {
  position: absolute;
  top: 20%;
  right: 25%;
  width: 1px;
  height: 60%;
  background: linear-gradient(to bottom, transparent, rgba(43,159,214,0.3), transparent);
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

/* 双列布局 */
.hero-container {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  align-items: center;
  min-height: 400px;
}
.hero-content {
  position: relative;
  z-index: 2;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual svg {
  width: 100%;
  max-width: 380px;
  height: auto;
  animation: heroFloat 6s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(43,159,214,0.3));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.hero-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  background: rgba(26,107,181,0.3);
  border: 1px solid rgba(43,159,214,0.4);
  border-radius: var(--radius-full);
  color: var(--color-accent);
  font-size: var(--fs-xs);
  letter-spacing: 2px;
  margin-bottom: var(--space-4);
  font-family: var(--font-en);
  font-weight: 600;
}
.hero h1 {
  font-size: clamp(1.875rem, 3.5vw, 3rem);
  color: #fff;
  margin-bottom: var(--space-4);
  line-height: 1.25;
  font-weight: 800;
  white-space: nowrap;
}
.hero h1 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero p {
  font-size: var(--fs-base);
  color: rgba(255,255,255,0.75);
  max-width: 560px;
  margin-bottom: var(--space-6);
  line-height: 1.7;
  white-space: nowrap;
}
.hero-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-base);
}
.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(26,107,181,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,107,181,0.5);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  background: rgba(26,107,181,0.2);
  transform: translateY(-2px);
}
.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--fs-base);
}

/* ----- Stats Section (首页数据) ----- */
.stats {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-8);
  text-align: center;
}
.stat-item {
  padding: var(--space-6) var(--space-8);
}
.stat-number {
  font-size: var(--fs-5xl);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}
.stat-number .suffix {
  font-size: var(--fs-2xl);
}
.stat-label {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  font-weight: 500;
}

/* ----- Advantages Section (核心优势) ----- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.advantage-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.advantage-card:hover::before {
  transform: scaleX(1);
}
.advantage-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(26,107,181,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.5rem;
}
.advantage-card h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}
.advantage-card p {
  color: var(--color-text-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* ----- Brand Carousel (品牌Logo墙) ----- */
.brand-wall {
  overflow: hidden;
  position: relative;
}
.brand-track {
  display: flex;
  gap: var(--space-8);
  animation: brandScroll 25s linear infinite;
  width: max-content;
}
.brand-track:hover {
  animation-play-state: paused;
}
.brand-item {
  flex-shrink: 0;
  width: 160px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  transition: var(--transition);
}
.brand-item:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
}
.brand-item img {
  max-width: 100%;
  max-height: 50px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition);
}
.brand-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

@keyframes brandScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ----- Industry Section (典型客户) ----- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.industry-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 7/4;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.industry-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  transition: var(--transition);
  pointer-events: none;
  z-index: 2;
}
.industry-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.industry-card:hover::after {
  border-color: var(--color-accent);
}
.industry-card-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.4s ease;
  filter: grayscale(40%) brightness(0.85);
}
.industry-card:hover .industry-card-bg {
  transform: scale(1.08);
  filter: grayscale(0%) brightness(1);
}
.industry-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,22,40,0.95) 0%, rgba(11,22,40,0.5) 50%, rgba(11,22,40,0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  transition: var(--transition);
  z-index: 1;
}
.industry-overlay .industry-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  color: var(--color-accent);
  letter-spacing: 2px;
  font-family: var(--font-en);
  margin-bottom: var(--space-2);
  transform: translateY(8px);
  opacity: 0;
  transition: var(--transition);
}
.industry-overlay h3 {
  color: #fff;
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--space-1);
  transform: translateY(8px);
  transition: var(--transition);
}
.industry-overlay p {
  color: rgba(255,255,255,0.75);
  font-size: var(--fs-sm);
  transform: translateY(8px);
  opacity: 0;
  transition: var(--transition);
  transition-delay: 0.05s;
}
.industry-card:hover .industry-overlay .industry-tag {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.05s;
}
.industry-card:hover .industry-overlay h3 {
  transform: translateY(0);
  transition-delay: 0.1s;
}
.industry-card:hover .industry-overlay p {
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0.15s;
}

/* ----- About Page ----- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10);
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-wrap img {
  border-radius: var(--radius-lg);
  width: 100%;
  filter: grayscale(30%) brightness(0.9) contrast(1.05);
}
.about-image-wrap::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  z-index: -1;
}
.about-text h2 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-3);
}
.about-text .about-sub {
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.about-text p {
  color: var(--color-text-soft);
  margin-bottom: var(--space-3);
  line-height: 1.8;
  font-size: var(--fs-sm);
}

/* ----- Mini Carousel (小型轮播) ----- */
.mini-carousel {
  position: relative;
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--color-bg-alt);
}
.mini-carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 7/4;
}
.mini-carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.8s ease, transform 1.2s ease;
}
.mini-carousel-slide.active {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
}
.mini-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) brightness(0.9);
}
.mini-carousel-slide .mini-carousel-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(to top, rgba(11,22,40,0.85), transparent);
  color: #fff;
  font-size: var(--fs-sm);
  font-weight: 500;
  z-index: 2;
}
.mini-carousel-dots {
  position: absolute;
  bottom: var(--space-3);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 3;
}
.mini-carousel-dots .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  transition: var(--transition);
  cursor: pointer;
}
.mini-carousel-dots .dot.active {
  background: var(--color-accent);
  width: 24px;
  border-radius: 4px;
}

/* ----- Timeline (发展历程) ----- */
.timeline {
  position: relative;
  padding: var(--space-4) 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gradient-accent);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  position: relative;
}
.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}
.timeline-content {
  width: 45%;
  background: var(--color-bg-alt);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}
.timeline-year {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-accent);
  color: #fff;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: var(--fs-sm);
  top: var(--space-8);
}
.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-secondary);
  border: 3px solid var(--color-bg);
  top: calc(var(--space-8) + 4px);
}
.timeline-content h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-2);
}
.timeline-content p {
  color: var(--color-text-soft);
  font-size: var(--fs-sm);
}

/* ----- Brands Page ----- */
.brand-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: var(--space-10);
}
.brand-tab {
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: var(--transition);
  background: var(--color-bg-alt);
  color: var(--color-text-soft);
}
.brand-tab:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.brand-tab.active {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}
.brands-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}
.brand-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  min-height: 140px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.brand-card:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.brand-card-logo {
  flex: 1;
  width: 100%;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
}
.brand-card-logo img {
  max-width: 100%;
  max-height: 70px;
  width: auto;
  height: auto;
  object-fit: contain;
}
.brand-card h4 {
  font-size: var(--fs-sm);
  color: var(--color-text);
  font-weight: 600;
}

/* ----- Services Page ----- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}
.service-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.service-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(26,107,181,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.25rem;
}
.service-card h3 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-3);
}
.service-card p {
  color: var(--color-text-soft);
  font-size: var(--fs-sm);
  line-height: 1.8;
}

/* Service card with background image */
.service-card-with-image {
  padding: 0;
  overflow: hidden;
  position: relative;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.service-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  filter: grayscale(30%) brightness(0.85);
  transition: var(--transition);
}
.service-card-with-image:hover .service-card-img {
  transform: scale(1.05);
  filter: grayscale(10%) brightness(0.95);
}
.service-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,22,40,0.92) 0%, rgba(11,22,40,0.4) 60%, rgba(26,107,181,0.1) 100%);
  z-index: 1;
}
.service-card-content {
  position: relative;
  z-index: 2;
  padding: var(--space-8);
  color: #fff;
}
.service-card-content h3 {
  color: #fff;
  font-size: var(--fs-xl);
  margin-bottom: var(--space-2);
  font-weight: 700;
}
.service-card-content p {
  color: rgba(255,255,255,0.8);
  font-size: var(--fs-sm);
  line-height: 1.7;
}
.process-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}
.process-step {
  text-align: center;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '→';
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-secondary);
  font-weight: 700;
}
.process-step-num {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  font-weight: 700;
  margin: 0 auto var(--space-3);
}
.process-step h4 {
  font-size: var(--fs-base);
  margin-bottom: var(--space-1);
}
.process-step p {
  font-size: var(--fs-xs);
  color: var(--color-text-soft);
}

/* ----- Contact Page ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
}
.contact-info-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.contact-info-item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.contact-info-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}
.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(26,107,181,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-text h4 {
  font-size: var(--fs-sm);
  color: var(--color-text-soft);
  margin-bottom: var(--space-1);
}
.contact-info-text p {
  font-size: var(--fs-base);
  font-weight: 500;
}

/* ----- Contact Form ----- */
.contact-form-wrap {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}
.contact-form-wrap h3 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-6);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-group label {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--fs-base);
  font-family: var(--font-base);
  transition: var(--transition);
  background: var(--color-bg);
  color: var(--color-text);
}
.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(26,107,181,0.1);
}
textarea.form-control {
  min-height: 120px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.form-submit {
  width: 100%;
  justify-content: center;
  padding: var(--space-4);
  font-size: var(--fs-base);
}
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-16);
  color: var(--color-success);
}
.form-success.show { display: block; }
.form-error {
  color: #EF4444;
  font-size: var(--fs-xs);
  margin-top: var(--space-1);
  display: none;
}

/* ----- Map ----- */
.map-wrap {
  margin-top: var(--space-12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

/* ----- Footer ----- */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer-brand img {
  height: 40px;
  margin-bottom: var(--space-4);
}
.footer-brand p {
  font-size: var(--fs-sm);
  line-height: 1.8;
  max-width: 300px;
}
.footer h4 {
  color: #fff;
  font-size: var(--fs-base);
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}
.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--color-accent);
}
.footer-links a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: var(--fs-sm);
  padding: var(--space-1) 0;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--color-accent);
  padding-left: var(--space-2);
}
.footer-contact p {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-2);
  line-height: 1.6;
}
.footer-contact .contact-label {
  color: rgba(255,255,255,0.4);
  display: inline-block;
  min-width: 52px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--fs-sm);
  white-space: nowrap;
}
.footer-bottom > span {
  white-space: nowrap;
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
}
.footer-bottom a:hover { color: var(--color-accent); }

/* ----- Animations ----- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-buttons { justify-content: center; }
  .hero-visual { max-width: 300px; margin: 0 auto; }
  .hero-dot-1, .hero-dot-2, .hero-dot-3 { display: none; }
  .hero-line { display: none; }

  .about-intro { grid-template-columns: 1fr; gap: var(--space-8); }
  .services-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .navbar-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: rgba(11,22,40,0.98);
    padding: var(--space-4);
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .navbar-menu.open { display: flex; }
  .mobile-toggle { display: block; }
  .navbar-menu a { padding: var(--space-3) var(--space-4); }

  .hero { min-height: auto; padding: 90px 0 30px; }
  .hero-container { gap: var(--space-5); min-height: 0; }
  .hero h1 { font-size: var(--fs-3xl); white-space: normal; }
  .hero p { font-size: var(--fs-sm); white-space: normal; }
  .hero-visual { max-width: 220px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .stat-number { font-size: var(--fs-4xl); }
  .advantages-grid { grid-template-columns: 1fr; }
  .industry-grid { grid-template-columns: 1fr; }
  .brands-grid { grid-template-columns: repeat(3, 1fr); }

  .section-padding { padding: var(--space-12) 0; }
  .section-title h2 { font-size: var(--fs-3xl); }

  .about-intro { grid-template-columns: 1fr; gap: var(--space-6); }
  .services-grid { grid-template-columns: 1fr; }
  .mini-carousel { max-height: 260px; }
  .mini-carousel-label { font-size: 10px; padding: var(--space-2) var(--space-3); }

  .timeline::before { left: 20px; }
  .timeline-item { flex-direction: column !important; padding-left: 50px; }
  .timeline-content { width: 100%; }
  .timeline-year, .timeline-dot { left: 20px; transform: none; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

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

@media (max-width: 480px) {
  .brands-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-flow { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
}