/* ============================================
   YOUGE GROUP Brand Matrix Website Styles
   ============================================ */

/* CSS Variables */
:root {
  --primary: #0B3D91;
  --primary-light: #1E5AA8;
  --gold: #C8A45D;
  --gold-light: #D4B76A;
  --bg: #F5F7FA;
  --text: #1F2937;
  --text-light: #6B7280;
  --border: #E5E7EB;
  --white: #FFFFFF;
  --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --card-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
  --transition: all 0.3s ease;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 1024px) {
  .container {
    padding: 0 48px;
  }
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(229, 231, 235, 0.6);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
  object-fit: contain;
}

.logo-text-en {
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 1px;
  margin-top: -2px;
}

/* Desktop Navigation */
.nav-desktop {
  display: none;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 32px;
  }
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}

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

.nav-link:hover {
  color: var(--primary);
}

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

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1001;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
  border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Navigation */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 24px;
  z-index: 999;
  overflow-y: auto;
}

.nav-mobile.active {
  display: block;
}

.nav-mobile .nav-link {
  display: block;
  padding: 16px 0;
  font-size: 18px;
  border-bottom: 1px solid var(--border);
}

.nav-mobile .nav-link:last-child {
  border-bottom: none;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(11, 61, 145, 0.25);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(11, 61, 145, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(200, 164, 93, 0.25);
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200, 164, 93, 0.35);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f0f4fa 0%, #e8eef7 50%, #f5f7fa 100%);
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.15;
}

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

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 48px 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(11, 61, 145, 0.08);
  border: 1px solid rgba(11, 61, 145, 0.15);
  border-radius: 100px;
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(28px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

.hero-title span {
  color: var(--primary);
}

.hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

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

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  font-size: 13px;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 24px;
  height: 24px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* ============================================
   Section Styles
   ============================================ */
.section {
  padding: 80px 0;
}

@media (min-width: 1024px) {
  .section {
    padding: 100px 0;
  }
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 16px;
}

.section-label::before,
.section-label::after {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================
   Brand Cards Grid
   ============================================ */
.brands-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .brands-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Brand Card */
.brand-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
  cursor: pointer;
  position: relative;
}

.brand-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-hover);
  border-color: rgba(11, 61, 145, 0.15);
}

.brand-card-img {
  width: 100%;
  height: 180px;
  overflow: hidden;
  position: relative;
}

.brand-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.brand-card-content {
  padding: 24px;
}

.brand-card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(11, 61, 145, 0.06);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 12px;
}

.brand-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.brand-card-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.brand-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.brand-card-link:hover {
  gap: 10px;
  color: var(--gold);
}

/* ============================================
   Business Sectors Section
   ============================================ */
.sectors-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 640px) {
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.sector-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}

.sector-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-hover);
  border-color: rgba(200, 164, 93, 0.3);
}

.sector-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: rgba(11, 61, 145, 0.06);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

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

.sector-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sector-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   Brand Page Styles
   ============================================ */
.brand-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: 72px;
}

.brand-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.brand-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 61, 145, 0.75);
}

.brand-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 48px 24px;
  color: var(--white);
}

.brand-hero-tag {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.brand-hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.brand-hero-subtitle {
  font-size: clamp(16px, 2vw, 20px);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Brand Content Sections */
.brand-content {
  background: var(--white);
}

.brand-intro {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.brand-intro p {
  font-size: 16px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 16px;
}

/* Product/Service List */
.product-list {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .product-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.product-item:hover {
  box-shadow: var(--card-shadow);
  border-color: rgba(200, 164, 93, 0.3);
}

.product-icon {
  width: 48px;
  height: 48px;
  background: rgba(11, 61, 145, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.product-icon svg {
  width: 24px;
  height: 24px;
}

.product-text h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
}

.product-text p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.5;
}

/* Advantages */
.advantages-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .advantages-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.advantage-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.advantage-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(200, 164, 93, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
}

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

.advantage-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.advantage-desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* CTA Section */
.cta-section {
  background: var(--primary);
  color: var(--white);
  text-align: center;
  padding: 80px 24px;
}

.cta-title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-desc {
  font-size: 16px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto 32px;
}

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

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

.btn-white:hover {
  background: var(--bg);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ============================================
   Products Page
   ============================================ */
.category-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  transition: var(--transition);
}

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

.category-header {
  padding: 32px 28px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.category-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(11, 61, 145, 0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 100px;
  margin-bottom: 12px;
}

.category-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.category-subtitle {
  font-size: 14px;
  color: var(--text-light);
}

.category-body {
  padding: 28px;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text);
}

.category-item svg {
  width: 20px;
  height: 20px;
  color: var(--gold);
  flex-shrink: 0;
}

/* ============================================
   About Page
   ============================================ */
.about-hero {
  position: relative;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  padding-top: 72px;
}

.about-hero-content {
  text-align: center;
  color: var(--white);
  padding: 48px 24px;
}

.about-hero-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
}

.about-hero-subtitle {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

.about-intro {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-intro p {
  font-size: 17px;
  line-height: 2;
  color: var(--text-light);
  margin-bottom: 16px;
}

/* Values Grid */
.values-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 640px) {
  .values-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .values-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.value-card {
  text-align: center;
  padding: 32px 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.value-card:hover {
  box-shadow: var(--card-shadow);
  border-color: rgba(200, 164, 93, 0.3);
  transform: translateY(-4px);
}

.value-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: rgba(11, 61, 145, 0.06);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.value-icon svg {
  width: 24px;
  height: 24px;
}

.value-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.value-desc {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.5;
}

/* Direction List */
.direction-list {
  max-width: 800px;
  margin: 0 auto;
}

.direction-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 16px;
  transition: var(--transition);
}

.direction-item:hover {
  box-shadow: var(--card-shadow);
  border-color: rgba(200, 164, 93, 0.3);
}

.direction-num {
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.direction-text h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.direction-text p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-hero {
  position: relative;
  min-height: 45vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  padding-top: 72px;
}

.contact-hero-content {
  text-align: center;
  color: var(--white);
  padding: 48px 24px;
}

.contact-hero-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-hero-subtitle {
  font-size: 18px;
  opacity: 0.85;
  max-width: 600px;
  margin: 0 auto;
}

/* Contact Info */
.contact-info-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-info-card {
  padding: 32px 28px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
  transition: var(--transition);
}

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

.contact-info-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(11, 61, 145, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
}

.contact-info-label {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 6px;
}

.contact-info-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Contact Form */
.contact-form-wrapper {
  max-width: 700px;
  margin: 0 auto;
  padding: 48px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
}

@media (max-width: 640px) {
  .contact-form-wrapper {
    padding: 32px 24px;
  }
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  font-family: inherit;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(11, 61, 145, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
}

.form-row {
  display: grid;
  gap: 24px;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ============================================
   Toast / Modal
   ============================================ */
.toast {
  position: fixed;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--white);
  color: var(--text);
  padding: 18px 32px;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
  font-size: 15px;
  font-weight: 500;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.toast-icon {
  width: 24px;
  height: 24px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.7;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 14px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   Animations & Effects
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }
.stagger-7 { transition-delay: 0.7s; }
.stagger-8 { transition-delay: 0.8s; }

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(11, 61, 145, 0.3);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 998;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

/* ============================================
   Responsive Utilities
   ============================================ */
@media (max-width: 639px) {
  .section {
    padding: 60px 0;
  }

  .contact-form-wrapper {
    padding: 28px 20px;
  }

  .brand-hero {
    min-height: 50vh;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .header,
  .footer,
  .back-to-top,
  .scroll-indicator,
  .menu-toggle {
    display: none !important;
  }

  .hero {
    min-height: auto;
    padding: 40px 0;
  }
}