/* ========================================
   广州心璐文化传播有限公司 - 全局样式
   Guangzhou Xinlu Cultural Communication Co., Ltd.
   ======================================== */

/* --- CSS Variables --- */
:root {
  --color-primary: #C41E3A;
  --color-primary-dark: #9B1B30;
  --color-primary-light: #E8475E;
  --color-dark: #1a1a2e;
  --color-dark-secondary: #16213e;
  --color-gold: #D4A574;
  --color-gold-light: #E8D5B7;
  --color-light: #f8f9fa;
  --color-white: #ffffff;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-text: #333333;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
  --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: all 0.3s ease;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul { list-style: none; }

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

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

/* --- Section Common --- */
.section {
  padding: 100px 0;
}

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

.section-subtitle {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-weight: 600;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-desc {
  font-size: 16px;
  color: var(--color-gray-500);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition);
  font-family: var(--font-sans);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(196, 30, 58, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

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

.btn-outline-dark {
  background: transparent;
  color: var(--color-dark);
  border-color: var(--color-dark);
}

.btn-outline-dark:hover {
  background: var(--color-dark);
  color: var(--color-white);
}

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

.btn-gold:hover {
  background: #c49664;
  border-color: #c49664;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 165, 116, 0.35);
}

/* --- Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 18px 0;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
}

.logo-text {
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

.navbar.scrolled .logo-text { color: var(--color-white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: width 0.3s ease;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
  border-radius: 2px;
}

/* --- Page Hero (sub pages) --- */
.page-hero {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(196,30,58,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero-title {
  font-size: 42px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
}

.page-hero-breadcrumb {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
}

.page-hero-breadcrumb a {
  color: var(--color-gold);
}

.page-hero-breadcrumb span {
  margin: 0 8px;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-about p {
  font-size: 14px;
  line-height: 1.8;
  margin-top: 16px;
}

.footer h4 {
  color: var(--color-white);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

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

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

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

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 12px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.footer-contact .contact-icon {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* --- Hero Section (Home) --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-dark) 0%, #0f0f23 50%, var(--color-dark-secondary) 100%);
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.5) 1px, transparent 1px),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.5) 1px, transparent 1px),
    radial-gradient(circle at 60% 80%, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.hero-glow-1 {
  top: -150px;
  right: -100px;
  background: var(--color-primary);
}

.hero-glow-2 {
  bottom: -150px;
  left: -100px;
  background: var(--color-gold);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 24px;
  animation: fadeInUp 1s ease;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(212, 165, 116, 0.15);
  border: 1px solid rgba(212, 165, 116, 0.3);
  color: var(--color-gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 3px;
  border-radius: 50px;
  margin-bottom: 28px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 56px;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

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

.hero-subtitle {
  font-size: 18px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 40px;
  line-height: 1.8;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

/* --- Features / Stats --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 80px auto 0;
  position: relative;
  z-index: 1;
  animation: fadeInUp 1s ease 0.2s both;
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255,255,255,0.08);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 6px;
}

.stat-label {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 1px;
}

/* --- About Section (Home) --- */
.about-section {
  background: var(--color-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: 48px;
  position: relative;
  overflow: hidden;
}

.about-image-placeholder::after {
  content: '心璐文化';
  position: absolute;
  font-size: 20px;
  font-weight: 700;
  color: var(--color-gray-300);
  letter-spacing: 4px;
}

.about-image-accent {
  position: absolute;
  width: 120px;
  height: 120px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
  bottom: -30px;
  right: -30px;
  z-index: -1;
  opacity: 0.1;
}

.about-content .section-subtitle { text-align: left; }
.about-content .section-title { text-align: left; }
.about-content .section-desc { text-align: left; margin: 0 0 24px; }

.about-features {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(196, 30, 58, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 18px;
  flex-shrink: 0;
}

.about-feature-text h5 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.about-feature-text p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* --- Services Section (Home) --- */
.services-section {
  background: var(--color-gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-primary);
  transition: height 0.4s ease;
}

.service-card:hover::before {
  height: 100%;
}

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

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 22px;
  transition: var(--transition);
}

.service-icon.red { background: rgba(196,30,58,0.1); color: var(--color-primary); }
.service-icon.gold { background: rgba(212,165,116,0.15); color: var(--color-gold); }
.service-icon.dark { background: rgba(26,26,46,0.08); color: var(--color-dark); }

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 30% 50%, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
}

.cta-section .container { position: relative; z-index: 1; }

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-section p {
  color: rgba(255,255,255,0.8);
  font-size: 16px;
  margin-bottom: 36px;
}

/* --- About Page --- */
.about-intro {
  max-width: 800px;
  margin: 0 auto 80px;
  font-size: 16px;
  line-height: 2;
  color: var(--color-gray-600);
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 80px;
}

.mission-card {
  text-align: center;
  padding: 48px 28px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--color-gray-100);
}

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

.mission-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
}

.mission-icon.vision { background: rgba(196,30,58,0.1); color: var(--color-primary); }
.mission-icon.mission { background: rgba(212,165,116,0.15); color: var(--color-gold); }
.mission-icon.values { background: rgba(26,26,46,0.08); color: var(--color-dark); }

.mission-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 12px;
}

.mission-card p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.7;
}

/* --- Timeline --- */
.timeline-section {
  background: var(--color-gray-100);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-gray-300);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 48px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border: 3px solid var(--color-white);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--color-primary);
  z-index: 1;
}

.timeline-content {
  width: 42%;
  padding: 24px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-year {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.timeline-content h4 {
  font-size: 18px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* --- Services Page --- */
.services-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-detail-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
  display: flex;
  gap: 24px;
}

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

.service-detail-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.service-detail-icon.c1 { background: rgba(196,30,58,0.1); color: var(--color-primary); }
.service-detail-icon.c2 { background: rgba(212,165,116,0.15); color: var(--color-gold); }
.service-detail-icon.c3 { background: rgba(26,26,46,0.08); color: var(--color-dark); }
.service-detail-icon.c4 { background: rgba(196,30,58,0.08); color: var(--color-primary-dark); }

.service-detail-info h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.service-detail-info p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 16px;
}

.service-detail-info ul {
  list-style: none;
}

.service-detail-info ul li {
  font-size: 13px;
  color: var(--color-gray-600);
  padding: 4px 0;
  padding-left: 18px;
  position: relative;
}

.service-detail-info ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* --- Contact Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-card {
  display: flex;
  gap: 18px;
  padding: 28px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-100);
  transition: var(--transition);
}

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

.contact-card-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(196, 30, 58, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-card-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 6px;
}

.contact-card-info p {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.6;
}

/* --- Contact Form --- */
.contact-form-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.contact-form-wrapper > p {
  font-size: 14px;
  color: var(--color-gray-500);
  margin-bottom: 28px;
}

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

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

.form-group label .required {
  color: var(--color-primary);
  margin-left: 2px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-gray-100);
  transition: var(--transition);
  outline: none;
  color: var(--color-text);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.08);
}

.form-group input.error,
.form-group textarea.error {
  border-color: #e53e3e;
  background: #fff5f5;
}

.form-error-msg {
  font-size: 12px;
  color: #e53e3e;
  margin-top: 6px;
  display: none;
}

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

.form-submit-row {
  margin-top: 8px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

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

.form-success-icon {
  font-size: 56px;
  margin-bottom: 16px;
}

.form-success h3 {
  font-size: 22px;
  color: var(--color-dark);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 14px;
  color: var(--color-gray-500);
}

/* --- Map Placeholder --- */
.map-placeholder {
  width: 100%;
  height: 360px;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: 14px;
  letter-spacing: 1px;
  border: 1px dashed var(--color-gray-300);
}

/* --- Scroll Animation --- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-title { font-size: 42px; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about-image-accent { display: none; }

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

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

  .services-detail-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
  .page-hero { padding: 120px 0 60px; }
  .page-hero-title { font-size: 30px; }

  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-badge { font-size: 11px; padding: 6px 14px; }

  .stats-bar {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-dark);
    flex-direction: column;
    padding: 100px 40px;
    gap: 28px;
    transition: right 0.4s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,0.3);
  }

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

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

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

  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 50px;
  }

  .timeline-content {
    width: 100%;
  }

  .timeline-dot {
    left: 20px;
  }

  .service-detail-card {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 26px; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; max-width: 280px; }
}