/* ===== Raydo Logistics - Custom Styles ===== */

/* Base & Reset */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: #1a1a2e;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Variables ===== */
:root {
  --primary: #0f2b5b;
  --primary-light: #1a3f7a;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --text: #1a1a2e;
  --text-light: #64748b;
  --bg-light: #f8fafc;
  --bg-grey: #f1f5f9;
  --white: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px(0,0,0,0.1);
  --radius: 12px;
  --transition: all 0.3s ease;
}

/* ===== Navigation ===== */
.navbar {
  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);
  box-shadow: none;
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.navbar .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 20px;
}
.navbar .logo img {
  height: 44px;
  width: auto;
}
.navbar .logo span {
  white-space: nowrap;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  background: rgba(15,43,91,0.06);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}
.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); }

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px 24px;
    gap: 4px;
    transform: translateY(-120%);
    visibility: hidden;
    opacity: 0;
    transition: transform 0.3s ease, visibility 0.3s ease, opacity 0.3s ease;
    box-shadow: var(--shadow);
  }
  .nav-links.open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
  }
  .nav-links a {
    display: block;
    padding: 12px 16px;
    font-size: 16px;
  }
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #0f2b5b 0%, #1a3f7a 40%, #2563eb 100%);
  overflow: hidden;
  padding-top: 72px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(245,158,11,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(37,99,235,0.2) 0%, transparent 50%);
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
  position: relative;
  z-index: 1;
}
.hero-content {
  max-width: 650px;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  color: white;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero h1 .highlight {
  color: var(--accent);
}
.hero p {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.8);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Page Banner (sub-pages) ===== */
.page-banner {
  padding-top: 72px;
  background: linear-gradient(135deg, #0f2b5b 0%, #1a3f7a 60%, #2563eb 100%);
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 50%, rgba(245,158,11,0.1) 0%, transparent 50%);
}
.page-banner .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  position: relative;
  z-index: 1;
}
.page-banner h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: white;
  font-weight: 800;
  margin-bottom: 12px;
}
.page-banner p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
}
.breadcrumb-nav {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  font-size: 14px;
}
.breadcrumb-nav a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}
.breadcrumb-nav a:hover { color: rgba(255,255,255,0.9); }
.breadcrumb-nav span { color: rgba(255,255,255,0.4); }
.breadcrumb-nav .current { color: var(--accent); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245,158,11,0.3);
}
.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}
.btn-dark {
  background: var(--primary);
  color: white;
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: white;
  box-shadow: var(--shadow-lg);
  border-radius: 16px;
  padding: 40px;
  margin-top: -60px;
  position: relative;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-number .accent { color: var(--accent); }
.stat-label {
  color: var(--text-light);
  font-size: 14px;
}
@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 24px; }
}
@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr; }
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
}
.section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-grey { background: var(--bg-grey); }
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15,43,91,0.06);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 16px;
}
.section-header p {
  color: var(--text-light);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== About / Features Grid ===== */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--primary);
}
.about-text p {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}
.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-image svg {
  width: 60%;
  height: auto;
  opacity: 0.15;
}
.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(15,43,91,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}
.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.feature-item p {
  color: var(--text-light);
  font-size: 14px;
  margin: 0;
}

@media (max-width: 768px) {
  .about-content { grid-template-columns: 1fr; gap: 40px; }
}

/* ===== Services Cards ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.service-card {
  background: white;
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(15,43,91,0.08), rgba(15,43,91,0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary);
}
.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.service-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
}
.service-card .tag {
  display: inline-block;
  background: rgba(245,158,11,0.1);
  color: var(--accent-hover);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  margin-top: 16px;
}

/* ===== Advantages ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.advantage-card {
  text-align: center;
  padding: 40px 28px;
  border-radius: var(--radius);
  background: white;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.advantage-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.advantage-icon {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: white;
}
.advantage-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.advantage-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .advantages-grid { grid-template-columns: 1fr; }
}

/* ===== Tracking Section ===== */
.tracking-box {
  max-width: 700px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow-lg);
}
.tracking-box h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}
.tracking-box .subtitle {
  color: var(--text-light);
  text-align: center;
  margin-bottom: 28px;
  font-size: 14px;
}
.tracking-input-group {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}
.tracking-input-group textarea {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 15px;
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
  transition: var(--transition);
}
.tracking-input-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,43,91,0.1);
}
.tracking-input-group input {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
}
.tracking-input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,43,91,0.1);
}
.tracking-hint {
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 20px;
}
.tracking-result {
  margin-top: 32px;
  padding: 24px;
  background: var(--bg-grey);
  border-radius: 10px;
  text-align: center;
  color: var(--text-light);
  display: none;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}
.contact-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.contact-item p {
  color: var(--text-light);
  font-size: 14px;
  margin: 0;
}
.contact-form {
  background: white;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15,43,91,0.1);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ===== Footer ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}
.footer .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  text-decoration: none;
}
.footer-brand .logo img {
  height: 40px;
  width: auto;
}
.footer-brand .logo span {
  color: white;
  font-size: 18px;
  font-weight: 700;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.6);
}
.footer h4 {
  color: white;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}
.footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer ul a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}
.footer ul a:hover {
  color: var(--accent);
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a {
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

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

/* ===== CTA Section ===== */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(245,158,11,0.1) 0%, transparent 60%);
}
.cta-section .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}
.cta-section h2 {
  color: white;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.cta-section p {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* ===== Tracking Page Specific ===== */
.tracking-page-content {
  max-width: 800px;
  margin: 0 auto;
}
.tracking-page-content .tracking-box {
  max-width: 100%;
}

/* ===== Service Detail Page ===== */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}
.service-detail-grid:nth-child(even) {
  direction: rtl;
}
.service-detail-grid:nth-child(even) > * {
  direction: ltr;
}
.service-detail-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.service-detail-content p {
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}
.service-detail-image {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #e2e8f0, #f1f5f9);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
}
@media (max-width: 768px) {
  .service-detail-grid {
    grid-template-columns: 1fr;
  }
  .service-detail-grid:nth-child(even) {
    direction: ltr;
  }
}

/* ===== About Page Timeline ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.value-card {
  text-align: center;
  padding: 40px 24px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.value-icon {
  width: 72px;
  height: 72px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(15,43,91,0.1), rgba(15,43,91,0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary);
}
.value-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.value-card p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
}
@media (max-width: 768px) {
  .values-grid { grid-template-columns: 1fr; }
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }