/* ==========================================================================
   OCEAN CONNECT SHIPPING PTE. LTD. — OFFICIAL STYLESHEET
   Design System: Maritime Corporate B2B (Pure CSS, Responsive, No Dependencies)
   ========================================================================== */

:root {
  --primary-blue: #00A3E0;
  --primary-blue-hover: #0284C7;
  --ocean-light: #4DB2EC;
  --deep-navy: #082B49;
  --navy-darkest: #041626;
  --navy-surface: #0C2340;
  --surface-light: #F4F7F9;
  --surface-tint: #EAF6FC;
  --text-dark: #102A43;
  --text-muted: #617587;
  --border-light: #E2E8F0;
  --white: #FFFFFF;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(8, 43, 73, 0.05);
  --shadow-md: 0 4px 20px -2px rgba(8, 43, 73, 0.08);
  --shadow-lg: 0 20px 40px -15px rgba(8, 43, 73, 0.12);
  --shadow-glow: 0 0 25px rgba(77, 178, 236, 0.35);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

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

ul {
  list-style: none;
}

/* Utilities & Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0, 163, 224, 0.3);
}

.btn-primary:hover {
  background-color: var(--primary-blue-hover);
  box-shadow: 0 6px 20px rgba(0, 163, 224, 0.45);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-dark {
  background-color: var(--deep-navy);
  color: var(--white);
}

.btn-dark:hover {
  background-color: var(--navy-darkest);
}

/* Eyebrows & Section Headers */
.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-blue);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--deep-navy);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 680px;
  line-height: 1.6;
}

/* TOP UTILITY STRIP */
.top-strip {
  background-color: var(--navy-darkest);
  color: #CBD5E1;
  font-size: 0.75rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.top-strip a:hover {
  color: var(--white);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--ocean-light);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--ocean-light);
}

/* MAIN STICKY WHITE HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--white);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-link:hover .brand-logo-img {
  transform: scale(1.03);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--deep-navy);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-dark);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-blue);
  background-color: var(--surface-light);
}

.dropdown-arrow {
  font-size: 0.7rem;
  transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 290px;
  background-color: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 100;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.dropdown-link:hover {
  background-color: var(--surface-light);
}

.dropdown-link-title {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--deep-navy);
}

.dropdown-link:hover .dropdown-link-title {
  color: var(--primary-blue);
}

.dropdown-link-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--deep-navy);
  font-size: 1.5rem;
}

.mobile-drawer {
  display: none;
  background-color: var(--white);
  border-top: 1px solid var(--border-light);
  padding: 18px 24px;
  box-shadow: var(--shadow-lg);
}

/* HERO SECTION */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--navy-darkest);
  color: var(--white);
  overflow: hidden;
}

.hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(4,22,38,0.95) 0%, rgba(4,22,38,0.75) 50%, rgba(4,22,38,0.3) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 5;
  padding: 80px 0 60px;
  max-width: 820px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ocean-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-title-highlight {
  color: transparent;
  background: linear-gradient(90deg, var(--ocean-light), #93C5FD);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: #CBD5E1;
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

/* Micro Credibility Strip */
.hero-strip {
  position: relative;
  z-index: 5;
  background: rgba(4, 22, 38, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
  backdrop-filter: blur(10px);
}

.hero-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  text-align: center;
  gap: 16px;
}

.strip-item {
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0 12px;
}

.strip-item:last-child {
  border-right: none;
}

.strip-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ocean-light);
  font-weight: 800;
}

.strip-val {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--white);
  margin-top: 2px;
}

/* INTRODUCTION SPLIT SECTION */
.section-intro {
  padding: 96px 0;
  background-color: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.intro-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.intro-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(4, 22, 38, 0.92);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
}

.route-steps-box {
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin: 24px 0;
}

.route-path-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 700;
}

.route-step-pill {
  background: var(--white);
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  color: var(--deep-navy);
}

/* CORE SERVICES SECTION */
.section-services {
  padding: 96px 0;
  background-color: var(--surface-light);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--ocean-light);
}

.service-card-media {
  position: relative;
  height: 240px;
  background: var(--navy-darkest);
  overflow: hidden;
}

.service-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.service-num-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(4, 22, 38, 0.85);
  color: var(--ocean-light);
  font-family: monospace;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.service-tag-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--white);
  color: var(--deep-navy);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.service-card-title-overlay {
  position: absolute;
  bottom: 16px;
  left: 20px;
  right: 20px;
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.service-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
  justify-content: space-between;
}

.service-feature-list {
  margin: 18px 0;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-dark);
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.check-icon {
  color: var(--primary-blue);
  font-weight: bold;
}

/* GLOBAL NETWORK / WORLD MAP SECTION */
.section-network {
  padding: 96px 0;
  background-color: var(--navy-darkest);
  color: var(--white);
  position: relative;
}

.map-card {
  background: #061e33;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 36px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.map-svg-wrap {
  width: 100%;
  aspect-ratio: 2 / 1;
  min-height: 360px;
}

@keyframes dash {
  to {
    stroke-dashoffset: -40;
  }
}

.route-animated {
  stroke-dasharray: 4 4;
  animation: dash 2.5s linear infinite;
}

.map-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  background: rgba(4, 22, 38, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  margin-top: 14px;
}

/* Region Tabs */
.region-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.region-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.region-btn:hover, .region-btn.active {
  background: rgba(0, 163, 224, 0.2);
  border-color: var(--primary-blue);
  color: var(--white);
}

.region-btn-title {
  font-weight: 700;
  font-size: 0.85rem;
}

.region-btn-sub {
  font-size: 0.7rem;
  color: var(--ocean-light);
  margin-top: 2px;
}

.region-detail-box {
  background: rgba(4, 22, 38, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* CAPABILITY PILLARS */
.section-capabilities {
  padding: 96px 0;
  background-color: var(--white);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.cap-card {
  background: var(--surface-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all 0.3s;
}

.cap-card:hover {
  background: var(--white);
  border-color: var(--ocean-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.cap-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-tint);
  color: var(--primary-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.cap-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--deep-navy);
  margin-bottom: 10px;
}

.cap-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* WORKFLOW PROCESS */
.section-workflow {
  padding: 96px 0;
  background-color: var(--navy-darkest);
  color: var(--white);
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.workflow-step {
  background: rgba(8, 43, 73, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s;
}

.workflow-step:hover {
  border-color: var(--ocean-light);
}

.workflow-step-num {
  font-size: 1.75rem;
  font-family: monospace;
  font-weight: 900;
  color: var(--ocean-light);
  margin-bottom: 12px;
}

.workflow-step-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 8px;
}

.workflow-step-desc {
  font-size: 0.85rem;
  color: #94A3B8;
  line-height: 1.5;
}

/* TRACKING MODULE */
.section-tracking {
  padding: 64px 0;
  background-color: var(--deep-navy);
  color: var(--white);
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.tracking-form {
  display: flex;
  max-width: 600px;
  margin: 24px auto 0;
  gap: 10px;
}

.tracking-input {
  flex: 1;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(4, 22, 38, 0.8);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
}

.tracking-input:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 10px rgba(0, 163, 224, 0.4);
}

/* QUOTE FORM & CONTACT SECTION */
.section-quote {
  padding: 96px 0;
  background-color: var(--surface-light);
}

.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: flex-start;
}

.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-dark);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 163, 224, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* SUCCESS MODAL / BOX */
.success-box {
  display: none;
  background: var(--surface-tint);
  border: 1px solid var(--primary-blue);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  margin-top: 16px;
}

.success-icon {
  width: 50px;
  height: 50px;
  background: var(--white);
  color: var(--primary-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 12px;
}

/* FOOTER */
.site-footer {
  background-color: var(--navy-darkest);
  color: #94A3B8;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 72px 0 36px;
}

.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, 0.1);
}

.footer-col-title {
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.875rem;
}

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

.footer-logo-card {
  background: var(--white);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 54px;
  width: auto;
  margin-bottom: 16px;
}

.footer-logo-img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  font-size: 0.75rem;
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

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

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .services-grid { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr 1fr; }
  .workflow-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .quote-grid { grid-template-columns: 1fr; }
  .intro-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .top-strip { display: none; }
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .hero-title { font-size: 2.25rem; }
  .hero-strip-grid { grid-template-columns: 1fr 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .workflow-grid { grid-template-columns: 1fr; }
  .region-tabs { grid-template-columns: 1fr 1fr; }
  .region-detail-box { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
  .form-grid-2 { grid-template-columns: 1fr; }
}