/* ==========================================================================
   Sinok Logistics — Core Stylesheet
   Design system: "The Customs Seal"
   A deep-blue, manifest-inspired corporate system built around the idea of
   an official stamp of clearance — used for trust badges, section markers,
   and the CTA interaction itself.
   ========================================================================== */

:root {
  /* Brand palette */
  --color-primary: #003366;
  --color-primary-dark: #001f3f;
  --color-primary-tint: #0b4a85;
  --color-primary-soft: rgba(0, 51, 102, 0.06);
  --color-accent: #F58220;
  --color-accent-dark: #d76c0f;
  --color-white: #FFFFFF;
  --color-light: #F5F7FA;
  --color-dark: #2D3748;
  --color-line: #E1E7EF;
  --color-success: #1f7a4d;

  /* Type */
  --font-display: 'Montserrat', sans-serif;
  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-ui: 'Inter', sans-serif;

  /* Layout */
  --container-width: 1220px;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-sm: 0 2px 8px rgba(0, 26, 51, 0.06);
  --shadow-md: 0 12px 32px rgba(0, 26, 51, 0.10);
  --shadow-lg: 0 24px 60px rgba(0, 26, 51, 0.16);
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); color: var(--color-primary); margin: 0 0 .6em; line-height: 1.2; font-weight: 600; }
h1 { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
button { font-family: var(--font-ui); cursor: pointer; }
input, textarea, select { font-family: var(--font-body); }

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-accent);
  color: #fff;
  padding: 12px 20px;
  z-index: 10000;
  font-family: var(--font-ui);
  font-weight: 600;
}
.skip-link:focus { left: 12px; top: 12px; }

section { padding: 96px 0; }
@media (max-width: 768px) { section { padding: 64px 0; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--color-accent);
  display: inline-block;
}

.section-head { max-width: 680px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: #55606f; font-size: 1.06rem; }

.bg-light { background: var(--color-light); }
.bg-primary { background: var(--color-primary); color: #fff; }
.bg-primary h2, .bg-primary h3, .bg-primary .eyebrow { color: #fff; }
.bg-primary .eyebrow::before { background: var(--color-accent); }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-ui);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-accent {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(245, 130, 32, 0.35);
}
.btn-accent:hover { background: var(--color-accent-dark); transform: translateY(-2px); }
.btn-outline {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-primary-outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-primary-outline:hover { background: var(--color-primary); color: #fff; }
.btn-block { width: 100%; }
.btn:active { transform: scale(.97); }

/* stamp-press effect on primary CTA */
.btn-accent.btn-stamp { position: relative; overflow: hidden; }
.btn-accent.btn-stamp:active::after {
  content: "";
  position: absolute; inset: 0;
  border: 2px solid #fff;
  border-radius: var(--radius-sm);
  animation: stampPress .35s ease-out;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--color-line);
  backdrop-filter: blur(6px);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: var(--color-primary); }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 800;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 4px;
  border: 1px dashed var(--color-accent);
  border-radius: 50%;
}
.brand span.sub { display: block; font-family: var(--font-ui); font-weight: 500; font-size: 0.62rem; letter-spacing: 0.16em; color: var(--color-accent); text-transform: uppercase; }

.nav-menu { display: flex; align-items: center; gap: 6px; }
.nav-menu a {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--color-dark);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  position: relative;
}
.nav-menu a:hover, .nav-menu a[aria-current="page"] { color: var(--color-primary); background: var(--color-primary-soft); }
.nav-cta { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  background: none; border: none; padding: 8px;
  width: 44px; height: 44px;
  flex-direction: column; justify-content: center; gap: 5px;
}
.nav-toggle span { display: block; height: 2px; background: var(--color-primary); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: linear-gradient(200deg, rgba(0,20,41,0.92) 10%, rgba(0,51,102,0.75) 55%, rgba(0,51,102,0.55)),
              url('https://images.unsplash.com/photo-1494412651409-8963ce7935a7?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; padding: 140px 0 100px; }
.hero .eyebrow { color: var(--color-accent); }
.hero h1 { color: #fff; font-size: clamp(2.2rem, 5vw, 3.6rem); }
.hero p.lead { font-size: 1.18rem; color: #d7e2ef; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 32px; }
.hero-scroll {
  position: absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: #cfdcec; font-family: var(--font-ui); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  z-index: 2;
}
.hero-scroll .dot-track { width: 2px; height: 40px; background: rgba(255,255,255,0.3); position: relative; overflow: hidden; }
.hero-scroll .dot-track::after {
  content: ""; position: absolute; top: -14px; left: 0; width: 100%; height: 14px; background: var(--color-accent);
  animation: scrollDot 1.8s ease-in-out infinite;
}
.hero-border-strip {
  position: absolute; left: 0; right: 0; bottom: 0; height: 10px; z-index: 2;
  background-image: repeating-linear-gradient(90deg, var(--color-accent) 0 22px, transparent 22px 40px);
  opacity: 0.9;
}

/* small page hero (interior pages) */
.page-hero {
  background: linear-gradient(120deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 76px 0 64px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  border: 1px dashed rgba(255,255,255,0.25); border-radius: 50%;
}
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 10px; }
.breadcrumb { font-family: var(--font-ui); font-size: 13px; color: #b9cadf; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Cards ---------- */
.card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: background var(--transition), color var(--transition);
}
.card:hover .card-icon { background: var(--color-accent); color: #fff; }
.card h3 { font-size: 1.15rem; }
.card p { color: #58637a; font-size: 0.97rem; margin-bottom: 0; }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Stamp badge (signature element) ---------- */
.seal {
  --seal-color: var(--color-primary);
  width: 118px; height: 118px;
  border: 2.5px solid var(--seal-color);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  position: relative;
  color: var(--seal-color);
  font-family: var(--font-ui);
  transform: rotate(-9deg);
  flex-shrink: 0;
}
.seal::before {
  content: "";
  position: absolute; inset: 8px;
  border: 1px dashed var(--seal-color);
  border-radius: 50%;
  opacity: 0.7;
}
.seal strong { display: block; font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; line-height: 1.3; }
.seal span { display: block; font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.8; margin-top: 2px; }
.seal.accent { --seal-color: var(--color-accent); }
.seal.on-dark { --seal-color: #fff; }

.seal-row { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }

/* ---------- Stats ---------- */
.stats-strip { background: var(--color-primary-dark); color: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2rem, 4vw, 2.9rem); color: var(--color-accent); }
.stat .label { font-family: var(--font-ui); font-size: 0.9rem; letter-spacing: 0.03em; color: #cdd9e8; margin-top: 4px; }

/* ---------- Process timeline ---------- */
.route-line { position: relative; }
.route-track {
  position: absolute; top: 34px; left: 0; right: 0; height: 2px;
  background-image: repeating-linear-gradient(90deg, var(--color-line) 0 10px, transparent 10px 20px);
}
.route-steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; position: relative; }
.route-step { text-align: center; }
.waypoint {
  width: 70px; height: 70px; border-radius: 50%;
  background: #fff; border: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin: 0 auto 18px;
  position: relative; z-index: 2;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.route-step:hover .waypoint { background: var(--color-accent); border-color: var(--color-accent); color: #fff; transform: scale(1.08); }
.waypoint .step-no { position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; background: var(--color-accent); color: #fff; border-radius: 50%; font-size: 11px; font-weight: 800; display: flex; align-items: center; justify-content: center; font-family: var(--font-ui); }
.route-step h4 { font-size: 0.98rem; margin-bottom: 6px; }
.route-step p { font-size: 0.85rem; color: #667186; margin: 0; }

/* ---------- Testimonials ---------- */
.testi-track { display: flex; gap: 24px; overflow: hidden; }
.testi-card {
  background: #fff; border: 1px solid var(--color-line); border-radius: var(--radius-md);
  padding: 30px; min-width: 340px; flex: 1;
}
.testi-stars { color: var(--color-accent); margin-bottom: 14px; letter-spacing: 3px; }
.testi-person { display: flex; align-items: center; gap: 14px; margin-top: 20px; }
.testi-photo { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
.testi-name { font-weight: 700; color: var(--color-primary); font-size: 0.95rem; }
.testi-role { font-size: 0.82rem; color: #778; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-primary), var(--color-primary-dark));
  color: #fff; text-align: center; border-radius: var(--radius-lg);
  padding: 70px 40px; position: relative; overflow: hidden;
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0 2px, transparent 2px 26px);
}
.cta-band h2 { color: #fff; }
.cta-band .btn-row { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 26px; position: relative; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-dark); color: #c7cfdb; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { color: #a6b0c0; font-size: 0.92rem; }
.footer-col h5 { color: #fff; font-family: var(--font-ui); font-size: 0.95rem; letter-spacing: 0.03em; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col a { color: #b6c0d0; font-size: 0.92rem; transition: color var(--transition); }
.footer-col a:hover { color: var(--color-accent); }
.footer-contact li { display: flex; gap: 10px; font-size: 0.9rem; margin-bottom: 14px; align-items: flex-start; }
.footer-contact i { color: var(--color-accent); margin-top: 3px; }
.social-row { display: flex; gap: 10px; margin-top: 18px; }
.social-row a { width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.18); display: flex; align-items: center; justify-content: center; transition: background var(--transition), border-color var(--transition); }
.social-row a:hover { background: var(--color-accent); border-color: var(--color-accent); }
.newsletter-form { display: flex; gap: 8px; margin-top: 6px; }
.newsletter-form input { flex: 1; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.06); color: #fff; font-size: 0.9rem; }
.newsletter-form input::placeholder { color: #93a0b3; }
.newsletter-form button { padding: 12px 18px; border-radius: var(--radius-sm); border: none; background: var(--color-accent); color: #fff; font-weight: 700; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 24px 0; font-size: 0.85rem; color: #8994a6; flex-wrap: wrap; gap: 10px; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  border: none; box-shadow: var(--shadow-md);
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-accent); }

/* ---------- Forms ---------- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label { display: block; font-family: var(--font-ui); font-weight: 600; font-size: 0.88rem; margin-bottom: 7px; color: var(--color-dark); }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border: 1.5px solid var(--color-line); border-radius: var(--radius-sm);
  font-size: 0.95rem; color: var(--color-dark); transition: border-color var(--transition), box-shadow var(--transition); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-soft); outline: none; }
.field.error input, .field.error select, .field.error textarea { border-color: #d5493a; }
.field .error-msg { display: none; color: #d5493a; font-size: 0.8rem; margin-top: 6px; font-family: var(--font-ui); }
.field.error .error-msg { display: block; }
.form-success { display: none; background: #eafaf1; border: 1px solid #b6e6cc; color: var(--color-success); padding: 16px 18px; border-radius: var(--radius-sm); font-family: var(--font-ui); font-weight: 600; margin-bottom: 20px; }
.form-success.show { display: block; }

/* ---------- Misc components ---------- */
.tag-pill { display: inline-block; padding: 5px 14px; border-radius: 30px; background: var(--color-primary-soft); color: var(--color-primary); font-family: var(--font-ui); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.03em; text-transform: uppercase; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.divider-dashed { border: none; border-top: 2px dashed var(--color-line); margin: 60px 0; }

.accordion-item { border-bottom: 1px solid var(--color-line); }
.accordion-trigger {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  background: none; border: none; text-align: left; padding: 22px 0;
  font-family: var(--font-heading); font-weight: 600; font-size: 1.02rem; color: var(--color-primary);
}
.accordion-trigger i { transition: transform var(--transition); color: var(--color-accent); }
.accordion-item.open .accordion-trigger i { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height var(--transition); }
.accordion-item.open .accordion-panel { max-height: 400px; }
.accordion-panel p { padding-bottom: 20px; color: #58637a; }

.whatsapp-fab {
  position: fixed; left: 24px; bottom: 24px; z-index: 900;
  background: #25D366; color: #fff; width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
  box-shadow: var(--shadow-md); transition: transform var(--transition);
}
.whatsapp-fab:hover { transform: scale(1.08); }

.blog-card img { border-radius: var(--radius-md) var(--radius-md) 0 0; height: 210px; object-fit: cover; }
.blog-card { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-line); background: #fff; transition: box-shadow var(--transition), transform var(--transition); }
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.blog-body { padding: 24px; }
.blog-meta { font-family: var(--font-ui); font-size: 0.78rem; color: var(--color-accent); font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 10px; }
.blog-body h3 { font-size: 1.08rem; }
.blog-body p { color: #58637a; font-size: 0.92rem; }
.read-more { font-family: var(--font-ui); font-weight: 700; font-size: 0.85rem; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; }
.read-more i { transition: transform var(--transition); }
.blog-card:hover .read-more i { transform: translateX(4px); }

.map-embed { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-line); height: 340px; }
.map-embed iframe { width: 100%; height: 100%; border: 0; }

.leader-card { text-align: center; }
.leader-photo { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin: 0 auto 18px; border: 4px solid var(--color-light); }
.leader-role { color: var(--color-accent); font-family: var(--font-ui); font-size: 0.85rem; font-weight: 700; margin-bottom: 8px; }

.value-list li { display: flex; gap: 14px; margin-bottom: 20px; }
.value-list .card-icon { width: 44px; height: 44px; font-size: 1.1rem; margin-bottom: 0; }

.industry-card { text-align: center; padding: 30px 20px; }
.industry-card i { font-size: 2rem; color: var(--color-primary); margin-bottom: 14px; transition: color var(--transition); }
.industry-card:hover i { color: var(--color-accent); }

.service-detail { padding: 90px 0; border-bottom: 1px solid var(--color-line); }
.service-detail:nth-child(even) .two-col { direction: rtl; }
.service-detail:nth-child(even) .two-col > * { direction: ltr; }
.benefit-list li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 0.95rem; }
.benefit-list i { color: var(--color-success); margin-top: 4px; }