/* =====================================================================
   Tong Da Logistics · 通达物流 — single-page static site
   Maritime-navy base + beacon-amber accent, echoing the network SVG.
   Type: Space Grotesk (display/labels) · Inter (body) · Noto Sans SC (CJK)
   No frameworks.
   ===================================================================== */

:root {
  --navy-900: #0a1e38;
  --navy-800: #0b2f5b;
  --navy-700: #13365c;
  --navy-600: #1d4a7c;
  --amber: #f2a23b;
  --amber-soft: #ffb85c;
  --amber-dark: #d9831f;
  --steel: #8faec9;
  --ink: #14293e;
  --muted: #5a6b7c;
  --line: #e2e8ef;
  --paper: #ffffff;
  --paper-soft: #f5f7fb;
  --blue-soft: #eaf1f9;
  --shadow-sm: 0 2px 8px rgba(11, 47, 91, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 47, 91, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 28, 52, 0.18);
  --radius: 14px;
  --radius-sm: 9px;
  --container: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Space Grotesk", "Noto Sans SC", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "Segoe UI", "PingFang SC", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 16px;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--navy-600); text-decoration: none; }
a:hover { color: var(--navy-800); }
button { font-family: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 4px;
}

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

/* ------------------------------------------------------------------ */
/* Reveal-on-scroll                                                    */
/* ------------------------------------------------------------------ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.in { opacity: 1; transform: none; }

/* ------------------------------------------------------------------ */
/* Header / nav                                                        */
/* ------------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 70px;
}

.brand { flex: none; }
.brand-logo { height: 56px; width: auto; }

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.nav-links a {
  display: block;
  padding: 9px 14px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  position: relative;
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.nav-links a:hover { color: var(--navy-800); }
.nav-links a.active { color: var(--navy-800); }
.nav-links a.active::after { transform: scaleX(1); }

.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  background: var(--paper-soft);
}
.lang-toggle button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  color: var(--muted);
  transition: all 0.2s var(--ease);
}
.lang-toggle button.on {
  background: var(--navy-800);
  color: #fff;
}

.nav-cta {
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--amber);
  color: var(--navy-900);
  font-weight: 700;
  font-size: 14px;
  transition: background 0.2s var(--ease), transform 0.15s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--amber-soft); color: var(--navy-900); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  padding: 8px;
  margin-left: auto;
  border-radius: 8px;
  flex-direction: column;
  gap: 5px;
}
.nav-toggle span {
  width: 26px;
  height: 2.5px;
  background: var(--navy-800);
  border-radius: 2px;
  display: block;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

/* ------------------------------------------------------------------ */
/* Buttons                                                             */
/* ------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform 0.15s var(--ease), background 0.2s var(--ease),
    color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: var(--navy-900); }
.btn-primary:hover { background: var(--amber-soft); color: var(--navy-900); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-whatsapp { background: #128c5e; color: #fff; }
.btn-whatsapp:hover { background: #0e7a52; color: #fff; }

/* Back-to-top button (fixed bottom-right) */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 90;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--navy-900);
  color: var(--amber);
  border: 1px solid rgba(242, 162, 59, 0.55);
  box-shadow: 0 8px 24px rgba(8, 23, 43, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease),
    visibility 0.25s, background 0.2s var(--ease), color 0.2s var(--ease);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover {
  background: var(--amber);
  color: var(--navy-900);
  border-color: var(--amber);
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top { transition: none; }
}

/* ------------------------------------------------------------------ */
/* Section scaffolding                                                 */
/* ------------------------------------------------------------------ */
section { padding: 92px 0; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-dark);
  margin: 0 0 14px;
}
.kicker::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--amber);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  color: var(--navy-800);
  margin: 0 0 18px;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.section-sub {
  font-size: 17px;
  color: var(--muted);
  margin: 0 0 44px;
  max-width: 640px;
}

/* ------------------------------------------------------------------ */
/* Hero + banner carousel                                              */
/* ------------------------------------------------------------------ */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding: 0;
}
.hero-banner {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.3s var(--ease);
  z-index: 0;
}
.hero-banner.on { opacity: 1; }
.hero-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-banner.banner-1 .banner-layer {
  position: absolute;
  inset: 0;
  background: url("../img/hero-banner.png") center/cover no-repeat;
  transform-origin: center;
}

/* SF-Express-style zoom-out (由大到小) on the active banner */
@keyframes heroZoomOut {
  from { transform: scale(1.15); }
  to   { transform: scale(1); }
}
.hero-banner img,
.hero-banner.banner-1 .banner-layer { transform-origin: center; }
.hero-banner.on img,
.hero-banner.banner-1.on .banner-layer {
  animation: heroZoomOut 4s var(--ease) forwards;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    /* near-opaque panel behind the left-aligned text so the image never
       overwhelms the headline; fades out by ~62% where the subject sits */
    linear-gradient(100deg,
      rgba(8, 23, 43, 0.95) 0%,
      rgba(8, 23, 43, 0.85) 34%,
      rgba(8, 23, 43, 0.48) 68%,
      rgba(8, 23, 43, 0.12) 100%),
    /* subtle blue cast across the whole frame */
    linear-gradient(112deg,
      rgba(11, 47, 91, 0.55) 0%,
      rgba(10, 28, 52, 0.30) 100%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding: 130px 24px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 30px;
}
.hero-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--amber);
}
.hero-eyebrow::after {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px, 6.2vw, 68px);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.hero-title .accent { color: var(--amber); }
.hero-sub {
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
  max-width: 580px;
  margin: 0 0 38px;
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
}
.hero-tags li { display: inline-flex; align-items: center; }
.hero-tags li + li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  margin: 0 16px;
  opacity: 0.9;
}
.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.hero-dots button {
  width: 34px;
  height: 5px;
  border-radius: 999px;
  border: 0;
  background: rgba(255, 255, 255, 0.35);
  transition: background 0.25s var(--ease), width 0.25s var(--ease);
}
.hero-dots button.on { background: var(--amber); }

/* ------------------------------------------------------------------ */
/* About                                                               */
/* ------------------------------------------------------------------ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.about-lead p { font-size: 17px; color: var(--muted); margin: 0 0 18px; }
.about-lead strong { color: var(--navy-800); }
.mission-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--blue-soft);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-top: 26px;
}
.mission-rule {
  flex: none;
  width: 4px;
  height: 100%;
  background: var(--amber);
  border-radius: 2px;
  align-self: stretch;
}
.mission-card h3 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 800;
  color: var(--navy-800);
  line-height: 1.3;
  font-family: var(--font-display);
}
.mission-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.06em;
}
.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.about-point {
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}
.about-point:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.point-icon {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber-dark);
  margin-bottom: 12px;
}
.point-body h4 { margin: 0 0 8px; font-size: 16px; color: var(--navy-800); font-family: var(--font-display); }
.point-body p { margin: 0; font-size: 14px; color: var(--muted); }

/* ------------------------------------------------------------------ */
/* Stats band (dark) — route-through-the-numbers                       */
/* ------------------------------------------------------------------ */
.stats {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-800));
  color: #fff;
  padding: 72px 0;
}
.stats-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.stats-kicker {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
  margin: 0;
}
.stats-foot {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  margin: 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat { position: relative; padding-top: 30px; }
.stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  background: var(--navy-900);
}
.stat:first-child::before {
  background: var(--amber);
  box-shadow: 0 0 0 5px rgba(242, 162, 59, 0.20);
}
.stat:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 7px;
  left: calc(50% + 15px);
  width: calc(100% - 30px);
  height: 2px;
  background: linear-gradient(90deg, rgba(242, 162, 59, 0.85), rgba(143, 174, 201, 0.5));
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(34px, 4.6vw, 56px);
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-num sup { font-size: 0.5em; color: var(--amber); }
.stat-label {
  margin-top: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

/* ------------------------------------------------------------------ */
/* Services                                                            */
/* ------------------------------------------------------------------ */
.services { background: var(--paper-soft); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.service-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 32px;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), var(--amber-soft));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--blue-soft);
  display: grid;
  place-items: center;
  margin-bottom: 22px;
}
.service-icon svg { width: 32px; height: 32px; stroke: var(--amber); }
.service-head h3 {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--navy-800);
  margin: 0 0 6px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.service-en {
  font-size: 13px;
  color: var(--amber-dark);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.service-lede { font-size: 15px; color: var(--ink); margin: 0 0 16px; }
.service-list { list-style: none; padding: 0; margin: 0; }
.service-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--muted);
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue-soft);
  border: 2px solid var(--amber);
}

/* ------------------------------------------------------------------ */
/* Network (dark)                                                      */
/* ------------------------------------------------------------------ */
.network { background: var(--navy-900); color: #fff; }
.network .kicker { color: var(--amber); }
.network .section-title { color: #fff; }
.network .section-sub { color: rgba(255, 255, 255, 0.72); }
.network-visual {
  margin: 6px auto 0;
  max-width: 1100px;
  padding: 0 24px;
}
.network-visual img { width: 100%; height: auto; border-radius: var(--radius); }
.network-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 44px;
}
.network-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 22px;
}
.network-item h4 { margin: 0 0 8px; font-size: 16px; font-weight: 800; color: #fff; font-family: var(--font-display); }
.network-item p { margin: 0; font-size: 14px; color: rgba(255, 255, 255, 0.7); }

/* ------------------------------------------------------------------ */
/* Incoterms                                                           */
/* ------------------------------------------------------------------ */
.incoterms { background: var(--blue-soft); }
.incoterms-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 44px;
  align-items: start;
}
.incoterms-intro { position: sticky; top: 100px; }
.incoterms-intro .section-sub { margin-bottom: 0; }
.incoterms-intro p { font-size: 16px; color: var(--muted); }
.incoterms-groups { display: grid; gap: 20px; }
.incoterm-group {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.incoterm-group h3 {
  margin: 0 0 18px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--navy-800);
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
}
.incoterm-group h3::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
}
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  color: var(--navy-800);
}

/* ------------------------------------------------------------------ */
/* Process                                                             */
/* ------------------------------------------------------------------ */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.step {
  position: relative;
  background: var(--paper-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px 26px;
}
.step-no {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--navy-800);
  color: var(--amber);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 18px;
}
.step h4 { font-size: 18px; color: var(--navy-800); margin: 0 0 8px; font-weight: 800; font-family: var(--font-display); }
.step p { margin: 0; font-size: 14px; color: var(--muted); }
.step::after {
  content: "";
  position: absolute;
  top: 40px;
  right: -14px;
  width: 24px;
  height: 2px;
  background: var(--amber);
  z-index: 2;
}
.step:last-child::after { display: none; }

/* ------------------------------------------------------------------ */
/* Testimonials                                                        */
/* ------------------------------------------------------------------ */
.testimonials { background: var(--paper-soft); }
.testi-viewport { --per-view: 3; overflow: hidden; }
.testi-track {
  display: flex;
  gap: 22px;
  transition: transform 0.55s var(--ease);
  will-change: transform;
}
.testi-card {
  flex: 0 0 calc((100% - (var(--per-view) - 1) * 22px) / var(--per-view));
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow-sm);
}
.testi-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.testi-logo {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--navy-800);
  color: var(--amber);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.testi-stars { color: var(--amber); font-size: 13px; letter-spacing: 1px; }
.testi-quote { flex: 1; margin: 0 0 16px; font-size: 14.5px; line-height: 1.6; color: var(--ink); }
.testi-name { margin: 0; font-size: 13px; font-weight: 700; color: var(--navy-800); }

/* carousel controls */
.testi-controls { display: flex; align-items: center; justify-content: center; gap: 24px; margin-top: 28px; }
.testi-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}
.testi-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 14px;
  height: 14px;
  background-color: var(--navy-800);
  -webkit-mask: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M15 6l-6 6 6 6' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / contain no-repeat;
          mask: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M15 6l-6 6 6 6' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / contain no-repeat;
  transition: background-color 0.2s var(--ease);
}
.testi-btn:hover { background: var(--navy-800); border-color: var(--navy-800); }
.testi-btn:hover::before { background-color: var(--amber); }
.testi-next::before { transform: rotate(180deg); }
.testi-dots { display: flex; gap: 10px; }
.testi-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 0;
  background: var(--line);
  cursor: pointer;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}
.testi-dots button.on { background: var(--amber); transform: scale(1.25); }

/* ------------------------------------------------------------------ */
/* FAQ                                                                 */
/* ------------------------------------------------------------------ */
.faq { background: var(--paper-soft); }

.faq-list { display: grid; gap: 14px; max-width: 860px; }

.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 26px;
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  color: var(--navy-800);
  cursor: pointer; list-style: none;
  transition: color 0.2s ease;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { color: var(--amber-dark); }

.faq-q::after {
  content: ""; flex: none; width: 14px; height: 14px;
  background-color: var(--amber);
  -webkit-mask: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / contain no-repeat;
          mask: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M6 9l6 6 6-6' fill='none' stroke='black' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / contain no-repeat;
  transition: transform 0.25s var(--ease);
}
.faq-item[open] .faq-q::after { transform: rotate(180deg); }

.faq-a { padding: 0 26px 24px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.faq-item[open] .faq-a { animation: faqOpen 0.28s var(--ease); }
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------------ */
/* Cooperation band                                                    */
/* ------------------------------------------------------------------ */
.coop {
  background: linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
  padding: 72px 0;
}
.coop-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.coop-inner h2 { font-family: var(--font-display); font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 10px; font-weight: 700; color: #fff; letter-spacing: -0.015em; }
.coop-inner p { margin: 0 0 20px; font-size: 17px; color: rgba(255, 255, 255, 0.75); max-width: 620px; }

/* ------------------------------------------------------------------ */
/* Contact                                                             */
/* ------------------------------------------------------------------ */
.contact { background: var(--paper-soft); }
.contact-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 44px;
  align-items: start;
}
.contact-form {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; }
.field label { font-size: 13px; font-weight: 700; color: var(--navy-800); }
.field input, .field select, .field textarea {
  font-family: inherit;
  font-size: 15px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(29, 74, 124, 0.14);
}
.field textarea { resize: vertical; min-height: 110px; }
.form-actions { display: flex; gap: 14px; margin-top: 8px; flex-wrap: wrap; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

.contact-cards { display: grid; gap: 16px; }
.contact-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.contact-card h4 { margin: 0 0 6px; font-size: 13px; font-weight: 800; color: var(--navy-800); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--font-display); }
.contact-card .cval { margin: 0; font-size: 15px; color: var(--muted); }
.contact-card a.cval:hover { color: var(--navy-800); }
.contact-card .cval-link { display: inline-block; margin-top: 8px; font-weight: 600; color: var(--navy-600); }

/* ------------------------------------------------------------------ */
/* Footer                                                              */
/* ------------------------------------------------------------------ */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-logo { height: 40px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 380px; }
.footer-col h5 {
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 0 0 18px;
  font-family: var(--font-display);
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; }
.footer-col a, .footer-col li { color: rgba(255, 255, 255, 0.72); font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
}

/* ------------------------------------------------------------------ */
/* Responsive                                                          */
/* ------------------------------------------------------------------ */
@media (max-width: 992px) {
  .hero-content { padding: 110px 24px; }
  .about-grid, .contact-grid, .incoterms-grid { grid-template-columns: 1fr; }
  .incoterms-intro { position: static; }
  .network-list { grid-template-columns: repeat(2, 1fr); }
  .testi-viewport { --per-view: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-tags { display: none; }
}

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

  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 8px 16px 16px;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 12px; font-size: 16px; }
  .nav-links a::after { display: none; }
  .nav { gap: 12px; }
  .brand { margin-right: auto; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 36px 16px; }
  .stat:not(:last-child)::after { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .about-points { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; gap: 16px; }
  .step::after { display: none; }
  .testi-viewport { --per-view: 1; }
  .faq-q { padding: 18px 20px; font-size: 16px; }
  .faq-a { padding: 0 20px 20px; }
  .network-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .coop-inner { flex-direction: column; align-items: flex-start; }
  .hero-dots { bottom: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-banner { transition: none; }
  .hero-banner.on img,
  .hero-banner.banner-1.on .banner-layer { animation: none; }
  .faq-q::after { transition: none; }
  .faq-item[open] .faq-a { animation: none; }
  .testi-track { transition: none; }
}
