:root {
  --ink: #17212b;
  --muted: #5c6b78;
  --line: #dbe3e8;
  --paper: #f7faf9;
  --white: #ffffff;
  --navy: #113a5c;
  --teal: #0f8b8d;
  --gold: #d89c35;
  --red: #b94c43;
  --shadow: 0 18px 50px rgba(17, 58, 92, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  width: 100%;
  padding: 18px clamp(18px, 5vw, 72px);
  color: var(--white);
  transition: background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 32px rgba(23, 33, 43, 0.1);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 208px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--gold);
  color: #1f2630;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: currentColor;
  font-size: 12px;
  opacity: 0.75;
}

.main-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  opacity: 0.86;
}

.main-nav a:hover {
  opacity: 1;
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 0;
  border-radius: 6px;
  padding: 0 20px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.header-cta {
  background: var(--gold);
  color: #17212b;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 6px;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("assets/export-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(10, 28, 43, 0.92) 0%, rgba(10, 28, 43, 0.74) 42%, rgba(10, 28, 43, 0.16) 100%),
    linear-gradient(0deg, rgba(10, 28, 43, 0.58), rgba(10, 28, 43, 0.08));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding-top: 88px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 660px;
  margin-bottom: 22px;
  font-size: clamp(44px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

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

.btn.secondary {
  border: 1px solid rgba(255, 255, 255, 0.52);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 620px;
  margin: 52px 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-stats div {
  padding: 22px 24px 0 0;
}

.hero-stats dt {
  font-size: 30px;
  font-weight: 800;
}

.hero-stats dd {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip span {
  min-height: 74px;
  display: grid;
  place-items: center;
  background: var(--white);
  color: var(--navy);
  font-weight: 800;
  text-align: center;
  padding: 14px;
}

.section {
  padding: clamp(70px, 9vw, 118px) clamp(18px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(220px, 360px) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  max-width: 1180px;
  margin: 0 auto 38px;
}

.section-heading h2,
.quality-panel h2,
.contact-copy h2 {
  margin-bottom: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.06;
  letter-spacing: 0;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, 0.95fr);
  gap: 42px;
  max-width: 1250px;
  margin: 0 auto;
}

.intro .section-heading {
  display: block;
  margin: 0;
}

.intro-copy {
  color: var(--muted);
  font-size: 18px;
}

.product-grid,
.market-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.product-card,
.market-grid article {
  min-height: 270px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(23, 33, 43, 0.05);
}

.product-card .icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 30px;
  border-radius: 6px;
  background: rgba(15, 139, 141, 0.12);
  color: var(--teal);
  font-weight: 800;
}

.product-card h3,
.market-grid h3,
.timeline h3 {
  margin-bottom: 12px;
  color: var(--navy);
  font-size: 20px;
}

.product-card p,
.market-grid p,
.timeline p,
.quality-panel p,
.contact-copy p {
  color: var(--muted);
}

.product-card a {
  display: inline-block;
  margin-top: 12px;
  color: var(--red);
  font-weight: 800;
}

.services {
  background: var(--white);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 1180px;
  margin: 0 auto;
  border-top: 2px solid var(--line);
}

.timeline div {
  position: relative;
  padding: 32px 26px 0 0;
}

.timeline strong {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--teal);
  font-size: 14px;
}

.timeline div::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
}

.quality {
  background: #eaf1f1;
}

.quality-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.75fr);
  gap: 48px;
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(30px, 5vw, 56px);
  border-left: 6px solid var(--teal);
  background: var(--white);
  box-shadow: var(--shadow);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 7px;
  left: 0;
  width: 14px;
  height: 14px;
  border-radius: 3px;
  background: var(--gold);
}

.market-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.market-grid article {
  min-height: 210px;
  border-top: 5px solid var(--teal);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.78fr);
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
  background: var(--navy);
  color: var(--white);
}

.contact-copy {
  max-width: 620px;
}

.contact-copy h2 {
  color: var(--white);
}

.contact-copy p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-details {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.inquiry-form {
  display: grid;
  gap: 18px;
  padding: 28px;
  border-radius: 8px;
  background: var(--white);
  color: var(--ink);
}

.inquiry-form label {
  display: grid;
  gap: 7px;
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: #fbfdfd;
}

textarea {
  resize: vertical;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 72px);
  background: #101820;
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 18px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: inline-block;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .site-header.is-open .main-nav {
    position: absolute;
    top: 78px;
    left: 18px;
    right: 18px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    color: var(--ink);
    box-shadow: var(--shadow);
  }

  .site-header.is-open .main-nav a {
    padding: 14px;
  }

  .hero {
    min-height: 700px;
  }

  .trust-strip,
  .product-grid,
  .timeline,
  .market-grid,
  .intro,
  .quality-panel,
  .contact {
    grid-template-columns: 1fr 1fr;
  }

  .section-heading {
    display: block;
  }

  .timeline {
    gap: 24px;
    border-top: 0;
  }

  .timeline div {
    padding-top: 22px;
    border-top: 2px solid var(--line);
  }
}

@media (max-width: 680px) {
  .site-header {
    padding: 14px 16px;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(10, 28, 43, 0.94), rgba(10, 28, 43, 0.58));
  }

  .hero-content {
    width: calc(100% - 32px);
    margin-left: 16px;
  }

  h1 {
    font-size: 43px;
  }

  .hero-stats,
  .trust-strip,
  .product-grid,
  .timeline,
  .market-grid,
  .intro,
  .quality-panel,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero-stats {
    gap: 12px;
  }

  .hero-stats div {
    padding-top: 16px;
  }

  .section {
    padding: 62px 16px;
  }

  .product-card,
  .market-grid article {
    min-height: auto;
  }

  .quality-panel,
  .inquiry-form {
    padding: 22px;
  }

  .site-footer {
    display: grid;
  }
}