:root {
  --ink: #16191d;
  --muted: #68707a;
  --line: #dfe3e8;
  --bg: #f5f3ee;
  --panel: #ffffff;
  --steel: #24313f;
  --steel-2: #33485c;
  --amber: #f6b93b;
  --amber-2: #ffd46f;
  --green: #2f8f68;
  --red: #c84b3a;
  --blue: #3878b8;
  --radius: 8px;
  --shadow: 0 24px 60px rgba(22, 25, 29, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", "Aptos", "Segoe UI", Helvetica, sans-serif;
  letter-spacing: 0;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.topbar {
  background: var(--ink);
  color: rgba(255,255,255,.82);
  font-size: 13px;
}

.topbar .inner,
.nav .inner,
.container {
  width: min(1180px, calc(100vw - 42px));
  margin: 0 auto;
}

.topbar .inner {
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav .inner {
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  letter-spacing: -.02em;
  white-space: nowrap;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--ink), var(--steel-2));
  color: var(--amber);
  font-size: 20px;
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.08);
}

.logo small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #39404a;
  font-size: 14px;
  font-weight: 760;
}

.nav-links a {
  padding: 10px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  border-bottom-color: var(--amber);
}

.menu-toggle {
  display: none;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: white;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 900;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: var(--amber);
  color: var(--ink);
  font-weight: 900;
  box-shadow: 0 10px 20px rgba(246,185,59,.25);
}

.btn.dark { background: var(--ink); color: white; box-shadow: none; }
.btn.ghost { background: transparent; border-color: rgba(255,255,255,.35); color: white; box-shadow: none; }
.btn.light { background: white; border-color: var(--line); box-shadow: none; }

.hero {
  min-height: 650px;
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: white;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(11,13,16,.94) 0%, rgba(11,13,16,.70) 40%, rgba(11,13,16,.14) 74%, rgba(11,13,16,.04) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
  opacity: .88;
}

.hero .container {
  position: relative;
  z-index: 2;
  min-height: 650px;
  display: grid;
  align-items: center;
  padding: 72px 0;
}

.hero-copy { max-width: 660px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--amber-2);
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 12px;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--amber);
}

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

h1 {
  margin-bottom: 22px;
  font-size: 72px;
  line-height: .98;
  letter-spacing: -.055em;
}

.hero p {
  max-width: 590px;
  color: rgba(255,255,255,.84);
  font-size: 19px;
  line-height: 1.62;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

.proof-strip {
  position: relative;
  z-index: 2;
  margin-top: -52px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.proof-item {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.proof-item:last-child { border-right: 0; }
.proof-item b { display: block; font-size: 29px; letter-spacing: -.03em; }
.proof-item span { color: var(--muted); font-size: 13px; font-weight: 760; }

.section { padding: 86px 0; }
.section.tight { padding: 58px 0; }
.section.dark { background: var(--steel); color: white; }
.section.white { background: white; }

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 34px;
  align-items: end;
  margin-bottom: 34px;
}

.section-head h2 {
  max-width: 720px;
  margin: 0;
  font-size: 50px;
  line-height: 1.02;
  letter-spacing: -.045em;
}

.section-head p {
  max-width: 380px;
  color: var(--muted);
  line-height: 1.6;
}

.dark .section-head p { color: rgba(255,255,255,.72); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.card.pad { padding: 26px; }
.card h3 { margin-bottom: 10px; font-size: 22px; letter-spacing: -.02em; }
.card p, .muted { color: var(--muted); line-height: 1.58; }
.card img { width: 100%; height: 245px; object-fit: cover; }

.spec-table, table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

th, td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #f0f2f4;
  color: #303741;
  font-size: 13px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

tr:last-child td { border-bottom: 0; }

.split {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 38px;
  align-items: center;
}

.split.reverse { grid-template-columns: .95fr 1.05fr; }

.image-panel {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 420px;
  background: var(--steel);
  box-shadow: var(--shadow);
}

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

.badge-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 0; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: #eef1f4;
  color: #39404a;
  font-size: 13px;
  font-weight: 850;
}

.dark .badge { background: rgba(255,255,255,.12); color: rgba(255,255,255,.86); }

.cta-band {
  padding: 34px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(246,185,59,.94), rgba(255,212,111,.88)),
    linear-gradient(45deg, transparent, rgba(255,255,255,.3));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--ink);
}

.cta-band h2 { margin: 0 0 8px; font-size: 34px; letter-spacing: -.035em; }
.cta-band p { margin: 0; color: rgba(22,25,29,.72); line-height: 1.5; }

.form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

label { display: grid; gap: 8px; color: #3d444d; font-weight: 800; font-size: 13px; }
input, select, textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid #cfd5dc;
  border-radius: 5px;
  padding: 12px 13px;
  font: inherit;
  background: white;
}

textarea { min-height: 130px; resize: vertical; }
.full { grid-column: 1 / -1; }

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
}

.mini-nav {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.mini-nav a {
  border: 1px solid var(--line);
  background: white;
  padding: 10px 13px;
  border-radius: 5px;
  color: #414852;
  font-size: 13px;
  font-weight: 850;
}

.quote {
  padding: 28px;
  background: #f7f8fa;
  border-left: 5px solid var(--amber);
  color: #343b43;
  line-height: 1.65;
  font-size: 19px;
}

.timeline {
  display: grid;
  gap: 14px;
}

.timeline-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 18px;
  padding: 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.timeline-item b { color: var(--amber); font-size: 22px; }

.footer {
  background: #101216;
  color: rgba(255,255,255,.78);
  padding: 54px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 32px;
}

.footer h3 { color: white; margin-bottom: 12px; }
.footer a { display: block; margin: 8px 0; color: rgba(255,255,255,.72); }
.copyright { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); font-size: 13px; color: rgba(255,255,255,.48); }

.page-hero {
  background: var(--steel);
  color: white;
  padding: 86px 0 70px;
}

.page-hero h1 { max-width: 830px; }
.page-hero p { color: rgba(255,255,255,.76); max-width: 670px; line-height: 1.6; font-size: 18px; }

.article {
  max-width: 860px;
  margin: 0 auto;
  background: white;
  padding: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.article h2 { margin-top: 42px; font-size: 32px; letter-spacing: -.03em; }
.article p, .article li { color: #3e4550; line-height: 1.75; font-size: 17px; }

.calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  background: #111820;
  color: white;
  padding: 24px;
  border-radius: var(--radius);
  margin: 28px 0;
}

.calculator input { background: white; }
.result-box {
  display: grid;
  align-content: center;
  padding: 22px;
  background: rgba(255,255,255,.08);
  border-radius: 6px;
}
.result-box b { display: block; color: var(--amber); font-size: 44px; letter-spacing: -.04em; }

.identity-strip {
  background: #111820;
  color: rgba(255,255,255,.86);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.identity-strip .container {
  display: grid;
  grid-template-columns: 1.3fr repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,.1);
}

.identity-unit {
  background: #111820;
  padding: 17px 18px;
}

.identity-unit span {
  display: block;
  color: rgba(255,255,255,.52);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.identity-unit b {
  display: block;
  margin-top: 5px;
  font-size: 17px;
  letter-spacing: -.015em;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.logo-chip,
.market-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: white;
  color: #343b43;
  font-size: 13px;
  font-weight: 900;
}

.dark .logo-chip,
.dark .market-chip {
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.09);
  color: rgba(255,255,255,.88);
}

.product-card {
  display: grid;
  grid-template-rows: 210px 1fr;
  min-height: 100%;
}

.product-card img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  background: #edf0f2;
}

.product-card .pad {
  padding: 22px;
}

.spec-line {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: #4c5560;
  font-size: 14px;
  line-height: 1.45;
}

.spec-line span {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid #edf0f2;
  padding-bottom: 8px;
}

.spec-line b {
  color: var(--ink);
}

.video-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #111820;
  box-shadow: var(--shadow);
}

.video-card img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  opacity: .78;
}

.video-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.05), rgba(0,0,0,.68));
}

.video-overlay {
  position: absolute;
  z-index: 2;
  left: 24px;
  right: 24px;
  bottom: 24px;
  color: white;
}

.play-dot {
  min-width: 78px;
  height: 58px;
  padding: 0 14px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: var(--amber);
  color: var(--ink);
  font-weight: 900;
}

.evidence-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: stretch;
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.image-tile {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  min-height: 230px;
  background: #edf0f2;
}

.image-tile img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
}

.caption {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 9px 10px;
  border-radius: 5px;
  background: rgba(16,18,22,.78);
  color: white;
  font-size: 12px;
  font-weight: 850;
}

.certificate-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}

.certificate-card .seal {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  color: var(--ink);
  font-weight: 950;
  letter-spacing: -.02em;
}

.report-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  padding: 26px;
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.report-card img {
  width: 100%;
  min-height: 300px;
  object-fit: cover;
  border-radius: 6px;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.download-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8f9fa;
}

.download-card b {
  display: block;
  margin-bottom: 6px;
}

.author-box {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  margin: 26px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8f9fa;
}

.author-avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--steel);
  color: var(--amber);
  font-weight: 950;
}

.article-hero-image {
  margin: 28px 0 8px;
  overflow: hidden;
  border-radius: var(--radius);
}

.article-hero-image img {
  width: 100%;
  max-height: 430px;
  object-fit: cover;
}

.faq-grid {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8f9fa;
}

.faq-item h3 {
  margin-bottom: 8px;
}

.route-card {
  display: grid;
  gap: 12px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.rfq-panel {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 24px;
  align-items: stretch;
  padding: 28px;
  border-radius: var(--radius);
  background: #111820;
  color: white;
}

.rfq-panel p {
  color: rgba(255,255,255,.72);
}

.rfq-panel .card {
  color: var(--ink);
}

.map-card {
  min-height: 270px;
  display: grid;
  place-items: center;
  padding: 28px;
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(36,49,63,.08) 1px, transparent 1px),
    linear-gradient(rgba(36,49,63,.08) 1px, transparent 1px),
    #f4f6f7;
  background-size: 28px 28px;
  border: 1px solid var(--line);
  text-align: center;
}

.summary-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: white;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 0;
  border-bottom: 1px solid #edf0f2;
}

.summary-row b {
  color: #343b43;
}

.summary-row span {
  color: var(--muted);
  text-align: right;
}

.check-list {
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 24px;
  color: var(--muted);
  line-height: 1.55;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
}

@media (max-width: 900px) {
  .topbar { display: none; }
  .nav .inner { height: auto; padding: 12px 0; align-items: center; gap: 12px; }
  .logo { gap: 8px; min-width: 0; font-size: 18px; }
  .logo-mark { width: 38px; height: 38px; font-size: 17px; flex: 0 0 auto; }
  .logo small { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav .btn { min-height: 38px; padding: 0 12px; font-size: 13px; line-height: 1.08; white-space: normal; width: 82px; flex: 0 0 auto; text-align: center; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: 12px 22px 18px;
    background: white;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 20px 30px rgba(22,25,29,.12);
    z-index: 40;
  }
  .nav-links.open {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 18px;
  }
  .nav-links a {
    padding: 8px 0;
    border-bottom: 1px solid #edf0f2;
  }
  .hero, .hero .container { min-height: 620px; }
  h1 { font-size: 44px; letter-spacing: -.04em; line-height: 1.04; }
  .section-head h2 { font-size: 34px; line-height: 1.08; }
  .page-hero { padding: 58px 0 48px; }
  .hero p, .page-hero p { font-size: 16px; }
  .proof-grid, .grid-3, .grid-2, .grid-4, .split, .split.reverse, .footer-grid, .calculator, .identity-strip .container, .evidence-grid, .report-card, .download-grid, .rfq-panel, .summary-box {
    grid-template-columns: 1fr;
  }
  .identity-strip .container { width: 100%; grid-template-columns: repeat(2, 1fr); }
  .identity-unit { padding: 12px 14px; }
  .identity-unit:first-child { grid-column: 1 / -1; }
  .identity-unit span { font-size: 10px; }
  .identity-unit b { font-size: 14px; }
  .image-grid { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .cta-band { display: block; }
  .cta-band .btn { margin-top: 18px; }
  .form { grid-template-columns: 1fr; }
  .floating-cta { display: none; }
  table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }
  th, td {
    min-width: 160px;
  }
  .summary-row span { text-align: left; }
}