:root {
  --ink: #172026;
  --muted: #5e6a72;
  --line: #dce4e8;
  --soft: #f5f7f8;
  --panel: #ffffff;
  --brand: #0f766e;
  --brand-dark: #0b4f4a;
  --accent: #c4512f;
  --warm: #fbf2e9;
  --shadow: 0 18px 45px rgba(23, 32, 38, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 20px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

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

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #ffffff;
  background: var(--brand);
  border-radius: 6px;
  font-weight: 700;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.main-nav {
  display: none;
  color: var(--muted);
  font-size: 14px;
  gap: 18px;
}

.main-nav a:hover {
  color: var(--brand-dark);
}

.header-action,
.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 6px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.header-action,
.button.primary,
.contact-form button {
  color: #ffffff;
  background: var(--brand);
}

.button.secondary {
  color: var(--brand-dark);
  background: #ffffff;
  border-color: #b7d6d2;
}

section {
  padding: 58px 20px;
}

.wrap {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 860px;
  font-size: clamp(38px, 7vw, 70px);
}

h2 {
  max-width: 760px;
  font-size: clamp(28px, 4.8vw, 44px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 0;
  color: var(--muted);
}

.lead {
  max-width: 760px;
  font-size: 18px;
}

.hero {
  min-height: calc(100vh - 68px);
  display: grid;
  align-items: end;
  padding: 72px 20px 36px;
  color: #ffffff;
  background:
    radial-gradient(circle at 80% 20%, rgba(196, 81, 47, 0.22), transparent 34%),
    linear-gradient(90deg, rgba(8, 22, 28, 0.92), rgba(8, 22, 28, 0.72)),
    linear-gradient(135deg, rgba(15, 118, 110, 0.34), rgba(196, 81, 47, 0.18)),
    #16333a;
}

.hero .wrap {
  display: grid;
  gap: 26px;
}

.hero p {
  color: rgba(255, 255, 255, 0.84);
}

.hero .eyebrow {
  color: #ffd5bf;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.trust-points,
.grid,
.check-list {
  display: grid;
  gap: 14px;
}

.trust-points {
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-points li {
  padding: 12px 14px;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.13);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
}

.section-head {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.card {
  min-height: 100%;
  padding: 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.card p,
.faq-item p {
  margin-top: 8px;
}

.card .tag {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
}

.soft-band {
  background: var(--soft);
}

.two-col {
  display: grid;
  gap: 24px;
}

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

.image-placeholder {
  display: grid;
  min-height: 220px;
  align-content: center;
  gap: 10px;
  padding: 22px;
  color: var(--muted);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(196, 81, 47, 0.1)),
    var(--warm);
  border: 1px dashed #c8b49c;
  border-radius: 8px;
}

.image-placeholder strong {
  display: block;
  color: var(--ink);
}

.image-placeholder span {
  display: block;
}

.image-placeholder.has-image {
  padding: 0;
  overflow: hidden;
  background: #f7f9fa;
  border-style: solid;
}

.image-placeholder.has-image img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: contain;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 13px 14px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.rfq {
  background: var(--brand-dark);
  color: #ffffff;
}

.rfq p {
  color: rgba(255, 255, 255, 0.78);
}

.rfq-box {
  display: grid;
  gap: 24px;
  align-items: start;
}

.contact-form {
  display: grid;
  gap: 12px;
  padding: 18px;
  color: var(--ink);
  background: #ffffff;
  border-radius: 8px;
}

.contact-form label {
  display: grid;
  gap: 6px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  color: var(--ink);
  background: #f9fbfb;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

.success-message {
  display: grid;
  gap: 10px;
}

.faq-item {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: grid;
  gap: 8px;
  padding: 24px 20px;
  color: #ffffff;
  background: #111a1f;
}

.site-footer span {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 560px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand {
    min-width: 0;
  }

  .brand small {
    line-height: 1.2;
  }

  .header-action {
    width: 100%;
  }
}

@media (min-width: 720px) {
  section {
    padding: 78px 28px;
  }

  .hero {
    padding: 86px 28px 42px;
  }

  .trust-points,
  .grid,
  .placeholder-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-col,
  .rfq-box {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .main-nav {
    display: flex;
  }

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