:root {
  --ocean: #006b7f;
  --ocean-dark: #004b59;
  --text: #11232a;
  --muted: #5c6f76;
  --line: #d9e7eb;
  --soft: #f4fafb;
  --white: #ffffff;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}

a {
  color: var(--ocean);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3 {
  line-height: 1.15;
  margin: 0 0 16px;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.1rem, 4vw, 4.8rem);
}

h2 {
  font-size: clamp(1.55rem, 2.4vw, 2.5rem);
}

h3 {
  font-size: 1.1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px max(18px, calc((100vw - var(--max)) / 2));
  backdrop-filter: blur(10px);
}

.brand,
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: 0.04em;
}

.brand img {
  border: 1px solid var(--line);
  border-radius: 6px;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.95rem;
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 6px;
  background: var(--ocean);
  color: #ffffff;
  font-weight: 700;
  border: 1px solid var(--ocean);
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
.nav-cta:hover {
  background: var(--ocean-dark);
  text-decoration: none;
}

.button.ghost {
  background: #ffffff;
  color: var(--ocean);
}

.nav-toggle {
  display: none;
}

.hero,
.page-hero,
.section,
.split,
.content-band,
.faq-list,
.form-section,
.blog-grid,
.article,
.cta-panel,
.breadcrumbs {
  max-width: var(--max);
  margin: auto;
  padding: 72px 18px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding-top: 52px;
}

.hero-copy p,
.page-hero p,
.lead {
  font-size: 1.14rem;
  color: var(--muted);
  max-width: 780px;
}

.eyebrow {
  text-transform: uppercase;
  color: var(--ocean);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-strip span,
.pill-grid span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: #ffffff;
  color: var(--text);
  font-size: 0.92rem;
}

.team-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: var(--soft);
}

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

.team-grid article {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.avatar {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ocean);
  color: #ffffff;
  font-weight: 800;
  margin-bottom: 10px;
}

.category-grid,
.feature-grid,
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.category-card,
.feature-grid article,
.blog-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #ffffff;
}

.category-card img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--soft);
  border-radius: 6px;
  margin-bottom: 12px;
}

.category-card span {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}

.category-card small {
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: start;
}

.muted,
.content-band,
.cta-panel {
  background: var(--soft);
  max-width: none;
}

.muted > *,
.content-band > *,
.cta-panel > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.stat-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  display: grid;
  gap: 8px;
  background: #ffffff;
}

.stat-box strong {
  font-size: 2rem;
  color: var(--ocean);
}

.check-list {
  padding-left: 20px;
}

.check-list li {
  margin: 8px 0;
}

.pill-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.faq-list details {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.cta-panel {
  text-align: center;
}

.breadcrumbs {
  padding-top: 18px;
  padding-bottom: 18px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

.product-detail {
  max-width: var(--max);
  margin: auto;
  padding: 48px 18px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 30px;
  border-top: 1px solid var(--line);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 22px 0;
}

.spec-grid div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.spec-grid dt {
  font-weight: 800;
}

.spec-grid dd {
  margin: 4px 0 0;
  color: var(--muted);
}

.image-card {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #ffffff;
}

.image-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  background: var(--soft);
}

.image-card figcaption {
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 8px;
}

.form-section {
  max-width: 880px;
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.inquiry-form label {
  display: grid;
  gap: 6px;
  font-weight: 800;
}

.inquiry-form input,
.inquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px;
  font: inherit;
}

.inquiry-form textarea,
.inquiry-form button,
.form-note {
  grid-column: 1 / -1;
}

.honeypot {
  position: absolute;
  left: -10000px;
}

.form-note {
  color: var(--muted);
  font-size: 0.94rem;
}

.article {
  max-width: 900px;
}

.article h2 {
  margin-top: 34px;
}

.blog-grid {
  align-items: stretch;
}

.site-footer {
  background: var(--ocean-dark);
  color: #e9fbff;
  padding: 46px 18px 20px;
}

.footer-grid {
  max-width: var(--max);
  margin: auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 26px;
}

.site-footer a {
  display: block;
  color: #ffffff;
  margin: 7px 0;
}

.site-footer h2 {
  font-size: 1rem;
}

.copyright {
  max-width: var(--max);
  margin: 30px auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 16px;
  color: #c9eef4;
}

.text-link {
  font-weight: 800;
}

.email {
  font-weight: 800;
}

.success,
.error {
  max-width: 760px;
  margin: 60px auto;
  padding: 20px;
  border-radius: 8px;
}

.success {
  background: #eefaf4;
  border: 1px solid #b8e4c7;
}

.error {
  background: #fff2f2;
  border: 1px solid #f0b6b6;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: inline-flex;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 10px 12px;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 71px;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
  }

  .main-nav.open {
    display: flex;
  }

  .hero,
  .split,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .category-grid,
  .feature-grid,
  .blog-grid,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .inquiry-form {
    grid-template-columns: 1fr;
  }

  .spec-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .category-grid,
  .feature-grid,
  .blog-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .site-header {
    padding: 10px 14px;
  }

  .brand span {
    font-size: 0.92rem;
  }

  .hero,
  .page-hero,
  .section,
  .split,
  .content-band,
  .faq-list,
  .form-section,
  .blog-grid,
  .article,
  .cta-panel {
    padding: 48px 16px;
  }

  .trust-strip span,
  .pill-grid span {
    width: 100%;
    border-radius: 6px;
  }

  .button {
    width: 100%;
  }
}