:root {
  --ink: #14282d;
  --sea: #2f7481;
  --sea-deep: #1f5660;
  --foam: #edf7f7;
  --sand: #f6efe1;
  --paper: #fffdf8;
  --white: #ffffff;
  --muted: #64747a;
  --line: #d9e6e7;
  --shadow: 0 24px 60px rgba(20, 40, 45, 0.12);
  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-heading: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; text-rendering: optimizeLegibility; }
img, svg, iframe { max-width: 100%; }
a { color: inherit; }
.container-page { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.eyebrow { margin: 0 0 10px; color: var(--sea-deep); font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--font-heading); color: var(--ink); line-height: 1.08; margin: 0 0 14px; letter-spacing: 0; }
h1 { font-size: clamp(42px, 7vw, 88px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 48px); font-weight: 760; }
h3 { font-size: clamp(21px, 2vw, 28px); font-weight: 740; }
p { margin: 0 0 16px; color: var(--muted); }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,253,248,.92); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(217,230,231,.8); }
.site-header-inner { min-height: 82px; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; color: var(--ink); white-space: nowrap; }
.brand img { height: 43px; width: auto; }
.nav-primary { justify-self: end; display: flex; align-items: center; gap: 4px; padding: 7px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); box-shadow: 0 10px 30px rgba(20,40,45,.05); }
.nav-primary a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 15px; border-radius: 999px; color: #4a6167; text-decoration: none; font-size: 14px; font-weight: 700; }
.nav-primary a:hover, .nav-primary a[aria-current="page"] { background: var(--foam); color: var(--sea-deep); }
.page-hero { position: relative; overflow: hidden; padding: clamp(54px, 8vw, 106px) 0; background: linear-gradient(135deg, var(--foam), var(--paper) 56%, var(--sand)); border-bottom: 1px solid var(--line); }
.page-hero::after { content: ""; position: absolute; inset: auto -120px -190px auto; width: 420px; height: 420px; border: 1px solid rgba(47,116,129,.22); border-radius: 50%; }
.page-hero .container-page { position: relative; z-index: 1; display: grid; gap: clamp(32px, 6vw, 76px); align-items: center; }
.page-hero.split .container-page { grid-template-columns: minmax(0, .95fr) minmax(320px, .85fr); }
.page-hero .lead { max-width: 650px; color: #425a60; font-size: clamp(18px, 2vw, 23px); line-height: 1.55; }
.hero-visual { margin: 0; border-radius: 28px; overflow: hidden; box-shadow: var(--shadow); border: 10px solid rgba(255,255,255,.78); transform: rotate(1deg); }
.hero-visual img { display: block; width: 100%; height: min(520px, 54vw); object-fit: cover; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 21px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; font-weight: 800; transition: transform .18s ease, background .18s ease, color .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.button.primary:hover { background: var(--sea-deep); border-color: var(--sea-deep); }
.button.secondary { background: rgba(255,255,255,.7); color: var(--ink); }
.button.secondary:hover { border-color: var(--sea); color: var(--sea-deep); }
.section { padding: clamp(52px, 8vw, 96px) 0; }
.section + .section { border-top: 1px solid rgba(217,230,231,.7); }
.section.muted, .section.prose.two-col.muted { margin-inline: calc(50% - 50vw); padding-inline: max(20px, calc(50vw - 580px)); background: var(--foam); }
.section.intro { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(28px, 6vw, 72px); align-items: start; }
.section.intro > p { font-size: clamp(18px, 2vw, 23px); color: #435a60; line-height: 1.72; }
.section.split, .section.image-split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .7fr); gap: clamp(30px, 6vw, 76px); align-items: center; }
.section.image-split { grid-template-columns: minmax(280px, .85fr) minmax(0, 1fr); }
.section.image-split figure { margin: 0; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); }
.section.image-split img { display: block; width: 100%; height: 520px; object-fit: cover; }
.section.prose { max-width: 850px; }
.section.prose.two-col { max-width: none; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 6vw, 72px); }
.section p a, .article-content a, .contact-card a { color: var(--sea-deep); font-weight: 700; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.product-grid, .post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.product-card, .post-card, .contact-card { position: relative; display: block; min-height: 100%; padding: clamp(24px, 3vw, 34px); border: 1px solid var(--line); border-radius: 22px; background: var(--white); color: inherit; text-decoration: none; box-shadow: 0 18px 45px rgba(20,40,45,.06); transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.product-card::before, .post-card::before { content: ""; display: block; width: 42px; height: 3px; margin-bottom: 18px; background: var(--sea); border-radius: 999px; }
.product-card:hover, .post-card:hover { transform: translateY(-5px); border-color: rgba(47,116,129,.5); box-shadow: var(--shadow); }
.product-card span, .post-card span { display: block; margin-bottom: 8px; color: var(--sea-deep); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.product-card p, .post-card p { margin-bottom: 0; }
.side-note { padding: clamp(28px, 4vw, 44px); background: var(--ink); color: #fff; border-radius: 28px; box-shadow: var(--shadow); }
.side-note span { display: block; color: #a9dde2; font-size: 12px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 12px; }
.side-note strong { display: block; font-size: clamp(25px, 3vw, 36px); line-height: 1.15; margin-bottom: 14px; }
.side-note p { color: rgba(255,255,255,.75); margin: 0; }
.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 22px; align-items: stretch; }
.map-wrap { overflow: hidden; min-height: 360px; border-radius: 18px; border: 1px solid var(--line); }
.map-wrap iframe { display: block; width: 100%; min-height: 420px; border: 0; }
.article-shell { width: min(1000px, calc(100% - 40px)); }
.article { max-width: 860px; margin: 0 auto; padding: clamp(58px, 8vw, 100px) 0; }
.article-header { margin-bottom: 30px; }
.article-header h1 { font-size: clamp(36px, 5vw, 64px); }
.article-header > p { font-size: 20px; color: #425a60; }
.meta { color: #738388; font-size: 14px; font-weight: 700; }
.featured-image { margin: 32px 0 0; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.featured-image img { display: block; width: 100%; height: auto; }
.toc { margin: 34px 0 44px; padding: 26px 30px; border-radius: 22px; border: 1px solid var(--line); background: var(--foam); }
.toc h2 { font-family: var(--font-body); font-size: 13px; text-transform: uppercase; letter-spacing: .12em; color: var(--sea-deep); }
.toc ol { margin: 0; padding-left: 22px; display: grid; gap: 8px; }
.toc a { color: var(--ink); font-weight: 700; text-decoration: none; }
.toc a:hover { color: var(--sea-deep); }
.article-content h2 { margin-top: 42px; font-size: clamp(25px, 3vw, 36px); }
.article-content h3 { margin-top: 30px; font-size: clamp(21px, 2.2vw, 28px); }
.article-content p { color: #425a60; font-size: 18px; line-height: 1.78; }
.table-wrap { overflow-x: auto; margin: 24px 0 36px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
.comparison-table { width: 100%; min-width: 720px; border-collapse: collapse; }
.comparison-table th, .comparison-table td { padding: 15px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-table th { color: var(--sea-deep); font-size: 13px; letter-spacing: .08em; text-transform: uppercase; background: var(--foam); }
.comparison-table td { color: #425a60; }
.comparison-table tr:last-child td { border-bottom: 0; }
.faq-list h3 { margin-top: 26px; }
.site-footer { margin-top: 28px; padding: 64px 0 26px; background: linear-gradient(135deg, #102328, #214d55); color: rgba(255,255,255,.82); }
.footer-grid { display: grid; grid-template-columns: minmax(240px, 1.5fr) repeat(3, 1fr); gap: clamp(26px, 5vw, 70px); }
.footer-logo { display: block; height: 56px; width: auto; margin-bottom: 16px; }
.site-footer h2 { font-family: var(--font-body); color: rgba(255,255,255,.58); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; }
.site-footer p { color: rgba(255,255,255,.72); }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer a { color: rgba(255,255,255,.86); text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { margin-top: 44px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.13); color: rgba(255,255,255,.58); font-size: 14px; }
@media (max-width: 980px) {
  .site-header-inner { grid-template-columns: 1fr; gap: 12px; padding: 14px 0; }
  .nav-primary { justify-self: stretch; overflow-x: auto; border-radius: 18px; }
  .page-hero.split .container-page, .section.intro, .section.split, .section.image-split, .section.prose.two-col, .contact-grid { grid-template-columns: 1fr; }
  .product-grid, .post-grid { grid-template-columns: 1fr; }
  .section.image-split img { height: 360px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  body { overflow-x: hidden; }
  .container-page, .article-shell { width: min(100% - 28px, 1160px); }
  .site-header-inner, .nav-primary, .article, .article-header, .article-content { min-width: 0; }
  .brand span { display: none; }
  .nav-primary { max-width: 100%; }
  .nav-primary a { padding-inline: 12px; white-space: nowrap; }
  .page-hero { padding-top: 38px; }
  h1 { font-size: 42px; }
  .article-header h1 { font-size: 28px; line-height: 1.16; }
  .article-header > p, .article-content p { font-size: 17px; }
  .article-content h2 { font-size: 24px; }
  .article-content h3 { font-size: 21px; }
  .footer-grid { grid-template-columns: 1fr; }
}
