:root {
  --ink: #101417;
  --ink-soft: #364047;
  --paper: #f5f6f2;
  --white: #ffffff;
  --teal: #078c9b;
  --teal-dark: #056774;
  --line: #d7ddd9;
  --mist: #e7efec;
  --warm: #c7a36b;
  --radius: 18px;
  --shadow: 0 20px 60px rgba(14, 28, 32, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed; left: 1rem; top: -5rem; z-index: 100;
  padding: .7rem 1rem; color: white; background: var(--ink);
}
.skip-link:focus { top: 1rem; }
.container { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.eyebrow {
  margin: 0 0 .7rem; color: var(--teal-dark); font-weight: 800;
  font-size: .75rem; letter-spacing: .16em; text-transform: uppercase;
}
h1, h2, h3 { margin: 0; font-weight: 720; letter-spacing: -.035em; line-height: 1.08; }
h1 { font-size: clamp(2.25rem, 5.2vw, 5.1rem); }
h2 { font-size: clamp(2rem, 4vw, 3.7rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.65rem); }
p { margin: 0; }
.lead { color: var(--ink-soft); font-size: clamp(1.05rem, 1.8vw, 1.35rem); max-width: 760px; }
.muted { color: #667278; }
.small { font-size: .88rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
  position: sticky; top: 0; z-index: 50; border-bottom: 1px solid rgba(16, 20, 23, .1);
  background: rgba(245, 246, 242, .93); backdrop-filter: blur(16px);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; width: min(255px, 58vw); }
.brand img { width: 100%; height: auto; }
.site-nav { display: flex; align-items: center; gap: 1.6rem; font-size: .94rem; font-weight: 650; }
.site-nav a { padding: .65rem 0; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--teal-dark); }
.nav-products { position: relative; }
.nav-products summary { display: flex; align-items: center; gap: .45rem; padding: .65rem 0; cursor: pointer; list-style: none; }
.nav-products summary::-webkit-details-marker { display: none; }
.nav-products summary::after { content: ""; width: .45rem; height: .45rem; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: translateY(-.15rem) rotate(45deg); transition: transform .2s ease; }
.nav-products[open] summary::after { transform: translateY(.1rem) rotate(225deg); }
.nav-products summary:hover, .nav-products[open] summary { color: var(--teal-dark); }
.nav-dropdown { position: absolute; top: calc(100% + .7rem); left: -.9rem; z-index: 60; width: 315px; display: grid; gap: .15rem; padding: .55rem; background: white; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.nav-dropdown a { padding: .8rem .9rem; border-radius: 9px; line-height: 1.3; }
.nav-dropdown a:hover, .nav-dropdown a:focus-visible, .nav-dropdown a[aria-current="page"] { color: var(--teal-dark); background: var(--mist); }
.nav-cta { border: 1px solid var(--ink); border-radius: 999px; padding: .65rem 1rem !important; }
.nav-cta:hover { color: white !important; background: var(--ink); }
.menu-toggle { display: none; border: 0; background: transparent; padding: .5rem; font-weight: 700; }

.hero { padding: clamp(4rem, 8vw, 8rem) 0 4rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.hero-copy h1 span { color: var(--teal); }
.hero-copy .lead { margin-top: 1.5rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: .72rem 1.25rem; border: 1px solid var(--ink); border-radius: 999px;
  background: var(--ink); color: white; font-weight: 750; transition: .2s ease;
}
.button:hover { transform: translateY(-2px); background: var(--teal-dark); border-color: var(--teal-dark); }
.button.secondary { color: var(--ink); background: transparent; }
.button.secondary:hover { color: white; background: var(--ink); border-color: var(--ink); }
.hero-media { position: relative; min-height: 560px; }
.hero-media::before {
  content: ""; position: absolute; inset: 8% -15% -8% 10%; z-index: -1;
  background: repeating-linear-gradient(135deg, transparent 0 18px, rgba(7,140,155,.14) 18px 21px);
}
.hero-carousel { position: absolute; inset: 0; overflow: hidden; border-radius: 120px 18px 18px 18px; box-shadow: var(--shadow); background: #dfe8e5; }
.carousel-slides, .carousel-slide { position: absolute; inset: 0; }
.carousel-slide { display: none; }
.carousel-slide.is-active { display: block; animation: carousel-fade .45s ease both; }
.carousel-slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel-controls { position: absolute; top: 1rem; right: 1rem; display: flex; gap: .45rem; align-items: center; }
.carousel-controls button, .carousel-dots button { min-width: 42px; min-height: 42px; border: 1px solid rgba(255,255,255,.72); color: white; background: rgba(16,20,23,.72); cursor: pointer; backdrop-filter: blur(8px); }
.carousel-controls button { border-radius: 999px; }
.carousel-controls .carousel-pause { min-width: 64px; padding-inline: .75rem; font-size: .8rem; font-weight: 700; }
.carousel-arrow { font-size: 1.6rem; line-height: 1; }
.carousel-dots { position: absolute; right: 1rem; bottom: 1rem; display: flex; gap: .45rem; }
.carousel-dots button { min-width: 30px; min-height: 30px; width: 30px; height: 30px; padding: 0; border-radius: 50%; }
.carousel-dots button[aria-pressed="true"] { background: var(--teal); box-shadow: 0 0 0 2px white inset; }
.carousel-controls button:hover, .carousel-dots button:hover { background: var(--teal-dark); }
.carousel-controls button:focus-visible, .carousel-dots button:focus-visible { outline: 3px solid white; outline-offset: 3px; }
@keyframes carousel-fade { from { opacity: .65; } to { opacity: 1; } }
.hero-tag {
  position: absolute; left: -1.3rem; bottom: 2rem; max-width: 230px;
  padding: 1.1rem; color: white; background: var(--ink); border-radius: 14px;
  box-shadow: var(--shadow); font-size: .88rem;
}
.hero-tag strong { display: block; color: #56d4de; font-size: 1rem; }

.trust-strip { border-block: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 1.4rem; border-right: 1px solid var(--line); }
.trust-item:first-child { border-left: 1px solid var(--line); }
.trust-item strong { display: block; font-size: .9rem; }
.trust-item span { color: #667278; font-size: .84rem; }

.section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-tight { padding-block: clamp(3rem, 5vw, 4.5rem); }
.section-head { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2.5rem; }
.section-head .lead { max-width: 560px; }
.section.dark { color: white; background: var(--ink); }
.section.dark .eyebrow { color: #55d2dd; }
.section.dark .lead, .section.dark .muted { color: #b8c2c5; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.category-grid { grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); align-items: stretch; }
.category-grid .product-card { min-height: 0; }
.category-grid .product-card .visual { height: 320px; }
.expanded-category-products { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.category-note { display: flex; flex-direction: column; justify-content: center; gap: 1rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.category-note p:not(.eyebrow) { color: var(--ink-soft); }
.category-note .button { align-self: flex-start; margin-top: .5rem; }
.product-card { min-height: 470px; display: flex; flex-direction: column; overflow: hidden; background: white; border-radius: var(--radius); box-shadow: 0 8px 30px rgba(16,20,23,.06); }
.product-card .visual { position: relative; height: 260px; overflow: hidden; background: #dfe8e5; }
.product-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.product-card:hover img { transform: scale(1.035); }
.product-card .content { display: flex; flex: 1; flex-direction: column; gap: .8rem; padding: 1.5rem; }
.product-card p { color: var(--ink-soft); }
.text-link { margin-top: auto; color: var(--teal-dark); font-weight: 800; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.split.reverse { grid-template-columns: 1.1fr .9fr; }
.split-media { position: relative; }
.split-media img { width: 100%; max-height: 480px; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.split-copy { display: grid; gap: 1.4rem; }
.check-list, .plain-list { margin: 0; padding: 0; list-style: none; display: grid; gap: .8rem; }
.check-list li { position: relative; padding-left: 1.8rem; }
.check-list li::before { content: "◆"; position: absolute; left: 0; color: var(--teal); font-size: .8rem; top: .15rem; }
.plain-list li { padding-bottom: .8rem; border-bottom: 1px solid var(--line); }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; counter-reset: steps; }
.step { counter-increment: steps; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.step::before { content: "0" counter(steps); display: block; margin-bottom: 2rem; color: var(--teal-dark); font-weight: 800; font-size: .8rem; letter-spacing: .16em; }
.step p { margin-top: .65rem; color: var(--ink-soft); }
.section.dark .step { border-color: #334047; background: transparent; }
.section.dark .step::before { color: #55d2dd; }
.section.dark .step p { color: #b8c2c5; }

.cta-panel { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; padding: clamp(2rem, 5vw, 4rem); color: white; background: var(--teal-dark); border-radius: 26px; }
.cta-panel .button { background: white; color: var(--ink); border-color: white; }

.page-hero { padding: clamp(4rem, 8vw, 7rem) 0 3rem; }
.page-hero .hero-line { display: grid; grid-template-columns: 1fr .65fr; gap: 3rem; align-items: end; }
.page-hero h1 { font-size: clamp(2.25rem, 4.8vw, 4.8rem); max-width: 900px; }
.page-hero .lead { justify-self: end; }
.crumbs { margin-bottom: 1.2rem; color: #657177; font-size: .85rem; }
.crumbs a { text-decoration: underline; text-underline-offset: 3px; }

.feature-photo { width: 100%; height: min(70vh, 720px); object-fit: cover; }
.spec-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.spec-card { padding: 1.5rem; background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.spec-card p { margin-top: .7rem; color: var(--ink-soft); }
.section.dark .spec-card { color: var(--ink); }
.comparison-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.comparison-table { width: 100%; border-collapse: collapse; min-width: 720px; text-align: left; }
.comparison-table th, .comparison-table td { padding: 1rem 1.15rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.comparison-table thead { color: white; background: var(--ink); }
.comparison-table tbody tr:last-child th, .comparison-table tbody tr:last-child td { border-bottom: 0; }
.comparison-table tbody th { width: 23%; }
.comparison-table a { color: var(--teal-dark); font-weight: 750; text-decoration: underline; text-underline-offset: 3px; }
.comparison-note { margin-top: .9rem; }
.buyer-section { background: var(--mist); }
.related-routes { border-top: 1px solid var(--line); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.related-grid a { display: block; padding: 1.25rem; border: 1px solid var(--line); border-radius: var(--radius); background: white; font-weight: 750; }
.related-grid a:hover, .related-grid a:focus-visible { border-color: var(--teal); color: var(--teal-dark); }
.badge { display: inline-block; margin-bottom: .9rem; padding: .3rem .55rem; border-radius: 99px; color: var(--teal-dark); background: var(--mist); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.gallery { display: grid; grid-template-columns: 1.4fr .8fr .8fr; grid-auto-rows: 260px; gap: .8rem; }
.gallery img { width: 100%; height: 100%; object-fit: cover; border-radius: 14px; }
.gallery img:first-child { grid-row: span 2; }
.image-reference { padding-block: clamp(3rem, 5vw, 4.5rem); background: var(--mist); }
.photo-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .85rem; }
.photo-gallery figure { display: grid; grid-template-columns: 150px minmax(0, 1fr); align-items: center; gap: 1rem; min-height: 138px; margin: 0; padding: .55rem; overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 14px; }
.photo-gallery img { width: 150px; height: 124px; object-fit: cover; border-radius: 10px; }
.photo-gallery figcaption { padding: .5rem .65rem .5rem 0; color: var(--ink-soft); font-size: .9rem; line-height: 1.45; }

.notice { padding: 1rem 1.2rem; border-left: 4px solid var(--warm); background: #fff8eb; color: #5d4a2d; }
.contact-card { margin-top: 1.5rem; padding: 1.5rem; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow); }
.contact-card h3 { margin-bottom: .75rem; }
.contact-card > p { margin-top: .75rem; }
.contact-card a:not(.button) { color: var(--teal-dark); font-weight: 750; }
.contact-card .button { margin-top: .25rem; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 1.1rem 0; }
.faq summary { cursor: pointer; font-weight: 750; }
.faq details p { max-width: 800px; padding-top: .7rem; color: var(--ink-soft); }

.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 3rem; align-items: start; }
.form-card { padding: clamp(1.4rem, 4vw, 2.5rem); background: white; border-radius: var(--radius); box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .82rem; font-weight: 750; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid #bdc7c3; border-radius: 10px; padding: .8rem .9rem; background: #fbfcfa; }
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid rgba(7,140,155,.18); border-color: var(--teal); }
.form-status { min-height: 1.5rem; margin-top: .8rem; color: var(--teal-dark); font-weight: 650; }
.brief-result[hidden] { display: none; }
.brief-result { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1.5rem; }
.brief-result textarea { width: 100%; min-height: 240px; margin-top: .6rem; border: 1px solid #bdc7c3; border-radius: 10px; padding: .8rem .9rem; background: #fbfcfa; }
.brief-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .75rem; }
.brief-actions .button { cursor: pointer; }

.site-footer { padding: 4rem 0 2rem; color: #c4ccce; background: #0b1012; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 3rem; }
.footer-brand { width: 250px; filter: brightness(0) invert(1); opacity: .92; }
.site-footer h3 { color: white; font-size: 1rem; letter-spacing: 0; margin-bottom: 1rem; }
.footer-links { display: grid; gap: .5rem; }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid #263137; font-size: .82rem; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .site-nav { display: none; position: absolute; left: 1rem; right: 1rem; top: 70px; padding: 1rem; flex-direction: column; align-items: stretch; background: white; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .nav-products summary { padding: .65rem 0; }
  .nav-dropdown { position: static; width: 100%; margin: .1rem 0 .6rem; padding: .2rem 0 .2rem .55rem; border: 0; border-left: 2px solid var(--line); border-radius: 0; box-shadow: none; }
  .hero-grid, .split, .split.reverse, .page-hero .hero-line, .contact-grid { grid-template-columns: 1fr; }
  .hero-media { min-height: 460px; }
  .hero-carousel { border-top-left-radius: 90px; }
  .page-hero .lead { justify-self: start; }
  .product-grid, .spec-grid, .related-grid { grid-template-columns: 1fr 1fr; }
  .photo-gallery { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .gallery img:first-child { grid-row: auto; grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .brand { width: 210px; }
  .hero { padding-top: 3rem; }
  .hero-media { min-height: 390px; height: 390px; }
  .hero-carousel { border-top-left-radius: 66px; }
  .hero-tag { left: .8rem; bottom: .8rem; }
  .carousel-controls { top: .7rem; right: .7rem; gap: .3rem; }
  .carousel-controls button { min-width: 38px; min-height: 38px; }
  .carousel-controls .carousel-pause { min-width: 56px; }
  .carousel-dots { right: .7rem; bottom: .7rem; }
  .hero-tag { max-width: 190px; padding: .8rem; font-size: .78rem; }
  .section-head { display: grid; align-items: start; }
  .product-grid, .spec-grid, .process-grid, .trust-grid, .gallery, .form-grid, .footer-grid, .related-grid, .photo-gallery { grid-template-columns: 1fr; }
  .expanded-category-products { grid-template-columns: 1fr; }
  .photo-gallery figure { grid-template-columns: 118px minmax(0, 1fr); gap: .8rem; min-height: 112px; padding: .45rem; }
  .photo-gallery img { width: 118px; height: 100px; }
  .photo-gallery figcaption { font-size: .86rem; }
  .trust-item, .trust-item:first-child { border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .cta-panel { grid-template-columns: 1fr; }
  .gallery img:first-child { grid-column: auto; }
  .footer-bottom { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
