:root {
  --ink: #10242c;
  --muted: #5c6f76;
  --aqua: #00a8a8;
  --aqua-dark: #087477;
  --sun: #f7df4b;
  --coral: #ff6b5b;
  --sky: #eafafa;
  --foam: #f7fbfb;
  --white: #ffffff;
  --line: #d8e5e7;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, Helvetica, sans-serif; line-height: 1.55; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.02; letter-spacing: 0; }
h1 { max-width: 760px; font-size: 4.7rem; }
h2 { max-width: 820px; font-size: 3.15rem; }
h3 { font-size: 1.35rem; }
p { color: var(--muted); font-size: 1rem; }

.site-header { position: sticky; z-index: 20; top: 0; display: flex; align-items: center; justify-content: space-between; min-height: 76px; padding: 10px 5vw; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.brand { display: grid; gap: 1px; color: var(--ink); }
.brand strong { font-size: 1.08rem; letter-spacing: .08em; }
.brand span { color: var(--aqua-dark); font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: .9rem; font-weight: 800; }
.site-nav a:hover { color: var(--aqua-dark); }
.nav-contact { padding: 11px 16px; color: var(--white); background: var(--aqua-dark); }
.menu-button { display: none; border: 0; background: transparent; font-weight: 800; }

.hero { position: relative; min-height: 700px; display: flex; align-items: center; padding: 82px 6vw; overflow: hidden; background: var(--foam) url('./assets/products/hero.jpg') center right / cover no-repeat; }
.hero-shade { position: absolute; inset: 0 auto 0 0; width: 58%; background: rgba(255,255,255,.92); }
.hero-copy { position: relative; z-index: 1; width: 54%; }
.eyebrow { margin-bottom: 18px; color: var(--aqua-dark); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
.hero-intro { max-width: 670px; margin-top: 26px; color: #334d56; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 12px 20px; border: 1px solid var(--ink); font-weight: 900; cursor: pointer; }
.button.primary { color: var(--ink); background: var(--sun); border-color: var(--sun); }
.button.secondary { background: var(--white); }
.season-mark { position: absolute; right: 4vw; bottom: 36px; display: flex; align-items: center; gap: 12px; padding: 10px 14px; color: var(--white); background: var(--aqua-dark); }
.season-mark span { display: grid; min-width: 48px; height: 42px; padding: 0 7px; place-items: center; color: var(--ink); background: var(--sun); font-weight: 900; }
.season-mark strong { font-size: .8rem; }

.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1px solid var(--line); }
.proof-strip div { min-height: 132px; padding: 26px 5vw 24px 26px; border-right: 1px solid var(--line); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip strong, .proof-strip span { display: block; }
.proof-strip strong { color: var(--aqua-dark); font-size: 2.2rem; }
.proof-strip span { max-width: 190px; margin-top: 8px; color: var(--muted); font-size: .84rem; }

.section { padding: 96px 6vw; }
.intro { display: grid; grid-template-columns: .9fr 1.1fr; gap: 8vw; background: var(--sky); }
.intro-copy > p { max-width: 720px; font-size: 1.08rem; }
.service-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.service-row span { padding: 9px 12px; color: var(--aqua-dark); background: var(--white); border: 1px solid #bde0e1; font-size: .84rem; font-weight: 800; }

.section-heading { display: grid; grid-template-columns: 1fr .7fr; gap: 60px; align-items: end; margin-bottom: 44px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -40px; }
.section-heading > p:last-child { max-width: 590px; }
.product-tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 14px; }
.product-tab { flex: 0 0 auto; min-height: 44px; padding: 10px 15px; color: var(--muted); background: var(--white); border: 1px solid var(--line); font-weight: 800; cursor: pointer; }
.product-tab.active { color: var(--white); background: var(--aqua-dark); border-color: var(--aqua-dark); }
.product-panel { display: none; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.product-panel.active { display: grid; }
.product-panel article { overflow: hidden; background: var(--white); border: 1px solid var(--line); border-radius: 5px; }
.product-panel img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; background: var(--foam); }
.product-panel span { display: block; padding: 13px 15px; font-size: .88rem; font-weight: 900; }

.capabilities { color: var(--white); background: var(--aqua-dark); }
.section-heading.light .eyebrow { color: var(--sun); }
.section-heading.light h2 { color: var(--white); }
.capability-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(255,255,255,.25); }
.capability-grid article { min-height: 275px; padding: 28px; border-right: 1px solid rgba(255,255,255,.25); }
.capability-grid article:last-child { border-right: 0; }
.capability-grid span { color: var(--sun); font-weight: 900; }
.capability-grid h3 { margin-top: 62px; }
.capability-grid p { margin-top: 14px; color: #d6efef; }

.facilities { background: var(--foam); }
.facility-grid { display: grid; grid-template-columns: 1.35fr .65fr .65fr; grid-template-rows: 300px 300px; gap: 14px; }
.facility-grid figure { position: relative; margin: 0; overflow: hidden; background: #dce6e8; }
.facility-grid .facility-main { grid-row: 1 / 3; }
.facility-grid img { width: 100%; height: 100%; object-fit: cover; }
.facility-grid figcaption { position: absolute; inset: auto 0 0; padding: 22px; color: var(--white); background: rgba(16,36,44,.84); }
.facility-grid figcaption strong, .facility-grid figcaption span { display: block; }
.facility-grid figcaption span { margin-top: 4px; color: #d9e9ec; font-size: .82rem; }

.process { background: var(--white); }
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; border-top: 4px solid var(--sun); }
.process-list li { min-height: 240px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.process-list li:first-child { border-left: 1px solid var(--line); }
.process-list span { color: var(--coral); font-weight: 900; }
.process-list h3 { margin-top: 42px; }
.process-list p { margin-top: 12px; }

.responsibility { display: grid; grid-template-columns: .85fr 1.15fr; gap: 8vw; background: var(--sun); }
.material-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; align-self: center; background: rgba(16,36,44,.3); }
.material-list span { min-height: 90px; display: flex; align-items: center; padding: 22px; background: rgba(255,255,255,.8); font-weight: 900; }

.faq-list { max-width: 980px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 22px 42px 22px 0; font-size: 1.04rem; font-weight: 900; cursor: pointer; }
.faq-list p { max-width: 820px; padding: 0 0 24px; }

.contact { display: grid; grid-template-columns: .85fr 1.15fr; gap: 8vw; color: var(--white); background: var(--ink); }
.contact .eyebrow { color: #72e2dd; }
.contact h2 { color: var(--white); }
.contact-copy > p:not(.eyebrow) { margin-top: 24px; color: #bed0d5; }
.email-link { display: block; width: fit-content; margin-top: 28px; color: var(--sun); font-size: 1.55rem; font-weight: 900; }
.whatsapp-link { display: block; width: fit-content; margin-top: 12px; color: #72e2dd; font-weight: 900; }
.inquiry-form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 34px; border: 1px solid rgba(255,255,255,.2); }
.inquiry-form label { display: grid; gap: 7px; color: #d8e6e9; font-size: .85rem; font-weight: 800; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; padding: 13px 14px; color: var(--ink); background: var(--white); border: 0; border-radius: 3px; }
.inquiry-form textarea { resize: vertical; }
.inquiry-form .full { grid-column: 1 / -1; }
.form-note { color: #9eb2b7; font-size: .78rem; }

.footer { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 22px 5vw; background: var(--white); border-top: 1px solid var(--line); }
.footer-brand { font-size: 1.08rem; letter-spacing: .08em; }
.footer p { font-size: .82rem; }
.footer div { display: grid; gap: 3px; text-align: right; color: var(--aqua-dark); font-size: .85rem; font-weight: 800; }

@media (max-width: 1000px) {
  h1 { font-size: 3.6rem; }
  h2 { font-size: 2.5rem; }
  .site-nav { gap: 16px; }
  .proof-strip { grid-template-columns: 1fr 1fr; }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .proof-strip div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .product-panel, .capability-grid, .process-list { grid-template-columns: 1fr 1fr; }
  .capability-grid article:nth-child(2) { border-right: 0; }
  .capability-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.25); }
  .facility-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 460px 260px 260px; }
  .facility-grid .facility-main { grid-column: 1 / -1; grid-row: auto; }
}

@media (max-width: 760px) {
  h1 { font-size: 2.65rem; }
  h2 { font-size: 2.15rem; }
  .site-header { min-height: 68px; }
  .menu-button { display: block; }
  .site-nav { position: absolute; top: 68px; right: 0; left: 0; display: none; padding: 18px 6vw; background: var(--white); border-bottom: 1px solid var(--line); }
  .site-nav.open { display: grid; }
  .hero { min-height: 720px; align-items: flex-start; padding-top: 76px; background-position: 66% center; }
  .hero-shade { width: 100%; background: rgba(255,255,255,.86); }
  .hero-copy { width: 100%; }
  .hero-intro { font-size: 1rem; }
  .season-mark { right: 6vw; left: 6vw; bottom: 24px; }
  .section { padding: 72px 6vw; }
  .intro, .section-heading, .responsibility, .contact { grid-template-columns: 1fr; gap: 34px; }
  .section-heading .eyebrow { grid-column: auto; margin-bottom: -18px; }
  .product-panel { grid-template-columns: 1fr 1fr; gap: 9px; }
  .facility-grid { display: grid; grid-template-columns: 1fr; grid-template-rows: repeat(5, 300px); }
  .facility-grid .facility-main { grid-column: auto; }
  .material-list { grid-template-columns: 1fr; }
  .inquiry-form { grid-template-columns: 1fr; padding: 22px; }
  .inquiry-form .full { grid-column: auto; }
  .email-link { font-size: 1.2rem; }
  .footer { align-items: flex-start; flex-direction: column; }
  .footer div { text-align: left; }
}

@media (max-width: 480px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.85rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .proof-strip, .product-panel, .capability-grid, .process-list { grid-template-columns: 1fr; }
  .proof-strip div, .capability-grid article, .process-list li { border-right: 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .product-panel img { aspect-ratio: 1 / 1; }
}