:root {
  --ink: #101a24;
  --ink-2: #1a2b3a;
  --paper: #f5f7f8;
  --white: #ffffff;
  --line: #d7dde1;
  --muted: #66737d;
  --accent: #ff5a36;
  --accent-dark: #d83b20;
  --blue: #88b6c8;
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Sans", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 100; background: var(--accent); color: var(--white); padding: 10px 16px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(16, 26, 36, .96);
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(14px);
}
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--white);
  border-radius: 6px 16px 6px 6px;
  font: 800 15px/1 "Manrope", sans-serif;
  letter-spacing: -.04em;
}
.brand-name { font: 600 14px/1.15 "Manrope", sans-serif; letter-spacing: -.015em; max-width: 118px; }
.brand-name strong { display: block; color: var(--blue); font-size: 12px; margin-top: 3px; }
.site-nav { display: flex; align-items: center; gap: 30px; font-weight: 600; font-size: 14px; }
.site-nav a { text-decoration: none; color: #dce3e7; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--white); }
.site-nav .nav-cta { border: 1px solid rgba(255,255,255,.35); padding: 10px 16px; border-radius: 4px; }
.menu-button { display: none; color: var(--white); background: transparent; border: 1px solid #54616a; padding: 8px 12px; font: inherit; border-radius: 4px; }

.hero { position: relative; overflow: hidden; background: var(--ink); color: var(--white); }
.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image: linear-gradient(#90a7b8 1px, transparent 1px), linear-gradient(90deg, #90a7b8 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: linear-gradient(90deg, transparent, #000 40%);
}
.hero-layout { position: relative; min-height: 690px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 80px; padding-block: 76px; }
.eyebrow { margin: 0 0 18px; color: var(--blue); text-transform: uppercase; letter-spacing: .13em; font-size: 12px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 2px; background: var(--accent); }
.eyebrow.dark { color: #596a75; }
.eyebrow.light { color: #a9c5d0; }
h1, h2, h3 { font-family: "Manrope", sans-serif; margin-top: 0; letter-spacing: -.045em; }
h1 { margin-bottom: 24px; font-size: clamp(3rem, 6vw, 5.45rem); line-height: .98; max-width: 760px; }
h1 em { color: var(--accent); font-style: normal; }
.hero-lede { margin: 0; color: #c9d2d8; max-width: 610px; font-size: 19px; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 5px; text-decoration: none; font-weight: 700; }
.button-primary { background: var(--accent); color: var(--white); }
.button-primary:hover { background: var(--accent-dark); }
.button-secondary { border: 1px solid #52616d; color: var(--white); }
.hero-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 54px; padding-top: 26px; border-top: 1px solid #374550; }
.hero-meta div { display: flex; flex-direction: column; gap: 3px; }
.hero-meta strong { color: #82919b; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.hero-meta span { font-size: 14px; color: #eef2f4; }
.hero-visual { position: relative; }
.product-frame { background: var(--white); padding: 16px 16px 0; box-shadow: 28px 32px 0 rgba(255,90,54,.12); }
.product-frame { transition: opacity .18s ease, transform .18s ease; }
.product-frame.is-changing { opacity: .25; transform: translateY(5px); }
.product-frame img { aspect-ratio: 1.12; width: 100%; object-fit: contain; background: #fff; }
.frame-label { display: flex; justify-content: space-between; gap: 18px; align-items: center; color: var(--ink); padding: 18px 4px 19px; border-top: 1px solid #edf0f2; }
.frame-label span { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.frame-label strong { font: 700 14px/1.2 "Manrope", sans-serif; text-align: right; }
.signal-card { position: absolute; right: -28px; top: -34px; width: 116px; height: 116px; background: var(--accent); padding: 18px; display: grid; grid-template-columns: auto 1fr; align-content: space-between; }
.signal-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--white); }
.signal-line { height: 1px; background: rgba(255,255,255,.55); margin-top: 4px; }
.signal-card strong { grid-column: 1 / -1; font: 800 34px/1 "Manrope", sans-serif; }
.hero-controls { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 24px; }
.hero-controls[hidden] { display: none; }
.hero-controls button { width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.35); background: transparent; color: var(--white); font: 700 18px/1 inherit; cursor: pointer; }
.hero-controls button:hover, .hero-controls button:focus-visible { border-color: var(--accent); color: var(--accent); }
.hero-dots { display: flex; align-items: center; gap: 7px; }
.hero-dots span { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.3); }
.hero-dots span.active { width: 22px; border-radius: 99px; background: var(--accent); }

.proof-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.proof-grid { min-height: 92px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.proof-grid p { margin: 0; padding: 4px 20px; font-weight: 600; font-size: 14px; border-right: 1px solid var(--line); }
.proof-grid p:first-child { padding-left: 0; }
.proof-grid p:last-child { border-right: 0; }
.proof-grid span { color: var(--accent); font: 700 12px/1 "Manrope", sans-serif; margin-right: 10px; }

.section { padding-block: 118px; }
.section-intro { display: grid; grid-template-columns: .75fr 1.25fr 1fr; gap: 54px; align-items: start; margin-bottom: 56px; }
.section-intro h2, .specimen-copy h2, .brief-card h2, .process-sticky h2 { font-size: clamp(2.1rem, 4vw, 3.7rem); line-height: 1.06; margin-bottom: 0; }
.section-intro > p:last-child { margin: 4px 0 0; color: var(--muted); font-size: 17px; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid #bcc5cb; border-left: 1px solid #bcc5cb; }
.service-card { min-height: 250px; display: grid; grid-template-columns: 50px 1fr; gap: 22px; padding: 34px; border-right: 1px solid #bcc5cb; border-bottom: 1px solid #bcc5cb; background: rgba(255,255,255,.35); }
.service-card.featured { background: var(--white); box-shadow: inset 5px 0 0 var(--accent); }
.card-index { color: var(--accent); font: 700 12px/1 "Manrope", sans-serif; padding-top: 8px; }
.service-card h3 { font-size: 24px; margin-bottom: 14px; }
.service-card p { margin: 0; color: var(--muted); }

.process { background: var(--ink-2); color: var(--white); }
.process-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 110px; align-items: start; }
.process-sticky { position: sticky; top: 128px; }
.process-sticky p:last-child { max-width: 420px; color: #9eabb4; font-size: 18px; }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid #4b5963; }
.process-list li { display: grid; grid-template-columns: 65px 1fr; gap: 18px; padding: 32px 0; border-bottom: 1px solid #4b5963; }
.process-list > li > span { color: var(--accent); font: 700 13px/1 "Manrope", sans-serif; padding-top: 8px; }
.process-list h3 { margin-bottom: 6px; font-size: 25px; }
.process-list p { margin: 0; color: #aeb9c0; }

.specimen { background: var(--white); }
.specimen-layout { display: grid; grid-template-columns: 1.08fr .92fr; gap: 90px; align-items: center; }
.specimen-gallery { position: relative; min-height: 610px; }
.specimen-main { margin: 0; width: 78%; background: #f7f8f9; border: 1px solid #e0e4e7; padding: 18px; }
.specimen-main img { width: 100%; aspect-ratio: 1.15; object-fit: contain; }
.specimen-pack { margin: 0; position: absolute; width: 52%; right: 0; bottom: 0; padding: 10px; background: var(--ink); box-shadow: -24px -24px 0 rgba(136,182,200,.2); }
.specimen-pack img { aspect-ratio: 1.3; object-fit: cover; }
.specimen-copy h2 { margin-bottom: 20px; }
.specimen-lede { color: var(--muted); font-size: 18px; }
.spec-list { margin: 30px 0; border-top: 1px solid var(--line); }
.spec-list div { display: grid; grid-template-columns: 145px 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.spec-list dt { color: var(--muted); font-size: 14px; }
.spec-list dd { margin: 0; font-weight: 600; }
.legal-note { color: #77838b; font-size: 13px; line-height: 1.55; }

.catalogue { background: var(--paper); }
.catalogue-intro { margin-bottom: 42px; }
.catalogue-status { padding: 28px; border: 1px dashed #aeb9c0; color: var(--muted); text-align: center; background: rgba(255,255,255,.55); }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.product-card { background: var(--white); border: 1px solid var(--line); display: flex; flex-direction: column; min-width: 0; }
.product-image { aspect-ratio: 1.25; background: #eef2f4; display: grid; place-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.product-image img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.product-placeholder { color: rgba(16,26,36,.1); font: 800 76px/1 "Manrope", sans-serif; }
.product-content { padding: 26px; display: flex; flex: 1; flex-direction: column; }
.product-category { color: var(--accent) !important; font-size: 11px !important; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.product-content h3 { font-size: 23px; line-height: 1.2; margin-bottom: 12px; }
.product-content > p { color: var(--muted); margin: 0 0 20px; }
.product-details { margin: -4px 0 20px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 10px 0; }
.product-details summary { cursor: pointer; font-size: 13px; font-weight: 700; }
.product-details p { margin: 10px 0 2px; color: var(--muted); font-size: 14px; white-space: pre-line; }
.product-content dl { margin: 0 0 24px; border-top: 1px solid var(--line); }
.product-content dl div { display: grid; grid-template-columns: .8fr 1.2fr; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.product-content dt { color: var(--muted); }
.product-content dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.product-enquiry { margin-top: auto; color: var(--ink); font-weight: 700; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 4px; }

.brief { background: var(--paper); }
.brief-card { position: relative; background: var(--ink); color: var(--white); display: grid; grid-template-columns: 1.2fr .8fr; gap: 80px; padding: 70px; overflow: hidden; }
.brief-card::after { content: "SK"; position: absolute; right: -24px; bottom: -82px; color: rgba(255,255,255,.035); font: 800 230px/1 "Manrope", sans-serif; pointer-events: none; }
.brief-list { position: relative; z-index: 1; margin: 0; padding: 0; list-style: none; border-top: 1px solid #4b5963; }
.brief-list li { padding: 13px 0 13px 28px; border-bottom: 1px solid #4b5963; position: relative; color: #d8e0e4; }
.brief-list li::before { content: ""; width: 8px; height: 8px; background: var(--accent); position: absolute; left: 0; top: 22px; }
.brief-note { grid-column: 1 / -1; color: #84939d; margin: -30px 0 0; font-size: 13px; }

.site-footer { background: #0a1219; color: #abb6bd; padding: 44px 0; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.3fr 1fr; align-items: center; gap: 28px; }
.footer-grid p { margin: 0; font-size: 13px; }
.footer-brand { color: var(--white); }
.copyright { text-align: right; }

@media (max-width: 960px) {
  .hero-layout { grid-template-columns: 1fr; gap: 55px; }
  .hero-visual { max-width: 630px; }
  .hero-meta { max-width: 680px; }
  .section-intro { grid-template-columns: 1fr 1.5fr; }
  .section-intro > p:last-child { grid-column: 2; }
  .process-layout, .specimen-layout { grid-template-columns: 1fr; gap: 64px; }
  .process-sticky { position: static; }
  .specimen-gallery { max-width: 680px; }
  .brief-card { grid-template-columns: 1fr; gap: 38px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brief-note { margin: 0; }
}

@media (max-width: 760px) {
  :root { --shell: min(100% - 28px, 1180px); }
  .nav-wrap { min-height: 68px; }
  .menu-button { display: block; }
  .site-nav { display: none; position: absolute; top: 68px; left: 0; right: 0; padding: 18px 20px 24px; background: var(--ink); flex-direction: column; align-items: stretch; gap: 8px; border-top: 1px solid #374550; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 9px 0; }
  .site-nav .nav-cta { padding: 10px 13px; margin-top: 6px; }
  .hero-layout { min-height: auto; padding-block: 62px 74px; }
  h1 { font-size: clamp(2.75rem, 14vw, 4.2rem); }
  .hero-lede { font-size: 17px; }
  .hero-meta { grid-template-columns: 1fr; gap: 14px; }
  .signal-card { width: 86px; height: 86px; right: -4px; top: -20px; }
  .signal-card strong { font-size: 24px; }
  .frame-label { align-items: flex-start; flex-direction: column; gap: 6px; }
  .frame-label strong { text-align: left; }
  .proof-grid { grid-template-columns: 1fr 1fr; padding-block: 14px; }
  .proof-grid p { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .proof-grid p:nth-child(2) { border-right: 0; }
  .proof-grid p:nth-child(3), .proof-grid p:nth-child(4) { border-bottom: 0; }
  .section { padding-block: 78px; }
  .section-intro { grid-template-columns: 1fr; gap: 18px; }
  .section-intro > p:last-child { grid-column: auto; }
  .service-grid { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 220px; padding: 26px 22px; }
  .specimen-gallery { min-height: 490px; }
  .specimen-main { width: 88%; }
  .specimen-pack { width: 60%; }
  .brief-card { padding: 42px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .copyright { text-align: left; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .button { width: 100%; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid p, .proof-grid p:nth-child(3) { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid p:last-child { border-bottom: 0; }
  .service-card { grid-template-columns: 34px 1fr; gap: 10px; }
  .specimen-gallery { min-height: 390px; }
  .spec-list div { grid-template-columns: 1fr; gap: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
