/* GAOPAK design system — kraft-paper premium, mobile-first */
:root {
  --bg: #faf8f4;
  --paper: #ffffff;
  --ink: #221d16;
  --ink-2: #6b6155;
  --kraft: #b08d57;
  --kraft-soft: #f0e7d8;
  --green: #3e6b4f;
  --green-soft: #e8f0ea;
  --line: #e7e0d4;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(34, 29, 22, 0.07);
  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--ink); font-family: var(--font-body); line-height: 1.65; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

/* Header */
.topbar { background: var(--green); color: #fff; font-size: 13px; padding: 7px 0; text-align: center; letter-spacing: 0.2px; }
.topbar a { text-decoration: underline; text-underline-offset: 2px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(250, 248, 244, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; gap: 28px; height: 66px; }
.logo { font-family: var(--font-display); font-size: 26px; letter-spacing: 1px; font-weight: 700; }
.logo span { color: var(--kraft); }
.main-nav { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.main-nav a { color: var(--ink-2); padding: 6px 2px; border-bottom: 2px solid transparent; transition: 0.2s; white-space: nowrap; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); border-color: var(--kraft); }
.nav-cta { background: var(--ink); color: #fff !important; padding: 9px 18px !important; border-radius: 999px; border: none !important; font-weight: 600; }
.nav-cta:hover { background: var(--green); }
.menu-btn { display: none; margin-left: auto; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; font-size: 18px; cursor: pointer; }

/* Hero */
.hero { padding: 64px 0 50px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase; color: var(--green); margin-bottom: 14px; }
h1 { font-family: var(--font-display); font-size: clamp(34px, 4.6vw, 54px); line-height: 1.12; font-weight: 700; letter-spacing: -0.5px; }
.hero p.lead { margin: 18px 0 26px; font-size: 18px; color: var(--ink-2); max-width: 54ch; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: 15px; transition: 0.2s; cursor: pointer; border: none; }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--green); transform: translateY(-1px); }
.btn-ghost { border: 1.5px solid var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.hero-media img { border-radius: var(--radius); box-shadow: var(--shadow); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.hero-points { display: flex; flex-wrap: wrap; gap: 18px 28px; margin-top: 26px; font-size: 14px; color: var(--ink-2); }
.hero-points b { color: var(--ink); display: block; font-size: 17px; }

/* Trust strip */
.trust-strip { background: var(--paper); border-block: 1px solid var(--line); padding: 22px 0; }
.trust-strip .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 30px; align-items: center; }
.trust-strip span { font-size: 14px; color: var(--ink-2); display: flex; align-items: center; gap: 8px; font-weight: 600; }

/* Sections */
section.block { padding: 72px 0; }
section.block.alt { background: var(--paper); border-block: 1px solid var(--line); }
h2 { font-family: var(--font-display); font-size: clamp(26px, 3.4vw, 38px); line-height: 1.2; margin-bottom: 14px; }
.sub { color: var(--ink-2); max-width: 70ch; font-size: 17px; }
.section-head { margin-bottom: 38px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.center .sub { margin-inline: auto; }

/* Product grid */
.grid { display: grid; gap: 22px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: 0.25s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--kraft); }
.card img { aspect-ratio: 1/1; object-fit: cover; width: 100%; background: #f3efe7; }
.card .pad { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 17px; font-weight: 700; }
.card p { font-size: 13.5px; color: var(--ink-2); flex: 1; }
.card .meta { font-size: 12.5px; color: var(--green); font-weight: 600; }
.card .quote-link { font-size: 14px; font-weight: 700; color: var(--kraft); margin-top: 6px; }
.card .quote-link:hover { color: var(--green); }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; position: relative; }
.step::before { counter-increment: step; content: "0" counter(step); font-family: var(--font-display); font-size: 30px; color: var(--kraft); font-weight: 700; display: block; margin-bottom: 8px; }
.step b { display: block; margin-bottom: 6px; font-size: 16px; }
.step p { font-size: 13.5px; color: var(--ink-2); }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; object-fit: cover; }
.checklist { list-style: none; margin-top: 18px; display: grid; gap: 11px; }
.checklist li { padding-left: 30px; position: relative; color: var(--ink-2); }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 21px; height: 21px; border-radius: 50%; background: var(--green-soft); color: var(--green); font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.checklist li b { color: var(--ink); }

/* Badges */
.badge-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.badge { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 18px; text-align: center; }
.badge b { display: block; font-size: 17px; margin-bottom: 4px; }
.badge span { font-size: 13px; color: var(--ink-2); }

/* FAQ */
.faq-item { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq-item summary { padding: 18px 22px; font-weight: 700; font-size: 16px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--kraft); }
.faq-item[open] summary::after { content: "–"; }
.faq-item .answer { padding: 0 22px 20px; color: var(--ink-2); font-size: 15px; max-width: 80ch; }

/* Forms */
.form-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13.5px; font-weight: 700; }
.field label em { color: #c0392b; font-style: normal; }
.field input, .field select, .field textarea { padding: 12px 14px; border: 1.5px solid var(--line); border-radius: 11px; font-size: 15px; font-family: inherit; background: var(--bg); outline: none; transition: 0.2s; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--kraft); background: #fff; }
.form-note { font-size: 13px; color: var(--ink-2); margin-top: 14px; }
.form-ok { background: var(--green-soft); color: var(--green); border-radius: 12px; padding: 14px 18px; font-weight: 600; margin-top: 16px; display: none; }
.form-err { background: #fdeceb; color: #c0392b; border-radius: 12px; padding: 14px 18px; font-weight: 600; margin-top: 16px; display: none; }

/* Page hero (inner pages) */
.page-hero { padding: 58px 0 34px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); }
.breadcrumb { font-size: 13px; color: var(--ink-2); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--kraft); }

/* Tables */
.spec-table { width: 100%; border-collapse: collapse; background: var(--paper); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: 14.5px; }
.spec-table th, .spec-table td { padding: 14px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table th { background: var(--kraft-soft); font-size: 13px; letter-spacing: 1px; text-transform: uppercase; }
.spec-table tr:last-child td { border-bottom: none; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: var(--radius); padding: 52px 48px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.cta-band h2 { color: #fff; margin: 0; }
.cta-band p { color: rgba(255,255,255,0.75); margin-top: 8px; }
.cta-band .btn-primary { background: var(--kraft); }
.cta-band .btn-primary:hover { background: #fff; color: var(--ink); }

/* Footer */
.site-footer { background: #1c1812; color: #cfc6b8; margin-top: 80px; padding: 56px 0 30px; font-size: 14.5px; }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 38px; border-bottom: 1px solid rgba(255,255,255,0.12); }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: 0.5px; }
.site-footer a { display: block; padding: 4px 0; color: #cfc6b8; }
.site-footer a:hover { color: var(--kraft); }
.site-footer .brand { font-family: var(--font-display); font-size: 24px; color: #fff; margin-bottom: 10px; }
.site-footer .fine { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 22px; font-size: 13px; color: #8d8474; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 960px) {
  .hero .wrap, .split { grid-template-columns: 1fr; gap: 30px; }
  .grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .badge-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer .cols { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; position: absolute; top: 66px; left: 0; right: 0; background: var(--paper); flex-direction: column; gap: 0; padding: 10px 20px 18px; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .nav-cta { margin-top: 12px; text-align: center; justify-content: center; }
  .menu-btn { display: block; }
}
@media (max-width: 560px) {
  .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 26px; }
  section.block { padding: 52px 0; }
}