/* Keawe 3D — earthy dark-green theme, mobile-first */

:root {
  --green-950: #12261a;
  --green-900: #1b3524;
  --green-800: #24462f;
  --green-700: #2f5a3d;
  --green-600: #3d734d;
  --green-200: #c8dccf;
  --green-100: #e6f0e9;
  --cream: #f7f4ec;
  --white: #ffffff;
  --ink: #1e2a22;
  --muted: #5c6b60;
  --accent: #d9a441; /* keawe blossom amber */
  --radius: 12px;
  --shadow: 0 4px 18px rgba(18, 38, 26, 0.10);
  --header-h: 64px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
}

.wrap {
  max-width: 1024px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 { line-height: 1.25; margin-top: 0; }

h2 { font-size: 1.6rem; color: var(--green-950); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  height: var(--header-h);
  background: var(--green-950);
  z-index: 50;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 40px; width: auto; display: block; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--green-100);
  margin: 5px 0;
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.site-nav { display: flex; gap: 4px; }
.site-nav a {
  color: var(--green-100);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 14px;
  border-radius: 8px;
}
.site-nav a:hover,
.site-nav a:focus-visible { background: var(--green-800); color: var(--white); }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(160deg, var(--green-950) 0%, var(--green-800) 70%, var(--green-700) 100%);
  color: var(--white);
  padding: 72px 0 64px;
}
.hero h1 { font-size: 2rem; margin-bottom: 12px; max-width: 22ch; }
.hero .lede { font-size: 1.1rem; color: var(--green-200); max-width: 42ch; margin: 0 0 28px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: var(--green-950); }
.btn-primary:hover { background: #e2b45c; }
.btn-ghost { border-color: var(--green-200); color: var(--white); background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.10); }

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--white); }
.section-sub { color: var(--muted); max-width: 60ch; margin: 0 0 32px; }

/* ---------- Filament cards ---------- */
.filament-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}
.card {
  background: var(--white);
  border: 1px solid #e3e8e1;
  border-radius: var(--radius);
  padding: 16px 14px;
  box-shadow: var(--shadow);
  text-align: center;
}
.swatch {
  display: block;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  margin: 0 auto 10px;
  border: 1px solid rgba(0, 0, 0, 0.12);
}
.card h3 { font-size: 1rem; margin: 0 0 2px; color: var(--green-950); }
.brand-line { font-size: 0.8rem; color: var(--muted); margin: 0 0 8px; }
.price { font-size: 1.15rem; font-weight: 800; color: var(--green-800); margin: 0 0 2px; }
.price span { font-size: 0.8rem; font-weight: 400; color: var(--muted); }
.stock { font-size: 0.8rem; color: var(--muted); margin: 0; }
.filament-note { margin-top: 24px; color: var(--muted); }
.filament-note a { color: var(--green-700); font-weight: 600; }

/* ---------- Printing steps ---------- */
.steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.steps li {
  background: var(--green-100);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.steps li strong { display: block; color: var(--green-950); margin-bottom: 4px; }
.steps li span { color: var(--muted); font-size: 0.95rem; }
.machines { color: var(--muted); margin: 0 0 28px; }
.machines strong { color: var(--ink); }

/* ---------- Checklist ---------- */
.checklist { list-style: none; margin: 0 0 28px; padding: 0; display: grid; gap: 10px; }
.checklist li { padding-left: 30px; position: relative; }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green-600);
  font-weight: 800;
}

/* ---------- FAQ ---------- */
.faq-list details {
  background: var(--green-100);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 700;
  color: var(--green-950);
}
.faq-list details p { padding: 0 18px 16px; margin: 0; color: var(--muted); }

/* ---------- Form ---------- */
#requestForm { max-width: 560px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; color: var(--green-950); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cdd6cc;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--white);
  color: var(--ink);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--green-600);
  border-color: var(--green-600);
}
.form-error {
  background: #fdecea;
  color: #a5271f;
  border: 1px solid #f5c6c1;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 0 0 16px;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--green-950); color: var(--green-200); }
.footer-inner {
  display: grid;
  gap: 24px;
  padding-top: 40px;
  padding-bottom: 24px;
}
.footer-col h3 { color: var(--white); font-size: 1rem; margin: 0 0 8px; }
.footer-col p { margin: 0; font-size: 0.9rem; }
.footer-col a { color: var(--accent); }
.footer-base { border-top: 1px solid var(--green-800); padding-top: 16px; padding-bottom: 24px; }
.footer-base p { margin: 0; font-size: 0.85rem; }

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
  .hero h1 { font-size: 2.6rem; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr 1fr; }
  .filament-grid { grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); }
}

@media (max-width: 639px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--green-950);
    flex-direction: column;
    padding: 8px 16px 16px;
    display: none;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.25);
  }
  .site-nav.open { display: flex; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}