/* ==========================================================================
   Aromaschutz — Design System & Styles
   Prototype Phase 1 (Kaffee). Palette: Espresso / Petrol / Kupfer / Cream.
   ========================================================================== */

:root {
  --espresso: #3B2A21;
  --espresso-deep: #2A1D16;
  --petrol: #1F6F6B;
  --petrol-dark: #185754;
  --copper: #B07B4F;
  --copper-dark: #976338;
  --cream: #F6F1E8;
  --cream-2: #EFE7D8;
  --ink: #262321;
  --muted: #6B635C;
  --line: #E2D8C7;
  --white: #FFFFFF;

  --maxw: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 18px 50px -28px rgba(43, 29, 22, 0.55);
  --shadow-sm: 0 8px 24px -16px rgba(43, 29, 22, 0.45);

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --step-2: clamp(2.4rem, 1.6rem + 3.2vw, 4rem);
  --step-1: clamp(1.8rem, 1.3rem + 2vw, 2.8rem);
  --step-0: clamp(1.3rem, 1.05rem + 0.9vw, 1.7rem);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  font-size: 1.05rem;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--petrol-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.12; color: var(--espresso); letter-spacing: -0.01em; }
h1 { font-size: var(--step-2); }
h2 { font-size: var(--step-1); }
h3 { font-size: var(--step-0); }

/* Layout */
.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding-block: clamp(3.5rem, 2rem + 6vw, 6.5rem); }
.section--tight { padding-block: clamp(2.5rem, 1.5rem + 4vw, 4rem); }
.section--cream2 { background: var(--cream-2); }
.section--espresso { background: var(--espresso); color: #EFE3D6; }
.section--espresso h2, .section--espresso h3 { color: var(--cream); }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 60ch; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.8rem; font-weight: 600; color: var(--copper-dark); }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 0.95rem 1.6rem; border-radius: 999px;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn--primary { background: var(--copper); color: #fff; box-shadow: var(--shadow-sm); }
.btn--primary:hover { background: var(--copper-dark); }
.btn--ghost { background: transparent; border-color: var(--copper); color: var(--copper-dark); }
.btn--ghost:hover { background: rgba(176,123,79,.08); }
.btn--light { background: var(--cream); color: var(--espresso); }
.btn--light:hover { background: #fff; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,241,232,.86); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding-block: 0.85rem; }
.brand { display: inline-flex; align-items: center; }
.brand svg { height: 30px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; padding: 0; }
.nav-links a { color: var(--espresso); font-weight: 500; font-size: 0.98rem; }
.nav-links a:hover { color: var(--copper-dark); text-decoration: none; }
.has-sub { position: relative; }
.submenu {
  position: absolute; top: 140%; left: 0; min-width: 230px;
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  box-shadow: var(--shadow); padding: 0.5rem; list-style: none;
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s ease;
}
.has-sub:hover .submenu, .has-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: block; padding: 0.5rem 0.7rem; border-radius: 6px; font-size: 0.95rem; }
.submenu a:hover { background: var(--cream-2); }
.nav-cta { display: flex; align-items: center; gap: 0.8rem; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 0.4rem; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--espresso); margin: 5px 0; transition: .2s; }

/* Hero */
.hero { padding-block: clamp(3rem, 2rem + 5vw, 6rem); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 1rem + 4vw, 4rem); align-items: center; }
.hero h1 { margin-block: 0.6rem 1.1rem; }
.hero .lead { margin-bottom: 1.8rem; }
.hero-cta { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.hero-art { display: grid; place-items: center; }
.hero-art .bag-illustration { width: min(320px, 80%); filter: drop-shadow(0 30px 40px rgba(43,29,22,.35)); }

/* Grid helpers */
.grid { display: grid; gap: 1.4rem; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* Cards */
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.6rem; box-shadow: var(--shadow-sm); transition: transform .18s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.98rem; }
.card-art { background: var(--cream-2); border-radius: var(--radius-sm); padding: 1.4rem; display: grid; place-items: center; margin-bottom: 1.1rem; }
.card-art .bag-illustration { height: 160px; width: auto; }
.card .meta { margin-top: 0.9rem; font-size: 0.85rem; color: var(--copper-dark); font-weight: 600; }
.card-link { display: inline-block; margin-top: 1rem; font-weight: 600; }
.card-link::after { content: " →"; }

/* Feature / steps */
.steps { counter-reset: step; }
.step { position: relative; padding-left: 3.4rem; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 0; width: 2.3rem; height: 2.3rem;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--petrol); color: #fff; font-family: var(--font-display); font-size: 1.1rem;
}
.step h3 { margin-bottom: 0.3rem; }
.step p { color: var(--muted); }

/* Chips / pills */
.chips { display: flex; flex-wrap: wrap; gap: 0.55rem; list-style: none; padding: 0; }
.chip { background: var(--cream-2); border: 1px solid var(--line); border-radius: 999px; padding: 0.35rem 0.85rem; font-size: 0.88rem; font-weight: 500; }
.chip--solid { background: var(--espresso); color: var(--cream); border-color: var(--espresso); }

/* Promise band */
.promise { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.promise b { font-family: var(--font-display); font-weight: 500; font-size: 1.6rem; color: var(--copper); }

/* Spec table */
.spec { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.spec th, .spec td { text-align: left; padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--line); }
.spec th { background: var(--cream-2); font-weight: 600; width: 38%; color: var(--espresso); }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }
.todo { color: var(--copper-dark); font-style: italic; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: 0.35rem; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 0.92rem; }
.field .req { color: var(--copper-dark); }
.field input, .field select, .field textarea {
  font: inherit; padding: 0.75rem 0.9rem; border: 1.5px solid var(--line);
  border-radius: var(--radius-sm); background: #fff; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--petrol); border-color: var(--petrol); }
.field textarea { min-height: 120px; resize: vertical; }
.checkbox { flex-direction: row; align-items: flex-start; gap: 0.6rem; }
.checkbox input { width: auto; margin-top: 0.25rem; }
.form-note { font-size: 0.85rem; color: var(--muted); }

/* Banner / CTA strip */
.cta-strip { background: var(--petrol); color: #fff; border-radius: var(--radius); padding: clamp(1.6rem, 1rem + 2vw, 2.6rem); display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.cta-strip h2 { color: #fff; }
.cta-strip p { color: rgba(255,255,255,.85); max-width: 48ch; }

/* Footer */
.site-footer { background: var(--espresso-deep); color: #C9BBAE; padding-block: 3.5rem 2rem; }
.site-footer a { color: #E4D6C7; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid h4 { color: var(--cream); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 0.9rem; }
.footer-grid ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; font-size: 0.95rem; }
.footer-brand svg { height: 30px; margin-bottom: 1rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 2.5rem; padding-top: 1.5rem; display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.85rem; color: #9C8E80; }

/* Page header (sub pages) */
.page-head { padding-block: clamp(2.5rem, 1.5rem + 4vw, 4.5rem) clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.8rem; }
.breadcrumb a { color: var(--muted); }

/* Notice (prototype placeholders) */
.note-ph { background: #FBF3E6; border: 1px dashed var(--copper); border-radius: var(--radius-sm); padding: 0.5rem 0.8rem; font-size: 0.82rem; color: var(--copper-dark); display: inline-block; }

/* Stack utility */
.stack > * + * { margin-top: 1.1rem; }
.stack-lg > * + * { margin-top: 2rem; }
.mt-2 { margin-top: 2rem; } .mt-1 { margin-top: 1rem; }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
/* Cookie banner */
.cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 80;
  max-width: 720px; margin-inline: auto;
  background: var(--espresso); color: var(--cream); border: 1px solid var(--copper);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1rem 1.2rem; display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.cookie-banner p { margin: 0; font-size: 0.92rem; color: #E4D6C7; flex: 1 1 320px; }
.cookie-banner a { color: var(--cream); text-decoration: underline; }
.cookie-banner .btn { padding: 0.6rem 1.2rem; }

@media (max-width: 680px) {
  .nav-links { position: fixed; inset: 64px 0 auto 0; flex-direction: column; align-items: flex-start; background: var(--cream); padding: 1.2rem 1.5rem; gap: 0.4rem; border-bottom: 1px solid var(--line); display: none; }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .submenu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; padding-left: 1rem; }
  .nav-toggle { display: block; }
  .grid--3, .grid--4, .grid--2, .form-grid { grid-template-columns: 1fr; }
  .nav-cta .btn--ghost { display: none; }
}