/* ==========================================================
   STRATELIER — Charte graphique (déduite du logo)
   Palette extraite du logo (valeurs mesurées sur le fichier)
   ========================================================== */
:root {
  /* Couleurs du logo */
  --color-primary:        #2472A2; /* bleu profond (tête/abdomen) */
  --color-primary-dark:   #1F5E8C; /* variante AA pour texte sur blanc */
  --color-secondary:      #36AEBA; /* bleu-canard (ailes, hexagones) */
  --color-accent:         #78D8CC; /* turquoise clair (ailes hautes) */
  --color-warm:           #F6B98E; /* corail/pêche (rayures, nœuds) */
  --color-warm-dark:      #B0561A; /* corail foncé AA (5.0:1) pour texte sur blanc */
  --color-ink:            #17384F; /* encre : texte principal */
  --color-ink-soft:       #4A6274; /* texte secondaire */
  --color-bg:             #FFFFFF; /* fond clair */
  --color-bg-alt:         #F3F9F9; /* fond de section, teinte turquoise 4% */
  --color-bg-dark:        #122B3D; /* fond sombre */
  --color-line:           #DCE8EC; /* filets, bordures */
  --color-success:        #2E8B57;
  --color-error:          #C0392B;

  /* Typographie */
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --text-base: 1rem;        /* 16 px */
  --lh-body: 1.65;
  --lh-title: 1.15;

  /* Rythme */
  --radius-s: 8px;
  --radius-m: 14px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 2rem;
  --space-4: 4rem;
  --shadow-card: 0 6px 24px rgba(23, 56, 79, 0.08);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--lh-body);
  color: var(--color-ink);
  background: var(--color-bg);
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: var(--lh-title);
  color: var(--color-ink);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { margin: 0 0 var(--space-2); }
a  { color: var(--color-primary-dark); }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}
img { max-width: 100%; height: auto; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

/* ---------- En-tête ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 0.6rem; padding-bottom: 0.6rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.brand img { width: 44px; height: 44px; object-fit: contain; }
.brand span {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.15rem; color: var(--color-ink); letter-spacing: 0.02em;
}
.main-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.main-nav a {
  text-decoration: none; color: var(--color-ink-soft);
  font-weight: 500; font-size: 0.95rem; padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  color: var(--color-primary-dark);
  border-bottom-color: var(--color-warm);
}
.nav-toggle { display: none; }

/* ---------- Héros ---------- */
.hero {
  padding: var(--space-4) 0;
  background:
    radial-gradient(60rem 30rem at 85% -10%, rgba(120,216,204,0.14), transparent 60%),
    radial-gradient(40rem 20rem at -10% 110%, rgba(246,185,142,0.10), transparent 60%),
    url('pattern.png') top center / 1024px auto repeat;
}
.hero .container { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: var(--space-3); align-items: center; }
.hero p.lead { font-size: 1.15rem; color: var(--color-ink-soft); max-width: 32rem; }
.hero img { width: min(340px, 80%); margin: 0 auto; display: block; }
.eyebrow {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-warm-dark);
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-block; padding: 0.75rem 1.5rem;
  border-radius: var(--radius-s); font-weight: 600; text-decoration: none;
  font-family: var(--font-display); font-size: 0.95rem;
  border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-ghost { border-color: var(--color-primary); color: var(--color-primary-dark); background: transparent; }
.btn-ghost:hover { background: var(--color-bg-alt); }

/* ---------- Signature : marqueur hexagonal ---------- */
.hex-mark {
  display: inline-block; width: 14px; height: 16px; margin-right: 0.5rem;
  background: var(--color-secondary);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  vertical-align: -2px;
}
.hex-mark.warm { background: var(--color-warm); }

/* ---------- Sections ---------- */
.section { padding: var(--space-4) 0; }
.section.alt { background: var(--color-bg-alt); }
.section-head { max-width: 40rem; margin-bottom: var(--space-3); }

/* ---------- Cartes produit ---------- */
.grid-products {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}
.card {
  background: #fff; border: 1px solid var(--color-line);
  border-radius: var(--radius-m); padding: var(--space-3);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column; gap: 0.6rem;
}
.card .price { font-family: var(--font-display); font-weight: 700; color: var(--color-primary-dark); font-size: 1.2rem; }
.card .tag {
  align-self: flex-start; font-size: 0.75rem; font-weight: 600;
  padding: 0.2rem 0.6rem; border-radius: 999px;
  background: rgba(120,216,204,0.25); color: var(--color-ink);
}
.card .tag.warm { background: rgba(246,185,142,0.3); }

/* ---------- Fiches produit détaillées ---------- */
.fiche {
  border-top: 3px solid var(--color-secondary);
  background: #fff; border-radius: var(--radius-m);
  box-shadow: var(--shadow-card); padding: var(--space-3);
  margin-bottom: var(--space-3);
}
.fiche h3 { margin-top: 0; }
.fiche dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.35rem 1.2rem; margin: var(--space-2) 0; }
.fiche dt { font-weight: 600; color: var(--color-ink-soft); }
.fiche dd { margin: 0; }
.notice {
  border-left: 4px solid var(--color-warm);
  background: rgba(246,185,142,0.12);
  padding: 0.8rem 1rem; border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 0.92rem;
}

/* ---------- Bandeau sombre ---------- */
.band-dark { background: var(--color-bg-dark); color: #EAF4F4; }
.band-dark h2 { color: #fff; }
.band-dark a { color: var(--color-accent); }

/* ---------- Formulaires ---------- */
form.stack { display: grid; gap: var(--space-2); max-width: 34rem; }
label { font-weight: 600; font-size: 0.92rem; }
input, textarea, select {
  width: 100%; padding: 0.7rem 0.9rem; font: inherit;
  border: 1px solid var(--color-line); border-radius: var(--radius-s);
  background: #fff; color: var(--color-ink);
}
input:focus, textarea:focus { outline: 3px solid rgba(54,174,186,0.4); border-color: var(--color-secondary); }
.form-hint { font-size: 0.85rem; color: var(--color-ink-soft); }
.form-status { font-weight: 600; }
.form-status.ok { color: var(--color-success); }
.form-status.err { color: var(--color-error); }

/* ---------- FAQ ---------- */
details {
  border: 1px solid var(--color-line); border-radius: var(--radius-s);
  padding: 0.9rem 1.1rem; margin-bottom: var(--space-1); background: #fff;
}
details[open] { border-color: var(--color-secondary); }
summary { cursor: pointer; font-weight: 600; font-family: var(--font-display); }

/* ---------- Pied de page ---------- */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: var(--space-3) 0; margin-top: var(--space-4);
  color: var(--color-ink-soft); font-size: 0.9rem;
}
.site-footer .container { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between; }
.site-footer nav { display: grid; gap: 0.3rem; }

/* ---------- Tableaux ---------- */
table { border-collapse: collapse; width: 100%; margin: var(--space-2) 0; }
th, td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--color-line); }
th { font-family: var(--font-display); font-size: 0.85rem; letter-spacing: 0.04em; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin: 0 auto var(--space-2); }
  .site-header .container { flex-wrap: wrap; gap: 0.5rem; }
  .main-nav { width: 100%; justify-content: center; gap: 0.9rem; }
  .fiche dl { grid-template-columns: 1fr; }
}