/* ============================================================
   NeuroShop — styles
   ============================================================ */
/* Palette chaude : crème + terracotta (clair par défaut, sombre automatique) */
:root {
  --bg: #faf9f5;
  --bg-2: #f0eee6;
  --surface: #ffffff;
  --surface-2: #f5f4ee;
  --border: #e3dfd3;
  --text: #1f1e1d;
  --muted: #6b675e;
  --primary: #d97757;
  --primary-2: #c15f3c;
  --primary-soft: rgba(217, 119, 87, 0.12);
  --success: #5f8a4e;
  --warn: #c07a1a;
  --danger: #b9412f;
  --radius: 16px;
  --shadow: 0 20px 50px -24px rgba(60, 40, 20, 0.35);
  --grad: linear-gradient(135deg, var(--primary), var(--primary-2));
  --header-bg: rgba(250, 249, 245, 0.8);
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #262624;
    --bg-2: #1f1e1d;
    --surface: #30302e;
    --surface-2: #3a3936;
    --border: #45443f;
    --text: #f5f4ee;
    --muted: #a8a59b;
    --primary-soft: rgba(217, 119, 87, 0.18);
    --success: #8fbf7a;
    --warn: #e0a54a;
    --danger: #e0715f;
    --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.6);
    --header-bg: rgba(38, 38, 36, 0.8);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
h1, h2, h3, .logo, .card-price strong, .pm-total, .hero-stats strong { font-family: var(--serif); font-weight: 600; }
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
img { max-width: 100%; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.narrow { width: min(760px, 100% - 32px); }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.center { text-align: center; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 12px; font-weight: 600;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s, opacity 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 24px -10px rgba(193, 95, 60, 0.6); }
.btn-primary:hover { box-shadow: 0 10px 28px -8px rgba(193, 95, 60, 0.75); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { border: 1px solid var(--border); background: var(--surface); }
.btn-ghost:hover { border-color: var(--primary); }
.btn.sm { padding: 8px 14px; font-size: 0.9rem; border-radius: 10px; }
.btn.block { width: 100%; }
.link-btn { color: var(--muted); font-size: 0.8rem; text-decoration: underline; }
.link-btn:hover { color: var(--danger); }

.icon-btn {
  position: relative; width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  transition: border-color 0.2s;
}
.icon-btn:hover { border-color: var(--primary); }
.icon-btn.bump { animation: bump 0.4s; }
@keyframes bump { 50% { transform: scale(1.2); } }

/* ---------- Promo bar & header ---------- */
.promo-bar { background: var(--grad); color: #fff; text-align: center; font-size: 0.9rem; padding: 8px 16px; }
.header {
  position: sticky; top: 0; z-index: 50;
  background: var(--header-bg); backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent; transition: border-color 0.2s;
}
.header.scrolled { border-color: var(--border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; }
.logo { font-weight: 700; font-size: 1.3rem; display: flex; align-items: center; gap: 8px; }
.logo-mark { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-size: 1.5rem; }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--muted); font-weight: 500; transition: color 0.2s; }
.nav a:hover { color: var(--text); }
.header-actions { display: flex; gap: 10px; }
.cart-count {
  position: absolute; top: -6px; right: -6px; min-width: 20px; height: 20px; padding: 0 5px;
  border-radius: 10px; background: var(--primary); color: #fff; font-size: 0.72rem; font-weight: 700;
  display: grid; place-items: center;
}
.burger { display: none; }

/* ---------- Hero ---------- */
.hero { padding: 80px 0 60px; overflow: hidden; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 400px at 80% 20%, rgba(217, 119, 87, 0.16), transparent),
              radial-gradient(500px 300px at 10% 80%, rgba(193, 95, 60, 0.08), transparent);
  pointer-events: none;
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; position: relative; }
.badge {
  display: inline-block; padding: 6px 14px; border-radius: 999px; font-size: 0.85rem; font-weight: 500;
  background: var(--primary-soft); border: 1px solid rgba(217, 119, 87, 0.4); color: var(--primary-2);
}
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.1; margin: 20px 0; letter-spacing: -0.01em; }
.hero p { color: var(--muted); font-size: 1.1rem; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; margin: 32px 0; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; flex-wrap: wrap; }
.hero-stats strong { display: block; font-size: 1.5rem; }
.hero-stats span { color: var(--muted); font-size: 0.9rem; }

.hero-visual { position: relative; height: 400px; }
.orb {
  position: absolute; inset: 40px; border-radius: 50%;
  background: conic-gradient(from 0deg, var(--primary), #e8b89a, var(--primary-2), #f0d8c4, var(--primary));
  filter: blur(50px); opacity: 0.45; animation: spin 14s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.float-card {
  position: absolute; padding: 14px 18px; border-radius: 14px; font-weight: 600;
  background: color-mix(in srgb, var(--surface) 88%, transparent); border: 1px solid var(--border); backdrop-filter: blur(10px);
  box-shadow: var(--shadow); animation: float 5s ease-in-out infinite;
}
.float-card small { display: block; color: var(--success); font-weight: 500; font-size: 0.8rem; }
.c1 { top: 40px; left: 0; }
.c2 { top: 170px; right: 0; animation-delay: -1.6s; }
.c3 { bottom: 40px; left: 60px; animation-delay: -3.2s; }
@keyframes float { 50% { transform: translateY(-12px); } }

/* ---------- Garanties ---------- */
.trust { border-block: 1px solid var(--border); background: var(--bg-2); padding: 28px 0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust-item { display: flex; gap: 12px; align-items: center; }
.trust-item > span { font-size: 1.6rem; }
.trust-item small { display: block; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section.alt { background: var(--bg-2); }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); letter-spacing: -0.01em; }
.section-head p { color: var(--muted); margin-top: 8px; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-bottom: 32px; }
.search {
  flex: 1 1 240px; display: flex; align-items: center; gap: 10px; padding: 0 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px; color: var(--muted);
}
.search input { flex: 1; background: none; border: none; outline: none; padding: 12px 0; color: var(--text); }
.search:focus-within { border-color: var(--primary); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 8px 16px; border-radius: 999px; border: 1px solid var(--border); background: var(--surface);
  color: var(--muted); font-weight: 500; font-size: 0.9rem; transition: all 0.2s;
}
.chip:hover { color: var(--text); }
.chip.active { background: var(--grad); border-color: transparent; color: #fff; }
select {
  padding: 11px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); outline: none;
}

/* ---------- Cartes produit ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.card {
  position: relative; display: flex; flex-direction: column; padding: 24px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 20px 40px -20px var(--accent); }
.card-badge {
  position: absolute; top: 16px; right: 16px; padding: 4px 10px; border-radius: 999px;
  font-size: 0.75rem; font-weight: 700; background: var(--accent); color: #fff;
}
.card-icon {
  width: 56px; height: 56px; display: grid; place-items: center; font-size: 1.7rem; border-radius: 14px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  margin-bottom: 16px; flex-shrink: 0;
}
.card-icon.lg { width: 72px; height: 72px; font-size: 2.2rem; margin: 0; }
.card-icon.sm { width: 44px; height: 44px; font-size: 1.3rem; margin: 0; border-radius: 12px; }
.card h3 { font-size: 1.15rem; }
.card-desc { color: var(--muted); font-size: 0.92rem; margin: 6px 0 10px; }
.rating { font-size: 0.88rem; }
.stars { color: #fbbf24; letter-spacing: 1px; }
.card-feats { list-style: none; margin: 14px 0; display: grid; gap: 6px; font-size: 0.88rem; }
.card-feats li::before, .check-list li::before { content: "✓"; color: var(--success); font-weight: 700; margin-right: 8px; }
.card-price { display: flex; align-items: baseline; gap: 8px; margin-top: auto; flex-wrap: wrap; }
.card-price .from { color: var(--muted); font-size: 0.85rem; }
.card-price strong { font-size: 1.5rem; }
.card-price s, .plan s { color: var(--muted); font-size: 0.85rem; }
.off { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); font-size: 0.78rem; font-weight: 700; padding: 2px 8px; border-radius: 6px; }
.stock { font-size: 0.8rem; color: var(--success); margin: 8px 0 16px; }
.stock.low { color: var(--warn); }
.card-actions { display: grid; grid-template-columns: 1fr 1.4fr; gap: 10px; }
.prompt-count {
  display: inline-block; width: fit-content; padding: 3px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  background: color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent); color: var(--text);
}
.sample {
  border-left: 3px solid var(--accent); background: var(--bg-2); border-radius: 0 12px 12px 0; padding: 14px 18px;
}
.sample-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.sample p { font-family: ui-monospace, "SF Mono", Consolas, monospace; font-size: 0.85rem; margin-top: 6px; color: var(--text); }
.footer-note { margin-top: 8px; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

/* ---------- Étapes ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { padding: 32px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); text-align: center; }
.step-n {
  width: 52px; height: 52px; display: inline-grid; place-items: center; border-radius: 50%;
  background: var(--grad); color: #fff; font-weight: 800; font-size: 1.3rem; margin-bottom: 16px;
}
.step p { color: var(--muted); margin-top: 6px; }

/* ---------- Avis ---------- */
.reviews { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.review { padding: 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.review p { margin: 12px 0 16px; }
.review-foot { display: flex; flex-direction: column; font-size: 0.9rem; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 0 22px; }
.faq-item summary {
  cursor: pointer; padding: 18px 0; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--primary); transition: transform 0.2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); padding-bottom: 18px; }

/* ---------- Formulaires ---------- */
.form { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form label { display: grid; gap: 6px; font-size: 0.9rem; font-weight: 500; }
.form input:not([type=radio]):not([type=checkbox]), .form select, .form textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: var(--bg-2); outline: none; transition: border-color 0.2s; resize: vertical;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--primary); }
.form label.checkbox { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; color: var(--muted); }
.form label.checkbox input { margin-top: 4px; accent-color: var(--primary); }
.form label.checkbox a { color: var(--primary-2); text-decoration: underline; }
.form h4 { margin-top: 4px; }

/* ---------- Newsletter & footer ---------- */
.newsletter { padding: 50px 0; background: var(--grad); }
.newsletter-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; color: #fff; }
.newsletter h3 { font-size: 1.5rem; }
.newsletter-form { display: flex; gap: 10px; flex: 1 1 360px; max-width: 460px; }
.newsletter-form input { flex: 1; min-width: 0; padding: 12px 16px; border-radius: 12px; border: none; outline: none; color: #111; }
.newsletter-form .btn { background: #1f1e1d; color: #faf9f5; box-shadow: none; }

.footer { padding: 60px 0 24px; background: var(--bg); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer-grid p { margin-top: 12px; max-width: 280px; }
.footer h4 { margin-bottom: 12px; }
.footer-grid a:not(.logo) { display: block; color: var(--muted); padding: 3px 0; }
.footer-grid a:not(.logo):hover { color: var(--text); }
.pay-icons { display: flex; gap: 8px; flex-wrap: wrap; }
.pay-icons span { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.8rem; font-weight: 700; color: var(--muted); }
.footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.85rem; text-align: center; }

/* ---------- Overlay, tiroir, modales ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 90; background: rgba(20, 15, 10, 0.45); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.overlay.open { opacity: 1; pointer-events: auto; }

.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 100; width: min(420px, 100%);
  background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.3s ease;
}
.drawer.open { transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.drawer-body { flex: 1; overflow-y: auto; padding: 16px 24px; }
.drawer-foot { padding: 20px 24px; border-top: 1px solid var(--border); display: grid; gap: 12px; }
.cart-empty { text-align: center; padding: 60px 0; color: var(--muted); }
.cart-empty div { font-size: 3rem; }
.cart-empty p { margin: 8px 0 16px; }
.cart-line { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); }
.cart-info { flex: 1; display: grid; gap: 2px; }
.cart-info small { color: var(--muted); }
.cart-right { display: grid; justify-items: end; gap: 4px; }
.qty { display: inline-flex; align-items: center; gap: 10px; margin-top: 4px; }
.qty button { width: 26px; height: 26px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-2); }
.qty button:hover { border-color: var(--primary); }
.coupon { display: flex; gap: 8px; }
.coupon input {
  flex: 1; min-width: 0; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-2); outline: none; text-transform: uppercase;
}
.coupon-msg { font-size: 0.82rem; min-height: 1em; }
.coupon-msg.ok { color: var(--success); }
.coupon-msg.warn { color: var(--warn); }
.coupon-msg.err { color: var(--danger); }
.totals { display: grid; gap: 6px; }
.totals > div { display: flex; justify-content: space-between; color: var(--muted); }
.discount-row { color: var(--success) !important; }
.totals .total { color: var(--text); font-size: 1.2rem; font-weight: 800; }

.modal {
  position: fixed; inset: 0; z-index: 110; display: grid; place-items: center; padding: 16px;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.modal.open { opacity: 1; pointer-events: auto; }
.modal-box {
  position: relative; width: min(760px, 100%); max-height: calc(100vh - 32px); overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 32px;
  box-shadow: var(--shadow); transform: translateY(20px); transition: transform 0.25s;
}
.modal.open .modal-box { transform: none; }
.modal-close { position: absolute; top: 16px; right: 16px; }
.modal h2 { margin-bottom: 8px; padding-right: 48px; }

/* Modale produit */
.pm { display: grid; gap: 16px; }
.pm-head { display: flex; gap: 18px; align-items: center; }
.pm > p { color: var(--muted); }
.check-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.plan {
  display: grid; gap: 2px; padding: 16px; text-align: left; border-radius: 14px;
  border: 2px solid var(--border); background: var(--bg-2); transition: border-color 0.2s;
}
.plan:hover { border-color: color-mix(in srgb, var(--accent) 60%, transparent); }
.plan.active { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, var(--bg-2)); }
.plan strong { font-size: 1.2rem; }
.pm-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 8px; }
.pm-total { font-size: 1.8rem; font-weight: 800; }

/* Checkout */
.checkout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 28px; margin-top: 20px; }
.pay-methods { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.form label.pay-opt {
  display: flex; align-items: center; gap: 8px; padding: 12px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--bg-2); cursor: pointer; font-size: 0.85rem;
}
.pay-opt:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
.pay-opt input { accent-color: var(--primary); }
#cardFields { display: grid; gap: 16px; }
#cardFields[hidden] { display: none; }
.summary { background: var(--bg-2); border: 1px solid var(--border); border-radius: 16px; padding: 20px; align-self: start; display: grid; gap: 10px; }
.sum-line { display: flex; justify-content: space-between; gap: 12px; font-size: 0.9rem; }
.sum-line small { color: var(--muted); }
.sum-line.ok { color: var(--success); }
.sum-line.total { font-size: 1.15rem; font-weight: 800; }
.summary hr { border: none; border-top: 1px solid var(--border); }

.success { text-align: center; padding: 20px 0; display: grid; gap: 12px; justify-items: center; }
.success h2 { padding: 0; }
.success p { color: var(--muted); }
.success-icon {
  width: 80px; height: 80px; border-radius: 50%; display: grid; place-items: center;
  background: var(--success); color: #fff; font-size: 2.4rem; font-weight: 800; animation: pop 0.4s;
}
@keyframes pop { 0% { transform: scale(0); } 80% { transform: scale(1.1); } }

.legal p { color: var(--muted); margin-top: 12px; }

/* Toast */
.toast {
  position: fixed; bottom: 24px; left: 50%; z-index: 200; transform: translate(-50%, 120px);
  padding: 14px 22px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border);
  box-shadow: var(--shadow); font-weight: 500; transition: transform 0.3s; max-width: calc(100% - 32px);
}
.toast.show { transform: translate(-50%, 0); }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { height: 280px; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .checkout { grid-template-columns: 1fr; }
  .summary { order: -1; }
}

@media (max-width: 760px) {
  .burger { display: grid; }
  .nav {
    position: absolute; top: 70px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg-2); border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height 0.3s;
  }
  .nav.open { max-height: 400px; }
  .nav a { padding: 14px 16px; border-top: 1px solid var(--border); }
  .section { padding: 64px 0; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .check-list { grid-template-columns: 1fr; }
  .pay-methods { grid-template-columns: 1fr; }
  .modal-box { padding: 24px 20px; }
  .pm-foot { flex-direction: column; align-items: stretch; }
  .toolbar select { flex: 1; }
}

@media (max-width: 480px) {
  .trust-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-visual { display: none; }
  .newsletter-form { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}