/* ============================================================
   Impremium — Pré-site vitrine — style.css
   Couleurs marque : bleu (édition) · corail/rouge (signalétique) · or (accent)
   ============================================================ */

:root {
  /* --- Brand palette officielle Impremium 2024 --- */
  --brand-blue:       #1D9DD9;  /* Printing Blue C75 M22 */
  --brand-blue-deep:  #1480b5;
  --brand-coral:      #E52721;  /* Display Red M94 J92 */
  --brand-coral-deep: #c01e18;
  --brand-gold:       #F2B708;  /* Service Yellow C5 M30 J95 */

  /* --- Neutral foundation (light) --- */
  --bg:        oklch(98.5% 0.004 250);
  --surface:   oklch(100% 0 0);
  --surface-2: oklch(96.5% 0.006 250);
  --border:    oklch(50% 0.02 250 / 0.14);
  --border-strong: oklch(50% 0.02 250 / 0.26);
  --text:      oklch(24% 0.02 255);
  --text-soft: oklch(44% 0.02 255);
  --text-mute: oklch(58% 0.015 255);

  --shadow-sm: 0 1px 2px oklch(40% 0.03 255 / .08), 0 1px 1px oklch(40% 0.03 255 / .04);
  --shadow-md: 0 4px 14px oklch(40% 0.03 255 / .10), 0 2px 6px oklch(40% 0.03 255 / .06);
  --shadow-lg: 0 18px 50px oklch(40% 0.05 255 / .16), 0 8px 18px oklch(40% 0.05 255 / .08);

  /* --- Type scale (fluid clamp) --- */
  --text-xs:  0.78rem;
  --text-sm:  0.9rem;
  --text-base: 1rem;
  --text-md:  1.075rem;
  --text-lg:  clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
  --text-xl:  clamp(1.6rem, 1.3rem + 1.4vw, 2.2rem);
  --text-2xl: clamp(2.1rem, 1.6rem + 2.4vw, 3.4rem);
  --text-3xl: clamp(2.8rem, 2rem + 3.8vw, 4.8rem);

  /* --- Spacing (4px base) --- */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px; --sp-6: 24px;
  --sp-8: 32px; --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;

  --radius-sm: 8px; --radius: 14px; --radius-lg: 22px; --radius-pill: 999px;
  --maxw: 1180px;

  --font-display: "Figtree", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
}

[data-theme="dark"] {
  --bg:        oklch(20% 0.02 258);
  --surface:   oklch(24% 0.022 258);
  --surface-2: oklch(27% 0.025 258);
  --border:    oklch(80% 0.02 258 / 0.12);
  --border-strong: oklch(80% 0.02 258 / 0.22);
  --text:      oklch(95% 0.01 258);
  --text-soft: oklch(80% 0.015 258);
  --text-mute: oklch(66% 0.015 258);
  --brand-blue:  #3db5e8;
  --brand-coral: #f04040;
  --brand-gold:  #f5c430;
  --shadow-sm: 0 1px 2px oklch(0% 0 0 / .4);
  --shadow-md: 0 6px 18px oklch(0% 0 0 / .45);
  --shadow-lg: 0 22px 55px oklch(0% 0 0 / .55);
}

html { font-family: var(--font-body); background: var(--bg); color: var(--text); }
body { background: var(--bg); color: var(--text); font-size: var(--text-md); transition: background .4s ease, color .4s ease; }

h1, h2, h3, .display { font-family: var(--font-display); font-weight: 600; line-height: 1.08; letter-spacing: -0.02em; color: var(--text); }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1.1rem, 4vw, 2.5rem); }
section { padding-block: clamp(3.2rem, 7vw, 6rem); }
.eyebrow { font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm); letter-spacing: .12em; text-transform: uppercase; color: var(--brand-coral); display: inline-flex; align-items: center; gap: .5rem; }
.eyebrow.blue { color: var(--brand-blue); }
.lead { color: var(--text-soft); font-size: var(--text-lg); max-width: 60ch; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; font-size: var(--text-base); padding: .85rem 1.5rem; border-radius: var(--radius-pill); transition: transform .25s cubic-bezier(.22,1,.36,1), box-shadow .25s ease, background .25s ease; min-height: 48px; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--brand-coral); color: oklch(99% 0 0); box-shadow: var(--shadow-md); }
.btn-primary:hover { background: var(--brand-coral-deep); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-blue { background: var(--brand-blue); color: oklch(99% 0 0); box-shadow: var(--shadow-md); }
.btn-blue:hover { background: var(--brand-blue-deep); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: var(--surface); color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--brand-blue); color: var(--brand-blue); transform: translateY(-2px); }

/* ---------- Header / Nav ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: color-mix(in oklch, var(--bg) 88%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); height: 70px; }
.brand { display: inline-flex; align-items: center; }
.brand .logo-img { height: 31px; width: auto; flex: none; }
.site-footer .brand .logo-img { height: 36px; }
.logo-dark { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: block; }
.nav-links { display: none; gap: var(--sp-6); align-items: center; }
.nav-links a { font-size: var(--text-sm); font-weight: 500; color: var(--text-soft); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: var(--sp-3); }
.theme-toggle { width: 42px; height: 42px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); display: grid; place-items: center; color: var(--text-soft); transition: background .2s, color .2s; }
.theme-toggle:hover { color: var(--brand-blue); background: var(--surface-2); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .moon { display: none; }
[data-theme="dark"] .theme-toggle .sun { display: none; }
[data-theme="dark"] .theme-toggle .moon { display: block; }
.nav-cta { display: none; }
@media (min-width: 860px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; padding-top: clamp(2.5rem, 5vw, 4rem); }
.hero::before { content: ""; position: absolute; inset: 0; background:
    radial-gradient(60% 50% at 12% 0%, oklch(63% 0.20 28 / .14), transparent 60%),
    radial-gradient(55% 50% at 95% 18%, oklch(55% 0.16 250 / .16), transparent 60%);
  pointer-events: none; z-index: -1; }
.hero-grid { display: grid; gap: clamp(2rem, 4vw, 3.5rem); align-items: center; }
@media (min-width: 940px) { .hero-grid { grid-template-columns: 1.05fr 0.95fr; } }
.hero h1 { font-size: var(--text-3xl); }
.hero h1 .hl { color: var(--brand-coral); }
.hero .lead { margin-top: var(--sp-6); font-size: var(--text-lg); }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-8); }
.hero-meta { display: flex; flex-wrap: wrap; gap: var(--sp-6); margin-top: var(--sp-12); }
.hero-meta .item { }
.hero-meta .n { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--brand-blue); line-height: 1; }
.hero-meta .l { font-size: var(--text-sm); color: var(--text-mute); margin-top: 4px; }
.hero-visual { position: relative; }
.hero-collage { display: grid; grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; gap: var(--sp-3); }
.hero-collage figure { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.hero-collage img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; transition: transform .8s cubic-bezier(.22,1,.36,1); }
.hero-collage figure:hover img { transform: scale(1.05); }
.hero-collage .tall { grid-row: span 2; }
.hero-collage .tall img { aspect-ratio: 4/7; }

/* ---------- Réassurance bandeau ---------- */
.reassure { background: var(--brand-blue-deep); color: oklch(97% 0.01 250); }
[data-theme="dark"] .reassure { background: oklch(28% 0.05 255); }
.reassure .container { padding-block: var(--sp-8); }
.reassure-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
@media (min-width: 760px) { .reassure-grid { grid-template-columns: repeat(4, 1fr); } }
.reassure .item { display: flex; gap: .8rem; align-items: flex-start; }
.reassure .item svg { width: 26px; height: 26px; flex: none; color: var(--brand-gold); margin-top: 2px; }
.reassure .item b { display: block; font-weight: 600; font-size: var(--text-base); }
.reassure .item span { font-size: var(--text-sm); color: oklch(90% 0.02 250 / .85); }

/* ---------- Section heading ---------- */
.sec-head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.sec-head h2 { font-size: var(--text-2xl); margin-top: var(--sp-3); }
.sec-head p { color: var(--text-soft); font-size: var(--text-lg); margin-top: var(--sp-4); }

/* ---------- 3 métiers ---------- */
.metiers { display: grid; gap: var(--sp-6); }
@media (min-width: 820px) { .metiers { grid-template-columns: repeat(3, 1fr); } }
.metier { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--sp-8); box-shadow: var(--shadow-sm); transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s; overflow: hidden; }
.metier:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.metier::after { content: ""; position: absolute; inset-inline: 0; top: 0; height: 4px; background: var(--accent, var(--brand-blue)); }
.metier .icon { width: 52px; height: 52px; border-radius: var(--radius); display: grid; place-items: center; margin-bottom: var(--sp-6); color: var(--accent, var(--brand-blue)); background: color-mix(in oklch, var(--accent, var(--brand-blue)) 14%, transparent); }
.metier .icon svg { width: 26px; height: 26px; }
.metier h3 { font-size: var(--text-lg); }
.metier p { color: var(--text-soft); font-size: var(--text-base); margin-top: var(--sp-3); }
.metier ul { margin-top: var(--sp-4); display: flex; flex-direction: column; gap: 6px; }
.metier li { font-size: var(--text-sm); color: var(--text-mute); padding-left: 1.1rem; position: relative; }
.metier li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--accent, var(--brand-blue)); }
.metier.m-sign { --accent: var(--brand-coral); }
.metier.m-edit { --accent: var(--brand-blue); }
.metier.m-repro { --accent: var(--brand-gold); }
.badge-focus { position: absolute; top: var(--sp-6); right: var(--sp-6); font-size: var(--text-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--brand-coral); background: color-mix(in oklch, var(--brand-coral) 14%, transparent); padding: 4px 10px; border-radius: var(--radius-pill); }

/* ---------- Focus Signalétique ---------- */
.focus-sign { background: var(--surface-2); }
.universes { display: grid; gap: var(--sp-6); }
@media (min-width: 680px) { .universes { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .universes { grid-template-columns: repeat(4, 1fr); } }
.universe { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s; }
.universe:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.universe .img { aspect-ratio: 4/3; overflow: hidden; background: var(--surface-2); }
.universe .img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.22,1,.36,1); }
.universe:hover .img img { transform: scale(1.06); }
.universe .body { padding: var(--sp-6); }
.universe h3 { font-size: var(--text-md); font-family: var(--font-body); font-weight: 600; }
.universe p { font-size: var(--text-sm); color: var(--text-soft); margin-top: 6px; }

/* ---------- Galerie réalisations ---------- */
.gallery { columns: 1; column-gap: var(--sp-4); }
@media (min-width: 560px) { .gallery { columns: 2; } }
@media (min-width: 980px) { .gallery { columns: 3; } }
.gallery figure { break-inside: avoid; margin-bottom: var(--sp-4); border-radius: var(--radius); overflow: hidden; position: relative; box-shadow: var(--shadow-sm); border: 1px solid var(--border); }
.gallery img { width: 100%; height: auto; transition: transform .8s cubic-bezier(.22,1,.36,1); }
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption { position: absolute; inset: auto 0 0 0; padding: 1.4rem .9rem .8rem; font-size: var(--text-sm); color: oklch(99% 0 0); font-weight: 500; background: linear-gradient(to top, oklch(15% 0.02 255 / .82), transparent); opacity: 0; transition: opacity .35s ease; }
.gallery figure:hover figcaption, .gallery figure:focus-within figcaption { opacity: 1; }

/* ---------- Pourquoi ---------- */
.why-grid { display: grid; gap: var(--sp-6); }
@media (min-width: 720px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1020px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }
.why-card { padding: var(--sp-6); border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.why-card .ic { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; color: var(--brand-blue); background: color-mix(in oklch, var(--brand-blue) 13%, transparent); margin-bottom: var(--sp-4); }
.why-card .ic svg { width: 22px; height: 22px; }
.why-card h3 { font-size: var(--text-md); font-family: var(--font-body); font-weight: 600; }
.why-card p { font-size: var(--text-sm); color: var(--text-soft); margin-top: 6px; }

/* ---------- Contact / Devis ---------- */
.contact { background: linear-gradient(135deg, var(--brand-blue-deep), oklch(30% 0.10 270)); color: oklch(97% 0.01 250); }
[data-theme="dark"] .contact { background: linear-gradient(135deg, oklch(26% 0.05 258), oklch(22% 0.04 270)); }
.contact-grid { display: grid; gap: clamp(2rem, 4vw, 3rem); }
@media (min-width: 880px) { .contact-grid { grid-template-columns: 1.1fr .9fr; align-items: center; } }
.contact h2 { font-size: var(--text-2xl); color: oklch(99% 0 0); }
.contact .lead { color: oklch(92% 0.02 250 / .9); margin-top: var(--sp-4); }
.contact-actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-8); }
.contact .btn-green { background: var(--brand-gold); color: oklch(25% 0.05 80); }
.contact .btn-green:hover { background: oklch(82% 0.13 85); transform: translateY(-2px); }
.contact-card { background: oklch(100% 0 0 / .08); border: 1px solid oklch(100% 0 0 / .16); border-radius: var(--radius-lg); padding: var(--sp-8); backdrop-filter: blur(6px); }
.contact-card .row { display: flex; gap: .8rem; align-items: flex-start; padding-block: var(--sp-4); border-bottom: 1px solid oklch(100% 0 0 / .12); }
.contact-card .row:last-child { border-bottom: 0; }
.contact-card .row svg { width: 22px; height: 22px; flex: none; color: var(--brand-gold); margin-top: 2px; }
.contact-card .row b { display: block; font-weight: 600; }
.contact-card .row span { font-size: var(--text-sm); color: oklch(90% 0.02 250 / .82); }
.contact-card a { text-decoration: none; }
.green-num { font-family: var(--font-display); font-size: var(--text-lg); }

/* ---------- Footer ---------- */
.site-footer { background: var(--surface-2); border-top: 1px solid var(--border); }
.footer-grid { display: grid; gap: var(--sp-8); padding-block: var(--sp-16) var(--sp-8); }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer-grid p { color: var(--text-soft); font-size: var(--text-sm); margin-top: var(--sp-4); max-width: 38ch; }
.footer-col h4 { font-size: var(--text-sm); text-transform: uppercase; letter-spacing: .08em; color: var(--text-mute); margin-bottom: var(--sp-4); }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: var(--text-sm); color: var(--text-soft); transition: color .2s; }
.footer-col a:hover { color: var(--brand-blue); }
.footer-labels { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-top: var(--sp-6); }
.label-chip { font-size: var(--text-xs); font-weight: 600; padding: 5px 12px; border-radius: var(--radius-pill); border: 1px solid var(--border-strong); color: var(--text-soft); }
.footer-bottom { border-top: 1px solid var(--border); padding-block: var(--sp-6); display: flex; flex-wrap: wrap; gap: var(--sp-3); justify-content: space-between; align-items: center; font-size: var(--text-xs); color: var(--text-mute); }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ============================================================
   BANDEAU COOKIE & LIENS LÉGAUX
============================================================ */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: #fff;
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.08);
  padding: 1rem 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}
.cookie-banner.hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}
.cookie-banner__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cookie-banner__text {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  flex: 1;
}
.cookie-banner__text svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #e63312;
}
.cookie-banner__text p {
  font-size: 0.875rem;
  color: #555;
  margin: 0;
  line-height: 1.6;
}
.cookie-banner__text a {
  color: #e63312;
  text-decoration: underline;
}
.cookie-banner__text strong { color: #111; }
.cookie-btn {
  flex-shrink: 0;
  background: #e63312;
  color: #fff;
  border: none;
  padding: 0.625rem 1.5rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.cookie-btn:hover { opacity: 0.85; }

/* Liens légaux footer */
.footer-legal a {
  color: inherit;
  opacity: 0.7;
  text-decoration: none;
}
.footer-legal a:hover { opacity: 1; text-decoration: underline; }

/* ============================================================
   MENU MOBILE RESPONSIVE
============================================================ */
.burger-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
}
.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.burger-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (min-width: 860px) { .burger-btn { display: none; } }

/* Menu mobile overlay */
.mobile-menu {
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 49;
  background: var(--surface);
  padding: 2rem 1.5rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
  border-top: 1px solid var(--border);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.mobile-link {
  display: block;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  font-family: var(--font-display);
}
.mobile-link:hover { color: var(--brand-coral); }

@media (min-width: 860px) { .mobile-menu { display: none; } }