/* ============================================================
   Stilmant — carte de visite web
   Palette charte : Charbon #1A1A1E · Bleu Deceuninck #005CA9
                    Gris bleuté #DCE3EB · Blanc #FFFFFF
   ============================================================ */

:root {
  --charbon: #1a1a1e;
  --bleu: #005ca9;
  --bleu-700: #004a86;
  --gris: #dce3eb;
  --blanc: #ffffff;

  --fs-contact: clamp(0.9rem, 0.82rem + 0.4vw, 1.02rem);
  --bar-pad-x: clamp(1.25rem, 5vw, 4rem);
  --bar-pad-y: clamp(1.1rem, 2.2vh, 1.6rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--blanc);
  background: var(--charbon);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* pré-masquage anti-flash : seulement si JS actif */
.js [data-reveal] { opacity: 0; }

/* ---------- Structure ---------- */

.card {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
}

/* ---------- Héros ---------- */

.hero {
  position: relative;
  flex: 1 1 auto;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: clamp(2rem, 8vh, 6rem) 1.5rem;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 46%,
      rgba(26, 26, 30, 0.38), rgba(26, 26, 30, 0) 70%),
    linear-gradient(180deg,
      rgba(26, 26, 30, 0.46) 0%,
      rgba(26, 26, 30, 0.5) 55%,
      rgba(26, 26, 30, 0.6) 100%);
}

.hero__logo {
  position: relative;
  z-index: 1;
  width: clamp(16rem, 42vw, 33rem);
  transform: translateY(-2%);
}

.hero__logo svg {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 6px 28px rgba(26, 26, 30, 0.35));
}

/* ---------- Barre bleue ---------- */

.bar {
  flex: 0 0 auto;
  background: var(--bleu);
  padding:
    var(--bar-pad-y)
    calc(var(--bar-pad-x) + env(safe-area-inset-right, 0px))
    calc(var(--bar-pad-y) + env(safe-area-inset-bottom, 0px))
    calc(var(--bar-pad-x) + env(safe-area-inset-left, 0px));
}

.bar__inner {
  max-width: 78rem;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 2.5rem);
}

.bar__contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(0.7rem, 2vw, 1.6rem);
}

.contact__item {
  font-size: var(--fs-contact);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--blanc);
  transition: color 0.3s var(--ease-out);
}

a.contact__item:hover,
a.contact__item:focus-visible { color: var(--gris); }

/* Séparateur = petit carré, écho au point carré de la baseline du logo */
.contact__sep {
  flex: 0 0 auto;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--blanc);
  opacity: 0.8;
}

.bar__social {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.social__link {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 999px;
  color: var(--blanc);
  transition: background-color 0.3s var(--ease-out),
              transform 0.3s var(--ease-out);
}

.social__link svg { width: 1.25rem; height: 1.25rem; }

.social__link:hover,
.social__link:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-2px);
}

:focus-visible { outline: 2px solid var(--blanc); outline-offset: 3px; }

/* ---------- Mobile ---------- */

@media (max-width: 48rem) {
  .bar__inner {
    flex-direction: column;
    gap: 1.25rem;
    text-align: center;
  }
  .bar__contact {
    flex-direction: column;
    gap: 0.75rem;
  }
  .contact__sep { display: none; }
  .hero__logo { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg { will-change: auto; }
}