/* ==========================================================================
   Aqua Audiovision — feuille de style principale
   Palette PLACEHOLDER en attendant la charte graphique définitive.
   Tout est piloté par les variables ci-dessous : remplacer les valeurs
   suffit à re-skinner l'ensemble du site.
   ========================================================================== */

:root {
  --color-bg: #0b1520;
  --color-bg-alt: #0f1e2c;
  --color-surface: #142838;
  --color-text: #eef4f8;
  --color-text-muted: #a9bccb;
  --color-primary: #14b8d4;   /* cyan "aqua" — accent principal, placeholder */
  --color-primary-dark: #0d8ca3;
  --color-border: #223b4d;

  --font-heading: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", "Helvetica Neue", Arial, sans-serif;

  --radius: 6px;
  --wrap-max: 1180px;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  margin: 0 0 0.6em;
  font-weight: 700;
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

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

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: #00232b;
  padding: 0.6em 1em;
  z-index: 1000;
}
.skip-link:focus { left: 0; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 21, 32, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}
.logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text);
  letter-spacing: 0.02em;
}
.logo span { color: var(--color-primary); }
.logo:hover { text-decoration: none; }
.logo img { display: block; height: 48px; width: auto; }
.logo--footer { display: block; height: 44px; width: auto; margin-bottom: 0.75rem; }

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4em 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover,
.main-nav a.is-active {
  color: var(--color-text);
  border-color: var(--color-primary);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0.5em;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }
  .main-nav.is-open { max-height: 400px; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1.25rem 1rem;
  }
  .main-nav a { display: block; padding: 0.75em 0; }
}

/* ---------- Sections génériques ---------- */
section { padding: clamp(3rem, 6vw, 5.5rem) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head p { color: var(--color-text-muted); }
.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
}

.hero {
  padding: clamp(4rem, 10vw, 7rem) 0;
  text-align: left;
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 640px;
}
.placeholder-note {
  display: inline-block;
  margin: 0.5em 0 1.5em;
  padding: 0.5em 0.9em;
  background: #3a2a12;
  border: 1px dashed #c99a3d;
  color: #f2d9a3;
  border-radius: var(--radius);
  font-size: 0.85rem;
}

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #00232b;
  font-weight: 700;
  padding: 0.8em 1.6em;
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: transparent; color: var(--color-primary); }

/* ---------- Grilles / cartes ---------- */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.card h3 { margin-bottom: 0.5em; }
.card p { color: var(--color-text-muted); margin-bottom: 0; }

.stats {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  text-align: center;
}
.stats strong {
  display: block;
  font-size: 2rem;
  color: var(--color-primary);
  font-family: var(--font-heading);
}
.stats span { color: var(--color-text-muted); font-size: 0.9rem; }

/* ---------- Portfolio / réalisations ---------- */
.portfolio-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.portfolio-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.portfolio-item img, .portfolio-item video { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.portfolio-item__caption {
  padding: 0.9rem 1rem;
}
.portfolio-item__caption h3 { font-size: 1rem; margin: 0 0 0.2em; }
.portfolio-item__caption span { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- Actualités ---------- */
.news-list { display: grid; gap: 1.5rem; }
.news-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}
.news-item time { color: var(--color-text-muted); font-size: 0.85rem; }
.news-embed { margin-top: 1rem; border-radius: var(--radius); overflow: hidden; }
.news-embed iframe { width: 100%; aspect-ratio: 16/9; border: 0; }
.news-embed video { width: 100%; border-radius: var(--radius); }
.fb-card {
  display: block;
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
}
.fb-card:hover { border-color: var(--color-primary); text-decoration: none; }

/* ---------- Formulaire de contact ---------- */
.form-grid { display: grid; gap: 1rem; max-width: 560px; }
label { display: block; font-weight: 600; margin-bottom: 0.35em; }
input, textarea, select {
  width: 100%;
  padding: 0.7em 0.9em;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
.contact-block { margin-top: 2rem; }
.js-email { font-weight: 600; }
.social-links { list-style: none; padding: 0; margin: 0.5rem 0 0; display: flex; gap: 0.75rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  margin-top: 4rem;
  padding-top: 3rem;
}
.site-footer__inner {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  padding-bottom: 2rem;
}
.site-footer nav.site-footer__col { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer a { color: var(--color-text-muted); }
.site-footer a:hover { color: var(--color-primary); }
.logo--footer { font-size: 1.2rem; }
.site-footer__bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.site-footer__bottom a { color: var(--color-text-muted); text-decoration: underline; }