/* LOC Aircraft — site vitrine statique */
:root {
  --navy: #0c2a5c;
  --navy-deep: #071a3b;
  --blue: #1d5fb0;
  --sky: #6fa8e6;
  --sky-soft: #eaf2fc;
  --ink: #142033;
  --muted: #5a6779;
  --line: #dfe6ef;
  --bg: #ffffff;
  --radius: 14px;
  --max: 1160px;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--sans); font-size: 17px; line-height: 1.65; color: var(--ink); background: var(--bg); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1, h2 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); color: var(--navy); }
h3 { font-size: 1.15rem; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.eyebrow { display: inline-block; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 720px; }
section { padding: 88px 0; scroll-margin-top: 64px; }
@media (max-width: 700px) { section { padding: 60px 0; } }

/* En-tête */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.92); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 16px; }
.brand img { height: 40px; width: auto; }
.nav-toggle { display: none; }
.nav-toggle-label { display: none; cursor: pointer; padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; font-weight: 600; }
.site-nav ul { list-style: none; display: flex; gap: 2px; align-items: center; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 500; }
.site-nav a:hover { background: var(--sky-soft); color: var(--navy); }
.site-nav a.cta { background: var(--navy); color: #fff; margin-left: 8px; }
.site-nav a.cta:hover { background: var(--blue); }
@media (max-width: 860px) {
  .nav-toggle-label { display: inline-block; }
  .site-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .site-nav a.cta { margin: 8px 0 0; text-align: center; }
  .nav-toggle:checked ~ .site-nav { display: block; }
}

/* Bandeau */
.hero { position: relative; min-height: calc(100vh - 64px); min-height: calc(100svh - 64px); display: flex; align-items: center; color: #fff; background: var(--navy-deep) url('img/hero-helice-nuages.jpg') center 60% / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7, 26, 59, 0.82) 0%, rgba(7, 26, 59, 0.55) 45%, rgba(7, 26, 59, 0.1) 100%); }
.hero .wrap { position: relative; width: 100%; padding-top: 64px; padding-bottom: 64px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.4rem); max-width: 760px; margin-bottom: 0.3em; }
.hero h1 em { font-style: italic; color: #cfe2ff; }
.hero p { font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 600px; color: #e3ecf8; margin: 0 0 1.6em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 14px 26px; border-radius: 999px; font-weight: 600; text-decoration: none; background: #fff; color: var(--navy); border: 1px solid #fff; }
.btn:hover { background: var(--sky-soft); }
.btn.ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.12); }
.btn.dark { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn.dark:hover { background: var(--blue); border-color: var(--blue); }

/* Chiffres clés */
.facts { background: var(--navy); color: #fff; padding: 36px 0; }
.facts ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.facts strong { display: block; font-family: var(--serif); font-size: 2rem; line-height: 1.1; }
.facts span { color: #b9cbe6; font-size: 0.95rem; }
@media (max-width: 760px) { .facts ul { grid-template-columns: repeat(2, 1fr); } }

/* Présentation */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: 0 24px 48px -24px rgba(12, 42, 92, 0.45); }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.checks { list-style: none; padding: 0; margin: 20px 0 0; }
.checks li { position: relative; padding-left: 30px; margin-bottom: 10px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 0.45em; width: 18px; height: 18px; border-radius: 50%; background: var(--sky-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%231d5fb0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }

/* Flotte */
.fleet { background: linear-gradient(180deg, var(--sky-soft), #fff 70%); }
.fleet-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; margin-top: 36px; }
.plane { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: 0 12px 30px -20px rgba(12, 42, 92, 0.35); }
.plane .photo { position: relative; aspect-ratio: 3 / 2; overflow: hidden; background: var(--navy); }
.plane .photo img, .plane .photo .placeholder { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.plane .price { position: absolute; right: 12px; bottom: 12px; background: rgba(255, 255, 255, 0.95); color: var(--navy); border-radius: 999px; padding: 6px 14px; font-weight: 700; font-size: 0.95rem; }
.plane .price small { font-weight: 500; color: var(--muted); }
.plane .badge { position: absolute; left: 12px; top: 12px; background: #fff3dc; color: #8a5300; border-radius: 999px; padding: 4px 12px; font-size: 0.8rem; font-weight: 700; }
.plane .body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.plane .reg { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; color: var(--blue); }
.plane h3 { font-family: var(--serif); font-size: 1.45rem; color: var(--navy); margin: 2px 0 8px; }
.plane p { margin: 0 0 14px; color: var(--muted); }
.plane dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: auto 0 0; padding-top: 14px; border-top: 1px solid var(--line); }
.plane dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.plane dd { margin: 0; font-weight: 600; }
.plane details { margin-top: 14px; font-size: 0.95rem; }
.plane summary { cursor: pointer; color: var(--blue); font-weight: 600; }
.plane details ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; text-align: center; padding: 24px; color: #fff; font-family: var(--serif); font-size: 1.2rem; font-style: italic; background: linear-gradient(135deg, var(--navy) 0%, var(--blue) 60%, var(--sky) 100%); }

/* Tarifs */
.table-scroll { overflow-x: auto; margin-top: 24px; }
.prices { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.prices th, .prices td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
.prices th { background: var(--sky-soft); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.prices .num { text-align: right; white-space: nowrap; }
.prices td.num strong { color: var(--navy); }
.prices td.num.muted { color: var(--muted); }
@media (max-width: 600px) { .prices { font-size: 0.9rem; } .prices th, .prices td { padding: 10px 6px; } .prices th { font-size: 0.7rem; letter-spacing: 0; } }
.note { font-size: 0.95rem; color: var(--muted); }

/* Étapes */
.steps { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.steps li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px 24px; counter-increment: step; }
.steps li::before { content: counter(step); position: absolute; top: -20px; left: 24px; width: 40px; height: 40px; border-radius: 50%; background: var(--navy); color: #fff; font-family: var(--serif); font-size: 1.3rem; display: flex; align-items: center; justify-content: center; }
.steps p { margin: 0; color: var(--muted); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: 32px; } }
.callout { margin-top: 32px; padding: 20px 24px; border-left: 4px solid var(--blue); background: var(--sky-soft); border-radius: 0 var(--radius) var(--radius) 0; }

/* Bande voyage */
.band { position: relative; color: #fff; text-align: center; padding: 140px 0; background: var(--navy-deep) url('img/voyage-gorges.jpg') center / cover no-repeat; }
.band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(7, 26, 59, 0.45), rgba(7, 26, 59, 0.7)); }
.band .wrap { position: relative; max-width: 760px; }
.band h2 { color: #fff; }
.band p { font-size: 1.2rem; color: #e3ecf8; margin: 0; }
@media (max-width: 700px) { .band { padding: 96px 0; } }

/* Galerie */
.gallery { display: grid; grid-template-columns: 2fr 1fr 1fr; grid-template-rows: 240px 240px; gap: 12px; }
.gallery img { width: 100%; height: 100%; min-height: 0; object-fit: cover; border-radius: 10px; }
.gallery img:first-child { grid-row: span 2; }
@media (max-width: 760px) { .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 160px 160px; } .gallery img:first-child { grid-column: span 2; grid-row: auto; } }

/* Contact */
.contact { background: var(--navy-deep); color: #dbe6f5; }
.contact h2 { color: #fff; }
.contact a:not(.btn) { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact address { font-style: normal; line-height: 1.9; }
.contact .btn { margin-top: 8px; }

/* Pied de page */
.site-footer { background: #050f24; color: #8ea3c2; font-size: 0.9rem; padding: 24px 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.site-footer a { color: #cfdcf0; }

/* Page simple */
.page { padding: 64px 0 88px; }
.page h1 { font-size: clamp(2rem, 4vw, 2.8rem); color: var(--navy); }
.page h2 { font-size: 1.5rem; margin-top: 1.6em; }
.todo { background: #fff3cd; color: #7a5200; padding: 0 4px; border-radius: 3px; }