/* ==========================================================================
   AIRlabs — CSS propre (multi-pages) — version clean
   ========================================================================== */

/* ====== Tokens ====== */
:root{
  --bg:#111c33;
  --card:#111827;
  --muted:#94a3b8;
  --text:#e5e7eb;
  --accent:#22d3ee;
  --line:#1f2937;

  --ok:#10b981;
  --warn:#f59e0b;

  --wrap:1040px;
  --r:14px;
  --r2:18px;
  --shadow:0 10px 30px rgba(0,0,0,.25);

  /* rythme */
  --section-gap:28px;
  --grid-gap:16px;
}

/* ====== Reset ====== */
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{ margin:0; }
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; }
button,input,textarea{ font:inherit; color:inherit; }
:focus-visible{
  outline:2px solid rgba(34,211,238,.55);
  outline-offset:2px;
  border-radius:10px;
}

/* ====== Background (sans ligne brutale) ====== */
body{
  color:var(--text);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  line-height:1.45;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;

  background:
    radial-gradient(1200px 700px at 20% 10%,
      rgba(34,211,238,.10) 0%,
      rgba(34,211,238,.06) 28%,
      rgba(34,211,238,.02) 52%,
      rgba(34,211,238,0) 78%
    ),
    radial-gradient(900px 600px at 85% 20%,
      rgba(59,130,246,.08) 0%,
      rgba(59,130,246,.04) 32%,
      rgba(59,130,246,.02) 56%,
      rgba(59,130,246,0) 82%
    ),
    linear-gradient(180deg,
      rgba(255,255,255,.020) 0%,
      rgba(255,255,255,.010) 35%,
      rgba(255,255,255,0) 75%
    );
  filter: blur(0.15px);
  transform: translateZ(0);
}

body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:url("/img/noise.png");
  background-repeat:repeat;
  opacity:.04;
  mix-blend-mode:overlay;
}

/* ====== Layout ====== */
.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 16px; }
section{ padding: var(--section-gap) 0; }

.h{ margin:0 0 14px; }
h1,h2,h3{ margin:0; letter-spacing:-.01em; }
h2{ font-size:22px; }

.sub{
  color:var(--muted);
  font-size:13px;
  max-width:760px;
  margin-top:6px;
}

.muted{ color:var(--muted); }

.spacer{ height:18px; }
.spacer-sm{ height:12px; }

/* Texte pleine largeur quand on le veut */
.h.full .sub,
.h.full .lead,
.h.full .checklist{ max-width:none; }

/* ====== Header / Nav ====== */
.top{
  position:sticky;
  top:0;
  z-index:10;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(15,23,42,.78);
  border-bottom:1px solid rgba(31,41,55,.8);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 0;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand img{ width:34px; height:34px; border-radius:10px; }
.brand .muted{ font-size:12px; }

.menu{
  display:none;
  gap:18px;
  align-items:center;
}
.menu a{ color:var(--muted); font-size:14px; }
.menu a:hover{ color:var(--text); }

.burger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 12px;
  border-radius:12px;
  background: rgba(17,24,39,.7);
  border:1px solid var(--line);
  cursor:pointer;
}
@media (min-width: 920px){
  .menu{ display:flex; }
  .burger{ display:none; }
}

/* Mobile dropdown menu */
.menu.is-open{
  display:flex;
  position:absolute;
  right:16px;
  top:62px;
  flex-direction:column;
  gap:10px;
  padding:12px;
  min-width:220px;
  background: rgba(17,24,39,.98);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow: var(--shadow);
}

/* ====== Buttons ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 14px;
  border-radius:14px;
  border:1px solid rgba(34,211,238,.25);
  background: rgba(11,37,48,.62);
  color:var(--text);
  font-weight:600;
  cursor:pointer;
}
.btn:hover{ border-color: rgba(34,211,238,.55); }
.btn.ghost{
  background: transparent;
  border:1px solid rgba(148,163,184,.25);
}
.btn.ghost:hover{ border-color: rgba(148,163,184,.55); }
.btn.small{ padding:10px 12px; border-radius:12px; font-size:14px; }

/* ====== Cards ====== */
.card{
  background: rgba(255,255,255,.04); /* plus clair que 17,24,39 */
  border: 1px solid rgba(148,163,184,.14);
}
.card.pad{ padding:18px; }
.card h3{ margin:0 0 10px; font-size:16px; }
.card p{ margin:0 0 12px; color:var(--muted); }
.shot img{
  box-shadow: inset 0 0 0 1px rgba(148,163,184,.10);
}
.shot{
  background: rgba(255,255,255,.035);
  border: 1px solid rgba(148,163,184,.16);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}

/* ====== Hero ====== */
.hero{ padding: 34px 0 22px; }

.kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 10px;
  border-radius:999px;
  border:1px solid rgba(34,211,238,.22);
  background: rgba(11,37,48,.35);
  color: var(--muted);
  font-size:12px;
  margin-bottom:12px;
}
.accent{ color:var(--accent); }

.hero h1{
  font-size:40px;
  line-height:1.05;
}
@media (min-width: 980px){
  .hero h1{ font-size:52px; }
}

.hero-intro{
  margin:10px 0 18px;
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
  max-width:72ch;
}

.hero-grid{
  display:grid;
  grid-template-columns: 1fr;
  gap:18px;
  align-items:start;
}
@media (min-width: 980px){
  .hero-grid{
    grid-template-columns: 1.05fr .95fr;
    gap:24px;
    align-items:center;
  }
}

.lead{
  margin:16px 0 0;
  color:var(--muted);
  font-size:16px;
  line-height:1.6;
  max-width:56ch;
}

.hero-cta{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* Transition sous hero */
.hero-after{ margin-top: 14px; }

.transition{
  width:100%;
  margin:0 0 10px;
  padding:16px 18px;
  border:1px solid rgba(148,163,184,.18);
  background: rgba(17,24,39,.45);
  border-radius: var(--r2);
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
}

.section-divider{
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(148,163,184,.22), transparent);
  margin-top: 12px;
}

/* ====== Checklist (✓ verts) ====== */
.checklist{
  list-style:none;
  padding:0;
  margin:14px 0 0;
  display:grid;
  gap:10px;
}
.checklist li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:var(--muted);
}
.checklist li::before{
  content:"✔";
  color:var(--ok);
  font-weight:800;
  margin-top:1px;
}

/* ====== Shots / Media cards ====== */
.shot{
  background: rgba(11,18,32,.72);
  border:1px solid #22314a;
  border-radius: var(--r2);
  overflow:hidden;
  box-shadow: var(--shadow);
}
.shot .cap{
  padding:10px 12px;
  border-top:1px solid rgba(31,41,55,.9);
  color:var(--muted);
  font-size:12px;
}
.shot{ margin:0; }

/* ====== Grids ====== */
.grid{ display:grid; gap: var(--grid-gap); }
@media (min-width: 820px){
  .grid.cols-3{ grid-template-columns: repeat(3, 1fr); }
  .grid.cols-4{ grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 819px){
  .grid.cols-3, .grid.cols-4{ grid-template-columns: 1fr; }
}

/* 2 zones (image/texte) */
.grid-2{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  align-items:start;
}
@media (min-width: 980px){
  .grid-2{ grid-template-columns: 1.1fr .9fr; gap: 18px; }
  .grid-2.reverse{ grid-template-columns: .9fr 1.1fr; }
  .grid-2.reverse > :first-child{ order:2; }
  .grid-2.reverse > :last-child{ order:1; }
}

/* 4 zones (galerie) */
.grid-4{
  display:grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
}
@media (min-width: 720px){
  .grid-4{ grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px){
  .grid-4{ grid-template-columns: repeat(4, 1fr); }
}

/* ====== Feature cards ====== */
.feature{ padding:18px; }
.ic{
  width:38px; height:38px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background: rgba(34,211,238,.10);
  border:1px solid rgba(34,211,238,.18);
  font-size:18px;
}
.feature-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.feature-head h3{ margin:0; font-size:16px; }
.feature p{ margin:0; color:var(--muted); font-size:13px; }

/* ====== Steps ====== */
.step{ padding:18px; }
.step .n{
  display:inline-flex;
  width:26px; height:26px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  background: rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.22);
  color: var(--warn);
  font-weight:800;
  font-size:13px;
  margin-bottom:10px;
}
.step h3{ font-size:16px; margin:0 0 6px; }
.step p{ margin:0; color:var(--muted); font-size:13px; }

/* ====== Pricing ====== */
.price{ padding:18px; }
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(148,163,184,.20);
  color:var(--muted);
  font-size:12px;
  margin-bottom:10px;
}
.amount{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.02em;
  margin:6px 0 10px;
}
.small{ font-size:12px; color:var(--muted); }

.price.is-featured{
  border-color: rgba(34,211,238,.35);
}

/* ====== Forms ====== */
.field{ display:grid; gap:8px; margin-top:12px; }
input,textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  background: rgba(11,18,32,.65);
  border:1px solid rgba(31,41,55,.95);
}
textarea{ min-height:110px; resize:vertical; }

.form-grid{ display:grid; gap:12px; }
.form-actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:6px; }

/* ====== Footer ====== */
footer{
  border-top:1px solid rgba(31,41,55,.9);
  padding:18px 0;
  color:var(--muted);
  font-size:13px;
}
/* ====== Aérer les sections à partir de Features/How/Pricing ====== */

/* Espace entre deux sections successives (en plus du padding interne) */
section + section{
  margin-top: 10px;
}

/* Header de section : plus d'air sous le titre */
.h{
  margin-bottom: 20px;
}

/* Sous-titre: plus d'air avant le contenu */
.sub{
  margin-top: 8px;
  margin-bottom: 10px;
}

/* Grilles: un peu plus d'air */
.grid{ gap: 18px; }
.grid.cols-4{ row-gap: 18px; }
.grid.cols-3{ row-gap: 18px; }

/* Pour éviter l'effet “titre collé au bloc précédent” */
#features, #how, #pricing, #contact{
  padding-top: 34px;     /* augmente uniquement sur ces sections */
}
.section-topline{
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(148,163,184,.14), transparent);
  margin: 0 0 18px;
}
.checklist + .grid-4{ margin-top: 18px; }

/* Empêche les débordements horizontaux qui collent au bord */
html, body{ overflow-x: hidden; }

/* Assure un padding mobile suffisant même si un élément déborde */
.wrap{ padding-left: 16px; padding-right: 16px; }
@media (max-width: 480px){
  .wrap{ padding-left: 14px; padding-right: 14px; }
}

/* base z-index + contexte pour position absolute */
.top{ z-index: 999; }
.top .nav{ position: relative; }

/* dropdown au-dessus et bien visible */
.menu.is-open{
  z-index: 1000;
}
@media (max-width: 768px){

  /* HERO : passer en colonne unique */
  .hero-grid{
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* L’image prend toute la largeur */
  .hero-grid .shot{
    width: 100%;
    max-width: none;
    margin: 0 auto;
  }

  .hero-grid .shot img{
    width: 100%;
    height: auto;
  }
}
@media (max-width: 980px){
  /* Hero: image quasi pleine largeur mais avec un léger bord */
  #hero .hero-grid > figure.shot{
    width: calc(100% + 24px);  /* au lieu de +32 */
    margin-left: -12px;        /* au lieu de -16 */
    margin-right: -12px;
    border-radius: 16px;       /* garde un look premium */
    overflow: hidden;
  }

  /* Légende alignée */
  #hero .hero-grid > figure.shot .cap{
    padding-left: 12px;
    padding-right: 12px;
  }
}