/* ==========================================================================
   Heynebo — landing page. Mobile-first, sans dépendance, sans police externe.
   Palette : sunset (pêche/rose/lilas), beige, noir. Effet "liquid glass" discret.
   ========================================================================== */
:root {
  --ink: #111;
  --ink-2: #3d3236;
  --muted: #5f5559;
  --beige: #f6efe6;
  --beige-2: #eee3d5;
  --sun-1: #fdbc82;
  --sun-2: #f5a2b3;
  --sun-3: #cfaaf3;
  --error: #9b1c1c;
  --grad: linear-gradient(165deg, #fdc07f 0%, #fbab98 30%, #f5a2b3 60%, #e2a6df 86%, #cfaaf3 100%);
  --radius: 28px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
  --pad: clamp(20px, 5.5vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  background: var(--beige);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
[hidden] { display: none !important; }

/* Bilingue : un seul jour à la fois */
html[data-lang="fr"] [data-l="en"],
html[data-lang="en"] [data-l="fr"] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 12px; top: -80px; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 12px; text-decoration: none; font-weight: 600;
}
.skip:focus { top: 12px; }

:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 6px; }
.section--dark :focus-visible { outline-color: #fff; }

.container { width: min(100% - 2 * var(--pad), 1120px); margin-inline: auto; }

/* ---------- Verre (liquid glass, subtil) ---------- */
.glass {
  background: linear-gradient(135deg, rgba(255,255,255,.58), rgba(255,255,255,.26));
  border: 1px solid rgba(255,255,255,.72);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.85), 0 14px 34px -16px rgba(120,70,90,.28);
  border-radius: var(--radius);
}
.glass--dark {
  background: linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.05));
  border-color: rgba(255,255,255,.2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22), 0 18px 40px -20px rgba(0,0,0,.6);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass { background: rgba(255,255,255,.78); }
  .glass--dark { background: rgba(40,34,36,.9); }
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 56px; padding: 14px 26px; width: 100%;
  border-radius: 999px; border: 1px solid transparent;
  font: 600 .8125rem/1.3 var(--font); letter-spacing: .07em; text-transform: uppercase; text-align: center; text-decoration: none;
  cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.btn svg { flex: none; width: 18px; height: 18px; }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--ink); color: #fff; box-shadow: 0 12px 26px -12px rgba(17,17,17,.7); }
.btn--primary:hover { background: #2a2224; }
.btn--glass {
  color: var(--ink); background: rgba(255,255,255,.42); border-color: rgba(255,255,255,.8);
  -webkit-backdrop-filter: blur(14px) saturate(140%); backdrop-filter: blur(14px) saturate(140%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.btn--glass:hover { background: rgba(255,255,255,.6); }
.btn--light { background: var(--beige); color: var(--ink); }
.btn--light:hover { background: #fff; }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }

/* ---------- Hero ---------- */
.site-header { position: absolute; z-index: 5; top: 0; left: 0; right: 0; padding-top: env(safe-area-inset-top); }
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  width: min(100% - 2 * var(--pad), 1120px); margin-inline: auto; padding-top: 20px;
}
.hero-shell {
  position: relative; isolation: isolate;
  background: radial-gradient(120% 36% at 50% 100%, rgba(252,172,150,.9), rgba(252,172,150,0) 100%), var(--grad);
  min-height: 100vh; min-height: min(100svh, 780px);
  display: flex; flex-direction: column; justify-content: space-between;
  padding-top: calc(env(safe-area-inset-top) + 84px);
  overflow: hidden;
}
.brand { display: flex; align-items: center; min-height: 44px; border-radius: 6px; }
.brand img { height: 30px; width: auto; }
.lang {
  display: flex; align-items: center; padding: 3px; border-radius: 999px;
  background: rgba(255,255,255,.35); border: 1px solid rgba(255,255,255,.7);
}
.lang button {
  min-width: 46px; min-height: 40px; padding: 0 12px; border: 0; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--ink-2); font: 600 .8125rem var(--font); letter-spacing: .09em;
}
.lang button[aria-pressed="true"] { background: #fff; color: var(--ink); box-shadow: 0 2px 8px -2px rgba(0,0,0,.18); }

.hero__inner { width: min(100% - 2 * var(--pad), 1120px); margin-inline: auto; padding: 20px 0 8px; }
.eyebrow {
  display: inline-block; padding: 8px 16px; border-radius: 20px; text-wrap: balance;
  font-size: .6875rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2);
  background: rgba(255,255,255,.35); border: 1px solid rgba(255,255,255,.7);
}
.hero__title {
  max-width: 15em; margin: 18px 0 14px;
  font-size: clamp(1.85rem, 8.4vw, 3.4rem); line-height: 1.05; letter-spacing: -.02em; font-weight: 700; text-transform: uppercase;
  text-wrap: balance;
}
.hero__sub { max-width: 30em; font-size: clamp(1.0625rem, 4.4vw, 1.3rem); line-height: 1.45; color: var(--ink-2); }
.hero__cta { display: grid; gap: 12px; margin-top: 26px; max-width: 460px; }
.hero__note { margin-top: 16px; max-width: 34em; font-size: .8125rem; line-height: 1.5; color: var(--ink-2); }
.hero__scene {
  width: 100%; max-width: 1000px; margin: 20px auto 0; pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 34%, #000 95%, transparent 100%), linear-gradient(to right, transparent 0, #000 13%, #000 84%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0, #000 34%, #000 95%, transparent 100%), linear-gradient(to right, transparent 0, #000 13%, #000 84%, transparent 100%);
  -webkit-mask-composite: source-in; mask-composite: intersect;
}

/* ---------- Sections ---------- */
.section { padding: 72px 0; }
.section--beige {
  background:
    radial-gradient(60% 45% at 100% 0%, rgba(245,162,179,.28), transparent 70%),
    radial-gradient(55% 45% at 0% 100%, rgba(253,188,130,.30), transparent 70%),
    var(--beige);
}
.section--sand {
  background:
    radial-gradient(55% 45% at 0% 0%, rgba(207,170,243,.25), transparent 70%),
    radial-gradient(60% 45% at 100% 100%, rgba(253,188,130,.28), transparent 70%),
    var(--beige-2);
}
.section--dark {
  color: var(--beige);
  background:
    radial-gradient(60% 50% at 100% 0%, rgba(245,162,179,.30), transparent 70%),
    radial-gradient(60% 50% at 0% 100%, rgba(253,188,130,.22), transparent 70%),
    #111;
}
.kicker { font-size: .75rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.section--dark .kicker { color: rgba(246,239,230,.75); }
.h2 { margin-top: 12px; font-size: clamp(1.7rem, 6.6vw, 2.9rem); line-height: 1.1; letter-spacing: -.02em; font-weight: 700; text-wrap: balance; max-width: 18em; }
.lead { margin-top: 16px; max-width: 36em; font-size: 1.0625rem; color: var(--muted); }
.section--dark .lead { color: rgba(246,239,230,.82); }

/* Étapes */
.steps { display: grid; gap: 16px; margin-top: 36px; }
.step { position: relative; padding: 26px 24px 28px; }
.step__num { display: block; font-size: .8125rem; font-weight: 600; letter-spacing: .16em; color: var(--muted); }
.step h3 { margin-top: 14px; font-size: 1.3rem; line-height: 1.2; letter-spacing: -.01em; }
.step p { margin-top: 10px; color: var(--ink-2); }
.pill {
  display: inline-block; margin-top: 16px; padding: 6px 12px; border-radius: 999px;
  font-size: .6875rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  background: rgba(17,17,17,.9); color: #fff;
}

/* Propriétaires */
.owner { display: grid; gap: 32px; }
.checks { display: grid; gap: 4px; padding: 10px; }
.checks li { display: flex; gap: 14px; align-items: flex-start; padding: 16px 14px; }
.checks svg { flex: none; width: 22px; height: 22px; margin-top: 2px; color: var(--sun-1); }
.owner__cta { margin-top: 28px; max-width: 380px; }
.owner__where { margin-top: 20px; font-size: .9375rem; color: rgba(246,239,230,.75); }

/* Communauté */
.tiles { display: grid; gap: 16px; margin-top: 36px; }
.tile { display: grid; grid-template-columns: 30px 1fr; column-gap: 16px; align-items: start; padding: 20px 22px; }
.tile svg { grid-row: 1 / span 2; width: 30px; height: 30px; color: var(--ink); margin-top: 2px; }
.tile h3 { font-size: 1.125rem; line-height: 1.25; }
.tile p { margin-top: 6px; color: var(--ink-2); font-size: .9375rem; }

/* ---------- Formulaire ---------- */
.section--form { background: var(--grad); }
.form-wrap { display: grid; gap: 28px; }
.form-card { padding: 24px 20px 28px; }
.form-intro { max-width: 32em; margin-top: 16px; font-size: 1.0625rem; color: var(--ink-2); }
form { display: grid; gap: 22px; }
.field, fieldset.field { display: grid; gap: 8px; margin: 0; padding: 0; border: 0; min-width: 0; }
.label, legend.label { padding: 0; font-weight: 600; font-size: .9375rem; line-height: 1.35; }
legend.label { margin-bottom: 10px; }
fieldset.field .hint { margin: -2px 0 10px; }
.req { color: var(--error); font-weight: 700; }
.hint { font-size: .8125rem; line-height: 1.4; color: var(--ink-2); }
input[type="text"], input[type="email"], select, textarea {
  width: 100%; min-height: 52px; padding: 12px 16px; border-radius: 14px;
  border: 1px solid rgba(17,17,17,.32); background: rgba(255,255,255,.92); color: var(--ink);
  font: inherit; font-size: 1rem; /* 16px : évite le zoom automatique sur iPhone */
  -webkit-appearance: none; appearance: none;
}
textarea { min-height: 96px; resize: vertical; }
select {
  padding-right: 44px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }
.is-invalid { border-color: var(--error) !important; box-shadow: 0 0 0 1px var(--error); }
.error { font-size: .875rem; font-weight: 600; color: var(--error); }
.error::before { content: "! "; font-weight: 800; }

.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.choice { position: relative; }
.choice input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.chip {
  display: flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 20px; border-radius: 999px;
  border: 1px solid rgba(17,17,17,.32); background: rgba(255,255,255,.78); font-weight: 600; font-size: .9375rem; line-height: 1.2; text-align: center;
  transition: background-color .15s ease, color .15s ease;
}
.choice input:checked + .chip { background: var(--ink); border-color: var(--ink); color: #fff; }
.choice input:focus-visible + .chip { outline: 3px solid var(--ink); outline-offset: 3px; box-shadow: 0 0 0 6px rgba(255,255,255,.9); }
fieldset.is-invalid .chip { border-color: var(--error); }
fieldset.is-invalid { box-shadow: none; }

.consent { display: flex; gap: 14px; align-items: flex-start; }
.consent input { flex: none; width: 26px; height: 26px; margin: 2px 0 0; accent-color: var(--ink); cursor: pointer; }
.consent label { font-size: .9375rem; line-height: 1.45; }
.consent__link { display: inline-flex; align-items: center; min-height: 44px; margin-left: 40px; font-size: .9375rem; font-weight: 600; }

.alert { margin-bottom: 18px; padding: 16px 18px; border-radius: 16px; background: rgba(255,255,255,.92); border: 1px solid rgba(155,28,28,.5); color: var(--ink); font-size: .9375rem; }
.alert strong { display: block; color: var(--error); margin-bottom: 6px; }
.alert ul { display: grid; gap: 4px; padding-left: 18px; list-style: disc; }
.alert a { color: var(--error); font-weight: 600; }
.fineprint { font-size: .8125rem; line-height: 1.5; color: var(--ink-2); }

.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Pied de page ---------- */
.site-footer { padding: 56px 0 calc(40px + env(safe-area-inset-bottom)); background: var(--beige); border-top: 1px solid rgba(17,17,17,.1); }
.footer__grid { display: grid; gap: 32px; }
.footer__logo { width: 190px; height: auto; }
.footer__tag { margin-top: 12px; max-width: 26em; color: var(--muted); font-size: .9375rem; }
.footer__links { display: grid; gap: 4px; }
.footer__links a { display: inline-flex; align-items: center; min-height: 44px; font-weight: 600; text-decoration: none; border-bottom: 1px solid transparent; width: fit-content; }
.footer__links a:hover { border-bottom-color: currentColor; }
.footer__legal { margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(17,17,17,.1); font-size: .8125rem; color: var(--muted); }

/* ---------- Pages simples (merci / confidentialité) ---------- */
.page-shell { position: relative; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; background: var(--grad); padding-top: env(safe-area-inset-top); }
.page-main { flex: 1; display: grid; align-content: center; padding: calc(env(safe-area-inset-top) + 100px) 0 64px; }
.doc-top { position: relative; background: var(--grad); height: calc(env(safe-area-inset-top) + 88px); }
.page-card { padding: 32px 24px; max-width: 640px; }
.page-card h1 { font-size: clamp(1.9rem, 8vw, 3rem); line-height: 1.08; letter-spacing: -.02em; font-weight: 700; text-wrap: balance; }
.page-card p { margin-top: 16px; font-size: 1.0625rem; color: var(--ink-2); }
.page-card .actions { display: grid; gap: 12px; margin-top: 28px; }
.doc { padding: 56px 0 80px; background: var(--beige); }
.doc .container { max-width: 760px; }
.doc h1 { font-size: clamp(1.9rem, 7.4vw, 2.8rem); line-height: 1.1; letter-spacing: -.02em; }
.doc h2 { margin-top: 36px; font-size: 1.2rem; line-height: 1.3; }
.doc p, .doc li { margin-top: 12px; color: var(--ink-2); }
.doc ul { list-style: disc; padding-left: 22px; }
.doc a { font-weight: 600; }

/* ---------- Écrans plus larges ---------- */
@media (min-width: 640px) {
  .btn { width: auto; }
  .hero__cta { grid-auto-flow: column; grid-auto-columns: max-content; max-width: none; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .tile { display: block; padding: 26px 24px; }
  .tile h3 { margin-top: 16px; }
  .form-card { padding: 36px 36px 40px; }
  .page-card { padding: 44px 40px; }
  .page-card .actions { grid-auto-flow: column; grid-auto-columns: max-content; }
}
@media (min-width: 900px) {
  .section { padding: 104px 0; }
  .hero__inner { padding-top: 48px; }
  .steps { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .owner { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 56px; }
  .tiles { grid-template-columns: repeat(4, 1fr); }
  .form-wrap { grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; }
  .footer__grid { grid-template-columns: 1.4fr 1fr; align-items: start; }
}