/* =========================================================
   Ambinight — page « Commencer » (tarifs, téléchargement, prérequis)
   S'appuie sur les jetons et composants de styles.css
   ========================================================= */
.page-start { background: #050507; }

.btn-outline { border: 1px solid rgba(255, 255, 255, .22); color: #fff; justify-content: center; }
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, .06); transform: translateY(-2px); }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .8); padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .14); background: rgba(255, 255, 255, .04); }
.eyebrow i { width: 7px; height: 7px; border-radius: 50%; background: #3ee88a; box-shadow: 0 0 10px #3ee88a; }

/* ---------- En-tête ---------- */
.s-hero { position: relative; overflow: hidden; padding: 170px 0 110px; text-align: center; }
.s-hero-bg { position: absolute; inset: 0; }
.s-hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 72% 60%; opacity: .75; transform: scale(1.05); }
.s-hero-bg::after { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 75% at 50% 45%, rgba(5, 5, 7, .78), rgba(5, 5, 7, .35) 75%), linear-gradient(180deg, rgba(5, 5, 7, .6), rgba(5, 5, 7, 0) 30%, #050507 100%); }
.s-hero-inner { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; }
.s-hero h1 { margin: 26px 0 20px; font-size: clamp(36px, 5vw, 68px); line-height: 1.04; letter-spacing: -.03em; }
.s-hero p { max-width: 560px; margin: 0; font-size: 17px; color: rgba(255, 255, 255, .78); }
.s-steps { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; padding: 0; margin: 42px 0 0; font-size: 14.5px; color: rgba(255, 255, 255, .85); }
.s-steps li { display: flex; align-items: center; gap: 10px; }
.s-steps b { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; font-size: 13px; font-weight: 600; border: 1px solid rgba(255, 255, 255, .4); }

/* ---------- Sections ---------- */
.s-section { padding: 110px 0; }
.s-head { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.s-head h2 { font-size: clamp(30px, 3.2vw, 46px); }
.s-head p { margin: 16px 0 0; color: var(--muted); font-size: 16.5px; }

/* ---------- Tarifs ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; max-width: 1100px; margin: 0 auto; }
.plan { position: relative; display: flex; flex-direction: column; padding: 34px 30px 32px; border-radius: 22px; background: linear-gradient(180deg, rgba(255, 255, 255, .05), rgba(255, 255, 255, .02)); border: 1px solid rgba(255, 255, 255, .09); transition: transform .5s var(--ease), border-color .4s; }
.plan:hover { transform: translateY(-6px); border-color: rgba(255, 255, 255, .2); }
.plan h3 { margin: 0; font-size: 19px; font-weight: 600; }
.plan-desc { margin: 8px 0 26px; font-size: 14.5px; color: var(--muted); min-height: 42px; }
.price { display: flex; align-items: baseline; gap: 10px; margin-bottom: 26px; }
.price b { font-size: 46px; font-weight: 600; letter-spacing: -.03em; line-height: 1; }
.price span { font-size: 14px; color: var(--muted); }
.plan .btn { width: 100%; justify-content: center; }
.plan-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 13px; font-size: 14.5px; color: rgba(255, 255, 255, .85); }
.plan-list li { display: flex; gap: 11px; align-items: flex-start; }
.plan-list li::before { content: ""; flex-shrink: 0; width: 18px; height: 18px; margin-top: 1px; border-radius: 50%; background: rgba(62, 139, 255, .18) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238fc0ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12.5l4 4 8-9'/%3E%3C/svg%3E") center / 11px no-repeat; }

.plan-featured { background: linear-gradient(180deg, rgba(120, 90, 255, .16), rgba(255, 255, 255, .03) 55%); border-color: transparent; }
.plan-featured::before { content: ""; position: absolute; inset: 0; padding: 1px; border-radius: inherit; background: linear-gradient(140deg, #3ee8ff, #9b6bff 45%, #ff5ce1 75%, #ffa24a); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.plan-featured::after { content: ""; position: absolute; inset: 30% -10% -10%; z-index: -1; background: radial-gradient(closest-side, rgba(155, 107, 255, .35), transparent); filter: blur(40px); }
.plan-badge { position: absolute; top: -13px; left: 30px; padding: 6px 12px; border-radius: 999px; font-size: 12px; font-weight: 600; color: #0b0b10; background: linear-gradient(90deg, #8fe3ff, #d6b8ff); }

.trust { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 36px; padding: 0; margin: 44px 0 0; font-size: 14px; color: rgba(255, 255, 255, .72); }
.trust li { display: flex; align-items: center; gap: 9px; }
.trust svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Téléchargement ---------- */
.s-download { background: radial-gradient(60% 50% at 50% 0%, rgba(62, 139, 255, .08), transparent 70%); }
.platforms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 1100px; margin: 0 auto; }
.platform { display: flex; flex-direction: column; align-items: flex-start; padding: 32px 30px 30px; border-radius: 22px; background: rgba(255, 255, 255, .035); border: 1px solid rgba(255, 255, 255, .08); transition: transform .5s var(--ease), background .4s, border-color .4s; }
.platform:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .06); border-color: rgba(255, 255, 255, .18); }
.pf-logo { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: rgba(255, 255, 255, .07); margin-bottom: 26px; }
.pf-logo svg, .pf-logo img { width: 26px; height: 26px; }
.pf-logo img { filter: invert(1); }
.platform h3 { margin: 0; font-size: 20px; font-weight: 600; }
.platform p { margin: 6px 0 28px; font-size: 14px; color: var(--muted); }
.pf-btn { margin-top: auto; display: inline-flex; align-items: center; gap: 10px; padding: 13px 20px; border-radius: 999px; background: #fff; color: #0b0b10; font-size: 14px; font-weight: 600; white-space: nowrap; transition: box-shadow .4s; }
.pf-btn small { font-weight: 500; color: #6b6b78; font-size: 12px; }
.platform:hover .pf-btn { box-shadow: 0 10px 34px -8px rgba(255, 255, 255, .45); }

/* ---------- Prérequis : le kit en 3D ---------- */
.kit { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; max-width: 1180px; margin: 0 auto; }
.kit-card {
  position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .045), rgba(255, 255, 255, .015));
  border: 1px solid rgba(255, 255, 255, .08);
  transition: border-color .4s, transform .6s var(--ease);
}
.kit-card:hover { border-color: rgba(255, 255, 255, .18); }
.kit-card.kit-photo, .kit-card.kit-app { grid-column: span 3; }
.kit-card.kit-eco { grid-column: span 6; flex-direction: row; align-items: center; justify-content: space-between; gap: 40px; padding: 30px 34px; }
.kit-eco .kit-info { padding: 0; max-width: 560px; }
.kit-eco .eco { grid-template-columns: repeat(3, auto); }

.kit-view {
  position: relative; height: 270px; cursor: grab; touch-action: pan-y;
  background: radial-gradient(60% 70% at 50% 55%, rgba(155, 107, 255, .1), transparent 70%);
}
.kit-view { height: 300px; }
.kit-tv .kit-view, .kit-pack .kit-view { height: 340px; }
/* Photos détourées : relief au survol (variables posées par commencer.js) */
.kit-photo .kit-view { display: grid; place-items: center; perspective: 900px; cursor: default; overflow: hidden; }
.kv-img {
  position: absolute; inset: 0; margin: auto; z-index: 1; max-width: 80%; max-height: 82%; object-fit: contain;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) scale(var(--s, 1));
  transition: transform .6s var(--ease); will-change: transform;
  filter: drop-shadow(0 28px 34px rgba(0, 0, 0, .75));
  animation: kvFloat 7s ease-in-out infinite;
}
.kit-photo.tilting .kv-img { transition-duration: .12s; }
.kv-glow {
  position: absolute; width: 62%; height: 62%; border-radius: 50%; filter: blur(48px); opacity: .5;
  transform: translate(var(--gx, 0px), var(--gy, 0px)); transition: transform .6s var(--ease), opacity .5s;
}
.kit-photo:hover .kv-glow { opacity: .8; }
.kit-photo .kit-view::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; transition: opacity .5s;
  background: radial-gradient(40% 50% at var(--mx, 50%) var(--my, 40%), rgba(255, 255, 255, .12), transparent 70%);
}
.kit-photo:hover .kit-view::after { opacity: 1; }
.kit-tv .kv-img { max-width: 84%; max-height: 90%; }
.kit-tv .kv-glow { width: 70%; height: 80%; background: conic-gradient(from 200deg, #22d3ee, #8b5cf6, #ec4899, #f97316, #22d3ee); opacity: .55; }
.kit-pack .kv-img { max-width: 84%; max-height: 90%; }
.kit-pack .kv-glow { width: 70%; height: 75%; background: conic-gradient(from 90deg, #ec4899, #8b5cf6, #22d3ee, #f97316, #ec4899); }
.kit-bulb .kv-img { max-height: 86%; }
.kit-bulb .kv-glow { width: 50%; height: 55%; background: #b26bff; opacity: .6; }
@keyframes kvFloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -8px; } }

.kit-info { padding: 4px 26px 26px; }
.kit-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.kit-num { font-size: 12.5px; font-weight: 600; letter-spacing: .08em; color: rgba(255, 255, 255, .45); margin-right: 4px; }
.kit-tag, .kit-link { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; }
.tag-own { background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .85); }
.tag-need { background: rgba(62, 139, 255, .16); color: #9cc6ff; }
.tag-core { background: linear-gradient(90deg, rgba(62, 232, 255, .2), rgba(255, 92, 225, .2)); color: #fff; }
.tag-opt { background: rgba(62, 232, 138, .13); color: #8ff0b8; }
.kit-link { border: 1px solid rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .78); }
.kit-link img, .kit-link svg { width: 11px; height: 11px; }
.kit-info h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.kit-appicon { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 4px 16px -4px rgba(155, 107, 255, .7); }
.kit-info p { margin: 0; font-size: 14.5px; color: rgba(255, 255, 255, .72); }
.kit-info .req-logos { margin-top: 16px; }
.kit-hint-line { max-width: 760px; margin: 26px auto 0; text-align: center; font-size: 11.5px; line-height: 1.5; color: rgba(255, 255, 255, .35); }

.tags { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.tags li { padding: 6px 12px; border-radius: 999px; font-size: 12.5px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); }
.req-logos { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.eco { list-style: none; display: grid; gap: 10px; padding: 0; margin: 0; }
.eco li { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 12px; font-size: 14px; background: rgba(255, 255, 255, .05); }
.eco svg, .eco img { width: 20px; height: 20px; }
.eco img { filter: invert(1); }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; }
.faq details { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.faq summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; font-size: 17px; font-weight: 500; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 24px; font-weight: 300; color: var(--muted); transition: transform .35s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 22px; color: rgba(255, 255, 255, .75); font-size: 15.5px; max-width: 640px; }

/* ---------- CTA final + pied de page ---------- */
.s-final { padding: 40px 0 120px; }
.s-final-inner { text-align: center; padding: 70px 24px; border-radius: 28px; background: radial-gradient(80% 120% at 50% 0%, rgba(155, 107, 255, .25), transparent 60%), rgba(255, 255, 255, .03); border: 1px solid rgba(255, 255, 255, .08); }
.s-final h2 { font-size: clamp(30px, 3.2vw, 46px); }
.s-final p { margin: 14px 0 32px; color: var(--muted); font-size: 16.5px; }
.s-footer { padding: 30px 0 40px; border-top: 1px solid rgba(255, 255, 255, .07); }
.s-footer .wrap { display: flex; justify-content: space-between; align-items: center; font-size: 13.5px; color: var(--muted); }
.s-footer .logo { font-size: 17px; color: #fff; }

/* ---------- Fenêtre de commande ---------- */
.checkout { position: relative; width: min(440px, 100%); padding: 34px 30px 28px; border-radius: 24px; background: #101015; border: 1px solid rgba(255, 255, 255, .1); box-shadow: 0 40px 100px rgba(0, 0, 0, .7); transform: scale(.96); transition: transform .5s var(--ease); }
.modal.open .checkout { transform: none; }
.checkout .modal-close { top: 16px; right: 16px; }
.checkout h3 { margin: 18px 0 20px; font-size: 24px; font-weight: 600; }
.co-row { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0; border-top: 1px solid rgba(255, 255, 255, .08); border-bottom: 1px solid rgba(255, 255, 255, .08); font-size: 14.5px; color: var(--muted); }
.co-row b { font-size: 22px; color: #fff; font-weight: 600; }
.co-field { display: grid; gap: 8px; margin: 22px 0 18px; font-size: 13.5px; color: rgba(255, 255, 255, .8); }
.co-field input { font: inherit; font-size: 15px; color: #fff; padding: 13px 14px; border-radius: 12px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14); outline: none; transition: border-color .3s; }
.co-field input:focus { border-color: #8fc0ff; }
.co-field input.err { border-color: #ff6a6a; }
.co-pay { width: 100%; justify-content: center; }
.co-note { margin: 14px 0 0; font-size: 12.5px; color: var(--muted); text-align: center; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .plans, .platforms { grid-template-columns: 1fr; max-width: 520px; }
  .kit { grid-template-columns: repeat(2, 1fr); }
  .kit-card.kit-photo, .kit-card.kit-app { grid-column: span 1; }
  .kit-card.kit-eco { grid-column: span 2; }
  .kit-card.kit-eco { flex-direction: column; align-items: flex-start; }
  .plan-featured { order: -1; }
}
@media (max-width: 720px) {
  .s-hero { padding: 130px 0 70px; }
  .s-section { padding: 80px 0; }
  .s-footer .wrap { flex-direction: column; gap: 12px; }
  .kit { grid-template-columns: 1fr; }
  .kit-card.kit-photo, .kit-card.kit-app, .kit-card.kit-eco { grid-column: span 1; }
  .kit-tv .kit-view, .kit-view { height: 240px; }
  .kit-eco .eco { grid-template-columns: 1fr; }
}

/* ---------- Carte application (pas de boîtier) ---------- */

.kit-app-view { display: grid; place-items: center; cursor: default; perspective: 900px; }
.app-icon-big { position: relative; width: 150px; height: 150px; border-radius: 34px; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .08); animation: appFloat 6s ease-in-out infinite; transition: transform .5s var(--ease); }
.kit-app:hover .app-icon-big { transform: rotateX(8deg) rotateY(-12deg) scale(1.04); }
.app-halo { position: absolute; width: 260px; height: 260px; border-radius: 50%; background: conic-gradient(from 0deg, #22d3ee, #8b5cf6, #ec4899, #f97316, #22d3ee); filter: blur(60px); opacity: .45; animation: appSpin 10s linear infinite; }
@keyframes appFloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -10px; } }
@keyframes appSpin { to { transform: rotate(360deg); } }

/* écosystèmes : disponible / bientôt */
.eco li em { margin-left: auto; padding-left: 14px; font-style: normal; font-size: 11.5px; font-weight: 600; }
.eco-on em { color: #8ff0b8; }
.eco-soon { opacity: .6; }
.eco-soon em { color: rgba(255, 255, 255, .6); }

/* carte application : capture de l'app + icône en badge */
.kit-app .kit-view { height: 300px; }
.app-shot { position: relative; width: auto; max-width: 82%; max-height: 80%; border-radius: 10px; box-shadow: 0 24px 50px -16px rgba(0, 0, 0, .85), 0 0 0 1px rgba(255, 255, 255, .15); transform: perspective(900px) rotateX(10deg); transition: transform .6s var(--ease); }
.kit-app:hover .app-shot { transform: perspective(900px) rotateX(0deg) scale(1.03); }
.kit-app .app-icon-big { position: absolute; right: 7%; bottom: 10%; width: 64px; height: 64px; border-radius: 15px; }