:root {
  --night: #0b1426;
  --night-2: #13213d;
  --ivory: #f6f1e7;
  --ivory-2: #fffdf7;
  --ink: #1d2433;
  --muted: #6b6455;
  --muted-light: #b9b2a2;
  --gold: #c9a35b;
  --gold-light: #f3dfa8;
  --gold-deep: #9c7a3c;
  --dawn: #fbe9d7;
  --sea: #1f5f74;
  --sea-light: #2b7a8f;
  --line: rgba(201, 163, 91, 0.35);
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; overflow: hidden; background: var(--night); color: var(--ink); font: 16px/1.65 var(--sans); }
a { color: inherit; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }
h1 em, h2 em { font-style: italic; font-weight: 500; color: var(--gold); }
h2 { font-size: clamp(32px, 5.2vw, 56px); line-height: 1.08; margin: 0 0 32px; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; position: relative; z-index: 2; }
.center { text-align: center; }

/* ---------- Diapositives : une section = un écran, comme une présentation ---------- */
.slide {
  position: fixed; inset: 0; overflow-x: hidden; overflow-y: auto;
  display: flex; flex-direction: column; padding: 92px 0 56px;
  visibility: hidden; z-index: 1; overscroll-behavior: contain;
}
.slide.active { visibility: visible; z-index: 2; }
.slide.incoming { visibility: visible; z-index: 3; }
.slide.under { visibility: visible; z-index: 1; }
.slide.leaving { z-index: 3; }
.slide-inner { margin: auto; width: 100%; position: relative; z-index: 2; }

/* ---------- Barre de progression, navigation, points ---------- */
.journey { position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 60; }
.journey span { display: block; height: 100%; width: calc(var(--page, 0) * 100%); background: linear-gradient(90deg, var(--gold-deep), var(--gold-light)); transition: width 1.2s cubic-bezier(.6, 0, .3, 1); }
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; color: var(--ivory); background: linear-gradient(180deg, rgba(11, 20, 38, .75), transparent); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--serif); font-size: 26px; font-weight: 600; }
.brand img { border-radius: 9px; }
.brand.small { font-size: 20px; margin: 0; }
.nav nav { display: flex; gap: 22px; align-items: center; font-size: 15px; }
.nav nav a { text-decoration: none; }
.nav-cta { border: 1px solid var(--gold); border-radius: 999px; padding: 6px 16px; color: var(--gold-light); background: rgba(11, 20, 38, .4); }
.dots { position: fixed; right: 18px; top: 50%; translate: 0 -50%; z-index: 50; display: flex; flex-direction: column; gap: 12px; }
.dots button { width: 10px; height: 10px; padding: 0; border-radius: 50%; border: 1px solid var(--gold); background: transparent; cursor: pointer; transition: transform .3s, background .3s; }
.dots button.on { background: var(--gold); transform: scale(1.35); }

/* ---------- Boutons & textes ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 26px; border-radius: 999px; font: 600 15px var(--sans); letter-spacing: .02em; text-decoration: none; cursor: pointer; border: 1px solid transparent; transition: transform .2s, box-shadow .2s, background .2s; }
.btn.gold { background: linear-gradient(135deg, var(--gold-light), var(--gold) 55%, var(--gold-deep)); color: var(--night); box-shadow: 0 10px 30px -10px rgba(201, 163, 91, .7); }
.btn.gold:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(201, 163, 91, .9); }
.btn.line { border-color: var(--gold); color: var(--gold-light); background: transparent; }
.btn.line:hover { background: rgba(201, 163, 91, .12); }
.btn[aria-disabled="true"] { opacity: .65; pointer-events: none; }
.btn:disabled { opacity: .5; cursor: default; transform: none; }
.eyebrow { text-transform: uppercase; letter-spacing: .28em; font-size: 12px; font-weight: 600; color: var(--gold); margin: 0 0 14px; }
.eyebrow.dark { color: var(--gold-deep); }
.lead { font-size: 18px; color: var(--muted-light); max-width: 600px; }
.lead.dark { color: var(--muted); }
.note { font-size: 13px; color: var(--muted-light); letter-spacing: .04em; }
.note.dark { color: var(--muted); }
.tiny { font-size: 12px; opacity: .7; }

.stars { position: absolute; inset: 0; pointer-events: none; background-image:
  radial-gradient(1.2px 1.2px at 12% 18%, #fff 60%, transparent), radial-gradient(1px 1px at 28% 8%, #fff 60%, transparent),
  radial-gradient(1.4px 1.4px at 46% 22%, #fff 60%, transparent), radial-gradient(1px 1px at 63% 12%, #fff 60%, transparent),
  radial-gradient(1.3px 1.3px at 82% 26%, #fff 60%, transparent), radial-gradient(1px 1px at 91% 6%, #fff 60%, transparent),
  radial-gradient(1px 1px at 6% 40%, #fff 60%, transparent), radial-gradient(1.2px 1.2px at 38% 44%, #fff 60%, transparent),
  radial-gradient(1px 1px at 74% 40%, #fff 60%, transparent), radial-gradient(1.1px 1.1px at 55% 64%, #fff 60%, transparent),
  radial-gradient(1px 1px at 18% 70%, #fff 60%, transparent), radial-gradient(1.2px 1.2px at 88% 72%, #fff 60%, transparent);
  animation: twinkle 5s ease-in-out infinite alternate; }
@keyframes twinkle { from { opacity: .45; } to { opacity: 1; } }

/* ---------- 1. Accueil ---------- */
.hero { color: var(--ivory); background: var(--night); text-align: center; }
.sky { position: absolute; inset: 0; background:
  radial-gradient(120% 80% at 70% 110%, #f2b880 0%, #c9746b 18%, #5a3d6b 38%, transparent 62%),
  linear-gradient(180deg, #060c19 0%, var(--night) 45%, #1c2547 100%); }
.cloud { position: absolute; border-radius: 50%; background: radial-gradient(closest-side, rgba(255, 240, 230, .35), transparent); filter: blur(6px); animation: drift 40s linear infinite alternate; }
.cloud.c1 { width: 520px; height: 120px; left: -80px; top: 66%; }
.cloud.c2 { width: 420px; height: 90px; right: -60px; top: 52%; animation-duration: 55s; }
.cloud.c3 { width: 300px; height: 70px; left: 40%; top: 78%; animation-duration: 30s; }
@keyframes drift { to { transform: translateX(120px); } }
.horizon { position: absolute; left: 0; right: 0; bottom: 0; height: 160px; background: linear-gradient(180deg, transparent, rgba(11, 20, 38, .8)); }
.hero-content { max-width: 780px; padding: 0 16px; }
.hero h1 { font-size: clamp(44px, 8.5vw, 92px); line-height: 1.02; margin: 0 0 22px; }
.hero .lead { margin: 0 auto 30px; }
.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.scroll-hint { position: absolute; bottom: 26px; left: 50%; translate: -50% 0; width: 26px; height: 42px; border: 1.5px solid var(--gold); border-radius: 14px; z-index: 3; background: transparent; cursor: pointer; padding: 0; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--gold-light); animation: scrollhint 1.8s ease-in-out infinite; }
@keyframes scrollhint { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }

/* ---------- 2. Comment ---------- */
.how { background: radial-gradient(90% 70% at 30% 20%, #fffaf0, var(--ivory)); }
.how h2, .try h2, .stay h2 { color: var(--night); }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.steps li { background: var(--ivory-2); border: 1px solid var(--line); border-radius: 22px; padding: 28px 26px; box-shadow: 0 20px 40px -30px rgba(11, 20, 38, .35); }
.steps .num { font-family: var(--serif); font-size: 34px; color: var(--gold); }
.steps h3 { font-size: 26px; margin: 6px 0 8px; color: var(--night); }
.steps p { margin: 0; color: var(--muted); }

/* ---------- 3. Atouts ---------- */
.perks { background: linear-gradient(180deg, #060c19, var(--night)); color: var(--ivory); }
.perk-grid { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.perk { border: 1px solid var(--line); border-radius: 22px; padding: 28px; background: rgba(255, 253, 247, .03); }
.perk-icon { font-size: 30px; color: var(--gold); }
.perk h3 { font-size: 26px; margin: 8px 0; color: var(--gold-light); }
.perk p { margin: 0; color: var(--muted-light); }

/* ---------- 4. Chat ---------- */
.try { background: radial-gradient(80% 60% at 50% 0%, #fffaf0, var(--ivory)); }
.try .wrap { text-align: center; }
.try h2 { margin-bottom: 20px; }
.chat-card { text-align: left; max-width: 720px; margin: 0 auto; background: var(--ivory-2); border: 1px solid var(--line); border-radius: 28px; overflow: hidden; display: flex; flex-direction: column; height: clamp(360px, calc(100vh - 330px), 620px); height: clamp(360px, calc(100svh - 330px), 620px); box-shadow: 0 40px 80px -40px rgba(11, 20, 38, .45); }
.chat-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; background: var(--night); color: var(--ivory); }
.credits { font-size: 12px; letter-spacing: .06em; color: var(--gold-light); border: 1px solid var(--gold); border-radius: 999px; padding: 3px 12px; }
.chat { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 12px; background: linear-gradient(180deg, #fbf7ee, var(--ivory)); overscroll-behavior: contain; }
.msg { border-radius: 18px; padding: 12px 16px; max-width: 88%; font-size: 15px; overflow-wrap: anywhere; }
.msg.agent { background: var(--ivory-2); border: 1px solid var(--line); align-self: flex-start; border-top-left-radius: 6px; }
.msg.user { background: var(--night); color: var(--ivory); align-self: flex-end; white-space: pre-wrap; border-top-right-radius: 6px; }
.msg.error { border: 1px solid #b42318; color: #b42318; background: var(--ivory-2); }
.msg h3, .msg h4 { font-family: var(--sans); font-size: 15px; margin: 10px 0 4px; color: var(--night); }
.msg p { margin: 0 0 8px; }
.msg ul, .msg ol { margin: 0 0 8px; padding-left: 20px; }
.status { font-size: 13px; color: var(--gold-deep); margin: 0; font-style: italic; }
.suggestions { display: flex; flex-wrap: wrap; gap: 8px; }
.suggestions button, .dest button { font: 500 14px var(--sans); border: 1px solid var(--line); background: var(--ivory-2); color: var(--ink); border-radius: 999px; padding: 8px 14px; cursor: pointer; transition: border-color .2s, transform .2s, background .2s; }
.suggestions button:hover, .dest button:hover { border-color: var(--gold); transform: translateY(-1px); }
.credits { font-family: var(--sans); background: transparent; cursor: pointer; }
.credits:hover, .credits.premium { background: rgba(201, 163, 91, .18); }
/* Offre Premium : remplace la conversation tant qu'elle est ouverte */
.chat-card.pw-open .chat, .composer[hidden] { display: none; }
.paywall { flex: 1; overflow-y: auto; padding: 18px 20px; text-align: center; background: linear-gradient(180deg, #fbf7ee, var(--ivory)); overscroll-behavior: contain; }
.pw-title { margin: 0 0 12px; font-weight: 600; color: var(--night); }
.pw-close { float: right; border: 0; background: none; font-size: 20px; line-height: 1; cursor: pointer; color: var(--muted); }
.offer-card { max-width: 420px; margin: 0 auto; padding: 20px; border: 1px solid var(--gold); border-radius: 22px; background: var(--ivory-2); box-shadow: 0 20px 40px -26px rgba(11, 20, 38, .5); }
.offer-name { font: 600 26px var(--serif); color: var(--night); }
.offer-price { margin: 2px 0 10px; font: 600 30px var(--serif); color: var(--gold-deep); }
.offer-price small { font: 500 14px var(--sans); color: var(--muted); }
.offer-list { list-style: none; margin: 0 0 14px; padding: 0; font-size: 14px; color: var(--ink); }
.offer-list li::before { content: "✓ "; color: var(--gold-deep); font-weight: 700; }
.buy { display: flex; flex-direction: column; gap: 8px; }
.buy input { font: inherit; font-size: 15px; padding: 11px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--ivory); color: var(--ink); }
.buy input:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.pw-msg { margin: 8px 0 0; min-height: 1em; font-size: 13px; color: var(--muted); }
.pw-msg.err { color: #b42318; }
.restore { max-width: 420px; margin: 12px auto 0; font-size: 14px; color: var(--muted); }
.restore summary { cursor: pointer; }
.restore .buy { margin-top: 8px; }
.btn.ghost { border-color: var(--gold); color: var(--night); background: transparent; }
.composer { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--line); background: var(--ivory-2); }
.composer textarea { flex: 1; resize: none; font: inherit; padding: 12px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--ivory); color: var(--ink); max-height: 120px; }
.composer textarea:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.send { padding: 0 20px; }

/* ---------- 5. Inspirations ---------- */
.city { background: linear-gradient(180deg, var(--night-2), var(--night)); color: var(--ivory); }
.city .lead { margin: -16px 0 26px; }
.dest { display: flex; flex-wrap: wrap; gap: 10px; }
.dest button { background: rgba(11, 20, 38, .5); color: var(--ivory); border-color: var(--line); font-size: 16px; padding: 12px 20px; }
.dest button:hover { background: rgba(201, 163, 91, .18); }
.skyline { position: absolute; left: 0; right: 0; bottom: 60px; height: 34vh; opacity: .35; pointer-events: none;
  background:
    linear-gradient(var(--gold-deep), var(--gold-deep)) 4% 100% / 5% 50% no-repeat, linear-gradient(var(--gold-deep), var(--gold-deep)) 10% 100% / 4% 80% no-repeat,
    linear-gradient(var(--gold-deep), var(--gold-deep)) 17% 100% / 6% 38% no-repeat, linear-gradient(var(--gold-deep), var(--gold-deep)) 27% 100% / 3% 100% no-repeat,
    linear-gradient(var(--gold-deep), var(--gold-deep)) 33% 100% / 7% 48% no-repeat, linear-gradient(var(--gold-deep), var(--gold-deep)) 45% 100% / 4% 72% no-repeat,
    linear-gradient(var(--gold-deep), var(--gold-deep)) 53% 100% / 6% 36% no-repeat, linear-gradient(var(--gold-deep), var(--gold-deep)) 63% 100% / 3% 88% no-repeat,
    linear-gradient(var(--gold-deep), var(--gold-deep)) 70% 100% / 8% 44% no-repeat, linear-gradient(var(--gold-deep), var(--gold-deep)) 82% 100% / 4% 66% no-repeat,
    linear-gradient(var(--gold-deep), var(--gold-deep)) 90% 100% / 6% 54% no-repeat; }
.road { position: absolute; left: 0; right: 0; bottom: 0; height: 60px; background: #070d1a; border-top: 2px solid var(--gold); pointer-events: none;
  background-image: repeating-linear-gradient(90deg, var(--gold-light) 0 40px, transparent 40px 90px); background-size: 100% 3px; background-position: 0 50%; background-repeat: repeat-x; }

/* ---------- 6. Séjour ---------- */
.stay { background: linear-gradient(180deg, #f6c9a0 0%, var(--dawn) 35%, var(--ivory) 100%); }
.stay-grid { display: grid; gap: 40px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: center; }
.villa { width: 100%; max-width: 460px; height: auto; aspect-ratio: 320 / 170; justify-self: center; filter: drop-shadow(0 30px 30px rgba(11, 20, 38, .2)); }
.villa .glow rect { animation: glow 3s ease-in-out infinite alternate; }
@keyframes glow { from { opacity: .55; } to { opacity: 1; } }

/* ---------- 7. Extension + pied de page (la mer) ---------- */
.sea { background: linear-gradient(180deg, var(--sea-light) 0%, var(--sea) 60%, #143f4e 100%); color: var(--ivory); }
.ext-card { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; background: rgba(11, 20, 38, .88); border-radius: 28px; padding: 44px; border: 1px solid var(--line); }
.ext-card h2 { font-size: clamp(30px, 4.5vw, 46px); margin: 0 0 8px; }
.ext-card .lead { margin: 0; }
.foot { text-align: center; margin-top: 48px; }
.foot p { margin: 6px 0; }
.foot .brand { justify-content: center; }
.foot a { color: var(--gold-light); }

/* ---------- Contenu qui entre en scène après la transition ---------- */
.slide .slide-inner > * { transition: opacity .7s ease, transform .7s ease; }
.slide:not(.active) .slide-inner > * { opacity: 0; transform: translateY(24px); }
.slide.active .slide-inner > :nth-child(2) { transition-delay: .08s; }
.slide.active .slide-inner > :nth-child(3) { transition-delay: .16s; }
.slide.active .slide-inner > :nth-child(4) { transition-delay: .24s; }

/* ---------- Les engins (calque au-dessus des diapositives) ---------- */
.tx-overlay { position: fixed; inset: 0; z-index: 30; pointer-events: none; overflow: hidden; }
.v { position: absolute; left: 0; top: 0; display: none; will-change: transform; filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .3)); }
.v.show { display: block; }
.v svg { display: block; width: 100%; height: 100%; }
.v.flip svg { transform: scaleX(-1); }
.v-plane { width: clamp(300px, 58vw, 900px); aspect-ratio: 3 / 1; }
/* Le vin */
.v-bottle { --bw: min(40vw, 340px); width: var(--bw); aspect-ratio: 230 / 126; left: calc(50vw - var(--bw) * 0.183); top: calc(26vh - var(--bw) * 0.466); filter: drop-shadow(0 20px 26px rgba(0, 0, 0, .35)); }
.v-stream { left: calc(50vw - 3px); top: 26vh; width: 6px; height: 40vh; filter: none; border-radius: 3px;
  background: linear-gradient(90deg, #4a0f1d, #a7334a 45%, #4a0f1d);
  box-shadow: 0 0 10px rgba(167, 51, 74, .45); }
.v-drop { left: calc(50vw - 5px); top: 26vh; width: 10px; height: 14px; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; background: radial-gradient(circle at 35% 35%, #c2455c, #5a1222); filter: none; }
.v-glass { height: 30vh; aspect-ratio: 100 / 200; top: auto; bottom: 5vh; left: calc(50vw - 7.5vh); filter: drop-shadow(0 18px 24px rgba(0, 0, 0, .35)); }
.v-glass .wine-fill { transform-box: fill-box; transform-origin: bottom; }
/* Ondes : cercles de taille fixe agrandis par transform (léger pour les téléphones) */
.v-ripple { left: 50vw; top: 72vh; width: 100vmax; height: 100vmax; translate: -50% -50%; border-radius: 50%; filter: none;
  transform: scale(0); will-change: transform; border: 1.5px solid rgba(232, 207, 148, .9); box-shadow: 0 0 0 4px rgba(109, 26, 44, .35); }
.v-ripple.r2 { border-color: rgba(232, 207, 148, .55); box-shadow: none; }
.v-ripple.r3 { border-color: rgba(232, 207, 148, .35); box-shadow: none; }

/* Le dîner */
.v-plate { --pw: clamp(260px, 40vw, 560px); width: var(--pw); aspect-ratio: 260 / 150; }
.v-plate.steak { left: calc(50vw - var(--pw) / 2); top: calc(60vh - var(--pw) * 0.29); }
.v-plate.fruit { --pw: clamp(180px, 26vw, 360px); left: calc(74vw - var(--pw) / 2); top: calc(34vh - var(--pw) * 0.29); }
.v-cloche { --pw: clamp(260px, 40vw, 560px); width: calc(var(--pw) * 0.74); aspect-ratio: 200 / 130; left: calc(50vw - var(--pw) * 0.37); top: calc(60vh - var(--pw) * 0.43); filter: drop-shadow(0 26px 30px rgba(0, 0, 0, .35)); }
.v-glow { left: 50vw; top: 60vh; width: 90vmin; height: 90vmin; translate: -50% -50%; border-radius: 50%; filter: none;
  background: radial-gradient(closest-side, rgba(255, 236, 190, .95), rgba(243, 223, 168, .45) 45%, transparent 75%); }
.v-ring { left: 50vw; top: 60vh; width: 100vmax; height: 100vmax; translate: -50% -50%; border-radius: 50%; filter: none;
  transform: scale(0); will-change: transform; border: 1.5px solid #e8cf94; box-shadow: 0 0 0 4px rgba(201, 163, 91, .25); }

/* La plage */
.v-surf { left: 0; right: 0; width: auto; height: 70vh; filter: none;
  -webkit-mask-image: linear-gradient(180deg, #000 45%, transparent 100%); mask-image: linear-gradient(180deg, #000 45%, transparent 100%); }
.v-surf .w, .v-surf .foam { position: absolute; left: 0; right: 0; bottom: 0; }
.v-surf .w { background-repeat: repeat-x, no-repeat; }
.v-surf .w1 { top: 0; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 200' preserveAspectRatio='none'%3E%3Cpath d='M0 34 C100 4 200 4 300 34 C400 64 500 64 600 34 V200 H0 Z' fill='%231b7f91' fill-opacity='.95'/%3E%3C/svg%3E"), linear-gradient(#1b7f91, #1b7f91); background-size: 560px 120px, 100% calc(100% - 116px); background-position: 0 0, 0 116px; animation: surf1 10s linear infinite; }
.v-surf .w2 { top: 22px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 200' preserveAspectRatio='none'%3E%3Cpath d='M0 34 C100 4 200 4 300 34 C400 64 500 64 600 34 V200 H0 Z' fill='%233bb3c1' fill-opacity='.9'/%3E%3C/svg%3E"), linear-gradient(rgba(59, 179, 193, .92), rgba(59, 179, 193, .92)); background-size: 420px 104px, 100% calc(100% - 100px); background-position: 0 0, 0 100px; animation: surf2 7s linear infinite; }
.v-surf .w3 { top: 46px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 200' preserveAspectRatio='none'%3E%3Cpath d='M0 34 C100 4 200 4 300 34 C400 64 500 64 600 34 V200 H0 Z' fill='%2385dfe4' fill-opacity='.88'/%3E%3C/svg%3E"), linear-gradient(rgba(133, 223, 228, .9), rgba(38, 150, 166, .92)); background-size: 330px 92px, 100% calc(100% - 88px); background-position: 0 0, 0 88px; animation: surf3 4.8s linear infinite; }
.v-surf .foam { top: 46px; bottom: auto; height: 92px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 200' preserveAspectRatio='none'%3E%3Cpath d='M0 34 C100 4 200 4 300 34 C400 64 500 64 600 34' fill='none' stroke='white' stroke-width='9' stroke-linecap='round'/%3E%3Cpath d='M0 46 C100 18 200 18 300 46 C400 74 500 74 600 46' fill='none' stroke='white' stroke-opacity='.45' stroke-width='4' stroke-dasharray='2 14' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: repeat-x; background-size: 330px 92px; animation: foam 4.8s linear infinite; filter: blur(.5px); }
@keyframes surf1 { from { background-position: 0 0, 0 116px; } to { background-position: 560px 0, 0 116px; } }
@keyframes surf2 { from { background-position: 420px 0, 0 100px; } to { background-position: 0 0, 0 100px; } }
@keyframes surf3 { from { background-position: 0 0, 0 88px; } to { background-position: 330px 0, 0 88px; } }
@keyframes foam { from { background-position: 0 0; } to { background-position: 330px 0; } }
.v-starfish { width: clamp(52px, 8vh, 90px); aspect-ratio: 1; }
.v-balloon { height: clamp(140px, 30vh, 300px); aspect-ratio: 90 / 140; }
.v-balloon.b2 { height: clamp(90px, 18vh, 190px); }
.v-balloon.b3 { height: clamp(120px, 24vh, 250px); }
.v-yacht { width: clamp(240px, 34vw, 480px); aspect-ratio: 260 / 130; }
.v-waves { left: -100px; right: -100px; width: auto; height: 28px; filter: none;
  background: radial-gradient(30px 13px at 30px 100%, var(--sea-light) 98%, transparent 100%) 0 0 / 60px 28px repeat-x; }
.rotor { transform-box: fill-box; transform-origin: center; animation: rotor .16s linear infinite; }
@keyframes rotor { 0%, 100% { transform: scaleX(1); } 50% { transform: scaleX(.1); } }
.tail-rotor { transform-box: fill-box; transform-origin: center; animation: spin .3s linear infinite; stroke-dasharray: 10 6; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .nav { padding: 12px 16px; }
  .nav nav a:not(.nav-cta) { display: none; }
  .dots { display: none; }
  .ext-card { padding: 28px 22px; }
  h2 { margin-bottom: 22px; }
  .steps, .perk-grid { gap: 14px; }
  .steps li, .perk { padding: 18px 20px; }
  .steps h3, .perk h3 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}
.buy .btn { padding: 13px 16px; }