/* Heaven House · приглашение
   Мобильный лендинг: экраны переключаются свайпом или кнопкой «Дальше» */

:root{
  --bg:#08110f;
  --bg-2:#0d1c19;
  --gold:#d9b382;
  --gold-soft:#f0dcc0;
  --text:#f4ede3;
  --muted:rgba(244,237,227,.60);
  --line:rgba(217,179,130,.22);
  --sans:'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --serif:'Cormorant Garamond', 'Times New Roman', Georgia, serif;
  --pad-top:calc(env(safe-area-inset-top, 0px) + 62px);
  --pad-bot:calc(env(safe-area-inset-bottom, 0px) + 104px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
[hidden]{display:none !important}

html,body{height:100%;margin:0}
body.no-nav{--pad-bot:calc(env(safe-area-inset-bottom, 0px) + 44px)}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-weight:300;
  font-size:16px;
  line-height:1.6;
  overflow:hidden;
  overscroll-behavior:none;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* фон: звёзды + мягкое свечение */
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(120% 70% at 50% -10%, rgba(217,179,130,.10), transparent 60%),
    radial-gradient(90% 60% at 50% 110%, rgba(13,44,41,.85), transparent 65%),
    linear-gradient(180deg,#08110f 0%,#0a1614 55%,#08110f 100%);
}
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.30;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.5'/></svg>");
}

/* ── верхняя панель ───────────────────────────────── */
.topbar{
  position:fixed;z-index:40;left:0;right:0;top:0;
  padding:calc(env(safe-area-inset-top, 0px) + 14px) 18px 10px;
  display:flex;align-items:center;gap:14px;
}
.icon-btn{
  flex:0 0 auto;width:34px;height:34px;padding:7px;border:0;border-radius:50%;
  background:rgba(244,237,227,.06);color:var(--gold);cursor:pointer;
  transition:opacity .3s, background .3s;
}
.icon-btn svg{width:100%;height:100%;display:block}
.icon-btn[hidden]{display:none}
.icon-btn:active{background:rgba(244,237,227,.14)}
#sound{margin-left:auto}
#sound .ic-on{display:none}
#sound[aria-pressed="true"] .ic-off{display:none}
#sound[aria-pressed="true"] .ic-on{display:block}

.dots{flex:1 1 auto;display:flex;gap:6px;align-items:center;justify-content:center}
.dots i{
  display:block;height:2px;flex:1 1 0;max-width:34px;border-radius:2px;
  background:rgba(244,237,227,.16);transition:background .5s var(--ease);
}
.dots i.on{background:var(--gold)}

/* ── экраны ───────────────────────────────────────── */
#deck{position:fixed;inset:0;z-index:10}
.screen{
  position:absolute;inset:0;
  overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateY(22px) scale(.985);
  transition:opacity .65s var(--ease), transform .65s var(--ease), visibility .65s;
}
.screen.is-active{opacity:1;visibility:visible;pointer-events:auto;transform:none}
.screen.is-past{transform:translateY(-22px) scale(.985)}

.wrap{
  position:relative;z-index:2;
  min-height:100%;
  display:flex;flex-direction:column;justify-content:center;
  gap:14px;
  max-width:560px;margin:0 auto;
  padding:var(--pad-top) 26px var(--pad-bot);
}
.wrap.center{text-align:center;align-items:center}
.wrap.bottom{justify-content:flex-end}

/* фото-экран */
.screen.photo .bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  transform:scale(1.14);
}
.screen.photo.is-active .bg{animation:kenburns 20s ease-out forwards}
@keyframes kenburns{to{transform:scale(1.0)}}
.screen.photo .bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(8,17,15,.55) 0%, rgba(8,17,15,.15) 32%, rgba(8,17,15,.86) 78%, #08110f 100%);
}
.screen.photo.dim .bg::after{background:rgba(8,17,15,.72)}

/* ── типографика ──────────────────────────────────── */
.eyebrow{
  margin:0;font-size:10.5px;font-weight:500;letter-spacing:.30em;text-transform:uppercase;
  color:var(--gold);opacity:.85;
}
.display{
  margin:0;font-family:var(--serif);font-weight:300;line-height:1.06;
  font-size:clamp(40px,13vw,66px);letter-spacing:.005em;
  font-variant-numeric:lining-nums;font-feature-settings:'lnum' 1;
  color:var(--gold-soft);
  text-shadow:0 2px 40px rgba(8,17,15,.6);
}
.display.sm{font-size:clamp(31px,9vw,46px);line-height:1.14}
.lead{margin:0;color:var(--muted);font-size:16px;line-height:1.65;max-width:44ch}
.wrap.center .lead{margin-inline:auto}
.sub{margin:0;font-size:13px;letter-spacing:.09em;color:var(--muted);text-transform:lowercase}
.fine{margin:0;font-size:13px;line-height:1.6;color:rgba(244,237,227,.42)}
.hint{margin:0;font-size:12px;letter-spacing:.06em;color:rgba(244,237,227,.38);min-height:18px}
.rule{width:52px;height:1px;background:var(--gold);opacity:.55;margin:2px 0}
.wrap.center .rule{margin-inline:auto}

/* ── кнопки ───────────────────────────────────────── */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 30px;border-radius:40px;border:1px solid var(--gold);
  font-family:var(--sans);font-size:14px;font-weight:500;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;overflow:hidden;
  transition:transform .35s var(--ease), opacity .35s, box-shadow .35s, background .35s;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:var(--gold);color:#0a1513;border-color:var(--gold);
  box-shadow:0 10px 34px -14px rgba(217,179,130,.85);
}
.btn-ghost{background:transparent;color:var(--gold-soft);border-color:var(--line)}
.btn[disabled]{opacity:.45;cursor:default;box-shadow:none}
.btn-load{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(10,21,19,.25)}
.btn-load i{display:block;height:100%;width:0%;background:#0a1513;transition:width .35s linear}
.btn[disabled] .btn-load{display:block}
.btn:not([disabled]) .btn-load{display:none}

.nav{
  position:fixed;z-index:40;left:0;right:0;bottom:0;
  display:flex;justify-content:center;
  padding:14px 26px calc(env(safe-area-inset-bottom, 0px) + 22px);
  background:linear-gradient(180deg, transparent, rgba(8,17,15,.75) 45%, #08110f);
  transition:opacity .4s, transform .4s var(--ease);
  pointer-events:none;
}
.nav .btn{pointer-events:auto;min-width:190px}
.nav.hide{opacity:0;transform:translateY(16px);pointer-events:none}
.nav.hide .btn{pointer-events:none}

.answers{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:12px}
#no{transition:transform .3s var(--ease), opacity .4s}
#yes{min-width:150px}

.actions{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:4px}
.actions .btn{min-height:46px;padding:0 22px;font-size:13px}

/* ── конверт ──────────────────────────────────────── */
.envelope{width:104px;margin-bottom:8px}
.envelope svg{width:100%;height:auto;overflow:visible}
.env-body{fill:none;stroke:var(--gold);stroke-width:1.2;opacity:.75}
.env-flap{fill:none;stroke:var(--gold);stroke-width:1.2;opacity:.75;
  stroke-dasharray:170;stroke-dashoffset:170;animation:draw 1.6s .5s var(--ease) forwards}
.env-seal{fill:var(--gold);opacity:0;animation:pop 1s 1.7s var(--ease) forwards;transform-origin:60px 47px}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes pop{0%{opacity:0;transform:scale(.4)}70%{opacity:1;transform:scale(1.14)}100%{opacity:.95;transform:scale(1)}}

/* ── плитки ───────────────────────────────────────── */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 4px}
.tile{
  position:relative;margin:0;border-radius:16px;overflow:hidden;
  aspect-ratio:5/6;background:var(--bg-2);
  border:1px solid rgba(244,237,227,.07);
}
.tile img{width:100%;height:100%;object-fit:cover;display:block}
.tile figcaption{
  position:absolute;inset:auto 0 0 0;padding:40px 13px 15px;
  background:linear-gradient(180deg,transparent,rgba(8,17,15,.92));
  display:flex;flex-direction:column;gap:1px;text-align:left;
}
.tile b{font-size:14px;font-weight:500;letter-spacing:.01em;color:var(--gold-soft);line-height:1.25}
.tile span{font-size:11.5px;color:rgba(244,237,227,.55);line-height:1.35}

/* ── карточка деталей ─────────────────────────────── */
.card{
  border:1px solid var(--line);border-radius:18px;
  background:rgba(244,237,227,.035);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  padding:4px 18px;margin:4px 0;
}
.row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:14px 0}
.row + .row{border-top:1px solid rgba(244,237,227,.07)}
.row span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.row b{font-weight:400;font-size:15px;color:var(--text);text-align:right}

.note{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;
  background:rgba(217,179,130,.07);border:1px solid rgba(217,179,130,.16)}
.note svg{flex:0 0 auto;width:19px;height:19px;color:var(--gold);margin-top:2px}
.note p{margin:0;font-size:13.5px;line-height:1.55;color:rgba(244,237,227,.78)}
.note b{color:var(--gold-soft);font-weight:500}

/* ── обратный отсчёт ──────────────────────────────── */
.countdown{display:flex;gap:8px;justify-content:center;margin:8px 0 6px;flex-wrap:nowrap}
.countdown div{
  flex:1 1 0;max-width:82px;padding:12px 2px;border-radius:14px;
  border:1px solid var(--line);background:rgba(244,237,227,.035);
}
.countdown b{display:block;font-family:var(--serif);font-weight:400;font-size:28px;line-height:1.1;color:var(--gold-soft);
  font-variant-numeric:lining-nums tabular-nums;font-feature-settings:'lnum' 1,'tnum' 1}
.countdown span{display:block;font-size:9px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:clip}

.heart{font-size:22px;color:var(--gold);opacity:.75;animation:beat 2.6s ease-in-out infinite;margin-top:4px}
@keyframes beat{0%,100%{transform:scale(1)}12%{transform:scale(1.22)}24%{transform:scale(1)}36%{transform:scale(1.14)}}

#confetti{position:fixed;inset:0;z-index:60;pointer-events:none;width:100%;height:100%}

/* ── появление контента ───────────────────────────── */
.reveal{
  opacity:0;transform:translateY(16px);
  transition:opacity .85s var(--ease), transform .85s var(--ease);
  transition-delay:calc(var(--i, 0) * 95ms + 130ms);
}
.is-active .reveal{opacity:1;transform:none}

@media (min-width:520px){
  .tiles{gap:14px}
  .wrap{padding-left:34px;padding-right:34px}
}
@media (max-height:640px){
  .display{font-size:clamp(34px,11vw,50px)}
  .envelope{width:82px}
  .wrap{gap:11px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.15s !important}
  .screen.photo.is-active .bg{transform:scale(1)}
}