:root{
  --bg:#05060d;
  --gold:#e8c37e;
  --gold-2:#f5dfae;
  --text:#f2efff;
  --muted:#a9a7c4;
  --glass:rgba(13,15,28,.55);
  --line:rgba(255,255,255,.14);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scrollbar-width:thin;scrollbar-color:rgba(232,195,126,.35) transparent}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-weight:400;
  overflow-x:hidden;
}
#spacer{height:1150vh}

/* ---------- сцена ---------- */
#stage{
  position:fixed;inset:0;overflow:hidden;
  background:
    radial-gradient(120vmax 80vmax at 85% -20%, rgba(64,42,120,.28), transparent 60%),
    radial-gradient(100vmax 70vmax at -10% 115%, rgba(140,80,30,.14), transparent 55%),
    var(--bg);
}
#stars{position:absolute;inset:0;z-index:0}
#system{position:absolute;inset:0;z-index:1;will-change:transform,opacity}

/* ---------- слои ---------- */
.layer{position:absolute;inset:0;pointer-events:none;opacity:0;visibility:hidden;z-index:2}
#hero{opacity:1;visibility:visible}

/* ---------- шапка ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 4vw;
}
.logo{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-size:20px;letter-spacing:.32em;font-weight:600;
  color:var(--text);text-decoration:none;white-space:nowrap;
  text-shadow:0 2px 18px rgba(0,0,0,.6);
}
#progress{
  position:fixed;top:0;left:0;height:2px;width:0;z-index:21;
  background:linear-gradient(90deg,var(--gold),#fff);
  box-shadow:0 0 12px rgba(232,195,126,.7);
}

/* ---------- кнопки ---------- */
.btn{
  pointer-events:auto;
  display:inline-block;
  padding:14px 30px;border-radius:999px;
  font-weight:600;font-size:15px;letter-spacing:.04em;
  color:#171003;text-decoration:none;
  background:linear-gradient(135deg,var(--gold-2),var(--gold) 55%,#caa25b);
  box-shadow:0 6px 30px rgba(232,195,126,.35), inset 0 1px 0 rgba(255,255,255,.6);
  transition:transform .35s cubic-bezier(.2,.9,.3,1.4),box-shadow .35s;
}
.btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 10px 44px rgba(232,195,126,.55), inset 0 1px 0 rgba(255,255,255,.6)}
.btn-small{padding:10px 22px;font-size:13px}
.btn-big{padding:18px 44px;font-size:17px}

/* ---------- типографика ---------- */
.overline{
  font-size:12px;letter-spacing:.42em;text-transform:uppercase;
  color:var(--gold);margin:0 0 14px;font-weight:500;
}
.overline.center{text-indent:.42em} /* компенсация letter-spacing при центрировании */
h1{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:600;
  font-size:clamp(54px,9vw,124px);
  letter-spacing:.22em;text-indent:.22em;
  margin:0;line-height:1.05;
  background:linear-gradient(180deg,#fff, #cfc7ee 55%, #8f86c9);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  text-shadow:0 0 60px rgba(120,110,220,.25);
}
h2{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:600;font-size:clamp(28px,3.6vw,46px);
  line-height:1.18;margin:0 0 16px;
}
h3{
  font-family:'Cormorant Garamond',Georgia,serif;
  font-weight:600;font-size:24px;margin:14px 0 8px;
}
.sub{font-size:clamp(15px,1.6vw,19px);color:var(--muted);letter-spacing:.08em;margin:18px 0 0}
.block-p{color:var(--muted);font-size:16px;line-height:1.7;margin:0 0 8px}

/* ---------- герой ---------- */
#hero{
  display:flex;flex-direction:column;align-items:center;
  text-align:center;padding-top:12vh;
}
.drag-hint{
  position:absolute;top:65%;left:50%;transform:translate(-50%,-50%);
  font-size:11px;letter-spacing:.26em;text-transform:uppercase;
  color:rgba(242,239,255,.9);
  padding:10px 20px;border-radius:999px;
  background:rgba(8,10,20,.55);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 8px 30px rgba(0,0,0,.5);
  white-space:nowrap;
  animation:hintFloat 3.4s ease-in-out infinite;
  transition:opacity .6s;
}
@keyframes hintFloat{0%,100%{transform:translate(-50%,-50%)}50%{transform:translate(-50%,-62%)}}
.scroll-hint{
  position:absolute;bottom:4.5vh;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted);
}
.mouse{
  width:24px;height:38px;border:1.5px solid rgba(255,255,255,.45);
  border-radius:14px;display:block;position:relative;
}
.wheel{
  position:absolute;left:50%;top:7px;width:3px;height:7px;margin-left:-1.5px;
  border-radius:3px;background:var(--gold);
  animation:wheelMove 1.8s ease-in-out infinite;
}
@keyframes wheelMove{
  0%{transform:translateY(0);opacity:1}
  70%{transform:translateY(12px);opacity:0}
  100%{transform:translateY(0);opacity:0}
}

/* ---------- Земля ---------- */
#earthWrap{
  position:absolute;left:0;top:0;z-index:2;
  cursor:grab;pointer-events:auto;
  will-change:transform;
  touch-action:pan-y;
}
#earthWrap.dragging{cursor:grabbing}
#earthWrap.no-drag{pointer-events:none;cursor:default}
#earth{display:block;position:relative;z-index:1}
.earth-glow{
  position:absolute;inset:-9%;border-radius:50%;z-index:0;
  background:radial-gradient(circle, rgba(80,140,255,.0) 55%, rgba(90,150,255,.28) 68%, rgba(60,110,240,.0) 78%);
  filter:blur(6px);
}
.earth-flat{
  width:100%;height:100%;border-radius:50%;
  background-size:auto 162%;background-position:center;
  position:relative;z-index:1;
}

/* ---------- солнце ---------- */
#sun{position:absolute;pointer-events:auto;cursor:pointer;z-index:3}
.sun-core{
  position:absolute;inset:10%;border-radius:50%;
  background:radial-gradient(circle at 42% 38%, #fff8dc, #ffd76a 40%, #ff9c3a 70%, #ff6a2a 100%);
  filter:url(#boil);
  animation:sunPulse 6s ease-in-out infinite;
  will-change:transform;
}
@keyframes sunPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.018)}}
.sun-glow{
  position:absolute;inset:-60%;border-radius:50%;
  background:radial-gradient(circle, rgba(255,196,96,.55), rgba(255,140,60,.16) 45%, transparent 70%);
  transition:transform .7s ease,opacity .7s ease;
}
#sun:hover .sun-core{filter:url(#boilStrong) brightness(1.1) saturate(1.15)}
#sun:hover .sun-glow{transform:scale(1.18);opacity:1.0}
/* режим «солнце растёт и бурлит» в финале */
#sun.raging{cursor:default}
#sun.raging .sun-core{filter:url(#boilStrong) brightness(1.05) saturate(1.2)}
#sun.raging .sun-glow{transform:scale(1.25)}
#flash{
  position:absolute;inset:0;z-index:6;pointer-events:none;opacity:0;
  background:radial-gradient(120vmax 120vmax at 12% 95%, #fff7e0, rgba(255,214,120,.85) 40%, rgba(255,140,50,.4) 70%, transparent 95%);
}

/* ---------- орбиты и планеты ---------- */
.orbit{
  position:absolute;border:1px solid rgba(255,255,255,.075);
  border-radius:50%;
}
.planet{
  position:absolute;border-radius:50%;
  box-shadow:inset 6px -7px 16px rgba(0,0,0,.55), 0 0 14px rgba(255,255,255,.05);
  will-change:transform;
}
/* планета с WebGL-глобусом: сам шар рисует канвас, CSS-градиент не нужен */
.planet.gl{background:none;box-shadow:none}
.planet-canvas{
  position:absolute;left:50%;top:50%;
  transform-origin:center;
  pointer-events:none;
}
.p-mercury{background:radial-gradient(circle at 36% 64%, #d9d9d9, #8f8f8f 58%, #4d4d4d)}
.p-venus{background:radial-gradient(circle at 36% 64%, #f8ebc8, #e2c185 55%, #9c6f38)}
.p-mars{background:radial-gradient(circle at 36% 64%, #ff9d6d, #d1541e 55%, #6f2408)}
.p-jupiter{
  background:
    radial-gradient(circle at 36% 64%, rgba(255,255,255,.28), transparent 42%),
    repeating-linear-gradient(100deg, #d8b88a 0 14%, #c39a63 14% 26%, #e9d5b0 26% 40%, #b8895a 40% 52%, #dfc29b 52% 68%, #c9a06e 68% 82%, #d8b88a 82% 100%);
}
.p-saturn{
  background:
    radial-gradient(circle at 36% 64%, rgba(255,255,255,.25), transparent 45%),
    linear-gradient(100deg,#e8d9b4,#cbb287 45%,#e3d0a8 75%,#b89c6e);
  overflow:visible;
}
.p-saturn .ring{
  position:absolute;left:50%;top:50%;
  width:220%;height:64%;
  transform:translate(-50%,-50%) rotate(-16deg);
  border-radius:50%;
  border:2px solid rgba(228,209,168,.55);
  box-shadow:0 0 8px rgba(228,209,168,.2);
}

/* ---------- второй слайд: текст ---------- */
#scene2text{display:flex;align-items:center;justify-content:flex-end;padding:0 7vw}
.glass{
  background:var(--glass);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:0 20px 60px rgba(0,0,0,.45);
}
.block{max-width:520px;padding:38px 40px}
.block.big{pointer-events:auto}
.block .btn{margin-top:18px}

/* ---------- пейзажи ---------- */
.landscape img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;will-change:transform;
}
.shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(5,6,13,.62), rgba(5,6,13,.06) 38%, rgba(5,6,13,.72) 100%);
}
.land-content{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:0 6vw 7vh;
}
.land-title{text-shadow:0 4px 30px rgba(0,0,0,.7)}
.cards{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;max-width:1180px;
}
.card{padding:26px 26px 22px;will-change:transform,opacity}
.card p{color:var(--muted);font-size:14.5px;line-height:1.65;margin:0}
.card-ic{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(232,195,126,.5);color:var(--gold);
  font-size:20px;
  background:rgba(232,195,126,.08);
}
.venus-content{justify-content:center;align-items:flex-end}

/* ---------- финал: текст на фоне гигантского солнца ---------- */
#finale{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:0 6vw;
  background:radial-gradient(85vmax 85vmax at 50% 46%, rgba(190,70,0,.20), rgba(140,40,0,.38) 60%, rgba(80,18,0,.5) 95%);
}
#finale .overline{color:#ffe9c4}
.finale-title{
  font-size:clamp(34px,4.6vw,58px);font-style:italic;font-weight:500;color:#fff;
  text-shadow:0 4px 44px rgba(90,15,0,.7), 0 1px 10px rgba(70,12,0,.55);
}
#finale .btn{box-shadow:0 10px 44px rgba(60,12,0,.5), inset 0 1px 0 rgba(255,255,255,.6)}
.foot{
  position:absolute;bottom:3.5vh;font-size:12px;letter-spacing:.18em;
  color:rgba(255,240,225,.7);text-transform:uppercase;
  text-shadow:0 1px 8px rgba(70,12,0,.6);
}

/* ---------- адаптив ---------- */
@media (max-width:960px){
  .cards{grid-template-columns:1fr;gap:12px;max-width:520px}
  .card{padding:18px 20px;display:grid;grid-template-columns:44px 1fr;column-gap:16px}
  .card h3{margin:0 0 4px}
  .card p{font-size:13.5px}
  .card h3,.card p{grid-column:2}
  .card .card-ic{grid-row:1 / span 2;align-self:start}
  #scene2text{justify-content:center}
  .block{padding:28px 26px}
  .venus-content{align-items:center}
  .land-content{padding-bottom:5vh}
  .logo{letter-spacing:.2em;font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  .wheel,.drag-hint,.sun-core{animation:none}
}