:root{
  --red:#d0342c; --yellow:#e8b830; --blue:#4270d6; --cream:#e8e6df;
  --bg:#050507; --txt:#f5f5f7; --dim:#9a9aa3;
  --r:28px;
  --dotfont:'Doto','DotGothic16',ui-monospace,'SF Mono',Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--txt);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'SF Pro Text','Segoe UI',Roboto,sans-serif;
  line-height:1.55;overflow-x:hidden;min-height:100vh;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.dot{font-family:var(--dotfont);font-weight:800;letter-spacing:.02em}
.wrap{width:min(1160px,100% - 32px);margin-inline:auto}
.muted{color:var(--dim)}

/* ===== background ===== */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:var(--bg)}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.b1{width:46vmax;height:46vmax;background:var(--red);left:-14vmax;top:-10vmax;animation:f1 22s ease-in-out infinite alternate}
.b2{width:38vmax;height:38vmax;background:var(--yellow);right:-12vmax;top:18vh;opacity:.32;animation:f2 26s ease-in-out infinite alternate}
.b3{width:42vmax;height:42vmax;background:var(--blue);left:10vw;bottom:-22vmax;opacity:.38;animation:f3 30s ease-in-out infinite alternate}
.b4{width:26vmax;height:26vmax;background:var(--cream);right:18vw;bottom:-8vmax;opacity:.14;animation:f1 34s ease-in-out infinite alternate-reverse}
.grid{position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1.4px,transparent 1.6px);
  background-size:26px 26px;
  mask-image:radial-gradient(ellipse at 50% 30%,#000 10%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 30%,#000 10%,transparent 75%)}
@keyframes f1{to{transform:translate(8vmax,6vmax) scale(1.15)}}
@keyframes f2{to{transform:translate(-8vmax,-4vmax) scale(.9)}}
@keyframes f3{to{transform:translate(6vmax,-6vmax) scale(1.2)}}

/* ===== iOS liquid glass ===== */
.glass{
  --mx:50%;--my:0%;
  position:relative;isolation:isolate;
  background:linear-gradient(135deg,rgba(255,255,255,.16) 0%,rgba(255,255,255,.05) 45%,rgba(255,255,255,.09) 100%);
  -webkit-backdrop-filter:blur(26px) saturate(190%) brightness(1.05);
  backdrop-filter:blur(26px) saturate(190%) brightness(1.05);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:
    inset 0 1.5px 0 rgba(255,255,255,.45),
    inset 0 -1px 0 rgba(255,255,255,.08),
    inset 1px 0 0 rgba(255,255,255,.12),
    inset -1px 0 0 rgba(255,255,255,.06),
    0 18px 50px -12px rgba(0,0,0,.65);
}
.glass::before{ /* specular highlight following the pointer */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:-1;
  background:radial-gradient(240px circle at var(--mx) var(--my),rgba(255,255,255,.28),transparent 62%);
  opacity:.55;transition:opacity .3s;
}
.glass:hover::before{opacity:1}
.glass::after{ /* edge rim light */
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  padding:1px;
  background:linear-gradient(160deg,rgba(255,255,255,.55),rgba(255,255,255,0) 30%,rgba(255,255,255,0) 70%,rgba(255,255,255,.25));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}

/* ===== nav ===== */
.nav{
  position:fixed;top:max(12px,env(safe-area-inset-top));left:50%;transform:translateX(-50%);
  width:min(920px,100% - 24px);z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:8px 8px 8px 14px;border-radius:999px;transition:.35s;
}
.nav.scrolled{background:linear-gradient(135deg,rgba(20,20,24,.6),rgba(20,20,24,.35))}
.brand{display:flex;align-items:center;gap:10px;font-size:1.25rem}
.brand img{border-radius:10px;box-shadow:0 0 0 1px rgba(255,255,255,.18)}
.links{display:flex;gap:4px}
.links a{padding:8px 14px;border-radius:999px;font-size:.92rem;color:#d7d7dc;transition:.2s}
.links a:hover{background:rgba(255,255,255,.1);color:#fff}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:14px 22px;border-radius:999px;font-weight:600;font-size:1rem;
  transition:transform .2s,box-shadow .25s,filter .2s;position:relative;
}
.btn:active{transform:scale(.97)}
.btn:hover{transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:.9rem}
.btn-lg{padding:14px 26px}
.btn span{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15;text-align:left}
.btn small{font-weight:500;font-size:.74rem;opacity:.78}
.btn-red{
  color:#fff;
  background:linear-gradient(180deg,#ee4a41 0%,#c42a22 100%);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.55),inset 0 -2px 6px rgba(0,0,0,.25),0 12px 34px -8px rgba(208,52,44,.75);
}
.btn-red:hover{filter:brightness(1.08);box-shadow:inset 0 1.5px 0 rgba(255,255,255,.6),inset 0 -2px 6px rgba(0,0,0,.25),0 16px 42px -8px rgba(208,52,44,.9)}
.btn-glass{color:#fff}

/* ===== hero ===== */
.hero{
  min-height:100svh;display:grid;grid-template-columns:1.05fr 1fr;gap:42px;align-items:center;
  padding:120px 0 70px;
}
.chip{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;font-size:.82rem;color:#e6e6ea;margin-bottom:22px}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(208,52,44,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(208,52,44,0)}100%{box-shadow:0 0 0 0 rgba(208,52,44,0)}}
.hero h1{font-size:clamp(3.6rem,11vw,7.6rem);line-height:.92;font-weight:900;letter-spacing:.01em}
.hero h1 span{display:block}
.l1{color:#fff}
.l2{color:var(--red);text-shadow:0 0 44px rgba(208,52,44,.55)}
.lead{margin:24px 0 30px;font-size:clamp(1rem,2.4vw,1.2rem);color:#c9c9d0;max-width:34ch}
.cta{display:flex;flex-wrap:wrap;gap:14px}
.gh{display:inline-flex;align-items:center;gap:10px;margin-top:20px;padding:10px 18px;border-radius:999px;font-size:.9rem;color:#dcdce1;transition:.2s}
.gh:hover{color:#fff;transform:translateY(-1px)}
.hero-shot{border-radius:var(--r);padding:8px;transition:transform .25s ease-out;transform-style:preserve-3d}
.hero-shot img{border-radius:calc(var(--r) - 8px);width:100%;height:auto}

/* ===== sections ===== */
.sec{padding:84px 0 10px}
.sec h2{font-size:clamp(2.2rem,6vw,3.8rem);line-height:1;font-weight:900}
.sub{color:var(--dim);margin:12px 0 34px;max-width:52ch}

.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{border-radius:var(--r);padding:24px;transition:transform .3s}
.card:hover{transform:translateY(-4px)}
.card .num{display:inline-block;font-size:2rem;color:var(--c);text-shadow:0 0 24px var(--c);margin-bottom:10px}
.card h3{font-size:1.15rem;margin-bottom:6px}
.card p{color:#b9b9c1;font-size:.95rem}

.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.shot{border-radius:var(--r);padding:10px 10px 4px;overflow:hidden;transition:transform .3s}
.shot:hover{transform:translateY(-4px)}
.shot::marker{content:""}
.zoom{display:block;width:100%;border-radius:calc(var(--r) - 10px);overflow:hidden;position:relative;
  box-shadow:0 0 0 1px rgba(255,255,255,.08),0 14px 40px -14px var(--c)}
.zoom img{width:100%;height:auto;transition:transform .5s}
.zoom:hover img{transform:scale(1.03)}
.shot figcaption{padding:14px 10px 12px}
.shot h3{font-size:1.05rem;display:flex;align-items:center;gap:10px}
.shot h3::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--c);box-shadow:0 0 14px var(--c)}
.shot p{color:#b4b4bc;font-size:.92rem;margin-top:4px}

.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.dl{border-radius:var(--r);padding:28px;display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.dl::selection{background:var(--c)}
.dl .tag{font-size:.74rem;padding:5px 12px;border-radius:999px;color:#fff;
  background:color-mix(in srgb,var(--c) 40%,transparent);border:1px solid color-mix(in srgb,var(--c) 70%,transparent)}
.dl h3{font-family:var(--dotfont);font-weight:800;font-size:2.1rem;line-height:1;color:var(--c);text-shadow:0 0 28px color-mix(in srgb,var(--c) 60%,transparent)}
.dl p{color:#c2c2c9;margin-bottom:8px}
.file{color:var(--dim);font-size:.78rem;word-break:break-all}
.hint{margin:18px 0 26px;padding:16px 22px;border-radius:20px;color:#d2d2d8;font-size:.95rem}
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:34px}
.steps li{display:flex;gap:14px;align-items:flex-start;color:#c4c4cb;font-size:.95rem}
.steps b{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-size:1.2rem;color:var(--red);
  background:rgba(208,52,44,.14);border:1px solid rgba(208,52,44,.5)}
.steps em{color:#fff;font-style:normal}
.gh-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.link{color:#ff8b83;font-weight:500}
.link:hover{text-decoration:underline}

/* ===== footer ===== */
.foot{padding:70px 0 max(28px,env(safe-area-inset-bottom))}
.foot-in{border-radius:var(--r);padding:20px 26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.foot p{color:var(--dim);font-size:.92rem}
.foot p a{color:#fff;border-bottom:1px solid rgba(255,255,255,.3)}

/* ===== toast ===== */
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,30px);
  padding:12px 20px;border-radius:999px;font-size:.92rem;z-index:80;opacity:0;pointer-events:none;transition:.35s}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== lightbox ===== */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.82);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;
  animation:fade .25s}
.lightbox[hidden]{display:none}
.lightbox img{max-height:80vh;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.14)}
.lb-cap{font-size:1.3rem;color:#fff}
.lb-close{position:absolute;top:max(16px,env(safe-area-inset-top));right:16px;width:44px;height:44px;border-radius:50%;font-size:1.05rem}
@keyframes fade{from{opacity:0}}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== responsive ===== */
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:110px;gap:34px;min-height:auto}
  .cards{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
}
@media (max-width:640px){
  .links{display:none}
  .cards,.gallery,.dl-grid{grid-template-columns:1fr}
  .cta .btn{flex:1 1 100%}
  .sec{padding-top:64px}
  .foot-in{justify-content:center;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}
/* fallback when backdrop-filter is unsupported */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .glass{background:rgba(28,28,32,.88)}
}