:root{
  --ink:#14171f; --ink2:#3b4252; --muted:#6b7280;
  --paper:#f7f4ef; --paper2:#efe9df; --white:#fff;
  --blue:#2f6bff; --blue2:#1e4fd6; --wood:#c8893b; --wood2:#f2b35a;
  --line:#e4ddd1; --r:14px;
  --shadow:0 20px 50px -20px rgba(20,23,31,.35), 0 4px 12px rgba(20,23,31,.08);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--paper);line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:780px}
.center{text-align:center}

/* top bar */
.top{position:sticky;top:0;z-index:10;background:rgba(247,244,239,.86);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;letter-spacing:-.01em}
.brand b{font-weight:800}
.brand.small{font-size:16px}
.nav{display:flex;gap:22px;margin-left:12px}
.nav a{text-decoration:none;color:var(--ink2);font-weight:500}
.nav a:hover{color:var(--blue)}
.top-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.langs{position:relative}
.langs summary{list-style:none;cursor:pointer;font-weight:600;font-size:14px;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--white)}
.langs summary::-webkit-details-marker{display:none}
.langs-list{position:absolute;right:0;top:calc(100% + 6px);background:var(--white);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:6px;display:grid;min-width:150px}
.langs-list a{padding:8px 12px;border-radius:8px;text-decoration:none;font-size:15px}
.langs-list a:hover,.langs-list a[aria-current]{background:var(--paper)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--blue);color:#fff;text-decoration:none;font-weight:700;border-radius:12px;padding:12px 20px;box-shadow:0 8px 20px -8px rgba(47,107,255,.7);transition:transform .15s,background .15s}
.btn:hover{background:var(--blue2);transform:translateY(-1px)}
.btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.btn-sm{padding:9px 16px;font-size:15px;box-shadow:none}
.btn-lg{padding:16px 28px;font-size:18px}
.btn.disabled{background:#9aa3b5;box-shadow:none;pointer-events:none}

/* hero */
.hero{padding:72px 0 64px;background:
  radial-gradient(900px 420px at 85% 10%, rgba(47,107,255,.13), transparent 60%),
  radial-gradient(700px 380px at 0% 100%, rgba(200,137,59,.14), transparent 60%)}
.hero-in{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.badge{display:inline-block;background:var(--white);border:1px solid var(--line);color:var(--wood);font-weight:700;font-size:14px;padding:6px 12px;border-radius:999px}
h1{font-size:clamp(34px,4.6vw,56px);line-height:1.08;letter-spacing:-.025em;margin:18px 0 18px}
h1 .accent{color:var(--blue)}
.lead{font-size:19px;color:var(--ink2);max-width:36em;margin:0 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.note{color:var(--muted);font-size:14px}
.note.light{color:#b8bfcc;margin-top:18px}

/* app frame */
.frame{margin:0;background:#0f1218;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);border:1px solid #232835}
.frame-bar{height:28px;display:flex;gap:7px;align-items:center;padding:0 12px;background:#1b1f29}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#3a4152}
.frame-bar i:first-child{background:#ff5f57}.frame-bar i:nth-child(2){background:#febc2e}.frame-bar i:nth-child(3){background:#28c840}
.hero-shot{margin:0;transform:perspective(1600px) rotateY(-6deg) rotateX(2deg);transform-origin:left center}

/* sections */
.section{padding:88px 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section.dark{background:var(--ink);color:#e8ebf1}
h2{font-size:clamp(28px,3.2vw,40px);line-height:1.15;letter-spacing:-.02em;margin:0 0 12px;text-align:center}
.split h2{text-align:left}
.sub{color:var(--muted);font-size:18px;text-align:center;max-width:40em;margin:0 auto 44px}
.sub.left{text-align:left;margin:0 0 22px}
h3{font-size:19px;margin:0 0 8px;letter-spacing:-.01em}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.card p{margin:0;color:var(--ink2)}
.card.plain{background:var(--paper)}
.ico{width:46px;height:46px;border-radius:12px;background:rgba(47,107,255,.1);display:grid;place-items:center;margin-bottom:16px}
.ico svg{width:24px;height:24px;fill:none;stroke:var(--blue);stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

.shots{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:40px}
.shots figure{margin:0}
.shots img{border-radius:12px;border:1px solid #2a3040;box-shadow:0 18px 40px -18px rgba(0,0,0,.6)}
.shots figcaption{margin-top:10px;color:#aab2c2;font-size:15px;text-align:center}

.steps{list-style:none;padding:0;margin:44px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:s}
.steps li{position:relative;padding:28px 26px;border-radius:var(--r);background:var(--white);border:1px solid var(--line)}
.num{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--wood);color:#fff;font-weight:800;margin-bottom:14px}
.steps p{margin:0;color:var(--ink2)}

.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checks li{position:relative;padding-left:34px;font-weight:500}
.checks li::before{content:"";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:50%;background:var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat}

.faq{margin-top:36px;display:grid;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:650;font-size:17px;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--blue);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 18px;color:var(--ink2)}

.final{background:linear-gradient(135deg,#14171f 0%,#1d2433 60%,#24324f 100%);color:#fff}
.final .sub{color:#c3cad8}
.soon{display:inline-block;margin-top:14px;color:var(--wood2);font-weight:600}

.foot{background:#0f1218;color:#9aa3b5;padding:28px 0;font-size:14px}
.foot-in{display:flex;flex-wrap:wrap;gap:18px 28px;align-items:center}
.foot a{text-decoration:none}
.foot a:hover{color:#fff}
.foot .brand{color:#fff}
.foot-langs{margin-left:auto;display:flex;flex-wrap:wrap;gap:12px}
.foot-langs a[aria-current]{color:#fff;font-weight:700}

@media (max-width: 900px){
  .nav{display:none}
  .hero{padding:44px 0}
  .hero-in,.split{grid-template-columns:1fr;gap:36px}
  .hero-shot{transform:none}
  .grid3,.steps,.shots{grid-template-columns:1fr}
  .section{padding:64px 0}
  .btn-sm{display:none}
  .foot-langs{margin-left:0}
}
@media (prefers-reduced-motion: reduce){*{transition:none!important;scroll-behavior:auto!important}}