/* Обложки — лендинг + оболочка генератора. Палитра платформы: тёмный + красный + золото. */
:root{--ob-bg:#0d0d10;--ob-card:#16161c;--ob-line:#2a2a33;--ob-txt:#f3f1ec;--ob-mut:#a6a2af;--ob-red:#e1162b;--ob-red2:#ff3a4d;--ob-au:#cdb36a}
*{box-sizing:border-box}
body{margin:0;background:var(--ob-bg);color:var(--ob-txt);font-family:'Onest',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
.ob-wrap{max-width:1080px;margin:0 auto;padding:0 20px}

/* hero */
.ob-hero{position:relative;padding:72px 0 56px;overflow:hidden}
.ob-hero::before{content:"";position:absolute;top:-160px;left:50%;transform:translateX(-50%);width:760px;height:520px;background:radial-gradient(circle,rgba(225,22,43,.20),transparent 68%);filter:blur(30px);pointer-events:none}
.ob-badge{display:inline-block;background:rgba(205,179,106,.13);border:1px solid rgba(205,179,106,.4);color:var(--ob-au);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.ob-hero h1{font-family:'Unbounded',sans-serif;font-size:clamp(32px,6vw,58px);line-height:1.08;margin:18px 0 0;letter-spacing:-.01em}
.ob-accent{background:linear-gradient(100deg,var(--ob-red2),var(--ob-au));-webkit-background-clip:text;background-clip:text;color:transparent}
.ob-sub{max-width:620px;color:var(--ob-mut);font-size:clamp(15px,2.2vw,17.5px);margin:16px 0 0}
.ob-cta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:26px}
.ob-cta-c{justify-content:center;margin-top:30px}
.ob-btn{display:inline-flex;align-items:center;background:linear-gradient(180deg,var(--ob-red2),var(--ob-red));color:#fff;text-decoration:none;font-weight:700;font-size:15px;padding:14px 26px;border-radius:999px;box-shadow:0 8px 24px rgba(225,22,43,.28);transition:.15s}
.ob-btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px rgba(225,22,43,.36)}
.ob-note{color:var(--ob-mut);font-size:13px}

/* секции */
.ob-sec{padding:44px 20px}
.ob-sec h2{font-family:'Unbounded',sans-serif;font-size:clamp(22px,3.4vw,32px);margin:0}
.ob-lead{color:var(--ob-mut);margin:8px 0 22px}

/* примеры — вертикальная бегущая карусель в 3 колонки */
.ob-mq{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;height:min(74vh,620px);overflow:hidden;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%);
          mask-image:linear-gradient(to bottom,transparent 0,#000 11%,#000 89%,transparent 100%)}
.ob-col{overflow:hidden}
.ob-track{display:flex;flex-direction:column;gap:14px;will-change:transform;animation:obUp 46s linear infinite}
.ob-track.rev{animation-name:obDown}
.ob-mq:hover .ob-track{animation-play-state:paused}
@keyframes obUp{from{transform:translateY(0)}to{transform:translateY(-50%)}}
@keyframes obDown{from{transform:translateY(-50%)}to{transform:translateY(0)}}
.ob-ph{aspect-ratio:1/1;border-radius:14px;overflow:hidden;border:1px solid var(--ob-line);background:var(--ob-card);flex:0 0 auto}
.ob-ph img{width:100%;height:100%;object-fit:cover;display:block}
@media(prefers-reduced-motion:reduce){.ob-track{animation:none}}

/* шаги */
.ob-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:20px}
.ob-step{background:var(--ob-card);border:1px solid var(--ob-line);border-radius:16px;padding:22px}
.ob-step b{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:rgba(225,22,43,.14);border:1px solid rgba(225,22,43,.4);color:var(--ob-red2);font-size:14px}
.ob-step h3{margin:14px 0 6px;font-size:17px}
.ob-step p{margin:0;color:var(--ob-mut);font-size:14.5px}

/* приложение (залогинен) */
.ob-app{max-width:1560px;margin:0 auto;padding:26px 20px 60px}
.ob-apphead h1{font-family:'Unbounded',sans-serif;font-size:clamp(22px,3.4vw,30px);margin:0 0 6px}
.ob-apphead p{color:var(--ob-mut);margin:0 0 20px;font-size:14.5px}
.ob-apphead a{color:var(--ob-au)}
.ob-err{background:var(--ob-card);border:1px solid var(--ob-line);border-radius:14px;padding:22px;color:var(--ob-mut)}

@media(max-width:720px){.ob-mq{grid-template-columns:repeat(2,1fr);height:min(64vh,460px)}.ob-col3{display:none}}
@media(max-width:560px){.ob-hero{padding:48px 0 40px}.ob-mq{gap:10px}.ob-track{gap:10px}}