/* oskera.vip — FR digital-market courses, solana.com: black field, huge type, white pill, lilac cards.
   Not somira lime, not visarel cyan-mint, not trelion navy, not pundix grid. */
:root {
  --bg: #050505;
  --ink: #f5f5f5;
  --mute: #9a9a9a;
  --line: #1a1a1a;
  --card: #0e0e0e;
  --lilac: #c4b5fd;
  --lilac-2: #9945ff;
  --lilac-soft: #ece4ff;
  --font: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --wrap: 1120px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--lilac); }
p { margin: 0 0 .9em; }
h1, h2, h3 {
  margin: 0 0 .35em;
  line-height: 1.02;
  letter-spacing: -.045em;
  font-weight: 650;
  overflow-wrap: anywhere;
}
h1 { font-size: clamp(2.6rem, 7.2vw, 5.4rem); font-weight: 600; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.8rem); }
h3 { font-size: 1.05rem; letter-spacing: -.02em; }
[hidden] { display: none !important; }
.wrap { width: min(var(--wrap), calc(100% - 36px)); margin-inline: auto; }
.lead { color: var(--mute); max-width: 42ch; font-size: 1.08rem; }
.lead.wide { max-width: 68ch; }
.kicker {
  color: var(--lilac);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.top {
  position: sticky; top: 0; z-index: 40;
  background: rgba(5,5,5,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: #fff; font-weight: 800; letter-spacing: .06em;
  font-size: .92rem;
}
.brand img { width: 26px; height: 26px; }
.nav { display: flex; gap: 20px; margin-left: auto; }
.nav a { text-decoration: none; color: #cfcfcf; font-weight: 600; font-size: .9rem; }
.nav a:hover, .nav a.is-on { color: #fff; }
.menu-btn {
  display: none; margin-left: auto;
  border: 1px solid #2a2a2a; background: transparent; color: #fff;
  border-radius: 999px; padding: 8px 12px; font: inherit;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: #fff; color: #111; text-decoration: none;
  border: 0; border-radius: 999px; padding: 12px 18px; font: inherit; font-weight: 750;
  cursor: pointer;
}
.btn .plus { font-size: 1.15rem; line-height: 1; }
.btn.ghost {
  background: transparent; color: #fff; border: 1px solid #2c2c2c;
}
.btn.lilac { background: var(--lilac-soft); color: #1a1028; }

.hero { padding: 88px 0 72px; }
.hero-grid {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: end;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.promo {
  background: var(--lilac-soft); color: #161018; border-radius: 22px; padding: 22px 22px 20px;
}
.promo h3 { font-size: 1.35rem; margin-bottom: 8px; color: #161018; }
.promo p { margin: 0 0 14px; color: #3b3344; }
.promo .btn { background: #111; color: #fff; }

.rail {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px;
}
.ev {
  border: 1px solid var(--line); border-radius: 18px; padding: 16px; background: var(--card);
  min-height: 148px;
}
.ev .when { color: var(--lilac); font-size: .78rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.ev h3 { margin: 10px 0 6px; }
.ev p { margin: 0; color: var(--mute); font-size: .92rem; }

.block { padding: 80px 0; }
.block.band { background: #090909; border-block: 1px solid var(--line); }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border: 1px solid var(--line); border-radius: 20px; overflow: hidden; margin-top: 28px;
}
.stat { padding: 28px 22px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 2.4rem; letter-spacing: -.04em; color: #fff; }
.stat span { color: var(--mute); font-size: .9rem; }

.news { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 14px; margin-top: 28px; }
.news a, .news article {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden; background: var(--card);
}
.news img { width: 100%; height: 180px; object-fit: cover; }
.news .pad { padding: 16px; }
.news p { margin: 0; color: var(--mute); font-size: .92rem; }

.strip {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px;
}
.strip span {
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px;
  color: #d7d7d7; font-size: .86rem; font-weight: 650;
}

.ico-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-top: 24px; }
.ico-grid.four { grid-template-columns: repeat(4, 1fr); }
.ico-rail { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 24px; }
.ico-rail .ico { padding: 14px 12px; }
.ico-rail h3 { font-size: .98rem; }
.ico {
  border: 1px solid var(--line); border-radius: 18px; padding: 18px; background: var(--card);
}
.ico svg { width: 26px; height: 26px; stroke: var(--lilac); fill: none; stroke-width: 1.8; margin-bottom: 10px; }
.ico p { margin: 0; color: var(--mute); font-size: .94rem; }
.ico.soft { background: var(--lilac-soft); color: #161018; border: 0; }
.ico.soft svg { stroke: var(--lilac-2); }
.ico.soft h3 { color: #161018; }
.ico.soft p { color: #3b3344; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 22px; }
.split p { color: var(--mute); }
.split-copy {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 22px;
}
.split-copy p { color: var(--mute); margin: 0 0 1em; }
.split-copy p:last-child { margin-bottom: 0; }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 8px; }
.pills span {
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 13px;
  font-size: .82rem; color: var(--lilac); font-weight: 650;
}

.faces {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px;
}
.face {
  border-radius: 22px; padding: 28px 24px; min-height: 280px;
}
.face.dark { background: var(--card); border: 1px solid var(--line); }
.face.lilac { background: var(--lilac-soft); color: #161018; }
.face.lilac h2, .face.lilac h3 { color: #161018; }
.face.lilac p, .face.lilac li { color: #3b3344; }
.face ul { margin: 12px 0 0; padding: 0 0 0 18px; }
.face li { margin: 8px 0; }

.cols3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 24px; }
.col {
  border: 1px solid var(--line); border-radius: 20px; padding: 22px 18px; background: var(--card);
}
.col h3 { font-size: 1.15rem; margin-bottom: 12px; }
.col ul { margin: 0; padding: 0; list-style: none; }
.col li { color: var(--mute); padding: 8px 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.col li:last-child { border-bottom: 0; }
.col.ok h3 { color: var(--lilac); }
.col.ok li { color: #ddd; }

.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.step {
  border: 1px solid var(--line); border-radius: 18px; padding: 20px 18px; background: var(--card);
}
.step .n {
  color: var(--lilac); font-weight: 800; font-size: 1.4rem; letter-spacing: -.04em;
  display: block; margin-bottom: 8px;
}

.rule-list { margin-top: 18px; }
.rule {
  display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start;
  border-bottom: 1px solid var(--line); padding: 16px 0;
}
.rule:last-child { border-bottom: 0; }
.rule svg { width: 28px; height: 28px; stroke: var(--lilac); fill: none; stroke-width: 1.8; margin-top: 2px; }
.rule h3 { margin: 0 0 6px; }
.rule p { margin: 0; color: var(--mute); }

.marks { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.mark {
  display: grid; grid-template-columns: 28px 1fr; gap: 12px; align-items: start;
  border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; background: var(--card);
}
.mark svg { width: 22px; height: 22px; stroke: var(--lilac); fill: none; stroke-width: 1.8; margin-top: 2px; }
.mark h3 { margin: 0 0 4px; font-size: 1rem; }
.mark p { margin: 0; color: var(--mute); font-size: .9rem; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
.photo {
  width: 100%; object-fit: cover; border-radius: 18px; border: 1px solid var(--line);
}
.photo-wide { aspect-ratio: 16/9; max-height: 440px; margin: 20px 0 8px; }
.pair .photo { margin: 0; aspect-ratio: 4/3; }

.week {
  display: grid; grid-template-columns: 150px 1fr; gap: 0;
  border: 1px solid var(--line); border-radius: 18px; overflow: hidden; margin-top: 22px;
}
.week div { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.week div:nth-child(odd) { background: #0c0c0c; font-weight: 750; }
.week div:nth-last-child(-n+2) { border-bottom: 0; }

.voices { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-top: 22px; }
.voice { border: 1px solid var(--line); border-radius: 16px; padding: 18px; background: var(--card); }
.who { color: var(--mute); font-size: .86rem; margin-top: 12px; }

.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 750; padding: 16px 0; }
.article { max-width: 740px; }
.prose { max-width: 70ch; color: var(--mute); }
.prose p { margin: 0 0 1em; }
.prose strong { color: var(--ink); font-weight: 700; }

.cta { padding: 80px 0; }
.cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; }
form {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px;
}
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
label { display: block; font-size: .82rem; font-weight: 750; margin: 0 0 10px; }
input, textarea {
  width: 100%; margin-top: 6px; border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 12px; font: inherit; background: #080808; color: #fff;
}
textarea { min-height: 88px; resize: vertical; }
.fine { font-size: .82rem; color: var(--mute); margin-top: 10px; }
.thanks {
  background: #1a1428; color: var(--lilac); border-radius: 14px; padding: 22px; font-weight: 700;
}

.foot { border-top: 1px solid var(--line); padding: 42px 0 24px; }
.foot-in { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 18px; }
.foot a { display: block; text-decoration: none; color: var(--mute); margin: 6px 0; }
.copy { margin-top: 24px; color: var(--mute); font-size: .85rem; }
.legal { padding: 48px 0 80px; max-width: 740px; color: var(--mute); }

.cookie {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 80;
  display: none; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap;
  background: #111; border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px;
}
.cookie.is-open { display: flex; }
.cookie-actions { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .hero-grid, .rail, .stats, .news, .ico-grid, .ico-grid.four, .ico-rail, .split, .split-copy, .pair, .voices, .cta-grid, .foot-in, .row2, .faces, .cols3, .steps, .marks { grid-template-columns: 1fr; }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .week { grid-template-columns: 110px 1fr; }
  .menu-btn { display: inline-flex; }
  .nav {
    display: none; position: absolute; left: 0; right: 0; top: 64px;
    background: #0b0b0b; border-bottom: 1px solid var(--line);
    flex-direction: column; padding: 12px 16px; margin: 0;
  }
  .nav.is-open { display: flex; }
}