:root {
  --oh-bg: #0E0E0E;
  --oh-surface: #171717;
  --oh-surface-alt: #1F1F1F;
  --oh-divider: #2A2A2A;
  --oh-ink: #F5F1E8;
  --oh-muted: #8B8680;
  --oh-accent: #E63946;
  --oh-warn: #F4A261;
  --oh-success: #A8C686;
  --oh-track-w: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--oh-bg); color: var(--oh-ink); }
body.oh-body { font-family: 'Inter', system-ui, sans-serif; line-height: 1.55; -webkit-font-smoothing: antialiased; }

a { color: inherit; text-decoration: none; }
a.oh-link { color: var(--oh-accent); text-decoration: underline; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a.oh-link:hover { color: #ff5061; }

.oh-shell { position: sticky; top: 0; z-index: 50; background: var(--oh-bg); border-bottom: 1px solid var(--oh-divider); }
.oh-shell__inner { max-width: var(--oh-track-w); margin: 0 auto; padding: 18px 28px; display: flex; align-items: center; gap: 28px; }
.oh-marker { display: flex; align-items: center; gap: 12px; }
.oh-marker__num { font-family: 'Archivo Black'; color: var(--oh-accent); font-size: 14px; letter-spacing: 1.4px; }
.oh-marker__line { width: 28px; height: 2px; background: var(--oh-accent); }
.oh-brand { display: flex; align-items: center; gap: 12px; flex: 1; }
.oh-brand__mark { font-family: 'Archivo Black'; font-size: 22px; letter-spacing: 1px; color: var(--oh-ink); }
.oh-brand__word { font-family: 'Archivo Black'; font-size: 13px; letter-spacing: 3.4px; color: var(--oh-muted); }
.oh-nav { display: flex; gap: 22px; align-items: center; }
.oh-nav__link { font-family: 'Archivo Black'; font-size: 11px; letter-spacing: 2.2px; color: var(--oh-muted); text-transform: uppercase; padding: 8px 2px; border-bottom: 2px solid transparent; transition: color .14s, border-color .14s; }
.oh-nav__link:hover { color: var(--oh-ink); border-bottom-color: var(--oh-accent); }
.oh-nav__link--accent { color: var(--oh-accent); }
.oh-nav__link--accent:hover { color: var(--oh-ink); }

.oh-hero { position: relative; padding: 80px 0 96px; border-bottom: 1px solid var(--oh-divider); overflow: hidden; }
.oh-hero__rail { position: absolute; top: 70px; left: 28px; display: flex; flex-direction: column; align-items: center; gap: 16px; }
.oh-hero__num { font-family: 'Archivo Black'; color: var(--oh-accent); font-size: 18px; letter-spacing: 1.2px; }
.oh-hero__bar { width: 2px; height: 220px; background: var(--oh-accent); }
.oh-hero__inner { max-width: var(--oh-track-w); margin: 0 auto; padding: 0 28px 0 92px; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.oh-eyebrow { font-family: 'Archivo Black'; color: var(--oh-accent); font-size: 12px; letter-spacing: 3.6px; text-transform: uppercase; margin-bottom: 22px; }
.oh-title { font-family: 'Archivo Black'; font-size: clamp(60px, 11vw, 132px); line-height: .92; letter-spacing: -1.2px; color: var(--oh-ink); margin-bottom: 28px; text-transform: uppercase; }
.oh-title__accent { color: var(--oh-accent); }
.oh-sub { color: var(--oh-muted); font-size: 16px; max-width: 560px; margin-bottom: 26px; line-height: 1.65; }
.oh-hero__chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.oh-chip { font-family: 'Archivo Black'; font-size: 10px; letter-spacing: 2.4px; padding: 8px 14px; border: 1px solid var(--oh-divider); color: var(--oh-ink); text-transform: uppercase; }
.oh-chip--accent { border-color: var(--oh-accent); color: var(--oh-accent); }
.oh-hero__cta { display: flex; gap: 14px; flex-wrap: wrap; }

.oh-btn { font-family: 'Archivo Black'; font-size: 12px; letter-spacing: 2px; padding: 14px 26px; text-transform: uppercase; border: 1px solid transparent; cursor: pointer; transition: transform .14s, background .14s; display: inline-block; }
.oh-btn--primary { background: var(--oh-accent); color: #fff; }
.oh-btn--primary:hover { background: #ff5061; transform: translateY(-1px); }
.oh-btn--ghost { background: transparent; color: var(--oh-ink); border-color: var(--oh-divider); }
.oh-btn--ghost:hover { border-color: var(--oh-accent); color: var(--oh-accent); }

.oh-hero__art { position: relative; aspect-ratio: 1; max-width: 380px; justify-self: end; }
.oh-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; height: 100%; }
.oh-grid__cell { background: var(--oh-surface); border: 1px solid var(--oh-divider); }
.oh-grid__cell--accent { background: var(--oh-accent); border-color: var(--oh-accent); }
.oh-tag { position: absolute; right: -12px; bottom: -12px; padding: 8px 16px; background: var(--oh-bg); border: 1px solid var(--oh-accent); display: flex; align-items: center; gap: 8px; }
.oh-tag__dot { width: 8px; height: 8px; background: var(--oh-accent); }
.oh-tag__txt { font-family: 'Archivo Black'; font-size: 11px; letter-spacing: 2.4px; color: var(--oh-accent); }

.oh-section__head { max-width: var(--oh-track-w); margin: 0 auto; padding: 80px 28px 36px; display: flex; align-items: center; gap: 22px; }
.oh-section__num { font-family: 'Archivo Black'; color: var(--oh-accent); font-size: 14px; letter-spacing: 1.6px; padding: 6px 10px; border: 1px solid var(--oh-accent); }
.oh-section__title { font-family: 'Archivo Black'; font-size: 26px; letter-spacing: 2.6px; color: var(--oh-ink); }
.oh-section__rule { flex: 1; height: 1px; background: var(--oh-divider); }

.oh-tools { background: var(--oh-bg); }
.oh-tools__grid { max-width: var(--oh-track-w); margin: 0 auto; padding: 0 28px 80px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--oh-divider); }
.oh-tool { padding: 32px 28px; border-right: 1px solid var(--oh-divider); position: relative; background: var(--oh-bg); transition: background .14s; }
.oh-tool:last-child { border-right: none; }
.oh-tool:hover { background: var(--oh-surface); }
.oh-tool__index { position: absolute; top: 16px; right: 18px; font-family: 'Archivo Black'; font-size: 11px; color: var(--oh-accent); letter-spacing: 1.6px; }
.oh-tool__name { font-family: 'Archivo Black'; font-size: 22px; letter-spacing: .6px; color: var(--oh-ink); margin-bottom: 14px; text-transform: uppercase; }
.oh-tool__copy { font-size: 14px; color: var(--oh-muted); line-height: 1.65; margin-bottom: 18px; }
.oh-tool__bullets { list-style: none; padding: 0; }
.oh-tool__bullets li { font-size: 13px; color: var(--oh-ink); padding: 8px 0 8px 22px; position: relative; border-top: 1px solid var(--oh-divider); }
.oh-tool__bullets li:first-child { border-top: none; }
.oh-tool__bullets li::before { content: ''; position: absolute; left: 4px; top: 16px; width: 10px; height: 2px; background: var(--oh-accent); }

.oh-how { background: var(--oh-surface); border-top: 1px solid var(--oh-divider); border-bottom: 1px solid var(--oh-divider); }
.oh-steps { max-width: var(--oh-track-w); margin: 0 auto; padding: 0 28px 80px; list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.oh-step { padding: 28px 24px; border-right: 1px solid var(--oh-divider); position: relative; }
.oh-step:last-child { border-right: none; }
.oh-step__num { font-family: 'Archivo Black'; font-size: 38px; color: var(--oh-accent); letter-spacing: -1px; display: block; margin-bottom: 12px; }
.oh-step__h { font-family: 'Archivo Black'; font-size: 16px; letter-spacing: 1.4px; color: var(--oh-ink); margin-bottom: 10px; text-transform: uppercase; }
.oh-step__t { font-size: 13.5px; color: var(--oh-muted); line-height: 1.6; }

.oh-publisher { background: var(--oh-bg); }
.oh-publisher__panel { max-width: 720px; margin: 0 auto; padding: 0 28px 90px; }
.oh-publisher__row { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--oh-divider); align-items: baseline; }
.oh-publisher__k { font-family: 'Archivo Black'; font-size: 11px; letter-spacing: 2.4px; color: var(--oh-muted); text-transform: uppercase; }
.oh-publisher__v { font-size: 14.5px; color: var(--oh-ink); font-weight: 500; }

.oh-foot { border-top: 1px solid var(--oh-divider); background: var(--oh-bg); }
.oh-foot__inner { max-width: var(--oh-track-w); margin: 0 auto; padding: 22px 28px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.oh-foot__brand { font-family: 'Archivo Black'; font-size: 14px; letter-spacing: 2.4px; color: var(--oh-ink); }
.oh-foot__sep { flex: 1; height: 1px; background: var(--oh-divider); min-width: 40px; }
.oh-foot__link { font-family: 'Archivo Black'; font-size: 11px; letter-spacing: 1.8px; color: var(--oh-muted); text-transform: uppercase; transition: color .14s; }
.oh-foot__link:hover { color: var(--oh-accent); }

@media (max-width: 980px) {
  .oh-hero__inner { grid-template-columns: 1fr; padding-left: 28px; }
  .oh-hero__rail { display: none; }
  .oh-hero__art { max-width: 300px; justify-self: start; }
  .oh-tools__grid { grid-template-columns: 1fr; }
  .oh-tool { border-right: none; border-bottom: 1px solid var(--oh-divider); }
  .oh-tool:last-child { border-bottom: none; }
  .oh-steps { grid-template-columns: repeat(2, 1fr); }
  .oh-step:nth-child(2n) { border-right: none; }
  .oh-publisher__row { grid-template-columns: 1fr; gap: 4px; }
}
@media (max-width: 600px) {
  .oh-shell__inner { flex-wrap: wrap; gap: 14px; }
  .oh-nav { gap: 12px; flex-wrap: wrap; }
  .oh-steps { grid-template-columns: 1fr; }
  .oh-step { border-right: none; border-bottom: 1px solid var(--oh-divider); }
  .oh-step:last-child { border-bottom: none; }
}