:root {
  --graphite: #25282c;
  --dark: #181b1e;
  --orange: #f97316;
  --orange-dark: #c2410c;
  --soft: #f5f5f4;
  --line: #d9dde1;
  --white: #fff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--graphite); background: var(--white); font: 16px/1.55 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.landing-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.landing-header__inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.landing-logo { width: 250px; height: 56px; background: url("assets/logo-graphite-orange.png") left center/contain no-repeat; }
.landing-header small { color: #646b72; font-weight: 650; }
.landing-hero { color: var(--white); background: radial-gradient(circle at 85% 15%, rgba(249,115,22,.45), transparent 30%), linear-gradient(135deg, var(--dark), #343a40); padding: 76px 0; }
.landing-hero__grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 55px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: #fdba74; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
h1 { max-width: 820px; margin: 0; font-size: clamp(2.25rem, 5vw, 4.6rem); line-height: 1.02; letter-spacing: -.04em; }
.lead { max-width: 740px; margin: 24px 0 30px; color: #e5e7eb; font-size: 1.18rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 12px 22px; border: 0; border-radius: 12px; font-weight: 850; }
.button--primary { color: var(--white); background: var(--orange); }
.button--primary:hover { background: var(--orange-dark); }
.button--secondary { margin-left: 10px; color: var(--white); border: 1px solid #656b70; }
.hero-card { padding: 26px; color: var(--graphite); background: var(--white); border-radius: 20px; box-shadow: 0 24px 60px rgba(0,0,0,.24); }
.hero-card strong { display: block; margin-bottom: 14px; font-size: 1.3rem; }
.hero-card ul { margin: 0; padding-left: 20px; }
.section { padding: 72px 0; }
.section--soft { background: var(--soft); }
.section h2 { margin: 0 0 12px; font-size: clamp(1.8rem, 3vw, 2.7rem); }
.section-intro { max-width: 760px; margin: 0 0 30px; color: #646b72; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; }
.card b { display: block; margin-bottom: 8px; color: var(--orange-dark); font-size: 1.06rem; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { position: relative; padding: 24px 20px 20px; border-top: 3px solid var(--orange); background: var(--white); }
.step::before { counter-increment: step; content: counter(step); display: grid; width: 30px; height: 30px; margin-bottom: 14px; place-items: center; color: var(--white); background: var(--orange); border-radius: 50%; font-weight: 900; }
.cta { padding: 38px; color: var(--white); background: var(--graphite); border-radius: 22px; }
.cta h2 { margin-top: 0; }
.notice { margin-top: 18px; color: #c9cdd1; font-size: .9rem; }
.landing-footer { padding: 30px 0; color: #656b70; border-top: 1px solid var(--line); font-size: .9rem; }
.landing-footer__inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.landing-footer a { text-decoration: underline; }

@media (max-width: 800px) {
  .landing-header small { display: none; }
  .landing-logo { width: 220px; }
  .landing-hero { padding: 52px 0; }
  .landing-hero__grid, .cards, .steps { grid-template-columns: 1fr; }
  .button { width: 100%; }
  .button--secondary { margin: 10px 0 0; }
}