*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

:root {
  --bg: #0c0d10;
  --bg-card: #111217;
  --bg-surface: #17181f;
  --border: rgba(255,255,255,0.07);
  --border-mid: rgba(255,255,255,0.12);
  --border-hi: rgba(255,255,255,0.2);
  --text: #eceae7;
  --text-muted: rgba(236,234,231,0.68);
  --text-dim: rgba(236,234,231,0.55);
  --accent: #7b5af5;
  --accent-hi: #9b80f8;
  --accent-dim: rgba(123,90,245,0.16);
  --accent-glow: rgba(123,90,245,0.28);
  --shadow: 0 0 52px rgba(123,90,245,0.13), inset 0 1px 0 rgba(255,255,255,0.04);
  --sans: "Archivo", sans-serif;
  --serif: "Instrument Serif", serif;
}

html { scroll-behavior: smooth; background: var(--bg); }
body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 7rem, rgba(123,90,245,0.16), transparent 32rem),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(0deg, rgba(255,255,255,0.03) 1px, transparent 1px) 0 0 / 72px 72px,
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
p { color: var(--text-muted); }

.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(12,13,16,0.82); border-bottom: 1px solid var(--border); backdrop-filter: blur(22px); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; font-weight: 800; letter-spacing: -0.03em; }
.brand-mark { width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; font-size: 0.72rem; }
.nav-links { display: flex; align-items: center; gap: 0.35rem; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { padding: 0.48rem 0.75rem; border-radius: 999px; color: var(--text-muted); font-size: 0.82rem; font-weight: 700; transition: color 0.18s, background 0.18s; }
.nav-links a:hover { background: rgba(255,255,255,0.06); color: var(--text); }

.hero { padding: 5.7rem 0 4rem; }
.eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; width: fit-content; padding: 0.46rem 0.78rem; border: 1px solid var(--line-strong); border-radius: 999px; background: rgba(255,253,248,0.7); color: var(--muted); font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr); align-items: center; gap: 3rem; }
h1 { max-width: 760px; margin-top: 1.3rem; font-family: var(--serif); font-size: clamp(4rem, 8.4vw, 8.2rem); font-weight: 400; line-height: 0.86; letter-spacing: -0.01em; }
.hero-copy { max-width: 670px; margin-top: 1.45rem; font-size: clamp(1.06rem, 2vw, 1.28rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0.85rem 1.2rem; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); color: #fff; font-weight: 800; box-shadow: 0 8px 30px var(--accent-glow); transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.btn:hover { transform: translateY(-1px); }
.btn:hover { background: var(--accent-hi); border-color: var(--accent-hi); }
.btn.secondary { background: transparent; color: var(--text); border-color: var(--border-mid); box-shadow: none; }
.btn.secondary:hover { background: rgba(255,255,255,0.05); border-color: var(--border-hi); }

.app-card { position: relative; padding: 1.1rem; border: 1px solid var(--border-mid); border-radius: 12px; background: var(--bg-card); box-shadow: var(--shadow); overflow: hidden; }
.window { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--bg-card); }
.window-bar { display: flex; align-items: center; gap: 0.45rem; padding: 0.72rem 0.9rem; border-bottom: 1px solid var(--border); background: var(--bg-surface); }
.dot { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.dot:nth-child(2) { background: #febc2e; }
.dot:nth-child(3) { background: #28c840; }
.window-title { margin-left: 0.45rem; color: var(--text-dim); font-size: 0.75rem; font-weight: 800; }
.drop-zone { margin: 1rem; min-height: 210px; display: grid; place-items: center; border: 2px dashed rgba(123,90,245,0.45); border-radius: 12px; background: var(--accent-dim); text-align: center; }
.drop-zone strong { display: block; font-family: var(--serif); font-size: 2rem; font-weight: 400; }
.drop-zone span { color: var(--text-muted); font-size: 0.9rem; }
.mini-list { display: grid; gap: 0.55rem; padding: 0 1rem 1rem; }
.mini-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.7rem 0.8rem; border: 1px solid var(--border); border-radius: 10px; color: var(--text-muted); font-size: 0.82rem; background: rgba(255,255,255,0.03); }
.mini-row b { color: var(--text); }

section { padding: 4rem 0; }
.section-head { max-width: 760px; margin-bottom: 1.8rem; }
.section-head h2 { font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 4.6rem); font-weight: 400; line-height: 0.95; }
.section-head p { margin-top: 0.85rem; font-size: 1.06rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.panel { padding: 1.35rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card); transition: background 0.18s, border-color 0.18s; }
.panel:hover { background: var(--bg-surface); border-color: var(--border-mid); }
.panel h3 { font-size: 1rem; margin-bottom: 0.5rem; }
.panel p, .panel li { font-size: 0.94rem; color: var(--text-muted); }
.panel ul { display: grid; gap: 0.42rem; padding-left: 1.1rem; }
.steps { counter-reset: step; display: grid; gap: 0.85rem; }
.step { counter-increment: step; display: grid; grid-template-columns: 42px 1fr; gap: 0.85rem; align-items: start; padding: 1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card); }
.step::before { content: counter(step); width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 900; }
.feature-table { width: 100%; border-collapse: collapse; overflow: hidden; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card); }
.feature-table th, .feature-table td { padding: 0.9rem 1rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.feature-table th { width: 32%; color: var(--text); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; }
.feature-table td { color: var(--text-muted); }
.related { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem; }
.related a { padding: 0.95rem; border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card); color: var(--text-muted); font-weight: 800; transition: color 0.18s, border-color 0.18s, background 0.18s; }
.related a:hover { color: var(--text); border-color: var(--border-hi); background: var(--bg-surface); }
.cta-band { margin: 2rem 0 0; padding: 2rem; border: 1px solid var(--border-mid); border-radius: 12px; background: var(--bg-card); color: var(--text); box-shadow: var(--shadow); }
.cta-band p { color: var(--text-muted); max-width: 720px; }
.cta-band .btn { margin-top: 1rem; }
.site-footer { padding: 2rem 0 3rem; color: var(--text-dim); border-top: 1px solid var(--border); }

@media (max-width: 860px) {
  .nav { align-items: flex-start; flex-direction: column; padding: 1rem 0; }
  .hero { padding-top: 3.5rem; }
  .hero-grid, .grid-3 { grid-template-columns: 1fr; }
  .related { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 28px, 1120px); }
  h1 { font-size: clamp(3.35rem, 17vw, 5rem); }
  .hero-actions, .btn { width: 100%; }
  .feature-table, .feature-table tbody, .feature-table tr, .feature-table th, .feature-table td { display: block; width: 100%; }
  .feature-table th { padding-bottom: 0.25rem; }
  .feature-table td { padding-top: 0.25rem; }
  .related { grid-template-columns: 1fr; }
}