/* n3o-slic3r landing page. Self-contained, no external fonts/CDNs. */
:root {
  --bg: #0a0e14;
  --bg-2: #0f131b;
  --panel: #141a24;
  --panel-2: #1a212d;
  --border: #232c3a;
  --text: #e8edf4;
  --text-dim: #9aa7b8;
  --text-mute: #6b7888;
  --accent: #34d399;
  --accent-2: #22d3ee;
  --accent-ink: #04130d;
  --radius: 14px;
  --maxw: 1140px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); font-size: 0.92em; color: var(--accent-2); }
.grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ───────────── Nav ───────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 5vw, 40px);
  background: color-mix(in oklab, var(--bg) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.brand img { border-radius: 7px; }
.nav-links { display: flex; gap: 26px; font-size: 14.5px; color: var(--text-dim); }
.nav-links a:hover { color: var(--text); }
@media (max-width: 620px) { .nav-links { display: none; } }

/* ───────────── Hero ───────────── */
.hero {
  position: relative;
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(56px, 9vw, 110px) clamp(16px, 5vw, 40px) 40px;
}
.hero-glow {
  position: absolute; inset: -10% -20% auto -20%; height: 620px; z-index: -1;
  background:
    radial-gradient(700px 320px at 22% 8%, color-mix(in oklab, var(--accent) 26%, transparent), transparent 70%),
    radial-gradient(640px 300px at 82% 0%, color-mix(in oklab, var(--accent-2) 22%, transparent), transparent 70%);
  filter: blur(8px); opacity: 0.7; pointer-events: none;
}
.eyebrow {
  display: inline-block; margin: 0 0 18px;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent); padding: 5px 11px; border: 1px solid color-mix(in oklab, var(--accent) 40%, var(--border));
  border-radius: 999px; background: color-mix(in oklab, var(--accent) 9%, transparent);
}
.hero h1 {
  margin: 0 0 22px; max-width: 17ch;
  font-size: clamp(34px, 6vw, 60px); line-height: 1.05; letter-spacing: -0.025em; font-weight: 800;
}
.lede { margin: 0 0 30px; max-width: 60ch; font-size: clamp(16px, 2vw, 19px); color: var(--text-dim); }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 11px; font-weight: 650; font-size: 15.5px;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-primary {
  color: var(--accent-ink);
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 30px -8px color-mix(in oklab, var(--accent) 60%, transparent);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 38px -8px color-mix(in oklab, var(--accent) 70%, transparent); }
.btn-ghost { color: var(--text); border: 1px solid var(--border); background: var(--panel); }
.btn-ghost:hover { border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); transform: translateY(-2px); }

.speaks-to { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: var(--text-mute); }
.speaks-label { color: var(--text-dim); margin-right: 2px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; color: var(--text);
  background: color-mix(in oklab, var(--c) 16%, var(--panel));
  border: 1px solid color-mix(in oklab, var(--c) 45%, var(--border));
}
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--c); }
.speaks-note { margin-left: 4px; }

.hero-shot {
  margin: 56px 0 0; padding: 0;
}
.hero-shot img, .shot img {
  width: 100%; display: block; border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: 0 40px 90px -40px rgba(0,0,0,0.9), 0 0 0 1px rgba(255,255,255,0.02) inset;
}
.hero-shot figcaption { margin-top: 12px; text-align: center; font-size: 13.5px; color: var(--text-mute); }
.hero-shot figcaption em, .shot em { color: var(--text-dim); font-style: italic; }

/* ───────────── Sections ───────────── */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(56px, 9vw, 100px) clamp(16px, 5vw, 40px); }
.section-alt { background: linear-gradient(180deg, transparent, var(--bg-2) 12%, var(--bg-2) 88%, transparent); max-width: none; }
.section-alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.section-head { max-width: 760px; margin-bottom: 48px; }
.kicker { margin: 0 0 12px; font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-2); }
.section-head h2 { margin: 0; font-size: clamp(26px, 4vw, 40px); line-height: 1.12; letter-spacing: -0.02em; font-weight: 800; }
.disclaimer { margin: 16px 0 0; font-size: 14px; color: var(--text-mute); }

/* ───────────── Philosophy pillars ───────────── */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 18px; }
.pillar {
  position: relative; padding: 26px 24px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.pillar:hover { border-color: color-mix(in oklab, var(--accent) 40%, var(--border)); transform: translateY(-3px); background: var(--panel-2); }
.pillar-num { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 14px; letter-spacing: 0.08em; }
.pillar h3 { margin: 0 0 10px; font-size: 19px; letter-spacing: -0.01em; }
.pillar p { margin: 0; color: var(--text-dim); font-size: 14.8px; }
.pillar em { color: var(--text); font-style: normal; font-weight: 600; }
.pillar-features { background: linear-gradient(160deg, color-mix(in oklab, var(--accent) 7%, var(--panel)), var(--panel)); }
.feature-list { margin: 4px 0 0; padding-left: 18px; color: var(--text-dim); font-size: 14.5px; }
.feature-list li { margin-bottom: 9px; }
.feature-list strong { color: var(--text); }

/* ───────────── Interface shots ───────────── */
.shots { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 22px; }
.shot { margin: 0; }
.shot figcaption { margin-top: 13px; font-size: 14px; color: var(--text-dim); }
.shot figcaption b { color: var(--text); }

/* ───────────── Install ───────────── */
.install { display: grid; grid-template-columns: 1.7fr 1fr; gap: 28px; align-items: start; }
@media (max-width: 820px) { .install { grid-template-columns: 1fr; } }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }
.steps li { display: flex; gap: 16px; padding: 20px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.step-n {
  flex: none; width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center; font-weight: 700; font-size: 15px;
  color: var(--accent-ink); background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.steps h4 { margin: 2px 0 4px; font-size: 16px; }
.steps p { margin: 0 0 12px; font-size: 14px; color: var(--text-dim); }
.code {
  position: relative; margin: 0; padding: 14px 56px 14px 14px;
  background: #0b0f16; border: 1px solid var(--border); border-radius: 10px;
  font-family: var(--mono); font-size: 13px; line-height: 1.5; color: #cfe7dd;
  overflow-x: auto; white-space: pre;
}
.copy {
  position: absolute; top: 9px; right: 9px;
  padding: 5px 9px; font-size: 11.5px; font-family: var(--mono);
  color: var(--text-dim); background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 7px; cursor: pointer; transition: all .15s ease;
}
.copy:hover { color: var(--text); border-color: color-mix(in oklab, var(--accent) 45%, var(--border)); }
.copy.ok { color: var(--accent); border-color: var(--accent); }
.aside { padding: 22px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.aside h4 { margin: 0 0 12px; font-size: 15px; }
.aside ul { margin: 0; padding-left: 18px; color: var(--text-dim); font-size: 14px; }
.aside li { margin-bottom: 10px; }

/* ───────────── Footer ───────────── */
.footer { border-top: 1px solid var(--border); margin-top: 40px; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 40px clamp(16px, 5vw, 40px); text-align: center; }
.footer-brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 700; margin-bottom: 12px; }
.footer-brand img { border-radius: 6px; }
.footer-meta { margin: 0 0 6px; font-size: 13.5px; color: var(--text-dim); }
.footer-note { margin: 0; font-size: 12.5px; color: var(--text-mute); }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}