:root {
  --bg: #0d0d12;
  --bg-alt: #131320;
  --surface: #1a1a28;
  --surface-2: #20203200;
  --border: #2a2a3d;
  --text: #ececf3;
  --text-dim: #a6a6bd;
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  --accent-ink: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
  --wrap: 1080px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "SF Mono", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7fb;
    --bg-alt: #eeeef5;
    --surface: #ffffff;
    --border: #e2e2ee;
    --text: #16161f;
    --text-dim: #55556b;
    --accent: #7c3aed;
    --accent-2: #6d28d9;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

.wrap.narrow { max-width: 720px; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { left: 12px; top: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-image: url("assets/branding/salvo-circle-icon-final.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  box-shadow: 0 0 0 1px rgba(130, 208, 231, 0.55), 0 8px 22px rgba(41, 146, 188, 0.18);
}
.brand-name { font-size: 1.15rem; }

.brand-wordmark {
  display: block;
  height: 20px;
  width: auto;
}

.hero-logo-wrap {
  position: relative;
  margin: 32px auto 0;
  width: min(42vw, 340px);
  aspect-ratio: 1628 / 1616;
  filter: drop-shadow(0 24px 48px rgba(20, 112, 150, 0.28));
}

.hero-logo {
  position: absolute;
  left: 22.8%;
  top: 22.3%;
  width: 54.6%;
  height: 55.3%;
  display: block;
  object-fit: cover;
  border-radius: 4px;
}

.hero-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  pointer-events: none;
}
.site-nav { display: flex; gap: 24px; }
.site-nav a { color: var(--text-dim); font-size: 0.95rem; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

@media (max-width: 640px) {
  .site-nav { display: none; }
}

/* Hero */
.hero {
  padding: 80px 0 40px;
  background:
    radial-gradient(60% 50% at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
}
.hero-inner { text-align: center; }
.eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  border-radius: 999px;
}
.hero-title {
  margin: 0 auto 20px;
  max-width: 16ch;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero-sub {
  margin: 0 auto 32px;
  max-width: 56ch;
  font-size: 1.12rem;
  color: var(--text-dim);
}
.hero-sub strong { color: var(--text); font-weight: 600; }

.cta-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: 1px solid transparent;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
}
.btn-primary:hover { filter: brightness(1.05); }
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.btn-secondary:hover { border-color: var(--accent); }
.cta-note {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* Demo slot */
.demo {
  margin: 56px auto 0;
  max-width: 880px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, var(--surface), var(--bg-alt));
  overflow: hidden;
}
.demo-inner {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 22px, color-mix(in srgb, var(--accent) 8%, transparent) 22px 23px);
}
.demo-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* Sections */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); }
.section-title {
  margin: 0 0 36px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  text-align: center;
}

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.card {
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.card h3 { margin: 0 0 8px; font-size: 1.1rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.98rem; }

/* Steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  max-width: 640px;
  margin: 0 auto;
}
.steps li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1.05rem;
}
.step-n {
  flex: none;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-weight: 700;
}

.prose { color: var(--text-dim); text-align: center; font-size: 1.05rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  background: var(--bg-alt);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}
.footer-brand { margin: 0; font-weight: 700; }
.footer-nav { display: flex; gap: 20px; }
.footer-nav a { color: var(--text-dim); font-size: 0.95rem; }
.footer-copy { margin: 0; font-size: 0.85rem; color: var(--text-dim); }

/* Legal pages */
.legal { padding: 64px 0 80px; }
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); letter-spacing: -0.02em; margin: 0 0 8px; }
.legal .updated { color: var(--text-dim); font-size: 0.9rem; margin: 0 0 32px; }
.legal h2 { margin: 32px 0 10px; font-size: 1.25rem; letter-spacing: -0.01em; }
.legal p, .legal li { color: var(--text-dim); }
.legal a { color: var(--accent-2); }
.legal .back { display: inline-block; margin-bottom: 24px; font-size: 0.95rem; }