/* Remarque — marketing site.
   Matches the Forensic Intelligence subsite design system (Structa / Discographer):
   Tailwind-slate palette, blue-600 accent, system fonts, dark hero on a light page,
   automatic light/dark via prefers-color-scheme. */

:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --bg-card: #ffffff;
  --fg: #0f172a;
  --fg-soft: #64748b;
  --fg-muted: #94a3b8;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --accent-soft: rgba(37, 99, 235, 0.08);
  --hero-bg: #0f172a;
  --hero-fg: #f1f5f9;
  --hero-fg-muted: #94a3b8;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-lg: 20px;
  --max-w: 1140px;
  --max-w-readable: 760px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #111a2e;
    --bg-card: #131c30;
    --fg: #f1f5f9;
    --fg-soft: #94a3b8;
    --fg-muted: #64748b;
    --border: #1e293b;
    --border-strong: #334155;
    --accent: #60a5fa;
    --accent-strong: #93c5fd;
    --accent-soft: rgba(96, 165, 250, 0.12);
    --hero-bg: #050810;
    --hero-fg: #f1f5f9;
    --hero-fg-muted: #94a3b8;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .4em; }
h1 { font-size: clamp(2.4rem, 5vw, 3.6rem); font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 650; }
p { margin: 0 0 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
code { font-family: var(--mono); font-size: .9em; }

/* ---- Nav ---------------------------------------------------------------- */

.topnav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px;
  height: 60px; display: flex; align-items: center; gap: 24px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 1.05rem; color: var(--fg); letter-spacing: -0.01em;
}
.brand:hover { color: var(--fg); }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px;
  object-fit: contain; display: block;
}
.nav-links { display: flex; gap: 22px; margin-left: auto; }
.nav-links a { color: var(--fg-soft); font-size: .94rem; font-weight: 500; }
.nav-links a:hover { color: var(--fg); }
.nav-cta { margin-left: 4px; }

/* ---- Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 20px; border-radius: 10px;
  font-size: .95rem; font-weight: 600; letter-spacing: -0.01em;
  border: 1px solid transparent; cursor: pointer; transition: all .15s ease;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-strong); color: #fff; transform: translateY(-1px); }
.nav-cta.btn-primary { padding: 8px 16px; }
.btn-secondary { background: var(--bg-card); color: var(--fg); border-color: var(--border-strong); }
.btn-secondary:hover { color: var(--fg); border-color: var(--fg-soft); }
.btn-secondary.outline { background: transparent; }

/* ---- Hero --------------------------------------------------------------- */

.hero { background: var(--hero-bg); color: var(--hero-fg); padding: 84px 24px 96px; }
.hero-inner { max-width: var(--max-w-readable); margin: 0 auto; text-align: center; }
.hero h1 { color: var(--hero-fg); }
.hero-icon {
  width: 104px; height: 104px; object-fit: contain;
  margin: 0 auto 22px; display: block;
  filter: drop-shadow(0 12px 28px rgba(0, 0, 0, 0.45));
}
.hero-eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 700;
  color: var(--accent-strong); margin-bottom: 18px;
}
.hero .lede { color: var(--hero-fg-muted); font-size: 1.18rem; max-width: 640px; margin: 18px auto 0; }
.hero .lede code { color: var(--hero-fg); background: rgba(255,255,255,.08); padding: 1px 6px; border-radius: 5px; }
.hero-ctas { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 30px 0 16px; }
.hero-meta { color: var(--hero-fg-muted); font-size: .86rem; letter-spacing: .01em; }

/* Editor mockup */
.mockup {
  max-width: 720px; margin: 52px auto 0; text-align: left;
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(255,255,255,.1);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  background: var(--bg);
}
.mockup-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 14px; background: var(--bg-alt); border-bottom: 1px solid var(--border);
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot.red { background: #ff5f57; } .dot.amber { background: #febc2e; } .dot.green { background: #28c840; }
.mockup-title { margin-left: 10px; font-size: .8rem; color: var(--fg-muted); font-family: var(--mono); }
.mockup-body { display: grid; grid-template-columns: 1fr 1fr; }
.mockup-src {
  margin: 0; padding: 20px; font-family: var(--mono); font-size: .82rem; line-height: 1.7;
  color: var(--fg-soft); background: var(--bg); border-right: 1px solid var(--border);
  white-space: pre-wrap; overflow-x: auto;
}
.mockup-src .t-h { color: var(--accent); font-weight: 700; }
.mockup-src .t-b { color: var(--fg); font-weight: 700; }
.mockup-prev { padding: 20px 22px; background: var(--bg-card); }
.mockup-prev h3 { font-size: 1.15rem; margin-bottom: .5em; }
.mockup-prev p { font-size: .9rem; margin-bottom: .7rem; }
.mockup-prev mark { background: #fde68a; color: #422006; padding: 0 3px; border-radius: 3px; }
.mockup-prev .cl {
  border-left: 3px solid var(--accent); background: var(--accent-soft);
  padding: 8px 12px; border-radius: 0 8px 8px 0; margin-bottom: .8rem;
}
.mockup-prev .cl-title { font-weight: 700; color: var(--accent); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 2px; }
.mockup-prev .cl p { margin: 0; }
.mockup-prev table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.mockup-prev th, .mockup-prev td { border: 1px solid var(--border); padding: 5px 9px; }
.mockup-prev th { background: var(--bg-alt); }

/* ---- Sections ----------------------------------------------------------- */

section { padding: 80px 24px; }
section.alt { background: var(--bg-alt); }
.section-inner { max-width: var(--max-w); margin: 0 auto; }
.section-header { max-width: var(--max-w-readable); margin: 0 auto 48px; text-align: center; }
.section-eyebrow {
  text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 700;
  color: var(--accent); margin-bottom: 12px;
}
.lede { color: var(--fg-soft); font-size: 1.08rem; }
.section-header .lede { margin-top: 6px; }

/* ---- Feature grid ------------------------------------------------------- */

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .15s ease;
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.feature-card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-md); }
.feature-card.new { position: relative; }
.feature-card.new::after {
  content: "New"; position: absolute; top: 16px; right: 16px;
  font-size: .66rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em;
  color: var(--accent); background: var(--accent-soft); padding: 2px 8px; border-radius: 999px;
}
.feature-icon {
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 16px;
  border-radius: 11px; background: var(--accent-soft); color: var(--accent);
  font-size: 1.35rem; line-height: 1;
}
.feature-card h3 { margin-bottom: .35em; }
.feature-card p { color: var(--fg-soft); font-size: .94rem; margin: 0; }
.feature-card code { background: var(--accent-soft); color: var(--accent-strong); padding: 1px 5px; border-radius: 5px; }

/* ---- Syntax chips ------------------------------------------------------- */

.syntax-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.syntax-chip {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; text-align: center; box-shadow: var(--shadow-sm);
}
.syntax-chip code {
  display: block; font-size: .9rem; color: var(--accent-strong);
  background: var(--accent-soft); padding: 10px; border-radius: 8px; margin-bottom: 10px;
}
.syntax-chip span { font-size: .85rem; color: var(--fg-soft); font-weight: 500; }

/* ---- Export formats ----------------------------------------------------- */

.format-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.format {
  background: var(--bg-card); border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 10px 20px; font-size: .95rem; font-weight: 600; color: var(--fg);
  box-shadow: var(--shadow-sm); font-family: var(--mono);
}

/* ---- CTA band ----------------------------------------------------------- */

.cta-band { text-align: center; }
.cta-band .section-inner { max-width: var(--max-w-readable); }
.cta-band .lede { margin-bottom: 26px; }
.cta-band .hero-ctas { justify-content: center; }

/* ---- Footer ------------------------------------------------------------- */

footer { border-top: 1px solid var(--border); padding: 40px 24px; background: var(--bg-alt); }
.footer-inner { max-width: var(--max-w); margin: 0 auto; text-align: center; }
.footer-links { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.footer-links a { color: var(--fg-soft); font-size: .9rem; font-weight: 500; }
.footer-links a:hover { color: var(--fg); }
.credit { color: var(--fg-muted); font-size: .82rem; margin: 0; }

/* ---- Responsive --------------------------------------------------------- */

@media (max-width: 880px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .syntax-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .nav-links { display: none; }
  .hero { padding: 60px 20px 70px; }
  .mockup-body { grid-template-columns: 1fr; }
  .mockup-src { border-right: none; border-bottom: 1px solid var(--border); }
  .feature-grid, .syntax-grid { grid-template-columns: 1fr; }
  section { padding: 60px 20px; }
}