/* Caroline — marketing site. Iron Man / HUD visual language.
   No SVG, no emoji anywhere — icons and accents are pure CSS (clip-path,
   borders, gradients) or plain typographic characters. */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500;700;900&family=Inter:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

:root {
  --bg: #05070c;
  --bg-1: #090d15;
  --bg-panel: #0b111c;
  --bg-panel-2: #0f1826;
  --cyan: #3ddcff;
  --cyan-soft: #8fe9ff;
  --cyan-dim: #1c5f73;
  --red: #ff3b3f;
  --gold: #f0b429;
  --text: #eef4fb;
  --text-dim: #9fb0c3;
  --text-faint: #5d6d82;
  --border: rgba(61, 220, 255, 0.28);
  --border-strong: rgba(61, 220, 255, 0.55);
  --font-display: 'Orbitron', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'Share Tech Mono', 'Consolas', monospace;
  --maxw: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  background-image:
    radial-gradient(ellipse 900px 500px at 15% -10%, rgba(61,220,255,0.10), transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(255,59,63,0.06), transparent 55%),
    repeating-linear-gradient(0deg, rgba(61,220,255,0.035) 0px, rgba(61,220,255,0.035) 1px, transparent 1px, transparent 42px),
    repeating-linear-gradient(90deg, rgba(61,220,255,0.035) 0px, rgba(61,220,255,0.035) 1px, transparent 1px, transparent 42px);
  background-attachment: fixed, fixed, fixed, fixed;
}

img { max-width: 100%; display: block; }
a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan-soft); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 900; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1.1em; color: var(--text-dim); }
p.lead { color: var(--text); font-size: 1.15rem; }

.eyebrow {
  font-family: var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.78rem;
  display: inline-block;
  margin-bottom: 0.9em;
}
.eyebrow::before { content: "// "; color: var(--text-faint); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; position: relative; }
.section.tight { padding: 56px 0; }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,7,12,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; max-width: 1280px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 34px; width: 34px; }
.brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 1.05rem;
  color: var(--text); letter-spacing: 0.04em;
}
.brand-name span { color: var(--cyan); }

.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--text-dim);
  padding: 8px 14px; border: 1px solid transparent; border-radius: 2px;
  transition: color .15s, border-color .15s, background .15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--cyan); border-color: var(--border); background: rgba(61,220,255,0.06);
}
.nav-cta {
  font-family: var(--font-mono) !important; font-size: 0.78rem !important;
  color: var(--bg) !important; background: var(--cyan) !important;
  border-color: var(--cyan) !important; font-weight: 700;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--cyan-soft) !important; }

.nav-toggle { display: none; }
.nav-toggle-label {
  display: none; width: 32px; height: 24px; position: relative; cursor: pointer;
}
.nav-toggle-label span, .nav-toggle-label::before, .nav-toggle-label::after {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; background: var(--cyan);
}
.nav-toggle-label::before { top: 0; }
.nav-toggle-label span { top: 11px; }
.nav-toggle-label::after { bottom: 0; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.05em;
  text-transform: uppercase; display: inline-block; padding: 13px 26px;
  color: var(--cyan); border: 1px solid var(--border-strong);
  background: rgba(61,220,255,0.05);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: background .15s, color .15s, transform .1s;
}
.btn:hover { background: rgba(61,220,255,0.14); color: var(--cyan-soft); }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--cyan); color: #04121a; font-weight: 700; border-color: var(--cyan);
}
.btn-primary:hover { background: var(--cyan-soft); color: #04121a; }
.btn-red { border-color: rgba(255,59,63,0.55); color: var(--red); background: rgba(255,59,63,0.06); }
.btn-red:hover { background: rgba(255,59,63,0.16); color: #ff8184; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- HUD panel ---------- */
.hud-panel {
  position: relative; background: var(--bg-panel);
  border: 1px solid var(--border); padding: 28px;
}
.hud-panel::before, .hud-panel::after,
.hud-panel .corner-tl, .hud-panel .corner-br { content: ""; position: absolute; width: 16px; height: 16px; }
.hud-panel::before { top: -1px; left: -1px; border-top: 2px solid var(--cyan); border-left: 2px solid var(--cyan); }
.hud-panel::after { bottom: -1px; right: -1px; border-bottom: 2px solid var(--cyan); border-right: 2px solid var(--cyan); }

.hud-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 0.72rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold);
  border: 1px solid rgba(240,180,41,0.4); padding: 3px 9px; margin-bottom: 10px;
}

/* ---------- hero ---------- */
.hero {
  padding: 96px 0 72px; display: grid; grid-template-columns: 1.1fr 0.9fr;
  gap: 40px; align-items: center;
}
.hero .cutout-figure { position: relative; }
.hero .cutout-figure img {
  filter: drop-shadow(0 0 40px rgba(61,220,255,0.25));
}
.hero-stats { display: flex; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.hero-stat { font-family: var(--font-mono); }
.hero-stat .n { color: var(--cyan); font-size: 1.3rem; display: block; }
.hero-stat .l { color: var(--text-faint); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }

/* ---------- cards / grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }

.card {
  background: var(--bg-panel); border: 1px solid var(--border); padding: 26px;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card h3 { color: var(--text); margin-bottom: 0.4em; }
.card p { margin-bottom: 0; font-size: 0.94rem; }

.usecase-card {
  background: var(--bg-panel); border: 1px solid var(--border); overflow: hidden;
  display: flex; flex-direction: column; transition: border-color .15s, transform .15s;
}
.usecase-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.usecase-card .thumb { aspect-ratio: 16/9; overflow: hidden; }
.usecase-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.usecase-card .body { padding: 20px 22px 24px; }
.usecase-card h3 { margin-bottom: 6px; }
.usecase-card p { font-size: 0.92rem; margin-bottom: 12px; }
.usecase-card .go { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }

/* ---------- banner figure (scenario illustration + caption) ---------- */
.scenario {
  display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center;
  padding: 56px 0;
}
.scenario.reverse { direction: rtl; }
.scenario.reverse > * { direction: ltr; }
.scenario figure { margin: 0; border: 1px solid var(--border); background: var(--bg-panel); }
.scenario figure img { width: 100%; }
.scenario figcaption {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-faint);
  padding: 10px 14px; border-top: 1px solid var(--border); letter-spacing: 0.04em;
}

/* ---------- manifesto quote blocks ---------- */
.quote-block {
  border-left: 2px solid var(--cyan); padding: 4px 0 4px 26px; margin: 28px 0;
}
.quote-block p { color: var(--text); font-size: 1.15rem; font-style: normal; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 32px; margin-top: 60px; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--text-faint); margin-bottom: 14px;
}
.footer-col a { display: block; color: var(--text-dim); font-size: 0.92rem; margin-bottom: 8px; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  max-width: 1280px; margin: 32px auto 0; padding: 20px 24px 0; border-top: 1px solid rgba(61,220,255,0.12);
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-faint);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ---------- misc ---------- */
.divider { height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); margin: 0; }
.tag-row { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-dim);
  border: 1px solid var(--border); padding: 4px 10px; letter-spacing: 0.04em;
}
.center { text-align: center; }
.mt-0 { margin-top: 0; }

table.spec { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.spec th, table.spec td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border); }
table.spec th { font-family: var(--font-mono); color: var(--text-faint); font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.75rem; }

details.faq { border-bottom: 1px solid var(--border); padding: 18px 0; }
details.faq summary {
  cursor: pointer; font-family: var(--font-display); font-size: 1.02rem; color: var(--text);
  list-style: none;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: "+ "; color: var(--cyan); font-family: var(--font-mono); }
details.faq[open] summary::before { content: "- "; }
details.faq p { margin-top: 12px; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 56px; }
  .hero .cutout-figure { order: -1; max-width: 280px; margin: 0 auto; }
  .grid-3, .grid-2, .grid-5 { grid-template-columns: 1fr 1fr; }
  .scenario, .scenario.reverse { grid-template-columns: 1fr; direction: ltr; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0;
    height: calc(100vh - 72px);
    background: var(--bg); flex-direction: column; align-items: stretch;
    padding: 20px; gap: 8px; transform: translateX(100%);
    transition: transform .2s; overflow-y: auto;
  }
  .nav-toggle:checked ~ .nav-links { transform: translateX(0); }
  .nav-links a { padding: 14px; text-align: center; }
  .nav-toggle-label { display: block; }
}
@media (max-width: 560px) {
  .grid-3, .grid-2, .grid-5 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
}