/* ============================================================
   chr-z.dev — dark theme, mobile-first, zero dependencies
   Palette: bg #0b0b12 · surface #14141f · accent #7C3AED → #F97316
   ============================================================ */

:root {
  --bg: #0b0b12;
  --surface: #14141f;
  --surface-2: #1b1b29;
  --border: rgba(255, 255, 255, 0.09);
  --text: #e9e9f2;
  --muted: #a3a3b8;
  --violet: #7c3aed;
  --orange: #f97316;
  --grad: linear-gradient(90deg, var(--violet), var(--orange));
  --radius: 14px;
  --container: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; }

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Accessibility ---------- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  z-index: 100;
  background: var(--surface-2);
  padding: 0.5rem 1rem;
  border-radius: 8px;
}
.skip-link:focus { left: 0.5rem; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 11, 18, 0.82);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.8rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  transition: color 160ms ease, background-color 160ms ease;
}
.nav-links a:hover { color: var(--text); background: var(--surface); }
.nav-links a[aria-current="page"] { color: var(--text); background: var(--surface-2); }

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.lang-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}
.lang-btn[aria-pressed="true"] {
  background: var(--grad);
  color: #fff;
  font-weight: 600;
}

/* ---------- Hero ---------- */
.hero { padding-block: 4.5rem 2.5rem; max-width: 46rem; }

.badge {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(249, 115, 22, 0.35);
  background: rgba(249, 115, 22, 0.08);
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.3rem, 7vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.page-head .hero-title { font-size: clamp(1.9rem, 5.5vw, 3rem); }

.hero-sub {
  margin-top: 1.25rem;
  color: var(--muted);
  font-size: clamp(1rem, 2.5vw, 1.15rem);
  max-width: 42rem;
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.75rem;
  flex-wrap: wrap;
}

/* ---------- Stats ---------- */
.stats, .stats-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-top: 2.5rem;
}
@media (min-width: 640px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stats-row { grid-template-columns: repeat(3, 1fr); }
}

.stat { border-left: 3px solid; border-image: var(--grad) 1; padding-left: 1rem; }
.stat-num { font-size: 2.2rem; font-weight: 800; line-height: 1.1; }
.stat dd { color: var(--muted); font-size: 0.92rem; }

.stats-row { margin-top: 0; }
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.stat-big { font-size: 1.9rem; font-weight: 800; line-height: 1.1; }

/* ---------- Sections ---------- */
.section { padding-block: 2.75rem; }

.kicker {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: clamp(1.45rem, 4vw, 2rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.link-arrow {
  color: var(--orange);
  text-decoration: none;
  font-size: 0.95rem;
}
.link-arrow:hover { text-decoration: underline; }

.section p { color: var(--muted); max-width: 44rem; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 800px) {
  .about-grid { grid-template-columns: 1.6fr 1fr; }
}

.skills-title { font-size: 1rem; margin-bottom: 0.75rem; }

.chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chips li {
  font-size: 0.82rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
}

/* ---------- Cards & grids ---------- */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 700px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: transform 180ms ease, border-color 180ms ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(124, 58, 237, 0.55); }

.card h3 { font-size: 1.12rem; letter-spacing: -0.01em; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { color: var(--orange); }
.card > p { margin-top: 0.5rem; font-size: 0.95rem; }

.card-wide { grid-column: 1 / -1; }

.card-accent {
  position: relative;
  overflow: hidden;
}
.card-accent::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad);
}

.tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.9rem;
}
.tags li {
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.18rem 0.6rem;
}

.note { margin-top: 1.25rem; font-size: 0.88rem; }

/* ---------- Feature list (solaris) ---------- */
.feature-list {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  margin-top: 0.5rem;
}
.feature-list li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--violet);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  color: var(--muted);
  font-size: 0.97rem;
}
.feature-list strong { color: var(--text); }

/* ---------- Solaris strip / CTA ---------- */
.solaris-strip {
  background:
    radial-gradient(60rem 20rem at 15% 120%, rgba(124, 58, 237, 0.28), transparent),
    radial-gradient(50rem 18rem at 95% -30%, rgba(249, 115, 22, 0.22), transparent),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2.25rem 1.75rem;
}
.solaris-strip p { max-width: 40rem; }
.solaris-strip .btn { margin-top: 1.25rem; }

.cta-box {
  background:
    radial-gradient(45rem 16rem at 80% -50%, rgba(124, 58, 237, 0.3), transparent),
    radial-gradient(40rem 14rem at 10% 130%, rgba(249, 115, 22, 0.25), transparent),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 2.25rem 1.75rem;
  text-align: center;
}
.cta-box .section-title { margin-bottom: 0.5rem; }
.cta-box p { margin-inline: auto; }
.cta-box .btn { margin-top: 1.5rem; }

.contact-card .btn { margin-top: 1.1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border-radius: 999px;
  padding: 0.72rem 1.5rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 26px rgba(124, 58, 237, 0.35);
}
.btn-primary:hover { box-shadow: 0 10px 32px rgba(249, 115, 22, 0.35); }

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--violet); background: var(--surface); }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  padding-block: 2.25rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-inner {
  display: grid;
  gap: 0.9rem;
  justify-items: center;
  text-align: center;
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; justify-content: center; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--text); }
.brand-small { font-weight: 600; color: var(--text); }
.footer-copy { opacity: 0.75; font-size: 0.82rem; }

/* ---------- Reveal animation (opt-out via reduced motion) ---------- */
.js-enabled .reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 500ms ease, transform 500ms ease;
}
.js-enabled .reveal.reveal-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
  .js-enabled .reveal { opacity: 1; transform: none; }
}

/* pricing & product cards */
.pricing{margin-top:10px;font-size:.8rem;color:var(--mut);line-height:1.5}
.pricing strong{color:var(--tx)}
.chip-live{display:inline-block;margin-left:6px;padding:2px 8px;border-radius:10px;font-size:.65rem;font-weight:700;letter-spacing:.5px;background:#052e1b;color:#34d399;border:1px solid #34d39944;vertical-align:middle}
.src-link{display:inline-block;margin-top:6px;font-size:.75rem;color:var(--mut);text-decoration:none;border-bottom:1px dotted var(--mut)}
.src-link:hover{color:var(--acc);border-color:var(--acc)}