:root {
  --bg: #0d1017;
  --bg-soft: #151d2c;
  --text: #f5f7fb;
  --muted: #a9b1c4;
  --line: #2f3a52;
  --sun: #f7c66f;
  --mint: #6fd8bf;
  --sky: #70b7ff;
  --punch: #ff7f6f;
  --card: rgba(20, 26, 40, 0.72);
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 15% 20%, #1b2e4a, var(--bg) 40%), radial-gradient(circle at 80% 85%, #1b3e34, transparent 36%), var(--bg);
  line-height: 1.5;
  overflow-x: hidden;
}

.bg-aurora {
  position: fixed;
  inset: -20% -20% auto -20%;
  height: 75vh;
  z-index: -1;
  background: radial-gradient(circle at 20% 35%, rgba(247, 198, 111, 0.22), transparent 42%), radial-gradient(circle at 70% 20%, rgba(112, 183, 255, 0.22), transparent 36%), radial-gradient(circle at 50% 65%, rgba(111, 216, 191, 0.2), transparent 38%);
  filter: blur(8px);
}

.site-header, main, .site-footer { width: min(1080px, 92vw); margin: 0 auto; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
  z-index: 3;
}

.brand { display: inline-flex; align-items: center; gap: 0.6rem; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 0.03em; }
.cat { font-family: "JetBrains Mono", monospace; color: var(--sun); }

nav { display: flex; gap: 1rem; flex-wrap: wrap; }
nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
nav a.active, nav a:hover, nav a:focus-visible { color: var(--text); }

.hero { padding: 4.8rem 0 2.4rem; }
.hero.compact { padding-top: 3rem; }
.hero-split { display: grid; gap: 1.2rem; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); align-items: center; }
.hero-mark-wrap { display: flex; justify-content: center; }
.hero-mark { width: min(440px, 100%); opacity: 0.96; }

.tag { font-family: "JetBrains Mono", monospace; color: var(--mint); margin: 0; }
h1, h2, h3 { line-height: 1.15; }
h1 { font-size: clamp(2rem, 5.8vw, 4rem); margin: 0.7rem 0 1rem; max-width: 20ch; }
.accent { color: var(--sun); }

.lede { max-width: 68ch; font-size: 1.08rem; color: var(--muted); margin: 0; }
.lede.small { margin-bottom: 1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.4rem; }

.btn {
  display: inline-block;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}

.btn.primary { background: linear-gradient(135deg, var(--sun), var(--punch)); color: #1b130a; }
.btn.ghost { border-color: var(--line); color: var(--text); background: rgba(255, 255, 255, 0.04); }

.panel, .cta {
  margin-top: 1.8rem;
  background: var(--card);
  border: 1px solid rgba(171, 189, 225, 0.18);
  border-radius: 18px;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.thanks { margin-top: 4rem; }
h2 { margin: 0 0 1rem; font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { margin: 0 0 0.45rem; }

.grid { display: grid; gap: 0.9rem; }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

article { padding: 0.9rem; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, 0.02); }
article p { margin: 0; color: var(--muted); }

.contact-form { display: grid; gap: 0.85rem; max-width: 760px; }
.contact-form label { display: grid; gap: 0.35rem; font-weight: 500; }
.contact-form input, .contact-form textarea, .contact-form select {
  background: rgba(8, 12, 22, 0.88);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 0.7rem;
  font: inherit;
}

.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus {
  outline: 2px solid rgba(111, 216, 191, 0.45);
  border-color: transparent;
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.form-note { color: var(--muted); margin-top: 0.3rem; font-size: 0.92rem; }
.legal-body h3 { margin-top: 1.1rem; }
.legal-body p { color: var(--muted); margin: 0.3rem 0 0; }

.site-footer { padding: 1.6rem 0 2.6rem; color: var(--muted); font-size: 0.95rem; }
.site-footer p { display: flex; gap: 0.9rem; align-items: center; flex-wrap: wrap; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover, .site-footer a:focus-visible { color: var(--text); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-split { grid-template-columns: 1fr; }
  .hero-mark { width: min(360px, 88%); }
}

@media (max-width: 860px) {
  .site-header { flex-direction: column; gap: 0.8rem; align-items: flex-start; }
  .grid.four, .grid.three, .grid.two { grid-template-columns: 1fr; }
  .hero { padding-top: 3rem; }
}