/* ─── Reset & base ─────────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0d0f14;
  --color-surface: #161920;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-text: #e8eaf0;
  --color-muted: #7b8294;
  --color-accent: #4f8ef7;
  --color-accent-soft: rgba(79, 142, 247, 0.15);
  --font: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 0.75rem;
  --transition: 0.25s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font);
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
}

/* ─── Background decoration ────────────────────────────────────────────────── */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -20%, rgba(79, 142, 247, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 100% 100%, rgba(79, 142, 247, 0.07) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ─── Layout ────────────────────────────────────────────────────────────────── */
.container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  width: 100%;
  max-width: 760px;
  padding: 2rem 1.5rem;
  margin: 0 auto;
}

/* ─── Header / logo ─────────────────────────────────────────────────────────── */
.site-header {
  padding-block: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  user-select: none;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  border: 1px solid rgba(79, 142, 247, 0.3);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-family: "Courier New", monospace;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.logo-text strong {
  font-weight: 700;
}

/* ─── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  flex: 1;
  display: flex;
  align-items: center;
  padding-block: 3rem;
}

.hero-content {
  animation: fadeUp 0.7s var(--transition) both;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(79, 142, 247, 0.25);
  border-radius: 999px;
  padding: 0.25rem 0.875rem;
  margin-bottom: 1.5rem;
}

.headline {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.accent {
  color: var(--color-accent);
}

.tagline {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-muted);
  max-width: 520px;
}

/* ─── Redirect note ─────────────────────────────────────────────────────────── */
.redirect-note {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-muted);
  line-height: 1.6;
}

.redirect-link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  transition: border-color var(--transition), color var(--transition);
}

.redirect-link:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.7);
}

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.site-footer {
  padding-block: 1rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-muted);
}

/* ─── Animation ─────────────────────────────────────────────────────────────── */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Responsive ─────────────────────────────────────────────────────────────  */
@media (prefers-reduced-motion: reduce) {
  .hero-content {
    animation: none;
  }
}

@media (max-width: 480px) {
  .headline br {
    display: none;
  }
}