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

:root {
  --bg: #000;
  --surface: #16181c;
  --border: #2f3336;
  --text: #f5f5f5;
  --text-muted: #71767b;
  --accent: #22c55e;
  --accent-dim: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.08);
  --accent-glow-strong: rgba(34, 197, 94, 0.18);
  --radius-sm: 8px;
  --font: 'Figtree', -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; transition: opacity 0.15s; }
a:hover { opacity: 0.85; }

/* ── Nav ──────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
}

.nav-brand { display: flex; align-items: center; }
.nav-brand:hover { opacity: 1; }
.nav-links { display: flex; align-items: center; }

/* ── Buttons ──────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: var(--font);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-sm {
  padding: 5px 16px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--accent);
  color: #000;
  border-radius: 6px;
}

.btn-sm:hover { background: var(--accent-dim); opacity: 1; }

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  opacity: 1;
  box-shadow: 0 0 24px rgba(34, 197, 94, 0.2);
}

.btn-icon {
  font-size: 0.8125rem;
  font-weight: 700;
  opacity: 0.6;
}

/* ── Hero ─────────────────────────────────────────────── */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 54px 24px 0;
  overflow: hidden;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(34, 197, 94, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 197, 94, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 0%, transparent 80%);
}

.hero-glow {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(34, 197, 94, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* ── Logo Mark ────────────────────────────────────────── */
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}

.logo-mark img {
  filter: drop-shadow(0 0 24px rgba(34, 197, 94, 0.35));
}

/* ── Heading ──────────────────────────────────────────── */
.hero h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
  background: linear-gradient(180deg, #ffffff 30%, rgba(255, 255, 255, 0.45) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Subtitle ─────────────────────────────────────────── */
.hero-sub {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 420px;
  margin-bottom: 40px;
  font-weight: 400;
}

/* ── Value Props ──────────────────────────────────────── */
.value-props {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
  text-align: left;
}

.prop {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.prop-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.prop-label::before {
  content: '';
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 10px;
  vertical-align: middle;
}

.prop-desc {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-muted);
}

/* ── Hero Actions ─────────────────────────────────────── */
.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ── Built-on footer ──────────────────────────────────── */
.built-on {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.built-on-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.5);
  flex-shrink: 0;
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 640px) {
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 0.9375rem; max-width: 300px; }
  .logo-mark img { width: 48px; height: 42px; }
  .logo-mark { margin-bottom: 24px; }
  .value-props { gap: 10px; }
  .prop { flex-direction: column; gap: 2px; }
  .prop-desc { padding-left: 15px; }
  .built-on { font-size: 0.6875rem; bottom: 20px; }
  .nav-inner { padding: 0 16px; }
}