/* ============================================================
   Acme Landing — Main Stylesheet
   Theme: dark, acid-yellow accent, Syne + Satoshi
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&display=swap');

/* Satoshi via CDN (Fontshare) */
@import url('https://api.fontshare.com/v2/css?f[]=satoshi@400,500&display=swap');

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

:root {
  --bg:         #0a0a0a;
  --bg-card:    #131313;
  --border:     #222;
  --text:       #f0f0f0;
  --muted:      #888;
  --accent:     #d4ff00;
  --accent-dim: #b8e000;
  --radius:     10px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Nav -------------------------------------------------- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav-cta {
  background: var(--accent);
  color: #0a0a0a;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 9px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.15s;
}
.nav-cta:hover { background: var(--accent-dim); }

/* ---- Hero ------------------------------------------------- */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 100px 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(212,255,0,0.1);
  border: 1px solid rgba(212,255,0,0.25);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 28px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.hero h1 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 760px;
  margin-bottom: 20px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero-sub {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 540px;
  margin-bottom: 48px;
}

/* ---- Waitlist Form ---------------------------------------- */
.waitlist-form {
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 460px;
  flex-wrap: wrap;
  justify-content: center;
}

.waitlist-form input[type="email"] {
  flex: 1;
  min-width: 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 14px 18px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s;
}

.waitlist-form input[type="email"]:focus {
  border-color: var(--accent);
}

.waitlist-form input[type="email"]::placeholder { color: var(--muted); }

.waitlist-form button {
  background: var(--accent);
  color: #0a0a0a;
  font-family: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, transform 0.1s;
}

.waitlist-form button:hover { background: var(--accent-dim); }
.waitlist-form button:active { transform: scale(0.98); }
.waitlist-form button:disabled { opacity: 0.6; cursor: default; }

.form-message {
  margin-top: 14px;
  font-size: 0.9rem;
  min-height: 22px;
  color: var(--muted);
  text-align: center;
}
.form-message.success { color: var(--accent); }
.form-message.error   { color: #ff6b6b; }

/* ---- Features --------------------------------------------- */
.features-section {
  padding: 0 40px 80px;
}

.features-header {
  text-align: center;
  margin-bottom: 48px;
}

.features-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.features-header h2 em {
  font-style: normal;
  color: var(--accent);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.feature-tile {
  background: var(--bg-card);
  padding: 36px 32px;
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.feature-tile h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.feature-tile p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* ---- Social proof ----------------------------------------- */
.social-proof {
  text-align: center;
  padding: 0 24px 80px;
}

.social-proof p {
  color: var(--muted);
  font-size: 0.875rem;
  margin-bottom: 20px;
}

.avatars {
  display: inline-flex;
  gap: -8px;
  margin-bottom: 10px;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  margin-left: -8px;
}
.avatar:first-child { margin-left: 0; }

/* ---- Footer ----------------------------------------------- */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

footer .logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
}

footer p {
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-link {
  color: var(--muted);
  font-size: 0.8rem;
  text-decoration: none;
  transition: color 0.15s;
}

.footer-link:hover {
  color: var(--accent);
}

/* ---- Responsive ------------------------------------------- */
@media (max-width: 640px) {
  nav { padding: 16px 20px; }
  .hero { padding: 64px 20px 56px; }
  .features-section { padding: 0 20px 60px; }
  footer { padding: 24px 20px; flex-direction: column; align-items: flex-start; }
  .footer-links { margin-top: 4px; }
}