/* Runtrack — trail-running aesthetic: dark earth, amber accents, Fraunces + Satoshi */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,500;0,9..144,700;1,9..144,400&family=Satoshi:wght@400;500;700&display=swap');

:root {
  --bg:         #0d0c0a;
  --bg-2:       #131210;
  --bg-card:    #1a1814;
  --border:     rgba(212, 168, 83, 0.15);
  --amber:      #d4a853;
  --amber-dim:  #a0823e;
  --text:       #e8e0d4;
  --text-mid:   #c8bfb4;
  --text-muted: #7a7060;
  --green:      #4caf7a;
  --red:        #e05c5c;
  --radius:     6px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Satoshi', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Typography ───────────────────────────────────────── */

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  color: var(--text);
}

p { margin: 0; }

a { color: var(--amber); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ───────────────────────────────────────────── */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Nav ──────────────────────────────────────────────── */

nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(13, 12, 10, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.3px;
}

.nav-cta {
  font-size: 13px;
  font-weight: 700;
  color: var(--bg);
  background: var(--amber);
  padding: 7px 18px;
  border-radius: var(--radius);
  text-decoration: none;
  letter-spacing: 0.3px;
  transition: background 0.2s;
}
.nav-cta:hover { background: #c49644; text-decoration: none; }

/* ── Hero ─────────────────────────────────────────────── */

.hero {
  padding: 140px 24px 100px;
  max-width: 760px;
  margin: 0 auto;
  text-align: left;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 24px;
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 100px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 300;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  color: #f2ede6;
}

.hero h1 em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 18px;
  color: var(--text-mid);
  max-width: 540px;
  line-height: 1.65;
  margin-bottom: 40px;
}

/* ── Email Form ───────────────────────────────────────── */

.signup-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 500px;
}

.signup-form input[type="email"] {
  flex: 1 1 260px;
  background: var(--bg-card);
  border: 1px solid rgba(212, 168, 83, 0.3);
  color: var(--text);
  font-family: 'Satoshi', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.signup-form input[type="email"]::placeholder { color: var(--text-muted); }
.signup-form input[type="email"]:focus { border-color: var(--amber); }

.btn-primary {
  background: var(--amber);
  color: #0d0c0a;
  font-family: 'Satoshi', sans-serif;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  letter-spacing: 0.2px;
  transition: background 0.2s, transform 0.1s;
  white-space: nowrap;
}
.btn-primary:hover { background: #c49644; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.form-msg {
  margin-top: 12px;
  font-size: 14px;
  min-height: 20px;
  transition: opacity 0.25s;
}
.form-msg.success { color: var(--green); }
.form-msg.error   { color: var(--red); }
.form-msg.dup     { color: var(--amber); }

/* ── Section divider ──────────────────────────────────── */

.section-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0;
}

/* ── Features ─────────────────────────────────────────── */

.features-section {
  padding: 96px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber-dim);
  margin-bottom: 48px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
  background: var(--border);
}

.feature-card {
  background: var(--bg-2);
  padding: 40px 32px;
  transition: background 0.2s;
}
.feature-card:hover { background: var(--bg-card); }

.feature-icon {
  font-size: 28px;
  margin-bottom: 20px;
  display: block;
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.65;
}

/* ── FAQ ──────────────────────────────────────────────── */

.faq-section {
  padding: 96px 24px;
  max-width: 720px;
  margin: 0 auto;
}

.faq-section h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: -1px;
  margin-bottom: 56px;
  color: #f2ede6;
}

.faq-item {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border);
}

.faq-q {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.faq-q::after {
  content: '+';
  font-family: 'Satoshi', sans-serif;
  font-size: 20px;
  color: var(--amber);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.faq-item.open .faq-q::after {
  transform: rotate(45deg);
}

.faq-a {
  font-size: 15px;
  color: var(--text-mid);
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-a {
  display: block;
}

/* ── Second CTA ───────────────────────────────────────── */

.cta-section {
  padding: 96px 24px;
  text-align: center;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.cta-section h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  letter-spacing: -1px;
  margin-bottom: 16px;
  color: #f2ede6;
}

.cta-section p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 36px;
}

.cta-form {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 480px;
  margin: 0 auto;
}

.cta-form input[type="email"] {
  flex: 1 1 240px;
  background: var(--bg-card);
  border: 1px solid rgba(212, 168, 83, 0.3);
  color: var(--text);
  font-family: 'Satoshi', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s;
}
.cta-form input[type="email"]::placeholder { color: var(--text-muted); }
.cta-form input[type="email"]:focus { border-color: var(--amber); }

.cta-form-msg {
  margin-top: 12px;
  font-size: 14px;
  min-height: 20px;
}
.cta-form-msg.success { color: var(--green); }
.cta-form-msg.error   { color: var(--red); }
.cta-form-msg.dup     { color: var(--amber); }

/* ── Footer ───────────────────────────────────────────── */

footer {
  padding: 32px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

footer p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ── Mobile ───────────────────────────────────────────── */

@media (max-width: 640px) {
  .hero { padding: 110px 20px 72px; }
  .features-grid { grid-template-columns: 1fr; }
  .signup-form, .cta-form { flex-direction: column; }
  .signup-form input[type="email"],
  .cta-form input[type="email"],
  .btn-primary { width: 100%; }
}