/* ProdFlow – prodflow.net landing. Clean, modern, no app buttons. */
:root {
  --bg: #fafbfc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #475569;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-soft: rgba(13, 148, 136, 0.08);
  --font: "DM Sans", "Outfit", system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.logo {
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -0.02em;
}

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

.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav a:hover { color: var(--text); }

/* Hero */
.main { flex: 1; padding: 2rem 1.5rem; max-width: 720px; margin: 0 auto; width: 100%; }

.hero {
  text-align: center;
  padding: 3.5rem 0 4rem;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin: 0 0 1.25rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin: 0;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* Sections */
.section {
  padding: 2.75rem 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.section-lead {
  color: var(--text-muted);
  margin: 0 0 1.75rem;
  font-size: 1rem;
}

/* Features grid */
.features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.features li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.9rem 1rem;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-weight: 500;
  transition: box-shadow 0.2s, transform 0.15s;
}

.features li:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 1.25rem;
  line-height: 1;
}

/* CTA / Contact */
.section-cta {
  text-align: center;
  padding: 3rem 0;
}

.section-cta .section-lead { margin-bottom: 1.25rem; }

.btn-contact {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.25);
}

.btn-contact:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.note {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 1.25rem;
}

/* Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.75rem;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-copy { margin: 0; }

@media (max-width: 600px) {
  .hero-title { font-size: 2rem; }
  .hero { padding: 2.5rem 0 3rem; }
  .features { grid-template-columns: 1fr; }
}