/* ===== AlgoFlora — Global Styles ===== */
:root {
  --primary: #0b5cff;
  --primary-dark: #0847cc;
  --accent: #00c896;
  --bg: #0a0e1a;
  --bg-card: #111827;
  --bg-card-hover: #1a2236;
  --text: #e4e8f1;
  --text-muted: #8892a8;
  --border: #1e293b;
  --radius: 12px;
  --max-w: 960px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; }

/* ===== Header / Navbar ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 26, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.5px;
  color: #fff;
}
.logo span { color: var(--accent); }

.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--text-muted); font-size: 14px; font-weight: 500; }
.nav-links a:hover { color: #fff; }

.hamburger { display: none; background: none; border: none; color: #fff; font-size: 24px; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 24px 60px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero h1 .highlight { color: var(--accent); }

.hero p {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

.store-badges { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.store-badges a img { height: 48px; border-radius: 8px; transition: transform .2s; }
.store-badges a img:hover { transform: scale(1.05); }

/* ===== Features Grid ===== */
.features {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 60px 24px;
}
.features h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: background .2s, border-color .2s;
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent);
}
.feature-card .icon { font-size: 32px; margin-bottom: 12px; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; color: #fff; }
.feature-card p { font-size: 14px; color: var(--text-muted); }

/* ===== CTA Section ===== */
.cta {
  text-align: center;
  padding: 60px 24px 80px;
}
.cta h2 { font-size: 28px; margin-bottom: 12px; }
.cta p { color: var(--text-muted); margin-bottom: 28px; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--primary-dark); color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  margin-left: 12px;
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-links { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.footer-links a { color: var(--text-muted); font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 12px; color: var(--text-muted); }

/* ===== Page Content (subpages) ===== */
.page-header {
  text-align: center;
  padding: 60px 24px 20px;
}
.page-header h1 {
  font-size: 32px;
  font-weight: 700;
}

.page-content {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 24px 80px;
}
.page-content h2 { font-size: 22px; margin: 32px 0 12px; color: var(--accent); }
.page-content h3 { font-size: 18px; margin: 24px 0 8px; color: #fff; }
.page-content p { margin-bottom: 16px; color: var(--text-muted); }
.page-content ul { margin: 0 0 16px 20px; color: var(--text-muted); }
.page-content li { margin-bottom: 8px; }
.page-content a { color: var(--primary); }
.page-content a:hover { color: var(--accent); }
.page-content strong { color: var(--text); }

.warning { color: #ef4444; font-weight: 600; }

.back-link {
  display: inline-block;
  margin-top: 32px;
  color: var(--text-muted);
  font-size: 14px;
}
.back-link:hover { color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 56px; left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 16px; }
  .nav-links.open { display: flex; }
  .hamburger { display: block; }
  .hero { padding: 50px 20px 40px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  .features { padding: 40px 20px; }
  .store-badges a img { height: 42px; }
}