/* Dialro Landing Page — Dark Navy Teal */

:root {
  --navy: #0B132B;
  --navy-2: #1B263B;
  --teal: #00C2A8;
  --green: #22C55E;
  --orange: #F59E0B;
  --off-white: #F8FAFC;
  --red: #EF4444;
  --gray: #94A3B8;
}

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

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--navy);
  color: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
a { color: var(--teal); text-decoration: none; }
code { font-family: 'Fira Code', monospace; font-size: 0.875em; color: var(--teal); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,19,43,0.92); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,194,168,0.15);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 64px; }
.logo { font-weight: 800; font-size: 1.5rem; color: var(--teal); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--off-white); font-size: 0.9rem; font-weight: 500; opacity: 0.8; transition: opacity .2s; }
.nav-links a:hover { opacity: 1; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: 8px; font-weight: 600; font-size: 0.9rem;
  background: var(--teal); color: var(--navy); transition: all .2s;
  border: none; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,194,168,0.3); }
.btn-sm { padding: 6px 16px; font-size: 0.85rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-outline { background: transparent; border: 1px solid var(--off-white); color: var(--off-white); }
.btn-outline:hover { background: rgba(255,255,255,0.1); }
.btn-block { width: 100%; }

/* Hero */
.hero { text-align: center; padding: 100px 0 80px; }
.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 99px;
  background: rgba(0,194,168,0.12); color: var(--teal); font-size: 0.85rem; font-weight: 500;
  margin-bottom: 24px;
}
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; max-width: 800px; margin-left: auto; margin-right: auto; }
.hero-sub { font-size: 1.15rem; color: var(--gray); max-width: 640px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 16px; justify-content: center; margin-bottom: 64px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 48px; justify-content: center; flex-wrap: wrap; }
.hero-stats div { text-align: center; }
.hero-stats strong { display: block; font-size: 1.8rem; color: var(--teal); }
.hero-stats span { font-size: 0.85rem; color: var(--gray); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--navy-2); }
.section-title { font-size: 2.2rem; font-weight: 700; text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--gray); font-size: 1.1rem; margin-bottom: 48px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 32px; }
.step { text-align: center; }
.step-num {
  width: 48px; height: 48px; border-radius: 50%; background: var(--teal); color: var(--navy);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.3rem;
  margin: 0 auto 20px;
}
.step h3 { font-size: 1.15rem; margin-bottom: 10px; }
.step p { color: var(--gray); font-size: 0.95rem; }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; padding: 28px;
}
.feature:hover { border-color: rgba(0,194,168,0.3); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 8px; background: rgba(0,194,168,0.12);
  display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--teal);
  margin-bottom: 16px; font-size: 0.8rem;
}
.feature h3 { font-size: 1.05rem; margin-bottom: 8px; }
.feature p { color: var(--gray); font-size: 0.9rem; }

/* Use Cases */
.use-cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.use-case {
  background: rgba(255,255,255,0.03); border-left: 3px solid var(--teal);
  border-radius: 8px; padding: 24px;
}
.use-case h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--teal); }
.use-case p { color: var(--gray); font-size: 0.9rem; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.plan {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 32px; position: relative;
}
.plan-popular { border-color: var(--teal); background: rgba(0,194,168,0.05); }
.plan-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--teal); color: var(--navy); padding: 4px 16px; border-radius: 99px;
  font-size: 0.8rem; font-weight: 600;
}
.plan h3 { font-size: 1.3rem; margin-bottom: 12px; }
.plan-price { font-size: 2.5rem; font-weight: 800; margin-bottom: 24px; }
.plan-price small { font-size: 1rem; font-weight: 400; color: var(--gray); }
.plan ul { list-style: none; margin-bottom: 28px; }
.plan ul li { padding: 6px 0; color: var(--gray); font-size: 0.9rem; }
.plan ul li::before { content: "✓"; color: var(--green); margin-right: 8px; font-weight: 700; }
.pricing-note { text-align: center; color: var(--gray); margin-top: 32px; font-size: 0.9rem; }

/* API */
.api-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.api-card {
  background: rgba(0,0,0,0.3); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px; padding: 28px;
}
.api-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--teal); }
.api-card p { color: var(--gray); font-size: 0.9rem; margin-bottom: 16px; }
.api-card pre {
  background: rgba(0,0,0,0.4); border-radius: 8px; padding: 16px; overflow-x: auto;
  font-size: 0.8rem; line-height: 1.5;
}
.api-card pre code { color: var(--off-white); }
.api-cta { text-align: center; margin-top: 40px; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item {
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px; margin-bottom: 12px; overflow: hidden;
}
.faq-item summary {
  padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 0.95rem;
  list-style: none;
}
.faq-item summary::after { content: "+"; float: right; color: var(--teal); font-size: 1.2rem; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 24px 18px; color: var(--gray); font-size: 0.9rem; }

/* CTA Final */
.cta-final { text-align: center; padding: 80px 0; background: var(--navy-2); }
.cta-final h2 { font-size: 2rem; margin-bottom: 12px; }
.cta-final p { color: var(--gray); margin-bottom: 28px; }

/* Footer */
.footer { background: var(--navy-2); border-top: 1px solid rgba(255,255,255,0.06); padding: 48px 0 24px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-col h4 { font-size: 0.9rem; margin-bottom: 12px; color: var(--off-white); }
.footer-col a { display: block; color: var(--gray); font-size: 0.85rem; padding: 4px 0; }
.footer-col a:hover { color: var(--teal); }
.footer-col p { color: var(--gray); font-size: 0.85rem; }
.footer-copy { text-align: center; color: var(--gray); font-size: 0.8rem; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.06); }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 24px; }
  .nav-links { gap: 12px; }
  .nav-links a:not(.btn) { display: none; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* API Docs */
.docs-layout { display: grid; grid-template-columns: 240px 1fr; gap: 48px; max-width: 1100px; margin: 0 auto; padding: 40px 24px; }
.docs-sidebar { position: sticky; top: 80px; }
.docs-sidebar h4 { font-size: 0.8rem; text-transform: uppercase; color: var(--gray); margin: 16px 0 8px; }
.docs-sidebar a { display: block; padding: 4px 0; font-size: 0.85rem; color: var(--off-white); opacity: 0.7; }
.docs-sidebar a:hover { opacity: 1; color: var(--teal); }
.docs-content { min-width: 0; }
.docs-content h2 { font-size: 1.6rem; margin: 32px 0 12px; }
.docs-content h3 { font-size: 1.2rem; margin: 24px 0 8px; }
.docs-content p { color: var(--gray); margin-bottom: 12px; font-size: 0.95rem; }
.docs-content pre {
  background: rgba(0,0,0,0.4); border-radius: 8px; padding: 16px; overflow-x: auto;
  margin: 12px 0; font-size: 0.8rem; line-height: 1.5;
}
.docs-content table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.docs-content th, .docs-content td { padding: 10px 14px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 0.85rem; }
.docs-content th { color: var(--teal); font-weight: 600; }
.docs-content td { color: var(--gray); }
.docs-content code { color: var(--teal); }
.docs-content ul { margin: 8px 0 16px 20px; color: var(--gray); font-size: 0.9rem; }

@media (max-width: 768px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { display: none; }
}