/* ════════════════════════════════════════════════════════════════════════════
   ZapPedidos IA — Landing Page Styles
   ════════════════════════════════════════════════════════════════════════════ */

:root {
  --green: #25D366;
  --green-dark: #128C7E;
  --green-light: #DCF8C6;
  --dark: #1a1a2e;
  --dark2: #16213e;
  --gray: #6c757d;
  --light: #f8f9fa;
  --white: #ffffff;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all .2s;
  text-align: center;
}
.btn-sm { padding: 8px 20px; font-size: .9rem; }
.btn-lg { padding: 16px 36px; font-size: 1.1rem; }
.btn-block { display: block; width: 100%; }
.btn-whatsapp { background: var(--green); color: #fff; }
.btn-whatsapp:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline { border-color: var(--green); color: var(--green); background: transparent; }
.btn-outline:hover { background: var(--green); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,.6); color: #fff; background: transparent; }
.btn-outline-light:hover { background: rgba(255,255,255,.15); border-color: #fff; }

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(26,26,46,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-content { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { color: #fff; text-decoration: none; font-size: 1.3rem; font-weight: 700; }
.logo span { color: var(--green); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: rgba(255,255,255,.8); text-decoration: none; font-size: .95rem; transition: color .2s; }
.nav-links a:hover { color: var(--green); }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 50%, #0a192f 100%);
  padding: 140px 0 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-text h1 { font-size: 3rem; color: #fff; line-height: 1.2; margin-bottom: 20px; }
.highlight { color: var(--green); }
.hero-subtitle { font-size: 1.2rem; color: rgba(255,255,255,.7); margin-bottom: 32px; line-height: 1.7; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; }
.stat { text-align: center; }
.stat strong { display: block; font-size: 1.5rem; color: var(--green); }
.stat span { font-size: .85rem; color: rgba(255,255,255,.5); }

/* Phone Mockup */
.phone-mockup {
  background: #111;
  border-radius: 32px;
  padding: 12px;
  max-width: 320px;
  margin: 0 auto;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}
.phone-screen { background: #ECE5DD; border-radius: 22px; overflow: hidden; }
.chat-header { background: var(--green-dark); color: #fff; padding: 14px 16px; font-weight: 600; font-size: .95rem; }
.chat-messages { padding: 12px; display: flex; flex-direction: column; gap: 8px; min-height: 300px; }
.msg {
  max-width: 85%;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .85rem;
  line-height: 1.5;
  word-break: break-word;
}
.msg.bot { background: #fff; align-self: flex-start; border-bottom-left-radius: 2px; }
.msg.user { background: var(--green-light); align-self: flex-end; border-bottom-right-radius: 2px; }

/* ── Features ──────────────────────────────────────────────────────────────── */
.features { padding: 100px 0; background: var(--white); }
.section-title { text-align: center; font-size: 2.2rem; margin-bottom: 12px; color: var(--dark); }
.section-subtitle { text-align: center; color: var(--gray); font-size: 1.1rem; margin-bottom: 60px; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all .3s;
  border: 1px solid transparent;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--green); }
.feature-icon { font-size: 2.5rem; margin-bottom: 16px; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 8px; color: var(--dark); }
.feature-card p { color: var(--gray); font-size: .95rem; }

/* ── How it Works ──────────────────────────────────────────────────────────── */
.how-it-works { padding: 100px 0; background: var(--light); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.step { text-align: center; position: relative; }
.step-number {
  width: 60px; height: 60px;
  margin: 0 auto 16px;
  background: var(--green);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; font-weight: 700;
}
.step h3 { margin-bottom: 8px; color: var(--dark); }
.step p { color: var(--gray); font-size: .95rem; }

/* ── Pricing ───────────────────────────────────────────────────────────────── */
.pricing { padding: 100px 0; background: var(--white); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.plan-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  border: 2px solid transparent;
  transition: all .3s;
  position: relative;
}
.plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.plan-card.popular { border-color: var(--green); background: #fff; }
.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--green); color: #fff;
  padding: 4px 20px; border-radius: 20px;
  font-size: .85rem; font-weight: 600;
}
.plan-name { font-size: 1.3rem; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.plan-price { font-size: 1.1rem; color: var(--gray); margin-bottom: 24px; }
.plan-price span { font-size: 3rem; font-weight: 700; color: var(--dark); }
.plan-features { list-style: none; margin-bottom: 28px; text-align: left; }
.plan-features li { padding: 8px 0; border-bottom: 1px solid rgba(0,0,0,.05); font-size: .95rem; color: #555; }

/* ── CTA ───────────────────────────────────────────────────────────────────── */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark2) 100%);
  text-align: center;
}
.cta-section h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,.7); font-size: 1.1rem; margin-bottom: 32px; }

/* ── Footer ────────────────────────────────────────────────────────────────── */
.footer { background: var(--dark); padding: 60px 0 0; color: rgba(255,255,255,.7); }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-brand .logo { font-size: 1.2rem; }
.footer-brand p { margin-top: 12px; font-size: .9rem; }
.footer-links h4 { color: #fff; margin-bottom: 16px; }
.footer-links a { display: block; color: rgba(255,255,255,.6); text-decoration: none; margin-bottom: 8px; font-size: .9rem; }
.footer-links a:hover { color: var(--green); }
.footer-bottom { margin-top: 40px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.08); text-align: center; font-size: .85rem; }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-text h1 { font-size: 2.2rem; }
  .hero-cta { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .footer-content { grid-template-columns: 1fr; text-align: center; }
}
@media (max-width: 600px) {
  .menu-toggle { display: block; }
  .nav-links {
    display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--dark); padding: 20px; gap: 16px;
  }
  .nav-links.open { display: flex; }
  .hero { padding: 120px 0 60px; }
  .hero-text h1 { font-size: 1.8rem; }
  .features-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .section-title { font-size: 1.8rem; }
}