/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --accent: #0ea5e9;
  --gradient: linear-gradient(135deg, #2563eb 0%, #0ea5e9 100%);
  --gradient-hero: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #0369a1 100%);
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --surface: #f8fafc;
  --white: #ffffff;
  --success: #16a34a;
  --whatsapp: #25d366;
  --telegram: #229ed9;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: .2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.5); }

.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--white);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-outline-hero {
  border-color: rgba(255,255,255,.5);
  color: var(--white);
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
}
.btn-outline-hero:hover { background: rgba(255,255,255,.2); border-color: var(--white); }

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,211,102,.4);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,211,102,.5); filter: brightness(1.05); }

.btn-telegram {
  background: var(--telegram);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(34,158,217,.4);
}
.btn-telegram:hover { transform: translateY(-2px); filter: brightness(1.05); }

.btn-demo {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.875rem;
  padding: 8px 18px;
}
.btn-demo:hover { background: var(--primary); color: var(--white); }

.btn-plan {
  width: 100%;
  justify-content: center;
  background: var(--surface);
  color: var(--primary);
  border-color: var(--primary);
}
.btn-plan:hover { background: var(--primary); color: var(--white); }

.btn-plan-featured {
  width: 100%;
  justify-content: center;
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
}
.btn-plan-featured:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,.5); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow-lg); }

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.4rem; }
.logo-text { color: var(--text); }
.logo-accent { color: var(--primary); }

.nav-links {
  display: flex;
  gap: 8px;
  flex: 1;
}
.nav-links a {
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: all var(--transition);
}
.nav-links a:hover { color: var(--primary); background: var(--primary-light); }

.nav-buttons { display: flex; gap: 10px; flex-shrink: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  background: var(--gradient-hero);
  padding: 120px 0 0;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14,165,233,.25) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-bottom: 60px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.9);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,.2);
}

.hero-content h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 8px;
  letter-spacing: -1px;
}

.gradient-text {
  background: linear-gradient(135deg, #93c5fd, #e0f2fe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.3rem;
  color: rgba(255,255,255,.8);
  font-weight: 500;
  margin-bottom: 20px;
}
.hero-sub strong { color: var(--white); }

.hero-desc {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 480px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}
.stat { display: flex; flex-direction: column; }
.stat strong { font-size: 1.5rem; font-weight: 800; color: var(--white); }
.stat span { font-size: 0.8rem; color: rgba(255,255,255,.6); }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,.2); }

/* Dashboard Mockup */
.hero-image { display: flex; justify-content: flex-end; }

.dashboard-mockup {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0,0,0,.3);
  overflow: hidden;
  width: 100%;
  max-width: 460px;
}

.mockup-header {
  background: #f1f5f9;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #22c55e; }
.mockup-url {
  margin-left: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--white);
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.mockup-body { display: flex; }

.mockup-sidebar {
  background: var(--text);
  padding: 16px 12px;
  width: 130px;
  flex-shrink: 0;
}
.side-item {
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  color: rgba(255,255,255,.5);
  cursor: pointer;
  margin-bottom: 2px;
  font-weight: 500;
}
.side-item.active { background: var(--primary); color: var(--white); }
.side-item:not(.active):hover { color: rgba(255,255,255,.8); }

.mockup-main {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--surface);
}

.mockup-card {
  background: var(--white);
  border-radius: 8px;
  padding: 14px;
  box-shadow: var(--shadow-sm);
  flex: 1;
  min-width: 90px;
}
.mockup-card.wide { flex: 100%; }
.card-label { font-size: 0.68rem; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; }
.card-value { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.card-trend { font-size: 0.7rem; font-weight: 600; margin-top: 4px; }
.card-trend.up { color: var(--success); }

.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 50px;
  margin-top: 8px;
}
.bar {
  flex: 1;
  background: #dbeafe;
  border-radius: 3px 3px 0 0;
  transition: height .3s ease;
}
.bar.active { background: var(--primary); }

.hero-wave { line-height: 0; margin-bottom: -2px; }
.hero-wave svg { width: 100%; display: block; }

/* ===== SECTIONS SHARED ===== */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 12px;
}
.section-header p { color: var(--text-muted); max-width: 540px; margin: 0 auto; }

/* ===== DEMOS ===== */
.demos {
  padding: 96px 0;
  background: var(--surface);
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.demo-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}
.demo-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.demo-icon { font-size: 2.5rem; margin-bottom: 14px; }
.demo-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.demo-card p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 14px; }

.demo-credentials {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: left;
}

/* ===== FEATURES ===== */
.features {
  padding: 96px 0;
  background: var(--white);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-item {
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.feature-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-item h4 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.feature-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== PLANES ===== */
.planes {
  padding: 96px 0;
  background: var(--surface);
}

.planes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.plan-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all var(--transition);
}
.plan-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.plan-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary), var(--shadow-xl);
  transform: scale(1.03);
}
.plan-card.featured:hover { transform: scale(1.03) translateY(-4px); }

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  padding: 4px 18px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
}

.plan-badge {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.plan-badge.cobre { color: #b45309; }
.plan-badge.plata { color: #475569; }
.plan-badge.oro { color: #b45309; }

.plan-price {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 8px;
}
.currency { font-size: 1.4rem; font-weight: 700; color: var(--text-muted); padding-bottom: 6px; }
.amount { font-size: 3.5rem; font-weight: 800; color: var(--text); line-height: 1; }
.period { font-size: 1rem; color: var(--text-muted); padding-bottom: 8px; }

.plan-desc { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 28px; }

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.plan-features li { font-size: 0.9rem; }
.plan-features li.disabled { color: var(--text-muted); opacity: .6; }

/* ===== CTA ===== */
.cta {
  background: var(--gradient-hero);
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(14,165,233,.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner { text-align: center; position: relative; z-index: 1; }
.cta-content h2 { font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800; color: var(--white); margin-bottom: 14px; }
.cta-content p { color: rgba(255,255,255,.75); font-size: 1.05rem; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer {
  background: var(--text);
  color: rgba(255,255,255,.8);
  padding-top: 64px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .logo { color: var(--white); margin-bottom: 14px; }
.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-accent { color: #93c5fd; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,.5); max-width: 280px; }

.footer-links h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 16px;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a,
.footer-contact a {
  font-size: 0.9rem;
  color: rgba(255,255,255,.5);
  transition: color var(--transition);
}
.footer-links a:hover,
.footer-contact a:hover { color: var(--white); }

.footer-contact li { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; }
.footer-partner {
  margin-top: 16px;
  font-size: 0.8rem;
  color: rgba(255,255,255,.4);
}
.footer-partner strong { color: rgba(255,255,255,.6); }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,.35); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-image { justify-content: center; }
  .dashboard-mockup { max-width: 500px; }
  .demos-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .planes-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .plan-card.featured { transform: none; }
  .plan-card.featured:hover { transform: translateY(-4px); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .nav-links, .nav-buttons { display: none; }
  .nav-links.open, .nav-buttons.open { display: flex; }

  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    gap: 4px;
  }
  .nav-buttons {
    position: fixed;
    top: auto;
    left: 0; right: 0;
    flex-direction: column;
    background: var(--white);
    padding: 12px 24px 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-buttons .btn { justify-content: center; }
  .nav-links + .nav-buttons.open { top: calc(68px + 4 * 42px + 32px); }

  .menu-toggle { display: flex; }
  .demos-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 480px) {
  .hero { padding-top: 90px; }
  .hero-actions { flex-direction: column; }
  .cta-actions { flex-direction: column; align-items: center; }
}