/* ============================================
   DoroTI.cl — Global Styles
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --primary: #0A2463;
  --primary-light: #1E3A8A;
  --accent: #3B82F6;
  --accent-hover: #2563EB;
  --accent-light: #DBEAFE;
  --success: #10B981;
  --success-light: #D1FAE5;
  --warning: #F59E0B;
  --danger: #EF4444;
  --text: #1F2937;
  --text-light: #6B7280;
  --text-muted: #9CA3AF;
  --bg: #FFFFFF;
  --bg-alt: #F9FAFB;
  --bg-dark: #F3F4F6;
  --border: #E5E7EB;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--primary);
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p { margin-bottom: 1rem; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-light); font-size: 1.125rem; max-width: 640px; margin: 0 auto 48px; }
.text-center { text-align: center; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-secondary:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 1.1rem; }

/* --- Header / Navbar --- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
}
.nav-logo .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 900;
  font-size: 1rem;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--primary); }

.nav-cta { margin-left: 16px; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1D4ED8 100%);
  color: #fff;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  border-radius: 50%;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-content h1 {
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.15;
}
.hero-content h1 .highlight {
  color: #60A5FA;
}

.hero-description {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat-value {
  font-size: 2rem;
  font-weight: 800;
  display: block;
}
.hero-stat-label {
  font-size: 0.85rem;
  opacity: 0.7;
}

.hero-visual {
  position: relative;
}
.hero-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: 40px;
  position: relative;
}
.hero-card-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--success);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 100px;
}
.verification-demo {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.demo-step {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.demo-step:hover {
  background: rgba(255,255,255,0.15);
}
.demo-step-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.demo-step-icon.bio { background: rgba(59,130,246,0.3); }
.demo-step-icon.geo { background: rgba(16,185,129,0.3); }
.demo-step-icon.ai { background: rgba(245,158,11,0.3); }
.demo-step-icon.check { background: rgba(16,185,129,0.5); }
.demo-step-text h4 { color: #fff; font-size: 0.95rem; margin-bottom: 2px; }
.demo-step-text p { font-size: 0.8rem; opacity: 0.7; margin: 0; }

/* --- Problem Section --- */
.problem-section {
  padding: 100px 0;
  background: var(--bg-alt);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.problem-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.problem-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.problem-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.problem-icon.red { background: #FEE2E2; }
.problem-icon.orange { background: #FEF3C7; }
.problem-icon.yellow { background: #FEF9C3; }

.problem-card h3 { margin-bottom: 12px; font-size: 1.15rem; }
.problem-card p { color: var(--text-light); font-size: 0.95rem; margin: 0; }

.problem-stat {
  margin-top: 48px;
  background: linear-gradient(135deg, #FEF2F2, #FEE2E2);
  border: 1px solid #FECACA;
  border-radius: var(--radius-lg);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.problem-stat-icon { font-size: 2.5rem; }
.problem-stat-text h3 { color: var(--danger); margin-bottom: 4px; }
.problem-stat-text p { margin: 0; color: var(--text-light); }

/* --- Solution Section --- */
.solution-section { padding: 100px 0; }
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.solution-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 4px 4px 0 0;
}
.solution-card:nth-child(1)::before { background: var(--accent); }
.solution-card:nth-child(2)::before { background: var(--success); }
.solution-card:nth-child(3)::before { background: var(--warning); }
.solution-card:nth-child(4)::before { background: #8B5CF6; }

.solution-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.solution-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 24px;
}
.solution-icon.blue { background: var(--accent-light); }
.solution-icon.green { background: var(--success-light); }
.solution-icon.amber { background: #FEF3C7; }
.solution-icon.purple { background: #EDE9FE; }

.solution-card h3 { margin-bottom: 12px; }
.solution-card p { color: var(--text-light); margin-bottom: 20px; }
.solution-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.solution-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-light);
}
.solution-features li::before {
  content: '✓';
  color: var(--success);
  font-weight: 700;
}

/* --- How It Works --- */
.how-section {
  padding: 100px 0;
  background: var(--bg-alt);
}
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 48px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.step-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  position: relative;
  padding-bottom: 48px;
}
.step-item:last-child { padding-bottom: 0; }
.step-item:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 28px;
  top: 60px;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.step-content {
  flex: 1;
  padding-top: 8px;
}
.step-content h3 { margin-bottom: 8px; }
.step-content p { color: var(--text-light); margin: 0; }

/* --- Benefits / ROI --- */
.benefits-section { padding: 100px 0; }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.benefit-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.benefit-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.benefit-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 8px;
}
.benefit-label {
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}
.benefit-desc {
  font-size: 0.85rem;
  color: var(--text-light);
  margin: 0;
}

/* --- Security Section --- */
.security-section {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
}
.security-section h2, .security-section h3 { color: #fff; }

.security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.security-card {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
}
.security-card:hover { background: rgba(255,255,255,0.12); }

.security-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.security-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
.security-card p { opacity: 0.8; font-size: 0.9rem; margin: 0; }

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  background: var(--bg-alt);
  text-align: center;
}
.cta-box {
  background: var(--bg);
  border-radius: var(--radius-xl);
  padding: 64px;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  margin: 0 auto;
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { color: var(--text-light); font-size: 1.1rem; margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p { margin-top: 16px; font-size: 0.9rem; line-height: 1.7; }
.footer-col h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .security-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .mobile-toggle { display: block; }

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }

  .hero { padding: 120px 0 80px; }
  .problem-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .security-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .problem-stat { flex-direction: column; text-align: center; }
  .cta-box { padding: 40px 24px; }
}

/* --- Contact Page --- */
.page-header {
  padding: 140px 0 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  text-align: center;
}
.page-header h1 { color: #fff; margin-bottom: 12px; }
.page-header p { opacity: 0.8; font-size: 1.1rem; }

.contact-section { padding: 80px 0; }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 1rem;
  transition: var(--transition);
  background: var(--bg);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.contact-info-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
}
.contact-info-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.contact-info-card h4 { margin-bottom: 4px; font-size: 1rem; }
.contact-info-card p { margin: 0; color: var(--text-light); font-size: 0.9rem; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* --- Product Page --- */
.product-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, #1D4ED8 100%);
  color: #fff;
  text-align: center;
}
.product-hero h1 { color: #fff; }

.tech-section { padding: 80px 0; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.tech-card {
  padding: 32px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
}
.tech-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.tech-card-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.tech-card h3 { margin-bottom: 8px; }
.tech-card p { color: var(--text-light); font-size: 0.9rem; margin: 0; }

@media (max-width: 768px) {
  .tech-grid { grid-template-columns: 1fr; }
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}