/* ============================================
   INFOPATCOM — Enterprise Theme
   ============================================ */

:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-hero: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
  --text-primary: #1a1a2e;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.08);
  --header-bg: rgba(255,255,255,0.95);
  --footer-bg: #0a192f;
  --footer-text: #94a3b8;
  --primary-dark: #0a192f;
  --primary-blue: #1e3a8a;
  --accent-cyan: #06b6d4;
  --accent-green: #059669;
  --accent-orange: #ea580c;
  --accent-purple: #7c3aed;
  --gradient-primary: linear-gradient(135deg, #1e3a8a, #06b6d4);
  --gradient-text: linear-gradient(135deg, #0a192f, #1e3a8a);
}

body.dark {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f172a;
  --bg-card: #111827;
  --bg-hero: linear-gradient(135deg, #0a0e1a 0%, #0f172a 100%);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e293b;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.3);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.5);
  --header-bg: rgba(10,14,26,0.95);
  --footer-bg: #020617;
  --footer-text: #94a3b8;
  --gradient-text: linear-gradient(135deg, #f1f5f9, #06b6d4);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', monospace;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 3.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.25rem; margin-bottom: 0.5rem; }

a { color: var(--accent-cyan); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-blue); }

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section { padding: 5rem 0; }

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: 3rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 40px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-size: 0.95rem;
  font-family: 'Space Grotesk', monospace;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-outline:hover {
  background: rgba(6, 182, 212, 0.1);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* Header / Nav */
header {
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-decoration: none;
  font-family: 'Space Grotesk', monospace;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.2s;
  font-family: 'Space Grotesk', monospace;
}

.nav-links a:hover { color: var(--accent-cyan); }

.nav-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.lang-btn {
  background: var(--border-color);
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: 30px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s;
  text-decoration: none;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
}

.lang-btn.active {
  background: var(--gradient-primary);
  color: #fff;
}

.lang-btn:not(.active):hover {
  background: var(--text-secondary);
  color: #fff;
}

.theme-toggle {
  background: var(--border-color);
  border: none;
  border-radius: 30px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  font-size: 0.95rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-primary);
}

.theme-toggle:hover { transform: scale(1.05); }

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-primary);
  padding: 0.25rem;
}

/* Hero */
.hero {
  background: var(--bg-hero);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 20% 50%, rgba(6,182,212,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6,182,212,0.1);
  color: var(--accent-cyan);
  padding: 0.4rem 1rem;
  border-radius: 40px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--accent-cyan), #22d3ee);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 90%;
}

.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-visual {
  background: linear-gradient(135deg, var(--primary-dark), #1e3a8a);
  border-radius: 2rem;
  padding: 3rem 2rem;
  text-align: center;
  color: #fff;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.3);
  position: relative;
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle, rgba(6,182,212,0.1) 0%, transparent 60%);
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
}

.hero-visual-content { position: relative; z-index: 1; }

.hero-visual-icons { font-size: 3.5rem; margin-bottom: 1.5rem; display: flex; gap: 1.5rem; justify-content: center; }

.hero-visual-icons i { opacity: 0.9; transition: transform 0.3s; }
.hero-visual-icons i:hover { transform: translateY(-5px); }

/* Trust Bar */
.trust-bar {
  background: var(--bg-card);
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
}

.trust-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.trust-item { text-align: center; }

.trust-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.trust-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }

.trust-logo { font-size: 1.75rem; opacity: 0.5; transition: opacity 0.2s; }
.trust-logo:hover { opacity: 0.8; }

/* Cards */
.card {
  background: var(--bg-card);
  border-radius: 1.5rem;
  padding: 2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-md);
}

.card-icon { font-size: 2.5rem; margin-bottom: 1.25rem; display: block; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* Split path (two pillars) */
.split-path {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 3rem 0;
}

.path-card {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-secondary) 100%);
  border-radius: 1.5rem;
  padding: 2.5rem;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s;
  text-decoration: none;
  display: block;
}

.path-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-lg);
}

.path-card h3 { color: var(--text-primary); }
.path-card p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 1rem; }

.path-icon { font-size: 3rem; margin-bottom: 1rem; }

/* AI Demo Section */
.ai-demo-section {
  background: linear-gradient(135deg, var(--primary-dark), #0f2b3d);
  color: #fff;
  border-radius: 2.5rem;
  margin: 3rem 0;
  overflow: hidden;
}

.ai-demo-inner { padding: 3.5rem; text-align: center; }

.ai-demo-inner h2 { font-size: 2rem; margin-bottom: 0.75rem; }
.ai-demo-inner p { opacity: 0.8; margin-bottom: 0; }

.demo-box {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border-radius: 1.5rem;
  padding: 2rem;
  margin-top: 2rem;
}

.demo-input-group {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
}

.demo-input-group input {
  flex: 1;
  min-width: 250px;
  padding: 0.9rem 1.5rem;
  border-radius: 60px;
  border: none;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
}

.demo-output {
  background: rgba(0,0,0,0.3);
  padding: 1.25rem;
  border-radius: 1rem;
  margin-top: 1.25rem;
  text-align: left;
  min-height: 3rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Region Grid */
.region-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.region-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s;
}

.region-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.region-card h4 { margin: 0.75rem 0 0.25rem; }

/* Partners Grid */
.partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
  align-items: center;
  margin-top: 2rem;
}

.partner-item {
  text-align: center;
  color: var(--text-muted);
  transition: color 0.2s;
}

.partner-item:hover { color: var(--accent-cyan); }
.partner-item i { font-size: 2rem; display: block; margin-bottom: 0.5rem; }
.partner-item span { font-size: 0.85rem; font-weight: 600; }

/* CTA Section */
.cta-section {
  background: var(--bg-secondary);
  border-radius: 2.5rem;
  text-align: center;
  padding: 4rem;
  border: 1px solid var(--border-color);
}

.cta-form {
  max-width: 500px;
  margin: 2rem auto 0;
  text-align: left;
}

.cta-form input,
.cta-form select,
.cta-form textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
}

.cta-form input:focus,
.cta-form select:focus,
.cta-form textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.cta-form .btn { width: 100%; justify-content: center; }

/* Form message */
.form-message { margin-top: 1rem; font-size: 0.9rem; }

/* Footer */
footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  padding: 4rem 0 2rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 { color: #fff; margin-bottom: 1.25rem; font-size: 0.9rem; }

.footer-col a {
  display: block;
  color: var(--footer-text);
  text-decoration: none;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  transition: color 0.2s;
}

.footer-col a:hover { color: var(--accent-cyan); }

.footer-col p { font-size: 0.85rem; margin-bottom: 0.5rem; }

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  font-size: 0.8rem;
}

/* Subpage hero */
.subpage-hero {
  padding: 6rem 0 3rem;
  background: var(--bg-hero);
}

.subpage-hero h1 { margin-bottom: 0.75rem; }

.subpage-hero p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
}

/* Service list for subpages */
.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

/* Feature list */
.feature-list { list-style: none; margin-top: 1rem; }

.feature-list li {
  padding: 0.4rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-list i { color: var(--accent-green); font-size: 0.8rem; }

/* Contact page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 3rem 0;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.5rem;
  padding: 2rem;
}

.contact-info-card h3 { margin-top: 1.5rem; }
.contact-info-card h3:first-child { margin-top: 0; }

.contact-info-card p { margin: 0.5rem 0; color: var(--text-secondary); }
.contact-info-card hr { margin: 1.5rem 0; border: none; border-top: 1px solid var(--border-color); }

/* About page */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

/* Responsive */
@media (max-width: 1024px) {
  h1 { font-size: 2.8rem; }
  h2 { font-size: 2rem; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .container { padding: 0 1.25rem; }
  .section { padding: 3rem 0; }
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.75rem; }
  nav { padding: 0.75rem 1.25rem; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--header-bg);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    gap: 1rem;
  }

  .nav-links.open { display: flex; }

  .mobile-menu-btn { display: block; }

  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero { padding: 4rem 0 3rem; }
  .hero p { max-width: 100%; }

  .split-path { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .region-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .ai-demo-inner { padding: 2rem 1.5rem; }
  .cta-section { padding: 2.5rem 1.5rem; }
  .hero-visual { padding: 2rem 1.5rem; }
}