/* AEBC Technology - Brand Design System & CSS Styles */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap');

:root {
  --primary: #E52E2E;
  --primary-hover: #C82222;
  --primary-light: rgba(229, 46, 46, 0.08);
  --dark: #111827;
  --bg-surface: #F8F9FA;
  --card-bg: #FFFFFF;
  --text-main: #191C1D;
  --text-muted: #5C6274;
  --border-light: #E5E7EB;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-surface);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Glass Header */
.header-sticky {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 249, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
}

.header-sticky.scrolled {
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.95);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.logo-brand img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
  padding-bottom: 4px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--primary);
  font-weight: 700;
  border-bottom: 2px solid var(--primary);
}

/* Text Gradient Effect from Stitch */
.text-gradient {
  background: linear-gradient(135deg, #bb0215 0%, #e02a2b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px rgba(229, 46, 46, 0.25);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(229, 46, 46, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: transparent;
  color: var(--dark);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-light);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: #FFFFFF;
  border-color: var(--dark);
}

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--dark);
  cursor: pointer;
}

/* Layout Containers */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 80px 0;
}

/* Hero Section */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.badge-tag {
  display: inline-block;
  background: rgba(229, 46, 46, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero-title {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 800;
  color: var(--dark);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 32px;
  max-width: 540px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-visual img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.12));
}

/* Feature Pillar Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.card-pillar {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all 0.3s ease;
}

.card-pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(229, 46, 46, 0.3);
}

.icon-box {
  width: 52px;
  height: 52px;
  background: rgba(229, 46, 46, 0.1);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.icon-box span {
  font-size: 28px;
}

.card-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* App Showcase Section */
.app-showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.app-card-featured {
  background: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s ease;
}

.app-card-featured:hover {
  box-shadow: var(--shadow-md);
}

.app-header-flex {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 20px;
}

.app-logo-img {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.app-badge-hot {
  background: #DCFCE7;
  color: #15803D;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.app-store-btns {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.badge-img-link {
  display: inline-block;
  height: 48px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.badge-img-link:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.badge-img-link img {
  height: 100%;
  width: auto;
  object-fit: contain;
  display: block;
}

.app-card-coming-soon {
  background: var(--bg-surface);
  border: 2px dashed #CBD5E1;
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.coming-soon-icon {
  width: 64px;
  height: 64px;
  background: #E2E8F0;
  color: #64748B;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

/* Document & Form Layout */
.content-canvas {
  max-width: 800px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 48px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
}

.form-group label span.req {
  color: var(--primary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(229, 46, 46, 0.15);
  background-color: #FFFFFF;
}

/* CTA Banner Section from Stitch */
.cta-banner {
  background: var(--primary);
  border-radius: var(--radius-xl);
  padding: 64px 40px;
  text-align: center;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  font-size: 18px;
  opacity: 0.9;
  max-width: 640px;
  margin: 0 auto 32px;
  line-height: 1.6;
  position: relative;
  z-index: 2;
}

.btn-cta-white {
  background-color: #FFFFFF;
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 36px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.2s ease;
  position: relative;
  z-index: 2;
}

.btn-cta-white:hover {
  background-color: #F8F9FA;
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-light);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding: 60px 0 40px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--dark);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 24px 0;
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
}

/* Responsiveness */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-title {
    font-size: 36px;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .app-showcase-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FFFFFF;
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
  }

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

  .mobile-toggle {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .content-canvas {
    padding: 24px;
  }
}