@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-dark: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-glow: rgba(13, 148, 136, 0.1);
  --color-text: #0f172a;
  --color-text-muted: #64748b;
  --color-accent: #0d9488;
  --color-accent-hover: #14b8a6;
  --color-teal: #0d9488;
  --color-teal-hover: #14b8a6;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow: none;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(13, 148, 136, 0.08), transparent);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #0f172a 40%, #0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-accent-text {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(241, 245, 249, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.navbar .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  object-fit: cover;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-accent);
  background: rgba(13, 148, 136, 0.05);
}

.nav-cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  box-shadow: 0 0 16px var(--border-glow);
}

.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  box-shadow: 0 0 24px rgba(13, 148, 136, 0.35);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 100px 0 60px;
  position: relative;
}

.hero-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent-hover);
  background: rgba(13, 148, 136, 0.08);
  border: 1px solid var(--border-accent);
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 64px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero p {
  font-size: 18px;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.15);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.25);
}

.btn-secondary {
  background: transparent;
  border: 1px solid #0f172a;
  color: #0f172a;
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.05);
  transform: translateY(-2px);
}

/* Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  padding: 60px 0;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--bg-surface-hover);
  border-color: rgba(13, 148, 136, 0.25);
  box-shadow: var(--shadow-glow), 0 0 20px var(--border-glow);
}

.card-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--bg-surface-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.card-icon-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card h3 {
  font-size: 20px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.card-link {
  margin-top: auto;
  padding-top: 24px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-accent-hover);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

/* Ghost Concept Banner */
.ghost-banner {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.06) 0%, rgba(15, 22, 42, 0.45) 100%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 60px 40px;
  margin: 60px 0;
  display: flex;
  align-items: center;
  gap: 40px;
}

.ghost-text {
  flex: 1;
}

.ghost-text h2 {
  font-size: 32px;
  margin-bottom: 16px;
}

.ghost-text p {
  color: var(--color-text-muted);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

.ghost-image {
  flex: 0 0 350px;
  max-width: 100%;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.ghost-image img {
  width: 100%;
  display: block;
}

/* App Details Sheet Layout */
.app-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  padding: 80px 0;
  align-items: center;
}

.app-screenshot {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
  border: 1px solid var(--border-color);
}

.app-screenshot img {
  width: 100%;
  display: block;
}

.app-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.app-info h2 {
  font-size: 40px;
}

.app-info p {
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.7;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text);
}

.feature-list li::before {
  content: '✓';
  color: var(--color-teal-hover);
  font-weight: 700;
  font-size: 16px;
}

/* About Section Styles */
.about-section {
  padding: 80px 0;
  text-align: center;
}

.about-section h2 {
  font-size: 36px;
  margin-bottom: 24px;
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* SDC Division Banner */
.sdc-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-color);
  padding: 12px 24px;
  border-radius: 30px;
  margin-top: 30px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.sdc-badge strong {
  color: var(--color-text);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 48px 0;
  background: rgba(4, 5, 11, 0.5);
  margin-top: auto;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #ffffff;
}

.footer-logo img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  object-fit: cover;
}

.footer-text {
  font-size: 13px;
  color: #ffffff;
  opacity: 0.8;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  text-decoration: none;
  font-size: 13px;
  color: #ffffff;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent-hover);
  opacity: 1;
}

/* Responsive Styles */
@media (max-width: 900px) {
  .hero h1 {
    font-size: 48px;
  }
  .ghost-banner {
    flex-direction: column;
    padding: 40px 24px;
    text-align: center;
  }
  .ghost-image {
    flex: 1 1 auto;
    width: 100%;
  }
  .app-detail-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }
  .hero h1 {
    font-size: 36px;
  }
  .hero-ctas {
    flex-direction: column;
    gap: 12px;
  }
}

/* Product Page Pricing Section */
.product-pricing-section {
  padding: 60px 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin: 60px 0;
  text-align: center;
}

.product-pricing-container {
  max-width: 800px;
  margin: 0 auto;
}

.product-pricing-card {
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  margin: 30px auto 0;
  display: block;
  text-align: left;
  width: 100%;
  max-width: 480px;
}

.product-pricing-header h3 {
  font-size: 24px;
  margin-bottom: 4px;
}

.product-pricing-header p {
  color: var(--color-text-muted);
  font-size: 14px;
}

.product-pricing-price {
  font-family: var(--font-heading);
  font-size: 40px;
  font-weight: 800;
  color: var(--color-text);
  margin: 15px 0 25px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.product-pricing-price span {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-muted);
}

.product-pricing-features {
  list-style: none;
  margin-bottom: 30px;
}

.product-pricing-features li {
  font-size: 14px;
  color: var(--color-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.product-pricing-features li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: bold;
  font-size: 16px;
}

.product-pricing-cta-row {
  display: flex;
  gap: 12px;
}

.product-pricing-cta-row .btn {
  flex: 1;
}