:root {
  --bg-primary: #121212;
  --bg-surface: #1E1E1E;
  --bg-surface-elevated: #282828;
  --primary-mint: #00C897;
  --primary-mint-glow: rgba(0, 200, 151, 0.2);
  --text-main: #F5F5F5;
  --text-muted: #A0A0A0;
  --border-color: rgba(255, 255, 255, 0.08);
  --gradient-accent: linear-gradient(135deg, #00C897 0%, #008F6B 100%);
  --gradient-fire: linear-gradient(135deg, #FF8C37 0%, #FF3E3D 100%);
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
}

body {
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── Navigation Bar ── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(18, 18, 18, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 18px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.5px;
}

.logo-badge {
  background: var(--gradient-accent);
  color: #121212;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 14px var(--primary-mint-glow);
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.btn-nav {
  background: var(--primary-mint);
  color: #121212 !important;
  padding: 10px 20px;
  border-radius: 99px;
  font-weight: 600 !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-mint-glow);
}

/* ── Hero Section ── */
.hero {
  padding: 160px 0 100px 0;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 200, 151, 0.15) 0%, rgba(18, 18, 18, 0) 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 200, 151, 0.1);
  border: 1px solid rgba(0, 200, 151, 0.25);
  color: var(--primary-mint);
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.hero-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 40px;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-accent);
  color: #121212;
  padding: 16px 32px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px var(--primary-mint-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 200, 151, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 16px 32px;
  border-radius: 14px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ── Featured App Card Section ── */
.featured-section {
  padding: 80px 0;
}

.featured-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 28px;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 200, 151, 0.08) 0%, transparent 70%);
}

.app-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.app-info h3 {
  font-size: 1.75rem;
  font-weight: 700;
}

.app-info p {
  color: var(--primary-mint);
  font-size: 0.9rem;
  font-weight: 600;
}

.app-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 36px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-main);
}

.feature-item i {
  color: var(--primary-mint);
}

.mockup-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.mockup-card {
  width: 100%;
  max-width: 340px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
}

.mockup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.mockup-header h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

.badge-green {
  background: rgba(0, 200, 151, 0.15);
  color: var(--primary-mint);
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
}

.mockup-item {
  background: var(--bg-surface);
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.mockup-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-item-text h5 {
  font-size: 0.9rem;
  font-weight: 600;
}

.mockup-item-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Features Section ── */
.section-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 60px auto;
  font-size: 1.05rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 200, 151, 0.4);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(0, 200, 151, 0.1);
  color: var(--primary-mint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  margin-top: 100px;
  background: #0E0E0E;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 360px;
}

.footer-links h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-main);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .featured-card {
    grid-template-columns: 1fr;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}