/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0A0A0F;
  --bg-secondary: #12121A;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --text-primary: #F5F5F7;
  --text-secondary: rgba(245, 245, 247, 0.6);
  --text-tertiary: rgba(245, 245, 247, 0.4);
  --accent: #7B68EE;
  --accent-glow: rgba(123, 104, 238, 0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

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

section {
  padding: 100px 0;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo .logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #A78BFA);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 800;
}

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

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  letter-spacing: 0.01em;
}

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

.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
}

.nav-cta:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34D399;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #7B68EE, #A78BFA, #C4B5FD, #7B68EE);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradient-shift 6s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero p {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.65;
  font-weight: 400;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

/* ===== STATS BAR ===== */
.stats-bar {
  padding: 60px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  font-weight: 500;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ===== APP SHOWCASE ===== */
.apps-section {
  background: var(--bg-primary);
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ===== APP CARD ===== */
.app-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent);
  opacity: 0;
  transition: opacity var(--transition);
}

.app-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.05);
}

.app-card:hover::before {
  opacity: 1;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
}

.app-flag {
  font-size: 3rem;
  line-height: 1;
}

.app-pricing {
  text-align: right;
}

.app-pricing .price-monthly {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.app-pricing .price-monthly span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-tertiary);
}

.app-pricing .price-lifetime {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.app-name {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.app-language {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.app-stats-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.app-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.app-stat-pill .pill-icon {
  font-size: 0.85rem;
}

.app-tagline {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  line-height: 1.6;
  margin-bottom: 28px;
}

.app-card-footer {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-app {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--transition);
  background: var(--card-accent);
  color: #fff;
}

.btn-app:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
  filter: brightness(1.1);
}

.btn-app .arrow {
  transition: transform var(--transition);
}

.btn-app:hover .arrow {
  transform: translateX(3px);
}

.app-email {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

.app-email:hover {
  color: var(--text-secondary);
}

/* Coming Soon Card */
.app-card.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 380px;
  border-style: dashed;
}

.coming-soon-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 20px;
}

.coming-soon h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.coming-soon p {
  font-size: 0.95rem;
  color: var(--text-tertiary);
  max-width: 280px;
}

/* ===== WHY SPEAKLANGS ===== */
.why-section {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  padding: 36px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.05);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  line-height: 1.6;
}

/* ===== CTA SECTION ===== */
.cta-section {
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section .cta-content {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 36px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 60px 0 32px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand .footer-logo .logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--accent), #A78BFA);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 800;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  max-width: 280px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer-contact {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

.footer-contact:hover {
  color: var(--text-secondary);
}

.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

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

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  transition: color var(--transition);
}

.footer-bottom-links a:hover {
  color: var(--text-secondary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .apps-grid {
    grid-template-columns: 1fr;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 72px 0;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-subtle);
  }

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

  .mobile-toggle {
    display: flex;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

  .app-card {
    padding: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .app-card-header {
    flex-direction: column;
    gap: 12px;
  }

  .app-pricing {
    text-align: left;
  }

  .app-card-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}