/* ====================================
   SONUS LANDING PAGE STYLES
   Modern Landing Page Design
   ==================================== */

/* ==================================
   HERO SECTION
   ================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--gray-950) 0%, var(--black) 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  width: 200%;
  height: 200%;
  top: -50%;
  left: -50%;
  background:
    radial-gradient(circle at 30% 20%, rgba(147, 51, 234, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(147, 51, 234, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(147, 51, 234, 0.05) 0%, transparent 60%);
  animation: heroFloat 30s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(-30px, -20px) rotate(120deg); }
  66% { transform: translate(20px, 30px) rotate(240deg); }
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--purple-400);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 15s linear infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-100vh) scale(1);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-2xl);
}

.hero-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  margin: 0 auto var(--space-2xl);
  background: linear-gradient(135deg, var(--purple-500), var(--purple-700));
  border-radius: var(--radius-2xl);
  box-shadow:
    0 20px 60px rgba(147, 51, 234, 0.4),
    0 0 100px rgba(147, 51, 234, 0.2);
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(5deg); }
}

.hero-logo i {
  font-size: 3.5rem;
  color: white;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, white 30%, var(--purple-300) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: titleGlow 3s ease-in-out infinite;
}

@keyframes titleGlow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.2); }
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  padding: var(--space-md) var(--space-2xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.hero-btn-primary {
  background: linear-gradient(135deg, var(--purple-500), var(--purple-600));
  color: white;
  box-shadow: 0 10px 40px rgba(147, 51, 234, 0.4);
}

.hero-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 50px rgba(147, 51, 234, 0.5);
}

.hero-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border: 2px solid rgba(147, 51, 234, 0.5);
  backdrop-filter: blur(10px);
}

.hero-btn-secondary:hover {
  background: rgba(147, 51, 234, 0.1);
  border-color: var(--purple-400);
  transform: translateY(-3px);
}

/* ==================================
   NAVIGATION
   ================================== */
.landing-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg) var(--space-2xl);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.landing-nav.scrolled {
  padding: var(--space-md) var(--space-2xl);
  background: rgba(9, 9, 11, 0.95);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--purple-500), var(--purple-600));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.nav-logo:hover .nav-logo-icon {
  transform: rotate(-10deg) scale(1.05);
}

.nav-logo-text {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: white;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  list-style: none;
}

.nav-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--purple-500);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: white;
}

.nav-link:hover::after {
  width: 100%;
}

.nav-auth {
  display: flex;
  gap: var(--space-md);
}

/* ==================================
   FEATURES SECTION
   ================================== */
.features-section {
  padding: var(--space-3xl) var(--space-2xl);
  background: var(--black);
  position: relative;
  overflow: hidden;
}

.features-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(147, 51, 234, 0.05) 50%, transparent 100%);
  pointer-events: none;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, white, var(--purple-300));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-2xl);
}

.feature-card {
  background: rgba(24, 24, 27, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--purple-500), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: rgba(24, 24, 27, 0.8);
  border-color: rgba(147, 51, 234, 0.3);
  box-shadow: 0 20px 60px rgba(147, 51, 234, 0.2);
}

.feature-card:hover::before {
  transform: translateX(100%);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--purple-500), var(--purple-700));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  box-shadow: 0 10px 30px rgba(147, 51, 234, 0.3);
}

.feature-icon i {
  font-size: 1.5rem;
  color: white;
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: white;
  margin-bottom: var(--space-sm);
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ==================================
   STATS SECTION
   ================================== */
.stats-section {
  padding: var(--space-3xl) var(--space-2xl);
  background: linear-gradient(135deg, var(--purple-900), var(--purple-800));
  position: relative;
  overflow: hidden;
}

.stats-pattern {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(255,255,255,0.02) 35px, rgba(255,255,255,0.02) 70px);
  pointer-events: none;
}

.stats-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-2xl);
}

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

.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.stat-number::after {
  content: '+';
  position: absolute;
  top: 0;
  right: -20px;
  font-size: 1.5rem;
  color: var(--purple-300);
}

.stat-label {
  font-size: var(--font-size-lg);
  color: var(--purple-200);
  font-weight: var(--font-weight-medium);
}

/* ==================================
   CTA SECTION
   ================================== */
.cta-section {
  padding: var(--space-3xl) var(--space-2xl);
  background: var(--gray-950);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(147, 51, 234, 0.2) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  filter: blur(100px);
  animation: ctaPulse 4s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--space-lg);
}

.cta-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) var(--space-3xl);
  background: linear-gradient(135deg, var(--purple-500), var(--purple-600));
  color: white;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 20px 60px rgba(147, 51, 234, 0.4);
}

.cta-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 30px 80px rgba(147, 51, 234, 0.5);
}

/* ==================================
   FOOTER
   ================================== */
.landing-footer {
  padding: var(--space-2xl);
  background: var(--black);
  border-top: 1px solid var(--color-border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  margin-bottom: var(--space-md);
}

.footer-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer-section h4 {
  color: white;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--purple-400);
}

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(147, 51, 234, 0.1);
  border: 1px solid rgba(147, 51, 234, 0.3);
  border-radius: var(--radius-md);
  color: var(--purple-400);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--purple-500);
  border-color: var(--purple-500);
  color: white;
  transform: translateY(-3px);
}

.footer-bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
}

/* ==================================
   MOBILE MENU
   ================================== */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  position: relative;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: rgba(9, 9, 11, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg);
  z-index: var(--z-dropdown);
  animation: slideDown 0.3s ease-out;
}

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

.mobile-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu-link {
  color: white;
  text-decoration: none;
  padding: var(--space-sm) 0;
  display: block;
  transition: color var(--transition-fast);
}

.mobile-menu-link:hover {
  color: var(--purple-400);
}

/* ==================================
   RESPONSIVE
   ================================== */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu,
  .nav-auth {
    display: none;
  }

  .hero-title {
    font-size: clamp(2rem, 8vw, 3rem);
  }

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

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

  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-social {
    justify-content: center;
  }
}