:root {
  --bg-base: #0F172A;
  --bg-surface: #1E293B;
  --bg-surface-hover: #334155;
  --primary: #38BDF8;
  --secondary: #A855F7;
  --text-heading: #F1F5F9;
  --text-body: #94A3B8;
  --text-muted: #64748B;
  --success: #10B981;
  --border: #334155;
  --glow: rgba(56, 189, 248, 0.15);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-base);
  color: var(--text-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Pattern */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(56, 189, 248, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.03) 0%, transparent 50%),
    linear-gradient(rgba(15, 23, 42, 0.97), rgba(15, 23, 42, 0.97)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23334155' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
  z-index: -1;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-heading);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 64px;
  height: 64px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.nav-links a {
  color: var(--text-body);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Language Toggle */
.lang-toggle {
  display: flex;
  background: var(--bg-surface);
  border-radius: 24px;
  padding: 4px;
  border: 1px solid var(--border);
}

.lang-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg-base);
}

.nav-cta {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--primary);
  color: var(--bg-base);
  box-shadow: 0 0 20px var(--glow);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-heading);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 24px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

.hero h1,
.hero h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero h1 span,
.hero h2 span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.2rem;
  max-width: 640px;
  margin: 0 auto 40px;
  color: var(--text-body);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--primary), #0EA5E9);
  color: var(--bg-base);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(56, 189, 248, 0.3);
}

.btn-secondary {
  padding: 14px 32px;
  background: transparent;
  color: var(--text-heading);
  font-size: 1rem;
  font-weight: 600;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(56, 189, 248, 0.05);
}

.hero-video {
  max-width: 900px;
  margin: 0 auto;
  aspect-ratio: 16/9;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-video::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.05), rgba(168, 85, 247, 0.05));
}

.video-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.video-icon svg {
  width: 32px;
  height: 32px;
  fill: var(--bg-base);
  margin-left: 4px;
}

.hero-video-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  position: relative;
  z-index: 1;
}

/* Section Styles */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  color: var(--text-heading);
  margin-bottom: 16px;
  font-weight: 700;
}

.section-header p {
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-body);
}

/* Problem vs Solution */
.problem-solution {
  background: var(--bg-surface);
}

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

.ps-card {
  padding: 40px;
  border-radius: 16px;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
}

.ps-card:hover {
  transform: translateY(-4px);
}

.ps-card.problem {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), transparent);
  border-color: rgba(239, 68, 68, 0.3);
}

.ps-card.solution {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), transparent);
  border-color: rgba(16, 185, 129, 0.3);
}

.ps-card h3 {
  font-size: 1.5rem;
  color: var(--text-heading);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ps-card.problem h3 {
  color: #F87171;
}

.ps-card.solution h3 {
  color: var(--success);
}

.ps-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ps-card.problem .ps-icon {
  background: rgba(239, 68, 68, 0.2);
}

.ps-card.solution .ps-icon {
  background: rgba(16, 185, 129, 0.2);
}

.ps-list {
  list-style: none;
}

.ps-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.ps-list li:last-child {
  border-bottom: none;
}

.ps-list li::before {
  content: '×';
  color: #F87171;
  font-size: 1.2rem;
  line-height: 1;
}

.ps-card.solution .ps-list li::before {
  content: '✓';
  color: var(--success);
}

.ps-image {
  margin-top: 32px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
}

.ps-image img {
  display: block;
  width: 100%;
  height: auto;
}

/* How It Works */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--glow);
}

.step-number {
  position: absolute;
  top: -12px;
  left: 24px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--bg-base);
  font-size: 1.1rem;
}

.step-card h3 {
  color: var(--text-heading);
  font-size: 1.25rem;
  margin: 16px 0 12px;
}

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

/* Features */
.features {
  background: var(--bg-surface);
}

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

.feature-card {
  padding: 32px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 32px var(--glow);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.2), rgba(168, 85, 247, 0.2));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  color: var(--text-heading);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

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

/* Proof & Metrics */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.metric-box {
  padding: 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  text-align: center;
}

.metric-box h4 {
  color: var(--primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.metric-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

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

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-heading);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.demo-videos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-placeholder {
  aspect-ratio: 16/9;
  background: var(--bg-surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  min-height: 200px;
}

.video-placeholder svg {
  width: 48px;
  height: 48px;
  stroke: var(--text-muted);
  margin-bottom: 12px;
}

/* About */
.about {
  background: var(--bg-surface);
}

.about-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 60px;
  align-items: center;
}

.about-photo {
  width: 100%;
  aspect-ratio: 1;
  background: var(--bg-base);
  border: 2px dashed var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
  padding: 20px;
}

.about-content h2 {
  font-size: 2.5rem;
  color: var(--text-heading);
  margin-bottom: 20px;
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 24px;
  color: var(--text-body);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-heading);
  font-size: 0.95rem;
}

.about-feature svg {
  width: 20px;
  height: 20px;
  stroke: var(--success);
  flex-shrink: 0;
}

/* Contact */
.contact {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-surface) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info h2 {
  font-size: 2.25rem;
  color: var(--text-heading);
  margin-bottom: 16px;
}

.contact-info>p {
  font-size: 1.1rem;
  color: var(--text-body);
  margin-bottom: 32px;
}

.direct-contact {
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  color: var(--text-body);
}

.contact-item a {
  color: var(--text-heading);
  text-decoration: none;
  transition: all 0.3s ease;
}

.contact-item a:hover {
  color: var(--primary);
}

.contact-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--primary);
}

.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: #0077B5;
  color: white;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.linkedin-btn:hover {
  background: #005885;
  transform: translateY(-2px);
}

.linkedin-btn svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.contact-form {
  padding: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  color: var(--text-heading);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.label-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  line-height: 1.4;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-heading);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.submit-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg-base);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(56, 189, 248, 0.3);
}

/* Footer */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.social-links a:hover {
  border-color: var(--primary);
  background: rgba(56, 189, 248, 0.1);
}

.social-links svg {
  width: 20px;
  height: 20px;
  fill: var(--text-body);
}

/* Responsive */
@media (max-width: 1024px) {

  .ps-grid,
  .steps-grid,
  .features-grid,
  .contact-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .demo-videos {
    grid-template-columns: 1fr;
  }

  .about-photo {
    max-width: 250px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  section {
    padding: 60px 0;
  }

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

  .nav-right {
    gap: 12px;
  }
}


/* Toast Notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 16px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--primary);
  border-radius: 12px;
  color: var(--text-heading);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 0 15px rgba(56, 189, 248, 0.2);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 9999;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  width: 24px;
  height: 24px;
  color: var(--success);
}

.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  color: var(--success);
  font-weight: 600;
  margin-top: 16px;
  padding: 12px 16px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 10px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  font-size: 0.95rem;
  animation: formFadeIn 0.4s ease forwards;
}

.form-success.show {
  display: flex;
}

@keyframes formFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.submit-btn:disabled {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none !important;
}