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

:root {
  --bg: #070707;
  --bg-elevated: #0d0d12;
  --bg-card: #0f0f18;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --fg: #ffffff;
  --fg-muted: #a1a1aa;
  --fg-subtle: #71717a;
  --cyan: #06b6d4;
  --violet: #8b5cf6;
  --green: #22c55e;
  --gradient: linear-gradient(135deg, var(--cyan), var(--violet));
  --font: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-w: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
}

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

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

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

/* ===== Container ===== */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: white;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.2);
}

.btn-secondary {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.03);
}

.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
}

.btn-ghost:hover {
  color: var(--fg);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

/* ===== Gradient Text ===== */
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Highlight Text (LiveKit style) ===== */
.highlight-text {
  color: var(--cyan);
}

/* ===== Logo Image ===== */
.logo-img {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.logo-img-sm {
  height: 26px;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 7, 7, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.875rem;
  color: var(--fg-muted);
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--fg);
  transition: all 0.3s;
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 180px 0 80px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(
    ellipse at center,
    rgba(6, 182, 212, 0.12) 0%,
    rgba(139, 92, 246, 0.08) 40%,
    transparent 70%
  );
  pointer-events: none;
  animation: glow-pulse 6s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
  0% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.8rem;
  color: var(--fg-muted);
  margin-bottom: 32px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 24px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 80px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border);
  max-width: 700px;
  margin: 0 auto;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--fg-subtle);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ===== Logos Section ===== */
.logos-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}

.logos-title {
  text-align: center;
  font-size: 0.8rem;
  color: var(--fg-subtle);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
}

.logos-grid {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.logo-item:hover {
  opacity: 0.9;
}

.logo-item span {
  font-size: 0.75rem;
  color: var(--fg-subtle);
  font-weight: 500;
}

/* ===== Sections Common ===== */
.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  font-family: var(--mono);
}

.section-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

/* ===== Services ===== */
.services {
  padding: 120px 0;
}

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

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

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

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

.service-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(6, 182, 212, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.service-card > p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.8rem;
  color: var(--fg-subtle);
  padding-left: 16px;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ===== Tech Section ===== */
.tech-section {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.tech-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.tech-category h4 {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--fg-muted);
}

.tech-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tech-chip {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--fg-muted);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.2s;
}

.tech-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(6, 182, 212, 0.05);
}

/* ===== Process ===== */
.process {
  padding: 120px 0;
  border-top: 1px solid var(--border);
}

.process-steps {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 24px;
  bottom: 24px;
  width: 1px;
  background: linear-gradient(to bottom, var(--cyan), var(--violet));
  opacity: 0.2;
}

.step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  position: relative;
}

.step-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
  min-width: 64px;
  font-family: var(--mono);
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 120px 0;
}

.cta-card {
  position: relative;
  text-align: center;
  padding: 80px 40px;
  border-radius: 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 300px;
  background: radial-gradient(
    ellipse at center,
    rgba(6, 182, 212, 0.1) 0%,
    rgba(139, 92, 246, 0.06) 50%,
    transparent 70%
  );
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}

.cta-card p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  position: relative;
}

/* ===== Footer ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--fg-subtle);
  line-height: 1.6;
}

.footer-brand .logo {
  margin-bottom: 4px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h5 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg);
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--fg-subtle);
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

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

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--fg-subtle);
  transition: color 0.2s;
}

.footer-social a:hover {
  color: var(--fg);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(7, 7, 7, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }

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

  .nav-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    padding: 140px 0 60px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero h1 br {
    display: none;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
    margin-bottom: 48px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 24px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

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

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

  .process-steps::before {
    display: none;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    font-size: 1.75rem;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cta-card {
    padding: 48px 24px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .logos-grid {
    gap: 32px;
  }
}

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

  .hero h1 {
    font-size: 1.75rem;
  }

  .section-header h2 {
    font-size: 1.5rem;
  }
}