/* ===== CSS Variables ===== */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-card-hover: #1e293b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: #1e293b;
  --gradient-main: linear-gradient(135deg, #06b6d4, #0ea5e9);
  --gradient-main-hover: linear-gradient(135deg, #0ea5e9, #06b6d4);
  --accent-color: #06b6d4;
  --accent-glow: rgba(6, 182, 212, 0.15);
  --header-height: 70px;
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--accent-color); text-decoration: none; transition: var(--transition); }
a:hover { color: #38bdf8; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; }
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 60px;
  line-height: 1.8;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #fff;
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}
.btn-outline:hover {
  background: var(--accent-color);
  color: #fff;
  transform: translateY(-2px);
}
.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.header.scrolled {
  border-bottom-color: var(--border-color);
  background: rgba(10, 14, 23, 0.95);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-main);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
}
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
}
.nav a:hover,
.nav a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-height);
  background: linear-gradient(135deg, #0a0e17 0%, #0f1729 50%, #0a0e17 100%);
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, #06b6d411 0%, transparent 50%),
              radial-gradient(circle at 70% 50%, #0ea5e908 0%, transparent 50%);
  pointer-events: none;
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}
.hero-content h1 .highlight {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-content p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 540px;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===== Hero Visual ===== */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.code-block {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  position: relative;
}
.code-block::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: var(--gradient-main);
  opacity: 0.15;
  z-index: -1;
}
.code-dots {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.code-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.code-dots span:nth-child(1) { background: #ef4444; }
.code-dots span:nth-child(2) { background: #f59e0b; }
.code-dots span:nth-child(3) { background: #10b981; }
.code-line {
  display: block;
  font-family: 'Cascadia Code', 'Fira Code', monospace;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  white-space: pre-wrap;
}
.code-line .kw { color: #c084fc; }
.code-line .fn { color: #38bdf8; }
.code-line .str { color: #34d399; }
.code-line .cmt { color: #64748b; font-style: italic; }
.floating-badge {
  position: absolute;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  animation: float 6s ease-in-out infinite;
}
.floating-badge .icon { font-size: 1.2rem; }
.floating-badge.top-right { top: -20px; right: -20px; }
.floating-badge.bottom-left { bottom: -20px; left: -20px; animation-delay: -3s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-main);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover { 
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-glow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}
.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== About Preview ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.stat-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.stat-item:hover {
  border-color: var(--accent-color);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 4px;
}
.about-text h2 { margin-bottom: 20px; }
.about-text > p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 24px;
}
.values-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.values-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
}
.values-list li .check {
  color: var(--accent-color);
  font-weight: bold;
}

/* ===== Process ===== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  counter-increment: step;
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}
.process-step:hover {
  border-color: var(--accent-color);
  transform: translateY(-4px);
}
.process-step::before {
  content: counter(step);
  width: 44px;
  height: 44px;
  background: var(--gradient-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin: 0 auto 16px;
  color: #fff;
}
.process-step h4 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}
.process-step p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05), rgba(14, 165, 233, 0.05));
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.cta-section h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.cta-section p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* ===== Team ===== */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.team-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: var(--transition);
}
.team-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
}
.team-card h4 { font-size: 1.05rem; margin-bottom: 4px; }
.team-role {
  color: var(--accent-color);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 12px;
}
.team-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-info h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
}
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-item .icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-item h4 { font-size: 1rem; margin-bottom: 2px; }
.contact-item p, .contact-item a { color: var(--text-secondary); font-size: 0.95rem; }
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ===== Footer ===== */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}
.footer h4 {
  font-size: 1rem;
  margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-color); }
.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ===== Page Header ===== */
.page-header {
  padding: 140px 0 60px;
  text-align: center;
  background: linear-gradient(135deg, #0a0e17 0%, #0f1729 50%, #0a0e17 100%);
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 100%, #06b6d411 0%, transparent 50%);
  pointer-events: none;
}
.page-header h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  position: relative;
}

/* ===== Services Page ===== */
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: var(--transition);
}
.service-detail-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.service-detail-card .icon {
  width: 60px;
  height: 60px;
  background: var(--accent-glow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}
.service-detail-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}
.service-detail-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}
.service-detail-card ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.service-detail-card ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.service-detail-card ul li::before {
  content: '✓';
  color: var(--accent-color);
  font-weight: bold;
}

/* ===== About Page ===== */
.about-content {
  max-width: 900px;
  margin: 0 auto;
}
.about-content h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  margin-top: 40px;
}
.about-content h2:first-child { margin-top: 0; }
.about-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.about-content ul {
  margin-bottom: 20px;
}
.about-content ul li {
  color: var(--text-secondary);
  padding: 8px 0 8px 24px;
  position: relative;
  line-height: 1.6;
}
.about-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 16px;
  width: 8px;
  height: 8px;
  background: var(--accent-color);
  border-radius: 50%;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 40px 0;
}
.value-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.value-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-4px);
}
.value-card .icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.value-card h4 { font-size: 1.1rem; margin-bottom: 8px; }
.value-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Privacy / Terms Pages ===== */
.policy-content {
  max-width: 860px;
  margin: 0 auto;
}
.policy-content h2 {
  font-size: 1.5rem;
  margin-top: 40px;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.policy-content h3 {
  font-size: 1.2rem;
  margin-top: 28px;
  margin-bottom: 12px;
  color: var(--accent-color);
}
.policy-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 12px;
}
.policy-content ul, .policy-content ol {
  margin: 12px 0 20px 20px;
}
.policy-content ul li, .policy-content ol li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 6px;
}
.policy-content ul li strong, .policy-content ol li strong {
  color: var(--text-primary);
}
.policy-content ul ul {
  margin: 6px 0 6px 20px;
}
.policy-content strong {
  color: var(--text-primary);
}
.policy-section {
  margin-bottom: 8px;
}
.policy-date {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 40px;
}

/* ===== Fade In Animation ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-content p { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .hero-content h1 { font-size: 2.8rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-detail-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav { display: none; position: fixed; top: var(--header-height); left: 0; right: 0; background: rgba(10,14,23,0.98); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--border-color); }
  .nav.open { display: flex; }
  .hamburger { display: flex; }
  .hero-content h1 { font-size: 2.2rem; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .section { padding: 60px 0; }
  .section-title { font-size: 1.8rem; }
  .services-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .code-block { padding: 20px; }
  .floating-badge { display: none; }
  .form-row { grid-template-columns: 1fr; }
  .page-header { padding: 120px 0 40px; }
  .page-header h1 { font-size: 2rem; }
}
@media (max-width: 480px) {
  .hero-content h1 { font-size: 1.8rem; }
  .section-title { font-size: 1.5rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
}