:root {
  --bg: #0a0f1a;
  --bg-soft: #101827;
  --bg-card: #131c2e;
  --bg-hover: #1a2540;
  --primary: #3b82f6;
  --secondary: #ec4899;
  --text: #e6ebf5;
  --text-dim: #94a3b8;
  --border: #233252;
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---------- Nav ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 15, 26, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.5px;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 800;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.25s;
}

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

.nav-links .contact-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 600;
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 24px 90px;
  text-align: center;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(59, 130, 246, 0.18), transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(236, 72, 153, 0.14), transparent 55%),
    var(--bg);
}

.hero-content { max-width: 900px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  border: 1px solid var(--border);
  background: rgba(59, 130, 246, 0.08);
  padding: 8px 18px;
  border-radius: 30px;
  margin-bottom: 26px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 22px;
}

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

.hero p {
  font-size: 1.12rem;
  color: var(--text-dim);
  max-width: 720px;
  margin: 0 auto 34px;
}

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

.btn {
  display: inline-block;
  padding: 13px 30px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.98rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--bg-soft);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}

.stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 12px;
}

.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

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

/* ---------- Sections ---------- */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto;
}

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

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: border-color 0.3s, transform 0.3s, background 0.3s;
}

.feature-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  background: var(--bg-hover);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.93rem;
  color: var(--text-dim);
}

/* ---------- Approach ---------- */
.approach-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  font-weight: 800;
  margin-bottom: 14px;
}

.step h4 { margin-bottom: 8px; font-size: 1.02rem; }
.step p { font-size: 0.88rem; color: var(--text-dim); }

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  background:
    radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15), transparent 65%),
    var(--bg);
}

.cta h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); margin-bottom: 14px; }
.cta p { color: var(--text-dim); margin-bottom: 30px; }

/* ---------- Page banner ---------- */
.page-banner {
  padding: 90px 24px 50px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(59, 130, 246, 0.14), transparent 60%),
    var(--bg);
}

.page-banner h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 12px; }
.page-banner p { color: var(--text-dim); max-width: 680px; margin: 0 auto; }

/* ---------- Content page ---------- */
.content-page { padding: 30px 24px 80px; }

.content-container {
  max-width: 900px;
  margin: 0 auto;
}

.content-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 32px;
  margin-bottom: 26px;
}

.content-section h2 {
  font-size: 1.45rem;
  margin-bottom: 16px;
  color: var(--text);
}

.content-section h3 { font-size: 1.15rem; margin: 20px 0 10px; color: var(--text); }

.content-section p { margin-bottom: 14px; color: var(--text-dim); }
.content-section p strong { color: var(--text); }

.content-section ul {
  margin: 0 0 14px 0;
  padding-left: 0;
}

.content-section ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--text-dim);
}

.content-section ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}

/* ---------- Service detail ---------- */
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.service-detail-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.service-detail-card h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.service-icon { margin-right: 8px; }

.card-tag {
  display: inline-block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  border: 1px solid var(--border);
  background: rgba(59, 130, 246, 0.08);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.delivery-model { margin-top: 40px; }

.delivery-model h2 {
  text-align: center;
  font-size: 1.6rem;
  margin-bottom: 30px;
}

.delivery-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.delivery-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
}

.delivery-step h4 { margin: 10px 0 6px; }
.delivery-step p { font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Team ---------- */
.team-page-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.team-page-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: border-color 0.3s, transform 0.3s;
}

.team-page-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.avatar {
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(236, 72, 153, 0.2));
}

.team-page-card h3 { font-size: 1.05rem; margin-bottom: 4px; }

.role {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 10px;
}

.desc { font-size: 0.88rem; color: var(--text-dim); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
}

.contact-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-info h2 { margin-bottom: 22px; }

.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}

.contact-info-item .icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(236, 72, 153, 0.2));
}

.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 2px; }
.contact-info-item p { font-size: 0.92rem; color: var(--text-dim); }
.contact-info-item a { color: var(--primary); }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-form h2 { margin-bottom: 22px; }

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--primary); }

.form-group textarea { min-height: 140px; resize: vertical; }

.form-success {
  margin-top: 14px;
  color: #34d399;
  font-weight: 600;
  display: none;
}

/* ---------- Footer ---------- */
footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 60px 24px 24px;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-dim);
  max-width: 320px;
}

.footer-links h4 {
  font-size: 1rem;
  margin-bottom: 14px;
}

.footer-links ul li { margin-bottom: 8px; }
.footer-links ul li a { font-size: 0.9rem; color: var(--text-dim); transition: color 0.25s; }
.footer-links ul li a:hover { color: var(--text); }

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-bottom-links a { margin-left: 18px; color: var(--text-dim); }
.footer-bottom-links a:hover { color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .approach-steps, .delivery-steps { grid-template-columns: repeat(3, 1fr); }
  .team-page-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 73px;
    right: -100%;
    flex-direction: column;
    background: var(--bg-soft);
    width: 260px;
    height: calc(100vh - 73px);
    padding: 30px 24px;
    gap: 22px;
    transition: right 0.35s;
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .approach-steps, .delivery-steps { grid-template-columns: 1fr 1fr; }
  .team-page-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .content-section { padding: 26px 20px; }
}