:root {
  --color-primary: #3B9FD9;
  --color-primary-hover: #2E8BC0;
  --color-primary-light: #EAF4FB;
  --color-text: #0B0B0B;
  --color-text-muted: #6B7280;
  --color-text-light: #9CA3AF;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F7F8;
  --color-bg-card: #F3F5F7;
  --color-border: #E5E7EB;
  --color-dark: #0B0B0B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --container: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header / Nav */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.15s ease;
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a.active { color: var(--color-text); font-weight: 600; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.1s ease;
}
.nav-cta:hover { background: var(--color-primary-hover); }
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--color-text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  border: none;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-block { width: 100%; }

/* Hero */
.hero {
  padding: 72px 0 96px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-block;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}
.hero h1 {
  font-size: 56px;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  font-weight: 700;
}
.hero p.lead {
  font-size: 17px;
  color: var(--color-text-muted);
  margin: 0 0 32px;
  max-width: 520px;
}
.hero-illustration {
  background: linear-gradient(135deg, #EAF4FB 0%, #DCEDF8 100%);
  border-radius: var(--radius-lg);
  aspect-ratio: 5/4;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-illustration svg { width: 100%; height: 100%; }

/* Section shared */
.section {
  padding: 80px 0;
}
.section-soft { background: var(--color-bg-soft); }
.section-dark { background: var(--color-dark); color: #fff; }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 {
  font-size: 38px;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 700;
}
.section-head p {
  color: var(--color-text-muted);
  font-size: 16px;
  margin: 0;
}

/* Service grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.service-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.service-card.featured {
  background: var(--color-dark);
  color: #fff;
}
.service-card .icon {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.service-card.featured .icon { color: #fff; }
.service-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}
.service-card p {
  margin: 0;
  font-size: 14px;
  color: var(--color-text-muted);
}
.service-card.featured p { color: #C7CCD1; }

/* Testimonials */
.testimonial {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 28px;
}
.testimonial p.quote {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.65;
}
.person {
  display: flex;
  align-items: center;
  gap: 12px;
}
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}
.avatar.dark { background: var(--color-dark); color: #fff; }
.person strong { display: block; font-size: 14px; }
.person span { font-size: 12px; color: var(--color-text-light); }

/* CTA */
.cta-card {
  background: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  text-align: center;
}
.cta-card h2 {
  font-size: 32px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.cta-card p {
  color: #C7CCD1;
  margin: 0 0 24px;
  font-size: 15px;
}

/* Values */
.value-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}
.value-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.value-card h3 { margin: 0 0 8px; font-size: 16px; }
.value-card p { margin: 0; font-size: 13px; color: var(--color-text-muted); }

/* Story */
.story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  background: var(--color-bg-soft);
  padding: 48px;
  border-radius: var(--radius-lg);
}
.story-image {
  background: linear-gradient(135deg, #dbeafe 0%, #f0f9ff 100%);
  aspect-ratio: 4/3;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.story-image svg { width: 100%; height: 100%; }
.story h2 { margin: 0 0 16px; font-size: 28px; }
.story p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0 0 14px;
}

/* Team */
.team-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}
.team-card .avatar-lg {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  margin: 0 auto 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.team-card h3 { margin: 0 0 6px; font-size: 16px; }
.team-card p { margin: 0; font-size: 13px; color: var(--color-text-muted); }

/* Page head */
.page-head {
  background: var(--color-bg-soft);
  padding: 72px 0;
  text-align: center;
}
.page-head h1 {
  font-size: 48px;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  font-weight: 700;
}
.page-head p {
  color: var(--color-text-muted);
  font-size: 16px;
  margin: 0 auto;
  max-width: 640px;
}
.page-head .meta {
  display: block;
  color: var(--color-text-light);
  font-size: 13px;
  margin-top: 8px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 64px;
  align-items: start;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 159, 217, 0.12);
}
.field textarea { resize: vertical; min-height: 120px; }

.contact-info h2 { font-size: 24px; margin: 0 0 14px; }
.contact-info > p { color: var(--color-text-muted); font-size: 14px; margin: 0 0 28px; }
.info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
}
.info-item .icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.info-item strong { display: block; font-size: 14px; margin-bottom: 2px; }
.info-item span { font-size: 14px; color: var(--color-text-muted); }
.form-status {
  margin-top: 12px;
  font-size: 14px;
  padding: 10px 14px;
  border-radius: 8px;
  display: none;
}
.form-status.show { display: block; }
.form-status.success { background: #E8F7EE; color: #1F7A3C; }
.form-status.error { background: #FDECEC; color: #B42318; }

/* Legal */
.legal {
  padding: 64px 0;
}
.legal h2 {
  font-size: 20px;
  margin: 32px 0 12px;
  letter-spacing: -0.005em;
}
.legal p {
  color: #374151;
  font-size: 15px;
  margin: 0 0 12px;
  line-height: 1.7;
}
.legal h2:first-child { margin-top: 0; }

/* Footer */
.footer {
  background: var(--color-dark);
  color: #fff;
  padding: 56px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
}
.footer-brand strong {
  display: block;
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-brand p { color: #C7CCD1; font-size: 14px; margin: 0 0 6px; }
.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.footer-links a {
  color: #C7CCD1;
  font-size: 14px;
  transition: color 0.15s ease;
}
.footer-links a:hover { color: #fff; }
.footer-links a.active { color: #fff; font-weight: 600; }
.footer-bottom {
  border-top: 1px solid #2A2A2A;
  margin-top: 40px;
  padding-top: 20px;
  color: #8A8A8A;
  font-size: 13px;
}

/* Responsive */
@media (max-width: 900px) {
  .hero { padding: 48px 0 64px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 40px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .story { grid-template-columns: 1fr; padding: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .section-head h2 { font-size: 30px; }
  .page-head h1 { font-size: 36px; }
  .page-head { padding: 56px 0; }
  .section { padding: 56px 0; }
  .footer-top { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--color-border);
  }
  .menu-toggle { display: block; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .cta-card { padding: 40px 20px; }
  .cta-card h2 { font-size: 24px; }
}