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

:root {
  --bg: #ffffff;
  --surface: #f5f8ff;
  --border: #e4e9f2;
  --text: #444;
  --muted: #8a95a8;
  --heading: #0f0f0f;
  --blue: #1d4ed8;
  --blue-mid: #2563eb;
  --blue-pale: #eff6ff;
  --blue-border: #c7d9ff;
  --sky: #93c5fd;
  --max: 1080px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Geist', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}

/* ── NAV ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 54px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px);
  z-index: 10;
}

.logo {
  font-weight: 600;
  font-size: 14px;
  color: var(--heading);
  text-decoration: none;
  letter-spacing: -0.3px;
}

.nav-links { display: flex; gap: 28px; }
.nav-links a {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-links a:hover { color: var(--heading); }

.nav-cta {
  font-size: 13px;
  font-weight: 500;
  color: var(--blue);
  text-decoration: none;
  border: 1px solid var(--blue-border);
  background: var(--blue-pale);
  padding: 6px 14px;
  border-radius: 6px;
  transition: background 0.15s, border-color 0.15s;
}
.nav-cta:hover { background: #dbeafe; border-color: var(--sky); }

/* ── HERO ── */
.hero {
  max-width: 100%;
  padding: 0;
  animation: fadeUp 0.45s ease both;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 40px 72px;
}

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 20px;
  font-weight: 400;
}

h1 {
  font-family: 'Geist', sans-serif;
  font-weight: 600;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.05;
  color: var(--heading);
  letter-spacing: -2px;
  margin-bottom: 20px;
}

h1 em {
  font-style: normal;
  color: var(--blue);
  font-weight: 300;
}

.hero-sub {
  font-size: 16px;
  color: var(--muted);
  font-weight: 300;
  max-width: 520px;
  line-height: 1.7;
  margin-bottom: 36px;
}

.cta-row {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
  text-decoration: none;
  padding: 11px 22px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.2px;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--blue-mid); }

.btn-ghost {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.15s;
}
.btn-ghost:hover { color: var(--heading); }

/* ── DIVIDER ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── SHARED SECTION LAYOUT ── */
.services, .how, .contact {
  max-width: var(--max);
  margin: 0 auto;
  padding: 64px 40px;
}

.section-header { margin-bottom: 36px; }

.label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 12px;
  font-weight: 400;
}

.section-header h2 {
  font-family: 'Geist', sans-serif;
  font-weight: 600;
  font-size: 28px;
  color: var(--heading);
  letter-spacing: -0.8px;
  margin-bottom: 10px;
  line-height: 1.2;
}

.section-header p {
  font-size: 14px;
  color: var(--muted);
  font-weight: 300;
  max-width: 520px;
  line-height: 1.65;
}

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.svc {
  padding: 24px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}
.svc:hover { background: var(--surface); }

.svc h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--heading);
  margin-bottom: 5px;
  letter-spacing: -0.2px;
}

.svc p {
  font-size: 13px;
  color: var(--muted);
  font-weight: 300;
}

/* ── CONTACT ── */
.contact-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 24px;
  border: 1px solid var(--border);
  border-radius: 10px;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.contact-card:hover { background: var(--surface); border-color: var(--blue-border); }

.contact-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contact-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.arrow {
  font-size: 14px;
  color: var(--muted);
  transition: transform 0.15s;
}
.contact-card:hover .arrow { transform: translateX(3px); }

.contact-value {
  font-size: 16px;
  font-weight: 500;
  color: var(--heading);
  letter-spacing: -0.3px;
}

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  height: 48px;
  font-size: 12px;
  color: var(--muted);
}

.footer-logo {
  font-weight: 500;
  color: var(--heading);
  font-size: 13px;
}

/* ── ANIMATION ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .nav-links { display: none; }
  .hero-inner, .services, .how, .contact { padding: 48px 20px; }
  nav, footer { padding-left: 20px; padding-right: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  footer { height: auto; padding: 16px 20px; flex-direction: column; gap: 4px; text-align: center; }
  .btn-primary { width: 100%; text-align: center; }
}