:root {
  --plum: #6D4CDB;
  --plum-dark: #5A3DC0;
  --plum-soft: rgba(109, 76, 219, 0.12);
  --ink: #0E1729;
  --ink-soft: #1B2438;
  --paper: #FFFFFF;
  --paper-tint: #F3F5F8;
  --muted: #5C6577;
  --hairline: rgba(14, 23, 41, 0.08);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-card: 0 1px 2px rgba(14, 23, 41, 0.05), 0 8px 24px rgba(14, 23, 41, 0.06);
  --font-sans: 'Inter Tight', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--ink); text-decoration: none; }
a:hover { color: var(--plum); }

img { display: block; max-width: 100%; }

/* Header */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-link { display: inline-flex; }
.logo { height: 40px; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.site-nav a {
  font-weight: 500;
  font-size: 15px;
  color: var(--ink);
  transition: color .15s ease;
}
.site-nav a:hover { color: var(--plum); }

.cta-link {
  background: var(--ink);
  color: var(--paper) !important;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
}
.cta-link:hover { background: var(--plum); color: var(--paper) !important; }

/* Hero */
.hero {
  padding: 80px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-inner { max-width: 820px; }

.hero h1 {
  font-size: clamp(44px, 6vw, 84px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 28px;
  color: var(--ink);
}

.accent {
  color: var(--plum);
}

.lede {
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.5;
  color: var(--muted);
  max-width: 680px;
  margin: 0 0 36px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 12px;
  font-family: inherit;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--plum);
  color: var(--paper);
}
.btn-primary:hover {
  background: var(--plum-dark);
  color: var(--paper);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(109, 76, 219, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--hairline);
}
.btn-ghost:hover {
  border-color: var(--plum);
  color: var(--plum);
}

.btn-lg { padding: 18px 32px; font-size: 18px; }

/* Services */
.services {
  padding: 60px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
}

.services h2 {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 40px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  max-width: 880px;
}

.service-card {
  background: var(--paper-tint);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.service-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: var(--plum-soft);
}

.service-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--plum);
  background: var(--plum-soft);
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}

.service-card h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}

/* Contact */
.contact {
  padding: 80px 48px;
  background: var(--ink);
  color: var(--paper);
}
.contact-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.contact h2 {
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.contact p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  margin: 0 0 32px;
}

/* Footer */
.site-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 48px 40px;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer-logo { height: 36px; margin-bottom: 14px; }
.footer-tag { color: var(--muted); margin: 0; max-width: 360px; }

.footer-meta p {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--muted);
}
.footer-meta a { color: var(--muted); }
.footer-meta a:hover { color: var(--plum); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  font-size: 14px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 720px) {
  .site-header { padding: 20px 24px; }
  .hero { padding: 48px 24px 60px; }
  .services { padding: 40px 24px 60px; }
  .contact { padding: 60px 24px; }
  .site-footer { padding: 48px 24px 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .site-nav { gap: 16px; }
}