:root {
  --navy-950: #0a1628;
  --navy-900: #0f1f38;
  --navy-800: #16294a;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --cyan-400: #22d3ee;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-900: #0f172a;
  --white: #ffffff;
  --radius: 14px;
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, 0.15);
  --shadow-lg: 0 24px 48px -16px rgba(15, 23, 42, 0.25);
  --max-width: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--slate-700);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3 {
  color: var(--slate-900);
  line-height: 1.2;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

p { margin: 0 0 16px; }

a { color: inherit; text-decoration: none; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-600);
  margin: 0 0 12px;
}

.center { text-align: center; }
.section-lead {
  max-width: 620px;
  color: var(--slate-500);
}
.section-lead.center { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  color: var(--white);
  box-shadow: 0 8px 20px -6px rgba(37, 99, 235, 0.5);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -6px rgba(37, 99, 235, 0.55); }
.btn-ghost {
  background: transparent;
  color: var(--slate-900);
  border: 1.5px solid var(--slate-200);
}
.btn-ghost:hover { border-color: var(--blue-500); color: var(--blue-600); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--slate-200);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}
.logo span { color: var(--blue-600); }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--slate-600);
}
.nav a:hover { color: var(--blue-600); }
.nav-cta {
  background: var(--slate-900);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--blue-600) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--slate-900);
  border-radius: 2px;
}

/* Hero */
.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(59, 130, 246, 0.18), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(34, 211, 238, 0.15), transparent 40%),
    var(--navy-950);
  color: var(--white);
  padding: 110px 0 90px;
}
.hero-inner { max-width: 780px; }
.hero .eyebrow { color: var(--cyan-400); }
.hero h1 { color: var(--white); }
.hero .lead { color: var(--slate-400); font-size: 1.1rem; max-width: 620px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin: 32px 0 48px; }
.hero .btn-ghost { color: var(--white); border-color: rgba(255,255,255,0.25); }
.hero .btn-ghost:hover { border-color: var(--cyan-400); color: var(--cyan-400); }

.hero-stats {
  display: flex;
  gap: 40px;
  list-style: none;
  padding: 24px 0 0;
  margin: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  flex-wrap: wrap;
}
.hero-stats li { display: flex; flex-direction: column; gap: 2px; }
.hero-stats strong { font-size: 1.5rem; color: var(--white); }
.hero-stats span { font-size: 0.85rem; color: var(--slate-400); }

.logos {
  padding: 28px 0;
  border-bottom: 1px solid var(--slate-200);
}
.logos p {
  margin: 0;
  text-align: center;
  color: var(--slate-500);
  font-size: 0.9rem;
}

/* Services */
.services { padding: 100px 0; background: var(--slate-50); }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.card .icon {
  font-size: 1.8rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-100);
  border-radius: 12px;
  margin-bottom: 20px;
}
.card p { color: var(--slate-500); margin: 0; }

/* About */
.about { padding: 100px 0; }
.about-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 56px;
  align-items: start;
}
.check-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 14px; }
.check-list li { padding-left: 30px; position: relative; color: var(--slate-600); }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: -1px;
  width: 20px;
  height: 20px;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 50%;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-card {
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800));
  color: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.about-card h3 { color: var(--white); }
.about-card p { color: var(--slate-400); margin: 0; }

/* Process */
.process { padding: 100px 0; background: var(--slate-50); }
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
  margin-top: 48px;
}
.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-600), var(--cyan-400));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 18px;
}
.step p { color: var(--slate-500); }

/* CTA */
.cta {
  background: var(--navy-950);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}
.cta-inner { max-width: 560px; margin: 0 auto; }
.cta h2 { color: var(--white); }
.cta p { color: var(--slate-400); margin-bottom: 32px; }

/* Contact */
.contact { padding: 100px 0; }
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}
.contact-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 12px; }
.contact-list a:hover { color: var(--blue-600); }
.contact-form {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 18px;
}
.contact-form label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--slate-700);
}
.contact-form input,
.contact-form textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--slate-200);
  background: var(--white);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.form-note {
  font-size: 0.8rem;
  color: var(--slate-400);
  margin: 0;
}

/* Footer */
.site-footer {
  background: var(--navy-950);
  color: var(--slate-400);
  padding: 40px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo { font-weight: 800; color: var(--white); font-size: 1.1rem; }
.footer-logo span { color: var(--cyan-400); }
.footer-nav { display: flex; gap: 24px; flex-wrap: wrap; font-size: 0.9rem; }
.footer-nav a:hover { color: var(--white); }
.footer-copy { font-size: 0.85rem; margin: 0; width: 100%; text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); }

/* Responsive */
@media (max-width: 860px) {
  .about-inner, .contact-inner { grid-template-columns: 1fr; }
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--slate-200);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
  }
  .nav a { width: 100%; padding: 10px 0; }
  .nav.open { display: flex; }
  .nav-cta { width: fit-content; }
  .nav-toggle { display: flex; }
}