/* ===== Design tokens ===== */
:root {
  --navy-900: #060f1f;
  --navy-800: #0b1f3a;
  --navy-700: #11294d;
  --navy-600: #1b3a66;
  --navy-500: #2a5188;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-300: #93c5fd;
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --success: #16a34a;
  --warning: #d97706;
  --error: #dc2626;
  --white: #ffffff;

  --font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, system-ui, sans-serif;

  --container: 1180px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(2, 8, 20, 0.08);
  --shadow: 0 6px 24px rgba(2, 8, 20, 0.12);
  --shadow-lg: 0 18px 48px rgba(2, 8, 20, 0.22);
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--slate-700);
  background: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--blue-500); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-400); }

h1, h2, h3, h4 { line-height: 1.2; color: var(--navy-800); font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin-bottom: 1rem; }

ul { list-style: none; }

/* ===== Layout helpers ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 4.5rem 0; }
.section--tight { padding: 3rem 0; }
.section--alt { background: var(--slate-100); }
.section--navy { background: var(--navy-800); color: var(--slate-200); }
.section--navy h2,
.section--navy h3 { color: var(--white); }

.section-head { max-width: 720px; margin: 0 auto 2.5rem; text-align: center; }
.section-head p { color: var(--slate-500); font-size: 1.05rem; }
.section--navy .section-head p { color: var(--slate-300); }

.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-500);
  margin-bottom: 0.75rem;
}
.section--navy .eyebrow { color: var(--blue-300); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  text-align: center;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--blue-500); color: var(--white); }
.btn--primary:hover { background: var(--navy-700); color: var(--white); }

.btn--ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.45); }
.btn--ghost:hover { background: rgba(255,255,255,0.12); color: var(--white); }

.btn--outline { background: transparent; color: var(--blue-500); border-color: var(--blue-500); }
.btn--outline:hover { background: var(--blue-500); color: var(--white); }

.btn--lg { padding: 1rem 2rem; font-size: 1.05rem; }

/* ===== Header / nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 15, 31, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand { display: flex; align-items: center; gap: 0.6rem; color: var(--white); font-weight: 700; font-size: 1.1rem; letter-spacing: 0.02em; }
.brand img { height: 34px; width: 34px; }
.brand span { color: var(--white); }
.brand small { display: block; font-size: 0.62rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--blue-300); }

.nav { display: flex; align-items: center; gap: 0.25rem; }
.nav a {
  color: var(--slate-200);
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.96rem;
}
.nav a:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav a.active { color: var(--white); background: rgba(59,130,246,0.18); }

.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* ===== Hero ===== */
.hero {
  position: relative;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(6,15,31,0.92) 0%, rgba(11,31,58,0.85) 55%, rgba(17,41,77,0.75) 100%),
    radial-gradient(circle at 80% 20%, rgba(59,130,246,0.25), transparent 45%);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.6), transparent 70%);
}
.hero-inner { position: relative; padding: 6rem 0 5rem; max-width: 820px; }
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero h1 .accent { color: var(--blue-300); }
.hero p { font-size: 1.2rem; color: var(--slate-200); margin-bottom: 2rem; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.hero-stat .num { font-size: 2rem; font-weight: 700; color: var(--white); }
.hero-stat .label { font-size: 0.85rem; color: var(--slate-300); text-transform: uppercase; letter-spacing: 0.08em; }

/* Page banner (interior pages) */
.page-banner {
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(6,15,31,0.94), rgba(11,31,58,0.88)),
    radial-gradient(circle at 85% 15%, rgba(59,130,246,0.22), transparent 45%);
  padding: 4.5rem 0 3.5rem;
  position: relative;
}
.page-banner h1 { color: var(--white); margin-bottom: 0.5rem; }
.page-banner p { color: var(--slate-300); font-size: 1.1rem; max-width: 640px; margin-bottom: 0; }
.breadcrumb { font-size: 0.85rem; color: var(--slate-400); margin-bottom: 1rem; }
.breadcrumb a { color: var(--blue-300); }
.breadcrumb a:hover { color: var(--white); }

/* ===== Cards / grids ===== */
.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-400); }

.service-card .icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--navy-800);
  color: var(--blue-300);
  margin-bottom: 1.1rem;
}
.service-card h3 { margin-bottom: 0.5rem; }
.service-card p { color: var(--slate-500); font-size: 0.96rem; margin-bottom: 0; }
.service-card .link { display: inline-block; margin-top: 1rem; font-weight: 600; font-size: 0.92rem; }

/* Feature list */
.feature-list { display: grid; gap: 1rem; }
.feature-list li { display: flex; gap: 0.75rem; align-items: flex-start; color: var(--slate-600); }
.feature-list .tick { color: var(--success); font-weight: 700; flex-shrink: 0; }

/* Split section */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split--reverse .split-text { order: 2; }
.split-media {
  border-radius: var(--radius-lg);
  min-height: 320px;
  background:
    linear-gradient(135deg, var(--navy-800), var(--navy-600)),
    radial-gradient(circle at 30% 30%, rgba(59,130,246,0.3), transparent 50%);
  position: relative;
  overflow: hidden;
}
.split-media::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Stats band */
.stats-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; text-align: center; }
.stats-band .num { font-size: 2.4rem; font-weight: 700; color: var(--white); }
.stats-band .label { color: var(--slate-300); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; }

/* CTA strip */
.cta-strip {
  background: linear-gradient(120deg, var(--navy-800), var(--navy-600));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.cta-strip h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta-strip p { color: var(--slate-300); margin-bottom: 0; }

/* ===== Contact form ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 2.5rem; align-items: start; }
.contact-info { background: var(--slate-100); border-radius: var(--radius); padding: 2rem; }
.contact-info h3 { margin-bottom: 1.25rem; }
.contact-info dl { display: grid; gap: 1.1rem; }
.contact-info dt { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--slate-500); font-weight: 600; }
.contact-info dd { color: var(--navy-800); font-weight: 500; }
.contact-info dd a { color: var(--navy-800); }
.contact-info dd a:hover { color: var(--blue-500); }

.form-card { background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow-sm); }
.form-note {
  background: var(--slate-100);
  border-left: 4px solid var(--blue-500);
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--slate-600);
  margin-bottom: 1.5rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: 0.9rem; color: var(--slate-700); margin-bottom: 0.35rem; }
.field .req { color: var(--error); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.96rem;
  color: var(--slate-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.18);
}
.field textarea { resize: vertical; min-height: 130px; }
.form-actions { display: flex; align-items: center; gap: 1rem; margin-top: 0.5rem; }
.form-hint { font-size: 0.82rem; color: var(--slate-500); }

/* ===== Footer ===== */
.site-footer {
  margin-top: auto;
  background: var(--navy-900);
  color: var(--slate-400);
  padding: 3rem 0 1.5rem;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer-brand { color: var(--white); font-weight: 700; font-size: 1.05rem; margin-bottom: 0.75rem; }
.footer-brand img { height: 30px; width: 30px; display: inline-block; vertical-align: middle; margin-right: 0.5rem; }
.footer-col h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.footer-col a { display: block; color: var(--slate-400); padding: 0.25rem 0; font-size: 0.92rem; }
.footer-col a:hover { color: var(--blue-300); }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.85rem;
}
.footer-bottom a { color: var(--slate-400); }
.footer-bottom a:hover { color: var(--blue-300); }

/* ===== Privacy / prose ===== */
.prose { max-width: 820px; margin: 0 auto; }
.prose h2 { margin: 2.5rem 0 1rem; font-size: 1.5rem; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 1.5rem 0 0.5rem; font-size: 1.1rem; }
.prose p, .prose li { color: var(--slate-600); margin-bottom: 0.85rem; }
.prose ul { list-style: disc; padding-left: 1.25rem; margin-bottom: 1rem; }
.prose a { color: var(--blue-500); }
.prose .updated { color: var(--slate-400); font-size: 0.9rem; margin-bottom: 2rem; }

/* ===== Animations ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; }
.reveal.in { animation: fadeUp 0.6s ease forwards; }

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 2rem; }
  .split--reverse .split-text { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-900);
    padding: 0.75rem 1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    max-height: calc(100vh - 68px);
    overflow-y: auto;
  }
  .nav.open { transform: translateY(0); }
  .nav a { padding: 0.85rem 1rem; border-radius: 0; }
  .nav a.active { border-left: 3px solid var(--blue-400); }
  .nav-cta { margin: 0.75rem 0 0; }
  .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: flex; }

  .hero-inner { padding: 3.5rem 0 3rem; }
  .hero-stats { gap: 1.5rem; }
  .hero-stat .num { font-size: 1.6rem; }

  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .form-row { grid-template-columns: 1fr; }
  .cta-strip { padding: 2rem; flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; }
}