/* ── RESET & BASE ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --navy: #0a1628;
  --navy-90: rgba(10,22,40,0.9);
  --blue: #2563eb;
  --blue-light: rgba(37,99,235,0.08);
  --blue-bright: #3b82f6;
  --amber: #f59e0b;
  --amber-light: rgba(245,158,11,0.12);
  --red: #dc2626;
  --white: #fafaf9;
  --gray-50: #f7f6f4;
  --gray-100: #eeedeb;
  --gray-300: #c4c2be;
  --gray-500: #787672;
  --gray-700: #3d3b38;
  --gray-900: #1a1917;
  --radius: 4px;
}
html { scroll-behavior: smooth; font-size: 17px; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: Georgia, 'Times New Roman', serif; font-weight: 400; color: var(--navy); }
h1 { font-size: 2.8rem; line-height: 1.15; letter-spacing: -0.5px; }
h2 { font-size: 2rem; line-height: 1.2; letter-spacing: -0.3px; }
h3 { font-size: 1.35rem; line-height: 1.3; }
h4 { font-size: 1.1rem; font-family: system-ui, -apple-system, sans-serif; font-weight: 600; }
p { margin-bottom: 1rem; }
a { color: var(--blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--navy); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── LAYOUT ── */
.container { max-width: 1040px; margin: 0 auto; padding: 0 28px; }
.container-wide { max-width: 1160px; margin: 0 auto; padding: 0 28px; }
section { padding: 80px 0; }
section.alt { background: var(--gray-50); }
.section-label {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2.5px;
  color: var(--blue); margin-bottom: 12px; font-family: system-ui, -apple-system, sans-serif; font-weight: 600;
}
.section-intro { font-size: 1.15rem; color: var(--gray-700); max-width: 680px; margin-bottom: 40px; }

/* ── TOP BAR ── */
.topbar {
  background: var(--navy); color: var(--white); font-size: 0.78rem;
  padding: 8px 0; text-align: center; letter-spacing: 0.3px;
}
.topbar a { color: var(--blue-bright); }

/* ── HEADER ── */
header {
  background: var(--navy); border-bottom: 1px solid rgba(250,250,249,0.1);
  position: sticky; top: 0; z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo svg { width: 36px; height: 36px; flex-shrink: 0; }
.logo-text { font-family: Georgia, serif; font-size: 1.2rem; font-weight: 400; color: var(--white); line-height: 1.2; }
.logo-text b { font-weight: 700; color: var(--blue-bright); }
.logo-text .dot { color: var(--red); }
.logo-text .tld { color: var(--amber); }
.logo-text small { display: block; font-size: 0.58rem; color: rgba(250,250,249,0.45); font-family: system-ui, -apple-system, sans-serif; letter-spacing: 0.4px; font-weight: 400; }

/* ── NAV ── */
nav { display: flex; align-items: center; gap: 28px; }
nav a {
  font-size: 0.88rem; color: rgba(250,250,249,0.75); text-decoration: none;
  font-weight: 500; letter-spacing: 0.2px; padding: 4px 0;
  border-bottom: 2px solid transparent; transition: all 0.2s;
}
nav a:hover { color: var(--white); border-bottom-color: var(--blue-bright); }
.nav-spacer { display: inline-block; width: 60px; }
.nav-cta {
  background: var(--blue); color: var(--white) !important;
  padding: 8px 20px !important; border-radius: var(--radius); font-weight: 600;
  border-bottom: none !important; font-size: 0.82rem !important; letter-spacing: 0.3px;
}
.nav-cta:hover { background: var(--navy); color: var(--white) !important; }

/* Mobile nav */
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--white); margin: 5px 0; transition: 0.2s; }

/* ── HERO ── */
.hero {
  background: var(--navy); color: var(--white); padding: 90px 0 80px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero h1 { color: var(--white); font-size: 2.5rem; margin-bottom: 20px; }
.hero h1 .hl { color: var(--blue-bright); }
.hero h1 .hl2 { color: var(--amber); }
.hero p { font-size: 1.15rem; color: rgba(250,250,249,0.75); max-width: 480px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 28px; border-radius: var(--radius);
  font-weight: 600; font-size: 0.9rem; letter-spacing: 0.3px; text-decoration: none;
  transition: all 0.2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: #1d4ed8; color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border: 1.5px solid rgba(250,250,249,0.3); }
.btn-outline:hover { border-color: var(--blue-bright); color: var(--blue-bright); }
.btn-amber { background: var(--amber); color: var(--white); }
.btn-amber:hover { background: #d97706; color: var(--white); }
.hero-visual {
  display: flex; align-items: center; justify-content: center;
}
.hero-visual svg { width: 220px; height: 220px; opacity: 0.9; }

/* ── CARDS ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius);
  padding: 32px; transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.card h4 { margin-bottom: 8px; }
.card p { color: var(--gray-700); font-size: 0.9rem; margin: 0; }
.card .card-icon { font-size: 1.5rem; margin-bottom: 14px; }
.card-blue-border { border-color: var(--blue) !important; }

/* ── SERVICE CARDS ── */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.service-card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius);
  padding: 0; overflow: hidden; transition: box-shadow 0.2s;
}
.service-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.service-header {
  background: var(--blue); color: var(--white); padding: 24px 28px;
}
.service-header h4 { color: var(--white); margin-bottom: 4px; }
.service-header p { color: rgba(255,255,255,0.75); font-size: 0.85rem; margin: 0; }
.service-body { padding: 28px; }
.service-body ul { padding-left: 20px; color: var(--gray-700); font-size: 0.9rem; }
.service-body li { margin-bottom: 6px; }
.service-footer { padding: 0 28px 28px; text-align: center; }

/* ── TECH COLUMNS ── */
.tech-columns { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 20px; }
.tech-col {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column;
}
.tech-col h4 { color: var(--blue); margin-bottom: 12px; }
.tech-col p, .tech-col li { color: var(--gray-700); font-size: 0.88rem; }
.tech-col ul, .tech-col ol { padding-left: 20px; margin-bottom: 12px; }
.tech-col li { margin-bottom: 6px; }

/* ── BLOG CARDS ── */
.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.blog-card {
  background: var(--white); border: 1px solid var(--gray-100); border-radius: var(--radius);
  overflow: hidden; transition: box-shadow 0.2s;
}
.blog-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.06); }
.blog-img {
  height: 140px; background: var(--gray-50);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--blue);
}
.blog-body { padding: 24px; }
.blog-body h4 { margin-bottom: 8px; }
.blog-body p { color: var(--gray-700); font-size: 0.88rem; margin-bottom: 16px; }
.blog-meta { font-size: 0.78rem; color: var(--gray-500); margin-bottom: 8px; }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%; padding: 14px; border: 1px solid var(--gray-300); border-radius: var(--radius);
  font-size: 0.95rem; font-family: inherit; transition: border-color 0.2s;
}
.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus { border-color: var(--blue); outline: none; }
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .form-group { margin-bottom: 16px; }

/* ── FOOTNOTES ── */
.footnotes { background: var(--gray-50); border-top: 3px solid var(--blue); padding: 60px 0; }
.footnotes ol { padding-left: 20px; }
.footnotes li {
  background: var(--white); padding: 20px 24px; margin-bottom: 16px;
  border-left: 4px solid var(--blue); border-radius: var(--radius);
  font-size: 0.9rem; line-height: 1.6; color: var(--gray-700);
}
.footnotes li strong { color: var(--navy); }
.footnotes .backlink { color: var(--blue); font-weight: 600; margin-left: 8px; }

/* ── TOOLTIP ── */
.fn-wrapper { position: relative; display: inline-block; cursor: help; }
.fn-wrapper sup a { color: var(--blue); font-weight: 700; }
.fn-wrapper::after {
  content: attr(data-tooltip); display: none; position: absolute;
  bottom: 130%; left: 50%; transform: translateX(-50%);
  width: 340px; max-width: 80vw; padding: 14px 16px;
  background: var(--navy); color: var(--white); font-size: 0.82rem;
  line-height: 1.5; border-radius: var(--radius); z-index: 9999;
  text-align: left; pointer-events: none;
}
.fn-wrapper:hover::after { display: block; }

/* ── FOOTER ── */
footer {
  background: var(--navy); color: rgba(250,250,249,0.7); padding: 60px 0 30px;
  font-size: 0.85rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
footer h4 { color: var(--white); margin-bottom: 14px; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }
footer a { color: rgba(250,250,249,0.6); }
footer a:hover { color: var(--blue-bright); }
footer .footer-logo { font-family: Georgia, serif; font-size: 1.35rem; color: var(--white); margin-bottom: 12px; }
footer .footer-logo b { color: var(--blue-bright); }
.footer-bottom {
  border-top: 1px solid rgba(250,250,249,0.1); padding-top: 24px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.78rem; color: rgba(250,250,249,0.4);
}

/* ── UTILITY CLASSES ── */
.clr-blue { color: var(--blue); }
.clr-blue-bold { color: var(--blue); font-weight: 700; }
.clr-red { color: var(--red); }
.clr-amber { color: var(--amber); }
.clr-white { color: var(--white); font-weight: 600; }
.clr-white-30 { color: rgba(250,250,249,0.3); }

.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 32px; }
.centered-narrow { text-align: center; max-width: 640px; }
.centered-intro { margin: 16px auto 32px; }
.overflow-x { overflow-x: auto; }

.fs-sm { font-size: 0.82rem; }
.fs-md { font-size: 0.95rem; }
.fs-lg { font-size: 1.05rem; }
.btn-lg { font-size: 1rem; padding: 16px 36px; }

.mt-6  { margin-top: 6px; }
.mt-8  { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }

.note-sm { font-size: 0.78rem; color: var(--gray-500); margin-top: 8px; }
.note-footer { font-size: 0.82rem; color: var(--gray-500); margin-top: 20px; }

.callout {
  background: rgba(37,99,235,0.06); border-left: 3px solid var(--blue);
  padding: 16px 20px; border-radius: 0 4px 4px 0; font-size: 0.95rem;
}
.callout-amber {
  background: rgba(245,158,11,0.06); border-left: 3px solid var(--amber);
  padding: 16px 20px; border-radius: 0 4px 4px 0; font-size: 0.95rem;
}
.callout-text {
  font-size: 1.05rem; font-weight: 600; color: var(--blue); font-style: italic;
  text-align: center; padding: 12px 0;
}
.report-list { padding-left: 24px; color: var(--gray-700); font-size: 0.95rem; }
.report-list li { margin-bottom: 10px; }

.text-red       { color: #dc2626; }
.text-blue      { color: #2563eb; }
.text-blue-bold { color: #2563eb; font-weight: 600; }
.text-blue-italic { color: #2563eb; font-style: italic; }

/* ── RESPONSIVE ── */
@media (max-width: 800px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  .hero { padding: 50px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero h1 { font-size: 2rem; }
  .hero-visual svg { width: 160px; height: 160px; }
  nav { display: none; }
  .menu-toggle { display: block; }
  nav.open {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--gray-100); padding: 16px 0;
    z-index: 300; margin-left: 0;
  }
  nav.open a { color: var(--gray-700); }
  nav.open a:hover { color: var(--navy); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .tech-columns { grid-template-columns: 1fr; }
  .grid-2col { grid-template-columns: 1fr; }
}