/* ==========================================================================
   Data File Management, LLC — site stylesheet
   ========================================================================== */

:root {
  --navy: #0f2842;
  --navy-deep: #0a1c30;
  --blue: #0b69ab;
  --blue-dark: #084e80;
  --slate: #4a5a6a;
  --ink: #16232f;
  --paper: #ffffff;
  --mist: #f4f7f9;
  --mist-dark: #e7edf1;
  --border: #dde4e9;
  --shadow: 0 8px 24px rgba(15, 40, 66, 0.08);
  --radius: 10px;
  --max-width: 1160px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

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

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

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

/* ---------- Header / Nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  flex-shrink: 0;
}

.footer-brand span {
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
}

.about-logo {
  width: 150px;
  height: auto;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text .full { font-size: 0.95rem; }
.brand-text .sub { font-size: 0.68rem; font-weight: 500; color: var(--slate); letter-spacing: 0.04em; text-transform: uppercase; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--slate);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--navy);
  border-bottom-color: var(--blue);
}

.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 6px;
  font-weight: 600;
  border-bottom: none !important;
}

.nav-cta:hover { background: var(--blue-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
}

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 62%, var(--blue-dark) 130%);
  color: #fff;
  padding: 96px 0 88px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #8ecdf5;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 3.6vw, 2.9rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}

.hero p.lead {
  font-size: 1.08rem;
  color: #cfdde8;
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.35);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }

.btn-dark {
  background: var(--navy);
  color: #fff;
}
.btn-dark:hover { background: var(--navy-deep); transform: translateY(-1px); }

.hero-panel {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(6px);
}

.hero-panel h3 {
  margin: 0 0 16px;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #a9d0ee;
}

.hero-stat-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 16px; }

.hero-stat-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.92rem;
  color: #e6eef2;
}

.hero-stat-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--blue);
  flex-shrink: 0;
}

/* ---------- Sections ---------- */

section { padding: 88px 0; }

.section-alt { background: var(--mist); }

.section-head {
  max-width: 640px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head .eyebrow { color: var(--blue-dark); }

.section-head h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  margin: 0 0 14px;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--slate);
  font-size: 1.02rem;
  margin: 0;
}

/* ---------- Cards / grid ---------- */

.grid {
  display: grid;
  gap: 26px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(15,40,66,0.12); }

.card-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 18px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  color: var(--navy);
}

.card p { margin: 0; color: var(--slate); font-size: 0.95rem; }

.card a.card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-dark);
}
.card a.card-link:hover { text-decoration: underline; }

/* ---------- Service detail blocks ---------- */

.service-block {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
  border-bottom: 1px solid var(--border);
}

.service-block:last-child { border-bottom: none; }

.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }

.service-num {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--mist-dark);
  line-height: 1;
  margin-bottom: 6px;
}

.service-visual {
  background: var(--mist);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.service-visual .card-icon {
  width: 84px;
  height: 84px;
  font-size: 2.2rem;
  border-radius: 18px;
  margin: 0;
}

.service-block h3 { font-size: 1.5rem; color: var(--navy); margin: 0 0 14px; letter-spacing: -0.01em; }
.service-block p { color: var(--slate); margin: 0 0 18px; }

.service-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.service-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; color: var(--ink); }
.service-list li::before { content: "✓"; color: var(--blue-dark); font-weight: 700; flex-shrink: 0; }

/* ---------- Feature list (about) ---------- */

.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.value-item {
  display: flex;
  gap: 16px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.value-item .num {
  font-weight: 800;
  color: var(--blue-dark);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.value-item h4 { margin: 0 0 6px; color: var(--navy); font-size: 1rem; }
.value-item p { margin: 0; color: var(--slate); font-size: 0.92rem; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--navy);
  color: #fff;
  border-radius: var(--radius);
  padding: 52px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-band h2 { margin: 0 0 8px; font-size: 1.6rem; letter-spacing: -0.01em; }
.cta-band p { margin: 0; color: #c9d7e0; }

/* ---------- Contact ---------- */

.contact-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

.contact-info-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 22px; }

.contact-info-list li { display: flex; gap: 14px; }

.contact-info-list .card-icon { width: 42px; height: 42px; font-size: 1.1rem; margin: 0; flex-shrink: 0; }

.contact-info-list strong { display: block; color: var(--navy); font-size: 0.95rem; margin-bottom: 2px; }
.contact-info-list span, .contact-info-list a { color: var(--slate); font-size: 0.92rem; }
.contact-info-list a:hover { color: var(--blue-dark); }

form.contact-form {
  background: var(--mist);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  gap: 18px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.field { display: grid; gap: 6px; }

.field label { font-size: 0.86rem; font-weight: 600; color: var(--navy); }

.field input,
.field select,
.field textarea {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 11px 13px;
  font-family: var(--font);
  font-size: 0.94rem;
  background: #fff;
  color: var(--ink);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(11,105,171,0.15);
}

.field textarea { resize: vertical; min-height: 120px; }

.form-note { font-size: 0.8rem; color: var(--slate); margin: 0; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-deep);
  color: #b9c9d4;
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid h4 {
  color: #fff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 16px;
}

.footer-grid p { font-size: 0.9rem; max-width: 34ch; }

.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-links a { font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
}

/* ---------- Page hero (secondary pages) ---------- */

.page-hero {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: #fff;
  padding: 64px 0 60px;
  text-align: center;
}

.page-hero .eyebrow { color: #8ecdf5; }
.page-hero h1 { font-size: clamp(1.9rem, 3.2vw, 2.5rem); margin: 0 0 14px; letter-spacing: -0.02em; }
.page-hero p { color: #cfdde8; max-width: 56ch; margin: 0 auto; }

/* ---------- Data tables ---------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.92rem;
}

table.data-table thead th {
  background: var(--navy);
  color: #fff;
  text-align: left;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 14px 20px;
  font-weight: 600;
}

table.data-table tbody td {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  color: var(--ink);
  vertical-align: top;
}

table.data-table tbody tr:nth-child(even) { background: var(--mist); }

table.data-table td strong { color: var(--navy); }
table.data-table td.highlight { color: var(--blue-dark); font-weight: 700; }

/* ---------- Callouts ---------- */

.callout {
  border-radius: 8px;
  padding: 18px 22px;
  border-left: 4px solid;
  font-size: 0.92rem;
  line-height: 1.6;
}

.callout + .callout { margin-top: 14px; }

.callout-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 8px;
}

.callout-warn {
  background: #fdf6e3;
  border-color: #d99a1b;
  color: #6b4e10;
}
.callout-warn .callout-tag { background: #f7e2b0; color: #7a4f00; }

.callout-info {
  background: #eef4fb;
  border-color: var(--blue);
  color: #14314d;
}
.callout-info .callout-tag { background: #d9e8f7; color: var(--blue-dark); }

.callout-danger {
  background: #fdeceb;
  border-color: #c0392b;
  color: #6e1f16;
}
.callout-danger .callout-tag { background: #f6cfc9; color: #9a2c1e; }

.callout strong { color: inherit; }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-panel { order: -1; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .service-block { grid-template-columns: 1fr; }
  .service-block.reverse { direction: ltr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 680px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 10px 0; }
  .nav-cta { display: inline-block; margin-top: 6px; }
  .nav-toggle { display: flex; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .form-row { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
}