/* =========================================================
   Viva Tek LLC — Site Stylesheet
   Modern corporate refresh — navy/blue brand retained
   ========================================================= */

:root {
  --navy-950: #0a1626;
  --navy-900: #0d1f36;
  --navy-800: #12294a;
  --navy-700: #1a3a63;
  --blue-600: #1f6fb2;
  --blue-500: #2f8fd6;
  --blue-400: #5aabe6;
  --blue-100: #e8f3fc;
  --ink-900: #101820;
  --ink-700: #33414f;
  --ink-500: #5b6b7a;
  --ink-300: #93a3b1;
  --line: #e2e8ef;
  --bg-soft: #f5f8fb;
  --white: #ffffff;
  --amber: #e08a2b;

  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --radius: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(10, 22, 38, 0.08);
  --shadow-md: 0 8px 24px rgba(10, 22, 38, 0.10);
  --shadow-lg: 0 20px 48px rgba(10, 22, 38, 0.16);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { color: var(--navy-900); font-weight: 700; line-height: 1.2; margin: 0 0 0.5em; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue-600);
  margin-bottom: 12px;
}

section { padding: 80px 0; }
.section-tight { padding: 56px 0; }
.bg-soft { background: var(--bg-soft); }
.bg-navy { background: var(--navy-900); color: var(--blue-100); }
.bg-navy h1, .bg-navy h2, .bg-navy h3 { color: var(--white); }

.section-head { max-width: 680px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--ink-500); font-size: 17px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue-500); color: var(--white); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--blue-600); box-shadow: var(--shadow-md); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-outline-navy { border-color: var(--navy-700); color: var(--navy-800); }
.btn-outline-navy:hover { background: var(--navy-900); color: var(--white); }
.btn-amber { background: var(--amber); color: var(--white); }
.btn-amber:hover { background: #c9761f; }

/* ============ Header ============ */
.top-strip {
  background: var(--navy-950);
  color: var(--blue-100);
  font-size: 13px;
}
.top-strip .container {
  display: flex;
  justify-content: flex-end;
  gap: 28px;
  padding-top: 8px;
  padding-bottom: 8px;
}
.top-strip a { color: var(--blue-100); opacity: 0.85; }
.top-strip a:hover { opacity: 1; }
.top-strip span { opacity: 0.6; margin: 0 6px; }

header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.logo .viva { color: var(--navy-900); }
.logo .tek { color: var(--blue-500); font-style: italic; }

.logo-img {
  display: block;
  height: 42px;
  width: auto;
  border-radius: 3px;
}
.logo-tagline {
  display: block;
  font-family: var(--font-sans);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-500);
  font-weight: 600;
  margin-top: 2px;
}

nav.main-nav ul { display: flex; align-items: center; gap: 4px; }
nav.main-nav a {
  display: inline-block;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 15px;
  color: var(--ink-700);
  border-radius: 8px;
}
nav.main-nav a:hover { background: var(--blue-100); color: var(--blue-600); }
nav.main-nav a.active { color: var(--blue-600); }
nav.main-nav .nav-cta { margin-left: 8px; }
nav.main-nav .nav-cta a {
  background: var(--navy-900);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 999px;
}
nav.main-nav .nav-cta a:hover { background: var(--blue-600); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy-900);
  margin: 5px 0;
  transition: 0.2s;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  background:
    linear-gradient(120deg, rgba(10,22,38,0.92) 0%, rgba(15,41,66,0.85) 55%, rgba(31,111,178,0.75) 100%),
    var(--navy-900);
  color: var(--white);
  padding: 96px 0 100px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px;
  top: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(90,171,230,0.35), transparent 70%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.hero h1 { color: var(--white); font-size: 44px; line-height: 1.15; margin-bottom: 20px; }
.hero p.lead { font-size: 18px; color: var(--blue-100); max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
  max-width: 480px;
}
.hero-stats .stat-num { font-family: var(--font-serif); font-size: 32px; color: var(--white); font-weight: 700; }
.hero-stats .stat-label { font-size: 13px; color: var(--blue-100); opacity: 0.85; }
.hero-panel {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(6px);
}
.hero-panel h3 { color: var(--white); font-size: 18px; margin-bottom: 16px; }
.hero-panel ul li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--blue-100);
  font-size: 14.5px;
}
.hero-panel ul li:last-child { border-bottom: none; }
.hero-panel .dot {
  flex: none;
  width: 8px; height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--blue-400);
}

/* ============ Page hero (interior pages) ============ */
.page-hero {
  background: linear-gradient(120deg, var(--navy-950), var(--navy-800));
  color: var(--white);
  padding: 64px 0;
}
.page-hero .eyebrow { color: var(--blue-400); }
.page-hero h1 { color: var(--white); margin-bottom: 12px; font-size: 36px; }
.page-hero p { color: var(--blue-100); max-width: 640px; font-size: 16.5px; }
.breadcrumb { font-size: 13px; color: var(--blue-100); opacity: 0.75; margin-bottom: 16px; }
.breadcrumb a { color: var(--blue-100); }
.breadcrumb a:hover { text-decoration: underline; }

/* ============ Cards / grids ============ */
.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

.icon-tile {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-100);
  color: var(--blue-600);
  margin-bottom: 18px;
  font-size: 22px;
}

.service-card h3 { font-size: 19px; margin-bottom: 8px; }
.service-card p { color: var(--ink-500); font-size: 15px; margin-bottom: 0; }
.service-card .tags { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-card .tags span {
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-soft);
  color: var(--ink-500);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

/* value strip */
.value-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.value-strip .card { text-align: left; }

/* Two-column feature */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.split img, .split .media-block { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.media-block {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--navy-800), var(--blue-600));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 20px;
  text-align: center;
  padding: 32px;
  overflow: hidden;
}
.media-block.has-image { padding: 0; }
.media-block.has-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

/* Full-width photo/marketing banner */
.image-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.image-banner img { width: 100%; display: block; }
.checklist li {
  display: flex; gap: 12px; padding: 8px 0;
  font-size: 15.5px; color: var(--ink-700);
}
.checklist .check {
  flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--blue-100); color: var(--blue-600);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; margin-top: 1px;
}

/* Stats band */
.stats-band {
  background: var(--navy-900);
  color: var(--white);
  padding: 56px 0;
}
.stats-band .grid-4 { text-align: center; }
.stats-band .stat-num { font-family: var(--font-serif); font-size: 40px; font-weight: 700; color: var(--white); }
.stats-band .stat-label { font-size: 14px; color: var(--blue-100); opacity: 0.85; margin-top: 6px; }

/* Testimonial / quote */
.quote-block {
  background: var(--blue-100);
  border-left: 4px solid var(--blue-500);
  border-radius: var(--radius);
  padding: 32px;
  font-size: 18px;
  font-family: var(--font-serif);
  color: var(--navy-900);
  font-style: italic;
}

/* CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--navy-950), var(--blue-700, var(--navy-700)));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--white); margin-bottom: 8px; }
.cta-band p { color: var(--blue-100); margin: 0; }

/* Timeline (about page) */
.timeline { border-left: 2px solid var(--line); padding-left: 28px; display: grid; gap: 32px; }
.timeline .t-year { font-family: var(--font-serif); color: var(--blue-600); font-weight: 700; font-size: 18px; }

/* Forms */
.form-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 700; color: var(--navy-800); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-900);
  background: var(--white);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(47,143,214,0.15);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--ink-500); margin-top: 10px; }
.form-status { margin-top: 14px; font-size: 14px; font-weight: 600; display: none; }
.form-status.show { display: block; }
.form-status.ok { color: #1e7a3d; }
.form-status.err { color: #b3261e; }

/* Contact info list */
.info-list { display: grid; gap: 22px; }
.info-list .item { display: flex; gap: 16px; }
.info-list .icon-tile { margin-bottom: 0; flex: none; }
.info-list h4 { font-size: 15px; margin-bottom: 4px; }
.info-list p, .info-list a { color: var(--ink-500); font-size: 15px; }
.info-list a:hover { color: var(--blue-600); }

/* Roles / categories chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
}

/* Footer */
footer.site-footer {
  background: var(--navy-950);
  color: var(--blue-100);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 {
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-grid ul li { margin-bottom: 10px; font-size: 14.5px; }
.footer-grid a { color: var(--blue-100); opacity: 0.85; }
.footer-grid a:hover { opacity: 1; text-decoration: underline; }
.footer-logo { font-family: var(--font-serif); font-size: 24px; color: var(--white); margin-bottom: 12px; }
.footer-logo .tek { color: var(--blue-400); font-style: italic; }
.footer-desc { font-size: 14.5px; opacity: 0.75; max-width: 320px; margin-bottom: 20px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; font-size: 13px; opacity: 0.65; flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { opacity: 1; }
.footer-legal-links a { margin: 0 2px; }
.footer-legal-links a:hover { text-decoration: underline; }

/* Simple legal/policy document pages */
.legal-doc { padding: 64px 0 96px; }
.legal-doc .legal-updated { color: var(--ink-500); font-size: 14px; margin-bottom: 40px; }
.legal-doc h2 { font-size: 22px; margin-top: 40px; margin-bottom: 12px; }
.legal-doc h2:first-of-type { margin-top: 0; }
.legal-doc p, .legal-doc li { color: var(--ink-700); font-size: 15.5px; line-height: 1.75; }
.legal-doc ul { margin: 12px 0; padding-left: 22px; list-style: disc; }
.legal-doc li { margin-bottom: 8px; }
.legal-doc a { color: var(--blue-600); font-weight: 600; }
.legal-doc a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .value-strip { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .top-strip { display: none; }
}
@media (max-width: 720px) {
  nav.main-nav { position: fixed; inset: 64px 0 0 0; background: var(--white); flex-direction: column; padding: 12px 24px; transform: translateX(100%); transition: transform 0.25s ease; overflow-y: auto; }
  nav.main-nav.open { transform: translateX(0); }
  nav.main-nav ul { flex-direction: column; align-items: stretch; gap: 4px; padding-bottom: 24px; }
  nav.main-nav a { padding: 14px 12px; font-size: 17px; }
  nav.main-nav .nav-cta { margin-left: 0; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .value-strip { grid-template-columns: 1fr; }
  section { padding: 56px 0; }
  .cta-band { padding: 32px; flex-direction: column; text-align: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}