/* U4C Enterprises / ArbiScale — hand-written stylesheet, no frameworks. */

:root {
  --navy: #10233d;
  --navy-deep: #0a1829;
  --gold: #d9a441;
  --gold-soft: #f3e3bd;
  --ink: #1e293b;
  --muted: #5b6b82;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --border: #e3e9f2;
  --radius: 12px;
  --maxw: 1080px;
  --font: -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(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--navy); }
a:hover { color: #1d4e89; }

img { max-width: 100%; height: auto; }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

section { padding: 3.5rem 0; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--navy-deep);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  padding-bottom: 0.85rem;
}

.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), #b07f24);
  color: var(--navy-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  flex: none;
}

nav.main-nav { display: flex; gap: 0.25rem; }

nav.main-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  font-size: 0.95rem;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: #fff;
  padding: 4.5rem 0 4rem;
  text-align: center;
}

.hero .kicker {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 1.1rem;
  letter-spacing: -0.01em;
}

.hero p.lede {
  max-width: 44rem;
  margin: 0 auto 2rem;
  font-size: 1.12rem;
  color: rgba(255, 255, 255, 0.82);
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 1rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
}

.btn-primary:hover { background: #e6b456; color: var(--navy-deep); }

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

.btn-ghost:hover { border-color: #fff; color: #fff; }

/* ---------- Sections ---------- */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 0.6rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}

.section-sub {
  color: var(--muted);
  max-width: 46rem;
  margin: 0 0 2rem;
  font-size: 1.05rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 760px) {
  .split { grid-template-columns: 1.1fr 1fr; }
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  background: var(--gold-soft);
  border-radius: 999px;
  padding: 0.3rem 0.8rem;
  margin-bottom: 0.9rem;
}

/* ---------- Article cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 700px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}

.article-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.article-card:hover {
  box-shadow: 0 10px 30px rgba(16, 35, 61, 0.1);
  transform: translateY(-2px);
  color: inherit;
}

.article-card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.25rem;
}

.article-card p {
  color: var(--muted);
  margin: 0 0 1rem;
  flex: 1;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.read-more {
  font-weight: 600;
  color: var(--navy);
  margin-top: 0.75rem;
  display: inline-block;
}

/* ---------- Article page ---------- */
.article-hero {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0 2.25rem;
}

.article-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  color: var(--navy);
  line-height: 1.18;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}

.breadcrumb {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.prose {
  max-width: 44rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
  font-size: 1.08rem;
  line-height: 1.78;
}

.prose h2 {
  color: var(--navy);
  font-size: 1.5rem;
  margin: 2.4rem 0 0.8rem;
  line-height: 1.3;
}

.prose p { margin: 0 0 1.2rem; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.2rem 0;
}

.prose ul { padding-left: 1.4rem; margin: 0 0 1.4rem; }
.prose li { margin-bottom: 0.55rem; }
.prose li strong { color: var(--navy); }

/* ---------- About / Contact ---------- */
.about { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.contact-card {
  text-align: center;
  max-width: 36rem;
  margin: 0 auto;
}

.contact-card a.email {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
}

.contact-card a.email:hover { color: #1d4e89; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.65);
  padding: 2.25rem 0;
  font-size: 0.92rem;
}

.site-footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 700px) {
  .site-footer .wrap {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.site-footer nav { display: flex; gap: 1rem; }
.site-footer nav a { color: rgba(255, 255, 255, 0.65); text-decoration: none; }
.site-footer nav a:hover { color: #fff; }

/* ---------- Small screens ---------- */
@media (max-width: 560px) {
  nav.main-nav a { padding: 0.5rem 0.55rem; font-size: 0.88rem; }
  .brand { font-size: 1.05rem; }
  section { padding: 2.75rem 0; }
}