/* Supply Chain Rockstar — site styles */

:root {
  --navy: #0b1f3a;
  --navy-light: #16305a;
  --navy-lighter: #1e3d70;
  --accent: #e8a33d;
  --accent-dark: #c9852a;
  --teal: #3aa6a0;
  --text-dark: #1a2233;
  --text-body: #3c4658;
  --text-muted: #6b7280;
  --text-light: #f5f6f8;
  --bg-light: #f7f8fa;
  --bg-card: #ffffff;
  --border: #e4e7ee;
  --serif: Georgia, 'Times New Roman', Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius: 10px;
  --shadow: 0 4px 18px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 32px rgba(11, 31, 58, 0.14);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text-body);
  background: var(--bg-light);
  line-height: 1.65;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--text-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }

p { margin: 0 0 1.1em; }

a { color: var(--navy-lighter); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

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

header.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: 1120px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.3px;
}

.brand .brand-accent { color: var(--accent); }

.brand:hover { text-decoration: none; }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
}

nav.main-nav a {
  color: #dbe3f0;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background 0.15s ease, color 0.15s ease;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 1.6rem;
  cursor: pointer;
}

@media (max-width: 820px) {
  nav.main-nav {
    display: none;
    width: 100%;
  }
  nav.main-nav.open { display: block; }
  nav.main-nav ul {
    flex-direction: column;
    padding: 12px 0 20px;
  }
  .nav-wrap { flex-wrap: wrap; }
  .nav-toggle { display: block; }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-accent {
  background: var(--accent);
  color: var(--navy);
}
.btn-accent:hover { background: var(--accent-dark); }

.btn-outline {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.1); }

.btn-navy {
  background: var(--navy);
  color: #fff;
}
.btn-navy:hover { background: var(--navy-lighter); }

.btn-sm { padding: 9px 20px; font-size: 0.85rem; }

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

.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 60%, var(--navy-lighter) 100%);
  color: var(--text-light);
  padding: 76px 0 84px;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 14px;
}

.hero h1 { color: #fff; font-size: 2.9rem; }
.hero p.lede { color: #cdd7ea; font-size: 1.15rem; max-width: 46ch; }

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

.hero-photo {
  justify-self: center;
}
.hero-photo img {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  border: 6px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 820px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero p.lede { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-photo { order: -1; }
  .hero-photo img { width: 200px; height: 200px; }
  .hero h1 { font-size: 2.2rem; }
}

/* ---------- Page header (non-home) ---------- */

.page-header {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lighter) 100%);
  color: #fff;
  padding: 56px 0;
  text-align: center;
}
.page-header h1 { color: #fff; margin-bottom: 8px; }
.page-header p { color: #cdd7ea; margin: 0; font-size: 1.05rem; }

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

section { padding: 72px 0; }
section.alt { background: var(--bg-card); }
.section-head { max-width: 640px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 10px;
}

/* ---------- Cards / grids ---------- */

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

@media (max-width: 820px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}

.book-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}
@media (max-width: 700px) {
  .book-card { grid-template-columns: 1fr; }
}

.book-cover {
  width: 100%;
  aspect-ratio: 2 / 3;
  border-radius: 6px;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-lighter) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 18px;
  font-family: var(--serif);
  box-shadow: 0 8px 22px rgba(11,31,58,0.25);
}
.book-cover .cover-kicker {
  font-family: var(--sans);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.62rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.book-cover .cover-title { font-size: 1.15rem; font-weight: 700; line-height: 1.3; }
.book-cover .cover-rule { width: 34px; height: 2px; background: var(--accent); margin: 12px 0; }
.book-cover .cover-author { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.5px; color: #cdd7ea; }

img.book-cover {
  object-fit: cover;
  padding: 0;
  display: block;
}

/* ---------- Book teaser card (homepage) ---------- */

.card-book-teaser {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.card-book-teaser .teaser-cover {
  flex: 0 0 84px;
  width: 84px;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 5px;
  box-shadow: 0 6px 16px rgba(11,31,58,0.22);
}
.card-book-teaser .teaser-body { flex: 1; min-width: 0; }
@media (max-width: 480px) {
  .card-book-teaser { flex-direction: column; align-items: center; text-align: center; }
  .card-book-teaser .teaser-cover { flex-basis: auto; width: 110px; }
}

.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.badge-available { background: rgba(58,166,160,0.15); color: #1f7a75; }
.badge-soon { background: rgba(232,163,61,0.18); color: var(--accent-dark); }

.toc {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
  color: var(--text-muted);
  columns: 2;
  column-gap: 24px;
}
.toc li { margin-bottom: 4px; break-inside: avoid; }

/* ---------- Insights / blog cards ---------- */

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 26px 28px;
  margin-bottom: 22px;
  box-shadow: var(--shadow);
}
.post-card .post-source {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--teal);
  margin-bottom: 8px;
}

/* ---------- Expertise list ---------- */

.pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.pill {
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text-body);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
}

/* ---------- Stats strip ---------- */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}
.stats .stat-num {
  font-family: var(--serif);
  font-size: 2.1rem;
  color: var(--accent-dark);
  font-weight: 700;
}
.stats .stat-label { color: var(--text-muted); font-size: 0.9rem; }
@media (max-width: 700px) { .stats { grid-template-columns: 1fr; gap: 32px; } }

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

.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-lighter) 100%);
  color: #fff;
  text-align: center;
  padding: 64px 0;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #cdd7ea; max-width: 52ch; margin-left: auto; margin-right: auto; }

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

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-item { margin-bottom: 22px; }
.contact-item .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-item .value { font-size: 1.05rem; font-weight: 600; color: var(--text-dark); }

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

footer.site-footer {
  background: var(--navy);
  color: #b7c2d9;
  padding: 40px 0 28px;
  font-size: 0.9rem;
}
footer.site-footer .footer-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer.site-footer a { color: #dbe3f0; }
footer.site-footer .footer-links { display: flex; gap: 18px; flex-wrap: wrap; }