/* ==========================================================================
   Unpack Leadership — design system
   Palette: navy #023e73 on cream #f5f4f0 (swap variables below to re-theme)
   ========================================================================== */

:root {
  --color-bg: #f5f4f0;
  --color-surface: #ffffff;
  --color-surface-alt: #efece0;
  --color-primary: #023e73;
  --color-primary-dark: #012a4f;
  --color-primary-tint: rgba(2, 62, 115, 0.08);
  --color-primary-tint-strong: rgba(2, 62, 115, 0.14);
  --color-text: #1c1c1c;
  --color-text-muted: #5b5f66;
  --color-border: #ddd8c9;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Lora", Georgia, "Times New Roman", serif;

  --max-width: 1160px;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-text);
  margin: 0 0 0.5em;
}

p { margin: 0 0 1.1em; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------------------------------------------------------------------- */
/* Header / nav                                                            */
/* ---------------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 40;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-text);
}
.brand:hover { text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.98rem;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }
.main-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 42px;
  height: 42px;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle::before, .nav-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  margin: 5px auto;
}

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

.hero {
  padding: 72px 0 88px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--color-text-muted);
  margin-bottom: 22px;
}
.hero-location .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.hero h1 {
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  letter-spacing: -0.02em;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--color-primary);
  margin: 22px 0 18px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border);
}

.hero-roles {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  margin-bottom: 20px;
}

.hero-bio { max-width: 46ch; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border-radius: 10px;
  cursor: pointer;
}
.btn:hover { background: var(--color-primary-tint); text-decoration: none; }
.btn-solid {
  background: var(--color-primary);
  color: var(--color-surface);
}
.btn-solid:hover { background: var(--color-primary-dark); }

.hero-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 20px 45px -25px rgba(2, 62, 115, 0.35);
}
.hero-figure img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }

/* ---------------------------------------------------------------------- */
/* Section titles                                                          */
/* ---------------------------------------------------------------------- */

.section { padding: 56px 0; }
.section-alt { background: var(--color-surface-alt); }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 30px;
  gap: 20px;
}

.section-head h2 {
  font-size: 1.7rem;
}

.section-eyebrow {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.view-all {
  font-weight: 700;
  font-size: 0.92rem;
  white-space: nowrap;
}

/* ---------------------------------------------------------------------- */
/* Article / post cards                                                    */
/* ---------------------------------------------------------------------- */

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

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -22px rgba(2, 62, 115, 0.4);
}

.article-card-thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--color-surface-alt); }
.article-card-thumb img { width: 100%; height: 100%; object-fit: cover; }

.article-card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }

.tag-pill {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}

.article-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.article-card-body h3 a { color: var(--color-text); }
.article-card-body h3 a:hover { color: var(--color-primary); text-decoration: none; }

.article-card-excerpt {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  flex: 1;
  margin-bottom: 16px;
}

.article-card-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}

/* ---------------------------------------------------------------------- */
/* Topic grid                                                              */
/* ---------------------------------------------------------------------- */

.topic-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.topic-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.topic-card h3 { font-size: 1.08rem; }

.topic-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  flex: 1;
  margin: 0;
}

.topic-card .view-all { margin-top: 4px; }

/* ---------------------------------------------------------------------- */
/* About teaser                                                            */
/* ---------------------------------------------------------------------- */

.about-teaser .wrap {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 48px;
  align-items: center;
}

.about-teaser-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}
.about-teaser-figure img { aspect-ratio: 1/1; object-fit: cover; }

/* ---------------------------------------------------------------------- */
/* Videos teaser + page                                                    */
/* ---------------------------------------------------------------------- */

.videos-teaser-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-surface);
}
.video-card-thumb { aspect-ratio: 16/9; position: relative; }
.video-card-thumb iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.video-card-body { padding: 16px 18px; }
.video-card-body h3 { font-size: 1rem; margin-bottom: 4px; }
.video-card-body p { color: var(--color-text-muted); font-size: 0.88rem; margin: 0; }
.video-card-body .view-all { display: inline-block; margin-top: 10px; }

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

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 36px;
  margin-top: 24px;
}

.footer-note {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.social-links {
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 9px 18px;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
}
.social-links a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  text-decoration: none;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------------------------------------------------------------------- */
/* Generic page / about page                                               */
/* ---------------------------------------------------------------------- */

.page-header { padding: 60px 0 20px; }
.page-header h1 { font-size: clamp(2.2rem, 4vw, 2.8rem); }

.about-page .wrap {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  padding: 20px 32px 70px;
  align-items: start;
}

.about-page-figure {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  position: sticky;
  top: 110px;
}

.prose { font-size: 1.05rem; }
.prose h2 { margin-top: 1.6em; font-size: 1.4rem; }
.prose a { color: var(--color-primary); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--color-primary);
  color: var(--color-text-muted);
  font-style: italic;
}
.prose pre {
  background: var(--color-text);
  color: #f2f2f2;
  padding: 18px 20px;
  border-radius: 10px;
  overflow-x: auto;
}
.prose code {
  background: var(--color-primary-tint);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.9em;
}
.prose pre code { background: none; padding: 0; }
.prose img { border-radius: var(--radius); margin: 1.4em 0; }

.about-connect h2 { margin-bottom: 24px; }

.connect-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.connect-link {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1 1 260px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--color-text);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.connect-link:hover {
  border-color: var(--color-primary);
  box-shadow: 0 16px 32px -22px rgba(2, 62, 115, 0.4);
  transform: translateY(-2px);
  text-decoration: none;
}

.connect-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--color-primary);
  color: var(--color-surface);
}
.connect-icon svg { width: 16px; height: 16px; }

.connect-text { display: flex; flex-direction: column; gap: 2px; }
.connect-text strong { font-size: 0.95rem; }
.connect-text small { font-size: 0.82rem; color: var(--color-text-muted); }

/* ---------------------------------------------------------------------- */
/* Single article page                                                     */
/* ---------------------------------------------------------------------- */

.article-page { padding: 50px 0 80px; }
.article-page .wrap { max-width: 780px; }

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.article-title { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: 18px; }

.article-byline {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
  padding-bottom: 30px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--color-border);
}
.article-byline strong { color: var(--color-text); }

.article-featured-image {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 36px;
  border: 1px solid var(--color-border);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
}
.article-tags li {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: 999px;
}

.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid var(--color-border);
  font-weight: 700;
}
.article-nav a { max-width: 45%; }
.article-nav .next { margin-left: auto; text-align: right; }

/* ---------------------------------------------------------------------- */
/* Topic archive header                                                    */
/* ---------------------------------------------------------------------- */

.topic-header {
  padding: 56px 0 10px;
}
.topic-header .section-eyebrow { margin-bottom: 14px; }
.topic-header p { max-width: 60ch; color: var(--color-text-muted); }

/* ---------------------------------------------------------------------- */
/* Pagination                                                              */
/* ---------------------------------------------------------------------- */

.pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 20px 0 10px;
  list-style: none;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.9rem;
}
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.pagination-count span {
  border: none;
  color: var(--color-text-muted);
  min-width: 0;
}

/* ---------------------------------------------------------------------- */
/* 404                                                                     */
/* ---------------------------------------------------------------------- */

.error-page {
  padding: 110px 0;
  text-align: center;
}
.error-page h1 {
  font-size: 5rem;
  color: var(--color-primary);
}

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

@media (max-width: 920px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .topic-grid { grid-template-columns: repeat(2, 1fr); }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-figure { max-width: 380px; }
  .about-teaser .wrap { grid-template-columns: 1fr; }
  .about-page .wrap { grid-template-columns: 1fr; }
  .about-page-figure { position: static; max-width: 320px; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .card-grid { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 84px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 20px 28px;
    gap: 18px;
  }
  .footer-bottom { flex-direction: column; }
}