/* ============================================
   OGG Edu — Shared Stylesheet
   ============================================ */

:root {
  --navy: #1f3f57;
  --blue: #3c6e91;
  --blue-light: #6fa3c2;
  --blue-pale: #eaf2f6;
  --cream: #f8f6f1;
  --ink: #23303a;
  --ink-soft: #55636c;
  --border: #dde5ea;
  --gold: #b98b3e;
  --silver: #9aa7b0;
  --silver-dark: #707d86;
  --radius: 10px;
  --max-width: 1100px;
  --shadow: 0 4px 18px rgba(31, 63, 87, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Georgia", "Iowan Old Style", "Palatino Linotype", serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: "Georgia", "Palatino Linotype", serif;
  color: var(--navy);
  line-height: 1.25;
  margin-top: 0;
}

a {
  color: var(--blue);
  text-decoration: none;
}

a:hover {
  color: var(--navy);
  text-decoration: underline;
}

p {
  margin: 0 0 1em 0;
}

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

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

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

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

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 42px;
  height: 42px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text .org-name {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
  letter-spacing: 0.2px;
}

.brand-text .org-tagline {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--blue);
}

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

nav.main-nav a {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}

nav.main-nav a:hover,
nav.main-nav a.active {
  color: var(--navy);
  border-bottom: 2px solid var(--blue);
  text-decoration: none;
}

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

.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--blue) 100%);
  color: #fff;
  padding: 76px 0 88px;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.hero .eyebrow {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.78rem;
  color: var(--blue-pale);
  opacity: 0.9;
}

.hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 2.8rem);
  max-width: 720px;
  margin: 0;
}

.hero p.lede {
  max-width: 620px;
  font-size: 1.12rem;
  color: #eaf2f6;
}

.hero .cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 10px;
}

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

.btn {
  display: inline-block;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  padding: 12px 24px;
  border-radius: 6px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.btn-primary:hover {
  background: var(--blue-pale);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.btn-solid {
  background: var(--blue);
  color: #fff;
}

.btn-solid:hover {
  background: var(--navy);
  color: #fff;
  text-decoration: none;
}

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

section {
  padding: 64px 0;
}

section.alt {
  background: #ffffff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-heading {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 44px;
}

.section-heading .eyebrow {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--blue);
  font-weight: 700;
}

.section-heading h2 {
  font-size: 1.9rem;
  margin-top: 6px;
}

/* ---------- Cards / Grids ---------- */

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

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

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

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.card .icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--blue-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--blue);
  font-weight: 700;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Callout banner ---------- */

.callout {
  background: var(--blue-pale);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.callout .callout-text .label {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 1.6px;
  font-size: 0.72rem;
  color: var(--blue);
  font-weight: 700;
}

.callout .callout-text h3 {
  margin: 4px 0 4px;
  font-size: 1.3rem;
}

.callout .callout-text p {
  margin: 0;
  color: var(--ink-soft);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
}

/* ---------- Page header (interior pages) ---------- */

.page-header {
  background: var(--navy);
  color: #fff;
  padding: 52px 0;
}

.page-header .eyebrow {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.75rem;
  color: var(--blue-pale);
  opacity: 0.85;
}

.page-header h1 {
  color: #fff;
  margin: 6px 0 0;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
}

/* ---------- Mission block ---------- */

.mission-block {
  background: #fff;
  border-left: 4px solid var(--gold);
  border-radius: 4px;
  padding: 30px 34px;
  box-shadow: var(--shadow);
  font-size: 1.12rem;
  color: var(--navy);
  font-style: italic;
}

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

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

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

.stat {
  padding: 18px 8px;
}

.stat .num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
  font-family: "Helvetica Neue", Arial, sans-serif;
}

.stat .label {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ---------- Board of Directors ---------- */

.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 22px;
}

@media (max-width: 820px) {
  .board-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .board-grid {
    grid-template-columns: 1fr;
  }
}

.board-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}

.board-card .avatar {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--blue-pale);
  color: var(--blue);
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  overflow: hidden;
}

.board-card .avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.board-card .name {
  font-weight: 700;
  color: var(--navy);
  font-size: 1.02rem;
}

.board-card .role {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--blue);
  margin: 4px 0 10px;
}

.board-card .bio {
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-family: "Helvetica Neue", Arial, sans-serif;
  margin: 0;
}

.placeholder-note {
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: center;
  margin-top: 26px;
  padding: 12px 16px;
  background: #fff8e8;
  border: 1px dashed #d9c27e;
  border-radius: 6px;
}

/* ---------- Event details ---------- */

.event-details {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

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

.detail-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.detail-item .detail-label {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.72rem;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 6px;
}

.detail-item .detail-value {
  font-weight: 700;
  color: var(--navy);
  font-size: 1.02rem;
}

/* ---------- Agenda table ---------- */

.agenda-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.agenda-table th {
  background: var(--navy);
  color: #fff;
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-size: 0.78rem;
  text-align: left;
  padding: 14px 18px;
}

.agenda-table td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.98rem;
  vertical-align: top;
}

.agenda-table tr:last-child td {
  border-bottom: none;
}

.agenda-table .time-col {
  white-space: nowrap;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  color: var(--blue);
  width: 190px;
}

.agenda-table .speaker {
  color: var(--ink-soft);
  font-style: italic;
}

.agenda-table tr.break-row td {
  background: var(--blue-pale);
  font-style: italic;
  color: var(--ink-soft);
}

/* ---------- Sponsorship tiers ---------- */

.tier-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}

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

.tier-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border-top: 5px solid var(--border);
}

.tier-card.platinum {
  border-top-color: var(--silver);
}

.tier-card.gold {
  border-top-color: var(--gold);
}

.tier-card .tier-name {
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  font-size: 0.82rem;
  font-weight: 700;
}

.tier-card.platinum .tier-name {
  color: var(--silver-dark);
}

.tier-card.gold .tier-name {
  color: var(--gold);
}

.tier-card .tier-price {
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--navy);
  margin: 6px 0 18px;
}

.tier-card ul {
  margin: 0;
  padding-left: 20px;
}

.tier-card li {
  margin-bottom: 10px;
  font-size: 0.98rem;
}

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

.site-footer {
  background: var(--navy);
  color: #d7e3ea;
  padding: 44px 0 28px;
  margin-top: 40px;
}

.site-footer .footer-top {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.site-footer .brand-text .org-name {
  color: #fff;
}

.site-footer nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  padding: 0;
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.9rem;
}

.site-footer a {
  color: #d7e3ea;
}

.site-footer a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 20px;
  font-family: "Helvetica Neue", Arial, sans-serif;
  font-size: 0.82rem;
  color: #9fb3c0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Utility ---------- */

.text-center {
  text-align: center;
}

.mt-32 {
  margin-top: 32px;
}