/* ============================================================
   The Seyi Tinubu Colloquium — styles (White + Nigeria Green)
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f3f7f4;
  --surface: #ffffff;
  --ink: #0d1f16;
  --ink-soft: #34453b;
  --muted: #6b7a70;
  --line: rgba(13, 31, 22, 0.12);
  --green: #008751;          /* Nigeria green */
  --green-bright: #00a862;
  --green-deep: #00532f;
  --green-tint: #eaf3ee;
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 48px);
}

h1, h2, h3, h4, h5 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.section {
  padding: clamp(72px, 11vw, 140px) 0;
  position: relative;
}

.section-title {
  font-size: clamp(2rem, 4.4vw, 3.4rem);
  color: var(--ink);
}

.kicker {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 1.1rem;
}
.kicker--light { color: #bff0d6; }

.muted { color: var(--muted); }
.lead-narrow { max-width: 640px; margin-top: 1rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.95em 1.7em;
  border-radius: 100px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.btn-sm { padding: 0.6em 1.25em; font-size: 0.82rem; }
.btn-solid { background: var(--green); color: #ffffff; }
.btn-solid:hover { background: var(--green-deep); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: #ffffff; border-color: rgba(255,255,255,0.55); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.12); }
.btn .arrow { transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.text-link {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: color 0.25s var(--ease);
  white-space: nowrap;
}
.text-link:hover { color: var(--green-deep); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: background 0.4s var(--ease), padding 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.65rem 0;
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(13, 31, 22, 0.06);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

/* Over the hero video the brand/nav are light; once scrolled onto white they go dark */
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: #ffffff; transition: color 0.4s var(--ease); }
.brand-mark {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.7);
  color: #ffffff;
  border-radius: 50%;
  font-family: 'Fraunces', serif;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  flex-shrink: 0;
  transition: color 0.4s var(--ease), border-color 0.4s var(--ease);
}
.brand-name { font-family: 'Fraunces', serif; font-size: 1.02rem; font-weight: 500; letter-spacing: 0.01em; }

/* Logo image */
.brand-logo { height: 46px; width: auto; display: block; transition: height 0.4s var(--ease), filter 0.4s var(--ease); }
/* Over the hero video the green logo is rendered white for contrast; on white it shows in brand green */
.site-header .brand-logo { filter: brightness(0) invert(1); }
.site-header.scrolled .brand-logo,
.site-header.solid .brand-logo { filter: none; height: 40px; }
/* Dark footer: render logo white */
.site-footer .brand-logo { height: 42px; filter: brightness(0) invert(1); }

.scrolled .brand { color: var(--ink); }
.scrolled .brand-mark { color: var(--green); border-color: var(--green); }

.main-nav { display: flex; gap: 2rem; margin-left: auto; }
.main-nav a {
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  transition: color 0.25s var(--ease);
}
.main-nav a::after {
  content: ''; position: absolute; left: 0; bottom: -5px;
  width: 0; height: 1px; background: var(--green);
  transition: width 0.3s var(--ease);
}
.main-nav a:hover { color: #fff; }
.main-nav a:hover::after { width: 100%; }
.scrolled .main-nav a { color: var(--ink-soft); }
.scrolled .main-nav a:hover { color: var(--green); }

/* ---------- Nav dropdown (desktop) ---------- */
.nav-dd { position: relative; display: inline-flex; align-items: center; }
.nav-dd-trigger {
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem; font-weight: 500; letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.9);
  background: none; border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.4em;
  padding: 0;
  transition: color 0.25s var(--ease);
}
.dd-caret { font-size: 0.7em; transition: transform 0.3s var(--ease); }
.nav-dd:hover .dd-caret, .nav-dd:focus-within .dd-caret { transform: rotate(180deg); }
.nav-dd-trigger:hover { color: #fff; }
.scrolled .main-nav .nav-dd-trigger,
.site-header.solid .main-nav .nav-dd-trigger { color: var(--ink-soft); }
.scrolled .main-nav .nav-dd-trigger:hover,
.site-header.solid .main-nav .nav-dd-trigger:hover { color: var(--green); }

.nav-dd-menu {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 252px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(13, 31, 22, 0.14);
  padding: 0.55rem;
  margin-top: 0.7rem;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0.3s var(--ease);
  z-index: 120;
}
.nav-dd-menu::before {
  content: ''; position: absolute; left: 0; right: 0; top: -0.9rem; height: 0.9rem;
}
.nav-dd:hover .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav-dd-menu a {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.92rem; font-weight: 500;
  color: var(--ink-soft);
  padding: 0.72em 0.95em;
  border-radius: 9px;
  white-space: nowrap;
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}
.nav-dd-menu a::after { display: none; }
.nav-dd-menu a:hover { background: var(--green-tint); color: var(--green); }

.nav-actions { display: flex; align-items: center; gap: 1rem; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.nav-toggle span { width: 24px; height: 2px; background: #ffffff; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), background 0.3s var(--ease); }
.scrolled .nav-toggle span { background: var(--ink); }
.nav-toggle.open span { background: var(--ink); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav backdrop */
.nav-backdrop {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(13, 31, 22, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0.4s var(--ease);
  display: none;
}
body.nav-lock { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: clamp(36px, 6vw, 70px);
  overflow: hidden;
  color: #ffffff;
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-media iframe {
  position: absolute;
  top: 50%; left: 50%;
  width: 100vw; height: 56.25vw;          /* 16:9 */
  min-height: 100vh; min-width: 177.77vh;  /* cover */
  transform: translate(-50%, -50%);
  pointer-events: none;
  border: 0;
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(0,60,34,0.45) 0%, rgba(0,40,22,0.35) 35%, rgba(0,45,26,0.9) 100%),
    radial-gradient(120% 80% at 50% 0%, rgba(0,40,22,0.15), rgba(0,40,22,0.6));
}
.hero-content { position: relative; z-index: 2; max-width: 1300px; margin-top:150px;}
.eyebrow {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase;
  color: #bff0d6; margin-bottom: 1.4rem;
}
.hero-title {
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 1.6rem;
  color: #ffffff;
}
.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.3rem);
  color: rgba(255,255,255,0.92);
  max-width: 580px;
  margin-bottom: 2.2rem;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-meta {
  position: relative; z-index: 2;
  display: flex; gap: clamp(2rem, 6vw, 5rem);
  margin-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255,255,255,0.25);
}
.hero-meta-item { display: flex; flex-direction: column; gap: 0.3rem; }
.meta-label { font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(255,255,255,0.7); }
.meta-value { font-family: 'Fraunces', serif; font-size: 1.05rem; color: #ffffff; }

/* ---------- Grid helpers ---------- */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
}
.grid-2--align { align-items: center; }

/* ---------- Media frames ---------- */
.section-media { margin: 0; }
.section-media img {
  width: 100%; height: auto; display: block;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: 0 18px 48px rgba(13, 31, 22, 0.10);
}
.declaration .section-media img { border-color: rgba(255,255,255,0.4); box-shadow: 0 18px 48px rgba(0,0,0,0.18); }

.banner {
  margin: 0 0 clamp(2.2rem, 4vw, 3.2rem);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.banner img { width: 100%; height: auto; display: block; }

.partners-flag {
  margin: 0 0 clamp(1.8rem, 3vw, 2.6rem);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(13, 31, 22, 0.08);
}
.partners-flag img { width: 100%; height: auto; display: block; }

.subscribe-flag { width: 64px; margin: 0 auto 1.3rem; }
.subscribe-flag img { width: 100%; height: auto; display: block; }

/* ---------- About ---------- */
.about { background: var(--bg); }
.about-right p { color: var(--ink-soft); margin-bottom: 1.2rem; font-size: 1.05rem; }
.about-right .text-link { margin-top: 0.5rem; }

/* ---------- 2026 Edition ---------- */
.edition { background: var(--bg-soft); }
.edition-left p { margin: 1.4rem 0 1.6rem; font-size: 1.05rem; color: var(--ink-soft); }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.stat-grid--wide { grid-template-columns: repeat(4, 1fr); margin-top: clamp(2.2rem, 5vw, 4rem); }
.stat-card { background: var(--surface); padding: 1.6rem 1.5rem; display: flex; flex-direction: column; gap: 0.5rem; min-height: 130px; }
.stat-label { font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--green); }
.stat-value { font-family: 'Fraunces', serif; font-size: 1.25rem; color: var(--ink); line-height: 1.25; }

/* ---------- Section head ---------- */
.section-head { max-width: 760px; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.row-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; max-width: 100%; }

/* ---------- Pillars ---------- */
.pillars { background: var(--bg); }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.pillar {
  background: var(--surface);
  padding: clamp(1.8rem, 3vw, 2.6rem);
  min-height: 230px;
  display: flex; flex-direction: column;
  transition: background 0.4s var(--ease);
}
.pillar:hover { background: var(--green-tint); }
.pillar-num { font-family: 'Fraunces', serif; font-size: 1rem; color: var(--green); margin-bottom: auto; }
.pillar h3 { font-size: 1.3rem; margin: 1.6rem 0 0.7rem; color: var(--ink); }
.pillar p { color: var(--muted); font-size: 0.97rem; }

/* ---------- Speakers ---------- */
.speakers { background: var(--bg-soft); }
.speaker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; }
.speaker-card { display: flex; flex-direction: column; }
.speaker-photo {
  aspect-ratio: 3 / 4;
  border-radius: 12px;
  margin-bottom: 1.1rem;
  background: var(--green-tint);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.speaker-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.speaker-card h4 { font-size: 1.15rem; color: var(--ink); margin-bottom: 0.25rem; }
.speaker-role { font-size: 0.85rem; color: var(--green); letter-spacing: 0.04em; }

/* ---------- Forum ---------- */
.forum { background: var(--bg); }
.forum-left p { margin: 1.4rem 0 1.6rem; font-size: 1.05rem; color: var(--ink-soft); }
.forum-right { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: start; }
.forum-img {
  margin: 0;
  border-radius: 14px;
  aspect-ratio: 4 / 5;
  background: var(--green-tint);
  border: 1px solid var(--line);
  overflow: hidden;
}
.forum-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.forum-img--tall { aspect-ratio: 3 / 5; margin-top: 2.4rem; }

/* ---------- Declaration ---------- */
.declaration {
  background: linear-gradient(135deg, var(--green-deep), var(--green) 70%, var(--green-bright));
  color: #ffffff;
}
.declaration .section-title { color: #ffffff; }
.declaration-inner { max-width: 760px; }
.declaration-inner p { color: rgba(255,255,255,0.92); font-size: 1.1rem; margin: 1.3rem 0 2rem; }
.declaration .btn-solid { background: #ffffff; color: var(--green-deep); }
.declaration .btn-solid:hover { background: #eaf3ee; }

/* ---------- Partners ---------- */
.partners { background: var(--bg); padding-top: clamp(48px, 7vw, 80px); padding-bottom: clamp(48px, 7vw, 80px); }
.partner-row {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.9rem;
  padding-top: 0.5rem;
}
.partner-row span {
  display: inline-flex;
  align-items: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.7em 1.5em;
  cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease), transform 0.3s var(--ease);
}
.partner-row span:hover {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-tint);
  transform: translateY(-2px);
}

/* ---------- News ---------- */
.news { background: var(--bg-soft); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.news-card .news-img {
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  margin-bottom: 1.3rem;
  background: var(--green-tint);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: transform 0.45s var(--ease);
}
.news-card .news-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.news-card:hover .news-img { transform: translateY(-4px); }
.tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--green); margin-bottom: 0.7rem;
}
.news-card h3 { font-size: 1.35rem; color: var(--ink); margin-bottom: 0.6rem; }
.news-card p { color: var(--muted); font-size: 0.97rem; }

/* ---------- Subscribe ---------- */
.subscribe {
  background: var(--green-tint);
  border-top: 1px solid var(--line);
  text-align: center;
}
.subscribe-inner { max-width: 720px; margin: 0 auto; }
.subscribe-form {
  display: flex; gap: 0.7rem; flex-wrap: wrap; justify-content: center;
  margin: 2rem auto 1rem; max-width: 540px;
}
.subscribe-form input {
  flex: 1; min-width: 240px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 0.95em 1.5em;
  color: var(--ink);
  font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.3s var(--ease);
}
.subscribe-form input:focus { outline: none; border-color: var(--green); }
.subscribe-form input::placeholder { color: var(--muted); }
.form-note { color: var(--green-deep); font-weight: 600; font-size: 0.95rem; margin-top: 0.5rem; }
.social-row { display: flex; gap: 1.6rem; justify-content: center; margin-top: 2.2rem; }
.social-row a { color: var(--ink-soft); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.25s var(--ease); }
.social-row a:hover { color: var(--green); }
.contact-email { margin-top: 1.4rem; color: var(--muted); font-size: 0.95rem; }
.contact-email a { color: var(--green); font-weight: 600; text-decoration: none; transition: color 0.25s var(--ease); }
.contact-email a:hover { color: var(--green-deep); text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-deep); color: #ffffff; padding: clamp(56px, 8vw, 90px) 0 2.5rem; }
.site-footer .brand { color: #ffffff; }
.site-footer .brand-mark { color: #ffffff; border-color: rgba(255,255,255,0.6); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; }
.footer-brand p { color: rgba(255,255,255,0.75); font-size: 0.95rem; margin-top: 1.1rem; max-width: 320px; }
.footer-col h5 { font-family: 'Inter', sans-serif; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; color: #bff0d6; margin-bottom: 1.1rem; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.65rem; }
.footer-col a { color: rgba(255,255,255,0.82); text-decoration: none; font-size: 0.95rem; transition: color 0.25s var(--ease); }
.footer-col a:hover { color: #ffffff; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  margin-top: clamp(3rem, 6vw, 5rem); padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.7); font-size: 0.85rem;
}

/* ---------- Solid header (interior pages) ---------- */
.site-header.solid {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 6px 24px rgba(13, 31, 22, 0.06);
}
.site-header.solid .brand { color: var(--ink); }
.site-header.solid .brand-mark { color: var(--green); border-color: var(--green); }
.site-header.solid .main-nav a { color: var(--ink-soft); }
.site-header.solid .main-nav a:hover { color: var(--green); }
.site-header.solid .nav-toggle span { background: var(--ink); }
.main-nav a.active { color: var(--green); }
.main-nav a.active::after { width: 100%; }

/* ---------- Page header (interior pages) ---------- */
.page-header {
  background: radial-gradient(120% 100% at 50% 0%, var(--green-tint), var(--bg) 75%);
  padding: clamp(140px, 18vw, 200px) 0 clamp(50px, 7vw, 84px);
  border-bottom: 1px solid var(--line);
}
.page-header .eyebrow { color: var(--green); }
.page-title { font-size: clamp(2.4rem, 6vw, 4.2rem); color: var(--ink); margin-bottom: 1.2rem; }
.page-lead { color: var(--ink-soft); max-width: 640px; font-size: clamp(1.05rem, 1.8vw, 1.25rem); }

/* ---------- About The Colloquium (feature cards) ---------- */
.about-intro { background: var(--bg); }
.about-intro-head { max-width: 720px; margin: 0 auto clamp(3rem, 6vw, 4.5rem); text-align: center; }
.about-lead { color: var(--ink-soft); font-size: clamp(1.1rem, 2vw, 1.35rem); margin-top: 1.1rem; }
.about-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(1.4rem, 3vw, 2.2rem); }
.about-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.about-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(13, 31, 22, 0.10); }
.about-card-img { margin: 0; }
.about-card-img img { width: 100%; height: auto; display: block; border-bottom: 1px solid var(--line); }
.about-card h3 { font-size: 1.35rem; color: var(--ink); margin: 1.6rem clamp(1.4rem, 2.4vw, 1.9rem) 0.6rem; }
.about-card p { color: var(--muted); font-size: 0.98rem; margin: 0 clamp(1.4rem, 2.4vw, 1.9rem) clamp(1.6rem, 2.4vw, 1.9rem); }

/* ---------- Vision & Mission (split feature) ---------- */
.vm { background: var(--bg-soft); }
.vm-split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}
.vm-split + .vm-split { margin-top: clamp(3rem, 7vw, 6rem); }
.vm-split--rev .vm-media { order: 2; }
.vm-media { margin: 0; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 18px 48px rgba(13, 31, 22, 0.10); }
.vm-media img { width: 100%; height: auto; display: block; }
.vm-text { max-width: 520px; }
.vm-statement {
  font-family: 'Fraunces', Georgia, serif;
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-top: 0.6rem;
}
.vm-text .kicker { position: relative; padding-left: 2.4rem; }
.vm-text .kicker::before { content: ''; position: absolute; left: 0; top: 0.45em; width: 1.8rem; height: 2px; background: var(--green); }

/* ---------- Core Values ---------- */
.values { background: var(--bg); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.value-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: clamp(1.6rem, 3vw, 2.2rem);
  min-height: 150px;
  display: flex; flex-direction: column;
  transition: background 0.4s var(--ease), transform 0.4s var(--ease);
}
.value-card:hover { background: var(--green-tint); transform: translateY(-3px); }
.value-num { font-family: 'Fraunces', serif; font-size: 0.95rem; color: var(--green); margin-bottom: auto; }
.value-card h3 { font-size: 1.3rem; margin-top: 1.4rem; color: var(--ink); }

/* ---------- Profile ---------- */
.profile { background: var(--bg-soft); }
.profile-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.5rem 0 1.6rem; }
.profile-tags span {
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 100px;
  padding: 0.5em 1.15em;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.bio-note { color: var(--muted); max-width: 540px; font-size: 1.02rem; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .nav-backdrop { display: block; }
  .nav-backdrop.show { opacity: 1; visibility: visible; }

  .main-nav {
    position: fixed; top: 0; right: 0;
    height: 100dvh; width: min(86vw, 360px);
    background: #ffffff;
    flex-direction: column; justify-content: flex-start; align-items: stretch;
    gap: 0; padding: 6.5rem 2rem 2.5rem;
    transform: translateX(100%);
    transition: transform 0.45s var(--ease);
    border-left: 1px solid var(--line);
    box-shadow: -24px 0 60px rgba(13, 31, 22, 0.20);
    z-index: 100;
    overflow-y: auto;
  }
  .main-nav::before {
    content: 'Menu';
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem; font-weight: 600;
    letter-spacing: 0.22em; text-transform: uppercase;
    color: var(--green);
    margin-bottom: 0.6rem;
  }
  .main-nav.open { transform: translateX(0); }

  /* top-level items + dropdown trigger share the big style */
  .main-nav > a, .main-nav .nav-dd-trigger {
    font-family: 'Fraunces', serif;
    font-size: 1.3rem; font-weight: 500;
    color: var(--ink);
    width: 100%;
    padding: 1.05rem 0;
    border-bottom: 1px solid var(--line);
    letter-spacing: 0;
    display: flex; align-items: center; justify-content: space-between;
    gap: 0.5rem;
  }
  .main-nav > a::before { display: none; }
  .main-nav > a::after {
    content: '\2192';
    position: static; width: auto; height: auto; background: none;
    font-family: 'Inter', sans-serif; font-size: 1rem;
    color: var(--green);
    opacity: 0; transform: translateX(-6px);
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  }
  .main-nav > a:hover, .main-nav > a.active { color: var(--green); }
  .main-nav > a:hover::after, .main-nav > a.active::after { opacity: 1; transform: none; }

  /* dropdown becomes an accordion */
  .nav-dd { display: block; width: 100%; position: static; }
  .nav-dd-trigger { color: var(--ink); }
  .nav-dd-trigger:hover { color: var(--green); }
  .nav-dd .dd-caret { font-size: 0.85em; color: var(--green); }
  .nav-dd:hover .dd-caret { transform: none; }
  .nav-dd.expanded .dd-caret { transform: rotate(180deg); }
  .nav-dd-menu {
    position: static; min-width: 0;
    background: transparent; border: none; border-radius: 0;
    box-shadow: none; padding: 0; margin: 0;
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: none;
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s var(--ease);
  }
  .nav-dd-menu::before { display: none; }
  .nav-dd:hover .nav-dd-menu, .nav-dd:focus-within .nav-dd-menu { transform: none; }
  .nav-dd.expanded .nav-dd-menu { max-height: 340px; }
  .nav-dd-menu a {
    font-family: 'Inter', sans-serif;
    font-size: 1rem; font-weight: 500;
    color: var(--ink-soft);
    display: block;
    padding: 0.85rem 0 0.85rem 1.15rem;
    margin-left: 0.15rem;
    border-left: 2px solid var(--green);
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    white-space: normal;
  }
  .nav-dd-menu a:hover { background: transparent; color: var(--green); }

  /* reveal + stagger across all top-level items */
  .main-nav > a, .main-nav > .nav-dd {
    opacity: 0; transform: translateX(16px);
    transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), color 0.25s var(--ease);
  }
  .main-nav.open > a, .main-nav.open > .nav-dd { opacity: 1; transform: none; }
  .main-nav.open > *:nth-child(1) { transition-delay: 0.10s; }
  .main-nav.open > *:nth-child(2) { transition-delay: 0.16s; }
  .main-nav.open > *:nth-child(3) { transition-delay: 0.22s; }
  .main-nav.open > *:nth-child(4) { transition-delay: 0.28s; }
  .main-nav.open > *:nth-child(5) { transition-delay: 0.34s; }
  .main-nav.open > *:nth-child(6) { transition-delay: 0.40s; }

  .nav-toggle { display: flex; z-index: 110; }

  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid--wide { grid-template-columns: repeat(2, 1fr); }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  .grid-2 { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .vm-split { grid-template-columns: 1fr; gap: 1.6rem; }
  .vm-split--rev .vm-media { order: 0; }
  .row-head { flex-direction: column; align-items: flex-start; gap: 1.2rem; }
  .stat-grid { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .speaker-grid { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-meta { flex-direction: column; gap: 1.2rem; }
  .btn { width: 100%; justify-content: center; }
  .hero-cta { width: 100%; }
}