/* =====================================================
   Yen Dinh Secondary School — Portal Stylesheet (v3)
   Traditional Vietnamese school-portal layout.
   100% original CSS. Vanilla, no framework. Mobile-first
   considerations with desktop-first portal grid.
   ===================================================== */

/* ---------- RESET & TOKENS ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:        #1b4f9c;
  --primary-dark:   #143b78;
  --primary-darker: #0e2c5c;
  --secondary:      #e8f0fb;
  --accent:         #f5a623;
  --accent-dark:    #d98c0a;
  --ink:            #1f2a3d;
  --ink-soft:       #4a5870;
  --ink-faint:      #7a879c;
  --paper:          #ffffff;
  --paper-soft:     #f4f7fc;
  --line:           #dbe5f3;
  --line-soft:      #e9eff8;
  --good:           #1d7a45;
  --sh-1: 0 1px 3px rgba(15,44,92,.07);
  --sh-2: 0 4px 16px rgba(15,44,92,.10);
  --sh-3: 0 14px 40px rgba(15,44,92,.16);
  --r-s: 8px;
  --r-m: 14px;
  --r-l: 22px;
  --tween: .25s cubic-bezier(.2,.7,.3,1);
  --font: 'Be Vietnam Pro', 'Segoe UI', 'Helvetica Neue', Arial, system-ui, sans-serif;
  --wrap: 1220px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.68;
  color: var(--ink);
  background: var(--paper-soft);
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color var(--tween); }
a:hover { color: var(--primary-dark); }
img, svg { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.28; color: var(--ink); font-weight: 800; letter-spacing: -.01em; }
:focus-visible { outline: 3px solid rgba(245,166,35,.6); outline-offset: 2px; border-radius: 4px; }

/* i18n visibility toggle (driven by app.js) */
.lang-vi [data-lang="en"] { display: none !important; }
.lang-en [data-lang="vi"] { display: none !important; }

/* ---------- LAYOUT HELPERS ---------- */
.container { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.section { padding: 56px 0; }
.section-tight { padding: 40px 0; }
.section-light { background: var(--paper); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 38px; }
.section-head .eyebrow {
  display: inline-block; font-size: .76rem; font-weight: 800; letter-spacing: 2px;
  text-transform: uppercase; color: var(--accent-dark); margin-bottom: 12px;
  position: relative; padding-bottom: 11px;
}
.section-head .eyebrow::after {
  content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 40px; height: 3px; border-radius: 3px; background: var(--accent);
}
.section-head h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); color: var(--primary-dark); }
.section-head p { color: var(--ink-soft); margin-top: 12px; }

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 22px; border-radius: var(--r-s); font-weight: 700;
  font-size: .94rem; cursor: pointer; border: 2px solid transparent;
  transition: var(--tween); text-align: center; line-height: 1.2; font-family: inherit;
}
.btn i { font-size: .92em; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--sh-1); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: var(--sh-2); }
.btn-accent { background: var(--accent); color: #3a2600; box-shadow: 0 5px 14px rgba(245,166,35,.32); }
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary-dark); box-shadow: var(--sh-1); }
.btn-light:hover { background: var(--secondary); color: var(--primary-dark); transform: translateY(-2px); }
.btn-ghost-light { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.55); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.btn-ghost-light:hover { background: #fff; color: var(--primary-dark); transform: translateY(-2px); }
.btn-sm { padding: 8px 16px; font-size: .84rem; }

/* =====================================================
   1. TOP BAR — address / email / phone + lang switch
   ===================================================== */
.top-bar { background: var(--primary-darker); color: #cfe0f7; font-size: .82rem; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px 18px; min-height: 40px; }
.top-bar a { color: #cfe0f7; }
.top-bar a:hover { color: #fff; }
.top-bar-left, .top-bar-right { display: flex; align-items: center; gap: 8px 20px; flex-wrap: wrap; }
.top-bar-left span, .top-bar-left a { display: inline-flex; align-items: center; }
.top-bar i { color: var(--accent); margin-right: 6px; }
.lang-switch { display: inline-flex; align-items: center; gap: 2px; background: rgba(255,255,255,.1); border-radius: 999px; padding: 3px; }
.lang-switch button {
  border: none; background: transparent; color: #c4d3ea; font-weight: 800;
  font-size: .74rem; padding: 4px 12px; border-radius: 999px; cursor: pointer;
  transition: var(--tween); font-family: inherit; letter-spacing: .5px;
}
.lang-switch button.active { background: var(--accent); color: #3a2600; }

/* =====================================================
   2. SITE BANNER — logo + full name + slogan strip
   ===================================================== */
.site-banner {
  background:
    radial-gradient(circle at 88% -40%, rgba(245,166,35,.16), transparent 46%),
    linear-gradient(110deg, var(--primary-dark), var(--primary));
  color: #fff; position: relative; overflow: hidden;
}
.site-banner::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 5px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent) 18%, rgba(255,255,255,.35) 18%, rgba(255,255,255,.35) 22%, var(--accent) 22%, var(--accent) 40%, rgba(255,255,255,.35) 40%, rgba(255,255,255,.35) 44%, var(--accent) 44%);
  opacity: .9;
}
.banner-inner { display: flex; align-items: center; gap: 20px; padding: 22px 0 26px; flex-wrap: wrap; }
.banner-logo { display: flex; align-items: center; gap: 18px; flex: 1 1 auto; min-width: 0; }
.banner-logo img { width: 78px; height: 78px; flex: none; filter: drop-shadow(0 4px 10px rgba(0,0,0,.25)); }
.banner-titles { min-width: 0; }
.banner-titles .authority { font-size: .8rem; font-weight: 600; color: #cfe0f7; letter-spacing: .3px; text-transform: uppercase; }
.banner-titles .school-full { font-size: clamp(1.25rem, 2.6vw, 1.85rem); font-weight: 800; color: #fff; line-height: 1.2; margin: 2px 0 6px; text-shadow: 0 2px 12px rgba(0,0,0,.18); }
.banner-titles .slogan { display: inline-flex; align-items: center; gap: 9px; font-size: .9rem; font-weight: 600; color: var(--accent); }
.banner-titles .slogan::before { content: "\f005"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .72rem; }
.banner-aside { display: flex; align-items: center; gap: 18px; flex: none; }
.banner-badge { text-align: center; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); border-radius: var(--r-m); padding: 12px 18px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.banner-badge .bb-num { font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.banner-badge .bb-label { font-size: .72rem; color: #d8e4f7; margin-top: 4px; letter-spacing: .4px; }

/* =====================================================
   3. STICKY HORIZONTAL MAIN MENU + dropdowns
   ===================================================== */
.site-nav { background: var(--paper); box-shadow: var(--sh-1); position: sticky; top: 0; z-index: 100; border-bottom: 3px solid var(--primary); }
.site-nav.scrolled { box-shadow: var(--sh-2); }
.nav-inner { display: flex; align-items: stretch; justify-content: space-between; }
.main-nav { flex: 1 1 auto; }
.main-nav > ul { display: flex; flex-wrap: wrap; align-items: stretch; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex; align-items: center; gap: 7px; height: 100%; padding: 15px 16px;
  font-weight: 600; color: var(--ink); font-size: .92rem; position: relative; white-space: nowrap;
}
.main-nav > ul > li > a > i.home-ic { color: var(--primary); }
.main-nav > ul > li > a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px;
  background: var(--accent); transform: scaleX(0); transform-origin: center; transition: transform .25s ease;
}
.main-nav > ul > li > a:hover { color: var(--primary); background: var(--secondary); }
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li.active > a::after { transform: scaleX(1); }
.main-nav > ul > li.active > a { color: var(--primary); }
.main-nav .has-dropdown > a .caret { font-size: .56rem; opacity: .6; margin-left: 1px; transition: var(--tween); }
.main-nav .has-dropdown:hover > a .caret { transform: rotate(180deg); }

.dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 248px; background: #fff;
  box-shadow: var(--sh-3); border-radius: 0 0 var(--r-s) var(--r-s); padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(8px); transition: var(--tween);
  border-top: 3px solid var(--accent); z-index: 60;
}
.main-nav .has-dropdown:hover .dropdown-menu,
.main-nav .has-dropdown:focus-within .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a { display: flex; align-items: center; gap: 9px; padding: 10px 13px; border-radius: var(--r-s); font-size: .88rem; color: var(--ink-soft); font-weight: 500; }
.dropdown-menu a::before { content: "\f105"; font-family: "Font Awesome 6 Free"; font-weight: 900; font-size: .72rem; color: var(--accent-dark); opacity: .7; }
.dropdown-menu a:hover { background: var(--secondary); color: var(--primary); padding-left: 17px; }

.nav-search { display: flex; align-items: center; padding: 0 4px; flex: none; }
.nav-search button { background: var(--secondary); color: var(--primary-dark); border: none; width: 40px; height: 40px; border-radius: var(--r-s); cursor: pointer; font-size: .95rem; align-self: center; transition: var(--tween); }
.nav-search button:hover { background: var(--primary); color: #fff; }

.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 14px 16px; align-self: center; }
.menu-toggle span { width: 26px; height: 3px; background: var(--primary-dark); border-radius: 3px; transition: var(--tween); }
.menu-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.nav-scrim {
  position: fixed; inset: 0; background: rgba(14,44,92,.45); opacity: 0; visibility: hidden;
  transition: opacity .3s ease; z-index: 95; -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.nav-scrim.show { opacity: 1; visibility: visible; }

/* =====================================================
   4. HERO slideshow
   ===================================================== */
.hero { position: relative; color: #fff; overflow: hidden; isolation: isolate; }
.hero-slides { position: absolute; inset: 0; z-index: -2; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.1s ease; }
.hero-slide.active { opacity: 1; animation: heroZoom 8s ease forwards; }
@keyframes heroZoom { from { transform: scale(1.07); } to { transform: scale(1); } }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, rgba(10,33,70,.90) 0%, rgba(16,52,108,.72) 48%, rgba(27,79,156,.46) 100%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: radial-gradient(circle at 84% 16%, rgba(245,166,35,.28), transparent 42%);
}
.hero .container { position: relative; z-index: 2; padding: 84px 20px 92px; max-width: 880px; }
.hero .hero-level { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.3); padding: 7px 16px; border-radius: 999px; font-size: .8rem; font-weight: 600; margin-bottom: 22px; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.hero h1 { font-size: clamp(1.9rem, 4.4vw, 3rem); font-weight: 800; text-shadow: 0 2px 22px rgba(0,0,0,.25); }
.hero .tagline { font-size: clamp(1.02rem, 1.8vw, 1.3rem); color: var(--accent); font-weight: 700; margin: 16px 0 12px; }
.hero p.lead { font-size: clamp(1rem,1.3vw,1.08rem); color: #e4ecfa; max-width: 640px; text-shadow: 0 1px 10px rgba(0,0,0,.28); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-dots { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 3; display: flex; gap: 9px; }
.hero-dots button { width: 11px; height: 11px; border-radius: 50%; border: 2px solid rgba(255,255,255,.7); background: transparent; cursor: pointer; padding: 0; transition: var(--tween); }
.hero-dots button.active { background: var(--accent); border-color: var(--accent); transform: scale(1.15); }

/* =====================================================
   5. PORTAL TWO-COLUMN LAYOUT
   ===================================================== */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 34px; align-items: start; }
.layout-main { min-width: 0; }
.layout-side { display: grid; gap: 24px; position: sticky; top: 72px; }

/* block heading used across main + side */
.block { margin-bottom: 36px; }
.block:last-child { margin-bottom: 0; }
.block-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border-bottom: 2px solid var(--line); margin-bottom: 22px; padding-bottom: 0;
}
.block-head h2, .block-head h3 {
  font-size: 1.18rem; color: var(--primary-dark); text-transform: uppercase; letter-spacing: .3px;
  position: relative; padding: 0 0 12px; margin-bottom: -2px;
}
.block-head h2::after, .block-head h3::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 100%; height: 3px;
  background: var(--primary); border-radius: 3px;
}
.block-head .more-link { font-size: .82rem; font-weight: 700; color: var(--accent-dark); display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.block-head .more-link:hover { gap: 9px; }

/* ----- ★ FOUNDING FEATURE DOCUMENT BOX ----- */
.feature-doc {
  background: #fff; border: 1px solid var(--line); border-left: 6px solid var(--accent);
  border-radius: var(--r-m); box-shadow: var(--sh-2); padding: 26px 28px; position: relative; overflow: hidden;
}
.feature-doc::before {
  content: "\f5ac"; font-family: "Font Awesome 6 Free"; font-weight: 900;
  position: absolute; right: -14px; top: -20px; font-size: 8rem; color: rgba(27,79,156,.05); z-index: 0;
}
.feature-doc > * { position: relative; z-index: 1; }
.feature-doc .doc-flag {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #3a2600;
  font-weight: 800; font-size: .8rem; padding: 6px 15px; border-radius: 999px; margin-bottom: 14px;
}
.feature-doc h2 { color: var(--primary-dark); font-size: clamp(1.3rem, 2.2vw, 1.6rem); margin-bottom: 12px; }
.feature-doc .doc-summary { color: var(--ink-soft); margin-bottom: 16px; }
.feature-doc .doc-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 18px; }
.feature-doc .doc-meta .mi { background: var(--paper-soft); border-radius: var(--r-s); padding: 12px 14px; border-left: 3px solid var(--primary); }
.feature-doc .doc-meta .mi .label { font-size: .68rem; text-transform: uppercase; letter-spacing: .8px; color: var(--ink-faint); font-weight: 800; }
.feature-doc .doc-meta .mi .value { font-weight: 700; color: var(--primary-dark); font-size: .94rem; margin-top: 3px; }
.feature-doc .doc-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ----- ★ NON-PROFIT HIGHLIGHT BAND ----- */
.nonprofit-strip {
  background: radial-gradient(circle at 92% 8%, rgba(245,166,35,.2), transparent 48%), linear-gradient(120deg, var(--primary-dark), var(--primary));
  color: #fff; border-radius: var(--r-m); padding: 28px 30px; box-shadow: var(--sh-2); position: relative; overflow: hidden;
}
.nonprofit-strip .np-flag { display: inline-flex; align-items: center; gap: 8px; background: rgba(245,166,35,.2); color: var(--accent); font-weight: 800; font-size: .78rem; padding: 6px 14px; border-radius: 999px; margin-bottom: 12px; }
.nonprofit-strip h2 { color: #fff; font-size: clamp(1.25rem, 2.2vw, 1.55rem); margin-bottom: 10px; }
.nonprofit-strip .np-statement { color: #e6eefb; margin-bottom: 20px; font-size: .98rem; }
.nonprofit-strip .np-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.nonprofit-strip .np-point { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: var(--r-s); padding: 16px 16px; text-align: center; transition: var(--tween); }
.nonprofit-strip .np-point:hover { background: rgba(255,255,255,.14); transform: translateY(-4px); }
.nonprofit-strip .np-point .npi { width: 48px; height: 48px; margin: 0 auto 10px; border-radius: 50%; background: var(--accent); color: #3a2600; display: flex; align-items: center; justify-content: center; font-size: 1.15rem; }
.nonprofit-strip .np-point h3 { color: #fff; font-size: .9rem; line-height: 1.4; }
.nonprofit-strip .np-cta { margin-top: 20px; }

/* ----- NEWS LIST (portal style: thumb + title + date) ----- */
.news-list { display: grid; gap: 16px; }
.news-row {
  display: grid; grid-template-columns: 150px 1fr; gap: 18px; background: #fff;
  border: 1px solid var(--line); border-radius: var(--r-m); overflow: hidden; transition: var(--tween);
}
.news-row:hover { box-shadow: var(--sh-2); border-color: transparent; transform: translateY(-3px); }
.news-row .nr-thumb { position: relative; overflow: hidden; background: var(--secondary); aspect-ratio: 4/3; }
.news-row .nr-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-row:hover .nr-thumb img { transform: scale(1.07); }
.news-row .nr-thumb .nr-tag { position: absolute; top: 9px; left: 9px; background: var(--accent); color: #3a2600; font-size: .66rem; font-weight: 800; padding: 3px 9px; border-radius: 999px; }
.news-row .nr-body { padding: 14px 18px 14px 0; display: flex; flex-direction: column; }
.news-row .nr-date { font-size: .78rem; color: var(--ink-faint); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 6px; }
.news-row .nr-date i { color: var(--accent-dark); }
.news-row h3 { font-size: 1.04rem; color: var(--primary-dark); margin-bottom: 6px; }
.news-row h3 a { color: inherit; }
.news-row h3 a:hover { color: var(--primary); }
.news-row p { font-size: .9rem; color: var(--ink-soft); margin: 0; }
.news-row .read-more { margin-top: auto; padding-top: 8px; font-weight: 700; font-size: .84rem; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.news-row .read-more:hover { gap: 9px; }

/* lead (featured) news on top of list */
.news-lead {
  grid-template-columns: 280px 1fr;
}
.news-lead .nr-body { padding: 20px 22px 20px 0; }
.news-lead h3 { font-size: 1.25rem; }

/* news grid (cards) - reused on home + tin-tuc */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { background: #fff; border-radius: var(--r-m); overflow: hidden; box-shadow: var(--sh-1); transition: var(--tween); display: flex; flex-direction: column; border: 1px solid var(--line); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: transparent; }
.news-thumb { height: 180px; position: relative; overflow: hidden; background: var(--secondary); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-thumb img { transform: scale(1.07); }
.news-thumb .news-tag { position: absolute; top: 12px; left: 12px; background: var(--accent); color: #3a2600; font-size: .7rem; font-weight: 800; padding: 4px 11px; border-radius: 999px; z-index: 2; }
.news-thumb .news-date-badge { position: absolute; bottom: 12px; left: 12px; background: rgba(255,255,255,.95); color: var(--primary-dark); border-radius: 8px; padding: 5px 10px; font-size: .76rem; font-weight: 700; z-index: 2; display: inline-flex; align-items: center; gap: 6px; }
.news-thumb .news-date-badge i { color: var(--accent-dark); }
.news-body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 { font-size: 1.05rem; color: var(--primary-dark); margin-bottom: 9px; }
.news-body p { color: var(--ink-soft); font-size: .9rem; flex: 1; }
.news-body .read-more { margin-top: 14px; font-weight: 700; font-size: .86rem; display: inline-flex; align-items: center; gap: 7px; color: var(--primary); }
.news-body .read-more:hover { gap: 10px; }

/* ----- GALLERY PREVIEW (in main column) ----- */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gallery-item {
  position: relative; overflow: hidden; border-radius: var(--r-m); cursor: pointer;
  aspect-ratio: 4 / 3; box-shadow: var(--sh-1); background: var(--secondary);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.gallery-item::after {
  content: "\f00e"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: #fff; font-size: 1.3rem;
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(180deg, rgba(20,59,120,0) 30%, rgba(14,44,92,.55)); opacity: 0; transition: var(--tween);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }
.gallery-item .gi-caption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 12px 12px 10px; color: #fff; font-size: .82rem; font-weight: 600;
  background: linear-gradient(180deg, transparent, rgba(14,44,92,.82)); transform: translateY(8px); opacity: 0; transition: var(--tween); z-index: 2;
}
.gallery-item:hover .gi-caption { transform: translateY(0); opacity: 1; }
.gallery-grid.gallery-feature .gallery-item:nth-child(1),
.gallery-grid.gallery-feature .gallery-item:nth-child(6) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }

/* =====================================================
   SIDEBAR BOXES
   ===================================================== */
.side-box { background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); box-shadow: var(--sh-1); overflow: hidden; }
.side-box .sb-head {
  background: var(--primary); color: #fff; padding: 13px 18px; font-weight: 800; font-size: .92rem;
  text-transform: uppercase; letter-spacing: .4px; display: flex; align-items: center; gap: 9px;
}
.side-box .sb-head i { color: var(--accent); }
.side-box .sb-body { padding: 16px 18px; }

/* highlighted founding+nonprofit sidebar box */
.side-box.is-highlight { border: none; }
.side-box.is-highlight .sb-head { background: linear-gradient(120deg, var(--accent-dark), var(--accent)); color: #3a2600; }
.side-box.is-highlight .sb-head i { color: var(--primary-dark); }
.side-spotlight { display: grid; gap: 10px; }
.side-spotlight a {
  display: flex; gap: 12px; align-items: center; padding: 12px 13px; border-radius: var(--r-s);
  background: var(--secondary); border: 1px solid var(--line-soft); transition: var(--tween);
}
.side-spotlight a:hover { background: #fff; box-shadow: var(--sh-1); transform: translateX(3px); }
.side-spotlight .ssi { width: 42px; height: 42px; flex: none; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; color: #fff; background: var(--primary); }
.side-spotlight a:nth-child(2) .ssi { background: var(--accent-dark); }
.side-spotlight .sst .t { font-weight: 800; color: var(--primary-dark); font-size: .9rem; line-height: 1.3; }
.side-spotlight .sst .d { font-size: .76rem; color: var(--ink-faint); }

/* notice / document list */
.side-list { display: grid; gap: 0; }
.side-list li { border-bottom: 1px dashed var(--line); }
.side-list li:last-child { border-bottom: none; }
.side-list a { display: block; padding: 11px 0; }
.side-list .sl-title { display: flex; gap: 9px; color: var(--ink); font-weight: 600; font-size: .9rem; line-height: 1.4; transition: var(--tween); }
.side-list .sl-title::before { content: "\f0f6"; font-family: "Font Awesome 6 Free"; font-weight: 900; color: var(--accent-dark); font-size: .8rem; margin-top: 2px; flex: none; }
.side-list a:hover .sl-title { color: var(--primary); }
.side-list .sl-date { font-size: .74rem; color: var(--ink-faint); margin-top: 4px; margin-left: 17px; display: inline-flex; align-items: center; gap: 6px; }
.side-list .sl-new { background: var(--accent); color: #3a2600; font-size: .6rem; font-weight: 800; padding: 1px 6px; border-radius: 999px; margin-left: 8px; vertical-align: middle; }

/* useful links */
.side-links { display: grid; gap: 8px; }
.side-links a { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--r-s); background: var(--paper-soft); color: var(--ink); font-weight: 600; font-size: .88rem; transition: var(--tween); }
.side-links a i { color: var(--primary); width: 18px; text-align: center; }
.side-links a:hover { background: var(--secondary); color: var(--primary); transform: translateX(3px); }

/* visit counter (decorative) */
.visit-stats { display: grid; gap: 10px; }
.visit-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 12px; border-radius: var(--r-s); background: var(--paper-soft); }
.visit-row .vr-label { display: inline-flex; align-items: center; gap: 9px; font-size: .84rem; color: var(--ink-soft); font-weight: 600; }
.visit-row .vr-label i { color: var(--primary); }
.visit-row .vr-num { font-weight: 800; color: var(--primary-dark); font-variant-numeric: tabular-nums; letter-spacing: .5px; }
.visit-row.is-online .vr-num { color: var(--good); }

/* small contact card in sidebar */
.side-contact { display: grid; gap: 12px; }
.side-contact .sc-item { display: flex; gap: 11px; align-items: flex-start; font-size: .88rem; color: var(--ink-soft); }
.side-contact .sc-item i { color: var(--accent-dark); margin-top: 4px; flex: none; width: 16px; text-align: center; }

/* =====================================================
   QUICK LINKS (icon shortcuts) — used on home
   ===================================================== */
.quicklinks-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.ql-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-m); padding: 18px 12px; text-align: center;
  box-shadow: var(--sh-1); transition: var(--tween); display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.ql-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: transparent; }
.ql-card .ql-icon {
  width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; color: #fff; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 14px rgba(27,79,156,.28); transition: var(--tween);
}
.ql-card:nth-child(2) .ql-icon, .ql-card:nth-child(5) .ql-icon { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 6px 14px rgba(245,166,35,.3); }
.ql-card:hover .ql-icon { transform: scale(1.08) rotate(-4deg); }
.ql-card h3 { font-size: .9rem; color: var(--primary-dark); }

/* =====================================================
   PAGE HERO (subpages, compact)
   ===================================================== */
.page-hero { position: relative; color: #fff; padding: 54px 0; overflow: hidden; isolation: isolate; }
.page-hero .page-hero-bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; }
.page-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(120deg, rgba(14,44,92,.94), rgba(27,79,156,.78)); }
.page-hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(circle at 88% 20%, rgba(245,166,35,.22), transparent 45%); pointer-events: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
.page-hero p { color: #dce6f6; margin-top: 10px; max-width: 740px; }
.breadcrumb { font-size: .84rem; color: #c2d3ee; margin-bottom: 14px; }
.breadcrumb a { color: #c2d3ee; }
.breadcrumb a:hover { color: #fff; }

/* =====================================================
   GENERIC CONTENT (prose, cards, grids)
   ===================================================== */
.prose h2 { color: var(--primary-dark); font-size: 1.4rem; margin: 30px 0 12px; }
.prose h2:first-child, .prose h3:first-child { margin-top: 0; }
.prose h3 { color: var(--primary); font-size: 1.14rem; margin: 22px 0 9px; }
.prose p { color: var(--ink-soft); margin-bottom: 13px; }
.prose ul.bullets { margin: 0 0 14px 2px; display: grid; gap: 10px; }
.prose ul.bullets li { display: flex; gap: 10px; color: var(--ink); }
.prose ul.bullets li i { color: var(--accent-dark); margin-top: 6px; flex: none; }

.card { background: #fff; border-radius: var(--r-m); box-shadow: var(--sh-1); padding: 26px; border: 1px solid var(--line); transition: var(--tween); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* document/info row table (cong-khai, tai-lieu) */
.doc-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--r-m); overflow: hidden; box-shadow: var(--sh-1); border: 1px solid var(--line); }
.doc-table thead th { background: var(--primary); color: #fff; text-align: left; padding: 13px 16px; font-size: .84rem; text-transform: uppercase; letter-spacing: .4px; }
.doc-table tbody td { padding: 13px 16px; border-top: 1px solid var(--line); font-size: .92rem; color: var(--ink-soft); vertical-align: top; }
.doc-table tbody tr:hover { background: var(--paper-soft); }
.doc-table .dt-name { font-weight: 700; color: var(--primary-dark); }
.doc-table .dt-badge { display: inline-block; font-size: .68rem; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: var(--secondary); color: var(--primary-dark); }
.doc-table .dt-link { color: var(--accent-dark); font-weight: 700; white-space: nowrap; }

/* info box for founding subpage */
.info-box { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 24px 0; }
.info-box .info-item { background: var(--secondary); border-radius: var(--r-m); padding: 22px; border-left: 4px solid var(--primary); transition: var(--tween); }
.info-box .info-item:hover { transform: translateY(-4px); box-shadow: var(--sh-1); }
.info-box .info-item .ib-ic { font-size: 1.25rem; color: var(--accent-dark); margin-bottom: 9px; }
.info-box .info-item .label { font-size: .72rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 800; color: var(--ink-faint); }
.info-box .info-item .value { font-weight: 700; color: var(--primary-dark); font-size: 1.02rem; margin-top: 4px; }

/* PDF viewer */
.pdf-frame { width: 100%; height: 720px; border: 1px solid var(--line); border-radius: var(--r-m); box-shadow: var(--sh-1); background: #525659; }
.pdf-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0 8px; align-items: center; }
.pdf-fallback { font-size: .86rem; color: var(--ink-faint); }

/* value cards */
.value-card { text-align: center; padding: 28px 22px; }
.value-card .v-icon { width: 60px; height: 60px; margin: 0 auto 16px; border-radius: 16px; background: var(--secondary); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.35rem; transition: var(--tween); }
.value-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.value-card:hover .v-icon { background: var(--primary); color: #fff; transform: scale(1.05) rotate(-4deg); }
.value-card h3 { color: var(--primary-dark); font-size: 1.08rem; margin-bottom: 7px; }
.value-card p { color: var(--ink-soft); font-size: .9rem; }

/* leadership card */
.leader-card { display: flex; gap: 24px; align-items: center; background: #fff; border-radius: var(--r-l); box-shadow: var(--sh-2); border: 1px solid var(--line); border-left: 6px solid var(--accent); padding: 26px 30px; margin-bottom: 26px; }
.leader-photo { flex: none; }
.leader-photo img { width: 116px; height: 116px; border-radius: 50%; object-fit: cover; box-shadow: var(--sh-1); border: 4px solid var(--secondary); background: var(--secondary); }
.leader-info .leader-role { display: inline-block; font-size: .74rem; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 6px; }
.leader-info h3 { color: var(--primary-dark); font-size: 1.22rem; margin-bottom: 7px; }
.leader-info p { color: var(--ink-soft); font-size: .94rem; margin: 0; }

/* timeline */
.timeline { display: grid; gap: 0; margin-top: 8px; }
.timeline .tl-item { display: grid; grid-template-columns: 130px 1fr; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.timeline .tl-year { font-weight: 800; color: var(--accent-dark); font-size: 1.02rem; }
.timeline .tl-body h3 { color: var(--primary-dark); font-size: 1.05rem; }
.timeline .tl-body p { color: var(--ink-soft); font-size: .92rem; }

/* CTA band */
.cta-band { background: linear-gradient(120deg, var(--accent), var(--accent-dark)); color: #3a2600; text-align: center; position: relative; overflow: hidden; border-radius: var(--r-l); padding: 44px 26px; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 15% 20%, rgba(255,255,255,.22), transparent 40%); pointer-events: none; }
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: #3a2600; font-size: clamp(1.4rem, 2.8vw, 2rem); }
.cta-band p { max-width: 660px; margin: 12px auto 22px; color: #4a3100; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 34px; }
.contact-info .ci-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.contact-info .ci-icon { flex: none; width: 46px; height: 46px; border-radius: 13px; background: var(--secondary); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.contact-info .ci-item .label { font-size: .76rem; text-transform: uppercase; letter-spacing: 1px; color: var(--ink-faint); font-weight: 800; }
.contact-info .ci-item .value { font-weight: 600; color: var(--ink); }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 700; font-size: .88rem; margin-bottom: 7px; color: var(--ink); }
.form-control { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-s); font-family: inherit; font-size: .94rem; transition: var(--tween); background: var(--paper-soft); }
.form-control:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(27,79,156,.12); }
textarea.form-control { resize: vertical; min-height: 120px; }
.form-status { display: none; padding: 12px 15px; border-radius: var(--r-s); margin-top: 13px; font-weight: 700; }
.form-status.success { background: #e6f6ed; color: var(--good); border: 1px solid #b8e6c9; }

/* intro split */
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; }
.intro-text h2 { color: var(--primary-dark); font-size: clamp(1.4rem,2.4vw,1.8rem); margin-bottom: 14px; }
.intro-text .eyebrow { display: inline-block; color: var(--accent-dark); font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; font-size: .76rem; margin-bottom: 8px; }
.intro-text p { color: var(--ink-soft); margin-bottom: 13px; }
.intro-text .feature-list { display: grid; gap: 12px; margin-top: 18px; }
.intro-text .feature-list li { display: flex; gap: 11px; align-items: flex-start; color: var(--ink); }
.intro-text .feature-list i { color: var(--accent-dark); margin-top: 5px; flex: none; }
.intro-visual { position: relative; border-radius: var(--r-l); overflow: hidden; box-shadow: var(--sh-2); }
.intro-visual img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; display: block; }
.intro-visual .intro-badge { position: absolute; left: 18px; bottom: 18px; background: rgba(255,255,255,.95); color: var(--primary-dark); border-radius: var(--r-m); padding: 13px 18px; box-shadow: var(--sh-2); display: flex; align-items: center; gap: 12px; }
.intro-visual .intro-badge i { font-size: 1.55rem; color: var(--accent-dark); }
.intro-visual .intro-badge .ib-num { font-weight: 800; font-size: 1.2rem; color: var(--primary-dark); line-height: 1; }
.intro-visual .intro-badge .ib-label { font-size: .76rem; color: var(--ink-soft); }

/* stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: #fff; border-radius: var(--r-m); padding: 28px 20px; text-align: center; box-shadow: var(--sh-1); border-bottom: 4px solid var(--accent); transition: var(--tween); }
.stat-card:hover { transform: translateY(-5px); box-shadow: var(--sh-2); }
.stat-card .stat-icon { width: 50px; height: 50px; margin: 0 auto 12px; border-radius: 13px; background: var(--secondary); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; }
.stat-card .stat-number { font-size: 2.3rem; font-weight: 800; line-height: 1; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-card .stat-number .suffix { -webkit-text-fill-color: var(--accent-dark); color: var(--accent-dark); }
.stat-card .stat-label { color: var(--ink-soft); font-size: .9rem; margin-top: 9px; font-weight: 600; }

/* =====================================================
   ILLUSTRATION SYSTEM (SVG default, JPG upgrade in place)
   ===================================================== */
img.is-illustration { object-fit: cover; background: linear-gradient(160deg, var(--secondary), #f4f8fe); }
.news-thumb img.is-illustration,
.nr-thumb img.is-illustration,
.gallery-item img.is-illustration,
.intro-visual img.is-illustration { object-fit: cover; }
.hero-slide.is-illustration,
.page-hero-bg.is-illustration { background-color: var(--secondary); }

/* =====================================================
   LIGHTBOX
   ===================================================== */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(8,22,46,.92); display: flex; align-items: center; justify-content: center; padding: 30px; opacity: 0; visibility: hidden; transition: opacity .3s ease; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox-img { max-width: 90vw; max-height: 80vh; border-radius: var(--r-m); box-shadow: var(--sh-3); object-fit: contain; }
.lightbox-caption { position: absolute; bottom: 26px; left: 0; right: 0; text-align: center; color: #e4ecfa; font-size: .94rem; font-weight: 600; padding: 0 20px; }
.lightbox-close, .lightbox-prev, .lightbox-next { position: absolute; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.3); color: #fff; width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.15rem; display: flex; align-items: center; justify-content: center; transition: var(--tween); }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: var(--accent); color: #3a2600; border-color: var(--accent); }
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }

/* =====================================================
   6. FOOTER
   ===================================================== */
.site-footer { background: var(--primary-darker); color: #c5d3ea; padding: 56px 0 0; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary)); }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 38px; }
.footer-brand { display: flex; gap: 13px; align-items: flex-start; margin-bottom: 14px; }
.footer-brand img { width: 52px; height: 52px; }
.footer-brand .school-name { color: #fff; font-weight: 800; font-size: 1.04rem; }
.footer-brand .school-sub { font-size: .8rem; color: #93a7c9; }
.site-footer p { font-size: .9rem; color: #b3c3df; }
.footer-nonprofit { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; background: rgba(245,166,35,.16); color: var(--accent); padding: 7px 14px; border-radius: 999px; font-size: .8rem; font-weight: 800; }
.footer-col h4 { color: #fff; font-size: .98rem; margin-bottom: 16px; position: relative; padding-bottom: 9px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--accent); border-radius: 2px; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col a { color: #c5d3ea; font-size: .9rem; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 12px; font-size: .9rem; }
.footer-contact i { color: var(--accent); margin-top: 4px; flex: none; }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a { width: 38px; height: 38px; border-radius: 11px; background: rgba(255,255,255,.08); color: #c5d3ea; display: flex; align-items: center; justify-content: center; font-size: 1rem; }
.footer-social a:hover { background: var(--accent); color: #3a2600; transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 18px 0; text-align: center; font-size: .84rem; color: #93a7c9; }
.footer-bottom .responsible { margin-top: 4px; font-size: .8rem; }

/* =====================================================
   BACK TO TOP
   ===================================================== */
.back-to-top { position: fixed; right: 22px; bottom: 22px; width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; border: none; cursor: pointer; font-size: 1.05rem; box-shadow: var(--sh-2); opacity: 0; visibility: hidden; transform: translateY(14px); transition: var(--tween); z-index: 90; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--accent); color: #3a2600; transform: translateY(-3px); }

/* =====================================================
   SCROLL REVEAL
   ===================================================== */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide.active { animation: none; }
  html { scroll-behavior: auto; }
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
  .layout-side { position: static; grid-template-columns: repeat(2, 1fr); }
  .quicklinks-row { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1.2fr; }
  .footer-grid .footer-col:nth-child(3) { display: none; }
}
@media (max-width: 940px) {
  .feature-doc .doc-meta { grid-template-columns: 1fr; }
  .nonprofit-strip .np-points { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .info-box { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid.gallery-feature .gallery-item:nth-child(1),
  .gallery-grid.gallery-feature .gallery-item:nth-child(6) { grid-column: span 2; grid-row: span 1; aspect-ratio: 4/3; }
}
@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed; top: 0; right: 0; bottom: 0; width: min(330px, 88vw); background: #fff;
    box-shadow: var(--sh-3); transform: translateX(100%); transition: transform .35s ease;
    z-index: 110; overflow-y: auto; padding: 24px 14px 30px;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; align-items: stretch; }
  .main-nav > ul > li > a { padding: 13px 14px; border-radius: var(--r-s); font-size: 1rem; }
  .main-nav > ul > li > a::after { display: none; }
  .main-nav > ul > li.active > a { background: var(--secondary); }
  .main-nav .has-dropdown > a .caret { margin-left: auto; }
  .dropdown-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: none; border-left: 2px solid var(--secondary); margin: 2px 0 6px 14px; padding: 0; max-height: 0; overflow: hidden; transition: max-height .3s ease; min-width: 0; }
  .main-nav .has-dropdown.open .dropdown-menu { max-height: 480px; padding: 4px 0; }
  .nav-search { display: none; }
  .banner-aside { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 44px 0; }
  .news-grid { grid-template-columns: 1fr; }
  .news-row, .news-lead { grid-template-columns: 110px 1fr; }
  .news-lead h3 { font-size: 1.08rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .layout-side { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid .footer-col:nth-child(3) { display: block; }
  .quicklinks-row { grid-template-columns: repeat(2, 1fr); }
  .timeline .tl-item { grid-template-columns: 1fr; gap: 4px; }
  .top-bar .container { justify-content: center; text-align: center; }
  .pdf-frame { height: 520px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .lightbox-prev { left: 12px; } .lightbox-next { right: 12px; }
  .leader-card { flex-direction: column; text-align: center; padding: 24px 20px; }
  .banner-logo img { width: 60px; height: 60px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .quicklinks-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-grid .footer-col:nth-child(3) { display: block; }
  .hero .container { padding: 60px 18px 70px; }
  .feature-doc, .nonprofit-strip { padding: 22px 20px; }
  .card { padding: 22px; }
  .news-row, .news-lead { grid-template-columns: 1fr; }
  .news-row .nr-thumb { aspect-ratio: 16/9; }
  .news-row .nr-body { padding: 14px 16px 16px; }
}