/* ==========================================================
   Shree Vijayalakshmi Charitable Trust & VMHSS, Sirumugai
   ========================================================== */

:root {
  --navy: #16406b;         /* school crest blue */
  --navy-dark: #0e2a47;
  --gold: #f2a900;         /* marigold accent */
  --gold-dark: #c98a00;
  --gold-soft: #fff4d6;
  --cream: #fbf8f1;
  --line: #e7e2d6;
  --text: #4a5360;
  --heading: #13263d;
  --muted: #7b8492;
  --radius: 14px;
  --shadow: 0 14px 34px rgba(14, 42, 71, .1);
  --font-head: 'Merriweather', Georgia, 'Times New Roman', serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Nunito Sans', Arial, Helvetica, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color .2s, background-color .2s, border-color .2s; }
a:hover { color: var(--gold-dark); }

h1, h2, h3 { margin: 0 0 .5em; font-family: var(--font-head); font-weight: 700; line-height: 1.3; color: var(--heading); }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 900px; }

.icon { width: 1em; height: 1em; fill: currentColor; flex: none; }

.skip-link { position: absolute; left: 12px; top: -60px; z-index: 300; padding: 8px 14px; background: var(--gold); color: var(--heading); }
.skip-link:focus { top: 12px; }

[id] { scroll-margin-top: 96px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: 2px solid transparent;
  border-radius: 40px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
}
.btn .icon { width: 18px; height: 18px; }
.btn-sm { padding: 8px 18px; font-size: 15px; }
.btn-gold { background: var(--gold); color: var(--heading); }
.btn-gold:hover { background: var(--navy); color: #fff; }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--gold); color: var(--heading); }
.btn-outline-navy { border-color: var(--navy); color: var(--navy); }
.btn-outline-navy:hover { background: var(--navy); color: #fff; }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-dark); color: #c6d3e2; font-size: 14px; }
.topbar-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 24px; min-height: 40px; padding-block: 6px; }
.topbar p { margin: 0; }
.topbar ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 22px; }
.topbar li { display: flex; align-items: center; gap: 7px; }
.topbar .icon { color: var(--gold); }
.topbar a { color: #fff; }
.topbar a:hover { color: var(--gold); }

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.site-header.is-scrolled { box-shadow: 0 6px 20px rgba(14, 42, 71, .1); }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 84px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--heading); }
.brand img { width: 60px; height: 60px; border-radius: 50%; border: 3px solid var(--gold); }
.brand > span { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-head); font-size: 23px; color: var(--navy); }
.brand-tag { margin-top: 4px; font-size: 12px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); }
.brand-light .brand-name { color: #fff; }
.brand-light .brand-tag { color: #9fb2c8; }

.main-nav { display: flex; align-items: center; gap: 18px; }
.main-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 2px; }
.main-nav li { position: relative; }
.main-nav > ul > li > a { display: flex; align-items: center; gap: 2px; padding: 8px 13px; border-radius: 30px; font-size: 16px; font-weight: 700; color: var(--heading); }
.main-nav > ul > li > a:hover { color: var(--navy); background: var(--cream); }
.main-nav > ul > li.is-current > a { color: var(--navy); background: var(--gold-soft); }
.caret { width: 18px; height: 18px; fill: currentColor; }

.submenu {
  list-style: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 210px;
  margin: 0;
  padding: 10px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s, transform .2s, visibility .2s;
}
.submenu::before { content: ""; position: absolute; left: 0; right: 0; top: -12px; height: 12px; }
.has-sub:hover .submenu,
.has-sub:focus-within .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 15px; font-weight: 600; color: var(--heading); }
.submenu a:hover,
.submenu a[aria-current="page"] { background: var(--gold-soft); color: var(--navy); }

.nav-toggle { display: none; padding: 8px; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2px; margin: 6px 0; background: var(--heading); transition: transform .25s, opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; background: var(--cream); }
.slider { position: relative; aspect-ratio: 1421 / 428; min-height: 240px; max-height: 560px; width: 100%; overflow: hidden; background: var(--navy-dark); }
.slide { position: absolute; inset: 0; margin: 0; opacity: 0; transition: opacity 1s ease; }
.slide.is-active { opacity: 1; }
.slide img { width: 100%; height: 100%; object-fit: cover; }
.slider-dots { position: absolute; left: 0; right: 0; bottom: 70px; z-index: 2; display: flex; justify-content: center; gap: 8px; }
.slider-dots button { width: 11px; height: 11px; padding: 0; border: 2px solid #fff; border-radius: 50%; background: rgba(255, 255, 255, .35); cursor: pointer; }
.slider-dots button.is-active { background: var(--gold); border-color: var(--gold); }

.intro-card {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin: -54px auto 0;
  padding: 40px 48px;
  background: #fff;
  border-top: 5px solid var(--gold);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}
.intro-card h1 { margin: 0 0 14px; font-size: clamp(28px, 4vw, 44px); }
.intro-card .lead { max-width: 720px; margin: 0 auto 26px; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

/* ---------- Stats ---------- */
.stats-wrap { padding-block: 44px 0; background: var(--cream); }
.stats { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.stats li { padding: 22px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-align: center; }
.stats strong { display: block; font-family: var(--font-head); font-size: 32px; line-height: 1.2; color: var(--navy); }
.stats span { font-size: 15px; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding-block: 84px; }
.stats-wrap + .section { background: linear-gradient(var(--cream) 0 90px, #fff 90px); }
.section-cream { background: var(--cream); }
.section-navy { background: var(--navy) radial-gradient(circle at 90% 10%, rgba(242, 169, 0, .18), transparent 40%); color: #d3dfec; }
.section-navy h2 { color: #fff; }

.eyebrow { display: inline-block; margin-bottom: 10px; font-size: 14px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold-dark); }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2 { margin: 0; font-size: clamp(26px, 3.4vw, 38px); }
.section-head h2::after { content: ""; display: block; width: 56px; height: 4px; margin-top: 16px; border-radius: 4px; background: var(--gold); }
.section-head .lead { margin: 16px 0 0; font-size: 18px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center h2::after { margin-inline: auto; }
.split .section-head,
.prose .section-head { margin-bottom: 22px; }

.head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 30px; margin-bottom: 36px; }
.head-row .section-head { margin-bottom: 0; }

.split { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: center; }
.split-top { align-items: start; }

.tag { display: inline-block; margin-bottom: 10px; padding: 3px 12px; border-radius: 30px; background: var(--gold-soft); font-size: 13px; font-weight: 800; color: var(--gold-dark); }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; color: var(--navy); }
.card-link .icon { transition: transform .2s; }
.card-link:hover .icon { transform: translateX(4px); }
.center-actions { margin-top: 30px; text-align: center; }

/* ---------- Pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.pillar { display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.pillar img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.pillar-body { display: flex; flex-direction: column; flex: 1; padding: 28px 30px 30px; }
.pillar-body h3 { font-size: 22px; }
.pillar-body p { flex: 1; }

/* ---------- Mission / vision ---------- */
.mv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.mv-card { padding: 34px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--radius); }
.mv-card h2 { font-size: 26px; }
.mv-card p { margin: 0; font-size: 18px; }
.mv-card strong { color: var(--gold); }
.mv-icon { display: grid; place-items: center; width: 56px; height: 56px; margin-bottom: 18px; border-radius: 50%; background: var(--gold); }
.mv-icon svg { width: 28px; height: 28px; fill: var(--navy-dark); }

/* ---------- Messages ---------- */
.message-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.message-card { display: flex; flex-direction: column; padding: 32px; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.message-card.is-full { padding: 40px; }
.message-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.message-head h3 { margin: 0; font-size: 20px; }
.message-head span { font-size: 15px; font-weight: 700; color: var(--gold-dark); }
.person { width: 72px; height: 72px; flex: none; border-radius: 50%; object-fit: cover; object-position: top; border: 3px solid var(--gold-soft); }
.person-initial { display: grid; place-items: center; background: var(--navy); }
.person-initial svg { width: 30px; height: 30px; fill: var(--gold); }
.message-body { flex: 1; }
.message-body p:last-child { margin-bottom: 14px; }
.message-card.is-full .message-body p:last-child { margin-bottom: 0; }

/* ---------- Facilities ---------- */
.facility-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.facility { padding: 30px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: box-shadow .25s, transform .25s; }
.facility:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.facility img { width: 84px; height: 84px; margin-bottom: 16px; border-radius: 50%; object-fit: cover; border: 4px solid var(--gold-soft); }
.facility h3 { font-size: 20px; }
.facility p { margin: 0; font-size: 16px; }

/* ---------- Thumbnails / photos ---------- */
.thumb-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.thumb-grid a { display: block; overflow: hidden; border-radius: 10px; background: var(--line); }
.thumb-grid img { width: 100%; aspect-ratio: 5 / 3; object-fit: cover; transition: transform .5s; }
.thumb-grid a:hover img { transform: scale(1.05); }

.photo-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.photo-pair { display: grid; gap: 18px; }
.photo-grid figure,
.photo-pair figure { margin: 0; }
.photo-grid a,
.photo-pair a { display: block; overflow: hidden; border-radius: var(--radius); }
.photo-grid img,
.photo-pair img { width: 100%; aspect-ratio: 2.4 / 1; object-fit: cover; transition: transform .5s; }
.photo-grid a:hover img,
.photo-pair a:hover img { transform: scale(1.04); }

/* ---------- Page hero ---------- */
.page-hero {
  padding-block: 70px 64px;
  background: linear-gradient(90deg, rgba(14, 42, 71, .95) 0%, rgba(22, 64, 107, .86) 60%, rgba(22, 64, 107, .6) 100%), url('../images/campus/gate.jpg') center 40% / cover;
  color: #d3dfec;
}
.page-hero h1 { max-width: 860px; margin: 0 0 12px; font-size: clamp(28px, 4.4vw, 46px); color: #fff; }
.page-hero p { max-width: 700px; margin: 0; font-size: 18px; }
.breadcrumb ol { list-style: none; margin: 0 0 14px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; font-size: 15px; }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: #7f97b2; }
.breadcrumb a { color: #fff; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb [aria-current] { color: var(--gold); }

/* ---------- About ---------- */
.memorial { margin: 0; padding: 18px; justify-self: center; width: min(100%, 360px); background: var(--gold-soft); border-radius: var(--radius); text-align: center; }
.memorial img { width: 100%; border-radius: 10px; }
.memorial figcaption { margin-top: 12px; font-family: var(--font-head); color: var(--heading); }

.timeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.timeline li { position: relative; padding: 26px 24px; background: var(--cream); border-radius: var(--radius); border-top: 4px solid var(--navy); }
.timeline .year { display: inline-block; margin-bottom: 10px; padding: 2px 14px; border-radius: 30px; background: var(--navy); font-weight: 800; color: #fff; }
.timeline h3 { font-size: 19px; }
.timeline p { margin: 0; font-size: 16px; }

.pull-quote { margin: 24px 0 0; padding: 20px 24px; background: var(--cream); border-left: 5px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; font-family: var(--font-head); font-size: 19px; line-height: 1.5; color: var(--heading); }

/* ---------- Trust work / info cards ---------- */
.work-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; }
.work-card,
.info-card { padding: 30px 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.work-card h3,
.info-card h3 { font-size: 20px; }
.work-icon { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 16px; border-radius: 14px; background: var(--navy); }
.work-icon svg { width: 26px; height: 26px; fill: var(--gold); }
.ticks { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ticks li { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; }
.ticks .icon { width: 22px; height: 22px; padding: 4px; margin-top: 2px; border-radius: 50%; background: var(--gold-soft); fill: var(--gold-dark); }
.ticks.big { max-width: 860px; gap: 14px; }
.ticks.big li { padding: 16px 20px; background: #fff; border-radius: 12px; font-size: 17px; }

.info-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; align-items: start; }
.info-card p:last-child { margin-bottom: 0; }
.info-card.is-gold { background: var(--gold-soft); border-color: #f3dfa3; }
.info-card.is-gold .ticks { margin-bottom: 20px; }
.info-card.is-gold .ticks .icon { background: #fff; }

.activity-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.activity { padding: 24px 26px; background: #fff; border-left: 4px solid var(--gold); border-radius: 0 var(--radius) var(--radius) 0; }
.activity h3 { font-size: 18px; }
.activity p { margin: 0; font-size: 16px; }

/* ---------- Achievements ---------- */
.result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 26px; align-items: start; }
.result-card { padding: 30px 28px; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--gold); border-radius: var(--radius); }
.result-card h3 { font-size: 20px; }
.result-card ol { list-style: none; margin: 0 0 18px; padding: 0; counter-reset: r; }
.result-card li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); counter-increment: r; }
.result-card li span::before { content: counter(r) ". "; color: var(--muted); }
.result-card li strong { color: var(--navy); white-space: nowrap; }
.result-card.is-navy { background: var(--navy); border-color: var(--navy); border-top-color: var(--gold); color: #d3dfec; }
.result-card.is-navy h3 { color: #fff; }
.result-card.is-navy .work-icon { background: var(--gold); }
.result-card.is-navy .work-icon svg { fill: var(--navy-dark); }

/* ---------- Gallery ---------- */
.album-nav { position: sticky; top: 84px; z-index: 5; display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; padding: 12px 0; background: #fff; }
.album-nav a { padding: 7px 16px; border: 1px solid var(--line); border-radius: 30px; font-size: 15px; font-weight: 700; color: var(--heading); background: var(--cream); }
.album-nav a:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.album-group { padding-top: 36px; }
.album-group > h2 { margin-bottom: 8px; font-size: clamp(24px, 3vw, 32px); }
.album-group > h2::after { content: ""; display: block; width: 56px; height: 4px; margin-top: 12px; border-radius: 4px; background: var(--gold); }
.album { padding-top: 22px; }
.album h3 { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; font-size: 19px; }
.album h3 span { font-family: 'Nunito Sans', Arial, sans-serif; font-size: 14px; font-weight: 700; color: var(--muted); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.contact-card { display: flex; flex-direction: column; padding: 32px; background: #fff; border: 1px solid var(--line); border-top: 5px solid var(--navy); border-radius: var(--radius); }
.contact-card.is-school { border-top-color: var(--gold); }
.contact-card h2 { font-size: 23px; }
.contact-card address { margin-bottom: 14px; font-style: normal; }
.contact-lines { list-style: none; margin: 0 0 22px; padding: 0; display: grid; gap: 8px; }
.contact-lines li { display: flex; gap: 10px; align-items: center; }
.contact-lines .icon { color: var(--gold-dark); }
.contact-lines a { font-weight: 700; color: var(--heading); }
.contact-lines a:hover { color: var(--navy); }
.map { margin-top: auto; overflow: hidden; border-radius: 12px; }
.map iframe { display: block; width: 100%; height: 280px; border: 0; }

.admission-box { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 40px; margin-top: 28px; padding: 30px 34px; background: var(--gold-soft); border-radius: var(--radius); }
.admission-box h2 { margin-bottom: 6px; font-size: 24px; }
.admission-box p { max-width: 640px; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band { padding-block: 56px; background: var(--gold) radial-gradient(circle at 10% 120%, rgba(255, 255, 255, .35), transparent 45%); color: var(--heading); }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px 40px; }
.cta-band h2 { margin-bottom: 6px; font-size: clamp(24px, 3vw, 32px); }
.cta-band p { max-width: 640px; margin: 0; font-weight: 600; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-band .btn-navy:hover { background: #fff; color: var(--navy); }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-dark); color: #a9bbcf; font-size: 15px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 40px; padding-block: 64px 48px; }
.footer-grid > div { min-width: 0; }
.site-footer h2 { margin-bottom: 16px; font-size: 18px; color: #fff; }
.site-footer .brand { margin-bottom: 16px; }
.footer-note a { color: var(--gold); }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-links a { color: #d6e0eb; }
.footer-links a:hover { color: var(--gold); }
.footer-links strong { color: #fff; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .icon { margin-top: 5px; color: var(--gold); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .1); font-size: 14px; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 20px; padding-block: 18px; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: #fff; }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- Back to top ---------- */
.go-top { position: fixed; right: 20px; bottom: 20px; z-index: 200; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--navy); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s, background-color .2s; }
.go-top.is-visible { opacity: 1; visibility: visible; }
.go-top:hover { background: var(--gold); }
.go-top svg { width: 28px; height: 28px; fill: #fff; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 400; display: flex; align-items: center; justify-content: center; padding: 60px 70px; background: rgba(8, 22, 38, .92); }
.lightbox[hidden],
.lb-btn[hidden] { display: none; }
.lightbox figure { margin: 0; max-width: 100%; max-height: 100%; text-align: center; }
.lightbox img { max-width: 100%; max-height: calc(100vh - 150px); margin: 0 auto; border-radius: 6px; }
.lightbox figcaption { margin-top: 12px; color: #dfe7f0; font-size: 15px; }
.lb-btn { position: absolute; display: grid; place-items: center; width: 46px; height: 46px; padding: 0; border: 0; border-radius: 50%; background: rgba(255, 255, 255, .14); cursor: pointer; }
.lb-btn:hover { background: var(--gold); }
.lb-btn svg { width: 26px; height: 26px; fill: #fff; }
.lb-close { top: 16px; right: 16px; }
.lb-prev { left: 14px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 14px; top: 50%; transform: translateY(-50%); }
body.lb-open { overflow: hidden; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 12px 20px rgba(14, 42, 71, .12);
    transition: max-height .35s ease;
  }
  .main-nav.is-open { max-height: calc(100vh - 84px); overflow-y: auto; }
  .main-nav > ul { flex-direction: column; gap: 0; padding: 0 20px; }
  .main-nav > ul > li > a { padding: 12px 4px; border-top: 1px solid var(--line); border-radius: 0; }
  .main-nav > ul > li > a:hover,
  .main-nav > ul > li.is-current > a { background: none; color: var(--gold-dark); }
  .caret { display: none; }
  .submenu { position: static; min-width: 0; padding: 0 0 8px 14px; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .submenu::before { display: none; }
  .submenu a { padding: 6px 4px; }
  .header-cta { margin: 10px 20px 20px; }
  .album-nav { top: 84px; }

  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-grid,
  .facility-grid,
  .activity-grid,
  .info-grid,
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .section { padding-block: 64px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split,
  .pillars,
  .mv-grid,
  .message-grid,
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .thumb-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  .topbar p { display: none; }
  .topbar-row { justify-content: center; }
  .header-row { min-height: 72px; }
  .brand img { width: 50px; height: 50px; }
  .brand-name { font-size: 20px; }
  .brand-tag { font-size: 10px; }
  .main-nav.is-open { max-height: calc(100vh - 72px); }
  .album-nav { position: static; }

  .slider { min-height: 200px; }
  .slider-dots { bottom: 46px; }
  .intro-card { margin-top: -30px; padding: 28px 22px; }
  .intro-card .lead { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .stats-wrap { padding-top: 30px; }
  .stats { gap: 12px; }
  .stats li { padding: 16px 10px; }
  .stats strong { font-size: 26px; }
  .stats span { font-size: 14px; }

  .section { padding-block: 52px; }
  .work-grid,
  .facility-grid,
  .activity-grid,
  .info-grid,
  .result-grid,
  .timeline,
  .photo-grid { grid-template-columns: minmax(0, 1fr); }
  .thumb-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .mv-card,
  .message-card,
  .message-card.is-full,
  .contact-card,
  .admission-box { padding: 24px 22px; }
  .map iframe { height: 240px; }
  .cta-actions,
  .cta-actions .btn,
  .admission-box .btn { width: 100%; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; padding-block: 48px 36px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .lightbox { padding: 60px 12px; }
  .go-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .slide,
  .thumb-grid img,
  .photo-grid img,
  .photo-pair img { transition: none; }
}