@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');
/* ==========================================================================
   XYZ frontend — "Modern Navy" theme (backend admin-theme.css এর সাথে মিল)
   নেভি + সায়ান + ইন্ডিগো, কার্ডে 3D tilt, scroll-reveal অ্যানিমেশন, glass header।
   শুধু public/index.html এ লোড হয় (admin এ নয়)। ফন্ট সাইজ সেটিংস অপরিবর্তিত।
   JS: assets/js/frontend-theme.js
   ========================================================================== */

:root {
  --fx-side:   #1a2b45;
  --fx-deep:   #0f1d33;
  --fx-top:    #14233b;
  --fx-accent: #00a8ff;
  --fx-primary:#4a3fd6;
  --fx-primary-dark:#3a31b3;
  --fx-soft:   #eceafe;
  --fx-page:   #f4f6fc;
  --fx-border: #e4e8f2;
  --fx-ink:    #1e2638;
  --fx-muted:  #7a8499;
  --fx-ease:   cubic-bezier(.22, .8, .24, 1);

  /* পুরনো টোকেন -> নতুন রঙ (সবুজ/গোল্ড বদলে ইন্ডিগো/সায়ান) */
  --navy-950: #0f1d33; --navy-900: #14233b; --navy-800: #1a2b45; --navy-700: #223a5e; --navy-600: #2d4a76; --navy-500: #3d5f94;
  --gold-700: #3a31b3; --gold-600: #4a3fd6; --gold-500: #4a3fd6; --gold-400: #00a8ff; --gold-100: #eceafe;
  --pos-primary: #4a3fd6; --pos-primary-dark: #3a31b3; --pos-primary-soft: #eceafe;
  --bg: var(--fx-page); --card: #fff; --ink: var(--fx-ink); --muted: var(--fx-muted); --line: var(--fx-border);
  --ok: #198754; --radius: 12px;
}
/* ফ্রন্টএন্ড সবসময় লাইট ডিজাইন */
:root[data-theme="dark"], :root:not([data-theme="light"]) {
  --bg: var(--fx-page); --card: #fff; --ink: var(--fx-ink); --muted: var(--fx-muted); --line: var(--fx-border);
}

body {
  font-family: 'Poppins', var(--font-body), system-ui, sans-serif;
  background:
    radial-gradient(900px 500px at 8% -5%, rgba(0, 168, 255, .10), transparent 60%),
    radial-gradient(800px 480px at 100% 12%, rgba(74, 63, 214, .09), transparent 60%),
    var(--fx-page);
  background-attachment: fixed;
  color: var(--fx-ink);
  overflow-x: hidden;
}
h1, h2, h3, h4, .font-head { font-family: 'Poppins', var(--font-head), system-ui, sans-serif; font-weight: 600; letter-spacing: -.1px; }
::selection { background: var(--fx-accent); color: #fff; }

/* ---------- scroll progress bar ---------- */
.fx-progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 300; transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--fx-accent), var(--fx-primary)); box-shadow: 0 0 10px rgba(0, 168, 255, .6); pointer-events: none; }

/* ---------- top notice strips ---------- */
.topbar .update, .topbar .codes { background: linear-gradient(90deg, var(--fx-deep), var(--fx-side)); border-radius: 8px; box-shadow: 0 4px 14px rgba(15, 29, 51, .18); }
.topbar .update b { background: linear-gradient(135deg, var(--fx-accent), #1a8cff); }
.topbar .ticker-item::before { background: var(--fx-accent); box-shadow: 0 0 0 3px rgba(0, 168, 255, .25); animation: fx-pulse 1.8s infinite; }
.topbar .ticker-item:hover, .topbar .update-more { color: #5cc8ff; }
.topbar .codes b { color: #5cc8ff; }
@keyframes fx-pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(0, 168, 255, .55); } 50% { box-shadow: 0 0 0 6px rgba(0, 168, 255, 0); } }

/* ---------- glass sticky header ---------- */
.site-header { background: rgba(255, 255, 255, .82); -webkit-backdrop-filter: blur(14px) saturate(1.4); backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--fx-border); box-shadow: 0 1px 0 rgba(255, 255, 255, .6) inset; transition: box-shadow .3s, background .3s; }
.site-header::after { content: ''; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--fx-accent), var(--fx-primary), transparent); opacity: .85; }
.site-header.is-stuck { background: rgba(255, 255, 255, .94); box-shadow: 0 8px 28px rgba(15, 29, 51, .12); }
.site-header .wrap { transition: padding .3s var(--fx-ease); }
.site-header.is-stuck .wrap { padding-top: 4px; padding-bottom: 4px; }
.brand-mark { background: linear-gradient(135deg, var(--fx-accent), var(--fx-primary)); box-shadow: 0 0 0 3px #fff, 0 4px 14px rgba(74, 63, 214, .35); transition: transform .5s var(--fx-ease); }
.brand:hover .brand-mark { transform: rotate(360deg) scale(1.06); }
.brand-text .name { color: var(--fx-side); }

nav.mainnav a.nav-link, nav.mainnav button.nav-link { position: relative; color: var(--fx-side); border-radius: 8px; transition: color .2s, background .2s; }
nav.mainnav a.nav-link::after, nav.mainnav button.nav-link::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--fx-accent), var(--fx-primary));
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--fx-ease); }
nav.mainnav a.nav-link:hover, nav.mainnav button.nav-link:hover, nav.mainnav li.active > a.nav-link, nav.mainnav li.active > button.nav-link { color: var(--fx-primary); background: var(--fx-soft); }
nav.mainnav a.nav-link:hover::after, nav.mainnav button.nav-link:hover::after, nav.mainnav li.active > a.nav-link::after, nav.mainnav li.active > button.nav-link::after { transform: scaleX(1); }
nav.mainnav li { perspective: 700px; }
.dropdown { display: block; opacity: 0; visibility: hidden; transform: translateY(10px) rotateX(-14deg); transform-origin: top center; pointer-events: none;
  transition: opacity .22s, transform .28s var(--fx-ease), visibility .22s; border: 1px solid var(--fx-border); border-top: 3px solid var(--fx-accent);
  border-radius: 0 0 12px 12px; box-shadow: 0 18px 40px rgba(15, 29, 51, .2); padding: 6px; background: #fff; }
nav.mainnav li:hover .dropdown, nav.mainnav li.open .dropdown, nav.mainnav li:focus-within .dropdown { opacity: 1; visibility: visible; transform: none; pointer-events: auto; }
.dropdown a { border-radius: 8px; color: var(--fx-ink); transition: background .15s, color .15s, padding-left .2s var(--fx-ease); }
.dropdown a:hover { background: linear-gradient(90deg, var(--fx-side), var(--fx-deep)); color: #fff; padding-left: 16px; }

/* ---------- buttons ---------- */
.btn { position: relative; overflow: hidden; border-radius: 8px; font-weight: 600; transition: transform .2s var(--fx-ease), box-shadow .2s, background .2s, border-color .2s, color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-gold, .btn-navy, .btn-primary { background: linear-gradient(135deg, var(--fx-primary), #5b4ef0); color: #fff; box-shadow: 0 6px 16px rgba(74, 63, 214, .3); }
.btn-gold:hover, .btn-navy:hover, .btn-primary:hover { background: linear-gradient(135deg, var(--fx-primary-dark), var(--fx-primary)); box-shadow: 0 10px 24px rgba(74, 63, 214, .4); color: #fff; }
.btn-outline { background: #fff; border: 1px solid #d9deea; color: var(--fx-ink); }
.btn-outline:hover { border-color: var(--fx-primary); color: var(--fx-primary); background: var(--fx-soft); }
.fx-ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .5); transform: scale(0); animation: fx-ripple .6s ease-out; pointer-events: none; }
@keyframes fx-ripple { to { transform: scale(3.2); opacity: 0; } }

/* ---------- hero (3D) ---------- */
.hero { border-radius: 18px; box-shadow: 0 30px 60px -20px rgba(15, 29, 51, .5), 0 0 0 1px rgba(255, 255, 255, .6) inset; transform-style: preserve-3d; transition: transform .25s ease-out, box-shadow .3s;
  will-change: transform; background: var(--fx-deep); }
.hero::before { content: ''; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, rgba(15, 29, 51, 0) 55%, rgba(15, 29, 51, .55)), radial-gradient(500px 260px at var(--mx, 80%) var(--my, 0%), rgba(0, 168, 255, .22), transparent 70%); }
.hero-slide img { transition: transform 6s ease-out; transform: scale(1.04); }
.hero-slide:hover img { transform: scale(1.1); }
.hero-nav { background: rgba(255, 255, 255, .16); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border: 1px solid rgba(255, 255, 255, .35); z-index: 3; transition: background .2s, transform .2s; }
.hero-nav:hover { background: var(--fx-accent); transform: translateY(-50%) scale(1.1); }
.hero-dots { z-index: 3; }
.hero-dots button.active { background: var(--fx-accent); box-shadow: 0 0 12px var(--fx-accent); }

/* ---------- sections ---------- */
.section { padding: 40px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, #fff, #f8f9fe); border-top: 1px solid var(--fx-border); border-bottom: 1px solid var(--fx-border); position: relative; overflow: hidden; }
.section-alt::before { content: ''; position: absolute; width: 380px; height: 380px; right: -120px; top: -140px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 168, 255, .12), transparent 70%); pointer-events: none; animation: fx-float 9s ease-in-out infinite; }
.section-alt::after { content: ''; position: absolute; width: 300px; height: 300px; left: -100px; bottom: -120px; border-radius: 50%;
  background: radial-gradient(circle, rgba(74, 63, 214, .10), transparent 70%); pointer-events: none; animation: fx-float 11s ease-in-out infinite reverse; }
.section-alt > .wrap { position: relative; z-index: 1; }
@keyframes fx-float { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-24px, 18px); } }

.section-head { margin-bottom: 20px; }
.section-head h2 { border-left: 0; padding-left: 0; position: relative; color: var(--fx-side); font-weight: 700; padding-bottom: 8px; }
.section-head h2::after { content: ''; position: absolute; left: 0; bottom: 0; width: 46px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--fx-accent), var(--fx-primary)); transition: width .5s var(--fx-ease); }
.section-head:hover h2::after, .fx-in .section-head h2::after { width: 84px; }
.section-head .more { color: var(--fx-primary); font-weight: 600; padding: 6px 12px; border-radius: 20px; background: var(--fx-soft); transition: background .2s, color .2s, transform .2s; }
.section-head .more:hover { background: var(--fx-primary); color: #fff; transform: translateX(3px); }
.section-head .more .icon { transition: transform .25s; }
.section-head .more:hover .icon { transform: translateX(3px); }

/* ---------- cards: 3D lift + tilt ---------- */
.card, .notice-box, .person-card-h, .gallery-tile, .blog-card, .stat-chip {
  border: 1px solid var(--fx-border); border-radius: 14px; background: #fff; box-shadow: 0 2px 8px rgba(26, 43, 69, .05);
  transition: transform .35s var(--fx-ease), box-shadow .35s, border-color .25s;
}
.fx-tilt { transform-style: preserve-3d; will-change: transform; transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)) translateZ(0); }
.fx-tilt.fx-hover { transition: transform .08s linear, box-shadow .3s, border-color .25s; box-shadow: 0 24px 44px -14px rgba(26, 43, 69, .28); border-color: rgba(74, 63, 214, .35); }
.fx-tilt::after { content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(260px 200px at var(--gx, 50%) var(--gy, 0%), rgba(255, 255, 255, .55), transparent 65%); mix-blend-mode: soft-light; }
.fx-tilt.fx-hover::after { opacity: 1; }
.card, .gallery-tile, .blog-card, .person-card-h, .notice-box { position: relative; }
.card.card-pad:not(.fx-tilt):hover, .blog-card:not(.fx-tilt):hover, .person-card-h:not(.fx-tilt):hover { transform: translateY(-4px); box-shadow: 0 16px 34px -12px rgba(26, 43, 69, .22); border-color: rgba(74, 63, 214, .35); }

.notice-box { overflow: hidden; }
.notice-box .head { background: linear-gradient(135deg, var(--fx-deep), var(--fx-side)); border-radius: 0; padding: 12px 14px; }
.notice-box .head h3 .icon { color: var(--fx-accent); animation: fx-ring 3.2s ease-in-out infinite; transform-origin: 50% 0; }
@keyframes fx-ring { 0%, 70%, 100% { transform: rotate(0); } 75% { transform: rotate(14deg); } 80% { transform: rotate(-12deg); } 85% { transform: rotate(8deg); } 90% { transform: rotate(-5deg); } }
.notice-box .head a { color: #5cc8ff !important; }
.notice-list li { transition: background .2s, padding-left .25s var(--fx-ease); }
.notice-list li:hover { background: var(--fx-soft); padding-left: 18px; }
.notice-list a.title:hover, .notice-list .go { color: var(--fx-primary); }
.readmore { color: var(--fx-primary); transition: gap .2s, color .2s; }
.readmore:hover { gap: 9px; color: var(--fx-primary-dark); }

/* people */
.person-card-h { overflow: hidden; }
.person-card-h .ph-side { overflow: hidden; }
.person-card-h .ph-fill { transition: transform .6s var(--fx-ease); }
.person-card-h:hover .ph-fill { transform: scale(1.1) rotate(1deg); }
.person-card-h .p-name { color: var(--fx-side); }
.person-card-h .p-role, .person-card-h .p-more { color: var(--fx-primary); }
.person-card-h .p-ic { background: var(--fx-soft); color: var(--fx-primary); transition: background .2s, color .2s, transform .25s var(--fx-ease); }
.person-card-h .p-ic:hover { background: var(--fx-primary); color: #fff; transform: translateY(-3px) scale(1.12); }
.person-card-h .p-meta-line .icon { color: var(--fx-accent); }
.person-card-h:hover { border-color: rgba(74, 63, 214, .4); }

/* gallery */
.gallery-tile { overflow: hidden; }
.gallery-tile .tile-img { transition: transform .8s var(--fx-ease); }
.gallery-tile:hover .tile-img { transform: scale(1.12); }
.gallery-tile::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(135deg, rgba(0, 168, 255, .0), rgba(74, 63, 214, .35)); opacity: 0; transition: opacity .35s; pointer-events: none; }
.gallery-tile:hover::before { opacity: 1; }
.gallery-tile .g-icon { background: rgba(15, 29, 51, .6); color: var(--fx-accent); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.g-badge { background: linear-gradient(135deg, var(--fx-accent), var(--fx-primary)); }
.gallery-tile .g-cap { background: linear-gradient(0deg, rgba(15, 29, 51, .92), transparent); transition: padding-bottom .3s var(--fx-ease); }
.gallery-tile:hover .g-cap { padding-bottom: 16px; }

/* blog */
.blog-thumb { overflow: hidden; }
.blog-thumb img { transition: transform .8s var(--fx-ease); }
.blog-card:hover .blog-thumb img { transform: scale(1.1); }
.blog-title { color: var(--fx-side); transition: color .2s; }
.blog-card:hover .blog-title { color: var(--fx-primary); }

/* director / about */
.director { border-radius: 16px; }
.director-name { color: var(--fx-side); }
.sub-two h4 { color: var(--fx-primary); }
.sub-two ul li::before { background: var(--fx-accent); box-shadow: 0 0 0 3px rgba(0, 168, 255, .18); }

/* stats */
.stat-chip { border-radius: 16px; background: linear-gradient(160deg, #fff, #f3f5ff); }
.stat-chip b { background: linear-gradient(135deg, var(--fx-primary), var(--fx-accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* tables */
.table-wrap { border-radius: 14px; border-color: var(--fx-border); box-shadow: 0 2px 8px rgba(26, 43, 69, .05); background: #fff; }
table.data th { background: #e9edfc; color: #2f3a8f; text-transform: uppercase; letter-spacing: .4px; font-weight: 700; }
table.data tr:nth-child(even) { background: #fafbff; }
table.data tbody tr { transition: background .2s; }
table.data tbody tr:hover { background: #f1f3ff; }
.pill-ok { background: #e3f5ea; color: var(--ok); }
.pill-warn { background: var(--fx-soft); color: var(--fx-primary); }

/* forms */
.field input, .field select, .field textarea, .filters select, .filters input { border: 1px solid #d9deea; border-radius: 8px; background: #fff; transition: border-color .2s, box-shadow .2s, transform .2s; }
.field input:focus, .field select:focus, .field textarea:focus, .filters select:focus, .filters input:focus { outline: 0; border-color: var(--fx-primary); box-shadow: 0 0 0 4px rgba(74, 63, 214, .14); transform: translateY(-1px); }
.field label, .filters .f-item label { color: var(--fx-ink); font-weight: 600; }
.contact-info-item .ic { background: linear-gradient(135deg, var(--fx-side), var(--fx-deep)); color: var(--fx-accent); border-radius: 12px; transition: transform .3s var(--fx-ease), background .3s; }
.contact-info-item:hover .ic { transform: translateY(-3px) rotate(-6deg); background: linear-gradient(135deg, var(--fx-primary), var(--fx-accent)); color: #fff; }
.map-fake { border-radius: 14px; }
.map-fake .icon { color: var(--fx-primary); animation: fx-bob 2.4s ease-in-out infinite; }
@keyframes fx-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }

/* ---------- footer ---------- */
footer.site-footer { background: linear-gradient(180deg, var(--fx-side), var(--fx-deep)); position: relative; margin-top: 50px; color: #c4d0e6; }
footer.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--fx-accent), var(--fx-primary), var(--fx-accent)); background-size: 200% 100%; animation: fx-slide 6s linear infinite; }
@keyframes fx-slide { to { background-position: 200% 0; } }
footer h4 { border-left: 0; padding-left: 0; position: relative; padding-bottom: 8px; }
footer h4::after { content: ''; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; border-radius: 3px; background: var(--fx-accent); }
footer li a { transition: color .2s, padding-left .2s var(--fx-ease); }
footer li a:hover { color: #5cc8ff; padding-left: 5px; }
footer .contact-info-item .ic { background: rgba(0, 168, 255, .14); color: var(--fx-accent); }
.foot-bottom a { color: #5cc8ff; }
.social a { transition: transform .25s var(--fx-ease), background .2s; }
.social a:hover { background: linear-gradient(135deg, var(--fx-accent), var(--fx-primary)); transform: translateY(-4px) rotate(8deg); }

/* ---------- floating admin button / modal / toast ---------- */
.admin-fab { background: linear-gradient(135deg, var(--fx-side), var(--fx-deep)); color: #5cc8ff; border: 1px solid rgba(0, 168, 255, .5); box-shadow: 0 10px 26px rgba(15, 29, 51, .4); transition: transform .25s var(--fx-ease), box-shadow .25s; }
.admin-fab:hover { transform: translateY(-4px) scale(1.04); box-shadow: 0 16px 34px rgba(0, 168, 255, .35); }
.modal-backdrop { -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); background: rgba(15, 29, 51, .6); animation: fx-fade .25s ease; }
.modal { border-top: 4px solid var(--fx-accent); border-radius: 16px; box-shadow: 0 30px 70px rgba(0, 0, 0, .4); animation: fx-pop .35s var(--fx-ease); }
@keyframes fx-fade { from { opacity: 0; } }
@keyframes fx-pop { from { opacity: 0; transform: translateY(24px) scale(.94) rotateX(10deg); } }
.toast { background: linear-gradient(135deg, var(--fx-side), var(--fx-deep)); border-left: 4px solid var(--fx-accent); border-radius: 10px; animation: fx-pop .35s var(--fx-ease); }

/* ---------- scroll reveal ---------- */
.fx-reveal { opacity: 0; transform: translate3d(0, 34px, 0) scale(.97); transition: opacity .7s var(--fx-ease), transform .8s var(--fx-ease); transition-delay: var(--fx-d, 0ms); }
.fx-reveal.fx-in { opacity: 1; transform: none; }
.fx-reveal.fx-tilt.fx-in { transform: perspective(900px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); }
.fx-reveal.fx-left { transform: translate3d(-40px, 0, 0); }
.fx-reveal.fx-right { transform: translate3d(40px, 0, 0); }
.fx-reveal.fx-left.fx-in, .fx-reveal.fx-right.fx-in { transform: none; }

/* পেজ বদলের সময় নরম ফেড */
#app.fx-page { animation: fx-page .55s var(--fx-ease); }
@keyframes fx-page { from { opacity: 0; transform: translateY(18px); } }

/* স্কেলিটন লোডার আরও সুন্দর */
.skel { background: linear-gradient(90deg, #e9edf7 25%, #f6f8fd 50%, #e9edf7 75%); background-size: 200% 100%; border-radius: 10px; }

/* ---------- mobile ---------- */
@media (max-width: 760px) {
  .section { padding: 26px 0; }
  .hero { border-radius: 14px; }
  nav.mainnav { background: #fff; }
  .dropdown { opacity: 1; visibility: visible; transform: none; pointer-events: auto; border: 0; box-shadow: none; }
  .fx-tilt { transform: none !important; }
}
/* কম মোশন পছন্দ করলে অ্যানিমেশন বন্ধ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  .fx-reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   BU-style university portal layout
   (১) দুই-স্তরের হেডার: উপরে লোগো+নাম, নিচে full-width নেভি মেনু বার
   (২) hero এর নিচে overlap করা stats band  (৩) quick-access টাইল
   (৪) পরিচালকের বাণী (বড় ছবি + quote)     (৫) তারিখ-ব্যাজ সহ Notice Board
   ========================================================================== */

/* ---------- (১) header: brand row + navy menu bar ---------- */
.site-header { background: #fff; -webkit-backdrop-filter: none; backdrop-filter: none; border-bottom: 0; z-index: 60; }
.site-header::after { display: none; }
.site-header .wrap { flex-wrap: wrap; justify-content: space-between; padding: 0 16px; row-gap: 0; }
.site-header .brand { padding: 12px 0; max-height: 120px; overflow: hidden; transition: max-height .35s var(--fx-ease), padding .35s var(--fx-ease), opacity .25s; }
.brand-mark { width: 58px; height: 58px; }
.brand-text .name { font-size: max(calc(26px * var(--fb, 1.25)), var(--fmin, 18px)); font-weight: 700; color: var(--fx-side); letter-spacing: -.3px; }
.brand-text .tag { color: var(--fx-primary); font-weight: 500; }
.site-header.is-stuck .brand { max-height: 0; padding: 0; opacity: 0; }
.site-header.is-stuck { box-shadow: 0 10px 30px rgba(15, 29, 51, .22); background: #fff; }
.site-header.is-stuck .wrap { padding-top: 0; padding-bottom: 0; }

nav.mainnav { flex: 0 0 100%; position: relative; justify-content: flex-start; z-index: 1; }
nav.mainnav::before { content: ''; position: absolute; top: 0; bottom: 0; left: 50%; width: 100vw; transform: translateX(-50%); z-index: -1;
  background: linear-gradient(90deg, var(--fx-deep), var(--fx-side) 50%, var(--fx-deep)); border-bottom: 3px solid var(--fx-accent); box-shadow: 0 6px 18px rgba(15, 29, 51, .25); }
nav.mainnav > ul { flex-wrap: wrap; gap: 0; }
nav.mainnav a.nav-link, nav.mainnav button.nav-link { color: #e9f0fb; border-radius: 0; padding: 14px 16px; }
nav.mainnav a.nav-link::after, nav.mainnav button.nav-link::after { left: 0; right: 0; bottom: 0; height: 3px; border-radius: 0; background: var(--fx-accent); }
nav.mainnav a.nav-link:hover, nav.mainnav button.nav-link:hover,
nav.mainnav li.active > a.nav-link, nav.mainnav li.active > button.nav-link { color: #fff; background: rgba(0, 168, 255, .16); }
nav.mainnav .nav-caret { display: inline-block; width: 7px; height: 7px; border: 0; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); margin-left: 2px; opacity: .8; }
nav.mainnav .nav-caret path, nav.mainnav .nav-caret use { display: none; }
.dropdown { top: calc(100% + 3px); border-top: 3px solid var(--fx-accent); border-radius: 0 0 10px 10px; }

/* ---------- hero: full-width, বড় ---------- */
.hero { width: calc(100% - 40px); aspect-ratio: 21 / 8.5; margin-top: 16px; border-radius: 6px 6px 18px 18px; }

/* ---------- (২) stats band ---------- */
.stats-band { position: relative; z-index: 5; margin-top: -46px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); background: #fff; border-radius: 16px; overflow: hidden;
  box-shadow: 0 24px 50px -18px rgba(15, 29, 51, .45); border: 1px solid var(--fx-border); }
.bu-stat { display: flex; align-items: center; gap: 14px; padding: 18px 22px; border-right: 1px solid var(--fx-border); position: relative; transition: background .25s; }
.bu-stat:last-child { border-right: 0; }
.bu-stat::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(180deg, var(--fx-accent), var(--fx-primary)); transform: scaleY(0); transform-origin: top; transition: transform .35s var(--fx-ease); }
.bu-stat:hover { background: #f4f6ff; }
.bu-stat:hover::before { transform: scaleY(1); }
.bu-stat-ic { width: 52px; height: 52px; flex-shrink: 0; border-radius: 14px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 24px;
  background: linear-gradient(135deg, var(--fx-primary), var(--fx-accent)); box-shadow: 0 8px 18px rgba(74, 63, 214, .35); transition: transform .4s var(--fx-ease); }
.bu-stat:hover .bu-stat-ic { transform: rotateY(180deg) scale(1.06); }
.bu-stat b { display: block; font-size: max(calc(30px * var(--fb, 1.25)), var(--fmin, 18px)); font-weight: 700; line-height: 1.1; color: var(--fx-side); font-family: 'Poppins', var(--font-head), sans-serif; }
.bu-stat span:not(.bu-stat-ic) { color: var(--fx-muted); font-size: max(calc(13.5px * var(--fb, 1.25)), var(--fmin, 18px)); font-weight: 500; }

/* ---------- (৩) quick access tiles ---------- */
.quick-sec { padding-top: 34px; }
.quick-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; }
.quick-tile { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; padding: 20px 18px; border-radius: 16px; overflow: hidden; color: #fff;
  background: linear-gradient(145deg, var(--fx-side), var(--fx-deep)); box-shadow: 0 10px 24px -10px rgba(15, 29, 51, .55);
  transition: transform .35s var(--fx-ease), box-shadow .35s; transform-style: preserve-3d; }
.quick-tile::before { content: ''; position: absolute; right: -40px; top: -40px; width: 130px; height: 130px; border-radius: 50%; background: radial-gradient(circle, rgba(0, 168, 255, .45), transparent 70%); transition: transform .5s var(--fx-ease); }
.quick-tile::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--fx-accent), var(--fx-primary)); transform: scaleX(0); transform-origin: left; transition: transform .4s var(--fx-ease); }
.quick-tile:hover { transform: translateY(-8px) rotateX(4deg); box-shadow: 0 26px 40px -14px rgba(74, 63, 214, .55); }
.quick-tile:hover::before { transform: scale(1.7); }
.quick-tile:hover::after { transform: scaleX(1); }
.quick-tile .q-ic { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 22px; color: var(--fx-accent); background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); margin-bottom: 8px; transition: transform .4s var(--fx-ease), background .3s, color .3s; }
.quick-tile:hover .q-ic { transform: translateY(-3px) scale(1.12) rotate(-6deg); background: var(--fx-accent); color: #fff; }
.quick-tile .q-t { font-weight: 700; font-size: max(calc(16.5px * var(--fb, 1.25)), var(--fmin, 18px)); position: relative; z-index: 1; }
.quick-tile .q-d { font-size: max(calc(12.8px * var(--fb, 1.25)), var(--fmin, 18px)); color: #b4c4de; position: relative; z-index: 1; }

/* ---------- (৪) director message ---------- */
.vc-msg { display: grid; grid-template-columns: 280px 1fr; gap: 34px; align-items: center; padding: 30px; border-radius: 20px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, #fff 55%, #eef1ff); border: 1px solid var(--fx-border); box-shadow: 0 20px 44px -22px rgba(26, 43, 69, .35); }
.vc-msg::before { content: '\201C'; position: absolute; right: 28px; top: -30px; font-family: Georgia, serif; font-size: 240px; line-height: 1; color: rgba(74, 63, 214, .08); pointer-events: none; }
.vc-photo { position: relative; justify-self: center; }
.vc-photo img { width: 240px; height: 290px; object-fit: cover; border-radius: 18px; display: block; border: 5px solid #fff; box-shadow: 0 22px 40px -14px rgba(26, 43, 69, .5); position: relative; z-index: 1; transition: transform .5s var(--fx-ease); }
.vc-photo:hover img { transform: perspective(700px) rotateY(-8deg) rotateX(3deg) scale(1.02); }
.vc-ring { position: absolute; inset: -14px -14px auto auto; width: 100%; height: 100%; border: 3px solid var(--fx-accent); border-radius: 22px; transform: translate(10px, 10px); opacity: .55; z-index: 0; transition: transform .4s var(--fx-ease); }
.vc-photo:hover .vc-ring { transform: translate(18px, 18px); }
.vc-kicker { display: inline-flex; align-items: center; gap: 6px; color: var(--fx-primary); font-weight: 700; background: var(--fx-soft); padding: 4px 12px; border-radius: 20px; }
.vc-name { font-size: max(calc(26px * var(--fb, 1.25)), var(--fmin, 18px)); color: var(--fx-side); margin: 10px 0 8px; }
.vc-body blockquote { margin: 0 0 16px; padding-left: 16px; border-left: 4px solid var(--fx-accent); color: #3a455c; line-height: 1.75; position: relative; z-index: 1; }

/* ---------- (৫) notice board + about ---------- */
.home-two { display: grid; grid-template-columns: 1.15fr 1fr; gap: 24px; align-items: stretch; }
.notice-board { background: #fff; border: 1px solid var(--fx-border); border-radius: 16px; overflow: hidden; box-shadow: 0 14px 34px -20px rgba(26, 43, 69, .4); }
.nb-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: linear-gradient(135deg, var(--fx-deep), var(--fx-side)); color: #fff; }
.nb-head h3 { color: #fff; display: flex; align-items: center; gap: 8px; }
.nb-head h3 .icon { color: var(--fx-accent); animation: fx-ring 3.2s ease-in-out infinite; transform-origin: 50% 0; }
.nb-head a { color: #5cc8ff; font-weight: 600; display: flex; align-items: center; gap: 4px; }
.nb-head a:hover { color: #fff; }
.nb-list li a { display: flex; align-items: center; gap: 14px; padding: 11px 18px; border-bottom: 1px solid var(--fx-border); transition: background .2s, padding-left .25s var(--fx-ease); }
.nb-list li:last-child a { border-bottom: 0; }
.nb-list li a:hover { background: #f4f6ff; padding-left: 24px; }
.nb-date { flex-shrink: 0; width: 58px; padding: 6px 0; text-align: center; border-radius: 10px; color: #fff; background: linear-gradient(160deg, var(--fx-primary), #5b4ef0); box-shadow: 0 6px 14px rgba(74, 63, 214, .3); line-height: 1.1; transition: transform .3s var(--fx-ease); }
.nb-date b { display: block; font-size: 1.35em; font-family: 'Poppins', var(--font-head), sans-serif; }
.nb-date small { display: block; font-size: .72em; opacity: .9; }
.nb-date-ic { display: flex; align-items: center; justify-content: center; height: 46px; font-size: 22px; }
.nb-list li a:hover .nb-date { transform: rotate(-5deg) scale(1.06); }
.nb-title { flex: 1; color: var(--fx-ink); font-weight: 500; }
.nb-list li a:hover .nb-title { color: var(--fx-primary); }
.nb-go { color: var(--fx-accent); opacity: 0; transform: translateX(-8px); transition: opacity .25s, transform .25s; }
.nb-list li a:hover .nb-go { opacity: 1; transform: none; }
.about-card { overflow: hidden; display: flex; flex-direction: column; padding: 0; }
.about-img { aspect-ratio: 16 / 8; overflow: hidden; position: relative; }
.about-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(15, 29, 51, .5)); }
.about-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--fx-ease); }
.about-card:hover .about-img img { transform: scale(1.08); }
.about-card .card-pad { padding: 16px 18px 18px; }

/* responsive */
@media (max-width: 980px) {
  .home-two, .vc-msg { grid-template-columns: 1fr; }
  .vc-msg { padding: 22px; gap: 22px; }
  .stats-band { margin-top: -24px; }
}
@media (max-width: 760px) {
  .site-header .wrap { flex-wrap: nowrap; }
  .site-header .brand { padding: 8px 0; }
  .brand-mark { width: 42px; height: 42px; }
  nav.mainnav { flex: none; position: fixed; background: #fff; }
  nav.mainnav::before { display: none; }
  nav.mainnav a.nav-link, nav.mainnav button.nav-link { color: var(--fx-side); padding: 12px; }
  nav.mainnav a.nav-link:hover, nav.mainnav li.active > a.nav-link { color: var(--fx-primary); background: var(--fx-soft); }
  .site-header.is-stuck .brand { max-height: 120px; padding: 8px 0; opacity: 1; }
  .hero { aspect-ratio: 16 / 10; }
  .bu-stat { border-right: 0; border-bottom: 1px solid var(--fx-border); }
}

/* ==========================================================================
   টপ আপডেট স্ট্রিপ = মেনু বারের মতো full page width
   EIIN / School code / Reg. No = হেডারে লোগো-নামের পাশে এক কলামে, লোগো-নামের vertical-middle এ
   Login বাটন = হেডারের ডানে      (আলাদা "codes" স্ট্রিপ বাদ)
   ========================================================================== */
.topbar { padding: 0; background: linear-gradient(90deg, var(--fx-deep), var(--fx-side) 50%, var(--fx-deep)); }
.topbar .wrap { width: 100%; max-width: none; margin: 0; padding: 0; gap: 0; }
.topbar .update { height: 40px; border-radius: 0; box-shadow: none; background: transparent; }
.topbar .update b { padding: 0 30px 0 22px; }
.topbar .update-more { padding: 0 22px; }

.site-header .head-top { flex: 0 0 100%; display: flex; align-items: center; gap: 22px; max-height: 130px; overflow: hidden;
  transition: max-height .35s var(--fx-ease), opacity .25s; }
.site-header .head-top .brand { padding: 12px 0; max-height: none; opacity: 1; flex-shrink: 0; }
.site-header.is-stuck .head-top { max-height: 0; opacity: 0; }
.site-header.is-stuck .head-top .brand { max-height: none; padding: 12px 0; opacity: 1; }
.head-codes { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 1px; padding-left: 22px; border-left: 2px solid var(--fx-border); line-height: 1.35; text-align: left; }
.head-codes div { display: flex; gap: 6px; align-items: baseline; white-space: nowrap; }
.head-codes span { color: var(--fx-muted); font-size: max(calc(13px * var(--fb, 1.25)), var(--fmin, 18px)); }
.head-codes span::after { content: ':'; }
.head-codes b { color: var(--fx-side); font-weight: 600; font-size: max(calc(13.5px * var(--fb, 1.25)), var(--fmin, 18px)); }
.head-login { margin-left: auto; flex-shrink: 0; }

@media (max-width: 760px) {
  .site-header .head-top { gap: 10px; max-height: none; overflow: visible; }
  .site-header.is-stuck .head-top { max-height: none; opacity: 1; }
  .head-codes { display: none; }
  .head-login { margin-left: auto; padding: 5px 9px; }
  .site-header .head-top .brand { padding: 8px 0; }
}
@media (max-width: 760px) {
  .site-header .head-top .brand { flex: 1 1 auto; min-width: 0; }
  .brand-text { min-width: 0; }
  .brand-text .name { font-size: max(calc(17px * var(--fb, 1.25)), 17px); white-space: normal; line-height: 1.15; }
  .brand-text .tag { display: none; }
  .head-login { flex: 0 0 auto; }
  .site-header .hamburger { display: block; flex: 0 0 auto; }
  .topbar .update b { padding: 0 22px 0 14px; }
}

/* ==========================================================================
   হোম: ব্যানারের নিচে Notice + প্রতিষ্ঠান পরিচিতি, তার নিচে গণনা (stats)
   পরিচালকদের বাণী: সবগুলো একই ডিজাইন, একই width, উপরে-নিচে সাজানো
   ========================================================================== */
.home-first { padding-top: 28px; padding-bottom: 12px; }
.stats-band { margin-top: 0; padding: 14px 0 6px; }
.stats-grid { border-radius: 18px; }
.vc-stack { display: grid; gap: 22px; }
.vc-stack .vc-msg { width: 100%; }

/* ==========================================================================
   সব পেজের ব্যাকগ্রাউন্ড — মেশ গ্রেডিয়েন্ট + ডট গ্রিড + ভাসমান আলোর গোলক
   (body::before = গ্রিড ও গোলক, body::after = নিচের গ্লো; দুটোই fixed, কনটেন্টের পেছনে)
   ========================================================================== */
html { background: #e9eefc; }
body {
  background:
    radial-gradient(1200px 700px at 6% -8%,  rgba(0, 168, 255, .30), transparent 62%),
    radial-gradient(1000px 700px at 104% 2%, rgba(74, 63, 214, .30), transparent 60%),
    radial-gradient(1100px 800px at 50% 112%, rgba(0, 168, 255, .22), transparent 62%),
    linear-gradient(165deg, #e6edff 0%, #f2f5fe 38%, #e7ecfb 70%, #dfe7fb 100%);
  background-attachment: fixed;
}
body::before {
  content: ''; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image:
    radial-gradient(rgba(26, 43, 69, .16) 1.2px, transparent 1.4px),
    linear-gradient(rgba(74, 63, 214, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 63, 214, .05) 1px, transparent 1px);
  background-size: 28px 28px, 112px 112px, 112px 112px;
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, rgba(0, 0, 0, .35) 80%);
  mask-image: radial-gradient(ellipse at 50% 30%, #000 25%, rgba(0, 0, 0, .35) 80%);
}
body::after {
  content: ''; position: fixed; z-index: -1; pointer-events: none; width: 62vmax; height: 62vmax; left: -22vmax; top: 28vh; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(0, 168, 255, .20), rgba(74, 63, 214, .12) 45%, transparent 68%);
  filter: blur(30px); animation: fx-orb 26s ease-in-out infinite alternate;
}
@keyframes fx-orb { 0% { transform: translate(0, 0) scale(1); } 50% { transform: translate(40vw, -14vh) scale(1.12); } 100% { transform: translate(78vw, 10vh) scale(.95); } }

/* সেকশনগুলো স্বচ্ছ/গ্লাস, যাতে ব্যাকগ্রাউন্ড দেখা যায় */
.section-alt { background: linear-gradient(180deg, rgba(255, 255, 255, .62), rgba(244, 247, 255, .55)); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border-top: 1px solid rgba(255, 255, 255, .9); border-bottom: 1px solid rgba(214, 222, 245, .9); }
.card, .notice-board, .vc-msg, .table-wrap, .stats-grid { box-shadow: 0 12px 30px -16px rgba(26, 43, 69, .30), 0 1px 0 rgba(255, 255, 255, .8) inset; }
.section-head h2 { text-shadow: 0 1px 0 rgba(255, 255, 255, .8); }
footer.site-footer { position: relative; z-index: 1; }

/* ==========================================================================
   জ্যামিতিক আকার (geometry) — ভাসমান আকৃতি, ঢালু সেকশন, কাটা কোণা, hexagon আইকন, zigzag ফুটার
   floating shapes: assets/js/frontend-theme.js এ decorate() দিয়ে বসানো হয় (scroll এ parallax)
   ========================================================================== */

/* ---------- ভাসমান আকৃতি (প্রতি সেকশনে) ---------- */
.fx-shapes { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.section > .wrap, .section-alt > .wrap { position: relative; z-index: 1; }
.fx-shape { position: absolute; display: block; width: var(--sz, 70px); height: var(--sz, 70px); opacity: var(--op, .5);
  transform: translate3d(0, var(--py, 0px), 0); will-change: transform; }
.fx-shape svg { width: 100%; height: 100%; display: block; overflow: visible; }
.fx-shape svg { animation: var(--an, fx-spin) var(--dur, 30s) linear infinite; transform-origin: 50% 50%; }
@keyframes fx-spin   { to { transform: rotate(360deg); } }
@keyframes fx-spinr  { to { transform: rotate(-360deg); } }
@keyframes fx-drift  { 0%, 100% { transform: translate(0, 0) rotate(0); } 50% { transform: translate(18px, -22px) rotate(25deg); } }
@keyframes fx-breath { 0%, 100% { transform: scale(.85); } 50% { transform: scale(1.15); } }

/* ---------- ঢালু (slanted) সেকশন বিভাজক ---------- */
.section-alt { --cut: 34px; margin: -17px 0; padding: 62px 0; clip-path: polygon(0 var(--cut), 100% 0, 100% calc(100% - var(--cut)), 0 100%); border-top: 0; border-bottom: 0; }
#app > section:nth-child(4n + 2).section-alt, #app > section:nth-child(4n).section-alt { clip-path: polygon(0 0, 100% var(--cut), 100% 100%, 0 calc(100% - var(--cut))); }

/* ---------- সেকশন হেডিং: ঘূর্ণায়মান diamond ---------- */
.section-head h2 { display: inline-flex; align-items: center; gap: 12px; }
.section-head h2::before { content: ''; flex: 0 0 auto; width: 13px; height: 13px; margin-bottom: 2px;
  background: linear-gradient(135deg, var(--fx-accent), var(--fx-primary)); transform: rotate(45deg); box-shadow: 8px -8px 0 -3px rgba(0, 168, 255, .35);
  transition: transform .6s var(--fx-ease); }
.section-head:hover h2::before { transform: rotate(225deg) scale(1.15); }

/* ---------- hero: কোণাকুণি ব্যান্ড ---------- */
.hero::after { content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 38%; z-index: 2; pointer-events: none;
  clip-path: polygon(46% 0, 100% 0, 100% 100%, 0 100%);
  background: linear-gradient(115deg, rgba(0, 168, 255, 0) 0 30%, rgba(0, 168, 255, .20) 30% 44%, rgba(0, 168, 255, 0) 44% 52%, rgba(74, 63, 214, .26) 52% 70%, rgba(74, 63, 214, 0) 70%); mix-blend-mode: screen; }

/* ---------- stats: hexagon আইকন ---------- */
.bu-stat-ic { border-radius: 0; width: 58px; height: 64px; clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); box-shadow: none; }
.bu-stat:hover .bu-stat-ic { transform: rotate(60deg) scale(1.06); }
.bu-stat:hover .bu-stat-ic > * { transform: rotate(-60deg); }
.bu-stat-ic > * { transition: transform .4s var(--fx-ease); }

/* ---------- quick tile: কাটা কোণা + ত্রিভুজ ---------- */
.quick-grid { filter: drop-shadow(0 14px 14px rgba(15, 29, 51, .28)); }
.quick-tile { clip-path: polygon(0 0, calc(100% - 34px) 0, 100% 34px, 100% 100%, 34px 100%, 0 calc(100% - 34px)); box-shadow: none; border-radius: 0; }
.quick-tile:hover { box-shadow: none; }
.quick-tile .q-ic { clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%); border-radius: 0; border: 0; background: rgba(255, 255, 255, .14); width: 50px; height: 54px; }
.quick-tile:hover .q-ic { transform: rotate(60deg) scale(1.1); }
.quick-tile:hover .q-ic .icon { transform: rotate(-60deg); }
.quick-tile .q-ic .icon { transition: transform .4s var(--fx-ease); }

/* ---------- পরিচালকের ছবি: জ্যামিতিক ফ্রেম ---------- */
.vc-photo::before { content: ''; position: absolute; left: -26px; bottom: -22px; width: 92px; height: 92px; z-index: 0; clip-path: polygon(0 100%, 100% 100%, 0 0);
  background: linear-gradient(135deg, var(--fx-primary), var(--fx-accent)); opacity: .85; transition: transform .5s var(--fx-ease); }
.vc-photo::after { content: ''; position: absolute; right: -22px; top: -18px; width: 86px; height: 86px; z-index: 2; pointer-events: none; opacity: .75;
  background-image: radial-gradient(var(--fx-accent) 2.4px, transparent 2.8px); background-size: 14px 14px; transition: transform .5s var(--fx-ease); }
.vc-photo:hover::before { transform: translate(-6px, 6px) scale(1.1); }
.vc-photo:hover::after { transform: translate(6px, -6px); }
.vc-ring { border-radius: 0; clip-path: none; }

/* ---------- ব্লগ/গ্যালারি: ঢালু কোণা ---------- */
.blog-thumb { clip-path: polygon(0 0, 100% 0, 100% 86%, 0 100%); }
.blog-body { padding-top: 14px; }
.gallery-tile .g-badge { clip-path: polygon(0 0, 100% 0, 100% 100%, 12px 100%, 0 calc(100% - 12px)); border-radius: 0; padding: 4px 10px 4px 14px; }

/* ---------- notice তারিখ: diamond-কাট ---------- */
.nb-date { clip-path: polygon(0 10px, 10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%); border-radius: 0; box-shadow: none; }

/* ---------- ফুটার: zigzag ধার ---------- */
footer.site-footer { margin-top: 70px; }
footer.site-footer .fx-zig { position: absolute; left: 0; right: 0; top: -22px; height: 22px; pointer-events: none;
  background: linear-gradient(135deg, var(--fx-side) 25%, transparent 25%) -11px 0, linear-gradient(225deg, var(--fx-side) 25%, transparent 25%) -11px 0;
  background-size: 22px 22px; background-repeat: repeat-x; }
footer.site-footer::before { top: 0; }

@media (max-width: 760px) {
  .section-alt { --cut: 18px; padding: 44px 0; }
  .fx-shape:nth-child(n + 4) { display: none; }
  .quick-tile { clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px)); }
}
@media (prefers-reduced-motion: reduce) { .fx-shape svg { animation: none !important; } }