/* =========================================================================
   BIOSENSOR 2026 – single stylesheet
   1. Tokens          5. Components (header, nav, page band, buttons, speakers, footer)
   2. Reset / base    6. Page sections (home, about, sponsors, programme tables)
   3. Typography      7. Utilities  (Tailwind-like: flex, grid, gap-4, mt-6, md:grid-cols-3 ...)
   4. Layout          Breakpoints: md = 768px, lg = 1025px (desktop menu)
   ========================================================================= */

/* 1. Tokens ---------------------------------------------------------------- */
:root {
  --c-primary: #195793;      /* links, buttons */
  --c-green: #84ce3f;        /* menu hover */
  --c-heading: #1a202c;
  --c-text: #2d3748;
  --c-muted: #718096;
  --c-border: #edf2f7;
  --c-band: #edf2f7;         /* page title band */
  --c-bg: #f7fafc;
  --c-white: #fff;
  --c-navy: #0d2148;         /* footer */
  --c-alert: #b82105;
  --c-active: #001a3a;
  --gradient: linear-gradient(135deg, #d7df23 0%, #27aae1 100%);

  --f-body: "Albert Sans", sans-serif;

  --container: 1290px;
  --container-narrow: 704px;
  --gutter: 1.2rem;
  --radius: 4px;
  --shadow: 0 15px 15px -10px rgba(0, 0, 0, .05);
  --shadow-card: 0 0 10px 0 rgba(0, 0, 0, .5);
  --ease: .2s ease;
}

/* 2. Reset / base ------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 17px/1.6 var(--f-body);
  color: var(--c-text);
  background: var(--c-bg);
  overflow-x: hidden;
}
img, svg, video, iframe { max-width: 100%; }
img { height: auto; vertical-align: middle; }
iframe { border: 0; }
a { color: var(--c-primary); transition: color var(--ease); }
a:hover { color: #89b500; }
button { font: inherit; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
hr { height: 0; margin: 0 0 2em; border: 0; border-top: 1px solid var(--c-border); }
::selection { color: #fff; background: var(--c-primary); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 100; width: auto; height: auto; clip: auto; padding: 8px 16px; background: #fff; }

/* 3. Typography ------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; color: var(--c-heading); font-weight: 700; line-height: 1.5; }
h1 { font-size: 32px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 22px; color: var(--c-text); }
h5 { font-size: 20px; color: var(--c-text); }
h6 { font-size: 18px; color: var(--c-muted); }
p { margin: 0 0 1.88em; }
ul, ol { margin: 0 0 1.88em; padding-left: 2em; }
strong, b { font-weight: 700; }

/* .prose: plain HTML content (p, h2, ul, table, img ...) needs no classes */
.prose { overflow-wrap: break-word; }
.prose > :last-child { margin-bottom: 0; }
.prose :is(h1, h2, h3, h4, h5, h6) { margin-top: 1.5em; }
.prose > :is(h1, h2, h3, h4, h5, h6):first-child, .prose div > :is(h1, h2, h3, h4, h5, h6):first-child { margin-top: 0; }
.prose li + li { margin-top: .25em; }
.prose table { margin-bottom: 1.88em; font-size: 16px; }
.prose :is(td, th) { padding: .5em; border: 1px solid #d0d6de; text-align: left; vertical-align: top; }
.prose th { font-weight: 700; }
.prose :is(td, th).text-center { text-align: center; }
.prose .band { padding: 1.25em 2.375em; background: var(--c-band); }
.prose .notice { padding: 1.25em 2.375em; color: #fff; background: var(--c-alert); }
.table-scroll { overflow-x: auto; }

/* 4. Layout ----------------------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.container-narrow { width: 100%; max-width: calc(var(--container-narrow) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: 26px; }

/* Content + optional sidebar: <div class="layout has-sidebar"><div class="layout-main">…</div><aside class="layout-sidebar">…</aside></div> */
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 3.5rem; }
@media (min-width: 1025px) {
  .layout.has-sidebar { grid-template-columns: minmax(0, 5fr) minmax(0, 2fr); }
}
.content-box { padding: 2.32rem; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); }
.widget { margin-bottom: 1.5em; }
.widget-title { margin: 0; font-size: 24px; }
.widget p { margin: 1em 0; }

/* 5. Components ------------------------------------------------------------- */

/* Header: banner row with logo + gradient bar with the menu */
.site-header { position: relative; z-index: 50; background: #fff; }
.header-main { display: flex; align-items: center; min-height: 248px; background: #06081f url(../../wp-content/uploads/2026/02/bg.jpg) 49% 51% / cover no-repeat; }
.site-logo { display: inline-block; }
.site-logo img { display: block; width: 771px; max-width: 100%; }
.header-bar { display: flex; justify-content: center; min-height: 63px; padding: 6px; background: var(--gradient); border-bottom: 1px solid var(--c-heading); }

/* Desktop navigation (from 1025px) */
.nav { display: none; }
.nav ul { margin: 0; padding: 0; list-style: none; }
.nav > ul { display: flex; flex-wrap: wrap; justify-content: center; height: 100%; }
.nav li { position: relative; }
.nav > ul > li { display: flex; }
.nav > ul > li > a {
  display: flex; align-items: center; gap: 4px; padding: 9px; font-size: 15px; line-height: 1.6;
  text-decoration: none; white-space: nowrap; color: var(--c-heading); transition: color var(--ease), background var(--ease);
}
.nav > ul > li:hover > a, .nav > ul > li:focus-within > a { color: #fff; background: var(--c-green); }
.nav > ul > li > a[aria-current] { color: var(--c-active); }
.nav .chevron { width: 8px; height: 8px; fill: currentColor; transition: transform var(--ease); }
.nav .submenu {
  position: absolute; top: 100%; left: 0; z-index: 10; width: 200px; background: var(--c-heading); box-shadow: 0 2px 13px rgba(0, 0, 0, .1);
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
}
.nav li:hover > .submenu, .nav li:focus-within > .submenu { opacity: 1; visibility: visible; transform: none; }
.nav .submenu a {
  display: block; padding: 15px; font-size: 15px; line-height: 1.6; color: var(--c-bg); text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, .1); transition: color var(--ease), background var(--ease);
}
.nav .submenu a:hover, .nav .submenu a:focus-visible { color: #fff; background: var(--c-text); outline: none; }
.nav .submenu a[aria-current] { color: #fff; background: var(--c-text); }

/* Mobile menu trigger + off-canvas panel */
.menu-toggle { display: flex; padding: 6px; color: var(--c-heading); background: none; border: 0; }
.menu-toggle svg { width: 32px; height: 32px; fill: currentColor; }
.offcanvas { position: fixed; inset: 0; z-index: 90; visibility: hidden; }
.offcanvas.is-open { visibility: visible; }
.offcanvas-backdrop { position: absolute; inset: 0; background: rgba(0, 0, 0, .4); opacity: 0; transition: opacity .3s; }
.offcanvas-panel {
  position: absolute; top: 0; right: 0; bottom: 0; width: min(90vw, 400px); padding: 20px 24px; overflow-y: auto;
  background: #090c10; box-shadow: 0 0 70px rgba(0, 0, 0, .35); transform: translateX(100%); transition: transform .3s;
}
.offcanvas.is-open .offcanvas-backdrop { opacity: 1; }
.offcanvas.is-open .offcanvas-panel { transform: none; }
.offcanvas-close { display: flex; margin-left: auto; padding: 8px; color: #fff; background: none; border: 0; }
.offcanvas-close svg { width: 14px; height: 14px; fill: currentColor; }
.mobile-nav ul { margin: 0; padding: 0; list-style: none; }
.mobile-nav > ul { margin-top: 16px; }
.mobile-nav li { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.mobile-nav a { display: block; padding: 12px 0; font-size: 16px; line-height: 1.4; color: #fff; text-decoration: none; }
.mobile-nav a:hover, .mobile-nav a[aria-current] { color: var(--c-green); }
.mobile-nav-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mobile-nav-row a { flex: 1; }
.mobile-nav-row button { display: flex; padding: 10px 12px; color: #fff; background: none; border: 0; border-left: 1px solid rgba(255, 255, 255, .1); }
.mobile-nav-row svg { width: 10px; height: 10px; fill: currentColor; transition: transform var(--ease); }
.mobile-nav .submenu { display: none; padding-left: 16px; border-top: 1px solid rgba(255, 255, 255, .1); }
.mobile-nav .submenu li:last-child { border-bottom: 0; }
.mobile-nav li.is-open > .submenu { display: block; }
.mobile-nav li.is-open > .mobile-nav-row svg { transform: rotate(180deg); }
body.no-scroll { overflow: hidden; }

/* Page title band */
.page-hero { display: flex; align-items: center; min-height: 143px; padding-block: 20px; text-align: center; background: var(--c-band); }
.page-hero h1 { margin: 0; font-size: 32px; }

/* Buttons: .btn ; groups: <div class="buttons justify-end">…</div> */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: .4em 1em;
  font: 400 17px/1.6 var(--f-body); text-align: center; text-decoration: none !important; color: #fff;
  background: var(--c-primary); border: 0; border-radius: 3px; box-shadow: 0 0 0 -7px rgba(0, 0, 0, 0); transition: background var(--ease), box-shadow var(--ease);
}
.btn:hover { color: #fff; background: var(--c-green); box-shadow: 0 15px 25px -7px rgba(0, 0, 0, .1); }
.btn-block { display: flex; width: 100%; }
.btn .i-pdf { width: 14px; height: 18px; fill: currentColor; }
.buttons { display: flex; flex-wrap: wrap; gap: .5em; margin-bottom: 1.88em; }

/* Speakers list (pages/speakers.php) */
.speakers { display: grid; gap: 24px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); margin: 1.5em 0 0; }
@media (min-width: 1025px) { .speakers { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.speaker-card {
  display: flex; flex-direction: column; overflow: hidden; text-align: center; text-decoration: none; color: inherit;
  background: #fff; border-radius: 30px; box-shadow: 0 0 10px 0 rgba(0, 0, 0, .15); transition: box-shadow var(--ease), transform var(--ease);
}
.speaker-card:hover { color: inherit; box-shadow: 0 0 30px 0 rgba(0, 0, 0, .15); }
.speaker-card img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.speaker-card-body { padding: 16px 9px 20px; }
.speaker-card-name { display: block; margin-bottom: 6px; font-size: 17px; font-weight: 700; line-height: 1.3; color: var(--c-heading); }
.speaker-card:hover .speaker-card-name { color: var(--c-primary); }
.speaker-card-org { display: block; font-size: 13px; line-height: 1.5; color: var(--c-text); }

/* Single speaker (pages/speaker.php) */
.speaker-single { padding: 0; overflow: hidden; }
.speaker-single-photo { display: block; width: 100%; }
.speaker-single-body { padding: 2.32rem; }
.speaker-single-group { font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; text-decoration: none; }
.speaker-single h1 { margin: 6px 0 12px; font-size: 32px; line-height: 1.4; }
.speaker-single-org { color: var(--c-muted); }
.speaker-single-body p:last-child { margin-bottom: 0; }

/* Announcement popup (pages/home.php): <dialog class="popup" data-popup="key"> */
.popup { width: min(480px, 100% - 32px); max-height: calc(100% - 32px); padding: 0; overflow: auto; color: var(--c-text); background: #fff; border: 0; border-radius: 8px; box-shadow: 0 20px 60px rgba(0, 0, 0, .4); }
.popup::backdrop { background: rgba(8, 11, 41, .75); }
.popup[open] { animation: popup-in .3s ease; }
@keyframes popup-in { from { opacity: 0; transform: translateY(16px); } }
.popup-visual { padding: 28px 40px; background: #06081f url(../../wp-content/uploads/2026/02/bg.jpg) center / cover; }
.popup-visual img { display: block; width: 100%; max-width: 300px; margin-inline: auto; }
.popup-body { padding: 24px 28px 28px; text-align: center; }
.popup-body h2 { margin-bottom: .4em; font-size: 24px; line-height: 1.3; }
.popup-body p { margin-bottom: 1.2em; }
.popup-close { position: absolute; top: 10px; right: 10px; z-index: 1; display: flex; padding: 9px; color: #fff; background: rgba(0, 0, 0, .45); border: 0; border-radius: 50%; }
.popup-close:hover { background: rgba(0, 0, 0, .7); }
.popup-close svg { width: 12px; height: 12px; fill: currentColor; }

/* Lightbox: any link to an image (or <a data-lightbox="group">) opens it full screen */
.lightbox { width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; padding: 0; color: #fff; background: rgba(0, 0, 0, .92); border: 0; }
.lightbox::backdrop { background: transparent; }
.lightbox[open] { display: flex; align-items: center; justify-content: center; animation: fade-in .25s ease; }
@keyframes fade-in { from { opacity: 0; } }
.lightbox figure { margin: 0; text-align: center; }
.lightbox img { display: block; max-width: min(90vw, 1400px); max-height: 82vh; margin: auto; }
.lightbox figcaption { min-height: 20px; margin-top: 12px; font-size: 13px; opacity: .8; }
.lightbox button { position: absolute; display: flex; padding: 12px; color: #fff; background: rgba(255, 255, 255, .1); border: 0; border-radius: 50%; transition: background var(--ease); }
.lightbox button:hover { background: rgba(255, 255, 255, .25); }
.lightbox .i { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.lightbox-close { top: 16px; right: 16px; }
.lightbox-prev { top: 50%; left: 16px; transform: translateY(-50%); }
.lightbox-next { top: 50%; right: 16px; transform: translateY(-50%); }
.lightbox-count { position: absolute; top: 24px; left: 24px; font-size: 13px; opacity: .8; }
.lightbox.is-single :is(.lightbox-prev, .lightbox-next, .lightbox-count) { display: none; }
a[data-lightbox] { display: block; overflow: hidden; cursor: zoom-in; }
a[data-lightbox] img { width: 100%; transition: transform .4s ease; }
a[data-lightbox]:hover img { transform: scale(1.04); }
body.modal-open { overflow: hidden; }

/* Footer */
.site-footer { color: #fff; background: var(--c-navy); }
.footer-top { padding-block: 30px; font-size: 13px; line-height: 1.6; text-align: center; }
.footer-top p { margin: 13px 0; }
.footer-middle { padding: 30px var(--gutter); font-size: 14px; }
.footer-middle p { margin: 0; }
.footer-bottom { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 30px var(--gutter); }
.social { display: flex; gap: 6px; }
.social a { display: flex; align-items: center; justify-content: center; width: 34px; height: 34px; color: var(--c-text); background: var(--c-border); border-radius: 3px; transition: color var(--ease), background var(--ease); }
.social a:hover { color: #fff; background: var(--c-green); }
.social svg { width: 16px; height: 16px; fill: currentColor; }
.footer-nav a { padding: 5px 8px; font-size: 12px; color: var(--c-border); text-decoration: none; }
.footer-nav a:hover { color: var(--c-muted); }

.to-top {
  position: fixed; right: 30px; bottom: 110px; z-index: 40; display: flex; padding: 8px; color: #fff; border: 2px solid currentColor; border-radius: 10px;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity var(--ease), transform var(--ease), visibility var(--ease), color var(--ease);
  mix-blend-mode: difference;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--c-green); }
.to-top svg { width: 20px; height: 20px; }

/* Responsive embeds: <div class="embed"><iframe …></iframe></div> (vimeo() helper) */
.embed { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #000; margin-bottom: 1.88em; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; }
.map iframe { display: block; width: 100%; height: 450px; }

/* 6. Page sections ---------------------------------------------------------- */

/* Home */
.home-hero { position: relative; display: flex; align-items: center; min-height: 100vh; padding: 40px; background: #06081f url(../../wp-content/uploads/2026/02/bg.jpg) center / cover no-repeat; }
.home-hero::before { content: ""; position: absolute; inset: 0; background: #080b29; opacity: .72; }
.home-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; width: 100%; max-width: 1282px; margin-inline: auto; }
@media (min-width: 1025px) { .home-grid { grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr); align-items: start; } }
.home-welcome { padding: 40px; font-size: 17px; color: var(--c-border); background: rgba(26, 32, 44, .87); }
.home-welcome p:last-child { margin-bottom: 0; }
.home-aside { display: flex; flex-direction: column; gap: 10px; }
.home-aside .embed { margin: 0; }
.support-card { padding: 20px; text-align: center; background: #fff; }
.support-card img { display: block; margin: 0 auto 10px; }
.support-card p { margin: 0; font-size: 12px; line-height: 1.6; }

/* Contact */
.contact-card { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding: 20px; font-size: 14px; background: #fcfcfc; }
.contact-card img { width: 197px; }
.contact-card p { margin: 0; }

/* About Ordu */
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; padding: 26px 5px 20px; }
@media (min-width: 1025px) { .about-grid { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: start; } }
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.gallery img { aspect-ratio: 1; object-fit: cover; }

/* Sponsors */
.sponsor-group { margin-top: 32px; padding: 20px; box-shadow: var(--shadow-card); }
.sponsor-group:first-child { margin-top: 0; }
.sponsor-group h2 { text-align: center; }
.sponsor-logos { display: grid; gap: 30px; justify-items: center; align-items: center; }

/* Programme tables (pages/programme.php, pages/poster-program.php) */
.programme hr { border: #8e8e8e solid .3px; }
table.program1 { font-size: 10pt; color: #333; line-height: 1.3 !important; border-collapse: collapse; }
table.program1 th { padding: 10px; font-size: 18pt; background: #212759; color: #fff; }
table.program1 td { vertical-align: top; padding: 5px; border: #8c8c8c .5px solid; }
.program1 .red { color: #a90002; }
.program1 .session { color: #3f0708; font-weight: 900; line-height: 1.5; }
.program1 .oral { background-color: #e8e3ab; }
.program1 .halla { background-color: #efb9a9; font-weight: bold; text-align: center; }
.program1 .hallb { background-color: #f4db9f; font-weight: bold; text-align: center; }
.program1 .hallc { background-color: #d9dc94; font-weight: bold; text-align: center; }
.program1 .halld { background-color: #bce8eb; font-weight: bold; text-align: center; }
.program1 .halle { background-color: #e0faf0; font-weight: bold; text-align: center; }
.program1 .hallf { background-color: #e7d4fb; font-weight: bold; text-align: center; }
.program1 .plenarystyle { background-color: #f5eecd; }
.program1 .saat { background: #843133; color: white; padding: 3px; border-radius: 3px; line-height: 1.8; }
.program1 .parallelstyle { background-color: #b1cbe4; text-align: left; }
.program1 .symposia { background-color: #c6deeb; }
.program1 .jointstyle { background-color: #4379bd; }
.program1 .green { background-color: #b7e4b1; }
.program1 .green2 { background-color: #d6efd2; }
.program1 .green3 { background-color: #7fed6d; }
.program1 .purple { background-color: #cbb1e4; }
.program1 .purple2 { background-color: #8d61b7; }
.program1 .white { background-color: #fff; }
.program1 .plenary { background-color: #61a5ed; color: #fff; }
.program1 .invitedspeaker { background-color: #8cd798; }
.program1 .keynotestyle { background-color: #f0eade; }
.program1 .invitedspeaker3 { background-color: #e4b362; }
.program1 .yellow { background-color: #f7f2a2; }
.program1 .yavruagzi { background-color: #f7c3a2; }
.program1 .grey { background-color: #a2a2a2; }
.program1 .turqu { background-color: #3cd6d0; }
.program1 .turqu2 { background-color: #71e7ac; }
.program1 .session-alt { background: #badaf1; }
.program1 .break { background-color: #ffcaca; font-weight: bold; text-align: center; vertical-align: middle; }
.program1 .opening { background: #ecb7b7; }
.program1 .special { background: #bb8c03; color: #fff; }
.program1 .surs { background: #76a439; color: #fff; }
.program1 .video { background: #cca83d; color: #fff; }
.program1 .teknoloji { background: #28a02e; color: #fff; }
.program1 .siu { background: #1f669a; font-size: 11pt; color: #fff; }
.program1 .trackname { background: #666; color: #fff; font-weight: 800; }
.program1 .trackname2 { background: #e9e9e9; }
.program1 .industry { background: #fffa8f; }
.program1 .name { font-weight: 800; font-style: italic; color: #2c2c2c; }
.program1 .postersession { background-color: #e9ddf1; }
.program1 .organised { font-size: 11pt; font-style: italic; }

/* 7. Utilities -------------------------------------------------------------- */
.block { display: block; } .inline-block { display: inline-block; } .hidden { display: none; }
.flex { display: flex; } .inline-flex { display: inline-flex; } .grid { display: grid; }
.flex-col { flex-direction: column; } .flex-row { flex-direction: row; } .flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; } .flex-none { flex: none; } .grow { flex-grow: 1; }
.items-start { align-items: flex-start; } .items-center { align-items: center; } .items-end { align-items: flex-end; } .items-stretch { align-items: stretch; }
.justify-start { justify-content: flex-start; } .justify-center { justify-content: center; } .justify-end { justify-content: flex-end; } .justify-between { justify-content: space-between; } .justify-around { justify-content: space-around; }
.self-center { align-self: center; } .mx-auto { margin-inline: auto; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); } .grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.col-span-2 { grid-column: span 2 / span 2; } .col-span-full { grid-column: 1 / -1; }

.gap-0 { gap: 0; } .gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; } .gap-5 { gap: 20px; } .gap-6 { gap: 24px; } .gap-8 { gap: 32px; } .gap-10 { gap: 40px; } .gap-12 { gap: 48px; }

.m-0 { margin: 0; } .mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 8px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; } .mt-8 { margin-top: 32px; } .mt-12 { margin-top: 48px; }
.mb-2 { margin-bottom: 8px; } .mb-4 { margin-bottom: 16px; } .mb-5 { margin-bottom: 20px; } .mb-6 { margin-bottom: 24px; } .mb-8 { margin-bottom: 32px; } .mb-12 { margin-bottom: 48px; }
.p-0 { padding: 0; } .p-2 { padding: 8px; } .p-4 { padding: 16px; } .p-6 { padding: 24px; } .p-8 { padding: 32px; }
.px-4 { padding-inline: 16px; } .px-6 { padding-inline: 24px; } .py-4 { padding-block: 16px; } .py-8 { padding-block: 32px; } .py-12 { padding-block: 48px; }

.w-full { width: 100%; } .h-full { height: 100%; }
.relative { position: relative; } .overflow-hidden { overflow: hidden; }
.object-cover { object-fit: cover; } .aspect-square { aspect-ratio: 1; } .aspect-video { aspect-ratio: 16 / 9; }
.rounded { border-radius: var(--radius); } .shadow { box-shadow: var(--shadow-card); }

.text-left { text-align: left; } .text-center { text-align: center; } .text-right { text-align: right; }
.text-xs { font-size: 12px; } .text-sm { font-size: 14px; } .text-base { font-size: 17px; } .text-lg { font-size: 20px; } .text-xl { font-size: 24px; }
.font-normal { font-weight: 400; } .font-bold { font-weight: 700; }
.italic { font-style: italic; } .uppercase { text-transform: uppercase; }
.text-primary { color: var(--c-primary); } .text-muted { color: var(--c-muted); } .text-white { color: #fff; }
.bg-white { background: #fff; } .bg-band { background: var(--c-band); }

/* Responsive variants */
@media (min-width: 768px) {
  .md\:flex { display: flex; } .md\:grid { display: grid; } .md\:hidden { display: none; } .md\:block { display: block; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
}
@media (min-width: 1025px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Desktop navigation breakpoint (same as the old theme) */
@media (min-width: 1025px) {
  .nav { display: block; }
  .menu-toggle { display: none; }
  .header-bar { min-height: 0; padding: 0 6px; }
  .nav > ul > li > a { min-height: 50px; }
}

/* Small screens */
@media (max-width: 1024.98px) {
  .site-logo img { width: 398px; }
  .home-hero { min-height: 0; }
}
@media (max-width: 767.98px) {
  :root { --gutter: 1rem; }
  .header-main { min-height: 220px; justify-content: center; text-align: center; }
  .header-main .container { display: flex; justify-content: center; }
  .site-logo img { width: 80vw; }
  .content-box, .speaker-single-body { padding: 1.5rem; }
  .home-hero { padding: 16px; }
  .home-welcome { padding: 24px; }
  .footer-bottom { flex-direction: column; }
  .map iframe { height: 320px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }