/* ==========================================================================
   IHTEC 2027 — site stilleri
   Kimlik: lacivert #00377b, kongre afişindeki "daire" motifi (Sapanca / kampüs kolajı),
   başlık ve arayüzde geometrik Jost, metinde Source Serif 4.
   1. Tokens  2. Base  3. Layout  4. Buttons & links  5. Header & menu
   6. Mobile drawer  7. Heroes  8. Prose  9. Components  10. Speakers
   11. Sidebar  12. Footer  13. Responsive
   ========================================================================== */

/* 1. Tokens */
:root {
	--navy: #00377b;
	--navy-deep: #002452;
	--navy-ink: #0d1e36;
	--halo: #8e9ac8;          /* afişteki lavanta daireler */
	--mist: #eef1f7;          /* afiş zemini */
	--paper: #ffffff;
	--text: #2c3a4d;
	--muted: #5f6d80;
	--line: #d8deea;
	--sans: "Jost", "Futura", "Century Gothic", system-ui, sans-serif;
	--serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
	--container: 1200px;
	--measure: 70ch;
	--header-h: 88px;
	--bg: #f2f4f9;
	--card-shadow: 0 1px 2px rgba(0, 36, 82, .05), 0 14px 32px -24px rgba(0, 36, 82, .35);
}

/* 2. Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 400 17px/1.72 var(--serif); color: var(--text); background: var(--bg); font-optical-sizing: auto; }
img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }
a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { color: var(--navy-deep); text-decoration-thickness: 2px; }
h1, h2, h3, h4, h5, h6 { font-family: var(--sans); color: var(--navy-ink); font-weight: 500; line-height: 1.2; margin: 1.8em 0 .55em; letter-spacing: -.005em; }
::selection { background: #c9d3ee; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; }
.icon { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 1000; background: var(--navy); color: #fff; padding: 8px 14px; font-family: var(--sans); }
.skip-link:focus { left: 8px; }

/* 3. Layout */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 32px; }
.site-main { position: relative; z-index: 2; padding: 0 0 96px; margin-top: -48px; }
.layout { display: grid; gap: 72px; }
.layout.has-sidebar { grid-template-columns: minmax(0, 1fr) 280px; align-items: start; }
.content { min-width: 0; background: var(--paper); border: 1px solid var(--line); border-top: 3px solid var(--navy); border-radius: 4px; padding: clamp(26px, 4vw, 54px); box-shadow: var(--card-shadow); }
.layout:not(.has-sidebar) .content { max-width: none; }

/* 4. Buttons & links */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 13px 26px; border: 1px solid var(--navy); border-radius: 2px; background: var(--navy); color: #fff;
	font: 500 15px/1.2 var(--sans); letter-spacing: .02em; text-decoration: none; cursor: pointer; transition: background .15s, color .15s; }
.btn:hover { background: var(--navy-deep); border-color: var(--navy-deep); color: #fff; text-decoration: none; }
.btn-sm { padding: 10px 20px; font-size: 14.5px; }
.btn-block { display: flex; width: 100%; }
.btn-light, .site-footer .btn-light { background: #fff; color: var(--navy); border-color: #fff; }
.btn-light:hover, .site-footer .btn-light:hover { background: var(--mist); border-color: var(--mist); color: var(--navy-deep); }
.link-quiet { font: 500 15px/1.4 var(--sans); color: var(--navy); text-decoration: underline; text-decoration-color: var(--halo); text-underline-offset: .35em; }
.link-quiet:hover { text-decoration-color: var(--navy); }

/* 5. Header & menu */
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid transparent; transition: border-color .2s; }
.site-header.is-scrolled { border-color: var(--line); }
.header-inner { display: flex; align-items: center; gap: 28px; height: var(--header-h); }
.brand { flex: none; display: block; line-height: 0; }
.brand img { height: 60px; width: auto; }
.main-nav { margin-left: auto; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.menu { display: flex; align-items: center; margin: 0; padding: 0; list-style: none; }
.menu-item { position: relative; }
.menu-link { position: relative; display: inline-flex; align-items: center; gap: 5px; padding: 34px 11px; border: 0; background: none; cursor: pointer;
	font: 400 15.5px/1 var(--sans); color: var(--navy-ink); text-decoration: none; white-space: nowrap; }
.menu-link .icon { width: 12px; height: 12px; stroke-width: 2.2; color: var(--halo); transition: transform .2s; }
.menu-link:hover, .menu-item.is-open > .menu-link { color: var(--navy); text-decoration: none; }
.main-nav .menu-link::after { content: ""; position: absolute; left: 11px; right: 11px; bottom: 24px; height: 2px; background: var(--navy); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.main-nav .menu-item.is-active > .menu-link { color: var(--navy); font-weight: 500; }
.main-nav .menu-item.is-active > .menu-link::after, .main-nav .menu-link:hover::after { transform: scaleX(1); }
.menu-item.is-open > .menu-link .icon { transform: rotate(180deg); }
.submenu { position: absolute; top: 100%; left: 0; min-width: 260px; padding: 10px 0; background: #fff; border: 1px solid var(--line); border-top: 2px solid var(--navy);
	box-shadow: 0 18px 30px -22px rgba(0, 36, 82, .45); opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .16s, transform .16s, visibility .16s; }
.menu-item.is-open > .submenu { opacity: 1; visibility: visible; transform: none; }
.submenu ul { margin: 0; padding: 0; list-style: none; }
.is-wide .submenu { min-width: 500px; }
.is-wide .submenu ul { columns: 2; column-gap: 0; }
.submenu li { break-inside: avoid; }
.submenu a { display: block; padding: 9px 22px; font: 400 15px/1.35 var(--sans); color: var(--navy-ink); text-decoration: none; }
.submenu a:hover { background: var(--mist); color: var(--navy); }
.submenu a.is-active { color: var(--navy); font-weight: 500; box-shadow: inset 2px 0 0 var(--navy); }
.nav-toggle { display: none; width: 44px; height: 44px; padding: 0 11px; border: 1px solid var(--line); background: #fff; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; height: 1.5px; background: var(--navy-ink); }
.nav-toggle span:nth-child(2) { width: 70%; }

/* 6. Mobile drawer */
.drawer-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(13, 30, 54, .4); }
.mobile-drawer { position: fixed; inset: 0 0 0 auto; z-index: 100; width: min(380px, 90vw); display: flex; flex-direction: column; gap: 22px; padding: 18px 24px 28px;
	background: #fff; overflow-y: auto; transform: translateX(100%); transition: transform .26s ease; }
.mobile-drawer.is-open { transform: none; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-head img { height: 50px; width: auto; }
.drawer-close { width: 42px; height: 42px; border: 1px solid var(--line); background: #fff; color: var(--navy-ink); cursor: pointer; display: grid; place-items: center; font-size: 20px; }
.mobile-menu { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.mobile-menu > li { border-bottom: 1px solid var(--line); }
.mobile-menu .menu-link { width: 100%; justify-content: space-between; padding: 15px 0; font-size: 17px; }
.mobile-menu .is-active > .menu-link { color: var(--navy); font-weight: 500; }
.mobile-menu .submenu { position: static; min-width: 0; padding: 0 0 12px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; display: none; }
.mobile-menu .is-open > .submenu { display: block; }
.mobile-menu .is-wide .submenu ul { columns: 1; }
.mobile-menu .submenu a { padding: 8px 14px; }
.drawer-meta { margin: 0; font: 400 14px/1.6 var(--sans); color: var(--muted); }
body.no-scroll { overflow: hidden; }

/* 7. Heroes */
.home-hero { position: relative; overflow: hidden; background: var(--mist) url(../img/bubbles.svg) center / cover no-repeat; border-bottom: 1px solid var(--line); }
.home-hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; padding-block: 56px 112px; }
.hh-hosts { display: flex; align-items: center; gap: 0; margin: 0 0 40px; padding: 0; list-style: none; }
.hh-hosts li { display: flex; align-items: center; padding: 0 22px; border-left: 1px solid rgba(0, 55, 123, .2); }
.hh-hosts li:first-child { padding-left: 0; border-left: 0; }
.hh-hosts img { width: auto; height: 44px; }
.hh-hosts img.seal { height: 66px; }
.hh-title { margin: 0; line-height: 0; }
.hh-title img { width: min(520px, 100%); }
.hh-date { margin: 28px 0 2px; font: 300 clamp(30px, 3.6vw, 44px)/1.1 var(--sans); color: var(--navy); letter-spacing: -.01em; }
.hh-venue { margin: 0; font: 400 18px/1.5 var(--sans); color: var(--navy-ink); }
.hh-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 28px; margin-top: 34px; }
.hh-visual { margin: 0; }
.hh-visual img { display: block; width: 100%; filter: drop-shadow(0 30px 40px rgba(0, 36, 82, .12)); animation: hh-in 1.1s cubic-bezier(.2, .7, .2, 1) both; }
@keyframes hh-in { from { opacity: 0; transform: scale(.96) translateY(12px); } }

.page-hero { position: relative; overflow: hidden; background: var(--mist) url(../img/bubbles.svg) center / cover no-repeat; }
.page-hero::before, .page-hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.page-hero::before { width: 380px; height: 380px; right: 5%; top: -170px; background: rgba(142, 154, 200, .28); }
.page-hero::after { width: 240px; height: 240px; right: calc(6% + 210px); top: 40px; border: 1px solid rgba(0, 55, 123, .25); }
.page-hero .container { position: relative; z-index: 1; padding-block: 48px 104px; }
.page-hero h1 { margin: 6px 0 0; max-width: 18em; font-size: clamp(30px, 4.2vw, 46px); font-weight: 400; color: var(--navy); letter-spacing: -.015em; }
.page-hero .lead { margin: 12px 0 0; font: italic 400 19px/1.5 var(--serif); color: var(--muted); max-width: 40em; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; font: 400 14px/1.4 var(--sans); color: var(--muted); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--navy); text-decoration: underline; }
.breadcrumb > * + *::before { content: "›"; margin-right: 6px; color: var(--halo); }

/* 8. Prose */
.prose > * { max-width: var(--measure); }
.prose > .grid, .prose > .logo-grid, .prose > .gallery, .prose > .table-wrap, .prose > .embed-video, .prose > .embed-map, .prose > .embed-pdf, .prose > .speaker-grid { max-width: none; }
.layout:not(.has-sidebar) .prose > * { max-width: none; }
.prose > :first-child { margin-top: 0; }
.prose > :last-child { margin-bottom: 0; }
.prose p { margin: 0 0 1.1em; }
.prose h2 { font-size: 28px; }
.prose h3 { font-size: 24px; }
.prose h4 { font-size: 21px; color: var(--navy); }
.prose h5 { font-size: 18px; font-weight: 600; }
.prose h6 { font-size: 16px; font-weight: 600; }
.prose h4 strong, .prose h5 strong, .prose h3 strong { font-weight: inherit; }
.prose ul, .prose ol { padding-left: 1.2em; margin: 0 0 1.3em; }
.prose li { margin: .35em 0; padding-left: .2em; }
.prose ul > li::marker { color: var(--halo); content: "●  "; font-size: .6em; }
.prose img { display: inline-block; }
.prose figure { margin: 1.8em 0; }
.prose figcaption { margin-top: 8px; font: italic 15px/1.5 var(--serif); color: var(--muted); }
.prose hr { border: 0; height: 1px; margin: 2.6em 0; background: var(--line); }
.prose blockquote { margin: 2em 0; padding: 0 0 0 26px; border-left: 2px solid var(--navy); font: italic 400 20px/1.55 var(--serif); color: var(--navy-ink); }
.prose blockquote p:last-child { margin: 0; }
.prose iframe { max-width: 100%; border: 0; }
.prose sup, .prose sub { line-height: 0; }

/* 9. Components */
.prose ul.committee { list-style: none; padding: 0; margin: 0; }
.prose ul.committee li { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
.prose ul.committee li:first-child { padding-top: 0; }
.prose ul.committee li:last-child { border-bottom: 0; }
.prose ul.committee li::marker { content: none; }
.prose ul.committee strong { font-family: var(--sans); font-weight: 500; color: var(--navy-ink); }
.prose ul.committee em { color: var(--muted); }
.prose ul.committee .scholar { font: 400 14.5px/1.6 var(--sans); }

.prose .signature { margin-top: 2em; padding-top: 1.2em; border-top: 1px solid var(--line); font-family: var(--sans); line-height: 1.5; color: var(--muted); }
.prose .signature strong { display: inline-block; font-weight: 500; font-size: 18px; color: var(--navy-ink); }

.buttons { display: flex; flex-wrap: wrap; gap: 12px; margin: 1.6em 0; }
.buttons.center, .center { justify-content: center; text-align: center; }
figure.center img, p.center img { margin-inline: auto; }
.text-center { text-align: center; }
.float-right { float: right; margin: 0 0 1em 1.6em; max-width: 45%; }
.float-left { float: left; margin: 0 1.6em 1em 0; max-width: 45%; }

.grid { display: grid; grid-template-columns: var(--cols, repeat(auto-fit, minmax(200px, 1fr))); gap: 32px; margin: 1.8em 0; align-items: start; }
.grid-2 { --cols: repeat(2, minmax(0, 1fr)); }
.grid-3 { --cols: repeat(3, minmax(0, 1fr)); }
.grid-4 { --cols: repeat(4, minmax(0, 1fr)); }
.grid-5 { --cols: repeat(5, minmax(0, 1fr)); gap: 20px; font-size: 15px; line-height: 1.5; }
.col > :first-child { margin-top: 0; }
.col > :last-child { margin-bottom: 0; }

.logo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0; margin: 1.2em 0 1.8em; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.logo-grid > * { display: grid; place-items: center; min-height: 150px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-grid img { max-height: 104px; width: auto; object-fit: contain; }
.page-sponsors .prose > img, .page-sponsors .prose > a, .page-cooperating-institutions .col > img { display: grid; place-items: center; max-width: 340px; padding: 22px; border: 1px solid var(--line); }
.page-sponsors .prose > img { max-height: 170px; width: auto; object-fit: contain; }
.page-sponsors .prose > a img { max-height: 140px; width: auto; }

.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; margin: 1.8em 0; }
.gallery figure { margin: 0; }
.gallery img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.table-wrap { overflow-x: auto; margin: 1.8em 0; }
.table-wrap table { width: 100%; border-collapse: collapse; font: 400 15.5px/1.5 var(--sans); }
.table-wrap td, .table-wrap th { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table-wrap thead td, .table-wrap thead th { border-bottom: 2px solid var(--navy); color: var(--navy-ink); font-weight: 500; }
.table-wrap strong { font-weight: 500; color: var(--navy-ink); }

.embed-video, .embed-map, .embed-pdf { position: relative; margin: 1.8em 0; overflow: hidden; background: var(--mist); }
.embed-video { aspect-ratio: 16 / 9; }
.embed-map { aspect-ratio: 16 / 10; }
.embed-pdf { height: 80vh; min-height: 520px; border: 1px solid var(--line); }
.embed-video iframe, .embed-map iframe, .embed-pdf iframe { position: absolute; inset: 0; width: 100%; height: 100%; }

.accordion { border-bottom: 1px solid var(--line); }
.accordion:first-of-type { border-top: 1px solid var(--line); }
.accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; cursor: pointer; list-style: none; font: 500 18px/1.3 var(--sans); color: var(--navy-ink); }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after { content: "+"; font: 300 26px/1 var(--sans); color: var(--navy); transition: transform .2s; }
.accordion[open] summary::after { transform: rotate(45deg); }
.accordion summary:hover { color: var(--navy); }
.accordion-body { padding: 0 0 18px; }
.accordion-body > ul { padding-left: 0; }
.accordion-body > ul > li { list-style: none; padding-left: 0; }
.accordion-body > ul > li::marker { content: none; }

/* Duyurulacak sayfalar */
.coming-soon { position: relative; display: flex; align-items: center; padding: 20px 0 20px 132px; min-height: 150px; }
.coming-soon::before, .coming-soon::after { content: ""; position: absolute; border-radius: 50%; }
.coming-soon::before { left: 0; top: 20px; width: 96px; height: 96px; background: var(--halo); opacity: .35; }
.coming-soon::after { left: 22px; top: 42px; width: 96px; height: 96px; border: 1px solid var(--navy); opacity: .5; }
.coming-soon p { margin: 0; max-width: none; }
.coming-soon p:first-child { font: 400 clamp(24px, 3vw, 32px)/1.25 var(--sans); color: var(--navy); }
@media (max-width: 640px) { .coming-soon { padding: 130px 0 0; } }

/* 10. Speakers — afişteki gibi kaydırılmış lavanta daire */
.speaker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 48px 32px; }
.speaker-card { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; text-decoration: none; color: inherit; }
.speaker-photo { position: relative; display: block; width: 180px; aspect-ratio: 1; margin-bottom: 18px; }
.speaker-photo::before { content: ""; position: absolute; inset: 0; border-radius: 50%; background: var(--halo); opacity: .45; transform: translate(-10px, 10px); transition: transform .25s; }
.speaker-photo img { position: relative; width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 4px solid #fff; display: block; }
.speaker-card:hover .speaker-photo::before { transform: translate(-14px, 14px); }
.speaker-name { font: 500 19px/1.3 var(--sans); color: var(--navy-ink); }
.speaker-card:hover .speaker-name { color: var(--navy); text-decoration: underline; text-underline-offset: .2em; text-decoration-thickness: 1px; }
.speaker-aff { font: italic 15.5px/1.5 var(--serif); color: var(--muted); }
.speaker-profile { display: flex; align-items: center; gap: 36px; margin-bottom: 40px; }
.speaker-profile .speaker-photo { width: 190px; margin: 0; flex: none; }
.speaker-profile .eyebrow { margin: 0 0 4px; font: 400 15px/1.4 var(--sans); color: var(--muted); }
.speaker-profile h2 { margin: 0 0 4px; font-size: 30px; font-weight: 400; color: var(--navy); }
.speaker-profile p { margin: 0; }
.speaker-profile div > p:last-child { font-style: italic; color: var(--muted); }

/* 11. Sidebar */
.sidebar { display: grid; gap: 24px; position: sticky; top: calc(var(--header-h) + 24px); font-family: var(--sans); }
.side-block { background: var(--paper); border: 1px solid var(--line); border-radius: 4px; padding: 24px 26px 18px; box-shadow: var(--card-shadow); }
.side-block h2 { margin: 0 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--navy); font-size: 18px; font-weight: 500; color: var(--navy); }
.side-media { display: block; margin-bottom: 16px; background: var(--mist); padding: 14px; }
.dates { margin: 0; padding: 0; list-style: none; }
.dates li { display: grid; gap: 1px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.dates time { font-size: 16.5px; font-weight: 500; color: var(--navy-ink); font-variant-numeric: tabular-nums; }
.dates span { font-size: 14.5px; line-height: 1.4; color: var(--muted); }
.dates li:last-child { border-bottom: 0; }
.dates .is-event { padding-top: 14px; }
.dates .is-event time { color: var(--navy); font-size: 20px; font-weight: 400; }

/* 12. Footer */
.site-footer { background: var(--navy); color: rgba(255, 255, 255, .78); font: 400 15.5px/1.6 var(--sans); }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: .25em; }
.footer-top { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 32px; padding: 72px 0 48px; border-bottom: 1px solid rgba(255, 255, 255, .18); }
.footer-wordmark { width: 340px; height: auto; }
.footer-when { text-align: right; }
.footer-when p { margin: 0; }
.footer-date { font-size: 34px; font-weight: 300; line-height: 1.1; color: #fff; }
.footer-when .btn { margin-top: 20px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; padding: 44px 0; }
.site-footer h3 { margin: 0 0 14px; color: rgba(255, 255, 255, .6); font-size: 14.5px; font-weight: 400; }
.footer-grid ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 7px; }
.footer-socials { display: flex; gap: 18px; margin-top: 6px; }
.footer-note { margin: 22px 0 10px; font-size: 14px; color: rgba(255, 255, 255, .6); }
.logo-plate { display: inline-grid; place-items: center; height: 72px; padding: 10px 18px; background: #fff; }
.logo-plate img { width: auto; height: 34px; }
.logo-plate img.tall { height: 52px; }
.footer-logos { display: flex; flex-wrap: wrap; gap: 32px 64px; padding: 36px 0; border-top: 1px solid rgba(255, 255, 255, .18); }
.logo-row { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 20px 0 26px; border-top: 1px solid rgba(255, 255, 255, .18); font-size: 14px; color: rgba(255, 255, 255, .6); }
.footer-bottom p { margin: 0; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 24px; background: rgba(0, 20, 48, .9); cursor: zoom-out; }
.lightbox img { max-width: 100%; max-height: 92vh; }

/* 13. Responsive */
@media (max-width: 1360px) {
	.header-inner { gap: 16px; }
	.menu-link { padding-inline: 8px; font-size: 15px; }
	.main-nav .menu-link::after { left: 8px; right: 8px; }
}
@media (max-width: 1220px) {
	.main-nav { display: none; }
	.header-actions { margin-left: auto; }
	.nav-toggle { display: flex; }
	.layout.has-sidebar { grid-template-columns: 1fr; gap: 56px; }
	.sidebar { position: static; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 40px; }
	}
@media (max-width: 900px) {
	.home-hero-grid { grid-template-columns: 1fr; padding-block: 36px 80px; gap: 28px; }
	.hh-visual { order: -1; max-width: 560px; }
	.footer-grid { grid-template-columns: 1fr 1fr; }
	.footer-when { text-align: left; }
}
@media (max-width: 640px) {
	:root { --header-h: 66px; }
	body { font-size: 16.5px; }
	.container { padding-inline: 20px; }
	.brand img { height: 46px; }
	.hh-hosts li { padding: 0 14px; }
	.hh-hosts img { height: 32px; }
	.hh-hosts img.seal { height: 48px; }
	.site-main { margin-top: -32px; }
	.page-hero .container { padding-block: 36px 70px; }
	.header-actions .btn { display: none; }
	.site-main { padding-bottom: 64px; }
	.content { padding: 24px 20px; }
	.hh-hosts { margin-bottom: 28px; }
	.page-hero::after { display: none; }
	.page-hero::before { width: 220px; height: 220px; right: -60px; top: -90px; }
	.grid, .grid[style] { --cols: 1fr; }
	.grid-5, .grid-4 { --cols: repeat(2, minmax(0, 1fr)); }
	.float-right, .float-left { float: none; margin: 1em 0; max-width: 100%; }
	.speaker-profile { flex-direction: column; align-items: flex-start; gap: 24px; }
	.speaker-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 36px 20px; }
	.speaker-photo { width: 140px; }
	.footer-grid { grid-template-columns: 1fr; gap: 28px; }
	.footer-wordmark { width: 260px; }
}
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}