/* ==========================================================================
   Ulusal İntegratif Tıp Kongresi — site stilleri
   Renkler panelden (Site Ayarları → Görseller & Renk) değiştirilebilir.
   ========================================================================== */
:root {
    --primary: #9b1c2c;
    --primary-700: color-mix(in srgb, var(--primary) 78%, #000);
    --primary-900: color-mix(in srgb, var(--primary) 45%, #12060a);
    --primary-50: color-mix(in srgb, var(--primary) 7%, #fff);
    --accent: #f5a524;
    --accent-700: color-mix(in srgb, var(--accent) 80%, #000);
    --secondary: #7a2a7c;
    --ink: #221b2b;
    --ink-2: #4a4352;
    --muted: #7b7383;
    --line: #ece4df;
    --bg: #fbf8f6;
    --surface: #ffffff;
    --tint: #f6efeb;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow-sm: 0 1px 2px rgba(34, 27, 43, .06), 0 2px 8px rgba(34, 27, 43, .05);
    --shadow: 0 10px 30px -12px rgba(60, 20, 30, .22), 0 2px 6px rgba(34, 27, 43, .05);
    --shadow-lg: 0 30px 60px -20px rgba(60, 15, 25, .35);
    --font: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
    --display: "Oswald", "Poppins", sans-serif;
    --nav-h: 76px;
    --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 16px; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }

.container { width: min(1200px, 100% - 32px); margin-inline: auto; }
.container--narrow { width: min(820px, 100% - 32px); }

.icon { width: 1.25em; height: 1.25em; flex: none; }
.icon--sm { width: 1em; height: 1em; }
.icon--xl { width: 48px; height: 48px; }
.icon--flip { transform: rotate(180deg); }

/* ---------- Buttons & chips ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55em; padding: .8em 1.4em; border-radius: 999px; font-weight: 600; font-size: .95rem; line-height: 1.2; transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s; white-space: nowrap; border: 2px solid transparent; }
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: .6em 1.1em; font-size: .85rem; }
.btn--lg { padding: 1em 1.8em; font-size: 1.02rem; }
.btn--accent { background: var(--accent); color: #2a1600; box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn--accent:hover { background: color-mix(in srgb, var(--accent) 88%, #fff); box-shadow: 0 14px 30px -10px color-mix(in srgb, var(--accent) 90%, transparent); }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 10px 24px -12px var(--primary); }
.btn--primary:hover { background: var(--primary-700); }
.btn--ghost { color: #fff; border-color: rgba(255,255,255,.35); background: rgba(255,255,255,.06); backdrop-filter: blur(6px); }
.btn--ghost:hover { background: rgba(255,255,255,.16); border-color: rgba(255,255,255,.6); }
.btn--outline { border-color: var(--primary); color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: #fff; }
.btn--light { background: #fff; color: var(--primary); }
.btn.is-disabled { opacity: .85; cursor: default; transform: none; }

.chip { display: inline-flex; align-items: center; gap: .5em; padding: .4em .9em; border-radius: 999px; font-size: .8rem; font-weight: 600; letter-spacing: .02em; }
.chip--light { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.22); backdrop-filter: blur(6px); }
.chip--accent { background: color-mix(in srgb, var(--accent) 20%, transparent); color: #ffd58f; border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: #3ee08f; box-shadow: 0 0 0 0 rgba(62,224,143,.7); animation: pulse 1.8s infinite; flex: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(62,224,143,0); } 100% { box-shadow: 0 0 0 0 rgba(62,224,143,0); } }

.badge { display: inline-block; padding: .28em .75em; border-radius: 999px; font-size: .72rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase; background: var(--primary-50); color: var(--primary); }
.badge--keynote, .badge--opening, .badge--closing { background: var(--primary); color: #fff; }
.badge--panel { background: color-mix(in srgb, var(--accent) 22%, #fff); color: #8a5300; }
.badge--workshop, .badge--case { background: color-mix(in srgb, var(--secondary) 12%, #fff); color: var(--secondary); }
.badge--abstract, .badge--qa { background: #eef3f7; color: #2d5873; }

/* ---------- Navigation ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h); transition: background .3s, box-shadow .3s, height .3s; }
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; min-width: 0; }
.brand img { width: 48px; height: 48px; border-radius: 50%; box-shadow: 0 4px 14px rgba(0,0,0,.25); }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-family: var(--display); font-weight: 500; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; opacity: .85; }
.brand__text span { font-family: var(--display); font-weight: 600; font-size: 1.12rem; letter-spacing: .02em; text-transform: uppercase; white-space: nowrap; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a:not(.btn) { color: rgba(255,255,255,.88); font-size: .9rem; font-weight: 500; padding: .5em .8em; border-radius: 999px; transition: background .2s, color .2s; }
.nav__links a:not(.btn):hover { background: rgba(255,255,255,.12); color: #fff; }
.nav__links a.is-current:not(.btn) { color: var(--accent); }
.nav__live { display: inline-flex; align-items: center; gap: 6px; }
.nav__cta { margin-left: 8px; }
.nav__toggle { display: none; color: #fff; width: 44px; height: 44px; border-radius: 12px; align-items: center; justify-content: center; }
.nav__toggle .icon { width: 26px; height: 26px; }
.nav.is-scrolled, .is-inner .nav { background: rgba(255,255,255,.92); backdrop-filter: saturate(160%) blur(14px); box-shadow: 0 1px 0 var(--line), 0 8px 30px -18px rgba(0,0,0,.25); }
.nav.is-scrolled { height: 66px; }
.nav.is-scrolled .brand, .is-inner .nav .brand, .nav.is-scrolled .nav__toggle, .is-inner .nav .nav__toggle { color: var(--ink); }
.nav.is-scrolled .brand img { width: 42px; height: 42px; }
.nav.is-scrolled .nav__links a:not(.btn), .is-inner .nav .nav__links a:not(.btn) { color: var(--ink-2); }
.nav.is-scrolled .nav__links a:not(.btn):hover, .is-inner .nav .nav__links a:not(.btn):hover { background: var(--primary-50); color: var(--primary); }
.nav.is-scrolled .nav__links a.is-current:not(.btn) { color: var(--primary); background: var(--primary-50); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; padding: calc(var(--nav-h) + 56px) 0 0; background: radial-gradient(120% 90% at 85% 10%, color-mix(in srgb, var(--secondary) 55%, transparent) 0%, transparent 55%), linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 45%, var(--primary) 100%); overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: var(--hero-img, none) center/cover no-repeat; opacity: .18; mix-blend-mode: luminosity; }
.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .55; }
.hero__orb--1 { width: 520px; height: 520px; right: -120px; top: -140px; background: color-mix(in srgb, var(--accent) 55%, transparent); opacity: .28; animation: float 14s ease-in-out infinite; }
.hero__orb--2 { width: 420px; height: 420px; left: -160px; bottom: -120px; background: var(--secondary); opacity: .45; animation: float 18s ease-in-out infinite reverse; }
.hero__stripes { position: absolute; right: -90px; top: 38%; width: 320px; height: 320px; border-radius: 50%; background: repeating-linear-gradient(-45deg, rgba(255,255,255,.55) 0 7px, transparent 7px 22px); -webkit-mask: radial-gradient(circle, #000 64%, transparent 65%); mask: radial-gradient(circle, #000 64%, transparent 65%); opacity: .35; animation: spin 60s linear infinite; }
.hero__grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px); background-size: 56px 56px; -webkit-mask: radial-gradient(70% 60% at 30% 40%, #000, transparent); mask: radial-gradient(70% 60% at 30% 40%, #000, transparent); }
@keyframes float { 50% { transform: translate(30px, 40px) scale(1.06); } }
@keyframes spin { to { transform: rotate(360deg); } }

.hero__inner { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 56px; align-items: center; padding-bottom: 64px; }
.hero__badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.hero__title { display: flex; flex-direction: column; font-family: var(--display); text-transform: uppercase; line-height: 1.02; margin-bottom: 20px; }
.hero__edition { font-weight: 500; font-size: clamp(1.4rem, 3vw, 2.2rem); letter-spacing: .06em; color: #ffd58f; text-transform: none; font-family: var(--font); }
.hero__name { font-weight: 700; font-size: clamp(2.6rem, 6.6vw, 5.4rem); letter-spacing: .01em; text-wrap: balance; background: linear-gradient(180deg, #fff 60%, #ffe6ea); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__co { display: flex; align-items: center; gap: 10px; margin: -6px 0 22px; font-size: clamp(.92rem, 1.5vw, 1.05rem); font-weight: 500; color: rgba(255,255,255,.9); line-height: 1.4; }
.hero__co-amp { display: grid; place-items: center; flex: none; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: #2a1600; font-family: var(--display); font-weight: 700; font-size: 1rem; }
.hero__co em { font-style: normal; color: rgba(255,255,255,.65); font-weight: 400; }
.hero__theme { font-size: clamp(1.05rem, 2vw, 1.3rem); margin-bottom: 18px; display: flex; flex-direction: column; gap: 2px; padding-left: 16px; border-left: 3px solid var(--accent); }
.hero__theme strong { font-weight: 600; }
.hero__theme em { color: rgba(255,255,255,.82); }
.hero__date { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 1.05rem; margin-bottom: 18px; color: rgba(255,255,255,.92); }
.hero__date > span:not(.sep) { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.hero__date b { color: #ffd58f; font-weight: 700; }
.hero__date .sep { opacity: .35; margin: 0 4px; }
.hero__lead { max-width: 60ch; color: rgba(255,255,255,.85); font-size: 1.04rem; margin-bottom: 28px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 16px; }
.hero__note { display: flex; align-items: center; gap: 14px; max-width: 540px; margin-top: 8px; padding: 14px 18px; border-radius: 16px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); backdrop-filter: blur(8px); }
.hero__note-icon { display: grid; place-items: center; flex: none; width: 42px; height: 42px; border-radius: 12px; background: color-mix(in srgb, var(--accent) 22%, transparent); color: #ffd58f; }
.hero__note-icon .icon { width: 22px; height: 22px; }
.hero__note p { margin: 0; line-height: 1.45; }
.hero__note b { display: block; font-size: .95rem; font-weight: 600; color: #fff; }
.hero__note p span { display: block; margin-top: 2px; font-size: .85rem; color: rgba(255,255,255,.72); }

.countdown { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-radius: 26px; padding: 26px; box-shadow: var(--shadow-lg); }
.countdown__label { font-size: .85rem; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.75); margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }
.countdown__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.countdown__item { position: relative; aspect-ratio: 1; border-radius: 50%; display: grid; place-content: center; text-align: center; background: rgba(0,0,0,.18); }
.countdown__item::before { content: ""; position: absolute; inset: 0; border-radius: 50%; padding: 3px; background: conic-gradient(from 210deg, var(--c1), var(--c2)); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.countdown__item--1 { --c1: #b55bd0; --c2: #7a2a7c; }
.countdown__item--2 { --c1: #ff5a6e; --c2: #c41d3a; }
.countdown__item--3 { --c1: #9b6cff; --c2: #6a3fd1; }
.countdown__item--4 { --c1: #ffc14d; --c2: #f08a00; }
.countdown__item b { font-family: var(--display); font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; }
.countdown__item span { font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; color: rgba(255,255,255,.75); margin-top: 4px; }
.countdown__date { margin: 18px 0 0; font-size: .85rem; color: rgba(255,255,255,.75); display: flex; align-items: center; gap: 8px; }
.countdown--live { display: grid; gap: 14px; justify-items: start; }

.hero__orgs { margin-top: 26px; display: flex; align-items: center; gap: 16px; }
.hero__orgs > span { font-size: .75rem; text-transform: uppercase; letter-spacing: .14em; color: rgba(255,255,255,.65); }
.hero__orgs div { display: flex; gap: 12px; }
.hero__orgs img { width: 72px; height: 72px; border-radius: 50%; background: #fff; padding: 3px; box-shadow: 0 8px 20px rgba(0,0,0,.25); transition: transform .3s var(--ease); }
.hero__orgs img:hover { transform: translateY(-4px) rotate(-4deg); }

.facts { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; background: var(--surface); color: var(--ink); border-radius: var(--radius) var(--radius) 0 0; box-shadow: 0 -20px 40px -24px rgba(0,0,0,.4); }
.fact { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact > .icon { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--primary-50); color: var(--primary); }
.fact small { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.fact b { font-weight: 600; font-size: .98rem; }

/* ---------- Sections ---------- */
.section { padding: clamp(64px, 9vw, 112px) 0; position: relative; }
.section--tint { background: var(--tint); }
.section--dark { background: radial-gradient(80% 120% at 100% 0%, color-mix(in srgb, var(--secondary) 45%, transparent), transparent 60%), linear-gradient(160deg, var(--primary-900), var(--primary-700)); color: #fff; overflow: hidden; }
.section__head { max-width: 680px; margin-bottom: 44px; }
.section__head--row { max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.section__head--row > div { max-width: 680px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--primary); margin-bottom: 10px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); border-radius: 2px; }
.section--dark .eyebrow, .eyebrow--light { color: #ffd58f; }
.title { font-family: var(--display); font-weight: 600; font-size: clamp(2rem, 4.2vw, 3rem); text-transform: uppercase; letter-spacing: .01em; color: var(--ink); margin-bottom: 12px; }
.title--sm { font-size: 1.5rem; }
.section--dark .title { color: #fff; }
.lead { font-size: 1.08rem; color: var(--ink-2); margin: 0; }
.section--dark .lead { color: rgba(255,255,255,.8); }
.link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; margin-top: 12px; }

.empty { display: grid; justify-items: center; gap: 14px; text-align: center; padding: 56px 24px; border: 2px dashed var(--line); border-radius: var(--radius); color: var(--muted); background: var(--surface); }
.empty .icon { color: var(--primary); opacity: .6; }
.empty p { margin: 0; max-width: 52ch; font-size: 1.05rem; }
.empty--sm { padding: 24px; }

/* About */
.about__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.4fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.about__aside { position: sticky; top: calc(var(--nav-h) + 24px); }
.about__theme { font-size: 1.25rem; line-height: 1.5; color: var(--ink-2); margin: 8px 0 32px; font-weight: 500; }
.about__theme em { color: var(--primary); font-style: normal; font-weight: 600; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 18px; box-shadow: var(--shadow-sm); }
.stat b { display: block; font-family: var(--display); font-size: 2.1rem; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 6px; }
.stat span { font-size: .85rem; color: var(--muted); }
.prose { font-size: 1.04rem; color: var(--ink-2); }
.prose p { margin-bottom: 1.1em; }
.prose strong { color: var(--ink); }
.prose a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.prose h2, .prose h3 { color: var(--ink); margin: 1.4em 0 .6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose blockquote { margin: 1.6em 0; padding: 22px 26px; background: linear-gradient(135deg, var(--primary-50), #fff); border-left: 4px solid var(--primary); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 1.12rem; color: var(--ink); }
.prose blockquote p:last-child { margin: 0; }
.prose img { border-radius: var(--radius-sm); margin: 1.4em 0; }
.about__body > p:first-child { font-size: 1.15rem; color: var(--ink); }
.about__sign { font-style: italic; color: var(--muted); }

/* Topics */
.topic-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.topic { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.topic:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.topic__icon { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; margin-bottom: 16px; box-shadow: 0 8px 18px -8px var(--primary); }
.topic h3 { font-size: 1.08rem; font-weight: 600; margin-bottom: 6px; }
.topic p { font-size: .92rem; color: var(--muted); margin: 0; }

/* Featured sessions */
.featured-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.session-card { position: relative; display: flex; flex-direction: column; gap: 14px; background: var(--surface); border-radius: var(--radius); padding: 26px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .3s var(--ease), box-shadow .3s var(--ease); overflow: hidden; }
.session-card::after { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(.18); transform-origin: left; transition: transform .4s var(--ease); }
.session-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.session-card:hover::after { transform: scaleX(1); }
.session-card__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.session-card__time { display: inline-flex; align-items: center; gap: 6px; font-size: .82rem; color: var(--muted); font-weight: 500; }
.session-card h3 { font-size: 1.18rem; font-weight: 600; line-height: 1.4; }
.session-card__people { display: flex; align-items: center; gap: 10px; font-size: .86rem; color: var(--ink-2); }
.session-card__more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--primary); }

/* Avatars */
.avatar { border-radius: 50%; object-fit: cover; background: var(--tint); flex: none; }
.avatar--sm { width: 34px; height: 34px; }
.avatar--md { width: 56px; height: 56px; }
.avatar--xl { width: 100%; height: 100%; }
.avatar--initials { display: grid; place-items: center; color: #fff; font-weight: 600; font-family: var(--display); letter-spacing: .04em; background: linear-gradient(135deg, hsl(calc(340 + var(--h, 0) * 14) 62% 42%), hsl(calc(290 + var(--h, 0) * 10) 45% 36%)); }
.avatar--sm.avatar--initials { font-size: .72rem; }
.avatars { display: flex; }
.avatars .avatar { border: 2px solid #fff; margin-left: -10px; }
.avatars .avatar:first-child { margin-left: 0; }

/* Speakers */
.speaker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 22px; }
.speaker { display: flex; flex-direction: column; align-items: center; text-align: center; background: var(--surface); border-radius: var(--radius); padding: 28px 18px 24px; border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.speaker:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.speaker__photo { position: relative; width: 132px; height: 132px; border-radius: 50%; padding: 4px; background: conic-gradient(from 140deg, var(--primary), var(--accent), var(--secondary), var(--primary)); margin-bottom: 18px; }
.speaker__photo .avatar { border: 4px solid #fff; font-size: 2rem; }
.speaker__name { font-weight: 600; font-size: 1.04rem; line-height: 1.35; }
.speaker__disc { display: block; font-size: .85rem; color: var(--primary); font-weight: 500; margin-top: 4px; }
.speaker__inst { display: block; font-size: .8rem; color: var(--muted); margin-top: 2px; }

/* Disciplines */
.disc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.disc { position: relative; padding: 28px; border-radius: var(--radius); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(6px); transition: background .3s, transform .3s var(--ease); }
.disc:hover { background: rgba(255,255,255,.11); transform: translateY(-4px); }
.disc__num { position: absolute; right: 22px; top: 18px; font-family: var(--display); font-size: 2.6rem; font-weight: 700; color: rgba(255,255,255,.08); line-height: 1; }
.disc__icon { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 14px; background: var(--accent); color: #3b1d00; margin-bottom: 18px; }
.disc h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
.disc p { margin: 0; color: rgba(255,255,255,.75); font-size: .93rem; }

/* Program */
.tabs { display: flex; gap: 12px; margin-bottom: 22px; overflow-x: auto; padding-bottom: 14px; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { flex: 1 0 180px; display: grid; gap: 2px; text-align: left; padding: 16px 20px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); transition: all .25s var(--ease); position: relative; }
.tab__day { font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); }
.tab__date { font-family: var(--display); font-weight: 600; font-size: 1.5rem; text-transform: uppercase; color: var(--ink); }
.tab small { color: var(--muted); font-size: .82rem; }
.tab:hover { border-color: var(--primary); }
.tab.is-active { background: var(--primary); border-color: var(--primary); box-shadow: 0 14px 28px -14px var(--primary); }
.tab.is-active * { color: #fff; }
.tab.is-active::after { content: ""; position: absolute; left: 24px; bottom: -8px; width: 16px; height: 16px; background: var(--primary); transform: rotate(45deg); border-radius: 3px; }
.timeline { display: none; }
.timeline.is-active { display: grid; gap: 12px; animation: fade .4s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }
.timeline__theme { display: flex; align-items: center; gap: 8px; color: var(--secondary); font-weight: 600; margin: 0 0 6px; }
.slot { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: stretch; }
.slot__time { display: flex; flex-direction: column; align-items: flex-end; padding-top: 22px; font-variant-numeric: tabular-nums; position: relative; padding-right: 22px; border-right: 2px solid var(--line); }
.slot__time::after { content: ""; position: absolute; right: -7px; top: 27px; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 3px solid var(--primary); }
.slot__time b { font-family: var(--display); font-size: 1.35rem; font-weight: 600; color: var(--ink); line-height: 1; }
.slot__time span { font-size: .85rem; color: var(--muted); margin-top: 4px; }
.slot__card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px 24px; transition: box-shadow .25s, border-color .25s; }
.slot__card:hover { box-shadow: var(--shadow); border-color: transparent; }
.slot--featured .slot__card { border-color: color-mix(in srgb, var(--accent) 60%, transparent); background: linear-gradient(135deg, #fffaf0, #fff 60%); }
.slot--featured .slot__time::after { border-color: var(--accent); background: var(--accent); }
.slot__meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 10px; }
.slot__hall { font-size: .8rem; color: var(--muted); }
.slot__star { display: inline-flex; align-items: center; gap: 5px; font-size: .78rem; font-weight: 600; color: #a86800; }
.slot__card h3 { font-size: 1.12rem; font-weight: 600; line-height: 1.4; margin-bottom: 6px; }
.slot__mod, .slot__desc { font-size: .9rem; color: var(--ink-2); margin: 6px 0 0; }
.slot__speakers { list-style: none; padding: 0; margin: 14px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.slot__speakers button { display: flex; align-items: center; gap: 10px; text-align: left; padding: 6px 14px 6px 6px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); transition: border-color .2s, background .2s; }
.slot__speakers button:hover { border-color: var(--primary); background: var(--primary-50); }
.slot__speakers b { display: block; font-size: .86rem; font-weight: 600; line-height: 1.2; }
.slot__speakers small { display: block; font-size: .74rem; color: var(--muted); }
.slot__extra { display: inline-flex; align-items: center; gap: 6px; font-size: .86rem; padding: 8px 14px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); }
.slot--break { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center; }
.slot--break .slot__time { flex-direction: row; justify-content: flex-end; padding: 6px 22px 6px 0; font-size: .82rem; color: var(--muted); }
.slot--break .slot__time::after { top: 50%; transform: translateY(-50%); width: 8px; height: 8px; right: -5px; border-width: 2px; border-color: var(--line); }
.slot__break { font-size: .85rem; font-weight: 500; color: var(--muted); padding: 8px 18px; border-radius: 999px; background: repeating-linear-gradient(-45deg, var(--tint) 0 8px, transparent 8px 16px); border: 1px dashed var(--line); justify-self: start; }

/* Committees */
.committee-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.committee { background: var(--surface); border-radius: var(--radius); padding: 26px; border: 1px solid var(--line); }
.committee--wide { grid-column: 1 / -1; }
.committee--wide ul { columns: 3 260px; column-gap: 32px; }
.committee h3 { font-family: var(--display); font-weight: 600; font-size: 1.2rem; text-transform: uppercase; letter-spacing: .03em; color: var(--primary); padding-bottom: 12px; margin-bottom: 12px; border-bottom: 2px solid var(--tint); }
.committee ul { list-style: none; margin: 0; padding: 0; }
.committee li { padding: 8px 0; break-inside: avoid; }
.committee li b { display: block; font-weight: 600; font-size: .95rem; }
.committee li span { display: block; font-size: .82rem; color: var(--muted); }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.news { background: var(--surface); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s; }
.news:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.news img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.news__body { padding: 22px; }
.news time { font-size: .8rem; color: var(--muted); }
.news h3 { font-size: 1.1rem; font-weight: 600; margin: 6px 0 8px; }
.news p { font-size: .92rem; color: var(--ink-2); }

/* Documents */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.doc { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: border-color .2s, box-shadow .2s, transform .2s; }
.doc:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px); }
.doc__icon { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 12px; background: var(--primary-50); color: var(--primary); flex: none; }
.doc__text { flex: 1; min-width: 0; }
.doc__text b { display: block; font-weight: 600; }
.doc__text small { display: block; color: var(--muted); font-size: .84rem; }
.doc__ext { font-size: .7rem; font-weight: 700; color: var(--muted); border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; }
.doc__dl { color: var(--primary); }

/* Partners */
.partner-group { margin-bottom: 40px; }
.partner-group:last-child { margin-bottom: 0; }
.partner-group__title { font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); text-align: center; margin-bottom: 20px; display: flex; align-items: center; gap: 16px; }
.partner-group__title::before, .partner-group__title::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.partner-group__tier { text-align: center; font-weight: 600; color: var(--primary); margin: 0 0 12px; }
.partner-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-bottom: 18px; }
.partner { display: grid; place-items: center; gap: 12px; width: 210px; min-height: 120px; padding: 20px; background: var(--surface); border-radius: var(--radius-sm); border: 1px solid var(--line); transition: transform .3s var(--ease), box-shadow .3s; text-align: center; }
.partner:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.partner img { max-height: 80px; width: auto; object-fit: contain; filter: grayscale(.15); transition: filter .3s; }
.partner:hover img { filter: none; }
.partner-group--organizer .partner { width: 300px; padding: 28px; }
.partner-group--organizer .partner img { max-height: 120px; }
.partner span { font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.sponsor-invite { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 12px; padding: 28px 32px; border-radius: var(--radius); background: var(--surface); border: 2px dashed color-mix(in srgb, var(--primary) 30%, var(--line)); }
.sponsor-invite h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 4px; }
.sponsor-invite p { margin: 0; color: var(--muted); }

/* FAQ */
.faq__grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.4fr); gap: clamp(28px, 6vw, 80px); align-items: start; }
.faq__list { display: grid; gap: 12px; }
.qa { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: box-shadow .2s, border-color .2s; }
.qa[open] { box-shadow: var(--shadow); border-color: transparent; }
.qa summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 24px; font-weight: 600; cursor: pointer; }
.qa summary::-webkit-details-marker { display: none; }
.qa__chev { transition: transform .3s var(--ease); color: var(--primary); }
.qa[open] .qa__chev { transform: rotate(180deg); }
.qa__a { padding: 0 24px 22px; color: var(--ink-2); }

/* CTA */
.cta { padding: 0 0 clamp(64px, 9vw, 112px); }
.cta__box { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; padding: clamp(36px, 6vw, 64px); border-radius: 28px; color: #fff; background: radial-gradient(90% 140% at 100% 0%, color-mix(in srgb, var(--accent) 35%, transparent), transparent 55%), linear-gradient(120deg, var(--primary-900), var(--primary) 60%, var(--secondary)); box-shadow: var(--shadow-lg); isolation: isolate; }
.cta__stripes { position: absolute; z-index: -1; right: -60px; bottom: -80px; width: 280px; height: 280px; border-radius: 50%; background: repeating-linear-gradient(-45deg, rgba(255,255,255,.4) 0 6px, transparent 6px 18px); opacity: .3; }
.cta__text { max-width: 640px; }
.cta h2 { font-family: var(--display); font-weight: 700; text-transform: uppercase; font-size: clamp(2.2rem, 5vw, 3.6rem); margin: 4px 0 10px; }
.cta p { color: rgba(255,255,255,.88); font-size: 1.1rem; margin-bottom: 10px; }
.cta__note { display: flex; align-items: center; gap: 8px; font-size: .95rem !important; color: #ffd58f !important; font-weight: 500; margin: 0 !important; }

/* Footer */
.footer { background: #1a1220; color: rgba(255,255,255,.75); padding: 64px 0 0; font-size: .94rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 44px; }
.footer__logos { display: flex; gap: 12px; margin-bottom: 18px; }
.footer__logos img { width: 64px; height: 64px; border-radius: 50%; background: #fff; padding: 2px; }
.footer__title { font-family: var(--display); font-size: 1.35rem; text-transform: uppercase; color: #fff; margin-bottom: 6px; }
.footer__co { color: #ffd58f; font-size: .9rem; font-weight: 500; margin: -2px 0 8px; }
.footer__muted { color: rgba(255,255,255,.55); font-size: .88rem; }
.footer__h { font-size: .78rem; text-transform: uppercase; letter-spacing: .16em; color: #fff; margin-bottom: 18px; }
.footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer__list li, .footer__list a { display: flex; align-items: center; gap: 10px; }
.footer__list .icon { color: var(--accent); }
.footer__list a:hover { color: #fff; }
.footer__social { display: flex; gap: 10px; margin-top: 18px; }
.footer__social a { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,.07); transition: background .2s, color .2s; }
.footer__social a:hover { background: var(--accent); color: #2a1600; }
.footer__bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08); font-size: .82rem; color: rgba(255,255,255,.5); }
.footer__links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer__links a:hover { color: #fff; }

.to-top { position: fixed; right: 20px; bottom: 20px; z-index: 40; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: #fff; box-shadow: var(--shadow); opacity: 0; transform: translateY(16px); pointer-events: none; transition: all .3s var(--ease); }
.to-top .icon { transform: rotate(-45deg); }
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.wa { position: fixed; left: 20px; bottom: 20px; z-index: 40; width: 52px; height: 52px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: var(--shadow); }
.wa svg { width: 28px; height: 28px; }

/* Modal */
.modal { width: min(640px, calc(100% - 32px)); max-height: calc(100dvh - 48px); border: 0; border-radius: 22px; padding: 0; box-shadow: var(--shadow-lg); color: var(--ink); }
.modal::backdrop { background: rgba(26, 10, 18, .6); backdrop-filter: blur(4px); }
.modal[open] { animation: pop .3s var(--ease); }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.98); } }
.modal__close { position: absolute; right: 14px; top: 14px; width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; background: var(--tint); }
.modal__close:hover { background: var(--primary-50); color: var(--primary); }
.modal__body { padding: 32px; }
.modal__speaker { display: flex; align-items: center; gap: 20px; margin-bottom: 20px; padding-right: 40px; }
.modal__photo { width: 104px; height: 104px; flex: none; border-radius: 50%; padding: 3px; background: conic-gradient(var(--primary), var(--accent), var(--secondary), var(--primary)); }
.modal__photo .avatar { border: 3px solid #fff; font-size: 1.6rem; }
.modal__speaker h3 { font-size: 1.3rem; font-weight: 600; }
.modal__speaker p { margin: 0; }
.modal__bio { color: var(--ink-2); font-size: .96rem; margin-bottom: 20px; }
.modal__h { font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); margin-bottom: 10px; }
.modal__sessions { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.modal__sessions li { padding: 12px 16px; border-radius: var(--radius-sm); background: var(--bg); border: 1px solid var(--line); font-weight: 500; }
.modal__sessions span { display: block; font-size: .8rem; color: var(--primary); font-weight: 600; }

/* Inner pages */
.page-hero { padding: calc(var(--nav-h) + 56px) 0 48px; background: linear-gradient(135deg, var(--primary-900), var(--primary)); color: #fff; }
.page-hero h1 { font-family: var(--display); font-weight: 600; text-transform: uppercase; font-size: clamp(2rem, 4.5vw, 3.2rem); margin: 12px 0 8px; }
.page-hero time { color: rgba(255,255,255,.75); }
.back { display: inline-flex; align-items: center; gap: 6px; font-size: .88rem; color: rgba(255,255,255,.8); }
.back:hover { color: #fff; }
.section--page { padding-top: 56px; }
.page-cover { width: 100%; border-radius: var(--radius); margin-bottom: 28px; }
.others { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.others a { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line); font-weight: 500; }
.others a:hover { border-color: var(--primary); color: var(--primary); }
.error-page { min-height: 100vh; display: grid; place-items: center; text-align: center; padding: 24px; }
.error-page b { font-family: var(--display); font-size: 7rem; color: var(--primary); line-height: 1; }
.error-page h1 { margin: 10px 0 24px; font-size: 1.4rem; }

/* Dosyalar açılır menüsü */
.dropdown { position: relative; }
.dropdown__toggle { display: inline-flex; align-items: center; gap: 4px; color: rgba(255,255,255,.88); font-size: .9rem; font-weight: 500; padding: .5em .8em; border-radius: 999px; transition: background .2s, color .2s; }
.dropdown__toggle:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav.is-scrolled .dropdown__toggle, .is-inner .nav .dropdown__toggle { color: var(--ink-2); }
.nav.is-scrolled .dropdown__toggle:hover, .is-inner .nav .dropdown__toggle:hover { background: var(--primary-50); color: var(--primary); }
.dropdown__menu { position: absolute; top: calc(100% + 8px); left: 50%; min-width: 240px; padding: 8px; background: #fff; border-radius: 14px; box-shadow: var(--shadow-lg); border: 1px solid var(--line); opacity: 0; visibility: hidden; transform: translate(-50%, 6px); transition: all .2s var(--ease); z-index: 5; }
.dropdown__menu::before { content: ""; position: absolute; inset: -10px 0 auto; height: 10px; }
.dropdown:hover .dropdown__menu, .dropdown:focus-within .dropdown__menu, .dropdown.is-open .dropdown__menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav__links .dropdown__menu a { display: flex; align-items: center; gap: 10px; color: var(--ink-2) !important; padding: .65em .8em; border-radius: 10px; font-size: .9rem; white-space: nowrap; }
.nav__links .dropdown__menu a:hover { background: var(--primary-50) !important; color: var(--primary) !important; }
.dropdown__menu .icon { color: var(--primary); }
.dropdown:not(:has(.dropdown__menu a)) { display: none; }

/* Bildiriler */
.hero__abstract { margin: 4px 0 14px; font-size: .92rem; }
.hero__abstract a { display: inline-flex; align-items: center; gap: 8px; color: #ffd58f; border-bottom: 1px dashed rgba(255, 213, 143, .5); padding-bottom: 2px; }
.abstracts__deadline { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; color: var(--secondary); font-size: .95rem; }
.abstracts__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.abstracts__tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.search { display: flex; align-items: center; gap: 10px; flex: 1 1 320px; max-width: 460px; padding: 0 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); color: var(--muted); }
.search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-50); }
.search input { flex: 1; border: 0; outline: 0; background: none; font: inherit; padding: 12px 0; color: var(--ink); min-width: 0; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: .85rem; font-weight: 500; }
.pill span { color: var(--muted); font-size: .78rem; margin-left: 4px; }
.pill.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.pill.is-active span { color: rgba(255,255,255,.7); }
.abstract-list { display: grid; gap: 10px; }
.abstract { display: grid; grid-template-columns: 72px 1fr auto; gap: 18px; align-items: start; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); transition: border-color .2s, box-shadow .2s; }
.abstract:hover { border-color: transparent; box-shadow: var(--shadow); }
.abstract__code { font-family: var(--display); font-weight: 600; font-size: 1.05rem; color: var(--primary); background: var(--primary-50); border-radius: 10px; text-align: center; padding: 10px 6px; }
.abstract h3 { font-size: 1.02rem; font-weight: 600; line-height: 1.45; margin: 8px 0 4px; }
.abstract__authors { margin: 0; font-size: .9rem; color: var(--ink-2); }
.abstract__inst { margin: 2px 0 0; font-size: .82rem; color: var(--muted); }
.abstract__summary { margin-top: 8px; font-size: .9rem; color: var(--ink-2); }
.abstract__summary summary { cursor: pointer; color: var(--primary); font-weight: 500; font-size: .85rem; }
.abstract__summary p { margin: 8px 0 0; }
.abstract__dl { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--primary); color: #fff; transition: transform .2s; }
.abstract__dl:hover { transform: translateY(-2px); }
.abstracts__none { text-align: center; color: var(--muted); padding: 24px; }

/* Hero giriş animasyonu (JS gerektirmez) */
.rise { animation: rise .9s var(--ease) both; }
.hero__content > .rise:nth-child(2) { animation-delay: .08s; }
.hero__content > .rise:nth-child(3) { animation-delay: .16s; }
.hero__content > .rise:nth-child(4) { animation-delay: .24s; }
.hero__content > .rise:nth-child(5) { animation-delay: .32s; }
.hero__content > .rise:nth-child(6) { animation-delay: .4s; }
.hero__content > .rise:nth-child(7) { animation-delay: .48s; }
.hero__side.rise { animation-delay: .3s; }
@keyframes rise { from { opacity: 0; transform: translateY(22px); } }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .nav__links { position: fixed; inset: 0 0 0 auto; width: min(340px, 86vw); flex-direction: column; align-items: stretch; gap: 4px; padding: calc(var(--nav-h) + 12px) 20px 24px; background: #fff; box-shadow: -20px 0 60px rgba(0,0,0,.2); transform: translateX(105%); transition: transform .35s var(--ease); overflow-y: auto; }
    .nav__links.is-open { transform: none; }
    .nav__links a:not(.btn) { color: var(--ink) !important; padding: .85em 1em; border-radius: 12px; font-size: 1rem; }
    .nav__links a:not(.btn):hover { background: var(--primary-50) !important; }
    .nav__cta { margin: 12px 0 0; }
    .dropdown__toggle { color: var(--ink) !important; width: 100%; justify-content: space-between; padding: .85em 1em; border-radius: 12px; font-size: 1rem; }
    .dropdown__menu { position: static; transform: none !important; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 0 12px; display: none; min-width: 0; }
    .dropdown.is-open .dropdown__menu { display: block; }
    .dropdown:hover .dropdown__menu { display: none; }
    .dropdown.is-open:hover .dropdown__menu { display: block; }
    .nav__toggle { display: inline-flex; position: relative; z-index: 2; }
    .nav.menu-open .nav__toggle { color: var(--ink); }
    body.menu-open { overflow: hidden; }
    body.menu-open::after { content: ""; position: fixed; inset: 0; background: rgba(20, 8, 14, .45); z-index: 45; }
    .nav { z-index: 50; }
    .hero__inner { grid-template-columns: 1fr; gap: 36px; }
    .hero__side { max-width: 520px; }
    .about__grid, .faq__grid { grid-template-columns: 1fr; }
    .about__aside { position: static; }
    .disc-grid { grid-template-columns: repeat(2, 1fr); }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
    :root { --nav-h: 66px; }
    .brand img { width: 40px; height: 40px; }
    .brand__text span { font-size: .95rem; }
    .brand__text strong { font-size: .72rem; }
    .hero { padding-top: calc(var(--nav-h) + 32px); }
    .hero__actions .btn { flex: 1 1 100%; }
    .countdown { padding: 18px; }
    .countdown__grid { gap: 8px; }
    .facts { grid-template-columns: 1fr 1fr; }
    .fact { padding: 16px; border-bottom: 1px solid var(--line); }
    .fact:nth-child(2) { border-right: 0; }
    .fact:nth-child(n+3) { border-bottom: 0; }
    .fact > .icon { width: 38px; height: 38px; padding: 8px; }
    .fact b { font-size: .88rem; }
    .disc-grid { grid-template-columns: 1fr; }
    .slot, .slot--break { grid-template-columns: 64px 1fr; gap: 12px; }
    .slot__time { padding-right: 14px; }
    .slot__time b { font-size: 1.05rem; }
    .slot__time span { font-size: .75rem; }
    .slot__card { padding: 16px; }
    .slot--break .slot__time { padding-right: 14px; font-size: .72rem; }
    .tab { flex-basis: 150px; padding: 12px 16px; }
    .tab__date { font-size: 1.2rem; }
    .speaker-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .speaker { padding: 20px 10px; }
    .speaker__photo { width: 96px; height: 96px; }
    .featured-grid, .doc-grid, .news-grid, .committee-grid { grid-template-columns: 1fr; }
    .abstract { grid-template-columns: 1fr auto; gap: 12px; padding: 16px; }
    .abstract__code { grid-column: 1 / -1; justify-self: start; padding: 4px 12px; font-size: .9rem; }
    .abstracts__actions, .abstracts__actions .btn { width: 100%; }
    .partner { width: calc(50% - 9px); min-height: 100px; }
    .partner-group--organizer .partner { width: calc(50% - 9px); padding: 18px 12px; }
    .partner-group--organizer .partner img { max-height: 84px; }
    .partner-group--organizer .partner span { font-size: .8rem; line-height: 1.35; }
    .footer__grid { grid-template-columns: 1fr; }
    .cta__action, .cta__action .btn { width: 100%; }
    .modal__body { padding: 24px 20px; }
    .modal__speaker { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
    .reveal { opacity: 1; transform: none; }
    html { scroll-behavior: auto; }
}
@media print {
    .nav, .to-top, .wa, .cta, .hero__bg { display: none !important; }
    .timeline { display: grid !important; }
}