/* ==========================================================================
   Adana Eczacılık Buluşması 2027 — Tasarım Sistemi
   ========================================================================== */

:root {
  --ink: #0A0E1A;
  --ink-2: #111726;
  --ink-3: #1A2235;
  --paper: #F5F3EE;
  --paper-2: #ECE9E1;
  --white: #FFFFFF;
  --muted: #5A6072;
  --muted-dark: #9AA1B3;
  --line: rgba(10, 14, 26, .12);
  --line-dark: rgba(255, 255, 255, .12);
  --accent: #19D3A2;
  --accent-deep: #0B7A5E;
  --accent-deep: color-mix(in srgb, var(--accent) 52%, var(--ink));
  --accent-soft: #D9F6EC;
  --accent-soft: color-mix(in srgb, var(--accent) 16%, #fff);
  --coral: #FF5A3C;

  --f-display: "Inter Tight", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-serif: "Instrument Serif", Georgia, "Times New Roman", serif;

  --container: 1320px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius: 22px;
  --radius-sm: 14px;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --nav-h: 76px;
  --section-y: clamp(84px, 11vw, 160px);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--f-body); font-size: 1rem; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, figure, dl, dd, blockquote { margin: 0; }
address { font-style: normal; }
input, textarea, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }
::selection { background: var(--accent); color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 200; background: var(--accent); color: var(--ink); padding: 10px 16px; border-radius: 10px; font-weight: 600; transition: top .2s; }
.skip-link:focus { top: 16px; }
.icon { width: 1.15em; height: 1.15em; flex: none; }

/* ---------- Tipografi ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 22px;
}
.eyebrow__num { color: var(--accent-deep); font-family: var(--f-display); letter-spacing: .08em; display: inline-flex; align-items: center; gap: 12px; }
.eyebrow__num::after { content: ""; width: 32px; height: 1px; background: currentColor; opacity: .6; }
.section--dark .eyebrow { color: var(--muted-dark); }
.section--dark .eyebrow__num { color: var(--accent); }

.display {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(2.4rem, 5.4vw, 5rem); line-height: .98; letter-spacing: -.042em;
  text-wrap: balance;
}
.display em, .facts__month em, .footer__word span {
  font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -.015em;
  color: var(--accent-deep);
}
.section--dark .display em { color: var(--accent); }
.display--sm { font-size: clamp(2rem, 4vw, 3.6rem); }

.lead { font-size: clamp(1.08rem, 1.5vw, 1.32rem); line-height: 1.55; color: var(--muted); max-width: 42ch; text-wrap: pretty; }
.section--dark .lead { color: var(--muted-dark); }
.prose p { color: var(--muted); max-width: 62ch; }
.prose p + p { margin-top: 1em; }
.section--dark .prose p { color: var(--muted-dark); }
.empty { padding: 48px 0; color: var(--muted); font-size: 1.1rem; border-top: 1px solid var(--line); }

/* ---------- Butonlar ---------- */
.btn {
  --bh: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--bh); padding: 0 24px; border-radius: 999px;
  font-family: var(--f-display); font-weight: 600; font-size: .98rem; letter-spacing: -.005em; white-space: nowrap;
  border: 1px solid transparent; transition: background-color .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease), transform .3s var(--ease);
}
.btn .icon { transition: transform .35s var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: scale(.98); }
.btn--sm { --bh: 40px; padding: 0 18px; font-size: .9rem; }
.btn--lg { --bh: 56px; padding: 0 30px; font-size: 1.02rem; }
.btn--accent { background: var(--accent); color: var(--ink); }
.btn--accent:hover { background: #fff; }
.btn--ghost { border-color: rgba(255, 255, 255, .28); color: #fff; }
.btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, .06); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-3); }
.btn--line { border-color: var(--line); color: var(--ink); background: transparent; }
.btn--line:hover { border-color: var(--ink); }
.btn[disabled] { opacity: .6; pointer-events: none; }

.tag {
  display: inline-flex; align-items: center; height: 26px; padding: 0 11px; border-radius: 999px;
  font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-deep);
}
.tag--glass { background: rgba(255, 255, 255, .14); color: #fff; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); position: relative; flex: none; }
.pulse::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1px solid var(--accent); animation: pulse 2s var(--ease) infinite; }

/* ---------- Header / Navigasyon ---------- */
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; color: #fff; }
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(10, 14, 26, .9); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line-dark); opacity: 0; transition: opacity .4s var(--ease);
}
.site-header.is-scrolled::before, .site-header.is-open::before { opacity: 1; }

.demo-bar {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 8px var(--gutter); font-size: .74rem; letter-spacing: .04em; text-align: center;
  background: var(--coral); color: #fff; font-weight: 500;
  max-height: 80px; overflow: hidden; transition: max-height .4s var(--ease), padding .4s var(--ease);
}
.demo-bar__dot { width: 6px; height: 6px; border-radius: 50%; background: #fff; flex: none; }
.site-header.is-scrolled .demo-bar { max-height: 0; padding-top: 0; padding-bottom: 0; }

.nav {
  height: var(--nav-h); display: flex; align-items: center; gap: 28px;
  max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter);
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; position: relative; z-index: 2; }
.brand__logo { height: 40px; width: auto; }
.brand__mark { color: #fff; transition: transform .6s var(--ease); }
.brand:hover .brand__mark { transform: rotate(60deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--f-display); font-weight: 700; font-size: .98rem; letter-spacing: -.02em; }
.brand__edition { font-family: var(--f-serif); font-style: italic; color: var(--accent); font-size: 1.05rem; }

.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__link {
  display: block; padding: 8px 12px; border-radius: 999px; font-size: .9rem; font-weight: 500; color: rgba(255, 255, 255, .78);
  transition: color .25s, background-color .25s;
}
.nav__link:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.nav__link.is-active { color: #fff; }
.nav__link.is-active::after { content: ""; display: block; height: 2px; width: 14px; margin: 3px auto -5px; border-radius: 2px; background: var(--accent); }
.nav__actions { display: flex; align-items: center; gap: 12px; position: relative; z-index: 2; }
.nav__cta-mobile { display: none; }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line-dark); position: relative; }
.nav__toggle span { position: absolute; left: 13px; right: 13px; height: 1.5px; background: #fff; transition: transform .4s var(--ease), top .4s var(--ease); }
.nav__toggle span:first-child { top: 17px; }
.nav__toggle span:last-child { top: 25px; }
.site-header.is-open .nav__toggle span:first-child { top: 21px; transform: rotate(45deg); }
.site-header.is-open .nav__toggle span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: flex-end;
  padding: calc(var(--nav-h) + 90px) 0 30px; background: var(--ink); color: #fff;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.hero__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .4; }
.hero--image .hero__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 14, 26, .55) 0%, rgba(10, 14, 26, .2) 40%, var(--ink) 96%); }
.hero__glow {
  position: absolute; width: 1100px; height: 1100px; right: -380px; top: -460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(25, 211, 162, .5) 0%, transparent 62%);
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 50%, transparent) 0%, transparent 62%);
  opacity: .55; animation: drift 22s ease-in-out infinite alternate;
}
.hero__glow::after {
  content: ""; position: absolute; width: 60%; height: 60%; left: -40%; bottom: -70%; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 60, .35) 0%, transparent 60%);
}
.hero__molecule { position: absolute; right: -2%; top: 10%; width: min(50vw, 640px); color: rgba(255, 255, 255, .13); animation: spin 160s linear infinite; }
.hero__nodes circle { fill: var(--accent); opacity: .8; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
}
.hero__inner { position: relative; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 12px; padding: 8px 16px 8px 14px; border-radius: 999px;
  border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .04);
  font-size: .78rem; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: rgba(255, 255, 255, .8);
  animation: fadeUp .9s var(--ease) both;
}
.hero__title {
  margin-top: 28px; font-family: var(--f-display); font-weight: 700;
  font-size: clamp(3.1rem, 10.4vw, 10.6rem); line-height: .87; letter-spacing: -.05em;
}
.hero__title em { font-family: var(--f-serif); font-style: italic; font-weight: 400; letter-spacing: -.025em; color: var(--accent); padding-right: .05em; }
.hero__line { display: block; overflow: hidden; padding-bottom: .16em; margin-bottom: -.16em; }
.hero__line > span { display: inline-block; transform: translateY(108%); animation: lineUp 1.1s var(--ease) forwards; animation-delay: calc(var(--d, 0ms) + 150ms); }
.hero__edition {
  position: absolute; right: -.04em; top: 52%; z-index: -1; transform: translateY(-50%);
  font-family: var(--f-display); font-weight: 800; font-size: clamp(6rem, 25vw, 25rem); line-height: .8; letter-spacing: -.07em;
  color: transparent; -webkit-text-stroke: 1.5px rgba(255, 255, 255, .16);
  animation: fadeIn 1.6s var(--ease) .4s both;
}
.hero__lower { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; flex-wrap: wrap; margin-top: clamp(32px, 5vw, 56px); animation: fadeUp 1s var(--ease) .55s both; }
.hero__text { max-width: 44ch; font-size: clamp(1.02rem, 1.35vw, 1.2rem); line-height: 1.6; color: rgba(255, 255, 255, .72); }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__bar {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
  margin-top: clamp(44px, 8vh, 88px); padding-top: 22px; border-top: 1px solid var(--line-dark);
  animation: fadeUp 1s var(--ease) .7s both;
}
.hero__bar dt { display: flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted-dark); }
.hero__bar dt .icon { color: var(--accent); }
.hero__bar dd { margin-top: 6px; font-family: var(--f-display); font-weight: 600; font-size: clamp(1.02rem, 1.4vw, 1.3rem); letter-spacing: -.015em; }

/* ---------- Bir bakışta ---------- */
.facts { padding: clamp(72px, 9vw, 130px) 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.facts__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: end; }
.facts__days { font-family: var(--f-display); font-weight: 800; font-size: clamp(5rem, 13.5vw, 12.5rem); line-height: .8; letter-spacing: -.065em; }
.facts__days--label { font-size: clamp(2.6rem, 6vw, 5rem); line-height: .95; }
.facts__month { margin-top: 14px; font-family: var(--f-display); font-weight: 700; font-size: clamp(2rem, 4.4vw, 3.8rem); letter-spacing: -.04em; line-height: 1; }
.facts__list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 28px; }
.fact:not(.fact--num) { grid-column: span 2; }
.fact { padding: 22px 0 26px; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.fact dt { display: flex; align-items: center; gap: 8px; font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.fact dt .icon { color: var(--accent-deep); }
.fact__text { font-family: var(--f-display); font-weight: 600; font-size: clamp(1.25rem, 1.9vw, 1.65rem); letter-spacing: -.025em; line-height: 1.15; }
.fact--num { flex-direction: column-reverse; justify-content: flex-end; }
.fact__num { font-family: var(--f-display); font-weight: 700; font-size: clamp(2.8rem, 5vw, 4.8rem); line-height: .9; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }

/* ---------- Bölüm iskeleti ---------- */
.section { padding: var(--section-y) 0; position: relative; }
.section--dark { background: var(--ink); color: #fff; }
.section--soft { background: var(--paper-2); }
.section-head { margin-bottom: clamp(44px, 6vw, 84px); }
.section-head--split { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px 64px; align-items: end; }
.section-head--split .lead { justify-self: end; }

/* ---------- Hakkında ---------- */
.about__grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: clamp(40px, 6vw, 96px); }
.about__head { align-self: start; }
.about__body { padding-top: 6px; display: grid; gap: 28px; }
.about__body .lead { color: var(--ink); font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.4; letter-spacing: -.01em; max-width: 30ch; font-family: var(--f-display); font-weight: 500; }
.about__figure { grid-column: 1 / -1; margin-top: clamp(20px, 4vw, 48px); }
.about__figure img { width: 100%; aspect-ratio: 21 / 9; object-fit: cover; border-radius: calc(var(--radius) + 8px); background: var(--paper-2); }
.about__figure figcaption { margin-top: 14px; font-size: .85rem; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.about__figure figcaption::before { content: ""; width: 24px; height: 1px; background: currentColor; }

/* ---------- Ne sunuyor ---------- */
.offer { overflow: hidden; }
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line-dark); }
.pillar { position: relative; padding: 40px 36px 12px 0; display: flex; flex-direction: column; gap: 16px; }
.pillar + .pillar { padding-left: 36px; border-left: 1px solid var(--line-dark); }
.pillar__index { font-family: var(--f-serif); font-style: italic; font-size: 1.3rem; color: var(--muted-dark); }
.pillar__icon {
  width: 60px; height: 60px; border-radius: 50%; border: 1px solid var(--line-dark); display: grid; place-items: center; color: var(--accent);
  transition: background-color .4s var(--ease), color .4s var(--ease), transform .5s var(--ease);
}
.pillar__icon .icon { width: 24px; height: 24px; }
.pillar:hover .pillar__icon { background: var(--accent); color: var(--ink); transform: rotate(-12deg); }
.pillar__title { font-family: var(--f-display); font-weight: 650; font-size: clamp(1.4rem, 2.1vw, 1.85rem); letter-spacing: -.03em; line-height: 1.1; margin-top: 12px; }
.pillar__text { color: var(--muted-dark); max-width: 34ch; }

/* ---------- Program ---------- */
.program__controls {
  display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap;
  margin-bottom: 28px; position: sticky; top: calc(var(--nav-h) - 1px); z-index: 20; padding: 12px 0;
  background: var(--paper);
}
.day-tabs { display: inline-flex; gap: 4px; padding: 5px; border-radius: 999px; background: var(--paper-2); border: 1px solid var(--line); }
.day-tab {
  display: flex; flex-direction: column; align-items: flex-start; padding: 10px 24px; border-radius: 999px; line-height: 1.2; text-align: left;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}
.day-tab__title { font-family: var(--f-display); font-weight: 700; font-size: 1rem; letter-spacing: -.01em; }
.day-tab__date { font-size: .78rem; color: var(--muted); transition: color .35s; }
.day-tab:hover { background: rgba(10, 14, 26, .05); }
.day-tab[aria-selected="true"] { background: var(--ink); color: #fff; }
.day-tab[aria-selected="true"] .day-tab__date { color: rgba(255, 255, 255, .62); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  height: 36px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line); font-size: .85rem; font-weight: 500; color: var(--muted);
  transition: all .25s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

.day-panel { animation: fadeUp .6s var(--ease) both; }
.day-panel__head { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.day-panel__date { font-family: var(--f-display); font-weight: 650; font-size: clamp(1.2rem, 1.8vw, 1.5rem); letter-spacing: -.02em; }
.day-panel__theme { font-family: var(--f-serif); font-style: italic; font-size: clamp(1.2rem, 1.8vw, 1.5rem); color: var(--accent-deep); }
.day-panel__count { margin-left: auto; font-size: .8rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

.timeline { position: relative; }
.slot { display: grid; grid-template-columns: 112px 40px minmax(0, 1fr); }
.slot__time { padding-top: 30px; display: flex; flex-direction: column; }
.slot__time time { font-family: var(--f-display); font-weight: 700; font-size: 1.55rem; letter-spacing: -.035em; line-height: 1; font-variant-numeric: tabular-nums; }
.slot__time span { margin-top: 6px; font-size: .88rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.slot__rail { position: relative; }
.slot__rail::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--line); }
.slot:first-child .slot__rail::before { top: 40px; }
.slot:last-child .slot__rail::before { bottom: calc(100% - 40px); }
.slot__dot { position: absolute; left: 50%; top: 35px; width: 11px; height: 11px; margin-left: -5.5px; border-radius: 50%; background: var(--paper); border: 2px solid var(--ink); transition: transform .3s var(--ease), background-color .3s; }
.slot:hover .slot__dot { transform: scale(1.3); background: var(--accent); }
.slot__card {
  margin: 10px 0; padding: 26px 30px; background: var(--white); border-radius: var(--radius); border: 1px solid transparent;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.slot:hover .slot__card:not(.slot__card--break) { transform: translateY(-2px); box-shadow: 0 18px 40px -24px rgba(10, 14, 26, .35); border-color: var(--line); }
.slot__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; }
.slot__hall { display: inline-flex; align-items: center; gap: 6px; font-size: .84rem; color: var(--muted); }
.slot__now { display: inline-flex; align-items: center; gap: 8px; height: 26px; padding: 0 11px; border-radius: 999px; background: var(--ink); color: var(--accent); font-size: .7rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.slot__title { margin-top: 12px; font-family: var(--f-display); font-weight: 650; font-size: clamp(1.2rem, 1.7vw, 1.5rem); letter-spacing: -.025em; line-height: 1.2; }
.slot__speakers { display: flex; flex-wrap: wrap; gap: 12px 26px; margin-top: 18px; }
.person { display: flex; align-items: center; gap: 12px; text-align: left; border-radius: 999px; padding-right: 6px; }
.person__img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; background: var(--paper-2); }
.person__text { display: flex; flex-direction: column; line-height: 1.3; }
.person__text strong { font-weight: 600; font-size: .95rem; }
.person__text small { font-size: .8rem; color: var(--muted); }
.person:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.slot__sponsor { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; margin-top: 16px; font-size: .85rem; color: var(--muted); }
.slot__sponsor .icon { color: var(--accent-deep); }
.slot__sponsor a { color: var(--ink); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.slot__sponsor strong { color: var(--ink); font-weight: 600; }
.slot__details { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.slot__details summary { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: .86rem; font-weight: 600; list-style: none; }
.slot__details summary::-webkit-details-marker { display: none; }
.slot__details summary .icon { transition: transform .35s var(--ease); }
.slot__details[open] summary .icon { transform: rotate(45deg); }
.slot__desc { padding-top: 10px; }
.slot__desc p { color: var(--muted); max-width: 70ch; }
.slot--break .slot__time time { font-size: 1.2rem; color: var(--muted); }
.slot--break .slot__dot { width: 7px; height: 7px; margin-left: -3.5px; top: 30px; border-width: 1.5px; border-color: var(--muted); }
.slot__card--break { background: transparent; border: 1px dashed rgba(10, 14, 26, .18); padding: 16px 24px; }
.slot__card--break .slot__title { margin: 0; font-family: var(--f-body); font-weight: 600; font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.slot.is-now .slot__card { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(25, 211, 162, .18); }
.slot.is-now .slot__dot { background: var(--accent); border-color: var(--accent-deep); }
.slot.is-filtered { display: none; }
.program__foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.program__note { font-size: .88rem; color: var(--muted); }

/* ---------- Konuşmacılar ---------- */
.speakers .program__controls { background: var(--paper-2); }
.speaker-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 44px 22px; }
.speaker__btn { display: flex; flex-direction: column; width: 100%; text-align: left; border-radius: var(--radius); }
.speaker__media { position: relative; display: block; aspect-ratio: 4 / 5; border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.speaker__media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.04); transition: transform 1s var(--ease), filter .6s var(--ease); }
.speaker__btn:hover .speaker__media img, .speaker__btn:focus-visible .speaker__media img { filter: none; transform: scale(1.045); }
.speaker__more {
  position: absolute; right: 14px; bottom: 14px; width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; color: var(--ink);
  transition: background-color .35s var(--ease), transform .5s var(--ease);
}
.speaker__btn:hover .speaker__more { background: var(--accent); transform: rotate(90deg); }
.speaker__name { margin-top: 18px; font-family: var(--f-display); font-weight: 650; font-size: 1.22rem; letter-spacing: -.025em; line-height: 1.2; }
.speaker__role { margin-top: 4px; font-size: .92rem; }
.speaker__org { font-size: .86rem; color: var(--muted); }

.modal {
  width: min(960px, calc(100% - 32px)); max-height: min(88vh, 760px); padding: 0; border: 0; border-radius: 28px;
  background: var(--white); color: var(--ink); overflow: auto; box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .5);
}
.modal::backdrop { background: rgba(10, 14, 26, .62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.modal[open] { animation: modalIn .45s var(--ease); }
.modal__close { position: absolute; right: 16px; top: 16px; z-index: 2; width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, .92); border: 1px solid var(--line); }
.modal__close:hover { background: var(--accent); }
.speaker-modal { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); min-height: 460px; }
.speaker-modal__media { background: var(--paper-2); }
.speaker-modal__media img { width: 100%; height: 100%; object-fit: cover; }
.speaker-modal__body { padding: clamp(28px, 4vw, 52px); display: flex; flex-direction: column; gap: 14px; }
.speaker-modal__body .eyebrow { margin-bottom: 0; }
.speaker-modal__name { font-family: var(--f-display); font-weight: 700; font-size: clamp(1.8rem, 3vw, 2.6rem); letter-spacing: -.04em; line-height: 1; }
.speaker-modal__role { color: var(--muted); font-size: 1rem; margin-bottom: 8px; }

/* ---------- Deneyimler (bento) ---------- */
.bento { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-auto-rows: 270px; grid-auto-flow: dense; gap: 16px; }
.bento__item--wide { grid-column: span 2; }
.bento__item--tall { grid-row: span 2; }
.bento__item--large { grid-column: span 2; grid-row: span 2; }
.exp {
  position: relative; height: 100%; border-radius: var(--radius); overflow: hidden; isolation: isolate;
  background: var(--ink-3); border: 1px solid var(--line-dark); display: flex; flex-direction: column; justify-content: space-between; padding: 24px;
  transition: border-color .4s var(--ease);
}
.exp__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.2s var(--ease); }
.exp__shade { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10, 14, 26, .15) 0%, rgba(10, 14, 26, .1) 40%, rgba(10, 14, 26, .88) 100%); }
.exp:hover { border-color: rgba(25, 211, 162, .5); }
.exp:hover .exp__img { transform: scale(1.06); }
.exp__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.exp__num { font-family: var(--f-serif); font-style: italic; font-size: 1.3rem; color: rgba(255, 255, 255, .7); }
.exp__title { font-family: var(--f-display); font-weight: 650; font-size: clamp(1.3rem, 1.8vw, 1.6rem); letter-spacing: -.03em; line-height: 1.1; }
.bento__item--large .exp__title { font-size: clamp(1.8rem, 3vw, 2.8rem); }
.exp__text { margin-top: 10px; color: rgba(255, 255, 255, .74); font-size: .94rem; max-width: 40ch; }
@media (hover: hover) {
  .exp__text { max-height: 0; opacity: 0; overflow: hidden; margin-top: 0; transition: max-height .6s var(--ease), opacity .4s var(--ease), margin .4s var(--ease); }
  .exp:hover .exp__text, .exp:focus-within .exp__text { max-height: 140px; opacity: 1; margin-top: 10px; }
  .bento__item--large .exp__text { max-height: 140px; opacity: 1; margin-top: 10px; }
}

/* ---------- Geri sayım ---------- */
.countdown { background: var(--accent); color: var(--ink); padding: clamp(64px, 9vw, 124px) 0; overflow: hidden; position: relative; }
.countdown::before {
  content: ""; position: absolute; inset: 0; opacity: .12; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, var(--ink) 1px, transparent 0); background-size: 22px 22px;
}
.countdown__inner { position: relative; display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 32px 56px; align-items: center; }
.countdown__title { font-family: var(--f-display); font-weight: 700; font-size: clamp(1.8rem, 3.2vw, 2.8rem); letter-spacing: -.04em; line-height: 1.02; max-width: 12ch; }
.countdown__date { margin-top: 12px; font-weight: 500; opacity: .75; }
.countdown__clock { display: grid; grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr)); container-type: inline-size; }
.countdown__unit { display: flex; flex-direction: column; padding: 0 clamp(8px, 2vw, 28px); border-left: 1px solid rgba(10, 14, 26, .25); }
.countdown__num { font-family: var(--f-display); font-weight: 700; font-size: clamp(2.2rem, 8vw, 7.6rem); font-size: clamp(1.9rem, 12.5cqi, 7.6rem); line-height: .9; letter-spacing: -.06em; font-variant-numeric: tabular-nums; }
.countdown__label { margin-top: 10px; font-size: .74rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; opacity: .72; }
.countdown__message { grid-column: 2; display: flex; align-items: center; gap: 14px; font-family: var(--f-display); font-weight: 600; font-size: clamp(1.3rem, 2.4vw, 2rem); letter-spacing: -.025em; line-height: 1.25; }
.countdown__message .pulse { background: var(--ink); }
.countdown__message .pulse::after { border-color: var(--ink); }
.countdown .btn { grid-column: 2; justify-self: start; }

/* ---------- Galeri ---------- */
.gallery .chips { margin-bottom: 28px; }
.masonry { columns: 3 300px; column-gap: 16px; }
.masonry__item { break-inside: avoid; margin-bottom: 16px; }
.masonry__item.is-filtered { display: none; }
.shot { position: relative; display: block; border-radius: var(--radius-sm); overflow: hidden; background: var(--paper-2); }
.shot img { width: 100%; transition: transform 1s var(--ease); }
.shot:hover img { transform: scale(1.04); }
.shot__cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 16px; color: #fff; font-size: .88rem; font-weight: 500;
  background: linear-gradient(180deg, transparent, rgba(10, 14, 26, .78)); opacity: 0; transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.shot:hover .shot__cap, .shot:focus-visible .shot__cap { opacity: 1; transform: none; }

.lightbox {
  width: 100vw; height: 100vh; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0;
  background: rgba(6, 8, 14, .96); color: #fff; overflow: hidden;
}
.lightbox[open] { display: grid; place-items: center; animation: fadeIn .3s var(--ease); }
.lightbox::backdrop { background: rgba(6, 8, 14, .96); }
.lightbox__figure { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 72px 80px; max-width: 100%; }
.lightbox__figure img { max-width: 100%; max-height: calc(100dvh - 190px); width: auto; border-radius: 12px; object-fit: contain; }
.lightbox__figure figcaption { font-size: .92rem; color: rgba(255, 255, 255, .72); text-align: center; }
.lightbox__btn {
  position: absolute; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16); transition: background-color .25s;
}
.lightbox__btn:hover { background: var(--accent); color: var(--ink); }
.lightbox__close { top: 20px; right: 20px; }
.lightbox__prev { left: 20px; top: 50%; margin-top: -26px; }
.lightbox__next { right: 20px; top: 50%; margin-top: -26px; }
.lightbox__count { position: absolute; left: 24px; top: 34px; font-size: .8rem; letter-spacing: .14em; color: rgba(255, 255, 255, .6); }

/* ---------- Sponsorlar ---------- */
.sponsors { padding-top: calc(var(--section-y) * .8); border-top: 1px solid var(--line); }
.tier { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px 40px; padding: 30px 0; border-top: 1px solid var(--line); }
.tier__title { padding-top: 10px; font-size: .76rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.tier__logos { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.tier--lead .tier__logos { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.logo-cell > a, .logo-cell > img, .logo-cell > .logo-cell__name { width: 100%; }
.logo-cell {
  aspect-ratio: 16 / 9; border-radius: 18px; background: var(--white); border: 1px solid var(--line);
  display: grid; place-items: center; padding: 22px; transition: border-color .3s, transform .4s var(--ease);
}
.logo-cell a { display: grid; place-items: center; height: 100%; }
.logo-cell img { max-height: 58px; width: auto; max-width: 100%; margin: 0 auto; filter: grayscale(1); opacity: .72; transition: filter .4s, opacity .4s; }
.tier--lead .logo-cell img { max-height: 84px; }
.logo-cell:hover { border-color: var(--ink); transform: translateY(-2px); }
.logo-cell:hover img { filter: none; opacity: 1; }
.logo-cell__name { font-family: var(--f-display); font-weight: 650; text-align: center; color: var(--muted); }

/* ---------- Mekân ---------- */
.venue { background: var(--paper); border-top: 1px solid var(--line); }
.venue__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); align-items: stretch; }
.venue__info { display: flex; flex-direction: column; gap: 20px; align-items: flex-start; }
.venue__img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: var(--radius); }
.venue__name { font-family: var(--f-display); font-weight: 700; font-size: clamp(1.7rem, 2.8vw, 2.4rem); letter-spacing: -.035em; line-height: 1.05; }
.venue__address { display: flex; gap: 10px; color: var(--muted); }
.venue__address .icon { color: var(--accent-deep); margin-top: 4px; }
.transport { width: 100%; }
.transport__item { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line); }
.transport__item:last-child { border-bottom: 1px solid var(--line); }
.transport__icon { width: 44px; height: 44px; flex: none; border-radius: 50%; background: var(--paper-2); display: grid; place-items: center; color: var(--accent-deep); }
.transport__item strong { font-family: var(--f-display); font-weight: 650; letter-spacing: -.01em; }
.transport__item p { color: var(--muted); font-size: .93rem; margin-top: 2px; }
.venue__map { position: relative; min-height: 520px; border-radius: calc(var(--radius) + 6px); overflow: hidden; background: var(--paper-2); border: 1px solid var(--line); }
.venue__map iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; filter: grayscale(.35) contrast(1.05); }

/* ---------- İletişim ---------- */
.contact__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(40px, 6vw, 96px); align-items: start; }
.contact__intro .lead { margin-top: 24px; }
.register { margin-top: 40px; padding: 26px; border-radius: var(--radius); border: 1px solid var(--line-dark); background: rgba(255, 255, 255, .03); display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.register__label { font-size: .74rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.register__note { color: var(--muted-dark); font-size: .95rem; }
.contact__list { margin-top: 36px; display: grid; gap: 14px; }
.contact__list li { display: flex; align-items: flex-start; gap: 14px; color: rgba(255, 255, 255, .86); }
.contact__list .icon { color: var(--accent); margin-top: 3px; }
.contact__list a:hover { color: var(--accent); }

.form { position: relative; background: var(--ink-2); border: 1px solid var(--line-dark); border-radius: 28px; padding: clamp(26px, 4vw, 48px); }
.form__hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.field { position: relative; margin-bottom: 18px; }
.field__input {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid rgba(255, 255, 255, .2); border-radius: 0;
  padding: 28px 0 12px; color: #fff; font-size: 1.05rem; outline: none; transition: border-color .3s;
}
textarea.field__input { resize: vertical; min-height: 130px; line-height: 1.5; }
.field__input:focus { border-bottom-color: var(--accent); }
.field__label { position: absolute; left: 0; top: 26px; color: var(--muted-dark); pointer-events: none; transition: top .25s var(--ease), font-size .25s var(--ease), color .25s; }
.field__label span { opacity: .6; font-size: .85em; }
.field__input:focus + .field__label, .field__input:not(:placeholder-shown) + .field__label { top: 4px; font-size: .74rem; letter-spacing: .06em; color: var(--accent); }
.field.has-error .field__input { border-bottom-color: var(--coral); }
.field__error { display: block; margin-top: 6px; font-size: .8rem; color: #FF8B75; }
.check { display: flex; align-items: flex-start; gap: 12px; margin-top: 10px; cursor: pointer; font-size: .9rem; color: var(--muted-dark); position: relative; }
.check input { position: absolute; opacity: 0; width: 22px; height: 22px; margin: 0; }
.check__box { width: 22px; height: 22px; flex: none; border-radius: 7px; border: 1px solid rgba(255, 255, 255, .3); display: grid; place-items: center; color: transparent; transition: all .2s; }
.check__box .icon { width: 14px; height: 14px; }
.check input:checked + .check__box { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.check input:focus-visible + .check__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.check.has-error .check__box { border-color: var(--coral); }
.form__foot { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; margin-top: 30px; }
.form__status { font-size: .95rem; min-height: 1.4em; }
.form__status.is-ok { color: var(--accent); }
.form__status.is-error { color: #FF8B75; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #fff; padding: clamp(56px, 7vw, 96px) 0 36px; border-top: 1px solid var(--line-dark); }
.footer__top { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px 64px; align-items: end; padding-bottom: 40px; border-bottom: 1px solid var(--line-dark); }
.footer__word { font-family: var(--f-display); font-weight: 700; font-size: clamp(2.2rem, 6.4vw, 6rem); letter-spacing: -.055em; line-height: .92; }
.footer__word span { color: var(--accent); }
.footer__meta { margin-top: 16px; color: var(--muted-dark); }
.footer__nav { display: flex; flex-wrap: wrap; gap: 10px 26px; max-width: 420px; justify-content: flex-end; }
.footer__nav a { color: var(--muted-dark); font-size: .92rem; transition: color .2s; }
.footer__nav a:hover { color: #fff; }
.footer__bottom { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px 32px; padding-top: 28px; font-size: .84rem; color: var(--muted-dark); }
.footer__note { max-width: 60ch; }
.socials { display: flex; gap: 8px; flex-wrap: wrap; }
.socials__link { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--line-dark); color: #fff; transition: background-color .3s, color .3s, border-color .3s; }
.socials__link:hover { background: var(--accent); border-color: var(--accent); color: var(--ink); }
.socials--dark .socials__link { border-color: var(--line); color: var(--ink); }

.to-top {
  position: fixed; right: 20px; bottom: 20px; z-index: 90; width: 50px; height: 50px; border-radius: 50%;
  display: grid; place-items: center; background: var(--ink); color: #fff; border: 1px solid var(--line-dark);
  opacity: 0; transform: translateY(16px); pointer-events: none; transition: opacity .35s var(--ease), transform .35s var(--ease), background-color .3s;
}
.to-top.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--accent); color: var(--ink); }
.icon--up { transform: rotate(180deg); }

/* ---------- 404 ---------- */
.page-404 { background: var(--ink); color: #fff; }
.notfound { min-height: 100vh; display: flex; flex-direction: column; justify-content: center; gap: 22px; padding: 40px var(--gutter); max-width: 900px; margin: 0 auto; }
.notfound .display em { color: var(--accent); }
.notfound .btn { align-self: flex-start; }

/* ---------- Açılış animasyonları ---------- */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease) var(--delay, 0ms), transform .9s var(--ease) var(--delay, 0ms); }
.js .reveal.is-in { opacity: 1; transform: none; }

@keyframes lineUp { to { transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes pulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(2); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes drift { from { transform: translate(0, 0) scale(1); } to { transform: translate(-80px, 60px) scale(1.12); } }

/* ==========================================================================
   Duyarlı yerleşim
   ========================================================================== */
@media (max-width: 1180px) {
  .nav__link { padding: 8px 9px; font-size: .86rem; }
  .speaker-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 1040px) {
  :root { --nav-h: 68px; }
  .nav__toggle { display: block; }
  .nav__cta { display: none; }
  .nav__menu {
    position: fixed; inset: 0; z-index: 1; background: var(--ink);
    display: flex; flex-direction: column; justify-content: space-between; gap: 32px;
    padding: calc(var(--nav-h) + 48px) var(--gutter) calc(32px + env(safe-area-inset-bottom));
    opacity: 0; visibility: hidden; transition: opacity .4s var(--ease), visibility 0s linear .4s; overflow-y: auto;
  }
  .site-header.is-open .nav__menu { opacity: 1; visibility: visible; transition: opacity .4s var(--ease); }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list li { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); transition-delay: calc(var(--i) * 45ms + 80ms); }
  .site-header.is-open .nav__list li { opacity: 1; transform: none; }
  .nav__link { padding: 14px 0; border-radius: 0; border-bottom: 1px solid var(--line-dark); font-family: var(--f-display); font-weight: 650; font-size: clamp(1.7rem, 6vw, 2.4rem); letter-spacing: -.03em; color: #fff; }
  .nav__link:hover { background: none; color: var(--accent); }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { color: var(--accent); }
  .nav__cta-mobile { display: inline-flex; align-self: stretch; }
  body.menu-open { overflow: hidden; }

  .hero__molecule { width: 70vw; right: -18%; top: 12%; }
  .section-head--split { grid-template-columns: 1fr; }
  .section-head--split .lead { justify-self: start; }
  .facts__grid { grid-template-columns: 1fr; align-items: start; }
  .about__grid { grid-template-columns: 1fr; }
  .about__figure img { aspect-ratio: 16 / 10; }
  .pillars { grid-template-columns: 1fr; }
  .pillar, .pillar + .pillar { padding: 30px 0; border-left: 0; border-bottom: 1px solid var(--line-dark); display: grid; grid-template-columns: 60px 1fr; column-gap: 22px; row-gap: 6px; }
  .pillar__index { grid-column: 1 / -1; }
  .pillar__icon { grid-row: span 2; }
  .pillar__title { margin-top: 0; }
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 250px; }
  .countdown__inner { grid-template-columns: 1fr; }
  .countdown__message, .countdown .btn { grid-column: 1; }
  .countdown__title { max-width: none; }
  .venue__grid { grid-template-columns: 1fr; }
  .venue__map { min-height: 380px; }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; }
  .footer__nav { justify-content: flex-start; }
  .speaker-modal { grid-template-columns: 1fr; }
  .speaker-modal__media img { aspect-ratio: 16 / 11; height: auto; object-position: center 25%; }
}

@media (max-width: 720px) {
  .demo-bar { font-size: .68rem; padding: 7px 16px; }
  .brand__name { font-size: .88rem; }
  .hero { padding-top: calc(var(--nav-h) + 72px); padding-bottom: 20px; }
  .hero__eyebrow { font-size: .66rem; letter-spacing: .1em; border-radius: 18px; }
  .hero__title { font-size: clamp(2.9rem, 14.5vw, 5rem); }
  .hero__edition { top: auto; bottom: 16%; font-size: 42vw; right: -.06em; }
  .hero__lower { flex-direction: column; align-items: stretch; }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; }
  .hero__bar { grid-template-columns: 1fr 1fr; gap: 18px 16px; }
  .hero__bar-item:first-child { grid-column: 1 / -1; }
  .hero__bar dd { font-size: 1rem; }

  .facts__list { grid-template-columns: 1fr 1fr; gap: 0 18px; }
  .fact__num { font-size: clamp(2.6rem, 13vw, 3.6rem); }

  .program__controls { flex-direction: column; flex-wrap: nowrap; align-items: stretch; margin-left: calc(var(--gutter) * -1); margin-right: calc(var(--gutter) * -1); padding: 10px var(--gutter); border-bottom: 1px solid var(--line); }
  .day-tabs { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; }
  .day-tab { padding: 9px 14px; align-items: center; text-align: center; }
  .chips { flex-wrap: nowrap; overflow-x: auto; margin: 0 calc(var(--gutter) * -1); padding: 2px var(--gutter); scrollbar-width: none; }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; }
  .day-panel__count { margin-left: 0; width: 100%; }
  .slot { grid-template-columns: 22px minmax(0, 1fr); }
  .slot__rail { grid-column: 1; grid-row: 1 / span 2; }
  .slot__rail::before { left: 6px; }
  .slot__dot { left: 6px; top: 24px; }
  .slot--break .slot__dot { top: 24px; }
  .slot:first-child .slot__rail::before { top: 28px; }
  .slot:last-child .slot__rail::before { bottom: auto; height: 28px; }
  .slot__time { grid-column: 2; flex-direction: row; align-items: baseline; gap: 8px; padding-top: 18px; }
  .slot__time time { font-size: 1.2rem; }
  .slot__time span { margin-top: 0; }
  .slot__time span::before { content: "– "; }
  .slot__card { grid-column: 2; margin: 8px 0 14px; padding: 20px; border-radius: 18px; }
  .slot__card--break { padding: 12px 16px; }
  .slot__speakers { flex-direction: column; gap: 12px; }

  .speaker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 14px; }
  .speaker__name { font-size: 1.02rem; margin-top: 12px; }
  .speaker__role, .speaker__org { font-size: .82rem; }
  .speaker__more { width: 36px; height: 36px; right: 10px; bottom: 10px; }

  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .bento__item, .bento__item--wide, .bento__item--tall, .bento__item--large { grid-column: auto; grid-row: auto; }
  .exp { min-height: 300px; }
  .bento__item--large .exp, .bento__item--tall .exp { min-height: 400px; }

  .countdown__unit { padding: 0 8px; }
  .countdown__unit:first-child { border-left: 0; padding-left: 0; }
  .countdown__label { font-size: .62rem; letter-spacing: .12em; }

  .masonry { columns: 2; column-gap: 10px; }
  .masonry__item { margin-bottom: 10px; }
  .shot__cap { display: none; }
  .lightbox__figure { padding: 72px 12px 90px; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: 22px; margin-top: 0; }
  .lightbox__prev { left: calc(50% - 64px); }
  .lightbox__next { right: calc(50% - 64px); }

  .tier { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .tier__logos, .tier--lead .tier__logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .logo-cell { padding: 14px; border-radius: 14px; }
  .logo-cell img { max-height: 44px; }
  .tier--lead .logo-cell img { max-height: 56px; }

  .venue__map { min-height: 320px; }
  .form__row { grid-template-columns: 1fr; }
  .form__foot .btn { width: 100%; }
  .modal { border-radius: 22px; max-height: 90vh; }
  .to-top { right: 14px; bottom: 14px; width: 46px; height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero__line > span { transform: none; }
  .js .reveal { opacity: 1; transform: none; }
}