/* === Tokens === */
:root {
  --bg: #F6F8FD;
  --surface: #E9F0FB;
  --accent-soft: #BFD4F5;
  --accent: #1F6FD6;
  --accent-dark: #1554AC;
  --ink: #13203F;
  --navy: #152A63;
  --green: #15A35A;
  --purple: #6B2FB3;
  --teal: #1E8FC6;
  --orange: #D9641E;
  --text-mid: #4B5A78;
  --text-light: #6E7B95;
  --border: #D5E0F0;
  --header-bg: #152A63;
  --serif: "Inter", -apple-system, system-ui, sans-serif;
  --sans: "Inter", -apple-system, system-ui, sans-serif;
  --shadow-sm: 0 2px 8px rgba(19,32,63,0.06);
  --shadow-md: 0 8px 24px rgba(19,32,63,0.10);
  --grad: linear-gradient(90deg, #1F6FD6 0%, #1E9AD6 45%, #15A35A 100%);
  --grad-bp: linear-gradient(90deg, #1F6FD6 0%, #6B2FB3 100%);
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { color: var(--ink); }
img { max-width: 100%; display: block; }

/* === Typography === */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; letter-spacing: -0.3px; color: var(--ink); line-height: 1.2; margin: 0; }
.eyebrow { font-size: 12px; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); }

/* === Sticky header === */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: #fff; color: var(--ink);
  padding: 12px 32px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px;
}
.site-header nav { display: flex; gap: 20px; flex: 1; justify-content: center; }
.site-header nav a { color: var(--text-mid); font-weight: 600; font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; }
.site-header nav a:hover { color: var(--accent); }
.site-header .cta-reserve {
  background: var(--grad-bp); color: #fff; font-weight: 700;
  padding: 9px 18px; border-radius: 8px;
  font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase;
}
.site-header .cta-reserve:hover { filter: brightness(1.08); color: #fff; }

/* === Sections === */
section { padding: 44px 32px; max-width: 1080px; margin: 0 auto; }
section h2 { font-size: 34px; margin-bottom: 14px; }
section .subtitle { color: var(--text-mid); font-size: 17px; max-width: 580px; }

/* === Buttons === */
.btn-primary {
  display: inline-block; background: var(--grad-bp); color: #fff;
  padding: 14px 32px; border-radius: 10px; font-weight: 700;
  font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase;
  border: none; cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.08); color: #fff; }

/* === Topic cards === */
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 40px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 28px; box-shadow: var(--shadow-sm); }
.card.featured { background: var(--surface); border-color: var(--accent-soft); }
.card .tag { font-size: 11px; letter-spacing: 1.5px; color: var(--accent); text-transform: uppercase; margin-bottom: 10px; }
.card h3 { font-size: 21px; margin-bottom: 10px; }
.card p { color: var(--text-mid); font-size: 16px; margin: 0; }

/* === Tools deck === */
.tools-deck { position: relative; max-width: 420px; margin: 56px auto 0; outline: none; }
.tools-deck:focus-visible { box-shadow: 0 0 0 3px rgba(31,111,214,0.25); border-radius: 14px; }
.deck-stack { position: relative; height: 380px; perspective: 1200px; }

.deck-card {
  position: absolute; inset: 0;
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 18px 48px rgba(19,32,63,0.18), 0 2px 6px rgba(19,32,63,0.06);
  display: flex; flex-direction: column;
  cursor: pointer; user-select: none;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.3, 1), opacity 0.5s, box-shadow 0.3s;
  transform-origin: center bottom;
  will-change: transform, opacity;
}
.deck-card.no-anim { transition: none !important; }
.deck-card.top { transform: translate3d(0, 0, 0) rotate(0deg); z-index: 30; }
.deck-card.top:hover { box-shadow: 0 24px 60px rgba(19,32,63,0.22), 0 2px 6px rgba(19,32,63,0.08); }
.deck-card.behind-1 { transform: translate3d(0, 10px, -40px) rotate(-2.4deg) scale(0.97); z-index: 20; cursor: default; }
.deck-card.behind-2 { transform: translate3d(0, 20px, -80px) rotate(2.1deg) scale(0.94); z-index: 10; cursor: default; }
.deck-card.behind-3 { transform: translate3d(0, 30px, -120px) rotate(-1.4deg) scale(0.91); z-index: 5; opacity: 0.65; cursor: default; }
.deck-card.hidden-back { transform: translate3d(0, 36px, -160px) rotate(1.6deg) scale(0.88); z-index: 1; opacity: 0; cursor: default; pointer-events: none; }
.deck-card.dismissing { transform: translate3d(130%, -40px, 0) rotate(18deg); opacity: 0; z-index: 40; }

.deck-card .body {
  padding: 40px 36px 36px;
  flex: 1; display: flex; flex-direction: column;
  gap: 6px;
}
.deck-card .pill {
  display: inline-block; padding: 3px 9px; border-radius: 3px;
  font-size: 10px; letter-spacing: 1.2px; text-transform: uppercase;
  margin-bottom: 10px; align-self: flex-start;
}
.deck-card .pill.live { background: #DDF3E7; color: #0F6B3B; }
.deck-card .pill.coming { background: var(--surface); color: #8a6e1f; }
.deck-card h3 { font-size: 22px; margin-bottom: 8px; }
.deck-card .pitch { font-size: 15px; color: var(--text-mid); margin: 0 0 14px; line-height: 1.55; }
.deck-card .outcome { font-size: 14px; color: var(--text-light); font-style: italic; margin: 0 0 18px; }
.deck-card .demo-link { margin-top: auto; font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; color: var(--accent-dark); align-self: flex-start; }
.deck-card .demo-link:hover { color: var(--ink); }

.deck-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; margin-top: 36px;
}
.deck-btn {
  background: #fff; border: 1px solid var(--border); color: var(--ink);
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer;
  font-size: 16px; line-height: 1; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.deck-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.deck-btn:active { transform: scale(0.94); }
.deck-counter {
  font-family: var(--serif); font-size: 17px; color: var(--text-mid);
  min-width: 64px; text-align: center;
}
.deck-counter .deck-divider { color: var(--text-light); margin: 0 4px; }
.deck-current { color: var(--ink); font-weight: 500; }
.deck-hint { text-align: center; font-size: 12px; color: var(--text-light); margin: 14px 0 0; letter-spacing: 0.3px; }

/* === Topics deck (text-only variant) === */
.topics-deck { position: relative; max-width: 560px; margin: 48px auto 0; outline: none; }
.topics-deck:focus-visible { box-shadow: 0 0 0 3px rgba(31,111,214,0.25); border-radius: 14px; }
.topics-deck .deck-stack { height: 360px; }
.deck-card--text { padding: 0; }
.deck-card--text .body {
  padding: 44px 38px;
  flex: 1; display: flex; flex-direction: column; justify-content: center;
  gap: 14px;
}
.deck-card--text .tag {
  font-size: 11px; letter-spacing: 2px; color: var(--accent);
  text-transform: uppercase; align-self: flex-start;
}
.deck-card--text h3 { font-size: 26px; line-height: 1.25; color: var(--ink); }
.deck-card--text .pitch { font-size: 16px; line-height: 1.6; color: var(--text-mid); margin: 0; }
.deck-card--text.is-featured { background: var(--navy); }
.deck-card--text.is-featured .tag { color: #9EC2FF; }
.deck-card--text.is-featured h3 { color: #fff; }
.deck-card--text.is-featured .pitch { color: #CFE0FF; }

/* === Tools deck with sidebar nav === */
.tools-explorer {
  display: grid; grid-template-columns: minmax(0, 1fr) 240px;
  gap: 40px; max-width: 760px; margin: 56px auto 0; align-items: start;
}
.tools-explorer .tools-deck { margin: 0; max-width: none; }
.tool-jumplist { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--border); }
.tool-jumplist li { margin: 0; }
.tool-jumplist a {
  display: block; padding: 12px 18px; font-size: 13px; color: var(--text-mid);
  text-transform: uppercase; letter-spacing: 1.2px;
  border-left: 2px solid transparent; margin-left: -1px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.tool-jumplist a:hover { color: var(--ink); background: rgba(191,212,245,0.25); }
.tool-jumplist a.is-active { color: var(--ink); border-left-color: var(--accent); font-weight: 500; }
.tool-jumplist .pill {
  display: inline-block; margin-left: 8px; padding: 1px 6px; border-radius: 3px;
  font-size: 9px; letter-spacing: 1px; vertical-align: middle;
}
.tool-jumplist .pill.live { background: #DCEAE4; color: #3D5A4F; }
.tool-jumplist .pill.coming { background: var(--surface); color: #8a6e1f; }

/* === Who's joining — scrolling logo marquee === */
.whos-joining { text-align: center; }
.whos-joining .subtitle { margin-left: auto; margin-right: auto; }
.logo-marquee {
  margin-top: 40px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
          mask-image: linear-gradient(to right, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.logo-track {
  display: flex; gap: 16px;
  width: max-content;
  animation: logo-scroll 40s linear infinite;
}
.logo-marquee:hover .logo-track { animation-play-state: paused; }
@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.logo-tile {
  position: relative; flex: 0 0 auto;
  width: 160px; min-height: 100px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px;
  padding: 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.logo-name {
  font-family: var(--serif); font-size: 15px; color: var(--ink);
  font-weight: 500; text-align: center; line-height: 1.25;
  letter-spacing: 0.2px;
}
.logo-tile img {
  width: 40px; height: 40px;
  object-fit: contain; display: none;
}
.logo-tile.has-logo img { display: block; }
@media (max-width: 768px) {
  .logo-tile { width: 130px; min-height: 88px; padding: 10px; gap: 8px; }
  .logo-tile img { width: 32px; height: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; flex-wrap: wrap; justify-content: center; width: auto; }
}

/* === Hosts === */
.hosts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; margin-top: 40px; }
.host { text-align: center; }
.host img { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; object-position: center top; margin: 0 auto 18px; border: 3px solid #fff; box-shadow: var(--shadow-md); }
.host h3 { font-size: 21px; margin-bottom: 4px; }
.host .role { font-size: 12px; letter-spacing: 1px; color: var(--accent); text-transform: uppercase; margin-bottom: 14px; }
.host p { font-size: 15px; color: var(--text-mid); line-height: 1.65; }

/* === Form === */
.form-section { background: var(--surface); max-width: none; padding-left: 32px; padding-right: 32px; text-align: center; }
.form-section .subtitle { margin-left: auto; margin-right: auto; }
.form-wrap { max-width: 520px; margin: 32px auto 0; text-align: left; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-mid); margin-bottom: 6px; }
.form-row label .opt { color: var(--text-light); text-transform: none; letter-spacing: 0; font-size: 12px; font-style: italic; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 5px;
  background: #fff; font-size: 16px; font-family: inherit;
  color: var(--ink);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,111,214,0.15);
}
.form-row textarea { min-height: 90px; resize: vertical; }
.form-row .helper { font-size: 12px; color: var(--text-light); margin-top: 4px; }
.checkbox-group {
  display: flex; flex-direction: column; gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--border); border-radius: 5px;
  background: #fff;
}
.checkbox-item {
  display: flex; align-items: flex-start; gap: 12px;
  cursor: pointer;
  font-size: 15px; color: var(--text-mid);
  text-transform: none; letter-spacing: 0;
  margin-bottom: 0; line-height: 1.4;
}
.checkbox-item input[type="checkbox"] {
  width: 18px; height: 18px; margin: 2px 0 0; padding: 0;
  flex-shrink: 0; accent-color: var(--accent); cursor: pointer;
}
.form-row.has-error .checkbox-group { border-color: #b14a3f; }
.form-row .error { font-size: 13px; color: #b14a3f; margin-top: 4px; display: none; }
.form-row.has-error .error { display: block; }
.form-row.has-error input, .form-row.has-error select, .form-row.has-error textarea { border-color: #b14a3f; }
.form-submit { text-align: center; margin-top: 28px; }

.form-success { display: none; text-align: center; padding: 40px 20px; }
.form-success.show { display: block; }
.form-success h3 { font-size: 26px; margin-bottom: 12px; }
.form-success p { color: var(--text-mid); font-size: 16px; }

/* === Footer === */
.site-footer { background: var(--surface); color: var(--ink); padding: 48px 32px; text-align: center; border-top: 4px solid transparent; border-image: var(--grad) 1; }
.site-footer a { color: var(--accent-dark); font-weight: 600; }
.site-footer a:hover { color: var(--ink); }
.site-footer .url { font-family: var(--serif); font-size: 24px; margin-bottom: 12px; }
.site-footer .small { font-size: 13px; color: var(--text-mid); }
.member-strip {
  margin-top: 24px; padding-top: 22px;
  border-top: 1px solid rgba(19,32,63,0.1);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.member-label {
  font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--text-light);
}
.member-badges { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; justify-content: center; }
.member-badge {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0;
  transition: transform 0.2s;
}
.member-badge:hover { transform: translateY(-1px); }
.member-badge img { width: auto; display: block; }
.member-badge--nasscom img { height: 36px; }
.member-badge--ficci img { height: 110px; }
.member-badge--startup img { height: 60px; }


/* === Brands (header + footer) === */
.brands { display: flex; align-items: center; gap: 12px; }
.brand { display: inline-flex; align-items: center; }
.brand--gccv img { height: 38px; width: auto; display: block; }
.brand-x { color: var(--text-light); font-size: 16px; }
.brand--msqr { font-weight: 800; font-size: 20px; color: var(--navy); letter-spacing: -0.3px; }
.brand--msqr span { color: var(--orange); }
.brand--msqr small { font-size: 60%; font-weight: 600; color: var(--text-mid); }

/* === Hero === */
.hero {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg) 60%, #EEF2FB 100%);
  padding: 48px 32px 56px; max-width: none;
  border-bottom: 4px solid transparent; border-image: var(--grad) 1;
}
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.9fr);
  gap: 48px; max-width: 1080px; margin: 0 auto; align-items: center;
}
.hero-badge {
  display: inline-block; margin: 14px 0 18px; padding: 8px 20px; border-radius: 10px;
  background: var(--grad-bp); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
}
.hero h1 { font-size: 64px; line-height: 0.98; margin: 0 0 16px; color: var(--navy); font-weight: 800; letter-spacing: -1.5px; text-transform: uppercase; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .tagline { font-size: 22px; font-weight: 600; color: var(--purple); line-height: 1.3; margin: 0 0 16px; }
.hero .subtitle { margin: 0 0 24px; }
.hero .meta { color: var(--text-mid); font-size: 15px; margin: 18px 0 26px; display: flex; flex-wrap: wrap; gap: 8px 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.btn-ghost {
  display: inline-block; padding: 13px 24px; border-radius: 10px; border: 1.5px solid var(--accent-soft);
  color: var(--navy); font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 600; background: #fff;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.hero-hosted { margin: 22px 0 0; font-size: 14px; color: var(--text-mid); }
.hero-hosted strong { color: var(--ink); }

.hero-card { background: #fff; border-radius: 18px; box-shadow: 0 18px 48px rgba(19,32,63,0.14); overflow: hidden; border: 1px solid var(--border); }
.info-panel { display: grid; grid-template-columns: 1fr 1fr 1fr; background: var(--navy); color: #fff; }
.info-panel .info { padding: 22px 12px; text-align: center; border-right: 1px solid rgba(255,255,255,0.12); display: flex; flex-direction: column; align-items: center; gap: 4px; }
.info-panel .info:last-child { border-right: none; }
.info .icon { width: 42px; height: 42px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 6px; }
.icon--blue { background: var(--accent); } .icon--green { background: var(--green); } .icon--purple { background: var(--purple); }
.info .label { font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; font-weight: 700; }
.info:nth-child(1) .label { color: #9EC2FF; } .info:nth-child(2) .label { color: #7FE0A9; } .info:nth-child(3) .label { color: #CDB3FF; }
.info .value { font-size: 20px; font-weight: 800; line-height: 1.1; white-space: nowrap; }
.info .sub { font-size: 13px; opacity: 0.85; }
.attend { padding: 18px 20px 20px; text-align: center; }
.attend-label { display: block; font-size: 11px; letter-spacing: 3px; text-transform: uppercase; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.chip { padding: 7px 14px; border-radius: 8px; color: #fff; font-size: 13px; font-weight: 600; }
.chip--blue { background: var(--accent); } .chip--teal { background: var(--teal); } .chip--green { background: var(--green); } .chip--purple { background: var(--purple); } .chip--navy { background: var(--navy); }

/* === Agenda === */
.agenda { list-style: none; padding: 0; margin: 40px 0 0; border-left: 2px solid var(--accent-soft); }
.agenda li { display: grid; grid-template-columns: 90px 1fr; gap: 16px; padding: 14px 0 14px 22px; position: relative; }
.agenda li::before { content: ""; position: absolute; left: -7px; top: 22px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 2px solid #fff; box-shadow: 0 0 0 2px var(--accent-soft); }
.agenda li.break::before { background: var(--green); }
.agenda .time { font-weight: 800; color: var(--navy); font-size: 15px; padding-top: 2px; }
.agenda h3 { font-size: 17px; margin: 0 0 4px; }
.agenda p { margin: 0; color: var(--text-mid); font-size: 15px; }
.agenda li.break h3 { color: var(--text-mid); font-weight: 600; }

/* === Table questions === */
.questions { max-width: 640px; margin: 48px auto 0; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 28px 32px; box-shadow: var(--shadow-sm); }
.questions h3 { font-size: 19px; margin-bottom: 14px; }
.questions ol { margin: 0; padding-left: 22px; color: var(--text-mid); font-size: 15px; line-height: 1.6; }
.questions ol li { margin-bottom: 8px; }
.questions .small { font-size: 13px; color: var(--text-light); margin: 14px 0 0; }

/* === Partners === */
.partners-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 40px; }
.partner { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 30px; box-shadow: var(--shadow-sm); }
.partner-logo { height: 52px; width: auto; margin-bottom: 8px; }
.partner-wordmark { font-size: 30px; margin: 0 0 8px; line-height: 52px; }
.partner-strap { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-light); margin: 0 0 16px; font-weight: 600; }
.partner ul { margin: 0 0 18px; padding-left: 20px; color: var(--text-mid); font-size: 15px; line-height: 1.6; }
.partner-link { font-size: 12px; letter-spacing: 1.2px; text-transform: uppercase; font-weight: 700; }
.sponsor-call { margin-top: 32px; background: var(--surface); border-radius: 12px; padding: 28px 32px; }
.sponsor-call h3 { font-size: 19px; margin-bottom: 10px; }
.sponsor-call p { color: var(--text-mid); font-size: 15px; margin: 0 0 10px; }

/* === Footer extras === */
.footer-brands { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 10px; }
.footer-brand img { height: 36px; width: auto; }
.footer-contacts { display: flex; justify-content: center; gap: 48px; margin: 22px 0 0; }
.footer-contacts > div { display: flex; flex-direction: column; gap: 4px; font-size: 14px; }
.contact-label { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-light); font-weight: 700; }
.site-footer .chatham { margin-top: 22px; font-size: 12px; color: var(--text-light); }

/* === Form extras === */
.form-row label.checkbox-item { font-size: 15px; text-transform: none; letter-spacing: 0; color: var(--text-mid); line-height: 1.45; }
.form-row label.checkbox-item input[type="checkbox"] { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--accent); flex-shrink: 0; }
.form-row select { appearance: auto; }
.form-submit .consent { font-size: 12px; color: var(--text-light); margin: 14px auto 0; max-width: 420px; line-height: 1.5; }

/* === Responsive === */
@media (max-width: 768px) {
  .site-header { padding: 12px 16px; flex-wrap: wrap; }
  .site-header nav { display: none; }
  .brand--gccv img { height: 30px; }
  .site-header .brand--msqr { font-size: 16px; }
  .site-header .cta-reserve { padding: 8px 14px; font-size: 11px; }
  section { padding: 36px 20px; }
  .hero { padding: 28px 20px 36px; }
  .hero h1 { font-size: 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { text-align: center; }
  .hero .meta { justify-content: center; }
  .hero-actions { justify-content: center; }
  .info-panel { grid-template-columns: 1fr; }
  .info-panel .info { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
  .agenda li { grid-template-columns: 56px 1fr; }
  .partners-grid { grid-template-columns: 1fr; }
  .footer-contacts { flex-direction: column; gap: 14px; }
  .hosts-grid { grid-template-columns: 1fr; gap: 28px; }
  .cards-grid { grid-template-columns: 1fr; }
  .tools-deck { max-width: 340px; }
  .deck-stack { height: 420px; }
  .deck-card h3 { font-size: 20px; }
  .tools-explorer { grid-template-columns: 1fr; gap: 24px; max-width: 340px; }
  .tool-jumplist { border-left: none; border-top: 1px solid var(--border); padding-top: 16px; }
  .tool-jumplist a { border-left: none; border-bottom: 2px solid transparent; }
  .tool-jumplist a.is-active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .topics-deck .deck-stack { height: 380px; }
  .deck-card--text .body { padding: 32px 24px; }
  .deck-card--text h3 { font-size: 22px; }
}