/* ============================================================
   Section + component styles for the one-pager & register page
   ============================================================ */

/* ============== HERO ============== */
.hero {
  position: relative; color: #fff; isolation: isolate;
  background: radial-gradient(120% 120% at 80% -10%, #163056 0%, var(--navy-1) 45%, #06101f 100%);
  padding: clamp(130px, 16vh, 200px) 0 clamp(70px, 10vh, 120px);
  overflow: hidden;
}
/* dotted AI grid */
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,0.10) 1px, transparent 1.4px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 75%);
          mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 75%);
}
/* gradient glows */
.hero-glow { position: absolute; z-index: 0; border-radius: 50%; filter: blur(70px); opacity: .55; pointer-events: none; will-change: transform; }
.hero-glow.g1 { width: 520px; height: 520px; background: radial-gradient(circle, rgba(0,174,172,0.7), transparent 70%); top: -160px; right: -80px; animation: float1 16s var(--ease) infinite alternate; }
.hero-glow.g2 { width: 460px; height: 460px; background: radial-gradient(circle, rgba(231,45,62,0.55), transparent 70%); bottom: -180px; left: -100px; animation: float2 20s var(--ease) infinite alternate; }
.hero-glow.g3 { width: 360px; height: 360px; background: radial-gradient(circle, rgba(66,133,244,0.45), transparent 70%); top: 30%; left: 38%; animation: float3 22s var(--ease) infinite alternate; }
@keyframes float1 { to { transform: translate(-60px, 60px) scale(1.1); } }
@keyframes float2 { to { transform: translate(70px, -50px) scale(1.15); } }
@keyframes float3 { to { transform: translate(-40px, -40px) scale(0.92); } }
@media (prefers-reduced-motion: reduce) { .hero-glow { animation: none; } }

.hero .wrap { position: relative; z-index: 2; }
.hero-grid { display: grid; gap: clamp(40px, 5vw, 72px); align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 26px;
  padding: 8px 8px 8px 16px; border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.14);
  font-size: 13px; font-weight: 600; letter-spacing: 0.02em; color: rgba(255,255,255,0.9);
  backdrop-filter: blur(6px);
}
.hero-badge .dots { display: inline-flex; gap: 4px; }
.hero-badge .dots i { width: 8px; height: 8px; border-radius: 50%; display: block; }
.hero-badge .pill { background: var(--red-2); color:#fff; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: var(--radius-pill); }

.hero h1 { color: #fff; font-weight: 800; letter-spacing: -0.03em; line-height: 0.98; margin: 0 0 22px; font-size: clamp(44px, 7.4vw, 96px); }
.hero h1 .grad {
  background: var(--hero-grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
  font-style: italic;
}
.hero .sub { font-size: clamp(17px, 1.7vw, 22px); line-height: 1.5; color: rgba(255,255,255,0.78); max-width: 54ch; margin: 0 0 34px; font-weight: 400; }
.hero .sub strong { color: #fff; font-weight: 600; }

.hero-meta { display: flex; flex-wrap: wrap; gap: 26px; margin-bottom: 36px; }
.hero-meta .item { display: flex; align-items: center; gap: 11px; }
.hero-meta .ic { width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); color: var(--turquoise-2); flex-shrink: 0; }
.hero-meta .ic svg { width: 20px; height: 20px; }
.hero-meta .lbl { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,0.5); font-weight: 600; }
.hero-meta .val { font-size: 16px; font-weight: 600; color: #fff; }

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { font-size: 13px; color: rgba(255,255,255,0.55); display: flex; align-items: center; gap: 8px; }
.hero-note b { color: var(--turquoise-2); font-weight: 700; }

/* Countdown */
.countdown { display: flex; gap: 12px; margin-top: 40px; flex-wrap: wrap; }
.cd-unit { text-align: center; min-width: 76px; padding: 16px 10px; border-radius: var(--radius-md); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(6px); }
.cd-unit .n { font-size: 36px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.cd-unit .u { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,0.55); margin-top: 8px; font-weight: 600; }

/* hero side visual (split variant) */
.hero-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-lg);
  padding: 28px; backdrop-filter: blur(10px); box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}
.hero-card h4 { font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--turquoise-2); margin: 0 0 18px; font-weight: 700; }
.hero-card .row { display: flex; gap: 14px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,0.10); align-items: baseline; }
.hero-card .row:first-of-type { border-top: none; }
.hero-card .row .t { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--turquoise-2); font-size: 14px; min-width: 48px; }
.hero-card .row .x { font-size: 14px; color: rgba(255,255,255,0.85); font-weight: 500; }

/* hero layout variants (driven by [data-hero]) */
[data-hero="a"] .hero-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; max-width: 980px; margin-inline: auto; }
[data-hero="a"] .hero-meta, [data-hero="a"] .hero-cta, [data-hero="a"] .countdown { justify-content: center; }
[data-hero="a"] .hero-aside { display: none; }
[data-hero="a"] .hero .sub { margin-inline: auto; }

[data-hero="b"] .hero-grid { grid-template-columns: 1.15fr 0.85fr; }
@media (max-width: 920px) { [data-hero="b"] .hero-grid { grid-template-columns: 1fr; } [data-hero="b"] .hero-aside { display: none; } }

[data-hero="c"] .hero-grid { grid-template-columns: 1fr; max-width: 1100px; }
[data-hero="c"] .hero-aside { display: none; }
[data-hero="c"] .hero h1 { font-size: clamp(48px, 9vw, 120px); }
[data-hero="c"] .hero-ticker { display: flex; }

/* topic ticker (variant C) */
.hero-ticker { display: none; gap: 10px; flex-wrap: wrap; margin-top: 30px; }
.hero-ticker .t { font-size: 14px; font-weight: 600; padding: 9px 16px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,0.16); color: rgba(255,255,255,0.85); }

/* logo lockup */
.lockup { display: flex; align-items: center; gap: 20px; margin-top: 48px; flex-wrap: wrap; }
.lockup .lbl { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,0.45); font-weight: 600; }
.lockup .logos { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.partner-mark { display: inline-flex; align-items: center; height: 34px; }
.chip-white { background:#fff; border-radius: 8px; padding: 7px 12px; display:inline-flex; align-items:center; box-shadow: var(--shadow-sm); }
.chip-white img { height: 22px; width: auto; }

/* ============== ABOUT / WHY ============== */
.about-head { display: grid; grid-template-columns: 1fr; gap: 16px; max-width: 940px; margin-bottom: 56px; }
.audience-toggle { display: inline-flex; background: var(--white); border: 1px solid #e7e7e7; border-radius: var(--radius-pill); padding: 5px; gap: 4px; margin-bottom: 30px; box-shadow: var(--shadow-sm); }
.audience-toggle button { font-family: var(--font-sans); border: none; background: transparent; cursor: pointer; font-weight: 600; font-size: 14px; padding: 10px 20px; border-radius: var(--radius-pill); color: var(--fg-2); transition: .2s; }
.audience-toggle button.active { background: var(--navy-1); color: #fff; }
.audience-panel { display: none; }
.audience-panel.active { display: block; animation: fadeUp .5s var(--ease); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 860px) { .why-grid { grid-template-columns: 1fr; } }
.why-card { background: #fff; border: 1px solid #ececec; border-radius: var(--radius-lg); padding: 30px 28px; transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s; }
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.why-card .ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 20px; }
.why-card .ic svg { width: 26px; height: 26px; }
.why-card h3 { font-size: 21px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.01em; }
.why-card p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--fg-2); }
.ic-red { background: var(--red-1); color: var(--red-3); }
.ic-teal { background: var(--turquoise-1); color: var(--turquoise-4); }
.ic-blue { background: rgba(66,133,244,0.12); color: var(--g-blue); }

/* stat strip */
.statstrip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 64px; background: var(--navy-1); border-radius: var(--radius-lg); overflow: hidden; color: #fff; }
@media (max-width: 760px) { .statstrip { grid-template-columns: 1fr 1fr; } }
.statstrip .s { padding: 34px 26px; position: relative; }
.statstrip .s + .s::before { content: ""; position: absolute; left: 0; top: 26%; bottom: 26%; width: 1px; background: rgba(255,255,255,0.12); }
.statstrip .num { font-size: clamp(34px, 4vw, 46px); font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.statstrip .num .accent { color: var(--turquoise-2); }
.statstrip .lbl { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 10px; line-height: 1.4; }

/* ============== AGENDA ============== */
.agenda { max-width: 920px; margin-inline: auto; }
.agenda-item {
  display: grid; grid-template-columns: 116px 1fr auto; gap: 24px; align-items: start;
  padding: 22px 24px; border-radius: var(--radius-md); transition: background .25s, transform .25s var(--ease);
  position: relative;
}
.agenda-item + .agenda-item { border-top: 1px solid #ececec; }
.agenda-item:hover { background: #fff; box-shadow: var(--shadow-md); transform: translateX(4px); border-color: transparent; }
.agenda-item:hover + .agenda-item { border-color: transparent; }
.agenda-time { font-weight: 700; font-size: 17px; color: var(--red-2); font-variant-numeric: tabular-nums; letter-spacing: -0.01em; padding-top: 2px; }
.agenda-body h4 { margin: 0 0 5px; font-size: 18px; font-weight: 700; letter-spacing: -0.01em; }
.agenda-body .who { font-size: 14px; color: var(--fg-2); font-weight: 500; }
.agenda-body .who b { color: var(--fg-1); font-weight: 600; }
.agenda-tag { font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 5px 11px; border-radius: var(--radius-pill); align-self: center; }
.tag-break { background: var(--turquoise-1); color: var(--turquoise-4); }
.tag-key { background: var(--red-1); color: var(--red-3); }
.tag-tbc { background: #eee; color: #777; }
.tag-google { background: rgba(66,133,244,0.12); color: var(--g-blue); }
@media (max-width: 640px) {
  .agenda-item { grid-template-columns: 1fr; gap: 6px; padding: 18px 16px; }
  .agenda-tag { justify-self: start; margin-top: 6px; }
}

/* ============== SPEAKERS ============== */
.speakers-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 1000px) { .speakers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .speakers-grid { grid-template-columns: 1fr 1fr; gap: 14px; } }

.spk { background: #fff; border: 1px solid #ececec; border-radius: var(--radius-lg); overflow: hidden; transition: transform .3s var(--ease), box-shadow .3s var(--ease); position: relative; }
.spk:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.spk-photo { aspect-ratio: 1 / 1; position: relative; background: linear-gradient(150deg, var(--turquoise-1), var(--red-1)); overflow: hidden; }
.spk-photo .ph { position: absolute; inset: 0; display: grid; place-items: center; color: rgba(10,24,48,0.22); }
.spk-photo .ph svg { width: 46%; height: 46%; }
.spk-photo .initials { position: absolute; inset: 0; display: grid; place-items: center; font-size: clamp(34px, 6vw, 52px); font-weight: 800; color: rgba(255,255,255,0.92); letter-spacing: -0.02em; text-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.spk-tbc { position: absolute; top: 12px; right: 12px; background: rgba(255,255,255,0.92); color: #666; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 5px 10px; border-radius: var(--radius-pill); backdrop-filter: blur(4px); }
.spk-info { padding: 20px 20px 24px; }
.spk-info .name { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 3px; }
.spk-info .role { font-size: 13px; font-weight: 600; color: var(--red-2); margin: 0 0 12px; }
.spk-info .bio { font-size: 13.5px; line-height: 1.55; color: var(--fg-2); margin: 0; }

/* speaker variant B — horizontal */
[data-speakers="b"] .speakers-grid { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 720px) { [data-speakers="b"] .speakers-grid { grid-template-columns: 1fr; } }
[data-speakers="b"] .spk { display: grid; grid-template-columns: 132px 1fr; align-items: stretch; }
[data-speakers="b"] .spk-photo { aspect-ratio: auto; height: 100%; }
[data-speakers="b"] .spk-info { padding: 22px 22px; align-self: center; }

/* speaker variant C — minimal avatar + hover bio */
[data-speakers="c"] .speakers-grid { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px) { [data-speakers="c"] .speakers-grid { grid-template-columns: repeat(2,1fr); } }
[data-speakers="c"] .spk { border: none; background: transparent; text-align: center; box-shadow: none; }
[data-speakers="c"] .spk:hover { transform: translateY(-4px); box-shadow: none; }
[data-speakers="c"] .spk-photo { width: 132px; height: 132px; aspect-ratio: 1/1; border-radius: 50%; margin: 0 auto 18px; box-shadow: var(--shadow-md); }
[data-speakers="c"] .spk-tbc { top: auto; bottom: 0; right: 50%; transform: translateX(50%); }
[data-speakers="c"] .spk-info { padding: 0 6px; }

/* ============== LOCATION ============== */
.loc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 860px) { .loc-grid { grid-template-columns: 1fr; gap: 32px; } }
.map-card { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; aspect-ratio: 4 / 3; background: #dde7ee; }
.map-card .pin { position: absolute; top: 44%; left: 50%; transform: translate(-50%,-50%); z-index: 3; }
.map-card .pin .dot { width: 22px; height: 22px; border-radius: 50%; background: var(--red-2); border: 4px solid #fff; box-shadow: 0 4px 14px rgba(231,45,62,0.5); }
.map-card .pin .pulse { position: absolute; inset: -8px; border-radius: 50%; border: 2px solid var(--red-2); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(0.6); opacity: .8; } 100% { transform: scale(2.2); opacity: 0; } }
.travel-note { display: flex; gap: 14px; align-items: flex-start; margin-top: 18px; }
.travel-note .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--turquoise-1); color: var(--turquoise-4); display: grid; place-items: center; flex-shrink: 0; }
.travel-note .ic svg { width: 19px; height: 19px; }
.travel-note p { margin: 0; font-size: 14px; color: var(--fg-2); line-height: 1.5; }
.travel-note b { color: var(--fg-1); }

/* ============== PARTNERS ============== */
.partners { display: flex; align-items: center; justify-content: center; gap: clamp(28px, 6vw, 80px); flex-wrap: wrap; }
.partner { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.partner .role { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--fg-muted); font-weight: 700; }
.partner img { height: 44px; width: auto; }

/* text wordmark fallbacks for partners */
.wordmark { font-weight: 800; letter-spacing: -0.02em; display: inline-flex; align-items: baseline; }
.wm-google { font-size: 34px; }
.wm-google .b{color:#4285F4}.wm-google .r{color:#EA4335}.wm-google .y{color:#FBBC05}.wm-google .g{color:#34A853}
.wm-iaapa { font-size: 30px; color: var(--navy-1); letter-spacing: .02em; }
.wm-iaapa span { color: var(--turquoise-3); }

/* ============== FOOTER CTA ============== */
.footcta { background: radial-gradient(110% 120% at 20% 0%, #163056 0%, var(--navy-1) 55%, #06101f 100%); color: #fff; position: relative; overflow: hidden; }
.footcta::before { content:""; position:absolute; inset:0; background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1.4px); background-size: 30px 30px; -webkit-mask-image: radial-gradient(100% 100% at 50% 100%, #000, transparent 70%); mask-image: radial-gradient(100% 100% at 50% 100%, #000, transparent 70%); }
.footcta .wrap { position: relative; z-index: 2; text-align: center; }
.footcta h2 { font-size: clamp(34px, 5vw, 60px); font-weight: 800; letter-spacing: -0.025em; line-height: 1.04; margin: 0 0 18px; }
.footcta h2 .grad { background: var(--hero-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-style: italic; }
.footcta .meta { display: inline-flex; gap: 28px; flex-wrap: wrap; justify-content: center; margin: 26px 0 36px; color: rgba(255,255,255,0.75); font-weight: 500; font-size: 16px; }
.footcta .meta .item { display: inline-flex; align-items: center; gap: 9px; }
.footcta .meta svg { width: 18px; height: 18px; color: var(--turquoise-2); }

footer.site { background: #06101f; color: rgba(255,255,255,0.6); padding: 40px 0; }
footer.site .row { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer.site .chip-white img { height: 20px; }
footer.site a { color: rgba(255,255,255,0.7); text-decoration: none; }
footer.site a:hover { color: #fff; }
footer.site .links { display: flex; gap: 24px; font-size: 14px; flex-wrap: wrap; }
footer.site .copy { font-size: 13px; }