/* GoAI Tech Conclave 2026 — shared design system */
:root {
  --navy-950: #020b22;
  --navy-900: #031233;
  --navy-850: #05173d;
  --navy-800: #071c4a;
  --navy-700: #0c2a66;
  --navy-line: rgba(76, 122, 230, 0.45);
  --blue: #2f6bff;
  --blue-soft: #4c8dff;
  --cyan: #2ec5ff;
  --yellow: #ffc61a;
  --amber: #ffa41b;
  --orange: #ff6a1a;
  --orange-deep: #f2531d;
  --green: #21c97a;
  --purple: #9b5cff;
  --white: #ffffff;
  --text: #e9eefc;
  --muted: #b5c0dd;
  --ink: #0b1f52;

  --grad-hot: linear-gradient(90deg, var(--yellow) 0%, var(--amber) 45%, var(--orange) 100%);
  --grad-btn: linear-gradient(90deg, #ffa323 0%, #ff7a1c 55%, #ff5a1a 100%);
  --grad-btn-y: linear-gradient(90deg, #ffc61a 0%, #ffa21b 50%, #ff6a1a 100%);

  --font-display: "Archivo", "Arial Black", system-ui, sans-serif;
  --font-body: "Outfit", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 14px;
  --container: 1720px;
  --gutter: clamp(16px, 6.6vw, 140px);
  --ev-w: min(1500px, 76vw);
  --shadow-glow-o: 0 0 0 1px rgba(255, 166, 26, 0.6), 0 0 26px rgba(255, 130, 26, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  color: var(--text);
  background: var(--navy-900);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.1; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
svg.i { width: 1em; height: 1em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- text helpers ---------- */
.grad-text {
  background: var(--grad-hot);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.section-title.grad-text, h2.grad-text { color: transparent; display: table; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 0; white-space: nowrap; max-width: 100%;
  font-family: var(--font-body); font-weight: 500;
  font-size: 14px; letter-spacing: 0.32em; text-transform: uppercase;
  color: var(--white);
}
.eyebrow::after {
  content: ""; width: 124px; height: 7px; flex: 0 1 124px; min-width: 28px; margin-left: 18px;
  background:
    radial-gradient(circle at calc(100% - 3.5px) 50%, #fff 3px, transparent 3.6px),
    linear-gradient(#fff, #fff) 0 50% / calc(100% - 4px) 1px no-repeat;
}
.eyebrow--y::after {
  background:
    radial-gradient(circle at calc(100% - 4px) 50%, var(--yellow) 4px, transparent 4.6px),
    linear-gradient(var(--yellow), var(--yellow)) 0 50% / calc(100% - 4px) 2px no-repeat;
  width: 92px; height: 9px;
}

.bar { display: block; width: 52px; height: 4px; border-radius: 4px; background: var(--grad-hot); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 0 34px; height: 58px; border-radius: 999px;
  font-family: var(--font-body); font-weight: 600; font-size: 20px; letter-spacing: 0.01em;
  color: #fff; background: var(--grad-btn);
  box-shadow: 0 10px 30px -10px rgba(255, 106, 26, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform .2s ease, box-shadow .2s ease, filter .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); filter: brightness(1.06); box-shadow: 0 16px 34px -10px rgba(255, 106, 26, 0.85); }
.btn .i { font-size: 1.05em; }
.btn--caps { text-transform: uppercase; }
.btn--y { background: var(--grad-btn-y); color: #1a1405; font-weight: 600; }
.btn--sm { height: 46px; padding: 0 26px; font-size: 16px; }
.btn--ghost { background: transparent; border: 1.5px solid rgba(255,255,255,.55); box-shadow: none; }
.btn--ghost:hover { background: rgba(255,255,255,.08); box-shadow: none; }

.pill-outline {
  display: inline-flex; align-items: center; gap: 10px;
  height: 34px; padding: 0 18px; border-radius: 999px;
  border: 1.6px solid currentColor;
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  transition: background .2s ease;
}
.pill-outline span { color: #fff; }
.pill-outline:hover { background: rgba(255,255,255,.07); }

.circle-btn {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1.5px solid rgba(255,255,255,.85);
  background: rgba(2, 11, 34, 0.65);
  color: #fff; font-size: 22px;
  transition: background .2s ease, transform .2s ease;
}
.circle-btn:hover { background: rgba(255,255,255,.14); }

.arrow-circ {
  width: 34px; height: 34px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  border: 1.5px solid rgba(255,255,255,.8); color: #fff; font-size: 16px;
}

/* ---------- decorative backgrounds ---------- */
.deco-waves { position: relative; isolation: isolate; }
.deco-waves::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    url("../public/images/bg-contours.svg") left top / auto min(100%, 860px) no-repeat,
    url("../public/images/bg-ribbon.svg") left bottom / min(1100px, 70%) auto no-repeat;
}
.deco-dots { position: relative; }
.deco-dots::after {
  content: ""; position: absolute; top: 0; right: 0; width: min(320px, 30%); height: 100%;
  pointer-events: none; z-index: 0;
  background-image: radial-gradient(circle, rgba(255, 166, 26, .9) 1.6px, transparent 2.2px);
  background-size: 18px 18px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 100% 40%, #000 0%, transparent 70%);
  mask-image: radial-gradient(ellipse 80% 60% at 100% 40%, #000 0%, transparent 70%);
}
.deco-dots--blue::after { background-image: radial-gradient(circle, rgba(76, 141, 255, .75) 1.6px, transparent 2.2px); }

/* ---------- header / navbar ---------- */
.site-header {
  position: absolute; top: 18px; left: 0; right: 0; z-index: 50;
  padding: 0 clamp(12px, 2.1vw, 40px);
  transition: transform .3s ease;
}
.site-header.is-fixed { position: fixed; top: 10px; animation: dropIn .35s ease; }
@keyframes dropIn { from { transform: translateY(-110%); } to { transform: none; } }
.nav {
  margin: 0 auto; max-width: none;
  display: flex; align-items: center; gap: 24px;
  background: #fff; color: var(--ink);
  border-radius: 18px; padding: 12px 18px 12px 34px;
  box-shadow: 0 18px 50px -20px rgba(0, 0, 0, .55);
  min-height: 90px;
}
.nav__brand { display: flex; align-items: center; gap: 0; flex: none; }
.nav__brand img { height: 64px; width: auto; }
.nav__brand .b-goai { height: 62px; }
.nav__brand .b-dite { height: 68px; }
.nav__brand .b-sitpc { height: 66px; }
.nav__brand .sep { width: 1.5px; height: 56px; background: var(--ink); margin: 0 18px 0 22px; opacity: .85; }
.nav__menu { margin-left: auto; display: flex; align-items: center; gap: clamp(10px, 1.6vw, 26px); }
.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 6px;
  font-size: 15px; font-weight: 500; color: var(--ink); padding: 10px 0; white-space: nowrap;
  letter-spacing: -0.01em;
}
.nav__link .i { font-size: 15px; transition: transform .2s; }
.nav__link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2.5px; border-radius: 2px;
  background: var(--orange); transform: scaleX(0); transition: transform .2s ease;
}
.nav__link:hover, .nav__link.is-active { color: var(--orange-deep); }
.nav__link.is-active::after, .nav__link:hover::after { transform: scaleX(1); }
.has-drop { position: relative; }
.drop {
  position: absolute; top: calc(100% + 12px); left: 50%; min-width: 250px;
  transform: translate(-50%, 8px); opacity: 0; visibility: hidden;
  background: #fff; border-radius: 14px; padding: 10px;
  box-shadow: 0 24px 50px -16px rgba(3, 18, 51, .45); border: 1px solid #e5eaf6;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 5;
}
.drop::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
.drop a {
  display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 10px;
  font-size: 15px; font-weight: 500; color: var(--ink);
}
.drop a .i { font-size: 18px; color: var(--orange); }
.drop a:hover { background: #fff3e8; color: var(--orange-deep); }
.has-drop:hover .drop, .has-drop.is-open .drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.has-drop:hover > .nav__link .i, .has-drop.is-open > .nav__link .i { transform: rotate(180deg); }

.nav__cta {
  display: inline-flex; align-items: center; gap: 10px; flex: none;
  height: 52px; padding: 0 26px; border-radius: 999px;
  background: var(--grad-btn); color: #fff; font-weight: 600; font-size: 17px; letter-spacing: .02em;
  box-shadow: 0 10px 24px -10px rgba(255, 106, 26, .8);
}
.nav__cta .i { transition: transform .2s; }
.has-drop:hover .nav__cta .i, .has-drop.is-open .nav__cta .i { transform: rotate(180deg); }
.nav__toggle { display: none; width: 46px; height: 46px; border-radius: 12px; background: #f1f4fb; color: var(--ink); font-size: 24px; place-items: center; margin-left: auto; }

/* ---------- hero slider ---------- */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 640px; max-height: 1400px; overflow: hidden; background: var(--navy-950); }
.hero__slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity .8s ease, visibility .8s;
}
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; transform: scale(1.06); transition: transform 7s ease; }
.hero__slide.is-active .hero__bg { transform: scale(1); }
.hero__slide::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(2, 13, 42, .97) 0%, rgba(3, 18, 56, .9) 30%, rgba(4, 24, 70, .55) 48%, rgba(4, 24, 70, 0) 66%),
    linear-gradient(0deg, rgba(3, 18, 51, .9) 0%, rgba(3, 18, 51, 0) 22%);
}
.hero__slide::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: url("../public/images/bg-ribbon.svg") left bottom / min(1000px, 70%) auto no-repeat;
  opacity: .75;
}
.hero__content {
  position: relative; z-index: 2; height: 100%;
  display: flex; flex-direction: column; justify-content: safe center;
  padding-top: 120px; padding-bottom: 120px;
}
.hero__content > * { max-width: 760px; }
.hero__eyebrow { font-size: 19px; letter-spacing: .3em; margin-bottom: 26px; }
.hero__title {
  font-family: var(--font-display); font-weight: 900; text-transform: uppercase;
  font-size: clamp(36px, 4vw, 76px); line-height: 1.04; letter-spacing: -0.01em; color: #fff;
}
.hero__content > .hero__title { max-width: 960px; }
.hero__title .grad-text { display: block; background: linear-gradient(90deg, #ffb21d 0%, #ff8f1e 50%, #ff6a1a 100%); -webkit-background-clip: text; background-clip: text; }
.hero__sub {
  margin-top: 14px; font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(22px, 2.15vw, 30px); line-height: 1.15; color: #fff;
}
.hero__lead { margin-top: 12px; font-family: var(--font-body); font-weight: 600; font-size: clamp(20px, 1.95vw, 28px); line-height: 1.2; color: #dfe6fb; max-width: 640px; }
.hero__meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 30px; font-size: 20px; color: #fff; }
.hero__meta span { display: inline-flex; align-items: center; gap: 14px; }
.hero__meta .i { font-size: 34px; color: var(--amber); stroke-width: 1.7; }
.hero__meta .div { width: 1.5px; height: 34px; background: rgba(255,255,255,.55); margin: 0 8px; }
.hero__text { margin-top: 24px; font-size: 19px; line-height: 1.42; color: #e7ecfa; font-weight: 300; max-width: 500px; }
.hero__text--wide { max-width: 580px; font-weight: 400; }
.hero .btn { margin-top: 28px; align-self: flex-start; height: 60px; padding: 0 44px; font-size: 21px; }

.pillars { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 22px; max-width: 640px; }
.pillar { text-align: center; padding: 0 10px; position: relative; }
.pillar + .pillar::before { content: ""; position: absolute; left: 0; top: 18px; height: 70px; width: 1px; background: rgba(255,255,255,.25); }
.pillar__icon {
  width: 74px; height: 74px; margin: 0 auto 10px; border-radius: 50%;
  display: grid; place-items: center; color: #fff; font-size: 34px;
  border: 3px solid; position: relative;
}
.pillar__icon .i { stroke-width: 1.8; }
.pillar__icon--blue { border-color: #2d8bff; background: radial-gradient(circle at 50% 35%, #1f5fe0, #0a2a78); box-shadow: 0 0 22px rgba(45,139,255,.6); }
.pillar__icon--orange { border-color: #ff7a1c; background: radial-gradient(circle at 50% 35%, #a63c12, #4a1708); box-shadow: 0 0 22px rgba(255,122,28,.55); }
.pillar__icon--green { border-color: #1fd27a; background: radial-gradient(circle at 50% 35%, #0f7a4b, #053420); box-shadow: 0 0 22px rgba(31,210,122,.5); }
.pillar__icon--purple { border-color: #a35cff; background: radial-gradient(circle at 50% 35%, #5b23b8, #24104f); box-shadow: 0 0 22px rgba(163,92,255,.55); }
.pillar h3 { font-family: var(--font-body); font-weight: 600; font-size: 16px; line-height: 1.2; color: #fff; }
.pillar p { margin-top: 4px; font-size: 13px; line-height: 1.35; color: #c9d3ee; }

.hero__arcs { position: absolute; z-index: 1; right: 22%; top: 30%; width: 560px; height: 560px; pointer-events: none; }
.hero__arcs::before, .hero__arcs::after { content: ""; position: absolute; border-radius: 50%; border: 26px solid transparent; }
.hero__arcs::before { inset: 0; border-top-color: #1f6dff; border-left-color: #1f6dff; transform: rotate(10deg); opacity: .85; filter: drop-shadow(0 0 16px rgba(31,109,255,.7)); }
.hero__arcs::after { inset: 80px; border-top-color: #ff7a1c; border-left-color: #ff7a1c; transform: rotate(14deg); opacity: .9; filter: drop-shadow(0 0 14px rgba(255,122,28,.6)); }

.hero__arrow { position: absolute; z-index: 5; top: 50%; transform: translateY(-50%); }
.hero__arrow--prev { left: clamp(10px, 1.3vw, 20px); }
.hero__arrow--next { right: clamp(10px, 1.6vw, 24px); }
.hero__dots {
  position: absolute; z-index: 5; left: 0; right: 0; bottom: clamp(60px, 7vw, 92px);
}
.hero__dots .container { display: flex; gap: 22px; }
.hero__dot { display: inline-flex; align-items: center; gap: 18px; font-size: 19px; font-weight: 500; color: rgba(255,255,255,.6); }
.hero__dot::after { content: ""; width: 56px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.35); transition: background .3s; }
.hero__dot.is-active { color: #fff; }
.hero__dot.is-active::after { background: linear-gradient(90deg, #ff9a1f, #ff5a1a); }

/* ---------- sections ---------- */
.section { position: relative; padding: clamp(64px, 7vw, 100px) 0; }
.section--deep { background: radial-gradient(ellipse 55% 65% at 42% 38%, rgba(18, 56, 140, .45), rgba(18, 56, 140, 0) 70%), linear-gradient(180deg, #031131 0%, #04153a 100%); }
.section--mid { background: radial-gradient(ellipse 55% 65% at 42% 38%, rgba(20, 60, 150, .5), rgba(20, 60, 150, 0) 70%), linear-gradient(180deg, #05173d 0%, #041332 100%); }
.section-head {
  display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 32px;
  margin-bottom: 30px; position: relative; z-index: 1;
}
.section-title {
  margin-top: 12px; font-family: var(--font-body); font-weight: 700;
  font-size: clamp(34px, 3.7vw, 52px); letter-spacing: -0.01em; color: #fff;
}
.section-title--caps { font-family: var(--font-display); font-weight: 900; text-transform: uppercase; letter-spacing: -0.01em; line-height: 1.02; }
.section-desc { font-size: 16px; line-height: 1.55; color: #dbe3f7; max-width: 580px; }
.section-desc .bar { margin-top: 14px; }
.section-desc--sm { font-size: 15px; }

/* ---------- resources ---------- */
.res-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; position: relative; z-index: 1; }
.res-card {
  --c: var(--blue-soft);
  position: relative; overflow: hidden; display: flex; align-items: center; min-height: 150px;
  border-radius: 12px; border: 1.5px solid var(--c);
  background: linear-gradient(105deg, #061a46 0%, #071b44 55%, #0a2050 100%);
  box-shadow: 0 0 22px -8px var(--c);
  transition: transform .25s ease, box-shadow .25s ease;
}
.res-card:hover { transform: translateY(-4px); box-shadow: 0 0 30px -6px var(--c); }
.res-card--orange { --c: #ff8a1f; background: linear-gradient(105deg, #1d1a2b 0%, #141a33 55%, #1c1d30 100%); }
.res-card--green { --c: #1fbf8a; background: linear-gradient(105deg, #06213a 0%, #062033 55%, #0b2638 100%); }
.res-card__icon {
  flex: none; width: 62px; height: 62px; margin-left: 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: 28px; color: var(--c);
  background: radial-gradient(circle, rgba(255,255,255,.08), rgba(255,255,255,.02));
  border: 1px solid rgba(255,255,255,.12);
}
.res-card__icon .i { stroke-width: 1.7; }
.res-card__body { position: relative; z-index: 2; padding: 22px 0 22px 20px; flex: 1; }
.res-card h3 { font-family: var(--font-body); font-weight: 600; font-size: 17.5px; line-height: 1.25; color: #fff; }
.res-card .pill-outline { margin-top: 16px; color: var(--c); }
.res-card__img {
  position: absolute; right: 0; top: 0; bottom: 0; width: 42%;
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 0 100%);
}
.res-card__img img { width: 100%; height: 100%; object-fit: cover; }
.res-card__img--doc { background: linear-gradient(120deg, #ffad2a, #ff7a1c); }
.res-card__img--doc img { width: 74%; height: 120%; object-fit: cover; object-position: top; margin: -4% 0 0 26%; transform: rotate(8deg); box-shadow: -6px 6px 14px rgba(0,0,0,.35); }
.res-card__body { max-width: 60%; }

/* ---------- carousels (generic) ---------- */
.carousel { position: relative; z-index: 1; }
.dots { display: flex; justify-content: center; gap: 12px; margin-top: 34px; }
.dots button { width: 18px; height: 11px; border-radius: 6px; background: #31406b; transition: background .25s, width .25s; }
.dots button.is-active { width: 18px; height: 18px; margin-top: -3.5px; border-radius: 50%; background: linear-gradient(135deg, #ffb21d, #ff6a1a); }

/* ---------- events ---------- */
.events { overflow: hidden; }
.ev-stage { position: relative; z-index: 1; margin-top: 10px; }
.ev-track { display: grid; justify-items: center; align-items: center; }
.ev-card {
  --d: 0;
  grid-area: 1 / 1; width: var(--ev-w); position: relative; display: grid; grid-template-columns: 1.05fr 1fr;
  border-radius: 16px; overflow: hidden; min-height: 356px;
  background: #061536; border: 1.5px solid rgba(76, 122, 230, .35);
  opacity: .5; transform: translateX(calc(var(--d) * (100% + 22px))) scale(.94);
  transition: opacity .5s, transform .6s cubic-bezier(.2,.7,.2,1), box-shadow .5s, border-color .5s;
}
.ev-card.is-far { opacity: 0; pointer-events: none; }
.ev-card.is-active { opacity: 1; transform: none; z-index: 2; border: 2.5px solid #ff9a1f; box-shadow: 0 0 34px rgba(255, 140, 30, .45), inset 0 0 0 1px rgba(255,198,26,.3); }
.ev-card__media { position: relative; min-height: 100%; }
.ev-card__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ev-card__body {
  position: relative; padding: 52px 40px 40px; display: flex; flex-direction: column; justify-content: center;
  background: url("../public/images/waves-warm.svg") right top / 75% auto no-repeat, linear-gradient(110deg, #061536, #071a40);
}
.ev-card__body > * { position: relative; }
.ev-tag { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px; border-radius: 999px; border: 1.3px solid #ff9a1f; color: var(--yellow); font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.ev-card h3 { margin-top: 18px; font-family: var(--font-body); font-weight: 600; font-size: clamp(24px, 2.2vw, 32px); color: #fff; }
.ev-card p { margin-top: 16px; font-size: 18px; line-height: 1.4; color: #d8e0f5; font-weight: 300; max-width: 440px; }
.ev-card .btn { margin-top: 26px; align-self: flex-start; height: 52px; padding: 0 30px; font-size: 16px; font-weight: 700; text-transform: uppercase; color: #1a1405; }
.ev-card__label { display: none; }
.ev-card:not(.is-active) .ev-card__label { display: block; position: absolute; z-index: 3; bottom: 40px; font-size: 22px; font-weight: 600; color: #fff; line-height: 1.2; }
.ev-card:not(.is-active) .ev-card__body > * { visibility: hidden; }
.ev-card:not(.is-active) .ev-card__body { background: transparent; position: absolute; inset: 0; }
.ev-card:not(.is-active) { grid-template-columns: 1fr; }
.ev-card.is-left .ev-card__label { right: 40px; text-align: left; }
.ev-card.is-right .ev-card__label { left: 40px; }
.ev-card:not(.is-active)::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(4,16,44,.85), rgba(4,16,44,.25)); z-index: 2; }
.ev-nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 4; }
.ev-nav--prev { left: max(18px, calc(50% - var(--ev-w) / 2 - 140px)); }
.ev-nav--next { right: max(18px, calc(50% - var(--ev-w) / 2 - 140px)); }

/* ---------- agenda ---------- */
.agenda-grid { display: grid; grid-template-columns: 1fr 1.02fr; gap: 30px; align-items: start; position: relative; z-index: 1; }
.tabs { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--navy-line); border-radius: 10px; background: #061536; margin-bottom: 14px; }
.tab { padding: 14px 10px; text-align: center; border-radius: 10px; position: relative; }
.tab + .tab::before { content: ""; position: absolute; left: 0; top: 14px; bottom: 14px; width: 1px; background: var(--navy-line); }
.tab b { display: block; font-size: 14px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: #fff; }
.tab span { display: block; margin-top: 2px; font-size: 14px; color: #d4dcf2; }
.tab.is-active { background: linear-gradient(180deg, rgba(255, 140, 30, .25), rgba(120, 50, 10, .2)); box-shadow: inset 0 0 0 2px #ff9a1f, 0 0 20px rgba(255, 140, 30, .35); }
.tab.is-active b, .tab.is-active span { color: var(--yellow); }
.tab.is-active::before, .tab.is-active + .tab::before { display: none; }

.timeline { position: relative; }
.tl-item { display: grid; grid-template-columns: 112px 1fr; gap: 6px; margin-bottom: 12px; position: relative; }
.tl-item::before { content: ""; position: absolute; left: 10px; top: 32px; bottom: -42px; width: 2px; background: #3b4a78; }
.tl-item:last-child::before { display: none; }
.tl-time { position: relative; padding: 20px 0 0 38px; font-size: 14.5px; line-height: 1.45; color: #d4dcf2; }
.tl-time::before { content: ""; position: absolute; left: 3px; top: 26px; width: 16px; height: 16px; border-radius: 50%; background: #6773a0; }
.tl-item.is-active .tl-time { color: var(--yellow); }
.tl-item.is-active .tl-time::before { background: var(--yellow); box-shadow: 0 0 10px rgba(255, 198, 26, .7); }
.session {
  display: flex; align-items: center; gap: 14px; text-align: left; width: 100%;
  padding: 14px 18px 14px 24px; border-radius: 10px;
  border: 1px solid var(--navy-line); background: #061536;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.session:hover { border-color: rgba(255, 166, 26, .6); }
.tl-item.is-active .session { border: 2px solid #ff9a1f; box-shadow: 0 0 22px rgba(255, 140, 30, .35); background: #08183a; }
.session__main { flex: 1; min-width: 0; }
.session__type { font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: #ff9a2e; }
.session__title { margin-top: 2px; font-size: 17.5px; font-weight: 600; color: #fff; line-height: 1.3; }
.session .arrow-circ { width: 36px; height: 36px; }
.tl-item.is-active .session .arrow-circ { border-color: #ff9a1f; color: var(--yellow); }

.detail {
  position: sticky; top: 120px;
  border-radius: 12px; overflow: hidden; border: 1.5px solid #ff8a1f;
  background: #041232; box-shadow: 0 0 26px -6px rgba(255, 140, 30, .4);
}
.detail__media { position: relative; aspect-ratio: 626 / 222; }
.detail__media img { width: 100%; height: 100%; object-fit: cover; }
.detail__badge { position: absolute; top: 20px; right: 20px; height: 32px; padding: 0 14px; display: inline-flex; align-items: center; border-radius: 999px; border: 1.3px solid #ff9a1f; background: rgba(4, 12, 32, .55); color: var(--yellow); font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.detail__body { padding: 18px 28px 28px; }
.detail h3 { font-family: var(--font-body); font-size: clamp(22px, 2vw, 28px); font-weight: 600; color: #fff; }
.detail__meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 14px; font-size: 13.5px; color: #e3e9f8; }
.detail__meta span { display: inline-flex; align-items: center; gap: 9px; }
.detail__meta .i { color: var(--amber); font-size: 18px; }
.detail__desc { margin-top: 18px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,.14); font-size: 15px; line-height: 1.45; color: #d6def3; }
.detail__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; align-items: center; }
.detail__actions .btn { height: 50px; padding: 0 44px; font-size: 17px; font-weight: 700; color: #1a1405; }
.link-cal { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: #d4dcf2; border-bottom: 1px dashed rgba(255,255,255,.4); padding-bottom: 2px; }
.link-cal:hover { color: var(--yellow); }

/* ---------- connect ---------- */
.connect { position: relative; overflow: hidden; background: #041232; padding: clamp(70px, 6vw, 90px) 0 60px; }
.connect__bg { position: absolute; inset: 0 0 0 auto; width: 62%; height: 100%; object-fit: cover; object-position: 60% 50%; }
.connect::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, #041232 0%, #041232 38%, rgba(4, 18, 50, .82) 55%, rgba(4, 18, 50, .15) 80%, rgba(4,18,50,0) 100%);
}
.connect::after { z-index: 1; }
.connect .container { position: relative; z-index: 2; }
.connect h2 { margin-top: 14px; font-family: var(--font-display); font-weight: 900; text-transform: uppercase; font-size: clamp(38px, 4.2vw, 60px); letter-spacing: -0.01em; }
.connect__lead { margin-top: 14px; font-size: clamp(18px, 1.5vw, 21px); line-height: 1.4; color: #fff; max-width: 600px; }
.connect .bar { margin-top: 18px; width: 66px; height: 6px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 890px; margin-top: 38px; }
.contact-card {
  display: flex; align-items: center; gap: 22px; min-height: 120px; padding: 18px 18px 18px 16px;
  border-radius: 8px; border: 1.5px solid rgba(46, 96, 220, .75);
  background: rgba(3, 13, 38, .78); backdrop-filter: blur(3px);
  transition: border-color .2s, transform .2s;
}
.contact-card:hover { border-color: var(--yellow); transform: translateY(-2px); }
.contact-card__icon { flex: none; width: 70px; height: 70px; border-radius: 50%; border: 3px solid var(--yellow); display: grid; place-items: center; color: var(--yellow); font-size: 32px; }
.contact-card__icon .i { stroke-width: 2.2; }
.contact-card__text { flex: 1; min-width: 0; }
.contact-card h3 { font-family: var(--font-body); font-size: 19px; font-weight: 600; color: #fff; }
.contact-card p { margin-top: 4px; font-size: 16px; line-height: 1.45; color: #e3e9f8; overflow-wrap: anywhere; }
.contact-card .arrow-circ { width: 46px; height: 46px; border: 2.5px solid var(--yellow); color: var(--yellow); font-size: 20px; }
.follow { margin-top: 36px; }
.follow .eyebrow { font-size: 14px; letter-spacing: .2em; font-weight: 600; }
.follow .eyebrow::after { width: 50px; height: 6px; background: var(--grad-hot); border-radius: 4px; }

/* ---------- footer ---------- */
.site-footer { background: #021a47; border-top: 1px solid rgba(76, 122, 230, .5); color: #e6ecfa; }
.footer-main { display: grid; grid-template-columns: 1.55fr .78fr .78fr 1.4fr; padding-top: 34px; padding-bottom: 40px; }
.f-col { padding: 0 30px; border-left: 1px solid rgba(255,255,255,.22); }
.f-col:first-child { border-left: 0; padding-left: 0; display: flex; flex-direction: column; justify-content: center; }
.f-logos { display: flex; align-items: center; gap: 26px; }
.f-logos .f-goai { width: 118px; border-radius: 2px; }
.f-logos .f-dite { width: 68px; }
.f-logos .f-sitpc { width: 160px; }
.f-tag { margin-top: 18px; font-size: 17px; line-height: 1.45; color: #e6ecfa; max-width: 330px; }
.f-col:first-child .bar { margin-top: 18px; width: 58px; height: 5px; }
.f-col h4 { font-family: var(--font-body); font-size: 19px; font-weight: 600; color: #fff; }
.f-col h4::after { content: ""; display: block; width: 30px; height: 4px; border-radius: 4px; margin-top: 14px; background: var(--grad-hot); }
.f-links { margin-top: 14px; display: grid; gap: 4px; }
.f-links a { font-size: 15.5px; color: #e6ecfa; }
.f-links a:hover { color: var(--yellow); }
.f-contact { margin-top: 14px; display: grid; gap: 12px; }
.f-contact li { display: flex; align-items: center; gap: 18px; font-size: 15px; line-height: 1.4; }
.f-contact .ic { flex: none; width: 44px; height: 44px; border-radius: 50%; border: 2px solid var(--yellow); display: grid; place-items: center; color: var(--yellow); font-size: 20px; }
.f-contact a:hover { color: var(--yellow); }
.footer-bottom { border-top: 1px solid rgba(76, 122, 230, .55); }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; font-size: 15px; }
.footer-bottom .made { display: inline-flex; align-items: center; gap: 12px; padding-left: 34px; border-left: 1px solid rgba(255,255,255,.3); min-height: 26px; }
.footer-bottom .made::after { content: ""; width: 30px; height: 4px; border-radius: 4px; background: var(--grad-hot); }

/* ---------- modal + forms ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: grid; place-items: center; padding: 16px; background: rgba(1, 7, 22, .72); backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s; }
.modal.is-open { opacity: 1; visibility: visible; }
.modal__box { position: relative; width: min(520px, 100%); max-height: calc(100vh - 32px); overflow: auto; border-radius: 16px; border: 1.5px solid #ff8a1f; background: #061536; padding: 30px 28px 28px; box-shadow: 0 30px 80px -20px rgba(0,0,0,.7); }
.modal__close { position: absolute; top: 12px; right: 12px; width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; font-size: 20px; color: #fff; background: rgba(255,255,255,.08); }
.modal h3 { font-family: var(--font-body); font-size: 24px; font-weight: 600; color: #fff; padding-right: 30px; }

.form { display: grid; gap: 14px; margin-top: 20px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: grid; gap: 6px; }
.field label { font-size: 13px; font-weight: 500; color: #d4dcf2; letter-spacing: .02em; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; font: inherit; font-size: 15px; color: #fff;
  background: #04102c; border: 1px solid var(--navy-line); transition: border-color .2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field select option { background: #04102c; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 0; border-color: var(--yellow); }
.form .btn { justify-self: start; height: 52px; font-size: 17px; }
.form-msg { display: none; padding: 12px 14px; border-radius: 10px; font-size: 14px; background: rgba(33, 201, 122, .12); border: 1px solid rgba(33, 201, 122, .5); color: #c7f5df; }
.form-msg.is-show { display: block; }
.msg { max-width: 86%; padding: 10px 13px; border-radius: 14px; font-size: 14px; line-height: 1.45; white-space: pre-line; }
.msg a { color: var(--yellow); text-decoration: underline; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- large screens: scale type with the wider container ---------- */
@media (min-width: 1600px) {
  .hero__content > * { max-width: 920px; }
  .hero__content > .hero__title { max-width: 1240px; }
  .hero__eyebrow { font-size: 21px; }
  .hero__meta { font-size: 23px; }
  .hero__meta .i { font-size: 38px; }
  .hero__text { font-size: 21px; max-width: 600px; }
  .hero__text--wide { max-width: 700px; }
  .hero__sub { font-size: 34px; }
  .hero__lead { font-size: 32px; max-width: 760px; }
  .pillars { max-width: 760px; }
  .hero .btn { height: 66px; padding: 0 50px; font-size: 23px; }
  .section-desc { font-size: 18px; max-width: 640px; }
  .nav__link { font-size: 16px; }
}

/* ---------- responsive ---------- */
@media (max-width: 1360px) {
  .speakers .carousel { padding: 0 60px; }
}
@media (max-width: 1240px) {
  .nav { padding-left: 22px; }
  .nav__brand img { height: 52px; }
  .nav__brand .b-goai { height: 50px; }
  .nav__brand .sep { margin: 0 12px; height: 46px; }
  .nav__link { font-size: 14px; }
  .nav__cta { height: 48px; padding: 0 20px; font-size: 16px; }
}
@media (max-width: 1100px) {
  .nav__toggle { display: grid; }
  .nav__menu {
    position: absolute; left: clamp(12px, 2.2vw, 32px); right: clamp(12px, 2.2vw, 32px); top: calc(100% + 8px);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 18px;
    background: #fff; border-radius: 16px; box-shadow: 0 24px 50px -16px rgba(3, 18, 51, .5);
    max-height: calc(100vh - 140px); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.is-open .nav__menu { opacity: 1; visibility: visible; transform: none; }
  .nav__link { width: 100%; padding: 13px 4px; font-size: 16px; border-bottom: 1px solid #edf0f8; justify-content: space-between; }
  .nav__link::after { display: none; }
  .drop { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 6px 10px; display: none; min-width: 0; }
  .has-drop.is-open .drop { display: block; transform: none; }
  .has-drop:hover .drop { transform: none; }
  .nav__cta { margin-top: 14px; width: 100%; justify-content: center; }
  .agenda-grid { grid-template-columns: 1fr; }
  .detail { position: relative; top: 0; }
  .res-grid { grid-template-columns: 1fr 1fr; }
  .res-card:last-child { grid-column: 1 / -1; }
  .footer-main { grid-template-columns: 1fr 1fr; row-gap: 34px; }
  .f-col:nth-child(3) { border-left: 1px solid rgba(255,255,255,.22); }
  .f-col:first-child { grid-column: 1 / -1; }
  .f-col:nth-child(2) { padding-left: 0; border-left: 0; }
  .connect__bg { width: 100%; opacity: .45; }
}
@media (max-width: 860px) {
  .section-head { grid-template-columns: 1fr; }
  .res-grid { grid-template-columns: 1fr; }
  .res-card:last-child { grid-column: auto; }
  .ev-card { grid-template-columns: 1fr; }
  .ev-card__media { min-height: 220px; position: relative; }
  .ev-card__body { padding: 28px 24px 30px; }
  .contact-grid { grid-template-columns: 1fr; }
  .hero__content > * { max-width: 100%; }
  .hero__slide::before { background: linear-gradient(90deg, rgba(2,13,42,.94) 0%, rgba(3,18,56,.82) 60%, rgba(4,24,70,.55) 100%), linear-gradient(0deg, rgba(3,18,51,.9), rgba(3,18,51,0) 30%); }
  .hero__arcs { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .nav { min-height: 70px; padding: 8px 10px 8px 14px; border-radius: 14px; }
  .nav__brand img { height: 38px; }
  .nav__brand .b-goai { height: 38px; }
  .nav__brand .b-dite { height: 40px; }
  .nav__brand .b-sitpc { height: 36px; }
  .nav__brand .sep { margin: 0 8px; height: 34px; width: 1px; }
  .nav__toggle { width: 42px; height: 42px; }
  .hero { height: auto; min-height: 100vh; min-height: 100svh; max-height: none; }
  .events { --ev-w: 86vw; }
  .tab { padding: 12px 6px; }
  .tab b { font-size: 12px; letter-spacing: .02em; }
  .tab span { font-size: 12px; }
  .hero__content { padding-top: 120px; padding-bottom: 130px; }
  .hero__eyebrow { font-size: 13px; letter-spacing: .22em; margin-bottom: 16px; }
  .hero__eyebrow::after { width: 60px; }
  .hero__meta { font-size: 16px; gap: 10px; }
  .hero__meta .i { font-size: 26px; }
  .hero__meta .div { display: none; }
  .hero__text { font-size: 16px; }
  .hero .btn { height: 54px; padding: 0 28px; font-size: 17px; }
  .hero__arrow { display: none; }
  .hero__dots { bottom: 36px; }
  .hero__dot { gap: 8px; font-size: 15px; min-height: 44px; }
  .hero__dot::after { width: 26px; }
  .hero__dots .container { gap: 12px; }
  .pillars { grid-template-columns: 1fr 1fr; row-gap: 18px; }
  .pillar:nth-child(3)::before { display: none; }
  .pillar__icon { width: 64px; height: 64px; font-size: 26px; }
  .res-grid { grid-template-columns: 1fr; }
  .speakers .carousel { padding: 0; }
  .eyebrow { letter-spacing: .2em; font-size: 12.5px; }
  .res-card__icon { width: 50px; height: 50px; margin-left: 14px; font-size: 22px; }
  .res-card__body { padding-left: 14px; max-width: 66%; }
  .res-card__img { width: 32%; clip-path: polygon(30% 0, 100% 0, 100% 100%, 0 100%); }
  .res-card h3 { font-size: 16px; }
  .ev-nav { top: 110px; width: 44px; height: 44px; }
  .ev-nav--prev { left: 12px; }
  .ev-nav--next { right: 12px; }
  .tl-item { grid-template-columns: 1fr; gap: 6px; }
  .tl-item::before { display: none; }
  .tl-time { padding: 0 0 0 26px; display: flex; gap: 6px; }
  .tl-time::before { top: 5px; width: 12px; height: 12px; }
  .detail__body { padding: 16px 18px 22px; }
  .contact-card { gap: 14px; min-height: 0; }
  .contact-card__icon { width: 56px; height: 56px; font-size: 24px; }
  .contact-card .arrow-circ { display: none; }
  .footer-main { grid-template-columns: 1fr; }
  .f-col, .f-col:nth-child(3) { padding: 0; border-left: 0; }
  .f-logos { gap: 16px; flex-wrap: wrap; }
  .f-logos .f-goai { width: 96px; }
  .f-logos .f-sitpc { width: 130px; }
  .footer-bottom .container { flex-direction: column; justify-content: center; padding-top: 16px; padding-bottom: 16px; text-align: center; }
  .footer-bottom .made { border-left: 0; padding-left: 0; }
  .form .row { grid-template-columns: 1fr; }
}

/* ---------- latest-updates ticker (under the nav) ---------- */
.ticker {
  display: flex; align-items: center; height: 38px; margin: 8px auto 0; overflow: hidden;
  border-radius: 999px; background: rgba(3, 18, 51, .88); border: 1px solid rgba(255, 166, 26, .55);
  box-shadow: 0 10px 30px -14px rgba(0, 0, 0, .7); color: #e9eefc; font-size: 15px;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.ticker__label {
  flex: none; display: inline-flex; align-items: center; gap: 8px; height: 100%; padding: 0 18px;
  background: var(--grad-btn); color: #fff; font-weight: 700; font-size: 13px; letter-spacing: .14em; text-transform: uppercase;
}
.ticker__dot { width: 8px; height: 8px; border-radius: 50%; background: #fff; animation: tickerPulse 1.4s ease-in-out infinite; }
@keyframes tickerPulse { 50% { opacity: .25; } }
.ticker__viewport { flex: 1; min-width: 0; overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.ticker__track { display: inline-flex; white-space: nowrap; animation: tickerMove 60s linear infinite; }
.ticker:hover .ticker__track { animation-play-state: paused; }
.ticker__track span { padding: 0 28px; position: relative; }
.ticker__track span::after { content: ""; position: absolute; right: -4px; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: var(--amber); }
@keyframes tickerMove { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker__track { animation: none; } }
.site-header.is-fixed .ticker { display: none; }
.hero__content { padding-top: 170px; }

/* ---------- nav CTA as a single link ---------- */
a.nav__cta .i { transform: none; }
a.nav__cta:hover .i { transform: translateX(3px); }

/* ---------- hero banners: one look per message ---------- */
.hero__slide { --accent: linear-gradient(90deg, #ffb21d 0%, #ff8f1e 50%, #ff6a1a 100%); --tint: rgba(4, 24, 70, .55); --glow: rgba(255, 140, 30, .0); }
.hero__title .grad-text, .hero__slide .hero__big { background: var(--accent); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__slide--hackathon { --accent: linear-gradient(90deg, #5ff2c2 0%, #2ec5ff 60%, #2f8bff 100%); --glow: rgba(46, 197, 255, .22); }
.hero__slide--leaders { --accent: linear-gradient(90deg, #ffe066 0%, #ffc61a 50%, #ffa21b 100%); --glow: rgba(255, 198, 26, .16); }
.hero__slide--policy { --accent: linear-gradient(90deg, #d9b8ff 0%, #b07cff 50%, #8a5cff 100%); --glow: rgba(155, 92, 255, .24); }
.hero__slide--mission { --accent: linear-gradient(90deg, #9fd0ff 0%, #4c8dff 55%, #2f6bff 100%); --glow: rgba(47, 107, 255, .2); }
.hero__slide--hackathon::before, .hero__slide--leaders::before, .hero__slide--policy::before, .hero__slide--mission::before {
  background:
    radial-gradient(ellipse 60% 70% at 0% 60%, var(--glow), transparent 70%),
    linear-gradient(90deg, rgba(2, 13, 42, .97) 0%, rgba(3, 18, 56, .9) 30%, rgba(4, 24, 70, .55) 48%, rgba(4, 24, 70, 0) 66%),
    linear-gradient(0deg, rgba(3, 18, 51, .9) 0%, rgba(3, 18, 51, 0) 22%);
}
.hero__slide--hackathon .eyebrow::after { background: linear-gradient(90deg, #5ff2c2, #2ec5ff); }
.hero__slide--policy .eyebrow::after { background: linear-gradient(90deg, #d9b8ff, #8a5cff); }
.hero__slide--mission .eyebrow::after { background: linear-gradient(90deg, #9fd0ff, #2f6bff); }
.hero__slide--hackathon .btn { background: linear-gradient(90deg, #2ec5ff 0%, #2f8bff 100%); box-shadow: 0 12px 28px -12px rgba(46, 197, 255, .9); }
.hero__slide--policy .btn { background: linear-gradient(90deg, #b07cff 0%, #7b45f0 100%); box-shadow: 0 12px 28px -12px rgba(155, 92, 255, .9); }
.hero__slide--mission .btn { background: linear-gradient(90deg, #4c8dff 0%, #2f6bff 100%); box-shadow: 0 12px 28px -12px rgba(47, 107, 255, .9); }
.hero__slide--hackathon .hero__lead { color: #7fe9ff; }
.hero__title--stats { display: flex; flex-direction: column; gap: .06em; }
.hero__title--stats span { display: block; }
.hero__title--stats b, .hero__title--stats b.grad-text { display: inline; font-weight: 900; }
.hero__content > .hero__title--stats { font-size: clamp(32px, 3.4vw, 64px); }
.hero__big { display: block; font-size: 1.9em; line-height: .95; }
.hero__list { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 12px; }
.hero__list li { display: flex; align-items: center; gap: 14px; font-size: clamp(17px, 1.4vw, 21px); font-weight: 500; color: #fff; }
.hero__list .i { flex: none; font-size: 28px; color: #c9a8ff; stroke-width: 1.8; }

/* ---------- resources with two cards ---------- */
.res-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 1100px) { .res-grid--2 .res-card:last-child { grid-column: auto; } }
@media (max-width: 640px) { .res-grid--2 { grid-template-columns: 1fr; } }

/* ---------- connect ---------- */
.contact-grid > :first-child { grid-column: 1 / -1; }
.follow__lead { margin-top: 16px; font-size: 16px; color: #e3e9f8; line-height: 1.5; max-width: 560px; }
.follow__links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 890px; margin-top: 18px; }
.follow-card {
  display: flex; align-items: center; gap: 18px; padding: 16px 18px; border-radius: 12px;
  border: 1.5px solid rgba(255, 255, 255, .28); background: rgba(3, 18, 51, .72);
  transition: border-color .2s, transform .2s;
}
.follow-card:hover { border-color: var(--yellow); transform: translateY(-3px); }
.follow-card img { flex: none; height: 46px; width: auto; max-width: 110px; object-fit: contain; }
.follow-card > span:not(.arrow-circ) { flex: 1; min-width: 0; font-size: 15px; color: #e3e9f8; overflow-wrap: anywhere; }
.follow-card b { display: block; font-size: 18px; font-weight: 600; color: #fff; }
.follow-card .arrow-circ { width: 42px; height: 42px; border: 2.5px solid var(--yellow); color: var(--yellow); font-size: 18px; }
@media (max-width: 860px) { .follow__links { grid-template-columns: 1fr; } }

@media (max-width: 1100px) {
  .ticker { font-size: 14px; }
}
@media (max-width: 640px) {
  .ticker { height: 34px; font-size: 13px; }
  .ticker__label { padding: 0 12px; font-size: 11px; }
  .hero__content { padding-top: 160px; }
  .hero__big { font-size: 1.6em; }
}
@media (max-width: 640px) {
  .hero__content > .hero__title--stats { font-size: 28px; }
  .hero__eyebrow { display: block; white-space: normal; line-height: 1.5; }
  .hero__eyebrow::after { display: none; }
}
@media (max-width: 640px) {
  .hero__dots .container { gap: 8px; padding-right: 76px; }
  .hero__dot { font-size: 14px; gap: 6px; }
  .hero__dot::after { width: 14px; }
}

/* ---------- hero: grow with the tallest slide so content never runs under the dots ---------- */
.hero { display: grid; height: auto; min-height: clamp(640px, 100vh, 1400px); min-height: clamp(640px, 100svh, 1400px); max-height: none; }
.hero__slide { position: relative; inset: auto; grid-area: 1 / 1; }
.hero__content { height: auto; min-height: 100%; padding-bottom: calc(clamp(60px, 7vw, 92px) + 84px); }
@media (max-width: 640px) {
  .hero__content { padding-bottom: 120px; }
}

/* ---------- laptop widths: keep the nav and its button inside the white bar ---------- */
@media (min-width: 1101px) and (max-width: 1500px) {
  .nav { gap: 16px; padding-left: 22px; padding-right: 14px; }
  .nav__brand img { height: 50px; }
  .nav__brand .b-goai { height: 48px; }
  .nav__brand .b-dite { height: 52px; }
  .nav__brand .b-sitpc { height: 50px; }
  .nav__brand .sep { height: 42px; margin: 0 12px; }
  .nav__menu { gap: clamp(10px, 1.1vw, 18px); }
  .nav__link { font-size: 14px; }
  .nav__cta { height: 46px; padding: 0 18px; font-size: 15px; gap: 8px; }
}
/* between 1101px and 1199px the full menu does not fit, so use the menu button (same rules as max-width: 1100px) */
@media (min-width: 1101px) and (max-width: 1199px) {
  .nav__toggle { display: grid; }
  .nav__menu {
    position: absolute; left: clamp(12px, 2.2vw, 32px); right: clamp(12px, 2.2vw, 32px); top: calc(100% + 8px);
    flex-direction: column; align-items: stretch; gap: 0; padding: 10px 16px 18px;
    background: #fff; border-radius: 16px; box-shadow: 0 24px 50px -16px rgba(3, 18, 51, .5);
    max-height: calc(100vh - 140px); overflow-y: auto;
    opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.is-open .nav__menu { opacity: 1; visibility: visible; transform: none; }
  .nav__link { width: 100%; padding: 13px 4px; font-size: 16px; border-bottom: 1px solid #edf0f8; justify-content: space-between; }
  .nav__link::after { display: none; }
  .drop { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 0 0 6px 10px; display: none; min-width: 0; }
  .has-drop.is-open .drop { display: block; transform: none; }
  .has-drop:hover .drop { transform: none; }
  .nav__cta { margin-top: 14px; width: 100%; justify-content: center; }
}
.hero { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 860px) {
  .hero__arrow { display: none; }
}
@media (max-width: 640px) {
  .section-head > * { min-width: 0; }
  .eyebrow { white-space: normal; letter-spacing: .2em; line-height: 1.5; }
}

/* ---------- registration form pop-up ---------- */
.modal--form .modal__box { width: min(760px, 100%); height: min(880px, calc(100vh - 32px)); height: min(880px, calc(100dvh - 32px)); display: flex; flex-direction: column; padding: 0; overflow: hidden; background: #fff; }
.modal--form .modal__head { flex: none; display: flex; align-items: center; gap: 14px; padding: 14px 14px 14px 22px; background: #061536; border-bottom: 1.5px solid #ff8a1f; }
.modal--form .modal__head h3 { flex: 1; min-width: 0; padding: 0; font-size: 20px; }
.modal--form .modal__ext { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: var(--yellow); white-space: nowrap; }
.modal--form .modal__ext:hover { text-decoration: underline; }
.modal--form .modal__close { position: static; flex: none; }
.modal--form iframe { flex: 1; width: 100%; border: 0; background: #fff; }
@media (max-width: 480px) {
  .modal--form { padding: 8px; }
  .modal--form .modal__box { height: calc(100vh - 16px); height: calc(100dvh - 16px); }
  .modal--form .modal__head { padding-left: 16px; }
  .modal--form .modal__head h3 { font-size: 17px; }
  .modal--form .modal__ext { font-size: 13px; }
}
.footer-legal { margin-left: 14px; padding-left: 14px; border-left: 1px solid rgba(255,255,255,.3); color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer-legal:hover { color: var(--yellow); }
/* short laptop screens: tighter hero spacing so the slide dots stay in view */
@media (min-width: 861px) and (max-height: 820px) {
  .hero__content { padding-top: 160px; padding-bottom: calc(clamp(60px, 7vw, 92px) + 56px); }
  .hero__eyebrow { margin-bottom: 14px; }
  .hero__meta { margin-top: 18px; }
  .hero__text { margin-top: 14px; }
  .hero__sub, .hero__lead { margin-top: 8px; }
  .hero__list { margin-top: 16px; gap: 8px; }
  .pillars { margin-top: 14px; }
  .hero .btn { margin-top: 18px; height: 54px; }
  .hero__dots { bottom: 40px; }
}
/* footer logos shrink to fit their column at laptop widths */
.footer-main > .f-col { min-width: 0; }
.f-logos img { flex-shrink: 1; min-width: 0; height: auto; }
@media (min-width: 1101px) and (max-width: 1400px) { .f-logos { gap: 16px; } }