/* ============================================================
   World AI Summit — header (nav) + footer (banner)
   Extracted verbatim from https://www.worldaisummit.com/
   ============================================================ */

:root {
  --wais-ink: #06070c;
  --wais-blue: #2a2ae5;
  --wais-magenta: #d8127d;
  --wais-violet: #7a2be2;
  --wais-cyan: #4dd7ff;
  --wais-grad: linear-gradient(95deg, var(--wais-blue) 0%, var(--wais-violet) 48%, var(--wais-magenta) 100%);
}

/* ---------- NAV (base, from style.css) ---------- */
.wais-nav {
  position: relative;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1086px;
  margin: 0 auto;
  padding: 5px 7px;
  background: white;
  border-radius: 50px;
  margin-top: 10px;
  margin-bottom: 20px;
}

.wais-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex: none;
}

.wais-logo img {
  height: 35px;
  width: auto;
}

.wais-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.wais-links a {
  position: relative;
  color: #000 !important;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding-bottom: 4px;
  transition: color .2s;
}

.wais-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--wais-grad);
  border-radius: 2px;
  transition: width .25s;
}

.wais-links a:hover {
  color: #000 !important;
}

.wais-links a:hover::after {
  width: 100%;
}

.wais-nav-cta,
.wais-nav-cta:hover {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #fff !important;
  text-decoration: none;
  padding: 11px 22px;
  border-radius: 99px;
  background: linear-gradient(95deg, #0022f6, #3026b6 45%, #c53d89);
  box-shadow: 0 6px 22px rgba(216, 18, 125, .36);
  transition: transform .2s, box-shadow .2s;
  display: inline-block;
  flex: none;
}

.wais-nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(216, 18, 125, .52);
}

/* ---------- NAV (header overrides — fixed pinned bar) ---------- */
/* Fixed header — stays pinned to top on scroll */
.wais-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgb(255 255 255);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 18px rgba(0, 0, 0, 0.35);
}

/* Center-aligned tabs */
.wais-links {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 1.75rem;
  margin: 0;
}

/* ===== Past Edition dropdown ===== */
.wais-dropdown {
  position: relative;
}

.wais-dropdown>a {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.wais-links>li>a,
.wais-dropdown:hover>a,
.wais-links>li>a:hover {
  color: #111;
  text-decoration: none;
}

.wais-submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  list-style: none;
  margin: 0;
  padding: 8px 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .18);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
  z-index: 1200;
}

.wais-dropdown:hover .wais-submenu,
.wais-dropdown:focus-within .wais-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.wais-submenu li {
  display: block;
  margin: 0;
  list-style: none;
}

.wais-submenu li a {
  display: block;
  padding: 11px 18px;
  white-space: nowrap;
  color: #111;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}

.wais-submenu li a:hover {
  background: #f2f2f2;
}

/* ===== Hamburger (hidden on desktop) ===== */
.wais-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 9px;
  margin-left: 14px;
  background: transparent;
  border: 0;
  cursor: pointer;
  border-radius: 8px;
}

.wais-burger span {
  display: block;
  height: 3px;
  width: 100%;
  background: #111;
  border-radius: 3px;
  transition: transform .3s ease, opacity .3s ease;
}

.wais-nav.open .wais-burger span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.wais-nav.open .wais-burger span:nth-child(2) {
  opacity: 0;
}

.wais-nav.open .wais-burger span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== Mobile nav (<= 900px) ===== */
@media (max-width: 900px) {
  .wais-nav {
    flex-wrap: wrap;
    padding: 11px 18px 0px 0px;
    margin-bottom: 0;
    align-items: center;
  }

  .wais-burger {
    display: flex;
  }

  .wais-nav-cta {
    margin-left: auto;
  }

  .wais-nav .wais-links {
    order: 5;
    flex: 0 0 100%;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
  }

  .wais-nav.open .wais-links {
    max-height: 85vh;
    overflow-y: auto;
    padding-top: 6px;
  }

  .wais-nav .wais-links>li {
    width: 100%;
  }

  .wais-nav .wais-links>li>a {
    display: block;
    padding: 13px 4px;
    border-bottom: 1px solid #eee;
  }

  .wais-submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    min-width: 0;
    background: transparent;
    padding: 0 0 6px 14px;
  }

  .wais-submenu li a {
    color: #333;
    padding: 9px 0;
  }

  .wais-submenu li a:hover {
    background: transparent;
  }
}

@media (max-width: 480px) {
  .wais-nav-cta {
    font-size: 12px;
    padding: 8px 12px;
  }

  .wais-logo img {
    max-height: 34px;
  }
}

.wais-submenu li a:hover {
  background: linear-gradient(95deg, #0022f6, #3026b6 45%, #c53d89);
  color: #fff !important;
}

/* ---------- FOOTER banner (from style.css) ---------- */
.wais-banner {
  container-type: inline-size;
  position: relative;
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  aspect-ratio: 1525 / 837;
  overflow: hidden;
  border-radius: 3px;
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: #fff;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  isolation: isolate;
}

.wais-banner * {
  box-sizing: border-box;
}

.wais-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  z-index: 0;
}

.wais-tagline {
  position: absolute;
  top: 18.8%;
  left: 51%;
  transform: translateX(-50%);
  white-space: nowrap;
  z-index: 3;
  font-size: 2.0cqw;
  font-weight: 500;
  letter-spacing: .2px;
  color: #f4effb;
}

.wais-logo-footer {
  position: absolute;
  top: 31.5%;
  left: 51%;
  transform: translateX(-50%);
  width: 40cqw;
  height: auto;
  display: block;
  z-index: 3;
}

.wais-sub {
  position: absolute;
  top: 60.3%;
  left: 50.5%;
  transform: translateX(-50%);
  width: 55cqw;
  text-align: center;
  z-index: 3;
  font-size: 1.4cqw;
  font-weight: 400;
  line-height: 1.5;
  color: rgba(244, 239, 251, .93);
}

.wais-pills {
  position: absolute;
  top: 71.2%;
  left: 49%;
  transform: translateX(-50%);
  display: flex;
  z-index: 3;
  width: 49cqw;
  border-radius: 1.5cqw;
  overflow: hidden;
  background: linear-gradient(96deg, rgba(78, 58, 202, .8) 0%, rgba(120, 56, 162, .8) 52%, rgba(170, 64, 122, .8) 100%);
  box-shadow: 0 .7cqw 2.2cqw rgba(18, 4, 38, .4);
}

.wais-pill {
  flex: 1;
  padding: 1.45cqw 1.4cqw;
  text-align: center;
}

.wais-pill+.wais-pill {
  border-left: .1cqw solid rgba(255, 255, 255, .34);
}

.wais-pill-t {
  font-size: 1.26cqw;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

.wais-pill-e {
  font-size: 1.22cqw;
  font-weight: 400;
  line-height: 1.3;
  margin-top: .45cqw;
  color: rgba(255, 255, 255, .96);
}

/* ============================================================
   HERO section — exact from worldaisummit.com
   (generic classes scoped under .wais-hero-wrap to stay contained)
   ============================================================ */

/* Global design tokens used by the hero ticker / data-strip */
.wais-hero-wrap {
  --wh: #ffffff;
  --bk: #0a0a0a;
  --ink: #111111;
  --gy: #5c6168;
  --gy2: #9aa0a6;
  --rule: #0a0a0a;
  --blue: #0022f6;
  --indigo: #3026b6;
  --mag: #c53d89;
  --grad: linear-gradient(95deg, #0022f6, #3026b6 45%, #c53d89);
  --disp: 'Archivo Black', sans-serif;
  --body: 'Manrope', sans-serif;
}

.wais-hero-wrap {
  --wais-ink: #06070c;
  --wais-blue: #2a2ae5;
  --wais-magenta: #d8127d;
  --wais-violet: #7a2be2;
  --wais-cyan: #4dd7ff;
  --wais-grad: linear-gradient(95deg, var(--wais-blue) 0%, var(--wais-violet) 48%, var(--wais-magenta) 100%);
  margin: 0;
  padding: 0;
  font-family: 'Space Grotesk', Arial, sans-serif;
  color: #fff;
  background: var(--wais-ink);
  position: relative;
  overflow: hidden;
}

.wais-hero-wrap *,
.wais-hero-wrap *::before,
.wais-hero-wrap *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ---------- BACKGROUND : video + dot-wave + beams ---------- */
.wais-hero-wrap .wais-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.wais-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .35;
  filter: saturate(1.1);
}

.wais-bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.wais-beam {
  position: absolute;
  top: -30%;
  height: 160%;
  width: 280px;
  background: linear-gradient(180deg, transparent, rgba(122, 43, 226, .16), transparent);
  transform: rotate(18deg);
  filter: blur(36px);
  animation: wais-beam-move 14s ease-in-out infinite alternate;
}

.wais-beam-2 {
  width: 200px;
  animation-delay: -7s;
  background: linear-gradient(180deg, transparent, rgba(216, 18, 125, .13), transparent);
}

@keyframes wais-beam-move {
  from { left: 8%; }
  to   { left: 78%; }
}

.wais-bg-wash {
  position: absolute;
  inset: 0;
  background: #0000ff5e;
}

/* ---------- HERO GRID ---------- */
.wais-hero {
  position: relative;
  z-index: 5;
  max-width: 85%;
  margin: 0 auto;
  padding: 62px 40px 24px;
}

.wais-hero-row {
  --bs-gutter-x: 80px;
  margin-bottom: 48px;
  --bs-gutter-y: 56px;
  text-align: center;
}

/* event logo on banner */
.wais-hero-logo {
  position: relative;
  display: inline-block;
  opacity: 0;
  transform: translateY(24px) scale(.97);
  animation: wais-rise-s 1s .1s cubic-bezier(.2, .7, .2, 1) forwards;
  padding-top: 67px;
}

.wais-hero-logo img {
  display: inline-block;
  filter: drop-shadow(0 0 34px rgba(122, 43, 226, .42)) drop-shadow(0 4px 16px rgba(0, 0, 0, .5));
  width: 59% !important;
}

.wais-hero-logo::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 160%;
  height: 260%;
  transform: translate(-50%, -50%);
  background: radial-gradient(closest-side, rgba(122, 43, 226, .2), rgba(216, 18, 125, .07) 55%, transparent 75%);
  z-index: -1;
  pointer-events: none;
}

@keyframes wais-rise-s {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes wais-rise {
  to { opacity: 1; transform: translateY(0); }
}

.wais-h1 {
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.14;
  letter-spacing: .005em;
  text-transform: capitalize;
  margin-top: 30px;
  opacity: 0;
  transform: translateY(24px);
  animation: wais-rise .9s .28s cubic-bezier(.2, .7, .2, 1) forwards;
}

.wais-h1 em {
  font-style: normal;
  background: var(--wais-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 20px rgba(216, 18, 125, .4));
}

/* AI typing line */
.wais-type {
  margin-top: 18px;
  font-family: 'Archivo Black', sans-serif;
  font-size: clamp(12px, 1.3vw, 17px);
  letter-spacing: .06em;
  color: rgb(255 255 255);
  min-height: 1.6em;
  opacity: 0;
  animation: wais-rise .9s .42s cubic-bezier(.2, .7, .2, 1) forwards;
}

.wais-type .wais-prompt {
  color: var(--wais-cyan);
}

.wais-type .wais-caret {
  display: inline-block;
  width: 8px;
  height: 1.05em;
  vertical-align: -0.15em;
  background: var(--wais-cyan);
  margin-left: 3px;
  animation: wais-blink 1s steps(1) infinite;
}

@keyframes wais-blink {
  50% { opacity: 0; }
}

.wais-ctas {
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 50px;
  text-align: center;
  animation: wais-rise .9s .54s cubic-bezier(.2, .7, .2, 1) forwards;
}

.wais-btn {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 99px;
  padding: 15px 30px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform .2s, box-shadow .2s, background-color .2s;
}

/* keep button labels white regardless of global anchor colours */
.wais-hero-wrap .wais-btn,
.wais-hero-wrap .wais-btn:hover,
.wais-hero-wrap .wais-btn .wais-arrow {
  color: #fff !important;
}

.wais-btn-primary {
  color: #fff;
  background: var(--wais-grad);
  box-shadow: 0 10px 30px rgba(216, 18, 125, .4);
}

.wais-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 42px rgba(216, 18, 125, .56);
}

.wais-btn-primary .wais-arrow {
  transition: transform .2s;
}

.wais-btn-primary:hover .wais-arrow {
  transform: translateX(4px);
}

.wais-btn-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, .3);
  background: rgba(255, 255, 255, .05);
  backdrop-filter: blur(8px);
}

/* ---------- HERO data strip ---------- */
.wais-hero-wrap .data-strip {
  border: 1px solid #9c27b069;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  background: #673ab791;
  width: 50%;
  border-radius: 70px;
  margin: auto !important;
  text-align: center;
}

.wais-hero-wrap .dcell {
  text-align: center;
  border-right: 1px solid #faebeb;
  padding: 7px !important;
}

.wais-hero-wrap .dcell:last-child {
  border-right: none;
}

.wais-hero-wrap .dcell .v {
  font-family: var(--disp);
  font-weight: 500;
  font-size: 15px;
  text-transform: uppercase;
  line-height: 1.15;
  color: #ffffff;
  letter-spacing: .07em;
}

.wais-hero-wrap .dcell .l {
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gy2);
  margin-top: 6px;
}

/* ---------- HERO ticker ---------- */
.wais-hero-wrap .ticker {
  margin-top: 72px;
  background: linear-gradient(95deg, #0326ff, #3026b6 45%, #c53d89);
  overflow: hidden;
  border-bottom: 2px solid #3F51B5;
  padding: 22px;
}

.wais-hero-wrap .ticker-track {
  display: flex;
  width: max-content;
  animation: tick 30s linear infinite;
  padding: 10px 0;
}

.wais-hero-wrap .ticker span {
  font-family: var(--disp);
  font-weight: 700;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #fff;
  padding: 6px 24px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 24px;
}

.wais-hero-wrap .ticker b {
  font-weight: 800;
}

@keyframes tick {
  to { transform: translateX(-50%); }
}

/* ---------- reveal-on-load (already flagged .in in markup) ---------- */
.wais-hero-wrap .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1);
}

.wais-hero-wrap .reveal.in {
  opacity: 1;
  transform: none;
}