:root {
    --pink: #ee2c61;
    --pink-dark: #c91f4e;
    --black: #000;
    --ink: #0a0a0b;
    --white: #fff;
    --muted: rgba(255,255,255,.72);
    --line: rgba(255,255,255,.14);
    --card: rgba(10,10,12,.62);
    --radius: 18px;
    --max: 1180px;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    background: var(--black);
    color: var(--white);
    font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    font-size: 17px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; }
  .wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
  .pink { color: var(--pink); }

  /* Gradient-bordered glass card, as on the flyer */
  .glass {
    position: relative;
    background: var(--card);
    border-radius: var(--radius);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
  }
  .glass::before {
    content: "";
    position: absolute; inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(115deg, var(--pink) 0%, rgba(255,255,255,.85) 45%, rgba(255,255,255,.15) 70%, var(--pink) 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
  }

  /* Decorative pink arcs */
  .arc {
    position: absolute;
    border: 34px solid var(--pink);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
  }

  /* ---------- Nav ---------- */
  .nav {
    position: absolute; top: 0; left: 0; right: 0; z-index: 10;
    padding: 22px 0;
  }
  .nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
  .nav img { height: 44px; width: auto; }
  .btn {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--pink); color: var(--white);
    font: inherit; font-weight: 700; font-size: 16px;
    padding: 14px 26px; border-radius: 999px; border: 0;
    text-decoration: none; cursor: pointer;
    transition: background .2s, transform .2s, box-shadow .2s;
    box-shadow: 0 10px 30px -10px color-mix(in srgb, var(--pink) 70%, transparent);
  }
  .btn:hover { background: var(--pink-dark); transform: translateY(-2px); }
  .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 3px solid var(--white); outline-offset: 2px;
  }
  .btn--ghost { background: transparent; border: 2px solid var(--white); box-shadow: none; }
  .btn--ghost:hover { background: var(--white); color: var(--black); }
  .nav .btn { padding: 11px 20px; font-size: 15px; }

  /* ---------- Hero ---------- */
  .hero {
    position: relative;
    min-height: min(100vh, 960px);
    display: flex; align-items: center;
    padding: 130px 0 90px;
    background:
      linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.78) 45%, rgba(0,0,0,.6) 100%),
      linear-gradient(0deg, #000 0%, rgba(0,0,0,0) 30%),
      var(--hero-image, url("assets/stock-speaker-microphone.webp")) center/cover no-repeat;
    overflow: hidden;
  }
  .hero .arc--tr { width: 360px; height: 360px; top: -190px; right: -150px; }
  .hero .arc--bl { width: 380px; height: 380px; bottom: -230px; left: -200px; }
  .hero-grid {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
  }
  .hero-logo { width: min(420px, 80%); margin-bottom: 30px; }
  .eyebrow {
    display: inline-block;
    font-size: 13px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
    color: var(--pink); margin-bottom: 14px;
  }
  h1 {
    font-size: clamp(38px, 5.4vw, 66px);
    line-height: 1.04; letter-spacing: -.025em; font-weight: 700;
    margin: 0 0 22px;
  }
  .lede { font-size: 19px; color: var(--muted); max-width: 560px; margin: 0 0 34px; }

  .info-cards { display: grid; gap: 16px; max-width: 560px; margin-bottom: 34px; }
  .info-card { display: flex; align-items: center; gap: 22px; padding: 22px 28px; }
  .info-card svg { flex: 0 0 44px; width: 44px; height: 44px; color: var(--pink); }
  .info-card strong { display: block; font-size: 21px; font-weight: 600; line-height: 1.3; }
  .info-card span { display: block; font-size: 17px; color: var(--muted); }
  .info-card a { text-decoration: none; }
  .info-card a:hover { color: var(--pink); }
  .hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }

  /* Speakers preview in hero */
  .hero-speakers { display: grid; grid-template-columns: 1fr 1fr; gap: 34px 20px; text-align: center; }
  .hero-speakers .sp:nth-child(3) { grid-column: 1 / -1; }
  .avatar {
    width: 150px; height: 150px; margin: 0 auto 16px;
    border-radius: 50%; padding: 6px;
    border: 3px solid var(--pink);
    background: var(--black);
  }
  .avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
  .sp h3 { color: var(--pink); font-size: 24px; line-height: 1.12; margin: 0 0 8px; font-weight: 700; }
  .sp .role { font-weight: 600; font-size: 15.5px; line-height: 1.35; }
  .sp .org { font-size: 15.5px; color: var(--muted); }

  /* ---------- Sections ---------- */
  section { position: relative; }
  .section { padding: 110px 0; }
  .section-head { max-width: 720px; margin-bottom: 54px; }
  h2 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.08; letter-spacing: -.02em; margin: 0 0 16px; font-weight: 700;
  }
  .section-head p { color: var(--muted); font-size: 18px; margin: 0; }

  /* About */
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
  .about-photo { border-radius: var(--radius); overflow: hidden; position: relative; }
  .about-photo img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: grayscale(.25) contrast(1.05); }
  .about-photo::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(200deg, color-mix(in srgb, var(--pink) 0%, transparent) 50%, color-mix(in srgb, var(--pink) 35%, transparent) 100%);
  }
  .topics { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
  .topics li { display: flex; gap: 14px; align-items: flex-start; }
  .topics li::before {
    content: ""; flex: 0 0 10px; height: 10px; margin-top: 9px;
    border-radius: 50%; background: var(--pink);
  }

  /* Speakers full */
  .speakers { background: var(--ink); overflow: hidden; }
  .speakers .arc--r { width: 300px; height: 300px; right: -190px; top: 40%; }
  .speaker-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 2; }
  .speaker-card { padding: 40px 28px 36px; text-align: center; }
  .speaker-card .avatar { width: 170px; height: 170px; }

  /* Agenda */
  .agenda { display: grid; gap: 0; max-width: 820px; }
  .agenda-row {
    display: grid; grid-template-columns: 210px 1fr; gap: 24px;
    padding: 22px 0; border-bottom: 1px solid var(--line);
  }
  .agenda-row:first-child { border-top: 1px solid var(--line); }
  .agenda-row time { color: var(--pink); font-weight: 700; font-size: 18px; }
  .agenda-row h4 { margin: 0 0 4px; font-size: 19px; }
  .agenda-row p { margin: 0; color: var(--muted); font-size: 16px; }

  /* Register */
  .register {
    background:
      linear-gradient(180deg, #000 0%, rgba(0,0,0,.86) 25%, rgba(0,0,0,.86) 75%, #000 100%),
      var(--register-image, url("assets/stock-conference-audience.webp")) center/cover no-repeat;
    overflow: hidden;
  }
  .register .arc--bl { width: 340px; height: 340px; bottom: -200px; left: -180px; }
  .register-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: start; position: relative; z-index: 2; }
  .ticket { display: block; width: 110px; color: var(--pink); margin-bottom: 26px; }
  .reg-summary { display: grid; gap: 12px; margin-top: 28px; color: var(--muted); }
  .reg-summary div { display: flex; gap: 12px; align-items: center; }
  .reg-summary svg { width: 22px; height: 22px; color: var(--pink); flex: 0 0 22px; }

  form.glass { padding: 40px; }
  .linkedin-signup { margin-bottom: 28px; }
  #linkedinLogin { width: 100%; min-height: 68px; justify-content: center; padding: 20px 24px; font-size: 18px; line-height: 1.4; text-align: center; white-space: normal; }
  #linkedinStatus { font-size: 14px; color: var(--muted); }
  .signup-divider { display: flex; align-items: center; gap: 14px; margin: 26px 0 22px; color: var(--white); font-size: 15px; font-weight: 600; text-align: center; }
  .signup-divider::before, .signup-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
  .field { display: flex; flex-direction: column; gap: 7px; }
  .field--full { grid-column: 1 / -1; }
  label { font-weight: 600; font-size: 15px; }
  label .req { color: var(--pink); }
  input, select, textarea {
    width: 100%;
    font: inherit; font-size: 16px; color: var(--white);
    background: rgba(255,255,255,.06);
    border: 1.5px solid rgba(255,255,255,.22);
    border-radius: 12px;
    padding: 13px 15px;
    transition: border-color .2s, background .2s;
  }
  input::placeholder, textarea::placeholder { color: rgba(255,255,255,.4); }
  input:hover, select:hover, textarea:hover { border-color: rgba(255,255,255,.4); }
  input:focus, select:focus, textarea:focus { border-color: var(--pink); background: color-mix(in srgb, var(--pink) 7.000000000000001%, transparent); outline: none; }
  select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none'%3E%3Cpath d='M1 1l6 6 6-6' stroke='%23ee2c61' stroke-width='2.2'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px; }
  select option { background: #111; color: #fff; }
  textarea { min-height: 96px; resize: vertical; }
  .field.invalid input, .field.invalid select { border-color: #ff6b8f; }
  .err { color: #ff8fab; font-size: 13.5px; min-height: 0; display: none; }
  .field.invalid .err { display: block; }
  .check { display: flex; gap: 12px; align-items: flex-start; font-weight: 400; font-size: 15px; color: var(--muted); cursor: pointer; }
  .check input { width: 20px; height: 20px; flex: 0 0 20px; margin-top: 2px; accent-color: var(--pink); padding: 0; }
  .form-foot { margin-top: 26px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 22px; }
  .form-foot .btn { padding: 16px 30px; font-size: 17px; }
  .form-foot small { color: var(--muted); font-size: 14px; }
  .form-foot small a { color: var(--white); }
  .btn[disabled] { opacity: .6; cursor: progress; transform: none; }

  .success { display: none; text-align: center; padding: 30px 10px; }
  .success.show { display: block; }
  .success .tick {
    width: 84px; height: 84px; margin: 0 auto 20px; border-radius: 50%;
    border: 3px solid var(--pink); display: grid; place-items: center; color: var(--pink);
  }
  .success h3 { font-size: 30px; margin: 0 0 10px; }
  .success p { color: var(--muted); margin: 0 auto 26px; max-width: 440px; }
  .success .hero-ctas { justify-content: center; }

  /* Footer */
  footer { padding: 54px 0 46px; border-top: 1px solid var(--line); }
  footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
  footer img { height: 40px; width: auto; }
  footer p { margin: 0; color: var(--muted); font-size: 14.5px; }
  footer a { color: var(--white); }
  footer a:hover { color: var(--pink); }

  /* ---------- Responsive ---------- */
  @media (max-width: 980px) {
    .hero-grid, .about-grid, .register-grid { grid-template-columns: 1fr; gap: 48px; }
    .speaker-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
    .hero { min-height: auto; }
  }
  @media (max-width: 620px) {
    body { font-size: 16px; }
    .wrap { padding: 0 16px; }
    .nav img { height: 34px; }
    .nav .btn { padding: 9px 15px; font-size: 14px; }
    .hero { padding: 110px 0 70px; }
    .section { padding: 76px 0; }
    .info-card { padding: 18px 20px; gap: 16px; }
    .info-card svg { width: 36px; height: 36px; flex-basis: 36px; }
    .info-card strong { font-size: 18px; }
    .hero-speakers { gap: 28px 12px; }
    .avatar { width: 116px; height: 116px; }
    .sp h3 { font-size: 20px; }
    .sp .role, .sp .org { font-size: 14px; }
    form.glass { padding: 26px 20px; }
    .form-grid { grid-template-columns: 1fr; }
    .agenda-row { grid-template-columns: 1fr; gap: 4px; }
    .arc { border-width: 24px; }
    .hero .arc--tr { width: 220px; height: 220px; top: -120px; right: -110px; }
  }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .btn { transition: none; }
  }
[hidden]{display:none!important} button:disabled{opacity:.55;cursor:not-allowed} #formError{overflow-wrap:anywhere} fieldset{min-width:0}