:root {
    --ink: #111315;
    --paper: #f4f1ea;
    --lime: #c7ff38;
    --purple: #6857ff;
    --muted: #6d706f;
    --line: rgba(17, 19, 21, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
.site-header { height: 84px; padding: 0 5vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(244,241,234,.9); backdrop-filter: blur(16px); position: relative; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; font-family: "Space Grotesk", sans-serif; font-size: 18px; font-weight: 700; letter-spacing: -.6px; }
.brand b { color: var(--purple); }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; background: var(--ink); color: var(--lime); border-radius: 50%; }
nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; }
nav form { margin: 0; }
.nav-button { display: inline-block; padding: 12px 18px; color: white; background: var(--ink); border: 0; cursor: pointer; }
.hero { min-height: 690px; display: grid; grid-template-columns: 1.05fr .95fr; overflow: hidden; position: relative; }
.hero-copy { padding: 105px 7vw; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 9px; text-transform: uppercase; letter-spacing: 1.8px; font-size: 11px; font-weight: 700; }
.eyebrow span { display: block; width: 22px; height: 2px; background: var(--purple); }
h1, h2 { font-family: "Space Grotesk", sans-serif; letter-spacing: -4px; line-height: .95; margin: 28px 0; }
h1 { font-size: clamp(70px, 8vw, 126px); }
h2 { font-size: clamp(48px, 6vw, 84px); }
h1 em, h2 em { color: var(--purple); font-family: Georgia, serif; font-weight: 400; }
.hero-intro { font-size: 19px; line-height: 1.65; max-width: 580px; color: #565a58; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.button { padding: 17px 22px; border: 0; font-weight: 700; display: inline-flex; justify-content: space-between; align-items: center; gap: 35px; cursor: pointer; }
.button.primary { background: var(--ink); color: white; }
.button.primary span { color: var(--lime); font-size: 20px; }
.text-link { font-size: 13px; font-weight: 700; border-bottom: 1px solid; padding-bottom: 4px; }
.hero-art { position: relative; background: var(--purple); min-height: 620px; overflow: hidden; }
.big-x, .login-x { position: absolute; font-family: "Space Grotesk"; font-weight: 700; font-size: 600px; line-height: 1; color: transparent; -webkit-text-stroke: 2px rgba(255,255,255,.2); transform: rotate(-8deg); left: -40px; top: 10px; }
.orb { position: absolute; border-radius: 50%; filter: blur(2px); }
.orb-one { width: 220px; height: 220px; background: var(--lime); top: 70px; right: 70px; }
.orb-two { width: 80px; height: 80px; background: #ff845e; bottom: 80px; left: 90px; }
.orb-three { width: 140px; height: 140px; border: 1px solid rgba(255,255,255,.45); bottom: 120px; right: -45px; }
.stat { position: absolute; background: var(--ink); color: white; padding: 18px 24px; display: grid; }
.stat strong { font: 700 28px "Space Grotesk"; color: var(--lime); }
.stat span { font-size: 12px; }
.stat-one { bottom: 80px; right: 70px; }.stat-two { top: 235px; left: 45px; background: white; color: var(--ink); }.stat-two strong { color: var(--purple); }
.welcome-card { margin-top: 28px; font-size: 14px; }.welcome-card span { color: #38a169; }
.marquee { background: var(--ink); color: white; min-height: 70px; display: flex; gap: 32px; align-items: center; justify-content: center; overflow: hidden; white-space: nowrap; font: 600 13px "Space Grotesk"; letter-spacing: 1px; }.marquee i { color: var(--lime); }
.section { padding: 120px 7vw; }
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 8vw; }
.about h2 { max-width: 680px; }
.about-copy { padding-top: 75px; }.about-copy > p { font-size: 20px; line-height: 1.7; color: #555957; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); margin-top: 55px; padding-top: 28px; }
.metrics div { display: grid; }.metrics strong { font: 700 42px "Space Grotesk"; }.metrics span { font-size: 12px; color: var(--muted); }
.agenda-section { background: white; }.section-heading { display: flex; justify-content: space-between; align-items: end; margin-bottom: 50px; }.section-heading h2 { margin-bottom: 0; }
.agenda-item { display: grid; grid-template-columns: 110px 1fr 40px; gap: 25px; align-items: center; padding: 28px 8px; border-top: 1px solid var(--line); transition: padding .2s, background .2s; }.agenda-item:last-child { border-bottom: 1px solid var(--line); }.agenda-item:hover { padding-left: 20px; background: var(--paper); }
.agenda-item time { font: 600 20px "Space Grotesk"; }.agenda-item h3 { margin: 8px 0 4px; font: 600 24px "Space Grotesk"; }.agenda-item p { margin: 0; color: var(--muted); }.track { color: var(--purple); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 700; }.arrow { font-size: 24px; }
.speakers-section { background: var(--ink); color: white; }.section-heading.light .eyebrow span { background: var(--lime); }.section-heading.light h2 em { color: var(--lime); }
.speaker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }.speaker-portrait { aspect-ratio: .84; display: grid; place-items: center; margin-bottom: 20px; overflow: hidden; }.speaker-portrait span { font: 700 70px "Space Grotesk"; color: rgba(255,255,255,.8); }.speaker-1 .speaker-portrait { background: #6857ff; }.speaker-2 .speaker-portrait { background: #f06f45; }.speaker-3 .speaker-portrait { background: #2e9e80; }.speaker-4 .speaker-portrait { background: #d5e54c; }.speaker-card p { color: var(--lime); font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; }.speaker-card h3 { font: 600 22px "Space Grotesk"; margin: 8px 0; }.speaker-card > span { color: #aaa; font-size: 13px; }
.cta { text-align: center; display: flex; flex-direction: column; align-items: center; }.cta .eyebrow { justify-content: center; }.cta .button { margin-top: 15px; }
footer { padding: 50px 7vw; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; color: var(--muted); font-size: 13px; }.footer-brand { color: var(--ink); }footer div { display: flex; gap: 24px; }
.flash-stack { position: fixed; z-index: 50; top: 96px; left: 50%; transform: translateX(-50%); width: min(560px, 90vw); }.flash { padding: 15px 20px; background: var(--ink); color: white; box-shadow: 0 12px 30px rgba(0,0,0,.15); }.flash.success { border-left: 5px solid var(--lime); }.flash.error { border-left: 5px solid #ff6b54; }
.login-page { min-height: calc(100vh - 84px); display: grid; grid-template-columns: 1fr 1fr; }.login-art { position: relative; background: var(--purple); color: white; overflow: hidden; padding: 55px 7vw; }.back-link { position: relative; z-index: 2; font-size: 13px; font-weight: 700; }.login-art-copy { position: relative; z-index: 2; margin-top: 15vh; }.login-art h1 { font-size: clamp(58px, 6vw, 90px); }.login-art h1 em { color: var(--lime); }.login-art-copy > p:last-child { line-height: 1.7; max-width: 460px; color: rgba(255,255,255,.75); }.login-x { font-size: 520px; left: 5%; top: 15%; }.login-panel { background: white; display: grid; place-items: center; padding: 70px; }.login-form-wrap { width: min(430px, 100%); }.login-form-wrap h2 { font-size: 48px; letter-spacing: -2px; margin: 20px 0 12px; }.login-form-wrap > p { color: var(--muted); }.login-form { display: grid; margin-top: 40px; }.login-form label { font-size: 12px; font-weight: 700; margin: 18px 0 8px; }.login-form input { padding: 15px 3px; border: 0; border-bottom: 1px solid #bbb; outline: 0; }.login-form input:focus { border-color: var(--purple); }.login-form .button { margin-top: 35px; width: 100%; }.demo-box { display: grid; gap: 7px; padding: 18px; margin-top: 25px; background: var(--paper); font-size: 12px; }.demo-box code { color: var(--purple); }
@media (max-width: 900px) {
    nav > a:not(.nav-button) { display: none; }
    .hero { grid-template-columns: 1fr; }.hero-art { min-height: 500px; }.hero-copy { padding-top: 70px; }
    .about { grid-template-columns: 1fr; }.about-copy { padding-top: 0; }
    .speaker-grid { grid-template-columns: repeat(2, 1fr); }
    .login-page { grid-template-columns: 1fr; }.login-art { min-height: 450px; }.login-art-copy { margin-top: 80px; }
}
@media (max-width: 560px) {
    .site-header { padding: 0 20px; }.brand { font-size: 15px; }.nav-button { padding: 10px 12px; }
    .hero-copy, .section { padding-left: 24px; padding-right: 24px; }h1 { font-size: 58px; letter-spacing: -3px; }h2 { font-size: 46px; letter-spacing: -2px; }
    .hero-actions { align-items: flex-start; flex-direction: column; }.hero-art { min-height: 420px; }.big-x { font-size: 430px; }
    .about-copy > p { font-size: 17px; }.metrics strong { font-size: 32px; }
    .section-heading { align-items: flex-start; flex-direction: column; gap: 25px; }.agenda-item { grid-template-columns: 65px 1fr; }.agenda-item .arrow { display: none; }.agenda-item h3 { font-size: 19px; }
    .speaker-grid { grid-template-columns: 1fr; }.speaker-portrait { aspect-ratio: 1.1; }
    footer { flex-direction: column; gap: 24px; text-align: center; }.login-panel { padding: 60px 24px; }.login-art { padding: 35px 24px; }
}