/* ============================================================
   THE SEO EVENT · Beyond Algorithm
   Design system / shared stylesheet
   Dark "command-center" theme · acid-lime + electric-violet
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Surfaces */
  --bg:        #0A0B0D;
  --bg-2:      #0E1014;
  --surface:   #14171D;
  --surface-2: #1B1F27;
  --border:    rgba(255, 255, 255, 0.10);
  --border-2:  rgba(255, 255, 255, 0.18);

  /* Ink */
  --text:   #F4F5F2;
  --muted:  #9AA1AD;
  --faint:  #8A929E;

  /* Brand */
  --lime:    #5FD92E;
  --lime-d:  #49B81C;
  --orange:  #FF5E2C;
  --orange-d:#ED4A14;
  --blue:    #2B47FF; /* brand electric blue (speaker cards) */
  --violet:  #FF5E2C; /* legacy alias -> brand orange */
  --amber:   #FFB347;
  --pink:    #FF4D8D;

  /* Gradients */
  --grad-1: linear-gradient(120deg, var(--lime), var(--orange));
  --grad-2: linear-gradient(120deg, var(--orange), var(--lime));
  --grad-hot: linear-gradient(120deg, var(--orange), var(--lime));

  /* Type */
  --font-display: "Anton", "Arial Narrow", sans-serif;
  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;

  /* Layout */
  --container: 1500px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 18px;
  --radius-sm: 12px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: .25s var(--ease);
  --t: .45s var(--ease);

  /* FX */
  --shadow: 0 30px 80px -30px rgba(0,0,0,0.8);
  --glow-lime: 0 0 0 1px rgba(95,217,46,.4), 0 12px 50px -10px rgba(95,217,46,.45);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: clamp(15px, 1.05vw, 17px);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
::selection { background: var(--lime); color: #0a0b0d; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Ambient background layers */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -2;
  background:
    radial-gradient(900px 600px at 12% -5%, rgba(255,94,44,.20), transparent 60%),
    radial-gradient(800px 600px at 95% 0%, rgba(95,217,46,.12), transparent 55%),
    radial-gradient(700px 700px at 80% 110%, rgba(95,217,46,.10), transparent 60%),
    var(--bg);
}
/* Subtle grain */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Layout ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(64px, 9vw, 140px); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 90px); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--lime); display: inline-flex; align-items: center; gap: .6em;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: var(--lime); display: inline-block; }

.section-title {
  font-family: var(--font-head); font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.8rem); line-height: 1.02; letter-spacing: -.02em;
  margin-top: .35em;
}
.section-lead { color: var(--muted); max-width: 60ch; margin-top: 1.1em; font-size: 1.05rem; }

.gradient-text {
  background: var(--grad-1); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  --pad: 16px 26px;
  display: inline-flex; align-items: center; gap: .6em;
  padding: var(--pad); border-radius: 100px; font-family: var(--font-head);
  font-weight: 600; letter-spacing: .01em; font-size: .98rem;
  transition: transform var(--t-fast), box-shadow var(--t-fast), background var(--t-fast), color var(--t-fast);
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: var(--lime); color: #0a0b0d; box-shadow: var(--glow-lime); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 0 1px rgba(95,217,46,.6), 0 20px 60px -12px rgba(95,217,46,.6); }
.btn-ghost { border: 1px solid var(--border-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-3px); }
.btn-arrow { transition: transform var(--t-fast); }
.btn:hover .btn-arrow { transform: translate(4px, -4px); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--gutter);
  transition: background var(--t-fast), border-color var(--t-fast), padding var(--t-fast);
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(10,11,13,.72); backdrop-filter: blur(14px); border-bottom-color: var(--border); padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: .3em; font-family: var(--font-head); font-weight: 700; font-size: 1.18rem; letter-spacing: -.02em; line-height: 1; }
.brand .b-the { color: #fff; }
.brand .b-seo { color: var(--lime); display: inline-flex; align-items: center; }
.brand .b-evt { color: var(--orange); }
.brand-o { width: .8em; height: .8em; display: inline-block; }
.brand--lg { font-size: clamp(2.6rem, 7vw, 4.4rem); }
.brand--stack { flex-direction: column; align-items: flex-start; gap: .04em; line-height: .9; }
.footer-logo { display: inline-block; }
.footer-logo img { width: clamp(150px, 20vw, 230px); height: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 38px); }
.nav-list { display: flex; align-items: center; gap: clamp(18px, 2.5vw, 38px); list-style: none; margin: 0; padding: 0; }
.nav-links a.link { position: relative; font-family: var(--font-head); font-weight: 500; color: var(--muted); transition: color var(--t-fast); }
.nav-links a.link::after { content: ""; position: absolute; left: 0; bottom: -6px; height: 2px; width: 0; background: var(--lime); transition: width var(--t); }
.nav-links a.link:hover, .nav-links a.link[aria-current="page"] { color: var(--text); }
.nav-links a.link:hover::after, .nav-links a.link[aria-current="page"]::after { width: 100%; }
.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--border); flex-direction: column; gap: 5px; align-items: center; justify-content: center; }
.nav-toggle span { width: 20px; height: 2px; background: var(--text); transition: transform var(--t-fast), opacity var(--t-fast); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: 120px; overflow: hidden; }
.hero-blob { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .55; z-index: -1; animation: float 14s ease-in-out infinite; }
.hero-blob.b1 { width: 460px; height: 460px; background: var(--violet); top: -120px; right: -60px; }
.hero-blob.b2 { width: 380px; height: 380px; background: rgba(95,217,46,.5); bottom: -120px; left: -80px; animation-delay: -5s; }
.hero-inner { position: relative; z-index: 2; }
.hero .kicker { display: inline-flex; align-items: center; gap: .7em; padding: 9px 16px; border: 1px solid var(--border-2); border-radius: 100px; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); background: rgba(255,255,255,.02); }
.hero .kicker b { color: var(--lime); font-weight: 700; }
.hero h1 { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; line-height: .86; letter-spacing: .005em; margin: .28em 0 0; font-size: clamp(3.2rem, 13vw, 11rem); }
.hero h1 .line { display: block; }
.hero h1 .stroke { color: transparent; -webkit-text-stroke: 2px var(--text); text-stroke: 2px var(--text); }
.hero h1 .fill { background: var(--grad-1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 1.6em; font-family: var(--font-mono); color: var(--muted); letter-spacing: .04em; }
.hero-sub .pill { display: inline-flex; align-items: center; gap: .5em; }
.hero-sub .pill svg { color: var(--lime); }
.hero-sub .sep { width: 6px; height: 6px; border-radius: 50%; background: var(--faint); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 2.2em; }
.hero-tagline { max-width: 50ch; margin-top: 1.8em; color: var(--muted); font-size: 1.1rem; }
.scroll-cue { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); font-family: var(--font-mono); font-size: .7rem; letter-spacing: .25em; text-transform: uppercase; color: var(--faint); display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 2; }
.scroll-cue .bar { width: 1px; height: 40px; background: linear-gradient(var(--lime), transparent); animation: drop 1.8s ease-in-out infinite; }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--border); padding-block: 18px; background: rgba(255,255,255,.015); }
.marquee--lg { padding-block: 26px; }
.marquee-track { display: flex; gap: 3rem; width: max-content; animation: marquee 28s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item { font-family: var(--font-display); text-transform: uppercase; font-size: clamp(1.4rem, 3vw, 2.4rem); color: var(--faint); display: inline-flex; align-items: center; gap: 3rem; white-space: nowrap; letter-spacing: .02em; }
.marquee-item .star { color: var(--lime); font-size: .7em; }
.marquee-item.alt { color: transparent; -webkit-text-stroke: 1px var(--border-2); }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--surface); padding: clamp(24px, 3vw, 40px); }
.stat .num { font-family: var(--font-head); font-weight: 700; font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1; letter-spacing: -.02em; }
.stat .num .suf { color: var(--lime); }
.stat .lbl { color: var(--muted); margin-top: .6em; font-family: var(--font-mono); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Generic grid + cards ---------- */
.grid { display: grid; gap: clamp(18px, 2.4vw, 28px); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.split { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: clamp(24px, 3vw, 36px); transition: transform var(--t), border-color var(--t), background var(--t);
  position: relative; overflow: hidden;
}
.card:hover { transform: translateY(-6px); border-color: var(--border-2); background: var(--surface-2); }
.card .idx { font-family: var(--font-mono); color: var(--lime); font-size: .8rem; letter-spacing: .1em; }
.card h3 { font-family: var(--font-head); font-weight: 600; font-size: 1.35rem; margin: .5em 0 .35em; letter-spacing: -.01em; }
.card p { color: var(--muted); }
.card-glow::after { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; background: var(--grad-1); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity var(--t); }
.card-glow:hover::after { opacity: .7; }

/* ---------- Event feature card ---------- */
.event-card { display: grid; grid-template-columns: 1.1fr 1fr; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.event-card__media { position: relative; min-height: 320px; background: var(--bg-2); overflow: hidden; }
.event-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.event-card:hover .event-card__media img { transform: scale(1.06); }
.event-card__media .tag { position: absolute; top: 16px; left: 16px; z-index: 2; padding: 7px 14px; border-radius: 100px; background: rgba(10,11,13,.65); backdrop-filter: blur(8px); border: 1px solid var(--border-2); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; }
.event-card__body { padding: clamp(26px, 3.4vw, 46px); display: flex; flex-direction: column; justify-content: center; }
.event-card__body h3 { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.02em; line-height: 1.05; }
.event-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 1.1em 0; font-family: var(--font-mono); font-size: .85rem; color: var(--muted); }
.event-meta span { display: inline-flex; gap: .5em; align-items: center; }
.event-meta svg { color: var(--lime); }

/* tag chips */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.2em; }
.chip { font-family: var(--font-mono); font-size: .76rem; padding: 6px 12px; border-radius: 100px; border: 1px solid var(--border); color: var(--muted); transition: var(--t-fast); }
.chip:hover { border-color: var(--lime); color: var(--lime); }

/* ---------- Agenda / talk list ---------- */
.agenda { border-top: 1px solid var(--border); }
.agenda li { display: grid; grid-template-columns: 64px 1fr auto; gap: 18px; align-items: center; padding: 22px 4px; border-bottom: 1px solid var(--border); transition: background var(--t-fast), padding var(--t-fast); }
.agenda li:hover { background: rgba(255,255,255,.02); padding-inline: 16px; }
.agenda .n { font-family: var(--font-mono); color: var(--lime); }
.agenda .t { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; }
.agenda .t small { display: block; color: var(--muted); font-family: var(--font-body); font-weight: 400; font-size: .92rem; margin-top: 3px; }
.agenda .meta { color: var(--faint); font-family: var(--font-mono); font-size: .8rem; }

/* ---------- Sponsors ---------- */
.sponsor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.sponsor { background: var(--surface); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: clamp(28px, 4vw, 52px); text-align: center; transition: background var(--t); min-height: 150px; }
.sponsor:hover { background: var(--surface-2); }
.sponsor .name { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.1rem, 2vw, 1.6rem); letter-spacing: -.01em; }
.sponsor:hover .name { background: var(--grad-1); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sponsor .kind { font-family: var(--font-mono); font-size: .72rem; color: var(--faint); letter-spacing: .12em; text-transform: uppercase; }
.sponsor-logo { max-height: clamp(46px, 5.5vw, 74px); width: auto; max-width: 78%; object-fit: contain; transition: transform var(--t), opacity var(--t); }
.sponsor:hover .sponsor-logo { transform: scale(1.05); }

/* Tiered sponsor layout */
.sponsor-tiers { margin: 3rem 0 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 0 clamp(20px, 4vw, 64px); }
.tier-row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: clamp(28px, 6vw, 96px); padding-block: clamp(32px, 4.5vw, 56px); }
.tier-row + .tier-row { border-top: 1px solid var(--border); }
.sp { display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
.sp .sponsor-logo { width: auto; object-fit: contain; transition: transform var(--t); }
.sp:hover .sponsor-logo { transform: scale(1.05); }
.sp .name { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; }
.sp .tier { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--faint); }
.tier-1 .sponsor-logo { max-height: clamp(52px, 7vw, 88px); max-width: min(78vw, 320px); }
.tier-2 .sponsor-logo { max-height: clamp(44px, 6vw, 72px); max-width: min(68vw, 260px); }
.tier-3 .sponsor-logo { max-height: clamp(36px, 5vw, 56px); max-width: min(58vw, 190px); }

/* ---------- CTA / email capture ---------- */
.cta { position: relative; border-radius: clamp(20px, 3vw, 34px); overflow: hidden; border: 1px solid var(--border); background: linear-gradient(160deg, var(--surface-2), var(--surface)); padding: clamp(36px, 6vw, 84px); }
.cta::before { content: ""; position: absolute; width: 420px; height: 420px; background: var(--violet); filter: blur(110px); opacity: .35; top: -160px; right: -80px; z-index: 0; }
.cta::after { content: ""; position: absolute; width: 360px; height: 360px; background: rgba(95,217,46,.5); filter: blur(120px); opacity: .25; bottom: -180px; left: -60px; z-index: 0; }
.cta > * { position: relative; z-index: 1; }
.cta h2 { font-family: var(--font-head); font-weight: 700; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.04; letter-spacing: -.02em; }
.signup { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 2em; max-width: 540px; }
.signup .field { flex: 1 1 240px; display: flex; align-items: center; gap: 10px; background: rgba(10,11,13,.55); border: 1px solid var(--border-2); border-radius: 100px; padding: 6px 6px 6px 20px; transition: border-color var(--t-fast); }
.signup .field:focus-within { border-color: var(--lime); box-shadow: 0 0 0 2px rgba(95,217,46,.35); }
.signup input { flex: 1; background: none; border: none; outline: none; color: var(--text); font-size: 1rem; min-width: 0; }
.signup input::placeholder { color: var(--faint); }
.signup .btn { white-space: nowrap; }
.form-note { font-family: var(--font-mono); font-size: .76rem; color: var(--faint); margin-top: 1.1em; letter-spacing: .03em; }
.form-msg { margin-top: 1em; font-family: var(--font-mono); font-size: .85rem; min-height: 1.2em; }
.form-msg.ok { color: var(--lime); }
.form-msg.err { color: var(--pink); }

/* ---------- Gallery ---------- */
.gallery { columns: 4; column-gap: 14px; }
.gallery .shot { break-inside: avoid; margin-bottom: 14px; border-radius: var(--radius-sm); overflow: hidden; position: relative; background: var(--surface); cursor: zoom-in; border: 1px solid var(--border); }
.gallery .shot img { width: 100%; height: auto; transition: transform .6s var(--ease), opacity .6s var(--ease); opacity: 0; }
.gallery .shot img.loaded { opacity: 1; }
.gallery .shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(10,11,13,.7)); opacity: 0; transition: opacity var(--t); }
.gallery .shot:hover img { transform: scale(1.05); }
.gallery .shot:hover::after { opacity: 1; }
.gallery .shot .cap { position: absolute; left: 12px; bottom: 10px; z-index: 2; font-family: var(--font-mono); font-size: .72rem; color: var(--text); opacity: 0; transform: translateY(6px); transition: var(--t); }
.gallery .shot:hover .cap { opacity: 1; transform: none; }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: rgba(5,6,8,.92); backdrop-filter: blur(10px); display: none; align-items: center; justify-content: center; padding: 4vw; }
.lightbox.open { display: flex; animation: fade .3s var(--ease); }
.lightbox img { max-width: 92vw; max-height: 86vh; border-radius: 12px; box-shadow: var(--shadow); }
.lightbox .lb-close, .lightbox .lb-nav { position: absolute; background: rgba(255,255,255,.06); border: 1px solid var(--border-2); width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; transition: var(--t-fast); }
.lightbox .lb-close:hover, .lightbox .lb-nav:hover { background: var(--lime); color: #0a0b0d; }
.lightbox .lb-close { top: 22px; right: 22px; }
.lightbox .lb-nav { top: 50%; transform: translateY(-50%); }
.lightbox .lb-prev { left: 18px; } .lightbox .lb-next { right: 18px; }
.lb-count { position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%); font-family: var(--font-mono); font-size: .8rem; color: var(--muted); }

/* video */
.video-frame { position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: var(--bg-2); }
.video-frame iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Footer ---------- */
.footer { position: relative; margin-top: 64px; padding-bottom: 30px; overflow: hidden; }
.footer::after { content: ""; position: absolute; left: 50%; bottom: -55%; width: 130%; height: 95%; transform: translateX(-50%); background: radial-gradient(50% 100% at 50% 100%, rgba(95,217,46,.14), transparent 72%); pointer-events: none; z-index: 0; }
.footer .container { position: relative; z-index: 1; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 40px; padding-top: clamp(40px, 6vw, 84px); }
.footer-tag { color: var(--muted); font-size: 1.05rem; line-height: 1.55; max-width: 36ch; }
.footer-socials { display: flex; gap: 12px; margin-top: 1.4em; }
.footer-socials a { width: 44px; height: 44px; border: 1px solid var(--border-2); border-radius: 50%; display: grid; place-items: center; color: var(--muted); transition: transform var(--t-fast), border-color var(--t-fast), color var(--t-fast); }
.footer-socials a:hover { border-color: var(--lime); color: var(--lime); transform: translateY(-4px); }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px 36px; align-content: flex-start; }
.footer-list { display: flex; flex-wrap: wrap; gap: 14px 36px; align-content: flex-start; list-style: none; margin: 0; padding: 0; }
.footer-links a { font-family: var(--font-head); font-weight: 600; font-size: 1.15rem; color: var(--muted); transition: color var(--t-fast); }
.footer-links a:hover { color: var(--lime); }
.footer-mega { display: flex; justify-content: center; align-items: center; gap: .06em; width: 100%; margin: clamp(28px, 5vw, 60px) 0 clamp(18px, 3vw, 34px); font-size: clamp(2.6rem, 11vw, 12rem); line-height: .82; letter-spacing: -.03em; transition: opacity var(--t-fast); }
.footer-mega:hover { opacity: .9; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding-top: 26px; border-top: 1px solid var(--border); color: var(--faint); font-family: var(--font-mono); font-size: .78rem; }

/* ---------- Speakers ---------- */
.speaker-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2.4vw, 30px); margin: 3rem 0 0; }
.speaker { text-align: center; }
.speaker-av { width: clamp(84px, 8vw, 122px); aspect-ratio: 1; border-radius: 50%; margin: 0 auto .9em; display: grid; place-items: center; overflow: hidden; font-family: var(--font-head); font-weight: 700; font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: #0a0b0d; background: var(--grad-1); transition: transform var(--t); }
.speaker-av img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.speaker:hover .speaker-av { transform: translateY(-6px) scale(1.04); }
.speaker:nth-child(3n+2) .speaker-av { background: var(--orange); }
.speaker:nth-child(3n) .speaker-av { background: var(--blue); color: #fff; }
.speaker-name { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; }
.speaker-role { color: var(--muted); font-family: var(--font-mono); font-size: .74rem; letter-spacing: .04em; margin-top: .35em; }
.tier-badge { display: inline-block; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--lime); margin-bottom: .5em; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }

/* ---------- Keyframes ---------- */
@keyframes pulse { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(.75); opacity: .6; } }
@keyframes float { 0%,100% { transform: translate(0,0); } 50% { transform: translate(20px,-30px); } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes drop { 0%,100% { transform: scaleY(.3); transform-origin: top; opacity: .4; } 50% { transform: scaleY(1); opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- Why attend (editorial big-number ledger) ---------- */
.wa-grid { display: grid; grid-template-columns: 1fr 1fr; margin-top: 3.2rem; border-top: 1px solid var(--border); }
.wa-item { position: relative; display: flex; gap: clamp(16px, 1.6vw, 30px); padding: clamp(28px, 3.2vw, 52px) clamp(10px, 2.2vw, 48px); border-bottom: 1px solid var(--border); transition: background var(--t-fast); }
.wa-item:nth-child(even) { border-left: 1px solid var(--border); }
.wa-item:hover { background: rgba(255,255,255,.025); }
.wa-item::before { content: ""; position: absolute; top: -1px; left: clamp(10px, 2.2vw, 48px); width: 54px; height: 2px; background: var(--lime); transition: width var(--t); }
.wa-item:nth-child(even)::before { background: var(--orange); }
.wa-item:hover::before { width: 100px; }
.wa-num { flex: none; font-family: var(--font-display); font-size: clamp(3.2rem, 5.2vw, 5.6rem); line-height: .82; letter-spacing: -.02em; color: transparent; -webkit-text-stroke: 1.5px var(--lime); transition: color var(--t); }
.wa-item:nth-child(even) .wa-num { -webkit-text-stroke-color: var(--orange); }
.wa-item:hover .wa-num { color: var(--lime); }
.wa-item:nth-child(even):hover .wa-num { color: var(--orange); }
.wa-body { padding-top: .3em; }
.wa-body .ico { color: var(--lime); display: block; margin-bottom: .85em; }
.wa-item:nth-child(even) .wa-body .ico { color: var(--orange); }
.wa-body h3 { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.3rem, 1.8vw, 1.7rem); letter-spacing: -.01em; line-height: 1.1; }
.wa-body p { color: var(--muted); margin-top: .7em; max-width: 42ch; }

/* ---------- Highlights (loud bento) ---------- */
.hl-bento { display: grid; grid-template-columns: 1.5fr 1fr; gap: clamp(14px, 1.6vw, 22px); margin-top: 3.2rem; }
.hl { position: relative; overflow: hidden; border-radius: clamp(16px, 2vw, 26px); padding: clamp(24px, 2.6vw, 40px); display: flex; flex-direction: column; justify-content: flex-end; transition: transform var(--t); }
.hl-ghost { position: absolute; z-index: 0; font-family: var(--font-display); line-height: .7; letter-spacing: -.03em; pointer-events: none; }
.hl h3, .hl p, .hl-tags { position: relative; z-index: 2; }
.hl h3 { font-family: var(--font-head); font-weight: 700; letter-spacing: -.02em; line-height: 1.05; }
.hl p { margin-top: .6em; }
.hl-feature { grid-row: 1 / 3; min-height: 440px; background: var(--surface); border: 1px solid var(--border); }
.hl-feature::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit; padding: 1px; background: var(--grad-1); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: .75; }
.hl-feature .hl-ghost { top: -2.4rem; right: -.4rem; font-size: clamp(9rem, 17vw, 16rem); color: transparent; -webkit-text-stroke: 1.5px rgba(95,217,46,.16); }
.hl-kicker { position: absolute; z-index: 2; top: clamp(24px, 2.6vw, 40px); left: clamp(24px, 2.6vw, 40px); font-family: var(--font-mono); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--lime); }
.hl-feature h3 { font-size: clamp(1.8rem, 2.7vw, 2.7rem); }
.hl-feature p { color: var(--muted); max-width: 46ch; }
.hl-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.5em; }
.hl-tags span { font-family: var(--font-mono); font-size: .72rem; padding: 5px 12px; border: 1px solid var(--border-2); border-radius: 100px; color: var(--text); }
.hl-lime { background: var(--lime); color: #0a0b0d; min-height: 200px; }
.hl-lime h3 { color: #0a0b0d; font-size: clamp(1.3rem, 1.7vw, 1.75rem); }
.hl-lime p { color: rgba(10,11,13,.74); }
.hl-lime .hl-ghost { top: -1.4rem; right: .4rem; font-size: clamp(6rem, 9vw, 9.5rem); color: rgba(10,11,13,.13); }
.hl-orange { background: var(--surface); border: 1px solid rgba(255,94,44,.42); min-height: 200px; }
.hl-orange h3 { font-size: clamp(1.3rem, 1.7vw, 1.75rem); }
.hl-orange p { color: var(--muted); }
.hl-orange .hl-ghost { top: -1.4rem; right: .3rem; font-size: clamp(6rem, 9vw, 9.5rem); color: transparent; -webkit-text-stroke: 1.5px rgba(255,94,44,.3); }
.hl-feature:hover { transform: translateY(-5px); }
.hl-lime:hover { transform: translateY(-5px) rotate(-1.2deg); }
.hl-orange:hover { transform: translateY(-5px) rotate(1.2deg); }

/* ---------- Who it's for ---------- */
.audience { margin-top: 3rem; border-top: 1px solid var(--border); }
.aud-row { display: grid; grid-template-columns: 54px minmax(0,1fr) minmax(0,1.5fr); gap: clamp(14px,3vw,44px); align-items: center; padding: clamp(22px,2.8vw,36px) clamp(6px,1.4vw,18px); border-bottom: 1px solid var(--border); transition: background var(--t-fast); }
.aud-row:hover { background: rgba(255,255,255,.025); }
.aud-row .n { font-family: var(--font-mono); color: var(--lime); font-size: .95rem; }
.aud-row h3 { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.2rem,2vw,1.65rem); letter-spacing: -.01em; }
.aud-row p { color: var(--muted); }
.aud-row p b { color: var(--lime); font-weight: 600; }

/* ---------- FAQ ---------- */
.faq { margin: 2.6rem 0 0; border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: clamp(20px,2.4vw,28px) 4px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary h3 { font-family: var(--font-head); font-weight: 600; font-size: clamp(1.04rem,1.8vw,1.3rem); letter-spacing: -.01em; }
.faq-item .q-mark { flex: none; width: 30px; height: 30px; border: 1px solid var(--border-2); border-radius: 50%; display: grid; place-items: center; color: var(--lime); font-size: 1.1rem; line-height: 1; transition: transform var(--t), background var(--t), color var(--t); }
.faq-item[open] .q-mark { transform: rotate(45deg); background: var(--lime); color: #0a0b0d; }
.faq-item summary:hover .q-mark { border-color: var(--lime); }
.faq-item .faq-a { padding: 0 56px clamp(20px,2.4vw,26px) 4px; color: var(--muted); max-width: 72ch; }

/* ---------- Sticky signup bar ---------- */
.sticky-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; transform: translateY(115%); transition: transform var(--t); background: rgba(14,16,20,.85); backdrop-filter: blur(14px); border-top: 1px solid var(--border); padding: 12px var(--gutter) calc(12px + env(safe-area-inset-bottom)); }
.sticky-bar::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: var(--grad-1); }
.sticky-bar.show { transform: none; }
.sticky-inner { display: flex; align-items: center; gap: 18px; max-width: var(--container); margin-inline: auto; }
.sticky-inner .sb-label { font-family: var(--font-head); font-weight: 600; flex: 1; min-width: 0; }
.sticky-inner form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0; }
.sticky-inner .form-msg { margin: 0; min-height: 0; flex-basis: 100%; font-size: .78rem; }
.sticky-inner .field { display: flex; align-items: center; gap: 8px; background: rgba(10,11,13,.55); border: 1px solid var(--border-2); border-radius: 100px; padding: 6px 6px 6px 16px; transition: border-color var(--t-fast); }
.sticky-inner .field:focus-within { border-color: var(--lime); }
.sticky-inner input { background: none; border: none; outline: none; color: var(--text); min-width: 200px; font-size: .95rem; }
.sticky-inner input::placeholder { color: var(--faint); }
.sb-close { flex: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border-2); color: var(--muted); display: grid; place-items: center; transition: border-color var(--t-fast), color var(--t-fast); }
.sb-close:hover { border-color: var(--lime); color: var(--lime); }
.cta-stats { display: flex; flex-wrap: wrap; gap: 10px 14px; margin-top: 1.6em; font-family: var(--font-mono); font-size: .76rem; letter-spacing: .04em; color: var(--faint); text-transform: uppercase; }
.cta-stats span { display: inline-flex; align-items: center; gap: .6em; }
.cta-stats b { color: var(--lime); font-weight: 700; }
@media (max-width: 820px) {
  .aud-row { grid-template-columns: 40px 1fr; align-items: start; }
  .aud-row p { grid-column: 1 / -1; }
  .wa-grid { grid-template-columns: 1fr; }
  .wa-item:nth-child(even) { border-left: 0; }
  .hl-bento { grid-template-columns: 1fr; }
  .hl-feature { grid-row: auto; min-height: 300px; }
  .sticky-inner { flex-wrap: wrap; gap: 10px; }
  .sticky-inner .sb-label { flex: 1 1 100%; font-size: .95rem; }
  .sticky-inner form { flex: 1; }
  .sticky-inner input { min-width: 0; flex: 1; }
}
@media (prefers-reduced-motion: reduce) { .sticky-bar { transition: opacity .2s linear; } }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .gallery { columns: 3; }
  .split { grid-template-columns: 1fr; }
  .event-card { grid-template-columns: 1fr; }
  .event-card__media { min-height: 260px; }
}
@media (max-width: 768px) {
  .speaker-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { position: fixed; inset: 0 0 0 auto; width: min(82vw, 360px); flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px; padding: 40px; background: var(--bg-2); border-left: 1px solid var(--border); transform: translateX(100%); transition: transform var(--t); }
  .nav-links.open { transform: none; }
  .nav-list { flex-direction: column; align-items: flex-start; gap: 26px; width: 100%; }
  .nav-links a.link { font-size: 1.4rem; color: var(--text); }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .sponsor-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { columns: 2; }
  .agenda li { grid-template-columns: 40px 1fr; }
  .agenda .meta { display: none; }
}
@media (max-width: 480px) {
  .gallery { columns: 1; }
  .hero h1 .stroke { -webkit-text-stroke-width: 1.4px; }
  .footer-top { flex-direction: column; }
}