@import url('https://fonts.googleapis.com/css2?family=Raleway:wght@400;700;900&family=Source+Sans+3:wght@300;400;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:    #0d1117;
  --panel:   #161b22;
  --panel2:  #1c2331;
  --accent:  #00e5ff;
  --accent2: #00ff9f;
  --text:    #e6edf3;
  --muted:   #8b949e;
  --border:  #30363d;
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Source Sans 3', sans-serif;
  background: var(--navy);
  color: var(--text);
  overflow-x: hidden;
}

/* ── Geometric background ── */
.geo-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.geo-stripe {
  position: absolute;
  width: 200%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.07;
}
.s1 { top: 20%; transform: rotate(-3deg); animation: stripeMove 8s linear infinite; }
.s2 { top: 50%; transform: rotate(1deg);  animation: stripeMove 12s linear infinite reverse; opacity: .04; }
.s3 { top: 80%; transform: rotate(-1.5deg); animation: stripeMove 10s linear infinite; opacity: .05; }
@keyframes stripeMove {
  from { transform: translateX(-50%) rotate(-3deg); }
  to   { transform: translateX(0%)   rotate(-3deg); }
}

/* ── Hero ── */
.ss-hero {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  background: var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  padding-bottom: 6rem;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 3rem 3rem 3rem 4rem;
}

.breadcrumb {
  display: flex;
  gap: .5rem;
  align-items: center;
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 2rem;
  font-family: 'Source Sans 3', monospace;
}
.breadcrumb a { color: var(--muted); text-decoration: none; transition: color .2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { opacity: .4; }

.hero-eyebrow {
  font-size: .78rem;
  font-family: 'Source Sans 3', monospace;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .8rem;
}

.hero-title {
  font-family: 'Raleway', sans-serif;
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: #fff;
  text-shadow: 0 0 60px rgba(0,229,255,0.3);
  margin-bottom: 1.2rem;
  position: relative;
}
.hero-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--accent), var(--accent2));
  position: absolute;
  left: -1.5rem;
  border-radius: 2px;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 38ch;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.hero-labels { display: flex; gap: .5rem; flex-wrap: wrap; }
.label-tag {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .25rem .75rem;
  border-radius: 2px;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  text-decoration: none;
  transition: all .2s;
}
.label-tag:hover { background: rgba(0,229,255,0.2); }

.hero-image-wrap {
  position: relative;
  overflow: hidden;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85) hue-rotate(180deg);
  mix-blend-mode: screen;
}
.scan-line {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.15) 3px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
}

/* ── Sections ── */
.ss-section {
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.ss-section.revealed { opacity: 1; transform: translateY(0); }

.section-dark { background: var(--navy); }
.section-panel { background: var(--panel); }

.ss-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-label {
  font-family: 'Source Sans 3', monospace;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--accent);
  margin-bottom: 1rem;
}
.section-heading {
  font-family: 'Raleway', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.5rem;
}

/* ── Event body ── */
.event-body {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}
.event-body h1 {
  font-family: 'Raleway', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin: 2rem 0 .8rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.event-body p { margin-bottom: 1rem; }
.event-body blockquote {
  border-left: 3px solid var(--accent);
  padding: .8rem 1.5rem;
  margin: 1.5rem 0;
  background: rgba(0,229,255,0.05);
  border-radius: 0 6px 6px 0;
}
.event-body ol, .event-body ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.event-body li { margin-bottom: .4rem; }
.event-body a { color: var(--accent); text-decoration: none; }
.event-body a:hover { text-decoration: underline; }

/* ── PDF embed ── */
.pdf-viewer {
  width: 100%;
  height: 600px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel2);
  display: block;
  margin-bottom: 1rem;
}
.pdf-download {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem 1.4rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  border-radius: 3px;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .05em;
  transition: all .2s;
}
.pdf-download:hover { background: var(--accent); color: var(--navy); }

/* ── Downloads grid ── */
.downloads-grid {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.dl-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.5rem;
  flex: 1;
  min-width: 260px;
  transition: border-color .2s;
}
.dl-card:hover { border-color: var(--accent); }
.dl-icon { font-size: 1.8rem; }
.dl-info { flex: 1; }
.dl-info strong { display: block; color: #fff; }
.dl-info span { font-size: .82rem; color: var(--muted); }
.dl-btn {
  padding: .4rem 1rem;
  background: rgba(0,229,255,0.1);
  border: 1px solid rgba(0,229,255,0.3);
  color: var(--accent);
  text-decoration: none;
  border-radius: 3px;
  font-size: .82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all .2s;
}
.dl-btn:hover { background: var(--accent); color: var(--navy); }

/* ── Footer ── */
.ss-footer {
  position: relative;
  z-index: 1;
  padding: 2rem 4rem;
  background: var(--panel);
  border-top: 1px solid var(--border);
}
.back-link {
  color: var(--muted);
  text-decoration: none;
  font-size: .88rem;
  transition: color .2s;
}
.back-link:hover { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .ss-hero { grid-template-columns: 1fr; clip-path: none; min-height: auto; }
  .hero-inner { padding: 2rem 1.5rem; }
  .hero-image-wrap { height: 240px; }
  .hero-title::before { left: -1rem; }
  .ss-footer { padding: 2rem 1.5rem; }
}
@media (max-width: 480px) {
  .hero-inner { padding: 1.5rem 1rem; }
  .hero-title { font-size: 2.5rem; }
  .ss-inner { padding: 0 1rem; }
  .pdf-viewer { height: 300px; }
}

/* ── Lightbox ── */
#lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);
  z-index:9999;align-items:center;justify-content:center;
  flex-direction:column;gap:.5rem}
#lightbox img{max-width:90vw;max-height:80vh;object-fit:contain}
.lb-close{position:fixed;top:1rem;right:1.5rem;font-size:2.5rem;
  color:#fff;cursor:pointer;line-height:1;opacity:.8}
.lb-close:hover{opacity:1}
.lb-nav{position:fixed;top:50%;transform:translateY(-50%);font-size:3rem;
  color:#fff;cursor:pointer;padding:.5rem;user-select:none;opacity:.7}
.lb-nav:hover{opacity:1}
.lb-prev{left:1rem}.lb-next{right:1rem}
.lb-caption{color:#ccc;font-size:.9rem;text-align:center;max-width:80vw}