/* —— Local fonts —— */
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg-1: #0b1117;
  --bg-2: #0e1a24;
  --panel: rgba(10, 18, 28, 0.72);
  --panel-solid: #121f2d;
  --line: rgba(173, 208, 236, 0.2);
  --text: #eaf2f9;
  --muted: #9cb0c1;
  --accent: #18d2a8;
  --accent-2: #23a3ff;
  --warn: #ffb44c;
  --shadow: 0 16px 50px rgba(0, 0, 0, 0.34);
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(35, 163, 255, 0.22), transparent 34%),
    radial-gradient(circle at 88% 78%, rgba(24, 210, 168, 0.18), transparent 38%),
    linear-gradient(140deg, var(--bg-1) 0%, var(--bg-2) 100%);
  min-height: 100vh;
  line-height: 1.55;
}

a {
  color: #9ad9ff;
  text-underline-offset: 0.18em;
}

a:visited {
  color: #9ad9ff;
}

a:hover {
  color: #c6ecff;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(173, 208, 236, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(173, 208, 236, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 40% 25%, black, transparent 72%);
  z-index: -1;
}

.container {
  width: min(1120px, calc(100% - 2.25rem));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
  background: rgba(8, 14, 22, 0.55);
  border-bottom: 1px solid rgba(173, 208, 236, 0.12);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.15rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  padding: 5.5rem 0 3.5rem;
  display: grid;
  grid-template-columns: 1.18fr 0.82fr;
  gap: 2rem;
  align-items: center;
}

.kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.75rem;
  font-weight: 600;
  margin: 0 0 0.7rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 1.2rem + 3.5vw, 4rem);
  line-height: 1.03;
}

.hero h1 span {
  color: var(--accent-2);
}

.lead {
  color: var(--muted);
  max-width: 58ch;
  margin: 1.05rem 0 1.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.82rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #031118;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(24, 210, 168, 0.22);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

.btn-small {
  padding: 0.55rem 0.9rem;
  font-size: 0.85rem;
}

.nav-register {
  background: linear-gradient(120deg, #ffb44c, #ff6a3d);
  color: #000000 !important;
}

.nav-register:hover {
  box-shadow: 0 10px 24px rgba(255, 106, 61, 0.32);
}

.quick-meta {
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.quick-meta li {
  font-size: 0.83rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.72rem;
}

.quick-meta .meta-link-item {
  padding: 0;
  border: none;
}

.quick-meta-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 0.35rem 0.72rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #031118;
  font-weight: 700;
}

.quick-meta-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(24, 210, 168, 0.24);
}

.hero-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  display: flex;
  gap: 0.45rem;
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red {
  background: #ff5f56;
}

.dot.yellow {
  background: #ffbd2e;
}

.dot.green {
  background: #27c93f;
}

pre,
code {
  margin: 0;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 0.88rem;
}

pre {
  padding: 1rem 1rem 1.25rem;
  overflow-x: auto;
  color: #cff0ff;
}

.section {
  padding: 2.8rem 0;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 1rem + 1.6vw, 2rem);
}

.grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.2rem;
}

.cards-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* ── Cookie banner ── */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(680px, calc(100% - 2rem));
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.cookie-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  flex: 1 1 200px;
}

.cookie-actions {
  display: flex;
  gap: 0.6rem;
  flex-shrink: 0;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel);
  padding: 1rem 1rem 1.1rem;
}

.card h3,
.card h2 {
  margin-top: 0;
}

.card p,
.card li {
  color: var(--muted);
}


#sessions .card {
  display: flex;
  flex-direction: column;
}

.session-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.session-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #cfe2f0;
}

.session-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(24, 210, 168, 0.45);
  border-radius: 999px;
  background: rgba(24, 210, 168, 0.16);
  color: #b9ffe9;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.52rem;
  line-height: 1.2;
}

.session-info {
  margin-top: auto;
  width: fit-content;
}

#workshops .card {
  display: flex;
  flex-direction: column;
}

.workshop-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.workshop-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #cfe2f0;
}

.workshop-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(24, 210, 168, 0.45);
  border-radius: 999px;
  background: rgba(24, 210, 168, 0.16);
  color: #b9ffe9;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.18rem 0.52rem;
  line-height: 1.2;
}

.workshop-info {
  margin-top: auto;
  width: fit-content;
}

.card-accent {
  position: relative;
  isolation: isolate;
}

.card-accent::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(
    145deg,
    rgba(35, 163, 255, 0.14),
    rgba(24, 210, 168, 0.08)
  );
}

.parallel-schedule {
  margin-top: 1.35rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.shared-session {
  margin-top: 1.35rem;
}

.shared-session h3 {
  margin-bottom: 0.35rem;
}

.shared-session p {
  margin: 0;
  color: var(--muted);
}

.schedule-track {
  display: grid;
  gap: 0.8rem;
}

.schedule-track h3 {
  margin-bottom: 0.1rem;
}

.track-slots {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.track-slots li {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.65rem;
  color: var(--muted);
}

.flag {
  display: inline-block;
  width: 18px;
  height: 12px;
  margin-left: 0.45rem;
  border-radius: 2px;
  vertical-align: -1px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2);
}

.flag-de {
  background: linear-gradient(
    to bottom,
    #111111 0 33%,
    #d20f29 33% 66%,
    #f5c211 66% 100%
  );
}

.flag-uk {
  background:
    linear-gradient(90deg, transparent 0 40%, #c8102e 40% 60%, transparent 60% 100%),
    linear-gradient(0deg, transparent 0 40%, #c8102e 40% 60%, transparent 60% 100%),
    linear-gradient(90deg, transparent 0 35%, #ffffff 35% 65%, transparent 65% 100%),
    linear-gradient(0deg, transparent 0 35%, #ffffff 35% 65%, transparent 65% 100%),
    linear-gradient(26deg, transparent 45%, #ffffff 45% 55%, transparent 55%),
    linear-gradient(-26deg, transparent 45%, #ffffff 45% 55%, transparent 55%),
    #012169;
}

.time {
  font-family: "JetBrains Mono", Consolas, monospace;
  color: var(--warn);
  font-size: 0.82rem;
  margin-top: 0.28rem;
  margin-right: 0.45rem;
}

.venue-grid {
  grid-template-columns: 1.2fr 0.8fr;
}

.map-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(160deg, rgba(35, 163, 255, 0.15), rgba(24, 210, 168, 0.12)),
    var(--panel-solid);
  min-height: 240px;
  display: grid;
  place-items: center;
}

.map-inner {
  width: calc(100% - 1.4rem);
  height: calc(100% - 1.4rem);
  border: 1px dashed rgba(255, 255, 255, 0.38);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #dbf7ee;
  text-align: center;
  padding: 1rem;
}

.sponsor-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 1rem;
}

.sponsor-card {
  display: grid;
  gap: 0.9rem;
  align-items: start;
  align-content: start;
}

.sponsor-logo {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  max-width: 100%;
  background: #12354a;
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
}

.sponsor-logo svg {
  max-width: 100%;
  height: auto;
}

.sponsor-logo img {
  display: block;
  width: min(260px, 100%);
  height: auto;
}

.other-locations {
  display: grid;
  gap: 0.8rem;
  background:
    linear-gradient(150deg, rgba(35, 163, 255, 0.16), rgba(24, 210, 168, 0.08)),
    var(--panel);
}

.other-locations p {
  margin: 0;
}

.call-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background:
    linear-gradient(145deg, rgba(255, 180, 76, 0.14), rgba(35, 163, 255, 0.12)),
    var(--panel);
}

.call-wrap p {
  margin: 0.4rem 0 0;
}

.register-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(130deg, rgba(24, 210, 168, 0.14), rgba(35, 163, 255, 0.14));
  padding: clamp(1rem, 2vw, 2rem);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.site-footer {
  border-top: 1px solid rgba(173, 208, 236, 0.12);
  margin-top: 2.6rem;
}

.footer-content {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  animation: rise-in 640ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 {
  animation-delay: 80ms;
}

.delay-2 {
  animation-delay: 180ms;
}

.delay-3 {
  animation-delay: 280ms;
}

.delay-4 {
  animation-delay: 380ms;
}

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

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 4.5rem;
  }

  .cards-3,
  .cards-2,
  .venue-grid,
  .parallel-schedule,
  .sponsor-grid {
    grid-template-columns: 1fr;
  }

  .register-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .call-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .nav {
    flex-wrap: wrap;
    padding: 0.6rem 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.35rem;
  }

  .footer-content {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 0.7rem 0;
  }
}