/* PyCon JP 2026 public site */

.public-site {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans, "Satoshi", "Noto Sans JP", system-ui, sans-serif);
  color: var(--pycon-navy, #1a3156);
  background:
    radial-gradient(900px 520px at 100% -8%, rgba(225, 54, 62, 0.07), transparent 55%),
    radial-gradient(760px 480px at 0% 0%, rgba(26, 49, 86, 0.05), transparent 52%),
    #ffffff;
}

.public-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pycon-border, #e4e7ec);
}

.public-site--simple .public-nav {
  grid-template-columns: 1fr auto;
}

.public-site--simple .public-nav-actions {
  align-items: center;
}

.public-hero--simple {
  padding-bottom: 28px;
}

.public-hero--simple .public-hero-art {
  min-height: 220px;
}

.public-nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.public-nav-brand img {
  width: 48px;
  height: 48px;
  display: block;
}

.public-nav-brand strong {
  display: block;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.public-nav-brand span {
  display: block;
  font-size: 0.78rem;
  color: var(--muted, #5a6473);
  font-weight: 500;
}

.public-nav-links {
  display: none;
  justify-content: center;
  gap: 8px 18px;
}

.public-nav-links a {
  color: var(--pycon-navy, #1a3156);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 8px 4px;
  position: relative;
}

.public-nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--pycon-red, #e1363e);
  transform: translateX(-50%);
  transition: width 160ms ease;
}

.public-nav-links a:hover {
  color: var(--pycon-red, #e1363e);
}

.public-nav-links a:hover::after {
  width: 100%;
}

.public-nav-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.public-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 28px 40px;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(36px, 7vh, 80px) clamp(16px, 4vw, 48px) 48px;
}

.public-hero h1 {
  margin: 10px 0 14px;
  font-size: clamp(2.35rem, 6vw, 3.7rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--pycon-navy, #1a3156);
}

.public-hero h1 .dot,
.public-kicker .dot {
  color: var(--pycon-red, #e1363e);
}

.public-hero-venue {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0 0 14px;
  color: var(--muted, #5a6473);
  font-size: 0.95rem;
}

.public-hero-venue strong {
  color: var(--pycon-navy, #1a3156);
}

.public-hero-art {
  position: relative;
  min-height: 260px;
  display: grid;
  place-items: center;
}

.public-logotype {
  width: min(100%, 440px);
  height: auto;
}

.public-hero-deco {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -18px;
  width: 100%;
  pointer-events: none;
  opacity: 0.95;
}

.public-section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 56px clamp(16px, 4vw, 48px);
}

.public-section--alt {
  max-width: none;
  background: var(--pycon-surface, #f7f8fa);
  border-block: 1px solid var(--pycon-border, #e4e7ec);
}

.public-section--alt > * {
  max-width: 1120px;
  margin-inline: auto;
}

.public-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.public-kicker {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--pycon-navy, #1a3156);
}

.public-section h2 {
  margin: 0;
  font-size: clamp(1.55rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.public-section-lead {
  margin: 8px 0 0;
  color: var(--muted, #5a6473);
}

.public-hall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.public-hall-card {
  border: 1px solid var(--pycon-border, #e4e7ec);
  border-radius: 14px;
  background: #fff;
  padding: 18px;
  box-shadow: 0 10px 28px rgba(26, 49, 86, 0.05);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 140ms ease, transform 140ms ease, box-shadow 140ms ease;
}

.public-hall-card:hover {
  border-color: rgba(225, 54, 62, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(26, 49, 86, 0.08);
}

.public-hall-card.is-live {
  border-color: rgba(225, 54, 62, 0.45);
  box-shadow: 0 12px 30px rgba(225, 54, 62, 0.1);
}

.public-hall-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.public-hall-name {
  margin: 0;
  font-weight: 800;
  font-size: 1.05rem;
}

.public-hall-status {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted, #5a6473);
  background: var(--pycon-surface, #f7f8fa);
  border: 1px solid var(--pycon-border, #e4e7ec);
  border-radius: 999px;
  padding: 4px 9px;
}

.public-hall-status.is-live {
  color: #fff;
  background: var(--pycon-red, #e1363e);
  border-color: transparent;
}

.public-hall-talk {
  margin: 0;
  min-height: 2.6em;
  color: var(--muted, #5a6473);
  font-size: 0.92rem;
  line-height: 1.45;
}

.public-hall-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.public-hall-loading,
.public-hall-empty {
  margin: 0;
  color: var(--muted, #5a6473);
  grid-column: 1 / -1;
}

.public-inline-retry {
  border: 0;
  background: none;
  color: var(--pycon-red, #e1363e);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: underline;
}

.public-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.public-steps li {
  background: #fff;
  border: 1px solid var(--pycon-border, #e4e7ec);
  border-radius: 14px;
  padding: 20px;
}

.public-step-num {
  display: block;
  margin-bottom: 10px;
  color: var(--pycon-red, #e1363e);
  font-weight: 900;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.public-steps strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.public-steps p {
  margin: 0;
  color: var(--muted, #5a6473);
  line-height: 1.5;
  font-size: 0.92rem;
}

.public-split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 28px;
  align-items: start;
}

.public-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.public-feature-list li {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--pycon-border, #e4e7ec);
  border-radius: 12px;
  background: #fff;
}

.public-feature-list strong {
  color: var(--pycon-navy, #1a3156);
}

.public-feature-list span {
  color: var(--muted, #5a6473);
  font-size: 0.9rem;
}

.public-footer {
  border-top: 1px solid var(--pycon-border, #e4e7ec);
  padding: 28px clamp(16px, 4vw, 48px) 36px;
  background: #fff;
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
}

.public-footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.public-footer-brand img {
  height: 32px;
  width: auto;
}

.public-footer-brand p {
  margin: 0;
  color: var(--muted, #5a6473);
  font-size: 0.9rem;
}

.public-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
}

.public-footer-links a {
  color: var(--pycon-navy, #1a3156);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

.public-footer-links a:hover {
  color: var(--pycon-red, #e1363e);
}

.public-footer-note {
  margin: 0;
  color: var(--text-muted, #6b7686);
  font-size: 0.8rem;
}

/* Audience public chrome extras */
.audience-public-footer {
  border-top: 1px solid var(--pycon-border, #e4e7ec);
  padding: 14px 16px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  color: var(--muted, #5a6473);
  font-size: 0.82rem;
}

.audience-public-footer a {
  color: var(--pycon-navy, #1a3156);
  font-weight: 700;
  text-decoration: none;
}

.audience-public-footer a:hover {
  color: var(--pycon-red, #e1363e);
}

@media (min-width: 860px) {
  .public-nav-links {
    display: flex;
  }
}

@media (max-width: 860px) {
  .public-nav {
    grid-template-columns: 1fr auto;
  }

  .public-hero,
  .public-split,
  .public-steps {
    grid-template-columns: 1fr;
  }

  .public-hero-art {
    order: -1;
    min-height: 200px;
  }
}

@media (max-width: 560px) {
  .public-nav-actions .btn {
    padding: 8px 12px;
    font-size: 0.82rem;
  }
}