/**
 * Kongres Horyzont Bezpieczeństwa — modern layer
 * Loads after theme.css; uses --khb-* and semantic tokens from 01-tokens.css
 */

/* ── Site header (glass) ───────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  border-bottom: 1px solid var(--khb-line);
  background: color-mix(in srgb, var(--khb-bg) 72%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: none;
}

.site-header .header-accent {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--khb-gold-strong) 35%,
    var(--khb-platinum-soft) 70%,
    transparent
  );
  opacity: 0.85;
}

.site-header .brand-copy span {
  color: var(--khb-text-muted);
  letter-spacing: 0.02em;
}

.site-header .primary-nav a {
  position: relative;
  font-weight: 600;
  color: var(--khb-text);
  text-decoration: none;
  padding: 0.35rem 0.15rem;
  transition: color var(--khb-duration) var(--khb-ease);
}

.site-header .primary-nav a:hover,
.site-header .primary-nav a:focus-visible {
  color: var(--khb-cream);
  text-decoration: none;
}

.site-header .primary-nav a.is-active {
  color: var(--khb-gold-soft);
}

.site-header .primary-nav a.is-active::after {
  transform: scaleX(1);
  opacity: 1;
}

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.hero-edition {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--khb-line-strong);
  background: color-mix(in srgb, var(--khb-granite-mid) 45%, transparent);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--khb-text-muted);
}

.hero-edition-year {
  display: inline-grid;
  place-items: center;
  min-width: 2.35rem;
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: transparent;
  border: 1px solid var(--khb-line-strong);
  color: var(--khb-gold-soft);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero .eyebrow {
  color: var(--khb-text-muted);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.hero h1 {
  font-size: clamp(2.35rem, 5vw, 3.65rem);
  line-height: 1.08;
}

.hero h1 em {
  font-style: normal;
  color: var(--khb-gold-soft);
}

.hero .lead {
  max-width: 42rem;
  color: var(--khb-text);
  font-size: 1.05rem;
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.35rem 0 1.5rem;
}

.hero-meta-strip > span {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.85rem;
  border-radius: var(--khb-radius-m);
  border: 1px solid var(--khb-line);
  background: var(--khb-surface-soft);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--khb-cream-soft);
}

/* Proof cards */
.hero-proof-grid {
  display: grid;
  gap: 0.85rem;
  margin-top: 2rem;
}

@media (min-width: 720px) {
  .hero-proof-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.hero-proof-card {
  padding: 1rem 1.1rem;
  border-radius: var(--khb-radius-l);
  border: 1px solid var(--khb-line);
  background: var(--bg-panel);
  box-shadow: var(--khb-shadow-soft);
  transition: transform var(--khb-duration) var(--khb-ease),
    border-color var(--khb-duration) var(--khb-ease);
}

.hero-proof-card:hover {
  transform: translateY(-2px);
  border-color: var(--khb-line-strong);
}

.hero-proof-card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--khb-cream);
  font-family: var(--khb-font-serif);
  font-size: 1rem;
}

.hero-proof-card span {
  font-size: 0.88rem;
  color: var(--khb-text-muted);
  line-height: 1.5;
}

/* Event card */
.event-card {
  border-radius: var(--khb-radius-l);
  border: 1px solid var(--khb-line-strong);
  background: linear-gradient(
    165deg,
    var(--khb-granite-mid),
    var(--bg-panel-strong)
  );
  box-shadow: var(--khb-shadow-soft);
  padding: 1.35rem;
}

.event-card .status-badge {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--khb-ok) 22%, var(--khb-granite-panel));
  color: var(--khb-platinum);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.event-meta li {
  border-color: var(--khb-line);
}

.map-box {
  border-radius: var(--khb-radius-m);
  overflow: hidden;
  border: 1px solid var(--khb-line);
}

/* Congress stats */
.congress-stats-wrap {
  margin-top: var(--khb-section-y);
}

.congress-stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.stat-card {
  padding: 1.15rem 1.2rem;
  border-radius: var(--khb-radius-l);
  border: 1px solid var(--khb-line);
  background: var(--surface-1);
  transition: border-color var(--khb-duration) var(--khb-ease);
}

.stat-card:hover {
  border-color: var(--khb-gold-strong);
}

.stat-card .stat-value {
  font-family: var(--khb-font-serif);
  font-size: 1.85rem;
  color: var(--khb-gold-soft);
}

.stat-label {
  color: var(--khb-text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Sections */
.section .section-head h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.section .section-head p {
  color: var(--khb-text-muted);
  max-width: 38rem;
}

/* Pillar cards */
.pillar-card,
.pillars-grid article {
  border-radius: var(--khb-radius-l);
  border: 1px solid var(--khb-line);
  background: var(--bg-panel);
  transition: transform var(--khb-duration) var(--khb-ease),
    box-shadow var(--khb-duration) var(--khb-ease),
    border-color var(--khb-duration) var(--khb-ease);
}

.pillar-card:hover,
.pillars-grid article:hover {
  transform: translateY(-3px);
  border-color: var(--khb-gold-strong);
  box-shadow: var(--khb-shadow-soft);
}

/* Agenda accent */
#agenda .section-head,
.agenda-section .section-head {
  border-left: 3px solid var(--khb-gold-strong);
  padding-left: 1rem;
}

.agenda-day,
.agenda-slot {
  border-left: 2px solid var(--khb-platinum-line);
}

.agenda-slot:hover {
  border-left-color: var(--khb-gold);
}

/* Contact fields */
.contact-form input,
.contact-form textarea,
.contact-form select {
  border-color: var(--khb-line);
  background: color-mix(in srgb, var(--bg-panel) 88%, transparent);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--khb-gold-strong);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.contact-form-footer {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--khb-line);
}

/* Footer grid */
.site-footer {
  margin-top: var(--khb-section-y);
  border-top: 1px solid var(--khb-line);
}

html[data-theme="executive-dark"] .site-footer {
  background: linear-gradient(180deg, var(--khb-granite) 0%, var(--khb-granite-deep) 100%);
}

html[data-theme="executive-light"] .site-footer {
  background: var(--footer-surface, linear-gradient(180deg, #ffffff 0%, var(--khb-cream-soft, #f7f5f1) 50%, var(--khb-bg, #eceae5) 100%));
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding-block: 2.5rem;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  }
}

.footer-grid h3,
.footer-grid h4 {
  color: var(--khb-cream);
  margin-bottom: 0.65rem;
}

.footer-grid a:not(.site-footer__logo) {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--khb-text-muted);
  text-decoration: none;
}

.footer-grid a:not(.site-footer__logo):hover {
  color: var(--khb-gold-soft);
}

.footer-grid a.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
  color: var(--khb-cream, #f6f8fc);
  text-decoration: none;
}

.footer-grid a.site-footer__logo:hover {
  color: var(--khb-gold-soft);
  text-decoration: none;
}

.footer-bottom {
  padding-block: 1.25rem;
  border-top: 1px solid var(--khb-line);
  font-size: 0.88rem;
  color: var(--khb-text-muted);
}

/* Modals */
.modal-card {
  border-radius: var(--khb-radius-l);
  border: 1px solid var(--khb-line-strong);
  background: var(--bg-panel-strong);
  box-shadow: var(--shadow-xl);
}

.welcome-card {
  text-align: center;
}
.welcome-card__body {
  padding: 2.5rem 1.25rem 2rem;
}


.welcome-card__icon {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 1.1rem;
}

.welcome-card__title {
  margin: 0 0 0.85rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--khb-cream);
}

.welcome-card__message {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--khb-text-muted);
  line-height: 1.6;
  white-space: pre-line;
}

.welcome-card__note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--khb-text-muted);
  opacity: 0.9;
}

/* Mobile nav */
@media (max-width: 860px) {
  .primary-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    order: 4;
    gap: 0.35rem;
    padding: 0.75rem 0 0.25rem;
    border-top: 1px solid var(--khb-line);
  }

  .primary-nav.is-open,
  .primary-nav.open {
    display: flex;
  }

  .primary-nav a {
    padding: 0.55rem 0.35rem;
    border-radius: var(--khb-radius-s);
  }

  .primary-nav a.is-active {
    background: var(--khb-gold-muted);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-proof-card:hover,
  .pillar-card:hover,
  .pillars-grid article:hover {
    transform: none;
  }
}

/* Light theme — dopasowanie welcome + header */
html[data-theme="executive-light"] .welcome-card__title {
  color: var(--text-strong);
}

html[data-theme="executive-light"] .site-header {
  background: color-mix(in srgb, var(--khb-bg-elevated) 94%, transparent);
}

@media (max-width: 860px) {
  .header-row {
    flex-wrap: wrap;
  }

  .menu-toggle {
    order: 2;
    margin-left: auto;
  }

  .brand {
    order: 1;
  }

  .header-actions {
    order: 3;
    width: 100%;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
}