/* ============================================
   COMPONENTS: Buttons, Cards, Timeline, etc.
   ============================================ */

/* --- Buttons --- */
.btn {
  display: inline-block; font-family: var(--font-heading); font-weight: 700;
  font-size: 1rem; letter-spacing: 0.5px; padding: 14px 32px;
  border-radius: 0; text-transform: uppercase; cursor: pointer;
  transition: background 0.3s, color 0.3s, box-shadow 0.3s; text-align: center;
}
.btn--primary { background: var(--neon); color: var(--deep-black); border: 2px solid var(--neon); }
.btn--primary:hover { background: transparent; color: var(--neon); box-shadow: var(--glow-neon); }
.btn--ghost { background: transparent; color: var(--neon); border: 2px solid var(--neon); }
.btn--ghost:hover { background: var(--neon); color: var(--deep-black); box-shadow: var(--glow-neon); }

/* --- Shiny CTA (animated conic border + dots + shimmer) ---
   Adapted from 21st.dev shiny-button: rectangular (zero zaokrągleń), neon highlight. */
@property --gradient-angle         { syntax: "<angle>";      initial-value: 0deg;  inherits: false; }
@property --gradient-angle-offset  { syntax: "<angle>";      initial-value: 0deg;  inherits: false; }
@property --gradient-percent       { syntax: "<percentage>"; initial-value: 5%;    inherits: false; }
@property --gradient-shine         { syntax: "<color>";      initial-value: white; inherits: false; }

.btn--shiny {
  --shiny-bg: #000000;
  --shiny-bg-subtle: #0a0f1c;
  --shiny-fg: #ffffff;
  --shiny-highlight: var(--neon);           /* #00F0FF */
  --shiny-highlight-subtle: #7ef3ff;
  --shiny-duration: 3s;
  --shiny-shadow-size: 2px;
  --shiny-transition: 600ms cubic-bezier(0.25, 1, 0.5, 1);

  isolation: isolate;
  position: relative;
  overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center;
  padding: 18px 40px;
  font-family: var(--font-heading); font-weight: 700;
  font-size: 1rem; letter-spacing: 1.5px; text-transform: uppercase;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: 0;
  color: var(--shiny-fg);
  background:
    linear-gradient(var(--shiny-bg), var(--shiny-bg)) padding-box,
    conic-gradient(
      from calc(var(--gradient-angle) - var(--gradient-angle-offset)),
      transparent,
      var(--shiny-highlight) var(--gradient-percent),
      var(--gradient-shine) calc(var(--gradient-percent) * 2),
      var(--shiny-highlight) calc(var(--gradient-percent) * 3),
      transparent calc(var(--gradient-percent) * 4)
    ) border-box;
  box-shadow: inset 0 0 0 1px var(--shiny-bg-subtle);
  cursor: pointer; outline-offset: 4px;
  transition: var(--shiny-transition);
  transition-property: --gradient-angle-offset, --gradient-percent, --gradient-shine;
}

.btn--shiny::before,
.btn--shiny::after,
.btn--shiny > span::before {
  content: ""; pointer-events: none; position: absolute;
  inset-inline-start: 50%; inset-block-start: 50%;
  translate: -50% -50%; z-index: -1;
}

.btn--shiny:active { translate: 0 1px; }

/* Dots pattern */
.btn--shiny::before {
  --size: calc(100% - var(--shiny-shadow-size) * 3);
  --position: 2px;
  --space: calc(var(--position) * 2);
  width: var(--size); height: var(--size);
  background: radial-gradient(
    circle at var(--position) var(--position),
    #fff calc(var(--position) / 4),
    transparent 0
  ) padding-box;
  background-size: var(--space) var(--space);
  background-repeat: space;
  mask-image: conic-gradient(
    from calc(var(--gradient-angle) + 45deg),
    #000, transparent 10% 90%, #000
  );
  border-radius: inherit;
  opacity: 0.35;
  z-index: -1;
}

/* Inner shimmer */
.btn--shiny::after {
  width: 100%; aspect-ratio: 1;
  background: linear-gradient(-50deg, transparent, var(--shiny-highlight), transparent);
  mask-image: radial-gradient(circle at bottom, transparent 40%, #000);
  opacity: 0.55;
}

.btn--shiny > span { z-index: 1; }

.btn--shiny > span::before {
  --size: calc(100% + 1rem);
  width: var(--size); height: var(--size);
  box-shadow: inset 0 -1ex 2rem 4px var(--shiny-highlight);
  opacity: 0;
  transition: opacity var(--shiny-transition);
  animation: shinyBreathe calc(var(--shiny-duration) * 1.5) linear infinite;
}

.btn--shiny,
.btn--shiny::before,
.btn--shiny::after {
  animation: shinyGradientAngle var(--shiny-duration) linear infinite;
}

.btn--shiny:hover,
.btn--shiny:focus-visible {
  --gradient-percent: 20%;
  --gradient-angle-offset: 95deg;
  --gradient-shine: var(--shiny-highlight-subtle);
  --shiny-duration: 1.5s;
}

.btn--shiny:hover > span::before,
.btn--shiny:focus-visible > span::before { opacity: 1; }

@keyframes shinyGradientAngle { to { --gradient-angle: 360deg; } }
@keyframes shinyBreathe { from, to { scale: 1; } 50% { scale: 1.2; } }

/* Hero variant: larger, with permanent hover tint so the CTA reads even
   without interaction. Still reacts to hover (extra pop). */
.btn--shiny-hero {
  padding: 26px 60px;
  font-size: 1.125rem;
  letter-spacing: 2.5px;
  --gradient-percent: 20%;
  --gradient-angle-offset: 95deg;
  --gradient-shine: var(--shiny-highlight-subtle);
  --shiny-duration: 2.4s;
  box-shadow:
    inset 0 0 0 1px var(--shiny-bg-subtle),
    0 0 32px -6px rgba(0, 240, 255, 0.35);
}
.btn--shiny-hero > span::before { opacity: 0.55; }
.btn--shiny-hero:hover,
.btn--shiny-hero:focus-visible {
  --gradient-percent: 28%;
  --shiny-duration: 1.2s;
  box-shadow:
    inset 0 0 0 1px var(--shiny-bg-subtle),
    0 0 48px -4px rgba(0, 240, 255, 0.6);
}
.btn--shiny-hero:hover > span::before,
.btn--shiny-hero:focus-visible > span::before { opacity: 1; }

/* --- Pillar Card --- */
.pillar-card {
  background: transparent; border: 0;
  padding: var(--space-xl) 0 0;
  display: flex; flex-direction: column;
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.12);
  transition: border-color 0.4s ease;
}
.pillar-card:hover { border-top-color: var(--neon-60); }
.pillars__row--3 .pillar-card { border-top: 0; padding-top: 0; }
.pillar-card__head {
  display: flex; align-items: center; justify-content: flex-start; gap: 16px;
  margin-bottom: var(--space-xl);
}
.pillar-card__num {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 4vw, 4.5rem);
  font-weight: 700; line-height: 1;
  letter-spacing: -2px;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--neon);
  text-stroke: 1.5px var(--neon);
  filter: drop-shadow(0 0 12px rgba(0,240,255,0.35));
  transition: color 0.5s ease, filter 0.5s ease;
}
.pillar-card:hover .pillar-card__num {
  color: var(--neon);
  filter: drop-shadow(0 0 18px rgba(0,240,255,0.55))
          drop-shadow(0 0 40px rgba(0,240,255,0.25));
}
.pillar-card__icon-tile {
  display: inline-flex; align-items: center; justify-content: center;
}
.pillar-card__icon {
  color: var(--neon);
  filter: drop-shadow(0 0 10px rgba(0,240,255,0.55))
          drop-shadow(0 0 28px rgba(0,240,255,0.25));
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.pillar-card:hover .pillar-card__icon { transform: translateY(-2px) scale(1.05); }
.pillar-card__icon svg {
  width: 36px; height: 36px;
  stroke-width: 1.5;
}
.pillar-card__title {
  font-family: var(--font-heading);
  font-size: clamp(1.375rem, 1.7vw, 1.625rem);
  font-weight: 700; letter-spacing: -0.3px;
  margin-bottom: var(--space-sm);
  line-height: 1.15;
}
.pillar-card__desc {
  font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.6;
  max-width: 36ch; margin: 0;
}

/* --- Expert Card (mirrored 2-col, alternating) --- */
.expert-card {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
  background: transparent; border: 0;
}
.expert-card:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 0.75fr); }
.expert-card__body { grid-column: 1; grid-row: 1; display: flex; flex-direction: column; }
.expert-card__photo { grid-column: 2; grid-row: 1; }
.expert-card:nth-child(even) .expert-card__body { grid-column: 2; }
.expert-card:nth-child(even) .expert-card__photo { grid-column: 1; }

.expert-card__photo {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 5;
  background: radial-gradient(ellipse at 30% 40%, rgba(0,240,255,0.18), transparent 60%),
              linear-gradient(135deg, #0a2a33 0%, #041319 100%);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.expert-card__photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,240,255,0.08) 100%);
  opacity: 0; transition: opacity 0.6s ease;
}
.expert-card__photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.expert-card:hover .expert-card__photo { transform: translateY(-6px); }
.expert-card:hover .expert-card__photo::after { opacity: 1; }
.expert-card:hover .expert-card__photo img { transform: scale(1.04); }

.expert-card__name {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 5.5vw, 5rem);
  font-weight: 900; line-height: 0.95;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.expert-card__role {
  font-family: var(--font-heading);
  font-size: 0.8125rem; color: var(--neon); font-weight: 700;
  text-transform: uppercase; letter-spacing: 2.5px;
  margin: 0 0 28px;
}
.expert-card__bio {
  color: var(--text-secondary); line-height: 1.65;
  margin: 0 0 32px; font-size: 1.0625rem;
  max-width: 52ch;
}
/* LinkedIn CTA — icon-only shiny button */
.expert-card__link.btn--shiny {
  align-self: flex-start;
  padding: 12px;
  width: 48px; height: 48px;
  line-height: 0;
}
.expert-card__link.btn--shiny > span {
  display: inline-flex; align-items: center; justify-content: center;
}
.expert-card__link-icon {
  width: 24px; height: 24px; display: block;
}

/* --- Speaker Card (grid) --- */
.speaker-card {
  position: relative;
  display: flex; flex-direction: column;
  text-align: left; padding: 0;
  background: transparent; border: 0;
}
.speaker-card__photo-wrap {
  position: relative; overflow: hidden;
  aspect-ratio: 4 / 5;
  margin-bottom: 16px;
  background: radial-gradient(ellipse at 30% 40%, rgba(0,240,255,0.18), transparent 60%),
              linear-gradient(135deg, #0a2a33 0%, #041319 100%);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
.speaker-card:hover .speaker-card__photo-wrap { transform: translateY(-4px); }
.speaker-card__photo-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.speaker-card:hover .speaker-card__photo-wrap img { transform: scale(1.05); }
.speaker-card__name {
  font-family: var(--font-heading);
  font-size: 1.0625rem; font-weight: 700;
  letter-spacing: -0.2px;
  margin: 0 0 4px;
}
.speaker-card__role {
  font-family: var(--font-heading);
  font-size: 0.6875rem; color: var(--neon); font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.8px;
  margin: 0 0 12px;
}
.speaker-card__bio {
  font-size: 0.8125rem; color: var(--text-secondary);
  line-height: 1.6; margin: 0;
  max-width: 42ch;
}

/* Click-to-expand bio */
.speaker-card__toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 0; padding: 6px 0;
  font-family: var(--font-heading); font-size: 0.6875rem; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-secondary); cursor: pointer;
  transition: color 200ms ease;
  align-self: flex-start;
}
.speaker-card__toggle:hover,
.speaker-card__toggle:focus-visible { color: var(--neon); }
.speaker-card__toggle svg {
  width: 14px; height: 14px;
  transition: transform 300ms var(--ease-out);
}
.speaker-card.is-open .speaker-card__toggle { color: var(--neon); }
.speaker-card.is-open .speaker-card__toggle svg { transform: rotate(180deg); }
.speaker-card__expand {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 420ms var(--ease-out), margin-top 420ms var(--ease-out);
  margin-top: 0;
}
.speaker-card__expand > .speaker-card__bio {
  overflow: hidden;
  min-height: 0;
}
.speaker-card.is-open .speaker-card__expand {
  grid-template-rows: 1fr;
  margin-top: 12px;
}
@media (prefers-reduced-motion: reduce) {
  .speaker-card__expand { transition: none; }
}

/* LinkedIn icon — absolute top-right of photo */
.speaker-card__linkedin {
  position: absolute; top: 12px; right: 12px;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--neon);
  color: #fff;
  background: rgba(10, 18, 32, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2;
  transition: background 0.25s, color 0.25s;
}
.speaker-card__linkedin:hover { background: var(--neon); color: var(--deep-black); }
.speaker-card__linkedin svg { width: 18px; height: 18px; }


/* --- Agenda row --- */
.agenda-row {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding: var(--space-xl) 0;
}
.agenda-row:first-child { border-top: 0; }
.agenda-row__head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-xl);
}
.agenda-row--break .agenda-row__head {
  justify-content: flex-start;
  gap: var(--space-lg);
}
.agenda-row--break .agenda-row__time { order: -1; }
.agenda-row__title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700; line-height: 1.1;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  margin: 0;
  display: flex; align-items: center; gap: var(--space-lg);
}
.agenda-row__icon {
  flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--neon);
}
.agenda-row__icon svg { width: 36px; height: 36px; }
.agenda-row__time {
  flex-shrink: 0;
  /* fixed width + space-between: dot pinned left, time right-aligned, identical box width in every row (klient pkt f+g) */
  width: 178px;
  display: inline-flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 18px;
  background: rgba(0, 18, 24, 0.55);
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(0,240,255,0.08), 0 0 24px rgba(0,240,255,0.12) inset;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-family: var(--font-heading); font-weight: 900;
  font-size: 0.9375rem; letter-spacing: 0.5px;
  color: var(--text-primary);
  white-space: nowrap;
}
.stay-row__bullets svg {
  color: var(--neon);
}
.agenda-row__time::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--neon);
  box-shadow: 0 0 8px var(--neon);
  flex: 0 0 auto;
}
/* Unified 3-col body for all non-break rows: time / speakers / talk */
.agenda-row__body {
  display: grid;
  grid-template-columns: auto minmax(220px, 280px) 1fr;
  gap: var(--space-xl) var(--space-2xl);
  align-items: start;
}
.agenda-row__body > .agenda-row__time { margin-top: 4px; }
.agenda-row__photo {
  aspect-ratio: 1 / 1;
  background: radial-gradient(ellipse at 30% 40%, rgba(0,240,255,0.18), transparent 60%),
              linear-gradient(135deg, #0a2a33 0%, #041319 100%);
  overflow: hidden;
}
.agenda-row__photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.agenda-row__talk-title {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -0.5px;
  margin: 0 0 var(--space-md);
}
.agenda-row__talk-desc {
  font-size: 1.0625rem; color: var(--text-secondary); line-height: 1.7;
  max-width: 62ch; margin: 0;
}
.agenda-row__talk-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 10px;
}
.agenda-row__talk--solo {
  grid-column: 2 / -1;
}

/* Speakers stack — uniform mini cards regardless of count */
.agenda-row__speakers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.agenda-row__speaker--mini {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px; align-items: center;
  min-width: 0;
}
.agenda-row__speaker--mini .agenda-row__photo {
  width: 80px; height: 80px; margin: 0;
}
.agenda-row__speaker--mini .agenda-row__speaker-meta { min-width: 0; }
.agenda-row__speaker--mini .agenda-row__speaker-name {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 700;
  letter-spacing: -0.2px;
  color: var(--text-primary);
  margin: 0 0 4px;
  line-height: 1.2;
}
.agenda-row__speaker--mini .agenda-row__speaker-role {
  font-family: var(--font-heading); font-size: 0.6875rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.8px;
  color: var(--neon); margin: 0;
  line-height: 1.3;
}

@media (max-width: 768px) {
  .agenda-row__head { flex-direction: column; align-items: flex-start; gap: var(--space-sm); }
  .agenda-row__body { grid-template-columns: 1fr; gap: var(--space-md); }
  .agenda-row__speaker--mini .agenda-row__photo { width: 72px; height: 72px; }
  .agenda-row__speaker--mini { grid-template-columns: 72px 1fr; }
}

/* --- Partner Logo --- */
.partner-logo {
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-md); min-height: 120px;
  background: transparent; border: 0;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.partner-logo:hover { transform: translateY(-4px); }
.partner-logo img, .partner-logo svg {
  max-height: 72px; height: auto; width: auto; max-width: 100%;
  opacity: 0.75; filter: grayscale(1) brightness(1.6);
  transition: opacity 0.3s, filter 0.3s;
}
.partner-logo:hover img, .partner-logo:hover svg {
  opacity: 1; filter: grayscale(0) brightness(1);
}

/* Lightbox (gallery preview) */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0, 8, 14, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center; justify-content: center;
  padding: clamp(24px, 5vw, 64px);
  opacity: 0;
  transition: opacity 0.2s ease;
}
.lightbox.is-open { display: flex; opacity: 1; }
.lightbox__img {
  max-width: 100%;
  max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  border: 1px solid rgba(0, 240, 255, 0.35);
  box-shadow: 0 0 60px rgba(0, 240, 255, 0.25), 0 30px 80px rgba(0, 0, 0, 0.6);
}
.lightbox__close {
  position: absolute;
  top: clamp(16px, 3vw, 32px);
  right: clamp(16px, 3vw, 32px);
  width: 48px; height: 48px;
  background: rgba(0, 18, 24, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-size: 28px; line-height: 1;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.lightbox__close:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon);
  color: var(--neon);
}
.lightbox__prev,
.lightbox__next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(0, 18, 24, 0.6);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--text-primary);
  font-size: 36px; line-height: 1;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.lightbox__prev { left: clamp(8px, 2vw, 24px); }
.lightbox__next { right: clamp(8px, 2vw, 24px); }
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--neon);
  color: var(--neon);
}