/* ============================================================
   Reusable components
   Buttons, chips, badges, cards — used across sections.
   ============================================================ */

/* ---------- Buttons ---------- */

.btn {
  position: relative;
  isolation: isolate;          /* stacking context pro ::before */
  overflow: hidden;            /* clipne wipe-in fill na rounded corners */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) calc(var(--space-11) - 4px); /* 16px x 38px */
  border-radius: var(--radius-pill);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-tight);
  white-space: nowrap;
  cursor: pointer;
  will-change: transform;
  transition:
    color 350ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 450ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 400ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Accent fill — wipe up z dola na hover (modern, liquid feel) */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--color-accent);
  transform: translateY(101%);
  transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
  z-index: -1;
}

.btn:hover::before {
  transform: translateY(0);
}

/* Glossy sheen — diagonalni svetlo prejede pres tlacitko na hover */
.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255, 255, 255, 0.5) 50%, transparent 100%);
  transform: translateX(-200%) skewX(-14deg);
  mix-blend-mode: overlay;
  pointer-events: none;
  opacity: 0;
  z-index: 1;
}

.btn:hover::after {
  opacity: 1;
  animation: btn-sheen 750ms cubic-bezier(0.22, 1, 0.36, 1) 100ms;
}

@keyframes btn-sheen {
  0%   { transform: translateX(-200%) skewX(-14deg); }
  100% { transform: translateX(320%)  skewX(-14deg); }
}

/* Hover — button zustava na miste (zadny lift), jen barva textu na accent bg */
.btn:hover {
  color: var(--color-fg);
}

/* Press feedback — jemne zmacknuti */
.btn:active {
  transform: scale(0.98);
  transition-duration: 120ms;
}

/* Primary, dark fill (CTA on light bg) */
.btn--dark {
  background-color: var(--color-fg);
  color: #ffffff;
}

.btn--dark:hover {
  box-shadow: 0 14px 32px rgba(244, 96, 54, 0.28),
              0 4px 12px rgba(244, 96, 54, 0.15);
}

/* Primary, light fill (CTA on dark bg) */
.btn--light {
  background-color: #ffffff;
  color: var(--color-fg);
}

.btn--light:hover {
  box-shadow: 0 14px 32px rgba(244, 96, 54, 0.28),
              0 4px 12px rgba(244, 96, 54, 0.15);
}

/* Secondary, transparent/ghost */
.btn--ghost {
  background-color: rgba(132, 132, 132, 0.2);
  color: var(--color-fg);
}

.btn--ghost:hover {
  box-shadow: 0 10px 28px rgba(244, 96, 54, 0.22);
}

/* Smaller variant (nav, header) */
.btn--sm {
  padding: var(--space-3) calc(var(--space-8) + 4px); /* 12px x 36px */
}

/* ---------- Arrow icon inside button ---------- */

.btn__arrow {
  display: inline-flex;
  width: 18px;
  height: 18px;
  transform: rotate(90deg);
  transition: transform 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* Sipka se na hover NEHYBE — zustava v klidu. */

/* ---------- Chips / Badges ---------- */

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--text-caption);
  font-weight: 500;
  line-height: var(--leading-tight);
}

.chip--light {
  background-color: var(--color-overlay-light);
  color: #ffffff;
}

.chip--dark {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* ---------- Cards ---------- */

.card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card--dark {
  background-color: var(--color-card);
  color: #ffffff;
}

.card--light {
  background-color: var(--color-bg);
  color: var(--color-fg);
}

/* Project card (image + title + caption) */
.project-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 360 / 414;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-color: #484848;
}

.project-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__title {
  font-size: var(--text-body-l);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: -0.4px;
}

.project-card__caption {
  font-size: var(--text-caption);
  line-height: var(--leading-normal);
  color: var(--color-muted);
}

/* ---------- Video modal / lightbox ---------- */

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms var(--ease-out);
}

.video-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.video-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  cursor: pointer;
}

.video-modal__box {
  position: relative;
  width: min(90vw, 1000px);
  z-index: 1;
  transform: scale(0.96) translateY(8px);
  transition: transform 350ms cubic-bezier(0.25, 0, 0, 1);
}

.video-modal.is-open .video-modal__box {
  transform: scale(1) translateY(0);
}

.video-modal__close {
  position: absolute;
  top: -52px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 150ms var(--ease-out);
  flex-shrink: 0;
}

.video-modal__close:hover {
  background: rgba(255, 255, 255, 0.28);
}

.video-modal__player {
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
}

.video-modal__player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* Hero card becomes a pointer when it can open the modal */
[data-open-video] {
  cursor: pointer;
}

/* ---------- Misc ---------- */

.divider {
  height: 1px;
  background-color: rgba(255, 255, 255, 0.1);
}

.divider--dark {
  background-color: rgba(0, 0, 0, 0.1);
}