/* ============================================
   VERAMI.STUDIO — components.css
   Przyciski, karty, filtry, formularz,
   lightbox, grid portfolio
   ============================================ */

/* ================================================
   PRZYCISKI
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  border-radius: 0;                    /* ostry, architektoniczny */
  cursor: pointer;
  white-space: nowrap;
  transition:
    background var(--dur-mid) var(--ease-out),
    color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    box-shadow var(--dur-mid) var(--ease-out);
  position: relative;
  overflow: hidden;
}

/* Ripple efekt przy kliknieciu */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--dur-fast);
}

.btn:active::before {
  opacity: 0.06;
}

/* Ciemny — wypelniony */
.btn--primary {
  background: var(--color-dark);
  color: var(--color-light);
  border: 1px solid var(--color-dark);
}

.btn--primary:hover {
  background: transparent;
  color: var(--color-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(82, 58, 52, 0.2);
}

/* Konturowy */
.btn--outline {
  background: transparent;
  color: var(--color-dark);
  border: 1px solid var(--color-dark);
}

.btn--outline:hover {
  background: var(--color-dark);
  color: var(--color-light);
  transform: translateY(-1px);
}

/* Jasny — na ciemnym tle */
.btn--light {
  background: var(--color-light);
  color: var(--color-dark);
  border: 1px solid var(--color-light);
}

.btn--light:hover {
  background: transparent;
  color: var(--color-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(241, 242, 237, 0.15);
}

/* Ghostowy — sam tekst ze strzalka */
.btn--ghost {
  background: transparent;
  border: none;
  color: var(--color-dark);
  padding-inline: 0;
  letter-spacing: var(--tracking-wide);
  gap: var(--space-3);
}

.btn--ghost::after {
  content: '\2192';           /* → */
  display: inline-block;
  transition: transform var(--dur-mid) var(--ease-spring);
}

.btn--ghost:hover::after {
  transform: translateX(6px);
}

/* Maly */
.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.65rem;
}

/* ================================================
   KARTY PORTFOLIO
   ================================================ */

/* Grid na stronie portfolio.html */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* Grid podgladu na index.html */
.portfolio-preview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

/* Karta projektu */
.project-card {
  display: block;
  position: relative;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-dark-06);
  cursor: pointer;
  /* Subtelny cien na hover */
  transition:
    box-shadow var(--dur-mid) var(--ease-out),
    transform var(--dur-mid) var(--ease-out);
}

.project-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

/* Kontener obrazu — zachowuje proporcje */
.project-card__image-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 5;    /* pionowe karty — bardzo eleganckie */
}

.project-card__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-out);
  will-change: transform;
}

/* Zoom obrazu przy hover */
.project-card:hover .project-card__image {
  transform: scale(1.06);
}

/* Overlay — pojawia sie przy hover */
.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(82, 58, 52, 0.90) 0%,
    rgba(82, 58, 52, 0.35) 40%,
    transparent 70%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  gap: var(--space-2);
  opacity: 0;
  transition: opacity var(--dur-mid) var(--ease-out);
}

.project-card:hover .project-card__overlay {
  opacity: 1;
}

/* Tytul i meta w overlay */
.project-card__title {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 300;
  color: var(--color-light);
  line-height: var(--leading-snug);
  transform: translateY(10px);
  transition: transform var(--dur-mid) var(--ease-out);
}

.project-card__meta {
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: rgba(241, 242, 237, 0.65);
  transform: translateY(10px);
  transition: transform var(--dur-mid) var(--ease-out) 0.04s;
}

.project-card:hover .project-card__title,
.project-card:hover .project-card__meta {
  transform: translateY(0);
}

/* Info pod obrazem */
.project-card__info {
  padding: var(--space-4) var(--space-2) var(--space-3);
}

.project-card__info-title {
  font-family: var(--font-body);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-dark);
}

.project-card__info-meta {
  font-size: var(--text-xs);
  color: var(--color-dark-40);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* ================================================
   FILTRY PORTFOLIO
   ================================================ */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-12);
}

.filter-btn {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--color-dark-40);
  border-radius: 100px;          /* pill */
  background: transparent;
  color: var(--color-dark-80);
  cursor: pointer;
  transition:
    background var(--dur-mid) var(--ease-out),
    color var(--dur-mid) var(--ease-out),
    border-color var(--dur-mid) var(--ease-out);
}

.filter-btn:hover {
  border-color: var(--color-dark);
  color: var(--color-dark);
}

.filter-btn.is-active {
  background: var(--color-dark);
  color: var(--color-light);
  border-color: var(--color-dark);
}

/* Pusty stan gridu */
.portfolio-empty {
  grid-column: 1 / -1;
  padding: var(--space-20);
  text-align: center;
  font-size: var(--text-lg);
  font-weight: 300;
  color: var(--color-dark-40);
}

/* ================================================
   FORMULARZ KONTAKTOWY
   ================================================ */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form__label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-dark-80);
}

.form__input,
.form__textarea {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 300;
  color: var(--color-dark);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-dark-40);
  padding: var(--space-3) 0;
  width: 100%;
  border-radius: 0;
  transition: border-color var(--dur-mid) var(--ease-out);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-dark-40);
  font-weight: 300;
}

.form__input:focus,
.form__textarea:focus {
  border-bottom-color: var(--color-dark);
  outline: none;
}

.form__input.is-invalid,
.form__textarea.is-invalid {
  border-bottom-color: #b03020;
}

.form__status.is-loading {
  display: block;
  color: var(--color-dark-60);
  font-style: italic;
}

.form__textarea {
  resize: none;
  min-height: 130px;
  line-height: var(--leading-loose);
}

.form__status {
  font-size: var(--text-sm);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  display: none;
  margin-bottom: var(--space-4);
}

.form__status.is-success {
  display: block;
  background: rgba(82, 58, 52, 0.07);
  color: var(--color-dark);
}

.form__status.is-error {
  display: block;
  background: rgba(180, 60, 50, 0.07);
  color: #a02020;
}

/* ================================================
   LIGHTBOX
   ================================================ */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 7, 6, 0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-mid) var(--ease-out);
}

.lightbox.is-open {
  opacity: 1;
  pointer-events: all;
}

.lightbox__img {
  max-width: 88vw;
  max-height: 86vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: rgba(241, 242, 237, 0.6);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--dur-fast);
}

.lightbox__close:hover {
  color: var(--color-light);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: rgba(241, 242, 237, 0.5);
  font-size: 2.5rem;
  font-weight: 200;
  cursor: pointer;
  padding: var(--space-4);
  line-height: 1;
  transition: color var(--dur-fast);
  -webkit-user-select: none;
  user-select: none;
}

.lightbox__nav:hover {
  color: var(--color-light);
}

.lightbox__nav--prev {
  left: var(--space-4);
}

.lightbox__nav--next {
  right: var(--space-4);
}

.lightbox__counter {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: rgba(241, 242, 237, 0.4);
}

/* ================================================
   HERO SLIDER (projekt.html)
   ================================================ */

.hero-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: var(--color-dark);
}

.hero-slider__track {
  display: flex;
  will-change: transform;
}

.hero-slider__slide {
  flex: 0 0 100%;
  width: 100%;
}

.hero-slider__slide img {
  width: 100%;
  height: clamp(280px, 55vh, 660px);
  object-fit: cover;
  display: block;
}

/* Strzalki */
.hero-slider__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: transparent;
  border: none;
  color: var(--color-light);
  font-size: 2.5rem;
  font-weight: 200;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  line-height: 1;
  transition: opacity var(--dur-fast);
  -webkit-user-select: none;
  user-select: none;
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.5);
}

.hero-slider__btn:hover {
  opacity: 0.7;
}

.hero-slider__btn--prev { left: var(--space-4); }
.hero-slider__btn--next { right: var(--space-4); }

/* Kropki */
.hero-slider__dots {
  position: absolute;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: 10;
}

.hero-slider__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(241, 242, 237, 0.4);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background var(--dur-mid), transform var(--dur-mid);
}

.hero-slider__dot.is-active {
  background: var(--color-light);
  transform: scale(1.35);
}

/* Ukryj strzalki gdy tylko 1 zdjecie */
.hero-slider--single .hero-slider__btn,
.hero-slider--single .hero-slider__dots {
  display: none;
}

/* ================================================
   SKELETON LOADER (portfolio.html)
   ================================================ */

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.skeleton {
  background: var(--color-dark-06);
  animation: skeleton-pulse 1.8s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* Karta skeleton */
.project-card[aria-hidden="true"] .project-card__image-wrap {
  aspect-ratio: 4 / 5;
  animation: skeleton-pulse 1.8s ease-in-out infinite;
}

/* ================================================
   BADGE / TAG
   ================================================ */

.badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  background: var(--color-dark-06);
  color: var(--color-dark-80);
  border-radius: 100px;
}