/* === COMPONENTS — Cards, buttons, form, gallery === */

/* --- Button --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border: 2px solid transparent;
  border-radius: 4px;
  background: var(--btn-bg);
  color: var(--btn-text);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-in-out),
              transform var(--duration-fast) var(--ease-spring),
              box-shadow var(--duration-fast) var(--ease-out);
}

.btn:hover {
  background: var(--btn-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0) scale(0.98);
  box-shadow: none;
}

.btn:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.btn--outline {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: var(--btn-text);
}

/* --- Card bois (essences) --- */

.card-bois {
  background: var(--surface-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-base) var(--ease-spring),
              box-shadow var(--duration-base) var(--ease-out);
}

.card-bois:hover,
.card-bois:focus-within {
  transform: perspective(600px) rotateY(3deg) translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-bois__swatch {
  aspect-ratio: 16 / 9;
  width: 100%;
}

.card-bois__body {
  padding: var(--space-4) var(--space-6);
}

.card-bois__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--accent);
  margin-bottom: var(--space-1);
}

.card-bois__desc {
  font-size: var(--text-small);
  color: var(--text-secondary);
  line-height: var(--lh-body);
}

/* --- Card realisation --- */

.card-realisation {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.card-realisation:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.card-realisation__img {
  aspect-ratio: 4 / 3;
  width: 100%;
}

.card-realisation__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-6);
  background: linear-gradient(
    to top,
    rgba(44, 24, 16, 0.85) 0%,
    rgba(44, 24, 16, 0.2) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.card-realisation:hover .card-realisation__overlay,
.card-realisation:focus-within .card-realisation__overlay {
  opacity: 1;
}

/* Mobile: overlay always visible (no hover) */
@media (hover: none) {
  .card-realisation__overlay {
    opacity: 1;
    background: linear-gradient(
      to top,
      rgba(44, 24, 16, 0.9) 0%,
      rgba(44, 24, 16, 0.4) 40%,
      transparent 100%
    );
  }
}

.card-realisation__title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--text-on-dark);
}

.card-realisation__meta {
  font-size: var(--text-small);
  color: var(--accent-light);
  margin-top: var(--space-1);
}

/* --- Gallery (horizontal scroll) --- */

.gallery-scroll {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-inline: var(--section-px);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-light) transparent;
  padding-block: var(--space-4);
  padding-inline: var(--section-px);
}

.gallery-scroll::-webkit-scrollbar {
  height: 6px;
}

.gallery-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.gallery-scroll::-webkit-scrollbar-thumb {
  background: var(--accent-light);
  border-radius: 3px;
}

.gallery-scroll__item {
  scroll-snap-align: start;
  flex: 0 0 85%;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

@media (min-width: 640px) {
  .gallery-scroll__item { flex: 0 0 45%; }
}

@media (min-width: 1024px) {
  .gallery-scroll__item { flex: 0 0 32%; }
}

/* --- Form --- */

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

.form-group + .form-group {
  margin-top: var(--space-6);
}

.form-label {
  font-size: var(--text-small);
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
}

.form-input,
.form-textarea,
.form-select {
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--accent-light);
  border-radius: 4px;
  background: var(--surface-white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-in-out),
              box-shadow var(--duration-fast) var(--ease-in-out);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(107, 66, 38, 0.15);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-secondary);
  font-style: italic;
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Filled state — visual feedback when field has content */
.form-input.is-filled,
.form-textarea.is-filled,
.form-select.is-filled {
  border-color: var(--accent);
  background-color: rgba(107, 66, 38, 0.03);
}

/* Validation — show error only after user interaction */
.form-input:user-invalid,
.form-textarea:user-invalid {
  border-color: #b44;
  box-shadow: 0 0 0 3px rgba(187, 68, 68, 0.1);
}

.form-input:user-valid.is-filled,
.form-textarea:user-valid.is-filled {
  border-color: #4a7c4a;
  box-shadow: 0 0 0 3px rgba(74, 124, 74, 0.08);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5l5 5 5-5' stroke='%236B4226' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-12);
}

/* --- Contact info --- */

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-info__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-body);
  line-height: var(--lh-body);
}

.contact-info__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--accent);
}

/* --- Scroll indicator (hero chevron) --- */

.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent-light);
  font-size: var(--text-small);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
  cursor: default;
}

.scroll-indicator__chevron {
  width: 24px;
  height: 24px;
}

/* --- Quote / citation --- */

.citation {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  line-height: var(--lh-heading);
  color: var(--accent-light);
  max-width: 50ch;
  position: relative;
  padding-left: var(--space-6);
}

.citation::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-light);
  border-radius: 2px;
}

/* --- Image placeholder --- */

.img-placeholder {
  width: 100%;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.3);
  font-size: var(--text-small);
  font-style: italic;
  overflow: hidden;
  position: relative;
}

.img-placeholder--landscape { aspect-ratio: 16 / 9; }
.img-placeholder--portrait  { aspect-ratio: 3 / 4; }
.img-placeholder--square    { aspect-ratio: 1; }
.img-placeholder--wide      { aspect-ratio: 21 / 9; }