/* ============================================================
   ALMARA DESIGN — Shared UI Components
   Buttons, Cards, Forms, Tags, Loaders
   ============================================================ */

/* ── Buttons ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: 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;
  line-height: 1;
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  border: 1.5px solid transparent;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }
.btn:active { transform: scale(0.98); }

/* Primary */
.btn--primary {
  background: var(--color-accent);
  color: var(--color-surface);
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(184,149,106,0.35);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
}

/* Ghost/Light on dark bg */
.btn--ghost {
  background: rgba(255,255,255,0.1);
  color: #F0EDE7;
  border-color: rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}

/* Dark */
.btn--dark {
  background: var(--color-text-primary);
  color: var(--color-bg);
  border-color: var(--color-text-primary);
}
.btn--dark:hover {
  background: transparent;
  color: var(--color-text-primary);
  transform: translateY(-2px);
}

/* Icon Button */
.btn__arrow {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  transition: transform var(--transition-base);
}
.btn:hover .btn__arrow { transform: translateX(4px); }

/* ── Tags / Badges ─────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.tag--default {
  color: var(--color-text-secondary);
  border-color: var(--color-border);
  background: transparent;
}
.tag--default:hover, .tag--active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(184,149,106,0.08);
}

/* ── Project Card ──────────────────────────────── */
.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  cursor: pointer;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.project-card__image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-surface-alt);
}

.project-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-card__img {
  transform: scale(1.06);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(26,24,20,0.75) 0%,
    rgba(26,24,20,0.2) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.project-card__view {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  opacity: 0;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: #F0EDE7;
  border: 1px solid rgba(240,237,231,0.5);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
  transition: all var(--transition-base);
}

.project-card:hover .project-card__view {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.project-card__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-surface-alt), var(--color-border));
}

.project-card__placeholder-icon {
  width: 48px;
  height: 48px;
  stroke: var(--color-border);
  fill: none;
  stroke-width: 1;
  opacity: 0.6;
}

.project-card__body {
  padding: var(--space-4) var(--space-6) var(--space-6);
}

.project-card__category {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  line-height: var(--leading-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.project-card__meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ── Form Elements ─────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.form-control {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.125rem;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  -webkit-appearance: none;
}

.form-control::placeholder { color: var(--color-text-muted); }

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184,149,106,0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
  line-height: var(--leading-loose);
}

/* ── Loading Skeleton ──────────────────────────── */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface-alt) 25%,
    var(--color-border) 50%,
    var(--color-surface-alt) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Lightbox ──────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(10,9,8,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  backdrop-filter: blur(8px);
}

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

.lightbox__inner {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox__img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.lightbox__close {
  position: absolute;
  top: -48px;
  right: 0;
  color: rgba(240,237,231,0.7);
  font-size: 1.5rem;
  transition: color var(--transition-fast);
  font-weight: 300;
  line-height: 1;
}
.lightbox__close:hover { color: #F0EDE7; }

.lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(240,237,231,0.7);
  font-size: 2rem;
  font-weight: 200;
  padding: var(--space-4);
  transition: color var(--transition-fast);
}
.lightbox__nav:hover { color: #F0EDE7; }
.lightbox__prev { left: -64px; }
.lightbox__next { right: -64px; }