/* ========================================
   BASE — Reset, Typography, Layout Utils
   Mobile-First
   ======================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#main-content {
  flex: 1;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p { line-height: 1.7; }

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* Section utilities */
.section-title {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: 56ch;
  margin-bottom: var(--space-12);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.75rem;
  font-family: var(--font-display);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  min-height: 48px;
}

.btn--primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}
.btn--primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 12px 30px rgba(232,93,38,.40);
}
.btn--primary:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--font-size-xs);
  min-height: 40px;
}

.btn--full {
  width: 100%;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.breadcrumb a {
  color: var(--color-primary-light);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span[aria-hidden] { color: var(--color-border); }
.breadcrumb [aria-current] { color: var(--color-text-secondary); }

/* Preview strip — horizontal scrollable row */
.preview-strip {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding-block: var(--space-4);
  padding-inline: var(--container-pad);
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  -webkit-overflow-scrolling: touch;
}
.preview-strip::-webkit-scrollbar { height: 4px; }
.preview-strip::-webkit-scrollbar-track { background: transparent; }
.preview-strip::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

.preview-card {
  flex: 0 0 clamp(260px, 70vw, 320px);
  scroll-snap-align: start;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}
.preview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.preview-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #eee;
}
.preview-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.preview-card:hover .preview-card__img img { transform: scale(1.04); }
.preview-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #e8e4dc, #f0ece4);
  color: var(--color-text-muted);
  padding: var(--space-6);
}
.preview-card__img--placeholder svg {
  width: 60%;
  height: auto;
}

.preview-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}
.preview-card__cat {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.preview-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
}
.preview-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  flex: 1;
}
.preview-card__cta {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-accent);
  margin-top: auto;
  padding-top: var(--space-3);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-20) var(--space-4);
  color: var(--color-text-secondary);
}
.empty-state p { margin-bottom: var(--space-6); }

/* Reveal animation */
.service-item,
.preview-card,
.stat-item,
.product-row {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease var(--reveal-delay, 0ms), transform 0.5s ease var(--reveal-delay, 0ms);
}
.service-item.is-visible,
.preview-card.is-visible,
.stat-item.is-visible,
.product-row.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Focus visible */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Skip to content */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  z-index: 9999;
  font-size: var(--font-size-sm);
}
.skip-link:focus {
  top: var(--space-4);
}

/* ===== TABLET+ ===== */
@media (min-width: 768px) {
  .btn--full { width: auto; }
  .preview-card { flex: 0 0 320px; }
}

@media (min-width: 1024px) {
  .preview-strip { padding-inline: calc((100vw - var(--max-width)) / 2 + var(--container-pad)); }
}