/* ═══════════════════════════════════════════════════════════════
   ACCOUNTCHI DESIGN SYSTEM v2.0
   Component library for all page templates
   ═══════════════════════════════════════════════════════════════ */

/* ─── LAYOUT TOKENS ─── */
:root {
  --ds-container: 1240px;
  --ds-container-narrow: 960px;
  --ds-container-wide: 1400px;
  --ds-gap-xs: 6px;
  --ds-gap-sm: 10px;
  --ds-gap-md: 18px;
  --ds-gap-lg: 28px;
  --ds-gap-xl: 48px;
  --ds-gap-2xl: 80px;
  --ds-radius-sm: 8px;
  --ds-radius-md: 14px;
  --ds-radius-lg: 20px;
  --ds-radius-xl: 28px;
  --ds-radius-pill: 99px;
}

/* ─── SECTION UTILITIES ─── */
.ds-section {
  padding: clamp(48px, 7vw, 88px) clamp(16px, 4vw, 32px);
}
.ds-section--tight {
  padding: clamp(24px, 4vw, 48px) clamp(16px, 4vw, 32px);
}
.ds-section--flush {
  padding: 0 clamp(16px, 4vw, 32px);
}
.ds-container {
  max-width: var(--ds-container);
  margin-inline: auto;
  width: 100%;
}
.ds-container--narrow {
  max-width: var(--ds-container-narrow);
}
.ds-container--wide {
  max-width: var(--ds-container-wide);
}

/* ─── BREADCRUMB ─── */
.ds-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted2);
  margin-bottom: 24px;
}
.ds-breadcrumb a {
  color: var(--muted2);
  transition: color .2s;
}
.ds-breadcrumb a:hover {
  color: var(--accent-text);
}
.ds-breadcrumb .sep {
  opacity: .5;
}
.ds-breadcrumb .current {
  color: var(--muted);
  font-weight: 700;
}

/* ─── BADGE / PILL ─── */
.ds-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-pill);
  padding: 6px 16px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--accent-text);
  white-space: nowrap;
}
.ds-badge--dot::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  animation: pulseDot 2s ease infinite;
}
.ds-badge--accent {
  background: var(--accent-soft);
  border-color: rgba(139, 92, 246, .2);
}

/* ─── SECTION HEADER ─── */
.ds-section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: clamp(28px, 4vw, 48px);
}
.ds-section-header h2 {
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 900;
  margin: 0 0 10px;
  letter-spacing: -.4px;
  line-height: 1.3;
}
.ds-section-header p {
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--muted);
  margin: 0;
  line-height: 1.9;
}
.ds-section-header .accent {
  color: var(--accent-text);
}

/* ─── CARD BASE ─── */
.ds-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-lg);
  padding: var(--ds-gap-lg);
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}
.ds-card:hover {
  border-color: var(--border2);
  box-shadow: var(--card-shadow);
  transform: translateY(-2px);
}
.ds-card a {
  color: inherit;
  text-decoration: none;
}

/* ─── CATEGORY CARD (for overview grid) ─── */
.ds-cat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-xl);
  padding: clamp(22px, 3vw, 32px);
  color: var(--text);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 320px;
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.ds-cat-card:hover {
  border-color: var(--border2);
  box-shadow: var(--card-shadow);
  transform: translateY(-4px);
}
.ds-cat-card a {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.ds-cat-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-bottom: 20px;
}
.ds-cat-card__title {
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.3;
}
.ds-cat-card__desc {
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 16px;
  flex: 1;
}
.ds-cat-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 20px;
}
.ds-cat-card__tag {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-pill);
  padding: 5px 12px;
}
.ds-cat-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.ds-cat-card__price {
  font-size: 14px;
  font-weight: 800;
}
.ds-cat-card__price .amount {
  color: var(--accent-text);
}
.ds-cat-card__count {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-text);
  background: var(--accent-soft);
  border-radius: var(--ds-radius-pill);
  padding: 5px 13px;
}

/* ─── SUBCATEGORY CARD (smaller, for inside category) ─── */
.ds-subcat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-lg);
  padding: clamp(18px, 2.5vw, 26px);
  color: var(--text);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.ds-subcat-card:hover {
  border-color: var(--accent);
  box-shadow: 0 12px 40px -12px rgba(139, 92, 246, .2);
  transform: translateY(-3px);
}
.ds-subcat-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ds-subcat-card__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-text);
}
.ds-subcat-card__arrow {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  transition: all .2s;
}
.ds-subcat-card:hover .ds-subcat-card__arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateX(-3px);
}
.ds-subcat-card__title {
  font-size: 17px;
  font-weight: 800;
  margin: 0;
}
.ds-subcat-card__desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}
.ds-subcat-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--muted2);
}
.ds-subcat-card__meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ─── PRODUCT CARD (for grids) ─── */
.ds-product-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-md);
  overflow: hidden;
  color: var(--text);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.ds-product-card:hover {
  border-color: var(--border2);
  box-shadow: var(--card-shadow);
  transform: translateY(-2px);
}
.ds-product-card__img {
  aspect-ratio: 16/10;
  background: var(--surface);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.ds-product-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ds-product-card__badge {
  position: absolute;
  top: 10px;
  inset-inline-end: 10px;
  font-size: 11px;
  font-weight: 700;
  background: var(--ok);
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--ds-radius-pill);
}
.ds-product-card__body {
  padding: 16px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.ds-product-card__title {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ds-product-card__meta {
  font-size: 12px;
  color: var(--muted2);
  margin-bottom: 12px;
}
.ds-product-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ds-product-card__price {
  font-size: 16px;
  font-weight: 900;
  color: var(--accent-text);
}
.ds-product-card__btn {
  font-size: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  border: 0;
  border-radius: var(--ds-radius-sm);
  padding: 8px 16px;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s;
}
.ds-product-card__btn:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 20px -6px var(--glow);
}

/* ─── FEATURE GRID ─── */
.ds-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--ds-gap-md);
}
.ds-feature {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.ds-feature__icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-text);
}
.ds-feature__text h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 4px;
}
.ds-feature__text p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.7;
}

/* ─── STEP LIST ─── */
.ds-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--ds-gap-lg);
  counter-reset: step;
}
.ds-step {
  position: relative;
  padding-top: 48px;
  counter-increment: step;
}
.ds-step::before {
  content: counter(step);
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  display: grid;
  place-items: center;
}
.ds-step h4 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 6px;
}
.ds-step p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.8;
}

/* ─── CTA SECTION ─── */
.ds-cta {
  background: linear-gradient(135deg, var(--accent-soft), transparent 40%), var(--card);
  border: 1px solid var(--border);
  border-radius: var(--ds-radius-xl);
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.ds-cta h2 {
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  margin: 0 0 12px;
}
.ds-cta p {
  font-size: 15px;
  color: var(--muted);
  margin: 0 0 28px;
  max-width: 50ch;
  margin-inline: auto;
}
.ds-cta .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--ds-radius-md);
  border: 0;
  cursor: pointer;
  box-shadow: 0 10px 28px -10px var(--glow);
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
}
.ds-cta .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -10px var(--glow);
}

/* ─── FAQ ACCORDION ─── */
.ds-faq {
  max-width: 720px;
  margin-inline: auto;
}
.ds-faq-item {
  border-bottom: 1px solid var(--border);
}
.ds-faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  color: var(--text);
}
.ds-faq-item summary::-webkit-details-marker { display: none }
.ds-faq-item summary::after {
  content: '+';
  font-size: 20px;
  color: var(--muted);
  transition: transform .2s;
}
.ds-faq-item[open] summary::after {
  transform: rotate(45deg);
}
.ds-faq-item .answer {
  padding: 0 0 18px;
  font-size: 14px;
  line-height: 2;
  color: var(--muted);
}

/* ─── COMPARISON TABLE ─── */
.ds-compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.ds-compare th,
.ds-compare td {
  padding: 14px 18px;
  text-align: right;
  border-bottom: 1px solid var(--border);
}
.ds-compare th {
  font-weight: 700;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.ds-compare td {
  color: var(--text);
}
.ds-compare tr:last-child td {
  border-bottom: 0;
}
.ds-compare .highlight {
  background: var(--accent-soft);
}

/* ─── GRID LAYOUTS ─── */
.ds-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--ds-gap-md);
}
.ds-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ds-gap-md);
}
.ds-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--ds-gap-md);
}
.ds-grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--ds-gap-md);
}

/* ─── TWO COLUMN LAYOUT ─── */
.ds-split {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(32px, 5vw, 64px);
}
.ds-split > * {
  flex: 1 1 400px;
  min-width: min(100%, 400px);
}

/* ─── TABS ─── */
.ds-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--ds-gap-lg);
}
.ds-tab {
  font-size: 13px;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: var(--ds-radius-pill);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: all .2s;
}
.ds-tab:hover {
  border-color: var(--border2);
  color: var(--text);
}
.ds-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ─── SCROLL REVEAL ─── */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s cubic-bezier(.16,1,.3,1), transform .6s cubic-bezier(.16,1,.3,1);
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="60"] { transition-delay: 60ms }
[data-reveal-delay="120"] { transition-delay: 120ms }
[data-reveal-delay="180"] { transition-delay: 180ms }
[data-reveal-delay="240"] { transition-delay: 240ms }
[data-reveal-delay="300"] { transition-delay: 300ms }
[data-reveal-delay="360"] { transition-delay: 360ms }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .ds-grid-4 { grid-template-columns: repeat(2, 1fr) }
  .ds-grid-3 { grid-template-columns: repeat(2, 1fr) }
}
@media (max-width: 640px) {
  .ds-grid-4,
  .ds-grid-3,
  .ds-grid-2 { grid-template-columns: 1fr }
  .ds-split { flex-direction: column }
  .ds-cat-card { min-height: auto }
  .ds-features { grid-template-columns: 1fr }
  .ds-steps { grid-template-columns: 1fr }
}