/* ==========================================================================
   کاد — صفحه اصلی
   ========================================================================== */

/* ---------------------------------- Hero ---------------------------------- */
.hero {
  background: linear-gradient(180deg, #fbf3e1 0%, #f7eeda 55%, #f4ecd8 100%);
  padding-top: var(--space-12);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

[data-theme='dark'] .hero {
  background: linear-gradient(180deg, #222120 0%, #1a1918 55%, #131211 100%);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
}

.hero-copy p,
.hero-copy .hero-tag {
  margin-left: auto;
  margin-right: auto;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.hero-lead {
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: var(--fw-bold);
  color: var(--color-gray-700);
  margin-bottom: var(--space-4);
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1.1rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-lighter);
  border: 1px solid var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-8);
}

.hero-copy .hero-tag {
  color: var(--color-primary-dark);
  font-size: 1rem;
  max-width: none;
}

.hero-tag svg {
  width: 18px;
  height: 18px;
}

[data-theme='dark'] .hero-copy .hero-tag {
  color: var(--color-primary);
  border-color: rgba(227, 185, 85, 0.45);
}

.hero-copy p {
  color: var(--color-gray-600);
  font-size: 1.05rem;
  max-width: 46ch;
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-actions { justify-content: center; }
}

/* -------- Filter bar -------- */
.filter-bar {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: calc(var(--space-10) * -1);
  position: relative;
  z-index: 5;
}

.filter-field {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2);
  flex: 1;
  min-width: 0;
}

.filter-field svg {
  width: 18px;
  height: 18px;
  color: var(--color-gray-400);
  flex-shrink: 0;
}

.filter-field select {
  border: none;
  background: transparent;
  font-size: var(--text-body2-size);
  color: var(--color-gray-700);
  width: 100%;
  cursor: pointer;
}

.filter-field select:focus {
  outline: none;
}

.filter-divider {
  width: 1px;
  height: 28px;
  background: var(--color-gray-100);
  flex-shrink: 0;
}

.filter-search {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 0 var(--space-2) 0 var(--space-2);
  flex: 1.4;
  min-width: 0;
}

.filter-search input {
  border: none;
  background: transparent;
  padding: var(--space-3);
  width: 100%;
  font-size: var(--text-body2-size);
}

.filter-search input:focus {
  outline: none;
}

.filter-search-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.filter-search-btn svg {
  width: 17px;
  height: 17px;
}

@media (max-width: 900px) {
  .filter-bar {
    flex-wrap: wrap;
    margin-top: var(--space-4);
  }
  .filter-field {
    flex: 1 1 45%;
  }
  .filter-divider {
    display: none;
  }
  .filter-search {
    flex: 1 1 100%;
  }
}

/* ---------------------------------- Category grid ---------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

@media (max-width: 900px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}

.category-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gray-200);
}

.category-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cat-bg);
  color: var(--cat-fg);
}

.category-icon svg {
  width: 26px;
  height: 26px;
}

.category-card h3 {
  font-size: var(--text-h4-size);
}

.category-card .link-arrow {
  font-size: var(--text-caption-size);
}

/* ---------------------------------- Notes carousel ---------------------------------- */
.section-head-actions {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.carousel-nav {
  display: flex;
  gap: var(--space-2);
}

.notes-row {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(240px, 1fr);
  gap: var(--space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: var(--space-2);
  scrollbar-width: none;
}

.notes-row::-webkit-scrollbar {
  display: none;
}

.notes-row.grid-static {
  grid-auto-flow: initial;
  grid-template-columns: repeat(3, 1fr);
  overflow: visible;
}

@media (max-width: 900px) {
  .notes-row.grid-static { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .notes-row.grid-static { grid-template-columns: 1fr; gap: var(--space-3); }
  .notes-row { grid-auto-columns: minmax(200px, 1fr); }

  .note-cover {
    aspect-ratio: 3 / 4;
    padding: var(--space-3);
  }
}

/* کارت جزوه — عمودی: عکس بزرگ بالا، اطلاعات فشرده پایین (۳ کارت در هر ردیف) */
.note-card {
  scroll-snap-align: start;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.note-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.note-card .note-body {
  order: 2;
}

.note-card .note-cover {
  order: 1;
}

.note-cover {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  flex-shrink: 0;
  background: linear-gradient(160deg, var(--cover-bg), color-mix(in srgb, var(--cover-bg) 55%, #1a140d));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  overflow: hidden;
}

@media (max-width: 560px) {
  .note-cover { aspect-ratio: 1 / 1; padding: var(--space-3); }
}

.note-cover-book {
  position: relative;
  z-index: 1;
  width: 70%;
  height: 82%;
  max-width: 160px;
  border-radius: 8px;
  background: linear-gradient(160deg, #2e2418 0%, #1a140d 100%);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 4px;
  padding: var(--space-2);
  color: var(--color-white);
  overflow: hidden;
}

.note-cover-book::before {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.45), transparent);
}

.note-cover-book .cover-icon {
  position: relative;
  width: 22px;
  height: 22px;
  color: var(--cover-fg);
  opacity: 0.85;
  margin-top: 2px;
}

.note-cover.has-photo {
  padding: 0;
}

.note-cover .cover-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.note-cover .badge-format {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
}

.note-cover .note-new-badge {
  position: absolute;
  top: 2.75rem;
  right: var(--space-3);
  z-index: 2;
}

.note-cover .cover-title {
  position: relative;
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  line-height: 1.4;
  z-index: 1;
}

.note-body {
  flex: 1;
  min-width: 0;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: 6px;
  justify-content: flex-start;
}

@media (max-width: 560px) {
  .note-body { padding: var(--space-3); }
}

.note-subject-pill {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: var(--fw-medium);
  background: color-mix(in srgb, var(--cover-bg) 14%, transparent);
  color: var(--cover-bg);
  margin-bottom: 2px;
}

.note-body .note-title-line {
  font-size: 0.92rem;
  font-weight: var(--fw-bold);
  color: var(--color-gray-900);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-chapter {
  font-size: 0.78rem;
  color: var(--color-gray-500);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-teacher {
  font-size: 0.78rem;
  font-weight: var(--fw-medium);
  color: var(--color-gray-700);
  display: inline-block;
  width: fit-content;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.note-teacher:hover {
  color: var(--color-primary);
}

.note-teacher-muted {
  color: var(--color-gray-400) !important;
  cursor: default;
}

.note-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-top: 1px dashed var(--color-gray-100);
  margin-top: 2px;
  font-size: 0.78rem;
}

.note-footer {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
  margin-top: 2px;
}

.note-price {
  font-weight: var(--fw-bold);
  color: var(--color-gray-900);
  font-size: 0.98rem;
}

.note-footer .btn {
  width: 100%;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  font-size: 0.85rem;
}

/* ---------------------------------- Feature strip + promo ---------------------------------- */
.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: -34px;
  position: relative;
  z-index: 2;
  padding: var(--space-2);
}

.feature-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  font-size: var(--text-body2-size);
  font-weight: var(--fw-medium);
  color: var(--color-gray-700);
  border-left: 1px solid var(--color-gray-100);
}

.feature-item:last-child {
  border-left: none;
}

.feature-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
}

@media (max-width: 760px) {
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
  .feature-item:nth-child(2) { border-left: none; }
  .feature-item { border-bottom: 1px solid var(--color-gray-100); }
}

.promo-banner {
  background: linear-gradient(120deg, #201811, #4a3b26 55%, #9c7a24);
  border-radius: var(--radius-xl);
  padding: 56px var(--space-10) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.promo-banner::before {
  content: '';
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -90px;
  left: -60px;
}

.promo-text h2 {
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.promo-text p {
  color: rgba(255, 255, 255, 0.82);
  max-width: 46ch;
  margin-bottom: var(--space-5);
}

.promo-icon {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.promo-icon svg {
  width: 46px;
  height: 46px;
  color: #fde68a;
}

@media (max-width: 760px) {
  .promo-banner { flex-direction: column; text-align: center; padding: var(--space-8) var(--space-5); }
  .promo-text p { margin-left: auto; margin-right: auto; }
}

/* ---------------------------------- Stats (تعداد دانشجو / سفارش موفق) ---------------------------------- */
.stats-section { padding-top: 0; padding-bottom: 0; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}

@media (max-width: 560px) {
  .stats-grid { grid-template-columns: 1fr; }
}

.stat-card {
  background: linear-gradient(155deg, var(--color-primary-lighter), var(--color-white));
  border: 1px solid var(--tint-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8) var(--space-6);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(155deg, #e3c16f, #9c7a24);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.stat-icon svg { width: 28px; height: 28px; color: var(--color-white); }

.stat-number {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: var(--fw-bold);
  color: var(--color-primary-dark);
}

[data-theme='dark'] .stat-number { color: var(--color-primary); }

.stat-label {
  color: var(--color-gray-600);
  font-size: var(--text-body2-size);
}

/* ---------------------------------- درباره موسسه کاد ---------------------------------- */
.about-institute-inner {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: var(--space-10);
}

@media (max-width: 800px) {
  .about-institute-inner { grid-template-columns: 1fr; text-align: center; }
}

.about-institute-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-institute-icon img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  filter: drop-shadow(var(--shadow-xl));
}

@media (max-width: 800px) {
  .about-institute-icon img { width: 150px; height: 150px; margin: 0 auto; }
}

.about-institute-copy h2 {
  margin-bottom: var(--space-4);
}

.about-institute-copy p {
  color: var(--color-gray-600);
  line-height: 1.9;
  margin-bottom: var(--space-4);
}

.about-institute-points {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.about-institute-points li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-body2-size);
  color: var(--color-gray-700);
}

@media (max-width: 800px) {
  .about-institute-points li { justify-content: center; }
}

.about-institute-points svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* ---------------------------------- Quick access row (دسترسی سریع، پین‌شده توسط ادمین) ---------------------------------- */
.quick-access-row {
  display: flex;
  gap: var(--space-4);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  scroll-snap-type: x proximity;
}

.quick-access-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  width: 96px;
  text-align: center;
}

.quick-access-thumb {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--cover-bg), color-mix(in srgb, var(--cover-bg) 55%, #1a140d));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

.quick-access-item:hover .quick-access-thumb {
  transform: translateY(-3px);
}

.quick-access-thumb i {
  width: 26px;
  height: 26px;
  color: var(--cover-fg);
}

.quick-access-thumb.has-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.quick-access-name {
  font-size: var(--text-caption-size);
  color: var(--color-gray-600);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* لوگوی آموزشگاه در بخش «چرا آموزشگاه کاد؟» — لوگوی اصلی، بدون قاب مربع */
.about-institute-icon img {
  width: 260px;
  height: auto;
  max-height: 220px;
}

@media (max-width: 800px) {
  .about-institute-icon img { width: 190px; height: auto; }
}

.about-institute-cta {
  margin-top: var(--space-5);
}