.stamps-main {
  padding-top: 80px;
}

.stamps-hero {
  min-height: 68vh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(18, 12, 8, 0.2), rgba(18, 12, 8, 0.88)),
              url("../assets/heritage.png") center/cover no-repeat;
}

.stamps-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 16% 25%, rgba(255, 153, 51, 0.28), transparent 30%),
              radial-gradient(circle at 84% 35%, rgba(185, 133, 73, 0.24), transparent 30%);
}

.stamps-hero-content {
  width: min(920px, 92%);
  padding: 110px 0 82px;
  text-align: center;
  color: #fff;
}

.stamps-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.26);
  backdrop-filter: blur(10px);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.stamps-hero h1 {
  margin: 0 0 18px;
  font-family: "Playfair Display", serif;
  font-size: clamp(2.8rem, 7vw, 5.6rem);
  line-height: 1.03;
}

.stamps-hero h1 span {
  color: var(--primary-saffron);
}

.stamps-hero p {
  max-width: 760px;
  margin: 0 auto 28px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

.hero-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--primary-saffron);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hero-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
}

.stamps-section {
  padding: 82px 0 100px;
}

.stamps-container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

.stamps-heading {
  max-width: 800px;
  margin-bottom: 28px;
}

.stamps-heading h2 {
  margin: 8px 0 10px;
  font-family: "Playfair Display", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.stamps-heading p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.stamps-filters {
  display: flex;
  gap: 20px;
  margin: 28px 0 32px;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-group label {
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-select {
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-light);
  font-size: 0.95rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: var(--transition-snappy);
  min-width: 180px;
}

.filter-select:hover {
  border-color: rgba(255, 176, 31, 0.3);
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(255, 176, 31, 0.1);
}

.filter-select option {
  background: var(--bg-dark-deep);
  color: var(--text-light);
}

.stamps-status {
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stamps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}

.stamp-card {
  background: var(--bg-dark-card);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.stamp-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 176, 31, 0.35);
  box-shadow: var(--shadow-glow-active);
}

.stamp-card-image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, rgba(255, 153, 51, 0.1), rgba(18, 136, 7, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.stamp-card-image img {
  width: 160px;
  height: 200px;
  object-fit: contain;
  transition: transform 0.4s ease;
}

.stamp-card:hover .stamp-card-image img {
  transform: scale(1.05);
}

.stamp-card-category {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(255, 176, 31, 0.2);
  color: var(--primary-gold);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  backdrop-filter: blur(8px);
}

.stamp-card-body {
  padding: 24px;
}

.stamp-card-year {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-saffron);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.stamp-card-body h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  letter-spacing: -0.3px;
  line-height: 1.3;
}

.stamp-card-denomination {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.stamp-card-denomination::before {
  content: "💰";
}

.stamp-card-description {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stamp-card-theme {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  color: var(--primary-green);
  font-weight: 500;
}

.stamps-empty {
  display: none;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.stamps-empty.visible {
  display: block;
}

.stamps-empty h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--text-light);
}

.stamp-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(9, 13, 22, 0.9);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.stamp-modal.open {
  opacity: 1;
  visibility: visible;
}

.stamp-modal-card {
  position: relative;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-dark-card);
  -webkit-backdrop-filter: blur(15px);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-soft);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 0;
  transform: scale(0.95);
  transition: var(--transition-smooth);
}

.stamp-modal.open .stamp-modal-card {
  transform: scale(1);
}

.stamp-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-snappy);
  z-index: 10;
}

.stamp-modal-close:hover {
  background: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.modal-stamp-image {
  background: linear-gradient(135deg, rgba(255, 153, 51, 0.08), rgba(18, 136, 7, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  min-height: 300px;
}

.modal-stamp-image img {
  max-width: 100%;
  max-height: 400px;
  object-fit: contain;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.modal-stamp-content {
  padding: 40px;
  display: flex;
  flex-direction: column;
}

.modal-category {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 176, 31, 0.15);
  color: var(--primary-gold);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  width: fit-content;
}

.stamp-modal-card h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-info-grid div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-info-grid span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-info-grid strong {
  font-size: 1.1rem;
  color: var(--text-light);
}

.modal-description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.modal-theme {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: rgba(18, 136, 7, 0.08);
  border-radius: 12px;
  border: 1px solid rgba(18, 136, 7, 0.2);
}

.modal-theme span {
  font-size: 0.8rem;
  color: var(--primary-green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.modal-theme strong {
  font-size: 1rem;
  color: var(--text-light);
}

.stamps-footer {
  padding: 40px 0;
  background: var(--bg-dark-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.stamps-footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.stamps-footer a {
  color: var(--primary-gold);
  font-weight: 600;
}

.stamps-footer a:hover {
  text-decoration: underline;
}

body.modal-open {
  overflow: hidden;
}

/* Responsive Design */
@media (max-width: 768px) {
  .stamps-hero-content {
    padding: 80px 0 60px;
  }

  .stamps-hero h1 {
    font-size: 2.5rem;
  }

  .stamps-filters {
    flex-direction: column;
    gap: 16px;
  }

  .filter-select {
    width: 100%;
  }

  .stamps-grid {
    grid-template-columns: 1fr;
  }

  .stamp-modal-card {
    grid-template-columns: 1fr;
    max-height: 85vh;
  }

  .modal-stamp-image {
    padding: 30px;
    min-height: 250px;
  }

  .modal-stamp-content {
    padding: 24px;
  }

  .stamp-modal-card h2 {
    font-size: 1.6rem;
  }

  .modal-info-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .stamps-hero h1 {
    font-size: 2rem;
  }

  .stamps-kicker {
    font-size: 0.85rem;
  }

  .stamp-card-image {
    height: 180px;
  }

  .stamp-card-image img {
    width: 140px;
    height: 180px;
  }

  .stamp-card-body {
    padding: 20px;
  }

  .stamp-card-body h3 {
    font-size: 1.1rem;
  }
}