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

:root {
  --color-background: #f5f1eb;
  --color-surface: #ece6de;
  --color-dark: #1d1a17;
  --color-text: #2b2622;
  --color-text-light: #6f665d;
  --color-accent: #b79b7a;
  --color-border: #d8cec3;
  --color-hover: #9e8263;
  --color-white: #ffffff;

  --font-heading: "Cormorant Garamond", serif;
  --font-body: "Inter", sans-serif;
  --font-alt: "Inter", sans-serif;

  --fs-hero: clamp(3rem, 6vw, 5.5rem);
  --fs-h1: clamp(2.5rem, 5vw, 4.2rem);
  --fs-h2: 2.8rem;
  --fs-h3: 1.8rem;
  --fs-body: 1rem;
  --fs-small: 0.9rem;
  --fs-xs: 0.75rem;

  --section-padding: 90px;
  --container-width: 1350px;
  --border-radius: 6px;
  --transition: all 0.35s cubic-bezier(0.25, 1, 0.5, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  letter-spacing: -0.02em;
}

img {
  max-width: 100%;
  display: block;
}

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

ul {
  list-style: none;
}

/* ===== HEADER ===== */
header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  position: sticky;
  top: 0;
  z-index: 999;
  background-color: var(--color-white);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.logo {
  width: 170px;
}

.logo img {
  width: 100%;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-accent);
}

/* ===== MOBILE NAV ===== */
.nav-menu {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.85);
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 9999;
  display: none;
}

.nav-links-mobile {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  padding: 14px 0;
}

.nav-link-mobile {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-white);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

/* ===== HERO ===== */
.catalogue-hero {
  position: relative;
  height: 48vh;
  min-height: 320px;
  background-color: var(--color-dark);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.catalogue-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../Images/Home-Banner.webp") center/cover no-repeat;
  opacity: 0.35;
  filter: brightness(0.85);
}

.catalogue-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--color-accent),
    transparent
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 50px 40px;
  max-width: var(--container-width);
  width: 100%;
  margin: 0 auto;
}

.hero-eyebrow {
  font-size: var(--fs-xs);
  font-family: var(--font-body);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.hero-title {
  font-size: var(--fs-hero);
  color: var(--color-white);
  line-height: 1.05;
}

.hero-subtitle {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-body);
  max-width: 600px;
  margin-top: 12px;
}

/* ===== CATALOGUES MAIN SECTION ===== */
.catalogues-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--section-padding) 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: var(--fs-h1);
  color: var(--color-text);
  margin-bottom: 12px;
}

.section-header h2::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  margin: 18px auto 0 auto;
}

.section-description {
  color: var(--color-text-light);
  font-size: var(--fs-body);
  max-width: 650px;
  margin: 0 auto;
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* Grid Layout */
.catalogues-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.catalogue-card {
  position: relative;
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  border: 1px solid var(--color-border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.catalogue-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
  border-color: var(--color-accent);
}

.catalogue-image-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.catalogue-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.catalogue-card:hover .catalogue-image-wrap img {
  transform: scale(1.08);
}

.catalogue-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: rgba(29, 26, 23, 0.85);
  color: var(--color-accent);
  backdrop-filter: blur(4px);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  z-index: 2;
}

.catalogue-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.catalogue-info h3 {
  font-size: var(--fs-h3);
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.catalogue-desc {
  font-size: var(--fs-small);
  color: var(--color-text-light);
  margin-bottom: 20px;
  flex-grow: 1;
}

.card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.pdf-btn {
  background-color: var(--color-dark);
  color: var(--color-white);
  border: 1px solid var(--color-dark);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 18px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.pdf-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.download-link {
  color: var(--color-text-light);
  font-size: 12px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.download-link:hover {
  color: var(--color-accent);
}

/* Hidden Catalogue State for View More functionality */
.catalogue-card.catalogue-hidden {
  display: none !important;
  opacity: 0;
  transform: translateY(20px);
}

.catalogue-card.catalogue-reveal {
  animation: cardFadeIn 0.5s ease forwards;
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* View More Container */
.view-more-wrap {
  text-align: center;
  margin-top: 60px;
}

.view-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: var(--color-dark);
  color: var(--color-white);
  border: 1px solid var(--color-dark);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 16px 42px;
  border-radius: 30px;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.view-more-btn:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(183, 155, 122, 0.4);
}

.view-more-btn i {
  transition: transform 0.3s ease;
}

.view-more-btn.expanded i {
  transform: rotate(180deg);
}

/* ===== CTA SECTION ===== */
.cta-strip {
  background-color: var(--color-accent);
  padding: 80px 40px;
  text-align: center;
  color: var(--color-white);
}

.cta-strip h2 {
  font-size: var(--fs-h1);
  color: var(--color-white);
  margin-bottom: 16px;
}

.cta-strip p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.9);
  max-width: 550px;
  margin: 0 auto 34px;
}

.cta-btn {
  display: inline-block;
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: 14px 36px;
  font-size: var(--fs-small);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-body);
  font-weight: 500;
  transition: var(--transition);
  border-radius: var(--border-radius);
}

.cta-btn:hover {
  background-color: var(--color-white);
  color: var(--color-accent);
}

/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 24px;
  font-size: var(--fs-small);
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
}

/* ===== PDF MODAL ===== */
.pdf-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 99999;
  align-items: center;
  justify-content: center;
}

.pdf-modal.active {
  display: flex;
}

.pdf-modal-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(29, 26, 23, 0.85);
  backdrop-filter: blur(5px);
}

.pdf-modal-box {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 960px;
  height: 85vh;
  background-color: var(--color-dark);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.pdf-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  z-index: 10;
  background: rgba(0,0,0,0.5);
  border: none;
  color: var(--color-white);
  font-size: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pdf-modal-close:hover {
  background-color: var(--color-accent);
}

#pdfFrame {
  width: 100%;
  height: 100%;
  border: none;
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 1024px) {
  .catalogues-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  header {
    padding: 16px 20px;
  }
  .nav-links {
    display: none;
  }
  .nav-menu {
    display: block;
  }
  .catalogue-hero {
    height: 40vh;
  }
  .hero-content {
    padding: 30px 20px;
  }
  .catalogues-section {
    padding: 60px 20px;
  }
  .catalogues-grid {
    grid-template-columns: 1fr;
  }
  .cta-strip {
    padding: 60px 20px;
  }
  footer {
    padding: 20px 20px 80px 20px;
  }
}