/* 
  vaultiqgrd - The Modern Home Journal
  Architectural UI System 
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

:root {
  /* Architectural Colour System */
  --charcoal: #202321;
  --ivory: #F4F0E8;
  --terracotta: #B65C45;
  --sage: #899286;
  --concrete: #B9B6AE;
  --brass: #A98A5A;

  /* Typography */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', sans-serif;

  /* Layout */
  --max-width: 1440px;
  --grid-gap: 2rem;
  --section-pad: 6rem 5%;
  
  /* Transitions */
  --trans-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--ivory);
  color: var(--charcoal);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--trans-smooth);
}

ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.2;
}

.text-sans { font-family: var(--font-sans); }
.text-serif { font-family: var(--font-serif); }

/* Buttons & Links */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--charcoal);
  color: var(--ivory);
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--charcoal);
  cursor: pointer;
  transition: var(--trans-smooth);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--charcoal);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  color: var(--charcoal);
  padding: 1rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--concrete);
  cursor: pointer;
  transition: var(--trans-smooth);
}

.btn-outline:hover {
  border-color: var(--charcoal);
  background-color: var(--charcoal);
  color: var(--ivory);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  gap: 0.5rem;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  color: var(--charcoal);
}

.link-arrow::after {
  content: '→';
  transition: transform 0.3s ease;
}

.link-arrow:hover {
  border-bottom-color: var(--charcoal);
}

.link-arrow:hover::after {
  transform: translateX(5px);
}

/* Layout Utilities */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--grid-gap);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--concrete);
  padding-bottom: 1rem;
}

/* Header System */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(244, 240, 232, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--concrete);
}

.header-top-strip {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 5%;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--concrete);
  color: var(--sage);
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
}

.brand-area {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
}

.brand-descriptor {
  font-size: 0.75rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sage);
  margin-top: 0.25rem;
}

.header-actions {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  color: var(--charcoal);
}

.menu-lines {
  width: 30px;
  height: 1px;
  background-color: var(--charcoal);
  transition: var(--trans-smooth);
}

/* Full Screen Navigation Panel */
.nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: var(--charcoal);
  color: var(--ivory);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateY(-100%);
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1);
  overflow-y: auto;
}

.nav-panel.open {
  transform: translateY(0);
}

.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 5%;
  border-bottom: 1px solid rgba(244, 240, 232, 0.1);
}

.close-btn {
  background: none;
  border: none;
  color: var(--ivory);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

.nav-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  padding: 4rem 5%;
}

.main-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.main-nav-list a {
  font-family: var(--font-serif);
  font-size: 3rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.main-nav-list a:hover {
  color: var(--brass);
  padding-left: 1rem;
}

.sec-nav-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.sec-nav-list a {
  font-family: var(--font-sans);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--concrete);
}

.sec-nav-list a:hover {
  color: var(--ivory);
}

/* Asymmetrical Hero */
.hero-section {
  padding: 4rem 5%;
  display: grid;
  grid-template-columns: 4fr 6fr;
  gap: 4rem;
  align-items: center;
  min-height: 80vh;
  border-bottom: 1px solid var(--concrete);
}

.hero-content {
  padding-right: 2rem;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--terracotta);
  margin-bottom: 2rem;
  display: block;
}

.hero-title {
  font-size: 4.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--sage);
  margin-bottom: 2.5rem;
  max-width: 90%;
}

.hero-image-wrapper {
  position: relative;
  height: 100%;
  min-height: 600px;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 1px solid var(--concrete);
}

.hero-meta {
  position: absolute;
  bottom: -2rem;
  right: 0;
  background: var(--ivory);
  padding: 1rem 0 0 2rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal);
  border-top: 1px solid var(--concrete);
  border-left: 1px solid var(--concrete);
}

/* Featured Story */
.featured-story {
  padding: var(--section-pad);
  background-color: var(--charcoal);
  color: var(--ivory);
  border-bottom: 1px solid var(--concrete);
}

.featured-grid {
  display: grid;
  grid-template-columns: 6fr 4fr;
  gap: 4rem;
  align-items: center;
}

.featured-image {
  height: 600px;
  width: 100%;
  object-fit: cover;
}

.featured-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--concrete);
  margin-bottom: 1.5rem;
  display: block;
  border-bottom: 1px solid rgba(244, 240, 232, 0.2);
  padding-bottom: 1rem;
}

.featured-title {
  font-size: 3.5rem;
  margin-bottom: 2rem;
  line-height: 1.1;
}

.featured-desc {
  color: var(--concrete);
  margin-bottom: 2.5rem;
  font-size: 1.125rem;
}

.btn-light {
  background-color: var(--ivory);
  color: var(--charcoal);
  border-color: var(--ivory);
}

.btn-light:hover {
  background-color: transparent;
  color: var(--ivory);
  border-color: var(--ivory);
}

/* Editorial Index */
.editorial-index {
  padding: var(--section-pad);
  border-bottom: 1px solid var(--concrete);
}

.index-row {
  display: grid;
  grid-template-columns: 2.5fr 3.5fr 3fr 1fr 1.5fr;
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid var(--concrete);
  align-items: start;
  transition: background-color 0.3s ease;
}

.index-row:last-child {
  border-bottom: 1px solid var(--concrete);
}

.index-row:hover {
  background-color: rgba(185, 182, 174, 0.1);
}

.idx-meta {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sage);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.idx-number {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--brass);
  font-weight: 400;
  line-height: 1;
}

.idx-title {
  font-size: 1.5rem;
  font-family: var(--font-serif);
}

.idx-desc {
  font-size: 0.875rem;
  color: var(--sage);
}

.idx-time {
  font-size: 0.75rem;
  color: var(--sage);
  text-align: right;
  padding-top: 0.25rem;
}

.idx-link {
  text-align: right;
  padding-top: 0.25rem;
}

/* Material Library (Interactive Tabs) */
.material-library {
  padding: var(--section-pad);
  background-color: #EBE7DF;
  border-bottom: 1px solid var(--concrete);
}

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 4rem;
  border-bottom: 1px solid var(--concrete);
}

.tab-btn {
  background: none;
  border: none;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--sage);
  padding-bottom: 1rem;
  cursor: pointer;
  position: relative;
  transition: color 0.3s ease;
}

.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--charcoal);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tab-btn.active {
  color: var(--charcoal);
}

.tab-btn.active::after {
  transform: scaleX(1);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.5s ease forwards;
}

.tab-pane.active {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.material-img {
  height: 500px;
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--concrete);
}

.material-info h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.material-info p {
  color: var(--sage);
  margin-bottom: 1.5rem;
}

.material-traits {
  list-style: none;
  margin-top: 2rem;
  border-top: 1px solid var(--concrete);
  padding-top: 2rem;
}

.material-traits li {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--concrete);
  font-size: 0.875rem;
}
.material-traits li span:first-child { font-weight: 600; }

/* Accordions (Guides & FAQ) */
.accordion-section {
  padding: var(--section-pad);
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  border-bottom: 1px solid var(--concrete);
}

.accordion-item:first-of-type {
  border-top: 1px solid var(--concrete);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  padding: 2rem 0;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--charcoal);
  cursor: pointer;
  text-align: left;
}

.accordion-icon {
  font-size: 2rem;
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--brass);
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-content {
  padding-bottom: 2rem;
  color: var(--sage);
}

/* Article Page System */
.article-header {
  padding: 6rem 5% 3rem;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.breadcrumb {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sage);
  margin-bottom: 2rem;
}

.article-title {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 2rem;
}

.article-intro {
  font-size: 1.25rem;
  color: var(--sage);
  max-width: 800px;
  margin: 0 auto;
}

.article-hero-img {
  width: 100%;
  height: 70vh;
  object-fit: cover;
  margin-bottom: 4rem;
  border-top: 1px solid var(--concrete);
  border-bottom: 1px solid var(--concrete);
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 5% 6rem;
}

.article-body p {
  margin-bottom: 1.5rem;
  font-size: 1.125rem;
  color: #333;
}

.article-body h2 {
  font-size: 2rem;
  margin: 3rem 0 1.5rem;
}

.article-body blockquote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  border-left: 2px solid var(--brass);
  padding-left: 2rem;
  margin: 3rem 0;
  color: var(--charcoal);
}

.article-inline-img {
  width: 100%;
  margin: 3rem 0;
  border: 1px solid var(--concrete);
}

/* Forms */
.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  color: var(--sage);
}

.form-input, .form-textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--concrete);
  padding: 1rem 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--charcoal);
  transition: border-color 0.3s ease;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-bottom-color: var(--brass);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
.site-footer {
  background-color: var(--charcoal);
  color: var(--ivory);
  padding: 6rem 5% 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 6rem;
  border-bottom: 1px solid rgba(244, 240, 232, 0.1);
  padding-bottom: 4rem;
}

.footer-brand h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.footer-brand p {
  color: var(--sage);
  max-width: 400px;
}

.footer-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sage);
  margin-bottom: 1.5rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a {
  color: var(--concrete);
  font-size: 0.875rem;
}

.footer-col a:hover {
  color: var(--brass);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--sage);
}

/* Cookie Consent */
.cookie-panel {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 350px;
  background-color: var(--ivory);
  border: 1px solid var(--concrete);
  padding: 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  z-index: 9999;
  transform: translateY(150%);
  transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cookie-panel.show {
  transform: translateY(0);
}

.cookie-text {
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  color: var(--charcoal);
}

.cookie-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  width: 100%;
}

/* Standard Page Layout (About, Contact, Legal) */
.page-header {
  padding: 6rem 5% 4rem;
  text-align: center;
  border-bottom: 1px solid var(--concrete);
  margin-bottom: 4rem;
}

.page-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--sage);
}

.content-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 5% 6rem;
}

.legal-content h2 {
  margin: 2rem 0 1rem;
  font-size: 1.5rem;
}
.legal-content p {
  margin-bottom: 1rem;
  color: var(--sage);
}
.legal-content ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  list-style: disc;
  color: var(--sage);
}

/* Category Grid (For Architecture, Interiors, etc. pages) */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem 2rem;
  padding: 0 5% 6rem;
}

.cat-card-img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  margin-bottom: 1.5rem;
  border: 1px solid var(--concrete);
}

.cat-card-title {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cat-card-desc {
  color: var(--sage);
  margin-bottom: 1.5rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-section {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2rem;
  }
  .hero-image-wrapper { min-height: 400px; }
  .featured-grid { grid-template-columns: 1fr; }
  .index-row {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.5rem 0;
  }
  .idx-time, .idx-link { text-align: left; padding-top: 0;}
  .nav-content { grid-template-columns: 1fr; gap: 3rem; }
  .footer-top { grid-template-columns: 1fr; gap: 3rem; }
  .footer-nav-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
  .tab-pane.active { grid-template-columns: 1fr; gap: 2rem; }
  .category-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-top-strip { display: none; }
  .hero-title { font-size: 3rem; }
  .featured-title { font-size: 2.5rem; }
  .article-title { font-size: 2.5rem; }
  .tab-nav { flex-direction: column; align-items: center; gap: 1rem; }
  .cookie-panel { width: calc(100% - 2rem); right: 1rem; bottom: 1rem; }
  .footer-nav-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .page-title { font-size: 2.5rem; }
}