/* ============================================
   WARM INTERIOR MAGAZINE - GLOBAL STYLES
   ============================================ */

:root {
  /* Primary Dark Warm Palette */
  --color-darkest: #120d0b;
  --color-dark-deep: #1c1411;
  --color-dark-rich: #241814;
  --color-brown-dark: #3a241b;
  --color-brown-medium: #6c412c;
  --color-terracotta: #a5653f;
  --color-amber: #c8874c;
  --color-amber-light: #d9a56a;
  --color-sand: #e7c39a;
  --color-warm-beige: #f0dfc7;
  
  /* Functional Colors */
  --color-text: #f0dfc7;
  --color-text-dark: #3a241b;
  --color-text-muted: #d9a56a;
  --color-bg-dark: #1c1411;
  --color-bg-lighter: #241814;
  --color-accent: #c8874c;
  --color-accent-light: #d9a56a;
  
  /* Spacing */
  --spacing-unit: 1rem;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Typography */
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-sans: 'Arial', 'Helvetica', sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* Transitions */
  --transition-fast: 200ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-smooth: 500ms ease-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg-dark);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h1 {
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

h5, h6 {
  font-size: 1rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
  font-size: 1rem;
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  background: transparent;
  transition: all var(--transition-base);
}

header.sticky {
  background-color: rgba(28, 20, 17, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(200, 135, 76, 0.1);
  padding: var(--spacing-sm) 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--color-accent-light);
}

.nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
  list-style: none;
}

.nav-item a {
  color: var(--color-text);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

.nav-item a:hover::after {
  width: 100%;
}

.search-icon, .menu-toggle {
  cursor: pointer;
  color: var(--color-accent);
  font-size: 1.2rem;
  transition: color var(--transition-fast);
  display: none;
  background: none;
  border: none;
}

.search-icon:hover, .menu-toggle:hover {
  color: var(--color-accent-light);
}

/* ============================================
   MOBILE MENU
   ============================================ */

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100vh;
  background: var(--color-bg-dark);
  padding: 5rem var(--spacing-lg) var(--spacing-xl);
  z-index: 999;
  transition: left var(--transition-base);
  overflow-y: auto;
}

.mobile-menu.active {
  left: 0;
}

.mobile-menu .nav {
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.mobile-menu .nav-item a {
  font-size: 1.25rem;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: #0f0a08;
  color: var(--color-text);
  padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
  border-top: 1px solid rgba(200, 135, 76, 0.15);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-md);
}

.footer-description {
  font-size: 0.95rem;
  color: var(--color-sand);
  line-height: 1.6;
}

.footer-section h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent-light);
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: var(--spacing-sm);
}

.footer-link a {
  color: var(--color-sand);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

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

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, rgba(200, 135, 76, 0), rgba(200, 135, 76, 0.3), rgba(200, 135, 76, 0));
  margin-bottom: var(--spacing-xl);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(200, 135, 76, 0.1);
  font-size: 0.9rem;
}

.footer-copyright {
  color: var(--color-sand);
}

.footer-socials {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

/* ============================================
   HERO SECTIONS
   ============================================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  overflow: hidden;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: 80px;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(18, 13, 11, 0.5) 0%, rgba(28, 20, 17, 0.6) 50%, rgba(58, 36, 27, 0.7) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 700px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.hero-title {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-sand);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

/* ============================================
   BUTTONS & INTERACTIVE
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-accent);
  color: var(--color-text-dark);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  display: inline-block;
  position: relative;
  overflow: hidden;
}

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

.btn-secondary:hover {
  background-color: var(--color-accent-light);
  color: var(--color-text-dark);
}

/* ============================================
   SECTIONS & CONTAINERS
   ============================================ */

section {
  position: relative;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text);
}

.section-warm {
  background-color: var(--color-warm-beige);
  color: var(--color-text-dark);
}

.section-warm h1, .section-warm h2, .section-warm h3, .section-warm h4, .section-warm h5, .section-warm h6 {
  color: var(--color-text-dark);
}

.section-warm p {
  color: var(--color-brown-dark);
}

.section-warm a {
  color: var(--color-terracotta);
}

.section-warm a:hover {
  color: var(--color-brown-medium);
}

/* ============================================
   TYPOGRAPHY SECTIONS
   ============================================ */

.intro-text {
  font-size: 1.2rem;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

.text-center {
  text-align: center;
}

.text-accent {
  color: var(--color-accent);
}

/* ============================================
   CARDS & GRIDS
   ============================================ */

.card {
  background-color: var(--color-bg-lighter);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid rgba(200, 135, 76, 0.1);
}

.card:hover {
  transform: translateY(-5px);
  border-color: rgba(200, 135, 76, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
}

.card-content {
  padding: var(--spacing-lg);
}

.card-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.card-text {
  font-size: 0.95rem;
  color: var(--color-sand);
  margin-bottom: var(--spacing-md);
}

.card-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  gap: var(--spacing-lg);
}

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

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

/* ============================================
   SPLIT LAYOUT
   ============================================ */

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.split-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   FEATURED ARTICLE
   ============================================ */

.featured-article {
  background-color: var(--color-bg-lighter);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  border: 1px solid rgba(200, 135, 76, 0.1);
}

.featured-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.featured-content {
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.featured-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.featured-description {
  color: var(--color-sand);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.featured-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-lg);
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section-warm .form-label {
  color: var(--color-text-dark);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid rgba(200, 135, 76, 0.2);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-text-dark);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.section-warm .form-input,
.section-warm .form-textarea {
  background-color: rgba(255, 255, 255, 0.5);
  color: var(--color-text-dark);
  border-color: rgba(58, 36, 27, 0.2);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200, 135, 76, 0.1);
}

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

/* ============================================
   BREADCRUMB
   ============================================ */

.breadcrumb {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  font-size: 0.9rem;
}

.breadcrumb-item {
  color: var(--color-sand);
}

.breadcrumb-item::after {
  content: ' / ';
  margin-left: var(--spacing-sm);
  color: var(--color-accent);
}

.breadcrumb-item:last-child::after {
  content: '';
}

.breadcrumb-item.active {
  color: var(--color-accent-light);
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */

.article-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.article-title {
  font-size: 2.75rem;
  margin-bottom: var(--spacing-lg);
}

.article-subtitle {
  font-size: 1.25rem;
  color: var(--color-sand);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.article-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.article-body {
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
  line-height: 1.8;
}

.article-body h2 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}

.article-body ul,
.article-body ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
  line-height: 1.7;
}

.article-image {
  width: 100%;
  margin: var(--spacing-2xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: auto;
  display: block;
}

.article-image-caption {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* ============================================
   DECORATIVE DIVIDERS
   ============================================ */

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 135, 76, 0.3), transparent);
  margin: var(--spacing-2xl) 0;
}

.divider-accent {
  height: 2px;
  background: var(--color-accent);
  max-width: 60px;
  margin: var(--spacing-lg) 0;
}

/* ============================================
   SCROLL TO TOP BUTTON
   ============================================ */

.scroll-to-top {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 50px;
  height: 50px;
  background-color: var(--color-accent);
  color: var(--color-text-dark);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.25rem;
  display: none;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
  z-index: 500;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.scroll-to-top:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

.scroll-to-top.show {
  display: flex;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  body {
    font-size: 15px;
  }

  section {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .hero {
    min-height: 60vh;
    margin-top: 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .nav {
    display: none;
  }

  .menu-toggle,
  .search-icon {
    display: block;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .split-layout {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .featured-article {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-lg);
    align-items: flex-start;
  }

  .featured-content {
    padding: var(--spacing-lg);
  }

  .article-title {
    font-size: 1.75rem;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-2xl: 2.5rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }

  .hero {
    min-height: 50vh;
    margin-top: 50px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .card-image {
    height: 200px;
  }

  .featured-image {
    height: 250px;
  }
}