/* Zen Minimalist CSS Theme */
:root {
  /* Color Palette */
  --color-primary: #5D4037;
  --color-secondary: #8D6E63;
  --color-neutral-light: #EFEBE9;
  --color-neutral-dark: #3E2723;
  --color-body-bg: #FFFFFF;
  --color-text: #3E2723;
  --color-link: #5D4037;
  --color-link-hover: #3E2723;

  /* Typography */
  --font-primary: 'Roboto', sans-serif;
  --font-secondary: 'Playfair Display', serif;
  --text-base-size: 1rem;
  --text-scale-ratio: 1.25;

  /* Spacing */
  --space-unit: 1rem;
  --space-xs: calc(0.25 * var(--space-unit));
  --space-sm: calc(0.5 * var(--space-unit));
  --space-md: calc(1 * var(--space-unit));
  --space-lg: calc(2 * var(--space-unit));
  --space-xl: calc(3.25 * var(--space-unit));

  /* Borders */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-width: 1px;
  --border-style: solid;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
  --shadow-subtle: 0 1px 2px rgba(61, 47, 38, 0.1);

  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-slow: all 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--color-text);
  background-color: var(--color-body-bg);
  line-height: 1.6;
  font-size: var(--text-base-size);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-sm);
  color: var(--color-neutral-dark);
}

h1 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 2.5); }
h2 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 2); }
h3 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.75); }
h4 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.5); }
h5 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.25); }
h6 { font-size: var(--text-base-size); }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: var(--transition-base);
  position: relative;
}

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

a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-link-hover);
  transition: var(--transition-base);
}

a:hover::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-primary);
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-base);
  cursor: pointer;
  border: var(--border-width) var(--border-style) transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-neutral-light);
}

.btn-primary:hover {
  background-color: var(--color-neutral-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-neutral-light);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-neutral-light);
}

/* Cards */
.card {
  background-color: var(--color-body-bg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: var(--transition-base);
  border: 1px solid var(--color-neutral-light);
}

.card:hover {
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
  transform: translateY(-5px);
}

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

.card-body {
  padding: var(--space-md);
}

/* Navigation */
.header {
  background-color: var(--color-body-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-subtle);
  padding: var(--space-sm) 0;
}

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

.nav-logo img {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-item {
  margin-left: var(--space-lg);
}

.nav-link {
  color: var(--color-text);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.nav-link:hover {
  color: var(--color-primary);
}

/* Footer */
.footer {
  background-color: var(--color-neutral-light);
  padding: var(--space-xl) 0 var(--space-md);
  color: var(--color-text);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.footer-logo {
  margin-bottom: var(--space-lg);
}

.footer-logo img {
  height: 40px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-links h4 {
  margin-bottom: var(--space-md);
  font-family: var(--font-primary);
  font-weight: 700;
}

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

.footer-links li {
  margin-bottom: var(--space-xs);
}

.footer-links a {
  color: var(--color-text);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: var(--space-md);
}

.social-links img {
  width: 24px;
  height: 24px;
  opacity: 0.7;
  transition: var(--transition-base);
}

.social-links img:hover {
  opacity: 1;
}

.copyright {
  text-align: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(61, 47, 38, 0.1);
  font-size: 0.85rem;
}

/* Slider */
.slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
}

.slider-track {
  display: flex;
  transition: var(--transition-slow);
}

.slide {
  min-width: 100%;
  position: relative;
}

.slide-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
}

/* Accordion */
.accordion {
  border: 1px solid var(--color-neutral-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

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

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  background-color: var(--color-neutral-light);
  padding: var(--space-md);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-base);
}

.accordion-header:hover {
  background-color: rgba(142, 110, 99, 0.1);
}

.accordion-content {
  padding: 0 var(--space-md);
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-slow);
}

.accordion-content.active {
  padding: var(--space-md);
  max-height: 1000px;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-neutral-light);
  margin-bottom: var(--space-md);
}

.tab {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  position: relative;
  margin-right: var(--space-sm);
}

.tab:after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-base);
}

.tab.active:after {
  width: 100%;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--color-neutral-light);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-primary);
  transition: var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(93, 64, 55, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --text-base-size: 0.9375rem;
    --space-unit: 0.875rem;
  }

  .nav-container {
    flex-direction: column;
  }

  .nav-menu {
    margin-top: var(--space-md);
  }

  .nav-item {
    margin-left: var(--space-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  :root {
    --text-base-size: 0.875rem;
  }

  h1 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 2); }
  h2 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.75); }
  h3 { font-size: calc(var(--text-base-size) * var(--text-scale-ratio) * 1.5); }

  .nav-menu {
    flex-direction: column;
    align-items: center;
  }

  .nav-item {
    margin: var(--space-xs) 0;
  }
}

/* Zen-inspired decorative elements */
.decorative-line {
  height: 1px;
  background-color: var(--color-neutral-light);
  margin: var(--space-xl) 0;
  position: relative;
}

.decorative-line:after {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background-color: var(--color-primary);
}

/* Subtle animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.8s ease forwards;
}