/* Pluvine - Museum-Inspired Design System */

:root {
  --primary: #1E3A8A;
  --secondary: #6B7280;
  --accent: #A7C7E7;
  --light: #D1D5DB;
  --white: #FFFFFF;
  --text-dark: #1F2937;
  --text-light: #6B7280;
  --spacing-base: 8px;
  --container-max: 1280px;
  --section-padding-desktop: 100px;
  --section-padding-mobile: 40px;
  --radius: 4px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Georgia', 'Garamond', serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

/* Typography */
h1 {
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: calc(var(--spacing-base) * 4);
  color: var(--primary);
  letter-spacing: -1px;
}

h2 {
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 2.5rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: calc(var(--spacing-base) * 3);
  color: var(--primary);
}

h3 {
  font-family: 'Segoe UI', 'Helvetica Neue', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-base) * 2);
  color: var(--text-dark);
}

p {
  margin-bottom: calc(var(--spacing-base) * 2);
  line-height: 1.8;
  color: var(--text-dark);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

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

/* Container & Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-base) * 3);
}

.section {
  padding: var(--section-padding-desktop) 0;
  border-bottom: 1px solid var(--light);
}

.section:last-child {
  border-bottom: none;
}

.section-full-width {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
}

.section-light {
  background-color: var(--light);
}

.section-primary {
  background-color: var(--primary);
  color: var(--white);
}

.section-primary h1,
.section-primary h2,
.section-primary h3 {
  color: var(--white);
}

.section-primary p {
  color: rgba(255, 255, 255, 0.95);
}

/* Grid & Flexbox */
.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-base) * 6);
  align-items: center;
  margin-bottom: calc(var(--spacing-base) * 4);
}

.row.reverse {
  grid-template-columns: 1fr 1fr;
  direction: rtl;
}

.row.reverse > * {
  direction: ltr;
}

.col-full {
  grid-column: 1 / -1;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--spacing-base) * 10) 0;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  z-index: -1;
}

.hero h1 {
  color: var(--white);
  text-align: center;
  max-width: 900px;
  z-index: 1;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-base) * 4);
  margin-top: calc(var(--spacing-base) * 4);
}

.card {
  background: var(--white);
  border: 1px solid var(--light);
  padding: calc(var(--spacing-base) * 3);
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
  background-color: var(--light);
}

.card h3 {
  margin-top: 0;
  color: var(--primary);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius);
}

.image-container {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

/* Lists */
ul, ol {
  margin: calc(var(--spacing-base) * 2) 0 calc(var(--spacing-base) * 2) calc(var(--spacing-base) * 4);
}

li {
  margin-bottom: calc(var(--spacing-base) * 1.5);
  line-height: 1.8;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 3);
  background-color: var(--primary);
  color: var(--white);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  font-family: 'Segoe UI', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

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

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

/* Header & Navigation */
header {
  background: var(--white);
  border-bottom: 1px solid var(--light);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-base) * 2) 0;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: calc(var(--spacing-base) * 3);
  padding-right: calc(var(--spacing-base) * 3);
}

.logo {
  font-family: 'Segoe UI', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: calc(var(--spacing-base) * 1.5);
}

.logo img {
  width: 40px;
  height: 40px;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  gap: calc(var(--spacing-base) * 3);
}

nav a {
  font-family: 'Segoe UI', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dark);
  transition: var(--transition);
  position: relative;
  padding-bottom: calc(var(--spacing-base) * 0.5);
}

nav a:hover,
nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--accent);
}

/* Footer */
footer {
  background-color: var(--primary);
  color: var(--white);
  padding: calc(var(--spacing-base) * 8) 0 calc(var(--spacing-base) * 4);
  margin-top: calc(var(--spacing-base) * 8);
}

footer .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-base) * 4);
  margin-bottom: calc(var(--spacing-base) * 4);
}

footer h3 {
  color: var(--white);
}

footer p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: calc(var(--spacing-base) * 1.5);
}

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

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

.footer-bottom {
  text-align: center;
  padding-top: calc(var(--spacing-base) * 3);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* Quote Section */
.quote-section {
  background-color: var(--light);
  padding: calc(var(--spacing-base) * 6);
  border-left: 4px solid var(--primary);
  margin: calc(var(--spacing-base) * 4) 0;
  font-style: italic;
  color: var(--text-dark);
}

.quote-section p {
  font-size: 1.2rem;
  margin-bottom: 0;
}

/* Disclaimer Box */
.disclaimer {
  background-color: #FEF3C7;
  border-left: 4px solid #F59E0B;
  padding: calc(var(--spacing-base) * 3);
  margin: calc(var(--spacing-base) * 4) 0;
  border-radius: var(--radius);
  font-size: 0.95rem;
  color: #92400E;
}

.disclaimer h3 {
  color: #92400E;
  margin-top: 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: calc(var(--spacing-base) * 3) 0;
}

th {
  background-color: var(--primary);
  color: var(--white);
  padding: calc(var(--spacing-base) * 2);
  text-align: left;
  font-family: 'Segoe UI', sans-serif;
  font-weight: 600;
}

td {
  border-bottom: 1px solid var(--light);
  padding: calc(var(--spacing-base) * 2);
}

tr:hover {
  background-color: var(--light);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  .section {
    padding: var(--section-padding-mobile) 0;
  }

  .row {
    grid-template-columns: 1fr;
    gap: calc(var(--spacing-base) * 4);
  }

  .row.reverse {
    direction: ltr;
  }

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

  nav ul {
    gap: calc(var(--spacing-base) * 2);
  }

  nav a {
    font-size: 0.9rem;
  }

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

  .hero {
    min-height: 400px;
    padding: calc(var(--spacing-base) * 6) 0;
  }

  .hero h1 {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.4rem;
  }

  .container {
    padding: 0 calc(var(--spacing-base) * 2);
  }

  .header-content {
    padding: calc(var(--spacing-base) * 1.5) calc(var(--spacing-base) * 2);
  }

  nav ul {
    flex-direction: column;
    gap: calc(var(--spacing-base) * 1.5);
  }

  .section {
    padding: calc(var(--spacing-base) * 5) 0;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-balance {
  text-wrap: balance;
}

.mt-4 {
  margin-top: calc(var(--spacing-base) * 4);
}

.mb-4 {
  margin-bottom: calc(var(--spacing-base) * 4);
}

.py-4 {
  padding-top: calc(var(--spacing-base) * 4);
  padding-bottom: calc(var(--spacing-base) * 4);
}

.max-w-2xl {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.opacity-75 {
  opacity: 0.75;
}