/*
 * Mönster av mening - Landing Page
 */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Inter:wght@400;500;600;700&display=swap');

/* ========================================
   CSS Variables
   ======================================== */

:root {
  /* Colors */
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-text-muted: #888;
  --color-background: #fdfcfa;
  --color-background-alt: #f5f3ef;
  --color-accent: #d56f66;
  --color-accent-light: #e8a29b;
  --color-accent-hover: #b85a52;
  --color-border: #e0dcd4;
  --color-white: #ffffff;

  /* Typography */
  --font-display: 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  /* Sizing */
  --content-width: 68rem;
  --content-width-narrow: 44rem;
  --line-height: 1.6;
  --line-height-display: 1.2;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --spacing-2xl: 6rem;

  /* Effects */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-background);
  margin: 0;
  padding: 0;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--line-height-display);
  color: var(--color-text);
  margin: 0;
}

p {
  margin: 0 0 1rem 0;
}

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

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

/* ========================================
   Containers
   ======================================== */

.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ========================================
   Navigation
   ======================================== */

.nav {
  position: sticky;
  top: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  padding: var(--spacing-sm) 0;
}

.nav-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
}

.nav a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color 0.2s ease;
}

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(
    to bottom,
    var(--color-white) 0%,
    var(--color-background) 100%
  );
}

.hero-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-cover img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.hero-content .subtitle {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.hero-content .lead {
  font-size: 1.15rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

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

/* ========================================
   Sections
   ======================================== */

.section {
  padding: var(--spacing-2xl) 0;
}

.section h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.section-intro {
  font-size: 1.15rem;
  color: var(--color-text-light);
  text-align: center;
  margin: 0 auto var(--spacing-xl);
  max-width: var(--content-width-narrow);
}

/* Alternating section backgrounds */
.section:nth-child(even) {
  background-color: var(--color-background-alt);
}

/* ========================================
   About Section
   ======================================== */

.about-content {
  max-width: var(--content-width-narrow);
  margin: 0 auto;
}

.about-content .intro {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: var(--spacing-md);
}

.concept-examples {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.concept-examples h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.example-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-md);
}

.example-concept {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-accent);
  flex: 1;
}

.example-arrow {
  color: var(--color-text-muted);
  font-weight: 300;
}

.example-human {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-text);
  flex: 1;
}

/* ========================================
   Download Section
   ======================================== */

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

.download-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-md);
  max-width: 56rem;
  margin: 0 auto;
}

.download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  cursor: pointer;
}

.download-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.download-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  filter: grayscale(100%);
  opacity: 0.7;
  transition: all 0.3s ease;
}

.download-card:hover .download-icon {
  filter: grayscale(0%);
  opacity: 1;
}

.download-format {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.download-description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  text-align: center;
}

/* ========================================
   Project Section
   ======================================== */

.project-content {
  max-width: var(--content-width-narrow);
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-xl);
}

.project-info h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.project-info p {
  font-size: 1.05rem;
  line-height: 1.7;
}

.project-info ul {
  margin: var(--spacing-sm) 0;
  padding-left: 1.5rem;
}

.project-info li {
  margin-bottom: var(--spacing-xs);
}

/* ========================================
   Footer
   ======================================== */

.footer {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-background-alt);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.footer-credits {
  font-style: italic;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }

  .hero-cover {
    display: flex;
    justify-content: center;
  }

  .hero-cover img {
    max-width: 300px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content .subtitle {
    font-size: 1.25rem;
  }

  .hero-actions {
    justify-content: center;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  :root {
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
  }

  .nav-container {
    gap: var(--spacing-md);
  }

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

  .hero-content .subtitle {
    font-size: 1.1rem;
  }

  .section h2 {
    font-size: 2rem;
  }

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

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

  .btn {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }
}