/* Strichmaennchen3D Info Website - Hand-drawn Paper Aesthetic */

:root {
  /* Paper colors (matching app) */
  --paper: #f4efe6;
  --paper-deep: #ebe4d6;
  --paper-edge: #d9d0bd;
  
  /* Ink colors (matching app) */
  --ink: #1d1a16;
  --ink-soft: #2a2620;
  --graphite: #4a4238;
  --pencil: #6b6052;
  --muted: #9c9183;
  
  /* Accent color (matching app) */
  --accent: #a23f1f;
  --accent-soft: #c5825e;
  
  /* Panel colors */
  --panel: #fbf7ee;
  --panel-2: #f0e9db;
  --rule: #c9bfaa;
  --rule-soft: #ded3bd;
  
  /* Other colors */
  --ok: #3a6b3a;
  --warn: #8a6a20;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

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

body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 13px;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Hand-drawn paper texture effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(rgba(60, 50, 35, 0.025) 1px, transparent 1px),
    radial-gradient(rgba(60, 50, 35, 0.018) 1px, transparent 1px);
  background-size: 3px 3px, 7px 7px;
  background-position: 0 0, 1px 2px;
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: multiply;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header/Navigation */
.header {
  position: sticky;
  top: 0;
  background: var(--panel);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
  z-index: 100;
  padding: var(--spacing-sm) 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-family: 'Bring Me Stick', 'Instrument Serif', serif;
  font-size: 18px;
  font-weight: 400;
  text-decoration: none;
  display: inline-flex;
  letter-spacing: -0.01em;
}

.nav-brand span {
  color: var(--accent);
}

.nav-brand em {
  color: var(--ink);
  font-style: italic;
  margin: 0 2px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--pencil);
  font-weight: 500;
  transition: color var(--transition-fast);
  position: relative;
}

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

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--ink);
  transition: width var(--transition-fast);
}

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

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  font-family: 'Bring Me Stick', 'Instrument Serif', serif;
}

.hero-title span {
  color: var(--accent);
}

.hero-title em {
  color: var(--ink);
  font-style: italic;
  margin: 0 2px;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  color: var(--ink-soft);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-xl);
}

.btn {
  display: inline-block;
  padding: 7px 12px;
  background: var(--panel);
  border: 1px solid var(--rule);
  text-decoration: none;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: all var(--transition-fast);
  cursor: pointer;
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(29, 26, 22, 0.04), 0 6px 18px -8px rgba(29, 26, 22, 0.12);
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

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

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

/* Features Section */
.features {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  position: relative;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pencil);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 1px;
  background: var(--pencil);
  margin: var(--spacing-sm) auto 0;
}

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

.feature-card {
  background: var(--panel-2);
  border: 1px solid var(--rule);
  padding: var(--spacing-md);
  transition: all var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  background: var(--panel);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.feature-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--ink);
}

.feature-description {
  color: var(--pencil);
  font-size: 0.9rem;
}

/* Demo Section */
.demo {
  padding: var(--spacing-xl) 0;
  background: var(--paper-deep);
  text-align: center;
}

.demo-frame {
  width: 100%;
  max-width: 800px;
  height: 500px;
  border: 1px solid var(--rule);
  margin: 0 auto;
  background: var(--panel);
  position: relative;
  overflow: hidden;
}

.demo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: var(--spacing-sm);
}

.demo-placeholder p {
  color: var(--pencil);
  font-size: 1.1rem;
}

/* Documentation Section */
.docs {
  padding: var(--spacing-xl) 0;
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.doc-card {
  background: var(--panel-2);
  border: 1px solid var(--rule);
  padding: var(--spacing-md);
}

.doc-card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--accent);
}

.doc-list {
  list-style: none;
}

.doc-list li {
  margin-bottom: var(--spacing-xs);
}

.doc-list a {
  text-decoration: none;
  color: var(--pencil);
  transition: color var(--transition-fast);
}

.doc-list a:hover {
  color: var(--ink);
}

/* Portfolio Section */
.portfolio {
  padding: var(--spacing-xl) 0;
  background: var(--paper-deep);
}

.creator-card {
  background: var(--panel-2);
  border: 1px solid var(--rule);
  padding: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.creator-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: var(--paper);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.creator-info h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--ink);
  font-weight: 500;
}

.creator-info p {
  margin-bottom: var(--spacing-sm);
  color: var(--pencil);
  line-height: 1.5;
}

/* Social/Donate Buttons */
.footer-socials {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.coffee-social-btn, .kofi-social-btn, .paypal-social-btn {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--pencil);
  transition: all .15s ease;
  text-decoration: none;
}

.coffee-social-btn:hover {
  color: #FFDD00;
  border-color: #FFDD00;
  background: var(--paper);
  transform: translateY(-1px);
}
.kofi-social-btn:hover {
  color: #FF5E5B;
  border-color: #FF5E5B;
  background: var(--paper);
  transform: translateY(-1px);
}
.paypal-social-btn:hover {
  color: #003087;
  border-color: #003087;
  background: var(--paper);
  transform: translateY(-1px);
}

.coffee-social-btn svg, .kofi-social-btn svg {
  width: 18px;
  height: 18px;
}
.paypal-social-btn svg {
  width: 18px;
  height: 18px;
}

/* Footer */
.footer {
  background: var(--panel-2);
  color: var(--ink);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid var(--rule);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.footer-links a {
  color: var(--pencil);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  margin-top: var(--spacing-md);
  opacity: 0.6;
  font-size: 0.85rem;
  color: var(--pencil);
}

/* Modal for Demo */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  width: 90vw;
  max-width: 1000px;
  height: 80vh;
  background: var(--panel);
  border: 1px solid var(--rule);
}

.modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  width: 32px;
  height: 32px;
  font-size: 18px;
  cursor: pointer;
  z-index: 10;
  color: var(--pencil);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: var(--ink);
}

.modal-embed {
  width: 100%;
  height: 100%;
  border: none;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .hero {
    padding: var(--spacing-lg) 0;
  }
  
  .creator-card {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Hand-drawn decorations */
.hand-drawn-line {
  border-bottom: 1px solid var(--ink);
}

.sketchy-border {
  border: 1px solid var(--rule);
}

.portfolio-content {
  max-width: 800px;
  margin: 0 auto;
}

.portfolio h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--ink);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}