/* GDPR-compliant self-hosted styles - Thomas Kräuter Website */

:root {
  --primary: #000f22;
  --secondary: #006a60;
  --surface: #faf9f6;
  --on-surface: #1a1c1a;
  --surface-tint: #49607e;
  --outline: #74777e;
  --outline-variant: #c4c6ce;
}

/* Material Symbols Outlined - Self-hosted */
@font-face {
  font-family: 'Material Symbols Outlined';
  font-style: normal;
  font-weight: 400;
  src: url('/fonts/material-symbols-outlined.woff2') format('woff2');
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  background-color: var(--surface);
  color: var(--on-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-weight: 600;
  line-height: 1.1;
  color: var(--primary);
}

.section-header {
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--surface-tint);
}

.tech-grid {
  background-image: radial-gradient(circle at 2px 2px, rgba(10, 37, 64, 0.05) 1px, transparent 0);
  background-size: 32px 32px;
}

.ambient-shadow {
  box-shadow: 0 10px 30px rgba(10, 37, 64, 0.04);
}

/* Navigation */
nav {
  background-color: rgba(250, 249, 246, 0.8);
  backdrop-filter: blur(12px);
}

/* Buttons */
.btn-primary {
  background-color: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background-color 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-secondary {
  background-color: white;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--outline-variant);
  transition: background-color 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-secondary:hover {
  background-color: #f4f3f1;
}

/* Cards */
.card {
  background-color: white;
  border-radius: 0.125rem;
  padding: 2.5rem;
  box-shadow: 0 10px 30px rgba(10, 37, 64, 0.04);
  transition: border-color 0.3s ease;
}

.card:hover {
  border-color: rgba(0, 106, 96, 0.3);
}

/* Expertise items */
.expertise-item {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid rgba(196, 198, 206, 0.3);
  transition: background-color 0.3s ease;
}

.expertise-item:hover {
  background-color: #f4f3f1;
}

/* Form */
input, textarea, select {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(196, 198, 206, 0.5);
  padding: 0.5rem 0;
  font-size: 1rem;
  color: var(--on-surface);
  width: 100%;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-bottom-color: var(--secondary);
}

/* Footer */
footer {
  background-color: #f4f3f1;
  border-top: 1px solid rgba(196, 198, 206, 0.2);
}