/* Complete rewrite for Bauhaus design system with modular grid and geometric elements */

:root {
  --paper-white: #f5f5f0;
  --carbon-black: #0a0b0c;
  --bauhaus-red: #e53935;
  --bauhaus-yellow: #f6c90e;
  --bauhaus-blue: #1976d2;
  --grid-unit: 8px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--carbon-black);
  background-color: var(--paper-white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

p {
  line-height: 1.6;
}

.header-rail {
  transition: height 0.3s ease;
}

.nav-tab {
  transition: all 0.2s ease;
}

.nav-tab:hover {
  transform: translateY(-1px);
}

.geometric-marker {
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(5deg);
  }
}

.hero-image-frame {
  position: relative;
}

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

.checkerboard-border::before {
  content: "";
  position: absolute;
  inset: 4px;
  background-image: repeating-linear-gradient(
      0deg,
      var(--carbon-black),
      var(--carbon-black) 1px,
      transparent 1px,
      transparent 8px
    ), repeating-linear-gradient(90deg, var(--carbon-black), var(--carbon-black) 1px, transparent 1px, transparent 8px);
  opacity: 0.1;
  pointer-events: none;
}

.theory-panel {
  position: relative;
}

.label-strip {
  margin-bottom: calc(var(--grid-unit) * 3);
}

.case-metric-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-metric-card:hover {
  box-shadow: inset 0 0 0 2px var(--bauhaus-blue);
}

.name-block {
  transition: transform 0.3s ease;
}

.name-block:hover {
  transform: translateY(-2px);
}

.form-panel input,
.form-panel textarea {
  transition: border-color 0.2s ease;
}

.form-panel input:focus,
.form-panel textarea:focus {
  box-shadow: 0 0 0 1px var(--bauhaus-red);
}

.bottom-bar a {
  transition: all 0.2s ease;
}

.bottom-bar a:hover {
  transform: translateX(2px);
}

.cookie-popup {
  box-shadow: 0 -4px 12px rgba(10, 11, 12, 0.15);
}

::selection {
  background-color: var(--bauhaus-red);
  color: white;
}

::-moz-selection {
  background-color: var(--bauhaus-red);
  color: white;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--paper-white);
}

::-webkit-scrollbar-thumb {
  background: var(--carbon-black);
  border: 1px solid var(--paper-white);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--bauhaus-red);
}

a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--bauhaus-red);
  outline-offset: 2px;
}

@media (max-width: 768px) {
  .hero-poster h2 {
    font-size: 2rem;
  }

  .theory-panel {
    padding: 1.5rem;
  }

  .name-block {
    margin-bottom: 1.5rem;
  }
}

@media (min-width: 1025px) {
  .case-metric-card:hover {
    transform: translateY(-2px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .header-rail,
  .bottom-bar,
  .cookie-popup,
  #burgerBtn {
    display: none;
  }
}