:root {
  --hi-bg: #0a0a0a;
  --hi-fg: #ffffff;
  --hi-accent: #ff3e00;
  --hi-accent-soft: rgba(255, 62, 0, 0.1);
  --hi-muted: #888888;
  --hi-border: #222222;
  --hi-surface: #111111;
  
  --font-display: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Mono', monospace;
  
  --space-unit: 1rem;
  --radius: 0px; /* Brutalist sharp edges */
}

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

body {
  background-color: var(--hi-bg);
  color: var(--hi-fg);
  font-family: var(--font-display);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3 {
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  line-height: 0.9;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--hi-accent);
  letter-spacing: 0.2em;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  border-bottom: 1px solid var(--hi-border);
}

.hero-title {
  font-size: clamp(8rem, 25vw, 24rem);
  margin: 0;
  cursor: default;
  transition: color 0.3s ease;
}

.hero-title:hover {
  color: var(--hi-accent);
  -webkit-text-stroke: 2px var(--hi-accent);
  color: transparent;
}

.hero-sub {
  position: absolute;
  bottom: 4rem;
  right: 2rem;
  text-align: right;
  max-width: 300px;
}

/* Grid Components */
.grid-section {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1px;
  background-color: var(--hi-border);
  border-bottom: 1px solid var(--hi-border);
}

.grid-item {
  background-color: var(--hi-bg);
  padding: 4rem 2rem;
  grid-column: span 12;
}

@media (min-width: 768px) {
  .grid-item.span-6 { grid-column: span 6; }
  .grid-item.span-4 { grid-column: span 4; }
  .grid-item.span-8 { grid-column: span 8; }
}

/* UI Elements */
.btn-massive {
  display: inline-block;
  padding: 2rem 4rem;
  background: var(--hi-accent);
  color: white;
  text-decoration: none;
  font-weight: 900;
  font-size: 2rem;
  text-transform: uppercase;
  transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.btn-massive:hover {
  transform: scale(1.05) rotate(-2deg);
}

.placeholder-image {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: var(--hi-surface);
  border: 1px solid var(--hi-border);
  position: relative;
  overflow: hidden;
}

.placeholder-image::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(45deg, transparent 48%, var(--hi-border) 49%, var(--hi-border) 51%, transparent 52%);
  background-size: 20px 20px;
}

.footer {
  padding: 8rem 2rem;
  text-align: center;
  border-top: 1px solid var(--hi-border);
}

/* Animations */
@keyframes reveal {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.reveal {
  animation: reveal 0.8s forwards;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 2rem;
  z-index: 100;
  mix-blend-mode: difference;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: bold;
  font-family: var(--font-mono);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 4px;
}
::-webkit-scrollbar-track {
  background: var(--hi-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--hi-accent);
}