:root {
  --bg-color: #F4F4F0; 
  --border-color: #111111; 
  --accent-color: #FF4500; 
  --text-color: #111111;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Inter', sans-serif;
  --border-width: 4px; 
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; background-color: var(--bg-color); }
body { font-family: var(--font-body); color: var(--text-color); line-height: 1.5; overflow-x: hidden; }

/* Typography */
h1, h2, h3 { font-family: var(--font-display); text-transform: uppercase; font-weight: 800; line-height: 1; }
.massive-text { font-size: clamp(3rem, 12vw, 10rem); letter-spacing: -0.05em; word-break: break-word; margin: 1rem 0; }
.small-massive { font-size: clamp(2.5rem, 8vw, 6rem); }
.section-title { font-size: clamp(1.8rem, 5vw, 3rem); margin-bottom: 1.5rem; letter-spacing: -0.02em; }
p { font-size: 1.1rem; margin-bottom: 1rem; }

/* Grid & Structure */
.border-bottom { border-bottom: var(--border-width) solid var(--border-color); }
.border-right { border-right: var(--border-width) solid var(--border-color); }
.bg-black { background-color: var(--border-color); }
.text-white { color: #F4F4F0; }
.border-bottom-white { border-bottom: var(--border-width) solid #F4F4F0; }
.center-flex { display: flex; align-items: center; justify-content: center; text-align: center; flex-direction: column; }

.brutal-wrapper {
  max-width: 1600px;
  margin: 0 auto;
  border-left: var(--border-width) solid var(--border-color);
  border-right: var(--border-width) solid var(--border-color);
  background: var(--bg-color);
}

.grid-layout { display: grid; width: 100%; }
.cell { padding: clamp(1.5rem, 3vw, 3rem); position: relative; }

/* Marquee */
.marquee-container { background: var(--border-color); color: var(--bg-color); font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; padding: 0.5rem 0; overflow: hidden; white-space: nowrap; display: flex; }
.marquee-content { display: inline-block; animation: marquee 20s linear infinite; }
.marquee-content span { padding-right: 2rem; }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }

/* Header */
.header-grid { grid-template-columns: 120px 1fr 350px; }
.main-logo { width: 65px; height: auto; display: block; }
.title-cell h1 { font-size: clamp(1.2rem, 2.5vw, 2.5rem); letter-spacing: -1px; width: 100%; text-align: left; }

.nav-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; padding: 0; }
.nav-link { display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.9rem; font-weight: 700; text-decoration: none; color: var(--text-color); transition: background 0.2s, color 0.2s; }
.nav-link:hover { background: var(--border-color); color: var(--bg-color); }
.highlight-link { background: var(--border-color); color: var(--bg-color); }
.highlight-link:hover { background: var(--accent-color); color: var(--border-color); }

/* Hero */
.hero-grid { grid-template-columns: 60px 1fr 400px; }
.vertical-text-cell { padding: 0; position: relative; background: var(--border-color); color: var(--bg-color); }
.vertical-text { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) rotate(-90deg); white-space: nowrap; font-family: var(--font-mono); font-weight: 700; font-size: 1rem; letter-spacing: 2px; }

.sticker { position: absolute; top: 1.5rem; left: 1.5rem; background: var(--accent-color); color: var(--border-color); font-family: var(--font-display); font-weight: 800; font-size: clamp(1rem, 2vw, 1.5rem); padding: 1.2rem; border-radius: 50%; transform: rotate(-15deg); border: var(--border-width) solid var(--border-color); box-shadow: 4px 4px 0 var(--border-color); z-index: 10; }
.hero-desc { font-size: clamp(1.1rem, 2vw, 1.4rem); max-width: 800px; margin-top: 2rem; font-weight: 600; }

.side-grid { display: grid; grid-template-rows: 1fr 1fr; padding: 0; }
.highlight-bg { background: #E0E0DB; }
.inner-box { border: var(--border-width) solid var(--border-color); padding: 2rem; background: var(--bg-color); width: 85%; box-shadow: 6px 6px 0 var(--border-color); transition: transform 0.2s; }
.inner-box:hover { transform: translate(-4px, -4px); box-shadow: 10px 10px 0 var(--border-color); }
.inner-box h3 { font-size: 1.5rem; margin-bottom: 1.5rem; }

/* Buttons */
.brutal-btn { display: inline-block; font-family: var(--font-mono); font-weight: 700; text-decoration: underline; text-underline-offset: 4px; color: var(--text-color); cursor: pointer; }
.brutal-btn:hover { color: var(--accent-color); }
.large-btn { font-size: clamp(1.2rem, 3vw, 1.8rem); padding: 1rem 1.5rem; border: var(--border-width) solid var(--border-color); text-decoration: none; box-shadow: 6px 6px 0 var(--border-color); background: var(--bg-color); }
.large-btn:hover { background: var(--accent-color); box-shadow: 8px 8px 0 var(--border-color); transform: translate(-4px, -4px); color: var(--border-color); }

/* Simulator */
.sim-grid { grid-template-columns: 1fr 1.5fr; }
.sim-controls { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.sim-btn { font-family: var(--font-mono); font-size: 1.1rem; font-weight: 700; padding: 1rem; background: transparent; border: var(--border-width) solid var(--border-color); cursor: pointer; text-align: left; transition: all 0.2s; }
.sim-btn:hover, .sim-btn.active { background: var(--border-color); color: var(--bg-color); padding-left: 2rem; }
.sim-terminal { padding: 0; display: flex; flex-direction: column; }
.terminal-header { display: flex; justify-content: space-between; padding: 1rem 1.5rem; font-family: var(--font-mono); font-size: 0.9rem; }
pre { padding: 1.5rem; font-family: var(--font-mono); font-size: clamp(0.85rem, 1.5vw, 1rem); color: #00FF41; overflow-x: auto; flex-grow: 1; min-height: 250px; }

/* Modalities */
.modalities-grid { grid-template-columns: repeat(3, 1fr); }
.full-width { grid-column: 1 / -1; }
.mod-card { transition: background 0.2s; }
.mod-card:hover { background: var(--border-color); color: var(--bg-color); }
.mod-card:hover .mod-metric { border-color: var(--bg-color); background: var(--bg-color); color: var(--border-color); }
.mod-icon { font-size: 2.5rem; display: block; margin-bottom: 1rem; }
.mod-card h3 { font-size: 1.3rem; margin-bottom: 1rem; }
.mod-metric { display: inline-block; font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; padding: 0.4rem 0.8rem; border: 2px solid var(--border-color); margin-top: 1rem; }

/* Data & Tables */
.data-grid { grid-template-columns: 1fr 1fr; }
.brutal-list { list-style: none; }
.brutal-list li { font-family: var(--font-mono); font-size: 0.95rem; padding: 1.2rem 0; border-bottom: 2px dashed var(--border-color); }
.brutal-list li:last-child { border-bottom: none; }
.brutal-list strong { display: block; font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.5rem; }
.table-responsive { width: 100%; overflow-x: auto; }
.brutal-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.95rem; min-width: 400px; }
.brutal-table th, .brutal-table td { padding: 1rem; border: var(--border-width) solid var(--border-color); text-align: left; }
.brutal-table th { font-family: var(--font-display); font-size: 1.1rem; background: var(--border-color); color: var(--bg-color); }
.highlight-row { background: #E0E0DB; }

/* Footer */
.footer-grid { grid-template-columns: 2fr 1fr; background: var(--border-color); color: var(--bg-color); }
.footer-main.border-right { border-color: var(--bg-color); }

/* Secondary Pages */
.text-heavy-page { max-width: 1000px; margin: 0 auto; }
.pricing-tier { padding: clamp(2rem, 5vw, 4rem); position: relative; }

/* ==========================================================================
   Responsive / Device Optimization
   ========================================================================== */
@media (max-width: 1024px) {
  .header-grid { grid-template-columns: 100px 1fr; }
  .nav-cell { display: none; } 
  .hero-grid { grid-template-columns: 40px 1fr; }
  .hero-side-cell { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; border-top: var(--border-width) solid var(--border-color); }
  .side-item.border-bottom { border-bottom: none; border-right: var(--border-width) solid var(--border-color); }
  .modalities-grid { grid-template-columns: repeat(2, 1fr); }
  .mod-card:nth-child(even) { border-right: none; }
  .mod-card:last-child { border-bottom: none; border-right: none; }
}

@media (max-width: 768px) {
  .brutal-wrapper { border: none; }
  
  /* Stack Grids */
  .hero-grid, .sim-grid, .data-grid, .footer-grid, .modalities-grid { grid-template-columns: 1fr; }
  .hero-side-cell { grid-template-columns: 1fr; }
  
  /* Fix Borders for Stacking */
  .border-right { border-right: none; border-bottom: var(--border-width) solid var(--border-color); }
  .hero-main-cell, .sim-header, .arch-cell, .footer-main { border-right: none; border-bottom: var(--border-width) solid var(--border-color); }
  .side-item.border-bottom { border-right: none; border-bottom: var(--border-width) solid var(--border-color); }
  .mod-card { border-right: none !important; border-bottom: var(--border-width) solid var(--border-color); }
  .mod-card:last-child { border-bottom: none; }
  
  /* Adjustments */
  .vertical-text-cell { display: none; }
  .sticker { position: relative; top: 0; left: 0; display: inline-block; margin-bottom: 1rem; }
  .inner-box { width: 100%; }
  
  .header-grid { grid-template-columns: 1fr; text-align: center; }
  .logo-cell { border-right: none; border-bottom: var(--border-width) solid var(--border-color); padding: 1rem; }
  .title-cell h1 { text-align: center; }
}