:root {
  --bg-white: #ffffff;
  --bg-grey: #f1f5f9;
  --accent-crimson: #dc2626;
  --accent-hover: #b91c1c;
  --text-slate: #1e293b;
  --text-muted: #475569;
  --border-color: #cbd5e1;
  --glass-backdrop: blur(16px) saturate(180%);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 12px 32px -4px rgba(0, 0, 0, 0.1);
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--text-slate);
  background-color: var(--bg-white);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
}

h1, h2, h3, h4, p {
  margin-top: 0;
}

h1, h2, h3 {
  line-height: 1.2;
  font-weight: 700;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

a {
  color: var(--text-slate);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-crimson);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
}

/* Layout Bands */
.band-white { background-color: var(--bg-white); padding: 5rem 0; }
.band-grey { background-color: var(--bg-grey); padding: 5rem 0; }
.band-crimson { background-color: var(--accent-crimson); color: var(--bg-white); padding: 5rem 0; }
.band-crimson p, .band-crimson a { color: var(--bg-white); }
.band-crimson a:hover { color: var(--bg-grey); text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.narrow-container {
  max-width: 72ch;
  margin: 0 auto;
}

/* Header */
.header-wrapper {
  position: relative;
  width: 100%;
  padding: 1.5rem;
  background: var(--bg-white);
  z-index: 100;
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-grey);
  padding: 1rem 2rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

.brand {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: ui-monospace, monospace;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-slate);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--accent-crimson);
  color: var(--accent-crimson) !important;
  background: transparent;
  font-family: ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  border-radius: 0;
  cursor: pointer;
  transition: all 0.3s var(--ease-kinetic);
  text-align: center;
}

.btn:hover {
  background: var(--accent-crimson);
  color: var(--bg-white) !important;
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 0 var(--text-slate);
}

/* Hero Section */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-images {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
}

.hero-img-1, .hero-img-2, .hero-img-3 {
  position: absolute;
  object-fit: cover;
  border-radius: 0;
  box-shadow: var(--shadow-elevation);
}

.hero-img-1 {
  width: 70%;
  height: 70%;
  top: 0;
  left: 0;
  z-index: 1;
}

.hero-img-2 {
  width: 50%;
  height: 50%;
  bottom: 10%;
  right: 5%;
  z-index: 2;
  border: 4px solid var(--bg-grey);
}

.hero-img-3 {
  width: 40%;
  height: 40%;
  top: 20%;
  right: 0;
  z-index: 3;
  border: 4px solid var(--bg-grey);
}

/* Glassmorphic Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 0;
  transition: transform 0.4s var(--ease-kinetic), box-shadow 0.4s var(--ease-kinetic);
}

.glass-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-elevation);
  border-color: var(--accent-crimson);
}

.glass-card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.glass-card .mono-label {
  display: block;
  font-size: 0.8rem;
  color: var(--accent-crimson);
  margin-bottom: 0.5rem;
}

/* Comparison Matrices */
.matrix-wrapper {
  overflow-x: auto;
  margin: 3rem 0;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-family: ui-monospace, monospace;
  font-size: 0.9rem;
  text-align: left;
}

th, td {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

th {
  background: var(--bg-white);
  font-weight: 600;
  color: var(--text-slate);
}

th:last-child, td:last-child {
  border-right: none;
}

tr:last-child td {
  border-bottom: none;
}

/* Forms & Tools */
.form-group {
  margin-bottom: 1.5rem;
}

label.mono {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
}

input, textarea {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border-color);
  background: var(--bg-white);
  color: var(--text-slate);
  font-family: system-ui, sans-serif;
  border-radius: 0;
  transition: border-color 0.2s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-crimson);
}

/* Footer */
footer {
  background-color: var(--bg-grey);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-family: ui-monospace, monospace;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.75rem;
}

.footer-col a {
  color: var(--text-slate);
  font-size: 0.95rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  margin-left: 1rem;
}

/* Utilities */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.7s var(--ease-kinetic);
}
.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 1.5rem;
    right: 1.5rem;
    background: var(--bg-white);
    flex-direction: column;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-elevation);
    z-index: 200;
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-menu-btn {
    display: block;
  }
  .header-inner {
    border-radius: 0;
  }
}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}