/* UR-FAT Brand Stylesheet - Clinical Brutalism */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;900&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --carbon-black: #000000;
  --sterile-white: #FFFFFF;
  --reactor-zinc: #18181B;
  --zinc-800: #27272A;
  --zinc-700: #3F3F46;
  --zinc-500: #71717A;
  --zinc-400: #A1A1AA;
  --alert-red: #DC2626;
  --font-display: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-display);
  background-color: var(--carbon-black);
  color: var(--sterile-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--alert-red);
  outline-offset: 2px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.mono {
  font-family: var(--font-mono);
}

.uppercase {
  text-transform: uppercase;
}

.tracking-wide {
  letter-spacing: 0.1em;
}

.tracking-tight {
  letter-spacing: -0.03em;
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
}

.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--zinc-800);
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--sterile-white);
}

.logo img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.logo-text .dot {
  color: var(--alert-red);
}

.nav {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav a {
  color: var(--zinc-400);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--sterile-white);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--sterile-white);
  color: var(--carbon-black);
}

.btn-primary:hover {
  background: var(--zinc-400);
}

.btn-secondary {
  background: transparent;
  color: var(--sterile-white);
  border: 1px solid var(--zinc-700);
}

.btn-secondary:hover {
  border-color: var(--sterile-white);
}

.btn-red {
  background: var(--alert-red);
  color: var(--sterile-white);
}

.btn-red:hover {
  background: #B91C1C;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 5rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(220, 38, 38, 0.15), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(220, 38, 38, 0.1);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: var(--alert-red);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--zinc-400);
  max-width: 600px;
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--alert-red);
  padding-left: 1.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Cards */
.card {
  background: var(--reactor-zinc);
  border: 1px solid var(--zinc-800);
  padding: 2rem;
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--zinc-700);
  transform: translateY(-2px);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  color: var(--zinc-500);
}

.card h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.card p {
  color: var(--zinc-400);
  font-size: 0.9rem;
}

/* Feature highlight with border accent */
.card-accent {
  border-left: 4px solid var(--zinc-700);
}

.card-accent:hover {
  border-left-color: var(--sterile-white);
}

/* Stats */
.stat-box {
  background: var(--reactor-zinc);
  border: 1px solid var(--zinc-800);
  padding: 2rem;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--zinc-500);
  margin-bottom: 0.5rem;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--sterile-white);
}

.stat-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--zinc-500);
  border-top: 1px solid var(--zinc-800);
  padding-top: 1rem;
  margin-top: 1rem;
}

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

@media (max-width: 768px) {
  .product-highlight {
    grid-template-columns: 1fr;
  }
}

.product-image {
  aspect-ratio: 1;
  background: var(--reactor-zinc);
  border: 1px solid var(--zinc-800);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-image img {
  max-width: 70%;
  height: auto;
}

/* Comparison Table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--zinc-800);
}

.comparison-table th {
  color: var(--zinc-500);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.7rem;
}

.comparison-table .bad {
  color: var(--alert-red);
}

.comparison-table .good {
  color: #22C55E;
}

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--zinc-800);
  padding: 1.5rem 0;
}

.faq-question {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--sterile-white);
}

.faq-answer {
  color: var(--zinc-400);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* Footer */
.footer {
  background: var(--reactor-zinc);
  border-top: 1px solid var(--zinc-800);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  color: var(--zinc-500);
  font-size: 0.875rem;
  margin-top: 1rem;
}

.footer-links h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--zinc-500);
  margin-bottom: 1.5rem;
}

.footer-links a {
  display: block;
  color: var(--zinc-400);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--sterile-white);
}

.footer-bottom {
  border-top: 1px solid var(--zinc-800);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--zinc-500);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Utilities */
.text-center {
  text-align: center;
}

.text-red {
  color: var(--alert-red);
}

.text-zinc {
  color: var(--zinc-400);
}

.mb-1 {
  margin-bottom: 0.5rem;
}

.mb-2 {
  margin-bottom: 1rem;
}

.mb-3 {
  margin-bottom: 1.5rem;
}

.mb-4 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 2rem;
}

/* Section Headers */
.section-header {
  margin-bottom: 3rem;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--alert-red);
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--zinc-400);
  max-width: 600px;
}

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--zinc-500);
  margin-bottom: 2rem;
  padding-top: 6rem;
}

.breadcrumb a {
  color: var(--zinc-500);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--sterile-white);
}

.breadcrumb span {
  margin: 0 0.5rem;
}

/* SEO Content Sections */
.content-section {
  padding: 4rem 0;
}

.content-section h2 {
  margin-bottom: 1.5rem;
}

.content-section p {
  color: var(--zinc-400);
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.content-section ul {
  list-style: none;
  margin-bottom: 2rem;
}

.content-section li {
  color: var(--zinc-400);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--zinc-800);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.content-section li::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--alert-red);
  margin-top: 0.5rem;
  flex-shrink: 0;
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--sterile-white);
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.95);
    border-bottom: 1px solid var(--zinc-800);
    padding: 2rem;
    gap: 1.5rem;
    text-align: center;
  }

  .nav.active {
    display: flex;
  }

  .nav a {
    font-size: 1rem;
    padding: 0.5rem;
  }

  .mobile-menu-btn {
    display: block;
  }
}

/* Schema-friendly article structure */
article {
  max-width: 800px;
  margin: 0 auto;
}

article h1 {
  margin-bottom: 1.5rem;
}

article .meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--zinc-500);
  margin-bottom: 2rem;
}

article .content {
  color: var(--zinc-400);
  line-height: 1.8;
}

article .content h2 {
  color: var(--sterile-white);
  margin-top: 3rem;
  margin-bottom: 1.5rem;
}

article .content p {
  margin-bottom: 1.5rem;
}
/* Solution Features (extracted from inline styles) */
.feature-list {
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--zinc-800);
}

.feature-item:last-child {
  border-bottom: none;
}

.feature-dot {
  width: 8px;
  height: 8px;
  background: var(--alert-red);
}

.net-weight {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--zinc-500);
}