:root {
  --bg-base: #0b0b0d;
  --bg-surface: #121215;
  --accent: #dc2626;
  --silver: #c0c4cc;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-main);
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: normal;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: 1rem;
}

a {
  color: var(--silver);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

/* Header & Top Bar */
.top-bar {
  background-color: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 1rem;
  text-align: left;
  font-family: var(--font-sans);
}

header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--silver);
  background-color: var(--bg-base);
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.brand a {
  color: var(--text-main);
}

nav#desktop-nav {
  display: flex;
  gap: 2rem;
}

nav#desktop-nav a {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

#mobile-nav {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--silver);
  padding: 1rem 2rem;
}

#mobile-nav.active {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* Background Pattern */
.pattern-bg {
  background-image: radial-gradient(var(--silver) 1px, transparent 1px);
  background-size: 32px 32px;
}

.hero-section {
  padding: 6rem 2rem;
  border-bottom: 1px solid var(--silver);
  position: relative;
}

.hero-section h1 {
  font-size: clamp(3rem, 6vw, 6rem);
  max-width: 1200px;
  margin: 0 auto;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.bento-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--silver);
  padding: 2rem;
  border-radius: 0; 
  display: flex;
  flex-direction: column;
}

.bento-card.span-2 {
  grid-column: span 2;
}

@media (max-width: 768px) {
  .bento-card.span-2 {
    grid-column: span 1;
  }
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--accent);
  margin: 1rem 0;
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--silver);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--silver);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

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

th {
  background-color: var(--bg-surface);
  font-family: var(--font-serif);
  font-weight: normal;
  color: var(--silver);
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--bg-base);
  color: var(--text-main);
  border: 1px solid var(--silver);
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--accent);
  transition: all 0.15s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  box-shadow: 4px 4px 0 var(--silver);
}

.btn:hover {
  box-shadow: 2px 2px 0 var(--silver);
  transform: translate(2px, 2px);
  color: var(--text-main);
}

.btn:active {
  box-shadow: 0 0 0 var(--silver);
  transform: translate(4px, 4px);
}

/* Typography elements */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-base);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-serif);
}

.editorial-text {
  max-width: 68ch;
  margin: 0 auto 3rem auto;
  font-size: 1.125rem;
  color: var(--silver);
}

/* Calculator Form */
.calc-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--silver);
  padding: 2rem;
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  color: var(--silver);
}

input, select, textarea {
  width: 100%;
  background-color: var(--bg-base);
  border: 1px solid var(--silver);
  color: var(--text-main);
  padding: 0.75rem;
  font-family: var(--font-sans);
  border-radius: 0;
}

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

#calc-result {
  margin-top: 2rem;
  padding: 1rem;
  border: 1px solid var(--accent);
  display: none;
}

/* Footer */
footer {
  margin-top: 4rem;
  border-top: 4px solid var(--silver);
  padding: 4rem 2rem;
  background-color: var(--bg-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-col h4 {
  font-size: 1rem;
  color: var(--silver);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.footer-col nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Media Queries */
@media (max-width: 768px) {
  nav#desktop-nav {
    display: none;
  }
  #mobile-menu-btn {
    display: block;
  }
  .hero-section h1 {
    font-size: 2.5rem;
  }
}

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