:root {
  --bg-base: #13261d;
  --bg-surface: #1e3b2d;
  --text-main: #efe6d2;
  --accent-brass: #b8923a;
  
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, Consolas, "SF Mono", "Roboto Mono", "Courier New", monospace;
  
  --ease-flight: cubic-bezier(0.16, 1, 0.3, 1);
  --section-padding: 4rem;
}

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

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

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

a {
  color: var(--accent-brass);
  text-decoration: none;
  transition: opacity 0.3s var(--ease-flight);
}

a:hover {
  opacity: 0.8;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-main);
}

h1 { font-size: clamp(3rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.5rem; }

.font-mono, 
.small-heading, 
.tech-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tech-label {
  font-size: 0.75rem;
  color: var(--accent-brass);
}

/* HEADER */
.site-header {
  position: relative;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--accent-brass);
  z-index: 100;
}

.tagline-bar {
  background-color: var(--bg-base);
  color: var(--accent-brass);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-align: center;
  padding: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--accent-brass);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.brand-logo {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--text-main);
  text-decoration: none;
}

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

.desktop-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease-flight);
}

.desktop-nav a:hover,
.desktop-nav a.active {
  border-bottom: 1px solid var(--accent-brass);
  color: var(--accent-brass);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

/* HERO SECTION */
.hero-typographic {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--section-padding) 2rem;
  background-color: var(--bg-base);
}

.hero-typographic h1 {
  max-width: 1000px;
  margin: 0 auto 1.5rem;
}

.hero-typographic p {
  font-family: var(--font-mono);
  color: var(--accent-brass);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* BUTTONS */
.btn {
  display: inline-block;
  background: transparent;
  color: var(--accent-brass);
  border: 1px solid var(--accent-brass);
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 0;
  transition: all 0.3s var(--ease-flight);
}

.btn:hover {
  background-color: var(--accent-brass);
  color: var(--bg-base);
}

.btn-solid {
  background-color: var(--accent-brass);
  color: var(--bg-base);
}

.btn-solid:hover {
  background-color: var(--text-main);
  border-color: var(--text-main);
  color: var(--bg-base);
}

/* SPLIT SCREEN SECTIONS */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
  border-top: 1px solid var(--accent-brass);
  border-bottom: 1px solid var(--accent-brass);
}

.split-section:nth-of-type(even) {
  grid-template-columns: 1fr 1fr;
  direction: rtl; /* simple way to swap visual order */
}

.split-section:nth-of-type(even) > * {
  direction: ltr; /* reset content direction */
}

.split-text {
  padding: clamp(2rem, 5vw, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: var(--bg-base);
}

.split-text h2 {
  margin-bottom: 1rem;
}

.split-text p {
  margin-bottom: 1.5rem;
  max-width: 68ch;
}

.split-image {
  background-color: var(--bg-surface);
  position: relative;
  border-left: 1px solid var(--accent-brass);
}

.split-section:nth-of-type(even) .split-image {
  border-left: none;
  border-right: 1px solid var(--accent-brass);
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* BRASS BLOCK BACKGROUNDS */
.brass-block {
  background-color: var(--accent-brass);
  color: var(--bg-base);
  padding: var(--section-padding) 2rem;
  text-align: center;
}

.brass-block h2, 
.brass-block p {
  color: var(--bg-base);
}

/* CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: var(--section-padding) 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.tech-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--accent-brass);
  border-radius: 0;
  padding: 2rem;
  transition: transform 0.3s var(--ease-flight);
}

.tech-card:hover {
  transform: translateY(-5px);
}

.tech-card h3 {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 1.1rem;
}

.tech-card p {
  font-size: 0.95rem;
}

/* ROUND AVATARS / BADGES */
.badge-round {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--accent-brass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-brass);
  margin-bottom: 1rem;
  overflow: hidden;
}

.badge-round img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* TABLES & METRICS */
.data-table-container {
  width: 100%;
  overflow-x: auto;
  margin: 2rem 0;
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.tech-table th, 
.tech-table td {
  border: 1px solid var(--accent-brass);
  padding: 1rem;
  text-align: left;
}

.tech-table th {
  background-color: var(--bg-surface);
  color: var(--accent-brass);
}

/* TICKER */
.metric-ticker {
  display: flex;
  gap: 2rem;
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--accent-brass);
  border-top: 1px solid var(--accent-brass);
  border-bottom: 1px solid var(--accent-brass);
  padding: 1.5rem 2rem;
  overflow: hidden;
  white-space: nowrap;
  background-color: var(--bg-surface);
}

/* FORMS */
.tech-form {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--bg-surface);
  padding: 2rem;
  border: 1px solid var(--accent-brass);
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-brass);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  background-color: var(--bg-base);
  border: 1px solid var(--accent-brass);
  color: var(--text-main);
  padding: 0.75rem;
  font-family: var(--font-mono);
  border-radius: 0;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--text-main);
}

/* FOOTER */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--accent-brass);
  padding: 4rem 2rem 2rem;
  font-family: var(--font-mono);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto 3rem;
}

.footer-col h4 {
  color: var(--accent-brass);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

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

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

.footer-col a {
  color: var(--text-main);
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--accent-brass);
}

.footer-legal {
  max-width: 1400px;
  margin: 0 auto;
  border-top: 1px solid rgba(184, 146, 58, 0.3);
  padding-top: 2rem;
  font-size: 0.75rem;
  color: rgba(239, 230, 210, 0.6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.footer-legal p {
  max-width: 600px;
}

/* REVEAL ANIMATIONS */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-flight), transform 0.8s var(--ease-flight);
}

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

/* CONTENT PAGE LAYOUT */
.content-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--section-padding) 2rem;
}

.content-wrapper h2 { margin: 2rem 0 1rem; }
.content-wrapper p { margin-bottom: 1.5rem; max-width: 72ch; }
.content-wrapper ul { margin-bottom: 1.5rem; padding-left: 2rem; }
.content-wrapper li { margin-bottom: 0.5rem; }

/* MEDIA QUERIES */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--accent-brass);
    flex-direction: column;
    padding: 1rem 0;
    gap: 0;
  }
  
  .desktop-nav.active {
    display: flex;
  }
  
  .desktop-nav a {
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(184, 146, 58, 0.2);
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .split-section,
  .split-section:nth-of-type(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }
  
  .split-image {
    min-height: 300px;
    border-left: none;
    border-bottom: 1px solid var(--accent-brass);
    order: -1;
  }
  
  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}}