:root {
  --bg-canvas: #0d221c;
  --bg-surface: #15332b;
  --bg-surface-hover: #1c4238;
  --text-primary: #eaf5f2;
  --text-muted: #a3c2b8;
  --accent-primary: #ff6f59;
  --accent-secondary: #ff8a75;
  --border-subtle: rgba(255, 111, 89, 0.2);
  --border-glass: rgba(234, 245, 242, 0.12);
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-elevation: 0 16px 36px -6px rgba(5, 15, 12, 0.6);
  --glow-accent: 0 0 28px -4px rgba(255, 111, 89, 0.35);
  --radius-card: 20px;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: Charter, Cambria, Georgia, serif;
  font-size: 1.05rem;
  line-height: 1.65;
  overflow-wrap: anywhere;
  hyphens: auto;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(255, 111, 89, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(255, 111, 89, 0.05) 0%, transparent 45%);
  background-attachment: fixed;
}

a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s var(--ease-kinetic);
}
a:hover {
  color: var(--accent-secondary);
}

.site-header {
  position: static;
  width: 100%;
  padding: 1.75rem 2rem 1.25rem;
  border-bottom: 1px solid var(--border-glass);
}

.brand-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--accent-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.brand-logo:hover {
  color: var(--accent-secondary);
}
.brand-logo span.tech-tag {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  background: var(--bg-surface);
  color: var(--text-muted);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  border: 1px solid var(--border-glass);
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-surface);
  color: var(--accent-primary);
  border: 1px solid var(--border-subtle);
  font-size: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  cursor: pointer;
}

.nav-wrapper {
  max-width: 1200px;
  margin: 1rem auto 0;
  display: flex;
  justify-content: center;
}

.primary-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
  padding: 0.5rem 1rem;
}

.primary-nav a {
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.25s var(--ease-kinetic);
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.prose {
  max-width: 70ch;
  margin: 0 auto;
}

h1, h2, h3, h4 {
  font-family: Charter, Cambria, Georgia, serif;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 1rem;
  font-weight: normal;
}

h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-variant-caps: titling-caps;
  border-left: 4px solid var(--accent-primary);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 1.85rem;
  margin-top: 2rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.35rem;
  color: var(--accent-secondary);
}

p {
  margin-bottom: 1.25rem;
}

.hero-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.hero-images-stack {
  position: relative;
  min-height: 380px;
}

.hero-images-stack img {
  border-radius: var(--radius-card);
  object-fit: cover;
  box-shadow: var(--shadow-elevation);
  border: 1px solid var(--border-glass);
}

.hero-img-main {
  width: 85%;
  height: 280px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
}

.hero-img-detail-a {
  width: 55%;
  height: 180px;
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 3;
  border: 2px solid var(--accent-primary) !important;
}

.btn-primary {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #0d221c;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 1.75rem;
  border-radius: 20px;
  text-decoration: none;
  box-shadow: var(--glow-accent);
  transition: transform 0.25s var(--ease-kinetic), background-color 0.2s, box-shadow 0.25s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  background-color: var(--accent-secondary);
  color: #0d221c;
  box-shadow: 0 0 32px 0 var(--accent-secondary);
}

.btn-secondary {
  color: var(--accent-primary);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0;
  font-size: 1rem;
}

.pipeline-timeline {
  position: relative;
  margin: 3.5rem 0;
  padding-left: 2.5rem;
}

.pipeline-timeline::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 15px;
  left: 14px;
  width: 2px;
  background: var(--accent-primary);
}

.pipeline-node {
  position: relative;
  margin-bottom: 3.5rem;
}

.pipeline-node:last-child {
  margin-bottom: 0;
}

.pipeline-badge {
  position: absolute;
  left: -2.5rem;
  top: 0;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-canvas);
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 2rem;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-elevation);
  transition: transform 0.3s var(--ease-kinetic), border-color 0.3s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--border-subtle);
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.grid-three {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}

.metric-dial {
  background: rgba(13, 34, 28, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  text-align: center;
}

.metric-dial .metric-value {
  font-size: 2.25rem;
  color: var(--accent-primary);
  font-weight: 700;
  display: block;
}

.metric-dial .metric-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius-card);
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
}

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

th, td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(234, 245, 242, 0.08);
}

th {
  background: rgba(13, 34, 28, 0.8);
  color: var(--accent-secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.spec-sheet {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  margin: 2rem 0;
}

.spec-sheet dl {
  display: grid;
  grid-template-columns: 1fr 2fr;
  row-gap: 0.75rem;
}

.spec-sheet dt {
  font-weight: bold;
  color: var(--accent-primary);
}

.spec-sheet dd {
  color: var(--text-primary);
  margin-left: 0;
}

.interactive-calculator {
  background: var(--bg-surface);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 2.25rem;
  margin: 3rem 0;
}

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

.calc-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--accent-secondary);
}

.calc-group input, 
.calc-group select, 
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-glass);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
}

.calc-group input:focus, 
.calc-group select:focus, 
.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(255, 111, 89, 0.3);
}

.calc-results {
  background: rgba(13, 34, 28, 0.9);
  padding: 1.5rem;
  border-radius: 12px;
  margin-top: 1.5rem;
  border: 1px solid var(--border-glass);
}

.calc-cta-row {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.accordion-item {
  border: 1px solid var(--border-glass);
  background: var(--bg-surface);
  border-radius: var(--radius-card);
  margin-bottom: 1rem;
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  padding: 1.25rem 1.75rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  text-align: left;
  font-size: 1.15rem;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.accordion-header:hover {
  color: var(--accent-primary);
}

.accordion-content {
  padding: 0 1.75rem 1.5rem;
  display: none;
}

.accordion-content.is-open {
  display: block;
}

.reveal-element {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-kinetic), transform 0.6s var(--ease-kinetic);
}

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

.site-footer {
  background: #091713;
  border-top: 1px solid var(--border-glass);
  padding: 4rem 1.5rem 2.5rem;
  margin-top: 5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-nav {
  list-style: none;
}

.footer-nav li {
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--accent-primary);
}

.footer-meta {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(234, 245, 242, 0.05);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  .nav-wrapper {
    display: none;
    width: 100%;
    margin-top: 1rem;
  }
  .nav-wrapper.menu-active {
    display: block;
  }
  .primary-nav {
    flex-direction: column;
    background: var(--bg-surface);
    border-radius: var(--radius-card);
    border: 1px solid var(--border-glass);
    padding: 1.5rem;
  }
  .hero-section {
    grid-template-columns: 1fr;
  }
  .hero-images-stack {
    display: none;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .pipeline-timeline {
    padding-left: 1.5rem;
  }
  .pipeline-badge {
    left: -1.5rem;
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
  }
}

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