:root {
  --bg-canvas: #0b0b0d;
  --bg-surface: #16161a;
  --bg-surface-alt: #1f1f26;
  --text-primary: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-silver: #c0c4cc;
  --accent-primary: #dc2626;
  --accent-hover: #b91c1c;
  --border-subtle: #27272e;
  --border-strong: #3f3f46;
  --ease-kinetic: cubic-bezier(0.16, 1, 0.3, 1);
  --btn-shadow: 4px 4px 0px #000000;
  --max-w: 1200px;
}

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

body {
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-wrap: anywhere;
  hyphens: auto;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(220, 38, 38, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 85% 75%, rgba(220, 38, 38, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

/* TOP NOTIFICATION BAR */
.top-bar {
  background: #000000;
  border-bottom: 1px solid var(--border-subtle);
  padding: 6px 20px;
  font-size: 0.8125rem;
  color: var(--text-silver);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.top-bar a:hover {
  color: var(--accent-primary);
}

/* HEADER - LEFT ALIGNED BRAND, NEVER FIXED/STICKY */
header.site-header {
  position: static;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  width: 100%;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.brand-block {
  text-align: left;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--text-primary);
  display: block;
}

.brand-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-primary);
  display: block;
  font-weight: 700;
}

.desktop-nav {
  display: flex;
  gap: 20px;
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-silver);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

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

.mobile-menu-btn {
  display: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.5rem;
  border: 1px solid var(--border-subtle);
  width: 40px;
  height: 40px;
  cursor: pointer;
  line-height: 1;
}

.mobile-menu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: var(--bg-surface-alt);
  border-bottom: 2px solid var(--accent-primary);
  flex-direction: column;
  z-index: 999;
}

.mobile-menu-dropdown.open {
  display: flex;
}

.mobile-menu-dropdown a {
  padding: 14px 24px;
  border-bottom: 1px solid var(--border-subtle);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.875rem;
}

/* BUTTONS */
.btn-crimson {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 14px 26px;
  border: 1px solid #000000;
  box-shadow: var(--btn-shadow);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-crimson:hover {
  background-color: var(--accent-hover);
  transform: translate(3px, 3px);
  box-shadow: 1px 1px 0px #000000;
}

.btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 13px 24px;
  cursor: pointer;
  box-shadow: 4px 4px 0px rgba(0,0,0,0.4);
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: var(--bg-surface-alt);
  border-color: var(--text-silver);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px rgba(0,0,0,0.4);
}

/* CONTAINER & LAYOUT */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 24px;
}

.hero-block {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-copy p {
  font-size: 1.125rem;
  color: var(--text-silver);
  margin-bottom: 28px;
  max-width: 65ch;
}

/* HERO IMAGE TRIO (STAGGERED PLANAR CARDS) */
.hero-trio {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-img {
  position: absolute;
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  box-shadow: 0 0 0 1px #000000;
}

.hero-card-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(105%) brightness(95%);
}

.hero-card-1 {
  width: 65%;
  height: 320px;
  top: 10px;
  left: 0;
  z-index: 1;
}

.hero-card-2 {
  width: 60%;
  height: 290px;
  bottom: 0px;
  right: 0;
  z-index: 2;
  border-left: 2px solid var(--accent-primary);
}

.hero-card-3 {
  width: 48%;
  height: 180px;
  top: 130px;
  left: 28%;
  z-index: 3;
  border: 2px solid #000000;
}

.badge-metric {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(11, 11, 13, 0.9);
  padding: 4px 10px;
  font-size: 0.75rem;
  font-family: monospace;
  color: #f4f4f5;
  border: 1px solid var(--border-strong);
}

/* ARCHITECTURAL NUMBERED GUIDE TIMELINE */
.architecture-guide {
  position: relative;
  padding: 60px 0;
}

.guide-rail-line {
  position: absolute;
  top: 80px;
  bottom: 80px;
  left: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary) 0%, var(--border-strong) 100%);
  z-index: 0;
}

.architectural-section {
  position: relative;
  margin-bottom: 70px;
  padding-left: 70px;
  z-index: 1;
}

.section-node {
  position: absolute;
  left: 15px;
  top: 0;
  width: 28px;
  height: 28px;
  background: var(--bg-canvas);
  border: 2px solid var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.section-header-tag {
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 6px;
  display: block;
}

.architectural-section h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  margin-bottom: 18px;
  color: #ffffff;
}

.architectural-section p {
  color: var(--text-silver);
  margin-bottom: 16px;
  max-width: 72ch;
}

/* CARDS & GRIDS */
.planar-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.planar-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.planar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 24px;
  position: relative;
  transition: border-color 0.2s ease;
}

.planar-card:hover {
  border-color: var(--accent-primary);
}

.planar-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.planar-card p {
  font-size: 0.9375rem;
  color: var(--text-silver);
  line-height: 1.55;
  margin-bottom: 0;
}

.card-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.8125rem;
}

.card-spec-table td {
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-silver);
}

.card-spec-table td:last-child {
  text-align: right;
  font-weight: 700;
  color: #ffffff;
}

/* DATA TABLES */
.table-wrap {
  overflow-x: auto;
  margin: 24px 0;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

table.metric-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

table.metric-table th {
  background: #111114;
  padding: 12px 16px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--accent-primary);
  color: #ffffff;
}

table.metric-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-silver);
}

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

table.metric-table tr:hover td {
  background: var(--bg-surface-alt);
  color: #ffffff;
}

/* INTERACTIVE TOOL: YARDAGE & STACK CALCULATOR */
.calc-module {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-top: 3px solid var(--accent-primary);
  padding: 28px;
  margin: 32px 0;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-silver);
}

.input-group input, .input-group select, .input-group textarea {
  background: #0d0d10;
  border: 1px solid var(--border-strong);
  color: #ffffff;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.9375rem;
}

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

.calc-results {
  background: #0d0d10;
  border: 1px solid var(--border-subtle);
  padding: 20px;
  margin-top: 20px;
}

.calc-summary-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-primary);
  font-family: monospace;
}

.calc-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* PHOTO STRIP SECTION */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
}

.photo-cell {
  border: 1px solid var(--border-subtle);
  position: relative;
  background: var(--bg-surface);
  aspect-ratio: 4/3;
  overflow: hidden;
}

.photo-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.photo-cell:hover img {
  transform: scale(1.02);
}

.photo-cell figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 11, 13, 0.9);
  padding: 6px 10px;
  font-size: 0.75rem;
  color: var(--text-silver);
  border-top: 1px solid var(--border-subtle);
}

/* FAQ ACCORDION */
.faq-item {
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  margin-bottom: 12px;
}

.faq-trigger {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 16px 20px;
  color: #ffffff;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-trigger:hover {
  background: var(--bg-surface-alt);
}

.faq-icon {
  font-size: 1.25rem;
  color: var(--accent-primary);
  font-weight: 800;
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--text-silver);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* FOOTER */
footer.site-footer {
  background: #000000;
  border-top: 2px solid var(--accent-primary);
  padding: 60px 0 30px;
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.footer-columns {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  margin-bottom: 16px;
  border-left: 2px solid var(--accent-primary);
  padding-left: 8px;
}

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

.footer-col li {
  margin-bottom: 8px;
  font-size: 0.875rem;
}

.footer-col a {
  color: var(--text-silver);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compliance-box {
  background: #09090b;
  border: 1px solid var(--border-subtle);
  padding: 14px;
  font-size: 0.75rem;
  color: #71717a;
  line-height: 1.5;
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-trio {
    min-height: 350px;
    margin-top: 20px;
  }
  .planar-grid-3 {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .guide-rail-line {
    left: 14px;
  }
  .architectural-section {
    padding-left: 45px;
  }
  .section-node {
    left: 0;
    width: 24px;
    height: 24px;
    font-size: 0.6875rem;
  }
  .planar-grid-2 {
    grid-template-columns: 1fr;
  }
  .photo-strip {
    grid-template-columns: 1fr;
  }
  .footer-columns {
    grid-template-columns: 1fr;
  }
}

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