:root {
  --bg: #09090b;
  --surface: #111114;
  --surface-2: #16161a;
  --border: #222228;
  --border-strong: #32323a;
  --text: #f4f4f5;
  --text-muted: #9898a2;
  --text-dim: #63636e;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --ok: #10b981;
  --sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", Georgia, serif;
  --mono: "JetBrains Mono", monospace;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  line-height: 1.6;
}

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

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

.text-highlight {
  color: #ffffff;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

/* Central Architectural Frame */
.frame-shell {
  max-width: 1180px;
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  background: rgba(9, 9, 11, 0.86);
  backdrop-filter: blur(4px);
}

/* Top Telemetry Bar */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 32px;
  font-size: 0.75rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar-left,
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar a:hover {
  color: var(--text);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.sep {
  color: var(--text-dim);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 32px;
  background: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-role {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.site-nav a:hover {
  color: var(--text);
}

.nav-cta {
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text) !important;
  font-weight: 500;
  border-radius: 6px;
  transition: border-color 0.2s, background 0.2s;
}

.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* Crosshair Markers */
.crosshair {
  position: absolute;
  width: 11px;
  height: 11px;
  pointer-events: none;
  z-index: 5;
}

.crosshair::before,
.crosshair::after {
  content: "";
  position: absolute;
  background: var(--text-dim);
}

.crosshair::before {
  top: 5px;
  left: 0;
  width: 11px;
  height: 1px;
}

.crosshair::after {
  top: 0;
  left: 5px;
  width: 1px;
  height: 11px;
}

.ch-tl { top: -6px; left: -6px; }
.ch-tr { top: -6px; right: -6px; }
.ch-bl { bottom: -6px; left: -6px; }
.ch-br { bottom: -6px; right: -6px; }

/* Hero Section */
.hero-section {
  position: relative;
  padding: 72px 32px 80px;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 48px;
  align-items: start;
}

.eyebrow {
  margin-bottom: 20px;
}

.eyebrow-pill {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(249, 115, 22, 0.28);
  padding: 5px 11px;
  border-radius: 99px;
}

h1 {
  font-size: clamp(2rem, 3.15vw, 2.75rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -0.035em;
  margin-bottom: 22px;
  color: #ffffff;
  text-wrap: balance;
}

.h1-muted {
  color: #8f8f9d;
  font-weight: 600;
}

.hero-desc {
  color: var(--text-muted);
  font-size: 1.06rem;
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 44px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  font-size: 0.94rem;
  border-radius: 6px;
  border: 1px solid var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.18s, color 0.18s, border-color 0.18s;
}

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #09090b;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 13px 22px;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  font-size: 0.94rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  transition: border-color 0.18s, background 0.18s;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
  background: var(--surface);
}

.hero-proof {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proof-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.proof-val {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Interactive Showcase Window */
.showcase-window {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.window-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-strong);
}

.window-tabs {
  display: flex;
  gap: 4px;
}

.w-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 4px 9px;
  border-radius: 4px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.w-tab:hover {
  color: var(--text-muted);
}

.w-tab.active {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border-strong);
}

.window-panes-stack {
  display: grid;
  grid-template-areas: "pane";
}

.window-pane {
  grid-area: pane;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  padding: 20px;
  transition: opacity 0.16s ease;
}

.window-pane.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.pane-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.badge-ok {
  color: var(--ok);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 2px 8px;
  border-radius: 4px;
}

.arch-list {
  display: grid;
  gap: 12px;
}

.arch-row {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.arch-key {
  font-size: 0.75rem;
  color: var(--accent);
}

.arch-detail {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.code-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px;
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--text-muted);
  overflow-x: auto;
}

.c-dim {
  color: var(--text-dim);
}

.pane-footer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: 0.74rem;
  color: var(--text-muted);
}

.pane-footer a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prompt-arrow {
  color: var(--accent);
  margin-right: 4px;
}

/* Section Layout */
.section-block {
  position: relative;
  padding: 76px 32px;
  border-bottom: 1px solid var(--border);
}

.section-header {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: end;
  margin-bottom: 48px;
}

.section-index {
  display: block;
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

h2 {
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.section-lead {
  color: var(--text-muted);
  font-size: 0.98rem;
}

/* Case Study Rows */
.case-list {
  display: grid;
  border-top: 1px solid var(--border);
}

.case-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
  align-items: center;
}

.case-num {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.case-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.case-tags {
  font-size: 0.76rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.case-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 22px;
}

.case-links-dual {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text);
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  transition: border-color 0.15s, background 0.15s;
}

.case-link:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.case-internal {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 6px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: 6px;
}

.browser-mock {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.case-row:hover .browser-mock {
  border-color: #454552;
  transform: translateY(-2px);
}

.bm-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.74rem;
}

.bm-url {
  color: var(--text-muted);
}

.bm-status {
  color: var(--ok);
  font-size: 0.68rem;
}

.bm-body {
  padding: 24px;
}

.bm-kicker {
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.bm-headline {
  font-size: 1.08rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
}

.bm-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 0.72rem;
}

.bm-metrics span {
  display: block;
  color: var(--text-dim);
  margin-bottom: 3px;
}

.bm-metrics strong {
  color: var(--text-muted);
  font-weight: 500;
}

/* Bento Solutions Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.bento-cell {
  padding: 36px 32px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 20, 0.45);
  transition: background 0.2s;
}

.bento-cell:hover {
  background: var(--surface);
}

.cell-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.cell-num {
  font-size: 0.76rem;
  color: var(--accent);
}

.cell-icon {
  width: 22px;
  height: 22px;
  color: var(--text-muted);
}

.bento-cell h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.bento-cell p {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.cell-points {
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 0.76rem;
  color: var(--text-dim);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.cell-points li::before {
  content: "— ";
  color: var(--accent);
}

/* Engineering / Open Source Table */
.repo-table {
  border-top: 1px solid var(--border);
}

.repo-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 16px;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.repo-row:hover {
  background: var(--surface);
}

.repo-name {
  display: block;
  font-size: 0.96rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.repo-desc {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.repo-files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.repo-files span {
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 4px;
}

.repo-lang {
  font-size: 0.78rem;
  color: var(--accent);
  white-space: nowrap;
}

.repo-footer {
  margin-top: 24px;
}

.link-underline {
  font-size: 0.84rem;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.link-underline:hover {
  color: var(--text);
}

/* Process & About */
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-text {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-top: 18px;
}

.about-text strong {
  color: var(--text);
  font-weight: 600;
}

.process-steps {
  display: grid;
  gap: 16px;
}

.step-item {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.step-no {
  font-size: 0.74rem;
  color: var(--accent);
  padding-top: 3px;
}

.step-item h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.contact-desc {
  color: var(--text-muted);
  font-size: 0.96rem;
  margin: 18px 0 28px;
}

.direct-mail-box {
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  margin-bottom: 24px;
}

.dm-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.dm-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.dm-address {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text);
}

.copy-btn {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.copy-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}

.social-links {
  display: flex;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.social-links a {
  color: var(--text-muted);
}

.social-links a:hover {
  color: var(--text);
}

/* Quote Form */
.quote-form {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 28px;
  display: grid;
  gap: 18px;
}

.form-group {
  display: grid;
  gap: 8px;
}

.form-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-chip {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  padding: 7px 12px;
  border-radius: 5px;
  font-size: 0.82rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.topic-chip:hover {
  color: var(--text);
}

.topic-chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 11px 13px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  transition: border-color 0.15s;
}

.quote-form input::placeholder,
.quote-form textarea::placeholder {
  color: var(--text-dim);
}

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

.btn-full {
  width: 100%;
}

.form-footnote {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: center;
}

/* Footer */
.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  font-size: 0.76rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 12px;
}

/* Responsive */
@media (max-width: 920px) {
  .hero-grid,
  .section-header,
  .case-row,
  .split-2,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: 1fr;
  }

  .repo-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .site-nav a:not(.nav-cta) {
    display: none;
  }
}

@media (max-width: 600px) {
  .topbar {
    padding: 8px 16px;
  }
  .topbar-right {
    display: none;
  }
  .site-header,
  .hero-section,
  .section-block,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }
  .hero-proof,
  .form-row-2,
  .bm-metrics {
    grid-template-columns: 1fr;
  }
}