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

/* === TOKENS === */
:root {
  --bg: #fff;
  --fg: #000;
  --border: #000;
  --muted: #666;
  --accent: #0088FF;
  --surface: #f5f5f5;
  --page-bg: #e0e0e0;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}
[data-theme="dark"] {
  --bg: #141414;
  --fg: #c8c8c8;
  --border: #2a2a2a;
  --muted: #888;
  --accent: #3399FF;
  --surface: #1a1a1a;
  --page-bg: #0a0a0a;
}
[data-theme="dark"] .section-header {
  background: #2a2a2a;
  color: #bbb;
}

/* === BASE === */
html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === CONTAINER === */
.container {
  max-width: 840px;
  margin: 2rem auto;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.15);
}

/* === UTILITIES === */
.mono { font-family: var(--mono); font-size: 0.85em; }

/* === HEADER === */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo-img {
  height: 1.5rem;
  width: auto;
}
.logo-dark { display: none; }
[data-theme="dark"] .logo-light { display: none; }
[data-theme="dark"] .logo-dark { display: inline; }
.header-right { display: flex; gap: 0.25rem; }
.btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.35rem 0.65rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.05em;
  text-decoration: none;
}
.btn:hover { background: var(--fg); color: var(--bg); text-decoration: none; }
a.btn:hover { background: #0088FF; border-color: #0088FF; color: #fff; }
#lang-toggle:hover { background: #0088FF; border-color: #0088FF; color: #fff; }
.icon { width: 16px; height: 16px; }

/* theme icon colors */
[data-theme="light"] .icon-sun { color: #000; }
[data-theme="light"] #theme-toggle:hover .icon-sun { color: #FFBB00; }
[data-theme="light"] #theme-toggle:hover { background: #406280; border-color: #406280; color: #fff; }
[data-theme="dark"] .icon-moon { color: #fff; }
[data-theme="dark"] #theme-toggle:hover .icon-moon { color: #406280; }
[data-theme="dark"] #theme-toggle:hover { background: #FFBB00; border-color: #FFBB00; color: #000; }

/* theme icon visibility */
[data-theme="light"] .icon-moon,
[data-theme="dark"] .icon-sun { display: none; }

[data-theme="light"] .btn--win11 { border-color: #FF7400; }
[data-theme="dark"] .btn--win11 { border-color: #FFBB00; }

/* === HERO === */
.hero {
  padding: 2.5rem 1.5rem;
}
.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 1rem;
}
.hero-lead {
  max-width: 42rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

/* === SECTIONS === */
.section { border-bottom: none; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1.5rem 0.5rem calc(1.5rem - 4px);
  border-left: 4px solid transparent;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--fg);
  color: var(--bg);
}
.section--services .section-header { border-left: 4px solid #0088FF; }
.section--projects .section-header { border-left: 4px solid #307CBF; }
.section--status .section-header   { border-left: 4px solid #406280; }
.section--audience .section-header { border-left: 4px solid #0088FF; }

/* === AUDIENCE CARDS === */
.audience-card {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.audience-card h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.audience-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 42rem;
}
.audience-cta {
  display: inline-flex;
  margin-top: 1rem;
}

/* === SERVICES GRID === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
}
.service-card {
  padding: 1.25rem 1.5rem;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
@media (min-width: 769px) {
  .service-card:not(:nth-child(3n + 1)) {
    border-left: 1px solid var(--border);
  }
}

.service-card h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.5rem;
}
.service-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.5;
}

/* === PROJECTS TABLE === */
.projects-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.projects-table th {
  text-align: left;
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.projects-table td {
  padding: 0.6rem 1.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 0.3rem;
  vertical-align: middle;
}
.status-done { background: #40807B; }
.status-active { background: #0088FF; }

/* === STATUS GRID === */
.status-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border);
}
.status-item {
  padding: 1rem 1.5rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.status-item:last-child { border-right: none; }
.status-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.status-value { font-size: 0.85rem; }

/* === FOOTER === */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  font-family: 'Arial Narrow', 'Helvetica Condensed', 'Roboto Condensed', sans-serif;
  font-size: 0.7rem;
  font-stretch: condensed;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-legal {
  text-align: right;
}

.footer-badges {
  display: flex;
  gap: 0;
  align-items: center;
}

.badge {
  --badge-font-size: 0.6rem;
  --badge-line-height: 1.5;
  --badge-padding-y: 0.15rem;
  display: inline-block;
  padding: var(--badge-padding-y) 0.5rem;
  font-size: var(--badge-font-size);
  font-weight: 700;
  line-height: var(--badge-line-height);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--border);
}

.badge--prod {
  background: #40807B;
  color: #fff;
  border-color: #40807B;
}

.badge--version {
  background: transparent;
  color: var(--muted);
}

.badge--sitemap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  margin-right: 0.35rem;
  padding: var(--badge-padding-y) 0.4rem;
  line-height: var(--badge-line-height);
}
.badge--sitemap svg {
  width: var(--badge-font-size);
  height: var(--badge-font-size);
  display: block;
}

/* === ENGINEERING TABLE === */
.eng-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.eng-table td {
  padding: 0.5rem 1.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.eng-table td:first-child {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  width: 40%;
}

.section--eng-stack .section-header  { border-left: 4px solid #0088FF; }
.section--eng-tools .section-header  { border-left: 4px solid #2382D5; }
.section--eng-colors .section-header { border-left: 4px solid #3975AA; }
.section--eng-fonts .section-header  { border-left: 4px solid #406280; }

.eng-quote {
  padding: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--muted);
  border-left: 2px solid var(--border);
  margin: 0 1.5rem;
}
.eng-quote-source {
  padding: 0.75rem 1.5rem 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}

.eng-harmony {
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  color: var(--fg);
  border-bottom: 1px solid var(--border);
}
.eng-harmony.mono {
  font-size: 0.72rem;
}

.eng-subsection {
  padding: 1rem 0 0;
}
.eng-subsection-title {
  padding: 0.5rem 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.eng-colors {
  display: grid;
  grid-template-columns: 40% 60%;
}
.eng-color-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
}
.eng-color-swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1px solid var(--border);
}
.eng-color-label {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--muted);
}

@media (max-width: 840px) {
  .container { margin-top: 0; border-left: none; border-right: none; border-top: none; box-shadow: none; }
}
@media (max-width: 768px) {
  .header { justify-content: center; }
  .header-right { width: 100%; margin-top: 0.5rem; justify-content: center; }
  .services-grid { grid-template-columns: 1fr; }
  
  .status-grid { grid-template-columns: repeat(2, 1fr); }
  .status-item:nth-child(odd) { border-right: 1px solid var(--border); }
  .status-item:nth-child(even) { border-right: none; }
  .status-item:nth-child(n+3) { border-top: 1px solid var(--border); }
  .projects-table { font-size: 0.75rem; }
  .projects-table th, .projects-table td { padding: 0.5rem 0.75rem; }
  .status-dot { display: none; }
  .status-active-text { color: #406280; }
  .status-done-text { color: #40807B; }
  .eng-colors { grid-template-columns: 1fr; }
  .footer { flex-direction: column; gap: 0.4rem; text-align: center; align-items: center; }
  .footer-right { flex-direction: column; align-items: center; }
}
@media (max-width: 480px) {
  .status-grid { grid-template-columns: 1fr; }
  .status-item { border-right: none; border-top: none; border-bottom: 1px solid var(--border); }
  .status-item:last-child { border-bottom: none; }
  .status-item:last-child { border-bottom: none; }
}