/* Palette from SOMOS.tech (apps/web/src/index.css): navy with green and cyan. */
:root {
  --bg: #051323;          /* somos-navy */
  --surface: #0a1f35;     /* somos-navy-card */
  --surface-2: #0e2742;
  --text: #eaf1f8;
  --heading: #ffffff;
  --muted: #b8c5d3;       /* ink-secondary */
  --subtle: #8394a7;      /* somos-light-gray */
  --rule: #1d3249;
  --green: #00ff91;       /* somos-green */
  --cyan: #02dbff;        /* somos-cyan */
  --amber: #ffc832;       /* journey-xp */
  --green-soft: #052b2e;  /* green at 10% on navy */
  --cyan-soft: #05273a;   /* cyan at 10% on navy */
  --amber-soft: #232925;  /* amber at 12% on navy */
  --brand-gradient: linear-gradient(90deg, var(--green), var(--cyan));
  --measure: 44rem;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
  color-scheme: dark;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 1.0625rem/1.65 var(--font);
  border-top: 3px solid transparent;
  border-image: var(--brand-gradient) 1;
}

::selection { background: var(--green); color: var(--bg); }

a { color: var(--green); text-underline-offset: 0.18em; }
a:hover { color: var(--cyan); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }

.skip {
  position: absolute;
  left: -999px;
  top: 0.5rem;
  background: var(--green);
  color: var(--bg);
  padding: 0.5rem 0.9rem;
  font-weight: 600;
}
.skip:focus { left: 1rem; }

.site-header, main, .site-footer {
  width: 100%;
  max-width: calc(var(--measure) + 2rem);
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  align-items: baseline;
  justify-content: space-between;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.wordmark { font-weight: 700; color: var(--heading); text-decoration: none; letter-spacing: -0.01em; }
.wordmark:hover { color: var(--green); }
.site-header nav { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; }
.site-header nav a { color: var(--muted); text-decoration: none; font-size: 0.95rem; }
.site-header nav a:hover { color: var(--green); }

main { padding-bottom: 3rem; }

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.015em; color: var(--heading); }
h1 { font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.7rem); margin: 1.25rem 0 1rem; }
h1 .grad {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
h2 { font-size: 1.45rem; margin: 3rem 0 0.75rem; }
h2::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  margin-bottom: 0.9rem;
  background: var(--brand-gradient);
  border-radius: 2px;
}
h3 { font-size: 1.1rem; margin: 2rem 0 0.5rem; }
p, ul, ol { margin: 0 0 1.1rem; }
li { margin-bottom: 0.45rem; }
strong { font-weight: 650; color: var(--heading); }
code { font-family: var(--mono); font-size: 0.9em; background: var(--surface); padding: 0.1em 0.35em; border-radius: 4px; }

.lede { font-size: 1.2rem; color: var(--muted); max-width: 40rem; }
.eyebrow { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan); margin: 0; }
.meta { color: var(--subtle); font-size: 0.95rem; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.5rem 0; }

/* Home: at-a-glance tiles */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); gap: 0.75rem; margin: 1.75rem 0; padding: 0; list-style: none; }
.facts li { margin: 0; padding: 0.95rem 1rem; background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; }
.facts b { display: block; font-size: 1.2rem; color: var(--green); letter-spacing: -0.01em; }
.facts span { color: var(--muted); font-size: 0.93rem; }

/* Home: impact groups */
.impact { display: grid; gap: 1rem; }
.impact-group { background: var(--surface); border: 1px solid var(--rule); border-left: 3px solid var(--cyan); border-radius: 0 10px 10px 0; padding: 1.1rem 1.25rem 0.4rem; }
.impact-group:nth-child(even) { border-left-color: var(--green); }
.impact-group h3 { margin: 0 0 0.7rem; font-size: 1.05rem; }
.impact-group ul { padding-left: 1.1rem; }
.impact-group li::marker { color: var(--cyan); }

/* Home: how I work */
.principles { margin: 0; }
.principles dt { font-weight: 700; color: var(--heading); margin-top: 1.1rem; }
.principles dt::before { content: "→ "; color: var(--green); }
.principles dd { margin: 0.25rem 0 0; color: var(--muted); }

/* Home: case study list */
.work-list { list-style: none; padding: 0; margin: 0; }
.work-list li { margin: 0; }
.work-card {
  display: block;
  padding: 1.25rem 1.25rem 1.1rem;
  border: 1px solid var(--rule);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, var(--rule), var(--rule)) border-box;
}
.work-card:hover { border-color: transparent; background: linear-gradient(var(--surface-2), var(--surface-2)) padding-box, var(--brand-gradient) border-box; color: var(--text); }
.work-card h3 { margin: 0.35rem 0 0.4rem; color: var(--heading); }
.work-card:hover h3 { color: var(--green); }
.work-card p { margin: 0; color: var(--muted); }
.work-card .tags { margin-top: 0.75rem; font-size: 0.85rem; color: var(--subtle); }

/* Case study */
.summary {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-top: 3px solid transparent;
  border-image: var(--brand-gradient) 1;
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0 2rem;
}
.summary h2 { margin-top: 0; font-size: 1.05rem; }
.summary h2::before { display: none; }
.summary ul { margin-bottom: 0; }
.summary li::marker { color: var(--green); }

.callout { border-left: 3px solid var(--amber); background: var(--amber-soft); padding: 0.9rem 1.1rem; border-radius: 0 8px 8px 0; margin: 1.5rem 0; }
.callout p:last-child { margin-bottom: 0; }

table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; font-size: 0.95rem; }
.table-wrap { overflow-x: auto; }
th, td { text-align: left; padding: 0.55rem 0.6rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-weight: 700; color: var(--cyan); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }

figure { margin: 2rem 0; }
figcaption { color: var(--subtle); font-size: 0.9rem; margin-top: 0.6rem; }

/* Pipeline diagram (inline SVG, colors from the tokens above) */
.diagram { width: 100%; max-width: 30rem; height: auto; display: block; margin: 0 auto; }
.diagram .box { fill: var(--surface); stroke: var(--rule); stroke-width: 1.5; }
.diagram .box-agent { fill: var(--cyan-soft); stroke: var(--cyan); }
.diagram .box-human { fill: var(--amber-soft); stroke: var(--amber); }
.diagram .box-ok { fill: var(--green-soft); stroke: var(--green); }
.diagram text { fill: var(--heading); font: 600 13px var(--font); }
.diagram .sub { fill: var(--muted); font: 400 11.5px var(--font); }
.diagram .edge { stroke: var(--subtle); stroke-width: 1.5; fill: none; }
.diagram .edge-label { fill: var(--subtle); font: 400 11px var(--font); }
.diagram .arrowhead { fill: var(--subtle); }
.diagram .boundary { fill: none; stroke: var(--amber); stroke-width: 1.5; stroke-dasharray: 6 5; }
.diagram .boundary-label { fill: var(--amber); font: 600 11px var(--font); }
.diagram .label-bg { fill: var(--bg); }

.site-footer { border-top: 1px solid var(--rule); padding-top: 1.25rem; padding-bottom: 2rem; color: var(--subtle); font-size: 0.9rem; }
.site-footer p { margin: 0 0 0.35rem; }

@media (max-width: 480px) {
  body { font-size: 1rem; }
  .lede { font-size: 1.1rem; }
  .impact-group { padding: 1rem 1rem 0.3rem; }
}