/* adversaria.dev — merged light-first direction. Static CSS only, self-hosted fonts. */

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/SpaceGrotesk.woff2") format("woff2");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/IBMPlexMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono";
  src: url("assets/fonts/IBMPlexMono-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f4f5f5;
  --ink: #111415;
  --muted: #566065;
  --line: rgba(0, 0, 0, 0.15);
  --accent: #ff7448;
  --accent-hover: #e66238;
  --accent-ink: #111415;
  --band: #101314;
  --band-panel: #0c0e0f;
  --band-text: #eef1f0;
  --band-muted: #9aa8ad;
  --band-line: rgba(255, 255, 255, 0.16);
  --sans: "Space Grotesk", Arial, Helvetica, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

p { margin: 0 0 1em; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.6px;
  padding: 10px 16px;
  text-decoration: none;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* Dark band: header + hero + ledger (the single dark region above the footer) */

.site-header {
  background: var(--band);
  color: var(--band-text);
  border-bottom: 1px solid var(--band-line);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--band-text);
  white-space: nowrap;
}

.brand-mark {
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1;
  padding: 6px 8px;
  border: 1px solid var(--band-line);
}

.brand-word {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
}

.brand-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin-left: 5px;
}

.site-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
}

.site-nav a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--band-muted);
  text-decoration: none;
}

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

.header-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--band-text);
  text-decoration: none;
  border: 1px solid var(--band-line);
  padding: 9px 16px;
  white-space: nowrap;
}

.header-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero + ledger, two columns inside the dark band */

.band {
  background: var(--band);
  color: var(--band-text);
}

.band .eyebrow { color: var(--band-muted); }

.hero-copy{min-width:0}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 64px;
  align-items: start;
  padding-top: 88px;
  padding-bottom: 104px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(44px, 5.2vw, 76px);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 24px;
  max-width: 14ch;
}

.lead {
  font-size: 18px;
  line-height: 1.7;
  max-width: 54ch;
  color: var(--band-muted);
  margin: 0 0 36px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 0 0 32px;
}

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: -0.01em;
  padding: 13px 24px;
  text-decoration: none;
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-accent:hover { background: var(--accent-hover); }

.btn-outline {
  border: 1px solid var(--band-line);
  color: var(--band-text);
}

.btn-outline:hover { border-color: rgba(255, 255, 255, 0.45); }

.scope-line {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--band-muted);
  border-top: 1px solid var(--band-line);
  padding-top: 18px;
  margin: 0;
}

/* Proof ledger panel */

.ledger-panel {
  background: var(--band-panel);
  border: 1px solid var(--band-line);
  padding: 28px;
}

.ledger-panel .eyebrow { color: var(--accent); }

.ledger-panel h2 {
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.02em;
  max-width: none;
  margin: 0 0 12px;
}

.ledger-panel .body-copy {
  font-size: 14px;
  color: var(--band-muted);
}

.ledger-rows {
  list-style: none;
  margin: 26px 0 20px;
  padding: 0;
  border-top: 1px solid var(--band-line);
  border-bottom: 1px solid var(--band-line);
}

.ledger-row {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--band-text);
  padding: 13px 0;
  border-bottom: 1px solid var(--band-line);
  display: flex;
  align-items: center;
  gap: 12px;
}

.ledger-row:last-child { border-bottom: none; }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  animation: pulse 4s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.35; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .dot {
    animation: none;
    opacity: 1;
  }
}

.fine-print {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--band-muted);
  margin: 0;
}

/* Light paper sections */

.section .inner {
  padding-top: 96px;
  padding-bottom: 96px;
}

h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(28px, 3.2vw, 40px);
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin: 0 0 20px;
  max-width: 22ch;
}

.body-copy {
  max-width: 62ch;
  font-size: 16px;
}

/* Services: full-width horizontal rows */

.service-rows {
  border-top: 1px solid var(--line);
  margin-top: 12px;
}

.service-row {
  display: grid;
  grid-template-columns: minmax(220px, 4fr) minmax(0, 6fr) minmax(180px, 3fr);
  gap: 32px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid var(--line);
}

.service-id .eyebrow { margin: 0 0 10px; }

.service-row h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 12px;
}

.row-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-decoration: none;
}

.row-cta:hover { text-decoration: underline; }

.service-desc {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 56ch;
}

.service-price {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink);
  text-align: right;
  margin: 6px 0 0;
}

.muted-line {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 24px 0 0;
}

/* Method: framed inset box with horizontal 4-step strip */

.method-inset {
  border: 1px solid var(--line);
  background: #ffffff;
  padding: clamp(28px, 4vw, 56px);
}

.method-inset h2 { max-width: none; }

.method-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  margin: 36px 0 8px;
}

.step {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 24px 22px 26px;
}

.step-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 0 0 12px;
}

.step h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 19px;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 8px;
}

.step p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
}

.never-head {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.02em;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin: 36px 0 8px;
}

.never-line {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  max-width: none;
  margin: 0;
}

/* Open source: full-width hairline rows */

.oss-intro {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 32px;
}

.oss-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.oss-row {
  display: grid;
  grid-template-columns: minmax(200px, 3fr) minmax(0, 8fr) auto;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.oss-name {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  margin: 0;
}

.oss-desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.oss-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
}

.oss-link:hover { text-decoration: underline; }

/* About */

#about { border-top: 1px solid var(--line); }

.about-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: start;
}

.about-grid .body-copy {
  font-size: 17px;
  max-width: 60ch;
}

/* Footer (dark) */

.site-footer {
  background: var(--band);
  color: var(--band-text);
  border-top: 1px solid var(--band-line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  padding-top: 44px;
  padding-bottom: 52px;
}

.footer-left p {
  margin: 0 0 6px;
  font-size: 14px;
}

.mono-note {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--band-muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--band-muted);
  text-decoration: none;
}

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

/* Legal pages (impressum / privacy / terms) — light paper, dark header/footer shells */

.legal-main {
  max-width: 840px;
  margin: 0 auto;
  padding: 80px 24px 104px;
}

.legal-main h1 {
  font-size: clamp(36px, 4.6vw, 56px);
  max-width: none;
}

.legal-main .lead {
  color: var(--muted);
  max-width: 60ch;
  margin-bottom: 56px;
}

.legal-section {
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 8px 32px;
  padding: 28px 0 32px;
}

.legal-num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin: 6px 0 0;
}

.legal-section h2 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 18px;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0 0 8px;
  max-width: none;
}

.legal-section p {
  margin: 0;
  max-width: 62ch;
}

.legal-main a {
  color: var(--accent);
  text-decoration: none;
}

.legal-main a:hover { text-decoration: underline; }

.legal-fine {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin: 8px 0 0;
  padding-top: 20px;
}

.legal .footer-links span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--band-muted);
}

/* Responsive */

@media (max-width: 1020px) {
  .header-inner { gap: 20px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 64px;
    padding-bottom: 72px;
  }
  .method-grid { grid-template-columns: 1fr 1fr; }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .oss-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 18px 0;
  }
  .oss-link { justify-self: start; }
}

@media (max-width: 800px) {
  .header-inner {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 20px;
  }
  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    flex-wrap: wrap;
    gap: 14px;
    padding: 6px 0 2px;
  }
  .header-cta { margin-left: auto; }
  .section .inner {
    padding-top: 64px;
    padding-bottom: 64px;
  }
  .service-row {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 32px 0;
  }
  .method-grid { grid-template-columns: 1fr; }
  .ledger-panel { padding: 22px; }
  .ledger-row { letter-spacing: 0.1em; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .legal-main { padding: 48px 20px 72px; }
  .legal-section {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .legal-num { margin: 0; }
}