:root {
  --dark: #0d1114;
  --dark-panel: #171b1f;
  --dark-line: #282e34;
  --amber: #f0834a;
  --amber-soft: #f4a878;
  --muted-dark: #9198a1;
  --dim-dark: #6f767d;
  --text-dark: #d9dbdd;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 2px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-dark);
  background: var(--dark);
  line-height: 1.65;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 48px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--dark-line);
  background: var(--dark);
}
.nav { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { width: 190px; height: auto; }
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { text-decoration: none; color: var(--muted-dark); font-size: .91rem; font-weight: 650; }
.nav-links a:hover { color: var(--text-dark); }
.nav-contact { border: 1px solid var(--dark-line); padding: 8px 13px; border-radius: 3px; color: var(--text-dark); }

.hero {
  padding: 96px 0 84px;
  background: var(--dark);
  background-image: linear-gradient(var(--dark-line) .5px, transparent .5px), linear-gradient(90deg, var(--dark-line) .5px, transparent .5px);
  background-size: 34px 34px;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(330px, .8fr); gap: 60px; align-items: center; }
.hero-copy { max-width: 760px; }
.hero .eyebrow { color: var(--amber); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; text-transform: none; letter-spacing: .06em; }
.eyebrow { margin: 0 0 18px; color: var(--amber); text-transform: uppercase; letter-spacing: .16em; font-size: .75rem; font-weight: 780; }
h1, h2, h3 { margin-top: 0; color: var(--text-dark); line-height: 1.2; }
h1 { margin-bottom: 26px; max-width: 650px; font-size: 2.75rem; letter-spacing: -.02em; }
h2 { margin-bottom: 20px; font-size: 2.1rem; letter-spacing: -.02em; }
h3 { margin-bottom: 10px; font-size: 1.28rem; }
.lead { max-width: 690px; margin: 0; color: var(--muted-dark); font-size: 1.18rem; }
.hero .lead { max-width: 600px; font-size: 1.05rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 19px; border-radius: 5px; background: var(--dark-panel); border: 1px solid var(--dark-line); color: var(--text-dark); text-decoration: none; font-weight: 750; }
.button.primary { background: var(--amber); border-color: var(--amber); color: #1a0e04; border-radius: 3px; }
.text-link { color: var(--text-dark); text-decoration: none; font-weight: 700; }
.text-link span { margin-left: 5px; color: var(--amber); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.hero-tags span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .68rem; color: var(--muted-dark); border: 1px solid var(--dark-line); padding: 5px 10px; border-radius: 3px; }

.system-panel { border: 1px solid var(--dark-line); border-radius: 6px; padding: 22px; background: var(--dark-panel); }
.panel-label { margin: 0 0 16px; color: var(--dim-dark); font-size: .68rem; font-weight: 650; letter-spacing: .08em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.system-row { padding: 13px 15px; border: 1px solid var(--dark-line); border-radius: 4px; background: transparent; }
.system-row.active { background: #241a10; border-color: var(--amber); }
.system-row.dimmed { border-style: dashed; border-color: var(--dark-line); opacity: .72; }
.system-row span { display: block; color: var(--text-dark); font-weight: 700; font-size: .85rem; }
.system-row small { display: block; margin-top: 4px; color: var(--dim-dark); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.system-row.active span { color: var(--amber-soft); }
.system-row.active small { color: #c98c55; }
.connector { text-align: center; color: var(--amber); font-weight: 800; padding: 3px 0; }

.section { padding: 96px 0; }
.section-head { display: grid; grid-template-columns: 1.15fr .85fr; gap: 76px; align-items: end; margin-bottom: 44px; }
.section-head > p { margin: 0 0 8px; color: var(--muted-dark); font-size: 1.02rem; }
.level-section { background: var(--dark); }
.level-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.level-card { border: 1px solid var(--dark-line); background: var(--dark-panel); padding: 30px; border-radius: 6px; }
.level-card > p:not(.case-meta) { color: var(--muted-dark); }

.problem-section { background: var(--dark-panel); }
.problem-list { border-top: 1px solid var(--dark-line); }
.problem-list article { display: grid; grid-template-columns: 72px 1fr; gap: 22px; padding: 28px 0; border-bottom: 1px solid var(--dark-line); }
.problem-list article > span { color: var(--amber); font-size: .82rem; font-weight: 700; letter-spacing: .06em; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.problem-list h3 { margin-bottom: 8px; font-size: 1.4rem; }
.problem-list p { margin: 0; max-width: 850px; color: var(--muted-dark); }

.services-section { background: var(--dark); }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--dark-line); border: 1px solid var(--dark-line); }
.service-grid article { min-height: 210px; padding: 26px; background: var(--dark); }
.service-grid p { margin-bottom: 0; color: var(--muted-dark); }

.work-section { background: var(--dark-panel); }
.work-stack { border-top: 1px solid var(--dark-line); }
.work-item { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; padding: 34px 0; border-bottom: 1px solid var(--dark-line); }
.work-item h3 { font-size: 1.45rem; }
.work-item > p { margin: 0; color: var(--muted-dark); }
.case-meta { margin: 0 0 9px; color: var(--amber-soft); text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; font-weight: 780; }

.about-section { background: var(--dark); }
.split { display: grid; grid-template-columns: .95fr 1.05fr; gap: 88px; align-items: start; }
.about-lead { margin-top: 0; font-size: 1.25rem; }
.split p:not(.eyebrow):not(.about-lead) { color: var(--muted-dark); }
.tag-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.tag { border: 1px solid var(--dark-line); border-radius: 999px; padding: 7px 11px; color: var(--muted-dark); font-size: .88rem; background: transparent; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.contact-section {
  background: var(--dark-panel);
  color: var(--text-dark);
  background-image: linear-gradient(var(--dark-line) .5px, transparent .5px), linear-gradient(90deg, var(--dark-line) .5px, transparent .5px);
  background-size: 34px 34px;
}
.contact-section h2 { color: var(--text-dark); }
.contact-section .eyebrow { color: var(--amber); }
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-intro p { margin: 0 0 14px; color: var(--muted-dark); }
.contact-meta { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--dark-line); }
.contact-meta p { margin: 0 0 10px; }
.contact-meta a { color: var(--amber-soft); text-decoration: none; text-underline-offset: 4px; }
.contact-meta a:hover { text-decoration: underline; }
.contact-meta a span { margin-left: 3px; color: var(--amber); }
.contact-panel { border: 1px solid var(--dark-line); border-radius: 8px; padding: 30px; background: var(--dark); }
.form-heading { margin: 0 0 22px; font-weight: 700; color: var(--text-dark); }
.contact-form { margin: 0; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: block; margin-bottom: 18px; color: var(--muted-dark); font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 650; }
.contact-form input, .contact-form textarea {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--dark-line);
  border-radius: 6px;
  background: var(--dark-panel);
  color: var(--text-dark);
  font: inherit;
  font-size: .95rem;
  resize: vertical;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: var(--dim-dark); }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--amber); box-shadow: 0 0 0 3px rgba(240,131,74,.18); }
.contact-form .button { margin-top: 6px; border: none; cursor: pointer; font-size: .95rem; padding: 13px 22px; gap: 8px; }
.form-note { margin: 14px 0 0; color: var(--dim-dark); font-size: .8rem; }

.simple-page { min-height: calc(100vh - 111px); display: grid; place-items: center; padding: 80px 0; background-image: linear-gradient(var(--dark-line) .5px, transparent .5px), linear-gradient(90deg, var(--dark-line) .5px, transparent .5px); background-size: 34px 34px; }
.simple-panel { max-width: 650px; padding: 38px; border: 1px solid var(--dark-line); background: var(--dark-panel); border-radius: 8px; }
.simple-panel p:not(.eyebrow) { color: var(--muted-dark); }

.site-footer { padding: 28px 0; border-top: 1px solid var(--dark-line); background: var(--dark); color: var(--dim-dark); font-size: .92rem; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-row a { text-decoration: none; }

@media (max-width: 920px) {
  .hero-grid, .section-head, .split, .contact-grid, .work-item { grid-template-columns: 1fr; gap: 38px; }
  .level-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .hero { padding: 78px 0; }
  .system-panel { max-width: 620px; }
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.85rem; }
}

@media (max-width: 700px) {
  html { scroll-padding-top: 132px; }
  .container { width: min(calc(100% - 30px), var(--max)); }
  .nav { align-items: flex-start; flex-direction: column; padding: 14px 0; gap: 12px; }
  .brand img { width: 170px; }
  .nav-links { width: 100%; justify-content: space-between; gap: 10px; overflow-x: auto; }
  .nav-links a { font-size: .82rem; white-space: nowrap; }
  .nav-contact { border: 0; padding: 0; }
  .hero { padding: 62px 0; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
  .section { padding: 72px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .problem-list article { grid-template-columns: 46px 1fr; }
  .contact-panel { padding: 24px; }
}