:root {
  color-scheme: dark;
  --bg: #050b11;
  --bg-raised: #09131d;
  --panel: #0d1a25;
  --panel-soft: rgba(15, 31, 44, 0.72);
  --line: rgba(132, 205, 227, 0.18);
  --line-strong: rgba(88, 225, 255, 0.42);
  --text: #f4f8fb;
  --muted: #a5b6c2;
  --cyan: #5ce8ff;
  --cyan-dark: #103a47;
  --amber: #ffb055;
  --danger: #ffb3a7;
  --max: 1240px;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 85% 5%, rgba(41, 178, 214, 0.12), transparent 32rem),
    radial-gradient(circle at 5% 42%, rgba(255, 176, 85, 0.07), transparent 26rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration-color: rgba(92, 232, 255, 0.5); text-underline-offset: 0.24em; }
a:hover { text-decoration-color: var(--cyan); }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.035em; }
h1 { max-width: 19ch; margin-bottom: 1.4rem; font-size: clamp(2.65rem, 7.4vw, 6.5rem); font-weight: 680; }
h2 { margin-bottom: 1.5rem; font-size: clamp(2rem, 4.6vw, 4rem); font-weight: 630; }
h3 { font-size: clamp(1.25rem, 2vw, 1.65rem); }
ul, ol { padding-left: 1.25rem; }
code { padding: 0.1em 0.34em; border: 1px solid var(--line); border-radius: 5px; background: var(--bg-raised); color: var(--cyan); }

.container { width: min(calc(100% - 2.25rem), var(--max)); margin-inline: auto; }
.narrow { max-width: 880px; }
.narrow-wide { max-width: 980px; }
.section { position: relative; padding-block: clamp(4.5rem, 9vw, 9rem); border-top: 1px solid var(--line); }
.section-tonal { background: linear-gradient(145deg, rgba(9, 22, 32, 0.96), rgba(5, 11, 17, 0.65)); }
.section-cta { background: linear-gradient(120deg, rgba(22, 69, 82, 0.7), rgba(16, 29, 39, 0.86)); }
.section-index, .eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.lead { max-width: 760px; color: #d4e1e8; font-size: clamp(1.15rem, 2.2vw, 1.5rem); }
.lead-small { max-width: 700px; color: #d4e1e8; font-size: 1.2rem; }
.competencies { max-width: 700px; color: var(--muted); letter-spacing: 0.025em; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; top: 0.75rem; left: 0.75rem; transform: translateY(-160%); padding: 0.7rem 1rem; border-radius: 8px; background: var(--text); color: var(--bg); }
.skip-link:focus { transform: none; }

.staging-banner { padding: 0.5rem 1rem; border-bottom: 1px solid rgba(255, 176, 85, 0.35); background: #2e210f; color: #ffe1b6; text-align: center; font-size: 0.76rem; letter-spacing: 0.04em; }
.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid var(--line); background: rgba(5, 11, 17, 0.86); backdrop-filter: blur(18px); }
.header-inner { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--text); font-weight: 780; letter-spacing: 0.09em; text-decoration: none; }
.brand-mark { display: grid; width: 34px; aspect-ratio: 1; place-items: center; border: 1px solid var(--line-strong); border-radius: 10px; background: linear-gradient(145deg, rgba(92, 232, 255, 0.13), rgba(255, 176, 85, 0.08)); color: var(--cyan); }
.main-navigation { display: flex; align-items: center; gap: 1.2rem; }
.main-navigation a { color: var(--muted); font-size: 0.94rem; text-decoration: none; }
.main-navigation a:hover, .main-navigation a[aria-current="page"] { color: var(--text); }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--text); padding: 0.55rem 0.9rem; }

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  background: var(--cyan);
  color: #031018;
  font-weight: 720;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 10px 32px rgba(92, 232, 255, 0.18); }
.button-secondary { background: transparent; color: var(--text); }
.button-small { min-height: 38px; padding: 0.45rem 0.9rem; font-size: 0.88rem; }
.hero-actions, .card-actions, .section-heading, .about-teaser { display: flex; align-items: center; gap: 1rem; }
.hero-actions { flex-wrap: wrap; margin-top: 2rem; }

.hero, .page-hero { padding-block: clamp(4.75rem, 11vw, 10rem); overflow: hidden; }
.home-hero { min-height: calc(100svh - 76px); display: grid; align-items: center; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.hero-copy { position: relative; z-index: 2; }
.hero-visual-stack { display: grid; grid-template-columns: 0.72fr 1fr; align-items: end; gap: 1rem; }
.hero-visual-stack > :first-child { transform: translateY(2rem); }
.page-hero { border-bottom: 1px solid var(--line); background: linear-gradient(160deg, rgba(12, 31, 43, 0.78), rgba(5, 11, 17, 0.2)); }
.article-hero h1 { font-size: clamp(2.5rem, 6vw, 5.2rem); }
.back-link { display: block; margin-bottom: 2rem; color: var(--muted); }

.visual { width: 100%; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.visual picture, .visual img { display: block; width: 100%; height: 100%; }
.visual img { object-fit: cover; }
.visual-ready { background: #050b11; }
.visual-portrait { aspect-ratio: 4 / 5; }
.visual-hero_scene { aspect-ratio: 16 / 9; }
.visual-transition_scene { aspect-ratio: 3 / 2; }
.visual-slot { position: relative; display: grid; min-height: 250px; place-items: center; background: linear-gradient(145deg, rgba(13, 31, 43, 0.95), rgba(5, 13, 20, 0.95)); }
.slot-grid { position: absolute; inset: 0; opacity: 0.38; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 36px 36px; mask-image: radial-gradient(circle at center, black, transparent 82%); }
.visual-slot::before, .visual-slot::after { content: ""; position: absolute; inset: 8%; border: 1px solid rgba(92, 232, 255, 0.16); }
.visual-slot::after { inset: 20%; border-color: rgba(255, 176, 85, 0.16); }
.visual-slot figcaption { position: relative; z-index: 1; display: grid; max-width: 75%; gap: 0.35rem; padding: 1rem; text-align: center; }
.visual-slot figcaption span { color: var(--cyan); font-size: 0.7rem; letter-spacing: 0.16em; }
.visual-slot figcaption strong { font-size: 1.05rem; }
.visual-slot figcaption small { color: var(--muted); }

.direction-grid, .service-grid, .article-grid, .feature-grid { display: grid; gap: 1rem; }
.direction-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.direction-grid-large .direction-card { min-height: 340px; }
.direction-card, .service-card, .article-card, .feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(15, 31, 43, 0.88), rgba(8, 18, 27, 0.82));
  box-shadow: 0 16px 52px rgba(0, 0, 0, 0.16);
}
.direction-card { min-height: 290px; padding: 1.5rem; }
.direction-card p, .service-card p, .article-card p { color: var(--muted); }
.direction-card .card-actions, .direction-card .text-link { margin-top: auto; }
.direction-number, .article-number { margin-bottom: 2rem; color: var(--cyan); font-family: ui-monospace, monospace; }
.service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.service-card { min-height: 340px; padding: 1.35rem; }
.service-card-top { flex: 1; }
.service-facts { display: grid; gap: 0.55rem; margin: 1rem 0; padding-top: 1rem; border-top: 1px solid var(--line); }
.service-facts div { display: grid; grid-template-columns: 5rem 1fr; gap: 0.75rem; }
.service-facts dt { color: var(--muted); }
.service-facts dd { margin: 0; }
.service-card .card-actions { justify-content: space-between; margin-top: auto; }
.service-availability-note { color: var(--muted); font-size: 0.88rem; }
.catalog-hash { display: block; overflow-wrap: anywhere; color: var(--muted); font-family: ui-monospace, monospace; font-size: 0.72rem; }
.article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article-grid-large { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.article-card { min-height: 280px; padding: 1.5rem; }
.article-card .text-link { margin-top: auto; }
.feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.feature-card { padding: clamp(1.4rem, 3vw, 2.3rem); }
.feature-card ul { color: var(--muted); }

.split-heading, .process-grid { display: grid; grid-template-columns: minmax(250px, 0.7fr) minmax(0, 1.3fr); gap: clamp(2rem, 7vw, 7rem); }
.solution-list { display: grid; }
.solution-list article { display: grid; grid-template-columns: minmax(140px, 0.45fr) 2rem minmax(0, 1fr); align-items: baseline; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid var(--line); }
.solution-list p { margin: 0; color: var(--muted); }
.steps { display: grid; margin: 0; padding: 0; list-style: none; }
.steps li { display: grid; grid-template-columns: 3rem 1fr; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid var(--line); }
.steps span { color: var(--cyan); font-family: ui-monospace, monospace; }
.steps p { margin: 0; }
.process-grid .visual { grid-column: 1 / -1; margin-top: 2rem; }
.section-heading { justify-content: space-between; margin-bottom: 2rem; }
.about-teaser { justify-content: space-between; }
.about-teaser p { max-width: 720px; color: var(--muted); }
.feature-panel { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 3rem; }
.signal-diagram { display: flex; align-items: center; gap: 0.65rem; color: var(--muted); font-size: 0.8rem; }
.signal-diagram span { padding: 0.5rem 0.7rem; border: 1px solid var(--line); border-radius: 999px; }
.signal-diagram i { width: 24px; height: 1px; background: var(--cyan); }
.large-list { margin: 0; padding: 0; list-style: none; }
.large-list li { padding: 1rem 0; border-bottom: 1px solid var(--line); font-size: clamp(1.05rem, 2vw, 1.35rem); }
.service-duration-note, .price-duration-note { padding: 1rem 1.1rem; border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(16, 58, 71, 0.34); color: #d4e1e8; }
.price-duration-note { margin-bottom: 1.5rem; }

.price-controls { position: sticky; z-index: 10; top: 88px; margin-bottom: 2rem; padding: 1rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(6, 14, 21, 0.94); backdrop-filter: blur(14px); }
.search-field { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.85rem; }
.search-field input, .contact-form input, .contact-form select, .contact-form textarea, .chat-composer textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 12px; outline: none; background: rgba(3, 10, 15, 0.72); color: var(--text); padding: 0.8rem 0.9rem;
}
.search-field input:focus, .contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus, .chat-composer textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(92, 232, 255, 0.11); }
.filter-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.8rem; }
.filter-button { border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--muted); padding: 0.45rem 0.7rem; cursor: pointer; }
.filter-button.active { border-color: var(--cyan); background: var(--cyan-dark); color: var(--text); }
.result-count { margin: 0.7rem 0 0; color: var(--muted); font-size: 0.85rem; }
.price-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.empty-state { padding: 2rem; border: 1px dashed var(--line-strong); border-radius: var(--radius); color: var(--muted); text-align: center; }

.article-layout { display: grid; grid-template-columns: 260px minmax(0, 760px); justify-content: center; gap: clamp(2rem, 6vw, 6rem); padding-block: clamp(4rem, 8vw, 8rem); }
.article-toc { position: sticky; top: 108px; align-self: start; padding: 1.2rem; border: 1px solid var(--line); border-radius: 16px; background: var(--panel-soft); }
.article-toc ol { margin-bottom: 0; color: var(--muted); }
.article-toc li + li { margin-top: 0.6rem; }
.prose { max-width: 760px; }
.prose section + section { margin-top: 4rem; }
.prose p, .prose li { color: #cad8df; font-size: 1.05rem; }
.prose li + li { margin-top: 0.5rem; }
.article-conclusion { margin-top: 4rem; padding: 1.5rem; border-left: 3px solid var(--amber); background: rgba(255, 176, 85, 0.08); }
.legal-prose { padding-block: 1rem; }

.consultant-section { background: radial-gradient(circle at 50% 0%, rgba(44, 193, 224, 0.12), transparent 34rem); }
.consultant-intro { max-width: 800px; margin-bottom: 2rem; }
.contact-card, .chat-shell { display: grid; grid-template-columns: minmax(220px, 0.68fr) minmax(0, 1.32fr); gap: clamp(1.5rem, 5vw, 5rem); padding: clamp(1.25rem, 4vw, 3.5rem); border: 1px solid var(--line-strong); border-radius: calc(var(--radius) + 6px); background: linear-gradient(145deg, rgba(13, 31, 43, 0.98), rgba(5, 13, 20, 0.96)); box-shadow: var(--shadow); }
.contact-form { display: grid; gap: 1rem; }
.contact-form label { display: grid; gap: 0.35rem; }
.contact-form small { color: var(--muted); }
.consent-row { grid-template-columns: auto 1fr; align-items: start; }
.consent-row input { width: 1.05rem; margin-top: 0.35rem; }
.form-status { min-height: 1.6em; margin: 0; color: var(--muted); }
.direct-contacts { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); }
.chat-shell { grid-template-columns: 1fr; }
.chat-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.chat-log { display: grid; min-height: 280px; max-height: 520px; gap: 0.75rem; overflow-y: auto; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: rgba(3, 10, 15, 0.5); }
.chat-message { max-width: 78%; padding: 0.8rem 1rem; border-radius: 16px; background: var(--panel); white-space: pre-wrap; }
.chat-message-user { justify-self: end; background: var(--cyan-dark); }
.chat-quick-prompts { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.chat-quick-prompt { padding: 0.55rem 0.8rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; color: var(--text); cursor: pointer; }
.chat-quick-prompt:hover, .chat-quick-prompt:focus-visible { border-color: var(--cyan); color: var(--cyan); }
.chat-composer { display: grid; grid-template-columns: 1fr auto; gap: 0.75rem; }
.chat-composer textarea { min-height: 52px; resize: vertical; }

.site-footer { padding-top: 4rem; border-top: 1px solid var(--line); background: #03080d; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.7fr 1fr; gap: 3rem; }
.footer-grid nav, .footer-contacts { display: grid; align-content: start; gap: 0.65rem; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 3rem; padding-block: 1.2rem; border-top: 1px solid var(--line); font-size: 0.78rem; }

@media (max-width: 980px) {
  .hero-grid, .split-heading, .process-grid, .feature-panel { grid-template-columns: 1fr; }
  .direction-grid, .article-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signal-diagram { flex-wrap: wrap; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 1.25rem), var(--max)); }
  .section { padding-block: 4.5rem; }
  .menu-toggle { display: block; }
  .main-navigation { position: absolute; top: calc(100% + 1px); right: 0.65rem; left: 0.65rem; display: none; align-items: stretch; padding: 1rem; border: 1px solid var(--line); border-radius: 0 0 18px 18px; background: rgba(5, 11, 17, 0.98); box-shadow: var(--shadow); }
  .main-navigation.open { display: grid; }
  .main-navigation a { padding: 0.55rem; }
  .hero-grid { gap: 3rem; }
  .hero-visual-stack { grid-template-columns: 0.72fr 1fr; }
  .visual-hero_scene, .visual-transition_scene { aspect-ratio: 4 / 5; }
  .direction-grid, .service-grid, .article-grid, .article-grid-large, .feature-grid, .price-list, .contact-card { grid-template-columns: 1fr; }
  .solution-list article { grid-template-columns: 1fr; gap: 0.3rem; }
  .solution-list article > span { display: none; }
  .section-heading, .about-teaser { align-items: flex-start; flex-direction: column; }
  .price-controls { position: static; }
  .contact-card { padding: 1.15rem; }
  .chat-composer { grid-template-columns: 1fr; }
  .chat-message { max-width: 90%; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .site-header, .site-footer, .staging-banner, .button, .price-controls { display: none !important; }
  body { background: #fff; color: #000; }
  .section, .page-hero { border-color: #ddd; }
}