:root {
  --ink: #1c1917;
  --ink-soft: #44403c;
  --paper: #faf9f7;
  --surface: #ffffff;
  --muted: #78716c;
  --border: #e7e5e4;
  --border-strong: #d6d3d1;
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #ede9fe;
  --primary-muted: rgba(124, 58, 237, 0.12);
  --accent: #c2410c;
  --accent-light: #ffedd5;
  --shadow-sm: 0 1px 2px rgba(28, 25, 23, 0.06);
  --shadow-md: 0 8px 24px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 20px 48px rgba(28, 25, 23, 0.1);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --max-width: 1180px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink-soft);
  background: var(--paper);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* ─── Header ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(250, 249, 247, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
}

.brand:hover { color: var(--ink); }

.brand__mark {
  width: 42px;
  height: 42px;
  border-radius: 11px;
  flex-shrink: 0;
}

.brand__text {
  display: grid;
  gap: 0.1rem;
}

.brand__name {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand__tagline {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__list {
  display: flex;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__list a {
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav__list a:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover { transform: translateY(-1px); }

.btn--primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  background: var(--primary-dark);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--border-strong);
}

.btn--outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

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

.btn--accent:hover {
  background: #9a3412;
  color: #fff;
}

.nav__toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.65rem;
  cursor: pointer;
  color: var(--ink);
}

/* ─── Hero ─── */
.hero {
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -10%;
  width: 55%;
  height: 120%;
  background: radial-gradient(ellipse at center, var(--primary-muted) 0%, transparent 70%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.hero__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw + 1rem, 3.75rem);
  font-weight: 400;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero__title em {
  font-style: italic;
  color: var(--primary);
}

.hero__lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 52ch;
  margin: 0 0 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.meta-item dt {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.meta-item dd {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink);
  font-weight: 500;
}

.hero__panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
}

.hero__panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero__panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary);
}

.status-badge {
  padding: 0.3rem 0.7rem;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.network-viz {
  aspect-ratio: 4/3;
  background: linear-gradient(145deg, #f5f5f4 0%, var(--primary-light) 100%);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.network-viz__core {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 2;
}

.network-viz__core strong {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--primary);
}

.network-viz__core span {
  font-size: 0.62rem;
  color: var(--muted);
  margin-top: 0.2rem;
  max-width: 80px;
  line-height: 1.3;
}

.network-viz__ring {
  position: absolute;
  border: 1px dashed var(--border-strong);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}

.network-viz__ring--1 { width: 180px; height: 180px; opacity: 0.6; }
.network-viz__ring--2 { width: 240px; height: 240px; opacity: 0.35; animation-direction: reverse; animation-duration: 45s; }

.network-node {
  position: absolute;
  padding: 0.35rem 0.65rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.network-node--1 { top: 12%; left: 50%; transform: translateX(-50%); border-color: var(--primary); color: var(--primary); }
.network-node--2 { bottom: 12%; left: 50%; transform: translateX(-50%); border-color: var(--accent); color: var(--accent); }
.network-node--3 { left: 4%; top: 50%; transform: translateY(-50%); }
.network-node--4 { right: 4%; top: 50%; transform: translateY(-50%); }

.hero__panel-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.hero__panel-facts dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.hero__panel-facts dd {
  margin: 0;
  font-size: 0.82rem;
  color: var(--ink);
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Trust strip ─── */
.trust-strip {
  background: var(--ink);
  color: #d6d3d1;
  padding: 1.25rem 0;
}

.trust-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.trust-strip__item strong {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
}

.trust-strip__item span {
  font-size: 0.85rem;
  color: #fafaf9;
}

/* ─── Sections ─── */
.section {
  padding: 4.5rem 0;
}

.section--alt {
  background: var(--surface);
  border-block: 1px solid var(--border);
}

.section__head {
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section__label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2.5vw + 0.5rem, 2.5rem);
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 0.75rem;
  line-height: 1.2;
}

.section__desc {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

/* ─── Services grid ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
  grid-column: span 2;
  grid-row: span 2;
  padding: 2rem;
  background: linear-gradient(135deg, var(--surface) 60%, var(--primary-light) 100%);
}

.service-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-muted);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
  color: var(--primary);
}

.service-card__icon svg { width: 22px; height: 22px; }

.service-card__tag {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.service-card--featured h3 { font-size: 1.25rem; }

.service-card__code {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.service-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.6;
}

.service-card__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.service-card__details dt {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.service-card__details dd {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.service-card__list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.service-card__list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.service-card__list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 0.45em;
  flex-shrink: 0;
}

/* ─── About band ─── */
.about-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-band__content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2vw + 0.5rem, 2.25rem);
  font-weight: 400;
  color: var(--ink);
  margin: 0 0 1rem;
}

.about-band__content p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.about-band__facts {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.about-band__facts h3 {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}

.facts-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.facts-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
}

.facts-list div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.facts-list dt {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
}

.facts-list dd {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink);
}

/* ─── Contact CTA ─── */
.contact-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #a78bfa 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.contact-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.contact-cta__content { position: relative; }

.contact-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 2vw + 0.5rem, 2.25rem);
  font-weight: 400;
  margin: 0 0 0.75rem;
}

.contact-cta p {
  margin: 0 0 1.5rem;
  opacity: 0.88;
  max-width: 48ch;
}

.contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.contact-cta .btn--outline {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.contact-cta .btn--outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  color: #fff;
}

.contact-cta .btn--accent {
  background: #fff;
  color: var(--primary-dark);
}

.contact-cta .btn--accent:hover {
  background: var(--accent-light);
  color: var(--accent);
}

.contact-cta__info {
  position: relative;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(8px);
}

.contact-cta__info dl {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.contact-cta__info dt {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: 0.15rem;
}

.contact-cta__info dd {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
}

.contact-cta__info a {
  color: #fff;
}

.contact-cta__info a:hover {
  color: var(--accent-light);
}

/* ─── Footer ─── */
.site-footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--border);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2rem;
}

.site-footer__brand {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.site-footer p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  max-width: 52ch;
  line-height: 1.6;
}

.site-footer__links {
  display: grid;
  gap: 0.35rem;
  text-align: right;
  font-size: 0.82rem;
}

.site-footer__links a {
  color: var(--muted);
}

.site-footer__links a:hover { color: var(--primary); }

.site-footer__copy {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

/* ─── Animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  animation: reveal 0.7s ease forwards;
}

.reveal--delay-1 { animation-delay: 0.1s; }
.reveal--delay-2 { animation-delay: 0.2s; }
.reveal--delay-3 { animation-delay: 0.3s; }

@keyframes reveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
  .hero__grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card--featured { grid-column: span 2; grid-row: span 1; }
  .about-band { grid-template-columns: 1fr; }
  .contact-cta { grid-template-columns: 1fr; padding: 2rem; }
  .trust-strip__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .nav__list, .nav .btn--primary { display: none; }
  .nav__toggle { display: block; }

  .nav__list[data-open="1"] {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 1rem;
    right: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    gap: 0.75rem;
  }

  .hero { padding-top: 2.5rem; }
  .hero__meta { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--featured { grid-column: span 1; }
  .trust-strip__grid { grid-template-columns: 1fr; gap: 1rem; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__links { text-align: left; }
  .facts-list div { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { animation: none; opacity: 1; transform: none; }
  .network-viz__ring { animation: none; }
  html { scroll-behavior: auto; }
}

/* ─── Legal pages ─── */
.legal-page {
  padding: 4rem 0 5rem;
  min-height: calc(100vh - var(--header-h) - 200px);
}

.legal-page__container {
  max-width: 760px;
}

.legal-page__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3vw + 0.5rem, 2.75rem);
  font-weight: 400;
  color: var(--ink);
  margin: 0;
  line-height: 1.2;
}