:root {
  color-scheme: dark;
  --background: #020617;
  --foreground: #f8fafc;
  --muted: #94a3b8;
  --muted-strong: #cbd5e1;
  --card: #0f172a;
  --card-soft: #111827;
  --border: rgba(148, 163, 184, 0.22);
  --cyan: #06b6d4;
  --cyan-strong: #0891b2;
  --cyan-soft: rgba(6, 182, 212, 0.14);
  --ring: rgba(34, 211, 238, 0.34);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(6, 182, 212, 0.16), transparent 34rem),
    linear-gradient(180deg, #020617 0%, #07111f 48%, #020617 100%);
  color: var(--foreground);
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(2, 6, 23, 0.82);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--foreground);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #ecfeff;
  background: linear-gradient(135deg, var(--cyan), #164e63);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  font-size: 0.82rem;
  box-shadow: 0 12px 32px rgba(6, 182, 212, 0.28);
}

.nav,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.nav {
  justify-content: flex-end;
  color: var(--muted-strong);
  font-size: 0.94rem;
}

.nav a,
.footer a {
  text-decoration: none;
}

.nav a:hover,
.footer a:hover {
  color: #67e8f9;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.88fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  min-height: calc(100svh - 72px);
  padding: clamp(52px, 8vw, 104px) clamp(20px, 5vw, 72px) clamp(48px, 7vw, 88px);
}

.hero h1,
.section h2,
.contact h2 {
  margin: 0;
  max-width: 940px;
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 5.5rem);
}

.section h2,
.contact h2 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.lead {
  max-width: 760px;
  color: var(--muted-strong);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.eyebrow {
  display: inline-flex;
  width: fit-content;
  margin: 0 0 14px;
  padding: 6px 10px;
  color: #a5f3fc;
  background: var(--cyan-soft);
  border: 1px solid rgba(103, 232, 249, 0.2);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-weight: 750;
  text-decoration: none;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

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

.button.primary {
  color: #02131a;
  background: #67e8f9;
  border-color: #67e8f9;
}

.button.secondary {
  color: #e0faff;
  background: rgba(8, 145, 178, 0.16);
  border-color: rgba(103, 232, 249, 0.28);
}

.button.ghost {
  color: var(--foreground);
  background: transparent;
}

.hero-panel {
  display: grid;
  gap: 14px;
  padding: 14px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric,
.mini-card {
  padding: 20px;
  background: rgba(2, 6, 23, 0.58);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.metric {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.22), rgba(15, 23, 42, 0.88));
}

.metric-label {
  display: block;
  color: #a5f3fc;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.mini-card strong,
.mini-card span {
  display: block;
}

.mini-card span {
  margin-top: 4px;
  color: var(--muted);
}

.section {
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

.section.alt {
  background: rgba(15, 23, 42, 0.54);
  border-block: 1px solid var(--border);
}

.section-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 34px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  min-height: 280px;
  padding: 24px;
  background: rgba(15, 23, 42, 0.74);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.card.featured {
  border-color: rgba(103, 232, 249, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 18px 60px rgba(8, 145, 178, 0.12);
}

.badge {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 5px 9px;
  color: #cffafe;
  background: rgba(8, 145, 178, 0.18);
  border: 1px solid rgba(103, 232, 249, 0.22);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.card h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
}

.card p,
.contact p,
.steps,
.project small {
  color: var(--muted);
}

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.project {
  display: grid;
  gap: 8px;
  padding: 22px;
  background: rgba(2, 6, 23, 0.55);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
}

.project:hover {
  border-color: rgba(103, 232, 249, 0.45);
}

.project span {
  color: #f8fafc;
  font-size: 1.16rem;
  font-weight: 800;
}

.steps {
  display: grid;
  max-width: 960px;
  gap: 16px;
  margin: 0;
  padding-left: 22px;
  font-size: 1.06rem;
}

.article-page {
  padding: clamp(44px, 7vw, 84px) clamp(20px, 5vw, 72px) 0;
}

.article-hero {
  max-width: 1040px;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.article-hero h1 {
  margin: 0;
  max-width: 1080px;
  font-size: clamp(2.25rem, 5vw, 4.9rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(180px, 260px) minmax(0, 880px);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.article-toc {
  position: sticky;
  top: 98px;
  display: grid;
  gap: 10px;
  padding: 18px;
  color: var(--muted-strong);
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.article-toc strong {
  color: var(--foreground);
}

.article-toc a {
  color: var(--muted-strong);
  text-decoration: none;
}

.article-toc a:hover {
  color: #67e8f9;
}

.article-content {
  color: var(--muted-strong);
  font-size: clamp(1rem, 1.7vw, 1.09rem);
}

.article-content h2,
.article-content h3 {
  color: var(--foreground);
  line-height: 1.12;
  letter-spacing: 0;
}

.article-content h2 {
  margin: 44px 0 14px;
  font-size: clamp(1.75rem, 3vw, 2.55rem);
}

.article-content h3 {
  margin: 30px 0 10px;
  font-size: 1.32rem;
}

.article-content p,
.article-content li {
  max-width: 78ch;
}

.article-content a {
  color: #67e8f9;
}

.article-content pre,
.article-content blockquote {
  max-width: 78ch;
  margin: 24px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.article-content pre {
  overflow-x: auto;
  padding: 18px;
  color: #cffafe;
  background: rgba(2, 6, 23, 0.72);
}

.article-content code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.article-content blockquote {
  padding: 18px 20px;
  color: #e0faff;
  background: rgba(8, 145, 178, 0.12);
}

.faq-section {
  margin-top: 48px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.answer-box,
.internal-links {
  max-width: 78ch;
  margin: 0 0 28px;
  padding: 22px;
  background: rgba(8, 145, 178, 0.12);
  border: 1px solid rgba(103, 232, 249, 0.24);
  border-radius: 8px;
}

.answer-box h2 {
  margin-top: 0;
}

.internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.internal-links strong {
  flex-basis: 100%;
  color: var(--foreground);
}

.internal-links a {
  display: inline-flex;
  padding: 7px 10px;
  color: #cffafe;
  background: rgba(2, 6, 23, 0.52);
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
}

.internal-links a:hover {
  border-color: rgba(103, 232, 249, 0.5);
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  margin: clamp(20px, 5vw, 72px);
  padding: clamp(32px, 6vw, 60px);
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.18), rgba(15, 23, 42, 0.92));
  border: 1px solid rgba(103, 232, 249, 0.25);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  padding: 26px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--border);
}

@media (max-width: 1080px) {
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .hero,
  .contact {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    margin-top: 0;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-toc {
    position: static;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: flex-start;
  }

  .service-grid,
  .project-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}