:root {
  color-scheme: dark;
  --bg: #030712;
  --bg-soft: #07111f;
  --text: #f8fafc;
  --muted: #9ca3af;
  --soft: #cbd5e1;
  --line: rgba(255, 255, 255, 0.1);
  --line-soft: rgba(255, 255, 255, 0.06);
  --brand: #00d8a1;
  --accent: #3b82f6;
  --article-shell-top-gap: clamp(3.25rem, 6vw, 5.5rem);
  --article-column-gap: clamp(3.5rem, 7vw, 7rem);
  --article-section-spacing: clamp(3.75rem, 6vw, 5rem);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: clip;
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 216, 161, 0.12), transparent 25rem),
    radial-gradient(circle at 88% 16%, rgba(59, 130, 246, 0.1), transparent 26rem),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 58%, var(--bg) 100%);
  color: var(--text);
  font-family: "Inter", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.material-symbols-outlined {
  font-variation-settings: "FILL" 0, "wght" 300, "GRAD" 0, "opsz" 24;
}

.page-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 0.7px, transparent 0.7px);
  background-size: 18px 18px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.78), transparent 86%);
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(3, 7, 18, 0.6);
  backdrop-filter: blur(24px);
}

.page-shell,
.hero-inner,
.footer-inner {
  width: min(100% - 2rem, 76rem);
  margin-inline: auto;
}

.site-nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 3rem, 80rem);
  min-height: 5rem;
  margin-inline: auto;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.66rem;
  color: #f8fbff;
  text-decoration: none;
}

.brand-mark {
  width: 2.28rem;
  height: auto;
  display: block;
}

.brand-wordmark {
  font-family: "Sora", sans-serif;
  font-size: 1.48rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  color: #9ca3af;
  font-size: 0.875rem;
  font-weight: 500;
}

.desktop-nav a,
.footer-links a,
.toc a {
  text-decoration: none;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.footer-links a:hover,
.toc a:hover,
.desktop-nav a:focus-visible,
.footer-links a:focus-visible,
.toc a:focus-visible {
  color: var(--text);
  outline: none;
}

.nav-call-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.625rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #f8fafc;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  backdrop-filter: blur(12px);
  transition:
    background-color 180ms ease,
    border-color 180ms ease;
}

.nav-call-link:hover,
.nav-call-link:focus-visible {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.2);
  outline: none;
}

.mobile-menu-trigger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  flex: 0 0 auto;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  color: #f8fafc;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: grid;
  align-items: start;
  justify-items: end;
  padding: 1rem;
}

.mobile-menu[hidden] {
  display: none;
}

.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.82);
  backdrop-filter: blur(18px);
}

.mobile-menu-dialog {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: min(100%, 23.5rem);
  max-height: min(40rem, calc(100svh - 5rem));
  margin-top: 4.35rem;
  padding: 1.5rem;
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(180deg, rgba(10, 17, 30, 0.98), rgba(4, 9, 18, 0.98));
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
  overflow-y: auto;
}

.mobile-menu-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.mobile-menu-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #67e8f9;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.mobile-menu-kicker::before {
  content: "";
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: #00d8a1;
  box-shadow: 0 0 14px rgba(0, 216, 161, 0.45);
}

.mobile-menu-title {
  margin: 0.7rem 0 0;
  color: #f8fafc;
  font-family: "Sora", sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0;
}

.mobile-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
}

.mobile-menu-links {
  display: grid;
  gap: 0.8rem;
}

.mobile-menu-links a,
.mobile-menu-call {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
  padding: 1rem 1.15rem;
  border-radius: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: #f8fafc;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
}

.mobile-menu-links a::after {
  content: "north_east";
  font-family: "Material Symbols Outlined";
  font-size: 1.2rem;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  color: #7dd3fc;
}

.mobile-menu-call {
  justify-content: center;
  background: linear-gradient(135deg, rgba(0, 216, 161, 0.18), rgba(14, 165, 183, 0.24));
  box-shadow: 0 18px 45px rgba(0, 216, 161, 0.12);
}

body.mobile-menu-open {
  overflow: hidden;
}

.editorial-hero {
  position: relative;
  z-index: 1;
  padding: calc(5rem + clamp(2.5rem, 5vw, 4.75rem)) 0 2.65rem;
}

.hero-inner {
  display: grid;
  gap: 1.18rem;
  max-width: 58rem;
}

.article-label {
  margin: 0;
  color: #67e8f9;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.editorial-hero h1 {
  max-width: 16ch;
  margin: 0;
  font-family: "Sora", sans-serif;
  font-size: clamp(2.75rem, 5.6vw, 5rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.hero-summary {
  max-width: 47rem;
  margin: 0;
  color: #cbd5e1;
  font-size: clamp(1.08rem, 1.5vw, 1.28rem);
  line-height: 1.78;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  color: #94a3b8;
  font-size: 0.94rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.68rem;
  min-height: 3.3rem;
  padding: 0.95rem 1.22rem;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.96rem;
  font-weight: 800;
  line-height: 1;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #0ea5b7 100%);
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(0, 216, 161, 0.18);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(9, 17, 31, 0.56);
  color: #ffffff;
}

.button-primary:hover,
.button-secondary:hover,
.button-primary:focus-visible,
.button-secondary:focus-visible {
  transform: translateY(-2px);
  outline: none;
}

.page-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(14rem, 17rem) minmax(0, 52rem);
  gap: var(--article-column-gap);
  align-items: start;
  padding: var(--article-shell-top-gap) 0 6.5rem;
  border-top: 1px solid var(--line-soft);
}

.toc {
  position: sticky;
  top: 6.5rem;
  padding: 0.15rem 0 1rem;
  color: #94a3b8;
  font-size: 0.94rem;
}

.toc strong {
  display: block;
  margin-bottom: 0.9rem;
  color: #dbeafe;
  font-family: "Sora", sans-serif;
  font-size: 1rem;
}

.toc ol {
  display: grid;
  gap: 0.82rem;
  margin: 0;
  padding-left: 1.2rem;
}

.toc li::marker {
  color: #67e8f9;
  font-weight: 800;
}

.toc-note {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
}

.toc-note p {
  margin: 0;
  color: #cbd5e1;
  line-height: 1.62;
}

.editorial-article {
  max-width: 52rem;
  color: #d1d5db;
}

.editorial-article section {
  padding: var(--article-section-spacing) 0;
  border-bottom: 1px solid var(--line-soft);
}

.editorial-article section:first-child {
  padding-top: 0;
}

.editorial-article h2 {
  margin: 0 0 1.35rem;
  color: var(--text);
  font-family: "Sora", sans-serif;
  font-size: clamp(1.85rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: 0;
}

.editorial-article h3 {
  margin: 1.8rem 0 0.6rem;
  color: #f8fafc;
  font-family: "Sora", sans-serif;
  font-size: 1.25rem;
  line-height: 1.25;
}

.editorial-article p {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.82;
}

.editorial-article p + p,
.editorial-article ul + p,
.editorial-article table + p {
  margin-top: 1.3rem;
}

.editorial-article ul {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.editorial-article li {
  line-height: 1.72;
}

.article-figure {
  margin: 2.65rem 0;
}

.article-figure img {
  display: block;
  width: 100%;
  max-height: 28rem;
  object-fit: cover;
  border-radius: 1.1rem;
}

.article-figure figcaption {
  margin-top: 0.75rem;
  color: #94a3b8;
  font-size: 0.92rem;
  line-height: 1.55;
}

.pullquote,
.editorial-note {
  margin: 1.8rem 0;
  padding: 0.1rem 0 0.1rem 1.2rem;
  border-left: 3px solid var(--brand);
}

.pullquote p {
  color: #e0f2fe;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.36;
}

.editorial-note p {
  color: #dbeafe;
}

.cost-comparison-callout {
  margin: 1.8rem 0 0;
  padding: 1.15rem 0 0.15rem 1.2rem;
  border-left: 3px solid #67e8f9;
}

.cost-comparison-callout p:first-child {
  color: #f8fafc;
  font-family: "Sora", sans-serif;
  font-size: clamp(1.18rem, 2.4vw, 1.62rem);
  line-height: 1.45;
}

.cost-comparison-callout p + p {
  margin-top: 0.85rem;
  color: #cbd5e1;
}

.comparison-table {
  width: 100%;
  margin: 1.2rem 0 0;
  border-collapse: collapse;
  font-size: 0.98rem;
}

.comparison-table th,
.comparison-table td {
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
  line-height: 1.62;
}

.comparison-table th {
  color: #67e8f9;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.comparison-table td:first-child {
  color: #f8fafc;
  font-weight: 800;
}

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  padding-left: 1.7rem;
  position: relative;
}

.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--brand), var(--accent));
}

.soft-cta {
  padding-top: 2rem;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 2rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #64748b;
  font-size: 0.92rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  color: #94a3b8;
}

@media (max-width: 767px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-trigger {
    display: inline-flex;
  }
}

@media (max-width: 960px) {
  :root {
    --article-shell-top-gap: 2.65rem;
    --article-section-spacing: 3.4rem;
  }

  .page-shell {
    grid-template-columns: 1fr;
    gap: 1.65rem;
  }

  .toc {
    position: static;
    padding: 0 0 1.8rem;
    border-bottom: 1px solid var(--line-soft);
  }

  .editorial-article {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .nav-call-link {
    display: none;
  }

  .editorial-hero {
    padding-top: calc(5rem + 1.6rem);
  }

  .editorial-hero h1 {
    font-size: clamp(2.35rem, 11vw, 3rem);
  }

  .cta-row,
  .footer-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .site-nav-shell {
    width: min(100% - 2rem, 80rem);
  }

  .article-figure img {
    max-height: 17rem;
  }
}