:root {
  --ink: #182321;
  --muted: #5b6864;
  --paper: #f7f8f6;
  --surface: #ffffff;
  --line: #d9e0dc;
  --teal: #007a68;
  --teal-dark: #045f53;
  --red: #df553d;
  --blue: #315da8;
  --yellow: #f0b429;
  --shadow: 0 18px 45px rgba(24, 35, 33, 0.14);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section {
  scroll-margin-top: 88px;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 3px;
}

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

button,
input {
  font: inherit;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  z-index: 40;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.7rem 1rem;
  clip: auto;
  border-radius: 6px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  right: 0;
  left: 0;
  background: rgba(247, 248, 246, 0.92);
  border-bottom: 1px solid rgba(217, 224, 220, 0.75);
  backdrop-filter: blur(14px);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1180px, calc(100% - 32px));
  height: 72px;
  margin: 0 auto;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
  font-size: 0.85rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:not(.nav-cta) {
  color: #2d3b37;
}

.nav-links a.nav-blog {
  padding: 0.42rem 0.68rem;
  border-radius: 6px;
  background: #d9eee8;
  color: var(--teal-dark);
}

.nav-links a:hover {
  color: var(--teal-dark);
}

.nav-cta {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: var(--surface);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.menu-toggle__line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(700px, calc(100vh - 150px));
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 6.5rem 0 2.5rem;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(10, 19, 17, 0.86) 0%, rgba(10, 19, 17, 0.67) 44%, rgba(10, 19, 17, 0.2) 100%),
    linear-gradient(0deg, rgba(10, 19, 17, 0.66) 0%, rgba(10, 19, 17, 0) 42%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  color: var(--surface);
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--teal);
  font-size: 0.77rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #75dac8;
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 700px;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.74rem 1rem;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  border: 1px solid var(--teal);
  background: var(--teal);
  color: var(--surface);
}

.button-primary:hover {
  background: var(--teal-dark);
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.14);
  color: var(--surface);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 5.5rem 0;
}

.intro-band {
  padding-top: 4.6rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.section-heading.compact {
  display: block;
  max-width: 710px;
}

.section h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow),
.system-copy p,
.audit-copy p,
.contact-section p {
  margin: 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.coverage-grid,
.article-grid,
.product-grid {
  display: grid;
  gap: 1rem;
}

.coverage-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.article-card,
.case-study-card,
.product-grid article,
.audit-tool {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.feature-card {
  min-height: 310px;
  padding: 1.4rem;
  border-top: 5px solid var(--red);
}

.feature-card.accent-green {
  border-top-color: var(--teal);
}

.feature-card.accent-yellow {
  border-top-color: var(--yellow);
}

.feature-kicker {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.feature-card h3,
.article-card h3,
.product-grid h3 {
  margin: 1.3rem 0 0.8rem;
  font-size: 1.35rem;
  line-height: 1.15;
  letter-spacing: 0;
}

.feature-card p,
.article-card p,
.product-grid p {
  margin: 0;
  color: var(--muted);
}

.system-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.process-list {
  display: grid;
  gap: 1rem;
  padding: 0;
  margin: 2rem 0 0;
  list-style: none;
}

.process-list li {
  padding-left: 1rem;
  border-left: 4px solid var(--blue);
  color: var(--muted);
}

.process-list strong {
  color: var(--ink);
}

.workspace-preview {
  overflow: hidden;
  border: 1px solid #b8c7c2;
  border-radius: 8px;
  background: #f9fbfb;
  box-shadow: var(--shadow);
}

.preview-toolbar {
  display: flex;
  gap: 0.45rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  background: #edf3f1;
}

.preview-toolbar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--red);
}

.preview-toolbar span:nth-child(2) {
  background: var(--yellow);
}

.preview-toolbar span:nth-child(3) {
  background: var(--teal);
}

.preview-body {
  display: grid;
  grid-template-columns: 160px 1fr;
  min-height: 390px;
}

.preview-nav {
  display: grid;
  align-content: start;
  gap: 0.8rem;
  padding: 1.2rem;
  border-right: 1px solid var(--line);
  background: #ffffff;
}

.preview-nav span {
  height: 13px;
  border-radius: 999px;
  background: #d9e0dc;
}

.preview-nav .active {
  background: var(--blue);
}

.preview-panel {
  padding: clamp(1rem, 4vw, 2rem);
}

.preview-title {
  width: 58%;
  height: 34px;
  margin-bottom: 1.4rem;
  border-radius: 6px;
  background: var(--ink);
}

.preview-line {
  width: 68%;
  height: 12px;
  margin-bottom: 0.75rem;
  border-radius: 999px;
  background: #c9d5d1;
}

.preview-line.wide {
  width: 86%;
}

.preview-callout {
  height: 76px;
  margin: 1.4rem 0;
  border-left: 5px solid var(--yellow);
  border-radius: 6px;
  background: #fff6db;
}

.preview-code {
  display: grid;
  gap: 0.75rem;
  padding: 1.2rem;
  border-radius: 8px;
  background: #13201d;
}

.preview-code span {
  height: 11px;
  border-radius: 999px;
  background: #75dac8;
}

.preview-code span:nth-child(2) {
  width: 78%;
  background: #d7edff;
}

.preview-code span:nth-child(3) {
  width: 62%;
  background: #f9c9bd;
}

.articles-section {
  width: min(1240px, calc(100% - 32px));
  margin: 1.5rem auto 0;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid #b8c7c2;
  border-top: 6px solid var(--teal);
  border-radius: 8px;
  background: #eaf3f0;
}

.blog-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.blog-heading h2 {
  max-width: 940px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
}

.blog-heading p:not(.eyebrow) {
  max-width: 760px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.text-link {
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.22em;
}

.article-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.7rem 0 1rem;
}

.filter-button {
  min-height: 40px;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 800;
  cursor: pointer;
}

.filter-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.article-grid-featured {
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.8fr);
}

.article-grid-archive {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.article-card {
  min-height: 260px;
  padding: 1.25rem;
}

.article-card-featured {
  min-height: 320px;
  padding: clamp(1.4rem, 4vw, 2.2rem);
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.article-card-featured h3 {
  max-width: 760px;
  font-size: clamp(1.65rem, 3vw, 2.55rem);
}

.article-card-featured p:not(.article-meta) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.78);
}

.article-card-featured .article-meta,
.article-card-featured a {
  color: #75dac8;
}

.article-card[hidden] {
  display: none;
}

.article-meta {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.article-card a {
  display: inline-flex;
  margin-top: 1.2rem;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.2em;
}

.case-studies-section {
  border-top: 1px solid var(--line);
}

.case-study-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.case-study-card {
  min-height: 330px;
  padding: clamp(1.35rem, 3vw, 2rem);
  border-top: 5px solid var(--blue);
}

.case-study-card-accent {
  border-top-color: var(--yellow);
}

.case-study-meta {
  margin: 0;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-study-card h3 {
  margin: 1.2rem 0 0.8rem;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.1;
}

.case-study-card p:not(.case-study-meta) {
  margin: 0;
  color: var(--muted);
}

.case-study-card a {
  display: inline-flex;
  margin-top: 1.4rem;
  color: var(--teal-dark);
  font-weight: 900;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.2em;
}

.section-link {
  margin-top: 1.4rem;
}

.audit-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(320px, 1fr);
  gap: 2rem;
  align-items: start;
}

.audit-tool {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.audit-score {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.2rem;
}

.score-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.audit-score strong {
  font-size: 2.4rem;
  line-height: 1;
}

.score-track {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: #dbe3e0;
}

.score-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 180ms ease;
}

.checklist {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  margin: 0;
  border: 0;
}

.checklist label {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  cursor: pointer;
}

.checklist input {
  width: 20px;
  height: 20px;
  margin-top: 0.18rem;
  accent-color: var(--teal);
}

.product-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-grid article {
  min-height: 220px;
  padding: 1.15rem;
}

.product-grid article:nth-child(1) {
  border-top: 4px solid var(--teal);
}

.product-grid article:nth-child(2) {
  border-top: 4px solid var(--blue);
}

.product-grid article:nth-child(3) {
  border-top: 4px solid var(--red);
}

.product-grid article:nth-child(4) {
  border-top: 4px solid var(--yellow);
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 4rem;
  padding: clamp(1.6rem, 5vw, 3rem);
  border-radius: 8px;
  background: var(--ink);
  color: var(--surface);
}

.contact-section .eyebrow {
  color: #75dac8;
}

.contact-section h2 {
  max-width: 780px;
}

.contact-section .button-primary {
  flex: 0 0 auto;
  border-color: #75dac8;
  background: #75dac8;
  color: var(--ink);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

.nav-links-static {
  display: flex;
}

.article-page {
  padding-top: 72px;
}

.listing-hero {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 5rem 0 2.5rem;
}

.listing-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1.02;
}

.listing-hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.12rem;
}

.listing-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 5rem;
}

.article-hero {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 5rem 0 2rem;
}

.article-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
}

.article-hero-copy,
.article-byline {
  max-width: 780px;
}

.article-byline {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.article-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto 4.5rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(260px, 0.8fr);
  gap: 1.5rem;
  align-items: start;
}

.article-main {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.article-main p:first-child {
  margin-top: 0;
  font-size: 1.08rem;
}

.article-main h2 {
  margin: 2rem 0 0.8rem;
  font-size: 1.45rem;
}

.article-main p {
  margin: 0 0 1rem;
}

.article-main ul,
.article-main ol {
  padding-left: 1.3rem;
}

.article-main li + li {
  margin-top: 0.55rem;
}

.case-study-facts {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.case-study-facts div {
  padding-bottom: 0.9rem;
  border-bottom: 1px solid #c8d8d2;
}

.case-study-facts div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.case-study-facts dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.case-study-facts dd {
  margin: 0.2rem 0 0;
  font-weight: 800;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.page-actions .button-secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.article-sidebar {
  display: grid;
  gap: 1rem;
}

.article-note {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #eef6f3;
}

.article-note h2 {
  margin: 0 0 0.65rem;
  font-size: 1rem;
}

.article-note p {
  margin: 0;
}

.source-list {
  margin: 0;
  padding-left: 1.2rem;
}

.source-list li + li {
  margin-top: 0.55rem;
}

@media (max-width: 900px) {
  .nav-links {
    position: fixed;
    top: 72px;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.8rem 1rem 1rem;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .site-header.is-open .nav-links {
    display: flex;
  }

  .nav-links a {
    padding: 0.9rem;
  }

  .menu-toggle {
    display: block;
  }

  .hero {
    min-height: min(660px, calc(100vh - 110px));
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(10, 19, 17, 0.88) 0%, rgba(10, 19, 17, 0.64) 100%),
      linear-gradient(0deg, rgba(10, 19, 17, 0.7) 0%, rgba(10, 19, 17, 0) 44%);
  }

  .section-heading,
  .blog-heading,
  .system-section,
  .audit-section,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .coverage-grid,
  .article-grid,
  .case-study-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-section,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 620px) {
  .nav-shell,
  .hero-content,
  .section,
  .article-hero,
  .listing-hero,
  .listing-shell,
  .article-shell,
  .contact-section,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .brand span:last-child {
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    min-height: min(620px, calc(100vh - 96px));
    padding-bottom: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.45rem);
  }

  .hero-actions,
  .contact-section .button {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 4rem 0;
  }

  .articles-section {
    width: min(100% - 24px, 1180px);
    padding: 2rem 1.2rem;
  }

  .article-hero {
    padding: 4rem 0 1.5rem;
  }

  .article-main {
    padding: 1.35rem;
    border-radius: 20px;
  }

  .page-actions,
  .page-actions .button {
    width: 100%;
  }

  .preview-body {
    grid-template-columns: 1fr;
  }

  .preview-nav {
    grid-template-columns: repeat(4, 1fr);
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}