:root {
  color-scheme: light;
  --primary: #548486;
  --primary-dark: #3e6365;
  --white: #ffffff;
  --gray-25: #fbfaf9;
  --gray-50: #f8f7f5;
  --gray-100: #f2f1ee;
  --gray-200: #e8e6e2;
  --gray-300: #d5d2cc;
  --gray-500: #918b84;
  --gray-600: #76716a;
  --gray-700: #5b574f;
  --ink-strong: #2b3b43;
  --ink: #39575f;
  --line-soft: rgba(112, 134, 136, 0.12);
  --line-strong: rgba(112, 134, 136, 0.2);
  --shadow-shell: 0 12px 24px rgba(28, 49, 52, 0.08);
  --shadow-card: 0 2px 6px rgba(28, 49, 52, 0.06);
  --shadow-float: 0 10px 22px rgba(63, 99, 101, 0.16);
  --radius-panel: 24px;
  --radius-card: 20px;
  --radius-button: 16px;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --max-width: 1260px;
  --header-width: 1360px;
  --font-family-base: "Segoe UI", "SF Pro Display", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-strong);
  font-family: var(--font-family-base);
  background:
    radial-gradient(circle at top right, rgba(84, 132, 134, 0.12), transparent 28rem),
    linear-gradient(180deg, #f7f6f1 0%, #f2f4f0 100%);
}

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

a {
  color: var(--primary-dark);
}

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

.site-header {
  position: sticky;
  top: 12px;
  z-index: 40;
  padding: 12px 16px 0;
}

.site-header-inner {
  width: min(var(--header-width), 100%);
  margin: 0 auto;
  padding: 1rem 1.4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line-soft);
  border-radius: 28px;
  background: linear-gradient(90deg, var(--white), var(--gray-25));
  box-shadow: var(--shadow-shell);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  color: var(--ink-strong);
  text-decoration: none;
}

.brand-logo {
  height: 44px;
  width: auto;
  flex: 0 0 auto;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-title,
.brand-subtitle {
  margin: 0;
}

.brand-title {
  color: var(--ink-strong);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.brand-subtitle {
  color: var(--gray-600);
  font-size: 0.84rem;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a:not(.button):not(.button-secondary) {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-button);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 18px rgba(27, 48, 50, 0.05);
  color: #234148;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.button,
.button-secondary,
.article-back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease, color 160ms ease;
}

.button {
  background: var(--primary);
  color: var(--white);
  box-shadow: var(--shadow-float);
}

.button:hover,
.button:focus-visible {
  background: var(--primary-dark);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(63, 99, 101, 0.2);
}

.button-secondary,
.article-back-link {
  border-color: rgba(112, 134, 136, 0.16);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 18px rgba(27, 48, 50, 0.05);
  color: #234148;
}

.site-nav a:not(.button):not(.button-secondary):hover,
.site-nav a:not(.button):not(.button-secondary):focus-visible,
.button-secondary:hover,
.button-secondary:focus-visible,
.article-back-link:hover,
.article-back-link:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(84, 132, 134, 0.26);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 22px rgba(27, 48, 50, 0.08);
  color: #234148;
}

.site-shell {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 16px 40px;
}

.hero,
.article-hero,
.content-grid,
.proof-band,
.cta-band,
.article-layout,
.article-next {
  margin-top: 18px;
}

.hero-panel,
.section-panel,
.proof-band,
.cta-band,
.article-panel,
.article-rail-card,
.tracker-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow-card);
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(24px, 4vw, 34px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 247, 245, 0.96));
}

.hero-copy,
.hero-proof {
  min-width: 0;
}

.hero-proof {
  display: grid;
  gap: 14px;
  align-content: start;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink-strong);
  font-family: var(--font-family-base);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

h1 {
  max-width: 11ch;
  font-size: clamp(2.35rem, 5vw, 4.15rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.75rem, 3vw, 2.45rem);
  font-weight: 700;
}

h3 {
  font-size: 1.08rem;
  font-weight: 700;
}

.hero-copy > p,
.section-copy > p,
.article-copy > p,
.article-body p,
.article-body li,
.guide-card p,
.proof-card p,
.audience-card p,
.cta-band p,
.metric-card p,
.tracker-card p,
.article-rail-card p {
  color: var(--gray-600);
  line-height: 1.65;
}

.hero-takeaway {
  margin: 18px 0 0;
  padding: 14px 16px;
  border: 1px solid rgba(84, 132, 134, 0.14);
  border-radius: 18px;
  background: rgba(84, 132, 134, 0.08);
  color: var(--ink-strong);
}

.hero-takeaway strong {
  color: var(--primary-dark);
}

.hero-actions,
.cta-actions,
.article-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.screenshot-frame {
  padding: 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 241, 238, 0.96));
}

.screenshot-frame img,
.article-rail-card img {
  width: 100%;
  border: 1px solid rgba(112, 134, 136, 0.12);
  border-radius: var(--radius-card);
  box-shadow: 0 12px 24px rgba(28, 49, 52, 0.08);
}

.metric-strip,
.audience-grid,
.guide-grid,
.tracker-grid {
  display: grid;
  gap: 16px;
}

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

.metric-card,
.audience-card,
.guide-card,
.proof-card,
.tracker-card,
.article-rail-card {
  padding: 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(251, 250, 249, 0.96), rgba(255, 255, 255, 0.96));
  box-shadow: 0 1px 3px rgba(28, 49, 52, 0.05);
}

.metric-card strong,
.article-rail-card strong {
  display: block;
  color: var(--primary-dark);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
}

.section-panel,
.proof-band,
.cta-band,
.article-panel,
.article-rail-card {
  padding: clamp(22px, 4vw, 30px);
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.section-copy {
  max-width: 58rem;
}

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

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

.guide-card a,
.audience-card a,
.tracker-card a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.guide-card a:hover,
.audience-card a:hover,
.tracker-card a:hover {
  text-decoration: underline;
}

.callout-list,
.article-body ul,
.article-body ol {
  display: grid;
  gap: 10px;
  padding-left: 20px;
}

.callout-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.callout-list li {
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(251, 250, 249, 0.98), rgba(255, 255, 255, 0.98));
  color: var(--ink);
  line-height: 1.55;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
}

.article-body section + section {
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--gray-200);
}

.article-body h2 {
  margin-bottom: 12px;
  font-size: clamp(1.38rem, 2vw, 1.8rem);
}

.article-body h3 {
  margin: 18px 0 8px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(84, 132, 134, 0.16);
  border-radius: 999px;
  background: rgba(84, 132, 134, 0.1);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 700;
}

.article-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.article-back-link {
  gap: 8px;
  margin-bottom: 18px;
}

.muted-note {
  font-size: 0.92rem;
  color: var(--gray-600);
}

.site-footer {
  margin-top: 20px;
  padding: 22px 6px 34px;
  color: var(--gray-600);
}

.site-footer p {
  margin: 0;
}

.site-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 10px;
}

.site-footer a {
  color: var(--primary-dark);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

:focus-visible {
  outline: 2px solid rgba(84, 132, 134, 0.38);
  outline-offset: 3px;
}

@media (max-width: 1080px) {
  .hero-panel,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-layout {
    gap: 18px;
  }
}

@media (max-width: 980px) {
  .audience-grid,
  .guide-grid,
  .tracker-grid,
  .metric-strip,
  .article-next {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-header {
    top: 10px;
    padding: 10px 12px 0;
  }

  .site-header-inner {
    padding: 0.88rem 1rem;
    align-items: flex-start;
    flex-direction: column;
    border-radius: 24px;
  }

  .site-shell {
    padding-left: 12px;
    padding-right: 12px;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .site-nav a:not(.button):not(.button-secondary),
  .button,
  .button-secondary {
    min-height: 38px;
  }

  .brand-logo {
    height: 38px;
  }

  .hero-panel,
  .section-panel,
  .proof-band,
  .cta-band,
  .article-panel,
  .article-rail-card,
  .tracker-card {
    padding: 20px;
    border-radius: 20px;
  }

  h1 {
    max-width: none;
    font-size: clamp(2rem, 10vw, 3rem);
  }
}