:root {
  --ink: #0f172a;
  --ink-soft: #243247;
  --muted: #5b6b7d;
  --line: #d7e5e8;
  --paper: #ffffff;
  --canvas: #f8fbfb;
  --aqua: #edf9fb;
  --primary: #1e5c64;
  --primary-dark: #0f3f47;
  --accent: #52c1d0;
  --accent-soft: #dff5f7;
  --coral: #ef8d7a;
  --sage: #6c927e;
  --shadow: 0 20px 54px rgba(15, 39, 46, .12);
  --wrap: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(82, 193, 208, .62);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 800;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  min-height: 78px;
  padding: 14px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid rgba(215, 229, 232, .82);
  background: rgba(248, 251, 251, .92);
  backdrop-filter: blur(18px);
}

.logo {
  width: 168px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.6vw, 38px);
  color: #17243a;
  font-size: 14px;
  font-weight: 750;
}

.main-nav a {
  position: relative;
  padding: 12px 0;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--accent);
  transition: transform .2s ease;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--primary);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: currentColor;
  transition: transform .2s ease, opacity .2s ease;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 14px 30px rgba(30, 92, 100, .22);
}

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

.btn-light {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin: 0 auto;
}

.eyebrow,
.article-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.article-label::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.insights-hero {
  position: relative;
  display: flex;
  min-height: min(760px, calc(100vh - 78px));
  align-items: flex-end;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(9, 30, 37, .9) 0%, rgba(9, 30, 37, .72) 48%, rgba(9, 30, 37, .18) 100%),
    url("/blog/assets/lumyn-hero-modern.webp") center 48% / cover no-repeat;
  color: #fff;
}

.insights-hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 62%, rgba(7,26,32,.5) 100%);
  content: "";
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding: clamp(96px, 14vh, 150px) 0 clamp(88px, 12vh, 132px);
}

.insights-hero .eyebrow {
  color: #b8f2f7;
}

.insights-hero h1 {
  max-width: 720px;
  margin: 20px 0 20px;
  font-size: 72px;
  line-height: .98;
  letter-spacing: 0;
}

.insights-hero p {
  max-width: 620px;
  margin: 0 0 30px;
  color: rgba(255,255,255,.86);
  font-size: 21px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-actions .btn-light {
  border-color: rgba(255,255,255,.32);
  background: rgba(255,255,255,.1);
  color: #fff;
  backdrop-filter: blur(12px);
}

.articles-section {
  padding: clamp(76px, 9vw, 124px) 0;
  background: #fff;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 460px);
  gap: 48px;
  align-items: end;
  margin-bottom: 46px;
}

.section-heading h2 {
  max-width: 720px;
  margin: 14px 0 0;
  font-size: 50px;
  line-height: 1.05;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
}

.featured-article {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--canvas);
  box-shadow: var(--shadow);
}

.featured-article .article-image {
  min-height: 520px;
}

.article-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(34px, 5vw, 68px);
}

.article-summary h2,
.article-summary h3 {
  margin: 16px 0 16px;
  font-size: 42px;
  line-height: 1.08;
}

.article-summary p {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 17px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 26px;
  color: #697a8b;
  font-size: 13px;
  font-weight: 700;
}

.text-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--accent);
  color: var(--primary);
  font-weight: 800;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 28px;
}

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

.article-card {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  min-height: 330px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.article-card .article-summary {
  padding: 32px;
}

.article-card .article-summary h3 {
  font-size: 34px;
}

.article-card .article-summary p {
  font-size: 15px;
}

.topic-band {
  padding: clamp(66px, 8vw, 96px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--aqua);
}

.topic-layout {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(0, 1.28fr);
  gap: clamp(44px, 8vw, 110px);
}

.topic-layout h2 {
  margin: 14px 0 0;
  font-size: 48px;
  line-height: 1.06;
}

.topic-list {
  border-top: 1px solid rgba(30, 92, 100, .24);
}

.topic-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(30, 92, 100, .24);
}

.topic-number {
  color: var(--coral);
  font-size: 14px;
  font-weight: 800;
}

.topic-item h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.topic-item p {
  margin: 0;
  color: var(--muted);
}

.cta-band {
  padding: clamp(72px, 9vw, 116px) 0;
  background: var(--primary-dark);
  color: #fff;
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: center;
}

.cta-inner h2 {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: 50px;
  line-height: 1.04;
}

.cta-inner p {
  max-width: 660px;
  margin: 0;
  color: rgba(255,255,255,.73);
  font-size: 17px;
}

.cta-inner .btn {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: none;
}

.site-footer {
  padding: 54px 0 28px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(280px, 2fr) repeat(3, minmax(130px, 1fr));
  gap: 42px;
}

.footer-brand img {
  display: block;
  width: 184px;
  max-width: 100%;
  height: auto;
}

.footer-brand p {
  max-width: 390px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-col h2 {
  margin: 0 0 14px;
  font-size: 14px;
}

.footer-col a {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: #728294;
  font-size: 13px;
}

.footer-bottom div {
  display: flex;
  gap: 20px;
}

.article-progress {
  position: fixed;
  top: 77px;
  left: 0;
  z-index: 95;
  width: 0;
  height: 3px;
  background: var(--accent);
}

.article-hero {
  padding: clamp(70px, 9vw, 118px) 0 58px;
  background:
    linear-gradient(rgba(30,92,100,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30,92,100,.045) 1px, transparent 1px),
    var(--canvas);
  background-size: 28px 28px;
}

.article-hero-inner {
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.back-link {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 800;
}

.article-hero h1 {
  max-width: 960px;
  margin: 18px auto 22px;
  font-size: 66px;
  line-height: 1.02;
  letter-spacing: 0;
}

.article-deck {
  max-width: 780px;
  margin: 0 auto 26px;
  color: var(--muted);
  font-size: 22px;
  line-height: 1.55;
}

.article-hero .article-meta {
  justify-content: center;
  margin: 0;
}

.article-cover {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
}

.article-cover img {
  width: 100%;
  max-height: 720px;
  aspect-ratio: 16 / 8.4;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(210px, 250px) minmax(0, 760px);
  gap: clamp(48px, 8vw, 112px);
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 82px 0 110px;
}

.article-layout.legal-layout {
  display: block;
  width: min(820px, calc(100% - 48px));
}

.legal-layout .article-body h2:first-child {
  margin-top: 0;
}

.article-aside {
  align-self: start;
  position: sticky;
  top: 112px;
}

.article-aside h2 {
  margin: 0 0 14px;
  color: #7a8998;
  font-size: 12px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.toc {
  border-top: 1px solid var(--line);
}

.toc a {
  display: block;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.toc a:hover,
.toc a.active {
  color: var(--primary);
}

.aside-note {
  margin-top: 28px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  color: var(--muted);
  font-size: 13px;
}

.article-body {
  min-width: 0;
  color: var(--ink-soft);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 20px;
  line-height: 1.78;
}

.article-body > p:first-child {
  color: var(--ink);
  font-size: 1.22em;
  line-height: 1.58;
}

.article-body h2,
.article-body h3 {
  color: var(--ink);
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
}

.article-body h2 {
  scroll-margin-top: 120px;
  margin: 74px 0 22px;
  font-size: 42px;
  line-height: 1.12;
}

.article-body h3 {
  scroll-margin-top: 120px;
  margin: 44px 0 14px;
  font-size: 24px;
  line-height: 1.3;
}

.article-body p {
  margin: 0 0 24px;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: rgba(82, 193, 208, .75);
  text-underline-offset: 4px;
}

.article-body ul,
.article-body ol {
  margin: 0 0 28px;
  padding-left: 26px;
}

.article-body li {
  margin-bottom: 12px;
  padding-left: 5px;
}

.article-body strong {
  color: var(--ink);
}

.article-callout {
  margin: 42px 0;
  padding: 28px 30px;
  border-left: 4px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: var(--aqua);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
}

.article-callout strong {
  display: block;
  margin-bottom: 7px;
}

.checklist {
  margin: 40px 0;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
}

.checklist h3 {
  margin-top: 0;
}

.checklist ul {
  list-style: none;
  margin-bottom: 0;
  padding: 0;
}

.checklist li {
  position: relative;
  margin: 0;
  padding: 14px 0 14px 32px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
}

.checklist li:last-child {
  border-bottom: 0;
}

.checklist li::before {
  position: absolute;
  top: 19px;
  left: 2px;
  width: 14px;
  height: 8px;
  border-bottom: 3px solid var(--sage);
  border-left: 3px solid var(--sage);
  content: "";
  transform: rotate(-45deg);
}

.decision-table {
  width: 100%;
  margin: 38px 0;
  border-collapse: collapse;
  border: 1px solid var(--line);
  background: #fff;
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.55;
}

.decision-table th,
.decision-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.decision-table th {
  background: var(--aqua);
  color: var(--primary-dark);
  font-size: 13px;
}

.article-note {
  margin: 64px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "Plus Jakarta Sans", Arial, sans-serif;
  font-size: 13px;
}

.next-article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .72fr);
  gap: 40px;
  align-items: center;
  padding: clamp(70px, 8vw, 100px) 0;
}

.next-article h2 {
  margin: 14px 0 18px;
  font-size: 50px;
  line-height: 1.05;
}

.next-article p {
  max-width: 640px;
  margin: 0 0 24px;
  color: var(--muted);
}

.next-article img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 8px;
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .main-nav {
    position: fixed;
    top: 78px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 14px 24px 26px;
    transform: translateY(-125%);
    border-bottom: 1px solid var(--line);
    background: var(--canvas);
    box-shadow: 0 22px 36px rgba(15,39,46,.12);
    transition: transform .25s ease;
  }

  .main-nav.is-open {
    transform: translateY(0);
  }

  .main-nav a {
    padding: 15px 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav a::after {
    display: none;
  }

  .header-actions .btn {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .insights-hero h1 {
    font-size: 58px;
  }

  .section-heading h2,
  .topic-layout h2,
  .cta-inner h2,
  .next-article h2 {
    font-size: 44px;
  }

  .article-summary h2,
  .article-summary h3 {
    font-size: 38px;
  }

  .article-hero h1 {
    font-size: 54px;
  }

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

  .featured-article .article-image {
    min-height: 420px;
    aspect-ratio: 16 / 9;
  }

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

  .article-card {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  }

  .topic-layout,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 58px;
  }

  .article-aside {
    position: static;
  }

  .toc {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
  }

  .toc a {
    padding: 4px 0;
    border: 0;
  }

  .aside-note {
    display: none;
  }
}

@media (max-width: 760px) {
  .wrap,
  .article-layout {
    width: min(100% - 36px, var(--wrap));
  }

  .site-header {
    min-height: 70px;
    padding: 12px 18px;
  }

  .logo {
    width: 138px;
  }

  .main-nav {
    top: 70px;
  }

  .insights-hero {
    min-height: min(760px, calc(100svh - 118px));
    background-position: 58% center;
  }

  .insights-hero::before {
    position: absolute;
    inset: 0;
    background: rgba(7,26,32,.34);
    content: "";
  }

  .insights-hero h1 {
    font-size: 44px;
  }

  .insights-hero p {
    font-size: 18px;
  }

  .section-heading h2,
  .topic-layout h2 {
    font-size: 36px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section-heading {
    gap: 20px;
  }

  .featured-article .article-image {
    min-height: 270px;
  }

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

  .article-card .article-image {
    aspect-ratio: 16 / 10;
  }

  .article-summary {
    padding: 30px 24px;
  }

  .article-summary h2,
  .article-summary h3 {
    font-size: 30px;
  }

  .article-card .article-summary h3 {
    font-size: 30px;
  }

  .cta-inner h2,
  .next-article h2 {
    font-size: 38px;
  }

  .cta-inner,
  .footer-grid,
  .next-article {
    grid-template-columns: 1fr;
  }

  .cta-inner .btn {
    width: 100%;
  }

  .footer-grid {
    gap: 30px;
  }

  .footer-brand img {
    width: 168px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .article-progress {
    top: 69px;
  }

  .article-hero {
    padding: 56px 0 44px;
  }

  .article-hero h1 {
    font-size: 42px;
  }

  .article-deck {
    font-size: 18px;
  }

  .article-cover {
    width: calc(100% - 24px);
  }

  .article-cover img {
    aspect-ratio: 4 / 3;
  }

  .article-body {
    font-size: 18px;
  }

  .article-body h2 {
    margin-top: 58px;
    font-size: 34px;
  }

  .article-callout,
  .checklist {
    padding: 24px 22px;
  }

  .decision-table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }

  .next-article img {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}