:root {
  --ink: #15253d;
  --ink-soft: #4d6075;
  --blue: #003e90;
  --blue-deep: #002c68;
  --green: #06cf99;
  --green-dark: #047a61;
  --paper: #ffffff;
  --paper-blue: #f2f7fc;
  --line: #cbd8e5;
  --line-strong: #8aa3bc;
  --focus: #ffbf47;
  --max: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: 'Cera Pro', 'Inter', 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

::selection { color: #fff; background: var(--blue); }

* { scrollbar-color: var(--blue) var(--paper-blue); scrollbar-width: thin; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper-blue); }
::-webkit-scrollbar-thumb { background: var(--blue); border: 3px solid var(--paper-blue); border-radius: 8px; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }

button, input { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #fff;
  background: var(--blue-deep);
  transform: translateY(-180%);
}

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

.editorial-container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.editorial-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
}

.header-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.brand { display: inline-flex; flex: 0 0 auto; }
.brand img { display: block; width: 132px; height: auto; }

.editorial-nav { display: flex; align-items: center; gap: 26px; font-size: 0.9rem; font-weight: 600; }
.editorial-nav a { text-decoration: none; }
.editorial-nav a:not(.nav-cta):hover,
.editorial-nav a[aria-current='page'] { color: var(--blue); text-decoration: underline; }

.nav-cta,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 10px 20px;
  color: #fff;
  background: var(--green-dark);
  border-radius: 10px;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 180ms ease-out, transform 180ms ease-out;
}

.nav-cta:hover,
.primary-link:hover { background: #03624e; transform: translateY(-1px); }

.articles-hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--blue-deep);
  border-bottom: 8px solid var(--green);
}

.articles-hero::after {
  content: '';
  position: absolute;
  right: -12vw;
  bottom: -210px;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50%;
  box-shadow: inset 0 0 0 70px rgba(6,207,153,0.08), inset 0 0 0 140px rgba(255,255,255,0.04);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: clamp(48px, 8vw, 110px);
  align-items: end;
  padding-block: clamp(70px, 9vw, 126px) clamp(58px, 7vw, 92px);
}

.hero-copy h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.4rem, 5.5vw, 5.35rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.hero-copy > p:last-child { max-width: 64ch; margin: 28px 0 0; color: #d9e7f5; font-size: 1.1rem; }

.search-panel { padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.35); }
.search-panel label { display: block; margin-bottom: 10px; font-size: 1.05rem; font-weight: 700; }
.search-panel > p { margin: 10px 0 0; color: #c8d9ea; font-size: 0.8rem; }

.search-control {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 7px 9px 7px 15px;
  color: var(--blue-deep);
  background: #fff;
  border-radius: 12px;
}

.search-control svg { width: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.search-control input { min-width: 0; padding: 12px 0; color: var(--ink); background: transparent; border: 0; outline: 0; caret-color: var(--blue); }
.search-control input::placeholder { color: #667b91; opacity: 1; }
.search-control button { padding: 8px 10px; color: var(--blue); background: transparent; border: 0; border-radius: 7px; cursor: pointer; font-size: 0.8rem; font-weight: 700; }
.search-control button:hover { background: var(--paper-blue); }

.lead-edition,
.archive,
.related { padding-block: clamp(70px, 9vw, 120px); }

.section-heading,
.archive-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.section-heading h2,
.archive-toolbar h2,
.related h2 { margin: 0; color: var(--blue); font-size: clamp(1.8rem, 3vw, 2.7rem); line-height: 1.1; letter-spacing: -0.025em; }
.section-heading p,
.archive-toolbar p { margin: 0; color: var(--ink-soft); font-size: 0.86rem; }

.lead-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(280px, 0.7fr); gap: clamp(40px, 7vw, 88px); align-items: stretch; }

.story { position: relative; padding: 26px 0 30px; border-top: 1px solid var(--line); }
.story h2 { max-width: 26ch; margin: 14px 0 12px; color: var(--blue-deep); font-size: clamp(1.35rem, 2.3vw, 2rem); line-height: 1.2; letter-spacing: -0.02em; text-wrap: balance; }
.story h2 a { text-decoration: none; }
.story h2 a:hover { color: var(--green-dark); text-decoration: underline; }
.story > p { max-width: 66ch; margin: 0; color: var(--ink-soft); }

.story-featured { display: flex; flex-direction: column; min-height: 430px; padding: clamp(34px, 5vw, 64px); color: #fff; background: var(--blue); border: 0; border-radius: 16px; overflow: hidden; }
.story-featured::before {
  content: 'IT';
  position: absolute;
  right: -0.05em;
  bottom: -0.28em;
  color: rgba(255,255,255,0.06);
  font-size: clamp(13rem, 26vw, 24rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.08em;
}
.story-featured h2 { position: relative; max-width: 18ch; margin-top: auto; color: #fff; font-size: clamp(2.1rem, 4.6vw, 4.6rem); line-height: 0.99; }
.story-featured h2 a:hover { color: #fff; text-decoration-color: var(--green); }
.story-featured > p { position: relative; max-width: 58ch; color: #d9e7f5; }
.story-featured .story-meta,
.story-featured .story-foot { position: relative; color: #cfe0ef; }

.story-meta,
.story-foot { display: flex; flex-wrap: wrap; gap: 12px 22px; color: var(--ink-soft); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.035em; text-transform: uppercase; }
.story-meta span { color: var(--green-dark); }
.story-featured .story-meta span { color: #8effdb; }
.story-foot { justify-content: space-between; margin-top: 24px; padding-top: 16px; border-top: 1px solid currentColor; }

.editorial-note { display: flex; flex-direction: column; padding: 6px 0 10px; }
.editorial-note h2 { margin: 0 0 24px; color: var(--blue); font-size: 1.45rem; }
.editorial-note ol { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.editorial-note li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; padding: 19px 0; border-bottom: 1px solid var(--line); font-weight: 600; }
.editorial-note li span { color: var(--green-dark); font-variant-numeric: tabular-nums; }
.editorial-note > a { margin-top: auto; padding-top: 30px; color: var(--blue); font-weight: 700; }

.archive { background: var(--paper-blue); }
.archive-toolbar { align-items: start; }
.filters { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; max-width: 650px; }
.filter-chip { padding: 8px 13px; color: var(--blue); background: transparent; border: 1px solid var(--line-strong); border-radius: 999px; cursor: pointer; font-size: 0.8rem; font-weight: 700; }
.filter-chip:hover { background: #fff; }
.filter-chip.is-active { color: #fff; background: var(--blue); border-color: var(--blue); }

.story-list { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: 38px; }
.story-list .story { grid-column: span 6; }
.story-list .story:nth-child(3n) { grid-column: 3 / span 8; }

.empty-state { max-width: 660px; padding: 48px 0; }
.empty-state h2 { margin: 0 0 10px; color: var(--blue); }
.empty-state p { margin: 0 0 18px; color: var(--ink-soft); }
.text-button { padding: 0; color: var(--blue); background: none; border: 0; cursor: pointer; font-weight: 700; text-decoration: underline; text-underline-offset: 0.2em; }

.conversion-band { padding-block: clamp(62px, 8vw, 100px); color: #fff; background: var(--blue-deep); }
.conversion-grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.7fr); gap: 10vw; align-items: start; }
.conversion-grid h2 { max-width: 16ch; margin: 0; font-size: clamp(2rem, 4vw, 4rem); line-height: 1.02; letter-spacing: -0.03em; text-wrap: balance; }
.conversion-grid p { max-width: 55ch; margin: 0 0 26px; color: #d9e7f5; }

.editorial-footer { padding-block: 44px; color: #dbe8f5; background: #0b213e; border-top: 1px solid #35506f; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-grid strong { color: #fff; font-size: 1.1rem; }
.footer-grid p { margin: 4px 0 0; font-size: 0.86rem; }
.footer-grid nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 24px; font-size: 0.82rem; }

/* Article */
.article-masthead { color: #fff; background: var(--blue-deep); border-bottom: 8px solid var(--green); }
.article-head-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) 260px; gap: clamp(50px, 9vw, 130px); padding-block: clamp(64px, 9vw, 112px); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 56px; color: #c6d8ea; font-size: 0.78rem; }
.article-head-grid h1 { max-width: 20ch; margin: 0; font-size: clamp(2.35rem, 5.3vw, 5.25rem); line-height: 0.99; letter-spacing: -0.035em; text-wrap: balance; }
.article-lead { max-width: 68ch; margin: 28px 0 0; color: #d9e7f5; font-size: 1.12rem; }
.article-facts { align-self: end; margin: 0; }
.article-facts div { padding: 16px 0; border-top: 1px solid rgba(255,255,255,0.35); }
.article-facts dt { color: #a9bed3; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.article-facts dd { margin: 4px 0 0; font-size: 0.9rem; font-variant-numeric: tabular-nums; }

.article-layout { display: grid; grid-template-columns: 220px minmax(0, 720px) minmax(190px, 1fr); gap: clamp(30px, 5vw, 66px); align-items: start; padding-block: clamp(62px, 9vw, 110px); }
.answer-card { position: sticky; top: 104px; padding-top: 18px; border-top: 4px solid var(--green); }
.answer-card span { color: var(--green-dark); font-size: 0.73rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; }
.answer-card p { margin: 10px 0 0; color: var(--blue-deep); font-weight: 700; line-height: 1.5; }

.article-body { min-width: 0; }
.article-section { margin-top: 76px; }
.article-section:first-child { margin-top: 0; }
.article-section h2,
.source-section h2 { margin: 0 0 24px; color: var(--blue); font-size: clamp(1.7rem, 3vw, 2.55rem); line-height: 1.15; letter-spacing: -0.025em; text-wrap: balance; }
.article-section p { max-width: 72ch; margin: 0 0 20px; }
.article-section ul { max-width: 68ch; margin: 26px 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.article-section li { position: relative; padding: 16px 0 16px 28px; border-bottom: 1px solid var(--line); }
.article-section li::before { content: ''; position: absolute; left: 2px; top: 27px; width: 9px; height: 9px; background: var(--green); border-radius: 50%; }

.faq-section details { border-top: 1px solid var(--line); }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { padding: 18px 34px 18px 0; color: var(--blue-deep); cursor: pointer; font-weight: 700; }
.faq-section details p { padding: 0 28px 18px 0; color: var(--ink-soft); }

.source-section { margin-top: 90px; padding: 34px; background: var(--paper-blue); border-radius: 14px; }
.source-section > p { margin: 0 0 24px; color: var(--ink-soft); font-size: 0.88rem; }
.source-section ol { margin: 0; padding-left: 22px; }
.source-section li { padding: 8px 0 8px 8px; }
.source-section li a { color: var(--blue); font-weight: 700; }
.source-section li span { display: block; color: var(--ink-soft); font-size: 0.75rem; }

.sticky-cta { position: sticky; top: 104px; padding: 22px; color: #fff; background: var(--blue); border-radius: 14px; }
.sticky-cta p { margin: 0 0 18px; font-size: 0.9rem; }
.sticky-cta a { display: inline-block; color: #fff; font-weight: 800; text-decoration-color: var(--green); text-decoration-thickness: 3px; }

.related { background: var(--paper-blue); }
.related > .editorial-container > h2 { margin-bottom: 34px; padding-bottom: 18px; border-bottom: 1px solid var(--line-strong); }

@media (max-width: 980px) {
  .hero-grid,
  .lead-grid,
  .conversion-grid,
  .article-head-grid { grid-template-columns: 1fr; }
  .search-panel { max-width: 620px; }
  .story-featured { min-height: 380px; }
  .editorial-note > a { margin-top: 28px; }
  .article-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .article-layout { grid-template-columns: 180px minmax(0, 1fr); }
  .sticky-cta { position: static; grid-column: 2; }
}

@media (max-width: 720px) {
  .editorial-container { width: min(calc(100% - 28px), var(--max)); }
  .header-row { min-height: 64px; gap: 18px; }
  .brand img { width: 112px; }
  .editorial-nav { gap: 12px; font-size: 0.78rem; }
  .editorial-nav > a:first-child { display: none; }
  .nav-cta { min-height: 40px; padding: 8px 12px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .articles-hero::after { right: -260px; }
  .hero-copy h1,
  .article-head-grid h1 { letter-spacing: -0.025em; }
  .section-heading,
  .archive-toolbar { align-items: start; flex-direction: column; gap: 16px; }
  .filters { justify-content: flex-start; }
  .story-list { display: block; }
  .story-list .story { grid-column: auto; }
  .story-featured { min-height: 430px; padding: 28px; }
  .story-featured h2 { font-size: clamp(2rem, 10vw, 3.2rem); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid nav { justify-content: flex-start; }
  .article-head-grid { gap: 44px; }
  .breadcrumbs { margin-bottom: 36px; }
  .article-facts { grid-template-columns: 1fr; gap: 0; }
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .answer-card { position: static; }
  .sticky-cta { grid-column: auto; }
  .source-section { margin-inline: -4px; padding: 26px 20px; }
}

@media (max-width: 440px) {
  .editorial-nav a[aria-current='page'] { display: none; }
  .hero-copy h1 { font-size: 2.55rem; }
  .search-control { grid-template-columns: 22px minmax(0, 1fr); }
  .search-control button { grid-column: 2; justify-self: start; padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}

@media print {
  .editorial-header, .editorial-footer, .sticky-cta, .conversion-band, .related { display: none; }
  .article-masthead { color: #000; background: #fff; border-bottom: 2px solid #000; }
  .article-category, .article-lead, .article-facts dt { color: #333; }
  .article-layout { display: block; padding-block: 32px; }
  .answer-card { position: static; margin-bottom: 30px; }
  .article-section { break-inside: avoid; }
}