/* ==========================================================================
   Vizuweb — magazine du web design et de la création visuelle
   Feuille unique · blanc / indigo · responsive · zéro JavaScript
   ========================================================================== */

:root {
  --paper: #fcfcfa;
  --card: #ffffff;
  --ink: #16182e;
  --muted: #5a5d73;
  --indigo: #4338ca;
  --indigo-deep: #312e81;
  --indigo-soft: #eef0fe;
  --indigo-mist: #f6f6ff;
  --accent: #6d67f0;
  --line: #e6e7f0;
  --gold: #b79a4b;
  --shadow: 0 1px 2px rgba(22, 24, 46, .04), 0 12px 32px -18px rgba(49, 46, 129, .25);
  --radius: 14px;
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-text: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a { color: var(--indigo); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

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

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

/* ---------- Typo commune ---------- */

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.15; letter-spacing: -.01em; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--indigo);
}
.kicker::before { content: ""; width: 26px; height: 2px; background: var(--indigo); }

.chip {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--indigo-soft);
  color: var(--indigo-deep);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.meta { color: var(--muted); font-size: 14px; }

.lede { font-size: 20px; line-height: 1.6; color: var(--muted); }

/* ---------- En-tête ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(252, 252, 250, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
}
.wordmark { display: flex; flex-direction: column; line-height: 1.1; }
.wordmark strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  color: var(--ink);
}
.wordmark strong em { color: var(--indigo); font-style: italic; }
.wordmark span { font-size: 14px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }

.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.main-nav a { display: inline-flex; align-items: center; min-height: 42px; color: var(--ink); font-size: 15px; font-weight: 500; }
.main-nav a:hover { color: var(--indigo); text-decoration: none; }
.main-nav a[aria-current="page"] { color: var(--indigo); box-shadow: inset 0 -2px 0 var(--indigo); padding-bottom: 2px; }

/* ---------- Héros (dégradé CSS, aucune photo) ---------- */

.hero {
  position: relative;
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(109, 103, 240, .55), transparent 62%),
    radial-gradient(760px 420px at -6% 108%, rgba(67, 56, 202, .38), transparent 60%),
    linear-gradient(128deg, #1e1b4b 0%, #312e81 38%, #4338ca 72%, #6d67f0 100%);
  color: #fff;
  padding: 88px 0 96px;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -58% 42%;
  height: 130%;
  background: radial-gradient(closest-side, rgba(255, 255, 255, .14), transparent);
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero .kicker { color: #c7d2fe; }
.hero .kicker::before { background: #c7d2fe; }
.hero h1 {
  max-width: 15ch;
  margin: 18px 0 20px;
  font-size: clamp(38px, 6vw, 66px);
  font-weight: 640;
  color: #fff;
}
.hero h1 em { font-style: italic; color: #c7d2fe; }
.hero p { max-width: 58ch; font-size: 19px; color: #e0e2fc; }
.hero-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--indigo-deep); box-shadow: 0 10px 30px -12px rgba(0, 0, 0, .45); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, .55); color: #fff; }
.btn-ghost:hover { border-color: #fff; }

/* ---------- Sections ---------- */

.section { padding: 72px 0; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; margin-bottom: 34px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 36px); }
.section-head .more { display: inline-flex; align-items: center; font-weight: 600; font-size: 15px; white-space: nowrap; min-height: 42px; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: #c9cdf5; }
.card h3 { font-size: 21px; }
.card h3 a { display: inline-block; padding: 8px 2px; margin: -8px -2px; color: inherit; }
.card p { color: var(--muted); font-size: 15.5px; }
.card .meta { margin-top: auto; }

.card-visual {
  border-radius: 10px;
  min-height: 96px;
  background:
    radial-gradient(140% 120% at 100% 0%, rgba(255, 255, 255, .28), transparent 46%),
    linear-gradient(135deg, #312e81, #4338ca 55%, #8b87f2);
}
.card-visual.alt-a { background: linear-gradient(135deg, #1e1b4b, #4f46e5 70%, #a5b4fc); }
.card-visual.alt-b { background: linear-gradient(160deg, #4338ca, #6d67f0 45%, #e0e2fc); }
.card-visual.alt-c { background: radial-gradient(120% 140% at 0% 0%, #6d67f0, #312e81 58%, #1e1b4b); }
.card-visual.alt-d { background: linear-gradient(200deg, #c7d2fe, #6d67f0 55%, #312e81); }

/* ---------- Sommaire / rubriques ---------- */

.rubric-band { background: var(--indigo-mist); border-block: 1px solid var(--line); }
.rubric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.rubric { padding: 6px 4px; }
.rubric h3 { font-size: 20px; margin: 10px 0 8px; }
.rubric p { color: var(--muted); font-size: 15.5px; }
.rubric .num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 30px;
  color: var(--indigo);
}

/* ---------- Article ---------- */

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; padding: 26px 0 0; font-size: 14px; color: var(--muted); }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 40px; color: var(--muted); }
.breadcrumb .sep { display: inline-flex; align-items: center; color: var(--muted); }

.article-head { padding: 34px 0 8px; }
.article-head h1 { font-size: clamp(30px, 4.6vw, 46px); margin: 16px 0 14px; }
.article-head .lede { margin-bottom: 14px; }
.article-head .meta { display: flex; flex-wrap: wrap; gap: 8px 18px; padding-bottom: 26px; border-bottom: 1px solid var(--line); }

.issue-banner {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 26px 0;
  padding: 20px 24px;
  border: 1px dashed #c9cdf5;
  border-radius: var(--radius);
  background: var(--indigo-mist);
}
.issue-banner .num {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 700;
  font-size: 44px;
  line-height: 1;
  color: var(--indigo);
}
.issue-banner p { font-size: 15px; color: var(--muted); }

.prose { padding: 8px 0 30px; }
.prose h2 { font-size: 28px; margin: 46px 0 14px; padding-top: 10px; }
.prose h2::before { content: "§ "; color: var(--accent); font-style: italic; }
.prose h3 { font-size: 21px; margin: 32px 0 10px; }
.prose p { margin: 0 0 20px; }
.prose ul, .prose ol { margin: 0 0 22px 26px; }
.prose li { margin-bottom: 10px; }
.prose li::marker { color: var(--indigo); font-weight: 700; }
.prose strong { font-weight: 650; }
.prose code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: .88em;
  padding: 2px 7px;
  border-radius: 6px;
  background: var(--indigo-soft);
  color: var(--indigo-deep);
}
.prose figure { margin: 30px 0; }
.prose figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }
.prose .drop-cap::first-letter {
  float: left;
  font-family: var(--font-display);
  font-size: 64px;
  line-height: .82;
  padding: 8px 12px 0 0;
  color: var(--indigo);
  font-weight: 640;
}

.pullquote {
  margin: 36px 0;
  padding: 8px 0 8px 28px;
  border-left: 3px solid var(--indigo);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 24px;
  line-height: 1.45;
  color: var(--indigo-deep);
}

.callout {
  margin: 30px 0;
  padding: 20px 24px;
  background: var(--indigo-soft);
  border-radius: var(--radius);
  font-size: 15.5px;
}
.callout strong { color: var(--indigo-deep); }

/* ---------- À lire ensuite ---------- */

.related { background: var(--indigo-mist); border-top: 1px solid var(--line); }

/* ---------- Listes d'archive ---------- */

.archive-list { display: flex; flex-direction: column; }
.archive-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 22px;
  align-items: baseline;
  padding: 22px 6px;
  border-bottom: 1px solid var(--line);
}
.archive-row .date { font-size: 14px; color: var(--muted); letter-spacing: .04em; }
.archive-row h3 { font-size: 20px; }
.archive-row p { color: var(--muted); font-size: 15px; margin-top: 4px; }
.archive-row .chip { justify-self: end; align-self: center; }

/* ---------- Comparatif / tableaux ---------- */

.table-wrap { overflow-x: auto; margin: 28px 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 620px; }
caption { caption-side: bottom; padding: 12px; font-size: 14px; color: var(--muted); text-align: left; }
th, td { padding: 13px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th {
  font-size: 14px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--indigo-deep);
  background: var(--indigo-soft);
}
tbody tr:last-child td { border-bottom: none; }
td strong { font-weight: 650; }

/* ---------- Contact ---------- */

.contact-card {
  margin: 30px 0;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #1e1b4b, #4338ca 78%);
  color: #e0e2fc;
}
.contact-card h2 { color: #fff; font-size: 24px; margin-bottom: 10px; }
.contact-card a { color: #c7d2fe; font-weight: 600; }

/* ---------- Pied de page ---------- */

.site-footer { background: #101228; color: #b9bbd6; padding: 60px 0 40px; margin-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 17px; margin-bottom: 14px; font-family: var(--font-text); font-weight: 650; letter-spacing: .02em; }
.site-footer a { color: #c7d2fe; }
.site-footer ul { list-style: none; display: flex; flex-direction: column; gap: 2px; font-size: 15px; }
.site-footer ul a { display: inline-flex; align-items: center; min-height: 40px; }
.site-footer .wordmark strong { color: #fff; }
.site-footer .wordmark strong em { color: #a5b4fc; }
.site-footer .wordmark span { color: #9fa2c7; }
.site-footer p { font-size: 14.5px; line-height: 1.7; }
.footer-bottom {
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid #262a4a;
  font-size: 14px;
  color: #9fa2c7;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom a { display: inline-flex; align-items: center; min-height: 40px; }

/* ---------- Responsive ---------- */

@media (max-width: 960px) {
  .grid-cards, .grid-cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .rubric-grid { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .archive-row { grid-template-columns: 1fr; gap: 6px; }
  .archive-row .chip { justify-self: start; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .hero { padding: 60px 0 66px; }
  .section { padding: 52px 0; }
  .grid-cards, .grid-cards.cols-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .main-nav { gap: 16px; }
  .main-nav a { font-size: 14px; }
  .prose h2 { font-size: 24px; }
  .issue-banner { flex-direction: column; align-items: flex-start; gap: 10px; }
}

@media print {
  .site-header, .hero-links, .related, .site-footer { display: none; }
  body { font-size: 12pt; }
}

/* ---- Pipeline photos ---- */
.hero-photo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 40%; opacity: .38; }
.hero .wrap { position: relative; z-index: 1; }
figure.planche { margin: 34px 0; }
figure.planche img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; border-radius: 10px; border: 1px solid rgba(99, 102, 241, .18); }
figure.planche figcaption { font-size: .9rem; font-style: italic; margin-top: 8px; color: #475069; }

/* pipeline photos */
.card-visual.photo { background-size: cover; background-position: center; }