/* learn.handstandpro.app · design system Handstand Pro */

@font-face {
  font-family: "Outfit";
  src: url("/assets/fonts/Outfit-Regular.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Outfit";
  src: url("/assets/fonts/Outfit-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Outfit";
  src: url("/assets/fonts/Outfit-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Outfit";
  src: url("/assets/fonts/Outfit-Bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Unbounded";
  src: url("/assets/fonts/Unbounded-Medium.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Unbounded";
  src: url("/assets/fonts/Unbounded-SemiBold.woff2") format("woff2");
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Unbounded";
  src: url("/assets/fonts/Unbounded-Bold.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --a1: #fb6f52;
  --a2: #e24699;
  --a3: #7a4de0;
  --bg-1: #171226;
  --bg-2: #100c1a;
  --ink: #f4f2f7;
  --ink-2: rgba(244, 242, 247, .72);
  --ink-3: rgba(244, 242, 247, .45);
  --glass: rgba(255, 255, 255, .06);
  --glass-strong: rgba(255, 255, 255, .1);
  --edge: rgba(255, 255, 255, .14);
  --shadow: 0 20px 60px rgba(0, 0, 0, .45), 0 4px 14px rgba(0, 0, 0, .3);
  --link: #ff9ec9;
  --r: 24px;
  --font-display: "Unbounded", system-ui, sans-serif;
  --font-ui: "Outfit", -apple-system, system-ui, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg-1: #f4f1fa;
    --bg-2: #e9e4f4;
    --ink: #241c33;
    --ink-2: rgba(36, 28, 51, .72);
    --ink-3: rgba(36, 28, 51, .45);
    --glass: rgba(255, 255, 255, .6);
    --glass-strong: rgba(255, 255, 255, .78);
    --edge: rgba(255, 255, 255, .8);
    --shadow: 0 20px 60px rgba(80, 50, 120, .14), 0 4px 14px rgba(80, 50, 120, .08);
    --link: #c22e7c;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 100%) no-repeat;
  background-color: var(--bg-2);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}
body::before, body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  opacity: .55;
}
body::before {
  width: 700px; height: 700px; top: -280px; right: -260px;
  background: radial-gradient(circle, var(--a1) 0%, transparent 62%);
}
body::after {
  width: 780px; height: 780px; bottom: -320px; left: -300px;
  background: radial-gradient(circle, var(--a3) 0%, transparent 62%);
}

/* ---- Accessibilité ---- */
.skip {
  position: absolute;
  left: 12px; top: -60px;
  z-index: 10;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--a3);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transition: top .2s;
}
.skip:focus { top: 12px; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--a2);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ---- En-tête ---- */
.site-header { padding: 14px clamp(14px, 4vw, 28px); }
.header-inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px 18px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .02em;
  text-transform: uppercase;
  text-decoration: none;
  background: linear-gradient(90deg, var(--a1), var(--a2), var(--a3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-right: auto;
}
.brand img { border-radius: 8px; display: block; }
.site-nav { display: flex; gap: 4px 14px; flex-wrap: wrap; }
.site-nav a {
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  padding: 4px 2px;
}
.site-nav a:hover { color: var(--ink); }
.langs {
  display: inline-flex;
  gap: 4px;
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: 999px;
  padding: 4px;
}
.langs a {
  font-weight: 600;
  font-size: 13px;
  color: var(--ink-2);
  text-decoration: none;
  border-radius: 999px;
  padding: 5px 13px;
  transition: .2s;
}
.langs a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(90deg, var(--a1), var(--a2));
}
.langs a:not([aria-current]):hover { color: var(--ink); }

/* ---- Structure ---- */
main {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(8px, 2vw, 20px) clamp(14px, 4vw, 28px) 40px;
}
.card {
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: var(--r);
  box-shadow: var(--shadow);
}
.article { padding: clamp(22px, 5vw, 52px); }
.article.center { text-align: center; }

/* ---- Typographie ---- */
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.2;
  margin: .2em 0 .5em;
  overflow-wrap: break-word;
}
h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(18px, 3vw, 22px);
  line-height: 1.3;
  margin: 1.9em 0 .5em;
  overflow-wrap: break-word;
}
h3 {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 17px;
  margin: 1.5em 0 .3em;
  color: var(--ink);
}
p { margin: 0 0 15px; color: var(--ink-2); }
p strong, li strong { color: var(--ink); font-weight: 600; }
ul, ol { margin: 0 0 15px; padding-left: 24px; color: var(--ink-2); }
li { margin-bottom: 7px; }
a { color: var(--link); text-decoration: underline; text-decoration-color: transparent; transition: .2s; }
a:hover { text-decoration-color: currentColor; }

/* ---- Tableaux ---- */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 18px;
  border: 1px solid var(--edge);
  border-radius: 14px;
  background: var(--glass);
}
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 15px; }
thead th {
  font-family: var(--font-ui);
  font-weight: 700;
  text-align: left;
  color: var(--ink);
  background: var(--glass-strong);
  padding: 12px 14px;
  border-bottom: 1px solid var(--edge);
  white-space: nowrap;
}
tbody td {
  padding: 11px 14px;
  color: var(--ink-2);
  border-bottom: 1px solid var(--edge);
  vertical-align: top;
}
tbody tr:last-child td { border-bottom: 0; }
tbody td:first-child { color: var(--ink); font-weight: 600; }

/* ---- Encart CTA ---- */
.cta {
  margin: 36px 0 6px;
  padding: clamp(20px, 4vw, 32px);
  border-radius: 20px;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(120deg, var(--a1), var(--a2), var(--a3)) border-box;
}
@media (prefers-color-scheme: light) {
  .cta {
    background:
      linear-gradient(#fdfcff, #fdfcff) padding-box,
      linear-gradient(120deg, var(--a1), var(--a2), var(--a3)) border-box;
  }
}
.cta-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  margin-bottom: 8px;
}
.cta p:last-of-type { margin-bottom: 18px; }
.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  text-decoration: none;
  background: linear-gradient(90deg, var(--a1), var(--a2), var(--a3));
  box-shadow: 0 10px 30px rgba(226, 70, 153, .35);
  transition: filter .2s;
}
.btn:hover { filter: brightness(1.07); }

.backlink { margin-top: 22px; font-size: 15px; color: var(--ink-3); }

/* ---- Hubs ---- */
.hero { padding: clamp(10px, 3vw, 30px) 4px clamp(14px, 3vw, 26px); }
.hero h1 { font-size: clamp(26px, 5.5vw, 40px); }
.tagline { font-size: clamp(16px, 2.4vw, 19px); max-width: 640px; }
.feature {
  display: block;
  padding: clamp(22px, 4vw, 36px);
  text-decoration: none;
  border: 1px solid transparent;
  background:
    linear-gradient(var(--bg-1), var(--bg-1)) padding-box,
    linear-gradient(120deg, var(--a1), var(--a2), var(--a3)) border-box;
  transition: transform .2s;
}
@media (prefers-color-scheme: light) {
  .feature {
    background:
      linear-gradient(#fdfcff, #fdfcff) padding-box,
      linear-gradient(120deg, var(--a1), var(--a2), var(--a3)) border-box;
  }
}
.feature:hover { transform: translateY(-2px); }
.feature-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(90deg, var(--a1), var(--a2));
  border-radius: 999px;
  padding: 5px 13px;
  margin-bottom: 12px;
}
.feature h2 { margin: 0 0 8px; color: var(--ink); }
.feature p { margin: 0; }
.section-title { margin: 34px 4px 14px; }
.grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }
.mini {
  display: block;
  padding: 20px 22px;
  text-decoration: none;
  transition: transform .2s, background .2s;
}
.mini:hover { transform: translateY(-2px); background: var(--glass-strong); }
.mini h3 { margin: 0 0 6px; font-size: 16px; line-height: 1.35; }
.mini p { margin: 0; font-size: 14px; line-height: 1.55; color: var(--ink-2); }

/* ---- Pied de page ---- */
.site-footer {
  max-width: 860px;
  margin: 0 auto;
  padding: 10px clamp(14px, 4vw, 28px) 44px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  padding-top: 20px;
  border-top: 1px solid var(--edge);
}
.footer-links a {
  color: var(--ink-3);
  font-size: 14px;
  text-decoration: none;
}
.footer-links a:hover { color: var(--ink); }
.footer-note { color: var(--ink-3); font-size: 13px; margin-top: 14px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}