/* Ritchie Dagonia — full-stack web developer in London */

:root {
  --bg: #0e1116;
  --bg-elev: #131720;
  --text: #e9ebef;
  --muted: #9aa3ad;
  --accent: #c6f135;
  --accent-dim: rgba(198, 241, 53, 0.14);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --grid: rgba(255, 255, 255, 0.035);
  --font-head: "Sora", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --measure: 46rem;
  color-scheme: dark;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: center top;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 241, 53, 0.35);
  transition: border-color 0.15s ease, color 0.15s ease;
}

a:hover,
a:focus-visible {
  border-bottom-color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
  color: #fff;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.45rem, 3.2vw, 1.9rem);
}

h3 {
  font-size: 1.1rem;
  margin-top: 1.5rem;
}

p {
  margin: 0 0 1.15rem;
}

ul {
  padding-left: 1.2rem;
  margin: 0 0 1.15rem;
}

li {
  margin-bottom: 0.6rem;
}

li::marker {
  color: var(--accent);
}

code,
.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0.08em 0.4em;
  color: var(--accent);
}

.wrap {
  width: 100%;
  max-width: 68rem;
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
  background: rgba(14, 17, 22, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding-block: 0.9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  border: none;
  color: #fff;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand .glyph {
  font-family: var(--font-mono);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid rgba(198, 241, 53, 0.4);
  border-radius: 4px;
  background: var(--accent-dim);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.site-nav li {
  margin: 0;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: none;
  padding-block: 0.2rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

.site-nav a[aria-current="page"]::before {
  content: "> ";
}

/* ---------- Main ---------- */

main {
  flex: 1;
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(2rem, 5vw, 4rem);
}

.hero {
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  position: relative;
}

.hero .kicker {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.hero .kicker svg {
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
}

.lede {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--accent);
  margin: 0.4rem 0 1.4rem;
}

.lede::before {
  content: "$ ";
  color: var(--muted);
}

.hero .intro {
  max-width: var(--measure);
  font-size: 1.12rem;
  color: var(--text);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  background: rgba(19, 23, 32, 0.6);
}

.section {
  display: grid;
  grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
  gap: 1.5rem clamp(1.5rem, 5vw, 4rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--line);
}

.section:first-of-type {
  border-top: none;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  padding-top: 0.5rem;
}

.section-label span {
  display: block;
  color: var(--muted);
  margin-top: 0.3rem;
  letter-spacing: 0;
}

.section-body {
  max-width: var(--measure);
}

.section-body p:last-child,
.section-body ul:last-child {
  margin-bottom: 0;
}

.advice li strong {
  color: #fff;
  font-weight: 600;
}

/* ---------- Notes page ---------- */

.notes-intro {
  max-width: var(--measure);
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: clamp(2rem, 5vw, 3rem);
}

.note {
  background: var(--bg);
  padding: clamp(1.3rem, 3vw, 2rem);
  position: relative;
}

.note .index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 0.7rem;
  display: block;
}

.note h2 {
  font-size: 1.25rem;
  margin-bottom: 0.7rem;
}

.note p {
  margin: 0;
  color: var(--text);
  font-size: 1rem;
}

/* ---------- Legal page ---------- */

.legal {
  max-width: var(--measure);
}

.legal h2 {
  font-size: 1.3rem;
  margin-top: 2rem;
}

.legal address {
  font-style: normal;
  line-height: 1.7;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
  margin-bottom: 1.15rem;
  color: var(--muted);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(19, 23, 32, 0.7);
  padding-block: 1.6rem calc(1.6rem + env(safe-area-inset-bottom, 0px));
  font-size: 0.92rem;
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer p {
  margin: 0;
}

.site-footer .sig {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.site-footer .sig strong {
  color: var(--text);
  font-weight: 500;
}

.site-footer a {
  color: var(--text);
  border-bottom-color: var(--line-strong);
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

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

@media (max-width: 720px) {
  .section {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .section-label {
    padding-top: 0;
  }

  .section-label span {
    display: inline;
    margin-left: 0.5rem;
  }
}

@media (max-width: 420px) {
  body {
    font-size: 1rem;
    background-size: 48px 48px;
  }

  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .site-nav ul {
    gap: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  a {
    transition: none;
  }
}

/* Encadré « ailleurs sur le web » */
.ailleurs{margin:2.5rem auto 1rem;max-width:46rem;padding:.9rem 1.2rem;border-left:3px solid currentColor;line-height:1.55}
.ailleurs a{text-decoration:underline}

/* photos */
.photos{margin:1.5rem 0 2.5rem}.photos figure{margin:0}.photos img{width:100%;height:auto;display:block;aspect-ratio:21/9;object-fit:cover;border:1px solid #2a3140}.photos figcaption{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:.75rem;color:#c6f135;margin-top:.5rem}