/* ==========================================================================
   Ritchie Dagonia — développeur web front-end à Lyon
   Feuille de style unique, sans framework.
   ========================================================================== */

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

:root {
  --bg: #ffffff;
  --bg-soft: #f5f5f7;
  --ink: #2a2c31;
  --ink-2: #474a52;
  --muted: #6d717a;
  --line: #e3e4e8;
  --accent: #c8102e;
  --accent-dark: #a20c25;
  --accent-soft: #fbe7ea;
  --code-bg: #23252a;
  --code-fg: #e9eaee;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --display: "Space Grotesk", "IBM Plex Sans", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 22, 30, 0.05), 0 12px 32px -20px rgba(20, 22, 30, 0.3);
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
}

h1, h2, h3 {
  font-family: var(--display);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 0.6em;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

a:hover { color: var(--accent-dark); }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--bg-soft);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

.wrap {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

.prose { max-width: 46rem; }

/* Lien d'évitement ------------------------------------------------------- */

.skip {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 100;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 8px;
}

.skip:focus { top: 1rem; }

/* En-tête ---------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  flex-wrap: wrap;
  padding-block: 0.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand:hover { color: var(--accent); }

.brand svg {
  width: 34px;
  height: 34px;
  flex: none;
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
}

.site-nav a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover {
  background: var(--bg-soft);
  color: var(--ink);
}

.site-nav a[aria-current="page"] {
  background: var(--ink);
  color: #fff;
}

/* Bandeau d'accueil ------------------------------------------------------ */

.hero {
  position: relative;
  padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2.5rem, 5vw, 4rem);
  overflow: hidden;
}

.hero::before {
  content: "{";
  position: absolute;
  right: -0.05em;
  top: -0.3em;
  z-index: -1;
  font-family: var(--mono);
  font-size: clamp(14rem, 30vw, 26rem);
  line-height: 1;
  color: var(--bg-soft);
  pointer-events: none;
  user-select: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: center;
}

.kicker {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.lead {
  font-size: 1.2rem;
  color: var(--ink-2);
  max-width: 36rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.hero-meta li {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
}

.hero-meta li::before {
  content: "#";
  color: var(--accent);
  margin-right: 0.25em;
}

/* Carte de code décorative ---------------------------------------------- */

.code-card {
  background: var(--code-bg);
  color: var(--code-fg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.code-head {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: #a0a4ad;
}

.code-head i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #5a5e68;
}

.code-head i:first-child { background: var(--accent); }

.code-head b {
  margin-left: auto;
  font-weight: 400;
}

.code {
  margin: 0;
  padding: 1.1rem 1.25rem 1.3rem;
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.75;
  overflow-x: auto;
  white-space: pre;
}

.code .cm  { color: #8a8f9a; font-style: italic; }
.code .kw  { color: #f38ba0; }
.code .key { color: #c5cdff; }
.code .str { color: #9ee3a8; }
.code .num { color: #ffd36b; }

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

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line);
}

.section-alt { background: var(--bg-soft); }

.section h2::before {
  content: "// ";
  font-family: var(--mono);
  font-weight: 400;
  color: var(--accent);
}

.section-head {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.section-head p {
  color: var(--ink-2);
  font-size: 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  align-items: start;
}

/* Compétences ------------------------------------------------------------ */

.skills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.skill {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  box-shadow: var(--shadow);
}

.skill h3 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.3rem;
}

.skill h3 span {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 400;
  color: var(--muted);
}

.skill p {
  color: var(--ink-2);
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
}

.bar {
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #ff5d73);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.tags li {
  font-family: var(--mono);
  font-size: 0.78rem;
  background: var(--accent-soft);
  color: var(--accent-dark);
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

/* Liste « repères » ------------------------------------------------------ */

.marks {
  list-style: none;
  margin: 0;
  padding: 1.3rem 1.4rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--ink-2);
}

.marks li {
  padding: 0.35rem 0;
}

.marks li::before {
  content: "→ ";
  color: var(--accent);
}

/* Conseils ---------------------------------------------------------------- */

.tips {
  list-style: none;
  counter-reset: tip;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.tips li {
  counter-increment: tip;
  position: relative;
  padding: 1.2rem 1.3rem 1.2rem 4.2rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.tips li::before {
  content: "0" counter(tip);
  position: absolute;
  left: 1.2rem;
  top: 1.05rem;
  font-family: var(--mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.tips strong {
  display: block;
  font-family: var(--display);
  margin-bottom: 0.2rem;
}

/* Projets ----------------------------------------------------------------- */

.page-head {
  padding-block: clamp(3rem, 6vw, 5rem) clamp(2rem, 4vw, 3rem);
  position: relative;
  overflow: hidden;
}

.page-head::before {
  content: "[ ]";
  position: absolute;
  right: 0;
  top: -0.2em;
  z-index: -1;
  font-family: var(--mono);
  font-size: clamp(9rem, 22vw, 18rem);
  line-height: 1;
  color: var(--bg-soft);
  pointer-events: none;
  user-select: none;
}

.projects {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  padding-block: 1rem 3rem;
}

.project {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.6rem 1.7rem 1.4rem;
}

.project-id {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

.project-id::before {
  content: "$ ";
  color: var(--accent);
}

.project h2 {
  font-size: 1.5rem;
  margin: 0.35rem 0 0.6rem;
}

.project h3 {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 1rem 0 0.25rem;
}

.project h3::before { content: "> "; }

.project p {
  color: var(--ink-2);
  font-size: 0.98rem;
}

.project .tags { margin-top: auto; padding-top: 1rem; }

.outro {
  border-top: 1px solid var(--line);
  padding-block: 2.5rem 1rem;
}

/* Mentions légales -------------------------------------------------------- */

.legal {
  max-width: 46rem;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.legal h2 {
  font-size: 1.35rem;
  margin-top: 2rem;
}

.legal address {
  font-style: normal;
  line-height: 1.7;
  padding: 1rem 1.25rem;
  background: var(--bg-soft);
  border-radius: var(--radius);
}

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

.site-footer {
  background: var(--ink);
  color: #d5d7dd;
  padding-block: 2.5rem;
  margin-top: 2rem;
}

.site-footer .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1.5rem 3rem;
  align-items: start;
}

.site-footer strong {
  display: block;
  color: #fff;
  font-family: var(--display);
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.site-footer strong::before {
  content: "</> ";
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 400;
}

.site-footer p { margin-bottom: 0.5rem; }

.site-footer a { color: #fff; }

.site-footer a:hover { color: #ffb3bf; }

.site-footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.contact {
  font-family: var(--mono);
  font-size: 0.88rem;
}

/* Écrans étroits ---------------------------------------------------------- */

@media (max-width: 760px) {
  .hero-grid,
  .split,
  .site-footer .wrap {
    grid-template-columns: 1fr;
  }

  .hero::before { font-size: 11rem; }

  .site-header .wrap { justify-content: center; }
}

@media (max-width: 440px) {
  body { font-size: 1rem; }

  .wrap { width: min(100% - 2rem, 68rem); }

  .project,
  .skill {
    padding: 1.2rem 1.1rem;
  }

  .tips li { padding-left: 3.6rem; }
}

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

/* 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{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin:2.5rem 0 1rem;border-top:1px solid #ddd;padding-top:1.5rem}.photos figure{margin:0}.photos img{width:100%;height:auto;display:block;aspect-ratio:4/3;object-fit:cover;border-radius:4px}.photos figcaption{font-family:ui-monospace,Menlo,monospace;font-size:.75rem;margin-top:.4rem;color:#c8102e}@media(max-width:560px){.photos{grid-template-columns:1fr}}