/* Portfolio For U — réf. client XNHGRV */
:root {
  --pfu-ref: "XNHGRV";

  --bg: #0a0f1a;
  --bg-alt: #101826;
  --ink: #eef2f7;
  --ink-soft: #94a5ba;
  --accent: #22b8cf;
  --accent-soft: #7dd8e8;
  --line: #1c2736;
  --surface: #121b2b;
  --status: #34d399;

  --font-display: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-body: "Inter", -apple-system, "Segoe UI", sans-serif;

  --max-width: 1280px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--ink);
}

h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.2rem); }
h3 { font-size: 1.15rem; }

p { margin: 0 0 16px; color: var(--ink-soft); }

a { color: var(--accent-soft); text-decoration: none; }
a:hover { color: var(--accent); }

.section-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 12px;
}

.center { text-align: center; }
.section-label.center { display: block; }

section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 88px 32px;
}

/* ---------- Nav ---------- */
.nav-toggle { display: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 15, 26, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
}
.logo .dot { color: var(--accent); }

.main-nav { display: flex; align-items: center; gap: 28px; }

.main-nav a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
}
.main-nav a:hover, .main-nav a.active { color: var(--ink); }

.nav-cta {
  background: var(--accent);
  color: #06232a !important;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-soft); color: #06232a !important; }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 60;
}
.burger span {
  width: 24px; height: 2px; background: var(--ink); display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* ---------- Hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-text { font-size: 1.05rem; max-width: 48ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.92rem;
  font-family: var(--font-display);
}
.btn-primary { background: var(--accent); color: #06232a !important; }
.btn-primary:hover { background: var(--accent-soft); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink) !important; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }

.hero-visual {
  position: relative;
  height: 380px;
  font-family: "IBM Plex Mono", monospace;
}
.term {
  position: absolute;
  inset: 0;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  font-size: 0.82rem;
  color: var(--accent-soft);
  overflow: hidden;
}
.term-bar { display: flex; gap: 6px; margin-bottom: 16px; }
.term-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.term-line { margin: 0 0 8px; color: var(--ink-soft); }
.term-line .k { color: var(--accent); }
.term-line .v { color: var(--status); }

.hero-stats { display: flex; gap: 28px; margin-top: 32px; flex-wrap: wrap; }
.hstat-num { font-family: var(--font-display); font-size: 1.6rem; color: var(--accent); display: block; }
.hstat-label { font-size: 0.82rem; color: var(--ink-soft); }

/* ---------- Cards / grids ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px 24px;
}
.card h3 { margin-bottom: 10px; }
.card .tag {
  display: inline-block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}

/* Status badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--status);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.status-badge::before {
  content: "";
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--status);
}

/* ---------- Tables ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.9rem;
}
th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
th {
  font-family: var(--font-display);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
td { color: var(--ink-soft); }

.table-wrap { overflow-x: auto; }

/* ---------- Lists ---------- */
.check-list { list-style: none; margin: 0 0 16px; padding: 0; }
.check-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  color: var(--ink-soft);
}
.check-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---------- Page hero (sub-pages) ---------- */
.page-hero {
  padding-top: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--line);
}
.page-hero p { max-width: 62ch; }
.breadcrumb {
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Timeline (parcours) ---------- */
.timeline { position: relative; margin-top: 32px; padding-left: 32px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 5px; top: 4px; bottom: 4px;
  width: 2px;
  background: var(--line);
}
.tl-item { position: relative; margin-bottom: 36px; }
.tl-item::before {
  content: "";
  position: absolute;
  left: -33px; top: 6px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
}
.tl-date {
  font-family: var(--font-display);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.tl-item h3 { margin-bottom: 4px; }
.tl-item .tl-place { color: var(--ink-soft); font-size: 0.88rem; margin-bottom: 8px; }

/* ---------- Skills grid ---------- */
.skill-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
}
.skill-card h3 { color: var(--accent); margin-bottom: 12px; font-size: 1rem; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tags span {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.8rem;
  padding: 5px 12px;
  border-radius: 999px;
}

/* ---------- Project detail blocks ---------- */
.project-block { margin-top: 48px; }
.project-block h2 { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.infra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin: 28px 0;
}
.infra-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 18px 20px;
}
.infra-card h4 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  margin: 0 0 8px;
  color: var(--ink);
}
.infra-card ul { margin: 0; padding-left: 18px; color: var(--ink-soft); font-size: 0.86rem; }
.infra-card ul li { margin-bottom: 4px; }

.flow-steps { counter-reset: step; margin: 24px 0; padding: 0; list-style: none; }
.flow-steps li {
  position: relative;
  padding-left: 40px;
  margin-bottom: 14px;
  color: var(--ink-soft);
}
.flow-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0; top: -2px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #06232a;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  display: flex; align-items: center; justify-content: center;
}

.doc-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.doc-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.86rem;
  color: var(--ink) !important;
}
.doc-links a:hover { border-color: var(--accent); }

/* ---------- Veille (articles) ---------- */
.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 24px;
}
.article-meta {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 10px;
  font-weight: 600;
}
.article-card h3 { margin-bottom: 12px; }
.article-card .label { color: var(--ink); font-weight: 600; }

/* ---------- Contact ---------- */
.contact { background: var(--bg-alt); max-width: none; }
.contact-inner { max-width: 640px; margin: 0 auto; text-align: center; }
.contact h2, .contact .section-label { color: #fff; }
.contact-actions { margin-top: 24px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.socials { display: flex; justify-content: center; gap: 24px; margin-top: 32px; }
.socials a { color: var(--ink-soft); font-size: 0.9rem; }
.socials a:hover { color: var(--accent); }
.note-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 28px;
  text-align: left;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-alt);
  color: #7c8aa0;
  text-align: center;
  padding: 24px 32px 40px;
  font-size: 0.82rem;
  border-top: 1px solid var(--line);
}
.demo-mention a { color: var(--accent-soft); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: 78%; max-width: 320px; height: 100vh;
    background: var(--bg-alt);
    flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px;
    padding: 40px; transform: translateX(100%); transition: transform 0.25s ease;
    box-shadow: -8px 0 24px rgba(0,0,0,0.3);
    border-left: 1px solid var(--line);
  }
  .burger { display: flex; }
  .nav-toggle:checked ~ .site-header .main-nav { transform: translateX(0); }
  .nav-toggle:checked ~ .site-header .burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .site-header .burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .site-header .burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { grid-template-columns: 1fr; padding-top: 40px; }
  .hero-visual { height: 240px; order: -1; }
  .card-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: 1fr; }
  section { padding: 56px 24px; }
}