/* ============================================================
   Wharden - feuille de style commune
   Palette derivee du logo : bleus profonds vers cyan
   ============================================================ */

:root {
  --bg:           #0A0E1A;
  --bg-raised:    #121A2E;
  --bg-raised-2:  #18223C;
  --line:         #243352;
  --text:         #E8EDF7;
  --text-dim:     #8A97B0;
  --text-faint:   #5C6A85;
  --accent:       #2FB6E8;
  --accent-2:     #4FD4E8;
  --accent-deep:  #1B3A6B;
  --danger:       #E85D75;

  --font-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body:    "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --maxw: 1080px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Fond : grille discrete evoquant un schema d'infra */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }

/* ---------- Navigation ---------- */
header.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 14, 26, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { height: 30px; width: auto; display: block; }
.brand span {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: color 0.18s ease;
  position: relative;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.97rem;
  padding: 13px 24px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}
.btn-primary {
  background: linear-gradient(120deg, var(--accent-deep), var(--accent));
  color: #fff;
  box-shadow: 0 6px 22px rgba(47, 182, 232, 0.18);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(47, 182, 232, 0.30); }
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-2); }

/* ---------- Typographie utilitaire ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.12; font-weight: 600; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.22rem; }

.lead { color: var(--text-dim); font-size: 1.12rem; max-width: 60ch; }

/* ---------- Sections ---------- */
section { padding: 92px 0; position: relative; z-index: 1; }
.section-line { border-top: 1px solid var(--line); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 84px; position: relative; }
.hero-logo { height: 64px; width: auto; margin-bottom: 38px; opacity: 0; animation: fadeUp 0.7s ease forwards; }
.hero h1 { margin-bottom: 24px; opacity: 0; animation: fadeUp 0.7s ease 0.08s forwards; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { opacity: 0; animation: fadeUp 0.7s ease 0.16s forwards; margin-bottom: 36px; font-size: 1.2rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.7s ease 0.24s forwards; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Bandeau de reperes ---------- */
.markers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 64px;
}
.marker { background: var(--bg-raised); padding: 26px 24px; }
.marker .num { font-family: var(--font-display); font-size: 2rem; font-weight: 600; color: var(--text); line-height: 1; }
.marker .num .u { color: var(--accent); font-size: 1.1rem; }
.marker .lbl { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); margin-top: 10px; }

/* ---------- Bloc AD mis en avant ---------- */
.feature {
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(47,182,232,0.10), transparent 55%),
    var(--bg-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 16px;
  padding: 40px 40px 36px;
  margin-top: 14px;
}
.feature .k { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.feature h3 { font-size: 1.55rem; margin: 12px 0 14px; }
.feature p.intro { color: var(--text-dim); max-width: 64ch; margin-bottom: 26px; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 30px; }
.feature-list .li { display: flex; gap: 12px; align-items: flex-start; }
.feature-list .li svg { width: 18px; height: 18px; flex: none; stroke: var(--accent); fill: none; stroke-width: 2; margin-top: 3px; }
.feature-list .li b { font-weight: 600; color: var(--text); display: block; font-size: 0.98rem; }
.feature-list .li span { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Bloc prestation detaillee (page expertise) ---------- */
.svc {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 34px;
  margin-bottom: 16px;
  transition: border-color 0.2s ease;
}
.svc:hover { border-color: var(--accent); }
.svc.lead-svc { border-left: 3px solid var(--accent); }
.svc .svc-k { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.svc h3 { font-size: 1.28rem; margin: 10px 0 12px; }
.svc > p { color: var(--text-dim); max-width: 70ch; margin-bottom: 18px; }
.svc ul { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px 28px; }
.svc li { color: var(--text-dim); font-size: 0.96rem; padding-left: 18px; position: relative; }
.svc li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }
.svc.minor { padding: 24px 30px; }
.svc.minor h3 { font-size: 1.1rem; }

/* ancien bloc tiering conserve pour compat (non utilise) */
.tier[data-t="0"] { border-left-color: var(--accent-2); }
.tier[data-t="1"] { border-left-color: var(--accent); }
.tier[data-t="2"] { border-left-color: var(--accent-deep); }

/* ---------- Grille de prestations ---------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 14px; }
.card {
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 30px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); background: var(--bg-raised-2); }
.card .k { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); letter-spacing: 0.08em; }
.card h3 { margin: 12px 0 10px; }
.card p { color: var(--text-dim); font-size: 0.98rem; }

/* ---------- Timeline d'experiences ---------- */
.xp { display: grid; gap: 0; margin-top: 16px; }
.xp-item {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.xp-item:last-child { border-bottom: 1px solid var(--line); }
.xp-when { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-faint); padding-top: 4px; }
.xp-body h3 { font-size: 1.12rem; margin-bottom: 4px; }
.xp-role { color: var(--accent); font-size: 0.92rem; font-family: var(--font-mono); margin-bottom: 12px; }
.xp-body ul { list-style: none; display: grid; gap: 7px; }
.xp-body li { color: var(--text-dim); font-size: 0.97rem; padding-left: 18px; position: relative; }
.xp-body li::before { content: "▹"; position: absolute; left: 0; color: var(--accent); }

/* ---------- Certifications ---------- */
.certs { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.cert {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 16px;
  color: var(--text);
}
.cert b { color: var(--accent); font-weight: 500; }

/* ---------- Listes de competences ---------- */
.skills { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; margin-top: 16px; }
.skill-group h3 { font-size: 1rem; font-family: var(--font-mono); color: var(--accent); letter-spacing: 0.04em; margin-bottom: 14px; font-weight: 500; }
.skill-group ul { list-style: none; display: grid; gap: 8px; }
.skill-group li { color: var(--text-dim); font-size: 0.97rem; padding-left: 16px; position: relative; }
.skill-group li::before { content: "·"; position: absolute; left: 4px; color: var(--accent); font-weight: 700; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 26px; }
.contact-card {
  display: flex; align-items: center; gap: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-card .ico {
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
}
.contact-card .ico svg { width: 22px; height: 22px; stroke: #fff; fill: none; stroke-width: 1.8; }
.contact-card .meta .t { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-faint); }
.contact-card .meta .v { color: var(--text); font-size: 1.02rem; margin-top: 2px; word-break: break-all; }

/* ---------- Pied de page ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  position: relative; z-index: 1;
}
.foot-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.foot-inner .left { display: flex; align-items: center; gap: 11px; }
.foot-inner img { height: 24px; }
.foot-inner .left span { font-family: var(--font-display); font-weight: 600; }
.foot-inner .muted { color: var(--text-faint); font-size: 0.86rem; }

/* ---------- En-tete de page interne ---------- */
.page-head { padding: 72px 0 40px; }
.page-head h1 { margin-bottom: 18px; }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 0.88rem; }
  .markers { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: 1fr; }
  .skills { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .xp-item { grid-template-columns: 1fr; gap: 10px; }
  .tier { grid-template-columns: 70px 1fr; gap: 14px; padding: 18px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .brand span { font-size: 1.1rem; }
  section { padding: 64px 0; }
  .nav-links { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .hero-logo, .hero h1, .hero .lead, .hero-cta { opacity: 1 !important; }
}

/* Focus clavier visible */
a:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Page mentions légales ---------- */
.legal { max-width: 760px; }
.legal h2 {
  font-size: 1.3rem;
  margin: 38px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.legal h2:first-child { margin-top: 0; }
.legal p { color: var(--text-dim); margin-bottom: 14px; }
.legal a { color: var(--accent-2); }
.legal a:hover { text-decoration: underline; }
.legal-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 8px 0 20px; }
.legal-list > div { display: grid; grid-template-columns: 240px 1fr; background: var(--bg-raised); }
.legal-list dt { font-family: var(--font-mono); font-size: 0.82rem; color: var(--text-faint); padding: 13px 18px; letter-spacing: 0.02em; }
.legal-list dd { color: var(--text); padding: 13px 18px; font-size: 0.96rem; }
@media (max-width: 600px) {
  .legal-list > div { grid-template-columns: 1fr; }
  .legal-list dt { padding-bottom: 2px; }
  .legal-list dd { padding-top: 2px; }
}

/* ---------- Pied de page avec lien légal ---------- */
.foot-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.foot-right a { color: var(--text-dim); font-size: 0.86rem; transition: color 0.18s ease; }
.foot-right a:hover { color: var(--text); }