/* =========================================================================
   Portfolio Axel Boucif — Finance × Systèmes d'information
   Design system: "terminal financier" — grille, halos bleus, mono labels.
   Deux thèmes (clair / sombre) pilotés par la variable data-theme sur <html>.
   ========================================================================= */

/* ---- Thème CLAIR (par défaut) ------------------------------------------ */
:root {
  --bg:            #F6F8FE;
  --bg-soft:       #EEF3FF;
  --text:          #22305F;
  --text-strong:   #101B42;
  --muted:         #5C6689;
  --muted-2:       #8C95B1;
  --mono-label:    #7B86A6;
  --accent:        #2F4EA8;
  --accent-bright: #4C6FD8;
  --accent-soft:   #7A93F0;
  --orange:        #D57A36;
  --card-bg:       #FFFFFF;
  --card-bg-alt:   #F2F6FF;
  --panel-bg:      rgba(246, 248, 254, 0.82);
  --border:        rgba(33, 48, 103, 0.14);
  --border-strong: rgba(33, 48, 103, 0.24);
  --grid-line:     rgba(33, 48, 103, 0.055);
  --glow-1:        radial-gradient(ellipse at center, rgba(126,160,255,0.34), rgba(196,212,255,0.28) 45%, transparent 74%);
  --glow-2:        radial-gradient(circle at center, rgba(213,122,54,0.14), transparent 66%);
  --headline-grad: linear-gradient(100deg, #213067 5%, #3E5BC4 52%, #7A93F0 96%);
  --btn-primary-bg:   linear-gradient(140deg, #2B3F86, #1B2856);
  --btn-primary-fg:   #FFFFFF;
  --btn-primary-shadow: 0 14px 34px -14px rgba(33, 48, 103, 0.55);
  --shadow-card:   0 26px 60px -34px rgba(33, 48, 103, 0.3);
  --logo-grad:     linear-gradient(150deg, #4C6FD8, #213067);
  --track-fill:    linear-gradient(to top, rgba(88,124,240,.45), #213067);
  --bar-fill:      linear-gradient(to top, rgba(33,48,103,.14), rgba(88,124,240,.6));
}

/* ---- Thème SOMBRE ------------------------------------------------------- */
:root[data-theme="dark"] {
  --bg:            #05070E;
  --bg-soft:       #070A15;
  --text:          #EDF1FA;
  --text-strong:   #FFFFFF;
  --muted:         #9BA6C6;
  --muted-2:       #5F6987;
  --mono-label:    #7C88AE;
  --accent:        #7FB0FF;
  --accent-bright: #7FB0FF;
  --accent-soft:   #4763C9;
  --orange:        #D57A36;
  --card-bg:       rgba(255, 255, 255, 0.02);
  --card-bg-alt:   rgba(127, 176, 255, 0.05);
  --panel-bg:      rgba(5, 7, 14, 0.72);
  --border:        rgba(123, 152, 255, 0.16);
  --border-strong: rgba(123, 152, 255, 0.28);
  --grid-line:     rgba(123, 152, 255, 0.055);
  --glow-1:        radial-gradient(ellipse at center, rgba(70,110,235,0.32), rgba(33,48,103,0.12) 45%, transparent 72%);
  --glow-2:        radial-gradient(circle at center, rgba(213,122,54,0.16), transparent 66%);
  --headline-grad: linear-gradient(100deg, #FFFFFF 10%, #7FB0FF 55%, #4763C9 95%);
  --btn-primary-bg:   linear-gradient(140deg, #FFFFFF, #A9C6FF);
  --btn-primary-fg:   #05070E;
  --btn-primary-shadow: 0 14px 40px -14px rgba(169, 198, 255, 0.7);
  --shadow-card:   0 30px 70px -40px rgba(70, 110, 235, 0.55);
  --logo-grad:     linear-gradient(150deg, #7FB0FF, #2B3F86);
  --track-fill:    linear-gradient(to top, rgba(127,176,255,.3), #7FB0FF);
  --bar-fill:      linear-gradient(to top, rgba(127,176,255,.15), rgba(127,176,255,.45));
}

/* ---- Reset & base ------------------------------------------------------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Sora', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  transition: background .4s ease, color .4s ease;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--orange); }

h1, h2, h3 { margin: 0; }

.mono {
  font-family: 'IBM Plex Mono', monospace;
}

/* Fond décoratif global : grille + halos */
.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 90px 90px;
}
.bg-glow-1 {
  position: absolute;
  top: -320px; left: 50%;
  width: 1100px; height: 700px;
  transform: translateX(-50%);
  background: var(--glow-1);
  filter: blur(10px);
  animation: glowPulse 9s ease-in-out infinite;
}
.bg-glow-2 {
  position: absolute;
  top: 460px; right: -200px;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: var(--glow-2);
  filter: blur(20px);
}

@keyframes glowPulse { 0%, 100% { opacity: .45; } 50% { opacity: .9; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes scanX  { from { transform: translateX(-100%); } to { transform: translateX(400%); } }

/* ---- Layout ------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 64px);
}

.page { animation: riseIn .8s ease both; }

section { position: relative; }

/* ---- Header / navigation ----------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--panel-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
}
.brand .logo {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--logo-grad);
  box-shadow: 0 6px 18px -6px rgba(33,48,103,.6);
  flex: none;
}
.brand .name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-strong);
}
.brand .tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mono-label);
  border-left: 1px solid var(--border-strong);
  padding-left: 13px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 30px);
  font-size: 14px;
  font-weight: 300;
}
.nav-links a {
  color: var(--muted);
  position: relative;
}
.nav-links a:hover { color: var(--text-strong); }
.nav-links a.active { color: var(--text-strong); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}
.nav-sep {
  width: 1px; height: 16px;
  background: var(--border-strong);
}
.btn-contact {
  font-size: 13px;
  font-weight: 500;
  color: var(--btn-primary-fg) !important;
  background: var(--accent);
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 10px 26px -10px rgba(33,48,103,.5);
  transition: transform .25s, box-shadow .25s;
}
:root[data-theme="dark"] .btn-contact { background: #7FB0FF; }
.btn-contact:hover { transform: translateY(-1px); color: var(--btn-primary-fg) !important; }

/* Bouton bascule de thème */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color .25s, transform .25s, color .25s;
  flex: none;
}
.theme-toggle:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-1px); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Menu burger (mobile) */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ---- Éléments réutilisables -------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}
.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px var(--orange);
  flex: none;
}
.section-title {
  font-weight: 200;
  font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.035em;
  color: var(--text-strong);
}
.section-title strong { font-weight: 600; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.section-head .index {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding-bottom: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  border-radius: 999px;
  padding: 15px 28px;
  transition: transform .25s, box-shadow .25s, border-color .25s, background .25s, color .25s;
  cursor: pointer;
}
.btn-primary {
  font-weight: 500;
  color: var(--btn-primary-fg) !important;
  background: var(--btn-primary-bg);
  box-shadow: var(--btn-primary-shadow);
  border: none;
}
.btn-primary:hover { transform: translateY(-2px); color: var(--btn-primary-fg) !important; }
.btn-ghost {
  font-weight: 300;
  color: var(--text);
  border: 1px solid var(--border-strong);
  background: transparent;
}
.btn-ghost:hover {
  color: var(--text-strong);
  border-color: var(--orange);
  background: rgba(213, 122, 54, 0.08);
}

/* ---- Hero (accueil) ----------------------------------------------------- */
.hero {
  padding: clamp(64px, 10vw, 120px) 0 88px;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}
.hero-copy { display: flex; flex-direction: column; gap: 30px; }
.hero h1 {
  font-weight: 200;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  text-wrap: pretty;
}
.hero h1 .grad {
  font-weight: 600;
  background: var(--headline-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  font-weight: 300;
  text-wrap: pretty;
}
.hero-lead strong { color: var(--text); font-weight: 400; }
.hero-en {
  margin: 0;
  max-width: 52ch;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted-2);
  letter-spacing: 0.02em;
}
.hero-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-top: 8px; }

/* Carte "terminal" du hero */
.terminal {
  position: relative;
  padding: 26px;
  border-radius: 20px;
  background: linear-gradient(160deg, var(--card-bg), var(--bg-soft));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(6px);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.terminal-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mono-label);
}
.terminal-top .live { color: var(--accent); }
.chart {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 44px 22px 22px;
  gap: 9px;
}
.chart .scan {
  position: absolute; top: 0; left: 0;
  width: 22%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanX 4.5s linear infinite;
}
.chart .bar {
  flex: 1;
  background: var(--bar-fill);
  border-radius: 3px 3px 0 0;
}
.chart .bar.peak {
  background: var(--track-fill);
  box-shadow: 0 8px 22px -6px rgba(33,48,103,.45);
}
.chart .bar.hot {
  background: linear-gradient(to top, rgba(213,122,54,.25), var(--orange));
  box-shadow: 0 0 24px rgba(213,122,54,.5);
}
.chart .chart-label {
  position: absolute; top: 18px; left: 20px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.kpi {
  background: var(--card-bg);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
:root[data-theme="dark"] .kpi { background: var(--bg-soft); }
.kpi .k-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.kpi .k-value { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--text-strong); }
.kpi .k-value.orange { color: var(--orange); }

/* ---- Bandeau de stack --------------------------------------------------- */
.stack-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--accent) 4%, transparent);
  padding: 18px 0;
  margin-top: 8px;
}
.stack-strip .wrap {
  display: flex;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mono-label);
  flex-wrap: wrap;
}
.stack-strip .hl { color: var(--accent); }

/* ---- Grille de projets -------------------------------------------------- */
.section-block { padding: clamp(56px, 9vw, 96px) 0 0; }
.projects {
  padding: 44px 0 clamp(56px, 9vw, 96px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.card {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  transition: border-color .3s, transform .3s, background .3s, box-shadow .3s;
  color: inherit;
  display: flex;
  flex-direction: column;
}
.card:hover {
  border-color: color-mix(in srgb, var(--accent-bright) 55%, transparent);
  transform: translateY(-3px);
  background: var(--card-bg-alt);
  box-shadow: var(--shadow-card);
}
.card-feature {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1fr 440px;
  overflow: hidden;
  background: linear-gradient(150deg, var(--card-bg), var(--bg-soft));
}
.card-feature .c-body { padding: 44px 46px; display: flex; flex-direction: column; gap: 16px; }
.card-feature .c-media {
  min-height: 300px;
  background: var(--bg-soft);
  border-left: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
}
.c-media .placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 12px 18px;
}
.card-small { padding: 34px; gap: 13px; }
.c-kicker {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted-2);
}
.c-kicker.orange { color: var(--orange); }
.c-title { font-size: 23px; font-weight: 400; letter-spacing: -0.025em; color: var(--text-strong); }
.card-feature .c-title { font-size: clamp(26px, 3.4vw, 34px); letter-spacing: -0.03em; }
.c-desc { font-size: 15px; line-height: 1.65; color: var(--muted); font-weight: 300; }
.c-foot {
  margin-top: auto; padding-top: 22px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; padding-top: 26px; }
.chip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 6px 12px;
}
.card-wide {
  grid-column: span 2;
  padding: 30px 40px;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}
.card-wide .cw-left { display: flex; align-items: baseline; gap: 26px; flex-wrap: wrap; }

/* ---- Bloc "À propos" ---------------------------------------------------- */
.about {
  border-radius: 20px;
  border: 1px solid var(--border);
  background: linear-gradient(150deg, var(--bg-soft), var(--card-bg));
  padding: clamp(36px, 6vw, 72px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 72px);
  margin-bottom: clamp(56px, 9vw, 96px);
}
.about .lead {
  font-size: clamp(24px, 3.2vw, 32px);
  font-weight: 200;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: var(--text-strong);
  text-wrap: pretty;
  margin: 0;
}
.about p { color: var(--muted); font-weight: 300; line-height: 1.75; margin: 0; }
.about .en { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--muted-2); line-height: 1.85; }
.about-col { display: flex; flex-direction: column; gap: 22px; }
.id-card { display: flex; align-items: center; gap: 20px; }
.id-photo {
  width: 116px; height: 116px;
  border-radius: 16px;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted-2); line-height: 1.6;
  flex: none;
  overflow: hidden;
}
.fact-table {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.fact {
  background: var(--card-bg);
  padding: 18px 22px;
  display: flex; justify-content: space-between; gap: 20px;
}
.fact .f-key {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
  flex: none;
}
.fact .f-val { font-size: 14px; color: var(--text); font-weight: 300; text-align: right; }

/* ---- CV ----------------------------------------------------------------- */
.page-head {
  padding: clamp(56px, 9vw, 96px) 0 clamp(28px, 4vw, 40px);
  display: flex; flex-direction: column; gap: 18px;
}
.page-head .lead {
  max-width: 60ch;
  font-size: 18px; line-height: 1.7; color: var(--muted); font-weight: 300;
  margin: 0;
}

.cv-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(56px, 9vw, 96px);
  align-items: start;
}
.cv-main { display: flex; flex-direction: column; gap: 48px; }
.cv-block-title {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.cv-block-title::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}

.timeline { display: flex; flex-direction: column; gap: 20px; }
.xp {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card-bg);
  padding: 28px 30px;
  transition: border-color .3s, transform .3s;
}
.xp:hover { border-color: color-mix(in srgb, var(--accent-bright) 45%, transparent); transform: translateY(-2px); }
.xp-head {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 20px; flex-wrap: wrap; margin-bottom: 6px;
}
.xp-role { font-size: 20px; font-weight: 500; letter-spacing: -0.02em; color: var(--text-strong); }
.xp-org { color: var(--accent); font-weight: 400; }
.xp-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted-2);
  white-space: nowrap;
}
.xp-lead { color: var(--text); font-weight: 400; margin: 10px 0 12px; font-size: 15px; }
.xp ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; }
.xp li { color: var(--muted); font-weight: 300; font-size: 14.5px; line-height: 1.55; }
.xp li::marker { color: var(--orange); }
.ref-line {
  margin-top: 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.04em;
  color: var(--muted-2);
  line-height: 1.7;
}
.ref-line b { color: var(--accent); font-weight: 500; }

.cv-side { display: flex; flex-direction: column; gap: 28px; position: sticky; top: 96px; }
.side-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--card-bg);
  padding: 26px 28px;
}
.side-card h3 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.side-card .row {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.side-card .row:last-child { border-bottom: none; }
.side-card .row .r-key { color: var(--text); font-weight: 400; }
.side-card .row .r-val { color: var(--muted); font-weight: 300; text-align: right; }
.side-card p { color: var(--muted); font-weight: 300; font-size: 14px; line-height: 1.6; margin: 0; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

.level { display: flex; flex-direction: column; gap: 6px; padding: 8px 0; }
.level-top { display: flex; justify-content: space-between; font-size: 14px; }
.level-top .lv { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--muted-2); letter-spacing: 0.08em; }
.level-bar { height: 5px; border-radius: 999px; background: var(--border); overflow: hidden; }
.level-bar span { display: block; height: 100%; border-radius: 999px; background: var(--track-fill); }

/* ---- Certifications ----------------------------------------------------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
  padding-bottom: clamp(56px, 9vw, 96px);
}
.cert {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .3s, transform .3s, box-shadow .3s;
  min-height: 200px;
}
.cert:hover {
  border-color: color-mix(in srgb, var(--accent-bright) 50%, transparent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.cert-top { display: flex; justify-content: space-between; align-items: center; }
.cert-year {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.12em; color: var(--orange);
}
.cert-issuer {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted-2);
}
.cert-title { font-size: 19px; font-weight: 400; color: var(--text-strong); letter-spacing: -0.015em; line-height: 1.3; }
.cert-desc { font-size: 13.5px; color: var(--muted); font-weight: 300; line-height: 1.55; }
.cert-foot {
  margin-top: auto; padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent);
  display: flex; align-items: center; gap: 8px;
}

/* ---- Contact ------------------------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(36px, 5vw, 64px);
  padding: clamp(40px, 6vw, 64px) 0 clamp(56px, 9vw, 96px);
  align-items: start;
}
.contact-intro h1 {
  font-weight: 200;
  font-size: clamp(44px, 7vw, 64px);
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-strong);
  margin-bottom: 22px;
}
.contact-email {
  font-size: 20px; color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 4px;
  display: inline-block;
  margin-bottom: 32px;
}
.contact-email:hover { border-bottom-color: var(--orange); }
.contact-list { display: flex; flex-direction: column; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.contact-item {
  background: var(--card-bg);
  padding: 18px 22px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: background .25s;
}
.contact-item:hover { background: var(--card-bg-alt); }
.contact-item .ci-key {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
}
.contact-item .ci-val { font-size: 15px; color: var(--text); font-weight: 400; }

.form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
}
.field input, .field textarea {
  font-family: inherit; font-size: 15px;
  color: var(--text);
  background: var(--card-bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 16px;
  transition: border-color .25s, background .25s;
  resize: vertical;
}
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card-bg-alt);
}
.form-note {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; color: var(--muted-2); letter-spacing: 0.02em;
}

/* ---- Footer ------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--accent) 5%, transparent));
  margin-top: 40px;
}
.footer-top {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 48px; flex-wrap: wrap;
  padding: clamp(56px, 8vw, 90px) 0 40px;
}
.footer-top h2 {
  font-weight: 200; font-size: clamp(40px, 6vw, 64px);
  letter-spacing: -0.04em; line-height: 1; color: var(--text-strong);
  margin-bottom: 18px;
}
.footer-links { display: flex; gap: 10px; flex-wrap: wrap; }
.pill {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 12px 20px;
  transition: border-color .25s, color .25s;
}
.pill:hover { color: var(--text-strong); border-color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  flex-wrap: wrap;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
  border-top: 1px solid var(--border);
  padding: 26px 0;
}

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .terminal { max-width: 460px; }
  .card-feature { grid-template-columns: 1fr; }
  .card-feature .c-media { min-height: 200px; border-left: none; border-top: 1px solid var(--border); }
  .about { grid-template-columns: 1fr; }
  .cv-grid { grid-template-columns: 1fr; }
  .cv-side { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .card-wide { flex-direction: column; align-items: flex-start; }
}

/* =========================================================================
   Ajouts — bouton langue, visuel animé du hero, page Projets
   ========================================================================= */

.header-actions { display: flex; align-items: center; gap: 10px; flex: none; }

/* Bouton de langue FR / EN */
.lang-toggle {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  height: 40px; padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color .25s, color .25s, transform .25s;
  flex: none;
}
.lang-toggle:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-1px); }

/* Visuel animé du hero — abstrait, sans texte */
.hero-visual {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 12px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  padding: 52px 26px 28px;
}
.hero-visual .scan {
  position: absolute; top: 0; left: 0;
  width: 22%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanX 4.5s linear infinite;
  z-index: 3;
}
.hero-visual .orb {
  position: absolute;
  width: 150px; height: 150px;
  border-radius: 50%;
  top: 6%; left: 12%;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 38%, transparent), transparent 70%);
  filter: blur(10px);
  animation: floatOrb 9s ease-in-out infinite;
  z-index: 1;
}
.hero-visual .bar {
  position: relative;
  z-index: 2;
  flex: 1;
  border-radius: 3px 3px 0 0;
  background: var(--bar-fill);
  transform-origin: bottom;
  animation: barPulse 4s ease-in-out infinite;
}
.hero-visual .bar.peak {
  background: var(--track-fill);
  box-shadow: 0 8px 22px -6px rgba(33,48,103,.4);
}
.hero-visual .bar.hot {
  background: linear-gradient(to top, rgba(213,122,54,.25), var(--orange));
  box-shadow: 0 0 24px rgba(213,122,54,.5);
}
@keyframes barPulse { 0%, 100% { transform: scaleY(1); } 50% { transform: scaleY(1.09); } }
@keyframes floatOrb { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(48px, 26px); } }

/* Page Projets */
.projects-page {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-bottom: clamp(56px, 9vw, 96px);
}
.project-item {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: var(--card-bg);
  transition: border-color .3s, transform .3s, box-shadow .3s;
}
.project-item:hover {
  border-color: color-mix(in srgb, var(--accent-bright) 50%, transparent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.project-item:nth-child(even) { grid-template-columns: 0.95fr 1.05fr; }
.project-item:nth-child(even) .p-media { order: -1; }
.p-media {
  min-height: 300px;
  background: var(--bg-soft);
  display: flex; align-items: center; justify-content: center;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 34px 34px;
}
.p-media .placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 12px 18px;
}
.p-body {
  padding: clamp(30px, 4vw, 46px);
  display: flex; flex-direction: column; gap: 15px;
}
.p-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--orange);
}
.p-title { font-size: clamp(24px, 3vw, 30px); font-weight: 400; letter-spacing: -0.025em; color: var(--text-strong); }
.p-desc { font-size: 15.5px; line-height: 1.7; color: var(--muted); font-weight: 300; }

@media (max-width: 900px) {
  .project-item,
  .project-item:nth-child(even) { grid-template-columns: 1fr; }
  .project-item:nth-child(even) .p-media { order: 0; }
  .p-media { min-height: 200px; border-bottom: 1px solid var(--border); }
}

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 73px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 20px;
    transform: translateY(-120%);
    transition: transform .3s ease;
    box-shadow: 0 20px 40px -20px rgba(0,0,0,.3);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 16px; }
  .nav-links a.active::after { display: none; }
  .nav-sep { display: none; }
  .nav-links .btn-contact { margin-top: 12px; text-align: center; }
  .nav-toggle { display: inline-flex; }
  .projects { grid-template-columns: 1fr; }
  .card-feature, .card-wide { grid-column: span 1; }
}

/* =========================================================================
   Cartes projets cliquables + pages de détail par projet
   ========================================================================= */

.project-item { color: inherit; text-decoration: none; }
.p-more {
  margin-top: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--accent);
  transition: color .25s;
}
.project-item:hover .p-more { color: var(--orange); }

/* Détail projet */
.back-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted-2);
}
.back-link:hover { color: var(--orange); }

.detail-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
  padding-bottom: clamp(56px, 9vw, 96px);
}
.detail-main { display: flex; flex-direction: column; gap: 44px; }

.feature-list { display: flex; flex-direction: column; gap: 14px; margin: 0; padding: 0; list-style: none; }
.feature-list li {
  position: relative;
  padding-left: 26px;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.6;
  font-size: 15.5px;
}
.feature-list li::before {
  content: "";
  position: absolute; left: 0; top: 9px;
  width: 7px; height: 7px;
  border-radius: 2px;
  background: var(--orange);
}
.detail-overview { font-size: 16px; line-height: 1.75; color: var(--muted); font-weight: 300; margin: 0; }
.detail-overview + .detail-overview { margin-top: 16px; }

.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.shot {
  aspect-ratio: 16 / 10;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  display: flex; align-items: center; justify-content: center;
}
.shot.wide { grid-column: span 2; aspect-ratio: 16 / 7; }
.shot .placeholder {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted-2);
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  padding: 12px 18px;
}

.detail-side { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }

@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; }
  .detail-side { position: static; }
}
@media (max-width: 560px) {
  .gallery { grid-template-columns: 1fr; }
  .shot, .shot.wide { grid-column: span 1; aspect-ratio: 16 / 10; }
}

/* Sous-groupes de fonctionnalités (pages de détail) */
.feat-block + .feat-block { margin-top: 26px; }
.feat-group {
  font-weight: 500;
  color: var(--text-strong);
  font-size: 15px;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.feature-list li strong { color: var(--text-strong); font-weight: 500; }
.detail-overview strong { color: var(--text); font-weight: 500; }

/* =========================================================================
   Galerie multi-images + visionneuse (lightbox)
   ========================================================================= */

/* Les vignettes deviennent des boutons cliquables */
.gallery .shot {
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  font: inherit;
  color: inherit;
  transition: border-color .3s, transform .3s;
}
.gallery .shot:hover { border-color: color-mix(in srgb, var(--accent-bright) 50%, transparent); }
.gallery .shot img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.gallery .shot:hover img { transform: scale(1.04); }
/* On n'affiche que les 3 premières vignettes */
.gallery .shot:nth-child(n+4) { display: none; }
/* Badge « +N » sur la 3e vignette quand il y a plus d'images */
.more-badge {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5, 7, 14, 0.5);
  color: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 22px; font-weight: 500; letter-spacing: 0.04em;
  backdrop-filter: blur(1px);
}

/* Visionneuse plein écran */
.lightbox {
  position: fixed; inset: 0;
  z-index: 100;
  display: none;
  align-items: center; justify-content: center;
  background: rgba(3, 5, 12, 0.9);
  backdrop-filter: blur(8px);
  padding: 40px;
}
.lightbox.open { display: flex; }
.lb-stage {
  display: flex; align-items: center; justify-content: center;
  max-width: 92vw; max-height: 86vh;
  animation: riseIn .3s ease both;
}
.lb-img {
  max-width: min(1120px, 92vw);
  max-height: 86vh;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 40px 110px -30px rgba(0, 0, 0, 0.75);
  object-fit: contain;
}
.lb-placeholder {
  width: min(900px, 88vw);
  aspect-ratio: 16 / 10;
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  background: rgba(255, 255, 255, 0.03);
}
.lb-btn {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  width: 48px; height: 48px;
  border-radius: 999px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; line-height: 1;
  transition: background .2s, border-color .2s, transform .2s;
}
.lb-btn:hover { background: rgba(255, 255, 255, 0.16); border-color: rgba(255, 255, 255, 0.45); }
.lb-close { top: 24px; right: 24px; font-size: 22px; }
.lb-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lb-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lb-prev:hover { transform: translateY(-50%) scale(1.06); }
.lb-next:hover { transform: translateY(-50%) scale(1.06); }
.lb-counter {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px; letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.7);
}
@media (max-width: 560px) {
  .lightbox { padding: 16px; }
  .lb-btn { width: 42px; height: 42px; }
  .lb-close { top: 14px; right: 14px; }
  .lb-prev { left: 10px; }
  .lb-next { right: 10px; }
}

/* Vignette de couverture des cartes projet (page Projets) : image 1 du dossier */
.p-media img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Carte projet sans image de couverture : passe en pleine largeur (pas d'encadré vide) */
.project-item.no-cover,
.project-item.no-cover:nth-child(even) { grid-template-columns: 1fr; }

/* Bloc "Accès démo" (identifiants d'essai sous le bouton démo) */
.demo-access {
  margin-top: 16px;
  display: inline-flex;
  flex-direction: column;
  gap: 9px;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
}
.demo-access .da-title { font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }
.demo-access .da-row { display: flex; gap: 20px; justify-content: space-between; align-items: baseline; }
.demo-access .da-row span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted-2);
}
.demo-access .da-row code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 13px; color: var(--text-strong);
  user-select: all;
}
.demo-access .da-note { font-size: 10px; letter-spacing: 0.04em; color: var(--muted-2); margin-top: 2px; }
