/* ============================================================
   M. R. MAKANGUI — Portfolio
   Palette : bleu nuit + ambre chaud
   Type : Fraunces (display) / Inter (corps)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400&family=Inter:wght@400;500;600;700&display=swap');

:root{
  --ink:#0e1b2c;          /* bleu nuit profond */
  --ink-2:#1c2e44;        /* bleu ardoise */
  --slate:#5a6b80;        /* gris-bleu texte secondaire */
  --line:#dfe4ea;         /* filets */
  --paper:#fbfaf7;        /* fond crème très léger */
  --paper-2:#ffffff;
  --amber:#c2842c;        /* accent ambre/or */
  --amber-soft:#f3e7d2;   /* ambre pâle */
  --amber-deep:#9c6716;
  --max:1140px;
  --r:14px;
  --shadow:0 1px 2px rgba(14,27,44,.06), 0 12px 32px -16px rgba(14,27,44,.22);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:24px}

/* ---------- Header / nav ---------- */
.site-head{
  position:sticky;top:0;z-index:50;
  background:rgba(251,250,247,.82);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-family:'Fraunces',serif;font-weight:600;font-size:1.15rem;letter-spacing:.02em}
.brand span{color:var(--amber)}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{
  font-size:.93rem;font-weight:500;color:var(--slate);
  padding:8px 14px;border-radius:999px;transition:.18s;
}
.nav-links a:hover{color:var(--ink);background:#fff}
.nav-links a.active{color:var(--ink);background:#fff;box-shadow:var(--shadow)}
.nav-cta{
  background:var(--ink)!important;color:#fff!important;
  padding:9px 18px!important;font-weight:600!important;
}
.nav-cta:hover{background:var(--ink-2)!important}
.burger{display:none;background:none;border:0;cursor:pointer;width:42px;height:42px}
.burger span{display:block;width:22px;height:2px;background:var(--ink);margin:4px auto;transition:.2s}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:600;font-size:.95rem;padding:13px 24px;border-radius:999px;
  transition:.2s;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:var(--amber);color:#fff}
.btn-primary:hover{background:var(--amber-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-arrow{transition:transform .2s}
.btn:hover .btn-arrow{transform:translateX(3px)}

/* ---------- Generic section ---------- */
.section{padding:96px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--amber-deep);margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1.5px;background:var(--amber)}
h1,h2,h3{font-family:'Fraunces',serif;font-weight:600;line-height:1.12;letter-spacing:-.01em}
h2.title{font-size:clamp(1.8rem,4vw,2.7rem);margin-bottom:18px}
.lead{font-size:1.12rem;color:var(--slate);max-width:60ch}

/* ---------- Hero (home) ---------- */
.hero{position:relative;overflow:hidden}
.hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center;
  padding:90px 0 80px;
}
.hero h1{font-size:clamp(2.4rem,5.4vw,4rem);margin:6px 0 22px}
.hero h1 em{font-style:italic;color:var(--amber)}
.hero .lead{margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-photo{
  width:100%;aspect-ratio:1;object-fit:cover;border-radius:24px;
  background:#fff;box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.hero-badge{
  position:absolute;left:-18px;bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow);max-width:230px;
}
.hero-badge b{font-family:'Fraunces',serif;font-size:1.05rem;display:block}
.hero-badge small{color:var(--slate);font-size:.82rem;display:block;margin-top:2px}
.hero-bg{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(60% 50% at 78% 18%, var(--amber-soft) 0%, transparent 60%),
    radial-gradient(50% 60% at 12% 88%, #eef1f5 0%, transparent 55%);
}

/* quick facts strip */
.facts{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#fff;
}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.fact{padding:30px 26px;border-right:1px solid var(--line)}
.fact:last-child{border-right:0}
.fact b{display:block;font-family:'Fraunces',serif;font-size:1.7rem;color:var(--ink)}
.fact span{font-size:.86rem;color:var(--slate)}

/* ---------- Skills preview cards (home) ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:28px;transition:.2s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cdd5df}
.card .num{font-family:'Fraunces',serif;font-size:.95rem;color:var(--amber);font-weight:600}
.card h3{font-size:1.3rem;margin:10px 0 8px}
.card p{font-size:.95rem;color:var(--slate)}
.card .more{margin-top:16px;font-weight:600;font-size:.9rem;color:var(--amber-deep);display:inline-flex;gap:6px}

/* ---------- Page header ---------- */
.page-head{padding:70px 0 10px}
.page-head h1{font-size:clamp(2.2rem,5vw,3.3rem);margin:6px 0 16px}

/* ---------- About ---------- */
.about-hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center;padding-top:30px}
.about-photo{border-radius:20px;object-fit:cover;width:100%;aspect-ratio:1/1;box-shadow:var(--shadow);border:1px solid var(--line)}
.about-block{padding:64px 0;border-top:1px solid var(--line)}
.about-block:first-of-type{border-top:0}
.about-grid{display:grid;grid-template-columns:.42fr .58fr;gap:48px;align-items:start}
.about-grid h2{font-size:clamp(1.5rem,3.4vw,2.1rem)}
.about-grid p{color:var(--slate);margin-bottom:14px}
.tag{
  display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--amber-deep);background:var(--amber-soft);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.quote{
  font-family:'Fraunces',serif;font-style:italic;font-size:1.5rem;line-height:1.4;
  color:var(--ink);border-left:3px solid var(--amber);padding-left:24px;margin:8px 0;
}
.quote cite{display:block;font-size:.9rem;font-style:normal;color:var(--slate);margin-top:10px;font-family:'Inter'}

/* ---------- Image placeholder ---------- */
/* Vraie image (remplace un emplacement) */
.shot{border-radius:12px;width:100%;object-fit:cover;border:1px solid var(--line);box-shadow:var(--shadow)}
.case .shot{aspect-ratio:4/3}
.about-grid .shot{aspect-ratio:4/3;margin-top:18px}
.shot-tall{aspect-ratio:3/4}
figure.shot-fig{margin:0}
figure.shot-fig figcaption{font-size:.78rem;color:var(--slate);margin-top:8px;text-align:center}
.about-grid figure.shot-fig{margin-top:18px}

.ph{
  background:repeating-linear-gradient(45deg,#f4f1ea,#f4f1ea 12px,#efeadf 12px,#efeadf 24px);
  border:1.5px dashed #c9bfa8;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;color:#9a8c6e;padding:28px;min-height:220px;gap:8px;
}
.ph svg{opacity:.5}
.ph b{font-size:.92rem;color:#7d7150;font-weight:600}
.ph small{font-size:.78rem;max-width:30ch}

/* ---------- Skills page ---------- */
.skill-nav{
  position:sticky;top:70px;z-index:40;background:rgba(251,250,247,.9);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.skill-nav ul{display:flex;gap:4px;list-style:none;overflow-x:auto;padding:10px 0}
.skill-nav a{
  white-space:nowrap;font-size:.88rem;font-weight:500;color:var(--slate);
  padding:8px 16px;border-radius:999px;transition:.18s;
}
.skill-nav a:hover,.skill-nav a.active{color:var(--ink);background:#fff;box-shadow:var(--shadow)}

.skill-block{padding:80px 0;border-top:1px solid var(--line);scroll-margin-top:130px}
.skill-block:first-of-type{border-top:0}
.skill-top{display:grid;grid-template-columns:.4fr .6fr;gap:44px;margin-bottom:40px;align-items:start}
.skill-index{font-family:'Fraunces',serif;font-size:3.2rem;color:var(--amber);line-height:1}
.skill-top h2{font-size:clamp(1.8rem,4vw,2.6rem);margin:8px 0 14px}
.skill-def{font-size:1.08rem;color:var(--slate)}

.cases{display:grid;gap:22px}
.case{
  display:grid;grid-template-columns:.4fr .6fr;gap:30px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:26px;align-items:center;
}
.case.rev{grid-template-columns:.6fr .4fr}
.case.rev .case-body{order:-1}
.case-body h3{font-size:1.25rem;margin-bottom:6px}
.case-role{font-size:.82rem;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--amber-deep);margin-bottom:12px}
.case-body p{font-size:.96rem;color:var(--slate);margin-bottom:12px}
.case-take{
  font-size:.9rem;background:var(--paper);border-left:3px solid var(--amber);
  padding:10px 14px;border-radius:0 8px 8px 0;color:var(--ink-2);
}
.case-take b{color:var(--amber-deep)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:0}
.cta-band .wrap{padding:80px 24px;text-align:center}
.cta-band h2{color:#fff;font-size:clamp(1.8rem,4vw,2.6rem);margin-bottom:16px}
.cta-band p{color:#aab6c6;max-width:48ch;margin:0 auto 30px}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.25)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.08);border-color:#fff}

/* ---------- Footer ---------- */
.site-foot{background:var(--paper-2);border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:60px 0 30px}
.foot-grid h4{font-family:'Fraunces',serif;font-size:1.1rem;margin-bottom:14px}
.foot-grid p,.foot-grid a{color:var(--slate);font-size:.92rem;margin-bottom:8px;display:block}
.foot-grid a:hover{color:var(--amber-deep)}
.foot-logos{display:flex;gap:16px;align-items:center;margin-top:16px}
.foot-logos img{height:44px;width:auto;border-radius:6px;background:#fff;border:1px solid var(--line);padding:4px}
.foot-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem;color:var(--slate)}

/* ---------- Boîte à outils (compétences techniques) ---------- */
.toolbox{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.tool{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 28px;transition:.2s;
}
.tool:hover{border-color:#cdd5df;box-shadow:var(--shadow)}
.tool h3{font-size:1.15rem;margin-bottom:14px;color:var(--ink)}
.tool h3::before{content:"";display:inline-block;width:18px;height:2px;background:var(--amber);vertical-align:middle;margin-right:10px}
.tool ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.tool li{font-size:.93rem;color:var(--slate);padding-left:18px;position:relative}
.tool li::before{content:"›";position:absolute;left:0;color:var(--amber);font-weight:700}
@media(max-width:880px){.toolbox{grid-template-columns:1fr}}

/* ---------- Hero certs + Projet pro ---------- */
.hero-certs{
  font-size:.9rem;color:var(--slate);margin:-14px 0 28px;
  padding-left:14px;border-left:2px solid var(--amber);
}
.hero-certs b{color:var(--ink-2);font-weight:600}
.certs{display:grid;gap:14px;margin-top:8px}
.cert{
  background:var(--paper);border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;position:relative;transition:.2s;
}
.cert:hover{border-color:#cdd5df;transform:translateX(3px)}
.cert-tag{
  display:inline-block;font-size:.68rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;color:var(--amber-deep);background:var(--amber-soft);
  padding:3px 9px;border-radius:999px;margin-bottom:8px;
}
.cert b{display:block;font-family:'Fraunces',serif;font-size:1.05rem;margin-bottom:3px}
.cert small{color:var(--slate);font-size:.86rem;line-height:1.5}

/* ---------- Reveal animation ---------- */
/* Visible par défaut ; masqué uniquement si JS actif (classe sur <html>) */
.reveal{transition:opacity .7s ease,transform .7s ease}
.js-anim .reveal{opacity:0;transform:translateY(20px)}
.js-anim .reveal.in{opacity:1;transform:none}

/* ---------- Animations avancées ---------- */

/* Barre de progression de lecture */
.progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--amber),var(--amber-deep));
  transition:width .1s linear;
}

/* Transition entre pages */
.page-fade{
  position:fixed;inset:0;z-index:9999;background:var(--paper);
  pointer-events:none;opacity:0;
}
.js-anim .page-fade{animation:pageIn .6s ease forwards}
.page-fade.out{pointer-events:all;animation:pageOut .45s ease forwards}
@keyframes pageIn{from{opacity:1}to{opacity:0}}
@keyframes pageOut{from{opacity:0}to{opacity:1}}

/* Titre animé mot par mot */
.js-anim .word{display:inline-block;opacity:0;transform:translateY(28px) rotate(2deg);
  animation:wordUp .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes wordUp{to{opacity:1;transform:none}}

/* Compteurs */
.fact b{font-variant-numeric:tabular-nums}

/* Photo reveal élégant (volet qui se lève) */
.js-anim .shot,.js-anim .hero-photo,.js-anim .about-photo{
  clip-path:inset(0 0 100% 0);transition:clip-path .9s cubic-bezier(.2,.7,.2,1)}
.js-anim .shot.shown,.js-anim .hero-photo.shown,.js-anim .about-photo.shown{
  clip-path:inset(0 0 0 0)}

/* Lueur interactive du hero */
.hero-bg{transition:background-position .3s ease}

/* Boutons : effet de brillance au survol */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s ease;
}
.btn-primary:hover::after{left:140%}

/* Cartes : accent ambre qui glisse */
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .35s ease;
}
.card:hover::before{transform:scaleX(1)}

/* Grand numéro de compétence : léger flottement */
.skill-index{display:inline-block;transition:transform .4s ease}
.skill-block:hover .skill-index{transform:translateY(-4px)}

@media(prefers-reduced-motion:reduce){
  .js-anim .word{opacity:1;transform:none;animation:none}
  .js-anim .shot,.js-anim .hero-photo,.js-anim .about-photo{clip-path:none}
  .page-fade{display:none}
  .progress-bar{display:none}
}

/* ---------- Responsive ---------- */
@media(max-width:880px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:60px 0}
  .hero-figure{max-width:380px;margin-inline:auto;order:-1}
  .facts-grid{grid-template-columns:1fr 1fr}
  .fact:nth-child(2){border-right:0}
  .fact{border-bottom:1px solid var(--line)}
  .cards{grid-template-columns:1fr}
  .about-hero,.about-grid,.skill-top,.case,.case.rev{grid-template-columns:1fr;gap:24px}
  .case-body,.case.rev .case-body{order:0}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .nav-links{
    position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;
    background:var(--paper);border-bottom:1px solid var(--line);padding:14px 24px 22px;
    gap:4px;transform:translateY(-130%);transition:transform .28s;box-shadow:var(--shadow);
  }
  .nav-links.open{transform:none}
  .nav-links a{padding:12px 14px}
  .burger{display:block}
  .section{padding:70px 0}
}
@media(max-width:480px){
  .facts-grid{grid-template-columns:1fr}
  .fact{border-right:0}
}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .reveal{transition:none;opacity:1;transform:none}
}

/* =========================================================
   ANIMATIONS DYNAMIQUES
   ========================================================= */

/* --- Transition entre pages --- */
.js-anim.page-enter body{opacity:0}
.js-anim.page-ready body{opacity:1;transition:opacity .5s ease}
.js-anim.page-leave body{opacity:0;transform:translateY(8px);transition:opacity .35s ease,transform .35s ease}

/* --- Header : ombre au scroll --- */
.site-head{transition:box-shadow .3s ease,background .3s ease}
.site-head.scrolled{box-shadow:0 6px 24px -16px rgba(14,27,44,.4)}

/* --- Soulignés animés du menu --- */
.nav-links a{position:relative}
.nav-links a:not(.nav-cta)::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1.5px;
  background:var(--amber);transform:scaleX(0);transform-origin:left;
  transition:transform .28s ease;border-radius:2px;
}
.nav-links a:not(.nav-cta):hover::after,
.nav-links a.active:not(.nav-cta)::after{transform:scaleX(1)}

/* --- Burger animé en croix --- */
.burger span{transition:transform .25s ease,opacity .2s ease}
.burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* --- Titre hero mot par mot --- */
.hero h1.split .word{
  display:inline-block;opacity:0;transform:translateY(28px) rotate(2deg);
  transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);
  will-change:transform,opacity;
}
.hero h1.split.go .word{opacity:1;transform:none}

/* --- Lueur qui suit la souris dans le hero --- */
.hero{--mx:75%;--my:25%}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(380px circle at var(--mx) var(--my), rgba(194,132,44,.16), transparent 65%);
  transition:background .15s ease;
}

/* --- Compteurs : léger pop --- */
.fact b[data-count]{display:inline-block}

/* --- Reveal enrichi (déjà piloté par JS) --- */
.js-anim .reveal{opacity:0;transform:translateY(26px)}
.js-anim .reveal.in{opacity:1;transform:none}
.reveal{transition:opacity .75s cubic-bezier(.2,.7,.2,1),transform .75s cubic-bezier(.2,.7,.2,1)}

/* --- Cartes : éclat au survol --- */
.card{transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg, rgba(194,132,44,.10), transparent 40%);
  opacity:0;transition:opacity .25s ease;
}
.card:hover::after{opacity:1}

/* --- Images de cas : zoom doux au survol --- */
.case .shot,.about-grid .shot{transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.case:hover .shot{transform:scale(1.025)}

/* --- Boutons : éclat traversant --- */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);
  transform:skewX(-20deg);transition:left .6s ease;
}
.btn-primary:hover::after{left:140%}

/* --- Respect reduced-motion --- */
@media(prefers-reduced-motion:reduce){
  .hero h1.split .word{opacity:1;transform:none;transition:none}
  .js-anim .reveal{opacity:1;transform:none}
  .js-anim.page-enter body,.js-anim.page-leave body{opacity:1;transform:none}
  .hero::before{display:none}
  [data-parallax]{transform:none!important}
}