/* ==========================================================================
   Portfolio — Victor Nyawa
   Palette : vert + blanc, avec mode clair / sombre (bouton dans la nav).
   Le thème choisi est mémorisé (localStorage) pour les visites suivantes.
   ========================================================================== */

:root{
  --font-display: 'Sora', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 14px;
}

/* ---------- THEME: DARK (par défaut) ---------- */
:root,
[data-theme="dark"]{
  --bg: #07120d;
  --surface: #0e1f16;
  --surface-2: #0b1a13;
  --border: #1e3a2a;
  --ink: #f3f6f4;
  --muted: #a9bcae;
  --muted-soft: #74907e;
  --primary: #22b573;
  --primary-light: #4fe0a0;
  --primary-dark: #0f6b3f;
  --primary-soft: #123321;
  --success: #6fd9a0;
  --success-soft: rgba(111,217,160,0.12);
  --badge-wip-bg: rgba(255,255,255,0.08);
  --badge-wip-text: var(--ink);
  --nav-bg: rgba(7,18,13,0.85);
  --overlay-top: rgba(4,15,10,0.55);
  --badge-photo-bg: rgba(7,18,13,0.85);
  --bg-glow-1: rgba(34,181,115,0.16);
  --bg-glow-2: rgba(34,181,115,0.10);
  --shadow: 0 20px 60px -25px rgba(34,181,115,0.45);
}

/* ---------- THEME: LIGHT ---------- */
[data-theme="light"]{
  --bg: #f7faf8;
  --surface: #ffffff;
  --surface-2: #eef5f0;
  --border: #dbe7de;
  --ink: #10201a;
  --muted: #55695c;
  --muted-soft: #7c8f83;
  --primary: #178a4e;
  --primary-light: #22b573;
  --primary-dark: #0d5c37;
  --primary-soft: #e3f5ea;
  --success: #1c8a52;
  --success-soft: #e3f5ea;
  --badge-wip-bg: var(--primary-soft);
  --badge-wip-text: var(--primary);
  --nav-bg: rgba(247,250,248,0.9);
  --overlay-top: rgba(16,32,22,0.30);
  --badge-photo-bg: rgba(255,255,255,0.9);
  --bg-glow-1: rgba(23,138,78,0.07);
  --bg-glow-2: rgba(23,138,78,0.05);
  --shadow: 0 20px 50px -25px rgba(23,138,78,0.25);
}

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

html{ scroll-behavior:smooth; }

body{
  background:
    radial-gradient(ellipse 900px 600px at 20% 100%, var(--bg-glow-1), transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 0%, var(--bg-glow-2), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  transition:background-color .25s, color .25s;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

a{ color:inherit; text-decoration:none; }
a:focus-visible, button:focus-visible{ outline:2px solid var(--primary-light); outline-offset:3px; }
img{ max-width:100%; display:block; }

.wrap{ max-width:1040px; margin:0 auto; padding:0 24px; }

/* ---------- NAV ---------- */
header.nav{
  position:sticky; top:0; z-index:100;
  background:var(--nav-bg);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 24px; max-width:1040px; margin:0 auto; gap:16px;
}
.logo{
  font-family:var(--font-display); font-weight:700; font-size:16px;
  letter-spacing:-0.2px; color:var(--ink);
  display:flex; align-items:center; gap:8px;
}
.logo .dot{ color:var(--primary-light); }
.nav-links{ display:flex; align-items:center; gap:28px; font-size:14px; font-weight:600; }
.nav-links a{ color:var(--muted); transition:color .2s; padding:6px 0; position:relative; }
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active{ color:var(--ink); }
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-4px; height:2px; background:var(--primary-light);
}
.nav-cta{
  background:var(--primary); color:#ffffff !important; padding:11px 24px;
  border-radius:9px; font-size:13px; transition:background .2s, transform .2s; font-weight:700;
}
.nav-cta:hover{ background:var(--primary-dark); transform:translateY(-1px); }

.theme-toggle{
  display:flex; align-items:center; gap:4px;
  background:var(--surface); border:1px solid var(--border); border-radius:20px;
  padding:4px; cursor:pointer; font-size:13px;
}
.theme-toggle button{
  border:none; background:transparent; cursor:pointer;
  width:30px; height:26px; border-radius:16px; display:flex; align-items:center; justify-content:center;
  color:var(--muted); font-size:14px; transition:background .2s, color .2s;
}
.theme-toggle button.is-active{ background:var(--primary); color:#fff; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px;
  width:38px; height:38px; border-radius:9px; flex-shrink:0;
  background:var(--surface); border:1px solid var(--border); cursor:pointer;
}
.nav-toggle span{ width:18px; height:2px; background:var(--ink); border-radius:2px; transition:transform .25s ease, opacity .25s ease; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- SECTION HEADS ---------- */
.section{ padding:72px 0; }
.section-alt{ background:var(--surface-2); border-top:1px solid var(--border); border-bottom:1px solid var(--border); padding:56px 40px; border-radius:20px; }
@media (max-width:640px){ .section-alt{ padding:40px 22px; } }
.eyebrow{
  font-family:var(--font-display); font-size:13px; font-weight:600; color:var(--primary-light);
  letter-spacing:0.5px; text-transform:uppercase; margin-bottom:14px;
}
.section-head{ max-width:56ch; margin-bottom:44px; }
.section-head h2{
  font-family:var(--font-display); font-size:clamp(26px, 4vw, 34px); font-weight:700;
  letter-spacing:-0.5px; margin-bottom:12px; color:var(--ink);
}
.section-head p{ color:var(--muted); font-size:16px; }

/* ---------- HERO ---------- */
.hero{ padding:80px 0 70px; }
.hero-grid{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
}
@media (max-width:800px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-photo{ order:-1; max-width:280px; margin:0 auto; }
}
.hero h1{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(32px, 5.2vw, 50px); line-height:1.1; letter-spacing:-1px;
  color:var(--ink);
}
.hero h1 .accent{ color:var(--primary-light); }
.hero-sub{ margin-top:20px; font-size:17px; color:var(--muted); max-width:48ch; }
.hero-actions{ display:flex; gap:14px; margin-top:32px; flex-wrap:wrap; }
.btn{
  font-family:var(--font-display); font-weight:600; font-size:14px;
  padding:13px 24px; border-radius:9px; transition:transform .2s, box-shadow .2s, background .2s;
  display:inline-flex; align-items:center; gap:8px;
}
.btn-primary{ background:var(--primary); color:#ffffff; box-shadow:var(--shadow); }
.btn-primary:hover{ background:var(--primary-dark); transform:translateY(-2px); }
.btn-ghost{ background:var(--surface); color:var(--ink); border:1px solid var(--border); }
.btn-ghost:hover{ border-color:var(--primary-light); color:var(--primary-light); }

.hero-photo{
  position:relative; border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow); border:1px solid var(--border);
  aspect-ratio:4/5; background:var(--surface);
}
.hero-photo img{ width:100%; height:100%; object-fit:cover; }
.hero-photo::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(to top, var(--overlay-top), transparent 45%);
}
.hero-badge{
  position:absolute; left:16px; bottom:16px; z-index:2;
  background:var(--badge-photo-bg); backdrop-filter:blur(6px);
  padding:9px 14px; border-radius:9px; font-size:12px; font-weight:600;
  display:flex; align-items:center; gap:7px; color:var(--ink);
  border:1px solid var(--border);
}
.hero-badge .status-dot{ width:7px; height:7px; border-radius:50%; background:var(--primary-light); box-shadow:0 0 0 3px rgba(79,224,160,0.25); }

.hero-stats{ display:flex; gap:36px; margin-top:44px; flex-wrap:wrap; }
.stat b{ font-family:var(--font-display); font-size:26px; color:var(--primary-light); display:block; }
.stat span{ font-size:13px; color:var(--muted); }

/* ---------- MODULES ---------- */
.modules{ display:grid; grid-template-columns:repeat(4, 1fr); gap:16px; }
@media (max-width:900px){ .modules{ grid-template-columns:repeat(2, 1fr); } }
@media (max-width:520px){ .modules{ grid-template-columns:1fr; } }
.module{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px 22px; transition:transform .2s, box-shadow .2s, border-color .2s;
}
.module:hover{ transform:translateY(-3px); box-shadow:var(--shadow); border-color:var(--primary); }
.module-icon{
  width:42px; height:42px; border-radius:10px; background:var(--primary-soft);
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
  color:var(--primary);
}
.module-num{
  font-family:var(--font-display); font-weight:700; font-size:11px; color:var(--muted-soft);
  letter-spacing:1px; display:block; margin-bottom:4px;
}
.module h3{ font-family:var(--font-display); font-size:16px; font-weight:700; margin-bottom:8px; color:var(--ink); }
.module p{ color:var(--muted); font-size:14px; }

/* ---------- PROJECT CARDS ---------- */
.projects-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:20px; }
@media (max-width:760px){ .projects-grid{ grid-template-columns:1fr; } }
.project-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:28px; transition:transform .2s, box-shadow .2s, border-color .2s;
  display:flex; flex-direction:column; height:100%;
}
.project-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow); border-color:var(--primary); }
.project-top{ display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:14px; gap:10px; }
.project-cat{
  font-family:var(--font-display); font-size:11px; font-weight:700; letter-spacing:0.6px;
  text-transform:uppercase; color:var(--primary); background:var(--primary-soft);
  padding:4px 10px; border-radius:20px;
}
.badge{ font-size:11px; font-weight:600; padding:4px 10px; border-radius:20px; white-space:nowrap; }
.badge.ok{ color:var(--success); background:var(--success-soft); }
.badge.wip{ color:var(--badge-wip-text); background:var(--badge-wip-bg); }
.project-card h3{ font-family:var(--font-display); font-size:19px; font-weight:700; margin-bottom:8px; color:var(--ink); }
.project-card .desc{ color:var(--muted); font-size:14.5px; margin-bottom:16px; flex:1; }
.stack{ display:flex; flex-wrap:wrap; gap:7px; margin-bottom:16px; }
.stack span{
  font-size:12px; color:var(--muted); background:var(--surface-2); border:1px solid var(--border);
  padding:4px 9px; border-radius:6px;
}
.project-link{ font-size:13.5px; font-weight:600; color:var(--primary); display:inline-flex; align-items:center; gap:6px; }
.project-link:hover{ color:var(--primary-light); }

/* ---------- CONTACT ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:start; }
@media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }
.contact-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:32px;
}
.contact-card h3{ font-family:var(--font-display); font-size:18px; margin-bottom:18px; color:var(--ink); }
.contact-item{
  display:flex; align-items:center; gap:14px; padding:14px 0; border-top:1px solid var(--border);
}
.contact-item:first-of-type{ border-top:none; }
.contact-item .ico{
  width:36px; height:36px; border-radius:9px; background:var(--primary-soft);
  display:flex; align-items:center; justify-content:center; color:var(--primary); flex-shrink:0;
  font-family:var(--font-display); font-weight:700; font-size:13px;
}
.contact-item a, .contact-item span.value{ font-weight:600; font-size:14.5px; color:var(--ink); }
.contact-item a:hover{ color:var(--primary); }
.contact-item .label{ display:block; font-size:12px; color:var(--muted-soft); margin-bottom:2px; }

.availability{
  background:linear-gradient(160deg, var(--primary) 0%, var(--primary-dark) 100%); color:#ffffff; border-radius:var(--radius); padding:32px;
  height:100%; display:flex; flex-direction:column; justify-content:space-between;
}
.availability h3{ font-family:var(--font-display); font-size:20px; margin-bottom:10px; }
.availability p{ opacity:0.9; font-size:14.5px; margin-bottom:24px; }
.availability .status-dot{ width:8px; height:8px; border-radius:50%; background:#ffffff; box-shadow:0 0 0 4px rgba(255,255,255,0.25); display:inline-block; margin-right:8px; }
.availability .status-line{ font-size:13px; font-weight:700; margin-bottom:20px; display:flex; align-items:center; }
.availability .btn-primary{ background:#ffffff; color:var(--primary-dark); box-shadow:none; }
.availability .btn-primary:hover{ background:#eafff3; }

footer{
  padding:36px 0 48px; text-align:center; font-size:13px; color:var(--muted-soft);
  border-top:1px solid var(--border); margin-top:20px;
}
footer a{ color:var(--muted); font-weight:600; }
footer a:hover{ color:var(--primary); }

/* ==========================================================================
   Composants ajoutés — repositionnement "orienté solutions"
   ========================================================================== */

/* ---------- PROSE (À propos, textes longs) ---------- */
.prose p{ color:var(--muted); font-size:16px; margin-bottom:16px; max-width:68ch; }
.prose p:last-child{ margin-bottom:0; }
.prose strong{ color:var(--ink); }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.tag-row span{
  font-size:12.5px; font-weight:600; color:var(--primary); background:var(--primary-soft);
  padding:5px 12px; border-radius:20px;
}

/* ---------- CASE STUDY (page Projets) ---------- */
.case{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:32px; margin-bottom:22px; transition:border-color .2s;
}
.case:hover{ border-color:var(--primary); }
.case-top{ display:flex; justify-content:space-between; align-items:flex-start; gap:16px; margin-bottom:6px; flex-wrap:wrap; }
.case-top h3{ font-family:var(--font-display); font-size:21px; font-weight:700; color:var(--ink); }
.case-title{ display:flex; align-items:center; gap:12px; }
.case-logo{
  width:38px; height:38px; flex-shrink:0; object-fit:contain; border-radius:9px;
  background:#fff; padding:4px; border:1px solid var(--border);
}
.case-tags{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:18px; }
.case-tags span{
  font-size:11px; font-weight:700; letter-spacing:0.4px; text-transform:uppercase;
  color:var(--primary); background:var(--primary-soft); padding:4px 10px; border-radius:20px;
}
.case-grid{ display:grid; grid-template-columns:repeat(2, 1fr); gap:18px 24px; }
@media (max-width:700px){ .case-grid{ grid-template-columns:1fr; } }
.case-item h4{
  font-family:var(--font-display); font-size:11.5px; font-weight:700; text-transform:uppercase;
  letter-spacing:0.6px; color:var(--primary-light); margin-bottom:6px;
}
.case-item p{ color:var(--muted); font-size:14.5px; }
.case-footer{ margin-top:22px; padding-top:20px; border-top:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; gap:14px; flex-wrap:wrap; }
.case-footer .stack{ margin-bottom:0; }

/* ---------- FLOW (page Automatisation) ---------- */
.flow{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; margin:20px 0 8px; }
.flow-step{
  background:var(--surface); border:1px solid var(--border); border-radius:8px;
  padding:10px 14px; font-size:13px; font-weight:600; color:var(--ink);
}
.flow-arrow{ color:var(--muted-soft); font-size:14px; }
.flow-block{
  background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px; margin-bottom:20px;
}
.flow-block h3{ font-family:var(--font-display); font-size:17px; margin-bottom:6px; color:var(--ink); }
.flow-block p{ color:var(--muted); font-size:14.5px; }

/* ---------- BADGES supplémentaires ---------- */
.badge.concept{ color:var(--primary); background:var(--primary-soft); }
.badge.prototype{ color:var(--badge-wip-text); background:var(--badge-wip-bg); }

/* ---------- ANALYSES ---------- */
.analysis-list{ display:flex; flex-direction:column; gap:16px; }
.analysis-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:26px 28px; transition:border-color .2s, transform .2s;
}
.analysis-card:hover{ border-color:var(--primary); transform:translateX(4px); }
.analysis-card h3{ font-family:var(--font-display); font-size:17px; font-weight:700; margin-bottom:8px; color:var(--ink); }
.analysis-card p{ color:var(--muted); font-size:14.5px; }

/* ---------- STACK ---------- */
.stack-groups{ display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:16px; }
.stack-group{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:22px;
}
.stack-group h3{ font-family:var(--font-display); font-size:14px; font-weight:700; color:var(--primary); margin-bottom:14px; text-transform:uppercase; letter-spacing:0.5px; }
.stack-group .stack{ margin-bottom:0; }
.stack-group .stack span{ font-size:13px; padding:5px 11px; }

/* ---------- FOOTER SITEMAP ---------- */
.footer-links{
  display:flex; flex-wrap:wrap; justify-content:center; gap:10px 22px;
  margin-bottom:18px; font-size:13px; font-weight:600; color:var(--muted); padding:0 24px;
}
.footer-links a:hover{ color:var(--primary); }

/* ---------- NAV : ajustement pour 8 entrées ---------- */
.nav-links{ gap:16px; flex-wrap:wrap; row-gap:8px; justify-content:flex-end; }
.nav-links a{ font-size:13px; }
@media (max-width:960px){
  .nav-toggle{ display:flex; }
  .nav-links{
    position:fixed; top:70px; left:16px; right:16px; z-index:99;
    flex-direction:column; align-items:stretch; gap:4px; row-gap:4px; justify-content:flex-start;
    background:var(--surface); border:1px solid var(--border); border-radius:14px;
    padding:10px; box-shadow:var(--shadow);
    max-height:0; overflow:hidden; opacity:0; pointer-events:none;
    transition:max-height .3s ease, opacity .25s ease;
  }
  .nav-links.is-open{ max-height:70vh; opacity:1; pointer-events:auto; overflow-y:auto; }
  .nav-links a{ display:block; font-size:15px; padding:12px 12px; border-radius:8px; }
  .nav-links a:hover{ background:var(--surface-2); }
  .nav-links a.active::after{ display:none; }
  .nav-links a.active{ background:var(--primary-soft); color:var(--primary); }
  .nav-links .theme-toggle{ align-self:flex-start; margin:6px 4px 2px; }
}

/* ==========================================================================
   ANIMATIONS — reveal au scroll, orbes de fond, micro-interactions
   ========================================================================== */

@keyframes floatBlob{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(24px,-32px) scale(1.08); }
}
@keyframes floatBlobSlow{
  0%,100%{ transform:translate(0,0) scale(1); }
  50%{ transform:translate(-18px,26px) scale(1.05); }
}

/* Reveal au scroll : n'affecte la mise en page que si JS a pu tourner
   (classe .js posée par le script inline de <head>) — sans JS, tout reste visible. */
.js .reveal{
  opacity:0; transform:translateY(22px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity:1 !important; transform:none !important; }

/* stagger automatique dans les grilles/listes de cartes */
.modules .module:nth-child(2),
.stack-groups .stack-group:nth-child(2),
.project-card:nth-child(2){ transition-delay:.08s; }
.modules .module:nth-child(3),
.stack-groups .stack-group:nth-child(3){ transition-delay:.16s; }
.modules .module:nth-child(4),
.stack-groups .stack-group:nth-child(4){ transition-delay:.24s; }
.stack-groups .stack-group:nth-child(5){ transition-delay:.32s; }
.stack-groups .stack-group:nth-child(6){ transition-delay:.40s; }
.analysis-list .analysis-card:nth-child(2){ transition-delay:.06s; }
.analysis-list .analysis-card:nth-child(3){ transition-delay:.12s; }
.analysis-list .analysis-card:nth-child(4){ transition-delay:.18s; }
.analysis-list .analysis-card:nth-child(5){ transition-delay:.24s; }
.analysis-list .analysis-card:nth-child(6){ transition-delay:.30s; }
.flow-block + .flow-block{ transition-delay:.08s; }
.case + .case{ transition-delay:.04s; }

/* Orbes de fond animées — ambiance vivante sans images lourdes */
.bg-orbs{ position:fixed; inset:0; z-index:-1; overflow:hidden; pointer-events:none; }
.bg-orbs span{
  position:absolute; border-radius:50%; filter:blur(70px); opacity:0.8;
  background:radial-gradient(circle, var(--bg-glow-1), transparent 70%);
  animation:floatBlob 18s ease-in-out infinite;
}
.bg-orbs span:nth-child(1){ width:420px; height:420px; top:-140px; left:-120px; }
.bg-orbs span:nth-child(2){
  width:360px; height:360px; bottom:-160px; right:-100px;
  animation:floatBlobSlow 22s ease-in-out infinite; animation-delay:-6s;
  background:radial-gradient(circle, var(--bg-glow-2), transparent 70%);
}
.bg-orbs span:nth-child(3){ width:240px; height:240px; top:38%; left:58%; animation-duration:26s; animation-delay:-11s; }

/* Micro-animations d'icônes au survol */
.module-icon svg{ transition:transform .35s ease; }
.module:hover .module-icon svg{ transform:scale(1.15) rotate(-6deg); }
.contact-item .ico{ transition:transform .3s ease, background .3s ease, color .3s ease; }
.contact-item:hover .ico{ transform:scale(1.12); background:var(--primary); color:#fff; }
.stack-group{ transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.stack-group:hover{ transform:translateY(-3px); border-color:var(--primary); box-shadow:var(--shadow); }
.flow-step{ transition:transform .25s ease, background .25s ease, color .25s ease; }
.flow-step:hover{ transform:translateY(-2px) scale(1.03); background:var(--primary); color:#fff; }
.flow-block{ transition:transform .25s ease, border-color .25s ease; }
.flow-block:hover{ transform:translateY(-3px); border-color:var(--primary); }
.case-logo{ transition:transform .3s ease; }
.case:hover .case-logo{ transform:scale(1.08) rotate(-3deg); }
.availability{ transition:transform .25s ease, box-shadow .25s ease; }
.availability:hover{ transform:translateY(-3px); box-shadow:var(--shadow); }

@media (prefers-reduced-motion: reduce){
  .bg-orbs{ display:none; }
  .js .reveal{ opacity:1; transform:none; transition:none; }
}