/* ══════════════════════════════════════════════
   portefolio.css — ChoKInfO
   Charte : Oswald + Roboto · #2e22ee → #1e11e3
   ══════════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  --p-base:    #2e22ee;
  --p-dark:    #1e11e3;
  --p-light:   #e9e8fd;
  --p-hover:   #bebbf9;
  --bg-body:   #ffffff;
  --bg-dark:   #333333;
  --bg-grey80: #4d4d4d;
  --bg-grey5:  #f2f2f2;
  --text-body: #333333;
  --text-muted:#666666;
  --font-head: 'Oswald', sans-serif;
  --font-body: 'Roboto', 'Open Sans', sans-serif;
  --radius:    8px;
  --trans:     0.28s cubic-bezier(.4,0,.2,1);
  --cyan:      #00bcd4;
  --green:     #16a34a;
  --gold:      #f0a500;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg-body); color: var(--text-body); overflow-x: hidden; }
a { color: var(--p-base); text-decoration: none; }
img { max-width: 100%; display: block; }

/* ══════════════════════════════════════════════
   NAVBAR
   ══════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200; height: 64px;
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 2.5px solid var(--p-base);
  transition: box-shadow var(--trans);
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(46,34,238,.13); }

.navbar-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.navbar-logo img { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--p-base); }
.navbar-logo span { font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--p-base); letter-spacing: .06em; }

.navbar-title {
  font-family: var(--font-head); font-weight: 300; font-size: 1rem;
  color: var(--text-muted); letter-spacing: .1em; text-transform: uppercase;
  flex: 1; text-align: center;
}

.hamburger {
  background: var(--p-base); border: none; border-radius: 7px;
  padding: 9px 11px; cursor: pointer;
  display: flex; flex-direction: column; gap: 5px;
  transition: background var(--trans); flex-shrink: 0; position: relative; z-index: 201;
}
.hamburger:hover { background: var(--p-dark); }
.hamburger .bar { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: transform var(--trans), opacity var(--trans); }
.hamburger.open .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open .bar:nth-child(2) { opacity: 0; }
.hamburger.open .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ══════════════════════════════════════════════
   SIDEBAR
   ══════════════════════════════════════════════ */
.sidebar-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5);
  z-index: 198; opacity: 0; pointer-events: none; transition: opacity var(--trans);
}
.sidebar-overlay.active { opacity: 1; pointer-events: auto; }

.sidebar {
  position: fixed; top: 0; left: 0; width: 260px; height: 100%;
  background: var(--bg-dark); z-index: 199;
  display: flex; flex-direction: column; padding: 76px 0 32px;
  transform: translateX(-100%); transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: 2px 0 18px rgba(0,0,0,0.3);
}
.sidebar.active { transform: translateX(0); }
.sidebar nav { display: flex; flex-direction: column; }
.sidebar nav a {
  display: block; padding: 14px 24px; color: #fff; font-size: 1.05rem;
  transition: background var(--trans), padding-left var(--trans);
}
.sidebar nav a:hover { background: var(--cyan); border-radius: 0 8px 8px 0; padding-left: 32px; }
.sidebar-footer {
  margin-top: auto; padding: 18px 24px 0;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: .78rem; color: rgba(255,255,255,.45);
}

.sidebar-notez {
  display: block; margin: 0 0 6px; padding: 14px 24px;
  background: var(--p-base); color: #fff;
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 500;
  letter-spacing: .04em; text-transform: uppercase;
  border: none; cursor: pointer; text-align: left;
  transition: background var(--trans), padding-left var(--trans);
  border-radius: 0 8px 8px 0;
}
.sidebar-notez:hover { background: var(--p-dark); padding-left: 32px; color: #fff; }

/* ══════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════ */
.hero {
  padding: 120px 24px 70px; text-align: center;
  background: linear-gradient(160deg, var(--p-light) 0%, #fff 60%);
  border-bottom: 3px solid var(--p-light);
  position: relative; overflow: hidden;
}

/* Déco géométrique subtile derrière le hero */
.hero::before {
  content: '';
  position: absolute; top: -60px; right: -60px;
  width: 380px; height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46,34,238,.07) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; bottom: -40px; left: -40px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,188,212,.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--font-head); font-size: .85rem; font-weight: 500;
  letter-spacing: .22em; text-transform: uppercase; color: var(--p-base);
  margin-bottom: 16px; animation: fadeUp .6s .1s both;
}
.hero h1 {
  font-family: var(--font-head); font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 700;
  color: var(--p-base); letter-spacing: .02em; line-height: 1.1; margin-bottom: 16px;
  animation: fadeUp .7s .2s both;
}
.hero-sub {
  font-size: 1.1rem; color: var(--text-muted); max-width: 580px; margin: 0 auto 32px;
  line-height: 1.7; animation: fadeUp .7s .35s both;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: 100px;
  background: var(--p-base); color: #fff;
  font-family: var(--font-head); font-size: .88rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  box-shadow: 0 6px 24px rgba(46,34,238,.35);
  animation: fadeUp .7s .5s both;
}

@keyframes fadeUp { from { opacity:0; transform:translateY(18px); } to { opacity:1; transform:none; } }

/* ══════════════════════════════════════════════
   INTRO STRIP
   ══════════════════════════════════════════════ */
.intro-strip {
  background: var(--bg-grey5);
  border-bottom: 2px solid var(--p-light);
}
.intro-strip-inner {
  max-width: 900px; margin: 0 auto;
  padding: 22px 28px;
  display: flex; align-items: center; gap: 16px;
}
.intro-icon { font-size: 1.6rem; flex-shrink: 0; }
.intro-strip-inner p { font-size: .97rem; color: var(--text-muted); line-height: 1.65; }
.intro-strip-inner p strong { color: var(--p-base); }

/* ══════════════════════════════════════════════
   PAGE WRAP & GRILLE
   ══════════════════════════════════════════════ */
.page-wrap {
  max-width: 1100px; margin: 0 auto; padding: 60px 24px 60px;
  display: flex; flex-direction: column; gap: 48px;
}

/* ══════════════════════════════════════════════
   PROJECT CARD
   ══════════════════════════════════════════════ */
.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(46,34,238,.10);
  border: 1px solid rgba(46,34,238,.08);
  transition: transform var(--trans), box-shadow var(--trans);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(46,34,238,.18);
}

/* Alternance : image à droite sur les cartes paires */
.project-card--alt { direction: rtl; }
.project-card--alt > * { direction: ltr; }

/* ── Image ── */
.project-img-wrap {
  position: relative; overflow: hidden;
  min-height: 280px;
  background: var(--bg-grey5);
}
.project-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
  display: block;
}
.project-card:hover .project-img { transform: scale(1.04); }

.project-img-overlay {
  position: absolute; inset: 0;
  background: rgba(46,34,238,.7);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--trans);
}
.project-img-wrap:hover .project-img-overlay { opacity: 1; }

.visit-btn {
  color: #fff; font-family: var(--font-head);
  font-size: 1rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  border: 2px solid rgba(255,255,255,.7); padding: 12px 26px; border-radius: 4px;
  transition: background var(--trans), border-color var(--trans);
}
.project-img-wrap:hover .visit-btn { background: rgba(255,255,255,.15); border-color: #fff; }

/* Badge sur l'image */
.project-badge {
  position: absolute; top: 16px; left: 16px;
  background: var(--p-base); color: #fff;
  font-family: var(--font-head); font-size: .74rem; font-weight: 500;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px;
  box-shadow: 0 3px 12px rgba(46,34,238,.4);
  pointer-events: none;
}
.project-badge--cyan { background: var(--cyan); box-shadow: 0 3px 12px rgba(0,188,212,.4); }
.project-badge--green { background: var(--green); box-shadow: 0 3px 12px rgba(22,163,74,.4); }
.project-badge--gold { background: var(--gold); color: #1a1a1a; box-shadow: 0 3px 12px rgba(240,165,0,.45); }

/* ── Corps de la carte ── */
.project-body {
  background: #fff;
  padding: 36px 40px;
  display: flex; flex-direction: column; justify-content: center; gap: 12px;
  border-left: 4px solid var(--p-base);
}
.project-card--alt .project-body { border-left: none; border-right: 4px solid var(--p-base); }
.project-card--crypto .project-body { border-left-color: var(--gold); }
.project-card--crypto.project-card--alt .project-body { border-right-color: var(--gold); }

.project-label {
  font-family: var(--font-head); font-size: .75rem; font-weight: 500;
  letter-spacing: .2em; text-transform: uppercase; color: var(--text-muted);
}
.project-title {
  font-family: var(--font-head); font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700;
  color: var(--p-base); text-transform: uppercase; letter-spacing: .02em; line-height: 1.1;
}
.project-card--crypto .project-title { color: var(--gold); }

.project-tagline {
  font-size: .97rem; font-style: italic; color: var(--cyan); font-weight: 500;
}
.project-desc {
  font-size: .95rem; color: var(--text-muted); line-height: 1.75;
}

/* ── Bouton visiter ── */
.btn-visit {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 26px; border-radius: 4px; align-self: flex-start;
  background: var(--p-base); color: #fff;
  font-family: var(--font-head); font-size: .88rem; font-weight: 500;
  letter-spacing: .08em; text-transform: uppercase;
  box-shadow: 0 4px 14px rgba(46,34,238,.28);
  transition: background var(--trans), transform var(--trans), box-shadow var(--trans);
  margin-top: 4px;
}
.btn-visit:hover { background: var(--p-dark); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(46,34,238,.4); color: #e6e6e6; }
.btn-visit--gold { background: var(--gold); color: #1a1a1a; box-shadow: 0 4px 14px rgba(240,165,0,.35); }
.btn-visit--gold:hover { background: #c98a00; color: #fff; box-shadow: 0 8px 22px rgba(240,165,0,.5); }

/* ══════════════════════════════════════════════
   CTA SECTION
   ══════════════════════════════════════════════ */
.cta-section {
  background: linear-gradient(135deg, var(--p-base) 0%, #5548f5 100%);
  padding: 80px 24px;
}
.cta-inner {
  max-width: 780px; margin: 0 auto; text-align: center;
}
.cta-inner h2 {
  font-family: var(--font-head); font-size: clamp(1.6rem, 3.5vw, 2.6rem); font-weight: 600;
  color: #fff; letter-spacing: .03em; margin-bottom: 14px; line-height: 1.25;
}
.cta-inner p {
  font-size: 1rem; color: rgba(255,255,255,.85); line-height: 1.75; margin-bottom: 36px;
}
.cta-btns {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: center;
}
.btn-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 4px;
  background: #fff; color: var(--p-base);
  font-family: var(--font-head); font-size: .95rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  box-shadow: 0 4px 18px rgba(0,0,0,.2);
  transition: transform var(--trans), box-shadow var(--trans), background var(--trans);
}
.btn-cta:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,0,0,.25); background: var(--p-light); color: var(--p-base); }
.btn-cta--outline { background: transparent; border: 2px solid rgba(255,255,255,.7); color: #fff; box-shadow: none; }
.btn-cta--outline:hover { background: rgba(255,255,255,.12); border-color: #fff; transform: translateY(-3px); }

/* ══════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════ */
footer { background: var(--bg-grey80); padding: 32px 20px 20px; }
.footer-inner { max-width: 1140px; margin: 0 auto; text-align: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 2px 0; justify-content: center; margin-bottom: 18px; }
.footer-links a { color: #fff; font-size: .82rem; padding: 4px 9px; transition: color var(--trans); white-space: nowrap; }
.footer-links a:hover { color: var(--p-hover); }
.footer-links span { color: rgba(255,255,255,.3); line-height: 1.8; font-size: .8rem; padding: 0 2px; }
.footer-up {
  display: inline-block; margin: 8px auto 0;
  padding: 8px 32px; background: var(--p-base); color: #fff;
  border-radius: 4px; font-family: var(--font-head);
  font-size: .85rem; font-weight: 600; letter-spacing: .1em;
  transition: background var(--trans), transform var(--trans);
}
.footer-up:hover { background: var(--p-dark); transform: translateY(-2px); }
.footer-credit { margin-top: 14px; font-size: .78rem; color: rgba(255,255,255,.45); }
.footer-credit a { color: rgba(255,255,255,.65); transition: color var(--trans); }
.footer-credit a:hover { color: #fff; }

/* ══════════════════════════════════════════════
   SCROLL REVEAL
   ══════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ══════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════ */
@media (max-width: 900px) {
  .project-card,
  .project-card--alt { grid-template-columns: 1fr; direction: ltr; }

  .project-img-wrap { min-height: 220px; }

  .project-body { border-left: 4px solid var(--p-base) !important; border-right: none !important; padding: 26px 24px; }
  .project-card--crypto .project-body { border-left-color: var(--gold) !important; }

  .cta-section { padding: 50px 16px; }
}

@media (max-width: 767px) {
  .navbar { height: 56px; padding: 0 14px; }
  .navbar-logo img { width: 32px; height: 32px; }
  .navbar-logo span { font-size: 1rem; }
  .navbar-title { font-size: .78rem; }

  .hero { padding: 90px 16px 50px; }

  .page-wrap { padding: 36px 16px 48px; gap: 32px; }

  .project-body { padding: 22px 18px; }
  .project-title { font-size: 1.5rem; }

  .btn-visit { width: 100%; justify-content: center; }

  .intro-strip-inner { flex-direction: column; text-align: center; padding: 18px 16px; }
  .intro-icon { font-size: 2rem; }

  .cta-btns { flex-direction: column; align-items: center; }
  .btn-cta { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .sidebar { width: 100%; }
}