:root {
  --bg: #0b1020;
  --bg-elev: #0f172a;
  --text: #e5e7eb;
  --muted: #a5b4fc;
  --muted-2: #94a3b8;
  --glass: rgba(148, 163, 184, 0.08);
  --border: rgba(148, 163, 184, 0.18);
  --shadow: 0 10px 30px rgba(2, 6, 23, 0.6);

  /* Accent gradient */
  --acc-1: #7c3aed; /* violet */
  --acc-2: #2563eb; /* blue */
  --gradient: linear-gradient(135deg, var(--acc-1), var(--acc-2));
}

/* Base */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 0% 0%, rgba(124, 58, 237, 0.15), transparent 60%),
    radial-gradient(800px 400px at 100% 0%, rgba(37, 99, 235, 0.12), transparent 60%),
    var(--bg);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(1100px, 92vw); margin-inline: auto; }

.section { padding: 96px 0; }
.section-title { font-family: 'Poppins', sans-serif; font-size: 32px; margin: 0 0 24px; letter-spacing: -0.01em; }

/* Navbar */
.navbar {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: saturate(140%) blur(10px);
  background: rgba(11, 16, 32, 0.6);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { font-family: 'Poppins', sans-serif; font-weight: 700; letter-spacing: -0.02em; }
.brand span { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-list { display: flex; gap: 22px; list-style: none; padding: 0; margin: 0; }
.nav-list a { color: var(--muted-2); font-weight: 500; }
.nav-list a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle .bar { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; transition: transform 0.3s ease; }

/* Glass card */
.glass {
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 16px;
}
.card { padding: 24px; }

/* Grid helpers */
.grid-2 { display: grid; gap: 28px; grid-template-columns: 1.2fr 1fr; align-items: center; }
.grid-3 { display: grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }

/* Hero */
.hero { padding-top: 120px; }
.hero .title { font-family: 'Poppins', sans-serif; font-size: clamp(28px, 5vw, 44px); margin: 0 0 8px; letter-spacing: -0.02em; }
.hero .subtitle { color: var(--muted); margin: 0 0 12px; font-weight: 600; }
.hero .tagline { color: var(--muted-2); max-width: 60ch; margin-bottom: 22px; }
.accent { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: 12px; border: 1px solid var(--border); color: var(--text); transition: transform .2s ease, background .3s ease, border-color .3s ease; }
.btn.primary { background: var(--gradient); border-color: transparent; }
.btn.primary:hover { transform: translateY(-1px); filter: brightness(1.05); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: rgba(148,163,184,.08); }

.stats { display: grid; grid-template-columns: repeat(3, minmax(100px, 1fr)); gap: 16px; margin-top: 8px; }
.stat { padding: 16px; border-radius: 14px; background: rgba(2,6,23,0.35); border: 1px solid var(--border); text-align: center; }
.stat .num { font-family: 'Poppins', sans-serif; font-size: 28px; font-weight: 700; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .label { color: var(--muted-2); font-size: 13px; }

.hero-visual .avatar {
  width: 220px; height: 220px; border-radius: 50%;
  aspect-ratio: 1 / 1;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(0,0,0,.12)),
    url('../img/prof.jpg') center/cover no-repeat;
  border: 1px solid rgba(255,255,255,.08);
  /* subtle inner ring + base elevation */
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.04), 0 10px 28px rgba(2,6,23,.55);
  margin-left: auto; margin-right: auto;
  position: relative;
  isolation: isolate;
  filter: saturate(1.04) contrast(1.02);
  transition: transform .35s ease, box-shadow .35s ease, filter .35s ease;
}

.hero-visual .avatar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(255,255,255,.18), transparent 40%),
    radial-gradient(120% 120% at 70% 80%, rgba(0,0,0,.25), transparent 40%);
  mix-blend-mode: overlay;
  pointer-events: none;
}

.hero-visual .avatar::after {
  content: "";
  position: absolute;
  inset: -26px;
  border-radius: inherit;
  background: radial-gradient(80% 60% at 50% 55%, rgba(20,30,60,.55), transparent 60%);
  z-index: -2;
  filter: blur(22px);
  opacity: .8;
}

.hero-visual .avatar:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.06), 0 18px 38px rgba(2,6,23,.6);
  filter: saturate(1.08) contrast(1.04);
}
/* Removed continuous animations for a more professional look */

/* Timeline */
.timeline { position: relative; margin: 22px 0; }
.timeline::before { content: ""; position: absolute; left: 16px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--acc-1), transparent); opacity: .6; }
.timeline-item { position: relative; padding-left: 54px; margin: 22px 0; }
.timeline-dot { position: absolute; width: 12px; height: 12px; left: 10px; top: 10px; border-radius: 50%; background: var(--gradient); box-shadow: 0 0 0 4px rgba(124,58,237,.15); }
.timeline-content { padding: 18px; }
.timeline .meta { color: var(--muted-2); font-size: 14px; }

/* Cards / Tags / Bars */
.cards { margin-top: 10px; }
.tag { display: inline-block; padding: 8px 12px; margin: 6px; border-radius: 999px; background: rgba(124,58,237,.12); border: 1px solid var(--border); color: #c7d2fe; font-weight: 600; font-size: 13px; }

.level { display: grid; gap: 10px; }
.level .bar { width: 100%; height: 8px; background: rgba(148,163,184,.18); border-radius: 999px; overflow: hidden; }
.level .bar span { display: block; height: 100%; background: var(--gradient); border-radius: inherit; }

/* Contact */
.contact-form { max-width: 720px; margin-inline: auto; }
.form-row { display: grid; gap: 8px; margin-bottom: 14px; }
label { font-weight: 600; color: var(--text); }
input, textarea {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border);
  background: rgba(2,6,23,.4); color: var(--text);
}
input::placeholder, textarea::placeholder { color: #6b7280; }
input:focus, textarea:focus { outline: none; border-color: #a78bfa; box-shadow: 0 0 0 4px rgba(167,139,250,.15); }
.error { color: #fca5a5; min-height: 16px; }
.form-actions { display: flex; justify-content: flex-end; }
.form-note { color: var(--muted-2); font-size: 12px; text-align: center; margin-top: 10px; }

/* Footer */
.footer { padding: 40px 0; border-top: 1px solid var(--border); background: rgba(2,6,23,.35); text-align: center; color: var(--muted-2); }

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.show { opacity: 1; transform: translateY(0); }

/* Utility */
.grid-center { display: grid; place-items: center; }

/* Responsive */
@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .nav-toggle { display: block; }
  .nav-list { position: fixed; right: 16px; top: 64px; background: rgba(11,16,32,.9); border: 1px solid var(--border); border-radius: 14px; padding: 12px; flex-direction: column; gap: 12px; display: none; }
  .nav-list.open { display: flex; }
}

@media (max-width: 560px) {
  .grid-3 { grid-template-columns: 1fr; }
  .hero-visual .avatar { width: 180px; height: 180px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}


/* WhatsApp button only */
a.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  color: #fff !important;
  background: linear-gradient(
    120deg,
    #075e54,
    #128c7e,
    #25d366,
    #128c7e,
    #075e54
  );
  background-size: 300% 300%;
  border: 1px solid #25d366;
  border-radius: 14px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.18);
  animation: wa-gradient 6s ease infinite;
  transition: transform 0.35s ease,
              box-shadow 0.35s ease;
}

a.whatsapp-btn i {
  color: #fff;
  font-size: 22px;
  transition: transform 0.35s ease;
}

@keyframes wa-gradient {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

a.whatsapp-btn:hover {
  color: #fff !important;
  transform: translateY(-3px);
  box-shadow: 0 0 18px rgba(37, 211, 102, 0.4);
}

a.whatsapp-btn:hover i {
  transform: scale(1.12) rotate(-8deg);
}

a.whatsapp-btn:active {
  transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
  a.whatsapp-btn {
    animation: none;
    transition: none;
  }
}


/* =====================================
   MES PROJETS — Galerie et carrousel
===================================== */
.projects-section { overflow: hidden; }
.projects-intro { color: var(--muted-2); max-width: 680px; margin: -10px 0 28px; }
.project-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0; }
.project-filter { font: inherit; font-size: 13px; font-weight: 600; color: var(--muted-2); background: rgba(148,163,184,.06); border: 1px solid var(--border); border-radius: 999px; padding: 10px 16px; cursor: pointer; transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease; }
.project-filter:hover { color: var(--text); transform: translateY(-2px); border-color: var(--acc-1); }
.project-filter.active { color: #fff; background: var(--gradient); border-color: transparent; box-shadow: 0 5px 20px rgba(124,58,237,.2); }
.projects-carousel { display: grid; grid-template-columns: 42px minmax(0,1fr) 42px; align-items: center; gap: 14px; }
.projects-viewport { min-width: 0; overflow: hidden; border-radius: 20px; }
.projects-track { display: flex; transition: transform .5s cubic-bezier(.22,1,.36,1); will-change: transform; }
.project-slide { flex: 0 0 100%; min-width: 0; padding: 2px; }
.project-card { overflow: hidden; border-radius: 18px; background: rgba(15,23,42,.72); border: 1px solid var(--border); box-shadow: var(--shadow); }
.project-media { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; background: #070b16; }
.project-media img, .project-media video { display: block; width: 100%; height: 100%; object-fit: contain; }
.project-media video { background: #070b16; }
.project-media-label { position: absolute; top: 14px; left: 14px; z-index: 2; padding: 6px 11px; border-radius: 999px; background: rgba(11,16,32,.88); border: 1px solid var(--border); color: #ddd6fe; font-size: 11px; font-weight: 700; backdrop-filter: blur(8px); }
.project-info { padding: 22px; }
.project-category { display: inline-block; margin-bottom: 8px; color: #c4b5fd; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.project-info h3 { margin: 0 0 10px; font-family: 'Poppins', sans-serif; font-size: clamp(19px,3vw,25px); }
.project-info p { margin: 0; color: var(--muted-2); font-size: 14px; line-height: 1.8; }
.project-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.project-link { display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); font-size: 13px; font-weight: 600; text-decoration: none; transition: background .25s ease, border-color .25s ease; }
.project-link:hover { background: rgba(124,58,237,.14); border-color: var(--acc-1); }
.project-arrow { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: var(--glass); color: var(--text); cursor: pointer; transition: background .25s ease, transform .25s ease; }
.project-arrow:hover:not(:disabled) { background: var(--gradient); transform: scale(1.06); }
.project-arrow:disabled { opacity: .3; cursor: not-allowed; }
.project-dots { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.project-dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 99px; background: rgba(148,163,184,.35); cursor: pointer; transition: width .3s ease, background .3s ease; }
.project-dot.active { width: 25px; background: var(--gradient); }
.projects-hint { text-align: center; color: var(--muted-2); font-size: 12px; margin-top: 18px; }
.project-empty { padding: 42px 20px; text-align: center; color: var(--muted-2); border: 1px dashed var(--border); border-radius: 16px; }
@media (max-width: 600px) {
  .project-filters { gap: 8px; }
  .project-filter { padding: 8px 11px; font-size: 12px; }
  .projects-carousel { grid-template-columns: 30px minmax(0,1fr) 30px; gap: 6px; }
  .project-arrow { width: 30px; height: 36px; border-radius: 10px; }
  .project-info { padding: 16px; }
  .project-media { aspect-ratio: 4 / 3; }
}
@media (prefers-reduced-motion: reduce) { .projects-track, .project-filter, .project-arrow, .project-dot { transition: none !important; } }