/* ─── TOKENS ─── */
:root {
  --bg-primary:    #F8F6F3;
  --bg-secondary:  #EFECE8;
  --bg-dark:       #1A1A2E;
  --bg-card:       #FFFFFF;
  --text-primary:  #1A1A2E;
  --text-secondary:#5A5A6E;
  --text-light:    #8A8A9A;
  --text-on-dark:  #F8F6F3;
  --accent:        #C5705D;
  --accent-hover:  #B5604D;
  --accent-light:  rgba(197,112,93,0.09);
  --border:        #E2DFD9;
  --font-display:  'DM Serif Display', Georgia, serif;
  --font-body:     'DM Sans', -apple-system, sans-serif;
  --r:   12px;
  --r-sm: 8px;
  --sh-sm: 0 1px 3px rgba(26,26,46,0.05);
  --sh-md: 0 4px 20px rgba(26,26,46,0.07);
  --sh-lg: 0 8px 40px rgba(26,26,46,0.09);
  --mw: 1200px;
}

/* ─── RESET ─── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { display:block; max-width:100%; }
a { color: inherit; }

/* ─── LUCIDE ─── */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon svg { width: 100%; height: 100%; stroke-width: 1.75; }

/* ─── LANG TOGGLE ─── */
.lang-toggle {
  display: flex;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 3px;
}
.lang-toggle button {
  background: none; border: none; cursor: pointer;
  padding: 0.28rem 0.7rem;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.2s;
  letter-spacing: 0.05em;
}
.lang-toggle button.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--sh-sm);
}

/* ─── NAV ─── */
nav {
  position: fixed; top:0; left:0; right:0; z-index:100;
  background: rgba(248,246,243,0.93);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: var(--sh-sm); }
.nav-inner {
  max-width: var(--mw); margin: 0 auto;
  padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; gap: 2rem;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  text-decoration: none;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo span { color: var(--accent); }
.nav-links {
  display: flex; align-items: center; gap: 1.75rem;
  flex: 1; justify-content: center;
}
.nav-links a {
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 450;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-right { display: flex; align-items: center; gap: 1rem; flex-shrink: 0; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--r-sm);
  font-size: 0.88rem; font-weight: 520;
  text-decoration: none;
  transition: all 0.22s;
  cursor: pointer; border: none;
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn .icon { width:15px; height:15px; }
.btn-primary { background: var(--accent); color:#fff; }
.btn-primary:hover { background: var(--accent-hover); transform:translateY(-1px); box-shadow:0 4px 16px rgba(197,112,93,0.3); }
.btn-secondary { background:transparent; color:var(--text-primary); border:1.5px solid var(--border); }
.btn-secondary:hover { border-color:var(--text-primary); }
.btn-outline-dark { background:transparent; color:var(--text-on-dark); border:1.5px solid rgba(255,255,255,0.22); }
.btn-outline-dark:hover { border-color:rgba(255,255,255,0.55); }
.btn-ghost { background:transparent; color:var(--accent); padding:0.45rem 0; font-size:0.85rem; }
.btn-ghost:hover { color:var(--accent-hover); }
.btn-ghost .icon { width:14px; height:14px; }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display:none; background:none; border:none;
  cursor:pointer; padding:0.4rem;
}
.mobile-menu .icon { width:22px; height:22px; color:var(--text-primary); }

/* ─── LAYOUT HELPERS ─── */
section { padding: 5.5rem 2rem; }
.container { max-width: var(--mw); margin:0 auto; }
.section-label {
  font-size:0.75rem; text-transform:uppercase;
  letter-spacing:0.13em; color:var(--accent);
  font-weight:600; margin-bottom:0.7rem;
}
.section-title {
  font-family:var(--font-display);
  font-size:2.4rem; line-height:1.2;
  letter-spacing:-0.02em; margin-bottom:1rem;
}
.section-desc {
  font-size:1.02rem; color:var(--text-secondary);
  max-width:560px; line-height:1.75;
}
.section-header { margin-bottom:3rem; }

/* ─── HERO ─── */
.hero {
  padding: 9.5rem 2rem 5.5rem;
  max-width:var(--mw); margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr;
  gap:4rem; align-items:center;
}
.hero-badge {
  display:inline-flex; align-items:center; gap:0.45rem;
  padding:0.38rem 0.9rem;
  background:var(--accent-light);
  border:1px solid rgba(197,112,93,0.18);
  border-radius:100px;
  font-size:0.8rem; color:var(--accent); font-weight:500;
  margin-bottom:1.4rem;
}
.hero-badge .icon { width:12px; height:12px; }
.hero h1 {
  font-family:var(--font-display);
  font-size:3.3rem; line-height:1.1;
  font-weight:400; letter-spacing:-0.03em;
  margin-bottom:1.4rem;
}
.hero h1 em { font-style:italic; color:var(--accent); }
.hero-desc {
  font-size:1.08rem; color:var(--text-secondary);
  line-height:1.75; margin-bottom:2rem; max-width:470px;
}
.hero-actions { display:flex; gap:0.9rem; align-items:center; flex-wrap:wrap; }
.hero-stats {
  display:flex; gap:2.5rem;
  margin-top:2.75rem; padding-top:2rem;
  border-top:1px solid var(--border);
}
.stat-num {
  font-family:var(--font-display);
  font-size:1.9rem; color:var(--text-primary); line-height:1;
}
.stat-label {
  font-size:0.78rem; color:var(--text-light);
  margin-top:0.3rem; letter-spacing:0.04em; text-transform:uppercase;
}

/* hero visual */
.hero-visual { display:flex; justify-content:center; }
.hero-card {
  width:100%; max-width:440px;
  background:var(--bg-card);
  border-radius:16px; border:1px solid var(--border);
  overflow:hidden; box-shadow:var(--sh-lg);
}
.hero-card-header {
  padding:1.25rem 1.5rem;
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:0.7rem;
}
.dots { display:flex; gap:5px; }
.dots span { width:9px; height:9px; border-radius:50%; }
.dots span:nth-child(1){ background:#FF6B6B; }
.dots span:nth-child(2){ background:#FFD93D; }
.dots span:nth-child(3){ background:#6BCB77; }
.file-label { font-size:0.8rem; color:var(--text-light); }
.hero-card-body { padding:1.4rem 1.5rem; }
.code-line {
  font-family:'SF Mono','Fira Code',monospace;
  font-size:0.83rem; line-height:2.1;
  color:var(--text-secondary);
}
.kw  { color:var(--accent); font-weight:500; }
.str { color:#6BCB77; }
.fn  { color:#5B8DEF; }
.cm  { color:var(--text-light); font-style:italic; }
.hero-card-footer {
  padding:0.9rem 1.5rem;
  background:var(--bg-secondary);
  font-size:0.8rem; color:var(--text-light);
  display:flex; align-items:center; gap:0.5rem;
}
.hero-card-footer .icon { width:13px; height:13px; color:#6BCB77; }

/* ─── COURSES ─── */
#courses { background: var(--bg-secondary); }
.courses-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:1.4rem;
  margin-bottom:2rem;
}
.course-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:1.75rem;
  transition:all 0.3s;
  display:flex; flex-direction:column; gap:0;
}
.course-card:hover { border-color:var(--accent); box-shadow:var(--sh-md); transform:translateY(-2px); }
.course-meta { display:flex; align-items:center; gap:0.9rem; margin-bottom:1.1rem; }
.course-icon-wrap {
  width:42px; height:42px;
  border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.course-icon-wrap .icon { width:20px; height:20px; }
.ci-web    { background:#E3F2FD; } .ci-web    .icon { color:#1976D2; }
.ci-python { background:#FFF3E0; } .ci-python .icon { color:#E65100; }
.ci-id     { background:#F3E5F5; } .ci-id     .icon { color:#7B1FA2; }
.ci-career { background:#E8F5E9; } .ci-career .icon { color:#2E7D32; }
.course-tags { display:flex; gap:0.45rem; flex-wrap:wrap; }
.course-tag {
  font-size:0.72rem; padding:0.18rem 0.55rem;
  border-radius:100px;
  background:var(--bg-secondary);
  color:var(--text-light); font-weight:450;
}
.course-card h3 {
  font-family:var(--font-display);
  font-size:1.15rem; line-height:1.3;
  margin-bottom:0.65rem;
}
.course-desc {
  font-size:0.9rem; color:var(--text-secondary);
  line-height:1.7; margin-bottom:1.4rem; flex:1;
}
.course-footer {
  display:flex; align-items:center;
  justify-content:space-between;
  padding-top:1.1rem;
  border-top:1px solid var(--border);
  margin-top:auto;
}
.course-meta-info { display:flex; gap:1.1rem; }
.course-meta-item {
  display:flex; align-items:center; gap:0.3rem;
  font-size:0.8rem; color:var(--text-light);
}
.course-meta-item .icon { width:13px; height:13px; }
.courses-cta { text-align:center; }

/* ─── TESTIMONIALS ─── */
.testimonials-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:1.4rem;
}
.testi-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--r);
  padding:1.75rem;
  display:flex; flex-direction:column; gap:1.2rem;
  transition:box-shadow 0.3s;
}
.testi-card:hover { box-shadow:var(--sh-md); }
.testi-tag {
  display:inline-flex; align-items:center; gap:0.35rem;
  font-size:0.73rem; padding:0.22rem 0.6rem;
  border-radius:100px;
  background:var(--accent-light);
  color:var(--accent); font-weight:500;
}
.testi-tag .icon { width:11px; height:11px; }
.testi-body {
  position:relative; padding-top:1.5rem; flex:1;
}
.testi-body::before {
  content:'\201C';
  font-family:var(--font-display);
  font-size:4.5rem; color:var(--accent); opacity:0.18;
  position:absolute; top:-1rem; left:-0.2rem; line-height:1;
  pointer-events:none;
}
.testi-body p {
  font-size:0.91rem; color:var(--text-secondary); line-height:1.82;
}
.testi-author {
  display:flex; align-items:center; gap:0.85rem;
  padding-top:1.1rem; border-top:1px solid var(--border);
}
.testi-avatar {
  width:38px; height:38px; border-radius:50%;
  background:var(--accent-light);
  border:1px solid rgba(197,112,93,0.2);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.testi-avatar .icon { width:17px; height:17px; color:var(--accent); }
.testi-name { font-size:0.88rem; font-weight:580; margin-bottom:0.08rem; }
.testi-context { font-size:0.78rem; color:var(--text-light); }

/* ─── ABOUT ─── */
.about-section { background:var(--bg-dark); color:var(--text-on-dark); }
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:center; }
.about-section .section-label { color:rgba(197,112,93,0.9); }
.about-section .section-title { color:var(--text-on-dark); }
.about-section .section-desc { color:rgba(248,246,243,0.7); }
.credentials { display:flex; flex-direction:column; gap:1.1rem; margin-top:1.75rem; }
.credential {
  display:flex; align-items:flex-start; gap:0.9rem;
  padding:1.1rem;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--r-sm);
}
.cred-icon {
  width:38px; height:38px; border-radius:8px;
  background:rgba(197,112,93,0.15);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.cred-icon .icon { width:18px; height:18px; color:var(--accent); }
.credential h4 { font-size:0.92rem; font-weight:560; margin-bottom:0.15rem; }
.credential p  { font-size:0.82rem; color:rgba(248,246,243,0.5); line-height:1.5; }
.about-visual { display:flex; flex-direction:column; gap:1.4rem; }
.about-quote {
  padding:1.75rem;
  background:rgba(255,255,255,0.04);
  border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-family:var(--font-display);
  font-size:1.25rem; font-style:italic; line-height:1.55;
  color:rgba(248,246,243,0.92);
}
.about-approach {
  padding:1.75rem;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:var(--r-sm);
}
.about-approach h4 { font-size:0.92rem; font-weight:560; margin-bottom:0.9rem; color:rgba(248,246,243,0.9); }
.approach-list { display:flex; flex-direction:column; gap:0.55rem; }
.approach-item {
  display:flex; align-items:center; gap:0.7rem;
  font-size:0.88rem; color:rgba(248,246,243,0.62);
}
.approach-item .icon { width:13px; height:13px; color:var(--accent); flex-shrink:0; }

/* ─── MENTORING ─── */
.mentoring-card {
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:16px; padding:2.75rem;
  display:grid; grid-template-columns:1fr 1fr;
  gap:3rem; align-items:center;
}
.mentoring-features { display:flex; flex-direction:column; gap:1.2rem; margin-top:1.4rem; }
.mentoring-feature { display:flex; gap:0.9rem; align-items:flex-start; }
.mentoring-feat-icon {
  width:34px; height:34px; border-radius:8px;
  background:var(--accent-light);
  border:1px solid rgba(197,112,93,0.12);
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.mentoring-feat-icon .icon { width:16px; height:16px; color:var(--accent); }
.mentoring-feature h4 { font-size:0.92rem; font-weight:560; margin-bottom:0.12rem; }
.mentoring-feature p  { font-size:0.83rem; color:var(--text-secondary); line-height:1.55; }
.mentoring-visual {
  background:var(--bg-secondary);
  border-radius:var(--r); padding:2.25rem; text-align:center;
}
.mentoring-label {
  font-size:0.75rem; text-transform:uppercase;
  letter-spacing:0.1em; color:var(--text-light); margin-bottom:1.4rem;
}
.steps { display:flex; flex-direction:column; gap:0.9rem; }
.step {
  display:flex; align-items:center; gap:0.9rem;
  text-align:left; padding:0.9rem;
  background:var(--bg-card);
  border-radius:var(--r-sm); border:1px solid var(--border);
}
.step-num {
  width:26px; height:26px; border-radius:50%;
  background:var(--accent); color:#fff;
  font-size:0.78rem; font-weight:600;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.step-text { font-size:0.86rem; color:var(--text-secondary); }
.mentoring-cta { margin-top:1.5rem; width:100%; justify-content:center; }

/* ─── FAQ ─── */
#faq { background: var(--bg-secondary); }
#faq .section-header { text-align: center; }
.faq-list { max-width:720px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--border); padding:1.4rem 0; }
.faq-q {
  font-family:var(--font-display);
  font-size:1.08rem;
  cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:1rem;
}
.faq-q .faq-icon { width:18px; height:18px; color:var(--text-light); transition:transform 0.3s; flex-shrink:0; }
.faq-item.open .faq-q .faq-icon { transform:rotate(45deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height 0.35s ease, padding 0.35s ease; }
.faq-item.open .faq-a { max-height:260px; padding-top:0.9rem; }
.faq-a p { font-size:0.93rem; color:var(--text-secondary); line-height:1.78; }

/* ─── CTA ─── */
.cta-section { background:var(--bg-dark); text-align:center; padding:5rem 2rem; }
.cta-section .section-title { color:var(--text-on-dark); margin-bottom:1rem; }
.cta-lead {
  color:rgba(248,246,243,0.65); font-size:1.02rem;
  margin-bottom:2rem; max-width:480px;
  margin-left:auto; margin-right:auto; line-height:1.75;
}
.cta-actions { display:flex; gap:0.9rem; justify-content:center; flex-wrap:wrap; }

/* ─── FOOTER ─── */
footer { background:var(--bg-dark); border-top:1px solid rgba(255,255,255,0.06); padding:2.75rem 2rem 2rem; }
.footer-inner {
  max-width:var(--mw); margin:0 auto;
  display:flex; justify-content:space-between; align-items:center;
}
.footer-logo { font-family:var(--font-display); font-size:1.1rem; color:var(--text-on-dark); }
.footer-logo span { color:var(--accent); }
.footer-links { display:flex; gap:1.75rem; flex-wrap:wrap; }
.footer-links a { font-size:0.83rem; color:rgba(248,246,243,0.42); text-decoration:none; transition:color 0.2s; }
.footer-links a:hover { color:rgba(248,246,243,0.8); }
.footer-copy {
  text-align:center; padding-top:1.75rem; margin-top:1.75rem;
  border-top:1px solid rgba(255,255,255,0.06);
  max-width:var(--mw); margin-left:auto; margin-right:auto;
}
.footer-copy p { font-size:0.78rem; color:rgba(248,246,243,0.28); }

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
.anim { opacity:0; animation:fadeUp 0.55s ease forwards; }
.d1 { animation-delay:0.1s; } .d2 { animation-delay:0.2s; }
.d3 { animation-delay:0.3s; } .d4 { animation-delay:0.4s; }

/* ─── LANG ─── */
[data-lang]          { display:none !important; }
.lang-en [data-lang="en"] { display:revert !important; }
.lang-fr [data-lang="fr"] { display:revert !important; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .hero h1 { font-size:2.9rem; }
  .section-title { font-size:2.1rem; }
  .hero-stats { gap:2rem; }
  .stat-num { font-size:1.7rem; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns:1fr;
    padding:7.5rem 1.5rem 4rem;
    gap:2.5rem;
  }
  .hero-visual { order:-1; }
  .hero h1 { font-size:2.6rem; }
  .hero-card { max-width:100%; }
  .hero-stats { gap:1.75rem; }
  .courses-grid,
  .testimonials-grid,
  .about-grid { grid-template-columns:1fr; }
  .mentoring-card { grid-template-columns:1fr; padding:1.75rem; gap:2rem; }
  .section-title { font-size:1.9rem; }
  .nav-links { display:none; }
  .nav-links.open {
    display:flex; flex-direction:column;
    position:fixed; top:68px; left:0; right:0;
    background:rgba(248,246,243,0.97);
    backdrop-filter:blur(20px);
    padding:1.5rem 2rem 2rem;
    border-bottom:1px solid var(--border);
    gap:1.25rem; align-items:flex-start;
    box-shadow:var(--sh-md);
  }
  .nav-links.open a {
    padding:0.5rem 0;
    font-size:0.95rem;
  }
  .mobile-menu { display:flex; }
  .footer-inner { flex-direction:column; gap:1.5rem; text-align:center; }
  .footer-links { justify-content:center; }
}

@media (max-width: 768px) {
  .hero {
    padding:7rem 1.25rem 3.5rem;
  }
  .hero h1 { font-size:2.3rem; }
  .hero-desc { font-size:1rem; }
  .hero-stats { gap:1.5rem; }
  .stat-num { font-size:1.6rem; }
  section { padding:4.5rem 1.5rem; }
  .section-title { font-size:1.75rem; }
  .mentoring-card { padding:1.5rem; }
  .mentoring-visual { padding:1.75rem; }
  .nav-links.open a {
    padding:0.5rem 0;
    font-size:1rem;
    min-height:44px;
    display:flex;
    align-items:center;
  }
  .btn {
    min-height:44px;
    padding:0.7rem 1.4rem;
  }
  .footer-links { gap:1.25rem; }
  .footer-links a {
    min-height:44px;
    display:inline-flex;
    align-items:center;
  }
}

@media (max-width: 480px) {
  section { padding:4rem 1.25rem; }
  .hero h1 { font-size:2.1rem; }
  .hero-stats {
    flex-direction:column;
    gap:1rem;
    text-align:center;
  }
  .hero-stats > div {
    display:flex;
    flex-direction:column;
    align-items:center;
  }
  .courses-grid, .testimonials-grid { gap:1rem; }
  .cta-actions { flex-direction:column; align-items:center; }
  .btn { width:100%; justify-content:center; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .hero-actions .btn { justify-content:center; }
  .nav-inner { padding:0 1.25rem; }
  .faq-q { font-size:0.98rem; }
  .section-label { font-size:0.7rem; }
}