/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f1f3f5;
  --text-primary: #1a1a2e;
  --text-secondary: #495057;
  --text-muted: #6c757d;
  --accent: #f59e0b;
  --accent-dim: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.12);
  --border: #dee2e6;
  --radius: 12px;
  --radius-sm: 8px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --max-width: 1200px;
  --header-h: 72px;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-dim); }
img { max-width: 100%; height: auto; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ===== HEADER ===== */
header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 4px;
}

.logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.logo-tagline {
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  -webkit-text-fill-color: var(--text-muted);
  color: var(--text-muted);
  background: none;
  display: block;
  line-height: 1;
  margin-top: 1px;
}

.logo-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo span { font-weight: 300; color: var(--text-muted); }

nav { display: flex; gap: 8px; }
nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all .2s;
}
nav a:hover, nav a.active {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all .3s; }

/* ===== MAIN ===== */
main { padding-top: var(--header-h); min-height: 80vh; }

/* ===== HERO ===== */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  transform: translate(-50%, -30%);
  pointer-events: none;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  position: relative;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 36px;
  position: relative;
}

.hero-actions { display: flex; gap: 16px; justify-content: center; position: relative; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all .2s;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #0a0a0b;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
  color: #0a0a0b;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
  color: var(--text-primary);
}

/* ===== STATS ===== */
.stats {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item h3 {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 560px;
}

.section-header { text-align: center; margin-bottom: 48px; }
.section-header .section-subtitle { margin: 0 auto; }

/* ===== VERTICALS GRID ===== */
.verticals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.vertical-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .25s;
  position: relative;
  overflow: hidden;
}

.vertical-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), var(--accent-dim));
  opacity: 0;
  transition: opacity .25s;
}

.vertical-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.vertical-card:hover::before {
  opacity: 1;
}

.vertical-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
  display: block;
}

.vertical-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.vertical-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ===== PRODUCT GRID ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all .25s;
}

.product-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
}

.product-card .badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-kdp { background: #ff9900; color: #0a0a0b; }
.badge-gumroad { background: #ff90e8; color: #0a0a0b; }

.product-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.product-card .lang {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.55;
}

.product-card .price {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ===== BLOG ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all .25s;
}
.blog-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.blog-card .date {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

.blog-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 100px;
  margin-top: 12px;
}

/* ===== ABOUT ===== */
.about-section {
  padding: 80px 0;
  background: var(--bg-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.7;
}

.about-text .stats-mini {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}

.about-text .stats-mini div h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}
.about-text .stats-mini div p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

.about-avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: flex; align-items: center; justify-content: center;
  font-size: 6rem;
  font-weight: 800;
  color: #0a0a0b;
  margin: 0 auto;
}

/* ===== CONTACT ===== */
.contact-section {
  padding: 80px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.contact-info h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.contact-info p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.contact-info .contact-link {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color .2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea { min-height: 140px; resize: vertical; }

/* ===== NEWSLETTER ===== */
.newsletter-box {
  background: linear-gradient(135deg, var(--bg-card), #f1f3f5);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  margin-top: 60px;
}

.newsletter-box h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.newsletter-box p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 18px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  margin-top: 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  max-width: 300px;
}

footer h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

footer ul { list-style: none; }
footer ul li { margin-bottom: 8px; }
footer ul li a { color: var(--text-secondary); font-size: 0.9rem; }
footer ul li a:hover { color: var(--accent); }

.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 80px 0 40px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero h1 { font-size: 2.2rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 24px; }
  .about-grid { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .newsletter-form { flex-direction: column; }
  .product-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  nav { display: none; }
  nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: var(--bg-primary); border-bottom: 1px solid var(--border); padding: 16px; }
  .hamburger { display: flex; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 1rem; }
  .btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 2rem; }
}

/* ===== LANGUAGE TOGGLE ===== */
.lang-fr { display: none; }
body[data-lang="fr"] .lang-fr { display: revert; }
body[data-lang="fr"] .lang-en { display: none; }
body:not([data-lang="fr"]) .lang-en { display: revert; }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
  margin-left: 8px;
}
.lang-toggle:hover {
  background: var(--bg-card);
  border-color: var(--accent);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in { animation: fadeUp .6s ease-out forwards; }