/* ============================================
   Sync LABSS – Thème bleu → vert
   Fond NOIR #000000 / #0f0f0f, dégradé bleu-vert, glow
   ============================================ */

:root {
  --bg: #000000;
  --bg2: #000000;
  --bg3: #000000;
  --text: #ffffff;
  --text-muted: rgba(255, 255, 255, 0.85);
  --gradient-start: #00b4d8;
  --gradient-end: #06ffa5;
  --gradient: linear-gradient(135deg, #00b4d8 0%, #06ffa5 100%);
  --glow: 0 0 30px rgba(6, 255, 165, 0.35);
  --glow-strong: 0 0 40px rgba(6, 255, 165, 0.5);
  --radius: 12px;
  --radius-lg: 16px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Poppins', 'Inter', sans-serif;
  --link: #00b4d8;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: #000000 !important;
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

/* Lumière curseur : calque fixe mis à jour par cursor-light.js (background modifié en JS) */
#cursor-light {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  pointer-events: none !important;
  z-index: 1 !important;
  background: #000;
}

body {
  background: #000000 !important;
  margin: 0;
  padding: 0;
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
}

header, nav, main, section, footer, .container, #app {
  position: relative;
  z-index: 10;
}

/* Sections transparentes pour que la lumière curseur reste visible au scroll */
.section, .section-dark {
  background: transparent !important;
}
.footer {
  background: transparent !important;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(6, 255, 165, 0.2);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo-block { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 2.6rem; width: auto; object-fit: contain; }
@media (min-width: 768px) { .logo-img { height: 2.9rem; } }

.nav-menu {
  display: none;
  align-items: center;
  gap: 1.75rem;
  flex: 1;
  justify-content: center;
}
.nav-menu a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-menu a:hover { color: var(--text); }
@media (min-width: 900px) { .nav-menu { display: flex; } }

.nav-buttons {
  display: none;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}
@media (min-width: 768px) { .nav-buttons { display: flex; } }

.nav-buttons.open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%; left: 0; right: 0;
  background: #000000;
  padding: 1rem;
  gap: 0.75rem;
  border-bottom: 1px solid rgba(6, 255, 165, 0.2);
}

.btn-lang {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  margin-right: 0.25rem;
  background: transparent;
  border: 1px solid rgba(6, 255, 165, 0.3);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.btn-lang:hover {
  border-color: rgba(6, 255, 165, 0.6);
  color: var(--text);
  background: rgba(6, 255, 165, 0.05);
}
.icon-globe { flex-shrink: 0; width: 18px; height: 18px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.nav-buttons .btn-outline { margin-right: 0; }
.nav-buttons .btn-primary { margin-left: 0; }
.btn-outline {
  background: transparent;
  border: 2px solid var(--gradient-end);
  color: var(--gradient-end);
}
.btn-outline:hover {
  background: rgba(0, 180, 216, 0.15);
  box-shadow: var(--glow);
}
.btn-primary {
  background: #ffffff;
  border: 2px solid #ffffff;
  color: #000000;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.95);
  border-color: #ffffff;
  color: #000000;
  box-shadow: 0 8px 30px rgba(255, 255, 255, 0.35);
}

/* Bouton CTA : ripple + pulse */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.08);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}
.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(6, 255, 165, 0.4); }
  50% { box-shadow: 0 0 40px rgba(6, 255, 165, 0.8); }
}
.btn-cta {
  animation: pulse-glow 2s infinite;
}

/* Logo hover */
.logo-block { transition: transform 0.3s ease; }
.logo-block:hover .logo-img { transform: scale(1.05); }
.logo-img { transition: transform 0.3s ease; }

/* Icônes scale au hover */
.card-icon, .feature-icon-wrap, .contact-icon { transition: transform 0.3s ease; }
.card-problem:hover .card-icon,
.feature-box:hover .feature-icon-wrap,
.contact-col:hover .contact-icon { transform: scale(1.15); }

/* ========== ANIMATIONS AU SCROLL ========== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}
.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Titre avec gradient animé */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.title-animated {
  background: linear-gradient(90deg, #00b4d8, #06ffa5, #00d9a3, #00b4d8);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease infinite;
}

/* Cartes : hover magnétique + brillance */
.card-problem, .zone-card, .stat-box, .testimonial-card, .feature-box, .ugc-card {
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-problem:hover, .zone-card:hover, .stat-box:hover,
.testimonial-card:hover, .feature-box:hover, .ugc-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: rgba(6, 255, 165, 0.6);
  box-shadow: 0 20px 60px rgba(0, 180, 216, 0.3), 0 0 40px rgba(6, 255, 165, 0.2);
}
.card-problem::after, .zone-card::after, .stat-box::after,
.testimonial-card::after, .feature-box::after, .ugc-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(6, 255, 165, 0.15), transparent);
  transition: left 0.5s;
  pointer-events: none;
}
.card-problem:hover::after, .zone-card:hover::after, .stat-box:hover::after,
.testimonial-card:hover::after, .feature-box:hover::after, .ugc-card:hover::after {
  left: 100%;
}

/* Délai témoignages (slide avec délai) */
.testimonial-card.slide-in-left { transition-delay: 0s; }
.testimonial-card.fade-in:nth-child(2) { transition-delay: 0.1s; }
.testimonial-card.slide-in-right { transition-delay: 0.15s; }
.testimonial-card.fade-in:nth-child(4) { transition-delay: 0.2s; }
.testimonial-card.slide-in-left:nth-child(5) { transition-delay: 0.25s; }
.testimonial-card.slide-in-right:nth-child(6) { transition-delay: 0.3s; }

/* Flottement (optionnel) */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.floating-element { animation: float 3s ease-in-out infinite; }

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}
.mobile-menu-btn span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
@media (min-width: 768px) { .mobile-menu-btn { display: none; } }

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1.5rem 4rem;
  text-align: center;
}
.hero-inner { max-width: 820px; margin: 0 auto; }

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: rgba(0, 180, 216, 0.15);
  border: 1px solid rgba(6, 255, 165, 0.4);
  border-radius: 999px;
  color: var(--gradient-end);
}
.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 4.5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1rem;
  color: var(--text);
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 560px;
  margin: 0 auto 2rem;
  padding: 1.5rem;
}
.stat { text-align: center; }
.stat-value {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 2.8vw, 2rem);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.2rem;
}
.stat-label { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.1em; color: var(--text-muted); }

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: center;
}
.btn-lg { padding: 0.85rem 1.6rem; font-size: 1rem; }
.btn-lg .arrow { margin-left: 0.2rem; }
.btn-lg .play { margin-right: 0.3rem; }

/* ========== SECTIONS ========== */
.section {
  padding: 4rem 0;
  background: var(--bg2);
}
.section-dark {
  background: #000000;
  border-top: 1px solid rgba(6, 255, 165, 0.08);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.section-subtitle {
  text-align: center;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 2.5rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Cartes 3 colonnes - Coût caché */
.cards-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card-problem {
  padding: 2rem 1.5rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.2);
  border-radius: var(--radius-lg);
}
.card-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--text);
}
.card-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; }

/* Machine à revenus - Grid 2x2 */
.grid-2x2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.zone-card {
  padding: 2rem 1.5rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.18);
  border-radius: var(--radius-lg);
}
.zone-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gradient-end);
  margin-bottom: 0.75rem;
}
.zone-title { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--text); }
.zone-slogan { font-size: 0.95rem; color: var(--gradient-end); margin-bottom: 0.8rem; font-weight: 500; }
.zone-text { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1rem; }
.zone-list { list-style: none; font-size: 0.85rem; color: var(--text-muted); line-height: 1.8; }

/* Stats 6 - Transform Operations */
.stats-grid-6 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
}
.stat-box {
  text-align: center;
  padding: 1.75rem 1rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.2);
  border-radius: var(--radius);
}
.stat-big {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.4rem;
}
.stat-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }

/* Video placeholder + 3 features */
.video-placeholder {
  max-width: 640px;
  margin: 0 auto 2.5rem;
  aspect-ratio: 16/9;
  background: rgba(26, 26, 26, 0.5);
  border: 2px dashed rgba(6, 255, 165, 0.4);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--text-muted);
}
.video-placeholder .video-play { font-size: 3rem; color: var(--gradient-end); cursor: pointer; }
.features-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}
.feature-box {
  text-align: center;
  padding: 1.5rem 1rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.15);
  border-radius: var(--radius);
}
.feature-icon-wrap { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-title { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; margin-bottom: 0.3rem; color: var(--text); }
.feature-desc { font-size: 0.9rem; color: var(--text-muted); }

/* Témoignages */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.testimonial-card {
  padding: 1.75rem 1.5rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.18);
  border-radius: var(--radius-lg);
}
.testimonial-text { font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 0.75rem; font-style: italic; }
.testimonial-results { font-size: 0.85rem; color: var(--gradient-end); margin-bottom: 0.5rem; }
.testimonial-stars {
  font-size: 1.1rem;
  letter-spacing: 0.15em;
  margin-bottom: 0.6rem;
  color: #fbbf24;
  text-shadow: 0 0 8px rgba(251, 191, 36, 0.4);
}
.testimonial-author { font-size: 0.9rem; color: var(--text); }
.testimonials-note { text-align: center; margin-top: 1.5rem; font-size: 0.9rem; color: var(--text-muted); }

/* UGC Videos */
.ugc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.ugc-card {
  padding: 0;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.18);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.ugc-placeholder {
  height: 160px;
  background: rgba(0, 180, 216, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.ugc-card h4 { padding: 1rem 1rem 0; font-size: 1.05rem; color: var(--text); }
.ugc-card p { padding: 0.3rem 1rem; font-size: 0.9rem; color: var(--text-muted); }
.link-video {
  display: inline-block;
  padding: 0.75rem 1rem;
  margin: 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gradient-end);
  text-decoration: none;
  border: 1px solid var(--gradient-end);
  border-radius: var(--radius);
  transition: all 0.2s;
}
.link-video:hover { background: rgba(0, 180, 216, 0.15); box-shadow: var(--glow); }
.ugc-note { text-align: center; margin-top: 1rem; font-size: 0.85rem; color: var(--text-muted); }

/* Contact */
.contact-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}
.contact-col {
  text-align: center;
  padding: 2rem 1.5rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.2);
  border-radius: var(--radius-lg);
}
.contact-icon { font-size: 2.5rem; margin-bottom: 0.75rem; }
.contact-col h3 { font-size: 1.15rem; margin-bottom: 0.4rem; color: var(--text); }
.contact-col p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0.5rem; }
.contact-col a { color: var(--link); text-decoration: none; font-weight: 600; }
.contact-col a:hover { text-decoration: underline; }

/* ROI Calculator */
.roi-calculator {
  max-width: 560px;
  margin: 0 auto;
  padding: 2rem;
  background: rgba(26, 26, 26, 0.5);
  border: 1px solid rgba(6, 255, 165, 0.25);
  border-radius: var(--radius-lg);
}
.roi-sliders label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.roi-sliders strong { color: var(--gradient-end); }
.roi-sliders input[type="range"] {
  width: 100%;
  margin-bottom: 1.25rem;
  accent-color: var(--gradient-end);
}
.roi-result {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(6, 255, 165, 0.3);
  text-align: center;
}
.roi-gain {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.roi-compare {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.roi-compare strong { color: var(--text); }

/* FAQ Accordion */
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid rgba(6, 255, 165, 0.2);
}
.faq-q {
  width: 100%;
  padding: 1.1rem 0;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--gradient-end); }
.faq-item.open .faq-q::after { content: '−'; }
.faq-item.open .faq-a { max-height: 400px; }
.faq-q:hover { color: var(--gradient-end); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-a p { padding: 0 0 1.1rem; font-size: 0.95rem; color: var(--text-muted); line-height: 1.65; }

/* Footer */
.footer {
  padding: 3rem 1.5rem 2rem;
  background: var(--bg);
  border-top: 1px solid rgba(6, 255, 165, 0.15);
}
.footer-inner { max-width: 1100px; margin: 0 auto; }
.footer-top {
  text-align: center;
  margin-bottom: 2rem;
}
.footer-logo { height: 2.2rem; width: auto; opacity: 0.95; }
.footer-tagline { font-size: 0.75rem; letter-spacing: 0.12em; color: var(--text-muted); margin-top: 0.3rem; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}
.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.4rem; }
.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-col a:hover { color: var(--link); }
.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-social a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.footer-social a:hover { color: var(--gradient-end); }
.footer-copy {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

body.menu-open { overflow: hidden; }

@media (max-width: 899px) {
  .header-inner { padding: 0.9rem 1.5rem; gap: 1rem; }
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #000000;
    padding: 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(6, 255, 165, 0.2);
  }
  .nav-menu.open { display: flex; }
}

@media (max-width: 768px) {
  .nav-buttons {
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
  }
  .nav-buttons .btn-lang,
  .nav-buttons .btn {
    width: 100%;
    justify-content: center;
    margin: 0;
  }
  .nav-buttons .btn-lang { margin-right: 0; }
}