:root { --primary-blue: #000; --dark-navy: #000; }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; overflow-x: hidden; }
        .fade-in-up { opacity: 0; transform: translateY(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
        .fade-in-up.visible { opacity: 1; transform: translateY(0); }
        .fade-in-left { opacity: 0; transform: translateX(-50px); transition: opacity 0.8s ease, transform 0.8s ease; }
        .fade-in-left.visible { opacity: 1; transform: translateX(0); }
        .fade-in-right { opacity: 0; transform: translateX(50px); transition: opacity 0.8s ease, transform 0.8s ease; }
        .fade-in-right.visible { opacity: 1; transform: translateX(0); }
        .scale-in { opacity: 0; transform: scale(0.9); transition: opacity 0.8s ease, transform 0.8s ease; }
        .scale-in.visible { opacity: 1; transform: scale(1); }
        .stagger-item { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .stagger-item.visible { opacity: 1; transform: translateY(0); }
        .navbar { padding: 1rem 0; background: white; box-shadow: 0 2px 8px rgba(0,0,0,0.05); z-index: 1000; }
        .navbar-brand { font-size: 1.8rem; font-weight: 900; color: var(--dark-navy) !important; letter-spacing: -1px; }
        .navbar-brand img { max-height: 40px; width: auto; }
        .navbar-nav .nav-link, .nav-link { color: var(--dark-navy); font-weight: 500; padding: 0.5rem 1.2rem !important; transition: color 0.3s; text-decoration: none; }
        .navbar-nav .nav-link:hover, .nav-link:hover { color: var(--primary-blue); }
        .dropdown-menu { border: none; box-shadow: 0 10px 40px rgba(0,0,0,0.1); border-radius: 12px; padding: 0.5rem; margin-top: 0.5rem; }
        .dropdown-item { padding: 0.75rem 1rem; border-radius: 8px; transition: all 0.2s; font-weight: 500; }
        .dropdown-item:hover { background: #f8f9fa; color: var(--primary-blue); transform: translateX(5px); }
        .offcanvas { width: 320px !important; }
        .offcanvas-header { padding: 1.5rem; border-bottom: 1px solid #e9ecef; }
        .offcanvas-body { padding: 0; }
        .mobile-nav { padding: 1rem 0; }
        .mobile-nav-item { border-bottom: 1px solid #f0f0f0; }
        .mobile-nav-link { display: flex; align-items: center; padding: 1rem 1.5rem; color: var(--dark-navy); text-decoration: none; font-weight: 600; font-size: 1.05rem; transition: all 0.3s; }
        .mobile-nav-link:hover { background: #f8f9fa; color: var(--primary-blue); }
        .mobile-nav-link i { transition: transform 0.3s; }
        .mobile-nav-link[aria-expanded="true"] i { transform: rotate(180deg); }
        .mobile-submenu { background: #f8f9fa; padding: 0.5rem 0; }
        .mobile-submenu-link { display: block; padding: 0.75rem 1.5rem 0.75rem 3rem; color: #4a5568; text-decoration: none; font-weight: 500; font-size: 0.95rem; transition: all 0.2s; }
        .mobile-submenu-link:hover { color: var(--primary-blue); background: white; padding-left: 3.5rem; }
        .mobile-submenu hr { margin: 0.5rem 1.5rem 0.5rem 3rem; opacity: 0.3; }
        .mobile-nav-actions { padding: 1.5rem; }
        .btn-close { --bs-btn-close-focus-shadow: none; }
        .navbar .btn.d-lg-none { border: none; background: transparent; padding: 0.5rem; transition: all 0.3s; }
        .navbar .btn.d-lg-none:hover { background: #f8f9fa; border-radius: 8px; }
        .navbar .btn.d-lg-none i { color: var(--dark-navy); }
        .feature-list { display: flex; flex-direction: column; gap: 0.5rem; }
        .feature-list-item { display: flex; align-items: flex-start; gap: 0.75rem; transition: all 0.3s; }
        .feature-list-item:hover { background: rgba(0,0,0,0.02); transform: translateX(5px); }
        .feature-list-item i { font-size: 1.3rem; flex-shrink: 0; margin-top: 0.1rem; }
        .feature-list-item span { color: #4a5568; line-height: 1.5; font-size: 0.95rem; }
        footer .social-links a:hover { background: rgba(255,255,255,0.2) !important; transform: translateY(-3px); }
        footer a:hover { color: white !important; }
        @media (max-width: 768px) { footer { padding: 3rem 0 1.5rem; } footer .row:last-child { text-align: center !important; } footer .row:last-child .col-md-6:last-child ul { justify-content: center !important; } }
        .btn-primary-custom { background: var(--primary-blue); color: white; border: none; padding: 0.75rem 1.8rem; border-radius: 50px; font-weight: 600; transition: all 0.3s; }
        .btn-primary-custom:hover { background:#00BCD4; color:#fff; transform: translateY(-1px); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2); }
        .btn-outline-custom { border: 2px solid var(--dark-navy); color: var(--dark-navy); background: transparent; padding: 0.5rem 1rem; border-radius: 8px; font-weight: 500; transition: all 0.3s; }
        .btn-outline-custom:hover { background: var(--dark-navy); color: white; }
        .hero-section { min-height: calc(100vh - 80px); display: flex; align-items: center; padding: 4rem 0; background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%); position: relative; overflow: hidden; }
        .hero-section::before, .hero-section::after { content: ''; position: absolute; left: 0; right: 0; height: 150px; z-index: 5; pointer-events: none; }
        
        .hero-section .container { position: relative; z-index: 6; }
        .hero-title { font-size: clamp(2rem, 5vw, 3.8rem); font-weight: 900; color: var(--dark-navy); line-height: 1.1; margin-bottom: 1.5rem; letter-spacing: -2px; }
        .hero-description { font-size: clamp(1rem, 2vw, 1.25rem); color: #4a5568; line-height: 1.7; margin-bottom: 2.5rem; }
        .btn-hero-primary { background: var(--primary-blue); color: white; border: none; padding: 0.8rem 1.8rem; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: all 0.3s; margin-right: 0.5rem; }
        .btn-hero-primary:hover { background:#212121; color:#fff; transform: translateY(-1px); box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2); }
        .btn-hero-secondary { background: white; color: var(--dark-navy); border: 2px solid #e2e8f0; padding: 0.8rem 1.8rem; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: all 0.3s; }
        .btn-hero-secondary:hover { border-color: var(--primary-blue); color: var(--primary-blue); }
        .carousel-container { position: relative; height: 600px; overflow: hidden; border-radius: 12px; touch-action: pan-y; user-select: none; }
        .vertical-carousel-inner { position: relative; height: 100%; display: flex; flex-direction: column; gap: 2rem; padding: 0; transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1); }
        .carousel-slide { position: relative; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.15); transition: transform 0.5s ease, opacity 0.5s ease; flex-shrink: 0; border-radius: 16px; }
        .carousel-slide img { width: 100%; display: block; border-radius: 16px; }
        .carousel-slide:hover { transform: scale(1.02); box-shadow: 0 25px 70px rgba(0,0,0,0.2); }
        .slide-label { position: absolute; bottom: 2rem; left: 2rem; background: rgba(255, 255, 255, 0.95); padding: 0.75rem 1.5rem; border-radius: 10px; font-weight: 600; color: var(--dark-navy); backdrop-filter: blur(10px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
        .scroll-indicators { position: absolute; right: 2rem; top: 50%; transform: translateY(-50%); z-index: 11; display: flex; flex-direction: column; gap: 1rem; }
        .scroll-dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(41, 82, 204, 0.3); cursor: pointer; transition: all 0.3s; border: 2px solid transparent; }
        .scroll-dot.active { background: var(--primary-blue); height: 40px; border-radius: 6px; }
        .scroll-dot:hover { background: var(--primary-blue); transform: scale(1.2); }
        .platform-section { padding: 6rem 0; background: white; position: relative; }
        .section-subtitle { color: var(--primary-blue); font-weight: 700; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1rem; }
        .section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 900; color: var(--dark-navy); line-height: 1.2; margin-bottom: 1.5rem; letter-spacing: -1px; }
        .section-description { font-size: clamp(0.95rem, 2vw, 1.1rem); color: #4a5568; line-height: 1.8; margin-bottom: 2rem; }
        .single-image-container { position: relative; border-radius: 12px; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.15); transition: all 0.4s ease; }
        .single-image-container:hover { transform: translateY(-10px); box-shadow: 0 30px 80px rgba(0,0,0,0.2); }
        .single-feature-image { width: 100%; height: auto; display: block; border-radius: 12px; }
        .feature-card { background: white; border-radius: 16px; padding: 2rem; height: 100%; transition: all 0.3s ease; border: 1px solid #e2e8f0; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
        .feature-card:hover { transform: translateY(-5px); box-shadow: 0 12px 30px rgba(0,0,0,0.12); border-color: #d1d5db; }
        .feature-card-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem; }
        .feature-icon { width: 46px; height: 46px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: var(--primary-blue); color: white; flex-shrink: 0; }
        .feature-icon .material-icons { font-size: 28px; color: white; }
        .feature-card-title { font-size: 1.15rem; font-weight: 700; color: var(--dark-navy); margin: 0; }
        .feature-card-description { font-size: 0.95rem; color: #64748b; line-height: 1.6; margin: 0; }
        .radio-types-section { padding: 8rem 0; background: #ECEFF1; position: relative; overflow: hidden; }
        .radio-types-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.8) 0%, transparent 40%), radial-gradient(circle at 80% 70%, rgba(0,0,0,0.03) 0%, transparent 50%), radial-gradient(circle at 40% 80%, rgba(255,255,255,0.6) 0%, transparent 40%), radial-gradient(circle at 70% 20%, rgba(0,0,0,0.02) 0%, transparent 45%); pointer-events: none; }
        .radio-section-header { text-align: center; margin-bottom: 4rem; position: relative; z-index: 2; }
        .radio-section-header h2 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; color: #0A1628; margin-bottom: 1rem; text-shadow: 0 2px 4px rgba(0,0,0,0.1); letter-spacing: -2px; line-height: 1.2; }
        .radio-section-header p { font-size: clamp(1.1rem, 2.5vw, 1.5rem); color: #4a5568; font-weight: 600; }
        .marquee-container { position: relative; overflow: hidden; padding: 2rem 0; cursor: grab; touch-action: pan-x; }
        .marquee-container:active { cursor: grabbing; }
        .marquee-track { display: flex; gap: 2rem; animation: scroll 40s linear infinite; width: fit-content; }
        .marquee-track:hover { animation-play-state: paused; }
        .marquee-track.dragging { animation-play-state: paused; }
        @keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
        .radio-card { min-width: 400px; height: 280px; border-radius: 12px; overflow: hidden; position: relative; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); cursor: pointer; flex-shrink: 0; }
        .radio-card:hover { transform: scale(1.08); z-index: 10; }
        .radio-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.7) 100%); z-index: 1; transition: opacity 0.4s; }
        .radio-card:hover::before { opacity: 0.5; }
        .radio-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
        .radio-card:hover img { transform: scale(1.1); }
        .radio-card-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 2rem; z-index: 2; transform: translateY(0); transition: transform 0.4s; }
        .radio-card:hover .radio-card-content { transform: translateY(-10px); }
        .radio-card-title { font-size: 1.8rem; font-weight: 800; color: white; margin: 0 0 1rem 0; text-shadow: 0 4px 12px rgba(0,0,0,0.6); letter-spacing: -0.5px; }
        .play-button { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, #000 0%, #333 100%); border: 3px solid rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.3s ease; box-shadow: 0 4px 20px rgba(0,0,0,0.4); position: relative; }
        .play-button::before { content: ''; position: absolute; inset: -3px; border-radius: 50%; background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0)); opacity: 0; transition: opacity 0.3s; }
        .play-button:hover::before { opacity: 1; }
        .play-button:hover { transform: scale(1.1); border-color: white; box-shadow: 0 6px 25px rgba(0,0,0,0.5); }
        .play-icon { width: 0; height: 0; border-style: solid; border-width: 9px 0 9px 16px; border-color: transparent transparent transparent white; margin-left: 4px; transition: all 0.3s; }
        .play-button.playing .play-icon { width: 14px; height: 18px; border: none; background: transparent; position: relative; margin-left: 0; }
        .play-button.playing .play-icon::before, .play-button.playing .play-icon::after { content: ''; position: absolute; width: 5px; height: 18px; background: white; border-radius: 1px; }
        .play-button.playing .play-icon::before { left: 0; }
        .play-button.playing .play-icon::after { right: 0; }
        .radio-cta-container { text-align: center; margin-top: 4rem; position: relative; z-index: 2; }
        .btn-create-radio { background: linear-gradient(135deg, #000 0%, #333 100%); color: white; border: none; padding: 1.2rem 3rem; border-radius: 50px; font-weight: 700; font-size: clamp(1rem, 2vw, 1.2rem); cursor: pointer; transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); box-shadow: 0 10px 30px rgba(0,0,0,0.2); text-transform: uppercase; letter-spacing: 1px; position: relative; overflow: hidden; }
        .btn-create-radio::before { content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent); transition: left 0.5s; }
        .btn-create-radio:hover::before { left: 100%; }
        .btn-create-radio:hover { transform: translateY(-5px) scale(1.05); box-shadow: 0 15px 40px rgba(0,0,0,0.3); }
        .btn-sound-control-chronicle:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(0,0,0,0.4) !important; }
        .btn-sound-control-chronicle:active { transform: scale(0.95); }
        .generate-feature-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 12px; padding: 35px 25px; text-align: center; transition: all 0.3s ease; height: 100%; backdrop-filter: blur(10px); }
        .generate-feature-card:hover { transform: translateY(-5px); background: rgba(249, 115, 22, 0.1); border-color: rgba(249, 115, 22, 0.3); box-shadow: 0 8px 20px rgba(249, 115, 22, 0.2); }
        .generate-feature-icon { width: 65px; height: 65px; background: linear-gradient(135deg, #F97316, #EA580C); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; transition: all 0.3s ease; }
        .generate-feature-card:hover .generate-feature-icon { transform: scale(1.1); box-shadow: 0 0 30px rgba(249, 115, 22, 0.5); }
        .generate-feature-icon i { font-size: 1.8rem; color: white; }
        .generate-feature-title { font-size: 1.15rem; font-weight: 600; color: white; margin-bottom: 12px; }
        .generate-feature-text { font-size: 0.95rem; color: #cbd5e1; line-height: 1.6; margin: 0; }
        .btn-generate-primary { background: #F97316; color: white; padding: 12px 28px; border-radius: 8px; font-weight: 600; border: none; transition: all 0.3s ease; }
        .btn-generate-primary:hover { background: #EA580C; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3); }
        .btn-generate-secondary { background: transparent; color: white; padding: 12px 28px; border-radius: 8px; font-weight: 600; border: 1px solid rgba(255, 255, 255, 0.2); transition: all 0.3s ease; display: inline-flex; align-items: center; gap: 8px; }
        .btn-generate-secondary:hover { background: rgba(255, 255, 255, 0.05); border-color: rgba(249, 115, 22, 0.5); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3); }
        .btn:active { transform: translateY(0); }
        .btn-sound-control:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(0,0,0,0.4) !important; }
        .btn-sound-control:active { transform: scale(0.95); }
        .music-feature-card { background: white; border-radius: 12px; padding: 30px 20px; text-align: center; transition: all 0.3s ease; height: 100%; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
        .music-feature-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(23, 162, 184, 0.15); }
        .music-feature-icon { width: 60px; height: 60px; background: linear-gradient(135deg, #4CD7FF, #138496); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; transition: all 0.3s ease; }
        .music-feature-card:hover .music-feature-icon { transform: scale(1.1); }
        .music-feature-icon i { font-size: 1.8rem; color: white; }
        .music-feature-title { font-size: 1.1rem; font-weight: 600; color: #2d3748; margin-bottom: 12px; }
        .music-feature-text { font-size: 0.95rem; color: #64748b; line-height: 1.6; margin: 0; }
        .btn-sound-control-programming:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(0,0,0,0.4) !important; }
        .btn-sound-control-programming:active { transform: scale(0.95); }
        .programming-feature-card { background: #f8f9fa; border-radius: 12px; padding: 35px 25px; text-align: center; transition: all 0.3s ease; height: 100%; box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
        .programming-feature-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(126, 95, 178, 0.15); background: white; }
        .programming-feature-icon { width: 65px; height: 65px; background: linear-gradient(135deg, #7E5FB2, #6B4C9A); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; transition: all 0.3s ease; }
        .programming-feature-card:hover .programming-feature-icon { transform: scale(1.1); }
        .programming-feature-icon i { font-size: 1.8rem; color: white; }
        .programming-feature-title { font-size: 1.15rem; font-weight: 600; color: #2d3748; margin-bottom: 12px; }
        .programming-feature-text { font-size: 0.95rem; color: #64748b; line-height: 1.6; margin: 0; }
        .btn-sound-control-broadcast:hover { transform: scale(1.1); box-shadow: 0 6px 16px rgba(0,0,0,0.4) !important; }
        .btn-sound-control-broadcast:active { transform: scale(0.95); }
        .broadcast-feature-card { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 12px; padding: 35px 25px; text-align: center; transition: all 0.3s ease; height: 100%; backdrop-filter: blur(10px); }
        .broadcast-feature-card:hover { transform: translateY(-5px); background: rgba(96, 165, 250, 0.1); border-color: rgba(96, 165, 250, 0.3); box-shadow: 0 8px 20px rgba(96, 165, 250, 0.2); }
        .broadcast-feature-icon { width: 65px; height: 65px; background: linear-gradient(135deg, #60A5FA, #3B82F6); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; transition: all 0.3s ease; }
        .broadcast-feature-card:hover .broadcast-feature-icon { transform: scale(1.1); box-shadow: 0 0 30px rgba(96, 165, 250, 0.5); }
        .broadcast-feature-icon i { font-size: 1.8rem; color: white; }
        .broadcast-feature-title { font-size: 1.15rem; font-weight: 600; color: white; margin-bottom: 12px; }
        .broadcast-feature-text { font-size: 0.95rem; color: #cbd5e1; line-height: 1.6; margin: 0; }
        .video-placeholder { width: 100%; height: 100%; background: #1a1a1a; display: flex; align-items: center; justify-content: center; border-radius: 12px; }
        .video-placeholder::after { content: '⏳'; font-size: 3rem; opacity: 0.5; }
        @media (max-width: 992px) { .navbar { padding: 0.75rem 0; } .navbar-brand img { max-height: 35px; } .offcanvas { width: 85vw !important; max-width: 400px; } .carousel-container { height: 500px; } .radio-card { min-width: 350px; height: 250px; } }
        @media (max-width: 768px) { .hero-section { padding: 2rem 0; min-height: auto; } .hero-section .col-lg-6:first-child { text-align: center; } .hero-title { margin-bottom: 1rem; } .hero-description { margin-bottom: 1.5rem; } .btn-hero-primary, .btn-hero-secondary { padding: 0.7rem 1.5rem; font-size: 0.95rem; width: 100%; margin-right: 0 !important; margin-bottom: 0.5rem; } .hero-section .d-flex.gap-3 { justify-content: center; } .platform-section { padding: 4rem 0; } .single-image-container { margin-top: 2rem; max-width: 100% !important; } .feature-card { padding: 1.5rem; margin-bottom: 1rem; } .radio-types-section { padding: 4rem 0; } .radio-section-header { margin-bottom: 2rem; } .radio-card { min-width: 300px; height: 220px; } .radio-card-content { padding: 1.5rem; } .radio-card-title { font-size: 1.4rem; } .play-button { width: 50px; height: 50px; } .play-icon { border-width: 8px 0 8px 14px; margin-left: 3px; } .btn-create-radio { padding: 1rem 2rem; width: 90%; } .d-flex.gap-3 { flex-direction: column !important; gap: 0.5rem !important; } .feature-list { gap: 0.75rem; } .feature-list-item { padding: 0.5rem; } .feature-list-item i { font-size: 1.25rem; } .feature-list-item span { font-size: 0.9rem; } }
        @media (max-width: 576px) { .navbar { padding: 0.5rem 0; } .navbar-brand img { max-height: 30px; } .btn-primary-custom { padding: 0.6rem 1.2rem; font-size: 0.9rem; } .offcanvas { width: 90vw !important; } .mobile-nav-link { font-size: 1rem; padding: 0.85rem 1.25rem; } .mobile-submenu-link { font-size: 0.9rem; padding: 0.65rem 1.25rem 0.65rem 2.5rem; } .mobile-submenu-link:hover { padding-left: 3rem; } .carousel-container { height: 350px; } .carousel-slide img { height: 300px; } .radio-card { min-width: 280px; height: 200px; } .feature-card-title { font-size: 1rem; } .feature-icon { width: 40px; height: 40px; } .feature-icon .material-icons { font-size: 24px; } }
    
/* ===========================
   BOUTONS UNIFIÉS (index style)
=========================== */
.btn-accent {
    background: linear-gradient(135deg, #3ED1E3, #5DDAEB);
    border: none;
    color: #0A1628;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(62, 209, 227, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(62, 209, 227, 0.4);
    color: #0A1628;
}

.btn-accent i {
    transition: transform 0.3s ease;
}

.btn-accent:hover i {
    transform: translateX(3px);
}

.btn-ghost {
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: transparent;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

/* Version pour fonds clairs */
.btn-ghost-dark {
    border: 1px solid rgba(0, 0, 0, 0.2);
    color: #0A1628;
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    background: transparent;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-ghost-dark:hover {
    border-color: #3ED1E3;
    color: #3ED1E3;
    background: rgba(62, 209, 227, 0.05);
}