body {
    background-color: #050505; 
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    background-attachment: fixed;
    margin: 0;
    color: white; 
}


.navbar {
    display: flex; justify-content: space-between; align-items: center;
    width: 100%; max-width: 1200px; padding: 20px;
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    z-index: 10; box-sizing: border-box;
}

.nav-logo { font-size: 1.5rem; font-weight: 900; color: white; text-decoration: none; letter-spacing: -0.5px; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { color: #888; text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: white; }

.nav-actions { display: flex; align-items: center; gap: 15px; }

.nav-login-btn {
    text-decoration: none; color: #ccc; font-size: 0.9rem; font-weight: 600;
    padding: 8px 16px; border-radius: 8px; transition: all 0.3s ease;
    display: flex; align-items: center; gap: 8px; border: 1px solid transparent;
}
.nav-login-btn:hover { color: white; background-color: rgba(255, 255, 255, 0.05); border-color: rgba(255, 255, 255, 0.1); }
.user-icon-svg { width: 18px; height: 18px; fill: currentColor; }

.nav-discord-btn {
    background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
    color: white; padding: 10px 20px; border-radius: 8px; text-decoration: none;
    font-weight: 600; font-size: 0.9rem; transition: all 0.3s;
    display: flex; align-items: center; gap: 8px;
}
.nav-discord-btn:hover { background: rgba(255, 255, 255, 0.1); border-color: white; }

/* 3. HERO */
.hero-section {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; align-items: center; text-align: center;
    padding: 20px; position: relative;
}
.hero-logo-container { margin-bottom: 30px; }
.hero-logo-img {
    width: 120px; height: 120px;
    filter: drop-shadow(0 0 40px rgba(0, 124, 240, 0.6));
    animation: float 6s ease-in-out infinite;
}
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-15px); } 100% { transform: translateY(0px); } }

.hero-title { font-size: 5rem; font-weight: 900; color: white; margin: 0; line-height: 1.1; letter-spacing: -2px; }
.text-gradient { color: #6a9cfd; }
.hero-subtitle { font-size: 1.2rem; color: #888; max-width: 600px; margin: 20px 0 40px 0; line-height: 1.6; }

.hero-buttons { display: flex; gap: 20px; }
.btn-primary {
    background-color: white; color: black; padding: 15px 35px;
    border-radius: 8px; font-weight: 700; text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 0 20px rgba(255, 255, 255, 0.3); }

.btn-secondary {
    background-color: transparent; border: 1px solid rgba(255, 255, 255, 0.2);
    color: white; padding: 15px 35px; border-radius: 8px; font-weight: 600;
    text-decoration: none; display: flex; align-items: center; gap: 10px;
    transition: all 0.3s;
}
.btn-secondary:hover { border-color: white; background-color: rgba(255, 255, 255, 0.05); }

.scroll-indicator {
    position: absolute; bottom: 40px; display: flex; flex-direction: column;
    align-items: center; color: #666; font-size: 0.9rem; gap: 10px; opacity: 0.7;
}
.mouse-icon {
    width: 26px; height: 40px; border: 2px solid #666;
    border-radius: 20px; position: relative;
}
.wheel {
    width: 4px; height: 6px; background-color: #666; border-radius: 2px;
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}
@keyframes scrollWheel { 0% { top: 8px; opacity: 1; } 100% { top: 20px; opacity: 0; } }

/* 4. GRID TARJETAS */
.tool-grid-container {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px; width: 100%; max-width: 1200px;
    margin: 50px auto 100px auto; padding: 0 20px; box-sizing: border-box;
}

.tool-card {
    background-color: #0a0a0a; border: 1px solid #222; border-radius: 16px;
    padding: 30px; text-decoration: none !important; display: block;
    color: white !important; transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    position: relative; overflow: hidden; opacity: 0;
    transform: translateY(20px); animation: popIn 0.5s ease-out forwards;
}

/* Animación fluida para los items */
.tool-card:nth-child(n) { animation-delay: calc(0.05s * var(--i, 1)); }

@keyframes popIn { to { opacity: 1; transform: translateY(0); } }

.tool-card:hover {
    transform: translateY(-8px); border-color: #333;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8); background-color: #0f0f0f;
}

/* 5. ICONOS */
.icon-box {
    width: 50px; height: 50px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px; box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    transition: transform 0.3s ease;
}
.emoji-icon {
    width: 32px; height: 32px; object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2)); transition: transform 0.3s ease;
}
.tool-card:hover .emoji-icon { transform: scale(1.2) rotate(-10deg); }
.tool-card:hover .icon-box { transform: scale(1.05); }

/* DEGRADADOS (TODOS) */
.gradient-blue { background: linear-gradient(135deg, #007CF0, #00DFD8); }
.gradient-purple { background: linear-gradient(135deg, #7928CA, #FF0080); }
.gradient-pink { background: linear-gradient(135deg, #FF4D4D, #F9CB28); }
.gradient-green { background: linear-gradient(135deg, #28a745, #85e085); }
.gradient-cyan { background: linear-gradient(135deg, #00FFFF, #008080); }
.gradient-orange { background: linear-gradient(135deg, #FF8C00, #FFA500); }
.gradient-red { background: linear-gradient(135deg, #FF416C, #FF4B2B); }
.gradient-gold { background: linear-gradient(135deg, #FFD700, #FFA500); }
.gradient-indigo { background: linear-gradient(135deg, #6610f2, #6f42c1); }
.gradient-teal { background: linear-gradient(135deg, #20c997, #087f5b); }
.gradient-lime { background: linear-gradient(135deg, #82c91e, #5c940d); }
.gradient-gray { background: #222; }
.gradient-slate { background: linear-gradient(135deg, #64748b, #475569); }
.gradient-sunset { background: linear-gradient(135deg, #ff512f, #dd2476); }
.gradient-crimson { background: linear-gradient(135deg, #dc143c, #8b0000); }
.gradient-emerald { background: linear-gradient(135deg, #10b981, #059669); }
.gradient-yellow { background: linear-gradient(135deg, #f59f00, #fcc419); }
.gradient-neon { background: linear-gradient(135deg, #00f260, #0575e6); }
.gradient-discord { background: linear-gradient(135deg, #5865F2, #4752C4); }
.gradient-lightning { background: linear-gradient(135deg, #FDC830, #F37335); }
.gradient-ghost { background: linear-gradient(135deg, #8E2DE2, #4A00E0); }
.gradient-happy { background: linear-gradient(135deg, #ff9966, #ff5e62); }
.gradient-doc { background: linear-gradient(135deg, #3a7bd5, #3a6073); }

/* Matrix Special */
.gradient-matrix { 
    background: #000; border: 1px solid #0f0; 
    box-shadow: 0 0 10px rgba(0, 255, 0, 0.2); overflow: hidden; position: relative;
}
.gradient-matrix::after {
    content: "10"; position: absolute; bottom: 2px; right: 2px;
    font-size: 10px; color: rgba(0,255,0,0.3); font-family: monospace;
}


.gradient-rgb { 
    background: linear-gradient(45deg, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff);
    background-size: 400% 400%; animation: gradientAnim 5s ease infinite;
}
@keyframes gradientAnim { 0% {background-position:0% 50%} 50% {background-position:100% 50%} 100% {background-position:0% 50%} }


.gradient-terminal { background: linear-gradient(135deg, #000, #0f0); border: 1px solid #0f0; }


.gradient-clock { background: linear-gradient(135deg, #43cea2, #185a9d); }

/* Gradiente para Speed Test */
.gradient-turbo { background: linear-gradient(135deg, #ff3e00, #ff8c00); box-shadow: 0 5px 15px rgba(255, 62, 0, 0.3); }

.tool-card__title { font-size: 1.4rem; font-weight: 700; margin: 0 0 10px 0; color: white !important; }
.tool-card__description { font-size: 0.95rem; color: #888 !important; line-height: 1.6; margin: 0; }
.tool-card:hover .tool-card__title { color: #6a9cfd !important; }

@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
    .nav-links { display: none; } 
    .tool-grid-container { padding: 0 15px; }
}