:root {
    --bg-color: #050505;
    --surface-color: rgba(20, 20, 25, 0.6);
    --primary-neon: #00f3ff;
    --secondary-neon: #bc13fe;
    --text-main: #e0e0e0;
    --text-muted: #8b8b99;
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Rajdhani', sans-serif;
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 243, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 85% 30%, rgba(188, 19, 254, 0.05) 0%, transparent 50%);
    background-attachment: fixed;
}

::selection { background: var(--primary-neon); color: #000; }

a { text-decoration: none; color: var(--primary-neon); transition: var(--transition); }
a:hover { color: var(--secondary-neon); text-shadow: 0 0 8px var(--secondary-neon); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: 2px;
    text-transform: uppercase;
    background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
    animation: pulseGlow 4s infinite alternate;
}

.hero p.lead {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-muted);
    max-width: 800px;
    margin-bottom: 2rem;
}

.hero .dragon-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px var(--primary-neon));
    animation: float 6s ease-in-out infinite;
}

.btn-neon {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--bg-color);
    background: var(--primary-neon);
    border: none;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: 0 0 15px var(--primary-neon), inset 0 0 10px rgba(255,255,255,0.5);
    transition: var(--transition);
    cursor: pointer;
}

.btn-neon:hover {
    background: var(--secondary-neon);
    color: #fff;
    box-shadow: 0 0 25px var(--secondary-neon), inset 0 0 10px rgba(255,255,255,0.5);
    transform: translateY(-3px);
}

.projects-section { padding: 6rem 0; }

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: #fff;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-neon);
    margin: 10px auto 0;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-neon);
}

.grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 2.5rem;
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    z-index: 1;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-neon), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 243, 255, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 243, 255, 0.1);
}

.card:hover::before { transform: translateX(100%); }

.card-header {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #fff;
}

.highlight-yellow { color: #f1c40f; text-shadow: 0 0 5px rgba(241, 196, 15, 0.5); }
.highlight-red { color: #ff3366; text-shadow: 0 0 5px rgba(255, 51, 102, 0.5); }

.card-body { flex-grow: 1; }

.card-text { margin-bottom: 1rem; font-size: 1.1rem; color: #d0d0d0; }
.card-text strong { color: #fff; font-weight: 700; }

.emoji-large { font-size: 2.5rem; margin: 1rem 0; opacity: 0.8; }

.card-footer { margin-top: 2rem; text-align: center; }

.btn-outline {
    display: inline-block;
    padding: 0.6rem 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-neon);
    border: 1px solid var(--primary-neon);
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-outline:hover {
    background: var(--primary-neon);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--primary-neon);
}

@keyframes pulseGlow {
    0% { filter: drop-shadow(0 0 2px rgba(0,243,255,0.4)); }
    100% { filter: drop-shadow(0 0 15px rgba(188,19,254,0.6)); }
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Scroll Reveal Utility Classes */
.reveal { opacity: 0; transform: translateY(50px); transition: all 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.contact-card {
    background: var(--surface-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-main);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-neon), transparent);
    transform: translateY(100%);
    transition: transform 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 243, 255, 0.2);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 243, 255, 0.1);
}

.contact-card:hover::before {
    transform: translateY(0);
}

.contact-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 8px rgba(0, 243, 255, 0.6));
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 15px var(--secondary-neon));
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.contact-card p {
    font-size: 1.1rem;
    color: var(--primary-neon);
    margin: 0;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;      /* Limita el ancho en desktop para mejorar la lectura */
    margin: 0 auto 3rem auto; /* Centra el bloque entero y da margen inferior */
    font-size: 1.2rem;
    color: var(--text-muted);
}

.lead {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 2rem auto;
    text-align: center;
}