/* VARIABLES Y RESET */
:root {
    --accent: #00f2ff;
    --bg: #050505;
    --card-bg: #111;
    --text: #ffffff;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

/* NAVEGACIÓN HORIZONTAL */
.main-menu {
    height: 80px;
    background: rgba(0, 0, 0, 0.95);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--accent);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { 
    font-weight: 900; 
    font-size: 1.5rem; 
    letter-spacing: 2px; 
    text-decoration: none; 
    color: white; 
}

.logo span { color: var(--accent); }

.nav-links { 
    display: flex; 
    list-style: none; 
}

.nav-links li a {
    color: white;
    text-decoration: none;
    margin-left: 25px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    transition: 0.3s;
}

.nav-links li a:hover, .nav-links li a.active { 
    color: var(--accent); 
}

/* HERO SECTION */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?q=80&w=2070');
    background-size: cover;
    background-position: center;
}

.tagline { color: var(--accent); font-weight: 700; letter-spacing: 5px; margin-bottom: 10px; }

.hero h1 { font-size: 4rem; font-weight: 900; margin-bottom: 30px; }

.btn {
    background: var(--accent);
    color: #000;
    padding: 15px 40px;
    text-decoration: none;
    font-weight: 900;
    border-radius: 50px;
    transition: 0.3s;
}

.btn:hover { background: #fff; transform: translateY(-3px); }

/* PROYECTOS */
.projects { padding: 100px 0; }
.container { width: 90%; max-width: 1200px; margin: auto; }
.section-title { font-size: 2.5rem; margin-bottom: 50px; border-left: 6px solid var(--accent); padding-left: 20px; }

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: 0.4s;
    border: 1px solid #222;
}

.card:hover { border-color: var(--accent); transform: scale(1.02); }
.card img { width: 100%; display: block; }
.card-content { padding: 25px; }
.card-content h3 { margin-bottom: 5px; }
.card-content p { color: var(--accent); font-weight: 700; font-size: 0.8rem; }

/* PIE DE PÁGINA */
footer {
    padding: 50px;
    text-align: center;
    border-top: 1px solid #222;
    color: #555;
}