/* VARIABLES DE COLORES (Temas) */
:root {
    --primary-color: #00ff9d; /* Verde neón principal */
    --primary-color-rgb: 0, 255, 157;
    --accent-color: #ff00c1; /* Magenta para acentos glitch */
    
    --bg-color: #121212; /* Un negro más estándar para fondos */
    --bg-secondary: #1e1e1e; /* Un gris muy oscuro para elementos secundarios */
    --card-bg: #2a2a2a; /* Gris oscuro para tarjetas */
    --border-color: #444444;
    --text-color: #e0e0e0;
    --text-color-secondary: #aaaaaa;
    --headings-color: #ffffff;
    --nav-bg: rgba(18, 18, 18, 0.85);

    --font-main: 'Poppins', sans-serif;
    --font-code: 'Fira Code', monospace;
}

[data-theme="light"] {
    --bg-color: #f4f4f4;
    --bg-secondary: #ffffff;
    --card-bg: #ffffff;
    --border-color: #dddddd;
    --text-color: #333333;
    --text-color-secondary: #777777;
    --headings-color: #111111;
    --nav-bg: rgba(255, 255, 255, 0.85);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    transition: background 0.3s, color 0.3s;
    overflow-x: hidden;
}

/* HEADER & NAV */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(10px); /* Efecto vidrio */
    z-index: 1000;
    padding: 1rem 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo { display: flex; align-items: center; gap: 10px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--accent-color); }
.dev-name { font-family: var(--font-code); font-weight: bold; color: var(--primary-color); }

.nav-links { display: flex; list-style: none; gap: 2rem; }
.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

/* Efecto Hover en enlaces */
.nav-links a::after {
    content: '';
    width: 0; height: 2px; background: var(--primary-color);
    position: absolute; bottom: -5px; left: 0;
    transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a:focus::after { width: 100%; }
.nav-links a.active {
    color: var(--accent-color);
    font-weight: bold;
}
.nav-links a.active::after { width: 100%; }

.controls { display: flex; gap: 1rem; align-items: center; }
.btn-icon {
    background: none; border: 1px solid var(--text-color);
    color: var(--text-color); padding: 5px 10px;
    border-radius: 5px; cursor: pointer;
    transition: transform 0.2s;
}
.btn-icon:hover { transform: scale(1.1); border-color: var(--primary-color); color: var(--primary-color); }

.hamburger {
    display: none; /* Oculto por defecto */
    font-size: 1.5rem;
    cursor: pointer;
}

/* HERO SECTION */
#hero {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px; /* Espacio para el header */
    position: relative;
    background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 30px 30px; /* Patrón geométrico sutil */
}

.hero-content h1 { font-size: 4rem; margin-bottom: 10px; }
.hero-content h2 {
    font-family: var(--font-code);
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
}

/* Botones */
.btn {
    padding: 10px 25px; text-decoration: none; border-radius: 30px;
    font-weight: bold; margin: 10px; display: inline-block;
    transition: all 0.3s;
}
.primary { background: var(--primary-color); color: #000; }
.primary:hover { box-shadow: 0 0 15px var(--primary-color); }
.secondary { border: 2px solid var(--primary-color); color: var(--primary-color); }
.secondary:hover { background: var(--primary-color); color: #000; }

/* FOOTER */
footer {
    padding: 2rem; text-align: center; background: var(--secondary-bg);
    margin-top: 50px;
}
.social-icons { font-size: 1.5rem; margin-bottom: 1rem; }
.social-icons a { color: var(--text-color); margin: 0 10px; transition: 0.3s; }
.social-icons a:hover { color: var(--primary-color); }

/* ANIMACIONES */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.hero-content { animation: fadeIn 1.5s ease-out; }

/* Estilos de Hero para páginas de detalle (modo oscuro por defecto) */
.project-hero {
    background: linear-gradient(rgba(18, 18, 18, 0.8), rgba(18, 18, 18, 1)), url('https://placehold.co/1200x500/1a1a1a/00ff9d?text=UI/UX+Design') no-repeat center center/cover;
}

/* Estilos de Hero para páginas de detalle (modo claro) */
[data-theme="light"] .project-hero {
    background: linear-gradient(rgba(244, 244, 244, 0.8), rgba(244, 244, 244, 1)), url('https://placehold.co/1200x500/e0e0e0/333?text=UI/UX+Design') no-repeat center center/cover;
}

/* Responsive para el Header */
@media (max-width: 768px) {
    .nav-links, .controls {
        display: none; /* Ocultar para menú hamburguesa */
    }
    .hamburger {
        display: block; /* Mostrar hamburguesa */
    }
}

/* HERO TERMINAL ANIMATION */
.hero-terminal {
    position: relative; /* Cambiado de absolute */
    width: 550px; /* Ancho ajustado */
    max-width: 95%;
    margin: 2.5rem auto 0; /* Margen para separarlo del texto superior */
    background-color: rgba(20, 20, 20, 0.9);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    font-family: var(--font-code);
    font-size: 0.85rem;
    overflow: hidden;
}

.terminal-header {
    background-color: #333;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    position: relative;
}

.terminal-buttons { display: flex; gap: 6px; }
.dot { height: 12px; width: 12px; border-radius: 50%; }
.red { background-color: #ff5f56; }
.yellow { background-color: #ffbd2e; }
.green { background-color: #27c93f; }

.terminal-title {
    color: #ccc;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.terminal-body {
    padding: 15px;
    color: #ddd;
    line-height: 1.6;
    text-align: left; /* Alinear texto a la izquierda */
}

.terminal-body p {
    margin: 0;
}

.cursor {
    display: inline-block;
    background-color: var(--primary-color);
    width: 10px;
    height: 1.2em;
    vertical-align: middle;
    animation: blink 1s infinite;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}