/* variables and global styles */
:root {
    /* Colors */
    --color-primary: #10B981; /* Purple neon */
    --color-secondary: #8B5CF6; /* Emerald green */
    --color-accent: #F59E0B; /* Gold */
    --color-bg-dark: #0F0F0F;
    --color-bg-card: #1A1A2E;
    --color-text: #FFFFFF;
    --color-text-muted: #A0A0B0;
    --color-error: #EF4444;
    --color-success: #10B981;

    /* Fonts */
    --font-heading: 'Orbitron', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}
::-moz-selection {
    background: var(--color-primary);
    color: var(--color-text);
}
::selection {
    background: var(--color-primary);
    color: var(--color-text);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}
a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}
.alt-bg {
    background-color: #151515;
}

.text-glow {
    text-shadow: 0 0 10px var(--color-primary), 0 0 20px var(--color-primary);
}

.neon-border {
    border: 2px solid var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary), inset 0 0 10px var(--color-primary);
}

.glass-card {
    background: rgba(26, 26, 46, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 12px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    outline: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.5);
}
.btn-primary:hover {
    background-color: #059669;
    color: var(--color-text);
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.8);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-secondary);
}
.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-text);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-bg-dark);
}
.btn-accent:hover {
    background-color: #d97706;
    color: var(--color-bg-dark);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
    transform: translateY(-2px);
}

.center-btn {
    text-align: center;
    margin-top: 40px;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    background: transparent;
}
.navbar.scrolled {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}
.nav-link {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}
.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}
.nav-link.active {
    color: var(--color-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}
.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    transition: all var(--transition-normal);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}
input[type="text"], input[type="email"], textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-body);
    transition: all var(--transition-normal);
}
input[type="text"]:focus, input[type="email"]:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

/* Footer */
.footer {
    background-color: #080808;
    padding: 60px 0 20px;
    border-top: 1px solid rgba(16, 185, 129, 0.2);
}
.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 40px;
}
.footer-brand p {
    color: var(--color-text-muted);
    margin-top: 10px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-social {
    display: flex;
    gap: 15px;
}
.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-bg-card);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-text);
    font-family: var(--font-heading);
    font-weight: bold;
    font-size: 0.8rem;
}
.footer-social a:hover {
    background-color: var(--color-primary);
    box-shadow: 0 0 10px var(--color-primary);
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    position: relative;
}
.admin-link {
    position: absolute;
    right: 20px;
    bottom: 0;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.2);
}
.admin-link:hover {
    color: var(--color-primary);
}

/* Fondo global de particulas */
#particles-canvas {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    opacity: 0.6;
}

#particles-canvas {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999; /* Por encima de todo */
    pointer-events: none; /* No bloquea los clics */
    opacity: 0.4; /* Sutil para no distraer */
}

#particles-canvas {
    top: 0;
    left: 0;
    z-index: 1; /* Detrás del texto pero delante del fondo negro */
    pointer-events: none; 
    opacity: 0.6; 
}