:root {
    --neon-blue: #00f3ff;
    --cyan: #00e1ff;
    --bright-white: #ffffff;
    --deep-dark: #050b14;
    --glass-bg: rgba(5, 11, 20, 0.4);
    --glass-border: rgba(0, 243, 255, 0.2);
    --card-hover: rgba(0, 243, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--deep-dark);
    color: var(--bright-white);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Image and Overlay */
.bg-image {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -2;
    transform: scale(1.05); /* Slight zoom for potential animations */
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(135deg, rgba(5, 11, 20, 0.85) 0%, rgba(5, 11, 20, 0.65) 100%);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    z-index: -1;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, rgba(5, 11, 20, 0.9) 0%, rgba(5, 11, 20, 0) 100%);
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 2px;
}

.logo span {
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 101;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--bright-white);
    margin: 4px 0;
    transition: 0.4s;
    border-radius: 2px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--bright-white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 0 10px var(--neon-blue);
    transition: width 0.3s ease;
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 80%;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--neon-blue);
    text-shadow: 0 0 5px rgba(0, 243, 255, 0.5);
}

/* Main Container */
.container {
    padding-top: 100px; /* Account for navbar */
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-bottom: 2rem;
}

/* Sections */
.section {
    display: none;
    width: 100%;
    padding: 2rem 5%;
    animation: fadeIn 0.5s ease forwards;
}

.section.active-section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 3rem;
    color: var(--neon-blue);
    text-shadow: 0 0 10px var(--neon-blue);
    text-align: center;
    width: 100%;
}

/* Hero Content */
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    max-width: 1200px;
    margin-top: 2rem;
}

/* Profile Photo */
.profile-container {
    position: relative;
    width: 180px;
    height: 180px;
    margin-bottom: 1.5rem;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--glass-border);
    position: relative;
    z-index: 2;
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.2);
}

.glow-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--neon-blue);
    border-bottom-color: var(--cyan);
    animation: spin 8s linear infinite;
    z-index: 1;
    filter: drop-shadow(0 0 15px var(--neon-blue));
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Typography */
h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
}

/* Glitch Effect */
.glitch {
    position: relative;
    color: var(--bright-white);
}
.glitch::before, .glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}
.glitch::before {
    left: 2px;
    text-shadow: -2px 0 red;
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}
.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-blue);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(10px, 9999px, 83px, 0); }
  20% { clip: rect(61px, 9999px, 14px, 0); }
  40% { clip: rect(3px, 9999px, 40px, 0); }
  60% { clip: rect(76px, 9999px, 58px, 0); }
  80% { clip: rect(25px, 9999px, 94px, 0); }
  100% { clip: rect(50px, 9999px, 10px, 0); }
}
@keyframes glitch-anim2 {
  0% { clip: rect(65px, 9999px, 100px, 0); }
  20% { clip: rect(3px, 9999px, 15px, 0); }
  40% { clip: rect(89px, 9999px, 55px, 0); }
  60% { clip: rect(11px, 9999px, 33px, 0); }
  80% { clip: rect(44px, 9999px, 77px, 0); }
  100% { clip: rect(22px, 9999px, 88px, 0); }
}

.subtitle {
    font-size: 1.2rem;
    color: var(--cyan);
    margin-bottom: 4rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    text-shadow: 0 0 10px rgba(0, 225, 255, 0.4);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    width: 100%;
}

.service-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: skewX(-20deg);
    transition: 0.5s;
}

.service-card:hover::before {
    left: 150%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--neon-blue);
    box-shadow: 0 15px 40px rgba(0, 243, 255, 0.15);
    background: var(--card-hover);
}

.icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 8px var(--neon-blue));
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--bright-white);
    letter-spacing: 1px;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.6;
    color: #b0c4de;
    font-weight: 300;
}

/* Extra Info Area */
.extra-info {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s ease-out;
    margin-top: 0;
}

.service-card.expanded .extra-info {
    max-height: 300px;
    opacity: 1;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.service-card.expanded .extra-info p {
    font-size: 0.95rem;
    color: var(--bright-white);
    line-height: 1.5;
}

/* Buttons */
.btn-outline {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cyan);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--cyan);
    border-radius: 4px;
    background: transparent;
    transition: all 0.3s ease;
    position: relative;
    z-index: 3; /* to be clickable over before pseudo-element */
}

.btn-outline:hover {
    background: var(--cyan);
    color: var(--deep-dark);
    box-shadow: 0 0 15px rgba(0, 225, 255, 0.4);
}

/* Contact Card */
.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 4rem;
    width: 100%;
    max-width: 600px;
    text-align: center;
}

.contact-card p {
    font-size: 1.2rem;
    color: #b0c4de;
    line-height: 1.6;
}

.contact-card .btn-outline {
    font-size: 1.1rem;
    padding: 0.8rem 2rem;
    margin-top: 0.5rem;
    text-transform: none; /* Mantener mayúsculas y minúsculas del email */
}
/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    /* Navbar for mobile */
    .navbar {
        justify-content: space-between;
        padding: 1rem 5%;
    }

    .menu-toggle {
        display: flex;
        margin-left: auto;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 100%;
        background: rgba(5, 11, 20, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        z-index: 100;
    }

    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .nav-links a {
        font-size: 1.5rem;
    }

    /* Menu Toggle Animation */
    .menu-toggle.is-active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.is-active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .menu-toggle.is-active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Typography and padding adjustments */
    h1 {
        font-size: 3rem;
    }

    .subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .profile-container {
        width: 140px;
        height: 140px;
    }

    .contact-card {
        padding: 2rem;
    }
}