:root {
    --bg-color: #0B1120;
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --accent-cyan: #00F0FF;
    --accent-magenta: #FF0055;
    --btn-primary: #0EA5E9;
    --btn-hover: #38BDF8;
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(0, 240, 255, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(255, 0, 85, 0.05), transparent 25%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 4rem;
    background: rgba(11, 17, 32, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    margin-left: 2rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.university-logo {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

/* Main Container */
.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    position: relative;
    z-index: 1;
}

.hero-title {
    text-align: center;
    margin-bottom: 3rem;
}

.hero-title h1 {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 0.5rem;
    background: linear-gradient(90deg, #FFF, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    letter-spacing: 1px;
}

/* Glassmorphism Panel */
.login-panel {
    display: flex;
    gap: 2rem;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    max-width: 1000px;
    width: 100%;
}

.divider {
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.2), transparent);
}

.login-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.login-section h2 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-section p.subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 2rem;
    line-height: 1.4;
}

/* Form Elements */
.input-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.input-group input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #FFF;
    padding: 1rem 1rem 1rem 2.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.input-group i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.btn-login {
    background: var(--accent-cyan);
    color: #000;
    border: none;
    padding: 1rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-login:hover {
    background: #FFF;
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.btn-student {
    background: transparent;
    color: var(--accent-cyan);
    border: 1px solid var(--accent-cyan);
    padding: 1rem;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-student:hover {
    background: rgba(0, 240, 255, 0.1);
}

/* Links & Utilities */
.forgot-pass {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.forgot-pass a {
    color: var(--text-secondary);
    text-decoration: none;
}

.forgot-pass a:hover {
    color: var(--accent-cyan);
}

/* Documentación Section */
.docs-section {
    margin-top: 4rem;
    width: 100%;
    max-width: 1000px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.doc-card {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.doc-card:hover {
    background: rgba(30, 41, 59, 0.8);
    border-color: var(--accent-cyan);
    transform: translateY(-5px);
}

.doc-card i {
    font-size: 2rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.doc-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

.doc-card p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
}

/* Decoraciones de Fondo */
.bg-mesh {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
}

/* Galería y Features */
.features-section {
    width: 100%;
    max-width: 1200px;
    margin: 5rem auto 3rem auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border-color: rgba(0, 240, 255, 0.3);
}

.feature-img-wrapper {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
    background: #000;
}

.feature-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
    transition: opacity 0.3s, transform 0.5s;
}

.feature-card:hover .feature-img-wrapper img {
    opacity: 1;
    transform: scale(1.05);
}

.feature-content {
    padding: 1.5rem;
}

.feature-content h3 {
    font-size: 1.2rem;
    color: var(--accent-cyan);
    margin-bottom: 0.5rem;
}

.feature-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}