:root {
    --color-primary: #38bdf8;
    --color-primary-dark: #0091bc;
    --color-secondary: #0f172a;
    --color-dark: #000;
    --color-light: #fff;
    --color-gray: #94a3b8;
    --color-accent: #f43f5e;

    --breakpoint-mobile: 600px;
    --breakpoint-tablet: 992px;
    --breakpoint-desktop: 1200px;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    --font-size-sm: 0.9rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-xxxl: 2.5rem;

    --glow-primary: 0 0 8px var(--color-primary), 0 0 16px var(--color-primary);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    padding-top: 80px;
    /* Espacio para el navbar fijo */
}

/* Efecto de partículas de fondo */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.5;
    animation: float 15s infinite linear;
}

.particle:nth-child(1) {
    width: 6px;
    height: 6px;
    top: 20%;
    left: 10%;
    animation-duration: 20s;
}

.particle:nth-child(2) {
    width: 10px;
    height: 10px;
    top: 60%;
    left: 70%;
    animation-duration: 25s;
    animation-delay: 2s;
}

.particle:nth-child(3) {
    width: 8px;
    height: 8px;
    top: 70%;
    left: 20%;
    animation-duration: 15s;
    animation-delay: 1s;
}

.particle:nth-child(4) {
    width: 12px;
    height: 12px;
    top: 40%;
    left: 80%;
    animation-duration: 30s;
    animation-delay: 3s;
}

@keyframes float {
    0% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(20px, 40px) rotate(90deg);
    }

    50% {
        transform: translate(40px, 20px) rotate(180deg);
    }

    75% {
        transform: translate(20px, -20px) rotate(270deg);
    }

    100% {
        transform: translate(0, 0) rotate(360deg);
    }
}

/* Container de proyectos */
.proyectos-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    position: relative;
    z-index: 2;
}

.proyectos-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.proyectos-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-light);
    text-shadow: var(--glow-primary);
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.proyectos-header h1::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--color-primary);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
    box-shadow: var(--glow-primary);
}

.proyectos-header p {
    color: var(--color-gray);
    max-width: 800px;
    margin: 0 auto;
    font-size: var(--font-size-lg);
}

/* Acordeón de proyectos */
.proyectos-acordeon {
    margin-bottom: var(--spacing-xl);
}

.proyecto-item {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(56, 189, 248, 0.2);
    overflow: hidden;
    backdrop-filter: blur(5px);
    transition: var(--transition);
}

.proyecto-item:hover {
    box-shadow: var(--glow-primary);
}

.proyecto-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(15, 23, 42, 0.8);
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-light);
}

.proyecto-header:hover {
    background: rgba(56, 189, 248, 0.1);
}

.proyecto-header.active {
    background: rgba(56, 189, 248, 0.2);
}

.proyecto-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    display: flex;
    align-items: center;
}

.proyecto-title i {
    margin-right: var(--spacing-md);
    color: var(--color-primary);
    font-size: var(--font-size-xl);
}

.proyecto-toggle {
    font-size: var(--font-size-xl);
    transition: var(--transition);
}

.proyecto-header.active .proyecto-toggle {
    transform: rotate(45deg);
}

.proyecto-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.proyecto-content.open {
    max-height: 1000px;
}

.proyecto-iframe-container {
    position: relative;
    width: 100%;
    height: 500px;
    overflow: hidden;
}

.proyecto-iframe {
    width: 100%;
    height: 100%;
    border: none;
    transition: transform 0.5s ease;
}

.proyecto-info {
    padding: var(--spacing-lg);
    background: rgba(15, 23, 42, 0.4);
}

.proyecto-type {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
}

.proyecto-type i {
    margin-right: var(--spacing-sm);
}

.proyecto-description {
    color: var(--color-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.proyecto-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 20px;
    font-weight: 600;
    transition: var(--transition);
}

.proyecto-link:hover {
    background: transparent;
    color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

/* Sección de garantía */
.garantia-section {
    background: rgba(15, 23, 42, 0.6);
    border-radius: 16px;
    padding: var(--spacing-xl);
    border: 1px solid rgba(56, 189, 248, 0.2);
    margin-bottom: var(--spacing-xl);
    backdrop-filter: blur(5px);
}

.garantia-title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
    text-align: center;
}

.garantia-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

@media (max-width: 768px) {
    .garantia-content {
        grid-template-columns: 1fr;
    }
}

.garantia-text {
    color: var(--color-light);
    line-height: 1.6;
}

.garantia-text p {
    margin-bottom: var(--spacing-md);
}

.garantia-list {
    list-style: none;
}

.garantia-list li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
}

.garantia-list li::before {
    content: "•";
    color: var(--color-primary);
    font-weight: bold;
    margin-right: var(--spacing-sm);
    flex-shrink: 0;
}

.garantia-highlight {
    background: rgba(56, 189, 248, 0.1);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-md);
    border-radius: 0 8px 8px 0;
    margin: var(--spacing-md) 0;
}

/* Responsive Design */
@media (max-width: 992px) {
    .proyecto-iframe-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .proyecto-iframe-container {
        height: 300px;
    }

    .proyectos-container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .proyecto-header {
        padding: var(--spacing-md);
    }

    .proyecto-info {
        padding: var(--spacing-md);
    }

    .garantia-section {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 600px) {
    .proyecto-iframe-container {
        height: 250px;
    }

    .proyecto-title {
        font-size: var(--font-size-md);
    }

    .proyecto-type {
        font-size: var(--font-size-md);
    }
}