/* Base Styles */
:root {
    /* Paleta de colores SilPerSoft */
    --color-light-gray: #ABAAA9;     /* ABAAAC: Gris claro */
    --color-lavender: #A372D0;       /* A372D0: Lavanda */
    --color-purple: #512C73;         /* 512C73: Púrpura */
    --color-dark-purple: #140720;    /* 140720: Púrpura oscuro */
    --color-deep-purple: #1E003A;    /* 1E003A: Púrpura profundo */
    
    /* Colores adicionales */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray: #f5f5f5;
}

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

/* Estilos generales */
body {
    font-family: 'Roboto', sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: var(--color-white);
    perspective: 1000px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--color-purple);
}

a {
    color: var(--color-purple);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--color-lavender);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Botones */
.btn-primary {
    background-color: var(--color-purple);
    color: var(--color-white);
    padding: 12px 24px;
    border-radius: 4px;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-lavender);
    color: var(--color-white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-purple);
    border: 2px solid var(--color-purple);
    padding: 10px 22px;
    border-radius: 4px;
    display: inline-block;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background-color: var(--color-purple);
    color: var(--color-white);
}

/* Estilos 3D e inmersivos */
.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: linear-gradient(45deg, var(--color-lavender), var(--color-purple));
    border-radius: 50%;
    animation: float 15s infinite linear;
    opacity: 0.6;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Header con efectos 3D inmersivos avanzados - CORREGIDO */
#header {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(255, 255, 255, 0.98) 50%, 
        rgba(255, 255, 255, 0.95) 100%);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0 0 20px 20px;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        0 0 50px rgba(163, 114, 208, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

#header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(163, 114, 208, 0.05) 50%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: inherit;
    pointer-events: none;
}

#header:hover::before {
    opacity: 1;
}

#header:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 15px 50px rgba(0, 0, 0, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 0 80px rgba(163, 114, 208, 0.2);
    border-radius: 0 0 25px 25px;
}

#header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 15px;
    position: relative;
}

/* Logo con efectos 3D mejorados - CORREGIDO */
.logo {
    transition: all 0.4s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo a {
    display: flex;
    align-items: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 26px;
    color: var(--color-deep-purple);
    text-shadow: 0 2px 10px rgba(30, 0, 58, 0.3);
    transition: all 0.3s ease;
}

.logo img {
    height: 45px;
    margin-right: 12px;
    border-radius: 50%;
    box-shadow: 
        0 5px 15px rgba(0, 0, 0, 0.2),
        0 0 20px rgba(163, 114, 208, 0.3);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.logo:hover img {
    transform: scale(1.1);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.3),
        0 0 40px rgba(163, 114, 208, 0.5);
}

/* Navegación con efectos 3D inmersivos - CORREGIDO */
nav {
    position: relative;
}

nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 8px 15px;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.3),
        0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

nav ul li {
    margin: 0 8px;
    position: relative;
}

nav ul li a {
    color: var(--color-purple);
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 25px;
    position: relative;
    transition: all 0.3s ease;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: block;
}

nav ul li a:hover {
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    box-shadow: 0 5px 15px rgba(163, 114, 208, 0.4);
    transform: translateY(-2px);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

nav ul li a.btn-primary {
    background: linear-gradient(135deg, var(--color-purple), var(--color-lavender));
    color: var(--color-white);
    box-shadow: 0 8px 25px rgba(81, 44, 115, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

nav ul li a.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-deep-purple));
    box-shadow: 0 15px 40px rgba(81, 44, 115, 0.5);
    transform: translateY(-3px) scale(1.05);
}

/* Menú hamburguesa 3D moderno - CORREGIDO */
.menu-toggle {
    display: none;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.9),
        rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--color-purple);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 
        0 5px 15px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    box-shadow: 0 10px 30px rgba(163, 114, 208, 0.4);
}

.menu-toggle i {
    transition: all 0.3s ease;
}

.menu-toggle:hover i {
    transform: rotateZ(90deg);
}

/* Efectos de partículas en el header - CORREGIDO */
#header::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(163, 114, 208, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(81, 44, 115, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: inherit;
}

#header:hover::after {
    opacity: 1;
}

/* Hero Section */
#hero {
    background: linear-gradient(135deg, var(--color-deep-purple), var(--color-purple));
    color: var(--color-white);
    padding: 80px 0;
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
}

#hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(163, 114, 208, 0.1) 0%, transparent 70%);
    animation: rotate3d 20s infinite linear;
    transform-origin: center;
}

@keyframes rotate3d {
    0% {
        transform: rotateZ(0deg) rotateY(0deg);
    }
    100% {
        transform: rotateZ(360deg) rotateY(360deg);
    }
}

#hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    transform-style: preserve-3d;
}

.hero-content {
    width: 50%;
    transform: translateZ(30px);
    animation: slideInLeft 1s ease-out;
}

.hero-image {
    width: 45%;
    transform: translateZ(20px) rotateY(-10deg);
    animation: slideInRight 1s ease-out;
    transition: transform 0.3s ease;
}

.hero-image:hover {
    transform: translateZ(40px) rotateY(-5deg) scale(1.05);
}

@keyframes slideInLeft {
    0% {
        transform: translateX(-100px) translateZ(0px) rotateY(-20deg);
        opacity: 0;
    }
    100% {
        transform: translateX(0) translateZ(30px) rotateY(0deg);
        opacity: 1;
    }
}

@keyframes slideInRight {
    0% {
        transform: translateX(100px) translateZ(0px) rotateY(20deg);
        opacity: 0;
    }
    100% {
        transform: translateX(0) translateZ(20px) rotateY(-10deg);
        opacity: 1;
    }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    margin-bottom: 15px;
    color: var(--color-purple);
}

.section-header p {
    font-size: 18px;
    color: var(--color-light-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Benefits Section */
#benefits {
    padding: 80px 0;
    background-color: var(--color-white);
    position: relative;
    transform-style: preserve-3d;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.benefit-card {
    background: rgba(245, 245, 245, 0.9);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(163, 114, 208, 0.2), transparent);
    transition: left 0.5s ease;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    transform: translateY(-20px) translateZ(30px) rotateX(5deg);
    box-shadow: 0 20px 60px rgba(163, 114, 208, 0.3);
}

.benefit-card i {
    font-size: 40px;
    color: var(--color-lavender);
    margin-bottom: 20px;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.benefit-card:hover i {
    transform: translateZ(20px) rotateY(360deg);
    color: var(--color-purple);
}

/* Management System Section */
#management-system {
    padding: 80px 0;
    background-color: var(--color-gray);
}

.services-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(15px);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
    position: relative;
}

.service-card:hover {
    transform: translateY(-15px) translateZ(25px) rotateX(5deg);
    box-shadow: 0 25px 60px rgba(163, 114, 208, 0.2);
}

.service-card i {
    font-size: 36px;
    color: var(--color-lavender);
    margin-bottom: 20px;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
}

.service-card:hover i {
    transform: translateZ(15px) rotateY(360deg) scale(1.2);
}

/* Projects Section */
#projects {
    padding: 80px 0;
    background-color: var(--color-white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.project-card {
    background: linear-gradient(135deg, var(--color-purple), var(--color-lavender));
    color: var(--color-white);
    padding: 30px;
    border-radius: 15px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
}

.project-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: rotateGlow 4s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover::after {
    opacity: 1;
}

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

.project-card:hover {
    transform: translateY(-15px) translateZ(40px) rotateX(10deg) rotateY(5deg);
    box-shadow: 0 25px 80px rgba(81, 44, 115, 0.4);
}

.project-logo {
    width: 90px;
    height: 90px;
    margin-bottom: 20px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 2;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
}

.project-card:hover .project-logo {
    transform: translateZ(30px) rotateY(180deg) scale(1.1);
    box-shadow: 0 15px 50px rgba(255, 255, 255, 0.3);
}

/* Para proyectos sin logo */
.project-card:not(:has(.project-logo)) {
    padding-top: 40px;
}

/* Advantages Section */
#advantages {
    padding: 80px 0;
    background-color: var(--color-gray);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.advantage-card i {
    font-size: 36px;
    color: var(--color-lavender);
    margin-bottom: 20px;
}

.advantage-card h3 {
    color: var(--color-purple);
    margin-bottom: 15px;
}

/* Contact Section con WhatsApp */
#contact {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-dark-purple), var(--color-deep-purple));
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    animation: moveGrain 20s linear infinite;
}

@keyframes moveGrain {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(-100px, -100px);
    }
}

#contact .section-header h2,
#contact .section-header p {
    color: var(--color-white);
}

.contact-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    align-items: center;
}

/* WhatsApp Contact Card - CORREGIDO */
.whatsapp-contact {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
}

.whatsapp-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    max-width: 400px;
}

.whatsapp-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
}

.whatsapp-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.whatsapp-icon i {
    font-size: 50px;
    color: var(--color-white);
    transition: all 0.4s ease;
}

.whatsapp-card:hover .whatsapp-icon {
    transform: translateZ(20px) rotateY(360deg) scale(1.1);
    box-shadow: 
        0 25px 60px rgba(37, 211, 102, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.whatsapp-card:hover .whatsapp-icon i {
    transform: translateZ(10px) scale(1.2);
}

.whatsapp-card h3 {
    color: var(--color-white);
    font-size: 28px;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.whatsapp-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Botón WhatsApp inmersivo */
.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--color-white);
    padding: 18px 35px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 
        0 15px 35px rgba(37, 211, 102, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform-style: preserve-3d;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.whatsapp-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent);
    transition: left 0.6s ease;
}

.whatsapp-btn:hover::before {
    left: 100%;
}

.whatsapp-btn:hover {
    background: linear-gradient(135deg, #128C7E, #25D366);
    transform: translateY(-5px) translateZ(15px) scale(1.05);
    box-shadow: 
        0 25px 50px rgba(37, 211, 102, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.whatsapp-btn i {
    font-size: 22px;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.whatsapp-btn:hover i {
    transform: translateZ(5px) rotateZ(360deg);
}

.whatsapp-btn span {
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.whatsapp-btn:hover span {
    transform: translateZ(5px);
}

/* Contact Info mejorada */
.contact-info {
    flex: 1;
    min-width: 300px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.info-item:hover {
    transform: translateX(10px) translateZ(10px);
}

.info-item i {
    font-size: 24px;
    color: var(--color-lavender);
    margin-right: 15px;
    margin-top: 5px;
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.info-item:hover i {
    transform: translateZ(10px) rotateY(360deg);
    color: #25D366;
}

.info-item h3 {
    color: var(--color-white);
    margin-bottom: 5px;
}

.info-item a {
    color: var(--color-white);
    transition: all 0.3s ease;
}

.info-item a:hover {
    color: var(--color-lavender);
}

.social-media {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-media a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    color: var(--color-white);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transform-style: preserve-3d;
}

.social-media a:hover {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    transform: translateY(-8px) translateZ(15px) scale(1.1);
    box-shadow: 0 15px 30px rgba(163, 114, 208, 0.4);
}

.social-media a[href*="whatsapp"]:hover {
    background: linear-gradient(135deg, #25D366, #128C7E);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

.social-media a i {
    transition: all 0.3s ease;
    transform-style: preserve-3d;
}

.social-media a:hover i {
    transform: translateZ(5px) rotateY(360deg);
}

/* Media Queries for Responsiveness */
@media (max-width: 768px) {
    nav {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        border-radius: 0 0 20px 20px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.3);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 999;
        max-height: calc(100vh - 80px);
        overflow-y: auto;
    }
    
    nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    nav ul {
        flex-direction: column;
        background: transparent;
        backdrop-filter: none;
        border-radius: 0;
        padding: 20px;
        box-shadow: none;
        border: none;
        margin: 0;
    }
    
    nav ul li {
        margin: 8px 0;
        width: 100%;
    }
    nav ul li a {
        display: block;
        width: 100%;
        text-align: center;
        padding: 15px 20px;
        border-radius: 15px;
        font-size: 16px;
        font-weight: 600;
    }
    
    nav ul li a:hover {
        transform: translateY(-2px);
    }
    
    .menu-toggle {
        display: flex;
        position: relative;
        z-index: 1001;
    }
    
    #header .container {
        padding: 15px;
        position: relative;
    }
    
    .logo a {
        font-size: 22px;
    }
    
    .logo img {
        height: 35px;
    }
}

/* Estilos para modales de proyectos - MEJORADO PARA MÓVIL */
.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    -webkit-overflow-scrolling: touch;
}

.project-modal.show {
    opacity: 1;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-content {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95), 
        rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transform: scale(0.8) translateY(50px);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    margin: auto;
    -webkit-overflow-scrolling: touch;
}

.project-modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px 20px;
    border-bottom: 1px solid rgba(163, 114, 208, 0.2);
    margin-bottom: 0;
    position: sticky;
    top: 0;
    background: inherit;
    border-radius: 20px 20px 0 0;
    z-index: 1;
}

.modal-title {
    color: var(--color-purple);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    flex: 1;
    padding-right: 20px;
}

.modal-close {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.6));
    border: 1px solid rgba(163, 114, 208, 0.3);
    font-size: 18px;
    color: var(--color-purple);
    cursor: pointer;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.modal-close:hover {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    transform: rotate(90deg) scale(1.1);
    border-color: transparent;
}

.modal-body {
    padding: 20px 30px 30px;
}

.modal-description {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.modal-year {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
    box-shadow: 0 3px 10px rgba(163, 114, 208, 0.3);
}

.modal-body h3 {
    color: var(--color-purple);
    font-size: 18px;
    margin: 20px 0 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-body h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    border-radius: 2px;
}

.modal-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
}

.modal-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 12px;
    font-size: 15px;
    line-height: 1.5;
    padding: 8px 0;
}

.modal-features li i {
    color: var(--color-lavender);
    margin-right: 12px;
    font-size: 14px;
    margin-top: 3px;
    flex-shrink: 0;
}

.modal-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: linear-gradient(135deg, 
        rgba(163, 114, 208, 0.1), 
        rgba(81, 44, 115, 0.1));
    color: var(--color-purple);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(163, 114, 208, 0.3);
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.tech-tag:hover {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(163, 114, 208, 0.4);
    border-color: transparent;
}

/* Responsive para modales - COMPLETAMENTE MEJORADO PARA MÓVIL */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 10px;
        align-items: flex-start;
        padding-top: 20px;
    }
    
    .modal-content {
        margin: 0;
        max-height: calc(100vh - 40px);
        border-radius: 15px;
        transform: scale(0.9) translateY(30px);
        min-height: auto;
    }
    
    .modal-header {
        padding: 20px 20px 15px;
        border-radius: 15px 15px 0 0;
        position: sticky;
        top: 0;
        background: linear-gradient(135deg, 
            rgba(255, 255, 255, 0.95), 
            rgba(255, 255, 255, 0.9));
        z-index: 2;
    }
    
    .modal-body {
        padding: 15px 20px 20px;
    }
    
    .modal-title {
        font-size: 20px;
        padding-right: 15px;
        line-height: 1.2;
    }
    
    .modal-close {
        width: 32px;
        height: 32px;
        font-size: 16px;
        /* Hacer el botón más fácil de tocar en móvil */
        min-width: 44px;
        min-height: 44px;
        margin: -6px;
    }
    
    .modal-features li {
        font-size: 14px;
        margin-bottom: 10px;
        padding: 6px 0;
    }
    
    .tech-tag {
        font-size: 12px;
        padding: 6px 10px;
        /* Hacer los tags más fáciles de tocar */
        min-height: 32px;
        display: inline-flex;
        align-items: center;
    }
    
    .modal-body h3 {
        font-size: 16px;
        margin: 15px 0 10px;
    }
    
    /* Mejorar el scroll en móvil */
    .modal-content {
        scroll-behavior: smooth;
    }
}

@media (max-width: 480px) {
    .modal-overlay {
        padding: 5px;
        padding-top: 10px;
    }
    
    .modal-content {
        max-height: calc(100vh - 20px);
        border-radius: 12px;
        transform: scale(0.95) translateY(20px);
    }
    
    .modal-header {
        padding: 15px 15px 12px;
        border-radius: 12px 12px 0 0;
    }
    
    .modal-body {
        padding: 12px 15px 15px;
    }
    
    .modal-title {
        font-size: 18px;
        padding-right: 10px;
    }
    
    .modal-close {
        min-width: 40px;
        min-height: 40px;
        margin: -4px;
    }
}

/* Prevenir scroll del body cuando el modal está abierto - MEJORADO */
body.modal-open {
    overflow: hidden;
    height: 100vh;
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
}

/* Mejorar la interacción táctil en las tarjetas de proyectos */
.project-card {
    cursor: pointer;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Feedback visual para dispositivos táctiles */
@media (hover: none) and (pointer: coarse) {
    .project-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    
    .modal-close:active {
        transform: scale(0.9);
        transition: transform 0.1s ease;
    }
    
    .tech-tag:active {
        transform: scale(0.95);
        transition: transform 0.1s ease;
    }
}
.modal-overlay {
    justify-content: center;
    padding: 20px;
}

.modal-content {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95), 
        rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 
        0 20px 60px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    transform: scale(0.8);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-modal.show .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 30px 0;
    border-bottom: 1px solid rgba(163, 114, 208, 0.2);
    margin-bottom: 20px;
}

.modal-title {
    color: var(--color-purple);
    font-size: 24px;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--color-purple);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background: var(--color-lavender);
    color: var(--color-white);
    transform: rotate(90deg);
}

.modal-body {
    padding: 0 30px 30px;
}

.modal-description {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.modal-year {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    padding: 8px 15px;
    border-radius: 20px;
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
}

.modal-body h3 {
    color: var(--color-purple);
    font-size: 18px;
    margin: 20px 0 15px;
    font-weight: 600;
}

.modal-features {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
}

.modal-features li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    font-size: 15px;
    line-height: 1.5;
}

.modal-features li i {
    color: var(--color-lavender);
    margin-right: 10px;
    font-size: 12px;
}

.modal-technologies {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: linear-gradient(135deg, 
        rgba(163, 114, 208, 0.1), 
        rgba(81, 44, 115, 0.1));
    color: var(--color-purple);
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(163, 114, 208, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: linear-gradient(135deg, var(--color-lavender), var(--color-purple));
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Responsive para modales */
@media (max-width: 768px) {
    .modal-content {
        margin: 10px;
        max-height: calc(100vh - 20px);
    }
    
    .modal-header {
        padding: 20px 20px 0;
    }
    
    .modal-body {
        padding: 0 20px 20px;
    }
    
    .modal-title {
        font-size: 20px;
    }
    
    .modal-features li {
        font-size: 14px;
    }
    
    .tech-tag {
        font-size: 12px;
        padding: 4px 8px;
    }
}

/* Mejorar cursor en tarjetas de proyectos */
.project-card {
    cursor: pointer;
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.project-card::after {
    content: '\f06e';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 18px;
    right: 18px;
    color: var(--color-white);
    font-size: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 4;
    pointer-events: none;
}

.project-card:hover::before,
.project-card:hover::after {
    opacity: 1;
}