/* ===========================================
   CAB SISTEMAS - LANDING PAGE STYLES
   =========================================== */

/* RESET Y CONFIGURACIÓN BASE */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

/* VARIABLES CSS - COLORES DEL LOGO */
:root {
    --primary-blue: #4A90E2;
    --primary-green: #7ED321;
    --primary-orange: #F5A623;
    --primary-purple: #9013FE;
    --dark-blue: #2C5AA0;
    --light-gray: #F8F9FA;
    --medium-gray: #6C757D;
    --dark-gray: #495057;
    --white: #FFFFFF;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

/* HEADER */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    height: 50px;
    transition: transform 0.3s ease;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green));
    transition: width 0.3s ease;
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover {
    color: var(--primary-blue);
}

/* MENÚ MÓVIL */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    transition: all 0.3s ease;
}

/* HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px 20px 80px;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

/* CANVAS PARA PARTÍCULAS */
#particles-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-logo {
    width: 700px;
    height: auto;
    margin-bottom: 0px;
    margin-top: 38px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    font-family: 'poppins', sans-serif;
    font-size: clamp(1.5rem, 5vw, 1.5rem);
    font-weight: 600;
    margin-bottom: -1px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out 0.2s both;
    margin-top: 45px;
}

.hero p {
    font-size: 1rem;
    color: var(--medium-gray);
    margin-bottom: 40px;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    box-shadow: var(--shadow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px);
}

/* SECCIONES GENERALES */
.section {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--primary-purple));
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--medium-gray);
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* SECCIÓN NOSOTROS */
.about {
    background: linear-gradient(135deg, #f8f9ff 0%, #e8f4f8 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    padding: 30px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.stat-label {
    color: var(--medium-gray);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* SECCIÓN SERVICIOS */
.services {
    background: linear-gradient(135deg, #fff5e6 0%, #f0f8e6 100%);
}

.service-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Efecto de brillo que se desliza */
.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
    z-index: 1;
}

.service-card:hover::after {
    left: 100%;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green), var(--primary-orange), var(--primary-purple));
}

.service-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: var(--shadow-hover);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
}

.service-card:hover::before {
    height: 8px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-green), var(--primary-orange), var(--primary-purple));
    background-size: 200% 100%;
    animation: gradientShift 2s ease infinite;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 25px rgba(74, 144, 226, 0.3);
}

.service-card:hover h3 {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.service-card:hover p {
    color: var(--dark-gray);
}

.service-card:hover .service-features li {
    transform: translateX(5px);
    color: var(--dark-gray);
}

.service-card:hover .service-features li::before {
    color: var(--primary-green);
    transform: scale(1.2);
    font-weight: bold;
}

/* Efecto hover especial para cada card */
.service-card:nth-child(1):hover {
    background: linear-gradient(135deg, #ffffff 0%, #f0f4ff 100%);
    border: 1px solid rgba(74, 144, 226, 0.2);
}

.service-card:nth-child(2):hover {
    background: linear-gradient(135deg, #ffffff 0%, #f0f8f0 100%);
    border: 1px solid rgba(126, 211, 33, 0.2);
}

.service-card:nth-child(3):hover {
    background: linear-gradient(135deg, #ffffff 0%, #fff8f0 100%);
    border: 1px solid rgba(245, 166, 35, 0.2);
}

/* Animación de rebote sutil en el icono */
.service-card:hover .service-icon i {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Efecto de aparición suave en las features */
.service-card:hover .service-features li {
    opacity: 1;
    transform: translateX(5px);
}

.service-card .service-features li {
    opacity: 0.8;
    transform: translateX(0);
}

/* Sombra especial en hover con efecto glow */
.service-card:nth-child(1):hover {
    box-shadow: 
        0 20px 40px rgba(74, 144, 226, 0.15),
        0 0 30px rgba(74, 144, 226, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.service-card:nth-child(2):hover {
    box-shadow: 
        0 20px 40px rgba(126, 211, 33, 0.15),
        0 0 30px rgba(126, 211, 33, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.service-card:nth-child(3):hover {
    box-shadow: 
        0 20px 40px rgba(245, 166, 35, 0.15),
        0 0 30px rgba(245, 166, 35, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Efecto especial: rotación sutil del contenido en hover */
.service-card:hover .service-icon,
.service-card:hover h3,
.service-card:hover p {
    transform: perspective(1000px) rotateX(2deg);
}

/* Efecto de contador para las features */
.service-features li {
    counter-increment: feature-counter;
}

.service-features {
    counter-reset: feature-counter;
}

.service-features li::before {
    content: counter(feature-counter) ". ✓";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

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

.service-card:nth-child(2) .service-icon {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-orange));
}

.service-card:nth-child(3) .service-icon {
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-purple));
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark-gray);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.service-card p {
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 25px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
    font-size: 14px;
}

.service-features {
    list-style: none;
    text-align: left;
    position: relative;
    z-index: 2;
}

.service-features li {
    padding: 8px 0;
    color: var(--medium-gray);
    position: relative;
    padding-left: 25px;
    transition: all 0.3s ease;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    transition: all 0.3s ease;
}

/* SECCIÓN CONTACTO */
.contact {
    background: linear-gradient(135deg, #f0f4ff 0%, #e8f8f5 100%);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #fefefe;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.form-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* FOOTER */
footer {
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-social {
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

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

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* UTILIDADES */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-20 { margin-bottom: 20px; }
.mt-20 { margin-top: 20px; }

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .section {
        padding: 80px 5%;
    }
    
    .contact-container,
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .service-cards {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 20px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        z-index: 999;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    nav.nav-open ul {
        display: flex;
        transform: translateX(0);
    }
    
    nav ul li {
        margin: 0;
        /* padding: 15px 0; */
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }
    
    nav ul li a {
        display: block;
        width: 100%;
        /* padding: 15px 20px; */
        font-size: 1.2rem;
        font-weight: 500;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.menu-open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.menu-open span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.menu-open span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 100px 20px 60px;
    }
    
    .hero-logo {
        width: 388px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-cards {
        grid-template-columns: 1fr;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 15px 20px;
    }
    
    .hero {
        padding: 80px 15px 40px;
    }
    .hero-logo {
        width: 388px;
    }
    
    .section {
        padding: 60px 15px;
    }
    
    .service-card,
    .contact-form {
        padding: 25px 20px;
    }
}