:root {
    --primary-color: #000000;
    --secondary-color: #ffffff;
    --accent-color: #333333;
    --dark-color: #000000;
    --light-gray: #ffffff;
    --turquoise: #000000;
    --turquoise-light: #333333;
    --turquoise-dark: #000000;
    --border-radius: 8px;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Exo', 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #000000;
    background-color: white;
    font-weight: 400;
}

/* Navegación */
.navbar {
    padding: 1rem 0;
    transition: all 0.3s ease;
    background: white !important;
    border-bottom: 1px solid #eee;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-size: 1.6rem;
    color: var(--primary-color) !important;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-link {
    font-weight: 600;
    color: var(--dark-color) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    padding: 0.5rem 1rem !important;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(0, 168, 204, 0.05);
    transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    width: 100%;
    padding: 80px 0;
    z-index: 1;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    z-index: 1;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: white;
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
                url('/images/appliances/servicio-profesional.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding-top: 120px;
}

.hero-content h1 {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.hero-content .lead {
    font-size: 1.25rem;
    font-weight: 400;
    opacity: 0.95;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.feature-item {
    display: flex;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 0;
}

.hero-image {
    position: relative;
    z-index: 2;
}

.hero-icon {
    font-size: 15rem;
    opacity: 0.8;
    color: var(--turquoise);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Service Cards */
.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 168, 204, 0.1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--turquoise) 0%, var(--turquoise-light) 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: #f8f9fa;
}

.appliance-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
    transition: transform 0.3s ease;
}

.service-card:hover .appliance-image {
    transform: scale(1.05);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, var(--turquoise), var(--turquoise-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.service-card h4 {
    color: var(--turquoise);
    margin-bottom: 1rem;
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--turquoise);
    line-height: 1.7;
}

/* Brand Cards */
.brand-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #eee;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--turquoise);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.brand-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(64, 224, 208, 0.03) 0%, rgba(72, 229, 222, 0.03) 100%);
    z-index: 1;
}

.brand-card:hover::before {
    opacity: 1;
}

.brand-card:hover {
    border-color: var(--turquoise);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.brand-logo {
    position: relative;
    z-index: 2;
    margin-bottom: 0.5rem;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-image {
    max-height: 40px;
    max-width: 80px;
    object-fit: contain;
    filter: brightness(0.8);
    transition: filter 0.3s ease;
}

.brand-card:hover .brand-image {
    filter: brightness(1);
}

.brand-card strong {
    position: relative;
    z-index: 2;
    font-size: 0.8rem;
    color: var(--turquoise);
    font-weight: 600;
}

/* Testimonial Cards */
.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--turquoise);
    position: relative;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.testimonial-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--turquoise);
    font-size: 1.15rem;
    line-height: 1.8;
    font-weight: 400;
}

.testimonial-card strong {
    color: var(--turquoise);
    font-weight: 600;
}

.stars i {
    margin-right: 3px;
}

/* Contact Section */
.contact-info {
    padding: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, var(--turquoise) 0%, var(--turquoise-light) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.contact-icon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.contact-details h5 {
    margin-bottom: 0.5rem;
    color: var(--turquoise);
    font-weight: 600;
}

.contact-details p {
    margin: 0;
    color: var(--turquoise);
    line-height: 1.5;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    border: 1px solid #ddd;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 0.875rem 1.25rem;
    transition: all 0.3s ease;
    font-weight: 500;
    background: white;
}

.form-control:focus {
    border-color: var(--turquoise);
    box-shadow: 0 0 0 0.25rem rgba(64, 224, 208, 0.15);
    background: white;
}

.form-select {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 0.875rem 1.25rem;
    transition: all 0.3s ease;
    font-weight: 500;
    background: white;
}

.form-select:focus {
    border-color: var(--turquoise);
    box-shadow: 0 0 0 0.25rem rgba(64, 224, 208, 0.15);
    background: white;
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 700;
    padding: 0.875rem 2.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    letter-spacing: 0.01em;
    text-transform: none;
}

.btn-primary {
    background: var(--turquoise);
    border: none;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.btn-primary::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;
}

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

.btn-primary:hover {
    background: var(--turquoise-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-outline-primary {
    border: 2px solid var(--turquoise);
    color: var(--turquoise);
    background: white;
}

.btn-outline-primary:hover {
    background: var(--turquoise);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    border-color: var(--turquoise);
}

/* Footer */
footer {
    background: var(--dark-color) !important;
}

footer h5 {
    color: white;
    font-weight: 600;
    margin-bottom: 1rem;
}

footer p {
    color: #adb5bd;
    margin-bottom: 0.5rem;
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}


/* Scroll suave y mejoras de performance */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* Elementos con glassmorphism */
.bg-light {
    background: white !important;
}

/* Secciones con mejor espaciado */
section {
    padding: 5rem 0 !important;
}

@media (min-width: 992px) {
    section {
        padding: 6rem 0 !important;
    }
}

/* Títulos mejorados */
.display-4, .display-5 {
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--turquoise);
}

/* Lead mejorado */
.lead {
    font-weight: 500;
    color: var(--turquoise);
    line-height: 1.7;
}

/* Responsivo */
@media (max-width: 768px) {
    .hero-icon {
        font-size: 8rem;
    }
    
    .hero-content {
        text-align: center;
        padding-top: 100px;
    }
    
    .hero-features {
        align-items: center;
    }
    
    .display-4 {
        font-size: 2.2rem;
    }
    
    .display-5 {
        font-size: 1.9rem;
    }
    
    .service-card,
    .contact-form {
        margin-bottom: 2rem;
    }
    
    .contact-item {
        text-align: center;
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .btn-lg {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    section {
        padding: 4rem 0 !important;
    }
}

@media (max-width: 576px) {
    .hero-content {
        padding-top: 80px;
    }
    
    .brand-card {
        font-size: 0.8rem;
        height: 90px;
        padding: 1rem;
    }
    
    .service-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .contact-icon {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
    
    section {
        padding: 3rem 0 !important;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
}

/* Animaciones mejoradas */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.service-card {
    animation: fadeInUp 0.8s ease-out;
}

.testimonial-card {
    animation: slideInLeft 0.8s ease-out;
}

.brand-card {
    animation: fadeInUp 0.6s ease-out;
}

.contact-item:nth-child(odd) {
    animation: slideInLeft 0.8s ease-out;
}

.contact-item:nth-child(even) {
    animation: slideInRight 0.8s ease-out;
}

/* Hover effects mejorados */
.service-card,
.testimonial-card,
.brand-card,
.contact-form {
    will-change: transform;
}

/* Animación de texto gradient */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Removed gradient animation for cleaner look */

/* Loading states */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Focus states para accesibilidad */
.btn:focus,
.form-control:focus,
.form-select:focus {
    outline: none;
}

/* Mejoras de contraste */
.text-muted {
    color: var(--turquoise) !important;
}

/* Estados de validación del formulario */
.is-invalid {
    border-color: #dc3545;
}

.is-valid {
    border-color: var(--secondary-color);
}

/* Special effects for appliance names */
.appliance-name-effect {
    font-size: 2.5rem;
    font-weight: 800;
    color: #000000;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    letter-spacing: -0.02em;
    margin: 2rem 0;
    text-transform: uppercase;
    position: relative;
}

.appliance-name-effect::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 3px;
    background: linear-gradient(90deg, transparent, #000000, transparent);
    animation: underlineGlow 2s ease-in-out infinite alternate;
}

@keyframes underlineGlow {
    0% {
        opacity: 0.5;
        width: 30%;
    }
    100% {
        opacity: 1;
        width: 60%;
    }
}

/* Special effects for brand names */
.brand-name-effect {
    font-size: 1.2rem;
    font-weight: 800;
    color: #000000;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    display: inline-block;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.brand-name-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.5) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.brand-card:hover .brand-name-effect::before {
    transform: translateX(100%);
}

.brand-card:hover .brand-name-effect {
    transform: scale(1.05);
}

.hero-background {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
                url('/images/appliances/servicio-profesional.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}