/* Color Scheme - Contrasting Electricity (Yellow/Orange) and Air Conditioning (Cyan/Blue) */
:root {
    --electric-yellow: #FFD700;
    --electric-orange: #FF8C00;
    --clima-cyan: #00CED1;
    --clima-blue: #1E90FF;
    --dark-bg: #1a1a2e;
    --darker-bg: #0f0f1e;
    --light-text: #ffffff;
    --gray-text: #b0b0b0;
    --gradient-electric: linear-gradient(135deg, var(--electric-orange) 0%, var(--electric-yellow) 100%);
    --gradient-clima: linear-gradient(135deg, var(--clima-blue) 0%, var(--clima-cyan) 100%);
    --gradient-hero: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--light-text);
    background-color: var(--dark-bg);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header and Navigation - Mobile First */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-image {
    height: 35px;
    width: auto;
}

.logo-text {
    height: 28px;
    width: auto;
}

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

.logo-volt {
    color: var(--electric-yellow);
}

.nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--darker-bg);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    padding: 2rem 0;
    gap: 1.5rem;
    list-style: none;
    display: flex;
    align-items: center;
}

.nav-menu.active {
    left: 0;
}

.nav-menu a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--electric-yellow);
}

.btn-contact {
    background: var(--gradient-electric);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    color: var(--dark-bg) !important;
    font-weight: 600;
}

.btn-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.hamburger {
    display: flex;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--light-text);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section - Mobile First */
.hero {
    background: var(--gradient-hero);
    padding: 100px 0 60px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(0, 206, 209, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight-electric {
    background: var(--gradient-electric);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-clima {
    background: var(--gradient-clima);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--gray-text);
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    flex-wrap: wrap;
}

.hero-buttons .btn {
    width: 100%;
    max-width: 300px;
}

/* Buttons */
.btn {
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--gradient-electric);
    color: var(--dark-bg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 215, 0, 0.4);
}

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

.btn-secondary:hover {
    background: var(--clima-cyan);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.btn-full {
    width: 100%;
}

/* Services Section - Mobile First */
.services {
    padding: 60px 0;
    background-color: var(--darker-bg);
}

.section-title {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--gray-text);
    font-size: 1rem;
    margin-bottom: 2rem;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.service-card {
    background: var(--dark-bg);
    border-radius: 15px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.service-card.electric {
    border-color: var(--electric-orange);
}

.service-card.electric:hover {
    box-shadow: 0 15px 30px rgba(255, 140, 0, 0.3);
}

.service-card.clima {
    border-color: var(--clima-cyan);
}

.service-card.clima:hover {
    box-shadow: 0 15px 30px rgba(0, 206, 209, 0.3);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card.electric .service-icon {
    background: var(--gradient-electric);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card.clima .service-icon {
    background: var(--gradient-clima);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--gray-text);
    line-height: 1.8;
}

/* About Section - Mobile First */
.about {
    padding: 60px 0;
    background-color: var(--dark-bg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1rem;
    color: var(--gray-text);
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.feature p {
    color: var(--gray-text);
}

/* Contact Section - Mobile First */
.contact {
    padding: 60px 0;
    background-color: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.contact-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark-bg);
    border-radius: 10px;
}

.contact-item h3 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.contact-item p {
    color: var(--gray-text);
}

/* Contact Form - Mobile First */
.contact-form-container {
    background: var(--dark-bg);
    padding: 1.5rem;
    border-radius: 15px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background-color: var(--darker-bg);
    color: var(--light-text);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--electric-yellow);
}

.form-group textarea {
    resize: vertical;
    font-family: inherit;
}

/* Footer */
.footer {
    background-color: rgba(26, 26, 46, 0.95);
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo-image {
    height: 40px;
    width: auto;
}

.footer-logo-text {
    height: 32px;
    width: auto;
}

.footer p {
    color: var(--gray-text);
}

/* Developed By Section */
.developed-by {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.developed-text {
    font-size: 0.9rem;
    color: var(--gray-text);
    margin: 0;
}

.developer-link {
    display: inline-block;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.developer-link:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.developer-logo {
    height: 40px;
    width: auto;
    display: block;
    filter: brightness(0.9);
    transition: filter 0.3s ease;
    border-radius: 10px;
}

.developer-link:hover .developer-logo {
    filter: brightness(1.1);
}

/* WhatsApp Floating Button - Mobile First */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 4px 12px rgba(37, 211, 102, 0.4),
        0 0 0 0 rgba(255, 215, 0, 0.7);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
    border: 3px solid transparent;
    animation: pulseElectric 3s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.15) translateY(-5px);
    box-shadow: 
        0 8px 20px rgba(37, 211, 102, 0.6),
        0 0 20px rgba(255, 215, 0, 0.5),
        0 0 40px rgba(0, 206, 209, 0.3);
    border-color: var(--electric-yellow);
}

.whatsapp-icon {
    width: 30px;
    height: 30px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

@keyframes pulseElectric {
    0%, 100% {
        box-shadow: 
            0 4px 12px rgba(37, 211, 102, 0.4),
            0 0 0 0 rgba(255, 215, 0, 0.7),
            0 0 0 0 rgba(0, 206, 209, 0.7);
    }
    25% {
        box-shadow: 
            0 4px 12px rgba(37, 211, 102, 0.4),
            0 0 10px 5px rgba(255, 215, 0, 0.4),
            0 0 0 0 rgba(0, 206, 209, 0.7);
    }
    50% {
        box-shadow: 
            0 4px 12px rgba(37, 211, 102, 0.4),
            0 0 0 0 rgba(255, 215, 0, 0.7),
            0 0 0 0 rgba(0, 206, 209, 0.7);
    }
    75% {
        box-shadow: 
            0 4px 12px rgba(37, 211, 102, 0.4),
            0 0 0 0 rgba(255, 215, 0, 0.7),
            0 0 10px 5px rgba(0, 206, 209, 0.4);
    }
}

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

/* Responsive Design - Mobile First Approach */

/* Tablets and Small Laptops - 768px and up */
@media (min-width: 768px) {
    .logo {
        font-size: 1.8rem;
    }

    .logo-image {
        height: 40px;
    }

    .logo-text {
        height: 32px;
    }

    .hamburger {
        display: none;
    }

    .nav-menu {
        position: static;
        flex-direction: row;
        width: auto;
        padding: 0;
        gap: 2rem;
        background-color: transparent;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .hero-buttons .btn {
        width: auto;
    }

    .services {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2.5rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
        margin-bottom: 3rem;
    }

    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
    }

    .about {
        padding: 80px 0;
    }

    .about-text p {
        font-size: 1.1rem;
    }

    .about-features {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-top: 3rem;
    }

    .contact {
        padding: 80px 0;
    }

    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
        margin-top: 3rem;
    }

    .contact-info {
        gap: 2rem;
    }

    .contact-form-container {
        padding: 2rem;
    }

    .whatsapp-float {
        bottom: 30px;
        right: 30px;
        width: 60px;
        height: 60px;
    }

    .whatsapp-icon {
        width: 35px;
        height: 35px;
    }

    .developer-logo {
        height: 45px;
    }
}

/* Desktops - 1024px and up */
@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 1.3rem;
        margin-bottom: 2.5rem;
    }
}