/* CGT Energia - Professional Energy Company Styles */

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

:root {
    /* Energy Company Color Palette */
    --primary-blue: #1e40af;
    --primary-blue-dark: #1e3a8a;
    --secondary-green: #b5f0ee;
    --secondary-green-dark: #b5f0ee;
    --accent-yellow: #fbbf24;
    --accent-orange: #f97316;
    
    /* Neutral Colors */
    --white: #ffffff;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #334155;
    --text-dark: #1e293b;
    
    /* Gradients */
    --primary-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    --energy-gradient: linear-gradient(135deg, var(--accent-yellow) 0%, var(--accent-orange) 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Base Typography */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

a {
    text-decoration: none;
    color: var(--primary-blue);
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-blue-dark);
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--space-3xl);
    position: relative;
}

/* Removed yellow-orange underline from section titles */

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.top-contact-bar {
    background: var(--primary-gradient);
    color: var(--white);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
}

.contact-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.contact-info span {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    color: var(--white);
    font-size: var(--font-size-lg);
    transition: transform var(--transition-fast);
}

.social-link:hover {
    transform: translateY(-2px);
    color: var(--accent-yellow);
}

.nav-container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
}

.logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    justify-self: start;
}

/* Ensure the logo image is a reasonable size and aligns with the menu */
.logo img {
    display: block;
    height: 48px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
    align-items: center;
    justify-self: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 600;
    font-size: var(--font-size-base);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-fast);
}

.nav-menu a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: var(--space-sm);
    justify-self: end;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

/* Hero Section */
.index-hero {
    min-height: 100vh;
    background: var(--primary-gradient);
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 120px;
    overflow: hidden;
}

.features-grid {
    display: flex;
    gap: var(--space-xl);
    z-index: 2;
    position: relative;
    overflow-x: auto; /* Add horizontal scroll on overflow */
    padding-bottom: 1rem; /* Add some space for the scrollbar */
}

.feature-item {
    flex: 0 0 250px; /* Set a fixed base width for each item */
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    text-align: center;
    color: var(--white);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--energy-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.feature-item h4 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

.feature-item p {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

/* Gallery Styles */
.gallery-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(181, 240, 238, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.gallery-section .section-title {
    text-align: center;
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

.gallery-section .section-subtitle {
    text-align: center;
    margin-bottom: var(--space-3xl);
    color: var(--medium-gray);
    font-size: var(--font-size-lg);
}

.gallery-container {
    position: relative;
    z-index: 2;
}

.static-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--white);
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    width: 90vw;
    max-width: 800px;
    height: auto;
    max-height: 90vh;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.gallery-item.expanded img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
}

.gallery-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.gallery-overlay.active {
    opacity: 1;
    visibility: visible;
}

.gallery-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--text-dark);
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.gallery-close:hover {
    background: var(--light-gray);
    transform: scale(1.1);
}

/* AI Background Elements */
.ai-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.ai-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(251, 191, 36, 0.3) 0%, transparent 70%);
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    right: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    bottom: 20%;
    left: -5%;
    animation-delay: 2s;
}

.orb-3 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 20%;
    animation-delay: 4s;
}

.ai-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* Services Section */
.index-services {
    padding: var(--space-3xl) 0;
    background: var(--light-gray);
}

.index-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.index-service-card {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.index-service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.index-service-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--space-lg);
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.index-service-card:hover .index-service-icon {
    transform: scale(1.1) rotate(5deg);
}

.index-service-icon img {
    width: 40px;
    height: 40px;
    filter: brightness(0) invert(1);
}

.index-service-card h3 {
    font-size: var(--font-size-xl);
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.index-service-card p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* About Section */
.index-about {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.index-about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    background: var(--light-gray);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.index-about .index-about-content + .index-about-content {
    margin-top: var(--space-3xl);
}

.index-about-content:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.index-about-text h2 {
    font-size: var(--font-size-3xl);
    color: var(--text-dark);
    margin-bottom: var(--space-lg);
}

.index-about-text p {
    color: var(--medium-gray);
    margin-bottom: var(--space-lg);
    font-size: var(--font-size-lg);
}

.index-about-features {
    list-style: none;
    display: grid;
    gap: var(--space-md);
}

.index-about-features li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-dark);
    font-weight: 500;
}

.index-about-features li::before {
    content: '✓';
    background: var(--secondary-green);
    color: var(--white);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: bold;
}

.index-about-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
}

.index-about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transform: scale(1);
    transition: transform var(--transition-slow);
}

.index-about-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.35) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.index-about-image:hover img {
    transform: scale(1.05);
}

.index-about-image:hover::before {
    opacity: 1;
}

/* Reverse layout support for the second media/text block */
.index-about-content.reverse .index-about-image { grid-column: 1; }
.index-about-content.reverse .index-about-text { grid-column: 2; }

/* Process Section */
.index-process {
    padding: var(--space-3xl) 0;
    background: var(--light-gray);
}

.index-process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
}

.index-process-step {
    background: var(--white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    position: relative;
}

.index-process-step:hover {
    transform: translateY(-5px);
}

.index-step-number {
    width: 60px;
    height: 60px;
    background: var(--energy-gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: bold;
    margin: 0 auto var(--space-lg);
}

.index-process-step h3 {
    color: var(--text-dark);
    margin-bottom: var(--space-md);
}

.index-process-step p {
    color: var(--medium-gray);
    line-height: 1.6;
}

/* Contact Section */
.index-contact {
    padding: var(--space-3xl) 0;
    background: var(--white);
}

.index-contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.index-contact-info h2 {
    color: var(--text-dark);
    margin-bottom: var(--space-lg);
}

.index-contact-info p {
    color: var(--medium-gray);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-xl);
}

.index-contact-details {
    list-style: none;
    display: grid;
    gap: var(--space-lg);
}

.index-contact-details li {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    color: var(--text-dark);
    font-weight: 500;
    font-size: var(--font-size-lg);
}

.index-contact-form {
    background: var(--light-gray);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.index-form-group {
    margin-bottom: var(--space-lg);
}

.index-form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--text-dark);
    font-weight: 600;
}

.index-form-group input,
.index-form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

.index-form-group input:focus,
.index-form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.index-submit-btn {
    width: 100%;
    padding: var(--space-lg);
    background: var(--primary-gradient);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

/* Footer */
.index-footer {
    background: var(--text-dark);
    color: var(--white);
    padding: var(--space-xl) 0;
    text-align: center;
}

.index-footer p {
    margin: 0;
    opacity: 0.8;
}

/* Cookie Consent */
#cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid #e2e8f0;
    padding: var(--space-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    display: none;
}

#cookie-consent p {
    margin-bottom: var(--space-md);
    color: var(--text-dark);
}

#cookie-consent button {
    margin-right: var(--space-md);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

#accept-cookies {
    background: var(--secondary-green);
    color: var(--white);
}

#accept-cookies:hover {
    background: var(--secondary-green-dark);
}

#reject-cookies {
    background: var(--medium-gray);
    color: var(--white);
}

#reject-cookies:hover {
    background: var(--dark-gray);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--space-md);
    }
    .logo img { height: 40px; }
    
    .index-about-content,
    .index-contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    .index-about-content.reverse .index-about-image,
    .index-about-content.reverse .index-about-text {
        grid-column: auto;
    }
    
    
}

@media (max-width: 768px) {
    .nav-container {
        display: flex;
        justify-content: space-between;
    }
    .logo img { height: 36px; }

    .nav-menu {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .top-contact-bar {
        display: none;
    }
    
    .contact-info {
        justify-content: center;
        text-align: center;
    }
    
    .index-hero {
        padding-top: 80px;
        min-height: 80vh;
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
    
    .index-services-grid,
    .index-process-steps {
        grid-template-columns: 1fr;
    }
    
    .gallery-section {
        padding: var(--space-2xl) 0;
    }
    
    .gallery-section .section-subtitle {
        margin-bottom: var(--space-2xl);
        font-size: var(--font-size-base);
    }
    
    .static-gallery {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-lg);
    }
    
    .gallery-item img {
        height: 200px;
    }
    
    .gallery-item.expanded {
        width: 95vw;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .index-hero {
        padding-top: 60px;
    }
    
    .feature-item,
    .index-service-card,
    .index-process-step {
        padding: var(--space-lg);
    }
    
    .index-contact-form {
        padding: var(--space-lg);
    }
    
    .index-form-group input,
    .index-form-group textarea {
        padding: var(--space-sm);
    }
}

/* Print Styles */
@media print {
    .header,
    .mobile-menu,
    #cookie-consent {
        display: none;
    }
    
    .index-hero {
        padding-top: 0;
        min-height: auto;
    }
    
    * {
        box-shadow: none !important;
    }
}