/* 
* Segrevicar - Main Stylesheet
* A complete stylesheet for a Spanish energy company website
*/

/* ========= Base Styles ========= */
:root {
    /* Primary Colors */
    --primary-color: #4CAF50;
    --primary-dark: #2E7D32;
    --primary-light: #A5D6A7;
    
    /* Secondary Colors */
    --secondary-color: #1976D2;
    --secondary-dark: #0D47A1;
    --secondary-light: #64B5F6;
    
    /* Accent Colors */
    --accent-color: #FFC107;
    --accent-dark: #FFA000;
    --accent-light: #FFE082;
    
    /* Neutral Colors */
    --dark: #212121;
    --medium-dark: #424242;
    --medium: #757575;
    --medium-light: #BDBDBD;
    --light: #F5F5F5;
    --white: #FFFFFF;
    
    /* Additional Colors */
    --success: #4CAF50;
    --info: #2196F3;
    --warning: #FF9800;
    --danger: #F44336;
    
    /* Font Families */
    --font-primary: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-secondary: 'Georgia', 'Times New Roman', serif;
    
    /* Font Sizes */
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-xxl: 2rem;
    --font-size-xxxl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    
    /* Container Max Width */
    --container-max-width: 1200px;
    --container-padding: 1rem;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

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

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

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

ul, ol {
    list-style: none;
}

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

h1 {
    font-size: var(--font-size-xxxl);
}

h2 {
    font-size: var(--font-size-xxl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-lg);
}

h5 {
    font-size: var(--font-size-md);
}

h6 {
    font-size: var(--font-size-sm);
}

p {
    margin-bottom: var(--spacing-md);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Utility Classes */
.section-padding {
    padding: var(--spacing-xxl) 0;
}

.bg-light {
    background-color: var(--light);
}

.bg-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.bg-secondary {
    background-color: var(--secondary-color);
    color: var(--white);
}

.bg-accent {
    background-color: var(--accent-light);
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-4 {
    margin-top: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-md);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    border: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

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

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

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

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

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

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

.btn-full {
    width: 100%;
}

/* ========= Layout Components ========= */

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
    transition: all var(--transition-normal);
}

header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    max-height: 50px;
}

/* Navigation */
nav {
    display: flex;
    align-items: center;
}

.main-menu {
    display: flex;
    gap: 1.5rem;
}

.main-menu a {
    color: var(--dark);
    font-weight: 500;
    position: relative;
}

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

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

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

.main-menu .btn {
    margin-left: 1rem;
}

.main-menu .btn::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--dark);
    transition: all 0.3s ease;
}

/* Hero Banner */
.hero {
    position: relative;
    padding: 10rem 0 6rem;
    background-color: var(--primary-light);
    background-size: cover;
    background-position: center;
    color: var(--dark);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.hero h1 {
    margin-bottom: 1.5rem;
    font-size: 3rem;
    color: var(--primary-dark);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

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

.text-left h2::after {
    left: 0;
    transform: none;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    padding: 2rem;
    text-align: center;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    margin-bottom: 1.5rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    margin-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

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

.stat-label {
    font-size: 0.9rem;
    color: var(--medium);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.project-image {
    height: 220px;
    overflow: hidden;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.project-tags span {
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: var(--border-radius-sm);
    font-size: 0.8rem;
}

/* Testimonials Section */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.testimonial-content {
    margin-bottom: 1.5rem;
}

.testimonial-content p {
    font-style: italic;
    position: relative;
    padding: 0 1rem;
}

.testimonial-content p::before,
.testimonial-content p::after {
    content: '"';
    font-size: 1.5rem;
    color: var(--primary-light);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-info h4 {
    margin-bottom: 0.25rem;
    color: var(--primary-dark);
}

.author-info p {
    font-size: 0.9rem;
    color: var(--medium);
    margin-bottom: 0;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.blog-image {
    height: 200px;
    overflow: hidden;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    display: block;
    font-size: 0.9rem;
    color: var(--medium);
    margin-bottom: 0.5rem;
}

.blog-content h3 {
    margin-bottom: 0.5rem;
    color: var(--primary-dark);
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    margin-top: 1rem;
}

.read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform var(--transition-normal);
}

.read-more:hover::after {
    transform: translateX(5px);
}

/* Newsletter Section */
.newsletter-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.newsletter-content h2 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.newsletter-form .form-group {
    display: flex;
    margin-bottom: 1rem;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    font-size: 1rem;
}

.newsletter-form button {
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.form-check input {
    margin-top: 0.3rem;
}

.form-check label {
    font-size: 0.9rem;
    color: var(--medium-dark);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
}

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

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

.info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: var(--border-radius-full);
}

.info-content h4 {
    margin-bottom: 0.25rem;
    color: var(--primary-dark);
}

.info-content p {
    margin-bottom: 0;
    color: var(--medium-dark);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--white);
    color: var(--primary-dark);
    border-radius: var(--border-radius-full);
    border: 1px solid var(--primary-light);
    transition: all var(--transition-normal);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Contact Form */
.contact-form {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--medium-dark);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--medium-light);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-normal);
}

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

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

/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 4rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-col p {
    color: var(--medium-light);
    margin-top: 1rem;
}

.footer-logo {
    margin-bottom: 1rem;
}

.footer-col h4 {
    position: relative;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--medium-light);
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.9rem;
    color: var(--medium-light);
}

/* Thank You Page */
.thank-you-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 8rem;
}

.thank-you-content {
    max-width: 700px;
    margin: 0 auto;
}

.thank-you-icon {
    margin-bottom: 2rem;
}

.thank-you-content h1 {
    color: var(--primary-dark);
    margin-bottom: 1.5rem;
}

.thank-you-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.thank-you-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Blog Pages */
.blog-header {
    background-color: var(--primary-light);
    padding: 8rem 0 4rem;
    margin-bottom: 3rem;
}

.blog-header h1 {
    color: var(--primary-dark);
}

.blog-header p {
    max-width: 800px;
    font-size: 1.2rem;
    margin-top: 1rem;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    color: var(--medium);
}

.article-meta div {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-content {
    max-width: 800px;
    margin: 0 auto;
    padding-top: 100px;
}

.article-content p,
.article-content ul,
.article-content ol {
    margin-bottom: 1.5rem;
}

.article-content h2,
.article-content h3 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-dark);
}

.article-content ul,
.article-content ol {
    padding-left: 1.5rem;
}

.article-content ul li,
.article-content ol li {
    margin-bottom: 0.5rem;
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

.article-image {
    margin: 2rem 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.article-share {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--medium-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.article-share-text {
    font-weight: 600;
    color: var(--dark);
}

.share-buttons {
    display: flex;
    gap: 1rem;
}

.share-buttons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius-full);
    background-color: var(--light);
    color: var(--medium-dark);
    transition: all var(--transition-normal);
}

.share-buttons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

.article-navigation {
    margin-top: 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.article-nav-item {
    padding: 1.5rem;
    background-color: var(--light);
    border-radius: var(--border-radius-md);
    transition: background-color var(--transition-normal);
}

.article-nav-item:hover {
    background-color: var(--primary-light);
}

.article-nav-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--medium);
    margin-bottom: 0.5rem;
}

.article-nav-item h4 {
    margin-bottom: 0;
    color: var(--primary-dark);
}

.article-nav-prev {
    text-align: left;
}

.article-nav-next {
    text-align: right;
}

/* Legal Pages */
.legal-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 8rem 0 4rem;
}

.legal-content h1 {
    color: var(--primary-dark);
    margin-bottom: 2rem;
}

.legal-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.legal-content p,
.legal-content ul,
.legal-content ol {
    margin-bottom: 1.5rem;
}

.legal-content ul,
.legal-content ol {
    padding-left: 1.5rem;
}

.legal-content ul li,
.legal-content ol li {
    margin-bottom: 0.5rem;
}

.legal-content ul {
    list-style-type: disc;
}

.legal-content ol {
    list-style-type: decimal;
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

.legal-content a:hover {
    color: var(--primary-dark);
}

.legal-content .updated-date {
    font-style: italic;
    color: var(--medium);
    margin-bottom: 2rem;
}

/* ========= Responsive Styles ========= */
@media (max-width: 1024px) {
    .container {
        max-width: 90%;
    }
    
    .about-grid,
    .newsletter-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
    
    .main-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        z-index: 1001;
    }
    
    .main-menu.active {
        right: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
        z-index: 1002;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .hero-buttons,
    .thank-you-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .services-grid,
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .article-navigation {
        grid-template-columns: 1fr;
    }
    
    .article-nav-next {
        text-align: left;
    }
}