/* ===================================
   Global Styles & CSS Variables
   =================================== */
:root {
    --primary-color: #2E7D32;
    --primary-dark: #1B5E20;
    --primary-light: #4CAF50;
    --secondary-color: #0277BD;
    --secondary-dark: #01579B;
    --secondary-light: #03A9F4;
    --accent-color: #FFC107;
    --text-dark: #212121;
    --text-light: #757575;
    --text-white: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

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

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

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

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

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

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

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

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

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

/* ===================================
   Header & Navigation
   =================================== */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    position: relative;
}

.logo {
    position: absolute;
    left: 0;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.logo i {
    font-size: 2rem;
    color: var(--secondary-color);
}

.nav-menu {
    display: flex;
    gap: 25px;
    align-items: center;
}

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

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

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

.btn-contact {
    background: var(--primary-color);
    color: white !important;
    padding: 10px 24px;
    border-radius: var(--border-radius);
}

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

.btn-contact::after {
    display: none;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===================================
   Hero Section with Slider
   =================================== */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Hero Slider Container */
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Individual Slides */
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Hero Overlay */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(46, 125, 50, 0.75) 0%,
        rgba(2, 119, 189, 0.65) 100%
    );
    z-index: 1;
}

/* Slider Navigation Dots */
.hero-slider-nav {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 15px;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.slider-dot.active {
    background: var(--text-white);
    border-color: var(--text-white);
    transform: scale(1.3);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-white);
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

.hero-scroll a {
    color: var(--text-white);
    font-size: 2rem;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===================================
   Services Overview
   =================================== */
.services-overview {
    padding: 40px 0;
    background: var(--bg-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.service-icon i {
    font-size: 2.5rem;
    color: var(--text-white);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-card > p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    margin: 25px 0;
    padding-left: 0;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-features i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

.service-card .btn {
    width: 100%;
    margin-top: 20px;
}

/* ===================================
   Why Choose Us
   =================================== */
.why-choose-us {
    padding: 40px 0;
    background: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.benefit-item {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
}

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

.benefit-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--secondary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.benefit-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.benefit-item h3 {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.benefit-item p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Video Container */
.video-container {
    margin-top: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.video-container video {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

/* ===================================
   FAQ Section
   =================================== */
.faq-section {
    padding: 80px 0;
    background: var(--bg-light);
}

.faq-container {
    max-width: 900px;
    margin: 0 auto -40px;
}

.faq-item {
    background: white;
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: white;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-question:hover {
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.05), rgba(33, 150, 243, 0.05));
}

.faq-question span {
    flex: 1;
    line-height: 1.5;
}

.faq-question i {
    font-size: 1rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 30px;
}

.faq-answer.active {
    max-height: 500px;
    padding: 0 30px 25px 30px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1rem;
    margin: 0;
}

/* ===================================
   Target Groups
   =================================== */
.target-groups {
    padding: 40px 0;
    background: var(--bg-white);
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.group-card {
    background: var(--bg-light);
    padding: 35px;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.group-card:hover {
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
}

.group-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.group-icon i {
    font-size: 1.75rem;
    color: var(--text-white);
}

.group-card h3 {
    font-size: 1.375rem;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.group-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.cta-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    padding: 50px 40px;
    border-radius: var(--border-radius);
    text-align: center;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
}

.cta-box h3 {
    font-size: 2rem;
    margin-bottom: 25px;
}

.cta-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    animation: pulse 2s ease-in-out infinite;
}

.cta-badge i {
    margin-right: 8px;
    font-size: 1.1rem;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    min-width: 280px;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-large i {
    margin-right: 10px;
    font-size: 1.2rem;
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* ===================================
   Contact Form Section
   =================================== */
.contact-form-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.form-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

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

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

.form-group .field-hint {
    display: block;
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--text-light);
    font-style: italic;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) {
    border-color: #f44336;
    background-color: #fff5f5;
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #4caf50;
}

.form-group input:invalid:not(:placeholder-shown) + .field-hint,
.form-group textarea:invalid:not(:placeholder-shown) + .field-hint {
    color: #f44336;
    font-weight: 600;
}

.form-group input:invalid:focus,
.form-group textarea:invalid:focus {
    border-color: #f44336;
    box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.form-group textarea {
    resize: vertical;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.error-message {
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: 5px;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #d32f2f;
}

.form-group.error .error-message {
    display: block;
}

.btn-submit {
    width: 100%;
    position: relative;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 10px;
}

.success-message {
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #4caf50;
}

.error-message-box {
    background: #ffebee;
    color: #c62828;
    border: 1px solid #f44336;
}

.form-message i {
    font-size: 1.5rem;
}

/* Contact Info Sidebar */
.contact-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    height: fit-content;
}

.contact-info h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.info-item i {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    flex-shrink: 0;
}

.info-item strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.info-item p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.info-item a {
    transition: var(--transition);
}

.info-item a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--text-dark);
    color: var(--text-white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 20px;
    color: var(--text-white);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* ===================================
   Back to Top Button
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--text-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .logo {
        position: static;
    }
    
    .nav-wrapper {
        justify-content: space-between;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 40px 20px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }
    
    .services-grid,
    .groups-grid {
        grid-template-columns: 1fr;
    }
    
    .form-wrapper {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Solar Configurator - Multi-Step Form
   ================================ */

.solar-configurator {
    padding: 30px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e3e9f0 100%);
}

.configurator-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 30px;
    align-items: stretch;
}

.configurator-wrapper {
    background: white;
    border-radius: 20px;
    padding: 50px;
    box-shadow: var(--shadow-lg);
}

.contact-sidebar {
    display: flex;
    flex-direction: column;
}

.contact-info-box {
    background: white;
    border-radius: 20px;
    padding: 35px 30px;
    box-shadow: var(--shadow-lg);
    border: 2px solid #e0e0e0;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.contact-info-box h3 {
    color: var(--text-dark);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.sidebar-intro {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 25px;
    line-height: 1.5;
}

.contact-info-box .info-item {
    display: flex;
    gap: 15px;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}

.contact-info-box .info-item:last-of-type {
    border-bottom: none;
}

.contact-info-box .info-item i {
    font-size: 1.25rem;
    color: white;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    width: 45px;
    height: 45px;
    min-width: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.25);
    flex-shrink: 0;
}

.contact-info-box .info-item strong {
    display: block;
    color: var(--text-dark);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.contact-info-box .info-item p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

.contact-info-box .info-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info-box .info-item a:hover {
    color: var(--primary-color);
}

.sidebar-cta {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 2px solid #f0f0f0;
}

.sidebar-cta p {
    color: var(--text-dark);
    margin-bottom: 15px;
    text-align: center;
}

.btn-block {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.125rem;
    padding: 16px 32px;
}

/* Progress Bar */
.progress-container {
    margin-bottom: 50px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 30px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 20%;
    transition: width 0.4s ease;
    border-radius: 10px;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex: 1;
    position: relative;
}

.step-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e0e0e0;
    color: #9e9e9e;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.progress-step.active .step-circle {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 152, 0, 0.4);
}

.progress-step.completed .step-circle {
    background: var(--secondary-color);
    color: white;
}

.progress-step span {
    font-size: 0.875rem;
    color: #666;
    font-weight: 500;
    text-align: center;
}

.progress-step.active span {
    color: var(--primary-color);
    font-weight: 700;
}

/* Form Steps */
.config-form {
    position: relative;
    min-height: 400px;
}

.form-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.form-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-step h3 {
    color: var(--text-dark);
    font-size: 1.75rem;
    margin-bottom: 30px;
    text-align: center;
}

/* Option Cards */
.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.option-card {
    position: relative;
    cursor: pointer;
}

.option-card input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.option-content {
    border: 2px solid #e0e0e0;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.option-content i {
    font-size: 3rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.option-content h4 {
    color: var(--text-dark);
    font-size: 1.125rem;
    margin: 0;
    font-weight: 600;
}

.option-content p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

.option-card:hover .option-content {
    border-color: var(--primary-color);
    box-shadow: 0 5px 20px rgba(255, 152, 0, 0.2);
    transform: translateY(-3px);
}

.option-card input[type="radio"]:checked + .option-content {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(255, 152, 0, 0.1), rgba(33, 150, 243, 0.1));
    box-shadow: 0 5px 25px rgba(255, 152, 0, 0.3);
}

.option-card input[type="radio"]:checked + .option-content i {
    transform: scale(1.1);
}

/* Contact Fields */
.contact-fields {
    max-width: 700px;
    margin: 0 auto;
}

.contact-fields .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.contact-fields .form-row:has(> :only-child) {
    grid-template-columns: 1fr;
}

.contact-fields .form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dark);
    font-weight: 500;
}

.contact-fields .form-group input,
.contact-fields .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.contact-fields .form-group input:focus,
.contact-fields .form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 152, 0, 0.1);
}

.checkbox-group {
    margin-top: 25px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-light);
}

.checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Form Navigation */
.form-navigation {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.form-navigation .btn {
    min-width: 160px;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    font-size: 1rem;
    padding: 14px 32px;
    font-weight: 600;
}

#nextBtn,
#submitBtn {
    margin-left: auto;
}

/* Success/Error Messages */
.success-message-box,
.error-message-box {
    margin-top: 30px;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
}

.success-message-box {
    background: #e8f5e9;
    border: 2px solid #4caf50;
    color: #2e7d32;
}

.success-message-box i {
    font-size: 3rem;
    color: #4caf50;
    margin-bottom: 15px;
}

.success-message-box h4 {
    color: #2e7d32;
    margin: 15px 0 10px;
    font-size: 1.5rem;
}

.success-message-box p {
    color: #2e7d32;
    margin: 0;
}

/* Responsive Styles for Configurator */
@media (max-width: 992px) {
    .configurator-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-sidebar {
        order: 2;
    }
    
    .configurator-wrapper {
        padding: 40px 30px;
        order: 1;
    }
    
    .progress-steps {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .progress-step {
        flex: 0 0 calc(50% - 8px);
    }
    
    .progress-step span {
        font-size: 0.75rem;
    }
    
    .step-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .option-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .hero-slider-nav {
        bottom: 80px;
    }
    
    .slider-dot {
        width: 12px;
        height: 12px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    /* FAQ Mobile Styles */
    .faq-section {
        padding: 40px 0;
    }
    
    .faq-question {
        padding: 20px 20px;
        font-size: 1rem;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .faq-answer.active {
        padding: 0 20px 20px 20px;
    }
    
    /* Configurator Mobile Styles */
    .configurator-wrapper {
        padding: 30px 20px;
    }
    
    .contact-info-box {
        padding: 25px 20px;
    }
    
    .option-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-fields .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-navigation {
        flex-direction: column;
    }
    
    .form-navigation .btn {
        width: 100%;
        margin-left: 0 !important;
        min-width: auto;
    }
    
    #prevBtn {
        order: 2;
    }
    
    #nextBtn,
    #submitBtn {
        order: 1;
    }
}

/* Shake Animation for validation errors */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .service-card,
    .contact-form,
    .contact-info {
        padding: 25px;
    }
    
    .cta-box {
        padding: 35px 25px;
    }
    
    .cta-box h3 {
        font-size: 1.5rem;
    }
    
    .cta-badge {
        font-size: 0.85rem;
        padding: 8px 18px;
    }
    
    .btn-large {
        width: 100%;
        max-width: 400px;
        padding: 16px 30px;
        font-size: 1rem;
    }
    
    /* Configurator Extra Small Mobile Styles */
    .form-step h3 {
        font-size: 1.375rem;
    }
    
    .option-content {
        padding: 20px 15px;
    }
    
    .option-content i {
        font-size: 2.5rem;
    }
}