/* ==========================================
   Smart Glass Basel - Main Stylesheet
   ========================================== */

/* CSS Variables */
:root {
    --primary-color: #2563eb;
    --secondary-color: #f97316;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --success: #10b981;
    --danger: #ef4444;
    --white: #ffffff;
    
    --font-primary: 'Inter', sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    justify-content: center;
}

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

.btn-primary:hover {
    background: #ea580c;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 2px solid var(--dark);
}

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

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

.logo i {
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--dark);
}

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

.btn-nav {
    padding: 0.5rem 1.25rem;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: var(--radius-md);
}

.btn-nav:hover {
    background: #ea580c;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    flex-direction: column;
    gap: 1rem;
    z-index: 999;
}

.mobile-menu a {
    padding: 0.75rem;
    border-bottom: 1px solid var(--light);
    font-weight: 500;
}

.mobile-menu.active {
    display: flex;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    color: var(--white);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?w=1920');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 58, 138, 0.9) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.badge-3m {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    font-weight: 600;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.hero-tagline {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.hero-tagline span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 500;
}

.hero-tagline i {
    color: var(--secondary-color);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.trust-item i {
    color: var(--secondary-color);
    font-size: 1.25rem;
}

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

.scroll-indicator i {
    font-size: 2rem;
    color: var(--white);
}

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

/* Section Styling */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Problems-Solutions Section */
.problems-solutions {
    background: var(--light);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

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

.solution-card.highlighted {
    border: 2px solid var(--secondary-color);
}

.problem {
    margin-bottom: 1.5rem;
}

.problem-icon {
    font-size: 2.5rem;
    color: var(--danger);
    margin-bottom: 1rem;
}

.problem h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.problem p {
    color: var(--gray);
    margin: 0;
}

.arrow {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 1rem 0;
}

.solution-icon {
    font-size: 2rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.solution h4 {
    font-size: 1.125rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.solution p {
    color: var(--gray);
    font-size: 0.95rem;
    margin: 0;
}

.badge-new {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 700;
}

/* Packages Section */
.packages {
    background: var(--white);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.package-card {
    background: var(--white);
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

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

.package-card.featured {
    border-color: var(--primary-color);
    border-width: 3px;
    background: linear-gradient(135deg, #f0f9ff 0%, #dbeafe 100%);
}

.recommended-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.package-header h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.package-subtitle {
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.package-price {
    text-align: center;
    margin: 1.5rem 0;
}

.price-from {
    font-size: 0.875rem;
    color: var(--gray);
}

.price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
}

.price-unit {
    font-size: 1rem;
    color: var(--gray);
}

.price-custom {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.package-features {
    list-style: none;
    margin: 2rem 0;
    flex-grow: 1;
}

.package-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.package-features li:last-child {
    border-bottom: none;
}

.package-features i {
    color: var(--success);
    font-size: 1.25rem;
}

/* Calculator Section */
.calculator {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: var(--white);
}

.calculator-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: 3rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.calculator-header {
    text-align: center;
    margin-bottom: 2rem;
}

.calculator-header h2 {
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.calculator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 600;
    font-size: 0.95rem;
}

.input-group input,
.input-group select {
    padding: 0.75rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark);
}

.calculator-result {
    background: rgba(255, 255, 255, 0.95);
    color: var(--dark);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.result-area,
.result-price {
    margin-bottom: 1.5rem;
}

.result-area p,
.result-price p {
    font-size: 0.95rem;
    color: var(--gray);
    margin-bottom: 0.5rem;
}

.result-area h3,
.result-price h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

.result-price small {
    color: var(--gray);
    font-size: 0.85rem;
}

/* Savings Calculator */
.savings-calculator {
    background: var(--light);
}

.savings-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.savings-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.savings-result {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.result-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a8a 100%);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
}

.result-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.result-card h3 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.savings-amount,
.savings-period,
.savings-co2 {
    font-size: 2.5rem;
    font-weight: 800;
}

/* References/Gallery */
.references {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.gallery-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.gallery-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.badge {
    background: var(--danger);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 0.875rem;
}

.badge-after {
    background: var(--success);
}

.gallery-info {
    padding: 1.5rem;
}

.gallery-info h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.gallery-info p {
    color: var(--gray);
    font-style: italic;
    margin-bottom: 0.5rem;
}

.client {
    display: block;
    font-size: 0.875rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Smart Showcase */
.smart-showcase {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
    color: var(--white);
}

.showcase-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.showcase-text h2,
.showcase-text h3 {
    color: var(--white);
}

.showcase-text h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.showcase-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    margin: 2rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    font-size: 1.125rem;
}

.feature-list i {
    color: var(--success);
    font-size: 1.5rem;
}

.smart-glass-demo {
    text-align: center;
}

.demo-window {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    border-radius: var(--radius-xl);
    padding: 4rem 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.demo-window.private {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
}

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

.window-content i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.window-content p {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.demo-toggle {
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.demo-toggle:hover {
    background: #ea580c;
    transform: scale(1.05);
}

/* Trust Section */
.trust-section {
    background: var(--light);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.rating i {
    color: #fbbf24;
    font-size: 1.25rem;
}

.trust-card p {
    font-style: italic;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.client-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.client-info strong {
    color: var(--dark);
    font-size: 1.125rem;
}

.client-info span {
    color: var(--gray);
    font-size: 0.875rem;
}

.certificates {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 3rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.cert-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    text-align: center;
}

.cert-item i {
    font-size: 3rem;
    color: var(--primary-color);
}

.cert-item span {
    font-weight: 600;
    color: var(--dark);
}

/* FAQ Section */
.faq-section {
    background: var(--white);
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid #e2e8f0;
    margin-bottom: 1rem;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.125rem;
    font-weight: 600;
    text-align: left;
    color: var(--dark);
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    color: var(--gray);
    line-height: 1.8;
}

/* Contact Section */
.contact-section {
    background: var(--light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h2 {
    margin-bottom: 1rem;
}

.contact-benefits {
    margin: 2rem 0;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
}

.benefit-item i {
    color: var(--success);
    font-size: 1.5rem;
}

.contact-methods {
    margin: 2rem 0;
}

.method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.method i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.method strong {
    display: block;
    margin-bottom: 0.25rem;
}

.method a {
    color: var(--primary-color);
    font-weight: 600;
}

.service-area {
    background: var(--white);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 2rem;
}

.service-area h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.service-area i {
    color: var(--secondary-color);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    margin-bottom: 2rem;
}

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

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.file-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    border: 2px dashed #e2e8f0;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-label:hover {
    border-color: var(--primary-color);
    background: var(--light);
}

.file-upload-label i {
    font-size: 2rem;
    color: var(--primary-color);
}

.file-upload-label input[type="file"] {
    display: none;
}

.form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--gray);
    font-size: 0.875rem;
}

.form-privacy {
    text-align: center;
    margin-top: 1rem;
}

.form-privacy a {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

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

.footer-col p {
    color: #94a3b8;
    line-height: 1.8;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: #94a3b8;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-col ul li i {
    margin-right: 0.5rem;
    color: var(--secondary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: #94a3b8;
    margin: 0;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #94a3b8;
}

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

/* Scroll to Top */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 999;
}

.scroll-to-top:hover {
    background: #ea580c;
    transform: translateY(-3px);
}

.scroll-to-top.visible {
    display: flex;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .showcase-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .calculator-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-tagline {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .solutions-grid,
    .packages-grid,
    .gallery-grid,
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .calculator-wrapper,
    .savings-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}