/* ==========================================================================
   Trusty Movers - Professional Landing Page Styles
   Font: Inter + Poppins | Color: Professional Blue & Green
   ========================================================================== */

/* Custom Properties - Professional Color Scheme */
:root {
    --primary-color: #0066FF;
    --primary-dark: #0047B3;
    --primary-light: #3385FF;
    --secondary-color: #25D366;
    --accent-color: #FFB800;
    --text-dark: #1A1A1A;
    --text-light: #666666;
    --text-lighter: #999999;
    --bg-light: #F8F9FA;
    --bg-lighter: #FAFBFC;
    --white: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.20);
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --border-radius-lg: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1280px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: clamp(2.5rem, 6vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4.5vw, 3rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1.0625rem;
}

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

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

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    border-radius: var(--border-radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
}

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

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

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

.btn-whatsapp:hover {
    background: #1DA851;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

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

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 2rem;
}

.nav-brand .logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    letter-spacing: -0.02em;
}

.logo-trusty {
    color: var(--primary-color);
}

.logo-movers {
    color: var(--text-dark);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    position: relative;
    font-size: 1rem;
}

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

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

.nav-cta {
    display: flex;
    gap: 1rem;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    width: 28px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.6) 0%, rgba(0, 71, 179, 0.8) 100%);
}

.hero-content {
    padding: 4rem 0;
    position: relative;
    z-index: 1;
}

.hero-text {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: var(--white);
}

.gradient-text {
    background: linear-gradient(135deg, #FFB800, #FFF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.375rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--white);
    font-weight: 600;
}

.feature-item svg {
    color: var(--accent-color);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9375rem;
    font-weight: 500;
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 5rem;
}

.section-badge {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    background: rgba(0, 102, 255, 0.08);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    font-family: 'Poppins', sans-serif;
}

.section-title {
    margin-bottom: 1.25rem;
}

.section-description {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Services Section */
.services {
    background: var(--bg-lighter);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    position: relative;
    border: 1px solid var(--border-color);
}

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

.service-card.featured {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent-color);
    color: var(--text-dark);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    z-index: 2;
    letter-spacing: 0.03em;
}

.service-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
}

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

.service-card:hover .service-image img {
    transform: scale(1.05);
}

.service-content {
    padding: 2rem;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 71, 179, 0.1));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.service-icon svg {
    color: var(--primary-color);
}

.service-title {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.5rem;
}

.service-description {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1rem;
}

.service-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.service-features li {
    padding: 0.625rem 0;
    color: var(--text-light);
    font-size: 0.9375rem;
}

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Poppins', sans-serif;
}

.service-link:hover {
    gap: 0.875rem;
}

/* Calculator Section */
.calculator {
    background: var(--bg-light);
}

.calculator-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.calculator-form {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.625rem;
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    font-size: 0.9375rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    width: 100%;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.1);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    cursor: pointer;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.checkbox-label:hover {
    border-color: var(--primary-color);
    background: rgba(0, 102, 255, 0.02);
}

.checkbox-label input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.calculator-result {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: var(--border-radius);
    padding: 3rem;
    color: var(--white);
    text-align: center;
}

.result-content h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--white);
}

.price-range {
    margin-bottom: 2rem;
}

.price {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.result-note {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.result-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

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

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

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

.info-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.info-card h3 {
    margin-bottom: 1.25rem;
    color: var(--text-dark);
    font-size: 1.25rem;
}

.info-card ul {
    list-style: none;
}

.info-card ul li {
    padding: 0.625rem 0;
    color: var(--text-light);
}

.quick-contact-btns {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    margin-top: 1rem;
}

/* Why Choose Us */
.why-choose {
    background: var(--white);
}

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

.feature-card {
    text-align: center;
    padding: 2.5rem;
    background: var(--bg-lighter);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--white);
}

.feature-icon {
    font-size: 3.5rem;
    margin-bottom: 1.25rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-size: 1.25rem;
}

.feature-card p {
    font-size: 1rem;
}

/* About Section */
.about {
    background: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 2.5rem 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.about-feature svg {
    color: var(--secondary-color);
    flex-shrink: 0;
}

.about-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Testimonials */
.testimonials {
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: var(--bg-lighter);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    transition: var(--transition);
    border: 2px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--white);
}

.testimonial-rating {
    margin-bottom: 1.25rem;
    font-size: 1.5rem;
}

.testimonial-text {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
    font-style: italic;
    line-height: 1.7;
    font-size: 1.0625rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.testimonial-author strong {
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    font-size: 1.0625rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 4rem;
    padding: 3rem 0;
    border-top: 2px solid var(--border-color);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.badge-icon {
    width: 60px;
    height: 60px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    color: var(--text-dark);
    font-size: 1.25rem;
    font-family: 'Poppins', sans-serif;
}

.badge-text span {
    color: var(--text-light);
    font-size: 1rem;
}

/* Service Areas */
.service-areas {
    background: var(--bg-lighter);
}

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

.area-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.area-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.area-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.area-card p {
    font-size: 1rem;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: var(--bg-lighter);
    border-radius: var(--border-radius);
    padding: 3rem;
}

.form-privacy {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 1.25rem;
}

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

.form-success {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.success-icon {
    width: 90px;
    height: 90px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.form-success h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 2rem;
}

.form-success p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.btn-loader {
    display: inline-flex;
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bg-lighter);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.contact-method:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.method-icon {
    font-size: 2rem;
}

.method-text {
    display: flex;
    flex-direction: column;
}

.method-text strong {
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
    margin-bottom: 0.25rem;
}

.method-text span {
    color: var(--text-light);
    font-size: 0.9375rem;
}

.business-hours {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hours-row {
    display: flex;
    justify-content: space-between;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border-color);
}

.hours-row:last-of-type {
    border-bottom: none;
}

.hours-row span {
    color: var(--text-light);
}

.hours-row strong {
    color: var(--text-dark);
    font-family: 'Poppins', sans-serif;
}

.hours-note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px solid var(--border-color);
    font-size: 0.9375rem;
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1A1A1A;
    color: rgba(255, 255, 255, 0.8);
    padding: 5rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-col h3,
.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.footer-title {
    font-size: 1.75rem;
}

.footer-description {
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
}

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

.social-links a {
    width: 48px;
    height: 48px;
    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(-4px);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.875rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 6px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact svg {
    color: var(--primary-color);
    flex-shrink: 0;
}

.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-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
}

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

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .calculator-wrapper,
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-stats {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    section {
        padding: 4rem 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 82px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 82px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        padding: 2rem;
        box-shadow: var(--shadow-md);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-link {
        display: block;
        padding: 1rem 0;
    }
    
    .nav-cta {
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .services-grid,
    .features-grid,
    .testimonials-grid,
    .areas-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-legal {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 3rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Loading State */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading .btn-text {
    display: none;
}

.loading .btn-loader {
    display: inline-flex;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-primary { color: var(--primary-color); }