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

:root {
    /* Zelvia Brand Colors */
    --zelvia-purple: hsl(258, 90%, 66%);
    --zelvia-blue: hsl(217, 91%, 60%);
    --zelvia-blue-dark: hsl(258, 90%, 66%);
    --zelvia-teal: hsl(195, 85%, 41%);
    --golden-star: hsl(45, 93%, 58%);
    
    /* Neutral Colors */
    --background: hsl(0, 0%, 100%);
    --foreground: hsl(210, 25%, 7.8431%);
    --card: hsl(180, 6.6667%, 97.0588%);
    --border: hsl(201.4286, 30.4348%, 90.9804%);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--zelvia-blue) 0%, var(--zelvia-blue-dark) 100%);
    
    /* Typography */
    --font-sans: 'Inter', 'Poppins', sans-serif;
    --font-serif: Georgia, serif;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 4rem 0;
    --card-padding: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--foreground);
    background-color: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Utility Classes */
.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
}

/* Header Styles */
.header {
    background: var(--background);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--zelvia-purple);
    text-decoration: none;
}

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

.nav-desktop a {
    text-decoration: none;
    color: var(--foreground);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-desktop a:hover {
    color: var(--zelvia-blue);
}

.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--background);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    min-width: 16rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--foreground);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: hsl(210, 25%, 96%);
    color: var(--zelvia-blue);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--foreground);
}

/* Mobile Search */
.mobile-search {
    padding: 0 1rem 1rem;
    display: none;
}

.search-container {
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--background);
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--zelvia-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: hsl(210, 25%, 45%);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--background);
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
    max-height: 18.75rem;
    overflow-y: auto;
    z-index: 1001;
    display: none;
}

.search-results.show {
    display: block;
}

.search-result-item {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
}

.search-result-item:hover {
    background: hsl(210, 25%, 96%);
}

.search-result-item:last-child {
    border-bottom: none;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--background);
    z-index: 1002;
    transform: translateX(-100%);
    transition: var(--transition);
}

.mobile-nav.open {
    transform: translateX(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.mobile-nav-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--zelvia-purple);
}

.mobile-nav-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--foreground);
}

.mobile-nav-links {
    padding: 1rem;
}

.mobile-nav-links a {
    display: block;
    padding: 1rem 0;
    color: var(--foreground);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    color: var(--zelvia-blue);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: var(--section-padding);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 50rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-search {
    max-width: 32rem;
    margin: 0 auto 2rem;
}

.hero-search .search-input {
    padding: 1rem 1rem 1rem 3rem;
    font-size: 1.125rem;
    border: 2px solid transparent;
    color: var(--foreground);
}

.hero-search .search-input:focus {
    border-color: white;
}

.trust-indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

.trust-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.trust-item i {
    width: 1.25rem;
    height: 1.25rem;
}

.golden-star {
    color: var(--golden-star) !important;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

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

.btn-newsletter {
    background: var(--zelvia-teal);
    color: white;
    border-color: var(--zelvia-teal);
    border-radius: 0 50px 50px 0;
}

.btn-newsletter:hover {
    background: hsl(195, 85%, 35%);
    border-color: hsl(195, 85%, 35%);
}

/* Why Choose Section */
.why-choose {
    padding: var(--section-padding);
    background: var(--background);
    text-align: center;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--foreground);
}

.section-description {
    font-size: 1.125rem;
    color: hsl(210, 25%, 45%);
    max-width: 50rem;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* Categories Section */
.categories {
    padding: var(--section-padding);
    background: hsl(210, 25%, 97%);
}

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

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

.category-card {
    background: var(--background);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    position: relative;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
}

.category-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: hsl(0, 84%, 60%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 10;
}

.category-card img {
    width: 100%;
    height: 12rem;
    object-fit: cover;
    transition: var(--transition);
}

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

.category-content {
    padding: var(--card-padding);
}

.category-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.category-content p {
    color: hsl(210, 25%, 45%);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.category-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--zelvia-blue);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.category-link:hover {
    color: var(--zelvia-blue-dark);
}

.category-link i {
    width: 1rem;
    height: 1rem;
}

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

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    text-align: center;
}

.trust-indicator {
    padding: var(--card-padding);
}

.trust-icon {
    width: 4rem;
    height: 4rem;
    background: var(--zelvia-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.trust-icon i {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.trust-indicator h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.trust-indicator p {
    color: hsl(210, 25%, 45%);
    font-size: 0.9rem;
}

/* Reviews Section */
.reviews {
    padding: var(--section-padding);
    background: hsl(210, 25%, 97%);
}

.overall-rating {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    display: flex;
    gap: 0.25rem;
}

.star-filled {
    color: var(--golden-star);
    width: 1rem;
    height: 1rem;
}

.rating-text {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
}

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

.review-card {
    background: var(--background);
    padding: var(--card-padding);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.review-card .stars {
    margin-bottom: 1rem;
}

.review-card p {
    font-style: italic;
    margin-bottom: 1rem;
    color: hsl(210, 25%, 35%);
    line-height: 1.6;
}

.reviewer-info {
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.reviewer-name {
    font-weight: 600;
    color: var(--foreground);
}

.reviewer-title {
    font-size: 0.875rem;
    color: hsl(210, 25%, 45%);
}

/* Newsletter Section */
.newsletter {
    padding: var(--section-padding);
    background: var(--gradient-primary);
    color: white;
    text-align: center;
}

.newsletter .section-title {
    color: white;
}

.newsletter .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
    display: flex;
    max-width: 24rem;
    margin: 2rem auto 1rem;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.newsletter-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    font-size: 1rem;
    background: var(--background);
    color: var(--foreground);
}

.newsletter-input:focus {
    outline: none;
}

.newsletter-privacy {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: hsl(210, 25%, 8%);
    color: white;
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--zelvia-purple);
    margin-bottom: 1rem;
}

.footer-description {
    color: hsl(210, 25%, 75%);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: hsl(210, 25%, 75%);
}

.contact-item i {
    width: 1rem;
    height: 1rem;
    color: var(--zelvia-blue);
}

.footer-links h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: hsl(210, 25%, 75%);
    text-decoration: none;
    transition: var(--transition);
}

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

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: hsl(210, 25%, 15%);
    border-radius: 50%;
    color: hsl(210, 25%, 75%);
    transition: var(--transition);
}

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

.social-links i {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-bottom {
    border-top: 1px solid hsl(210, 25%, 15%);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: hsl(210, 25%, 75%);
}

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 1.25rem;
    right: 1rem;
    z-index: 1050;
}

.chat-window {
    width: 20rem;
    margin-bottom: 1rem;
    background: var(--background);
    border-radius: 1rem;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.25);
    display: none;
    overflow: hidden;
}

.chat-window.open {
    display: block;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-agent-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.agent-avatar {
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.agent-avatar i {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--zelvia-blue);
}

.online-indicator {
    position: absolute;
    bottom: -2px;
    right: -2px;
    width: 0.75rem;
    height: 0.75rem;
    background: hsl(142, 76%, 36%);
    border: 2px solid white;
    border-radius: 50%;
}

.agent-details {
    flex: 1;
}

.agent-name {
    font-weight: 600;
    font-size: 0.875rem;
}

.agent-status {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    opacity: 0.9;
}

.status-dot {
    width: 0.5rem;
    height: 0.5rem;
    background: hsl(142, 76%, 36%);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: var(--transition);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-close i {
    width: 1rem;
    height: 1rem;
}

.chat-body {
    height: 20rem;
    overflow-y: auto;
    padding: 1rem;
    background: hsl(210, 25%, 97%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.chat-message {
    max-width: 80%;
}

.bot-message {
    align-self: flex-start;
}

.user-message {
    align-self: flex-end;
}

.agent-message {
    align-self: flex-start;
}

.message-sender {
    font-size: 0.75rem;
    color: hsl(210, 25%, 45%);
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.premium-badge {
    background: hsl(142, 76%, 36%);
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: 50px;
    font-size: 0.625rem;
    font-weight: 600;
}

.message-content {
    background: var(--background);
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    font-size: 0.875rem;
    line-height: 1.4;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border);
}

.user-message .message-content {
    background: var(--zelvia-blue);
    color: white;
    border-color: var(--zelvia-blue);
    border-bottom-right-radius: 0.25rem;
}

.agent-message .message-content {
    background: hsl(142, 76%, 95%);
    border-color: hsl(142, 76%, 80%);
    border-bottom-left-radius: 0.25rem;
}

.message-time {
    font-size: 0.625rem;
    color: hsl(210, 25%, 45%);
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.user-message .message-time {
    justify-content: flex-end;
}

.message-status i {
    width: 0.75rem;
    height: 0.75rem;
}

.quick-replies {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quick-reply-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--zelvia-blue);
    color: white;
    border: 1px solid var(--zelvia-blue);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.quick-reply-btn:hover {
    background: var(--zelvia-blue-dark);
    border-color: var(--zelvia-blue-dark);
}

.premium-agent-btn {
    background: linear-gradient(135deg, hsl(142, 76%, 36%) 0%, hsl(142, 76%, 30%) 100%);
    border-color: hsl(142, 76%, 36%);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.premium-agent-btn:hover {
    background: linear-gradient(135deg, hsl(142, 76%, 30%) 0%, hsl(142, 76%, 25%) 100%);
    border-color: hsl(142, 76%, 30%);
}

.quick-reply-btn i {
    width: 1rem;
    height: 1rem;
}

.typing-indicator {
    align-self: flex-start;
    max-width: 80%;
}

.typing-dots {
    background: var(--background);
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border);
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.dot {
    width: 0.5rem;
    height: 0.5rem;
    background: hsl(210, 25%, 45%);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out;
}

.dot:nth-child(2) {
    animation-delay: 0.2s;
}

.dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

.chat-input-container {
    display: flex;
    padding: 1rem;
    background: var(--background);
    border-top: 1px solid var(--border);
}

.chat-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 1.5rem;
    font-size: 0.875rem;
    background: var(--background);
    transition: var(--transition);
}

.chat-input:focus {
    outline: none;
    border-color: var(--zelvia-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.send-btn {
    margin-left: 0.5rem;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--zelvia-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.send-btn:hover {
    background: var(--zelvia-blue-dark);
}

.send-btn i {
    width: 1rem;
    height: 1rem;
}

.chat-toggle {
    width: 4rem;
    height: 4rem;
    background: var(--zelvia-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.chat-toggle:hover {
    background: var(--zelvia-blue-dark);
    transform: scale(1.05);
}

.chat-toggle i {
    width: 1.5rem;
    height: 1.5rem;
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: 6rem;
    right: 1rem;
    width: 3rem;
    height: 3rem;
    background: var(--zelvia-blue);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    z-index: 1000;
}

.scroll-top.show {
    display: flex;
}

.scroll-top:hover {
    background: var(--zelvia-blue-dark);
    transform: translateY(-2px);
}

.scroll-top i {
    width: 1.25rem;
    height: 1.25rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    :root {
        --section-padding: 2rem 0;
        --card-padding: 1rem;
    }
    
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-search {
        display: block;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        min-width: 200px;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .reviews-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
        border-radius: 0.5rem;
    }
    
    .newsletter-input {
        border-radius: 0.5rem 0.5rem 0 0;
    }
    
    .btn-newsletter {
        border-radius: 0 0 0.5rem 0.5rem;
    }
    
    .chat-widget {
        bottom: 1rem;
        right: 0.5rem;
    }
    
    .chat-window {
        width: calc(100vw - 2rem);
        max-width: 20rem;
    }
    
    .scroll-top {
        bottom: 5.5rem;
        right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .trust-indicators {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .trust-item {
        font-size: 0.75rem;
        flex-direction: column;
        gap: 0.25rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--zelvia-blue);
    outline-offset: 2px;
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}