/* ============================================================
 * Quolla E-Bike Theme - Custom Stylesheet
 * Version: 1.0.0
 * 
 * Brand: Quolla
 * Target: Global Market
 * 
 * Color Palette:
 *   --quolla-primary: #1a1a2e (Dark Navy)
 *   --quolla-accent: #e94560 (Vibrant Red)
 *   --quolla-dark: #16213e
 *   --quolla-light: #f8f9fa
 *   --quolla-gray: #6c757d
 * ============================================================ */

/* ===== CSS VARIABLES ===== */
:root {
    --quolla-primary: #1a1a2e;
    --quolla-accent: #e94560;
    --quolla-dark: #16213e;
    --quolla-darker: #0f0f1e;
    --quolla-light: #f8f9fa;
    --quolla-gray: #6c757d;
    --quolla-gray-light: #e9ecef;
    --quolla-white: #ffffff;
    --quolla-success: #28a745;
    --quolla-whatsapp: #25d366;
    
    --quolla-font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --quolla-radius: 8px;
    --quolla-radius-lg: 16px;
    --quolla-transition: all 0.3s ease;
    --quolla-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --quolla-shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --quolla-shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    
    --quolla-container: 1200px;
    --quolla-header-height: 80px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--quolla-font);
    color: var(--quolla-dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--quolla-container);
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--quolla-primary);
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 20px;
    color: var(--quolla-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    margin: 0 0 1.5em;
}

/* ===== BUTTONS ===== */
.quolla-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--quolla-font);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--quolla-radius);
    cursor: pointer;
    transition: var(--quolla-transition);
    text-align: center;
    line-height: 1.4;
    letter-spacing: 0.3px;
}

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

.quolla-btn-primary:hover {
    background: var(--quolla-primary);
    border-color: var(--quolla-primary);
    color: var(--quolla-white);
    transform: translateY(-2px);
    box-shadow: var(--quolla-shadow-md);
}

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

.quolla-btn-outline:hover {
    background: var(--quolla-primary);
    color: var(--quolla-white);
    transform: translateY(-2px);
}

.quolla-btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.quolla-btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.quolla-btn-block {
    width: 100%;
    display: flex;
}

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--quolla-white);
    box-shadow: var(--quolla-shadow-sm);
}

.header-top {
    background: var(--quolla-primary);
    color: var(--quolla-white);
    font-size: 13px;
    padding: 6px 0;
}

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

.header-contact a {
    color: var(--quolla-white);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.header-contact a:hover {
    color: var(--quolla-accent);
}

.header-language {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-language a {
    color: var(--quolla-white);
    font-size: 12px;
}

.header-main {
    padding: 12px 0;
}

.header-main-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.site-branding {
    flex-shrink: 0;
}

.custom-logo-link {
    display: flex;
    text-decoration: none;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-quolla {
    font-size: 28px;
    font-weight: 800;
    color: var(--quolla-primary);
    letter-spacing: -1px;
}

.logo-tagline {
    font-size: 11px;
    font-weight: 500;
    color: var(--quolla-accent);
    letter-spacing: 3px;
    margin-top: 2px;
}

/* ===== NAVIGATION ===== */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-menu > li > a {
    color: var(--quolla-dark);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
}

.nav-menu > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--quolla-accent);
    transition: width 0.3s ease;
}

.nav-menu > li > a:hover::after,
.nav-menu > li.current-menu-item > a::after {
    width: 100%;
}

.nav-menu > li > a:hover {
    color: var(--quolla-accent);
}

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

.menu-toggle-icon span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--quolla-primary);
    border-radius: 2px;
    transition: var(--quolla-transition);
}

.header-actions {
    flex-shrink: 0;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--quolla-primary) 0%, var(--quolla-dark) 50%, var(--quolla-darker) 100%);
    color: var(--quolla-white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgba(233, 69, 96, 0.15) 0%, transparent 50%);
}

.hero-container {
    max-width: var(--quolla-container);
    margin: 0 auto;
    padding: 80px 20px;
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    background: rgba(233, 69, 96, 0.2);
    color: var(--quolla-accent);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--quolla-white);
}

.hero-line-1 {
    display: block;
}

.hero-line-2 {
    display: block;
    background: linear-gradient(90deg, var(--quolla-accent), #ff6b8a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.85);
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.hero-cta .quolla-btn-primary {
    background: var(--quolla-accent);
}

.hero-cta .quolla-btn-outline {
    color: var(--quolla-white);
    border-color: rgba(255, 255, 255, 0.5);
}

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

.hero-stats {
    display: flex;
    gap: 50px;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--quolla-accent);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

/* ===== SECTION GENERAL ===== */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    color: var(--quolla-accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-tag.light {
    color: var(--quolla-accent);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 16px;
}

.section-title.light {
    color: var(--quolla-white);
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--quolla-gray);
    line-height: 1.7;
}

.section-desc.light {
    color: rgba(255, 255, 255, 0.7);
}

.section-cta {
    text-align: center;
    margin-top: 40px;
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    background: var(--quolla-light);
}

.quolla-product-grid {
    display: grid;
    gap: 24px;
}

.quolla-grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.quolla-grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.quolla-product-card {
    background: var(--quolla-white);
    border-radius: var(--quolla-radius-lg);
    overflow: hidden;
    box-shadow: var(--quolla-shadow-sm);
    transition: var(--quolla-transition);
}

.quolla-product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--quolla-shadow-lg);
}

.product-link {
    display: block;
    color: inherit;
}

.product-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--quolla-gray-light);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--quolla-primary);
}

.product-category {
    display: inline-block;
    font-size: 12px;
    color: var(--quolla-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-excerpt {
    font-size: 14px;
    color: var(--quolla-gray);
    margin: 0 0 12px;
    line-height: 1.5;
}

.product-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--quolla-accent);
}

.quolla-contact-price {
    display: inline-block;
    padding: 4px 12px;
    background: var(--quolla-gray-light);
    border-radius: 4px;
    font-size: 13px;
    color: var(--quolla-gray);
    font-weight: 500;
}

/* ===== FEATURES SECTION ===== */
.features-section {
    background: var(--quolla-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    border-radius: var(--quolla-radius-lg);
    border: 1px solid var(--quolla-gray-light);
    transition: var(--quolla-transition);
}

.feature-card:hover {
    border-color: var(--quolla-accent);
    transform: translateY(-4px);
    box-shadow: var(--quolla-shadow-md);
}

.feature-icon {
    color: var(--quolla-accent);
    margin-bottom: 20px;
}

.feature-title {
    font-size: 1.125rem;
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 14px;
    color: var(--quolla-gray);
    line-height: 1.6;
    margin: 0;
}

/* ===== BRAND STORY SECTION ===== */
.brand-story-section {
    background: var(--quolla-light);
}

.brand-story-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.brand-story-list {
    list-style: none;
    padding: 0;
    margin: 20px 0 30px;
}

.brand-story-list li {
    padding: 8px 0 8px 28px;
    position: relative;
    color: var(--quolla-dark);
}

.brand-story-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--quolla-accent);
    font-weight: 700;
    font-size: 18px;
}

.brand-story-image {
    aspect-ratio: 4 / 3;
    border-radius: var(--quolla-radius-lg);
    overflow: hidden;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--quolla-gray-light), #dee2e6);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--quolla-gray);
    font-size: 16px;
    text-align: center;
    line-height: 1.6;
}

/* ===== MARKETS SECTION ===== */
.markets-section {
    background: var(--quolla-white);
}

.markets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.market-card {
    padding: 24px;
    background: var(--quolla-light);
    border-radius: var(--quolla-radius);
    text-align: center;
    transition: var(--quolla-transition);
    border: 2px solid transparent;
}

.market-card:hover {
    border-color: var(--quolla-accent);
    transform: translateY(-4px);
}

.market-flag {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--quolla-primary);
    margin-bottom: 8px;
}

.market-card p {
    font-size: 14px;
    color: var(--quolla-gray);
    margin: 0;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background: var(--quolla-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--quolla-white);
    padding: 30px;
    border-radius: var(--quolla-radius-lg);
    box-shadow: var(--quolla-shadow-sm);
}

.testimonial-stars {
    color: #ffc107;
    font-size: 18px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--quolla-dark);
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author strong {
    display: block;
    color: var(--quolla-primary);
    font-size: 15px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--quolla-gray);
}

/* ===== INQUIRY SECTION ===== */
.inquiry-section {
    background: linear-gradient(135deg, var(--quolla-primary) 0%, var(--quolla-darker) 100%);
    color: var(--quolla-white);
}

.inquiry-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.inquiry-contact-methods {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    color: var(--quolla-accent);
}

.contact-method > div {
    display: flex;
    flex-direction: column;
}

.contact-method strong {
    color: var(--quolla-white);
    font-size: 15px;
}

.contact-method span {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.inquiry-form-container {
    background: var(--quolla-white);
    padding: 40px;
    border-radius: var(--quolla-radius-lg);
    box-shadow: var(--quolla-shadow-lg);
}

/* ===== INQUIRY FORM ===== */
.quolla-inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--quolla-primary);
    margin-bottom: 6px;
}

.required {
    color: var(--quolla-accent);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 16px;
    border: 2px solid var(--quolla-gray-light);
    border-radius: var(--quolla-radius);
    font-family: var(--quolla-font);
    font-size: 15px;
    color: var(--quolla-dark);
    background: var(--quolla-light);
    transition: var(--quolla-transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--quolla-accent);
    background: var(--quolla-white);
    box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

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

.form-notice {
    padding: 16px;
    border-radius: var(--quolla-radius);
    font-size: 14px;
    font-weight: 500;
}

.form-notice.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-notice.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-disclaimer {
    font-size: 12px;
    color: var(--quolla-gray);
    text-align: center;
    margin: 8px 0 0;
}

.btn-loading .spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: var(--quolla-white);
    border-radius: 50%;
    animation: quolla-spin 0.8s linear infinite;
}

@keyframes quolla-spin {
    to { transform: rotate(360deg); }
}

/* ===== WHATSAPP FLOAT BUTTON ===== */
.quolla-whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--quolla-whatsapp);
    color: var(--quolla-white) !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    transition: var(--quolla-transition);
    animation: quolla-wa-pulse 2s infinite;
}

.quolla-whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
    color: var(--quolla-white) !important;
}

.quolla-whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.quolla-wa-label {
    display: none;
    position: absolute;
    right: 70px;
    white-space: nowrap;
    background: var(--quolla-primary);
    padding: 8px 16px;
    border-radius: var(--quolla-radius);
    font-size: 14px;
    font-weight: 500;
    color: var(--quolla-white);
}

.quolla-whatsapp-float:hover .quolla-wa-label {
    display: block;
}

@keyframes quolla-wa-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== PRODUCT SPECS TABLE ===== */
.quolla-product-specs {
    margin: 20px 0;
    padding: 20px;
    background: var(--quolla-light);
    border-radius: var(--quolla-radius);
}

.specs-title {
    font-size: 1.125rem;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--quolla-gray-light);
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th {
    text-align: left;
    padding: 10px 16px;
    background: var(--quolla-white);
    font-weight: 600;
    color: var(--quolla-primary);
    border-bottom: 1px solid var(--quolla-gray-light);
    width: 40%;
}

.specs-table td {
    padding: 10px 16px;
    border-bottom: 1px solid var(--quolla-gray-light);
    color: var(--quolla-dark);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--quolla-darker);
    color: rgba(255, 255, 255, 0.7);
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: 16px;
}

.footer-logo .logo-quolla {
    color: var(--quolla-white);
}

.footer-desc {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--quolla-white) !important;
    transition: var(--quolla-transition);
}

.social-link:hover {
    background: var(--quolla-accent);
    transform: translateY(-3px);
}

.footer-title {
    color: var(--quolla-white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--quolla-transition);
}

.footer-links a:hover {
    color: var(--quolla-accent);
    padding-left: 4px;
}

.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact-list svg {
    flex-shrink: 0;
    color: var(--quolla-accent);
    margin-top: 3px;
}

.footer-contact-list a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact-list a:hover {
    color: var(--quolla-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-copyright {
    font-size: 13px;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quolla-grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    section {
        padding: 50px 0;
    }
    
    /* Mobile Navigation */
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--quolla-white);
        flex-direction: column;
        padding: 80px 20px 20px;
        gap: 0;
        box-shadow: var(--quolla-shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--quolla-gray-light);
    }
    
    .nav-menu > li > a {
        display: block;
        padding: 16px 0;
    }
    
    .header-actions {
        display: none;
    }
    
    /* Hero */
    .hero-section {
        min-height: 500px;
    }
    
    .hero-container {
        padding: 60px 20px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .quolla-btn {
        width: 100%;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    /* Products */
    .quolla-grid-4,
    .quolla-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Features */
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Brand Story */
    .brand-story-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    /* Markets */
    .markets-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Inquiry */
    .inquiry-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .inquiry-form-container {
        padding: 24px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-about {
        grid-column: 1 / -1;
    }
    
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    
    /* WhatsApp float */
    .quolla-whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    
    .quolla-whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .quolla-grid-4,
    .quolla-grid-3 {
        grid-template-columns: 1fr;
    }
    
    .markets-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .header-top {
        display: none;
    }
}

/* ===== ACCESSIBILITY ===== */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 10000;
    background: var(--quolla-accent);
    color: var(--quolla-white);
    padding: 12px 20px;
    border-radius: 0 0 var(--quolla-radius) 0;
}

.skip-link:focus {
    left: 0;
    color: var(--quolla-white);
}

/* ===== PRINT STYLES ===== */
@media print {
    .site-header,
    .site-footer,
    .quolla-whatsapp-float,
    .hero-cta,
    .inquiry-section {
        display: none;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
}