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

/* Screen reader only text */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:root {
    --primary-color: #6B8E23;
    --secondary-color: #8B7355;
    --accent-color: #DAA520;
    --dark-green: #556B2F;
    --light-brown: #D2B48C;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F5F5DC;
    --white: #FFFFFF;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 20px rgba(0,0,0,0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

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

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
    position: relative;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-brand i {
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(135deg, var(--dark-green), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1543395136-75b39bc00e0e?w=1200&fm=webp&q=80') center/cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--white);
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s both;
}

/* Buttons */
.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: #B8860B;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

.btn-secondary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* Section Styles */
.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
}

section {
    padding: 80px 0;
}

/* Services Section */
/* Promo Video Section */
.promo-video {
    padding: 4rem 0;
    background: var(--white);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

/* YouTube Facade */
.youtube-facade {
    cursor: pointer;
    position: relative;
}

.youtube-facade img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 10px;
}

.youtube-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 68px;
    height: 48px;
    background: transparent;
    border: none;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.3s, transform 0.3s;
    z-index: 1;
}

.youtube-play-button:hover {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.1);
}

.youtube-facade.activated .youtube-play-button,
.youtube-facade.activated img {
    display: none;
}

.services {
    background: var(--bg-light);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

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

.service-card ul {
    list-style: none;
    margin-top: 1rem;
}

.service-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Inventory Section */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--white);
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    color: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--primary-color);
    color: var(--white);
}

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

.inventory-item {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.item-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.item-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.item-badge.sold {
    background: var(--text-light);
}

.item-details {
    padding: 1.5rem;
}

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

.item-specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.item-specs span {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.item-price {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.btn-inquiry {
    width: 100%;
    padding: 10px;
    background: var(--accent-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-inquiry:hover:not(:disabled) {
    background: #B8860B;
}

.btn-inquiry:disabled {
    background: var(--text-light);
    cursor: not-allowed;
}

/* Repair Section */
.repair {
    background: var(--bg-light);
}

.repair-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.repair-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.repair-card ul {
    list-style: none;
    margin-bottom: 1rem;
}

.repair-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.repair-card ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.repair-price {
    font-weight: bold;
    color: var(--primary-color);
    font-size: 1.2rem;
}

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

.before-after-item {
    text-align: center;
}

.before-after-images {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.ba-image {
    position: relative;
    flex: 1;
}

.ba-image img {
    width: 100%;
    border-radius: 5px;
}

.ba-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--primary-color);
    color: var(--white);
    padding: 5px 10px;
    border-radius: 3px;
    font-size: 0.8rem;
}

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

.review-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.review-card:hover {
    transform: translateY(-5px);
}

.review-stars {
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.review-text {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.review-author strong {
    display: block;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.review-author span {
    color: var(--primary-color);
    font-size: 0.9rem;
}

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

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    align-items: center;
    text-align: center;
}

.info-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 30px;
}

.info-item h4 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.info-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.kakao-link {
    display: inline-block;
    padding: 8px 20px;
    background: #FEE500;
    color: #3C1E1E;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s;
}

.kakao-link:hover {
    background: #FDDC3F;
}

.contact-map iframe {
    border-radius: 10px;
    box-shadow: var(--shadow);
}

/* Inquiry Form */
.inquiry-section {
    padding: 80px 0;
}

.inquiry-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-grid {
    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.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

/* Footer */
footer {
    background: var(--dark-green);
    color: var(--white);
    padding: 40px 0 20px;
}

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

.footer-brand h3 {
    margin-bottom: 1rem;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-contact p {
    margin-bottom: 0.5rem;
}

.footer-contact i {
    margin-right: 10px;
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.footer-bottom .business-info {
    font-size: 0.7rem;
    margin-bottom: 15px;
    opacity: 0.8;
}

.footer-bottom .business-info h4 {
    font-size: 0.75rem;
    margin-bottom: 8px;
}

.footer-bottom .business-info p {
    margin: 3px 0;
    line-height: 1.4;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    box-shadow: var(--shadow-hover);
    transition: transform 0.3s;
    border: none;
    cursor: pointer;
}

.float-btn:hover {
    transform: scale(1.1);
}

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

.kakao-btn {
    background: #FEE500;
    color: #3C1E1E;
}

.top-btn {
    background: var(--secondary-color);
    display: none;
}

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--white);
    margin: 10% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
}

.close:hover {
    color: var(--text-dark);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }

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

    .nav-toggle {
        display: flex;
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .service-grid,
    .inventory-grid,
    .repair-services {
        grid-template-columns: 1fr;
    }

    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }
}

/* Mobile Specific Styles */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        min-height: 500px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }

    .hero-subtitle {
        display: none;
    }

    .hero-buttons {
        margin-top: 0;
    }

    .btn {
        padding: 10px 25px;
        font-size: 0.9rem;
        width: 100%;
        max-width: 250px;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    section {
        padding: 50px 0;
    }

    .service-card {
        padding: 1.5rem;
    }

    .service-icon {
        font-size: 2.5rem;
    }

    .inventory-item {
        margin-bottom: 1rem;
    }

    .item-specs {
        font-size: 0.8rem;
    }

    .item-price {
        font-size: 1.3rem;
    }

    .repair-card {
        padding: 1.5rem;
    }

    .before-after-images {
        flex-direction: column;
    }

    .review-card {
        padding: 1.5rem;
    }

    .contact-info {
        gap: 1.5rem;
    }

    .info-item {
        flex-direction: column;
        text-align: center;
    }

    .info-item i {
        width: auto;
        margin-bottom: 0.5rem;
    }

    .contact-map iframe {
        height: 250px;
    }

    .inquiry-form {
        padding: 1.5rem;
    }

    .footer-content {
        text-align: center;
        gap: 1.5rem;
    }

    .floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 10px;
    }

    .float-btn {
        width: 45px;
        height: 45px;
        font-size: 0.9rem;
    }

    .modal-content {
        margin: 20% auto;
        padding: 1.5rem;
        width: 95%;
    }

    .filter-buttons {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 8px 20px;
        font-size: 0.9rem;
    }

    /* Touch-friendly spacing */
    button, .btn, a {
        min-height: 44px;
        min-width: 44px;
    }

    /* Optimize text readability on small screens */
    p {
        line-height: 1.7;
    }

    /* Ensure forms are mobile-friendly */
    input, select, textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* Tablet Styles */
@media (min-width: 481px) and (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .inventory-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .repair-services {
        grid-template-columns: repeat(2, 1fr);
    }

    .review-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Large Mobile / Small Tablet Landscape */
@media (min-width: 576px) and (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 400px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-buttons {
        flex-direction: row;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .hero h1 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .nav-brand span {
        font-size: 1.2rem;
    }
}