/*
 * 더원클린 - 수원 정기청소 웹사이트 스타일시트
 * 고급스럽고 전문적인 디자인
 */

/* ========== 전역 스타일 ========== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --secondary-color: #10b981;
    --accent-color: #f59e0b;
    --dark-bg: #1f2937;
    --darker-bg: #111827;
    --light-bg: #f9fafb;
    --text-dark: #111827;
    --text-gray: #6b7280;
    --text-light: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* ========== 네비게이션 ========== */
.main-nav {
    background: var(--darker-bg);
    color: var(--text-light);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

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

.logo h2 {
    color: var(--text-light);
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--primary-color);
    font-size: 1.8rem;
}

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

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.btn-call {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* ========== 히어로 섹션 ========== */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-light);
    padding: 8rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    opacity: 0.95;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
}

.feature-item i {
    color: var(--secondary-color);
    font-size: 1.3rem;
}

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

/* ========== 버튼 스타일 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

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

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

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

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

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

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

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

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ========== 섹션 공통 ========== */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-gray);
    margin-bottom: 3rem;
}

/* ========== 서비스 섹션 ========== */
.services {
    background: var(--light-bg);
}

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

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========== 빠른 견적 폼 ========== */
.quote-section {
    background: linear-gradient(to bottom, white, var(--light-bg));
}

.quote-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

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

.quote-header h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.quote-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group label i {
    color: var(--primary-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

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

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.form-actions {
    margin-top: 1rem;
}

.form-notice {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
}

.form-notice p {
    color: var(--text-gray);
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-notice i {
    color: var(--primary-color);
}

/* ========== Why Us 섹션 ========== */
.why-us {
    background: white;
}

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

.benefit-item {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--light-bg);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.benefit-item:hover {
    background: white;
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.benefit-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.benefit-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.benefit-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ========== CTA 섹션 ========== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

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

/* ========== 푸터 ========== */
.main-footer {
    background: var(--darker-bg);
    color: var(--text-light);
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.footer-section p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.company-info li {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--dark-bg);
    color: var(--text-gray);
}

/* ========== 서브페이지 공통 ========== */
.page-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.page-content {
    padding: 4rem 0;
    max-width: 900px;
    margin: 0 auto;
}

.content-section {
    margin-bottom: 3rem;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--primary-color);
}

.content-section h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 1rem;
    color: var(--text-dark);
}

.content-section p,
.content-section ul,
.content-section ol {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.content-section ul,
.content-section ol {
    padding-left: 2rem;
}

.content-section li {
    margin-bottom: 0.5rem;
}

.info-box {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 0.5rem;
    border-left: 4px solid var(--primary-color);
    margin: 2rem 0;
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.info-table th,
.info-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.info-table th {
    background: var(--light-bg);
    font-weight: 600;
    color: var(--text-dark);
}

.info-table td {
    color: var(--text-gray);
}

/* ========== 반응형 디자인 ========== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

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

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

    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }

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

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .quote-wrapper {
        padding: 2rem 1.5rem;
    }

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

    .page-header h1 {
        font-size: 2rem;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}