/* ========================================
   Best Cleaning & Restore - Main Stylesheet
   ======================================== */

/* --- CSS Variables --- */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --secondary: #34a853;
    --accent: #fbbc04;
    --dark: #1f2937;
    --dark-light: #374151;
    --gray: #6b7280;
    --gray-light: #9ca3af;
    --light: #f3f4f6;
    --light-bg: #f9fafb;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    overflow-x: hidden;
}
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.header-top {
    background: var(--dark);
    color: var(--white);
    padding: 8px 0;
    font-size: 14px;
}
.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.header-contact {
    display: flex;
    align-items: center;
    gap: 20px;
}
.header-phone {
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 6px;
}
.header-phone svg { width: 14px; height: 14px; }
.header-phone:hover { color: var(--accent); }

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
}
.lang-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 4px;
    background: transparent;
    color: var(--white);
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}
.lang-item:hover,
.lang-item.active {
    background: rgba(255,255,255,0.1);
    border-color: var(--accent);
    color: var(--accent);
}
.lang-flag { font-size: 18px; line-height: 1; }
.lang-name { text-transform: uppercase; letter-spacing: 0.5px; }

/* Header Main */
.header-main {
    background: var(--white);
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
}
.header-main-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-branding {
    display: flex;
    align-items: center;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--dark);
}
.logo-link:hover { color: var(--primary); }
.logo-img { width: 60px; height: auto; border-radius: 8px; }
.logo-icon { font-size: 36px; line-height: 1; }
.logo-text { display: flex; flex-direction: column; }
.logo-title {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
}
.logo-subtitle {
    font-size: 12px;
    color: var(--gray);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Navigation */
.main-navigation { display: flex; align-items: center; }
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 32px;
    height: 24px;
    position: relative;
}
.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    position: absolute;
    left: 0;
    transition: var(--transition);
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 10px; }
.menu-toggle span:nth-child(3) { top: 20px; }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 10px; }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 10px; }

#primary-menu {
    display: flex;
    gap: 8px;
}
#primary-menu li a {
    display: block;
    padding: 8px 16px;
    color: var(--dark);
    font-weight: 500;
    font-size: 15px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
#primary-menu li a:hover,
#primary-menu li.current-menu-item a {
    background: var(--primary);
    color: var(--white);
}

/* --- Sections Common --- */
.section {
    padding: 80px 0;
}
.section:nth-child(even) {
    background: var(--light-bg);
}
.section-title {
    font-size: 36px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
    color: var(--dark);
}
.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 12px;
    font-weight: 500;
}
.section-description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: var(--dark-light);
    font-size: 17px;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}
.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}
.btn-lg { padding: 16px 40px; font-size: 18px; }
.btn-block { width: 100%; }

/* --- Hero --- */
.hero-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #1a365d 0%, #1a73e8 50%, #0d47a1 100%);
    overflow: hidden;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml,<svg viewBox="0 0 400 400" xmlns="http://www.w3.org/2000/svg"><circle cx="100" cy="100" r="80" fill="rgba(255,255,255,0.03)"/><circle cx="350" cy="300" r="120" fill="rgba(255,255,255,0.03)"/></svg>') repeat;
    opacity: 0.5;
}
.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    color: var(--white);
}
.hero-title {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}
.hero-description {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 36px;
    opacity: 0.92;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- About Intro --- */
.about-intro-section {
    background: var(--white);
    padding: 60px 0;
}
.about-intro-text {
    font-size: 18px;
    line-height: 1.8;
    text-align: center;
    max-width: 950px;
    margin: 0 auto;
    color: var(--dark-light);
}

/* --- Before/After Gallery --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}
.compare-container {
    display: flex;
    gap: 8px;
    border-radius: var(--radius);
    overflow: hidden;
}
.compare-before,
.compare-after {
    flex: 1;
    position: relative;
}
.compare-label {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.7);
    color: #fff;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.placeholder-img {
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    color: var(--gray);
    font-size: 14px;
    font-weight: 600;
}
.bg-gray { background: #e5e7eb; }
.bg-blue { background: #dbeafe; }
.bg-brand { background: #e0e7ff; }
.bg-brand-light { background: #e8f0fe; }
.circle { border-radius: 50%; aspect-ratio: 1; width: 120px; }

/* --- Services --- */
.services-section { background: var(--light-bg); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    margin: 36px 0;
}
.service-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.service-icon { font-size: 48px; margin-bottom: 16px; }
.service-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
}
.service-text {
    color: var(--dark-light);
    font-size: 15px;
    line-height: 1.7;
}
.services-cta {
    text-align: center;
    margin-top: 40px;
}
.cta-phone {
    margin-top: 16px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

/* --- About --- */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-top: 36px;
}
.about-text p {
    margin-bottom: 16px;
    color: var(--dark-light);
    font-size: 16px;
    line-height: 1.8;
}
.about-text p:last-child { margin-bottom: 0; }
.about-image .placeholder-img {
    aspect-ratio: 4/3;
    width: 100%;
    border-radius: var(--radius);
    font-size: 18px;
}

/* --- Mission --- */
.mission-section { background: var(--light-bg); }
.mission-text {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    font-size: 17px;
    line-height: 1.9;
    color: var(--dark-light);
}

/* --- Values --- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 28px;
    margin-top: 40px;
}
.value-item {
    text-align: center;
    padding: 28px 20px;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.value-icon { font-size: 40px; margin-bottom: 12px; }
.value-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}
.value-item p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.6;
}

/* --- Features --- */
.features-section { background: var(--light-bg); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.feature-item {
    text-align: center;
    padding: 32px 20px;
    border-radius: var(--radius);
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-icon { font-size: 44px; display: block; margin-bottom: 12px; }
.feature-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

/* --- Testimonial --- */
.testimonial-card {
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
}
.testimonial-image { margin-bottom: 20px; }
.testimonial-image .placeholder-img {
    margin: 0 auto;
    font-size: 48px;
}
.testimonial-text {
    font-size: 22px;
    font-style: italic;
    line-height: 1.7;
    color: var(--dark);
    margin-bottom: 16px;
    quotes: "“" "”" "‘" "’";
}
.testimonial-author {
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary);
}

/* --- FAQ --- */
.faq-section { background: var(--light-bg); }
.faq-list {
    max-width: 800px;
    margin: 36px auto 0;
}
.faq-item {
    background: var(--white);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border: 1px solid #e5e7eb;
    overflow: hidden;
}
.faq-question {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}
.faq-question::after {
    content: '+';
    font-size: 22px;
    font-weight: 300;
    color: var(--primary);
    transition: var(--transition);
}
.faq-item.active .faq-question::after {
    content: '−';
    transform: rotate(180deg);
}
.faq-item.active .faq-question {
    color: var(--primary);
}
.faq-question:hover {
    background: #f9fafb;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}
.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 24px 18px;
}
.faq-answer p {
    color: var(--dark-light);
    font-size: 15px;
    line-height: 1.8;
}

/* --- Contact --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 40px;
}
.contact-info h3,
.contact-form h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--dark);
}
.contact-detail {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    align-items: flex-start;
}
.contact-icon { font-size: 24px; line-height: 1.4; }
.contact-detail p { margin-bottom: 4px; color: var(--dark-light); }
.contact-detail a { font-weight: 600; }

/* Form */
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #d1d5db;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font);
    transition: var(--transition);
    background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,115,232,0.1);
}

/* --- Footer --- */
.site-footer {
    background: var(--dark);
    color: #d1d5db;
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 36px;
    margin-bottom: 40px;
}
.footer-col h3 {
    color: var(--white);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col p,
.footer-col li {
    font-size: 14px;
    line-height: 1.8;
}
.footer-col a {
    color: #d1d5db;
}
.footer-col a:hover {
    color: var(--accent);
}
.social-links {
    display: flex;
    gap: 12px;
}
.social-link {
    font-size: 28px;
    line-height: 1;
}
.footer-bottom {
    border-top: 1px solid #374151;
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero-title { font-size: 40px; }
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    #primary-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 16px 20px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid #e5e7eb;
    }
    #primary-menu.toggled { display: flex; }
    .header-main { position: relative; }

    .hero-section { min-height: 70vh; }
    .hero-title { font-size: 32px; }
    .hero-description { font-size: 16px; }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .services-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }

    .section { padding: 50px 0; }
    .section-title { font-size: 28px; }

    .features-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }

    .btn-lg { padding: 14px 32px; font-size: 16px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-actions .btn { width: 100%; max-width: 300px; }

    .logo-title { font-size: 16px; }
    .logo-icon { font-size: 28px; }
    .values-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .hero-title { font-size: 26px; }
    .values-grid { grid-template-columns: 1fr; }
    .header-top-inner { flex-direction: column; gap: 8px; }
}