/* ===========================================
   DOMAIN BUCHHALTUNGSSERVICE - STYLES
   Цветовая палитра:
   - Основной фон: #FDF6EC (кремовый)
   - Основной акцент: #2E8B57 (мятный)
   - Вторичный акцент: #FFB347 (янтарный)
   - Текст: #1C1C1C (графит)
   =========================================== */

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

:root {
    --primary-bg: #FDF6EC;
    --primary-accent: #2E8B57;
    --secondary-accent: #FFB347;
    --text-color: #1C1C1C;
    --gradient-primary: linear-gradient(135deg, #2E8B57 0%, #FFB347 100%);
    --gradient-secondary: linear-gradient(45deg, #FFB347 0%, #2E8B57 100%);
    --shadow-soft: 0 10px 30px rgba(46, 139, 87, 0.1);
    --shadow-hover: 0 15px 40px rgba(46, 139, 87, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--primary-bg);
    overflow-x: hidden;
}

/* ===========================================
   HEADER & NAVIGATION
   =========================================== */

.main-header {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-soft);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 2rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    transition: var(--transition);
}

.logo a:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: white;
    border-radius: 2px;
    transition: var(--transition);
}

/* ===========================================
   MAIN CONTENT STYLES
   =========================================== */

.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.section {
    padding: 4rem 0;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* ===========================================
   HERO SECTION
   =========================================== */

.hero {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60' viewBox='0 0 60 60'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

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

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================================
   BUTTONS
   =========================================== */

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-secondary);
    color: white;
    box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: white;
    color: var(--primary-accent);
    border: 2px solid var(--primary-accent);
}

.btn-secondary:hover {
    background: var(--primary-accent);
    color: white;
    transform: translateY(-3px);
}

/* ===========================================
   SERVICES GRID
   =========================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-accent);
}

.service-card h3 {
    color: var(--primary-accent);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* ===========================================
   FORM STYLES
   =========================================== */

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--primary-bg);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(46, 139, 87, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 0.2rem;
    transform: scale(1.2);
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

/* ===========================================
   FAQ SECTION
   =========================================== */

.faq-item {
    background: white;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background: var(--gradient-primary);
    color: white;
    cursor: pointer;
    font-weight: 600;
    position: relative;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: var(--transition);
}

.faq-answer {
    padding: 1.5rem;
    color: var(--text-color);
    line-height: 1.6;
}

/* ===========================================
   FOOTER
   =========================================== */

.main-footer {
    background: var(--text-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

.footer-logo p {
    color: #cccccc;
    line-height: 1.6;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-item a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--secondary-accent);
}

.legal-links,
.services-links {
    list-style: none;
}

.legal-links li,
.services-links li {
    margin-bottom: 0.5rem;
}

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

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

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom-content p {
    color: #cccccc;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

/* ===========================================
   COOKIE BANNER
   =========================================== */

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-primary);
    color: white;
    padding: 1.5rem;
    box-shadow: 0 -5px 20px rgba(0,0,0,0.2);
    z-index: 1001;
    transform: translateY(100%);
    transition: var(--transition);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.cookie-text h4 {
    margin-bottom: 0.5rem;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.cookie-policy-link {
    color: white;
    text-decoration: underline;
    font-size: 0.9rem;
}

/* ===========================================
   ABOUT SECTION GRID
   =========================================== */

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    align-items: center;
}

.about-text {
    order: 1;
}

.about-image {
    order: 2;
    text-align: center;
}

/* ===========================================
   RESPONSIVE DESIGN
   =========================================== */

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-text {
        order: 2;
        text-align: center;
    }
    
    .about-image {
        order: 1;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-form {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    iframe {
        height: 250px !important;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    iframe {
        height: 200px !important;
    }
    
    .about-grid {
        gap: 1.5rem;
    }
}

/* ===========================================
   ANIMATIONS
   =========================================== */

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-slide-up {
    animation: slideInUp 0.8s ease-out;
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

/* ===========================================
   ACCESSIBILITY
   =========================================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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