/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #FF007F;      /* Fuchsia */
    --secondary-color: #00CFFF;    /* Azure */
    --accent-color: #E6FF00;       /* Lime Yellow */
    --white: #FFFFFF;
    --black: #000000;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-light: #F8F9FA;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    --gradient-dark: linear-gradient(135deg, var(--black), #1a1a1a);
    
    /* Typography */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Border radius */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s ease;
}

/* ===== TYPOGRAPHY ===== */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* Scroll padding for anchor links */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--secondary-color);
}

/* ===== LAYOUT UTILITIES ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

.flex {
    display: flex;
    gap: var(--spacing-sm);
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* ===== SECTIONS ===== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background: var(--gradient-dark);
    color: var(--white);
}

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

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

.section-accent {
    background: var(--gradient-accent);
    color: var(--text-dark);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

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

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

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

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

.btn-accent {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

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

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.125rem;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-sm);
    z-index: 1000;
    transition: opacity var(--transition-smooth), transform var(--transition-smooth);
    box-shadow: var(--shadow-lg);
}

.cookie-banner.hidden {
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-xs);
}

.cookie-buttons .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
}

/* ===== HEADER ===== */
.main-header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo {
    height: 48px;
    width: auto;
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
    justify-content: center;
    flex: 1;
}

.nav-link {
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

/* CSS-only mobile navigation */
.nav-toggle-checkbox {
    display: none;
}

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

/* Гарантируем что checkbox скрыт на desktop */
@media (min-width: 769px) {
    .nav-toggle-checkbox,
    .nav-toggle-label {
        display: none !important;
    }
}

.nav-toggle-label span {
    width: 25px;
    height: 3px;
    background: var(--gradient-primary);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* Hamburger animation */
.nav-toggle-checkbox:checked + .nav-toggle-label span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle-checkbox:checked + .nav-toggle-label span:nth-child(2) {
    opacity: 0;
}

.nav-toggle-checkbox:checked + .nav-toggle-label span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== HERO SECTION ===== */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    min-height: 70vh;
    display: flex;
    align-items: center;
    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 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="30" r="3" fill="rgba(255,255,255,0.05)"/><circle cx="40" cy="70" r="1.5" fill="rgba(255,255,255,0.1)"/><circle cx="70" cy="80" r="2.5" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: rgba(255, 255, 255, 0.9);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 0, 127, 0.1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.card-title {
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.card-description {
    color: var(--text-light);
    line-height: 1.6;
}

.card-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin: var(--spacing-sm) 0;
}

.card-features {
    list-style: none;
    margin: var(--spacing-sm) 0;
}

.card-features li {
    padding: var(--spacing-xs) 0;
    color: var(--text-light);
    position: relative;
    padding-left: var(--spacing-md);
}

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

/* ===== SERVICES SECTION ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* ===== PROCESS STEPS ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    position: relative;
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin: 0 auto var(--spacing-md);
    position: relative;
    box-shadow: var(--shadow-md);
}

.step h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.step p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Process connector line for desktop */
@media (min-width: 769px) {
    .process-steps::before {
        content: '';
        position: absolute;
        top: 80px;
        left: 10%;
        right: 10%;
        height: 3px;
        background: var(--gradient-accent);
        z-index: 1;
        border-radius: 2px;
    }
    
    .step-number {
        position: relative;
        z-index: 2;
        border: 4px solid var(--white);
    }
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--gradient-dark);
    color: var(--white);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.testimonial {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-author {
    font-weight: 600;
    color: var(--accent-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-color);
    box-shadow: var(--shadow-sm);
}

/* ===== FAQ ===== */
.faq-item {
    background-color: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-toggle {
    display: none;
}

.faq-question {
    background: var(--gradient-primary);
    color: var(--white);
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    position: relative;
    transition: var(--transition-fast);
    display: block;
    margin: 0;
}

.faq-question:hover {
    background: var(--gradient-accent);
    color: var(--text-dark);
}

.faq-icon {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform var(--transition-fast);
}

.faq-toggle:checked + .faq-question .faq-icon {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-content {
    padding: var(--spacing-md);
    color: var(--text-light);
    line-height: 1.6;
}

.faq-toggle:checked + .faq-question + .faq-answer {
    max-height: 200px;
}

/* ===== FORMS ===== */
.form-container {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 2px solid rgba(255, 0, 127, 0.2);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition-fast);
    background-color: var(--white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 0, 127, 0.1);
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 2px;
}

.form-checkbox label {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
}

.form-submit {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* ===== FOOTER ===== */
.main-footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--accent-color);
    margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

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

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

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-sm);
        z-index: 1000;
    }
    
    /* Show menu when checkbox is checked */
    .nav-toggle-checkbox:checked ~ .nav-container .nav-menu {
        display: block;
    }
    
    /* Auto-close menu when clicking on links */
    .nav-link {
        position: relative;
    }
    
    .nav-link:focus {
        outline: none;
    }
    
    .nav-list {
        flex-direction: column;
        gap: var(--spacing-sm);
        justify-content: flex-start;
    }
    
    .nav-toggle-label {
        display: flex;
        order: 3;
    }
    
    .navbar .container {
        flex-wrap: wrap;
        position: relative;
    }
    
    .testimonial-author {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) 0;
        min-height: 50vh;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .form-container {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-cta .btn {
        width: auto;
        min-width: 200px;
    }
    
    .card {
        padding: var(--spacing-sm);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

/* ===== UTILITY CLASSES ===== */
.hidden { display: none !important; }
.visible { display: block !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.p-0 { padding: 0 !important; }

/* ===== PRINT STYLES ===== */
@media print {
    .cookie-banner,
    .nav-toggle-label,
    .btn {
        display: none !important;
    }
    
    body {
        color: black !important;
        background: white !important;
    }
    
    .section-dark,
    .section-primary {
        background: white !important;
        color: black !important;
    }
}