/* Reset и базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #1e40af 0%, #06b6d4 100%);
    --accent-color: #ff6b47;
    --text-dark: #1e3a8a;
    --text-light: #ffffff;
    --bg-light: #f8fafc;
    --shadow-soft: 0 8px 32px rgba(0, 0, 0, 0.1);
    --border-radius: 1rem;
    --border-radius-xl: 2rem;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--primary-gradient);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

p {
    margin-bottom: 1rem;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-color);
    color: var(--text-light);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    text-align: center;
    min-width: 200px;
}

.btn:hover {
    background: #e55a3c;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 107, 71, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--text-dark);
}

.btn-secondary:hover {
    background: var(--text-dark);
    color: var(--text-light);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    text-decoration: none;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

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

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

.nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav a:hover::after {
    width: 100%;
}

/* Улучшенная видимость навигационных ссылок */
.nav a {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.nav a:hover {
    background: rgba(255, 107, 71, 0.1);
    color: var(--accent-color);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
}

.menu-toggle-checkbox {
    display: none;
}

.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

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

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

/* Sections */
.section {
    padding: 4rem 0;
    margin: 2rem 0;
}

.section:nth-child(even) {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-xl);
    margin: 2rem 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 6rem 0;
    color: var(--text-light);
    position: relative;
    background: var(--primary-gradient);
    background-image: 
        linear-gradient(135deg, rgba(30, 64, 175, 0.8) 0%, rgba(6, 182, 212, 0.8) 100%),
        url('./img/KU4eQN.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 64, 175, 0.3);
    backdrop-filter: blur(1px);
}

.hero h1,
.hero p,
.hero-buttons {
    position: relative;
    z-index: 2;
}

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

.hero p {
    font-size: clamp(1rem, 3vw, 1.3rem);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

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

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
    text-align: center;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

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

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.process-step {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-soft);
}

.process-step::before {
    content: attr(data-step);
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-color);
    color: var(--text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

/* FAQ Accordion (CSS-only) */
.faq-item {
    background: rgba(255, 255, 255, 0.9);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.faq-toggle {
    display: none;
}

.faq-question {
    display: block;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.95);
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    transition: var(--transition);
}

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

.faq-question:hover {
    background: var(--bg-light);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 1.5rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.98);
}

.faq-toggle:checked + .faq-question + .faq-answer {
    max-height: 300px;
    padding: 1.5rem;
}

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

/* Form */
.form {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    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-dark);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 71, 0.1);
}

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

.checkbox-group input[type="checkbox"] {
    margin-top: 0.25rem;
    width: auto;
}

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

/* Footer */
.footer {
    background: rgba(30, 58, 138, 0.95);
    color: var(--text-light);
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

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

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

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: -100%;
    left: 0;
    right: 0;
    background: rgba(30, 58, 138, 0.98);
    color: var(--text-light);
    padding: 1.5rem;
    z-index: 10000;
    transition: bottom 0.5s ease;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.cookie-banner.show {
    bottom: 0;
}

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

.cookie-text {
    flex: 1;
    font-size: 0.9rem;
}

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

.cookie-btn {
    padding: 0.5rem 1rem;
    background: var(--accent-color);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.cookie-btn:hover {
    background: #e55a3c;
}

.cookie-btn.secondary {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.cookie-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Testimonials */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.testimonial {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    position: relative;
}

.testimonial::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 4rem;
    color: var(--accent-color);
    font-family: serif;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 1rem;
    padding-top: 1rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--accent-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .burger {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-soft);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition);
    }
    
    .menu-toggle-checkbox:checked ~ .nav {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .menu-toggle-checkbox:checked ~ .burger span:first-child {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .menu-toggle-checkbox:checked ~ .burger span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle-checkbox:checked ~ .burger span:last-child {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        justify-content: center;
    }
    
    .section {
        padding: 2rem 0;
    }
    
    .form {
        padding: 2rem 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.5rem;
    }
    
    .section:nth-child(even) {
        margin: 2rem 0.5rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.text-center { text-align: center; }
.text-white { color: var(--text-light); }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Offset for anchor links to show section titles */
section[id] {
    scroll-margin-top: 120px;
}

#services,
#avantages,
#processus,
#contact {
    scroll-margin-top: 120px;
}

/* Loading animation for images */
img {
    transition: opacity 0.3s ease;
}

img[data-src] {
    opacity: 0.5;
}

/* Focus styles for accessibility */
:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Success Icon Styles */
.success-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: successFadeIn 1.5s ease-out;
}

.success-icon svg {
    filter: drop-shadow(0 8px 16px rgba(255, 107, 71, 0.3));
    animation: successPulse 2s ease-in-out infinite alternate;
}

@keyframes successFadeIn {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.05);
    }
}

/* Responsive adjustments for success icon */
@media (max-width: 768px) {
    .success-icon svg {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 480px) {
    .success-icon svg {
        width: 60px;
        height: 60px;
    }
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cookie-banner {
        display: none;
    }
    
    .main {
        margin-top: 0;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        break-inside: avoid;
    }
    
    .success-icon {
        display: none;
    }
}