/**
 * ComptaExperts Montréal - Styles CSS
 * Цветовая палитра: Electric Indigo (#6F00FF), Warm Coral (#FF6F61), Arctic Lime (#D0FF14), Ghost White (#F9F9FB)
 */

/* === VARIABLES CSS === */
:root {
    --primary-color: #6F00FF;
    --secondary-color: #FF6F61;
    --accent-color: #D0FF14;
    --background-color: #F9F9FB;
    --text-color: #2C2C2C;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --dark-gray: #4A4A4A;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    --shadow-light: 0 4px 6px rgba(111, 0, 255, 0.1);
    --shadow-medium: 0 8px 15px rgba(111, 0, 255, 0.15);
    --shadow-strong: 0 15px 35px rgba(111, 0, 255, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
    overflow-x: hidden;
}

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

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

/* === HEADER === */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: 700;
    font-size: 24px;
    color: var(--primary-color);
    text-decoration: none;
}

.logo:hover {
    transform: scale(1.05);
    transition: var(--transition);
}

/* === NAVIGATION === */
.nav-toggle {
    display: none;
}

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

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

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

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

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* === COOKIE POPUP === */
.cookie-popup {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-strong);
    padding: 25px;
    max-width: 400px;
    z-index: 10000;
    display: none;
    opacity: 0;
    transform: translateY(50px);
    transition: var(--transition);
}

.cookie-popup.show {
    opacity: 1;
    transform: translateY(0);
}

.cookie-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
    font-size: 18px;
}

.cookie-content p {
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.accept-btn, .decline-btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    flex: 1;
    min-width: 120px;
}

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

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

.decline-btn {
    background: #f0f0f0;
    color: var(--text-color);
}

.decline-btn:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

/* === MAIN CONTENT === */
.main-content {
    padding-top: 90px;
}

/* === HERO SECTION === */
.hero {
    background: var(--gradient-primary);
    color: white;
    padding: 100px 0;
    text-align: 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"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.8;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
    background: #e0ff00;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

/* === SECTIONS === */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
}

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

.section-subtitle {
    font-size: 1.2rem;
    color: var(--dark-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* === SERVICES === */
.services {
    background: var(--light-gray);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    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-strong);
}

.service-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.service-description {
    color: var(--dark-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
    margin-bottom: 30px;
}

.service-features li {
    padding: 5px 0;
    position: relative;
    padding-left: 25px;
}

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

/* === ABOUT === */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-image {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: var(--transition);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* === ADVANTAGES === */
.advantages {
    background: var(--light-gray);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.advantage-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.advantage-description {
    color: var(--dark-gray);
    line-height: 1.6;
}

/* === TESTIMONIALS === */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

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

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.6;
}

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

.testimonial-position {
    font-size: 0.9rem;
    color: var(--dark-gray);
}

/* === FAQ === */
.faq {
    background: var(--light-gray);
}

/* FAQ Radio-based CSS-only Accordion */
.faq-radio {
    display: none;
}

.faq-item {
    background: white;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.faq-question {
    display: block;
    width: 100%;
    padding: 25px;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
    position: relative;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

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

.faq-question::after {
    content: '+';
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.8rem;
    color: var(--secondary-color);
    transition: all 0.4s ease;
    font-weight: 700;
}

/* When radio button is checked, show the answer and rotate plus to cross */
.faq-radio:checked + .faq-question::after {
    content: '+';
    transform: translateY(-50%) rotate(45deg);
    color: var(--primary-color);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    padding: 0 25px;
}

.faq-radio:checked ~ .faq-answer {
    max-height: 200px;
    padding: 25px;
}

.faq-answer p {
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

/* === CONTACT FORM === */
.contact-form {
    background: white;
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    max-width: 700px;
    margin: 0 auto;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--gradient-primary);
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-color);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: white;
    font-family: 'Poppins', sans-serif;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(111, 0, 255, 0.1);
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 15px;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--primary-color);
}

.form-checkbox label {
    font-size: 14px;
    line-height: 1.5;
    color: var(--dark-gray);
}

.form-checkbox a {
    color: var(--primary-color);
    text-decoration: none;
}

.form-checkbox a:hover {
    text-decoration: underline;
}

.form-submit {
    width: 100%;
    padding: 18px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Poppins', sans-serif;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* === FOOTER === */
.footer {
    background: var(--text-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-section p {
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.footer-links li {
    margin-bottom: 10px;
}

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

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

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

.contact-item address {
    font-style: normal;
    line-height: 1.4;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
}

.copyright p {
    margin-bottom: 5px;
    font-size: 14px;
}

.disclaimer {
    font-size: 12px;
    opacity: 0.8;
}

/* === MOBILE RESPONSIVE === */
@media (max-width: 768px) {
    .nav-toggle-label {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        background: white;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100%);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-toggle:checked ~ .nav {
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        padding: 20px;
        gap: 10px;
    }
    
    .nav-link {
        display: block;
        padding: 15px 20px;
        border-radius: var(--border-radius);
        background: var(--light-gray);
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        order: -1;
    }
    
    .services-grid,
    .advantages-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-question::after {
        right: 20px;
        font-size: 1.6rem;
    }
    
    .faq-radio:checked ~ .faq-answer {
        max-height: 250px;
        padding: 20px;
    }
    
    .faq-answer {
        padding: 0 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .cookie-popup {
        left: 10px;
        right: 10px;
        bottom: 10px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .service-card,
    .advantage-card,
    .testimonial-card {
        padding: 20px;
    }
    
    .contact-form {
        padding: 20px 15px;
    }
    
    .faq-question {
        padding: 15px;
        font-size: 0.95rem;
    }
    
    .faq-question::after {
        right: 15px;
        font-size: 1.5rem;
    }
    
    .faq-radio:checked ~ .faq-answer {
        max-height: 300px;
        padding: 15px;
    }
    
    .faq-answer {
        padding: 0 15px;
    }
    
    .faq-item {
        margin-bottom: 15px;
    }
}

/* === LEGAL PAGES - UNIFIED STYLES === */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}

.legal-header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 0;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--border-radius);
}

.legal-header h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.legal-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

.legal-content-body {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    margin-bottom: 30px;
}

.legal-content-body h2 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.legal-content-body h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.legal-content-body p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.legal-content-body ul,
.legal-content-body ol {
    margin-bottom: 20px;
    padding-left: 25px;
}

.legal-content-body li {
    margin-bottom: 8px;
    line-height: 1.6;
}

.legal-content-body strong {
    color: var(--primary-color);
}

.contact-section {
    background: var(--light-gray);
    padding: 30px;
    border-radius: var(--border-radius);
    margin-top: 30px;
}

.contact-section h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-section p {
    margin-bottom: 10px;
}

.contact-section a {
    color: var(--secondary-color);
    text-decoration: none;
}

.contact-section a:hover {
    text-decoration: underline;
}

/* === UTILITY CLASSES === */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

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

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

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 50px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.align-center { align-items: center; }
.text-center { text-align: center; }