/* ===== БАЗОВЫЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4fbea1;
    --primary-dark: #3a9d85;
    --primary-light: #e8f7f4;
    --text-dark: #1a1a2e;
    --text-gray: #6b7280;
    --bg-light: #ffffff;
    --bg-gray: #f9fafb;
    --border-color: #e5e7eb;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

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

/* ===== ХЕДЕР ===== */
.header {
    background: var(--bg-light);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    gap: 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.2;
}

.logo span {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.contacts {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-gray);
}

.languages {
    display: flex;
    gap: 0.5rem;
}

.lang-btn {
    padding: 0.5rem 1rem;
    border: 2px solid var(--border-color);
    background: var(--bg-light);
    color: var(--text-gray);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.lang-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

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

/* ===== HERO СЕКЦИЯ ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-light) 0%, #ffffff 100%);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-decoration {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
    opacity: 0.1;
    border-radius: 50%;
    top: -200px;
    right: -200px;
    animation: float 20s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
}

.cta-button {
    padding: 1rem 2.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* ===== СЕКЦИИ ===== */
.about, .services {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 2px;
}

/* ===== КАРТОЧКИ ===== */
.about-content {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    text-align: center;
    max-width: 600px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.about-card h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.about-card p {
    color: var(--text-gray);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

/* ===== СЕРВИСНЫЕ КАРТОЧКИ ===== */
.service-card {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--border-color);
}

.service-icon {
    font-size: 3rem;
    background: var(--primary-light);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
}

.service-header h3 {
    font-size: 2rem;
    color: var(--text-dark);
}

.service-content p {
    color: var(--text-gray);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-btn {
    padding: 0.875rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    margin-top: 1rem;
}

.service-btn:hover {
    background: var(--primary-dark);
    transform: translateX(8px);
}

/* ===== ФУТЕР ===== */
.footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #0f172a 100%);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.footer-info p {
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.footer-copy {
    text-align: right;
    opacity: 0.7;
    font-size: 0.875rem;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    /* показываем справа только кнопки языков */
    .nav-right {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }

    /* контакты прячем, чтобы остались только маленькие кнопки */
    .contacts {
        display: none;
    }

    /* бургер вообще не показываем */
    .burger-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        padding: 2rem;
    }
    
    .service-header {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-copy {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .contacts {
        font-size: 0.75rem;
    }
    
    .lang-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.75rem;
    }
    
    .service-header h3 {
        font-size: 1.5rem;
    }
    
    .service-content p {
        font-size: 1rem;
    }
}
/* ===== МОДАЛЬНОЕ ОКНО ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: white;
    border-radius: 24px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 3rem;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-gray);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-gray);
}

.modal-close:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-header h2 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.modal-header p {
    color: var(--text-gray);
    font-size: 1rem;
}

/* ===== ФОРМА ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: var(--primary-light);
}

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

/* ===== СТАТУС ФОРМЫ ===== */
.form-status {
    padding: 1rem;
    border-radius: 12px;
    font-weight: 500;
    text-align: center;
    display: none;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-status.success {
    background: #d1fae5;
    color: #065f46;
    border: 2px solid #10b981;
    display: block;
}

.form-status.error {
    background: #fee2e2;
    color: #991b1b;
    border: 2px solid #ef4444;
    display: block;
}

/* ===== КНОПКА ОТПРАВКИ ===== */
.submit-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.submit-btn.loading .btn-text {
    display: none;
}

.submit-btn.loading .btn-loader {
    display: block;
}

/* ===== АДАПТИВНОСТЬ ===== */
@media (max-width: 768px) {
    .modal-content {
        padding: 2rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
}