/* ===============================
   VARIABLES & RESET
   =============================== */

:root {
    /* Color Palette */
    --bg-primary: #fef6e4;       /* Warm cream background */
    --accent-primary: #8bd3dd;   /* Bright turquoise */
    --accent-secondary: #f582ae; /* Coral pink */
    --text-primary: #001858;     /* Deep blue */
    --gradient-button: linear-gradient(135deg, #ff9e00 0%, #ff4040 100%);
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --border-color: #e9ecef;
    
    /* Typography */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spacing */
    --container-max-width: 1200px;
    --section-padding: 4rem 0;
    --element-spacing: 2rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-light: 0 2px 10px rgba(0, 24, 88, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 24, 88, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 24, 88, 0.2);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ===============================
   UTILITY CLASSES
   =============================== */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: var(--section-padding);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* ===============================
   HEADER STYLES
   =============================== */

.header {
    background: var(--white);
    box-shadow: var(--shadow-light);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

/* Logo Styles */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
}

/* Navigation Styles */
.nav-toggle {
    display: none;
}

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

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

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

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

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

.cta-nav {
    background: var(--gradient-button);
    color: var(--white);
    font-weight: var(--font-weight-bold);
}

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

/* Header Contact */
.header-contact {
    display: flex;
    align-items: center;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--accent-secondary);
    color: var(--white);
    border-radius: 25px;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

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

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

main {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--accent-primary) 100%);
    padding: 6rem 0;
    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 20"><defs><pattern id="grain" width="100" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%23001858" opacity="0.05"/></pattern></defs><rect width="100" height="20" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

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

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    opacity: 0.8;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

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

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

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-primary);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

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

.card {
    background: var(--white);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

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

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

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-primary);
    opacity: 0.8;
    line-height: 1.6;
}

/* Form Styles */
.form-section {
    background: var(--white);
    border-radius: 30px;
    padding: 3rem;
    margin: 2rem auto;
    max-width: 800px; /* Ограничиваем ширину формы */
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
}

.form-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: var(--accent-primary);
    border-radius: 50%;
    opacity: 0.1;
    z-index: 1;
}

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

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    position: relative;
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 15px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-fast);
    font-size: 1rem;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 211, 221, 0.2);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin: 1rem 0;
}

.checkbox-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
}

.checkbox-label {
    font-size: 0.9rem;
    line-height: 1.4;
}

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

.footer {
    background: var(--text-primary);
    color: var(--white);
    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,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-description {
    line-height: 1.6;
    opacity: 0.8;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.contact-icon {
    font-size: 1.2rem;
    margin-top: 2px;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-disclaimer {
    font-size: 0.9rem;
    opacity: 0.6;
    max-width: 600px;
    margin: 0 auto;
}

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

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-heavy);
    z-index: 10000;
    padding: 1.5rem;
    display: none;
    opacity: 0;
    transition: var(--transition-smooth);
}

.cookie-content {
    max-width: var(--container-max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cookie-text h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.cookie-text p {
    color: var(--text-primary);
    opacity: 0.8;
}

.cookie-text a {
    color: var(--accent-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.btn-accept,
.btn-decline {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 25px;
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

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

.btn-accept:hover,
.btn-decline:hover {
    transform: translateY(-2px);
}

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

@media (max-width: 768px) {
    /* Header Mobile */
    .nav-toggle-label {
        display: flex;
        order: 1;
    }
    
    .nav {
        position: fixed;
        top: 100%;
        left: 0;
        background: var(--white);
        width: 100%;
        transform: scale(1, 0);
        transform-origin: top;
        transition: transform 0.3s ease-in-out;
        box-shadow: var(--shadow-medium);
    }
    
    .nav-toggle:checked ~ .nav {
        transform: scale(1, 1);
    }
    
    .nav-toggle:checked ~ .nav-toggle-label .hamburger {
        transform: rotate(45deg);
    }
    
    .nav-toggle:checked ~ .nav-toggle-label .hamburger::before {
        transform: rotate(90deg) translate(-8px, 0px);
    }
    
    .nav-toggle:checked ~ .nav-toggle-label .hamburger::after {
        opacity: 0;
    }
    
    .nav-list {
        flex-direction: column;
        padding: 2rem;
        gap: 1rem;
    }
    
    .header-contact {
        order: -1;
    }
    
    .contact-phone {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    /* Content Mobile */
    .hero {
        padding: 4rem 0;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    /* Адаптивные стили для изображений в разделах */
    /* Раздел Sobre - изображение + текст */
    div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    /* Высота изображений на мобильных */
    img[style*="height: 400px"] {
        height: 250px !important;
    }
    
    img[style*="height: 300px"] {
        height: 200px !important;
    }
    
    img[style*="height: 200px"] {
        height: 150px !important;
    }
    
    /* Статистика в разделе Sobre */
    div[style*="display: flex; gap: 1rem;"] {
        justify-content: space-around !important;
        gap: 0.5rem !important;
    }
    
    .form-section {
        padding: 2rem 1.5rem;
        border-radius: 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .form-section {
        padding: 1.5rem 1rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* ===============================
   ANIMATION ENHANCEMENTS
   =============================== */

/* Fallback для элементов с fade-in анимацией */
.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Применяем анимацию только если браузер поддерживает анимации */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .header {
        animation: slideDown 0.5s ease-out;
    }
    
    @keyframes slideDown {
        from {
            transform: translateY(-100%);
        }
        to {
            transform: translateY(0);
        }
    }
    
    .card:nth-child(1) { animation-delay: 0.1s; }
    .card:nth-child(2) { animation-delay: 0.2s; }
    .card:nth-child(3) { animation-delay: 0.3s; }
    .card:nth-child(4) { animation-delay: 0.4s; }
    
    .hero-content > * {
        animation: fadeInUp 0.8s ease-out forwards;
        opacity: 0;
    }
    
    .hero h1 { animation-delay: 0.2s; }
    .hero-subtitle { animation-delay: 0.4s; }
    .cta-buttons { animation-delay: 0.6s; }
}