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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333333;
    background-color: #F9F9F9;
    overflow-x: hidden;
}

/* ===== COLOR VARIABLES ===== */
:root {
    --primary: #0B7285;
    --secondary: #FFB300;
    --accent: #2ECC71;
    --background: #F9F9F9;
    --text: #333333;
    --button-hover: #FF6F61;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --border: #e0e0e0;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 3rem;
    animation: slideInLeft 1s ease-out;
}

h2 {
    font-size: 2.5rem;
    animation: fadeInUp 0.8s ease-out;
}

h3 {
    font-size: 2rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    animation: fadeInUp 1s ease-out 0.3s both;
}

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

.section {
    padding: 80px 0;
    animation: fadeInUp 0.8s ease-out;
}

.section:nth-child(even) {
    background-color: var(--white);
}

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.logo {
    height: 50px;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1);
}

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

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a:hover {
    color: var(--secondary);
    transform: translateY(-2px);
}

nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--secondary);
    transition: width 0.3s ease;
}

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

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 150px 0 100px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('./img/KDaSq4.jpg') center/cover;
    opacity: 0.1;
    z-index: 1;
}

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

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

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 15px 30px;
    background: var(--secondary);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(255, 179, 0, 0.3);
    animation: pulse 2s infinite;
}

.btn:hover {
    background: var(--button-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 111, 97, 0.4);
}

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

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

/* ===== GRID LAYOUTS ===== */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

/* ===== CARDS ===== */
.card {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 0.8s ease-out;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.card:hover img {
    transform: scale(1.05);
}

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

.card p {
    color: var(--text);
    animation: none;
}

/* ===== FEATURES SECTION ===== */
.features {
    background: var(--white);
}

.feature-item {
    text-align: center;
    padding: 2rem;
    animation: fadeInUp 0.8s ease-out;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--white);
    animation: float 3s ease-in-out infinite;
}

/* ===== SERVICES SECTION ===== */
.service-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 179, 0, 0.1), transparent);
    transition: left 0.5s ease;
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    border-color: var(--secondary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 179, 0, 0.2);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1rem 0;
}

/* ===== TESTIMONIALS ===== */
.testimonial {
    background: var(--white);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    position: relative;
    animation: slideInRight 0.8s ease-out;
}

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

.testimonial-author {
    font-weight: 600;
    color: var(--primary);
    margin-top: 1rem;
}

/* ===== FAQ SECTION ===== */
.faq-item {
    background: var(--white);
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.faq-question {
    background: var(--primary);
    color: var(--white);
    padding: 1.5rem;
    cursor: pointer;
    transition: background 0.3s ease;
    position: relative;
}

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

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 1.5rem;
    display: none;
    animation: fadeInUp 0.3s ease-out;
}

/* FAQ Toggle Effect (CSS only) */
.faq-item:target .faq-answer {
    display: block;
}

.faq-item:target .faq-question::after {
    transform: translateY(-50%) rotate(45deg);
}

/* ===== FORM STYLES ===== */
.form-container {
    background: linear-gradient(135deg, var(--white) 0%, var(--light-gray) 100%);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 10px rgba(255, 179, 0, 0.2);
    transform: translateY(-2px);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 1rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 5px;
}

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

/* ===== FOOTER ===== */
footer {
    background: linear-gradient(135deg, var(--primary) 0%, var(--text) 100%);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

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

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
    font-size: 0.9rem;
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    z-index: 1001;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 1rem;
}

.cookie-text {
    flex: 1;
}

.cookie-btn {
    background: var(--secondary);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.cookie-btn:hover {
    background: var(--button-hover);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    /* Открепляем header в мобильной версии */
    header {
        position: relative;
        box-shadow: none;
    }
    
    .hero {
        padding: 80px 0 60px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    /* Убираем отступ сверху для первой секции после header */
    .section:first-of-type {
        padding-top: 60px;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .form-container {
        padding: 2rem;
        margin: 0 15px;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 12px 25px;
        font-size: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .form-container {
        padding: 1.5rem;
    }
    
    /* Дополнительные настройки для очень маленьких экранов */
    .hero {
        padding: 60px 0 40px;
    }
    
    .section:first-of-type {
        padding-top: 40px;
    }
}

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

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

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

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

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

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.hidden {
    display: none;
}

.visible {
    display: block;
}