:root {
    --primary-blue: #0046ad;
    --dark-blue: #002b6b;
    --light-blue: #e8f0fe;
    --light-bg: #f8f9fb;
    --text-dark: #1a1a1a;
    --text-gray: #555;
    --white: #ffffff;
    --border-color: #e0e5ec;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

h1, h2, h3, h4, .logo {
    font-family: 'Montserrat', sans-serif;
}

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

/* Animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}
.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}
.header-inner {
    display: flex; justify-content: space-between; align-items: center;
}
.logo {
    font-size: 24px; font-weight: 800; color: var(--primary-blue);
    display: flex; align-items: center; gap: 8px; text-transform: uppercase;
}
.logo span { font-weight: 500; color: var(--text-dark); }

.nav-menu { display: flex; align-items: center; }
.nav-links { display: flex; list-style: none; gap: 30px; margin: 0; padding: 0; }
.nav-links a {
    text-decoration: none; color: var(--text-dark); font-size: 13px; font-weight: 600;
    text-transform: uppercase; transition: var(--transition);
}
.nav-links a:hover { color: var(--primary-blue); }

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    z-index: 1001;
}
.hamburger span {
    width: 25px; height: 3px; background-color: var(--text-dark);
    transition: var(--transition); border-radius: 2px;
}

/* Language Switcher */
.lang-switch { display: flex; gap: 12px; margin-left: 25px; border-left: 1px solid var(--border-color); padding-left: 25px; align-items: center; }
.lang-switch a { text-decoration: none; font-size: 13px; font-weight: 700; color: var(--text-dark); transition: var(--transition); opacity: 0.6; padding: 4px 0; }
.lang-switch a:hover { color: var(--primary-blue); opacity: 1; }
.lang-switch a.active { color: var(--primary-blue); opacity: 1; border-bottom: 2px solid var(--primary-blue); }

/* Buttons */
.btn-main, .btn-outline {
    display: inline-block;
    padding: 14px 28px; border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 14px;
    border: none; cursor: pointer; transition: var(--transition); text-align: center;
}
.btn-main { background: var(--primary-blue); color: var(--white); box-shadow: 0 4px 15px rgba(0, 70, 173, 0.3); }
.btn-main:hover { background: var(--dark-blue); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 70, 173, 0.4); }
.btn-main.small { padding: 10px 20px; font-size: 13px; }
.btn-outline { background: transparent; color: var(--text-dark); border: 2px solid var(--border-color); }
.btn-outline:hover { border-color: var(--primary-blue); color: var(--primary-blue); }

/* Hero */
.hero {
    display: flex; justify-content: space-between; align-items: center; padding: 80px 20px;
    position: relative; min-height: 80vh;
}
.hero-left { max-width: 55%; z-index: 2; }
.hero-title { font-size: 42px; font-weight: 800; color: var(--text-dark); line-height: 1.2; margin-bottom: 25px; }
.hero-subtitle { font-size: 18px; color: var(--text-gray); margin-bottom: 40px; }
.hero-buttons { display: flex; gap: 15px; }

.hero-right { position: relative; width: 40%; }
.consultation-box {
    position: absolute; bottom: -20px; left: -40px;
    background: var(--white); padding: 30px; border-radius: 20px;
    z-index: 2; box-shadow: var(--shadow); text-align: center;
    max-width: 280px; border: 1px solid var(--border-color);
}
.consultation-box p { font-size: 15px; margin-bottom: 15px; font-weight: 700; color: var(--primary-blue); }
.hero-img-container {
    width: 100%; height: 500px; background: var(--light-blue); border-radius: 30px;
    overflow: hidden; position: relative;
}
.hero-img-container img { width: 100%; height: 100%; object-fit: cover; }
.hero-img-container::after {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to top right, rgba(0,70,173,0.2), transparent);
}

/* Stats */
.stats { display: flex; justify-content: space-around; padding: 40px 0; border-bottom: 1px solid var(--border-color); text-align: center; }
.stat-item h3 { font-size: 48px; font-weight: 800; color: var(--primary-blue); margin-bottom: 5px; }
.stat-item p { font-size: 15px; font-weight: 600; color: var(--text-gray); text-transform: uppercase; letter-spacing: 1px; }

/* Section Headers */
.section-header { margin-bottom: 50px; text-align: left; }
.section-header h2 { font-size: 32px; font-weight: 800; color: var(--text-dark); position: relative; display: inline-block; padding-bottom: 10px; }
.section-header h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 4px; background: var(--primary-blue); border-radius: 2px; }

/* About */
.about { padding: 100px 20px; }
.about-content { display: flex; gap: 60px; align-items: center; }
.about-img { flex: 1; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); }
.about-img img { width: 100%; display: block; object-fit: cover; max-height: 500px; }
.about-text { flex: 1; }
.about-text h3 { font-size: 24px; color: var(--primary-blue); margin-bottom: 20px; line-height: 1.4; }
.about-text p { margin-bottom: 15px; font-size: 16px; color: var(--text-gray); }
.about-btn { margin-top: 30px; }

/* Services */
.services { padding: 100px 20px; background: var(--light-bg); border-radius: 30px; margin-top: 50px; }
.services-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 50px; }
.services-header h2 { font-size: 32px; font-weight: 800; }
.services-desc { max-width: 400px; font-size: 16px; color: var(--text-gray); margin-bottom: 40px; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    grid-gap: 25px;
}
.s-card {
    background: var(--white); border-radius: 20px; padding: 35px 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.04); transition: var(--transition);
    border: 1px solid transparent;
    display: flex; flex-direction: column;
}
.s-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--light-blue); }
.s-large { grid-column: span 2; }
.s-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 15px; color: var(--text-dark); }
.s-card p { font-size: 14px; color: var(--text-gray); margin-bottom: 20px; flex-grow: 1; }
.s-link { font-size: 14px; font-weight: 700; color: var(--primary-blue); text-decoration: none; margin-top: auto; }
.s-blue { background: var(--primary-blue); color: var(--white); }
.s-blue h3, .s-blue p, .s-blue .s-link { color: var(--white); }

/* Prices */
.prices { padding: 100px 20px; }
.prices-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.price-card {
    background: var(--white); border: 1px solid var(--border-color); border-radius: 20px;
    padding: 40px 30px; text-align: center; transition: var(--transition); position: relative;
    display: flex; flex-direction: column;
}
.price-card:hover { box-shadow: var(--shadow); border-color: var(--primary-blue); }
.price-card.popular { background: var(--light-bg); border-color: var(--primary-blue); border-width: 2px; }
.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--primary-blue); color: #fff; padding: 5px 15px; border-radius: 20px; font-size: 12px; font-weight: bold; }
.price-card h3 { font-size: 18px; margin-bottom: 20px; min-height: 45px; }
.price { font-size: 36px; font-weight: 800; color: var(--primary-blue); margin-bottom: 30px; }
.price span { font-size: 14px; font-weight: 600; color: var(--text-gray); display: block; }
.price-features { list-style: none; margin-bottom: 30px; text-align: left; flex-grow: 1; }
.price-features li { margin-bottom: 15px; font-size: 14px; color: var(--text-gray); }
.price-card .btn-main { width: 100%; margin-top: auto; }

/* Advantages */
.advantages { padding: 100px 20px; background: var(--dark-blue); color: var(--white); border-radius: 30px; text-align: center; }
.advantages h2 { font-size: 32px; margin-bottom: 50px; }
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
.adv-item { background: rgba(255,255,255,0.05); padding: 30px 20px; border-radius: 20px; transition: var(--transition); }
.adv-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); }
.adv-icon { font-size: 40px; margin-bottom: 20px; }
.adv-item h4 { font-size: 18px; margin-bottom: 10px; }
.adv-item p { font-size: 14px; color: #ccc; }

/* How we work */
.how-we-work { padding: 100px 20px; }
.how-we-work h2 { font-size: 32px; text-align: center; margin-bottom: 60px; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; counter-reset: step; }
.step-item { text-align: center; padding: 20px; }
.step-num { width: 60px; height: 60px; background: var(--light-blue); color: var(--primary-blue); font-size: 24px; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; }
.step-item h4 { font-size: 18px; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-gray); }

/* Reviews */
.reviews { padding: 100px 20px; background: var(--light-bg); border-radius: 30px; }
.reviews h2 { font-size: 32px; text-align: center; margin-bottom: 50px; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.review-card { background: var(--white); padding: 40px; border-radius: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.03); }
.review-card.active { box-shadow: var(--shadow); transform: scale(1.02); }
.review-card p { font-size: 15px; font-style: italic; color: var(--text-gray); margin-bottom: 30px; line-height: 1.8; }
.reviewer { display: flex; align-items: center; gap: 15px; }
.avatar { width: 50px; height: 50px; background: var(--light-blue); color: var(--primary-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; }
.r-info strong { display: block; font-size: 16px; color: var(--text-dark); }
.r-info span { font-size: 13px; color: var(--text-gray); }

/* Contact */
.contact { padding: 100px 20px; }
.contact h2 { font-size: 32px; margin-bottom: 15px; text-align: center; }
.contact-subtitle { text-align: center; color: var(--text-gray); margin-bottom: 50px; }
.contact-wrapper { display: flex; gap: 50px; background: var(--white); border-radius: 30px; box-shadow: var(--shadow); padding: 40px; }
.map-container { flex: 1; min-height: 400px; position: relative; }
.form-container { flex: 1; display: flex; flex-direction: column; gap: 30px; }
.contact-info-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.c-card { background: var(--light-bg); padding: 15px; border-radius: 10px; display: flex; align-items: center; gap: 10px; }
.c-icon { font-size: 20px; }
.c-card p { font-size: 14px; font-weight: 600; }

form input, form textarea {
    width: 100%; padding: 18px; margin-bottom: 20px; border: 1px solid var(--border-color);
    border-radius: 12px; font-family: inherit; font-size: 15px; background: var(--light-bg);
    transition: var(--transition);
}
form input:focus, form textarea:focus { outline: none; border-color: var(--primary-blue); background: var(--white); box-shadow: 0 0 0 4px rgba(0,70,173,0.1); }
.submit-btn { width: 100%; font-size: 16px; padding: 18px; border-radius: 12px; }
.form-status { margin-top: 15px; font-weight: 600; text-align: center; padding: 10px; border-radius: 8px; }
.success { background: #d4edda; color: #155724; }
.error { background: #f8d7da; color: #721c24; }

/* Footer */
footer { padding: 60px 0 40px; border-top: 1px solid var(--border-color); background: var(--white); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 30px; }
.f-col.logo-col p { font-size: 14px; color: var(--text-gray); margin-top: 10px; }
.nav-footer { display: flex; gap: 20px; flex-wrap: wrap; justify-content: center; }
.nav-footer a { text-decoration: none; color: var(--text-dark); font-size: 13px; font-weight: 600; text-transform: uppercase; transition: var(--transition); }
.nav-footer a:hover { color: var(--primary-blue); }
.social { display: flex; gap: 15px; justify-content: flex-end; }
.social a { text-decoration: none; color: var(--white); background: var(--primary-blue); width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 50%; font-weight: 600; transition: var(--transition); }
.social a:hover { background: var(--dark-blue); transform: translateY(-3px); }

/* Responsive Design */
@media (max-width: 1024px) {
    .hero { flex-direction: column; text-align: center; padding: 60px 20px; }
    .hero-left { max-width: 100%; margin-bottom: 60px; }
    .hero-right { width: 100%; max-width: 600px; margin: 0 auto; }
    .hero-buttons { justify-content: center; }
    .consultation-box { bottom: -30px; left: 50%; transform: translateX(-50%); width: 90%; max-width: 320px; }
    
    .about-content { flex-direction: column; }
    .about-img img { max-height: 400px; }
    
    .services-header { flex-direction: column; align-items: flex-start; gap: 15px; }
    
    .contact-wrapper { flex-direction: column; padding: 20px; }
    .map-container { min-height: 300px; }
}

@media (max-width: 768px) {
    /* Mobile Menu */
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed; top: 0; left: -100%; width: 100%; height: 100vh;
        background: var(--white); flex-direction: column; align-items: center; justify-content: center;
        transition: 0.4s cubic-bezier(0.77,0.2,0.05,1.0); z-index: 999;
    }
    .nav-menu.active { left: 0; }
    .nav-links { flex-direction: column; text-align: center; gap: 30px; }
    .nav-links a { font-size: 18px; }
    
    .lang-switch { 
        margin: 40px 0 0; 
        border-left: none; 
        border-top: 1px solid var(--border-color); 
        padding: 30px 0 0; 
        justify-content: center; 
        width: 60%; 
        gap: 20px;
    }
    .lang-switch a { font-size: 18px; }

    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

    .hero-title { font-size: 32px; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .btn-main, .btn-outline { width: 100%; }
    
    .stats { flex-direction: column; gap: 40px; }
    .s-large { grid-column: span 1; }
    
    .contact-info-cards { grid-template-columns: 1fr; }
    
    .footer-inner { flex-direction: column; text-align: center; }
    .social { justify-content: center; width: 100%; }
}