/* ========== IMPORTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600;14..32,700;14..32,800&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.1/css/all.min.css');

/* ========== VARIABLES ========== */
:root {
    --primary: #1d4ed8;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary: #eff6ff;
    --dark: #0f172a;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ========== TYPOGRAPHY ========== */
h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
}

.section-title {
    text-align: center;
    margin-bottom: 48px;
}

.section-title h2 {
    margin-bottom: 16px;
}

.section-title p {
    color: var(--gray);
    font-size: 1.125rem;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* ========== HEADER ========== */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

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

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark);
}

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

.nav-desktop ul {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-desktop a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-desktop a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
    width: 100%;
}

.nav-desktop a:hover,
.nav-desktop a.active {
    color: var(--primary);
}

.btn-consultation {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 10px 24px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-consultation:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
}

.nav-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 20px;
    box-shadow: var(--shadow);
    flex-direction: column;
    gap: 20px;
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-mobile a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    display: block;
    padding: 12px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-mobile a:hover,
.nav-mobile a.active {
    background: var(--secondary);
    color: var(--primary);
}

.btn-consultation-mobile {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

/* ========== FOOTER ========== */
.main-footer {
    background: var(--dark);
    color: var(--light);
    padding: 64px 0 32px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.logo-icon-small {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.footer-logo h3 {
    font-size: 1.5rem;
    color: var(--white);
}

.footer-logo h3 span {
    color: var(--primary);
}

.footer-col p {
    opacity: 0.8;
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 24px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    text-decoration: none;
    color: var(--light);
    opacity: 0.8;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--primary-light);
    padding-left: 5px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.8;
}

.contact-list li i {
    width: 20px;
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    opacity: 0.7;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    text-decoration: none;
    color: var(--light);
    font-size: 0.875rem;
    opacity: 0.7;
    transition: var(--transition);
}

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

/* ========== PAGE HEADER ========== */
.page-header {
    background: linear-gradient(135deg, var(--dark), var(--primary-dark));
    color: var(--white);
    padding: 120px 0 60px;
    text-align: center;
    margin-top: 77px;
}

.page-header h1 {
    margin-bottom: 16px;
}

.page-header p {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .btn-consultation {
        display: none;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        justify-content: center;
    }
    
    .page-header {
        padding: 100px 0 50px;
    }
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}