/* Общие стили */
:root {
    --coolair-600: #3b82f6;
    --coolair-700: #2563eb;
    --coolair-800: #1d4ed8;
    --gray-900: #111827;
    --gray-700: #374151;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding-top: 80px;
    background-color: #f0f9ff;
}

/* Стили шапки */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 18px 0;
}



.logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    height: 40px;
    width: 40px;
    border-radius: 6px;
    background: var(--coolair-600);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-letter {
    color: var(--white);
    font-weight: bold;
    font-size: 1.25rem;
}

.logo-text {
    font-family: 'Arial', sans-serif;
    font-weight: bold;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.nav {
    display: none;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--gray-900);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--coolair-700);
}

.phone {
    display: none;
    align-items: center;
    gap: 8px;
    color: var(--coolair-700);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.phone:hover {
    color: var(--coolair-800);
}

.phone-icon {
    height: 20px;
    width: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.menu-button {
    display: block;
    color: var(--gray-700);
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s ease;
}

.menu-button:hover {
    color: var(--coolair-600);
}

.menu-icon {
    height: 24px;
    width: 24px;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}



/* Адаптивность */
@media (min-width: 768px) {
    .nav {
        display: flex;
    }
    
    .phone {
        display: flex;
    }
    
    .menu-button {
        display: none;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 767px) {
    .nav.mobile-visible {
        display: flex;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: normal;
        padding: 20px;
        gap: 10px;
        box-shadow: var(--shadow);
        animation: slideDown 0.3s ease-out;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}