/* ===================================
   SHARED STYLES - Multilogin RU Expert
   =================================== */

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

        html {
            scroll-behavior: smooth;
        }


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

/* ===== HEADER ===== */
header {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: white;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-decoration: none;
    color: white;
}

nav a {
    color: white;
    text-decoration: none;
    margin-left: 30px;
    transition: color 0.3s ease;
    font-size: 14px;
}

nav a:hover {
    color: #00d4ff;
}

/* ===== FOOTER ===== */
footer {
    background-color: #0d0d0d;
    color: #999;
    padding: 40px 0;
    font-size: 13px;
    border-top: 1px solid #2d2d2d;
    margin-top: 60px;
}

footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

footer h4 {
    color: white;
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 600;
}

footer a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-bottom: 8px;
}

footer a:hover {
    color: #00d4ff;
}

footer .footer-bottom {
    grid-column: 1 / -1;
    border-top: 1px solid #2d2d2d;
    padding-top: 30px;
    text-align: center;
}

/* ===== COMMON SECTIONS ===== */
.section {
    padding: 80px 0;
}

.section.dark {
    background-color: #1a1a1a;
    color: white;
}

.section.light {
    background-color: white;
}

.section.gray {
    background-color: #f9f9f9;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
}

.section-subtitle {
    font-size: 18px;
    text-align: center;
    opacity: 0.85;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-primary {
    background-color: #00d4ff;
    color: #1a1a1a;
}

.btn-primary:hover {
    background-color: #00b8d4;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 212, 255, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background-color: white;
    color: #1a1a1a;
    transform: translateY(-2px);
}

/* ===== CARDS ===== */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 40px;
    transition: all 0.3s ease;
    text-align: center;
}

.card:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
    transform: translateY(-5px);
    border-color: #00d4ff;
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.card p {
    color: #666;
    font-size: 15px;
    line-height: 1.7;
}

/* ===== LISTS ===== */
.list-check {
    list-style: none;
    margin-bottom: 25px;
}

.list-check li {
    padding-left: 30px;
    margin-bottom: 15px;
    position: relative;
    color: #555;
    font-size: 15px;
}

.list-check li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00d4ff;
    font-weight: bold;
    font-size: 18px;
}

/* ===== FAQ ===== */
.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    overflow: hidden;
}

.faq-question {
    background-color: #f9f9f9;
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #1a1a1a;
    transition: background-color 0.3s ease;
    user-select: none;
}

.faq-question:hover {
    background-color: #f0f0f0;
}

.faq-question.active {
    background-color: #e8f4ff;
}

.faq-toggle {
    font-size: 20px;
    color: #00d4ff;
    transition: transform 0.3s ease;
}

.faq-question.active .faq-toggle {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: white;
}

.faq-answer.active {
    padding: 20px;
    max-height: 500px;
}

.faq-answer p {
    color: #555;
    font-size: 15px;
    line-height: 1.8;
}

/* ===== RESPONSIVE ===== */
/* Image Optimization */
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Lazy Load Support */
        img[loading="lazy"] {
            background-color: #f0f0f0;
        }

        /* Core Web Vitals Optimization */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

        @media (max-width: 768px) {
    nav {
        display: none;
    }

    header .container {
        flex-direction: column;
        gap: 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
        display: block;
    }

    footer .container {
        grid-template-columns: 1fr;
    }
}