*, *::before, *::after {
    box-sizing: border-box;
}

.section-title {
    font-size: 3rem;
    color: white;
    margin-bottom: 60px;
    text-align: center;
    padding: 0 5vw;
}
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 5vw;
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}
.logo a {
    font-size: 1.8rem;
    font-weight: 900;
    color: #fff;
    text-decoration: none;
    letter-spacing: 2px;
}
.logo span {
    display: inline-block;
    animation: neon-flicker 3s infinite;
    animation-delay: calc(var(--i) * 0.15s);
}
@keyframes neon-flicker {
    0%, 18%, 22%, 25%, 53%, 57%, 100% {
        text-shadow: 0 0 4px #fff, 0 0 11px #FF6B00, 0 0 19px #FF6B00;
        color: #fff;
    }
    20%, 24%, 55% { text-shadow: none; color: #888; }
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
}
.main-nav ul {
    display: flex;
    gap: 40px;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-nav a {
    color: #ccc;
    text-decoration: none;
    font-weight: 500;
    padding: 10px 0;
    position: relative;
    transition: color 0.3s ease;
}
.main-nav a:hover {
    color: #FF6B00;
}
.dropdown {
    position: static; /* Важно для полноэкранного меню */
}
.mega-menu-content {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(18, 18, 18, 0.95);
    backdrop-filter: blur(15px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 40px 5vw;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}
.dropdown:hover .mega-menu-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mega-menu-column {
    flex: 1;
    max-width: 350px;
}
.mega-menu-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    border-radius: 12px;
    transition: background-color 0.3s ease;
}
.mega-menu-item:hover {
    background-color: rgba(255, 107, 0, 0.1);
}
.mega-menu-item i {
    font-size: 1.8rem;
    color: #FF6B00;
    margin-top: 5px;
}
.mega-menu-text h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin: 0 0 5px 0;
}
.mega-menu-text p {
    font-size: 0.9rem;
    color: #aaa;
    margin: 0;
    line-height: 1.5;
}
.dropdown > a i {
    font-size: 0.7em;
    margin-left: 5px;
    transition: transform 0.3s ease;
}
.dropdown:hover > a i {
    transform: rotate(180deg);
}
.lang-switcher {
    display: flex;
    gap: 8px;
    background-color: #222;
    padding: 5px;
    border-radius: 20px;
}
.lang-switcher a {
    padding: 6px 12px;
    color: #888;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 15px;
    transition: all 0.3s ease;
}
.lang-switcher a.active,
.lang-ru .lang-switcher a[data-lang="ru"],
.lang-ua .lang-switcher a[data-lang="ua"],
.lang-en .lang-switcher a[data-lang="en"] {
    background-color: #FF6B00;
    color: white;
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1001;
}


/* === Адаптивность === */
@media (max-width: 992px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        right: 0;
        width: 100%;
        background: rgba(13, 13, 13, 0.98);
        flex-direction: column;
        padding: 20px;
    }
    .main-nav.is-open {
        display: flex;
    }
    .main-nav ul {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    .main-nav li { width: 100%; }
    .main-nav a { display: block; padding: 15px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
    .dropdown .mega-menu-content { display: none; position: static; background: none; backdrop-filter: none; border-radius: 0; padding: 10px 0 10px 20px; margin-top: 0; opacity: 1; visibility: visible; transform: none; width: 100%; box-shadow: none; border: none; flex-direction: column; gap: 0; }
    .dropdown:hover .mega-menu-content { display: none; }
    .dropdown.is-open .mega-menu-content { display: flex; }
    .dropdown > a i { float: right; }
    .mobile-menu-toggle { display: block; }
    .lang-switcher {
        margin-top: 20px;
        padding: 10px;
        background: none;
        justify-content: center;
        width: 40%;
    }
}

@media (max-width: 576px) {
    .footer-container { grid-template-columns: 1fr; }
    .final-cta-content h3 { font-size: 2rem; }
    .lang-switcher { gap: 5px; }
    .lang-switcher a { padding: 6px 10px; font-size: 0.9rem; }
}

.step-guide-mobile {
    padding: 80px 20px;
    background-color: #111;
}
.step-guide-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
    padding-left: 30px; /* Отступ для линии */
}
/* Линия времени */
.step-guide-container::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 10px;
    bottom: 20px;
    width: 2px;
    background-color: #333;
}
.step-item-mobile {
    background-color: #1A1A1A;
    border-radius: 12px;
    border: 1px solid #282828;
    padding: 25px;
    position: relative;
}
/* Круг на линии времени */
.step-item-mobile::before {
    content: '';
    position: absolute;
    left: -45px;
    top: 25px;
    width: 20px;
    height: 20px;
    background-color: #111;
    border: 3px solid #FF6B00;
    border-radius: 50%;
    z-index: 1;
}
.step-number-mobile {
    position: absolute;
    top: -20px;
    right: 20px;
    font-size: 5rem;
    font-weight: 900;
    color: rgba(255, 107, 0, 0.1);
    line-height: 1;
    z-index: 0;
}
.step-content-mobile {
    position: relative;
    z-index: 1;
}
.step-content-mobile h3 {
    font-size: 1.8rem;
    color: #FF6B00;
    margin: 0 0 15px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}
.step-content-mobile h3 i {
    font-size: 1.5rem;
}
.step-content-mobile p {
    font-size: 1rem;
    line-height: 1.6;
    color: #ccc;
    margin: 0;
}

/* === Правила для скрытия/показа секций === */
.mobile-only {
    display: none;
}
@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }
    .mobile-only {
        display: block;
    }
    .section-title {
        font-size: 2.5rem;
    }
}