/* ===== HEADER GLOBAL ===== */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.12);
    transition: all 0.3s ease;
    height: 80px;
    display: flex;
    align-items: center;
}
nav {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 0 5%;
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    width: 100%;
}
.logo {
    padding: 0;
    margin-right: 48px;
    height: 100%;
    display: flex;
    align-items: center;
}
.logo img {
    height: 56px;
    width: auto;
    transition: all 0.3s;
    filter: drop-shadow(0 0 16px rgba(0,212,255,0.18));
}
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
    margin-right: 2rem;
    align-items: center;
}
.nav-menu a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}
.nav-menu a:hover {
    color: #7c3aed;
    background: rgba(124, 58, 237, 0.08);
}
.nav-menu a.active {
    background: #7c3aed;
    color: #fff;
    font-weight: 600;
}
.offer-btn, .offer-btn-desktop {
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, #8B5CF6, #A855F7);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
    margin-left: 1rem;
    box-shadow: 0 2px 12px #7c3aed33;
}
.offer-btn::before, .offer-btn-desktop::before {
    content: '🎁';
    margin-right: 0.5rem;
}
.offer-btn:hover, .offer-btn-desktop:hover {
    background: linear-gradient(135deg, #A855F7, #8B5CF6);
    color: #23234a;
}
.burger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    margin-left: auto;
}
.burger span {
    width: 28px;
    height: 3px;
    background: #fff;
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== MENU MOBILE ===== */
@media (max-width: 900px) {
    header { height: 65px; }
    .logo img { height: 40px; }
    .nav-menu {
        position: fixed;
        top: 0; left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(20,20,40,0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 80px 0 0 0;
        z-index: 2000;
        left: -100vw;
        transition: left 0.3s;
        box-shadow: 0 8px 32px #0004;
        gap: 0;
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { width: 100%; }
    .nav-menu a {
        display: block;
        width: 100%;
        padding: 1.1rem 2rem;
        color: #fff;
        font-size: 1.08rem;
        border-radius: 10px;
        margin-bottom: 0.3rem;
        text-align: left;
        transition: background 0.2s, color 0.2s;
    }
    .nav-menu a.active, .nav-menu a:active {
        background: #7c3aed;
        color: #fff;
        font-weight: 600;
    }
    .nav-menu a:hover {
        background: #23234a;
        color: #a78bfa;
    }
    .has-dropdown > a { position: relative; padding-right: 2.2rem; }
    .has-dropdown .arrow {
        position: absolute; right: 1.2rem; top: 50%; transform: translateY(-50%); font-size: 1rem;
    }
    .dropdown {
        display: none;
        flex-direction: column;
        background: #23234a;
        border-radius: 8px;
        margin: 0.2rem 0 0 1.5rem;
        box-shadow: 0 2px 8px #0002;
        min-width: 180px;
        position: static;
    }
    .dropdown li a {
        padding: 0.9rem 1.2rem;
        font-size: 1rem;
        color: #fff;
        border-radius: 6px;
    }
    .dropdown li a:hover {
        background: #7c3aed;
        color: #fff;
    }
    .has-dropdown.open > .dropdown { display: flex; }
    .separator-mobile {
        border-bottom: 1.5px solid #23234a;
        margin: 1.2rem 0 1.2rem 0;
        width: 90%;
        height: 0;
        list-style: none;
    }
    .offer-btn-mobile {
        display: block;
        width: 90%;
        margin: 0 auto 1.2rem auto;
        background: #7c3aed;
        color: #fff;
        font-weight: 600;
        border-radius: 10px;
        font-size: 1.1rem;
        padding: 1rem 0;
        text-align: center;
        box-shadow: 0 2px 12px #7c3aed33;
        border: none;
        transition: background 0.2s;
    }
    .offer-btn-mobile:hover {
        background: #a78bfa;
        color: #23234a;
    }
    .offer-btn-desktop { display: none !important; }
    .burger { display: flex; }
}
@media (min-width: 901px) {
    .nav-menu { display: flex !important; position: static; height: auto; background: none; box-shadow: none; flex-direction: row; align-items: center; gap: 2rem; padding: 0; left: 0; }
    .offer-btn-mobile { display: none !important; }
    .burger { display: none !important; }
}