/* =========================
   HEADER SYSTEM
========================= */

.unified-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: transparent;
    transition:
        background 0.3s ease,
        box-shadow 0.3s ease;
}

.unified-header.scrolled {
    background: rgba(10, 10, 10, 0.88);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

/* Layout */
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
}

/* Logo */
.logo-box img {
    height: 42px;
    transition: all 0.3s ease;
}

.unified-header.scrolled .logo-box img {
    height: 38px;
}

/* =========================
   NAVIGATION
========================= */

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 34px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav a {
    position: relative;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    opacity: 0.85;
}

.main-nav a:hover {
    opacity: 1;
}

/* Gradient underline */
.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #fa33a1, #553add);
    transition: width 0.25s ease;
}

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

/* =========================
   CTA BUTTON
========================= */

.nav-btn {
    padding: 10px 22px;
    border-radius: 999px;
    background: linear-gradient(90deg, #fa33a1, #553add);
    color: #fff !important;
    font-size: 14px;
    font-weight: 600;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(250, 51, 161, 0.35);
}

/* =========================
   MOBILE
========================= */

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 26px;
    height: 2px;
    background: #fff;
    transition: all 0.3s ease;
}

/* Animated hamburger → X */
.mobile-toggle.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile menu */
@media (max-width: 900px) {
    .mobile-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 78px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.96);
        backdrop-filter: blur(10px);
        transform: translateY(-20px);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 30px 20px;
        gap: 22px;
    }
}