/* Modern Header Redesign */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 17, 40, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(0, 217, 255, 0.12);
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(0, 217, 255, 0.03) 0%, 
        transparent 50%, 
        rgba(0, 255, 136, 0.03) 100%
    );
    opacity: 0;
    transition: opacity 0.4s;
}

.site-header.scrolled {
    background: rgba(10, 17, 40, 0.97);
    border-bottom-color: rgba(0, 217, 255, 0.25);
    box-shadow: 
        0 4px 24px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 217, 255, 0.08);
}

.site-header.scrolled::before {
    opacity: 1;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    transition: padding 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header.scrolled .header-container {
    padding: 12px 40px;
}

/* Logo Section */
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-wrapper:hover {
    transform: scale(1.02);
}

.logo {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 0 12px rgba(0, 217, 255, 0.4));
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.site-header.scrolled .logo {
    height: 36px;
}

.logo-wrapper:hover .logo {
    filter: drop-shadow(0 0 20px rgba(0, 217, 255, 0.7));
}

.brand-name {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, var(--color-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

/* Navigation */
.main-nav {
    display: none;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 15px;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(0, 255, 136, 0.1));
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 10px;
}

.nav-link:hover {
    color: #fff;
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-teal), var(--color-cyan));
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

/* Header Actions */
.header-actions {
    display: none;
    align-items: center;
    gap: 12px;
}

.btn-trial {
    padding: 11px 32px;
    font-size: 15px;
    font-weight: 700;
    color: var(--color-navy);
    background: linear-gradient(135deg, var(--color-neon-green), var(--color-teal));
    border-radius: 0;
    box-shadow: 0 4px 16px rgba(0, 255, 136, 0.3);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    display: inline-block;
}

.btn-trial::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s;
}

.btn-trial:hover::before {
    left: 100%;
}

.btn-trial:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 6px 24px rgba(0, 255, 136, 0.5),
        0 0 40px rgba(0, 217, 255, 0.3);
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 12px;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(0, 217, 255, 0.1);
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2.5px;
    background: linear-gradient(90deg, var(--color-teal), var(--color-cyan));
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 0 8px rgba(0, 217, 255, 0.4);
}

.site-header.nav-open .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.site-header.nav-open .hamburger span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.site-header.nav-open .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Mobile Menu */
.site-header.nav-open .main-nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 17, 40, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    padding: 24px 24px 32px;
    border-bottom: 2px solid rgba(0, 217, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: slideDown 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    gap: 0;
}

.site-header.nav-open .nav-link {
    padding: 16px 20px;
    font-size: 17px;
    text-align: left;
    border-radius: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.site-header.nav-open .nav-link:last-child {
    border-bottom: none;
}

.site-header.nav-open .nav-link:hover {
    padding-left: 28px;
    background: rgba(0, 217, 255, 0.08);
}

.site-header.nav-open .header-actions {
    display: flex;
    margin-top: 16px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header.nav-open .btn-trial {
    width: 100%;
    text-align: center;
    justify-content: center;
    padding: 16px;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Desktop Responsive */
@media (min-width: 1024px) {
    .hamburger {
        display: none;
    }

    .main-nav {
        display: flex !important;
        position: static !important;
        flex-direction: row !important;
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
    }

    .nav-link {
        font-size: 14px;
        padding: 10px 14px;
    }

    .header-actions {
        display: flex;
    }

    .site-header.nav-open .header-actions {
        margin-top: 0;
        padding-top: 0;
        border-top: none;
    }

    .site-header.nav-open .btn-trial {
        width: auto;
    }
}

@media (min-width: 1280px) {
    .nav-link {
        font-size: 15px;
        padding: 10px 16px;
    }
}