:root {
    --nav-color-bg: #EFE9E3;
    --nav-color-primary: #1C2E45;
    --nav-color-primary-soft: #2B4264;
    --nav-color-accent: #0074FF;
    --nav-color-text: #0E1621;
    --nav-color-text-soft: #4A5868;
    --nav-color-border-soft: #D6D7DB;
    --nav-shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.16);
    --nav-radius-pill: 999px;
    --nav-max-width: 1120px;
    --nav-height: 72px;
}

/* Ensure box-sizing */
.nav * {
    box-sizing: border-box;
}

.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
    background: linear-gradient(to bottom, rgba(239,233,227,0.9), rgba(239,233,227,0.75), rgba(239,233,227,0));
    border-bottom: 1px solid rgba(214,215,219,0.4);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.nav-container {
    width: 100%;
    max-width: var(--nav-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.nav-inner {
    height: var(--nav-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: radial-gradient(circle at 30% 0%, #4DA3FF, #1C2E45);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    overflow: hidden;
}

.nav-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-title {
    display: flex;
    flex-direction: column;
}

.nav-title-main {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--nav-color-primary);
    line-height: 1.2;
}

.nav-title-sub {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--nav-color-text-soft);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px;
}

.nav-link {
    text-decoration: none;
    color: var(--nav-color-text-soft);
    position: relative;
    padding-bottom: 4px;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--nav-color-primary);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--nav-color-accent), #4DA3FF);
    border-radius: 999px;
    transition: width 0.22s ease-out;
}

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

.nav-link.active {
    color: var(--nav-color-primary);
}

.nav-cta {
    padding: 8px 18px;
    border-radius: var(--nav-radius-pill);
    border: 1px solid rgba(28,46,69,0.2);
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--nav-color-primary);
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(0,0,0,0.06);
}

.nav-cta span.icon {
    display: inline-flex;
    width: 16px;
    height: 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--nav-color-accent), #4DA3FF);
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 11px;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    /* Inheritance fix */
    color: var(--nav-color-text-soft);
    font-size: 14px;
    padding-bottom: 4px;
}
.dropdown-toggle:hover {
    color: var(--nav-color-primary);
}

.dropdown-menu {
    position: absolute;
    top: 28px;
    left: 0;
    background: #FFFFFF;
    border: 1px solid var(--nav-color-border-soft);
    border-radius: 12px;
    box-shadow: var(--nav-shadow-soft);
    padding: 8px 0;
    display: none;
    min-width: 190px;
    z-index: 100;
}

/* Invisible bridge to prevent menu from closing when moving mouse from button to menu */
.dropdown-menu::before {
    content: "";
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: transparent;
}

.nav-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 7px 14px;
    font-size: 13px;
    color: var(--nav-color-text-soft);
    text-decoration: none;
    white-space: nowrap;
}

.dropdown-item:hover {
    background: rgba(28,46,69,0.06);
    color: var(--nav-color-primary);
}

/* Nav Toggle (Hamburger) */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--nav-color-primary);
    border-radius: 99px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Responsive */
@media (max-width: 700px) {
    .nav-toggle {
        display: flex;
    }

    .nav-inner {
        gap: 8px;
    }

    .nav-links {
        display: none;
        position: fixed;
        inset: 0;
        height: 100vh;
        background-color: var(--nav-color-bg, #EFE9E3);
        flex-direction: column;
        align-items: center;
        padding: 90px 20px 40px;
        z-index: 100;
        overflow-y: auto;
        gap: 24px;
    }

    /* Open State */
    .nav.mobile-open .nav-links {
        display: flex;
        animation: fadeIn 0.3s ease-out;
    }

    .nav.mobile-open .nav-toggle span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav.mobile-open .nav-toggle span:nth-child(2) {
        opacity: 0;
    }
    .nav.mobile-open .nav-toggle span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Mobile Typography */
    .nav-links .nav-link {
        font-size: 20px;
        font-weight: 500;
    }

    .nav-links .nav-cta {
        margin-top: 10px;
        width: 100%;
        max-width: 260px;
        justify-content: center;
        padding: 12px 20px;
    }

    /* Mobile Dropdown */
    .nav-dropdown {
        width: 100%;
        text-align: center;
    }

    /* Disable hover behavior on mobile */
    .nav-dropdown:hover .dropdown-menu {
        display: none;
    }

    .nav-dropdown.open .dropdown-menu {
        display: block;
        position: static !important;
        box-shadow: none !important;
        background: transparent !important;
        border: none !important;
        padding: 10px 0 0 0;
    }

    .dropdown-item {
        font-size: 16px;
        padding: 8px 0;
        color: var(--nav-color-text-soft);
    }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}