/* Kamos Common Navigation CSS */
@import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@400;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');

body {
    opacity: 0;
}

body.knav-ready {
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.knav-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10000;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: 'Josefin Sans', 'Noto Sans JP', sans-serif;
    opacity: 0;
    transform: translateY(-20px);
    animation: knav-entrance 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes knav-entrance {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.knav-bar {
    max-width: 1280px;
    margin: 1.5rem auto;
    padding: 0.75rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
}

.knav-container.scrolled .knav-bar {
    margin: 0.5rem auto;
    background: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 1.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.knav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.knav-logo img {
    height: 1.75rem;
    width: auto;
}

.knav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.knav-item {
    position: relative;
}

.knav-link {
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    color: #374151;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.knav-link:hover {
    color: #F472B6;
    /* kamos-sakura */
}

.knav-link svg {
    width: 1rem;
    height: 1rem;
    transition: transform 0.3s ease;
}

.knav-item:hover .knav-link svg {
    transform: rotate(180deg);
}

/* Dropdown */
.knav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    min-width: 220px;
    border-radius: 1.5rem;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
}

.knav-item:hover .knav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(15px);
}

.knav-dropdown-item {
    margin-bottom: 0.25rem;
}

.knav-dropdown-item:last-child {
    margin-bottom: 0;
}

.knav-dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: #4b5563;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.knav-dropdown-link:hover {
    background: rgba(244, 114, 182, 0.1);
    color: #F472B6;
    padding-left: 1.25rem;
}

.knav-cta {
    display: flex;
    align-items: center;
}

.knav-btn {
    background: #111827;
    /* Dark slate */
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 999px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.knav-btn:hover {
    background: #F472B6;
    /* kamos-sakura */
    box-shadow: 0 6px 20px rgba(244, 114, 182, 0.4);
    transform: translateY(-2px);
}

/* Mobile Toggle */
.knav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.knav-toggle span {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: #111827;
    margin: 0.35rem 0;
    transition: 0.4s;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .knav-menu {
        display: none;
    }

    .knav-bar {
        margin: 1rem;
        padding: 0.5rem 1.25rem;
    }

    .knav-toggle {
        display: block;
    }

    .knav-cta {
        display: none;
    }
}

/* Mobile Menu Active State (handled by JS) */
.knav-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: white;
    z-index: 9999;
    padding: 6rem 2rem 3rem;
    transform: translateY(-100%);
    visibility: hidden;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0.6s;
    overflow-y: auto;
    /* Enable vertical scroll */
    -webkit-overflow-scrolling: touch;
}

.knav-mobile-overlay.active {
    transform: translateY(0);
    visibility: visible;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), visibility 0s 0s;
}

.knav-mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.knav-mobile-item {
    margin-bottom: 1.5rem;
    /* Reduced from 2rem */
}

.knav-mobile-link {
    font-size: 1.4rem;
    /* Reduced from 1.75rem */
    font-weight: 700;
    color: #111827;
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.knav-mobile-sub {
    margin-top: 0.75rem;
    /* Reduced from 1rem */
    padding-left: 1rem;
    border-left: 2px solid #F3F4F6;
}

.knav-mobile-sub-link {
    display: block;
    padding: 0.4rem 0;
    /* Reduced from 0.5rem */
    font-size: 0.95rem;
    /* Reduced from 1.1rem */
    font-weight: 500;
    color: #6B7280;
    text-decoration: none;
}