/* =========================================
   Top Ornament
   ========================================= */
.top-ornament {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 32px;
    z-index: 1001;
    overflow: hidden;
    transition: all var(--transition-spring);
    pointer-events: none;
    background-color: var(--color-bg);
}

.top-ornament.is-scrolled {
    height: 16px;
    top: 0;
    z-index: 999;
    background-color: var(--color-white);
    border-bottom: 2px solid rgba(var(--color-primary-rgb), 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.ornament-line {
    position: absolute;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-light), var(--color-primary), var(--color-primary-dark));
    -webkit-mask-image: url('../img/ornament_single.svg');
    mask-image: url('../img/ornament_single.svg');
    -webkit-mask-repeat: repeat-x;
    mask-repeat: repeat-x;
    transition: all var(--transition-spring);
}

.top-ornament.is-scrolled .ornament-line {
    opacity: 0.8;
    animation: top-ornament-belt 90s linear infinite;
}

.ornament-line--top {
    top: 0;
    left: -468px;
    width: calc(100% + 468px);
    height: 32px;
    -webkit-mask-size: 39px 32px;
    mask-size: 39px 32px;
    opacity: 1;
    will-change: transform;
}

.top-ornament.is-scrolled .ornament-line--top {
    height: 16px;
    -webkit-mask-size: 19px 16px;
    mask-size: 19px 16px;
}

.top-ornament-spacer {
    height: calc(32px + var(--space-md));
    width: 100%;
}

@keyframes top-ornament-belt {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(468px, 0, 0); }
}

/* =========================================
   Navbar
   ========================================= */
.navbar {
    position: sticky;
    top: var(--space-md);
    width: calc(100% - 2 * var(--space-md));
    margin: 0 auto var(--space-xl);
    background: rgba(var(--color-white-rgb), 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.navbar__container {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1300px;
}

.navbar__logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.navbar__logo-full {
    height: 40px;
    width: auto;
    display: block;
}

.navbar__logo-compact {
    display: none;
    height: 40px;
    width: auto;
}

.navbar__menu {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
}

.navbar__links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin: 0;
    padding: 0;
    margin-left: 1.5rem;
}

.navbar__links a {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.navbar__links a:hover,
.navbar__links a.active {
    color: var(--color-primary);
}

.navbar__links a.active {
    box-shadow: 0 2px 0 0 var(--color-primary);
}

.navbar__divider {
    width: 1px;
    height: 20px;
    background-color: var(--color-border);
    margin: 0 var(--space-sm);
}

.navbar__link-external {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-dark-blue) !important;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    background: rgba(var(--color-primary-rgb), 0.03);
}

.navbar__link-external:hover {
    background-color: rgba(var(--color-primary-rgb), 0.08);
    transform: translateY(-1px);
}

.navbar__external-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Hamburger Toggle — hidden on desktop */
.navbar__toggle {
    display: none;
}

/* ---- Responsive ---- */
@media (max-width: 1280px) and (min-width: 1025px) {
    .navbar__container {
        gap: 0.5rem;
    }

    .navbar__links {
        gap: 0.8rem;
    }
}

@media (max-width: 1024px) {
    .navbar {
        width: 100%;
        top: 0;
        border-radius: 0;
        margin: 0 0 var(--space-xl) 0;
    }

    .navbar__toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        cursor: pointer;
        padding: 10px;
        z-index: 1001;
        background: none;
        border: none;
    }

    .navbar__toggle span {
        display: block;
        width: 25px;
        height: 2px;
        background: var(--color-primary);
        transition: var(--transition-base);
    }

    .navbar__menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--color-border);
    }

    .navbar__menu--open {
        display: flex;
        padding: var(--space-lg) 0;
    }

    .navbar__links {
        flex-direction: column;
        width: 100%;
        margin-left: 0;
        gap: 0;
    }

    .navbar__links li {
        width: 100%;
        text-align: center;
    }

    .navbar__links a {
        display: block;
        padding: var(--space-md);
        font-size: var(--font-size-md);
    }

    .navbar__link-external {
        display: inline-flex;
        justify-content: center;
        width: 100%;
    }

    .navbar__divider {
        width: 80%;
        height: 1px;
        margin: var(--space-md) auto;
    }

    /* Animate hamburger to X */
    .navbar__toggle--open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

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

    .navbar__toggle--open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
}

@media (max-width: 480px) {
    .navbar__logo-full {
        display: none;
    }

    .navbar__logo-compact {
        display: block;
        height: 110px;
    }
}