/* =========================================================
   NAVBAR
   Logo + name on the left, links + actions on the right,
   empty center. Premium hover micro-interactions, animated
   dropdown, and a mobile drawer.
========================================================= */
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) var(--space-8);
    background: var(--surface-primary);
    border-bottom: 1px solid var(--border-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

/* =========================================================
   BRAND
========================================================= */
.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
}

.nav-logo-mark {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.nav-logo-mark img {
    width: 100%;
    height: 100%;
    display: block;
}

.nav-logo:hover .nav-logo-mark {
    transform: rotate(-6deg) scale(1.06);
}

.nav-logo-text {
    font-family: var(--font-brand);
    font-size: 1.75rem;
    font-weight: var(--font-semi-bold);
    letter-spacing: -0.01em;
    line-height: 1;
    color: var(--text-primary);
}

/* recolor ONLY the "i" tittle: a hard-stop gradient clipped to the glyph.
   The 0.33em stop must land in the gap between the dot and the stem —
   nudge it down to colour more, up to colour less. */
.nav-logo-text .brand-i {
    color: transparent;
    background-image: linear-gradient(
        to bottom,
        var(--color-primary) 0 0.40em,
        var(--text-primary) 0.40em
    );
    -webkit-background-clip: text;
    background-clip: text;
}

/* =========================================================
   RIGHT CLUSTER
========================================================= */
.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-links {
    display: flex;
    gap: var(--space-6);
    align-items: center;
}

/* =========================================================
   NAV LINK — base, hover, active (animated underline)
========================================================= */
.nav-link {
    position: relative;
    color: var(--text-secondary);
    font-weight: var(--font-medium);
    font-size: var(--text-base);
    padding-bottom: var(--space-1);
    background: none;
    border: none;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

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

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

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

.nav-link.active::after {
    transform: scaleX(1);
}

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

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-dropdown-chevron {
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.nav-dropdown.is-open .nav-dropdown-chevron {
    transform: rotate(180deg);
    color: var(--color-primary);
}

/* List — animated open (no display:none so it can transition) */
.nav-dropdown-list {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 230px;
    background: var(--surface-primary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    padding: var(--space-1);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast),
        transform var(--transition-fast),
        visibility var(--transition-fast);
}

.nav-dropdown.is-open .nav-dropdown-list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Option */
.nav-dropdown-opt {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: 8px;
    text-decoration: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-dropdown-opt:hover {
    background: var(--surface-hover);
    transform: translateX(3px);
}

.nav-dropdown-opt-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
    border-radius: 8px;
    background: var(--surface-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-sm);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.nav-dropdown-opt:hover .nav-dropdown-opt-icon,
.nav-dropdown-opt.active .nav-dropdown-opt-icon {
    background: var(--color-primary-soft);
    color: var(--color-primary);
}

.nav-dropdown-opt-name {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.nav-dropdown-opt.active .nav-dropdown-opt-name {
    color: var(--color-primary);
}

.nav-dropdown-opt-soon {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: var(--font-semi-bold);
    color: var(--text-muted);
    background: var(--surface-active);
    padding: 1px 6px;
    border-radius: 999px;
}

/* Footer "View all tools" */
.nav-dropdown-foot {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    margin-top: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-top: 1px solid var(--border-subtle);
    font-size: var(--text-sm);
    font-weight: var(--font-semi-bold);
    color: var(--color-primary);
    text-decoration: none;
    border-radius: 10px;
    transition: background var(--transition-fast);
}

.nav-dropdown-foot i {
    transition: transform var(--transition-fast);
}

.nav-dropdown-foot:hover {
    background: var(--color-primary-soft);
}

.nav-dropdown-foot:hover i {
    transform: translateX(3px);
}

/* =========================================================
   ACTIONS
========================================================= */
.nav-actions {
    display: flex;
    gap: var(--space-3);
    align-items: center;
}

/* =========================================================
   MOBILE TOGGLE (hamburger)
========================================================= */
.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border: 1px solid var(--border-primary);
    background: var(--surface-secondary);
    border-radius: 10px;
    cursor: pointer;
}

.nav-toggle-bar {
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-nav.is-menu-open .nav-toggle-bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.site-nav.is-menu-open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
}

.site-nav.is-menu-open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* =========================================================
   GLOBAL BUTTONS  (used site-wide — keep here)
========================================================= */
.btn {
    padding: var(--space-2) var(--space-4);
    border-radius: 8px;
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-inverse);
    border: 1px solid var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: var(--text-inverse);
    border-color: var(--color-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--surface-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-secondary);
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--text-secondary);
    background: var(--surface-secondary);
    border: 1px solid var(--border-primary);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast),
        border-color var(--transition-fast), transform var(--transition-fast);
}

.icon-btn:hover {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

/* =========================================================
   RESPONSIVE — mobile drawer (≤ 900px)
========================================================= */
@media (max-width: 900px) {
    .nav-toggle {
        display: flex;
    }

    .nav-right {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-5);
        padding: var(--space-6) var(--space-8);
        background: var(--surface-primary);
        border-bottom: 1px solid var(--border-primary);
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity var(--transition-fast),
            transform var(--transition-fast),
            visibility var(--transition-fast);
    }

    .site-nav.is-menu-open .nav-right {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
    }

    .nav-link {
        font-size: var(--text-base);
        padding: var(--space-2) 0;
    }

    /* Dropdown expands inline within the drawer */
    .nav-dropdown-list {
        position: static;
        min-width: 0;
        width: 100%;
        margin-top: var(--space-2);
        box-shadow: none;
        display: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .nav-dropdown.is-open .nav-dropdown-list {
        display: block;
    }

    .nav-actions {
        flex-direction: row;
        gap: var(--space-3);
        padding-top: var(--space-2);
        border-top: 1px solid var(--border-subtle);
    }

    .nav-cta {
        flex: 1;
        text-align: center;
    }
}

/* =========================================================
   REDUCED MOTION
========================================================= */
@media (prefers-reduced-motion: reduce) {

    .nav-logo-mark,
    .nav-link::after,
    .nav-dropdown-list,
    .nav-dropdown-opt,
    .nav-dropdown-chevron,
    .nav-toggle-bar,
    .btn,
    .icon-btn {
        transition: none;
    }

    .nav-logo:hover .nav-logo-mark,
    .nav-dropdown-opt:hover {
        transform: none;
    }
}