/* Navbar */
.navbar-custom {
    position: sticky;
    top: 16px;
    z-index: 1000;
    width: min(1140px, 92%);
    margin: 16px auto;
    padding: 0.72rem 1.05rem;
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 999px;
    background: rgba(var(--color-panel-rgb), 0.78);
    box-shadow: 0 10px 32px rgba(4, 6, 10, 0.2);
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.navbar-custom.is-scrolled {
    background: rgba(var(--color-panel-rgb), 0.9);
    border-color: rgba(var(--color-border-rgb), 0.98);
    box-shadow: 0 16px 44px rgba(4, 6, 10, 0.24);
}

.navbar-brand {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0;
}

.navbar-brand:hover,
.navbar-brand:focus {
    color: var(--text-primary);
}

.navbar-toggler {
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.45rem 0.65rem;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.18rem rgba(var(--color-accent-primary-rgb), 0.16);
}

.navbar-toggler-icon {
    filter: invert(1) grayscale(1);
}

.navbar-nav {
    position: relative;
    isolation: isolate;
}

.nav-indicator {
    position: absolute;
    z-index: -1;
    top: 50%;
    left: 0;
    height: 36px;
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 999px;
    background: rgba(var(--color-accent-primary-rgb), 0.12);
    box-shadow: inset 0 1px 0 rgba(var(--color-text-primary-rgb), 0.04);
    transform: translateY(-50%);
    opacity: 0;
    transition: left 260ms ease, width 260ms ease, opacity 180ms ease;
}

.nav-link {
    color: var(--text-muted);
    margin-left: 0.45rem;
    padding-inline: 0.82rem !important;
    border-radius: 999px;
    font-size: 0.94rem;
    font-weight: 650;
    background: transparent;
    transition: color var(--transition), font-weight var(--transition);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: var(--text-primary);
    background: transparent;
}

.nav-link.active {
    font-weight: 850;
}

/* Buttons */
.btn-primary-custom,
.btn-secondary-custom,
.btn-ghost-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 48px;
    padding: 0.86rem 1.2rem;
    border-radius: 999px;
    font-weight: 760;
    line-height: 1;
    transition:
        transform var(--transition),
        border-color var(--transition),
        background var(--transition),
        color var(--transition),
        box-shadow var(--transition);
}

.btn-primary-custom {
    color: var(--text-primary);
    border: 1px solid rgba(var(--color-accent-primary-rgb), 0.42);
    background: rgba(var(--color-accent-primary-rgb), 0.16);
    box-shadow: none;
}

.btn-primary-custom:hover,
.btn-primary-custom:focus {
    color: var(--text-primary);
    background: rgba(var(--color-accent-primary-rgb), 0.22);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(4, 6, 10, 0.2);
}

.btn-secondary-custom,
.btn-ghost-custom {
    color: var(--text-primary);
    border: 1px solid rgba(var(--color-border-rgb), 0.92);
    background: rgba(var(--color-text-primary-rgb), 0.02);
}

.btn-secondary-custom:hover,
.btn-secondary-custom:focus,
.btn-ghost-custom:hover,
.btn-ghost-custom:focus {
    color: var(--text-primary);
    border-color: rgba(var(--color-accent-primary-rgb), 0.34);
    background: rgba(var(--color-accent-primary-rgb), 0.08);
    transform: translateY(-2px);
}

/* Cards and tags */
.glass-card,
.project-card,
.metric-card,
.skill-card,
.education-card,
.feature-card,
.detail-card {
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: var(--radius-lg);
    background: rgba(var(--color-panel-rgb), 0.78);
    box-shadow: 0 12px 32px rgba(4, 6, 10, 0.16);
}

.lift-card {
    transition: transform var(--transition-slow), border-color var(--transition), box-shadow var(--transition);
}

.lift-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--color-accent-primary-rgb), 0.28);
    box-shadow: 0 16px 40px rgba(4, 6, 10, 0.2);
}

.badge-soft,
.tech-badge,
.status-badge {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 30px;
    padding: 0.42rem 0.7rem;
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 999px;
    background: rgba(var(--color-text-primary-rgb), 0.03);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 750;
}

.status-badge.in-dev {
    color: var(--accent-alt);
    border-color: rgba(var(--color-accent-secondary-rgb), 0.28);
    background: rgba(var(--color-accent-secondary-rgb), 0.08);
}

.status-badge.completed {
    color: var(--accent);
    border-color: rgba(var(--color-accent-primary-rgb), 0.24);
    background: rgba(var(--color-accent-primary-rgb), 0.08);
}

.status-badge.archived {
    color: var(--accent-warm);
    border-color: rgba(var(--color-accent-secondary-rgb), 0.24);
    background: rgba(var(--color-accent-secondary-rgb), 0.06);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.horizontal-scroll {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(290px, 380px);
    gap: 1rem;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-snap-type: inline mandatory;
    padding: 0.35rem 0.15rem 1.15rem;
    scrollbar-width: thin;
}

.horizontal-scroll > * {
    scroll-snap-align: start;
}

.carousel-controls {
    display: flex;
    justify-content: flex-end;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.icon-btn {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 999px;
    color: var(--text-primary);
    background: rgba(var(--color-text-primary-rgb), 0.025);
    transition: var(--transition);
}

.icon-btn:hover,
.icon-btn:focus {
    border-color: rgba(var(--color-accent-primary-rgb), 0.28);
    background: rgba(var(--color-accent-primary-rgb), 0.08);
}

/* Footer */
.footer-custom {
    padding: 56px 0 36px;
    border-top: 1px solid var(--border);
    background: rgba(6, 8, 15, 0.6);
}

.footer-custom h2 {
    margin-bottom: 0.9rem;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.1rem;
    margin-top: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-weight: 700;
    transition: color var(--transition);
}

.footer-links a:hover,
.footer-links a:focus {
    color: var(--accent-alt);
}

.copyright {
    margin-top: 2.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Aion Core — Premium */
.aion-orb {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 1050;
    width: 56px;
    height: 56px;
    border: 0;
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: transform var(--transition);
}

.aion-orb:hover { transform: scale(1.06); }
.aion-orb.is-active { transform: scale(0.95); }

.aion-orb-core {
    position: absolute;
    inset: 12px;
    border-radius: 50%;
    background: rgba(var(--color-accent-primary-rgb), 0.22);
    box-shadow: inset 0 1px 0 rgba(var(--color-text-primary-rgb), 0.16);
    animation: aionCorePulse 3s ease-in-out infinite;
}

.aion-orb-ring {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 50%;
    animation: aionRingSpin 8s linear infinite;
}

.aion-orb-ring--2 {
    inset: -6px;
    border-color: rgba(var(--color-accent-primary-rgb), 0.18);
    animation-direction: reverse;
    animation-duration: 12s;
}

@keyframes aionCorePulse {
    0%, 100% { box-shadow: inset 0 1px 0 rgba(var(--color-text-primary-rgb), 0.12); }
    50% { box-shadow: inset 0 1px 0 rgba(var(--color-text-primary-rgb), 0.18); }
}

@keyframes aionRingSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.aion-panel {
    position: fixed;
    right: 24px;
    bottom: 96px;
    z-index: 1050;
    width: min(400px, calc(100vw - 32px));
    border: 1px solid rgba(var(--color-border-rgb), 0.9);
    border-radius: 24px;
    background: rgba(var(--color-panel-rgb), 0.9);
    box-shadow: 0 18px 44px rgba(4, 6, 10, 0.24);
    overflow: hidden;
    transform: translateY(20px) scale(0.96);
    opacity: 0;
    pointer-events: none;
    transition: opacity 380ms cubic-bezier(0.4, 0, 0.2, 1), transform 380ms cubic-bezier(0.4, 0, 0.2, 1);
}

.aion-panel.is-open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}


.aion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid rgba(var(--color-white-rgb), 0.06);
}

.aion-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.aion-brand-icon {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: rgba(var(--color-accent-primary-rgb), 0.12);
    color: var(--accent-alt);
    font-size: 0.85rem;
}

.aion-header strong { display: block; font-size: 0.95rem; }
.aion-header span { display: block; color: var(--text-muted); font-size: 0.72rem; }

.aion-close {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-muted);
    background: rgba(var(--color-white-rgb), 0.04);
    font-size: 1.1rem;
    transition: var(--transition);
}

.aion-close:hover { color: var(--text-primary); border-color: rgba(var(--color-white-rgb), 0.2); }

.aion-messages {
    height: 320px;
    overflow-y: auto;
    padding: 1rem 1.15rem;
    scroll-behavior: smooth;
}

.aion-empty {
    display: grid;
    place-items: center;
    gap: 0.75rem;
    padding: 2.5rem 1rem;
    text-align: center;
    transition: opacity 200ms ease;
}

.aion-empty.is-hidden { display: none; }

.aion-empty-icon {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(var(--color-accent-primary-rgb), 0.08);
    color: var(--accent-alt);
    font-size: 1.2rem;
    animation: aionCorePulse 3s ease-in-out infinite;
}

.aion-empty p {
    max-width: 240px;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.aion-message-wrap {
    display: flex;
    margin-bottom: 0.65rem;
}

.aion-message-wrap.user { justify-content: flex-end; }

.aion-message {
    max-width: 88%;
    padding: 0.7rem 0.95rem;
    border-radius: 16px 16px 16px 4px;
    background: rgba(var(--color-white-rgb), 0.06);
    border: 1px solid rgba(var(--color-white-rgb), 0.06);
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.55;
}

.aion-message-wrap.user .aion-message {
    border-radius: 16px 16px 4px 16px;
    color: #06080f;
    background: var(--accent-alt);
    border-color: transparent;
}

.aion-typing {
    display: inline-flex;
    gap: 4px;
    padding: 2px 0;
}

.aion-typing span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: aionTyping 1.2s ease-in-out infinite;
}

.aion-typing span:nth-child(2) { animation-delay: 0.15s; }
.aion-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes aionTyping {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-3px); }
}

.aion-form { padding: 0.85rem 1.15rem 1.15rem; border-top: 1px solid rgba(var(--color-white-rgb), 0.06); }

.aion-input-wrap {
    display: flex;
    gap: 0.5rem;
    padding: 0.35rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: rgba(var(--color-white-rgb), 0.04);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.aion-input-wrap:focus-within {
    border-color: rgba(var(--color-accent-primary-rgb), 0.28);
    box-shadow: 0 0 0 2px rgba(var(--color-accent-primary-rgb), 0.08);
}

.aion-input-wrap input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: var(--text-primary);
    padding: 0.6rem 0.85rem;
    font-size: 0.88rem;
}

.aion-input-wrap input:focus { outline: 0; }
.aion-input-wrap input::placeholder { color: var(--text-muted); }

.aion-input-wrap button {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    color: #06080f;
    background: var(--accent-alt);
    transition: transform var(--transition);
}

.aion-input-wrap button:hover { transform: scale(1.05); }

/* Glass tab indicator (shared) */
.glass-tabs {
    position: relative;
    isolation: isolate;
}

.glass-tab-indicator,
.filter-bar .glass-tab-indicator {
    position: absolute;
    z-index: 0;
    top: 50%;
    left: 0;
    height: calc(100% - 8px);
    border: 1px solid rgba(var(--color-white-rgb), 0.12);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(var(--color-white-rgb), 0.1), rgba(var(--color-accent-primary-rgb), 0.08));
    box-shadow: inset 0 1px 0 rgba(var(--color-white-rgb), 0.08);
    transform: translateY(-50%);
    opacity: 0;
    transition: left 260ms ease, width 260ms ease, opacity 180ms ease;
    pointer-events: none;
}

.showcase-tab,
.filter-btn {
    position: relative;
    z-index: 1;
    background: transparent !important;
}

.filter-bar.glass-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    padding: 4px;
    border-radius: 999px;
    background: rgba(var(--color-black-rgb), 0.2);
}

.filter-btn.is-active {
    color: var(--text-primary) !important;
    background: transparent !important;
}

@media (max-width: 992px) {
    .navbar-custom { border-radius: 26px; }
    .navbar-collapse { padding-top: 1rem; }
    .nav-indicator { display: none; }
    .nav-link { margin: 0.18rem 0; }
    .glass-tab-indicator { display: none; }
}

@media (max-width: 576px) {
    .horizontal-scroll { grid-auto-columns: minmax(255px, 86vw); }
    .aion-orb { right: 16px; bottom: 16px; }
    .aion-panel { right: 16px; bottom: 84px; }
}