/* =========================================================
   NAVBAR + FULLSCREEN MENU
   ========================================================= */

/* ---------- NAVBAR ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 900;
    padding: 18px 0;
    transition: padding var(--dur-2) var(--ease),
                background var(--dur-2) var(--ease),
                backdrop-filter var(--dur-2) var(--ease);
}

.navbar.is-scrolled {
    padding: 10px 0;
    background: rgba(5, 6, 10, 0.65);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-1);
}

.navbar__inner {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--container-pad);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* ---------- BRAND ---------- */
.navbar__brand {
    display: flex;
    align-items: center;
    gap: 14px;
    z-index: 1001;
    transition: opacity var(--dur-1) var(--ease);
}

.navbar__brand:hover {
    opacity: 0.85;
}

.navbar__brand-mark {
    position: relative;
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: var(--grad-accent);
    color: #05060a;
    font-weight: 800;
    font-size: 1.25rem;
    box-shadow: 0 0 24px var(--accent-glow);
    overflow: hidden;
    flex-shrink: 0;
}

.navbar__brand-mark::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.7) 50%, transparent 70%);
    transform: translateX(-120%);
    animation: brandShine 4s ease-in-out infinite;
}

@keyframes brandShine {
    0%, 60%, 100% { transform: translateX(-120%); }
    80% { transform: translateX(120%); }
}

.navbar__brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.navbar__brand-name {
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-0);
}

.navbar__brand-name em {
    font-style: normal;
    background: var(--grad-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar__brand-sub {
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-2);
}

/* ---------- HAMBURGER TOGGLE ---------- */
.navbar__toggle {
    position: relative;
    z-index: 1001;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    width: 56px;
    height: 56px;
    border-radius: var(--r-full);
    background: var(--surface-2);
    border: 1px solid var(--border-2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: transform var(--dur-1) var(--ease),
                background var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
}

.navbar__toggle:hover {
    background: var(--surface-3);
    border-color: var(--border-accent);
    box-shadow: 0 0 24px var(--accent-glow);
}

.navbar__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-0);
    border-radius: 2px;
    transition: transform 0.45s var(--ease),
                opacity 0.3s var(--ease),
                width 0.3s var(--ease);
    transform-origin: center;
}

.navbar__toggle span:nth-child(2) {
    width: 16px;
    margin-left: 6px;
}

/* Active state (menu open) */
.navbar__toggle.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    width: 22px;
    margin-left: 0;
}

.navbar__toggle.is-active span:nth-child(2) {
    opacity: 0;
    width: 0;
}

.navbar__toggle.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    width: 22px;
    margin-left: 0;
}

/* ---------- FULLSCREEN MENU ---------- */
.menu {
    position: fixed;
    inset: 0;
    z-index: 950;
    pointer-events: none;
    visibility: hidden;
    overflow: hidden;
}

.menu.is-open {
    pointer-events: auto;
    visibility: visible;
}

.menu__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 20% 30%, rgba(0, 229, 255, 0.12), transparent 60%),
        radial-gradient(ellipse 50% 50% at 80% 70%, rgba(168, 85, 247, 0.14), transparent 60%),
        var(--bg-0);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 0.5s var(--ease), transform 0.7s var(--ease);
}

.menu.is-open .menu__bg {
    opacity: 1;
    transform: scale(1);
}

.menu__inner {
    position: relative;
    height: 100%;
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding: calc(var(--nav-h) + 40px) var(--container-pad) 40px;
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    align-items: center;
    overflow-y: auto;
}

/* Aside (left) */
.menu__aside {
    display: flex;
    flex-direction: column;
    gap: 28px;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.5s var(--ease) 0.15s, transform 0.6s var(--ease) 0.15s;
}

.menu.is-open .menu__aside {
    opacity: 1;
    transform: translateX(0);
}

.menu__aside-block {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.menu__aside-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-3);
}

.menu__aside-value {
    font-size: 0.92rem;
    color: var(--text-1);
    transition: color var(--dur-1) var(--ease);
}

a.menu__aside-value:hover {
    color: var(--accent);
}

.menu__aside-value--status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.menu__socials {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.menu__socials a {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--surface-2);
    border: 1px solid var(--border-1);
    color: var(--text-1);
    font-size: 1rem;
    transition: transform var(--dur-1) var(--ease),
                color var(--dur-1) var(--ease),
                background var(--dur-2) var(--ease),
                border-color var(--dur-2) var(--ease),
                box-shadow var(--dur-2) var(--ease);
}

.menu__socials a:hover {
    color: #05060a;
    background: var(--accent);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 24px var(--accent-glow);
}

/* Menu list (right) */
.menu__list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.menu__item {
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.4s var(--ease), transform 0.5s var(--ease);
}

.menu.is-open .menu__item {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger */
.menu.is-open .menu__item:nth-child(1) { transition-delay: 0.20s; }
.menu.is-open .menu__item:nth-child(2) { transition-delay: 0.26s; }
.menu.is-open .menu__item:nth-child(3) { transition-delay: 0.32s; }
.menu.is-open .menu__item:nth-child(4) { transition-delay: 0.38s; }
.menu.is-open .menu__item:nth-child(5) { transition-delay: 0.44s; }
.menu.is-open .menu__item:nth-child(6) { transition-delay: 0.50s; }
.menu.is-open .menu__item:nth-child(7) { transition-delay: 0.56s; }
.menu.is-open .menu__item:nth-child(8) { transition-delay: 0.62s; }
.menu.is-open .menu__item:nth-child(9) { transition-delay: 0.68s; }

.menu__link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 22px;
    padding: 8px 0;
    font-size: clamp(1.8rem, 4.5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    color: var(--text-2);
    transition: color var(--dur-2) var(--ease),
                transform var(--dur-2) var(--ease),
                padding-left var(--dur-2) var(--ease);
}

.menu__link::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 4px;
    width: 0;
    height: 2px;
    background: var(--grad-accent);
    transition: width 0.4s var(--ease);
}

.menu__link:hover,
.menu__link.is-active {
    color: var(--text-0);
    padding-left: 20px;
}

.menu__link:hover::before,
.menu__link.is-active::before {
    width: calc(100% - 20px);
}

.menu__link.is-active {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.menu__num {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--text-3);
    transform: translateY(-8px);
    transition: color var(--dur-2) var(--ease);
}

.menu__link:hover .menu__num,
.menu__link.is-active .menu__num {
    color: var(--accent);
}

.menu__text {
    position: relative;
    display: inline-block;
}

/* ---------- TABLET ---------- */
@media (max-width: 1024px) {
    .menu__inner {
        grid-template-columns: 1fr;
        gap: 40px;
        align-content: start;
        padding-top: calc(var(--nav-h) + 30px);
    }

    .menu__aside {
        order: 2;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 24px 40px;
        padding-top: 30px;
        border-top: 1px solid var(--border-1);
    }

    .menu__list {
        order: 1;
    }
}

/* ---------- MOBILE ---------- */
@media (max-width: 640px) {
    .navbar__brand-sub {
        display: none;
    }

    .navbar__toggle {
        width: 50px;
        height: 50px;
    }

    .menu__inner {
        padding-top: calc(var(--nav-h) + 20px);
    }

    .menu__link {
        font-size: 1.7rem;
        gap: 16px;
    }

    .menu__aside {
        gap: 20px;
        font-size: 0.85rem;
    }

    .menu__aside-value {
        font-size: 0.85rem;
    }
}