:root {
    --bg: #1a1a1a;
    --bg2: #202020;
    --bg3: #252525;
    --bg4: #2e2e2e;
    --txt: #fff;
    --txt2: #ccc;
    --muted: #888;
    --accent: #00d4c8;
    --accent-glow: rgba(0, 212, 200, .4);
    --accent-dark: #00a89e;
    --border: rgba(255, 255, 255, .1);
    --div: rgba(255, 255, 255, .18);
    --r-card: 12px;
    --r-btn: 50px;
    --shadow-accent: 0 0 24px rgba(0, 212, 200, .35);
    --fast: 150ms ease;
    --mid: 250ms ease;
    --max: 1280px;
}

/* ══ LIGHT MODE OVERRIDES ══ */
[data-theme="light"] {
    --bg: #f4f3ef;
    --bg2: #eceae4;
    --bg3: #e3e1da;
    --bg4: #d8d5cc;
    --txt: #111111;
    --txt2: #444444;
    --muted: #777777;
    --border: rgba(0, 0, 0, .10);
    --div: rgba(0, 0, 0, .15);
    --shadow-accent: 0 0 24px rgba(0, 212, 200, .20);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(244, 243, 239, .95);
}

/* Gallery navbar always-visible bg */
[data-theme="light"] .navbar {
    background: rgba(244, 243, 239, .95);
    border-bottom-color: rgba(0, 0, 0, .10);
}

/* Page hero */
[data-theme="light"] .page-hero {
    background: linear-gradient(135deg, #eceae4 0%, #e3e1da 100%);
}

/* ══ THEME TOGGLE PILL ══ */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    margin-right: 14px;
    flex-shrink: 0;
}

.tt-track {
    width: 52px;
    height: 28px;
    background: var(--bg4);
    border-radius: 50px;
    border: 1px solid var(--border);
    position: relative;
    transition: background var(--mid), border-color var(--mid);
}

.tt-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px var(--accent-glow);
    transition: transform var(--mid);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="light"] .tt-thumb {
    transform: translateX(24px);
}

.tt-icon {
    width: 11px;
    height: 11px;
    stroke: #0a0a0a;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    position: absolute;
    transition: opacity var(--mid);
}

.tt-sun {
    opacity: 0;
}

.tt-moon {
    opacity: 1;
}

[data-theme="light"] .tt-sun {
    opacity: 1;
}

[data-theme="light"] .tt-moon {
    opacity: 0;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--txt);
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ── Container ── */
.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 60px;
}

/* ══════════════ NAVBAR ══════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 72px;
    display: flex;
    align-items: center;
    background: rgba(26, 26, 26, .93);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo img {
    height: 44px;
    width: auto;
    display: block;
    filter: drop-shadow(0 0 10px rgba(0, 212, 200, .35));
    transition: height var(--fast);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(0, 212, 200, .55));
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .06em;
    color: var(--txt);
}

.logo-tag {
    font-size: 9px;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 0 auto;
}

.nav-links a {
    font-size: 13.5px;
    letter-spacing: .02em;
    color: var(--txt);
    transition: color var(--fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--fast);
}

.nav-links a:hover {
    color: var(--accent);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--accent);
}

.nav-links a.active::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

.nav-div {
    width: 1px;
    height: 32px;
    background: var(--div);
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--txt);
    border-radius: 2px;
    transition: var(--fast);
}

.hamburger:hover span {
    background: var(--accent);
}

/* ══════════════ PAGE HERO ══════════════ */
.page-hero {
    position: relative;
    padding: 140px 0 72px;
    overflow: hidden;
    background: linear-gradient(135deg, #181818 0%, #1e1e1e 100%);
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 60% 40%, rgba(0, 212, 200, .07) 0%, transparent 65%);
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 16px;
}

.page-eyebrow::before {
    content: '';
    width: 20px;
    height: 1px;
    background: var(--accent);
}

.page-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(32px, 4vw, 54px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    color: var(--txt);
    margin-bottom: 16px;
}

.page-sub {
    font-size: 15px;
    line-height: 1.7;
    color: var(--txt2);
    max-width: 560px;
}

/* ══════════════ GALLERY SECTION ══════════════ */
.gallery-section {
    padding: 64px 0 96px;
    background: var(--bg);
}

/* Filter Tabs */
.gallery-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--r-btn);
    padding: 9px 22px;
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    cursor: pointer;
    transition: border-color var(--fast), color var(--fast), background var(--fast);
}

.filter-btn:hover {
    border-color: rgba(0, 212, 200, .4);
    color: var(--txt);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #111;
    font-weight: 600;
}

/* Masonry Grid */
.gallery-grid {
    columns: 3;
    column-gap: 16px;
}

.gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: var(--r-card);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .5s ease, transform .5s ease, border-color var(--mid), box-shadow var(--mid);
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item:hover {
    border-color: rgba(0, 212, 200, .4);
    box-shadow: 0 16px 48px rgba(0, 0, 0, .5);
}

.gallery-item img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform .5s cubic-bezier(.23, 1, .32, 1);
}

.gallery-item:hover img {
    transform: scale(1.04);
}

/* Overlay */
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, .75) 0%, transparent 55%);
    opacity: 0;
    transition: opacity var(--mid);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay-tag {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 4px;
}

.gallery-overlay-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: var(--txt);
}

.gallery-zoom-icon {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    background: rgba(0, 212, 200, .18);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 212, 200, .35);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(.8);
    transition: opacity var(--mid), transform var(--mid);
}

.gallery-item:hover .gallery-zoom-icon {
    opacity: 1;
    transform: scale(1);
}

.gallery-zoom-icon svg {
    width: 16px;
    height: 16px;
    stroke: var(--accent);
    fill: none;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Hidden items (filter) */
.gallery-item.hidden {
    display: none;
}

/* ══════════════ LIGHTBOX ══════════════ */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(10, 10, 10, .95);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}

.lightbox.open {
    opacity: 1;
    pointer-events: all;
}

.lightbox-inner {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 85vh;
    border-radius: var(--r-card);
    box-shadow: 0 32px 80px rgba(0, 0, 0, .7);
    transform: scale(.92);
    transition: transform .35s cubic-bezier(.23, 1, .32, 1);
    object-fit: contain;
}

.lightbox.open .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: -48px;
    right: 0;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--fast), border-color var(--fast);
}

.lightbox-close:hover {
    background: rgba(0, 212, 200, .15);
    border-color: rgba(0, 212, 200, .4);
}

.lightbox-close svg {
    width: 18px;
    height: 18px;
    stroke: var(--txt);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--fast), border-color var(--fast);
    z-index: 10;
}

.lightbox-nav:hover {
    background: rgba(0, 212, 200, .15);
    border-color: rgba(0, 212, 200, .4);
}

.lightbox-nav svg {
    width: 20px;
    height: 20px;
    stroke: var(--txt);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.lightbox-prev {
    left: -64px;
}

.lightbox-next {
    right: -64px;
}

.lightbox-caption {
    position: absolute;
    bottom: -52px;
    left: 0;
    right: 0;
    text-align: center;
}

.lightbox-caption-tag {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent);
}

.lightbox-caption-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 13px;
    color: var(--txt2);
    margin-top: 2px;
}

/* ══════════════ FOOTER ══════════════ */
.footer {
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 28px 0;
}

.footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-left {
    font-size: 12.5px;
    color: var(--muted);
}

.footer-left strong {
    color: var(--txt2);
}

.footer-right {
    display: flex;
    gap: 24px;
}

.footer-right a {
    font-size: 12.5px;
    color: var(--muted);
    transition: color var(--fast);
}

.footer-right a:hover {
    color: var(--accent);
}

/* ══════════════ RESPONSIVE ══════════════ */
@media(max-width: 1100px) {
    .container {
        padding: 0 36px;
    }

    .gallery-grid {
        columns: 3;
    }
}

@media(max-width: 960px) {
    .container {
        padding: 0 28px;
    }

    .gallery-grid {
        columns: 2;
    }

    .nav-links {
        gap: 24px;
    }
}

@media(max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .logo img {
        height: 28px;
    }

    .nav-links {
        display: none;
    }

    .nav-right {
        margin-left: auto;
        gap: 16px;
    }

    .theme-toggle {
        margin-right: 0;
    }

    .page-hero {
        padding: 112px 0 56px;
    }

    .lightbox-prev {
        left: -48px;
    }

    .lightbox-next {
        right: -48px;
    }
}

@media(max-width: 560px) {
    .gallery-grid {
        columns: 1;
    }

    .lightbox-prev,
    .lightbox-next {
        display: none;
    }

    .gallery-section {
        padding: 40px 0 64px;
    }
}

/* ══════════════ MOBILE NAV PANEL ══════════════ */
.nav-mobile {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    z-index: 99;
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-mobile.open {
    max-height: 520px;
    opacity: 1;
}

.nav-mobile-inner {
    padding: 20px 24px 32px;
    display: flex;
    flex-direction: column;
}

.nav-m-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--txt);
    padding: 14px 0;
    transition: color var(--fast);
    display: inline-block;
    position: relative;
    letter-spacing: .02em;
}

.nav-m-link::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--fast);
}

.nav-m-link:hover {
    color: var(--accent);
}

.nav-m-link:hover::after {
    width: 100%;
}

.hamburger.open span:first-child {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.open span:last-child {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media(max-width:768px) {
    .nav-mobile {
        display: block;
    }
}

[data-theme=light] .nav-mobile {
    background: rgba(244, 243, 239, 0.97);
}