* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg: #05070d;
    --bg-2: #0a1220;
    --panel: rgba(7, 14, 28, 0.78);
    --line: rgba(46, 230, 255, 0.28);
    --cyan: #2ee6ff;
    --cyan-dim: rgba(46, 230, 255, 0.14);
    --amber: #ffb020;
    --text: #e8f4ff;
    --muted: #8ea0b8;
    --container: 1180px;
}
html { scroll-behavior: smooth; }
body {
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg) url("bg/tech-texture.png") center / cover no-repeat;
    color: var(--text);
    overflow-x: hidden;
    min-height: 100vh;
}
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 480px at 80% -10%, rgba(46, 230, 255, 0.12), transparent 60%),
        radial-gradient(700px 420px at 0% 80%, rgba(255, 176, 32, 0.08), transparent 55%),
        linear-gradient(180deg, rgba(5, 7, 13, 0.72), rgba(5, 7, 13, 0.88));
    pointer-events: none;
    z-index: 0;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button, a, .tooltip { -webkit-tap-highlight-color: transparent; }
.container { max-width: var(--container); width: 100%; margin: 0 auto; padding: 0 20px; position: relative; z-index: 1; }

.grid-overlay, .scanline { pointer-events: none; }
.grid-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    background-image:
        linear-gradient(rgba(46, 230, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46, 230, 255, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: radial-gradient(circle at 50% 30%, #000 20%, transparent 78%);
}
.scanline {
    position: fixed;
    inset: 0;
    z-index: 2;
    background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 4px);
    opacity: 0.25;
    mix-blend-mode: overlay;
}

header, section, footer, .ticker { position: relative; z-index: 3; }

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(46, 230, 255, 0.45); }
    70% { box-shadow: 0 0 0 14px rgba(46, 230, 255, 0); }
    100% { box-shadow: 0 0 0 0 rgba(46, 230, 255, 0); }
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}
@keyframes ticker {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}
@keyframes shine {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
    display: inline-block;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    font-size: 12px;
    letter-spacing: 0.28em;
    color: var(--cyan);
    margin-bottom: 12px;
}
.section-header h2 {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    letter-spacing: 0.06em;
}
.section-line {
    width: 92px;
    height: 2px;
    margin: 16px auto 0;
    background: linear-gradient(90deg, transparent, var(--cyan), var(--amber), transparent);
    box-shadow: 0 0 12px rgba(46, 230, 255, 0.7);
}

#navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 40;
    padding: 10px 0;
    border-bottom: 1px solid transparent;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
#navbar.is-scrolled {
    background: rgba(5, 8, 16, 0.88);
    backdrop-filter: blur(16px);
    border-bottom-color: var(--line);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}
.nav-wrap { display: flex; justify-content: space-between; align-items: center; min-height: 64px; }
.site-logo-text { display: flex; align-items: center; gap: 10px; }
.logo-mark {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 0 16px rgba(46, 230, 255, 0.45);
}
.logo-main {
    display: block;
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 0.12em;
    background: linear-gradient(100deg, #fff 10%, var(--cyan) 40%, var(--amber) 70%, #fff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: shine 6s linear infinite;
}
.logo-sub {
    display: block;
    margin-top: 2px;
    font-size: 10px;
    letter-spacing: 0.28em;
    color: rgba(232, 244, 255, 0.45);
}
.nav-list { display: flex; gap: 22px; align-items: center; }
.nav-list a, .nav-list .tooltip {
    font-size: 14px;
    color: rgba(232, 244, 255, 0.82);
    transition: color 0.2s;
}
.nav-list a:hover, .nav-list .tooltip:hover { color: var(--cyan); }
.nav-download {
    padding: 8px 16px;
    border: 1px solid var(--cyan);
    color: var(--cyan) !important;
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
    box-shadow: inset 0 0 12px rgba(46, 230, 255, 0.2);
}
.nav-download:hover { background: rgba(46, 230, 255, 0.12); }

#menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: rgba(5, 10, 20, 0.7);
    color: var(--cyan);
    cursor: pointer;
}
#menu-toggle svg { width: 22px; height: 22px; margin: 0 auto; }
#menu-toggle .icon-close { display: none; }
#menu-toggle.is-open .icon-open { display: none; }
#menu-toggle.is-open .icon-close { display: block; }

#mobile-menu {
    display: none;
    background: rgba(5, 8, 16, 0.96);
    border: 1px solid var(--line);
    padding: 12px 16px 18px;
    margin-top: 8px;
}
#mobile-menu.is-open { display: block; }
#mobile-menu a, #mobile-menu button {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: 0;
    color: var(--text);
    font: inherit;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(46, 230, 255, 0.08);
    cursor: pointer;
}
#mobile-menu .btn {
    margin-top: 14px;
    text-align: center;
    border: 0;
    background: linear-gradient(90deg, #139fb3, var(--cyan));
    color: #041018;
    font-weight: 800;
    clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.tooltip { position: relative; cursor: pointer; }
.tooltip-text {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: calc(100% + 14px);
    left: 50%;
    transform: translateX(-50%);
    width: 210px;
    padding: 12px;
    background: rgba(6, 12, 24, 0.96);
    border: 1px solid var(--line);
    text-align: center;
    transition: opacity 0.2s;
    z-index: 30;
}
.tooltip:hover .tooltip-text, .tooltip:focus-within .tooltip-text { visibility: visible; opacity: 1; }
.tooltip-text img { width: 168px; height: 168px; object-fit: cover; margin: 0 auto 8px; background: #fff; padding: 6px; }
.tooltip-text p { font-size: 13px; }
.tip-sub { color: var(--muted); font-size: 12px !important; margin-top: 4px; }

#support-modal {
    position: fixed;
    inset: 0;
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.72);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s;
}
#support-modal.is-open { opacity: 1; pointer-events: auto; }
.modal-content {
    width: min(340px, calc(100% - 32px));
    padding: 22px;
    background: #07101c;
    border: 1px solid var(--line);
    box-shadow: 0 0 40px rgba(46, 230, 255, 0.18);
}
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.modal-header button {
    width: 32px;
    height: 32px;
    border: 0;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
}
.modal-header svg { width: 20px; height: 20px; }
.modal-body { text-align: center; }
.modal-body img { width: 200px; height: 200px; object-fit: cover; margin: 0 auto 12px; background: #fff; padding: 8px; }

#home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 88px;
    overflow: hidden;
}
.hero-bg, .hero-vignette, .hero-frame { position: absolute; inset: 0; }
.hero-bg {
    background: url("bg/hero-bg.png") center / cover no-repeat;
    transform: scale(1.04);
}
.hero-vignette {
    background:
        linear-gradient(180deg, rgba(5, 7, 13, 0.45) 0%, rgba(5, 7, 13, 0.25) 38%, rgba(5, 7, 13, 0.92) 100%),
        radial-gradient(circle at 50% 42%, transparent 0%, rgba(5, 7, 13, 0.45) 78%);
}
.hero-frame {
    margin: 18px;
    border: 1px solid rgba(46, 230, 255, 0.25);
    box-shadow: inset 0 0 80px rgba(46, 230, 255, 0.08);
}
.hero-frame::before, .hero-frame::after {
    content: "";
    position: absolute;
    width: 42px;
    height: 42px;
    border: 2px solid var(--cyan);
}
.hero-frame::before { top: -2px; left: -2px; border-right: 0; border-bottom: 0; }
.hero-frame::after { right: -2px; bottom: -2px; border-left: 0; border-top: 0; box-shadow: 0 0 16px rgba(46, 230, 255, 0.6); }

.home-content {
    position: relative;
    z-index: 2;
    width: min(860px, 100%);
    text-align: center;
    animation: fadeUp 0.8s ease both;
}
.status-row {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 6px 12px;
    border: 1px solid rgba(46, 230, 255, 0.3);
    background: rgba(4, 10, 18, 0.55);
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--cyan);
}
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #3dff9a;
    box-shadow: 0 0 8px #3dff9a;
    animation: blink 1.6s infinite;
}
.status-sep { opacity: 0.45; }
.eyebrow {
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    letter-spacing: 0.42em;
    font-size: 12px;
    color: var(--amber);
    margin-bottom: 10px;
}
#home h1 {
    font-size: clamp(42px, 8vw, 84px);
    font-weight: 900;
    letter-spacing: 0.08em;
    line-height: 1.05;
    text-shadow: 0 0 24px rgba(46, 230, 255, 0.35), 0 8px 30px rgba(0, 0, 0, 0.55);
}
.home-subtitle {
    max-width: 640px;
    margin: 18px auto 28px;
    color: rgba(232, 244, 255, 0.82);
    font-size: clamp(15px, 2vw, 18px);
    line-height: 1.7;
}
.btn-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.btn-primary, .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 148px;
    padding: 14px 26px;
    font-weight: 800;
    letter-spacing: 0.08em;
}
.btn-primary {
    color: #041018;
    background: linear-gradient(100deg, #7af0ff, var(--cyan) 40%, #8dfff0);
    clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
    animation: pulse 2.4s infinite;
}
.btn-primary svg { width: 18px; height: 18px; }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); }
.btn-ghost {
    color: var(--text);
    border: 1px solid rgba(255, 176, 32, 0.7);
    background: rgba(255, 176, 32, 0.08);
}
.btn-ghost:hover { background: rgba(255, 176, 32, 0.16); }

.hero-qr-card {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    margin-top: 34px;
    padding: 14px 18px 14px 14px;
    text-align: left;
    background: rgba(4, 10, 20, 0.72);
    border: 1px solid var(--line);
    box-shadow: 0 0 30px rgba(46, 230, 255, 0.12), inset 0 0 24px rgba(46, 230, 255, 0.05);
}
.hero-qr-image {
    width: 118px;
    height: 118px;
    flex: none;
    padding: 6px;
    background: #fff;
}
.hero-qr-image img { width: 100%; height: 100%; object-fit: cover; }
.hero-qr-badge {
    display: inline-block;
    margin-bottom: 6px;
    padding: 3px 8px;
    font-size: 12px;
    color: #041018;
    background: linear-gradient(90deg, var(--amber), #ffe08a);
    font-weight: 800;
}
.hero-qr-info h3 { font-size: 18px; margin-bottom: 10px; }
.hero-qr-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-qr-tags span {
    font-size: 12px;
    padding: 3px 8px;
    border: 1px solid rgba(46, 230, 255, 0.35);
    color: rgba(232, 244, 255, 0.86);
}
.btn-join {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 14px;
    padding: 10px 22px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #041018;
    background: linear-gradient(100deg, #ffe08a, var(--amber));
    clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.btn-join:hover { filter: brightness(1.08); transform: translateY(-2px); }
.hero-qr-card .btn-join { margin-top: 12px; }
.scroll-down {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    color: var(--cyan);
    z-index: 2;
}
.scroll-down svg { width: 28px; height: 28px; }

.ticker {
    overflow: hidden;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(4, 12, 22, 0.8);
}
.ticker-track {
    display: flex;
    width: max-content;
    gap: 48px;
    padding: 12px 0;
    animation: ticker 22s linear infinite;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    letter-spacing: 0.22em;
    font-size: 12px;
    color: rgba(46, 230, 255, 0.8);
}

#intro, #features, #dinosaurs, #screenshots, #requirements, .follow-section { padding: 88px 0; }
.intro-grid, .features-grid, .dino-grid { display: grid; gap: 16px; }
.intro-item, .feature-card, .dino-card, .req-card, .follow-card, .screenshot-item {
    background: var(--panel);
    border: 1px solid rgba(46, 230, 255, 0.16);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(8px);
}
.intro-item, .feature-card, .dino-card, .req-card { transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s; }
.intro-item:hover, .feature-card:hover, .dino-card:hover, .req-card:hover {
    border-color: rgba(46, 230, 255, 0.55);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.28), 0 0 24px rgba(46, 230, 255, 0.12);
}
.intro-item:nth-child(2), .feature-card:nth-child(3), .dino-card:nth-child(2), .dino-card:nth-child(5) {
    border-color: rgba(255, 176, 32, 0.22);
}
.intro-item:nth-child(2) .intro-icon { color: var(--amber); border-color: rgba(255, 176, 32, 0.35); background: rgba(255, 176, 32, 0.1); }
#features { background: linear-gradient(180deg, transparent, rgba(46, 230, 255, 0.05), transparent); }
#dinosaurs { background: linear-gradient(180deg, transparent, rgba(255, 176, 32, 0.045), transparent); }
#screenshots { background: linear-gradient(180deg, rgba(46, 230, 255, 0.04), transparent 40%); }
.nav-list a { position: relative; }
.nav-list a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 100%;
    height: 2px;
    background: var(--cyan);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s;
    box-shadow: 0 0 8px var(--cyan);
}
.nav-list a:hover::after, .nav-list a.is-active::after { transform: scaleX(1); }
.nav-list a.is-active { color: var(--cyan); }
.intro-item { padding: 26px 22px; }
.intro-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    margin-bottom: 16px;
    color: var(--cyan);
    border: 1px solid var(--line);
    background: var(--cyan-dim);
}
.intro-icon svg { width: 22px; height: 22px; }
.intro-item h3, .feature-card h3, .dino-info h3 { margin-bottom: 8px; font-size: 18px; }
.intro-item p, .feature-card p, .dino-info p { color: var(--muted); font-size: 14px; line-height: 1.75; }

.follow-card {
    display: flex;
    align-items: center;
    gap: 48px;
    max-width: 960px;
    margin: 0 auto;
    padding: 36px;
    background:
        linear-gradient(135deg, rgba(8, 20, 36, 0.88), rgba(8, 14, 24, 0.82)),
        url("bg/tech-texture.png") center / cover;
}
.follow-badge {
    display: inline-block;
    margin-bottom: 12px;
    padding: 4px 10px;
    color: #041018;
    background: var(--cyan);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
}
.follow-left h2 { font-size: clamp(22px, 3vw, 32px); line-height: 1.35; margin-bottom: 10px; }
.follow-left > p { color: var(--muted); margin-bottom: 18px; }
.follow-benefits { display: grid; gap: 10px; }
.follow-benefits li {
    position: relative;
    padding-left: 18px;
    color: rgba(232, 244, 255, 0.88);
}
.follow-benefits li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    background: var(--amber);
    box-shadow: 0 0 8px var(--amber);
}
.follow-right { text-align: center; flex: none; }
.qrcode {
    width: 188px;
    height: 188px;
    padding: 10px;
    background: #fff;
    box-shadow: 0 0 24px rgba(46, 230, 255, 0.25);
}
.qrcode img { width: 100%; height: 100%; object-fit: cover; }
.qr-label { margin-top: 10px; color: var(--muted); font-size: 13px; }

.feature-card { display: flex; gap: 16px; padding: 24px; }
.feature-num {
    flex: none;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    font-size: 28px;
    font-weight: 800;
    color: rgba(46, 230, 255, 0.35);
}

.dino-card { display: flex; overflow: hidden; }
.dino-img { position: relative; width: 148px; height: 128px; flex: none; }
.dino-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s; }
.dino-card:hover .dino-img img { transform: scale(1.06); }
.dino-tag {
    position: absolute;
    top: 8px;
    left: 8px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 800;
    color: #041018;
    background: var(--amber);
}
.dino-info { padding: 16px 18px; display: flex; flex-direction: column; justify-content: center; }

.screenshot-grid { display: grid; gap: 12px; }
.screenshot-item { overflow: hidden; }
.screenshot-item img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.45s, filter 0.45s; }
.screenshot-item:hover img { transform: scale(1.05); filter: saturate(1.15) contrast(1.05); }

.req-grid { display: grid; gap: 16px; max-width: 960px; margin: 0 auto; }
.req-card { padding: 28px; }
.req-recommend { border-color: rgba(255, 176, 32, 0.45); }
.req-label {
    display: inline-block;
    margin-bottom: 16px;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    letter-spacing: 0.16em;
    font-size: 13px;
    color: var(--muted);
}
.req-label-highlight { color: var(--amber); }
.req-table { width: 100%; border-collapse: collapse; }
.req-table td { padding: 10px 0; border-bottom: 1px solid rgba(46, 230, 255, 0.08); font-size: 14px; }
.req-table tr:last-child td { border-bottom: 0; }
.req-table td:first-child { width: 92px; color: var(--muted); }

footer {
    border-top: 1px solid rgba(46, 230, 255, 0.16);
    background: rgba(3, 6, 12, 0.88);
    padding-top: 56px;
}
.footer-grid { display: grid; gap: 32px; margin-bottom: 36px; }
.footer-logo-text {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 24px;
    font-weight: 900;
    letter-spacing: 0.12em;
    color: var(--cyan);
}
.company, .footer-col p, .footer-col li { color: var(--muted); font-size: 14px; line-height: 1.7; }
.footer-col p { margin-top: 8px; }
.footer-column-title {
    margin-bottom: 14px;
    font-size: 15px;
    letter-spacing: 0.08em;
}
.footer-column-title::after {
    content: "";
    display: block;
    width: 36px;
    height: 2px;
    margin-top: 8px;
    background: var(--cyan);
}
.footer-col ul { display: grid; gap: 8px; }
.footer-col a:hover { color: var(--cyan); }
.copyright {
    padding: 22px 0 28px;
    border-top: 1px solid rgba(46, 230, 255, 0.1);
    text-align: center;
}
.copyright p { color: rgba(232, 244, 255, 0.45); font-size: 13px; line-height: 1.7; margin-bottom: 6px; }
.copyright a:hover { color: var(--cyan); }

@media (max-width: 860px) {
    .nav-list { display: none; }
    #menu-toggle { display: grid; place-items: center; }
    .status-row span:nth-child(n + 3) { display: none; }
    .hero-qr-card { flex-direction: column; text-align: center; }
    .hero-qr-tags { justify-content: center; }
    .follow-card { flex-direction: column; text-align: center; padding: 24px 18px; }
    .follow-benefits li { text-align: left; }
    .dino-card { flex-direction: column; }
    .dino-img { width: 100%; height: 180px; }
    .hero-frame { margin: 8px; }
}

@media (min-width: 720px) {
    .intro-grid, .features-grid, .dino-grid, .req-grid { grid-template-columns: 1fr 1fr; }
    .screenshot-grid { grid-template-columns: 1fr 1fr 1fr; }
    .screenshot-item.large { grid-column: span 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
    .intro-grid { grid-template-columns: repeat(4, 1fr); }
    .features-grid, .dino-grid { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr 0.8fr 1.2fr 0.8fr; }
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 70;
    width: 100%;
    height: 3px;
    transform: scaleX(0);
    transform-origin: left;
    background: linear-gradient(90deg, var(--cyan), var(--amber));
    box-shadow: 0 0 12px rgba(46, 230, 255, 0.8);
    pointer-events: none;
}
.pointer-glow, .cursor-ring, .cursor-dot { display: none; }
body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: none; }
body.has-cursor .pointer-glow,
body.has-cursor .cursor-ring,
body.has-cursor .cursor-dot { display: block; }
.pointer-glow {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 4;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    pointer-events: none;
    background: radial-gradient(circle, rgba(46, 230, 255, 0.16), rgba(255, 176, 32, 0.05) 42%, transparent 68%);
    mix-blend-mode: screen;
}
.cursor-ring, .cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 80;
    pointer-events: none;
}
.cursor-ring {
    width: 34px;
    height: 34px;
    margin: -17px 0 0 -17px;
    border: 1px solid rgba(46, 230, 255, 0.85);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(46, 230, 255, 0.45);
    transition: width 0.2s, height 0.2s, margin 0.2s, background 0.2s;
}
.cursor-dot {
    width: 6px;
    height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 10px var(--amber);
}
body.has-cursor.is-clicking .cursor-ring {
    width: 22px;
    height: 22px;
    margin: -11px 0 0 -11px;
    background: rgba(46, 230, 255, 0.18);
}
.glow-card { position: relative; --mx: 50%; --my: 50%; }
.glow-card::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(160px circle at var(--mx) var(--my), rgba(46, 230, 255, 0.2), transparent 62%);
    opacity: 0;
    transition: opacity 0.25s;
}
.glow-card:hover::after { opacity: 1; }
.feature-card:hover .feature-num { color: var(--amber); text-shadow: 0 0 12px rgba(255, 176, 32, 0.65); }
.screenshot-item { cursor: pointer; }
.screenshot-item::before {
    content: "VIEW";
    position: absolute;
    left: 12px;
    bottom: 12px;
    z-index: 2;
    padding: 4px 8px;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: #041018;
    background: var(--cyan);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 0.25s, transform 0.25s;
}
.screenshot-item:hover::before { opacity: 1; transform: none; }
@keyframes riseIn {
    from { opacity: 0; transform: translateY(26px); }
    to { opacity: 1; transform: none; }
}
.reveal { opacity: 0; }
.reveal.is-in { animation: riseIn 0.7s ease forwards; }
.section-rail {
    position: fixed;
    top: 50%;
    right: 18px;
    z-index: 35;
    display: grid;
    gap: 14px;
    transform: translateY(-50%);
}
.section-rail a {
    position: relative;
    width: 10px;
    height: 10px;
    border: 1px solid rgba(46, 230, 255, 0.7);
    background: transparent;
    transform: rotate(45deg);
}
.section-rail a.is-active {
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 10px var(--amber);
}
.section-rail a::after {
    content: attr(data-label);
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
}
.section-rail a:hover::after { opacity: 1; }
.hud-readout {
    position: fixed;
    left: 16px;
    bottom: 14px;
    z-index: 35;
    display: flex;
    gap: 14px;
    font-family: Consolas, "Cascadia Mono", ui-monospace, monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: rgba(46, 230, 255, 0.75);
    pointer-events: none;
}
#lightbox {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: rgba(2, 6, 12, 0.86);
    backdrop-filter: blur(8px);
}
#lightbox[hidden] { display: none; }
#lightbox img {
    max-width: min(1100px, 100%);
    max-height: 82vh;
    border: 1px solid var(--line);
    box-shadow: 0 0 40px rgba(46, 230, 255, 0.2);
}
#lightbox-close {
    position: absolute;
    top: 18px;
    right: 18px;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: rgba(5, 10, 20, 0.8);
    color: var(--cyan);
    cursor: pointer;
}
#lightbox-close svg { width: 20px; height: 20px; }

@media (max-width: 1100px) {
    .section-rail { display: none; }
}

@media (max-width: 860px) {
    .section-rail, .hud-readout, .pointer-glow, .cursor-ring, .cursor-dot { display: none !important; }
    body.has-cursor, body.has-cursor a, body.has-cursor button { cursor: auto; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation: none !important;
        transition: none !important;
    }
    .reveal { opacity: 1; transform: none; }
}