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

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --border: #30363d;
    --accent-blue: #4fc3f7;
    --accent-green: #00d4aa;
    --accent-purple: #bb86fc;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* ── NAV ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 60px;
    background: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.nav__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.nav__icon {
    font-size: 20px;
    color: var(--accent-blue);
}

.nav__name {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav__links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.nav__links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}
.nav__links a:hover {
    color: var(--text-primary);
}

.nav__cta {
    background: var(--accent-green);
    color: #000 !important;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: 6px;
    font-size: 13px !important;
    transition: opacity 0.2s !important;
}
.nav__cta:hover {
    opacity: 0.85;
    color: #000 !important;
}

/* ── HERO ── */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 96px 24px 0;
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

#network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    mask-image: linear-gradient(to bottom, black 40%, transparent 85%);
    -webkit-mask-image: linear-gradient(to bottom, black 40%, transparent 85%);
}

.hero > *:not(#network-canvas) {
    position: relative;
    z-index: 1;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(
        ellipse at center top,
        rgba(79, 195, 247, 0.1) 0%,
        transparent 70%
    );
    pointer-events: none;
    z-index: 0;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(79, 195, 247, 0.1);
    border: 1px solid rgba(79, 195, 247, 0.3);
    color: var(--accent-blue);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero__title {
    font-size: clamp(32px, 5vw, 60px);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.hero__title span {
    background: linear-gradient(
        135deg,
        var(--accent-blue),
        var(--accent-green)
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__sub {
    font-size: clamp(14px, 1.8vw, 17px);
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto 28px;
}

.hero__actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-green);
    color: #000;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition:
        opacity 0.2s,
        transform 0.15s;
}
.btn-primary:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-decoration: none;
    transition:
        border-color 0.2s,
        background 0.2s;
}
.btn-secondary:hover {
    border-color: var(--accent-blue);
    background: rgba(79, 195, 247, 0.05);
}

.btn-windows {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-blue);
    color: #000;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition:
        opacity 0.2s,
        transform 0.15s;
}
.btn-windows:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.btn-linux {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-purple);
    color: #000;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition:
        opacity 0.2s,
        transform 0.15s;
}
.btn-linux:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.hero__meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 40px;
}

/* hero preview — screenshot masuk ke hero */
.hero__preview {
    width: 100%;
    max-width: 1100px;
    position: relative;
}

.hero__preview::before {
    content: "";
    position: absolute;
    inset: -1px;
    border-radius: 14px;
    background: linear-gradient(
        135deg,
        rgba(79, 195, 247, 0.3),
        rgba(0, 212, 170, 0.15),
        transparent 60%
    );
    z-index: 0;
}

.hero__preview-inner {
    position: relative;
    z-index: 1;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 32px 100px rgba(0, 0, 0, 0.7);
}

.hero__preview-tabs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 14px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
}

.preview-tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 6px 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.18s;
    position: relative;
}
.preview-tab:first-child {
    border-radius: 6px 0 0 6px;
    border-right: none;
}
.preview-tab:last-child {
    border-radius: 0 6px 6px 0;
    border-left: none;
}
.preview-tab:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}
.preview-tab.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #000;
    font-weight: 800;
}

/* Lock container to Mac screenshot ratio so height never changes on tab switch */
.preview-panes {
    aspect-ratio: 1392 / 1044;
    position: relative;
    overflow: hidden;
}

.preview-pane {
    display: none;
    position: absolute;
    inset: 0;
}
.preview-pane.active {
    display: block;
}

.preview-pane img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: top left;
}

/* ── SCREENSHOTS ── */
.screenshots {
    padding: 40px 24px 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.screenshots__tabs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 28px;
}

.tab-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 7px 20px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}
.tab-btn:hover {
    color: var(--text-primary);
    border-color: var(--accent-blue);
}
.tab-btn.active {
    background: var(--accent-blue);
    color: #000;
    border-color: var(--accent-blue);
}

.screenshot-wrap {
    display: none;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
.screenshot-wrap.active {
    display: block;
}

.screenshot-wrap img {
    width: 100%;
    display: block;
}

/* ── FEATURES ── */
.features {
    padding: 80px 24px;
    max-width: 1100px;
    margin: 0 auto;
}

.section-label {
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-blue);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    text-align: center;
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 12px;
}

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 520px;
    margin: 0 auto 56px;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 28px;
    transition: border-color 0.2s;
}
.feature-card:hover {
    border-color: var(--accent-blue);
}

.feature-card__icon {
    font-size: 28px;
    margin-bottom: 14px;
}

.feature-card__title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.feature-card__desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
}

/* ── SPECS ── */
.specs {
    padding: 80px 24px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.specs__inner {
    max-width: 900px;
    margin: 0 auto;
}

.specs__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 48px;
}

.spec-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.spec-item__label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.spec-item__value {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-green);
    font-family: "JetBrains Mono", "Fira Code", monospace;
}

/* ── DOWNLOAD ── */
.download {
    padding: 100px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.download::before {
    content: "";
    position: absolute;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(
        circle,
        rgba(0, 212, 170, 0.07) 0%,
        transparent 70%
    );
    pointer-events: none;
}

.download__cards {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.download__card {
    flex: 1;
    min-width: 260px;
    max-width: 360px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px;
    position: relative;
}

.download__icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-primary);
    line-height: 1;
}

.download__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.download__badge {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    background: rgba(79, 195, 247, 0.15);
    color: var(--accent-blue);
    border: 1px solid rgba(79, 195, 247, 0.35);
    padding: 2px 8px;
    border-radius: 20px;
    vertical-align: middle;
}

.download__sub {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 28px;
}

.download__btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent-green);
    color: #000;
    font-weight: 700;
    font-size: 15px;
    padding: 14px 20px;
    border-radius: 8px;
    text-decoration: none;
    transition:
        opacity 0.2s,
        transform 0.15s;
    width: 100%;
    justify-content: center;
    margin-bottom: 14px;
}
.download__btn:hover {
    opacity: 0.88;
    transform: translateY(-1px);
}

.download__btn--win {
    background: var(--accent-blue);
    color: #000;
}

.download__btn--linux {
    background: var(--accent-purple);
    color: #000;
}

.download__info {
    font-size: 12px;
    color: var(--text-muted);
}

.download__info a {
    color: var(--accent-purple);
    text-decoration: none;
}
.download__info a:hover {
    text-decoration: underline;
}

.linux-install__trigger {
    display: inline-block;
    margin-top: 14px;
    background: transparent;
    border: none;
    color: var(--accent-purple);
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    padding: 0;
}
.linux-install__trigger:hover {
    text-decoration: underline;
}

/* ── Linux Install Modal ── */
.install-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: lb-fade 0.2s ease;
}

.install-modal.active {
    display: flex;
}

.install-modal__panel {
    position: relative;
    max-width: 860px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    text-align: left;
}

.install-modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}
.install-modal__close:hover {
    background: rgba(255, 255, 255, 0.18);
}

.linux-install__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-align: center;
}

.linux-install__grid {
    display: grid;
    gap: 14px;
}

.linux-install__item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.linux-install__format {
    flex: 0 0 170px;
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-purple);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.linux-install__item code {
    flex: 1;
    min-width: 0;
    font-family: "JetBrains Mono", "Fira Code", monospace;
    font-size: 13px;
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: nowrap;
}

.linux-install__copy {
    flex: 0 0 auto;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition:
        background 0.15s,
        border-color 0.15s,
        color 0.15s;
}
.linux-install__copy:hover {
    border-color: var(--accent-purple);
    color: var(--text-primary);
}
.linux-install__copy.copied {
    border-color: var(--accent-green);
    color: var(--accent-green);
}

/* ── FOOTER ── */
footer {
    border-top: 1px solid var(--border);
    padding: 28px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer__brand {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
}

.footer__contact {
    font-size: 13px;
    color: var(--text-muted);
}

.footer__contact a {
    color: var(--accent-blue);
    text-decoration: none;
}
.footer__contact a:hover {
    text-decoration: underline;
}

.footer__copy {
    font-size: 12px;
    color: var(--text-muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
    nav {
        padding: 0 20px;
    }
    .nav__links {
        display: none;
    }
    footer {
        flex-direction: column;
        text-align: center;
    }
    .download__card {
        padding: 32px 24px;
    }
    .install-modal__panel {
        padding: 24px 20px;
    }
    .linux-install__item {
        flex-direction: column;
        align-items: flex-start;
    }
    .linux-install__format {
        flex: none;
    }
    .linux-install__item code {
        width: 100%;
    }
}

/* ── ALSO FROM DEVELOPER ── */
.also-from {
    padding: 100px 24px;
    text-align: center;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.also-from__cards {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1440px;
    margin: 0 auto;
}

.also-from__card {
    display: flex;
    align-items: center;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px 48px;
    max-width: 680px;
    flex: 1 1 400px;
    text-align: left;
    transition: border-color 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
}

.also-from__card:hover {
    border-color: var(--accent-blue);
    box-shadow: 0 0 32px rgba(79, 195, 247, 0.12);
}

.also-from__icon {
    font-size: 52px;
    line-height: 1;
    flex-shrink: 0;
}

.also-from__body {
    flex: 1;
}

.also-from__label {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 6px;
}

.also-from__name {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.also-from__desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.also-from__cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-blue);
}

.also-from__cta:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .also-from {
        padding: 64px 24px;
    }
    .also-from__cards {
        flex-direction: column;
        align-items: stretch;
    }
    .also-from__card {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 20px;
        max-width: 100%;
    }
    .also-from__cta {
        justify-content: center;
    }
}

/* ── SAWERIA WIDGET ── */
.saweria-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

.saweria-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: linear-gradient(135deg, #f97316, #fb923c);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.4);
    transition:
        transform 0.15s,
        box-shadow 0.15s;
}
.saweria-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(249, 115, 22, 0.55);
}

.saweria-panel {
    display: none;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}
.saweria-panel.open {
    display: flex;
}

.saweria-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.saweria-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    transition: color 0.15s;
}
.saweria-close:hover {
    color: var(--text-primary);
}

.saweria-panel iframe {
    display: block;
    background: #fff;
}

@media (max-width: 600px) {
    .saweria-widget {
        bottom: 16px;
        right: 16px;
    }
}

.saweria-qr-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px;
    background: #fff;
}

.saweria-qr-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    display: block;
}

.saweria-qr-wrap.qr-error .saweria-qr-img {
    display: none;
}

.saweria-qr-hint {
    font-size: 12px;
    color: #666;
    margin: 0;
}

.saweria-donate-btn {
    display: inline-block;
    color: #f97316 !important;
    text-decoration: none !important;
    font-size: 13px;
    font-weight: 600;
    transition: opacity 0.15s;
}
.saweria-donate-btn:hover {
    opacity: 0.75;
}

/* ── Screenshots Section ── */
.screenshots-section {
    padding: 80px 24px;
    text-align: center;
    background: var(--bg-secondary);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    max-width: 1200px;
    margin: 48px auto 0;
}

.screenshot-item {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: transform 0.2s, box-shadow 0.2s;
}

.screenshot-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.screenshot-item img {
    width: 100%;
    height: auto;
    display: block;
}

.screenshot-caption {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-top: 1px solid var(--border);
}

/* ── Lightbox ── */
#lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    animation: lb-fade 0.2s ease;
}

#lightbox.active {
    display: flex;
}

#lightbox img {
    max-width: 92vw;
    max-height: 90vh;
    border-radius: 10px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
    cursor: default;
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: rgba(255,255,255,0.12);
    border: none;
    color: #fff;
    font-size: 18px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s;
}

.lightbox__close:hover {
    background: rgba(255,255,255,0.25);
}

.screenshot-item {
    cursor: zoom-in;
}

@keyframes lb-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}