:root {
    --bg-base: #1a1a1d;
    --surface: rgba(25, 25, 28, 0.7);
    --aura-green: #3ebd5e;
    --aura-green-glow: rgba(62, 189, 94, 0.4);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-hover: rgba(255, 255, 255, 0.15);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 6.5rem;
    background-color: var(--bg-base);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', system-ui, sans-serif;
}

body {
    background-color: var(--bg-base);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 150px 150px;
    background-blend-mode: soft-light;
    color: var(--text-main);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 26, 29, 0.85);
    backdrop-filter: blur(16px);
    padding: 1.2rem 5%;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    transition: padding 0.3s ease, background 0.3s ease;
}

header.scrolled {
    padding: 0.8rem 5%;
    background: rgba(26, 26, 29, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 4px;
    z-index: 101;
    grid-column: 1;
    justify-self: start;
}
.logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
    grid-column: 2;
    justify-self: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}
.nav-links a:hover { color: var(--text-main); }

.header-actions {
    grid-column: 3;
    justify-self: end;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 101;
}

.mobile-menu-btn {
    display: none;
    grid-column: 3;
    justify-self: end;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
    z-index: 101;
}

.btn {
    background: var(--surface);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 12px 28px;
    border-radius: 50px;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn:hover {
    border-color: var(--aura-green);
    color: var(--aura-green);
}
.btn-primary {
    background: var(--aura-green);
    color: #000;
    border-color: var(--aura-green);
}
.btn-primary:hover {
    background: #34a853;
    color: #000;
    box-shadow: 0 0 20px var(--aura-green-glow);
}

main { flex: 1; }

.hero {
    padding: 12rem 5% 6rem;
    text-align: center;
    position: relative;
}
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    line-height: 1.1;
    margin-bottom: 1.5rem;
}
.hero h1 span { color: var(--aura-green); }
.hero p {
    color: var(--text-muted);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 3rem;
}
.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}
.section-anchor {
    height: 0;
    scroll-margin-top: 5rem;
}

.features {
    padding: 2rem 5% 4rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 19px;
    max-width: 1152px;
    margin: 0 auto;
}
.features .card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    padding: 1.5rem 1.2rem;
    border-radius: 17px;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: border-color 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
    text-align: center;
}
.features .card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}
.features .card svg {
    width: 34px;
    height: 34px;
    fill: var(--text-main);
    margin: 0 auto 0.9rem;
    display: block;
    flex-shrink: 0;
}
.features .card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.features .card p {
    color: var(--text-muted);
    font-size: 0.96rem;
    line-height: 1.4;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 20px;
    transition: all 0.3s;
    text-decoration: none;
    color: inherit;
    display: block;
}
.card:hover {
    border-color: var(--aura-green);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(62, 189, 94, 0.05);
}
.card svg {
    width: 48px; height: 48px;
    fill: var(--aura-green);
    margin-bottom: 1.5rem;
}
.card .contact-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
    margin: 0 auto 1.5rem;
    display: block;
}
.card .contact-icon--funpay { width: 64px; }
.card h3 { font-size: 1.5rem; margin-bottom: 1rem; }
.card p { color: var(--text-muted); line-height: 1.6; }

.choice {
    padding: 2rem 5% 5rem;
    max-width: 1152px;
    margin: 0 auto;
}
.choice-header {
    text-align: center;
    margin-bottom: 2rem;
}
.choice-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
}
.choice .section-anchor {
    scroll-margin-top: 6.5rem;
}
.choice-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 19px;
}
.choice-grid .card {
    background: var(--surface);
    border: 1px solid var(--border-color);
    padding: 1.75rem 1.25rem;
    border-radius: 17px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    cursor: default;
    overflow: hidden;
}
.choice-grid .card--video {
    padding: 0;
    min-height: 320px;
}
a.choice-card-link {
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}
a.choice-card-link:focus-visible {
    outline: 2px solid var(--aura-green);
    outline-offset: 4px;
}
.choice-grid .card:hover {
    border-color: var(--aura-green);
    box-shadow: 0 8px 28px rgba(62, 189, 94, 0.12);
    transform: translateY(-4px);
}
.choice-card-media {
    width: 100%;
    flex: 1;
    min-height: 240px;
    background: #0d0d0f;
    overflow: hidden;
    position: relative;
}
.choice-card-media video,
.choice-card-media img {
    width: 100%;
    height: 100%;
    min-height: 240px;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.35s ease, filter 0.35s ease;
}
.card--update:hover .choice-card-media img,
.card--undetect:hover .choice-card-media video {
    transform: scale(1.04);
    filter: brightness(0.45);
}
.choice-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgba(10, 10, 12, 0.55);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    text-align: center;
    gap: 0.75rem;
}
.card--update:hover .choice-card-overlay,
.card--undetect:hover .choice-card-overlay {
    opacity: 1;
}
.card--update .choice-card-overlay span {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #ff9f0a;
    padding: 0.55rem 1.1rem;
    border: 1px solid rgba(255, 159, 10, 0.65);
    border-radius: 50px;
    background: rgba(255, 159, 10, 0.12);
    box-shadow: 0 0 20px rgba(255, 159, 10, 0.25);
}
.choice-card-badge {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--aura-green);
    padding: 0.55rem 1.1rem;
    border: 1px solid rgba(62, 189, 94, 0.65);
    border-radius: 50px;
    background: rgba(62, 189, 94, 0.12);
    box-shadow: 0 0 20px rgba(62, 189, 94, 0.25);
}
.choice-card-overlay-desc {
    margin: 0;
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.88);
    max-width: 220px;
}
.choice-grid .card svg {
    width: 34px;
    height: 34px;
    fill: var(--aura-green);
    margin-bottom: 0.9rem;
    flex-shrink: 0;
}
.choice-grid .card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.35;
}
.choice-grid .card--video h3 {
    width: 100%;
    padding: 2rem 1rem 1.35rem;
    margin: 0;
    margin-top: -2rem;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    background: #19191c;
}

.reviews {
    padding: 2rem 5% 5rem;
    max-width: 960px;
    margin: 0 auto;
    scroll-margin-top: 5rem;
}
.reviews-header {
    text-align: center;
    margin-bottom: 2rem;
}
.reviews-header h2 {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
}
.reviews-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}
.reviews-stats-wrap {
    width: 100%;
    display: flex;
    justify-content: center;
}
.reviews-row {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
}
@media (min-width: 960px) {
    .reviews-row {
        flex-direction: row;
        align-items: flex-start;
        justify-content: center;
        gap: 2rem;
        padding-top: 0.25rem;
    }
}
.reviews-content {
    background: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: 17px;
    padding: 1.85rem 2rem;
    width: 100%;
    max-width: 400px;
    flex: 0 1 400px;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.reviews-content:hover {
    border-color: var(--aura-green);
    box-shadow: 0 8px 28px rgba(62, 189, 94, 0.12);
    transform: translateY(-4px);
}
.reviews-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.15rem;
}
.reviews-content p:last-child { margin-bottom: 0; }
.reviews-content a {
    color: var(--aura-green);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s, text-shadow 0.3s;
}
.reviews-content a:hover {
    text-shadow: 0 0 12px var(--aura-green-glow);
}
.reviews-screenshot {
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
    line-height: 0;
    background: var(--surface);
}
.reviews-screenshot--stats {
    max-width: 240px;
    width: 100%;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.reviews-screenshot--stats:hover {
    border-color: var(--aura-green);
    box-shadow: 0 8px 28px rgba(62, 189, 94, 0.12);
    transform: translateY(-4px);
}
.reviews-screenshot--expand {
    position: relative;
    padding: 0;
    margin: 0;
    font: inherit;
    color: inherit;
    cursor: pointer;
    width: 100%;
    max-width: 320px;
    flex: 0 1 320px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}
.reviews-screenshot--expand:hover {
    border-color: rgba(62, 189, 94, 0.45);
    box-shadow: 0 8px 28px rgba(62, 189, 94, 0.12);
    transform: translateY(-2px);
}
.reviews-screenshot--expand:focus-visible {
    outline: 2px solid var(--aura-green);
    outline-offset: 3px;
}
.reviews-screenshot img {
    width: 100%;
    height: auto;
    display: block;
}
.reviews-zoom-hint {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 0.55rem 0.75rem;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.82));
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.78rem;
    font-weight: 500;
    line-height: 1.3;
    text-align: center;
    pointer-events: none;
}
.reviews-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    background: rgba(0, 0, 0, 0.9);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.reviews-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}
.reviews-lightbox img {
    max-width: min(650px, 94vw);
    max-height: 90vh;
    width: auto;
    height: auto;
    border-radius: 10px;
    border: 1px solid rgba(62, 189, 94, 0.35);
    box-shadow: 0 0 40px rgba(62, 189, 94, 0.15);
}
.reviews-lightbox-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: var(--surface);
    color: var(--text-main);
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.25s, color 0.25s;
}
.reviews-lightbox-close:hover {
    border-color: var(--aura-green);
    color: var(--aura-green);
}
body.reviews-lightbox-open {
    overflow: hidden;
}

.contacts {
    padding: 6rem 5%;
    text-align: center;
}
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 3rem auto 0;
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 5%;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: auto;
}
footer a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}
footer a:hover {
    color: var(--aura-green);
}

@media (max-width: 768px) {
    header {
        display: flex;
        justify-content: space-between;
    }

    .hero { padding: 8rem 5% 4rem; }

    .features,
    .choice-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }

    .mobile-menu-btn { display: block; }

    .nav-links {
        grid-column: unset;
        justify-self: unset;
        gap: 0;
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--bg-base);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        border-left: 1px solid var(--border-color);
        transition: right 0.4s ease;
    }
    .nav-links.active { right: 0; }

    .nav-links a {
        margin: 15px 0;
        font-size: 1.2rem;
    }
    .header-actions {
        margin-left: auto;
        margin-right: 10px;
    }
}