.feature-navigator {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: clamp(var(--space-24), 11vw, 164px) var(--space-6);
    background:
        radial-gradient(circle at 12% 48%, color-mix(in srgb, var(--brand-violet) 14%, transparent), transparent 29%),
        radial-gradient(circle at 82% 18%, color-mix(in srgb, var(--brand-blue) 10%, transparent), transparent 24%),
        var(--canvas);
}

.feature-navigator::before {
    position: absolute;
    inset: 0;
    z-index: var(--z-below);
    background-image:
        linear-gradient(rgba(255, 255, 255, var(--a-04)) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, var(--a-04)) 1px, transparent 1px);
    background-size: 64px 64px;
    content: '';
    mask-image: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent);
}

.feature-navigator__shell {
    width: min(1480px, 100%);
    margin: 0 auto;
}

.feature-navigator__intro {
    max-width: 740px;
    margin-bottom: clamp(var(--space-14), 8vw, var(--space-24));
}

.feature-navigator__eyebrow,
.feature-navigator__menu-label {
    margin: 0;
    color: color-mix(in srgb, var(--brand-blue) 68%, white);
    font-family: 'Inter', sans-serif;
    font-size: var(--text-2xs);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
}

.feature-navigator__eyebrow {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    margin-bottom: var(--space-5);
}

.feature-navigator__eyebrow::before {
    width: 28px;
    height: 1px;
    background: currentColor;
    content: '';
}

.feature-navigator__intro h2 {
    max-width: 760px;
    margin: 0;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: var(--text-display);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tightest);
    line-height: var(--leading-flat);
    text-wrap: balance;
}

.feature-navigator__intro h2 span {
    color: inherit;
}

.feature-navigator__intro > p:last-child {
    max-width: 580px;
    margin: var(--space-6) 0 0;
    color: color-mix(in srgb, var(--text-secondary) 82%, transparent);
    font-size: var(--text-md);
    line-height: var(--leading-relaxed);
    text-wrap: balance;
}

.feature-navigator__layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(390px, 0.8fr);
    gap: clamp(var(--space-9), 4vw, var(--space-18));
    align-items: center;
}

.feature-navigator__stage {
    --feature-frame-radius: clamp(10px, 1vw, 16px);
    position: relative;
    min-width: 0;
    padding: 0 0 clamp(var(--space-6), 3.5vw, var(--space-12)) clamp(var(--space-6), 4vw, var(--space-14));
}

.feature-navigator__stack,
.feature-navigator__stack::before,
.feature-navigator__stack::after {
    position: absolute;
    display: block;
    border: 1px solid var(--border-subtle);
    background: var(--surface);
    box-shadow: var(--shadow-3);
    border-radius: var(--feature-frame-radius);
    content: '';
}

.feature-navigator__stack {
    top: clamp(28px, 4vw, 58px);
    right: clamp(34px, 5vw, 66px);
    bottom: clamp(10px, 2vw, 22px);
    left: 0;
    z-index: var(--z-base);
    background: var(--surface-low);
}

.feature-navigator__stack::before {
    inset: -27px 25px 27px -25px;
    background: var(--surface);
}

.feature-navigator__stack::after {
    inset: -54px 50px 54px -50px;
    background: var(--surface-high);
}

.feature-navigator__media {
    position: relative;
    z-index: var(--z-raised);
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    border-radius: var(--feature-frame-radius);
    background: #07090e;
    box-shadow: var(--shadow-3), 0 6px 16px color-mix(in srgb, var(--brand-blue) 6%, transparent);
    transition: border-color var(--dur-moderate) ease, box-shadow var(--dur-moderate) ease;
}

.feature-navigator__stage:hover .feature-navigator__media,
.feature-navigator__stage:focus-within .feature-navigator__media {
    border-color: color-mix(in srgb, var(--brand-blue) 42%, var(--border-subtle));
    box-shadow: var(--shadow-3), 0 8px 20px color-mix(in srgb, var(--brand-blue) 10%, transparent);
}

.feature-navigator__card {
    --feature-accent: var(--brand-violet);
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    overflow: hidden;
    background: #07090e;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-reveal) ease, visibility var(--dur-reveal) ease;
}

.feature-navigator__card[data-feature-card="software"] { --feature-accent: var(--brand-blue); }
.feature-navigator__card[data-feature-card="coupon"] { --feature-accent: var(--brand-pink); }
.feature-navigator__card[data-feature-card="try-on"] { --feature-accent: #9ee8b1; }
.feature-navigator__card[data-feature-card="selective-remake"] { --feature-accent: var(--status-warning); }

.feature-navigator__card::after {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(180deg, rgba(5, 7, 11, var(--a-18)), transparent 32%, transparent 68%, rgba(5, 7, 11, var(--a-18))),
        radial-gradient(circle at 74% 44%, transparent 42%, rgba(5, 7, 11, var(--a-14)) 100%);
    content: '';
    pointer-events: none;
}

.feature-navigator__card.is-active {
    z-index: var(--z-raised);
    opacity: 1;
    visibility: visible;
}

.feature-navigator__card-fallback {
    position: absolute;
    inset: 0;
    z-index: var(--z-base);
    overflow: hidden;
    background:
        radial-gradient(circle at 72% 36%, color-mix(in srgb, var(--feature-accent) 23%, transparent), transparent 30%),
        linear-gradient(135deg, rgba(255, 255, 255, var(--a-04)), transparent 48%),
        #0b0e15;
}

.feature-navigator__card-fallback::before {
    position: absolute;
    inset: 0;
    opacity: 0.38;
    background-image:
        linear-gradient(rgba(255, 255, 255, var(--a-04)) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, var(--a-04)) 1px, transparent 1px);
    background-size: 38px 38px;
    content: '';
    mask-image: linear-gradient(135deg, #000, transparent 72%);
}

.feature-navigator__card-number {
    position: absolute;
    top: 50%;
    left: 50%;
    z-index: var(--z-base);
    color: color-mix(in srgb, var(--text-primary) 90%, transparent);
    font-family: 'Inter', sans-serif;
    font-size: clamp(142px, 18vw, 280px);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tightest);
    line-height: 0.7;
    transform: translate(-55%, -42%);
}

.feature-navigator__card-icon {
    position: absolute;
    top: clamp(24px, 4vw, 42px);
    right: clamp(24px, 4vw, 42px);
    z-index: var(--z-raised);
    color: color-mix(in srgb, var(--feature-accent) 78%, white);
    font-size: 42px;
    font-variation-settings: 'FILL' 1;
}

.feature-navigator__card-video {
    position: absolute;
    inset: 0;
    z-index: var(--z-raised);
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #07090e;
    pointer-events: none;
}

.feature-navigator__card.has-media-error .feature-navigator__card-video {
    display: none;
}

.feature-navigator__card:focus-visible {
    outline: 2px solid rgba(255, 255, 255, var(--a-85));
    outline-offset: -4px;
}

.feature-navigator__menu {
    position: relative;
    isolation: isolate;
    min-width: 0;
    padding-top: var(--space-2);
}

.feature-navigator__menu::before {
    position: absolute;
    inset: -8px -12px;
    z-index: var(--z-below);
    content: '';
    pointer-events: none;
}

.feature-navigator__menu-label {
    margin-bottom: var(--space-5);
    color: color-mix(in srgb, var(--text-secondary) 58%, transparent);
}

.feature-navigator__tablist {
    min-width: 0;
}

.feature-navigator__item {
    --item-accent: var(--brand-violet);
    position: relative;
    display: grid;
    grid-template-columns: 54px minmax(0, 1fr);
    width: 100%;
    padding: var(--space-5) 0;
    color: var(--text-primary);
    border: 0;
    border-top: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: background var(--dur-moderate) ease, box-shadow var(--dur-moderate) ease;
}

.feature-navigator__item:last-child {
    border-bottom: 1px solid var(--border-subtle);
}

.feature-navigator__item::before {
    position: absolute;
    top: 50%;
    right: calc(100% + 30px);
    width: clamp(36px, 6vw, 102px);
    height: 1px;
    background: var(--item-accent);
    content: '';
    opacity: 0;
    transform: scaleX(0.35);
    transform-origin: right;
    transition: opacity var(--dur-slow) ease, transform var(--dur-slow) ease;
}

.feature-navigator__item[data-feature-target="software"] { --item-accent: var(--brand-blue); }
.feature-navigator__item[data-feature-target="coupon"] { --item-accent: var(--brand-pink); }
.feature-navigator__item[data-feature-target="try-on"] { --item-accent: #9ee8b1; }
.feature-navigator__item[data-feature-target="selective-remake"] { --item-accent: var(--status-warning); }

.feature-navigator__item-number {
    padding-top: var(--space-1);
    padding-left: var(--space-2);
    color: color-mix(in srgb, var(--text-secondary) 54%, transparent);
    font-family: 'Inter', sans-serif;
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
}

.feature-navigator__item-copy {
    display: block;
    min-width: 0;
}

.feature-navigator__item-copy strong {
    display: block;
    color: color-mix(in srgb, var(--text-primary) 72%, transparent);
    font-family: 'Inter', sans-serif;
    font-size: var(--text-3xl);
    font-weight: var(--weight-semibold);
    letter-spacing: var(--tracking-tighter);
    line-height: var(--leading-display);
    transition: color var(--dur-moderate) ease, transform var(--dur-moderate) ease;
}

.feature-navigator__item-copy > span {
    display: block;
    max-width: 470px;
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    color: color-mix(in srgb, var(--text-secondary) 76%, transparent);
    font-size: var(--text-base);
    line-height: var(--leading-relaxed);
    opacity: 0;
    transform: translateY(-5px);
    transition: max-height var(--dur-slow) ease, margin var(--dur-slow) ease, opacity var(--dur-moderate) ease, transform var(--dur-slow) ease;
}

.feature-navigator__item:hover .feature-navigator__item-copy strong,
.feature-navigator__item:focus-visible .feature-navigator__item-copy strong,
.feature-navigator__item.is-active .feature-navigator__item-copy strong {
    color: var(--text-primary);
    transform: translateX(6px);
}

.feature-navigator__item.is-active::before {
    opacity: 1;
    transform: scaleX(1);
}

.feature-navigator__item.is-active {
    z-index: var(--z-raised);
    background: linear-gradient(90deg, color-mix(in srgb, var(--item-accent) 8%, transparent), transparent 84%);
    box-shadow: 0 6px 16px color-mix(in srgb, var(--item-accent) 8%, transparent);
}

.feature-navigator__item.is-active .feature-navigator__item-number {
    color: var(--item-accent);
}

.feature-navigator__item.is-active .feature-navigator__item-copy > span {
    max-height: 90px;
    margin-top: var(--space-3);
    opacity: 1;
    transform: translateY(0);
}

.feature-navigator__item:focus-visible {
    outline: 2px solid var(--brand-blue);
    outline-offset: 5px;
}

@media (max-width: 1023px) {
    .feature-navigator__layout {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-16);
    }

    .feature-navigator__stage,
    .feature-navigator__menu {
        width: min(760px, 100%);
        margin-inline: auto;
    }

    .feature-navigator__item::before {
        display: none;
    }
}

@media (max-width: 639px) {
    .feature-navigator {
        padding: var(--space-20) var(--space-5);
    }

    .feature-navigator__intro h2 {
        font-size: var(--text-4xl);
    }

    .feature-navigator__intro > p:last-child {
        margin-top: var(--space-5);
        font-size: var(--text-base);
    }

    .feature-navigator__layout {
        gap: var(--space-12);
    }

    .feature-navigator__stage {
        padding-bottom: var(--space-7);
        padding-left: var(--space-7);
    }

    .feature-navigator__stack {
        top: 42px;
        right: 34px;
        bottom: 10px;
    }

    .feature-navigator__stack::before {
        inset: -17px 16px 17px -16px;
    }

    .feature-navigator__stack::after {
        inset: -34px 32px 34px -32px;
    }

    .feature-navigator__card-number {
        font-size: clamp(124px, 40vw, 200px);
    }

    .feature-navigator__card-icon {
        top: 18px;
        right: 18px;
        font-size: 32px;
    }

    .feature-navigator__menu-label {
        margin-bottom: var(--space-3);
    }

    .feature-navigator__item {
        grid-template-columns: 42px minmax(0, 1fr);
        padding: var(--space-5) 0;
    }

    .feature-navigator__item-copy strong {
        font-size: 27px;
    }

    .feature-navigator__item-copy > span {
        font-size: var(--text-base);
    }
}

@media (prefers-reduced-motion: reduce) {
    .feature-navigator__card,
    .feature-navigator__media,
    .feature-navigator__item,
    .feature-navigator__item::before,
    .feature-navigator__item-copy strong,
    .feature-navigator__item-copy > span {
        transition: none;
    }
}