/* automobile01 — Asphalt Runway hero (light default, dark via theme) */

.am-hero {
    position: relative;
    margin: 0;
    padding: 0;
    background: var(--nl-bg);
    color: var(--nl-ink);
    color-scheme: light;
}

html[data-bs-theme="dark"] .am-hero,
body[data-bs-theme="dark"] .am-hero,
.am-shell[data-bs-theme="dark"] .am-hero,
[data-bs-theme="dark"] .am-hero {
    background: var(--nl-deep);
    color: #f4f5f7;
    color-scheme: dark;
}

.am-stage-stack {
    position: relative;
    min-height: min(88vh, 820px);
    overflow: hidden;
    background: #1a1f28;
}

html[data-bs-theme="dark"] .am-stage-stack,
body[data-bs-theme="dark"] .am-stage-stack,
.am-shell[data-bs-theme="dark"] .am-stage-stack,
[data-bs-theme="dark"] .am-stage-stack {
    background: #050608;
}

/* ——— Stage (div wrapper — fade lives here, not on <a>) ——— */
.am-stage {
    position: absolute;
    inset: 0;
    display: block;
    min-height: 100%;
    color: #f4f5f7;
    overflow: hidden;
    background: #1a1f28;
    opacity: 0;
    pointer-events: none;
    z-index: 0;
}

html[data-bs-theme="dark"] .am-stage,
body[data-bs-theme="dark"] .am-stage,
.am-shell[data-bs-theme="dark"] .am-stage,
[data-bs-theme="dark"] .am-stage {
    background: #050608;
}

.am-stage.is-active {
    z-index: 2;
    pointer-events: auto;
    animation: am-fade-in 0.9s ease both;
}

.am-stage.is-leaving {
    z-index: 1;
    pointer-events: none;
    animation: am-fade-out 0.9s ease both;
}

.am-stage__link {
    position: absolute;
    inset: 0;
    display: block;
    color: inherit;
    text-decoration: none;
}

.am-stage__link:hover,
.am-stage__link:focus-visible {
    color: #f4f5f7;
}

.am-stage:hover,
.am-stage:focus-within {
    color: #f4f5f7;
}

.am-stage__media {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.am-stage__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 38%;
    transform: scale(1.06);
    will-change: transform;
}

.am-stage.is-active .am-stage__media img {
    animation: am-sweep 18s var(--nl-ease) both;
}

.am-stage.is-active:hover .am-stage__media img {
    transform: scale(1.1) translate3d(-1.2%, 0, 0);
    transition: transform 1.2s var(--nl-ease);
}

/* Atmosphere: cool asphalt wash + hot accent bleed */
.am-stage__shade {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 55% at 78% 28%, color-mix(in srgb, var(--nl-accent) 18%, transparent), transparent 55%),
        linear-gradient(105deg, rgba(5, 6, 8, 0.82) 0%, rgba(5, 6, 8, 0.35) 42%, rgba(5, 6, 8, 0.15) 68%, rgba(5, 6, 8, 0.45) 100%),
        linear-gradient(0deg, rgba(5, 6, 8, 0.97) 0%, rgba(5, 6, 8, 0.55) 32%, transparent 62%);
}

/* Animated headlight / speed streak — only on active */
.am-stage__streak {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
    opacity: 0;
}

.am-stage.is-active .am-stage__streak {
    opacity: 1;
}

.am-stage__streak::before {
    content: "";
    position: absolute;
    top: 18%;
    left: -40%;
    width: 55%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        color-mix(in srgb, var(--nl-accent) 45%, #fff),
        color-mix(in srgb, var(--nl-accent) 85%, transparent),
        transparent
    );
    transform: skewX(-18deg);
    animation: am-streak 7.5s var(--nl-ease) infinite;
    opacity: 0.85;
}

.am-stage__streak::after {
    content: "";
    position: absolute;
    top: 42%;
    left: -50%;
    width: 40%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-18deg);
    animation: am-streak 9s 1.4s var(--nl-ease) infinite;
    opacity: 0.5;
}

/* Fine asphalt grain */
.am-stage__grain {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    opacity: 0.22;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Racing stripe — vertical edge signal */
.am-stage__stripe {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 5px;
    z-index: 4;
    pointer-events: none;
    background: linear-gradient(
        180deg,
        transparent 8%,
        var(--nl-accent) 22%,
        var(--nl-accent) 72%,
        transparent 92%
    );
    box-shadow: 0 0 24px color-mix(in srgb, var(--nl-accent) 45%, transparent);
}

/* Bottom deck — full-bleed runway panel, not a card */
.am-stage__deck {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    padding-top: clamp(4rem, 12vw, 7.5rem);
    background:
        linear-gradient(
            0deg,
            rgba(5, 6, 8, 0.98) 0%,
            rgba(5, 6, 8, 0.88) 48%,
            rgba(5, 6, 8, 0) 100%
        );
    clip-path: polygon(0 18%, 100% 0, 100% 100%, 0 100%);
}

.am-stage__copy {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding-top: 1rem;
    padding-bottom: clamp(2.75rem, 5vw, 3.75rem);
    max-width: var(--nl-container);
}

.am-stage__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    width: fit-content;
    margin: 0 0 0.9rem;
    font-family: var(--nl-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: color-mix(in srgb, var(--nl-accent) 42%, #fff);
}

.am-stage__eyebrow::before {
    content: "";
    width: 2rem;
    height: 3px;
    background: var(--nl-accent);
    box-shadow: 0 0 12px color-mix(in srgb, var(--nl-accent) 55%, transparent);
}

.am-stage__title {
    font-family: var(--nl-display);
    font-size: clamp(2.35rem, 6.2vw, 4.6rem);
    font-weight: 700;
    line-height: 0.98;
    letter-spacing: 0.015em;
    text-transform: uppercase;
    color: #fff;
    margin: 0 0 1rem;
    max-width: 16ch;
    text-wrap: balance;
    text-shadow: 0 18px 50px rgba(0, 0, 0, 0.55);
}

.am-stage__excerpt {
    margin: 0 0 1.5rem;
    max-width: 34rem;
    font-size: clamp(1.02rem, 1.55vw, 1.2rem);
    line-height: 1.55;
    color: rgba(244, 245, 247, 0.82);
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.am-stage__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem 1.5rem;
    font-size: 0.92rem;
    color: rgba(244, 245, 247, 0.68);
}

.am-stage__meta time {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
}

.am-stage__cta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    font-family: var(--nl-display);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background: var(--nl-accent);
    padding: 0.7rem 1.15rem 0.7rem 1.25rem;
    border: 1px solid color-mix(in srgb, var(--nl-accent) 70%, #fff);
    box-shadow: 0 10px 28px color-mix(in srgb, var(--nl-accent) 35%, transparent);
    transition:
        transform 0.28s var(--nl-ease),
        box-shadow 0.28s var(--nl-ease),
        background 0.28s var(--nl-ease);
}

.am-stage__cta::after {
    content: "";
    width: 1.1rem;
    height: 2px;
    background: currentColor;
    box-shadow: 5px -3px 0 -0.5px currentColor, 5px 3px 0 -0.5px currentColor;
    transition: transform 0.28s var(--nl-ease);
}

.am-stage:hover .am-stage__cta {
    background: color-mix(in srgb, var(--nl-accent) 82%, #fff);
    transform: translateX(3px);
    box-shadow: 0 14px 36px color-mix(in srgb, var(--nl-accent) 45%, transparent);
}

.am-stage:hover .am-stage__cta::after {
    transform: translateX(4px);
}

.am-stage__link:focus-visible {
    outline: 2px solid var(--nl-accent);
    outline-offset: -2px;
}

/* Autoplay progress dots */
.am-stage__controls {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 1.15rem;
    z-index: 5;
    pointer-events: none;
}

.am-stage__dots {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    pointer-events: auto;
    width: fit-content;
}

.am-stage__dot {
    position: relative;
    display: block;
    width: 2.25rem;
    height: 3px;
    padding: 0;
    border: 0;
    background: rgba(255, 255, 255, 0.22);
    cursor: pointer;
    overflow: hidden;
}

.am-stage__dot.is-active {
    background: rgba(255, 255, 255, 0.18);
}

.am-stage__dot-progress {
    display: block;
    height: 100%;
    width: 0;
    background: var(--nl-accent);
    box-shadow: 0 0 10px color-mix(in srgb, var(--nl-accent) 55%, transparent);
}

.am-stage__dot.is-active .am-stage__dot-progress {
    animation-name: am-dot-fill;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
}

@keyframes am-dot-fill {
    from { width: 0; }
    to { width: 100%; }
}

/* ——— Pit-lane story strip ——— */
.am-lanes {
    position: relative;
    z-index: 2;
    background: var(--nl-surface);
    border-top: 1px solid var(--nl-line);
    border-bottom: 3px solid var(--nl-accent);
}

html[data-bs-theme="dark"] .am-lanes,
body[data-bs-theme="dark"] .am-lanes,
.am-shell[data-bs-theme="dark"] .am-lanes,
[data-bs-theme="dark"] .am-lanes {
    background: linear-gradient(180deg, #0a0c10 0%, var(--nl-asphalt) 100%);
    border-top-color: rgba(255, 255, 255, 0.06);
}

.am-lanes__inner {
    display: grid;
    gap: 0;
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .am-lanes__inner {
        grid-template-columns: repeat(4, 1fr);
    }

    .am-lanes__inner:has(> :nth-child(2):last-child) {
        grid-template-columns: repeat(2, 1fr);
    }

    .am-lanes__inner:has(> :nth-child(3):last-child) {
        grid-template-columns: repeat(3, 1fr);
    }
}

.am-lanes__item {
    display: grid;
    grid-template-columns: auto 72px 1fr;
    gap: 0.9rem;
    align-items: center;
    width: 100%;
    padding: 1.1rem 0.25rem;
    margin: 0;
    border: 0;
    border-bottom: 1px solid var(--nl-line);
    background: transparent;
    color: var(--nl-ink);
    text-align: start;
    cursor: pointer;
    font: inherit;
    transition: background 0.25s var(--nl-ease), color 0.25s var(--nl-ease);
}

@media (min-width: 768px) {
    .am-lanes__item {
        padding: 1.25rem 1.15rem;
        border-bottom: none;
        border-inline-end: 1px solid var(--nl-line);
    }

    .am-lanes__item:last-child {
        border-inline-end: none;
    }
}

.am-lanes__item:hover,
.am-lanes__item.is-active {
    background: color-mix(in srgb, var(--nl-accent) 8%, transparent);
    color: var(--nl-ink);
}

html[data-bs-theme="dark"] .am-lanes__item:hover,
html[data-bs-theme="dark"] .am-lanes__item.is-active,
body[data-bs-theme="dark"] .am-lanes__item:hover,
body[data-bs-theme="dark"] .am-lanes__item.is-active,
.am-shell[data-bs-theme="dark"] .am-lanes__item:hover,
.am-shell[data-bs-theme="dark"] .am-lanes__item.is-active,
[data-bs-theme="dark"] .am-lanes__item:hover,
[data-bs-theme="dark"] .am-lanes__item.is-active {
    background: color-mix(in srgb, var(--nl-accent) 10%, transparent);
    color: #fff;
}

.am-lanes__item.is-active {
    box-shadow: inset 0 -2px 0 var(--nl-accent);
}

.am-lanes__lap {
    font-family: var(--nl-display);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--nl-accent);
    min-width: 1.6rem;
    line-height: 1;
}

.am-lanes__media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--nl-line);
    clip-path: polygon(8% 0, 100% 0, 100% 100%, 0 100%);
}

.am-lanes__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s var(--nl-ease);
}

.am-lanes__item:hover .am-lanes__media img,
.am-lanes__item.is-active .am-lanes__media img {
    transform: scale(1.07);
}

.am-lanes__body {
    min-width: 0;
}

.am-lanes__title {
    display: -webkit-box;
    font-family: var(--nl-display);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    margin: 0 0 0.35rem;
    color: inherit;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.am-lanes__date {
    display: block;
    font-size: 0.8rem;
    color: var(--nl-muted);
    font-variant-numeric: tabular-nums;
}

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

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

@keyframes am-sweep {
    from { transform: scale(1.06) translate3d(0, 0, 0); }
    to { transform: scale(1.12) translate3d(-2%, 0.5%, 0); }
}

@keyframes am-streak {
    0% { transform: skewX(-18deg) translateX(0); opacity: 0; }
    12% { opacity: 0.9; }
    55% { opacity: 0.35; }
    100% { transform: skewX(-18deg) translateX(280%); opacity: 0; }
}

@media (max-width: 767px) {
    .am-stage-stack {
        min-height: min(72vh, 620px);
    }

    .am-stage__deck {
        clip-path: polygon(0 12%, 100% 0, 100% 100%, 0 100%);
        padding-top: 3.5rem;
    }

    .am-stage__title {
        max-width: none;
        font-size: clamp(2rem, 9vw, 2.75rem);
    }

    .am-stage__stripe {
        width: 4px;
    }

    .am-lanes__item {
        grid-template-columns: auto 64px 1fr;
        padding-inline: 0;
    }

    .am-stage__controls {
        bottom: 0.85rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .am-stage.is-active,
    .am-stage.is-leaving {
        animation-duration: 0.01ms !important;
    }

    .am-stage.is-active {
        opacity: 1;
    }

    .am-stage.is-leaving {
        opacity: 0;
    }

    .am-stage__media img,
    .am-stage.is-active .am-stage__media img,
    .am-stage.is-active:hover .am-stage__media img,
    .am-lanes__media img,
    .am-stage__streak::before,
    .am-stage__streak::after,
    .am-stage__dot-progress {
        animation: none !important;
        transition: none !important;
        transform: none !important;
    }

    .am-stage__dot.is-active .am-stage__dot-progress {
        width: 100%;
    }
}