/* ==========================================================================
   AI Racetrack — High-speed project showcase with 3D racing lanes
   ========================================================================== */

/* --- Container --- */
.ai-racetrack {
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ai-racetrack__viewport {
    position: relative;
    perspective: 900px;
    perspective-origin: 50% 60%;
    overflow: hidden;
    /* No edge mask — cards run uninterrupted edge to edge */
}

/* --- Speed Lines Background --- */
.ai-racetrack__speedlines {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.ai-speedline {
    position: absolute;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.15), transparent);
    animation: ai-speedline-fly 2s linear infinite;
}

@keyframes ai-speedline-fly {
    0% { transform: translateX(100vw); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateX(-100vw); opacity: 0; }
}

/* --- Racing Lane --- */
.ai-racetrack__lane {
    overflow: hidden;
    padding: 12px 0;
    position: relative;
    z-index: 2;
}

/* Inner wrapper: holds 2 identical sets side by side.
   Desktop: JS injects CSS keyframes with pixel values.
   Mobile: JS drives transform directly via requestAnimationFrame. */
.ai-racetrack__lane-inner {
    display: flex;
    width: max-content;
}
.ai-racetrack__lane-inner > .ai-race-card {
    margin-right: 20px;
}

/* Lane depth styling.
   transform-origin: left center keeps scaled lanes flush with the left edge,
   eliminating the visible gap on both sides. */
.ai-racetrack__lane--1 {
    opacity: 0.5;
    filter: blur(1.5px);
}
.ai-racetrack__lane--2 {
    opacity: 0.75;
    filter: blur(0.5px);
}
.ai-racetrack__lane--3 {
    opacity: 1;
}

/* --- Hover: pause animation + brighten lanes --- */
.ai-racetrack__viewport:hover .ai-racetrack__lane-inner {
    animation-play-state: paused;
}
.ai-racetrack__viewport:hover .ai-racetrack__lane--1 {
    filter: blur(0.5px);
    opacity: 0.65;
}
.ai-racetrack__viewport:hover .ai-racetrack__lane--2 {
    filter: blur(0px);
    opacity: 0.9;
}

/* --- Project Card (the racing item) --- */
.ai-race-card {
    flex-shrink: 0;
    width: 280px;
    height: 160px;
    border-radius: 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 16px 20px;
    cursor: default;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

/* --- Glow trail behind cards --- */
.ai-race-card::before {
    content: '';
    position: absolute;
    top: 50%; right: -40px;
    width: 80px; height: 60%;
    background: linear-gradient(270deg, rgba(0,212,255,0.08), transparent);
    transform: translateY(-50%);
    border-radius: 50%;
    pointer-events: none;
    transition: opacity 0.3s;
}

.ai-racetrack__viewport:hover .ai-race-card::before {
    opacity: 0;
}

.ai-race-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px rgba(0,212,255,0.15), 0 0 60px rgba(0,212,255,0.05);
    transform: scale(1.05);
    z-index: 10;
}

/* --- Card content --- */
.ai-race-card__org {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.ai-race-card__org--sepf { color: var(--accent-primary); }
.ai-race-card__org--rcrc { color: var(--accent-secondary); }
.ai-race-card__org--psatri { color: var(--accent-warm); }
.ai-race-card__org--kkesh { color: var(--accent-impact); }
.ai-race-card__org--venture { color: #e879f9; }

.ai-race-card__name {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-bright);
    line-height: 1.3;
}

/* --- Card with image background --- */
.ai-race-card--has-img {
    background-size: cover;
    background-position: center;
}

.ai-race-card--has-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(6,6,14,0.2) 0%, rgba(6,6,14,0.85) 70%);
    z-index: 0;
    border-radius: 14px;
}

.ai-race-card--has-img .ai-race-card__org,
.ai-race-card--has-img .ai-race-card__name {
    position: relative;
    z-index: 1;
}

/* --- Decorative shapes inside text-only cards --- */
.ai-race-card__deco {
    position: absolute;
    top: 16px; right: 16px;
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0.25;
    pointer-events: none;
}

/* --- Speedometer counter --- */
.ai-racetrack__counter {
    position: absolute;
    bottom: 30px; right: 60px;
    z-index: 5;
    text-align: right;
    pointer-events: none;
}

.ai-racetrack__counter-num {
    font-family: var(--font-mono);
    font-size: 72px;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ai-racetrack__counter-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-top: 4px;
}

/* --- Vanishing point glow --- */
.ai-racetrack__glow {
    position: absolute;
    left: -100px;
    top: 50%;
    transform: translateY(-50%);
    width: 300px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(0,212,255,0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.ai-racetrack__glow--right {
    left: auto;
    right: -100px;
    background: radial-gradient(ellipse, rgba(99,102,241,0.06) 0%, transparent 70%);
}

/* --- Hover instruction --- */
.ai-racetrack__hint {
    text-align: center;
    margin-top: 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    letter-spacing: 1px;
    opacity: 0.6;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .ai-racetrack { min-height: auto; padding: 40px 0; }
    .ai-racetrack__viewport { perspective: none; }
    .ai-race-card { width: 200px; height: 120px; padding: 12px 14px; }
    .ai-race-card__name { font-size: 12px; }
    .ai-race-card__org { font-size: 8px; }
    .ai-racetrack__counter { bottom: 16px; right: 16px; }
    .ai-racetrack__counter-num { font-size: 36px; }
    /* Flatten lanes on mobile — no blur, no scale, no transform-origin */
    .ai-racetrack__lane--1 { filter: none; opacity: 0.45; }
    .ai-racetrack__lane--2 { filter: none; opacity: 0.7; }
    .ai-racetrack__lane--3 { transform: none; }
    .ai-racetrack__lane-inner > .ai-race-card { margin-right: 12px; }
}

/* --- RTL --- */
/* Force LTR on the racetrack viewport & lanes so translateX scrolling
   and flex direction work correctly regardless of page direction */
.ai-rtl .ai-racetrack__viewport {
    direction: ltr;
}
.ai-rtl .ai-racetrack__lane,
.ai-rtl .ai-racetrack__lane-inner {
    direction: ltr;
}

.ai-rtl .ai-racetrack__counter {
    right: auto;
    left: 60px;
    text-align: left;
}

.ai-rtl .ai-race-card::before {
    right: auto;
    left: -40px;
    background: linear-gradient(90deg, rgba(0,212,255,0.08), transparent);
}

.ai-rtl .ai-race-card__deco {
    right: auto;
    left: 16px;
}

.ai-rtl .ai-racetrack__hint {
    direction: rtl;
}