:root {
    --veltron-red: #D40000;
}

/* Base styles for the concepts showcase */
.concept-page-body {
    background-color: var(--bg-black);
    color: var(--text-white);
    margin: 0;
    padding: 0;
}

/* concepts.html Styles */
.concepts-grid-section {
    padding: 120px 5%;
    min-height: 80vh;
}
.concepts-header {
    text-align: center;
    margin-bottom: 60px;
}
.concepts-header h1 {
    font-size: 3rem;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}
.concepts-header p {
    color: var(--text-gray);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.concepts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.concept-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    position: relative;
}
.concept-card:hover {
    border-color: var(--veltron-red);
    transform: translateY(-5px);
}

.concept-card-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}
.concept-card:hover .concept-card-img {
    filter: brightness(1.1);
}

.concept-card-content {
    padding: 25px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.concept-card-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.concept-card-tagline {
    color: var(--text-gray);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.concept-card-action {
    color: var(--veltron-red);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Empty State Card */
.concept-card.empty-state {
    border: 1px dashed var(--border-color);
    background: transparent;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px;
    pointer-events: none;
}
.concept-card.empty-state .concept-card-title {
    color: var(--text-gray);
    margin: 0;
}


/* concept-v1-sportline.html Styles */
.detail-page-body {
    overflow-y: scroll;
    scroll-snap-type: y mandatory;
    height: 100vh;
    scroll-behavior: smooth;
}

.detail-section {
    height: 100vh;
    width: 100vw;
    scroll-snap-align: start;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Fixed Overlays */
.fixed-nav {
    position: fixed;
    top: 30px;
    right: 40px;
    z-index: 100;
    display: flex;
    gap: 20px;
}
.fixed-nav a {
    color: var(--text-white);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}
.fixed-nav a:hover {
    color: var(--veltron-red);
}

.fixed-logo {
    position: fixed;
    top: 30px;
    left: 40px;
    z-index: 100;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    letter-spacing: 2px;
}

.scroll-indicator {
    position: fixed;
    left: 40px;
    bottom: 40px;
    z-index: 100;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 15px;
}
.scroll-indicator::before {
    content: '';
    display: inline-block;
    width: 1px;
    height: 40px;
    background: var(--text-gray);
}

.section-pagination {
    position: fixed;
    right: 40px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.section-pagination .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-color);
    transition: background 0.3s;
    text-decoration: none;
}
.section-pagination .dot.active {
    background: var(--veltron-red);
}

/* Section Specifics */
.bg-diagonal {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    background: linear-gradient(135deg, var(--bg-black) 40%, #0f0f0f 40.1%);
}

.hero-content-detail {
    text-align: center;
    z-index: 2;
}
.hero-content-detail h1 {
    font-size: 5rem;
    text-transform: uppercase;
    letter-spacing: 5px;
    margin-bottom: 10px;
}
.hero-content-detail p {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 30px;
}
.btn-primary {
    display: inline-block;
    border: 1px solid var(--veltron-red);
    color: var(--veltron-red);
    padding: 12px 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--veltron-red);
    color: var(--text-white);
}

/* Gallery Section */
.gallery-container {
    width: 80%;
    max-width: 1200px;
    position: relative;
}
.gallery-img {
    width: 100%;
    height: 60vh;
    object-fit: cover;
    border-radius: 4px;
    clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%);
}
.gallery-counter {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-gray);
    letter-spacing: 2px;
}

/* Split Section (Design Intent / Features) */
.split-section {
    display: flex;
    width: 80%;
    max-width: 1200px;
    align-items: center;
    gap: 50px;
}
.split-text {
    flex: 1;
}
.split-text h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    text-transform: uppercase;
}
.split-text p {
    color: var(--text-gray);
    font-size: 1.1rem;
    line-height: 1.8;
}
.split-img {
    flex: 1;
}
.split-img img {
    width: 100%;
    object-fit: cover;
    border-radius: 4px;
}

/* Contact Footer Section */
.footer-detail {
    text-align: center;
}
.footer-detail h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}
.footer-detail .btn-primary {
    margin-bottom: 40px;
}
.footer-simple-info {
    margin-top: 40px;
    color: var(--text-gray);
    display: flex;
    justify-content: center;
    gap: 40px;
}
.footer-simple-info a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s;
}
.footer-simple-info a:hover {
    color: var(--veltron-red);
}

@media (max-width: 768px) {
    .detail-page-body {
        scroll-snap-type: none;
        overflow-y: auto;
    }
    .detail-section {
        height: auto;
        min-height: 100vh;
        padding: 80px 20px;
    }
    .scroll-indicator, .section-pagination {
        display: none;
    }
    .fixed-nav {
        top: 20px;
        right: 20px;
        gap: 10px;
        font-size: 0.8rem;
    }
    .fixed-logo {
        top: 20px;
        left: 20px;
        font-size: 1.2rem;
    }
    .hero-content-detail h1 {
        font-size: 3rem;
    }
    .split-section {
        flex-direction: column;
        width: 100%;
    }
    .gallery-img {
        clip-path: none;
        height: 40vh;
    }
}