/* AR UI - Web Animation Showcase Styles */

body.arui-index {
    overflow-y: auto !important;
    background: #000 !important;
}

:root {
    --arui-text-primary: #f1f5f9;
    --arui-text-secondary: #cbd5e1;
    --arui-text-muted: #94a3b8;
    --arui-text-dim: #64748b;
    --arui-accent: #7dd3fc;
    --arui-accent-dim: #0ea5e9;
    --arui-glass-border: rgba(125, 211, 252, 0.2);
    --arui-bg-dark: #000000;
}

/* Developer Credit - on every page */
.developer-credit {
    position: fixed;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    color: var(--arui-text-dim);
    letter-spacing: 0.5px;
    z-index: 100;
    white-space: nowrap;
}

.developer-credit span {
    color: var(--arui-text-muted);
}

/* Component Gallery Cards */
.arui-components-section .section-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    color: var(--arui-text-primary);
    margin-bottom: 0.5rem;
}

.arui-components-section .section-desc {
    font-size: 0.95rem;
    color: var(--arui-text-muted);
    margin-bottom: 2rem;
}

.component-gallery {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 1.25rem 1.5rem;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    justify-items: center;
    align-items: start;
}

.component-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: 14px;
    padding: 1.2rem 1.25rem;
    transition: all 0.28s ease;
    overflow: hidden;
    position: relative;
    width: 100%;
    max-width: 360px;
    min-height: 120px;
}

.component-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(125, 211, 252, 0.08), transparent);
    transition: left 0.6s ease;
}

.component-card:hover {
    transform: translateY(-4px);
    border-color: rgba(125, 211, 252, 0.35);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 30px rgba(14, 165, 233, 0.15);
}

.component-card:hover::before {
    left: 100%;
}

.component-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--arui-text-primary);
    margin-bottom: 0.35rem;
}

.component-card p {
    font-size: 0.82rem;
    color: var(--arui-text-muted);
    line-height: 1.45;
}

.component-card .card-arrow {
    margin-top: 1rem;
    color: var(--arui-accent);
    font-size: 0.85rem;
    opacity: 0.8;
    transition: transform 0.3s ease;
}

.component-card:hover .card-arrow {
    transform: translateX(4px);
}

/* Welcome Section - no globe */
.arui-welcome {
    /* Reduced hero height so hero + gallery fit in 100vh on 1920x1080 */
    min-height: 36vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2.5rem 2rem 1rem;
    position: relative;
}

.arui-welcome h1 {
    font-family: 'Poppins', sans-serif;
    /* slightly smaller max for desktop so the hero consumes less vertical space */
    font-size: clamp(1.9rem, 4.2vw, 3rem);
    font-weight: 700;
    color: var(--arui-text-primary);
    margin-bottom: 0.4rem;
    letter-spacing: -0.02em;
}

.arui-welcome .welcome-title {
    font-family: 'Inter', sans-serif;
    font-size: clamp(0.9rem, 1.6vw, 1.05rem);
    font-weight: 600;
    color: var(--arui-text-muted);
    margin-bottom: 0.6rem;
}

.arui-welcome .welcome-message {
    font-family: 'Inter', sans-serif;
    font-size: clamp(0.9rem, 1.2vw, 1rem);
    color: var(--arui-text-secondary);
    max-width: 640px;
    line-height: 1.5;
    margin-bottom: 0.8rem;
}

/* Components Section */
.arui-components-section {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
    /* occupy remaining viewport space beneath hero so combined fits 100vh */
    min-height: 58vh;
    padding: 1.25rem 1.5rem 2.25rem;
}


.arui-components-section .section-desc {
    font-size: 1rem;
    color: var(--arui-text-muted);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* About Section */
.arui-about-section {
    padding: 4rem 2rem 6rem;
    max-width: 720px;
    margin: 0 auto;
}

.arui-about-section .about-content {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.04) 0%,
        rgba(255, 255, 255, 0.02) 50%,
        rgba(255, 255, 255, 0.04) 100%
    );
    backdrop-filter: blur(25px);
    border: 1px solid var(--arui-glass-border);
    border-radius: 16px;
    padding: 2.5rem;
}

.arui-about-section h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--arui-text-primary);
    margin-bottom: 1rem;
}

.arui-about-section p {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    color: var(--arui-text-secondary);
    line-height: 1.75;
}

/* Full-page demo back link */
.demo-back-link {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1100;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--arui-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.demo-back-link:hover {
    color: var(--arui-accent);
    border-color: var(--arui-glass-border);
}

/* Desktop-only: force layout to fit within a single 1920x1080 viewport without scrolling */
@media (min-width:1200px) and (min-height:900px) {
    html, body {
        height: 100%;
        overflow: hidden; /* prevent page scrolling */
    }

    .arui-welcome {
        height: 36vh !important;
        min-height: 36vh !important;
        padding: 1.6rem 2rem 0.6rem !important;
        justify-content: center;
    }

    .arui-welcome h1 { font-size: 2.6rem; }
    .arui-welcome .welcome-title { font-size: 1rem; }
    .arui-welcome .welcome-message { font-size: 0.95rem; margin-bottom: 0.6rem; }

    .arui-components-section {
        height: 64vh !important;
        min-height: 64vh !important;
        padding: 0.75rem 1.5rem 1.25rem !important;
        overflow: hidden; /* ensure content stays inside */
    }

    .component-gallery {
        grid-template-columns: repeat(3, minmax(240px, 1fr));
        gap: 1rem 1.25rem;
        align-content: center;
        align-items: center;
    }

    .component-card {
        padding: 0.9rem 1rem;
        min-height: 96px;
        max-height: 140px;
    }

    .component-card h3 { font-size: 0.98rem; }
    .component-card p { font-size: 0.78rem; }

    /* hide developer credit to save vertical space on hero/gallery layout */
    .developer-credit { display: none !important; }
}