/* Shared styles for app landing pages (Nodus, Graph Core) */

.content-overlay {
    position: relative;
    z-index: 1;
}

/* Hero Section */
.app-hero {
    text-align: center;
    padding: 160px 40px 100px;
}

.app-hero-container {
    max-width: 900px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: 48px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--accent-primary);
}

/* App Icon */
.app-icon {
    width: 140px;
    height: 140px;
    margin: 0 auto 40px;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 16px 48px var(--shadow-color);
    position: relative;
}

.app-icon::before {
    content: '';
    position: absolute;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, var(--accent-primary) 0%, transparent 70%);
    opacity: 0.3;
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.app-icon img {
    width: 100%;
    height: 100%;
}

/* App Name & Tagline */
.app-name {
    font-size: 4.5rem;
    font-weight: 700;
    margin: 0 0 24px;
    color: var(--accent-primary);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-tertiary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -3px;
    line-height: 1;
}

:root[data-theme="light"] .app-name {
    background: linear-gradient(135deg, #0c4a6e 0%, #075985 50%, #0369a1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.app-tagline {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin: 0 0 40px;
    line-height: 1.7;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Badges */
.app-badges {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.app-badge {
    padding: 10px 20px;
    background: rgba(0, 191, 255, 0.08);
    border: 1px solid rgba(0, 191, 255, 0.25);
    border-radius: 999px;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

a.app-badge.github-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
}

a.app-badge.github-link:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

:root[data-theme="light"] .app-badge {
    background: rgba(0, 120, 180, 0.08);
    border-color: rgba(0, 120, 180, 0.35);
}

/* Development Notice */
.dev-notice {
    margin-top: 32px;
    padding: 16px 24px;
    background: rgba(255, 180, 0, 0.1);
    border: 1px solid rgba(255, 180, 0, 0.3);
    border-radius: 12px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Installation Notes */
.install-note {
    margin-top: 32px;
    padding: 24px;
    background: rgba(0, 191, 255, 0.06);
    border: 1px solid rgba(0, 191, 255, 0.2);
    border-radius: 12px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

:root[data-theme="light"] .install-note {
    background: rgba(0, 120, 180, 0.06);
    border-color: rgba(0, 120, 180, 0.25);
}

.install-note h4 {
    margin: 0 0 12px;
    color: var(--text-primary);
    font-size: var(--font-size-base);
}

.install-note p {
    margin: 0 0 12px;
}

.install-note p:last-child {
    margin-bottom: 0;
}

.install-note ol {
    margin: 12px 0;
    padding-left: 24px;
}

.install-note li {
    margin-bottom: 6px;
}

.install-note code {
    display: block;
    margin: 12px 0;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    font-family: monospace;
    font-size: 13px;
    overflow-x: auto;
}

:root[data-theme="light"] .install-note code {
    background: rgba(0, 0, 0, 0.08);
}

/* Sections */
.app-section {
    padding: 80px 40px;
    max-width: 1100px;
    margin: 0 auto;
    overflow: hidden;
}

.app-section img {
    max-width: 100%;
    height: auto;
}

.app-section-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin: 0 0 40px;
    color: var(--accent-primary);
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

:root[data-theme="light"] .app-section-title {
    background: linear-gradient(135deg, #0c4a6e 0%, #075985 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Layout Grids */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.features-grid .card,
.platforms-grid .card {
    background: rgba(0, 191, 255, 0.06);
    border: 1px solid rgba(0, 191, 255, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

:root[data-theme="light"] .features-grid .card,
:root[data-theme="light"] .platforms-grid .card {
    background: rgba(0, 120, 180, 0.06);
    border-color: rgba(0, 120, 180, 0.25);
}

.features-grid .card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text-primary);
}

.features-grid .card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* Tech Categories - grouped by paradigm */
.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.tech-category h4 {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-muted);
    margin: 0 0 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tech-category .tech-stack {
    gap: 8px;
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.platforms-grid a.card {
    text-decoration: none;
    text-align: center;
    align-items: center;
}

.platforms-grid .card h4 {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    margin: 0 0 8px;
}

.platforms-grid .card p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 48px 40px;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.app-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color 0.3s ease;
}

.app-footer a:hover {
    color: var(--accent-primary);
}

/* Screenshot */
.app-screenshot {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 16px 48px var(--shadow-color);
    border: 1px solid rgba(0, 191, 255, 0.25);
    max-width: 100%;
}

.app-screenshot img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

:root[data-theme="light"] .app-screenshot {
    border-color: rgba(0, 120, 180, 0.35);
}

/* Carousel */
.carousel {
    position: relative;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 12px;
    background: var(--bg-secondary);
}

.carousel-container {
    position: relative;
    width: 100%;
}

.carousel-slide {
    display: none;
    width: 100%;
}

.carousel-slide.active {
    display: block;
}

.carousel-slide img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, opacity 0.2s;
    z-index: 10;
    opacity: 0.7;
}

.carousel-btn:hover {
    background: rgba(0, 0, 0, 0.75);
    opacity: 1;
}

.carousel-btn-prev {
    left: 16px;
}

.carousel-btn-next {
    right: 16px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.3));
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.carousel-dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

.carousel-dot.active {
    background: white;
    transform: scale(1.2);
}

/* Responsive */
@media (max-width: 768px) {
    .app-hero {
        padding: 100px 24px 60px;
    }

    .app-section {
        padding: 60px 24px;
    }

    .app-name {
        font-size: var(--font-size-3xl);
        letter-spacing: -2px;
    }

    .app-icon {
        width: 100px;
        height: 100px;
        border-radius: 24px;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
    }

    .carousel-btn-prev {
        left: 8px;
    }

    .carousel-btn-next {
        right: 8px;
    }
}