:root {
    --bg-primary: #0B0D10;
    --card-bg: #12161C;
    --card-border: rgba(255, 255, 255, 0.08);
    --text-headings: #F1F5F9;
    --text-body: #94A3B8;
    --text-muted: #64748B;
    --accent-cyan: #38BDF8;
    --accent-neon: #8B5CF6;
    --accent-pink: #EC4899;
    --success-green: #22C55E;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-body);
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    color: var(--text-headings);
    font-weight: 700;
}

a {
    text-decoration: none;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px;
}

.big-card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 50px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(16px);
}

.breadcrumb-path {
    font-family: 'Inter', monospace;
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
}

.breadcrumb-path a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.breadcrumb-path a:hover {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.hero-title {
    font-size: clamp(2.2rem, 4vw, 4rem);
    line-height: 1.15;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #FFFFFF 0%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 17px;
    text-align: justify;
    color: var(--text-body);
    margin-bottom: 35px;
}

.hero-description p {
    margin-bottom: 16px;
}

.hero-description strong {
    color: var(--text-headings);
}

.section-divider {
    height: 1px;
    background: var(--card-border);
    margin: 50px 0;
}

.subsection-title {
    font-size: 30px;
    margin-bottom: 15px;
    color: var(--text-headings);
}

.group-subheading {
    font-size: 20px;
    color: var(--accent-cyan);
    margin: 35px 0 15px 0;
    font-weight: 600;
    border-left: 4px solid var(--accent-cyan);
    padding-left: 12px;
}

.demo-screenshot-box {
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 20px;
}

.landscape-img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    margin-bottom: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: block;
    transition: transform 0.3s ease;
}

.landscape-img:hover {
    transform: scale(1.01);
}

.fig-caption {
    font-size: 15px;
    color: var(--text-headings);
    margin-bottom: 15px;
    font-weight: 600;
}

.features-list {
    list-style: none;
    margin-top: 10px;
}

.features-list li {
    padding: 8px 0;
    border-bottom: 1px dashed var(--card-border);
    color: var(--text-body);
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list li i {
    color: var(--success-green);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 20px;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.tech-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.tech-card img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.tech-card h4 {
    font-size: 16px;
    color: var(--text-headings);
    margin-bottom: 4px;
}

.tech-card p {
    font-size: 13px;
    color: var(--text-muted);
}

.masonry-collage {
    column-count: 3;
    column-gap: 20px;
    margin-top: 25px;
}

.collage-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    border: 1px solid var(--card-border);
    background: #000;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    margin-bottom: 20px;
    break-inside: avoid;
}

.collage-item img {
    width: 100%;
    display: block;
    transition: transform 0.4s ease;
}

.collage-item:hover img {
    transform: scale(1.08);
}

.collage-tooltip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 13, 16, 0.9);
    backdrop-filter: blur(8px);
    padding: 15px;
    color: var(--text-headings);
    font-size: 13px;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.collage-item:hover .collage-tooltip {
    transform: translateY(0);
}

.links-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.link-card a {
    display: block;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    padding: 16px 20px;
    border-radius: 8px;
    color: var(--accent-cyan);
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s;
}

.link-card a:hover {
    background: rgba(56, 189, 248, 0.05);
    border-color: var(--accent-cyan);
}

.cta-box {
    text-align: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(56, 189, 248, 0.1) 100%);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 50px;
    border-radius: 16px;
    margin-top: 40px;
}

.cta-box h3 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-box p {
    font-size: 18px;
    color: var(--text-body);
    margin-bottom: 30px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #8B5CF6 0%, #38BDF8 100%);
    color: #FFFFFF;
    padding: 16px 36px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    box-shadow: 0 10px 25px rgba(139, 92, 246, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(139, 92, 246, 0.6);
}

.chat-float-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: #FFFFFF;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
    z-index: 9999;
    transition: transform 0.3s ease;
}

.chat-float-btn:hover {
    transform: scale(1.1);
}

@media(max-width: 768px) {
    .big-card {
        padding: 20px;
    }

    .features-grid,
    .links-grid {
        grid-template-columns: 1fr;
    }

    .masonry-collage {
        column-count: 1;
    }
}