:root {
    /* Warm Minimal Palette */
    --bg-warm: #fdfaf6;
    --bg-panel: #f7f3ee;
    --text-industrial: #2c2c2c;
    --text-muted: #6b6b6b;
    --accent-neon: #39ff14; /* Lime Neon */
    --accent-electric: #00f3ff; /* Electric Blue */
    --border-warm: #e5e0d8;
    
    /* Fluid Typography - clamp(min, preferred, max) */
    --fs-h1: clamp(2.5rem, 8vw + 1rem, 6rem);
    --fs-h2: clamp(2rem, 5vw + 1rem, 4rem);
    --fs-h3: clamp(1.25rem, 3vw + 0.5rem, 2rem);
    --fs-body: clamp(1rem, 1vw + 0.5rem, 1.125rem);
    
    /* Design Tokens */
    --space-base: clamp(1rem, 2vw, 2rem);
    --radius-squircle: 2.5rem; /* Base for masks */
    --transition-smooth: 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Base Stylings & Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-warm);
    color: var(--text-industrial);
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Asymmetric Grid Layout (Anti-Grid) */
.layout-grid {
    display: grid;
    grid-template-columns: 1fr 2.5fr 1fr;
    gap: var(--space-base);
    min-height: 100vh;
    padding-inline: var(--space-base);
}

/* CSS Nesting Nativo */
.header {
    grid-column: 1 / -1;
    padding-block: var(--space-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-block-end: 1px solid var(--border-warm);

    .logo {
        font-weight: 800;
        letter-spacing: -0.05em;
        font-size: 1.5rem;
        text-transform: lowercase;
        
        &::before {
            content: '●';
            color: var(--accent-neon);
            margin-inline-end: 0.5rem;
            text-shadow: 0 0 10px var(--accent-neon);
        }
    }

    .nav {
        display: flex;
        gap: 2rem;
        
        a {
            text-decoration: none;
            color: var(--text-industrial);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-smooth);
            
            &:hover {
                color: var(--accent-electric);
                text-shadow: 0 0 8px var(--accent-electric);
            }
        }
    }
}

/* Hero Section with Asymmetric Design */
.hero {
    grid-column: 1 / 3;
    padding-block: 8vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    
    .cta-container {
        margin-block-start: 3rem;
        display: flex;
        gap: 1rem;
        flex-wrap: wrap; /* Essential for narrow screens */
    }
    
    h1 {
        font-size: var(--fs-h1);
        font-weight: 900;
        line-height: 0.9;
        letter-spacing: -0.04em;
        margin-block-end: 2rem;
        
        .accent {
            display: block;
            color: transparent;
            -webkit-text-stroke: 1px var(--text-industrial);
            position: relative;
            
            &::after {
                content: attr(data-text);
                position: absolute;
                inset-inline-start: 0;
                color: var(--text-industrial);
                width: 0;
                overflow: hidden;
                transition: 1s ease-in-out;
            }
        }
    }

    p {
        max-width: 40ch;
        font-size: var(--fs-body);
        color: var(--text-muted);
        margin-block-end: 3rem;
    }
}

/* Sidebar / Technical Info (The .5 in 2.5fr) */
.sidebar {
    grid-column: 3;
    padding-block: 8vh;
    border-inline-start: 1px solid var(--border-warm);
    padding-inline-start: var(--space-base);
    display: flex;
    flex-direction: column;
    gap: 4rem;

    .stat-box {
        container-type: inline-size;
        
        .value {
            font-size: 3rem;
            font-weight: 800;
            font-family: monospace;
            display: block;
        }
        
        .label {
            text-transform: uppercase;
            font-size: 0.7rem;
            letter-spacing: 0.2em;
            color: var(--text-muted);
        }
    }
}

/* Container Queries Example */
@container (width > 200px) {
    .stat-box {
        background: var(--bg-panel);
        padding: 2rem;
        mask-image: radial-gradient(circle at center, black 100%, transparent 100%);
        border-radius: var(--radius-squircle);
        border: 1px solid var(--border-warm);
        
        &:hover {
            border-color: var(--accent-neon);
            box-shadow: 0 0 20px rgba(57, 255, 20, 0.1);
        }
    }
}

/* Search Interface - Zero JS Popover & :has() */
.search-container {
    grid-column: 1 / -1;
    margin-block: 4rem;
    position: relative;
    
    input[type="search"] {
        width: 100%;
        background: var(--bg-panel);
        border: 1px solid var(--border-warm);
        padding: 2rem;
        font-size: 1.5rem;
        border-radius: var(--radius-squircle);
        outline: none;
        transition: var(--transition-smooth);
        
        &:focus {
            border-color: var(--accent-electric);
            box-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
        }
    }

    /* Change parent style if input has content or focus using :has() */
    &:has(input:focus) {
        &::before {
            content: 'AI READY';
            position: absolute;
            top: -1rem;
            right: 2rem;
            background: var(--accent-electric);
            color: white;
            font-size: 0.6rem;
            padding: 0.2rem 0.5rem;
            border-radius: 2px;
            font-weight: 900;
        }
    }
}

/* Button Styles */
.btn-main {
    background: var(--text-industrial);
    color: var(--bg-warm);
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius-squircle);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
    border: 1px solid var(--text-industrial);
    cursor: pointer;
    
    &:hover {
        background: transparent;
        color: var(--text-industrial);
        box-shadow: 0 0 20px rgba(0,0,0,0.05);
    }
}

.btn-outline {
    background: transparent;
    color: var(--text-industrial);
    padding: 1.25rem 2.5rem;
    border-radius: var(--radius-squircle);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
    border: 1px solid var(--border-warm);
    cursor: pointer;
    
    &:hover {
        border-color: var(--accent-electric);
        box-shadow: 0 0 20px rgba(0, 243, 255, 0.1);
    }
}

/* Popover API Style */
[popover] {
    border: none;
    background: var(--bg-panel);
    padding: 2rem;
    border-radius: var(--radius-squircle);
    border: 1px solid var(--border-warm);
    box-shadow: 0 40px 80px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: auto;
    
    &::backdrop {
        background: rgba(44, 44, 44, 0.1);
        backdrop-filter: blur(4px);
    }
}

/* Scroll-Driven Animations (Native CSS) */
@keyframes reveal {
    from { opacity: 0; transform: translateY(50px); }
    to { opacity: 1; transform: translateY(0); }
}

.feature-section {
    grid-column: 1 / -1;
    margin-block: 10vh;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    
    .card {
        animation: reveal linear both;
        animation-timeline: view();
        animation-range: entry 25% cover 50%;
        
        background: var(--bg-panel);
        padding: 3rem 2.5rem;
        border-radius: var(--radius-squircle);
        border: 1px solid var(--border-warm);
        position: relative;
        overflow: hidden;
        transition: var(--transition-smooth);

        &:hover {
            border-color: var(--accent-neon);
            transform: translateY(-5px);
        }

        .tech-tag {
            font-size: 0.65rem;
            text-transform: uppercase;
            font-weight: 800;
            letter-spacing: 0.1em;
            color: var(--text-muted);
            border: 1px solid var(--border-warm);
            padding: 0.2rem 0.6rem;
            border-radius: 1rem;
            display: inline-block;
            margin-block-end: 1.5rem;
        }
        
        h3 {
            font-size: var(--fs-h3);
            margin-block-end: 1rem;
            font-weight: 700;
        }

        p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
    }
}

/* Ecosystem Section */
.ecosystem-section {
    grid-column: 1 / -1;
    margin-block: 15vh;
    
    .section-title-wrapper {
        margin-block-end: 4rem;
        text-align: center;
        
        h2 {
            font-size: var(--fs-h2);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-block-start: 1rem;
        }
    }
}

.ecosystem-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.eco-card {
    background: var(--bg-panel);
    padding: 2.5rem;
    border-radius: var(--radius-squircle);
    border: 1px solid var(--border-warm);
    transition: var(--transition-smooth);
    opacity: 0.6;
    filter: grayscale(1);

    &.active {
        opacity: 1;
        filter: none;
        border-color: var(--accent-neon);
        box-shadow: 0 10px 30px rgba(57, 255, 20, 0.05);
    }

    &:hover:not(.active) {
        opacity: 0.8;
        filter: grayscale(0.5);
        border-color: var(--accent-electric);
    }

    .eco-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-block-end: 1.5rem;

        h3 {
            font-size: 1.25rem;
            font-weight: 700;
        }

        .eco-status {
            font-size: 0.6rem;
            text-transform: uppercase;
            font-weight: 900;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            background: var(--bg-warm);
            border: 1px solid var(--border-warm);
        }
    }

    p {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.5;
    }
}

/* Roadmap Section */
.roadmap-section {
    grid-column: 1 / -1;
    margin-block: 15vh;
}

.roadmap-container {
    position: relative;
    padding-block: 4rem;
}

.roadmap-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--border-warm);
    z-index: 1;
}

.roadmap-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.roadmap-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;

    .step-marker {
        width: 12px;
        height: 12px;
        background: var(--bg-warm);
        border: 2px solid var(--border-warm);
        border-radius: 50%;
        margin-block-end: 2rem;
        transition: var(--transition-smooth);
        position: relative;
        z-index: 3;
    }

    &.active .step-marker {
        background: var(--accent-neon);
        border-color: var(--accent-neon);
        box-shadow: 0 0 15px var(--accent-neon);
    }

    .step-content {
        .step-date {
            font-size: 0.7rem;
            font-weight: 800;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            display: block;
            margin-block-end: 0.5rem;
        }

        h3 {
            font-size: 1.125rem;
            font-weight: 800;
            margin-block-end: 1rem;
        }

        ul {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
        }
    }
}

/* Squircles via Mask... */
.squircle {
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' viewBox='0 0 100 100'%3E%3Cpath d='M0,50 C0,10 10,0 50,0 C90,0 100,10 100,50 C100,90 90,100 50,100 C10,100 0,90 0,50'/%3E%3C/svg%3E");
    mask-size: 100% 100%;
}

/* Media Queries (Minimal, used only for critical layout shifts) */
@media (max-width: 1024px) {
    :root {
        --space-base: 1rem; /* Smaller padding for mobile */
    }

    .layout-grid {
        grid-template-columns: 1fr;
        padding-inline: 1rem;
    }

    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero, .sidebar, .header, .search-container {
        grid-column: 1;
    }

    .hero {
        padding-block: 4vh;
        
        h1 {
            margin-block-end: 1rem;
        }

        .cta-container {
            flex-direction: column;
            width: 100%;
            
            .btn-main, .btn-outline {
                width: 100%;
                text-align: center;
                padding-inline: 1rem; /* Less horizontal padding to prevent overflow */
            }
        }
    }

    .feature-section, .ecosystem-grid, .roadmap-steps {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card, .eco-card {
        padding: 2rem 1.5rem; /* Consolidate padding for narrow space */
    }

    .roadmap-line {
        display: none;
    }

    .roadmap-step {
        text-align: left;
        align-items: flex-start;
        border-inline-start: 1px solid var(--border-warm);
        padding-inline-start: 1.5rem;
        padding-block-end: 2.5rem;
        
        .step-marker {
            position: absolute;
            left: -6px;
            margin-block-end: 0;
        }
    }

    .sidebar {
        border-inline-start: none;
        border-block-start: 1px solid var(--border-warm);
        padding-inline-start: 0;
        margin-block-start: 2rem;
        flex-direction: column;
        gap: 2rem;

        .stat-box {
            width: 100%;
        }
    }

    footer {
        padding-block: 2rem;
        font-size: 0.65rem; /* Even smaller for footer info */
    }
}