main {
    margin: 0;
    display: grid;
    grid-template-columns: [viewport-start] var(--site-margin) repeat(12, 1fr) var(--site-margin) [viewport-end];
    column-gap: var(--grid-gap, 1.5rem);
    font-family: var(--font-main);
}

.hero-image{
    grid-column: viewport-start / viewport-end;
    width: 100%;
}

.hero-image img{
    width: 100%;
    height: calc(100vh - var(--nav-height)); 
    display: block;
    margin-top: var(--nav-height);
    object-fit: cover; 
    object-position: center;
    margin-bottom: var(--section-margin);
}

.title-header {
    grid-column: 3 / span 10;
}

.title-heading {
    font-size: var(--font-size-h1);
    font-weight: 500;
}

.intro {
    margin-top: 1rem;
    margin-bottom: var(--section-margin);
    
    grid-column: viewport-start / viewport-end;
    
    display: grid;
    grid-template-columns: subgrid;
    column-gap: inherit; 
    row-gap: var(--section-margin);
}

.text-section{
    grid-column: viewport-start / viewport-end;
    display: grid;
    grid-template-columns: subgrid;
    column-gap: inherit;
}

.section-label {
    font-size: var(--font-size-medium);
    font-weight: 300;
    grid-column: 3 / span 2;
    color: var(--grey);
}

.section-disc {
    font-size: var(--font-size-medium);
    font-weight: 300; 
    grid-column: 5 / span 6;
}

.section-disc-2 {
    font-size: var(--font-size-medium);
    font-weight: 300; 
    grid-column: 5 / span 6;
    margin-top: 2rem;
}

.main-image{
    grid-column: viewport-start / viewport-end;
    width: 100%;
    margin-bottom: var(--section-margin);
}

.main-image img{
    width: 100%;
    height: auto; 
    display: block;
    object-fit: cover; 
    object-position: center;
}

.title-container {
    grid-column: viewport-start / viewport-end;
    margin-top: 1rem;
    margin-bottom: var(--section-margin);

    
    display: grid;
    grid-template-columns: subgrid;
    column-gap: inherit; 
    row-gap: var(--section-margin);
}

.archetypes-grid {
    grid-column: viewport-start / viewport-end;
    display: grid;
    grid-template-columns: subgrid;
    column-gap: inherit;
    row-gap: 4rem; 
    margin-bottom: var(--section-margin);
    margin-top: 2rem
}

.archetype-card {
    display: flex;
    align-items: flex-start; 
    gap: 3rem;
}

.archetype-card.card-left {
    grid-column: 3 / span 5; 
}

.archetype-card.card-right {
    grid-column: 8 / span 4; 
    justify-self: end;
}

.arch-content {
    flex: 1;
}

.arch-number {
    font-size: 7.5rem; 
    font-weight: 500;
    line-height: 0.9;
    color: var(--black);
    font-family: var(--font-main);
}

.arch-content h3 {
    font-size: var(--font-size-medium-large);
    font-weight: 500;
    margin-top: 0;
    margin-bottom: 1rem;
}

.arch-content p {
    font-size: var(--font-size-small);
    font-weight: 300;
    color: var(--grey);
    margin: 0.35rem 0;
}

.arch-content strong {
    font-weight: 600;
    color: var(--grey);
}

.wireframes-container {
    grid-column: 2 / 14;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    column-gap: inherit;
    row-gap: 2rem; 
    flex-wrap: wrap;
    margin-bottom: var(--section-margin);
}

.wireframes-container img {
    flex: 1 1 calc((100% - (9 * var(--grid-gap, 1.5rem))) / 10);
    
    max-width: calc((100% - (9 * var(--grid-gap, 1.5rem))) / 10);
    height: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0px 4px 5px rgba(0, 0, 0, 0.05));
}

.figma-prototype{
    grid-column: 3/13;
    margin-bottom: var(--section-margin);
}

.figma-prototype video{
    width: 100%;
    height: auto;
    border-radius: 1rem;
    overflow: hidden;
    filter: drop-shadow(0px 4px 5px rgba(0, 0, 0, 0.05));
}

.showcase-container {
    position: relative;
    width: 100vw;
    height: 60vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.box {
    width: 13vw;
    aspect-ratio: 1 / 1;
    background-color: #000000; 
    will-change: transform;
    z-index: 100;
}

.outro-video{
    grid-column: viewport-start / viewport-end;
    margin-bottom: var(--section-margin);
}

.outro-video video{
    width: 100%;
    height: auto;
    /* border-radius: 1rem; */
    overflow: hidden;
    filter: drop-shadow(0px 4px 5px rgba(0, 0, 0, 0.05));
}

/* ==================== MOBILE BREAKPOINT (per Figma spec) ==================== */
@media (max-width: 900px) {
    /* Hero: short banner under the nav instead of full viewport height */
    .hero-image img {
        height: auto;
        aspect-ratio: 402 / 270;
        margin-bottom: 1.5rem;
    }

    .title-header {
        grid-column: viewport-start / viewport-end;
        padding: 0 var(--site-margin);
    }

    .title-heading {
        font-size: clamp(2.25rem, 10vw, 2.5rem);
    }

    /* Text sections: single stacked column */
    .text-section {
        display: block;
        grid-column: viewport-start / viewport-end;
        padding: 0 var(--site-margin);
    }

    .section-label {
        font-size: var(--font-size-medium);
        margin-bottom: 1rem;
    }

    .section-disc {
        font-size: var(--font-size-medium);
        margin-bottom: 1rem;
    }

    .intro,
    .title-container {
        row-gap: 1.75rem;
        margin-bottom: 2.5rem;
    }

    .section-disc-2 {
        margin-top: 1.25rem;
    }

    .main-image{
        margin-bottom: 2rem;
    }

    .main-image.mobile-no-margin{
        margin-bottom: 0rem;
    }

    /* User archetypes: stacked cards without numerals */
    .archetypes-grid {
        row-gap: 2.5rem;
        margin-bottom: 2rem;
    }

    .archetype-card.card-left,
    .archetype-card.card-right {
        grid-column: viewport-start / viewport-end;
        justify-self: stretch;
        padding: 0 var(--site-margin);
    }

    .archetype-card {
        gap: 0;
    }

    .arch-number {
        display: none;
    }

    .arch-content h3 {
        margin-bottom: 0.5rem;
    }

    /* Wireframes: 3-column collage instead of one 10-up row */
    .wireframes-container {
        grid-column: viewport-start / viewport-end;
        display: block;
        columns: 3;
        column-gap: 0.9rem;
        padding: 0 var(--site-margin);
        margin-bottom: 2.5rem;
    }

    .wireframes-container img {
        width: 100%;
        max-width: none;
        margin: 0 0 0.9rem;
        break-inside: avoid;
    }

    /* Videos run full-bleed */
    .figma-prototype {
        grid-column: viewport-start / viewport-end;
    }

    .figma-prototype video {
        border-radius: 0;
    }

    .outro-video {
        margin-bottom: 2.5rem;
    }

    /* GSAP box demo sized for small screens */
    .showcase-container {
        height: 45vh;
    }

    .box {
        width: 28vw;
    }

    /* Tech stack + link pills: compact, left-aligned, wrapping */
    .skills-pill-row {
        grid-column: viewport-start / viewport-end;
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: 1.25rem;
        padding: 0 var(--site-margin);
        margin-bottom: 2.5rem;
    }

    .skills-pill-row-2 {
        grid-column: viewport-start / viewport-end;
        justify-content: center;
        flex-wrap: nowrap;
        gap: 1.25rem;
        padding: 0 var(--site-margin);
        margin-bottom: 2.5rem;
    }

    .skill-pill {
        font-size: var(--font-size-medium);
        padding: 0.5rem 2rem;
    }
}