:root {
    --bg: #001F3F;
    --bg-soft: #072a4d;
    --cream: rgb(229, 219, 197);
    --gold: #FFD700;
    --teal: #2fd6d6;
    --border: rgba(229, 219, 197, 0.25);
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    overflow: hidden;
    background-color: var(--bg);
    color: var(--cream);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a {
    color: inherit;
}

.page {
    display: grid;
    grid-template-columns: 1fr 1.35fr 1fr;
    align-items: stretch;
    height: 100vh;
    width: 100vw;
    padding: 2vh 2.5vw;
    gap: 1.5vw;
}

.col {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    min-height: 0;
    min-width: 0;
    border-radius: 18px;
    padding: 1.5vh 0.8vw;
    overflow: hidden;
}

/* --- side columns --- */
.chess-col, .code-col {
    background: linear-gradient(180deg, var(--bg-soft), var(--bg));
    border: 1px solid var(--border);
}

.chess-col {
    background-image:
        repeating-conic-gradient(rgba(255, 215, 0, 0.05) 0% 25%, transparent 0% 50%),
        linear-gradient(180deg, var(--bg-soft), var(--bg));
    background-size: 40px 40px, cover;
}

.code-col {
    background-image:
        linear-gradient(rgba(47, 214, 214, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47, 214, 214, 0.06) 1px, transparent 1px),
        linear-gradient(180deg, var(--bg-soft), var(--bg));
    background-size: 28px 28px, 28px 28px, cover;
}

.col-heading {
    margin: 0;
    font-size: clamp(1rem, 1.6vw, 1.4rem);
    letter-spacing: 0.5px;
}

.chess-heading { color: var(--gold); }
.code-heading { color: var(--teal); }

.embed-wrap {
    flex: 1;
    min-height: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.clip-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
    background: #000;
}

.tagline {
    margin: 0;
    font-size: clamp(0.75rem, 1vw, 0.95rem);
    text-align: center;
    max-width: 90%;
    opacity: 0.9;
}

.tagline a {
    color: var(--gold);
    font-weight: bold;
    text-decoration: none;
    border-bottom: 1px dashed var(--gold);
}

.code-col .tagline a {
    color: var(--teal);
    border-bottom: 1px dashed var(--teal);
}

/* --- center column --- */
.center-col {
    justify-content: space-evenly;
}

.center-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

#circle-image {
    width: 370px;
    height: 370px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gold);
}

h1 {
    margin: 0;
    font-size: clamp(1.3rem, 2.4vw, 2rem);
}

#name {
    color: var(--cream);
}

#alternating-text {
    color: var(--gold);
    font-size: clamp(1rem, 1.6vw, 1.3rem);
    min-height: 1.6em;
    font-weight: bold;
}

.desc {
    margin: 0;
    max-width: 34vw;
    font-size: clamp(0.8rem, 1.1vw, 1.05rem);
    line-height: 1.4;
    text-align: center;
}

#references {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8vw;
}

.reference-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(46px, 8vw, 80px);
    height: clamp(46px, 8vw, 80px);
    color: var(--gold);
    background-color: transparent;
    border: 2px solid var(--gold);
    border-radius: 12px;
    transition: all 0.25s ease;
    text-decoration: none;
}

.reference-button i {
    font-size: clamp(1rem, 1.4vw, 1.3rem);
    transition: all 0.25s ease;
}

.reference-button:hover {
    background-color: var(--gold);
    color: var(--bg);
}

#projects {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6vh;
}

.projects-heading {
    margin: 0;
    color: var(--teal);
    font-size: clamp(0.95rem, 1.5vw, 1.25rem);
}

#project-links {
    display: flex;
    flex-direction: column;
    gap: 0.5vh;
    align-items: stretch;
}

.project-button {
    display: inline-block;
    padding: 0.5vh 1vw;
    border: 2px solid var(--teal);
    border-radius: 12px;
    color: var(--cream);
    text-decoration: none;
    font-size: clamp(0.75rem, 1vw, 0.95rem);
    font-weight: bold;
    text-align: center;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.project-button:hover {
    background-color: var(--teal);
    color: var(--bg);
}

@media (max-width: 900px), (max-height: 640px) {
    html, body {
        overflow: auto;
    }
    .page {
        display: grid;
        grid-template-columns: 1.15fr 1.15fr 1.15fr;
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }
    .col {
        height: auto;
        padding: 1vh 0.4vw;
    }
    .embed-wrap {
        min-height: 300px;
    }
}

@media (max-width: 600px) {
    .page {
        grid-template-columns: 1fr;
        padding: 3vh 4vw;
        gap: 3vh;
    }
    #circle-image {
        width: clamp(180px, 50vw, 300px);
        height: clamp(180px, 50vw, 300px);
    }
    .desc {
        max-width: 90%;
    }
    .embed-wrap {
        min-height: 220px;
    }
}