/* About page. Uses the design tokens from style.css. */

.about-page {
    display: grid;
    gap: var(--space-7);
    max-width: 1100px;
    margin: 0 auto;
}

.about-section h2 {
    font-size: clamp(1.35rem, 2.4vw, 1.8rem);
    margin-bottom: var(--space-4);
}

.about-section h3 {
    font-size: 1.08rem;
    margin-bottom: var(--space-2);
}

.about-eyebrow {
    color: var(--accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    font-size: 0.75rem;
    margin-bottom: 0.6rem;
}

.about-muted {
    color: var(--text-muted);
}

/* Placeholders */
.about-slot {
    border: 2px dashed color-mix(in oklab, var(--warning) 60%, var(--line));
    border-radius: var(--radius-sm);
    background: color-mix(in oklab, var(--warning) 7%, transparent);
    color: var(--text-muted);
    font-size: 0.92rem;
}

.about-slot-text {
    padding: 0.6rem 0.8rem;
    margin: 0 0 var(--space-3);
}

.about-slot-media {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    text-align: center;
    padding: var(--space-3);
    width: 100%;
    margin-bottom: var(--space-3);
}

.about-slot-tag {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    padding: 0.1rem 0.45rem;
    border-radius: var(--radius-pill);
    background: var(--warning);
    color: #1f1500;
    vertical-align: middle;
}

/* Hero */
.about-hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-5);
    align-items: center;
    padding: clamp(1.6rem, 4vw, 3.2rem);
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 85% 20%, rgba(14, 165, 233, 0.25), transparent 50%),
                radial-gradient(circle at 10% 90%, rgba(15, 118, 110, 0.3), transparent 50%),
                #02060f;
    border: 1px solid color-mix(in oklab, var(--line) 80%, transparent);
    box-shadow: var(--shadow-hard);
    color: #eef7ff;
}

.about-hero .about-eyebrow {
    color: #7dd3fc;
}

.about-hero h1 {
    color: #f7fbff;
    font-size: clamp(1.7rem, 3.6vw, 2.8rem);
    margin-bottom: var(--space-3);
}

.about-hero-sub {
    color: rgba(236, 246, 255, 0.86);
    font-size: 1.08rem;
    max-width: 52ch;
    margin-bottom: var(--space-4);
}

.about-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.45rem 0.9rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(125, 211, 252, 0.35);
    background: rgba(125, 211, 252, 0.08);
    color: #dff4ff;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.about-status-dot {
    flex: none;
    width: 0.6rem;
    height: 0.6rem;
    border-radius: 50%;
    background: #fbbf24;
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.2);
}

.about-hero-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.about-text-link {
    color: #7dd3fc;
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.about-text-link:hover,
.about-text-link:focus {
    color: #f7fbff;
}

.about-hero .about-slot {
    color: rgba(236, 246, 255, 0.75);
    margin: 0;
}

/* Cards */
.about-grid {
    display: grid;
    gap: var(--space-4);
}

.about-grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-card {
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    box-shadow: var(--shadow-soft);
}

.about-card > :last-child {
    margin-bottom: 0;
}

.about-card-wide {
    grid-column: 1 / -1;
}

.about-card-icon {
    font-size: 1.4rem;
    color: var(--primary);
    margin-bottom: var(--space-2);
}

.about-card h3 i {
    color: var(--primary);
    margin-right: 0.35rem;
}

.about-card-link {
    font-weight: 700;
}

/* Build status strip */
.about-status-strip {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
    counter-reset: step;
}

.about-step {
    position: relative;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: var(--space-3);
    align-items: center;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: var(--bg-elevated);
}

.about-step-marker {
    grid-row: 1 / span 2;
    display: grid;
    place-items: center;
    width: 2.4rem;
    height: 2.4rem;
    border-radius: 50%;
    border: 2px solid var(--line);
    color: var(--text-muted);
}

.about-step-name {
    font-family: 'Sora', sans-serif;
    font-weight: 600;
}

.about-step-state {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.about-step.is-done {
    border-color: color-mix(in oklab, var(--success) 50%, var(--line));
}

.about-step.is-done .about-step-marker {
    background: var(--success);
    border-color: var(--success);
    color: #ffffff;
}

.about-step.is-done .about-step-state {
    color: var(--success);
}

.about-step.is-active {
    border-color: color-mix(in oklab, var(--warning) 60%, var(--line));
}

.about-step.is-active .about-step-marker {
    border-color: var(--warning);
    color: var(--warning);
}

.about-step.is-active .about-step-state {
    color: color-mix(in oklab, var(--warning) 75%, var(--text));
}

.about-step.is-next {
    border-style: dashed;
}

/* Follow the build */
.about-follow {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    align-items: start;
}

.about-follow-label {
    font-size: 0.8rem !important;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.about-log {
    margin: 0;
    padding-left: 1.1rem;
}

/* Under the hood */
.about-hood {
    scroll-margin-top: 5rem;
    padding-top: var(--space-6);
    border-top: 1px solid var(--line);
}

.about-hood:focus {
    outline: none;
}

.about-hood:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 8px;
    border-radius: var(--radius-sm);
}

.about-diagram {
    margin: var(--space-5) 0;
    padding: var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
}

.about-diagram svg {
    display: block;
    width: 100%;
    height: auto;
}

.about-diagram-tall {
    display: none !important;
    max-width: 320px;
    margin: 0 auto;
}

.about-diagram figcaption {
    margin-top: var(--space-3);
    color: var(--text-muted);
    font-size: 0.9rem;
    text-align: center;
}

.arch-box {
    fill: var(--bg-soft);
    stroke: color-mix(in oklab, var(--primary) 55%, var(--line));
    stroke-width: 2;
}

.arch-name {
    fill: var(--text);
    font-family: 'Sora', sans-serif;
    font-weight: 600;
    font-size: 17px;
}

.arch-sub {
    fill: var(--text-muted);
    font-size: 13px;
}

.arch-line {
    stroke: var(--accent);
    stroke-width: 2;
}

.arch-arrowhead {
    fill: var(--accent);
}

.arch-link {
    fill: var(--accent);
    font-size: 12px;
    font-weight: 700;
}

.about-hood-grid {
    margin-bottom: var(--space-4);
}

.about-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.about-link-todo {
    opacity: 0.75;
    pointer-events: none;
}

/* About me */
.about-me {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: var(--space-4);
    align-items: center;
}

.about-me .about-slot-media {
    margin: 0;
    border-radius: 50%;
}

/* Contact and credits */
.about-contact {
    text-align: center;
}

.about-credits {
    font-size: 0.92rem;
}

.about-credits h2 {
    font-size: 1.05rem;
}

.about-credits ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-4);
}

@media (max-width: 900px) {
    .about-hero,
    .about-grid-3,
    .about-status-strip,
    .about-follow {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .about-page {
        gap: var(--space-6);
    }

    .about-grid-2,
    .about-me {
        grid-template-columns: 1fr;
    }

    .about-me .about-slot-media {
        max-width: 160px;
        margin: 0 auto;
    }

    .about-diagram-wide {
        display: none !important;
    }

    .about-diagram-tall {
        display: block !important;
    }
}