/* ============================================================
 * Owen Rummage — design tokens & global styles
 * ============================================================ */

:root {
    /* Dark theme (default). Warm-tinted near-black surface kept for human
     warmth; magenta-purple accent reads as deliberate task-light against it
     (warm room, cool focused light). */
    --color-surface: oklch(0.178 0.006 70);
    --color-surface-rise: oklch(0.225 0.007 72);
    --color-ink: oklch(0.935 0.008 90);
    --color-ink-soft: oklch(0.86 0.008 88);
    --color-muted: oklch(0.69 0.008 82);
    --color-faint: oklch(0.45 0.008 78);
    --color-accent: oklch(0.72 0.21 325);
    --color-accent-strong: oklch(0.78 0.22 325);
    --color-rule: color-mix(in oklch, var(--color-ink) 14%, transparent);
    --color-rule-strong: color-mix(in oklch, var(--color-ink) 28%, transparent);
    --color-focus-ring: color-mix(
        in oklch,
        var(--color-accent) 70%,
        transparent
    );
    --color-accent-wash: color-mix(
        in oklch,
        var(--color-accent) 14%,
        transparent
    );

    /* Type */
    --font-sans:
        "Geist Variable", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
        sans-serif;
    --font-mono:
        "Geist Mono Variable", ui-monospace, SFMono-Regular, "JetBrains Mono",
        "IBM Plex Mono", "Cascadia Code", Menlo, Consolas, monospace;

    /* Type scale */
    --fs-display: clamp(2.5rem, 1.6rem + 3.6vw, 3.875rem);
    --fs-statement: clamp(1.0625rem, 0.96rem + 0.45vw, 1.1875rem);
    --fs-role-title: 1.25rem;
    --fs-role-company: 1rem;
    --fs-body: 1rem;
    --fs-meta: 0.8125rem;
    --fs-contact: 0.9375rem;
    --fs-tiny: 0.75rem;

    /* Rhythm */
    --leading-display: 1.04;
    --leading-statement: 1.45;
    --leading-body: 1.6;
    --leading-tight: 1.2;

    --tracking-display: -0.032em;
    --tracking-tight: -0.012em;
    --tracking-mono: -0.01em;
    --tracking-label: 0.04em;

    /* Layout */
    --container-max: 760px;
    --container-pad-x: clamp(1.5rem, 4vw, 2.5rem);
    --container-pad-top: clamp(3.5rem, 8vw, 6rem);
    --container-pad-bottom: clamp(5rem, 12vw, 8rem);
    --col-meta: 124px;
    --gap-meta: 2rem;

    /* Motion */
    --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --dur-fast: 160ms;
    --dur-base: 240ms;
    --dur-slow: 420ms;

    /* z-index scale */
    --z-base: 1;
    --z-toggle: 10;
    --z-focus: 20;

    color-scheme: dark;
}

[data-theme="light"] {
    --color-surface: oklch(0.97 0 0);
    --color-surface-rise: oklch(0.93 0 0);
    --color-ink: oklch(0.2 0 0);
    --color-ink-soft: oklch(0.32 0 0);
    --color-muted: oklch(0.45 0 0);
    --color-faint: oklch(0.62 0 0);
    --color-accent: oklch(0.45 0.23 322);
    --color-accent-strong: oklch(0.4 0.24 318);
    --color-rule: color-mix(in oklch, var(--color-ink) 14%, transparent);
    --color-rule-strong: color-mix(in oklch, var(--color-ink) 26%, transparent);
    --color-focus-ring: color-mix(
        in oklch,
        var(--color-accent) 70%,
        transparent
    );
    --color-accent-wash: color-mix(
        in oklch,
        var(--color-accent) 12%,
        transparent
    );
    color-scheme: light;
}

/* ============================================================
 * Reset (tight, no bloat)
 * ============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
}
* {
    margin: 0;
}
html {
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
    font-feature-settings: "kern", "liga", "calt", "ss01", "ss02";
    font-variant-ligatures: common-ligatures contextual;
    background: var(--color-surface);
}
body {
    background: var(--color-surface);
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: var(--fs-body);
    line-height: var(--leading-body);
    font-weight: 400;
    font-synthesis: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    min-height: 100dvh;
    transition:
        background var(--dur-base) var(--ease-out-quint),
        color var(--dur-base) var(--ease-out-quint);
}
img,
svg,
video,
canvas {
    display: block;
    max-width: 100%;
    height: auto;
}
input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}
button {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
    border-radius: 1px;
}

/* ============================================================
 * Page shell
 * ============================================================ */
.page {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--container-pad-top) var(--container-pad-x)
        var(--container-pad-bottom);
}

/* ============================================================
 * Theme toggle (fixed corner)
 * ============================================================ */
.theme-toggle {
    position: fixed;
    top: clamp(1rem, 2.4vw, 1.75rem);
    right: clamp(1.25rem, 3vw, 2rem);
    z-index: var(--z-toggle);
    display: inline-flex;
    align-items: center;
    gap: 0.5ch;
    font-family: var(--font-mono);
    font-size: var(--fs-tiny);
    letter-spacing: var(--tracking-mono);
    color: var(--color-muted);
}
.theme-toggle button {
    font: inherit;
    color: inherit;
    padding: 0.25rem 0.125rem;
    transition: color var(--dur-fast) var(--ease-out-quint);
    position: relative;
}
.theme-toggle button:hover {
    color: var(--color-ink);
}
.theme-toggle button[aria-pressed="true"] {
    color: var(--color-accent);
}
.theme-toggle__sep {
    color: var(--color-faint);
    user-select: none;
}

/* ============================================================
 * Hero (identity)
 * ============================================================ */
.hero {
    display: flex;
    flex-direction: column;
    gap: clamp(1.25rem, 3vw, 1.75rem);
}
.hero__name {
    font-family: var(--font-sans);
    font-size: var(--fs-display);
    font-weight: 500;
    line-height: var(--leading-display);
    letter-spacing: var(--tracking-display);
    color: var(--color-ink);
    text-wrap: balance;
    font-feature-settings: "kern", "ss01";
    font-variation-settings: "wght" 540;
}
.hero__statement {
    font-size: var(--fs-statement);
    line-height: var(--leading-statement);
    letter-spacing: var(--tracking-tight);
    color: var(--color-ink-soft);
    max-width: 58ch;
    text-wrap: pretty;
}
.hero__contact {
    font-family: var(--font-mono);
    font-size: var(--fs-contact);
    letter-spacing: var(--tracking-mono);
    color: var(--color-muted);
    margin-top: 0.25rem;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.35rem 1.25rem;
}

/* ============================================================
 * Link grammar
 * ============================================================ */
.link {
    color: var(--color-accent);
    text-decoration: none;
    position: relative;
    padding-bottom: 0.15em;
    background-image: linear-gradient(
        to right,
        var(--color-accent),
        var(--color-accent)
    );
    background-position: 0 100%;
    background-repeat: no-repeat;
    background-size: 100% 1px;
    transition:
        color var(--dur-fast) var(--ease-out-quint),
        background-size var(--dur-base) var(--ease-out-quint);
}
.link:hover {
    color: var(--color-accent-strong);
    background-size: 100% 2px;
}
.link:focus-visible {
    outline-offset: 4px;
}
.link--ink {
    color: var(--color-ink);
    background-image: linear-gradient(
        to right,
        var(--color-rule-strong),
        var(--color-rule-strong)
    );
}
.link--ink:hover {
    color: var(--color-accent);
    background-image: linear-gradient(
        to right,
        var(--color-accent),
        var(--color-accent)
    );
}

/* ============================================================
 * Hairline divider
 * ============================================================ */
.rule {
    border: 0;
    height: 1px;
    background: var(--color-rule);
    margin-block: clamp(3rem, 6vw, 4.5rem);
    width: 100%;
}

/* ============================================================
 * Work index (marginalia grid)
 * ============================================================ */
.work {
    display: flex;
    flex-direction: column;
}
.role {
    display: grid;
    grid-template-columns: var(--col-meta) 1fr;
    gap: var(--gap-meta);
    padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
    border-top: 1px solid transparent;
    transition: border-color var(--dur-base) var(--ease-out-quint);
}
.role + .role {
    border-top-color: var(--color-rule);
}
.role__meta {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    column-gap: 0.625rem;
    row-gap: 0.35rem;
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    letter-spacing: var(--tracking-mono);
    color: var(--color-muted);
    padding-top: 0.35rem; /* optical align with role title baseline */
    white-space: nowrap;
}
.role--current .role__meta {
    column-gap: 0.3rem;
}
.role__years {
    font-variant-numeric: tabular-nums;
}
.role__live {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: var(--fs-tiny);
    letter-spacing: var(--tracking-label);
    text-transform: uppercase;
    font-variation-settings: "wght" 500;
}
.role__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent);
    display: inline-block;
    box-shadow: 0 0 0 0 var(--color-accent);
    animation: pulse 2s var(--ease-out-quint) infinite;
}
.role__body {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    max-width: 64ch;
}
.role__title {
    font-family: var(--font-sans);
    font-size: var(--fs-role-title);
    font-weight: 500;
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--color-ink);
    text-wrap: balance;
    font-variation-settings: "wght" 520;
}
.role__company {
    font-family: var(--font-sans);
    font-size: var(--fs-role-company);
    color: var(--color-muted);
    letter-spacing: var(--tracking-tight);
    line-height: 1.35;
}
.role__bullets {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--color-ink-soft);
}
.role__bullets li {
    font-size: var(--fs-body);
    line-height: var(--leading-body);
    text-wrap: pretty;
}
.role--current .role__title {
    color: var(--color-ink);
}

/* ============================================================
 * Practice (areas of competence — marginalia grid)
 * ============================================================ */
.practice {
    display: flex;
    flex-direction: column;
}
.area {
    display: grid;
    grid-template-columns: var(--col-meta) 1fr;
    gap: var(--gap-meta);
    padding-block: clamp(1.5rem, 3vw, 2.25rem);
    border-top: 1px solid transparent;
    transition: border-color var(--dur-base) var(--ease-out-quint);
}
.area + .area {
    border-top-color: var(--color-rule);
}
.area__meta {
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    letter-spacing: var(--tracking-mono);
    color: var(--color-muted);
    padding-top: 0.35rem;
}
.area__label {
    display: inline-block;
}
.area__body {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    max-width: 64ch;
}
.area__title {
    font-family: var(--font-sans);
    font-size: var(--fs-role-title);
    font-weight: 500;
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--color-ink);
    text-wrap: balance;
    font-variation-settings: "wght" 520;
}
.area__desc {
    font-size: var(--fs-body);
    line-height: var(--leading-body);
    color: var(--color-ink-soft);
    text-wrap: pretty;
}

/* ============================================================
 * Tools (single dense row in marginalia grid)
 * ============================================================ */
.toolset {
    display: grid;
    grid-template-columns: var(--col-meta) 1fr;
    gap: var(--gap-meta);
    padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
    border-top: 1px solid var(--color-rule);
}
.toolset__meta {
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    letter-spacing: var(--tracking-mono);
    color: var(--color-muted);
    padding-top: 0.35rem;
}
.toolset__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    color: var(--color-ink-soft);
    letter-spacing: var(--tracking-mono);
    align-items: baseline;
}
.toolset__list li {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    padding: 0.25em 0.5em;
    margin: -0.25em 0;
    border-radius: 3px;
    color: var(--color-ink-soft);
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    font-variant-numeric: tabular-nums;
    transition:
        background-color var(--dur-base) var(--ease-out-quint),
        color var(--dur-fast) var(--ease-out-quint),
        transform var(--dur-base) var(--ease-out-quint),
        box-shadow var(--dur-base) var(--ease-out-quint);
    will-change: transform;
}
.toolset__list li:active {
    cursor: grabbing;
}
.toolset__list li.is-dragging {
    cursor: grabbing;
    z-index: 5;
    background-color: var(--color-accent-wash);
    color: var(--color-accent);
    box-shadow:
        0 14px 36px color-mix(in oklch, var(--color-accent) 22%, transparent),
        0 2px 8px color-mix(in oklch, var(--color-accent) 30%, transparent);
    /* JS owns transform / transition during drag */
    transition: none !important;
}
.toolset__list li.is-dragging::before {
    color: var(--color-accent);
}
/* Suppress hover styles on other chips while a drag is in flight, so
 * they don't flash as the dragged chip sweeps over them. */
.toolset__list.is-dragging-list li:not(.is-dragging):hover {
    background-color: transparent;
    color: var(--color-ink-soft);
    transform: none;
}
.toolset__list.is-dragging-list li:not(.is-dragging):hover::before {
    color: var(--color-faint);
    transform: none;
}
body.is-toolset-dragging,
body.is-toolset-dragging * {
    cursor: grabbing !important;
}
.toolset__list li::before {
    content: "#";
    color: var(--color-faint);
    margin-right: 0.06em;
    display: inline-block;
    transform-origin: 50% 65%;
    transition:
        color var(--dur-fast) var(--ease-out-quint),
        transform var(--dur-base) var(--ease-out-quint);
}
.toolset__list li:hover {
    color: var(--color-accent);
    background-color: var(--color-accent-wash);
    transform: translateY(-1px);
}
.toolset__list li:hover::before {
    color: var(--color-accent);
    transform: rotate(-14deg) translate(-1px, -1px);
}

/* ============================================================
 * Motto (closing reflection — marginalia grid)
 * ============================================================ */
.motto {
    display: grid;
    grid-template-columns: var(--col-meta) 1fr;
    gap: var(--gap-meta);
    margin-top: clamp(2.75rem, 5.5vw, 4rem);
}
.motto__meta {
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    color: var(--color-muted);
    letter-spacing: var(--tracking-mono);
    padding-top: 0.4rem;
    user-select: none;
}
.motto__text {
    font-family: var(--font-sans);
    font-style: italic;
    font-size: var(--fs-statement);
    color: var(--color-ink-soft);
    line-height: var(--leading-statement);
    letter-spacing: var(--tracking-tight);
    max-width: 56ch;
    text-wrap: balance;
    font-variation-settings:
        "wght" 420,
        "slnt" -10;
}

/* ============================================================
 * Footer
 * ============================================================ */
.foot {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: var(--fs-meta);
    color: var(--color-muted);
    letter-spacing: var(--tracking-mono);
}
.foot__build {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.foot__build::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-rule-strong);
}
.foot__home {
    font-variant-numeric: tabular-nums;
}
.foot__handle {
    color: var(--color-muted);
}

/* ============================================================
 * Motion: live dot pulse + theme transitions
 * ============================================================ */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0
            color-mix(in oklch, var(--color-accent) 50%, transparent);
    }
    70% {
        box-shadow: 0 0 0 7px
            color-mix(in oklch, var(--color-accent) 0%, transparent);
    }
    100% {
        box-shadow: 0 0 0 0
            color-mix(in oklch, var(--color-accent) 0%, transparent);
    }
}

/* ============================================================
 * Responsive: stack the marginalia grid on narrow screens
 * ============================================================ */
@media (max-width: 640px) {
    .role,
    .area,
    .toolset,
    .motto {
        grid-template-columns: 1fr;
        gap: 0.875rem;
    }
    .motto__meta {
        display: none;
    }
    .role__meta {
        flex-direction: row;
        align-items: center;
        gap: 0.875rem;
        padding-top: 0;
        flex-wrap: wrap;
    }
    .role--current .role__meta {
        gap: 0.3rem;
    }
    .area__meta:empty {
        display: none;
    }
    .area__meta,
    .toolset__meta {
        padding-top: 0;
    }
    .hero__statement {
        max-width: 100%;
    }
}

@media (min-width: 1024px) {
    :root {
        --container-max: 800px;
        --col-meta: 132px;
    }
}

/* ============================================================
 * Reduced motion
 * ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
    .role__dot {
        box-shadow: 0 0 0 3px
            color-mix(in oklch, var(--color-accent) 25%, transparent);
    }
    .toolset__list li:hover,
    .toolset__list li:hover::before {
        transform: none;
    }
}

/* ============================================================
 * Print
 * ============================================================ */
@media print {
    :root {
        --color-surface: #ffffff;
        --color-ink: #111111;
        --color-muted: #444444;
        --color-faint: #777777;
        --color-accent: #6b2d7a;
        --color-rule: #cccccc;
    }
    .theme-toggle {
        display: none;
    }
    .role__dot {
        animation: none;
    }
    body {
        background: #fff;
        color: #111;
    }
}

/* ============================================================
 * Selection
 * ============================================================ */
::selection {
    background: var(--color-accent-wash);
    color: var(--color-ink);
}