/* ==========================================================================
   shib.me - Layout
   ========================================================================== */

.wrap {
    width: 100%;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 var(--gutter);
}

/* ==========================================================================
   Topbar
   ========================================================================== */

.topbar {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px var(--gutter);
    background: color-mix(in srgb, var(--bg-color) 82%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s var(--ease);
}

.topbar.is-scrolled {
    border-bottom-color: var(--border-color);
}

/* "Shib" reversed out of a gradient block, "Me" outside it. Same structure as
   the old ShibMe wordmark, brand colours instead of solid black. */
.brand {
    display: inline-flex;
    align-items: baseline;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-decoration: none;
    margin-right: auto;
}

/* The one place --brand-gradient carries text. Safe here because it is a solid
   fill behind 800-weight at 18px, not body copy. */
.brand .shib {
    padding: 1px 6px 2px;
    border-radius: 6px;
    color: #fff;
    background: var(--brand-gradient);
}

.brand .me {
    padding-left: 5px;
    color: var(--text-color);
}

.topbar-nav {
    display: flex;
    gap: 4px;
    margin-right: 4px;
}

.topbar-nav a {
    padding: 6px 10px;
    border-radius: var(--radius-pill);
    color: var(--text-muted);
    font-size: 13.5px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s var(--ease), background 0.15s var(--ease);
}

.topbar-nav a:hover {
    color: var(--text-color);
    background: var(--surface-2);
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    padding: 0;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: color 0.15s var(--ease), border-color 0.15s var(--ease), background 0.15s var(--ease);
}

.icon-btn:hover {
    color: var(--text-color);
    border-color: var(--border-strong);
    background: var(--surface-2);
}

.icon-btn svg {
    width: 17px;
    height: 17px;
    fill: currentColor;
}

/* The toggle shows the theme you'd switch *to*. JS swaps which icon is hidden;
   with JS off, neither is hidden and the button is removed from the flow. */
.theme-toggle .moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .sun {
    display: none;
}

html:not([data-theme]) .theme-toggle {
    display: none;
}

/* ==========================================================================
   Sections
   ========================================================================== */

section {
    padding: 72px 0 8px;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 14px;
}

.section-label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.section-title {
    font-size: clamp(26px, 4vw, 34px);
    font-weight: 700;
    margin-bottom: 10px;
}

.section-intro {
    color: var(--text-muted);
    max-width: var(--measure);
    margin-bottom: 30px;
}

/* Second-level divider, used once to split the public projects from the
   internal work. The label under a section title needs no space above it,
   this one does. */
.grid + .section-label {
    margin-top: 54px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    padding: clamp(44px, 8vw, 84px) 0 24px;
}

.hero-top {
    display: flex;
    align-items: center;
    gap: clamp(20px, 4vw, 34px);
    margin-bottom: 30px;
}

.hero-portrait {
    flex: none;
    width: clamp(96px, 16vw, 132px);
    height: clamp(96px, 16vw, 132px);
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--surface-color);
    box-shadow: var(--shadow-md);
}

.hero-name {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.hero-line {
    font-size: clamp(30px, 6.2vw, 52px);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.hero-line em {
    font-style: normal;
    background: var(--accent-ramp);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--brand-2);
}

.hero-body {
    max-width: var(--measure);
    font-size: clamp(16px, 2vw, 18px);
    color: var(--text-muted);
}

.hero-body strong {
    color: var(--text-color);
    font-weight: 600;
}

.hero-body p + p {
    margin-top: 14px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 20px;
    font-size: 14.5px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: var(--surface-color);
    box-shadow: var(--shadow-sm);
    transition: transform 0.15s var(--ease), border-color 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

.btn svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

/* Deliberately not --brand-gradient: white text over #00ddff is about 1.6:1.
   This ramp keeps white above 5:1 at every point along it. */
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #0072b8, #0044ff);
    border-color: transparent;
}

.cta-note {
    margin-top: 14px;
    font-size: 13.5px;
    color: var(--text-faint);
    max-width: 60ch;
}

.cta-note code {
    color: var(--text-muted);
}

/* ==========================================================================
   Cards
   ========================================================================== */

.grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* Four cards want 2×2, not 3-then-an-orphan. */
.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
}

.card {
    padding: 22px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}

.card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
}

.card p {
    font-size: 14.5px;
    color: var(--text-muted);
}

/* Project cards get a gradient hairline on hover. */
.card-project:hover {
    transform: translateY(-2px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-md);
}

.card-project .card-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 4px;
}

.card-project h3 a {
    text-decoration: none;
    background-image: var(--brand-gradient);
    background-repeat: no-repeat;
    background-size: 0% 2px;
    background-position: 0 100%;
    transition: background-size 0.25s var(--ease);
}

.card-project:hover h3 a {
    background-size: 100% 2px;
}

.card-domain {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
    white-space: nowrap;
}

.card-tagline {
    font-size: 15px;
    color: var(--text-color);
    font-weight: 500;
    margin-bottom: 10px;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
    font-size: 13px;
}

.card-meta a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
}

.card-meta a:hover {
    color: var(--text-color);
}

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 12px;
}

.tag {
    padding: 3px 9px;
    border-radius: var(--radius-pill);
    background: var(--surface-2);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-faint);
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Prose blocks (internal work, war stories)
   ========================================================================== */

.movement {
    position: relative;
    padding-left: 24px;
    margin-bottom: 34px;
}

.movement::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    bottom: 6px;
    width: 2px;
    border-radius: 2px;
    background: var(--brand-gradient);
    opacity: 0.55;
}

.movement h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.movement .when {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 10px;
}

.movement p {
    max-width: var(--measure);
    color: var(--text-muted);
}

.movement p + p {
    margin-top: 12px;
}

.movement strong {
    color: var(--text-color);
    font-weight: 600;
}

/* Pull-quote, used for the token exchange design and the 10 Commandments. */
.pull {
    /* Line the inner text up with the prose measure around it. */
    max-width: calc(var(--measure) + 44px);
    margin: 18px 0;
    padding: 18px 22px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--brand-2);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    box-shadow: var(--shadow-sm);
}

.pull p {
    color: var(--text-color);
    font-size: 15px;
}

.pull .pull-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 8px;
}

/* War stories */
.story {
    padding: 24px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.story + .story {
    margin-top: 16px;
}

.story h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 14px;
}

.story dl {
    margin: 0;
}

.story dt {
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-faint);
    margin-bottom: 4px;
}

.story dd {
    margin: 0 0 14px;
    color: var(--text-muted);
    max-width: var(--measure);
}

.story dd:last-child {
    margin-bottom: 0;
}

.story dd strong {
    color: var(--text-color);
    font-weight: 600;
}

.disclaimer {
    padding: 14px 18px;
    margin-bottom: 24px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 14.5px;
    color: var(--text-muted);
    max-width: var(--measure);
}

/* ==========================================================================
   Talks
   ========================================================================== */

.talks li {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 6px 14px;
    padding: 16px 0;
    border-top: 1px solid var(--border-color);
}

.talks li:first-child {
    border-top: 0;
    padding-top: 0;
}

.talks .talk-when {
    flex: none;
    width: 108px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-faint);
    letter-spacing: 0.04em;
}

.talks .talk-what {
    flex: 1 1 260px;
}

.talks .talk-title {
    font-weight: 600;
}

.talks .talk-what a {
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--border-strong);
}

.talks .talk-what a:hover {
    border-bottom-color: var(--brand-2);
}

.talks .talk-what p {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 3px;
}

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline li {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 20px;
    padding: 18px 0;
    border-top: 1px solid var(--border-color);
}

.timeline li:first-child {
    border-top: 0;
}

.timeline .tl-when {
    flex: none;
    /* Wide enough that "May 2016 – Jul 2022" stays on one line. */
    width: 158px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-faint);
    padding-top: 2px;
    letter-spacing: 0.02em;
}

.timeline .tl-what {
    flex: 1 1 280px;
}

.timeline h3 {
    font-size: 16.5px;
    font-weight: 700;
}

.timeline .tl-role {
    font-size: 14px;
    color: var(--text-color);
    font-weight: 500;
    margin: 3px 0 6px;
}

.timeline .tl-ladder {
    font-size: 13.5px;
    color: var(--text-faint);
    margin: 3px 0 6px;
}

.timeline p {
    font-size: 14.5px;
    color: var(--text-muted);
    max-width: var(--measure);
}

.education {
    margin-top: 26px;
    padding-top: 18px;
    border-top: 1px solid var(--border-color);
    font-size: 14.5px;
    color: var(--text-muted);
}

/* ==========================================================================
   Contact & footer
   ========================================================================== */

.contact-card {
    padding: clamp(24px, 4vw, 36px);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-card h2 {
    font-size: clamp(22px, 3.4vw, 28px);
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-card > p {
    color: var(--text-muted);
    max-width: var(--measure);
}

.codeblock {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 22px;
    padding: 12px 14px;
    background: var(--surface-2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

/* The command scrolls inside its own track rather than inside .codeblock, so
   the copy button stays on screen when the command is wider than the box.
   min-width is the load-bearing part: a flex item defaults to min-width: auto
   and refuses to shrink below its content, which is what pushed the button
   out of view on narrow screens. */
.codeblock code {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
    font-size: 13px;
    white-space: nowrap;
    color: var(--text-color);
}

.codeblock code .prompt {
    color: var(--text-faint);
    user-select: none;
}

.copy-btn {
    flex: none;
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.copy-btn:hover {
    color: var(--text-color);
    border-color: var(--border-strong);
}

.copy-btn.done {
    color: var(--success-color);
    border-color: var(--success-color);
}

/* No clipboard API / no JS: the button is pointless, so hide it. */
html:not(.js) .copy-btn {
    display: none;
}

footer {
    margin-top: 72px;
    padding: 30px 0 48px;
    border-top: 1px solid var(--border-color);
}

.footer-note {
    font-size: 13.5px;
    color: var(--text-faint);
    /* The measure still applies, so the auto margins are what put the centred
       text in the middle of the page rather than in the middle of a
       left-aligned box. */
    max-width: var(--measure);
    margin: 0 auto;
    text-align: center;
}

.footer-note p + p {
    margin-top: 6px;
}

.footer-note strong {
    color: var(--text-muted);
    font-weight: 600;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 720px) {
    /* The nav drops to its own full-width row under the brand. */
    .topbar {
        flex-wrap: wrap;
        row-gap: 8px;
        padding-bottom: 8px;
    }

    /* A scrollable strip of pills. It bleeds to both screen edges so a clipped
       last pill is the signal that there is more to the right, which saves
       needing a gradient or an arrow. Pills carry a resting surface because
       there is no hover on a touch screen. */
    .topbar-nav {
        display: flex;
        order: 3;
        flex: 1 0 100%;
        margin: 0 calc(-1 * var(--gutter));
        padding: 0 var(--gutter) 2px;
        overflow-x: auto;
        scrollbar-width: none;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
    }

    .topbar-nav::-webkit-scrollbar {
        display: none;
    }

    .topbar-nav a {
        flex: none;
        padding: 9px 14px;
        white-space: nowrap;
        scroll-snap-align: start;
        background: var(--surface-2);
        border: 1px solid var(--border-color);
    }

    /* The nav row takes the topbar from 58px to about 100px, so deep-linked
       headings need more clearance than the 88px set in base.css. */
    html {
        scroll-padding-top: 112px;
    }

    /* 34px clears WCAG 2.5.8 AA but sits under Apple's 44px guidance. Growing
       the buttons would add height to a sticky bar that just gained a row, so
       the hit area grows and the visual size stays put. The two topbar icons
       are 46px apart centre to centre, so these do not overlap. */
    .icon-btn {
        position: relative;
    }

    .icon-btn::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 44px;
        height: 44px;
    }

    .hero-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 18px;
    }

    .talks .talk-when,
    .timeline .tl-when {
        width: auto;
    }

    section {
        padding-top: 56px;
    }
}

/* Small phones, where a 24px gutter costs measure that the text needs more
   than the margins do. */
@media (max-width: 480px) {
    :root {
        --gutter: 18px;
    }

    .card,
    .story {
        padding: 18px;
    }

    .pull {
        padding: 16px 18px;
    }

    .movement {
        padding-left: 18px;
    }
}