/* ==========================================================
   Colin Stiles Portfolio v2
   Cream "paper" + olive ink. Editorial headings, mono labels.
   ========================================================== */

:root {
    --paper: #F7F4EA;
    --paper-2: #EFEBDD;
    --paper-3: #E4DDC8;
    --rule: #D8CFB9;
    --ink: #2E3A1B;          /* deep olive-black for headings */
    --ink-2: #4B3A26;        /* dark brown body text */
    --ink-3: #6E6551;        /* muted */
    --olive: #556B2F;
    --olive-deep: #3F5122;
    --olive-soft: #B9C493;
    --brown: #8B4513;        /* accent for italic words and pins */
    --cream: #F5F5DC;

    --sans: 'Figtree', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
    --serif: 'Newsreader', Georgia, serif;
    --mono: ui-monospace, 'SF Mono', SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;

    --container: 1140px;
    --section-pad: clamp(56px, 8vw, 104px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink-2);
    font-family: var(--sans);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
[tabindex="-1"]:focus { outline: none; }   /* in-page link targets receive focus from main.js */
img { max-width: 100%; height: auto; display: block; }
a { color: var(--olive-deep); }
a:hover { color: var(--brown); }
p { margin: 0 0 1em; }

.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.center { text-align: center; margin-top: 40px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--olive); color: var(--cream); padding: 8px 14px; z-index: 100; }
.skip-link:focus { left: 8px; }

/* ---------- Type ---------- */
h1, h2, h3 { color: var(--ink); margin: 0; }
h1 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: clamp(2.8rem, 6.4vw, 5rem);
    line-height: 1.05;
    letter-spacing: -0.02em;
    max-width: 16ch;
}
h2 {
    font-family: var(--sans);
    font-weight: 800;
    font-size: clamp(1.9rem, 3.8vw, 2.8rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}
h3 { font-family: var(--sans); font-weight: 700; font-size: 1.15rem; line-height: 1.3; letter-spacing: -0.01em; }
h1 em, h2 em {
    font-family: var(--serif);
    font-style: italic;
    font-weight: 600;
    color: var(--brown);
    letter-spacing: -0.01em;
}
.eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--olive);
    margin: 0 0 14px;
}
.lede { font-size: 1.1rem; color: var(--ink-3); max-width: 60ch; margin-top: 16px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 14px 24px;
    border-radius: 999px;
    border: 1.5px solid var(--olive);
    background: var(--olive);
    color: var(--cream);
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.btn:hover { background: var(--olive-deep); border-color: var(--olive-deep); color: var(--cream); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--olive-deep); }
.btn-ghost:hover { background: var(--olive); color: var(--cream); }
.btn-small { padding: 9px 16px; font-size: 0.7rem; }
.btn-light { background: var(--cream); color: var(--olive-deep); border-color: var(--cream); }
.btn-light:hover { background: transparent; color: var(--cream); border-color: var(--cream); }

/* ---------- Nav ---------- */
.site-nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(247, 244, 234, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.wordmark { font-family: var(--mono); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; color: var(--ink); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; color: var(--ink-2); }
.nav-links a:not(.btn):hover { color: var(--brown); }
.nav-toggle { display: none; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; background: none; border: 1px solid var(--rule); border-radius: 999px; padding: 8px 14px; color: var(--ink); cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
    position: relative; isolation: isolate; overflow: hidden;
    background: var(--paper);
    padding: clamp(72px, 12vw, 150px) 0 clamp(56px, 8vw, 96px);
    border-bottom: 1px solid var(--rule);
}
/* Topo lines: the (levels-stretched) image is a luminance mask over a flat olive layer,
   so the lines take the theme color. Without mask-mode support the hero stays plain paper. */
@supports (mask-mode: luminance) or (-webkit-mask-source-type: luminance) {
    .hero::before {
        content: ''; position: absolute; inset: 0; z-index: -2;
        background: var(--olive); opacity: 0.4;
        -webkit-mask: url('../images/site/topo-background-2560.jpg') center / cover no-repeat;
        -webkit-mask-source-type: luminance;
        mask: url('../images/site/topo-background-2560.jpg') center / cover no-repeat;
        mask-mode: luminance;
    }
    .hero::after {
        content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
        background: linear-gradient(90deg, rgba(247, 244, 234, 0.9) 0%, rgba(247, 244, 234, 0.55) 45%, rgba(247, 244, 234, 0) 80%);
    }
}
.hero-sub { font-size: 1.2rem; max-width: 56ch; margin: 28px 0 32px; color: var(--ink-2); }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.hero-actions .btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 22px; font-size: 0.74rem; line-height: 1; }
.hero-social { list-style: none; margin: 0 0 0 10px; padding: 0 0 0 24px; display: flex; align-items: center; gap: 10px; border-left: 1px solid var(--rule); }
.hero-social a {
    display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
    border: 1.5px solid var(--olive); color: var(--olive-deep);
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.hero-social a:hover { background: var(--olive); color: var(--cream); transform: translateY(-2px); }
.hero-social svg { width: 20px; height: 20px; fill: currentColor; }
.hero-stats { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 24px; max-width: 760px; border-top: 1px solid var(--rule); padding-top: 28px; }
.hero-stats strong { display: block; font-family: var(--serif); font-size: 2.2rem; font-weight: 600; color: var(--ink); line-height: 1.1; }
.hero-stats span { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }

/* ---------- Sections ---------- */
.section { padding: var(--section-pad) 0; }
.section-tint { background: var(--paper-2); border-block: 1px solid var(--rule); }
.section-dark { background: var(--olive-deep); color: var(--cream); }
.section-dark h2 { color: var(--cream); }
.section-dark h2 em { color: #E9C58F; }
.section-dark .eyebrow { color: var(--olive-soft); }
.section-dark .lede { color: #D9DDC4; }
.section-head { margin-bottom: 48px; max-width: 820px; }

/* ---------- Globe ---------- */
.globe-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: start; }   /* start, not center: the list grows when a snippet opens and the globe must not shift */
.globe-wrap { position: relative; aspect-ratio: 1; width: 100%; max-width: 560px; margin-inline: auto; }
.globe { width: 100%; height: 100%; cursor: grab; touch-action: pan-y; }
.globe:active { cursor: grabbing; }
.globe svg { width: 100%; height: 100%; display: block; overflow: visible; }
.globe .sphere { fill: var(--paper-3); stroke: var(--rule); }
.globe .graticule { fill: none; stroke: var(--rule); stroke-width: 0.5; opacity: 0.7; }
.globe .land { fill: var(--olive-soft); stroke: var(--paper-2); stroke-width: 0.5; }
.globe .pin { cursor: pointer; }
.globe .pin circle.dot { fill: var(--brown); stroke: var(--cream); stroke-width: 2; }
.globe .pin circle.halo { fill: var(--brown); opacity: 0.25; animation: pulse 2.4s ease-out infinite; transform-box: fill-box; transform-origin: center; }
.globe .pin:hover circle.dot, .globe .pin.active circle.dot { fill: var(--olive-deep); }
.globe .pin:focus-visible circle.dot { stroke: var(--ink); }
@keyframes pulse { from { transform: scale(0.6); opacity: 0.5; } to { transform: scale(2.2); opacity: 0; } }
.globe-tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--cream); font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; padding: 6px 10px; border-radius: 4px; transform: translate(-50%, -140%); white-space: nowrap; }

.project-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.project-list li { border-bottom: 1px solid var(--rule); display: flex; flex-wrap: wrap; align-items: center; }
.project-list .p-open { padding: 0 8px; }
.project-list li > button {
    flex: 1; min-width: 0; display: flex; justify-content: space-between; align-items: baseline; gap: 16px; text-align: left;
    background: none; border: 0; padding: 16px 4px; cursor: pointer; font: inherit; color: var(--ink);
    transition: background 0.2s ease, padding 0.2s ease;
}
.project-list li { transition: background 0.2s ease; }
.project-list li:hover, .project-list li:has(button.active) { background: var(--paper-3); }
.project-list li > button:hover, .project-list li > button.active { padding-inline: 14px; }
.project-list .p-title { font-weight: 700; display: block; }
.project-list .p-place { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
/* Map snippet that expands under the selected project (height animates via grid rows 0fr -> 1fr). */
.project-list .p-preview {
    flex-basis: 100%; display: grid; grid-template-rows: 0fr; visibility: hidden;
    transition: grid-template-rows 0.35s ease, visibility 0.35s;
}
.project-list .p-preview.open { grid-template-rows: 1fr; visibility: visible; }
.project-list .p-preview > div { overflow: hidden; min-height: 0; }
.project-list .p-thumb { display: block; margin: 4px 14px 16px; text-decoration: none; color: inherit; }
.project-list .p-thumb img {
    width: 100%; height: 150px; object-fit: cover; object-position: top;
    border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-3);
    transition: opacity 0.2s ease;
}
.project-list .p-thumb:hover img { opacity: 0.88; }
.project-list .p-thumb:focus-visible img { outline: 2px solid var(--olive); outline-offset: 2px; }
.project-list .p-count { display: block; margin-top: 8px; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }
.project-list .p-open { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brown); text-decoration: none; white-space: nowrap; }

/* ---------- Mars globe (js/mars.js) ---------- */
.globe { transition: opacity 0.35s ease; }
.globe-wrap.mars-active .globe { opacity: 0.45; }
.mars-globe {
    position: absolute; right: -3%; bottom: -3%; z-index: 2; width: 24%; aspect-ratio: 1; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #d98a5f, #a8482c 70%);          /* shown until the texture loads */
    box-shadow: 0 0 0 2px var(--paper-2), 0 0 0 3px var(--rule), 0 10px 26px rgba(46, 58, 27, 0.3);
    cursor: grab; touch-action: pan-y; transition: width 0.45s ease;
}
.mars-globe:active { cursor: grabbing; }
.mars-globe.active { width: 38%; }
.mars-globe::after {                                                               /* sphere shading */
    content: ''; position: absolute; inset: 0; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0) 42%),
                radial-gradient(circle at 50% 50%, rgba(0, 0, 0, 0) 58%, rgba(30, 15, 5, 0.38) 100%);
}
.mars-canvas { display: block; width: 100%; height: 100%; border-radius: 50%; opacity: 0; transition: opacity 0.5s ease; }
.mars-globe.ready .mars-canvas { opacity: 1; }
.mars-label { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); margin-top: 10px; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); pointer-events: none; }
.mars-pin {
    position: absolute; z-index: 3; width: 14px; height: 14px; padding: 0; border-radius: 50%;
    background: var(--cream); border: 3px solid var(--ink); cursor: pointer; transform: translate(-50%, -50%);
    box-shadow: 0 0 0 2px rgba(247, 244, 234, 0.85);
}
.mars-pin::before { content: ''; position: absolute; inset: -9px; }                /* larger hit area */
.mars-pin::after {
    content: ''; position: absolute; inset: -3px; border-radius: 50%; background: var(--cream); opacity: 0.4;
    animation: pulse 2.4s ease-out infinite;
}
.mars-pin:hover, .mars-globe.active .mars-pin { background: var(--brown); }
.mars-pin:focus-visible { outline: 2px solid var(--cream); outline-offset: 3px; }

/* Card for an app project (thumbnail + text + launch button) inside the expanding project row */
.project-list .p-app { display: flex; gap: 16px; align-items: flex-start; margin: 4px 14px 16px; }
.project-list .p-app img { flex: none; width: 108px; height: 150px; object-fit: cover; object-position: top; border: 1px solid var(--rule); border-radius: 4px; background: var(--paper-3); }
.project-list .p-app-text p { margin: 0 0 12px; font-size: 0.93rem; color: var(--ink-2); }
.project-list .p-app-text .p-count { margin-top: 12px; }

/* ---------- App modal (embedded apps) ---------- */
.app-modal {
    padding: 0; border: 0; border-radius: 8px; width: min(1280px, 96vw); height: min(88vh, 860px); max-width: none; max-height: none;
    background: var(--paper); color: var(--ink-2); overflow: hidden;
}
.app-modal[open] { display: block; }
.app-modal::backdrop { background: rgba(46, 58, 27, 0.62); backdrop-filter: blur(3px); }
.app-modal-inner { display: flex; flex-direction: column; width: 100%; height: 100%; }
.app-modal-bar { display: flex; align-items: center; gap: 16px; padding: 10px 14px 10px 20px; border-bottom: 1px solid var(--rule); background: var(--paper-2); }
.app-modal-bar h3 { flex: 1; min-width: 0; margin: 0; font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-modal .p-open { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--brown); text-decoration: none; white-space: nowrap; }
.app-modal .p-open:hover { color: var(--olive-deep); }
.app-modal-close { flex: none; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--olive); background: transparent; color: var(--olive-deep); font-size: 1.4rem; line-height: 1; cursor: pointer; transition: background 0.2s ease, color 0.2s ease; }
.app-modal-close:hover { background: var(--olive); color: var(--cream); }
.app-modal-body { position: relative; flex: 1; min-height: 0; background: var(--paper-3); }
.app-modal-loading { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
.app-modal-body iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; background: transparent; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.card {
    display: flex; flex-direction: column; text-decoration: none; color: inherit;
    background: var(--paper-2); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 12px 28px rgba(85, 107, 47, 0.18); border-color: var(--olive-soft); color: inherit; }
.card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; background: var(--paper-3); }
.card img.logo { object-fit: scale-down; object-position: center; background: #000; }      /* small logo: show at natural size on black, never upscaled */
.group-title { font-family: var(--mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 18px; padding-bottom: 10px; border-bottom: 1px solid var(--rule); }
.center + .group-title { margin-top: 72px; }
.card-body { padding: 20px 22px 24px; }
.card-body .eyebrow { margin-bottom: 8px; color: var(--brown); }
.card-body h3 { margin-bottom: 8px; }
.card-body p:last-child { margin: 0; font-size: 0.93rem; color: var(--ink-3); }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
.portrait { margin: 0; }
.portrait img { border-radius: 6px; border: 1px solid var(--rule); box-shadow: 14px 14px 0 var(--olive-soft); width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about-text h2 { margin-bottom: 24px; }
.tags { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.06em; padding: 6px 12px; border: 1px solid var(--rule); border-radius: 999px; background: var(--paper); color: var(--ink-2); }

/* ---------- Timeline ---------- */
.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.timeline li { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.timeline .when { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--olive); margin: 4px 0 0; }
.timeline .where-at { font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--brown); margin: 2px 0 10px; }
.timeline p:last-child { margin: 0; color: var(--ink-3); max-width: 62ch; }

/* ---------- Affiliations ---------- */
.affil-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.affil-grid a {
    display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 20px 22px; text-decoration: none; color: inherit;
    background: var(--paper-2); border: 1px solid var(--rule); border-radius: 6px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.affil-grid a:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(85, 107, 47, 0.15); border-color: var(--olive-soft); color: inherit; }
.affil-grid .a-status { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--brown); }
.affil-grid .a-name { font-weight: 700; color: var(--ink); line-height: 1.3; }
.affil-grid .a-abbr { margin-top: auto; font-family: var(--serif); font-style: italic; font-size: 1.05rem; color: var(--olive); }

/* ---------- Contact / footer ---------- */
.contact { text-align: center; }
.contact .lede { margin-inline: auto; margin-bottom: 32px; }
.contact h2 { max-width: 20ch; margin-inline: auto; }
.social { list-style: none; padding: 0; margin: 28px 0 0; display: flex; justify-content: center; gap: 28px; }
.social a { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: #D9DDC4; }
.social a:hover { color: #fff; }
.site-footer { background: var(--ink); color: var(--olive-soft); padding: 22px 0; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
.site-footer p { margin: 0; text-align: center; }

/* ---------- Back to top ---------- */
.to-top {
    position: fixed; right: 20px; bottom: 20px; z-index: 40;
    display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%;
    background: var(--olive); color: var(--cream); border: 2px solid var(--cream);
    box-shadow: 0 4px 14px rgba(46, 58, 27, 0.3);
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s, background 0.25s ease;
}
.to-top.visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--olive-deep); color: var(--cream); }
.to-top svg { width: 22px; height: 22px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
    .globe-layout, .about-grid { grid-template-columns: 1fr; }
    .portrait { max-width: 300px; }
    .timeline li { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 640px) {
    .hero-social { margin-left: 0; padding-left: 0; border-left: 0; flex-basis: 100%; }
    .app-modal { width: 100vw; height: 100dvh; max-width: 100vw; border-radius: 0; }
    .project-list .p-app img { width: 88px; height: 124px; }
}
@media (max-width: 960px) {
    .nav-toggle { display: inline-block; }
    .nav-links {
        display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: flex-start; gap: 0;
        background: var(--paper); border-bottom: 1px solid var(--rule); padding: 8px 20px 20px;
    }
    .nav-links.open { display: flex; }
    .nav-links a:not(.btn) { padding: 12px 0; width: 100%; }
    .nav-links .btn { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .globe .pin circle.halo { animation: none; }
    * { transition: none !important; }
}