/*
 * Site styles on top of Bootstrap 5.3 (loaded first). Ported from docs/design/home-mockup.html.
 * Fonts: the named families only apply once they are self-hosted in static/fonts (no Google Fonts CDN);
 * until then the system fallbacks are used.
 */
:root {
  /* Palette "Whimsical Harmony" with fixed roles (contrast checked against WCAG 2.1 AA) */
  --ink: #32373B;          /* text, footer: 12.0:1 on white */
  --slate: #4A5859;        /* secondary text: 7.4:1 on white */
  --blush: #F4D6CC;        /* hero / section tint, dark text only */
  --sun: #F4B860;          /* highlights with dark text only, never text */
  --red: #C83E4D;          /* buttons with white text: 4.9:1 */
  --red-deep: #A8303E;     /* links + hover: 6.7:1 on white, 4.9:1 on blush */

  --bg: #FFFFFF;
  --fg: var(--ink);
  --muted: var(--slate);
  --tint: var(--blush);
  --tint-soft: #FBEEE9;
  --line: #E6D9D4;
  --link: var(--red-deep);
  --btn: var(--red);
  --btn-hover: var(--red-deep);
  --btn-fg: #FFFFFF;
  --focus: var(--ink);
  --footer-bg: var(--ink);
  --footer-fg: #FFFFFF;
  --footer-link: var(--blush);
  --chip-bg: var(--sun);
  --chip-fg: var(--ink);
  --card-bg: #FFFFFF;
  --code-bg: var(--ink);
  --code-fg: #F4D6CC;
  --code-ok: #F4B860;

  --font-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --font-body: "Atkinson Hyperlegible Next", "Atkinson Hyperlegible", "Segoe UI", system-ui, sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", "Cascadia Mono", Consolas, monospace;

  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(2rem, 1.4rem + 2.6vw, 3.2rem);
  --radius: 6px;
  --wrap: 70rem;

  /* Project illustrations (templates/fragments/project-art.html) */
  --art-bg: var(--tint);
  --art-surface: #FFFFFF;
  --art-ink: #32373B;
  --art-muted: #AEB7B8;
  --art-line: #E6D9D4;
  --art-soft: rgba(244, 214, 204, 0.55);
  --art-term: #32373B;

  /* Bootstrap hooks */
  --bs-body-font-family: var(--font-body);
  --bs-body-color: var(--fg);
  --bs-body-bg: var(--bg);
  --bs-link-color-rgb: 168, 48, 62;
  --bs-link-hover-color-rgb: 168, 48, 62;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #2A2E31; --fg: #F1E9E6; --muted: #C9D0D0; --tint: #3A4144; --tint-soft: #32373B;
    --line: #4A5859; --link: #F4B860; --btn: #C83E4D; --btn-hover: #A8303E; --btn-fg: #FFFFFF;
    --focus: #F4B860; --footer-bg: #202427; --footer-fg: #F1E9E6; --footer-link: #F4D6CC;
    --chip-bg: #F4B860; --chip-fg: #32373B; --card-bg: #32373B; --code-bg: #202427;
    --code-fg: #F4D6CC; --code-ok: #F4B860; color-scheme: dark;
    --art-surface: #2A2E31; --art-ink: #D8D2CF; --art-muted: #6E7B7C; --art-line: #4A5859; --art-term: #1E2124;
    --bs-link-color-rgb: 244, 184, 96;
    --bs-link-hover-color-rgb: 244, 184, 96;
  }
}
:root[data-theme="dark"] {
  --bg: #2A2E31; --fg: #F1E9E6; --muted: #C9D0D0; --tint: #3A4144; --tint-soft: #32373B;
  --line: #4A5859; --link: #F4B860; --btn: #C83E4D; --btn-hover: #A8303E; --btn-fg: #FFFFFF;
  --focus: #F4B860; --footer-bg: #202427; --footer-fg: #F1E9E6; --footer-link: #F4D6CC;
  --chip-bg: #F4B860; --chip-fg: #32373B; --card-bg: #32373B; --code-bg: #202427;
  --code-fg: #F4D6CC; --code-ok: #F4B860; color-scheme: dark;
  --art-surface: #2A2E31; --art-ink: #D8D2CF; --art-muted: #6E7B7C; --art-line: #4A5859; --art-term: #1E2124;
  --bs-link-color-rgb: 244, 184, 96;
  --bs-link-hover-color-rgb: 244, 184, 96;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main { flex: 1 0 auto; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; text-wrap: balance; margin: 0; }
p { margin: 0; }
a { color: var(--link); text-underline-offset: 0.18em; }
a:hover { color: var(--link); text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.section { padding-block: clamp(3rem, 6vw, 5rem); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Skip link */
.skip {
  position: absolute; left: 50%; top: calc(env(safe-area-inset-top, 0px) + 0.5rem);
  transform: translate(-50%, -200%);
  background: var(--fg); color: var(--bg);
  padding: 0.6rem 1rem; border-radius: var(--radius); z-index: 10;
  text-decoration: none; font-weight: 600;
}
.skip:focus { transform: translate(-50%, 0); color: var(--bg); }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.header-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 2rem; padding-block: 1rem;
}
.logo {
  font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  color: var(--fg); text-decoration: none; letter-spacing: -0.01em;
}
.logo:hover { color: var(--fg); }
.logo .dot { color: var(--btn); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.25rem 1.5rem; }
.nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; margin: 0; padding: 0; }
.nav a { color: var(--fg); text-decoration: none; font-weight: 600; padding-block: 0.25rem; }
.nav-links a:hover, .nav-links a[aria-current] {
  text-decoration: underline; text-decoration-color: var(--btn); text-decoration-thickness: 3px;
}

/* Language switcher: links to the same page in the other language */
.nav .lang { gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.nav .lang a {
  display: block; font: 600 0.85rem var(--font-mono); padding: 0.3rem 0.65rem;
  color: var(--fg); text-decoration: none;
}
.nav .lang a:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.nav .lang a[aria-current="true"] { background: var(--fg); color: var(--bg); }

/* Hero */
.hero { background: var(--tint); }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 2.5rem; align-items: center; padding-block: clamp(3rem, 7vw, 5.5rem);
}
.hero h1 { font-size: var(--step-3); font-weight: 700; }
.hero h1 strong { font-weight: 800; color: var(--link); display: block; }
.hero-copy { display: grid; gap: 1.25rem; max-width: 34rem; }
.hero-copy p { font-size: var(--step-1); line-height: 1.5; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Buttons: Bootstrap .btn with the palette */
.btn {
  --bs-btn-font-family: var(--font-body);
  --bs-btn-font-weight: 700;
  --bs-btn-font-size: 1rem;
  --bs-btn-padding-x: 1.4rem;
  --bs-btn-padding-y: 0.8rem;
  --bs-btn-border-width: 2px;
  --bs-btn-border-radius: var(--radius);
  --bs-btn-focus-box-shadow: none;
}
.btn-brand {
  --bs-btn-color: var(--btn-fg);
  --bs-btn-bg: var(--btn);
  --bs-btn-border-color: var(--btn);
  --bs-btn-hover-color: var(--btn-fg);
  --bs-btn-hover-bg: var(--btn-hover);
  --bs-btn-hover-border-color: var(--btn-hover);
  --bs-btn-active-color: var(--btn-fg);
  --bs-btn-active-bg: var(--btn-hover);
  --bs-btn-active-border-color: var(--btn-hover);
}
.btn-outline-ink {
  --bs-btn-color: var(--fg);
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--fg);
  --bs-btn-hover-color: var(--bg);
  --bs-btn-hover-bg: var(--fg);
  --bs-btn-hover-border-color: var(--fg);
  --bs-btn-active-color: var(--bg);
  --bs-btn-active-bg: var(--fg);
  --bs-btn-active-border-color: var(--fg);
}

/* Request card in the hero (decorative) */
.req {
  background: var(--code-bg); color: var(--code-fg);
  font-family: var(--font-mono); font-size: 0.95rem; line-height: 1.7;
  border-radius: 10px; padding: 1.25rem 1.4rem; min-width: 0;
  box-shadow: 0 18px 40px -24px rgba(50, 55, 59, 0.6);
}
.req-bar { display: flex; gap: 0.4rem; margin-bottom: 0.9rem; }
.req-bar i { width: 0.65rem; height: 0.65rem; border-radius: 50%; background: var(--slate); display: block; }
.req-bar i:first-child { background: var(--red); }
.req-bar i:nth-child(2) { background: var(--sun); }
.req pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; color: inherit; }
.req .m { color: var(--code-ok); font-weight: 600; }
.req .ok { color: var(--code-ok); }
.req .c { opacity: 0.7; }

/* Section heading block */
.section-head { display: grid; gap: 0.5rem; margin-bottom: 2rem; max-width: 40rem; }
.section-head h1, .section-head h2 { font-size: var(--step-3); font-weight: 800; }
.section-head p { color: var(--muted); }
.section-more { margin-top: 2rem; font-weight: 700; }

/* Project cards */
.cards {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  list-style: none; margin: 0; padding: 0;
}
.card {
  display: grid; grid-template-rows: auto 1fr auto;
  background: var(--card-bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
}
.shot {
  aspect-ratio: 16 / 9; max-width: 100%; background: var(--tint);
  display: grid; place-items: center; position: relative; overflow: hidden;
}
.shot img, .shot .art { width: 100%; height: 100%; object-fit: cover; display: block; }

/* Project illustrations: colours from the --art-* tokens */
.art-bg { fill: var(--art-bg); }
.art-surface { fill: var(--art-surface); }
.art-ink { fill: var(--art-ink); }
.art-muted { fill: var(--art-muted); }
.art-line { fill: var(--art-line); }
.art-soft { fill: var(--art-soft); }
.art-term { fill: var(--art-term); }
.art-tint { fill: var(--tint); }
.art-blush { fill: var(--blush); }
.art-red { fill: var(--red); }
.art-sun { fill: var(--sun); }
.art-none { fill: none; }
.art-edge { stroke: var(--art-line); stroke-width: 1.5; }
.art-edge-strong { stroke: var(--art-muted); stroke-width: 2; }
.art-box { fill: var(--art-surface); stroke: var(--art-ink); stroke-width: 1.5; }
.art-outline, .art-check, .art-wire, .art-arrow { stroke-linecap: round; stroke-linejoin: round; }
.art-outline { stroke: var(--art-ink); stroke-width: 2; }
.art-check { fill: none; stroke: var(--art-ink); stroke-width: 2; }
.art-wire { fill: none; stroke: var(--art-muted); stroke-width: 2.5; }
.art-wire-active { stroke: var(--red); }
.art-arrow { fill: none; stroke: var(--red); stroke-width: 3; }
.card-body { display: grid; gap: 0.75rem; padding: 1.25rem 1.25rem 0.5rem; align-content: start; }
.card-body h2, .card-body h3 { font-size: var(--step-1); font-weight: 700; }
.card-body p { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 0; padding: 0; }
.chips li {
  font: 600 0.78rem var(--font-mono); background: var(--chip-bg); color: var(--chip-fg);
  padding: 0.12rem 0.5rem; border-radius: 4px;
}
.card-foot { padding: 1rem 1.25rem 1.25rem; }
.more { font-weight: 700; }

/* Project detail */
.project-hero {
  display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2.5rem; align-items: center; padding-block: clamp(2.5rem, 6vw, 4.5rem);
}
.project-head { display: grid; gap: 1rem; }
.project-visual {
  --art-bg: var(--tint-soft);
  aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden;
  box-shadow: 0 18px 40px -24px rgba(50, 55, 59, 0.6);
}
.project-visual img, .project-visual .art { width: 100%; height: 100%; object-fit: cover; display: block; }
.project-head > * { max-width: 48rem; }
.project-head h1 { font-size: var(--step-3); font-weight: 800; }
.project-head .lead-text { font-size: var(--step-1); line-height: 1.5; }
.back { font-weight: 700; justify-self: start; }
.project-body { display: grid; gap: 3rem; }
.prose { display: grid; gap: 1rem; max-width: 42rem; }
.gallery { display: grid; gap: 1.5rem; }
.gallery h2 { font-size: var(--step-1); font-weight: 700; }
.gallery figure { margin: 0; }
.gallery img { max-width: 100%; height: auto; border: 1px solid var(--line); border-radius: 10px; }

/* Skills */
.skills-band { background: var(--tint-soft); border-block: 1px solid var(--line); }
.skill-groups {
  display: grid; gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}
.skill-group { background: var(--card-bg); border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; }
.skill-group h3 { font-size: var(--step-1); font-weight: 700; margin-bottom: 0.75rem; }
.skill-group ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.5rem; }
.skill-group li { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.level {
  font: 600 0.75rem var(--font-mono); letter-spacing: 0.03em; white-space: nowrap;
  padding: 0.1rem 0.5rem; border-radius: 4px; border: 1px solid transparent;
}
.level-learning { color: var(--fg); border-color: var(--muted); }
.level-comfortable { background: var(--sun); color: var(--ink); }
.level-strong { background: var(--fg); color: var(--bg); }

/* About */
.about-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 2.5rem; align-items: start; }
.about-grid h3 { font-size: var(--step-1); font-weight: 700; margin-top: 0.5rem; }
.plain-list { margin: 0; padding-left: 1.25rem; display: grid; gap: 0.25rem; }

/* Certificates */
.certs { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--fg); }
.cert {
  display: grid; gap: 0.25rem 1.5rem; align-items: baseline;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.3fr) 7.5rem auto;
  padding-block: 1.1rem; border-bottom: 1px solid var(--line);
}
.cert-group + .cert-group { margin-top: 3rem; }
.cert-group > h2 { font-size: var(--step-2); font-weight: 800; margin-bottom: 0.75rem; }
.cert h3 { font-size: var(--step-1); font-weight: 700; }
.cert .issuer { color: var(--muted); }
.cert time { font-family: var(--font-mono); font-variant-numeric: tabular-nums; color: var(--muted); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); gap: 2.5rem; align-items: start; }
.contact-aside { display: grid; gap: 1rem; }
.contact-aside .section-head { margin-bottom: 0; }
.mail { font-family: var(--font-mono); font-size: 1.05rem; }
form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: 0.35rem; }
label { font-weight: 700; }
.hint { font-size: 0.9rem; color: var(--muted); }
.field input, .field textarea {
  font: inherit; color: var(--fg); background: var(--bg);
  border: 2px solid var(--slate); border-radius: var(--radius);
  padding: 0.7rem 0.85rem; width: 100%;
}
.field input::placeholder { color: var(--muted); opacity: 1; }
.field textarea { min-height: 9rem; resize: vertical; }
.field [aria-invalid="true"] { border-color: var(--red-deep); }
.field-error { font-size: 0.95rem; font-weight: 600; color: var(--link); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status {
  border-left: 4px solid var(--sun); background: var(--tint-soft);
  padding: 0.75rem 1rem; border-radius: 0 var(--radius) var(--radius) 0;
}
.form-errors { border-left-color: var(--red); }
.form-errors ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }

/* Legal pages */
.legal h1 { font-size: var(--step-3); font-weight: 800; margin-bottom: 0.5rem; }
.legal h2 { font-size: var(--step-1); font-weight: 700; margin-top: 1rem; }
/* Content still to fill in. Not ".placeholder": Bootstrap uses that name for loading skeletons */
.todo-mark { background: var(--sun); color: var(--ink); padding: 0 0.25rem; border-radius: 3px; }

/* Error pages */
.error-page { display: grid; gap: 1rem; max-width: 40rem; }
.error-page h1 { font-size: var(--step-3); font-weight: 800; }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-fg); }
.footer-row {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem;
  padding-block: 2.5rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; }
.site-footer a, .site-footer a:hover { color: var(--footer-link); font-weight: 600; }
.site-footer small { opacity: 0.85; font-size: 0.9rem; }

@media (max-width: 52rem) {
  .hero-grid, .contact-grid, .project-hero, .about-grid { grid-template-columns: minmax(0, 1fr); }
  .cert { grid-template-columns: minmax(0, 1fr) auto; }
  .cert .issuer { grid-column: 1; }
  .cert time { grid-column: 2; grid-row: 1; }
  .cert .cert-link { grid-column: 1 / -1; }
}
@media (prefers-reduced-motion: no-preference) {
  .btn, .nav a { transition: background-color 0.15s, color 0.15s, border-color 0.15s; }
}