/* ===================================================================
   Vrules — Portaal
   Design language: vanilla, system fonts, neutrals + meaningful oranje.
   Adapted from the dewkpool design system for brand consistency.
   =================================================================== */

/* ── Tokens ───────────────────────────────────────── */
:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-surface-2: #f4f4f5;
  --color-border: #e5e5e7;

  --color-text: #1d1d1f;
  --color-text-secondary: #6e6e73;
  --color-text-tertiary: #a1a1a6;

  --color-accent: #f97316;
  --color-accent-hover: #ea580c;
  --color-accent-soft: #fff7ed;

  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Text",
                 "Inter", "Helvetica Neue", Arial, sans-serif;

  --text-display: 3rem;
  --text-title: 1.875rem;
  --text-heading: 1.25rem;
  --text-body: 1rem;
  --text-caption: 0.875rem;
  --text-micro: 0.75rem;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 1px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);

  --transition-fast: 0.15s ease;
  --transition: 0.2s ease;

  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #000000;
    --color-surface: #1c1c1e;
    --color-surface-2: #2c2c2e;
    --color-border: #38383a;

    --color-text: #f5f5f7;
    --color-text-secondary: #8e8e93;
    --color-text-tertiary: #6e6e73;

    --color-accent-soft: #2a1809;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.5), 0 1px 1px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  }
}

[data-theme="dark"] {
  --color-bg: #000000;
  --color-surface: #1c1c1e;
  --color-surface-2: #2c2c2e;
  --color-border: #38383a;

  --color-text: #f5f5f7;
  --color-text-secondary: #8e8e93;
  --color-text-tertiary: #6e6e73;

  --color-accent-soft: #2a1809;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.5), 0 1px 1px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}

/* ── Reset ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-system);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4 { line-height: 1.2; font-weight: 600; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }

::selection { background: var(--color-accent); color: white; }

/* ── Utilities ────────────────────────────────────── */
.text-accent { color: var(--color-accent); }
.micro {
  font-size: var(--text-micro);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Nav ──────────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  z-index: 50;
}
.nav__brand {
  font-weight: 600;
  font-size: var(--text-body);
  letter-spacing: -0.01em;
  color: var(--color-text);
}
.nav__brand:hover { color: var(--color-accent); }
.nav__links {
  display: flex;
  gap: var(--space-6);
}
.nav__link {
  color: var(--color-text-secondary);
  font-size: var(--text-caption);
  transition: color var(--transition-fast);
}
.nav__link:hover { color: var(--color-text); }

@media (max-width: 540px) {
  .nav__links { gap: var(--space-4); }
}

/* ── Hero ─────────────────────────────────────────── */
.hero {
  padding-top: var(--space-24);
  padding-bottom: var(--space-16);
}
.hero .micro { margin-bottom: var(--space-4); }
.hero__title {
  font-size: clamp(2.25rem, 7vw, var(--text-display));
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}
.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  font-weight: 400;
}
.hero__lede {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.55;
  max-width: 36rem;
}
.hero--portal {
  padding-top: var(--space-16);
  padding-bottom: var(--space-12);
}
.hero--portal .hero__title { font-size: clamp(2rem, 5.5vw, 2.625rem); }
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--color-text);
  padding: 10px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.hero__cta:hover {
  background: var(--color-surface-2);
  border-color: var(--color-text-tertiary);
}
.hero__cta span { transition: transform var(--transition); color: var(--color-accent); }
.hero__cta:hover span { transform: translateX(3px); }

/* ── Section ──────────────────────────────────────── */
.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
  border-top: 1px solid var(--color-border);
}
.section--no-top-border { border-top: none; padding-top: var(--space-8); }

.page-header { margin-bottom: var(--space-8); }
.page-header__title {
  font-size: var(--text-title);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}
.page-header__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--text-body);
}

/* ── Prose ────────────────────────────────────────── */
.prose p {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  max-width: 36rem;
}
.prose p:last-child { margin-bottom: 0; }

/* ── About (portrait + prose) ─────────────────────── */
.about {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-8);
  align-items: start;
}
.about__portrait {
  margin: 0;
}
.about__portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: block;
}
.about__prose p:first-child { margin-top: 0; }

@media (max-width: 640px) {
  .about {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .about__portrait img {
    max-width: 200px;
  }
}

/* ── Project list ─────────────────────────────────── */
.group-label {
  font-size: var(--text-micro);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-secondary);
  font-weight: 500;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.group-label:first-of-type { margin-top: 0; }

.projects {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.project + .project { border-top: 1px solid var(--color-border); }

.project__link {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4);
  transition: background var(--transition-fast);
}
.project__link:hover {
  background: var(--color-surface-2);
}

.project__index {
  font-size: var(--text-caption);
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.project__body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.project__name {
  font-weight: 500;
  font-size: var(--text-body);
  color: var(--color-text);
  letter-spacing: -0.005em;
}
.project__desc {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  line-height: 1.45;
}
.project__url {
  font-size: var(--text-micro);
  color: var(--color-text-tertiary);
  margin-top: 2px;
  letter-spacing: 0;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}
.project__status {
  display: inline-block;
  margin-top: var(--space-2);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: var(--text-micro);
  background: var(--color-surface-2);
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  width: fit-content;
}

.project__arrow {
  color: var(--color-text-tertiary);
  font-size: 1.125rem;
  transition: color var(--transition-fast), transform var(--transition);
}
.project__link:hover .project__arrow {
  color: var(--color-text);
  transform: translateX(2px);
}

.project--locked .project__link {
  cursor: default;
}
.project--locked .project__link:hover {
  background: transparent;
}
.project--locked .project__name { color: var(--color-text-secondary); }
.project--locked .project__link:hover .project__arrow {
  color: var(--color-text-tertiary);
  transform: none;
}

.project--soon .project__link { cursor: default; }
.project--soon .project__link:hover { background: transparent; }
.project--soon .project__name { color: var(--color-text-secondary); }
.project--soon .project__link:hover .project__arrow {
  color: var(--color-text-tertiary);
  transform: none;
}
.project--soon .project__status {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* ── Nu ───────────────────────────────────────────── */
.now-tag {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: var(--text-micro);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 500;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  vertical-align: 2px;
}
[data-theme="dark"] .now-tag,
:root:not([data-theme="light"]) .now-tag {
  background: var(--color-accent-soft);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .now-tag { color: var(--color-accent); }
}

/* ── Contact ──────────────────────────────────────── */
.contact {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  max-width: 32rem;
}
.contact__row {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  align-items: center;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-3);
}
.contact__row:last-child { border-bottom: none; }
.contact__label {
  font-size: var(--text-micro);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
}
.contact__value {
  font-size: var(--text-body);
  color: var(--color-text);
  transition: color var(--transition-fast);
  word-break: break-word;
}
a.contact__value:hover { color: var(--color-accent); }

@media (max-width: 480px) {
  .contact__row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

/* ── Footer ───────────────────────────────────────── */
.footer {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-16);
}
.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer__copy {
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
}
.footer__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.footer__link:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text-tertiary);
}

/* ── Motto's ──────────────────────────────────────── */
.motto-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  max-width: 36rem;
}
.motto {
  font-size: 1.25rem;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--color-text);
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
}

/* ── Back link ────────────────────────────────────── */
.back-link {
  display: inline-block;
  margin-top: var(--space-8);
  margin-bottom: var(--space-16);
  font-size: var(--text-caption);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.back-link:hover { color: var(--color-accent); }

/* ── Theme toggle ─────────────────────────────────── */
.theme-toggle {
  display: inline-flex;
  background: var(--color-surface-2);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 2px;
}
.theme-toggle button {
  background: transparent;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: var(--text-caption);
  font-family: inherit;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast),
              color var(--transition-fast),
              box-shadow var(--transition-fast);
}
.theme-toggle button:hover { color: var(--color-text); }
.theme-toggle button[aria-pressed="true"] {
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}
.theme-toggle button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

/* ── Reduced motion ───────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}