/* Corner marks — no header bar. Two fixed anchors instead of a strip: the
   mark (home link) top-left, the waypoints trigger top-right. Each is a
   small translucent chip so it stays legible over whatever scrolls beneath
   it — the hero photo, prose, or the dark theme. See docs/design.md. */

/* Positioning only — no background/filter here. A <details> is one of the
   two corner marks, and giving *it* a backdrop-filter would make it the
   containing block for its own fixed-position overlay panel, trapping the
   full-screen panel inside a 44px box. The chip look lives on the leaf
   elements (.brand, .waypoints summary) instead. */
.corner-mark {
  position: fixed;
  top: var(--space-5);
  z-index: 60;
}

.corner-mark--left {
  left: var(--space-5);
}

.corner-mark--right {
  right: var(--space-5);
}

.brand,
.waypoints summary {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.brand:hover {
  border-color: var(--color-accent);
}

.brand__logo {
  width: 1.4rem;
  height: 1.4rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Waypoints: a full-screen "legend" of the site's pages instead of a menu
   bar. Built on <details>/<summary> so it works with no JS — theme.js only
   adds closing on link-click, Escape and a background scroll lock. */

.waypoints summary {
  position: relative;
  list-style: none;
}

.waypoints summary::-webkit-details-marker {
  display: none;
}

.waypoints[open] summary {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.waypoints__icon {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.3rem;
  height: 1.3rem;
  transition: opacity var(--transition);
}

.waypoints__icon--close {
  opacity: 0;
}

.waypoints[open] .waypoints__icon--open {
  opacity: 0;
}

.waypoints[open] .waypoints__icon--close {
  opacity: 1;
}

.waypoints__panel {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--color-bg);
  overflow-y: auto;
}

.waypoints[open] .waypoints__panel {
  display: flex;
  flex-direction: column;
}

.waypoints__topo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--color-border-strong);
  opacity: 0.5;
  pointer-events: none;
}

.waypoints__list {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-1);
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding: var(--space-12) var(--space-6);
}

.waypoints__link {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}

.waypoints__link:hover,
.waypoints__link[aria-current="page"] {
  color: var(--color-accent);
  text-decoration: none;
}

.waypoints__name {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: var(--text-3xl);
}

.waypoints__hint {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.waypoints__footer {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 47.99rem) {
  .waypoints__name {
    font-size: var(--text-2xl);
  }
}

/* Buttons — sharp corners with a pair of corner-bracket marks (viewfinder /
   surveyor's-benchmark register) instead of the generic rounded rectangle.
   The brackets sit just outside the box and step further out on hover, like
   a focus point locking on. See docs/design.md. */

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.65em 1.25em;
  font-weight: 600;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}

.btn:hover {
  text-decoration: none;
}

.btn::before,
.btn::after {
  content: "";
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border-color: currentColor;
  transition: inset var(--transition);
}

.btn::before {
  top: -5px;
  left: -5px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.btn::after {
  bottom: -5px;
  right: -5px;
  border-bottom: 2px solid;
  border-right: 2px solid;
}

.btn:hover::before,
.btn:focus-visible::before {
  top: -8px;
  left: -8px;
}

.btn:hover::after,
.btn:focus-visible::after {
  bottom: -8px;
  right: -8px;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.btn-primary::before,
.btn-primary::after {
  border-color: var(--color-accent);
}

.btn-primary:hover {
  background: var(--color-accent-strong);
}

.btn-primary:hover::before,
.btn-primary:hover::after {
  border-color: var(--color-accent-strong);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* Hero */

.hero {
  padding-block: var(--space-12) var(--space-10);
}

.hero__tagline {
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  max-width: var(--max-width-prose);
  margin-top: var(--space-4);
}

/* Value list */

.value-list {
  display: grid;
  gap: var(--space-4);
  /* Never more than 3 columns, so a 4th/7th/etc. item never ends up alone on its own row. */
  grid-template-columns: repeat(auto-fit, minmax(max(14rem, calc((100% - 2 * var(--space-4)) / 3)), 1fr));
  margin-top: var(--space-8);
}

.value-list li {
  padding-left: var(--space-6);
  position: relative;
}

.value-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.6em;
  height: 0.6em;
  border-radius: 50%;
  background: var(--color-accent);
}

/* Timeline (CV) */

.timeline {
  margin-top: var(--space-8);
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-6);
}

.timeline-entry {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline-entry:last-child {
  padding-bottom: 0;
}

.timeline-entry::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-6) - 6px);
  top: 0.4em;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline-entry__dates {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
}

.timeline-entry h3 {
  margin-top: var(--space-1);
}

.timeline-entry__org {
  color: var(--color-text-muted);
  font-weight: 500;
}

.timeline-entry__stack {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-top: var(--space-2);
}

.timeline-entry ul {
  margin-top: var(--space-2);
  list-style: disc;
  padding-inline-start: 1.2em;
}

.timeline-entry li {
  margin-top: 0.3em;
}

.timeline-earlier {
  margin-top: var(--space-6);
}

.timeline-earlier summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  padding: var(--space-2) 0;
}

.timeline-earlier[open] summary {
  margin-bottom: var(--space-2);
}

/* Profile / about */

.profile-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.skills-tags span {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.3em 0.9em;
  color: var(--color-text-muted);
}

/* Contact block */

.contact-block {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-8);
  margin-top: var(--space-6);
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
}

.contact-item__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.contact-item__value {
  font-weight: 600;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-12);
  padding-block: var(--space-8);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.site-footer__meta {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer__meta a {
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  margin-top: 0.3em;
}

.site-footer__controls {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

/* Theme toggle */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
}

.theme-toggle button {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  padding: 0.35em 0.9em;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition);
}

.theme-toggle button:hover {
  color: var(--color-text);
}

.theme-toggle button[aria-pressed="true"] {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

/* Social links + language switch (waypoints nav overlay and site footer) */

.social-links {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-text-muted);
}

.social-links a:hover {
  color: var(--color-text);
  text-decoration: none;
}

.social-links svg {
  width: 1.5rem;
  height: 1.5rem;
}

.lang-switch {
  display: inline-flex;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
}

.lang-switch a {
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.lang-switch a[aria-current="true"] {
  color: var(--color-accent);
  font-weight: 700;
}

/* Structured fact grids (CV competencies, personal info, legal-style dl) */

.legal-grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-8);
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.legal-grid dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.legal-grid dd {
  margin-top: 0.25em;
}