/* The page frame is shared by the masthead, profile, project log, and footer. */
html { scroll-padding-top: 4.5rem; }
.shell {
  width: min(var(--column), calc(100% - 2rem));
  margin-inline: auto;
  border-inline: 1px dashed var(--color-frame);
}
.mast {
  position: sticky;
  top: 0;
  z-index: 3;
  border-bottom: 1px dashed var(--color-frame);
  background: var(--color-paper);
}
.mast-inner {
  min-height: 54px;
  padding-inline: var(--gutter);
  gap: 1rem;
}
.wordmark { font-weight: 620; font-size: 1.16rem; }
.brand-mark { width: 24px; height: 24px; margin-right: .47rem; color: var(--color-brand-on); }
.nav-links { gap: clamp(.8rem, 2.45vw, 1.55rem); font-size: .74rem; color: var(--color-body); }
.theme-toggle {
  display: grid;
  place-items: center;
  min-width: 30px;
  min-height: 44px;
  padding: 0;
  background: transparent;
  color: var(--color-muted);
}
.theme-toggle .icon { width: 17px; height: 17px; }
.theme-toggle:hover { color: var(--color-accent-ink); }
.ruled { position: relative; }
.ruled::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 0;
  left: 50%;
  width: 100vw;
  transform: translateX(-50%);
  border-top: 1px dashed var(--color-frame);
  pointer-events: none;
}
.banner-frame { padding: 6px; }
.landscape-window { position: relative; overflow: hidden; border-radius: 3px; isolation: isolate; }
.landscape {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3.76;
  border-radius: 3px;
  background: var(--color-banner-base);
  object-fit: cover;
  object-position: center;
}
.landscape-motion {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  pointer-events: none;
}
.landscape-motion.has-frame { opacity: 1; }
.banner-control {
  position: absolute;
  right: .5rem;
  bottom: .5rem;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  color: var(--color-motion-ink);
  background: var(--color-motion-bg);
  border: 1px solid var(--color-motion-border);
  border-radius: 5px;
}
.banner-control:hover { border-color: var(--color-motion-ink); }
.banner-control .icon { width: 18px; height: 18px; }
.profile-band {
  display: flex;
  align-items: center;
  gap: clamp(.95rem, 2.7vw, 1.55rem);
  padding: 1.35rem var(--gutter);
  min-width: 0;
}
.portrait {
  display: block;
  width: clamp(76px, 11.2vw, 106px);
  height: auto;
  aspect-ratio: 1;
  border: 3px solid var(--color-rule);
  border-radius: 11px;
  object-fit: cover;
  background: var(--color-avatar-base);
}
.profile-info { min-width: 0; }
.profile-info h1 {
  margin: 0;
  font: 400 clamp(2.65rem, 5.1vw, 3.58rem)/.99 var(--font-editorial);
  letter-spacing: -.043em;
}
.profile-role { color: var(--color-body); font-size: 1.05rem; font-weight: 525; margin: .3rem 0; letter-spacing: -.018em; }
.profile-meta { display: flex; flex-wrap: wrap; gap: .35rem .82rem; font: 440 .69rem/1.4 var(--font-mono); color: var(--color-muted); }
.profile-meta span { display: inline-flex; align-items: center; gap: .31rem; }
.profile-meta .icon { width: .83rem; height: .83rem; }
.profile-work {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  padding-inline: .65rem;
  min-height: 39px;
  white-space: nowrap;
  font: 500 .74rem/1.1 var(--font-mono);
}
.profile-work:hover, .section-link:hover { color: var(--color-accent-ink); }
.profile-work .icon { font-size: 1rem; }
.section-heading {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: .83rem var(--gutter) .66rem;
}
.section-heading h2, .log-title h2 {
  font: 400 2.02rem/1 var(--font-editorial);
  letter-spacing: -.033em;
}
.section-link {
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  min-height: 32px;
  color: var(--color-muted);
  font: 450 .69rem/1.2 var(--font-mono);
  white-space: nowrap;
}
.section-link .icon { font-size: .8rem; }
.about-body {
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,.98fr);
  align-items: center;
  gap: clamp(1.25rem, 3.5vw, 2.35rem);
  padding: 0 var(--gutter) 1.25rem;
}
.about-prose p { font-size: .96rem; line-height: 1.56; letter-spacing: -.009em; color: var(--color-body); }
.about-prose p + p { margin-top: .7rem; }
.about-prose p:empty { display: none; }
.about-body .map {
  width: 100%;
  max-width: none;
  border: 1px solid var(--color-dark-rule);
  border-radius: 5px;
}
.map-head, .map-foot { padding-inline: .83rem; }
.map-head { font-size: .68rem; padding-top: .69rem; }
.map-title .icon { width: .9rem; height: .9rem; }
.map-stage { margin: .4rem 0 .15rem; background-size: 12px 12px; overflow-x: auto; scrollbar-width: thin; }
.map-foot { padding-block: .55rem; gap: .4rem; }
.map-legend { font-size: .61rem; gap: .67rem; }
.map-revision { font-size: .57rem; letter-spacing: 0; }
.map-hash { font-size: 13px; }
.map .node-hit { r: 36px; }
.about-body .map:focus-within { outline: 1px solid var(--color-dark-muted); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px dashed var(--color-frame);
}
.contact-cell {
  display: flex;
  align-items: center;
  gap: .55rem;
  min-width: 0;
  min-height: 57px;
  padding: .5rem clamp(.65rem, 1.6vw, 1.15rem);
  color: var(--color-ink);
  font-size: .89rem;
  font-weight: 480;
  white-space: nowrap;
}
.contact-cell + .contact-cell { border-left: 1px dashed var(--color-frame); }
.contact-icon {
  display: grid;
  place-items: center;
  width: 31px;
  height: 31px;
  flex: none;
  border: 1px solid var(--color-rule);
  border-radius: 6px;
}
.contact-icon .icon { width: 17px; height: 17px; }
.contact-cell small { display: block; margin-top: .13rem; color: var(--color-muted); font: .59rem/1.1 var(--font-mono); }
.contact-cell.pending { color: var(--color-body); }
.contact-arrow { color: var(--color-muted); margin-left: auto; }
a.contact-cell:hover { background: var(--color-wash); }
a.contact-cell:hover .contact-arrow { color: var(--color-accent-ink); }
a.contact-cell:focus-visible { outline-offset: -3px; }
.stack-help { font: 440 .65rem/1.4 var(--font-mono); color: var(--color-muted); }
.tools-list { padding: 0 var(--gutter) .9rem; }
.tool-group {
  display: grid;
  grid-template-columns: 7.4rem minmax(0,1fr);
  gap: .5rem;
  align-items: baseline;
  padding: .52rem 0;
}
.tool-group + .tool-group { border-top: 1px dashed var(--color-quiet-rule); }
.tool-group dt { font: 440 .69rem/1.3 var(--font-mono); color: var(--color-muted); }
.tool-group dd { display: flex; flex-wrap: wrap; gap: .3rem .4rem; }
.tool-group a, .tool-plain, .active-tool {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .26rem .48rem;
  border: 1px solid var(--color-rule);
  border-radius: 3px;
  color: var(--color-body);
  font: 470 .69rem/1.22 var(--font-mono);
  white-space: nowrap;
}
.tool-group a:hover, .active-tool:hover { color: var(--color-accent-ink); border-color: var(--color-accent); }
.tool-plain { border-style: dashed; color: var(--color-muted); }
.active-tool { margin-bottom: .75rem; color: var(--color-accent-ink); }
.active-tool .icon { font-size: .75rem; }
.log {
  padding: 1.17rem var(--gutter) 1.58rem;
  border-top: 0;
  --rail-width: 62px;
  --cover-width: clamp(100px, 12vw, 132px);
  --branch-width: 78px;
}
.log-head { margin-bottom: .96rem; }
.migration-notice { padding: 1.2rem 0; color: var(--color-muted); font-size: .9rem; }
.migration-notice button { margin-left: .6rem; }
.map-message { padding: 2rem .85rem; color: var(--color-dark-muted); font: .7rem/1.5 var(--font-mono); }
.log-title { gap: .61rem; }
.log-bar { border-block-style: dashed; background: transparent; }
.entry { min-height: 104px; border-bottom-style: dashed; }
.row-title { font-size: 1.33rem; }
.row-summary { font-size: .85rem; }
.row-copy { padding-inline: clamp(.65rem,1.4vw,1.12rem); }
.foot { border-top-style: dashed; }
.foot-inner { min-height: 57px; padding-inline: var(--gutter); }
.foot-name .brand-mark { color: var(--color-muted); }
.panel-content h2 { font-family: var(--font-editorial); font-weight: 400; letter-spacing: -.04em; }
@media (max-width: 750px) {
  .about-body { gap: 1.2rem; }
  .map-foot { gap: .3rem; }
  .map-legend { gap: .44rem; }
}
@media (max-width: 680px) {
  .shell { width: calc(100% - 1rem); }
  .mast-inner { min-height: 52px; gap: .5rem; }
  .section-heading { min-height: 50px; align-items: baseline; }
  .section-link { min-height: 44px; }
  .log { --rail-width: 42px; --cover-width: clamp(65px, 13vw, 85px); }
  .profile-work { min-height: 44px; padding-inline: 0; }
  .row-copy { padding-left: 0; }
  .contact-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .contact-cell { padding-inline: var(--gutter); }
  .contact-cell:nth-child(odd) { border-left: 0; }
  .contact-cell:nth-child(n+3) { border-top: 1px dashed var(--color-frame); }
  .tool-group a, .tool-plain, .active-tool { min-height: 44px; }
  .tool-group dt { align-self: start; padding-top: .85rem; }
  .map .node-hit { r: 43px; }
  .banner-control, .nav-links a, .theme-toggle { min-width: 44px; min-height: 44px; }
  .nav-links a { justify-content: center; }
}
@media (max-width: 580px) {
  .about-body { grid-template-columns: minmax(0,1fr); gap: .9rem; }
  .map-stage { margin-block: .3rem .1rem; }
  /* Fixed height; the width follows the viewBox, so a long history scrolls with no blank bands. */
  .map-stage > svg { height: clamp(146px, 40vw, 198px); width: auto; min-width: 100%; }
  .contact-grid .contact-cell { min-height: 54px; }
  .profile-band { padding-block: 1.05rem; gap: .85rem; }
  .profile-work { display: none; }
  .landscape { aspect-ratio: 2.9; object-position: 62% center; }
  .landscape-motion { object-position: 62% center; }
  .tool-group { grid-template-columns: minmax(0,1fr); gap: .43rem; }
  .tool-group dt { padding-top: 0; }
  .stack-heading { display: grid; grid-template-columns: minmax(0, 1fr); gap: .4rem; }
  .section-heading h2, .log-title h2 { font-size: 1.83rem; }
  .tool-group a, .tool-plain { padding-block: 0; }
}
/* The full name does not fit beside the nav on phones; the aria-label keeps it. */
@media (max-width: 480px) {
  .brand-surname { display: none; }
}

@media (max-width: 430px) {
  :root { --gutter: .85rem; }
  .nav-links { gap: .83rem; font-size: .67rem; }
  .wordmark { font-size: 1.08rem; }
  .about-body .map { margin-inline: 0; }
  .portrait { width: 72px; }
  .profile-info h1 { font-size: 2.5rem; }
  .profile-role { font-size: .94rem; }
  .profile-meta { font-size: .61rem; gap: .22rem .55rem; }
  .log { --rail-width: 34px; --cover-width: clamp(49px,16vw,69px); }
  .nav-links { gap: .2rem; }
}
@media (max-width: 355px) {
  .nav-links { gap: 0; }
  .mast-inner { padding-inline: .55rem; }
}
@media (max-width: 410px) {
  .wordmark .brand-label { display: none; }
  .wordmark { min-width: 44px; }
  .nav-links { gap: .2rem; }
}
.nav-links a[aria-current="page"] { color: var(--color-accent-ink); }