/*
  Time Machines - styles
  - Home: white bg + black oval
  - Activated: black bg + white oval + black links
  - Inner pages: black bg + white text
*/

@font-face {
  font-family: "PP Supply Sans";
  src:
    url("./fonts/Supply/PPSupplySans-Regular.woff2") format("woff2"),
    url("./fonts/Supply/PPSupplySans-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "PP Supply Sans";
  src:
    url("./fonts/Supply/PPSupplySans-Medium.woff2") format("woff2"),
    url("./fonts/Supply/PPSupplySans-Medium.woff") format("woff");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "PP Supply Sans";
  src:
    url("./fonts/Supply/PPSupplySans-Bold.woff2") format("woff2"),
    url("./fonts/Supply/PPSupplySans-Bold.woff") format("woff");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "PP Rader";
  src:
    url("./fonts/Ra%CC%88der/PPRader-Regular.woff2") format("woff2"),
    url("./fonts/Ra%CC%88der/PPRader-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --transition-ms: 650ms;
  --transition-ease: cubic-bezier(0.2, 0.9, 0.2, 1);

  --bg: #ffffff;
  --fg: #000000;
  --monolith: #000000;

  --type: "PP Supply Sans", "Helvetica Neue", Arial, system-ui, sans-serif;
  /* Subpages: calmer mono stack for a typewriter feel without harshness */
  --type-page: "IBM Plex Mono", "SFMono-Regular", "Roboto Mono", "Menlo", "Consolas",
    "Liberation Mono", monospace;

  /* Oval nav spacing */
  --nav-pad-x: clamp(16px, 8vw, 44px);
  --nav-pad-y: 18%;
  --nav-gap: clamp(4px, 1.2vw, 10px);
  --nav-dot-offset: -10px;
  --nav-dot-height: 8px;
  --nav-dot-inset: 8px;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-ms: 0ms;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: var(--type);
  background-color: var(--bg);
  color: var(--fg);
  transition:
    background-color var(--transition-ms) var(--transition-ease),
    color var(--transition-ms) var(--transition-ease);
}

/* -----------------------------
   Home (oval portal)
------------------------------ */

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 6vh 6vw;
}

.monolith {
  /* Size tuned to feel "album-cover-ish" but responsive */
  width: clamp(220px, 40vw, 420px);
  aspect-ratio: 3 / 4;

  background-color: var(--monolith);
  border-radius: 50%;
  overflow: hidden;

  display: grid;
  place-items: center;

  cursor: pointer;
  user-select: none;

  transition:
    background-color var(--transition-ms) var(--transition-ease),
    transform var(--transition-ms) var(--transition-ease);
}

.monolith:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 6px;
}

/* Links container inside the oval */
.monolith__links {
  width: 100%;
  height: 100%;

  padding: var(--nav-pad-y) 0;
  counter-reset: nav;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(10px, 2vh, 18px);

  opacity: 0;
  transform: translateY(6px);

  /* Non-interactive until JS flips body[data-links] */
  pointer-events: none;

  transition:
    opacity var(--transition-ms) var(--transition-ease),
    transform var(--transition-ms) var(--transition-ease);
}

.monolith__links a {
  color: #000;
  text-decoration: none;
  font-size: clamp(1.05rem, 2.6vw, 1.4rem);
  font-weight: 600;
  line-height: 1.2;
  width: 100%;
  max-width: calc(100% - (2 * var(--nav-gap)));
  white-space: nowrap;
  margin-inline: auto;

  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: clamp(0.55rem, 1vw, 0.9rem);
  padding: 0.15rem var(--nav-gap);
}

.monolith__links a::before {
  counter-increment: nav;
  content: counter(nav, decimal-leading-zero);
  font-weight: 600;
  letter-spacing: 0.08em;
  opacity: 0.8;
  grid-column: 1;
}

.monolith__links a::after {
  content: "";
  display: block;
  height: var(--nav-dot-height);
  width: 100%;
  box-sizing: border-box;
  padding-inline: var(--nav-dot-inset);
  background-clip: content-box;
  background-image: radial-gradient(circle, currentColor 30%, transparent 32%);
  background-size: 8px 6px;
  background-repeat: repeat-x;
  background-position: center;
  transform: translateY(var(--nav-dot-offset));
  opacity: 0.85;
  align-self: center;
  grid-column: 2;
}

.monolith__label {
  letter-spacing: 0.22em;
  text-transform: uppercase;
  justify-self: end;
  grid-column: 3;
}

.monolith__links a:hover,
.monolith__links a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* Activated state: invert colors */
body.home[data-state="active"] {
  --bg: #000000;
  --fg: #ffffff;
  --monolith: #ffffff;
}

body.home[data-state="active"] .monolith__links {
  opacity: 1;
  transform: translateY(0);
}

body.home[data-links="enabled"] .monolith__links {
  pointer-events: auto;
}

/* -----------------------------
   Inner pages
------------------------------ */

body.page {
  --bg: #000000;
  --fg: #ffffff;
  font-family: var(--type-page);
  font-size: 1.05rem;
}

body.page[data-theme="light"] {
  --bg: #ffffff;
  --fg: #000000;
}

.page-wrap {
  max-width: 112ch;
  margin: 0 auto;
  padding: 6vh clamp(16px, 5vw, 80px);
}

.page-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3rem;
}

.page-top a {
  color: currentColor;
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.page-top a:hover,
.page-top a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.page-toggle {
  appearance: none;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.8rem;
  line-height: 1;
  padding: 0.58rem 0.95rem 0.37rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: clamp(16px, 3vh, 28px);
  right: clamp(16px, 3vw, 28px);
  z-index: 10;
  transition:
    background-color var(--transition-ms) var(--transition-ease),
    color var(--transition-ms) var(--transition-ease),
    border-color var(--transition-ms) var(--transition-ease);
}

.page-toggle:hover,
.page-toggle:focus-visible {
  background-color: var(--fg);
  color: var(--bg);
  border-color: var(--fg);
}

h1 {
  font-size: clamp(1.2rem, 3.2vw, 2rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 1.8rem 0;
}

h2 {
  font-size: clamp(1.05rem, 2.6vw, 1.5rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 2.4rem 0 1.2rem 0;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 1.25rem 0;
}

.small {
  opacity: 0.85;
  font-size: 0.95rem;
}

/* Subpage body copy size */
body.page p {
  font-size: 1.15rem;
  line-height: 1.65;
}

.about-photo {
  float: right;
  width: clamp(180px, 24vw, 320px);
  max-width: 42%;
  height: auto;
  margin: 0 0 1rem 1.5rem;
  border-radius: 10px;
  object-fit: cover;
}

@media (max-width: 760px) {
  .about-photo {
    float: none;
    display: block;
    max-width: min(72vw, 320px);
    width: 100%;
    margin: 0 auto 1.25rem;
  }
}

.pubs {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pubs li {
  margin: 0 0 1.4rem 0;
}

.pubs a {
  color: inherit;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.pubs a:hover,
.pubs a:focus-visible {
  text-decoration: underline;
}

.pubs__meta {
  opacity: 0.85;
  margin-top: 0.35rem;
  font-size: 0.98rem;
  line-height: 1.55;
}