/* ═══════════════════════════════════════════════════════════
   PORTFOLIO SSG — main.css
   Single-file stylesheet. No preprocessor required.
   ═══════════════════════════════════════════════════════════ */

/* ── DESIGN TOKENS ──────────────────────────────────────── */
:root {
  --color-bg: #ffffff;
  --color-fg: #111111;
  --color-muted: #888888;
  --color-subtle: #e8e8e8;
  --color-accent: #8153ff;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --text-meta: 0.875rem;
  --text-body: 1rem;
  --text-heading: clamp(1.3rem, 3.2vw, 2.5rem);
  --text-display: clamp(2.5rem, 6.3vw, 8rem);

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;

  --nav-height: 5rem;
  --max-content: 95vw;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 220ms;
}

/* ── RESET ───────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--text-body);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 300;
  color: var(--color-fg);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

ul {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

/* ── ACCESSIBILITY ───────────────────────────────────────── */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-fg);
  outline-offset: 3px;
}


/* ═══════════════════════════════════════════════════════════
   NAVIGATION — global top bar only
   ═══════════════════════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: auto;
  min-height: var(--nav-height);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
}

.nav__back {
  font-size: var(--text-heading);
  font-weight: 200;
  color: var(--color-fg);
  text-decoration: none;
  line-height: 1;
  transition: color var(--duration) var(--ease);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Safari */
}

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

.nav__current {
  font-size: var(--text-heading);
  font-weight: 200;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
}

.nav__current--diary {
  text-transform: none;
  font-style: italic;
}

a.nav__current:hover {
  color: var(--color-fg);
}


/* ═══════════════════════════════════════════════════════════
   HOME — WHITE CANVAS
   ═══════════════════════════════════════════════════════════ */
body.home {
  overflow: hidden;
  /* Non-scrollable */
  background: linear-gradient(135deg, var(--color-bg) 0%, #c2c0ff 50%, var(--color-bg) 100%);
  background-size: 200% 200%;
  animation: gradientFlow 20s ease infinite;
}

@keyframes gradientFlow {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* Hide global top bar on homepage */
body.home .site-nav {
  display: none;
}

/* .home-ui__nav must NOT inherit fixed positioning from any rule */
.home-ui__nav {
  position: static;
  height: auto;
  z-index: auto;
  padding: 0;
}

/* Fixed canvas behind everything */
#canvas-container {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── CONTAINER ───────────────────────────────────────────── */
.home-ui {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  /* Footer is pushed to bottom via margin-top: auto */
}

/* ── / NAME ──────────────────────────────────────────────── */
/* font-size in vw fills the width. Tweak 9vw ± to taste.    */
.home-ui__name {
  font-size: var(--text-display);
  font-weight: 200;
  /* Extra Light — elegant at large size */
  letter-spacing: -0.03em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

/* ── // NAV — two groups ─────────────────────────────────── */
.home-ui__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.home-ui__nav-group {
  display: flex;
  gap: var(--spacing-lg);
}

.home-ui__nav-group a {
  font-size: var(--text-heading);
  font-weight: 200;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-fg);
  transition: color var(--duration) var(--ease);
}

.home-ui__nav-group a:hover {
  color: var(--color-muted);
}

/* ── DROPDOWN (PROJECTS) ─────────────────────────────────── */
.home-ui__dropdown {
  position: relative;
  display: flex;
  flex-direction: column;
}

.home-ui__dropdown-toggle {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: var(--text-meta);
  font-weight: 200;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-fg);
  cursor: pointer;
  padding: 0;
  transition: color var(--duration) var(--ease);
}

.home-ui__dropdown-toggle:hover,
.home-ui__dropdown:hover .home-ui__dropdown-toggle,
.home-ui__dropdown:focus-within .home-ui__dropdown-toggle {
  color: var(--color-muted);
}

.home-ui__dropdown-menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  padding: var(--spacing-xs) var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: max-content;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Safari */

  /* Hidden state by default */
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration) var(--ease),
    transform var(--duration) var(--ease),
    visibility var(--duration) var(--ease);
  z-index: 50;
}

.home-ui__dropdown:hover .home-ui__dropdown-menu,
.home-ui__dropdown:focus-within .home-ui__dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.home-ui__dropdown-menu a {
  font-size: var(--text-meta);
  font-weight: 200;
  color: var(--color-muted);
  text-transform: none;
  letter-spacing: 0;
  display: block;
  padding: 0.2em 0;
  border-bottom: none !important;
}



.home-ui__dropdown-menu a:hover {
  color: var(--color-fg);
}

/* Secondary group (IG, diary, CONTACT) — slightly smaller + muted */
.home-ui__nav-group--secondary a {
  font-size: var(--text-heading);
  font-weight: 200;
  color: var(--color-muted);

}

/* "diary" stays lowercase regardless of text-transform */
.home-ui__nav-group--secondary a:nth-child(2) {
  text-transform: none;
  font-style: italic;
}

.home-ui__nav-group--secondary a:hover {
  color: var(--color-fg);
}

/* ── /// LOCATION ────────────────────────────────────────── */
.home-ui__location {
  font-size: var(--text-heading);
  font-weight: 200;
  letter-spacing: 0.01em;
  color: var(--color-fg);
  margin-bottom: var(--spacing-md);
}

/* ── //// BIO — left half only ───────────────────────────── */
.home-ui__bio {
  max-width: 48ch;
  /* ~half viewport on most screens */
  font-size: var(--text-body);
  font-weight: 300;
  line-height: 1.65;
  color: var(--color-fg);
}

/* ── //// FOOTER — pinned to bottom ─────────────────────── */
.home-ui__footer {
  margin-top: auto;
  /* Pushes footer to bottom */
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.home-ui__footer-btn {
  background: none;
  border: 0px solid var(--color-subtle);
  color: var(--color-muted);
  font-family: var(--font-sans);
  font-size: var(--text-heading);
  font-weight: 200;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3em 0.8em;
  cursor: pointer;
}

.home-ui__footer-btn:hover {
  color: var(--color-fg);
  border-color: var(--color-fg);
}



/* ═══════════════════════════════════════════════════════════
   PROJECTS LIST PAGE
   ═══════════════════════════════════════════════════════════ */
body:not(.home) main {
  padding-top: calc(var(--nav-height) + var(--spacing-md));
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  padding-bottom: var(--spacing-xl);
}



/* ═══════════════════════════════════════════════════════════
   PROJECT DETAIL PAGE
   ═══════════════════════════════════════════════════════════ */
.project {
  width: 100%;
}

/* ── META BAR — single horizontal line ───────────────────── */
.project__meta-bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  border-bottom: none;
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-meta);
}

.project__meta-bar__left {
  display: flex;
  align-items: baseline;
  color: var(--color-muted);
}

.project__year {
  font-weight: 400;
  color: var(--color-fg);
}

.project__type,
.project__category-inline {
  color: var(--color-muted);
}

.project__meta-sep {
  color: var(--color-subtle);
  padding: 0 0.3em;
}

.project__meta-bar__right {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.project__nav-link {
  font-size: var(--text-meta);
  letter-spacing: 0.06em;
  color: var(--color-muted);
  transition: color var(--duration) var(--ease);
}

.project__nav-link:hover {
  color: var(--color-fg);
}

/* ── TITLE — first ## in each markdown body is the title ─── */
.project__body>h2:first-child {
  font-size: var(--text-heading);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

/* Keep category-tag for any other usage */
.project__category-tag {
  font-size: var(--text-meta);
  font-style: italic;
  color: var(--color-accent);
}

/* Cover */
.project__cover {
  margin-bottom: var(--spacing-lg);
}

.project__cover img {
  width: 100%;
  height: auto;
}

/* Body — markdown content */
.project__body {
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.project__body p {
  margin-bottom: var(--spacing-md);
}

.project__body h2 {
  font-size: var(--text-heading);
  font-weight: 400;
  margin-bottom: var(--spacing-sm);
}

.project__body a {
  border-bottom: none;
}

.project__body a:hover {
  border-color: var(--color-fg);
}

/* Gallery */
.project__gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.project__gallery-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

/* Awards */
.project__awards {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  font-size: var(--text-meta);
}

.project__awards-title {
  font-size: var(--text-meta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: var(--spacing-sm);
}

.project__awards ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Edition */
.project__edition {
  font-size: var(--text-meta);
  color: var(--color-muted);
  margin-bottom: var(--spacing-lg);
}

/* Footer */
.project__footer {
  margin-top: var(--spacing-xl);
  font-size: var(--text-meta);
  letter-spacing: 0.06em;
}

.project__footer a:hover {
  color: var(--color-muted);
}

/* Suppress <hr> inside project body (--- in markdown) */
.project__body hr {
  display: none;
}


/* ═══════════════════════════════════════════════════════════
   DIARY LIST / PROJECTS LIST
   ═══════════════════════════════════════════════════════════ */
.diary-list {
  display: flex;
  flex-direction: column;
}

.diary-list__item {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
  text-decoration: none;
  align-items: baseline;
}

.diary-list__item:first-child {
  padding-top: 0;
}

.diary-list__meta {
  font-size: var(--text-meta);
  color: var(--color-accent);
  min-width: 100px;
  /* Aligns the titles */
}

.diary-list__title {
  font-size: var(--text-heading);
  font-weight: 300;
}

.diary-list__title a:hover {
  color: var(--color-accent);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 600px) {
  nav {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .nav__back,
  .nav__current,
  .home-ui__dropdown-toggle {
    font-size: var(--text-heading);
  }

  body:not(.home) main {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }

  .diary-list__item {
    flex-direction: column;
    gap: var(--spacing-xs);
    align-items: flex-start;
  }
}


/* ═══════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}