/* ═════════════════════════════════════════════════════════════
   DESIGN TOKENS — change the look from here.
   Everything below the tokens reads from these variables.
   ═════════════════════════════════════════════════════════════ */
:root {
  /* Colour */
  --color-bg:          #0e0e0e;
  --color-surface:     #1a1a1a;
  --color-text:        #f4f3ee;
  --color-muted:       rgba(244, 243, 238, 0.65);
  --color-border:      rgba(244, 243, 238, 0.14);
  --color-accent:      #e8c547;  /* Face Lab yellow */
  --color-accent-text: #161616;  /* text sitting on the accent */
  --slide-shade:       rgba(0, 0, 0, 0.72);  /* darkening behind slide text */

  /* Type */
  --font-display: 'Bebas Neue', Impact, sans-serif;
  --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
  /* Logo. iPhones don't have Comic Sans, so they get Comic Neue (a close lookalike) */
  --font-logo:    'Comic Sans MS', 'Comic Neue', 'Chalkboard SE', cursive;
  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    clamp(1.75rem, 5vw, 2.5rem);
  --text-slide: clamp(3.5rem, 13vw, 10rem);  /* project name on each slide */
  --leading:    1.5;
  --tracking-display: 0.02em;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;

  /* Shape */
  --radius-pill: 999px;
  --avatar: 28px;          /* your photo in the top bar */
  --border: 1px solid var(--color-border);

  /* Layout */
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --topbar-h: 56px;
  --slide-h: 80vh;          /* each project's height (80% of the screen) */
  --slide-min-h: 440px;     /* never shorter than this */
  --slide-gap: 0px;         /* space between slides */

  /* Motion */
  --parallax: 0.22;         /* background drift on scroll; 0 = off */
  --ease: 220ms ease;
}

/* Phones: gentler parallax, darker shade (text covers more of the image) */
@media (max-width: 700px) {
  :root {
    --parallax: 0.1;
    --slide-shade: rgba(0, 0, 0, 0.88);
  }
  .slide-bg::after {
    background: linear-gradient(to top, var(--slide-shade) 0%, rgba(0,0,0,0.6) 55%, rgba(0,0,0,0.15) 100%);
  }
}

/* iPhone Safari: size slides to the visible screen, ignoring the toolbar */
@supports (height: 1svh) {
  :root { --slide-h: 80svh; }
}

/* ═════════════════════════════════════════════════════════════
   BASE
   ═════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading);
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p, ul { margin: 0; }
button { font: inherit; color: inherit; }

/* ═════════════════════════════════════════════════════════════
   TOP BAR
   ═════════════════════════════════════════════════════════════ */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(var(--gutter), env(safe-area-inset-right)) 0 max(var(--gutter), env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: rgba(14, 14, 14, 0.7);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: var(--border);
}
.brand {
  font-family: var(--font-logo);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  text-decoration: none;
  white-space: nowrap;
}

/* ── LOGO TRICKS (played at random by logo.js) ──────────────── */
.logo { display: inline-block; }
.logo .ch { display: inline-block; }   /* lets each letter move on its own */

/* Whole logo */
.logo.fx-wave .ch    { animation: logo-hop 500ms ease calc(var(--i) * 45ms); }
.logo.fx-shake       { animation: logo-shake 600ms ease; }
.logo.fx-rainbow .ch { animation: logo-rainbow 1200ms linear calc(var(--i) * 40ms); }
.logo.fx-squash      { animation: logo-squash 700ms ease; transform-origin: bottom; }

/* One random letter */
.ch.fx-spin { animation: logo-spin 700ms ease; }
.ch.fx-fall { animation: logo-fall 1300ms ease; transform-origin: bottom left; }
.ch.fx-flip { animation: logo-flip 1200ms ease; }
.ch.fx-hop  { animation: logo-bighop 700ms ease; }

@keyframes logo-hop {
  0%, 100% { transform: translateY(0); }
  40%      { transform: translateY(-6px); }
}
@keyframes logo-bighop {
  0%, 100% { transform: translateY(0) scale(1); }
  30%      { transform: translateY(-12px) scale(1.2); }
  60%      { transform: translateY(0) scale(0.9, 1.1); }
}
@keyframes logo-shake {
  0%, 100% { transform: rotate(0); }
  20%      { transform: rotate(-4deg); }
  40%      { transform: rotate(4deg); }
  60%      { transform: rotate(-3deg); }
  80%      { transform: rotate(2deg); }
}
@keyframes logo-rainbow {
  0%   { color: #ff5a5a; }
  25%  { color: var(--color-accent); }
  50%  { color: #5cc27f; }
  75%  { color: #6aa8ff; }
  100% { color: inherit; }
}
@keyframes logo-squash {
  0%, 100% { transform: scale(1, 1); }
  30%      { transform: scale(1.12, 0.75); }
  60%      { transform: scale(0.94, 1.1); }
}
@keyframes logo-spin {
  to { transform: rotate(360deg); }
}
@keyframes logo-fall {          /* tips over, dangles, then snaps back */
  0%   { transform: rotate(0); }
  30%  { transform: rotate(100deg); }
  45%  { transform: rotate(80deg); }
  60%  { transform: rotate(95deg); }
  85%  { transform: rotate(90deg); }
  100% { transform: rotate(0); }
}
@keyframes logo-flip {
  0%, 100% { transform: rotate(0); }
  25%, 75% { transform: rotate(180deg); }
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.topbar-link {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-pill);
  background: none;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
}
.topbar-link:hover { background: var(--color-border); }
.topbar-link.about {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding-left: var(--space-1);
}
.avatar {
  width: var(--avatar);
  height: var(--avatar);
  border-radius: 50%;
  object-fit: cover;
}
.topbar-link.support {
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 500;
}
/* Narrow phones: shorter label so everything fits on one line */
@media (max-width: 420px) {
  .topbar { gap: var(--space-2); }
  .topbar-links { gap: 0; }
  .topbar-link { padding: var(--space-2) var(--space-2); }
  .topbar-link.support { padding: var(--space-2) var(--space-3); }
  .topbar-link .long { display: none; }
}
@media (max-width: 359px) {
  .brand { font-size: var(--text-sm); letter-spacing: 0; }
}

/* ═════════════════════════════════════════════════════════════
   SLIDES — one big full-width section per project
   ═════════════════════════════════════════════════════════════ */
#slides {
  padding-top: calc(var(--topbar-h) + env(safe-area-inset-top));
  display: grid;
  gap: var(--slide-gap);
}

.slide {
  position: relative;
  isolation: isolate;       /* keeps the background behind the text */
  overflow: hidden;
  height: var(--slide-h);
  min-height: var(--slide-min-h);
  display: flex;
  align-items: flex-end;
  background: var(--slide-color, var(--color-surface));
  color: #fff;
}

/* Background layer: taller than the slide so parallax never shows edges */
.slide-bg {
  position: absolute;
  inset: -15% 0;
  z-index: -1;
  will-change: transform;
}
.slide-bg::after {           /* darkens the bottom so text stays readable */
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--slide-shade) 0%, rgba(0,0,0,0.25) 45%, rgba(0,0,0,0.05) 100%);
}
.slide-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms ease;
}
.slide:hover .slide-media { transform: scale(1.03); }

.slide-content {
  width: 100%;
  padding: var(--space-12) var(--gutter) var(--space-8);
  display: grid;
  gap: var(--space-3);
}
.slide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.04em;
}
.slide-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-slide);
  letter-spacing: var(--tracking-display);
  line-height: 0.88;
}
.slide-link { text-decoration: none; }
/* Stretch the title link over the whole slide: tap anywhere to open */
.slide-link::after {
  content: '';
  position: absolute;
  inset: 0;
}
.slide-link:focus-visible { outline: none; }
.slide-link:focus-visible::after { outline: 3px solid var(--color-accent); outline-offset: -6px; }

.slide-text {
  max-width: 34ch;
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.85);
}
.slide-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.slide-cta,
.slide-github {
  font-size: var(--text-sm);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  text-decoration: none;
}
.slide-cta { background: #fff; color: #111; }
.slide-cta.is-muted { background: rgba(255,255,255,0.15); color: rgba(255,255,255,0.8); }
.slide-github {
  position: relative;       /* sits above the stretched slide link */
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.5);
}
.slide-github:hover { background: rgba(255, 255, 255, 0.12); }

/* "Scroll" hint on the first slide */
.scroll-cue {
  position: absolute;
  right: var(--gutter);
  bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  pointer-events: none;
}
.scroll-cue::after {
  content: '';
  width: 1px;
  height: 40px;
  background: currentColor;
  transform-origin: top;
  animation: scroll-cue 1.8s ease-in-out infinite;
}
@keyframes scroll-cue {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* Easter egg (eggs.js): type "fun" and every slide wobbles */
.slide.fx-wobble { animation: slide-wobble 900ms ease calc(var(--i) * 90ms); }
@keyframes slide-wobble {
  0%, 100% { transform: rotate(0) scale(1); }
  20%      { transform: rotate(-1.5deg) scale(0.98); }
  40%      { transform: rotate(1.2deg) scale(1.01); }
  60%      { transform: rotate(-0.8deg); }
  80%      { transform: rotate(0.4deg); }
}

/* Coming soon: a shorter closing slide */
.slide-soon {
  height: auto;
  min-height: 60vh;
  background: var(--color-bg);
  border-top: var(--border);
  align-items: center;
}
.soon-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-4);
}
.soon-list li { display: grid; gap: var(--space-1); }
.soon-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-display);
  line-height: 1;
}
.soon-text { color: var(--color-muted); }

.noscript { padding: var(--space-12) var(--gutter); }

/* ═════════════════════════════════════════════════════════════
   404 PAGE
   ═════════════════════════════════════════════════════════════ */
.page { padding: var(--space-8) var(--gutter); }
.not-found {
  min-height: 80vh;
  display: grid;
  align-content: center;
  gap: var(--space-4);
}
.eyebrow { font-size: var(--text-sm); color: var(--color-muted); }
.section-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  letter-spacing: var(--tracking-display);
  line-height: 1;
}
.muted { color: var(--color-muted); }
.button {
  display: inline-block;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-accent-text);
  font-weight: 500;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::after { transition: none !important; animation: none !important; }
}