/* ==========================================================================
   Rita Bastos — main.css
   Structure: 1. Fonts & tokens  2. Base  3. Header  4. Media  5. Pages
              6. Loader & transitions  7. Entrance animations  8. Mobile
   ========================================================================== */

/* 1. Fonts & tokens ------------------------------------------------------- */
@font-face {
  font-family: "Neue Montreal";
  src: url("../fonts/PPNeueMontreal-Regular.woff2") format("woff2"),
       url("../fonts/PPNeueMontreal-Regular.woff") format("woff");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #fff;
  --fg: #000;
  --muted: rgba(0, 0, 0, .45);
  --gutter: 20px;
  --gap: 20px;
  --ease: cubic-bezier(.77, 0, .18, 1);        /* dramatic in-out */
  --ease-out: cubic-bezier(.16, 1, .3, 1);     /* soft ease-out */
  --font: "Neue Montreal", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --fs-nav: 22px;
  --fs-body: 16px;
  --fs-small: 14px;
  --fs-tiny: 13px;
  color-scheme: light;
}
.theme-dark {
  --bg: #000;
  --fg: #fff;
  --muted: rgba(255, 255, 255, .5);
  color-scheme: dark;
}

/* 2. Base ----------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.25;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding: 0 var(--gutter);
  min-height: 100vh;
  font-weight: 400;
}
h1, h2, h3 { font: inherit; }
ul { list-style: none; }
a { color: inherit; text-decoration: none; }
img, video, iframe { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
::selection { background: var(--fg); color: var(--bg); }
:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  padding: 8px 12px; background: var(--fg); color: var(--bg);
  transform: translateY(-200%);
}
.skip:focus { transform: none; }

.dot {
  display: inline-block; width: 15px; height: 15px; border-radius: 50%;
  background: currentColor; flex: none;
  transition: transform .6s var(--ease-out);
  transform-origin: right center;
}

.link {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .5s var(--ease-out);
}
.link:hover { background-size: 100% 1px; }

/* 3. Header --------------------------------------------------------------- */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: 70px; pointer-events: none;
  color: #fff; mix-blend-mode: difference;       /* legible over any image */
  view-transition-name: header;
}
.nav { position: relative; height: 100%; font-size: var(--fs-nav); }
.nav__link {
  position: absolute; top: 25px; pointer-events: auto;
  display: inline-block; overflow: hidden; line-height: 1.1;
}
.nav__link--home  { left: var(--gutter); }
.nav__link--work  { right: 15%; }
.nav__link--about { right: var(--gutter); }

/* "roll" effect: the text slides up and a copy appears underneath */
.nav__text { display: inline-block; position: relative; transition: transform .55s var(--ease); }
.nav__text::after {
  content: attr(data-text);
  position: absolute; left: 0; top: 100%;
}
.nav__link:hover .nav__text { transform: translateY(-100%); }
.nav__link[aria-current="page"]:not(.nav__link--home)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor;
}

/* 4. Media ---------------------------------------------------------------- */
.media {
  position: relative; overflow: hidden;
  background-color: var(--ph, transparent);
  -webkit-user-select: none; user-select: none; -webkit-touch-callout: none;
}
.media picture { display: contents; }
.media__el {
  width: 100%; height: auto;
  pointer-events: none;                 /* no direct dragging/saving */
  -webkit-user-drag: none;
}
.media--banner .media__el,
.media--thumb .media__el,
.next__preview .media__el { height: 100%; object-fit: cover; }

/* placeholder in the image's average colour → image goes from blurred to sharp */
.js .media__el { opacity: 0; filter: blur(14px); transform: scale(1.04);
  transition: opacity .9s var(--ease-out), filter 1.1s var(--ease-out), transform 1.6s var(--ease-out); }
.js .media__el.is-loaded { opacity: 1; filter: none; transform: none; }

.embed { position: relative; aspect-ratio: 16 / 9; background: #f2f2f2; }
.embed--4-3 { aspect-ratio: 4 / 3; }
.embed--1-1 { aspect-ratio: 1 / 1; }
.embed--9-16 { aspect-ratio: 9 / 16; }
.embed--21-9 { aspect-ratio: 21 / 9; }
.embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* 5. Pages ---------------------------------------------------------------- */
.main { padding-top: 70px; }

/* Metadata row (title · categories · credits · ●) */
.meta {
  display: grid;
  grid-template-columns: 50% 20% 1fr auto;
  align-items: start;
  padding: var(--gap) 0 45px;
  font-size: var(--fs-body); line-height: 20px;
}
.meta__title { max-width: 40%; min-width: 220px; }
.meta__title a { background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size .5s var(--ease-out); }
.meta__cats { grid-column: 2; }
.meta__credits { grid-column: 3; }
.meta .dot { grid-column: 4; margin-top: 2px; }

/* Home */
.project__link { display: block; }
/* Home and projects: images start with side margins and grow to the edges on scroll.
   The image already takes the full width; only the crop (clip-path) shrinks → no layout jumps. */
.home .project__link,
.project-page .row {
  margin-inline: calc(-1 * var(--gutter));
  clip-path: inset(0 var(--gutter));          /* the JS reduces this crop as you scroll */
}
.media--banner { height: 80vh; }
.media--banner .media__el { position: absolute; left: 0; top: -6%; height: 112%; transform-origin: center; }
.js .media--banner .media__el.is-loaded { transform: translate3d(0, var(--py, 0px), 0) scale(var(--zoom, 1)); transition: opacity .9s var(--ease-out), filter 1.1s var(--ease-out), transform 1.4s var(--ease-out); }
.project__link:hover .media__el { --zoom: 1.035; }
.home .project:hover .meta .dot { transform: scale(1.6); }
.project:hover .meta__title a { background-size: 100% 1px; }
.project.is-soon .media__el.is-loaded { filter: grayscale(.15); }

/* Project page */
.project--detail .meta { padding-top: 0; }
.project__text { margin: 0 0 60px 50%; max-width: 760px; }
.project__text p + p { margin-top: 20px; }
.project__spacer { height: 20px; }
.row { margin-bottom: var(--gap); }
.row--half { display: grid; grid-template-columns: 1fr 1fr; align-items: start; }
.row--half .media__el { height: auto; }

.next {
  margin: 120px 0 40px; border-top: 1px solid var(--fg); padding-top: 18px;
}
.next__link { position: relative; display: grid; grid-template-columns: 50% 1fr; align-items: end; gap: var(--gap); }
.next__label { font-size: var(--fs-body); align-self: start; }
.next__title {
  font-size: clamp(40px, 7vw, 120px); line-height: .95; letter-spacing: -.02em;
  transition: transform .8s var(--ease);
}
.next__preview {
  position: absolute; left: 0; bottom: 0; width: 22vw; max-width: 340px; aspect-ratio: 4 / 5;
  clip-path: inset(100% 0 0 0); transition: clip-path .8s var(--ease);
}
.next__link:hover .next__preview { clip-path: inset(0 0 0 0); }
.next__link:hover .next__title { transform: translateX(-2vw); }

/* Work */
.grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--gap); padding-top: 0;
}
.card__link { display: block; }
.media--thumb { height: 600px; }

/* Work page hover:
   1. the thumbnail eases back slightly (slow zoom)
   2. a second project image rises from the bottom, like a curtain
   3. the title "rolls", an arrow appears and the categories slide in a cascade */
.media--thumb > picture .media__el { transition: opacity .9s var(--ease-out), filter 1.1s var(--ease-out), transform 1.4s var(--ease-out); }
.card__link:hover .media--thumb > picture .media__el.is-loaded { transform: scale(1.08); }
.card__hover {
  position: absolute; inset: 0; overflow: hidden;
  clip-path: inset(100% 0 0 0);
  transition: clip-path .85s var(--ease);
}
.card__hover .media__el { height: 100%; object-fit: cover; transform: scale(1.25) translateY(6%);
  transition: opacity .6s var(--ease-out), filter .6s var(--ease-out), transform 1.1s var(--ease); }
.card__link:hover .card__hover { clip-path: inset(0 0 0 0); }
.card__link:hover .card__hover .media__el.is-loaded { transform: none; }

.card__meta {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 0;
  padding: var(--gap) 0 40px; font-size: var(--fs-small); line-height: 18px;
}
.card__title { display: flex; align-items: baseline; gap: 8px; }
.card__roll { display: inline-block; overflow: hidden; vertical-align: top; }
.card__roll-in { position: relative; display: inline-block; transition: transform .55s var(--ease); }
.card__roll-in::after { content: attr(data-text); position: absolute; left: 0; top: 100%; white-space: nowrap; }
.card__link:hover .card__roll-in { transform: translateY(-100%); }
.card__arrow { display: inline-block; opacity: 0; transform: translateX(-10px);
  transition: opacity .4s var(--ease-out), transform .6s var(--ease-out); }
.card__link:hover .card__arrow { opacity: 1; transform: none; }
.card__cats li { transition: transform .6s var(--ease-out); }
.card__link:hover .card__cats li { transform: translateX(8px); }
.card__link:hover .card__cats li:nth-child(2) { transition-delay: 50ms; }
.card__link:hover .card__cats li:nth-child(3) { transition-delay: 100ms; }

/* About */
.about { padding-top: 150px; font-size: 15px; line-height: 20px; }
.about__intro { display: grid; grid-template-columns: 50% 50%; margin-bottom: 150px; }
.about__contact { max-width: 15em; }
.about__contact p + p { margin-top: 40px; }
.about__bio { font-size: 20px; line-height: 24px; }
.cv { display: grid; grid-template-columns: 50% 50%; margin-bottom: 120px; }
.cv__list, .cv__awards { grid-column: 2; }
.cv__row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 var(--gap); }
.cv__row + .cv__row { margin-top: 20px; }
.cv__awards li + li { margin-top: 4px; }

/* 404 */
.notfound { min-height: 80vh; display: grid; align-content: center; gap: 20px; }
.notfound__title { font-size: clamp(40px, 8vw, 120px); line-height: 1; }

/* Footer */
.footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 40px 0 20px; font-size: var(--fs-tiny);
}
.to-top { display: grid; place-items: center; width: 30px; height: 30px; margin-right: -7px; }
.to-top:hover .dot { transform: translateY(-4px) scale(1.25); }

/* Custom cursor (desktop with a mouse only) */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block; position: fixed; left: 0; top: 0; z-index: 90; pointer-events: none;
    transform: translate3d(var(--x, -200px), var(--y, -200px), 0);
    will-change: transform;
  }
  .cursor__label {
    display: grid; place-items: center;
    width: 92px; height: 92px; margin: -46px 0 0 -46px; border-radius: 50%;
    background: var(--fg); color: var(--bg); font-size: var(--fs-tiny);
    transform: scale(0); transition: transform .5s var(--ease-out);
  }
  .cursor.is-active .cursor__label { transform: scale(1); }
  .js [data-cursor], .js [data-cursor] * { cursor: none; }
}

/* Smooth scrolling (Lenis) */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-smooth iframe { pointer-events: none; }

/* 6. Loader & transitions ------------------------------------------------- */
.loader { display: none; }
.is-loading .loader, .loader.is-leaving {
  display: grid;
  position: fixed; inset: 0; z-index: 100;
  background: var(--bg); color: var(--fg);
  padding: var(--gutter);
  grid-template-rows: 1fr auto auto;
  grid-template-columns: 1fr auto;
}
.is-loading { overflow: hidden; }
.loader__name {
  grid-row: 2; grid-column: 1; align-self: end;
  display: flex; overflow: hidden;
  font-size: clamp(56px, 13vw, 220px); line-height: .9; letter-spacing: -.035em;
  padding-bottom: .04em;
}
.loader__char { display: inline-block; transform: translateY(105%);
  animation: char-in .9s var(--ease) paused forwards; animation-delay: calc(var(--i, 0) * 40ms + 150ms); }
.loader__count {
  grid-row: 2; grid-column: 2; align-self: end;
  font-size: clamp(24px, 3vw, 44px); font-variant-numeric: tabular-nums;
  display: flex; align-items: center; gap: 12px;
}
.loader__count::before { content: ""; width: .5em; height: .5em; border-radius: 50%; background: currentColor;
  animation: pulse 1s var(--ease) infinite alternate; }
.loader__bar { grid-row: 3; grid-column: 1 / -1; height: 1px; background: rgba(127, 127, 127, .25); margin-top: 18px; }
.loader__progress { display: block; height: 100%; background: currentColor;
  transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform .4s var(--ease-out); }
.loader.fonts-ready .loader__char { animation-play-state: running; }
.loader.is-leaving { animation: loader-out 1.05s var(--ease) forwards; }
.loader.is-leaving .loader__char { animation: char-out .7s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 20ms); transform: none; }

@keyframes char-in  { to { transform: translateY(0); } }
@keyframes char-out { from { transform: none; } to { transform: translateY(-105%); } }
@keyframes pulse    { from { transform: scale(.6); } to { transform: scale(1); } }
@keyframes loader-out { 0%, 25% { clip-path: inset(0 0 0 0); } 100% { clip-path: inset(0 0 100% 0); } }

/* Content entrance after the loader / on each page */
.js .main, .js .footer { animation: page-in 1s var(--ease-out) both; }
.js.is-loading .main, .js.is-loading .footer { animation: none; opacity: 0; }
@keyframes page-in { from { opacity: 0; transform: translateY(40px); } to { opacity: 1; transform: none; } }

/* Page transitions (Chrome, Edge, Safari 18+) */
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .45s var(--ease) both; }
::view-transition-new(root) { animation: vt-in .7s var(--ease-out) .1s both; }
@keyframes vt-out { to { opacity: 0; transform: translateY(-30px); } }
@keyframes vt-in  { from { opacity: 0; transform: translateY(40px); } }

/* 7. Entrance animations on scroll --------------------------------------- */
.js [data-reveal="up"], .js [data-reveal="lines"] {
  opacity: 0; transform: translateY(28px);
  transition: opacity 1s var(--ease-out), transform 1.1s var(--ease-out);
  transition-delay: var(--d, 0ms);
}
.js [data-reveal="lines"] { transition-duration: 1.4s, 1.4s; }
/* "Ragged Edge" effect (WebGL, see assets/js/edge.js): when WebGL is active,
   images are drawn on the canvas and the HTML ones stay invisible (but in place). */
.gl-stage { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 3; }
.gl-on .media__el { visibility: hidden; }
.js [data-reveal].is-in { opacity: 1; transform: none; clip-path: inset(0 0 0 0); }

/* 8. Mobile / portrait ---------------------------------------------------- */
@media (orientation: portrait), (max-width: 760px) {
  :root { --fs-nav: 20px; }
  .nav__link--work { right: auto; left: 50%; }
  .media--banner { height: 70vh; }

  .meta { grid-template-columns: 1fr 1fr auto; row-gap: 40px; padding-bottom: 30px; font-size: 15px; }
  .meta__title { grid-column: 1 / 3; max-width: none; min-width: 0; }
  .meta .dot { grid-column: 3; grid-row: 1; }
  .meta__cats { grid-column: 1; grid-row: 2; }
  .meta__credits { grid-column: 2; grid-row: 2; }

  .project__text { margin-left: 0; }

  .grid { grid-template-columns: 1fr 1fr; }
  .media--thumb { height: 300px; }
  .card__meta { grid-template-columns: 1fr; row-gap: 8px; }

  .about { padding-top: 110px; }
  .about__intro, .cv { grid-template-columns: 1fr; }
  .about__intro { margin-bottom: 80px; }
  .about__contact { max-width: none; }
  .about__bio { font-size: 16px; line-height: 20px; margin-top: 40px; }
  .cv { margin-bottom: 80px; }
  .cv__label { margin-bottom: 20px; }
  .cv__list, .cv__awards { grid-column: 1; }
  .cv__row { grid-template-columns: 1fr; font-size: 13px; }

  .next__link { grid-template-columns: 1fr; }
  .next__preview { display: none; }
  .footer { font-size: 11px; }
}

@media (max-width: 480px) {
  .media--thumb { height: 240px; }
}

/* Reduced motion: no animations, everything visible */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .js .media__el { opacity: 1; filter: none; transform: none; }
  @view-transition { navigation: none; }
}