/* ==========================================================================
   izolir·make — Danica Antić
   Tape is the system: where two things meet on this page, tape holds the joint.
   ========================================================================== */

/* --- tokens ------------------------------------------------------------- */
:root {
  --paper:      #F1F3EF;   /* cool studio paper */
  --paper-deep: #E4E8DF;
  --ink:        #14170F;   /* text on paper / ground of the dark section */
  --ink-70:     rgba(20, 23, 15, .70);
  --ink-45:     rgba(20, 23, 15, .45);
  --rule:       rgba(20, 23, 15, .17);

  --kiwi:       #E6FF57;
  --aqua:       #8CF6E1;
  --violet:     #C77FE8;
  --signal:     #0A6A5D;

  --on-dark:    #EEF2E7;
  --on-dark-60: rgba(238, 242, 231, .60);
  --rule-dark:  rgba(238, 242, 231, .20);

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --text:    "Newsreader", Georgia, "Times New Roman", serif;

  --gutter: clamp(1.25rem, 5vw, 4.5rem);
  --pad:    clamp(4.5rem, 9vw, 8.5rem);
  --maxw:   1320px;

  /* hand-torn tape ends — asymmetric on purpose */
  --torn-h: polygon(0.7% 3%, 99.3% 0%, 100% 92%, 99% 100%, 0.4% 97%, 0% 12%);
  --torn-v: polygon(0% 0.4%, 100% 0%, 96% 12%, 100% 30%, 97% 55%, 100% 78%, 96% 92%, 100% 99.6%, 0% 100%, 3% 88%, 0% 62%, 4% 38%, 0% 18%);
}

/* --- reset -------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure, figcaption { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-optical-sizing: auto;
  font-size: clamp(1.02rem, .55vw + .9rem, 1.14rem);
  line-height: 1.66;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 99;
  background: var(--ink); color: var(--paper); padding: .8rem 1.2rem;
}
.skip:focus { left: 1rem; top: 1rem; }

:focus-visible { outline: 3px solid var(--signal); outline-offset: 3px; }

.wrap {
  width: 100%; max-width: var(--maxw);
  margin-inline: auto; padding-inline: var(--gutter);
}

/* --- type roles --------------------------------------------------------- */
.h2, .hero__h1, .proj__name, .stage__t {
  font-family: var(--display);
  font-weight: 800;
  font-stretch: 112%;
  letter-spacing: -.032em;
  line-height: .95;
  text-wrap: balance;
}

.hero__h1 {
  font-size: clamp(2.45rem, 8.8vw, 8rem);
  font-stretch: 118%;
  line-height: .9;
  letter-spacing: -.042em;
}
.h2 { font-size: clamp(1.95rem, 5.4vw, 4.4rem); }
.proj__name { font-size: clamp(1.75rem, 3.1vw, 2.6rem); font-stretch: 106%; }
.stage__t { font-size: clamp(1.5rem, 2.5vw, 2.05rem); font-stretch: 106%; }

.eyebrow, .proj__kind, .chips li, .seam__tab, .chain__cap, .chain__note,
.bar__nav, .btn, .status, .stage__no, .foot__up, .say__else {
  font-family: var(--display);
  font-stretch: 84%;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  font-size: .715rem;
  line-height: 1.4;
}

.eyebrow { color: var(--ink-45); }
.lede {
  font-size: clamp(1.12rem, 1.05vw + .85rem, 1.42rem);
  line-height: 1.52;
  max-width: 47ch;
  text-wrap: pretty;
}

/* --- tape: the highlight mark ------------------------------------------- */
.mark {
  position: relative;
  isolation: isolate;          /* keeps the tape behind the letters, not the page */
  display: inline-block;
  white-space: nowrap;         /* a wrapped mark would draw one block over both lines */
}
.mark::before {
  content: "";
  position: absolute; z-index: -1;
  left: -.13em; right: -.13em; top: .12em; bottom: .045em;
  clip-path: var(--torn-h);
  transform: rotate(-.55deg) scaleX(0);
  transform-origin: left center;
  background-image: linear-gradient(177deg, rgba(255,255,255,.2) 0 28%, rgba(255,255,255,0) 52%, rgba(0,0,0,.04) 100%);
}
.mark--kiwi::before   { background-color: var(--kiwi); }
.mark--aqua::before   { background-color: var(--aqua); }
.mark--violet::before { background-color: var(--violet); }

/* tape carries ink, never the inverted colour of a dark section */
.how .mark { color: var(--ink); }

/* --- tape: the labelled seam between sections --------------------------- */
.seam {
  position: relative;
  border-top: 1px solid var(--rule);
}
.seam--dark { border-top-color: var(--rule-dark); }
.seam__tab {
  position: absolute; top: -.78rem; left: var(--gutter); z-index: 2;
  padding: .34rem .95rem .3rem;
  color: var(--ink);
  clip-path: var(--torn-h);
  transform: rotate(-.9deg);
  box-shadow: 0 1px 0 rgba(20,23,15,.10);
}
.seam__tab--aqua   { background: var(--aqua); }
.seam__tab--kiwi   { background: var(--kiwi); }
.seam__tab--violet { background: var(--violet); }

/* --- header ------------------------------------------------------------- */
.bar {
  position: sticky; top: 0; z-index: 50;
  transition: color .3s ease;
}
/* Frosted pane on its own layer so the blur can be masked: it fades out
   downwards instead of ending on a hard edge, and the page dissolves
   through it rather than sliding under a solid bar. */
.bar::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to bottom, rgba(241, 243, 239, .66), rgba(241, 243, 239, .22));
  -webkit-backdrop-filter: blur(15px) saturate(1.4);
          backdrop-filter: blur(15px) saturate(1.4);
  -webkit-mask-image: linear-gradient(to bottom, #000 52%, rgba(0,0,0,.55) 78%, transparent 100%);
          mask-image: linear-gradient(to bottom, #000 52%, rgba(0,0,0,.55) 78%, transparent 100%);
  opacity: 0; transition: opacity .3s ease, background .3s ease;
}
.bar.is-stuck::before { opacity: 1; }

/* over the dark section the same pane inverts, so the links stay readable */
.bar.is-over-dark::before {
  background: linear-gradient(to bottom, rgba(20, 23, 15, .62), rgba(20, 23, 15, .2));
}
.bar.is-over-dark { color: var(--on-dark); }
.bar.is-over-dark .bar__nav-cta { color: var(--aqua); }
.bar.is-over-dark .bar__mark img { filter: invert(1); }
.bar__mark img { transition: filter .3s ease; }

.bar__in {
  position: relative; z-index: 1;
  max-width: var(--maxw); margin-inline: auto;
  padding: 1.05rem var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.bar__mark img { width: clamp(96px, 11vw, 150px); height: auto; }
.bar__nav { display: flex; align-items: center; gap: clamp(.9rem, 2.2vw, 2.1rem); }
.bar__nav a { white-space: nowrap; }
.bar__nav a { position: relative; padding-block: .35rem; }
.bar__nav a::after {
  content: ""; position: absolute; left: -.15em; right: -.15em; bottom: 0; height: 6px;
  background: var(--kiwi); clip-path: var(--torn-h);
  transform: scaleX(0); transform-origin: left; transition: transform .28s cubic-bezier(.2,.85,.3,1);
}
.bar__nav a:hover::after, .bar__nav a:focus-visible::after { transform: scaleX(1); }
.bar__nav-cta { color: var(--signal); }

@media (max-width: 700px) {
  .bar__nav a[href="#approach"], .bar__nav a[href="#about"] { display: none; }
}

/* --- buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .95rem 1.5rem .88rem;
  border: 1px solid var(--ink);
  transition: background-color .22s ease, color .22s ease, transform .22s ease;
}
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover, .btn--solid:focus-visible { background: var(--kiwi); color: var(--ink); }
.btn--line:hover, .btn--line:focus-visible { background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }

/* --- hero --------------------------------------------------------------- */
.hero { padding-top: clamp(2.5rem, 6vw, 5rem); }
.hero__in { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.hero__h1 { margin: clamp(1.1rem, 2.4vw, 2rem) 0 clamp(2rem, 4vw, 3.2rem); }
.hero__h1 .line { display: block; }

.hero__body {
  display: grid; gap: clamp(1.6rem, 3vw, 3.5rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: end;
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
}
.hero__body > .lede   { grid-column: 1; grid-row: 1; }
.hero__acts           { grid-column: 2; grid-row: 1; display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.hero__body > .status { grid-column: 2; grid-row: 2; margin-top: .45rem; }
.status { display: flex; align-items: center; gap: .6rem; color: var(--ink-45); }
.status__dot {
  width: 8px; height: 8px; background: var(--signal); border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(10,106,93,.5); animation: pulse 2.6s ease-out infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(10,106,93,.45); }
  70%  { box-shadow: 0 0 0 9px rgba(10,106,93,0); }
  100% { box-shadow: 0 0 0 0 rgba(10,106,93,0); }
}

@media (max-width: 900px) {
  .hero__body { grid-template-columns: 1fr; align-items: start; }
  .hero__body > .lede, .hero__acts, .hero__body > .status { grid-column: 1; grid-row: auto; }
}

/* work cropped by the fold — proof before promises */
.peek { overflow: hidden; height: clamp(84px, 17vw, 218px); border-top: 1px solid var(--rule); }
.peek__row {
  max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(.6rem, 1.4vw, 1.4rem);
  padding-top: clamp(.6rem, 1.4vw, 1.4rem);
}
.peek__row img {
  width: 100%; height: clamp(84px, 17vw, 218px);
  object-fit: cover; object-position: top center;
  border-radius: 5px 5px 0 0; border: 1px solid rgba(20, 23, 15, .11); border-bottom: 0;
}

@media (max-width: 560px) {
  .hero__acts { display: grid; grid-template-columns: 1fr; gap: .6rem; }
}

/* --- work --------------------------------------------------------------- */
.work { padding-block: var(--pad); }
.work__head { margin-bottom: clamp(1.8rem, 3.5vw, 3rem); }
.work__head .lede { margin-top: 1.4rem; }

.proj {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 4.5rem);
  align-items: center;
  padding-block: clamp(3rem, 6vw, 5.5rem);
}
.proj + .proj { border-top: 1px solid var(--rule); }
.proj--flip .proj__shots { order: 2; }

.proj__shots {
  display: grid; grid-template-columns: 1.42fr 1fr;
  gap: clamp(.7rem, 1.5vw, 1.3rem);
}
.proj__shot {
  width: 100%; border-radius: 6px;
  border: 1px solid rgba(20, 23, 15, .11);
  box-shadow: 0 14px 36px -24px rgba(20, 23, 15, .5);
}
.proj__shot--lead { grid-column: 1 / -1; }
.proj__shot--c { margin-top: clamp(1rem, 3vw, 2.6rem); }

.proj__kind { color: var(--signal); margin-bottom: .8rem; }
.proj__name { margin-bottom: 1rem; }
.proj__text p { color: var(--ink-70); max-width: 42ch; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1.5rem 0 1.6rem; }
.chips li {
  border: 1px solid var(--rule); padding: .42rem .7rem .36rem;
  color: var(--ink-70); letter-spacing: .12em;
}
.chips--dark li { border-color: var(--rule-dark); color: var(--on-dark-60); }

.golink { position: relative; display: inline-block; font-family: var(--display);
  font-stretch: 92%; font-weight: 600; font-size: .95rem; letter-spacing: -.01em; padding-bottom: .3rem; }
.golink::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 7px;
  background: var(--kiwi); clip-path: var(--torn-h);
  transform: scaleX(.999); transform-origin: left;
  transition: transform .3s cubic-bezier(.2,.85,.3,1), height .3s ease;
}
.golink:hover::after, .golink:focus-visible::after { height: 13px; }
.golink__arw { display: inline-block; transition: transform .25s ease; }
.golink:hover .golink__arw { transform: translate(3px, -3px); }

@media (max-width: 900px) {
  .proj { grid-template-columns: 1fr; }
  .proj--flip .proj__shots { order: 0; }
}

/* --- approach (dark) ---------------------------------------------------- */
.how { background: var(--ink); color: var(--on-dark); padding-bottom: var(--pad); }
.how .lede, .how p { color: var(--on-dark-60); }
.how__head { padding-top: clamp(4rem, 8vw, 7rem); margin-bottom: clamp(2.8rem, 5vw, 4.5rem); }
.how__head .lede { margin-top: 1.5rem; max-width: 58ch; }

/* the argument, drawn */
.chain {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(1.6rem, 3vw, 2.4rem) clamp(3rem, 6vw, 5rem);
}
.chain__cap { color: var(--on-dark-60); margin-bottom: 1rem;
  font-family: var(--display); font-stretch: 84%; font-weight: 600;
  letter-spacing: .15em; text-transform: uppercase; font-size: .715rem; }
.chain__cap--on { color: var(--kiwi); }
.chain__cut { display: flex; align-items: stretch; gap: .3rem; min-height: 46px; }
.chain__seg {
  flex: 1 1 0; min-width: 0; display: grid; place-items: center; text-align: center;
  border: 1px dashed var(--rule-dark); color: var(--on-dark-60);
  padding: .5rem .35rem .44rem;
  font-family: var(--display); font-stretch: 84%; font-weight: 600;
  letter-spacing: .11em; text-transform: uppercase; font-size: .66rem;
}
.chain__x { display: grid; place-items: center; color: rgba(238,242,231,.5); font-size: 1.05rem; flex: 0 0 auto; padding-inline: .1rem; }
.chain__whole {
  display: flex; align-items: center; justify-content: center; min-height: 46px;
  background: var(--kiwi); color: var(--ink);
  padding: .5rem 1rem .44rem;
  clip-path: var(--torn-h); transform: rotate(-.5deg);
  font-family: var(--display); font-stretch: 84%; font-weight: 700;
  letter-spacing: .13em; text-transform: uppercase; font-size: .68rem;
}
.chain__note { margin-top: .9rem; color: rgba(238,242,231,.42); letter-spacing: .1em; }
.chain__note--on { color: var(--on-dark-60); }

@media (max-width: 760px) {
  .chain { grid-template-columns: 1fr; gap: 2.2rem; }
  .chain__cut { flex-direction: column; align-items: stretch; gap: .28rem; }
}

/* four stages, threaded by one unbroken strip */
.stages { position: relative; }
.stages__strip {
  position: absolute; left: calc(var(--gutter) + 1.5rem); top: -1.1rem; bottom: 2.5rem; width: 2.3rem;
  pointer-events: none;
}
.stages__strip i {
  display: block; height: 100%; background: var(--kiwi);
  clip-path: var(--torn-v);
  background-image: linear-gradient(92deg, rgba(255,255,255,.45) 0 30%, rgba(255,255,255,0) 55%, rgba(0,0,0,.09) 100%);
  transform: scaleY(0); transform-origin: top center;
  transition: transform 1.15s cubic-bezier(.25,.8,.3,1);
}
.stages.is-drawn .stages__strip i { transform: scaleY(1); }

.stage { position: relative; padding: 0 0 clamp(2.4rem, 4.5vw, 3.6rem) clamp(5rem, 8vw, 7rem); }
.stage:last-child { padding-bottom: 0; }
.stage__no {
  position: absolute; left: 1.5rem; top: .35rem;
  width: 2.3rem; height: 1.4rem;
  display: grid; place-items: center;
  color: var(--ink);              /* the strip behind it is the background */
  letter-spacing: .06em; font-size: .68rem;
}
.stage__t { margin-bottom: .75rem; color: var(--on-dark); }
.stage p { max-width: 52ch; }

@media (min-width: 1000px) {
  .stage {
    display: grid; align-items: start;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .78fr);
    column-gap: clamp(2rem, 4vw, 4.5rem);
  }
  .stage__t    { grid-area: 1 / 1; }
  .stage > p   { grid-area: 2 / 1; }
  .stage .chips { grid-area: 1 / 2 / 3 / 3; margin: .5rem 0 0; align-content: flex-start; }
}

@media (max-width: 640px) {
  .stages__strip { left: calc(var(--gutter) + .35rem); width: 1.9rem; }
  .stage { padding-left: 3.2rem; }
  .stage__no { left: .35rem; width: 1.9rem; font-size: .62rem; }
}

/* --- about -------------------------------------------------------------- */
.about {
  padding-block: var(--pad);
  display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.about__fig { position: relative; }
.about__fig img { width: 100%; border-radius: 6px; filter: contrast(1.04); }
.about .h2 { font-size: clamp(1.95rem, 4vw, 3.4rem); }
.about__text p { color: var(--ink-70); max-width: 50ch; }
.about__text .h2 { margin-bottom: 1.6rem; }
.about__text p + p { margin-top: 1.1rem; }
.about__text .about__where { color: var(--ink-45); margin-top: 1.7rem; }

@media (max-width: 860px) {
  .about { grid-template-columns: 1fr; }
  .about__fig { max-width: 26rem; }
}

/* --- contact ------------------------------------------------------------ */
.say { padding-block: var(--pad); }
.say .lede { margin-top: 1.5rem; max-width: 54ch; }
.say__mail {
  display: inline-block; margin-top: clamp(2.2rem, 4vw, 3.4rem);
  font-family: var(--display); font-weight: 800; font-stretch: 100%;
  font-size: clamp(1.2rem, 4.1vw, 3.5rem); letter-spacing: -.035em;
  position: relative; padding-bottom: .28rem; word-break: break-word;
}
.say__mail::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 9px;
  background: var(--kiwi); clip-path: var(--torn-h);
  transform-origin: left; transition: height .3s ease;
}
.say__mail:hover::after, .say__mail:focus-visible::after { height: 44%; }

.say__else { display: flex; gap: 1.6rem; margin-top: clamp(2rem, 3.5vw, 3rem); }
.say__else a { color: var(--ink-45); transition: color .2s ease; }
.say__else a:hover, .say__else a:focus-visible { color: var(--ink); }

/* --- footer ------------------------------------------------------------- */
.foot { border-top: 1px solid var(--rule); padding-block: 2.2rem 2.6rem; }
.foot__in { display: flex; flex-wrap: wrap; gap: 1rem 2rem; align-items: baseline; justify-content: space-between; }
.foot__who { font-size: .95rem; color: var(--ink-70); }
.foot__who strong { font-family: var(--display); font-weight: 700; font-stretch: 92%; color: var(--ink); }
.foot__up { color: var(--ink-45); }
.foot__up:hover { color: var(--ink); }

/* --- reveal ------------------------------------------------------------- */
.js .reveal { opacity: 0; transform: translateY(15px); }   /* no JS → nothing hides */
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .62s cubic-bezier(.2,.7,.3,1) var(--d, 0ms),
              transform .62s cubic-bezier(.2,.7,.3,1) var(--d, 0ms);
}
/* the one orchestrated moment: the tape swipes on after its line lands */
.reveal.is-in .mark::before {
  transform: rotate(-.55deg) scaleX(1);
  transition: transform .46s cubic-bezier(.16,.84,.28,1) calc(var(--d, 0ms) + 240ms);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .mark::before { transform: rotate(-.55deg) scaleX(1) !important; }
  .stages__strip i { transform: scaleY(1) !important; }
}