/* ============================================================
   Kateryna Popravkina — portfolio
   ============================================================ */

:root {
  --crimson:        #A8121A;
  --crimson-deep:   #7A0A10;
  --crimson-darker: #5A050A;
  --crimson-light:  #C4202B;
  --cream:          #FBE8C7;
  --cream-deep:     #F3DCB1;
  --ink:            #1A0405;

  --f-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --f-serif:   'Cormorant Garamond', 'EB Garamond', serif;
  --f-body:    'Inter', system-ui, sans-serif;

  --maxw: 1680px;
  --gutter: clamp(1.25rem, 3.5vw, 3rem);

  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease:     cubic-bezier(.65,0,.35,1);

  --vh: 100vh;
}

@supports (height: 100dvh) { :root { --vh: 100dvh; } }

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* Lenis smooth-scroll resets */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }
.lenis.lenis-scrolling iframe { pointer-events: none; }

body {
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--cream);
  background: var(--crimson);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  cursor: none;
}

@media (pointer: coarse), (hover: none) { body { cursor: auto; } }

img { max-width: 100%; display: block; height: auto; }
a   { color: inherit; text-decoration: none; }
button { font: inherit; background: none; border: none; color: inherit; cursor: pointer; }
::selection { background: var(--cream); color: var(--crimson); }

.skip-link {
  position: fixed; top: -100px; left: 1rem; padding: .5rem 1rem;
  background: var(--cream); color: var(--crimson); z-index: 200; border-radius: 2px;
  font-weight: 600; font-size: .875rem;
}
.skip-link:focus { top: 1rem; }

/* ============================================================
   Letter-mask reveal (hero name)
   ============================================================ */

.lr-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
  line-height: 1;
}
.lr-char {
  display: inline-block;
  transform: translate3d(0, 110%, 0);
  opacity: 0;
  will-change: transform, opacity;
  transition:
    transform 1.0s cubic-bezier(.2, .9, .25, 1) var(--d, 0s),
    opacity .6s ease var(--d, 0s);
}
.hero-name.is-revealed .lr-char {
  transform: translate3d(0, 0, 0);
  opacity: 1;
}

/* ============================================================
   Scroll progress + cursor
   ============================================================ */

.progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: rgba(251,232,199,.12); z-index: 100; pointer-events: none;
}
.progress span {
  display: block; height: 100%; width: 0;
  background: var(--cream); transform-origin: left;
}

.cursor, .cursor-dot {
  position: fixed; top: 0; left: 0; pointer-events: none; z-index: 999;
  border-radius: 50%; will-change: transform;
  mix-blend-mode: difference;
}
.cursor {
  width: 32px; height: 32px;
  border: 1.5px solid var(--cream);
  transform: translate(-50%, -50%);
  transition: width .25s var(--ease-out), height .25s var(--ease-out), border-color .25s;
}
.cursor-dot {
  width: 4px; height: 4px;
  background: var(--cream);
  transform: translate(-50%, -50%);
}
.cursor.is-hover { width: 56px; height: 56px; border-color: var(--cream); }
.cursor.is-view {
  width: 92px; height: 92px;
  background: rgba(251,232,199,.08);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.cursor.is-view::before {
  content: 'View';
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .7rem; letter-spacing: .25em;
  text-transform: uppercase;
  color: var(--cream);
  position: absolute; inset: 0;
  display: grid; place-items: center;
  mix-blend-mode: normal;
}
@media (pointer: coarse), (hover: none) { .cursor, .cursor-dot { display: none; } }

/* ============================================================
   Header
   ============================================================ */

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem var(--gutter);
  font-size: .875rem;
  letter-spacing: .04em;
  font-weight: 500;
  transition: transform .35s var(--ease-out), background-color .3s ease;
}
.site-header.is-hidden { transform: translateY(-120%); }
.site-header.is-scrolled {
  background: rgba(168, 18, 26, .82);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
}
.site-header.over-cream { color: var(--crimson); }
.site-header.over-cream.is-scrolled {
  background: rgba(251,232,199,.82);
}

.brand { display: inline-flex; align-items: center; gap: .65rem; }
.brand-mark { width: 28px; height: 28px; color: currentColor; display: inline-block; }
.brand-mark svg { width: 100%; height: 100%; }
.brand-text { font-weight: 600; letter-spacing: .03em; }

.nav { display: flex; gap: clamp(1rem, 2.5vw, 2.25rem); }
.nav a {
  position: relative; padding: .35rem 0;
  font-weight: 500;
}
.nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right;
  transition: transform .4s var(--ease-out);
}
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

@media (max-width: 560px) {
  .brand-text { display: none; }
  .nav { gap: 1.25rem; }
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  position: relative;
  min-height: var(--vh);
  display: grid; place-items: center;
  padding: 6rem var(--gutter) 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  justify-content: space-between;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.hero-marquee {
  display: flex; gap: 2rem;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(8rem, 18vw, 17rem);
  line-height: .85;
  letter-spacing: -.03em;
  color: var(--crimson-deep);
  white-space: nowrap;
  will-change: transform;
  animation: marqueeL calc(38s / var(--mq-speed, 1)) linear infinite;
}
.hero-marquee-2 { animation: marqueeR calc(44s / var(--mq-speed, 1)) linear infinite; opacity: .92; }
.hero-marquee-3 { animation: marqueeL calc(50s / var(--mq-speed, 1)) linear infinite; opacity: .85; }
.hero-marquee-4 { animation: marqueeR calc(42s / var(--mq-speed, 1)) linear infinite; opacity: .92; }
.hero-marquee-5 { animation: marqueeL calc(36s / var(--mq-speed, 1)) linear infinite; opacity: .82; }

.hero-marquee span { padding-right: 2rem; }

@keyframes marqueeL { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marqueeR { from { transform: translateX(-50%); } to { transform: translateX(0); } }

.hero-inner {
  position: relative; z-index: 2;
  display: grid; gap: clamp(1.25rem, 3vw, 2.25rem);
  justify-items: center; text-align: center;
}

.hero-monogram {
  width: clamp(110px, 14vw, 170px);
  color: var(--cream);
}
.hero-monogram svg { width: 100%; height: 100%; }

.hero-name {
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(3rem, 9vw, 8.5rem);
  line-height: .96;
  letter-spacing: -.005em;
  color: var(--cream);
  display: grid; gap: .15em;
}
.hero-name > span { display: block; font-feature-settings: "lnum","kern"; }

.hero-tag {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(.8rem, 1.1vw, 1rem);
  letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: .82;
}

.hero-email {
  position: absolute;
  bottom: clamp(1.5rem, 3vw, 2.5rem); right: var(--gutter);
  z-index: 3;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(.85rem, 1.1vw, 1rem);
  letter-spacing: .02em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  transition: opacity .3s;
}
.hero-email:hover { opacity: .7; }

.hero-scroll {
  position: absolute;
  bottom: clamp(1.5rem, 3vw, 2.5rem); left: var(--gutter);
  z-index: 3;
  display: inline-flex; align-items: center; gap: .55rem;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: .8rem; letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--cream);
}
.hero-scroll svg { width: 14px; height: 14px; animation: bob 2.4s ease-in-out infinite; }

@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: .9; }
  50%      { transform: translateY(4px); opacity: 1; }
}

/* ============================================================
   ABOUT
   ============================================================ */

.about {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  min-height: 100vh;
}
@media (max-width: 900px) { .about { grid-template-columns: 1fr; } }

.about-portrait {
  position: relative; overflow: hidden;
  background: var(--crimson-deep);
}
.about-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  min-height: 60vh;
  will-change: transform;
}

.about-panel {
  background: var(--crimson);
  padding: clamp(3.5rem, 8vw, 7rem) clamp(2rem, 6vw, 6rem);
  display: grid;
  align-content: center;
  gap: clamp(1.25rem, 2vw, 1.75rem);
}

.about-heading {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(5rem, 16vw, 14rem);
  line-height: .82;
  letter-spacing: -.045em;
  color: var(--cream);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.about-heading > span { display: block; }

.about-lede {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.5;
  color: var(--cream);
  max-width: 38ch;
}

.about-body, .about-bio {
  font-size: clamp(.95rem, 1.05vw, 1.0625rem);
  line-height: 1.65;
  max-width: 42ch;
  color: rgba(251,232,199,.86);
}
.about-bio {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(251,232,199,.22);
  margin-top: .5rem;
  font-size: .95rem;
}

/* ============================================================
   WORK INTRO (TOC)
   ============================================================ */

.work-intro {
  background: var(--cream);
  color: var(--crimson);
  padding: clamp(5rem, 10vw, 9rem) var(--gutter);
}
.work-intro-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
@media (max-width: 900px) {
  .work-intro-grid { grid-template-columns: 1fr; gap: 2.5rem; align-items: start; }
}

.work-intro-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(4rem, 11vw, 11rem);
  line-height: .85;
  letter-spacing: -.04em;
}

.work-toc { list-style: none; display: grid; gap: 1.25rem; }
.work-toc a {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  grid-template-rows: auto auto;
  column-gap: 1.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(168,18,26,.22);
  align-items: baseline;
  transition: padding-left .35s var(--ease-out);
}
.work-toc li:last-child a { border-bottom: 1px solid rgba(168,18,26,.22); }
.work-toc a:hover { padding-left: 1rem; }

.work-toc .num {
  grid-row: 1 / span 2;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 1.8vw, 1.8rem);
  letter-spacing: -.02em;
}
.work-toc .label {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  letter-spacing: -.01em;
}
.work-toc .sub {
  font-size: .9rem;
  color: rgba(168,18,26,.6);
  letter-spacing: .02em;
}

/* ============================================================
   CATEGORY SECTIONS
   ============================================================ */

.cat {
  padding: clamp(5rem, 10vw, 10rem) 0 clamp(4rem, 8vw, 8rem);
  position: relative;
}

.cat-cream { background: var(--cream); color: var(--crimson); }
.cat-cream::after { background: var(--cream); }

.cat-header {
  padding: 0 var(--gutter) clamp(3rem, 6vw, 5rem);
  max-width: var(--maxw); margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  align-items: end;
  gap: clamp(1rem, 3vw, 3rem);
}
@media (max-width: 800px) {
  .cat-header { grid-template-columns: 1fr; gap: 1rem; }
}

.cat-num {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(5rem, 18vw, 18rem);
  line-height: .82;
  letter-spacing: -.06em;
  color: currentColor;
  opacity: .96;
  align-self: end;
  position: sticky;
  top: clamp(1rem, 4vw, 3rem);
  z-index: 2;
  pointer-events: none;
  mix-blend-mode: normal;
  transition: transform .8s var(--ease-out), opacity .8s var(--ease-out);
}
@media (max-width: 800px) {
  .cat-num { position: static; }
}

.cat-title {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 4.25rem);
  line-height: 1;
  letter-spacing: -.025em;
  align-self: end;
  padding-bottom: .35em;
}

.cat-blurb {
  grid-column: 2;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.6;
  opacity: .78;
  padding-top: 1rem;
  border-top: 1px solid currentColor;
}
@media (max-width: 800px) { .cat-blurb { grid-column: 1; } }

/* ============================================================
   PROJECT BLOCK
   ============================================================ */

.project {
  max-width: var(--maxw); margin: 0 auto;
  padding: clamp(3rem, 6vw, 5rem) var(--gutter);
  display: flex; flex-direction: column;
  gap: clamp(2rem, 4vw, 3.5rem);
  position: relative;
}
.project + .project { border-top: 1px solid currentColor; }
.cat:not(.cat-cream) .project + .project { border-top-color: var(--crimson-deep); }
.cat-cream .project + .project { border-top-color: rgba(168,18,26,.22); }

.project-text {
  display: grid; gap: 1.5rem;
  align-content: start;
  max-width: 60ch;
}

.project-tag {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .75rem; letter-spacing: .25em;
  text-transform: uppercase;
  opacity: .72;
}

.project-name {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  line-height: .92;
  letter-spacing: -.04em;
  margin-bottom: .5rem;
  cursor: default;
}
.pn-letter {
  display: inline-block;
  transition: transform .55s cubic-bezier(.2,.9,.25,1);
  transition-delay: calc(var(--i) * 18ms);
  will-change: transform;
}
.project-name:hover .pn-letter {
  transform: translateY(-.18em) rotate(-2deg);
}
.project-name:hover .pn-letter:nth-child(odd) { transform: translateY(-.22em) rotate(2deg); }

.project-section h4 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: .25rem;
}
.project-section p {
  font-size: clamp(.95rem, 1.02vw, 1.0625rem);
  line-height: 1.7;
  color: currentColor;
  opacity: .88;
}

.project-image,
.project-image-tall,
.about-portrait {
  position: relative; overflow: hidden;
  background: rgba(0,0,0,.12);
}
.js-reveal .project-image,
.js-reveal .project-image-tall,
.js-reveal .about-portrait {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.2s cubic-bezier(.65,.05,.36,1);
}
.js-reveal .project-image.is-revealed,
.js-reveal .project-image-tall.is-revealed,
.js-reveal .about-portrait.is-revealed {
  clip-path: inset(0 0 0 0);
}
.cat-cream .project-image,
.cat-cream .project-image-tall { background: rgba(168,18,26,.06); }

.project-image-tall {
  aspect-ratio: 1 / 1;
}

.project-image-tall img,
.project-image img,
.about-portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  will-change: transform;
  transition: transform .6s var(--ease-out);
}
.project-image-tall:hover img { transform: scale(1.05) !important; }

.project-image-wide {
  display: grid; gap: .75rem;
}
.js-reveal .project-image-wide {
  clip-path: inset(0 0 100% 0);
  transition: clip-path 1.2s cubic-bezier(.65,.05,.36,1);
}
.js-reveal .project-image-wide.is-revealed { clip-path: inset(0 0 0 0); }
.project-image-wide img {
  width: 100%; height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  will-change: transform;
}
.project-image-wide figcaption {
  font-size: .85rem;
  opacity: .68;
  max-width: 60ch;
  letter-spacing: .01em;
}

.project-feature .project-image-tall { aspect-ratio: 1 / 1.1; }
.project-feature .project-image-wide:last-child img { aspect-ratio: 16 / 10; }

.project-link-row { margin-top: .5rem; }
.project-link {
  display: inline-flex; align-items: center; gap: .65rem;
  padding: .9rem 1.2rem;
  border: 1px solid currentColor;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .9rem; letter-spacing: .02em;
  transition: background .35s, color .35s;
}
.project-link svg { width: 16px; height: 16px; transition: transform .35s var(--ease-out); }
.project-link:hover { background: currentColor; }
.cat-cream .project-link:hover { color: var(--cream); }
.cat:not(.cat-cream) .project-link:hover { color: var(--crimson); }
.project-link:hover svg { transform: translateX(4px); color: inherit; }

/* ============================================================
   CONTACT
   ============================================================ */

.contact {
  min-height: 100vh;
  background: var(--crimson);
  padding: clamp(5rem, 10vw, 9rem) var(--gutter) clamp(3rem, 6vw, 5rem);
  display: grid;
  align-content: center;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  max-width: 100%;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 100%, rgba(196,32,43,.4), transparent 60%),
    radial-gradient(ellipse at 80% 0%,   rgba(122,10,16,.6), transparent 55%);
  pointer-events: none;
}

.contact::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle 380px at var(--mx, 50%) var(--my, 50%),
    rgba(251,232,199,.18),
    rgba(251,232,199,.06) 30%,
    transparent 70%);
  pointer-events: none;
  transition: background .15s ease-out;
  mix-blend-mode: screen;
}

.contact > * { position: relative; z-index: 1; }

.contact-eyebrow {
  font-family: var(--f-display);
  font-weight: 600;
  font-size: .8rem; letter-spacing: .35em;
  text-transform: uppercase;
  color: var(--cream);
  opacity: .72;
}

.contact-headline {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 14vw, 13rem);
  line-height: .82;
  letter-spacing: -.045em;
  color: var(--cream);
  display: grid;
}
.contact-headline > span { display: block; }
.contact-headline .contact-em {
  font-family: var(--f-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -.01em;
  padding-left: clamp(1rem, 4vw, 3rem);
}

.contact-email {
  display: inline-flex; align-items: center; gap: 1rem;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.6vw, 1.5rem);
  margin-top: clamp(1rem, 2vw, 2rem);
  padding: 1rem 0;
  border-bottom: 1px solid var(--cream);
  align-self: start;
  transition: gap .35s var(--ease-out), transform .25s cubic-bezier(.2,.9,.25,1);
  will-change: transform;
}
.contact-email svg { width: 24px; height: 24px; transition: transform .35s var(--ease-out); }
.contact-email:hover { gap: 1.5rem; }
.contact-email:hover svg { transform: translateX(8px); }

.socials {
  list-style: none;
  display: flex; flex-wrap: wrap;
  gap: clamp(.5rem, 1.5vw, 1.25rem);
  margin-top: clamp(1.5rem, 3vw, 2.5rem);
}
.socials a {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .85rem 1.15rem;
  border: 1px solid var(--cream);
  border-radius: 999px;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: .9rem;
  color: var(--cream);
  transition: background .35s, color .35s, transform .35s;
}
.socials a:hover {
  background: var(--cream); color: var(--crimson);
  transform: translateY(-2px);
}
.socials iconify-icon { font-size: 1.2rem; line-height: 1; }

/* ============================================================
   FOOTER
   ============================================================ */

.site-footer {
  background: var(--crimson-darker);
  padding: 2rem var(--gutter);
  font-size: .8rem;
  letter-spacing: .04em;
  color: rgba(251,232,199,.65);
}
.footer-row {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 1rem;
}
.footer-row a:hover { color: var(--cream); }

/* ============================================================
   Reveal
   ============================================================ */

[data-reveal] > * {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
[data-reveal].is-visible > *:nth-child(1) { transition-delay: 0s; }
[data-reveal].is-visible > *:nth-child(2) { transition-delay: .08s; }
[data-reveal].is-visible > *:nth-child(3) { transition-delay: .16s; }
[data-reveal].is-visible > *:nth-child(4) { transition-delay: .24s; }
[data-reveal].is-visible > *:nth-child(5) { transition-delay: .32s; }
[data-reveal].is-visible > * {
  opacity: 1; transform: translateY(0);
}

.hero[data-reveal] > * { transition-duration: 1.4s; }
.hero[data-reveal].is-visible .hero-inner > * { transition-delay: .15s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] > * { opacity: 1; transform: none; }
  .hero-marquee { animation: none; }
}