/* =========================================================
   arnolt.id — single-page portfolio
   ========================================================= */

:root {
  --bg: #0a0a0a;
  --bg-2: #121212;
  --panel: #161616;
  --text: #ededed;
  --muted: #8a8a8a;
  --dim: #575757;
  --line: rgba(255, 255, 255, 0.12);
  --tape: #d6d6d6;
  --tape-ink: #161616;

  --gutter: clamp(16px, 3.2vw, 48px);
  --maxw: 1440px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --fs-xs: 0.6875rem;   /* 11px labels */
  --fs-sm: 0.8125rem;   /* 13px small text */
  --fs-md: 1rem;
  --fs-lg: clamp(1.5rem, 2.6vw, 2.5rem);
  --fs-xl: clamp(2rem, 4.6vw, 4.5rem);
  --fs-hero: clamp(2.6rem, 5.6vw, 7rem);

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Archivo", "Helvetica Neue", Arial, sans-serif;
  font-size: var(--fs-md);
  line-height: 1.5;
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
ol, ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p, figure { margin: 0; }

::selection { background: var(--text); color: var(--bg); }

:focus-visible { outline: 1px solid var(--text); outline-offset: 4px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip {
  position: fixed; left: 16px; top: -60px; z-index: 200;
  padding: 10px 14px; background: var(--text); color: var(--bg);
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.06em;
}
.skip:focus { top: 16px; }

.noscript { padding: 40px var(--gutter); text-align: center; }

/* ---------- shared bits ---------- */

.label {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text);
}
.label::before,
.label::after { content: ""; width: 4px; height: 4px; background: currentColor; }

.dots { display: inline-flex; gap: 4px; }
.dots::before,
.dots::after { content: ""; width: 7px; height: 7px; background: var(--text); }

.small-text {
  font-size: var(--fs-sm); line-height: 1.55; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.02em; max-width: 46ch;
}

.is-muted { color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 6px;
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap;
  color: var(--text);
  transition: color 0.3s var(--ease), opacity 0.3s;
  position: relative;
}
.btn::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 6px; height: 1px;
  background: currentColor; transform: scaleX(0); transform-origin: right;
  transition: transform 0.5s var(--ease);
}
.btn:hover::after { transform: scaleX(1); transform-origin: left; }
.btn--light { color: #fff; }

.chip {
  display: inline-block; padding: 5px 10px; background: var(--text); color: var(--bg);
  font-size: 0.625rem; letter-spacing: 0.08em; text-transform: uppercase;
}

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tags li {
  padding: 4px 9px; border: 1px solid var(--line);
  font-size: 0.625rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

/* corner-marked frame */
.frame { position: relative; padding: 10px; }
.frame img { width: 100%; height: 100%; object-fit: cover; }
.frame > i { position: absolute; width: 6px; height: 6px; background: var(--text); }
.frame > i:nth-of-type(1) { left: 0; top: 0; }
.frame > i:nth-of-type(2) { right: 0; top: 0; }
.frame > i:nth-of-type(3) { left: 0; bottom: 0; }
.frame > i:nth-of-type(4) { right: 0; bottom: 0; }

section { position: relative; }

/* ---------- preloader ---------- */

.preloader {
  position: fixed; inset: 0; z-index: 150;
  background: var(--bg);
  display: grid; place-items: center;
  pointer-events: none;
  /* failsafe: never cover the page for good if a script breaks */
  animation: preloader-failsafe 0.4s 7s forwards;
}
@keyframes preloader-failsafe { to { opacity: 0; visibility: hidden; } }
.js .preloader { pointer-events: auto; }
html:not(.js) .preloader { display: none; }
.preloader__mark { overflow: hidden; }
.preloader__mark span {
  display: block;
  font-size: clamp(2.5rem, 9vw, 7rem); font-weight: 800; letter-spacing: -0.04em;
  font-variation-settings: "wdth" 125; line-height: 1;
}
.preloader__count {
  position: absolute; right: var(--gutter); bottom: var(--gutter);
  font-size: var(--fs-xs); letter-spacing: 0.08em; color: var(--muted);
}
.preloader__count::after { content: " %"; }

/* ---------- cursor ---------- */

.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  .has-cursor .cursor {
    display: grid; place-items: center;
    position: fixed; left: 0; top: 0; z-index: 120;
    width: 10px; height: 10px; margin: -5px 0 0 -5px;
    border-radius: 50%; background: #fff; mix-blend-mode: difference;
    pointer-events: none;
    transition: width 0.4s var(--ease), height 0.4s var(--ease), margin 0.4s var(--ease);
  }
  .has-cursor .cursor.is-big { width: 84px; height: 84px; margin: -42px 0 0 -42px; }
  .cursor__label {
    font-size: 0.625rem; letter-spacing: 0.08em; text-transform: uppercase; color: #000;
    opacity: 0; transition: opacity 0.25s;
  }
  .cursor.is-big .cursor__label { opacity: 1; }
}

/* ---------- header ---------- */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 90;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: start;
  padding: 18px var(--gutter);
  mix-blend-mode: difference; color: #fff;
  transition: transform 0.6s var(--ease);
}
.nav.is-hidden { transform: translateY(-110%); }
.nav__mark {
  grid-column: 2; justify-self: center;
  font-size: 1.75rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1;
  font-variation-settings: "wdth" 125;
}
.nav__links {
  grid-column: 1; grid-row: 1; justify-self: start;
  display: flex; gap: 22px; padding-top: 8px;
}
.nav__links a,
.nav__cta,
.nav__toggle {
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase;
  position: relative;
}
.nav__links a { display: inline-flex; align-items: center; gap: 22px; }
.nav__links a + a::before {
  content: ""; width: 4px; height: 4px; background: currentColor; margin-left: -13px; margin-right: -9px;
}
.nav__links a:hover,
.nav__cta:hover { opacity: 0.6; }
.nav__cta { grid-column: 3; justify-self: end; padding-top: 8px; }
.nav__toggle { display: none; }

.menu {
  position: fixed; inset: 0; z-index: 85;
  background: var(--bg);
  display: flex; align-items: flex-end;
  padding: 90px var(--gutter) 40px;
}
.menu[hidden] { display: none; }
.menu nav { display: grid; gap: 4px; width: 100%; }
.menu a {
  display: flex; align-items: baseline; gap: 12px;
  font-size: clamp(2rem, 10vw, 3.5rem); line-height: 1.05; text-transform: uppercase;
  font-variation-settings: "wdth" 112; font-weight: 500;
  border-bottom: 1px solid var(--line); padding: 6px 0;
}
.menu small { font-size: var(--fs-xs); color: var(--muted); }

@media (max-width: 900px) {
  .nav { grid-template-columns: 1fr auto; align-items: center; }
  .nav__mark { grid-column: 1; justify-self: start; font-size: 1.5rem; }
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; grid-column: 2; }
}

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr minmax(220px, 24vw) 1fr;
  grid-template-rows: 1fr auto auto auto;
  column-gap: var(--gutter);
  padding: 120px var(--gutter) 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 32%, #5a5d60 0%, #2d2f31 45%, #151617 80%),
    #151617;
  overflow: clip;
  isolation: isolate;
}
.hero__grain {
  position: absolute; inset: -50%; z-index: -1; opacity: 0.08; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero__cross { position: absolute; width: 9px; height: 9px; opacity: 0.45; pointer-events: none; }
.hero__cross::before,
.hero__cross::after { content: ""; position: absolute; background: #fff; }
.hero__cross::before { left: 4px; top: 0; width: 1px; height: 9px; }
.hero__cross::after { top: 4px; left: 0; height: 1px; width: 9px; }
.hero__cross--1 { left: 22%; top: 24%; }
.hero__cross--2 { right: 18%; top: 30%; }
.hero__cross--3 { left: 12%; bottom: 34%; }

.hero__collage {
  grid-column: 2; grid-row: 1 / 3;
  position: relative; align-self: stretch;
  min-height: 420px;
}
.hero__collage figure {
  position: absolute; overflow: hidden;
  background: #222;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}
.hero__collage img { width: 100%; height: 100%; object-fit: cover; object-position: left top; filter: grayscale(1) contrast(1.05); }
.hero__collage figure:nth-child(1) { top: 0;   left: 4%;  width: 80%;  aspect-ratio: 16 / 10; z-index: 2; }
.hero__collage figure:nth-child(2) { top: 27%; left: 22%; width: 72%;  aspect-ratio: 16 / 10; z-index: 3; }
.hero__collage figure:nth-child(3) { bottom: 0; left: 0;   width: 96%;  aspect-ratio: 16 / 10; z-index: 1; } /* anchored to the bottom so it never covers the buttons */
.hero__collage figure:nth-child(4) { top: 9%;  left: 80%; width: 42%;  aspect-ratio: 16 / 10;  z-index: 1; }
.hero__collage figure:nth-child(5) { top: 14%; left: -30%; width: 40%; aspect-ratio: 16 / 10; z-index: 4; }

.hero__title {
  grid-column: 1 / -1; grid-row: 2;
  display: grid; grid-template-columns: 1fr minmax(220px, 24vw) 1fr; column-gap: var(--gutter);
  align-items: center;
  position: relative; z-index: 4;
  font-size: var(--fs-hero); font-weight: 400; line-height: 0.9;
  text-transform: uppercase; letter-spacing: -0.01em;
  font-variation-settings: "wdth" 100;
  pointer-events: none;
}
.hero__word { display: block; white-space: nowrap; }
.hero__word--left { grid-column: 1; }
.hero__word--right { grid-column: 3; justify-self: end; text-align: right; }
.hero__rule {
  position: absolute; left: calc(var(--gutter) * -1); right: calc(var(--gutter) * -1); top: 50%;
  height: 1px; background: rgba(255, 255, 255, 0.28); z-index: -1;
}

.hero__intro,
.hero__side {
  grid-row: 3; display: flex; gap: 22px; align-items: flex-start; padding-top: 28px;
  position: relative; z-index: 4;
}
.hero__intro { grid-column: 1; }
.hero__side { grid-column: 3; justify-content: flex-end; text-align: left; }
.hero__intro p,
.hero__side p {
  font-size: var(--fs-xs); line-height: 1.6; letter-spacing: 0.04em; text-transform: uppercase;
  max-width: 34ch; color: #d6d6d6;
}
.hero__intro .dots { padding-top: 4px; }
.hero__side .dots { padding-top: 4px; order: 2; }

.hero__actions {
  grid-column: 1 / -1; grid-row: 4;
  display: flex; justify-content: center; gap: 18px;
  padding: 18px 0 150px; position: relative; z-index: 6;
}

/* ---------- tapes ---------- */

.tapes { position: absolute; inset: auto 0 0 0; height: 200px; z-index: 5; pointer-events: none; }
.tape {
  position: absolute; left: -10%; width: 120%;
  background: var(--tape); color: var(--tape-ink);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  overflow: hidden;
}
.tape::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35), transparent 40%, rgba(0, 0, 0, 0.12));
}
.tape--a { bottom: 64px; transform: rotate(-3.2deg); }
.tape--b { bottom: 14px; transform: rotate(2deg); background: #bdbdbd; }
.tape__track {
  display: flex; width: max-content; will-change: transform;
}
.tape__group { display: flex; }
.tape__track span {
  display: inline-flex; align-items: center; gap: 18px;
  padding: 11px 18px 11px 0;
  font-size: 0.8125rem; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap;
  font-variation-settings: "wdth" 110;
}
.tape__track span::after {
  content: ""; width: 16px; height: 7px;
  background: linear-gradient(90deg, currentColor 0 7px, transparent 7px 9px, currentColor 9px 16px);
}

/* ---------- about / statement ---------- */

.statement {
  padding: clamp(120px, 16vw, 220px) var(--gutter) clamp(40px, 5vw, 70px);
  text-align: center;
  overflow: clip;
}
.dots--center { justify-content: center; margin-bottom: 36px; }
.statement__text,
.closing__text {
  max-width: 17ch; margin: 0 auto;
  font-size: var(--fs-xl); font-weight: 500; line-height: 1.02;
  text-transform: uppercase; letter-spacing: -0.01em;
  font-variation-settings: "wdth" 104;
  position: relative; z-index: 2;
}
.statement__foot {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 32px;
  max-width: 1100px; margin: clamp(60px, 9vw, 120px) auto 0; text-align: left;
  position: relative; z-index: 2;
}
.statement__about { display: grid; gap: 14px; max-width: 58ch; }
.statement__about p { font-size: var(--fs-sm); line-height: 1.6; color: var(--muted); }
.statement__about p:first-child { color: var(--text); }

.float { position: absolute; z-index: 1; overflow: hidden; background: #1a1a1a; }
.float img { width: 100%; height: 100%; object-fit: cover; object-position: left top; filter: grayscale(1); opacity: 0.85; }
.float--a { left: 6%; top: 44%; width: clamp(120px, 16vw, 250px); aspect-ratio: 16 / 10; }
.float--b { right: 8%; top: 12%; width: clamp(130px, 15vw, 240px); aspect-ratio: 16 / 10; }

/* ---------- services ---------- */

.services { padding: clamp(60px, 8vw, 120px) 0; }
.services > .label { margin-left: var(--gutter); margin-bottom: 40px; }
.services__grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items: center;
}
.services__col { position: relative; isolation: isolate; }
.services__item {
  display: flex; align-items: flex-start; gap: 12px; width: 100%;
  padding: 6px var(--gutter) 6px clamp(40px, 9vw, 150px);
  text-align: left;
  font-size: clamp(1.4rem, 2.7vw, 2.6rem); line-height: 1.1; text-transform: uppercase;
  font-variation-settings: "wdth" 106; font-weight: 500;
  color: var(--dim);
  transition: color 0.4s var(--ease);
}
.services__item small {
  font-size: var(--fs-xs); letter-spacing: 0.04em; padding-top: 4px; font-weight: 400;
}
.services__item:hover { color: var(--muted); }
.services__item.is-active { color: var(--bg); }
.services__item .dots { display: none; }
.services__item.is-active .dots { display: inline-flex; align-self: center; }
.services__item.is-active .dots::before,
.services__item.is-active .dots::after { background: var(--bg); width: 6px; height: 6px; }
.services__band {
  position: absolute; left: 0; right: -2px; top: 0; z-index: -1;
  background: var(--text);
  border-top: 1px solid #fff; border-bottom: 1px solid #999;
  pointer-events: none;
}

.services__card {
  position: relative; margin-right: var(--gutter);
  aspect-ratio: 5 / 4; overflow: hidden; background: #151515;
  display: grid; place-items: center;
}
.services__bg {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(1) brightness(0.45);
  transform: scale(1.06);
}
.services__panel {
  position: relative; width: min(86%, 560px);
  background: rgba(10, 10, 10, 0.86); backdrop-filter: blur(6px);
  border: 1px solid var(--line);
  padding: clamp(18px, 2.4vw, 32px);
}
.services__panel h3 {
  margin: 18px 0 10px; font-size: clamp(1rem, 1.6vw, 1.35rem); line-height: 1.2; font-weight: 500;
  text-transform: uppercase;
}
.services__panel p { font-size: var(--fs-sm); line-height: 1.55; color: var(--muted); text-transform: uppercase; }
.services__deliver {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; margin-top: 22px;
}
.services__deliver li {
  display: flex; gap: 10px; align-items: center;
  font-size: var(--fs-xs); letter-spacing: 0.04em; text-transform: uppercase;
}
.services__deliver li::before {
  content: ""; flex: none; width: 13px; height: 5px;
  background: linear-gradient(90deg, currentColor 0 5px, transparent 5px 8px, currentColor 8px 13px);
}

/* ---------- education ---------- */

.education {
  display: grid; grid-template-columns: minmax(240px, 0.8fr) 1.2fr; gap: clamp(32px, 6vw, 96px);
  padding: clamp(80px, 10vw, 150px) var(--gutter);
}
.education__aside { display: grid; gap: 28px; align-content: start; }
.education__aside .frame { width: min(100%, 320px); aspect-ratio: 4 / 5; }
.education__aside .frame img {
  filter: grayscale(1) contrast(1.1) brightness(0.9);
  object-position: top;
  background: radial-gradient(ellipse 80% 70% at 50% 34%, #5d6063 0%, #34373a 48%, #161718 100%);
}
/* darken the photo's edges so its background melts into the page */
.education__aside .frame::after {
  content: ""; position: absolute; inset: 10px; pointer-events: none;
  background: radial-gradient(ellipse 72% 62% at 45% 36%, transparent 38%, rgba(10, 10, 10, 0.78) 100%);
}
.justify-title {
  font-size: clamp(1.6rem, 3.4vw, 3.2rem); line-height: 1.08; font-weight: 500;
  text-transform: uppercase; text-align: justify; text-align-last: left;
  letter-spacing: 0.01em; font-variation-settings: "wdth" 106;
  margin-bottom: clamp(40px, 6vw, 80px);
}
.steps { border-top: 1px solid var(--line); }
.step {
  display: grid; grid-template-columns: minmax(180px, 1fr) 1.2fr; gap: 24px;
  padding: 24px 0; border-bottom: 1px solid var(--line);
  color: var(--dim);
  transition: color 0.5s var(--ease);
}
.step.is-active { color: var(--text); }
.step__name {
  display: flex; gap: 12px; align-items: baseline;
  font-size: clamp(1rem, 1.5vw, 1.25rem); text-transform: uppercase; font-weight: 500;
}
.step__name::before {
  content: ""; flex: none; width: 13px; height: 5px; transform: translateY(-3px);
  background: linear-gradient(90deg, currentColor 0 5px, transparent 5px 8px, currentColor 8px 13px);
}
.step__body { display: grid; gap: 10px; }
.step__meta { font-size: var(--fs-xs); letter-spacing: 0.06em; text-transform: uppercase; }
.step__body p { font-size: var(--fs-sm); line-height: 1.55; text-transform: uppercase; }
.step__map {
  justify-self: start; font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
}

/* ---------- work ---------- */

.work { padding: clamp(80px, 10vw, 140px) 0 clamp(60px, 8vw, 120px); }
.work__head {
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 28px 40px;
  padding: 0 var(--gutter) clamp(36px, 5vw, 60px);
}
.work__head .label { grid-column: 1 / -1; }
.work__title {
  font-size: var(--fs-xl); line-height: 0.98; font-weight: 500; text-transform: uppercase;
  font-variation-settings: "wdth" 106;
}
.filters { display: flex; flex-wrap: wrap; gap: 4px; justify-content: flex-end; }
.filters button {
  padding: 8px 10px; font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); border: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}
.filters button sup { font-size: 0.55rem; margin-left: 2px; }
.filters button:hover { color: var(--text); }
.filters button[aria-pressed="true"] { color: var(--text); border-color: var(--line); }

.work__list { border-top: 1px solid var(--line); }
.work__row { border-bottom: 1px solid var(--line); }
.work__row[hidden] { display: none; }
.work__link {
  display: grid; grid-template-columns: 70px 1fr minmax(160px, 0.5fr) 70px 40px;
  align-items: center; gap: 20px; width: 100%;
  padding: clamp(18px, 2.2vw, 30px) var(--gutter);
  text-align: left;
}
.work__idx,
.work__cat,
.work__year { font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.work__name {
  font-size: clamp(1.5rem, 3.6vw, 3.4rem); line-height: 1; text-transform: uppercase; font-weight: 500;
  font-variation-settings: "wdth" 106; color: var(--text);
  transition: transform 0.5s var(--ease);
}
.work__arrow { justify-self: end; display: inline-flex; font-size: 1.25rem; transition: transform 0.5s var(--ease); }

/* inline line icons (replace arrow characters that some phones show as emoji) */
.icon {
  width: 1em; height: 1em; flex: none; display: inline-block; vertical-align: -0.14em;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter;
}
.btn .icon, .step__map .icon, .footer__bottom .icon { width: 0.95em; height: 0.95em; margin: 0 0.1em; }
.work__thumb { display: none; }
.work__list:hover .work__name { color: var(--dim); }
.work__list:hover .work__link:hover .work__name { color: var(--text); transform: translateX(12px); }
.work__link:hover .work__arrow { transform: translate(3px, -3px); }
.work__link:focus-visible { outline-offset: -4px; }

.work__preview {
  position: fixed; left: 0; top: 0; z-index: 60; pointer-events: none;
  width: clamp(240px, 24vw, 380px); aspect-ratio: 16 / 10;
  margin: -110px 0 0 -170px;
  overflow: hidden; opacity: 0; transform: scale(0.8);
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.7);
}
.work__preview-inner { position: relative; width: 100%; height: 100%; }
.work__preview-inner img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

/* ---------- certificates ---------- */

.certs {
  display: grid; grid-template-columns: minmax(260px, 0.9fr) 1.1fr; gap: clamp(32px, 6vw, 96px);
  padding: clamp(80px, 10vw, 150px) var(--gutter);
  border-top: 1px solid var(--line);
}
.certs__aside { display: grid; gap: 24px; align-content: start; }
.certs__preview { display: block; width: 100%; aspect-ratio: 4 / 3; background: none; cursor: zoom-in; }
.certs__preview img { object-fit: contain; background: #151515; }
.certs__issuer { font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; }
.certs__meta { display: grid; gap: 12px; }

.big-list { align-self: center; }
.big-list li { border-bottom: 1px solid var(--line); }
.big-list button {
  display: flex; gap: 14px; align-items: flex-start; width: 100%;
  padding: 14px 0; text-align: left;
  font-size: clamp(1.35rem, 2.8vw, 2.7rem); line-height: 1.05; text-transform: uppercase; font-weight: 500;
  font-variation-settings: "wdth" 104;
  color: var(--dim); transition: color 0.4s var(--ease);
}
.big-list button small {
  font-size: var(--fs-xs); letter-spacing: 0.04em; padding-top: 5px; font-weight: 400; min-width: 2.5em;
}
.big-list button em {
  margin-left: auto; font-style: normal; font-size: var(--fs-xs); letter-spacing: 0.08em; padding-top: 6px;
}
.big-list button:hover { color: var(--muted); }
.big-list button.is-active { color: var(--text); }

/* ---------- stack ---------- */

.stack { padding: clamp(80px, 10vw, 150px) 0 0; border-top: 1px solid var(--line); overflow: clip; }
.stack__head { padding: 0 var(--gutter); display: grid; gap: 24px; margin-bottom: clamp(40px, 6vw, 80px); }
.stack__title {
  font-size: var(--fs-xl); line-height: 0.98; font-weight: 500; text-transform: uppercase;
  font-variation-settings: "wdth" 106; max-width: 14ch;
}
.stack__groups { padding: 0 var(--gutter); }
.stack__group {
  display: grid; grid-template-columns: minmax(180px, 0.35fr) 1fr; gap: 24px;
  padding: 22px 0; border-top: 1px solid var(--line);
}
.stack__group h3 {
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; font-weight: 400; color: var(--muted);
  padding-top: 8px;
}
.stack__items { display: flex; flex-wrap: wrap; gap: 4px 0; }
.stack__items li {
  font-size: clamp(1.25rem, 2.6vw, 2.4rem); line-height: 1.15; text-transform: uppercase; font-weight: 500;
  font-variation-settings: "wdth" 104;
  color: #7a7a7a; transition: color 0.3s;
  cursor: default;
}
.stack__items li:hover { color: var(--text); }
.stack__items li:not(:last-child)::after { content: "/"; margin: 0 0.4em; color: #3a3a3a; }
.tape--flat {
  position: relative; left: auto; width: 100%; margin-top: clamp(60px, 8vw, 110px);
  transform: rotate(-1.5deg) scale(1.04);
}

/* ---------- closing ---------- */

.closing { padding-top: clamp(100px, 12vw, 180px); overflow: clip; }
.closing__statement {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: clamp(16px, 2.5vw, 40px);
  padding: 0 var(--gutter) clamp(80px, 10vw, 150px);
}
.closing__text { max-width: 21ch; font-size: clamp(1.8rem, 3.9vw, 3.9rem); text-align: center; }
.edge { display: flex; align-items: center; gap: 16px; }
.edge::after { content: ""; flex: 1; height: 1px; background: rgba(255, 255, 255, 0.22); }
.edge--r { flex-direction: row-reverse; }

.portrait {
  position: relative;
  min-height: clamp(560px, 64vw, 920px);
  background: radial-gradient(ellipse 60% 70% at 50% 60%, #6a6d6f 0%, #3a3c3e 45%, #151617 85%);
  display: grid; place-items: end center;
  overflow: clip; isolation: isolate;
}
.portrait__img {
  position: relative; z-index: 2;
  width: min(62vw, 720px); height: auto; aspect-ratio: auto 1400 / 1575;
  filter: grayscale(1) contrast(1.08) brightness(0.95);
  margin-bottom: -2px;
}
.portrait__floats { position: absolute; inset: 0; z-index: 3; pointer-events: none; }
.portrait__floats figure {
  position: absolute; overflow: hidden; background: #222;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.6);
}
.portrait__floats img { width: 100%; height: 100%; object-fit: cover; object-position: left top; filter: grayscale(1); }
.portrait__floats figure:nth-child(1) { left: 11%; top: 18%; width: clamp(110px, 14vw, 220px); aspect-ratio: 16 / 10; }
.portrait__floats figure:nth-child(2) { left: 30%; top: 7%;  width: clamp(120px, 15vw, 240px); aspect-ratio: 16 / 10; z-index: -1; }
.portrait__floats figure:nth-child(3) { right: 12%; top: 30%; width: clamp(110px, 13vw, 210px); aspect-ratio: 16 / 10; }
.portrait__floats figure:nth-child(4) { right: 22%; bottom: 20%; width: clamp(120px, 14vw, 230px); aspect-ratio: 16 / 10; z-index: 3; }
.portrait__floats figure:nth-child(5) { left: 16%; bottom: 26%; width: clamp(100px, 12vw, 190px); aspect-ratio: 16 / 10; z-index: 3; }
.tapes--portrait { height: 260px; bottom: 0; z-index: 4; }
.tape--c { bottom: 110px; transform: rotate(3deg); }
.tape--d { bottom: 40px; transform: rotate(-2.4deg); background: #bdbdbd; }
.portrait__actions {
  position: absolute; left: 0; right: 0; top: 58%; z-index: 5;
  display: flex; justify-content: center; gap: 28vw;
}

/* ---------- CV ---------- */

.cv {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(32px, 6vw, 96px); align-items: center;
  padding: clamp(90px, 11vw, 160px) var(--gutter);
}
.cv__text { display: grid; gap: 26px; align-content: start; }
.cv__title {
  font-size: var(--fs-xl); line-height: 0.98; font-weight: 500; text-transform: uppercase;
  font-variation-settings: "wdth" 106;
}
.cv__actions { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-left: -6px; }
.cv__updated { font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.cv__doc {
  display: block; justify-self: center; width: min(100%, 420px);
  background: #fff; padding: 0;
  transform: rotate(3deg);
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.8), 0 0 0 1px var(--line);
  transition: transform 0.6s var(--ease);
}
.cv__doc img { width: 100%; height: auto; aspect-ratio: auto 910 / 1287; }
.cv__doc:hover { transform: rotate(0deg) scale(1.02); }

/* ---------- footer ---------- */

.footer { padding: clamp(80px, 10vw, 140px) var(--gutter) 24px; border-top: 1px solid var(--line); overflow: clip; }
.footer__top {
  display: grid; grid-template-columns: 1fr minmax(320px, 560px);
  gap: clamp(40px, 7vw, 120px); align-items: start;
}
.footer__direct {
  margin-top: 26px; font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.footer__direct a { color: var(--text); border-bottom: 1px solid currentColor; overflow-wrap: anywhere; }
.footer__direct a:hover { opacity: 0.7; }

/* contact form */
.contact-form { display: grid; gap: 26px; position: relative; }
.field { display: grid; gap: 8px; }
.field label { font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field input,
.field textarea {
  width: 100%; min-height: 44px; padding: 6px 0 12px;
  background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
  color: var(--text); font: inherit; font-size: clamp(1.05rem, 1.6vw, 1.35rem);
  transition: border-color 0.3s;
}
.field textarea { min-height: 120px; line-height: 1.45; resize: vertical; }
.field input::placeholder,
.field textarea::placeholder { color: #4d4d4d; }
.field input:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--text); }
.field [aria-invalid="true"] { border-bottom-color: #e07b7b; }
.contact-form__foot { display: flex; align-items: center; justify-content: space-between; gap: 12px 20px; flex-wrap: wrap; margin-left: -6px; }
.contact-form__status { font-size: var(--fs-xs); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); max-width: 40ch; }
.contact-form__status[data-kind="ok"] { color: #a6e3b0; }
.contact-form__status[data-kind="error"] { color: #f0a0a0; }
.contact-form__status a { color: var(--text); border-bottom: 1px solid currentColor; }
.btn:disabled { opacity: 0.5; cursor: wait; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.footer__title {
  font-size: clamp(1.8rem, 3.8vw, 3.4rem); line-height: 1; font-weight: 400; text-transform: uppercase;
  max-width: 16ch; margin-bottom: 22px;
}
.footer__cols {
  display: grid; grid-template-columns: repeat(3, auto); justify-content: end; gap: 12px clamp(40px, 9vw, 140px);
  margin-top: clamp(50px, 7vw, 90px); text-align: right;
}
.footer__cols ul { display: grid; gap: 8px; align-content: start; }
.footer__cols a,
.footer__cols span { font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: #cfcfcf; }
.footer__cols a:hover { color: #fff; }
.footer__mark {
  display: flex; justify-content: space-between;
  margin: clamp(40px, 6vw, 80px) calc(var(--gutter) * -0.3) 0;
  font-size: clamp(5rem, 26vw, 25rem); line-height: 0.78; font-weight: 800; letter-spacing: -0.05em;
  font-variation-settings: "wdth" 125;
  color: #cfcfcf; overflow: hidden; user-select: none;
}
.footer__mark span { display: inline-block; }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: 26px; padding-top: 16px; border-top: 1px solid var(--line);
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.footer__bottom a:hover { color: var(--text); }

/* ---------- viewer (dialog) ---------- */

.viewer {
  width: min(1200px, calc(100vw - 32px)); max-height: calc(100svh - 32px);
  padding: 0; border: 1px solid var(--line); background: var(--bg-2); color: var(--text);
  overflow: auto;
}
.viewer::backdrop { background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(4px); }
.viewer__inner { display: grid; grid-template-columns: 1.5fr 1fr; position: relative; }
.viewer__close {
  position: absolute; right: 12px; top: 10px; z-index: 2; padding: 8px;
  font-size: var(--fs-xs); letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--bg-2);
}
.viewer__media { background: #0d0d0d; padding: 16px; display: grid; gap: 10px; align-content: start; }
.viewer__img { width: 100%; max-height: 70svh; object-fit: contain; }
.viewer__thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.viewer__thumbs button { width: 84px; aspect-ratio: 16 / 10; opacity: 0.45; transition: opacity 0.3s; outline-offset: 2px; }
.viewer__thumbs button[aria-current="true"],
.viewer__thumbs button:hover { opacity: 1; }
.viewer__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.viewer__body { padding: 56px 28px 28px; display: grid; gap: 18px; align-content: start; }
.viewer__title {
  font-size: clamp(1.6rem, 3vw, 2.6rem); line-height: 1; text-transform: uppercase; font-weight: 500;
  font-variation-settings: "wdth" 106;
}
.viewer__body .small-text { color: #bdbdbd; }
.viewer__links { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-left: -6px; }

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .work__link { grid-template-columns: 48px 1fr minmax(120px, 0.45fr) 50px 28px; gap: 14px; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto auto auto;
    padding-top: 92px;
  }
  .hero__collage { grid-column: 1; grid-row: 2; min-height: 0; height: 88vw; max-height: 520px; margin: 18px 0; }
  .hero__collage figure:nth-child(1) { left: 6%;  width: 66%; }
  .hero__collage figure:nth-child(2) { left: 30%; width: 62%; top: 26%; }
  .hero__collage figure:nth-child(3) { left: 4%;  width: 78%; bottom: 0; }
  .hero__collage figure:nth-child(4) { left: 72%; width: 26%; top: 4%; }
  .hero__collage figure:nth-child(5) { left: 0;   width: 34%; top: 30%; }
  .hero__title { grid-row: 1; grid-template-columns: 1fr; row-gap: 4px; font-size: clamp(2.6rem, 13vw, 5rem); }
  .hero__word--left, .hero__word--right { grid-column: 1; }
  .hero__rule { display: none; }
  .hero__intro { grid-column: 1; grid-row: 3; padding-top: 6px; }
  .hero__side { grid-column: 1; grid-row: 4; justify-content: flex-start; padding-top: 16px; }
  .hero__side .dots { order: 0; }
  .hero__actions { grid-row: 5; justify-content: flex-start; margin-left: -6px; padding-bottom: 130px; }
  .tapes { height: 150px; }
  .tape--a { bottom: 52px; }
  .tape--b { bottom: 8px; }

  /* phones: both floating shots sit in the empty space above the heading, never over the text */
  .statement { padding-top: 250px; }
  .float--a { left: var(--gutter); top: 64px; bottom: auto; width: 30vw; max-width: 150px; }
  .float--b { right: var(--gutter); top: 96px; width: 42vw; max-width: 210px; }
  .statement__foot { flex-direction: column; align-items: flex-start; }

  /* Phones: a plain, still header. iOS WebKit (Safari, Instagram's browser) can leave a fixed
     element stuck mid-screen during momentum scroll when it is transformed, blended or
     backdrop-blurred, so none of that here: no hide-on-scroll, no blend, no blur. */
  .nav {
    mix-blend-mode: normal;
    transform: translate3d(0, 0, 0);          /* own compositing layer, stays pinned */
    -webkit-backface-visibility: hidden; backface-visibility: hidden;
    transition: background-color 0.25s;
  }
  .nav.is-hidden { transform: translate3d(0, 0, 0); }
  .nav.is-scrolled { background: rgba(10, 10, 10, 0.96); }

  .services__grid { grid-template-columns: 1fr; }
  .services__item { padding-left: var(--gutter); }
  .services__card { margin: 24px var(--gutter) 0; aspect-ratio: auto; min-height: 460px; }
  .services__deliver { grid-template-columns: 1fr; }

  .education, .certs, .cv { grid-template-columns: 1fr; }
  .education__aside .frame { width: min(70%, 280px); }
  .step { grid-template-columns: 1fr; gap: 12px; }

  .work__head { grid-template-columns: 1fr; }
  .filters { justify-content: flex-start; margin-left: -10px; }
  .work__link { grid-template-columns: 1fr auto; grid-template-areas: "thumb thumb" "name arrow" "cat year"; gap: 8px 14px; }
  .work__thumb { display: block; grid-area: thumb; aspect-ratio: 16 / 9; overflow: hidden; margin-bottom: 10px; background: #151515; }
  .work__thumb img { width: 100%; height: 100%; object-fit: cover; }
  .work__idx { display: none; }
  .work__name { grid-area: name; }
  .work__arrow { grid-area: arrow; }
  .work__cat { grid-area: cat; }
  .work__year { grid-area: year; justify-self: end; }
  .work__preview { display: none; }

  .stack__group { grid-template-columns: 1fr; gap: 8px; }

  .closing__statement { grid-template-columns: 1fr; }
  .edge { display: none; }
  .portrait { min-height: 0; padding-top: 70px; }
  .portrait__img { width: min(100%, 520px); }
  .portrait__floats figure:nth-child(n+4) { display: none; }
  .portrait__floats figure:nth-child(1) { left: 2%; top: 6%; }
  .portrait__floats figure:nth-child(2) { left: 40%; top: 0; }
  .portrait__floats figure:nth-child(3) { right: 2%; top: 22%; }
  .portrait__actions { top: auto; bottom: 12px; gap: 12px; }
  .tapes--portrait { height: 200px; bottom: 44px; }

  .cv__doc { width: min(80%, 360px); }

  .footer__top { grid-template-columns: 1fr; }
  .footer__cols { grid-template-columns: 1fr 1fr; justify-content: stretch; text-align: left; }
  .footer__cols ul:first-child { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; }

  .viewer__inner { grid-template-columns: 1fr; }
  .viewer__body { padding: 24px 18px 28px; }
  .viewer__media { padding: 52px 12px 12px; }
}

@media (max-width: 520px) {
  .nav { padding-top: 14px; }
  .services__item { font-size: 1.35rem; }
  .big-list button em { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}