/* ==========================================================================
   CodeOne – ferde plakátfal
   Sorrend: tokenek → betű-fallback → alap → sávrendszer → hero → zárójelek →
   tartalom → marquee → mozgás → a11y → reszponzív
   ========================================================================== */

/* --- tokenek ------------------------------------------------------------ */
:root {
  --orange: #ff7129;
  --ink: #31282b;
  --black: #121012;
  --lemon: #f2e930;
  --paper: #fffdf7;

  --angle: -8deg;
  --tan: 0.14054;                       /* tan(8deg), ha a tan() nem elérhető */
  --cut: clamp(8px, 1vw, 14px);         /* vágócsík vastagsága */
  --ov: 1.5px;                          /* varrat-átfedés a sávok között */

  --f-display: "Unbounded", "Unbounded Fallback", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --display: clamp(1.8rem, 5.6vw + 0.3rem, 5.9rem);    /* óriás szavak (az Unbounded Black ~0.91em/betű széles) */
  --h1: clamp(1.6rem, 3vw + 0.25rem, 3.25rem);
  --h2: clamp(1.5rem, 4.5vw, 4.5rem);
  --body: clamp(1rem, 0.95rem + 0.4vw, 1.25rem);
  --pad: clamp(3rem, 8vw, 7rem);
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --gap: clamp(2rem, 5vw, 5rem);
}
@supports (width: calc(1px * tan(8deg))) {
  :root { --tan: tan(8deg); }
}

/* --- display betű helyi fallbackja (CLS ellen) --------------------------- */
@font-face {
  font-family: "Unbounded Fallback";
  src: local("Arial Black"), local("Arial-BoldMT"), local("Helvetica-Bold");
  size-adjust: 104%;
  ascent-override: 92%;
  descent-override: 22%;
  line-gap-override: 0%;
}

/* --- alap --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  background: var(--black);
  overflow-x: clip;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
body {
  margin: 0;
  overflow-x: clip;
  container-type: inline-size;
  isolation: isolate;                 /* stacking context: a sávok negatív z-indexű mezői a body háttere FÖLÉ kerüljenek */
  background: var(--black);
  color: var(--paper);
  font: 400 var(--body) / 1.5 var(--f-body);
  hyphens: manual;
}
h1, h2, p, ul, address { margin: 0; }
address { font-style: normal; }
a { color: inherit; text-decoration-thickness: 0.08em; text-underline-offset: 0.12em; }
img { display: block; max-width: 100%; height: auto; }
.sprite { position: absolute; }

.display {
  font-family: var(--f-display);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}
.display--lower { text-transform: none; }
.mono {
  font-family: var(--f-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}
.lead { font-size: calc(var(--body) * 1.2); max-width: 36ch; }
.copy { max-width: 44ch; }

/* --- sávrendszer ---------------------------------------------------------
   A színmező a ::before-on ül (z-index:-1, clip-path parallelogramma), a .band
   maga érintetlen: SOHA nem lehet stacking context (nincs z-index, transform,
   opacity, filter, isolation), különben a mezők a tartalom fölé kerülnek.
   --------------------------------------------------------------------------- */
.hero, .band {
  position: relative;
  --rise: calc(100vw * var(--tan));
}
@supports (width: 1cqw) {
  .hero, .band { --rise: calc(100cqw * var(--tan)); }
}
.band {
  display: flow-root;
  padding: var(--pad) var(--gutter) calc(var(--rise) + var(--pad));
}
.band::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0; right: 0; bottom: 0;
  top: calc(-1 * var(--rise) - var(--ov));
  background: var(--field);
  clip-path: polygon(0 var(--rise), 100% 0, 100% calc(100% - var(--rise)), 0 100%);
}
.band--last { padding-bottom: var(--pad); }
.band--last::before { clip-path: polygon(0 var(--rise), 100% 0, 100% 100%, 0 100%); }
.band[data-cut]::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0; right: 0;
  top: calc(-1 * var(--rise) - var(--cut) / 2);
  height: calc(var(--rise) + var(--cut));
  background: var(--cut-color);
  clip-path: polygon(0 calc(100% - var(--cut)), 100% 0, 100% var(--cut), 0 100%);
}
.band--paper  { --field: var(--paper);  color: var(--ink);   --focus: var(--ink); }
.band--black  { --field: var(--black);  color: var(--paper); --focus: var(--lemon); }
.band--orange { --field: var(--orange); color: var(--black); --focus: var(--black); }
.band--lemon  { --field: var(--lemon);  color: var(--black); --focus: var(--black); }
[data-cut="orange"] { --cut-color: var(--orange); }
[data-cut="lemon"]  { --cut-color: var(--lemon); }

/* --- hero --------------------------------------------------------------- */
.hero {
  --hero-lower: polygon(0 calc(50% + var(--rise) / 2), 100% calc(50% - var(--rise) / 2), 100% 100%, 0 100%);
  min-height: 100vh;
  min-height: max(100svh, 800px);   /* alacsony ablakban se érjen össze a wordmark és az alcím */
  display: grid;
  grid-template-rows: 1fr auto;
  padding: var(--gutter) var(--gutter) calc(var(--gutter) + var(--rise) / 2);   /* alul: a következő sáv ferde éke (a szöveg balra ül, ahol az ék alacsony) */
  color: var(--ink);
  --focus: var(--ink);
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero::before { background: var(--paper); }
.hero::after  { background: var(--black); clip-path: var(--hero-lower); }

.hero__line {
  position: absolute;
  left: 50%; top: 50%;
  width: 120vw; height: 3px;
  background: var(--orange);
  translate: -50% -50%;
  rotate: var(--angle);
  pointer-events: none;
}
.wordmark {
  position: absolute;
  left: 67%;
  top: calc(50% - 0.17 * var(--rise));
  width: min(54vw, 780px);
  height: auto;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.hero__top { max-width: 44%; align-self: start; }
.hero__kicker { color: var(--ink); margin-bottom: 1rem; }
.hero__title { font-size: var(--h1); color: var(--ink); }
.hero__bottom {
  display: grid;
  justify-content: start;
  justify-items: start;
  gap: 1rem;
  padding-inline-start: calc(min(28vw, 260px) + var(--gap));   /* a benyúló { zárójel mellé */
  color: var(--paper);
  --focus: var(--lemon);
}
.hero__mail { color: var(--lemon); text-decoration: none; padding: 0.4rem 0; display: inline-block; }
.hero__mail:hover { text-decoration: underline; }
.hero__sub { max-width: 42ch; font-size: calc(var(--body) * 1.15); }

/* --- zárójelek ---------------------------------------------------------- */
.brace {
  fill: var(--orange);
  pointer-events: none;
  aspect-ratio: 220 / 673;
  width: min(28vw, 260px);
  height: auto;
}
.brace--open {
  position: absolute;
  z-index: -1;
  top: calc(-1 * var(--rise) - 12vh);
  left: var(--gutter);
}
.brace--close { width: min(22vw, 200px); justify-self: end; }
.band--last {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  column-gap: var(--gap);
}

/* --- szolgáltatás-plakát ------------------------------------------------- */
.services__eyebrow { margin-inline-start: 20%; margin-bottom: 1.5rem; }
.services__word { font-size: var(--display); }
.services__word--first { margin-inline-start: 20%; }
.services__copy { margin: 1.25rem 0 clamp(2rem, 5vw, 4rem); }
.services__copy--first { margin-inline-start: 20%; }
.services__ai {
  float: right;
  font-size: calc(var(--display) * 1.8);
  line-height: 0.8;
  margin: -0.25em 0 0 var(--gap);
}

/* --- citrom csík ---------------------------------------------------------- */
.stripe {
  padding: 0;
  min-height: clamp(3.5rem, 7vw, 6rem);
}
.stripe__inner {
  position: absolute;
  left: -10vw;
  width: 120vw;
  top: calc(50% - var(--rise) / 2);
  translate: 0 -50%;
  rotate: var(--angle);
}
.stripe .marquee__track { font-size: clamp(1.1rem, 2.2vw, 1.9rem); }
.stripe li::after { content: "\00B7"; margin-inline-start: var(--gap); }

/* --- AI + referenciák ----------------------------------------------------- */
.ai__title { font-size: calc(var(--display) * 0.75); line-height: 1.12; color: var(--orange); margin-bottom: 1.5rem; max-width: 18ch; }
.ai__copy { display: grid; gap: 1.25rem; max-width: 44ch; }
.refs { margin-top: calc(var(--pad) * 1.2); }
.refs__eyebrow { margin-bottom: 1.5rem; }
.logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(1.75rem, 3.5vw, 3.5rem) clamp(2rem, 4.5vw, 4.5rem);
  margin: 0; padding: 0;
  list-style: none;
}
.logos img { height: var(--h, clamp(34px, 5vw, 72px)); width: auto; }
.logos li.is-square { --h: clamp(56px, 7.5vw, 108px); }
.logos li.is-wide { --h: clamp(20px, 2.8vw, 40px); }

/* --- kapcsolat ------------------------------------------------------------ */
.contact__title { font-size: var(--display); margin-bottom: clamp(1.5rem, 4vw, 3rem); }
.contact__links { display: grid; gap: 0.5rem; justify-items: start; }
.contact__link {
  font-size: var(--h2);
  line-height: 1;
  text-decoration: none;
  padding: 0.15em 0;
  min-height: 48px;
  display: inline-block;
  overflow-wrap: anywhere;
  border-bottom: 0.06em solid currentColor;
}
.contact__link:hover { border-bottom-color: var(--paper); }

/* --- lábléc --------------------------------------------------------------- */
.footer__meta { display: grid; gap: 0.5rem; max-width: 60ch; color: var(--paper); }
.footer__meta a { color: var(--lemon); }

/* --- marquee -------------------------------------------------------------- */
.marquee {
  display: flex;
  gap: var(--gap);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee__track {
  display: flex;
  flex: none;
  gap: var(--gap);
  align-items: center;
  margin: 0; padding: 0;
  list-style: none;
  animation: marquee var(--dur, 40s) linear infinite;
}
@keyframes marquee { to { translate: calc(-100% - var(--gap)) 0; } }
.marquee:hover .marquee__track,
.marquee:focus-within .marquee__track { animation-play-state: paused; }

/* --- mozgás: betöltés + görgetés ------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  .hero__line { animation: draw 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero::after { animation: wipe 0.5s 0.45s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .wordmark { animation: slide 0.6s 0.9s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
  .hero__top, .hero__bottom { animation: fade 0.6s 1.25s both; }
}
@keyframes draw { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0); } }
@keyframes wipe {
  from { clip-path: polygon(0 calc(50% + var(--rise) / 2), 0 calc(50% + var(--rise) / 2), 0 100%, 0 100%); }
  to   { clip-path: var(--hero-lower); }
}
@keyframes slide {
  from { translate: -10vw calc(10vw * var(--tan)); opacity: 0; }
  to   { translate: 0 0; opacity: 1; }
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .brace {
      animation: drift linear both;
      animation-timeline: view();
      animation-range: entry 0% exit 100%;
    }
  }
}
@keyframes drift { from { translate: 0 6vh; } to { translate: 0 -6vh; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero__line, .hero::after, .wordmark, .hero__top, .hero__bottom, .brace { animation: none !important; }
  .marquee { -webkit-mask-image: none; mask-image: none; }
  .marquee__track { animation: none; flex: 1 1 100%; flex-wrap: wrap; justify-content: center; row-gap: 1.5rem; }
  .marquee__track[aria-hidden="true"] { display: none; }
  .stripe__inner { left: 0; width: 100%; }
  .stripe .marquee__track { flex-wrap: nowrap; justify-content: flex-start; padding-inline-start: var(--gutter); }
}

/* --- a11y ----------------------------------------------------------------- */
:focus-visible { outline: 3px solid var(--focus, var(--lemon)); outline-offset: 4px; }
.skip {
  position: absolute;
  left: var(--gutter); top: -100px;
  z-index: 10;
  padding: 0.6rem 1rem;
  background: var(--black);
  color: var(--lemon);
  text-decoration: none;
}
.skip:focus { top: var(--gutter); }

/* --- reszponzív ----------------------------------------------------------- */
@media (max-width: 720px) {
  .wordmark { left: 50%; top: 50%; width: 86vw; }
  .hero__top { max-width: 100%; }
  .hero { padding-bottom: calc(var(--gutter) + var(--rise)); }
  .hero__bottom { gap: 1.25rem; padding-inline-start: 0; }
  .services__eyebrow, .services__word--first, .services__copy--first { margin-inline-start: 24%; }
  .brace { width: 22vw; }
  .services__ai { float: none; margin: 0 0 0.5rem; }
  .brace--open { top: calc(-1 * var(--rise) + 8vh); }
  .band--last { grid-template-columns: 1fr; }
  .brace--close { justify-self: end; margin-bottom: calc(6vh + 1.5rem); order: -1; }   /* hely a görgetési elmozdulásnak */
}
@media (min-width: 1600px) {
  .band, .hero { padding-inline: max(var(--gutter), calc((100% - 1520px) / 2)); }
}