/* =========================================================
   FLIPIAK SZCZYPUŁA — pracownia kodu i obrazu
   Brutalist · clean · mobile-first · zero dependencies
   ========================================================= */

/* ---------- DESIGN TOKENS ---------- */
:root {
  --bg:           #f1ede4;
  --bg-2:         #e9e3d4;
  --paper:        #ffffff;
  --ink:          #0a0a0a;
  --ink-soft:     #1f1f1f;
  --muted:        #5a5a55;
  --line:         #0a0a0a;

  --accent:       #d4ff3a;
  --accent-2:     #ff3b1f;
  --accent-3:     #2b6cff;

  --dark-bg:      #0a0a0a;
  --dark-ink:     #f1ede4;
  --dark-muted:   #a5a59c;

  --font-display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;

  /* fluid type scale */
  --fs-xs:    clamp(0.72rem, 0.68rem + 0.2vw, 0.8rem);
  --fs-sm:    clamp(0.84rem, 0.78rem + 0.3vw, 0.95rem);
  --fs-md:    clamp(1rem, 0.92rem + 0.4vw, 1.12rem);
  --fs-lg:    clamp(1.15rem, 1rem + 0.8vw, 1.5rem);
  --fs-xl:    clamp(1.6rem, 1.2rem + 2vw, 2.4rem);
  --fs-xxl:   clamp(2.2rem, 1.6rem + 3vw, 3.6rem);
  --fs-huge:  clamp(2.6rem, 1.6rem + 7vw, 7rem);

  /* spacing */
  --pad:       clamp(1.1rem, 0.7rem + 2vw, 1.8rem);
  --section-y: clamp(3.5rem, 2.4rem + 5vw, 7rem);

  /* structure */
  --border:    2px solid var(--line);
  --border-th: 3px solid var(--line);
  --shadow:    6px 6px 0 0 var(--ink);
  --shadow-lg: 10px 10px 0 0 var(--ink);

  /* layout */
  --container: 1240px;
  --nav-h:     72px;
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 3px solid var(--accent-3); outline-offset: 3px; }

/* ---------- BASE ---------- */
html { background: var(--bg); }
body {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

.container {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: var(--ink);
  padding: .6rem 1rem; font-family: var(--font-mono); font-weight: 700;
  border: var(--border);
}
.skip:focus { left: 1rem; top: 1rem; z-index: 9999; }

/* ---------- TICKER ---------- */
.ticker {
  background: var(--ink);
  color: var(--bg);
  border-bottom: var(--border-th);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.ticker__track {
  display: inline-flex;
  white-space: nowrap;
  padding: 0.55rem 0;
  animation: ticker 50s linear infinite;
}
.ticker__track > span { padding-inline: 1.4rem; }
.ticker__track > span:nth-child(even) { color: var(--accent); }
@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none; }
}

/* ---------- NAV ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: var(--border-th);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem var(--pad);
  min-height: var(--nav-h);
}
.nav__brand {
  display: flex; align-items: center; gap: 0.7rem;
  font-family: var(--font-mono);
}
.nav__mark {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px;
  background: var(--ink); color: var(--accent);
  font-weight: 700; font-size: 0.95rem;
  border: var(--border);
  box-shadow: 3px 3px 0 0 var(--ink);
  letter-spacing: 0.03em;
}
.nav__name { display: flex; flex-direction: column; line-height: 1.1; }
.nav__name strong { font-size: 0.95rem; letter-spacing: 0.02em; }
.nav__name small  { font-size: 0.7rem; color: var(--muted); }

.nav__menu {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
}
.nav__menu a {
  padding: 0.55rem 0.9rem;
  border: 2px solid transparent;
  transition: background .12s, color .12s, border-color .12s;
}
.nav__menu a:hover { background: var(--ink); color: var(--bg); }
.nav__cta {
  background: var(--accent);
  border: var(--border) !important;
  box-shadow: 4px 4px 0 0 var(--ink);
  font-weight: 700 !important;
}
.nav__cta:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 0 var(--ink);
  background: var(--accent) !important;
  color: var(--ink) !important;
}

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  border: var(--border);
  background: var(--paper);
  cursor: pointer;
}
.nav__toggle span {
  display: block; height: 2px; background: var(--ink);
  width: 22px; margin: 4px auto;
  transition: transform .25s, opacity .25s;
}
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav {
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: var(--nav-h);
  }

  .nav__brand,
  .nav__toggle {
    position: relative;
    z-index: 3;
  }

  .nav__toggle {
    display: block;
    flex: 0 0 auto;
  }

  .nav__brand {
    min-width: 0;
  }

  .nav__name {
    min-width: 0;
  }

  .nav__name strong,
  .nav__name small {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav__menu {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 2;

    flex-direction: column;
    align-items: stretch;
    gap: 0;

    background: var(--bg);
    border-top: var(--border-th);
    border-bottom: var(--border-th);
    padding: 1rem;

    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;

    transition: transform .3s ease, opacity .2s ease;
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
    box-shadow: 0 6px 0 0 var(--ink);
  }

  .nav.is-open .nav__menu {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__menu a {
    padding: 1rem;
    border-bottom: var(--border);
    font-size: 1.1rem;
    background: var(--bg);
  }

  .nav__menu a:last-child {
    border-bottom: var(--border);
  }

  .nav__cta {
    margin-top: 1rem;
    text-align: center;
    background: var(--accent) !important;
  }
}

/* ---------- TYPOGRAPHY HELPERS ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: .55rem;
  margin-bottom: 1rem;
}
.dot {
  display: inline-block;
  width: 10px; height: 10px;
  background: var(--accent-2);
  border: 2px solid var(--ink);
}
.hl {
  background: var(--accent);
  padding: 0 .2em;
  box-shadow: 4px 4px 0 0 var(--ink);
  border: 2px solid var(--ink);
  display: inline-block;
  color: var(--dark-bg);
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.4rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: var(--border-th);
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}
.btn:hover, .btn:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 3px 3px 0 0 var(--ink);
}
.btn--primary { background: var(--accent); color: var(--ink); }
.btn--ghost   { background: var(--paper);  color: var(--ink); }
.btn--accent  {
  background: var(--accent); color: var(--ink);
  border-color: var(--accent);
  box-shadow: 6px 6px 0 0 var(--accent);
}
.btn--accent:hover {
  box-shadow: 3px 3px 0 0 var(--accent);
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  padding: clamp(3rem, 3vw + 1.5rem, 6rem) var(--pad);
  border-bottom: var(--border-th);
  overflow: hidden;
}
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(10,10,10,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,10,10,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at top right, #000 30%, transparent 80%);
}
.hero__inner {
  position: relative;
  display: flex; flex-direction: column;
  gap: 1.6rem;
  max-width: 1000px;
}
.hero__title {
  font-size: var(--fs-huge);
  line-height: 0.92;
  letter-spacing: -0.025em;
  font-weight: 700;
  text-transform: uppercase;
}
.caret {
  display: inline-block;
  color: var(--accent-2);
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .caret { animation: none; } }
.hero__lead {
  max-width: 52ch;
  font-size: var(--fs-lg);
  color: var(--ink-soft);
}
.hero__cta {
  display: flex; flex-wrap: wrap; gap: .8rem;
  margin-top: .4rem;
}

/* ---------- SPLIT ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: var(--border-th);
}
.split__half {
  position: relative;
  display: flex; flex-direction: column;
  gap: 1.3rem;
  padding: clamp(2.4rem, 1.6rem + 3vw, 4.5rem) clamp(1.4rem, 1rem + 2vw, 3rem);
  min-height: clamp(520px, 60vh, 720px);
}
.split__half--code {
  background: var(--bg);
  border-right: var(--border-th);
}
.split__half--art {
  background: var(--dark-bg);
  color: var(--dark-ink);
}
.split__half--art .eyebrow { color: var(--dark-muted); }
.split__half--art .hl {
  background: var(--accent);
  color: var(--ink);
  box-shadow: 4px 4px 0 0 var(--accent);
  border-color: var(--accent);
}
.split__half--art .dot { background: var(--accent); }

.split__head {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: .2rem;
}
.split__head .eyebrow { margin: 0; }
.split__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  background: var(--accent);
  color: var(--ink);
  padding: .3rem .65rem;
  border: 2px solid var(--ink);
}
.split__half--art .split__num { border-color: var(--accent); }

.split__title {
  font-size: clamp(2.2rem, 1.4rem + 4vw, 4.4rem);
  line-height: 0.92;
  letter-spacing: -0.025em;
  text-transform: uppercase;
  font-weight: 700;
}
.split__lead {
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: var(--fs-md);
}
.split__half--art .split__lead { color: #cfcabb; }

.split__list {
  display: grid; gap: 0;
  margin-top: .6rem;
  border-top: 2px solid currentColor;
}
.split__list li {
  display: flex; flex-direction: column;
  gap: .1rem;
  padding: 1rem 0;
  border-bottom: 2px solid currentColor;
  font-family: var(--font-mono);
}
.split__list strong {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: -0.01em;
  font-weight: 600;
}
.split__list span {
  font-size: var(--fs-sm);
  color: var(--muted);
}
.split__half--art .split__list span { color: var(--dark-muted); }

.split__half .btn { align-self: flex-start; margin-top: auto; }

@media (max-width: 920px) {
  .split { grid-template-columns: 1fr; }
  .split__half--code { border-right: 0; border-bottom: var(--border-th); }
  .split__half { min-height: 0; }
}

/* ---------- WHY ---------- */
.why {
  padding-block: var(--section-y);
  border-bottom: var(--border-th);
  background: var(--bg-2);
}
.section__head {
  margin-bottom: clamp(1.6rem, 1rem + 2vw, 3rem);
  max-width: 70ch;
}
.section__title {
  font-size: var(--fs-xxl);
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  font-weight: 700;
}
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: var(--border-th);
  background: var(--paper);
}
.why__item {
  padding: clamp(1.4rem, 1rem + 1vw, 2rem);
  border-right: 2px solid var(--ink);
  display: flex; flex-direction: column; gap: .7rem;
  transition: background .2s;
}
.why__item:last-child { border-right: 0; }
.why__item:hover { background: var(--accent); }
.why__num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  background: var(--ink); color: var(--accent);
  border: 2px solid var(--ink);
}
.why__item h3 {
  font-size: var(--fs-lg);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.why__item p { color: var(--ink-soft); font-size: var(--fs-md); }

@media (max-width: 900px) {
  .why__grid { grid-template-columns: 1fr; }
  .why__item { border-right: 0; border-bottom: 2px solid var(--ink); }
  .why__item:last-child { border-bottom: 0; }
}

/* ---------- CONTACT ---------- */
.contact {
  padding-block: var(--section-y);
  background: var(--dark-bg);
  color: var(--dark-ink);
  border-bottom: var(--border-th);
}
.contact .eyebrow { color: var(--dark-muted); }
.contact__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 3vw, 4rem);
  align-items: start;
}
.contact__title {
  font-size: var(--fs-xxl);
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.contact__lead {
  margin-top: 1rem;
  color: #cfcabb;
  max-width: 50ch;
  font-size: var(--fs-md);
}

.contact__list {
  display: grid; gap: 0;
  border: var(--border-th);
  border-color: var(--accent);
  background: #141414;
  font-family: var(--font-mono);
}
.contact__list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 1rem;
  padding: 1.1rem 1.3rem;
  border-bottom: 2px solid #2a2a2a;
  align-items: center;
}
.contact__list li:last-child { border-bottom: 0; }
.contact__list span {
  color: var(--dark-muted);
  text-transform: uppercase;
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
}
.contact__list a {
  color: var(--accent);
  font-size: var(--fs-md);
  word-break: break-word;
}
.contact__list a:hover { text-decoration: underline; text-underline-offset: 4px; }
.contact__plain { color: var(--dark-ink) !important; font-size: var(--fs-md) !important; text-transform: none !important; letter-spacing: 0 !important; }

@media (max-width: 820px) {
  .contact__inner { grid-template-columns: 1fr; }
  .contact__list li { grid-template-columns: 90px 1fr; }
}
@media (max-width: 480px) {
  .contact__list li { grid-template-columns: 1fr; gap: .3rem; }
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--ink);
  color: var(--bg);
  padding-block: clamp(1.6rem, 2vw, 2.4rem);
}
.footer__inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.2rem;
}
.footer__brand {
  display: flex; align-items: center; gap: .7rem;
  font-family: var(--font-mono);
}
.footer__brand strong { display: block; font-size: .95rem; }
.footer__brand small  { display: block; font-size: .7rem; color: var(--dark-muted); }
.footer__meta {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--dark-muted);
}
.footer__meta a { color: var(--accent); }
@media (max-width: 540px) {
  .footer__inner { justify-content: center; text-align: center; }
}

/* ---------- SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .6s ease, transform .6s ease;
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- SELECTION ---------- */
::selection { background: var(--accent); color: var(--ink); }

/* ---------- PRINT ---------- */
@media print {
  .ticker, .nav__toggle { display: none; }
  body { background: #fff; color: #000; }
  .split__half--art, .contact { background: #fff !important; color: #000 !important; }
}



/* ---------- PORTFOLIO ---------- */
.portfolio {
  padding-block: var(--section-y);
  border-bottom: var(--border-th);
  background: var(--paper);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: var(--border-th);
  background: var(--ink);
}

.portfolio__item {
  background: var(--bg);
  border-right: 2px solid var(--ink);
  display: flex;
  flex-direction: column;
  transition: background .18s ease, transform .18s ease;
}

.portfolio__item:last-child {
  border-right: 0;
}

.portfolio__item:hover {
  background: var(--accent);
  transform: translateY(-4px);
}

.portfolio__image {
  aspect-ratio: 4 / 3;
  border-bottom: 2px solid var(--ink);
  background: transparent;
  overflow: hidden;

  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.portfolio__content {
  padding: clamp(1.1rem, 1rem + 1vw, 1.6rem);
}

.portfolio__content h3 {
  font-size: var(--fs-lg);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: .6rem;
}

.portfolio__content p {
  color: var(--ink-soft);
  font-size: var(--fs-sm);
  max-width: 38ch;
}

@media (max-width: 900px) {
  .portfolio__grid {
    grid-template-columns: 1fr;
  }

  .portfolio__item {
    border-right: 0;
    border-bottom: 2px solid var(--ink);
  }

  .portfolio__item:last-child {
    border-bottom: 0;
  }

  .portfolio__image {
    aspect-ratio: 16 / 10;
  }
}

.portfolio__item {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.portfolio__item:focus-visible {
  outline: 3px solid var(--accent-3);
  outline-offset: 4px;
}