:root {
  --bg: #000000;
  --surface: #080808;
  --surface-soft: #0d0d0d;
  --text: #f5f5f5;
  --muted: #a1a1a1;
  --dim: #5e5e5e;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.24);
  --max-width: 1440px;
  --page-padding: clamp(24px, 5vw, 80px);
  --section-gap: clamp(64px, 8vw, 140px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    "Helvetica Neue",
    Helvetica,
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}


/* Po załadowaniu obrazu kontener przyjmuje jego rzeczywisty rozmiar */
.visual-slot.has-image {
  display: block;
  min-height: 0;
  height: auto;
  aspect-ratio: auto;

  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;

  overflow: visible;
}

.visual-slot.has-image::before,
.visual-slot.has-image::after,
.visual-slot.has-image .visual-slot__label {
  display: none;
}

.visual-slot.has-image img {
  position: relative;
  inset: auto;

  width: 100%;
  height: auto;

  object-fit: contain;
  border: 0;
  border-radius: 0;
  background: transparent;
}/*----------------------------------------------------------------*/


img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

main {
  overflow: hidden;
}


/* TYPOGRAPHY */

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(3.25rem, 6vw, 7.2rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.88;
}

/* Tylko tytuł HERO: "Metamorphosis DNA" */
#hero-title {
  font-size: clamp(2rem, 3vw, 3.8rem);
}

h2 {
  max-width: 760px;
  margin-bottom: 26px;
  font-size: clamp(2.35rem, 4.1vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.section-copy > p:not(.eyebrow):not(.formula) {
  max-width: 590px;
  margin-bottom: 18px;
  color: #c8c8c8;
  font-size: clamp(1rem, 1.25vw, 1.25rem);
  line-height: 1.6;
}

.section-copy .section-note {
  color: var(--text);
  font-weight: 500;
}

.formula {
  display: inline-block;
  margin: 16px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
}


/* HERO */

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(230px, 0.85fr) minmax(320px, 1.3fr) minmax(230px, 0.85fr);
  align-items: center;
  min-height: 100svh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px var(--page-padding) 78px;
  isolation: isolate;
  background: #000000;
}

/* Hero artwork must sit on pure black with no generated halo. */
.hero::before {
  content: none;
  display: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: var(--page-padding);
  bottom: 30px;
  left: var(--page-padding);
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    var(--line-strong) 18%,
    var(--line-strong) 82%,
    transparent
  );
}

.hero__column {
  position: relative;
  z-index: 2;
}

.hero__column--left {
  align-self: center;
}

.hero__column--right {
  display: flex;
  justify-content: flex-end;
}

.hero__statement {
  max-width: 240px;
  margin: 0;
  color: var(--text);
  font-size: clamp(1rem, 1.45vw, 1.35rem);
  font-weight: 500;
  line-height: 1.35;
  text-wrap: balance;
}

.hero__statement::before {
  content: "";
  display: block;
  width: 44px;
  height: 1px;
  margin-bottom: 18px;
  background: var(--text);
}

.hero__visual {
  display: grid;
  place-items: center;
  min-width: 0;
  background: #000000;
}

.scroll-cue {
  position: absolute;
  bottom: 48px;
  left: 50%;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--dim);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue i {
  display: block;
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--line-strong), transparent);
}


/* VISUAL PLACEHOLDERS */

.visual-slot {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  min-height: clamp(320px, 38vw, 560px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    linear-gradient(var(--surface-soft), var(--surface-soft)) padding-box,
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.06), transparent 58%) border-box;
}

.visual-slot::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(to right, transparent 49.85%, rgba(255,255,255,0.035) 50%, transparent 50.15%),
    linear-gradient(to bottom, transparent 49.85%, rgba(255,255,255,0.035) 50%, transparent 50.15%);
}

.visual-slot::after {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  pointer-events: none;
}

.visual-slot--hero {
  width: min(19vw, 250px);
  aspect-ratio: 1 / 1;
  min-height: 0;
  border: 0;
  border-radius: 0;
  background: #000000;
  box-shadow: none;
}

.visual-slot--hero::before,
.visual-slot--hero::after,
.visual-slot--hero .visual-slot__label {
  display: none !important;
}

.visual-slot__label {
  position: relative;
  z-index: 1;
  color: #393939;
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
}

.visual-slot img {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.visual-slot--hero img {
  object-fit: contain;
  background: #000000;
  filter: none;
  box-shadow: none;
}


/* CONTENT SECTIONS */

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(420px, 1.12fr);
  align-items: center;
  gap: var(--section-gap);
  min-height: 92svh;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(110px, 13vw, 190px) var(--page-padding);
  border-bottom: 1px solid var(--line);
}

.split-section--reverse {
  grid-template-columns: minmax(420px, 1.12fr) minmax(0, 0.88fr);
}

.split-section--reverse .section-copy {
  grid-column: 2;
  grid-row: 1;
}

.split-section--reverse .section-visual {
  grid-column: 1;
  grid-row: 1;
}

.section-copy {
  position: relative;
  min-width: 0;
}

.section-number {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 34px;
  color: var(--dim);
  font-family:
    "SFMono-Regular",
    Consolas,
    "Liberation Mono",
    monospace;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.section-number::after {
  content: "";
  width: 54px;
  height: 1px;
  background: var(--line-strong);
}

.section-visual {
  min-width: 0;
}

.split-section--final {
  border-bottom: 0;
}


/* FOOTER */

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px var(--page-padding) 48px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}


/* RESPONSIVE */

@media (max-width: 980px) {

  /* Mniejsza grafika HERO na tabletach i telefonach */
  .visual-slot--hero {
    width: min(36vw, 230px);
  }
.hero {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 42px;
    padding-top: 90px;
    padding-bottom: 100px;
    text-align: center;
  }

  .hero__column--right {
    justify-content: center;
  }

  .hero__statement {
    max-width: 420px;
  }

  .hero__statement::before {
    margin-right: auto;
    margin-left: auto;
  }
.split-section,
  .split-section--reverse {
    grid-template-columns: 1fr;
    gap: 56px;
    min-height: auto;
    padding-top: 110px;
    padding-bottom: 110px;
  }

  .split-section--reverse .section-copy,
  .split-section--reverse .section-visual {
    grid-column: 1;
  }

  .split-section--reverse .section-copy {
    grid-row: 1;
  }

  .split-section--reverse .section-visual {
    grid-row: 2;
  }

  .section-copy > p:not(.eyebrow):not(.formula) {
    max-width: 680px;
  }

  .visual-slot {
    min-height: min(70vw, 560px);
  }
}

@media (max-width: 620px) {
  :root {
    --page-padding: 20px;
  }

  .hero {
    min-height: 100svh;
    padding-top: 72px;
  }

  h1 {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  /* Tylko tytuł HERO na telefonie */
  #hero-title {
    font-size: clamp(2rem, 9vw, 3rem);
  }

  h2 {
    font-size: clamp(2.25rem, 12vw, 3.7rem);
  }

  .eyebrow {
    margin-bottom: 14px;
  }

  .split-section,
  .split-section--reverse {
    gap: 42px;
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .visual-slot {
    min-height: 72vw;
    border-radius: 14px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}