/* ==========================================================================
   janas.studio — arkusz stylów
   --------------------------------------------------------------------------
   Spis treści
   01. Fonty
   02. Zmienne (kolory, typografia, odstępy)
   03. Reset i baza
   04. Narzędzia (container, eyebrow, tekst srebrny, linki)
   05. Przyciski
   06. Nawigacja i menu mobilne
   07. Hero
   08. Marquee
   09. Sekcje — wspólne
   10. Usługi
   11. Dlaczego janas.studio
   12. Proces (oś czasu)
   13. Portfolio
   14. Zastosowania
   15. FAQ
   16. Kontakt i formularz
   17. Stopka
   18. Animacje przewijania
   19. Responsywność
   20. Ograniczony ruch (prefers-reduced-motion)
   ========================================================================== */


/* ==========================================================================
   01. Fonty — hostowane lokalnie (szybciej, bez zapytań do zewnętrznych serwerów)
   ========================================================================== */
@font-face {
  font-family: "Inter Tight";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../assets/fonts/inter-tight-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter Tight";
  font-style: normal;
  font-weight: 300 600;
  font-display: swap;
  src: url("../assets/fonts/inter-tight-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-serif-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Serif";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-serif-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-serif-italic-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Instrument Serif";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../assets/fonts/instrument-serif-italic-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


/* ==========================================================================
   02. Zmienne
   ========================================================================== */
:root {
  /* Paleta marki */
  --c-black: #080808;
  --c-graphite: #151515;
  --c-graphite-2: #1b1b1b;
  --c-silver: #c0c0c0;
  --c-white: #f5f5f5;
  --c-grey-1: #a6a6a6;   /* tekst pomocniczy — kontrast AA na czerni */
  --c-grey-2: #8c8c8c;   /* drobne opisy — kontrast AA na czerni */
  --c-grey-3: #4a4a4a;   /* tylko elementy dekoracyjne */
  --c-error: #e0a4a4;
  --c-success: #d8e4d8;

  --line: rgba(192, 192, 192, 0.12);
  --line-strong: rgba(192, 192, 192, 0.26);
  --surface: rgba(21, 21, 21, 0.72);

  --silver-gradient: linear-gradient(180deg, #f8f8f8 0%, #cfcfcf 45%, #8e8e8e 100%);

  /* Typografia */
  --ff-display: "Instrument Serif", "Times New Roman", Georgia, serif;
  --ff-body: "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lead: clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem);
  --fs-h3: clamp(1.6rem, 1.25rem + 1.4vw, 2.4rem);
  --fs-h2: clamp(2.5rem, 1.6rem + 3.6vw, 4.75rem);
  --fs-h1: clamp(2.85rem, 1.4rem + 5.6vw, 7rem);

  /* Układ */
  --container: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --section-space: clamp(5.5rem, 4rem + 7vw, 10rem);
  --nav-h: 76px;
  --radius: 20px;
  --radius-sm: 12px;

  /* Ruch */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur: 0.5s;
}


/* ==========================================================================
   03. Reset i baza
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 1rem);
  background: var(--c-black);
}

body {
  min-height: 100vh;
  font-family: var(--ff-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  font-weight: 400;
  color: var(--c-white);
  background: var(--c-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Delikatne ziarno — nadaje czerni „papierową” głębię */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.035;
  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='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

body.menu-open { overflow: hidden; }

img, svg, canvas { display: block; max-width: 100%; }
img { height: auto; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

h1, h2, h3 { font-weight: 400; line-height: 1.05; text-wrap: balance; }
p { text-wrap: pretty; }

em { font-style: italic; }

::selection { background: var(--c-silver); color: var(--c-black); }

:focus-visible {
  outline: 1px solid var(--c-silver);
  outline-offset: 4px;
  border-radius: 4px;
}

[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 300;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  background: var(--c-white);
  color: var(--c-black);
  font-weight: 500;
  transform: translateY(-200%);
  transition: transform 0.3s var(--ease);
}
.skip-link:focus { transform: translateY(0); }


/* ==========================================================================
   04. Narzędzia
   ========================================================================== */
.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-silver);
}

.eyebrow__index {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--c-grey-2);
  font-variant-numeric: tabular-nums;
}
.eyebrow__index::after {
  content: "";
  width: 2.25rem;
  height: 1px;
  background: var(--line-strong);
}

.eyebrow__dot {
  position: relative;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-silver);
  box-shadow: 0 0 12px rgba(220, 220, 220, 0.6);
}
.eyebrow__dot::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(192, 192, 192, 0.5);
  animation: pulse 2.6s var(--ease) infinite;
}

.text-silver {
  background: var(--silver-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* zapas na kursywę, by gradient nie ucinał ostatniej litery */
  padding-right: 0.06em;
}

/* Animowane podkreślenie linków */
.link-underline {
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: right bottom;
  padding-bottom: 2px;
  transition: background-size 0.45s var(--ease), color 0.3s ease;
}
.link-underline:hover,
.link-underline:focus-visible,
.link-underline.is-active {
  background-size: 100% 1px;
  background-position: left bottom;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2rem;
  font-weight: 500;
  color: var(--c-white);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 0.35rem;
  transition: border-color 0.3s ease, gap 0.4s var(--ease);
}
.link-arrow:hover { border-color: var(--c-silver); gap: 0.9rem; }

/* Efekt „reflektora” śledzącego kursor (karty) */
.spotlight {
  --mx: 50%;
  --my: 50%;
  position: relative;
  isolation: isolate;
}
.spotlight::before,
.spotlight::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.spotlight::before {
  z-index: -1;
  background: radial-gradient(600px circle at var(--mx) var(--my), rgba(255, 255, 255, 0.055), transparent 45%);
}
.spotlight::after {
  padding: 1px;
  background: radial-gradient(420px circle at var(--mx) var(--my), rgba(230, 230, 230, 0.45), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
}
.spotlight:hover::before,
.spotlight:hover::after { opacity: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(8, 8, 8, 0.7);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-silver);
}
.badge::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-silver);
}


/* ==========================================================================
   05. Przyciski
   ========================================================================== */
.btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.005em;
  white-space: nowrap;
  transition: transform 0.4s var(--ease), background-color 0.4s ease, border-color 0.4s ease, color 0.4s ease, box-shadow 0.4s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(0.98); }

.btn--sm { padding: 0.7rem 1.2rem; font-size: 0.875rem; }
.btn--lg { padding: 1.1rem 1.9rem; font-size: 1rem; }

.btn__icon {
  width: 1.05em;
  height: 1.05em;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.45s var(--ease);
}
.btn:hover .btn__icon,
.link-arrow:hover .btn__icon { transform: translateX(3px); }

/* Główny — srebrny */
.btn--primary {
  color: var(--c-black);
  background: linear-gradient(180deg, #f7f7f7 0%, #d2d2d2 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 12px 32px -14px rgba(210, 210, 210, 0.45);
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.85) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.9s var(--ease);
}
.btn--primary:hover {
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.16),
    0 16px 40px -12px rgba(220, 220, 220, 0.55);
}
.btn--primary:hover::before { transform: translateX(120%); }

/* Drugorzędny — obrys */
.btn--ghost {
  color: var(--c-white);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.02);
}
.btn--ghost:hover {
  border-color: rgba(220, 220, 220, 0.6);
  background: rgba(255, 255, 255, 0.06);
}


/* ==========================================================================
   06. Nawigacja i menu mobilne
   ========================================================================== */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(8, 8, 8, 0.35);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.5s ease, border-color 0.5s ease;
}
.nav.is-scrolled {
  background: rgba(8, 8, 8, 0.72);
  border-bottom-color: var(--line);
}

.nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav__logo img {
  height: 30px;
  width: auto;
  transition: opacity 0.3s ease;
}
.nav__logo:hover img { opacity: 0.8; }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 2.6vw, 2.75rem);
}
.nav__links a {
  font-size: 0.9rem;
  color: var(--c-grey-1);
  transition: color 0.3s ease, background-size 0.45s var(--ease);
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--c-white); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 0.3s ease;
}
.nav__toggle:hover { border-color: var(--c-silver); }
.nav__toggle-line {
  position: absolute;
  left: 50%;
  width: 18px;
  height: 1px;
  background: var(--c-white);
  transition: transform 0.5s var(--ease), top 0.5s var(--ease);
}
.nav__toggle-line:nth-child(1) { top: 18px; transform: translateX(-50%); }
.nav__toggle-line:nth-child(2) { top: 25px; transform: translateX(-50%); }
.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) { top: 21.5px; transform: translateX(-50%) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) { top: 21.5px; transform: translateX(-50%) rotate(-45deg); }

/* Pasek postępu przewijania */
.nav__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  overflow: hidden;
}
.nav__progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--c-silver));
  transform-origin: left center;
  transform: scaleX(0);
}

/* Menu mobilne */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  padding-top: var(--nav-h);
  background: rgba(8, 8, 8, 0.97);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease), visibility 0s linear 0.5s;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.5s var(--ease), visibility 0s;
}
.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-block: 2.5rem 2.5rem;
  overflow-y: auto;
}
.mobile-menu__links li {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.mobile-menu__links a {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding-block: 1.1rem;
  font-family: var(--ff-display);
  font-size: clamp(2.25rem, 9vw, 3.25rem);
  line-height: 1;
  transform: translateY(100%);
  transition: transform 0.7s var(--ease), color 0.3s ease;
}
.mobile-menu__links a:hover { color: var(--c-silver); }
.mobile-menu.is-open .mobile-menu__links a { transform: translateY(0); }
.mobile-menu.is-open .mobile-menu__links li:nth-child(2) a { transition-delay: 0.05s; }
.mobile-menu.is-open .mobile-menu__links li:nth-child(3) a { transition-delay: 0.1s; }
.mobile-menu.is-open .mobile-menu__links li:nth-child(4) a { transition-delay: 0.15s; }
.mobile-menu.is-open .mobile-menu__links li:nth-child(5) a { transition-delay: 0.2s; }
.mobile-menu__num {
  font-family: var(--ff-body);
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  color: var(--c-grey-2);
}
.mobile-menu__footer {
  display: grid;
  gap: 1.25rem;
  padding-top: 2.5rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease) 0.25s, transform 0.6s var(--ease) 0.25s;
}
.mobile-menu.is-open .mobile-menu__footer { opacity: 1; transform: none; }
.mobile-menu__note {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  text-align: center;
}


/* ==========================================================================
   07. Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  isolation: isolate;
}

/* Delikatne światło w tle */
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: -20%;
  right: -10%;
  width: 75vw;
  height: 110%;
  background: radial-gradient(closest-side, rgba(200, 200, 200, 0.09), transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30%;
  background: linear-gradient(180deg, transparent, var(--c-black));
  pointer-events: none;
}

/* Siatka technicznych linii, wygaszona maską */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(to right, rgba(192, 192, 192, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(192, 192, 192, 0.06) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 10%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 65% 45%, #000 10%, transparent 75%);
  animation: fade-in 2s var(--ease) 0.2s both;
}

.hero__visual {
  position: absolute;
  z-index: -1;
  top: 50%;
  right: -6vw;
  width: min(62vw, 860px);
  aspect-ratio: 1;
  transform: translateY(-54%);
  -webkit-mask-image: radial-gradient(closest-side, #000 72%, transparent 100%);
  mask-image: radial-gradient(closest-side, #000 72%, transparent 100%);
  animation: visual-in 2.2s var(--ease) 0.3s both;
}
.hero__canvas { width: 100%; height: 100%; }

.hero__content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: calc(var(--nav-h) + clamp(2.5rem, 7vh, 5rem));
  padding-bottom: clamp(2.5rem, 6vh, 4rem);
}

.hero__eyebrow {
  margin-bottom: clamp(1.5rem, 3vh, 2.25rem);
  animation: rise-fade 1s var(--ease) 0.15s both;
}

.hero__title {
  font-family: var(--ff-display);
  font-size: var(--fs-h1);
  line-height: 0.98;
  letter-spacing: -0.015em;
  max-width: 14ch;
}
.hero__title .line {
  display: block;
  overflow: hidden;
  /* zapas na polskie znaki diakrytyczne i dolne wydłużenia liter (y, j, ą, ę) */
  padding-bottom: 0.2em;
  margin-bottom: -0.2em;
}
.hero__title .line__inner {
  display: block;
  animation: line-up 1.2s var(--ease) both;
}
.hero__title .line:nth-child(1) .line__inner { animation-delay: 0.25s; }
.hero__title .line:nth-child(2) .line__inner { animation-delay: 0.37s; }
.hero__title .line:nth-child(3) .line__inner { animation-delay: 0.49s; }

.hero__lead {
  max-width: 36rem;
  margin-top: clamp(1.5rem, 3.5vh, 2.25rem);
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--c-grey-1);
  animation: rise-fade 1.1s var(--ease) 0.75s both;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: clamp(2rem, 4.5vh, 2.75rem);
  animation: rise-fade 1.1s var(--ease) 0.9s both;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin-top: 1.75rem;
  font-size: var(--fs-sm);
  color: var(--c-grey-2);
  animation: rise-fade 1.1s var(--ease) 1.05s both;
}
.hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}
.hero__meta li::before {
  content: "";
  width: 4px;
  height: 4px;
  transform: rotate(45deg);
  background: var(--c-silver);
  opacity: 0.7;
}

.hero__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1.5rem 2rem;
  position: relative;
  animation: fade-in 1.2s var(--ease) 1.2s both;
}
.hero__bottom::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), var(--line) 60%, transparent);
}

.hero__pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem clamp(1.5rem, 4vw, 3.5rem);
}
.hero__pillars a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.6rem;
  font-size: var(--fs-sm);
  color: var(--c-grey-1);
  transition: color 0.3s ease;
}
.hero__pillars a:hover { color: var(--c-white); }
.hero__pillars span {
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--c-grey-2);
}

.hero__scroll {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-grey-2);
  transition: color 0.3s ease;
}
.hero__scroll:hover { color: var(--c-white); }
.hero__scroll-line {
  position: relative;
  width: 1px;
  height: 36px;
  overflow: hidden;
  background: var(--line);
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-silver);
  animation: scroll-hint 2.4s var(--ease-in-out) infinite;
}


/* ==========================================================================
   08. Marquee
   ========================================================================== */
.marquee {
  position: relative;
  overflow: hidden;
  padding-block: 1.6rem;
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 48s linear infinite;
}
.marquee__track span {
  display: inline-flex;
  align-items: center;
  font-family: var(--ff-display);
  font-style: italic;
  font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem);
  color: var(--c-grey-2);
  white-space: nowrap;
}
.marquee__track span::after {
  content: "";
  width: 5px;
  height: 5px;
  margin-inline: clamp(1.75rem, 3vw, 3rem);
  transform: rotate(45deg);
  border: 1px solid var(--c-silver);
  opacity: 0.6;
}


/* ==========================================================================
   09. Sekcje — wspólne
   ========================================================================== */
.section {
  position: relative;
  padding-block: var(--section-space);
}
.section + .section { border-top: 1px solid var(--line); }

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: 2rem clamp(2rem, 4vw, 4rem);
  margin-bottom: clamp(3.5rem, 6vw, 6rem);
}
.section-head .eyebrow { padding-top: 0.9rem; align-self: start; }

.section-title {
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
  line-height: 1.02;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.section-lead {
  max-width: 38rem;
  margin-top: 1.5rem;
  font-size: var(--fs-lead);
  color: var(--c-grey-1);
}


/* ==========================================================================
   10. Usługi
   ========================================================================== */
.services {
  display: grid;
  gap: 1.25rem;
}

.service {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 2.5rem clamp(2.5rem, 5vw, 5.5rem);
  padding: clamp(1.75rem, 1rem + 3vw, 3.75rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), transparent 60%),
    var(--c-graphite);
  transition: border-color 0.5s ease, transform 0.6s var(--ease);
}
.service:hover { border-color: var(--line-strong); }

.service__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}
.service__num {
  font-family: var(--ff-display);
  font-size: 1.25rem;
  color: var(--c-grey-2);
  transition: color 0.4s ease;
}
.service:hover .service__num { color: var(--c-silver); }

.service__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--c-silver);
  background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.08), transparent 70%);
  transition: border-color 0.5s ease, transform 0.8s var(--ease), box-shadow 0.5s ease;
}
.service__icon svg {
  width: 34px;
  height: 34px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service__icon .fill { fill: currentColor; stroke: none; }
.service__icon .draw { transition: stroke-dashoffset 1.2s var(--ease); }
.service:hover .service__icon {
  border-color: rgba(220, 220, 220, 0.55);
  box-shadow: 0 0 32px -6px rgba(220, 220, 220, 0.3);
  transform: rotate(-8deg);
}

.service__label {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-silver);
}
.service__title {
  margin-top: 1rem;
  font-family: var(--ff-display);
  font-size: var(--fs-h3);
  line-height: 1.08;
}

.service__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 0.25rem;
}
.service__desc {
  color: var(--c-grey-1);
  font-size: var(--fs-md);
  line-height: 1.7;
}
.service__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 2rem;
  width: 100%;
  margin-block: 2rem 2.5rem;
}
.service__list li {
  position: relative;
  padding: 0.85rem 0 0.85rem 1.4rem;
  border-top: 1px solid var(--line);
  font-size: 0.9375rem;
  color: var(--c-white);
}
.service__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.45rem;
  width: 0.6rem;
  height: 1px;
  background: var(--c-silver);
  transition: width 0.4s var(--ease);
}
.service__list li:hover::before { width: 0.9rem; }
.service__cta { margin-top: auto; }


/* ==========================================================================
   11. Dlaczego janas.studio
   ========================================================================== */
.why {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 3rem clamp(3rem, 7vw, 8rem);
  align-items: start;
}
.why__aside {
  position: sticky;
  top: calc(var(--nav-h) + 3rem);
}
.why__aside .section-title { margin-top: 1.75rem; }

.values { border-bottom: 1px solid var(--line); }
.value {
  display: grid;
  grid-template-columns: 3rem 3.5rem minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
  padding-block: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 1px solid var(--line);
  position: relative;
}
.value::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 0;
  height: 1px;
  background: var(--c-silver);
  transition: width 0.8s var(--ease);
}
.value:hover::after { width: 100%; }

.value__num {
  padding-top: 0.45rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  color: var(--c-grey-2);
  font-variant-numeric: tabular-nums;
}
.value__icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  color: var(--c-silver);
  transition: border-color 0.4s ease, transform 0.6s var(--ease);
}
.value:hover .value__icon { border-color: rgba(220, 220, 220, 0.55); transform: translateY(-2px); }
.value__icon svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.value__icon .fill { fill: currentColor; stroke: none; }
.value__title {
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem);
  line-height: 1.1;
}
.value__text {
  margin-top: 0.6rem;
  max-width: 34rem;
  color: var(--c-grey-1);
}


/* ==========================================================================
   12. Proces — oś czasu
   ========================================================================== */
.timeline { position: relative; }

.timeline__line {
  position: absolute;
  top: 7px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line);
}
.timeline__line span {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--c-silver), rgba(192, 192, 192, 0.25));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 2.2s var(--ease-in-out) 0.2s;
}
.timeline.is-visible .timeline__line span { transform: scaleX(1); }

.timeline__steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1.5rem, 3vw, 3rem);
}

.step {
  position: relative;
  padding-top: 3rem;
  opacity: 0.25;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: calc(0.3s + var(--i) * 0.45s);
}
.timeline.is-visible .step { opacity: 1; transform: none; }

.step__dot {
  position: absolute;
  top: 0;
  left: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--c-black);
  transition: border-color 0.6s ease, box-shadow 0.6s ease;
  transition-delay: inherit;
}
.step__dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--c-silver);
  transform: scale(0);
  transition: transform 0.6s var(--ease);
  transition-delay: inherit;
}
.timeline.is-visible .step__dot {
  border-color: var(--c-silver);
  box-shadow: 0 0 18px rgba(220, 220, 220, 0.35);
}
.timeline.is-visible .step__dot::after { transform: scale(1); }

.step__num {
  display: block;
  font-family: var(--ff-display);
  font-size: clamp(3rem, 2rem + 3vw, 4.5rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(192, 192, 192, 0.45);
}
.step__title {
  margin-top: 1.25rem;
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 1.3rem + 1vw, 2.1rem);
}
.step__text {
  margin-top: 0.75rem;
  color: var(--c-grey-1);
}
.step__result {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: var(--fs-sm);
  color: var(--c-white);
}
.step__result span { color: var(--c-grey-2); }


/* ==========================================================================
   13. Portfolio
   ========================================================================== */
.projects {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
  align-items: start;
}
/* Asymetria: środkowa karta przesunięta w dół */
.projects > .project:nth-child(3n + 2) { margin-top: clamp(0rem, 6vw, 5rem); }

.project__link { display: block; }

.project__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--c-graphite);
}
.project__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.8s ease;
  filter: grayscale(0.2) brightness(0.92);
}
.project:hover .project__media img {
  transform: scale(1.045);
  filter: grayscale(0) brightness(1);
}
.project__media .badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 1;
}

.project__info { padding: 1.5rem 0.25rem 0; }
.project__category {
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-grey-2);
}
.project__title {
  margin-top: 0.6rem;
  font-family: var(--ff-display);
  font-size: clamp(1.6rem, 1.3rem + 0.9vw, 2rem);
}
.project__desc {
  margin-top: 0.6rem;
  color: var(--c-grey-1);
}
.project__more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-white);
}
.project__more.is-disabled {
  color: var(--c-grey-2);
  font-weight: 400;
  font-style: italic;
}
.project__link:hover .btn__icon { transform: translate(2px, -2px); }


/* ==========================================================================
   14. Zastosowania
   ========================================================================== */
.cases { border-bottom: 1px solid var(--line); }

.case {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 4fr) minmax(0, 6fr) minmax(0, 2fr);
  gap: 1rem clamp(1.5rem, 3vw, 3rem);
  align-items: baseline;
  padding: clamp(1.75rem, 3vw, 2.5rem) clamp(0.5rem, 1.5vw, 1.5rem);
  border-top: 1px solid var(--line);
  isolation: isolate;
}
.case::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 80%);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.case:hover::before { opacity: 1; }

.case__num {
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  color: var(--c-grey-2);
}
.case__title {
  font-family: var(--ff-display);
  font-size: clamp(1.75rem, 1.35rem + 1.3vw, 2.6rem);
  line-height: 1.05;
  transition: transform 0.6s var(--ease);
}
.case:hover .case__title { transform: translateX(8px); }
.case__solution { color: var(--c-white); font-size: var(--fs-md); }
.case__benefit { margin-top: 0.4rem; color: var(--c-grey-1); }

.case__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.4rem;
}
.case__tags li {
  padding: 0.3rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--c-silver);
  white-space: nowrap;
}


/* ==========================================================================
   15. FAQ
   ========================================================================== */
.faq {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 3rem clamp(3rem, 7vw, 8rem);
  align-items: start;
}
.faq__aside {
  position: sticky;
  top: calc(var(--nav-h) + 3rem);
}
.faq__aside .section-title { margin-top: 1.75rem; }

.accordion { border-bottom: 1px solid var(--line); }
.accordion__item { border-top: 1px solid var(--line); }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.6rem;
  text-align: left;
  font-family: var(--ff-display);
  font-size: clamp(1.35rem, 1.15rem + 0.8vw, 1.85rem);
  line-height: 1.2;
  color: var(--c-white);
  transition: color 0.3s ease;
}
.accordion__trigger:hover { color: var(--c-silver); }

.accordion__icon {
  position: relative;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 0.3s ease, background-color 0.4s ease, transform 0.6s var(--ease);
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.5s var(--ease), background-color 0.4s ease;
}
.accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion__trigger:hover .accordion__icon { border-color: var(--c-silver); }
.accordion__trigger[aria-expanded="true"] .accordion__icon {
  background: var(--c-white);
  border-color: var(--c-white);
  transform: rotate(180deg);
}
.accordion__trigger[aria-expanded="true"] .accordion__icon::before,
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { background: var(--c-black); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(0deg); }

.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.55s var(--ease);
}
.accordion__item.is-open .accordion__panel { grid-template-rows: 1fr; }
.accordion__content { overflow: hidden; }
.accordion__content p {
  max-width: 40rem;
  padding: 0 3.5rem 1.75rem 0;
  color: var(--c-grey-1);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.4s ease, transform 0.5s var(--ease);
}
.accordion__item.is-open .accordion__content p {
  opacity: 1;
  transform: none;
  transition-delay: 0.1s;
}
/* Bez JS panele pozostają otwarte */
html:not(.js) .accordion__panel { grid-template-rows: 1fr; }
html:not(.js) .accordion__content p { opacity: 1; transform: none; }


/* ==========================================================================
   16. Kontakt i formularz
   ========================================================================== */
.contact {
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(180deg, var(--c-black), #0d0d0d 40%, var(--c-black));
}
.contact__glow {
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 0;
  width: min(1100px, 120vw);
  height: 520px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(200, 200, 200, 0.08), transparent);
  pointer-events: none;
}
.contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 3.5rem clamp(3rem, 6vw, 7rem);
  align-items: start;
}
.contact__title { margin-top: 1.75rem; }

.next-steps {
  margin-top: 2.75rem;
  border-top: 1px solid var(--line);
}
.next-steps li {
  display: flex;
  gap: 1.25rem;
  padding-block: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--c-white);
}
.next-steps span {
  min-width: 1.75rem;
  padding-top: 0.2rem;
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  color: var(--c-grey-2);
}

.contact-details {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.contact-details dt {
  font-size: var(--fs-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-grey-2);
}
.contact-details dd {
  margin-top: 0.3rem;
  font-family: var(--ff-display);
  font-size: clamp(1.4rem, 1.2rem + 0.6vw, 1.75rem);
}

.contact__form-wrap {
  padding: clamp(1.5rem, 1rem + 2.5vw, 3rem);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 4px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 40%),
    var(--surface);
  box-shadow: 0 40px 80px -40px rgba(0, 0, 0, 0.8);
}

.form { display: grid; gap: 1.35rem; }
.form__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.35rem;
}

.field { display: grid; gap: 0.5rem; align-content: start; }
.field__label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--c-white);
}
.field__req { color: var(--c-grey-2); }
.field__opt { color: var(--c-grey-2); font-weight: 400; }

.field__input {
  width: 100%;
  min-height: 52px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: rgba(8, 8, 8, 0.6);
  color: var(--c-white);
  font-size: 1rem; /* 16px — zapobiega powiększaniu na iOS */
  line-height: 1.4;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}
.field__input::placeholder { color: #707070; }
.field__input:hover { border-color: rgba(192, 192, 192, 0.42); }
.field__input:focus {
  outline: none;
  border-color: var(--c-silver);
  background: rgba(8, 8, 8, 0.85);
  box-shadow: 0 0 0 4px rgba(192, 192, 192, 0.1);
}
.field__input[aria-invalid="true"] {
  border-color: var(--c-error);
  box-shadow: 0 0 0 4px rgba(224, 164, 164, 0.08);
}
.field__textarea { min-height: 150px; resize: vertical; }

.field__select { position: relative; }
.field__select::after {
  content: "";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 1px solid var(--c-silver);
  border-bottom: 1px solid var(--c-silver);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}
.field__select select { padding-right: 2.75rem; cursor: pointer; }
.field__select select:invalid { color: #8c8c8c; }
.field__select option { background: var(--c-graphite); color: var(--c-white); }

.field__meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.field__error {
  min-height: 1.2em;
  font-size: 0.8125rem;
  color: var(--c-error);
}
.field__error:empty { min-height: 0; }
.field__count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--c-grey-2);
  font-variant-numeric: tabular-nums;
}

/* Pola-pułapki antyspamowe */
.hp {
  position: absolute !important;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 0.5rem;
}
.form__consent {
  max-width: 24rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--c-grey-2);
}
.form__consent a { color: var(--c-grey-1); }

.form__submit { flex-shrink: 0; }
.form__submit[disabled] { cursor: progress; opacity: 0.85; }
.form__spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 1.5px solid rgba(8, 8, 8, 0.25);
  border-top-color: var(--c-black);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.form.is-sending .form__spinner { display: block; }
.form.is-sending .form__submit .btn__icon { display: none; }

.form__status {
  font-size: var(--fs-sm);
  line-height: 1.55;
}
.form__status:empty { display: none; }
.form__status {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.03);
  animation: rise-fade 0.6s var(--ease) both;
}
.form__status.is-success { border-color: rgba(216, 228, 216, 0.4); color: var(--c-success); }
.form__status.is-error { border-color: rgba(224, 164, 164, 0.45); color: var(--c-error); }


/* ==========================================================================
   17. Stopka
   ========================================================================== */
.footer {
  border-top: 1px solid var(--line);
  padding-block: clamp(4rem, 7vw, 6rem) 2rem;
}
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) repeat(3, minmax(0, 1fr));
  gap: 3rem;
  padding-bottom: clamp(3rem, 6vw, 5rem);
}
.footer__brand img { height: 30px; width: auto; }
.footer__brand p {
  max-width: 22rem;
  margin-top: 1.5rem;
  color: var(--c-grey-1);
  font-size: 0.9375rem;
}
.footer__heading {
  margin-bottom: 1.25rem;
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-grey-2);
}
.footer__col ul { display: grid; gap: 0.75rem; }
.footer__col a {
  font-size: 0.9375rem;
  color: var(--c-grey-1);
  transition: color 0.3s ease, background-size 0.45s var(--ease);
}
.footer__col a:hover { color: var(--c-white); }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--c-grey-2);
}
.footer__legal { display: flex; gap: 1.75rem; }
.footer__legal a { transition: color 0.3s ease, background-size 0.45s var(--ease); }
.footer__legal a:hover { color: var(--c-white); }


/* Podstrony: polityka prywatności, 404 */
.btn__icon--back { order: -1; }
.btn:hover .btn__icon--back { transform: translateX(-3px); }

.legal {
  max-width: calc(52rem + var(--gutter) * 2);
  padding-top: calc(var(--nav-h) + clamp(3rem, 8vw, 6rem));
  padding-bottom: var(--section-space);
}
.legal__title {
  margin-top: 1.25rem;
  font-family: var(--ff-display);
  font-size: var(--fs-h2);
}
.legal__meta { margin-top: 1rem; color: var(--c-grey-2); font-size: var(--fs-sm); }
.legal__body { margin-top: clamp(2.5rem, 5vw, 4rem); border-top: 1px solid var(--line); }
.legal__body h2 {
  margin-top: 2.75rem;
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 1.3rem + 0.6vw, 1.85rem);
}
.legal__body p,
.legal__body li { margin-top: 0.9rem; color: var(--c-grey-1); }
.legal__body ul { padding-left: 1.25rem; list-style: disc; }
.legal__body li::marker { color: var(--c-grey-3); }

.footer--compact { padding-block: 0 2rem; border-top: 0; }

.not-found {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 1.5rem;
  padding-block: 4rem;
}
.not-found__logo { margin-bottom: 3rem; }
.not-found__logo img { height: 30px; width: auto; }
.not-found .section-lead { margin-top: 0; margin-bottom: 1rem; }


/* ==========================================================================
   18. Animacje
   ========================================================================== */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 1s var(--ease),
    transform 1.1s var(--ease);
  transition-delay: calc(var(--d, 0) * 0.1s);
}
html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
/* Karty usług: zachowaj płynny hover po zakończeniu animacji wejścia */
html.js .service[data-reveal].is-visible {
  transition: opacity 1s var(--ease), transform 1.1s var(--ease), border-color 0.5s ease;
}

@keyframes line-up {
  from { transform: translateY(105%); }
  to   { transform: translateY(0); }
}
@keyframes rise-fade {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes visual-in {
  from { opacity: 0; transform: translateY(-54%) scale(0.92); }
  to   { opacity: 1; transform: translateY(-54%) scale(1); }
}
@keyframes pulse {
  0%   { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.8); opacity: 0; }
}
@keyframes scroll-hint {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(0); }
  100% { transform: translateY(100%); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
@keyframes spin { to { transform: rotate(360deg); } }


/* ==========================================================================
   19. Responsywność
   ========================================================================== */
@media (max-width: 1100px) {
  .footer__top { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
  .case { grid-template-columns: 3rem minmax(0, 1fr) minmax(0, 1.4fr); }
  .case__tags { grid-column: 2 / -1; justify-content: flex-start; }
}

@media (max-width: 1024px) {
  .nav__menu { display: none; }
  .nav__toggle { display: block; }

  .service { grid-template-columns: minmax(0, 1fr); }
  .service__top { margin-bottom: 2rem; }
  .service__title { max-width: 22ch; }

  .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projects > .project:nth-child(3n + 2) { margin-top: 0; }
  .projects > .project:nth-child(2n) { margin-top: clamp(0rem, 6vw, 4rem); }
}

@media (max-width: 900px) {
  :root { --nav-h: 68px; }

  .section-head { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .section-head .eyebrow { padding-top: 0; }

  .why,
  .faq,
  .contact__grid { grid-template-columns: minmax(0, 1fr); }
  .why__aside,
  .faq__aside { position: static; }

  .hero__visual {
    top: calc(var(--nav-h) + 4vh);
    right: -38vw;
    width: 105vw;
    opacity: 0.55;
    transform: none;
    animation-name: visual-in-mobile;
  }

  /* Oś czasu w pionie */
  .timeline__line {
    top: 0;
    bottom: 0;
    left: 7px;
    right: auto;
    width: 1px;
    height: auto;
  }
  .timeline__line span {
    background: linear-gradient(180deg, var(--c-silver), rgba(192, 192, 192, 0.25));
    transform: scaleY(0);
    transform-origin: center top;
  }
  .timeline.is-visible .timeline__line span { transform: scaleY(1); }
  .timeline__steps { grid-template-columns: minmax(0, 1fr); gap: 3rem; }
  .step { padding-top: 0; padding-left: 3rem; }
  .step__dot { top: 0.6rem; }
  .step__num { font-size: 2.75rem; }
  .step__title { margin-top: 0.75rem; }
}

@keyframes visual-in-mobile {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 0.55; transform: none; }
}

@media (max-width: 680px) {
  .nav__cta { display: none; }

  .hero__title { max-width: none; }
  .hero__actions .btn { width: 100%; }
  .hero__bottom { flex-direction: column; align-items: flex-start; gap: 1.25rem; }
  .hero__pillars { flex-direction: column; gap: 0.6rem; }
  .hero__scroll { display: none; }

  .service__list { grid-template-columns: minmax(0, 1fr); }
  .service__cta { width: 100%; }

  .value { grid-template-columns: 3.25rem minmax(0, 1fr); }
  .value__num { display: none; }
  .value__icon { width: 44px; height: 44px; }

  .projects { grid-template-columns: minmax(0, 1fr); }
  .projects > .project:nth-child(2n) { margin-top: 0; }

  .case {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    padding-inline: 0;
  }
  .case__num { order: -1; }
  .case__tags { grid-column: auto; }

  .accordion__content p { padding-right: 0; }

  .form__row { grid-template-columns: minmax(0, 1fr); }
  .form__footer { flex-direction: column; align-items: stretch; }
  .form__submit { width: 100%; }

  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 1.5rem; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 380px) {
  .footer__top { grid-template-columns: minmax(0, 1fr); }
  .btn--lg { padding-inline: 1.4rem; }
}

/* Urządzenia dotykowe: brak efektów zależnych od kursora */
@media (hover: none) {
  .spotlight::before,
  .spotlight::after { display: none; }
}


/* ==========================================================================
   20. Ograniczony ruch
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0s !important;
  }

  html.js [data-reveal] { opacity: 1; transform: none; }
  .step { opacity: 1; transform: none; }
  .marquee__track { animation: none; }
  .eyebrow__dot::after,
  .hero__scroll-line::after { display: none; }
}

/* janas.studio — premium logo refresh */
.nav__logo { display: inline-flex; align-items: center; gap: 0.45rem; flex-shrink: 0; text-decoration: none; }
.nav__logo img { width: 38px; height: 47px; object-fit: contain; }
.nav__wordmark { color: #e3e0dc; font-family: Georgia, 'Times New Roman', serif; font-size: clamp(1.12rem, 1.7vw, 1.48rem); letter-spacing: -0.045em; white-space: nowrap; line-height: 1; }
.footer__brand img { height: 156px; width: auto; max-width: 100%; object-fit: contain; object-position: left center; }
.not-found__logo img { height: 135px; width: auto; max-width: 100%; }
@media (max-width: 390px) { .nav__logo img { width: 31px; height: 40px; } .nav__wordmark { font-size: 1.1rem; } }