/* ==========================================================================
   KLIKA - SKN Algorytmiki i Programowania
   Motyw: polarna noc / lód / dziób pingwina / zorza
   ========================================================================== */

:root {
  /* kolory */
  --night-900: #060D1A;
  --night-800: #0A1424;
  --night-700: #0F1D33;
  --night-600: #16294A;
  --ice-300: #BFEAFF;
  --ice-400: #8AD8FF;
  --ice-500: #4FBDF2;
  --beak-300: #FFC061;
  --beak-400: #FFAA33;
  --aurora-400: #57E6B4;
  --violet-400: #8F8AFF;
  --snow-100: #EEF6FC;
  --snow-300: #C9DAE9;
  --mist-400: #93A9C4;
  /* jedyny stan błędu w systemie: terminal (tekst) i kropka okna */
  --alert-300: #FF8383;
  --alert-400: #FF6B6B;
  --line: rgba(138, 216, 255, 0.14);
  --line-soft: rgba(138, 216, 255, 0.08);

  /* typografia */
  --font-display: 'Gabarito', sans-serif;
  --font-body: 'Hanken Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* stopnie użyte w więcej niż jednym miejscu; reszta rozmiarów jest lokalna
     i opisana w DESIGN.md (sekcja "Rampa typograficzna") */
  --text-meta: 12px;      /* podpisy mono: tagi kart, tytuł terminala, stopka */
  --text-label: 12.5px;   /* rola "label" z DESIGN.md: eyebrow, nota hero */
  --text-terminal: 13.5px;/* wnętrze terminala: wyjście i prompt - trzymać zgodnie */
  --text-ui: 15.5px;      /* tekst sterujący: przyciski, treść kart */

  /* rytm */
  --radius-xs: 4px;
  --radius-sm: 10px;
  --radius-btn: 12px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --gap: 20px;
  --pad-card: 30px;
  --section-y: 110px;
  --section-y-sm: 80px;
  --container: 1160px;
  --container-pad: 24px;

  /* ruch */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 0.2s;
  --t-mid: 0.25s;
  --t-slow: 0.7s;
}

/* ---------- baza ---------- */

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1200px 800px at 80% -10%, rgba(22, 41, 74, 0.55), transparent 60%),
    linear-gradient(180deg, var(--night-900), var(--night-800) 30%);
  background-color: var(--night-800);
  color: var(--snow-100);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ice-400); color: var(--night-900); }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--ice-400);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* wcięcia bezpieczne dla telefonów z notchem w orientacji poziomej */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline:
    max(var(--container-pad), env(safe-area-inset-left))
    max(var(--container-pad), env(safe-area-inset-right));
}

.mono { font-family: var(--font-mono); }

.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 200;
  background: var(--ice-400);
  color: var(--night-900);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-76px);
  transition: transform var(--t-fast) var(--ease-out);
}
.skip-link:focus { transform: translateY(0); }

section { scroll-margin-top: 96px; }

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  text-wrap: balance;
}

p, li { text-wrap: pretty; }

/* ---------- nagłówek ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled,
.site-header.nav-open {
  background: rgba(7, 13, 26, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-soft);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 74px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  /* pełna wysokość paska: cel dotykowy 44px+ bez zmiany wyglądu */
  padding-block: 8px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  fill: currentColor;
  color: var(--ice-400);
  flex-shrink: 0;
  transition: color var(--t-mid) ease;
}
.brand:hover .brand-mark { color: var(--ice-300); }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.06em;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--mist-400);
  letter-spacing: 0.08em;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
  font-weight: 500;
  font-size: 15px;
}
.nav-links a {
  text-decoration: none;
  color: var(--snow-300);
  transition: color var(--t-fast) ease;
  /* 24px+ w pionie także przy myszy (WCAG 2.5.8) */
  padding-block: 10px;
}
.nav-links a:hover { color: var(--ice-400); }

.nav-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--snow-100);
  padding: 10px;
  /* wysokość ikony schodziła do 43.3px przez zaokrąglenie viewBoxa;
     to jedyny cel dotykowy bez zapasu, więc wymuszamy 44x44 (WCAG 2.5.5) */
  min-width: 44px;
  min-height: 44px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 8px var(--container-pad) 20px;
  gap: 4px;
}
.mobile-menu a {
  text-decoration: none;
  color: var(--snow-300);
  padding: 12px 4px;
  font-weight: 500;
  border-bottom: 1px solid var(--line-soft);
}
.mobile-menu a:hover { color: var(--ice-400); }
.site-header.nav-open .mobile-menu { display: flex; }

/* ---------- przyciski ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-ui);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease-out), box-shadow var(--t-fast) ease,
              background var(--t-fast) ease, border-color var(--t-fast) ease, color var(--t-fast) ease;
}
.btn-primary {
  background: linear-gradient(180deg, var(--beak-300), var(--beak-400));
  color: var(--night-900);
  box-shadow: 0 4px 20px rgba(255, 170, 51, 0.22);
}
.btn:active { transform: translateY(0) scale(0.97); }
.btn-ghost {
  border: 1px solid rgba(138, 216, 255, 0.28);
  color: var(--snow-100);
  background: rgba(138, 216, 255, 0.04);
}
.btn-sm { padding: 11px 20px; font-size: 14px; }

/* hovery tylko dla prawdziwego kursora, żeby nie kleiły się po tapnięciu */
@media (hover: hover) {
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 170, 51, 0.34);
  }
  .btn-ghost:hover {
    border-color: var(--ice-400);
    color: var(--ice-300);
    background: rgba(138, 216, 255, 0.09);
  }
  .card:hover {
    transform: translateY(-4px);
    border-color: rgba(138, 216, 255, 0.3);
    box-shadow: 0 14px 44px rgba(79, 189, 242, 0.1);
  }
}
.btn-lg { padding: 17px 34px; font-size: 16.5px; }

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

.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: 150px 0 90px;
  overflow: hidden;
}

.aurora { position: absolute; inset: 0; pointer-events: none; }
.blob {
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.32;
}
.blob-ice {
  top: -220px; right: -120px;
  background: radial-gradient(circle, rgba(79, 189, 242, 0.55), transparent 65%);
  animation: drift 26s ease-in-out infinite alternate;
}
.blob-green {
  bottom: -260px; left: -180px;
  background: radial-gradient(circle, rgba(87, 230, 180, 0.4), transparent 65%);
  animation: drift 32s ease-in-out -8s infinite alternate-reverse;
}
.blob-violet {
  top: 30%; left: 42%;
  width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(143, 138, 255, 0.3), transparent 65%);
  animation: drift 38s ease-in-out -16s infinite alternate;
}
@keyframes drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(60px, 40px, 0) scale(1.12); }
}

.snow { position: absolute; inset: 0; pointer-events: none; }

/* sceny poza ekranem nie mielą GPU */
.hero.offstage .blob,
.hero.offstage .flake,
.offstage .mark-big { animation-play-state: paused; }
.flake {
  position: absolute;
  top: -8px;
  left: var(--x, 50%);
  width: var(--s, 3px);
  height: var(--s, 3px);
  border-radius: 50%;
  background: var(--ice-300);
  opacity: var(--o, 0.25);
  animation: fall var(--d, 14s) linear var(--delay, 0s) infinite;
}
@keyframes fall {
  to { transform: translate3d(var(--sx, 20px), 108vh, 0); }
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 56px;
  align-items: center;
}
/* bez tego elementy gridu mają min-width:auto i terminal narzuca
   całej sekcji podłogę ~382px, która wycieka poza wąskie ekrany */
.hero-grid > * { min-width: 0; }

.eyebrow {
  font-size: var(--text-label);
  letter-spacing: 0.14em;
  color: var(--ice-400);
  margin: 0 0 20px;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin-bottom: 26px;
}
@media (min-width: 980px) {
  .hero-line { white-space: nowrap; }
}
/* słowo zamrożone w kostce lodu */
.ice-cube {
  position: relative;
  display: inline-block;
  padding: 0.04em 0.2em 0.1em;
  margin-top: 0.1em;
  color: var(--ice-300);
  background: linear-gradient(135deg,
    rgba(138, 216, 255, 0.18),
    rgba(79, 189, 242, 0.05) 55%,
    rgba(138, 216, 255, 0.14));
  border: 1px solid rgba(191, 234, 255, 0.35);
  border-radius: var(--radius-btn);
  transform: rotate(-1.4deg);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -6px 18px rgba(79, 189, 242, 0.12),
    0 8px 34px rgba(79, 189, 242, 0.16);
}

.hero-lead {
  font-size: 18.5px;
  color: var(--snow-300);
  max-width: 520px;
  margin: 0 0 36px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-note {
  margin-top: 26px;
  font-size: var(--text-label);
  color: var(--mist-400);
  letter-spacing: 0.04em;
}

/* ---------- terminal ---------- */

.terminal {
  background: rgba(6, 13, 26, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow:
    0 24px 70px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(138, 216, 255, 0.03),
    0 0 60px rgba(79, 189, 242, 0.07);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: rgba(15, 29, 51, 0.9);
  border-bottom: 1px solid var(--line-soft);
}
.term-dot { width: 11px; height: 11px; border-radius: 50%; flex-shrink: 0; }
.dot-r { background: var(--alert-400); }
.dot-y { background: var(--beak-300); }
.dot-g { background: var(--aurora-400); }
.term-title {
  margin-left: 10px;
  font-size: var(--text-meta);
  color: var(--mist-400);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.term-body {
  height: 380px;
  overflow-y: auto;
  padding: 20px 20px 16px;
  font-family: var(--font-mono);
  font-size: var(--text-terminal);
  line-height: 1.7;
  cursor: text;
  scrollbar-width: thin;
  scrollbar-color: var(--night-600) transparent;
}
/* obszar przewijany jest w kolejności Tab, więc musi mieć widoczny focus */
.term-body:focus-visible { outline-offset: -3px; }

.t-line { white-space: pre-wrap; overflow-wrap: anywhere; }
.t-prompt { color: var(--aurora-400); font-weight: 600; }
.t-cmd { color: var(--snow-100); }
.t-out { color: var(--snow-300); }
.t-dim { color: var(--mist-400); }
.t-ok { color: var(--aurora-400); }
.t-err { color: var(--alert-300); }
.t-ice { color: var(--ice-400); }
.t-pre {
  margin: 6px 0;
  font-family: inherit;
  color: var(--ice-300);
  line-height: 1.35;
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background: var(--aurora-400);
  vertical-align: -2px;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.term-line { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.term-line input {
  flex: 1;
  /* 8ch zamiast 0: przy 320px input nie zapada się do zera, a wiersz
     nadal mieści się bez zawijania */
  min-width: 8ch;
  /* wysokość wiersza dawała 18px - poniżej progu 24x24 z WCAG 2.5.8 */
  min-height: 24px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--snow-100);
  font-family: var(--font-mono);
  font-size: var(--text-terminal);
  caret-color: var(--aurora-400);
  padding: 0;
}
/* terminal zajęty: readonly zamiast disabled, żeby nie gubić focusu */
.term-line input[readonly] { opacity: 0.45; cursor: progress; }

.t-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 74px;
  margin: 8px 0;
}
.bar {
  width: 11px;
  height: 69px;
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  background: linear-gradient(180deg, var(--ice-300), var(--ice-500));
  transform-origin: bottom;
  transition: transform 90ms ease;
}
.bar.active { background: linear-gradient(180deg, var(--beak-300), var(--beak-400)); }

.term-hint {
  margin: 14px 4px 0;
  font-size: var(--text-meta);
  color: var(--mist-400);
  letter-spacing: 0.04em;
}
.term-hint b { color: var(--ice-400); font-weight: 600; }
/* bez JS terminal nie działa - podpowiedź o wpisywaniu komend znika,
   a jej miejsce zajmuje statyczne wyjaśnienie z HTML-a */
.no-js-only { display: none; }
html:not(.js) .js-only { display: none; }
html:not(.js) .no-js-only { display: block; }

/* iOS zoomuje stronę przy focusie inputów < 16px */
@media (pointer: coarse) {
  .term-line input { font-size: 16px; }
}

/* ---------- code strip ---------- */

.code-strip {
  text-align: center;
  padding: 18px var(--container-pad);
  font-size: 13px;
  color: var(--mist-400);
  letter-spacing: 0.03em;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(15, 29, 51, 0.35);
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}
.code-strip::-webkit-scrollbar { display: none; }

/* ---------- sekcje ---------- */

.section { padding: var(--section-y) 0; }
.section-alt {
  background: rgba(6, 13, 26, 0.5);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.section-head { margin-bottom: 56px; max-width: 720px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
}
.section-lead {
  color: var(--snow-300);
  font-size: 17.5px;
  margin: 18px 0 0;
}

/* ---------- karty (bento) ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gap);
}
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }

.card {
  background: linear-gradient(180deg, var(--night-700), rgba(10, 20, 36, 0.6));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: var(--pad-card) var(--pad-card) 26px;
  min-width: 0;
  transition: transform var(--t-mid) var(--ease-out), border-color var(--t-mid) ease, box-shadow var(--t-mid) ease;
}

.card-icon {
  color: var(--ice-400);
  margin-bottom: 18px;
}
.card-icon svg { width: 30px; height: 30px; display: block; }

.card h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
}
.card p { margin: 0; color: var(--mist-400); font-size: var(--text-ui); }
.card .card-tags {
  margin-top: var(--gap);
  font-size: var(--text-meta);
  color: var(--ice-400);
  opacity: 0.75;
  letter-spacing: 0.05em;
}

/* ---------- pingwin ---------- */

.pingwin-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 72px;
  align-items: center;
}
.pingwin-grid > * { min-width: 0; }

.pingwin-mark { display: grid; place-items: center; }
.mark-big {
  width: min(320px, 70vw);
  height: min(320px, 70vw);
  fill: currentColor;
  color: var(--ice-400);
  filter: drop-shadow(0 0 44px rgba(79, 189, 242, 0.28));
  animation: floaty 7s ease-in-out infinite alternate;
}
@keyframes floaty {
  from { transform: translateY(-8px); }
  to   { transform: translateY(10px); }
}

.pingwin-copy .section-head { margin-bottom: 34px; }

.reasons {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: reason;
  max-width: 560px;
}
.reasons li {
  counter-increment: reason;
  position: relative;
  padding: 18px 0 18px 64px;
  border-bottom: 1px solid var(--line-soft);
  color: var(--snow-300);
  font-size: 16.5px;
}
.reasons li:last-child { border-bottom: none; }
.reasons li::before {
  content: counter(reason) ".";
  position: absolute;
  left: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--beak-400);
  font-weight: 600;
}

/* ---------- dołącz ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-bottom: 56px;
}
.step {
  background: linear-gradient(180deg, var(--night-700), rgba(10, 20, 36, 0.6));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 28px;
  min-width: 0;
}
.step-num {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--beak-400);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.step p { margin: 0; color: var(--mist-400); font-size: 15px; }

.join-cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ---------- stopka ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  background: var(--night-900);
  padding: 72px 0 max(44px, env(safe-area-inset-bottom));
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
  text-align: center;
}
.footer-logo {
  width: min(540px, 88%);
  height: auto;
  opacity: 0.95;
}
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--gap); }
.footer-links a {
  display: inline-block;
  text-decoration: none;
  color: var(--mist-400);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 12px 6px;
  transition: color var(--t-fast) ease;
}
.footer-links a:hover { color: var(--ice-400); }
.footer-note {
  margin: 0;
  font-size: var(--text-meta);
  color: var(--mist-400);
  /* bez opacity: 0.8 - zbijało kontrast do 5.5:1 i rozjeżdżało stopkę
     z sąsiednimi linkami, które są w tym samym kolorze bez przygaszenia */
  letter-spacing: 0.03em;
}

/* ---------- ruch: wejście hero ---------- */

@keyframes intro-rise {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
.intro {
  animation: intro-rise var(--t-slow) var(--ease-out) both;
  animation-delay: var(--d, 0s);
}

/* osadzenie lodowej tabliczki w H1 */
@keyframes cube-settle {
  from { transform: rotate(-4.5deg) scale(1.06); }
  to   { transform: rotate(-1.4deg) scale(1); }
}
.ice-cube { animation: cube-settle var(--t-slow) var(--ease-out) 0.55s both; }

/* nowe linie w terminalu */
@keyframes term-line-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}
.t-line { animation: term-line-in 0.18s ease-out both; }

/* ---------- reveal przy scrollu (tylko z JS) ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--t-slow) var(--ease-out), transform var(--t-slow) var(--ease-out);
  transition-delay: calc(var(--i, 0) * 60ms);
}
.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- responsywność ---------- */

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero { padding-top: 130px; }
  .hero-lead { max-width: 640px; }
  .pingwin-grid { grid-template-columns: 1fr; gap: 44px; text-align: center; }
  .reasons { margin-inline: auto; text-align: left; }
  .steps { grid-template-columns: 1fr; }
  .span-7, .span-5 { grid-column: span 12; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .section { padding: var(--section-y-sm) 0; }
  .term-body { height: 320px; font-size: 12.5px; }
  .hero { padding-top: 112px; padding-bottom: 64px; }
  .hero-cta .btn { width: 100%; }
  .join-cta .btn { width: 100%; }
  .brand-sub { display: none; }
}

/* wąskie telefony: terminal oddycha, prompt nie zjada wiersza */
@media (max-width: 380px) {
  :root { --container-pad: 18px; }
  .term-body { padding: 16px 14px 14px; }
  .nav-inner { gap: 16px; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .blob, .flake, .mark-big, .cursor,
  .intro, .ice-cube, .t-line { animation: none !important; }
  .reveal, .js .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
  .btn-primary:hover, .card:hover { transform: none; }
  .btn:active { transform: none; }
  .skip-link { transition: none; }
}