:root {
  --sitting-bg: #0D1117;
  --sitting-deep: #1C1C2E;
  --sitting-surface: #161B22;
  --sitting-paper: #F0F6FC;
  --sitting-tone: #22D3EE;
  --sitting-tone-hover: #67E8F9;
  --sitting-violet: #5B21B6;
  --sitting-ink: #F0F6FC;
  --sitting-ink-dark: #0D1117;
  --sitting-muted: #B6C4D2;
  --sitting-line: #30363D;
  --sitting-gradient: linear-gradient(135deg, #22D3EE 0%, #5B21B6 100%);
  --sitting-gradient-dark: linear-gradient(160deg, #0D1117 0%, #1C1C2E 100%);
  --sitting-radius: 4px;
  --sitting-pill: 999px;
  --sitting-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --sitting-pad: 10dvh;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Lato', sans-serif;
}

@property --sitting-mx { syntax: '<percentage>'; inherits: false; initial-value: 20%; }
@property --sitting-my { syntax: '<percentage>'; inherits: false; initial-value: 30%; }

@view-transition { navigation: auto; }
::view-transition-old(root) { animation: 0.35s ease both vt-out; }
::view-transition-new(root) { animation: 0.45s ease both vt-in; }
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; } }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--sitting-bg);
  color: var(--sitting-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--sitting-tone); }
a:hover { color: var(--sitting-tone-hover); }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; margin: 0 0 0.6em; }
h1, h2 { text-transform: uppercase; }
p { margin: 0 0 1em; }

/* HEADER */
.sitting-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5vw;
  background: var(--sitting-tone);
  color: var(--sitting-ink-dark);
}
.sitting-topbar a { color: var(--sitting-ink-dark); }
.sitting-brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; }
.sitting-brand-name { font-family: var(--font-display); font-size: 1.25rem; text-transform: uppercase; letter-spacing: 0.04em; }
.sitting-topnav { display: none; }
.sitting-burger-toggle { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; }
.sitting-burger-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  cursor: pointer;
}
.sitting-burger-btn span { display: block; width: 26px; height: 3px; background: var(--sitting-ink-dark); border-radius: 2px; }
.sitting-burger-toggle:checked ~ .sitting-topnav {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 1rem 5vw 1.5rem;
  background: var(--sitting-tone);
  gap: 0.8rem;
  border-top: 1px solid rgba(13, 17, 23, 0.2);
}
.sitting-topnav a { font-weight: 700; text-decoration: none; text-transform: uppercase; letter-spacing: 0.05em; }
.sitting-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: var(--sitting-ink-dark);
  transform-origin: 0 50%;
  transform: scaleX(0);
  animation: sitting-grow linear both;
  animation-timeline: scroll(root);
}
@keyframes sitting-grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* HERO: mesh gradient (CSS effect 1) */
.sitting-mesh-hero {
  position: relative;
  overflow: clip;
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: var(--sitting-pad) 8vw;
  background:
    radial-gradient(circle at var(--sitting-mx) var(--sitting-my), rgba(34, 211, 238, 0.35), transparent 45%),
    radial-gradient(circle at 80% 20%, rgba(91, 33, 182, 0.55), transparent 50%),
    radial-gradient(circle at 20% 90%, rgba(34, 211, 238, 0.2), transparent 40%),
    var(--sitting-gradient-dark);
  animation: sitting-mesh 24s ease-in-out infinite alternate;
}
@keyframes sitting-mesh {
  from { --sitting-mx: 15%; --sitting-my: 25%; }
  to { --sitting-mx: 70%; --sitting-my: 60%; }
}
.sitting-hero-inner { position: relative; z-index: 1; max-width: 900px; }
.sitting-display { font-size: clamp(2.6rem, 6vw, 6rem); font-weight: 700; }
.sitting-lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--sitting-muted); max-width: 60ch; }
.sitting-kicker { font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.12em; color: var(--sitting-tone); margin-bottom: 1rem; }

/* BUTTONS (static; hover color/scale only) */
.sitting-btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border-radius: var(--sitting-pill);
  background: var(--sitting-tone);
  color: var(--sitting-ink-dark);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 2px solid var(--sitting-tone);
  cursor: pointer;
  box-shadow: var(--sitting-shadow);
  transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}
.sitting-btn:hover { background: var(--sitting-tone-hover); color: var(--sitting-ink-dark); transform: scale(1.03); }
.sitting-btn:active { transform: scale(0.99); }
.sitting-btn--dark { background: var(--sitting-ink-dark); color: var(--sitting-ink); border-color: var(--sitting-ink-dark); }
.sitting-btn--dark:hover { background: var(--sitting-bg); color: var(--sitting-tone); }
.sitting-btn--ghost { background: transparent; color: var(--sitting-ink); border-color: var(--sitting-ink); }
.sitting-btn--ghost:hover { background: var(--sitting-ink); color: var(--sitting-ink-dark); }
.sitting-btn--small { padding: 0.55rem 1.2rem; font-size: 0.9rem; }

/* MARQUEE (CSS effect 2) */
.sitting-marquee {
  overflow: hidden;
  background: var(--sitting-violet);
  color: var(--sitting-ink);
  padding: 1rem 0;
}
.sitting-marquee-track {
  display: flex;
  width: max-content;
  gap: 3rem;
  pointer-events: none;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  animation: sitting-marquee 36s linear infinite;
}
.sitting-marquee-track span { white-space: nowrap; }
.sitting-marquee:hover .sitting-marquee-track { animation-play-state: paused; }
@keyframes sitting-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* BANDS */
.sitting-band { padding: var(--sitting-pad) 8vw; }
.sitting-band--dark { background: var(--sitting-bg); color: var(--sitting-ink); }
.sitting-band--deep { background: var(--sitting-deep); color: var(--sitting-ink); }
.sitting-band--paper { background: var(--sitting-paper); color: var(--sitting-ink-dark); }
.sitting-band--paper a { color: var(--sitting-violet); }
.sitting-band--light { background: var(--sitting-paper); color: var(--sitting-ink-dark); }
.sitting-band--accent { background: var(--sitting-tone); color: var(--sitting-ink-dark); }
.sitting-band--accent a { color: var(--sitting-ink-dark); }
.sitting-band--violet { background: var(--sitting-violet); color: var(--sitting-ink); }
.sitting-band--violet .sitting-btn { background: var(--sitting-ink); color: var(--sitting-ink-dark); border-color: var(--sitting-ink); }
.sitting-band--violet .sitting-btn:hover { background: var(--sitting-tone); color: var(--sitting-ink-dark); }
.sitting-band--violet .sitting-btn--dark { background: var(--sitting-ink); color: var(--sitting-ink-dark); }
.sitting-band--accent .sitting-btn--dark { background: var(--sitting-ink-dark); color: var(--sitting-ink); }
.sitting-heading { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 700; }
.sitting-intro-wrap { max-width: 720px; }
.sitting-cta-strip { text-align: center; }
.sitting-cta-strip p { font-size: 1.15rem; }

/* PHOTO BANDS */
.sitting-photo-band { margin: 0; overflow: hidden; height: 40vh; }
.sitting-photo-band img { width: 100%; height: 100%; object-fit: cover; }
.sitting-photo-band--short { height: 32vh; }

/* SPLIT */
.sitting-split { display: grid; grid-template-columns: 1fr; gap: 3rem; align-items: center; }
.sitting-side-figure { margin: 0; }
.sitting-side-figure img { width: 100%; height: auto; border-radius: var(--sitting-radius); box-shadow: var(--sitting-shadow); }
.sitting-quote { margin: 0; font-family: var(--font-display); font-size: clamp(1.8rem, 3.6vw, 3.4rem); line-height: 1.2; border-left: 6px solid var(--sitting-tone); padding-left: 1.5rem; }
.sitting-quote cite { display: block; margin-top: 1rem; font-family: var(--font-body); font-size: 1rem; font-style: normal; color: var(--sitting-muted); }
.sitting-split-text { max-width: 60ch; }

/* FEATURE BANDS */
.sitting-feature-band { display: flex; gap: 4rem; align-items: center; padding: 5dvh 8vw; }
.sitting-feature-band.sitting-band--dark, .sitting-feature-band.sitting-band--violet, .sitting-feature-band.sitting-band--accent { color: inherit; }
.sitting-feature-band.sitting-band--accent { color: var(--sitting-ink-dark); }
.sitting-feature-num { flex: 0 0 auto; font-family: var(--font-display); font-size: clamp(4rem, 9vw, 7rem); font-weight: 700; line-height: 1; color: var(--sitting-tone); }
.sitting-band--accent .sitting-feature-num { color: var(--sitting-ink-dark); }
.sitting-band--violet .sitting-feature-num { color: var(--sitting-tone); }
.sitting-feature-body { max-width: 60ch; }
.sitting-feature-body h3 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); text-transform: uppercase; }

/* STEPS */
.sitting-how .sitting-heading { margin-bottom: 2rem; }
.sitting-steps-row { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.sitting-step { border-top: 4px solid var(--sitting-violet); padding-top: 1rem; }
.sitting-step-no { display: block; font-family: var(--font-display); font-size: 4.5rem; font-weight: 700; line-height: 1; color: var(--sitting-violet); }
.sitting-step h3 { font-size: 1.5rem; text-transform: uppercase; }

/* TILES (cards without transforms) */
.sitting-tiles { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.sitting-tile {
  background: var(--sitting-surface);
  border: 1px solid var(--sitting-line);
  border-radius: var(--sitting-radius);
  padding: 2rem;
  box-shadow: var(--sitting-shadow);
  position: relative;
  overflow: hidden;
}
.sitting-band--paper .sitting-tile, .sitting-band--light .sitting-tile { background: #FFFFFF; color: var(--sitting-ink-dark); border-color: #D0D7DE; }
.sitting-tile-icon { display: inline-block; color: var(--sitting-tone); margin-bottom: 1rem; }
.sitting-tile h2, .sitting-tile h3 { font-size: 1.6rem; }
.sitting-tile h2 { text-transform: uppercase; }
.sitting-tile p { color: var(--sitting-muted); }
.sitting-tile .sitting-num-list p { color: inherit; }
.sitting-band--paper .sitting-tile p { color: #3A4450; }
.sitting-num-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.sitting-num-list li { display: flex; align-items: center; gap: 0.7rem; }
.sitting-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border-radius: 50%;
  background: var(--sitting-violet);
  color: var(--sitting-ink);
  font-family: var(--font-display);
  font-weight: 700;
}
.sitting-num-list li:nth-child(2) .sitting-num-badge { background: var(--sitting-tone); color: var(--sitting-ink-dark); }
.sitting-num-list li:nth-child(4) .sitting-num-badge { background: var(--sitting-ink-dark); color: var(--sitting-ink); }

/* STATS */
.sitting-stats .sitting-heading { margin-bottom: 2rem; }
.sitting-stat-row { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.sitting-stat { display: flex; align-items: baseline; gap: 1.2rem; border-bottom: 2px solid var(--sitting-ink-dark); padding: 1rem 0; }
.sitting-stat-num { font-family: var(--font-display); font-size: clamp(3rem, 6vw, 5rem); font-weight: 700; line-height: 1; }
.sitting-stat-label { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* FORMS */
.sitting-form-band { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.sitting-form-card {
  width: 100%;
  max-width: 560px;
  background: #FFFFFF;
  color: var(--sitting-ink-dark);
  border: 1px solid #D0D7DE;
  border-radius: var(--sitting-radius);
  padding: 2rem;
  box-shadow: var(--sitting-shadow);
}
.sitting-form-card .sitting-heading { font-size: 2rem; }
.sitting-field { display: block; margin-bottom: 1.2rem; font-weight: 700; }
.sitting-field span { display: block; margin-bottom: 0.35rem; }
.sitting-field input, .sitting-field textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  font: inherit;
  font-weight: 400;
  color: var(--sitting-ink-dark);
  background: #F6F8FA;
  border: 2px solid #8B949E;
  border-radius: var(--sitting-radius);
}
.sitting-field input:focus, .sitting-field textarea:focus { outline: 3px solid var(--sitting-violet); outline-offset: 2px; }
.sitting-check { display: flex; gap: 0.7rem; align-items: flex-start; margin-bottom: 1.5rem; font-size: 0.95rem; }
.sitting-check input { margin-top: 0.35rem; width: 18px; height: 18px; flex: 0 0 18px; }
.sitting-form-card .sitting-btn { width: 100%; }
.sitting-contact { text-align: center; }
.sitting-res-head { padding-bottom: 6dvh; }
.sitting-res-head .sitting-display { font-size: clamp(2.4rem, 5vw, 4.5rem); }
.sitting-tiles-wrap .sitting-tiles { max-width: 1100px; margin: 0 auto; }

/* FAQ */
.sitting-faq details { border-bottom: 2px solid var(--sitting-ink-dark); padding: 1rem 0; }
.sitting-faq summary { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; cursor: pointer; text-transform: uppercase; }
.sitting-faq details p { margin-top: 0.8rem; }

/* THANKS / LEGAL */
.sitting-thanks-wrap { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.sitting-thanks-wrap .sitting-lead { margin: 0 auto; }
.sitting-legal-main { min-height: 100vh; }
.sitting-legal-body { max-width: 860px; margin: 0 auto; min-height: 50vh; }
.sitting-legal-body h2 { margin-top: 0.5rem; }
.sitting-legal-body p { font-size: 1.05rem; }
.sitting-band--dark.sitting-legal-body a { color: var(--sitting-tone); }

/* FOOTER */
.sitting-footer-band {
  background: var(--sitting-surface);
  color: var(--sitting-ink);
  padding: 4dvh 8vw 3dvh;
  text-align: center;
  border-top: 4px solid var(--sitting-tone);
}
.sitting-disclaimer { font-size: 0.95rem; color: var(--sitting-muted); margin-bottom: 1rem; }
.sitting-footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem; margin-bottom: 1rem; }
.sitting-footer-links a { color: var(--sitting-ink); text-decoration: underline; }
.sitting-footer-links a:hover { color: var(--sitting-tone); }
.sitting-copy { font-size: 0.9rem; color: var(--sitting-muted); margin: 0; }

/* COOKIE BAR (static, fixed) */
.sitting-cookie-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 5vw;
  background: var(--sitting-ink-dark);
  color: var(--sitting-ink);
  border-top: 3px solid var(--sitting-tone);
}
.sitting-cookie-bar[hidden] { display: none; }
.sitting-cookie-bar p { margin: 0; }
.sitting-cookie-btns { display: flex; gap: 0.6rem; }

/* STAGGER REVEAL (JS effect 3): hidden only when .js is present */
.js .sitting-reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.js .sitting-reveal.is-in { opacity: 1; transform: none; }
.js .sitting-reveal--fade { opacity: 0; transition: opacity 0.6s ease; }
.js .sitting-reveal--fade.is-in { opacity: 1; }

/* RESPONSIVE */
@media (min-width: 760px) {
  .sitting-burger-btn { display: none; }
  .sitting-topnav { display: flex; gap: 2rem; }
  .sitting-topnav a { text-decoration: none; }
  .sitting-split { grid-template-columns: 1.1fr 0.9fr; }
  .sitting-feature-band { padding: 5dvh 8vw; }
  .sitting-steps-row { grid-template-columns: repeat(3, 1fr); }
  .sitting-tiles { grid-template-columns: repeat(3, 1fr); }
  .sitting-stat-row { grid-template-columns: repeat(4, 1fr); }
  .sitting-photo-band { height: 40vh; }
  .sitting-band--dark.sitting-split, .sitting-band--deep.sitting-split { grid-template-columns: 0.9fr 1.1fr; }
}
@media (min-width: 1200px) {
  .sitting-mesh-hero { padding: var(--sitting-pad) 8vw; }
}
@media (max-width: 380px) {
  .sitting-brand-name { font-size: 1rem; }
  .sitting-band { padding-left: 5vw; padding-right: 5vw; }
  .sitting-feature-band { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* ELEGANT CONTRAST FOR BANDS WITH SPECIFIC BACKGROUNDS */
.sitting-band--accent .sitting-kicker { color: var(--sitting-ink-dark); }
.sitting-res-head .sitting-lead { color: var(--sitting-ink-dark); }

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  html { view-transition-name: none; }
}