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

/* ===== Реєстрація властивостей для анімації градієнтів ===== */
@property --sit-x1 { syntax: '<percentage>'; inherits: false; initial-value: 15%; }
@property --sit-y1 { syntax: '<percentage>'; inherits: false; initial-value: 25%; }
@property --sit-x2 { syntax: '<percentage>'; inherits: false; initial-value: 85%; }
@property --sit-y2 { syntax: '<percentage>'; inherits: false; initial-value: 75%; }
@property --sit-x3 { syntax: '<percentage>'; inherits: false; initial-value: 50%; }
@property --sit-y3 { syntax: '<percentage>'; inherits: false; initial-value: 20%; }

/* ===== Змінні теми (темна тема, золотий акцент) ===== */
:root {
  --sit-bg: #0D1117;
  --sit-surface: #161D27;
  --sit-tone: #F5B942;
  --sit-tone-hover: #FFD06A;
  --sit-ink: #F4F1EA;
  --sit-muted: #B9C0CC;
  --sit-deep: #0A0E14;
  --sit-coral: #E8743B;
  --sit-teal: #4FD1C5;
  --sit-line: #2A3442;
  --sit-gradient: linear-gradient(135deg, #F5B942 0%, #E8743B 100%);
  --sit-radius: 16px;
  --sit-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Work Sans', sans-serif;
}

/* ===== Базове ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  background: var(--sit-bg);
  color: var(--sit-ink);
  line-height: 1.6;
  font-size: 1rem;
  overflow-x: hidden;
}
h1, h2, h3 {
  font-family: var(--font-display);
  text-transform: uppercase;
  line-height: 1.1;
  overflow-wrap: break-word;
  font-weight: 600;
}
h1 { font-size: clamp(3rem, 6vw, 6rem); margin-bottom: 1.2rem; }
h2 { font-size: clamp(2rem, 3.6vw, 3.4rem); margin-bottom: 1.4rem; }
h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); margin-bottom: 0.6rem; }
p { margin-bottom: 1rem; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.sr-only, .sit-sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
:focus-visible { outline: 3px solid var(--sit-tone); outline-offset: 3px; }

.sit-kicker {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.9rem;
  color: var(--sit-tone);
  margin-bottom: 0.8rem;
}
.sit-band-accent .sit-kicker { color: var(--sit-deep); }

/* ===== Header ===== */
.sit-head {
  position: relative;
  background: var(--sit-tone);
  color: var(--sit-deep);
  z-index: 5;
}
.sit-head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 6vw;
  gap: 1rem;
}
.sit-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sit-deep);
}
.sit-brand svg { width: 44px; height: 44px; flex: none; }
.sit-toggle-input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.sit-burger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
}
.sit-burger i {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--sit-deep);
  border-radius: 2px;
}
.sit-toggle-input:focus-visible ~ .sit-burger { outline: 3px solid var(--sit-ink); outline-offset: 3px; }
.sit-navlinks {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--sit-deep);
  flex-direction: column;
  padding: 1rem 6vw 1.4rem;
  gap: 0.4rem;
  z-index: 6;
}
.sit-navlinks a {
  color: var(--sit-ink);
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--sit-line);
}
.sit-navlinks a:hover { color: var(--sit-tone); }
.sit-toggle-input:checked ~ .sit-navlinks { display: flex; }

.sit-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 100%;
  background: var(--sit-deep);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}
@supports (animation-timeline: scroll()) {
  .sit-progress {
    animation: sit-grow linear both;
    animation-timeline: scroll(root);
  }
}
@keyframes sit-grow { to { transform: scaleX(1); } }

@media (min-width: 900px) {
  .sit-burger { display: none; }
  .sit-navlinks {
    display: flex;
    position: static;
    flex-direction: row;
    background: none;
    padding: 0;
    gap: 1.8rem;
  }
  .sit-navlinks a { border: 0; color: var(--sit-deep); font-weight: 700; padding: 0; }
  .sit-navlinks a:hover { color: var(--sit-ink); }
}

/* ===== Hero з mesh-градієнтом ===== */
.sit-opener {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  overflow: clip;
  padding: 10dvh 8vw;
  background: var(--sit-bg);
}
.sit-mesh {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at var(--sit-x1) var(--sit-y1), rgba(245, 185, 66, 0.35), transparent 45%),
    radial-gradient(circle at var(--sit-x2) var(--sit-y2), rgba(232, 116, 59, 0.30), transparent 50%),
    radial-gradient(circle at var(--sit-x3) var(--sit-y3), rgba(79, 209, 197, 0.16), transparent 55%);
  animation: sit-drift 24s ease-in-out infinite alternate;
}
@keyframes sit-drift {
  0%   { --sit-x1: 15%; --sit-y1: 25%; --sit-x2: 85%; --sit-y2: 75%; --sit-x3: 50%; --sit-y3: 20%; }
  100% { --sit-x1: 35%; --sit-y1: 55%; --sit-x2: 65%; --sit-y2: 30%; --sit-x3: 60%; --sit-y3: 70%; }
}
.sit-opener-inner { position: relative; z-index: 1; max-width: 900px; }
.sit-lead {
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  color: var(--sit-muted);
  max-width: 60ch;
  margin-bottom: 2rem;
}
.sit-band-accent .sit-lead { color: var(--sit-deep); }

/* ===== Кнопка-pill (статична, лише колір і тінь) ===== */
.sit-pill {
  display: inline-block;
  background: var(--sit-tone);
  color: var(--sit-deep);
  padding: 0.9rem 2rem;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.3s ease;
}
.sit-pill:hover {
  background: var(--sit-tone-hover);
  box-shadow: 0 0 0 6px rgba(245, 185, 66, 0.18);
}
.sit-pill:active { transform: scale(1.04); }
.sit-band-accent .sit-pill { background: var(--sit-deep); color: var(--sit-ink); }
.sit-band-accent .sit-pill:hover { background: #1C2633; box-shadow: 0 0 0 6px rgba(10, 14, 20, 0.18); }

/* ===== Marquee ===== */
.sit-marquee {
  overflow: hidden;
  background: var(--sit-tone);
  color: var(--sit-deep);
  padding: 0.9rem 0;
  position: relative;
  z-index: 1;
}
.sit-marquee-track {
  display: flex;
  width: max-content;
  animation: sit-run 36s linear infinite;
}
.sit-marquee:hover .sit-marquee-track { animation-play-state: paused; }
.sit-marquee-track span {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.2rem;
  white-space: nowrap;
  padding: 0 1.5rem;
}
@keyframes sit-run { to { transform: translateX(-50%); } }

/* ===== Смуги ===== */
.sit-band { padding: 10dvh 8vw; position: relative; }
.sit-band-dark { background: var(--sit-bg); }
.sit-band-surface { background: var(--sit-surface); }
.sit-band-accent { background: var(--sit-gradient); color: var(--sit-deep); }
.sit-band-accent h1, .sit-band-accent h2, .sit-band-accent h3 { color: var(--sit-deep); }

.sit-clip { overflow: hidden; }
.sit-caption {
  padding: 1rem 8vw;
  color: var(--sit-muted);
  font-size: 0.95rem;
  background: var(--sit-surface);
}

.sit-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
.sit-split img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--sit-radius);
  box-shadow: var(--sit-shadow);
}
.sit-quote {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 3.2rem);
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--sit-ink);
}
.sit-note { color: var(--sit-muted); max-width: 62ch; }

/* ===== Смуги з іконками ===== */
.sit-strip {
  padding: 5dvh 8vw;
  display: flex;
  gap: 4rem;
  align-items: center;
  flex-wrap: wrap;
}
.sit-strip-row {
  display: flex;
  gap: 4rem;
  align-items: center;
  flex-wrap: wrap;
  width: 100%;
}
.sit-strip-icon { width: 64px; height: 64px; flex: none; }
.sit-strip-body { flex: 1 1 320px; }
.sit-strip-body h3 { font-size: clamp(1.5rem, 2.6vw, 2.4rem); }
.sit-strip-body p { color: var(--sit-muted); }

.sit-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.sit-step {
  border-top: 4px solid var(--sit-deep);
  padding-top: 1.2rem;
}
.sit-step-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 7rem);
  line-height: 1;
  color: var(--sit-deep);
}
.sit-step h3 { color: var(--sit-deep); }
.sit-step p { color: #1A1A2A; }

.sit-cta-strip { text-align: center; }
.sit-cta-strip .sit-lead { margin-left: auto; margin-right: auto; }

/* ===== Плитки (картки) ===== */
.sit-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
.sit-tile {
  background: var(--sit-surface);
  border-radius: var(--sit-radius);
  padding: 2rem;
  box-shadow: var(--sit-shadow);
}
.sit-tile-icon { width: 56px; height: 56px; margin-bottom: 1rem; }
.sit-tile p { color: var(--sit-muted); }

.sit-numbers { list-style: none; margin-top: 1rem; }
.sit-numbers li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--sit-line);
}
.sit-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sit-tone);
  color: var(--sit-deep);
  display: grid;
  place-items: center;
  font-weight: 700;
  flex: none;
}
.sit-numbers li:nth-child(2) .sit-badge { background: var(--sit-coral); color: var(--sit-ink); }
.sit-numbers li:nth-child(3) .sit-badge { background: var(--sit-teal); }
.sit-numbers li:nth-child(4) .sit-badge { background: var(--sit-ink); }

/* ===== Статистика ===== */
.sit-figures { display: grid; grid-template-columns: 1fr; }
.sit-figure-row {
  display: flex;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid rgba(10, 14, 20, 0.25);
  padding: 1.6rem 0;
}
.sit-figure-val {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  color: var(--sit-deep);
  min-width: 140px;
  line-height: 1;
}
.sit-figure-row p { color: var(--sit-deep); margin: 0; }

/* ===== Форма ===== */
.sit-form {
  max-width: 560px;
  margin: 0 auto;
  display: grid;
  gap: 1.1rem;
}
.sit-field { display: flex; flex-direction: column; gap: 0.4rem; }
.sit-field label { font-weight: 600; }
.sit-field input,
.sit-field textarea {
  font: inherit;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--sit-bg);
  color: var(--sit-ink);
  border: 1px solid #3A4658;
}
.sit-field input:focus-visible,
.sit-field textarea:focus-visible { outline: 3px solid var(--sit-tone); outline-offset: 1px; }
.sit-consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: var(--sit-muted);
}
.sit-consent input {
  width: 20px;
  height: 20px;
  margin-top: 0.2rem;
  accent-color: var(--sit-tone);
  flex: none;
}
.sit-consent a { color: var(--sit-tone); }
.sit-submit { justify-self: start; }
.sit-mail { text-align: center; margin-top: 2rem; color: var(--sit-muted); }
.sit-mail a { color: var(--sit-tone); font-weight: 700; overflow-wrap: anywhere; }

/* ===== FAQ (відкриті, CSS only) ===== */
.sit-faq { max-width: 820px; }
.sit-faq details {
  border-bottom: 1px solid var(--sit-line);
  padding: 1rem 0;
}
.sit-faq summary {
  cursor: pointer;
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  color: var(--sit-ink);
  list-style-position: inside;
}
.sit-faq details p { color: var(--sit-muted); padding-top: 0.6rem; }

/* ===== Сторінки юридичні та подяки ===== */
.sit-legal {
  min-height: 100vh;
  max-width: 820px;
  margin: 0 auto;
  padding: 8dvh 6vw;
}
.sit-legal h1 { font-size: clamp(2.4rem, 4.5vw, 4rem); }
.sit-legal h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); margin: 2.2rem 0 0.8rem; color: var(--sit-tone); }
.sit-legal p { color: #D5DAE3; }
.sit-legal section { margin-top: 1rem; }

.sit-thanks {
  min-height: 80vh;
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 2rem;
  padding: 0 0 8dvh;
}
.sit-thanks-figure img {
  width: 100%;
  height: 40vh;
  object-fit: cover;
}
.sit-thanks-body { padding: 0 8vw; max-width: 760px; }

/* ===== Footer ===== */
.sit-foot {
  background: var(--sit-deep);
  color: var(--sit-muted);
  padding: 3rem 6vw 2rem;
}
.sit-foot-inner { display: grid; gap: 1.4rem; }
.sit-foot .sit-brand { color: var(--sit-ink); }
.sit-foot-links { display: flex; flex-wrap: wrap; gap: 1rem 1.8rem; }
.sit-foot-links a { color: var(--sit-ink); text-decoration: none; border-bottom: 1px solid var(--sit-line); }
.sit-foot-links a:hover { color: var(--sit-tone); }
.sit-disclaimer { font-size: 0.95rem; color: var(--sit-muted); }
.sit-copy { font-size: 0.9rem; color: var(--sit-muted); margin: 0; }

/* ===== Cookie-банер ===== */
.sit-cookie {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--sit-surface);
  color: var(--sit-ink);
  padding: 1rem 6vw;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  border-top: 3px solid var(--sit-tone);
}
.sit-cookie[hidden] { display: none; }
.sit-cookie p { margin: 0; font-size: 0.95rem; }
.sit-cookie a { color: var(--sit-tone); }
.sit-cookie-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.sit-cookie-btn {
  font: inherit;
  font-weight: 700;
  padding: 0.6rem 1.3rem;
  border-radius: 999px;
  border: 2px solid var(--sit-tone);
  background: var(--sit-tone);
  color: var(--sit-deep);
  cursor: pointer;
}
.sit-cookie-btn:hover { background: var(--sit-tone-hover); }
.sit-cookie-decline { background: transparent; color: var(--sit-ink); border-color: var(--sit-ink); }
.sit-cookie-decline:hover { background: var(--sit-line); }

/* ===== Анімація появи (лише з підтримкою view()) ===== */
html.js .stag {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
html.js .stag.is-in { opacity: 1; transform: none; }

@supports (animation-timeline: view()) {
  .sit-reveal {
    animation: sit-rise linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 35%;
  }
  .sit-clip img {
    animation: sit-clip-in linear both;
    animation-timeline: view();
    animation-range: entry 0% cover 40%;
  }
}
@keyframes sit-rise {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: none; }
}
@keyframes sit-clip-in {
  from { clip-path: inset(0 0 100% 0); }
  to   { clip-path: inset(0); }
}

/* ===== Адаптивність ===== */
@media (min-width: 600px) {
  .sit-tiles { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .sit-split { grid-template-columns: 1fr 45%; gap: 4rem; }
  .sit-steps { grid-template-columns: repeat(3, 1fr); gap: 3rem; }
  .sit-tiles { grid-template-columns: repeat(3, 1fr); }
  .sit-figures { grid-template-columns: repeat(2, 1fr); column-gap: 3rem; }
  .sit-thanks { grid-template-columns: 1fr 1fr; padding: 0; }
  .sit-thanks-figure img { height: 100%; min-height: 60vh; }
  .sit-thanks-body { padding: 0 6vw; }
  .sit-foot-inner { grid-template-columns: auto 1fr; align-items: center; }
  .sit-disclaimer, .sit-copy { grid-column: 1 / -1; }
}
@media (min-width: 1200px) {
  .sit-strip-row { flex-wrap: nowrap; }
}

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