:root {
  --fp-accent: #0077ff;
  --fp-accent-2: #1d8ec4;
  --fp-highlight: #00e5a0;
  --fp-hero-a: #0a3d7c;
  --fp-hero-b: #0d4fa0;
  --fp-hero-c: #062e66;
  --fp-page-a: #dce3ed;
  --fp-page-b: #edeef0;
  --fp-card: #ffffff;
  --fp-text: #222b38;
  --fp-muted: #6d7885;
  --fp-line: #e7e8ec;
  --fp-footer: #07192f;
  --fp-radius: 16px;
}

html[data-theme="coral"] {
  --fp-accent: #f05146;
  --fp-accent-2: #ff8766;
  --fp-highlight: #ffc06f;
  --fp-hero-a: #52141d;
  --fp-hero-b: #7d2230;
  --fp-hero-c: #2e0d16;
  --fp-page-a: #eadfd9;
  --fp-page-b: #f4ebe5;
  --fp-card: #fffaf6;
  --fp-text: #291a1e;
  --fp-muted: #79666a;
  --fp-line: #e7d6d0;
  --fp-footer: #260b12;
  --fp-radius: 20px;
}

html[data-theme="emerald"] {
  --fp-accent: #19a874;
  --fp-accent-2: #56ca91;
  --fp-highlight: #b6e758;
  --fp-hero-a: #102f2c;
  --fp-hero-b: #15574d;
  --fp-hero-c: #092521;
  --fp-page-a: #dbe6e1;
  --fp-page-b: #edf2ef;
  --fp-card: #f9fcfa;
  --fp-text: #142620;
  --fp-muted: #5e7169;
  --fp-line: #cfddd7;
  --fp-footer: #071f1a;
  --fp-radius: 12px;
}

html, body {
  background: var(--fp-page-a);
  font-family: var(--font-body);
}

body, button, input { font-family: var(--font-body); }

h1, h2, h3, p, span, b, small, a {
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.vks {
  color: var(--fp-muted);
  background: linear-gradient(var(--fp-page-a) 0%, var(--fp-page-b) 280px);
}

.vks-hero {
  background:
    radial-gradient(circle at 20% -10%, color-mix(in srgb, var(--fp-highlight) 28%, transparent), transparent 50%),
    radial-gradient(circle at 80% 10%, color-mix(in srgb, var(--fp-accent-2) 28%, transparent), transparent 45%),
    linear-gradient(168deg, var(--fp-hero-a) 0%, var(--fp-hero-b) 42%, var(--fp-hero-c) 100%);
}

.vks-h1__accent {
  background: linear-gradient(90deg, var(--fp-highlight), var(--fp-accent-2), var(--fp-highlight), var(--fp-accent-2)) 0 0 / 200%;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 24px color-mix(in srgb, var(--fp-accent-2) 35%, transparent));
}

.vks-vk-badge {
  color: color-mix(in srgb, var(--fp-accent-2) 76%, #f5f8ff);
  background: color-mix(in srgb, var(--fp-accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--fp-accent) 30%, transparent);
}

.vk-mark {
  width: 21px;
  height: 21px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 6px;
  color: #f8fbff;
  background: var(--fp-accent);
  font-family: var(--font-display);
  font-size: 8px;
  font-weight: 800;
  letter-spacing: -.04em;
}

.vk-mark--small { width: 18px; height: 18px; border-radius: 5px; font-size: 7px; }

.vks-field--filled,
.vks-field:focus-within {
  border-color: var(--fp-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--fp-accent) 18%, transparent);
}

.vks-go {
  color: #f8fbff;
  background: linear-gradient(135deg, var(--fp-accent), color-mix(in srgb, var(--fp-accent) 78%, var(--fp-hero-c)) 55%, var(--fp-accent-2));
  border-radius: var(--fp-radius);
  box-shadow: 0 14px 32px color-mix(in srgb, var(--fp-accent) 38%, transparent);
  text-decoration: none;
}

.vks-go:hover:not(:disabled) {
  box-shadow: 0 18px 38px color-mix(in srgb, var(--fp-accent) 48%, transparent);
}

.button-mark {
  width: 8px;
  height: 8px;
  margin-left: 12px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform .2s ease;
}

.vks-go:hover .button-mark { transform: translateX(3px) rotate(45deg); }
.vks-go:active { transform: translateY(1px); }

.vks-form,
.vks-field,
.vks-live__slot,
.vks-learn__item,
.vks-how__step,
.vks-guard,
.vks-review,
.vks-faq__item {
  border-radius: var(--fp-radius);
}

.vks-err:empty { display: none; }

.vks-mini .vks-ico {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vks-live__line span { color: #515b68; }
.vks-live__line b { color: var(--fp-accent); }

.vks-live__slot,
.vks-learn__item,
.vks-how__step,
.vks-guard,
.vks-review,
.vks-faq__item {
  background: var(--fp-card);
  border-color: var(--fp-line);
}

.vks-head__title,
.vks-learn__txt b,
.vks-how__txt b,
.vks-guard b,
.vks-review__who b,
.vks-faq__q {
  color: var(--fp-text);
}

.vks-head__sub,
.vks-learn__txt span,
.vks-how__txt span,
.vks-guard small,
.vks-faq__a {
  color: var(--fp-muted);
}

.vks-chip {
  --c: var(--tone, var(--fp-accent));
  border-radius: calc(var(--fp-radius) - 2px);
}

.vks-tone--blue { --tone: var(--fp-accent); }
.vks-tone--violet { --tone: color-mix(in srgb, var(--fp-accent) 68%, #6f54d6); }
.vks-tone--pink { --tone: color-mix(in srgb, var(--fp-accent) 58%, #ff5e7e); }
.vks-tone--amber { --tone: color-mix(in srgb, var(--fp-highlight) 76%, #e69300); }
.vks-tone--green { --tone: color-mix(in srgb, var(--fp-highlight) 65%, #31a955); }

.vks-chip .vks-ico {
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vks-how__num {
  background: linear-gradient(135deg, var(--fp-accent), var(--fp-accent-2));
  border-radius: calc(var(--fp-radius) - 4px);
  box-shadow: 0 8px 18px color-mix(in srgb, var(--fp-accent) 34%, transparent);
}

.pain-grid .vks-review { min-height: 226px; }
.pain-tag { margin-bottom: 14px; color: var(--fp-accent); font-size: 12px; font-weight: 800; }
.pain-grid .vks-review__text { color: #414b58; font-size: 15px; }
.pain-grid .vks-review__ava { background: linear-gradient(135deg, var(--fp-accent), var(--fp-accent-2)); }

.vks-faq__chev {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.vks-faq__item[open] .vks-faq__chev { color: var(--fp-accent); }

.vks-final {
  background: linear-gradient(168deg, var(--fp-hero-c), var(--fp-hero-b) 50%, var(--fp-hero-c));
}

.vks-final__title span { color: var(--fp-highlight); }

.site-footer {
  color: #b9c7d9;
  background: var(--fp-footer);
}

.site-footer__inner {
  padding-block: 58px 46px;
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr 1fr;
  gap: 46px;
}

.site-footer__brand p { max-width: 280px; margin: 18px 0 0; font-size: 15px; line-height: 1.55; }

.footer-wordmark {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: #f4f7fb;
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.04em;
  text-decoration: none;
}

.footer-wordmark span { color: var(--fp-accent-2); }

.site-footer nav { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.site-footer nav b { color: #9fb2ca; font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.site-footer nav a { min-height: 44px; display: inline-flex; align-items: center; color: #eef4fb; font-size: 14px; text-decoration: none; }
.site-footer nav a:hover { color: var(--fp-highlight); }
.site-footer__copy { padding-block: 25px 40px; border-top: 1px solid rgba(255, 255, 255, .12); font-size: 14px; }

.reveal-block { opacity: 1; transform: none; }
.has-observer .reveal-block.is-visible { animation: section-in .55s ease both; }

html[data-theme="coral"] .vks-hero {
  background:
    radial-gradient(circle at 22% -8%, rgba(255, 192, 111, .28), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(240, 81, 70, .3), transparent 44%),
    linear-gradient(158deg, var(--fp-hero-a), var(--fp-hero-b) 48%, var(--fp-hero-c));
}

html[data-theme="coral"] .vks-hero::after {
  content: "";
  position: absolute;
  top: -16%;
  left: 67%;
  width: 180px;
  height: 180px;
  border: 1px solid rgba(255, 255, 255, .15);
  border-radius: 42px;
  transform: rotate(24deg);
  animation: coral-float 7s ease-in-out infinite;
}

html[data-theme="coral"] .vks-learn__item:nth-child(even),
html[data-theme="coral"] .vks-review:nth-child(even) { transform: translateY(6px); }

html[data-theme="coral"] .vks-form { background: rgba(46, 9, 19, .72); }

html[data-theme="emerald"] .vks-hero {
  background:
    radial-gradient(circle at 18% 0, rgba(182, 231, 88, .18), transparent 42%),
    linear-gradient(168deg, var(--fp-hero-a), var(--fp-hero-b) 44%, var(--fp-hero-c));
}

html[data-theme="emerald"] .vks-form { overflow: hidden; background: rgba(4, 35, 30, .7); }

html[data-theme="emerald"] .vks-form::after {
  content: "";
  position: absolute;
  top: 0;
  left: -35%;
  width: 32%;
  height: 2px;
  background: var(--fp-highlight);
  animation: scan-across 3.4s ease-in-out infinite;
}

html[data-theme="emerald"] .vks-learn__item,
html[data-theme="emerald"] .vks-how__step,
html[data-theme="emerald"] .vks-guard,
html[data-theme="emerald"] .vks-review,
html[data-theme="emerald"] .vks-faq__item {
  box-shadow: none;
}

html[data-theme="emerald"] .vks-learn__item:hover { transform: translateX(3px); }

@keyframes coral-float {
  0%, 100% { transform: rotate(24deg) translateY(0); }
  50% { transform: rotate(32deg) translateY(15px); }
}

@keyframes scan-across {
  0%, 12% { transform: translateX(0); opacity: 0; }
  24% { opacity: 1; }
  78% { opacity: 1; }
  100% { transform: translateX(420%); opacity: 0; }
}

@keyframes section-in {
  from { opacity: .35; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 760px) {
  .vks-hero { padding-top: 30px; padding-bottom: 36px; }
  .vks-h1 { max-width: 290px; margin-inline: auto; font-size: 34px; }
  .vks-lead { max-width: 300px; margin-bottom: 24px; font-size: 15px; }
  .vks-form { max-width: 100%; padding: 18px; }
  .vks-field { height: 58px; padding-inline: 15px; }
  .vks-field__input { font-size: 16px; }
  .vks-go { min-height: 58px; height: auto; padding-block: 12px; font-size: 16px; }
  .vks-stats { font-size: 12px; }
  .vks-live__line { display: flex; flex-wrap: wrap; gap: 2px 7px; }
  .vks-head__title { max-width: 290px; margin-inline: auto; font-size: 24px; line-height: 1.16; text-wrap: balance; }
  .vks-head__sub { max-width: 290px; margin-inline: auto; }
  .pain-grid .vks-review { min-height: 0; }
  html[data-theme="coral"] .vks-learn__item:nth-child(even),
  html[data-theme="coral"] .vks-review:nth-child(even) { transform: none; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 30px; padding-block: 48px 36px; }
  .site-footer nav a { min-height: 44px; }
}

@media (max-width: 350px) {
  .vks-container { padding-inline: 16px; }
  .vks-h1 { font-size: 32px; }
  .vks-form { padding: 16px; }
  .vks-guards { gap: 8px; }
  .vks-guard { padding-inline: 8px; }
  .vks-guard b { font-size: 13px; }
  .vks-guard small { font-size: 10px; }
}

@media (prefers-reduced-motion: reduce) {
  .has-observer .reveal-block.is-visible { animation: none; }
  .vks-stats__live i { animation: none; }
  html[data-theme="coral"] .vks-hero::after,
  html[data-theme="emerald"] .vks-form::after { animation: none; }
}