/* ===== Variables ===== */
:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f0f5;
  --text-muted: #8b8b9e;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.15);
  --danger: #ff4d6a;
  --danger-dim: rgba(255, 77, 106, 0.15);
  --gradient: linear-gradient(135deg, #00e5a0 0%, #00b4d8 50%, #7b61ff 100%);
  --radius: 16px;
  --radius-sm: 10px;
  --font: 'Onest', system-ui, sans-serif;
  --header-h: 72px;
  --container: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* ===== Background effects ===== */
.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow--1 {
  width: 600px;
  height: 600px;
  background: rgba(0, 229, 160, 0.08);
  top: -200px;
  right: -100px;
}

.glow--2 {
  width: 500px;
  height: 500px;
  background: rgba(123, 97, 255, 0.06);
  bottom: 20%;
  left: -150px;
}

/* ===== Layout ===== */
.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.section {
  padding: 100px 0;
}

.section--dark {
  background: var(--bg-elevated);
}

.section__head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section__tag {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section__desc {
  color: var(--text-muted);
  font-size: 1.0625rem;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.header.is-scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  background: var(--gradient);
  border-radius: 10px;
  color: var(--bg);
  font-weight: 800;
  font-size: 1rem;
}

.nav {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.nav__link {
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.header__cta {
  flex-shrink: 0;
}

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.btn:active {
  transform: scale(0.98);
}

.btn--sm { padding: 8px 18px; font-size: 0.875rem; }
.btn--lg { padding: 16px 32px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--gradient);
  color: var(--bg);
  box-shadow: 0 0 30px rgba(0, 229, 160, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 0 40px rgba(0, 229, 160, 0.4);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: calc(var(--header-h) + 80px) 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero__bg-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 45%, #000 20%, transparent 72%);
  opacity: 0.45;
  animation: heroGridDrift 24s linear infinite;
}

@keyframes heroGridDrift {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 56px 56px, 56px 56px; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg-canvas,
  .hero__bg::after {
    display: none;
  }
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--danger-dim);
  border: 1px solid rgba(255, 77, 106, 0.25);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #ff8fa3;
  margin-bottom: 24px;
}

.badge__dot {
  width: 8px;
  height: 8px;
  background: var(--danger);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat__value {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.stat__label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 140px;
  line-height: 1.4;
}

/* Card stack */
.card-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mp-card {
  padding: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: transform var(--transition), border-color var(--transition);
}

.mp-card:hover {
  transform: translateX(-8px);
}

.mp-card--own {
  border-color: rgba(0, 229, 160, 0.3);
  background: var(--accent-dim);
}

.mp-card--own:hover {
  border-color: rgba(0, 229, 160, 0.5);
}

.mp-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  font-weight: 600;
}

.mp-card__badge {
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 100px;
}

.mp-card__badge--bad {
  background: var(--danger-dim);
  color: var(--danger);
}

.mp-card__badge--good {
  background: var(--accent-dim);
  color: var(--accent);
}

.mp-card__bar {
  height: 8px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 12px;
}

.mp-card__fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s ease;
}

.mp-card__fill--bad {
  background: linear-gradient(90deg, var(--danger), #ff8fa3);
}

.mp-card__fill--good {
  background: var(--gradient);
}

.mp-card__note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ===== Marketplace rates table ===== */
.mp-rates {
  max-width: 900px;
  margin: 0 auto 64px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
}

.mp-rates__head,
.mp-rates__row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 16px;
  padding: 18px 24px;
  align-items: center;
  font-size: 0.9375rem;
}

.mp-rates__head {
  background: rgba(255, 255, 255, 0.04);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.mp-rates__head span:nth-child(2) {
  color: #ff8fa3;
}

.mp-rates__head span:nth-child(3) {
  color: #7eb8ff;
}

.mp-rates__row {
  border-top: 1px solid var(--border);
}

.mp-rates__row span:first-child {
  color: var(--text-muted);
}

.mp-rates__row strong {
  color: var(--text);
  font-weight: 700;
}

.mp-rates__row small {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.mp-rates__row--total {
  background: rgba(255, 77, 106, 0.06);
}

.mp-rates__bad {
  color: var(--danger) !important;
  font-weight: 700;
}

.mp-rates__note {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Calculator presets ===== */
.calc__presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.calc__presets-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-right: 4px;
}

.calc__preset {
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), color var(--transition);
}

.calc__preset:hover {
  border-color: rgba(0, 229, 160, 0.4);
}

.calc__preset.is-active {
  background: var(--accent-dim);
  border-color: rgba(0, 229, 160, 0.4);
  color: var(--accent);
}

.mp-card--wb:hover {
  border-color: rgba(255, 77, 106, 0.35);
}

.mp-card--ozon:hover {
  border-color: rgba(126, 184, 255, 0.35);
}

.pain-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}

.pain-card:hover {
  border-color: rgba(255, 77, 106, 0.3);
  transform: translateY(-4px);
}

.pain-card__icon {
  font-size: 1.75rem;
  margin-bottom: 16px;
}

.pain-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pain-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.pain-card strong {
  color: var(--danger);
  font-weight: 600;
}

/* ===== Calculator ===== */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.calc {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.calc__field {
  margin-bottom: 28px;
}

.calc__field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.calc__field input[type="range"] {
  width: 100%;
  height: 6px;
  appearance: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  outline: none;
  cursor: pointer;
}

.calc__field input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--gradient);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(0, 229, 160, 0.5);
}

.calc__value {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 8px;
  color: var(--accent);
}

.calc__results {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.calc__result {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.calc__result-label {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.calc__result-value {
  font-size: 1.25rem;
  font-weight: 800;
  white-space: nowrap;
}

.calc__result--loss .calc__result-value {
  color: var(--danger);
}

.calc__result--save .calc__result-value {
  color: var(--accent);
  font-size: 1.5rem;
}

.calc__footnote {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ===== Solutions ===== */
.solutions {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.solution {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.solution:hover {
  border-color: rgba(0, 229, 160, 0.25);
}

.solution__num {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.solution h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.solution__for {
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.solution ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.solution li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}

.solution li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

/* ===== Compare table ===== */
.compare-table {
  max-width: 800px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-table__head,
.compare-table__row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
  padding: 20px 28px;
  align-items: center;
}

.compare-table__head {
  background: rgba(255, 255, 255, 0.03);
  font-weight: 700;
  font-size: 0.9375rem;
}

.compare-table__row {
  border-top: 1px solid var(--border);
  font-size: 0.9375rem;
}

.compare-table__row span:first-child {
  color: var(--text-muted);
}

.compare-table__highlight {
  color: var(--accent);
}

.compare-table__bad {
  color: var(--danger);
}

.compare-table__good {
  color: var(--accent);
  font-weight: 600;
}

/* ===== Steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  text-align: center;
  padding: 32px 20px;
}

.step__circle {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 2px solid rgba(0, 229, 160, 0.3);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent);
}

.step h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Pricing ===== */
.pricing-market {
  margin-bottom: 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.pricing-market__head,
.pricing-market__row {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr 0.8fr 0.8fr;
  gap: 16px;
  align-items: center;
  padding: 16px 24px;
}

.pricing-market__head {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.pricing-market__row {
  font-size: 0.9375rem;
  border-bottom: 1px solid var(--border);
}

.pricing-market__row:last-of-type {
  border-bottom: none;
}

.pricing-market__old {
  color: var(--text-muted);
  text-decoration: line-through;
}

.pricing-market__new {
  font-weight: 700;
  color: var(--accent);
}

.pricing-market__note {
  padding: 16px 24px 20px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  border-top: 1px solid var(--border);
}

.pricing-footnote {
  margin-top: 32px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.price-card {
  position: relative;
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
}

.price-card__discount {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  background: rgba(255, 107, 107, 0.15);
  color: #ff8a8a;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
}

.price-card__market {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.price-card__market s {
  opacity: 0.7;
}

.price-card--featured {
  border-color: rgba(0, 229, 160, 0.4);
  background: var(--accent-dim);
  transform: scale(1.03);
}

.price-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--gradient);
  color: var(--bg);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 100px;
  white-space: nowrap;
}

.price-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.price-card__from {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.price-card__price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.price-card__price span {
  font-size: 1.25rem;
  font-weight: 600;
}

.price-card ul {
  flex: 1;
  margin-bottom: 32px;
}

.price-card li {
  font-size: 0.9375rem;
  color: var(--text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

.price-card li:last-child {
  border-bottom: none;
}

/* ===== Contact ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.contact-chips span {
  padding: 8px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--accent);
}

.form {
  padding: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.form__row {
  margin-bottom: 20px;
}

.form__row label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-muted);
}

.form__row input,
.form__row select,
.form__row textarea {
  width: 100%;
  padding: 14px 16px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition);
  resize: vertical;
  color: var(--text);
}

.form__row input:focus,
.form__row select:focus,
.form__row textarea:focus {
  border-color: rgba(0, 229, 160, 0.5);
}

.form__row select {
  cursor: pointer;
  appearance: none;
  color: var(--text);
  background-color: var(--bg-elevated);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238b8b9e' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  color-scheme: dark;
}

.form__row select option {
  background-color: var(--bg-elevated);
  color: var(--text);
}

.form__row select option:disabled {
  color: var(--text-muted);
}

.form__success {
  margin-top: 16px;
  text-align: center;
  color: var(--accent);
  font-weight: 500;
}

.form__error {
  margin-top: 16px;
  text-align: center;
  color: #ff8a8a;
  font-weight: 500;
}

.form__row--hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ===== Extra services ===== */
.extras-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.extra-card {
  position: relative;
  padding: 0;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 100%;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.extra-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(145deg, rgba(0, 229, 160, 0.35), rgba(123, 97, 255, 0.15), transparent 55%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.extra-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 160, 0.35);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 229, 160, 0.08);
}

.extra-card:hover::before {
  opacity: 1;
}

.extra-card:hover .extra-card__icon-wrap {
  transform: scale(1.05);
  border-color: rgba(0, 229, 160, 0.45);
}

.extra-card__glow {
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 160, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.extra-card:nth-child(3n+2) .extra-card__glow {
  background: radial-gradient(circle, rgba(0, 180, 216, 0.12) 0%, transparent 70%);
}

.extra-card:nth-child(3n) .extra-card__glow {
  background: radial-gradient(circle, rgba(123, 97, 255, 0.12) 0%, transparent 70%);
}

.extra-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 24px 24px 0;
  position: relative;
  z-index: 1;
}

.extra-card__icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  font-size: 1.5rem;
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(0, 229, 160, 0.18), rgba(0, 229, 160, 0.04));
  border: 1px solid rgba(0, 229, 160, 0.25);
  transition: transform var(--transition), border-color var(--transition);
}

.extra-card:nth-child(3n+2) .extra-card__icon-wrap {
  background: linear-gradient(145deg, rgba(0, 180, 216, 0.18), rgba(0, 180, 216, 0.04));
  border-color: rgba(0, 180, 216, 0.25);
}

.extra-card:nth-child(3n) .extra-card__icon-wrap {
  background: linear-gradient(145deg, rgba(123, 97, 255, 0.18), rgba(123, 97, 255, 0.04));
  border-color: rgba(123, 97, 255, 0.25);
}

.extra-card__badge {
  padding: 4px 10px;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #ff8a8a;
  background: rgba(255, 107, 107, 0.12);
  border: 1px solid rgba(255, 107, 107, 0.25);
  border-radius: 100px;
}

.extra-card__label {
  display: inline-block;
  margin: 16px 24px 0;
  padding: 4px 12px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bg);
  background: var(--gradient);
  border-radius: 100px;
  position: relative;
  z-index: 1;
}

.extra-card h3 {
  padding: 16px 24px 0;
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  position: relative;
  z-index: 1;
}

.extra-card__label + h3 {
  padding-top: 10px;
}

.extra-card__desc {
  flex: 1;
  padding: 10px 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.65;
  position: relative;
  z-index: 1;
}

.extra-card__pricing {
  margin: 0 16px 16px;
  padding: 16px 18px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  position: relative;
  z-index: 1;
}

.extra-card__market {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.extra-card__market s {
  opacity: 0.65;
}

.extra-card__price {
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.extra-card__period {
  font-size: 0.875rem;
  font-weight: 600;
  -webkit-text-fill-color: var(--text-muted);
  opacity: 0.9;
}

.extra-card__cta {
  margin: 0 16px 16px;
  position: relative;
  z-index: 1;
}

.extra-card--featured {
  border-color: rgba(0, 229, 160, 0.35);
  background: linear-gradient(165deg, rgba(0, 229, 160, 0.08) 0%, rgba(255, 255, 255, 0.02) 45%);
}

.extra-card--featured::before {
  opacity: 0.6;
}

.extra-card--featured:hover {
  box-shadow: 0 28px 56px rgba(0, 229, 160, 0.12), 0 24px 48px rgba(0, 0, 0, 0.35);
}

/* ===== SEO content ===== */
.seo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.seo-block {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.seo-block h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
}

.seo-block p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq {
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* max-width: 900px; */
}

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq__question {
  padding: 20px 24px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 48px;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
}

.faq__item[open] .faq__question::after {
  content: '−';
}

.faq__answer {
  padding: 0 24px 20px;
}

.faq__answer p {
  color: var(--text-muted);
  line-height: 1.7;
}

.faq__answer a {
  color: var(--accent);
  text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 8px;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.footer__nav a {
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer__nav a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero__inner,
  .calc-layout,
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__visual {
    order: -1;
  }

  .grid--3 {
    grid-template-columns: 1fr 1fr;
  }

  .extras-grid {
    grid-template-columns: 1fr 1fr;
  }

  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .solution ul {
    grid-template-columns: 1fr;
  }

  .price-card--featured {
    transform: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    padding: 24px;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    margin-left: 0;
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .header__cta {
    display: none;
  }

  .burger {
    display: flex;
  }

  .hero__stats {
    flex-direction: column;
    gap: 24px;
  }

  .grid--3 {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }

  .solution {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .compare-table__head,
  .compare-table__row {
    grid-template-columns: 1fr;
    gap: 8px;
    text-align: center;
  }

  .mp-rates__head,
  .mp-rates__row {
    grid-template-columns: 1fr;
    gap: 6px;
    text-align: center;
    padding: 16px 20px;
  }

  .mp-rates__head span:first-child,
  .mp-rates__row span:first-child {
    font-weight: 600;
    color: var(--text);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
  }

  .calc__presets {
    justify-content: center;
  }

  .compare-table__head span:first-child,
  .compare-table__row span:first-child {
    font-weight: 600;
    color: var(--text);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
  }

  .pricing-market__head,
  .pricing-market__row {
    grid-template-columns: 1fr;
    gap: 6px;
    text-align: center;
    padding: 16px 20px;
  }

  .pricing-market__head {
    display: none;
  }

  .pricing-market__row span:first-child {
    font-weight: 600;
    color: var(--text);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
  }

  .seo-grid {
    grid-template-columns: 1fr;
  }

  .extras-grid {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__nav {
    justify-content: center;
  }

  .calc {
    padding: 28px;
  }
}