:root {
  --color-bg: #f3f6f4;
  --color-surface: #ffffff;
  --color-surface-soft: #eaf2ee;
  --color-primary: #225c4f;
  --color-primary-hover: #17483d;
  --color-primary-soft: #dbece6;
  --color-text: #17211e;
  --color-muted: #63706c;
  --color-border: #d8e1dd;
  --color-success: #19724e;
  --color-success-soft: #e3f4ec;
  --color-warning: #965f12;
  --color-warning-soft: #fff2d8;
  --color-danger: #a43b3b;
  --color-danger-soft: #fce9e9;
  --shadow-card: 0 8px 28px rgba(28, 55, 47, 0.08);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 26px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --font-size-base: 17px;
  --app-width: 520px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

html.large-text {
  --font-size-base: 20px;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 15% -10%, rgba(148, 206, 187, 0.22), transparent 34%),
    var(--color-bg);
}

button,
input {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #e0a63e;
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  transform: translateY(-150%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--color-text);
  color: white;
}

.skip-link:focus {
  transform: translateY(0);
}

.app-shell {
  width: 100%;
  max-width: var(--app-width);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--color-bg);
  position: relative;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: calc(var(--space-4) + env(safe-area-inset-top)) var(--space-5) var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text);
  font-weight: 750;
  letter-spacing: -0.02em;
}

a.brand {
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: var(--color-primary);
  color: white;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.icon-button:hover {
  background: var(--color-surface-soft);
}

.page {
  padding: var(--space-4) var(--space-5) calc(104px + env(safe-area-inset-bottom));
}

.page.no-nav {
  padding-bottom: calc(var(--space-8) + env(safe-area-inset-bottom));
}

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  padding: 0 var(--space-5) calc(var(--space-8) + env(safe-area-inset-bottom));
  color: var(--color-muted);
  font-size: 0.82rem;
  text-align: center;
}

.site-footer a {
  color: inherit;
  text-underline-offset: 3px;
}

.footer-company {
  display: grid;
  justify-items: center;
  gap: 3px;
  max-width: 620px;
  line-height: 1.45;
}

.footer-company strong {
  color: var(--color-text);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2) var(--space-4);
}

.site-footer.with-nav {
  padding-bottom: calc(104px + env(safe-area-inset-bottom));
}

.policy-shell {
  max-width: 860px;
}

.policy-page {
  padding-top: var(--space-3);
}

.policy-document {
  padding: clamp(20px, 5vw, 48px);
  border: 1px solid rgba(216, 225, 221, 0.88);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.policy-document .policy-title {
  max-width: none;
  margin: var(--space-8) 0;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  text-align: center;
}

.policy-document h2 {
  margin: var(--space-8) 0 var(--space-4);
  font-size: 1.25rem;
  text-align: center;
}

.policy-document p {
  margin-bottom: var(--space-4);
  overflow-wrap: anywhere;
  white-space: normal;
}

.policy-document .approval-line {
  margin-bottom: var(--space-2);
  text-align: right;
}

.policy-document .document-heading-line {
  margin-bottom: var(--space-2);
  text-align: center;
}

.hero {
  padding: var(--space-4) 0 var(--space-6);
}

.eyebrow {
  margin: 0 0 var(--space-2);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 460px;
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 8vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h2 {
  margin-bottom: var(--space-4);
  font-size: 1.35rem;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

.lead {
  max-width: 440px;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.muted {
  color: var(--color-muted);
}

.small {
  font-size: 0.88rem;
}

.stack {
  display: grid;
  gap: var(--space-4);
}

.stack-tight {
  display: grid;
  gap: var(--space-2);
}

.card {
  padding: var(--space-5);
  border: 1px solid rgba(216, 225, 221, 0.88);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.device-card {
  overflow: hidden;
  position: relative;
}

.device-card::after {
  content: "";
  position: absolute;
  top: -48px;
  right: -54px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  opacity: 0.72;
}

.device-icon {
  display: grid;
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-4);
  place-items: center;
  border-radius: 16px;
  background: var(--color-primary);
  color: white;
  position: relative;
  z-index: 1;
}

.data-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.data-row {
  display: grid;
  grid-template-columns: minmax(90px, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.data-row:first-child {
  padding-top: 0;
  border-top: 0;
}

.data-row dt {
  color: var(--color-muted);
}

.data-row dd {
  margin: 0;
  overflow-wrap: anywhere;
  font-weight: 650;
  text-align: right;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.field-label {
  font-weight: 700;
}

.field input {
  width: 100%;
  min-height: 54px;
  padding: 13px 15px;
  border: 1px solid #bccac5;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.field input[aria-invalid="true"] {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 1px var(--color-danger);
}

.field-error {
  margin: 0;
  color: var(--color-danger);
  font-size: 0.85rem;
  font-weight: 650;
}

.checkbox {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: start;
  gap: var(--space-3);
  cursor: pointer;
}

.checkbox input {
  width: 22px;
  height: 22px;
  margin: 1px 0 0;
  accent-color: var(--color-primary);
}

.button {
  display: inline-flex;
  width: 100%;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 18px;
  border: 0;
  border-radius: 15px;
  background: var(--color-primary);
  color: white;
  font-weight: 780;
  text-decoration: none;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}

.button:hover {
  background: var(--color-primary-hover);
}

.button:active {
  transform: scale(0.985);
}

.button:disabled {
  cursor: wait;
  opacity: 0.62;
}

.button.secondary {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}

.button.secondary:hover {
  background: var(--color-surface-soft);
}

.button.danger-ghost {
  border: 1px solid #e8c9c9;
  background: var(--color-surface);
  color: var(--color-danger);
}

.text-button {
  padding: 8px 0;
  border: 0;
  background: transparent;
  color: var(--color-primary);
  font-weight: 750;
  cursor: pointer;
}

.alert {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.alert.info {
  border-color: #c7ddd5;
  background: var(--color-primary-soft);
}

.alert.warning {
  border-color: #f0d8a5;
  background: var(--color-warning-soft);
}

.alert.danger {
  border-color: #efcaca;
  background: var(--color-danger-soft);
}

.alert.success {
  border-color: #c3e2d4;
  background: var(--color-success-soft);
}

.alert p:last-child {
  margin-bottom: 0;
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.badge {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--color-surface-soft);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 800;
}

.badge.success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.badge.warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge.danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.subscription-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background: var(--color-primary);
  color: white;
  box-shadow: 0 18px 38px rgba(34, 92, 79, 0.22);
}

.subscription-card .muted {
  color: rgba(255, 255, 255, 0.76);
}

.subscription-card .badge {
  background: rgba(255, 255, 255, 0.17);
  color: white;
}

.days-value {
  margin: var(--space-5) 0 4px;
  font-size: clamp(2.5rem, 13vw, 4rem);
  font-weight: 820;
  line-height: 0.95;
  letter-spacing: -0.06em;
}

.progress {
  height: 8px;
  margin-top: var(--space-5);
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
}

.progress > span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: #c7eedf;
}

.price {
  margin: 0;
  font-size: 2.2rem;
  font-weight: 820;
  letter-spacing: -0.05em;
}

.price small {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0;
}

.timeline {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

.timeline-item:first-child {
  border-top: 0;
}

.timeline-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 13px;
  background: var(--color-success-soft);
  color: var(--color-success);
}

.timeline-item p {
  margin: 0;
}

.bottom-nav {
  position: fixed;
  z-index: 20;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  max-width: var(--app-width);
  margin: 0 auto;
  padding: 8px var(--space-4) calc(8px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
}

.nav-item {
  display: grid;
  min-height: 58px;
  place-items: center;
  align-content: center;
  gap: 3px;
  border: 0;
  border-radius: 13px;
  background: transparent;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-item.active {
  background: var(--color-surface-soft);
  color: var(--color-primary);
}

.empty-state {
  padding: var(--space-8) var(--space-5);
  text-align: center;
}

.empty-icon,
.result-icon {
  display: grid;
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-5);
  place-items: center;
  border-radius: 23px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.result-icon.success {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.loader {
  width: 34px;
  height: 34px;
  margin: 0 auto;
  border: 4px solid var(--color-primary-soft);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

.centered {
  text-align: center;
}

.divider-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-muted);
  font-size: 0.8rem;
}

.divider-label::before,
.divider-label::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--color-border);
}

.toast-region {
  position: fixed;
  z-index: 200;
  top: calc(16px + env(safe-area-inset-top));
  right: 16px;
  left: 16px;
  display: grid;
  justify-items: center;
  pointer-events: none;
}

.toast {
  max-width: 460px;
  padding: 13px 16px;
  border-radius: 13px;
  background: var(--color-text);
  color: white;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  font-weight: 650;
  animation: toast-in 180ms ease-out;
}

.yookassa-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #5b2bbf;
  font-weight: 850;
}

.yookassa-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #6f2cff;
  box-shadow: inset 7px 0 #ffce4a;
}

.demo-label {
  display: inline-flex;
  margin-bottom: var(--space-4);
  padding: 5px 9px;
  border-radius: 8px;
  background: var(--color-warning-soft);
  color: var(--color-warning);
  font-size: 0.78rem;
  font-weight: 800;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-8px); }
}

@media (min-width: 600px) {
  body {
    padding: 24px 0;
  }

  .app-shell {
    min-height: calc(100vh - 48px);
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: 32px;
    box-shadow: 0 24px 70px rgba(31, 58, 50, 0.13);
  }

  .policy-shell {
    overflow: visible;
  }

  .bottom-nav {
    bottom: 24px;
    border-right: 1px solid var(--color-border);
    border-bottom-right-radius: 32px;
    border-bottom-left-radius: 32px;
    border-left: 1px solid var(--color-border);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}