@font-face {
  font-family: "Inter";
  src: url("/assets/inter.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #0d6de3;
  --color-primary-hover: #0a58ba;
  --color-primary-tint: #e6f0fd;
  --color-on-primary: #fff;
  --color-bg: #f5f9ff;
  --color-surface: #fff;
  --color-text: #0e1b33;
  --color-text-secondary: #44526d;
  --color-text-muted: #5d6a84;
  --color-line: #dae4f2;
  --color-error: #c62828;
  --color-error-tint: #fdecec;
  --radius-md: 12px;
  --radius-lg: 16px;
  --page-x: 24px;
  --page-y: 24px;
}

*,
::before,
::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font: 400 16px/1.45 Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

h1,
h2,
p,
ul {
  margin: 0;
  padding: 0;
}

ul {
  list-style: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-hover);
}

:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* Page frame */

.page {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 36px;
  min-height: 100vh;
  min-height: 100svh;
  padding: var(--page-y) var(--page-x) 32px;
  overflow: clip;
}

.page > * {
  position: relative;
  z-index: 1;
}

.motif {
  position: absolute;
  z-index: 0;
  top: calc(46px - 110px);
  right: calc(40px - 110px);
  width: 220px;
  height: 220px;
  pointer-events: none;
}

.header {
  display: flex;
  align-items: center;
  min-height: 44px;
}

.logo {
  display: block;
  width: 138px;
  height: 40px;
}

.logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Hero */

.main {
  display: flex;
  flex-direction: column;
  gap: 36px;
  padding-top: 56px;
}

.intro {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.title {
  font-size: 44px;
  line-height: 48px;
  font-weight: 600;
  letter-spacing: -1.2px;
}

.lead {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 26px;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}

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

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

.button-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1.5px var(--color-primary);
}

.button-secondary:hover {
  color: var(--color-primary-hover);
  box-shadow: inset 0 0 0 1.5px var(--color-primary-hover);
}

.support {
  display: flex;
  align-items: center;
  gap: 16px;
  width: fit-content;
  color: var(--color-primary);
}

.support-badge {
  display: flex;
  flex: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-tint);
}

.support-badge svg {
  width: 22px;
  height: 22px;
}

.support-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.support-label,
.label {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
}

.support-phone {
  font-size: 24px;
  line-height: 29px;
  font-weight: 600;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

/* Tariffs and app */

.info {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tariffs {
  padding: 0 16px;
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.tariff {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  font-size: 16px;
}

.tariff + .tariff {
  border-top: 1px solid var(--color-line);
}

.tariff-speed {
  font-weight: 600;
  white-space: nowrap;
}

.tariff-price {
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.stores {
  display: flex;
  gap: 8px;
}

.store {
  display: inline-flex;
  flex: 1 1 0;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: inset 0 0 0 1px var(--color-line);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
}

.store:hover {
  box-shadow: inset 0 0 0 1px var(--color-primary);
}

.store svg {
  flex: none;
  width: 16px;
  height: 16px;
}

/* Footer */

.footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 16px;
}

.footer-sep {
  padding: 0 6px;
}

.footer-docs {
  display: inline-block;
  padding: 6px 0;
}

/* Inner pages */

.content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 760px;
  flex-grow: 1;
  padding-top: 24px;
}

.page-title {
  font-size: 36px;
  line-height: 42px;
  font-weight: 600;
  letter-spacing: -1px;
}

.text {
  color: var(--color-text-secondary);
  font-size: 18px;
  line-height: 26px;
}

.doc-list {
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.doc-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 56px;
  padding: 14px 20px;
  font-size: 17px;
  font-weight: 500;
}

.doc-list li + li {
  border-top: 1px solid var(--color-line);
}

.doc-meta {
  flex: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 400;
}

.content .button {
  width: fit-content;
}

/* Payment: /payment/ form and /payment/done/ result (rendered by stub/app) */

.pay {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 760px;
  padding-top: 24px;
}

.pay-intro {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pay-form,
.pay-fields,
.pay-submit {
  display: flex;
  flex-direction: column;
}

.pay-form {
  gap: 24px;
}

.pay-fields,
.pay-submit {
  gap: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
}

.input-box {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 56px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: inset 0 0 0 1.5px var(--color-line);
}

.input-box:focus-within {
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.field.is-invalid .input-box {
  box-shadow: inset 0 0 0 2px var(--color-error);
}

.input {
  flex: 1;
  min-width: 0;
  height: 52px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--color-text);
  font: inherit;
  font-size: 17px;
  outline: none;
}

.input::placeholder,
.input-suffix {
  color: var(--color-text-muted);
  opacity: 1;
}

.input-suffix {
  font-size: 17px;
}

.field-hint,
.field-error,
.note {
  font-size: 13px;
  line-height: 1.45;
}

.field-hint {
  color: var(--color-text-muted);
}

.field-error {
  display: flex;
  gap: 8px;
  color: var(--color-error);
}

.field-error svg {
  flex: none;
  width: 18px;
  height: 18px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chips[hidden] {
  display: none;
}

.chip {
  min-height: 44px;
  padding: 0 16px;
  border: 0;
  border-radius: 22px;
  background: var(--color-primary-tint);
  color: var(--color-primary-hover);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.chip:hover {
  background: #d5e5fb;
}

.pay-submit .button {
  width: 100%;
  border: 0;
  font-family: inherit;
  cursor: pointer;
}

.note {
  display: flex;
  gap: 12px;
  color: var(--color-text-secondary);
}

.note svg {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.result {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 760px;
  padding-top: 48px;
}

.status-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-tint);
  color: var(--color-primary);
}

.status-badge-error {
  background: var(--color-error-tint);
  color: var(--color-error);
}

.status-badge svg {
  width: 30px;
  height: 30px;
}

/* Desktop */

@media (min-width: 768px) {
  :root {
    --page-x: clamp(32px, 11vw, 160px);
    --page-y: 40px;
  }

  .page {
    gap: 48px;
    padding-bottom: 40px;
  }

  .motif {
    top: calc(350px - 330px);
    right: calc(150px - 330px);
    width: 660px;
    height: 660px;
  }

  .header {
    min-height: 48px;
  }

  .logo {
    width: 166px;
    height: 48px;
  }

  .main {
    gap: 48px;
    max-width: 760px;
    margin-block: auto;
    padding-top: 0;
  }

  .intro {
    gap: 20px;
  }

  .title {
    font-size: clamp(52px, 5.3vw, 76px);
    line-height: 1.08;
    letter-spacing: -2px;
  }

  .lead {
    font-size: 24px;
    line-height: 35px;
  }

  .actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .button {
    min-height: 60px;
    padding: 0 32px;
    font-size: 18px;
  }

  .support-badge {
    width: 56px;
    height: 56px;
  }

  .support-badge svg {
    width: 24px;
    height: 24px;
  }

  .support-label,
  .label {
    font-size: 15px;
  }

  .support-phone {
    font-size: 30px;
    line-height: 36px;
  }

  .info {
    flex-direction: row;
    flex-wrap: wrap;
    column-gap: 96px;
    row-gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-line);
  }

  .tariffs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    row-gap: 8px;
    min-height: 44px;
    padding: 0;
    background: none;
  }

  .tariff {
    justify-content: flex-start;
    gap: 8px;
    min-height: 0;
    font-size: 17px;
  }

  .tariff + .tariff {
    border-top: 0;
    border-left: 1px solid var(--color-line);
    margin-left: 20px;
    padding-left: 20px;
  }

  .tariff-price::before {
    content: "— ";
  }

  .store {
    flex: none;
    min-height: 44px;
    font-size: 15px;
  }

  .footer {
    flex-direction: row;
    align-items: center;
    gap: 0;
    margin-top: 0;
    font-size: 14px;
    line-height: 17px;
  }

  .footer-sep,
  .footer-docs-sep {
    padding: 0 8px;
  }

  .footer-docs {
    padding: 0;
  }

  .content {
    gap: 40px;
    padding-top: 64px;
  }

  .page-title {
    font-size: 52px;
    line-height: 56px;
    letter-spacing: -1.5px;
  }

  .doc-list a {
    padding: 18px 24px;
  }

  .pay {
    gap: 40px;
    padding-top: 64px;
  }

  .pay-intro {
    gap: 16px;
  }

  .field-label {
    font-size: 15px;
  }

  .input-box {
    min-height: 60px;
  }

  .input {
    height: 56px;
  }

  .field-hint,
  .field-error,
  .note {
    font-size: 14px;
  }

  .result {
    gap: 32px;
    padding-top: 64px;
  }
}

@media (min-width: 1024px) {
  .pay {
    display: grid;
    grid-template-columns: minmax(0, 620px) 456px;
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "intro form"
      "support form";
    justify-content: space-between;
    column-gap: 64px;
    row-gap: 48px;
    max-width: none;
    margin-block: auto;
    padding-top: 0;
  }

  .pay-intro {
    grid-area: intro;
    padding-top: 24px;
  }

  .pay-form {
    grid-area: form;
    padding: 32px;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
  }

  .pay-support {
    grid-area: support;
  }
}

@media (min-width: 768px) and (max-width: 1199px) {
  .motif {
    top: -160px;
    right: -400px;
  }
}

@media (max-width: 767px) {
  .footer-docs-sep {
    display: none;
  }

  .footer-docs {
    display: block;
  }
}