/* Kaydzo Warranty — в стиле kaydzo.ru (монохром) */
:root {
  --header-bg: #2b2727;
  --ink: #000000;
  --ink-soft: #4a4a4a;
  --ink-muted: #808080;
  --surface: #ffffff;
  --field-bg: #f5f4f2;
  --field-border: #ddd9d4;
  --surface-glass: rgba(255, 255, 255, 0.88);
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: #e8e6e3;
  --form-gap: 1.125rem;
  --form-gap-lg: 1.5rem;
  --form-gap-tight: 0.875rem;
  --field-h: 3rem;
  --accent: #141210;
  --accent-muted: #666666;
  --error: #c0392b;
  --success: #2d6a4f;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-soft: 0 2px 16px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 16px 48px rgba(0, 0, 0, 0.08);
  --shadow-focus: 0 0 0 3px rgba(0, 0, 0, 0.08);
  --font: "PT Root UI", Arial, sans-serif;
  --font-heading: "Istok Web", Arial, sans-serif;
  --heading-weight: 600;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --header-h: 88px;
  --logo-max-width: 240px;
  --logo-h: 48px;
  --logo-aspect: 2446 / 723;
  --chrome-min-h: 11.5rem;
  --layout-pad: clamp(1.25rem, 4vw, 2.5rem);
  --max: 1280px;
  --valid: #2d6a4f;
  --valid-bg: rgba(45, 106, 79, 0.06);
  --invalid-bg: rgba(192, 57, 57, 0.05);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --ease-out: ease;
    --ease-spring: ease;
  }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink);
  background: #f7f7f7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

/* ─── Ambient background ─── */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient__mesh {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(0, 0, 0, 0.03), transparent 60%),
    linear-gradient(180deg, #fafafa 0%, #f7f7f7 100%);
}

.ambient__grain {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

/* декоративная линия убрана — путали со степпером формы */
.ambient__line {
  display: none;
}

/* ─── Верх сайта: как kaydzo.ru — шапка + белая зона заголовка, без анимаций ─── */
.site-top {
  position: relative;
  z-index: 200;
  flex-shrink: 0;
}

.site-top .reveal,
.site-top .reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: none;
}

.page-chrome {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.layout--chrome {
  padding-bottom: 0;
}

.layout--main {
  padding-top: clamp(1.5rem, 3vw, 2.25rem);
}

/* ─── Header ─── */
.header {
  position: sticky;
  top: 0;
  z-index: 201;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--header-h);
  min-height: var(--header-h);
  max-height: var(--header-h);
  padding: 0 var(--layout-pad);
  background: var(--header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header__left {
  display: flex;
  gap: 1.75rem;
}

.header__left a {
  font-size: 13px;
  font-weight: normal;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.88);
  text-decoration: none;
  transition: color 0.25s var(--ease-out);
}

.header__left a:hover {
  opacity: 0.75;
}

.header__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  text-decoration: none;
  color: #fff;
  line-height: 0;
}

/* Как на kaydzo.ru: --logo-max-width: 240px, фиксированная высота шапки */
.header__logo {
  height: var(--logo-h);
  max-width: min(var(--logo-max-width), 46vw);
}

.header__logo-img {
  display: block;
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: var(--logo-h);
  aspect-ratio: var(--logo-aspect);
  object-fit: contain;
  object-position: center;
}

@media (max-width: 768px) {
  :root {
    --logo-max-width: 200px;
    --logo-h: 40px;
  }
}

@media (max-width: 480px) {
  :root {
    --logo-max-width: 168px;
    --logo-h: 34px;
  }
}

.header__right {
  display: flex;
  justify-content: flex-end;
  gap: 1.1rem;
}

.header__icon-link {
  display: flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  transition: background 0.25s, transform 0.25s var(--ease-spring);
}

.header__icon-link:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: scale(1.05);
}

.header__icon-link svg {
  width: 20px;
  height: 20px;
}

/* ─── Layout ─── */
.layout {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--layout-pad) 5rem;
}

.reveal {
  opacity: 1;
  transform: translateY(20px);
  transition: transform 0.85s var(--ease-out);
}

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

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 1.75rem 0 0.5rem;
  font-size: 14px;
}

.breadcrumbs a {
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.breadcrumbs a:hover {
  color: var(--ink);
}

.breadcrumbs__sep,
.breadcrumbs__current {
  color: var(--ink-muted);
}

/* Page head — фиксированная зона, без сдвига при отправке формы */
.page-chrome .layout--chrome {
  min-height: var(--chrome-min-h);
}

.page-head {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  min-height: 5.5rem;
}

.heading {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: var(--heading-weight);
  line-height: 1.25;
  letter-spacing: normal;
  color: var(--ink);
}

.page-lead {
  margin: 0;
  max-width: 42ch;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--ink-soft);
}

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

.field-optional {
  font-weight: 400;
  color: var(--ink-muted);
}

/* ─── Grid ─── */
.page-grid {
  display: grid;
  grid-template-columns: minmax(260px, 300px) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

@media (min-width: 1100px) {
  .page-grid {
    grid-template-columns: 300px minmax(480px, 720px);
    justify-content: center;
  }
}

/* Aside card */
.aside {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

.aside-card {
  position: relative;
  padding: 1.75rem;
  background: #2b2727;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.benefits {
  margin: 0 0 1.75rem;
  padding: 0;
  list-style: none;
}

.benefits li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.benefits li:first-child {
  padding-top: 0;
}

.benefits__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
}

.benefits__icon svg {
  width: 20px;
  height: 20px;
}

.benefits strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: var(--heading-weight);
  color: #fff;
  margin-bottom: 0.2rem;
}

.benefits span,
.benefits a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  line-height: 1.45;
}

.benefits a:hover {
  color: #fff;
}

.aside-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 0.15rem;
}

.aside-contacts a {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.aside-contacts a:hover {
  color: #fff;
  text-decoration: underline;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.95rem 1.35rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 0;
  transition: background 0.3s, border-color 0.3s, transform 0.3s var(--ease-spring);
}

.btn-outline svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s var(--ease-out);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-outline:hover svg {
  transform: translateX(4px);
}

/* ─── Form shell ─── */
.form-shell {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--surface);
  border-radius: 20px;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 24px 56px rgba(43, 39, 39, 0.07),
    0 4px 16px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(43, 39, 39, 0.08);
}

.warranty-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--form-gap-lg);
}

.warranty-form:not(.warranty-form--submitted) .section-status {
  display: none !important;
}

.warranty-form:not(.warranty-form--submitted) .form-block--invalid,
.warranty-form:not(.warranty-form--submitted) .form-block--partial,
.warranty-form:not(.warranty-form--submitted) .form-block--complete {
  box-shadow: none;
}

.field-float--phone input {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
}

/* Секции формы */
.form-block {
  margin: 0;
  padding: clamp(1.35rem, 3vw, 1.75rem);
  background: linear-gradient(180deg, #fcfcfb 0%, #f8f7f5 100%);
  border: 1px solid rgba(43, 39, 39, 0.07);
  border-radius: 16px;
  transition: box-shadow 0.3s var(--ease-out), border-color 0.3s;
}

.warranty-form--submitted .form-block--invalid {
  border-color: rgba(192, 57, 43, 0.35);
  box-shadow: 0 0 0 1px rgba(192, 57, 43, 0.08);
}

.warranty-form--submitted .form-block--complete {
  border-color: rgba(45, 106, 79, 0.25);
}

.form-block--legal {
  background: var(--surface);
}

.form-block__head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.form-block__head--compact {
  margin-bottom: 1rem;
}

.form-block__step {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--header-bg);
  border-radius: 10px;
  letter-spacing: 0.02em;
}

.form-block__intro {
  flex: 1;
  min-width: 0;
}

.form-block__title {
  margin: 0 0 0.2rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--heading-weight);
  letter-spacing: normal;
  color: var(--accent);
}

.form-block__desc {
  margin: 0;
  font-size: 0.875rem;
  color: var(--ink-muted);
  line-height: 1.4;
}

.section-status {
  flex-shrink: 0;
  align-self: center;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
}

.section-status:empty {
  display: none;
}

.section-status[data-state="ok"] {
  color: var(--valid);
  background: var(--valid-bg);
}

.section-status[data-state="pending"] {
  color: var(--ink-muted);
  background: rgba(0, 0, 0, 0.05);
}

.section-status[data-state="error"] {
  color: #9b2c24;
  background: var(--invalid-bg);
}

.form-row-label {
  margin: 0.15rem 0 -0.35rem;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* Единые отступы между всеми полями (включая «Улица» вне сетки) */
.form-stack {
  display: flex;
  flex-direction: column;
  gap: var(--form-gap);
}

.form-row {
  display: grid;
  gap: var(--form-gap);
  align-items: start;
}

.form-row--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-row--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.form-row--postal {
  grid-template-columns: minmax(7.5rem, 9rem) minmax(0, 1fr);
}

.form-stack .field-float,
.form-stack .field-select,
.form-stack .field-date {
  margin-bottom: 0;
}

.field-float--full {
  width: 100%;
}

/* Legacy aliases */
.grid {
  display: grid;
  gap: var(--form-gap);
  margin-bottom: var(--form-gap);
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Поля ввода — подпись сверху */
.field-float {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-float label {
  order: -1;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  line-height: 1.3;
}

.field-float label .req {
  color: #b85c52;
  font-weight: 700;
}

.field-float input {
  width: 100%;
  min-height: var(--field-h);
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--field-border);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(43, 39, 39, 0.04);
  transition:
    border-color 0.2s var(--ease-out),
    box-shadow 0.2s var(--ease-out);
  appearance: none;
}

.field-float input::placeholder {
  color: #b0aca6;
  font-weight: 400;
}

.field-float input:hover:not(:focus):not(:disabled) {
  border-color: #c4bfb8;
}

.field-float input:focus,
.field-float.is-filled input {
  border-color: var(--header-bg);
  box-shadow: 0 0 0 3px rgba(43, 39, 39, 0.08);
  outline: none;
}

/* Validation states */
.field-float.is-invalid input,
.field-select.is-invalid select,
.field-date.is-invalid input {
  border-color: var(--error);
  background: var(--invalid-bg);
}

.field-float.is-invalid input:focus,
.field-select.is-invalid select:focus,
.field-date.is-invalid input:focus {
  box-shadow: 0 0 0 3px rgba(192, 57, 57, 0.12);
}

.field-float.is-invalid label,
.field-select.is-invalid label,
.field-date.is-invalid label {
  color: var(--error);
}

.field-float.is-valid input,
.field-select.is-valid select,
.field-date.is-valid input {
  border-color: var(--valid);
  background: var(--valid-bg);
}

.field-float.is-valid label,
.field-select.is-valid label,
.field-date.is-valid label {
  color: var(--valid);
}

.field-feedback {
  display: block;
  font-size: 12px;
  line-height: 1.4;
  color: var(--error);
  min-height: 0;
  max-height: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 0.25s var(--ease-out),
    opacity 0.25s,
    margin 0.25s;
}

.field-float.is-invalid .field-feedback,
.field-select.is-invalid .field-feedback,
.field-date.is-invalid .field-feedback,
.consent-card.is-invalid .field-feedback {
  max-height: 2.5rem;
  opacity: 1;
  margin-top: 0.15rem;
}

.consent-card > .field-feedback {
  flex: 1 1 100%;
  padding-left: 2.75rem;
  margin-top: 0;
}

.field-float.shake,
.field-select.shake,
.field-date.shake,
.consent-card.shake {
  animation: fieldShake 0.5s var(--ease-out);
}

@keyframes fieldShake {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-5px); }
  36% { transform: translateX(5px); }
  54% { transform: translateX(-3px); }
  72% { transform: translateX(3px); }
}

.field-float__line {
  display: none;
}

/* Дата */
.field-date {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-date label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}

.field-date__wrap {
  position: relative;
  display: block;
  max-width: 100%;
  overflow: hidden;
  border-radius: 10px;
}

.field-date input[type="date"] {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-height: var(--field-h);
  padding: 0.75rem 3rem 0.75rem 1rem;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--field-border);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(43, 39, 39, 0.04);
  color-scheme: light;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
  pointer-events: auto;
}

.field-date input:focus {
  border-color: var(--header-bg);
  box-shadow: 0 0 0 3px rgba(43, 39, 39, 0.08);
  outline: none;
}

/* Десктоп: одна иконка — наша кнопка */
@media (min-width: 769px) and (pointer: fine) {
  .field-date input[type="date"] {
    -webkit-appearance: none;
    -moz-appearance: textfield;
    appearance: none;
    background-image: none;
  }

  .field-date input[type="date"]::-webkit-calendar-picker-indicator {
    display: none !important;
    opacity: 0 !important;
    width: 0 !important;
    height: 0 !important;
    pointer-events: none !important;
  }
}

/* Телефон / планшет: нативный календарь iOS/Android, без нашей кнопки */
@media (max-width: 768px), (pointer: coarse) {
  .field-date__picker {
    display: none !important;
  }

  .field-date input[type="date"] {
    padding-right: 0.75rem;
    -webkit-appearance: auto;
    appearance: auto;
  }

  .field-date input[type="date"]::-webkit-calendar-picker-indicator {
    display: block;
    opacity: 1;
    width: 1.25rem;
    height: 1.25rem;
    margin: 0;
    padding: 0;
    cursor: pointer;
  }
}

.field-date__picker {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  pointer-events: auto;
  transition: background 0.15s, color 0.15s;
}

.field-date__picker:hover,
.field-date__picker:focus-visible {
  background: rgba(43, 39, 39, 0.08);
  color: var(--ink);
  outline: none;
}

.field-date__picker svg {
  display: block;
  pointer-events: none;
}

.field-date input::-webkit-date-and-time-value {
  display: block;
  text-align: left;
  font-weight: 500;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.field-date.is-invalid input {
  border-color: var(--error);
  background: var(--invalid-bg);
}

.field-date.is-invalid label {
  color: var(--error);
}

.field-date.is-valid input {
  border-color: var(--valid);
  background: var(--valid-bg);
}

.field-date.is-valid label {
  color: var(--valid);
}

.field-date .field-feedback {
  padding-left: 0;
}

/* Select — подпись сверху, как у текстовых полей */
.field-select {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.field-select label {
  order: -1;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
  line-height: 1.3;
}

.field-select label .req {
  color: #b85c52;
  font-weight: 700;
}

.field-select select {
  order: 0;
  width: 100%;
  min-height: var(--field-h);
  padding: 0.75rem 2.5rem 0.75rem 1rem;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--field-border);
  border-radius: 10px;
  box-shadow: 0 1px 2px rgba(43, 39, 39, 0.04);
  cursor: pointer;
  appearance: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%232b2727' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
}

.field-select select:hover {
  border-color: #c4bfb8;
}

.field-select select:focus {
  outline: none;
  border-color: var(--header-bg);
  box-shadow: 0 0 0 3px rgba(43, 39, 39, 0.08);
}

.field-select select:invalid {
  color: var(--ink-muted);
}

.field-select .hint {
  order: 1;
  margin: 0;
}

.hint {
  margin: 0.35rem 0 0;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.45;
}

.hint a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hint a:hover {
  color: var(--ink-soft);
}

/* Согласия */
.form-block--legal {
  background: var(--surface);
}

.consent-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.consent-card {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 0.65rem 1rem;
  padding: 1.1rem 1.15rem;
  cursor: pointer;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  transition:
    border-color 0.25s,
    box-shadow 0.25s,
    background 0.25s;
}

.consent-card:hover {
  border-color: #ccc;
}

.consent-card--optional {
  background: transparent;
  border-style: dashed;
  border-color: #ddd;
}

.consent-card--optional:hover {
  background: var(--surface);
  border-style: solid;
}

.consent-card input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.consent-card__box {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border: 1.5px solid var(--line-strong);
  border-radius: 4px;
  background: var(--surface);
  position: relative;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.consent-card__box::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 5px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.2s var(--ease-out);
}

.consent-card input:checked + .consent-card__box {
  background: var(--accent);
  border-color: var(--accent);
}

.consent-card input:checked + .consent-card__box::after {
  transform: rotate(45deg) scale(1);
}

.consent-card input:focus-visible + .consent-card__box {
  box-shadow: var(--shadow-focus);
}

.consent-card__body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.consent-card__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.35;
}

.consent-card__text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-muted);
}

.consent-card__text a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.consent-card__text a:hover {
  color: var(--ink-soft);
}

.consent-card.is-invalid {
  border-color: var(--error);
  background: var(--invalid-bg);
  box-shadow: 0 0 0 1px rgba(192, 57, 57, 0.08);
}

.consent-card.is-invalid .consent-card__box {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(192, 57, 57, 0.1);
}

.consent-card.is-invalid .consent-card__title {
  color: var(--error);
}

.consent-card.is-valid:not(.consent-card--optional) {
  border-color: var(--valid);
  background: var(--valid-bg);
}

.consent-card.is-valid .consent-card__box {
  background: var(--accent);
  border-color: var(--accent);
}

/* Submit */
.form-footer {
  margin-top: 0.25rem;
  padding-top: 0.5rem;
}

.btn-submit {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  max-width: 100%;
  padding: 1.05rem 2rem;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--header-bg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s, background 0.3s;
}

.btn-submit__shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    transparent 40%,
    rgba(255, 255, 255, 0.12) 50%,
    transparent 60%
  );
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
  background: #000000;
}

.btn-submit:hover:not(:disabled) .btn-submit__shine {
  transform: translateX(100%);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(-1px);
}

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-submit__arrow {
  width: 20px;
  height: 20px;
  transition: transform 0.3s var(--ease-out);
}

.btn-submit:hover:not(:disabled) .btn-submit__arrow {
  transform: translateX(4px);
}

.btn-spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-spinner:not([hidden]) {
  display: inline-block;
}

.btn-submit:disabled .btn-label,
.btn-submit:disabled .btn-submit__arrow {
  opacity: 0;
}

.form-status {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1.1rem;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  min-height: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s, transform 0.4s var(--ease-out);
}

.form-status:not(:empty) {
  opacity: 1;
  transform: translateY(0);
}

.form-status--error {
  color: var(--error);
  background: rgba(201, 59, 59, 0.08);
  border: 1px solid rgba(201, 59, 59, 0.2);
}

.form-status--success {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.35rem;
  color: var(--ink);
  background: linear-gradient(135deg, rgba(45, 106, 79, 0.1) 0%, rgba(45, 106, 79, 0.04) 100%);
  border: 1px solid rgba(45, 106, 79, 0.28);
  border-radius: 14px;
  box-shadow: 0 8px 28px rgba(45, 106, 79, 0.1);
}

.form-status__icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--success);
  color: #fff;
}

.form-status__icon svg {
  width: 1.35rem;
  height: 1.35rem;
}

.form-status__body {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.form-status__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--heading-weight);
  line-height: 1.3;
  color: var(--success);
}

.form-status__desc {
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.55;
  color: var(--ink-soft);
}

/* Footer */
.footer {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
  padding: 2rem var(--layout-pad);
  border-top: 1px solid var(--line);
}

.footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 13px;
  color: var(--ink-muted);
}

.footer__links {
  display: flex;
  gap: 1.75rem;
}

.footer__links a {
  text-decoration: none;
  color: var(--ink-muted);
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--ink);
}

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

/* Поля всегда видны (в т.ч. при открытии HTML с диска без JS) */
.form-stack .field-float,
.form-stack .field-select,
.form-stack .field-date,
.form-block .consent-list {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .form-block.is-visible .form-stack .field-float,
  .form-block.is-visible .form-stack .field-select,
  .form-block.is-visible .form-stack .field-date {
    animation: field-in 0.35s var(--ease-out) both;
  }
}

@keyframes field-in {
  from {
    opacity: 0.6;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 1024px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .aside {
    position: static;
  }

  .aside-card {
    display: block;
  }
}

@media (max-width: 640px) {
  .header {
    grid-template-columns: 1fr auto;
  }

  .header__left {
    display: none;
  }

  .form-row--2,
  .form-row--3,
  .form-row--postal,
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }

  .form-stack {
    gap: var(--form-gap-tight);
  }

  .form-row {
    gap: var(--form-gap-tight);
  }

  .btn-submit {
    width: 100%;
  }
}