/* Проектология — стили (self-host, WCAG 2.1 AA пары, light/dark). brandColor = #1559c4 */

/* ---- Self-host шрифта (без Google Fonts/CDN). Inter переменный, локально. ---- */
:root {
  --bg: #ffffff;
  --card: #f6f8fb;
  --line: #d4dae3;
  --field: #ffffff;
  --field-line: #c0c8d4;
  --fg: #14171d;
  --mut: #4b5563;
  --brand: #1559c4;
  --brand-ink: #ffffff;
  --brand-soft: #eef3fb;
  --brand-soft-ink: #0b3f8f;
  --ok: #0f7a52;
  --ok-ink: #ffffff;
  --warn-bg: #fff6e6;
  --warn-fg: #6b4a00;
  --warn-line: #f0d089;
  --accent-bg: #eef3fb;
  --accent-fg: #0b3f8f;
  --accent-line: #c5d8f2;
  --focus: #1559c4;
}
[data-theme='dark'] {
  --bg: #0f1115;
  --card: #171a21;
  --line: #2b313d;
  --field: #0e1016;
  --field-line: #323a47;
  --fg: #e7ebf2;
  --mut: #aab4c2;
  --brand: #4ea1ff;
  --brand-ink: #03121f;
  --brand-soft: #13233a;
  --brand-soft-ink: #cfe4ff;
  --ok: #3ecf8e;
  --ok-ink: #04130c;
  --warn-bg: #2a230f;
  --warn-fg: #f4d98a;
  --warn-line: #5a4a1e;
  --accent-bg: #13233a;
  --accent-fg: #cfe4ff;
  --accent-line: #284a72;
  --focus: #7fbcff;
}

* {
  box-sizing: border-box;
}
html {
  color-scheme: light;
}
[data-theme='dark'] {
  color-scheme: dark;
}
body {
  margin: 0;
  font: 16px/1.6 'Inter', -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--brand);
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--brand);
  color: var(--brand-ink);
  padding: 8px 14px;
  z-index: 100;
}
.skip:focus {
  left: 8px;
  top: 8px;
}
.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- header / nav ---- */
.site-header {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  z-index: 40;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  max-width: 1320px;
}
.logo {
  font-weight: 800;
  font-size: 21px;
  letter-spacing: 0;
  color: var(--fg);
  text-decoration: none;
  white-space: nowrap;
  flex: 0 0 auto;
}
.logo span {
  color: var(--brand);
}
.nav-menu {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  flex: 1 1 auto;
  flex-wrap: nowrap;
  min-width: 0;
}
.nav-menu a {
  color: var(--fg);
  text-decoration: none;
  padding: 8px 9px;
  border-radius: 8px;
  font-size: 15px;
  white-space: nowrap;
}
.nav-menu a:hover {
  background: var(--card);
}
.nav-menu a[aria-current='page'] {
  color: var(--brand);
  font-weight: 700;
}
.nav-menu a.cta {
  background: var(--brand);
  color: var(--brand-ink);
  font-weight: 700;
  margin-left: 6px;
}
.nav-menu a.cta:hover {
  filter: brightness(1.05);
  background: var(--brand);
}
.controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}
.theme {
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 7px 11px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  min-width: 40px;
  line-height: 1;
}
.nav-toggle {
  display: none;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 7px 11px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 18px;
}

/* ---- sections ---- */
main {
  padding: 0 0 64px;
}
.hero {
  padding: 56px 0 40px;
}
.badge {
  display: inline-block;
  background: var(--accent-bg);
  color: var(--accent-fg);
  border: 1px solid var(--accent-line);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
h2 {
  font-size: clamp(22px, 3.4vw, 30px);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}
h3 {
  font-size: 18px;
  margin: 0 0 8px;
}
.lead {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--mut);
  max-width: 66ch;
  margin: 0 0 24px;
}
p {
  max-width: 72ch;
}
.section {
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.section.tight {
  padding: 24px 0;
}
.muted {
  color: var(--mut);
}

/* ---- buttons ---- */
.btn {
  display: inline-block;
  background: var(--brand);
  color: var(--brand-ink);
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 10px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  font-size: 16px;
}
.btn:hover {
  filter: brightness(1.06);
}
.btn.alt {
  background: var(--card);
  color: var(--fg);
  border: 1px solid var(--line);
}
.btn-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 8px;
}

/* ---- grids / cards ---- */
.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.grid-2 {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.card .ic {
  font-size: 24px;
  margin-bottom: 8px;
}
.card h3 {
  margin-bottom: 6px;
}
.card p {
  color: var(--mut);
  margin: 0;
}
.pill {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.pill.ready {
  background: var(--brand-soft);
  color: var(--brand-soft-ink);
}
.pill.rnd {
  background: var(--warn-bg);
  color: var(--warn-fg);
  border: 1px solid var(--warn-line);
}

/* ---- step list ---- */
.steps {
  display: grid;
  gap: 16px;
  counter-reset: step;
}
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
}
.step .num {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand-soft-ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

/* ---- pricing ---- */
.price-table {
  width: 100%;
  border-collapse: collapse;
}
.price-table th,
.price-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.price-table th {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--mut);
}
.price {
  font-weight: 800;
  white-space: nowrap;
}

/* ---- forms ---- */
.field {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
}
.field label {
  font-weight: 600;
  font-size: 15px;
}
.field .req {
  color: var(--brand);
}
.field input,
.field select,
.field textarea {
  font: inherit;
  background: var(--field);
  color: var(--fg);
  border: 1px solid var(--field-line);
  border-radius: 10px;
  padding: 11px 13px;
  width: 100%;
}
.checkrow {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 10px;
  align-items: start;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--mut);
}
.checkrow input {
  margin-top: 3px;
}
.form-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  max-width: 620px;
}
.payment-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  margin-top: 24px;
}
.payment-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.payment-logo {
  display: block;
  width: 142px;
  max-width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
}
.checkout-form {
  display: grid;
  gap: 14px;
}
.checkout-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}
.checkout-form input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--field-line);
  background: var(--field);
  color: var(--fg);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
.plan-list {
  display: grid;
  gap: 10px;
}
.plan-option {
  display: grid !important;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: var(--bg);
}
.plan-option input {
  width: 18px;
  height: 18px;
}
.plan-option small {
  display: block;
  color: var(--mut);
  font-weight: 500;
}
.form-error {
  display: none;
  background: #fde8e8;
  color: #8a1c1c;
  border: 1px solid #f2b6b6;
  border-radius: 10px;
  padding: 10px 13px;
  margin-bottom: 14px;
  font-size: 14px;
}
[data-theme='dark'] .form-error {
  background: #3a1414;
  color: #f5b5b5;
  border-color: #5a2020;
}
.form-done {
  display: none;
  background: var(--brand-soft);
  color: var(--brand-soft-ink);
  border: 1px solid var(--accent-line);
  border-radius: 14px;
  padding: 22px 24px;
  max-width: 620px;
}

/* ---- requisites block ---- */
.requisites {
  display: grid;
  gap: 6px;
  font-size: 14px;
}
.requisites dt {
  color: var(--mut);
}
.requisites .row {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
}
.requisites .row .k {
  color: var(--mut);
}

/* ---- footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 36px 0;
  font-size: 14px;
  color: var(--mut);
}
.site-footer .cols {
  display: grid;
  gap: 24px;
  grid-template-columns: 1.4fr 1fr 1fr;
}
.site-footer h4 {
  color: var(--fg);
  font-size: 14px;
  margin: 0 0 10px;
}
.site-footer a {
  color: var(--mut);
  text-decoration: none;
  display: block;
  padding: 3px 0;
}
.site-footer a:hover {
  color: var(--brand);
}
.foot-req {
  line-height: 1.7;
}
.foot-bottom {
  border-top: 1px solid var(--line);
  margin-top: 24px;
  padding-top: 16px;
  font-size: 13px;
}

/* ---- consent (152-ФЗ) ---- */
.consent {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.18);
  max-width: 560px;
  margin: 0 auto;
  font-size: 14px;
}
.consent .row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

/* ---- responsive ---- */
@media (max-width: 1240px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px;
    gap: 2px;
    min-width: 0;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu a {
    padding: 10px 12px;
    white-space: normal;
  }
  .nav-menu a.cta {
    margin-left: 0;
    text-align: center;
  }
  .nav-toggle {
    display: inline-block;
  }
}

@media (max-width: 820px) {
  .site-footer .cols {
    grid-template-columns: 1fr;
  }
  .requisites .row {
    grid-template-columns: 1fr;
    gap: 2px;
  }
  .step {
    grid-template-columns: 1fr;
  }
  .payment-head {
    display: block;
  }
  .payment-logo {
    margin-top: 12px;
  }
  .plan-option {
    grid-template-columns: auto 1fr;
  }
  .plan-option strong {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .price-table,
  .price-table tbody,
  .price-table tr,
  .price-table td {
    display: block;
    width: 100%;
  }
  .price-table thead {
    display: none;
  }
  .price-table tr {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    margin-bottom: 10px;
    padding: 12px 14px;
  }
  .price-table td {
    border-bottom: 0;
    padding: 2px 0;
  }
  .price-table td:first-child {
    color: var(--fg);
    font-weight: 800;
  }
  .price-table td.price {
    margin: 4px 0;
    white-space: normal;
  }
}