/* Верный счёт — светлая деловая тема: белый, небесно-синий, тёмно-синий, жёлтые CTA */

:root {
  --white: #ffffff;
  --navy: #17383b;
  --ink: #193335;
  --muted: #496363;
  --sky: #48b5ad;
  --blue: #116e69;
  --blue-deep: #0b5955;
  --ice: #e4f4ef;
  --ice-soft: #f3f9f6;
  --line: #d3e8e1;
  --sun: #ecad40;
  --sun-hover: #f2bf61;
  --warn: #b3261e;

  --f-sans: "Avenir Next", "Avenir", "Montserrat", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --shadow-card: 0 18px 40px -18px rgba(19, 26, 53, 0.28), 0 2px 6px rgba(19, 26, 53, 0.06);
  --radius-s: 4px;
  --radius-m: 8px;
  --radius-l: 14px;
}

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

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

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 17px;
  line-height: 1.55;
  overflow-x: clip;
}

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

img {
  height: auto;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--navy);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.75rem, 1.2rem + 2vw, 2.6rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0;
  text-wrap: pretty;
}

a {
  color: var(--blue);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue-deep);
}

:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--white);
}

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 30;
  padding: 10px 16px;
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

/* ---------- buttons and links ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 52px;
  padding: 12px 30px;
  border: 0;
  border-radius: var(--radius-s);
  background: var(--sun);
  color: var(--navy);
  font: inherit;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.button:hover {
  background: var(--sun-hover);
  color: var(--navy);
  box-shadow: 0 8px 18px -8px rgba(19, 26, 53, 0.45);
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.text-link {
  color: var(--blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.note {
  color: var(--muted);
  font-size: 0.9rem;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head p {
  margin-top: 16px;
  color: var(--ink);
  font-size: 1.12rem;
}

/* ---------- header ---------- */

.site-header {
  position: relative;
  z-index: 10;
  background: var(--white);
}

.header-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding-block: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--navy);
  text-decoration: none;
}

.brand:hover {
  color: var(--navy);
}

.brand-mark {
  width: 48px;
  height: 48px;
  flex: none;
}

.brand-text {
  display: grid;
}

.brand-name {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--blue);
  font-size: 0.98rem;
  line-height: 1.3;
}

.header-note {
  justify-self: center;
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: center;
}

.header-actions {
  display: grid;
  justify-items: end;
  gap: 4px;
}

.header-price {
  color: var(--navy);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.header-link {
  font-size: 0.98rem;
  font-weight: 600;
}

.menu-toggle {
  display: none;
}

.nav-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 24px;
  padding-block: 12px 14px;
  border-top: 3px solid var(--ice);
}

.site-nav a {
  padding-block: 6px;
  color: var(--ink);
  font-size: 1.08rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--blue);
}

.site-nav .nav-cta {
  display: none;
}

/* ---------- hero ---------- */

.hero {
  padding-top: 26px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: end;
  gap: 32px;
}

.hero-text {
  align-self: center;
  padding-bottom: 48px;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: 36px;
  color: var(--ink);
  font-size: 0.9rem;
}

.crumbs span + span::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--sky);
  vertical-align: 0.1em;
}

.hero h1 {
  max-width: 13ch;
  font-size: clamp(2.3rem, 1.4rem + 3.4vw, 3.6rem);
  line-height: 1.06;
}

.hero-price {
  margin-top: 26px;
  color: var(--blue-deep);
  font-size: 1.3rem;
  font-weight: 700;
}

.hero-price strong {
  font-size: 2.3rem;
  letter-spacing: -0.02em;
}

.lead {
  max-width: 34rem;
  margin-top: 18px;
  font-size: 1.1rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 28px;
  margin-top: 30px;
}

.hero .note {
  margin-top: 16px;
}

.hero-art img {
  width: 100%;
  margin-bottom: -2px;
}

.perks {
  background: var(--ice);
}

.perks-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-block: 0;
  padding: 34px 0 38px;
  list-style: none;
}

.perks-list li {
  display: grid;
  gap: 14px;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.35;
}

.perk-icon {
  width: 64px;
  height: 64px;
}

/* ---------- services ---------- */

.services {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr);
  align-items: start;
  gap: 40px;
  padding-block: 84px 92px;
}

.service-panel {
  position: sticky;
  top: 20px;
  padding: 22px 26px;
  background: var(--sky);
}

.service-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-panel li + li {
  margin-top: 6px;
}

.service-panel a {
  display: flex;
  gap: 14px;
  padding-block: 10px;
  color: var(--navy);
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.3;
  text-decoration: none;
}

.service-panel a::before {
  content: "";
  flex: none;
  width: 12px;
  height: 12px;
  margin-top: 0.38em;
  border-radius: 50%;
  background: var(--navy);
}

.service-panel a:hover {
  color: var(--navy);
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.service-panel a:focus-visible {
  box-shadow: none;
}

.services-intro {
  max-width: 48rem;
  font-size: 1.05rem;
}

.services h2 {
  max-width: 18ch;
  margin-top: 28px;
}

.entries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 36px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: entry;
}

.entry {
  position: relative;
  padding: 4px 0 0 64px;
  counter-increment: entry;
  scroll-margin-top: 24px;
}

.entry::before {
  content: counter(entry);
  position: absolute;
  top: 0;
  left: 0;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--ice);
  color: var(--blue-deep);
  font-size: 1.2rem;
  font-weight: 800;
}

.entry p {
  margin-top: 6px;
}

.entry-tags {
  color: var(--blue-deep);
  font-size: 0.88rem;
  font-weight: 600;
}

/* ---------- facts band ---------- */

.facts {
  background: var(--sky);
}

.facts-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-block: 0;
  padding: 64px 0;
  list-style: none;
  text-align: center;
}

.facts-list li {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.fact-num {
  position: relative;
  isolation: isolate;
  color: var(--navy);
  font-size: clamp(2.6rem, 1.8rem + 2.6vw, 3.8rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
}

.fact-num::after {
  content: "";
  position: absolute;
  top: -12px;
  right: -22px;
  z-index: -1;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--white);
  opacity: 0.55;
}

.fact-label {
  max-width: 14rem;
  color: var(--navy);
  font-size: 1.08rem;
}

/* ---------- pricing ---------- */

.pricing {
  padding-block: 84px 72px;
  background: var(--white) url("grid.svg") repeat;
}

.plans {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 30px 34px;
  background: var(--white);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  text-align: center;
}

.plan-title {
  color: var(--blue-deep);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.plan-art {
  width: 180px;
  margin-top: 18px;
}

.plan-for {
  margin-top: 14px;
  color: var(--blue-deep);
  font-size: 0.98rem;
}

.plan-price {
  margin-top: 10px;
  color: var(--blue-deep);
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.plan-from {
  font-size: 1rem;
  letter-spacing: 0;
}

.plan-unit {
  font-size: 1.1rem;
  letter-spacing: 0;
}

.plan-button {
  width: 100%;
  margin-top: 22px;
}

.plan-list {
  align-self: stretch;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.95rem;
  text-align: left;
}

.plan-list li {
  position: relative;
  padding-left: 22px;
}

.plan-list li + li {
  margin-top: 8px;
}

.plan-list li::before {
  content: "+";
  position: absolute;
  left: 2px;
  color: var(--blue);
  font-weight: 800;
}

.pricing-extra {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.formula,
.pricing-side {
  padding: 30px 32px;
  border-radius: var(--radius-m);
}

.formula {
  background: var(--white);
  box-shadow: var(--shadow-card);
}

.formula-title,
.side-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 700;
}

.formula-title span {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.formula table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

.formula th,
.formula td {
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  vertical-align: top;
}

.formula th {
  padding-right: 16px;
  font-weight: 500;
  text-align: left;
}

.formula td {
  color: var(--blue-deep);
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.formula-note,
.fine-print {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.pricing-side {
  align-self: start;
  background: var(--ice);
}

.center-action {
  margin-top: 44px;
  text-align: center;
}

/* ---------- offer ---------- */

.offer {
  overflow: hidden;
  padding-top: 64px;
}

.offer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 40px;
}

.offer-text {
  display: grid;
  justify-items: center;
  gap: 24px;
  padding-bottom: 40px;
  text-align: center;
}

.offer-text h2 {
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3rem);
}

.marker {
  display: inline-block;
  margin-top: 6px;
  padding: 0 0.4em 0.06em;
  border-radius: 1.2em 0.6em 1.4em 0.7em;
  background: #ffdf9e;
}

.offer-text p {
  max-width: 28rem;
  font-size: 1.15rem;
}

/* ---------- process ---------- */

.process {
  padding: 56px 0;
  background-image: radial-gradient(circle, var(--navy) 2.2px, transparent 2.8px);
  background-size: 44px 44px;
  background-position: 10px 10px;
}

.process-frame {
  padding: 60px 48px 64px;
  background: var(--white);
}

.underlined {
  display: inline-block;
  padding-bottom: 16px;
  background: url("underline.svg") center bottom / 100% 14px no-repeat;
}

.steps-wrap {
  position: relative;
}

.steps-arcs {
  position: absolute;
  inset: 0 0 auto;
  width: 100%;
  height: 220px;
  pointer-events: none;
}

.steps {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: start;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    ". icon"
    "num text";
  gap: 10px 14px;
}

.step:nth-child(1) { margin-top: 150px; }
.step:nth-child(2) { margin-top: 96px; }
.step:nth-child(3) { margin-top: 48px; }

.step-num {
  grid-area: num;
  color: var(--sky);
  font-size: 5rem;
  font-weight: 700;
  line-height: 0.85;
}

.step:nth-child(2) .step-num { color: var(--blue); }
.step:nth-child(3) .step-num { color: var(--navy); }
.step:nth-child(4) .step-num { color: var(--blue-deep); }

.step-icon {
  grid-area: icon;
  width: 72px;
  height: 72px;
}

.step-text {
  grid-area: text;
}

.step h3 {
  font-size: 1.08rem;
}

.step p {
  margin-top: 6px;
  font-size: 0.95rem;
}

/* ---------- calculator ---------- */

.calc {
  padding-block: 88px;
  background: var(--ice-soft);
}

.noscript {
  max-width: 760px;
  margin: 0 auto 28px;
  padding: 16px 20px;
  border-left: 4px solid var(--sun);
  background: var(--white);
}

.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: start;
  gap: 30px;
}

.calc-controls {
  display: grid;
  gap: 34px;
  min-width: 0;
  padding: 36px;
  background: var(--white);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
}

.field-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

label {
  color: var(--navy);
  font-weight: 600;
}

select,
input:not([type="range"]),
textarea {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius-s);
  background-color: var(--white);
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

select {
  padding-right: 44px;
  appearance: none;
  background-image: url("chevron.svg");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  text-overflow: ellipsis;
  cursor: pointer;
}

select:hover,
input:not([type="range"]):hover,
textarea:hover {
  border-color: var(--sky);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

::placeholder {
  color: #6b7491;
}

.range-field {
  min-width: 0;
}

.range-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 12px;
}

.range-label output {
  min-width: 3ch;
  color: var(--blue-deep);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  height: 28px;
  margin: 0;
  background: transparent;
  appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 8px;
  border-radius: 4px;
  background: var(--ice);
}

input[type="range"]::-moz-range-track {
  height: 8px;
  border-radius: 4px;
  background: var(--ice);
}

input[type="range"]::-moz-range-progress {
  height: 8px;
  border-radius: 4px;
  background: var(--sky);
}

input[type="range"]::-webkit-slider-thumb {
  width: 26px;
  height: 26px;
  margin-top: -9px;
  border: 3px solid var(--navy);
  border-radius: 50%;
  background: var(--sun);
  appearance: none;
}

input[type="range"]::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border: 3px solid var(--navy);
  border-radius: 50%;
  background: var(--sun);
}

.range-scale {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.82rem;
}

.scale-mark {
  position: absolute;
  left: 15%;
  transform: translateX(-30%);
  color: var(--blue-deep);
  font-weight: 600;
}

.field-help {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.quote {
  min-width: 0;
  padding: 34px 32px;
  background: var(--navy);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-card);
  color: var(--white);
}

.quote :focus-visible {
  outline-color: var(--sun);
  box-shadow: none;
}

.quote-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
}

.quote-title span {
  color: #aebde3;
  font-size: 0.88rem;
  font-weight: 500;
}

.quote-lines {
  margin: 20px 0 0;
}

.quote-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed rgba(174, 189, 227, 0.4);
  font-variant-numeric: tabular-nums;
}

.quote-line dt {
  color: #d6def3;
}

.quote-line dd {
  margin: 0;
  font-weight: 700;
  white-space: nowrap;
}

.quote-line.is-zero dt,
.quote-line.is-zero dd {
  color: #9aa8cc;
  font-weight: 500;
}

.quote-total {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 16px;
  margin-top: 22px;
}

.quote-total-label {
  color: #d6def3;
  font-weight: 600;
}

.quote-sum {
  color: var(--sun);
  font-size: clamp(2.3rem, 1.8rem + 1.6vw, 3rem);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.quote-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 28px;
}

.print-link {
  padding: 8px 0;
  border: 0;
  background: none;
  color: var(--white);
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.2em;
  cursor: pointer;
}

.print-link:hover {
  color: var(--sun);
}

.print-link:disabled {
  color: #9aa8cc;
  cursor: not-allowed;
}

.calc-note {
  max-width: 760px;
  margin: 28px auto 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

/* ---------- FAQ ---------- */

.faq {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr);
  align-items: start;
  gap: 48px;
  padding-block: 92px;
}

.faq-head p {
  margin-top: 18px;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq details {
  border: 2px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--white);
  transition: border-color 0.2s ease;
}

.faq details[open] {
  border-color: var(--sky);
}

.faq summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  color: var(--navy);
  font-size: 1.08rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--ice);
  color: var(--blue-deep);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.faq details[open] summary::after {
  background: var(--sky);
  color: var(--navy);
  transform: rotate(45deg);
}

.faq details p {
  padding: 0 22px 20px;
}

/* ---------- brief ---------- */

.brief {
  overflow: hidden;
  background: var(--sky);
}

.brief-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  padding-block: 80px 0;
}

.brief-main {
  padding-bottom: 80px;
}

.brief h2 {
  color: var(--navy);
}

.brief-lead {
  max-width: 34rem;
  margin-top: 18px;
  color: var(--navy);
  font-size: 1.1rem;
}

.brief-form {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

.brief-form input,
.brief-form textarea {
  border-color: var(--white);
}

.brief-form input:hover,
.brief-form textarea:hover {
  border-color: var(--navy);
}

.required,
.optional {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: var(--radius-s);
  font-size: 0.75rem;
  font-weight: 600;
  vertical-align: 0.12em;
}

.required {
  background: var(--navy);
  color: var(--white);
}

.optional {
  background: rgba(255, 255, 255, 0.6);
  color: var(--navy);
}

.brief-submit {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: 6px;
}

.brief-submit .button {
  box-shadow: 0 6px 0 rgba(19, 26, 53, 0.2);
}

.brief-submit .field-help {
  max-width: 18rem;
  margin: 0;
  color: var(--navy);
}

.brief-status {
  min-height: 1.5em;
  color: var(--navy);
  font-weight: 700;
}

.brief-side {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 8px;
}

.brief-art {
  width: min(100%, 500px);
  align-self: end;
  justify-self: center;
}

.brief-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  order: -1;
  padding: 22px 24px;
  background: var(--white);
  border-radius: var(--radius-m);
}

.brief-lists .side-title {
  margin-bottom: 8px;
  font-size: 1rem;
}

.side-title-warn {
  color: var(--warn);
}

.brief-lists ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 0.95rem;
}

/* ---------- contacts ---------- */

.contacts {
  padding-block: 88px;
}

.contacts-head {
  max-width: 760px;
}

.contacts-kicker {
  margin-bottom: 10px;
  color: var(--blue-deep);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.contact-source {
  margin-top: 16px;
  font-size: 1.05rem;
}

.contact-register {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin: 34px 0 0;
}

.contact-register div {
  min-width: 0;
  padding: 22px;
  border-top: 4px solid var(--sky);
  border-radius: var(--radius-s);
  background: var(--ice-soft);
}

.contact-register dt {
  color: var(--blue-deep);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.contact-register dd {
  margin: 8px 0 0;
  color: var(--navy);
  overflow-wrap: anywhere;
}

.contact-register a {
  font-weight: 700;
}

.contacts-note {
  margin-top: 22px;
}

/* ---------- footer ---------- */

.site-footer {
  padding-top: 56px;
  border-top: 3px solid var(--ice);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  padding-bottom: 40px;
}

.footer-title {
  margin-bottom: 14px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-col ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
}

.footer-col a:hover {
  color: var(--blue);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px 28px;
  border-top: 1px solid var(--navy);
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- responsive ---------- */

@media (max-width: 1100px) {
  .header-note {
    display: none;
  }

  .header-bar {
    grid-template-columns: 1fr auto;
  }

  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px 32px;
  }

  .step:nth-child(n) {
    margin-top: 0;
  }

  .steps-arcs {
    display: none;
  }

  .plans {
    gap: 20px;
  }

  .plan {
    padding-inline: 22px;
  }
}

@media (max-width: 900px) {
  body {
    font-size: 16px;
  }

  .header-actions {
    display: none;
  }

  .header-bar {
    padding-block: 14px;
  }

  .brand-name {
    font-size: 1.45rem;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .js .menu-toggle {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    padding: 0;
    border: 0;
    border-radius: var(--radius-s);
    background: var(--sky);
    color: var(--navy);
    cursor: pointer;
  }

  .menu-icon,
  .menu-icon::before,
  .menu-icon::after {
    display: block;
    width: 26px;
    height: 3px;
    border-radius: 2px;
    background: var(--navy);
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .menu-icon {
    position: relative;
  }

  .menu-icon::before,
  .menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
  }

  .menu-icon::before {
    top: -8px;
  }

  .menu-icon::after {
    top: 8px;
  }

  .menu-toggle[aria-expanded="true"] .menu-icon {
    background: transparent;
  }

  .menu-toggle[aria-expanded="true"] .menu-icon::before {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] .menu-icon::after {
    transform: translateY(-8px) rotate(-45deg);
  }

  .nav-row {
    justify-content: flex-start;
    gap: 2px 18px;
    padding-block: 8px 10px;
  }

  .site-nav a {
    font-size: 1rem;
  }

  .site-nav .nav-cta {
    display: inline;
    color: var(--blue);
    font-weight: 700;
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav.is-open {
    display: block;
    border-bottom: 3px solid var(--ice);
  }

  .js .site-nav.is-open .nav-row {
    display: grid;
    gap: 0;
    padding-block: 4px 16px;
  }

  .js .site-nav.is-open a {
    padding-block: 12px;
    border-bottom: 1px solid var(--line);
    font-size: 1.1rem;
  }

  .js .site-nav.is-open .nav-cta {
    margin-top: 14px;
    padding: 14px;
    border: 0;
    border-radius: var(--radius-s);
    background: var(--sun);
    color: var(--navy);
    text-align: center;
  }

  .hero {
    padding-top: 8px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .hero-text {
    padding-bottom: 8px;
    text-align: center;
  }

  .crumbs {
    justify-content: center;
    margin-bottom: 22px;
  }

  .hero h1,
  .lead {
    margin-inline: auto;
  }

  .actions {
    justify-content: center;
  }

  .hero-art {
    width: min(100%, 560px);
    margin-inline: auto;
  }

  .perks-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-block: 30px;
  }

  .services {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding-block: 56px 64px;
  }

  .service-panel {
    position: static;
  }

  .facts-list {
    gap: 36px;
    padding-block: 48px;
  }

  .pricing {
    padding-block: 64px 56px;
  }

  .plans {
    grid-template-columns: minmax(0, 1fr);
    max-width: 460px;
    margin-inline: auto;
  }

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

  .offer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .offer-text {
    padding-bottom: 0;
  }

  .offer-art {
    width: min(100%, 460px);
    margin-inline: auto;
  }

  .process-frame {
    padding: 44px 28px 48px;
  }

  .calc {
    padding-block: 64px;
  }

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

  .faq {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    padding-block: 64px;
  }

  .brief-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 60px;
  }

  .brief-main {
    padding-bottom: 0;
  }

  .brief-side {
    order: 0;
  }

  .brief-lists {
    order: 0;
    margin-bottom: 40px;
  }

  .brief-art {
    width: min(100%, 420px);
  }

  .contacts {
    padding-block: 64px;
  }

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

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: calc(100% - 32px);
  }

  .perks-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .perks-list li {
    grid-template-columns: 52px minmax(0, 1fr);
    align-items: center;
    font-size: 1.02rem;
  }

  .perk-icon {
    width: 52px;
    height: 52px;
  }

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

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

  .steps {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .step-num {
    font-size: 4rem;
  }

  .process {
    padding-block: 32px;
  }

  .process-frame {
    padding: 36px 20px 40px;
  }

  .calc-controls {
    padding: 24px 20px;
  }

  .quote {
    padding: 28px 22px;
  }

  .formula,
  .pricing-side {
    padding: 24px 20px;
  }

  .plan {
    padding: 32px 20px 28px;
  }

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

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

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

  .button {
    padding-inline: 22px;
  }
}

@media (max-width: 380px) {
  .brand-sub {
    font-size: 0.85rem;
  }

  .hero-price strong {
    font-size: 2rem;
  }

  .quote-line {
    font-size: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- print: only the calculation ---------- */

@media print {
  body {
    background: #fff;
    color: #111;
    font-size: 12pt;
  }

  .skip-link,
  .site-header,
  main > section:not(#calculator),
  .site-footer,
  .calc .section-head,
  .calc-controls,
  .calc-note,
  .quote-actions,
  noscript {
    display: none !important;
  }

  .calc {
    padding: 0;
    background: #fff;
  }

  .wrap {
    width: 100%;
  }

  .calc-grid {
    display: block;
  }

  .quote {
    padding: 0;
    background: #fff;
    box-shadow: none;
    color: #111;
  }

  .quote::before {
    content: "Верный счёт · предварительная оценка сопровождения";
    display: block;
    margin-bottom: 18pt;
    font-size: 20pt;
    font-weight: 700;
  }

  .quote::after {
    content: attr(data-print-summary);
    display: block;
    margin-top: 18pt;
    font-size: 10pt;
    white-space: pre-line;
  }

  .quote-title span,
  .quote-line dt,
  .quote-line.is-zero dt,
  .quote-line.is-zero dd,
  .quote-total-label,
  .quote-sum {
    color: #111;
  }

  .quote-line {
    border-bottom: 1px solid #999;
  }
}

/* Match the small line icons to the mint palette. */
img[src$=".svg"] { filter: hue-rotate(-35deg); }