:root {
  --ink: #102a43;
  --ink-2: #1f3a55;
  --muted: #60758a;
  --line: #d8e2ec;
  --paper: #ffffff;
  --wash: #f4f8fb;
  --wash-2: #eaf3f8;
  --cyan: #17c9c3;
  --cyan-2: #5eead4;
  --blue: #2563eb;
  --blue-soft: #dcecff;
  --danger: #c24141;
  --success: #147d64;
  --shadow: 0 24px 70px rgba(16, 42, 67, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 110px;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--wash);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Roboto, Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.topbar {
  position: fixed;
  z-index: 20;
  top: 14px;
  left: 50%;
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  align-items: center;
  gap: 24px;
  width: min(1160px, calc(100% - 32px));
  min-height: 68px;
  padding: 12px 16px;
  border: 1px solid rgba(216, 226, 236, 0.82);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 46px rgba(16, 42, 67, 0.14);
  transform: translateX(-50%);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand img {
  width: 174px;
  height: auto;
}

.nav {
  display: flex;
  justify-content: center;
  min-width: 0;
  gap: 22px;
}

.nav a,
.footer nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
}

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

.topbar__cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  text-decoration: none;
  font-weight: 800;
}

.topbar__cta {
  padding: 0 16px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.9rem;
}

.mobile-sticky-cta {
  display: none;
}

.hero {
  position: relative;
  min-height: 790px;
  overflow: hidden;
  color: var(--paper);
}

.hero__image,
.hero__shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero__image {
  object-fit: cover;
}

.hero__shade {
  background:
    linear-gradient(90deg, rgba(7, 22, 38, 0.94) 0%, rgba(7, 22, 38, 0.72) 42%, rgba(7, 22, 38, 0.1) 76%),
    linear-gradient(180deg, rgba(7, 22, 38, 0.16) 0%, rgba(7, 22, 38, 0.86) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 790px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 156px 0 58px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--cyan-2);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 790px;
  margin-bottom: 22px;
  font-size: 4.1rem;
  line-height: 1.02;
  font-weight: 900;
  text-wrap: balance;
}

h2 {
  margin-bottom: 16px;
  font-size: 2.55rem;
  line-height: 1.08;
  font-weight: 900;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
  line-height: 1.22;
}

.hero__lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
  font-weight: 600;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.btn {
  padding: 0 22px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--cyan-2), #38bdf8);
  color: #052236;
  box-shadow: 0 18px 36px rgba(56, 189, 248, 0.22);
}

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: var(--paper);
}

.btn--mail {
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--blue);
}

.is-hidden {
  display: none;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 860px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(14px);
}

.hero__facts div {
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
}

.hero__facts dt {
  margin-bottom: 6px;
  color: var(--paper);
  font-size: 1.3rem;
  font-weight: 900;
}

.hero__facts dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.9rem;
  font-weight: 600;
}

.section {
  padding: 96px 0;
}

.split {
  background: var(--paper);
}

.split__grid,
.media__grid,
.brief-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 48px;
  align-items: start;
}

.section-intro p:not(.kicker),
.media__copy p,
.brief-copy p,
.workflow p,
.fleet-card p {
  color: var(--muted);
  font-weight: 600;
}

.section-intro--center {
  max-width: 740px;
  margin: 0 auto 34px;
  text-align: center;
}

.service-panel {
  display: grid;
  gap: 14px;
}

.service-panel article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 18px;
  min-height: 130px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
}

.service-panel span,
.steps span {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
}

.service-panel span {
  grid-row: 1 / span 2;
}

.service-panel h3,
.service-panel p {
  grid-column: 2;
}

.service-panel p,
.steps p {
  margin-bottom: 0;
}

.media {
  background: linear-gradient(180deg, var(--wash), var(--wash-2));
}

.media__grid {
  align-items: center;
}

.media__visual {
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.media__visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.media-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.media-tags span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink-2);
  font-size: 0.88rem;
  font-weight: 800;
}

.fleet {
  background: var(--paper);
}

.fleet__cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.fleet-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  box-shadow: 0 18px 46px rgba(16, 42, 67, 0.08);
}

.fleet-card--accent {
  border-color: rgba(37, 99, 235, 0.32);
  background: linear-gradient(180deg, #f8fbff, #eff7ff);
}

.fleet-card--model {
  border-color: rgba(23, 201, 195, 0.3);
}

.fleet-card__top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
}

.fleet-card__top span {
  padding: 7px 10px;
  border-radius: var(--radius);
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.fleet-card__top strong {
  font-size: 1.24rem;
  text-align: right;
}

.fleet-card .link-button {
  margin-top: auto;
}

.price-list {
  display: grid;
  gap: 0;
  margin: 0 0 18px;
  border-top: 1px solid var(--line);
}

.price-list div {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.price-list dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.price-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
  text-align: right;
}

.link-button {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
  font-weight: 900;
}

.link-button:hover {
  border-color: var(--cyan);
  color: var(--blue);
}

.requisites {
  background: var(--wash);
}

.requisites--bottom {
  padding-top: 54px;
  padding-bottom: 54px;
}

.requisites-details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 16px 44px rgba(16, 42, 67, 0.08);
}

.requisites-details summary {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 18px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--ink);
  font-weight: 900;
  list-style: none;
}

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

.requisites-details summary::after {
  content: "+";
  margin-left: 10px;
  color: var(--blue);
  font-size: 1.25rem;
  line-height: 1;
}

.requisites-details[open] summary {
  border-bottom: 1px solid var(--line);
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}

.requisites-details[open] summary::after {
  content: "–";
}

.requisites__grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 42px;
  align-items: start;
  padding: 28px;
}

.requisites-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: 0 18px 46px rgba(16, 42, 67, 0.08);
}

.requisites-card div {
  min-height: 92px;
  padding: 18px;
  background: var(--paper);
}

.requisites-card span,
.requisites-card strong {
  display: block;
}

.requisites-card span {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.requisites-card strong {
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.35;
}

.workflow {
  background: var(--ink);
  color: var(--paper);
}

.workflow__head {
  max-width: 760px;
  margin-bottom: 32px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.steps article {
  min-height: 224px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
}

.steps span {
  margin-bottom: 26px;
  background: rgba(94, 234, 212, 0.14);
  color: var(--cyan-2);
}

.steps p {
  color: rgba(255, 255, 255, 0.68);
}

.brief-section {
  background: var(--wash);
}

.brief-copy {
  position: sticky;
  top: 118px;
}

.mail-card {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 16px 44px rgba(16, 42, 67, 0.08);
}

.mail-card span,
.mail-card a,
.mail-card small {
  display: block;
}

.mail-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.mail-card a {
  margin: 8px 0 6px;
  color: var(--blue);
  font-size: 1.45rem;
  font-weight: 900;
  text-decoration: none;
}

.mail-card small {
  color: var(--muted);
}

.brief-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.compact-form {
  width: min(100%, 460px);
  justify-self: end;
  padding: 16px;
}

.compact-form__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.compact-form__top span {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.compact-form__top strong {
  color: var(--blue);
  font-size: 1.15rem;
}

.switch-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0 0 10px;
  padding: 0;
  border: 0;
}

.switch-choice legend {
  grid-column: 1 / -1;
  margin-bottom: 2px;
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 900;
}

.switch-choice label {
  cursor: pointer;
}

.switch-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.switch-choice span {
  display: grid;
  min-height: 38px;
  place-items: center;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 900;
}

.switch-choice input:checked + span {
  border-color: rgba(23, 201, 195, 0.42);
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.24), rgba(56, 189, 248, 0.18));
  color: var(--ink);
}

.compact-pair {
  display: grid;
  grid-template-columns: 0.7fr 1fr;
  gap: 8px;
}

.compact-form label {
  display: block;
  margin-bottom: 8px;
}

.compact-form label span {
  margin-bottom: 5px;
  font-size: 0.8rem;
}

.compact-form input,
.compact-form select {
  height: 40px;
  padding-inline: 11px;
}

.compact-form textarea {
  min-height: 58px;
  padding: 10px 11px;
}

.compact-agree {
  margin-top: 8px;
}

.compact-footer {
  margin-top: 10px;
}

.compact-footer .btn {
  min-height: 40px;
  padding-inline: 16px;
}

.compact-footer p {
  flex-basis: 100%;
  font-size: 0.82rem;
}

.service-choice {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
  border: 0;
}

.service-choice legend {
  grid-column: 1 / -1;
  margin-bottom: 8px;
  color: var(--ink);
  font-weight: 900;
}

.service-choice label {
  cursor: pointer;
}

.service-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.service-choice span {
  display: grid;
  min-height: 54px;
  place-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--wash);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 900;
  text-align: center;
}

.service-choice input:checked + span {
  border-color: rgba(37, 99, 235, 0.42);
  background: var(--blue-soft);
  color: var(--ink);
  box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.08);
}

.brief-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-2);
  font-size: 0.86rem;
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdff;
  color: var(--ink);
  outline: none;
}

input,
select {
  height: 50px;
  padding: 0 13px;
}

textarea {
  min-height: 116px;
  padding: 12px 13px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(23, 201, 195, 0.18);
}

.brief-grid__wide {
  grid-column: 1 / -1;
}

.agree {
  display: flex;
  gap: 10px;
  align-items: start;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.agree input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--cyan);
}

.form-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
}

.form-footer p {
  flex: 1 1 220px;
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.form-footer p.is-error {
  color: var(--danger);
}

.form-footer p.is-success {
  color: var(--success);
}

.footer {
  padding: 36px 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: start;
}

.footer img {
  width: 174px;
  margin-bottom: 10px;
}

.footer p {
  max-width: 420px;
  margin-bottom: 0;
  color: var(--muted);
  font-weight: 600;
}

.footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

@media (max-width: 1020px) {
  .topbar {
    grid-template-columns: 1fr max-content;
  }

  .nav {
    display: none;
  }

  .split__grid,
  .media__grid,
  .requisites__grid,
  .brief-layout {
    grid-template-columns: 1fr;
  }

  .media__visual {
    order: 2;
  }

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

  .brief-copy {
    position: static;
  }

  .compact-form {
    justify-self: stretch;
    width: 100%;
  }
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 28px, 1160px);
  }

  .topbar {
    top: 0;
    width: 100%;
    min-height: 64px;
    border-radius: 0;
    border-inline: 0;
    border-top: 0;
    padding: 10px 14px;
  }

  body {
    padding-bottom: 72px;
  }

  .mobile-sticky-cta {
    position: fixed;
    z-index: 80;
    right: 14px;
    bottom: 12px;
    left: 14px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    padding: 8px;
    border: 1px solid rgba(216, 226, 236, 0.9);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 16px 38px rgba(16, 42, 67, 0.18);
    backdrop-filter: blur(16px);
  }

  .mobile-sticky-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 12px;
    border-radius: var(--radius);
    background: var(--ink);
    color: var(--paper);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 900;
  }

  .mobile-sticky-cta a:last-child {
    border: 1px solid var(--line);
    background: var(--paper);
    color: var(--blue);
  }

  .brand img {
    width: 138px;
  }

  .topbar__cta {
    min-height: 40px;
    padding: 0 12px;
    font-size: 0.82rem;
  }

  .hero,
  .hero__content {
    min-height: 760px;
  }

  .hero__content {
    padding: 104px 0 42px;
  }

  .hero__shade {
    background:
      linear-gradient(180deg, rgba(7, 22, 38, 0.86) 0%, rgba(7, 22, 38, 0.62) 42%, rgba(7, 22, 38, 0.92) 100%),
      linear-gradient(90deg, rgba(7, 22, 38, 0.72), rgba(7, 22, 38, 0.08));
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero__lead {
    font-size: 1rem;
  }

  .btn,
  .topbar__cta,
  .hero__actions a {
    width: 100%;
  }

  .topbar__cta {
    width: auto;
  }

  .hero__facts,
  .fleet__cards,
  .steps,
  .requisites-card,
  .brief-grid,
  .service-choice,
  .footer__grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 68px 0;
  }

  .service-panel article {
    grid-template-columns: 1fr;
  }

  .brief-form {
    padding: 18px;
  }

  .compact-pair {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .price-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .price-list dd {
    text-align: left;
  }

  .mail-card a {
    font-size: 1.18rem;
  }

  .footer nav {
    justify-content: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}