:root {
  --bg: #f5f5f3;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #5f5f5a;
  --line: #e7e7e2;
  --soft: #f0f0ec;
  --accent: #ff4d00;
  --dark: #111111;
  --dark-2: #1c1c1c;
  --on-dark: #f6f6f4;
  --on-dark-muted: #c8c8c2;
  --font: "Onest", system-ui, sans-serif;
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 80px;
  --wrap: 1120px;
  --radius: 20px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(720px 420px at 100% 0%, #ffe7dc 0%, transparent 58%),
    var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.5;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  background: #ffd3c2;
  color: var(--ink);
}

.skip {
  position: absolute;
  left: var(--s4);
  top: 0;
  transform: translateY(-120%);
  background: var(--ink);
  color: var(--on-dark);
  padding: var(--s2) var(--s3);
  border-radius: 10px;
  z-index: 20;
}

.skip:focus {
  transform: none;
  top: var(--s3);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
}

.head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--s5);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.logo i {
  width: 10px;
  height: 10px;
  border-radius: 99px;
  background: var(--accent);
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s2);
}

.nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
}

.nav a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.7);
}

.nav .nav-cta {
  background: var(--ink);
  color: var(--on-dark);
  margin-left: var(--s2);
}

.nav .nav-cta:hover {
  background: #2a2a2a;
  color: var(--on-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: var(--s7);
  align-items: center;
  padding: var(--s7) 0 var(--s8);
}

.eyebrow {
  margin: 0 0 var(--s4);
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 500;
}

h1,
h2,
h3 {
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.02;
}

h1 {
  margin: 0;
  font-size: clamp(3.2rem, 6.4vw, 5.6rem);
  max-width: 9ch;
}

.lead {
  margin: var(--s5) 0 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: 1.15rem;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin: var(--s6) 0 0;
  padding: 0;
  list-style: none;
}

.pills li {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
}

#zayavka,
#uslugi,
#kak {
  scroll-margin-top: 88px;
}

.panel {
  background: var(--dark);
  color: var(--on-dark);
  border-radius: 28px;
  padding: var(--s6);
  box-shadow: 0 24px 60px rgba(17, 17, 17, 0.16);
}

.panel h2 {
  margin: 0;
  font-size: 1.7rem;
}

.panel .intro {
  margin: var(--s2) 0 var(--s5);
  color: var(--on-dark-muted);
  font-size: 0.98rem;
}

.classes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s2);
  margin-bottom: var(--s4);
}

.class-opt {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 1px solid #3a3a3a;
  border-radius: 16px;
  padding: 12px 14px;
  cursor: pointer;
  min-height: 72px;
}

.class-opt input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.class-opt span {
  font-weight: 600;
}

.class-opt small {
  color: var(--on-dark-muted);
}

.class-opt:has(input:checked) {
  background: var(--on-dark);
  color: var(--ink);
  border-color: var(--on-dark);
}

.class-opt:has(input:checked) small {
  color: #5f5f5a;
}

.fields {
  display: grid;
  gap: var(--s3);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field span {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--on-dark-muted);
}

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s3);
}

input,
textarea {
  width: 100%;
  border: 0;
  background: var(--dark-2);
  color: var(--on-dark);
  font: 500 1rem/1.4 var(--font);
  border-radius: 14px;
  padding: 14px 16px;
  min-height: 48px;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: #8d8d86;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: var(--on-dark);
  color: var(--ink);
  font: 600 1rem/1 var(--font);
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  background: #ffffff;
}

.btn-block {
  width: 100%;
  margin-top: var(--s4);
}

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

.price {
  margin: var(--s4) 0 0;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.note,
.status {
  margin: var(--s3) 0 0;
  color: var(--on-dark-muted);
  font-size: 0.9rem;
}

.status {
  padding: var(--s3) var(--s4);
  border-radius: 14px;
  background: #242424;
  color: var(--on-dark);
}

.section {
  padding: 0 0 var(--s8);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: var(--s5);
  margin-bottom: var(--s5);
}

.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.8rem);
}

.section-head p {
  margin: 0;
  max-width: 22rem;
  color: var(--muted);
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s3);
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s5);
  min-height: 180px;
}

.card svg {
  width: 28px;
  height: 28px;
  margin-bottom: var(--s4);
}

.card h3 {
  margin: 0 0 var(--s2);
  font-size: 1.35rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  max-width: 36rem;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--s5);
}

.steps span {
  display: block;
  margin-bottom: var(--s4);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: -0.04em;
}

.steps h3 {
  margin: 0 0 var(--s2);
  font-size: 1.25rem;
}

.steps p {
  margin: 0;
  color: var(--muted);
}

.cargo {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.cargo li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 16px;
  font-weight: 500;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--s5) 0 var(--s6);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .hero,
  .cards,
  .steps,
  .row-2,
  .section-head,
  .head {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: stretch;
  }

  .head {
    align-items: flex-start;
    padding: var(--s3) 0;
    gap: var(--s3);
  }

  .nav {
    flex-wrap: wrap;
    gap: var(--s1);
  }

  .nav .nav-cta {
    margin-left: 0;
  }

  h1 {
    max-width: none;
    font-size: clamp(2.7rem, 12vw, 3.6rem);
  }

  .hero {
    gap: var(--s6);
    padding-top: var(--s6);
  }

  .panel {
    padding: var(--s5);
  }
}

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