:root {
  --color-ink: #1c1c1c;
  --color-ink-soft: #5c5c5c;
  --color-milk: #f7f6f3;
  --color-milk-deep: #f1efea;
  --color-surface: #ffffff;
  --color-border: #e6e3dc;
  --color-brand: #0a75ac;
  --color-brand-dark: #0052cc;
  --shadow-soft: 0 10px 24px rgba(28, 28, 28, 0.08), 0 2px 6px rgba(28, 28, 28, 0.04);
  --shadow-soft-hover: 0 14px 28px rgba(28, 28, 28, 0.12), 0 3px 8px rgba(28, 28, 28, 0.05);
  --font-display: "Geologica", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --pad: clamp(1.25rem, 4vw, 3rem);
  --max: 1120px;
  --radius-pill: 999px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-milk);
  overflow-x: hidden;
}

a {
  color: var(--color-brand-dark);
  text-decoration: none;
}

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

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0.95rem var(--pad);
  background: rgba(247, 246, 243, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(230, 227, 220, 0.7);
}

.top__brand img {
  display: block;
  height: 46px;
  width: auto;
}

.top__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 1.05rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  background: linear-gradient(180deg, #ffffff 0%, #f3f1ec 100%);
  border: 1px solid rgba(255, 255, 255, 0.85);
  box-shadow: var(--shadow-soft);
  transition: transform 0.15s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.nav-pill:hover {
  color: var(--color-ink);
  box-shadow: var(--shadow-soft-hover);
  transform: translateY(-1px);
}

.nav-pill--accent {
  color: #fff;
  background: linear-gradient(180deg, #3a3a3a 0%, #1c1c1c 100%);
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-pill--accent:hover {
  color: #fff;
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3.2rem, 10vh, 6.5rem) var(--pad) 3.25rem;
  animation: rise 0.85s ease-out both;
}

.eyebrow {
  margin: 0 0 1rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.headline {
  margin: 0 0 1.35rem;
  max-width: min(100%, 52rem);
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.8vw, 2.45rem);
  font-weight: 500;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--color-ink-soft);
}

.headline__line {
  display: block;
}

.headline em {
  font-style: normal;
  font-weight: 700;
  color: var(--color-ink);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  background: linear-gradient(
    180deg,
    transparent 62%,
    rgba(10, 117, 172, 0.14) 62%,
    rgba(10, 117, 172, 0.14) 92%,
    transparent 92%
  );
}

.lead {
  margin: 0;
  max-width: 38rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-ink-soft);
  font-weight: 500;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1rem;
  margin-top: 2.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.55rem;
  border-radius: var(--radius-pill);
  font-weight: 500;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  box-shadow: var(--shadow-soft);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft-hover);
}

.btn--primary {
  color: #fff;
  background: linear-gradient(180deg, #3a3a3a 0%, #1c1c1c 100%);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    var(--shadow-soft);
}

.btn--primary:hover {
  color: #fff;
  filter: brightness(1.05);
}

.btn--secondary {
  color: var(--color-ink-soft);
  background: linear-gradient(180deg, #ffffff 0%, #f2f0eb 100%);
  border-color: rgba(255, 255, 255, 0.9);
}

.btn--secondary:hover {
  color: var(--color-ink);
}

.block {
  max-width: var(--max);
  margin: 0 auto;
  padding: 3.4rem var(--pad);
}

.block__label {
  margin: 0 0 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-weight: 700;
}

.block__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink);
}

.block__lead {
  margin: 0 0 2rem;
  max-width: 42rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.case-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.case {
  padding: 1.25rem 1.35rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
  box-shadow: 0 8px 20px rgba(28, 28, 28, 0.04);
}

.case h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
}

.case p {
  margin: 0 0 0.75rem;
  color: var(--color-ink-soft);
  line-height: 1.55;
  max-width: 44rem;
}

.more {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-brand-dark);
}

.spine {
  display: grid;
  gap: 0.85rem;
}

.spine__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
}

.spine__n {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius-pill);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  background: linear-gradient(180deg, #3a3a3a 0%, #1c1c1c 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.spine__item h3 {
  margin: 0.2rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.08rem;
}

.spine__item p {
  margin: 0;
  color: var(--color-ink-soft);
  line-height: 1.55;
  max-width: 42rem;
}

.practice {
  margin-top: 1.75rem;
  padding: 1.35rem 1.4rem 1.45rem;
  background: var(--color-milk-deep);
  border: 1px solid var(--color-border);
  border-radius: 18px;
}

.practice__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
}

.practice__lead {
  margin: 0 0 1rem;
  color: var(--color-ink-soft);
  line-height: 1.55;
  max-width: 40rem;
}

.practice__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.practice__list li {
  display: grid;
  gap: 0.2rem;
}

.practice__list strong {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-ink);
}

.practice__list span {
  color: var(--color-ink-soft);
  line-height: 1.5;
  max-width: 40rem;
}

.goals {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.goals li {
  display: grid;
  gap: 0.3rem;
  padding: 1.15rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 18px;
}

.goals strong {
  font-family: var(--font-display);
  font-size: 1.06rem;
  color: var(--color-ink);
}

.goals span {
  color: var(--color-ink-soft);
  line-height: 1.55;
}

.block--feedback {
  padding-bottom: 2rem;
}

.block--agents {
  padding-top: 0;
  padding-bottom: 5rem;
}

.agents-panel {
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-surface);
  overflow: hidden;
}

.agents-panel__summary {
  list-style: none;
  cursor: pointer;
  padding: 1.35rem 1.4rem;
  display: grid;
  gap: 0.35rem;
}

.agents-panel__summary::-webkit-details-marker {
  display: none;
}

.agents-panel__title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.25;
}

.agents-panel__hint {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

.agents-panel[open] .agents-panel__hint::after {
  content: " · скрыть";
}

.agents-panel__body {
  padding: 0 1.4rem 1.6rem;
  border-top: 1px solid var(--color-border);
}

.agents-points {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.agents-points li {
  display: grid;
  gap: 0.2rem;
}

.agents-points strong {
  font-family: var(--font-display);
  color: var(--color-ink);
}

.agents-points span,
.agents-form-lead {
  color: var(--color-ink-soft);
  line-height: 1.55;
}

.agents-form-title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.agents-form-lead {
  margin: 0 0 1rem;
}

.agents-key {
  margin: 0;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--color-milk-deep);
  border: 1px solid var(--color-border);
  font-size: 0.82rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--color-ink);
}

.agents-machine {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: 16px;
  background: var(--color-milk-deep);
  border: 1px dashed var(--color-border);
}

.agents-machine__label {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.agents-machine__pre {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
  white-space: pre-wrap;
  overflow-x: auto;
}

.form {
  max-width: 36rem;
  display: grid;
  gap: 1.1rem;
  padding: 1.6rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 22px;
  box-shadow: 0 10px 28px rgba(28, 28, 28, 0.05);
}

.field {
  display: grid;
  gap: 0.28rem;
}

.field__name {
  font-weight: 600;
  font-size: 0.95rem;
}

.field__name em {
  font-style: normal;
  font-weight: 500;
  color: var(--color-ink-soft);
}

.field__hint {
  font-size: 0.8rem;
  color: var(--color-ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  margin-top: 0.15rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font: inherit;
  color: var(--color-ink);
  background: #fff;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(28, 28, 28, 0.25);
  outline-offset: 1px;
}

.form__note {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
}

.check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.65rem;
  align-items: start;
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--color-ink-soft);
  cursor: pointer;
}

.check input {
  margin-top: 0.2rem;
  width: 1.05rem;
  height: 1.05rem;
  accent-color: var(--color-ink);
  flex-shrink: 0;
}

.check a {
  font-weight: 600;
}

.form__status {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
}

.form__status.is-ok {
  color: #0f7a45;
}

.form__status.is-err {
  color: #b42318;
}

.legal {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem var(--pad) 4rem;
}

.legal__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  line-height: 1.2;
}

.legal__meta {
  margin: 0 0 1.75rem;
  color: var(--color-ink-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}

.legal h2 {
  margin: 1.6rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.legal p,
.legal li {
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.legal ul {
  padding-left: 1.2rem;
}

.legal__back {
  margin-top: 2.5rem;
}

.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem var(--pad) 3rem;
  display: grid;
  gap: 1.35rem;
  color: var(--color-ink-soft);
  font-size: 0.88rem;
  border-top: 1px solid var(--color-border);
}

.foot__brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
}

.foot__brand img {
  display: block;
  height: 28px;
  width: auto;
  opacity: 0.9;
}

.foot__tag {
  margin: 0;
}

.foot__legal {
  display: grid;
  gap: 0.55rem;
  max-width: 46rem;
  line-height: 1.5;
}

.foot__legal p {
  margin: 0;
}

.foot__legal-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--color-ink);
}

.foot__docs {
  margin-top: 0.25rem;
}

.foot__docs a {
  font-weight: 600;
}

.foot__note {
  margin: 0;
  max-width: 46rem;
  font-size: 0.72rem;
  line-height: 1.45;
  color: #9a968c;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .top__nav {
    display: none;
  }

  .form {
    padding: 1.15rem;
  }
}