:root {
  color-scheme: dark;
  --font-sans: "Inter", "Segoe UI", sans-serif;
  --container: 1160px;
  --measure: 66ch;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 88px;
  --space-10: 120px;
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 30px;
  --border: 1px solid rgba(255, 255, 255, 0.08);
  --border-strong: 1px solid rgba(255, 255, 255, 0.14);
  --shadow-soft: 0 18px 48px rgba(0, 0, 0, 0.18);
  --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.28);
  --fs-caption: 12px;
  --fs-small: 14px;
  --fs-body: 16px;
  --fs-lead: clamp(18px, 1.6vw, 21px);
  --fs-h3: clamp(20px, 1.8vw, 24px);
  --fs-h2: clamp(30px, 3.8vw, 46px);
  --fs-h1: clamp(42px, 6vw, 68px);
  --lh-tight: 1.03;
  --lh-heading: 1.14;
  --lh-body: 1.65;
  --lh-relaxed: 1.75;
  --bg: #09111c;
  --bg-soft: #0d1626;
  --surface: rgba(14, 22, 37, 0.84);
  --surface-strong: rgba(16, 26, 42, 0.96);
  --surface-soft: rgba(255, 255, 255, 0.03);
  --text: #f4f7ff;
  --text-muted: #a7b2c6;
  --text-soft: #7f8ea7;
  --accent: #79a6ff;
  --accent-strong: #d7e5ff;
  --accent-soft: rgba(121, 166, 255, 0.14);
  --focus: rgba(121, 166, 255, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(89, 131, 255, 0.18), transparent 26%),
    radial-gradient(circle at 82% 12%, rgba(76, 189, 255, 0.1), transparent 18%),
    linear-gradient(180deg, #09111c 0%, #0a1220 40%, #09111b 100%);
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  appearance: none;
}

a {
  color: inherit;
  text-decoration: none;
}

a,
button,
input,
textarea {
  -webkit-tap-highlight-color: transparent;
}

.site-shell {
  position: relative;
  overflow: clip;
}

.site-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.024) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.024) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  pointer-events: none;
}

.container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  padding: 18px 0;
  backdrop-filter: blur(20px);
  background: rgba(9, 17, 28, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header__inner,
.site-footer__inner,
.section__head,
.contacts__grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  font-weight: 650;
}

.brand__mark {
  width: 36px;
  height: 36px;
}

.brand__name {
  font-size: 18px;
  letter-spacing: -0.02em;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  color: var(--text-muted);
  font-size: var(--fs-small);
}

.site-nav a,
.header-cta,
.button,
.contact-card a,
.form-note a {
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.site-nav a:hover,
.contact-card a:hover,
.form-note a:hover {
  color: var(--text);
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: var(--border-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  font-size: var(--fs-small);
  font-weight: 600;
}

.header-cta:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero {
  padding: var(--space-8) 0 var(--space-10);
}

.hero__layout {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(320px, 0.72fr);
  gap: var(--space-6);
  align-items: stretch;
}

.hero__content,
.hero__panel,
.segment-card,
.problem-card,
.service-card,
.case-card,
.process-card,
.reason-card,
.faq-item,
.contact-card,
.lead-form,
.cta__inner {
  position: relative;
  min-height: 100%;
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-card);
}

.hero__content,
.hero__panel,
.cta__inner,
.contact-card,
.lead-form {
  backdrop-filter: blur(18px);
}

.hero__content,
.hero__panel,
.segment-card,
.problem-card,
.service-card,
.case-card,
.process-card,
.reason-card,
.faq-item,
.contact-card,
.lead-form,
.cta__inner {
  padding: clamp(24px, 2vw, 40px);
}

.hero__content::before,
.hero__panel::before,
.cta__inner::before,
.lead-form::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 38%);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--accent);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  letter-spacing: -0.04em;
}

h1 {
  max-width: 11ch;
  margin-bottom: var(--space-5);
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
}

h2 {
  max-width: 15ch;
  margin-bottom: 0;
  font-size: var(--fs-h2);
  line-height: var(--lh-heading);
}

h3 {
  margin-bottom: var(--space-3);
  font-size: var(--fs-h3);
  line-height: var(--lh-heading);
}

p,
li,
label,
input,
textarea,
.section__lead {
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

p,
li,
.section__lead,
.form-note {
  color: var(--text-muted);
}

.hero__lead,
.contacts__lead {
  max-width: 34ch;
  color: #d5deef;
  font-size: var(--fs-lead);
  line-height: 1.58;
}

.hero__lead {
  margin-bottom: var(--space-6);
}

.hero__microcopy,
.form-note,
.site-footer__text,
.case-card__label,
.contact-card span:first-child,
.contact-card span:last-child,
.hero__facts span,
.hero__panel-text,
.cta__benefits li {
  font-size: var(--fs-small);
  line-height: 1.58;
}

.hero__microcopy {
  max-width: 54ch;
  margin: 0 0 var(--space-5);
  color: var(--text-soft);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  cursor: pointer;
}

.button:hover,
.button:focus-visible,
.header-cta:focus-visible,
.site-nav a:focus-visible,
.contact-card a:focus-visible,
.form-note a:focus-visible {
  transform: translateY(-1px);
}

.button--primary {
  color: #09111b;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
  box-shadow: 0 14px 36px rgba(121, 166, 255, 0.24);
}

.button--primary:hover {
  box-shadow: 0 20px 42px rgba(121, 166, 255, 0.28);
}

.button--secondary,
.button--ghost {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.04);
}

.button--secondary:hover,
.button--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.button:focus-visible,
.header-cta:focus-visible,
.site-nav a:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px var(--focus);
}

.hero__actions,
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: var(--space-4);
}

.hero__actions {
  margin-bottom: var(--space-4);
}

.hero__facts,
.hero__panel-list,
.cta__benefits {
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.hero__facts li {
  padding-top: var(--space-4);
  border-top: var(--border);
}

.hero__facts strong,
.hero__panel-label,
.site-footer__brand,
.case-block strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero__panel {
  background: linear-gradient(180deg, rgba(15, 22, 36, 0.96), rgba(14, 23, 39, 0.88));
}

.hero__panel-block + .hero__panel-block {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: var(--border);
}

.hero__panel-list li + li {
  margin-top: var(--space-3);
}

.hero__panel-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__panel-badges span,
.cta__benefits li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border: var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.section {
  padding: var(--space-9) 0;
}

.cases,
.process,
.why-us,
.faq,
.contacts {
  padding-top: 0;
}

.section__head {
  align-items: flex-end;
  margin-bottom: var(--space-7);
}

.section__intro {
  display: grid;
  gap: var(--space-2);
}

.section__lead {
  max-width: 34ch;
  margin-bottom: 0;
  color: var(--text-soft);
}

.audience-grid,
.problems-grid,
.services-grid,
.cases-grid,
.process-grid,
.why-us__grid,
.faq-list {
  display: grid;
  gap: var(--space-5);
}

.audience-grid,
.problems-grid,
.why-us__grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.cases-grid,
.faq-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.process-grid--five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.segment-card,
.problem-card,
.service-card,
.case-card,
.process-card,
.reason-card,
.faq-item {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
}

.segment-card:hover,
.problem-card:hover,
.service-card:hover,
.case-card:hover,
.reason-card:hover,
.faq-item:hover {
  transform: translateY(-2px);
  border-color: rgba(121, 166, 255, 0.18);
}

.case-card--featured {
  background: linear-gradient(160deg, rgba(121, 166, 255, 0.16), rgba(255, 255, 255, 0.05) 38%, rgba(255, 255, 255, 0.02) 100%);
}

.case-block + .case-block {
  margin-top: var(--space-5);
}

.process-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: var(--space-4);
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: var(--fs-caption);
  font-weight: 700;
}

.cta {
  padding-top: var(--space-8);
}

.cta__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-6);
  background:
    radial-gradient(circle at top right, rgba(121, 166, 255, 0.26), transparent 28%),
    linear-gradient(135deg, rgba(17, 24, 39, 0.98), rgba(14, 23, 39, 0.96));
}

.cta__content {
  max-width: 42rem;
}

.cta__content h2,
.cta__content p {
  max-width: 32ch;
}

.cta__benefits {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.contacts__content {
  display: grid;
  gap: var(--space-5);
}

.contacts__lead {
  margin: 0;
}

.contact-card {
  max-width: 460px;
  box-shadow: var(--shadow-soft);
}

.contact-card p {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-4);
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.lead-form {
  width: 100%;
  max-width: 520px;
  background: linear-gradient(180deg, rgba(17, 27, 45, 0.98), rgba(13, 22, 38, 0.94));
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.form-field + .form-field {
  margin-top: var(--space-5);
}

.form-row + .form-field,
.form-field + .form-row,
.form-row + .form-row {
  margin-top: var(--space-5);
}

label {
  display: block;
  margin-bottom: var(--space-3);
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: var(--text-soft);
}

textarea {
  min-height: 140px;
}

.lead-form .button {
  width: 100%;
  margin-top: var(--space-6);
}

.lead-form .button[disabled] {
  cursor: wait;
  opacity: 0.86;
}

.form-field--honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 24px;
  margin: var(--space-4) 0 0;
  font-size: var(--fs-small);
  line-height: 1.5;
}

.form-status.is-pending {
  color: var(--text-soft);
}

.form-status.is-success {
  color: #8be6b7;
}

.form-status.is-error {
  color: #ff9b9b;
}

.form-note {
  margin-top: var(--space-4);
  color: var(--text-soft);
}

.site-footer {
  padding: var(--space-7) 0 var(--space-6);
}

.site-footer__inner {
  padding-top: var(--space-5);
  border-top: var(--border);
}

.site-footer__brand {
  margin-bottom: 6px;
}

.site-footer__text {
  margin: 0;
}

@media (max-width: 1280px) {
  .hero__layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  }

  .audience-grid,
  .problems-grid,
  .why-us__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid--five {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .site-header__inner,
  .section__head,
  .cta__inner,
  .contacts__grid,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__layout,
  .cases-grid,
  .faq-list {
    grid-template-columns: 1fr;
  }

  .section__head {
    margin-bottom: var(--space-6);
  }

  h1,
  h2,
  .hero__lead,
  .section__lead,
  .contacts__lead,
  .cta__content p {
    max-width: none;
  }
}

@media (max-width: 768px) {
  .container {
    width: min(var(--container), calc(100% - 28px));
  }

  .site-header {
    position: static;
  }

  .site-header__inner,
  .site-nav,
  .hero__actions,
  .cta__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav {
    gap: var(--space-4);
  }

  .header-cta,
  .button,
  .lead-form .button {
    width: 100%;
  }

  .hero,
  .section {
    padding: var(--space-8) 0;
  }

  .cases,
  .process,
  .why-us,
  .faq,
  .contacts {
    padding-top: 0;
  }

  .hero__facts,
  .audience-grid,
  .problems-grid,
  .services-grid,
  .process-grid--five,
  .why-us__grid,
  .faq-list,
  .form-row {
    grid-template-columns: 1fr;
  }

  .hero__content,
  .hero__panel,
  .segment-card,
  .problem-card,
  .service-card,
  .case-card,
  .process-card,
  .reason-card,
  .faq-item,
  .contact-card,
  .lead-form,
  .cta__inner {
    padding: 24px;
    border-radius: var(--radius-md);
  }

  .hero__lead {
    font-size: 18px;
  }

  p,
  li,
  label,
  input,
  textarea,
  .section__lead {
    font-size: 15px;
  }
}

@media (max-width: 390px) {
  .container {
    width: min(var(--container), calc(100% - 20px));
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 28px;
  }

  .hero__content,
  .hero__panel,
  .segment-card,
  .problem-card,
  .service-card,
  .case-card,
  .process-card,
  .reason-card,
  .faq-item,
  .contact-card,
  .lead-form,
  .cta__inner {
    padding: 20px;
  }
}