:root {
  --bg: #0f1226;
  --bg-soft: #151a36;
  --card: #1b2146;
  --text: #ecf0ff;
  --muted: #b9c2e6;
  --accent: #4f8cff;
  --accent-2: #7aa8ff;
  --ok: #49c88a;
  --error: #ff6a6a;
  --border: rgba(255, 255, 255, 0.1);
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(8px);
  background: rgba(15, 18, 38, 0.8);
  border-bottom: 1px solid var(--border);
}

.header__row,
.footer__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 72px;
}

.logo {
  font-weight: 800;
  letter-spacing: 0.2px;
  color: var(--text);
  text-decoration: none;
}

.logo span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  color: var(--muted);
  font-weight: 500;
}

.hero {
  padding: 72px 0 32px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.badge {
  display: inline-block;
  margin: 0 0 16px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--accent-2);
  font-weight: 600;
  background: rgba(79, 140, 255, 0.15);
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.1;
}

h2 {
  margin: 0 0 24px;
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
}

h3 {
  margin: 0 0 12px;
  font-size: 1.2rem;
}

.hero__lead,
.price__note,
.feature p,
.case p,
.form-wrap p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.hero__actions {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 12px 20px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn--primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #376de6);
}

.btn--primary:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.btn--ghost {
  color: var(--text);
  border-color: var(--border);
  background: transparent;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  text-decoration: none;
}

.hero__card,
.feature,
.case,
.form {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
}

.hero__card {
  padding: 24px;
}

.hero__card h2 {
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.hero__card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.section {
  padding: 70px 0;
}

.section--light {
  background: var(--bg-soft);
}

.features,
.cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature,
.case {
  padding: 20px;
}

.case__niche {
  margin: 0 0 10px;
  color: var(--accent-2);
  font-weight: 600;
}

.section--accent {
  background: radial-gradient(80% 160% at 100% 0%, #305ecf 0%, #1b2146 55%, #121632 100%);
}

.price {
  text-align: center;
}

.price__value {
  margin: 0 0 12px;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  font-weight: 800;
}

.price__value span {
  color: #8bc0ff;
}

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

.form {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.form label {
  display: grid;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--muted);
}

.form input,
.form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #121632;
  color: var(--text);
  padding: 11px 12px;
  font: inherit;
}

.form input:focus,
.form textarea:focus {
  outline: 2px solid rgba(79, 140, 255, 0.5);
  border-color: transparent;
}

.consent {
  grid-template-columns: 18px 1fr;
  align-items: start;
  gap: 10px;
}

.consent input {
  margin-top: 2px;
}

.btn--full {
  width: 100%;
}

.form__message {
  min-height: 20px;
  margin: 0;
  font-weight: 600;
}

.form__message--ok {
  color: var(--ok);
}

.form__message--error {
  color: var(--error);
}

.footer {
  border-top: 1px solid var(--border);
}

.footer__links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.legal {
  padding: 60px 0 80px;
}

.legal article {
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  display: grid;
  gap: 12px;
}

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

@media (max-width: 980px) {
  .hero__grid,
  .form-wrap {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .header__row {
    flex-wrap: wrap;
    padding: 10px 0;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  .features,
  .cases {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }
}