:root {
  --bg: #07111f;
  --bg-soft: rgba(11, 27, 47, 0.8);
  --panel: rgba(10, 21, 39, 0.82);
  --panel-strong: #0c1b30;
  --text: #f4f7fb;
  --muted: #9fb0c7;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #4fd1c5;
  --accent-strong: #17b6a6;
  --accent-warm: #ffc857;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 209, 197, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 200, 87, 0.14), transparent 24%),
    linear-gradient(180deg, #08111d 0%, #0a1626 48%, #07111f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 95%);
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 56px;
}

.brand,
.topbar-link {
  color: var(--text);
  text-decoration: none;
}

.brand {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.topbar-link {
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.topbar-link:hover,
.topbar-link:focus-visible,
.button:hover,
.button:focus-visible,
.modal-close:hover,
.modal-close:focus-visible {
  transform: translateY(-2px);
}

.hero {
  padding: 10px 0 24px;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 28px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.12);
  border: 1px solid rgba(79, 209, 197, 0.22);
  color: #bff8f1;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.hero-copy h1,
.section-heading h2,
.request-copy h2,
.modal-dialog h2 {
  margin: 18px 0 0;
  line-height: 1.02;
}

.hero-copy h1 {
  max-width: 12ch;
  font-size: clamp(2.7rem, 6vw, 5.2rem);
}

.hero-text,
.section-heading p,
.request-copy p,
.advantage-card p,
.hero-card-note,
.modal-dialog p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 640px;
  margin: 20px 0 0;
  font-size: 1.05rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 30px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.button-primary {
  color: #06211f;
  background: linear-gradient(135deg, var(--accent) 0%, #8bf7d0 100%);
  box-shadow: 0 14px 30px rgba(79, 209, 197, 0.26);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
}

.button-wide {
  width: 100%;
}

.hero-points {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 28px;
  color: #d6e1ef;
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-warm) 100%);
  box-shadow: 0 0 20px rgba(79, 209, 197, 0.45);
}

.hero-card,
.tariff-card,
.advantage-card,
.request-section,
.modal-dialog {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 31, 53, 0.95), rgba(9, 20, 36, 0.9));
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.hero-card {
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 209, 197, 0.3), transparent 70%);
}

.hero-card-label,
.modal-label {
  margin: 0;
  color: #b3c8e2;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
}

.hero-card-price {
  margin: 14px 0 24px;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
}

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

.hero-card-grid div,
.tariff-card ul li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
}

.hero-card-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 84px 0 0;
}

.section-heading {
  max-width: 720px;
}

.section-heading h2,
.request-copy h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.tariffs,
.advantages {
  display: grid;
  gap: 22px;
  margin-top: 32px;
}

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

.tariff-card,
.advantage-card {
  padding: 28px;
}

.tariff-card-featured {
  transform: translateY(-10px);
  border-color: rgba(79, 209, 197, 0.42);
  background: linear-gradient(180deg, rgba(16, 38, 61, 0.98), rgba(9, 20, 36, 0.95));
}

.tariff-badge {
  display: inline-flex;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 200, 87, 0.16);
  color: #ffe39d;
  font-size: 0.84rem;
  font-weight: 700;
}

.tariff-card h3,
.advantage-card h3 {
  margin: 18px 0 10px;
  font-size: 1.5rem;
}

.price {
  margin: 0 0 20px;
  font-size: 2rem;
  font-weight: 800;
}

.price span {
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
}

.tariff-card ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.advantages {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.request-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 28px;
  align-items: start;
  margin-top: 84px;
  padding: 36px;
}

.request-form {
  display: grid;
  gap: 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-top: 84px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 31, 53, 0.82), rgba(9, 20, 36, 0.78));
  box-shadow: var(--shadow);
}

.footer-copy strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.footer-copy p {
  margin: 0;
  max-width: 420px;
  color: var(--muted);
  line-height: 1.7;
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links a,
.legal-back {
  color: #c5fff8;
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible,
.legal-back:hover,
.legal-back:focus-visible {
  text-decoration: underline;
}

.legal-body {
  min-height: 100vh;
}

.legal-page {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.legal-back {
  display: inline-flex;
  margin-bottom: 20px;
}

.legal-card {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(15, 31, 53, 0.95), rgba(9, 20, 36, 0.9));
  box-shadow: var(--shadow);
}

.legal-eyebrow {
  margin: 0 0 12px;
  color: #bff8f1;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}

.legal-card h1,
.legal-card h2 {
  margin: 0;
}

.legal-card h1 {
  margin-bottom: 20px;
  font-size: clamp(2rem, 4vw, 3rem);
}

.legal-card h2 {
  margin-top: 28px;
  font-size: 1.2rem;
}

.legal-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.8;
}

.field {
  display: grid;
  gap: 10px;
}

.field span {
  font-weight: 700;
}

.field input {
  min-height: 58px;
  width: 100%;
  padding: 0 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.field input::placeholder {
  color: #7f95b0;
}

.field input:focus {
  border-color: rgba(79, 209, 197, 0.6);
  box-shadow: 0 0 0 4px rgba(79, 209, 197, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 8, 15, 0.7);
  backdrop-filter: blur(10px);
}

.modal-dialog {
  position: relative;
  z-index: 1;
  width: min(100%, 460px);
  padding: 30px;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease;
}

@media (max-width: 1080px) {
  .hero-content,
  .request-section,
  .tariffs,
  .advantages {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }

  .tariff-card-featured {
    transform: none;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 16px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 34px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-card,
  .tariff-card,
  .advantage-card,
  .request-section,
  .modal-dialog {
    border-radius: 22px;
  }

  .hero-card-grid {
    grid-template-columns: 1fr;
  }

  .request-section,
  .hero-card,
  .tariff-card,
  .advantage-card,
  .modal-dialog,
  .site-footer,
  .legal-card {
    padding: 22px;
  }

  .button,
  .topbar-link {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }
}