:root {
  --bg: #0b1220;
  --bg2: #0f1a31;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --muted2: rgba(255, 255, 255, 0.58);
  --brand: #5eead4;
  --brand2: #60a5fa;
  --danger: #fb7185;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius2: 12px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(900px 600px at 15% 10%, rgba(96, 165, 250, 0.25), transparent 55%),
    radial-gradient(700px 420px at 80% 0%, rgba(94, 234, 212, 0.18), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

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

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.skip-link:focus {
  left: 14px;
  z-index: 9999;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  line-height: 1;
}

.brand__mark {
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 6px 10px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.22), rgba(96, 165, 250, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.brand__name {
  font-weight: 800;
  font-size: 18px;
}

.brand__tag {
  color: var(--muted2);
  font-size: 13px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav__link {
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--muted);
  transition: background 180ms ease, color 180ms ease;
}

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

.nav__link--cta {
  color: #08111f;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  font-weight: 700;
}

.nav__link--cta:hover {
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.9), rgba(96, 165, 250, 0.9));
}

.nav-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 700;
}

.hero {
  padding: 64px 0 28px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 26px;
  align-items: start;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  margin: 0 0 14px;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 14px;
  padding: 11px 14px;
  font-weight: 800;
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: pointer;
  transition: transform 140ms ease, background 160ms ease, border-color 160ms ease;
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #061022;
  border-color: rgba(255, 255, 255, 0);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.meta-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius2);
  padding: 12px 12px;
}

.meta-item__label {
  color: var(--muted2);
  font-size: 12px;
}

.meta-item__value {
  margin-top: 6px;
  font-weight: 800;
  font-size: 14px;
}

.hero__panel {
  display: grid;
  gap: 12px;
}

.panel-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.panel-card__title {
  font-weight: 900;
  margin-bottom: 10px;
}

.panel-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.panel-kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.kpi {
  padding: 12px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.kpi__num {
  font-weight: 900;
}

.kpi__label {
  margin-top: 6px;
  color: var(--muted2);
  font-size: 12px;
}

.panel-link {
  display: inline-flex;
  margin-top: 12px;
  font-weight: 800;
  color: rgba(94, 234, 212, 0.95);
}

.section {
  padding: 56px 0;
}

.section--alt {
  background: rgba(255, 255, 255, 0.03);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.section__head {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.01em;
}

.section__head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.grid {
  display: grid;
  gap: 14px;
}

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

.card {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.26);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

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

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tags li {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted2);
  font-size: 12px;
}

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

.feature {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.feature__title {
  font-weight: 900;
  margin-bottom: 8px;
}

.feature p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

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

.stat {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.stat__num {
  font-weight: 950;
  font-size: 18px;
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.95), rgba(96, 165, 250, 0.95));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat__label {
  margin-top: 8px;
  font-weight: 900;
}

.stat__desc {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.8;
}

.quote {
  margin-top: 14px;
  padding: 18px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(94, 234, 212, 0.08), rgba(96, 165, 250, 0.08));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.quote__title {
  font-weight: 900;
  color: rgba(255, 255, 255, 0.9);
}

.quote__body {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.8;
}

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

.about__block {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.about__block h3 {
  margin: 0 0 8px;
}

.about__block p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.contact {
  grid-template-columns: 1.25fr 0.75fr;
  align-items: start;
}

.form {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.field {
  display: grid;
  gap: 8px;
}

.field__label {
  color: var(--muted2);
  font-size: 12px;
  font-weight: 700;
}

.field__input {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  padding: 11px 12px;
  outline: none;
}

.field__input:focus {
  border-color: rgba(94, 234, 212, 0.65);
  box-shadow: 0 0 0 4px rgba(94, 234, 212, 0.12);
}

.field__input--textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.7;
}

.form__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.form__result {
  margin-top: 12px;
  color: var(--muted);
  line-height: 1.8;
}

.quote-output {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 12px;
  align-items: start;
}

.preview {
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
  color: rgba(255, 255, 255, 0.86);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.quote-contact {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
}

.quote-contact__title {
  font-weight: 900;
  margin-bottom: 10px;
}

.quote-contact__label {
  color: var(--muted2);
  font-weight: 700;
  font-size: 12px;
}

.quote-contact__value {
  margin-top: 8px;
  font-weight: 900;
  word-break: break-word;
}

.contact__aside {
  display: grid;
  gap: 12px;
}

.aside-card {
  padding: 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.aside-card__title {
  font-weight: 900;
  margin-bottom: 10px;
}

.aside-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.9;
}

.aside-kv {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
  color: var(--muted);
}

.aside-kv:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.aside-kv__k {
  color: var(--muted2);
  font-weight: 700;
}

.aside-contact {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed rgba(255, 255, 255, 0.12);
}

.aside-contact__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.aside-contact__item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(94, 234, 212, 0.35);
  transform: translateY(-1px);
}

.aside-contact__label {
  color: var(--muted2);
  font-size: 12px;
  font-weight: 700;
}

.aside-contact__value {
  font-weight: 800;
  word-break: break-word;
  text-align: right;
}

.footer {
  padding: 26px 0 42px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.16);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.footer__brand {
  font-weight: 900;
}

.footer__meta {
  color: var(--muted2);
  margin-top: 6px;
  font-size: 13px;
}

.footer__right {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted2);
}

.footer__link:hover {
  color: var(--text);
}

.footer__sep {
  opacity: 0.6;
}

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

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

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

  .contact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 66px;
    border-radius: 16px;
    padding: 12px;
    background: rgba(11, 18, 32, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .nav.is-open {
    display: flex;
  }

  .nav__link {
    text-align: center;
  }

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

  .about {
    grid-template-columns: 1fr;
  }

  .form__row {
    grid-template-columns: 1fr;
  }

  .quote-output {
    grid-template-columns: 1fr;
  }

  .hero__meta {
    grid-template-columns: 1fr;
  }

  .aside-contact__item {
    align-items: flex-start;
    flex-direction: column;
  }
}