:root {
  --deep-black: #06070a;
  --graphite: #111317;
  --charcoal: #1b1e24;
  --steel: #5e626b;
  --silver: #bfc2c8;
  --white: #f5f6f7;
  --mist: #d9dbde;
  --metallic: #8d9198;
  --gradient-main: linear-gradient(165deg, #050608 0%, #16181d 48%, #2a2d33 100%);
  --gradient-banner: linear-gradient(135deg, #0a0b0e 0%, #1a1c22 100%);
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --max: 1180px;
  --radius: 18px;
  --line: rgba(191, 194, 200, 0.18);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--silver);
  background: var(--deep-black);
  line-height: 1.65;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  z-index: 0;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  width: min(var(--max), calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(6, 7, 10, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.brand span {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav a {
  font-size: 0.92rem;
  color: var(--silver);
  transition: color 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--graphite);
  color: var(--white);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--white);
  color: var(--deep-black);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--mist);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(245, 246, 247, 0.28);
}

.btn-outline:hover,
.btn-outline:focus-visible {
  border-color: var(--white);
}

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

.section {
  padding: 5.5rem 0;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--metallic);
  margin-bottom: 1rem;
}

.section-label::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--steel);
}

.section-title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  color: var(--white);
  font-weight: 700;
}

.section-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 1.05rem;
}

.hero {
  padding: 6.5rem 0 5rem;
  background: var(--gradient-main);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -35% auto;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(141, 145, 152, 0.22);
  border-radius: 42% 58% 64% 36% / 48% 42% 58% 52%;
  transform: rotate(-18deg);
  opacity: 0.55;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-copy h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  line-height: 0.98;
  color: var(--white);
}

.hero-copy p {
  margin: 0 0 2rem;
  max-width: 52ch;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.hero-panel {
  position: relative;
  padding: 2rem;
  border-radius: calc(var(--radius) + 8px);
  background: rgba(17, 19, 23, 0.72);
  border: 1px solid var(--line);
  min-height: 360px;
}

.hero-panel::before,
.hero-panel::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(191, 194, 200, 0.16);
}

.hero-panel::before {
  inset: 1.25rem 1.25rem auto auto;
  width: 120px;
  height: 120px;
  border-radius: 0 0 0 100%;
}

.hero-panel::after {
  inset: auto auto 1.25rem 1.25rem;
  width: 88px;
  height: 88px;
  border-radius: 100% 0 0 0;
}

.metric-stack {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  background: rgba(27, 30, 36, 0.88);
  border: 1px solid rgba(94, 98, 107, 0.28);
}

.metric strong {
  color: var(--white);
  font-size: 1.35rem;
}

.split-section {
  background: var(--gradient-banner);
}

.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  overflow: hidden;
}

.split-pane {
  padding: 2.5rem;
}

.split-pane + .split-pane {
  border-left: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.55);
}

.arch-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.arch-list li {
  position: relative;
  padding-left: 1.35rem;
}

.arch-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid var(--metallic);
  transform: rotate(45deg);
}

.agents-section {
  position: relative;
}

.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2.5rem;
}

.agent-card {
  padding: 1.6rem;
  border-radius: var(--radius);
  background: var(--graphite);
  border: 1px solid var(--line);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.agent-card:nth-child(4),
.agent-card:nth-child(5) {
  grid-column: span 1;
}

.agents-grid-bottom {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 1.25rem;
  max-width: 66.666%;
  margin-left: auto;
  margin-right: auto;
}

.agent-card h3,
.benefit-card h3,
.integration-card h3 {
  margin: 0;
  color: var(--white);
  font-size: 1.15rem;
}

.agent-card p,
.benefit-card p,
.integration-card p {
  margin: 0;
  color: var(--silver);
  font-size: 0.96rem;
}

.card-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(141, 145, 152, 0.45);
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.benefits-section {
  background: radial-gradient(circle at top right, rgba(42, 45, 51, 0.55), transparent 42%), var(--deep-black);
}

.benefits-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: stretch;
}

.benefits-copy {
  padding: 2.5rem;
  border-radius: calc(var(--radius) + 4px);
  border: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.72);
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.benefit-card {
  padding: 1.35rem;
  border-radius: 16px;
  background: var(--charcoal);
  border: 1px solid rgba(94, 98, 107, 0.25);
}

.works-section .works-shell {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2rem;
  align-items: start;
}

.works-rail {
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(26, 28, 34, 0.95), rgba(17, 19, 23, 0.85));
}

.works-rail p {
  margin: 0 0 1.5rem;
}

.integration-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.integration-card {
  padding: 1.35rem 1.4rem;
  border-radius: 16px;
  background: rgba(17, 19, 23, 0.9);
  border: 1px solid var(--line);
}

.vision-section {
  padding-bottom: 6rem;
}

.vision-band {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 0;
  border-radius: calc(var(--radius) + 10px);
  overflow: hidden;
  border: 1px solid var(--line);
}

.vision-band .pane-dark,
.vision-band .pane-light {
  padding: 2.75rem;
}

.vision-band .pane-dark {
  background: rgba(17, 19, 23, 0.92);
}

.vision-band .pane-light {
  background: linear-gradient(160deg, rgba(42, 45, 51, 0.35), rgba(17, 19, 23, 0.75));
  border-left: 1px solid var(--line);
}

.quote-line {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
  line-height: 1.35;
  color: var(--white);
}

.contact-section {
  background: var(--gradient-main);
  padding-top: 4.5rem;
}

.contact-shell {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.contact-aside {
  padding: 2rem 0;
}

.contact-form {
  padding: 2rem;
  border-radius: calc(var(--radius) + 6px);
  background: rgba(17, 19, 23, 0.82);
  border: 1px solid var(--line);
}

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

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.86rem;
  color: var(--mist);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(94, 98, 107, 0.45);
  background: rgba(6, 7, 10, 0.65);
  color: var(--white);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-actions {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-note {
  margin: 0;
  font-size: 0.86rem;
  color: var(--metallic);
}

.form-success {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(191, 194, 200, 0.25);
  background: rgba(27, 30, 36, 0.9);
  color: var(--white);
}

.form-success.is-visible {
  display: block;
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line);
  background: #090a0d;
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.footer-brand p {
  margin: 1rem 0 0;
  max-width: 28ch;
  color: var(--metallic);
  font-size: 0.94rem;
}

.footer-col h4 {
  margin: 0 0 1rem;
  color: var(--white);
  font-size: 0.92rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--silver);
  font-size: 0.94rem;
}

.footer-col a:hover,
.footer-col a:focus-visible {
  color: var(--white);
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--metallic);
  font-size: 0.88rem;
}

.page-hero {
  padding: 5rem 0 3rem;
  background: var(--gradient-banner);
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.page-hero p {
  margin: 0;
  max-width: 68ch;
}

.legal-content,
.page-content {
  padding: 3.5rem 0 5rem;
}

.legal-content .container,
.page-content .container {
  max-width: 860px;
}

.legal-content h2,
.page-content h2 {
  margin: 2rem 0 0.75rem;
  color: var(--white);
  font-size: 1.35rem;
}

.legal-content p,
.legal-content li,
.page-content p,
.page-content li {
  color: var(--silver);
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.pricing-card {
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.88);
}

.pricing-card.featured {
  background: linear-gradient(180deg, rgba(42, 45, 51, 0.45), rgba(17, 19, 23, 0.95));
  transform: translateY(-6px);
}

.pricing-card h3 {
  margin: 0;
  color: var(--white);
}

.pricing-price {
  margin: 1rem 0;
  font-size: 2rem;
  color: var(--white);
  font-weight: 700;
}

.pricing-card ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.55rem;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.support-card {
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(17, 19, 23, 0.82);
}

@media (max-width: 980px) {
  .site-nav {
    position: fixed;
    inset: 72px 1.25rem auto;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: rgba(17, 19, 23, 0.96);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .hero-grid,
  .split-grid,
  .benefits-layout,
  .works-shell,
  .vision-band,
  .contact-shell,
  .footer-grid,
  .agents-grid,
  .agents-grid-bottom,
  .pricing-grid,
  .support-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .split-pane + .split-pane,
  .vision-band .pane-light {
    border-left: none;
    border-top: 1px solid var(--line);
  }

  .agents-grid-bottom {
    max-width: none;
  }

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