:root {
  --color-bg: #070814;
  --color-bg-soft: #0d1024;
  --color-bg-elevated: #121735;
  --color-surface: rgba(18, 23, 53, 0.78);
  --color-surface-strong: #1b2250;
  --color-line: rgba(148, 163, 255, 0.22);
  --color-text: #f4f7ff;
  --color-muted: #b8c1dd;
  --color-soft: #7f8ab4;
  --color-primary: #72f7ff;
  --color-primary-dark: #16c7d8;
  --color-secondary: #9b7cff;
  --color-accent: #ff4fd8;
  --color-warm: #ffe28a;
  --color-success: #66f2a5;
  --color-danger: #ff6b83;
  --gradient-brand: linear-gradient(135deg, #72f7ff 0%, #9b7cff 47%, #ff4fd8 100%);
  --gradient-dark: radial-gradient(circle at 20% 20%, rgba(114, 247, 255, 0.18), transparent 30%), radial-gradient(circle at 82% 12%, rgba(255, 79, 216, 0.15), transparent 31%), linear-gradient(180deg, #070814 0%, #0a0c1f 52%, #070814 100%);
  --shadow-card: 0 24px 80px rgba(0, 0, 0, 0.34);
  --shadow-glow: 0 0 36px rgba(114, 247, 255, 0.22);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1160px;
  --font-sans: "Inter", "Manrope", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: "Space Grotesk", "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--gradient-dark);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.75), transparent 84%);
}

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

a:hover,
a:focus-visible {
  color: #ffffff;
}

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

p {
  margin: 0 0 1rem;
  color: var(--color-muted);
}

h1,
h2,
h3,
h4 {
  margin: 0 0 1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.45rem, 7vw, 5.8rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
}

h3 {
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
}

ul,
ol {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--color-muted);
}

li + li {
  margin-top: 0.55rem;
}

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

.skip-link {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: var(--color-primary);
  color: #041018;
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(148, 163, 255, 0.14);
  background: rgba(7, 8, 20, 0.78);
  backdrop-filter: blur(18px);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: var(--gradient-brand);
  color: #071018;
  box-shadow: var(--shadow-glow);
  font-family: var(--font-mono);
  font-weight: 900;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.28rem;
  list-style: none;
  padding: 0;
}

.nav-list a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--color-muted);
  font-size: 0.95rem;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

.header-action {
  display: inline-flex;
  white-space: nowrap;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(3.5rem, 8vw, 6rem);
}

.hero::after {
  content: "";
  position: absolute;
  width: 46rem;
  height: 46rem;
  right: -18rem;
  top: -12rem;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(155, 124, 255, 0.28), transparent 65%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.8fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.kicker {
  display: inline-flex;
  gap: 0.55rem;
  align-items: center;
  margin-bottom: 1.1rem;
  padding: 0.45rem 0.72rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-primary);
  background: rgba(114, 247, 255, 0.08);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.kicker::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 16px var(--color-success);
}

.hero-copy {
  max-width: 720px;
}

.hero-copy > p {
  max-width: 650px;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.82rem 1.08rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--color-text);
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--gradient-brand);
  color: #050716;
  box-shadow: 0 14px 36px rgba(114, 247, 255, 0.18);
}

.btn-secondary {
  border-color: var(--color-line);
  background: rgba(255, 255, 255, 0.07);
  color: var(--color-text);
}

.btn-small {
  min-height: 40px;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
}

.hero-panel,
.visual-card,
.card,
.process-step,
.metric,
.form-panel,
.note-box,
.quote-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035));
  box-shadow: var(--shadow-card);
}

.hero-panel {
  position: relative;
  padding: 1rem;
}

.hero-panel img {
  border-radius: calc(var(--radius-xl) - 8px);
  background: var(--color-bg-soft);
}

.hero-stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-top: 0.85rem;
}

.hero-stat {
  padding: 0.82rem;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  background: rgba(7, 8, 20, 0.52);
}

.hero-stat strong {
  display: block;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.35rem;
}

.hero-stat span {
  display: block;
  color: var(--color-soft);
  font-size: 0.82rem;
}

.section {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.section-tight {
  padding-top: 1rem;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(260px, 0.7fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(1.6rem, 4vw, 2.8rem);
}

.section-head p {
  font-size: 1.05rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 1rem;
}

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

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

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

.card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.2rem, 2.5vw, 1.6rem);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 15% 0%, rgba(114, 247, 255, 0.12), transparent 30%);
}

.card > * {
  position: relative;
}

.card-icon {
  display: inline-grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 1rem;
  border-radius: 16px;
  background: rgba(114, 247, 255, 0.1);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 900;
}

.feature-list {
  display: grid;
  gap: 0.8rem;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.65rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  background: var(--gradient-brand);
  box-shadow: 0 0 18px rgba(114, 247, 255, 0.22);
}

.visual-card {
  padding: 1rem;
}

.visual-card img {
  width: 100%;
  border-radius: calc(var(--radius-xl) - 8px);
  background: var(--color-bg-soft);
}

.process {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  counter-reset: step;
}

.process-step {
  padding: 1.25rem;
  counter-increment: step;
}

.process-step::before {
  content: "0" counter(step);
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 50%;
  background: rgba(155, 124, 255, 0.16);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-weight: 800;
}

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

.metric {
  padding: 1.25rem;
}

.metric strong {
  display: block;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.metric span {
  display: block;
  margin-top: 0.45rem;
  color: var(--color-muted);
}

.banner {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 2.5rem);
  border: 1px solid rgba(114, 247, 255, 0.28);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(114, 247, 255, 0.16), rgba(155, 124, 255, 0.12), rgba(255, 79, 216, 0.1));
  box-shadow: var(--shadow-glow);
}

.banner::after {
  content: "";
  position: absolute;
  inset: -40% -10% auto auto;
  width: 26rem;
  height: 26rem;
  border-radius: 50%;
  background: rgba(255, 79, 216, 0.17);
}

.banner > * {
  position: relative;
  z-index: 1;
}

.page-hero {
  padding: clamp(3.8rem, 8vw, 6.5rem) 0 clamp(2.4rem, 5vw, 4rem);
}

.page-hero .hero-copy {
  max-width: 850px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  color: var(--color-soft);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: var(--color-muted);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.32fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.article-block {
  padding: clamp(1.3rem, 3vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: rgba(255,255,255,0.045);
}

.article-block + .article-block {
  margin-top: 1rem;
}

.sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 1rem;
}

.note-box {
  padding: 1.2rem;
}

.note-box strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.table-like {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
}

.table-row {
  display: grid;
  grid-template-columns: minmax(120px, 0.4fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  background: rgba(255,255,255,0.045);
}

.table-row + .table-row {
  border-top: 1px solid var(--color-line);
}

.table-row strong {
  color: var(--color-primary);
}

.faq details {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04);
  padding: 1rem 1.1rem;
}

.faq details + details {
  margin-top: 0.8rem;
}

.faq summary {
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-display);
  font-weight: 800;
}

.faq p {
  margin: 0.8rem 0 0;
}

.form-panel {
  padding: clamp(1.2rem, 3vw, 2rem);
}

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

.form-field {
  display: grid;
  gap: 0.4rem;
}

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

label {
  color: var(--color-text);
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(148, 163, 255, 0.28);
  border-radius: var(--radius-md);
  padding: 0.78rem 0.9rem;
  background: rgba(5, 7, 22, 0.76);
  color: var(--color-text);
  font: inherit;
}

textarea {
  min-height: 132px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(114, 247, 255, 0.35);
  border-color: var(--color-primary);
}

.microcopy {
  color: var(--color-soft);
  font-size: 0.9rem;
}

.quote-card {
  padding: 1.4rem;
}

.quote-card p {
  color: var(--color-text);
  font-size: 1.05rem;
}

.quote-card cite {
  color: var(--color-soft);
  font-style: normal;
}

.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(148, 163, 255, 0.14);
  background: rgba(3, 4, 12, 0.58);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(3, minmax(160px, 0.32fr));
  gap: 2rem;
}

.footer-grid h2,
.footer-grid h3 {
  font-size: 1rem;
  letter-spacing: 0;
}

.footer-links {
  display: grid;
  gap: 0.55rem;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--color-muted);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 255, 0.14);
  color: var(--color-soft);
  font-size: 0.9rem;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  background: rgba(255,255,255,0.04);
  font-size: 0.9rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline-item {
  position: relative;
  padding-left: 1.7rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(114, 247, 255, 0.12);
}

@media (max-width: 980px) {
  .header-inner {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-list {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.1rem;
  }

  .hero-grid,
  .section-head,
  .content-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .grid-3,
  .grid-4,
  .process,
  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 680px) {
  .wrapper {
    width: min(100% - 28px, var(--container));
  }

  .header-action {
    display: none;
  }

  .nav-list a {
    padding-inline: 0.72rem;
    font-size: 0.9rem;
  }

  .hero-stat-strip,
  .grid-2,
  .grid-3,
  .grid-4,
  .process,
  .metrics,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .table-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

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

  .hero-actions,
  .section-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}