:root {
  --bg: #f3f6fb;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --panel: #e8eef7;
  --panel-strong: #dde7f3;
  --ink: #162235;
  --muted: #56657a;
  --line: rgba(22, 34, 53, 0.12);
  --accent: #2d4f7d;
  --accent-strong: #1d3557;
  --accent-soft: rgba(45, 79, 125, 0.12);
  --accent-warm: #8fa6c0;
  --shadow: 0 24px 60px rgba(22, 34, 53, 0.08);
  --radius: 24px;
  --radius-sm: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(143, 166, 192, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(45, 79, 125, 0.14), transparent 28%),
    linear-gradient(180deg, #fbfcff 0%, #eef3f9 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
  opacity: 0.34;
}

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

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

code {
  padding: 0.2rem 0.45rem;
  border-radius: 999px;
  background: rgba(28, 39, 48, 0.08);
  font-family: "SFMono-Regular", Menlo, monospace;
  font-size: 0.92rem;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 20;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.page-shell {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
  background: rgba(245, 246, 243, 0.76);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 92px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.brand img {
  width: 62px;
  height: 62px;
  padding: 0.45rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(22, 34, 53, 0.08);
  object-fit: contain;
  filter: drop-shadow(0 10px 20px rgba(22, 34, 53, 0.12));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.site-nav__links a:hover,
.lang-switch a:hover,
.lang-switch a[aria-current="page"] {
  color: var(--ink);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
}

.lang-switch a {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.lang-switch a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}

.menu-toggle {
  display: none;
  padding: 0;
  border: 0;
  background: transparent;
  width: 48px;
  height: 48px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  border-radius: 999px;
}

.section {
  padding: 4.5rem 0;
}

.section--compact {
  padding-top: 3rem;
}

.section--muted {
  position: relative;
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.section-heading p {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  line-height: 1.05;
  font-family: "Fraunces", serif;
  font-weight: 600;
}

.section-heading--left {
  margin-bottom: 0;
}

.hero {
  padding-top: 3.6rem;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.85fr);
  gap: 1.5rem;
  align-items: stretch;
}

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

.hero__copy,
.hero__panel,
.split-panel,
.docs-callout,
.contact-panel,
.stack-card,
.feature-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__copy {
  padding: clamp(2rem, 4vw, 4rem);
  border-radius: calc(var(--radius) + 10px);
}

.hero-visual {
  display: flex;
  justify-content: center;
  margin: 0 0 1.6rem;
}

.hero-visual img {
  width: min(100%, 420px);
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 36px rgba(22, 34, 53, 0.08));
}

.hero__panel {
  padding: 1.8rem;
  border-radius: var(--radius);
  background:
    linear-gradient(160deg, rgba(45, 79, 125, 0.14), rgba(255, 255, 255, 0.94)),
    var(--surface);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  padding: 0.62rem 1rem;
  border: 1px solid rgba(45, 79, 125, 0.2);
  border-radius: 999px;
  background: rgba(45, 79, 125, 0.08);
  color: var(--accent-strong);
  font-weight: 800;
  font-size: 0.98rem;
}

.hero-badge span {
  font: inherit;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  padding: 0.5rem 0.85rem;
  border: 1px solid rgba(45, 79, 125, 0.2);
  border-radius: 999px;
  background: rgba(45, 79, 125, 0.08);
  color: var(--accent-strong);
  font-weight: 800;
  font-size: 0.92rem;
}

.hero h1 {
  margin: 0;
  max-width: 11ch;
  font-size: clamp(2.45rem, 6.4vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

.lead {
  margin: 1.35rem 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.75;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 18px 30px rgba(45, 79, 125, 0.2);
}

.btn--primary:hover {
  background: var(--accent-strong);
}

.btn--secondary {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  color: var(--ink);
}

.hero__highlights,
.check-list,
.tag-list,
.stat-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero__highlights {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.8rem;
}

.hero__highlights li,
.check-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--muted);
  line-height: 1.7;
}

.hero__highlights li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(45, 79, 125, 0.1);
}

.hero__panel-label {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stat-list {
  display: grid;
  gap: 1rem;
}

.stat-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
}

.stat-list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.stat-list strong,
.feature-card h3,
.stack-card h3,
.contact-panel strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1rem;
}

.stat-list span,
.feature-card p,
.copy-block p,
.stack-card p,
.contact-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.copy-block {
  max-width: 52rem;
}

.copy-block--tight {
  max-width: 42rem;
}

.split-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
  gap: 1.5rem;
  padding: 1.6rem;
  border-radius: var(--radius);
}

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

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

.card-grid--plans {
  margin-top: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-card,
.stack-card {
  padding: 1.35rem;
  border-radius: var(--radius-sm);
}

.docs-callout,
.contact-panel {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.6rem;
  border-radius: var(--radius);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1rem 0;
}

.tag-list li {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
}

.contact-line {
  margin: 0.35rem 0;
}

.site-footer {
  padding: 1.6rem 0 2.5rem;
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.footer__brand p,
.footer__meta span,
.footer__meta a {
  color: var(--muted);
}

.footer__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.88rem;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1080px) {
  .hero__grid,
  .split-panel,
  .card-grid,
  .card-grid--audience,
  .docs-callout,
  .contact-panel,
  .site-footer__inner {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

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

  .footer__meta {
    justify-content: flex-start;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
    padding: 1rem;
    background: rgba(245, 246, 243, 0.96);
    border-bottom: 1px solid var(--line);
  }

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

  .site-nav__links {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav__links a {
    padding: 0.3rem 0;
  }

  .lang-switch {
    align-self: flex-start;
  }

  .hero {
    padding-top: 2.2rem;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 11.5vw, 3.75rem);
  }
}

@media (max-width: 620px) {
  .container {
    width: min(calc(100% - 1.2rem), var(--container));
  }

  .section {
    padding: 3.2rem 0;
  }

  .hero__copy,
  .hero__panel,
  .split-panel,
  .docs-callout,
  .contact-panel {
    padding: 1.2rem;
  }

  .hero-visual {
    margin-bottom: 1.2rem;
  }

  .hero-visual img {
    width: min(100%, 320px);
  }

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

  .brand span {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .btn,
  .reveal {
    transition: none;
  }
}