:root {
  color-scheme: light;
  --ink: #12151c;
  --muted: #5c6578;
  --line: #e6eaf2;
  --paper: #f3f6fb;
  --card: #ffffff;
  --night: #0c1220;
  --night-2: #151d31;
  --signal: #5ee0b5;
  --signal-2: #7aa7ff;
  --focus: #1d4ed8;
  --display: "Space Grotesk", "Segoe UI", sans-serif;
  --sans: "Manrope", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

a { color: #1d4ed8; }

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: #fff;
  color: var(--ink);
  padding: 0.5rem 0.75rem;
  z-index: 30;
}

.skip:focus { top: 0.75rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(12, 18, 32, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner,
.wrap {
  width: min(1120px, calc(100% - 2.4rem));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.4rem;
}

.brand {
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mark {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--signal), #3d8dff);
  color: #071018;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.brand-text { display: grid; line-height: 1.15; }

.brand strong { font-size: 0.98rem; font-weight: 700; }

.brand-text span { font-size: 0.74rem; color: #b7c0d4; }

.nav-toggle {
  display: none;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  font: inherit;
  font-weight: 600;
}

.site-nav ul {
  display: flex;
  gap: 0.2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: #d5dced;
  text-decoration: none;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
}

.site-nav a[aria-current="page"] {
  background: rgba(94, 224, 181, 0.16);
  color: var(--signal);
}

.site-nav a:hover { color: #fff; }

.hero {
  background:
    radial-gradient(circle at 15% 20%, rgba(122, 167, 255, 0.28), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(94, 224, 181, 0.2), transparent 28%),
    var(--night);
  color: #f4f7fb;
  padding: 2.4rem 0 3.2rem;
  overflow: hidden;
  position: relative;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(28px);
  opacity: 0.35;
  pointer-events: none;
  animation: drift 14s ease-in-out infinite;
}

.blob-a {
  width: 220px;
  height: 220px;
  background: #3d8dff;
  top: -90px;
  left: -40px;
}

.blob-b {
  width: 180px;
  height: 180px;
  background: #5ee0b5;
  right: -30px;
  bottom: -40px;
  animation-delay: -5s;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.kicker {
  margin: 0 0 0.65rem;
  color: var(--signal);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1,
.page-title,
.card h2,
.panel h2,
.step h2,
.side h2 {
  font-family: var(--display);
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.05;
  font-weight: 700;
  margin: 0 0 1rem;
  max-width: 14ch;
  color: #ffffff;
  animation: rise 0.7s ease both;
}

.lede {
  max-width: 46ch;
  margin: 0;
  color: #e7eef8;
  font-size: 1.05rem;
  animation: rise 0.8s ease 0.08s both;
}

.note {
  margin: 1.1rem 0 0;
  max-width: 52ch;
  color: #9eabC4;
  font-size: 0.88rem;
}

.visual-col { display: grid; gap: 0.9rem; }

.stage {
  position: relative;
  height: 240px;
  border-radius: 28px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  border: 1px dashed rgba(94, 224, 181, 0.45);
  transform: translate(-50%, -50%);
}

.orbit span {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px var(--signal);
}

.orbit-a { width: 120px; height: 120px; animation: spin 12s linear infinite; }
.orbit-a span { top: -5px; left: 50%; }

.orbit-b { width: 180px; height: 180px; animation: spin 18s linear infinite reverse; border-color: rgba(122, 167, 255, 0.55); }
.orbit-b span { background: var(--signal-2); box-shadow: 0 0 12px var(--signal-2); bottom: 8px; right: 10px; }

.shield {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 74px;
  height: 74px;
  transform: translate(-50%, -50%);
  color: #fff;
  filter: drop-shadow(0 8px 16px rgba(94, 224, 181, 0.25));
  animation: pulse 3.2s ease-in-out infinite;
}

.seal {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 0.9rem 1rem 0.3rem;
}

.seal-label {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-2);
}

.seal ol { list-style: none; margin: 0; padding: 0; }

.seal li {
  display: grid;
  gap: 0.05rem;
  padding: 0.65rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.seal strong { font-size: 0.95rem; }

.seal span { color: #b7c3d8; font-size: 0.86rem; }

.page { padding: 1.5rem 0 4rem; }

.crumbs { margin: 0 0 0.85rem; }

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
  font-weight: 600;
}

.crumbs a { color: #0f8f6a; text-decoration: none; }

.crumbs a:hover { text-decoration: underline; }

.crumbs li:not(:last-child)::after {
  content: "/";
  margin: 0 0.45rem;
  color: #b7c0d0;
  font-weight: 500;
}

.crumbs [aria-current="page"] { color: var(--muted); }

.page-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 1rem;
  align-items: center;
  margin: 0.2rem 0 1.15rem;
  padding: 1.3rem 1.4rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at 100% 0%, rgba(94, 224, 181, 0.2), transparent 40%),
    var(--night);
  color: #fff;
}

.page-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.1;
  font-weight: 650;
  margin: 0;
  color: #fff;
}

.page-art {
  width: 110px;
  height: 110px;
  justify-self: end;
  color: var(--signal);
  animation: floaty 5s ease-in-out infinite;
}

.kicker { color: var(--signal); }

.panel .kicker { color: #0f8f6a; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.1rem;
}

.panel,
.step,
.faq details,
.card {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px rgba(18, 21, 28, 0.05);
}

.card {
  position: relative;
  padding: 1.2rem 1.15rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  color: inherit;
  border-radius: 22px;
  overflow: hidden;
  min-height: 230px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  animation: rise 0.7s ease both;
}

.card:nth-child(2) { animation-delay: 0.08s; }
.card:nth-child(3) { animation-delay: 0.16s; }

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 40px rgba(18, 21, 28, 0.1);
}

.icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: #073046;
  background: linear-gradient(145deg, #d9fff2, #d7e6ff);
  margin-bottom: 0.35rem;
}

.icon svg { width: 24px; height: 24px; }

.card h2,
.panel h2,
.step h2 {
  font-size: 1.28rem;
  font-weight: 650;
  line-height: 1.2;
  margin: 0;
  color: var(--ink);
}

.card p { margin: 0; color: var(--muted); }

.card .more {
  margin-top: auto;
  padding-top: 0.75rem;
  color: #0b6b52;
  font-weight: 700;
  font-size: 0.92rem;
}

.panel {
  border-radius: 24px;
  padding: 1.45rem 1.5rem 1.55rem;
}

.panel h2 { margin-bottom: 0.65rem; }

.panel p,
.step p { margin: 0; color: var(--ink); }

.panel p + p { margin-top: 0.8rem; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 1.1rem;
  align-items: start;
}

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

.side {
  position: sticky;
  top: 5.5rem;
  border-radius: 22px;
  padding: 1.1rem 1.1rem 1.2rem;
  background:
    radial-gradient(circle at 0% 0%, rgba(94, 224, 181, 0.25), transparent 45%),
    var(--night);
  color: #f4f7fb;
}

.side h2 {
  margin: 0 0 0.8rem;
  font-size: 1.3rem;
  color: #fff;
}

.side ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: check;
}

.side li {
  counter-increment: check;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.7rem;
  color: #d5deee;
  padding: 0.7rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.side li::before {
  content: counter(check);
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 8px;
  background: rgba(94, 224, 181, 0.16);
  color: var(--signal);
  display: grid;
  place-items: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.steps { display: grid; gap: 0.8rem; }

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 1.15rem;
  border-radius: 22px;
  align-items: start;
}

.num {
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 14px;
  background: var(--night);
  color: var(--signal);
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-weight: 700;
}

.faq { display: grid; gap: 0.75rem; }

.faq details {
  border-radius: 20px;
  padding: 0.25rem 1.1rem;
}

.faq details[open] {
  background: #fff;
  box-shadow: 0 12px 30px rgba(18, 21, 28, 0.06);
}

.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--ink);
  padding: 0.9rem 1.6rem 0.9rem 0;
  list-style: none;
  position: relative;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "";
  position: absolute;
  right: 0;
  top: 1.15rem;
  width: 10px;
  height: 10px;
  border-right: 2px solid #0f8f6a;
  border-bottom: 2px solid #0f8f6a;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after { transform: rotate(225deg); top: 1.3rem; }

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

.site-footer { padding: 0 0 2rem; }

.site-footer .wrap {
  border-top: 1px solid var(--line);
  padding-top: 1.15rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p { margin: 0; }

@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.06); }
}

@keyframes drift {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(18px); }
}

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes rise {
  from { transform: translateY(12px); }
  to { transform: none; }
}

@media (max-width: 860px) {
  .hero-grid,
  .grid,
  .layout,
  .page-head { grid-template-columns: 1fr; }
  .side { position: static; }
  .page-art { justify-self: start; }
  .hero h1 { max-width: none; }
  .header-inner { flex-wrap: wrap; }
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none;
    flex-basis: 100%;
    padding: 0 0 0.85rem;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; }
}

@media (max-width: 640px) {
  .header-inner,
  .wrap { width: min(1120px, calc(100% - 1.4rem)); }
  .card { min-height: 0; }
  .stage { height: 200px; }
}

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