:root {
  --bg: #07131c;
  --bg-deep: #040b12;
  --ink: #eef8f6;
  --muted: #8aa8b0;
  --teal: #3ee0c4;
  --teal-deep: #1ab89e;
  --sky: #4aa8ff;
  --line: rgba(94, 240, 208, 0.28);
  --font-brand: "Outfit", "Noto Sans SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Outfit", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  background: var(--bg-deep);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a:hover {
  color: #9af5e4;
}

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(900px 520px at 18% 12%, rgba(62, 224, 196, 0.22), transparent 58%),
    radial-gradient(800px 480px at 88% 18%, rgba(74, 168, 255, 0.2), transparent 55%),
    linear-gradient(165deg, #07131c 0%, #0a1c28 48%, #061018 100%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.45;
  animation: drift 14s ease-in-out infinite alternate;
}

.glow-a {
  width: 280px;
  height: 280px;
  left: 8%;
  top: 22%;
  background: rgba(62, 224, 196, 0.35);
}

.glow-b {
  width: 340px;
  height: 340px;
  right: 4%;
  top: 8%;
  background: rgba(74, 168, 255, 0.28);
  animation-delay: -4s;
}

.branch-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.branch-draw path {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw 2.4s ease forwards 0.35s;
}

.nodes .node {
  opacity: 0;
  transform-origin: center;
  animation: pop 0.7s ease forwards;
}

.n1 { animation-delay: 0.9s; }
.n2 { animation-delay: 1.15s; }
.n3 { animation-delay: 1.35s; }
.n4 { animation-delay: 1.5s; }
.n5 { animation-delay: 1.65s; }

.top,
main,
footer {
  position: relative;
  z-index: 1;
  width: min(1080px, calc(100% - 2.5rem));
  margin-inline: auto;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.35rem 0 0;
  animation: rise 0.8s ease both;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--ink);
  font-family: var(--font-brand);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
}

.brand-lockup img {
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(10, 40, 50, 0.45);
}

.top nav {
  display: flex;
  gap: 1.35rem;
  font-size: 0.92rem;
  color: var(--muted);
}

.top nav a {
  color: inherit;
}

.top nav a:hover {
  color: var(--teal);
}

.hero {
  min-height: calc(100svh - 5.5rem);
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 1.15rem;
  padding: 3.5rem 0 4.5rem;
  animation: rise 1s ease 0.12s both;
}

.hero-mark {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow:
    0 18px 50px rgba(8, 30, 40, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  animation: floaty 5.5s ease-in-out infinite;
}

#brand-title {
  margin: 0;
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(3.4rem, 11vw, 6.4rem);
  letter-spacing: -0.035em;
  line-height: 0.95;
  background: linear-gradient(120deg, #f5fffc 10%, #7af0d8 48%, #7ec4ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lede {
  margin: 0;
  max-width: 34rem;
  color: #c5dde4;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  font-weight: 400;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 0.35rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  font-family: var(--font-brand);
  font-weight: 650;
  font-size: 0.98rem;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary {
  color: #042018;
  background: linear-gradient(120deg, #5ef0d0, #4aa8ff);
  box-shadow: 0 12px 36px rgba(58, 180, 200, 0.35);
}

.btn-primary:hover {
  color: #031510;
  box-shadow: 0 16px 42px rgba(58, 180, 200, 0.48);
}

.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(148, 220, 230, 0.28);
}

.btn-ghost:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.meta strong {
  color: #d7f6ef;
  font-weight: 650;
}

.why {
  padding: 1rem 0 5rem;
  animation: rise 0.9s ease 0.25s both;
}

.why h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-brand);
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.why-intro {
  margin: 0 0 2.2rem;
  color: var(--muted);
  max-width: 32rem;
}

.spine {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1.6rem;
}

.spine::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background: linear-gradient(180deg, var(--teal), var(--sky));
  opacity: 0.55;
}

.spine li {
  display: grid;
  grid-template-columns: 1.3rem 1fr;
  gap: 1rem;
  align-items: start;
}

.spine .dot {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.25rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, #bff7ea 35%, #3ee0c4 70%);
  box-shadow: 0 0 0 4px rgba(62, 224, 196, 0.12);
}

.spine h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 650;
}

.spine p {
  margin: 0;
  color: #a7c2cb;
  max-width: 36rem;
}

.speed-strip {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 0;
  padding: 0;
}

.speed-strip li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-family: var(--font-brand);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #c9f7ec;
  background: rgba(62, 224, 196, 0.1);
  border: 1px solid rgba(94, 240, 208, 0.28);
}

.home-block {
  padding: 0 0 4.5rem;
}

.home-block-tight {
  padding-bottom: 5rem;
}

.block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.block-head h2,
.home-block > h2 {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(1.55rem, 3.5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.text-link {
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
}

.peek-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem 1.1rem;
}

.peek {
  display: block;
  padding: 1.05rem 0.15rem 1.05rem 0;
  color: inherit;
  border-top: 1px solid rgba(148, 220, 230, 0.16);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.peek:hover {
  text-decoration: none;
  color: #dffaf3;
  border-top-color: rgba(94, 240, 208, 0.55);
}

.peek h3 {
  margin: 0 0 0.35rem;
  font-family: var(--font-brand);
  font-size: 1.08rem;
  font-weight: 650;
}

.peek p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Inner pages */
.page .hero {
  min-height: auto;
}

.atmosphere-soft .branch-field {
  display: none;
}

.page-main {
  position: relative;
  z-index: 1;
  width: min(820px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.2rem 0 3rem;
}

.page-hero {
  margin-bottom: 2.4rem;
}

.eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--font-brand);
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-hero h1 {
  margin: 0 0 0.7rem;
  font-family: var(--font-brand);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.page-lede {
  margin: 0;
  color: #c5dde4;
  font-size: 1.05rem;
  max-width: 38rem;
}

.feature-block {
  margin-bottom: 2.4rem;
  padding-top: 0.2rem;
}

.feature-block h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 700;
}

.feature-block h3 {
  margin: 1.1rem 0 0.55rem;
  font-family: var(--font-brand);
  font-size: 1.02rem;
  font-weight: 650;
  color: #d7f6ef;
}

.plain-list {
  margin: 0;
  padding-left: 1.15rem;
  color: #a7c2cb;
}

.plain-list li {
  margin: 0.4rem 0;
}

.plain-list strong {
  color: #e7f7f2;
  font-weight: 600;
}

code,
kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.1em 0.35em;
  border-radius: 0.3em;
  background: rgba(255, 255, 255, 0.06);
  color: #d5f3ea;
}

kbd {
  border: 1px solid rgba(148, 220, 230, 0.25);
}

.prose {
  margin: 0 0 0.9rem;
  color: #c5dde4;
}

.prose.muted,
.muted {
  color: var(--muted);
}

.steps {
  margin: 0;
  padding-left: 1.2rem;
  color: #a7c2cb;
}

.steps li {
  margin: 0.55rem 0;
}

.page-foot-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2.5rem 0 0;
}

.release {
  margin-bottom: 2.6rem;
  padding-bottom: 0.4rem;
  border-top: 1px solid rgba(148, 220, 230, 0.16);
  padding-top: 1.4rem;
}

.release-muted {
  opacity: 0.92;
}

.release-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.7rem;
}

.release-head h2 {
  margin: 0;
  font-family: var(--font-brand);
  font-size: 1.45rem;
}

.release-head time {
  color: var(--muted);
  font-size: 0.9rem;
}

.top nav a.is-active {
  color: var(--teal);
}

.footer {
  padding: 0 0 2.8rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: grid;
  gap: 0.55rem;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-family: var(--font-brand);
}

.footer-brand img {
  border-radius: 7px;
}

.footer p {
  margin: 0;
}

.footnote {
  opacity: 0.75;
  font-size: 0.82rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes pop {
  from {
    opacity: 0;
    transform: scale(0.4);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes drift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(24px, -18px, 0);
  }
}

@media (max-width: 720px) {
  .top nav {
    gap: 0.9rem;
    font-size: 0.85rem;
  }

  .hero {
    min-height: calc(100svh - 4.5rem);
    padding-top: 2.5rem;
  }

  .hero-mark {
    width: 72px;
    height: 72px;
    border-radius: 18px;
  }

  .lede br {
    display: none;
  }

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

  .block-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

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

  .branch-draw path {
    stroke-dashoffset: 0;
  }

  .nodes .node {
    opacity: 1;
  }
}