:root {
  --bg: #f2f6ff;
  --bg-alt: #e7eefc;
  --panel: rgba(255, 255, 255, 0.84);
  --panel-strong: rgba(255, 255, 255, 0.95);
  --ink: #0a1428;
  --muted: #4d5e7c;
  --primary: #0a7dff;
  --accent: #00c39a;
  --signal: #ff6a3d;
  --line: rgba(81, 104, 145, 0.24);
  --hero-a: #061430;
  --hero-b: #0c2854;
  --hero-c: #153f74;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 24px 50px rgba(9, 18, 36, 0.14);
  --container: 1140px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 12%, rgba(10, 125, 255, 0.16), transparent 45%),
    radial-gradient(circle at 84% 8%, rgba(0, 195, 154, 0.15), transparent 42%),
    linear-gradient(180deg, var(--bg), var(--bg-alt));
  line-height: 1.55;
  overflow-x: hidden;
}

h1,
h2,
h3,
.eyebrow,
.brand-text,
.metric-value,
.step-num {
  font-family: "Sora", "Trebuchet MS", sans-serif;
  letter-spacing: 0.01em;
}

a {
  color: inherit;
}

.site-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
  overflow: hidden;
}

.grid-bg {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.25;
}

.noise {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(7, 16, 33, 0.08) 0.65px, transparent 0.65px);
  background-size: 5px 5px;
  opacity: 0.28;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(34px);
  opacity: 0.28;
}

.blob-a {
  width: min(55vw, 560px);
  aspect-ratio: 1;
  background: #2f8eff;
  top: -170px;
  left: -120px;
  animation: drift 14s ease-in-out infinite;
}

.blob-b {
  width: min(50vw, 520px);
  aspect-ratio: 1;
  background: #14cba3;
  right: -130px;
  top: 24%;
  animation: drift 16s ease-in-out infinite reverse;
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-16px) scale(1.04);
  }
}

.topbar-wrap {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: 1rem 1.2rem;
}

.topbar {
  max-width: var(--container);
  margin: 0 auto;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.78rem 1.05rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  transition: border-color 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.topbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  border-color: rgba(81, 104, 145, 0.28);
  box-shadow: 0 10px 28px rgba(9, 18, 36, 0.12);
  backdrop-filter: blur(10px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.74rem;
  text-decoration: none;
}

.brand-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 0 2px rgba(10, 125, 255, 0.2);
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-text {
  font-size: 1.2rem;
  font-weight: 800;
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.2rem 0;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.menu-toggle {
  display: none;
  border: 1px solid rgba(81, 104, 145, 0.35);
  background: rgba(255, 255, 255, 0.88);
  border-radius: 12px;
  width: 42px;
  height: 42px;
  color: var(--ink);
  font-size: 1.12rem;
  cursor: pointer;
}

.btn {
  border: none;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 0.72rem 1.18rem;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.btn-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), #00a0ff);
  box-shadow: 0 10px 24px rgba(10, 125, 255, 0.34);
}

.btn-soft {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(81, 104, 145, 0.32);
}

.btn-github {
  white-space: nowrap;
}

.btn-accent {
  color: #04392f;
  background: linear-gradient(135deg, var(--accent), #56f6cf);
  box-shadow: 0 10px 24px rgba(0, 195, 154, 0.32);
}

main {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.2rem 4rem;
}

.section {
  padding: clamp(2.3rem, 5vw, 5rem) 0;
}

.hero {
  border-radius: calc(var(--radius) + 6px);
  padding: clamp(1.4rem, 3vw, 2rem);
  background: linear-gradient(135deg, var(--hero-a), var(--hero-b) 52%, var(--hero-c));
  color: #eff6ff;
  border: 1px solid rgba(152, 193, 255, 0.36);
  box-shadow: 0 34px 66px rgba(6, 20, 48, 0.36);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 1.4rem;
  align-items: stretch;
}

.hero-copy-block {
  display: grid;
  align-content: center;
  gap: 1rem;
}

.eyebrow {
  margin: 0;
  color: #95bbff;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5.6vw, 4rem);
  line-height: 1.03;
  max-width: 14ch;
}

.hero p {
  margin: 0;
  color: #d2e1ff;
  max-width: 56ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 0.45rem;
}

.hero-panel {
  border-radius: var(--radius);
  padding: 1.1rem;
  background: linear-gradient(160deg, rgba(20, 55, 108, 0.88), rgba(12, 40, 82, 0.72));
  border: 1px solid rgba(152, 193, 255, 0.35);
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.hero-figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(152, 193, 255, 0.34);
  background: rgba(7, 16, 33, 0.28);
}

.hero-figure img {
  width: 100%;
  display: block;
  max-height: 220px;
  object-fit: cover;
}

.hero-figure figcaption {
  margin: 0;
  padding: 0.5rem 0.65rem;
  color: #d2e1ff;
  font-size: 0.74rem;
}

.hero-panel h2 {
  margin: 0;
  font-size: 1.02rem;
}

.hero-panel p {
  color: #c4d8ff;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag {
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(152, 193, 255, 0.36);
  color: #d7e5ff;
  font-size: 0.75rem;
}

.cmd {
  margin: 0;
  background: rgba(5, 17, 38, 0.82);
  color: #b8f8e4;
  border-radius: 12px;
  border: 1px solid rgba(152, 193, 255, 0.28);
  padding: 0.72rem;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.82rem;
  overflow-x: auto;
}

.metrics {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-card {
  border-radius: var(--radius-sm);
  background: var(--panel);
  border: 1px solid rgba(81, 104, 145, 0.28);
  box-shadow: var(--shadow);
  padding: 0.9rem;
}

.metric-value {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

.metric-label {
  margin: 0.3rem 0 0;
  font-size: 0.86rem;
  color: var(--muted);
}

.section-head {
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0.4rem 0 0;
  font-size: clamp(1.4rem, 3.4vw, 2.45rem);
  max-width: 18ch;
}

.section-intro {
  margin: 0.55rem 0 0;
  color: var(--muted);
  max-width: 64ch;
}

.grid-3,
.grid-2,
.card-grid {
  display: grid;
  gap: 0.9rem;
}

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

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

.card {
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(81, 104, 145, 0.28);
  box-shadow: var(--shadow);
  padding: 1rem;
}

.media-card {
  margin: 0;
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(81, 104, 145, 0.28);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.media-card img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.media-card figcaption {
  margin: 0;
  padding: 0.72rem 0.85rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  font-size: 1.02rem;
}

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

.card ul {
  margin: 0.65rem 0 0;
  padding-left: 1rem;
  color: var(--muted);
}

.card ul li + li {
  margin-top: 0.38rem;
}

.card .btn {
  margin-top: 0.8rem;
}

.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 0.95rem;
  align-items: start;
}

.list-clean {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.list-clean li + li {
  margin-top: 0.5rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.timeline li {
  border-radius: var(--radius);
  background: var(--panel);
  border: 1px solid rgba(81, 104, 145, 0.28);
  box-shadow: var(--shadow);
  padding: 0.95rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.95rem;
  align-items: start;
}

.step-num {
  width: 2.45rem;
  aspect-ratio: 1;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  color: #ffffff;
  background: linear-gradient(145deg, var(--primary), var(--accent));
}

.timeline h3 {
  margin: 0;
  font-size: 1rem;
}

.timeline p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.shell {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid rgba(81, 104, 145, 0.3);
  background: #0a1223;
  color: #d8e7ff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.shell-head {
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid rgba(145, 170, 210, 0.34);
  background: linear-gradient(90deg, rgba(10, 125, 255, 0.28), rgba(0, 195, 154, 0.24));
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-family: "JetBrains Mono", "Consolas", monospace;
  font-size: 0.78rem;
}

.shell-dot {
  width: 0.55rem;
  aspect-ratio: 1;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
}

.shell code {
  display: block;
  padding: 0.9rem;
  font-family: "JetBrains Mono", "Consolas", monospace;
  white-space: pre;
  overflow-x: auto;
  font-size: 0.8rem;
}

.callout {
  border-radius: var(--radius);
  padding: 1.05rem;
  background: linear-gradient(145deg, rgba(8, 125, 255, 0.12), rgba(0, 195, 154, 0.13));
  border: 1px solid rgba(81, 104, 145, 0.3);
}

.callout h3 {
  margin: 0;
}

.callout p {
  margin: 0.55rem 0 0;
  color: var(--muted);
}

.inline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.65rem;
}

.inline-tags span {
  border: 1px solid rgba(81, 104, 145, 0.3);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  font-size: 0.75rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.7);
}

.fun-note {
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(81, 104, 145, 0.45);
  background: rgba(255, 255, 255, 0.74);
  padding: 0.75rem;
  color: var(--muted);
}

.fun-note p {
  margin: 0;
  font-size: 0.88rem;
}

.fun-note small {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.74rem;
  opacity: 0.84;
}

.cta {
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(135deg, #061430, #12346c);
  border: 1px solid rgba(152, 193, 255, 0.38);
  color: #eef5ff;
  padding: clamp(1.4rem, 3.5vw, 2.3rem);
  box-shadow: 0 30px 62px rgba(6, 20, 48, 0.4);
  text-align: center;
}

.cta h2 {
  margin: 0.45rem auto 1rem;
  max-width: 20ch;
  font-size: clamp(1.4rem, 3vw, 2.3rem);
}

.cta p {
  margin: 0;
  color: #ccdefc;
}

.footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.2rem 2.2rem;
}

.footer-panel {
  border-radius: var(--radius);
  padding: 1rem;
  background: var(--panel);
  border: 1px solid rgba(81, 104, 145, 0.28);
  box-shadow: var(--shadow);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.7rem 1rem;
}

.footer-panel p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
}

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

.reveal {
  opacity: 0;
  transform: translateY(16px) scale(0.985);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.21, 0.83, 0.22, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.page-hero h1 {
  max-width: 16ch;
}

.kbd {
  font-family: "JetBrains Mono", "Consolas", monospace;
  border-radius: 8px;
  padding: 0.14rem 0.4rem;
  border: 1px solid rgba(81, 104, 145, 0.35);
  background: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  color: var(--ink);
}

.table-like {
  display: grid;
  gap: 0.55rem;
}

.table-row {
  border-radius: 12px;
  border: 1px solid rgba(81, 104, 145, 0.28);
  background: rgba(255, 255, 255, 0.75);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0.65rem;
  padding: 0.8rem;
}

.table-row strong {
  font-size: 0.92rem;
}

.table-row span {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1020px) {
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 860px) {
  .topbar {
    border-radius: 18px;
    flex-wrap: wrap;
  }

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

  .nav-shell {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding-top: 0.6rem;
  }

  .nav-shell.open {
    display: flex;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem;
  }

  .nav-links a {
    padding: 0.5rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(81, 104, 145, 0.2);
  }

  .nav-links a.active::after {
    display: none;
  }

  .topbar .btn {
    width: 100%;
  }
}

@media (max-width: 680px) {
  .grid-3,
  .grid-2,
  .metrics,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .timeline li {
    grid-template-columns: 1fr;
  }

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

  .hero {
    padding: 1.1rem;
  }

  .hero h1 {
    max-width: 100%;
  }
}

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