/* Nimbus Agent — cumulonimbus hangar. Redesign marker: nimbus-thunderhead-hangar */
/* Desktop-first 1080–1440. System fonts only. Cool steel sky, not cream desk, not orange mesh. */

:root {
  --sky: #c5d6e6;
  --sky-deep: #9bb4c9;
  --hail: #f3f7fb;
  --ink: #132033;
  --mute: #5a6e82;
  --line: #b7c8d8;
  --navy: #152536;
  --navy-2: #1c3348;
  --cobalt: #1d5cb5;
  --flash: #8ec0ff;
  --virga: #7a96ad;
  --ok: #2f8a6a;
  --fail: #b5473d;
  --radius: 14px;
  --sans: "Avenir Next", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
  --mono: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.55;
  background:
    radial-gradient(900px 420px at 88% -8%, rgba(142, 192, 255, 0.45), transparent 55%),
    linear-gradient(180deg, #d7e4ef 0%, var(--sky) 38%, #b9cce0 100%);
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
  background:
    repeating-linear-gradient(
      180deg,
      transparent 0 46px,
      rgba(19, 32, 51, 0.035) 46px 47px
    );
  mask-image: linear-gradient(180deg, #000 0%, transparent 72%);
}

::selection {
  background: rgba(29, 92, 181, 0.22);
  color: var(--ink);
}

a {
  color: var(--cobalt);
  text-underline-offset: 0.18em;
}

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

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

.wrap {
  width: min(var(--max), calc(100% - 5rem));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(197, 214, 230, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0.9rem 0;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.wordmark svg {
  width: 28px;
  height: 28px;
  display: block;
}

.nav-toggle {
  display: none;
  background: var(--hail);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.88rem;
}

.nav-list a {
  color: var(--mute);
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--ink);
}

.nav-list .btn {
  color: #f7fbff;
}

.nav-list .btn:hover {
  color: #fff;
}

.btn {
  display: inline-block;
  background: var(--cobalt);
  color: #f7fbff;
  text-decoration: none;
  padding: 0.55rem 1.05rem;
  border-radius: 10px;
  border: 1px solid var(--cobalt);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  filter: brightness(1.08);
  color: #fff;
}

.btn:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.btn-ghost:hover {
  filter: none;
  background: rgba(243, 247, 251, 0.7);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.6rem;
  align-items: center;
  padding: 4.4rem 0 3rem;
}

.kicker {
  margin: 0 0 0.7rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cobalt);
}

.hero h1,
.page h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5.4vw, 4.2rem);
  letter-spacing: -0.038em;
  line-height: 1.02;
  font-weight: 650;
}

.lede {
  margin: 1.05rem 0 1.35rem;
  color: var(--mute);
  max-width: 36rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 1.2rem;
}

.cli {
  font-family: var(--mono);
  font-size: 0.82rem;
  background: var(--navy);
  color: #d7e8f6;
  border-radius: 12px;
  padding: 0.85rem 1rem;
  overflow: auto;
  border: 1px solid #2a455c;
  max-width: 28rem;
}

.cli .prompt {
  color: var(--flash);
}

.hangar {
  background: var(--navy);
  border: 1px solid #2a455c;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 28px 50px rgba(19, 32, 51, 0.18);
}

.hangar svg {
  width: 100%;
  height: auto;
  display: block;
}

.cloud {
  animation: drift 18s ease-in-out infinite alternate;
}

.bolt {
  animation: flash 3.6s ease-in-out infinite;
}

.virga {
  animation: fall 4.2s linear infinite;
}

@keyframes drift {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(10px);
  }
}

@keyframes flash {
  0%,
  86%,
  100% {
    opacity: 0.35;
  }
  90%,
  94% {
    opacity: 1;
  }
}

@keyframes fall {
  from {
    transform: translateY(-6px);
    opacity: 0.15;
  }
  to {
    transform: translateY(10px);
    opacity: 0.7;
  }
}

.band {
  padding: 0 0 3.8rem;
}

.band h2,
.page h2 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.55rem, 2.8vw, 2.2rem);
  letter-spacing: -0.03em;
}

.sub {
  color: var(--mute);
  margin: 0 0 1.4rem;
  max-width: 40rem;
}

.marquee {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(243, 247, 251, 0.55);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0.7rem;
  padding: 0.85rem 0;
  animation: marquee 28s linear infinite;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--hail);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.4rem 0.85rem 0.4rem 0.55rem;
  font-size: 0.86rem;
  color: var(--ink);
  white-space: nowrap;
}

.chip svg {
  width: 18px;
  height: 18px;
  display: block;
  flex: none;
}

.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.card {
  background: rgba(243, 247, 251, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.05rem 1.1rem 1.15rem;
}

.card.span-2 {
  grid-column: span 2;
}

.card h3 {
  margin: 0.35rem 0 0.4rem;
  font-size: 1.05rem;
}

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

.card svg.icon {
  width: 36px;
  height: 36px;
  display: block;
}

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

.deck-art {
  background: var(--navy);
  border-radius: var(--radius);
  border: 1px solid #2a455c;
  overflow: hidden;
}

.deck-art svg {
  width: 100%;
  height: auto;
  display: block;
}

.log {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  border-left: 1px solid var(--line);
}

.log li {
  padding: 0.85rem 0 0.85rem 1.2rem;
  position: relative;
}

.log li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.15rem;
  width: 9px;
  height: 9px;
  background: var(--cobalt);
  border-radius: 50%;
}

.log time {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cobalt);
  margin-bottom: 0.2rem;
}

.community-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.4rem;
}

.note {
  background: rgba(243, 247, 251, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
}

.cta-band {
  background: var(--navy);
  color: #e8f1f8;
  border-radius: 18px;
  padding: 2.2rem 2rem;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1.4rem;
  align-items: center;
}

.cta-band h2 {
  color: #fff;
}

.cta-band .sub {
  color: #a9c0d4;
}

.cta-band .btn {
  justify-self: end;
}

.cta-band .kicker {
  color: var(--flash);
}

.page {
  padding: 3.2rem 0 4.4rem;
}

.page-hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.page-hero svg {
  width: 100%;
  height: auto;
  display: block;
  background: var(--navy);
  border-radius: var(--radius);
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.doc-grid pre {
  margin: 0.6rem 0 0;
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--navy);
  color: #d7e8f6;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  overflow: auto;
}

form {
  display: grid;
  gap: 0.4rem;
  max-width: 28rem;
}

label {
  margin-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
}

input,
textarea,
select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--hail);
  color: var(--ink);
  font: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--cobalt);
  outline-offset: 1px;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0 2.6rem;
  font-size: 0.86rem;
  color: var(--mute);
  position: relative;
  z-index: 1;
}

.foot-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.3rem;
}

.site-footer a {
  color: var(--mute);
  text-decoration: none;
}

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

.site-footer strong {
  display: block;
  color: var(--ink);
  margin-bottom: 0.4rem;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .cloud,
  .bolt,
  .virga,
  .marquee-track,
  .reveal {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 800px) {
  .wrap {
    width: min(var(--max), calc(100% - 1.5rem));
  }
  .nav-toggle {
    display: inline-block;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .nav-list {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.55rem;
  }
  .nav-list.is-open {
    display: flex;
  }
  .hero,
  .bento,
  .decks,
  .community-grid,
  .cta-band,
  .page-hero,
  .doc-grid,
  .foot-grid {
    grid-template-columns: 1fr;
  }
  .card.span-2 {
    grid-column: auto;
  }
  .cta-band .btn {
    justify-self: start;
  }
  .hero {
    padding-top: 2.2rem;
  }
}