:root {
  color-scheme: dark;
  --ink: #fafafa;
  --muted: #a9bfcc;
  --pale: #d7e5eb;
  --blue: #55d6f2;
  --blue-deep: #193449;
  --night: #07131d;
  --night-2: #0b1d2a;
  --panel: #0d2535;
  --panel-soft: #102d40;
  --line: rgba(215, 229, 235, 0.2);
  --warm: #ff8278;
  --focus: #ffd166;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(85, 214, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(85, 214, 242, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 85% 8%, rgba(85, 214, 242, 0.12), transparent 28rem),
    var(--night);
  background-size: 2.5rem 2.5rem, 2.5rem 2.5rem, auto, auto;
  line-height: 1.65;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--blue); text-underline-offset: 0.22em; }
a:hover { color: var(--focus); }
a:focus-visible,
.button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 4px;
  border-radius: 0.2rem;
}
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; }
code { color: #a8ecfb; }
pre {
  max-width: 100%;
  margin: 0.8rem 0 0;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #030b11;
  white-space: pre;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -6rem;
  z-index: 30;
  padding: 0.8rem 1rem;
  background: var(--focus);
  color: #111;
  font-weight: 800;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 19, 29, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}
nav {
  max-width: 78rem;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-decoration: none;
}
.brand img { width: 2.5rem; height: 2.5rem; border-radius: 0.45rem; }
.nav-links { display: flex; flex-wrap: wrap; gap: 0.55rem 1.1rem; }
.nav-links a { color: var(--pale); font-weight: 750; text-decoration: none; }
.nav-links a:hover { color: var(--blue); }

main { overflow: hidden; }
.hero,
.section {
  max-width: 78rem;
  margin: 0 auto;
  padding: 6rem 1.5rem;
}
.section { border-top: 1px solid var(--line); }
.hero {
  min-height: calc(100vh - 4.25rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
  padding-top: 7.5rem;
  padding-bottom: 7.5rem;
}
.hero-copy { position: relative; z-index: 1; }
.eyebrow {
  margin: 0 0 1rem;
  color: var(--warm);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.08; letter-spacing: -0.025em; }
h1 { margin: 0; max-width: 12ch; font-size: clamp(3.1rem, 7.4vw, 6.8rem); }
h2 { margin: 0; max-width: 18ch; font-size: clamp(2.2rem, 4.8vw, 4.5rem); }
h3 { margin: 0 0 0.7rem; font-size: 1.35rem; }
.lede {
  max-width: 43rem;
  margin: 2rem 0;
  color: var(--pale);
  font-size: clamp(1.12rem, 2.1vw, 1.45rem);
}
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin: 2.1rem 0 1.3rem; }
.button {
  display: inline-block;
  padding: 0.88rem 1.15rem;
  border: 2px solid var(--blue);
  font-weight: 850;
  text-decoration: none;
}
.button.primary { color: #061219; background: var(--blue); }
.button.primary:hover { color: #061219; background: var(--focus); border-color: var(--focus); }
.button.secondary { color: var(--blue); background: rgba(7, 19, 29, 0.35); }
.button.secondary:hover { color: var(--focus); border-color: var(--focus); }
.quiet { color: var(--muted); font-size: 0.95rem; }

.hero-visual,
.capability-visual {
  margin: 0;
  position: relative;
  border: 1px solid rgba(85, 214, 242, 0.38);
  background: #020b11;
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.45), inset 0 0 3rem rgba(85, 214, 242, 0.08);
}
.hero-visual::before,
.hero-visual::after,
.capability-visual::before,
.capability-visual::after {
  content: "";
  position: absolute;
  width: 4rem;
  height: 4rem;
  pointer-events: none;
}
.hero-visual::before,
.capability-visual::before { left: -0.55rem; top: -0.55rem; border-left: 2px solid var(--warm); border-top: 2px solid var(--warm); }
.hero-visual::after,
.capability-visual::after { right: -0.55rem; bottom: -0.55rem; border-right: 2px solid var(--blue); border-bottom: 2px solid var(--blue); }
figcaption { padding: 0.8rem 1rem; color: var(--muted); font-size: 0.9rem; }

.section-heading { max-width: 54rem; margin-bottom: 3rem; }
.section-heading > p:last-child,
.reminder-copy > p { color: var(--muted); font-size: 1.06rem; }
.detail-link { margin: 1.7rem 0 0; font-weight: 780; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}
.steps > li {
  min-width: 0;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 1.1rem;
  padding: 1.4rem;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(16, 45, 64, 0.9), rgba(9, 27, 39, 0.76));
}
.steps > li > div { min-width: 0; }
.steps > li > span {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--blue);
  color: var(--blue);
  font-weight: 900;
}
.steps p { margin: 0; color: var(--muted); }

.prompt-section {
  max-width: none;
  padding-left: max(1.5rem, calc((100vw - 75rem) / 2));
  padding-right: max(1.5rem, calc((100vw - 75rem) / 2));
  background: var(--pale);
  color: #0b1720;
}
.prompt-section .eyebrow { color: #962f28; }
.prompt-section blockquote {
  max-width: 68rem;
  margin: 2rem 0;
  padding: 1.6rem 1.8rem;
  border-left: 0.45rem solid #a43830;
  background: #fff;
  box-shadow: 0 1rem 3rem rgba(25, 52, 73, 0.14);
  font-size: clamp(1.07rem, 2.1vw, 1.3rem);
}
.prompt-section code { color: #07576b; font-weight: 800; }
.prompt-section a { color: #174f62; }
.prompt-section a:hover { color: #8f2f29; }
.success-grid,
.component-grid,
.recovery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.success-grid article { padding: 1.3rem; border: 1px solid rgba(11, 23, 32, 0.22); background: rgba(255, 255, 255, 0.5); }
.success-grid p { margin: 0; color: #425460; }

.reminder-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(21rem, 0.72fr);
  gap: clamp(2.5rem, 7vw, 7rem);
  align-items: center;
}
.reminder-copy h2 { margin-bottom: 1.5rem; }
.capability-visual { max-width: 34rem; justify-self: end; }
.claim-box {
  margin: 1.7rem 0;
  padding: 1.25rem;
  border-left: 0.35rem solid var(--warm);
  background: rgba(16, 45, 64, 0.72);
}
.claim-box strong { color: var(--pale); }
.claim-box p { margin: 0.45rem 0 0; color: var(--muted); }

.faculty-groups { display: grid; gap: 1rem; }
.faculty-group {
  display: grid;
  grid-template-columns: minmax(10rem, 0.34fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: rgba(9, 27, 39, 0.74);
}
.group-label {
  margin: 0;
  color: var(--warm);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.faculty-group ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.05rem; }
.faculty-group li { display: grid; grid-template-columns: minmax(10rem, 0.38fr) minmax(0, 1fr); gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--line); }
.faculty-group li:last-child { padding-bottom: 0; border-bottom: 0; }
.faculty-group strong { color: var(--pale); }
.faculty-group span { color: var(--muted); }

.component-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.component-grid article,
.recovery-grid article {
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: rgba(9, 27, 39, 0.76);
}
.component-grid p,
.recovery-grid p { color: var(--muted); }
.component-version {
  margin: 0 0 2.5rem;
  color: var(--blue) !important;
  font: 800 0.86rem/1 ui-monospace, SFMono-Regular, Consolas, monospace;
}

.recovery { background: linear-gradient(180deg, transparent, rgba(255, 130, 120, 0.035)); }
.recovery-grid p { margin-bottom: 0; }

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.policy-grid article {
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--line);
  background: rgba(9, 27, 39, 0.74);
}
.policy-grid h2 { font-size: clamp(1.8rem, 3vw, 2.7rem); }
.policy-grid p:not(.eyebrow) { color: var(--muted); }

.download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.55fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.download > div > p:last-child { color: var(--muted); }
.download-actions { display: grid; gap: 0.9rem; align-items: start; }
.download-actions .button { text-align: center; }

footer {
  padding: 3rem 1.5rem;
  background: #030a0f;
  color: var(--muted);
  text-align: center;
  border-top: 1px solid var(--line);
}
footer img { width: 4rem; height: 4rem; margin: 0 auto 1rem; border-radius: 0.65rem; }
footer p { margin: 0.35rem 0; }
footer strong { color: var(--pale); }

@media (max-width: 64rem) {
  .hero,
  .reminder-section { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { max-width: 52rem; }
  .hero-visual { max-width: 48rem; }
  .capability-visual { max-width: 31rem; justify-self: start; }
  .success-grid,
  .recovery-grid,
  .policy-grid { grid-template-columns: 1fr; }
}

@media (max-width: 48rem) {
  .site-header { position: static; backdrop-filter: none; }
  nav { align-items: flex-start; flex-direction: column; }
  .nav-links { gap: 0.45rem 0.9rem; }
  .hero, .section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
  .hero { grid-template-columns: minmax(0, 1fr); }
  .steps > li { grid-template-columns: minmax(0, 1fr); }
  .faculty-group { grid-template-columns: 1fr; gap: 1rem; }
  .faculty-group li { grid-template-columns: 1fr; gap: 0.35rem; }
  .component-grid,
  .download { grid-template-columns: 1fr; }
}

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

@media (forced-colors: active) {
  .button,
  .hero-visual,
  .capability-visual,
  .steps > li,
  .faculty-group,
  .component-grid article,
  .recovery-grid article,
  .policy-grid article { border: 1px solid CanvasText; }
}