/* ============================================================
   NovaYield — corporate dark theme
   Palette lifted from the NovaYield deck + logo mark
   ============================================================ */

:root {
  /* surface */
  --canvas:      #0F172A;
  --canvas-deep: #0A1020;
  --panel:       #141F38;
  --panel-2:     #1A2742;
  --line:        #24344F;
  --line-soft:   #1C2A44;

  /* ink */
  --ink:         #F8FAFC;
  --ink-muted:   #94A3B8;
  --ink-dim:     #64748B;

  /* brand */
  --green:       #72BF44;   /* logo mark green */
  --green-bright:#8FD95E;
  --green-deep:  #3F7F26;
  --coral:       #E06A5A;   /* deck's warning red */

  /* type */
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* rhythm */
  --gutter: clamp(20px, 5vw, 72px);
  --maxw: 1200px;
  --radius: 3px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* faint blueprint grid, echoing the deck's title slide */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(148,163,184,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148,163,184,.055) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 85%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 85%);
}

main, header, footer { position: relative; z-index: 1; }

a { color: inherit; }

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

/* ---------- layout helpers ---------- */

.wrap {
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

section { padding-block: clamp(56px, 8vw, 104px); }
section + section { border-top: 1px solid var(--line-soft); }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--line), transparent);
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0; }

h2.section-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 700;
  margin-bottom: 14px;
}

.lede {
  color: var(--ink-muted);
  font-size: clamp(15px, 1.5vw, 17px);
  max-width: 68ch;
  margin: 0;
}

.accent { color: var(--green); }
.alert  { color: var(--coral); }

/* ---------- header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.02em;
}
.brand img { width: 26px; height: 26px; display: block; }
.brand .y { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  display: block;
  padding: 8px 14px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-muted);
  border-radius: var(--radius);
  transition: color .18s ease, background .18s ease;
}
.nav-links a:hover { color: var(--ink); background: var(--panel); }
.nav-links a[aria-current="page"] { color: var(--ink); }
.nav-links a[aria-current="page"]::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 5px;
  background: var(--green);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  padding: 7px 11px;
  font-size: 15px;
  cursor: pointer;
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--canvas-deep);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 0; }
  .nav-links a[aria-current="page"]::after { width: 28px; }
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform .16s ease, background .18s ease, border-color .18s ease;
}
.btn-primary {
  background: var(--green);
  color: #08140A;
  box-shadow: 0 0 0 1px rgba(114,191,68,.35), 0 14px 34px -18px rgba(114,191,68,.9);
}
.btn-primary:hover { background: var(--green-bright); transform: translateY(-2px); }
.btn-ghost {
  border-color: var(--line);
  color: var(--ink-muted);
}
.btn-ghost:hover { border-color: var(--green); color: var(--ink); }

/* ---------- hero ---------- */

.hero { padding-block: clamp(64px, 11vw, 132px); overflow: hidden; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.hero h1 {
  font-size: clamp(34px, 5.4vw, 60px);
  font-weight: 800;
  margin-bottom: 22px;
}
.hero p.sub {
  color: var(--ink-muted);
  font-size: clamp(15px, 1.6vw, 18px);
  max-width: 58ch;
  margin: 0 0 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-meta {
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 26px 44px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.hero-meta span { display: block; }
.hero-meta b {
  display: block;
  font-family: var(--sans);
  font-size: 22px;
  letter-spacing: -.01em;
  text-transform: none;
  color: var(--ink);
  margin-bottom: 2px;
}

/* hero side panel: live-ish telemetry readout */
.telemetry {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(114,191,68,.06), transparent 45%),
    var(--panel);
  padding: 20px;
  font-family: var(--mono);
  font-size: 12.5px;
}
.telemetry .t-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-dim);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  display: inline-block;
  margin-right: 7px;
  box-shadow: 0 0 0 0 rgba(114,191,68,.6);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 8px rgba(114,191,68,0); }
  100% { box-shadow: 0 0 0 0 rgba(114,191,68,0); }
}
.t-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
  color: var(--ink-muted);
}
.t-row:last-child { border-bottom: 0; }
.t-row b { color: var(--ink); font-weight: 600; }
.t-row .up { color: var(--green); }
.t-row .down { color: var(--coral); }

/* ---------- the loss stat ---------- */

.loss {
  display: grid;
  grid-template-columns: minmax(240px, .8fr) 1.2fr;
  gap: clamp(24px, 5vw, 64px);
  align-items: start;
}
@media (max-width: 820px) { .loss { grid-template-columns: 1fr; } }

.loss-figure {
  font-size: clamp(60px, 11vw, 116px);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.045em;
  color: var(--coral);
}
.loss-figure small {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 16px;
  line-height: 1.7;
}
.loss p { color: var(--ink-muted); }
.loss p + p { margin-top: 16px; }

/* ---------- cards ---------- */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 26px 26px 28px;
  position: relative;
  transition: border-color .2s ease, transform .2s ease, background .2s ease;
}
.card:hover {
  border-color: rgba(114,191,68,.55);
  background: var(--panel-2);
  transform: translateY(-3px);
}
.card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 12px;
}
.card p { margin: 0; color: var(--ink-muted); font-size: 15px; }
.card .tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--ink-dim);
  display: block;
  margin-bottom: 10px;
}

/* ---------- comparison pair ---------- */

.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .pair { grid-template-columns: 1fr; } }

.pair-box {
  border: 1px solid var(--line);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 30px;
}
.pair-box.good { border-left-color: var(--green); }
.pair-box p { margin: 0; font-size: 17px; line-height: 1.7; color: var(--ink-muted); }
.pair-box strong { color: var(--ink); font-weight: 700; }

/* ---------- flow diagram (technology page signature) ---------- */

.flow {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: clamp(18px, 3vw, 32px);
}
.flow svg { width: 100%; height: auto; display: block; }
.flow-node rect { fill: var(--panel-2); stroke: var(--line); }
.flow-node.live rect { stroke: var(--green); }
.flow-node .n-label { fill: var(--ink); font-size: 13px; font-weight: 700; font-family: var(--sans); }
.flow-node.live .n-label { fill: var(--green); }
.flow-node .n-sub { fill: var(--ink-dim); font-size: 10px; font-family: var(--mono); letter-spacing: .08em; }
.flow-path { stroke: var(--line); stroke-width: 1.5; fill: none; }
.flow-path.live { stroke: var(--green); }
.flow-pulse {
  fill: var(--green);
  offset-path: var(--path);
  animation: travel 6s linear infinite;
}
@keyframes travel { to { offset-distance: 100%; } }
.flow-caption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 18px;
  text-align: center;
}

/* ---------- spec list ---------- */

.spec {
  border-top: 1px solid var(--line-soft);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding: 22px 0;
}
.spec:last-of-type { border-bottom: 1px solid var(--line-soft); }
@media (max-width: 720px) { .spec { grid-template-columns: 1fr; gap: 8px; } }
.spec dt {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--green);
  padding-top: 3px;
}
.spec dd { margin: 0; color: var(--ink-muted); font-size: 15px; }
.spec dd code {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 1px 6px;
}

/* ---------- roles / checklist ---------- */

.role {
  border-left: 2px solid var(--line);
  padding: 4px 0 4px 22px;
  margin-bottom: 26px;
  transition: border-color .2s ease;
}
.role:hover { border-left-color: var(--green); }
.role h3 { font-size: 16px; margin-bottom: 6px; }
.role p { margin: 0; color: var(--ink-muted); font-size: 15px; }

.checks { list-style: none; margin: 0; padding: 0; }
.checks li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: 15px;
}
.checks li:last-child { border-bottom: 0; }
.checks li::before {
  content: "";
  width: 9px; height: 9px;
  margin-top: 8px;
  border: 1.5px solid var(--green);
  transform: rotate(45deg);
}
.checks b { color: var(--ink); display: block; font-weight: 600; }

/* ---------- closing CTA ---------- */

.closer {
  text-align: center;
  background:
    radial-gradient(ellipse 60% 100% at 50% 100%, rgba(114,191,68,.10), transparent 70%),
    var(--canvas-deep);
  border-top: 1px solid var(--line-soft);
}
.closer h2 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  margin-bottom: 14px;
}
.closer p { color: var(--ink-muted); margin: 0 0 30px; }

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line-soft);
  background: var(--canvas-deep);
  padding-block: 40px;
  font-size: 13px;
  color: var(--ink-dim);
}
.footer-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
  align-items: flex-end;
}
.footer-grid a { color: var(--ink-muted); text-decoration: none; }
.footer-grid a:hover { color: var(--green); }
.contact-line { font-family: var(--mono); font-size: 12.5px; line-height: 1.9; color: var(--ink-muted); }
.by { text-align: right; }
.by strong { color: var(--ink-muted); font-weight: 700; }
.by em { display: block; font-style: italic; font-size: 12px; }

/* ---------- scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.shown { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}