/* Sub-page-only overrides on top of /styles/site.css */

.subpage-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 32px;
  background: color-mix(in srgb, var(--pc-bg) 80%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--pc-border);
}
.subpage-nav .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--pc-font-display);
  font-weight: 600;
  font-size: 16px;
  color: var(--pc-fg);
  text-decoration: none;
}
.subpage-nav .brand img { width: 28px; height: 28px; }
.subpage-nav__back {
  font-family: var(--pc-font-mono);
  font-size: 13px;
  color: var(--pc-fg-muted);
  text-decoration: none;
  transition: color 200ms var(--pc-ease-magnetic);
}
.subpage-nav__back:hover { color: var(--pc-navy); }

.subpage-hero {
  padding: 96px 0 64px;
  background: linear-gradient(180deg, var(--pc-bg-alt) 0%, var(--pc-bg) 100%);
  position: relative;
  overflow: hidden;
}
.subpage-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 80% 20%,
      color-mix(in srgb, var(--pc-navy) 6%, transparent) 0%, transparent 70%);
  pointer-events: none;
}
.subpage-hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
}
.subpage-hero__copy { max-width: 580px; }
.subpage-hero h1 {
  font-family: var(--pc-font-display);
  font-size: clamp(40px, 5vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 16px 0 24px;
  color: var(--pc-fg);
}
.subpage-hero .lede {
  font-size: 18px;
  line-height: 1.55;
  color: var(--pc-fg-muted);
  margin: 0 0 32px;
}
.subpage-hero__img {
  aspect-ratio: 1;
  border-radius: var(--pc-radius-lg);
  overflow: hidden;
  background: var(--pc-bg-alt);
  border: 1px solid var(--pc-border);
}
.subpage-hero__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.subpage-section {
  padding: 80px 0;
}
.subpage-section h2 {
  font-family: var(--pc-font-display);
  font-size: clamp(28px, 3vw, 40px);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin: 0 0 24px;
  color: var(--pc-fg);
}
.subpage-section p {
  font-size: 17px;
  line-height: 1.6;
  color: var(--pc-fg-muted);
  margin: 0 0 16px;
  max-width: 720px;
}
.subpage-section ul {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  display: grid;
  gap: 12px;
}
.subpage-section ul li {
  position: relative;
  padding-left: 28px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--pc-fg);
}
.subpage-section ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--pc-orange);
  font-family: var(--pc-font-mono);
}

.subpage-steps {
  display: grid;
  gap: 16px;
  margin-top: 32px;
}
.subpage-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--pc-border);
  border-radius: 12px;
  background: var(--pc-bg);
  transition: border-color 220ms var(--pc-ease-magnetic),
              transform 220ms var(--pc-ease-magnetic);
}
.subpage-step:hover {
  border-color: color-mix(in srgb, var(--pc-navy) 40%, var(--pc-border));
  transform: translateY(-1px);
}
.subpage-step__num {
  font-family: var(--pc-font-mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--pc-navy);
  line-height: 1;
}
.subpage-step h3 {
  font-family: var(--pc-font-display);
  font-size: 20px;
  margin: 0 0 6px;
  color: var(--pc-fg);
}
.subpage-step p {
  font-size: 15px;
  line-height: 1.5;
  color: var(--pc-fg-muted);
  margin: 0;
}

.subpage-final {
  padding: 80px 0;
  background: var(--pc-bg-alt);
  text-align: center;
}
.subpage-final h2 {
  font-family: var(--pc-font-display);
  font-size: clamp(28px, 3vw, 40px);
  margin: 0 0 16px;
  color: var(--pc-fg);
}
.subpage-final p {
  font-size: 17px;
  color: var(--pc-fg-muted);
  margin: 0 0 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.subpage-final .btn-primary {
  font-size: 16px;
  padding: 14px 28px;
}

@media (max-width: 900px) {
  .subpage-hero .container { grid-template-columns: 1fr; gap: 32px; }
  .subpage-hero { padding: 64px 0 48px; }
  .subpage-section { padding: 56px 0; }
}