/* ============================================
   Header
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-header-bg); /* fallback for browsers without color-mix() */
  background: color-mix(in srgb, var(--color-header-bg) 92%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  padding: 0 var(--sp-5);
  max-width: var(--container-wide);
  margin: 0 auto;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-header-text);
  flex-shrink: 1;
  min-width: 0;
}

.site-brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.site-brand-mark svg { width: 18px; height: 18px; color: var(--color-bg); }

.site-name {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.025em;
  line-height: 1.2;
  /* Flex-fluid scaling so up to ~60 chars fits on desktop without wrapping */
  font-size: clamp(15px, 1.55vw, 22px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-header-text);
  min-width: 0;
  padding-block: 2px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-header .site-nav .menu a,
.site-header .nav-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--r-md);
  font-size: 15px;
  font-weight: var(--fw-semibold);
  color: var(--color-header-text);
  text-decoration: none;
  transition: background 120ms var(--ease-out), color 120ms var(--ease-out), opacity 120ms var(--ease-out);
  letter-spacing: -0.005em;
  opacity: 0.85;
}
.site-header .site-nav .menu a:hover,
.site-header .site-nav .menu li.current-menu-item > a,
.site-header .site-nav .menu li.current-menu-ancestor > a,
.site-header .nav-link:hover,
.site-header .nav-link.active {
  color: var(--color-nav-hover-text);
  background: var(--color-nav-hover-bg);
  opacity: 1;
}

.nav-cta {
  margin-left: 6px;
}

/* Hamburger */
.hamburger {
  display: none;
  margin-left: auto;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  padding: 8px;
  align-items: center;
  justify-content: center;
  color: var(--color-header-text);
  border-radius: var(--r-sm);
  transition: opacity 120ms var(--ease-out);
}
.hamburger:hover { opacity: 0.7; }

@media (max-width: 920px) {
  .site-nav { display: none; }
  .hamburger { display: inline-flex; }
  .site-header-inner { gap: var(--sp-3); }
}

/* Mobile nav — full-screen dropdown below header */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-header-bg);
  z-index: 150;
  overflow-y: auto;
  border-top: 1px solid rgba(128, 128, 128, 0.2);
}
.mobile-nav.open {
  display: block;
}
.mobile-nav-close {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-header-text);
  border-radius: var(--r-sm);
  transition: opacity 120ms var(--ease-out);
}
.mobile-nav-close:hover { opacity: 0.7; }
.mobile-nav .mobile-menu {
  list-style: none;
  margin: 0;
  padding: var(--sp-4);
  padding-top: calc(var(--sp-3) + 40px + var(--sp-3));
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mobile-nav .mobile-menu li a {
  display: block;
  padding: 14px 16px;
  font-size: var(--fs-lg);
  font-weight: var(--fw-semibold);
  border-radius: var(--r-md);
  color: var(--color-header-text);
  text-decoration: none;
  transition: background 120ms var(--ease-out), color 120ms var(--ease-out);
  opacity: 0.88;
}
.mobile-nav .mobile-menu li a:hover,
.mobile-nav .mobile-menu li.current-menu-item > a,
.mobile-nav .mobile-menu li.current-menu-ancestor > a {
  background: var(--color-nav-hover-bg);
  color: var(--color-nav-hover-text);
  opacity: 1;
}
.mobile-nav .sub-menu {
  list-style: none;
  margin: 2px 0 0;
  padding: 0 0 0 var(--sp-4);
}
.mobile-nav .sub-menu a {
  font-size: var(--fs-base);
  padding: 9px 16px;
  opacity: 0.7;
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  margin-top: var(--sp-9);
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  color: var(--color-footer-text);
}

.footer-warn {
  background: var(--color-footer-warn-bg);
  border-bottom: 1px solid var(--color-border);
}
.footer-warn-inner {
  padding: var(--sp-5) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  max-width: var(--container);
  margin: 0 auto;
}
.footer-warn-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-text);
  color: var(--color-bg);
  font-weight: var(--fw-extrabold);
  font-size: var(--fs-sm);
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.footer-warn-text {
  font-size: var(--fs-sm);
  color: var(--color-footer-warn-text);
  font-weight: var(--fw-semibold);
}
.footer-warn-text strong { font-weight: var(--fw-bold); }

.footer-main {
  padding: var(--sp-8) var(--sp-5) var(--sp-7);
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-5);
  text-align: center;
}

.footer-brand-center {
  font-family: var(--font-display);
  font-weight: var(--fw-extrabold);
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.025em;
  color: var(--color-footer-text);
  text-decoration: none;
  line-height: 1;
}
.footer-brand-center:hover { color: var(--color-footer-text); }

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--sp-4) var(--sp-5);
}
.footer-nav li {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-5);
}
.footer-nav li + li::before {
  content: "";
  width: 1px;
  height: 14px;
  background: var(--color-border-strong);
  display: inline-block;
}
.footer-nav a {
  color: var(--color-footer-text);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: color 120ms var(--ease-out);
  opacity: 0.75;
}
.footer-nav a:hover { color: var(--color-footer-text); opacity: 1; }

@media (max-width: 560px) {
  .footer-nav { gap: var(--sp-3) var(--sp-4); }
  .footer-nav li { gap: var(--sp-4); }
}

.footer-legal {
  border-top: 1px solid var(--color-border);
  padding: var(--sp-5);
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--color-text-subtle);
  max-width: var(--container);
  margin: 0 auto;
}
.footer-legal-row {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-4);
  flex-wrap: wrap;
  margin-bottom: var(--sp-3);
}
.footer-legal p { margin: 0 0 8px 0; }

/* ============================================
   Hero
   ============================================ */

.hero {
  background: var(--color-hero-bg);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  color: var(--color-hero-text);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, var(--color-accent-soft) 0%, transparent 50%),
    radial-gradient(circle at 10% 100%, var(--color-accent-2-soft) 0%, transparent 60%);
  opacity: 0.6;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: var(--sp-8) var(--sp-5);
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 240px;
}
.hero-eyebrow { margin-bottom: var(--sp-4); }
.hero h1 { max-width: 18ch; }
.hero-lead {
  margin-top: var(--sp-5);
  font-size: var(--fs-lg);
  line-height: var(--lh-base);
  color: var(--color-text-muted);
  max-width: 60ch;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  color: var(--color-text-subtle);
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb-sep { color: var(--color-border-strong); }

/* Shared single-column content width — matches .home-prose max-width */
.content-col {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}
.content-col .home-prose { max-width: none; }

/* ============================================
   Sidebar layout (post + page-with-sidebar)
   ============================================ */

.layout-with-sidebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--sp-8);
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-5);
}
@media (max-width: 960px) {
  .layout-with-sidebar { grid-template-columns: 1fr; gap: var(--sp-7); }
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  align-self: start;
  position: sticky;
  top: calc(var(--header-h) + 24px);
}
@media (max-width: 960px) {
  .sidebar { position: static; }
}

.widget {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
}
.widget-title {
  font-size: var(--fs-xs);
  font-weight: var(--fw-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-4);
}

/* TOC */
.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  color: var(--color-text-muted);
  font-size: 14px;
  text-decoration: none;
  line-height: 1.45;
  transition: all 120ms var(--ease-out);
}
.toc-list a:hover { background: var(--color-surface-2); color: var(--color-text); }
.toc-list a.active {
  border-left-color: var(--color-accent);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: var(--fw-semibold);
}
.toc-list .toc-h3 { padding-left: 24px; font-size: 13px; }

/* ============================================
   Sticky bottom CTA bar (review pages)
   ============================================ */

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-sticky);
  transform: translateY(110%);
  transition: transform 280ms var(--ease-out);
  overflow: hidden;
}
.sticky-cta.visible { transform: translateY(0); }
.sticky-cta-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: 12px var(--sp-5);
  max-width: var(--container);
  margin: 0 auto;
}
.sticky-cta-info { display: flex; align-items: center; gap: var(--sp-3); flex: 1; min-width: 0; }
.sticky-cta-text { min-width: 0; }
.sticky-cta-name {
  font-weight: var(--fw-bold);
  font-size: var(--fs-base);
  line-height: 1.2;
  color: var(--color-text);
}
.sticky-cta-bonus {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.2;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (max-width: 640px) {
  .sticky-cta-inner {
    padding: 10px 12px;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
  }
  .sticky-cta-inner > .btn {
    flex-shrink: 0;
    padding: 9px 14px;
    font-size: var(--fs-sm);
  }
  .sticky-cta-info {
    min-width: 0;
    overflow: hidden;
  }
  .sticky-cta-name { display: none; }
  .sticky-cta-bonus {
    display: block;
    margin-top: 0;
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .sticky-cta-bonus .stars { display: none; }
}