/**
 * Calcxzo homepage — modern, low-noise UI (2025+)
 * Loaded only on index.html (body.home-index)
 */
:root {
  --hx-bg: #fafafa;
  --hx-bg-elevated: #ffffff;
  --hx-text: #0a0a0b;
  --hx-muted: #71717a;
  --hx-faint: #a1a1aa;
  --hx-border: #e4e4e7;
  --hx-border-strong: #d4d4d8;
  --hx-accent: #4f46e5;
  --hx-accent-hover: #4338ca;
  --hx-accent-glow: rgba(79, 70, 229, 0.12);
  --hx-teal: #0d9488;
  --hx-radius: 16px;
  --hx-radius-lg: 22px;
  --hx-font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --hx-max: 1120px;
  --hx-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  --hx-shadow-hover: 0 12px 32px -8px rgba(15, 23, 42, 0.1);
}

body.home-index {
  margin: 0;
  font-family: var(--hx-font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--hx-text);
  background: var(--hx-bg);
  -webkit-font-smoothing: antialiased;
}

/* Header already has primary links; site-enhancer fills `.nav` — hide on home */
body.home-index .nav {
  display: none !important;
}

/* —— Header —— */
body.home-index .header {
  position: sticky;
  top: 0;
  z-index: 100;
  min-height: 0;
  padding: 0 !important;
  background: rgba(255, 255, 255, 0.86) !important;
  backdrop-filter: blur(14px) saturate(1.15);
  border-bottom: 1px solid var(--hx-border) !important;
}

body.home-index .header-inner {
  max-width: var(--hx-max);
  margin: 0 auto;
  padding: 12px 20px;
  min-height: 52px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

body.home-index .brand-block {
  display: flex;
  flex-direction: column;
  gap: 0;
  min-width: 0;
}

body.home-index .logo {
  font-size: 1.35rem !important;
  font-weight: 700 !important;
  letter-spacing: -0.03em;
  text-decoration: none;
  line-height: 1.2;
  color: inherit !important;
}

body.home-index .logo-calc {
  color: var(--hx-text);
}

body.home-index .logo-xzo {
  background: linear-gradient(135deg, var(--hx-accent) 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

body.home-index .site-tagline {
  margin: 2px 0 0 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--hx-muted);
  letter-spacing: 0.02em;
}

body.home-index .header-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

body.home-index .header-cta a {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--hx-muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

body.home-index .header-cta a:hover {
  color: var(--hx-text);
  background: var(--hx-bg);
  border-color: var(--hx-border);
}

/* —— Hero —— */
body.home-index .hero {
  position: relative;
  overflow: hidden;
  background: var(--hx-bg);
}

body.home-index .hero::before {
  content: "";
  position: absolute;
  inset: -40% 40% auto -20%;
  height: 70%;
  background: radial-gradient(ellipse, var(--hx-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

body.home-index .hero-inner {
  position: relative;
  max-width: var(--hx-max);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 56px) 20px clamp(36px, 6vw, 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

body.home-index .hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

body.home-index .hero-visual img {
  width: min(100%, 280px);
  height: auto;
  border-radius: var(--hx-radius-lg);
  box-shadow: var(--hx-shadow-hover);
}

body.home-index .hero-copy {
  text-align: left;
}

body.home-index .hero-eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 16px 0;
}

body.home-index .hero-eyebrow span {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hx-muted);
  background: var(--hx-bg-elevated);
  border: 1px solid var(--hx-border);
  padding: 5px 10px;
  border-radius: 999px;
}

body.home-index .hero h1 {
  margin: 0 0 12px 0;
  font-size: clamp(1.65rem, 3.8vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
  color: var(--hx-text);
}

body.home-index .hero .lead {
  margin: 0 0 20px 0;
  font-size: 1rem;
  color: var(--hx-muted);
  max-width: 32rem;
  font-weight: 450;
}

body.home-index .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

body.home-index .pill {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--hx-muted);
  background: transparent;
  border: 1px dashed var(--hx-border-strong);
  padding: 6px 12px;
  border-radius: 999px;
}

/* Unified search */
body.home-index .search-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0;
  max-width: 36rem;
  background: var(--hx-bg-elevated);
  border: 1px solid var(--hx-border);
  border-radius: 14px;
  box-shadow: var(--hx-shadow);
  overflow: hidden;
}

body.home-index .search-bar:focus-within {
  border-color: var(--hx-accent);
  box-shadow: 0 0 0 3px var(--hx-accent-glow);
}

body.home-index .search-bar__field {
  flex: 1 1 160px;
  min-width: 0;
  display: flex;
}

body.home-index .search-bar__field input {
  width: 100%;
  border: none;
  padding: 14px 16px;
  font-size: 0.9375rem;
  font-family: inherit;
  background: transparent;
  outline: none;
}

body.home-index .search-bar__field input::placeholder {
  color: var(--hx-faint);
}

body.home-index .search-bar__submit {
  padding: 0 20px;
  border: none;
  border-left: 1px solid var(--hx-border);
  background: var(--hx-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}

body.home-index .search-bar__submit:hover {
  background: var(--hx-accent-hover);
}

body.home-index .search-bar__submit:focus-visible {
  outline: 2px solid var(--hx-accent);
  outline-offset: 2px;
}

body.home-index .header-cta a:focus-visible,
body.home-index .calc-box .card-link:focus-visible,
body.home-index .btn:focus-visible {
  outline: 2px solid var(--hx-accent);
  outline-offset: 2px;
}

body.home-index .seo-expand__summary:focus-visible {
  outline: 2px solid var(--hx-accent);
  outline-offset: 2px;
}

body.home-index .search-bar__lang {
  display: flex;
  align-items: center;
  border-left: 1px solid var(--hx-border);
  padding: 0 4px 0 8px;
  background: var(--hx-bg);
}

body.home-index .search-bar__lang select {
  border: none;
  background: transparent;
  font-weight: 600;
  font-size: 0.8125rem;
  font-family: inherit;
  color: var(--hx-text);
  padding: 12px 28px 12px 8px;
  cursor: pointer;
  outline: none;
}

/* —— Value strip —— */
body.home-index .value-strip {
  border-top: 1px solid var(--hx-border);
  border-bottom: 1px solid var(--hx-border);
  background: var(--hx-bg-elevated);
}

body.home-index .value-strip-inner {
  max-width: var(--hx-max);
  margin: 0 auto;
  padding: 20px 20px 22px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

body.home-index .value-item {
  padding: 12px 20px;
  border-right: 1px solid var(--hx-border);
  background: transparent;
}

body.home-index .value-item:last-child {
  border-right: none;
}

body.home-index .value-item strong {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--hx-text);
  margin-bottom: 4px;
}

body.home-index .value-item span {
  font-size: 0.8125rem;
  color: var(--hx-muted);
  line-height: 1.45;
}

/* —— Ads —— */
body.home-index .ad-region {
  max-width: var(--hx-max);
  margin: 24px auto;
  padding: 10px 14px;
  border: 1px solid var(--hx-border);
  border-radius: var(--hx-radius);
  background: var(--hx-bg-elevated);
  min-height: 90px;
  box-sizing: border-box;
}

body.home-index .ad-region-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hx-faint);
  margin-bottom: 6px;
}

body.home-index .ad-slot {
  max-width: var(--hx-max);
  margin: 24px auto;
  padding: 0 20px;
  box-sizing: border-box;
}

body.home-index .ad-slot--footer {
  margin-top: 32px !important;
  margin-bottom: 16px !important;
}

/* Beat site-enhancer global `.ad` margins on homepage */
body.home-index .ad {
  max-width: var(--hx-max) !important;
  margin-left: auto !important;
  margin-right: auto !important;
  padding-left: 20px !important;
  padding-right: 20px !important;
}

/* —— Calculator sections —— */
body.home-index .calc-stack {
  padding-block: 40px;
  padding-inline: 20px;
}

body.home-index .calc-stack--tight-top {
  padding-top: 12px;
}

body.home-index .calc-stack--extra-bottom {
  padding-bottom: 48px;
}

body.home-index .calculators {
  background: transparent;
}

body.home-index .section-heading {
  max-width: var(--hx-max);
  margin: 0 auto 22px;
  text-align: left;
  font-size: clamp(1.125rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--hx-text);
}

body.home-index .rec-heading {
  text-align: center;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--hx-muted);
  margin: 8px auto 18px;
}

body.home-index .calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  max-width: var(--hx-max);
  margin: 0 auto;
}

body.home-index .calc-grid--pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 800px;
}

body.home-index .calc-box {
  background: var(--hx-bg-elevated);
  border-radius: var(--hx-radius-lg);
  padding: 22px 20px;
  text-align: left;
  border: 1px solid var(--hx-border);
  box-shadow: var(--hx-shadow);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

body.home-index .calc-box:hover {
  border-color: var(--hx-border-strong);
  box-shadow: var(--hx-shadow-hover);
  transform: translateY(-2px);
}

body.home-index .calc-box h3 {
  color: var(--hx-text);
  margin: 0 0 10px 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

body.home-index .calc-box.flow-card h3 {
  margin-bottom: 6px;
}

body.home-index .flow-card__desc {
  margin: 0 0 14px 0;
  color: var(--hx-muted);
  font-size: 0.875rem;
}

body.home-index .flow-card__chain {
  font-size: 0.875rem;
}

body.home-index .flow-card__chain a {
  color: var(--hx-accent);
  font-weight: 600;
  text-decoration: none;
}

body.home-index .flow-card__chain a:hover {
  text-decoration: underline;
}

body.home-index .flow-card__chain span {
  color: var(--hx-faint);
  margin: 0 4px;
}

body.home-index .calc-box .card-link {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 9px 16px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.8125rem;
  text-decoration: none;
  color: #fff;
  background: var(--hx-accent);
  border: none;
  transition: background 0.15s ease;
}

body.home-index .calc-box .card-link:hover {
  background: var(--hx-accent-hover);
}

body.home-index .subsection-heading {
  font-size: 1.05rem;
}

body.home-index .calc-box ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

body.home-index .calc-box li {
  margin: 6px 0;
}

body.home-index .calc-box li a {
  text-decoration: none;
  color: var(--hx-accent);
  font-weight: 500;
  font-size: 0.875rem;
}

body.home-index .calc-box li a:hover {
  text-decoration: underline;
}

/* CTA row */
body.home-index .cta-row {
  max-width: var(--hx-max);
  margin: 0 auto 8px;
  padding: 0 20px 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

body.home-index .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

body.home-index .btn-primary {
  color: #fff;
  background: var(--hx-accent);
}

body.home-index .btn-primary:hover {
  background: var(--hx-accent-hover);
}

body.home-index .btn-accent {
  color: var(--hx-text);
  background: var(--hx-bg-elevated);
  border: 1px solid var(--hx-border-strong);
}

body.home-index .btn-accent:hover {
  background: var(--hx-bg);
  border-color: var(--hx-muted);
}

body.home-index .intro-blurb {
  max-width: 36rem;
  margin: 0 auto 28px;
  padding: 0 20px;
  text-align: center;
  color: var(--hx-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* —— SEO —— */
body.home-index .seo-expand {
  max-width: var(--hx-max);
  margin: 0 auto 20px;
  padding: 0 20px;
  border: none;
}

body.home-index .seo-expand__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 14px 18px;
  border: 1px solid var(--hx-border);
  border-radius: var(--hx-radius);
  background: var(--hx-bg-elevated);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--hx-text);
  transition: border-color 0.15s ease, background 0.15s ease;
}

body.home-index .seo-expand__summary::-webkit-details-marker {
  display: none;
}

body.home-index .seo-expand__summary::after {
  content: "↓";
  font-size: 0.75rem;
  color: var(--hx-muted);
  transition: transform 0.2s ease;
}

body.home-index .seo-expand[open] .seo-expand__summary::after {
  transform: rotate(-180deg);
}

body.home-index .seo-expand__summary:hover {
  border-color: var(--hx-border-strong);
  background: var(--hx-bg);
}

body.home-index .seo-expand__hint {
  font-weight: 500;
  color: var(--hx-muted);
  font-size: 0.8125rem;
}

body.home-index .seo-expand__body {
  padding: 8px 0 0;
  border-radius: 0 0 var(--hx-radius) var(--hx-radius);
}

body.home-index .seo-expand__body .seo {
  max-width: none;
  margin: 0;
  padding: 12px 0 0;
}

body.home-index .seo {
  max-width: var(--hx-max);
  margin: 0 auto;
  padding: 32px 20px 48px;
  line-height: 1.7;
}

body.home-index .seo h2 {
  color: var(--hx-text);
  font-size: 1.25rem;
  margin: 1.75rem 0 0.5rem 0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

body.home-index .seo h2:first-child {
  margin-top: 0;
}

body.home-index .seo h3 {
  font-size: 0.9375rem;
  color: var(--hx-muted);
  font-weight: 600;
  margin: 1rem 0 0.4rem 0;
}

body.home-index .seo p {
  margin: 0 0 0.9rem 0;
  color: var(--hx-muted);
  font-size: 0.875rem;
}

body.home-index .seo a {
  color: var(--hx-accent);
  font-weight: 500;
}

body.home-index .seo h2#seo-topics-heading {
  font-size: 1.25rem;
  color: var(--hx-text);
}

body.home-index .seo.seo--surface {
  background: var(--hx-bg-elevated);
  border: 1px solid var(--hx-border);
  border-radius: var(--hx-radius-lg);
  margin-top: 16px;
  margin-bottom: 48px;
  padding: 28px 24px 36px;
}

/* —— Footer —— */
body.home-index .site-footer {
  max-width: var(--hx-max);
  margin: 0 auto 40px;
  padding: 28px 20px;
  text-align: center;
  color: var(--hx-muted);
  font-size: 0.8125rem;
  line-height: 1.65;
  border-top: 1px solid var(--hx-border);
}

body.home-index .site-footer p {
  margin: 0 0 10px 0;
}

body.home-index .site-footer p:last-child {
  margin: 0;
}

body.home-index .footer-legal {
  margin-top: 14px;
  font-size: 0.8125rem;
}

body.home-index .footer-legal a {
  color: var(--hx-accent);
  font-weight: 500;
  text-decoration: none;
  margin: 0 8px;
}

body.home-index .footer-legal a:hover {
  text-decoration: underline;
}

@media (max-width: 960px) {
  body.home-index .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  body.home-index .hero-copy {
    text-align: center;
  }

  body.home-index .hero-eyebrow,
  body.home-index .pill-row {
    justify-content: center;
  }

  body.home-index .search-bar {
    margin-left: auto;
    margin-right: auto;
    max-width: 100%;
  }

  body.home-index .search-bar__submit {
    padding: 0 16px;
  }

  body.home-index .value-strip-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  body.home-index .value-item {
    border-right: none;
    border-bottom: 1px solid var(--hx-border);
    padding: 14px 0;
  }

  body.home-index .value-item:last-child {
    border-bottom: none;
  }

  body.home-index .calc-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  body.home-index .calc-grid--pair {
    grid-template-columns: 1fr;
    max-width: var(--hx-max);
  }

  body.home-index .section-heading {
    text-align: left;
  }
}

@media (max-width: 600px) {
  body.home-index .calc-grid {
    grid-template-columns: 1fr;
  }

  body.home-index .search-bar {
    flex-direction: column;
    border-radius: var(--hx-radius);
  }

  body.home-index .search-bar__submit {
    border-left: none;
    border-top: 1px solid var(--hx-border);
    padding: 14px;
  }

  body.home-index .search-bar__lang {
    border-left: none;
    border-top: 1px solid var(--hx-border);
    justify-content: center;
  }

  body.home-index .header-inner {
    padding: 10px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.home-index .calc-box {
    transition: none;
  }

  body.home-index .seo-expand__summary::after {
    transition: none;
  }
}