/* Shared styles for ARSAVO content pages (calculator, comparisons, guides).
   index.html and the legal pages keep their own inline styles. */
:root {
  --canvas-bg: #FFFFFF;
  --primary-orange: #FF4A00;
  --text-dark: #0B0B0F;
  --text-body: #4A4A5A;
  --text-muted: #727284;
  --border-subtle: #EAEAEF;
  --border-light: #DFDFE6;
  --font-logo: 'The Seasons', 'The Sessions', 'Instrument Serif', 'Cinzel', 'Playfair Display', serif;
  --font-sans: 'Outfit', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'JetBrains Mono', monospace;
  --max-w: 1040px;
  --prose-w: 760px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-sans);
  background: var(--canvas-bg);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary-orange); }
strong { color: var(--text-dark); }

/* Nav */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 24px;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand-logo-text {
  font-family: var(--font-logo);
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--text-dark);
  text-transform: uppercase;
  font-size: 1.6rem;
  text-decoration: none;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a {
  color: var(--text-body);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}
.nav-links a:hover { color: var(--primary-orange); }
/* Phones: logo and button on the first row, page links wrap onto a second row */
@media (max-width: 640px) {
  .site-nav { position: static; padding: 12px 16px; }
  .nav-inner { flex-wrap: wrap; gap: 6px 16px; }
  .nav-inner::before { content: ''; order: 2; flex-basis: 100%; }
  .nav-links { display: contents; }
  .nav-links .btn-primary { order: 1; margin-left: auto; padding: 9px 18px; font-size: 0.85rem; }
  .nav-links a:not(.btn-primary) { order: 3; font-size: 0.84rem; }
  .brand-logo-text { font-size: 1.4rem; }
  .page { padding: 28px 16px 0; }
  .cta-card { padding: 22px; }
  .site-footer { padding: 24px 16px 40px; }
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, #FF5500 0%, #EA3B00 100%);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 0.92rem;
  padding: 11px 24px;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(255, 74, 0, 0.32);
  white-space: nowrap;
}
.btn-primary:hover { filter: brightness(1.06); }

/* Page layout */
.page { max-width: var(--max-w); margin: 0 auto; padding: 48px 24px 0; }
.page-header { max-width: var(--prose-w); margin-bottom: 36px; }
.breadcrumb { font-size: 0.84rem; color: var(--text-muted); margin-bottom: 18px; }
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--primary-orange); }
h1 {
  font-size: clamp(2rem, 4.4vw, 3rem);
  font-weight: 800;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
  text-wrap: balance;
}
.lede { font-size: 1.1rem; }
.meta { font-size: 0.84rem; color: var(--text-muted); margin-top: 12px; }

.prose { max-width: var(--prose-w); }
.prose section { margin-top: 48px; }
.prose h2 {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 14px;
}
.prose h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin: 22px 0 8px; }
.prose p { margin-bottom: 14px; }
.prose ul, .prose ol { margin: 10px 0 16px 22px; display: flex; flex-direction: column; gap: 8px; }
.formula {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  background: #F8F9FA;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 14px;
  overflow-x: auto;
  white-space: pre;
  color: var(--text-dark);
}
.note {
  background: #FFF8F4;
  border: 1px solid rgba(255, 74, 0, 0.3);
  border-radius: 14px;
  padding: 16px 20px;
  font-size: 0.94rem;
  margin: 18px 0;
}

/* Tables */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  margin: 18px 0;
}
table { width: 100%; border-collapse: collapse; font-size: 0.93rem; min-width: 520px; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
thead th { background: #F8F9FA; color: var(--text-dark); font-weight: 700; }
tbody tr:last-child td { border-bottom: none; }
/* Phones: let tables shrink to the screen; the wrapper still scrolls if one cannot */
@media (max-width: 640px) {
  table { min-width: 0; font-size: 0.85rem; }
  th, td { padding: 10px; }
}
td.num, th.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* FAQ (native details) */
details { border-bottom: 1px solid var(--border-subtle); padding: 16px 0; }
summary { cursor: pointer; font-weight: 700; color: var(--text-dark); font-size: 1.02rem; }
details p { margin: 10px 0 0; }

/* CTA + footer */
.cta-card {
  margin-top: 56px;
  background: #FFF8F4;
  border: 1px solid rgba(255, 74, 0, 0.3);
  border-radius: 20px;
  padding: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-card h2 { font-size: 1.4rem; color: var(--text-dark); line-height: 1.3; margin-bottom: 6px; }
.cta-card p { font-size: 0.95rem; max-width: 560px; }

.site-footer {
  max-width: var(--max-w);
  margin: 64px auto 0;
  padding: 28px 24px 48px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.86rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--text-muted); text-decoration: none; }
.site-footer a:hover { color: var(--primary-orange); }

/* Calculator */
.calc-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 28px; align-items: start; }
@media (max-width: 900px) { .calc-grid { grid-template-columns: 1fr; } }
.calc-grid > * { min-width: 0; }
@media (max-width: 480px) { .calc-card { padding: 22px 18px; } .slider-row { flex-wrap: wrap; } }
.calc-card {
  background: #FFFFFF;
  border: 1px solid #E2E4E9;
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}
.calc-card.results { border: 2px solid var(--primary-orange); position: sticky; top: 84px; }
@media (max-width: 900px) { .calc-card.results { position: static; } }
.slider-group { margin-bottom: 22px; }
.slider-group:last-child { margin-bottom: 0; }
.slider-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 8px; }
.slider-row label { font-weight: 700; color: var(--text-dark); font-size: 0.95rem; }
.slider-row output {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: #C23800;
  background: #FFF4EE;
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 74, 0, 0.25);
  white-space: nowrap;
}
.slider-group small { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
input[type=range] { width: 100%; accent-color: var(--primary-orange); }

.result-label { font-size: 0.9rem; color: var(--text-muted); }
.result-big {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 800;
  color: #DC2626;
  line-height: 1.15;
}
.result-sub { font-size: 0.88rem; margin: 6px 0 20px; }
.result-saved {
  background: #ECFDF5;
  border: 1px solid rgba(5, 150, 105, 0.3);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 20px;
  color: #065F46;
  font-size: 0.86rem;
}
.result-saved b { display: block; font-family: var(--font-mono); font-size: 1.8rem; color: #047857; line-height: 1.2; }
.result-rows { border-top: 1px solid var(--border-subtle); padding-top: 14px; margin-bottom: 20px; font-size: 0.9rem; }
.result-rows div { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; }
.result-rows b { font-family: var(--font-mono); color: var(--text-dark); white-space: nowrap; }

/* cod-rto-calculator.html?embed=1: sliders and result only, for the iframe snippet on that page */
.embed-credit { display: none; font-size: 0.82rem; color: var(--text-muted); text-align: center; }
.embed .site-nav, .embed .page-header, .embed .prose, .embed .cta-card, .embed .site-footer,
.embed .calc-card .btn-primary { display: none !important; }
.embed .page { padding: 12px; }
.embed .calc-card.results { position: static; }
.embed .embed-credit { display: block; }

/* Small phones: tables and buttons fit without sideways scrolling */
th.num { white-space: normal; }
.calc-card .btn-primary, .cta-card .btn-primary { white-space: normal; text-align: center; }
@media (max-width: 400px) {
  table { font-size: 0.78rem; }
  th, td { padding: 8px 6px; }
  .formula { font-size: 0.74rem; padding: 12px; }
}
textarea.formula { white-space: pre-wrap; overflow-wrap: anywhere; }
@media (max-width: 640px) { .formula { white-space: pre-wrap; overflow-wrap: anywhere; } }
@media (max-width: 340px) {
  table { font-size: 0.74rem; }
  th, td { padding: 7px 4px; }
}