/* Prompt Whisperer — editorial systems / quiet technical precision.
   Existing tool styles and state classes remain in index.html. */
:root {
  --bg: #f4f6f3;
  --surface: #fcfdf9;
  --border: #dce4df;
  --border2: #b7c9c1;
  --text: #152f3b;
  --subtle: #4e6268;
  --muted: #61766f;
  --accent: #176451;
  --accent-lt: #e5f0e9;
  --accent-mid: #237c64;
  --navy: #102936;
  --mint: #b7edcf;
  --radius: 10px;
}
body { min-height: 100dvh; font-weight: 400; }
html { scroll-padding-top: 24px; }
a, button, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #358d70; outline-offset: 5px; }
.hero :focus-visible, .final-audit :focus-visible { outline-color: var(--mint); }
.skip-link { position: absolute; top: 8px; left: 12px; z-index: 20; padding: 12px 20px; background: var(--surface); color: var(--text); transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.relay-banner { background: #e3eee7; color: #284e43; text-align: center; padding: 9px 20px; font-size: .83rem; }
.relay-banner a { color: #185842; font-weight: 600; margin-left: 10px; text-underline-offset: 3px; }
.topnav { padding: 22px max(24px, calc((100% - 1180px) / 2)); gap: 24px; background: var(--bg); }
.topnav-brand { font-size: 1.23rem; letter-spacing: -.035em; white-space: nowrap; }
.topnav-brand .brand-dot { background: var(--accent); width: 12px; height: 12px; border-radius: 3px 7px 3px 7px; }
.topnav-links { gap: 24px; }
.topnav-links a { font-size: .91rem; }
.topnav-links a.cta { border-radius: 5px; padding: 9px 16px; }
.hero { background: var(--navy); color: #edf4ef; padding: 76px 24px 0; text-align: left; overflow: hidden; border: 0; }
.hero-layout { max-width: 1180px; margin: auto; display: grid; grid-template-columns: 1.45fr 1fr; gap: 72px; align-items: center; padding-bottom: 64px; }
.hero-eyebrow { background: transparent; padding: 0; color: var(--mint); font-size: .72rem; letter-spacing: .17em; margin-bottom: 26px; border-radius: 0; }
.hero-eyebrow::before { content: ""; display: inline-block; width: 7px; height: 7px; margin: 0 10px 1px 0; background: var(--mint); border-radius: 50%; }
.hero h1 { font-size: clamp(2.6rem, 4.5vw, 4.3rem); letter-spacing: -.045em; line-height: 1.12; color: #edf4ef; max-width: 730px; margin: 0 0 25px; font-weight: 400; }
.hero h1 em { color: var(--mint); display: block; margin-top: 9px; }
.hero-sub { font-size: 1.05rem; line-height: 1.65; color: #c1d0d4; max-width: 580px; margin: 0 0 15px; font-weight: 400; }
.hero-sub + .hero-sub { color: #e0eae5; }
.hero-ctas { justify-content: flex-start; margin: 29px 0 0; gap: 12px; }
.hero-cta { border-radius: 5px; font-size: .96rem; transition: transform .18s; }
.hero-cta:hover { transform: translateY(-2px); }
.hero .hero-cta.primary, .final-audit .hero-cta.primary { background: var(--mint); color: #102f29; }
.hero .hero-cta.primary:hover, .final-audit .hero-cta.primary:hover { background: #c9f3dc; }
.hero .hero-cta.secondary { border-color: #667e87; color: #e3ede7; }
.hero .hero-cta.secondary:hover { background: #1d3b48; }
.system-note { border: 1px solid #49616a; border-radius: 10px; padding: 26px; background: #163440; position: relative; }
.system-label, .diagram-label { font-size: .68rem; letter-spacing: .13em; text-transform: uppercase; color: #adc4c9; font-weight: 600; }
.system-label { padding-bottom: 22px; border-bottom: 1px solid #3c5660; display: flex; justify-content: space-between; gap: 12px; }
.system-label span:last-child { color: var(--mint); }
.signal-line { display: flex; align-items: center; gap: 5px; height: 82px; margin: 20px 0 10px; }
.signal-line i { display: block; flex: 1; height: var(--height); background: #9dd9bf; border-radius: 2px; opacity: .85; }
.system-note h2 { font-family: 'Lora', serif; font-size: 1.65rem; font-weight: 400; line-height: 1.3; letter-spacing: -.025em; margin: 12px 0 24px; color: #edf4ef; }
.system-row { display: flex; justify-content: space-between; gap: 15px; font-size: .92rem; border-top: 1px solid #3c5660; padding: 12px 0; color: #c5d5d7; }
.system-row span:last-child { color: var(--mint); text-align: right; }
.system-foot { margin-top: 17px; font-size: .75rem; color: #aac0c5; line-height: 1.5; }
.hero-proof { max-width: 1180px; margin: auto; border-top: 1px solid #38515c; padding: 21px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .8rem; color: #b4c7cc; }
.hero-proof strong { color: #d5e9dd; font-weight: 500; }
.section { padding: 88px 24px; }
.section-inner { max-width: 1120px; }
.section-eyebrow { padding: 0; background: none; border-radius: 0; letter-spacing: .15em; font-size: .7rem; margin-bottom: 17px; }
.section-title { font-weight: 400; letter-spacing: -.035em; font-size: clamp(1.9rem, 3vw, 2.75rem); max-width: 790px; }
.section-body { line-height: 1.75; font-size: 1.06rem; }
.section-heading-row { display: grid; grid-template-columns: 1fr .8fr; gap: 70px; align-items: end; margin-bottom: 34px; }
.section-heading-row .section-body { margin-bottom: 5px; }
.calculator-section { background: #edf2ed; }
.calculator-grid { display: grid; grid-template-columns: 1.2fr 1fr; border: 1px solid #cbdad0; border-radius: 10px; overflow: hidden; }
.calculator-inputs { background: var(--surface); padding: 32px; display: grid; gap: 24px; }
.calculator-field label { display: block; font-size: .98rem; font-weight: 600; margin-bottom: 7px; }
.calculator-field input { width: 100%; background: #f4f7f1; border: 1px solid #b6c8be; border-radius: 5px; padding: 12px 14px; color: var(--text); font: 500 1.22rem 'Source Sans 3', sans-serif; min-height: 48px; }
.calculator-field p { font-size: .8rem; line-height: 1.5; color: var(--subtle); margin-top: 7px; }
.calculator-result { background: #e0ede4; padding: 36px; display: flex; flex-direction: column; justify-content: center; }
.calculator-result .result-label { color: #36594c; font-size: .8rem; }
.calculator-result output { display: block; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
#savings-monthly { font-family: 'Lora', serif; font-size: clamp(2.6rem, 4.5vw, 4rem); line-height: 1.3; letter-spacing: -.04em; color: #174a3a; margin: 4px 0 22px; }
.annual-row { border-top: 1px solid #bacfc1; border-bottom: 1px solid #bacfc1; padding: 16px 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
#savings-annual { font-size: 1.5rem; font-weight: 600; color: #174a3a; }
.baseline-row { display: flex; justify-content: space-between; gap: 14px; font-size: .83rem; color: #36594c; margin-top: 16px; }
.calculator-disclaimer { font-size: .79rem; color: #496258; line-height: 1.6; margin-top: 22px; }
#savings-error { color: var(--danger); font-size: .88rem; margin-top: 12px; }
#savings-error:empty { display: none; }
.calculator-note { font-size: .8rem; color: var(--subtle); margin-top: 15px; }
.cost-layout { display: grid; grid-template-columns: .85fr 1.25fr; gap: 90px; }
.cost-list { list-style: none; counter-reset: costs; }
.cost-list li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; border-top: 1px solid var(--border); padding: 23px 0; counter-increment: costs; }
.cost-list li::before { content: "0" counter(costs); font-size: .75rem; color: var(--accent); padding-top: 3px; font-variant-numeric: tabular-nums; }
.cost-list h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.cost-list p { font-size: .95rem; color: var(--subtle); }
.method-list { list-style: none; margin-top: 38px; border-top: 1px solid var(--border2); }
.method-list li { display: grid; grid-template-columns: 60px 1fr 1fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.step-num { font-size: .78rem; font-weight: 600; color: var(--accent); }
.method-list h3 { font: 400 1.45rem 'Lora', serif; letter-spacing: -.025em; }
.method-list p { font-size: 1rem; color: var(--subtle); }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.audience-card { border: 1px solid var(--border2); border-radius: 8px; padding: 32px; background: var(--surface); }
.audience-card > span { color: var(--accent); text-transform: uppercase; font-size: .69rem; letter-spacing: .13em; }
.audience-card h3 { font: 400 1.65rem/1.3 'Lora', serif; margin: 16px 0; max-width: 340px; letter-spacing: -.025em; }
.audience-card p { color: var(--subtle); line-height: 1.7; }
.audience-card a, .about-link { display: inline-block; color: var(--accent); font-weight: 600; margin-top: 22px; text-underline-offset: 4px; }
.about-section { background: #e6eee9; }
.about-layout { display: grid; grid-template-columns: .85fr 1fr; gap: 90px; }
.platform-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.platform-list span { border: 1px solid #b8cec0; padding: 6px 15px; font-size: .86rem; border-radius: 4px; color: #36584a; }
.main { max-width: 1000px; padding: 80px 24px; }
.choice-card { box-shadow: none; border-radius: 8px; }
.choice-card.choice-primary { border-color: var(--accent); background: var(--accent-lt); }
.choice-primary .choice-eyebrow { color: var(--accent); }
.choice-primary .choice-cta { align-self: flex-start; background: var(--accent); color: var(--surface); border-radius: 5px; padding: 8px 14px; }
.choice-card:hover { border-color: var(--accent); box-shadow: 0 8px 24px #163c2e0a; }
.choice-icon { font: 400 1.7rem 'Lora', serif; color: var(--accent); }
.analyze-chip { background: #e9eee8; }
.final-audit { background: var(--navy); text-align: center; padding: 75px 24px; }
.final-audit .section-eyebrow { color: var(--mint); }
.final-audit .section-title { color: #edf4ef; margin: 0 auto 18px; }
.final-audit .section-body { color: #bed0d2; margin: 0 auto 28px; }
.final-audit .hero-cta.secondary { color: #e3ede7; border-color: #667e87; margin: 12px 6px 0; }
.final-audit .hero-cta.secondary:hover { background: #1d3b48; }
footer { background: #e9eee8; padding: 32px 24px; color: var(--subtle); }
@media (max-width: 1050px) {
  .topnav { padding: 20px 24px; }
  .topnav-links { gap: 16px; }
  .hero-layout { gap: 35px; grid-template-columns: 1.4fr 1fr; }
  .hero { padding-top: 55px; }
  .cost-layout, .about-layout { gap: 45px; }
}
@media (max-width: 767px) {
  .topnav { align-items: flex-start; gap: 17px; padding: 19px 20px; }
  .topnav-links { width: 100%; gap: 12px 20px; }
  .topnav-links a { font-size: .84rem; }
  .topnav-links a.cta { padding: 6px 11px; }
  .relay-banner { font-size: .75rem; padding: 9px 15px; }
  .hero { padding: 42px 20px 0; }
  .hero-layout, .calculator-grid, .cost-layout, .about-layout, .audience-grid, .section-heading-row { grid-template-columns: 1fr; gap: 30px; }
  .hero-layout { padding-bottom: 34px; }
  .hero h1 { font-size: clamp(2.5rem, 8.8vw, 3.7rem); }
  .hero-sub { font-size: 1rem; }
  .hero-ctas { gap: 10px; }
  .hero-cta { padding: 12px 17px; }
  .system-note { margin-top: 7px; padding: 22px; }
  .signal-line { height: 60px; }
  .system-note h2 { font-size: 1.45rem; }
  .hero-proof { font-size: .73rem; gap: 9px; }
  .section, .main { padding: 55px 20px; }
  .section-heading-row { gap: 8px; margin-bottom: 25px; }
  .calculator-inputs, .calculator-result { padding: 25px; }
  .calculator-grid { gap: 0; }
  .method-list li { grid-template-columns: 30px 1fr; gap: 10px 15px; }
  .method-list p { grid-column: 2; }
  .audience-card { padding: 25px; }
  .sprint-grid, .who-grid, .scale-grid, .why-compare, .deliverables-list, .sprint-form-row, .chooser { grid-template-columns: 1fr; }
  .final-audit { padding: 55px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .hero-cta:hover { transform: none; }
}