/* ============================================================================
   FREE Sponsorship Rate Calculator — diagnostic lead magnet
   Matches the Newsletter Sponsorship Revenue System sales page:
   warm paper, deep ink, one amber accent, generous space, Inter + serif.
   ============================================================================ */

:root{
  --ink:        #14110d;
  --ink-soft:   #4a443b;
  --ink-mute:   #8a8275;
  --paper:      #faf8f3;
  --paper-2:    #f3eee3;
  --card:       #ffffff;
  --line:       #e7e1d6;
  --line-soft:  #f0ebe1;
  --accent:     #b8742a;
  --accent-ink: #8a560f;
  --accent-bg:  #fbf2e4;
  --accent-line:#e7c98f;
  --good:       #2f6b4f;
  --good-bg:    #eef5f0;
  --good-line:  #cfe3d6;
  --warn:       #a85a2a;
  --warn-bg:    #fbeee2;
  --radius:     16px;
  --radius-sm:  10px;
  --shadow-sm:  0 1px 2px rgba(20,17,13,.04), 0 6px 20px -10px rgba(20,17,13,.12);
  --shadow:     0 2px 4px rgba(20,17,13,.05), 0 24px 60px -28px rgba(20,17,13,.30);
  --maxw:       1120px;
  --sans:       "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif:      "Iowan Old Style", "Palatino Linotype", Georgia, serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; font-family:var(--sans);
  color:var(--ink); background:var(--paper);
  line-height:1.6; font-size:17px;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
.narrow{ max-width:760px; margin:0 auto; }
.center{ text-align:center; }
a{ color:var(--accent-ink); text-decoration:none; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  font-weight:650; font-size:16px; line-height:1;
  padding:14px 24px; border-radius:var(--radius-sm); border:1px solid transparent;
  cursor:pointer; font-family:inherit;
  transition:transform .12s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{ background:var(--accent); color:#fff; box-shadow:0 10px 24px -10px rgba(184,116,42,.75); }
.btn-primary:hover{ background:var(--accent-ink); box-shadow:0 14px 30px -10px rgba(184,116,42,.7); }
.btn-ghost{ background:transparent; color:var(--ink-soft); border-color:var(--line); }
.btn-ghost:hover{ border-color:var(--ink-mute); color:var(--ink); }
.btn-lg{ font-size:18px; padding:17px 32px; }
.btn-block{ display:flex; width:100%; }

/* ---------- Nav ---------- */
.nav{ position:sticky; top:0; z-index:40; background:rgba(250,248,243,.85); backdrop-filter:saturate(160%) blur(12px); border-bottom:1px solid var(--line); }
.nav-inner{ display:flex; align-items:center; justify-content:space-between; min-height:66px; gap:20px; }
.logo{ display:flex; align-items:center; gap:10px; color:var(--ink); font-weight:750; letter-spacing:-.01em; }
.logo-mark{ display:grid; place-items:center; width:30px; height:30px; border-radius:8px; background:var(--accent-bg); color:var(--accent); border:1px solid var(--accent-line); font-size:14px; }
.logo-text{ font-size:15.5px; }
.nav-pill{ font-size:13px; font-weight:700; letter-spacing:.04em; text-transform:uppercase; color:var(--accent-ink); background:var(--accent-bg); border:1px solid var(--accent-line); padding:6px 12px; border-radius:999px; }

/* ---------- Hero ---------- */
.hero{ position:relative; padding:72px 0 36px; overflow:hidden; }
.hero::before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(60% 80% at 78% 8%, rgba(184,116,42,.10), transparent 60%),
    radial-gradient(50% 60% at 10% 90%, rgba(184,116,42,.06), transparent 60%);
}
.eyebrow{ color:var(--accent-ink); font-size:13.5px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; margin:0 0 18px; }
.hero-h1{ font-size:clamp(34px,5.4vw,56px); line-height:1.05; letter-spacing:-.03em; font-weight:800; margin:0 0 20px; max-width:18ch; }
.hero-h1 .accent{ color:var(--accent); }
.hero-sub{ font-size:clamp(17px,2.1vw,20px); color:var(--ink-soft); max-width:64ch; margin:0; }
.hero-sub em{ font-style:normal; color:var(--ink); font-weight:600; }

/* ---------- Sections ---------- */
.section{ padding:64px 0; }
.section-alt{ background:var(--paper-2); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.kicker{ color:var(--accent-ink); font-size:13px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; margin:0 0 14px; }
.kicker.center{ text-align:center; }
.section-h2{ font-size:clamp(26px,3.6vw,38px); line-height:1.1; letter-spacing:-.025em; font-weight:780; margin:0 0 20px; }
.lead{ font-size:19px; color:var(--ink-soft); max-width:62ch; margin:0 auto 22px; }
.lead strong{ color:var(--ink); }

/* ============================================================================
   CALCULATOR
   ============================================================================ */
.calc-section{ padding-top:20px; }
.calc{ display:grid; grid-template-columns:minmax(0,460px) minmax(0,1fr); gap:28px; align-items:start; }

/* ---------- Form ---------- */
.calc-form{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow-sm); padding:32px;
  position:sticky; top:90px;
}
.calc-h2{ font-size:22px; letter-spacing:-.02em; margin:0 0 6px; }
.calc-help{ font-size:14px; color:var(--ink-mute); margin:0 0 24px; }
.calc-help em{ font-style:normal; color:var(--ink-soft); font-weight:600; }

.field{ margin-bottom:18px; }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field label{ display:block; font-size:14px; font-weight:650; color:var(--ink); margin-bottom:7px; }
.field label .unit{ color:var(--ink-mute); font-weight:500; }
.field input, .field select{
  width:100%; font-family:inherit; font-size:16px; color:var(--ink);
  background:var(--paper); border:1px solid var(--line); border-radius:var(--radius-sm);
  padding:12px 13px; transition:border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.field input:focus, .field select:focus{
  outline:none; border-color:var(--accent); background:#fff;
  box-shadow:0 0 0 3px rgba(184,116,42,.14);
}
.field select{ appearance:none; -webkit-appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238a8275' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 14px center; padding-right:34px;
}
.field-note{ font-size:12.5px; color:var(--ink-mute); margin:6px 0 0; line-height:1.45; }

.field-divider{ display:flex; align-items:center; gap:12px; margin:24px 0 18px; }
.field-divider::before, .field-divider::after{ content:""; flex:1; height:1px; background:var(--line); }
.field-divider span{ font-size:12px; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-mute); }

.calc-actions{ display:flex; flex-direction:column; gap:12px; margin-top:8px; }
.calc-privacy{ font-size:12px; color:var(--ink-mute); margin:16px 0 0; line-height:1.5; }
.calc-error{ margin:14px 0 0; padding:11px 14px; font-size:13.5px; color:#8a2d1c; background:#fbeae6; border:1px solid #f0cabf; border-radius:var(--radius-sm); }

/* ---------- Results ---------- */
.calc-results{ min-height:200px; }
.results-empty{
  background:var(--card); border:1px dashed var(--line); border-radius:var(--radius);
  padding:48px 32px; text-align:center; color:var(--ink-mute);
}
.results-empty-icon{
  display:grid; place-items:center; width:54px; height:54px; margin:0 auto 18px;
  border-radius:14px; background:var(--accent-bg); border:1px solid var(--accent-line);
  color:var(--accent); font-size:26px; font-weight:800;
}
.results-empty p{ font-size:15px; max-width:38ch; margin:0 auto; line-height:1.6; }

.is-hidden{ display:none !important; }

/* ---------- Verdict ---------- */
.verdict{ border-radius:var(--radius); padding:24px 26px; margin-bottom:22px; border:1px solid; }
.verdict-tag{ font-size:12px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; margin-bottom:8px; }
.verdict-line{ font-size:19px; line-height:1.4; letter-spacing:-.01em; }
.verdict-line strong{ font-weight:800; }
.verdict-under{ background:var(--accent-bg); border-color:var(--accent-line); }
.verdict-under .verdict-tag{ color:var(--accent-ink); }
.verdict-over{ background:var(--warn-bg); border-color:#e7c0a0; }
.verdict-over .verdict-tag{ color:var(--warn); }
.verdict-ok, .verdict-new{ background:var(--good-bg); border-color:var(--good-line); }
.verdict-ok .verdict-tag, .verdict-new .verdict-tag{ color:var(--good); }

/* ---------- Result blocks ---------- */
.result-block{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:22px 24px; margin-bottom:16px; box-shadow:var(--shadow-sm);
}
.result-label{ font-size:12.5px; font-weight:700; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-mute); margin-bottom:12px; display:flex; justify-content:space-between; align-items:baseline; gap:10px; flex-wrap:wrap; }
.result-label-note{ font-weight:600; letter-spacing:0; text-transform:none; color:var(--ink-mute); font-size:12px; }

.range{ font-size:clamp(30px,4.4vw,42px); font-weight:850; letter-spacing:-.03em; line-height:1.05; color:var(--ink); }
.range-dash{ color:var(--ink-mute); font-weight:400; }
.range-mid{ display:inline-block; font-size:14px; font-weight:600; letter-spacing:0; color:var(--ink-mute); background:var(--paper-2); border:1px solid var(--line); padding:4px 10px; border-radius:999px; vertical-align:middle; margin-left:8px; }
.range-sub{ font-size:13.5px; color:var(--ink-mute); margin-top:10px; line-height:1.5; }

/* ---------- Rate card table ---------- */
.rc-table{ width:100%; border-collapse:collapse; font-size:14.5px; }
.rc-table thead th{ text-align:left; font-size:11.5px; font-weight:700; letter-spacing:.04em; text-transform:uppercase; color:var(--ink-mute); padding:0 0 10px; border-bottom:1px solid var(--line); }
.rc-table thead th.num{ text-align:right; }
.rc-table tbody th{ text-align:left; font-weight:650; color:var(--ink); padding:13px 12px 13px 0; vertical-align:top; }
.rc-table tbody td{ padding:13px 0; vertical-align:top; color:var(--ink-soft); }
.rc-table tbody td.num{ text-align:right; font-variant-numeric:tabular-nums; }
.rc-table tbody td.price strong{ color:var(--ink); font-size:15.5px; }
.rc-table tbody tr+tr th, .rc-table tbody tr+tr td{ border-top:1px solid var(--line-soft); }
.rc-blurb{ display:block; font-size:12px; font-weight:500; color:var(--ink-mute); margin-top:3px; line-height:1.4; }

/* ---------- Ceiling ---------- */
.ceiling-block{ background:linear-gradient(180deg,#fffdf8,#fff); border-color:var(--accent-line); }
.ceiling-row{ display:flex; gap:32px; flex-wrap:wrap; }
.ceiling-big{ font-size:30px; font-weight:850; letter-spacing:-.03em; color:var(--ink); }
.ceiling-cap{ display:block; font-size:13px; color:var(--ink-mute); margin-top:2px; }
.ceiling-note{ font-size:13px; color:var(--ink-mute); margin:16px 0 0; line-height:1.55; }
.ceiling-note em{ font-style:normal; color:var(--ink-soft); font-weight:600; }

/* ---------- Gap block (the vivid hook) ---------- */
.gap-block{ background:var(--ink); color:#f3eee3; border-radius:var(--radius); padding:26px 26px 22px; margin-bottom:16px; }
.gap-title{ font-size:12.5px; font-weight:800; letter-spacing:.06em; text-transform:uppercase; color:var(--accent-line); margin-bottom:18px; }
.gap-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius-sm); overflow:hidden; }
.gap-stat{ background:#1c1813; padding:16px 14px; text-align:center; }
.gap-big{ display:block; font-size:clamp(20px,3vw,26px); font-weight:850; letter-spacing:-.02em; color:#fff; }
.gap-small{ display:block; font-size:12px; color:#a59b8b; margin-top:4px; }
.gap-line{ font-size:14.5px; color:#cfc7b9; margin:18px 0 0; line-height:1.6; }
.gap-line strong{ color:#fff; font-weight:750; }

/* ---------- Method ---------- */
.method{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); margin-bottom:16px; box-shadow:var(--shadow-sm); }
.method summary{ cursor:pointer; list-style:none; padding:18px 22px; font-size:14.5px; font-weight:650; color:var(--ink); position:relative; }
.method summary::-webkit-details-marker{ display:none; }
.method summary::after{ content:"+"; position:absolute; right:20px; top:15px; font-size:22px; color:var(--accent); transition:transform .2s ease; }
.method[open] summary::after{ transform:rotate(45deg); }
.method[open] summary{ border-bottom:1px solid var(--line-soft); }
#method-body{ padding:6px 22px 18px; }
#method-body ol{ margin:14px 0 0; padding-left:20px; }
#method-body li{ font-size:14px; color:var(--ink-soft); margin-bottom:9px; line-height:1.55; }
#method-body li strong{ color:var(--ink); }
.method-note{ font-size:12.5px; color:var(--ink-mute); margin:14px 0 0; line-height:1.55; }

/* ---------- Result CTA ---------- */
.cta-card{ background:linear-gradient(180deg,#fffdf8,#fff); border:1px solid var(--accent-line); border-radius:var(--radius); padding:30px 28px; box-shadow:0 4px 12px -4px rgba(184,116,42,.2), var(--shadow-sm); }
.cta-eyebrow{ font-size:12px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--accent-ink); margin-bottom:8px; }
.cta-h3{ font-size:26px; letter-spacing:-.02em; margin:0 0 12px; color:var(--ink); }
.cta-copy{ font-size:15.5px; color:var(--ink-soft); margin:0 0 22px; line-height:1.6; }
.cta-note{ font-size:12.5px; color:var(--ink-mute); margin:14px 0 0; text-align:center; line-height:1.5; }

/* ---------- Trust grid ---------- */
.trust-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:40px; }
.trust{ background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-sm); }
.trust-icon{ display:grid; place-items:center; width:40px; height:40px; border-radius:11px; background:var(--accent-bg); color:var(--accent); border:1px solid var(--accent-line); font-size:18px; font-weight:800; margin-bottom:16px; }
.trust h3{ font-size:17px; margin:0 0 8px; letter-spacing:-.01em; }
.trust p{ font-size:14.5px; color:var(--ink-soft); margin:0; line-height:1.55; }
.trust em{ font-style:normal; color:var(--ink); font-weight:600; }

/* ---------- Bridge ---------- */
.bridge .hero-guarantee{ display:block; font-size:14px; color:var(--ink-mute); margin-top:18px; }

/* ---------- Footer ---------- */
.footer{ background:var(--paper-2); border-top:1px solid var(--line); padding:46px 0 40px; }
.footer-fine{ font-size:12.5px; color:var(--ink-mute); margin:0 0 12px; max-width:90ch; line-height:1.6; }
.footer-fine strong{ color:var(--ink-soft); }
.footer-copy{ font-size:12.5px; color:var(--ink-mute); margin-top:18px; }

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .calc{ grid-template-columns:1fr; }
  .calc-form{ position:static; }
  .trust-grid{ grid-template-columns:1fr; }
  .section{ padding:52px 0; }
}
@media (max-width:520px){
  body{ font-size:16px; }
  .wrap{ padding:0 20px; }
  .calc-form{ padding:24px 20px; }
  .field-row{ grid-template-columns:1fr; gap:0; }
  .gap-grid{ grid-template-columns:1fr; }
  .ceiling-row{ gap:20px; }
  .hero{ padding:48px 0 28px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *{ transition:none !important; }
}