/* =============================================================================
   Proposal Structure & Pricing Kit - Sales page
   Editorial-premium presentation. Warm paper canvas, one confident indigo
   accent, Fraunces serif display against Inter, generous whitespace, soft depth,
   CSS-only micro-interactions. Deliberately NOT a generic dark AI landing page.
   ============================================================================= */

:root {
  --paper: #fbf9f5;        /* warm off-white canvas */
  --paper-2: #f4f1ea;      /* sectioned bands */
  --ink: #1a1b1f;          /* near-black text */
  --ink-2: #4a4c54;
  --ink-3: #797b85;
  --line: #e8e3d8;
  --accent: #4338ca;       /* deep indigo accent */
  --accent-2: #6d62e8;
  --accent-soft: #eceaf9;
  --good: #1c8f5f;
  --bad: #c0563e;
  --gold: #b08740;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 1px 2px rgba(26,27,31,.04), 0 4px 16px -6px rgba(26,27,31,.10);
  --shadow-md: 0 18px 50px -24px rgba(26,27,31,.30);
  --shadow-lg: 0 40px 90px -40px rgba(67,56,202,.35);
  --maxw: 1080px;
  --measure: 680px;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --serif: 'Fraunces', Georgia, 'Times New Roman', 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; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }
a { color: inherit; }

/* ---------- TYPE SCALE ---------- */
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.015em; margin: 0; }
h1 { font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.06; }
.section-title { font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.14; max-width: 18ch; }
h3 { font-size: 1.18rem; line-height: 1.25; }
em { font-style: italic; color: var(--accent); }
.section-title em { color: var(--accent); }

.eyebrow, .section-tag { font-family: var(--sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); margin: 0 0 1rem; }
.section-tag { display: inline-block; }

.lede, .section-lede { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: var(--ink-2); line-height: 1.6; max-width: var(--measure); }
.accent-text { color: var(--accent); font-weight: 600; }
.quiet { color: var(--ink-3); }
strong { font-weight: 600; color: var(--ink); }

/* ---------- BUTTONS ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: var(--sans); font-weight: 600; text-decoration: none; cursor: pointer; border-radius: 999px; transition: transform .18s cubic-bezier(.2,.8,.2,1), box-shadow .18s ease, background .18s ease; border: 1px solid transparent; }
.btn-primary { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #fff; padding: 0.85rem 1.6rem; font-size: 1rem; box-shadow: 0 10px 28px -10px rgba(67,56,202,.65); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(67,56,202,.8); }
.btn-primary:active { transform: translateY(0); }
.btn-lg { padding: 1.05rem 2rem; font-size: 1.08rem; border-radius: 14px; }
.btn-block { display: flex; width: 100%; }
.btn-nav { background: var(--ink); color: var(--paper); padding: 0.6rem 1.2rem; font-size: 0.92rem; }
.btn-nav:hover { background: var(--accent); transform: translateY(-1px); }
.btn-secondary { background: #fff; color: var(--accent); border-color: #d9d4f4; box-shadow: var(--shadow-sm); }
.btn-secondary:hover { transform: translateY(-2px); border-color: var(--accent); background: var(--accent-soft); box-shadow: var(--shadow-md); }
.cta-sub { display: block; font-size: 0.88rem; color: var(--ink-3); margin-top: 0.85rem; }

/* ---------- NAV ---------- */
.nav { position: sticky; top: 0; z-index: 30; background: rgba(251,249,245,.82); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--line); }
.nav-inner { max-width: var(--maxw); margin: 0 auto; padding: 0.95rem 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 1.05rem; text-decoration: none; letter-spacing: -0.01em; display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap; }
.brand-mark { color: var(--accent); font-size: 0.8em; }
.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { font-size: 0.92rem; color: var(--ink-2); text-decoration: none; font-weight: 500; transition: color .15s; }
.nav-links a:hover { color: var(--accent); }

/* ---------- HERO ---------- */
.hero { padding: clamp(3rem, 8vw, 6rem) 1.5rem clamp(2rem, 5vw, 4rem); }
.hero-inner { max-width: var(--maxw); margin: 0 auto; }
.hero h1 { max-width: 16ch; margin-bottom: 1.5rem; }
.hero .lede { margin-bottom: 2rem; }
.hero-cta { margin-bottom: 1rem; display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.hero-cta .cta-sub { flex-basis: 100%; margin-top: 0.4rem; }
.hero-freecheck { font-size: 0.95rem; color: var(--ink-2); margin: 0 0 1.5rem; max-width: var(--measure); }
.hero-freecheck a { color: var(--accent); font-weight: 600; text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .15s; }
.hero-freecheck a:hover { border-bottom-color: var(--accent); }
.hero-anchor { font-size: 0.95rem; color: var(--ink-2); margin: 0 0 3rem; }
.hero-anchor strong { color: var(--accent); }
.hero-anchor s { color: var(--ink-3); }

.hero-visual { display: grid; grid-template-columns: 1fr auto 1.15fr; gap: 1.25rem; align-items: center; max-width: 760px; }
.vcard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow-sm); position: relative; }
.vcard-after { box-shadow: var(--shadow-md); border-color: #d9d4f4; transform: translateY(-6px); }
.vtag { display: inline-block; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.25rem 0.65rem; border-radius: 999px; margin-bottom: 1rem; }
.vtag-bad { background: #f6e7e2; color: var(--bad); }
.vtag-good { background: var(--accent-soft); color: var(--accent); }
.vline { height: 9px; border-radius: 999px; background: #eceae4; margin-bottom: 0.7rem; }
.vline.w70 { width: 70%; } .vline.w90 { width: 90%; } .vline.w50 { width: 50%; }
.vline.w40 { width: 40%; } .vline.w60 { width: 60%; }
.vline.muted { background: #f1efe9; }
.vline.accent { background: linear-gradient(90deg, var(--accent-2), var(--accent)); opacity: .8; }
.vprice { font-family: var(--serif); font-size: 1.6rem; font-weight: 600; margin: 1rem 0 0.7rem; color: var(--ink-3); }
.vbig { font-family: var(--serif); font-size: 1.15rem; line-height: 1.3; margin-bottom: 1.1rem; color: var(--ink); }
.vtiers { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.5rem; margin-bottom: 1.1rem; }
.vtier { border: 1px solid var(--line); border-radius: 9px; padding: 0.6rem 0.4rem; text-align: center; }
.vtier span { display: block; font-size: 0.62rem; color: var(--ink-3); letter-spacing: 0.03em; }
.vtier b { font-size: 0.85rem; }
.vtier.vrec { border-color: var(--accent); background: var(--accent-soft); }
.vtier.vrec b { color: var(--accent); }
.varrow { font-size: 1.6rem; color: var(--accent); text-align: center; }

/* ---------- BANDS ---------- */
.band { padding: clamp(3.5rem, 8vw, 6.5rem) 1.5rem; }
.band-inner { max-width: var(--maxw); margin: 0 auto; }
.band-problem { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band .section-lede { margin: 1.25rem 0 2.5rem; }

/* ---------- PROBLEM ---------- */
.pain-list { list-style: none; margin: 0 0 2.5rem; padding: 0; display: grid; gap: 1rem; max-width: 760px; }
.pain-list li { display: flex; gap: 1rem; align-items: flex-start; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; transition: transform .18s ease, box-shadow .18s ease; }
.pain-list li:hover { transform: translateX(4px); box-shadow: var(--shadow-sm); }
.pain-x { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: #f6e7e2; color: var(--bad); font-weight: 700; font-size: 0.85rem; margin-top: 1px; }
.pain-list b { color: var(--ink); }
.pain-list div { font-size: 0.98rem; color: var(--ink-2); }
.problem-kicker { font-family: var(--serif); font-size: clamp(1.15rem, 2.2vw, 1.5rem); line-height: 1.45; max-width: 28ch; color: var(--ink); border-left: 3px solid var(--accent); padding-left: 1.5rem; }
.problem-kicker em { font-style: italic; }

/* ---------- MECHANISM ---------- */
.mechanism-grid { list-style: none; margin: 2.5rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.mechanism-grid li { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.4rem 1.3rem 1.5rem; position: relative; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.mechanism-grid li:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: #d9d4f4; }
.mech-num { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-family: var(--serif); font-weight: 600; font-size: 1rem; margin-bottom: 0.9rem; }
.mechanism-grid h3 { margin-bottom: 0.5rem; font-size: 1.08rem; }
.mechanism-grid p { font-size: 0.92rem; color: var(--ink-2); margin: 0; }
.mech-payoff { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-color: transparent; }
.mech-payoff h3 { color: #fff; }
.mech-payoff .mech-num { background: rgba(255,255,255,.2); color: #fff; }
.mech-payoff p { color: rgba(255,255,255,.88); }

/* ---------- WHAT'S INSIDE ---------- */
.band-inside { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.inside-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 2.5rem; }
.inside-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1.5rem; transition: transform .18s ease, box-shadow .18s ease; }
.inside-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.inside-card h3 { margin-bottom: 0.55rem; }
.inside-card p { font-size: 0.93rem; color: var(--ink-2); margin: 0; }
.inside-card.feature { grid-column: span 2; grid-row: span 2; background: linear-gradient(160deg, #fff, var(--accent-soft)); border-color: #d9d4f4; box-shadow: var(--shadow-md); }
.inside-badge { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: #fff; background: var(--accent); padding: 0.3rem 0.7rem; border-radius: 999px; margin-bottom: 0.9rem; }
.inside-card.feature h3 { font-size: 1.5rem; }
.inside-card.feature p { font-size: 1rem; }
.mini-list { list-style: none; margin: 1.1rem 0 0; padding: 0; display: grid; gap: 0.55rem; }
.mini-list li { font-size: 0.92rem; color: var(--ink-2); padding-left: 1.5rem; position: relative; }
.mini-list li::before { content: '+'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* ---------- PRICING ---------- */
.offer-card { margin-top: 2.5rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; display: grid; grid-template-columns: 1fr 0.9fr; }
.offer-stack { padding: 2.2rem 2rem; }
.stack-row { display: flex; justify-content: space-between; gap: 1rem; padding: 0.8rem 0; border-bottom: 1px solid var(--line); font-size: 0.96rem; color: var(--ink-2); }
.stack-row .v { font-weight: 600; color: var(--ink); white-space: nowrap; }
.stack-total { display: flex; justify-content: space-between; padding: 1rem 0 0; margin-top: 0.4rem; font-family: var(--serif); font-size: 1.2rem; font-weight: 600; }
.stack-total .v s { color: var(--ink-3); }

.offer-price { background: linear-gradient(165deg, #1d1e26, #14151b); color: var(--paper); padding: 2.4rem 2rem; display: flex; flex-direction: column; justify-content: center; }
.price-label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-2); margin: 0 0 0.6rem; }
.price-figure { display: flex; align-items: baseline; gap: 0.8rem; margin-bottom: 0.5rem; }
.price-now { font-family: var(--serif); font-size: 3.6rem; font-weight: 600; line-height: 1; letter-spacing: -0.02em; }
.price-was { font-size: 1.3rem; color: rgba(251,249,245,.5); text-decoration: line-through; }
.price-note { font-size: 0.88rem; color: rgba(251,249,245,.7); margin: 0 0 1.5rem; }
.offer-price .btn-primary { background: linear-gradient(135deg, #7d72f0, var(--accent-2)); }
.price-foot { font-size: 0.78rem; color: rgba(251,249,245,.55); margin: 1rem 0 0; line-height: 1.5; }
.single-vertical-note { margin-top: 1.5rem; font-size: 0.95rem; color: var(--ink-2); text-align: center; }

/* ---------- GUARANTEE ---------- */
.band-guarantee { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guarantee-inner { display: grid; grid-template-columns: auto 1fr; gap: 2.5rem; align-items: center; }
.guarantee-seal { flex: none; width: 150px; height: 150px; border-radius: 50%; display: grid; place-items: center; align-content: center; background: radial-gradient(circle at 35% 30%, #fff, var(--paper)); border: 2px solid var(--gold); box-shadow: 0 0 0 6px rgba(176,135,64,.12), var(--shadow-md); color: var(--gold); text-align: center; }
.guarantee-seal span { font-family: var(--serif); font-size: 3rem; font-weight: 600; line-height: 1; }
.guarantee-seal small { font-size: 0.85rem; letter-spacing: 0.25em; font-weight: 700; }
.guarantee-body .section-title { max-width: 22ch; margin-bottom: 1rem; }
.guarantee-body p { color: var(--ink-2); max-width: 60ch; margin: 0 0 1rem; }
.guarantee-fine { font-size: 0.88rem; color: var(--ink-3); }

/* ---------- FAQ ---------- */
.faq { margin-top: 2.5rem; max-width: 780px; }
.faq-item { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; margin-bottom: 0.8rem; overflow: hidden; transition: box-shadow .18s ease, border-color .18s ease; }
.faq-item[open] { box-shadow: var(--shadow-sm); border-color: #d9d4f4; }
.faq-item summary { cursor: pointer; padding: 1.15rem 1.4rem; font-weight: 600; font-size: 1.02rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-family: var(--serif); font-size: 1.5rem; color: var(--accent); flex: none; transition: transform .2s ease; }
.faq-item[open] summary::after { content: '–'; }
.faq-a { padding: 0 1.4rem 1.3rem; }
.faq-a p { margin: 0; color: var(--ink-2); font-size: 0.98rem; }
.faq-cta { text-align: center; margin-top: 3rem; }

/* ---------- FOOTER ---------- */
.site-footer { background: var(--ink); color: rgba(251,249,245,.62); padding: 3.5rem 1.5rem; }
.footer-inner { max-width: var(--maxw); margin: 0 auto; }
.footer-brand { font-family: var(--serif); font-size: 1.1rem; color: var(--paper); margin: 0 0 1.5rem; display: inline-flex; align-items: center; gap: 0.5rem; }
.footer-brand .brand-mark { color: var(--accent-2); }
.footer-disclosure, .footer-legal { font-size: 0.85rem; line-height: 1.6; max-width: 80ch; margin: 0 0 1rem; }
.footer-disclosure strong, .footer-legal strong { color: var(--paper); }
.footer-copy { font-size: 0.8rem; color: rgba(251,249,245,.4); margin: 1.5rem 0 0; padding-top: 1.5rem; border-top: 1px solid rgba(251,249,245,.12); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .mechanism-grid { grid-template-columns: repeat(2, 1fr); }
  .inside-grid { grid-template-columns: repeat(2, 1fr); }
  .inside-card.feature { grid-column: span 2; grid-row: auto; }
  .offer-card { grid-template-columns: 1fr; }
  .guarantee-inner { grid-template-columns: 1fr; gap: 1.5rem; justify-items: start; }
}
@media (max-width: 620px) {
  .hero-visual { grid-template-columns: 1fr; }
  .varrow { transform: rotate(90deg); }
  .vcard-after { transform: none; }
  .mechanism-grid, .inside-grid { grid-template-columns: 1fr; }
  .guarantee-seal { width: 120px; height: 120px; }
  .guarantee-seal span { font-size: 2.4rem; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }