/* =============================================================================
   MTD ITSA Chase Engine — premium sales page stylesheet
   Restrained palette: near-black canvas, one blue accent, ink + slate text.
   Type: Inter (UI/sans) + Newsreader (editorial italic accents).
   ============================================================================= */

:root{
  --bg:#0a0c12;
  --bg-2:#0e1018;
  --panel:#13161f;
  --panel-2:#171b26;
  --line:#222838;
  --line-soft:#1b2030;
  --ink:#f3f5fa;
  --ink-2:#c9cfdd;
  --muted:#919ab2;
  --faint:#6a7290;
  --accent:#3b82f6;
  --accent-2:#6ea8ff;
  --accent-deep:#1e40af;
  --accent-soft:rgba(59,130,246,.12);
  --green:#34d399;
  --amber:#fbbf24;
  --red:#f87171;
  --slate:#64748b;
  --maxw:1140px;
  --radius:16px;
  --radius-sm:11px;
  --shadow-1:0 1px 0 rgba(255,255,255,.03), 0 18px 50px rgba(0,0,0,.5);
  --shadow-2:0 30px 80px rgba(0,0,0,.55);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --serif:'Newsreader',Georgia,'Times New Roman',serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--ink-2);
  line-height:1.6;
  font-size:16px;
  letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
  background-image:
    radial-gradient(1100px 600px at 78% -8%, rgba(59,130,246,.13), transparent 58%),
    radial-gradient(900px 500px at 8% 8%, rgba(59,130,246,.06), transparent 60%);
}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:860px}

/* type scale */
h1,h2,h3{color:var(--ink);letter-spacing:-.03em;line-height:1.08;font-weight:720}
h1{font-size:clamp(2.3rem,5.4vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.18rem;font-weight:680;letter-spacing:-.02em;line-height:1.25}
.hl{color:var(--accent-2);font-family:var(--serif);font-style:italic;font-weight:500}
em{font-family:var(--serif);font-style:italic;color:var(--ink);font-weight:500}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:inherit;font-weight:600;font-size:.95rem;letter-spacing:-.01em;
  border-radius:12px;padding:13px 22px;cursor:pointer;border:1px solid transparent;
  transition:transform .12s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
  white-space:nowrap;line-height:1.1;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(180deg,#4a8cf7,#3b82f6);color:#fff;
  box-shadow:0 8px 24px rgba(59,130,246,.38), inset 0 1px 0 rgba(255,255,255,.22);
}
.btn-primary:hover{background:linear-gradient(180deg,#5896ff,#2f76ec);box-shadow:0 12px 32px rgba(59,130,246,.5)}
.btn-ghost{background:rgba(255,255,255,.03);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:#33405c;background:rgba(255,255,255,.06)}
.btn-sm{padding:9px 16px;font-size:.875rem;border-radius:10px}
.btn-lg{padding:16px 28px;font-size:1.02rem;border-radius:13px}
.btn-block{width:100%}
.btn-sub{display:block;font-weight:450;font-size:.72rem;opacity:.85;margin-top:2px}
.btn-lg .btn-sub{margin-top:3px}

/* promo strip */
.strip{
  background:linear-gradient(90deg,rgba(59,130,246,.16),rgba(59,130,246,.06));
  border-bottom:1px solid rgba(59,130,246,.2);
  text-align:center;font-size:.84rem;color:var(--ink-2);padding:9px 16px;letter-spacing:-.005em;
}
.strip b{color:var(--ink);font-weight:650}
.strip-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 9px var(--accent);margin-right:8px;vertical-align:1px;animation:pulse 2.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* nav */
.nav{position:sticky;top:0;z-index:60;backdrop-filter:blur(14px);
  background:rgba(10,12,18,.78);border-bottom:1px solid var(--line-soft)}
.nav-inner{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:11px;font-weight:680;letter-spacing:-.02em}
.brand-mark{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800;
  font-size:15px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-deep));
  box-shadow:0 5px 16px rgba(59,130,246,.45)}
.brand-name{font-size:1.02rem;color:var(--ink)}
.brand-name span{color:var(--muted);font-weight:500}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:.92rem}
.nav-links a{color:var(--muted);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav .btn{margin-left:8px}
@media(max-width:880px){.nav-links{display:none}}

/* ---- HERO ---------------------------------------------------------------- */
.hero{padding:64px 0 40px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
@media(max-width:940px){.hero-grid{grid-template-columns:1fr;gap:40px}}

.eyebrow{display:inline-block;font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent-2);background:var(--accent-soft);border:1px solid rgba(59,130,246,.22);
  padding:6px 13px;border-radius:999px;margin-bottom:22px}
.hero-copy h1{margin-bottom:20px}
.lede{font-size:1.18rem;color:var(--ink-2);line-height:1.55;max-width:36ch;margin-bottom:30px}
@media(max-width:940px){.lede{max-width:100%}}

.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}

/* free diagnostic CTA (lead magnet entry point) */
.free-check-cta{display:flex;align-items:center;gap:14px;margin-bottom:26px;max-width:520px;
  background:linear-gradient(135deg,rgba(59,130,246,.1),var(--panel));
  border:1px solid rgba(59,130,246,.28);border-radius:13px;padding:13px 16px;
  transition:border-color .18s ease, background .18s ease, transform .12s ease}
.free-check-cta:hover{border-color:rgba(59,130,246,.5);background:linear-gradient(135deg,rgba(59,130,246,.16),var(--panel));transform:translateY(-1px)}
.free-check-cta .fc-badge{flex-shrink:0;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--green);background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.28);
  padding:5px 10px;border-radius:999px;line-height:1.1}
.free-check-cta .fc-text{font-size:.9rem;color:var(--ink-2);line-height:1.45}
.free-check-cta .fc-text b{color:var(--ink);font-weight:650}
.free-check-cta .fc-arrow{flex-shrink:0;margin-left:auto;color:var(--accent-2);font-size:1.1rem;font-weight:600;
  transition:transform .18s ease}
.free-check-cta:hover .fc-arrow{transform:translateX(3px)}
@media(max-width:480px){.free-check-cta .fc-arrow{display:none}}
.hero-ticks{list-style:none;display:flex;flex-direction:column;gap:11px}
.hero-ticks li{position:relative;padding-left:28px;font-size:.94rem;color:var(--muted)}
.hero-ticks li::before{content:'';position:absolute;left:0;top:2px;width:18px;height:18px;border-radius:6px;
  background:var(--accent-soft);border:1px solid rgba(59,130,246,.3)}
.hero-ticks li::after{content:'';position:absolute;left:6px;top:6px;width:6px;height:9px;
  border-right:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);transform:rotate(40deg)}

/* product preview */
.hero-visual{position:relative}
.glow{position:absolute;inset:-40px -20px;z-index:0;
  background:radial-gradient(circle at 60% 35%,rgba(59,130,246,.22),transparent 60%);filter:blur(20px)}
.screen{position:relative;z-index:1;background:linear-gradient(180deg,var(--panel),#10131c);
  border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-2);overflow:hidden;
  transform:perspective(1400px) rotateX(2deg) rotateY(-4deg);transition:transform .5s ease}
.hero-visual:hover .screen{transform:perspective(1400px) rotateX(0) rotateY(0)}
.screen-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line-soft);
  background:var(--panel-2)}
.screen-bar span{width:11px;height:11px;border-radius:50%;background:#2a3142}
.screen-bar span:first-child{background:#f87171aa}.screen-bar span:nth-child(2){background:#fbbf24aa}.screen-bar span:nth-child(3){background:#34d399aa}
.screen-bar em{margin-left:10px;font-family:var(--sans);font-style:normal;font-size:.74rem;color:var(--faint);letter-spacing:.02em}
.screen-body{padding:18px}
.dl-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.dl{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:11px;padding:11px 13px;position:relative}
.dl.next{border-color:rgba(59,130,246,.4);box-shadow:0 0 0 1px rgba(59,130,246,.22)}
.dl-q{font-size:.62rem;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.dl-d{font-size:1.05rem;font-weight:700;color:var(--ink);margin-top:2px}
.dl-c{font-size:.72rem;color:var(--green);margin-top:3px;font-weight:600}
.dl-c.soon{color:var(--amber)}
.mini-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}
.mm{background:var(--panel-2);border:1px solid var(--line-soft);border-radius:11px;padding:11px 12px}
.mm b{display:block;font-size:1.4rem;font-weight:760;color:var(--ink);letter-spacing:-.03em}
.mm span{font-size:.68rem;color:var(--muted)}
.mm.ok b{color:var(--green)}.mm.flag b{color:var(--red)}
.bar-label{font-size:.68rem;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;margin-bottom:7px}
.seg{display:flex;height:12px;border-radius:6px;overflow:hidden;margin-bottom:18px;background:var(--panel-2)}
.seg i{display:block;height:100%}
.chase-line{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;border-top:1px solid var(--line-soft)}
.chase-line b{display:block;font-size:.86rem;color:var(--ink);font-weight:600}
.chase-line span{font-size:.74rem;color:var(--muted)}
.chase-line .pill{font-size:.7rem;font-weight:600;color:var(--accent-2);background:var(--accent-soft);
  border:1px solid rgba(59,130,246,.25);border-radius:999px;padding:5px 11px;white-space:nowrap}

/* ---- TRUST ROW ----------------------------------------------------------- */
.trustrow{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
  background:rgba(255,255,255,.012);padding:30px 0}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:760px){.trust-inner{grid-template-columns:1fr 1fr;gap:22px}}
.trust-item{text-align:center}
.trust-item b{display:block;font-size:1.9rem;font-weight:760;color:var(--ink);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums}
.trust-item span{font-size:.82rem;color:var(--muted);line-height:1.4;display:block;margin-top:4px}

/* ---- SECTIONS ------------------------------------------------------------ */
.section{padding:84px 0}
.section-alt{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.kicker{font-size:.78rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2);margin-bottom:14px}
.kicker.centered{text-align:center}
.section-title{margin-bottom:18px;max-width:20ch}
.section-title.centered{text-align:center;margin-left:auto;margin-right:auto;max-width:24ch}
.section-lede{font-size:1.12rem;color:var(--muted);line-height:1.6;max-width:60ch;margin-bottom:48px}
.section-lede.centered{text-align:center;margin-left:auto;margin-right:auto}

/* problem grid */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.pain-grid{grid-template-columns:1fr}}
.pain{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-1);transition:transform .2s ease, border-color .2s ease}
.pain:hover{transform:translateY(-3px);border-color:#2c3550}
.pain-no{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--accent-2);margin-bottom:14px;opacity:.85}
.pain h3{margin-bottom:10px}
.pain p{font-size:.96rem;color:var(--muted);line-height:1.62}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:42px}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  box-shadow:var(--shadow-1);position:relative}
.step-num{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:760;font-size:1.15rem;
  color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-deep));margin-bottom:18px;
  box-shadow:0 6px 18px rgba(59,130,246,.4)}
.step h3{margin-bottom:10px}
.step p{font-size:.96rem;color:var(--muted);line-height:1.62}
.step b{color:var(--ink-2);font-weight:600}

.mechanism-note{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:var(--radius);padding:26px 30px;display:flex;gap:22px;align-items:flex-start;box-shadow:var(--shadow-1)}
@media(max-width:620px){.mechanism-note{flex-direction:column;gap:12px}}
.mn-badge{flex-shrink:0;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--accent-2);background:var(--accent-soft);border:1px solid rgba(59,130,246,.25);
  padding:8px 13px;border-radius:999px;margin-top:2px}
.mechanism-note p{font-size:1rem;color:var(--ink-2);line-height:1.6}
.mechanism-note b{color:var(--ink);font-weight:600}

/* what's inside */
.inside-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:32px}
@media(max-width:760px){.inside-grid{grid-template-columns:1fr}}
.inside-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  box-shadow:var(--shadow-1);transition:transform .2s ease, border-color .2s ease}
.inside-card:hover{transform:translateY(-3px);border-color:#2c3550}
.inside-card.feature{grid-column:1 / -1;background:linear-gradient(135deg,rgba(59,130,246,.08),var(--panel));
  border-color:rgba(59,130,246,.28)}
.ic-tag{display:inline-block;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--muted);background:var(--panel-2);border:1px solid var(--line);padding:5px 11px;border-radius:999px;margin-bottom:14px}
.feature .ic-tag{color:var(--accent-2);background:var(--accent-soft);border-color:rgba(59,130,246,.3)}
.inside-card h3{margin-bottom:9px}
.inside-card p{font-size:.96rem;color:var(--muted);line-height:1.62}
.inside-foot{text-align:center;font-size:.98rem;color:var(--muted)}
.inside-foot b{color:var(--ink-2);font-weight:600}

/* pricing */
.price-card{background:linear-gradient(180deg,var(--panel),#0f121b);border:1px solid var(--line);
  border-radius:22px;padding:40px 38px;box-shadow:var(--shadow-2);max-width:560px;margin:0 auto;position:relative;overflow:hidden}
.price-card::before{content:'';position:absolute;inset:0;background:radial-gradient(600px 200px at 50% -30%,rgba(59,130,246,.16),transparent 70%);pointer-events:none}
.price-head{text-align:center;margin-bottom:22px;position:relative}
.price-name{font-size:1.3rem;font-weight:700;color:var(--ink);letter-spacing:-.02em}
.price-sub{font-size:.9rem;color:var(--muted);margin-top:5px}
.price-figure{text-align:center;display:flex;align-items:baseline;justify-content:center;gap:12px;margin-bottom:10px;position:relative}
.anchor{font-size:1.5rem;color:var(--faint);text-decoration:line-through;font-weight:500}
.now{font-size:3.6rem;font-weight:780;color:var(--ink);letter-spacing:-.04em;line-height:1}
.period{font-size:1rem;color:var(--muted);font-weight:500}
.price-urgency{text-align:center;font-size:.86rem;color:var(--muted);margin-bottom:26px;position:relative;line-height:1.5}
.price-urgency b{color:var(--ink-2);font-weight:600}
.price-list{list-style:none;margin-bottom:24px;position:relative}
.price-list li{position:relative;padding:11px 0 11px 30px;font-size:.97rem;color:var(--ink-2);border-bottom:1px solid var(--line-soft)}
.price-list li:last-child{border-bottom:none}
.price-list li::before{content:'';position:absolute;left:0;top:15px;width:17px;height:17px;border-radius:50%;
  background:var(--accent-soft);border:1px solid rgba(59,130,246,.35)}
.price-list li::after{content:'';position:absolute;left:6px;top:18px;width:5px;height:8px;
  border-right:2px solid var(--accent-2);border-bottom:2px solid var(--accent-2);transform:rotate(40deg)}
.price-list .val{float:right;font-size:.8rem;color:var(--faint);font-weight:500}
.price-stack{text-align:center;font-size:.95rem;color:var(--muted);margin-bottom:22px;
  padding:12px;background:var(--panel-2);border:1px solid var(--line-soft);border-radius:11px;position:relative}
.price-stack b{color:var(--ink);font-weight:700}
.price-foot{text-align:center;font-size:.8rem;color:var(--faint);margin-top:14px;line-height:1.5;position:relative}
.roi-line{text-align:center;font-size:1rem;color:var(--muted);max-width:54ch;margin:32px auto 0;line-height:1.6}
.roi-line b{color:var(--ink-2);font-weight:600}

/* guarantee */
.guarantee{background:linear-gradient(135deg,rgba(59,130,246,.1),var(--panel));
  border:1px solid rgba(59,130,246,.3);border-radius:var(--radius);padding:36px 38px;
  display:flex;gap:26px;align-items:flex-start;box-shadow:var(--shadow-1)}
@media(max-width:620px){.guarantee{flex-direction:column;gap:16px;padding:30px 26px}}
.g-seal{flex-shrink:0;width:64px;height:64px;border-radius:16px;display:grid;place-items:center;
  background:var(--bg);border:1px solid rgba(59,130,246,.3);box-shadow:0 8px 24px rgba(59,130,246,.2)}
.g-body h2{font-size:1.5rem;margin-bottom:12px}
.g-body p{font-size:1.02rem;color:var(--ink-2);line-height:1.62}
.g-fine{font-size:.85rem!important;color:var(--faint)!important;margin-top:10px}

/* faq */
.faq{margin-bottom:54px}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:10px;
  transition:border-color .18s ease}
.faq details[open]{border-color:#2c3550}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:1.02rem;color:var(--ink);
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:1.4rem;color:var(--accent-2);font-weight:400;transition:transform .2s ease;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;font-size:.97rem;color:var(--muted);line-height:1.65}

/* final cta */
.final-cta{text-align:center;background:linear-gradient(135deg,rgba(59,130,246,.1),var(--panel));
  border:1px solid rgba(59,130,246,.26);border-radius:var(--radius);padding:48px 32px;box-shadow:var(--shadow-1)}
.final-cta h2{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px}
.final-cta p{font-size:1.08rem;color:var(--ink-2);max-width:48ch;margin:0 auto 28px;line-height:1.5}

/* footer */
.footer{border-top:1px solid var(--line-soft);background:var(--bg-2);padding:48px 0 40px}
.footer-inner{display:flex;flex-direction:column;gap:20px}
.footer-brand{display:flex;align-items:center;gap:11px;font-weight:680;color:var(--ink);font-size:1.02rem}
.footer-disclaimer p{font-size:.82rem;color:var(--faint);line-height:1.6;max-width:90ch;margin-bottom:9px}
.footer-disclaimer b{color:var(--muted)}
.footer-copy{font-size:.8rem;color:var(--faint);border-top:1px solid var(--line-soft);padding-top:18px}

/* a11y / motion */
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .screen{transform:none!important}
}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:6px}