:root{
  --ink:#0A0A0A; --white:#FFFFFF; --paper:#F6F6F5; --line:#E1E1DF;
  --muted:#6B6B68; --faint:#9C9C98;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:'Space Grotesk',Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--ink);text-decoration:none}
.mono{font-family:'JetBrains Mono',monospace}
img,svg{display:block;max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 40px}
@media(max-width:720px){.wrap{padding:0 22px}}

/* ---------- header: logo only ---------- */
header.site{display:flex;align-items:center;padding:26px 40px}
@media(max-width:720px){header.site{padding:20px 22px}}
.brand{display:flex;align-items:center;gap:10px}
.mark{width:24px;height:24px;background:var(--ink);flex:none}
.brand-name{font-size:15px;font-weight:600;letter-spacing:-.01em}

/* ---------- generic page shell for sub-pages ---------- */
main.page{padding:8px 0 100px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:34px}
.back-link:hover{color:var(--ink)}
.page-eyebrow{font-size:13px;color:var(--muted);margin-bottom:10px}
h1.page-title{font-size:clamp(30px,4.4vw,48px);font-weight:600;letter-spacing:-.03em;line-height:1.05;margin:0 0 18px}
.page-lede{font-size:17px;line-height:1.6;color:var(--muted);max-width:38em;margin:0 0 56px}
h2.section-title{font-size:clamp(21px,2.4vw,26px);font-weight:600;letter-spacing:-.02em;margin:0 0 6px}
.section-sub{font-size:14.5px;color:var(--muted);margin:0 0 28px;max-width:34em}
section.block{padding-top:52px;border-top:1px solid var(--line);margin-top:52px}
section.block:first-of-type{border-top:none;margin-top:0;padding-top:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;border-radius:2px;cursor:pointer;border:1px solid var(--ink);padding:15px 26px;font-size:15px;transition:.15s ease}
.btn-primary{background:var(--ink);color:var(--white)}
.btn-primary:hover{background:#000;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}

/* ---------- hero (index) ---------- */
.hero{display:grid;grid-template-columns:1fr 1fr;min-height:calc(100vh - 88px);align-items:center;gap:40px}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto;padding-bottom:40px}}
.hero-left{padding-right:20px}
.hero-plan{font-size:13px;color:var(--muted);margin-bottom:22px}
.hero-plan b{color:var(--ink);font-weight:600}
h1.hero-title{font-size:clamp(40px,5.6vw,74px);line-height:.98;letter-spacing:-.035em;font-weight:600;margin:0}
.hero-sub{font-size:16.5px;line-height:1.6;color:var(--muted);max-width:26em;margin:22px 0 0}
.hero-cta{margin-top:38px}
.hero-note{font-size:12.5px;color:var(--faint);margin-top:14px}

.hero-right{display:flex;justify-content:center}
.phone{width:290px;border-radius:34px;background:var(--ink);padding:10px;box-shadow:0 40px 80px -32px rgba(0,0,0,.25)}
.phone-screen{border-radius:25px;overflow:hidden;background:var(--white);border:1px solid #111;aspect-ratio:9/19.5;position:relative}
.phone-screen video,.phone-screen img{width:100%;height:100%;object-fit:cover}
.rec-badge{position:absolute;top:14px;left:14px;display:flex;align-items:center;gap:6px;background:rgba(0,0,0,.65);color:#fff;padding:5px 9px 5px 7px;border-radius:999px;font-size:10px;letter-spacing:.06em}
.rec-dot{width:7px;height:7px;border-radius:999px;background:#E23B3B;animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- footer: only nav present ---------- */
footer.site{border-top:1px solid var(--line);padding:34px 40px}
@media(max-width:720px){footer.site{padding:26px 22px}}
.footer-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-links{display:flex;flex-wrap:wrap;gap:24px;font-size:13.5px;color:var(--muted)}
.footer-links a:hover{color:var(--ink)}
.footer-copy{font-size:12.5px;color:var(--faint)}

/* ---------- shared content blocks used on sub-pages ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:800px){.grid-3{grid-template-columns:1fr}}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media(max-width:640px){.grid-2{grid-template-columns:1fr}}
.cell{background:var(--white);padding:26px}
.cell-t{font-size:15.5px;font-weight:600;letter-spacing:-.01em}
.cell-s{font-size:13.5px;color:var(--muted);line-height:1.55;margin-top:7px}
.cell-num{font-size:13px;color:var(--faint);margin-bottom:12px}

.steps{display:flex;flex-direction:column}
.step-row{display:grid;grid-template-columns:60px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--line)}
.step-row:first-child{border-top:none}
.step-num{font-size:13px;color:var(--faint)}
.step-row h3{font-size:18px;font-weight:600;margin:0 0 6px;letter-spacing:-.01em}
.step-row p{font-size:14px;color:var(--muted);line-height:1.6;margin:0;max-width:40em}

.stat-row{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.stat-cell{background:var(--white);padding:24px;flex:1 1 190px}
.stat-num{font-size:30px;font-weight:600;letter-spacing:-.02em}
.stat-label{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.5}
.stat-diff{font-size:11.5px;color:var(--faint);margin-top:4px}

.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
@media(max-width:900px){.tier-grid{grid-template-columns:1fr}}
.tier{background:var(--white);padding:30px;display:flex;flex-direction:column;gap:16px}
.tier.tier-dark{background:var(--ink);color:var(--white)}
.tier-name{font-size:14px;font-weight:600;letter-spacing:-.01em}
.tier-badge{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--faint)}
.tier.tier-dark .tier-badge{color:#9C9C98}
.tier-price{font-size:32px;font-weight:600;letter-spacing:-.02em}
.tier-price span{font-size:13px;font-weight:500;color:var(--muted)}
.tier.tier-dark .tier-price span{color:#9C9C98}
.tier-desc{font-size:13.5px;color:var(--muted);line-height:1.5}
.tier.tier-dark .tier-desc{color:#C7C7C4}
.tier-feats{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:13.5px}
.tier-feats li{display:flex;gap:9px;align-items:flex-start}
.tier-feats li::before{content:"—";color:var(--faint);flex:none}

.calc-card{background:var(--ink);color:var(--white);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
@media(max-width:800px){.calc-card{grid-template-columns:1fr;padding:28px}}
.calc-label{font-size:12px;color:#B6B6B2;margin-bottom:9px;display:block}
.calc-toggle-row{display:flex;gap:8px;flex-wrap:wrap}
.calc-toggle-btn{font-family:inherit;font-size:12.5px;font-weight:500;padding:9px 13px;border:1px solid #3A3A38;background:transparent;color:#B6B6B2;cursor:pointer}
.calc-toggle-btn.active{background:var(--white);color:var(--ink);border-color:var(--white)}
.calc-field{margin-bottom:20px}
.calc-input-row{display:flex;align-items:center;gap:10px}
.calc-input-row input[type="range"]{flex:1;accent-color:var(--white);height:3px}
.calc-value{font-size:14px;font-weight:600;background:#1D1D1C;border:1px solid #3A3A38;padding:6px 10px;min-width:66px;text-align:center}
.calc-note{font-size:11.5px;color:#8C8C88;margin-top:14px;line-height:1.5}
.calc-result-label{font-size:12px;color:#B6B6B2}
.calc-result-num{font-size:40px;font-weight:600;letter-spacing:-.02em;margin-top:8px}
.calc-result-sub{font-size:13px;color:#B6B6B2;margin-top:8px;line-height:1.5}
.calc-breakdown{margin-top:18px;padding-top:16px;border-top:1px solid #2E2E2C;font-size:12.5px;color:#B6B6B2;display:flex;flex-direction:column;gap:8px}
.calc-breakdown b{color:#fff}

.savings-card{border:1px solid var(--line);padding:36px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-top:8px}
@media(max-width:760px){.savings-card{flex-direction:column;align-items:stretch}}
.savings-col{text-align:center;min-width:130px}
.savings-col-label{font-size:11px;color:var(--faint)}
.savings-col-num{font-size:28px;font-weight:600;margin-top:8px}
.savings-strike{color:var(--faint);text-decoration:line-through}
.savings-arrow{font-size:20px;color:var(--faint)}
.savings-result{background:var(--ink);color:var(--white);padding:20px 30px;text-align:center;min-width:200px}
.savings-result-label{font-size:11px;color:#B6B6B2}
.savings-result-num{font-size:32px;font-weight:600;margin-top:6px}
.savings-result-sub{font-size:12px;color:#B6B6B2;margin-top:8px}

.showcase-list{display:flex;flex-direction:column;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px}
.showcase-row{background:var(--white);padding:26px;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:center}
@media(max-width:600px){.showcase-row{grid-template-columns:1fr}}
.showcase-thumb{background:var(--paper);border:1px solid var(--line);height:80px}
.showcase-t{font-size:15px;font-weight:600}
.showcase-s{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.55}