/* ---- Caviam Growth · clean-premium ---- */
:root{
  --ink:#131a26;
  --ink-2:#2c3646;
  --muted:#5f6b7d;
  --bg:#ffffff;
  --soft:#f4f7fb;
  --line:#e4eaf2;
  --accent:#1f5fe0;
  --accent-dark:#1544ad;
  --accent-soft:#eaf1ff;
  --radius:14px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}
.center{text-align:center;margin-left:auto;margin-right:auto}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
em{font-style:italic;color:var(--ink-2)}
.muted{color:var(--muted)}
.small{font-size:.9rem}

/* nav */
.nav{background:#fff;border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:800;letter-spacing:.14em;font-size:.95rem;color:var(--ink);display:inline-flex;align-items:center;gap:9px}
.brand span{color:var(--accent)}
.brand-mark{height:26px;width:auto;flex:none;display:block}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:.92rem;font-weight:600;color:var(--ink-2)}
.nav-links a:hover{color:var(--accent)}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:#fff}

/* buttons */
.btn{display:inline-block;font-weight:700;font-size:.95rem;padding:14px 26px;border-radius:40px;border:1.5px solid transparent;transition:.18s;cursor:pointer;letter-spacing:.01em}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(31,95,224,.24)}
.btn-primary:hover{background:var(--accent-dark);box-shadow:0 8px 22px rgba(31,95,224,.32)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-lg{padding:17px 34px;font-size:1.02rem}

/* hero */
.hero{padding:92px 0 78px;background:linear-gradient(180deg,#fff 0%,var(--soft) 100%)}
.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.76rem;font-weight:700;color:var(--accent);margin-bottom:20px}
.hero h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:800;max-width:16ch}
.hero .lead{font-size:1.18rem;color:var(--ink-2);max-width:56ch;margin-top:22px}
.lead{font-size:1.12rem;color:var(--ink-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-trust{margin-top:26px;font-size:.9rem;color:var(--muted);font-weight:600;letter-spacing:.01em}

/* sections */
.section{padding:88px 0}
.band{padding:88px 0;background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:640px;margin-bottom:48px}
.kicker{text-transform:uppercase;letter-spacing:.15em;font-size:.76rem;font-weight:700;color:var(--accent);margin-bottom:14px}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800}
.band .narrow h2{margin-bottom:18px}

/* cards / offer ladder */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;display:flex;flex-direction:column;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(19,26,38,.08);border-color:#d3ddec}
.card.featured{border-color:var(--accent);box-shadow:0 14px 40px rgba(31,95,224,.14);position:relative}
.card .tag{position:absolute;top:-11px;left:24px;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:20px}
.card .price{font-size:1.9rem;font-weight:800;letter-spacing:-.02em;margin-bottom:6px}
.card .price span{font-size:.9rem;font-weight:600;color:var(--muted)}
.card .price.free{color:var(--accent)}
.card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.card p{color:var(--muted);font-size:.95rem}
a.card{cursor:pointer}
a.card .learn{margin-top:auto;padding-top:18px;color:var(--accent);font-weight:700;font-size:.9rem}
a.card:hover .learn{text-decoration:underline}
.pillar-label{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:800;color:var(--ink-2);margin:0 0 18px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.cards + .pillar-label{margin-top:48px}
.cards-solo{grid-template-columns:1fr}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-solo .card{padding:32px 30px}
.card .price.free.bottom{margin-top:auto;margin-bottom:2px;font-size:1.9rem}
a.card .learn.tight{margin-top:0;padding-top:2px}
.signature{font-style:italic;color:var(--muted);margin-top:22px;font-weight:600}
.about-more{margin-top:20px}

/* case study — browser mockup + two-column */
.case-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.mock{border-radius:12px;overflow:hidden;box-shadow:0 26px 64px rgba(19,26,38,.20);border:1px solid var(--line);background:#fff}
.mock-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#eef2f7;border-bottom:1px solid var(--line)}
.mock-bar i{width:11px;height:11px;border-radius:50%;background:#cfd8e3;display:block}
.mock-url{margin-left:12px;font-size:.8rem;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:6px;padding:4px 14px}
.mock img{display:block;width:100%;height:auto}
.case-body .case-name{margin-top:0}
@media(max-width:820px){.case-grid{grid-template-columns:1fr;gap:30px}}

/* case study */
.case{background:#fff;border:1px solid var(--line);border-radius:18px;padding:44px;box-shadow:0 12px 34px rgba(19,26,38,.05)}
.case-name{font-weight:700;color:var(--accent);margin-bottom:14px;font-size:.95rem;letter-spacing:.01em}
.case-body>p{color:var(--ink-2);max-width:70ch}
.case-stats{list-style:none;padding:0;margin:32px 0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-stats li{border-left:3px solid var(--accent);padding-left:16px}
.case-stats b{display:block;font-size:1.9rem;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.case-stats span{font-size:.86rem;color:var(--muted)}
.quote{font-style:italic;color:var(--ink-2);border-top:1px solid var(--line);padding-top:22px;font-size:1.05rem}
.case + .small{margin-top:26px}

/* why grid */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 48px}
.why-item h3{font-size:1.2rem;font-weight:700;margin-bottom:8px}
.why-item h3::before{content:"";display:inline-block;width:8px;height:8px;background:var(--accent);border-radius:50%;margin-right:10px;vertical-align:middle}
.why-item p{color:var(--muted)}
.ethos{margin-top:48px;padding:24px 28px;background:var(--accent-soft);border-radius:var(--radius);color:var(--ink-2);font-size:1.05rem;border-left:4px solid var(--accent)}

/* detail-page: breadcrumb */
.crumb{color:var(--accent)}
.crumb:hover{text-decoration:underline}
.mt{margin-top:24px}

/* detail-page: checklist */
.checklist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:26px 44px}
.checklist li{position:relative;padding-left:38px;color:var(--muted);font-size:.98rem}
.checklist li b{display:block;color:var(--ink);font-size:1.08rem;margin-bottom:4px;font-weight:700}
.checklist li::before{content:"✓";position:absolute;left:0;top:1px;width:26px;height:26px;background:var(--accent-soft);color:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.82rem}

/* detail-page: process steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.step .num{font-size:1.5rem;font-weight:800;color:var(--accent);letter-spacing:.02em}
.step h3{font-size:1.14rem;font-weight:700;margin:12px 0 8px}
.step p{color:var(--muted);font-size:.94rem}

/* detail-page: price reveal */
.price-block{background:#fff;border:1.5px solid var(--accent);border-radius:18px;padding:44px 40px;margin:38px auto 0;max-width:520px;box-shadow:0 16px 44px rgba(31,95,224,.14)}
.price-label{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--muted)}
.price-big{font-size:clamp(2.4rem,5vw,3rem);font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:8px 0 14px}
.price-note{color:var(--muted);font-size:.9rem;margin-bottom:28px}

/* detail-page: pricing tiers */
.plans{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:860px;margin:0 auto;text-align:left}
.plans.plans-single{grid-template-columns:1fr;max-width:480px}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 30px;display:flex;flex-direction:column}
.plan.featured{border:1.5px solid var(--accent);box-shadow:0 16px 44px rgba(31,95,224,.14);position:relative}
.plan .tag{position:absolute;top:-11px;left:30px;background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:20px}
.plan-name{text-transform:uppercase;letter-spacing:.1em;font-size:.82rem;font-weight:700;color:var(--muted)}
.plan-price{font-size:2.4rem;font-weight:800;letter-spacing:-.02em;color:var(--ink);margin:6px 0 2px}
.plan-price span{font-size:.85rem;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:8px}
.plan-for{color:var(--muted);font-size:.94rem;margin:14px 0 24px}
.plan-feats{list-style:none;padding:0;margin:0 0 28px;display:flex;flex-direction:column;gap:12px}
.plan-feats li{position:relative;padding-left:28px;color:var(--ink-2);font-size:.95rem}
.plan-feats li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:800}
.plan-feats li b{color:var(--ink);font-weight:700}
.plan .btn{margin-top:auto;text-align:center}
.plans-note{text-align:center;color:var(--muted);margin-top:32px;font-size:.98rem}

/* cta */
.cta{padding:96px 0;background:var(--ink);color:#fff;text-align:center;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-30px;bottom:-70px;width:360px;height:380px;background:url(logo-white.svg) center/contain no-repeat;opacity:.05;pointer-events:none}
.cta .wrap{position:relative;z-index:1}
.cta h2{color:#fff}
.cta .lead{color:#c3ccd9;margin:20px auto 34px;max-width:52ch}
.cta .btn-primary{background:#fff;color:var(--ink);box-shadow:0 8px 22px rgba(0,0,0,.25)}
.cta .btn-primary:hover{background:var(--accent-soft)}
.contact-line{margin-top:30px;color:#9aa6b6;font-size:.92rem}

/* footer */
.footer{background:#0e141d;color:#8b97a7;padding:48px 0}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.footer .brand{color:#fff;display:block;margin-bottom:8px}
.footer .brand span{color:var(--accent)}
.footer-tag{text-align:right}
.chalk{color:#cdd6e2;font-style:italic;font-size:1.05rem;margin-bottom:6px}

/* responsive */
@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:1fr;gap:26px}
  .case-stats{grid-template-columns:1fr;gap:16px}
  .checklist{grid-template-columns:1fr;gap:20px}
  .steps{grid-template-columns:repeat(2,1fr);gap:24px}
  .plans{grid-template-columns:1fr;max-width:460px}
}
@media(max-width:620px){
  .nav-links{gap:14px}
  .nav-links a:not(.btn){display:none}
  .cards{grid-template-columns:1fr}
  .case{padding:28px}
  .footer-inner{flex-direction:column}
  .footer-tag{text-align:left}
  .hero{padding:64px 0 56px}
  .section,.band{padding:60px 0}
  .steps{grid-template-columns:1fr}
  .price-block{padding:32px 26px}
}