/* Case Studies page (redesign). Loaded only by templates/case-studies.html */
:root{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}body{margin:0}img{max-width:100%}[hidden]{display:none!important}
/* Layout: same system as the homepage. Each case reads like a briefing — problem first, glimpse open, the full technical breakdown behind one email-verified unlock. */
:root{
  --ivory:#f6f2ec; --paper:#fffdf9; --sand:#ebe3d8; --ink:#231d18; --ink-2:#5c524a; --rule:#ddd3c6;
  --umber:#1f1813; --umber-2:#2c231c; --on-umber:#f4ece2; --on-umber-2:#bfb2a3; --peach:#f0c3a5; --peach-2:#e9a27a;
  --clay:#c2612f; --clay-ink:#a24d20; --clay-soft:#f3e2d6; --ok:#2f7a4f; --err:#a3261a;
  --sans:"Inter",-apple-system,"Segoe UI",Roboto,sans-serif;
  --serif:"Instrument Serif","Cormorant Garamond",Georgia,serif;
  --wrap:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{background:var(--ivory);color:var(--ink);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--umber)}
body.modal-open{overflow:hidden}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:0}
h1,h2,h3{text-wrap:balance;margin:0}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media(min-width:720px){.wrap{padding-left:max(32px,env(safe-area-inset-left,0px));padding-right:max(32px,env(safe-area-inset-right,0px))}}
.label{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--clay-ink)}
.h2{font-size:clamp(32px,5vw,52px);line-height:1.08;font-weight:600;letter-spacing:-.025em}
.h2 em{font-size:1.08em}
section{padding-block:clamp(64px,9vw,112px)}
.head{display:grid;gap:14px;max-width:760px;margin-bottom:clamp(32px,5vw,52px)}
.head .intro{font-size:17px;color:var(--ink-2);max-width:58ch}
:focus-visible{outline:2px solid var(--clay);outline-offset:3px;border-radius:4px}
.dark{background:var(--umber);color:var(--on-umber)}
.dark .label{color:var(--peach-2)}
.dark h1 em{color:var(--peach)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:999px;font:600 15px var(--sans);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s,opacity .2s}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn-clay{background:var(--clay);color:#fff}
.btn-clay:hover:not(:disabled){background:var(--clay-ink)}
.btn-ink{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ink:hover{background:var(--ink);color:var(--ivory)}
.btn-white{background:#fff;color:var(--clay-ink)}
.btn-white:hover{background:var(--ivory)}
.btn-line{border-color:rgba(255,255,255,.6);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12)}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--clay-ink);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.linkbtn:disabled{color:var(--ink-2);text-decoration:none;cursor:default;font-weight:500}

/* Header (shared) */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--umber);color:var(--on-umber);border-bottom:1px solid rgba(244,236,226,.08)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:-.01em;text-decoration:none}
.logo i{width:9px;height:9px;border-radius:50%;background:var(--clay);display:block}
.nav{display:none;gap:28px}
.nav a{font-size:14.5px;text-decoration:none;color:var(--on-umber-2);transition:color .2s}
.nav a:hover,.nav a[aria-current]{color:var(--on-umber)}
.nav a[aria-current]{box-shadow:0 2px 0 var(--clay)}
.head-cta{display:none;min-height:40px;padding:0 18px;font-size:14px}
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:transparent;border:1px solid rgba(244,236,226,.25);color:var(--on-umber);cursor:pointer}
.menu-btn svg{width:20px;height:20px}
.mobile-nav{background:var(--umber);border-top:1px solid rgba(244,236,226,.08)}
.mobile-nav ul{list-style:none;margin:0;padding:8px 0 4px;display:grid}
.mobile-nav a{display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-size:18px;text-decoration:none;border-bottom:1px solid rgba(244,236,226,.08)}
.mobile-nav .btn{margin:20px 0 24px;width:100%}
@media(min-width:1000px){.nav{display:flex}.head-cta{display:inline-flex}.menu-btn{display:none}.mobile-nav{display:none!important}}

/* Hero */
.hero{position:relative;overflow:hidden;isolation:isolate;padding-block:clamp(52px,8vw,112px) clamp(48px,7vw,88px)}
.hero::before,.hero::after{content:"";position:absolute;z-index:-1;border-radius:50%;filter:blur(70px);pointer-events:none}
.hero::before{width:min(70vw,720px);aspect-ratio:1;right:-14%;top:-40%;background:radial-gradient(circle,rgba(226,150,72,.36),rgba(194,97,47,.12) 55%,transparent 70%);animation:drift 22s ease-in-out infinite alternate}
.hero::after{width:min(60vw,560px);aspect-ratio:1;left:-20%;bottom:-50%;background:radial-gradient(circle,rgba(31,94,96,.34),transparent 65%);animation:drift 28s ease-in-out infinite alternate-reverse}
@keyframes drift{0%{transform:translate(0,0) scale(1)}50%{transform:translate(-6%,8%) scale(1.12)}100%{transform:translate(5%,-4%) scale(.94)}}
.hero-grid{display:grid;gap:28px;align-items:end}
@media(min-width:960px){.hero-grid{grid-template-columns:1.3fr 1fr;gap:72px}}
.hero h1{font-size:clamp(40px,6.6vw,84px);line-height:1.02;font-weight:600;letter-spacing:-.035em;margin-top:18px}
.hero h1 em{font-size:1.08em;display:block}
.hero .sub{font-size:clamp(16px,1.6vw,18px);color:var(--on-umber-2);max-width:48ch}
.unlock-note{margin-top:18px;display:inline-flex;align-items:center;gap:10px;font-size:14px;color:var(--on-umber);background:rgba(244,236,226,.06);border:1px solid rgba(244,236,226,.14);padding:8px 14px;border-radius:999px}
.unlock-note svg{width:16px;height:16px;color:var(--peach-2);flex:none}

/* Results strip */
.strip{padding-block:0}
.strip-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-bottom:1px solid var(--rule)}
.tile{padding:30px 18px 30px 0;display:grid;gap:6px;align-content:start;border-bottom:1px solid var(--rule)}
.tile:nth-child(even){padding-left:18px;border-left:1px solid var(--rule)}
.tile:nth-last-child(-n+2){border-bottom:0}
.tile b{font-size:clamp(34px,4.8vw,54px);line-height:1;font-weight:600;letter-spacing:-.035em;font-variant-numeric:tabular-nums}
.tile .k{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--clay-ink);font-weight:600}
.tile span:last-child{font-size:14px;color:var(--ink-2)}
@media(min-width:900px){.strip-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .tile{padding:40px 24px!important;border-bottom:0;border-left:1px solid var(--rule)}
  .tile:first-child{border-left:0;padding-left:0!important}}

/* Filters + index */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-bottom:28px}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:500 14px var(--sans);padding:9px 16px;border-radius:999px;border:1px solid var(--rule);background:var(--paper);color:var(--ink);cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.chip:hover{border-color:var(--clay)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--ivory)}
.status{font-size:14px;color:var(--ink-2);display:inline-flex;align-items:center;gap:8px}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--clay)}
.unlocked .status .dot{background:var(--ok)}

/* Case */
.cases{display:grid;gap:clamp(40px,6vw,72px)}
.case{background:var(--paper);border:1px solid var(--rule);border-radius:24px;overflow:hidden;scroll-margin-top:96px}
.case-top{display:grid;gap:0}
@media(min-width:960px){.case-top{grid-template-columns:1.25fr 1fr}}
.case-copy{padding:clamp(24px,4vw,44px);display:grid;gap:18px;align-content:start}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px}
.case-no{font-family:var(--serif);font-style:italic;font-size:26px;color:var(--clay);line-height:1}
.tag{font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--clay-ink);background:var(--clay-soft);padding:5px 10px;border-radius:999px}
.client{font-size:15px;color:var(--ink-2);font-weight:500}
.case h2{font-size:clamp(28px,3.6vw,42px);line-height:1.1;font-weight:600;letter-spacing:-.025em}
.case h2 em{color:var(--clay-ink)}
.problem{border-left:3px solid var(--clay);background:var(--clay-soft);padding:16px 18px;border-radius:0 14px 14px 0;display:grid;gap:4px}
.problem small{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--clay-ink)}
.problem p{font-family:var(--serif);font-size:clamp(21px,2.2vw,25px);line-height:1.25;color:var(--ink)}
.context{color:var(--ink-2);font-size:16px;max-width:62ch}
.context b{color:var(--ink);font-weight:600}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-top:4px}
.kpi{border:1px solid var(--rule);border-radius:14px;padding:14px 16px;display:grid;gap:2px;background:var(--ivory)}
.kpi b{font-size:clamp(22px,2.4vw,28px);font-weight:600;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.kpi span{font-size:13px;color:var(--ink-2)}
.case-visual{position:relative;min-height:280px;background:var(--umber);overflow:hidden}
.case-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.case-visual.phone{background:linear-gradient(160deg,#e9f3f8,#d6e7ef)}
.case-visual.phone img{object-fit:contain;padding:28px 0 0}
.case-visual.number{display:grid;place-content:center;padding:40px;color:var(--on-umber);text-align:left;isolation:isolate}
.case-visual.number::before{content:"";position:absolute;z-index:-1;width:420px;aspect-ratio:1;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(226,150,72,.4),transparent 65%);filter:blur(30px)}
.case-visual.number b{font-size:clamp(96px,14vw,168px);line-height:.85;font-weight:600;letter-spacing:-.06em}
.case-visual.number b em{color:var(--peach)}
.case-visual.number span{display:block;margin-top:18px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--on-umber-2)}
@media(max-width:959px){.case-visual{min-height:0;aspect-ratio:16/10}.case-visual.phone{aspect-ratio:auto;height:360px}.case-visual.number{aspect-ratio:auto}}

/* Locked area */
.full{position:relative;border-top:1px solid var(--rule)}
.full-inner{padding:clamp(24px,4vw,44px);display:grid;gap:28px}
@media(min-width:960px){.full-inner{grid-template-columns:1fr 1fr;column-gap:56px}}
.full h3{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--clay-ink);font-weight:700;margin-bottom:12px}
.full ul,.full ol{margin:0;padding-left:20px;display:grid;gap:10px;color:var(--ink-2)}
.full li b{color:var(--ink);font-weight:600}
.full .wide{grid-column:1/-1}
.rtable{width:100%;border-collapse:collapse;font-size:15px}
.rtable th,.rtable td{text-align:left;padding:11px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.rtable th{font-weight:500;color:var(--ink-2);width:46%;padding-right:16px}
.rtable td{font-weight:600;font-variant-numeric:tabular-nums}
.rtable td i{font-style:normal;font-weight:400;color:var(--ink-2);font-size:13px;display:block}
.tnote{background:var(--umber);color:var(--on-umber);border-radius:16px;padding:20px 22px;align-self:start}
.tnote h3{color:var(--peach-2)}
.tnote p{color:var(--on-umber-2)}
.tnote p em{color:var(--peach)}
.locked .full-inner{filter:blur(7px);user-select:none;pointer-events:none;max-height:300px;overflow:hidden;opacity:.6}
.lock{display:none}
.locked .lock{display:grid;position:absolute;inset:0;place-items:center;padding:20px;background:linear-gradient(180deg,rgba(255,253,249,.2),rgba(255,253,249,.92) 55%)}
.lock-card{background:var(--paper);border:1px solid var(--rule);border-radius:18px;padding:22px 24px;display:grid;gap:12px;justify-items:center;text-align:center;max-width:420px;box-shadow:0 24px 50px -30px rgba(35,29,24,.45)}
.lock-card svg{width:26px;height:26px;color:var(--clay)}
.lock-card b{font-size:18px;font-weight:600}
.lock-card p{font-size:14.5px;color:var(--ink-2)}
.case[hidden]{display:none}
.reveal .full-inner{animation:reveal .6s ease both}
@keyframes reveal{from{filter:blur(7px);opacity:.6}to{filter:none;opacity:1}}

/* More results */
.more{background:var(--paper)}
.more-grid{display:grid;gap:14px}
@media(min-width:640px){.more-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1000px){.more-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.mini{border:1px solid var(--rule);border-radius:18px;padding:22px;display:grid;gap:8px;align-content:start;background:var(--ivory)}
.mini b{font-size:20px;font-weight:600;letter-spacing:-.01em;line-height:1.25}
.mini .who{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--clay-ink)}
.mini p{font-size:14.5px;color:var(--ink-2)}

/* Metrics */
.metrics{display:grid;border-top:1px solid rgba(240,195,165,.3)}
.metric{display:grid;gap:6px;padding:22px 0;border-bottom:1px solid rgba(240,195,165,.3)}
@media(min-width:900px){.metric{grid-template-columns:1fr 1.3fr 1.3fr;gap:32px;align-items:baseline}}
.metric h3{font-size:20px;font-weight:600;color:var(--on-umber)}
.metric .calc{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13.5px;color:var(--peach);background:rgba(244,236,226,.05);border:1px solid rgba(244,236,226,.1);border-radius:8px;padding:8px 10px;justify-self:start}
.metric p{color:var(--on-umber-2);font-size:15px}

/* CTA */
.cta{padding-block:clamp(64px,9vw,112px)}
.cta-card{background:var(--clay);color:#fff;border-radius:24px;padding:clamp(32px,6vw,72px);display:grid;gap:22px;position:relative;overflow:hidden;isolation:isolate}
.cta-card::after{content:"";position:absolute;z-index:-1;width:520px;aspect-ratio:1;right:-160px;top:-220px;border-radius:50%;background:radial-gradient(circle,rgba(255,214,170,.45),transparent 65%);filter:blur(30px);animation:drift 20s ease-in-out infinite alternate}
.cta-card .label{color:#ffe1cf}
.cta-card h2{font-size:clamp(32px,5vw,58px);line-height:1.06;font-weight:600;letter-spacing:-.03em;max-width:18ch}
.cta-card h2 em{color:#fff0e6}
.cta-card p{color:#ffe9dc;font-size:18px;max-width:52ch}
.cta-card .ctas{display:flex;flex-wrap:wrap;gap:12px}

/* Footer */
.foot{background:var(--umber);color:var(--on-umber-2);padding-block:0 32px;font-size:15px}
.foot-grid{display:grid;gap:32px;padding-block:56px 48px}
@media(min-width:760px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot h4{margin:0 0 12px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--on-umber)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.foot a{text-decoration:none}
.foot a:hover{color:var(--on-umber)}
.foot .logo{color:var(--on-umber);margin-bottom:14px}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;font-size:13px;padding-top:24px;border-top:1px solid rgba(244,236,226,.12)}

/* Gate modal */
.gate{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:max(16px,env(safe-area-inset-top,0px)) max(16px,env(safe-area-inset-right,0px)) max(16px,env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));background:rgba(31,24,19,.62);backdrop-filter:blur(6px)}
.gate-card{width:100%;max-width:460px;max-height:100%;overflow:auto;background:var(--paper);border-radius:24px;padding:clamp(24px,4vw,36px);display:grid;gap:18px;position:relative;box-shadow:0 40px 80px -30px rgba(0,0,0,.6)}
.gate-close{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:12px;border:1px solid var(--rule);background:transparent;cursor:pointer;color:var(--ink-2);font-size:20px;line-height:1}
.gate-card h2{font-size:clamp(26px,3vw,32px);line-height:1.12;font-weight:600;letter-spacing:-.02em;padding-right:36px}
.gate-card h2 em{color:var(--clay-ink)}
.gate-card .lead{color:var(--ink-2);font-size:15.5px}
.steps-ind{display:flex;gap:6px}
.steps-ind span{height:4px;flex:1;border-radius:4px;background:var(--rule)}
.steps-ind span.on{background:var(--clay)}
.field{display:grid;gap:6px}
.field label{font-size:14px;font-weight:600}
.field input{font:16px var(--sans);color:var(--ink);background:var(--ivory);border:1px solid var(--rule);border-radius:12px;padding:13px 14px;width:100%}
.field input:focus{outline:2px solid var(--clay);outline-offset:0;border-color:transparent}
.field input[aria-invalid="true"]{border-color:var(--err)}
.msg{font-size:13.5px}
.msg.err{color:var(--err)}
.msg.ok{color:var(--ok)}
.otp{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.otp input{text-align:center;font:600 22px var(--sans);padding:12px 0;font-variant-numeric:tabular-nums}
.gate-foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;font-size:13.5px;color:var(--ink-2)}
.demo{border:1px dashed var(--clay);background:var(--clay-soft);color:var(--clay-ink);border-radius:12px;padding:10px 12px;font-size:13.5px}
.demo b{font-variant-numeric:tabular-nums;letter-spacing:.12em}
.done{display:grid;gap:10px;justify-items:start}
.done .tick{width:48px;height:48px;border-radius:50%;background:#e4f1e9;color:var(--ok);display:grid;place-items:center}
.done .tick svg{width:24px;height:24px}
.privacy{font-size:12.5px;color:var(--ink-2)}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:90;background:var(--ink);color:var(--ivory);padding:12px 18px;border-radius:14px;font-size:14px;max-width:min(560px,calc(100% - 32px));box-shadow:0 18px 40px -20px rgba(0,0,0,.6)}

.wa{position:fixed;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));z-index:40;width:56px;height:56px;border-radius:50%;background:#1f8f4e;color:#fff;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.45);text-decoration:none}
.wa svg{width:28px;height:28px}

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