/* LENGO — site styles */
:root{
  --ink:#111111;
  --ink-2:#3a3a38;
  --muted:#6b6a66;
  --paper:#f4f2ed;
  --paper-2:#ebe8e0;
  --white:#ffffff;
  --line:#dcd8cd;
  --green:#215d3a;
  --green-2:#174529;
  --green-soft:#e2ede5;
  --gold:#fdc645;
  --brown:#673918;
  --radius:18px;
  --max:1200px;
  --display:"Sora",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:var(--display);line-height:1.12;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.6vw,4.4rem);font-weight:700}
h2{font-size:clamp(1.9rem,3.6vw,2.8rem);font-weight:700}
h3{font-size:1.3rem;font-weight:600}
p{margin:0 0 1em}
.eyebrow{display:inline-block;font-family:var(--display);font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--green);margin-bottom:14px}
.lead{font-size:1.2rem;color:var(--ink-2);max-width:640px}
.muted{color:var(--muted)}
.green{color:var(--green)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:999px;font-family:var(--display);font-weight:600;font-size:.98rem;text-decoration:none;border:2px solid var(--ink);transition:transform .15s ease,background .15s ease,color .15s ease;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-dark:hover{background:var(--green);border-color:var(--green)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--white)}
.btn-green{background:var(--green);border-color:var(--green);color:#fff}
.btn-green:hover{background:var(--green-2);border-color:var(--green-2)}
.btn-light{background:#fff;border-color:#fff;color:var(--ink)}
.btn .arr{transition:transform .15s}
.btn:hover .arr{transform:translateX(3px)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(244,242,237,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand img{height:42px;width:auto}
.menu{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.menu a{text-decoration:none;font-weight:500;font-size:.96rem;color:var(--ink-2)}
.menu a:hover,.menu a.active{color:var(--green)}
.menu .btn{padding:10px 20px;font-size:.9rem;color:#fff}
.menu .btn:hover{color:#fff}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;padding:10px}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:6px 0;transition:.2s}
@media (max-width:920px){
  .nav-toggle{display:block}
  .menu{position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 24px 24px;display:none}
  .menu.open{display:flex}
  .menu li{width:100%}
  .menu a{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .menu .btn{margin-top:16px;justify-content:center;border-bottom:2px solid var(--ink)}
}

/* sections */
section{padding:96px 0}
.section-tight{padding:64px 0}
.bg-white{background:var(--white)}
.bg-ink{background:var(--ink);color:#fff}
.bg-ink .lead,.bg-ink .muted{color:#bdbbb5}
.bg-green{background:var(--green);color:#fff}
.bg-green .eyebrow{color:var(--gold)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:48px;flex-wrap:wrap}
.section-head .lead{margin:0}

/* hero */
.hero{padding:88px 0 72px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center}
.hero h1 .hl{color:var(--green)}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-card{background:var(--white);border:1px solid var(--line);border-radius:28px;padding:32px;position:relative}
.hero-card h3{font-size:1.05rem;margin-bottom:18px}
.compare{display:grid;gap:14px}
.compare .row{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-radius:14px;background:var(--paper)}
.compare .row.us{background:var(--green-soft);border:1.5px solid var(--green)}
.compare .row b{font-family:var(--display)}
.compare .tag{font-size:.8rem;color:var(--muted)}
.hero-dots{position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;border:44px solid var(--ink);opacity:.06;pointer-events:none}
@media (max-width:920px){.hero-grid{grid-template-columns:1fr}.hero{padding:56px 0}}

/* trust strip */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;background:var(--paper)}
.trust .wrap{display:flex;gap:18px 40px;align-items:center;flex-wrap:wrap}
.trust small{font-family:var(--display);font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.trust span{font-family:var(--display);font-weight:600;color:var(--ink-2)}

/* cards grid */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:980px){.g3,.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g3,.g2,.g4{grid-template-columns:1fr}}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ink);transform:translateY(-3px)}
.card .num{font-family:var(--display);font-weight:700;font-size:.85rem;color:var(--green);margin-bottom:22px}
.card p{color:var(--ink-2);font-size:.98rem}
.card ul{margin:0 0 18px;padding-left:18px;color:var(--ink-2);font-size:.95rem}
.card ul li{margin-bottom:4px}
.card .more{margin-top:auto;font-family:var(--display);font-weight:600;font-size:.92rem;text-decoration:none;color:var(--ink)}
.card .more:hover{color:var(--green)}
.card.feature{background:var(--ink);color:#fff;border-color:var(--ink)}
.card.feature p,.card.feature ul{color:#cfccc5}
.card.feature .num{color:var(--gold)}
.card.feature .more{color:#fff}
.badge{display:inline-block;background:var(--gold);color:var(--ink);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:999px;margin-bottom:16px;align-self:flex-start}

/* philosophy letters */
.letters{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.letter{border-top:2px solid #fff;padding-top:20px}
.letter .L{font-family:var(--display);font-weight:800;font-size:3.4rem;line-height:1;margin-bottom:14px}
.letter h4{font-size:1rem;margin-bottom:8px}
.letter p{font-size:.92rem;color:#bdbbb5;margin:0}
@media (max-width:900px){.letters{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.letters{grid-template-columns:1fr}}

/* model / steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:56px}
.step:before{counter-increment:s;content:"0" counter(s);position:absolute;top:0;left:0;font-family:var(--display);font-weight:700;font-size:1.1rem;width:42px;height:42px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center}
.step p{color:var(--ink-2);font-size:.96rem}
.bg-green .step:before,.bg-ink .step:before{background:var(--gold);color:var(--ink)}
.bg-green .step p{color:#d7ecde}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:36px}}
.checklist{list-style:none;padding:0;margin:0 0 24px}
.checklist li{padding:10px 0 10px 34px;position:relative;border-bottom:1px solid var(--line)}
.checklist li:before{content:"";position:absolute;left:0;top:15px;width:20px;height:20px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' stroke='white' stroke-width='2.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}
.bg-ink .checklist li{border-color:#2d2d2b}

/* work gallery */
.work{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:320px;gap:18px}
.work figure{margin:0;border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line);position:relative}
.work figure img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.work figure:hover img{transform:scale(1.03)}
.work figcaption{position:absolute;left:12px;bottom:12px;background:rgba(17,17,17,.82);color:#fff;font-size:.8rem;font-weight:600;padding:6px 12px;border-radius:999px}
.work .w6{grid-column:span 6}.work .w4{grid-column:span 4}.work .w8{grid-column:span 8}.work .w12{grid-column:span 12}
.work figure.contain img{object-fit:contain;background:#fff;padding:18px 18px 44px}
@media (max-width:760px){.work{grid-auto-rows:240px}.work .w6,.work .w4,.work .w8{grid-column:span 12}}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filters button{font:inherit;font-size:.9rem;font-weight:500;border:1.5px solid var(--line);background:#fff;padding:8px 16px;border-radius:999px;cursor:pointer}
.filters button.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* pricing */
.price-card .price{font-family:var(--display);font-size:2rem;font-weight:700;margin:6px 0 4px}
.price-card .price small{font-size:.95rem;font-weight:500;color:var(--muted)}
.price-card.feature .price small{color:#aaa}
.note{font-size:.88rem;color:var(--muted)}

/* comparison table */
.table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);font-size:.96rem}
.table th,.table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-family:var(--display);font-size:.85rem;background:var(--paper-2)}
.table td.us{background:var(--green-soft);font-weight:600}
.table-wrap{overflow-x:auto}

/* faq */
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:1.08rem;list-style:none;display:flex;justify-content:space-between;gap:20px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";font-size:1.5rem;line-height:1;color:var(--green)}
details[open] summary:after{content:"–"}
details p{margin:12px 0 0;color:var(--ink-2)}

/* page hero */
.page-hero{padding:80px 0 56px;border-bottom:1px solid var(--line)}
.page-hero .lead{font-size:1.25rem}

/* service detail */
.svc{display:grid;grid-template-columns:320px 1fr;gap:48px;padding:56px 0;border-top:1px solid var(--line)}
.svc:first-child{border-top:0}
.svc .tagline{color:var(--muted);font-size:1rem}
.svc .cols{display:grid;grid-template-columns:1fr 1fr;gap:10px 36px}
.svc .cols ul{margin:0;padding-left:18px;color:var(--ink-2)}
.svc .cols li{margin-bottom:6px}
@media (max-width:900px){.svc{grid-template-columns:1fr;gap:18px}.svc .cols{grid-template-columns:1fr}}

/* contact / form */
.form{display:grid;gap:16px}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.form .two{grid-template-columns:1fr}}
.form label{font-size:.88rem;font-weight:600;display:block;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;font:inherit;font-size:1rem;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-soft)}
.form textarea{min-height:140px;resize:vertical}
.form .hp{position:absolute;left:-9999px}
.notice{padding:16px 18px;border-radius:12px;margin-bottom:20px;font-weight:500}
.notice.ok{background:var(--green-soft);color:var(--green-2)}
.notice.err{background:#fbe9e7;color:#8a2a1c}
.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:16px 0;border-bottom:1px solid #2d2d2b}
.contact-list small{display:block;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:#8f8d87;margin-bottom:4px}
.contact-list a{text-decoration:none;font-family:var(--display);font-weight:600;font-size:1.1rem}
.contact-list a:hover{color:var(--gold)}

/* CTA band */
.cta-band{padding:80px 0}
.cta-band .inner{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{margin:0;max-width:720px}

/* footer */
.site-footer{background:var(--ink);color:#cfccc5;padding:64px 0 32px;font-size:.95rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-footer img{height:44px;width:auto;margin-bottom:18px}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:10px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid #2d2d2b;margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#8f8d87}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}

.stat{font-family:var(--display);font-weight:700;font-size:2.6rem;line-height:1}
.stat-label{color:var(--muted);font-size:.95rem;margin-top:6px}
.bg-ink .stat-label{color:#a9a7a1}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

.eyebrow:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--gold);margin-right:10px;vertical-align:middle;position:relative;top:-1px}
.hero h1 .hl{color:var(--green)}

.svc .steps .step h4{font-size:1rem;margin-bottom:4px}
.svc .steps .step p{font-size:.88rem;margin:0}
@media (max-width:1100px){.svc .steps{grid-template-columns:repeat(2,1fr)!important}}
@media (max-width:520px){.svc .steps{grid-template-columns:1fr!important}}

.trust .wrap{flex-wrap:nowrap;align-items:center}
.clients{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px;flex:1}
.client{display:flex;align-items:center;height:64px}
.client img{height:64px;width:auto;border-radius:6px}
.client.name{font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--ink-2)}
@media (max-width:760px){.trust .wrap{flex-direction:column;align-items:flex-start;gap:14px}.client,.client img{height:52px}}

/* client marquee */
.trust{padding:34px 0 30px}
.trust .wrap.trust-head{display:block;margin-bottom:18px}
.marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:72px;list-style:none;margin:0;padding:0;width:max-content;animation:lengo-marquee 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track li{flex:none;display:flex;align-items:center;height:72px}
.marquee-track img{height:64px;width:auto;transition:transform .25s}
.marquee-track img:hover{transform:scale(1.06)}
@keyframes lengo-marquee{from{transform:translateX(0)}to{transform:translateX(calc(-50% - 36px))}}
@media (max-width:760px){.marquee-track{gap:44px;animation-duration:24s}.marquee-track img{height:48px}.marquee-track li{height:56px}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none;flex-wrap:wrap;width:auto;justify-content:center}.marquee-track li[aria-hidden]{display:none}.marquee{-webkit-mask-image:none;mask-image:none}}
.marquee-track img{max-width:150px;object-fit:contain}