/* Anvol visual system, same tokens as block-less.com (landing.css) */
:root{
  --bone:#F3F1EC;
  --bone-deep:#EAE7DF;
  --paper:#FBFAF7;
  --ink:#191713;
  --ink-soft:rgba(25,23,19,.74);
  --ink-faint:rgba(25,23,19,.52);
  --line:rgba(25,23,19,.13);
  --rust:#C75B22;
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Instrument Sans',-apple-system,'Segoe UI',sans-serif;
  --nav-h:68px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bone);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--ink)}
h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.02em}
h2{font-size:clamp(34px,4vw,48px);line-height:1.05}
h2 em{font-style:italic}
h3{font-size:17px;font-weight:600}
section[id]{scroll-margin-top:var(--nav-h)}

.container{max-width:1120px;margin:0 auto;padding:0 40px}
.section{padding:112px 0}
.section-paper{background:var(--paper)}
.section-note{font-size:17px;line-height:1.6;color:var(--ink-soft);margin-top:16px;max-width:560px}

.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--sans);font-size:15px;font-weight:600;padding:13px 22px;border-radius:999px;border:0;cursor:pointer;background:var(--ink);color:var(--bone);text-decoration:none}
.btn:hover{background:#000;color:#fff}
.btn:disabled{opacity:.6;cursor:default}
.btn-block{width:100%}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(243,241,236,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1120px;margin:0 auto;padding:0 40px;height:var(--nav-h);display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none}
.brand-mark{width:26px;height:26px}
.brand-name{font-weight:600;font-size:18px;letter-spacing:-.01em}
.nav-links{display:flex;gap:28px;margin-left:auto}
.nav-links a{font-size:15px;color:var(--ink-soft);text-decoration:none}
.nav-links a:hover{color:var(--ink)}
.nav .btn{padding:9px 18px;font-size:14px}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;background:transparent;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink)}

/* ---------- hero ---------- */
.hero{max-width:1120px;margin:0 auto;padding:88px 40px 104px;display:grid;grid-template-columns:1fr 440px;gap:72px;align-items:center}
.hero-title{font-size:clamp(46px,5.6vw,76px);line-height:1;margin-bottom:24px}
.hero-title em{font-style:italic}
.hero-sub{font-size:19px;line-height:1.55;color:var(--ink-soft);max-width:30em;margin-bottom:28px}
.hero-facts{font-size:15px;color:var(--ink-faint);margin-bottom:12px}
.hero-alt{font-size:15px;color:var(--ink-faint)}
.hero-alt a{text-underline-offset:3px}

.quote-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:28px}
.quote-card h2{font-size:30px;margin-bottom:18px}
.quote-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;margin-bottom:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-row label{min-width:0}
.quote-card input,.quote-card textarea{width:100%;min-width:0;border:1px solid var(--line);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:15px;font-weight:400;color:var(--ink);background:#fff;outline:none;resize:vertical}
.quote-card input:focus,.quote-card textarea:focus{border-color:var(--ink)}
.quote-card input[type=file]{border:0;padding:0;background:transparent;font-size:13px}
.quote-card label.optin{flex-direction:row;align-items:center;gap:8px;font-weight:400;font-size:14px;color:var(--ink-soft)}
.quote-card input[type=checkbox]{width:auto}
.form-note{margin-top:12px;font-size:13px;color:var(--ink-faint);text-align:center}
.form-alt{margin-top:6px;font-size:13px;color:var(--ink-faint);text-align:center}
.form-alt a{white-space:nowrap;text-underline-offset:3px}
.form-note.ok{color:#1F7A46;font-weight:600}
.form-note.err{color:var(--rust);font-weight:600}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* ---------- trust strip ---------- */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 40px;text-align:center;font-size:15px;color:var(--ink-faint)}
.trust b{color:var(--ink);font-weight:600}

/* ---------- builds + prices ---------- */
.build-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:56px}
.build img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:18px}
.build-price{font-family:var(--serif);font-size:40px;line-height:1;margin:8px 0 6px}
.build p{font-size:15px;color:var(--ink-soft);line-height:1.5}
.build-foot{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);font-size:15px;line-height:1.6;color:var(--ink-soft)}
.build-foot a{white-space:nowrap}

/* ---------- capabilities ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.cap-list{list-style:none;columns:2;column-gap:32px}
.cap-list li{break-inside:avoid;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}

/* ---------- steps ---------- */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:56px;counter-reset:step}
.steps li{counter-increment:step;border-top:1px solid var(--ink);padding-top:20px}
.steps li::before{content:counter(step);display:block;font-family:var(--serif);font-size:30px;line-height:1;margin-bottom:14px}
.steps h3{margin-bottom:8px}
.steps p{font-size:15px;line-height:1.6;color:var(--ink-soft)}

/* ---------- shenzhen photos ---------- */
.photo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:48px}
.photo-row img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:12px}
.photo-cap{margin-top:16px;font-size:14px;color:var(--ink-faint)}

/* ---------- team ---------- */
.team{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:56px;padding-top:48px;border-top:1px solid var(--line)}
.person{display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:start}
.person img{width:160px;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:12px}
.person-role{margin:4px 0 12px;font-size:14px;color:var(--ink-faint)}
.person p{font-size:15px;line-height:1.6;color:var(--ink-soft)}
.person-links{margin-top:10px}
.person-links a{text-underline-offset:3px}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:72px}
.accordion{border-top:1px solid var(--line)}
.acc-item{border-bottom:1px solid var(--line)}
.acc-btn{width:100%;background:none;border:0;padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:24px;cursor:pointer;text-align:left;font-family:var(--sans);font-size:17px;font-weight:600;color:var(--ink)}
.acc-icon{font-size:22px;font-weight:400;color:var(--ink-faint);transition:transform .25s ease}
.acc-btn[aria-expanded="true"] .acc-icon{transform:rotate(45deg)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.acc-btn[aria-expanded="true"]+.acc-body{grid-template-rows:1fr}
.acc-body-inner{overflow:hidden}
.acc-body-inner p{padding:0 0 22px;font-size:15px;line-height:1.65;color:var(--ink-soft);max-width:620px}

/* ---------- closing ---------- */
.closing{text-align:center}
.closing h2{margin-bottom:28px}
.closing p{margin-top:18px;font-size:15px;color:var(--ink-faint)}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line);padding:40px 0}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap;font-size:14px;color:var(--ink-faint)}
.footer-grid a{color:var(--ink-faint)}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero{grid-template-columns:1fr;gap:48px;padding-top:56px}
  .build-grid,.steps{grid-template-columns:1fr 1fr}
  .split,.faq-wrap,.team{grid-template-columns:1fr;gap:32px}
}

@media (max-width:640px){
  .container,.nav-inner,.hero{padding-left:16px;padding-right:16px}
  .trust{padding:18px 16px}
  .nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;background:var(--bone);border-bottom:1px solid var(--line)}
  .nav-links a{padding:14px 16px;border-top:1px solid var(--line)}
  .menu-open .nav-links{display:flex}
  .nav-toggle{display:flex}
  .nav .btn{margin-left:auto}
  .section{padding:72px 0}
  .quote-card{padding:20px 16px}
  .form-row,.build-grid,.steps{grid-template-columns:1fr}
  .cap-list{columns:1}
  .photo-row{grid-template-columns:1fr 1fr}
  .photo-row img:last-child{display:none}
  .person{grid-template-columns:110px 1fr;gap:16px}
  .person img{width:110px}
}