/* ============================================================
   VELARA 薇澜 — Women's Wear Manufacturing & Supply Chain
   Editorial atelier aesthetic: warm paper, ink, clay accent
   ============================================================ */

:root{
  --paper:#F6F3EE;
  --paper-2:#EFEAE1;
  --ink:#1A1815;
  --ink-soft:#4C463E;
  --line:#D9D2C6;
  --clay:#A8522C;
  --clay-deep:#8C3F1F;
  --olive:#5B5B43;
  --white:#FFFDF9;
  --shadow:0 24px 60px -28px rgba(26,24,21,.28);
  --serif:"Fraunces","Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Manrope","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.22,.61,.24,1);
}

/* --- reset --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}

/* --- language toggle system --- */
html[lang="en"] .zh{display:none!important}
html[lang="zh"] .en{display:none!important}

/* --- layout --- */
.wrap{width:min(1200px,92vw);margin-inline:auto}
.wrap-wide{width:min(1360px,94vw);margin-inline:auto}
section{position:relative}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.grid{display:grid;gap:28px}
.rule{border:none;border-top:1px solid var(--line)}
.bg-paper2{background:var(--paper-2)}
.bg-ink{background:var(--ink);color:var(--paper)}
.bg-ink .rule{border-color:rgba(246,243,238,.16)}

/* --- typography --- */
.kicker{
  font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--clay);font-weight:700;display:flex;align-items:center;gap:14px;
}
.kicker::before{content:"";width:34px;height:1px;background:currentColor;display:inline-block}
.h-display{
  font-family:var(--serif);font-weight:500;line-height:1.08;
  letter-spacing:-.015em;
}
h1.h-display{font-size:clamp(40px,5.6vw,72px)}
h2.h-display{font-size:clamp(30px,3.6vw,48px);line-height:1.12}
h3.h-display{font-size:clamp(20px,2vw,26px)}
.lede{font-size:clamp(16px,1.4vw,19px);color:var(--ink-soft);max-width:62ch}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:52px}
.sec-head .lede{margin-top:14px}
.idx{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--clay)}
/* --- nav --- */
#topbar{
  position:fixed;inset:0 0 auto;z-index:60;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
  border-bottom:1px solid transparent;
}
#topbar.scrolled{background:rgba(246,243,238,.9);backdrop-filter:blur(14px);border-color:var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.brand{display:flex;align-items:baseline;gap:10px}
.brand .mark{
  font-family:var(--serif);font-size:24px;letter-spacing:.08em;font-weight:600;
}
.brand .mark b{color:var(--clay);font-weight:600}
.brand .cn{font-size:12px;letter-spacing:.32em;color:var(--ink-soft)}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{
  font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;
  color:var(--ink);position:relative;padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--clay);transform:scaleX(0);transform-origin:right;
  transition:transform .35s var(--ease);
}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);transform-origin:left}
.nav-cta{display:flex;align-items:center;gap:16px}
.lang-switch{
  display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;
  font-size:12px;font-weight:700;letter-spacing:.08em;
}
.lang-switch button{padding:7px 13px;color:var(--ink-soft);transition:.25s}
.lang-switch button.on{background:var(--ink);color:var(--paper)}
.menu-btn{display:none;flex-direction:column;gap:5px;padding:8px}
.menu-btn span{width:24px;height:2px;background:var(--ink);transition:.3s}
.mobile-menu{display:none}

/* --- buttons --- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  border-radius:2px;transition:.3s var(--ease);position:relative;overflow:hidden;white-space:nowrap;
}
.btn .arr{transition:transform .3s var(--ease);font-family:var(--serif)}
.btn:hover .arr{transform:translateX(5px)}
.btn-solid{background:var(--ink);color:var(--paper)}
.btn-solid:hover{background:var(--clay)}
.btn-clay{background:var(--clay);color:#fff}
.btn-clay:hover{background:var(--clay-deep)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-ghost.on-dark{border-color:var(--paper);color:var(--paper)}
.btn-ghost.on-dark:hover{background:var(--paper);color:var(--ink)}
.btn-white{background:var(--paper);color:var(--ink)}
.btn-white:hover{background:var(--clay);color:#fff}
/* --- hero --- */
.hero{min-height:92vh;display:flex;align-items:center;padding:150px 0 80px;position:relative}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(60% 50% at 78% 18%, rgba(168,82,44,.10), transparent 60%),
    radial-gradient(50% 60% at 12% 80%, rgba(91,91,67,.08), transparent 60%);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;position:relative;z-index:1}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);
  border-radius:999px;padding:8px 18px;font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-soft);background:rgba(255,253,249,.6);margin-bottom:30px;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--clay);display:inline-block}
.hero h1{margin-bottom:26px}
.hero h1 em{font-style:italic;color:var(--clay)}
.hero .lede{margin-bottom:38px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-facts{display:flex;gap:40px;margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.hero-facts div strong{font-family:var(--serif);font-size:26px;display:block}
.hero-facts div span{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:3px;overflow:hidden;box-shadow:var(--shadow);
  aspect-ratio:4/4.6;background:var(--paper-2);
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .card-float{
  position:absolute;left:-34px;bottom:44px;background:var(--ink);color:var(--paper);
  padding:20px 26px;border-radius:3px;box-shadow:var(--shadow);max-width:250px;
}
.hero-visual .card-float b{font-family:var(--serif);font-size:20px;display:block;margin-bottom:4px}
.hero-visual .card-float span{font-size:12.5px;color:rgba(246,243,238,.75);line-height:1.5;display:block}
.hero-visual .stamp{
  position:absolute;top:-26px;right:-20px;width:108px;height:108px;color:var(--clay);
  animation:spin 22s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* --- sub hero for inner pages --- */
.page-head{padding:170px 0 70px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-head::before{
  content:attr(data-ghost);position:absolute;right:-2vw;top:50%;transform:translateY(-50%);
  font-family:var(--serif);font-style:italic;font-size:22vw;color:rgba(168,82,44,.06);
  white-space:nowrap;pointer-events:none;
}
.page-head .crumb{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:20px;display:block}
.page-head .crumb b{color:var(--clay)}
.page-head h1{max-width:20ch}
.page-head .lede{margin-top:22px}

/* --- marquee --- */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--white);padding:16px 0}
.marquee .track{display:flex;gap:0;width:max-content;animation:mq 30s linear infinite}
.marquee.rev .track{animation-direction:reverse}
.marquee span{
  font-size:13px;letter-spacing:.24em;text-transform:uppercase;white-space:nowrap;
  padding:0 28px;color:var(--ink-soft);display:flex;align-items:center;gap:28px;
}
.marquee span::after{content:"✦";color:var(--clay);font-size:10px}
@keyframes mq{to{transform:translateX(-50%)}}
/* --- stats --- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}
.stat{padding:52px 34px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat b{font-family:var(--serif);font-size:clamp(34px,3.4vw,52px);font-weight:500;display:flex;align-items:baseline;gap:2px;line-height:1}
.stat b i{font-style:normal;color:var(--clay);font-size:.55em}
.stat span{display:block;margin-top:12px;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-soft)}
.bg-ink .stat{border-color:rgba(246,243,238,.14)}
.bg-ink .stat span{color:rgba(246,243,238,.66)}

/* --- category cards --- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{position:relative;border-radius:3px;overflow:hidden;aspect-ratio:3/3.8;background:var(--paper-2)}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .veil{
  position:absolute;inset:0;background:linear-gradient(180deg,transparent 46%,rgba(20,17,13,.82));
  transition:background .4s;
}
.cat-card .meta{position:absolute;left:20px;right:20px;bottom:18px;color:var(--paper)}
.cat-card .meta h3{font-family:var(--serif);font-size:21px;font-weight:500}
.cat-card .meta small{display:block;font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;opacity:.78;margin-top:3px}
.cat-card .go{
  position:absolute;top:14px;right:14px;width:38px;height:38px;border-radius:50%;
  background:rgba(246,243,238,.92);display:grid;place-items:center;color:var(--ink);
  font-family:var(--serif);opacity:0;transform:translateY(-6px);transition:.35s var(--ease);
}
.cat-card:hover .go{opacity:1;transform:none}

/* --- service cards --- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{
  background:var(--white);border:1px solid var(--line);border-radius:3px;
  padding:38px 34px;display:flex;flex-direction:column;gap:18px;position:relative;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.svc-card .num{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--clay)}
.svc-card .pic{border-radius:2px;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2)}
.svc-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.svc-card:hover .pic img{transform:scale(1.05)}
.svc-card h3{font-family:var(--serif);font-size:23px;font-weight:500}
.svc-card p{font-size:14.5px;color:var(--ink-soft);flex-grow:1}
.svc-card ul{display:grid;gap:9px;margin-top:4px}
.svc-card ul li{font-size:13.5px;color:var(--ink-soft);padding-left:20px;position:relative}
.svc-card ul li::before{content:"—";position:absolute;left:0;color:var(--clay)}
.svc-card .more{font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--clay);margin-top:6px;display:inline-flex;gap:8px;align-items:center}

/* --- process --- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step}
.step{
  padding:34px 26px 40px;border-left:1px solid var(--line);position:relative;min-height:250px;
  display:flex;flex-direction:column;gap:12px;
}
.step:first-child{border-left:none}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--serif);font-style:italic;font-size:17px;color:var(--clay);
}
.step::after{
  content:"";position:absolute;top:0;left:-4px;width:9px;height:9px;border-radius:50%;
  background:var(--clay);
}
.step:first-child::after{left:0}
.step h3{font-size:16.5px;font-weight:800;letter-spacing:.02em}
.step p{font-size:13.5px;color:var(--ink-soft)}
.step .en-sub{display:block;font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-soft);opacity:.75}
/* --- quality / compliance --- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split .pic{border-radius:3px;overflow:hidden;box-shadow:var(--shadow)}
.split .pic img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.check-list{display:grid;gap:16px;margin:28px 0}
.check-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px}
.check-list li i{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--ink);color:var(--paper);
  display:grid;place-items:center;font-size:12px;font-style:normal;margin-top:2px;
}
.certs{display:flex;flex-wrap:wrap;gap:12px}
.cert{
  border:1px solid var(--line);border-radius:999px;padding:9px 20px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;background:var(--white);
}
.cert.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* --- testimonials --- */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{
  border:1px solid rgba(246,243,238,.16);border-radius:3px;padding:36px 32px;
  display:flex;flex-direction:column;gap:18px;background:rgba(246,243,238,.03);
}
.testi .q{font-family:var(--serif);font-size:34px;color:var(--clay);line-height:0;letter-spacing:0}
.testi p{font-family:var(--serif);font-size:17.5px;line-height:1.55;color:var(--paper);flex-grow:1}
.testi .who{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(246,243,238,.62)}
.testi .who b{color:var(--paper);display:block;font-size:13.5px;margin-bottom:3px;letter-spacing:.06em}

/* --- responsibility --- */
.resp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:48px}
.resp-card{border-top:2px solid var(--clay);padding-top:22px}
.resp-card .ic{font-size:24px;margin-bottom:14px;display:block}
.resp-card h4{font-size:16px;font-weight:800;margin-bottom:8px}
.resp-card p{font-size:13.5px;color:var(--ink-soft)}
.bg-ink .resp-card h4{color:var(--paper)}
.bg-ink .resp-card p{color:rgba(246,243,238,.68)}

/* --- cta band --- */
.cta-band{
  background:var(--clay);color:#fff;padding:88px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(70% 90% at 85% 20%, rgba(255,255,255,.14), transparent 55%);
}
.cta-band .wrap{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{max-width:22ch}
.cta-band .sub{margin-top:16px;font-size:15px;opacity:.85;max-width:52ch}
.cta-band .actions{display:flex;gap:16px;flex-wrap:wrap}

/* --- about extras --- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.value{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:34px 30px}
.value b{font-family:var(--serif);font-size:20px;display:block;margin-bottom:10px;font-weight:500}
.value p{font-size:14px;color:var(--ink-soft)}
.timeline{border-left:1px solid var(--line);padding-left:38px;display:grid;gap:30px;position:relative}
.timeline .tl{position:relative}
.timeline .tl::before{
  content:"";position:absolute;left:-43px;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--clay);box-shadow:0 0 0 4px var(--paper);
}
.timeline .yr{font-family:var(--serif);font-style:italic;color:var(--clay);font-size:16px}
.timeline h4{font-size:16px;margin:4px 0 4px}
.timeline p{font-size:14px;color:var(--ink-soft);max-width:56ch}
/* --- product page --- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 44px}
.chip{
  border:1px solid var(--line);border-radius:999px;padding:10px 22px;
  font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  background:var(--white);transition:.28s var(--ease);color:var(--ink-soft);
}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.prod-card{
  border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--white);
  display:flex;flex-direction:column;transition:transform .4s var(--ease),box-shadow .4s var(--ease);
}
.prod-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-card .pic{aspect-ratio:4/3.1;overflow:hidden;background:var(--paper-2)}
.prod-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.prod-card:hover .pic img{transform:scale(1.06)}
.prod-card .body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:10px;flex-grow:1}
.prod-card .tag{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--clay);font-weight:700}
.prod-card h3{font-family:var(--serif);font-size:21px;font-weight:500}
.prod-card p{font-size:13.5px;color:var(--ink-soft);flex-grow:1}
.prod-card .specs{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.prod-card .specs span{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:4px 12px;color:var(--ink-soft)}
.prod-card .act{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:16px;margin-top:8px}
.prod-card .act a{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--clay)}
.prod-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.hidden-item{display:none!important}

/* --- contact --- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:start}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:3px;padding:44px}
.form-card h3{font-family:var(--serif);font-size:26px;margin-bottom:6px;font-weight:500}
.form-card .fs{font-size:14px;color:var(--ink-soft);margin-bottom:30px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.f-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.f-field label{font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}
.f-field input,.f-field select,.f-field textarea{
  border:1px solid var(--line);background:var(--paper);border-radius:2px;
  padding:13px 16px;font-size:14.5px;transition:border-color .25s;
}
.f-field input:focus,.f-field select:focus,.f-field textarea:focus{outline:none;border-color:var(--clay)}
.f-field textarea{resize:vertical;min-height:120px}
.form-note{font-size:12.5px;color:var(--ink-soft);margin-top:14px}
.info-stack{display:grid;gap:22px}
.info-card{border:1px solid var(--line);border-radius:3px;background:var(--white);padding:28px}
.info-card h4{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--clay);margin-bottom:12px}
.info-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.7}
.info-card p b{color:var(--ink)}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:var(--paper);padding:16px 30px;border-radius:3px;
  font-size:14px;opacity:0;pointer-events:none;transition:.4s var(--ease);z-index:99;box-shadow:var(--shadow);
}
.toast.show{opacity:1;transform:translateX(-50%)}

/* --- footer --- */
footer{background:var(--ink);color:var(--paper)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding:76px 0 56px}
.foot-brand .mark{font-family:var(--serif);font-size:26px;letter-spacing:.08em}
.foot-brand .mark b{color:var(--clay)}
.foot-brand p{font-size:14px;color:rgba(246,243,238,.62);margin-top:16px;max-width:34ch;line-height:1.7}
.foot-col h5{font-size:11.5px;letter-spacing:.24em;text-transform:uppercase;color:rgba(246,243,238,.5);margin-bottom:20px}
.foot-col ul{display:grid;gap:12px}
.foot-col a{font-size:14px;color:rgba(246,243,238,.82);transition:.25s}
.foot-col a:hover{color:var(--clay);padding-left:4px}
.foot-col p{font-size:14px;color:rgba(246,243,238,.72);line-height:1.8}
.foot-bottom{
  border-top:1px solid rgba(246,243,238,.14);padding:22px 0;display:flex;
  justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(246,243,238,.5);
}

/* --- reveal animation --- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}.rv.d4{transition-delay:.32s}

/* --- responsive --- */
@media(max-width:1080px){
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .svc-grid,.testi-grid,.values{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-left:none;border-top:1px solid var(--line)}
  .step:nth-child(-n+2){border-top:none}
  .step::after{left:0}
  .resp-grid{grid-template-columns:repeat(2,1fr)}
  .prod-grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-links{display:none}
  .menu-btn{display:flex}
  .nav-cta .btn{display:none}
  .mobile-menu{display:block;position:fixed;inset:74px 0 auto;background:var(--paper);border-bottom:1px solid var(--line);z-index:59;transform:translateY(-110%);transition:transform .4s var(--ease);padding:10px 5vw 26px}
  .mobile-menu.open{transform:none}
  .mobile-menu a{display:block;padding:15px 4px;font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-bottom:1px solid var(--line)}
  .mobile-menu .btn{display:inline-flex;margin-top:22px}
  .hero{padding-top:120px;min-height:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual .card-float{left:12px}
  .hero-facts{gap:24px;flex-wrap:wrap}
  .split{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr}
  .section{padding:66px 0}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(odd){border-left:none}
  .stat{border-top:1px solid var(--line)}
  .stat:nth-child(-n+2){border-top:none}
}
@media(max-width:600px){
  h1.h-display{font-size:34px}
  .cat-grid,.svc-grid,.testi-grid,.values,.prod-grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step{border-top:1px solid var(--line)}
  .step:first-child{border-top:none}
  .resp-grid{grid-template-columns:1fr}
  .f-row{grid-template-columns:1fr}
  .form-card{padding:28px 22px}
  .foot-top{grid-template-columns:1fr;gap:34px;padding:56px 0 40px}
  .hero-visual .stamp{display:none}
  .page-head{padding:130px 0 54px}
  .sec-head{margin-bottom:34px}
  .cta-band{padding:60px 0}
}

/* ================= AI assistant widget ================= */
.chat-fab{
  position:fixed;right:22px;bottom:22px;z-index:80;display:flex;align-items:center;gap:10px;
  background:var(--ink);color:var(--paper);border-radius:999px;padding:14px 20px;
  font-size:13px;font-weight:700;letter-spacing:.06em;box-shadow:var(--shadow);
  transition:transform .3s var(--ease),background .3s;cursor:pointer;border:none;
}
.chat-fab:hover{transform:translateY(-3px);background:var(--clay)}
.chat-fab .dot{width:9px;height:9px;border-radius:50%;background:#7BC47F;animation:blink 2.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.chat-panel{
  position:fixed;right:22px;bottom:88px;z-index:81;width:356px;max-width:calc(100vw - 32px);
  background:var(--white);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;overflow:hidden;
  opacity:0;pointer-events:none;transform:translateY(14px);transition:.35s var(--ease);
  max-height:min(560px,calc(100vh - 120px));
}
.chat-panel.open{opacity:1;pointer-events:auto;transform:none}
.chat-head{background:var(--ink);color:var(--paper);padding:16px 18px;display:flex;justify-content:space-between;align-items:center}
.chat-head b{font-family:var(--serif);font-size:16px;font-weight:500}
.chat-head small{display:block;font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.6;margin-top:2px}
.chat-close{color:var(--paper);font-size:20px;line-height:1;padding:4px 8px;opacity:.7}
.chat-close:hover{opacity:1}
.chat-body{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:10px;background:var(--paper);min-height:120px}
.chat-msg{max-width:88%;padding:10px 14px;border-radius:6px;font-size:13.5px;line-height:1.55}
.chat-msg.bot{background:var(--white);border:1px solid var(--line);align-self:flex-start;border-bottom-left-radius:2px}
.chat-msg.user{background:var(--ink);color:var(--paper);align-self:flex-end;border-bottom-right-radius:2px}
.chat-msg.bot b{font-family:var(--serif);font-weight:500}
.chat-quick{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 12px;background:var(--paper)}
.chat-chip{
  border:1px solid var(--line);background:var(--white);border-radius:999px;
  padding:7px 14px;font-size:12px;font-weight:600;color:var(--ink-soft);cursor:pointer;transition:.25s;
}
.chat-chip:hover{border-color:var(--clay);color:var(--clay)}
.chat-form{border-top:1px solid var(--line);padding:12px 16px;background:var(--white)}
.chat-form input,.chat-form textarea{
  width:100%;border:1px solid var(--line);background:var(--paper);border-radius:2px;
  padding:9px 12px;font-size:13px;margin-bottom:8px;
}
.chat-form input:focus,.chat-form textarea:focus{outline:none;border-color:var(--clay)}
.chat-form textarea{min-height:54px;resize:none}
.chat-send{width:100%;justify-content:center;padding:11px}
.chat-note{font-size:11px;color:var(--ink-soft);text-align:center;margin-top:6px}
@media(max-width:600px){
  .chat-panel{right:16px;width:calc(100vw - 32px)}
  .chat-fab{right:16px;bottom:16px;padding:12px 16px;font-size:12px}
}
.ai-badge{
  display:inline-block;margin-left:12px;font-size:10px;font-weight:700;letter-spacing:.12em;
  color:#7BC47F;border:1px solid rgba(123,196,127,.5);border-radius:999px;padding:2px 9px;
  text-transform:uppercase;vertical-align:middle;font-family:var(--sans);
}
.chat-msg i{opacity:.6;font-style:italic}