/* =====================================================================
   Prima Grout & Tile Solutions Sdn Bhd  ·  site stylesheet
   One direction: porcelain tile, navy ink, and the brass grout joint.
   Signature: the joint line (brass hairline + cross) that draws itself.
   ===================================================================== */

:root{
  /* palette */
  --canvas:#F2F3F0;         /* porcelain, never pure white */
  --canvas-2:#E8EAE6;       /* alternate band */
  --panel:#FAFAF8;
  --ink:#0F2436;            /* navy ink, headings + body */
  --ink-2:#44566A;          /* secondary text, 6.9:1 on canvas */
  --steel:#3C6480;          /* logo blue, text-safe shade */
  --steel-soft:#4F7A96;     /* logo blue, decoration */
  --slate:#8E9AA4;          /* logo grey, decoration */
  --line:#D6DAD9;           /* hairline */
  --line-strong:#7C8894;    /* interactive borders, 3.2:1 */
  --brass:#B8892F;          /* the joint: rare accent */
  --brass-lt:#D9AE5E;       /* brass on dark */
  --dark:#0E1C29;           /* dark bands */
  --dark-2:#15283A;
  --on-dark:#EEF1F2;
  --on-dark-2:#A9B6C1;
  --wa:#128C4B;             /* WhatsApp green, white text 4.6:1 */

  /* type */
  --f-display:"Archivo","Noto Sans SC",system-ui,sans-serif;
  --f-body:"Instrument Sans","Noto Sans SC",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;

  /* motion tokens */
  --ease-out:cubic-bezier(.22,.8,.24,1);
  --ease-io:cubic-bezier(.65,.05,.36,1);

  --wrap:1200px;
  --gut:clamp(16px,4vw,40px);
  --hdr:72px;
  --radius:4px;
  --tshadow:0 1px 2px rgba(5,10,16,.9),0 3px 12px rgba(5,10,16,.7),0 10px 40px rgba(5,10,16,.7);
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--ink);font:400 16.5px/1.62 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:opacity .5s var(--ease-out)}
html.js body{opacity:0}
html.js body.ready{opacity:1}
img,video,svg{display:block;max-width:100%}
figure{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);font-stretch:112%;line-height:1.08;margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0}
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3,:lang(zh) h4{font-stretch:100%;letter-spacing:.01em;line-height:1.25}
:lang(zh) body{line-height:1.8}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px;border-radius:2px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:12px;top:-60px;z-index:999;background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--radius);transition:top .2s}
.skip:focus{top:12px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
main{display:block;outline:none}

/* ---------- the environment: one fixed tile-grid layer ---------- */
.env{position:fixed;inset:-160px;z-index:-1;pointer-events:none;opacity:.55;
  background-image:
    linear-gradient(to right,rgba(79,122,150,.10) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(79,122,150,.10) 1px,transparent 1px);
  background-size:160px 160px;animation:drift 120s linear infinite;animation-delay:-37s}
@keyframes drift{to{transform:translate3d(160px,160px,0)}}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}

/* ---------- type helpers ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:500 12.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.eyebrow::before{content:"";width:13px;height:13px;flex:none;background:
  linear-gradient(var(--brass),var(--brass)) center/100% 1.5px no-repeat,
  linear-gradient(var(--brass),var(--brass)) center/1.5px 100% no-repeat}
:lang(zh) .eyebrow{letter-spacing:.2em}
.dark .eyebrow,.on-dark .eyebrow{color:var(--brass-lt)}
.h1{font-size:clamp(38px,5.6vw,76px);font-weight:800}
.h2{font-size:clamp(30px,3.8vw,50px)}
.h3{font-size:clamp(21px,2vw,26px)}
.lede{font-size:clamp(17px,1.35vw,19.5px);color:var(--ink-2);max-width:62ch}
.dark .lede,.on-dark .lede{color:var(--on-dark-2)}
.mono{font-family:var(--f-mono)}
.muted{color:var(--ink-2)}
.head{display:grid;gap:18px;margin-bottom:clamp(36px,5vw,60px)}
.head .lede{margin-top:4px}
.head.center{justify-items:center;text-align:center}
.head.center .lede{text-align:center}

/* ---------- buttons ---------- */
.btn{--bg:var(--ink);--fg:#fff;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:var(--radius);background:var(--bg);color:var(--fg);font:600 15px/1 var(--f-body);letter-spacing:.01em;border:1.5px solid var(--bg);cursor:pointer;position:relative;overflow:hidden;transition:transform .35s var(--ease-out),background-color .3s var(--ease-out),border-color .3s var(--ease-out),color .3s var(--ease-out);text-shadow:none;white-space:nowrap}
.btn::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-out)}
.btn:hover{transform:translateY(-2px)}
.btn:hover::after{transform:scaleX(1)}
.btn-primary{--bg:var(--ink);--fg:#fff}
.btn-ghost{--bg:transparent;--fg:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-light{--bg:var(--on-dark);--fg:var(--dark)}
.btn-outline-light{--bg:transparent;--fg:var(--on-dark);border-color:rgba(238,241,242,.45)}
.btn-outline-light:hover{border-color:var(--on-dark)}
.btn-wa{--bg:var(--wa);--fg:#fff}
.btn svg{width:18px;height:18px;flex:none}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--steel);border-bottom:1.5px solid transparent;transition:border-color .3s var(--ease-out),gap .3s var(--ease-out)}
.link:hover{border-color:currentColor;gap:12px}
.dark .link{color:var(--brass-lt)}

/* ---------- header ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--hdr);background:rgba(242,243,240,.86);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.scrolled{border-color:var(--line);box-shadow:0 8px 30px -18px rgba(15,36,54,.35)}
.nav{height:100%;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;flex:none;height:100%}
.plate{position:relative;display:block;overflow:hidden;background:#fff;border-radius:4px;box-shadow:0 0 0 1px rgba(15,36,54,.08),0 6px 18px -12px rgba(15,36,54,.35)}
.plate img{position:absolute;max-width:none;height:auto}
.brand .plate{width:114px;height:52px}
.brand .plate img{width:119px;left:-2.5px;top:-7.5px}
.nav-links{display:none;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0;margin-block:0}
.nav-links>li{position:relative}
.nav-links a,.dd-btn{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 12px;font-size:14.5px;font-weight:500;color:var(--ink-2);border:0;background:none;cursor:pointer;position:relative;transition:color .25s}
.nav-links a::after,.dd-btn::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1.5px;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease-out)}
.nav-links a:hover,.dd-btn:hover,.nav-links a[aria-current="page"],.dd-btn.current{color:var(--ink)}
.nav-links a:hover::after,.nav-links a[aria-current="page"]::after,.dd-btn.current::after{transform:scaleX(1)}
.dd-btn svg{width:10px;height:10px;transition:transform .3s var(--ease-out)}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:250px;padding:8px;background:var(--panel);border:1px solid var(--line);border-radius:6px;box-shadow:0 24px 50px -20px rgba(15,36,54,.35);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .25s var(--ease-out),transform .3s var(--ease-out),visibility 0s .3s;list-style:none;margin:0}
.dd.open .dd-menu{opacity:1;visibility:visible;transform:none;transition:opacity .25s var(--ease-out),transform .3s var(--ease-out)}
.dd.open .dd-btn svg{transform:rotate(180deg)}
.dd-menu a{display:grid;height:auto;padding:10px 12px;gap:2px;border-radius:4px}
.dd-menu a::after{display:none}
.dd-menu a:hover,.dd-menu a[aria-current="page"]{background:var(--canvas-2)}
.dd-menu b{font-weight:600;color:var(--ink);font-size:14.5px}
.dd-menu small{font-size:12.5px;color:var(--ink-2)}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.lang{display:flex;padding:3px;border:1px solid var(--line-strong);border-radius:999px;background:var(--panel)}
.lang button{border:0;background:none;min-width:40px;height:30px;padding:0 10px;border-radius:999px;font:600 12.5px/1 var(--f-body);color:var(--ink-2);cursor:pointer;transition:background-color .25s,color .25s}
.lang button[aria-pressed="true"]{background:var(--ink);color:#fff}
.nav-cta{display:none}
.burger{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel);cursor:pointer}
.burger span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:background .2s}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease-out)}
.burger span::before{top:-6px}.burger span::after{top:6px}
.burger[aria-expanded="true"] span{background:transparent}
.burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media (min-width:1080px){
  .nav-links{display:flex;margin-left:28px}
  .nav-right{margin-left:auto}
  .nav-cta{display:inline-flex;min-height:42px;padding:0 18px;font-size:14px}
  .burger{display:none}
}
@media (max-width:520px){.nav-right .lang{display:none}.brand .plate{width:96px;height:44px}.brand .plate img{width:100px;left:-2px;top:-6.2px}}

/* mobile drawer */
.drawer{position:fixed;inset:var(--hdr) 0 0;z-index:99;background:var(--canvas);padding:18px var(--gut) 32px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s var(--ease-out),transform .35s var(--ease-out),visibility 0s .35s}
.drawer.open{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease-out),transform .35s var(--ease-out)}
.drawer ul{list-style:none;margin:0;padding:0}
.drawer li a{display:flex;align-items:center;justify-content:space-between;padding:16px 2px;border-bottom:1px solid var(--line);font:600 19px/1.2 var(--f-display);font-stretch:108%}
.drawer li.sub a{padding-left:18px;font:500 16px/1.2 var(--f-body);color:var(--ink-2)}
.drawer .lang{margin:22px 0 16px;width:max-content}
.drawer .btn{width:100%;margin-top:10px}
body.menu-open{overflow:hidden}
@media (min-width:1080px){.drawer{display:none}}

/* ---------- sections ---------- */
.section{position:relative;padding:clamp(72px,10vw,132px) 0}
.section.tight{padding:clamp(56px,7vw,88px) 0}
.section.alt{background:rgba(232,234,230,.78)}
.section.dark,.dark{background:var(--dark);color:var(--on-dark)}
.dark h1,.dark h2,.dark h3,.dark h4{color:var(--on-dark)}
.page-top{padding-top:calc(var(--hdr) + clamp(48px,7vw,96px))}

/* the joint: brass hairline that draws itself, ending in a cross */
.joint{position:relative;height:13px;margin:0 0 clamp(28px,4vw,44px);max-width:var(--wrap)}
.joint::before{content:"";position:absolute;left:0;right:14px;top:6px;height:1.5px;background:var(--brass);transform-origin:left;transition:transform 1.4s var(--ease-out)}
.joint::after{content:"";position:absolute;right:0;top:0;width:13px;height:13px;background:
  linear-gradient(var(--brass),var(--brass)) center/100% 1.5px no-repeat,
  linear-gradient(var(--brass),var(--brass)) center/1.5px 100% no-repeat;transition:opacity .4s .9s,transform .6s .9s var(--ease-out)}
.js .joint::before{transform:scaleX(0)}
.js .joint.in::before{transform:scaleX(1)}
.js .joint::after{opacity:0;transform:rotate(-45deg) scale(.4)}
.js .joint.in::after{opacity:1;transform:none}

/* reveal choreography */
.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:calc(var(--i,0) * 90ms)}
.js .rv.in{opacity:1;transform:none}
.rv.done{transition-delay:0s}
.rv-img{overflow:hidden}
.js .rv-img img{transform:scale(1.08);transition:transform 1.6s var(--ease-out)}
.js .rv-img.in img{transform:none}

/* ---------- HERO (scroll-scrubbed photo sequence) ---------- */
.hero{position:relative;background:var(--dark);color:var(--on-dark);height:300vh}
.hero .stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:grid;align-items:center}
.hero .stage::before{content:"";position:absolute;inset:0;pointer-events:none;background:
  radial-gradient(ellipse 60% 70% at 72% 50%,rgba(79,122,150,.20),transparent 70%),
  linear-gradient(90deg,rgba(14,28,41,1) 0%,rgba(14,28,41,.92) 40%,rgba(14,28,41,.55) 100%)}
.hero .hgrid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:clamp(24px,5vw,72px);align-items:center;width:100%;padding-top:var(--hdr)}
.h-copy{position:relative;min-height:min(62vh,520px)}
.band{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;gap:22px;opacity:0;text-shadow:var(--tshadow);will-change:opacity}
.band .btn{text-shadow:none}
.band h1{font-size:clamp(40px,4.3vw,66px);font-weight:800;color:var(--on-dark)}
.band h2{font-size:clamp(30px,3.6vw,52px);color:var(--on-dark)}
.band p{font-size:clamp(17px,1.4vw,20px);color:var(--on-dark-2);max-width:40ch}
.band .kick{font:500 13px/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--brass-lt)}
.band .w{display:inline-block;opacity:var(--kc,1);transform:translateY(calc((1 - var(--kc,1)) * 26px))}
.band[data-fx="rise"] .w{--kc:clamp(0,(var(--k,0) - var(--th,0)) * 3,1)}
.band[data-fx="drift"] .w{--kc:clamp(0,(var(--k,0) - var(--th,0)) * 2.8,1);transform:translateY(calc((1 - var(--kc)) * -24px))}
.band .sub{opacity:clamp(0,(var(--k,1) - .55) * 3,1);transform:translateY(calc((1 - clamp(0,(var(--k,1) - .55) * 3,1)) * 14px))}
.band .late{opacity:clamp(0,(var(--k,1) - .75) * 4,1);transform:translateY(calc((1 - clamp(0,(var(--k,1) - .75) * 4,1)) * 12px))}
.h-regions{display:flex;flex-wrap:wrap;gap:8px 18px;font:500 12.5px/1.4 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-2)}
.h-regions span::before{content:"+ ";color:var(--brass-lt)}
.h-frame{position:relative;justify-self:center;height:min(78vh,780px);aspect-ratio:9/16;max-width:100%;border-radius:3px;overflow:hidden;background:#0a141e;box-shadow:0 40px 90px -30px rgba(0,0,0,.8),0 0 0 1px rgba(238,241,242,.08)}
.frame{position:absolute;inset:0;overflow:hidden;will-change:transform}
.frame img{width:100%;height:100%;object-fit:cover;will-change:transform}
.wipe{position:absolute;left:-2px;right:-2px;top:0;height:2px;background:var(--brass-lt);box-shadow:0 0 18px 2px rgba(217,174,94,.65);opacity:0;will-change:transform,opacity;z-index:3}
.h-chip{position:absolute;left:14px;bottom:14px;right:14px;z-index:4;display:flex;align-items:center;gap:10px;padding:9px 12px;background:rgba(8,14,22,.62);border:1px solid rgba(238,241,242,.16);border-radius:6px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font:500 12px/1.35 var(--f-mono);letter-spacing:.04em;color:var(--on-dark);text-shadow:0 1px 3px rgba(5,10,16,.85)}
.h-chip i{width:7px;height:7px;flex:none;border-radius:50%;background:var(--brass-lt)}
.h-chip span{transition:opacity .35s}
.h-chip .c2,.h-chip .c3,.h-chip .c4{position:absolute;opacity:0}
.cue{position:absolute;left:50%;bottom:22px;z-index:2;transform:translateX(-50%);display:grid;justify-items:center;gap:8px;font:500 11px/1 var(--f-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--on-dark-2);transition:opacity .4s}
.cue svg{width:22px;height:34px}
.cue .dot{animation:cue 2.4s var(--ease-io) infinite;animation-delay:-.6s}
@keyframes cue{0%{transform:translateY(0);opacity:1}70%{transform:translateY(10px);opacity:0}100%{transform:translateY(0);opacity:0}}
.hero .progress{position:absolute;left:var(--gut);bottom:26px;z-index:2;display:flex;gap:6px}
.hero .progress i{width:28px;height:2px;background:rgba(238,241,242,.2);overflow:hidden;position:relative}
.hero .progress i::after{content:"";position:absolute;inset:0;background:var(--brass-lt);transform:scaleX(var(--p,0));transform-origin:left}
@media (max-height:560px){.cue,.hero .progress{display:none}}

/* static hero: phones, portrait tablets, coarse portrait, landscape phones, reduced motion (must match JS GATES) */
@media (max-width:720px),(orientation:portrait) and (max-width:1024px),(orientation:portrait) and (pointer:coarse),(orientation:landscape) and (pointer:coarse) and (max-height:560px),(prefers-reduced-motion:reduce){
  .hero{height:auto}
  .hero .stage{position:relative;height:auto;min-height:0;padding:calc(var(--hdr) + 36px) 0 56px}
  .hero .hgrid{grid-template-columns:1fr;padding-top:0}
  .h-copy{min-height:0;display:grid;gap:34px}
  .band{position:relative;inset:auto;opacity:1!important}
  .band .w,.band .sub,.band .late{--k:1;--kc:1;opacity:1!important;transform:none!important}
  .band.b2,.band.b3{display:none}
  .band.b1 .btn-row,.band.b4 .kick{display:none}
  .h-frame{height:auto;width:min(100%,420px);aspect-ratio:4/5}
  .frame.f1,.frame.f2,.frame.f3{display:none}
  .frame.f4{transform:none!important}
  .frame.f4 img{transform:none!important}
  .wipe,.cue,.hero .progress{display:none}
  .h-chip .c1,.h-chip .c2,.h-chip .c3{display:none}
  .h-chip .c4{opacity:1!important;position:relative!important}
}

/* ---------- proof strip ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.stat{padding:clamp(22px,3vw,36px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start;position:relative}
.stat b{font:800 clamp(38px,4.6vw,64px)/1 var(--f-display);font-stretch:118%;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.stat b sup{font-size:.5em;vertical-align:top;margin-left:2px;color:var(--brass)}
.stat > span{font-size:14.5px;color:var(--ink-2);max-width:26ch}
.stat::after{content:"";position:absolute;right:-7px;bottom:-7px;width:13px;height:13px;background:
  linear-gradient(var(--slate),var(--slate)) center/100% 1px no-repeat,
  linear-gradient(var(--slate),var(--slate)) center/1px 100% no-repeat;opacity:.9}
@media (min-width:900px){.stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stats.stats-3{grid-template-columns:minmax(0,1fr)}
@media (min-width:640px){.stats.stats-3{grid-template-columns:repeat(3,minmax(0,1fr))}}

/* ---------- service duo ---------- */
.duo{display:grid;gap:clamp(18px,2.4vw,28px)}
@media (min-width:880px){.duo{grid-template-columns:1fr 1fr}}
.duo-card{position:relative;display:grid;grid-template-rows:auto 1fr;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out)}
.duo-card:hover{transform:translateY(-4px);box-shadow:0 30px 60px -34px rgba(15,36,54,.45)}
.duo-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;position:relative}
.duo-card figure img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.duo-card:hover figure img{transform:scale(1.04)}
.duo-card .tag{position:absolute;left:16px;top:16px;background:rgba(14,28,41,.78);color:var(--on-dark);font:500 12px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;padding:8px 10px;border-radius:3px;backdrop-filter:blur(6px)}
.duo-body{padding:clamp(22px,3vw,34px);display:grid;gap:16px;align-content:start}
.duo-body ul{list-style:none;margin:4px 0 6px;padding:0;display:grid;gap:10px}
.duo-body li{display:grid;grid-template-columns:18px 1fr;gap:10px;font-size:15.5px;color:var(--ink-2)}
.duo-body li::before{content:"";width:11px;height:11px;margin-top:7px;background:
  linear-gradient(var(--brass),var(--brass)) center/100% 1.5px no-repeat,
  linear-gradient(var(--brass),var(--brass)) center/1.5px 100% no-repeat}
.badge-new{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:999px;background:var(--brass);color:#1c1406;font:600 11.5px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;margin-left:10px;vertical-align:middle}

/* ---------- before / after ---------- */
.ba{position:relative;overflow:hidden;border-radius:4px;background:#0a141e;user-select:none;-webkit-user-select:none;touch-action:pan-y;cursor:ew-resize;--pos:50%}
.ba img{width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-drag:none}
.ba .ba-after{position:absolute;inset:0}
.ba .ba-before{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.ba .ba-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:0;z-index:3}
.ba .ba-handle::before{content:"";position:absolute;top:0;bottom:0;left:-1px;width:2px;background:var(--brass-lt);box-shadow:0 0 12px rgba(217,174,94,.7)}
.ba .ba-knob{position:absolute;top:50%;left:0;width:48px;height:48px;margin:-24px 0 0 -24px;border-radius:50%;background:rgba(14,28,41,.82);border:1.5px solid var(--brass-lt);display:grid;place-items:center;backdrop-filter:blur(6px);transition:transform .3s var(--ease-out)}
.ba:hover .ba-knob,.ba.dragging .ba-knob{transform:scale(1.08)}
.ba .ba-knob svg{width:22px;height:22px;color:var(--on-dark)}
.ba .lbl{position:absolute;top:12px;z-index:2;padding:6px 10px;border-radius:3px;background:rgba(8,14,22,.7);color:var(--on-dark);font:600 11.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;backdrop-filter:blur(6px)}
.ba .lbl.b{left:12px}.ba .lbl.a{right:12px;background:rgba(184,137,47,.92);color:#1c1406}
.ba input[type=range]{position:absolute;inset:auto 0 0;width:100%;height:1px;opacity:0;pointer-events:none}
.ba:focus-within{outline:2px solid var(--brass);outline-offset:3px}
.ba-intro{animation:nudge 1.6s var(--ease-io) 1 both}
.ba-cap{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:6px 16px;margin-top:12px}
.ba-cap b{font:600 16px/1.3 var(--f-display);font-stretch:108%}
.ba-cap span{font:500 12px/1.4 var(--f-mono);letter-spacing:.06em;color:var(--ink-2);text-transform:uppercase}
.ba-cap p{flex-basis:100%;font-size:14.5px;color:var(--ink-2)}
.ba-split{display:grid;grid-template-columns:1fr 1fr;gap:4px;border-radius:4px;overflow:hidden;background:var(--line)}
.ba-split figure{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden;background:#0a141e;cursor:zoom-in}
.ba-split img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.ba-split figure:hover img{transform:scale(1.03)}
.ba-split .lbl{position:absolute;left:10px;top:10px;padding:6px 9px;border-radius:3px;background:rgba(8,14,22,.72);color:var(--on-dark);font:600 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase}
.ba-split figure+figure .lbl{background:rgba(184,137,47,.92);color:#1c1406}
.ba-single{position:relative;border-radius:4px;overflow:hidden;background:#0a141e;cursor:zoom-in}
.ba-single img{width:100%;height:100%;object-fit:contain}
.ba-single .lbl{position:absolute;left:10px;bottom:10px;padding:6px 9px;border-radius:3px;background:rgba(8,14,22,.72);color:var(--on-dark);font:600 11px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase}
.ba-feature{display:grid;gap:clamp(28px,4vw,56px);align-items:center}
@media (min-width:900px){.ba-feature{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.ba-feature.flip{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}}
.ba-feature .ba{aspect-ratio:3/4;max-height:78vh;width:100%;justify-self:center}
.ba-sliders{display:grid;gap:clamp(22px,3vw,34px)}
@media (min-width:760px){.ba-sliders{grid-template-columns:repeat(3,minmax(0,1fr))}}
.ba-sliders .ba{aspect-ratio:3/4}
.ba-grid{display:grid;gap:clamp(22px,3vw,34px) clamp(16px,2vw,26px)}
@media (min-width:640px){.ba-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1060px){.ba-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.honest{display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border:1px dashed var(--line-strong);border-radius:6px;background:rgba(250,250,248,.7);font-size:14.5px;color:var(--ink-2);max-width:760px}
.honest svg{flex:none;width:20px;height:20px;color:var(--steel);margin-top:2px}

/* ---------- method (joint line connects the steps) ---------- */
.steps{position:relative;display:grid;gap:34px;counter-reset:s;--draw:1}
.js .steps{--draw:0}
.steps::before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:1.5px;background:var(--brass);transform:scaleY(var(--draw,0));transform-origin:top;transition:transform 1.8s var(--ease-out)}
.js .steps.in{--draw:1}
.step{position:relative;padding-left:62px;display:grid;gap:8px}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);position:absolute;left:0;top:-4px;width:40px;height:40px;display:grid;place-items:center;border-radius:50%;background:var(--canvas);border:1.5px solid var(--brass);font:600 12.5px/1 var(--f-mono);color:var(--ink)}
.dark .step::before{background:var(--dark);color:var(--on-dark)}
.step h3{font-size:20px}
.step p{color:var(--ink-2);font-size:15.5px;max-width:48ch}
.dark .step p{color:var(--on-dark-2)}
@media (min-width:980px){
  .steps.row{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
  .steps.row::before{left:20px;right:20px;top:19px;bottom:auto;width:auto;height:1.5px;transform:scaleX(var(--draw,0));transform-origin:left}
  .steps.row .step{padding:62px 0 0}
  .steps.row .step::before{top:0}
}

/* ---------- craft collage ---------- */
.craft{display:grid;gap:clamp(28px,4vw,64px);align-items:center}
@media (min-width:960px){.craft{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}}
.collage{display:grid;grid-template-columns:1.1fr .9fr;gap:12px;align-items:end}
.collage figure{margin:0;position:relative;border-radius:4px;overflow:hidden;background:#0a141e}
.collage figure:first-child{aspect-ratio:3/4}
.collage figure:last-child{aspect-ratio:9/16;transform:translateY(-12%)}
.collage img{width:100%;height:100%;object-fit:cover}
.collage figcaption,.cap-chip{position:absolute;left:10px;bottom:10px;right:10px;padding:7px 10px;border-radius:3px;background:rgba(8,14,22,.7);color:var(--on-dark);font:500 11.5px/1.35 var(--f-mono);letter-spacing:.04em;backdrop-filter:blur(6px)}
.spec{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.spec li{display:grid;grid-template-columns:minmax(120px,.42fr) 1fr;gap:6px 22px;padding:18px 0;border-bottom:1px solid var(--line)}
.spec li b{font:500 12.5px/1.5 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--steel);padding-top:2px}
.spec li p{font-size:15.5px;color:var(--ink-2)}
.spec li p strong{color:var(--ink);font-weight:600}
@media (max-width:560px){.spec li{grid-template-columns:1fr}}
.dark .spec,.dark .spec li{border-color:rgba(238,241,242,.14)}
.dark .spec li b{color:var(--brass-lt)}
.dark .spec li p{color:var(--on-dark-2)}

/* ---------- mosaic ---------- */
.mosaic{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.mosaic a{position:relative;display:block;overflow:hidden;border-radius:4px;background:#0a141e;aspect-ratio:3/4}
.mosaic a img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out),opacity .5s}
.mosaic a:hover img{transform:scale(1.05)}
.mosaic a .cap-chip{opacity:0;transform:translateY(6px);transition:opacity .35s var(--ease-out),transform .35s var(--ease-out)}
.mosaic a:hover .cap-chip,.mosaic a:focus-visible .cap-chip{opacity:1;transform:none}
@media (hover:none){.mosaic a .cap-chip{opacity:1;transform:none}}
@media (min-width:860px){
  .mosaic{grid-template-columns:repeat(4,minmax(0,1fr));grid-auto-rows:clamp(190px,20vw,290px)}
  .mosaic a{aspect-ratio:auto}
  .mosaic a:nth-child(1){grid-row:span 2}
  .mosaic a:nth-child(6){grid-column:span 2}
}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:clamp(16px,2vw,24px)}
@media (min-width:700px){.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1020px){.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}}
.card{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:clamp(22px,2.6vw,30px);display:grid;gap:12px;align-content:start;transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out),border-color .3s}
.card:hover{transform:translateY(-3px);box-shadow:0 26px 50px -34px rgba(15,36,54,.4);border-color:#c8cdcd}
.card h3{font-size:19px;font-stretch:108%}
.card p{color:var(--ink-2);font-size:15.5px}
.card .num{font:600 12.5px/1 var(--f-mono);color:var(--steel);letter-spacing:.1em}
.card .icon{width:40px;height:40px;color:var(--steel)}
.dark .card{background:var(--dark-2);border-color:rgba(238,241,242,.1)}
.dark .card p{color:var(--on-dark-2)}

/* split rows (image + text) */
.split{display:grid;gap:clamp(28px,4vw,64px);align-items:center}
@media (min-width:920px){.split{grid-template-columns:1fr 1fr}.split.wide-img{grid-template-columns:1.15fr .85fr}.split.flip>:first-child{order:2}}
.split figure{margin:0;border-radius:4px;overflow:hidden;background:#0a141e;position:relative}
.split figure img{width:100%;height:100%;object-fit:cover}

/* photo strip */
.pstrip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (min-width:860px){.pstrip{grid-template-columns:repeat(4,minmax(0,1fr))}}
.pstrip figure{margin:0;position:relative;aspect-ratio:3/4;overflow:hidden;border-radius:4px;background:#0a141e;cursor:zoom-in}
.pstrip img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease-out)}
.pstrip figure:hover img{transform:scale(1.04)}
.pstrip figcaption{position:absolute;left:8px;right:8px;bottom:8px;padding:7px 9px;border-radius:3px;background:rgba(8,14,22,.72);color:var(--on-dark);font:500 11.5px/1.35 var(--f-mono);backdrop-filter:blur(6px)}

/* ---------- page hero (inner pages) ---------- */
.page-hero{position:relative;padding:calc(var(--hdr) + clamp(56px,8vw,112px)) 0 clamp(48px,6vw,80px)}
.page-hero .h1{max-width:18ch}
:lang(zh) .page-hero .h1{max-width:16em}
.page-hero .lede{margin-top:22px}
.page-hero .btn-row{margin-top:32px}
.crumbs{display:flex;gap:8px;margin-bottom:24px;font:500 12px/1 var(--f-mono);letter-spacing:.08em;color:var(--ink-2);text-transform:uppercase}
.crumbs a:hover{color:var(--ink)}
.subnav{position:sticky;top:var(--hdr);z-index:40;background:rgba(242,243,240,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-block:1px solid var(--line)}
.subnav .wrap{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-block:10px}
.subnav .wrap::-webkit-scrollbar{display:none}
.subnav a{flex:none;display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);border:1px solid transparent;transition:all .25s}
.subnav a:hover{color:var(--ink);border-color:var(--line-strong)}
.subnav a.on{background:var(--ink);color:#fff}

/* region tiles */
.regions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (min-width:900px){.regions{grid-template-columns:repeat(4,minmax(0,1fr))}}
.region{display:grid;gap:6px;padding:20px;border:1px solid var(--line);border-radius:6px;background:var(--panel);text-align:left;cursor:pointer;transition:border-color .3s,transform .4s var(--ease-out),background-color .3s}
.region:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.region b{font:800 34px/1 var(--f-display);font-stretch:118%;font-variant-numeric:tabular-nums}
.region span{font-size:14px;color:var(--ink-2)}
.region small{font:500 11.5px/1.4 var(--f-mono);letter-spacing:.08em;color:var(--steel);text-transform:uppercase}
.region[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:#fff}
.region[aria-pressed="true"] span,.region[aria-pressed="true"] small{color:var(--on-dark-2)}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tabs button{height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);background:var(--panel);font-size:14px;font-weight:500;color:var(--ink-2);cursor:pointer;transition:all .25s}
.tabs button:hover{color:var(--ink);border-color:var(--ink)}
.tabs button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.tabs button em{font-style:normal;font-family:var(--f-mono);font-size:12px;opacity:.7;margin-left:6px}

/* project cards */
.pgrid{display:grid;gap:clamp(18px,2vw,26px)}
@media (min-width:640px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1020px){.pgrid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.pcard{display:grid;gap:14px;text-align:left;border:0;padding:0;background:none;cursor:pointer}
.pcard .ph{position:relative;aspect-ratio:4/5;border-radius:4px;overflow:hidden;background:#0a141e}
.pcard .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.pcard:hover .ph img{transform:scale(1.045)}
.pcard .ph .count{position:absolute;right:10px;bottom:10px;display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:3px;background:rgba(8,14,22,.72);color:var(--on-dark);font:500 11.5px/1 var(--f-mono);backdrop-filter:blur(6px)}
.pcard .ph .count svg{width:13px;height:13px}
.pcard .ph .sector{position:absolute;left:10px;top:10px;padding:6px 9px;border-radius:3px;background:rgba(184,137,47,.94);color:#1c1406;font:600 11px/1 var(--f-mono);letter-spacing:.1em;text-transform:uppercase}
.pcard .meta{display:grid;gap:4px}
.pcard h3{font-size:19px;font-stretch:106%}
.pcard .meta span{font:500 12px/1.4 var(--f-mono);letter-spacing:.06em;color:var(--ink-2);text-transform:uppercase}
.pcard.hide{display:none}

/* full project list */
.plist{display:grid;gap:12px}
.plist details{border:1px solid var(--line);border-radius:6px;background:var(--panel);overflow:hidden}
.plist summary{list-style:none;display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;font:700 18px/1.2 var(--f-display);font-stretch:108%}
.plist summary::-webkit-details-marker{display:none}
.plist summary em{font:500 12.5px/1 var(--f-mono);font-style:normal;color:var(--steel);margin-left:auto}
.plist summary svg{width:14px;height:14px;transition:transform .3s var(--ease-out)}
.plist details[open] summary svg{transform:rotate(45deg)}
.plist ol{list-style:none;margin:0;padding:0 20px 18px;display:grid;gap:0;columns:1}
@media (min-width:760px){.plist ol{display:block;columns:2;column-gap:40px}}
@media (min-width:1100px){.plist ol{columns:3}}
.plist li{break-inside:avoid;display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.plist li span{font:500 12px/1.6 var(--f-mono);color:var(--ink-2);white-space:nowrap}

/* ---------- lightbox ---------- */
.lb{position:fixed;inset:0;z-index:300;background:rgba(6,11,17,.94);display:grid;grid-template-rows:auto 1fr auto;opacity:0;visibility:hidden;transition:opacity .3s var(--ease-out),visibility 0s .3s}
.lb.open{opacity:1;visibility:visible;transition:opacity .3s var(--ease-out)}
.lb-top{display:flex;align-items:center;gap:14px;padding:14px var(--gut);color:var(--on-dark)}
.lb-top b{font:600 16px/1.3 var(--f-display);font-stretch:106%}
.lb-top span{font:500 12px/1.3 var(--f-mono);color:var(--on-dark-2);letter-spacing:.06em}
.lb-top .x{margin-left:auto}
.lb-btn{width:46px;height:46px;border-radius:50%;border:1px solid rgba(238,241,242,.25);background:rgba(238,241,242,.06);color:var(--on-dark);display:grid;place-items:center;cursor:pointer;transition:background .25s,border-color .25s}
.lb-btn:hover{background:rgba(238,241,242,.14);border-color:rgba(238,241,242,.5)}
.lb-btn svg{width:18px;height:18px}
.lb-stage{position:relative;min-height:0;overflow:hidden}
.lb-stage img{position:absolute;inset:0;margin:auto;width:auto;height:auto;max-width:calc(100% - 2 * var(--gut) - 110px);max-height:100%;object-fit:contain;border-radius:2px;opacity:0;transition:opacity .35s var(--ease-out)}
@media (max-width:640px){.lb-stage img{max-width:calc(100% - 16px)}}
.lb-stage img.on{opacity:1}
.lb-prev,.lb-next{position:absolute;top:50%;margin-top:-23px}
.lb-prev{left:var(--gut)}.lb-next{right:var(--gut)}
.lb-foot{padding:14px var(--gut) 20px;display:flex;justify-content:center;gap:8px;overflow-x:auto}
.lb-foot button{flex:none;width:56px;height:56px;border-radius:3px;overflow:hidden;border:1.5px solid transparent;padding:0;background:#0a141e;cursor:pointer;opacity:.55;transition:opacity .25s,border-color .25s}
.lb-foot button.on{opacity:1;border-color:var(--brass-lt)}
.lb-foot img{width:100%;height:100%;object-fit:cover}
@media (max-width:640px){.lb-prev,.lb-next{top:auto;bottom:8px;margin:0;z-index:2;background:rgba(8,14,22,.6)}}

/* ---------- video placeholder ---------- */
.video-ph{position:relative;aspect-ratio:16/9;border-radius:6px;overflow:hidden;background:var(--dark);color:var(--on-dark);isolation:isolate}
.video-ph>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.38;filter:saturate(.7)}
.video-ph::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(14,28,41,.25),rgba(14,28,41,.85)),radial-gradient(ellipse 50% 60% at 50% 45%,transparent,rgba(14,28,41,.5))}
.video-ph .vp-in{position:absolute;inset:0;z-index:2;display:grid;place-items:center;align-content:center;gap:18px;text-align:center;padding:24px}
.video-ph .play{width:84px;height:84px;border-radius:50%;border:1.5px solid rgba(238,241,242,.55);display:grid;place-items:center;position:relative}
.video-ph .play::after{content:"";position:absolute;inset:-10px;border-radius:50%;border:1px solid rgba(217,174,94,.5);animation:ring 3.6s var(--ease-out) infinite;animation-delay:-1.2s}
@keyframes ring{0%{transform:scale(.9);opacity:.9}100%{transform:scale(1.35);opacity:0}}
.video-ph .play svg{width:26px;height:26px;margin-left:4px;opacity:.7}
.video-ph .soon{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:999px;background:rgba(184,137,47,.95);color:#1c1406;font:600 11.5px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase}
.video-ph h3{font-size:clamp(22px,2.6vw,34px);color:var(--on-dark)}
.video-ph p{max-width:52ch;color:var(--on-dark-2);font-size:15px}
.video-ph video,.video-ph iframe{position:absolute;inset:0;width:100%;height:100%;z-index:3;border:0;background:#000}
.video-meta{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:14px;font:500 12px/1.4 var(--f-mono);letter-spacing:.06em;color:var(--ink-2);text-transform:uppercase}

/* ---------- quote / charter ---------- */
.charter{position:relative;display:grid;gap:26px;max-width:900px}
.charter blockquote{margin:0;font:700 clamp(28px,3.6vw,48px)/1.18 var(--f-display);font-stretch:108%;letter-spacing:-.01em}
.charter blockquote em{font-style:normal;color:var(--brass-lt)}
.charter p{color:var(--on-dark-2);max-width:62ch}

/* ---------- product cards ---------- */
.prod{display:grid;gap:clamp(22px,3vw,40px);align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:clamp(22px,3vw,40px)}
@media (min-width:860px){.prod{grid-template-columns:260px 1fr}}
.prod figure{margin:0;border-radius:4px;display:block;padding:18px;aspect-ratio:1}
.prod figure img{width:100%;height:100%;object-fit:contain}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;border:1px solid var(--line-strong);font-size:13px;font-weight:500;color:var(--ink)}
.pill.gold{border-color:var(--brass);background:rgba(184,137,47,.1)}
.kv{display:grid;border-top:1px solid var(--line);margin-top:6px}
.kv div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv div span:first-child{color:var(--ink-2)}
.kv div span:last-child{font-weight:600;font-variant-numeric:tabular-nums}
.fine{font-size:12.5px;color:var(--ink-2)}
.partner{display:grid;gap:18px;padding:clamp(26px,3.4vw,48px);border-radius:6px;background:var(--dark);color:var(--on-dark)}
.partner blockquote{margin:0;font:600 clamp(20px,2vw,26px)/1.4 var(--f-display);font-stretch:104%}
.partner p{color:var(--on-dark-2)}
.cuali-card{display:grid;gap:14px;align-content:start}
.cuali-card figure{margin:0;border-radius:4px;display:block;height:220px;padding:14px}
.cuali-card figure img{width:100%;height:100%;object-fit:contain}

/* ---------- FAQ ---------- */
.faq{display:grid;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;align-items:flex-start;gap:18px;padding:22px 0;cursor:pointer;font:600 18px/1.4 var(--f-display);font-stretch:104%}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{flex:none;margin-left:auto;margin-top:4px;width:16px;height:16px;position:relative}
.faq summary i::before,.faq summary i::after{content:"";position:absolute;left:0;top:7px;width:16px;height:1.5px;background:var(--brass);transition:transform .3s var(--ease-out)}
.faq summary i::after{transform:rotate(90deg)}
.faq details[open] summary i::after{transform:rotate(0)}
.faq .a{padding:0 40px 24px 0;color:var(--ink-2);max-width:72ch}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden}
.cta-band .wrap{position:relative;display:grid;gap:28px;justify-items:start}
.cta-band .h2{max-width:20ch}
.cta-band .grid-lines{position:absolute;inset:0;pointer-events:none;opacity:.5}
.cta-band .grid-lines path{stroke:rgba(217,174,94,.35);stroke-width:1;fill:none;stroke-dasharray:var(--len,1400);stroke-dashoffset:0;transition:stroke-dashoffset 2.4s var(--ease-out)}
.js .cta-band .grid-lines path{stroke-dashoffset:var(--len,1400)}
.js .cta-band.in .grid-lines path{stroke-dashoffset:0}
.cta-band .grid-lines path:nth-child(2){transition-delay:.2s}.cta-band .grid-lines path:nth-child(3){transition-delay:.4s}.cta-band .grid-lines path:nth-child(4){transition-delay:.6s}

/* ---------- reviews ---------- */
.rev-empty{position:relative;display:grid;gap:22px;justify-items:center;text-align:center;padding:clamp(40px,6vw,72px) clamp(20px,4vw,56px);border:1.5px dashed var(--line-strong);border-radius:8px;background:rgba(250,250,248,.75);overflow:hidden}
.rev-empty .ghosts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;width:min(100%,640px)}
.rev-empty .ghost{height:92px;border-radius:6px;border:1px solid var(--line);background:linear-gradient(90deg,rgba(214,218,217,.35),rgba(214,218,217,.7),rgba(214,218,217,.35));background-size:200% 100%;animation:shimmer 3.2s linear infinite;animation-delay:-1s}
.rev-empty .ghost:nth-child(2){animation-delay:-2s}.rev-empty .ghost:nth-child(3){animation-delay:-2.8s}
@keyframes shimmer{to{background-position:-200% 0}}
.rev-empty .stars-row{display:flex;gap:6px;color:var(--brass)}
.rev-empty .stars-row svg{width:24px;height:24px}
.rev-list{display:grid;gap:18px}
@media (min-width:760px){.rev-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1100px){.rev-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
.rev{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:26px;display:grid;gap:14px;align-content:start}
.rev .stars{display:flex;gap:3px;color:var(--brass)}
.rev .stars svg{width:17px;height:17px}
.rev blockquote{margin:0;font-size:16px;color:var(--ink)}
.rev footer{display:grid;gap:2px;font-size:14px;color:var(--ink-2)}
.rev footer b{color:var(--ink)}
.rate{position:relative;display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:4px}
.rate input{position:absolute;left:0;top:0;opacity:0;width:1px;height:1px}
.field .rate label{cursor:pointer;color:var(--line-strong);transition:color .2s,transform .2s}
.rate label svg{width:30px;height:30px}
.field .rate input:checked~label,.field .rate label:hover,.field .rate label:hover~label{color:var(--brass)}
.rate input:focus-visible+label{outline:2px solid var(--brass);outline-offset:2px;border-radius:3px}

/* ---------- forms ---------- */
.form{display:grid;gap:18px}
.form .row{display:grid;gap:18px}
@media (min-width:640px){.form .row{grid-template-columns:1fr 1fr}}
.field{display:grid;gap:8px}
.field label,.field .lab{font-size:14px;font-weight:600;color:var(--ink)}
.field label small{font-weight:400;color:var(--ink-2)}
.field input,.field select,.field textarea{width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel);color:var(--ink);font:400 16px/1.4 var(--f-body);transition:border-color .25s,box-shadow .25s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(184,137,47,.3)}
.field .err{display:none;font-size:13px;color:#A3341F}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:#A3341F}
.field.invalid .err{display:block}
.check{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--ink-2)}
.check input{width:20px;height:20px;margin-top:2px;accent-color:var(--ink);flex:none}
.segs{position:relative;display:flex;flex-wrap:wrap;gap:8px}
.segs input{position:absolute;left:0;top:0;opacity:0;width:1px;height:1px}
.segs label{display:inline-flex;align-items:center;height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line-strong);background:var(--panel);font-size:14px;font-weight:500;cursor:pointer;transition:all .25s}
.segs input:checked+label{background:var(--ink);border-color:var(--ink);color:#fff}
.segs input:focus-visible+label{outline:2px solid var(--brass);outline-offset:2px}
.form-note{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-2)}
.form-note svg{width:18px;height:18px;flex:none;margin-top:1px;color:var(--steel)}
.form-ok{display:none;padding:18px 20px;border-radius:6px;background:rgba(18,140,75,.08);border:1px solid rgba(18,140,75,.35);color:var(--ink);font-size:15px}
.form-ok.show{display:block}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:clamp(22px,3vw,40px)}

/* contact */
.clist{display:grid;gap:0;border-top:1px solid var(--line)}
.clist a,.clist div{display:grid;grid-template-columns:40px 1fr;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.clist .ic{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:var(--canvas-2);color:var(--steel)}
.clist .ic svg{width:18px;height:18px}
.clist b{display:block;font-weight:600}
.clist small{display:block;color:var(--ink-2);font-size:13px}
.clist a:hover b{color:var(--steel)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--on-dark-2);padding:clamp(56px,7vw,88px) 0 28px;position:relative;overflow:hidden}
.site-footer .top{display:grid;gap:40px}
@media (min-width:900px){.site-footer .top{grid-template-columns:1.4fr .8fr .8fr 1.1fr}}
.site-footer .logo-tile{width:165px;height:76px}
.site-footer .logo-tile img{width:176px;left:-5.4px;top:-11.4px}
.site-footer .co{margin-top:18px;font:600 15px/1.45 var(--f-body);color:var(--on-dark)}
.site-footer p{font-size:14px;max-width:40ch;margin-top:10px}
.site-footer h4{font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--brass-lt);margin-bottom:18px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:14.5px}
.site-footer ul a{transition:color .25s}
.site-footer ul a:hover{color:var(--on-dark)}
.site-footer .bottom{margin-top:56px;padding-top:22px;border-top:1px solid rgba(238,241,242,.12);display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px}
.site-footer .lang{background:transparent;border-color:rgba(238,241,242,.3);width:max-content;margin-top:20px}
.site-footer .lang button{color:var(--on-dark-2)}
.site-footer .lang button[aria-pressed="true"]{background:var(--on-dark);color:var(--dark)}

/* WhatsApp float */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:90;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px -10px rgba(0,0,0,.45);transition:transform .35s var(--ease-out),opacity .35s;opacity:0;transform:translateY(12px) scale(.9);pointer-events:none}
.wa-float.show{opacity:1;transform:none;pointer-events:auto}
.wa-float.show.tuck{opacity:0;transform:translateY(12px) scale(.9);pointer-events:none}
.wa-float:hover{transform:translateY(-3px)}
.wa-float svg{width:28px;height:28px}
.wa-float::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(18,140,75,.45);animation:ring 4s var(--ease-out) infinite;animation-delay:-2s}

/* toast */
.toast{position:fixed;left:50%;bottom:24px;z-index:400;transform:translate(-50%,20px);opacity:0;padding:12px 18px;border-radius:6px;background:var(--ink);color:#fff;font-size:14px;box-shadow:0 16px 40px -16px rgba(0,0,0,.5);transition:opacity .3s,transform .35s var(--ease-out);max-width:calc(100% - 32px)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* legal */
.legal{max-width:760px}
.legal h2{font-size:22px;margin:36px 0 10px}
.legal p{color:var(--ink-2)}

/* touch targets */
@media (pointer:coarse){.btn,.tabs button,.subnav a{min-height:44px}.link{min-height:44px}}

/* ---------- reduced motion: honored completely ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important;scroll-behavior:auto!important}
  body{opacity:1}
  .rv,.rv-img img{opacity:1!important;transform:none!important}
  .joint::before{transform:scaleX(1)!important}.joint::after{opacity:1!important;transform:none!important}
  .steps{--draw:1}
  .cta-band .grid-lines path{stroke-dashoffset:0!important}
  .env{animation:none}
  .collage figure:last-child{transform:translateY(-12%)}
}

/* keep the floating WhatsApp button clear of the footer's last line on small screens */
@media (max-width:900px){.site-footer .bottom{padding-bottom:70px}}


/* grouting process */
.nine{list-style:none;counter-reset:n;display:grid;gap:10px;margin:0;padding:0;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.nine li{counter-increment:n;display:flex;gap:14px;align-items:center;padding:16px 18px;background:var(--panel);border:1px solid var(--line);border-radius:6px;font-weight:600}
.nine li::before{content:counter(n,decimal-leading-zero);font:500 12.5px/1 var(--f-mono);color:var(--brass);flex:none}