/* Sica Cleaning — site styles
   Palette: navy #0F2A52 · brand #1A3F7A · sky #4A9BD9 · mist #EAF3FB · line #C9DCEF */
:root{
  --navy:#0F2A52; --brand:#1A3F7A; --brand-2:#2463A8; --sky:#4A9BD9; --sky-soft:#9CCBF0;
  --mist:#EAF3FB; --line:#C9DCEF; --text:#1B2B44; --muted:#4F6280; --white:#fff; --wa:#1F8F4E;
  --display:"Bricolage Grotesque","Noto Sans TC",system-ui,sans-serif;
  --body:"Noto Sans TC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1160px; --radius-sm:6px; --radius:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:90px}
body{margin:0;font-family:var(--body);font-size:1.0625rem;line-height:1.65;color:var(--text);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
h1,h2,h3{font-family:var(--display);color:var(--navy);margin:0 0 .5em;line-height:1.15;letter-spacing:-.01em}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--sky);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:.5rem 1rem;z-index:100;border-radius:var(--radius-sm)}
.skip:focus{left:8px}

/* language switching */
html[data-lang="en"] .zh{display:none!important}
html[data-lang="zh"] .en{display:none!important}
html[data-lang="zh"] body{line-height:1.8}
html[data-lang="zh"] h1,html[data-lang="zh"] h2,html[data-lang="zh"] h3{letter-spacing:.01em;line-height:1.3}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.1rem,4vw,2rem)}

/* type scale */
.h-xl{font-size:clamp(2.3rem,5.2vw,3.6rem);font-weight:800}
.h-lg{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:800}
.h-md{font-size:clamp(1.45rem,2.6vw,1.9rem);font-weight:700}
.h-sm{font-size:1.2rem;font-weight:700}
.lead{font-size:clamp(1.08rem,1.6vw,1.25rem);color:var(--muted);max-width:40em}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.35rem;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:1rem;line-height:1.2;cursor:pointer;font-family:var(--body);transition:background-color .15s,color .15s,border-color .15s}
.btn svg{width:1.15em;height:1.15em;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.btn-solid{background:var(--brand);color:#fff}
.btn-solid:hover{background:var(--navy)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--mist)}
.btn-outline-light{border-color:rgba(255,255,255,.7);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.12)}
.btn-whatsapp{background:var(--wa);color:#fff}
.btn-whatsapp:hover{background:#17733e}
.btn-small{padding:.5rem .95rem;font-size:.95rem}
.btn-wide{width:100%;justify-content:center;padding:.95rem}
.text-link,.text-link-light{font-weight:700;text-decoration-thickness:2px;text-underline-offset:4px}
.text-link-light{color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:1.5rem;min-height:76px}
.brand img{height:50px;width:auto}
.brand{color:var(--brand);font-family:var(--display);font-weight:800;text-decoration:none;flex:none}
.main-nav{margin-left:auto}
.main-nav ul{list-style:none;display:flex;gap:.25rem;margin:0;padding:0}
.main-nav a{display:block;padding:.5rem .75rem;border-radius:var(--radius-sm);text-decoration:none;color:var(--text);font-weight:500}
.main-nav a:hover{color:var(--brand);background:var(--mist)}
.main-nav a[aria-current="page"]{color:var(--brand);font-weight:700;box-shadow:inset 0 -3px 0 var(--sky)}
.header-actions{display:flex;align-items:center;gap:.6rem}
.lang-switch{display:inline-flex;border:2px solid var(--line);border-radius:999px;padding:2px;background:#fff}
.lang-switch button{font:inherit;font-weight:700;font-size:.92rem;background:none;border:0;color:var(--muted);border-radius:999px;padding:.3rem .7rem;cursor:pointer;min-width:2.6rem}
.lang-switch button:hover{color:var(--brand)}
.lang-switch button[aria-pressed="true"]{background:var(--brand);color:#fff}
.menu-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.menu-toggle .bars,.menu-toggle .bars::before,.menu-toggle .bars::after{position:absolute;left:11px;width:22px;height:2px;background:var(--navy);content:"";transition:transform .2s}
.menu-toggle .bars{top:21px}
.menu-toggle .bars::before{left:0;top:-7px}
.menu-toggle .bars::after{left:0;top:7px}
.menu-toggle[aria-expanded="true"] .bars{background:transparent}
.menu-toggle[aria-expanded="true"] .bars::before{transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bars::after{transform:translateY(-7px) rotate(-45deg)}

@media (max-width:960px){
  .menu-toggle{display:block}
  .header-call span{display:none}
  .header-call{padding:.55rem}
  .main-nav{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);display:none;margin:0}
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;padding:.5rem clamp(1.1rem,4vw,2rem) 1rem}
  .main-nav a{padding:.8rem .5rem;font-size:1.1rem}
  .main-nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--sky)}
  .header-actions{margin-left:auto}
}
@media (max-width:400px){.brand img{height:40px}.header-actions{gap:.35rem}}

/* hero slider: each new slide wipes in like a squeegee pass */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.slides{position:relative;min-height:clamp(440px,64vh,580px)}
.slide{position:absolute;inset:0;display:flex;align-items:center;z-index:1;
  clip-path:polygon(0 0,0 0,-22% 100%,-22% 100%)}
.slide.is-leaving{z-index:2;clip-path:polygon(0 0,100% 0,100% 100%,0 100%)}
.slide.is-active{z-index:3;clip-path:polygon(0 0,122% 0,100% 100%,0 100%);transition:clip-path .95s cubic-bezier(.7,0,.25,1)}
.slide-a{background:var(--brand)}
.slide-b{background:var(--brand-2)}
.slide-c{background:var(--navy)}
.slide-inner{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:2rem;width:100%;padding-bottom:4rem}
.slide-title{color:#fff;font-size:clamp(2.4rem,6vw,4.4rem);font-weight:800;line-height:1.02;margin-bottom:.4em;max-width:12em}
html[data-lang="zh"] .slide-title{line-height:1.2}
.slide-copy p{font-size:clamp(1.05rem,1.7vw,1.3rem);color:#DCEBFA;max-width:28em}
.slide-cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.25rem;margin-top:1.5rem}
.slide-art{width:100%;max-width:320px;justify-self:end;fill:none;stroke:var(--sky-soft);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.slider-controls{position:absolute;left:0;right:0;bottom:1.25rem;z-index:5;display:flex;align-items:center;gap:.5rem}
.slider-btn{width:40px;height:40px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;color:#fff;cursor:pointer;display:grid;place-items:center}
.slider-btn:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.slider-btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
.slider-pause .i-play{display:none}
.slider-pause[aria-pressed="true"] .i-play{display:block;fill:currentColor}
.slider-pause[aria-pressed="true"] .i-pause{display:none}
.dots{display:flex;gap:.4rem;padding:0 .4rem}
.dot{width:28px;height:6px;border-radius:3px;border:0;background:rgba(255,255,255,.35);cursor:pointer;padding:0}
.dot[aria-selected="true"]{background:#fff;width:44px}
.hero.single .slider-controls{display:none}
@media (max-width:720px){
  .slide-inner{grid-template-columns:1fr;padding-bottom:5rem}
  .slide-art{display:none}
}
@media (prefers-reduced-motion:reduce){.slide.is-active{transition:none}}

/* sections */
.section{padding:clamp(3.5rem,8vw,6rem) 0}
.section-tint{background:var(--mist)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}
.two-col{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(2rem,6vw,5rem);align-items:start}
@media (max-width:860px){.two-col{grid-template-columns:1fr}}
.intro .btn{margin-top:.5rem}

/* service rows (home) */
.svc-list{list-style:none;margin:0;padding:0;border-top:2px solid var(--navy)}
.svc-row a{display:block;padding:1.4rem 2.5rem 1.3rem .25rem;border-bottom:1px solid var(--line);text-decoration:none;color:inherit;position:relative}
.svc-row a::after{content:"";position:absolute;right:.5rem;top:50%;width:12px;height:12px;border-top:2.5px solid var(--sky);border-right:2.5px solid var(--sky);transform:translateY(-50%) rotate(45deg);transition:right .15s}
.svc-row a:hover::after{right:.2rem}
.svc-row h3{font-size:1.35rem;margin-bottom:.25rem}
.svc-row a:hover h3{color:var(--brand)}
.svc-row p{margin:0;color:var(--muted)}

/* areas */
.area-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.6rem}
.area-list li{background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:.5rem 1.1rem;font-weight:500;color:var(--navy)}
.area-list-small li{padding:.35rem .85rem;font-size:.95rem;background:var(--mist);border-color:transparent}

/* posts */
.post-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,3vw,2rem)}
@media (max-width:860px){.post-list{grid-template-columns:1fr}}
.post-item a{display:flex;flex-direction:column;height:100%;padding:1.25rem 0 0;border-top:4px solid var(--sky);text-decoration:none;color:inherit}
.post-item h3{font-size:1.3rem}
.post-item a:hover h3{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.post-item p{color:var(--muted)}
.post-item .read{margin-top:auto;font-weight:700;color:var(--brand)}
.empty{color:var(--muted)}

/* contact band */
.band-contact{background:var(--brand);color:#fff;padding:clamp(3rem,7vw,4.5rem) 0}
.band-contact h2{color:#fff;font-size:clamp(1.6rem,3vw,2.2rem);max-width:18em}
.band-contact p{color:#DCEBFA;margin:0}
.band-contact-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;align-items:center}
.contact-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:flex-end}
@media (max-width:860px){.band-contact-inner{grid-template-columns:1fr}.contact-actions{justify-content:flex-start}}

/* page heads */
.page-head{background:var(--mist);padding:clamp(3rem,7vw,5rem) 0 clamp(2.5rem,5vw,3.5rem);border-bottom:1px solid var(--line)}
.page-head .lead{margin-bottom:0}
.page-head-tall{padding:clamp(5rem,12vw,8rem) 0}
.page-head-tall .btn{margin-top:1.5rem}
.back{margin-bottom:.75rem}

/* service detail */
.svc-detail{padding:clamp(3rem,7vw,5rem) 0;border-bottom:1px solid var(--line)}
.svc-detail:nth-of-type(even){background:var(--mist)}
.incl{background:#fff;border:1.5px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.75rem}
.check-list{list-style:none;margin:0 0 1rem;padding:0}
.check-list li{position:relative;padding:.45rem 0 .45rem 2rem;border-bottom:1px dashed var(--line)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{content:"";position:absolute;left:.3rem;top:.85em;width:.55rem;height:1rem;border-right:3px solid var(--sky);border-bottom:3px solid var(--sky);transform:translateY(-35%) rotate(45deg)}
.note{font-size:.95rem;color:var(--muted);margin:0}

/* steps (a real sequence) */
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;position:relative;padding:0 0 1.5rem 3.5rem}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:2.4rem;height:2.4rem;border-radius:50%;background:var(--brand);color:#fff;font-family:var(--display);font-weight:800;display:grid;place-items:center}
.steps li:not(:last-child)::after{content:"";position:absolute;left:1.15rem;top:2.6rem;bottom:.2rem;width:2px;background:var(--line)}
.steps h3{font-size:1.2rem;margin:.35rem 0 .25rem}
.steps p{color:var(--muted);margin:0}

/* prose */
.prose{max-width:44rem}
.prose h2{font-size:1.45rem;margin-top:1.8em}
.prose ul{padding-left:1.25rem}
.prose li{margin:.3rem 0}

/* contact page */
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(2rem,6vw,4.5rem);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.quote-form{display:grid;gap:1.1rem}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media (max-width:560px){.field-row{grid-template-columns:1fr}}
.field label{display:block;font-weight:700;margin-bottom:.35rem;color:var(--navy)}
.req{color:var(--brand-2)}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:1rem;color:var(--text);background:#fff;border:1.5px solid #AFC8E2;border-radius:var(--radius-sm);padding:.75rem .85rem}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(74,155,217,.35)}
.field [aria-invalid="true"]{border-color:#B42318}
.hp{display:none}
.form-status{margin:0;font-weight:500;min-height:1.5em}
.form-status.is-error{color:#B42318}
.contact-side{background:var(--mist);border-radius:var(--radius);padding:1.75rem}
.contact-methods{list-style:none;margin:0 0 2rem;padding:0;display:grid;gap:.75rem}
.contact-methods a{display:flex;gap:.85rem;align-items:center;text-decoration:none;color:var(--text);background:#fff;border-radius:var(--radius-sm);padding:.85rem 1rem}
.contact-methods a:hover{box-shadow:inset 0 0 0 2px var(--sky)}
.contact-methods svg{width:26px;height:26px;fill:none;stroke:var(--brand);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.contact-methods strong{display:block;color:var(--navy)}
.contact-methods span{word-break:break-word}

/* footer */
.site-footer{background:var(--navy);color:#C7D8EC;padding:3.5rem 0 1.5rem;font-size:.97rem}
.site-footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.footer-name{font-family:var(--display);font-weight:800;font-size:1.25rem;color:#fff;margin-bottom:.5rem}
.footer-h{font-size:1rem;color:#fff;margin-bottom:.6rem}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
.footer-base{border-top:1px solid rgba(255,255,255,.15);margin-top:2.5rem;padding-top:1.25rem}
.footer-base p{margin:0;font-size:.9rem}