/* ==========================================================================
   Zenith Cleaning Solutions — design system
   Palette:  Ink Navy #0B1E33 · Signal Teal #12A9B8 · Chalk Paper #F5F3EE
   Display:  Space Grotesk   Body: Inter   Labels/Spec: JetBrains Mono
   Signature: the checklist — ticks, spec-tags and a drag-to-reveal proof slider
   ========================================================================== */

:root{
  --navy:#0B1E33;
  --navy-soft:#16304F;
  --navy-deep:#081525;
  --teal:#12A9B8;
  --teal-light:#6FE0D6;
  --teal-tint:#E6F6F5;
  --coral:#E2572B;
  --white:#FFFFFF;
  --paper:#F5F3EE;
  --paper-dim:#EDEAE1;
  --ink:#16232F;
  --stone:#5C6670;
  --line:#DFDBD0;
  --line-dark:rgba(255,255,255,.14);

  --font-display:'Space Grotesk', 'Inter', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', 'Menlo', monospace;

  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --shadow-card:0 20px 44px -22px rgba(11,30,51,.22);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
@media (min-width:920px){ body{ padding-bottom:0; } }

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
button{font-family:inherit;}
::selection{background:var(--teal); color:var(--white);}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important;}
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
}

.wrap{max-width:1200px; margin:0 auto; padding:0 24px;}
@media (min-width:768px){ .wrap{padding:0 40px;} }

/* ---------- Type ---------- */
h1,h2,h3,h4{margin:0; font-family:var(--font-display); font-weight:600; letter-spacing:-.01em; color:var(--navy); line-height:1.15;}
p{margin:0; color:var(--stone); line-height:1.7;}

.eyebrow{
  display:inline-flex; align-items:center; gap:9px;
  font-family:var(--font-mono);
  font-size:.72rem; font-weight:500; letter-spacing:.08em;
  text-transform:uppercase; color:var(--teal);
}
.eyebrow::before{
  content:'';
  width:16px; height:1.5px; background:var(--teal);
  display:inline-block;
}
.center .eyebrow{ justify-content:center; }
.center .eyebrow::before{ display:none; }

.section{padding:96px 0;}
.section-tight{padding:64px 0;}
@media (max-width:640px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
}
.section-alt{background:var(--paper);}
.section-dark{background:var(--navy); color:rgba(255,255,255,.8);}
.section-dark h2, .section-dark h3{color:var(--white);}

.section-head{max-width:640px;}
.section-head h2{font-size:2rem; margin-top:12px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

/* ---------- Utility ---------- */
.center{text-align:center;}
.mx-auto{margin-left:auto; margin-right:auto;}
.mt-8{margin-top:8px;} .mt-12{margin-top:12px;} .mt-16{margin-top:16px;}
.mt-24{margin-top:24px;} .mt-32{margin-top:32px;} .mt-48{margin-top:48px;} .mt-64{margin-top:64px;}
.max-560{max-width:560px;} .max-680{max-width:680px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-weight:600; font-size:.92rem; letter-spacing:.01em;
  padding:14px 26px; border-radius:999px;
  border:1.5px solid transparent; cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{ background:var(--teal); color:var(--navy-deep); }
.btn-primary:hover{ background:var(--teal-light); transform:translateY(-2px); box-shadow:0 14px 28px -10px rgba(18,169,184,.55); }
.btn-outline{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.4); }
.btn-outline:hover{ border-color:var(--teal-light); color:var(--teal-light); }
.btn-outline-navy{ background:transparent; color:var(--navy); border-color:var(--line); }
.btn-outline-navy:hover{ border-color:var(--teal); color:var(--teal); }
.btn-sm{ padding:10px 20px; font-size:.82rem; }
.btn-block{ width:100%; }

/* ---------- Header / Nav ---------- */
#site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(245,243,238,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{ display:flex; align-items:center; justify-content:space-between; padding:10px 0; gap:20px; }
.brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand img{ height:44px; width:auto; }

.nav-links{ display:none; align-items:center; gap:34px; }
@media (min-width:920px){ .nav-links{ display:flex; } }
.nav-links a{
  font-size:.9rem; font-weight:500; color:var(--ink);
  position:relative; padding:4px 0;
}
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--teal); transition:width .25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{ width:100%; }
.nav-links a.active{ color:var(--teal); }

.nav-cta{ display:none; }
@media (min-width:920px){ .nav-cta{ display:flex; align-items:center; gap:18px; } }
.nav-phone{ font-family:var(--font-mono); font-size:.82rem; font-weight:500; color:var(--navy); }
.nav-phone a:hover{ color:var(--teal); }

.menu-toggle{
  display:flex; flex-direction:column; gap:5px; width:32px; height:32px;
  align-items:flex-end; justify-content:center; background:none; border:none; cursor:pointer; padding:0;
}
@media (min-width:920px){ .menu-toggle{ display:none; } }
.menu-toggle span{ width:26px; height:2px; background:var(--navy); transition:transform .3s ease, opacity .3s ease; }

#mobile-nav{
  max-height:0; overflow:hidden; opacity:0;
  transition:max-height .35s ease, opacity .3s ease;
  background:var(--paper); border-top:1px solid var(--line);
}
@media (min-width:920px){ #mobile-nav{ display:none; } }
#mobile-nav .wrap{ display:flex; flex-direction:column; padding-top:8px; padding-bottom:16px; }
#mobile-nav a{ padding:14px 0; font-weight:500; font-size:.95rem; border-bottom:1px solid var(--line); }
#mobile-nav .btn{ margin-top:16px; }

#sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:70;
  background:var(--navy);
  padding:12px 20px; display:flex; align-items:center; justify-content:center;
  box-shadow:0 -8px 24px rgba(11,30,51,.25);
}
@media (min-width:920px){ #sticky-cta{ display:none; } }
#sticky-cta .btn{ width:100%; }

/* ---------- Hero ---------- */
.hero{
  position:relative; overflow:hidden;
  background:var(--navy); color:var(--white);
  padding:88px 0 100px;
}
.hero-grid{
  position:absolute; top:0; right:0; bottom:0; left:0; opacity:.5; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:linear-gradient(160deg, black, transparent 70%);
}
.hero-inner{ position:relative; z-index:2; max-width:640px; }
.hero .eyebrow{ color:var(--teal-light); }
.hero .eyebrow::before{ background:var(--teal-light); }
.hero h1{ color:var(--white); font-size:2.3rem; margin-top:16px; }
@media (min-width:640px){ .hero h1{ font-size:3.3rem; } }
.hero p.lead{ color:rgba(255,255,255,.72); font-size:1.08rem; margin-top:20px; max-width:520px; }
.hero-ctas{ display:flex; flex-wrap:wrap; gap:14px; margin-top:36px; }
.hero-checklist{ display:flex; flex-wrap:wrap; gap:26px; margin-top:52px; }
.hero-checklist .tick-item{ color:rgba(255,255,255,.75); font-size:.86rem; }

.page-hero{
  background:var(--navy); color:var(--white); padding:64px 0 52px; position:relative; overflow:hidden;
}
.page-hero .eyebrow{ color:var(--teal-light); }
.page-hero .eyebrow::before{ background:var(--teal-light); }
.page-hero h1{ color:var(--white); font-size:2.1rem; margin-top:14px; }
@media (min-width:640px){ .page-hero h1{ font-size:2.7rem; } }
.page-hero p{ color:rgba(255,255,255,.72); margin-top:16px; max-width:560px; font-size:1.02rem; }

/* ---------- Tick / checklist motif ---------- */
.tick{
  display:inline-flex; align-items:center; justify-content:center;
  width:18px; height:18px; border-radius:5px;
  border:1.5px solid var(--teal); flex-shrink:0;
}
.tick svg{ width:11px; height:11px; }
.tick-item{ display:flex; align-items:center; gap:10px; }

/* ---------- Grid / cards ---------- */
.grid{ display:grid; gap:24px; }
.grid-2{ grid-template-columns:1fr; }
.grid-3{ grid-template-columns:1fr; }
.grid-4{ grid-template-columns:1fr; }
@media (min-width:640px){
  .grid-2{ grid-template-columns:1fr 1fr; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .grid-4{ grid-template-columns:1fr 1fr; }
}
@media (min-width:980px){
  .grid-3{ grid-template-columns:repeat(3,1fr); }
  .grid-4{ grid-template-columns:repeat(4,1fr); }
}

.card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius-m);
  padding:30px; transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
  position:relative;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-card); border-color:var(--teal); }
.card .index{
  font-family:var(--font-mono); font-size:.7rem; color:var(--stone); letter-spacing:.06em;
  position:absolute; top:26px; right:28px;
}
.card-icon{
  width:46px; height:46px; border-radius:11px;
  background:var(--navy);
  display:flex; align-items:center; justify-content:center; margin-bottom:22px;
}
.card h3{ font-size:1.1rem; margin-bottom:9px; font-weight:600; }
.card p{ font-size:.92rem; }

/* ---------- Reveal ---------- */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

/* ---------- Before / After proof gallery ---------- */
.proof-card{
  border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line); background:var(--white);
  transition:transform .3s ease, box-shadow .3s ease;
}
.proof-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-card); }
.proof-card img{ width:100%; height:auto; display:block; }
.ba-caption{ padding:14px 16px; font-size:.85rem; font-weight:500; color:var(--navy); }

/* ---------- Testimonials ---------- */
.stars{ display:flex; gap:3px; margin-bottom:14px; }
.stars svg{ width:16px; height:16px; }
.t-card{ background:var(--white); border:1px solid var(--line); border-radius:var(--radius-m); padding:30px; }
.t-quote{ font-size:1rem; color:var(--ink); line-height:1.7; }
.t-name{ margin-top:18px; font-weight:600; color:var(--navy); font-size:.9rem; font-family:var(--font-display); }
.t-loc{ font-size:.8rem; color:var(--stone); }

/* ---------- Trust / checklist rows ---------- */
.trust-item{ display:flex; align-items:flex-start; gap:14px; }
.trust-icon{
  flex:0 0 auto; width:42px; height:42px; border-radius:10px;
  background:var(--teal-tint); display:flex; align-items:center; justify-content:center;
}
.trust-item h4{ font-size:1rem; margin-bottom:4px; font-family:var(--font-display); font-weight:600; }
.trust-item p{ font-size:.87rem; }

/* ---------- Form ---------- */
.field{ display:flex; flex-direction:column; gap:7px; }
.field label{ font-size:.8rem; font-weight:600; color:var(--navy); font-family:var(--font-mono); text-transform:uppercase; letter-spacing:.04em; }
.field input, .field select, .field textarea{
  background:var(--paper); border:1.5px solid var(--line); border-radius:var(--radius-s);
  padding:13px 15px; font-size:.92rem; font-family:var(--font-body); color:var(--ink);
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--teal); background:var(--white);
  box-shadow:0 0 0 3px rgba(18,169,184,.16);
}

/* ---------- Footer ---------- */
#site-footer{ background:var(--navy); color:rgba(255,255,255,.62); }
.footer-logo-badge{ display:inline-flex; background:var(--white); border-radius:var(--radius-m); padding:12px 18px; }
.footer-logo-badge img{ height:34px; width:auto; }
#site-footer a:hover{ color:var(--teal-light); }
.footer-col h5{ color:var(--white); font-family:var(--font-mono); font-size:.76rem; letter-spacing:.1em; text-transform:uppercase; margin-bottom:16px; font-weight:500; }
.footer-col a, .footer-col p{ display:block; font-size:.88rem; margin-bottom:10px; color:rgba(255,255,255,.6); }
.social-row{ display:flex; gap:10px; margin-top:6px; }
.social-btn{
  width:42px; height:42px; border-radius:12px; border:none; padding:0; line-height:0;
  display:flex; align-items:center; justify-content:center;
  background:linear-gradient(135deg, #405DE6 0%, #5851DB 14%, #833AB4 30%, #C13584 45%, #E1306C 58%, #FD1D1D 70%, #F77737 85%, #FCAF45 100%);
  transition:transform .2s ease, box-shadow .2s ease;
}
.social-btn:hover{ transform:translateY(-2px) scale(1.05); box-shadow:0 8px 18px -4px rgba(214,36,159,.5); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.1); padding:22px 0; font-size:.8rem; display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between; }

/* ---------- Areas ---------- */
.area-chip{
  display:flex; align-items:center; gap:10px; padding:15px 18px; border-radius:var(--radius-s);
  background:var(--white); border:1px solid var(--line); font-weight:600; color:var(--navy); font-size:.92rem;
  font-family:var(--font-display);
}
.map-frame{ border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line); }
.map-frame iframe{ width:100%; height:380px; border:0; display:block; }

.spec-panel{
  background:var(--navy); border-radius:var(--radius-l); padding:12px;
}
.spec-row{
  display:flex; justify-content:space-between; align-items:center; gap:16px;
  padding:18px 20px; border-bottom:1px solid var(--line-dark);
  font-family:var(--font-mono); font-size:.85rem; color:rgba(255,255,255,.75);
}
.spec-row:last-child{ border-bottom:none; }
.spec-row strong{ color:var(--white); font-family:var(--font-body); font-weight:600; }

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--navy);
  border-radius:var(--radius-l); padding:52px 40px; color:var(--white);
  display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:28px;
  position:relative; overflow:hidden;
}
.cta-banner h2{ color:var(--white); font-size:1.6rem; max-width:420px; }
.cta-banner p{ color:rgba(255,255,255,.68); margin-top:10px; max-width:420px; }

.mission-block{
  background:var(--navy);
  border-radius:var(--radius-l); padding:56px 40px; color:#fff; text-align:center;
}
.mission-block p{ color:rgba(255,255,255,.75); }
.mission-block h2{ color:#fff; }

.team-avatar{
  width:100%; aspect-ratio:1/1; border-radius:var(--radius-m);
  background:var(--teal-tint);
  display:flex; align-items:center; justify-content:center; border:1px solid var(--line);
}

.pill-row{ display:flex; flex-wrap:wrap; gap:10px; }
.pill{
  font-size:.76rem; font-weight:600; padding:8px 15px; border-radius:99px;
  background:var(--teal-tint); color:var(--navy); border:1px solid rgba(18,169,184,.3);
  font-family:var(--font-mono);
}

.info-row{ display:flex; align-items:flex-start; gap:14px; margin-bottom:22px; }
.contact-info-card{ background:var(--navy); border-radius:var(--radius-l); padding:32px; color:rgba(255,255,255,.85); }
.contact-info-card h4{ color:var(--white); font-size:1rem; margin-bottom:4px; }
.contact-info-card a{ color:rgba(255,255,255,.8); }
.contact-info-card a:hover{ color:var(--teal-light); }
