/* =========================================================
   SERZ — Design System
   Ink #12242E | Base #F7F9FA | Primary #0E6E77 | Accent #FF6B35
   Headline: Barlow Semi Condensed | Body: Inter
   ========================================================= */

:root{
  --ink: #12242E;
  --base: #F7F9FA;
  --panel: #FFFFFF;
  --primary: #0E6E77;
  --primary-dark: #0A555C;
  --primary-light: #E4F1F2;
  --accent: #FF6B35;
  --accent-dark: #E2551F;
  --line: #DCE4E6;
  --muted: #5B6B73;
  --rust: #B24A2E;
  --rust-light: #FBEAE4;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(18,36,46,0.08);
  --shadow-lg: 0 18px 48px rgba(18,36,46,0.14);
}

*{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--ink);
  background:var(--base);
  line-height:1.6;
  font-size:16px;
  overflow-x:hidden;
}

h1,h2,h3,h4,h5,h6,.font-head{
  font-family:'Barlow Semi Condensed',sans-serif;
  font-weight:700;
  letter-spacing:0.2px;
  color:var(--ink);
  line-height:1.12;
}

h1{font-size:clamp(2.2rem, 4.2vw, 3.6rem);}
h2{font-size:clamp(1.7rem, 3vw, 2.5rem);}
h3{font-size:clamp(1.25rem, 2vw, 1.6rem);}

p{color:var(--muted);}
a{text-decoration:none;color:var(--primary);}
img{max-width:100%;height:auto;display:block;}

.container-xl{max-width:1220px;}

section{padding:88px 0;}
.section-tight{padding:56px 0;}

.eyebrow-line{
  display:flex;align-items:center;gap:10px;
  color:var(--primary);font-weight:600;font-size:0.95rem;margin-bottom:10px;
}
.eyebrow-line::before{content:"";width:26px;height:2px;background:var(--accent);display:inline-block;}

.lede{max-width:640px;font-size:1.08rem;}

/* ---------- Buttons ---------- */
.btn{
  font-family:'Inter',sans-serif;
  font-weight:600;
  border-radius:8px;
  padding:0.75rem 1.6rem;
  border:2px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
}
.btn:active{transform:translateY(1px);}

.btn-book{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,107,53,0.35);
}
.btn-book:hover{background:var(--accent-dark);color:#fff;box-shadow:0 10px 26px rgba(255,107,53,0.45);}

.btn-call{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-call:hover{background:var(--ink);color:#fff;}

.btn-outline-primary-serz{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline-primary-serz:hover{background:var(--primary);color:#fff;}

.btn-solid-primary{
  background:var(--primary);
  color:#fff;
}
.btn-solid-primary:hover{background:var(--primary-dark);color:#fff;}

.btn-sm-pill{border-radius:999px;padding:0.5rem 1.1rem;font-size:0.92rem;}

/* Sticky mobile action bar */
.mobile-cta-bar{
  position:fixed;bottom:0;left:0;right:0;z-index:1040;
  display:none;
  background:var(--panel);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(18,36,46,0.12);
  padding:10px 14px;
  gap:10px;
}
.mobile-cta-bar a{flex:1;text-align:center;}
@media (max-width: 767.98px){
  .mobile-cta-bar{display:flex;}
  body{padding-bottom:72px;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(247,249,250,0.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
}
.brand-mark{display:flex;align-items:center;gap:10px;}
.brand-mark img{height:38px;width:auto;}
.brand-mark .brand-word{
  font-family:'Barlow Semi Condensed',sans-serif;
  font-weight:800;font-size:1.6rem;letter-spacing:0.5px;color:var(--ink);
}
.brand-mark .brand-word span{color:var(--primary);}

.navbar-nav .nav-link{
  font-weight:600;color:var(--ink);padding:0.5rem 0.9rem;position:relative;
}
.navbar-nav .nav-link:hover,.navbar-nav .nav-link.active{color:var(--primary);}
.navbar-nav .nav-link.active::after{
  content:"";position:absolute;left:0.9rem;right:0.9rem;bottom:0.15rem;height:2px;background:var(--accent);
}
.dropdown-menu{border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-lg);}
.dropdown-item:hover{background:var(--primary-light);color:var(--primary);}

.header-phone{
  display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);white-space:nowrap;
}
.header-phone i{color:var(--accent);font-size:1.2rem;}

/* ---------- Hero (diagonal seam) ---------- */
.hero{
  position:relative;
  background:var(--panel);
  padding:72px 0 120px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:90px;
  background:var(--base);
  clip-path:polygon(0 100%, 100% 40%, 100% 100%);
}
.hero .hero-copy{position:relative;z-index:2;}
.hero-graphic{position:relative;z-index:1;}
.hero-graphic svg{width:100%;height:auto;}
.hero-photo{
  border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:4/3;
}
.hero-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.hero-badge{
  position:absolute;background:var(--panel);border:1px solid var(--line);
  border-radius:12px;padding:10px 14px;box-shadow:var(--shadow);
  font-size:0.85rem;font-weight:700;display:flex;align-items:center;gap:8px;
}
.hero-badge i{color:var(--accent);font-size:1.1rem;}

/* Photo frame used for standalone photos (about, booking, service detail) */
.photo-frame{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);}
.photo-frame img{width:100%;height:100%;object-fit:cover;display:block;}

.page-banner{
  background:var(--ink);
  color:#fff;
  padding:64px 0 84px;
  position:relative;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:56px;background:var(--base);
  clip-path:polygon(0 100%, 100% 30%, 100% 100%);
}
.page-banner h1{color:#fff;}
.page-banner p{color:#C9D6D9;}
.breadcrumb-serz a{color:#C9D6D9;}
.breadcrumb-serz .current{color:#fff;font-weight:700;}

/* ---------- Cards: left accent bar (not uniform SaaS cards) ---------- */
.accent-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-left:5px solid var(--primary);
  border-radius:10px;
  padding:28px 26px;
  height:100%;
  transition:box-shadow .2s ease, transform .2s ease;
}
.accent-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.accent-card.rust{border-left-color:var(--rust);}
.accent-card .card-icon{
  width:52px;height:52px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);font-size:1.5rem;margin-bottom:16px;
}
.accent-card.rust .card-icon{background:var(--rust-light);color:var(--rust);}
.accent-card ul{padding-left:1.1rem;margin-bottom:1.2rem;color:var(--muted);}
.accent-card ul li{margin-bottom:4px;}

/* Service category hero card (Washing / AC) */
.category-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow);
  transition:box-shadow .2s ease, transform .2s ease;
}
.category-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.category-card .cat-media{
  height:230px;overflow:hidden;position:relative;
}
.category-card .cat-media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(18,36,46,0) 55%, rgba(18,36,46,0.28) 100%);
}
.category-card .cat-media img{
  width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s ease;
}
.category-card:hover .cat-media img{transform:scale(1.06);}
.category-card .cat-body{padding:28px;flex:1;display:flex;flex-direction:column;}
.category-card ul.check-list{list-style:none;padding:0;margin:0 0 20px;}
.category-card ul.check-list li{
  padding-left:1.6rem;position:relative;margin-bottom:8px;color:var(--ink);font-weight:500;
}
.category-card ul.check-list li::before{
  content:"\F633";font-family:"bootstrap-icons";position:absolute;left:0;color:var(--primary);font-weight:700;
}
.category-card.rust ul.check-list li::before{color:var(--rust);}

/* Feature icon row */
.feature-item{display:flex;gap:16px;align-items:flex-start;padding:6px 0;}
.feature-item .fi-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.15rem;
}
.feature-item h4{font-size:1.1rem;margin-bottom:4px;}
.feature-item p{margin-bottom:0;font-size:0.94rem;}

/* Steps (legitimate sequence) */
.step-row{display:flex;gap:20px;position:relative;}
.step-num{
  flex:0 0 auto;width:52px;height:52px;border-radius:50%;
  background:var(--ink);color:#fff;font-family:'Barlow Semi Condensed',sans-serif;font-weight:800;font-size:1.3rem;
  display:flex;align-items:center;justify-content:center;position:relative;z-index:2;
}
.step-col{border-left:2px dashed var(--line);padding-left:0;margin-left:26px;}
.step-item{position:relative;padding:0 0 40px 46px;}
.step-item:last-child{padding-bottom:0;}
.step-item .step-num{position:absolute;left:-26px;top:0;}
.step-item h4{margin-bottom:6px;}
.step-item p{margin-bottom:0;}

/* Pricing / featured service card */
.service-tile{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow .2s ease, transform .2s ease;
}
.service-tile:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);}
.service-tile .st-icon{
  height:120px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:2.6rem;
}
.service-tile.rust .st-icon{background:var(--rust-light);color:var(--rust);}
.service-tile .st-body{padding:22px;flex:1;display:flex;flex-direction:column;}
.service-tile .st-price{font-weight:800;color:var(--ink);font-family:'Barlow Semi Condensed',sans-serif;font-size:1.3rem;}
.service-tile .st-price span{font-size:0.85rem;color:var(--muted);font-weight:500;font-family:'Inter',sans-serif;}

/* Testimonials */
.testimonial-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;height:100%;
}
.testimonial-card .stars{color:var(--accent);margin-bottom:10px;letter-spacing:2px;}
.testimonial-card .t-name{font-weight:700;color:var(--ink);margin-bottom:0;}
.testimonial-card .t-loc{font-size:0.85rem;color:var(--muted);}

/* CTA banner */
.cta-banner{
  background:var(--ink);color:#fff;border-radius:var(--radius);
  padding:52px 40px;position:relative;overflow:hidden;
}
.cta-banner h2{color:#fff;}
.cta-banner p{color:#C9D6D9;}
.cta-banner::before{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle, rgba(255,107,53,0.25), transparent 70%);
}

/* Stats */
.stat-card{
  text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 16px;
}
.stat-card .stat-num{
  font-family:'Barlow Semi Condensed',sans-serif;font-weight:800;font-size:2.6rem;color:var(--primary);line-height:1;
}
.stat-card .stat-label{color:var(--muted);font-weight:600;margin-top:6px;}

/* Problem chips */
.problem-chip{
  display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);
  border-radius:10px;padding:16px 18px;height:100%;font-weight:600;color:var(--ink);
}
.problem-chip i{color:var(--accent);font-size:1.3rem;}

/* Forms */
.form-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:36px;box-shadow:var(--shadow);
}
.form-label{font-weight:600;color:var(--ink);}
.form-control,.form-select{
  border-radius:8px;border:1px solid var(--line);padding:0.65rem 0.85rem;
}
.form-control:focus,.form-select:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,110,119,0.15);
}
.invalid-feedback{font-size:0.85rem;}
.was-validated .form-control:invalid, .form-control.is-invalid{border-color:var(--rust);}

/* Footer */
.site-footer{background:var(--ink);color:#C9D6D9;padding:60px 0 24px;}
.site-footer h5{color:#fff;font-family:'Barlow Semi Condensed',sans-serif;font-weight:700;margin-bottom:18px;}
.site-footer a{color:#C9D6D9;}
.site-footer a:hover{color:var(--accent);}
.site-footer ul{list-style:none;padding:0;}
.site-footer ul li{margin-bottom:9px;}
.footer-brand .brand-word{color:#fff;font-size:1.5rem;}
.footer-brand .brand-word span{color:var(--accent);}
.social-icons{display:flex;gap:10px;margin-top:16px;}
.social-icons a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,0.25);
  display:flex;align-items:center;justify-content:center;
}
.social-icons a:hover{background:var(--accent);border-color:var(--accent);color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.12);margin-top:36px;padding-top:20px;font-size:0.88rem;color:#93A5AA;}

/* Accordion (FAQ) */
.accordion-item{border:1px solid var(--line);border-radius:10px !important;margin-bottom:12px;overflow:hidden;}
.accordion-button{font-weight:700;color:var(--ink);font-family:'Barlow Semi Condensed',sans-serif;font-size:1.05rem;}
.accordion-button:not(.collapsed){background:var(--primary-light);color:var(--primary-dark);box-shadow:none;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(14,110,119,0.15);}

/* Service detail page */
.detail-hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.detail-hero-img img{width:100%;height:360px;object-fit:cover;display:block;transition:transform .5s ease;}
.detail-hero-img:hover img{transform:scale(1.04);}
.include-list{list-style:none;padding:0;}
.include-list li{padding:8px 0;border-bottom:1px dashed var(--line);display:flex;gap:10px;align-items:flex-start;}
.include-list li:last-child{border-bottom:none;}
.include-list i{color:var(--primary);margin-top:3px;}
.detail-fact{
  display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);
}
.detail-fact:last-child{border-bottom:none;}
.detail-fact .label{color:var(--muted);}
.detail-fact .val{font-weight:700;color:var(--ink);}

/* Success alert */
.success-alert{
  border-left:5px solid var(--primary);background:var(--primary-light);border-radius:10px;
  padding:18px 20px;display:none;
}

/* Utility */
.text-accent{color:var(--accent);}
.text-primary-serz{color:var(--primary);}
.bg-panel{background:var(--panel);}
.divider-line{height:1px;background:var(--line);border:none;margin:0;}

@media (max-width: 991.98px){
  .hero{padding-bottom:96px;}
  section{padding:64px 0;}
}

/* =========================================================
   Motion
   One orchestrated entrance on the hero, a single reveal
   pattern for scrolled content, restrained hover response.
   Everything respects prefers-reduced-motion.
   ========================================================= */
@media (prefers-reduced-motion: no-preference){

  /* Hero entrance: copy cascades in, photo settles in behind it */
  .hero-copy > *{opacity:0;animation:heroRise .7s cubic-bezier(.22,.61,.36,1) forwards;}
  .hero-copy > *:nth-child(1){animation-delay:.02s;}
  .hero-copy > *:nth-child(2){animation-delay:.12s;}
  .hero-copy > *:nth-child(3){animation-delay:.22s;}
  .hero-copy > *:nth-child(4){animation-delay:.34s;}
  .hero-copy > *:nth-child(5){animation-delay:.46s;}
  .hero-copy > *:nth-child(6){animation-delay:.56s;}
  @keyframes heroRise{
    from{opacity:0;transform:translateY(16px);}
    to{opacity:1;transform:translateY(0);}
  }
  .hero-photo,.hero-graphic > img{
    opacity:0;transform:translateY(10px) scale(.98);
    animation:heroRise .8s cubic-bezier(.22,.61,.36,1) .18s forwards;
  }

  /* Floating hero badges — one deliberate ambient loop */
  .hero-badge{animation:badgeFloat 4.5s ease-in-out infinite;}
  .hero-badge:nth-of-type(2){animation-delay:1.4s;}
  @keyframes badgeFloat{
    0%,100%{transform:translateY(0);}
    50%{transform:translateY(-8px);}
  }

  /* Scroll reveal for cards, tiles and list items */
  .reveal{
    opacity:0;transform:translateY(22px);
    transition:opacity .55s ease, transform .55s ease;
  }
  .reveal.in-view{opacity:1;transform:translateY(0);}

  /* The single spot allowed a pulse: the hero's primary booking CTA */
  .btn-hero-pulse{position:relative;}
  .btn-hero-pulse::after{
    content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
    animation:ctaPulse 2.8s ease-out infinite;
  }
  @keyframes ctaPulse{
    0%{box-shadow:0 0 0 0 rgba(255,107,53,.45);}
    70%{box-shadow:0 0 0 16px rgba(255,107,53,0);}
    100%{box-shadow:0 0 0 0 rgba(255,107,53,0);}
  }

  .page-banner h1,.page-banner p,.page-banner nav{
    opacity:0;animation:heroRise .6s ease forwards;
  }
  .page-banner p{animation-delay:.1s;}
}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;}
}