/*
  ========================================================================
  Shared styles — Crawford Painting LLC
  ------------------------------------------------------------------------
  Design token system, responsive layout, navigation, and base components.
  All pages link this file, then add page-specific overrides in <style>.
*/

/* Design tokens */
:root{
  --blue:#2563EB;
  --blue-dark:#1D4ED8;
  --blue-light:#DBEAFE;
  --red:#DC2626;
  --red-dark:#B91C1C;
  --yellow:#EAB308;
  --yellow-light:#FEF9C3;
  --primary:var(--blue);
  --accent:var(--red);
  --white:#FFFFFF;
  --light:#F8F9FA;
  --ink:#1A1A2E;
  --muted:#6B7280;
  --border:#E5E7EB;

  /* Polish tokens */
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(0,0,0,0.06);
  --shadow-md:0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg:0 16px 40px rgba(0,0,0,0.12);
  --ease-out:cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset */
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--white);
  color:var(--ink);
  line-height:1.6;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
img{max-width:100%;height:auto;display:block;}
a{text-decoration:none;color:var(--primary);}
a:hover{color:var(--blue-dark);}
*:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* Typography */
h1,h2,h3,h4,.logo{
  font-family:"Montserrat",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--ink);
  margin:0 0 .5rem;
  line-height:1.2;
}
h1{font-size:clamp(2rem,4.5vw,3.25rem);font-weight:800;}
h2{font-size:clamp(1.5rem,3.4vw,2.25rem);font-weight:800;}
h3{font-size:clamp(1.15rem,2.5vw,1.5rem);font-weight:700;}
h4{font-size:clamp(1rem,2vw,1.2rem);font-weight:700;}
p{margin:0 0 1rem;}
p.lead{font-size:clamp(1.05rem,2.2vw,1.2rem);color:var(--muted);}
p.tldr{
  color:var(--muted);
  font-size:0.92rem;
  font-style:italic;
  margin:0.25rem 0 1rem;
}

/* Layout */
.container{
  width:min(1100px,92%);
  margin-left:auto;
  margin-right:auto;
}
.container-wide{
  width:min(1280px,94%);
  margin-left:auto;
  margin-right:auto;
}
main{flex:1;}

/* Header / Navigation */
header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,0.97);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid var(--border);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0.5rem 0;
  position:relative;
}
.logo{
  display:flex;
  align-items:center;
  gap:0.65rem;
  font-weight:800;
  color:var(--primary);
  text-decoration:none;
}
.logo-icon{
  height:44px;
  width:auto;
  flex-shrink:0;
  filter:drop-shadow(0 1px 3px rgba(0,0,0,0.1));
}
.logo-text{
  font-size:1.1rem;
  line-height:1.2;
}
.logo small{
  display:block;
  font-weight:600;
  color:var(--muted);
  font-size:0.75rem;
  margin-top:0.1rem;
}

/* Nav links — animated underline on hover */
.nav-links{
  display:flex;
  align-items:center;
  gap:1.25rem;
}
.nav-links a{
  color:var(--ink);
  font-weight:700;
  font-size:0.95rem;
  position:relative;
  transition:color 0.2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  bottom:-3px;
  left:50%;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:1px;
  transition:width 0.3s var(--ease-out), left 0.3s var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after{
  width:100%;
  left:0;
}
.nav-links a:hover,
.nav-links a[aria-current="page"]{
  color:var(--primary);
}

/* Hamburger button */
.burger{
  display:none;
  flex-direction:column;
  gap:0.35rem;
  background:transparent;
  border:0;
  cursor:pointer;
  padding:0.25rem;
}
.burger span{
  width:26px;
  height:3px;
  background:var(--ink);
  border-radius:2px;
  transition:transform 0.3s ease, opacity 0.3s ease;
}

/* Mobile menu */
@media (max-width:860px){
  .burger{display:flex;}
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:var(--white);
    flex-direction:column;
    gap:0;
    border-bottom:1px solid var(--border);
    display:none;
    z-index:20;
  }
  .nav-links a{
    width:100%;
    padding:1rem 1.25rem;
    border-top:1px solid #f0f0f0;
  }
  .nav-links a::after{display:none;}
  .nav-links.open{display:flex;}
  .burger.active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  .burger.active span:nth-child(2){opacity:0;}
  .burger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
}

/* Buttons */
.btn{
  display:inline-block;
  padding:0.85rem 1.6rem;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:0.95rem;
  border:2px solid transparent;
  transition:transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  text-align:center;
  cursor:pointer;
  line-height:1.35;
}
.btn:active{
  transform:scale(0.98);
}
.btn-primary{
  background:var(--primary);
  color:var(--white);
}
.btn-primary:hover{
  background:var(--blue-dark);
  box-shadow:0 6px 20px rgba(37,99,235,0.3);
  transform:translateY(-1px);
  color:var(--white);
}
.btn-accent{
  background:var(--accent);
  color:var(--white);
}
.btn-accent:hover{
  background:var(--red-dark);
  box-shadow:0 6px 20px rgba(220,38,38,0.3);
  transform:translateY(-1px);
  color:var(--white);
}
.btn-outline{
  background:transparent;
  color:var(--white);
  border-color:rgba(255,255,255,0.85);
}
.btn-outline:hover{
  background:rgba(255,255,255,0.2);
  color:var(--white);
}
.btn-outline-blue{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline-blue:hover{
  background:var(--primary);
  color:var(--white);
}

/* Generic section styles */
section{padding:clamp(2.5rem,6vw,4.5rem) 0;}
.section-light{background:var(--light);}
.section-blue{background:var(--blue-light);}
.section-dark{background:var(--ink);color:var(--white);}
.section-dark h2,.section-dark h3{color:var(--white);}
.section-title{margin-bottom:0.5rem;text-align:center;}
.section-subtitle{text-align:center;color:var(--muted);margin-bottom:2rem;font-size:1.05rem;}
.center{text-align:center;}

/* Grid helpers */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;}
@media (max-width:860px){
  .grid-3{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:1fr 1fr;}
}
@media (max-width:600px){
  .grid-2{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr 1fr;}
}

/* Card */
.card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}
.card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-3px);
}
.card img{
  width:100%;
  height:200px;
  object-fit:cover;
}
.card-body{padding:1.25rem;}
.card-body h3{margin-bottom:0.5rem;}
.card-body p{color:var(--muted);font-size:0.95rem;margin-bottom:0.75rem;}

/* Hero section */
.hero{
  position:relative;
  min-height:90vh;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  color:var(--white);
  padding:clamp(3rem,8vw,6rem) 0;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  z-index:0;
}
.hero-bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(26,26,46,0.7) 0%,rgba(26,26,46,0.55) 100%);
}
.hero-content{
  position:relative;
  z-index:1;
  max-width:700px;
}
.hero h1{color:var(--white);margin-bottom:0.75rem;}
.hero p{font-size:clamp(1.1rem,2.4vw,1.3rem);opacity:0.92;margin-bottom:1.5rem;}
.hero .btn-group{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}

/* Decorative hero blob */
.hero::before{
  content:"";
  position:absolute;
  width:500px;
  height:500px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,0.15) 0%,transparent 70%);
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  z-index:0;
  pointer-events:none;
}

/* Trust bar */
.trust-bar{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:1.5rem 2.5rem;
  padding:1.5rem 0;
}
.trust-item{
  display:flex;
  align-items:center;
  gap:0.5rem;
  font-weight:700;
  color:var(--ink);
  font-size:0.95rem;
  transition:transform 0.2s var(--ease-out);
}
.trust-item:hover{
  transform:scale(1.04);
}
.trust-icon{
  width:28px;
  height:28px;
  fill:var(--primary);
  flex-shrink:0;
}

/* CTA banner */
.cta-banner{
  background:var(--primary);
  color:var(--white);
  text-align:center;
  padding:clamp(2rem,5vw,3.5rem) 0;
}
.cta-banner h2{color:var(--white);margin-bottom:0.5rem;}
.cta-banner p{opacity:0.92;margin-bottom:1.25rem;}

/* Footer */
footer{
  margin-top:auto;
  background:var(--ink);
  color:#d9e1ef;
  padding:2.5rem 0 1.5rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:2rem;
  margin-bottom:2rem;
}
@media (max-width:700px){
  .footer-grid{grid-template-columns:1fr;text-align:center;}
}
.footer-brand p{color:#b8c5d6;font-size:0.9rem;margin:0.5rem 0;}
.footer-logo{display:block;max-width:180px;height:auto;margin-bottom:0.75rem;}
@media (max-width:700px){.footer-logo{margin-inline:auto;}}
footer h4{color:var(--white);margin-bottom:0.75rem;font-size:0.95rem;text-transform:uppercase;letter-spacing:0.05em;}
footer a{color:#b8c5d6;font-size:0.9rem;transition:color 0.2s ease;}
footer a:hover{color:var(--white);}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:0.4rem;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:1rem;
  text-align:center;
  font-size:0.85rem;
  color:#7a8ba3;
}
.social-links{display:flex;gap:0.75rem;margin-top:0.75rem;}
@media (max-width:700px){.social-links{justify-content:center;}}
.social-links a{
  display:flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50%;
  background:rgba(255,255,255,0.1);
  transition:background 0.2s ease;
}
.social-links a:hover{background:var(--primary);}
.social-links svg{width:18px;height:18px;fill:#d9e1ef;}

/* Fade-in animation on scroll */
.fade-in{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.fade-in.visible{
  opacity:1;
  transform:none;
}

/* Staggered children — set via JS */
.fade-in-child{
  opacity:0;
  transform:translateY(12px);
  transition:opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}
.fade-in-child.visible{
  opacity:1;
  transform:none;
}

@media (prefers-reduced-motion:reduce){
  .fade-in{transition:none;opacity:1;transform:none;}
  .fade-in-child{transition:none;opacity:1;transform:none;}
}

/* Hero content entrance animation (page load) */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px);}
  to{opacity:1;transform:translateY(0);}
}
.hero-content{
  animation:fadeUp 0.8s ease-out both;
}

/* Subtle card image zoom on hover */
.card img{
  transition:transform 0.4s var(--ease-out);
}
.card:hover img{
  transform:scale(1.03);
}

/* Button subtle glow pulse on hero CTAs */
@keyframes subtleGlow{
  0%,100%{box-shadow:0 0 0 0 rgba(37,99,235,0);}
  50%{box-shadow:0 0 0 6px rgba(37,99,235,0.12);}
}
.hero .btn-primary{
  animation:subtleGlow 3s ease-in-out infinite;
}
.hero .btn-primary:hover{
  animation:none;
}

/* Reduced motion: disable all CSS animations */
@media (prefers-reduced-motion:reduce){
  .hero-content{animation:none;}
  .hero .btn-primary{animation:none;}
  .card img{transition:none;}
  .hero::before{display:none;}
  .trust-item{transition:none;}
  .btn{transition:none;}
  .nav-links a::after{transition:none;}
  .section-curve{display:none;}
}

/* Breadcrumb navigation */
.breadcrumb{
  background:var(--light);
  border-bottom:1px solid var(--border);
  padding:0.5rem 0;
  font-size:0.85rem;
}
.breadcrumb ol{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:0.35rem;
}
.breadcrumb li{display:flex;align-items:center;gap:0.35rem;}
.breadcrumb li:not(:last-child)::after{
  content:"›";
  color:var(--muted);
  font-weight:600;
}
.breadcrumb a{color:var(--primary);font-weight:600;}
.breadcrumb a:hover{color:var(--blue-dark);}
.breadcrumb [aria-current]{color:var(--muted);font-weight:400;}

/* Comparison table */
.compare-section table{width:100%;border-collapse:collapse;margin:1.5rem 0;}
.compare-section th,.compare-section td{padding:0.75rem 1rem;border:1px solid var(--border);text-align:left;font-size:0.95rem;}
.compare-section th{background:var(--ink);color:var(--white);font-weight:600;}
.compare-section tr:nth-child(even){background:rgba(0,0,0,0.02);}

/* FAQ details polish */
details summary{
  cursor:pointer;
  transition:color 0.2s ease;
}
details summary:hover{
  color:var(--primary);
}
details summary:hover h3{
  color:var(--primary);
}

/* Section curve separator */
.section-curve{
  display:block;
  width:100%;
  height:40px;
  margin-top:-1px;
}
.section-curve-light{fill:var(--light);}
.section-curve-white{fill:var(--white);}

/* Skip link (a11y) */
.skip-link{
  position:absolute;
  top:-100%;
  left:0;
  background:var(--primary);
  color:var(--white);
  padding:0.5rem 1rem;
  z-index:100;
  font-weight:700;
}
.skip-link:focus-visible{top:0;}

/* Screen-reader only utility */
.sr-only{
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}