/* ============================================
   ELSAMRA PLUMBING & HEATING — Design Tokens
   Palette: near-white canvas, dark gray footer bookend, green primary + gold accent
   Flat, professional trade-services look — no gradients/glows, soft neutral shadows.
   Type: Barlow Semi Condensed (display), Public Sans (body)
   Source: "Plumbing design system" (claude.ai/design)
============================================ */

:root{
  /* Brand green — from logo step gradient */
  --green-900:#0B4A2A;
  --green-700:#0F6E3A;
  --green-600:#2E7D46;
  --green-500:#5C9A38;
  --green-300:#8CC63F;
  --green-100:#E7F3DC;

  /* Neutral gray — from wordmark */
  --gray-900:#232425;
  --gray-700:#4A4B4D;
  --gray-500:#6D6E70;
  --gray-300:#B7B8BA;
  --gray-150:#E4E5E6;
  --gray-100:#F1F1F0;

  /* Gold accent — hard hat */
  --gold-600:#C99400;
  --gold-500:#F2B705;
  --gold-100:#FDF1CC;

  --white:#fefefe;
  --black:#1c1c1d;

  /* Semantic aliases */
  --color-bg:var(--white);
  --color-bg-subtle:var(--gray-100);
  --color-surface:var(--white);
  --color-border:var(--gray-150);
  --color-border-strong:var(--gray-300);
  --color-text:var(--gray-900);
  --color-text-muted:var(--gray-500);
  --color-text-on-primary:var(--white);

  --color-primary:var(--green-700);
  --color-primary-hover:var(--green-900);
  --color-primary-tint:var(--green-100);

  --color-accent:var(--gold-500);
  --color-accent-hover:var(--gold-600);
  --color-accent-tint:var(--gold-100);

  --color-success:var(--green-600);
  --color-danger:#B4402A;
  --color-danger-tint:#FBEAE6;
  --color-warning:var(--gold-500);
  --color-warning-tint:var(--gold-100);

  /* Type */
  --font-display:'Barlow Semi Condensed','Arial Narrow',sans-serif;
  --font-body:'Public Sans',Helvetica,Arial,sans-serif;
  --tracking-wide:0.08em;
  --tracking-eyebrow:0.14em;

  /* Spacing / radii */
  --space-7:48px;
  --radius-sm:4px;
  --radius-md:8px;
  --radius-lg:14px;
  --radius-pill:999px;
  --maxw:1200px;

  /* Effects */
  --shadow-sm:0 1px 2px rgba(35,36,37,.08);
  --shadow-md:0 4px 12px rgba(35,36,37,.10);
  --shadow-lg:0 12px 32px rgba(35,36,37,.14);
  --shadow-focus:0 0 0 3px var(--green-100);
  --ease-standard:cubic-bezier(0.4,0,0.2,1);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--color-bg);
  color:var(--color-text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  margin:0 0 .5em;
  font-weight:700;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
@media(max-width:720px){section{padding:56px 0;}}

/* ---------- Header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:var(--color-surface);
  border-bottom:1px solid var(--color-border);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:var(--maxw);margin:0 auto;
}
.brand{display:flex;align-items:center;}
.brand img{height:42px;}
.navlinks{display:flex;gap:28px;align-items:center;font-size:.92rem;color:var(--color-text-muted);}
.navlinks a{transition:color .15s;}
.navlinks a:hover,.navlinks a.active{color:var(--color-primary);}
.nav-cta{
  background:var(--color-accent);
  color:var(--gray-900);padding:10px 18px;border-radius:var(--radius-md);font-weight:700;font-size:.88rem;
  box-shadow:var(--shadow-sm);
  transition:filter .15s,transform .15s;
}
.nav-cta:hover{filter:brightness(.92);transform:translateY(-1px);}
.nav-phone{display:flex;align-items:center;gap:8px;font-family:var(--font-body);font-weight:600;font-size:.85rem;color:var(--color-text-muted);}
.nav-phone i{width:16px;height:16px;}
.hamburger{display:none;background:none;border:1px solid var(--color-border-strong);border-radius:8px;width:40px;height:36px;color:var(--color-text);align-items:center;justify-content:center;}
@media(max-width:860px){
  .navlinks{position:fixed;top:64px;left:0;right:0;background:var(--color-surface);flex-direction:column;align-items:flex-start;padding:20px 24px;gap:18px;border-bottom:1px solid var(--color-border);display:none;}
  .navlinks.open{display:flex;}
  .hamburger{display:flex;}
  .nav-phone{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-md);font-weight:600;font-size:.92rem;
  border:1px solid transparent;cursor:pointer;transition:filter .15s,transform .15s,border-color .15s,color .15s;
}
.btn-primary{
  background:var(--color-primary);
  color:var(--color-text-on-primary);box-shadow:var(--shadow-sm);
}
.btn-primary:hover{filter:brightness(.92);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;border-color:var(--color-border-strong);color:var(--color-primary);
}
.btn-ghost:hover{border-color:var(--color-primary);}
.btn-block{width:100%;justify-content:center;}

/* ---------- Hero ---------- */
.hero{padding:100px 0 70px;position:relative;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;}}
.eyebrow{
  font-family:var(--font-display);font-weight:700;font-size:.8125rem;letter-spacing:var(--tracking-eyebrow);text-transform:uppercase;
  color:var(--color-primary);display:flex;align-items:center;gap:10px;margin-bottom:18px;
}
.eyebrow::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--color-success);box-shadow:0 0 0 3px var(--color-primary-tint);}
.hero h1{font-size:clamp(2.3rem,5vw,3.6rem);max-width:760px;line-height:1.05;}
.hero p.lead{color:var(--color-text-muted);font-size:1.15rem;max-width:560px;margin:18px 0 32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px;}
.trust-row{display:flex;gap:32px;flex-wrap:wrap;border-top:1px solid var(--color-border);padding-top:28px;}
.trust-item{font-size:.85rem;color:var(--color-text-muted);}
.trust-item b{display:flex;align-items:center;gap:6px;color:var(--color-text);font-family:var(--font-display);font-size:1.4rem;}
.trust-item i{width:18px;height:18px;color:var(--color-accent-hover);}
a.trust-item.trust-link{transition:color .15s;}
a.trust-item.trust-link:hover{color:var(--color-primary);}
a.trust-item.trust-link:hover b{color:var(--color-primary);}

.hero-visual{
  background:var(--color-bg-subtle);
  border:1px solid var(--color-border);border-radius:var(--radius-lg);
  padding:28px;aspect-ratio:4/3;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);
}
.hero-visual svg{width:100%;height:100%;}
@media(max-width:960px){.hero-visual{max-width:460px;margin:0 auto;}}

/* ---------- Social follow strip ---------- */
.social-strip .section-head{margin-left:auto;margin-right:auto;text-align:center;}
.social-row{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;}
.social-icon{
  width:56px;height:56px;border-radius:50%;
  background:var(--color-surface);
  border:1px solid var(--color-border);color:var(--color-text-muted);
  display:flex;align-items:center;justify-content:center;
  transition:transform .15s,box-shadow .15s,color .15s;
}
.social-icon svg{width:22px;height:22px;}
.social-icon:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--color-primary);}

/* ---------- Section headers ---------- */
.section-head{max-width:640px;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:12px;}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.section-head p{color:var(--color-text-muted);}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:860px){.grid-3,.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.card .icon{
  width:42px;height:42px;border-radius:var(--radius-md);
  background:var(--color-primary-tint);border:1px solid var(--color-primary-tint);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--color-primary);
}
.card .icon i{width:20px;height:20px;}
.card h3{color:var(--color-text);font-size:1.08rem;}
.card p{color:var(--color-text-muted);font-size:.92rem;margin:0 0 14px;}
.card .price{font-family:var(--font-body);font-weight:700;color:var(--color-primary);font-size:.85rem;}
.card a.more{font-size:.85rem;color:var(--color-primary);font-weight:600;}

/* ---------- Strip / CTA band ---------- */
.cta-band{
  background:var(--color-primary-tint);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h3{font-size:1.5rem;margin-bottom:6px;}
.cta-band p{color:var(--color-text-muted);margin:0;}

/* ---------- Footer ---------- */
footer{
  position:relative;background:var(--gray-900);
  padding:50px 0 30px;color:var(--gray-300);font-size:.85rem;
}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px;}
.foot-grid h4{color:var(--white);font-size:.85rem;text-transform:uppercase;letter-spacing:var(--tracking-wide);font-family:var(--font-body);font-weight:700;margin-bottom:14px;}
.foot-brand{margin-bottom:14px;}
.foot-brand img{height:36px;filter:brightness(0) invert(1);}
.foot-grid a{display:block;margin-bottom:8px;color:var(--gray-300);}
.foot-grid a:hover{color:var(--white);}
.foot-bottom{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);padding-top:20px;flex-wrap:wrap;gap:10px;}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;}}

/* ---------- Page header (non-home pages) ---------- */
.page-header{padding:64px 0 40px;border-bottom:1px solid var(--color-border);}
.page-header h1{font-size:clamp(1.9rem,4vw,2.6rem);}
.page-header p{color:var(--color-text-muted);max-width:560px;}
.breadcrumb{font-family:var(--font-body);font-weight:700;font-size:.75rem;color:var(--color-text-muted);margin-bottom:14px;text-transform:uppercase;letter-spacing:var(--tracking-wide);}
.breadcrumb span{color:var(--color-primary);}

/* ---------- Forms (Contact / Quote) ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:720px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.field label{font-size:.82rem;font-weight:600;color:var(--color-text-muted);font-family:var(--font-body);letter-spacing:.02em;}
.field input,.field select,.field textarea{
  background:var(--color-surface);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);
  padding:12px 14px;color:var(--color-text);font-family:var(--font-body);font-size:.95rem;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:var(--shadow-focus);}
.field textarea{resize:vertical;min-height:110px;}
.field-hint{font-size:.78rem;color:var(--color-text-muted);}
.field-hint-warn{color:var(--color-danger);}
.hp-field{display:none;}
.field-check{margin-bottom:22px;}
.check-label{display:flex;align-items:flex-start;gap:10px;font-size:.85rem;color:var(--color-text-muted);cursor:pointer;}
.check-label input[type=checkbox]{margin-top:3px;width:16px;height:16px;flex:none;accent-color:var(--color-primary);}

.quote-form-wrap{max-width:760px;margin:0 auto;}

.panel-row{display:grid;grid-template-columns:1.1fr 1.5fr;gap:32px;}
@media(max-width:920px){.panel-row{grid-template-columns:1fr;}}

.toast{
  position:fixed;bottom:24px;right:24px;background:var(--color-surface);border:1px solid var(--color-success);
  color:var(--color-text);padding:16px 22px;border-radius:var(--radius-md);display:none;align-items:center;gap:10px;
  box-shadow:var(--shadow-lg);z-index:99;
}
.toast i{color:var(--color-success);width:20px;height:20px;}
.toast.show{display:flex;}

/* ---------- About page specifics ---------- */
.timeline{border-left:2px solid var(--color-border-strong);padding-left:28px;margin-left:8px;}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item::before{content:'';position:absolute;left:-34px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-tint);}
.tl-item .yr{font-family:var(--font-body);font-weight:700;color:var(--color-primary);font-size:.8rem;}

.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
@media(max-width:720px){.stat-row{grid-template-columns:repeat(2,1fr);}}
.stat{text-align:center;padding:24px 10px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:var(--color-surface);box-shadow:var(--shadow-sm);}
.stat b{display:block;font-family:var(--font-display);font-size:2rem;color:var(--color-primary);}
.stat span{font-size:.78rem;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.06em;}