/* ============================================================
   Copperline Plumbing Co. — design system
   Art direction: ink & warm paper, copper-pipe accent,
   confident uppercase headlines, editorial asymmetry.
   ============================================================ */

:root {
  --ink: #14181d;
  --slate: #1d242b;
  --slate-2: #2a333c;
  --paper: #f5f1e8;
  --paper-2: #ece6d8;
  --paper-dim: #b8b2a4;
  --copper: #c1743a;
  --copper-bright: #dd8f4c;
  --water: #4d8896;
  --text: #23282e;
  --text-soft: #5a6068;
  --line: rgba(20, 24, 29, 0.12);
  --line-strong: rgba(245, 241, 232, 0.28);

  --font-sans: "Helvetica Neue", Arial, "Segoe UI", system-ui, sans-serif;
  --wrap: 1140px;
  --gutter: clamp(1.25rem, 5vw, 4rem);

  --step-h1: clamp(2.6rem, 7.5vw, 5.6rem);
  --step-h2: clamp(1.9rem, 4vw, 3rem);
  --step-h3: clamp(1.15rem, 2vw, 1.4rem);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }

a { color: inherit; }

h1, h2, h3 { line-height: 1.02; margin: 0; font-weight: 800; }

p { margin: 0; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 1rem; top: -3rem;
  background: var(--ink); color: var(--paper);
  padding: 0.6rem 1rem; z-index: 1000;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 3px solid var(--copper-bright);
  outline-offset: 3px;
}

/* ---------- Eyebrow / shared bits ---------- */
.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--copper);
  margin-bottom: 1.1rem;
}
.eyebrow-light { color: var(--copper-bright); }

.section-head { max-width: 46rem; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head h2,
.services h2, .process h2, .about h2, .area h2, .contact h2 {
  font-size: var(--step-h2);
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  padding: 0.95rem 1.6rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--copper); color: #fff; }
.btn-primary:hover { background: var(--copper-bright); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-solid:hover { background: var(--slate-2); }
.btn-block { width: 100%; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 241, 232, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 74px;
}
.brand {
  display: flex; align-items: center; gap: 0.7rem;
  text-decoration: none; color: var(--ink);
}
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-text {
  display: flex; flex-direction: column;
  font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.02em; line-height: 1;
  font-size: 1.15rem;
}
.brand-sub {
  font-size: 0.62rem; letter-spacing: 0.32em;
  color: var(--copper); margin-top: 3px; font-weight: 700;
}

.site-nav ul {
  list-style: none; display: flex; align-items: center;
  gap: clamp(1rem, 2.5vw, 2.2rem); margin: 0; padding: 0;
}
.site-nav a {
  text-decoration: none; color: var(--ink);
  font-weight: 600; font-size: 0.95rem;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.site-nav a:hover { color: var(--copper); }
.nav-cta {
  background: var(--ink); color: var(--paper) !important;
  padding: 0.6rem 1.1rem;
}
.nav-cta:hover { background: var(--copper); }

.nav-toggle {
  display: none;
  width: 46px; height: 46px;
  background: var(--ink); border: none; cursor: pointer;
  position: relative;
}
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: ""; position: absolute;
  width: 22px; height: 2px; background: var(--paper);
  left: 12px; transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle-bar { top: 22px; }
.nav-toggle-bar::before { top: -7px; }
.nav-toggle-bar::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background:
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  padding-block: clamp(3rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: end;
}
.hero-copy h1 {
  font-size: var(--step-h1);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}
.hero-copy h1 .accent { color: var(--copper); }
.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 34rem; color: var(--text-soft);
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-bottom: 2rem; }
.hero-points {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 1.5rem;
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--ink);
}
.hero-points li { position: relative; padding-left: 1.3rem; }
.hero-points li::before {
  content: ""; position: absolute; left: 0; top: 0.15em;
  width: 12px; height: 12px; background: var(--copper);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.hero-panel {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(1.75rem, 3vw, 2.5rem);
  position: relative;
  overflow: hidden;
  border-top: 5px solid var(--copper);
}
.panel-tag {
  display: inline-block;
  font-size: 0.72rem; letter-spacing: 0.22em;
  text-transform: uppercase; font-weight: 700;
  color: var(--copper-bright); margin-bottom: 1rem;
}
.panel-lead {
  font-size: 1.5rem; font-weight: 800; line-height: 1.1;
  text-transform: uppercase; margin-bottom: 0.8rem;
}
.panel-note { color: var(--paper-dim); font-size: 0.95rem; margin-bottom: 1.5rem; }
.pipe-art { margin-top: 1.75rem; opacity: 0.9; }

/* ============================================================
   TRUST STRIP
   ============================================================ */
.strip {
  background: var(--copper);
  color: #fff;
}
.strip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-block: clamp(2rem, 4vw, 3rem);
}
.strip-item { display: flex; gap: 1rem; align-items: flex-start; }
.strip-num {
  font-size: 1.4rem; font-weight: 800;
  border: 2px solid rgba(255,255,255,0.6);
  width: 44px; height: 44px; flex: none;
  display: grid; place-items: center;
}
.strip-item p { font-size: 0.98rem; }

/* ============================================================
   SERVICES
   ============================================================ */
.services { padding-block: clamp(4rem, 9vw, 7rem); }
.service-list {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}
.service {
  display: flex; gap: 1.5rem; align-items: flex-start;
  padding: clamp(1.75rem, 3vw, 2.4rem) clamp(1rem, 2vw, 2rem);
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.service:nth-child(odd) { border-right: 1px solid var(--line); }
.service:hover { background: var(--paper-2); }
.service-num {
  font-size: 1.1rem; font-weight: 800; color: var(--copper);
  letter-spacing: 0.05em; padding-top: 0.15rem;
}
.service-body h3 {
  font-size: var(--step-h3); text-transform: uppercase;
  letter-spacing: 0.01em; margin-bottom: 0.6rem;
}
.service-body p { color: var(--text-soft); font-size: 0.98rem; }

/* ============================================================
   PROCESS
   ============================================================ */
.process {
  background: var(--slate);
  color: var(--paper);
  padding-block: clamp(4rem, 9vw, 7rem);
}
.process-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.process-intro { position: sticky; top: 100px; }
.process-lede { color: var(--paper-dim); margin: 1.25rem 0 2rem; }
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 1.4rem;
}
.steps li {
  background: var(--ink);
  border-left: 4px solid var(--copper);
  padding: 1.6rem 1.8rem;
  position: relative;
}
.step-num {
  position: absolute; top: 1.4rem; right: 1.6rem;
  font-size: 2.6rem; font-weight: 800;
  color: rgba(221, 143, 76, 0.25); line-height: 1;
}
.steps h3 {
  font-size: 1.2rem; text-transform: uppercase;
  margin-bottom: 0.5rem; padding-right: 3rem;
}
.steps p { color: var(--paper-dim); font-size: 0.96rem; }

/* ============================================================
   ABOUT
   ============================================================ */
.about { padding-block: clamp(4rem, 9vw, 7rem); }
.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}
.wrench-art { width: 100%; height: auto; }
.about-copy p { color: var(--text-soft); margin-top: 1.1rem; max-width: 40rem; }
.about-copy h2 { margin-bottom: 0.5rem; }
.about-facts {
  list-style: none; margin: 2rem 0 0; padding: 0;
  display: grid; gap: 0;
  border-top: 2px solid var(--ink);
}
.about-facts li {
  display: flex; flex-wrap: wrap; align-items: baseline;
  gap: 0.5rem 1rem;
  padding: 1rem 0; border-bottom: 1px solid var(--line);
}
.about-facts strong {
  text-transform: uppercase; letter-spacing: 0.04em;
  font-size: 0.95rem; min-width: 12rem;
}
.about-facts span { color: var(--text-soft); font-size: 0.95rem; }

/* ============================================================
   SERVICE AREA
   ============================================================ */
.area {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(4rem, 9vw, 7rem);
}
.area-inner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: clamp(2.5rem, 5vw, 4rem);
  align-items: center;
}
.area-copy p { color: var(--paper-dim); margin-top: 1.1rem; max-width: 38rem; }
.area-note { color: var(--copper-bright) !important; font-weight: 600; }
.area-map { display: grid; place-items: center; }
.area-map svg { width: min(320px, 90%); }

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding-block: clamp(4rem, 9vw, 7rem);
  background: var(--paper-2);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}
.contact-copy p { color: var(--text-soft); margin-top: 1.1rem; max-width: 30rem; }
.contact-alt { font-weight: 600; }
.contact-alt a { color: var(--copper); }

.contact-form {
  background: #fff;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-top: 5px solid var(--copper);
  box-shadow: 0 30px 60px -40px rgba(20, 24, 29, 0.5);
}
.field { margin-bottom: 1.3rem; }
.field label {
  display: block; font-weight: 700; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}
.field input,
.field textarea {
  width: 100%; font: inherit; color: var(--text);
  padding: 0.85rem 1rem;
  border: 1.5px solid var(--line);
  background: var(--paper);
  border-radius: 0;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--copper);
  outline: none;
  background: #fff;
}
.field textarea { resize: vertical; }
.form-note {
  margin-top: 1rem; font-size: 0.85rem; color: var(--text-soft);
  text-align: center;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: var(--paper);
  padding-top: clamp(3rem, 6vw, 4.5rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: clamp(2rem, 4vw, 3rem);
  padding-bottom: 3rem;
}
.footer-brand .brand-mark { width: 40px; height: 40px; margin-bottom: 1rem; }
.footer-line {
  font-weight: 800; text-transform: uppercase;
  letter-spacing: 0.04em; font-size: 1.15rem;
}
.footer-tag { color: var(--paper-dim); margin-top: 0.4rem; font-size: 0.95rem; }
.site-footer h2 {
  font-size: 0.78rem; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--copper-bright);
  margin-bottom: 1rem;
}
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.footer-nav a, .footer-contact a { color: var(--paper); text-decoration: none; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--copper-bright); }
.footer-contact p { margin-bottom: 0.7rem; }
.footer-emerg { color: var(--paper-dim); font-size: 0.9rem; }

.footer-base {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  border-top: 1px solid var(--line-strong);
  padding-block: 1.5rem;
  font-size: 0.85rem; color: var(--paper-dim);
}
.footer-base a { color: var(--paper-dim); text-decoration: none; }
.footer-base a:hover { color: var(--copper-bright); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 940px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--ink);
    max-height: 0; overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-nav.open { max-height: 26rem; }
  .site-nav ul {
    flex-direction: column; align-items: stretch;
    gap: 0; padding: 0.5rem 0;
  }
  .site-nav li { border-bottom: 1px solid rgba(255,255,255,0.08); }
  .site-nav a {
    display: block; color: var(--paper);
    padding: 1rem var(--gutter);
  }
  .site-nav a:hover { color: var(--copper-bright); }
  .nav-cta { background: transparent; }

  .hero-grid { grid-template-columns: 1fr; align-items: start; }
  .process-grid { grid-template-columns: 1fr; }
  .process-intro { position: static; }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { max-width: 340px; }
  .area-inner { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .strip-grid { grid-template-columns: 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .service:nth-child(odd) { border-right: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-facts strong { min-width: 0; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}