:root {
  --ink: #111827;
  --muted: #667085;
  --line: #e5e7eb;
  --soft: #f6f8fb;
  --paper: #ffffff;
  --brand: #0f766e;
  --brand-2: #14b8a6;
  --accent: #ff8a3d;
  --shadow-lg: 0 40px 110px rgba(17, 24, 39, 0.16);
  --shadow-md: 0 20px 54px rgba(17, 24, 39, 0.12);
  --shadow-sm: 0 10px 30px rgba(17, 24, 39, 0.08);
  --radius: 8px;
  --container: min(88vw, 1360px);
  --step--1: clamp(0.94rem, 0.91rem + 0.11vw, 1rem);
  --step-0: clamp(1.06rem, 1.02rem + 0.22vw, 1.19rem);
  --step-1: clamp(1.25rem, 1.16rem + 0.42vw, 1.5rem);
  --step-2: clamp(1.5rem, 1.34rem + 0.72vw, 1.94rem);
  --step-3: clamp(1.88rem, 1.61rem + 1.18vw, 2.6rem);
  --step-4: clamp(2.35rem, 1.91rem + 1.96vw, 3.55rem);
  --step-5: clamp(3rem, 2.27rem + 3.24vw, 4.95rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Manrope, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--step-0);
  font-weight: 400;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 166, 0.13), transparent 28rem),
    linear-gradient(180deg, #f7f9fc 0%, #edf2f7 42%, #f7f9fc 100%);
  line-height: 1.58;
}
a { color: inherit; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { font-weight: 300; }
.page-shell { width: var(--container); margin: 24px auto 34px; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-bottom: 18px;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.78);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(20px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(135deg, #111827, #334155);
  font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; font-weight: 700; }
.brand small { color: var(--muted); font-size: 13px; }
.nav { display: flex; gap: 22px; color: #344054; font-size: 15px; font-weight: 700; }
.nav a { text-decoration: none; }
.header-call {
  padding: 11px 15px;
  border-radius: var(--radius);
  background: #111827;
  color: #fff;
  text-decoration: none;
  font-size: 16px;
  font-weight: 800;
}

.panel, .tab-panel, .emergency-card, .split-panel, .proof-card, .contact-card, .cta-panel, .depth-panel, .parallax-panel {
  border: 1px solid rgba(255,255,255,0.92);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.92);
  box-shadow: var(--shadow-lg);
}
.section { margin-top: 22px; padding: 58px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.5fr);
  gap: 58px;
  align-items: center;
  padding: 78px 70px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.98), rgba(250,252,255,0.92)),
    radial-gradient(circle at 90% 10%, rgba(20,184,166,0.18), transparent 22rem);
}
.eyebrow {
  margin: 0 0 11px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1 {
  max-width: 850px;
  margin: 0;
  font-size: var(--step-5);
  line-height: 1;
  letter-spacing: 0;
}
h2 {
  margin: 0;
  font-size: var(--step-4);
  line-height: 1.06;
  letter-spacing: 0;
}
h3 { margin: 12px 0; font-size: var(--step-2); line-height: 1.16; letter-spacing: 0; }
.hero-text, .section-head p:not(.eyebrow), .contact-card p, .split-panel p { color: var(--muted); font-size: var(--step-1); }
.hero-text { max-width: 780px; margin: 26px 0 0; font-size: var(--step-2); line-height: 1.42; }
.hero-actions, .trust-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 14px 22px;
  border: 0;
  border-radius: var(--radius);
  text-decoration: none;
  font-size: 17px;
  font-weight: 800;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: #111827; box-shadow: 0 14px 28px rgba(255, 138, 61, 0.28); }
.btn.secondary { background: #111827; color: #fff; }
.trust-row span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.78);
  color: #344054;
  font-size: 16px;
  font-weight: 700;
}
.hero-card {
  padding: 24px;
  border: 1px solid rgba(229,231,235,0.86);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow-md);
}
.hero-media {
  grid-column: 2;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid rgba(255,255,255,0.95);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(15,118,110,0.24), rgba(255,138,61,0.12)),
    linear-gradient(180deg, #f8fafc, #e2e8f0);
  box-shadow: var(--shadow-md);
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.card-label {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 10px;
  border-radius: var(--radius);
  background: #e6fffb;
  color: #0f766e;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.hero-card strong { display: block; font-size: var(--step-3); line-height: 1.08; font-weight: 300; }
.hero-card p, .guide p, .service-grid p, .faq p { color: var(--muted); }
.signal-list { display: grid; gap: 9px; margin-top: 18px; }
.signal-list span {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--soft);
  font-weight: 700;
}

.compact-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 0;
}
.compact-strip div {
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.86);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-sm);
}
.compact-strip strong, .compact-strip span { display: block; }
.compact-strip span { margin-top: 6px; color: var(--muted); }
.compact-strip strong { font-size: var(--step-1); font-weight: 500; }

.parallax-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(340px, 1.12fr);
  gap: 38px;
  align-items: center;
  overflow: hidden;
  min-height: 520px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.96), rgba(248,250,252,0.9)),
    linear-gradient(135deg, rgba(15,118,110,0.12), rgba(255,138,61,0.1));
  perspective: 1200px;
}
.parallax-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: var(--step-1);
}
.parallax-scene {
  position: relative;
  min-height: 390px;
  transform-style: preserve-3d;
  --scroll-depth: 0;
}
.depth-layer {
  position: absolute;
  display: grid;
  align-content: end;
  min-height: 148px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.92);
  border-radius: var(--radius);
  background: rgba(255,255,255,0.86);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
  transform:
    translate3d(calc(var(--scroll-depth) * var(--x, 0px)), calc(var(--scroll-depth) * var(--y, 0px)), var(--z, 0px))
    rotateX(var(--rx, 0deg))
    rotateY(var(--ry, 0deg));
  transition: transform 120ms linear;
}
.depth-layer span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.depth-layer strong {
  margin-top: 8px;
  font-size: var(--step-3);
  font-weight: 300;
  line-height: 1.05;
}
.layer-back {
  inset: 36px auto auto 18px;
  width: 58%;
  --x: -18px;
  --y: 16px;
  --z: -90px;
  --rx: 8deg;
  --ry: -12deg;
}
.layer-mid {
  inset: 116px 34px auto auto;
  width: 68%;
  --x: 22px;
  --y: -10px;
  --z: 28px;
  --rx: -5deg;
  --ry: 10deg;
}
.layer-front {
  inset: auto 62px 24px 46px;
  --x: 34px;
  --y: -22px;
  --z: 110px;
  --rx: -8deg;
  --ry: -7deg;
  background: linear-gradient(135deg, rgba(17,24,39,0.96), rgba(31,41,55,0.9));
  color: #fff;
}
.layer-front span { color: #99f6e4; }
.pipe-line {
  position: absolute;
  border-radius: 999px;
  background: linear-gradient(90deg, #0f766e, #14b8a6, #ff8a3d);
  box-shadow: 0 18px 42px rgba(15,118,110,0.18);
  transform:
    translate3d(calc(var(--scroll-depth) * var(--x, 0px)), calc(var(--scroll-depth) * var(--y, 0px)), var(--z, 0px))
    rotate(var(--r, 0deg));
  transition: transform 120ms linear;
}
.pipe-one {
  width: 72%;
  height: 13px;
  left: 8%;
  top: 52%;
  --x: -22px;
  --y: 18px;
  --z: 60px;
  --r: -16deg;
}
.pipe-two {
  width: 44%;
  height: 10px;
  right: 12%;
  top: 20%;
  --x: 18px;
  --y: -24px;
  --z: -30px;
  --r: 28deg;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(17,24,39,0.96), rgba(31,41,55,0.94)),
    linear-gradient(135deg, rgba(20,184,166,0.18), rgba(255,138,61,0.12));
  color: #fff;
}
.cta-panel .eyebrow { color: #99f6e4; }
.cta-panel p:not(.eyebrow) {
  max-width: 820px;
  margin: 16px 0 0;
  color: #d1d5db;
  font-size: var(--step-1);
}

.section-head { max-width: 900px; margin: 0 auto 34px; text-align: center; }
.section-head.left { margin: 0; text-align: left; }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.service-grid article, .guide, details, .process div {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.service-grid article {
  min-height: 292px;
  padding: 24px;
}
.service-card {
  overflow: hidden;
}
.service-visual {
  position: relative;
  height: 156px;
  margin-bottom: 18px;
  overflow: hidden;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 76% 22%, rgba(255,255,255,0.72), transparent 5rem),
    linear-gradient(135deg, #eef7ff, #ecfdf5);
  box-shadow: inset 0 0 0 1px rgba(15,118,110,0.08), 0 18px 44px rgba(15,118,110,0.08);
}
.service-visual::before,
.service-visual::after {
  content: "";
  position: absolute;
  display: block;
}
.boiler .service-visual::before {
  width: 62px; height: 78px; left: 24px; top: 18px;
  border: 4px solid #0f766e; border-radius: 8px;
  background: linear-gradient(#fff, #dff7f3);
}
.boiler .service-visual::after {
  width: 34px; height: 10px; left: 38px; top: 36px;
  border-radius: 999px; background: #ff8a3d; box-shadow: 0 24px 0 #0f766e;
}
.tools .service-visual::before {
  width: 80px; height: 12px; left: 30px; top: 50px;
  border-radius: 999px; background: #0f766e; transform: rotate(-34deg);
}
.tools .service-visual::after {
  width: 34px; height: 34px; right: 36px; top: 28px;
  border: 8px solid #ff8a3d; border-left-color: transparent; border-radius: 50%;
}
.swap .service-visual::before {
  width: 70px; height: 70px; left: 26px; top: 20px;
  border: 5px solid #0f766e; border-radius: 50%; border-right-color: transparent;
}
.swap .service-visual::after {
  width: 0; height: 0; left: 84px; top: 28px;
  border-top: 11px solid transparent; border-bottom: 11px solid transparent; border-left: 18px solid #0f766e;
}
.emergency-icon .service-visual::before {
  width: 72px; height: 72px; left: 28px; top: 20px;
  border-radius: 18px; background: #fee2e2;
}
.emergency-icon .service-visual::after {
  width: 14px; height: 52px; left: 57px; top: 30px;
  background: #b91c1c; border-radius: 999px; box-shadow: -19px 19px 0 -1px #b91c1c, 19px 19px 0 -1px #b91c1c;
}
.water .service-visual::before {
  width: 76px; height: 42px; left: 28px; top: 42px;
  border: 9px solid #0284c7; border-top: 0; border-radius: 0 0 30px 30px;
}
.water .service-visual::after {
  width: 18px; height: 28px; right: 42px; top: 22px;
  border-radius: 16px 16px 18px 18px; background: #38bdf8; transform: rotate(35deg);
}
.drain .service-visual::before {
  width: 88px; height: 88px; left: 26px; top: 12px;
  border: 8px solid #475569; border-radius: 50%;
}
.drain .service-visual::after {
  width: 48px; height: 48px; left: 46px; top: 32px;
  background: repeating-linear-gradient(90deg, #94a3b8 0 5px, transparent 5px 11px);
  border-radius: 50%;
}
.bath .service-visual::before {
  width: 92px; height: 44px; left: 22px; top: 48px;
  border: 5px solid #0f766e; border-radius: 8px 8px 24px 24px; background: #ecfeff;
}
.bath .service-visual::after {
  width: 34px; height: 34px; left: 30px; top: 25px;
  border-top: 6px solid #ff8a3d; border-left: 6px solid #ff8a3d; border-radius: 18px 0 0 0;
}
.heat .service-visual::before {
  width: 82px; height: 56px; left: 26px; top: 34px;
  border-radius: 8px; background: repeating-linear-gradient(90deg, #0f766e 0 10px, #ccfbf1 10px 18px);
}
.heat .service-visual::after {
  width: 12px; height: 48px; right: 38px; top: 30px;
  border-radius: 999px; background: #ff8a3d; box-shadow: 0 -13px 0 -3px rgba(255,138,61,0.38);
}
.climate .service-visual::before {
  width: 92px; height: 38px; left: 22px; top: 24px;
  border-radius: 8px; background: #fff; border: 4px solid #0f766e;
}
.climate .service-visual::after {
  width: 60px; height: 34px; left: 38px; top: 62px;
  background: linear-gradient(135deg, transparent 45%, #38bdf8 46% 54%, transparent 55%),
              linear-gradient(45deg, transparent 45%, #38bdf8 46% 54%, transparent 55%);
}
.service-grid article span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.depth-panel {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,250,252,0.96)),
    radial-gradient(circle at top right, rgba(20,184,166,0.14), transparent 24rem);
}
.depth-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}
.depth-grid article {
  min-height: 285px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.depth-grid span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}
.depth-grid p {
  color: var(--muted);
}

.tab-panel { background: rgba(249,250,252,0.94); }
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.guide { padding: 30px; }
.guide.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(240px, 0.75fr);
  gap: 24px;
  align-items: stretch;
  background:
    linear-gradient(135deg, #ffffff, #f8fffd);
}
.guide ul {
  display: grid;
  align-content: center;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.guide li {
  padding: 14px;
  border-radius: var(--radius);
  background: #f0fdfa;
  color: #115e59;
  font-size: 17px;
  font-weight: 700;
}

.emergency-card, .split-panel, .contact-card, .proof-card {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 34px;
}
.emergency-card { background: #fffaf5; }
.steps { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.steps li { padding: 18px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
.steps strong, .steps span { display: block; }
.steps span { margin-top: 6px; color: #8a4b14; }

.process { display: grid; gap: 14px; }
.process div { padding: 21px; }
.process span { color: var(--brand); font-weight: 950; }
.process strong { display: block; margin-top: 5px; font-size: var(--step-1); font-weight: 400; }

.proof-card {
  color: #fff;
  background: linear-gradient(135deg, #111827, #1f2937);
}
.proof-list { margin: 0; padding-left: 20px; color: #e5e7eb; }
.proof-list li { margin-bottom: 12px; }

.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
details { padding: 18px 20px; }
summary { cursor: pointer; font-size: var(--step-0); font-weight: 600; }

.contact-card { align-items: start; background: rgba(255,255,255,0.94); }
.phone-large {
  display: inline-block;
  margin-top: 14px;
  color: var(--brand);
  font-size: var(--step-4);
  font-weight: 300;
  text-decoration: none;
}
.lead-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-md);
}
label { display: grid; gap: 7px; color: #344054; font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid #d0d5dd;
  border-radius: var(--radius);
  padding: 13px 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
.wide { grid-column: 1 / -1; }

.footer {
  margin-top: 22px;
  padding: 28px 30px 86px;
  border-radius: var(--radius);
  background: #111827;
  color: #e5e7eb;
  box-shadow: var(--shadow-md);
}
.footer a { color: #99f6e4; }
.footer small { color: #98a2b3; }

.mobile-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: none;
  grid-template-columns: 1fr 1fr;
  background: #111827;
  box-shadow: 0 -18px 40px rgba(17,24,39,0.22);
}
.mobile-cta a { padding: 15px 12px; color: #fff; text-align: center; text-decoration: none; font-weight: 800; }
.mobile-cta a:first-child { background: var(--accent); color: #111827; }

@media (max-width: 1100px) {
  :root { --container: min(94vw, 1180px); }
  .hero, .emergency-card, .split-panel, .proof-card, .contact-card, .cta-panel, .parallax-panel { grid-template-columns: 1fr; }
  .hero-media { grid-column: auto; }
  .service-grid, .depth-grid { grid-template-columns: repeat(2, 1fr); }
  .guide.featured { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .page-shell { width: calc(100vw - 24px); margin-top: 12px; }
  .site-header { top: 8px; padding: 10px 12px; }
  .nav, .brand small, .header-call { display: none; }
  .section, .hero { padding: 34px 18px; }
  .parallax-panel { min-height: auto; }
  .parallax-scene { min-height: 430px; }
  .layer-back, .layer-mid, .layer-front { width: auto; left: 0; right: 0; }
  .layer-back { top: 18px; }
  .layer-mid { top: 140px; }
  .layer-front { bottom: 18px; }
  .hero-actions .btn, .service-grid, .depth-grid, .article-grid, .faq-grid, .lead-form, .compact-strip { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .guide.featured { grid-template-columns: 1fr; }
  .mobile-cta { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .depth-layer,
  .pipe-line {
    transition: none;
    transform: none;
  }
}