:root {
  --bg: #0f1115;
  --bg-2: #161a20;
  --bg-3: #1d222a;
  --line: #2a313b;
  --text: #eef1f5;
  --muted: #9aa4b2;
  --accent: #ff6a00;
  --accent-2: #ff8a2b;
  --radius: 14px;
  --head: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { font-family: var(--head); line-height: 1.05; margin: 0 0 .5em; letter-spacing: .01em; }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
p { margin: 0 0 1em; }

.wrap { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.eyebrow {
  color: var(--accent);
  font: 600 .8rem/1 var(--body);
  text-transform: uppercase;
  letter-spacing: .14em;
  margin-bottom: .9rem;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  padding: .7em 1.2em;
  border-radius: 999px;
  font: 700 1rem/1 var(--body);
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform .15s, background .15s, border-color .15s;
  white-space: nowrap;
}
.btn svg { width: 1.15em; height: 1.15em; }
.btn:hover { transform: translateY(-1px); }
.btn-lg { padding: .95em 1.6em; font-size: 1.1rem; }
.btn-call { background: var(--accent); color: #fff; box-shadow: 0 6px 24px -8px rgba(255,106,0,.7); }
.btn-call:hover { background: var(--accent-2); }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); }
.btn-dark { background: var(--bg); color: #fff; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,17,21,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner { display: flex; align-items: center; gap: 24px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.brand-mark { width: 38px; height: 38px; color: var(--accent); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font: 800 1.35rem/1 var(--head); text-transform: uppercase; letter-spacing: .03em; }
.brand-text small { color: var(--muted); font-size: .72rem; letter-spacing: .04em; }
.nav { display: flex; gap: 22px; }
.nav a { text-decoration: none; color: var(--muted); font-weight: 500; font-size: .95rem; }
.nav a:hover { color: var(--text); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(56px, 10vw, 120px) 0 clamp(64px, 10vw, 110px);
  background:
    radial-gradient(900px 500px at 85% 20%, rgba(255,106,0,.18), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse at 70% 40%, #000 20%, transparent 75%);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 32px; align-items: center;
}

/* Hero illustration */
.hero-art { position: relative; margin: 0; }
.hero-art svg { width: 100%; height: auto; display: block; filter: drop-shadow(0 30px 40px rgba(0,0,0,.55)); }
.wheel { transform-box: fill-box; transform-origin: center; animation: rotate 1.6s linear infinite; }
.hot-side { animation: heat 3s ease-in-out infinite alternate; }
.airflow path { stroke-dasharray: 6 8; animation: flow .6s linear infinite; }
@keyframes rotate { to { transform: rotate(360deg); } }
@keyframes heat { from { opacity: .85; } to { opacity: 1; filter: brightness(1.25); } }
@keyframes flow { to { stroke-dashoffset: -14; } }
.art-chip {
  position: absolute;
  padding: 8px 14px; border-radius: 999px;
  background: rgba(22,26,32,.9); border: 1px solid var(--line);
  font-size: .85rem; color: var(--muted);
  backdrop-filter: blur(6px);
  box-shadow: 0 8px 24px -10px rgba(0,0,0,.7);
}
.art-chip strong { color: var(--text); }
.art-chip::before {
  content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent); margin-right: 8px; vertical-align: 1px;
  box-shadow: 0 0 0 4px rgba(255,106,0,.2);
}
.art-chip-1 { left: 4%; top: 12%; }
.art-chip-2 { right: 0; bottom: 6%; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wheel, .hot-side, .airflow path, .brands-track { animation: none; }
}

/* Brand strip */
.brands {
  overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg-2);
  padding: 18px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.brands-track { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.brands ul { display: flex; list-style: none; margin: 0; padding: 0; }
.brands li {
  font: 700 1.35rem/1 var(--head); text-transform: uppercase; letter-spacing: .06em;
  color: #5d6773; padding: 0 28px; white-space: nowrap;
}
.brands li::after { content: "✦"; color: var(--accent); font-size: .7rem; margin-left: 56px; vertical-align: 4px; opacity: .7; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Process steps */
.steps {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  position: relative;
}
.steps::before {
  content: ""; position: absolute; left: 12%; right: 12%; top: 46px;
  border-top: 2px dashed rgba(255,106,0,.35);
}
.steps li { position: relative; text-align: center; padding: 0 8px; }
.steps svg {
  width: 92px; height: 92px; padding: 26px; margin: 0 auto 18px; display: block;
  border-radius: 50%;
  background: var(--bg-2); border: 2px solid var(--line);
  fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  position: relative; z-index: 1;
  box-shadow: 0 0 0 8px var(--bg);
}
.step-num {
  position: absolute; z-index: 2; left: 50%; top: -6px; transform: translateX(14px);
  background: var(--accent); color: #fff;
  font: 800 .85rem/1 var(--head); padding: 5px 8px; border-radius: 999px;
}
.steps h3 { font-size: 1.5rem; text-transform: uppercase; }
.steps p { color: var(--muted); font-size: .95rem; margin: 0; }
.hero h1 {
  font-size: clamp(2.8rem, 8vw, 5.5rem);
  text-transform: uppercase; font-weight: 800;
  max-width: 12ch;
}
.hero h1 span { color: var(--accent); display: block; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #c9d0da; max-width: 46ch; }

.hero-badges { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 36px; }
.badge {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 22px 14px 18px;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
}
.badge-num { font: 800 2.6rem/1 var(--head); color: var(--text); }
.badge-num small { font-size: 1.1rem; margin-left: 3px; }
.badge-label { font: 600 .82rem/1.2 var(--body); text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.badge-accent { border-color: rgba(255,106,0,.55); background: rgba(255,106,0,.08); }
.badge-accent .badge-num { color: var(--accent); }

.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }

/* Sections */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section-alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.section-head { max-width: 640px; margin-bottom: 40px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1060px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(255,106,0,.5); transform: translateY(-3px); }
.card h3 { font-size: 1.7rem; text-transform: uppercase; }
.card p { color: var(--muted); margin: 0; }
.card-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(255,106,0,.12); color: var(--accent);
  margin-bottom: 18px;
}
.card-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.card-highlight { border-color: rgba(255,106,0,.55); background: linear-gradient(160deg, rgba(255,106,0,.12), var(--bg-2) 60%); }
.price { color: var(--accent); white-space: nowrap; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: center; }

.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.checklist li {
  position: relative; padding: 18px 20px 18px 58px;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: var(--radius);
}
.checklist li::before {
  content: ""; position: absolute; left: 20px; top: 21px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/14px no-repeat;
}
.checklist strong { display: block; font-size: 1.05rem; }
.checklist span { color: var(--muted); font-size: .95rem; }

.symptoms {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px;
}
.symptoms li {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-left: 3px solid var(--accent);
  background: var(--bg-3); border-radius: 0 10px 10px 0;
  font-weight: 500;
}
.symptoms svg {
  width: 38px; height: 38px; padding: 8px; flex: none; border-radius: 10px;
  background: rgba(255,106,0,.12);
  fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

.cta-band {
  color: #fff; padding: 48px 0;
  background:
    repeating-linear-gradient(-45deg, rgba(0,0,0,.07) 0 14px, transparent 14px 28px),
    linear-gradient(90deg, #ff6a00, #ff8a2b);
}
.cta-band-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { margin-bottom: .2em; text-transform: uppercase; }
.cta-band p { margin: 0; font-size: 1.1rem; opacity: .92; }

.contact { align-items: stretch; }
.contact-list { margin: 8px 0 28px; display: grid; gap: 18px; }
.contact-list dt { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 4px; }
.contact-list dd { margin: 0; font-size: 1.1rem; }
.contact-list dd a { font: 700 1.8rem/1.1 var(--head); color: var(--accent); text-decoration: none; letter-spacing: .02em; }
.contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.map { min-height: 340px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); background: var(--bg-2); }
.map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; filter: grayscale(.3) contrast(1.05); }

.footer { border-top: 1px solid var(--line); padding: 28px 0 32px; color: var(--muted); font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer p { margin: 0; }

/* Mobile floating call button */
.fab {
  display: none;
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 60;
  align-items: center; justify-content: center; gap: 10px;
  padding: 16px; border-radius: 999px;
  background: var(--accent); color: #fff; text-decoration: none;
  font: 700 1.1rem/1 var(--body);
  box-shadow: 0 10px 30px -6px rgba(0,0,0,.6), 0 0 0 4px rgba(255,106,0,.25);
}
.fab svg { width: 22px; height: 22px; }

@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-art { max-width: 460px; width: 100%; margin: 8px auto 0; }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 40px; }
  .steps::before { display: none; }
}
@media (max-width: 860px) {
  .nav { display: none; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .topbar-inner { height: 60px; gap: 12px; }
  .brand-mark { width: 32px; height: 32px; }
  .brand-text strong { font-size: 1.15rem; }
  .topbar .btn-call { padding: .65em 1em; font-size: .92rem; }
  .steps { grid-template-columns: 1fr; }
  .art-chip { font-size: .75rem; padding: 6px 10px; }
  .hero-cta .btn { flex: 1 1 100%; }
  .badge { flex: 1 1 140px; }
  .fab { display: flex; }
  body { padding-bottom: 84px; }
}