/* ============================================================
   JRUSH DIESEL SERVICES — Brand Stylesheet
   Design concept: "Diagnostic Readout" — near-black + electric
   teal, OBD scan-tool styling, network-map motif for a mobile,
   multi-city diesel repair network.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;600;700&family=Inter:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root {
  --ink:         #0a0d0d;
  --ink-2:       #121717;
  --ink-3:       #1a2121;
  --steel:       #4d6363;
  --steel-light: #8ea3a3;
  --teal:        #00e5c7;
  --teal-dim:    #00b39d;
  --off-white:   #eef4f3;
  --muted:       #8a9797;
  --line:        rgba(238,244,243,0.11);
  --alert:       #ff5a4e;

  --font-display: 'Rajdhani', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0 0 0.4em;
  line-height: 1.05;
  font-weight: 700;
}
h1 { font-size: clamp(2.6rem, 5.2vw, 4.4rem); }
h2 { font-size: clamp(1.9rem, 3.2vw, 2.6rem); }
h3 { font-size: 1.3rem; letter-spacing: 0.01em; }
p { margin: 0 0 1em; color: var(--muted); }
strong { color: var(--off-white); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--teal);
  color: var(--ink); padding: 10px 16px; z-index: 999; font-weight: 700;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ============ SCAN STRIP ============ */
.scan-strip {
  height: 8px; width: 100%;
  background-color: var(--teal);
  background-image: repeating-linear-gradient(90deg, rgba(10,13,13,0.35) 0 4px, transparent 4px 16px);
}

/* ============ NAV ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,13,13,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; max-width: var(--container); margin: 0 auto; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { width: 42px; height: 42px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; min-width: 0; }
.brand-text .name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.02em; color: var(--off-white); }
.brand-text .tag { font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 0.12em; color: var(--teal); margin-top: 4px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted); position: relative; padding: 6px 0;
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--off-white); }
.nav-links a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--teal);
}
.nav-cta { display: flex; align-items: center; gap: 14px; }
.nav-phone { display: none; font-family: var(--font-mono); font-size: 0.82rem; color: var(--off-white); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--off-white); width: 40px; height: 40px; border-radius: 4px; cursor: pointer; position: relative; z-index: 300; }
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-burger { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

@media (min-width: 900px) { .nav-phone { display: inline; } }
@media (max-width: 899px) {
  .site-header { backdrop-filter: none; background: var(--ink); }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: 0; z-index: 200; background: var(--ink);
    display: flex; flex-direction: column; align-items: stretch; justify-content: center; gap: 0;
    visibility: hidden; opacity: 0; transition: opacity 0.25s ease; padding: 0 24px;
  }
  .nav-links.open { visibility: visible; opacity: 1; }
  .nav-links a {
    display: block; width: 100%; padding: 22px 8px; border-bottom: 1px solid var(--line);
    font-size: 1.1rem; text-align: center; letter-spacing: 0.1em;
  }
  .nav-links li + li { margin-top: 6px; }
  .nav-links a[aria-current="page"]::after { display: none; }
  .nav-links a[aria-current="page"] { background: rgba(0,229,199,0.08); }
}
@media (max-width: 560px) {
  .nav { flex-wrap: nowrap; padding: 10px 12px; }
  .brand { gap: 8px; }
  .nav-cta { gap: 8px; flex: none; }
  .brand-mark { width: 36px; height: auto; flex: none; }
  .brand-text .tag { display: none; }
  .brand-text .name { font-size: 0.75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 36vw; }
  .nav-cta .btn-primary { padding: 8px 10px; font-size: 0.58rem; letter-spacing: 0.04em; }
  .nav-toggle { width: 34px; height: 34px; flex: none; }
}

/* ============ BUTTONS ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-mono); font-weight: 600; font-size: 0.78rem; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 15px 26px; border-radius: 3px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.12s ease, background 0.15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: var(--ink); }
.btn-primary:hover { background: #23f2d6; }
.btn-outline { background: transparent; color: var(--off-white); border-color: var(--steel); }
.btn-outline:hover { border-color: var(--off-white); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ============ EYEBROW / BADGES ============ */
.eyebrow {
  font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--teal); display: flex; align-items: center; gap: 10px; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--teal); }

.stat-strip { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-top: 40px; }
.stat-badge {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--font-mono); text-align: center; border: 2px solid var(--off-white);
  border-radius: 6px; padding: 10px 16px; min-width: 108px; background: var(--ink-2);
}
.stat-badge .big { font-size: 1.5rem; font-weight: 700; color: var(--teal); font-family: var(--font-display); }
.stat-badge .small { font-size: 0.62rem; letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; margin-top: 2px; }

/* ============ HERO ============ */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, rgba(10,13,13,0.55), rgba(10,13,13,0.97) 78%),
              repeating-linear-gradient(115deg, #0d1212 0 2px, #0a0e0e 2px 90px);
}
.hero-inner {
  padding: 52px 24px 70px; max-width: var(--container); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; align-items: start;
}
@media (max-width: 860px) { .hero-inner { grid-template-columns: 1fr; padding-top: 56px; } }
.hero h1 { color: var(--off-white); }
.hero h1 .accent { color: var(--teal); }
.hero-sub { font-size: 1.08rem; max-width: 48ch; margin-bottom: 30px; }
.hero-art { justify-self: stretch; margin-top: 6px; }
.hero-art svg { border: 1px solid var(--line); border-radius: 6px; background: var(--ink-2); }
.road-line {
  position: absolute; left: 0; right: 0; bottom: 0; height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--off-white) 0 34px, transparent 34px 60px);
  opacity: 0.1;
}

/* ============ SECTIONS ============ */
section { padding: 84px 0; }
.section-tight { padding: 56px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-alt { background: var(--ink-2); }
.divider { height: 1px; background: var(--line); border: none; margin: 0; }

/* ============ GRID / CARDS ============ */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }
@media (min-width: 561px) and (max-width: 860px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }

.card {
  background: var(--ink-2); border: 1px solid var(--line); border-radius: 6px; padding: 30px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--teal-dim); transform: translateY(-4px); }
.card .icon { width: 40px; height: 40px; margin-bottom: 18px; color: var(--teal); }
.card h3 { color: var(--off-white); }
.card p { margin-bottom: 0; }
.card-flush { padding: 0; overflow: hidden; }

/* ============ NUMBERED LIST ============ */
.marker-list { display: flex; flex-direction: column; }
.marker-item { display: grid; grid-template-columns: 90px 1fr; gap: 26px; padding: 34px 0; border-top: 1px dashed var(--line); }
.marker-item:last-child { border-bottom: 1px dashed var(--line); }
.marker-num {
  font-family: var(--font-mono); color: var(--ink); background: var(--teal); width: 64px; height: 64px;
  border-radius: 50%; display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-weight: 700; line-height: 1; align-self: start;
}
.marker-num .mm { font-size: 0.55rem; letter-spacing: 0.06em; margin-bottom: 2px; }
.marker-num .num { font-size: 1.15rem; font-family: var(--font-display); }
.marker-body h3 { color: var(--off-white); margin-bottom: 8px; }
.marker-body p { margin-bottom: 0; }
@media (max-width: 560px) {
  .marker-item { grid-template-columns: 52px 1fr; gap: 16px; padding: 26px 0; }
  .marker-num { width: 46px; height: 46px; }
  .marker-num .num { font-size: 0.95rem; }
  .marker-num .mm { font-size: 0.5rem; }
}

/* ============ SCAN READOUT CARD (signature component) ============ */
.scan-card {
  background: var(--ink); border: 2px solid var(--teal); border-radius: 10px; padding: 34px;
  font-family: var(--font-mono);
}
.scan-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.scan-head .label { font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--teal); }
.scan-head .status { font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--teal); display:flex; align-items:center; gap:6px; }
.scan-head .status::before { content:""; width:7px; height:7px; border-radius:50%; background: var(--teal); }
.scan-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.scan-grid div { border-top: 1px solid var(--line); padding-top: 12px; }
.scan-grid .k { font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.scan-grid .v { font-size: 1rem; color: var(--off-white); }
@media (max-width: 480px) { .scan-grid { grid-template-columns: 1fr 1fr; } }

/* ============ CTA BAND ============ */
.cta-band { background: var(--teal); color: var(--ink); padding: 56px 0; }
.cta-band h2, .cta-band p { color: var(--ink); }
.cta-band p { opacity: 0.75; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px; }
@media (max-width: 560px) { .cta-inner { flex-direction: column; align-items: flex-start; } }
.cta-band .btn-outline { border-color: var(--ink); color: var(--ink); }
.cta-band .btn-outline:hover { background: rgba(10,13,13,0.08); }

/* ============ FORMS ============ */
.field { margin-bottom: 20px; }
.field label { display: block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--ink); border: 1px solid var(--line); color: var(--off-white);
  padding: 13px 14px; border-radius: 4px; font-family: var(--font-body); font-size: 0.95rem;
}
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--teal); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-family: var(--font-mono); font-size: 0.75rem; color: var(--steel-light); }
.form-success {
  display: none; background: rgba(0,229,199,0.1); border: 1px solid var(--teal-dim);
  padding: 16px 18px; border-radius: 6px; margin-top: 18px; font-family: var(--font-mono); font-size: 0.85rem;
}
.form-success.show { display: block; }

/* ============ INFO STRIP ============ */
.info-strip { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.info-strip > div { padding: 26px; border-left: 1px solid var(--line); }
.info-strip > div:first-child { border-left: none; }
.info-strip .label { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--teal); margin-bottom: 8px; }
.info-strip .value { font-family: var(--font-display); font-size: 1.15rem; color: var(--off-white); }
@media (max-width: 860px) { .info-strip { grid-template-columns: 1fr 1fr; } .info-strip > div:nth-child(3) { border-left: none; } }
@media (max-width: 520px) { .info-strip { grid-template-columns: 1fr; } .info-strip > div { border-left: none; border-top: 1px solid var(--line); } .info-strip > div:first-child { border-top: none; } }

/* ============ CITY / COVERAGE PILLS ============ */
.city-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.city-pill {
  border: 1px solid var(--line); border-radius: 6px; padding: 16px 18px; background: var(--ink-2);
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--off-white);
  display: flex; align-items: center; gap: 10px;
}
.city-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--teal); flex: none; }

/* ============ MAP ============ */
.map-frame { border: 1px solid var(--line); border-radius: 6px; overflow: hidden; height: 380px; }
.map-frame iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.5) invert(0.9) contrast(0.9); }

/* ============ FOOTER ============ */
.site-footer { background: var(--ink-2); border-top: 1px solid var(--line); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--teal); text-transform: uppercase; margin-bottom: 18px; }
.footer-grid ul li { margin-bottom: 11px; }
.footer-grid ul a { color: var(--muted); font-size: 0.92rem; }
.footer-grid ul a:hover { color: var(--off-white); }
.footer-brand p { max-width: 32ch; font-size: 0.92rem; }
.footer-social { display: flex; gap: 12px; margin-top: 18px; }
.footer-social a { width: 36px; height: 36px; border: 1px solid var(--line); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.footer-social a:hover { color: var(--teal); border-color: var(--teal-dim); }
.footer-bottom { border-top: 1px solid var(--line); padding: 22px 0; margin-top: 8px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--steel-light); }
@media (max-width: 560px) { .footer-bottom { flex-direction: column; align-items: flex-start; } }

/* ============ MISC ============ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.breadcrumb { padding: 26px 0 0; font-family: var(--font-mono); font-size: 0.75rem; color: var(--steel-light); }
.breadcrumb span { color: var(--teal); }