/* ==========================================================================
   FuelPro USA — Shared Stylesheet
   Design language: industrial americana, corrugated stripe texture lifted
   from the brand mark, condensed signage type, ignition-amber accent.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Work+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@500;700&display=swap');

:root{
  --black:      #0b0b0d;
  --charcoal:   #1a1c20;
  --charcoal-2: #24272c;
  --steel:      #4a4e57;
  --fog:        #d8dadd;
  --fog-2:      #eef0f1;
  --white:      #f7f6f2;
  --red:        #a41f29;
  --red-bright: #c9313c;
  --blue:       #1d3557;
  --blue-bright:#2c5185;
  --amber:      #f2a71b;

  --font-display: 'Oswald', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1180px;
  --radius: 3px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--white);
  color: var(--charcoal);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
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;
  margin: 0;
  letter-spacing: 0.01em;
  line-height: 1.08;
}
p{ margin: 0; }
button{ font-family: inherit; cursor: pointer; }

:focus-visible{
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ---------------- Stripe texture — the signature motif, lifted from the
   logo's corrugated oval background. Used as a divider & section ground. */
.stripes{
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0.06) 0px,
    rgba(0,0,0,0.06) 1px,
    transparent 1px,
    transparent 6px
  );
}
.stripes-dark{
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.05) 0px,
    rgba(255,255,255,0.05) 1px,
    transparent 1px,
    transparent 6px
  );
}
.stripe-rule{
  height: 10px;
  background-image: repeating-linear-gradient(
    to bottom, var(--fog) 0, var(--fog) 1px, transparent 1px, transparent 3px
  );
}

/* ---------------- Eyebrow / kicker ---------------- */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content: '';
  width: 22px;
  height: 2px;
  background: var(--red);
  display: inline-block;
}
.eyebrow.on-dark{ color: var(--amber); }
.eyebrow.on-dark::before{ background: var(--amber); }

/* ---------------- Header / Nav ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 3px solid var(--red);
}
.site-header .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand{
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand img{ height: 40px; width: auto; }
.brand .brand-text{
  display: none;
}
.nav-links{
  display: flex;
  align-items: center;
  gap: 34px;
}
.nav-links a{
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fog);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav-links a:hover,
.nav-links a[aria-current="page"]{
  color: var(--white);
  border-color: var(--red);
}
.nav-cta{
  background: var(--red);
  color: var(--white) !important;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 2px solid transparent !important;
  font-weight: 600;
}
.nav-cta:hover{
  background: var(--red-bright);
  border-color: var(--red-bright) !important;
}
.nav-toggle{
  display: none;
  background: none;
  border: 2px solid var(--steel);
  color: var(--white);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 20px;
  line-height: 1;
}

/* ---------------- Buttons ---------------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  transition: transform .12s ease, background .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn-primary{
  background: var(--red);
  color: var(--white);
}
.btn-primary:hover{ background: var(--red-bright); }
.btn-outline{
  background: transparent;
  color: var(--white);
  border-color: rgba(247,246,242,0.4);
}
.btn-outline:hover{ border-color: var(--white); }
.btn-outline-dark{
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.btn-outline-dark:hover{
  background: var(--charcoal);
  color: var(--white);
}
.btn-block{ width: 100%; }

/* ---------------- Hero ---------------- */
.hero{
  position: relative;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding: 92px 0 0;
}
.hero::before{
  content:'';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to bottom, rgba(255,255,255,0.045) 0, rgba(255,255,255,0.045) 1px, transparent 1px, transparent 7px);
  pointer-events: none;
}
.hero-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
  padding-bottom: 60px;
}
.hero h1{
  font-size: clamp(42px, 5.6vw, 76px);
  margin: 18px 0 22px;
}
.hero h1 span{ color: var(--red-bright); }
.hero p.lede{
  font-size: 18px;
  max-width: 480px;
  color: var(--fog);
  margin-bottom: 34px;
}
.hero-ctas{ display: flex; gap: 16px; flex-wrap: wrap; }

.hero-gauge{
  position: relative;
  justify-self: center;
}

.hero-baseline{
  position: relative;
  border-top: 1px solid rgba(255,255,255,0.12);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hero-baseline .stat{
  padding: 26px 0;
  text-align: left;
  border-left: 1px solid rgba(255,255,255,0.12);
  padding-left: 24px;
}
.hero-baseline .stat:first-child{ border-left: none; padding-left: 0; }
.hero-baseline .num{
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 700;
  color: var(--amber);
}
.hero-baseline .label{
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fog);
  margin-top: 4px;
}

/* ---------------- Sections ---------------- */
section{ padding: 96px 0; }
.section-head{
  max-width: 640px;
  margin-bottom: 52px;
}
.section-head h2{
  font-size: clamp(30px, 4vw, 44px);
  margin-top: 14px;
}
.section-head p{
  font-size: 17px;
  color: var(--steel);
  margin-top: 16px;
}
.section-dark{
  background: var(--charcoal);
  color: var(--white);
}
.section-dark .section-head p{ color: var(--fog); }
.section-fog{ background: var(--fog-2); }

/* ---------------- Process (real sequence: pour, fill, ignite) --------- */
.process{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--fog);
}
.process .step{
  padding: 34px 30px 0;
  border-left: 1px solid var(--fog);
}
.process .step:first-child{ border-left: none; padding-left: 0; }
.process .step .idx{
  font-family: var(--font-mono);
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.process .step h3{
  font-size: 22px;
  margin: 12px 0 10px;
}
.process .step p{ color: var(--steel); font-size: 15px; }

/* ---------------- Cards ---------------- */
.grid-3{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }

.card{
  background: var(--white);
  border: 1px solid var(--fog);
  border-radius: var(--radius);
  padding: 30px;
}
.card h3{ font-size: 19px; margin-bottom: 10px; }
.card p{ color: var(--steel); font-size: 15px; }

/* ---------------- Product bottle (CSS-illustrated label card) ---- */
.bottle-card{
  background: var(--charcoal);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.08);
}
.bottle-art{
  height: 210px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-top: 22px;
  position: relative;
}
.bottle-shape{
  width: 78px;
  height: 168px;
  border-radius: 8px 8px 4px 4px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
}
.bottle-shape::before{
  content:'';
  position: absolute;
  top: -22px; left: 50%;
  transform: translateX(-50%);
  width: 26px; height: 26px;
  background: var(--steel);
  border-radius: 3px;
}
.bottle-shape::after{
  content: attr(data-rating);
  position: absolute;
  left: 50%; top: 58%;
  transform: translate(-50%,-50%);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--white);
  writing-mode: vertical-rl;
  letter-spacing: 0.08em;
}
.bottle-body{
  padding: 24px 24px 28px;
  border-top: 3px solid var(--red);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.bottle-body .tag{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
}
.bottle-body h3{ font-size: 20px; margin-bottom: 10px; }
.bottle-body p{ color: var(--fog); font-size: 14px; flex: 1; }
.bottle-body .specs{
  display: flex;
  gap: 18px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-family: var(--font-mono);
  font-size: 12px;
}
.bottle-body .specs strong{ display:block; color: var(--white); font-size: 15px; }
.bottle-body .specs span{ color: var(--fog); }

/* variant color chips used on bottle-shape */
.variant-blue{ background: linear-gradient(180deg, var(--blue-bright), var(--blue) 55%, var(--black) 55%); }
.variant-red{ background: linear-gradient(180deg, var(--red-bright), var(--red) 55%, var(--black) 55%); }
.variant-amber{ background: linear-gradient(180deg, #ffbf47, var(--amber) 55%, var(--black) 55%); }
.variant-steel{ background: linear-gradient(180deg, #6b707c, var(--steel) 55%, var(--black) 55%); }

/* ---------------- Trust bar ---------------- */
.trust-bar{
  border-top: 1px solid var(--fog);
  border-bottom: 1px solid var(--fog);
  padding: 26px 0;
}
.trust-bar .wrap{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
}
.trust-item{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  display: flex;
  align-items: center;
  gap: 8px;
}
.trust-item::before{
  content: '';
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  display: inline-block;
}

/* ---------------- CTA band ---------------- */
.cta-band{
  background: var(--red);
  color: var(--white);
  padding: 64px 0;
}
.cta-band .wrap{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-band h2{ font-size: clamp(26px, 3.4vw, 38px); max-width: 560px; }

/* ---------------- Footer ---------------- */
.site-footer{
  background: var(--black);
  color: var(--fog);
  padding: 64px 0 28px;
}
.footer-grid{
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-grid img{ height: 34px; margin-bottom: 16px; }
.footer-grid p{ font-size: 14px; color: var(--steel); }
.footer-col h4{
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--white);
  margin-bottom: 16px;
}
.footer-col ul li{ margin-bottom: 10px; }
.footer-col ul a{
  font-size: 14px;
  color: var(--fog);
}
.footer-col ul a:hover{ color: var(--amber); }
.footer-bottom{
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--steel);
  font-family: var(--font-mono);
}

/* ---------------- Page header (interior pages) ---------------- */
.page-hero{
  background: var(--charcoal);
  color: var(--white);
  padding: 64px 0 46px;
  border-bottom: 4px solid var(--red);
}
.page-hero .eyebrow{ margin-bottom: 14px; }
.page-hero h1{ font-size: clamp(34px, 5vw, 52px); }
.page-hero p{ color: var(--fog); max-width: 560px; margin-top: 16px; font-size: 16px; }

/* ---------------- About page specifics ---------------- */
.stat-row{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  border-top: 1px solid var(--fog);
  border-bottom: 1px solid var(--fog);
  padding: 40px 0;
}
.stat-row .stat{ text-align: left; }
.stat-row .num{
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  color: var(--red);
}
.stat-row .label{
  font-size: 13px;
  color: var(--steel);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 6px;
}
.value-list{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.value-list .item{
  padding: 26px 0 26px 22px;
  border-left: 3px solid var(--red);
}
.value-list h3{ font-size: 18px; margin-bottom: 8px; }
.value-list p{ color: var(--steel); font-size: 15px; }

.timeline{
  border-left: 2px solid var(--fog);
  margin-left: 6px;
}
.timeline .entry{
  position: relative;
  padding: 0 0 40px 34px;
}
.timeline .entry:last-child{ padding-bottom: 0; }
.timeline .entry::before{
  content:'';
  position: absolute;
  left: -7px; top: 2px;
  width: 12px; height: 12px;
  background: var(--red);
  border-radius: 50%;
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--fog);
}
.timeline .yr{
  font-family: var(--font-mono);
  color: var(--red);
  font-weight: 700;
  font-size: 14px;
}
.timeline h3{ font-size: 18px; margin: 6px 0 8px; }
.timeline p{ color: var(--steel); font-size: 15px; }

.plant-plate{
  background: var(--charcoal);
  border-radius: var(--radius);
  padding: 40px;
  color: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}
.plant-plate .addr{
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fog);
  line-height: 1.8;
}
.plant-plate h3{ font-size: 22px; margin-bottom: 14px; }

/* ---------------- Products page filter/grid ---------------- */
.filter-row{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.filter-chip{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 16px;
  border: 1px solid var(--fog);
  border-radius: 999px;
  background: var(--white);
  color: var(--steel);
  transition: all .15s ease;
}
.filter-chip.is-active,
.filter-chip:hover{
  background: var(--charcoal);
  color: var(--white);
  border-color: var(--charcoal);
}
.compat-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compat-table th, .compat-table td{
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--fog);
}
.compat-table th{
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel);
}
.compat-table td strong{ color: var(--charcoal); }
.check{ color: var(--red); font-weight: 700; }

/* ---------------- Contact page ---------------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.field{
  margin-bottom: 20px;
}
.field label{
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea{
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--fog);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--white);
  color: var(--charcoal);
}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(164,31,41,0.12);
}
.field textarea{ resize: vertical; min-height: 120px; }

.map-plate{
  background: var(--charcoal);
  border-radius: var(--radius);
  height: 260px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 26px;
}
.map-plate::before{
  content:'';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}
.map-pin{
  position: relative;
  width: 26px; height: 26px;
  background: var(--red);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 0 0 6px rgba(164,31,41,0.22);
}

.info-list{ margin-top: 8px; }
.info-list .row{
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--fog);
}
.info-list .row:last-child{ border-bottom: none; }
.info-list .k{
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--steel);
  width: 130px;
  flex-shrink: 0;
  padding-top: 2px;
}
.info-list .v{ font-size: 15px; }
.info-list .v a{ color: var(--red); font-weight: 600; }

.faq-item{
  border-bottom: 1px solid var(--fog);
  padding: 20px 0;
}
.faq-item h3{
  font-family: var(--font-display);
  font-size: 17px;
  text-transform: none;
  letter-spacing: 0;
}
.faq-item p{ color: var(--steel); font-size: 15px; margin-top: 10px; }

/* ---------------- Form status banner ---------------- */
.form-note{
  font-size: 13px;
  color: var(--steel);
  margin-top: 12px;
}
.form-success{
  display: none;
  background: var(--fog-2);
  border-left: 3px solid var(--red);
  padding: 16px 18px;
  font-size: 14px;
  margin-bottom: 20px;
  border-radius: var(--radius);
}
.form-success.is-visible{ display: block; }

/* ---------------- Responsive ---------------- */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-gauge{ display: none; }
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .stat-row{ grid-template-columns: 1fr 1fr; }
  .value-list{ grid-template-columns: 1fr; }
  .plant-plate{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .nav-links{
    position: fixed;
    top: 76px; left: 0; right: 0;
    background: var(--black);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 28px 30px;
    gap: 18px;
    border-bottom: 3px solid var(--red);
    display: none;
  }
  .nav-links.is-open{ display: flex; }
  .nav-toggle{ display: inline-flex; align-items: center; justify-content: center; }
  .process{ grid-template-columns: 1fr; }
  .process .step{ border-left: none; border-top: 1px solid var(--fog); padding: 30px 0 0; }
  .process .step:first-child{ border-top: none; }
  .grid-3{ grid-template-columns: 1fr; }
  .hero-baseline{ grid-template-columns: 1fr; }
  .hero-baseline .stat{ border-left: none; border-top: 1px solid rgba(255,255,255,0.12); padding-left: 0; padding-top: 20px; }
  .hero-baseline .stat:first-child{ border-top: none; }
  .stat-row{ grid-template-columns: 1fr 1fr; }
  section{ padding: 64px 0; }
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
}