:root {
  --green: #064c3b;
  --green-dark: #03382c;
  --green-soft: #0e6650;
  --maroon: #5b2327;
  --maroon-bright: #7b2e34;
  --ink: #17201d;
  --muted: #5d6662;
  --cream: #f7f4ee;
  --sand: #e9e2d7;
  --line: #ddd7ce;
  --white: #fff;
  --shadow: 0 20px 60px rgba(6, 76, 59, .12);
  --radius: 18px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 110px 0; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 1000;
  background: var(--white);
  color: var(--green);
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 700;
  transition: top .2s ease;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 82px;
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(6,76,59,.12);
  backdrop-filter: blur(14px);
  box-shadow: 0 5px 24px rgba(3,56,44,.05);
}
.nav-shell { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: block; flex: 0 0 auto; width: 250px; }
.brand img { width: 100%; height: 58px; object-fit: contain; object-position: left center; }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a {
  text-decoration: none;
  color: var(--green-dark);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .075em;
  text-transform: uppercase;
  transition: color .2s ease;
}
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--maroon); }
.primary-nav .nav-cta {
  color: var(--white);
  background: var(--maroon);
  padding: 12px 19px;
  border-radius: 999px;
  box-shadow: 0 8px 22px rgba(91,35,39,.22);
}
.primary-nav .nav-cta:hover { color: var(--white); background: var(--maroon-bright); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; border-radius: 50%; background: var(--cream); padding: 11px; }
.menu-toggle span { display: block; height: 2px; background: var(--green); margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  min-height: 820px;
  padding: 155px 0 95px;
  background: var(--green);
  color: var(--white);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  right: -270px;
  top: -160px;
  border: 110px solid rgba(255,255,255,.035);
  border-radius: 50%;
}
.hero::after {
  content: "";
  position: absolute;
  left: -130px;
  bottom: -230px;
  width: 520px;
  height: 520px;
  background: var(--maroon);
  opacity: .34;
  transform: rotate(18deg);
  border-radius: 80px;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: .07;
  background-image:
    linear-gradient(rgba(255,255,255,.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.8) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to right, #000, transparent 74%);
}
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.18fr .82fr; gap: 72px; align-items: center; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--maroon);
  font-size: .77rem;
  font-weight: 800;
  letter-spacing: .2em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
}
.eyebrow::before { content: ""; width: 38px; height: 2px; background: currentColor; }
.eyebrow.light { color: #dcc2c4; }
h1, h2, h3 { font-family: "Barlow Condensed", "Arial Narrow", sans-serif; margin-top: 0; }
.hero h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(4rem, 7.5vw, 6.8rem);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.02em;
}
.hero h1 span { color: #d0a7aa; display: block; }
.hero-text { max-width: 650px; color: rgba(255,255,255,.76); font-size: 1.08rem; line-height: 1.8; margin: 0 0 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  border: 2px solid transparent;
  border-radius: 999px;
  padding: 12px 25px;
  text-decoration: none;
  font-weight: 800;
  font-size: .83rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--maroon); color: var(--white); box-shadow: 0 12px 28px rgba(39,15,17,.25); }
.button-primary:hover { background: var(--maroon-bright); }
.button-ghost { color: var(--white); border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.03); }
.button-ghost:hover { border-color: var(--white); background: rgba(255,255,255,.09); }
.button-light { background: var(--white); color: var(--green); }
.button-light:hover { background: var(--cream); }
.button-outline-dark { background: transparent; border-color: var(--line); color: var(--green); }
.button-outline-dark:hover { border-color: var(--green); }
.hero-highlights { margin-top: 48px; display: flex; gap: 0; max-width: 720px; border-top: 1px solid rgba(255,255,255,.18); padding-top: 24px; }
.hero-highlights div { flex: 1; padding-right: 20px; }
.hero-highlights div + div { border-left: 1px solid rgba(255,255,255,.16); padding-left: 24px; }
.hero-highlights strong { display: block; font-family: "Barlow Condensed", sans-serif; font-size: 1.45rem; }
.hero-highlights span { color: rgba(255,255,255,.55); font-size: .78rem; }
.hero-card {
  position: relative;
  padding: 38px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius);
  box-shadow: 0 28px 80px rgba(0,0,0,.18);
  backdrop-filter: blur(12px);
}
.hero-card::after { content: ""; position: absolute; inset: 14px -14px -14px 14px; border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius); z-index: -1; }
.hero-card-top { display: flex; justify-content: space-between; align-items: start; gap: 15px; }
.hero-card-kicker { color: #dcc2c4; font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.hero-card-number { color: rgba(255,255,255,.16); font-family: "Barlow Condensed", sans-serif; font-size: 4rem; font-weight: 800; line-height: .8; }
.hero-card h2 { font-size: 2.35rem; line-height: 1.05; margin: 10px 0 26px; }
.check-list { list-style: none; margin: 0 0 28px; padding: 0; }
.check-list li { position: relative; padding: 12px 0 12px 31px; color: rgba(255,255,255,.78); border-bottom: 1px solid rgba(255,255,255,.1); }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #d8b7ba; font-weight: 800; }
.text-link { color: var(--green); text-decoration: none; font-weight: 800; font-size: .87rem; }
.hero-card .text-link { color: var(--white); }
.text-link span { margin-left: 6px; transition: margin-left .2s ease; }
.text-link:hover span { margin-left: 10px; }
.hero-edge { position: absolute; inset: auto 0 0; height: 10px; background: var(--maroon); }

.brand-strip { background: var(--cream); border-bottom: 1px solid var(--line); }
.brand-strip-inner { min-height: 84px; display: flex; align-items: center; justify-content: center; gap: 34px; color: var(--green); font-family: "Barlow Condensed", sans-serif; font-size: 1.02rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.brand-strip i { width: 5px; height: 5px; border-radius: 50%; background: var(--maroon); }

.split-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 90px; align-items: start; }
.section-heading h2, .section-intro h2, .process-copy h2, .lubricants-copy h2, .contact-copy h2 {
  margin-bottom: 0;
  color: var(--green);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  line-height: .98;
}
.about-copy { padding-top: 10px; }
.about-copy p { color: var(--muted); margin: 0 0 18px; }
.about-copy .lead { color: var(--ink); font-size: 1.25rem; line-height: 1.65; }
.about-note { margin-top: 34px; padding: 24px; border-left: 5px solid var(--maroon); background: var(--cream); border-radius: 0 12px 12px 0; }
.about-note strong { display: block; color: var(--green); margin-bottom: 4px; }
.about-note span { color: var(--muted); font-size: .94rem; }

.services { background: var(--cream); }
.section-intro { max-width: 790px; margin-bottom: 56px; }
.section-intro.centered { text-align: center; margin-inline: auto; }
.section-intro.centered .eyebrow { justify-content: center; }
.section-intro p:last-child { color: var(--muted); max-width: 660px; margin: 18px auto 0; }
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  position: relative;
  min-height: 390px;
  padding: 38px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card:hover { transform: translateY(-7px); box-shadow: var(--shadow); border-color: rgba(6,76,59,.32); }
.service-card.featured { background: var(--green); border-color: var(--green); color: var(--white); }
.service-card.featured p, .service-card.featured li { color: rgba(255,255,255,.72); }
.service-card.featured h3 { color: var(--white); }
.service-card.featured .service-icon { background: var(--maroon); color: var(--white); }
.service-card.featured .service-number { color: rgba(255,255,255,.08); }
.service-number { position: absolute; right: 24px; top: 18px; font-family: "Barlow Condensed", sans-serif; font-size: 5rem; font-weight: 800; color: rgba(6,76,59,.06); }
.service-icon { width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; background: rgba(6,76,59,.08); color: var(--green); margin-bottom: 28px; }
.service-icon svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.service-card h3 { color: var(--green); font-size: 1.9rem; margin-bottom: 11px; }
.service-card p { color: var(--muted); font-size: .94rem; }
.service-card ul { list-style: none; padding: 0; margin: 22px 0 0; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px 18px; }
.service-card li { color: var(--muted); font-size: .82rem; padding-left: 15px; position: relative; }
.service-card li::before { content: ""; position: absolute; left: 0; top: .62em; width: 5px; height: 5px; background: var(--maroon); border-radius: 50%; }

.process { background: var(--maroon); color: var(--white); }
.process-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: center; }
.process-copy h2 { color: var(--white); }
.process-copy > p:not(.eyebrow) { color: rgba(255,255,255,.7); margin: 22px 0 30px; }
.process-steps { list-style: none; padding: 0; margin: 0; }
.process-steps li { display: grid; grid-template-columns: 58px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid rgba(255,255,255,.16); }
.process-steps li:first-child { border-top: 1px solid rgba(255,255,255,.16); }
.process-steps > li > span { font-family: "Barlow Condensed", sans-serif; font-weight: 800; font-size: 1.8rem; color: rgba(255,255,255,.3); }
.process-steps strong { display: block; font-family: "Barlow Condensed", sans-serif; font-size: 1.45rem; }
.process-steps p { margin: 3px 0 0; color: rgba(255,255,255,.65); font-size: .9rem; }

.lubricants { background: var(--green-dark); color: var(--white); position: relative; overflow: hidden; }
.lubricants::before { content: ""; position: absolute; right: -160px; bottom: -250px; width: 650px; height: 650px; border-radius: 50%; border: 100px solid rgba(255,255,255,.025); }
.lubricants-layout { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; gap: 90px; align-items: center; }
.lubricants-copy h2 { color: var(--white); }
.lubricants-copy > p:not(.eyebrow):not(.trademark-note) { color: rgba(255,255,255,.72); font-size: 1.02rem; margin: 22px 0; }
.lube-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 30px; }
.light-link { color: var(--white); }
.trademark-note { color: rgba(255,255,255,.42); font-size: .7rem; line-height: 1.55; margin-top: 30px; max-width: 680px; }
.lube-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.lube-grid article { min-height: 190px; padding: 26px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.13); border-radius: 16px; transition: transform .2s ease, background .2s ease; }
.lube-grid article:hover { transform: translateY(-4px); background: rgba(255,255,255,.1); }
.lube-grid span { color: #d4b0b3; font-family: "Barlow Condensed", sans-serif; font-size: 1.2rem; font-weight: 800; }
.lube-grid h3 { font-size: 1.65rem; margin: 22px 0 8px; }
.lube-grid p { margin: 0; color: rgba(255,255,255,.62); font-size: .86rem; }

.why-us { background: var(--white); }
.why-us .section-intro { max-width: 880px; }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.value-grid article { background: var(--white); padding: 36px 28px; transition: background .2s ease; }
.value-grid article:hover { background: var(--cream); }
.value-grid strong { color: var(--maroon); font-family: "Barlow Condensed", sans-serif; font-size: 2.6rem; }
.value-grid h3 { color: var(--green); font-size: 1.5rem; margin: 22px 0 8px; }
.value-grid p { color: var(--muted); font-size: .87rem; margin: 0; }

.contact { background: var(--cream); }
.contact-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 82px; align-items: start; }
.contact-copy { background: var(--green); color: var(--white); padding: 48px; border-radius: var(--radius); position: sticky; top: 112px; overflow: hidden; }
.contact-copy::after { content: ""; position: absolute; width: 220px; height: 220px; right: -100px; bottom: -100px; border-radius: 50%; background: var(--maroon); opacity: .35; }
.contact-copy h2 { color: var(--white); position: relative; z-index: 1; }
.contact-copy > p:not(.eyebrow) { color: rgba(255,255,255,.72); position: relative; z-index: 1; }
.contact-methods { margin-top: 36px; position: relative; z-index: 1; }
.contact-methods a { display: flex; align-items: center; gap: 15px; color: var(--white); text-decoration: none; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.15); }
.contact-icon { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; background: var(--maroon); font-weight: 800; }
.contact-methods small { display: block; color: rgba(255,255,255,.5); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; }
.contact-methods strong { font-size: .92rem; }
.quote-form { padding: 46px; background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 20px 55px rgba(6,76,59,.08); }
.form-heading span { color: var(--maroon); font-size: .73rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.form-heading h3 { color: var(--green); font-size: 2.2rem; margin: 4px 0 28px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { margin-bottom: 19px; }
.field label { display: block; color: var(--green-dark); margin-bottom: 7px; font-size: .76rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 10px;
  padding: 13px 14px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--green); box-shadow: 0 0 0 4px rgba(6,76,59,.09); }
.form-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.form-note { color: var(--muted); font-size: .73rem; margin: 15px 0 0; }

.site-footer { background: #10201a; color: var(--white); padding: 56px 0 22px; }
.footer-main { display: grid; grid-template-columns: 1.25fr .8fr 1fr; gap: 60px; align-items: center; padding-bottom: 35px; }
.footer-brand { display: inline-block; width: 255px; padding: 7px 10px; border-radius: 7px; background: var(--white); }
.footer-brand img { width: 100%; }
.footer-contact { display: flex; flex-direction: column; gap: 7px; }
.footer-contact a, .footer-nav a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .84rem; }
.footer-contact a:hover, .footer-nav a:hover { color: var(--white); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: flex-end; }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.38); font-size: .72rem; }

.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: #25d366; color: var(--white); box-shadow: 0 14px 34px rgba(0,0,0,.23); transition: transform .2s ease; }
.whatsapp-float:hover { transform: translateY(-4px) scale(1.03); }
.whatsapp-float svg { width: 29px; height: 29px; fill: currentColor; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .site-header { height: 74px; }
  .brand { width: 210px; }
  .brand img { height: 52px; }
  .menu-toggle { display: block; position: relative; z-index: 102; }
  .primary-nav {
    position: fixed;
    inset: 74px 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px 20px 26px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 34px rgba(3,56,44,.12);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform .25s ease, opacity .2s ease;
  }
  .primary-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .primary-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); }
  .primary-nav .nav-cta { margin-top: 12px; text-align: center; border-bottom: 0; }
  .hero { min-height: auto; padding: 128px 0 80px; }
  .hero-layout, .split-layout, .process-layout, .lubricants-layout, .contact-layout { grid-template-columns: 1fr; gap: 52px; }
  .hero-card { max-width: 620px; }
  .section { padding: 88px 0; }
  .services-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-copy { position: static; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-column: 1 / -1; justify-content: flex-start; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .hero { padding-top: 116px; }
  .hero h1 { font-size: clamp(3.3rem, 16vw, 4.8rem); }
  .hero-card { padding: 28px 24px; }
  .hero-card::after { display: none; }
  .hero-highlights { display: grid; grid-template-columns: 1fr; gap: 12px; }
  .hero-highlights div, .hero-highlights div + div { border: 0; padding: 0; }
  .brand-strip-inner { min-height: 96px; flex-wrap: wrap; gap: 10px 18px; padding: 18px 0; }
  .section { padding: 72px 0; }
  .section-heading h2, .section-intro h2, .process-copy h2, .lubricants-copy h2, .contact-copy h2 { font-size: clamp(2.55rem, 12vw, 3.5rem); }
  .service-card { padding: 30px 25px; }
  .service-card ul { grid-template-columns: 1fr; }
  .lube-grid, .value-grid { grid-template-columns: 1fr; }
  .contact-copy, .quote-form { padding: 30px 24px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-actions { flex-direction: column; }
  .form-actions .button { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-nav { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .whatsapp-float { width: 52px; height: 52px; right: 15px; bottom: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
