:root {
  --ink: #122019;
  --forest: #102d22;
  --forest-2: #183e2f;
  --lime: #d5f05b;
  --amber: #f5a623;
  --sand: #f3f0e7;
  --paper: #fbfcf8;
  --muted: #667168;
  --line: #dce2da;
  --white: #fff;
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Inter, Arial, Helvetica, sans-serif; text-rendering: optimizeLegibility; }
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.container { width: min(1200px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; }
h1, h2, h3 { margin: 0; font-family: Arial, Helvetica, sans-serif; letter-spacing: -.045em; }
h1 { font-size: clamp(52px, 6.3vw, 94px); line-height: .95; }
h2 { font-size: clamp(38px, 4.5vw, 64px); line-height: 1; }
h3 { font-size: 29px; line-height: 1.06; }
p { line-height: 1.65; }
.eyebrow { margin: 0 0 19px; color: #55705f; font-size: 11px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.light { color: var(--lime); }

.site-header { position: sticky; z-index: 50; top: 0; height: 78px; background: rgba(251,252,248,.94); border-bottom: 1px solid rgba(18,32,25,.1); backdrop-filter: blur(16px); }
.header-row { height: 100%; display: flex; align-items: center; gap: 38px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.brand-mark { width: 39px; height: 39px; display: grid; place-items: center; border-radius: 12px 12px 15px 15px; background: var(--lime); color: var(--forest); transform: rotate(3deg); }
.brand-mark svg { width: 23px; height: 23px; }
.brand > span:last-child { display: grid; }
.brand strong { font-size: 16px; letter-spacing: .08em; }
.brand small { margin-top: 2px; color: #728076; font-size: 9px; font-weight: 900; letter-spacing: .24em; }
.main-nav { margin-left: auto; display: flex; gap: 27px; color: #3d4a42; font-size: 13px; font-weight: 750; }
.main-nav a { padding: 28px 0 24px; border-bottom: 3px solid transparent; }
.main-nav a:hover { border-color: var(--amber); color: var(--forest); }
.header-phone { display: grid; justify-items: end; color: var(--forest); font-size: 16px; font-weight: 900; }
.header-phone span { margin-bottom: 3px; color: #718078; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }

.hero { position: relative; min-height: 790px; overflow: hidden; background: #0c261d; color: var(--white); }
.hero-bg, .hero-overlay { position: absolute; inset: 0; }
.hero-bg { background: url("images/fuel-hero.png") center right / cover no-repeat; }
.hero-overlay { background: linear-gradient(90deg, rgba(8,26,20,.98) 0%, rgba(8,26,20,.88) 44%, rgba(8,26,20,.14) 78%), linear-gradient(0deg, rgba(8,26,20,.95), transparent 48%); }
.hero-content { position: relative; z-index: 2; padding-top: 82px; }
.hero h1 { max-width: 990px; }
.hero h1 span { color: var(--lime); }
.hero-lead { max-width: 680px; margin: 28px 0 31px; color: #d6e0d9; font-size: 18px; }
.hero-actions { display: flex; gap: 12px; }
.button { min-height: 56px; padding: 0 25px; border: 1px solid transparent; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: 14px; font-weight: 900; transition: transform .2s ease, filter .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); filter: brightness(1.04); }
.button-primary { background: var(--lime); color: var(--forest); box-shadow: 0 18px 40px rgba(213,240,91,.17); }
.button-ghost { border-color: rgba(255,255,255,.32); background: rgba(255,255,255,.06); color: var(--white); }
.hero-meta { position: absolute; z-index: 3; left: 20px; right: 20px; bottom: 42px; margin-inline: auto; width: min(1160px, calc(100% - 40px)); display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid rgba(255,255,255,.17); border-radius: 18px; background: rgba(10,31,24,.78); backdrop-filter: blur(16px); }
.hero-meta > div { padding: 22px 27px; display: grid; gap: 7px; }
.hero-meta > div + div { border-left: 1px solid rgba(255,255,255,.15); }
.hero-meta strong { color: var(--white); font-size: 15px; }
.hero-meta span { color: #9fb0a7; font-size: 12px; }

.split-heading { display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: end; }
.split-heading > p { margin: 0; color: var(--muted); font-size: 16px; }
.solution-grid { margin-top: 55px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.solution-card { position: relative; min-height: 420px; padding: 32px; overflow: hidden; border-radius: var(--radius); display: flex; flex-direction: column; }
.solution-card.dark { background: var(--forest); color: var(--white); }
.solution-card.accent { background: var(--lime); color: var(--forest); }
.solution-card.light { border: 1px solid var(--line); background: var(--white); }
.solution-card::after { content: ""; position: absolute; width: 240px; height: 240px; right: -100px; bottom: -110px; border: 1px solid currentColor; border-radius: 50%; opacity: .16; }
.card-index { align-self: flex-end; color: currentColor; opacity: .35; font-size: 34px; font-weight: 900; }
.card-tag { margin: 42px 0 10px; color: currentColor; opacity: .66; font-size: 10px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.solution-card > p:not(.card-tag) { color: currentColor; opacity: .72; font-size: 14px; }
.solution-card button { position: relative; z-index: 2; margin-top: auto; padding: 0; display: flex; align-items: center; gap: 9px; border: 0; background: transparent; font-size: 13px; font-weight: 900; text-align: left; cursor: pointer; }
.solution-card button svg { width: 18px; }

.section-heading { margin-bottom: 50px; display: grid; grid-template-columns: 1fr .85fr; gap: 90px; align-items: end; }
.section-heading > p { margin: 0; color: var(--muted); }
.catalog-section { background: var(--sand); }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.product-card { position: relative; min-height: 440px; padding: 30px; overflow: hidden; border: 1px solid #d8ded4; border-radius: var(--radius); background: var(--white); text-align: left; cursor: pointer; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.product-card:hover { transform: translateY(-5px); border-color: #aebd80; box-shadow: 0 24px 50px rgba(18,32,25,.11); }
.product-card::after { content: ""; position: absolute; width: 170px; height: 170px; right: -70px; top: -75px; border-radius: 50%; background: rgba(213,240,91,.32); }
.product-number { position: relative; z-index: 2; display: block; color: #b9c1b8; font-size: 28px; font-weight: 900; text-align: right; }
.product-card .card-tag { margin-top: 32px; }
.product-card h3 { max-width: 280px; color: var(--forest); }
.product-card > p:not(.card-tag) { min-height: 72px; margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.product-card ul { margin: 23px 0 80px; padding: 0; list-style: none; }
.product-card li { margin: 10px 0; display: flex; gap: 9px; color: #48554d; font-size: 13px; line-height: 1.45; }
.product-card li svg { width: 17px; height: 17px; flex: 0 0 auto; color: #82951d; }
.product-action { position: absolute; left: 30px; right: 30px; bottom: 27px; padding-top: 19px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--forest); font-size: 12px; }
.product-action > span { display: flex; align-items: center; gap: 7px; color: #71830f; font-weight: 900; }
.product-action svg { width: 16px; }

.feature-section { background: var(--white); }
.feature-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 75px; align-items: center; }
.feature-copy > p:not(.eyebrow) { margin: 24px 0; color: var(--muted); font-size: 16px; }
.feature-points { margin: 34px 0; border-top: 1px solid var(--line); }
.feature-points > div { padding: 21px 0; display: grid; grid-template-columns: 38px 1fr; column-gap: 16px; border-bottom: 1px solid var(--line); }
.feature-points > div > span { grid-row: 1 / 3; color: #879619; font-size: 11px; font-weight: 900; }
.feature-points strong { color: var(--forest); }
.feature-points p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.feature-image, .image-panel { overflow: hidden; border-radius: 28px; background: var(--forest); box-shadow: 0 28px 70px rgba(14,38,29,.14); }
.feature-image { height: 720px; }
.feature-image img, .image-panel img { width: 100%; height: 100%; object-fit: cover; }
.delivery-image img { object-position: 64% center; }
.button-dark { background: var(--forest); color: var(--white); }

.section-dark { background: var(--forest); color: var(--white); }
.image-feature { display: grid; grid-template-columns: 1.05fr .95fr; gap: 78px; align-items: center; }
.image-panel { height: 580px; }
.light-copy > p:not(.eyebrow) { color: #b9c8bf; }
.check-list { margin: 30px 0 34px; padding: 0; list-style: none; }
.check-list li { padding: 15px 0; display: flex; gap: 13px; align-items: flex-start; border-top: 1px solid rgba(255,255,255,.13); color: #cbd6cf; line-height: 1.55; }
.check-list li:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.check-list svg { flex: 0 0 auto; color: var(--lime); }
.check-list strong { color: var(--white); }

.tank-section { background: #f6f7f2; }
.image-feature.reverse { grid-template-columns: .95fr 1.05fr; }
.image-feature.reverse .image-panel { order: 2; }
.metric-grid { margin: 32px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric-grid > div { min-height: 125px; padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: var(--white); }
.metric-grid strong, .metric-grid span { display: block; }
.metric-grid strong { color: var(--forest); }
.metric-grid span { margin-top: 10px; color: var(--muted); font-size: 12px; line-height: 1.5; }

.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.industry-grid article { min-height: 250px; padding: 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--white); }
.industry-grid article > span { color: #879619; font-size: 11px; font-weight: 900; }
.industry-grid h3 { margin-top: 44px; color: var(--forest); font-size: 25px; }
.industry-grid p { margin: 12px 0 0; color: var(--muted); font-size: 13px; }

.process-section { background: var(--sand); }
.process-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.process-layout > div:first-child > p:not(.eyebrow) { max-width: 440px; color: var(--muted); }
.step-list { border-top: 1px solid #ccd3c8; }
.step-list > div { padding: 25px 0; display: grid; grid-template-columns: 54px 1fr; gap: 18px; border-bottom: 1px solid #ccd3c8; }
.step-list > div > span { color: #879619; font-size: 12px; font-weight: 900; }
.step-list h3 { font-size: 21px; }
.step-list p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }

.payment-section { padding: 0 0 104px; background: var(--sand); }
.payment-panel { padding: 50px 54px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; border-radius: 26px; background: linear-gradient(135deg, #163b2c, #0c291f); color: var(--white); }
.payment-heading h2 { max-width: 470px; font-size: clamp(34px, 4vw, 54px); }
.payment-options { display: grid; align-content: center; }
.payment-options article { padding: 20px 0; display: grid; grid-template-columns: 40px 1fr; gap: 16px; border-top: 1px solid rgba(255,255,255,.14); }
.payment-options article:nth-child(2) { border-bottom: 1px solid rgba(255,255,255,.14); }
.payment-options article > span { color: var(--lime); font-size: 11px; font-weight: 900; }
.payment-options strong { font-size: 18px; }
.payment-options p { margin: 6px 0 0; color: #b9c8bf; font-size: 13px; }
.payment-note { margin-top: 16px !important; color: var(--lime) !important; font-size: 12px !important; font-weight: 800; }

.documents-section { padding-top: 0; background: var(--sand); }
.documents-panel { padding: 54px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; border-radius: 26px; background: linear-gradient(135deg, #102d22, #1b4535); color: var(--white); }
.documents-panel h2 { font-size: clamp(34px, 4vw, 54px); }
.documents-panel p:not(.eyebrow) { color: #b7c8be; }
.documents-panel ul { margin: 0; padding: 0; list-style: none; align-self: center; }
.documents-panel li { padding: 15px 0; display: flex; gap: 12px; border-top: 1px solid rgba(255,255,255,.13); color: #d6e1da; }
.documents-panel li:last-child { border-bottom: 1px solid rgba(255,255,255,.13); }
.documents-panel li svg { color: var(--lime); }

.faq-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; }
.faq-layout details { border-top: 1px solid var(--line); }
.faq-layout details:last-child { border-bottom: 1px solid var(--line); }
.faq-layout summary { padding: 23px 0; display: flex; justify-content: space-between; gap: 25px; list-style: none; cursor: pointer; color: var(--forest); font-size: 17px; font-weight: 850; }
.faq-layout summary::-webkit-details-marker { display: none; }
.faq-layout summary span { color: #879619; font-size: 24px; font-weight: 400; transition: transform .2s ease; }
.faq-layout details[open] summary span { transform: rotate(45deg); }
.faq-layout details p { margin: -3px 45px 23px 0; color: var(--muted); font-size: 14px; }

.request-section { background: #091b14; color: var(--white); }
.request-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; align-items: start; }
.request-copy { position: sticky; top: 120px; }
.request-copy > p:not(.eyebrow) { color: #b4c4ba; }
.contact-stack { margin-top: 38px; border-top: 1px solid rgba(255,255,255,.13); }
.contact-stack a { padding: 18px 0; display: grid; gap: 5px; border-bottom: 1px solid rgba(255,255,255,.13); font-size: 17px; font-weight: 850; }
.contact-stack a span { color: #7f9287; font-size: 9px; letter-spacing: .13em; text-transform: uppercase; }
.request-form { padding: 34px; display: grid; gap: 15px; border-radius: 22px; background: var(--white); color: var(--ink); }
.request-form.compact { padding: 0; }
.request-form label { display: grid; gap: 7px; color: #526057; font-size: 11px; font-weight: 800; }
.request-form input, .request-form select, .request-form textarea { width: 100%; border: 1px solid #dbe1d9; border-radius: 10px; background: #fafbf8; color: var(--ink); outline: none; }
.request-form input, .request-form select { height: 48px; padding: 0 13px; }
.request-form textarea { padding: 12px 13px; resize: vertical; }
.request-form input:focus, .request-form select:focus, .request-form textarea:focus { border-color: #9bae33; box-shadow: 0 0 0 4px rgba(213,240,91,.18); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.request-form .consent { display: flex; align-items: flex-start; gap: 9px; font-weight: 550; }
.request-form .consent input { width: 17px; height: 17px; flex: 0 0 auto; }
.button-wide { width: 100%; }
.form-note { margin: 0; color: #849087; font-size: 10px; text-align: center; }
.website-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.modal-backdrop { position: fixed; z-index: 100; inset: 0; padding: 20px; display: grid; place-items: center; background: rgba(4,17,12,.82); backdrop-filter: blur(10px); }
.modal-backdrop[hidden] { display: none; }
.lead-modal { position: relative; width: min(690px, 100%); max-height: calc(100vh - 40px); overflow: auto; padding: 40px; border-radius: 24px; background: var(--white); box-shadow: 0 36px 100px rgba(0,0,0,.42); }
.lead-modal h2 { padding-right: 34px; color: var(--forest); font-size: 38px; }
.modal-intro { margin: 14px 0 25px; color: var(--muted); font-size: 13px; }
.modal-close { position: absolute; top: 17px; right: 19px; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--sand); color: var(--forest); font-size: 29px; cursor: pointer; }

.quick-request { padding: 78px 0; background: var(--forest); color: var(--white); }
.quick-row { display: flex; align-items: center; justify-content: space-between; gap: 50px; }
.quick-row h2 { max-width: 820px; font-size: clamp(36px, 4vw, 56px); }
.quick-row .button { flex: 0 0 auto; }

.site-footer { padding: 60px 0 26px; background: #071710; color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 1.4fr .75fr 1fr; gap: 55px; }
.footer-grid h3 { margin: 7px 0 20px; color: var(--lime); font-size: 12px; letter-spacing: .08em; }
.footer-grid > div > a, .footer-grid > div > span { margin-bottom: 11px; display: block; color: #aebdb4; font-size: 13px; }
.footer-row { display: grid; grid-template-columns: 1.5fr .75fr 1fr; gap: 50px; }
.footer-brand { display: block; }
.footer-brand .brand { display: inline-flex; }
.footer-brand strong { display: block; margin-top: 5px; letter-spacing: .08em; }
.footer-brand p { max-width: 370px; margin: 10px 0 0; color: #89998f; font-size: 13px; }
.footer-row > div > span:not(.brand-mark) { display: block; margin-bottom: 12px; color: #788b80; font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.footer-row > div > a { color: #d6e0d9; font-size: 15px; font-weight: 800; }
.footer-bottom { margin-top: 42px; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.1); color: #708177; font-size: 11px; }
.privacy { margin-top: 18px; color: #708177; font-size: 11px; }
.privacy summary { cursor: pointer; }
.privacy p { max-width: 900px; }
.status-toast { position: fixed; z-index: 150; right: 22px; bottom: 22px; max-width: min(430px, calc(100% - 44px)); padding: 16px 20px; border-radius: 12px; color: #fff; box-shadow: 0 20px 60px rgba(0,0,0,.25); font-size: 14px; font-weight: 800; }
.status-toast.success { background: #1f6b45; }
.status-toast.error { background: #8d2d2d; }

@media (max-width: 960px) {
  .main-nav { display: none; }
  .header-phone { margin-left: auto; }
  .hero { min-height: 820px; }
  .split-heading, .section-heading { gap: 45px; }
  .solution-grid { grid-template-columns: 1fr 1fr; }
  .solution-card:last-child { grid-column: 1 / -1; min-height: 320px; }
  .catalog-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid, .image-feature, .image-feature.reverse { grid-template-columns: 1fr; gap: 45px; }
  .image-feature.reverse .image-panel { order: 0; }
  .feature-image { height: 560px; }
  .image-panel { height: 510px; }
  .industry-grid { grid-template-columns: 1fr 1fr; }
  .process-layout, .faq-layout { gap: 50px; }
  .request-layout { grid-template-columns: 1fr; }
  .request-copy { position: static; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; gap: 35px; }
}

@media (max-width: 700px) {
  .container { width: min(100% - 28px, 1200px); }
  .section { padding: 58px 0; }
  h2 { font-size: 36px; }
  .site-header { height: 66px; }
  .brand-mark { width: 34px; height: 34px; }
  .brand strong { font-size: 13px; }
  .brand small { font-size: 8px; }
  .header-phone { font-size: 12px; }
  .header-phone span { display: none; }
  .hero { min-height: 900px; }
  .hero-content { padding-top: 54px; }
  .hero h1 { font-size: 48px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { flex-direction: column; }
  .hero-meta { left: 14px; right: 14px; bottom: 22px; width: calc(100% - 28px); grid-template-columns: 1fr; }
  .hero-meta > div { padding: 15px 20px; }
  .hero-meta > div + div { border-left: 0; border-top: 1px solid rgba(255,255,255,.13); }
  .split-heading, .section-heading { grid-template-columns: 1fr; gap: 24px; }
  .section-heading { margin-bottom: 32px; }
  .solution-grid { margin-top: 36px; grid-template-columns: 1fr; }
  .solution-card, .solution-card:last-child { min-height: 340px; grid-column: auto; padding: 27px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .product-card { min-height: 410px; padding: 26px; }
  .product-action { left: 26px; right: 26px; }
  .feature-grid, .image-feature, .image-feature.reverse { gap: 30px; }
  .feature-image { height: 430px; }
  .image-panel { height: 360px; border-radius: 20px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid > div { min-height: auto; }
  .industry-grid { grid-template-columns: 1fr; }
  .industry-grid article { min-height: 210px; padding: 26px; }
  .industry-grid h3 { margin-top: 30px; }
  .process-layout, .faq-layout { grid-template-columns: 1fr; gap: 28px; }
  .payment-section { padding-bottom: 58px; }
  .payment-panel { padding: 30px 24px; grid-template-columns: 1fr; gap: 28px; }
  .documents-panel { padding: 30px 24px; grid-template-columns: 1fr; gap: 28px; }
  .faq-layout summary { padding: 19px 0; font-size: 16px; }
  .request-layout { gap: 30px; }
  .request-form { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .lead-modal { padding: 34px 20px 24px; }
  .lead-modal h2 { font-size: 31px; }
  .quick-request { padding: 56px 0; }
  .quick-row { flex-direction: column; align-items: flex-start; gap: 28px; }
  .quick-row .button { width: 100%; }
  .footer-row { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 390px) {
  .hero { min-height: 950px; }
  .hero h1 { font-size: 43px; }
  .header-phone { font-size: 11px; }
}

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