@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&display=swap');

:root {
  --ink: #242525;
  --ink-deep: #161717;
  --orange: #de7924;
  --orange-bright: #f08b32;
  --orange-soft: #f8d5b5;
  --paper: #f7f4ef;
  --paper-deep: #e8e2da;
  --muted: #625f5a;
  --white: #ffffff;
  --line: rgba(36, 37, 37, 0.16);
  --shadow: 0 20px 50px rgba(22, 23, 23, 0.12);
  --font-display: "Barlow Condensed", Impact, sans-serif;
  --font-body: "DM Sans", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 0.94; letter-spacing: 0.01em; }
h1, h2 { text-transform: uppercase; }
p { margin-bottom: 1rem; }

.shell { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 50; top: -64px; left: 16px; background: var(--orange); color: var(--ink-deep); padding: 10px 14px; font-weight: 700; text-decoration: none; }
.skip-link:focus { top: 16px; }
:focus-visible { outline: 3px solid var(--orange-bright); outline-offset: 4px; }

.site-header { position: sticky; z-index: 20; top: 0; background: rgba(22, 23, 23, 0.97); border-bottom: 1px solid rgba(255, 255, 255, 0.12); }
.header-inner { min-height: 82px; display: flex; align-items: center; gap: 28px; }
.brand { flex: 0 0 auto; }
.brand img { width: 190px; height: auto; }
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.primary-nav a { color: rgba(255,255,255,0.85); font-size: 0.78rem; font-weight: 700; letter-spacing: 0.09em; text-decoration: none; text-transform: uppercase; white-space: nowrap; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--orange-bright); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 20px; border: 1px solid var(--orange); background: var(--orange); color: var(--ink-deep); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; line-height: 1.1; text-align: center; text-decoration: none; text-transform: uppercase; transition: background 160ms ease, color 160ms ease, transform 160ms ease; }
.button:hover { background: var(--orange-bright); border-color: var(--orange-bright); transform: translateY(-2px); }
.button--header { flex: 0 0 auto; min-height: 40px; padding: 10px 14px; font-size: 0.68rem; }
.button--ghost { background: transparent; border-color: rgba(255,255,255,0.65); color: var(--white); }
.button--ghost:hover { background: var(--white); border-color: var(--white); color: var(--ink-deep); }

.hero { position: relative; isolation: isolate; min-height: 680px; display: grid; align-items: center; overflow: hidden; background: #171819 url("assets/images/dieselline-hero-highway.jpg") center / cover no-repeat; color: var(--white); }
.hero-overlay { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(22,23,23,0.96) 0%, rgba(22,23,23,0.82) 35%, rgba(22,23,23,0.28) 68%, rgba(22,23,23,0.14) 100%); }
.hero-content { padding-block: 80px; max-width: 1180px; }
.hero-content > * { max-width: 665px; }
.eyebrow { margin-bottom: 14px; color: var(--orange); font-size: 0.74rem; font-weight: 800; letter-spacing: 0.16em; line-height: 1.3; text-transform: uppercase; }
.eyebrow--light { color: var(--orange-soft); }
.eyebrow--orange { color: var(--orange-bright); }
h1 { max-width: 760px; margin-bottom: 22px; font-size: clamp(3.25rem, 7.2vw, 6.5rem); }
h2 { margin-bottom: 18px; font-size: clamp(2.5rem, 4.6vw, 4.1rem); }
h3 { margin-bottom: 10px; font-size: 1.75rem; text-transform: uppercase; }
.hero-copy { color: rgba(255,255,255,0.91); font-size: clamp(1rem, 1.6vw, 1.17rem); }
.status-line { display: flex; align-items: flex-start; gap: 10px; padding-top: 2px; color: rgba(255,255,255,0.94); font-size: 0.93rem; }
.status-dot { flex: 0 0 auto; width: 9px; height: 9px; margin-top: 8px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 0 5px rgba(222,121,36,0.16); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-roadmark { position: absolute; right: 5%; bottom: 0; display: flex; gap: 22px; align-items: end; opacity: 0.62; }
.hero-roadmark span { width: 4px; height: 80px; background: var(--orange); transform: skewX(-28deg); }
.hero-roadmark span:nth-child(2) { height: 128px; background: var(--orange-soft); }
.hero-roadmark span:nth-child(3) { height: 54px; }

.section { padding-block: clamp(72px, 10vw, 128px); }
.section-heading { max-width: 790px; margin-bottom: 46px; }
.section-heading p:last-child { color: var(--muted); }
.section-heading--split { max-width: none; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 70px; align-items: end; }
.section-heading--split > p { margin-bottom: 8px; max-width: 480px; }
.section-heading--centered { margin-inline: auto; text-align: center; }
.value-section { background: var(--paper); }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.value-card { min-height: 260px; padding: 28px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.value-card p { color: var(--muted); }
.icon-chip { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 38px; border-radius: 50%; background: var(--orange-soft); color: var(--ink-deep); font-family: var(--font-display); font-weight: 800; letter-spacing: 0.06em; }

.section--ink { background: var(--ink); color: var(--white); }
.how-layout { display: grid; grid-template-columns: minmax(300px, 0.9fr) minmax(420px, 1.1fr); gap: clamp(38px, 7vw, 98px); align-items: center; }
.how-image-wrap { position: relative; }
.how-image-wrap img { width: 100%; min-height: 585px; object-fit: cover; filter: saturate(0.8) contrast(1.04); }
.image-caption { position: absolute; right: -18px; bottom: 24px; width: min(85%, 300px); margin: 0; padding: 18px; background: var(--orange); color: var(--ink-deep); font-size: 0.83rem; font-weight: 700; line-height: 1.45; }
.how-content .lead { max-width: 560px; color: rgba(255,255,255,0.73); }
.steps-list { display: grid; gap: 20px; margin: 32px 0 0; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 54px 1fr; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.17); }
.steps-list h3 { margin-bottom: 6px; font-size: 1.32rem; }
.steps-list p { margin-bottom: 0; color: rgba(255,255,255,0.72); font-size: 0.94rem; }
.step-number { color: var(--orange-bright); font-family: var(--font-display); font-size: 1.55rem; font-weight: 700; line-height: 1; }

.feature-section { background: var(--paper-deep); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.feature-card { padding: 28px; background: var(--paper); box-shadow: 0 1px 0 rgba(36,37,37,0.08); }
.feature-card h3 { max-width: 310px; font-size: 1.45rem; }
.feature-card p { margin-bottom: 0; color: var(--muted); font-size: 0.93rem; }
.feature-mark { display: block; width: 30px; height: 30px; margin-bottom: 40px; color: var(--orange); font-size: 1.8rem; font-weight: 700; line-height: 1; }

.audience-section { background: var(--paper); }
.audience-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.audience-card { display: flex; min-height: 350px; flex-direction: column; padding: 32px; border-top: 5px solid var(--orange); background: var(--ink-deep); color: var(--white); }
.audience-card--fleet { background: #303132; }
.audience-card--shop { background: var(--orange); color: var(--ink-deep); }
.card-kicker { margin-bottom: 34px; color: var(--orange-soft); font-size: 0.75rem; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }
.audience-card--shop .card-kicker { color: var(--ink-deep); }
.audience-card h3 { font-size: clamp(1.7rem, 2.4vw, 2.2rem); }
.audience-card p:not(.card-kicker) { color: rgba(255,255,255,0.74); }
.audience-card--shop p:not(.card-kicker) { color: rgba(22,23,23,0.78); }
.text-link { margin-top: auto; font-size: 0.77rem; font-weight: 800; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.text-link span { padding-left: 3px; color: var(--orange-bright); font-size: 1.15rem; vertical-align: -1px; }
.audience-card--shop .text-link span { color: var(--white); }

.caution-section { padding-block: clamp(55px, 7vw, 90px); background: var(--orange-soft); }
.caution-layout { display: grid; grid-template-columns: 80px 1fr; gap: 32px; max-width: 960px; }
.caution-layout h2 { font-size: clamp(2.15rem, 4vw, 3.5rem); }
.caution-layout p { max-width: 800px; }
.caution-symbol { width: 62px; height: 62px; display: grid; place-items: center; margin-top: 5px; border: 2px solid var(--ink); border-radius: 50%; font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; line-height: 1; }

.early-access { position: relative; isolation: isolate; padding-block: clamp(88px, 13vw, 150px); background: var(--ink-deep) url("assets/images/dieselline-route-night.jpg") center / cover no-repeat; color: var(--white); }
.early-access-overlay { position: absolute; z-index: -1; inset: 0; background: linear-gradient(90deg, rgba(22,23,23,0.94), rgba(22,23,23,0.78), rgba(22,23,23,0.45)); }
.early-access-content { max-width: 760px; }
.early-access-content > p:not(.eyebrow):not(.fine-print) { max-width: 660px; color: rgba(255,255,255,0.88); font-size: 1.08rem; }
.contact-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; margin-top: 34px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,0.28); border-bottom: 1px solid rgba(255,255,255,0.28); }
.contact-panel p { margin: 0; }
.contact-panel a:not(.button) { color: var(--orange-soft); }
.fine-print { max-width: 680px; margin-top: 22px; color: rgba(255,255,255,0.68); font-size: 0.86rem; }

.faq-section { background: var(--paper); }
.faq-layout { display: grid; grid-template-columns: minmax(270px, 0.85fr) minmax(440px, 1.15fr); gap: clamp(40px, 8vw, 110px); }
.faq-intro p:last-child { max-width: 350px; color: var(--muted); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; gap: 20px; padding: 20px 34px 20px 0; cursor: pointer; font-size: 1rem; font-weight: 700; }
.faq-list summary::after { flex: 0 0 auto; content: "+"; color: var(--orange); font-size: 1.5rem; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details p { max-width: 720px; padding-right: 34px; color: var(--muted); }
.faq-list a { color: var(--ink); font-weight: 700; }

.site-footer { padding-top: 68px; background: var(--ink-deep); color: rgba(255,255,255,0.72); }
.footer-grid { display: grid; grid-template-columns: 1.45fr 0.7fr 0.7fr; gap: 50px; padding-bottom: 46px; }
.footer-brand img { width: 206px; height: auto; margin-bottom: 22px; }
.footer-brand > p { max-width: 420px; font-size: 0.9rem; }
.testing-badge { display: inline-block; margin-top: 4px; padding: 4px 9px; border: 1px solid rgba(240,139,50,0.64); color: var(--orange-soft); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; }
.footer-heading { margin-bottom: 16px; color: var(--white); font-size: 1.12rem; letter-spacing: 0.08em; }
.footer-links { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; }
.footer-links a, .site-footer a { color: inherit; }
.footer-links a:hover, .site-footer a:hover { color: var(--orange-bright); }
.launch-domain { color: rgba(255,255,255,0.45); font-size: 0.8rem; }
.footer-bottom { display: flex; justify-content: space-between; gap: 32px; padding-block: 20px; border-top: 1px solid rgba(255,255,255,0.15); font-size: 0.76rem; }
.footer-bottom p { max-width: 650px; margin: 0; }

.privacy-hero { padding-block: clamp(80px, 11vw, 145px); background: var(--paper-deep); }
.privacy-hero .shell { max-width: 870px; margin-left: max(24px, calc((100% - 1180px) / 2)); }
.privacy-hero h1 { margin-bottom: 22px; }
.privacy-hero > .shell > p:last-child { max-width: 670px; color: var(--muted); font-size: 1.1rem; }
.privacy-date { color: var(--muted); font-size: 0.9rem; }
.privacy-content { width: min(850px, calc(100% - 48px)); padding-block: clamp(70px, 9vw, 120px); }
.privacy-content section { margin-bottom: 52px; }
.privacy-content h2 { font-size: clamp(2rem, 3.6vw, 3rem); }
.privacy-content p { color: var(--muted); overflow-wrap: anywhere; }
.privacy-content a { color: var(--ink); font-weight: 700; }
.privacy-contact { padding: 32px; background: var(--orange-soft); }
.privacy-contact .eyebrow { color: var(--ink); }
.review-note { padding: 26px 28px; border-left: 5px solid var(--orange); background: var(--paper-deep); }
.review-note h2 { margin-bottom: 12px; font-size: 1.65rem; }
.review-note p { margin-bottom: 0; }

@media (max-width: 980px) {
  .header-inner { flex-wrap: wrap; gap: 13px 20px; padding-block: 14px; }
  .primary-nav { order: 3; width: 100%; margin-left: 0; justify-content: space-between; overflow-x: auto; padding-top: 7px; }
  .button--header { margin-left: auto; }
  .how-layout, .faq-layout { grid-template-columns: 1fr; }
  .how-image-wrap img { min-height: 420px; }
  .faq-intro p:last-child { max-width: 540px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid, .value-grid { grid-template-columns: 1fr; }
  .value-card { min-height: 0; }
  .footer-grid { grid-template-columns: 1.25fr 0.75fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 660px) {
  .shell { width: min(100% - 32px, 1180px); }
  .site-header { position: relative; }
  .header-inner { min-height: 0; }
  .brand img { width: 160px; }
  .button--header { padding: 9px 11px; font-size: 0.61rem; }
  .primary-nav { justify-content: flex-start; gap: 16px; padding-bottom: 1px; }
  .primary-nav a { font-size: 0.66rem; }
  .hero { min-height: 690px; background-position: 66% center; }
  .hero-overlay { background: linear-gradient(90deg, rgba(22,23,23,0.94) 0%, rgba(22,23,23,0.78) 58%, rgba(22,23,23,0.45) 100%); }
  .hero-content { padding-block: 78px; }
  h1 { font-size: clamp(3.1rem, 16vw, 4.6rem); }
  h2 { font-size: clamp(2.35rem, 12vw, 3.25rem); }
  .section-heading--split { display: block; }
  .section-heading--split > p { max-width: 100%; }
  .how-image-wrap img { min-height: 360px; }
  .image-caption { right: 0; bottom: 0; width: 92%; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { padding: 25px; }
  .feature-mark { margin-bottom: 26px; }
  .audience-card { min-height: 0; }
  .caution-layout { grid-template-columns: 1fr; gap: 16px; }
  .caution-symbol { margin-top: 0; }
  .contact-panel { display: grid; justify-items: start; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid > :first-child { grid-column: auto; }
  .footer-bottom { flex-direction: column; gap: 10px; }
  .privacy-content { width: min(100% - 32px, 850px); }
  .privacy-contact { padding: 25px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}