:root {
  --bg: #0e1316;
  --surface: #151b1f;
  --ink: #f5f2ec;
  --muted: rgba(245, 242, 236, 0.64);
  --line: rgba(255, 255, 255, 0.1);
  --dark: #111518;
  --dark-soft: #22272b;
  --accent: #d19a22;
  --accent-dark: #906711;
  --green: #1d5f54;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #0a0f11 0, var(--bg) 620px),
    var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  color: #fff;
  background: linear-gradient(180deg, rgba(17, 21, 24, 0.84), rgba(17, 21, 24, 0));
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  display: block;
  width: 64px;
  height: 34px;
  flex: 0 0 auto;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.nav a:hover {
  color: #fff;
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(17, 21, 24, 0.92) 0%, rgba(17, 21, 24, 0.72) 38%, rgba(17, 21, 24, 0.22) 78%),
    url("/assets/fuel-delivery-hero.png") center / cover no-repeat,
    var(--dark);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(17, 21, 24, 0.92) 0%, rgba(17, 21, 24, 0.72) 38%, rgba(17, 21, 24, 0.22) 78%),
    linear-gradient(0deg, rgba(17, 21, 24, 0.86) 0%, rgba(17, 21, 24, 0.12) 44%, rgba(17, 21, 24, 0.26) 100%);
}

.hero-content {
  position: relative;
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  padding: 150px 0 54px;
  color: #fff;
}

.hero-kickers {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 14px;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-kicker {
  margin-bottom: 14px;
}

.availability-badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border: 1px solid rgba(80, 220, 126, 0.35);
  border-radius: 6px;
  color: #c8ffd7;
  background: linear-gradient(135deg, rgba(31, 157, 77, 0.88), rgba(14, 105, 51, 0.82));
  box-shadow: 0 10px 28px rgba(18, 131, 61, 0.22);
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.2;
}

.lead {
  max-width: 650px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 19px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 44px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, #f1c35b, var(--accent));
  color: #111;
  box-shadow: 0 12px 28px rgba(209, 154, 34, 0.24);
}

.button-primary:hover {
  background: linear-gradient(135deg, #ffd677, #dca32d);
}

.button-secondary {
  border-color: rgba(209, 154, 34, 0.34);
  color: #fff;
  background: rgba(209, 154, 34, 0.08);
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 170px));
  gap: 10px;
  width: fit-content;
  margin: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.hero-stats div {
  padding: 18px 20px;
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05)),
    rgba(17, 21, 24, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 16px 36px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(16px);
}

.hero-stats dt {
  margin-bottom: 6px;
  font-size: 28px;
  font-weight: 900;
}

.hero-stats dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.section,
.request-band {
  padding: 92px 0;
}

.section-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.request-band {
  background: var(--dark);
  color: #fff;
}

.request-grid {
  display: grid;
  grid-template-columns: minmax(320px, 720px);
  justify-content: center;
  align-items: start;
}

.request-grid p,
.split p,
.feature-card p,
.timeline p,
.faq-list p,
.site-footer p {
  color: var(--muted);
  line-height: 1.65;
}

.request-band .request-grid p {
  color: rgba(255, 255, 255, 0.68);
}

.request-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: var(--radius);
  background: #1a2024;
  box-shadow: var(--shadow);
}

label span {
  display: block;
  margin-bottom: 7px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  padding: 0 12px;
  background: #101417;
  color: #fff;
  font: inherit;
}

input::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.range-field,
.calculator-result {
  grid-column: 1 / -1;
}

.range-field span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.range-field strong {
  color: #fff;
  font-size: 16px;
}

input[type="range"] {
  padding: 0;
  border: 0;
  accent-color: var(--accent);
  background: transparent;
}

.calculator-result {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 18px;
  align-items: end;
  margin-top: 2px;
  padding: 18px;
  border: 1px solid rgba(201, 145, 23, 0.4);
  border-radius: var(--radius);
  background: rgba(201, 145, 23, 0.12);
}

.calculator-result span {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
}

.calculator-result strong {
  color: #fff;
  font-size: 30px;
  line-height: 1;
  text-align: right;
}

.calculator-result small {
  grid-column: 1 / -1;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.45;
}

.form-button,
.form-note {
  grid-column: 1 / -1;
}

.form-note {
  margin: 0;
  font-size: 12px;
}

.modal {
  position: fixed;
  z-index: 50;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.modal.is-open {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 10, 12, 0.72);
  backdrop-filter: blur(8px);
}

.modal-dialog {
  position: relative;
  width: min(520px, 100%);
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: #12181b;
  color: #fff;
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.modal-dialog h2 {
  margin-bottom: 12px;
}

.modal-summary {
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
}

.modal-form {
  display: grid;
  gap: 14px;
}

.modal-form .button,
.modal-form .form-note {
  width: 100%;
}

.payment-box {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.payment-box[hidden] {
  display: none;
}

.qr-wrap {
  display: grid;
  place-items: center;
  min-height: 220px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.62);
}

.qr-wrap img {
  width: 220px;
  height: 220px;
  padding: 10px;
  border-radius: 8px;
  background: #fff;
}

.payment-link {
  width: 100%;
}

.payment-status {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
  line-height: 1.5;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.feature-number {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.muted {
  background: #11171a;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 56px;
  align-items: center;
}

.spec-list {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.spec-list div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
  background: #171e22;
}

.spec-list strong {
  color: var(--ink);
}

.spec-list span {
  color: var(--muted);
  text-align: right;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline div {
  position: relative;
  min-height: 230px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.timeline span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 38px;
  border-radius: 50%;
  background: var(--dark);
  color: #fff;
  font-weight: 900;
}

.faq-section {
  padding-top: 20px;
}

.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: 56px;
}

.faq-list {
  display: grid;
  gap: 10px;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

summary {
  padding: 20px 22px;
  font-weight: 800;
  cursor: pointer;
}

details p {
  margin: 0;
  padding: 0 22px 22px;
}

.site-footer {
  padding: 36px 0;
  background: var(--dark);
  color: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 42px;
  align-items: start;
}

.footer-grid p {
  max-width: 420px;
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.58);
}

.footer-grid span,
.footer-grid a {
  display: block;
}

.footer-grid span {
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 13px;
}

.footer-grid a {
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    padding-top: 128px;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(17, 21, 24, 0.94), rgba(17, 21, 24, 0.56)),
      linear-gradient(0deg, rgba(17, 21, 24, 0.9), rgba(17, 21, 24, 0.12));
  }

  .request-grid,
  .split,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .timeline {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 14px 18px;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 700px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .lead {
    font-size: 17px;
  }

  .hero-actions,
  .hero-stats,
  .request-form,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .hero-stats {
    width: 100%;
  }

  .section,
  .request-band {
    padding: 64px 0;
  }

  .request-form {
    padding: 16px;
  }

  .calculator-result {
    grid-template-columns: 1fr;
  }

  .calculator-result strong {
    text-align: left;
  }

  .modal-dialog {
    padding: 24px;
  }

  .spec-list div {
    display: grid;
    gap: 8px;
  }

  .spec-list span {
    text-align: left;
  }
}