:root {
  --blue: #1a3a52;
  --blue-soft: #5a7a92;
  --orange: #d84315;
  --ink: #2d2d2d;
  --muted: #f5f7f8;
  --line: #d9e0e5;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  background: var(--white);
}

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

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(26, 58, 82, 0.08);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--blue);
  font-size: 1.5rem;
  font-weight: 800;
}

.brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  font-family: "Playfair Display", serif;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--ink);
  font-weight: 600;
}

.main-nav a:hover,
.mobile-nav a:hover,
.site-footer a:hover {
  color: var(--orange);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px auto;
  background: var(--blue);
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 14px;
  padding: 0 24px 20px;
  color: var(--ink);
  font-weight: 600;
}

.mobile-nav.open {
  display: flex;
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 25, 38, 0.88), rgba(8, 25, 38, 0.54), rgba(8, 25, 38, 0.18));
}

.hero-content {
  position: relative;
  max-width: 780px;
  padding: 88px 0 120px;
  color: var(--white);
}

.eyebrow {
  margin: 0 0 14px;
  color: #ffb199;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--orange);
}

h1,
h2 {
  margin: 0;
  color: var(--blue);
  font-family: "Playfair Display", Georgia, serif;
  font-weight: 800;
  line-height: 1.05;
}

h1 {
  max-width: 760px;
  color: var(--white);
  font-size: clamp(3rem, 8vw, 6.7rem);
}

h2 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
}

h3 {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 1.75rem;
}

p {
  line-height: 1.72;
}

.hero-content p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.08rem;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  border: 0;
  color: var(--white);
  background: var(--orange);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 14px 32px rgba(216, 67, 21, 0.28);
  transition: transform 0.2s ease, background 0.2s ease;
}

.cta-button:hover {
  background: #b93411;
  transform: translateY(-2px);
}

.cta-button.full {
  width: 100%;
}

.section {
  padding: 96px 0;
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading p {
  margin: 18px auto 0;
  color: var(--blue-soft);
  font-size: 1.08rem;
}

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

.service-card {
  min-height: 280px;
  padding: 34px;
  border-left: 4px solid var(--orange);
  background: var(--white);
  box-shadow: 0 18px 40px rgba(26, 58, 82, 0.1);
}

.icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  color: var(--white);
  background: var(--orange);
  font-size: 1.5rem;
  font-weight: 800;
}

.fuel-band {
  color: var(--white);
  background: var(--blue);
}

.fuel-band h2 {
  max-width: 720px;
  color: var(--white);
}

.fuel-content {
  max-width: 780px;
  text-align: center;
}

.fuel-content p:not(.eyebrow) {
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.infrastructure {
  background: var(--muted);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: center;
  margin-top: 64px;
}

.feature-row:first-of-type {
  margin-top: 0;
}

.feature-row.reverse img {
  order: 2;
}

.feature-row img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: 0 24px 42px rgba(26, 58, 82, 0.18);
}

.feature-copy p {
  color: var(--ink);
}

.feature-copy ul {
  padding: 0;
  margin: 24px 0 0;
  list-style: none;
}

.feature-copy li {
  margin: 12px 0;
  padding-left: 28px;
  position: relative;
  color: var(--blue);
  font-weight: 700;
}

.feature-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 10px;
  height: 10px;
  background: var(--orange);
}

.capacity {
  margin-top: 26px;
  padding: 24px;
  border-left: 4px solid var(--orange);
  background: var(--white);
}

.capacity span,
.capacity strong {
  display: block;
}

.capacity span {
  color: var(--blue);
  font-weight: 700;
}

.capacity strong {
  margin-top: 8px;
  color: var(--orange);
  font-size: 1.8rem;
}

.contact {
  background: var(--white);
}

.contact-email {
  max-width: 520px;
  margin: 0 auto 34px;
  padding: 34px;
  text-align: center;
  background: var(--muted);
  box-shadow: 0 14px 34px rgba(26, 58, 82, 0.1);
}

.mail-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  color: var(--white);
  background: var(--orange);
  font-size: 1.5rem;
  font-weight: 900;
}

.contact-email a {
  color: var(--orange);
  font-size: 1.15rem;
  font-weight: 800;
}

.contact-form {
  max-width: 680px;
  margin: 0 auto;
  padding: 34px;
  border-left: 4px solid var(--orange);
  background: var(--white);
  box-shadow: 0 18px 44px rgba(26, 58, 82, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--blue);
  font-weight: 800;
}

input,
textarea {
  width: 100%;
  border: 1px solid #ccd6dd;
  padding: 14px 16px;
  color: var(--ink);
  font: inherit;
  resize: vertical;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(216, 67, 21, 0.18);
  border-color: var(--orange);
}

.site-footer {
  padding: 56px 0 28px;
  color: var(--white);
  background: var(--blue);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 38px;
}

.site-footer h4 {
  margin: 0 0 18px;
  font-size: 1.2rem;
}

.site-footer p,
.site-footer a {
  color: rgba(255, 255, 255, 0.75);
}

.site-footer a {
  display: block;
  margin: 0 0 10px;
}

.site-footer p a {
  display: inline;
}

.copyright {
  width: min(1120px, calc(100% - 32px));
  margin: 34px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  text-align: center;
  color: rgba(255, 255, 255, 0.58);
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: 720px;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(8, 25, 38, 0.82), rgba(8, 25, 38, 0.64));
  }

  .service-grid,
  .feature-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .feature-row.reverse img {
    order: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100% - 24px, 1120px);
  }

  .section {
    padding: 72px 0;
  }

  .hero-content {
    padding: 72px 0 96px;
  }

  .service-card,
  .contact-form,
  .contact-email {
    padding: 26px;
  }

  h1 {
    font-size: 2.8rem;
  }
}