:root {
  --blue: #0b5c8f;
  --blue-dark: #083b5c;
  --gold: #c4942d;
  --teal: #178f9d;
  --ink: #17212b;
  --muted: #5d6873;
  --line: #d8e1e8;
  --bg: #f5f8fb;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

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

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

.topbar {
  background: var(--blue-dark);
  color: var(--white);
  font-size: 14px;
}

.topbar-inner {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.navbar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand img {
  display: block;
  width: min(390px, 62vw);
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--blue-dark);
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
}

.hero {
  background:
    linear-gradient(120deg, rgba(8, 59, 92, 0.92), rgba(11, 92, 143, 0.76)),
    url("https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1600&q=80") center/cover;
  color: var(--white);
  min-height: 560px;
  display: flex;
  align-items: center;
}

.page-hero {
  min-height: 260px;
  display: flex;
  align-items: center;
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(8, 59, 92, 0.94), rgba(11, 92, 143, 0.78)),
    url("https://images.unsplash.com/photo-1494412651409-8963ce7935a7?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1.1;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 40px;
  align-items: center;
  padding: 64px 0;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--gold);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  font-size: 13px;
}

.hero h1,
.section h2 {
  margin: 0;
  line-height: 1.15;
}

.hero h1 {
  max-width: 700px;
  font-size: clamp(38px, 6vw, 70px);
}

.hero-copy > p:not(.eyebrow) {
  max-width: 650px;
  font-size: 18px;
  color: #eaf3f8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.button,
.tracking-box button,
.enquiry-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
  cursor: pointer;
}

.button.primary,
.tracking-box button,
.enquiry-form button {
  background: var(--gold);
  color: var(--blue-dark);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--white);
}

.button.full {
  width: 100%;
  margin-top: 10px;
}

.tracking-box,
.contact-card,
.card {
  background: var(--white);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(11, 92, 143, 0.12);
}

.tracking-box {
  padding: 28px;
}

.tracking-box.large {
  max-width: 520px;
  width: 100%;
}

.tracking-box h2 {
  margin: 0 0 8px;
  color: var(--blue-dark);
}

.tracking-box p {
  margin: 0 0 18px;
  color: var(--muted);
}

.tracking-box label {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.tracking-box input {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  margin-bottom: 14px;
  font: inherit;
}

.tracking-box button {
  width: 100%;
  font: inherit;
}

.tracking-page,
.network-search {
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(0, 1fr);
  gap: 42px;
  align-items: center;
}

.tracking-page img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(8, 59, 92, 0.14);
}

.network-search {
  grid-template-columns: 1fr;
  justify-items: center;
}

.section {
  padding: 74px 0;
}

.section h2 {
  color: var(--blue-dark);
  font-size: clamp(28px, 4vw, 42px);
}

.two-column,
.intro-grid,
.content-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 48px;
  align-items: start;
}

.section-media img,
.section-heading img,
.network-image,
.card img,
.side-image img,
.network-card img {
  display: block;
  width: 100%;
  object-fit: cover;
}

.section-media img {
  height: 380px;
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(8, 59, 92, 0.14);
}

.text-content p:first-child {
  margin-top: 0;
}

.text-content,
.contact-grid p {
  color: var(--muted);
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--blue);
  font-weight: 800;
}

.content-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  box-shadow: 0 14px 36px rgba(8, 59, 92, 0.08);
}

.content-panel h2 {
  margin-top: 0;
  color: var(--blue-dark);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.18;
}

.content-panel p {
  color: var(--muted);
}

.side-image img {
  height: 460px;
  border-radius: 8px;
  box-shadow: 0 18px 46px rgba(8, 59, 92, 0.14);
}

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

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.feature-list div {
  min-height: 126px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(8, 59, 92, 0.08);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 30px;
}

.card {
  overflow: hidden;
}

.card img {
  height: 150px;
}

.card h3 {
  margin: 20px 20px 10px;
  color: var(--blue-dark);
}

.card p {
  margin: 0 20px 22px;
  color: var(--muted);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.52fr);
  gap: 34px;
  align-items: end;
}

.section-heading img {
  height: 220px;
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(8, 59, 92, 0.12);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.service-item {
  min-height: 84px;
  display: flex;
  align-items: center;
  padding: 18px;
  border-left: 4px solid var(--teal);
  background: var(--bg);
  color: var(--blue-dark);
  font-weight: 800;
}

.network-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.network-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 14px 36px rgba(8, 59, 92, 0.1);
}

.network-card img {
  height: 280px;
}

.network-card h2 {
  margin: 24px 24px 8px;
  color: var(--blue-dark);
}

.network-card p {
  margin: 0 24px 26px;
  color: var(--muted);
}

.accent {
  background: var(--blue-dark);
  color: var(--white);
}

.accent h2 {
  color: var(--white);
}

.network-image {
  height: 240px;
  margin-top: 26px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.accent .text-content,
.accent .text-content p {
  color: #dbeaf2;
}

.check-list {
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.check-list li {
  padding: 8px 0 8px 26px;
  position: relative;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 10px;
  height: 10px;
  background: var(--gold);
  border-radius: 50%;
}

.contact-section {
  background: linear-gradient(180deg, var(--white), var(--bg));
}

.contact-card {
  padding: 28px;
}

.contact-card p {
  margin: 0 0 18px;
}

.contact-card strong {
  color: var(--blue-dark);
}

.contact-card a:not(.button) {
  color: var(--blue);
  font-weight: 700;
}

.enquiry-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 16px 45px rgba(11, 92, 143, 0.12);
}

.enquiry-form h2 {
  margin-top: 0;
  color: var(--blue-dark);
}

.enquiry-form label {
  display: block;
  margin: 12px 0 7px;
  color: var(--blue-dark);
  font-weight: 800;
}

.enquiry-form input,
.enquiry-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  font: inherit;
  resize: vertical;
}

.enquiry-form button {
  width: 100%;
  margin-top: 16px;
  border: 0;
  font: inherit;
}

.form-message {
  margin: 0 0 16px;
  padding: 10px 12px;
  border-radius: 6px;
  font-weight: 700;
}

.form-message.success {
  color: #116136;
  background: #e9f8ef;
  border: 1px solid #bfe7cf;
}

.form-message.error {
  color: #8a1f11;
  background: #fff0ed;
  border: 1px solid #f0c2ba;
}

.footer {
  background: #071f33;
  color: #d7e4ed;
  padding: 24px 0;
  font-size: 14px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .nav-inner,
  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 12px 0;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    gap: 18px;
    padding-bottom: 4px;
  }

  .hero-grid,
  .two-column,
  .intro-grid,
  .content-grid,
  .contact-grid,
  .section-heading,
  .tracking-page {
    grid-template-columns: 1fr;
  }

  .cards,
  .service-grid,
  .feature-list,
  .network-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-media img,
  .section-heading img,
  .network-image,
  .side-image img,
  .tracking-page img {
    height: 280px;
  }
}

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

  .hero {
    min-height: auto;
  }

  .hero-grid {
    padding: 42px 0;
    gap: 28px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .section {
    padding: 52px 0;
  }

  .cards,
  .service-grid,
  .feature-list,
  .network-cards {
    grid-template-columns: 1fr;
  }

  .tracking-box,
  .contact-card,
  .content-panel,
  .enquiry-form {
    padding: 20px;
  }

  .card img {
    height: 170px;
  }

  .section-media img,
  .section-heading img,
  .network-image,
  .side-image img,
  .tracking-page img,
  .network-card img {
    height: 220px;
  }
}

#trackingResult {
    margin-top: 30px;
}

.tracking-result-box {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.track-row {
    border-left: 4px solid orange;
    padding-left: 15px;
    margin-bottom: 15px;
}

.delivery-proof {
    margin: 10px 0 22px;
}

.delivery-proof img {
    display: block;
    width: min(100%, 420px);
    max-height: 320px;
    object-fit: contain;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--bg);
}

.proof-link {
    color: var(--blue);
    font-weight: 800;
}

.error {
    color: red;
    font-weight: bold;
}