:root {
  --navy: #061a3a;
  --blue: #064d8f;
  --steel: #5f748b;
  --cyan: #16a7c7;
  --yellow: #ffc400;
  --green: #0f8f63;
  --ink: #102033;
  --muted: #5e6a78;
  --line: #d9e2ec;
  --soft: #f3f7fb;
  --white: #ffffff;
  --shadow: 0 18px 55px rgba(7, 31, 58, 0.13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--white); line-height: 1.55; }
a { color: inherit; }
img { max-width: 100%; display: block; }
.skip-link { position: absolute; left: -999px; top: 0; padding: 10px 14px; background: var(--yellow); color: var(--navy); z-index: 100; }
.skip-link:focus { left: 12px; top: 12px; }
.site-header { position: sticky; top: 0; z-index: 50; height: 76px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 0 clamp(18px, 4vw, 56px); background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(217,226,236,.9); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); min-width: max-content; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 6px; background: linear-gradient(135deg, var(--navy), var(--blue)); color: var(--white); font-weight: 900; letter-spacing: 0; }
.brand strong { display: block; font-size: 20px; line-height: .95; letter-spacing: 0; }
.brand small { display: block; margin-top: 2px; color: var(--steel); font-weight: 700; font-size: 11px; letter-spacing: 0; }
.nav { display: flex; align-items: center; justify-content: center; gap: clamp(14px, 2.4vw, 34px); }
.nav a { text-decoration: none; font-weight: 750; color: #1d2e45; font-size: 14px; padding: 28px 0 24px; border-bottom: 3px solid transparent; }
.nav a.active, .nav a:hover { color: var(--blue); border-color: var(--blue); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 6px; text-decoration: none; font-weight: 850; border: 1px solid transparent; box-shadow: none; white-space: nowrap; }
.btn-primary { background: var(--yellow); color: var(--navy); border-color: #e2aa00; }
.btn-primary:hover { background: #ffd84d; }
.btn-secondary { background: var(--white); color: var(--navy); border-color: #95abc2; }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue); }
.btn-dark { background: var(--navy); color: var(--white); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: var(--white); border-radius: 6px; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--navy); margin: 4px auto; }
.hero { min-height: calc(100vh - 76px); max-height: 760px; display: flex; align-items: center; padding: clamp(54px, 8vw, 96px) clamp(20px, 6vw, 90px); background-image: linear-gradient(90deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.87) 32%, rgba(255,255,255,.28) 58%, rgba(255,255,255,0) 100%), url("/assets/water-tanker-hero.png"); background-size: cover; background-position: center right; border-bottom: 1px solid var(--line); }
.hero-content { width: min(760px, 100%); }
.hero h1, .page-hero h1 { color: var(--navy); font-size: clamp(42px, 7vw, 88px); line-height: .95; margin: 0 0 24px; max-width: 780px; letter-spacing: 0; }
.hero p { max-width: 650px; color: #29384c; font-size: clamp(18px, 2vw, 23px); margin: 0 0 30px; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px 24px; margin-top: 34px; color: var(--navy); font-weight: 800; }
.trust-row span { position: relative; padding-left: 18px; }
.trust-row span:before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); position: absolute; left: 0; top: .7em; }
.quick-quote { margin: -32px clamp(20px, 6vw, 90px) 0; position: relative; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 28px; background: var(--navy); color: var(--white); border-radius: 8px; box-shadow: var(--shadow); }
.quick-quote strong { display: block; font-size: 20px; }
.quick-quote span { color: #c9d8e6; }
.section, .split-section, .contact-layout { padding: clamp(70px, 9vw, 120px) clamp(20px, 6vw, 90px); }
.section-alt { background: var(--soft); }
.section-head { max-width: 850px; margin-bottom: 34px; }
h2 { color: var(--navy); font-size: clamp(28px, 4vw, 46px); line-height: 1.05; margin: 0 0 14px; letter-spacing: 0; }
h3 { color: var(--navy); font-size: 22px; line-height: 1.2; margin: 0 0 10px; }
p { margin: 0 0 16px; }
.section-head p, .split-section > div > p, .page-hero p { color: var(--muted); font-size: 18px; max-width: 850px; }
.service-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.service-grid.large { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card, .service-card, .proof-panel, .contact-panel, .contact-details, .timeline article, .step { background: var(--white); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(9, 44, 80, .06); }
.card { min-height: 230px; padding: 22px; display: flex; flex-direction: column; }
.card p, .service-card p { color: var(--muted); }
.text-link { margin-top: auto; color: var(--blue); font-weight: 850; text-decoration: none; }
.service-card { padding: 30px; }
.service-card ul, .check-list { padding: 0; list-style: none; display: grid; gap: 12px; margin: 22px 0; }
.service-card li, .check-list li { position: relative; padding-left: 26px; color: #2c3b4d; }
.service-card li:before, .check-list li:before { content: ""; position: absolute; left: 0; top: .35em; width: 14px; height: 14px; border-radius: 4px; background: linear-gradient(135deg, var(--cyan), var(--green)); }
.split-section { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .82fr); gap: clamp(28px, 6vw, 82px); align-items: start; }
.proof-panel { background: #08234a; color: var(--white); padding: 30px; }
.proof-panel h3 { color: var(--white); }
.proof-panel p { color: #d7e5f2; border-top: 1px solid rgba(255,255,255,.15); padding-top: 14px; }
.industry-list { display: grid; gap: 12px; }
.industry-row { display: grid; grid-template-columns: 280px 1fr; gap: 22px; align-items: center; padding: 22px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.industry-row span { color: var(--navy); font-weight: 900; font-size: 20px; }
.industry-row small { color: var(--muted); font-size: 16px; }
.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 22px; padding: clamp(46px, 6vw, 74px) clamp(20px, 6vw, 90px); background: linear-gradient(110deg, #05285a, #086f8e); color: var(--white); }
.cta-band h2 { color: var(--white); margin-bottom: 8px; }
.cta-band p { color: #d7edf4; max-width: 720px; }
.page-hero { min-height: 410px; display: flex; align-items: center; padding: clamp(58px, 8vw, 105px) clamp(20px, 6vw, 90px); background-image: linear-gradient(90deg, rgba(255,255,255,.96), rgba(255,255,255,.72), rgba(255,255,255,.2)), url("/assets/water-tanker-hero.png"); background-size: cover; background-position: center right; border-bottom: 1px solid var(--line); }
.page-hero.compact { min-height: 330px; background-position: center; }
.page-hero.service-hero, .page-hero.industry-hero { min-height: 480px; }
.crumb { color: var(--blue); font-weight: 850; text-decoration: none; display: inline-block; margin-bottom: 14px; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.step { padding: 24px; }
.step span, .timeline span { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 6px; background: var(--yellow); color: var(--navy); font-weight: 900; margin-bottom: 16px; }
.faq-mini, .faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--line); border-radius: 8px; padding: 0; background: var(--white); overflow: hidden; }
summary { cursor: pointer; padding: 20px 22px; color: var(--navy); font-weight: 900; }
details p { padding: 0 22px 22px; color: var(--muted); }
.timeline { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.timeline article { padding: 24px; }
.timeline h2 { font-size: 24px; }
.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 420px); gap: 24px; background: var(--soft); }
.contact-panel, .contact-details { padding: 32px; }
.contact-details { display: grid; gap: 12px; align-content: start; }
.contact-details a, .footer a, .sitemap-list a { color: inherit; text-decoration: none; font-weight: 760; }
.contact-details a { color: var(--blue); }
.muted { color: var(--muted); font-size: 14px; }
.sitemap-list { display: grid; gap: 12px; align-items: start; }
.sitemap-list h2 { margin-top: 24px; }
.footer { background: #06152d; color: var(--white); padding: 54px clamp(20px, 6vw, 90px) 28px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 34px; }
.footer h2 { color: var(--white); font-size: 17px; margin-bottom: 14px; }
.footer p, .footer-bottom { color: #b8c8d8; }
.footer a { display: block; color: #e7f1fb; margin: 8px 0; }
.brand-footer { margin-bottom: 18px; }
.brand-footer .brand-mark { background: var(--yellow); color: var(--navy); }
.brand-footer strong { color: var(--white); }
.brand-footer small { color: #b8c8d8; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.16); font-size: 13px; }
.sticky-whatsapp { position: fixed; z-index: 30; right: 20px; bottom: 20px; display: none; padding: 13px 16px; border-radius: 6px; background: var(--yellow); color: var(--navy); box-shadow: var(--shadow); text-decoration: none; font-weight: 900; }
@media (max-width: 1100px) {
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero h1, .page-hero h1 { max-width: 620px; }
}
@media (max-width: 860px) {
  .site-header { grid-template-columns: auto auto; justify-content: space-between; height: auto; min-height: 72px; padding: 14px 18px; }
  .menu-toggle { display: block; }
  .nav, .header-cta { display: none; }
  .site-header.open .nav { display: grid; grid-column: 1 / -1; justify-content: stretch; gap: 0; width: 100%; padding-top: 8px; }
  .site-header.open .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .site-header.open .header-cta { display: inline-flex; grid-column: 1 / -1; width: 100%; margin-top: 10px; }
  .hero { min-height: 690px; align-items: flex-start; padding-top: 70px; background-image: linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.9) 45%, rgba(255,255,255,.18) 100%), url("/assets/water-tanker-hero.png"); background-position: center bottom; }
  .hero-content { width: 100%; }
  .quick-quote, .cta-band, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .split-section, .contact-layout, .footer-grid { grid-template-columns: 1fr; }
  .industry-row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 620px) {
  .brand strong { font-size: 17px; }
  .brand small { font-size: 10px; }
  .brand-mark { width: 38px; height: 38px; }
  .hero h1, .page-hero h1 { font-size: clamp(39px, 13vw, 58px); }
  .hero p, .page-hero p { font-size: 17px; }
  .hero-actions, .contact-actions { align-items: stretch; flex-direction: column; }
  .btn { width: 100%; white-space: normal; text-align: center; }
  .service-grid, .service-grid.large, .timeline, .steps { grid-template-columns: 1fr; }
  .quick-quote { margin-inline: 14px; padding: 20px; }
  .section, .split-section, .contact-layout { padding-inline: 16px; }
  .page-hero { padding-inline: 16px; min-height: 360px; }
  .card { min-height: auto; }
  body.scrolled .sticky-whatsapp { display: inline-flex; left: 16px; right: 16px; justify-content: center; }
  .footer { padding-bottom: 90px; }
}