:root {
  --petroleum-950: #082b30;
  --petroleum-900: #0b343a;
  --petroleum-800: #123f46;
  --petroleum-700: #1c5660;
  --petroleum-100: #dce8e7;
  --ink: #1d292c;
  --muted: #627174;
  --soft: #f3f6f4;
  --line: #dbe3e1;
  --white: #fff;
  --radius: 22px;
  --shadow: 0 28px 70px rgba(5, 39, 44, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Aptos", "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
.container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.section { padding: 120px 0; }
.section-dark { color: var(--white); background: var(--petroleum-950); }
.section-soft { background: var(--soft); }
.skip-link {
  position: fixed; z-index: 100; left: 16px; top: -60px; padding: 10px 16px;
  color: var(--white); background: var(--petroleum-800); border-radius: 8px;
}
.skip-link:focus { top: 16px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.site-header {
  position: fixed; z-index: 50; inset: 0 0 auto; height: 82px;
  background: rgba(255,255,255,.94); border-bottom: 1px solid rgba(10,50,55,.09);
  backdrop-filter: blur(16px); transition: box-shadow .25s ease;
}
.site-header.scrolled { box-shadow: 0 14px 40px rgba(6, 42, 47, .08); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { width: 240px; height: 54px; overflow: hidden; display: block; }
.brand-crop { width: 100%; height: 100%; display: block; overflow: hidden; }
.brand img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 50%; transform: scale(1.05); }
.main-nav { display: flex; align-items: center; gap: 32px; font-size: 14px; font-weight: 600; color: #34464a; }
.main-nav a { position: relative; }
.main-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--petroleum-700); transition: right .25s ease; }
.main-nav a:hover::after { right: 0; }
.nav-cta { padding: 11px 18px; border: 1px solid var(--petroleum-800); border-radius: 999px; color: var(--petroleum-900); }
.nav-cta:hover { color: var(--white); background: var(--petroleum-800); }
.menu-toggle { display: none; border: 0; background: transparent; padding: 8px; }
.menu-toggle > span:not(.sr-only) { display: block; width: 26px; height: 2px; margin: 5px 0; background: var(--petroleum-900); }

.hero { position: relative; overflow: hidden; padding-top: 82px; background:
  radial-gradient(circle at 86% 20%, rgba(52, 112, 120, .28), transparent 30%),
  linear-gradient(145deg, #082b30 0%, #0b343a 50%, #092f35 100%); }
.hero::before { content: ""; position: absolute; inset: 82px 0 auto; height: 1px; background: rgba(255,255,255,.08); }
.hero-grid { min-height: 680px; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; padding-top: 72px; padding-bottom: 70px; }
.eyebrow { display: inline-block; margin-bottom: 20px; color: var(--petroleum-700); font-size: 12px; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
.eyebrow-light { color: #a8ceca; }
.hero h1 { margin: 0; max-width: 720px; font-size: clamp(58px, 7vw, 104px); line-height: .93; letter-spacing: -.055em; font-weight: 680; }
.hero h1 span { color: #a7d0cb; font-weight: 400; }
.hero-lead { max-width: 610px; margin: 32px 0 0; color: #d0dfdd; font-size: 20px; line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 42px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 0 24px; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-light { color: var(--petroleum-950); background: var(--white); }
.button-light:hover { background: #dff0ed; }
.text-link { color: #d5e3e1; font-size: 14px; font-weight: 600; }
.text-link span { display: inline-block; margin-left: 8px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(4px, 4px); }

.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.approval-card { width: min(100%, 500px); padding: 27px 30px 25px; border: 1px solid rgba(182, 219, 215, .28); background: rgba(9, 50, 56, .7); box-shadow: 0 30px 80px rgba(0,0,0,.16); }
.approval-header { padding-bottom: 19px; border-bottom: 1px solid rgba(179, 215, 211, .18); color: #a8cfca; font-size: 9px; font-weight: 700; letter-spacing: .17em; }
.approval-path { position: relative; display: grid; gap: 11px; margin: 24px 0 16px; padding: 0; list-style: none; }
.approval-path::before { content: ""; position: absolute; left: 22px; top: 34px; bottom: 34px; width: 1px; background: linear-gradient(#6c9894, #b9ddd8); }
.approval-path li { position: relative; z-index: 1; display: grid; grid-template-columns: 46px 1fr; align-items: center; gap: 16px; min-height: 77px; padding: 12px 16px 12px 0; color: #e8f1f0; background: rgba(8, 43, 48, .7); border: 1px solid rgba(174, 211, 207, .12); }
.approval-path li:nth-child(even) { margin-left: 32px; }
.approval-node { display: grid; width: 46px; height: 46px; place-items: center; color: #c5dfdc; background: var(--petroleum-950); border: 1px solid #719b97; border-radius: 50%; font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.approval-path small { display: block; margin-bottom: 3px; color: #8fb4b0; font-size: 8px; font-weight: 700; letter-spacing: .17em; }
.approval-path strong { display: block; font-size: 15px; font-weight: 600; line-height: 1.3; }
.approval-path .approval-goal { background: rgba(164, 207, 201, .12); border-color: rgba(183, 221, 216, .34); }
.approval-goal .approval-node { color: var(--petroleum-950); background: #b8dad6; border-color: #b8dad6; }

.split-layout { display: grid; grid-template-columns: .95fr 1.05fr; gap: 100px; }
.section-heading h2, .section-top h2, .process h2, .national h2, .faq h2, .contact h2 { margin: 0; font-size: clamp(40px, 4.6vw, 65px); line-height: 1.06; letter-spacing: -.04em; font-weight: 580; }
.intro-copy { padding-top: 40px; }
.intro-copy p { max-width: 640px; color: var(--muted); }
.intro-copy .lead { margin-top: 0; color: var(--ink); font-size: 24px; line-height: 1.5; }
.principles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.principles span { padding: 9px 15px; color: var(--petroleum-800); background: var(--soft); border: 1px solid var(--line); border-radius: 999px; font-size: 13px; font-weight: 700; }

.section-top { display: flex; align-items: end; justify-content: space-between; gap: 50px; margin-bottom: 54px; }
.section-top > div { max-width: 700px; }.section-top > p { max-width: 360px; margin: 0 0 7px; color: var(--muted); }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.service-card { position: relative; min-height: 295px; padding: 35px; overflow: hidden; background: var(--white); border: 1px solid #e0e7e5; border-radius: var(--radius); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-number { display: block; margin-bottom: 50px; color: #87a19e; font-size: 12px; font-weight: 700; letter-spacing: .12em; }
.service-card h3 { margin: 0 0 13px; font-size: 25px; line-height: 1.2; }.service-card p { max-width: 470px; margin: 0; color: var(--muted); }
.card-mark { position: absolute; top: 30px; right: 30px; display: grid; width: 36px; height: 36px; place-items: center; color: var(--petroleum-800); border: 1px solid var(--line); border-radius: 50%; transition: color .2s ease, background .2s ease; }
.service-card:hover .card-mark { color: var(--white); background: var(--petroleum-800); }

.expertise { background: var(--white); }
.expertise-heading { display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 80px; margin-bottom: 55px; }
.expertise-heading h2 { max-width: 760px; margin: 0; font-size: clamp(40px, 4.6vw, 65px); line-height: 1.06; letter-spacing: -.04em; font-weight: 580; }
.expertise-heading > p { max-width: 470px; margin: 0 0 7px; color: var(--muted); font-size: 17px; }
.analysis-pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); }
.analysis-pillars article { min-height: 275px; padding: 31px; background: var(--soft); }
.analysis-pillars span { display: block; margin-bottom: 48px; color: #7f9592; font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.analysis-pillars h3 { margin: 0 0 12px; font-size: 22px; font-weight: 600; }
.analysis-pillars p { margin: 0; color: var(--muted); }
.analysis-pillars .pillar-highlight { color: var(--white); background: var(--petroleum-800); }
.analysis-pillars .pillar-highlight span { color: #b4d5d1; }
.analysis-pillars .pillar-highlight p { color: #cee0de; }
.precontract { display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; margin-top: 18px; padding: 62px; background: var(--soft); border-radius: var(--radius); }
.precontract-copy h3 { max-width: 520px; margin: 0 0 20px; font-size: 34px; line-height: 1.15; letter-spacing: -.025em; font-weight: 590; }
.precontract-copy p { max-width: 530px; margin: 0; color: var(--muted); }
.precontract-copy .scope-note { margin-top: 22px; color: var(--petroleum-800); font-size: 13px; font-weight: 700; }
.bank-flow { margin: 0; padding: 0; list-style: none; border-top: 1px solid #cfdbd8; }
.bank-flow li { display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: center; min-height: 72px; border-bottom: 1px solid #cfdbd8; }
.bank-flow span { color: var(--petroleum-700); font-size: 10px; font-weight: 700; letter-spacing: .12em; }
.bank-flow strong { font-size: 17px; font-weight: 600; }
.institution-note { display: flex; align-items: center; justify-content: space-between; gap: 40px; margin-top: 28px; padding: 22px 26px; border-left: 3px solid var(--petroleum-700); background: #f7f9f8; }
.institution-note p { margin: 0; color: #526366; font-size: 14px; }
.institution-note a { flex: 0 0 auto; color: var(--petroleum-800); font-size: 13px; font-weight: 700; }
.institution-note a:hover { text-decoration: underline; }

.process-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.process-intro { position: sticky; top: 130px; align-self: start; }.process-intro p { max-width: 480px; margin-top: 25px; color: var(--muted); }
.steps { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 72px 1fr; gap: 20px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.steps li > span { color: var(--petroleum-700); font-size: 12px; font-weight: 700; letter-spacing: .13em; }
.steps h3 { margin: -7px 0 8px; font-size: 25px; font-weight: 600; }.steps p { margin: 0; color: var(--muted); }

.national { overflow: hidden; }.national-grid { min-height: 620px; display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 90px; }
.national-visual { position: relative; min-height: 430px; display: grid; place-items: center; }
.monogram { position: relative; z-index: 2; font-size: 70px; font-weight: 760; letter-spacing: -.08em; }
.orbit { position: absolute; border: 1px solid rgba(172,211,206,.24); border-radius: 50%; }
.orbit-one { width: 300px; height: 300px; }.orbit-two { width: 470px; height: 470px; }
.map-dot { position: absolute; z-index: 3; width: 9px; height: 9px; border-radius: 50%; background: #acd1cc; box-shadow: 0 0 0 8px rgba(172,209,204,.09); }
.dot-one { top: 72px; left: 40%; }.dot-two { top: 48%; right: 2%; }.dot-three { bottom: 46px; left: 37%; }.dot-four { top: 49%; left: 2%; }
.national-copy p { max-width: 580px; margin: 28px 0; color: #c3d4d2; font-size: 18px; }
.national-copy ul { margin: 0; padding: 0; list-style: none; }.national-copy li { position: relative; padding: 13px 0 13px 28px; border-bottom: 1px solid rgba(255,255,255,.1); color: #e6efee; }
.national-copy li::before { content: ""; position: absolute; left: 0; top: 24px; width: 8px; height: 8px; background: #a9d0cb; border-radius: 50%; }

.faq-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }.accordion { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }.accordion summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 27px 2px; cursor: pointer; list-style: none; font-size: 19px; font-weight: 600; }
.accordion summary::-webkit-details-marker { display: none; }.accordion summary::after { content: "+"; color: var(--petroleum-700); font-size: 26px; font-weight: 300; transition: transform .2s ease; }.accordion details[open] summary::after { transform: rotate(45deg); }
.accordion p { max-width: 620px; margin: -5px 45px 28px 2px; color: var(--muted); }

.contact { padding-top: 30px; }
.contact-panel { display: grid; grid-template-columns: .82fr 1.18fr; align-items: start; gap: 64px; padding: 72px; color: var(--white); background: var(--petroleum-800); border-radius: 28px; }
.contact-copy { position: sticky; top: 130px; }
.contact-panel p { max-width: 680px; margin: 24px 0 0; color: #cee0de; font-size: 18px; }
.contact-direct { display: flex; flex-direction: column; gap: 2px; margin-top: 38px; color: #b9d2cf; font-size: 12px; }
.contact-direct a { width: fit-content; color: var(--white); font-size: 15px; font-weight: 700; }
.contact-direct a:hover { text-decoration: underline; }
.contact-form-wrap { min-width: 0; }
.contact-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 18px; padding: 32px; color: var(--ink); background: var(--white); border-radius: 20px; box-shadow: 0 25px 60px rgba(5, 29, 33, .18); }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field-full { grid-column: 1 / -1; }
.form-field label { color: #3f5053; font-size: 12px; font-weight: 700; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 48px; padding: 11px 13px; color: var(--ink); background: #fbfcfb; border: 1px solid #ccd8d5; border-radius: 9px; outline: none; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.form-field textarea { min-height: 126px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { background: var(--white); border-color: var(--petroleum-700); box-shadow: 0 0 0 3px rgba(28, 86, 96, .12); }
.form-consent { display: grid; grid-template-columns: 18px 1fr; align-items: start; gap: 10px; color: #627174; font-size: 11px; line-height: 1.45; cursor: pointer; }
.form-consent input { width: 16px; height: 16px; margin: 1px 0 0; accent-color: var(--petroleum-700); }
.form-submit-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 3px; }
.form-submit { min-width: 178px; color: var(--white); background: var(--petroleum-900); border: 0; cursor: pointer; }
.form-submit:hover { background: var(--petroleum-700); }
.form-submit:disabled { cursor: wait; opacity: .75; transform: none; }
.form-submit-row > span { color: #718083; font-size: 11px; }
.form-honey { display: none !important; }
.form-success { padding: 54px 42px; color: var(--ink); text-align: center; background: var(--white); border-radius: 20px; box-shadow: 0 25px 60px rgba(5, 29, 33, .18); }
.form-success > span { display: grid; width: 54px; height: 54px; margin: 0 auto 20px; place-items: center; color: var(--white); background: var(--petroleum-700); border-radius: 50%; font-size: 25px; }
.form-success h3 { margin: 0; font-size: 28px; }
.form-success p { margin: 10px auto 0; color: var(--muted); font-size: 15px; }

.site-footer { margin-top: 110px; padding: 65px 0 24px; background: #f2f5f3; }.footer-main { display: grid; grid-template-columns: 1fr 1fr auto; gap: 60px; align-items: start; padding-bottom: 50px; }
.footer-brand { color: var(--petroleum-900); font-size: 30px; font-weight: 800; letter-spacing: -.06em; }.footer-brand span { margin-left: 8px; font-size: 14px; font-weight: 500; letter-spacing: .25em; }
.footer-meta p { margin: 0 0 5px; color: var(--muted); font-size: 14px; }.footer-main nav { display: flex; flex-direction: column; gap: 7px; font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 21px; border-top: 1px solid #d8e1df; color: #778486; font-size: 12px; letter-spacing: .04em; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 960px) {
  .section { padding: 90px 0; }
  .hero-grid, .split-layout, .process-grid, .national-grid, .faq-grid, .contact-panel { grid-template-columns: 1fr; }
  .hero-grid { gap: 20px; padding-top: 90px; }.hero-visual { min-height: 500px; }.approval-card { max-width: 470px; }
  .split-layout, .process-grid, .faq-grid { gap: 55px; }.intro-copy { padding-top: 0; }.process-intro { position: static; }
  .expertise-heading, .precontract { grid-template-columns: 1fr; gap: 45px; }.analysis-pillars { grid-template-columns: repeat(2, 1fr); }.analysis-pillars article { min-height: 235px; }.precontract { padding: 48px; }
  .national-grid { gap: 20px; padding: 80px 0; }.national-visual { order: 2; min-height: 380px; }.national-copy { order: 1; }
  .contact-panel { align-items: start; padding: 55px; }.contact-copy { position: static; }.footer-main { grid-template-columns: 1fr 1fr; }.footer-main nav { grid-column: 2; }
}

@media (max-width: 760px) {
  .container { width: min(100% - 32px, 1180px); }.site-header { height: 72px; }.brand { width: 190px; height: 44px; }
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .main-nav { position: fixed; inset: 72px 0 0; display: flex; flex-direction: column; align-items: flex-start; gap: 0; padding: 28px 24px; background: var(--white); transform: translateX(100%); transition: transform .3s ease; }
  .main-nav.open { transform: translateX(0); }.main-nav a { width: 100%; padding: 18px 4px; border-bottom: 1px solid var(--line); font-size: 17px; }.nav-cta { margin-top: 16px; text-align: center; border: 1px solid var(--petroleum-800) !important; }
  .hero { padding-top: 72px; }.hero-grid { min-height: auto; padding-top: 76px; padding-bottom: 35px; }.hero h1 { font-size: clamp(52px, 17vw, 78px); }.hero-lead { font-size: 18px; }.hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-visual { min-height: 490px; }.approval-card { width: 100%; padding: 23px 20px; }.approval-path li:nth-child(even) { margin-left: 18px; }
  .section-top { align-items: flex-start; flex-direction: column; margin-bottom: 36px; }.service-grid { grid-template-columns: 1fr; }.service-card { min-height: 270px; }
  .expertise-heading { gap: 28px; }.analysis-pillars { grid-template-columns: 1fr; }.analysis-pillars article { min-height: 220px; }.precontract { padding: 36px 24px; }.institution-note { align-items: flex-start; flex-direction: column; gap: 14px; }
  .national-visual { transform: scale(.84); }.contact-panel { padding: 38px 26px; }.contact-panel h2 { font-size: 42px; }.contact-form { grid-template-columns: 1fr; padding: 25px 20px; }.form-field-full { grid-column: auto; }.form-submit-row { align-items: flex-start; flex-direction: column; }.form-submit { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }.footer-main nav { grid-column: 1; }.footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}