/*
Theme Name: Nexus Petrochem Link FZC
Theme URI: https://nexuspetrochemlink.com
Description: Nexus Petrochem Link FZC corporate site, v4 "Supply Line" redesign (English).
Author: Nexus Petrochem Link FZC
Version: 4.0.0
Text Domain: nexus-petrochem-link
*/

:root {
  --graphite: #0b0f0e;
  --graphite-2: #141a18;
  --graphite-3: #1d2624;
  --bone: #f2efe7;
  --mist: #9aa7a3;
  --lime: #c8f04a;
  --lime-ink: #1f2a05;
  --line: rgba(242, 239, 231, 0.12);
  --radius: 4px;
  --wrap: 1240px;
  --sans: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Noto Sans", sans-serif;
  --display: "Inter Tight", "Segoe UI", system-ui, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); background: var(--graphite); color: var(--bone); line-height: 1.6; font-size: 16px; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.04; letter-spacing: -0.02em; margin: 0 0 0.45em; font-weight: 700; }
h1 { font-size: clamp(2.8rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
em { font-style: normal; color: var(--lime); }
.wrap { width: min(100% - 48px, var(--wrap)); margin-inline: auto; }
.section { padding: clamp(72px, 10vw, 128px) 0; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--lime); color: var(--lime-ink); padding: 8px 12px; z-index: 99; }
.skip-link:focus { left: 12px; top: 12px; }

.eyebrow { display: inline-flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lime); margin-bottom: 18px; }
.eyebrow-line { width: 36px; height: 1px; background: var(--lime); display: inline-block; }
.eyebrow.light { color: var(--lime); }

.button { display: inline-flex; align-items: center; gap: 10px; padding: 16px 24px; border-radius: 999px; text-decoration: none; font-weight: 600; font-size: 15px; border: 1px solid transparent; transition: background .25s, color .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--lime-ink); }
.button-primary:hover { background: #d8ff5c; }
.button-outline-light { border-color: var(--bone); color: var(--bone); }
.button-outline-light:hover { background: var(--bone); color: var(--graphite); }
.text-link { color: var(--bone); font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--lime); padding-bottom: 2px; }
.light-link { color: var(--bone); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(11, 15, 14, 0.82); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
body.admin-bar .site-header { top: 32px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 80px; }
.brand { display: inline-flex; align-items: center; }
.brand-logo { height: 44px; width: auto; }
.primary-nav { display: flex; gap: 28px; align-items: center; }
.primary-nav > a { text-decoration: none; font-family: var(--mono); font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--mist); }
.primary-nav > a:hover { color: var(--lime); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.nav-cta { text-decoration: none; background: var(--lime); color: var(--lime-ink); padding: 10px 18px; border-radius: 999px; font-weight: 700; font-size: 14px; }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--bone); margin: 5px auto; }
.mobile-nav-actions { display: none; }

/* Hero: supply-line motif */
.hero { position: relative; min-height: min(94vh, 820px); display: flex; align-items: flex-end; overflow: hidden; background: var(--graphite); }
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s ease; }
.hero-slide.is-active { opacity: 0.55; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(0.4) contrast(1.05); }
.hero-wash { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,15,14,.35) 0%, var(--graphite) 92%); }
.supply-line { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.supply-line path { fill: none; stroke: var(--lime); stroke-width: 1; stroke-dasharray: 6 10; animation: flow 22s linear infinite; opacity: .55; }
.supply-line circle { fill: var(--lime); }
@keyframes flow { to { stroke-dashoffset: -640; } }
.hero-content { position: relative; padding-bottom: 150px; padding-top: 160px; }
.hero h1 em { color: var(--lime); }
.hero-lede { font-size: clamp(1.1rem, 1.8vw, 1.3rem); max-width: 560px; color: var(--mist); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.hero-bottom { position: absolute; left: 0; right: 0; bottom: 28px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.location-pill { margin: 0; font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--mist); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgba(200,240,74,.18); margin-inline-end: 8px; }
.carousel-controls { display: flex; gap: 10px; align-items: center; }
.carousel-arrow { background: transparent; color: var(--bone); border: 1px solid var(--line); width: 42px; height: 42px; border-radius: 50%; cursor: pointer; }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dot { width: 22px; height: 3px; border: 0; background: rgba(242,239,231,.3); cursor: pointer; }
.carousel-dot.is-active { background: var(--lime); }
.hero-index, .hero-side-note { display: none; }

/* Trust bar */
.trust-bar { background: var(--graphite-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.trust-grid div { padding: 28px 24px; border-inline-start: 1px solid var(--line); display: grid; gap: 6px; }
.trust-grid div:first-child { border-inline-start: 0; padding-inline-start: 0; }
.trust-grid strong { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--lime); font-weight: 500; }
.trust-grid span { font-size: 15px; color: var(--mist); }

/* Ribbon (kept for the English markup) */
.intro-ribbon { background: var(--bone); color: var(--graphite); }
.ribbon-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 26px 0; }
.ribbon-label { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.ribbon-inner p { margin: 0; font-family: var(--display); font-size: 1.3rem; }
.ribbon-link { text-decoration: none; font-weight: 700; color: var(--graphite); border-bottom: 2px solid var(--lime); }

/* About */
.about-section { background: var(--bone); color: var(--graphite); }
.about-section em { color: var(--graphite); background: linear-gradient(transparent 60%, var(--lime) 60%); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-visual { position: relative; }
.about-visual img { aspect-ratio: 4 / 5; object-fit: cover; width: 100%; border-radius: var(--radius); filter: grayscale(.2); }
.image-caption { position: absolute; left: -14px; bottom: 28px; background: var(--graphite); color: var(--bone); padding: 14px 18px; display: flex; gap: 12px; align-items: center; }
.caption-mark { font-family: var(--display); font-weight: 800; font-size: 30px; color: var(--lime); }
.image-caption small { display: block; color: var(--mist); }
.about-stamp { display: none; }
.lead { font-size: 1.2rem; font-weight: 500; }
.about-section p { color: #3b4644; }
.purpose-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 28px 0; }
.purpose-card { border-top: 2px solid var(--graphite); padding-top: 18px; }
.mini-label { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.purpose-card h3 { font-size: 1.2rem; margin-top: 8px; }
.purpose-card p { margin: 0; font-size: 15px; color: #3b4644; }
.about-section .text-link { color: var(--graphite); }

/* Section headings */
.section-heading { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 56px; }
.heading-aside { max-width: 400px; color: var(--mist); margin: 0; }

/* Products: numbered tiles */
.products-section { background: var(--graphite); }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.product-card { position: relative; background: var(--graphite); padding: 40px; min-height: 260px; display: flex; flex-direction: column; justify-content: space-between; gap: 24px; transition: background .3s; }
.product-card:hover { background: var(--graphite-2); }
.product-card-featured { background: var(--graphite-2); }
.product-card-top { display: flex; justify-content: space-between; align-items: center; }
.product-number { font-family: var(--mono); font-size: 13px; color: var(--lime); }
.product-icon { width: 44px; height: 44px; color: var(--bone); }
.product-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.product-card-body p { color: var(--mist); font-size: 15px; }
.card-link { text-decoration: none; font-family: var(--mono); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--lime); }
.card-orbit { display: none; }
.product-footnote { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 24px; padding: 20px 0; border-top: 1px solid var(--line); }
.product-footnote p { margin: 0; flex: 1; min-width: 240px; color: var(--mist); font-size: 15px; }
.footnote-icon { width: 28px; height: 28px; border: 1px solid var(--lime); color: var(--lime); border-radius: 50%; display: grid; place-items: center; font-family: var(--mono); }

/* Industries */
.industries-section { background: var(--bone); color: var(--graphite); }
.industries-intro p { color: #3b4644; }
.industries-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.industry-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid var(--graphite); }
.industry-item { display: flex; align-items: center; gap: 14px; padding: 22px 4px; border-bottom: 1px solid rgba(11,15,14,.18); }
.industry-item small { display: block; font-family: var(--mono); color: #55625f; font-size: 11px; }
.industry-item strong { font-family: var(--display); font-size: 1.15rem; }
.industry-symbol { display: none; }
.industry-arrow { margin-inline-start: auto; font-family: var(--mono); }
.industries-section .light-link { color: var(--graphite); }
.industries-section .text-link { color: var(--graphite); }
.industry-grid-lines { display: none; }

/* Steps: supply-line timeline */
.steps-section { background: var(--graphite-2); }
.steps-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; position: relative; counter-reset: step; }
.steps-grid::before { content: ""; position: absolute; top: 19px; left: 8%; right: 8%; height: 1px; background: repeating-linear-gradient(90deg, var(--lime) 0 6px, transparent 6px 12px); opacity: .6; }
.steps-grid li { position: relative; padding-top: 6px; }
.step-num { position: relative; display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--graphite); border: 1px solid var(--lime); color: var(--lime); font-family: var(--mono); margin-bottom: 20px; }
.steps-grid p { color: var(--mist); margin: 0; }

/* Services */
.services-section { background: var(--graphite); }
.service-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.service-row { display: grid; grid-template-columns: 56px 1fr 24px; gap: 14px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.service-index { font-family: var(--mono); color: var(--lime); font-size: 13px; padding-top: 6px; }
.service-row p { margin: 0; color: var(--mist); font-size: 15px; }
.service-arrow { color: var(--lime); }
.why-panel { background: var(--lime); color: var(--lime-ink); padding: 40px; position: relative; overflow: hidden; }
.why-panel-top { display: flex; align-items: center; gap: 12px; }
.network-symbol { display: none; }
.why-label { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.why-panel h3 { font-size: 1.8rem; }
.why-panel ul { list-style: none; padding: 0; margin: 18px 0 28px; }
.why-panel li { padding: 12px 0; border-bottom: 1px solid rgba(31,42,5,.25); font-weight: 600; }
.why-panel li span { font-family: var(--mono); margin-inline-end: 10px; font-weight: 500; }
.why-panel .button-outline-light { border-color: var(--lime-ink); color: var(--lime-ink); }
.why-panel .button-outline-light:hover { background: var(--lime-ink); color: var(--lime); }
.panel-decoration { position: absolute; right: -8px; bottom: -60px; font-family: var(--display); font-weight: 800; font-size: 260px; opacity: .1; }

/* Testimonial */
.testimonial-section { background: var(--bone); color: var(--graphite); }
.testimonial-layout { display: grid; grid-template-columns: 1fr 1.4fr; gap: 56px; }
.testimonial-section .eyebrow { color: var(--graphite); }
.testimonial-section .eyebrow-line { background: var(--graphite); }
.testimonial-pending { position: relative; margin: 0; padding: 48px; background: var(--graphite); color: var(--bone); border-radius: var(--radius); }
.quote-mark { position: absolute; top: 8px; left: 28px; font-family: var(--display); font-size: 110px; color: var(--lime); line-height: 1; }
.testimonial-status { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--lime); }
.testimonial-version { margin-bottom: 20px; }
.testimonial-language-label { display: none; }
.testimonial-quote { font-family: var(--display); font-size: 1.35rem; line-height: 1.4; }
.testimonial-attribution strong { display: block; }
.testimonial-attribution span { color: var(--mist); font-size: 14px; }

/* Contact */
.contact-section { background: var(--graphite); }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.contact-lede { color: var(--mist); font-size: 1.1rem; }
.contact-methods { display: grid; gap: 0; margin: 28px 0; border-top: 1px solid var(--line); }
.contact-method { display: grid; grid-template-columns: 36px 1fr 20px; gap: 14px; align-items: center; padding: 18px 4px; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding .25s, color .25s; }
.contact-method:hover { padding-inline-start: 12px; color: var(--lime); }
.contact-method small { display: block; color: var(--mist); font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }
.method-icon, .method-arrow { color: var(--lime); }
.map-card { border: 1px solid var(--line); padding: 20px; }
.map-heading { display: flex; gap: 12px; align-items: center; }
.map-heading small { display: block; color: var(--mist); }
.map-heading a { margin-inline-start: auto; color: var(--lime); }
.map-visual { display: none; }
.form-card { background: var(--bone); color: var(--graphite); padding: 40px; border-radius: var(--radius); }
.form-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: #55625f; }
.form-heading p { color: #3b4644; }
.inquiry-form { display: grid; gap: 14px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.inquiry-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { font: inherit; font-weight: 400; padding: 13px 14px; border: 1px solid rgba(11,15,14,.25); border-radius: 2px; background: #fff; color: var(--graphite); }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { outline: 2px solid var(--lime); outline-offset: 1px; }
.form-trap { position: absolute; left: -9999px; }
.form-note, .form-activation-note { font-size: 13px; color: #55625f; margin: 0; }
.form-submit { justify-self: start; border: 0; cursor: pointer; }
.form-submit { background: var(--graphite); color: var(--bone); }
.form-status { color: var(--graphite); min-height: 1em; margin: 0; }

/* Footer */
.site-footer { background: #070a09; color: var(--mist); padding-top: 72px; border-top: 1px solid var(--line); }
.footer-main { display: grid; gap: 40px; grid-template-columns: 1.4fr 1fr 1fr; padding-bottom: 48px; }
.footer-brand { display: inline-block; margin-bottom: 16px; }
.footer-links { display: grid; gap: 10px; align-content: start; }
.footer-links h2 { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--lime); font-weight: 500; margin-bottom: 6px; }
.footer-links a, .footer-links span { text-decoration: none; font-size: 15px; }
.footer-links a:hover { color: var(--lime); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; padding: 22px 0; border-top: 1px solid var(--line); font-size: 13px; font-family: var(--mono); }
.footer-bottom p { margin: 0; }
.back-top { text-decoration: none; }
.floating-whatsapp { position: fixed; right: 20px; bottom: 20px; z-index: 40; background: var(--lime); color: var(--lime-ink); padding: 13px 18px; border-radius: 999px; text-decoration: none; font-weight: 700; box-shadow: 0 10px 30px rgba(0,0,0,.4); }
.floating-label { margin-inline-start: 6px; }

/* Product detail pages */
.product-hero { position: relative; background: var(--graphite-2); padding: 140px 0 80px; border-bottom: 1px solid var(--line); overflow: hidden; }
.product-hero::after { content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px; border: 1px solid var(--lime); border-radius: 50%; opacity: .25; }
.product-hero h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
.product-hero p { color: var(--mist); max-width: 640px; font-size: 1.1rem; }
.breadcrumb { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--mist); margin-bottom: 18px; }
.breadcrumb a { text-decoration: none; color: var(--lime); }
.product-body { display: grid; grid-template-columns: 2fr 1fr; gap: 48px; padding: 72px 0; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: start; padding: 16px 4px; border-bottom: 1px solid var(--line); }
.spec-table th { width: 40%; color: var(--mist); font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; font-weight: 500; }
.product-aside { background: var(--bone); color: var(--graphite); padding: 32px; align-self: start; }
.product-aside h2 { font-size: 1.5rem; }
.product-aside ul { padding-inline-start: 18px; color: #3b4644; }
.aside-note { font-size: 13px; color: #55625f; margin-top: 14px; }
.product-hero .button { margin-top: 20px; }

/* Responsive */
@media (max-width: 960px) {
  .about-layout, .industries-layout, .service-layout, .testimonial-layout, .contact-layout, .product-body { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .header-actions { display: none; }
  .primary-nav { position: fixed; inset: 80px 0 auto 0; background: var(--graphite); flex-direction: column; align-items: stretch; padding: 24px; gap: 18px; transform: translateY(-120%); transition: transform .35s; z-index: 49; border-bottom: 1px solid var(--line); }
  .primary-nav.is-open { transform: translateY(0); }
  .mobile-nav-actions { display: flex; flex-direction: column; gap: 12px; }
  .mobile-nav-actions .nav-cta { text-align: center; }
  .trust-grid, .steps-grid, .purpose-grid { grid-template-columns: 1fr; }
  .trust-grid div { border-inline-start: 0; padding-inline-start: 0; }
  .steps-grid::before { display: none; }
  .hero-bottom { flex-wrap: wrap; }
}
@media (max-width: 640px) {
  .product-grid, .industry-list, .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 40px 1fr; }
  .service-arrow { display: none; }
  .testimonial-pending, .form-card, .product-card { padding: 26px; }
  .image-caption { left: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* v6: client section */
.clients-section { background: var(--graphite-2); }
.clients-grid { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.clients-grid li { background: var(--graphite-2); padding: 28px; display: grid; gap: 6px; }
.clients-grid strong { font-family: var(--display); font-size: 1.1rem; }
.clients-grid span { font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--mist); }
@media (max-width: 960px) { .clients-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .clients-grid { grid-template-columns: 1fr; } }