@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');

:root{
  --navy:#0d2233; --navy-2:#17384d; --ink:#162632; --muted:#657580;
  --line:#dce4e8; --surface:#f5f7f8; --white:#fff; --accent:#4f7569;
  --accent-dark:#36594f; --accent-soft:#e9f0ed; --max:1180px;
  --shadow:0 18px 45px rgba(13,34,51,.10); --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"DM Sans",sans-serif;color:var(--ink);background:#fff;line-height:1.65}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.container{width:min(calc(100% - 40px),var(--max));margin:auto}
.eyebrow{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--accent)}
h1,h2,h3,h4{font-family:"Manrope",sans-serif;line-height:1.15;margin:0}
h1{font-size:clamp(2.7rem,6vw,5.8rem);letter-spacing:-.055em}
h2{font-size:clamp(2rem,4vw,3.5rem);letter-spacing:-.04em}
h3{font-size:1.18rem}
p{margin:0;color:var(--muted)}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:44px}
.section-head p{max-width:560px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 20px;border-radius:999px;border:1px solid var(--navy);background:var(--navy);color:#fff;font-weight:700;cursor:pointer;transition:.25s}
.btn:hover{transform:translateY(-2px);background:var(--navy-2)}
.btn.secondary{background:transparent;color:var(--navy)}
.btn.secondary:hover{background:var(--surface)}
.btn.light{background:#fff;color:var(--navy);border-color:#fff}
.icon-arrow{font-size:1.1rem}

/* header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,228,232,.8)}
.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:12px;font-family:"Manrope";font-weight:800;letter-spacing:-.02em}
.logo-mark{width:38px;height:38px;border-radius:50%;border:7px solid var(--navy);border-right-color:var(--accent);position:relative}
.logo-mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--accent);right:-9px;bottom:-4px}
.logo small{display:block;color:var(--muted);font:600 .62rem "DM Sans";letter-spacing:.12em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:30px;font-weight:700;font-size:.94rem}
.nav-links a{position:relative}
.nav-links a:after{content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--accent);transition:.25s}
.nav-links a:hover:after,.nav-links a.active:after{right:0}
.nav-actions{display:flex;align-items:center;gap:10px}
.menu-btn{display:none;border:0;background:var(--surface);width:44px;height:44px;border-radius:50%;font-size:1.2rem}

/* home */
.hero{min-height:720px;background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.76) 45%,rgba(8,27,40,.18) 100%),url('assets/images/refinery-home.jpg');background-position:center;background-size:cover;color:#fff;display:flex;align-items:end}
.hero-inner{padding:115px 0 88px}
.hero .eyebrow{color:#b9d2ca}
.hero h1{max-width:920px}
.hero p{max-width:660px;color:#d7e0e4;font-size:1.08rem;margin:24px 0 34px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{margin-top:76px;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.25)}
.hero-meta div{padding:24px 22px 0 0}
.hero-meta strong{display:block;font-family:"Manrope";font-size:1.35rem}
.hero-meta span{color:#bdcbd1;font-size:.88rem}
.placeholder-bg{background:linear-gradient(135deg,#cfd8dc,#8fa2ac);position:relative;overflow:hidden}
.placeholder-bg:before{content:"PLACE YOUR INDUSTRIAL IMAGE HERE";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.12em;text-align:center;padding:20px}
.trust-strip{border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:1.1fr repeat(4,1fr);align-items:center}
.trust-grid>*{padding:24px;border-right:1px solid var(--line);min-height:82px;display:grid;place-items:center;text-align:center}
.trust-grid>*:last-child{border-right:0}
.trust-grid span{font-weight:800;color:#7b8991;letter-spacing:.04em}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:center}
.about-visual{height:560px;border-radius:var(--radius)}
.stat-card{position:absolute;background:#fff;box-shadow:var(--shadow);padding:22px;border-radius:14px;right:-25px;bottom:30px;width:210px}
.visual-wrap{position:relative}
.stat-card strong{font:800 2.2rem "Manrope";display:block;color:var(--navy)}
.about-copy p{margin:22px 0 30px}
.check-list{display:grid;gap:13px;margin:24px 0 34px;padding:0;list-style:none}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-weight:600}
.check-list li:before{content:"✓";color:var(--accent);font-weight:900}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.category-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}
.category-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.category-icon{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-dark);font-weight:900;margin-bottom:40px}
.category-card p{margin:10px 0 26px}
.text-link{font-weight:800;color:var(--navy)}
.dark-band{background:var(--navy);color:#fff}
.dark-band p{color:#bac8cf}
.service-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:start}
.service-list{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.18)}
.service-item{padding:23px 0;border-bottom:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:20px}
.service-item span{color:#9eb0ba}
.cta{background:var(--accent-soft);border-radius:28px;padding:54px;display:flex;align-items:center;justify-content:space-between;gap:40px}
.cta p{margin-top:12px;max-width:650px}

/* page hero */
.page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.36) 100%),url('assets/images/refinery-inner.jpg');background-position:center;background-size:cover;color:#fff;padding:108px 0 82px;min-height:360px;display:flex;align-items:end}
.page-products .page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.30) 100%),url('assets/images/refinery-inner.jpg')}
.page-service .page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.30) 100%),url('assets/images/refinery-service.jpg')}
.page-about .page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.30) 100%),url('assets/images/refinery-about.jpg')}
.page-partners .page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.30) 100%),url('assets/images/refinery-partners.jpg')}
.page-contact .page-hero{background-image:linear-gradient(110deg,rgba(8,27,40,.93) 0%,rgba(8,27,40,.78) 48%,rgba(8,27,40,.30) 100%),url('assets/images/refinery-contact.jpg')}
.page-hero p{color:#c2cdd2;max-width:680px;margin-top:18px}
.breadcrumb{font-size:.82rem;color:#a9bbc4;margin-bottom:28px}

/* products */
.product-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:32px}
.search-box{flex:1;max-width:420px;position:relative}
.search-box input{width:100%;border:1px solid var(--line);border-radius:999px;padding:13px 18px;background:#fff;outline:none}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-btn{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:700;color:var(--muted)}
.filter-btn.active,.filter-btn:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.modal{position:fixed;inset:0;background:rgba(5,17,25,.72);z-index:2000;display:none;padding:25px;overflow:auto}
.modal.open{display:grid;place-items:center}
.modal-card{background:#fff;width:min(900px,100%);border-radius:22px;overflow:hidden;display:grid;grid-template-columns:.9fr 1.1fr;position:relative}
.modal-visual{min-height:480px;background:#edf1f2;overflow:hidden;display:flex;align-items:stretch;justify-content:stretch;padding:0}
.modal-visual img{width:100%;height:100%;min-height:480px;object-fit:cover;object-position:center}
.modal-copy{padding:50px}
.modal-copy p{margin:18px 0}
.modal-copy ul{padding-left:20px;color:var(--muted)}
.modal-close{position:absolute;right:16px;top:16px;width:40px;height:40px;border:0;border-radius:50%;background:#fff;box-shadow:0 6px 20px rgba(0,0,0,.1);font-size:1.3rem;cursor:pointer}

/* service */
.service-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.service-card{border:1px solid var(--line);padding:30px;border-radius:var(--radius)}
.service-card .num{color:var(--accent);font:800 .8rem "Manrope";letter-spacing:.1em}
.service-card h3{margin:24px 0 10px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.process div{padding:28px 28px 0 0}
.process strong{display:block;color:var(--accent);margin-bottom:14px}

/* about */
.story-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.story-image{height:520px;border-radius:var(--radius)}
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.value-card{padding:30px;border-radius:var(--radius);background:var(--surface)}
.value-card h3{margin-bottom:10px}
.vision-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.vision-card{padding:42px;border-radius:var(--radius);border:1px solid var(--line)}
.vision-card:first-child{background:var(--navy);color:#fff;border-color:var(--navy)}
.vision-card:first-child p{color:#c1cdd3}
.vision-card p{margin-top:16px}

/* partners */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.partner-card{height:170px;border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;padding:24px;text-align:center;transition:.25s}
.partner-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.partner-card img{max-height:80px;max-width:85%;object-fit:contain}
.partner-card span{font:800 1.05rem "Manrope";color:#667781}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px}
.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:.88rem}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field textarea{min-height:170px;resize:vertical}
.contact-side{display:grid;gap:16px}
.office{padding:28px;border:1px solid var(--line);border-radius:var(--radius)}
.office h3{margin-bottom:16px}
.office p+p{margin-top:8px}
.map-placeholder{height:300px;border-radius:var(--radius);margin-top:18px}

/* footer */
.footer{background:#091a26;color:#fff;padding:65px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr 1fr;gap:50px}
.footer p,.footer a{color:#aebdc5}
.footer h4{margin-bottom:16px}
.footer-links{display:grid;gap:8px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:20px;color:#91a3ad;font-size:.85rem}

/* responsive */
@media(max-width:900px){
  .nav-links{position:fixed;left:20px;right:20px;top:92px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px;padding:24px;display:none;flex-direction:column;align-items:flex-start}
  .nav-links.open{display:flex}.menu-btn{display:block}.nav-actions .btn{display:none}
  .hero{min-height:680px}.hero-meta{grid-template-columns:1fr}.hero-meta div{border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:16px}
  .trust-grid{grid-template-columns:1fr 1fr}.trust-grid>*{border-bottom:1px solid var(--line)}
  .about-grid,.service-grid,.story-grid,.contact-grid{grid-template-columns:1fr;gap:45px}
  .cards-3,.product-grid,.values{grid-template-columns:1fr 1fr}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .process{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .modal-card{grid-template-columns:1fr}.modal-visual{min-height:300px}.modal-visual img{min-height:300px}
}
@media(max-width:620px){
  .container{width:min(calc(100% - 28px),var(--max))}
  .section{padding:70px 0}.section-head{display:block}.section-head p{margin-top:14px}
  .hero-inner{padding:90px 0 60px}.hero-meta{margin-top:45px}
  .trust-grid,.cards-3,.product-grid,.service-cards,.values,.vision-grid,.partner-grid,.process,.footer-grid{grid-template-columns:1fr}
  .about-visual,.story-image{height:390px}.stat-card{right:10px}
  .product-toolbar{align-items:stretch;flex-direction:column}.search-box{max-width:none}.product-card-image{height:220px}
  .contact-form{grid-template-columns:1fr}.field.full{grid-column:auto}
  .cta{padding:34px;align-items:flex-start;flex-direction:column}
  .footer-bottom{flex-direction:column}
}

/* ============================================================
   BRAND / LOGO
   ============================================================ */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex: 0 0 52px;
}

.brand-text {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.brand-text strong {
  font-family: "Manrope", sans-serif;
  font-size: .86rem;
  line-height: 1.1;
  letter-spacing: -.01em;
  white-space: nowrap;
}

.brand-text small {
  color: var(--muted);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .11em;
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-logo {
  width: 92px;
  height: 92px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
}

.footer-intro {
  max-width: 340px;
  margin-top: 16px;
}

/* ============================================================
   PRODUCT CARDS
   Images intentionally fill the media area.
   Source photos are pre-cropped so brochure whitespace never
   creates the tiny-image problem seen in the earlier version.
   ============================================================ */

.product-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  cursor: default;
  transition: .25s;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.product-card-image {
  width: 100%;
  height: 250px;
  background: #e9eef0;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform .35s ease;
}

.product-card:hover .product-card-image img {
  transform: scale(1.035);
}

.product-card-body {
  padding: 25px 28px 28px;
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 18px;
}

.product-number {
  color: #a1afb6;
  font: 800 .78rem "Manrope", sans-serif;
  letter-spacing: .08em;
}

.product-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.product-card p {
  font-size: .92rem;
}

.product-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.text-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--navy);
  font-weight: 800;
  font-size: .86rem;
  cursor: pointer;
}

.text-button:hover {
  color: var(--accent-dark);
}

.document-note {
  color: #8b999f;
  font-size: .8rem;
  font-weight: 600;
}

.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 55px;
  text-align: center;
}

.empty-state p {
  margin-top: 6px;
}

/* ============================================================
   DOWNLOADS
   ============================================================ */

.download-grid {
  display: grid;
  gap: 16px;
}

.download-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.download-card {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  align-items: center;
  gap: 22px;
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.download-icon {
  width: 62px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font: 900 .75rem "Manrope", sans-serif;
}

.download-content h3 {
  margin: 7px 0 7px;
}

.download-content p {
  font-size: .9rem;
}

.download-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.download-tags span {
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: .72rem;
  font-weight: 700;
}

.btn.small {
  padding: 10px 15px;
  font-size: .84rem;
}

/* ============================================================
   PRODUCT MODAL
   ============================================================ */

body.modal-open {
  overflow: hidden;
}

.modal-card {
  display: block;
  width: min(760px, 100%);
}

.modal-copy {
  padding: 54px;
}

.modal-company {
  margin: 10px 0 6px !important;
  font-size: .85rem;
  font-weight: 700;
  color: var(--muted);
}

.modal-description {
  max-width: 620px;
}

.modal-copy h3 {
  margin-top: 30px;
}

.modal-list {
  margin: 15px 0 30px;
}

.modal-list li + li {
  margin-top: 8px;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ============================================================
   CONTACT FORM
   ============================================================

.form-note {
  font-size: .8rem;
  margin-top: 10px;
}

.contact-note {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--accent-soft);
}

.contact-note h3 {
  margin: 10px 0;
}

.contact-note .text-button {
  display: inline-block;
  margin-top: 18px;
}

/* ============================================================
   RESPONSIVE OVERRIDES
   ============================================================ */

@media (max-width: 900px) {
  .brand-text strong {
    font-size: .78rem;
  }

  .download-grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .brand-logo {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .brand-text small {
    display: none;
  }

  .brand-text strong {
    font-size: .72rem;
  }

  .download-card {
    grid-template-columns: 52px 1fr;
  }

  .download-icon {
    width: 52px;
    height: 62px;
  }

  .download-card .btn {
    grid-column: 1 / -1;
    width: 100%;
  }

  .modal-copy {
    padding: 35px 25px;
  }
}

.partner-name {
  font-family: "Manrope", sans-serif;
  font-size: .9rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--navy);
}

/* ============================================================
   PARTNERSHIP LOGOS
   ============================================================ */

.partner-strip-home {
  background: #fff;
  padding: 72px 0 64px;
}

.partner-strip-heading {
  display: grid;
  gap: 10px;
  margin-bottom: 30px;
}

.partner-strip-heading h2 {
  max-width: 720px;
}

.partner-strip-heading p {
  max-width: 720px;
}

.partner-logo-strip-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.partner-logo-card {
  min-height: 142px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  transition: .25s ease;
}

.partner-logo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: #cbd7dc;
}

.partner-logo-card img {
  width: 100%;
  height: 76px;
  object-fit: contain;
}

.partner-logo-card span {
  color: #667781;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.partner-strip-link {
  display: inline-flex;
  margin-top: 24px;
}

.partner-logo-wall {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.partner-logo-wall .partner-logo-card {
  min-height: 190px;
}

.principal-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.principal-card {
  display: grid;
  gap: 10px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: .25s ease;
}

.principal-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.principal-card h3 {
  font-size: 1.45rem;
}

.principal-card .text-button {
  margin-top: 10px;
}

/* ============================================================
   ORIGINAL ABOUT CONTENT
   ============================================================ */

.about-original-grid {
  display: grid;
  grid-template-columns: .95fr 1.35fr;
  gap: 72px;
  align-items: start;
}

.about-refinery-image {
  position: sticky;
  top: 110px;
  height: 610px;
  border-radius: 4px;
  overflow: hidden;
  background: #dfe6e9;
}

.about-refinery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-original-copy {
  padding-top: 4px;
}

.about-original-copy > .eyebrow {
  display: none;
}

.about-original-copy h2 {
  font-size: clamp(2rem, 3.3vw, 3.1rem);
  color: var(--navy);
  margin-bottom: 22px;
}

.about-original-copy h2:not(:first-of-type) {
  margin-top: 62px;
}

.about-original-copy p {
  font-size: 1.02rem;
  line-height: 1.85;
  max-width: 850px;
}

.original-mission {
  margin: 0;
  padding-left: 28px;
  display: grid;
  gap: 13px;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.original-mission li::marker {
  color: var(--accent);
}

@media(max-width:900px){
  .partner-logo-strip-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .partner-logo-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principal-grid { grid-template-columns: 1fr; }
  .about-original-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-refinery-image { position: static; height: 480px; }
}

@media(max-width:620px){
  .partner-logo-strip-grid,
  .partner-logo-wall { grid-template-columns: 1fr; }
  .partner-logo-card,
  .partner-logo-wall .partner-logo-card { min-height: 160px; }
  .about-refinery-image { height: 380px; }
}