/*
Theme Name: Onsite Gas Systems
Theme URI: https://example.com/
Author: OPCT IT PARTNERS
Description: A responsive healthcare medical-gas WordPress theme for Onsite Gas Systems, focused on plant construction, pipeline systems, commissioning and maintenance.
Version: 2.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: onsite-gas-systems
*/

:root {
  --ogs-ink: #0d2034;
  --ogs-navy: #06192d;
  --ogs-navy-2: #08243f;
  --ogs-blue: #0969bd;
  --ogs-blue-2: #0b84df;
  --ogs-cyan: #35c4f2;
  --ogs-ice: #e9f7ff;
  --ogs-sky: #f4faff;
  --ogs-steel: #7890a7;
  --ogs-muted: #5f7388;
  --ogs-line: #d8e6f1;
  --ogs-line-dark: rgba(151, 196, 230, .2);
  --ogs-white: #fff;
  --ogs-green: #54d6be;
  --ogs-shadow: 0 24px 70px rgba(4, 25, 45, .13);
  --ogs-shadow-soft: 0 16px 44px rgba(7, 37, 65, .08);
  --ogs-radius: 22px;
  --ogs-max: 1220px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ogs-ink);
  background: #f7fbfe;
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.admin-bar .site-header { top: 32px; }
img { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
::selection { background: var(--ogs-cyan); color: var(--ogs-navy); }

.ogs-shell { width: min(calc(100% - 40px), var(--ogs-max)); margin-inline: auto; }
.ogs-section { padding: 104px 0; }
.ogs-section--light { background: #fbfdff; }
.ogs-kicker,
.ogs-content-kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 16px;
  color: var(--ogs-blue-2);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.ogs-kicker::before,
.ogs-content-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: currentColor;
}
.ogs-heading {
  margin: 0;
  color: var(--ogs-navy);
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(2.5rem, 5vw, 4.75rem);
  line-height: .96;
  letter-spacing: -.035em;
}
.ogs-lead { margin: 0; color: var(--ogs-muted); font-size: 1rem; max-width: 680px; }
.ogs-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .72fr);
  gap: 64px;
  align-items: end;
  margin-bottom: 44px;
}
.ogs-text-link { display: inline-flex; margin-top: 16px; color: var(--ogs-blue); font-weight: 800; }
.ogs-text-link:hover { color: var(--ogs-blue-2); }

/* Header */
.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  background: rgba(5, 24, 43, .95);
  border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px);
}
.ogs-nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 26px;
}
.ogs-brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; color: white; }
.ogs-brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(75, 196, 244, .45);
  border-radius: 10px;
  background: linear-gradient(145deg, rgba(54,196,242,.14), rgba(6,31,54,.15));
  color: var(--ogs-cyan);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
}
.ogs-brand-mark svg { width: 30px; height: 30px; }
.ogs-brand-copy { display: flex; flex-direction: column; line-height: 1; }
.ogs-brand-copy strong { font-family: "Rajdhani", sans-serif; font-size: 1.16rem; letter-spacing: .07em; }
.ogs-brand-copy span { margin-top: 4px; color: #9fbbd1; font-size: .63rem; letter-spacing: .08em; text-transform: uppercase; }
.ogs-brand--logo .custom-logo-link { display: flex; align-items: center; }
.ogs-brand--logo .custom-logo { max-height: 54px; width: auto; }
.ogs-nav nav { margin-left: auto; }
.ogs-menu { display: flex; align-items: center; gap: 24px; margin: 0; padding: 0; list-style: none; }
.ogs-menu a { color: #c9dceb; font-size: .76rem; font-weight: 700; white-space: nowrap; }
.ogs-menu a:hover,
.ogs-menu .current-menu-item > a { color: white; }
.ogs-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid rgba(53,196,242,.52);
  border-radius: 8px;
  color: #e9f8ff;
  font-size: .76rem;
  font-weight: 800;
}
.ogs-nav-cta:hover { background: var(--ogs-cyan); color: var(--ogs-navy); border-color: var(--ogs-cyan); }
.ogs-menu-toggle { display: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid rgba(255,255,255,.15); border-radius: 9px; background: transparent; color: white; }

/* Hero */
.ogs-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 84% 16%, rgba(37, 163, 227, .24), transparent 26%),
    radial-gradient(circle at 62% 78%, rgba(53,196,242,.12), transparent 28%),
    linear-gradient(130deg, #041321 0%, #061e36 54%, #082b4b 100%);
  color: white;
}
.ogs-hero::after {
  content: "";
  position: absolute;
  width: 560px;
  height: 560px;
  right: -250px;
  bottom: -350px;
  border: 1px solid rgba(86, 196, 241, .2);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(86,196,241,.025), 0 0 0 140px rgba(86,196,241,.018);
}
.ogs-hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255,255,255,.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.09) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to right, transparent 0, black 32%, black 100%);
}
.ogs-hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(460px, .96fr);
  gap: 72px;
  align-items: center;
  min-height: 760px;
  padding: 74px 0 108px;
}
.ogs-hero-copy { max-width: 700px; }
.ogs-hero h1 {
  max-width: 760px;
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(4rem, 7vw, 7.15rem);
  line-height: .84;
  letter-spacing: -.048em;
}
.ogs-hero-lead { max-width: 690px; margin: 27px 0 0; color: #c5dbea; font-size: 1.03rem; line-height: 1.8; }
.ogs-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.ogs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: .8rem;
  font-weight: 800;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}
.ogs-btn:hover { transform: translateY(-2px); }
.ogs-btn--primary { background: linear-gradient(135deg, var(--ogs-cyan), #2b9ee5); color: #05203a; box-shadow: 0 12px 32px rgba(46, 177, 230, .24); }
.ogs-btn--primary:hover { background: #71dafa; }
.ogs-btn--ghost { border-color: rgba(255,255,255,.22); color: white; background: rgba(255,255,255,.035); }
.ogs-btn--ghost:hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.07); }
.ogs-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.ogs-hero-tags span { padding: 7px 10px; border: 1px solid rgba(134,194,229,.17); border-radius: 6px; color: #9fbcd1; font-size: .67rem; letter-spacing: .06em; text-transform: uppercase; }

/* Schematic */
.ogs-plant-visual {
  position: relative;
  min-height: 500px;
  padding: 24px;
  overflow: hidden;
  border: 1px solid rgba(139, 205, 237, .25);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(12,45,74,.82), rgba(5,25,44,.95));
  box-shadow: 0 32px 90px rgba(0,0,0,.25), inset 0 0 60px rgba(51, 184, 240, .035);
}
.ogs-plant-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(95,188,232,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95,188,232,.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}
.ogs-visual-head { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; color: #abc9da; font-size: .64rem; font-weight: 800; letter-spacing: .14em; }
.ogs-live-dot { display: inline-flex; align-items: center; gap: 7px; color: #8bd3e9; }
.ogs-live-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--ogs-green); box-shadow: 0 0 0 5px rgba(84,214,190,.1); }
.ogs-source-bank { position: absolute; z-index: 2; left: 26px; top: 94px; display: flex; align-items: end; gap: 8px; }
.ogs-cylinder { position: relative; width: 40px; height: 110px; padding-top: 18px; border: 1px solid rgba(170,213,236,.25); border-radius: 14px 14px 7px 7px; background: linear-gradient(90deg,#123b59,#0c2b45 60%,#174360); text-align: center; box-shadow: inset 5px 0 10px rgba(255,255,255,.025); }
.ogs-cylinder i { position: absolute; top: -11px; left: 12px; width: 16px; height: 12px; border: 1px solid rgba(170,213,236,.25); border-bottom: 0; border-radius: 4px 4px 0 0; }
.ogs-cylinder b { font-family: "Rajdhani"; font-size: .82rem; color: #8ccfe9; }
.ogs-manifold-box { width: 126px; min-height: 91px; margin-left: 8px; padding: 15px; border: 1px solid rgba(65,192,241,.28); border-radius: 10px; background: rgba(6,25,43,.72); }
.ogs-manifold-box span,.ogs-manifold-box strong,.ogs-manifold-box small { display: block; }
.ogs-manifold-box span { color: var(--ogs-cyan); font-size: .58rem; font-weight: 800; letter-spacing: .12em; }
.ogs-manifold-box strong { margin-top: 5px; color: #eaf9ff; font-family: "Rajdhani"; font-size: 1rem; }
.ogs-manifold-box small { margin-top: 3px; color: #7da1b9; font-size: .62rem; }
.ogs-main-pipe { position: absolute; left: 119px; top: 203px; width: 280px; height: 54px; border-left: 3px solid #77bddc; border-bottom: 3px solid #77bddc; border-radius: 0 0 0 9px; opacity: .75; }
.ogs-main-pipe::after { content: ""; position: absolute; right: -3px; bottom: -3px; width: 3px; height: 42px; background: #77bddc; }
.ogs-pipeline-stack { position: absolute; z-index: 2; left: 210px; right: 26px; top: 248px; display: grid; gap: 11px; }
.ogs-gas-line { display: grid; grid-template-columns: 94px 1fr 28px; gap: 12px; align-items: center; color: #9bc3d9; font-size: .58rem; font-weight: 800; letter-spacing: .08em; }
.ogs-gas-line i { height: 7px; border: 1px solid rgba(110,199,235,.36); border-radius: 10px; background: linear-gradient(90deg, rgba(64,190,239,.72), rgba(44,126,182,.3)); box-shadow: 0 0 20px rgba(53,196,242,.08); }
.ogs-gas-line b { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid rgba(107,189,224,.28); border-radius: 5px; color: #d4eff9; font-size: .6rem; }
.ogs-clinical-end { position: absolute; z-index: 2; left: 46px; right: 26px; bottom: 62px; display: grid; grid-template-columns: repeat(3,1fr); gap: 9px; }
.ogs-clinical-end div { padding: 12px; border: 1px solid rgba(123,190,222,.18); border-radius: 8px; background: rgba(6,29,49,.72); }
.ogs-clinical-end span,.ogs-clinical-end b { display: block; }
.ogs-clinical-end span { color: #6f9eb6; font-size: .52rem; letter-spacing: .1em; }
.ogs-clinical-end b { margin-top: 3px; color: #d8edf7; font-family: "Rajdhani"; font-size: .9rem; }
.ogs-visual-foot { position: absolute; z-index: 2; left: 26px; right: 26px; bottom: 18px; display: flex; justify-content: space-between; color: #5f8298; font-size: .52rem; letter-spacing: .12em; text-transform: uppercase; }

.ogs-capability-strip { position: relative; z-index: 4; margin-top: -42px; }
.ogs-capability-strip-grid { display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; border: 1px solid var(--ogs-line); border-radius: 14px; background: white; box-shadow: var(--ogs-shadow); }
.ogs-capability-strip-grid > div { min-height: 108px; padding: 25px; border-right: 1px solid var(--ogs-line); }
.ogs-capability-strip-grid > div:last-child { border-right: 0; }
.ogs-capability-strip strong,.ogs-capability-strip span { display: block; }
.ogs-capability-strip strong { color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.15rem; }
.ogs-capability-strip span { margin-top: 4px; color: var(--ogs-muted); font-size: .72rem; }

/* Services */
.ogs-services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.ogs-services-grid--8 { grid-template-columns: repeat(4,1fr); }
.ogs-service-card {
  position: relative;
  min-height: 298px;
  padding: 27px;
  border: 1px solid var(--ogs-line);
  border-radius: 15px;
  background: white;
  box-shadow: 0 12px 32px rgba(9,55,92,.045);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.ogs-service-card:hover { transform: translateY(-5px); border-color: #b9d9ec; box-shadow: var(--ogs-shadow-soft); }
.ogs-service-no { color: #9cb3c5; font-family: "Rajdhani"; font-size: .82rem; font-weight: 800; letter-spacing: .1em; }
.ogs-service-card h3 { margin: 28px 0 10px; color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.62rem; line-height: 1.05; }
.ogs-service-card p { margin: 0; color: var(--ogs-muted); font-size: .82rem; }
.ogs-service-card a { position: absolute; left: 27px; bottom: 25px; color: var(--ogs-blue); font-size: .72rem; font-weight: 800; }
.ogs-service-card a span { transition: margin .2s ease; }
.ogs-service-card:hover a span { margin-left: 5px; }

/* Systems */
.ogs-systems { background: #071c31; color: white; }
.ogs-systems-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 80px; align-items: start; }
.ogs-systems .ogs-heading { color: white; }
.ogs-systems-copy p { color: #a9c1d3; }
.ogs-systems .ogs-text-link { color: #5ed2f7; }
.ogs-system-list { border-top: 1px solid rgba(255,255,255,.12); }
.ogs-system-row { display: grid; grid-template-columns: 72px 160px 1fr; gap: 20px; align-items: center; min-height: 74px; border-bottom: 1px solid rgba(255,255,255,.1); }
.ogs-system-row > b { display: grid; place-items: center; width: 46px; height: 30px; border: 1px solid rgba(82,193,235,.32); border-radius: 5px; color: var(--ogs-cyan); font-family: "Rajdhani"; font-size: .78rem; }
.ogs-system-row strong { font-family: "Rajdhani"; font-size: 1.1rem; }
.ogs-system-row span { color: #8eadc1; font-size: .78rem; }

/* Plant construction */
.ogs-plant-section { background: linear-gradient(#fff, #f6fbff); }
.ogs-plant-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 16px; }
.ogs-plant-card { min-height: 235px; padding: 26px; border: 1px solid var(--ogs-line); border-radius: 15px; background: white; box-shadow: 0 12px 35px rgba(4,31,53,.045); }
.ogs-plant-card--feature { grid-row: span 2; min-height: 486px; color: white; background: linear-gradient(145deg,#07213c,#0a3d69); border-color: #174b74; }
.ogs-card-tag { display: inline-flex; padding: 5px 8px; border: 1px solid #b9d7e9; border-radius: 4px; color: var(--ogs-blue); font-size: .58rem; font-weight: 800; letter-spacing: .12em; }
.ogs-plant-card--feature .ogs-card-tag { color: #6cd9f9; border-color: rgba(108,217,249,.35); }
.ogs-plant-card h3 { margin: 20px 0 9px; color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.55rem; line-height: 1.02; }
.ogs-plant-card--feature h3 { margin-top: 34px; color: white; font-size: 2.6rem; }
.ogs-plant-card p { margin: 0; color: var(--ogs-muted); font-size: .82rem; }
.ogs-plant-card--feature p { color: #b7cddd; }
.ogs-plant-card ul { margin: 28px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ogs-plant-card li { padding: 10px 12px; border-left: 2px solid var(--ogs-cyan); background: rgba(255,255,255,.045); color: #d8eaf4; font-size: .76rem; }

/* Process */
.ogs-project-flow { background: white; }
.ogs-process { display: grid; gap: 12px; margin-top: 38px; }
.ogs-process--6 { grid-template-columns: repeat(3,1fr); }
.ogs-step { min-height: 190px; padding: 24px; border: 1px solid var(--ogs-line); border-radius: 12px; background: #f9fcff; }
.ogs-step b,.ogs-step strong,.ogs-step span { display: block; }
.ogs-step b { color: var(--ogs-blue); font-family: "Rajdhani"; font-size: 1.1rem; letter-spacing: .08em; }
.ogs-step strong { margin-top: 23px; color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.32rem; }
.ogs-step span { margin-top: 7px; color: var(--ogs-muted); font-size: .75rem; }

/* Standards */
.ogs-standards { background: linear-gradient(135deg, #eaf7ff, #f8fcff 48%, #eef8fd); }
.ogs-standards-grid { display: grid; grid-template-columns: .84fr 1.16fr; gap: 70px; align-items: start; }
.ogs-standards-grid > div:first-child p { color: var(--ogs-muted); }
.ogs-standard-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ogs-standard-cards > div { min-height: 145px; padding: 22px; border: 1px solid #c9e3f1; border-radius: 12px; background: rgba(255,255,255,.68); }
.ogs-standard-cards strong,.ogs-standard-cards span { display: block; }
.ogs-standard-cards strong { color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.25rem; }
.ogs-standard-cards span { margin-top: 7px; color: var(--ogs-muted); font-size: .75rem; }
.ogs-standards-note { grid-column: 1 / -1; padding-top: 22px; border-top: 1px solid #cbdfea; color: #5f7485; font-size: .7rem; }

/* Sectors */
.ogs-sector-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.ogs-sector-grid > div { min-height: 205px; padding: 24px; border: 1px solid var(--ogs-line); border-radius: 12px; background: white; }
.ogs-sector-grid span { color: #9db5c6; font-family: "Rajdhani"; font-size: .85rem; }
.ogs-sector-grid strong { display: block; margin-top: 34px; color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.45rem; }
.ogs-sector-grid p { margin: 6px 0 0; color: var(--ogs-muted); font-size: .78rem; }

/* Maintenance */
.ogs-maintenance { background: #06192d; color: white; }
.ogs-maintenance-grid { display: grid; grid-template-columns: .83fr 1.17fr; gap: 76px; align-items: center; }
.ogs-maintenance .ogs-heading { color: white; }
.ogs-maintenance-panel p { color: #a9c0d2; }
.ogs-maintenance-list { border-top: 1px solid rgba(255,255,255,.11); }
.ogs-maintenance-list > div { display: grid; grid-template-columns: 52px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.09); }
.ogs-maintenance-list b { color: #4cc9f0; font-family: "Rajdhani"; }
.ogs-maintenance-list span { color: #8ba8bb; font-size: .8rem; }
.ogs-maintenance-list strong { color: white; font-family: "Rajdhani"; font-size: 1.06rem; margin-right: 7px; }

/* FAQ */
.ogs-faq { background: #f7fbfe; }
.ogs-faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 38px; }
.ogs-faq details { border: 1px solid var(--ogs-line); border-radius: 11px; background: white; }
.ogs-faq summary { position: relative; padding: 20px 48px 20px 20px; list-style: none; color: var(--ogs-navy); font-family: "Rajdhani"; font-weight: 700; cursor: pointer; }
.ogs-faq summary::-webkit-details-marker { display: none; }
.ogs-faq summary::after { content: "+"; position: absolute; right: 20px; top: 17px; color: var(--ogs-blue); font-family: "Manrope"; font-size: 1.2rem; }
.ogs-faq details[open] summary::after { content: "–"; }
.ogs-faq details p { margin: 0; padding: 0 20px 20px; color: var(--ogs-muted); font-size: .78rem; }

/* Contact */
.ogs-contact-section { background: white; }
.ogs-contact-intro { max-width: 860px; margin-bottom: 38px; }
.ogs-contact-intro p { color: var(--ogs-muted); }
.ogs-contact-grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: 20px; }
.ogs-contact-card,.ogs-form-wrap { padding: 30px; border: 1px solid var(--ogs-line); border-radius: 16px; background: #fbfdff; box-shadow: var(--ogs-shadow-soft); }
.ogs-contact-card { background: linear-gradient(155deg,#071f38,#0b3e69); color: white; border-color: #1b4e74; }
.ogs-contact-card .ogs-card-tag { color: #72d7f7; border-color: rgba(114,215,247,.33); }
.ogs-contact-card h3 { margin: 24px 0 16px; font-family: "Rajdhani"; font-size: 2.3rem; line-height: 1; }
.ogs-contact-list { margin: 0; padding: 0; list-style: none; display: grid; }
.ogs-contact-list li { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.ogs-contact-list strong,.ogs-contact-list a,.ogs-contact-list span { display: block; }
.ogs-contact-list strong { color: #6abfdc; font-size: .62rem; letter-spacing: .1em; text-transform: uppercase; }
.ogs-contact-list a,.ogs-contact-list span { margin-top: 4px; color: #d9ebf4; font-size: .82rem; }
.ogs-enquiry-checklist { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 24px; }
.ogs-enquiry-checklist strong { width: 100%; margin-bottom: 3px; font-family: "Rajdhani"; }
.ogs-enquiry-checklist span { padding: 6px 8px; border: 1px solid rgba(255,255,255,.13); border-radius: 5px; color: #90afc3; font-size: .61rem; }
.ogs-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ogs-form .full { grid-column: 1 / -1; }
.ogs-form label { display: block; margin-bottom: 6px; color: var(--ogs-navy); font-size: .72rem; font-weight: 800; }
.ogs-form input,.ogs-form textarea,.ogs-form select { width: 100%; border: 1px solid #caddea; border-radius: 9px; background: white; padding: 12px 13px; color: var(--ogs-ink); outline: none; }
.ogs-form textarea { min-height: 154px; resize: vertical; }
.ogs-form input:focus,.ogs-form textarea:focus,.ogs-form select:focus { border-color: var(--ogs-cyan); box-shadow: 0 0 0 4px rgba(53,196,242,.1); }
.ogs-notice { margin-bottom: 17px; padding: 12px 14px; border: 1px solid #b7e3f7; border-radius: 9px; background: #eaf8ff; color: #07568f; font-size: .78rem; }
.ogs-notice--error { border-color: #f1c7c7; background: #fff1f1; color: #8c2323; }

/* Inner pages */
.ogs-page-hero { position: relative; overflow: hidden; padding: 84px 0 82px; background: linear-gradient(130deg,#051728,#082944 58%,#0b3a62); color: white; }
.ogs-page-hero::after { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(90deg,black,transparent 85%); }
.ogs-page-hero .ogs-shell { position: relative; z-index: 2; }
.ogs-breadcrumb { display: inline-flex; margin-bottom: 18px; color: #70d6f7; font-size: .69rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.ogs-page-hero h1 { max-width: 880px; margin: 0; font-family: "Rajdhani"; font-size: clamp(3.4rem, 7vw, 6.7rem); line-height: .88; letter-spacing: -.04em; }
.ogs-page-hero p { max-width: 760px; margin: 20px 0 0; color: #b9d1e1; }
.ogs-page-wrap { width: min(calc(100% - 40px), 1080px); margin: 0 auto; padding: 70px 0 100px; }
.ogs-page-content { font-size: .94rem; }
.ogs-page-content > *:first-child { margin-top: 0; }
.ogs-page-content h2,.ogs-page-content h3 { color: var(--ogs-navy); font-family: "Rajdhani"; line-height: 1; }
.ogs-page-content h2 { font-size: clamp(2.4rem,5vw,4.2rem); }
.ogs-page-content h3 { font-size: 1.7rem; }
.ogs-page-content p,.ogs-page-content li { color: var(--ogs-muted); }
.ogs-page-content ul { padding-left: 20px; }
.ogs-page-content li { margin: 7px 0; }
.ogs-content-intro { max-width: 860px; margin-bottom: 46px; }
.ogs-content-intro h2 { margin: 0 0 16px; }
.ogs-content-intro p:last-child { font-size: 1rem; }
.ogs-content-grid { display: grid; gap: 15px; margin: 28px 0; }
.ogs-content-grid--2 { grid-template-columns: repeat(2,1fr); }
.ogs-content-grid--3 { grid-template-columns: repeat(3,1fr); }
.ogs-content-grid section { padding: 25px; border: 1px solid var(--ogs-line); border-radius: 13px; background: white; box-shadow: 0 12px 30px rgba(8,45,75,.045); }
.ogs-content-grid section h3 { margin-top: 0; }
.ogs-content-grid section p,.ogs-content-grid section li { font-size: .8rem; }
.ogs-content-callout { margin: 32px 0; padding: 30px; border-left: 4px solid var(--ogs-cyan); background: #edf8fe; }
.ogs-content-callout h3 { margin: 0 0 8px; }
.ogs-content-callout p { margin: 0; }
.ogs-page-cta { margin-top: 42px; padding: 34px; border-radius: 15px; background: linear-gradient(135deg,#061a30,#0a3d68); color: white; }
.ogs-page-cta h2 { margin: 0 0 9px; color: white; font-size: 2.5rem; }
.ogs-page-cta p { color: #b8ccda; }
.ogs-empty-projects { margin: 28px 0; padding: 34px; border: 1px dashed #9fc4d9; border-radius: 14px; background: #f2f9fd; text-align: center; }
.ogs-empty-projects strong { display: block; color: var(--ogs-navy); font-family: "Rajdhani"; font-size: 1.7rem; }
.ogs-empty-projects p { max-width: 700px; margin: 8px auto 0; }

/* Posts / archive */
.entry-shell { width: min(calc(100% - 40px), 900px); margin: 74px auto 100px; }
.entry-shell article { padding: 38px; border: 1px solid var(--ogs-line); border-radius: 18px; background: white; box-shadow: var(--ogs-shadow-soft); }
.entry-shell h1,.entry-shell h2 { color: var(--ogs-navy); font-family: "Rajdhani"; line-height: 1; }
.entry-shell h1 { font-size: clamp(2.6rem,5vw,4.6rem); }
.entry-shell a { color: var(--ogs-blue); }

/* Footer */
.site-footer { padding: 0 0 26px; background: #03111e; color: #9eb8ca; }
.ogs-footer-topline { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(255,255,255,.08); border-top: 0; }
.ogs-footer-topline span { padding: 14px; border-right: 1px solid rgba(255,255,255,.08); color: #63829a; font-size: .56rem; font-weight: 800; letter-spacing: .12em; text-align: center; }
.ogs-footer-topline span:last-child { border-right: 0; }
.ogs-footer-grid { display: grid; grid-template-columns: 1.45fr .7fr .7fr .85fr; gap: 42px; padding-top: 54px; }
.ogs-footer-brand-block p { max-width: 380px; color: #7f9bb0; font-size: .78rem; }
.site-footer h4 { margin: 0 0 13px; color: white; font-family: "Rajdhani"; font-size: 1.06rem; }
.ogs-footer-links { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.ogs-footer-links li,.ogs-footer-links a { color: #7f9bb0; font-size: .72rem; }
.ogs-footer-links a:hover { color: white; }
.ogs-footer-note { margin-top: 40px; padding: 16px 0; border-top: 1px solid rgba(255,255,255,.07); border-bottom: 1px solid rgba(255,255,255,.07); color: #5e7b91; font-size: .63rem; }
.ogs-copyright { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; color: #4f6c81; font-size: .63rem; }

/* Responsive */
@media (max-width: 1100px) {
  .ogs-services-grid--8 { grid-template-columns: repeat(2,1fr); }
  .ogs-hero-grid { grid-template-columns: 1fr 440px; gap: 40px; }
  .ogs-hero h1 { font-size: clamp(4rem, 7.2vw, 6.2rem); }
  .ogs-plant-grid { grid-template-columns: 1fr 1fr; }
  .ogs-plant-card--feature { grid-row: auto; grid-column: 1 / -1; min-height: 390px; }
  .ogs-footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .ogs-footer-grid > :last-child { grid-column: 2 / 4; }
}

@media (max-width: 980px) {
  body.admin-bar .site-header { top: 46px; }
  .ogs-nav { min-height: 70px; }
  .ogs-menu-toggle { display: grid; place-items: center; }
  .ogs-nav nav { margin-left: 0; }
  .ogs-menu {
    display: none;
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 12px;
    background: #07223b;
    box-shadow: 0 24px 50px rgba(0,0,0,.25);
  }
  .ogs-menu.is-open { display: flex; }
  .ogs-menu li { border-bottom: 1px solid rgba(255,255,255,.07); }
  .ogs-menu li:last-child { border-bottom: 0; }
  .ogs-menu a { display: block; padding: 12px 10px; }
  .ogs-nav-cta { display: none; }
  .ogs-hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 66px; }
  .ogs-hero-copy { max-width: 820px; }
  .ogs-plant-visual { width: 100%; min-height: 475px; }
  .ogs-capability-strip { margin-top: -30px; }
  .ogs-capability-strip-grid { grid-template-columns: 1fr 1fr; }
  .ogs-capability-strip-grid > div:nth-child(2) { border-right: 0; }
  .ogs-capability-strip-grid > div:nth-child(-n+2) { border-bottom: 1px solid var(--ogs-line); }
  .ogs-section-head { grid-template-columns: 1fr; gap: 20px; }
  .ogs-systems-grid,.ogs-standards-grid,.ogs-maintenance-grid,.ogs-contact-grid { grid-template-columns: 1fr; gap: 42px; }
  .ogs-process--6 { grid-template-columns: 1fr 1fr; }
  .ogs-sector-grid { grid-template-columns: 1fr 1fr; }
  .ogs-content-grid--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 700px) {
  .ogs-shell { width: min(calc(100% - 28px), var(--ogs-max)); }
  .ogs-section { padding: 74px 0; }
  .ogs-brand-copy span { display: none; }
  .ogs-brand-mark { width: 40px; height: 40px; }
  .ogs-hero-grid { gap: 38px; padding: 54px 0 86px; }
  .ogs-hero h1 { font-size: clamp(3.5rem, 16vw, 5.15rem); }
  .ogs-hero-lead { font-size: .92rem; }
  .ogs-actions { flex-direction: column; align-items: stretch; }
  .ogs-actions .ogs-btn { width: 100%; }
  .ogs-plant-visual { min-height: 430px; padding: 18px; }
  .ogs-source-bank { left: 18px; top: 82px; transform: scale(.9); transform-origin: left top; }
  .ogs-main-pipe { left: 100px; top: 185px; width: 210px; }
  .ogs-pipeline-stack { left: 138px; right: 18px; top: 235px; }
  .ogs-gas-line { grid-template-columns: 78px 1fr 24px; gap: 7px; font-size: .5rem; }
  .ogs-gas-line b { width: 24px; height: 24px; }
  .ogs-clinical-end { left: 18px; right: 18px; bottom: 54px; }
  .ogs-clinical-end div { padding: 8px; }
  .ogs-visual-foot { left: 18px; right: 18px; }
  .ogs-services-grid--8,.ogs-plant-grid,.ogs-process--6,.ogs-sector-grid,.ogs-faq-grid,.ogs-standard-cards,.ogs-content-grid--2,.ogs-content-grid--3,.ogs-footer-grid,.ogs-form { grid-template-columns: 1fr; }
  .ogs-service-card { min-height: 260px; }
  .ogs-plant-card--feature { grid-column: auto; min-height: 390px; }
  .ogs-system-row { grid-template-columns: 56px 1fr; gap: 10px; padding: 13px 0; }
  .ogs-system-row span { grid-column: 2; }
  .ogs-capability-strip-grid { grid-template-columns: 1fr; }
  .ogs-capability-strip-grid > div { border-right: 0; border-bottom: 1px solid var(--ogs-line); }
  .ogs-capability-strip-grid > div:last-child { border-bottom: 0; }
  .ogs-standards-note { font-size: .66rem; }
  .ogs-footer-topline { grid-template-columns: 1fr 1fr; }
  .ogs-footer-topline span:nth-child(2) { border-right: 0; }
  .ogs-footer-topline span:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.08); }
  .ogs-footer-grid > :last-child { grid-column: auto; }
  .ogs-copyright { flex-direction: column; }
  .ogs-form .full { grid-column: auto; }
  .ogs-page-hero { padding: 62px 0; }
  .ogs-page-hero h1 { font-size: clamp(3rem,16vw,4.8rem); }
  .ogs-page-wrap { width: min(calc(100% - 28px), 1080px); padding: 54px 0 74px; }
  .ogs-page-cta { padding: 25px; }
}

@media (max-width: 480px) {
  .ogs-source-bank { transform: scale(.78); }
  .ogs-main-pipe { left: 86px; width: 178px; }
  .ogs-pipeline-stack { left: 105px; }
  .ogs-gas-line { grid-template-columns: 62px 1fr 22px; }
  .ogs-clinical-end span { font-size: .44rem; }
  .ogs-clinical-end b { font-size: .72rem; }
}