/* ==========================================================
   MJS India Equipments - main stylesheet
   Palette: compressor navy, PPR pipe green, safety orange
   Type: Barlow Condensed (headings), IBM Plex Sans (body)
   ========================================================== */

:root {
  --navy: #0F2A43;
  --navy-deep: #0A1C2E;
  --blue: #173A5C;
  --green: #1F8A5B;
  --green-deep: #166B46;
  --green-light: #2FA971;
  --orange: #F26B1D;
  --orange-hover: #FF8240;
  --steel: #EDF1F4;
  --line: #D3DCE3;
  --ink: #14212E;
  --muted: #4F5E6C;
  --on-dark: #CFE0EC;
  --white: #FFFFFF;

  --font-head: "Barlow Condensed", "Arial Narrow", Arial, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius: 6px;
  --wrap: 1160px;
}

/* ---------- Reset and base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}
img, svg { max-width: 100%; display: block; }
a { color: var(--green-deep); }
a:hover { color: var(--navy); }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.05;
  color: var(--navy);
  margin: 0 0 .6rem;
}
h1 { font-size: clamp(2.6rem, 5.4vw, 4.3rem); }
h2 { font-size: clamp(2rem, 3.6vw, 2.85rem); }
h3 { font-size: 1.55rem; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.2rem; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
}

.container { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 1.25rem; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--orange); color: var(--navy-deep);
  padding: .6rem 1rem; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ---------- Top bar ---------- */
.topbar { background: var(--navy-deep); color: var(--on-dark); font-size: .875rem; }
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; padding-block: .45rem; flex-wrap: wrap;
}
.topbar a { color: var(--white); text-decoration: none; font-weight: 500; }
.topbar a:hover { text-decoration: underline; color: var(--white); }
.topbar-contact { display: flex; gap: 1.5rem; flex-wrap: wrap; }

/* ---------- Header and navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding-block: .8rem;
}
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; }
.brand img { width: 44px; height: 44px; }
.brand-text { display: flex; flex-direction: column; }
.brand-name {
  font-family: var(--font-head); font-weight: 700; font-size: 1.7rem;
  line-height: 1; color: var(--navy);
}
.brand-sub { font-size: .8rem; color: var(--muted); letter-spacing: .04em; }

.nav-links {
  display: flex; align-items: center; gap: 1.75rem;
  list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  display: block; padding: .4rem 0; text-decoration: none;
  color: var(--ink); font-weight: 500;
  border-bottom: 3px solid transparent;
}
.nav-links a:hover { border-bottom-color: var(--line); color: var(--navy); }
.nav-links a[aria-current="page"] { border-bottom-color: var(--green-light); color: var(--navy); }
.nav-links a.btn {
  margin-left: .5rem; padding: .6rem 1.25rem;
  color: var(--navy-deep); border: 2px solid transparent;
}
.nav-links a.btn:hover { background: var(--orange-hover); border-color: transparent; color: var(--navy-deep); }
.nav-links a.btn[aria-current="page"] { box-shadow: 0 0 0 3px rgba(242,107,29,.35); }

.nav-toggle {
  display: none; background: none; border: 2px solid var(--navy);
  border-radius: var(--radius); padding: .5rem .8rem;
  font: 600 .95rem var(--font-body); color: var(--navy); cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .8rem 1.45rem; border-radius: var(--radius);
  font: 600 1rem var(--font-body); text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .15s, color .15s, border-color .15s;
}
.btn-primary { background: var(--orange); color: var(--navy-deep); }
.btn-primary:hover { background: var(--orange-hover); color: var(--navy-deep); }
.btn-ghost { border-color: rgba(255,255,255,.55); color: var(--white); background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: var(--white); }
.btn-outline { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-outline:hover { background: var(--navy); color: var(--white); }
.btn-row { display: flex; flex-wrap: wrap; gap: .8rem; }

/* ---------- Pipe-shaped divider (signature motif) ---------- */
.pipe-edge {
  height: 16px;
  background:
    repeating-linear-gradient(90deg, transparent 0 280px, rgba(10,28,46,.32) 280px 288px),
    linear-gradient(var(--green-light) 0 28%, var(--green) 28% 72%, var(--green-deep) 72%);
}

/* ---------- Hero ---------- */
.hero { background: var(--navy); color: var(--white); }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center;
  gap: 3rem; padding-block: 4.5rem 4rem;
}
.hero h1 { color: var(--white); margin-bottom: 1.1rem; }
.hero .lead { font-size: 1.15rem; color: var(--on-dark); max-width: 36rem; margin-bottom: 1.8rem; }
.hero-note { margin: 1.5rem 0 0; color: var(--on-dark); font-size: .95rem; }
.hero-note a { color: var(--white); font-weight: 600; }

.gauge-wrap { width: 100%; max-width: 420px; margin-inline: auto; }
.gauge-wrap svg { width: 100%; height: auto; }
.gauge-label { font-family: var(--font-head); font-weight: 600; fill: var(--ink); }
.needle { transform-origin: 200px 200px; transform: rotate(-16.875deg); animation: sweep 2.6s cubic-bezier(.25,.8,.35,1) .35s both; }
@keyframes sweep {
  0%   { transform: rotate(-135deg); }
  58%  { transform: rotate(0deg); }
  78%  { transform: rotate(-22deg); }
  100% { transform: rotate(-16.875deg); }
}

/* ---------- Facts strip ---------- */
.facts {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, 1fr);
}
.facts li { padding: 1.4rem 1.25rem; border-left: 1px solid var(--line); }
.facts li:first-child { border-left: 0; padding-left: 0; }
.facts strong {
  display: block; font-family: var(--font-head); font-size: 1.4rem;
  line-height: 1.15; color: var(--navy); margin-bottom: .2rem;
}
.facts span { color: var(--muted); font-size: .92rem; display: block; line-height: 1.45; }

/* ---------- Sections ---------- */
.section { padding: 5rem 0; }
.section--steel { background: var(--steel); }
.section-head { max-width: 44rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--muted); font-size: 1.08rem; margin-bottom: 0; }
[id] { scroll-margin-top: 6rem; }

/* ---------- Product panels ---------- */
.panels { display: grid; grid-template-columns: 1fr 1fr; }
.panel { padding: 2.75rem 2.5rem; color: var(--white); }
.panel--blue { background: var(--blue); }
.panel--green { background: var(--green-deep); }
.panel h3 { color: var(--white); font-size: 1.9rem; }
.panel p { color: var(--on-dark); }
.panel-art { height: 210px; margin-bottom: 1.75rem; }
.panel-art img { height: 100%; width: auto; margin-inline: auto; }
.ticks { list-style: none; padding: 0; margin: 1.25rem 0 1.75rem; }
.ticks li { position: relative; padding-left: 1.7rem; margin-bottom: .45rem; }
.ticks li::before {
  content: ""; position: absolute; left: .1rem; top: .55em;
  width: .7rem; height: .38rem;
  border-left: 2.5px solid var(--green-light); border-bottom: 2.5px solid var(--green-light);
  transform: rotate(-45deg);
}
.panel--green .ticks li::before { border-color: #A8EBCB; }

/* ---------- Process steps ---------- */
.steps {
  list-style: none; margin: 0; padding: 0; counter-reset: step;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.75rem;
}
.steps li { counter-increment: step; border-top: 8px solid var(--green); padding-top: 1rem; }
.steps li::before {
  content: counter(step); display: block;
  font-family: var(--font-head); font-weight: 700; font-size: 2.4rem;
  line-height: 1; color: var(--navy); margin-bottom: .4rem;
}
.steps h3 { font-size: 1.4rem; }
.steps p { color: var(--muted); margin: 0; }

/* ---------- Two-column feature ---------- */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 3.5rem; align-items: start; }
.split p { color: var(--muted); }
.note { font-size: .9rem; color: var(--muted); margin-top: .9rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
table.compare { width: 100%; border-collapse: collapse; min-width: 520px; }
.compare th, .compare td { padding: .85rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.compare thead th { background: var(--navy); color: var(--white); font-weight: 600; }
.compare tbody th { font-weight: 600; color: var(--navy); width: 22%; }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.compare td:last-child { background: #E6F4EC; font-weight: 500; }
.compare thead th:last-child { background: var(--green-deep); }

/* ---------- Industry tags ---------- */
.tags { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; margin: 0; padding: 0; }
.tags li { border: 1.5px solid var(--navy); border-radius: 4px; padding: .4rem .9rem; font-weight: 500; color: var(--navy); background: var(--white); }

/* ---------- Call-to-action band ---------- */
.cta-band { background: var(--navy); color: var(--white); padding: 4rem 0; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.cta-band h2 { color: var(--white); margin-bottom: .4rem; }
.cta-band p { color: var(--on-dark); margin: 0; max-width: 34rem; }

/* ---------- Inner page hero ---------- */
.page-hero { background: var(--navy); color: var(--white); padding: 3.25rem 0 3rem; }
.page-hero h1 { color: var(--white); font-size: clamp(2.4rem, 4.6vw, 3.5rem); margin-bottom: .6rem; }
.page-hero p { color: var(--on-dark); font-size: 1.1rem; max-width: 40rem; margin: 0; }
.crumbs { display: flex; gap: .5rem; margin-bottom: 1rem; font-size: .9rem; color: var(--on-dark); }
.crumbs a { color: var(--white); }
.crumbs span + span::before, .crumbs a + span::before { content: "/"; margin-right: .5rem; opacity: .6; }

/* ---------- Product catalogue ---------- */
.cat { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2.2fr); gap: 3rem; align-items: start; }
.cat-intro { position: sticky; top: 6.5rem; }
.cat-intro p { color: var(--muted); }
.spec-list { list-style: none; margin: 0; padding: 0; border-top: 3px solid var(--navy); }
.spec-list li {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr) auto;
  gap: 1.5rem; align-items: center;
  padding: 1.2rem 0; border-bottom: 1px solid var(--line);
}
.spec-list h3 { font-size: 1.4rem; margin: 0; }
.spec-list p { margin: 0; color: var(--muted); font-size: .96rem; line-height: 1.55; }
.spec-list .enquire { font-weight: 600; white-space: nowrap; }

/* ---------- About page ---------- */
.prose { max-width: 40rem; }
.prose p { color: var(--muted); font-size: 1.05rem; }
.promise-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.promise-list li { border-left: 6px solid var(--green); padding-left: 1.2rem; }
.promise-list h3 { font-size: 1.35rem; margin-bottom: .2rem; }
.promise-list p { margin: 0; color: var(--muted); }

.details { background: var(--steel); border-radius: var(--radius); padding: 1.75rem; }
.details h3 { margin-bottom: 1rem; }
.details dl { margin: 0; }
.details dt { font-weight: 600; color: var(--navy); font-size: .9rem; margin-top: .9rem; }
.details dt:first-of-type { margin-top: 0; }
.details dd { margin: .1rem 0 0; color: var(--ink); }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 3.5rem; align-items: start; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.25rem; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-weight: 600; font-size: .95rem; margin-bottom: .3rem; color: var(--navy); }
.req { color: #B3360A; }
input, select, textarea {
  width: 100%; padding: .75rem .85rem;
  font: inherit; color: var(--ink); background: var(--white);
  border: 1.5px solid #8FA2B1; border-radius: 4px;
}
textarea { min-height: 150px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: 3px solid rgba(242,107,29,.55); outline-offset: 0; border-color: var(--navy);
}
.form-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .4rem; }
.form-help { font-size: .9rem; color: var(--muted); margin: 0; }
.form-status { margin: 1rem 0 0; font-weight: 500; color: var(--green-deep); min-height: 1.5rem; }

.contact-card { background: var(--steel); border-radius: var(--radius); padding: 1.75rem; margin-bottom: 1.5rem; }
.contact-card h3 { margin-bottom: 1rem; }
.contact-card dl { margin: 0; }
.contact-card dt { font-weight: 600; font-size: .9rem; color: var(--navy); margin-top: .9rem; }
.contact-card dt:first-of-type { margin-top: 0; }
.contact-card dd { margin: .1rem 0 0; }
.map-frame { width: 100%; height: 280px; border: 0; border-radius: var(--radius); background: var(--steel); }

/* ---------- Legal pages ---------- */
.legal { max-width: 46rem; }
.legal h2 { font-size: 1.75rem; margin-top: 2.4rem; }
.legal p, .legal li { color: #2B3A48; }
.legal li { margin-bottom: .45rem; }
.legal-meta { color: var(--muted); font-size: .95rem; margin-bottom: 1.5rem; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-deep); color: var(--on-dark); padding-top: 3.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.site-footer h3 { color: var(--white); font-size: 1.25rem; margin-bottom: .8rem; }
.site-footer a { color: var(--on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .45rem; }
.site-footer p { font-size: .95rem; }
.footer-brand .brand-name { color: var(--white); }
.footer-brand .brand-sub { color: var(--on-dark); }
.footer-brand p { margin-top: 1rem; max-width: 22rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.14); padding-block: 1.1rem; font-size: .88rem; }
.footer-bottom .container { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav-toggle { display: inline-block; }
  .nav-links {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line);
    padding: .5rem 1.25rem 1.25rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: .8rem 0; border-bottom: 1px solid var(--line); }
  .nav-links a.btn { margin: 1rem 0 0; text-align: center; padding: .8rem 1.25rem; border: 2px solid transparent; }
  .hero-grid { grid-template-columns: 1fr; padding-block: 3rem; gap: 2.5rem; }
  .gauge-wrap { max-width: 340px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts li:nth-child(3) { border-left: 0; padding-left: 0; }
  .facts li:nth-child(n+3) { border-top: 1px solid var(--line); }
  .panels { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .split, .contact-grid, .cat { grid-template-columns: 1fr; gap: 2rem; }
  .cat-intro { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .section { padding: 3.5rem 0; }
  .topbar-address { display: none; }
  .panel { padding: 2rem 1.4rem; }
  .steps { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .facts li { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .facts li:first-child { border-top: 0; }
  .spec-list li { grid-template-columns: 1fr; gap: .4rem; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .btn-row .btn, .form-actions .btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .needle { animation: none; }
  .btn { transition: none; }
}

/* ---------- Small additions ---------- */
.form-actions + .form-help { margin-top: .9rem; }
#enquiry-form { margin-top: 1.5rem; }