/* =========================================================
   Padmavati Power Factor Corrector — Design Tokens
   Palette: deep circuit navy + copper accent + phase-green
   Type: Big Shoulders Display (headlines) / IBM Plex Sans (body)
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@600;700;800&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --ink:        #101C2C;   /* primary navy - text/headers */
  --ink-2:      #1B2E42;   /* lighter navy panel */
  --paper:      #F0EEE6;   /* warm-grey paper background */
  --paper-2:    #E7E4D9;   /* slightly deeper paper for panels */
  --line:       #C9C5B7;   /* hairline rule on paper */
  --line-dark:  rgba(240,238,230,0.18); /* hairline rule on navy */
  --copper:     #A8672B;   /* primary accent */
  --copper-dark:#8A521F;
  --phase-green:#3B6E52;   /* "power on" indicator */
  --phase-red:  #A6362C;   /* stop / alert */
  --phase-amber:#C98A2B;
  --white:      #FDFCF9;

  --font-display: 'Big Shoulders Display', sans-serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --max: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 16px;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight:700;
  line-height:1.05;
  margin:0 0 .5em;
  letter-spacing: 0.01em;
}
h1{ font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight:800; }
h2{ font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3{ font-size: clamp(1.25rem, 2vw, 1.55rem); }
p{ margin:0 0 1em; max-width: 62ch; }
.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.section{ padding: 72px 0; }
.section--tight{ padding: 48px 0; }
.section--navy{ background: var(--ink); color: var(--paper); }
.section--navy p{ color: #C9D2DA; }
.section--panel{ background: var(--paper-2); }

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--copper);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 22px; height:2px;
  background: var(--copper);
  display:inline-block;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 13px 26px;
  font-family: var(--font-body);
  font-weight:600;
  font-size: 0.95rem;
  border: 1.5px solid transparent;
  cursor:pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.btn--copper{ background: var(--copper); color: var(--white); }
.btn--copper:hover{ background: var(--copper-dark); }
.btn--outline{ border-color: currentColor; background: transparent; }
.btn--outline:hover{ background: rgba(255,255,255,0.08); }
.btn--outline-ink{ border-color: var(--ink); color: var(--ink); background:transparent; }
.btn--outline-ink:hover{ background: var(--ink); color: var(--white); }
.btn-row{ display:flex; gap:14px; flex-wrap:wrap; margin-top: 8px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 8px 0;
}
.brand{ display:flex; align-items:center; gap:12px; min-width:0; }
.brand img{
  width:74px; height:74px;
  flex:0 0 74px;
  object-fit:contain;
  border-radius:50%;
  border:2px solid #1677D2;
  padding:3px;
  background:#F1F8FD;
}

.brand-text{ display:flex; flex-direction:column; line-height:1.1; }
.brand-text strong{ font-family: var(--font-display); font-size:1.25rem; font-weight:800; }
.brand-text span{ font-size:0.68rem; color:var(--copper); font-family: var(--font-mono); letter-spacing:0.04em;}

.nav-links{
  display:flex; gap: 30px; align-items:center;
  font-weight:600; font-size:0.95rem;
}
.nav-links a{ position:relative; padding: 4px 0; }
.nav-links a.active,
.nav-links a:hover{ color: var(--copper); }
.nav-cta{ display:flex; align-items:center; gap:18px; }
.nav-phone{
  font-family: var(--font-mono);
  font-size:0.9rem;
  display:flex; align-items:center; gap:8px;
}
.nav-toggle{ display:none; }

@media (max-width: 900px){
  .nav-links{
    position:fixed; inset: 70px 0 0 0;
    background: var(--paper);
    flex-direction:column;
    justify-content:flex-start;
    padding: 30px 24px;
    gap: 22px;
    font-size: 1.2rem;
    transform: translateY(-110%);
    transition: transform .25s ease;
    border-top: 1px solid var(--line);
  }
  .nav-links.open{ transform: translateY(0); }
  .nav-toggle{
    display:flex; flex-direction:column; gap:5px;
    background:none; border:none; cursor:pointer; padding:8px;
  }
  .nav-toggle span{ width:26px; height:2px; background:var(--ink); display:block; }
  .nav-phone{ display:none; }
  .brand img{ width:58px; height:58px; flex-basis:58px; padding:2px; }
  .brand-text strong{ font-size:1.05rem; }
  .brand-text span{ font-size:0.6rem; }
}

/* ---------- Hero ---------- */
.hero{
  background: var(--ink);
  color: var(--paper);
  position: relative;
  overflow:hidden;
  padding: 64px 0 0;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.6;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 40px;
  align-items:center;
  padding-bottom: 56px;
}
.hero h1{ margin-bottom: 18px; }
.hero .lede{ color:#C9D2DA; font-size:1.08rem; max-width:48ch; }
.phase-dots{ display:flex; gap:8px; margin-bottom:18px; }
.phase-dot{ width:11px; height:11px; border-radius:50%; }
.phase-dot.r{ background: var(--phase-red); }
.phase-dot.y{ background: var(--phase-amber); }
.phase-dot.b{ background: var(--phase-green); }

.spec-card{
  position:relative;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  padding: 18px;
}
.spec-card::before,
.spec-card::after,
.corner-frame::before,
.corner-frame::after{
  content:"";
  position:absolute;
  width:16px; height:16px;
  border: 2px solid var(--copper);
}
.spec-card::before{ top:-1px; left:-1px; border-right:none; border-bottom:none; }
.spec-card::after{ bottom:-1px; right:-1px; border-left:none; border-top:none; }
.spec-card img{ width:100%; height: 320px; object-fit: cover; }
.spec-card-cap{
  display:flex; justify-content:space-between; align-items:baseline;
  padding-top: 14px; font-family: var(--font-mono); font-size:0.78rem; color:#9FB0BD;
}
.spec-card-cap b{ color: var(--paper); font-size:0.85rem; }

.trust-strip{
  border-top: 1px solid var(--line-dark);
  background: #0C1622;
}
.trust-strip .container{
  display:flex; flex-wrap:wrap; gap: 28px 44px;
  padding: 22px 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color:#C9D2DA;
}
.trust-strip strong{ color: var(--paper); }

@media (max-width: 860px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ---------- Benefit / feature blocks ---------- */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 40px;
}
.grid-3 > div{
  background: var(--paper);
  padding: 30px 26px;
}
.feature-num{
  font-family: var(--font-mono);
  color: var(--copper);
  font-size: 0.85rem;
  margin-bottom: 10px;
  display:block;
}
@media (max-width: 800px){
  .grid-3{ grid-template-columns: 1fr; }
}

/* ---------- Spec table ---------- */
.spec-table-wrap{
  border: 1px solid var(--line);
  background: var(--white);
  margin-top: 20px;
}
.spec-row{
  display:grid;
  grid-template-columns: 34px 1.3fr 1fr;
  gap: 16px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line);
  align-items:center;
}
.spec-row:last-child{ border-bottom:none; }
.spec-row .idx{ font-family: var(--font-mono); color: var(--copper); font-size:0.85rem; }
.spec-row .label{ font-weight:600; }
.spec-row .value{ font-family: var(--font-mono); font-size:0.95rem; color: var(--ink-2); }
.spec-row.remark{ background: var(--paper-2); grid-template-columns: 1fr; }
.spec-row.remark p{ margin:0; max-width: none; font-size:0.92rem; color:var(--ink-2); }

@media (max-width: 640px){
  .spec-row{ grid-template-columns: 1fr; gap:4px; }
  .spec-row .idx{ display:none; }
}

/* ---------- Carousel ---------- */
.carousel{
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink);
  overflow:hidden;
}
.carousel-track{
  display:flex;
  transition: transform .6s cubic-bezier(.65,0,.35,1);
}
.carousel-slide{
  min-width: 100%;
  position:relative;
}
.carousel-slide img{
  width:100%;
  height: 460px;
  object-fit: cover;
  display:block;
}
/* Isolated fix: install-1 is a tall portrait photo; cover crops it heavily.
   This rule affects only that one image via .fit-contain, no other slide. */
.carousel-slide img.fit-contain{
  object-fit: contain;
  background: var(--ink);
}
.carousel-caption{
  position:absolute; left:0; right:0; bottom:0;
  background: linear-gradient(0deg, rgba(16,28,44,0.92), transparent);
  color: var(--paper);
  padding: 34px 24px 16px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.carousel-controls{
  position:absolute; top:50%; transform: translateY(-50%);
  width:100%; display:flex; justify-content:space-between;
  padding: 0 14px; pointer-events:none;
}
.carousel-btn{
  pointer-events:all;
  width:42px; height:42px;
  background: rgba(16,28,44,0.65);
  border: 1px solid var(--line-dark);
  color: var(--paper);
  font-size: 1.2rem;
  cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.carousel-btn:hover{ background: var(--copper); }
.carousel-dots{
  position:absolute; bottom:14px; right:20px;
  display:flex; gap:8px;
}
.carousel-dots button{
  width:8px; height:8px; border-radius:50%;
  border:1px solid var(--paper);
  background: transparent;
  cursor:pointer; padding:0;
}
.carousel-dots button.active{ background: var(--copper); border-color: var(--copper); }

@media (max-width: 640px){
  .carousel-slide img{ height: 300px; }
}

/* ---------- Industry chips ---------- */
.chip-row{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 24px; }
.chip{
  border: 1px solid var(--line);
  padding: 9px 16px;
  font-size: 0.88rem;
  font-family: var(--font-mono);
  background: var(--white);
}

/* ---------- CTA band ---------- */
.cta-band{
  background: var(--copper);
  color: var(--white);
}
.cta-band .container{
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:20px;
  padding: 40px 24px;
}
.cta-band h3{ margin:0; color: var(--white); }
.cta-band .btn--outline{ border-color: var(--white); color:var(--white); }

/* ---------- Footer ---------- */
.site-footer{
  background: var(--ink);
  color: #B9C3CC;
  padding: 56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line-dark);
}
.footer-grid h4{ color: var(--paper); font-family: var(--font-body); font-size:0.95rem; letter-spacing:0.03em; margin-bottom:16px; }
.footer-brand{ display:flex; align-items:center; gap:12px; margin-bottom:14px;}
.footer-brand img{ height:44px; }
.footer-brand strong{ color: var(--paper); font-family: var(--font-display); font-size:1.2rem; }
.footer-links a{ display:block; margin-bottom:10px; font-size:0.92rem; }
.footer-links a:hover{ color: var(--copper); }
.footer-meta{
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  padding-top: 22px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}
@media (max-width: 760px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* ---------- Generic page hero (interior pages) ---------- */
.page-hero{
  background: var(--ink); color: var(--paper);
  padding: 56px 0 40px;
  position:relative;
  border-bottom: 3px solid var(--copper);
}
.page-hero p{ color:#C9D2DA; max-width: 60ch; }

/* ---------- Two column layout ---------- */
.two-col{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items:start;
}
@media (max-width: 860px){
  .two-col{ grid-template-columns: 1fr; }
}

/* ---------- Client categories ---------- */
.client-group{ margin-bottom: 34px; }
.client-group h3{
  border-bottom: 2px solid var(--copper);
  padding-bottom: 8px;
  margin-bottom: 16px;
  display:inline-block;
}
.client-list{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 24px;
  padding:0; margin:0; list-style:none;
}
.client-list li{
  padding: 9px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 0.94rem;
}
@media (max-width: 760px){
  .client-list{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px){
  .client-list{ grid-template-columns: 1fr; }
}

/* ---------- Contact page ---------- */
.contact-card{
  border: 1px solid var(--line);
  background: var(--white);
  padding: 30px;
}
.contact-row{ display:flex; gap:14px; margin-bottom: 20px; align-items:flex-start; }
.contact-row .k{ font-family: var(--font-mono); font-size:0.78rem; color:var(--copper); min-width:96px; padding-top:2px;}
.contact-row .v{ font-weight:600; }
.contact-row .v span{ display:block; font-weight:400; color:var(--ink-2); font-size:0.92rem; }

.form-field{ margin-bottom: 18px; }
.form-field label{ display:block; font-size:0.85rem; font-weight:600; margin-bottom:6px; }
.form-field input, .form-field textarea{
  width:100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.form-field input:focus, .form-field textarea:focus{
  outline: 2px solid var(--copper);
  outline-offset: 1px;
}
.map-frame{ border: 1px solid var(--line); filter: grayscale(0.15); width:100%; height:340px; }

/* ---------- Logo sizing ---------- */
.footer-brand img{
  width:92px; height:92px;
  object-fit:contain;
  border-radius:50%;
  flex:0 0 92px;
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; scroll-behavior:auto !important; }
}

/* ERDA certification statement */
.trust-cert{ flex: 1 1 100%; }
.trust-cert strong{ letter-spacing: 0.02em; }


/* Enquiry form feedback */
.form-status { margin-top: 12px; font-size: 0.95rem; }
.form-status.success { font-weight: 600; }
.form-status.error { font-weight: 600; }
.whatsapp-followup { margin-top: 16px; padding: 16px; border: 1px solid rgba(22,119,210,.2); border-radius: 10px; background: #f5faff; }
.whatsapp-followup p { margin: 0 0 12px; }
.btn--whatsapp { display: inline-block; }
#enquiry-submit:disabled { opacity: .7; cursor: wait; }