/* Wattmeister Energy LLP — Premium Green & White Theme */
:root {
  --wm-green: #16A34A;
  --wm-green-dark: #15803D;
  --wm-green-light: #DCFCE7;
  --wm-green-soft: #F0FDF4;
  --wm-navy: #0F172A;
  --wm-muted: #64748B;
  --wm-grey: #F8FAFC;
  --wm-orange: #F97316;
  --wm-orange-dark: #EA580C;
  --wm-yellow: #F59E0B;
  --wm-blue: #2563EB;
  --wm-blue-light: #DBEAFE;
  --wm-radius: 1rem;
  --wm-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --wm-shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --font-display: "Outfit", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--wm-navy);
  background: #fff;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
h1,h2,h3,h4,h5,h6,.display-font {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}
a { color: var(--wm-green-dark); text-decoration: none; }
a:hover { color: var(--wm-green); }

.wm-logo { border-radius: 10px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name, .brand-sub, .wm-company-name {
  font-family: "Plus Jakarta Sans", sans-serif;
  letter-spacing: -0.03em;
}
.brand-name { font-weight: 800; font-size: 1.05rem; color: var(--wm-navy); }
.brand-sub { font-size: 0.72rem; color: var(--wm-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }

.navbar .nav-link {
  font-weight: 500;
  color: var(--wm-navy) !important;
  font-size: 0.92rem;
  padding: 0.55rem 0.7rem !important;
}
.navbar .nav-link.active, .navbar .nav-link:hover { color: var(--wm-green) !important; }

.btn-wm-primary {
  background: var(--wm-green);
  border: none;
  color: #fff;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn-wm-primary:hover { background: var(--wm-green-dark); color: #fff; transform: translateY(-1px); box-shadow: var(--wm-shadow-sm); }
.btn-wm-outline {
  border: 2px solid #fff;
  color: #fff;
  background: transparent;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
}
.btn-wm-outline:hover { background: #fff; color: var(--wm-green-dark); }
.btn-wm-orange {
  background: linear-gradient(135deg, var(--wm-orange), var(--wm-yellow));
  border: none;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
  padding: 0.75rem 1.5rem;
}
.btn-wm-orange:hover { color: #fff; filter: brightness(0.95); }
.btn-wm-light {
  background: #fff;
  color: var(--wm-green-dark);
  border: none;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
}
.btn-wm-light:hover { background: var(--wm-green-light); color: var(--wm-green-dark); }

/* Hero */
.wm-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(15, 23, 42, 0.82) 0%, rgba(21, 128, 61, 0.72) 55%, rgba(22, 163, 74, 0.55) 100%),
    url("https://images.unsplash.com/photo-1509391366360-2e959784a276?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
  overflow: hidden;
}
.wm-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(transparent, #fff);
}
.wm-hero .container { position: relative; z-index: 2; }
.wm-hero h1 {
  font-size: clamp(2.1rem, 4.5vw, 3.4rem);
  font-weight: 800;
  max-width: 18ch;
  line-height: 1.12;
  animation: fadeUp .7s ease both;
}
.wm-hero .lead {
  max-width: 40rem;
  color: rgba(255,255,255,.9);
  animation: fadeUp .8s ease .1s both;
}
.wm-hero .cta-group { animation: fadeUp .85s ease .18s both; }
.trust-pills { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.75rem; animation: fadeUp .9s ease .25s both; }
.trust-pills span {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.22);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: .45rem .9rem;
  font-size: .85rem;
  font-weight: 500;
}

.wm-stats {
  position: relative;
  z-index: 3;
  margin-top: -3.25rem;
}
.wm-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 1.25rem;
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.1);
}
.wm-stat {
  position: relative;
  text-align: center;
  padding: 1.6rem 1rem 1.45rem;
}
.wm-stat + .wm-stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22%;
  bottom: 22%;
  width: 1px;
  background: #E2E8F0;
}
.wm-stat-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto .65rem;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--wm-green-light);
  color: var(--wm-green-dark);
  font-size: 1.15rem;
}
.wm-stat-value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--wm-navy);
}
.wm-stat-label {
  margin-top: .3rem;
  color: var(--wm-muted);
  font-size: .92rem;
  font-weight: 500;
}
.wm-stats + .section { padding-top: 3.25rem; }

.section { padding: 4.5rem 0; }
.section-alt { background: var(--wm-grey); }
.section-title {
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom: .6rem;
}
.section-sub { color: var(--wm-muted); max-width: 40rem; margin-bottom: 2rem; }

.wm-card {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: var(--wm-radius);
  box-shadow: var(--wm-shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
  height: 100%;
}
.wm-card:hover { transform: translateY(-4px); box-shadow: var(--wm-shadow); }
.wm-card .icon-wrap {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--wm-green-light); color: var(--wm-green-dark);
  display: grid; place-items: center; font-size: 1.35rem; margin-bottom: 1rem;
}
.wm-card img.card-img-top {
  height: 180px; object-fit: cover; border-top-left-radius: var(--wm-radius); border-top-right-radius: var(--wm-radius);
}

.step-timeline { position: relative; }
.step-item {
  position: relative;
  padding-left: 1rem;
}
.step-num {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--wm-green); color: #fff;
  display: grid; place-items: center; font-weight: 700; margin-bottom: 1rem;
  box-shadow: 0 8px 20px rgba(22,163,74,.3);
}

.savings-band {
  background: linear-gradient(135deg, var(--wm-green-dark), var(--wm-green));
  color: #fff;
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: var(--wm-shadow);
}
.subsidy-band {
  background: linear-gradient(135deg, #0F172A, #14532D);
  color: #fff;
  border-radius: 1.5rem;
  overflow: hidden;
}

.faq .accordion-button:not(.collapsed) {
  background: var(--wm-green-soft);
  color: var(--wm-green-dark);
  box-shadow: none;
}
.faq .accordion-button:focus { box-shadow: 0 0 0 .2rem rgba(22,163,74,.2); }
.faq .accordion-item { border-radius: .85rem !important; overflow: hidden; margin-bottom: .75rem; border: 1px solid #E2E8F0; }

.final-cta {
  background:
    linear-gradient(120deg, rgba(15,23,42,.88), rgba(21,128,61,.8)),
    url("https://images.unsplash.com/photo-1497440001374-f26997328c1b?auto=format&fit=crop&w=1600&q=80") center/cover;
  color: #fff;
  border-radius: 1.5rem;
  padding: 3rem 2rem;
}

.wm-footer { background: #0B1220; }
.wm-footer-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 84px;
  height: 84px;
  padding: 8px;
  border-radius: 16px;
  background: #fff;
  flex-shrink: 0;
}
.wm-footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.footer-links li { margin-bottom: .45rem; }
.footer-links a { color: rgba(255,255,255,.65); font-size: .92rem; }
.footer-links a:hover { color: #fff; }
.text-wm-green { color: var(--wm-green) !important; }
.bg-wm-soft { background: var(--wm-green-soft); }
.badge-sample { background: #FEF3C7; color: #92400E; font-weight: 600; }

/* Calculator */
.calc-page { background: linear-gradient(180deg, #F0FDF4 0%, #F8FAFC 28%, #fff 100%); }
.calc-header { padding: 2.5rem 0 1rem; }
.calc-tabs .nav-link {
  border-radius: 999px !important;
  border: 1px solid #E2E8F0 !important;
  color: var(--wm-navy);
  font-weight: 600;
  padding: .65rem 1.2rem;
  margin-right: .4rem;
  background: #fff;
}
.calc-tabs .nav-link.active {
  background: var(--wm-green) !important;
  border-color: var(--wm-green) !important;
  color: #fff !important;
}
.calc-panel {
  background: #fff;
  border-radius: 1.25rem;
  border: 1px solid #E2E8F0;
  box-shadow: var(--wm-shadow-sm);
  padding: 1.5rem;
}
.recommend-card {
  background: linear-gradient(160deg, #166534, #16A34A 55%, #22C55E);
  color: #fff;
  border-radius: 1.25rem;
  padding: 1.5rem;
  box-shadow: 0 16px 40px rgba(22,163,74,.28);
}
.recommend-card .kw {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  font-family: var(--font-display);
}
.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.metric-box {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: .9rem;
  padding: .8rem;
}
.metric-box .label { font-size: .75rem; opacity: .85; }
.metric-box .value { font-weight: 700; font-size: 1.05rem; }
.cost-row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .55rem 0; border-bottom: 1px dashed #E2E8F0; font-size: .95rem;
}
.cost-row.total { border-bottom: none; font-weight: 700; font-size: 1.05rem; color: var(--wm-green-dark); }
.cost-row.payable { background: var(--wm-green-soft); margin: .5rem -0.5rem 0; padding: .75rem; border-radius: .75rem; border: none; }
.savings-mini {
  border-radius: 1rem;
  padding: 1.1rem;
  height: 100%;
  border: 1px solid #E2E8F0;
  background: #fff;
}
.savings-mini.money { border-top: 4px solid var(--wm-green); }
.savings-mini.co2 { border-top: 4px solid #0EA5E9; }
.savings-mini.payback { border-top: 4px solid var(--wm-orange); }
.formula-card {
  background: var(--wm-blue-light);
  border: 1px solid #BFDBFE;
  border-radius: 1rem;
  padding: 1.25rem;
  color: #1E3A8A;
}
.eligibility-card {
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 1rem;
  padding: 1.25rem;
}
.wa-report-card {
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: 1.25rem;
  padding: 1.35rem;
}
.ready-card {
  background: linear-gradient(135deg, #F59E0B, #F97316);
  color: #fff;
  border-radius: 1.25rem;
  padding: 1.5rem;
}

.page-hero {
  background: linear-gradient(135deg, #0F172A, #14532D);
  color: #fff;
  padding: 3.5rem 0 2.5rem;
}
.page-hero h1 { font-weight: 800; }
.wm-breadcrumbs { background: #F8FAFC; border-bottom: 1px solid #E2E8F0; }
.wm-breadcrumbs ol { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; margin: 0; padding: .65rem 0; font-size: .85rem; }
.wm-breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: .35rem; color: #94A3B8; }
.wm-breadcrumbs a { color: #166534; text-decoration: none; }
.form-control, .form-select {
  border-radius: .75rem;
  padding: .7rem .9rem;
  border-color: #CBD5E1;
}
.form-control:focus, .form-select:focus {
  border-color: var(--wm-green);
  box-shadow: 0 0 0 .2rem rgba(22,163,74,.18);
}
.form-label { font-weight: 600; font-size: .9rem; color: var(--wm-navy); }

.wm-whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #fff !important;
  display: grid; place-items: center;
  font-size: 1.8rem;
  box-shadow: 0 10px 25px rgba(37,211,102,.45);
  z-index: 1050;
  transition: transform .2s ease;
}
.wm-whatsapp-float:hover { transform: scale(1.06); color: #fff !important; }

.sample-note {
  font-size: .8rem;
  color: #92400E;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: .5rem;
  padding: .35rem .6rem;
  display: inline-block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 991.98px) {
  .wm-hero { min-height: auto; padding: 5rem 0 4rem; }
  .metric-grid { grid-template-columns: 1fr; }
  .wm-stats { margin-top: -1.5rem; }
  .wm-stats-bar { grid-template-columns: 1fr 1fr; }
  .wm-stat:nth-child(3)::before { display: none; }
  .wm-stat:nth-child(n + 3) { border-top: 1px solid #E2E8F0; }
}
@media (max-width: 575.98px) {
  .section { padding: 3rem 0; }
  .savings-band, .final-cta { padding: 1.5rem; }
  .wm-stats-bar { grid-template-columns: 1fr; }
  .wm-stat + .wm-stat::before { display: none; }
  .wm-stat + .wm-stat { border-top: 1px solid #E2E8F0; }
}

.wm-pwa { position: fixed; inset: 0; z-index: 1080; display: grid; place-items: end center; padding: 1rem; background: rgba(15, 23, 42, 0.35); }
.wm-pwa[hidden] { display: none; }
.wm-pwa-card { position: relative; width: min(100%, 26rem); margin-bottom: 1rem; padding: 1.25rem; border-radius: 1.25rem; background: #fff; color: var(--wm-navy); box-shadow: var(--wm-shadow); animation: wm-pwa-in 0.35s ease; }
.wm-pwa-card h2 { font-size: 1.35rem; margin: 0.75rem 0 0.4rem; }
.wm-pwa-card p { margin: 0; color: var(--wm-muted); }
.wm-pwa-note:empty { display: none; }
.wm-pwa-note { margin-top: 0.75rem !important; }
.wm-pwa-actions { display: flex; gap: 0.5rem; margin-top: 1rem; }
.wm-pwa-install, .wm-pwa-later, .wm-pwa-close { border: 0; border-radius: 999px; padding: 0.65rem 1rem; font-weight: 700; }
.wm-pwa-install { background: var(--wm-green); color: #fff; }
.wm-pwa-later { background: var(--wm-grey); color: var(--wm-navy); }
.wm-pwa-close { position: absolute; top: 0.6rem; right: 0.7rem; background: transparent; font-size: 1.4rem; line-height: 1; }
@keyframes wm-pwa-in { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }
@media (max-width: 575.98px) {
  .wm-pwa { place-items: end stretch; }
  .wm-pwa-actions { flex-direction: column; }
}