:root {
  --blue: #0874c9;
  --deep-blue: #062b55;
  --navy: #071f3d;
  --green: #2e8b3c;
  --bright-green: #43a047;
  --light-green: #eaf7ec;
  --sky: #eaf6ff;
  --text: #162033;
  --muted: #5f6f84;
  --line: #dbe5ee;
  --soft: #f5f9fc;
  --white: #ffffff;
  --earth: #b49d6c;
  --shadow: 0 20px 50px rgba(6, 43, 85, 0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}
a { color: var(--blue); text-decoration: none; }
img { max-width: 100%; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.narrow { max-width: 880px; }

.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}
.nav {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img { height: 60px; width: auto; display: block; }
.nav-links { display: flex; gap: 21px; font-weight: 800; font-size: 14px; align-items: center; }
.nav-links a { color: var(--deep-blue); }
.nav-links a:hover { color: var(--green); }
.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: white;
  color: var(--deep-blue);
  border-radius: 999px;
  padding: 9px 14px;
  font-weight: 800;
}

.hero, .page-hero {
  background:
    radial-gradient(circle at top left, rgba(8,116,201,0.16), transparent 34%),
    radial-gradient(circle at bottom right, rgba(46,139,60,0.14), transparent 30%),
    linear-gradient(135deg, var(--sky), #ffffff 55%, var(--light-green));
  border-bottom: 1px solid var(--line);
}
.hero { padding: 88px 0 78px; }
.page-hero { padding: 86px 0 76px; }
.energy-hero {
  background:
    radial-gradient(circle at top left, rgba(46,139,60,0.20), transparent 36%),
    linear-gradient(135deg, #eefaf0, #ffffff 55%, #eaf6ff);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 54px;
  align-items: center;
}
.eyebrow {
  color: var(--green);
  font-weight: 900;
  letter-spacing: 0.085em;
  text-transform: uppercase;
  font-size: 13px;
  margin: 0 0 14px;
}
.eyebrow.light { color: rgba(255,255,255,0.82); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  color: var(--deep-blue);
  margin-bottom: 24px;
}
h2 {
  font-size: clamp(30px, 3.3vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--deep-blue);
  margin-bottom: 22px;
}
h3 { color: var(--deep-blue); font-size: 22px; line-height: 1.2; margin-bottom: 12px; }
.lead { font-size: 21px; color: var(--muted); max-width: 760px; }
.large-text { font-size: 22px; color: var(--deep-blue); font-weight: 700; }
.status {
  display: inline-block;
  background: #fff7e6;
  border: 1px solid #f4d48a;
  color: #73510c;
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 800;
  font-size: 14px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 20px;
  font-weight: 900;
  border: 1px solid transparent;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
}
.button.primary { background: linear-gradient(135deg, var(--blue), var(--green)); color: white; box-shadow: 0 12px 30px rgba(8,116,201,0.18); }
.button.secondary { color: var(--deep-blue); background: white; border-color: var(--line); }
.button.white { background: white; color: var(--deep-blue); }
.hero-visual {
  background: white;
  border-radius: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  padding: 12px;
  overflow: hidden;
}
.hero-visual img { display: block; border-radius: 22px; width: 100%; }

.section { padding: 88px 0; }
.section.soft { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading { max-width: 860px; margin-bottom: 38px; }
.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }

.card, .mini-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
  box-shadow: 0 10px 30px rgba(6, 43, 85, 0.06);
}
.lift { transition: transform 180ms ease, box-shadow 180ms ease; }
.lift:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(6, 43, 85, 0.11); }
.icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: white;
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-bottom: 22px;
  font-size: 14px;
}
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.note {
  border-left: 4px solid var(--green);
  background: var(--light-green);
  padding: 18px 20px;
  border-radius: 0 16px 16px 0;
  font-weight: 700;
  color: #204b29;
}
.feature-list { display: grid; gap: 14px; }
.feature-list div {
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
}
.feature-list strong { display: block; color: var(--deep-blue); margin-bottom: 4px; }
.feature-list span { color: var(--muted); }
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.metrics div {
  border-radius: 28px;
  padding: 32px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #ffffff, #f5fbff);
}
.metrics strong {
  display: block;
  font-size: 46px;
  line-height: 1;
  color: var(--blue);
  margin-bottom: 12px;
}
.metrics span { color: var(--muted); font-weight: 700; }

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.timeline div {
  background: white;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 24px;
}
.timeline span {
  display: inline-flex;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--sky);
  color: var(--blue);
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin-bottom: 16px;
}
.timeline strong { display: block; color: var(--deep-blue); font-size: 19px; margin-bottom: 8px; }

.energy-card {
  background: linear-gradient(135deg, var(--deep-blue), #0a5faf);
  color: white;
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
}
.energy-card strong { font-size: 28px; display: block; margin-bottom: 14px; }
.energy-card p { color: rgba(255,255,255,0.88); font-size: 19px; }

.accent-cta {
  background: linear-gradient(135deg, var(--deep-blue), var(--blue) 55%, var(--green));
  color: white;
}
.accent-cta h2, .accent-cta p { color: white; }
.cta { text-align: center; max-width: 870px; }
.contact-layout { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 34px; align-items: start; }
.contact-panel, .contact-form {
  background: white;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 32px;
  box-shadow: var(--shadow);
}
.contact-form { display: grid; gap: 18px; }
label { display: grid; gap: 7px; font-weight: 800; color: var(--deep-blue); }
input, textarea, select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: white;
}
textarea { resize: vertical; }
.form-note { color: var(--muted); font-size: 14px; margin-bottom: 0; }

.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.76);
  padding: 48px 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 34px;
}
.site-footer strong { display: block; color: white; margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.14);
  margin-top: 28px;
  padding-top: 18px;
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero-grid, .split, .contact-layout { grid-template-columns: 1fr; }
  .grid.three, .grid.four, .metrics, .timeline, .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav { min-height: 72px; }
  .brand img { height: 44px; }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 74px;
    background: white;
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: 22px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-open .nav-links { display: flex; }
  .hero { padding: 58px 0; }
  .page-hero { padding: 56px 0; }
  .section { padding: 60px 0; }
  .container { width: min(100% - 28px, 1160px); }
  h1 { font-size: 40px; }
  .lead { font-size: 18px; }
}