:root {
  --bg: #07111f;
  --bg-soft: #0d1b2d;
  --card: #102238;
  --text: #f5f8fc;
  --muted: #aab8c9;
  --accent: #ffc62e;
  --accent-dark: #e6a900;
  --line: rgba(255,255,255,.1);
  --max: 1180px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.header {
  height: 78px; padding: 0 5%; display: flex; align-items: center; justify-content: space-between;
  gap: 30px; border-bottom: 1px solid var(--line); background: rgba(7,17,31,.9);
  backdrop-filter: blur(14px); position: sticky; top: 0; z-index: 20;
}
.logo { font-size: 21px; font-weight: 800; letter-spacing: -.5px; white-space: nowrap; }
.logo span { color: var(--accent); margin-right: 7px; }
.nav { display: flex; gap: 34px; align-items: center; }
.nav a { color: var(--muted); font-weight: 600; font-size: 15px; transition: .2s; }
.nav a:hover, .nav a.active { color: var(--text); }
.nav a.active { position: relative; }
.nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -28px; height: 2px; background: var(--accent); }
.header-cta { background: var(--accent); color: #111; padding: 11px 18px; border-radius: 8px; font-weight: 800; font-size: 14px; }
.header-cta:hover { background: #ffd65d; }
.menu-toggle { display: none; background: none; border: 0; color: white; font-size: 26px; }
.hero {
  min-height: 690px; max-width: var(--max); margin: auto; padding: 90px 30px;
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 70px;
}
.eyebrow { color: var(--accent); font-size: 12px; letter-spacing: 2.2px; font-weight: 800; margin-bottom: 15px; }
.hero h1 { font-size: clamp(48px, 6vw, 78px); line-height: 1.02; letter-spacing: -3px; max-width: 760px; }
.hero h1 span { color: var(--accent); }
.hero-text { color: var(--muted); font-size: 18px; max-width: 650px; margin: 25px 0 34px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 13px; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 14px 21px; border-radius: 8px; font-weight: 800; border: 1px solid transparent; transition: .2s; cursor: pointer; }
.btn-primary { background: var(--accent); color: #101010; }
.btn-primary:hover { background: #ffd65d; transform: translateY(-1px); }
.btn-secondary { border-color: var(--line); color: var(--text); }
.btn-secondary:hover { background: rgba(255,255,255,.06); }
.btn-light { background: white; color: #07111f; }
.hero-visual {
  height: 470px; border-radius: 30px; position: relative; overflow: hidden;
  background: radial-gradient(circle at 50% 45%, rgba(255,198,46,.23), transparent 32%),
              linear-gradient(145deg, #132b45, #08121f 65%);
  border: 1px solid var(--line);
}
.hero-visual::before {
  content: ""; position: absolute; inset: 35px; border: 1px solid rgba(255,255,255,.08);
  border-radius: 50%; transform: rotate(-18deg) scaleX(.72);
}
.energy-orb {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
  width: 155px; height: 155px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255,198,46,.12); border: 1px solid rgba(255,198,46,.5);
  box-shadow: 0 0 90px rgba(255,198,46,.18); font-size: 65px; color: var(--accent);
}
.energy-card {
  position: absolute; background: rgba(7,17,31,.82); border: 1px solid var(--line);
  padding: 14px 18px; border-radius: 10px; display: flex; flex-direction: column;
  backdrop-filter: blur(10px);
}
.energy-card small { color: var(--muted); margin-top: 2px; }
.card-one { left: 24px; top: 35px; }
.card-two { right: 22px; bottom: 35px; }
.section { max-width: var(--max); margin: auto; padding: 95px 30px; }
.intro { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; border-top: 1px solid var(--line); }
h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.1; letter-spacing: -1.5px; }
.intro > p { color: var(--muted); font-size: 17px; padding-top: 5px; }
.section-heading { margin-bottom: 42px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .service-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 15px; padding: 30px;
}
.icon { color: var(--accent); font-size: 30px; margin-bottom: 22px; }
.feature-card h3 { font-size: 21px; margin-bottom: 10px; }
.feature-card p, .service-card p { color: var(--muted); }
.cta-section {
  max-width: var(--max); margin: 0 auto 90px; padding: 55px 60px; border-radius: 20px;
  background: linear-gradient(110deg, #17314d, #0e2035); border: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center; gap: 30px;
}
.cta-section h2 { max-width: 700px; }
.page-hero { text-align: center; padding: 100px 30px 80px; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(48px, 7vw, 74px); letter-spacing: -3px; line-height: 1; margin-bottom: 20px; }
.page-hero > p:last-child { max-width: 700px; margin: auto; color: var(--muted); font-size: 18px; }
.services-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.service-card { position: relative; min-height: 390px; }
.service-number { position: absolute; right: 25px; top: 22px; color: rgba(255,255,255,.25); font-weight: 800; font-size: 14px; }
.service-card h2 { font-size: 30px; margin-bottom: 15px; }
.service-card ul { list-style: none; margin-top: 24px; border-top: 1px solid var(--line); padding-top: 18px; }
.service-card li { margin: 8px 0; color: #d7e0ea; }
.service-card li::before { content: "✓"; color: var(--accent); margin-right: 9px; }
.contact-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; }
.contact-info > p:not(.eyebrow) { color: var(--muted); margin: 20px 0 35px; }
.contact-item { display: flex; gap: 15px; margin: 25px 0; }
.contact-item > span { color: var(--accent); font-size: 21px; }
.contact-item strong { display: block; margin-bottom: 3px; }
.contact-item p, .contact-item a { color: var(--muted); }
.contact-item a:hover { color: var(--accent); }
.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: 15px; padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 18px; }
input, textarea, select {
  display: block; width: 100%; margin-top: 7px; padding: 13px 14px; border-radius: 7px;
  border: 1px solid var(--line); background: #091727; color: white; outline: none; font: inherit;
}
input:focus, textarea:focus, select:focus { border-color: rgba(255,198,46,.7); }
textarea { resize: vertical; }
.form-note { color: #7f91a5; font-size: 12px; margin-top: 13px; }
.footer { border-top: 1px solid var(--line); padding: 45px 5%; display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; color: var(--muted); }
.footer p { font-size: 13px; margin-top: 6px; }
.footer-links { display: flex; gap: 25px; font-size: 14px; }
.footer-links a:hover { color: var(--text); }
.copyright { text-align: right; }
@media (max-width: 850px) {
  .header { height: 70px; }
  .menu-toggle { display: block; order: 3; }
  .header-cta { display: none; }
  .nav { display: none; position: absolute; top: 70px; left: 0; right: 0; background: #081523; padding: 18px 5%; border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .nav.open { display: flex; }
  .nav a.active::after { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 60px; }
  .hero-visual { height: 360px; }
  .intro, .contact-layout { grid-template-columns: 1fr; gap: 35px; }
  .cards, .services-grid { grid-template-columns: 1fr; }
  .cta-section { margin: 0 20px 60px; padding: 40px 28px; flex-direction: column; align-items: flex-start; }
  .footer { grid-template-columns: 1fr; }
  .copyright { text-align: left; }
}
@media (max-width: 550px) {
  .hero h1 { letter-spacing: -2px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .hero-buttons { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}