:root {
  --bg: #061321;
  --bg-2: #0a1d32;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --text: #f7fbff;
  --muted: #9dafca;
  --line: rgba(255, 255, 255, 0.14);
  --green: #2be8a6;
  --blue: #58b7ff;
  --violet: #b08cff;
  --gold: #ffe08a;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 15%, rgba(43, 232, 166, 0.18), transparent 30%),
    radial-gradient(circle at 80% 12%, rgba(88, 183, 255, 0.16), transparent 34%),
    radial-gradient(circle at 65% 78%, rgba(176, 140, 255, 0.17), transparent 38%),
    linear-gradient(135deg, #061321 0%, #071a2f 45%, #0b1021 100%);
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px min(5vw, 64px);
  backdrop-filter: blur(18px);
  background: rgba(6, 19, 33, 0.72);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: 18px;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 10px 32px rgba(0,0,0,.18);
}
.brand img { width: 210px; max-height: 74px; object-fit: contain; }
.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav a {
  padding: 10px 14px;
  color: #c5d3e9;
  font-weight: 650;
  font-size: 14px;
  border-radius: 999px;
  transition: 0.25s ease;
}
.nav a:hover { background: rgba(255,255,255,0.08); color: white; }
.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.08);
  color: white;
  border-radius: 12px;
  padding: 8px 12px;
  font-size: 20px;
}

.section-pad { padding: 92px min(5vw, 64px); }
.section-narrow {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 820px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: 52px;
}
.eyebrow {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 850;
  font-size: 12px;
  margin: 0 0 14px;
}
h1, h2, h3 { line-height: 1.05; margin: 0; letter-spacing: -0.045em; }
h1 {
  max-width: 820px;
  font-size: clamp(46px, 7vw, 92px);
  font-weight: 920;
}
h2 { font-size: clamp(34px, 5vw, 58px); font-weight: 880; }
h3 { font-size: 24px; font-weight: 820; }
.hero-text {
  color: #c4d2e8;
  font-size: clamp(17px, 2vw, 21px);
  max-width: 720px;
  margin: 28px 0 0;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 850;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  background: linear-gradient(135deg, var(--green), var(--blue) 55%, var(--violet));
  color: #04111f;
  box-shadow: 0 20px 50px rgba(61, 196, 239, 0.25);
}
.btn.secondary {
  color: white;
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.07);
}
.btn.full { width: 100%; border: none; }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 38px;
}
.trust-row span {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  color: #dce8f7;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 620px;
  border-radius: 42px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.035));
  box-shadow: var(--shadow);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(255,255,255,0.11);
  border-radius: 32px;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(3px);
  opacity: 0.75;
}
.orb-one {
  width: 250px;
  height: 250px;
  background: rgba(43, 232, 166, 0.22);
  top: 50px;
  right: -80px;
}
.orb-two {
  width: 310px;
  height: 310px;
  background: rgba(176, 140, 255, 0.2);
  bottom: -110px;
  left: -80px;
}
.hero-logo-card {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(390px, 72%);
  padding: 18px 20px 15px;
  border-radius: 30px;
  background: rgba(255,255,255,.96);
  border: 1px solid rgba(255,255,255,.55);
  box-shadow: 0 34px 90px rgba(0,0,0,.30);
  text-align: center;
}
.hero-logo-card img {
  width: 100%;
  margin: 0 auto;
}
.hero-logo-card p {
  margin: 8px 0 0;
  color: #0b2945;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .03em;
}
.center-gem {
  position: absolute;
  width: 190px;
  height: 190px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(43,232,166,.20), rgba(88,183,255,.12), rgba(176,140,255,.20));
  box-shadow: inset 0 0 60px rgba(255,255,255,0.06), 0 40px 90px rgba(0,0,0,0.35);
}
.center-gem::after {
  content: "";
  position: absolute;
  inset: 28px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.2);
}
.gem-lines {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 49.5%, rgba(255,255,255,.22) 50%, transparent 50.5%),
    linear-gradient(0deg, transparent 49.5%, rgba(255,255,255,.22) 50%, transparent 50.5%);
}
.tech-card {
  position: absolute;
  width: min(270px, 70%);
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(5, 17, 31, 0.78);
  backdrop-filter: blur(16px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}
.tech-card strong, .tech-card small { display: block; }
.tech-card small { color: var(--muted); margin-top: 5px; }
.tech-card .icon {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  margin-bottom: 10px;
  color: var(--green);
}
.solar-card { top: 72px; left: 44px; }
.chip-card { top: 250px; right: 42px; }
.diamond-card { bottom: 72px; left: 58px; }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: rgba(255,255,255,0.07);
  box-shadow: var(--shadow);
}
.metrics div {
  padding: 28px;
  border-radius: 24px;
  background: rgba(255,255,255,0.055);
}
.metrics strong {
  display: block;
  font-size: 38px;
  letter-spacing: -0.05em;
}
.metrics span { color: var(--muted); font-weight: 650; }

.section-head {
  width: min(850px, 100%);
  margin: 0 auto 44px;
  text-align: center;
}
.section-head p:last-child {
  color: var(--muted);
  font-size: 18px;
  margin: 18px auto 0;
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  min-height: 430px;
  padding: 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.075);
  box-shadow: 0 20px 70px rgba(0,0,0,0.18);
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.105);
  border-color: rgba(88,183,255,.35);
}
.card p { color: #c6d3e7; }
.card ul {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}
.card li {
  color: #dbe8f8;
  margin: 10px 0;
  padding-left: 25px;
  position: relative;
}
.card li::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green), var(--blue));
  position: absolute;
  left: 0;
  top: 9px;
}
.card-icon {
  width: 62px;
  height: 62px;
  border-radius: 20px;
  margin-bottom: 24px;
  position: relative;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--line);
}
.card-icon.sun::before {
  content: "";
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 26px rgba(255,224,138,.65);
}
.card-icon.chip::before {
  content: "";
  position: absolute;
  inset: 15px;
  border: 2px solid var(--blue);
  border-radius: 9px;
  box-shadow: 0 0 18px rgba(88,183,255,.45);
}
.card-icon.diamond::before {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  left: 17px;
  top: 17px;
  transform: rotate(45deg);
  border: 2px solid var(--green);
  background: rgba(43,232,166,.12);
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 54px;
}
.split-visual {
  position: relative;
  min-height: 470px;
  border-radius: 36px;
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(43,232,166,.10), rgba(88,183,255,.07), rgba(176,140,255,.09));
  overflow: hidden;
  box-shadow: var(--shadow);
}
.layer {
  position: absolute;
  left: 50%;
  transform: translateX(-50%) rotate(-10deg);
  width: 72%;
  height: 70px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 26px 60px rgba(0,0,0,.22);
}
.layer-a { top: 120px; }
.layer-b { top: 200px; width: 63%; background: rgba(88,183,255,.10); }
.layer-c { top: 280px; width: 54%; background: rgba(43,232,166,.10); }
.pulse-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 16px rgba(43,232,166,.12), 0 0 0 34px rgba(43,232,166,.06), 0 0 45px rgba(43,232,166,.7);
}
.split-copy p:not(.eyebrow) { color: #c7d5e9; font-size: 18px; }
.feature-list { margin-top: 28px; display: grid; gap: 12px; }
.feature-list div {
  display: flex;
  gap: 15px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.06);
}
.feature-list span {
  color: var(--green);
  font-weight: 900;
  font-size: 13px;
}
.feature-list p { margin: 0; font-weight: 700; }

.dark-panel {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
  border-radius: 42px;
  border: 1px solid var(--line);
  background: rgba(0, 10, 24, 0.62);
  box-shadow: var(--shadow);
}
.section-head.light p:last-child { color: #c4d3e8; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.why-grid div {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255,255,255,0.065);
  border: 1px solid rgba(255,255,255,0.10);
}
.why-grid strong { display: block; font-size: 18px; margin-bottom: 8px; }
.why-grid p { margin: 0; color: var(--muted); }

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 54px;
  border-radius: 34px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(43,232,166,.12), rgba(88,183,255,.10), rgba(176,140,255,.11));
  margin-top: 92px;
}
.cta h2 { font-size: clamp(28px, 4vw, 44px); }

.contact {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 40px;
  align-items: start;
}
.contact-copy p:not(.eyebrow) { color: var(--muted); font-size: 18px; }
.contact-cards { display: grid; gap: 12px; margin-top: 26px; }
.contact-cards a {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.065);
  transition: .25s ease;
}
.contact-cards a:hover { background: rgba(255,255,255,.1); transform: translateY(-2px); }
.contact-cards strong, .contact-cards span { display: block; }
.contact-cards span { color: var(--blue); margin-top: 4px; word-break: break-word; }
.contact-form {
  padding: 28px;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.08);
  box-shadow: var(--shadow);
}
.contact-form label {
  display: grid;
  gap: 8px;
  color: #dbe8f8;
  font-weight: 750;
  margin-bottom: 16px;
}
input, select, textarea {
  width: 100%;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  background: rgba(3,12,22,.72);
  color: white;
  padding: 14px 15px;
  font: inherit;
  outline: none;
}
input:focus, select:focus, textarea:focus { border-color: rgba(88,183,255,.65); }
textarea { resize: vertical; }

.footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 26px;
  padding: 42px min(5vw, 64px);
  border-top: 1px solid var(--line);
  background: rgba(4, 13, 24, 0.75);
}
.footer img {
  width: 210px;
  max-height: 78px;
  object-fit: contain;
  background: rgba(255,255,255,.96);
  border-radius: 18px;
  padding: 6px 10px;
}
.footer p { color: var(--muted); max-width: 470px; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; justify-content: end; }
.footer-links a { color: #dbe8f8; font-weight: 700; }
.copyright { grid-column: 1 / -1; margin: 0; font-size: 14px; }

.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(6, 19, 33, .85);
  color: white;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: .25s ease;
}
.back-to-top.show { opacity: 1; pointer-events: auto; }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: .12s; }
.delay-2 { transition-delay: .22s; }

@media (max-width: 980px) {
  .hero, .split, .contact { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 70px; }
  .hero-visual { min-height: 560px; }
  .cards-grid, .why-grid { grid-template-columns: 1fr 1fr; }
  .metrics { grid-template-columns: 1fr; }
  .cta { flex-direction: column; align-items: start; }
}

@media (max-width: 720px) {
  .header { padding: 14px 18px; }
  .brand img { width: 176px; max-height: 62px; }
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 74px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(6,19,33,.94);
    box-shadow: var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { border-radius: 12px; }
  .section-pad { padding: 68px 20px; }
  h1 { font-size: 44px; }
  .hero-visual { min-height: 500px; border-radius: 28px; }
  .tech-card { width: 78%; }
  .solar-card { top: 44px; left: 26px; }
  .chip-card { top: 205px; right: 24px; }
  .diamond-card { bottom: 44px; left: 26px; }
  .hero-logo-card { width: min(330px, 76%); padding: 14px; border-radius: 24px; }
  .cards-grid, .why-grid { grid-template-columns: 1fr; }
  .card { min-height: auto; }
  .cta { width: calc(100% - 40px); padding: 28px; }
  .dark-panel { width: calc(100% - 40px); padding-left: 22px; padding-right: 22px; }
  .footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: start; }
}