:root {
  --bg: #07111e;
  --bg-2: #0b1b2d;
  --bg-3: #081625;
  --panel: rgba(16,36,58,.94);
  --panel-2: rgba(10,24,40,.82);
  --text: #eef6ff;
  --muted: #a8bed4;
  --blue: #33a9ff;
  --blue-2: #66c2ff;
  --line: rgba(255,255,255,0.12);
  --line-strong: rgba(51,169,255,.28);
  --max: 1160px;
  --shadow: 0 30px 80px rgba(0,0,0,.22);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header { position: sticky; top: 0; z-index: 10; background: rgba(7,17,30,.88); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px 0; }
.brand { display: inline-flex; align-items: center; min-width: 0; padding-left: 4px; }
.brand-logo { height: 84px; width: auto; display: block; }
nav { display: flex; align-items: center; gap: 22px; color: var(--muted); font-size: 14px; }
nav a:hover { color: var(--text); }
.nav-cta { color: var(--text); border: 1px solid var(--line-strong); padding: 9px 15px; border-radius: 999px; }

.hero { min-height: 760px; display: flex; align-items: center; position: relative; overflow: hidden; background: linear-gradient(90deg, rgba(4,10,18,.90) 0%, rgba(4,10,18,.76) 38%, rgba(4,10,18,.46) 100%), url("images/hero-solar-night.jpg"); background-size: cover; background-position: center center; background-repeat: no-repeat; }
.watermark-logo { position: absolute; right: 1%; top: 10%; width: min(44vw, 580px); height: auto; opacity: 0.045; transform: rotate(9deg); pointer-events: none; filter: grayscale(1) brightness(1.7); }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 64px; align-items: center; position: relative; padding: 40px 0 10px; }
.eyebrow, .mini-eyebrow { color: var(--blue-2); text-transform: uppercase; letter-spacing: .16em; font-size: 12px; font-weight: 700; }
.mini-eyebrow { margin-bottom: 18px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(46px, 6vw, 82px); line-height: .96; letter-spacing: -.055em; max-width: 850px; margin: 20px 0 28px; }
h2 { font-size: clamp(31px, 4vw, 54px); line-height: 1.02; letter-spacing: -.04em; margin: 14px 0 18px; }
h3 { font-size: 21px; margin-bottom: 12px; }
.hero-text { color: var(--muted); max-width: 720px; font-size: 19px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-meta span { display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--text); font-size: 13px; background: rgba(255,255,255,.04); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 13px 20px; border-radius: 999px; font-weight: 700; font-size: 14px; cursor: pointer; border: none; }
.primary { background: var(--blue); color: #031120; box-shadow: 0 20px 40px rgba(51,169,255,.20); }
.secondary { border: 1px solid var(--line); color: var(--text); background: transparent; }
.secondary:hover, .nav-cta:hover { border-color: rgba(102,194,255,.55); }

.hero-card, .card, .why-card, .ecosystem-card, .contact-form-card, .contact-panel, .strip-item, .point-card, .role-card, .status-note { box-shadow: var(--shadow); }
.hero-card { background: linear-gradient(150deg, var(--panel), var(--panel-2)); border: 1px solid var(--line); border-radius: 30px; padding: 34px; }
.hero-card h2 { font-size: 28px; letter-spacing: -.03em; }
.hero-card ul { margin: 24px 0 0; padding: 0; list-style: none; }
.hero-card li { padding: 15px 0; border-top: 1px solid var(--line); color: var(--muted); }

.section { padding: 110px 0; }
.strip { padding: 10px 0 34px; background: transparent; }
.strip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.strip-item { background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 22px; padding: 24px 24px; min-height: 106px; display: flex; flex-direction: column; justify-content: center; }
.strip-item strong { display: block; margin-bottom: 8px; font-size: 17px; line-height: 1.2; }
.strip-item span { color: var(--muted); font-size: 14px; line-height: 1.45; }

.dark { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-heading { max-width: 790px; margin-bottom: 44px; }
.section-heading.narrow { max-width: 760px; }
.section-heading p, .two-col p, .contact-copy p, .ecosystem-card p, .why-card p, .card p, .point-card p { color: var(--muted); font-size: 17px; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { min-height: 230px; background: linear-gradient(160deg, rgba(19,45,72,.9), rgba(13,31,51,.85)); border: 1px solid var(--line); border-radius: 24px; padding: 28px; }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: start; }
.split { background: linear-gradient(90deg, rgba(51,169,255,.09), transparent 45%), var(--bg); }

.status-note { margin-top: 28px; padding: 18px 20px; border: 1px solid var(--line-strong); border-radius: 18px; color: var(--text); background: rgba(51,169,255,.07); }

.manufacturers { background: var(--bg-3); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.manufacturer-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.point-card { min-height: 190px; background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.point-card span { display: inline-block; color: var(--blue-2); font-size: 12px; font-weight: 800; letter-spacing: .16em; margin-bottom: 18px; }
.point-card strong { display: block; color: var(--text); font-size: 19px; margin-bottom: 8px; }

#why { position: relative; overflow: hidden; }
#why::after { content: ""; position: absolute; right: -40px; bottom: -30px; width: min(24vw, 260px); height: min(24vw, 260px); background: url('watermark-propeller.png') center / contain no-repeat; opacity: .02; filter: grayscale(1) brightness(1.6); pointer-events: none; }
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.why-card { background: linear-gradient(160deg, rgba(13,31,51,.92), rgba(10,25,42,.88)); border: 1px solid var(--line); border-radius: 24px; padding: 28px; min-height: 240px; }
.why-number { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 999px; background: rgba(51,169,255,.08); border: 1px solid var(--line-strong); color: var(--blue-2); font-weight: 800; letter-spacing: .08em; margin-bottom: 18px; }

.ecosystem { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.ecosystem-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.ecosystem-card { min-height: 168px; background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 18px; padding: 24px; }
.ecosystem-card span { display: inline-block; color: var(--blue-2); font-size: 12px; font-weight: 800; letter-spacing: .16em; margin-bottom: 18px; }
.ecosystem-card strong { display: block; color: var(--text); font-size: 19px; margin-bottom: 8px; }

.contact { background: radial-gradient(circle at 15% 20%, rgba(51,169,255,.15), transparent 28%), var(--bg); }
.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: stretch; }
.contact-copy, .contact-form-card { background: linear-gradient(145deg, rgba(16,36,58,.94), rgba(10,25,42,.86)); border: 1px solid var(--line); border-radius: 34px; padding: 40px; }
.role-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 26px 0 8px; }
.role-card { background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 16px; padding: 17px; }
.role-card strong { display: block; margin-bottom: 8px; }
.role-card span { display: block; color: var(--muted); font-size: 14px; line-height: 1.45; }
.contact-panels { display: grid; gap: 14px; margin-top: 28px; }
.contact-panel { background: rgba(255,255,255,.03); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; }
.panel-label { display: block; color: var(--blue-2); text-transform: uppercase; font-size: 11px; font-weight: 800; letter-spacing: .16em; margin-bottom: 6px; }
.contact-panel a, .contact-panel span:last-child { font-size: 17px; color: var(--text); }
.contact-form-card h3 { font-size: 28px; margin-bottom: 18px; }
.contact-form { display: grid; gap: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.field { display: grid; gap: 8px; }
.field label { color: var(--text); font-size: 13px; font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; background: rgba(255,255,255,.04); color: var(--text); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font: inherit; outline: none; }
.field input::placeholder, .field textarea::placeholder { color: rgba(168,190,212,.8); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(102,194,255,.5); box-shadow: 0 0 0 3px rgba(51,169,255,.12); }
.form-button { justify-self: start; }
.form-note { margin: 0; color: var(--muted); font-size: 13px; }

footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: 13px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-icon { width: 34px; height: 34px; border-radius: 8px; display: block; }

@media (max-width: 1100px) {
  .brand-logo { height: 70px; }
  nav { gap: 16px; font-size: 13px; }
}

@media (max-width: 900px) {
  nav { display: none; }
  .hero { min-height: auto; padding: 80px 0 56px; background-position: 58% center; }
  .hero-grid, .two-col, .contact-layout { grid-template-columns: 1fr; gap: 34px; }
  .cards, .why-grid, .manufacturer-points { grid-template-columns: repeat(2, 1fr); }
  .strip-grid, .ecosystem-list { grid-template-columns: 1fr; }
  .watermark-logo { width: 340px; right: -8%; top: 18%; }
  .form-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .brand-logo { height: 56px; }
  .cards, .ecosystem-list, .why-grid, .manufacturer-points, .role-cards { grid-template-columns: 1fr; }
  h1 { font-size: 44px; }
  .section { padding: 76px 0; }
  .hero-card, .contact-copy, .contact-form-card { padding: 26px; border-radius: 24px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}