*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #1D9E75;
  --green-light: #5DCAA5;
  --green-pale: rgba(29,158,117,0.13);
  --dark: #050F1E;
  --dark-2: #0A1929;
  --text: #111827;
  --text-muted: #6B7280;
  --border: rgba(0,0,0,0.08);
  --radius: 12px;
}

html { scroll-behavior: smooth; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: var(--text); background: #fff; }
a { color: inherit; }
img { max-width: 100%; display: block; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding: 0 40px; height: 58px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.nav-logo-icon { width: 30px; height: 30px; border-radius: 7px; background: var(--green); display: flex; align-items: center; justify-content: center; font-size: 16px; }
.nav-logo-text { font-size: 16px; font-weight: 600; color: #fff; }
.nav-links { display: flex; align-items: center; gap: 2px; }
.nav-links a { font-size: 13px; color: rgba(255,255,255,0.62); padding: 6px 12px; border-radius: 7px; text-decoration: none; transition: all .18s; }
.nav-links a:hover, .nav-links a.active { color: #fff; background: rgba(255,255,255,0.08); }
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-cta { font-size: 13px; font-weight: 500; color: #fff; background: var(--green); border: none; padding: 7px 18px; border-radius: 7px; cursor: pointer; text-decoration: none; }
.nav-cta:hover { opacity: .88; }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; margin: 5px 0; border-radius: 2px; transition: all .2s; }

/* ── HERO ── */
.hero { position: relative; min-height: 580px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('https://images.unsplash.com/photo-1586023492125-27b2c045efd7?w=1600&q=85') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(110deg, rgba(5,15,30,0.92) 42%, rgba(5,15,30,0.52) 100%); }
.hero-glow { position: absolute; top: 18%; right: 16%; width: 320px; height: 320px; background: radial-gradient(circle, rgba(255,195,55,0.13), transparent 65%); border-radius: 50%; pointer-events: none; }
.hero-content { position: relative; z-index: 2; padding: 72px 60px; max-width: 640px; }
.hero-badge { display: inline-flex; align-items: center; gap: 7px; background: rgba(29,158,117,0.16); border: 1px solid rgba(29,158,117,0.38); border-radius: 30px; padding: 6px 16px; margin-bottom: 26px; }
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green-light); }
.hero-badge span { font-size: 12px; color: var(--green-light); font-weight: 500; letter-spacing: .04em; }
.hero h1 { font-size: 44px; font-weight: 700; color: #fff; line-height: 1.18; margin-bottom: 20px; letter-spacing: -.02em; }
.hero h1 em { font-style: normal; color: var(--green-light); }
.hero p { font-size: 16px; color: rgba(255,255,255,0.70); line-height: 1.72; margin-bottom: 38px; max-width: 490px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-green { padding: 13px 26px; background: var(--green); color: #fff; border-radius: 9px; font-size: 15px; font-weight: 500; border: none; cursor: pointer; text-decoration: none; transition: opacity .18s; display: inline-block; }
.btn-green:hover { opacity: .88; }
.btn-ghost { padding: 13px 26px; background: rgba(255,255,255,0.09); color: #fff; border-radius: 9px; font-size: 15px; font-weight: 500; border: 1px solid rgba(255,255,255,0.22); cursor: pointer; text-decoration: none; transition: all .18s; display: inline-block; }
.btn-ghost:hover { background: rgba(255,255,255,0.15); }
.hero-stats { position: absolute; bottom: 36px; right: 44px; z-index: 2; display: flex; gap: 14px; }
.stat-pill { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.13); border-radius: 12px; padding: 12px 20px; text-align: center; }
.stat-pill .num { font-size: 22px; font-weight: 700; color: #fff; }
.stat-pill .lbl { font-size: 11px; color: rgba(255,255,255,0.48); margin-top: 3px; }

/* ── TRUST BAR ── */
.trust-bar { background: var(--dark-2); border-bottom: 1px solid rgba(255,255,255,0.06); padding: 14px 60px; display: flex; align-items: center; gap: 40px; overflow-x: auto; }
.trust-label { font-size: 11px; color: rgba(255,255,255,0.35); white-space: nowrap; text-transform: uppercase; letter-spacing: .08em; }
.trust-items { display: flex; gap: 32px; align-items: center; }
.trust-item { font-size: 13px; color: rgba(255,255,255,0.55); white-space: nowrap; }

/* ── SECTIONS ── */
.section { padding: 64px 60px; }
.section-alt { background: #F9FAFB; }
.section-dark { background: var(--dark); }
.section-head { margin-bottom: 36px; }
.eyebrow { font-size: 12px; font-weight: 600; color: var(--green); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; }
.section-head h2 { font-size: 28px; font-weight: 700; line-height: 1.25; }
.section-head p { font-size: 15px; color: var(--text-muted); margin-top: 8px; line-height: 1.6; }

/* ── CARDS ── */
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }

.news-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .2s, transform .2s; text-decoration: none; color: var(--text); display: block; }
.news-card:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.09); transform: translateY(-2px); }
.news-card-img { height: 180px; background: #E1F5EE; display: flex; align-items: center; justify-content: center; font-size: 40px; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; }
.news-card-img.solar { background: linear-gradient(135deg,#E1F5EE,#9FE1CB); }
.news-card-img.battery { background: linear-gradient(135deg,#E6F1FB,#B5D4F4); }
.news-card-img.policy { background: linear-gradient(135deg,#FAEEDA,#FAC775); }
.news-card-img.ev { background: linear-gradient(135deg,#EEEDFE,#AFA9EC); }
.news-card-body { padding: 16px 18px 20px; }
.news-tag { font-size: 11px; font-weight: 600; color: var(--green); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 7px; }
.news-card h3 { font-size: 15px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; }
.news-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.news-meta { font-size: 11px; color: var(--text-muted); margin-top: 12px; display: flex; gap: 10px; }

.feature-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 22px; background: #fff; transition: border-color .2s; }
.feature-card:hover { border-color: var(--green-light); }
.feature-icon { width: 40px; height: 40px; border-radius: 9px; background: var(--green-pale); display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 14px; }
.feature-card h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.55; }

/* ── CTA BAND ── */
.cta-band { background: var(--dark); padding: 56px 60px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { font-size: 26px; font-weight: 700; color: #fff; max-width: 420px; line-height: 1.3; }
.cta-band p { font-size: 14px; color: rgba(255,255,255,0.55); margin-top: 8px; }
.cta-band-btns { display: flex; gap: 12px; flex-shrink: 0; }

/* ── ARTICLE / BLOG ── */
.page-header { background: var(--dark); padding: 56px 60px 48px; }
.page-header .eyebrow { color: var(--green-light); }
.page-header h1 { font-size: 36px; font-weight: 700; color: #fff; line-height: 1.25; max-width: 720px; margin: 10px 0 14px; }
.page-header .meta { font-size: 13px; color: rgba(255,255,255,0.5); display: flex; gap: 16px; flex-wrap: wrap; }
.article-body { max-width: 760px; margin: 0 auto; padding: 48px 60px; }
.article-body h2 { font-size: 22px; font-weight: 700; margin: 32px 0 12px; }
.article-body h3 { font-size: 18px; font-weight: 600; margin: 24px 0 10px; }
.article-body p { font-size: 16px; line-height: 1.75; margin-bottom: 18px; color: #1F2937; }
.article-body ul, .article-body ol { padding-left: 24px; margin-bottom: 18px; }
.article-body li { font-size: 16px; line-height: 1.7; margin-bottom: 6px; color: #1F2937; }
.article-body strong { font-weight: 600; }
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-pill { font-size: 12px; padding: 4px 12px; border-radius: 20px; background: #F3F4F6; color: var(--text-muted); text-decoration: none; }
.tag-pill:hover { background: var(--green-pale); color: var(--green); }

/* ── NEWS LISTING ── */
.news-listing { padding: 48px 60px; }
.news-listing h1 { font-size: 30px; font-weight: 700; margin-bottom: 8px; }
.news-listing .subtitle { font-size: 15px; color: var(--text-muted); margin-bottom: 36px; }

/* ── FOOTER ── */
footer { background: var(--dark-2); color: rgba(255,255,255,0.5); padding: 40px 60px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 32px; }
.footer-brand p { font-size: 13px; line-height: 1.65; max-width: 260px; margin-top: 12px; }
.footer-col h5 { font-size: 12px; font-weight: 600; color: #fff; text-transform: uppercase; letter-spacing: .07em; margin-bottom: 14px; }
.footer-col a { display: block; font-size: 13px; color: rgba(255,255,255,0.48); text-decoration: none; margin-bottom: 9px; transition: color .15s; }
.footer-col a:hover { color: var(--green-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { font-size: 12px; }

/* ── PRODUCT PAGES ── */
.product-hero { background: var(--dark); padding: 48px 60px 36px; display: flex; gap: 48px; align-items: flex-start; flex-wrap: wrap; }
.product-hero-left { flex: 1; min-width: 280px; }
.product-hero-right { flex: 0 0 340px; }
.product-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(29,158,117,0.16); border: 1px solid rgba(29,158,117,0.35); border-radius: 20px; padding: 5px 14px; margin-bottom: 16px; font-size: 11px; color: var(--green-light); font-weight: 600; letter-spacing: .05em; text-transform: uppercase; }
.product-hero h1 { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.2; margin-bottom: 12px; }
.product-hero .brand { font-size: 13px