/*
Theme Name: DragonHelio
Theme URI: https://dragonhelio.com
Author: DragonHelio
Description: Premium B2B off-grid solar microgrid EPC theme. Dark industrial style with amber solar accents.
Version: 3.0
*/

:root {
  --dh-navy: #0A1929;
  --dh-navy-2: #0F2942;
  --dh-navy-3: #163A5F;
  --dh-amber: #FF8C00;
  --dh-amber-light: #FFA940;
  --dh-green: #00C853;
  --dh-white: #FFFFFF;
  --dh-gray: #8A9BB0;
  --dh-light: #F0F4F8;
  --dh-border: #1E3A52;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: #E8EDF2;
  line-height: 1.6;
  background: var(--dh-navy);
}

a { text-decoration: none; color: inherit; }

/* ===== HEADER ===== */
.site-header {
  background: rgba(10, 25, 41, 0.98) !important;
  border-bottom: 1px solid var(--dh-border) !important;
  padding: 0 5% !important;
}

.main-header-menu a {
  color: rgba(255,255,255,0.75) !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.main-header-menu a:hover { color: var(--dh-amber) !important; }

.site-branding .site-title {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.site-branding .site-title a { color: var(--dh-white) !important; }

/* ===== HERO ===== */
.dh-hero {
  min-height: 92vh;
  background: linear-gradient(135deg, #050D18 0%, #0A1929 40%, #0F2942 100%);
  display: flex;
  align-items: center;
  padding: 140px 5% 100px;
  position: relative;
  overflow: hidden;
}

.dh-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.3;
}

.dh-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,25,41,0.95) 0%, rgba(10,25,41,0.6) 60%, transparent 100%);
}

.dh-hero-content {
  max-width: 880px;
  position: relative;
  z-index: 2;
}

.dh-hero-line {
  width: 60px;
  height: 4px;
  background: var(--dh-amber);
  margin-bottom: 40px;
}

.dh-hero h1 {
  font-size: clamp(40px, 6.5vw, 72px);
  font-weight: 900;
  color: var(--dh-white);
  line-height: 1.08;
  margin-bottom: 20px;
}

.dh-hero .accent { color: var(--dh-amber); }

.dh-hero .tagline {
  font-size: clamp(18px, 2vw, 22px);
  color: var(--dh-amber);
  font-weight: 700;
  margin-bottom: 24px;
}

.dh-hero .desc {
  font-size: 17px;
  color: rgba(200,215,235,0.85);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 44px;
}

/* ===== BUTTONS ===== */
.dh-btn {
  display: inline-block;
  padding: 16px 36px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 4px;
  transition: all 0.25s;
}

.dh-btn-primary { background: var(--dh-amber); color: #000; }
.dh-btn-primary:hover { background: var(--dh-amber-light); transform: translateY(-2px); }

.dh-btn-outline { border: 1px solid rgba(255,255,255,0.3); color: var(--dh-white); }
.dh-btn-outline:hover { border-color: var(--dh-amber); color: var(--dh-amber); }

/* ===== STATS ===== */
.dh-stats {
  background: var(--dh-navy-2);
  padding: 56px 5%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border-top: 1px solid var(--dh-border);
}

.dh-stat-num { font-size: 48px; font-weight: 900; color: var(--dh-amber); line-height: 1; }
.dh-stat-label { font-size: 12px; color: var(--dh-gray); margin-top: 8px; letter-spacing: 2px; text-transform: uppercase; }

/* ===== SECTIONS ===== */
.dh-section { padding: 100px 5%; }
.dh-section-dark { background: var(--dh-navy); }
.dh-section-darker { background: var(--dh-navy-2); }

.dh-tag { font-size: 11px; color: var(--dh-amber); letter-spacing: 3px; text-transform: uppercase; font-weight: 700; margin-bottom: 12px; }
.dh-title { font-size: clamp(28px, 3.5vw, 44px); font-weight: 800; color: var(--dh-white); line-height: 1.15; margin-bottom: 16px; }
.dh-subtitle { font-size: 15px; color: var(--dh-gray); max-width: 640px; line-height: 1.8; }

/* ===== CARDS ===== */
.dh-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.dh-card {
  background: var(--dh-navy-2);
  border: 1px solid var(--dh-border);
  border-radius: 8px;
  padding: 36px 28px;
  transition: all 0.25s;
}

.dh-card:hover { border-color: var(--dh-amber); transform: translateY(-4px); }

.dh-card-num { font-size: 40px; font-weight: 900; color: var(--dh-amber); line-height: 1; margin-bottom: 16px; }
.dh-card h3 { font-size: 18px; font-weight: 700; color: var(--dh-white); margin-bottom: 12px; }
.dh-card p { font-size: 14px; color: var(--dh-gray); line-height: 1.8; }

/* ===== SOLUTIONS ===== */
.dh-solution {
  background: var(--dh-navy-2);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--dh-border);
  transition: all 0.25s;
}

.dh-solution.featured { border-color: var(--dh-amber); }
.dh-solution:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }

.dh-solution-img { height: 220px; background-size: cover; background-position: center; }
.dh-solution-body { padding: 28px; }
.dh-solution h3 { font-size: 20px; font-weight: 700; color: var(--dh-white); margin-bottom: 10px; }
.dh-solution p { font-size: 14px; color: var(--dh-gray); line-height: 1.7; margin-bottom: 16px; }
.dh-solution ul { list-style: none; padding: 0; }
.dh-solution ul li { font-size: 13px; color: var(--dh-gray); padding: 4px 0; }
.dh-solution ul li::before { content: '— '; color: var(--dh-amber); }

/* ===== PRODUCTS ===== */
.dh-product-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
.dh-product-row:last-child { margin-bottom: 0; }
.dh-product-img { border-radius: 12px; overflow: hidden; height: 360px; }
.dh-product-img img { width: 100%; height: 100%; object-fit: cover; }
.dh-product-tag { font-size: 11px; color: var(--dh-amber); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.dh-product-info h3 { font-size: 26px; font-weight: 700; color: var(--dh-white); margin-bottom: 14px; }
.dh-product-info > p { font-size: 15px; color: var(--dh-gray); line-height: 1.8; margin-bottom: 20px; }

.dh-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.dh-feat { font-size: 12px; color: var(--dh-white); padding: 10px 14px; background: var(--dh-navy-2); border: 1px solid var(--dh-border); border-radius: 4px; }

/* ===== BLOG ===== */
.dh-blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.dh-blog-card { background: var(--dh-navy-2); border-radius: 8px; overflow: hidden; border: 1px solid var(--dh-border); transition: all 0.25s; }
.dh-blog-card:hover { transform: translateY(-4px); border-color: var(--dh-amber); }
.dh-blog-thumb { height: 180px; background: linear-gradient(135deg, var(--dh-navy-3), var(--dh-navy)); }
.dh-blog-body { padding: 24px; }
.dh-blog-cat { font-size: 11px; color: var(--dh-amber); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.dh-blog-title { font-size: 17px; font-weight: 700; color: var(--dh-white); line-height: 1.4; margin-bottom: 8px; }
.dh-blog-excerpt { font-size: 13px; color: var(--dh-gray); line-height: 1.6; }

/* ===== CTA ===== */
.dh-cta { background: linear-gradient(135deg, #050D18 0%, var(--dh-navy) 100%); padding: 100px 5%; text-align: center; }
.dh-cta h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; color: var(--dh-white); margin-bottom: 16px; }
.dh-cta p { color: var(--dh-gray); font-size: 16px; max-width: 540px; margin: 0 auto 40px; }

/* ===== FOOTER ===== */
.site-footer { background: #030A12 !important; padding: 32px 5% !important; text-align: center; }
.site-footer p, .site-footer a { color: rgba(140,165,200,0.4) !important; font-size: 12px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .dh-stats { grid-template-columns: repeat(2, 1fr); }
  .dh-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dh-product-row { grid-template-columns: 1fr; }
  .dh-blog-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .dh-grid-4 { grid-template-columns: 1fr; }
  .dh-stats { grid-template-columns: 1fr; }
}