/* HELIOS SOLAR — style.css | High-Tech Slate & Solar Gold */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800&family=Barlow:wght@300;400;500;600&display=swap');
:root {
  --slate: #0F172A; --slate-mid: #1E293B; --slate-light: #334155;
  --gold: #EAB308; --gold-dark: #CA8A04; --amber: #F97316;
  --steel: #64748B; --white: #F8FAFC; --muted: #94A3B8;
  --font-d: 'Barlow Condensed', system-ui, sans-serif;
  --font-b: 'Barlow', system-ui, sans-serif;
  --space-sm: 16px; --space-md: 32px; --space-lg: 64px; --space-xl: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-b); background: var(--slate); color: var(--white); font-size: 15px; line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; } ul { list-style: none; } button { cursor: pointer; font-family: inherit; border: none; }

/* Scanline overlay */
.scanline-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px);
}

.nav {
  position: sticky; top: 0; z-index: 100;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 var(--space-md); height: 60px;
  background: var(--slate-mid); border-bottom: 1px solid rgba(234,179,8,0.2);
}
.nav-status { display: flex; align-items: center; gap: 8px; font-family: var(--font-d); font-size: 11px; letter-spacing: 0.15em; color: var(--steel); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: #22C55E; box-shadow: 0 0 8px #22C55E; animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%,100%{box-shadow:0 0 4px #22C55E;}50%{box-shadow:0 0 12px #22C55E;} }
.nav-brand { font-family: var(--font-d); font-weight: 800; font-size: 20px; letter-spacing: 0.12em; color: var(--gold); text-align: center; }
.nav-links { display: flex; justify-content: flex-end; align-items: center; gap: 24px; }
.nav-links a { font-family: var(--font-d); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); transition: color 0.2s; }
.nav-links a:hover { color: var(--white); }
.nav-cta { color: var(--gold) !important; border: 1px solid rgba(234,179,8,0.3); padding: 8px 16px; }
.nav-cta:hover { background: rgba(234,179,8,0.1) !important; }

.hero {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.2fr; gap: var(--space-lg);
  padding: var(--space-lg) var(--space-md); min-height: 88vh; align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: radial-gradient(ellipse at 70% 50%, rgba(234,179,8,0.06) 0%, transparent 60%);
}
.hero-eyebrow { font-family: var(--font-d); font-size: 11px; font-weight: 600; letter-spacing: 0.2em; color: var(--gold); margin-bottom: var(--space-md); }
.hero-headline { font-family: var(--font-d); font-weight: 800; font-size: clamp(48px, 6vw, 80px); line-height: 1.0; text-transform: uppercase; }
.hero-headline span { color: var(--gold); display: block; }
.hero-body { font-size: 15px; font-weight: 300; color: var(--muted); max-width: 440px; margin: var(--space-md) 0 var(--space-lg); line-height: 1.8; }
.hero-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

.hero-dashboard { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.dash-tile {
  background: var(--slate-mid); border: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-sm); display: flex; flex-direction: column; gap: 4px;
  position: relative; overflow: hidden;
  transition: border-color 0.2s;
}
.dash-tile:hover { border-color: rgba(234,179,8,0.3); }
.dash-tile--lg { grid-column: span 2; }
.dash-tile--accent { background: rgba(234,179,8,0.08); border-color: rgba(234,179,8,0.2); }
.dash-label { font-family: var(--font-d); font-size: 10px; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; color: var(--steel); }
.dash-val { font-family: var(--font-d); font-size: 36px; font-weight: 800; color: var(--white); line-height: 1; }
.dash-tile--accent .dash-val { color: var(--gold); }
.dash-sub { font-size: 10px; color: var(--steel); }

/* Buttons */
.btn-solar {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold); color: var(--slate); font-family: var(--font-d); font-weight: 700;
  font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; padding: 14px 28px;
  transition: background 0.2s, transform 0.15s; cursor: pointer;
}
.btn-solar:hover { background: var(--gold-dark); transform: translateY(-2px); }
.btn-full-solar { width: 100%; justify-content: center; }
.btn-outline-solar {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: var(--gold); border: 1px solid rgba(234,179,8,0.4);
  font-family: var(--font-d); font-weight: 700; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 14px 28px; transition: background 0.2s;
}
.btn-outline-solar:hover { background: rgba(234,179,8,0.1); }

/* Metrics bar */
.metrics-section { position: relative; z-index: 1; background: var(--slate-mid); border-bottom: 1px solid rgba(255,255,255,0.06); }
.metrics-bar { display: flex; align-items: center; justify-content: center; padding: var(--space-sm) var(--space-md); gap: var(--space-md); flex-wrap: wrap; }
.metric-item { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.m-val { font-family: var(--font-d); font-size: 24px; font-weight: 800; color: var(--gold); }
.m-lbl { font-family: var(--font-d); font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }
.metric-sep { color: rgba(255,255,255,0.1); font-size: 24px; }

/* Section shared */
.section-tag { font-family: var(--font-d); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold); margin-bottom: var(--space-sm); }
.section-heading { font-family: var(--font-d); font-weight: 800; font-size: clamp(36px, 5vw, 64px); text-transform: uppercase; line-height: 1.0; margin-bottom: var(--space-md); }

/* ROI Section */
.roi-section { position: relative; z-index: 1; padding: var(--space-xl) var(--space-md); border-bottom: 1px solid rgba(255,255,255,0.06); }
.roi-header { margin-bottom: var(--space-lg); }
.roi-header p { font-size: 15px; font-weight: 300; color: var(--muted); max-width: 500px; line-height: 1.7; }

.roi-widget { display: grid; grid-template-columns: 380px 1fr; gap: var(--space-lg); align-items: start; }
.roi-inputs { background: var(--slate-mid); border: 1px solid rgba(255,255,255,0.08); padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-md); }
.roi-label { display: block; font-family: var(--font-d); font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--steel); margin-bottom: 8px; }
.roi-input-wrap { position: relative; }
.roi-input {
  width: 100%; background: var(--slate); border: 1px solid rgba(255,255,255,0.12);
  color: var(--white); font-family: var(--font-d); font-size: 28px; font-weight: 700;
  padding: 12px 16px; outline: none; transition: border-color 0.2s;
}
.roi-input:focus { border-color: var(--gold); }
.roi-input-unit { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); font-family: var(--font-d); font-size: 13px; font-weight: 600; color: var(--steel); pointer-events: none; }
.roi-select {
  width: 100%; background: var(--slate); border: 1px solid rgba(255,255,255,0.12);
  color: var(--white); font-family: var(--font-b); font-size: 14px;
  padding: 12px 16px; outline: none; cursor: pointer; appearance: none;
}
.type-opts { display: flex; gap: 8px; }
.type-btn {
  flex: 1; background: transparent; border: 1px solid rgba(255,255,255,0.12);
  color: var(--muted); font-family: var(--font-d); font-size: 13px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; padding: 10px;
  transition: border-color 0.15s, color 0.15s;
}
.type-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(234,179,8,0.08); }
.type-btn:hover { border-color: var(--steel); color: var(--white); }

.roi-results { min-height: 300px; display: flex; flex-direction: column; justify-content: center; }
.roi-result-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-sm);
  text-align: center; color: var(--steel); font-size: 14px; padding: var(--space-xl);
}
.roi-kpi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: var(--space-md); }
.roi-kpi { background: var(--slate-mid); border: 1px solid rgba(255,255,255,0.06); padding: var(--space-sm); }
.roi-kpi--gold { border-color: rgba(234,179,8,0.3); background: rgba(234,179,8,0.06); }
.roi-kpi--big { grid-column: span 2; }
.kpi-val { display: block; font-family: var(--font-d); font-size: 28px; font-weight: 800; color: var(--white); line-height: 1; margin-bottom: 4px; }
.roi-kpi--gold .kpi-val { color: var(--gold); }
.kpi-lbl { font-family: var(--font-d); font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }

.roi-chart { margin: var(--space-md) 0; }
.chart-title { font-family: var(--font-d); font-size: 11px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--steel); margin-bottom: var(--space-sm); }
.chart-bars { display: flex; align-items: flex-end; gap: 4px; height: 100px; }
.chart-bar { flex: 1; background: var(--gold); min-width: 8px; border-radius: 2px 2px 0 0; opacity: 0; transition: height 0.6s ease, opacity 0.4s ease; }
.chart-labels { display: flex; gap: 4px; margin-top: 4px; }
.chart-label { flex: 1; text-align: center; font-family: var(--font-d); font-size: 9px; color: var(--steel); }
.roi-disclaimer { font-size: 11px; color: var(--steel); line-height: 1.6; margin-bottom: var(--space-md); border-left: 2px solid rgba(255,255,255,0.08); padding-left: var(--space-sm); }

/* Projects ticker */
.projects-section { position: relative; z-index: 1; padding: var(--space-lg) var(--space-md); border-bottom: 1px solid rgba(255,255,255,0.06); }
.projects-ticker { overflow: hidden; margin-top: var(--space-md); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); padding: var(--space-sm) 0; }
.ticker-row { display: inline-block; white-space: nowrap; animation: ticker 40s linear infinite; font-family: var(--font-d); font-size: 14px; font-weight: 600; letter-spacing: 0.12em; color: var(--steel); }
.ticker-row span { margin: 0 var(--space-sm); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* Contact */
.contact-section { position: relative; z-index: 1; padding: var(--space-xl) var(--space-md); background: var(--slate-mid); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.contact-text h2 { font-family: var(--font-d); font-weight: 800; font-size: clamp(36px, 5vw, 60px); text-transform: uppercase; line-height: 1.0; margin: var(--space-sm) 0 var(--space-md); }
.contact-text p { font-size: 15px; font-weight: 300; color: var(--muted); margin-bottom: var(--space-lg); line-height: 1.8; }
.contact-details { display: flex; flex-direction: column; gap: 0; }
.c-item { display: flex; gap: var(--space-md); padding: var(--space-sm) 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.c-key { font-family: var(--font-d); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); min-width: 80px; }
.c-val { font-size: 14px; color: var(--muted); }

.footer { position: relative; z-index: 1; padding: var(--space-sm) var(--space-md); border-top: 1px solid rgba(234,179,8,0.2); display: flex; justify-content: space-between; align-items: center; font-family: var(--font-d); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--steel); }
.footer-brand { color: var(--gold); font-weight: 800; font-size: 13px; }

@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-dashboard { grid-template-columns: repeat(2, 1fr); }
  .dash-tile--lg { grid-column: span 2; }
  .roi-widget { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav { grid-template-columns: 1fr 1fr; } .nav-status { display: none; } .nav-links { display: none; }
  .hero-dashboard { grid-template-columns: 1fr 1fr; }
  .roi-kpi-grid { grid-template-columns: 1fr 1fr; } .roi-kpi--big { grid-column: span 2; }
  .footer { flex-direction: column; gap: 4px; text-align: center; }
}