/* ============================================================
   Solar VMS — Public Website CSS
   Premium Dark + Gold Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --primary:       #f59e0b;
  --primary-dark:  #d97706;
  --primary-light: #fde68a;
  --secondary:     #0ea5e9;
  --dark:          #0a0f1e;
  --dark-2:        #111827;
  --dark-3:        #1f2937;
  --dark-4:        #374151;
  --text-light:    #f9fafb;
  --text-muted:    #9ca3af;
  --text-body:     #e5e7eb;
  --success:       #10b981;
  --danger:        #ef4444;
  --gradient-hero: linear-gradient(135deg, #0a0f1e 0%, #1a2744 50%, #0f1f3a 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b, #d97706);
  --gradient-blue: linear-gradient(135deg, #0ea5e9, #0369a1);
  --glass:         rgba(255,255,255,0.05);
  --glass-border:  rgba(255,255,255,0.1);
  --shadow-gold:   0 0 40px rgba(245,158,11,0.25);
  --shadow-card:   0 8px 32px rgba(0,0,0,0.4);
  --border-radius: 16px;
  --transition:    all 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--dark);
  color: var(--text-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-2); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5,h6 { font-family: 'Outfit', sans-serif; font-weight: 700; color: var(--text-light); line-height: 1.25; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.8rem); }
h3 { font-size: 1.4rem; }
p  { color: var(--text-body); }
a  { text-decoration: none; transition: var(--transition); }

/* ---- BUTTONS ---- */
.btn-solar {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gradient-gold);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  padding: 14px 32px; border-radius: 50px; border: none;
  cursor: pointer; transition: var(--transition);
  box-shadow: 0 4px 20px rgba(245,158,11,0.4);
  letter-spacing: 0.3px;
}
.btn-solar:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(245,158,11,0.6); color: #fff; }
.btn-solar-outline {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 2px solid var(--primary);
  color: var(--primary); font-weight: 600; padding: 12px 28px;
  border-radius: 50px; cursor: pointer; transition: var(--transition);
}
.btn-solar-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-secondary-solar {
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text-light); padding: 12px 28px; border-radius: 50px;
  font-weight: 600; transition: var(--transition);
}
.btn-secondary-solar:hover { background: var(--dark-3); color: #fff; }

/* ---- NAVBAR ---- */
.solar-navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,15,30,0.9); backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}
.solar-navbar.scrolled { background: rgba(10,15,30,0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
.navbar-brand img { height: 44px; }
.navbar-brand span { font-size: 1.3rem; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
.navbar-brand small { display: block; font-size: 0.65rem; color: var(--text-muted); font-weight: 400; letter-spacing: 1px; text-transform: uppercase; margin-top: -4px; }
.solar-navbar .nav-link {
  color: var(--text-body) !important; font-weight: 500; font-size: 0.92rem;
  padding: 8px 16px !important; border-radius: 8px; transition: var(--transition);
  position: relative;
}
.solar-navbar .nav-link::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 0; height: 2px; background: var(--primary); transition: var(--transition); border-radius: 1px;
}
.solar-navbar .nav-link:hover { color: var(--primary) !important; }
.solar-navbar .nav-link:hover::after { width: 60%; }
.solar-navbar .nav-link.active { color: var(--primary) !important; }

/* ---- SECTION STYLES ---- */
section { padding: 100px 0; }
.section-tag {
  display: inline-block; background: rgba(245,158,11,0.15); color: var(--primary);
  border: 1px solid rgba(245,158,11,0.3); padding: 6px 18px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin-bottom: 48px; }

/* ---- GLASS CARD ---- */
.glass-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--border-radius); backdrop-filter: blur(10px);
  transition: var(--transition);
}
.glass-card:hover { border-color: rgba(245,158,11,0.3); transform: translateY(-4px); box-shadow: var(--shadow-card); }

/* ---- HERO ---- */
.hero-section {
  min-height: 100vh; display: flex; align-items: center;
  background: var(--gradient-hero);
  position: relative; overflow: hidden; padding-top: 90px;
}
.hero-section::before {
  content: ''; position: absolute; top: -50%; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(245,158,11,0.15) 0%, transparent 70%);
  animation: pulse-glow 4s ease-in-out infinite;
}
.hero-section::after {
  content: ''; position: absolute; bottom: -20%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(14,165,233,0.1) 0%, transparent 70%);
  animation: pulse-glow 6s ease-in-out infinite reverse;
}
@keyframes pulse-glow { 0%,100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.4);
  color: var(--primary); padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 24px;
  animation: fadeInDown 0.6s ease;
}
.hero-title { animation: fadeInUp 0.7s ease 0.1s both; margin-bottom: 20px; }
.hero-title span { background: var(--gradient-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 36px; animation: fadeInUp 0.7s ease 0.2s both; max-width: 550px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; animation: fadeInUp 0.7s ease 0.3s both; }
.hero-stats { display: flex; gap: 40px; margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--glass-border); animation: fadeInUp 0.7s ease 0.4s both; flex-wrap: wrap; }
.hero-stat-num { font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.hero-stat-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

.hero-visual { position: relative; z-index: 1; }
.hero-solar-card {
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: 24px; padding: 32px; backdrop-filter: blur(20px);
  animation: float 6s ease-in-out infinite;
}
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.solar-icon-wrap {
  width: 80px; height: 80px; border-radius: 20px;
  background: var(--gradient-gold); display: flex; align-items: center; justify-content: center;
  font-size: 2rem; margin-bottom: 20px; box-shadow: var(--shadow-gold);
}
.saving-badge {
  position: absolute; top: -16px; right: -16px;
  background: var(--success); color: #fff; padding: 8px 16px;
  border-radius: 50px; font-weight: 700; font-size: 0.85rem;
  box-shadow: 0 4px 20px rgba(16,185,129,0.4);
  animation: bounce-in 0.8s ease 0.5s both;
}
@keyframes bounce-in { 0% { transform: scale(0); } 80% { transform: scale(1.1); } 100% { transform: scale(1); } }
.subsidy-badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--gradient-blue); color: #fff; padding: 10px 20px;
  border-radius: 12px; font-weight: 700; font-size: 0.8rem;
  box-shadow: 0 4px 20px rgba(14,165,233,0.4);
}
.energy-meter { margin-top: 20px; }
.meter-bar { height: 8px; background: var(--dark-4); border-radius: 4px; overflow: hidden; }
.meter-fill { height: 100%; background: var(--gradient-gold); border-radius: 4px; animation: fill-bar 2s ease 1s both; }
@keyframes fill-bar { from { width: 0; } }

/* ---- USP / FEATURES ---- */
.feature-card {
  background: var(--dark-2); border: 1px solid var(--dark-4);
  border-radius: var(--border-radius); padding: 32px; transition: var(--transition);
  height: 100%;
}
.feature-card:hover { border-color: var(--primary); transform: translateY(-6px); box-shadow: var(--shadow-gold); }
.feature-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: rgba(245,158,11,0.15); display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem; margin-bottom: 20px; transition: var(--transition);
}
.feature-card:hover .feature-icon { background: var(--gradient-gold); }

/* ---- PRODUCTS / SERVICES ---- */
.product-card {
  background: var(--dark-2); border: 1px solid var(--dark-4);
  border-radius: var(--border-radius); overflow: hidden; transition: var(--transition); height: 100%;
}
.product-card:hover { border-color: var(--primary); transform: translateY(-8px); box-shadow: var(--shadow-card); }
.product-img-wrap { position: relative; height: 220px; background: var(--dark-3); overflow: hidden; }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.product-card:hover .product-img-wrap img { transform: scale(1.05); }
.product-badge { position: absolute; top: 16px; left: 16px; background: var(--gradient-gold); color: #fff; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; }
.product-body { padding: 24px; }
.product-price { font-size: 1.3rem; font-weight: 800; color: var(--primary); }
.product-price small { font-size: 0.75rem; color: var(--text-muted); font-weight: 400; }

/* ---- CALCULATOR ---- */
.calculator-wrap {
  background: var(--dark-2); border: 1px solid var(--dark-4);
  border-radius: 24px; padding: 48px; position: relative; overflow: hidden;
}
.calculator-wrap::before {
  content: ''; position: absolute; top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.form-solar {
  background: var(--dark-3); border: 1px solid var(--dark-4);
  border-radius: 12px; padding: 14px 20px; color: var(--text-light);
  font-family: 'Outfit', sans-serif; font-size: 0.95rem;
  width: 100%; transition: var(--transition); outline: none;
}
.form-solar:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.form-solar::placeholder { color: var(--text-muted); }
.form-label-solar { font-weight: 600; color: var(--text-light); margin-bottom: 8px; display: block; font-size: 0.9rem; }
.range-solar { -webkit-appearance: none; width: 100%; height: 6px; border-radius: 3px; background: var(--dark-4); outline: none; }
.range-solar::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--primary); cursor: pointer; box-shadow: 0 0 10px rgba(245,158,11,0.5); }
.calc-result {
  background: var(--dark-3); border: 1px solid rgba(245,158,11,0.3);
  border-radius: 20px; padding: 32px; display: none;
}
.calc-result.show { display: block; animation: fadeInUp 0.4s ease; }
.result-item { text-align: center; padding: 20px; background: var(--dark-4); border-radius: 12px; }
.result-value { font-size: 1.6rem; font-weight: 800; color: var(--primary); }
.result-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* ---- TESTIMONIALS ---- */
.testimonial-card {
  background: var(--dark-2); border: 1px solid var(--dark-4);
  border-radius: var(--border-radius); padding: 32px; transition: var(--transition); height: 100%;
}
.testimonial-card:hover { border-color: rgba(245,158,11,0.3); }
.testimonial-avatar { width: 52px; height: 52px; border-radius: 50%; background: var(--gradient-gold); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; font-weight: 800; color: #fff; }
.stars { color: var(--primary); font-size: 0.9rem; letter-spacing: 2px; }
.quote-icon { font-size: 3rem; color: rgba(245,158,11,0.15); line-height: 1; font-family: Georgia, serif; }

/* ---- LEAD FORM ---- */
.lead-section { background: linear-gradient(135deg, #0f1f3a 0%, #1a2744 100%); }
.lead-card { background: var(--dark-2); border: 1px solid var(--dark-4); border-radius: 24px; padding: 48px; }

/* ---- BLOG ---- */
.blog-card { background: var(--dark-2); border: 1px solid var(--dark-4); border-radius: var(--border-radius); overflow: hidden; transition: var(--transition); height: 100%; }
.blog-card:hover { border-color: var(--primary); transform: translateY(-6px); }
.blog-img { height: 200px; object-fit: cover; width: 100%; transition: var(--transition); }
.blog-card:hover .blog-img { transform: scale(1.03); }
.blog-category { background: rgba(245,158,11,0.15); color: var(--primary); padding: 3px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.blog-date { color: var(--text-muted); font-size: 0.82rem; }

/* ---- GALLERY ---- */
.gallery-item { position: relative; overflow: hidden; border-radius: 12px; cursor: pointer; aspect-ratio: 4/3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-overlay { position: absolute; inset: 0; background: rgba(10,15,30,0.7); display: flex; flex-direction: column; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); border-radius: 12px; }
.gallery-item:hover .gallery-overlay { opacity: 1; }

/* ---- FOOTER ---- */
.solar-footer { background: var(--dark-2); border-top: 1px solid var(--dark-4); padding: 80px 0 40px; }
.footer-logo span { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.footer-link { color: var(--text-muted); font-size: 0.9rem; display: block; padding: 4px 0; transition: var(--transition); }
.footer-link:hover { color: var(--primary); padding-left: 6px; }
.footer-title { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); font-weight: 700; margin-bottom: 20px; }
.social-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--dark-3); border: 1px solid var(--dark-4);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 1rem; transition: var(--transition);
}
.social-icon:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-3px); }
.footer-bottom { border-top: 1px solid var(--dark-4); padding-top: 32px; margin-top: 60px; }

/* ---- FLOATING WHATSAPP ---- */
.whatsapp-float {
  position: fixed; bottom: 30px; right: 30px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.5rem; box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: var(--transition); animation: pulse-wa 2s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); color: #fff; animation: none; }
@keyframes pulse-wa { 0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); } 50% { box-shadow: 0 4px 40px rgba(37,211,102,0.9); } }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: 140px 0 80px; background: var(--gradient-hero);
  position: relative; overflow: hidden; text-align: center;
}
.page-hero::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23f59e0b' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"); }
.breadcrumb-solar { background: none; padding: 0; margin-top: 16px; justify-content: center; }
.breadcrumb-solar .breadcrumb-item a { color: var(--primary); }
.breadcrumb-solar .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); }

/* ---- ANIMATIONS ---- */
@keyframes fadeInUp   { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
.animate-up   { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.animate-up.visible { opacity: 1; transform: translateY(0); }

/* ---- TABS ---- */
.solar-tabs .nav-link { color: var(--text-muted); border: 1px solid transparent; border-radius: 8px; font-weight: 500; padding: 8px 20px; }
.solar-tabs .nav-link.active { background: var(--gradient-gold); color: #fff; border-color: transparent; }
.solar-tabs .nav-link:hover:not(.active) { color: var(--primary); border-color: rgba(245,158,11,0.3); }

/* ---- ALERT / TOAST ---- */
.alert-solar { border-radius: 12px; border: none; padding: 16px 20px; font-weight: 500; }
.alert-solar-success { background: rgba(16,185,129,0.15); color: #34d399; border-left: 4px solid var(--success); }
.alert-solar-danger  { background: rgba(239,68,68,0.15); color: #f87171; border-left: 4px solid var(--danger); }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  section { padding: 70px 0; }
  .hero-stats { gap: 24px; }
  .hero-stat-num { font-size: 1.5rem; }
  .calculator-wrap { padding: 28px; }
  .lead-card { padding: 28px; }
}

/* ---- LOADING SPINNER ---- */
.spinner-solar { width: 40px; height: 40px; border: 3px solid var(--dark-4); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin: 0 auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- UTILITY ---- */
.text-primary-solar { color: var(--primary) !important; }
.text-muted-solar   { color: var(--text-muted) !important; }
.bg-dark-2 { background: var(--dark-2) !important; }
.border-subtle { border-color: var(--dark-4) !important; }
.rounded-solar { border-radius: var(--border-radius) !important; }