/* ==========================================================================
   LuimiQ Green Energy — Shared Stylesheet
   Brand: Navy #1E3A8A + Solar Gold #F59E0B
   ========================================================================== */

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

:root {
  --navy: #1E3A8A;
  --navy-dark: #0F1E4A;
  --navy-deep: #0B1538;
  --navy-light: #3B5EBC;
  --gold: #F59E0B;
  --gold-dark: #D97706;
  --gold-light: #FBBF24;
  --orange: #F97316;
  --orange-dark: #EA580C;
  --sky: #0EA5E9;
  --green: #10B981;
  --cream: #FFFBEB;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  --shadow-sm: 0 1px 2px rgba(15, 30, 74, 0.06);
  --shadow-md: 0 4px 12px rgba(15, 30, 74, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 30, 74, 0.10);
  --shadow-xl: 0 24px 64px rgba(15, 30, 74, 0.14);
  --shadow-gold: 0 12px 32px rgba(245, 158, 11, 0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 999px;

  --container: 1200px;
  --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--gray-900);
  line-height: 1.6;
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================================
   NAVIGATION
   ========================================================================= */
.nav-wrap {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 1000;
  border-bottom: 1px solid rgba(15, 30, 74, 0.06);
  transition: all 0.3s var(--transition);
}
.nav-wrap.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

/* Logo */
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800;
}
.brand-mark {
  position: relative;
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.3);
}
.brand-mark::before {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: 8px;
  background: linear-gradient(135deg, transparent 50%, rgba(245, 158, 11, 0.15) 100%);
}
.brand-mark svg { position: relative; z-index: 2; }
.brand-text {
  display: flex; flex-direction: column; line-height: 1;
}
.brand-name {
  font-size: 22px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: 1px;
}
.brand-name .accent { color: var(--gold); }
.brand-tag {
  font-size: 9px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: 2.5px;
  margin-top: 3px;
  text-transform: uppercase;
}

/* Nav menu */
.nav-menu {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  transition: color 0.2s;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 2px;
  background: var(--gold);
  transition: width 0.3s var(--transition);
}
.nav-menu a:hover { color: var(--navy); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-menu a.active { color: var(--navy); font-weight: 600; }

.nav-cta {
  display: flex; align-items: center; gap: 12px;
}
.mobile-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--gray-100);
  align-items: center; justify-content: center;
}
.mobile-toggle span {
  width: 22px; height: 2px;
  background: var(--navy);
  position: relative;
  transition: all 0.3s;
}
.mobile-toggle span::before, .mobile-toggle span::after {
  content: ''; position: absolute; left: 0;
  width: 22px; height: 2px; background: var(--navy);
  transition: all 0.3s;
}
.mobile-toggle span::before { top: -7px; }
.mobile-toggle span::after { top: 7px; }

/* =========================================================================
   BUTTONS
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s var(--transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--orange) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(245, 158, 11, 0.45);
}
.btn-secondary {
  background: var(--white);
  color: var(--navy);
  border: 2px solid var(--gray-200);
}
.btn-secondary:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: white;
}
.btn-navy {
  background: var(--navy);
  color: white;
}
.btn-navy:hover {
  background: var(--navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(30, 58, 138, 0.3);
}
.btn-ghost {
  background: transparent;
  color: var(--navy);
  font-weight: 600;
}
.btn-ghost:hover { color: var(--gold-dark); }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-xl { padding: 20px 40px; font-size: 17px; border-radius: 12px; }
.btn-whatsapp {
  background: #25D366;
  color: white;
}
.btn-whatsapp:hover {
  background: #1DA851;
  transform: translateY(-2px);
}

/* =========================================================================
   SECTION FOUNDATIONS
   ========================================================================= */
section { padding: 100px 0; position: relative; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, 0.10);
  color: var(--gold-dark);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  color: var(--navy);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.section-title .accent { color: var(--gold); }
.section-lead {
  font-size: 19px;
  color: var(--gray-600);
  max-width: 700px;
  line-height: 1.7;
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-head .section-lead { margin: 0 auto; }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative;
  padding: 140px 0 80px;
  background: linear-gradient(135deg, #0B1538 0%, #1E3A8A 60%, #1E40AF 100%);
  color: white;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 80% 0%, rgba(245, 158, 11, 0.25) 0%, transparent 50%),
    radial-gradient(circle at 0% 100%, rgba(14, 165, 233, 0.15) 0%, transparent 50%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--gold-light);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.5px;
}
.hero-eyebrow .pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.6); }
  70% { box-shadow: 0 0 0 12px rgba(245, 158, 11, 0); }
  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
}
.hero h1 {
  font-size: clamp(40px, 5.5vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2.5px;
  margin-bottom: 24px;
}
.hero h1 .gold { color: var(--gold); }
.hero h1 .underline {
  position: relative; display: inline-block;
}
.hero h1 .underline::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0; height: 8px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 4px;
}
.hero-lead {
  font-size: 19px;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 36px;
  line-height: 1.7;
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 44px;
}
.hero-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.trust-stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -1px;
}
.trust-stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 8px;
}

/* Hero visual */
.hero-visual {
  position: relative;
  height: 540px;
}
.hero-img-main {
  position: absolute;
  top: 0; right: 0;
  width: 92%; height: 92%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}
.hero-img-main img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 50%, rgba(11, 21, 56, 0.4) 100%);
}

.hero-card-savings {
  position: absolute;
  bottom: 40px; left: 0;
  background: white;
  color: var(--gray-900);
  padding: 22px 26px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 280px;
  z-index: 3;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-card-savings .label {
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.hero-card-savings .value {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
}
.hero-card-savings .value .gold-text { color: var(--gold-dark); }
.hero-card-savings .sub {
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 4px;
}

.hero-card-badge {
  position: absolute;
  top: 30px; right: -10px;
  background: white;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
  animation: float 6s ease-in-out infinite reverse;
}
.hero-card-badge .icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 20px;
}
.hero-card-badge .text-block .t1 {
  font-size: 11px; font-weight: 700;
  color: var(--gray-500); letter-spacing: 1px;
  text-transform: uppercase;
}
.hero-card-badge .text-block .t2 {
  font-size: 14px; font-weight: 700; color: var(--navy);
}

/* =========================================================================
   PARTNER STRIP
   ========================================================================= */
.partners {
  background: var(--white);
  padding: 50px 0;
  border-bottom: 1px solid var(--gray-100);
}
.partners-label {
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--gray-500);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.partners-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 40px;
  opacity: 0.7;
}
.partner-item {
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-700);
  letter-spacing: -0.5px;
  display: flex; align-items: center; gap: 10px;
}
.partner-item .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

/* =========================================================================
   FEATURE CARDS
   ========================================================================= */
.features { background: var(--gray-50); }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: white;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  transition: all 0.3s var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 60px;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  border-radius: 0 0 100% 0;
  opacity: 0.05;
  transition: all 0.4s;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-light);
}
.feature-card:hover::before {
  width: 200px; height: 200px;
  opacity: 0.08;
}
.feature-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-light);
  margin-bottom: 22px;
  position: relative;
  z-index: 2;
}
.feature-card h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 2;
}
.feature-card p {
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
  position: relative;
  z-index: 2;
}

/* =========================================================================
   PROCESS STEPS
   ========================================================================= */
.process { background: white; }
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 36px; left: 12.5%; right: 12.5%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--gray-300) 0, var(--gray-300) 8px, transparent 8px, transparent 16px);
  z-index: 0;
}
.process-card {
  background: white;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  z-index: 2;
  transition: all 0.3s;
}
.process-num {
  width: 72px; height: 72px;
  background: white;
  border: 3px solid var(--navy);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  margin: 0 auto 20px;
  position: relative;
  transition: all 0.3s;
}
.process-card:hover .process-num {
  background: var(--navy);
  color: var(--gold);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}
.process-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.process-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* =========================================================================
   STATS BANNER
   ========================================================================= */
.stats-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: white;
  position: relative;
  overflow: hidden;
}
.stats-banner::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}
.stat-item {
  text-align: center;
  padding: 0 20px;
}
.stat-num {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -2px;
  margin-bottom: 12px;
}
.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

/* =========================================================================
   SYSTEM CARDS (Pricing tiers)
   ========================================================================= */
.systems { background: var(--cream); }
.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.system-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 2px solid var(--gray-100);
  transition: all 0.3s var(--transition);
  position: relative;
}
.system-card.featured {
  border-color: var(--gold);
  transform: scale(1.04);
  box-shadow: var(--shadow-xl);
}
.system-card.featured::before {
  content: 'MOST POPULAR';
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), var(--orange));
  color: white;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  box-shadow: var(--shadow-md);
}
.system-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold-light);
}
.system-card.featured:hover { transform: scale(1.04) translateY(-6px); }
.system-tier {
  font-size: 13px;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.system-size {
  font-size: 36px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 6px;
}
.system-for {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px dashed var(--gray-200);
}
.system-price-row {
  margin-bottom: 24px;
}
.system-price-cut {
  font-size: 16px;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-bottom: 4px;
}
.system-price-final {
  font-size: 32px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
}
.system-price-after {
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
  margin-top: 4px;
}
.system-features {
  list-style: none;
  margin-bottom: 28px;
}
.system-features li {
  font-size: 14px;
  color: var(--gray-700);
  padding: 8px 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.system-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 800;
  flex-shrink: 0;
  width: 18px; height: 18px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  margin-top: 2px;
}

/* =========================================================================
   IMAGE-FEATURE SPLIT
   ========================================================================= */
.split { background: white; }
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.split-grid.reverse { direction: rtl; }
.split-grid.reverse > * { direction: ltr; }
.split-img {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}
.split-img img { width: 100%; height: 540px; object-fit: cover; }
.split-content h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.15;
}
.split-content > p {
  font-size: 17px;
  color: var(--gray-600);
  margin-bottom: 28px;
  line-height: 1.7;
}
.split-list {
  list-style: none;
  margin-bottom: 32px;
}
.split-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
}
.split-list li:last-child { border: none; }
.split-list li .ico {
  width: 36px; height: 36px;
  background: rgba(245, 158, 11, 0.12);
  border-radius: 8px;
  color: var(--gold-dark);
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.split-list li .copy strong {
  display: block;
  font-size: 16px;
  color: var(--navy);
  margin-bottom: 4px;
  font-weight: 700;
}
.split-list li .copy span {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
}

/* =========================================================================
   TESTIMONIALS
   ========================================================================= */
.testimonials { background: var(--gray-50); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.testi-card {
  background: white;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-100);
  position: relative;
  transition: all 0.3s;
}
.testi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.testi-stars {
  color: var(--gold);
  font-size: 18px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.testi-quote {
  font-size: 16px;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testi-author {
  display: flex; align-items: center; gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-100);
}
.testi-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 18px;
}
.testi-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}
.testi-meta {
  font-size: 13px;
  color: var(--gray-500);
}

/* =========================================================================
   FAQ
   ========================================================================= */
.faq { background: white; }
.faq-grid {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: var(--gray-50);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  border: 1px solid var(--gray-100);
  overflow: hidden;
  transition: all 0.3s;
}
.faq-item.open {
  background: white;
  border-color: var(--gold-light);
  box-shadow: var(--shadow-md);
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 26px;
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q .icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gray-200);
  color: var(--navy);
  flex-shrink: 0;
  font-size: 14px;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s;
}
.faq-item.open .faq-q .icon {
  background: var(--gold);
  color: white;
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--transition);
}
.faq-a-inner {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--gray-600);
  line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 500px; }

/* =========================================================================
   CTA BANNER
   ========================================================================= */
.cta-banner {
  position: relative;
  padding: 100px 0;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: white;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%; right: -200px;
  transform: translateY(-50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
  border-radius: 50%;
}
.cta-banner-inner {
  text-align: center;
  position: relative;
  z-index: 2;
  max-width: 760px;
  margin: 0 auto;
}
.cta-banner h2 {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  line-height: 1.1;
}
.cta-banner h2 .gold { color: var(--gold); }
.cta-banner p {
  font-size: 19px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  line-height: 1.7;
}
.cta-banner-btns {
  display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 80px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 60px;
}
.footer-brand .brand-name { color: white; }
.footer-brand p {
  font-size: 14px;
  margin-top: 20px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}
.footer-social {
  display: flex; gap: 12px;
  margin-top: 24px;
}
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex; align-items: center; justify-content: center;
  color: white;
  transition: all 0.2s;
}
.footer-social a:hover {
  background: var(--gold);
  border-color: var(--gold);
  transform: translateY(-2px);
}
.footer-col h5 {
  font-size: 14px;
  font-weight: 700;
  color: white;
  margin-bottom: 22px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  transition: all 0.2s;
}
.footer-col ul a:hover {
  color: var(--gold);
  padding-left: 4px;
}
.footer-contact-item {
  display: flex; gap: 12px; align-items: flex-start;
  margin-bottom: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
}
.footer-contact-item .ico {
  color: var(--gold);
  flex-shrink: 0;
  margin-top: 2px;
}
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-legal { display: flex; gap: 24px; }
.footer-legal a:hover { color: var(--gold); }

/* =========================================================================
   FLOATING WHATSAPP
   ========================================================================= */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px; height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
  z-index: 999;
  animation: pulse-wa 2.5s infinite;
  transition: all 0.3s;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}
@keyframes pulse-wa {
  0% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.6); }
  70% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 18px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* =========================================================================
   PAGE BANNER (for inner pages)
   ========================================================================= */
.page-banner {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
  color: white;
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
  border-radius: 50%;
}
.page-banner-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}
.page-crumbs {
  display: flex; gap: 8px; align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}
.page-crumbs a:hover { color: var(--gold); }
.page-banner h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 18px;
}
.page-banner h1 .gold { color: var(--gold); }
.page-banner p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  max-width: 640px;
}

/* =========================================================================
   CALCULATOR
   ========================================================================= */
.calc-section { background: var(--gray-50); padding: 80px 0 100px; }
.calc-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.calc-input {
  padding: 56px 48px;
}
.calc-input h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -1px;
  margin-bottom: 12px;
}
.calc-input > p {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 32px;
}
.calc-field {
  margin-bottom: 26px;
}
.calc-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 10px;
}
.calc-input-row {
  position: relative;
}
.calc-input-row input,
.calc-input-row select {
  width: 100%;
  padding: 16px 18px 16px 48px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-family: inherit;
  font-weight: 600;
  color: var(--navy);
  transition: all 0.2s;
  appearance: none;
  background: white;
}
.calc-input-row select {
  padding-left: 18px;
}
.calc-input-row input:focus,
.calc-input-row select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
}
.calc-input-row .prefix {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-400);
  pointer-events: none;
}
.calc-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--gray-200);
  appearance: none;
  outline: none;
  margin: 18px 0 8px;
}
.calc-slider::-webkit-slider-thumb {
  appearance: none;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--gold);
  cursor: pointer;
  border: 4px solid white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.calc-radio-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.calc-radio {
  position: relative;
}
.calc-radio input { position: absolute; opacity: 0; }
.calc-radio label {
  display: block;
  padding: 14px;
  text-align: center;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  cursor: pointer;
  transition: all 0.2s;
  background: white;
}
.calc-radio input:checked + label {
  border-color: var(--gold);
  background: rgba(245, 158, 11, 0.08);
  color: var(--gold-dark);
}

.calc-result {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-light) 100%);
  color: white;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
}
.calc-result::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
  border-radius: 50%;
}
.calc-result-eyebrow {
  font-size: 12px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}
.calc-result h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 36px;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 2;
}
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 2;
}
.calc-row:last-child { border-bottom: none; }
.calc-row-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 500;
}
.calc-row-value {
  font-size: 18px;
  font-weight: 700;
  color: white;
}
.calc-row.highlight {
  background: rgba(245, 158, 11, 0.12);
  margin: 12px -16px;
  padding: 18px 16px;
  border-radius: var(--radius-md);
  border-bottom: none;
}
.calc-row.highlight .calc-row-label {
  color: var(--gold-light);
  font-weight: 600;
}
.calc-row.highlight .calc-row-value {
  color: var(--gold);
  font-size: 28px;
  letter-spacing: -0.5px;
}
.calc-cta {
  margin-top: 32px;
  position: relative;
  z-index: 2;
  width: 100%;
  justify-content: center;
}

/* =========================================================================
   CONTACT GRID
   ========================================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
}
.contact-info {
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
  color: white;
  padding: 50px 40px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute;
  bottom: -100px; right: -100px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2), transparent 70%);
  border-radius: 50%;
}
.contact-info h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}
.contact-info > p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  position: relative;
  z-index: 2;
}
.contact-method {
  display: flex; gap: 14px;
  margin-bottom: 20px;
  align-items: flex-start;
  position: relative;
  z-index: 2;
}
.contact-method-ico {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.18);
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-method-text .label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.contact-method-text .value {
  font-size: 16px;
  color: white;
  font-weight: 600;
}

.contact-form {
  background: white;
  padding: 50px 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-md);
}
.contact-form h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}
.contact-form > p {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 28px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-field {
  margin-bottom: 18px;
}
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--gray-900);
  background: white;
  transition: all 0.2s;
}
.form-field textarea { resize: vertical; min-height: 110px; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.1);
}
.form-submit-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.form-submit-row .note {
  font-size: 12px;
  color: var(--gray-500);
}

/* =========================================================================
   ABOUT PAGE
   ========================================================================= */
.about-mission {
  background: white;
}
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}
.value-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  background: var(--gray-50);
  border: 1px solid var(--gray-100);
  transition: all 0.3s;
}
.value-card:hover {
  background: white;
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.value-icon {
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  background: linear-gradient(135deg, var(--gold), var(--orange));
  border-radius: var(--radius-md);
  color: white;
  display: flex; align-items: center; justify-content: center;
}
.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}
.value-card p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* =========================================================================
   SUBSIDY PAGE
   ========================================================================= */
.subsidy-table {
  background: white;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--gray-100);
}
.subsidy-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding: 22px 28px;
  align-items: center;
  border-bottom: 1px solid var(--gray-100);
}
.subsidy-row:last-child { border-bottom: none; }
.subsidy-row.head {
  background: var(--navy);
  color: white;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.subsidy-row .col-size {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
}
.subsidy-row .col-amount {
  font-size: 22px;
  font-weight: 800;
  color: var(--gold-dark);
}
.subsidy-row.head .col-size,
.subsidy-row.head .col-amount {
  color: white;
  font-size: 13px;
}
.subsidy-row .col-eligibility {
  font-size: 14px;
  color: var(--gray-600);
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 1024px) {
  .hero-grid,
  .split-grid,
  .calc-shell,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .footer-grid { gap: 36px; }
  .system-card.featured { transform: none; }
  .feature-grid,
  .systems-grid,
  .testi-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid::before { display: none; }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
  .hero-visual { height: 400px; }
}

@media (max-width: 768px) {
  section { padding: 70px 0; }
  .nav-menu { display: none; }
  .nav-cta .btn-secondary { display: none; }
  .mobile-toggle { display: flex; }

  .nav-menu.open {
    display: flex;
    position: absolute;
    top: 76px; left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 20px;
    gap: 0;
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--gray-100);
  }
  .nav-menu.open li {
    width: 100%;
    border-bottom: 1px solid var(--gray-100);
  }
  .nav-menu.open a {
    display: block;
    padding: 14px 8px;
    font-size: 16px;
  }

  .hero { padding: 110px 0 60px; }
  .hero-visual { height: 320px; }
  .hero-card-savings { min-width: 220px; padding: 16px 20px; }
  .hero-card-savings .value { font-size: 28px; }
  .hero-card-badge { padding: 10px 14px; }

  .feature-grid,
  .systems-grid,
  .testi-grid,
  .values-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .form-row { grid-template-columns: 1fr; }

  .calc-input,
  .calc-result,
  .contact-info,
  .contact-form { padding: 36px 28px; }

  .partners-grid { gap: 24px; }
  .partner-item { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-trust { grid-template-columns: 1fr; gap: 16px; padding-top: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .cta-banner-btns .btn { width: 100%; justify-content: center; }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s var(--transition);
}
.reveal.in {
  opacity: 1;
  transform: translateY(0);
}