/* ============================================
   GreenSage — Climate-Tech Premium Redesign
   Color Theme: Bioluminescent Dark
   ============================================ */

:root {
  --bg-base: #061410;
  --bg-surface: #0a1f1a;
  --bg-card: #0f2922;
  --bg-elevated: #163b32;
  /* Legacy aliases (used by JS-generated markup) */
  --bg: #061410;
  --bg-panel: #0a1f1a;
  --bg-input: #0a1f1a;
  /* Accents */
  --accent-primary: #00ff87;
  --accent-secondary: #00b4d8;
  --accent-warm: #ffd60a;
  --accent-danger: #ff6b6b;
  /* Legacy aliases */
  --primary: #00ff87;
  --primary-dim: #00c865;
  --secondary: #00b4d8;
  --accent: #ffd60a;
  --accent-dim: #e6bc00;
  --danger: #ff6b6b;
  --success: #00ff87;
  --warning: #ffd60a;
  /* Text */
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  /* Borders & shadows */
  --border: rgba(0,255,135,0.08);
  --glow: 0 0 20px rgba(0,255,135,0.1);
  --shadow: 0 4px 20px rgba(0,255,135,0.06);
  /* Radius */
  --radius: 16px;
  --radius-sm: 10px;
  /* Safe areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  padding-top: var(--safe-top);
  padding-bottom: calc(70px + var(--safe-bottom));
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--primary-dim); border-radius: 4px; }

/* ============================================
   LANDING PAGE — Video Hero + Bento
   ============================================ */

.landing-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
}

/* ---- Hero: Full-width video loop ---- */
.hero {
  position: relative;
  height: 85vh;
  min-height: 500px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(6,20,16,0.3), rgba(6,20,16,0.85));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  padding: 0 24px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-content p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 32px;
  line-height: 1.6;
}

.hero-cta-row {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-primary {
  background: #00ff87;
  color: #061410;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.cta-primary:hover {
  background: #00e578;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,255,135,0.3);
}

.cta-secondary {
  background: transparent;
  border: 2px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

.cta-secondary:hover {
  border-color: #00ff87;
  color: #00ff87;
}

/* ---- Bento Grid ---- */
.tools-section {
  padding: 60px 16px 40px;
  background: var(--bg-base);
}

.section-title {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 32px;
}

.bento-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 16px;
}

.bento-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16/9;
  display: block;
  text-decoration: none;
  cursor: pointer;
}

.bento-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.bento-card:hover img {
  transform: scale(1.05);
}

.bento-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,20,16,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
}

.bento-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.bento-overlay h3 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.bento-overlay p {
  color: rgba(255,255,255,0.7);
  font-size: 0.85rem;
}

.bento-large {
  grid-column: span 2;
}

@media (max-width: 600px) {
  .bento-grid { grid-template-columns: 1fr; }
  .bento-large { grid-column: span 1; }
}

/* ---- Image Break ---- */
.image-break {
  position: relative;
  height: 300px;
  overflow: hidden;
}

.image-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-break-overlay {
  position: absolute;
  inset: 0;
  background: rgba(6,20,16,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.image-break-overlay blockquote {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-style: italic;
  color: rgba(255,255,255,0.9);
  text-align: center;
  max-width: 680px;
  border-left: 3px solid var(--accent-primary);
  padding-left: 20px;
  line-height: 1.5;
}

/* ---- Landing stats bar ---- */
.landing-stats-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  padding: 32px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.landing-stat-item {
  text-align: center;
}

.landing-stat-value {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-warm);
  display: block;
}

.landing-stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
  margin-top: 2px;
}

/* ---- Products section with image backdrop ---- */
.products-hero-section {
  position: relative;
  padding: 60px 24px;
  overflow: hidden;
}

.products-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.18;
}

.products-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.products-hero-content h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.products-hero-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

/* ---- Landing email capture ---- */
.landing-email-section {
  background: var(--bg-surface);
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.landing-email-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.landing-email-sub {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.landing-email-row {
  display: flex;
  gap: 8px;
  max-width: 440px;
  margin: 0 auto;
}

.landing-email-row .form-input {
  flex: 1;
  padding: 12px 16px;
  font-size: 0.9rem;
}

.landing-email-row .btn {
  white-space: nowrap;
  width: auto;
}

.landing-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

.landing-badge {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 6px 14px;
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* ---- Modern Footer ---- */
.site-footer {
  background: var(--bg-surface);
  border-top: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
  padding: 40px 24px 24px;
  text-align: center;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), var(--accent-secondary), transparent);
}

.footer-logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.footer-links {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.footer-links a {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-legal {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   APP SHELL
   ============================================ */

.landing-page-old {
  display: none; /* hide original landing if ever referenced */
}

.app-container {
  display: none;
  padding: 12px;
  max-width: 600px;
  margin: 0 auto;
}

.app-container.active {
  display: block;
}

/* ---- Header ---- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 16px;
}

.app-header-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.header-controls {
  display: flex;
  gap: 8px;
}

.header-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
}

/* ---- Tab Content ---- */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ---- Glassmorphic Calculator Cards ---- */
.card {
  background: rgba(15, 41, 34, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0,255,135,0.1);
  border-radius: 24px;
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.card-icon {
  font-size: 1.5rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ---- Form Elements ---- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input,
.form-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus {
  border-color: var(--accent-primary);
}

.form-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394a3b8'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.form-range {
  width: 100%;
  -webkit-appearance: none;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  outline: none;
  margin: 8px 0;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.15s, opacity 0.15s;
  width: 100%;
}

.btn:active { transform: scale(0.97); }

.btn-green {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #000;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent-primary);
  color: var(--accent-primary);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent-warm), #ff9100);
  color: #000;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 0.8rem;
  width: auto;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #000;
  border: none;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
}

.btn-primary:active { transform: scale(0.97); }

.btn-secondary {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover,
.btn-secondary:active {
  background: rgba(0,255,135,0.1);
}

/* ---- EcoScore Results ---- */
.eco-result {
  display: none;
  text-align: center;
  padding: 20px 0;
}

.eco-result.active { display: block; }

.eco-score-circle {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

.eco-score-value {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1;
}

.eco-score-unit {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.eco-score-label {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.eco-score-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-width: 300px;
  margin: 0 auto 20px;
  line-height: 1.4;
}

.eco-grade-excellent {
  background: linear-gradient(135deg, rgba(0,255,135,0.2), rgba(0,180,216,0.2));
  border: 2px solid var(--accent-primary);
}

.eco-grade-good {
  background: linear-gradient(135deg, rgba(0,180,216,0.2), rgba(255,214,10,0.1));
  border: 2px solid var(--accent-secondary);
}

.eco-grade-average {
  background: linear-gradient(135deg, rgba(255,214,10,0.15), rgba(255,145,0,0.1));
  border: 2px solid var(--accent-warm);
}

.eco-grade-poor {
  background: linear-gradient(135deg, rgba(255,145,0,0.15), rgba(255,107,107,0.1));
  border: 2px solid var(--accent-danger);
}

.eco-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.eco-breakdown-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 12px;
  text-align: center;
}

.eco-breakdown-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-primary);
}

.eco-breakdown-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.eco-tips {
  margin-top: 20px;
  text-align: left;
}

.eco-tip {
  display: flex;
  gap: 10px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  align-items: flex-start;
}

.eco-tip-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.eco-tip-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.eco-tip-savings {
  font-size: 0.7rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-top: 4px;
}

/* ---- Solar Calculator ---- */
.solar-result {
  display: none;
}

.solar-result.active { display: block; }

.solar-hero {
  text-align: center;
  padding: 20px 0;
}

.solar-hero-value {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent-warm);
}

.solar-hero-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.solar-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 16px 0;
}

.solar-stat {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
}

.solar-stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-warm);
}

.solar-stat-label {
  font-size: 0.65rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.solar-chart {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-top: 16px;
}

.solar-chart-title {
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.solar-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 120px;
}

.solar-chart-bar {
  flex: 1;
  background: linear-gradient(to top, var(--accent-dim), var(--accent-warm));
  border-radius: 3px 3px 0 0;
  min-height: 4px;
  position: relative;
}

.solar-chart-bar-label {
  position: absolute;
  bottom: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.55rem;
  color: var(--text-muted);
}

/* ---- EV Calculator ---- */
.ev-result {
  display: none;
}

.ev-result.active { display: block; }

.ev-hero {
  text-align: center;
  padding: 20px 0;
  background: linear-gradient(135deg, rgba(0,255,135,0.08), rgba(0,180,216,0.05));
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.ev-hero-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.ev-hero-value {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.ev-hero-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.ev-matchup {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 20px;
}

.ev-matchup-car {
  text-align: center;
  flex: 1;
}

.ev-matchup-icon {
  font-size: 2rem;
  margin-bottom: 4px;
}

.ev-matchup-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.3;
}

.ev-matchup-vs {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-muted);
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.ev-compare-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.ev-compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 16px;
}

.ev-compare-header {
  background: var(--bg-card);
  padding: 10px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
}

.ev-gas-col { color: var(--warning); }
.ev-ev-col { color: var(--accent-primary); }

.ev-compare-label {
  background: var(--bg-surface);
  padding: 10px 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.ev-compare-val {
  background: var(--bg-surface);
  padding: 10px 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
}

.ev-compare-total {
  font-weight: 700;
  background: var(--bg-card);
}

.ev-purchase-info {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-bottom: 16px;
}

.ev-purchase-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.ev-purchase-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}

.ev-purchase-row:last-child { border-bottom: none; }

.ev-purchase-total {
  font-weight: 700;
  color: var(--text-primary);
}

.ev-credit {
  color: var(--accent-primary);
  font-weight: 600;
}

.ev-env-section {
  margin-bottom: 16px;
}

.ev-env-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ---- Challenges ---- */
.challenge-streak {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(0,255,135,0.08), rgba(255,214,10,0.05));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.streak-fire {
  font-size: 2rem;
}

.streak-count {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-warm);
}

.streak-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.challenge-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}

.challenge-card.completed {
  border-color: var(--accent-primary);
  opacity: 0.7;
}

.challenge-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.challenge-category {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0,255,135,0.12);
  color: var(--accent-primary);
}

.challenge-category.energy { background: rgba(255,214,10,0.12); color: var(--accent-warm); }
.challenge-category.water { background: rgba(0,180,216,0.12); color: var(--accent-secondary); }
.challenge-category.waste { background: rgba(255,145,0,0.12); color: #ff9100; }
.challenge-category.food { background: rgba(0,255,135,0.12); color: var(--success); }
.challenge-category.transport { background: rgba(130,177,255,0.12); color: #82b1ff; }

.challenge-points {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-warm);
}

.challenge-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.challenge-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 10px;
}

.challenge-impact {
  font-size: 0.7rem;
  color: var(--accent-primary);
  font-weight: 600;
}

.challenge-btn {
  margin-top: 10px;
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  color: var(--accent-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}

.challenge-btn.done {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
}

.challenge-progress {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}

.progress-bar-wrap {
  background: var(--bg-input);
  border-radius: 6px;
  height: 10px;
  overflow: hidden;
  margin: 8px 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: 6px;
  transition: width 0.5s ease;
}

.progress-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ---- Green Shop ---- */
.shop-categories {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 16px;
  -webkit-overflow-scrolling: touch;
}

.shop-cat-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s;
}

.shop-cat-btn.active {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
}

.shop-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.shop-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.shop-item:active {
  border-color: var(--accent-primary);
}

.shop-item-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 8px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
}

.shop-item-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #fff;
  border-radius: 12px;
}

.shop-item-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
  line-height: 1.3;
}

.shop-item-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.3;
  margin-bottom: 8px;
}

.shop-item-impact {
  font-size: 0.65rem;
  color: var(--accent-primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.shop-item-btn {
  display: block;
  text-align: center;
  padding: 8px;
  background: var(--bg-card);
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
}

/* ---- Learn / News ---- */
.learn-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  cursor: pointer;
}

.learn-card-top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.learn-card-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.learn-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.learn-card-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.learn-card-meta {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.learn-content {
  display: none;
  padding: 16px 0;
}

.learn-content.active { display: block; }

.learn-content h3 {
  font-size: 1rem;
  color: var(--accent-primary);
  margin: 20px 0 8px;
}

.learn-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.learn-content ul {
  padding-left: 20px;
  margin-bottom: 12px;
}

.learn-content li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 4px;
}

.learn-back-btn {
  background: none;
  border: none;
  color: var(--accent-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 12px;
}

/* ---- Info Panel ---- */
.info-section {
  margin-bottom: 24px;
}

.info-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.info-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 12px 0 6px;
}

.info-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 8px;
}

/* ---- Smart CTAs ---- */
.smart-cta {
  margin-top: 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
}

.smart-cta-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.smart-cta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color 0.2s;
}

.smart-cta-item:active {
  border-color: var(--accent-primary);
}

.smart-cta-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.smart-cta-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-primary);
}

.smart-cta-desc {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 2px;
  line-height: 1.3;
}

.smart-cta-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ---- Incentives ---- */
.incentive-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 16px 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.incentive-total-banner {
  background: linear-gradient(135deg, rgba(0,255,135,0.1), rgba(255,214,10,0.07));
  border: 1px solid var(--accent-primary);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  margin: 12px 0;
}

.incentive-total-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.incentive-total-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-primary);
  margin: 4px 0;
}

.incentive-total-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.incentive-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 10px;
}

.incentive-card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 6px;
}

.incentive-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.incentive-card-amount {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(0,255,135,0.1);
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
  margin-left: 8px;
}

.incentive-card-cat {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.incentive-card-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.incentive-card-link {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-decoration: none;
}

.incentive-card-link:hover {
  text-decoration: underline;
}

.incentive-status-badge {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 10px;
  display: inline-block;
  margin-bottom: 6px;
}

.incentive-status-active {
  background: rgba(0,255,135,0.12);
  color: var(--accent-primary);
  border: 1px solid rgba(0,255,135,0.3);
}

.incentive-status-limited {
  background: rgba(255,214,10,0.1);
  color: var(--accent-warm);
  border: 1px solid rgba(255,214,10,0.3);
}

.incentive-status-expired {
  background: rgba(255,107,107,0.1);
  color: var(--accent-danger);
  border: 1px solid rgba(255,107,107,0.3);
}

.incentive-card.status-expired {
  opacity: 0.6;
}

.obbba-notice {
  background: linear-gradient(135deg, rgba(255,107,107,0.07), rgba(255,214,10,0.05));
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: var(--radius);
  padding: 14px;
  margin: 12px 0;
}

.obbba-notice-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-danger);
  margin-bottom: 4px;
}

.obbba-notice-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ---- Bottom Navigation ---- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10,31,26,0.92);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 8px 4px calc(8px + var(--safe-bottom));
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.bottom-nav::-webkit-scrollbar { display: none; }

.nav-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 6px;
  cursor: pointer;
  transition: color 0.2s;
  font-size: 1.2rem;
}

.nav-btn.active {
  color: var(--accent-primary);
}

.nav-btn-label {
  font-size: 0.6rem;
  font-weight: 600;
}

/* ---- Modals ---- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 400px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.modal-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 16px;
}

.modal-close {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px;
  border-radius: var(--radius-sm);
  width: 100%;
  font-size: 0.9rem;
  cursor: pointer;
  margin-top: 8px;
}

/* ---- Comparison Table ---- */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.8rem;
}

.comparison-table th {
  background: var(--bg-card);
  padding: 10px;
  text-align: left;
  color: var(--accent-primary);
  font-weight: 600;
}

.comparison-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.comparison-table .check { color: var(--accent-primary); }
.comparison-table .cross { color: var(--text-muted); }

/* ---- Share Action Sheet ---- */
.share-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-radius: 16px 16px 0 0;
  padding: 20px 20px calc(20px + var(--safe-bottom));
  z-index: 300;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.share-sheet.active {
  transform: translateY(0);
}

.share-sheet-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--text-secondary);
}

.share-sheet-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 8px;
}

.share-sheet-btn-icon {
  font-size: 1.2rem;
}

.share-sheet-cancel {
  display: block;
  width: 100%;
  padding: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  margin-top: 8px;
  text-align: center;
}

/* ---- iOS Install Modal ---- */
.ios-install-modal .ios-step {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  align-items: center;
}

.ios-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.ios-step-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ---- Email Capture ---- */
.email-capture-note {
  font-size: 0.65rem;
  color: var(--text-muted);
  margin-top: 8px;
  text-align: center;
}

/* ---- Lead Gen CTA ---- */
.lead-gen-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, rgba(255,214,10,0.07), rgba(255,145,0,0.05));
  border: 1px solid rgba(255,214,10,0.25);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 20px;
}

.lead-gen-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.lead-gen-text {
  flex: 1;
}

.lead-gen-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-warm);
  line-height: 1.3;
}

.lead-gen-sub {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.lead-gen-cta .btn {
  flex-shrink: 0;
}

/* ---- Solar Quote Modal ---- */
.solar-quote-benefits {
  margin: 12px 0;
}

.solar-quote-item {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.solar-quote-item:last-child {
  border-bottom: none;
}

/* ---- Sticky Email Banner ---- */
.sticky-email-banner {
  position: fixed;
  bottom: 70px;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--bg-surface), #0d2a22);
  border-top: 1px solid var(--accent-primary);
  padding: 12px 16px;
  z-index: 90;
  display: none;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-email-banner.active {
  display: block;
  transform: translateY(0);
}

.sticky-email-inner {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sticky-email-text {
  font-size: 0.75rem;
  color: var(--text-secondary);
  flex: 1;
}

.sticky-email-text strong {
  color: var(--accent-primary);
}

.sticky-email-inner .btn {
  width: auto;
  white-space: nowrap;
}

.sticky-email-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-in {
  animation: fadeIn 0.3s ease forwards;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,135,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(0,255,135,0); }
}

.pulse-green {
  animation: pulse-green 2s infinite;
}

/* ---- Responsive ---- */
@media (max-width: 400px) {
  .shop-grid { grid-template-columns: 1fr; }
  .eco-breakdown { grid-template-columns: 1fr; }
  .solar-stats { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (min-width: 600px) {
  .app-container { padding: 16px 24px; }
  .shop-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 900px) {
  .app-container { max-width: 700px; }
}