/* =============================================
   EARTHLENS AI — GLOBAL DESIGN SYSTEM
   ============================================= */

/* ---- TOKENS ---- */
:root {
  /* Colors */
  --col-bg:          #0f172a;
  --col-bg-2:        #1e293b;
  --col-surface:     rgba(255,255,255,0.06);
  --col-surface-2:   rgba(255,255,255,0.1);
  --col-border:      rgba(255,255,255,0.12);
  --col-border-2:    rgba(255,255,255,0.22);

  --col-green:       #22c55e;
  --col-green-dim:   rgba(34, 197, 94, 0.15);
  --col-green-glow:  rgba(34, 197, 94, 0.4);
  --col-blue:        #0ea5e9;
  --col-blue-dim:    rgba(14, 165, 233, 0.15);
  --col-teal:        #14b8a6;
  --col-purple:      #a78bfa;
  --col-amber:       #f59e0b;
  --col-red:         #f87171;

  --col-text:        #f0f7f4;
  --col-text-dim:    rgba(240,247,244,0.7);
  --col-text-muted:  rgba(240,247,244,0.4);

  /* Gradients */
  --grad-brand:      linear-gradient(135deg, #22c55e 0%, #0ea5e9 50%, #14b8a6 100%);
  --grad-hero:       radial-gradient(ellipse at top, rgba(34,197,94,0.2) 0%, transparent 60%),
                     radial-gradient(ellipse at bottom right, rgba(14,165,233,0.15) 0%, transparent 50%),
                     var(--col-bg);
  --grad-section:    linear-gradient(180deg, var(--col-bg) 0%, var(--col-bg-2) 50%, var(--col-bg) 100%);

  /* Spacing */
  --sp-xs: 0.5rem;
  --sp-sm: 1rem;
  --sp-md: 1.5rem;
  --sp-lg: 2.5rem;
  --sp-xl: 4rem;
  --sp-2xl: 6rem;

  /* Borders */
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  20px;
  --radius-xl:  28px;
  --radius-full: 9999px;

  /* Typography */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow-green: 0 0 30px rgba(34,197,94,0.25);
  --shadow-glow-blue:  0 0 30px rgba(14,165,233,0.25);

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-med:  0.3s ease;
  --trans-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--col-bg);
  color: var(--col-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  cursor: default;
  -webkit-tap-highlight-color: transparent;
}

a { color: inherit; text-decoration: none; cursor: pointer; }
img, svg { display: block; max-width: 100%; user-select: none; -webkit-user-drag: none; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; user-select: none; }
input, textarea { font-family: inherit; cursor: text; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--col-bg); }
::-webkit-scrollbar-thumb { background: rgba(34,197,94,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(34,197,94,0.5); }

/* =============================================
   PARTICLES BACKGROUND
   ============================================= */
.particles-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  bottom: -20px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(34,197,94,0.8), transparent);
  animation: particleDrift var(--duration, 15s) linear var(--delay, 0s) infinite;
  --drift: 0px;
}

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 var(--sp-lg);
  height: 68px;
  display: flex;
  align-items: center;
  transition: background var(--trans-med), backdrop-filter var(--trans-med);
}
.navbar.scrolled {
  background: rgba(6,13,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--col-border);
}
.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.nav-brand { flex: 0 0 auto; }
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.animated-logo {
  flex-shrink: 0;
}
.map-layer {
  animation: spinGlobe 12s linear infinite;
}
@keyframes spinGlobe {
  0% { transform: translateX(0); }
  100% { transform: translateX(-100px); }
}
.brand-ai {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  gap: var(--sp-md);
  flex: 1;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--col-text-dim);
  transition: color var(--trans-fast);
  padding: var(--sp-xs) 0;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--col-green);
  transition: width var(--trans-med);
  border-radius: 1px;
}
.nav-link:hover { color: var(--col-text); }
.nav-link:hover::after { width: 100%; }

/* Install Button */
.btn-install {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--grad-brand);
  color: var(--col-bg);
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--trans-fast);
  margin-left: var(--sp-sm);
  box-shadow: 0 0 15px rgba(34,197,94,0.4);
  animation: pulse-install 2s infinite;
}
.btn-install:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 0 25px rgba(34,197,94,0.6);
  color: #fff;
}
@keyframes pulse-install {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,0.5); }
  70% { box-shadow: 0 0 0 12px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}

/* =============================================
   MODAL
   ============================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-med);
  padding: var(--sp-md);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.modal-card {
  background: #0e1f2b;
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-xl);
  padding: var(--sp-xl);
  max-width: 480px;
  width: 100%;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--trans-med);
  box-shadow: var(--shadow-lg);
}
.modal-overlay.open .modal-card {
  transform: translateY(0) scale(1);
}
.modal-header { text-align: center; margin-bottom: var(--sp-lg); }
.modal-icon { font-size: 2.5rem; margin-bottom: var(--sp-sm); }
.modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}
.modal-header p {
  color: var(--col-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}
.input-group { margin-bottom: var(--sp-md); }
.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--col-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.input-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--col-surface);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-md);
  color: var(--col-text);
  font-size: 0.95rem;
  transition: border-color var(--trans-fast);
}
.input-group input:focus {
  border-color: var(--col-green);
  outline: none;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.1);
}
.input-hint {
  display: block;
  font-size: 0.78rem;
  color: var(--col-text-muted);
  margin-top: 6px;
}
.input-hint a { color: var(--col-blue); }
.modal-actions {
  display: flex;
  gap: var(--sp-sm);
  justify-content: flex-end;
}
.btn-secondary {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-md);
  color: var(--col-text-dim);
  font-size: 0.875rem;
  font-weight: 500;
  transition: all var(--trans-fast);
}
.btn-secondary:hover {
  background: var(--col-surface-2);
  color: var(--col-text);
}
.btn-primary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--grad-brand);
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  transition: opacity var(--trans-fast), transform var(--trans-fast);
}
.btn-primary:hover { opacity: 0.9; transform: scale(1.02); }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--grad-hero);
  padding: 100px var(--sp-lg) var(--sp-2xl);
}

#globe-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.25;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
  animation: fadeInUp 1s ease both;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--col-green-dim);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--col-green);
  margin-bottom: var(--sp-md);
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--col-green);
  animation: badgePulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-md);
}

.gradient-text {
  background: var(--grad-brand);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--col-text-dim);
  line-height: 1.7;
  margin-bottom: var(--sp-lg);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: var(--sp-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-xl);
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--grad-brand);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  transition: all var(--trans-med);
  box-shadow: 0 4px 20px rgba(34,197,94,0.4);
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34,197,94,0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--col-text);
  transition: all var(--trans-med);
  backdrop-filter: blur(10px);
}
.btn-hero-secondary:hover {
  background: var(--col-surface);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-lg);
  padding: var(--sp-md) var(--sp-lg);
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(20px);
  max-width: 540px;
  margin: 0 auto;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--col-green);
}
.stat-label {
  font-size: 0.75rem;
  color: var(--col-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--col-border);
}

.hero-scroll {
  position: absolute;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--col-text-muted);
  font-size: 0.75rem;
}
.scroll-arrow {
  width: 20px;
  height: 20px;
  border-right: 2px solid rgba(34,197,94,0.5);
  border-bottom: 2px solid rgba(34,197,94,0.5);
  transform: rotate(45deg) translateX(-4px) translateY(-4px);
  animation: scrollBounce 2s ease-in-out infinite;
}

/* =============================================
   SECTIONS
   ============================================= */
.section {
  position: relative;
  z-index: 1;
  padding: var(--sp-2xl) var(--sp-lg);
  background: var(--col-bg);
}
.section-dark {
  background: var(--col-bg-2);
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--sp-xl);
}
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  background: var(--col-green-dim);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-sm);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: var(--sp-sm);
}
.section-subtitle {
  color: var(--col-text-dim);
  font-size: 1rem;
  line-height: 1.7;
}

/* =============================================
   ECOVISION
   ============================================= */
.ecovision-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  max-width: 1200px;
  margin: 0 auto;
}

/* Upload Panel */
.upload-panel {
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}

.upload-zone {
  border: 2px dashed var(--col-border-2);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
  text-align: center;
  cursor: pointer;
  transition: all var(--trans-med);
  background: var(--col-surface);
  min-height: 260px;
  justify-content: center;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--col-green);
  background: var(--col-green-dim);
  box-shadow: var(--shadow-glow-green);
}
.upload-icon {
  color: var(--col-text-muted);
  transition: color var(--trans-med), transform var(--trans-med);
}
.upload-zone:hover .upload-icon { color: var(--col-green); transform: translateY(-4px); }
.upload-primary {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--col-text);
}
.upload-secondary { font-size: 0.82rem; color: var(--col-text-muted); }
.upload-examples {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: var(--sp-xs);
}
.upload-examples span { font-size: 0.78rem; color: var(--col-text-muted); }
.example-chip {
  padding: 4px 10px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: var(--col-text-dim);
  transition: all var(--trans-fast);
}
.example-chip:hover {
  background: var(--col-blue-dim);
  border-color: rgba(14,165,233,0.3);
  color: var(--col-blue);
}

.image-preview-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--col-border-2);
}
.image-preview {
  width: 100%;
  height: 260px;
  object-fit: cover;
  display: block;
}
.change-image-btn {
  position: absolute;
  bottom: var(--sp-sm);
  right: var(--sp-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(6,13,15,0.8);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-full);
  color: var(--col-text-dim);
  font-size: 0.78rem;
  backdrop-filter: blur(8px);
  transition: all var(--trans-fast);
}
.change-image-btn:hover {
  background: rgba(34,197,94,0.2);
  color: var(--col-green);
}

.btn-analyze {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px;
  background: var(--grad-brand);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  transition: all var(--trans-med);
  box-shadow: 0 4px 20px rgba(34,197,94,0.3);
}
.btn-analyze:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34,197,94,0.4);
}
.btn-analyze:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-analyze.loading { pointer-events: none; }

.analysis-mode-row {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-wrap: wrap;
}
.mode-label { font-size: 0.78rem; color: var(--col-text-muted); white-space: nowrap; }
.mode-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.mode-chip {
  padding: 5px 12px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  color: var(--col-text-dim);
  transition: all var(--trans-fast);
}
.mode-chip.active {
  background: var(--col-green-dim);
  border-color: rgba(34,197,94,0.35);
  color: var(--col-green);
}
.mode-chip:hover { color: var(--col-text); border-color: var(--col-border-2); }

/* Results Panel */
.results-panel {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  min-height: 500px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.results-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  padding: var(--sp-xl);
  text-align: center;
}
.placeholder-icon { font-size: 3rem; }
.results-placeholder p { color: var(--col-text-dim); font-size: 0.95rem; line-height: 1.6; }
.powered-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--col-text-muted);
  padding: 6px 12px;
  background: var(--col-surface-2);
  border-radius: var(--radius-full);
}

.results-content {
  padding: var(--sp-md);
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
  animation: fadeIn 0.5s ease;
}

/* Score Ring */
.score-section {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--col-surface-2);
  border-radius: var(--radius-md);
}
.score-ring-container {
  position: relative;
  width: 110px;
  height: 110px;
  flex-shrink: 0;
}
.score-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.05);
  stroke-width: 10;
}
.ring-progress {
  fill: none;
  stroke: url(#ringGrad);
  stroke-width: 10;
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  transition: stroke-dashoffset 1s ease;
}
.score-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.score-number {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--col-green);
}
.score-label { font-size: 0.6rem; color: var(--col-text-muted); text-transform: uppercase; }
.score-grade {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}
.score-description { font-size: 0.85rem; color: var(--col-text-dim); line-height: 1.5; }

/* Result Cards */
.result-card {
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.result-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--col-border);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--col-text-dim);
}
.result-card-body {
  padding: var(--sp-sm) 14px;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--col-text-dim);
}

.findings-list, .actions-list {
  list-style: none;
  padding: var(--sp-xs) 14px;
}
.findings-list li, .actions-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--col-border);
  font-size: 0.87rem;
  color: var(--col-text-dim);
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.findings-list li:last-child, .actions-list li:last-child { border-bottom: none; }
.findings-list li::before { content: '→'; color: var(--col-blue); flex-shrink: 0; margin-top: 1px; }
.actions-list li::before { content: '✓'; color: var(--col-green); flex-shrink: 0; margin-top: 1px; font-weight: 700; }

.tags-section { display: flex; flex-direction: column; gap: 8px; }
.tags-label { font-size: 0.75rem; color: var(--col-text-muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.tags-container { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  padding: 4px 10px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--col-text-dim);
}

.btn-share {
  display: flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 8px 18px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-full);
  color: var(--col-text-dim);
  font-size: 0.82rem;
  font-weight: 500;
  transition: all var(--trans-fast);
}
.btn-share:hover {
  background: var(--col-blue-dim);
  border-color: rgba(14,165,233,0.3);
  color: var(--col-blue);
}

/* Gemini Loader */
.results-loading {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  padding: var(--sp-xl);
}
.gemini-loader {
  position: relative;
  width: 80px;
  height: 80px;
}
.gemini-orb {
  position: absolute;
  inset: 25%;
  border-radius: 50%;
  background: radial-gradient(circle, #a78bfa, #06b6d4);
  animation: orbPulse 2s ease-in-out infinite;
}
.gemini-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid transparent;
}
.ring-1 {
  inset: 10%;
  border-top-color: rgba(167,139,250,0.7);
  animation: ringOrbit 1.5s linear infinite;
}
.ring-2 {
  inset: 0%;
  border-right-color: rgba(6,182,212,0.5);
  animation: ringOrbit 2.5s linear infinite reverse;
}
.ring-3 {
  inset: -10%;
  border-bottom-color: rgba(34,197,94,0.4);
  animation: ringOrbit 3.5s linear infinite;
}
.loading-text {
  font-size: 0.9rem;
  color: var(--col-text-dim);
  text-align: center;
}
.loading-steps { display: flex; flex-direction: column; gap: 8px; }
.loading-step {
  font-size: 0.8rem;
  color: var(--col-text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--trans-fast);
}
.loading-step.active {
  color: var(--col-green);
  background: var(--col-green-dim);
  animation: stepFadeIn 0.4s ease;
}

/* =============================================
   ECOCHAT
   ============================================= */
.chat-container {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}
.chat-window {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
  min-height: 200px;
  max-height: 520px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  scroll-behavior: smooth;
}
.chat-welcome {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-sm);
  padding: var(--sp-sm);
  background: var(--col-green-dim);
  border: 1px solid rgba(34,197,94,0.15);
  border-radius: var(--radius-md);
}
.chat-welcome-icon { font-size: 1.5rem; flex-shrink: 0; }
.chat-welcome-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
}
.chat-welcome-text strong { color: var(--col-green); }
.chat-welcome-text span { color: var(--col-text-dim); }

/* Messages */
.chat-message {
  display: flex;
  gap: var(--sp-sm);
  animation: chatBubble 0.4s ease;
}
.chat-message.user { flex-direction: row-reverse; }
.chat-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  margin-top: 2px;
}
.chat-message.user .chat-avatar {
  background: var(--col-blue-dim);
  border-color: rgba(14,165,233,0.3);
}
.chat-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.65;
}
.chat-message.ai .chat-bubble {
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  color: var(--col-text);
  border-bottom-left-radius: 4px;
}
.chat-message.user .chat-bubble {
  background: var(--col-blue-dim);
  border: 1px solid rgba(14,165,233,0.25);
  color: var(--col-text);
  border-bottom-right-radius: 4px;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 14px 16px;
}
.typing-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--col-green);
  animation: typingDot 1.4s ease-in-out infinite;
}
.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

.chat-suggestions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.suggestion-chip {
  padding: 8px 14px;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--col-text-dim);
  transition: all var(--trans-fast);
  text-align: left;
}
.suggestion-chip:hover {
  background: var(--col-green-dim);
  border-color: rgba(34,197,94,0.25);
  color: var(--col-green);
}

.chat-input-row { display: flex; gap: var(--sp-sm); }
.chat-input-wrapper {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: var(--sp-sm);
  background: var(--col-surface);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: border-color var(--trans-fast);
}
.chat-input-wrapper:focus-within {
  border-color: var(--col-green);
  box-shadow: 0 0 0 3px rgba(34,197,94,0.1);
}
.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--col-text);
  font-size: 0.92rem;
  outline: none;
  resize: none;
  line-height: 1.5;
  max-height: 120px;
  overflow-y: auto;
}
.chat-input::placeholder { color: var(--col-text-muted); }
.chat-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--grad-brand);
  color: #fff;
  flex-shrink: 0;
  transition: all var(--trans-fast);
}
.chat-send-btn:hover { transform: scale(1.05); opacity: 0.9; }

/* =============================================
   CARBON COMPASS
   ============================================= */
.carbon-layout {
  max-width: 900px;
  margin: 0 auto;
}

.carbon-form {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl);
}

.step-indicator {
  display: flex;
  gap: 10px;
  margin-bottom: var(--sp-lg);
  justify-content: center;
}
.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--col-border-2);
  transition: all var(--trans-med);
  cursor: pointer;
}
.step-dot.active { background: var(--col-green); box-shadow: 0 0 8px var(--col-green-glow); }
.step-dot.completed { background: var(--col-teal); }

.step-content { display: none; }
.step-content.active {
  display: block;
  animation: fadeInUp 0.4s ease;
}

.step-icon { font-size: 3rem; margin-bottom: var(--sp-sm); text-align: center; }
.step-question {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--sp-lg);
  color: var(--col-text);
}

.option-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-sm);
  justify-content: center;
  margin-bottom: var(--sp-lg);
}
.option-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: var(--sp-md);
  min-width: 110px;
  background: var(--col-surface-2);
  border: 2px solid var(--col-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--trans-med);
}
.option-card input[type="radio"] { display: none; }
.option-card:hover {
  border-color: var(--col-green);
  background: var(--col-green-dim);
  transform: translateY(-2px);
}
.option-card:has(input:checked) {
  border-color: var(--col-green);
  background: var(--col-green-dim);
  box-shadow: 0 0 20px rgba(34,197,94,0.2);
}
.option-emoji { font-size: 1.8rem; }
.option-text {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-text-dim);
  text-align: center;
}

.step-nav {
  display: flex;
  gap: var(--sp-sm);
  justify-content: center;
  align-items: center;
}
.btn-prev, .btn-next {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--trans-fast);
}
.btn-prev {
  background: var(--col-surface-2);
  border: 1px solid var(--col-border-2);
  color: var(--col-text-dim);
}
.btn-prev:hover:not(:disabled) { color: var(--col-text); border-color: rgba(255,255,255,0.2); }
.btn-prev:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-next {
  background: var(--col-green-dim);
  border: 1px solid rgba(34,197,94,0.3);
  color: var(--col-green);
}
.btn-next:hover { background: rgba(34,197,94,0.25); }
.btn-calculate {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--grad-brand);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  box-shadow: 0 4px 16px rgba(34,197,94,0.3);
  transition: all var(--trans-med);
}
.btn-calculate:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(34,197,94,0.4); }

/* Carbon Results */
.carbon-results {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.carbon-loading {
  padding: var(--sp-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  text-align: center;
  color: var(--col-text-dim);
}
.carbon-report {
  padding: var(--sp-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
  animation: fadeInUp 0.6s ease;
}
.carbon-score-header {
  text-align: center;
  padding: var(--sp-lg);
  background: var(--col-surface-2);
  border-radius: var(--radius-md);
}
.carbon-total { margin-bottom: var(--sp-xs); }
.carbon-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--col-green);
}
.carbon-unit {
  font-size: 1rem;
  color: var(--col-text-dim);
  margin-left: 8px;
}
.carbon-comparison { font-size: 0.9rem; color: var(--col-text-dim); }

.carbon-bars { display: flex; flex-direction: column; gap: var(--sp-sm); }
.carbon-bar-item {
  display: grid;
  grid-template-columns: 140px 1fr 60px;
  gap: var(--sp-sm);
  align-items: center;
}
.bar-label { font-size: 0.85rem; color: var(--col-text-dim); font-weight: 500; }
.bar-track {
  height: 10px;
  background: var(--col-surface-2);
  border-radius: 5px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  border-radius: 5px;
  animation: barGrow 1s ease both;
}
.transport-bar { background: linear-gradient(90deg, #0ea5e9, #38bdf8); }
.diet-bar      { background: linear-gradient(90deg, #22c55e, #4ade80); }
.energy-bar    { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.shopping-bar  { background: linear-gradient(90deg, #a78bfa, #c4b5fd); }
.bar-val { font-family: var(--font-display); font-size: 0.82rem; font-weight: 600; color: var(--col-text); text-align: right; }

.carbon-action-plan {
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
}
.carbon-action-plan h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--col-green);
  margin-bottom: var(--sp-sm);
}
.action-plan-content {
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--col-text-dim);
  white-space: pre-wrap;
}

.btn-recalculate {
  align-self: flex-start;
  padding: 10px 24px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-md);
  color: var(--col-text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--trans-fast);
}
.btn-recalculate:hover { color: var(--col-text); border-color: rgba(255,255,255,0.2); }

/* =============================================
   EARTH PULSE
   ============================================= */
.pulse-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  max-width: 1000px;
  margin: 0 auto var(--sp-xl);
}
.pulse-card {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-md);
  text-align: center;
  transition: all var(--trans-med);
  position: relative;
  overflow: hidden;
}
.pulse-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(34,197,94,0.05), transparent 60%);
  pointer-events: none;
}
.pulse-card:hover {
  border-color: var(--col-border-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.pulse-icon { font-size: 2rem; margin-bottom: var(--sp-xs); }
.pulse-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--col-text);
  line-height: 1.2;
  margin-bottom: 4px;
}
.pulse-unit { font-size: 1rem; color: var(--col-text-muted); font-weight: 400; }
.pulse-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--col-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
}
.pulse-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-full);
}
.pulse-trend.up {
  background: rgba(248,113,113,0.1);
  color: var(--col-red);
}
.pulse-trend.down {
  background: rgba(248,113,113,0.1);
  color: var(--col-red);
}

/* Narration */
.pulse-narration {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.narration-header {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--col-border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--col-text-dim);
}
.narration-icon { font-size: 1.2rem; }
.btn-narrate {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding: 6px 14px;
  background: var(--col-green-dim);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-full);
  color: var(--col-green);
  font-size: 0.78rem;
  font-weight: 600;
  transition: all var(--trans-fast);
}
.btn-narrate:hover { background: rgba(34,197,94,0.2); }
.narration-body {
  padding: var(--sp-md);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--col-text-dim);
  min-height: 80px;
}
.narration-placeholder { font-style: italic; color: var(--col-text-muted); font-size: 0.88rem; }
.narration-text { animation: typeReveal 0.5s ease; white-space: pre-wrap; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #020a0e;
  border-top: 1px solid var(--col-border);
  padding: var(--sp-xl) var(--sp-lg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-md);
}
.footer-brand { display: flex; flex-direction: column; gap: 8px; }
.footer-brand p { font-size: 0.82rem; color: var(--col-text-muted); }
.footer-tech { font-size: 0.75rem !important; }
.footer-tech strong { color: var(--col-text-dim); }
.footer-links { display: flex; gap: var(--sp-md); flex-wrap: wrap; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--col-text-muted);
  transition: color var(--trans-fast);
}
.footer-links a:hover { color: var(--col-green); }

/* =============================================
   TOAST
   ============================================= */
.toast {
  position: fixed;
  bottom: var(--sp-md);
  right: var(--sp-md);
  z-index: 300;
  padding: 12px 20px;
  background: var(--col-surface-2);
  border: 1px solid var(--col-border-2);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  font-size: 0.875rem;
  font-weight: 500;
  max-width: 320px;
  display: none;
}
.toast.show { display: block; animation: toastIn 0.3s ease; }
.toast.success { border-color: rgba(34,197,94,0.4); color: var(--col-green); }
.toast.error   { border-color: rgba(248,113,113,0.4); color: var(--col-red); }
.toast.info    { border-color: rgba(14,165,233,0.4); color: var(--col-blue); }

/* =============================================
   DEFS FOR SVG GRADIENTS (inline)
   ============================================= */
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .ecovision-layout { grid-template-columns: 1fr; }
  .pulse-grid { grid-template-columns: repeat(2, 1fr); }
  
  .navbar { height: auto; padding: 12px 16px; }
  .nav-inner { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 12px; }
  
  .nav-brand { order: 1; width: 100%; justify-content: center; display: flex; }
  
  .nav-links { 
    order: 2; 
    width: 100%; 
    justify-content: flex-start; 
    gap: 16px; 
    flex-wrap: nowrap; 
    overflow-x: auto; 
    padding-bottom: 4px; 
    scrollbar-width: none; 
    -ms-overflow-style: none; 
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link { font-size: 0.85rem; white-space: nowrap; }
  .nav-link::after { display: none; }
  
  .btn-install { order: 3; margin: 0 auto; }
  
  .hero { padding-top: 170px; }
}

@media (max-width: 640px) {
  .pulse-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: var(--sp-sm); }
  .stat-divider { width: 60px; height: 1px; }
  .carbon-bar-item { grid-template-columns: 100px 1fr 50px; }
  .footer-inner { flex-direction: column; }
}

/* =============================================
   UPLOAD ACTIONS (Giant Buttons)
   ============================================= */
.upload-actions {
  display: flex;
  gap: 16px;
  width: 100%;
  margin-bottom: var(--sp-md);
}
@media (max-width: 500px) {
  .upload-actions { flex-direction: column; }
}

.btn-giant {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--col-border);
  background: var(--col-surface);
  cursor: pointer;
  transition: all var(--trans-med);
  text-align: center;
}
.btn-giant .action-icon {
  color: var(--col-text-dim);
  transition: color var(--trans-fast);
  margin-bottom: 4px;
}
.btn-giant .action-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--col-text);
  transition: color var(--trans-fast);
}
.btn-giant .action-sub {
  font-size: 0.75rem;
  color: var(--col-text-muted);
}

/* Hover effects */
.btn-giant.action-camera:hover {
  background: linear-gradient(145deg, rgba(14,165,233,0.1), rgba(14,165,233,0.02));
  border-color: rgba(14,165,233,0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(14,165,233,0.15);
}
.btn-giant.action-camera:hover .action-icon,
.btn-giant.action-camera:hover .action-title {
  color: var(--col-blue);
}

.btn-giant.action-upload:hover {
  background: linear-gradient(145deg, rgba(34,197,94,0.1), rgba(34,197,94,0.02));
  border-color: rgba(34,197,94,0.4);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34,197,94,0.15);
}
.btn-giant.action-upload:hover .action-icon,
.btn-giant.action-upload:hover .action-title {
  color: var(--col-green);
}

/* =============================================
   CAMERA MODAL
   ============================================= */
.camera-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  backdrop-filter: blur(8px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-med);
  padding: var(--sp-md);
}
.camera-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.camera-modal-inner {
  width: 100%;
  max-width: 640px;
  background: #070f14;
  border: 1px solid rgba(14,165,233,0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 60px rgba(14,165,233,0.15), 0 40px 80px rgba(0,0,0,0.6);
  animation: fadeInUp 0.3s ease both;
}

/* Full-screen on mobile */
@media (max-width: 680px) {
  .camera-modal { padding: 0; }
  .camera-modal-inner {
    border-radius: 0;
    max-width: 100%;
    height: 100dvh;
    height: 100vh;
  }
}

/* Camera header */
.camera-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(14,165,233,0.08);
  border-bottom: 1px solid rgba(14,165,233,0.15);
  flex-shrink: 0;
}
.camera-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--col-blue);
}
.camera-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.camera-flip-btn,
.camera-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--col-surface-2);
  border: 1px solid var(--col-border);
  color: var(--col-text-dim);
  transition: all var(--trans-fast);
}
.camera-flip-btn:hover {
  background: rgba(14,165,233,0.15);
  color: var(--col-blue);
  border-color: rgba(14,165,233,0.3);
}
.camera-close-btn:hover {
  background: rgba(248,113,113,0.15);
  color: var(--col-red);
  border-color: rgba(248,113,113,0.3);
}

/* Camera viewport */
.camera-viewport {
  position: relative;
  flex: 1;
  min-height: 240px;
  background: #000;
  overflow: hidden;
}
#cameraFeed {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Guide ring overlay */
.camera-guide-ring {
  position: absolute;
  inset: 50%;
  transform: translate(-50%, -50%);
  width: min(60%, 260px);
  height: min(60%, 260px);
  border: 2px solid rgba(34,197,94,0.5);
  border-radius: 50%;
  pointer-events: none;
  animation: cameraRingPulse 3s ease-in-out infinite;
}
@keyframes cameraRingPulse {
  0%, 100% { border-color: rgba(34,197,94,0.4); box-shadow: 0 0 0 0 rgba(34,197,94,0); }
  50%       { border-color: rgba(34,197,94,0.8); box-shadow: 0 0 20px rgba(34,197,94,0.15); }
}

/* Camera footer */
.camera-footer {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
}
.camera-hint {
  font-size: 0.78rem;
  color: var(--col-text-muted);
  text-align: center;
}

/* Snap button */
.camera-snap-btn {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--trans-fast);
}
.camera-snap-btn:active {
  transform: scale(0.9);
}
.snap-outer-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.7);
  transition: border-color var(--trans-fast);
}
.camera-snap-btn:hover .snap-outer-ring {
  border-color: var(--col-green);
}
.snap-inner-circle {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #fff;
  transition: background var(--trans-fast), transform var(--trans-fast);
}
.camera-snap-btn:hover .snap-inner-circle {
  background: var(--col-green);
  transform: scale(0.95);
}
.camera-snap-btn:active .snap-inner-circle {
  transform: scale(0.85);
}

/* =============================================
   PWA / MOBILE TOUCH IMPROVEMENTS
   ============================================= */

/* Remove tap highlight on interactive elements */
a, button, label, input {
  -webkit-tap-highlight-color: transparent;
}

/* Safe area padding for notched phones */
.navbar {
  padding-top: env(safe-area-inset-top);
}
footer.footer {
  padding-bottom: calc(var(--sp-xl) + env(safe-area-inset-bottom));
}

/* =============================================
   FAQ SECTION
   ============================================= */
.faq {
  padding: 80px 20px;
  background: var(--col-bg);
  position: relative;
  z-index: 10;
}
.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-md);
}
.faq-item {
  background: var(--col-surface);
  border: 1px solid var(--col-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--trans-med);
}
.faq-item:hover {
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--col-text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--trans-fast);
}
.faq-question:hover {
  color: var(--col-green);
}
.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--col-green);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-question::after {
  transform: rotate(45deg);
  color: var(--col-red);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  background: rgba(0, 0, 0, 0.2);
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px 24px;
}
.faq-answer p {
  color: var(--col-text-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}
.faq-answer strong {
  color: var(--col-white);
}