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

:root {
  --green-50: #f0fdf4;
  --green-100: #dcfce7;
  --green-200: #bbf7d0;
  --green-400: #4ade80;
  --green-500: #22c55e;
  --green-600: #16a34a;
  --green-700: #15803d;
  --green-800: #166534;
  --green-900: #14532d;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  background: var(--gray-50);
}

.hidden { display: none !important; }

/* NAV */
header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-100);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1040px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.logo { font-size: 1.5rem; font-weight: 700; color: var(--gray-900); }
.logo span { color: var(--green-600); }

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  text-decoration: none;
  color: var(--gray-600);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.nav-link:hover { color: var(--green-700); }

.nav-cta {
  text-decoration: none;
  color: var(--green-700);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid var(--green-600);
  padding: 0.45rem 1.25rem;
  border-radius: 99px;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--green-600); color: #fff; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all 0.2s;
}

.mobile-menu {
  padding: 0.5rem 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-100);
}

/* FULL-PAGE BACKGROUND CANVASES */
#bg-particles,
#fullpage-leaf-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* HERO */
.hero {
  position: relative;
  text-align: center;
  padding: 6rem 1.5rem 5rem;
  background: linear-gradient(170deg, var(--green-50) 0%, #fff 50%, var(--green-50) 100%);
  overflow: hidden;
}

.leaf-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.85rem;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero h1 span { color: var(--green-600); }

.hero p {
  font-size: 1.2rem;
  color: var(--gray-600);
  margin-bottom: 2.25rem;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-outline-light {
  background: transparent;
  color: var(--green-700);
  border: 2px solid var(--green-600);
}

.btn-outline-light:hover {
  background: var(--green-600);
  color: #fff;
}

/* BUTTONS */
.btn {
  display: inline-block;
  background: var(--green-600);
  color: #fff;
  border: none;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 99px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
}
.btn:hover { background: var(--green-700); transform: translateY(-1px); }
.btn-full { width: 100%; margin-top: 0.5rem; }
.btn-outline { background: transparent; color: var(--green-700); border: 2px solid var(--green-600); }
.btn-outline:hover { background: var(--green-600); color: #fff; }

/* IMPACT BAR */
.impact-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 1040px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  gap: 1rem;
  background: var(--green-900);
  border-radius: 0;
}

.impact-item {
  text-align: center;
  padding: 0.5rem;
}

.impact-number {
  display: block;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--green-400);
  line-height: 1.1;
}

.impact-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--green-200);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.impact-desc {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.2rem;
}

/* HOW IT WORKS */
.how-it-works {
  max-width: 1040px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.how-it-works h2 {
  text-align: center;
  font-size: 1.75rem;
  color: var(--gray-900);
  margin-bottom: 2.5rem;
}

.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 0;
}

.step-card {
  flex: 1;
  max-width: 280px;
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  width: 48px;
  height: 48px;
  background: var(--green-600);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 auto 1rem;
}

.step-card h3 {
  font-size: 1.05rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.step-connector {
  width: 60px;
  height: 2px;
  background: var(--green-200);
  margin-top: 3.25rem;
  flex-shrink: 0;
}

/* WHY IT MATTERS */
.why-matters {
  max-width: 1040px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

.why-matters h2 {
  text-align: center;
  font-size: 1.75rem;
  color: var(--gray-900);
  margin-bottom: 2.5rem;
}

.matters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.matters-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--green-500);
}

.matters-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.matters-card h3 {
  font-size: 1.1rem;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.matters-card p {
  font-size: 0.9rem;
  color: var(--gray-600);
  line-height: 1.6;
}

.matters-cta {
  text-align: center;
}

/* CALCULATOR */
.calculator {
  max-width: 600px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}
.calculator h2,
.results h2 {
  text-align: center;
  font-size: 1.75rem;
  margin-bottom: 2rem;
  color: var(--gray-900);
}

.section-label {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green-800);
  margin: 2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--green-100);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.4rem;
  font-size: 0.95rem;
  color: var(--gray-700);
}

.form-group select,
.form-group input[type="number"] {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-800);
  appearance: none;
  transition: border-color 0.2s;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-group select:focus,
.form-group input:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.input-helper {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-top: 0.35rem;
}

/* MILEAGE */
.mileage-display {
  background: var(--green-50);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

.mileage-toggle { margin-bottom: 0.5rem; }

.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--gray-700);
}

.toggle-label input[type="checkbox"] {
  accent-color: var(--green-600);
  width: 16px;
  height: 16px;
}

.mileage-note {
  display: block;
  font-size: 0.8rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
  margin-left: 1.6rem;
}

/* KM SLIDER */
.km-display {
  text-align: center;
  margin-bottom: 0.25rem;
}

.km-display span {
  font-size: 3rem;
  font-weight: 800;
  color: var(--green-700);
  line-height: 1;
}

.km-display small {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-left: 0.25rem;
}

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  border-radius: 99px;
  background: var(--gray-200);
  outline: none;
  border: none;
  margin-top: 0.5rem;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green-600);
  cursor: pointer;
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.slider::-moz-range-thumb {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--green-600);
  cursor: pointer;
  border: 4px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

/* MEAL TOTAL */
.meal-total {
  background: var(--green-50);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.meal-total strong {
  color: var(--green-700);
  font-size: 1.1rem;
}

.meal-total small {
  display: block;
  font-size: 0.78rem;
  color: var(--gray-600);
  margin-top: 0.25rem;
}

/* ELECTRICITY RESULT */
.elec-result {
  background: var(--green-50);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.elec-result strong {
  color: var(--green-700);
}

/* TRIP BUILDER */
.trip-builder {
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.trip-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.trip-field { margin-bottom: 0.75rem; }
.trip-field label { font-size: 0.85rem; }

.trip-field select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-800);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.trip-field select:focus {
  outline: none;
  border-color: var(--green-500);
}

.toggle-row {
  display: flex;
  gap: 0.5rem;
}

.toggle-btn {
  flex: 1;
  padding: 0.55rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all 0.15s;
  font-family: inherit;
}

.toggle-btn.active {
  border-color: var(--green-600);
  background: var(--green-50);
  color: var(--green-700);
}

.btn-add-trip {
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.65rem;
  font-size: 0.9rem;
  border-radius: var(--radius);
}

/* TRIP CARDS */
.trip-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.trip-info { flex: 1; }

.trip-route {
  font-weight: 700;
  color: var(--gray-900);
}

.trip-details {
  font-size: 0.8rem;
  color: var(--gray-600);
}

.trip-co2 {
  font-weight: 700;
  color: var(--green-700);
  font-size: 0.85rem;
  text-align: right;
  margin-right: 0.5rem;
  white-space: nowrap;
}

.trip-remove {
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0 0.25rem;
  line-height: 1;
}

.trip-remove:hover { color: #ef4444; }

.flight-total {
  background: var(--green-50);
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.flight-total strong { color: var(--green-700); }

/* RESULTS */
.results {
  max-width: 600px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

/* BADGE */
.badge-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow);
}

.badge-emoji { font-size: 2.5rem; }
.badge-title { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); }

.result-card {
  background: linear-gradient(135deg, var(--green-600), var(--green-800));
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.footprint-value span { font-size: 4rem; font-weight: 800; line-height: 1; display: block; }
.footprint-value small { font-size: 1rem; font-weight: 400; opacity: 0.85; display: block; margin-top: 0.5rem; }

/* BREAKDOWN / DONUT */
.breakdown-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.breakdown-card h3 {
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--gray-900);
}

.breakdown-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.donut-wrap {
  flex-shrink: 0;
}

.breakdown-legend {
  list-style: none;
  text-align: left;
}

.breakdown-legend li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--gray-700);
}

.legend-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-val {
  font-weight: 700;
  margin-left: auto;
  padding-left: 0.75rem;
}

.legend-pct {
  font-size: 0.8rem;
  color: var(--gray-600);
  width: 3.5em;
  text-align: right;
}

/* COMPARISON BARS */
.comparison {
  text-align: left;
  margin-bottom: 2rem;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.comparison h3,
.suggestions h3,
.city-alternatives h3 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  color: var(--gray-900);
  text-align: center;
}

.bar-group {
  display: grid;
  grid-template-columns: 80px 1fr 50px;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.bar-group label { font-size: 0.9rem; font-weight: 600; color: var(--gray-700); }

.bar-track {
  background: var(--gray-100);
  border-radius: 99px;
  height: 18px;
  overflow: hidden;
}

.bar { height: 100%; border-radius: 99px; transition: width 0.8s ease; }
.bar-you { background: var(--green-500); width: 0%; }
.bar-india { background: var(--green-200); width: 19%; }
.bar-global { background: var(--green-200); width: 40%; }
.bar-value { font-size: 0.85rem; font-weight: 600; color: var(--gray-600); }

/* CITY ALTERNATIVES */
.city-alternatives {
  text-align: left;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.city-alternatives ul { list-style: none; }

.city-alternatives li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
  color: var(--gray-700);
}
.city-alternatives li:last-child { border-bottom: none; }

.alt-name { font-weight: 600; color: var(--gray-900); }
.alt-saving { color: var(--green-700); font-weight: 600; }
.alt-cost { font-size: 0.85rem; color: var(--gray-600); }

/* SUGGESTIONS */
.suggestions {
  text-align: left;
  background: #fff;
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.suggestions ul { list-style: none; }

.suggestions li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--gray-100);
  font-size: 0.95rem;
  color: var(--gray-700);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.suggestions li:last-child { border-bottom: none; }

.suggestion-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--green-100);
  color: var(--green-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}

/* WHATSAPP */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: #fff;
  padding: 0.85rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 99px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  margin-bottom: 1rem;
  border: none;
}
.btn-whatsapp:hover { background: #1da851; transform: translateY(-1px); }
.btn-whatsapp svg { flex-shrink: 0; }

/* FOOTER */
footer {
  text-align: center;
  padding: 2rem 1.5rem;
  color: var(--gray-600);
  font-size: 0.85rem;
  border-top: 1px solid var(--gray-200);
}

/* VEHICLE USAGE FREQUENCY */
.usage-freq-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.usage-freq-options .toggle-label {
  flex: 1 1 calc(50% - 0.5rem);
  padding: 0.6rem 1rem;
  border: 2px solid var(--gray-200);
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
  white-space: nowrap;
}

.usage-freq-options .toggle-label:has(input:checked) {
  border-color: var(--green-600);
  background: var(--green-50);
  color: var(--green-700);
  font-weight: 600;
}

.usage-freq-options input[type="radio"] {
  display: none;
}

/* PUBLIC TRANSPORT */
#pt-fields .form-group {
  background: #fff;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  transition: border-color 0.2s;
}

#pt-fields .form-group:has(input[type="checkbox"]:checked) {
  border-color: var(--green-500);
  background: var(--green-50);
}

#pt-fields .toggle-label {
  font-weight: 600;
  font-size: 0.95rem;
}

#pt-fields input[type="number"] {
  margin-top: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 0.9rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-800);
  transition: border-color 0.2s;
}

#pt-fields input[type="number"]:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

/* SOLAR SECTION */
#solar-html-fields {
  overflow: hidden;
  transition: max-height 0.35s ease, opacity 0.25s ease;
}

#solar-html-fields:not(.hidden) {
  animation: slideDown 0.35s ease;
}

@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 500px; }
}

#solar-html-result {
  background: var(--green-50) !important;
  padding: 0.75rem 1rem !important;
  border-radius: var(--radius) !important;
  border: 2px solid var(--green-200) !important;
  font-size: 0.95rem !important;
  margin-bottom: 0.5rem !important;
}

/* FOOD AUTOCOMPLETE (supplements JS-injected styles) */
.food-search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  background: #fff;
  color: var(--gray-800);
  transition: border-color 0.2s;
}

.food-search-input:focus {
  outline: none;
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.food-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 2px solid var(--gray-200);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  max-height: 240px;
  overflow-y: auto;
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.food-dropdown-item {
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--gray-700);
  transition: background 0.1s;
  border-bottom: 1px solid var(--gray-100);
}

.food-dropdown-item:hover {
  background: var(--green-50);
  color: var(--green-700);
}

.food-dropdown-item:last-child {
  border-bottom: none;
}

.food-item-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--green-50);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

.food-item-row .food-item-name {
  flex: 1;
  font-weight: 500;
  color: var(--gray-800);
}

.food-qty-btn {
  width: 28px;
  height: 28px;
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  background: #fff;
  color: var(--gray-700);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  padding: 0;
  line-height: 1;
}

.food-qty-btn:hover {
  border-color: var(--green-600);
  background: var(--green-50);
  color: var(--green-700);
}

.food-qty-input {
  width: 40px;
  text-align: center;
  border: 2px solid var(--gray-200);
  border-radius: 8px;
  padding: 0.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-800);
}

.food-qty-input:focus {
  outline: none;
  border-color: var(--green-500);
}

.food-item-co2 {
  font-size: 0.8rem;
  color: var(--green-700);
  font-weight: 600;
  white-space: nowrap;
}

.food-remove-btn {
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0 0.15rem;
  line-height: 1;
}

.food-remove-btn:hover {
  color: #ef4444;
}

/* PERCENTILE RANKING */
#percentile-section .bar-track {
  position: relative;
  height: 22px;
}

#percentile-india-marker,
#percentile-global-marker {
  position: absolute;
  top: -4px;
  width: 3px;
  height: 30px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: left 0.8s ease;
}

/* SCORECARD EXTRAS */
#share-biggest-source {
  text-align: center;
  font-size: 0.8rem;
  color: #9FE1CB;
  margin-bottom: 0.5rem;
}

#share-action-tip {
  text-align: center;
  font-size: 0.72rem;
  opacity: 0.7;
  padding: 0 0.5rem;
  margin-bottom: 0.75rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }

  .hero h1 { font-size: 1.85rem; }
  .hero { padding: 4rem 1.25rem 3.5rem; }
  .hero p { font-size: 1.05rem; }

  .impact-bar {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 2rem 1.5rem;
  }

  .impact-number { font-size: 1.75rem; }

  .steps { flex-direction: column; align-items: center; }
  .step-connector {
    width: 2px;
    height: 32px;
    margin: 0;
  }
  .step-card { max-width: 100%; }

  .matters-grid { grid-template-columns: 1fr; }

  .footprint-value span { font-size: 3rem; }
  .bar-group { grid-template-columns: 70px 1fr 45px; }
  .trip-row { grid-template-columns: 1fr; }
  .breakdown-layout { flex-direction: column; }
  .km-display span { font-size: 2.5rem; }
}
/* MOBILE SMALL */
@media (max-width: 480px) {
  .impact-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.5rem 1rem;
  }

  .impact-number { font-size: 1.5rem; }
  .impact-label { font-size: 0.75rem; }
  .impact-desc { font-size: 0.7rem; }

  .usage-freq-options {
    flex-direction: column;
  }

  .usage-freq-options .toggle-label {
    flex: 1 1 100%;
  }

  #pt-fields .form-group {
    padding: 0.65rem 0.75rem;
  }

  .food-item-row {
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .food-qty-input {
    width: 36px;
  }

  .food-dropdown {
    max-height: 200px;
  }

  #percentile-section {
    padding: 1.25rem;
  }

  .hero h1 { font-size: 1.5rem; }
  .hero p { font-size: 0.95rem; }
  .hero { padding: 3rem 1rem 2.5rem; }

  .footprint-value span { font-size: 2.5rem; }
  .km-display span { font-size: 2rem; }

  .calculator { padding: 2rem 1rem 3rem; }
  .results { padding: 2rem 1rem 3rem; }

  .breakdown-card,
  .comparison,
  .suggestions,
  .city-alternatives {
    padding: 1.25rem;
  }

  .trip-builder { padding: 0.85rem; }
}

#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.hero, header, section, .calculator-section, 
.results-section, footer {
  position: relative;
  z-index: 1;
}