:root {
  --primary: #15803d;
  --primary-dark: #0f3923;
  --primary-light: #22c55e;
  --primary-subtle: #dcfce7;
  --accent-gold: #eab308;
  --accent-gold-dark: #ca8a04;
  --text-main: #0f172a;
  --text-muted: #475569;
  --bg-main: #f8faf6;
  --bg-card: #ffffff;
  --border-light: #e2e8f0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 32px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

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

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Nirmala UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Header & Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary-dark);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-toggle-btn {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  border: none;
  padding: 9px 18px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(217, 119, 6, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lang-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.45);
}

.app-btn-nav {
  background: var(--primary-dark);
  color: #fff;
  text-decoration: none;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.app-btn-nav:hover {
  background: var(--primary);
}

/* Live Mandi Ticker */
.mandi-ticker {
  background: #064e3b;
  color: #a7f3d0;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.ticker-headline {
  background: var(--accent-gold);
  color: #0f172a;
  padding: 3px 10px;
  border-radius: 4px;
  font-weight: 800;
  margin-right: 20px;
  flex-shrink: 0;
}

.ticker-marquee {
  display: inline-block;
  animation: scroll-ticker 28s linear infinite;
}

@keyframes scroll-ticker {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

.ticker-item {
  display: inline-block;
  margin-right: 35px;
}

/* Hero Section */
.hero-section {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(15, 57, 35, 0.92) 0%, rgba(15, 23, 42, 0.88) 100%),
              url('../images/land_sunrise.jpg') center/cover no-repeat;
  color: #ffffff;
  padding: 60px 30px;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(34, 197, 94, 0.2);
  border: 1px solid var(--primary-light);
  color: #86efac;
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 18px;
  max-width: 850px;
}

.hero-title span {
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 1.25rem;
  color: #e2e8f0;
  max-width: 700px;
  margin-bottom: 34px;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #ffffff;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.4);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.55);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  color: #ffffff;
  text-decoration: none;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.22);
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 30px;
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.stat-item p {
  font-size: 0.95rem;
  color: #cbd5e1;
}

/* Section Shared */
.section-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px auto;
}

.section-badge {
  display: inline-block;
  background: var(--primary-subtle);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 14px;
  line-height: 1.25;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Video Demo Section */
.video-section {
  background: #0f172a;
  color: #ffffff;
  padding: 80px 24px;
}

.video-section .section-title {
  color: #ffffff;
}

.video-section .section-subtitle {
  color: #94a3b8;
}

.video-section .section-badge {
  background: rgba(234, 179, 8, 0.2);
  color: var(--accent-gold);
}

.video-player-container {
  max-width: 1000px;
  margin: 0 auto;
  background: #1e293b;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid #334155;
}

.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}

.video-wrapper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-controls-bar {
  padding: 18px 24px;
  background: #0f172a;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid #334155;
}

.video-steps-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.step-btn {
  background: #1e293b;
  color: #cbd5e1;
  border: 1px solid #475569;
  padding: 8px 16px;
  border-radius: 24px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.step-btn.active, .step-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary-light);
}

.video-actions-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.voice-btn {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #ffffff;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s;
}

.voice-btn:hover {
  transform: scale(1.03);
}

.video-download-link {
  background: #3b82f6;
  color: #ffffff;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s;
}

.video-download-link:hover {
  background: #2563eb;
}

/* Land & Soil Section */
.land-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.land-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  transition: transform 0.3s, box-shadow 0.3s;
}

.land-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-img-box {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.card-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.card-content {
  padding: 24px;
}

.card-content h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.card-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.metric-pill {
  display: inline-flex;
  align-items: center;
  background: var(--primary-subtle);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 4px 12px;
  border-radius: 20px;
}

/* Farmers in Action Gallery */
.farmers-section {
  background: #f1f5f9;
}

.farmer-story-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #ffffff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
}

.farmer-story-card.reverse {
  direction: rtl;
}

.farmer-story-card.reverse .farmer-story-text {
  direction: ltr;
}

.farmer-story-img {
  width: 100%;
  min-height: 340px;
  object-fit: cover;
}

.farmer-story-text {
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.quote-icon {
  font-size: 2.2rem;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 12px;
}

.farmer-quote {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-main);
  margin-bottom: 24px;
  line-height: 1.6;
}

.farmer-profile h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary-dark);
}

.farmer-profile p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Four Pillars Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  padding: 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all 0.25s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-subtle);
  color: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 18px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Calculator Section */
.calc-section {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border-top: 1px solid #bbf7d0;
  border-bottom: 1px solid #bbf7d0;
}

.calc-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group label {
  display: block;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  outline: none;
  transition: border-color 0.2s;
}

.form-control:focus {
  border-color: var(--primary);
  background: #ffffff;
}

.calc-results {
  background: #0f172a;
  color: #ffffff;
  padding: 28px;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-res-item {
  border-bottom: 1px solid #334155;
  padding-bottom: 14px;
  margin-bottom: 14px;
}

.calc-res-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0;
}

.calc-res-item .label {
  font-size: 0.85rem;
  color: #94a3b8;
}

.calc-res-item .value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--accent-gold);
}

/* Kisan Sahayak AI Voice Assistant */
.sahayak-section {
  background: #ffffff;
}

.sahayak-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.sahayak-questions-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sahayak-q-card {
  background: #f8fafc;
  border: 1.5px solid var(--border-light);
  padding: 18px 22px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sahayak-q-card:hover, .sahayak-q-card.active {
  border-color: var(--primary);
  background: var(--primary-subtle);
  transform: translateX(4px);
}

.sahayak-q-card p {
  font-weight: 700;
  color: var(--text-main);
  font-size: 1rem;
}

.sahayak-answer-box {
  background: #064e3b;
  color: #ffffff;
  padding: 36px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 2px solid #34d399;
}

.answer-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.answer-header h4 {
  font-size: 1.3rem;
  color: #a7f3d0;
}

.answer-text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: #f0fdf4;
  margin-bottom: 24px;
}

.speak-now-btn {
  background: var(--accent-gold);
  color: #0f172a;
  border: none;
  font-weight: 800;
  padding: 10px 20px;
  border-radius: 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s;
}

.speak-now-btn:hover {
  transform: scale(1.05);
}

/* App Promotion Banner */
.app-promo-banner {
  background: linear-gradient(135deg, #14532d 0%, #064e3b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  box-shadow: var(--shadow-lg);
}

.app-promo-text {
  max-width: 650px;
}

.app-promo-text h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.app-promo-text p {
  font-size: 1.1rem;
  color: #d1fae5;
  margin-bottom: 24px;
}

.app-promo-btn {
  background: #ffffff;
  color: var(--primary-dark);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 800;
  padding: 16px 32px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.2s;
}

.app-promo-btn:hover {
  transform: translateY(-3px);
}

/* Footer */
footer {
  background: #091e13;
  color: #94a3b8;
  padding: 50px 24px 30px 24px;
  border-top: 1px solid #14532d;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: #4ade80;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 1.05rem;
  color: #cbd5e1;
  margin-bottom: 20px;
}

.footer-helpline {
  background: rgba(234, 179, 8, 0.15);
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
  display: inline-block;
  padding: 8px 20px;
  border-radius: 30px;
  font-weight: 700;
  margin-bottom: 26px;
}

.footer-copy {
  font-size: 0.85rem;
  color: #64748b;
}

/* Responsive adjustments */
@media (max-width: 868px) {
  .hero-title { font-size: 2.3rem; }
  .farmer-story-card, .farmer-story-card.reverse { grid-template-columns: 1fr; }
  .calc-box { grid-template-columns: 1fr; }
  .sahayak-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}