:root {
  --primary-green: #2E7D32;
  --secondary-green: #4CAF50;
  --accent-yellow: #FBC02D;
  --white: #FFFFFF;
  --light-bg: #F9FBF9;
  --surface-bg: #F1F8F1;
  --dark-text: #1B1D1B;
  --muted-text: #5F635F;
  --border-color: #E0E6E0;
  --font-family: 'Poppins', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--dark-text);
  line-height: 1.6;
  background-color: var(--white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
  gap: 10px;
  text-align: center;
  border: none;
}

.btn-primary {
  background-color: var(--primary-green);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn-primary:hover {
  background-color: var(--secondary-green);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(46, 125, 50, 0.4);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
  background-color: var(--primary-green);
  color: var(--white);
  transform: translateY(-2px);
}

/* Top Bar */
.top-bar {
  background-color: #1A1D1A;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 0;
  font-size: 13px;
  font-weight: 500;
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.contact-items {
  display: flex;
  gap: 20px;
}

.contact-items i {
  color: var(--secondary-green);
  margin-right: 6px;
}

/* Navigation */
nav {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container img {
  height: 56px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-weight: 600;
  font-size: 14px;
  color: var(--dark-text);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.mobile-menu-btn {
  display: none;
  font-size: 24px;
  color: var(--primary-green);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: #000;
  color: var(--white);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://images.unsplash.com/photo-1586201375761-83865001e31c?w=1600');
  background-size: cover;
  background-position: center;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.2) 100%);
}

.hero .container {
  position: relative;
  z-index: 10;
}

.hero-content {
  max-width: 650px;
}

.launch-badge {
  display: inline-flex;
  align-items: center;
  background-color: var(--accent-yellow);
  color: #000;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 24px;
  gap: 8px;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.hero h1 {
  font-size: 64px;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.hero h2 {
  font-size: 28px;
  font-weight: 500;
  margin-bottom: 20px;
  color: var(--secondary-green);
}

.hero p {
  font-size: 18px;
  margin-bottom: 40px;
  opacity: 0.9;
}

.hero-btns {
  display: flex;
  gap: 20px;
}

/* Section Common */
section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: 40px;
  color: var(--primary-green);
  margin-bottom: 16px;
}

.section-header p {
  color: var(--muted-text);
  font-size: 18px;
}

.underline {
  width: 80px;
  height: 5px;
  background-color: var(--accent-yellow);
  margin: 0 auto;
  border-radius: 5px;
}

/* Why Section Grid */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.why-card {
  padding: 48px 32px;
  background-color: var(--white);
  border-radius: 24px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.why-card:hover {
  transform: translateY(-12px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.why-icon {
  width: 80px;
  height: 80px;
  background-color: var(--surface-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 32px;
  color: var(--primary-green);
  transition: var(--transition);
}

.why-card:hover .why-icon {
  background-color: var(--primary-green);
  color: var(--white);
}

/* Who Section */
.who-section {
  background-color: #1A1D1A;
  color: var(--white);
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}

.who-card {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 40px 24px;
  border-radius: 20px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.who-card:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
}

.who-card i {
  font-size: 40px;
  color: var(--secondary-green);
  margin-bottom: 16px;
}

/* App Promo Section */
.app-promo {
  background-color: var(--light-bg);
}

.app-flex {
  display: flex;
  align-items: center;
  gap: 80px;
}

.app-content {
  flex: 1;
}

.app-content h2 {
  font-size: 44px;
  margin-bottom: 24px;
  color: var(--primary-green);
}

.app-features {
  margin: 32px 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  font-weight: 600;
}

.feature-item i {
  color: var(--primary-green);
  font-size: 20px;
}

.app-mockup {
  flex: 0.8;
  position: relative;
}

.mockup-img {
  width: 100%;
  border-radius: 40px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.15);
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.news-card {
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.news-card:hover {
  box-shadow: var(--shadow);
  transform: scale(1.02);
}

.news-img {
  height: 220px;
  background-size: cover;
  background-position: center;
}

.news-body {
  padding: 24px;
}

.news-meta {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-text);
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
}

.news-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--primary-green);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
}

.contact-card {
  padding: 40px;
  background-color: var(--surface-bg);
  border-radius: 24px;
  height: 100%;
}

.info-row {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}

.info-row i {
  width: 50px;
  height: 50px;
  background-color: var(--white);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-green);
  font-size: 20px;
  flex-shrink: 0;
}

.contact-form-box {
  background-color: var(--white);
  padding: 40px;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
}

.form-group input, .form-group textarea {
  width: 100%;
  padding: 14px 20px;
  border: 1.5px solid var(--border-color);
  border-radius: 12px;
  font-family: inherit;
  font-size: 15px;
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--primary-green);
  outline: none;
  background-color: var(--surface-bg);
}

/* Footer */
footer {
  background-color: var(--surface-bg);
  color: var(--dark-text);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-logo img {
  height: 48px;
  margin-bottom: 24px;
}

.footer-desc {
  color: var(--muted-text);
  font-size: 15px;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--border-color);
  color: var(--primary-green);
}

.social-links a:hover {
  background-color: var(--primary-green);
  color: var(--white);
  transform: translateY(-3px);
  border-color: var(--primary-green);
}

.footer-col h4 {
  color: var(--primary-green);
  margin-bottom: 24px;
  font-size: 18px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col a {
  color: var(--muted-text);
  font-size: 15px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary-green);
  padding-left: 5px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--muted-text);
}

/* Mobile Nav */
@media (max-width: 991px) {
  .hero h1 { font-size: 48px; }
  .app-flex { flex-direction: column; text-align: center; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .logo-container img { height: 40px; }
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-btns { flex-direction: column; }
  .top-bar .tagline { display: none; }
}