:root {
  --primary-color: #FF5A00; /* Vibrant Orange */
  --primary-hover: #E04E00;
  --secondary-bg: #FFF4ED;
  --text-dark: #111827;
  --text-muted: #4B5563;
  --text-light: #9CA3AF;
  --white: #FFFFFF;
  --border-color: #E5E7EB;
  --accent-yellow: #FFC700;
  --accent-blue: #2F80ED;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

h1 { font-size: 4rem; margin-bottom: 1.5rem; }
h2 { font-size: 3rem; margin-bottom: 1.25rem; }
h3 { font-size: 2rem; margin-bottom: 1rem; }
p { margin-bottom: 1rem; color: var(--text-muted); font-size: 1.125rem; }

/* Layout utility */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 6rem 0;
}

.bg-light {
  background-color: var(--secondary-bg);
}

.bg-dark {
  background-color: var(--text-dark);
  color: var(--white);
}

.bg-dark h1, .bg-dark h2, .bg-dark h3 {
  color: var(--white);
}

.bg-dark p {
  color: #D1D5DB;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-weight: 700;
  border-radius: 9999px; /* Pill shape for youthful vibe */
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 1.125rem;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 14px 0 rgba(255, 90, 0, 0.39);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 90, 0, 0.4);
}

.btn-secondary {
  background-color: var(--white);
  color: var(--text-dark);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--text-dark);
  color: var(--primary-color);
  transform: translateY(-2px);
}

.btn-large {
  padding: 1.25rem 2.5rem;
  font-size: 1.25rem;
}

/* Header & Navigation */
header {
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.05em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--primary-color);
  border-radius: 50%;
  display: inline-block;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-links a {
  font-weight: 600;
  color: var(--text-dark);
  font-size: 1.125rem;
}

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

/* Mobile Nav Styles */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  margin-bottom: 5px;
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  background-color: var(--white);
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  padding: 1.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-nav a {
  display: block;
  font-weight: 600;
  font-size: 1.25rem;
  padding: 0.5rem 0;
}

/* UI Components */
.card {
  background: var(--white);
  border-radius: 1rem;
  border: 2px solid var(--border-color);
  padding: 2.5rem;
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  border-color: var(--primary-color);
  transform: translateY(-8px);
  box-shadow: 0 20px 25px -5px rgba(255, 90, 0, 0.1);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4rem;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

/* Hero Section */
.hero {
  padding: 8rem 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--secondary-bg) 0%, #FFF 100%);
}

.hero-content h1 {
  line-height: 1;
}

.hero-content p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  border-radius: 1.5rem;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  border: 4px solid var(--text-dark);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  background-color: var(--text-dark);
  color: var(--accent-yellow);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Product Blocks */
.product-highlight {
  margin-bottom: 8rem;
}

.product-highlight:last-child {
  margin-bottom: 0;
}

.product-image {
  border-radius: 1rem;
  overflow: hidden;
  border: 2px solid var(--border-color);
  box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.1);
}

/* Footer */
footer {
  background-color: var(--text-dark);
  color: var(--white);
  padding: 6rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand .logo {
  color: var(--white);
  margin-bottom: 1.5rem;
}

.footer-brand p {
  color: #9CA3AF;
  font-size: 1.125rem;
}

.footer-heading {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  color: #9CA3AF;
  font-weight: 500;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #6B7280;
}

/* Check List Icons */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-dark);
}

.check-icon {
  width: 24px;
  height: 24px;
  background-color: var(--accent-blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.check-icon svg {
  width: 14px;
  height: 14px;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1.125rem;
  transition: var(--transition);
  background-color: #F9FAFB;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  background-color: var(--white);
}

textarea.form-control {
  min-height: 150px;
  resize: vertical;
}

/* Responsive */
@media (max-width: 992px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 3rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 4rem 0; text-align: center; }
  .hero-content p { margin: 0 auto 2rem; }
  .hero-buttons { justify-content: center; }
  .product-highlight:nth-child(even) .grid-2 { direction: rtl; }
  .product-highlight:nth-child(even) .product-info { direction: ltr; }
}

@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .grid-3 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}