:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #60a5fa;
  --primary-rgb: 37, 99, 235;
  --accent: #f59e0b;
  --accent-rgb: 245, 158, 11;
  --dark: #0f172a;
  --dark-soft: #1e293b;
  --light: #ffffff;
  --light-gray: #f8fafc;
  --muted: #64748b;
  --section-space: 6rem;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--dark);
  background-color: var(--light);
  scroll-behavior: smooth;
  line-height: 1.6;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--light);
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: 0.75rem;
  transition: all 0.3s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -10px rgba(var(--primary-rgb), 0.6);
}

.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background-color: var(--primary);
  color: var(--light);
}

.section-padding {
  padding: var(--section-space) 0;
}

.section-header .section-eyebrow {
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.8rem;
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1) 0%, rgba(var(--accent-rgb), 0.1) 100%);
  border-radius: 2rem;
  border: 2px solid rgba(var(--primary-rgb), 0.2);
}

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  color: var(--light);
  overflow: hidden;
  min-height: 85vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(var(--primary-rgb), 0.15) 100%);
  clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero .hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.08;
  filter: saturate(0.5) brightness(0.4);
  mix-blend-mode: overlay;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 50%, rgba(var(--primary-rgb), 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero .product-shot {
  max-width: 420px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-radius: 2rem;
  padding: 2.5rem;
  box-shadow: 
    0 50px 100px -40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  border: 3px solid rgba(var(--accent-rgb), 0.3);
  transform: rotate(2deg);
  transition: transform 0.3s ease;
}

.hero .product-shot:hover {
  transform: rotate(0deg) scale(1.02);
}

.hero .product-shot img {
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.2));
}

.feature-card,
.pricing-card,
.testimonial-card,
.ingredient-card {
  background: var(--light);
  border-radius: 1.5rem;
  padding: 2.5rem;
  border: 2px solid transparent;
  background-clip: padding-box;
  box-shadow: 
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card:hover,
.pricing-card:hover,
.testimonial-card:hover,
.ingredient-card:hover {
  border-color: rgba(var(--primary-rgb), 0.2);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04),
    0 0 0 3px rgba(var(--primary-rgb), 0.05);
  transform: translateY(-4px);
}

.icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1) 0%, rgba(var(--accent-rgb), 0.1) 100%);
  display: grid;
  place-items: center;
  color: var(--primary);
  font-size: 1.75rem;
  border: 2px solid rgba(var(--primary-rgb), 0.2);
  transition: all 0.3s ease;
}

.icon-circle:hover {
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2) 0%, rgba(var(--accent-rgb), 0.2) 100%);
  transform: scale(1.1) rotate(5deg);
}

.icon-circle svg {
  width: 32px;
  height: 32px;
}

.icon-large {
  width: 88px;
  height: 88px;
  font-size: 2rem;
}

.ingredient-card .ingredient-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
  border: 3px solid rgba(var(--primary-rgb), 0.1);
}

.testimonial-card {
  border-left: 4px solid var(--accent);
  background: linear-gradient(135deg, var(--light) 0%, var(--light-gray) 100%);
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 6rem;
  color: rgba(var(--primary-rgb), 0.08);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-card .stars {
  color: #ffb400;
  letter-spacing: 0.2rem;
  font-size: 1.25rem;
}

.pricing-card.featured {
  border: 2px solid var(--primary);
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.03) 0%, rgba(var(--accent-rgb), 0.03) 100%);
  position: relative;
  overflow: hidden;
}

.pricing-card.featured::after {
  content: 'POPULAR';
  position: absolute;
  top: 1.5rem;
  right: -2rem;
  background: linear-gradient(135deg, var(--accent) 0%, #ea580c 100%);
  color: white;
  padding: 0.25rem 2.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transform: rotate(45deg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.cta-final {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 50%, var(--dark) 100%);
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(var(--primary-rgb), 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(var(--accent-rgb), 0.15) 0%, transparent 50%),
    linear-gradient(135deg, var(--dark) 0%, var(--dark-soft) 100%);
  background-size: cover;
  background-position: center;
}

.cta-final::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="1" cy="1" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
  opacity: 0.4;
}

.cta-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(var(--primary-rgb), 0.1) 0%, transparent 70%);
}

.cta-final .container {
  position: relative;
  z-index: 1;
}

.cta-eyebrow {
  display: inline-block;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 1rem;
  padding: 0.5rem 1.25rem;
  background: rgba(var(--accent-rgb), 0.15);
  border-radius: 2rem;
  border: 2px solid rgba(var(--accent-rgb), 0.3);
}

.text-white-75 {
  color: rgba(255, 255, 255, 0.75) !important;
}

.cta-metrics {
  display: grid;
  gap: 1.25rem;
}

.metric-card {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: 1.5rem;
  padding: 2rem;
  backdrop-filter: blur(16px);
  box-shadow: 
    0 10px 30px -10px rgba(0, 0, 0, 0.5),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.metric-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(var(--primary-rgb), 0.4);
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px -10px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 0 rgba(255, 255, 255, 0.15);
}

.metric-value {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
}

.metric-label {
  display: block;
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.7);
}

.metric-accent {
  color: var(--primary);
}

@media (min-width: 576px) {
  .cta-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 992px) {
  .cta-metrics {
    grid-template-columns: 1fr;
  }
}

.footer-links a {
  transition: color 0.2s ease;
}

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

.site-footer {
  background: linear-gradient(135deg, var(--dark) 0%, #0a0f1a 100%);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(var(--primary-rgb), 0.5) 20%, 
    rgba(var(--accent-rgb), 0.5) 50%, 
    rgba(var(--primary-rgb), 0.5) 80%, 
    transparent 100%);
}

.site-footer ::selection {
  background: rgba(var(--primary-rgb), 0.4);
}

.footer-brand {
  letter-spacing: 0.08em;
}

.brand-icon {
  width: 22px;
  height: 22px;
  display: inline-block;
  vertical-align: -3px;
}

.footer-heading {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s ease;
}

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

.footer-social {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-social:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.footer-form .form-control {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.footer-form .form-control::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.footer-form .form-control:focus {
  background: rgba(255, 255, 255, 0.16);
  color: #ffffff;
  box-shadow: 0 0 0 0.25rem rgba(var(--primary-rgb), 0.25);
}

.footer-form .btn {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

@media (max-width: 575.98px) {
  .footer-form .input-group {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .footer-form .form-control,
  .footer-form .btn {
    border-radius: 0.75rem !important;
    width: 100%;
  }

  .footer-form .btn {
    border-top-left-radius: 0.75rem !important;
  }
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.product-shot-lg img {
  max-width: 420px;
}

.ingredient-tile {
  background: var(--light);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid rgba(34, 34, 34, 0.07);
  box-shadow: 0 15px 40px -30px rgba(34, 34, 34, 0.45);
}

.nutrition-table th {
  width: 70%;
  font-weight: 600;
}

.order-summary {
  background: var(--light);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid rgba(34, 34, 34, 0.06);
  box-shadow: 0 20px 60px -45px rgba(34, 34, 34, 0.6);
}

.summary-img {
  width: 110px;
  height: auto;
}

.card-option {
  border: 1px solid rgba(34, 34, 34, 0.1);
  border-radius: 1rem;
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.card-option input {
  margin-top: 0.3rem;
}

.card-option.is-active {
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.08);
}

.billing-fields {
  display: none;
  border: 1px solid rgba(34, 34, 34, 0.08);
  border-radius: 1.25rem;
  padding: 1.75rem;
  background: rgba(var(--primary-rgb), 0.05);
}

.billing-fields.is-active {
  display: block;
}

.billing-fields h3 {
  margin-bottom: 0.5rem;
}

.billing-fields p {
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(var(--primary-rgb), 0.1);
  color: #7a2e13;
  border-color: rgba(var(--primary-rgb), 0.35);
}

.alert-danger {
  background: rgba(255, 77, 79, 0.1);
  color: #872020;
  border-color: rgba(255, 77, 79, 0.3);
}

.thankyou-card {
  max-width: 540px;
}

.navbar {
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95) !important;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar-brand {
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 1.25rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-link {
  color: var(--dark);
  font-weight: 600;
  font-size: 0.95rem;
  position: relative;
  padding: 0.5rem 1rem !important;
  transition: all 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link:focus::after,
.nav-link.active::after {
  width: 80%;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
  color: var(--primary);
}

/* Trust badges in hero */
.trust-badges {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.625rem 1.25rem;
  border-radius: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.badge-item:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.badge-item .bi {
  color: var(--accent);
  font-size: 1.125rem;
}

/* How it works */
.steps-grid {
  display: grid;
  gap: 2rem;
  position: relative;
}

@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .steps-grid::before {
    content: '';
    position: absolute;
    top: 3rem;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, 
      var(--primary) 0%, 
      var(--primary) 33%, 
      var(--accent) 33%, 
      var(--accent) 66%, 
      var(--primary) 66%, 
      var(--primary) 100%);
    z-index: 0;
  }
}

.step-card {
  background: var(--light);
  border: 2px solid rgba(var(--primary-rgb), 0.15);
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.step-card:hover {
  border-color: var(--primary);
  transform: translateY(-8px) scale(1.03);
  box-shadow: 
    0 25px 50px -12px rgba(var(--primary-rgb), 0.25);
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--light);
  display: inline-grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 10px 20px -10px rgba(var(--primary-rgb), 0.6);
}

/* Comparison section */
.compare-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 992px) {
  .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.compare-card {
  background: var(--light);
  border: 2px solid rgba(var(--primary-rgb), 0.1);
  border-radius: 1.5rem;
  padding: 2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.compare-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.compare-card:hover::before {
  transform: translateX(0);
}

.compare-card:hover {
  border-color: var(--primary);
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  transform: translateY(-4px);
}

.compare-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

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

.compare-list .bi-check2 {
  color: var(--primary);
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.compare-list .bi-x {
  color: #dc2626;
  font-size: 1.25rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

@media (max-width: 992px) {
  :root {
    --section-space: 4rem;
  }

  .order-summary {
    position: static !important;
  }
}

@media (max-width: 768px) {
  .hero {
    text-align: center;
  }

  .hero .list-unstyled {
    justify-content: center;
  }

  .product-shot {
    margin-top: 2rem;
  }
}

@media (max-width: 480px) {
  :root {
    --section-space: 3.5rem;
  }

  .feature-card,
  .pricing-card,
  .testimonial-card,
  .ingredient-card,
  .ingredient-tile,
  .order-summary {
    padding: 1.5rem;
  }

  .card-option {
    padding: 1rem;
  }
}

@media (max-width: 320px) {
  .btn,
  .btn-lg {
    width: 100%;
  }

  .hero .list-unstyled {
    gap: 0.75rem;
  }
}