/**
 * ArthroNova – Quiz Funnel España
 * Sistema de diseño para sitio web de cuestionario sobre dolor articular
 */

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colori brand */
  --color-primary: #1a3d2e;
  --color-primary-light: #245c44;
  --color-accent: #f5b731;
  --color-accent-hover: #e5a821;
  --color-success: #22c55e;
  --color-error: #ef4444;
  
  /* Sfondo */
  --color-bg: #f5f5f5;
  --color-bg-dark: #1a3d2e;
  --color-bg-card: #ffffff;
  
  /* Testo */
  --color-text: #1a2e28;
  --color-text-muted: #5a6b65;
  --color-text-light: #8a9a94;
  --color-text-on-dark: #ffffff;
  --color-text-on-dark-muted: rgba(255, 255, 255, 0.8);
  
  /* UI */
  --color-border: #e5e5e5;
  --color-border-strong: #d4d4d4;
  
  /* Ombre */
  --shadow-sm: 0 1px 3px rgba(26, 74, 58, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 74, 58, 0.1);
  --shadow-lg: 0 8px 24px rgba(26, 74, 58, 0.12);
  --shadow-xl: 0 16px 40px rgba(26, 74, 58, 0.15);
  
  /* Bordi */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Font */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Poppins', var(--font-sans);
  
  /* Contenitore */
  --container-max: 680px;
  --container-padding: 1.25rem;
}

@media (min-width: 768px) {
  :root {
    --container-padding: 2rem;
  }
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ---- Layout ---- */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* ---- Header ---- */
.site-header {
  background: var(--color-bg-dark);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--color-text-on-dark);
  letter-spacing: -0.02em;
}

.logo span {
  color: var(--color-accent);
}

.progress-bar {
  flex: 1;
  max-width: 200px;
  margin-left: 1.5rem;
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
  box-shadow: 0 0 8px rgba(245, 183, 49, 0.5);
}

.step-indicator {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
  font-weight: 500;
}

/* ---- Quiz Container ---- */
.quiz-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2rem var(--container-padding) 3rem;
}

.quiz-card {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
}

@media (min-width: 768px) {
  .quiz-card {
    padding: 3rem 2.5rem;
  }
}

/* ---- Question ---- */
.question-number {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.question-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .question-title {
    font-size: 1.75rem;
  }
}

/* ---- Answer Options ---- */
.answers-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.answer-option {
  position: relative;
}

.answer-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.answer-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.answer-label:hover {
  border-color: var(--color-accent);
  background: #fffef5;
}

.answer-option input:checked + .answer-label {
  border-color: var(--color-accent);
  background: #fef9e7;
}

.answer-option input:focus + .answer-label {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.answer-icon {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border-strong);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.answer-option input:checked + .answer-label .answer-icon {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.answer-option input:checked + .answer-label .answer-icon::after {
  content: '';
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}

.answer-text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ---- Navigation Buttons ---- */
.quiz-nav {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  transition: all 0.2s ease;
  min-height: 52px;
}

.btn-back {
  background: transparent;
  color: var(--color-text-muted);
  border: 2px solid var(--color-border);
}

.btn-back:hover {
  border-color: var(--color-text-muted);
  color: var(--color-text);
}

.btn-next {
  flex: 1;
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
  font-weight: 700;
}

.btn-next:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-lg);
}

.btn-next:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
}

/* ---- Hero Section (Landing) ---- */
.hero {
  background: var(--color-bg-dark);
  padding: 3rem var(--container-padding) 4rem;
  text-align: center;
}

@media (min-width: 768px) {
  .hero {
    padding: 5rem var(--container-padding) 6rem;
  }
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-on-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1.125rem 2.5rem;
  background: var(--color-accent);
  color: var(--color-primary);
  font-size: 1.0625rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: 0 4px 20px rgba(245, 183, 49, 0.4);
  transition: all 0.2s ease;
}

.hero-cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(245, 183, 49, 0.5);
}

.hero-cta svg {
  width: 20px;
  height: 20px;
}

/* ---- Features ---- */
.features {
  padding: 4rem var(--container-padding);
  background: var(--color-bg-card);
}

.features-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.features-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 600px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-item {
  text-align: center;
  padding: 1.5rem 1rem;
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  border: 2px solid var(--color-border);
  transition: all 0.2s ease;
}

.feature-item:hover {
  border-color: var(--color-accent);
}

.feature-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.feature-title {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---- Checkout Page ---- */
.checkout-hero {
  background: var(--color-bg-dark);
  padding: 2rem var(--container-padding);
  text-align: center;
}

.checkout-hero-inner {
  max-width: 800px;
  margin: 0 auto;
}

.checkout-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.checkout-hero-badge svg {
  width: 16px;
  height: 16px;
}

.checkout-hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: 0.5rem;
}

.checkout-hero-subtitle {
  font-size: 0.9375rem;
  color: var(--color-text-on-dark-muted);
}

.checkout-section {
  padding: 2rem var(--container-padding) 3rem;
  background: var(--color-bg);
}

.checkout-inner {
  max-width: 900px;
  margin: 0 auto;
}

.checkout-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .checkout-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

.checkout-product-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
}

.product-card-main {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.product-header {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* Ingredients Card */
.ingredients-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 2px solid var(--color-border);
}

.ingredients-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ingredients-title svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

.ingredients-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ingredient-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  background: var(--color-bg);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.ingredient-tag svg {
  width: 14px;
  height: 14px;
  color: var(--color-accent);
}

/* Trust Card */
.trust-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 2px solid var(--color-border);
}

.trust-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.trust-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* Order Summary */
.order-summary {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-top: 1.5rem;
}

.order-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
}

.order-line-label {
  color: var(--color-text-muted);
}

.order-line-value {
  font-weight: 500;
  color: var(--color-text);
}

.order-line-total {
  border-top: 2px solid var(--color-border);
  margin-top: 0.5rem;
  padding-top: 0.75rem;
}

.order-line-total .order-line-label {
  font-weight: 600;
  color: var(--color-text);
}

.order-line-total .order-line-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.product-image {
  width: 80px;
  height: 80px;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.product-image svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
}

.product-image--photo {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.product-image--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h2 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.product-desc {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.price-current {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-primary);
}

.price-old {
  font-size: 1rem;
  color: var(--color-text-light);
  text-decoration: line-through;
}

.price-save {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-success);
  background: rgba(34, 197, 94, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.benefits-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text);
}

.benefits-list svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ---- Form ---- */
.checkout-form-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.checkout-form {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
}

.form-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
}

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

.form-input::placeholder {
  color: var(--color-text-light);
}

/* Card Input Validation States */
.form-input.input-valid {
  border-color: var(--color-success);
  background: rgba(34, 197, 94, 0.03);
}

.form-input.input-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

.form-input.input-invalid {
  border-color: var(--color-error);
  background: rgba(239, 68, 68, 0.03);
}

.form-input.input-invalid:focus {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

.field-error {
  display: block;
  font-size: 0.75rem;
  color: var(--color-error);
  margin-top: 0.375rem;
  min-height: 1rem;
  line-height: 1.2;
}

/* Card icon highlighting */
.card-icon {
  transition: opacity 0.2s ease;
}

.form-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 500px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-submit {
  width: 100%;
  margin-top: 1rem;
}

.secure-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

.secure-note svg {
  width: 16px;
  height: 16px;
}

/* ---- Payment Method Selection ---- */
.payment-method-section {
  margin-top: 1.5rem;
}

.payment-method-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.payment-methods {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.payment-method-option {
  cursor: pointer;
}

.payment-method-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.payment-method-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.payment-method-content:hover {
  border-color: var(--color-accent);
}

.payment-method-option input:checked + .payment-method-content {
  border-color: var(--color-accent);
  background: #fef9e7;
}

.payment-method-radio {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border-strong);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: all 0.2s ease;
}

.payment-method-option input:checked + .payment-method-content .payment-method-radio {
  border-color: var(--color-accent);
  background: var(--color-accent);
}

.payment-method-option input:checked + .payment-method-content .payment-method-radio::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}

.payment-method-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  gap: 0.75rem;
}

.payment-method-name {
  font-weight: 500;
  color: var(--color-text);
}

.payment-method-icons {
  display: flex;
  gap: 4px;
}

.payment-method-icons .card-icon {
  width: 36px;
  height: 22px;
}

.paypal-logo {
  height: 20px;
  width: auto;
}

/* ---- Card Payment Section ---- */
.card-payment-section {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1rem;
  border: 2px solid var(--color-border);
}

/* ---- PayPal Payment Section ---- */
.paypal-payment-section {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1rem;
  border: 2px solid var(--color-border);
}

.paypal-info {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--color-text-muted);
}

.paypal-info-icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.paypal-info p {
  font-size: 0.9375rem;
  line-height: 1.5;
  margin: 0;
}

/* ---- Security Badges ---- */
.security-badges {
  display: flex;
  justify-content: center;
  margin-top: 0.75rem;
}

.security-badges-img {
  max-width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
}

.card-input-wrapper {
  position: relative;
}

.card-number-input {
  padding-right: 80px;
}

.card-icons {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 4px;
}

.card-icon {
  width: 32px;
  height: 20px;
}

.cvv-input-wrapper {
  position: relative;
}

.cvv-input-wrapper .form-input {
  padding-right: 40px;
}

.cvv-help-icon {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-light);
  cursor: help;
}

.card-payment-section .form-group {
  margin-bottom: 1rem;
}

.card-payment-section .form-group:last-child {
  margin-bottom: 0;
}

/* ---- Thank You Page ---- */
.thankyou-section {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem var(--container-padding);
  text-align: center;
}

.thankyou-card {
  max-width: 500px;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  box-shadow: var(--shadow-lg);
}

.thankyou-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.thankyou-icon svg {
  width: 40px;
  height: 40px;
}

.thankyou-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.thankyou-text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.order-number {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-bg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
}

/* ---- Legal Pages ---- */
.legal-section {
  padding: 2rem var(--container-padding) 4rem;
}

.legal-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .legal-inner {
    padding: 3rem 2.5rem;
  }
}

.legal-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.legal-updated {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
  margin: 2rem 0 1rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.legal-content ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
  color: var(--color-text-muted);
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

.legal-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-bg-dark);
  padding: 2rem var(--container-padding);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--color-text-on-dark);
}

.footer-copy {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---- Trust Badges ---- */
.trust-badges {
  background: var(--color-bg-dark);
  padding: 1.5rem var(--container-padding);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.trust-badges-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem 2.5rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-on-dark-muted);
  font-size: 0.8125rem;
  font-weight: 500;
}

.trust-badge svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
}

/* ---- How It Works ---- */
.how-it-works {
  padding: 4rem var(--container-padding);
  background: var(--color-bg);
}

.how-it-works-inner {
  max-width: 900px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-accent);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 700px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

.step-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--color-border);
  position: relative;
  transition: all 0.2s ease;
}

.step-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  width: 56px;
  height: 56px;
  margin: 0.5rem auto 1rem;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.step-icon svg {
  width: 28px;
  height: 28px;
}

.step-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---- Stats Section ---- */
.stats-section {
  background: var(--color-bg-dark);
  padding: 3rem var(--container-padding);
}

.stats-inner {
  max-width: 900px;
  margin: 0 auto;
}

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

@media (min-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-item {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-on-dark-muted);
}

/* ---- Testimonials ---- */
.testimonials {
  padding: 4rem var(--container-padding);
  background: var(--color-bg);
}

.testimonials-inner {
  max-width: 900px;
  margin: 0 auto;
}

.testimonials-grid {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 700px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.testimonial-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.testimonial-stars svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.testimonial-text {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-info {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.testimonial-location {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ---- Final CTA ---- */
.final-cta {
  padding: 4rem var(--container-padding);
  background: var(--color-bg);
  text-align: center;
}

.final-cta-inner {
  max-width: var(--container-max);
  margin: 0 auto;
}

.final-cta-box {
  background: var(--color-bg-dark);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
}

.final-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 1.875rem);
  font-weight: 700;
  color: var(--color-text-on-dark);
  margin-bottom: 1rem;
}

.final-cta-text {
  font-size: 1rem;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta .hero-cta {
  font-size: 1rem;
}

/* ---- Reviews Card (Checkout) ---- */
.reviews-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  border: 2px solid var(--color-border);
}

.reviews-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.review-item {
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.review-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.review-item:first-of-type {
  padding-top: 0;
}

.review-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.review-stars {
  display: flex;
  gap: 2px;
  color: var(--color-accent);
}

.review-stars svg {
  width: 14px;
  height: 14px;
}

.review-stars .star-empty {
  color: var(--color-border-strong);
}

.review-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.review-text {
  font-size: 0.8125rem;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.review-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text);
}

.review-verified {
  font-size: 0.6875rem;
  color: var(--color-success);
  background: rgba(34, 197, 94, 0.1);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
}

/* ---- Contact Page ---- */
.contact-cards {
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
}

@media (min-width: 600px) {
  .contact-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.contact-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.2s ease;
}

.contact-card:hover {
  border-color: var(--color-accent);
}

.contact-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.contact-icon svg {
  width: 24px;
  height: 24px;
}

.contact-card h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.contact-card p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.contact-card a {
  color: var(--color-primary);
  font-weight: 500;
}

.contact-card a:hover {
  text-decoration: underline;
}

.contact-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.faq-item {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.faq-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.faq-item p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

/* ---- Medical Disclaimer ---- */
.medical-disclaimer {
  background: #fef3cd;
  border: 1px solid #ffc107;
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-top: 1.5rem;
}

.disclaimer-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.disclaimer-icon {
  width: 24px;
  height: 24px;
  color: #856404;
  flex-shrink: 0;
  margin-top: 2px;
}

.disclaimer-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: #856404;
}

.disclaimer-text {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #664d03;
  margin: 0;
  padding-left: 2.25rem;
}

/* ---- Stats Page ---- */
.stats-card {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--color-border);
  text-align: center;
}

@media (min-width: 768px) {
  .stats-card {
    padding: 3rem 2.5rem;
  }
}

.stats-header {
  margin-bottom: 2rem;
}

.stats-icon-wrapper {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.25rem;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.stats-icon-wrapper svg {
  width: 36px;
  height: 36px;
}

.stats-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.stats-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 400px;
  margin: 0 auto;
}

.stats-grid {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

@media (min-width: 600px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.stat-card {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1rem;
  transition: all 0.2s ease;
}

.stat-card:hover {
  border-color: var(--color-accent);
}

.stat-card .stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.stat-card .stat-suffix {
  font-size: 0.75em;
  color: var(--color-accent);
}

.stat-card .stat-label {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.stats-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem;
  background: rgba(245, 183, 49, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: 2rem;
}

.stats-message svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

.stats-message p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

.stats-message strong {
  color: var(--color-text);
}

.stats-nav {
  display: flex;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.stats-nav .btn-next {
  flex: 1;
}

/* ---- Utilities ---- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

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