/**
 * prototypes/proto.css
 * Shared stylesheet for Dr. Roosvelt Rojas Landing Page Prototypes
 * Mobile-first architecture (360px to 1440px)
 * No frameworks, pure CSS with custom properties
 */

/* ========================================================
   1. CSS Reset & Typography Base
   ======================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  min-width: 360px;
  max-width: 100vw;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  margin-bottom: var(--space-md);
}

h2 {
  font-size: clamp(1.6rem, 3.8vw, 2.35rem);
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-md);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  padding-left: 1.25rem;
  margin-bottom: var(--space-md);
}

li {
  margin-bottom: 0.35rem;
}

/* ========================================================
   2. Layout Utilities & Containers
   ======================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-2xl);
}

.section-muted {
  background-color: var(--color-bg-muted);
}

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

.section-dark h2,
.section-dark h3 {
  color: var(--color-accent);
}

.section-dark p {
  color: var(--color-text-light);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-header p {
  color: var(--color-text-light-muted);
}

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary-text);
  margin-bottom: var(--space-xs);
}

.section-dark .eyebrow {
  color: var(--color-accent);
}

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

/* Grids */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 680px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ========================================================
   3. Pending Data Placeholder Convention
   ======================================================== */
.pending {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  background-color: var(--color-pending-bg);
  border: 1px dashed var(--color-pending-border);
  color: var(--color-pending-text);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  text-decoration: none;
  vertical-align: middle;
}

.pending::before {
  content: "✎";
  font-size: 0.85em;
  opacity: 0.8;
}

/* Portrait Placeholder Block */
.portrait-box {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.portrait-monogram {
  width: 100%;
  max-width: 280px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg-muted));
  border: 2px dashed var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  position: relative;
  overflow: hidden;
}

.monogram-svg {
  width: 140px;
  height: 140px;
}

.portrait-caption {
  font-size: 0.85rem;
}

/* ========================================================
   4. Buttons & Interactive Controls
   ======================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--color-secondary-text);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

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

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

/* WhatsApp Strict Contrast Pairs:
   1) White text on #075E54 (7.67:1)
   2) #0B2B1A text on #25D366 (7.70:1)
   NEVER white text on #25D366 (1.98:1 FAIL) */
.btn-whatsapp {
  background-color: var(--color-wa-teal-bg);
  color: var(--color-wa-teal-text);
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp:hover {
  background-color: #054840;
  color: #FFFFFF;
}

.btn-whatsapp-green {
  background-color: var(--color-wa-green-bg);
  color: var(--color-wa-green-text);
  box-shadow: var(--shadow-sm);
}

.btn-whatsapp-green:hover {
  background-color: #1EBD5A;
  color: #0B2B1A;
}

.btn-paypal {
  background-color: #0070BA;
  color: #FFFFFF;
}

.btn-paypal:hover {
  background-color: #005EA6;
  color: #FFFFFF;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

/* ========================================================
   5. Site Header & Brand Lockup
   ======================================================== */
.site-header {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 900;
  min-height: 72px;
  padding: 0.75rem 1.5rem;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 48px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
  transition: opacity var(--transition-fast);
}

.brand-link:hover,
.brand-link:focus-visible {
  opacity: 0.9;
}

.brand-icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 50%;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.brand-tagline {
  font-family: var(--font-body);
  font-size: 0.70rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-secondary-text);
  margin-top: 3px;
}

.site-footer .brand-link {
  margin-bottom: 0.75rem;
}

.site-footer .brand-name {
  color: var(--color-text-light);
  font-size: 1.35rem;
}

.site-footer .brand-tagline {
  color: var(--color-accent);
}

.site-logo {
  height: 48px;
  max-height: 48px;
  width: auto;
  object-fit: contain;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.lang-toggle-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--color-text-main);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-fast);
  min-height: 38px;
}

.lang-toggle-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: #FFFFFF;
  transform: translateY(-1px);
}

.header-phone {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-main);
  text-decoration: none;
  display: none;
}

@media (min-width: 640px) {
  .header-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
  }
}

/* ========================================================
   5b. Atmospheric Hero Sections & Executive Practitioner Card
   ======================================================== */
.hero {
  position: relative;
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  background: radial-gradient(circle at 80% 20%, rgba(53, 114, 121, 0.12) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(224, 169, 109, 0.1) 0%, transparent 40%),
              var(--color-bg-light);
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: rgba(14, 59, 67, 0.08);
  border: 1px solid rgba(14, 59, 67, 0.18);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.hero-badge-star {
  color: var(--color-secondary-text);
  font-size: 0.95rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.hero-highlight {
  color: var(--color-secondary-text);
  position: relative;
}

[data-theme="c1"] .hero-highlight { color: #8F5724; }
[data-theme="c2"] .hero-highlight { color: #9F6322; }
[data-theme="c3"] .hero-highlight { color: #A86021; }

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 620px;
}

/* Trust micro-copy under hero CTAs */
.hero-cta-trust {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
  margin-top: calc(-1 * var(--space-xs));
  margin-bottom: var(--space-md);
}

.hero-cta-trust.is-centered {
  justify-content: center;
  text-align: center;
}

.trust-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: var(--radius-full);
  background-color: rgba(37, 211, 102, 0.16);
  color: #0E6B38;
  font-weight: 800;
  font-size: 0.8rem;
  flex-shrink: 0;
  line-height: 1;
}

/* Executive Practitioner Card in Hero */
.hero-portrait-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.1), 0 0 0 1px rgba(0, 0, 0, 0.02);
  text-align: center;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.hero-portrait-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 48px -15px rgba(0, 0, 0, 0.14);
}

.hero-portrait-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1rem;
}

.hero-portrait-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-accent);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  background-color: #FFFFFF;
}

.hero-portrait-seal {
  width: 130px;
  height: 130px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-bg-light) 0%, var(--color-bg-muted) 100%);
  border: 2px solid var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  position: relative;
}

.hero-portrait-seal svg {
  width: 76px;
  height: 76px;
}

.hero-portrait-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.hero-credentials-ribbon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-secondary-text);
  background: var(--color-bg-muted);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.hero-location-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.hero-portrait-quote {
  font-style: italic;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-text-main);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: var(--space-xs);
}

/* ========================================================
   6. Cards, Badges, and Content Modules
   ======================================================== */
.card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-highlight {
  border: 2px solid var(--color-primary);
  position: relative;
}

.card-badge {
  position: absolute;
  top: -12px;
  right: var(--space-lg);
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.price-tag {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin: var(--space-sm) 0;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.price-tag .currency {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ========================================================
   Two-Step Pricing Ladder
   ======================================================== */
.pricing-ladder {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: stretch;
}

@media (min-width: 768px) {
  .pricing-ladder {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

.ladder-step {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.ladder-step:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Step 1: Distinct Free Diagnostic Intake Highlight */
.ladder-step-1 {
  border: 2px solid #25D366;
  background: linear-gradient(180deg, rgba(37, 211, 102, 0.05) 0%, var(--color-bg-card) 60%);
}

/* Step 2: In-Office Clinical Session Highlight */
.ladder-step-2 {
  border: 2px solid var(--color-primary);
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg-card) 60%);
}

/* Small Pill Badges */
.ladder-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  align-self: flex-start;
  line-height: 1.2;
}

.ladder-badge-free {
  background-color: #E8F8EE;
  color: #0E6B38;
  border: 1px solid #A3E4B8;
}

.ladder-badge-session {
  background-color: var(--color-primary);
  color: #FFFFFF;
  border: 1px solid var(--color-primary);
}

.ladder-title {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  margin-bottom: var(--space-xs);
  color: var(--color-primary);
  line-height: 1.25;
}

.ladder-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: var(--space-md);
}

.ladder-features {
  list-style: none;
  padding: 0;
  margin: var(--space-sm) 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex-grow: 1;
}

.ladder-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--color-text-main);
  padding: 0;
  margin: 0;
}

.ladder-features .check {
  font-weight: 800;
  flex-shrink: 0;
  color: #0E6B38;
}

.ladder-step-2 .ladder-features .check {
  color: var(--color-primary);
}

.ladder-action {
  margin-top: auto;
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.ladder-micro-note {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.35;
}

/* Gift Card Promo Block */
.gift-promo-card {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-bg-card));
  border: 2px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.gift-promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--color-secondary-text);
  color: #FFFFFF;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

/* Payment Methods Grid */
.payment-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.payment-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Methodology Steps (Layout B) */
.step-item {
  position: relative;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

/* Accordion FAQ (Native Details) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.faq-item {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-summary {
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  min-height: 48px;
  color: var(--color-primary);
}

.faq-summary::-webkit-details-marker {
  display: none;
}

.faq-summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--color-secondary-text);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-content {
  padding: 0 var(--space-lg) var(--space-md);
  color: var(--color-text-main);
  border-top: 1px solid var(--color-border);
  margin-top: 0.25rem;
  padding-top: var(--space-sm);
}

/* Impact Metrics (Layout C) */
.metric-card {
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.metric-num {
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2xs);
}

.metric-label {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ========================================================
   7. Sticky WhatsApp Button & Floating Theme Switcher
   ======================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 20px;
  right: 16px;
  z-index: 990;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  background-color: var(--color-wa-teal-bg);
  color: var(--color-wa-teal-text);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.floating-whatsapp:hover {
  background-color: #054840;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.floating-whatsapp svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Theme Switcher Bar */
.theme-switcher-bar {
  position: fixed;
  bottom: 20px;
  left: 16px;
  z-index: 985;
  background-color: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  padding: 4px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.theme-switcher-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-muted);
  padding: 0 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: none;
}

@media (min-width: 480px) {
  .theme-switcher-label {
    display: inline;
  }
}

.theme-switcher-btn {
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-main);
  padding: 6px 12px;
  min-height: 40px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.theme-switcher-btn:hover {
  background-color: var(--color-bg-muted);
}

.theme-switcher-btn.active {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* Layout prototypes link switcher */
.proto-nav-bar {
  background-color: var(--color-bg-muted);
  border-bottom: 1px solid var(--color-border);
  padding: 6px 0;
  font-size: 0.82rem;
}

.proto-nav-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.proto-nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.proto-nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.proto-nav-link:hover {
  color: var(--color-primary);
  background-color: var(--color-bg-light);
}

.proto-nav-link.active {
  color: var(--color-primary);
  font-weight: 700;
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
}

.proto-nav-lang {
  display: flex;
  align-items: center;
}

.nav-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  color: var(--color-text-main);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

.nav-lang-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.proto-lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.proto-lang-btn:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* ========================================================
   8. Footer & Legal Disclaimer
   ======================================================== */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding-top: var(--space-2xl);
  padding-bottom: var(--space-3xl);
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--color-border-dark);
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .footer-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer-brand {
  max-width: 380px;
}

.footer-logo {
  height: 52px;
  max-height: 52px;
  width: auto;
  object-fit: contain;
  margin-bottom: var(--space-sm);
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--color-text-light-muted);
}

.footer-contact h4 {
  color: var(--color-accent);
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}

.footer-contact p,
.footer-contact a {
  color: var(--color-text-light);
  font-size: 0.95rem;
  text-decoration: none;
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-disclaimer-box {
  background-color: var(--color-bg-dark-card);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-disclaimer-text {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-light-muted);
  text-align: center;
  margin: 0;
}

.footer-bottom {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-text-light-muted);
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--space-md);
}

/* ========================================================
   9. Mobile Adjustments (360px)
   ======================================================== */
@media (max-width: 479px) {
  .floating-whatsapp {
    padding: 0.65rem 0.9rem;
    font-size: 0.85rem;
    bottom: 12px;
    right: 12px;
  }
  .floating-whatsapp span {
    display: none;
  }
  .theme-switcher-bar {
    bottom: 12px;
    left: 12px;
    padding: 2px 4px;
  }
  .theme-switcher-btn {
    padding: 4px 8px;
    font-size: 0.75rem;
    min-height: 36px;
  }
}

/* ========================================================
   10. Modality Clusters, Dual-Track & Manifesto Quotes
   ======================================================== */
.manifesto-quote-box {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), var(--color-bg-card));
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-xl);
  box-shadow: var(--shadow-md);
  position: relative;
  margin: var(--space-xl) 0;
}

.manifesto-quote-lead {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2.5vw, 1.55rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.35;
  margin-bottom: var(--space-sm);
}

.manifesto-quote-body {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-main);
  margin-bottom: var(--space-md);
}

.manifesto-quote-highlight {
  font-weight: 700;
  color: var(--color-secondary-text);
}

.manifesto-quote-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
}

.manifesto-author {
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.manifesto-motto {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-secondary-text);
}

/* Dual-Track Section (Layout B) */
.track-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

@media (min-width: 768px) {
  .track-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.track-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.track-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.track-card-featured {
  border: 2px solid var(--color-secondary);
  background: linear-gradient(180deg, var(--color-bg-card) 0%, var(--color-bg-light) 100%);
}

.track-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-sm);
  background-color: var(--color-bg-muted);
  color: var(--color-secondary-text);
  border: 1px solid var(--color-border);
  width: fit-content;
}

.track-card-featured .track-badge {
  background-color: var(--color-secondary-text);
  color: #FFFFFF;
  border: none;
}

.track-title {
  font-size: clamp(1.3rem, 2.8vw, 1.65rem);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.track-desc {
  color: var(--color-text-muted);
  font-size: 0.98rem;
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.track-list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-lg) 0;
}

.track-list-item {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.93rem;
  line-height: 1.5;
}

.track-list-item:last-child {
  border-bottom: none;
}

.track-bullet {
  color: var(--color-secondary-text);
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1.2;
}

/* Modality Cluster Grid & Cards (Layouts A, B, C) */
.modality-cluster-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 680px) {
  .modality-cluster-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.modality-cluster-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.modality-cluster-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.modality-cluster-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.modality-cluster-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.modality-cluster-title {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-2xs);
}

.modality-cluster-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: var(--space-sm);
}

.modality-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  background: var(--color-bg-muted);
  color: var(--color-secondary-text);
  border: 1px solid var(--color-border);
  white-space: nowrap;
}

.modality-pill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  margin-top: auto;
  padding-top: var(--space-xs);
}

.modality-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-main);
  background-color: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  line-height: 1.3;
  transition: all var(--transition-fast);
}

.modality-pill:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.modality-pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  display: inline-block;
}