/* ═══════════════════════════════════════
   PODOLUX — Clínica Podológica Integral
   Stylesheet v1.0 | Costa Rica 2025
   ═══════════════════════════════════════ */

/* ─── RESET & BASE ─── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Colores marca */
  --deep-navy:    #1B3B5F;
  --medical-teal: #0D9488;
  --pure-cyan:    #38BDF8;
  --ice-white:    #F0F7FF;
  --midnight:     #0E2340;
  
  /* Derivados */
  --navy-light:   #2A5580;
  --teal-dark:    #0A7A70;
  --teal-light:   #E6F7F5;
  --cyan-light:   #E0F4FE;
  --text-dark:    #1E293B;
  --text-muted:   #64748B;
  --text-light:   #94A3B8;
  --white:        #FFFFFF;
  --whatsapp:     #25D366;
  
  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Espaciado */
  --container:    1200px;
  --section-py:   100px;
  --radius:       12px;
  --radius-lg:    20px;
  
  /* Transiciones */
  --transition:   0.3s ease;
  --transition-slow: 0.5s ease-out;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

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

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

ul {
  list-style: none;
}

/* ─── UTILITIES ─── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.section-reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--medical-teal);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.5rem;
  line-height: 1.15;
  color: var(--deep-navy);
  margin-bottom: 48px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--medical-teal);
  color: var(--white);
  border-color: var(--medical-teal);
}

.btn-primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(13,148,136,0.3);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
}

.btn-small {
  padding: 10px 24px;
  font-size: 0.875rem;
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: var(--white);
  font-size: 1.125rem;
  padding: 18px 40px;
  border-color: var(--whatsapp);
}

.btn-whatsapp:hover {
  background: #1DA851;
  border-color: #1DA851;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.3);
}

.btn-whatsapp svg {
  width: 24px;
  height: 24px;
}

/* ─── NAVBAR ─── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(27,59,95,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--white);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--medical-teal);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.125rem;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: rgba(255,255,255,0.85);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all var(--transition);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

.nav-cta {
  background: var(--medical-teal);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 50px;
  margin-left: 8px;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ─── HERO ─── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--midnight);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.45;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(14,35,64,0.85) 0%, rgba(27,59,95,0.75) 50%, rgba(14,35,64,0.9) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 800px;
  padding: 120px 24px 60px;
  color: var(--white);
}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--pure-cyan);
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  color: var(--medical-teal);
}

.stat-icon {
  color: var(--pure-cyan);
}

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

.stat-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.7);
  text-align: left;
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255,255,255,0.5);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-8px); }
  60% { transform: translateX(-50%) translateY(-4px); }
}

/* ─── DIFERENCIAL ─── */
.diferencial {
  padding: var(--section-py) 0;
  background: var(--ice-white);
}

.diferencial-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.diferencial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  text-align: center;
  transition: all var(--transition);
  border: 1px solid rgba(27,59,95,0.06);
}

.diferencial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(27,59,95,0.1);
}

.diferencial-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  background: var(--teal-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--medical-teal);
}

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

.diferencial-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 12px;
}

.diferencial-card p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── SERVICIOS ─── */
.servicios {
  padding: var(--section-py) 0;
  background: var(--white);
}

.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.servicio-card {
  background: var(--white);
  border: 1px solid rgba(27,59,95,0.08);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(27,59,95,0.08);
}

.servicio-estrella {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--teal-light) 0%, var(--cyan-light) 100%);
  border-color: var(--medical-teal);
  position: relative;
}

.servicio-badge {
  display: inline-block;
  background: var(--medical-teal);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  width: fit-content;
}

.servicio-card h3 {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 12px;
}

.servicio-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.servicio-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(27,59,95,0.08);
}

.servicio-time {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.servicio-price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--medical-teal);
}

/* ─── PROTOCOLO ─── */
.protocolo {
  padding: var(--section-py) 0;
  background: var(--ice-white);
}

.protocolo-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--medical-teal), var(--pure-cyan));
}

.timeline-step {
  display: flex;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--medical-teal);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(13,148,136,0.3);
}

.step-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 32px;
  flex-grow: 1;
  border: 1px solid rgba(27,59,95,0.06);
}

.step-content h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--deep-navy);
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ─── NOSOTROS ─── */
.nosotros {
  padding: var(--section-py) 0;
  background: var(--white);
}

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.nosotros-image {
  display: flex;
  justify-content: center;
}

.image-frame {
  position: relative;
  width: 100%;
  max-width: 420px;
}

.image-frame::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--medical-teal);
  border-radius: var(--radius-lg);
  z-index: 0;
}

.image-placeholder {
  position: relative;
  z-index: 1;
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--ice-white) 0%, var(--teal-light) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--medical-teal);
}

.image-placeholder svg {
  width: 80px;
  height: 80px;
  opacity: 0.4;
}

.image-placeholder span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--deep-navy);
}

.nosotros-quote {
  border-left: 3px solid var(--medical-teal);
  padding-left: 28px;
  margin: 32px 0;
}

.nosotros-quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-dark);
  margin-bottom: 16px;
}

.nosotros-quote footer {
  font-size: 0.9375rem;
  color: var(--text-muted);
}

.nosotros-values {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.value-tag {
  background: var(--teal-light);
  color: var(--medical-teal);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 8px 16px;
  border-radius: 50px;
}

/* ─── CONTACTO ─── */
.contacto {
  padding: var(--section-py) 0;
  background: var(--midnight);
  text-align: center;
}

.contacto-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 16px;
}

.contacto-subtitle {
  font-size: 1.125rem;
  font-weight: 300;
  color: rgba(255,255,255,0.7);
  max-width: 480px;
  margin: 0 auto 40px;
}

.contacto-info {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 48px;
  flex-wrap: wrap;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
}

.info-item svg {
  color: var(--pure-cyan);
  flex-shrink: 0;
}

/* ─── FOOTER ─── */
.footer {
  background: var(--deep-navy);
  padding: 64px 0 32px;
  color: var(--white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 12px;
}

.footer-tagline {
  font-size: 1rem;
  color: var(--medical-teal);
  font-style: italic;
}

.footer-links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
  color: rgba(255,255,255,0.6);
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

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

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.4);
}

/* ─── WHATSAPP FLOAT ─── */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--whatsapp);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: all var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

/* ═══════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════ */

@media (max-width: 1024px) {
  .diferencial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .servicio-estrella {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-stats {
    gap: 20px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--deep-navy);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 8px;
    transition: right var(--transition);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-link {
    font-size: 1.125rem;
    padding: 12px 0;
  }
  
  .nav-cta {
    margin-left: 0;
    margin-top: 16px;
    text-align: center;
  }
  
  .diferencial-grid {
    grid-template-columns: 1fr;
  }
  
  .servicios-grid {
    grid-template-columns: 1fr;
  }
  
  .servicio-estrella {
    grid-column: span 1;
  }
  
  .nosotros-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .contacto-info {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }
  
  .timeline-line {
    left: 22px;
  }
  
  .timeline-step {
    gap: 20px;
  }
  
  .step-number {
    width: 44px;
    height: 44px;
    font-size: 1.125rem;
  }
  
  .step-content {
    padding: 20px 24px;
  }
}

@media (max-width: 375px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ─── REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
  
  .section-reveal {
    opacity: 1;
    transform: none;
  }
}