:root {
  /* Colores bandera de Bolivia - VERSIÓN VIVA Y MODERNA */
  --red: #E63946;        /* Rojo vibrante - más moderno */
  --yellow: #FFD166;     /* Amarillo vivo - cálido y brillante */
  --green: #06D6A0;      /* Verde turquesa - moderno y fresco */
  
  /* Versiones secundarias */
  --red-dark: #C41E3A;
  --yellow-dark: #EBB93E;
  --green-dark: #05B086;
  
  /* Versiones suaves para fondos */
  --red-soft: rgba(230, 57, 70, 0.08);
  --yellow-soft: rgba(255, 209, 102, 0.12);
  --green-soft: rgba(6, 214, 160, 0.08);
  
  /* Neutrales */
  --ink: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  
  /* Efectos glass */
  --glass: rgba(255,255,255,.8);
  --glass-dark: rgba(255,255,255,.6);
  
  /* Sombras modernas */
  --shadow-sm: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,.25);
  
  /* Bordes */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
}

* { margin:0; padding:0; box-sizing:border-box; }
html,body { height:100%; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  /* Fondo dinámico con colores vivos */
  background: 
    radial-gradient(1200px 800px at 90% 10%, var(--red-soft), transparent 60%),
    radial-gradient(1000px 600px at 10% 30%, var(--yellow-soft), transparent 60%),
    radial-gradient(800px 500px at 40% 80%, var(--green-soft), transparent 60%),
    var(--bg);
  color: var(--ink);
  line-height: 1.5;
  overflow-x: hidden;
}

/* ===== FRANJA TRICOLOR MODERNA ===== */
.bo-stripe {
  height: 8px;
  background: linear-gradient(
    90deg, 
    var(--red) 0%, 
    var(--red) 33.33%,
    var(--yellow) 33.33%, 
    var(--yellow) 66.66%,
    var(--green) 66.66%, 
    var(--green) 100%
  );
  box-shadow: var(--shadow-sm);
}

/* ===== HEADER MODERNO ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.04);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 44px;
  width: auto;
  transition: transform 0.2s ease;
}

.logo:hover img { 
  transform: scale(1.02); 
}

/* Country pills modernas */
.country-pills {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-full);
  background: #f1f5f9;
  border: 1px solid rgba(0,0,0,.02);
}

.pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink);
  transition: all 0.2s ease;
  opacity: 0.7;
  cursor: pointer;
}

.pill img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid transparent;
}

.pill:hover { 
  opacity: 1; 
  background: rgba(255,255,255,.8);
  transform: translateY(-1px);
}

.pill.active {
  opacity: 1;
  background: white;
  border: 1px solid var(--red-soft);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
  color: var(--red);
}

.pill.active img {
  border-color: var(--yellow);
}

/* Botón login moderno */
.login-btn {
  border: 0;
  cursor: pointer;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  color: white;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  box-shadow: 0 8px 16px -4px var(--red-soft);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,0.1);
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -6px rgba(230, 57, 70, 0.4);
}

.login-btn:active {
  transform: translateY(0);
}

/* ===== HERO VIBRANTE ===== */
.hero {
  position: relative;
  overflow: hidden;
  color: white;
  padding: 60px 0 40px;
  background: linear-gradient(145deg, #1A2E3F, #234257, #1B3A4A);
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(230, 57, 70, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 80% 50%, rgba(255, 209, 102, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 40% 80%, rgba(6, 214, 160, 0.2) 0%, transparent 40%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAiIGhlaWdodD0iNjAiIHZpZXdCb3g9IjAgMCA2MCA2MCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJNMzAgMTBhMjAgMjAgMCAwIDEgMjAgMjAgMjAgMjAgMCAwIDEtNDAgMCAyMCAyMCAwIDAgMSAyMC0yMHoiIGZpbGw9InJnYmEoMjU1LDI1NSwyNTUsMC4wMykiLz48L3N2Zz4=');
  opacity: 0.3;
  pointer-events: none;
}

.hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.15);
  font-weight: 500;
  margin-bottom: 24px;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
}

.kicker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 3px rgba(255, 209, 102, 0.3);
}

.kicker strong {
  font-weight: 700;
}

.kicker strong:first-of-type {
  color: var(--yellow);
}

.kicker strong:last-of-type {
  color: var(--green);
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
  font-weight: 800;
  text-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.hero h1 span {
  color: var(--yellow);
  text-shadow: 0 0 20px rgba(255, 209, 102, 0.3);
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
  opacity: 0.3;
  border-radius: var(--radius-full);
}

.hero p {
  max-width: 600px;
  margin: 0 auto;
  opacity: 0.9;
  font-size: 1.1rem;
  font-weight: 400;
  color: rgba(255,255,255,0.95);
}

/* ===== CALCULADORA MODERNA ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.calculator-card {
  margin: -40px auto 40px;
  max-width: 500px;
  background: white;
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1px solid rgba(0,0,0,0.02);
}

.calculator-card.visible {
  transform: translateY(0);
  opacity: 1;
}

/* Borde con gradiente vivo */
.calculator-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(145deg, 
    var(--red) 0%, 
    var(--yellow) 35%, 
    var(--green) 70%,
    var(--red) 100%
  );
  border-radius: calc(var(--radius-xl) + 2px);
  z-index: -1;
  background-size: 200% 200%;
  animation: borderFlow 6s ease infinite;
  opacity: 0.7;
}

@keyframes borderFlow {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

.calc-title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--red);
  font-size: 1.4rem;
  font-weight: 700;
}

.calc-title i {
  color: var(--yellow);
  font-size: 1.3rem;
}

.submeta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 16px 0 24px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--red-soft), var(--yellow-soft));
  border: 1px solid rgba(230, 57, 70, 0.15);
  color: var(--red);
  font-weight: 600;
  font-size: 0.85rem;
}

.chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(6, 214, 160, 0.2);
}

/* Form inputs modernos */
.form-group {
  margin-bottom: 20px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--ink);
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.currency-input-container {
  position: relative;
}

.currency-flag {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  border: 2px solid white;
  box-shadow: var(--shadow-sm);
  z-index: 1;
}

.form-control {
  width: 100%;
  padding: 16px 16px 16px 56px;
  border-radius: var(--radius-lg);
  border: 2px solid #e9eef2;
  font-size: 1rem;
  outline: none;
  transition: all 0.2s ease;
  font-weight: 500;
  background: white;
}

.form-control:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 4px var(--red-soft);
}

/* ===== BOTÓN WHATSAPP VIBRANTE ===== */
.btn-primary {
  width: 100%;
  border: 0;
  cursor: pointer;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  background: linear-gradient(
    135deg,
    var(--red) 0%,
    var(--yellow) 40%,
    var(--green) 70%,
    var(--red) 100%
  );
  background-size: 300% 300%;
  animation: flowBolivia 8s ease infinite;
  box-shadow: 0 15px 30px -8px rgba(230, 57, 70, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

@keyframes flowBolivia {
  0% { background-position: 0% 0%; }
  33% { background-position: 50% 100%; }
  66% { background-position: 100% 50%; }
  100% { background-position: 0% 0%; }
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 70%
  );
  animation: shine 8s linear infinite;
  pointer-events: none;
}

@keyframes shine {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.btn-primary:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 25px 40px -10px rgba(230, 57, 70, 0.5);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

.btn-primary i {
  color: white;
  font-size: 1.3rem;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* ===== RESULT CARD MODERNA ===== */
.result-card {
  margin-top: 24px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f8fafc, #ffffff);
  border: 2px solid #f1f5f9;
  border-left: 6px solid var(--green);
  box-shadow: var(--shadow-md);
  transform: scale(0.96);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.result-card.show {
  transform: scale(1);
  opacity: 1;
  animation: appearPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes appearPop {
  0% { transform: scale(0.9); opacity: 0; }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--green);
  font-weight: 700;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.result-amount {
  text-align: center;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--red), var(--yellow));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 8px 0 12px;
  letter-spacing: -0.02em;
  text-shadow: 0 10px 20px rgba(230, 57, 70, 0.2);
}

.result-amount small {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--muted);
  background: none;
  -webkit-background-clip: unset;
}

.result-details {
  text-align: center;
  color: var(--muted);
  font-weight: 500;
  font-size: 0.95rem;
  display: grid;
  gap: 8px;
}

.result-details p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.result-details i.fa-percent {
  color: var(--green) !important;
  font-size: 1.1rem;
}

.result-details i.fa-clock {
  color: var(--red) !important;
  font-size: 1.1rem;
}

/* ===== FEATURES MODERNOS ===== */
.features-section {
  margin: 48px 0 24px;
}

.section-title {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 36px;
}

.section-title h2 {
  font-size: clamp(1.8rem, 4vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--red), var(--yellow), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.section-title p {
  color: var(--muted);
  font-size: 1.1rem;
  font-weight: 400;
  line-height: 1.6;
}

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

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

.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 1px solid #f1f5f9;
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--yellow), var(--green));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: white;
  transition: all 0.3s ease;
}

.feature-card:nth-child(1) .feature-icon {
  background: linear-gradient(145deg, var(--red), #FF6B6B);
  box-shadow: 0 10px 20px -5px rgba(230, 57, 70, 0.3);
}

.feature-card:nth-child(2) .feature-icon {
  background: linear-gradient(145deg, var(--yellow), #FFE18A);
  color: #1e293b;
  box-shadow: 0 10px 20px -5px rgba(255, 209, 102, 0.3);
}

.feature-card:nth-child(3) .feature-icon {
  background: linear-gradient(145deg, var(--green), #4FE5C4);
  box-shadow: 0 10px 20px -5px rgba(6, 214, 160, 0.3);
}

.feature-card:nth-child(4) .feature-icon {
  background: linear-gradient(145deg, var(--red), var(--yellow));
  box-shadow: 0 10px 20px -5px rgba(230, 57, 70, 0.3);
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
}

.feature-card p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  font-weight: 400;
}

/* ===== TESTIMONIALS MODERNOS ===== */
.testimonials {
  margin: 48px 0 0;
  padding: 48px 0;
  background: linear-gradient(145deg, #f1f5f9, #ffffff);
  border-top: 1px solid rgba(0,0,0,0.02);
  border-bottom: 1px solid rgba(0,0,0,0.02);
}

.testimonials-container {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.testimonial-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
  border: 1px solid #f1f5f9;
  position: relative;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.testimonial-card::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 20%;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--yellow), var(--green));
  border-radius: var(--radius-full);
  opacity: 0.7;
}

.rating {
  color: var(--yellow);
  margin-bottom: 16px;
  font-size: 1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-style: italic;
  color: var(--ink);
  margin-bottom: 20px;
  line-height: 1.7;
  font-weight: 500;
  font-size: 1rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-author img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 3px solid var(--yellow);
  padding: 2px;
}

.author-info h4 {
  color: var(--red);
  font-weight: 700;
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.author-info p {
  color: var(--green);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ===== FOOTER MODERNO ===== */
footer {
  background: #0f172a;
  color: #e2e8f0;
  padding: 48px 0 24px;
  position: relative;
}

footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--red), var(--yellow), var(--green));
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

.footer-column h3 {
  color: white;
  margin-bottom: 20px;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.2px;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #cbd5e1;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: white;
  transform: translateX(5px);
}

.footer-links a i {
  color: var(--yellow);
  width: 20px;
  font-size: 0.9rem;
}

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 20px;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  color: white;
  transition: all 0.2s ease;
  font-size: 1.2rem;
}

.social-links a:hover {
  background: var(--red);
  transform: translateY(-3px) scale(1.1);
  color: white;
}

.copyright {
  text-align: center;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #94a3b8;
  font-size: 0.9rem;
  font-weight: 500;
}

/* ===== BOTÓN INSTALAR PWA ===== */
#install-btn {
  position: fixed;
  right: 24px;
  bottom: 24px;
  border: 0;
  cursor: pointer;
  padding: 14px 24px;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  box-shadow: var(--shadow-xl);
  display: none;
  z-index: 9999;
  transition: all 0.2s ease;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.95rem;
  letter-spacing: 0.3px;
}

#install-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 40px -10px rgba(6, 214, 160, 0.4);
}

#install-btn:active {
  transform: translateY(0);
}

/* ===== MODAL IOS ===== */
#ios-modal {
  display: none;
  position: fixed;
  right: 24px;
  bottom: 90px;
  max-width: 340px;
  background: white;
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-xl);
  z-index: 9999;
  animation: slideUp 0.3s ease;
  border: 1px solid #f1f5f9;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

#ios-modal h3 {
  color: var(--red);
  margin-bottom: 12px;
  font-weight: 700;
  font-size: 1.2rem;
}

#ios-modal ul {
  padding-left: 20px;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 20px;
}

#ios-modal li {
  margin-bottom: 8px;
  color: var(--muted);
}

#ios-modal button {
  width: 100%;
  border: 0;
  cursor: pointer;
  padding: 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

#ios-modal button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -5px rgba(230, 57, 70, 0.3);
}

/* ===== UTILIDADES ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.floating {
  animation: float 3s ease infinite;
}

.text-gradient {
  background: linear-gradient(135deg, var(--red), var(--yellow), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-container {
    padding: 10px 16px;
  }
  
  .logo img {
    height: 36px;
  }
  
  .country-pills span {
    display: none;
  }
  
  .pill {
    padding: 8px 12px;
  }
  
  .calculator-card {
    padding: 24px;
  }
  
  .result-amount {
    font-size: 2.5rem;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
}

/* Pequeños detalles extra */
.glow-on-hover:hover {
  filter: drop-shadow(0 0 8px var(--yellow-soft));
}

.transition-smooth {
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}