/* ======================================
   DEXCEL - ADN VISUAL
   ====================================== */

:root {
  /* Colores principales */
  --accent: #7B61FF;
  --accent-gradient: linear-gradient(135deg, #7B61FF, #5A4FFF);

  /* Fondos */
  --bg-primary: #18191A;
  --bg-secondary: #0F0F23;
  --card-bg: #1A1A2E;
  --card-alt: #1E1E1E;

  /* Estados */
  --green: #00E676;
  --red: #FF1744;
  --orange: #F59E42;
  --blue: #3B82F6;

  /* Textos */
  --text-primary: #FFFFFF;
  --text-secondary: #B0B3B8;
  --text-tertiary: #6B7280;

  /* Bordes */
  --border: #313338;
  --border-alt: #333333;

  /* Espaciados */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

/* ======================================
   RESET Y BASE
   ====================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* ======================================
   NAVEGACIÓN
   ====================================== */

nav {
  background: var(--bg-primary);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-nav {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 2px;

  /* Gradiente multicolor */
  background: linear-gradient(90deg,
    #7B61FF 0%,
    #00D4AA 30%,
    #8B5CF6 70%,
    #00F5C4 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;

  /* Sombra brillante */
  filter: drop-shadow(0 0 20px rgba(123, 97, 255, 0.8));

  /* Animación pulsante */
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(0.95);
  }
  50% {
    transform: scale(1.05);
  }
}

.nav-links {
  display: flex;
  gap: 30px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

/* ======================================
   HERO SECTION
   ====================================== */

.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 200%;
  background: radial-gradient(circle, rgba(123, 97, 255, 0.1) 0%, transparent 70%);
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-logo {
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
}

.hero-logo-img {
  width: 140px;
  height: 140px;
  background: white;
  border-radius: 24px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(123, 97, 255, 0.3);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;

  /* Gradiente multicolor sutil */
  background: linear-gradient(90deg,
    #7B61FF 0%,
    #00D4AA 30%,
    #8B5CF6 70%,
    #00F5C4 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;

  /* Sombra suave */
  filter: drop-shadow(0 0 15px rgba(123, 97, 255, 0.5));
}

.hero p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 50px;
  flex-wrap: wrap;
}

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

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  display: block;
}

.stat-label {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: 5px;
}

/* ======================================
   BOTONES
   ====================================== */

.button-primary {
  background: var(--accent);
  color: white;
  border-radius: var(--radius-md);
  padding: 16px 32px;
  font-weight: 600;
  font-size: 16px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  border: none;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(123, 97, 255, 0.4);
}

.button-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: var(--radius-md);
  padding: 14px 30px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
}

.button-secondary:hover {
  background: var(--accent);
  color: white;
}

/* ======================================
   CARDS
   ====================================== */

.card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(123, 97, 255, 0.2);
}

.stat-card {
  background: var(--card-alt);
  border: 1.5px solid var(--border-alt);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  position: relative;
}

.welcome-card {
  background: var(--accent-gradient);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: white;
  box-shadow: 0 8px 20px rgba(123, 97, 255, 0.3);
}

/* ======================================
   SECCIONES
   ====================================== */

section {
  padding: 80px 20px;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: 1px;

  /* Gradiente multicolor */
  background: linear-gradient(90deg,
    #7B61FF 0%,
    #00D4AA 30%,
    #8B5CF6 70%,
    #00F5C4 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;

  /* Sombra sutil */
  filter: drop-shadow(0 0 10px rgba(123, 97, 255, 0.4));
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

/* ======================================
   GRID LAYOUTS
   ====================================== */

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

/* ======================================
   FEATURE CARDS
   ====================================== */

.feature-card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(123, 97, 255, 0.2);
  border-color: var(--accent);
}

.icon-container {
  background: rgba(123, 97, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.icon-container svg {
  width: 24px;
  height: 24px;
  fill: var(--accent);
}

.feature-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ======================================
   TAGS
   ====================================== */

.tag {
  background: rgba(123, 97, 255, 0.15);
  border-radius: 6px;
  padding: 4px 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
}

.tag-green {
  background: rgba(0, 230, 118, 0.15);
  color: var(--green);
}

.tag-red {
  background: rgba(255, 23, 68, 0.15);
  color: var(--red);
}

.tag-orange {
  background: rgba(245, 158, 66, 0.15);
  color: var(--orange);
}

.tag-blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--blue);
}

/* ======================================
   CALCULADORA
   ====================================== */

.calculator {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  max-width: 650px;
  margin: 0 auto;
}

.calculator-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.calc-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 12px;
}

.calculator-header h3 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 8px;
  font-weight: 600;
}

.calculator-header p {
  font-size: 14px;
  color: var(--text-tertiary);
}

.currency-selector {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.currency-selector label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 600;
}

.currency-selector select {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-alt);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 250px;
}

.currency-selector select:hover {
  border-color: var(--accent);
}

.currency-selector select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(123, 97, 255, 0.1);
}

.calculator-inputs {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 16px;
  font-size: 18px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.input-currency {
  position: absolute;
  right: 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-tertiary);
  pointer-events: none;
}

.input-group input {
  background: var(--bg-primary);
  border: 1.5px solid var(--border-alt);
  border-radius: var(--radius-md);
  padding: 14px 60px 14px 50px;
  color: var(--text-primary);
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  width: 100%;
}

.input-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(123, 97, 255, 0.1);
}

.quick-adjust {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  align-items: center;
}

.adjust-label {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 600;
  margin-right: 4px;
}

.adjust-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.adjust-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
  color: var(--text-primary);
}

.adjust-btn.accent {
  background: rgba(123, 97, 255, 0.15);
  border-color: var(--accent);
  color: var(--accent);
}

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

.calculator-result {
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 30px;
}

.result-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.result-primary {
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
}

.result-label-small {
  display: block;
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.result-value-large {
  display: block;
  font-size: 32px;
  font-weight: 900;
  margin: 8px 0;
}

.result-value-large.positive {
  color: var(--green);
}

.result-value-large.negative {
  color: var(--red);
}

.result-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.result-item-small {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.result-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.result-value {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
}

.result-value.positive {
  color: var(--green);
}

.result-value.negative {
  color: var(--red);
}

/* ======================================
   STEPS / CÓMO FUNCIONA
   ====================================== */

.steps {
  display: flex;
  flex-direction: column;
  gap: 40px;
  margin-top: 60px;
}

.step {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

.step-number {
  background: var(--accent-gradient);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 8px 16px rgba(123, 97, 255, 0.3);
}

.step-content {
  flex: 1;
}

.step-content h3 {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.step-content p {
  color: var(--text-secondary);
  line-height: 1.8;
}

.step-content ul {
  margin-top: 12px;
  padding-left: 20px;
}

.step-content li {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ======================================
   ESTAFAS / SEGURIDAD
   ====================================== */

.scam-card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  position: relative;
  overflow: hidden;
}

.scam-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--red);
}

.scam-card.warning::before {
  background: var(--orange);
}

.scam-card.info::before {
  background: var(--blue);
}

.scam-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.scam-icon {
  font-size: 32px;
}

.scam-card h3 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.scam-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.scam-card ul {
  padding-left: 20px;
}

.scam-card li {
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ======================================
   ESTRATEGIAS
   ====================================== */

.strategy-card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  padding: 30px;
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  cursor: pointer;
}

.strategy-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(123, 97, 255, 0.2);
  border-color: var(--accent);
}

.strategy-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.strategy-icon {
  background: rgba(123, 97, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px;
  font-size: 24px;
}

.strategy-card h3 {
  font-size: 20px;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.strategy-card p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ======================================
   BLOG
   ====================================== */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.blog-card {
  background: linear-gradient(135deg, #1A1A2E, #16213E);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1.5px solid var(--border-alt);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
  display: block;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(123, 97, 255, 0.2);
  border-color: var(--accent);
}

.blog-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--accent), #5A4FFF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.blog-content {
  padding: 24px;
}

.blog-category {
  font-size: 12px;
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.blog-card h3 {
  font-size: 22px;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-excerpt {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.blog-meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--text-tertiary);
}

/* ======================================
   FOOTER
   ====================================== */

footer {
  background: var(--bg-primary);
  padding: 60px 20px 30px;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
}

/* ======================================
   MENÚ HAMBURGUESA
   ====================================== */

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  z-index: 1001;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  position: relative;
  background: transparent;
  border: none;
}

.menu-toggle span {
  width: 26px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 3px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  position: relative;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
  background: var(--accent);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(20px);
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
  background: var(--accent);
}

/* ======================================
   RESPONSIVE - TABLET
   ====================================== */

@media (max-width: 1024px) {
  .container {
    padding: 16px;
  }

  section {
    padding: 60px 16px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .section-title {
    font-size: 32px;
  }

  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

/* ======================================
   RESPONSIVE - MÓVIL
   ====================================== */

@media (max-width: 768px) {
  /* Navegación móvil */
  .nav-container {
    padding: 0 16px;
  }

  .logo-nav {
    font-size: 24px;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: 20px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    z-index: 1000;
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-links li {
    text-align: center;
  }

  .nav-links a {
    display: block;
    padding: 12px;
    font-size: 18px;
  }

  /* Hero móvil */
  .hero {
    padding: 60px 16px;
  }

  .hero-logo-img {
    width: 100px;
    height: 100px;
  }

  .hero h1 {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .hero p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
  }

  .hero-stats {
    gap: 30px;
  }

  .stat-value {
    font-size: 28px;
  }

  .stat-label {
    font-size: 12px;
  }

  /* Botones móvil */
  .button-primary,
  .button-secondary {
    padding: 14px 24px;
    font-size: 15px;
    width: 100%;
    max-width: 100%;
    text-align: center;
  }

  /* Secciones móvil */
  section {
    padding: 50px 16px;
  }

  .section-title {
    font-size: 26px;
    margin-bottom: 16px;
  }

  .section-subtitle {
    font-size: 16px;
    margin-bottom: 40px;
  }

  /* Grids móvil */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Cards móvil */
  .feature-card,
  .scam-card,
  .strategy-card {
    padding: 20px;
  }

  .feature-card h3,
  .scam-card h3,
  .strategy-card h3 {
    font-size: 18px;
  }

  /* Calculadora móvil */
  .calculator {
    padding: 20px;
  }

  .calculator-header h3 {
    font-size: 18px;
  }

  .currency-selector {
    flex-direction: column;
    gap: 8px;
  }

  .currency-selector select {
    min-width: 100%;
    width: 100%;
  }

  .input-group input {
    padding: 12px 50px 12px 45px;
    font-size: 16px;
  }

  .input-icon {
    left: 12px;
    font-size: 16px;
  }

  .input-currency {
    right: 12px;
    font-size: 13px;
  }

  .quick-adjust {
    flex-wrap: wrap;
  }

  .adjust-btn {
    flex: 1;
    min-width: calc(33% - 6px);
  }

  .result-main {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .result-value-large {
    font-size: 26px;
  }

  .result-label-small {
    font-size: 11px;
  }

  /* Steps móvil */
  .step {
    flex-direction: column;
    gap: 16px;
  }

  .step-number {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }

  .step-content h3 {
    font-size: 20px;
  }

  /* Blog móvil */
  .blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .blog-image {
    height: 160px;
    font-size: 40px;
  }

  .blog-content {
    padding: 20px;
  }

  .blog-card h3 {
    font-size: 20px;
  }

  /* Welcome cards móvil */
  .welcome-card {
    padding: 20px;
  }

  .welcome-card h3 {
    font-size: 18px !important;
  }

  /* Footer móvil */
  .footer-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  footer {
    padding: 40px 16px 20px;
  }
}

/* ======================================
   RESPONSIVE - MÓVIL PEQUEÑO
   ====================================== */

@media (max-width: 480px) {
  .hero h1 {
    font-size: 24px;
  }

  .hero p {
    font-size: 15px;
  }

  .section-title {
    font-size: 22px;
  }

  .section-subtitle {
    font-size: 15px;
  }

  .logo-nav {
    font-size: 20px;
  }

  .hero-logo-img {
    width: 80px;
    height: 80px;
  }

  .stat-value {
    font-size: 24px;
  }

  .button-primary,
  .button-secondary {
    padding: 12px 20px;
    font-size: 14px;
  }

  .result-value-large {
    font-size: 22px;
  }

  .blog-image {
    height: 140px;
    font-size: 36px;
  }
}

/* ======================================
   OPTIMIZACIONES TOUCH
   ====================================== */

@media (hover: none) and (pointer: coarse) {
  /* Aumentar áreas táctiles */
  .button-primary,
  .button-secondary,
  .adjust-btn {
    min-height: 44px;
  }

  .nav-links a {
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Eliminar efectos hover en touch */
  .card:hover,
  .feature-card:hover,
  .strategy-card:hover,
  .blog-card:hover {
    transform: none;
  }

  /* Mejorar inputs en móviles */
  input,
  select {
    font-size: 16px !important; /* Previene zoom en iOS */
  }
}

/* ======================================
   UTILIDADES
   ====================================== */

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

.mt-20 {
  margin-top: 20px;
}

.mt-40 {
  margin-top: 40px;
}

.mb-20 {
  margin-bottom: 20px;
}

.mb-40 {
  margin-bottom: 40px;
}

.hidden {
  display: none;
}