/* ============================================
   IMPULSO DIGITAL — LANDING "100 PÁGINAS"
   Estilos: Variables CSS + Mobile First
   ============================================ */

/* ============ CSS VARIABLES ============ */
:root {
  /* Brand Colors */
  --naranja: #F47920;
  --naranja-dark: #D4661A;
  --naranja-light: #F9A855;
  --azul: #2E9FD4;
  --azul-dark: #1A7DAA;
  --azul-light: #5EBAED;

  /* Neutral Colors */
  --oscuro: #1A1A2E;
  --gris-oscuro: #2C2C2C;
  --gris: #666666;
  --gris-claro: #F8F9FA;
  --blanco: #FFFFFF;

  /* Design System */
  --sombra: 0 4px 24px rgba(0, 0, 0, 0.12);
  --sombra-hover: 0 8px 32px rgba(0, 0, 0, 0.18);
  --radio: 12px;
  --radio-lg: 16px;
  --transicion: all 0.3s ease;
  --transicion-rápida: all 0.15s ease;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 48px;
  --spacing-xl: 64px;
}

/* ============ RESET & BASE ============ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--gris-oscuro);
  background-color: var(--blanco);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--oscuro);
}

p {
  color: var(--gris);
  line-height: 1.7;
}

a {
  color: var(--azul);
  text-decoration: none;
  transition: var(--transicion);
}

a:hover {
  color: var(--azul-dark);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ============ CONTAINER & LAYOUT ============ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============ NAVBAR ============ */
.navbar {
  position: sticky;
  top: 0;
  background-color: var(--blanco);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 800;
  font-size: 1.25rem;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--naranja) 0%, var(--azul) 100%);
  color: var(--blanco);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 900;
  font-size: 1.5rem;
}

.logo-text {
  color: var(--oscuro);
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-link {
  color: var(--gris-oscuro);
  font-weight: 500;
  transition: var(--transicion);
  position: relative;
}

.nav-link:hover {
  color: var(--naranja);
}

.nav-cta {
  padding: 10px 20px !important;
  border-radius: var(--radio) !important;
  font-size: 0.9rem;
  white-space: nowrap;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
}

.hamburger span {
  width: 24px;
  height: 3px;
  background-color: var(--oscuro);
  border-radius: 2px;
  transition: var(--transicion);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(8px, -8px);
}

/* ============ BUTTONS ============ */
.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radio);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transicion);
  font-size: 1rem;
  display: inline-block;
  text-align: center;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--naranja);
  color: var(--blanco);
  box-shadow: 0 4px 12px rgba(244, 121, 32, 0.3);
}

.btn-primary:hover {
  background-color: var(--naranja-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244, 121, 32, 0.4);
}

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

.btn-secondary {
  background-color: var(--blanco);
  color: var(--naranja);
  border: 2px solid var(--naranja);
}

.btn-secondary:hover {
  background-color: var(--naranja);
  color: var(--blanco);
}

.btn-large {
  padding: 16px 40px;
  font-size: 1.1rem;
  font-weight: 700;
}

.btn-submit {
  width: 100%;
  margin-top: var(--spacing-md);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ============ HERO SECTION ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--spacing-lg) var(--spacing-md);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--oscuro) 0%, #2C3E50 50%, var(--azul-dark) 100%);
  z-index: -1;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  color: var(--blanco);
  margin-bottom: var(--spacing-md);
  line-height: 1.1;
  font-weight: 900;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Counter Section */
.counter-section {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radio-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 20px;
}

.counter-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.counter-number {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--naranja) 0%, var(--naranja-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.counter-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  font-weight: 500;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--naranja) 0%, var(--naranja-light) 100%);
  border-radius: 10px;
  width: 0%;
  transition: width 0.8s ease;
}

.urgency-indicator {
  margin-top: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.9);
}

.urgency-indicator p {
  font-size: 1rem;
  margin: var(--spacing-xs) 0;
  color: rgba(255, 255, 255, 0.9);
}

/* ============ SECTION STYLES ============ */
section {
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  color: var(--oscuro);
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--gris);
  margin-bottom: var(--spacing-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============ CÓMO FUNCIONA ============ */
.como-funciona {
  background-color: var(--gris-claro);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.step-card {
  background-color: var(--blanco);
  padding: var(--spacing-lg);
  border-radius: var(--radio-lg);
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: var(--transicion);
  border-top: 4px solid var(--naranja);
}

.step-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--sombra);
}

.step-icon {
  font-size: 3rem;
  color: var(--naranja);
  margin-bottom: var(--spacing-md);
}

.step-card h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--oscuro);
}

.step-card p {
  font-size: 1rem;
  color: var(--gris);
}

.steps-footer {
  text-align: center;
  font-size: 1.05rem;
  color: var(--gris-oscuro);
  font-weight: 500;
  margin-top: var(--spacing-lg);
}

/* ============ GALERÍA ============ */
.galeria {
  background-color: var(--blanco);
}

/* ============ SHOWCASE DE WEBS ============ */
.showcase-list {
  max-width: 820px;
  margin: var(--spacing-lg) auto;
  border-radius: var(--radio-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.09);
  border: 1px solid rgba(0,0,0,0.07);
}

.showcase-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  padding: 22px 32px;
  background: var(--blanco);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  transition: background 0.2s ease;
}

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

.showcase-item:hover {
  background: #fafafa;
}

.showcase-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--naranja);
  min-width: 36px;
  text-align: center;
  opacity: 0.85;
}

.showcase-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.showcase-domain {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--oscuro);
  letter-spacing: -0.01em;
}

.showcase-rubro {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--gris);
  letter-spacing: 0.03em;
}

.showcase-btn {
  display: inline-block;
  padding: 9px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--naranja);
  border: 2px solid var(--naranja);
  border-radius: 30px;
  background: transparent;
  white-space: nowrap;
  transition: var(--transicion);
  flex-shrink: 0;
}

.showcase-btn:hover {
  background: var(--naranja);
  color: var(--blanco);
}

/* Fila privados */
.showcase-private {
  background: var(--oscuro) !important;
}

.showcase-private .showcase-num {
  color: rgba(255,255,255,0.2);
  font-size: 1.2rem;
}

.showcase-private .showcase-domain {
  color: rgba(255,255,255,0.75);
}

.showcase-private .showcase-rubro {
  color: rgba(255,255,255,0.35);
}

/* Banner producción */
.produccion-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 820px;
  margin: var(--spacing-md) auto 0;
  padding: 16px 28px;
  background: rgba(244,121,32,0.07);
  border: 1px dashed rgba(244,121,32,0.5);
  border-radius: var(--radio-lg);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--gris-oscuro);
}

.produccion-banner i {
  color: var(--naranja);
}

/* ============ TESTIMONIOS ============ */
.testimonios {
  background: linear-gradient(135deg, var(--naranja) 0%, var(--naranja-dark) 100%);
  color: var(--blanco);
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.testimonios-content {
  max-width: 700px;
  margin: 0 auto;
}

.avatar-placeholder {
  width: 100px;
  height: 100px;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--blanco);
  margin: 0 auto var(--spacing-lg);
}

.quote {
  font-size: 1.3rem;
  font-style: italic;
  color: var(--blanco);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

.quote-author {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.trust-indicators {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
}

.trust-indicators p i {
  margin-right: var(--spacing-xs);
  color: var(--azul-light);
}

/* ============ FORMULARIO ============ */
.formulario-section {
  background-color: var(--gris-claro);
  padding: var(--spacing-xl) var(--spacing-md);
}

.formulario {
  max-width: 700px;
  margin: 0 auto;
  background-color: var(--blanco);
  padding: var(--spacing-lg);
  border-radius: var(--radio-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--oscuro);
  font-size: 0.95rem;
}

.form-group input,
.form-group select {
  padding: 12px var(--spacing-sm);
  border: 2px solid var(--gris-claro);
  border-radius: var(--radio);
  font-size: 1rem;
  transition: var(--transicion);
  background-color: var(--blanco);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--naranja);
  box-shadow: 0 0 0 3px rgba(244, 121, 32, 0.1);
}

.form-group input.error,
.form-group select.error {
  border-color: #e74c3c;
}

.form-group input.success,
.form-group select.success {
  border-color: #27ae60;
}

.error-message {
  font-size: 0.85rem;
  color: #e74c3c;
  margin-top: 4px;
  display: none;
}

.error-message.show {
  display: block;
}

/* Success Message */
.success-message {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(39, 174, 96, 0.1), rgba(46, 159, 212, 0.1));
  border: 2px solid #27ae60;
  border-radius: var(--radio-lg);
  animation: slideUp 0.5s ease;
}

.success-message h3 {
  font-size: 1.5rem;
  color: #27ae60;
  margin-bottom: var(--spacing-sm);
}

.success-message p {
  color: var(--gris-oscuro);
  margin-bottom: var(--spacing-md);
}

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

/* ============ SCARCITY / COUNTDOWN ============ */
.scarcity {
  background: linear-gradient(135deg, var(--oscuro) 0%, #2C3E50 100%);
  color: var(--blanco);
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.scarcity-content {
  max-width: 600px;
  margin: 0 auto;
}

.scarcity-title {
  color: var(--blanco);
  margin-bottom: var(--spacing-lg);
  font-size: 2rem;
}

.countdown-timer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-family: 'Montserrat', sans-serif;
}

.countdown-value {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(244, 121, 32, 0.15);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radio-lg);
  min-width: 80px;
}

.countdown-value span:first-child {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--naranja-light);
  line-height: 1;
}

.countdown-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-top: var(--spacing-xs);
  font-weight: 600;
}

.countdown-separator {
  font-size: 2rem;
  color: var(--naranja);
  font-weight: 700;
}

.scarcity-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  margin: var(--spacing-lg) 0;
}

/* ============ FOOTER ============ */
.footer {
  background-color: var(--oscuro);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--blanco);
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transicion);
}

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

.footer-socials {
  display: flex;
  gap: var(--spacing-md);
  font-size: 1.5rem;
}

.footer-socials a {
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transicion);
}

.footer-socials a:hover {
  color: var(--naranja);
  transform: translateY(-4px);
}

.footer-legal {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
  /* Navbar */
  .nav-menu {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--blanco);
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    max-height: 500px;
  }

  .hamburger {
    display: flex;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  /* Hero */
  .hero {
    min-height: 80vh;
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero-title {
    margin-bottom: var(--spacing-md);
  }

  .counter-section {
    padding: var(--spacing-md);
  }

  /* Sections */
  section {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .section-title {
    font-size: 1.8rem;
  }

  /* Steps grid */
  .steps-grid {
    grid-template-columns: 1fr;
  }

  /* Showcase mobile */
  .showcase-item {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: 18px 20px;
  }

  .showcase-btn {
    width: 100%;
    text-align: center;
  }

  /* Formulario */
  .formulario {
    padding: var(--spacing-md);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  /* Countdown */
  .countdown-timer {
    gap: var(--spacing-sm);
  }

  .countdown-value {
    min-width: 65px;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .countdown-value span:first-child {
    font-size: 1.8rem;
  }

  .countdown-separator {
    font-size: 1.5rem;
  }

  /* Footer */
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links {
    flex-direction: row;
    justify-content: center;
  }

  .footer-socials {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .counter-number {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .btn-large {
    padding: 14px 28px;
    font-size: 1rem;
  }

  .quote {
    font-size: 1.1rem;
  }

  .countdown-value span:first-child {
    font-size: 1.5rem;
  }
}

/* ============ UTILITY CLASSES ============ */
.text-center {
  text-align: center;
}

.text-white {
  color: var(--blanco);
}

.text-dark {
  color: var(--oscuro);
}

.mt-sm {
  margin-top: var(--spacing-sm);
}

.mt-md {
  margin-top: var(--spacing-md);
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

/* Loading Spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--blanco);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}