/* =========================================================
   PixelBridge — Estilos principales
   ========================================================= */

:root {
  /* Paleta de colores */
  --bg-primary: #0F172A;
  --bg-secondary: #111827;
  --brand-primary: #1D4ED8;
  --btn-primary: #2563EB;
  --accent: #38BDF8;
  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --border-card: #1E293B;

  /* Tipografía */
  --font-main: 'Inter', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Radios y sombras */
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.25);
  --shadow-hover: 0 20px 45px rgba(37, 99, 235, 0.25);

  /* Transiciones */
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================================
   Reset
   ========================================================= */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

.bg-alt {
  background-color: var(--bg-secondary);
}

/* =========================================================
   Botones
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--btn-primary), var(--brand-primary));
  color: #fff;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-card);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* =========================================================
   Header
   ========================================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(30, 41, 59, 0.6);
  transition: background-color var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
}

.logo-img {
  height: 34px;
  width: auto;
}

.logo span {
  background: linear-gradient(135deg, var(--accent), var(--btn-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links {
  display: flex;
  gap: 32px;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 20px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  position: relative;
  padding: 180px 0 120px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(29, 78, 216, 0.35), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -250px;
  left: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border: 1px solid var(--border-card);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.06);
  margin-bottom: 28px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--accent), var(--btn-primary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 70px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid var(--border-card);
}

.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text-primary);
}

.hero-stat span {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* =========================================================
   Servicios
   ========================================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(56, 189, 248, 0.4);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(56, 189, 248, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--accent);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* =========================================================
   Portfolio
   ========================================================= */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.portfolio-card {
  display: block;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(56, 189, 248, 0.4);
}

.portfolio-thumb {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--bg-primary);
}

.portfolio-thumb iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 400%;
  height: 400%;
  border: 0;
  transform: scale(0.25);
  transform-origin: 0 0;
  pointer-events: none;
}

.portfolio-thumb::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.9;
}

.thumb-hair::before { background: linear-gradient(135deg, #1D4ED8, #0F172A); }
.thumb-restaurant::before { background: linear-gradient(135deg, #0EA5E9, #111827); }
.thumb-gym::before { background: linear-gradient(135deg, #2563EB, #0F172A); }
.thumb-dental::before { background: linear-gradient(135deg, #38BDF8, #111827); }

.portfolio-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(248, 250, 252, 0.08) 1px, transparent 1px);
  background-size: 18px 18px;
}

.portfolio-body {
  padding: 26px 28px 30px;
}

.portfolio-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.portfolio-tag .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.portfolio-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.portfolio-body p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.portfolio-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--transition-fast);
}

.portfolio-card:hover .portfolio-link {
  gap: 10px;
}

.portfolio-disclaimer {
  max-width: 780px;
  margin: 48px auto 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
  padding: 20px 28px;
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
}

/* =========================================================
   Por qué elegirnos
   ========================================================= */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.why-card {
  text-align: center;
  padding: 20px;
}

.why-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(56, 189, 248, 0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  border: 1px solid var(--border-card);
}

.why-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.why-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* =========================================================
   Planes y precios
   ========================================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-soft);
}

.pricing-card.featured {
  border-color: var(--btn-primary);
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.1), var(--bg-secondary) 40%);
  box-shadow: var(--shadow-hover);
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--btn-primary), var(--accent));
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 999px;
  white-space: nowrap;
}

.pricing-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.pricing-card .price {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 4px;
}

.pricing-card .price-note {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.pricing-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
  flex: 1;
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.pricing-features svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--accent);
  margin-top: 2px;
}

.plan-note {
  font-size: 0.88rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-card);
}

.pricing-legal {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.88rem;
  max-width: 720px;
  margin: 44px auto 0;
}

/* =========================================================
   Sobre nosotros
   ========================================================= */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
  height: 380px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.25), rgba(56, 189, 248, 0.08));
  border: 1px solid var(--border-card);
  overflow: hidden;
}

.about-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-text .eyebrow {
  margin-bottom: 14px;
}

.about-text h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 18px;
  font-size: 1.02rem;
}

.about-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 24px;
}

.about-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.98rem;
  color: var(--text-primary);
}

.about-list svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
  flex-shrink: 0;
}

/* =========================================================
   Contacto
   ========================================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1.4fr;
  gap: 48px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.contact-info h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.contact-info > p {
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.contact-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-item p, .contact-item a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

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

.contact-form {
  background: var(--bg-secondary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 14px;
  text-align: center;
}

.form-success {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  font-size: 0.95rem;
}

.form-success.visible {
  display: flex;
}

.form-success svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-card);
  padding: 70px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--border-card);
}

.footer-brand p {
  color: var(--text-secondary);
  margin-top: 16px;
  font-size: 0.95rem;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* =========================================================
   Animaciones de entrada (scroll reveal)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(1, 1fr); max-width: 480px; margin: 0 auto; }
  .about { grid-template-columns: 1fr; }
  .about-visual { order: -1; height: 280px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 40px; }
}

@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-toggle { display: flex; }

  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-card);
  }

  .header-inner { position: relative; }

  .nav-cta .btn-primary span.long { display: none; }
}

@media (max-width: 700px) {
  section { padding: 70px 0; }
  .hero { padding: 150px 0 90px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 32px; }
  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .contact-form { padding: 28px; }
}