/* ============================================
   WEBS EXPRESS IA — Plantilla LIGHT (Clara)
   Variante clara para negocios más tradicionales
   ============================================ */

:root {
  /* === PERSONALIZAR POR CLIENTE === */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;

  /* === TEMA CLARO === */
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-card: #ffffff;
  --color-text: #334155;
  --color-text-muted: #64748b;
  --color-text-heading: #0f172a;
  --color-border: rgba(0, 0, 0, 0.08);
  --color-glass: rgba(255, 255, 255, 0.85);
  --color-glass-border: rgba(0, 0, 0, 0.06);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 40px rgba(37, 99, 235, 0.08);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', var(--font-sans);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-text-heading);
  line-height: 1.2;
  font-weight: 700;
}

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

section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
}

/* === HEADER / NAV === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-smooth);
}

.header.scrolled {
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-glass-border);
  padding: 10px 0;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text-heading);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
  transition: color var(--transition-fast);
}

.nav a:hover {
  color: var(--color-text-heading);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 20px;
  background: var(--color-primary);
  color: #fff !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.3);
}

.nav-cta::after {
  display: none !important;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-heading);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

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

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 80px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 560px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(37, 99, 235, 0.08);
  border: 1px solid rgba(37, 99, 235, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 24px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  line-height: 1.1;
}

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

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-text-heading);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.hero-image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-float-card {
  position: absolute;
  background: var(--color-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: var(--shadow-md);
  animation: float 6s ease-in-out infinite;
}

.hero-float-card.card-1 {
  top: 10%;
  right: -30px;
  animation-delay: 0s;
}

.hero-float-card.card-2 {
  bottom: 15%;
  left: -24px;
  animation-delay: 2s;
}

.hero-float-card .card-icon {
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.hero-float-card .card-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-heading);
}

.hero-float-card .card-sub {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.4);
  color: #fff;
}

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

.btn-secondary:hover {
  background: var(--color-bg-alt);
  border-color: var(--color-text-muted);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  color: #fff;
}

.btn-phone {
  background: var(--color-primary);
  color: #fff;
}

.btn-phone:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  color: #fff;
}

/* === SERVICIOS === */
.services {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.service-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-smooth);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
  background: rgba(37, 99, 235, 0.12);
  transform: scale(1.05);
}

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

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* === SOBRE NOSOTROS === */
.about {
  background: var(--color-bg-alt);
}

.about .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

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

.about-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.about-feature-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.about-feature h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.about-feature p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* === RESEÑAS === */
.reviews {
  background: var(--color-bg);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.review-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition-smooth);
}

.review-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: var(--color-accent);
  font-size: 1rem;
}

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

.review-text::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 0;
  position: relative;
  top: 16px;
  margin-right: 4px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
}

.review-author-info .name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-heading);
}

.review-author-info .role {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* === CONTACTO === */
.contact {
  background: var(--color-bg-alt);
}

.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

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

.contact-item p,
.contact-item a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.contact-cta-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.contact-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* === MAPA === */
.map-section {
  padding: 0;
}

.map-wrapper {
  width: 100%;
  height: 400px;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* === FOOTER === */
.footer {
  background: var(--color-bg-alt);
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  max-width: 320px;
  line-height: 1.7;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.footer-links h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--color-text-heading);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-legal a {
  color: var(--color-text-muted);
  margin-left: 20px;
}

.footer-legal a:hover {
  color: var(--color-primary);
}

/* === FLOATING CTA (MOBILE) === */
.floating-cta {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  gap: 10px;
  z-index: 999;
  padding: 8px;
  background: var(--color-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
}

.floating-cta .btn {
  padding: 12px 20px;
  font-size: 0.85rem;
}

/* === SCROLL REVEAL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }

/* === RESPONSIVE === */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content { max-width: 100%; }
  .hero-buttons { justify-content: center; }
  .hero-stats { justify-content: center; }
  .hero-visual { max-width: 500px; margin: 0 auto; }
  .about .container { grid-template-columns: 1fr; }
  .about-image { max-height: 400px; }
  .contact .container { grid-template-columns: 1fr; }
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    padding: 40px;
    transition: right var(--transition-smooth);
    border-left: 1px solid var(--color-border);
    box-shadow: -8px 0 32px rgba(0,0,0,0.1);
  }

  .nav.open { right: 0; }
  .nav a { font-size: 1.1rem; }
  .menu-toggle { display: flex; }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-stats { gap: 24px; }
  .hero-stat .number { font-size: 1.5rem; }
  .form-row { grid-template-columns: 1fr; }
  .floating-cta { display: flex; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .hero-float-card { display: none; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .hero-buttons { flex-direction: column; width: 100%; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-stats { flex-direction: column; align-items: center; gap: 16px; }
  .hero-stat { text-align: center; }
  .reviews-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
}