/* VP Soluciones - Estilos principales */
/* Diseño: profesional, claro, comercial, cercano */

:root {
  --color-primary: #df1474;
  --color-primary-dark: #a80f57;
  --color-primary-light: #e84a93;
  --color-text: #4A4A4A;
  --color-text-light: #86939E;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F5F7FA;
  --color-bg-dark: #2C2C2C;
  --color-footer: #484848;
  --color-border: #ECECEC;
  --color-white: #FFFFFF;
  --gradient-1: linear-gradient(225deg, #7742B2 0%, #FD8BD9 100%);
  --gradient-2: linear-gradient(225deg, #22E1FF 0%, #1D8FE1 100%);
  --gradient-3: linear-gradient(225deg, #20E2D7 0%, #F9FEA5 100%);
  --gradient-4: linear-gradient(225deg, #FFE29F 0%, #FF719A 100%);
  --font-body: 'PT Serif', Georgia, 'Times New Roman', serif;
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--color-primary-light);
  outline-offset: 2px;
}
ul, ol { list-style: none; }

/* Container */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--spacing-sm); }

/* Skip link */
.skip-link { position: absolute; top: -100px; left: 0; background: var(--color-primary); color: var(--color-white); padding: var(--spacing-sm) var(--spacing-md); z-index: 2000; border-radius: 0 0 var(--radius) 0; }
.skip-link:focus { top: 0; }

/* Top bar */
.topbar { background: var(--color-bg-dark); color: var(--color-white); font-family: var(--font-heading); font-size: 0.85rem; padding: 0.4rem 0; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.topbar a { color: var(--color-white); }
.topbar a:hover { color: var(--color-primary-light); }

/* Header */
.header { position: sticky; top: 0; background: var(--color-white); z-index: 1000; box-shadow: var(--shadow-sm); transition: box-shadow var(--transition); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 0.8rem; padding-bottom: 0.8rem; }
.logo img { height: 50px; width: auto; }

/* Navigation */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 25px; height: 3px; background: var(--color-text); border-radius: 2px; transition: var(--transition); }
.nav-toggle span + span { margin-top: 5px; }
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(6px, 6px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

.nav-menu { display: flex; gap: var(--spacing-md); align-items: center; font-family: var(--font-heading); font-weight: 500; }
.nav-menu a { color: var(--color-text); display: flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0; position: relative; }
.nav-menu a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-primary); transition: width var(--transition); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-menu a.active { color: var(--color-primary); }
.nav-cta { background: var(--color-primary); color: var(--color-white) !important; padding: 0.6rem 1.5rem !important; border-radius: var(--radius-sm); }
.nav-cta:hover { background: var(--color-primary-dark); }
.nav-cta::after { display: none; }

/* Hero */
.hero { position: relative; min-height: 520px; display: flex; align-items: center; overflow: hidden; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%); }
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1s ease; background-size: cover; background-position: center; }
.hero-slide.active { opacity: 1; }
.hero-slide::after { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.45); }
.hero-content { position: relative; z-index: 2; color: var(--color-white); padding: var(--spacing-xl) 0; }
.hero-content .container { max-width: 760px; }
.hero-pre { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 300; opacity: 0.9; margin-bottom: 0.5rem; }
.hero h1 { font-family: var(--font-body); font-size: clamp(1.8rem, 5vw, 3.5rem); line-height: 1.2; font-weight: normal; }
.hero h1 .accent { color: var(--color-primary-light); font-family: var(--font-heading); font-weight: 600; }
.hero-dots { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); display: flex; gap: 0.6rem; z-index: 3; }
.hero-dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; border: none; transition: var(--transition); }
.hero-dot.active { background: var(--color-white); transform: scale(1.2); }

/* Sections */
section { padding: var(--spacing-lg) 0; }
.section-alt { background: var(--color-bg-alt); }
.section-title { font-family: var(--font-body); font-size: clamp(1.6rem, 3.5vw, 2.5rem); color: var(--color-text); margin-bottom: 1rem; }
.section-title .accent { color: var(--color-primary); font-family: var(--font-heading); font-weight: 600; }
.section-divider { width: 60px; height: 5px; background: var(--color-primary); border: none; border-radius: 3px; margin-bottom: var(--spacing-md); }
.section-subtitle { color: var(--color-text-light); font-size: 1.1rem; max-width: 600px; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: var(--spacing-md); margin-top: var(--spacing-lg); }
.service-card { background: var(--color-white); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-icon-wrap { padding: 2.5rem 2rem 1.5rem; display: flex; justify-content: center; }
.service-icon { width: 80px; height: 80px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; color: var(--color-white); }
.service-icon.g1 { background: var(--gradient-1); }
.service-icon.g2 { background: var(--gradient-2); }
.service-icon.g3 { background: var(--gradient-3); }
.service-icon.g4 { background: var(--gradient-4); }
.service-body { padding: 0 1.5rem 2rem; text-align: center; }
.service-body h3 { font-family: var(--font-heading); font-weight: 600; font-size: 1.25rem; color: var(--color-text); margin-bottom: 0.6rem; }
.service-body p { color: var(--color-text-light); font-size: 0.95rem; }

/* Stats */
.stats { background: var(--color-bg-alt); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: var(--spacing-md); text-align: center; }
.stat-number { font-family: var(--font-heading); font-weight: 700; font-size: 2.5rem; color: var(--color-primary); }
.stat-label { font-family: var(--font-heading); font-size: 1rem; color: var(--color-text-light); margin-top: 0.3rem; }

/* CTA banner */
.cta-banner { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: var(--color-white); text-align: center; padding: var(--spacing-lg) 0; }
.cta-banner h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); font-weight: normal; margin-bottom: 1rem; }
.cta-banner .btn { margin-top: 1rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-heading); font-weight: 600; font-size: 1rem; padding: 0.75rem 2rem; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: var(--transition); text-decoration: none; }
.btn-primary { background: var(--color-primary); color: var(--color-white); }
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-white); }
.btn-outline { background: transparent; color: var(--color-white); border: 2px solid var(--color-white); }
.btn-outline:hover { background: var(--color-white); color: var(--color-primary); }
.btn-light { background: var(--color-white); color: var(--color-primary); }
.btn-light:hover { background: var(--color-bg-alt); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--spacing-lg); margin-top: var(--spacing-md); }
.contact-info h3 { font-family: var(--font-heading); font-weight: 600; margin-bottom: 1rem; }
.contact-info p { margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.6rem; color: var(--color-text-light); }
.contact-info a { color: var(--color-text-light); }
.contact-info a:hover { color: var(--color-primary); }
.contact-form { background: var(--color-white); padding: var(--spacing-lg); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-family: var(--font-heading); font-weight: 500; font-size: 0.9rem; color: var(--color-text); margin-bottom: 0.4rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.7rem 1rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 1rem; color: var(--color-text); background: var(--color-white); transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--color-primary); outline: none; }
.form-group textarea { min-height: 120px; resize: vertical; }
.form-error { color: #e74c3c; font-size: 0.85rem; margin-top: 0.3rem; display: none; }
.form-error.visible { display: block; }
.form-success { background: #e8f8f5; color: #20a884; padding: 1rem; border-radius: var(--radius-sm); margin-bottom: 1rem; display: none; }
.form-success.visible { display: block; }

/* Privacy checkbox */
.form-privacy-note { background: var(--color-bg-alt); padding: 1rem; border-radius: var(--radius-sm); margin-bottom: 1.2rem; font-size: 0.85rem; color: var(--color-text-light); line-height: 1.5; }
.form-privacy-note p { margin: 0; }
.form-privacy-note a { color: var(--color-primary); text-decoration: underline; }
.form-group-checkbox { display: flex; align-items: flex-start; gap: 0.5rem; }
.checkbox-label { display: flex; align-items: flex-start; gap: 0.5rem; cursor: pointer; font-size: 0.9rem; color: var(--color-text); font-weight: 500; }
.checkbox-label input { margin-top: 0.2rem; width: auto; }

/* Legal pages */
.legal-content { max-width: 800px; margin: 0 auto; padding: var(--spacing-lg) 0; }
.legal-content h1 { font-family: var(--font-heading); font-weight: 600; font-size: 2rem; color: var(--color-text); margin-bottom: var(--spacing-md); }
.legal-content h2 { font-family: var(--font-heading); font-weight: 600; font-size: 1.3rem; color: var(--color-text); margin: 1.5rem 0 0.8rem; }
.legal-content p { margin-bottom: 1rem; color: var(--color-text); line-height: 1.7; }
.legal-content ul { list-style: disc; padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content ul li { margin-bottom: 0.5rem; }
.legal-content strong { color: var(--color-text); }

/* Footer */
.footer { background: var(--color-footer); color: rgba(255,255,255,0.7); padding: var(--spacing-lg) 0 var(--spacing-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--spacing-md); margin-bottom: var(--spacing-md); }
.footer-brand p { margin-top: 0.8rem; font-size: 0.9rem; line-height: 1.6; }
.footer h4 { font-family: var(--font-heading); font-weight: 600; color: var(--color-white); margin-bottom: 0.8rem; font-size: 1rem; }
.footer-links li { margin-bottom: 0.4rem; }
.footer-links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-white); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); padding-top: var(--spacing-sm); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; font-size: 0.85rem; }
.footer-bottom a { color: rgba(255,255,255,0.7); }

/* Cookie banner */
.cookie-banner { position: fixed; bottom: 0; left: 0; right: 0; background: var(--color-bg-dark); color: var(--color-white); padding: 1rem; z-index: 3000; display: none; box-shadow: 0 -4px 20px rgba(0,0,0,0.15); }
.cookie-banner.visible { display: block; }
.cookie-banner .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
.cookie-banner p { font-size: 0.9rem; max-width: 700px; }
.cookie-banner p a { color: var(--color-primary-light); text-decoration: underline; }
.cookie-banner .btn { font-size: 0.85rem; padding: 0.5rem 1.2rem; }

/* Back to top */
.back-top { position: fixed; bottom: 2rem; right: 2rem; width: 44px; height: 44px; border-radius: 50%; background: var(--color-primary); color: var(--color-white); border: none; cursor: pointer; display: none; align-items: center; justify-content: center; font-size: 1.2rem; z-index: 999; transition: var(--transition); }
.back-top.visible { display: flex; }
.back-top:hover { background: var(--color-primary-dark); }

/* Animations */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 991px) {
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 767px) {
  section { padding: var(--spacing-md) 0; }
  .nav-toggle { display: block; }
  .nav-menu { position: fixed; top: 0; right: -100%; width: 80%; max-width: 320px; height: 100vh; background: var(--color-white); flex-direction: column; align-items: flex-start; padding: 5rem 1.5rem 2rem; gap: 0.5rem; box-shadow: var(--shadow-lg); transition: right 0.3s ease; z-index: 1500; overflow-y: auto; }
  .nav-menu.open { right: 0; }
  .nav-menu a { width: 100%; padding: 0.8rem 0; border-bottom: 1px solid var(--color-border); }
  .nav-menu a::after { display: none; }
  .nav-cta { margin-top: 0.5rem; border-bottom: none !important; }
  .hero { min-height: 380px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cookie-banner .container { flex-direction: column; text-align: center; }
  .back-top { bottom: 1rem; right: 1rem; }
}

/* Print */
@media print {
  .nav-menu, .topbar, .hero-dots, .back-top, .cookie-banner { display: none !important; }
  .hero { min-height: auto; background: none; color: var(--color-text); }
  .hero-slide::after { display: none; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-up { opacity: 1; transform: none; }
  .hero-slide { transition: none; }
}