/* ==========================================
   BUILES LEGAL - BASE: Variables, Reset, Utilidades, Botones
   ========================================== */

/* 1. Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Domine:wght@400;600;700&family=Work+Sans:wght@300;400;500;600;700&display=swap');

/* 2. Variables & Design Tokens */
:root {
  --font-heading: 'Domine', Georgia, serif;
  --font-body: 'Work Sans', -apple-system, sans-serif;

  /* Premium Corporative Colors */
  --bg-primary: #002157;
  --bg-secondary: #f8fafc;
  --bg-card: #ffffff;
  --bg-dark-card: #002b70;
  --accent-gold: #C1A076;
  --accent-gold-hover: #b08e64;
  --accent-tertiary: #471202;
  --accent-neutral: #77777B;
  --text-primary: #0f172a;
  --text-primary-light: #ffffff;
  --text-secondary: #475569;
  --text-secondary-light: #e2e8f0;
  --border-color: rgba(193, 160, 118, 0.25);
  --btn-gold-bg: #C1A076;
  --btn-gold-text: #ffffff;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 8px;
}

/* 3. Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* 4. Tipografía global */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

ul {
  list-style: none;
}

/* 5. Utilidades de layout */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tagline {
  color: var(--accent-gold);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-weight: 600;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.6rem;
  color: var(--bg-primary);
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent-gold);
  border-radius: 2px;
}

/* 6. Botones */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 2rem;
  border-radius: var(--border-radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  cursor: pointer;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--btn-gold-bg);
  color: var(--btn-gold-text);
}

.btn-primary:hover {
  background-color: var(--accent-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(197, 168, 128, 0.4);
}

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

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

/* 7. Animaciones */
@keyframes float {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

/* 8. Integraciones de WhatsApp */
.btn-whatsapp-icon {
  width: 20px;
  height: 20px;
  margin-right: 10px;
  fill: currentColor;
  display: inline-block;
  vertical-align: middle;
}

.btn-primary .btn-whatsapp-icon {
  fill: var(--btn-gold-text);
}

.nav-cta .btn-whatsapp-icon {
  fill: var(--accent-gold);
  transition: var(--transition-smooth);
}

.nav-cta:hover .btn-whatsapp-icon {
  fill: var(--bg-primary);
}

.btn-expertise-cta .btn-whatsapp-icon {
  fill: var(--bg-primary);
}

/* Tarjeta flotante de WhatsApp */
.whatsapp-floating-card {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(193, 160, 118, 0.3);
  padding: 12px 20px;
  border-radius: 50px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  animation: float-whatsapp 6s ease-in-out infinite;
}

.whatsapp-floating-card:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 15px 30px rgba(103, 193, 94, 0.3);
  border-color: #67C15E;
  background: #ffffff;
}

.whatsapp-floating-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-floating-icon svg {
  width: 100%;
  height: 100%;
}

.whatsapp-floating-text {
  display: flex;
  flex-direction: column;
}

.whatsapp-floating-title {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg-primary);
  line-height: 1.2;
}

.whatsapp-floating-status {
  font-size: 0.7rem;
  color: #67C15E;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
}

.whatsapp-floating-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: #67C15E;
  border-radius: 50%;
  display: inline-block;
  animation: pulse 1.5s infinite;
}

@keyframes float-whatsapp {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.5; }
  100% { transform: scale(0.9); opacity: 1; }
}

@media (max-width: 768px) {
  .whatsapp-floating-card {
    bottom: 20px;
    right: 20px;
    padding: 10px 16px;
  }
  .whatsapp-floating-title {
    font-size: 0.8rem;
  }
}

/* 9. Logo de Imagen */
.logo-brand-link {
  display: inline-block;
  vertical-align: middle;
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
  transition: var(--transition-smooth);
  object-fit: contain;
  border-radius: var(--border-radius);
}

.logo-img:hover {
  transform: scale(1.02);
}