/* ============================================================
   VARIABLES Y RESET GLOBAL
============================================================ */
:root {
  /* Paleta */
  --green-darkest:  #1a2e1a;
  --green-dark:     #2d5a27;
  --green-mid:      #4a7c59;
  --green-light:    #6daa7a;
  --green-pale:     #a8d5b5;
  --green-mint:     #d4edda;
  --cream-dark:     #c8b99a;
  --cream-mid:      #e8dcc8;
  --cream-light:    #f5f0e8;
  --cream-white:    #fdfaf4;
  --danger-red:     #c0392b;
  --danger-orange:  #e67e22;
  --white:          #ffffff;
  --text-dark:      #1a2e1a;
  --text-mid:       #3d5a40;
  --text-light:     #5a7a5d;
  --shadow-sm:      0 2px 8px rgba(26,46,26,.12);
  --shadow-md:      0 6px 24px rgba(26,46,26,.16);
  --shadow-lg:      0 12px 48px rgba(26,46,26,.22);

  /* Tipografía */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Lato', Arial, sans-serif;

  /* Espaciado */
  --section-pad: 6rem 0;
  --container-max: 1200px;
  --radius-sm: .5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;

  /* Transiciones */
  --trans-fast:   .15s ease;
  --trans-mid:    .3s ease;
  --trans-slow:   .5s ease;
}

*, *::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(--cream-white);
  color: var(--text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

/* ============================================================
   UTILIDADES
============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 2rem;
  border-radius: 3rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: .04em;
  transition: all var(--trans-mid);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--green-mid);
  color: var(--white);
  border-color: var(--green-mid);
  box-shadow: 0 4px 16px rgba(74,124,89,.4);
}
.btn--primary:hover, .btn--primary:focus {
  background: var(--green-dark);
  border-color: var(--green-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74,124,89,.5);
}

.btn--full { width: 100%; justify-content: center; }

/* Animaciones de entrada */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(2rem); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.05); }
}

.animate-in {
  animation: fadeInUp .6s ease both;
}