/* =========================================
   VARIABLES Y RESET
   ========================================= */
:root {
  --color-primary: #1a6b6b;      /* verde petróleo / teal principal */
  --color-primary-dark: #0f4f4f;
  --color-primary-light: #e8f2f1; /* fondo claro hero */
  --color-accent: #c9a87c;        /* dorado sutil (detalles, anillo, reloj) */
  --color-text: #2b2b2b;
  --color-text-light: #6b6b6b;
  --color-white: #ffffff;
  --color-border: #e2e8e7;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Poppins', Arial, sans-serif;

  --max-width: 1536px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 999px;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 20px rgba(0,0,0,0.08);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  line-height: 1.5;
  background: var(--color-white);
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 40px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  line-height: 1.2;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  border: 2px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-solid {
  background: var(--color-primary);
  color: var(--color-white);
}

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

.section-title {
  text-align: center;
  font-size: 28px;
  color: var(--color-primary-dark);
  letter-spacing: 0.5px;
  margin-bottom: 40px;
  text-transform: uppercase;
  font-weight: 700;
  font-family: var(--font-body);
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
}