/* =========================================
   YANLAI — DESIGN SYSTEM
========================================= */

:root {
    /* COLORES */
    --color-background: #f7f6f3;
    --color-surface: #ffffff;
    --color-surface-soft: #efede8;
  
    --color-text: #161518;
    --color-text-secondary: #69666d;
    --color-border: #dedbe1;
  
    --color-purple: #4b258f;
    --color-purple-dark: #351866;
    --color-purple-light: #eee8f7;
    --color-purple-glow: rgba(75, 37, 143, 0.18);
  
    /* TIPOGRAFÍA */
    --font-primary:
      Inter,
      "Helvetica Neue",
      Helvetica,
      Arial,
      sans-serif;
  
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.375rem;
  
    --font-size-heading-sm: clamp(2rem, 4vw, 3.5rem);
    --font-size-heading-md: clamp(3rem, 6vw, 5.75rem);
    --font-size-heading-lg: clamp(3.6rem, 7.5vw, 7.5rem);
  
    /* ESPACIADOS */
    --space-1: 0.5rem;
    --space-2: 1rem;
    --space-3: 1.5rem;
    --space-4: 2rem;
    --space-5: 3rem;
    --space-6: 4rem;
    --space-7: 6rem;
    --space-8: 8rem;
    --space-9: 10rem;
  
    /* ESTRUCTURA */
    --page-padding: clamp(1.5rem, 5vw, 5rem);
    --content-width: 1440px;
    --text-width: 720px;
  
    /* BORDES */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-pill: 999px;
  
    /* SOMBRAS */
    --shadow-soft:
      0 24px 70px rgba(27, 21, 38, 0.08);
  
    --shadow-card:
      0 18px 50px rgba(27, 21, 38, 0.06);
  
    --shadow-purple:
      0 30px 80px var(--color-purple-glow);
  
    /* TRANSICIONES */
    --transition-fast: 160ms ease;
    --transition-normal: 240ms ease;
    --transition-slow: 420ms ease;
  }
  
  /* =========================================
     BASE GLOBAL
  ========================================= */
  
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    background: var(--color-background);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    margin: 0;
    min-width: 320px;
    -webkit-font-smoothing: antialiased;
  }
  
  img,
  svg {
    display: block;
    max-width: 100%;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  button,
  input,
  textarea {
    font: inherit;
  }
  
  button,
  a {
    -webkit-tap-highlight-color: transparent;
  }
  
  h1,
  h2,
  h3,
  p {
    margin: 0;
  }
  
  /* =========================================
     COMPONENTES GLOBALES
  ========================================= */
  
  .container {
    margin: 0 auto;
    max-width: var(--content-width);
    padding-left: var(--page-padding);
    padding-right: var(--page-padding);
  }
  
  .eyebrow {
    color: var(--color-purple);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  
  .button {
    align-items: center;
    border: 1px solid transparent;
    cursor: pointer;
    display: inline-flex;
    gap: var(--space-2);
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    transition:
      background-color var(--transition-fast),
      border-color var(--transition-fast),
      color var(--transition-fast),
      transform var(--transition-fast);
  }
  
  .button-primary {
    background: var(--color-text);
    color: var(--color-surface);
  }
  
  .button-primary:hover {
    background: var(--color-purple-dark);
    transform: translateY(-2px);
  }
  
  .button-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
  }
  
  .button-secondary:hover {
    border-color: var(--color-purple);
    color: var(--color-purple);
    transform: translateY(-2px);
  }
  
  .purple-text {
    color: var(--color-purple);
  }