:root {
      --bg-start: #a0e7e5;     /* teal claro */
      --bg-end:   #ffd1dc;     /* rosa pastel suave */
      --text-dark: #2d1b12;    /* marrón oscuro para títulos */
      --text-sub:  #4a4a4a;    /* gris oscuro para párrafos */
      --btn-bg:   #c084fc;     /* morado/lila suave */
      --btn-hover: #b065f6;
      --white: #ffffff;
    }

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

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background: linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);
      min-height: 100vh;
      color: var(--text-sub);
      line-height: 1.7;
    }

    header nav {
      padding: 1.8rem 5%;
      text-align: right;
    }

    nav a {
      color: var(--text-dark);
      text-decoration: none;
      font-weight: 500;
      margin-left: 2.5rem;
      transition: color 0.3s;
    }

    nav a:hover {
      color: var(--btn-bg);
    }

    .hero {
      min-height: 90vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 2rem 5%;
    }

    .hero h1 {
      font-size: clamp(3rem, 9vw, 6rem);
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.05;
      margin-bottom: 1.8rem;
      letter-spacing: -1.5px;
    }

    .hero .subtitle {
      font-size: clamp(1.4rem, 4.5vw, 2rem);
      max-width: 800px;
      margin-bottom: 2.5rem;
      color: var(--text-sub);
    }

    .hero .small-text {
      font-size: 1.15rem;
      max-width: 750px;
      margin-bottom: 3.5rem;
      opacity: 0.92;
    }

    .btn {
      display: inline-block;
      background: var(--btn-bg);
      color: white;
      font-size: 1.25rem;
      font-weight: 600;
      padding: 1.2rem 3rem;
      border-radius: 9999px;
      text-decoration: none;
      transition: all 0.3s ease;
      box-shadow: 0 6px 20px rgba(192, 132, 252, 0.35);
    }

    .btn:hover {
      background: var(--btn-hover);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(192, 132, 252, 0.45);
    }

    .section {
      padding: 5rem 5% 6rem;
      max-width: 900px;
      margin: 0 auto 3rem;
      text-align: center;
      background: rgba(255,255,255,0.4);
      border-radius: 20px;
      backdrop-filter: blur(10px);
      box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    }

    .section h2 {
      font-size: 2.5rem;
      color: var(--text-dark);
      margin-bottom: 1.8rem;
    }

    .section p {
      font-size: 1.18rem;
      margin-bottom: 1.6rem;
    }

    .highlight {
      color: var(--text-dark);
      font-weight: bold;
    }

    .stats {
      font-size: 1.4rem;
      margin: 2rem 0;
      padding: 1.5rem;
      background: rgba(255,255,255,0.6);
      border-radius: 16px;
    }

    ul {
      list-style: none;
      text-align: left;
      max-width: 700px;
      margin: 1.5rem auto;
    }

    ul li {
      margin: 1rem 0;
      font-size: 1.15rem;
      position: relative;
      padding-left: 2rem;
    }

    ul li::before {
      content: "•";
      position: absolute;
      left: 0;
      color: var(--btn-bg);
      font-size: 1.8rem;
    }

    @media (max-width: 768px) {
      .hero h1 { font-size: 3.8rem; }
      .hero .subtitle { font-size: 1.5rem; }
      nav a { margin-left: 1.5rem; font-size: 1rem; }
    }