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

        :root {
          --primary-color: #ea4f33;
          --secondary-color: #821ad4;
          --tertiary-color: #4737bb;

          --background: #fafafa;
          --surface: #ffffff;
          --text-dark: #2d2d2d;
          --text-medium: #5a5a5a;
          --text-light: #8a8a8a;
          --accent-light: #f8f4ff;

          --gradient-primary: linear-gradient(
            135deg,
            var(--primary-color),
            var(--secondary-color)
          );
          --gradient-secondary: linear-gradient(
            135deg,
            var(--secondary-color),
            var(--tertiary-color)
          );
          --gradient-accent: linear-gradient(
            135deg,
            var(--tertiary-color),
            var(--primary-color)
          );

          --border-radius: 16px;
          --shadow-soft: 0 4px 20px rgba(234, 79, 51, 0.08);
          --shadow-medium: 0 8px 30px rgba(130, 26, 212, 0.12);
          --shadow-strong: 0 12px 40px rgba(71, 55, 187, 0.15);
          --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

          /* Responsive typography usando clamp() */
          --font-size-h1: clamp(1.8rem, 4.5vw, 3.5rem);
          --font-size-h2: clamp(1.4rem, 3.2vw, 2.2rem);
          --font-size-body: clamp(0.9rem, 2.1vw, 1.1rem);
          --spacing: clamp(1.2rem, 4.5vw, 2.5rem);
        }

        body {
          font-family: "Inter", system-ui, -apple-system, sans-serif;
          background: var(--background);
          color: var(--text-dark);
          line-height: 1.65;
          font-weight: 400;
        }

        /* HEADER Y NAVEGACIÓN */
        .header {
          background: var(--gradient-primary);
          color: white;
          position: sticky;
          top: 0;
          z-index: 100;
          -webkit-backdrop-filter: blur(20px);
          backdrop-filter: blur(20px);
          box-shadow: var(--shadow-medium);
        }

        .header-content {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 var(--spacing);
          display: flex;
          justify-content: space-between;
          align-items: center;
          min-height: 70px;
        }

        .logo {
          font-size: 1.5rem;
          font-weight: 700;
          text-decoration: none;
          color: white;
          display: flex;
          align-items: center;
          gap: 0.5rem;
        }

        .nav-menu {
          display: flex;
          list-style: none;
          gap: 2rem;
          align-items: center;
        }

        .nav-menu a {
          color: white;
          text-decoration: none;
          font-weight: 500;
          padding: 0.5rem 1rem;
          border-radius: 8px;
          transition: var(--transition);
          font-size: 0.95rem;
        }

        .nav-menu a:hover {
          background: rgba(255, 255, 255, 0.1);
          transform: translateY(-1px);
        }

        .hamburger {
          display: none;
          flex-direction: column;
          cursor: pointer;
          padding: 0.5rem;
          background: none;
          border: none;
          z-index: 101;
        }

        .hamburger span {
          width: 25px;
          height: 3px;
          background: white;
          margin: 3px 0;
          transition: var(--transition);
          border-radius: 2px;
        }

        .hamburger.active span:nth-child(1) {
          transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
          opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
          transform: rotate(-45deg) translate(7px, -6px);
        }

        /* Hero Section */
        .hero {
          text-align: center;
          padding: calc(var(--spacing) * 2) var(--spacing);
          background: var(--gradient-primary);
          color: white;
        }

        .hero h1 {
          font-size: var(--font-size-h1);
          margin-bottom: 0.8rem;
          font-weight: 700;
          text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .hero p {
          font-size: var(--font-size-body);
          opacity: 0.95;
          font-weight: 300;
          max-width: 600px;
          margin: 0 auto;
        }

        .container {
          max-width: 1200px;
          margin: 0 auto;
          padding: var(--spacing);
        }

        .debug-panel {
          position: fixed;
          bottom: 20px;
          right: 20px;
          background: var(--surface);
          padding: 0.8rem;
          border-radius: 8px;
          box-shadow: var(--shadow-medium);
          font-size: 0.75rem;
          z-index: 1000;
          min-width: 180px;
          border: 1px solid rgba(234, 79, 51, 0.1);
          opacity: 0.8;
          transition: var(--transition);
        }

        .debug-panel:hover {
          opacity: 1;
          transform: scale(1.02);
        }

        .debug-panel h4 {
          font-size: 0.8rem;
          margin-bottom: 0.5rem;
          color: var(--primary-color);
          font-weight: 600;
        }

        .debug-item {
          margin: 0.3rem 0;
          display: flex;
          justify-content: space-between;
          align-items: center;
          font-size: 0.7rem;
        }

        .debug-item span {
          color: var(--text-medium);
        }

        .debug-item strong {
          color: var(--primary-color);
          font-weight: 600;
          font-size: 0.7rem;
        }

        .examples-grid {
          display: grid;
          grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
          gap: var(--spacing);
          margin: 2rem 0;
        }

        .example-card {
          background: var(--surface);
          border-radius: var(--border-radius);
          padding: 2rem;
          box-shadow: var(--shadow-soft);
          transition: var(--transition);
          border-left: 4px solid var(--primary-color);
          position: relative;
          overflow: hidden;
        }

        .example-card::before {
          content: "";
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 2px;
          background: var(--gradient-secondary);
          transform: scaleX(0);
          transition: var(--transition);
        }

        .example-card:hover {
          transform: translateY(-6px);
          box-shadow: var(--shadow-strong);
        }

        .example-card:hover::before {
          transform: scaleX(1);
        }

        .example-card h3 {
          font-size: var(--font-size-h2);
          margin-bottom: 1rem;
          color: var(--text-dark);
          font-weight: 650;
        }

        .example-card p {
          color: var(--text-medium);
          margin-bottom: 1.5rem;
          line-height: 1.7;
          font-weight: 400;
        }

        .example-links {
          display: flex;
          flex-wrap: wrap;
          gap: 0.75rem;
        }

        .example-link {
          display: inline-flex;
          align-items: center;
          gap: 0.5rem;
          padding: 0.65rem 1.2rem;
          background: var(--gradient-primary);
          color: white;
          text-decoration: none;
          border-radius: 10px;
          font-size: 0.875rem;
          font-weight: 500;
          transition: var(--transition);
          box-shadow: 0 2px 8px rgba(234, 79, 51, 0.2);
        }

        .example-link:hover {
          transform: translateY(-2px);
          box-shadow: 0 6px 20px rgba(234, 79, 51, 0.3);
        }

        .example-link.secondary {
          background: var(--gradient-secondary);
          box-shadow: 0 2px 8px rgba(130, 26, 212, 0.2);
        }

        .example-link.secondary:hover {
          box-shadow: 0 6px 20px rgba(130, 26, 212, 0.3);
        }

        .category-tag {
          display: inline-block;
          background: var(--accent-light);
          color: var(--tertiary-color);
          padding: 0.4rem 1rem;
          border-radius: 25px;
          font-size: 0.75rem;
          font-weight: 650;
          margin-bottom: 1.2rem;
          border: 1px solid rgba(71, 55, 187, 0.15);
        }

        .category-tag.beginner {
          background: rgba(234, 79, 51, 0.08);
          color: var(--primary-color);
          border: 1px solid rgba(234, 79, 51, 0.15);
        }

        .category-tag.intermediate {
          background: rgba(130, 26, 212, 0.08);
          color: var(--secondary-color);
          border: 1px solid rgba(130, 26, 212, 0.15);
        }

        .category-tag.advanced {
          background: rgba(71, 55, 187, 0.08);
          color: var(--tertiary-color);
          border: 1px solid rgba(71, 55, 187, 0.15);
        }

        .section-header {
          text-align: center;
          margin: 4rem 0 2.5rem;
        }

        .section-header h2 {
          font-size: var(--font-size-h1);
          color: var(--text-dark);
          margin-bottom: 0.8rem;
          font-weight: 700;
          background: var(--gradient-secondary);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
        }

        .section-header p {
          color: var(--text-medium);
          font-size: 1.1rem;
          font-weight: 300;
        }

        .intro {
          background: var(--surface);
          padding: 2.5rem;
          border-radius: var(--border-radius);
          box-shadow: var(--shadow-soft);
          margin: 2rem 0;
          text-align: center;
          border: 1px solid rgba(234, 79, 51, 0.08);
          position: relative;
          overflow: hidden;
        }

        .intro::before {
          content: "";
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 3px;
          background: var(--gradient-accent);
        }

        .intro h2 {
          background: var(--gradient-primary);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
          margin-bottom: 1.2rem;
          font-weight: 700;
        }

        .intro p {
          color: var(--text-medium);
          font-size: 1.1rem;
          line-height: 1.7;
          font-weight: 300;
        }

        .footer {
          background: var(--text-dark);
          color: white;
          margin-top: 4rem;
          padding: 3rem 0 1.5rem;
          position: relative;
          overflow: hidden;
        }

        .footer::before {
          content: "";
          position: absolute;
          top: 0;
          left: 0;
          right: 0;
          height: 4px;
          background: var(--gradient-accent);
        }

        .footer-content {
          max-width: 1200px;
          margin: 0 auto;
          padding: 0 2rem;
        }

        .footer-main {
          display: grid;
          grid-template-columns: 1fr 2fr;
          gap: 3rem;
          margin-bottom: 2rem;
        }

        .footer-logo h3 {
          font-size: 1.5rem;
          margin-bottom: 0.8rem;
          background: var(--gradient-primary);
          -webkit-background-clip: text;
          -webkit-text-fill-color: transparent;
          background-clip: text;
        }

        .footer-logo p {
          color: #b0b0b0;
          line-height: 1.6;
          font-weight: 300;
        }

        .footer-links {
          display: grid;
          grid-template-columns: repeat(3, 1fr);
          gap: 2rem;
        }

        .footer-section h4 {
          color: white;
          margin-bottom: 1rem;
          font-size: 1.1rem;
          font-weight: 600;
        }

        .footer-section ul {
          list-style: none;
        }

        .footer-section ul li {
          margin-bottom: 0.5rem;
        }

        .footer-section ul li a {
          color: #b0b0b0;
          text-decoration: none;
          transition: var(--transition);
          font-size: 0.9rem;
          font-weight: 400;
        }

        .footer-section ul li a:hover {
          color: white;
          transform: translateX(4px);
        }

        .footer-bottom {
          display: flex;
          justify-content: space-between;
          align-items: center;
          padding-top: 2rem;
          border-top: 1px solid #404040;
          flex-wrap: wrap;
          gap: 1rem;
        }

        .footer-credits p {
          color: #b0b0b0;
          font-size: 0.85rem;
          margin-bottom: 0.3rem;
        }

        .femcoders-link {
          color: var(--primary-color);
          text-decoration: none;
          font-weight: 600;
          transition: var(--transition);
        }

        .femcoders-link:hover {
          color: var(--secondary-color);
        }

        .footer-tech {
          display: flex;
          gap: 0.5rem;
          flex-wrap: wrap;
        }

        .tech-badge {
          background: rgba(234, 79, 51, 0.15);
          color: var(--primary-color);
          padding: 0.3rem 0.8rem;
          border-radius: 15px;
          font-size: 0.75rem;
          font-weight: 500;
          border: 1px solid rgba(234, 79, 51, 0.3);
        }

        /* MEDIA QUERIES */
        @media (max-width: 1024px) {
          .hamburger {
            display: flex;
          }

          .nav-menu {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            height: calc(100vh - 70px);
            background: var(--gradient-primary);
            flex-direction: column;
            justify-content: flex-start;
            align-items: center;
            padding-top: 2rem;
            transform: translateX(-100%);
            transition: var(--transition);
            gap: 1rem;
          }

          .nav-menu.active {
            transform: translateX(0);
          }

          .nav-menu a {
            padding: 1rem 2rem;
            font-size: 1.1rem;
            width: 80%;
            text-align: center;
            border-radius: 12px;
          }
        }

        @media (max-width: 768px) {

          .examples-grid {
            grid-template-columns: 1fr;
          }

          .debug-panel {
            bottom: 10px;
            right: 10px;
            left: 10px;
            min-width: auto;
            padding: 0.6rem;
            opacity: 0.9;
          }

          .debug-panel h4 {
            display: none;
          }

          .debug-item {
            font-size: 0.65rem;
            margin: 0.2rem 0;
          }

          .example-links {
            flex-direction: column;
          }

          .footer-main {
            grid-template-columns: 1fr;
            gap: 2rem;
          }

          .footer-links {
            grid-template-columns: 1fr;
            gap: 1.5rem;
          }

          .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 1.5rem;
          }

          .footer-tech {
            justify-content: center;
          }
        }

        @media (max-width: 480px) {
          .header-content {
            padding: 0 1rem;
          }

          .hero {
            padding: 2rem 1rem;
          }

          .container {
            padding: 1rem;
          }

          .example-card {
            padding: 1.5rem;
          }

          .debug-panel {
            bottom: 5px;
            right: 5px;
            left: 5px;
            padding: 0.5rem;
          }

          .debug-item {
            font-size: 0.6rem;
          }

          .footer {
            padding: 2rem 0 1rem;
          }

          .footer-content {
            padding: 0 1rem;
          }
        }

        /* Scroll suave para las secciones */
        html {
          scroll-behavior: smooth;
        }

        /* Estilo para secciones con IDs */
        section {
          scroll-margin-top: 80px;
        }