diff --git a/assets/css/custom.css b/assets/css/custom.css
new file mode 100644
index 0000000..3e38c3e
--- /dev/null
+++ b/assets/css/custom.css
@@ -0,0 +1,85 @@
+
+body {
+    background-color: #264653;
+    color: #FFFFFF;
+    font-family: 'Poppins', sans-serif;
+}
+
+.welcome-container {
+    min-height: 100vh;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+}
+
+.welcome-card {
+    background-color: #2F5666;
+    border: none;
+    border-radius: 0.5rem;
+    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
+    padding: 2rem;
+    width: 100%;
+    max-width: 450px;
+}
+
+.welcome-card .card-title {
+    color: #E9C46A;
+    font-weight: 700;
+    text-align: center;
+    margin-bottom: 1.5rem;
+}
+
+.btn-primary {
+    background-color: #2A9D8F;
+    border-color: #2A9D8F;
+    font-weight: 600;
+    padding: 0.75rem 1.5rem;
+    border-radius: 0.5rem;
+    transition: all 0.3s ease;
+}
+
+.btn-primary:hover {
+    background-color: #248a7e;
+    border-color: #248a7e;
+    transform: translateY(-2px);
+}
+
+.btn-secondary {
+    background-color: #E9C46A;
+    border-color: #E9C46A;
+    color: #264653;
+    font-weight: 600;
+    padding: 0.75rem 1.5rem;
+    border-radius: 0.5rem;
+    transition: all 0.3s ease;
+}
+
+.btn-secondary:hover {
+    background-color: #d4b35f;
+    border-color: #d4b35f;
+    transform: translateY(-2px);
+}
+
+.form-control {
+    background-color: #264653;
+    border: 1px solid #2A9D8F;
+    color: #FFFFFF;
+    border-radius: 0.5rem;
+    padding: 0.75rem 1rem;
+}
+
+.form-control:focus {
+    background-color: #264653;
+    color: #FFFFFF;
+    border-color: #E9C46A;
+    box-shadow: 0 0 0 0.25rem rgba(233, 196, 106, 0.25);
+}
+
+.form-label {
+    color: #E9C46A;
+    font-weight: 600;
+}
+
+.hidden {
+    display: none;
+}
diff --git a/assets/js/main.js b/assets/js/main.js
new file mode 100644
index 0000000..ffddb9f
--- /dev/null
+++ b/assets/js/main.js
@@ -0,0 +1,50 @@
+document.addEventListener('DOMContentLoaded', function() {
+    const initialChoiceDiv = document.getElementById('initial-choice');
+    const guestFormDiv = document.getElementById('guest-form-div');
+    const registerFormDiv = document.getElementById('register-form-div');
+
+    const showGuestBtn = document.getElementById('show-guest-form');
+    const showRegisterBtn = document.getElementById('show-register-form');
+
+    const guestForm = document.getElementById('guest-form');
+    const registerForm = document.getElementById('register-form');
+
+    if (showGuestBtn) {
+        showGuestBtn.addEventListener('click', () => {
+            initialChoiceDiv.classList.add('hidden');
+            guestFormDiv.classList.remove('hidden');
+        });
+    }
+
+    if (showRegisterBtn) {
+        showRegisterBtn.addEventListener('click', () => {
+            initialChoiceDiv.classList.add('hidden');
+            registerFormDiv.classList.remove('hidden');
+        });
+    }
+
+    if (guestForm) {
+        guestForm.addEventListener('submit', (e) => {
+            e.preventDefault();
+            const username = document.getElementById('guest-username').value;
+            if (username.trim() === '') {
+                alert('Por favor, ingresa un nombre de usuario.');
+            } else {
+                alert(`¡Bienvenido, ${username}! La lógica del juego se implementará en el siguiente paso.`);
+            }
+        });
+    }
+
+    if (registerForm) {
+        registerForm.addEventListener('submit', (e) => {
+            e.preventDefault();
+            const username = document.getElementById('register-username').value;
+            const email = document.getElementById('register-email').value;
+            if (username.trim() === '' || email.trim() === '') {
+                alert('Por favor, completa todos los campos.');
+            } else {
+                alert(`¡Registro exitoso para ${username}! La lógica de inicio de sesión se implementará a continuación.`);
+            }
+        });
+    }
+});
diff --git a/index.php b/index.php
index 7205f3d..15c5d52 100644
--- a/index.php
+++ b/index.php
@@ -1,150 +1,90 @@
-<?php
-declare(strict_types=1);
-@ini_set('display_errors', '1');
-@error_reporting(E_ALL);
-@date_default_timezone_set('UTC');
-
-$phpVersion = PHP_VERSION;
-$now = date('Y-m-d H:i:s');
-?>
-<!doctype html>
-<html lang="en">
+<!DOCTYPE html>
+<html lang="es">
 <head>
-  <meta charset="utf-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1" />
-  <title>New Style</title>
-<?php
-// Read project preview data from environment
-$projectDescription = $_SERVER['PROJECT_DESCRIPTION'] ?? '';
-$projectImageUrl = $_SERVER['PROJECT_IMAGE_URL'] ?? '';
-?>
-<?php if ($projectDescription): ?>
-  <!-- Meta description -->
-  <meta name="description" content='<?= htmlspecialchars($projectDescription) ?>' />
-  <!-- Open Graph meta tags -->
-  <meta property="og:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-  <!-- Twitter meta tags -->
-  <meta property="twitter:description" content="<?= htmlspecialchars($projectDescription) ?>" />
-<?php endif; ?>
-<?php if ($projectImageUrl): ?>
-  <!-- Open Graph image -->
-  <meta property="og:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-  <!-- Twitter image -->
-  <meta property="twitter:image" content="<?= htmlspecialchars($projectImageUrl) ?>" />
-<?php endif; ?>
-  <link rel="preconnect" href="https://fonts.googleapis.com">
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap" rel="stylesheet">
-  <style>
-    :root {
-      --bg-color-start: #6a11cb;
-      --bg-color-end: #2575fc;
-      --text-color: #ffffff;
-      --card-bg-color: rgba(255, 255, 255, 0.01);
-      --card-border-color: rgba(255, 255, 255, 0.1);
-    }
-    body {
-      margin: 0;
-      font-family: 'Inter', sans-serif;
-      background: linear-gradient(45deg, var(--bg-color-start), var(--bg-color-end));
-      color: var(--text-color);
-      display: flex;
-      justify-content: center;
-      align-items: center;
-      min-height: 100vh;
-      text-align: center;
-      overflow: hidden;
-      position: relative;
-    }
-    body::before {
-      content: '';
-      position: absolute;
-      top: 0;
-      left: 0;
-      width: 100%;
-      height: 100%;
-      background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M-10 10L110 10M10 -10L10 110" stroke-width="1" stroke="rgba(255,255,255,0.05)"/></svg>');
-      animation: bg-pan 20s linear infinite;
-      z-index: -1;
-    }
-    @keyframes bg-pan {
-      0% { background-position: 0% 0%; }
-      100% { background-position: 100% 100%; }
-    }
-    main {
-      padding: 2rem;
-    }
-    .card {
-      background: var(--card-bg-color);
-      border: 1px solid var(--card-border-color);
-      border-radius: 16px;
-      padding: 2rem;
-      backdrop-filter: blur(20px);
-      -webkit-backdrop-filter: blur(20px);
-      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
-    }
-    .loader {
-      margin: 1.25rem auto 1.25rem;
-      width: 48px;
-      height: 48px;
-      border: 3px solid rgba(255, 255, 255, 0.25);
-      border-top-color: #fff;
-      border-radius: 50%;
-      animation: spin 1s linear infinite;
-    }
-    @keyframes spin {
-      from { transform: rotate(0deg); }
-      to   { transform: rotate(360deg); }
-    }
-    .hint {
-      opacity: 0.9;
-    }
-    .sr-only {
-      position: absolute;
-      width: 1px; height: 1px;
-      padding: 0; margin: -1px;
-      overflow: hidden;
-      clip: rect(0, 0, 0, 0);
-      white-space: nowrap; border: 0;
-    }
-    h1 {
-      font-size: 3rem;
-      font-weight: 700;
-      margin: 0 0 1rem;
-      letter-spacing: -1px;
-    }
-    p {
-      margin: 0.5rem 0;
-      font-size: 1.1rem;
-    }
-    code {
-      background: rgba(0,0,0,0.2);
-      padding: 2px 6px;
-      border-radius: 4px;
-      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
-    }
-    footer {
-      position: absolute;
-      bottom: 1rem;
-      font-size: 0.8rem;
-      opacity: 0.7;
-    }
-  </style>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    
+    <!-- SEO & Meta Tags -->
+    <title>Draftosaurus - Digital</title>
+    <meta name="description" content="Juega la versión digital del popular juego de mesa Draftosaurus. Crea salas, invita a tus amigos y compite para crear el mejor parque de dinosaurios.">
+    <meta name="keywords" content="draftosaurus, juego de mesa, digital, multijugador, dinosaurios, estrategia, proyecto escolar, Built with Flatlogic Generator">
+    
+    <!-- Open Graph / Facebook -->
+    <meta property="og:type" content="website">
+    <meta property="og:title" content="Draftosaurus - Digital">
+    <meta property="og:description" content="Juega la versión digital del popular juego de mesa Draftosaurus.">
+    <meta property="og:image" content="">
+
+    <!-- Twitter -->
+    <meta name="twitter:card" content="summary_large_image">
+    <meta name="twitter:title" content="Draftosaurus - Digital">
+    <meta name="twitter:description" content="Juega la versión digital del popular juego de mesa Draftosaurus.">
+    <meta name="twitter:image" content="">
+
+    <!-- Stylesheets -->
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/css/bootstrap.min.css" rel="stylesheet">
+    <link rel="preconnect" href="https://fonts.googleapis.com">
+    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+    <link href="https://fonts.googleapis.com/css2?family=Poppins:wght@400;600;700&display=swap" rel="stylesheet">
+    <link rel="stylesheet" href="assets/css/custom.css?v=<?php echo time(); ?>">
+
 </head>
 <body>
-  <main>
-    <div class="card">
-      <h1>Analyzing your requirements and generating your website…</h1>
-      <div class="loader" role="status" aria-live="polite" aria-label="Applying initial changes">
-        <span class="sr-only">Loading…</span>
-      </div>
-      <p class="hint"><?= ($_SERVER['HTTP_HOST'] ?? '') === 'appwizzy.com' ? 'AppWizzy' : 'Flatlogic' ?> AI is collecting your requirements and applying the first changes.</p>
-      <p class="hint">This page will update automatically as the plan is implemented.</p>
-      <p>Runtime: PHP <code><?= htmlspecialchars($phpVersion) ?></code> — UTC <code><?= htmlspecialchars($now) ?></code></p>
+
+    <div class="container welcome-container">
+        <div class="welcome-card">
+            <h1 class="card-title">DRAFTO SAURUS</h1>
+
+            <!-- Initial Choice -->
+            <div id="initial-choice">
+                <p class="text-center mb-4">Bienvenido al proyecto escolar de la digitalización del juego de mesa.</p>
+                <div class="d-grid gap-3">
+                    <button id="show-register-form" class="btn btn-primary">Iniciar Sesión / Registrarse</button>
+                    <button id="show-guest-form" class="btn btn-secondary">Jugar como Invitado</button>
+                </div>
+            </div>
+
+            <!-- Guest Form -->
+            <div id="guest-form-div" class="hidden">
+                <h2 class="card-title fs-4">Jugar como Invitado</h2>
+                <form id="guest-form">
+                    <div class="mb-3">
+                        <label for="guest-username" class="form-label">Nombre de Usuario</label>
+                        <input type="text" class="form-control" id="guest-username" required>
+                    </div>
+                    <div class="d-grid">
+                        <button type="submit" class="btn btn-primary">¡A Jugar!</button>
+                    </div>
+                </form>
+            </div>
+
+            <!-- Register/Login Form -->
+            <div id="register-form-div" class="hidden">
+                <h2 class="card-title fs-4">Registro / Inicio</h2>
+                <form id="register-form">
+                    <div class="mb-3">
+                        <label for="register-email" class="form-label">Correo Electrónico</label>
+                        <input type="email" class="form-control" id="register-email" required>
+                    </div>
+                    <div class="mb-3">
+                        <label for="register-username" class="form-label">Nombre de Usuario</label>
+                        <input type="text" class="form-control" id="register-username" required>
+                    </div>
+                    <div class="mb-3">
+                        <label for="register-password" class="form-label">Contraseña</label>
+                        <input type="password" class="form-control" id="register-password" required>
+                    </div>
+                    <div class="d-grid">
+                        <button type="submit" class="btn btn-primary">Continuar</button>
+                    </div>
+                </form>
+            </div>
+
+        </div>
     </div>
-  </main>
-  <footer>
-    Page updated: <?= htmlspecialchars($now) ?> (UTC)
-  </footer>
+
+    <!-- Scripts -->
+    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.2/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="assets/js/main.js?v=<?php echo time(); ?>"></script>
 </body>
-</html>
+</html>
\ No newline at end of file