diff --git a/api/wevia-sse-orchestrator.php b/api/wevia-sse-orchestrator.php
index 1d9e85417..d2357751e 100644
--- a/api/wevia-sse-orchestrator.php
+++ b/api/wevia-sse-orchestrator.php
@@ -185,17 +185,20 @@ if (!empty($msg)) {
             if (!$__sd_safe) continue;
             // DOCTRINE-215 opus-phase74 - inject MSG env for cmd extraction
             $__sd_env = 'MSG=' . escapeshellarg($__sd_msg) . ' ';
-            // DOCTRINE-216 opus-phase75 - async long intents to bypass CF 504
+            // DOCTRINE-216 opus-phase75 + DOCTRINE-217 opus-phase76 - async long intents via temp script + setsid
             $__sd_long_intents = ['wevia_gemini_ux_apply', 'wevia_gemini_ux_fix', 'wevia_playwright_ux_overlap_gemini_audit'];
             if (in_array($__sd_info['name'] ?? '', $__sd_long_intents)) {
-                // Background exec + return task_id immediate
                 $__sd_task_id = 'task_' . bin2hex(random_bytes(5));
+                @mkdir('/tmp/wevia-tasks', 0777, true);
                 $__sd_task_out = "/tmp/wevia-tasks/{$__sd_task_id}.out";
                 $__sd_task_flag = "/tmp/wevia-tasks/{$__sd_task_id}.flag";
-                @mkdir('/tmp/wevia-tasks', 0777, true);
-                $__sd_full_cmd = $__sd_env . 'timeout 180 bash -c ' . escapeshellarg($__sd_cmd);
-                @exec("nohup bash -c " . escapeshellarg("$__sd_full_cmd > $__sd_task_out 2>&1; touch $__sd_task_flag") . " > /dev/null 2>&1 &");
-                $__sd_out = "ASYNC_LAUNCHED task_id=$__sd_task_id\nPoll: /api/wevia-async-exec.php?poll=$__sd_task_id\nIntent {$__sd_info['name']} running in background (90-180s).";
+                $__sd_task_script = "/tmp/wevia-tasks/{$__sd_task_id}.sh";
+                // DOCTRINE-217: write exec to temp script, then setsid detach - avoid double escaping
+                $__sd_script_body = "#!/bin/bash\nexport MSG=" . escapeshellarg($__sd_msg) . "\ntimeout 180 bash -c " . escapeshellarg($__sd_cmd) . " > $__sd_task_out 2>&1\ntouch $__sd_task_flag\n";
+                @file_put_contents($__sd_task_script, $__sd_script_body);
+                @chmod($__sd_task_script, 0755);
+                @exec("setsid bash $__sd_task_script > /dev/null 2>&1 < /dev/null &");
+                $__sd_out = "ASYNC_LAUNCHED task_id=$__sd_task_id\nPoll: /api/wevia-async-exec.php?poll=$__sd_task_id\nIntent {$__sd_info['name']} running in background (90-180s).\nScript: $__sd_task_script";
             } else {
                 $__sd_out = @shell_exec($__sd_env . 'timeout 90 bash -c ' . escapeshellarg($__sd_cmd) . ' 2>&1');
             }
diff --git a/products/researchflow.html b/products/researchflow.html
index 6871aee46..d0abbeaf6 100644
--- a/products/researchflow.html
+++ b/products/researchflow.html
@@ -112,6 +112,387 @@ footer{padding:2.5rem 4% 1.5rem;max-width:1180px;margin:2rem auto 0;border-top:1
 @media (max-width:768px){#weval-bot-widget{bottom:100px !important;right:16px !important;z-index:10001 !important}#weval-bot-btn{width:48px !important;height:48px !important}#weval-bot-btn svg{width:22px !important;height:22px !important}#footer_banner,.footer-banner,[class*="footer-bandeau"]{z-index:9990 !important}}
 </style>
 
+
+<!-- DOCTRINE-201-GEMINI-APPLY-20260424-203835 -->
+<style>
+:root {
+    --wtp-bg: #141418; /* Deep charcoal background */
+    --wtp-card: #1F1F24; /* Slightly lighter dark grey for cards */
+    --wtp-primary: #664CEA; /* Original purple from the button */
+    --wtp-accent: #00B395; /* Original teal from "automatisée" */
+    --wtp-text-light: #E0E0E0; /* Light text for dark background */
+    --wtp-text-muted: #A0A0A0; /* Muted text for secondary info */
+    --wtp-border: #33333A; /* Subtle border color */
+    --wtp-gradient-start: #664CEA;
+    --wtp-gradient-end: #8A6FFC;
+    --wtp-accent-gradient-start: #00B395;
+    --wtp-accent-gradient-end: #00E6C3;
+}
+
+body {
+    font-family: 'Inter', sans-serif; /* Assuming Inter or similar modern sans-serif */
+    background-color: var(--wtp-bg);
+    color: var(--wtp-text-light);
+    margin: 0;
+    padding: 0;
+    line-height: 1.6;
+}
+
+h1, h2, h3, h4, h5, h6 {
+    color: var(--wtp-text-light);
+    font-weight: 700;
+    line-height: 1.2;
+}
+
+/* Specific styling for the existing page elements to fit the dark theme */
+/* Assuming the main title is an h1 or similar */
+.main-title {
+    font-size: 3.5rem;
+    color: var(--wtp-text-light);
+    margin-bottom: 1rem;
+}
+.main-title .highlight {
+    color: var(--wtp-accent);
+}
+
+.description-text {
+    color: var(--wtp-text-muted);
+    font-size: 1.1rem;
+    max-width: 700px;
+    margin: 0 auto 2rem auto;
+}
+
+/* Navbar adjustments */
+.navbar {
+    background-color: var(--wtp-bg);
+    border-bottom: 1px solid var(--wtp-border);
+    padding: 1rem 2rem;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+.navbar a {
+    color: var(--wtp-text-muted);
+    text-decoration: none;
+    margin-left: 1.5rem;
+    transition: color 0.3s ease;
+}
+.navbar a:hover {
+    color: var(--wtp-text-light);
+}
+.navbar .logo {
+    color: var(--wtp-text-light);
+    font-weight: 700;
+    font-size: 1.5rem;
+}
+.navbar .logo span {
+    color: var(--wtp-accent);
+}
+.navbar .demo-btn {
+    background: linear-gradient(90deg, var(--wtp-gradient-start), var(--wtp-gradient-end));
+    color: white;
+    padding: 0.75rem 1.5rem;
+    border-radius: 8px;
+    text-decoration: none;
+    font-weight: 600;
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+    box-shadow: 0 4px 15px rgba(102, 76, 234, 0.4);
+}
+.navbar .demo-btn:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 6px 20px rgba(102, 76, 234, 0.6);
+}
+
+/* -- WEVAL Specific Components -- */
+
+/* .wtp-hero-premium */
+.wtp-hero-premium {
+    position: relative;
+    padding: 8rem 2rem;
+    text-align: center;
+    overflow: hidden;
+    background: radial-gradient(circle at top left, rgba(102, 76, 234, 0.15) 0%, transparent 40%),
+                radial-gradient(circle at bottom right, rgba(0, 179, 149, 0.15) 0%, transparent 40%),
+                var(--wtp-bg);
+    z-index: 1;
+}
+
+.wtp-hero-premium::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    backdrop-filter: blur(5px); /* Subtle blur effect */
+    -webkit-backdrop-filter: blur(5px);
+    z-index: -1; /* Place behind content */
+    opacity: 0.3; /* Make it subtle */
+}
+
+.wtp-hero-premium h1 {
+    font-size: 4.5rem;
+    font-weight: 800;
+    margin-bottom: 1rem;
+    background: linear-gradient(to right, var(--wtp-text-light), var(--wtp-primary));
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
+}
+
+.wtp-hero-premium h1 span {
+    background: linear-gradient(to right, var(--wtp-accent-gradient-start), var(--wtp-accent-gradient-end));
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+}
+
+.wtp-hero-premium p {
+    font-size: 1.3rem;
+    color: var(--wtp-text-muted);
+    max-width: 800px;
+    margin: 0 auto 3rem auto;
+}
+
+/* .wtp-kpi-card */
+.wtp-kpi-card {
+    background-color: var(--wtp-card);
+    border: 1px solid var(--wtp-border);
+    border-radius: 12px;
+    padding: 1.5rem;
+    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
+    display: flex;
+    flex-direction: column;
+    gap: 1rem;
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+}
+.wtp-kpi-card:hover {
+    transform: translateY(-5px);
+    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
+}
+.wtp-kpi-card .kpi-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+.wtp-kpi-card .kpi-title {
+    font-size: 1.1rem;
+    color: var(--wtp-text-light);
+    font-weight: 600;
+}
+.wtp-kpi-card .kpi-value {
+    font-size: 2.2rem;
+    font-weight: 700;
+    color: var(--wtp-primary);
+}
+.wtp-kpi-card .kpi-change {
+    font-size: 0.9rem;
+    color: var(--wtp-accent); /* Green for positive change */
+}
+.wtp-kpi-card .kpi-change.negative {
+    color: #FF6B6B; /* Red for negative change */
+}
+.wtp-kpi-card .sparkline-svg {
+    width: 100%;
+    height: 60px;
+    /* Placeholder for SVG content */
+    background: repeating-linear-gradient(
+        45deg,
+        var(--wtp-border),
+        var(--wtp-border) 10px,
+        transparent 10px,
+        transparent 20px
+    );
+    border-radius: 4px;
+    opacity: 0.6;
+}
+
+/* .wtp-status-led */
+@keyframes pulse {
+    0% {
+        transform: scale(0.8);
+        opacity: 0.7;
+    }
+    50% {
+        transform: scale(1.1);
+        opacity: 1;
+    }
+    100% {
+        transform: scale(0.8);
+        opacity: 0.7;
+    }
+}
+
+.wtp-status-led {
+    display: inline-block;
+    width: 12px;
+    height: 12px;
+    border-radius: 50%;
+    background-color: var(--wtp-accent); /* Default to live/green */
+    box-shadow: 0 0 0 0 rgba(0, 179, 149, 0.7);
+    animation: pulse 1.5s infinite cubic-bezier(0.66, 0, 0, 1);
+    margin-right: 8px;
+    vertical-align: middle;
+}
+.wtp-status-led.offline {
+    background-color: #FF6B6B; /* Red for offline */
+    box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7);
+}
+.wtp-status-led.warning {
+    background-color: #FFD166; /* Yellow for warning */
+    box-shadow: 0 0 0 0 rgba(255, 209, 102, 0.7);
+}
+
+/* .wtp-action-btn */
+.wtp-action-btn {
+    display: inline-flex;
+    align-items: center;
+    justify-content: center;
+    padding: 1rem 2.5rem;
+    border-radius: 8px;
+    font-size: 1.1rem;
+    font-weight: 600;
+    text-decoration: none;
+    color: white;
+    border: none;
+    cursor: pointer;
+    position: relative;
+    overflow: hidden;
+    background: linear-gradient(90deg, var(--wtp-gradient-start), var(--wtp-gradient-end));
+    box-shadow: 0 6px 20px rgba(102, 76, 234, 0.4);
+    transition: transform 0.3s ease, box-shadow 0.3s ease;
+    z-index: 1;
+}
+
+.wtp-action-btn::before {
+    content: '';
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(90deg, var(--wtp-gradient-end), var(--wtp-gradient-start)); /* Reverse gradient for hover */
+    opacity: 0;
+    transition: opacity 0.3s ease;
+    z-index: -1;
+}
+
+.wtp-action-btn:hover {
+    transform: translateY(-3px);
+    box-shadow: 0 10px 30px rgba(102, 76, 234, 0.6);
+}
+
+.wtp-action-btn:hover::before {
+    opacity: 1;
+}
+
+/* Secondary button style */
+.wtp-action-btn.secondary {
+    background: var(--wtp-card);
+    color: var(--wtp-primary);
+    border: 1px solid var(--wtp-border);
+    box-shadow: none;
+    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease, border-color 0.3s ease;
+}
+.wtp-action-btn.secondary:hover {
+    background-color: var(--wtp-border);
+    color: var(--wtp-accent);
+    transform: translateY(-2px);
+    border-color: var(--wtp-accent);
+    box-shadow: 0 4px 15px rgba(0, 179, 149, 0.2);
+}
+.wtp-action-btn.secondary::before {
+    display: none; /* No gradient overlay for secondary */
+}
+
+
+/* Media Query for mobile 768px */
+@media (max-width: 768px) {
+    .wtp-hero-premium {
+        padding: 6rem 1rem;
+    }
+    .wtp-hero-premium h1 {
+        font-size: 2.8rem;
+    }
+    .wtp-hero-premium p {
+        font-size: 1rem;
+    }
+    .wtp-action-btn {
+        padding: 0.8rem 2rem;
+        font-size: 1rem;
+    }
+    .wtp-kpi-card {
+        padding: 1rem;
+    }
+    .wtp-kpi-card .kpi-value {
+        font-size: 1.8rem;
+    }
+
+    /* Anti-overlap for hypothetical bot-widget */
+    .bot-widget {
+        position: fixed;
+        bottom: 100px; /* Pushes it up to prevent overlap with mobile navigation/keyboard */
+        right: 20px;
+        left: auto;
+        z-index: 1000;
+    }
+}
+
+/* General layout for the page to center content */
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 0 2rem;
+}
+
+/* Example usage of the tags from the image */
+.tag-container {
+    display: flex;
+    justify-content: center;
+    gap: 10px;
+    margin-bottom: 2rem;
+}
+.tag {
+    background-color: rgba(0, 179, 149, 0.15); /* Light green background */
+    color: var(--wtp-accent);
+    padding: 0.4rem 0.8rem;
+    border-radius: 20px;
+    font-size: 0.85rem;
+    font-weight: 500;
+    display: flex;
+    align-items: center;
+    gap: 5px;
+}
+.tag::before {
+    content: '';
+    display: inline-block;
+    width: 6px;
+    height: 6px;
+    background-color: var(--wtp-accent);
+    border-radius: 50%;
+}
+.tag.live::before {
+    animation: pulse 1.5s infinite cubic-bezier(0.66, 0, 0, 1);
+}
+
+/* Small text below buttons */
+.sub-text-link {
+    color: var(--wtp-text-muted);
+    font-size: 0.9rem;
+    margin-top: 1.5rem;
+    display: block;
+    text-align: center;
+}
+.sub-text-link a {
+    color: var(--wtp-primary);
+    text-decoration: none;
+    transition: color 0.3s ease;
+}
+.sub-text-link a:hover {
+    color: var(--wtp-accent);
+}
+
+</style>
+<!-- END-DOCTRINE-201 -->
 </head><body>
 
 <nav>