/* ================================================
   DIAGNOSTIC ENTRY PAGE
   Dark hero + warm neutral content, executive tone
   Reusable palette for diagnostic questionnaire pages
================================================ */
:root{
    --de-bg-dark:#0d0f18;
    --de-bg-dark-mid:#1a1d2e;
    --de-bg-content:#f4f2ef;
    --de-bg-card:#fff;
    --de-text:#1a1a1a;
    --de-text-muted:#666;
    --de-text-light:rgba(255,255,255,.75);
    --de-border:#e5e3df;
    --de-accent:#c9935a;
    --de-accent-dark:#1a1d2e;
}

.diag-entry-page{margin:0;font-family:'DM Sans',system-ui,sans-serif;color:var(--de-text);background:var(--de-bg-content);-webkit-font-smoothing:antialiased}
.diag-entry-page *,.diag-entry-page *::before,.diag-entry-page *::after{box-sizing:border-box}

/* ===== HERO ===== */
.de-hero{display:grid;grid-template-columns:.35fr .65fr;min-height:480px;background:var(--de-bg-dark);position:relative;overflow:hidden}

.de-hero-graphic{position:relative;overflow:hidden}
.de-hero-svg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.de-hero-content{padding:4rem 4rem 4rem 3rem;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1}
.de-back{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;color:rgba(255,255,255,.35);text-decoration:none;margin-bottom:2.5rem;transition:color .2s}
.de-back:hover{color:rgba(255,255,255,.7)}

.de-hero h1{font-size:clamp(1.8rem,3.5vw,2.8rem);font-weight:800;letter-spacing:-.04em;line-height:1.15;color:#fff;margin:0 0 1.5rem}
.de-hero-sub{font-size:1.1rem;color:rgba(255,255,255,.55);line-height:1.65;margin:0 0 1.25rem;max-width:560px}
.de-hero-intro{font-size:.95rem;color:rgba(255,255,255,.38);line-height:1.7;margin:0;max-width:540px}

/* ===== CONTENT ===== */
.de-content{max-width:1060px;margin:0 auto;padding:3rem 2.5rem 4rem}

/* Cards */
.de-card{background:var(--de-bg-card);border:1px solid var(--de-border);border-radius:16px;padding:2rem 2.25rem;margin-bottom:1.25rem}
.de-card h2{font-size:1.2rem;font-weight:700;letter-spacing:-.02em;margin:0 0 1.25rem;color:var(--de-text)}

/* Two-column layout */
.de-two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.25rem}
.de-two-col .de-card{margin-bottom:0}

/* Purpose card — left accent */
.de-card-purpose{border-left:3px solid var(--de-accent-dark)}
/* What This Is Not — right accent + warm bg */
.de-card-not{border-left:3px solid var(--de-accent);background:rgba(201,147,90,.04)}

/* Lists */
.de-list{list-style:none;padding:0;margin:0}
.de-list li{position:relative;padding:0 0 .7rem 1.4rem;font-size:.92rem;color:var(--de-text-muted);line-height:1.6}
.de-list li::before{content:'✓';position:absolute;left:0;top:0;font-weight:700;color:var(--de-accent-dark);font-size:.85rem}
.de-list-plain li::before{content:'—';color:#bbb}
.de-list li:last-child{padding-bottom:0}

/* What This Is — horizontal items */
.de-card-is{margin-bottom:1.25rem}
.de-is-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
.de-is-item{padding:1rem 1.25rem;background:rgba(26,29,46,.04);border:1px solid var(--de-border);border-radius:10px;font-size:.9rem;color:var(--de-text);line-height:1.5}

/* Card note */
.de-card-note{margin:1.25rem 0 0;padding-top:1rem;border-top:1px solid var(--de-border);font-size:.82rem;color:var(--de-text-muted);font-weight:500}

/* Guidance */
.de-card-guidance{background:rgba(26,29,46,.03);border-color:rgba(26,29,46,.08)}

/* Disclaimer */
.de-disclaimer{background:var(--de-accent-dark);border-radius:16px;padding:2.5rem;margin-bottom:1.5rem;text-align:center}
.de-disclaimer h2{font-size:1.2rem;font-weight:700;color:#fff;margin:0 0 1rem;letter-spacing:-.01em}
.de-disclaimer p{font-size:.88rem;color:rgba(255,255,255,.55);line-height:1.75;margin:0;max-width:700px;margin:0 auto}

/* Consent + Action */
.de-action{text-align:center;padding:2rem 0 0}
.de-consent{display:inline-flex;align-items:flex-start;gap:.75rem;cursor:pointer;text-align:left;max-width:560px;margin-bottom:2rem}
.de-consent input{position:absolute;opacity:0;width:0;height:0}
.de-check-box{width:22px;height:22px;border:2px solid #ccc;border-radius:5px;flex-shrink:0;position:relative;transition:all .2s;margin-top:2px}
.de-consent input:checked ~ .de-check-box{background:var(--de-accent-dark);border-color:var(--de-accent-dark)}
.de-consent input:checked ~ .de-check-box::after{content:'✓';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:.75rem;font-weight:700}
.de-consent input:focus-visible ~ .de-check-box{outline:2px solid #3b82f6;outline-offset:2px}
.de-consent-text{font-size:.88rem;color:var(--de-text-muted);line-height:1.6}

.de-action-buttons{display:flex;justify-content:center;gap:.75rem}
.de-btn{display:inline-flex;align-items:center;gap:8px;padding:.85rem 2rem;border-radius:12px;font-family:inherit;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .25s;text-decoration:none;border:none}
.de-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}
.de-btn-back{background:transparent;border:1.5px solid var(--de-border);color:var(--de-text-muted)}
.de-btn-back:hover{border-color:#999;color:var(--de-text)}
.de-btn-begin{background:var(--de-accent);color:#fff;padding:.85rem 3rem;font-size:.95rem}
.de-btn-begin:hover:not(:disabled){background:#b88349;transform:translateY(-1px);box-shadow:0 6px 20px rgba(201,147,90,.25)}
.de-btn-begin:disabled{opacity:.35;cursor:not-allowed}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
    .de-hero{grid-template-columns:1fr;min-height:auto}
    .de-hero-graphic{height:200px}
    .de-hero-content{padding:3rem 2rem}
    .de-content{padding:2rem 1.25rem 3rem}
    .de-two-col{grid-template-columns:1fr}
    .de-is-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.de-btn{transition:none}}