:root {
  --accent: #0f766e;
  --accent-2: #14532d;
  --ink: #0f172a;
  --muted: #475569;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.12);
}

body { font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

.pdh-shell { min-height: 100vh; background: linear-gradient(135deg, #f8fafc 0%, #eefbf9 100%); color: var(--ink); }
.pdh-shell a { color: inherit; }
.pdh-hero { padding: 4rem 1.5rem 3rem; }
.pdh-hero-inner { max-width: 1180px; margin: 0 auto; display: grid; gap: 2rem; align-items: center; grid-template-columns: 1.2fr 0.8fr; }
.pdh-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(15, 118, 110, .1); color: var(--accent); padding: .5rem .8rem; border-radius: 999px; font-size: .85rem; font-weight: 700; margin-bottom: 1rem; }
.pdh-title { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; margin: 0 0 1rem; }
.pdh-subtitle { font-size: 1.03rem; color: var(--muted); line-height: 1.8; max-width: 64ch; }
.pdh-card { background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; padding: 1.35rem; backdrop-filter: blur(18px); }
.pdh-grid { display: grid; gap: 1rem; }
.pdh-metric-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 1rem; }
.pdh-metric { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: .9rem; }
.pdh-metric b { display: block; font-size: 1.05rem; color: var(--ink); }
.pdh-metric span { color: var(--muted); font-size: .82rem; }
.pdh-section { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem 3rem; }
.pdh-section-card { background: white; border: 1px solid var(--border); border-radius: 24px; padding: 1.35rem; box-shadow: var(--shadow); }
.pdh-section h2 { font-size: clamp(1.3rem, 2.3vw, 1.8rem); margin: 0 0 .8rem; }
.pdh-section p, .pdh-section li { color: var(--muted); line-height: 1.75; }
.pdh-list { margin: 0; padding-left: 1.1rem; display: grid; gap: .6rem; }
.pdh-cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.pdh-btn, .pdh-btn-secondary, .pdh-btn-ghost {
  border: 0; border-radius: 999px; padding: .85rem 1.1rem; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
}
.pdh-btn { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: white; }
.pdh-btn-secondary { background: #0f172a; color: white; }
.pdh-btn-ghost { background: #f8fafc; color: var(--ink); border: 1px solid var(--border); }
.pdh-btn:hover { transform: translateY(-1px); }

.pdh-form { display: grid; gap: .8rem; }
.pdh-form input, .pdh-form textarea, .pdh-form select { width: 100%; border: 1px solid var(--border); border-radius: 14px; padding: .85rem .95rem; font: inherit; background: white; }
.pdh-form button:disabled { opacity: .7; cursor: wait; }
.pdh-form-message { min-height: 1.2rem; font-size: .92rem; font-weight: 600; }
.pdh-form-message.success { color: #166534; }
.pdh-form-message.error { color: #b91c1c; }

.pdh-popup { position: fixed; inset: 0; background: rgba(2, 6, 23, .76); display: grid; place-items: center; padding: 1rem; z-index: 99999; opacity: 0; visibility: hidden; transition: all .25s ease; }
.pdh-popup.visible { opacity: 1; visibility: visible; }
.pdh-popup-card { width: min(560px, 100%); background: white; border-radius: 24px; padding: 1.3rem; box-shadow: var(--shadow); animation: slideUp .25s ease; }
.pdh-popup-card h3 { margin: 0 0 .4rem; font-size: 1.45rem; }
.pdh-popup-card p { margin: 0 0 1rem; color: var(--muted); }
.pdh-popup-close { border: 0; background: #f8fafc; border-radius: 999px; width: 2.2rem; height: 2.2rem; cursor: pointer; }
.pdh-sticky-cta { position: fixed; right: 1rem; bottom: 1rem; z-index: 9999; display: flex; flex-wrap: wrap; gap: .6rem; }
.pdh-sticky-btn { border: 0; border-radius: 999px; padding: .9rem 1rem; font-weight: 700; box-shadow: var(--shadow); cursor: pointer; background: #0f172a; color: white; }
.pdh-sticky-btn.alt { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.pdh-widget { margin-top: 1.2rem; border: 1px solid var(--border); border-radius: 24px; padding: 1.1rem; background: linear-gradient(135deg, #f8fafc, #ecfeff); }
.pdh-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 16px; }
.pdh-table th, .pdh-table td { text-align: left; padding: .7rem; border-bottom: 1px solid var(--border); }
.pdh-table th { background: #f8fafc; font-size: .84rem; letter-spacing: .08em; text-transform: uppercase; }
.pdh-grid-2 { display: grid; gap: 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.pdh-similar-card { border: 1px solid var(--border); border-radius: 18px; padding: 1rem; background: white; display: grid; gap: .4rem; }
.pdh-faq-item { border: 1px solid var(--border); border-radius: 16px; padding: .9rem 1rem; background: #f8fafc; }
.pdh-faq-item strong { display: block; margin-bottom: .35rem; }
.pdh-map { border: 1px solid var(--border); border-radius: 20px; height: 220px; background: linear-gradient(135deg, #ecfeff, #f8fafc); display: grid; place-items: center; color: var(--accent); font-weight: 700; }
.pdh-quote { border-left: 4px solid var(--accent); padding-left: .9rem; color: var(--muted); font-style: italic; }
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@media (max-width: 840px) { .pdh-hero-inner, .pdh-grid-2 { grid-template-columns: 1fr; } .pdh-metric-grid { grid-template-columns: 1fr; } }
@media (max-width: 540px) { .pdh-hero { padding: 2.5rem 1rem 2rem; } .pdh-section { padding: 0 1rem 2rem; } .pdh-popup-card { padding: 1rem; border-radius: 18px; } }