.ph-hero { background:#0c1a3a; background-image:radial-gradient(ellipse 70% 90% at 5% 55%,rgba(37,99,235,.55) 0%,transparent 60%),radial-gradient(ellipse 55% 65% at 95% 15%,rgba(99,102,241,.38) 0%,transparent 55%),repeating-linear-gradient(0deg,transparent,transparent 39px,rgba(255,255,255,.022) 40px),repeating-linear-gradient(90deg,transparent,transparent 39px,rgba(255,255,255,.022) 40px); padding:80px 0 88px; position:relative; overflow:hidden; }
    .ph-eyebrow { display:inline-flex; align-items:center; gap:7px; background:rgba(59,130,246,.18); border:1px solid rgba(59,130,246,.4); border-radius:30px; padding:5px 16px; font-size:.72rem; font-weight:700; color:#93c5fd; letter-spacing:.05em; text-transform:uppercase; margin-bottom:22px; }
    .ph-title { font-size:clamp(2.2rem,4.5vw,3.6rem); font-weight:900; color:#fff; line-height:1.1; margin-bottom:18px; }
    .ph-gradient { background:linear-gradient(135deg,#60a5fa 0%,#a78bfa 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
    .ph-lead { font-size:.97rem; color:rgba(255,255,255,.55); margin-bottom:32px; line-height:1.75; }
    .ph-pills { display:flex; flex-wrap:wrap; gap:9px; }
    .ph-pill { display:inline-flex; align-items:center; gap:6px; padding:7px 16px; background:rgba(37,99,235,.18); border:1px solid rgba(59,130,246,.35); border-radius:20px; font-size:.76rem; font-weight:700; color:#93c5fd; }
    .ph-pill i { color:#60a5fa; }

    .ph-card { background:#fff; border:1px solid rgba(6,182,212,.25); border-radius:20px; overflow:hidden; box-shadow:0 20px 60px rgba(0,0,0,.22); }
    .ph-card-hdr { padding:18px 22px 14px; background:linear-gradient(135deg,#ecfeff,#f0fdfa); border-bottom:1px solid rgba(6,182,212,.2); }
    .ph-card-hdr-title { font-size:.78rem; font-weight:700; color:#0e7490; display:flex; align-items:center; gap:7px; }
    .ph-card-hdr-title i { color:#06b6d4; }
    .ph-input-row { padding:18px 22px 14px; display:flex; gap:10px; }
    .ph-input { flex:1; padding:13px 16px; background:#f1f5f9; border:1px solid #cbd5e1; border-radius:10px; color:#0f172a; font-family:'Inter',sans-serif; font-size:.9rem; outline:none; transition:all .18s; }
    .ph-input::placeholder { color:#94a3b8; }
    .ph-input:focus { border-color:#06b6d4; background:#ecfeff; }
    .ph-device-row { padding:0 22px 14px; display:flex; gap:8px; }
    .ph-device-btn { flex:1; padding:9px; background:#f8fafc; border:1px solid #e2e8f0; border-radius:8px; color:#64748b; font-size:.78rem; font-weight:700; cursor:pointer; font-family:inherit; display:flex; align-items:center; justify-content:center; gap:6px; transition:all .15s; }
    .ph-device-btn.active { background:#ecfeff; border-color:#06b6d4; color:#0e7490; }
    .btn-ph { width:calc(100% - 44px); margin:0 22px 18px; padding:13px; background:linear-gradient(135deg,#0891b2,#06b6d4); color:#fff; border:none; border-radius:10px; font-size:.9rem; font-weight:700; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:8px; font-family:inherit; transition:all .18s; }
    .btn-ph:hover { background:linear-gradient(135deg,#0e7490,#0891b2); }
    .btn-ph:disabled { opacity:.6; cursor:wait; }

    .ph-state { padding:14px 22px 20px; border-top:1px solid #e2e8f0; display:none; }
    .ph-loading-txt { color:#64748b; font-size:.85rem; display:flex; align-items:center; gap:8px; }
    .ph-spinner { width:16px; height:16px; border:2px solid #e2e8f0; border-top-color:#06b6d4; border-radius:50%; animation:phSpin .7s linear infinite; }
    @keyframes phSpin { to{transform:rotate(360deg);} }

    .ph-score-row { display:flex; align-items:center; gap:16px; margin-bottom:18px; }
    .ph-score-ring { position:relative; width:88px; height:88px; flex-shrink:0; }
    .ph-score-ring svg { transform:rotate(-90deg); }
    .ph-score-num { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:1.5rem; font-weight:900; transform:rotate(0deg); }
    .ph-score-info { flex:1; }
    .ph-score-label { font-size:.88rem; font-weight:700; color:#0f172a; margin-bottom:3px; }
    .ph-score-sub { font-size:.76rem; color:#64748b; }
    .ph-metrics-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-bottom:14px; }
    .ph-metric-card { background:#f8fafc; border:1px solid #e2e8f0; border-radius:10px; padding:12px 14px; }
    .ph-metric-label { font-size:.65rem; font-weight:700; color:#94a3b8; text-transform:uppercase; letter-spacing:.07em; margin-bottom:5px; }
    .ph-metric-val { font-size:1.1rem; font-weight:800; }
    .ph-metric-bar { height:4px; background:#e2e8f0; border-radius:2px; margin-top:7px; overflow:hidden; }
    .ph-metric-fill { height:100%; border-radius:2px; }
    .ph-good { color:#16a34a; }
    .ph-ok   { color:#d97706; }
    .ph-bad  { color:#dc2626; }
    .ph-psi-link { display:flex; align-items:center; gap:8px; padding:12px 16px; background:#f0fdfa; border:1px solid rgba(6,182,212,.25); border-radius:10px; text-decoration:none; color:#0e7490; font-size:.82rem; font-weight:600; transition:all .15s; }
    .ph-psi-link:hover { background:#ecfeff; border-color:#06b6d4; color:#0891b2; }

    .ph-info-section { padding:88px 0 96px; background:#fff; }
    .ph-eyebrow-s { font-size:.72rem; font-weight:700; color:#1746c8; text-transform:uppercase; letter-spacing:.08em; margin-bottom:6px; }
    .ph-s-title { font-size:1.5rem; font-weight:800; color:#0f172a; margin-bottom:8px; }
    .ph-s-sub { font-size:.88rem; color:#64748b; line-height:1.75; }
    .ph-info-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:40px; }
    .ph-info-card { background:#f8fafc; border:1.5px solid #e2e8f0; border-radius:16px; padding:26px 22px; transition:box-shadow .2s,transform .2s; }
    .ph-info-card:hover { box-shadow:0 8px 28px rgba(23,70,200,.1); transform:translateY(-2px); }
    .ph-info-icon { width:46px; height:46px; background:#eef2ff; border-radius:13px; display:flex; align-items:center; justify-content:center; color:#1746c8; font-size:1.15rem; margin-bottom:16px; }
    .ph-info-card h3 { font-size:.92rem; font-weight:700; color:#0f172a; margin-bottom:7px; }
    .ph-info-card p { font-size:.8rem; color:#64748b; line-height:1.75; margin:0; }

    .ph-faq-section { padding:0 0 96px; background:#f8fafc; }
    .ph-faq-item { background:#fff; border:1.5px solid #e2e8f0; border-radius:14px; margin-bottom:10px; overflow:hidden; transition:border-color .2s; }
    .ph-faq-item.open { border-color:#2563eb; }
    .ph-faq-q { width:100%; background:none; border:none; padding:18px 22px; display:flex; align-items:center; justify-content:space-between; gap:12px; font-family:inherit; font-size:.92rem; font-weight:700; color:#0f172a; cursor:pointer; text-align:left; transition:color .18s; }
    .ph-faq-q:hover { color:#1746c8; }
    .ph-faq-q i.ch { font-size:.78rem; color:#94a3b8; flex-shrink:0; transition:transform .22s; }
    .ph-faq-item.open .ph-faq-q i.ch { transform:rotate(180deg); color:#1746c8; }
    .ph-faq-a { display:none; padding:0 22px 18px; font-size:.86rem; color:#475569; line-height:1.75; }
    .ph-faq-item.open .ph-faq-a { display:block; }

    .ph-tools-section { padding:80px 0; background:#fff; border-top:1px solid #f1f5f9; }
    .ph-tool-card { display:flex; align-items:center; gap:16px; background:#f8fafc; border:1.5px solid #e2e8f0; border-radius:16px; padding:20px 22px; text-decoration:none; transition:all .2s; }
    .ph-tool-card:hover { border-color:#1746c8; background:#eff6ff; transform:translateY(-2px); box-shadow:0 6px 20px rgba(23,70,200,.1); }
    .ph-tool-ic { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
    .ph-tool-title { font-size:.88rem; font-weight:700; color:#0f172a; margin:0 0 3px; }
    .ph-tool-sub { font-size:.75rem; color:#64748b; margin:0; }
    .ph-tool-arr { margin-left:auto; color:#94a3b8; flex-shrink:0; font-size:.8rem; }
    .ph-tool-card:hover .ph-tool-arr { color:#1746c8; }

    @media (max-width:992px){.ph-hero{padding:60px 0 72px;}.ph-hero-left{margin-bottom:40px!important;text-align:center;}.ph-pills{justify-content:center;}.ph-input-row{flex-direction:column;}}
    @media (max-width:768px){.ph-metrics-grid{grid-template-columns:1fr;}.ph-info-grid{grid-template-columns:1fr 1fr;}}
    @media (max-width:576px){.ph-info-grid{grid-template-columns:1fr;}}