/* ============================================================
   FreePhoneSpy — Design System
   Aesthetic: refined, trustworthy "calm tech" — deep ink + signal
   teal, warm off-white paper, one characterful display face.
   Pure CSS, no frameworks. Built for speed + accessibility + SEO.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root{
  --ink:#0e1726;          /* near-black navy */
  --ink-2:#1d2a3d;
  --paper:#f7f5ef;        /* warm off-white */
  --paper-2:#fffdf8;
  --teal:#0f9b8e;         /* signal teal */
  --teal-d:#0a766b;
  --teal-l:#e3f3f0;
  --amber:#e0922b;
  --line:#e4e0d6;
  --muted:#5c6878;
  --shadow: 0 1px 2px rgba(14,23,38,.04), 0 8px 24px rgba(14,23,38,.06);
  --shadow-lg: 0 24px 60px rgba(14,23,38,.12);
  --radius:16px;
  --radius-lg:24px;
  --maxw:1140px;
  --serif:'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:'Space Grotesk', system-ui, -apple-system, sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;display:block;height:auto}
a{color:var(--teal-d);text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2.3rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin-bottom:.5em}
h3{font-size:1.32rem;font-family:var(--sans);font-weight:600;letter-spacing:-.01em}
p{margin-bottom:1.05em}
.lead{font-size:1.2rem;color:var(--ink-2);line-height:1.55}
section{padding:clamp(48px,7vw,96px) 0}
.eyebrow{font-family:var(--sans);font-weight:600;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-d)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,245,239,.82);backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-weight:600;font-size:1.25rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand .dot{width:30px;height:30px;flex:none}
.nav-links{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav-links a{color:var(--ink-2);font-weight:500;font-size:.96rem}
.nav-links a:hover{color:var(--teal-d);text-decoration:none}
.nav .btn{margin-left:6px}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;transition:.3s}

.has-sub{position:relative}
.submenu{position:absolute;top:100%;left:50%;transform:translateX(-50%);background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:14px;min-width:560px;display:grid;grid-template-columns:1fr 1fr;gap:2px 22px;opacity:0;visibility:hidden;transition:.18s;margin-top:8px}
.has-sub:hover .submenu{opacity:1;visibility:visible;margin-top:0}
.submenu a{padding:7px 10px;border-radius:8px;font-size:.9rem;color:var(--ink-2)}
.submenu a:hover{background:var(--teal-l);color:var(--teal-d);text-decoration:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--sans);font-weight:600;font-size:.98rem;padding:12px 22px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s, box-shadow .15s, background .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--teal);color:#fff;box-shadow:0 6px 18px rgba(15,155,142,.32)}
.btn-primary:hover{background:var(--teal-d);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:var(--paper-2)}
.btn-lg{padding:15px 30px;font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
   radial-gradient(60% 50% at 85% 10%, rgba(15,155,142,.10), transparent 70%),
   radial-gradient(50% 60% at 5% 90%, rgba(224,146,43,.08), transparent 70%);z-index:0}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin:.2em 0 .35em}
.hero .lead{margin-bottom:1.6em;max-width:34ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.trust-row{display:flex;gap:24px;margin-top:30px;flex-wrap:wrap;align-items:center;color:var(--muted);font-size:.88rem}
.trust-row strong{color:var(--ink);font-family:var(--serif);font-size:1.3rem;display:block}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .18s, box-shadow .18s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .ic{width:46px;height:46px;border-radius:12px;background:var(--teal-l);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.card h3{margin-bottom:8px}
.card p{font-size:.96rem;color:var(--muted);margin-bottom:0}
a.card:hover{text-decoration:none}
a.card h3{color:var(--ink)}

.feature-link{display:block;color:var(--ink-2);font-weight:500}

/* ---------- Split content ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-media{order:2}
.media-frame{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}

/* ---------- Prose (article body) ---------- */
.prose{font-size:1.06rem}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.5em;margin-bottom:.4em;font-size:1.18rem}
.prose ul,.prose ol{margin:0 0 1.1em 1.2em}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--ink)}
.prose blockquote{border-left:3px solid var(--teal);padding:6px 0 6px 20px;margin:1.4em 0;font-family:var(--serif);font-size:1.15rem;color:var(--ink-2)}

/* ---------- Install box ---------- */
.install-box{background:var(--ink);color:#dfe6ee;border-radius:var(--radius-lg);padding:34px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;margin:36px 0}
.install-box h3{color:#fff;font-family:var(--serif);font-weight:500;font-size:1.5rem;margin-bottom:6px}
.install-box ol{margin:10px 0 0 18px;color:#aebccd;font-size:.95rem}
.install-box li{margin-bottom:4px}
.install-box .btn-primary{white-space:nowrap}

/* ---------- FAQ ---------- */
.faq details{background:var(--paper-2);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;font-size:1.02rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--teal-d);font-weight:400;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:16px 22px 22px;color:var(--ink-2);font-size:.98rem}
.faq .ans p:last-child{margin-bottom:0}

/* ---------- Reviews ---------- */
.review{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.stars{color:var(--amber);letter-spacing:2px;margin-bottom:10px;font-size:1rem}
.review p{font-size:1rem;color:var(--ink-2)}
.reviewer{display:flex;align-items:center;gap:12px;margin-top:14px}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--teal-l);display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--teal-d);font-family:var(--sans)}
.reviewer .who{font-weight:600;font-size:.92rem}
.reviewer .role{font-size:.82rem;color:var(--muted)}

/* ---------- Pricing ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow);position:relative}
.plan.featured{border:2px solid var(--teal);box-shadow:var(--shadow-lg)}
.plan .tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--teal);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 14px;border-radius:999px}
.plan h3{font-family:var(--serif);font-weight:500;font-size:1.5rem}
.price{font-family:var(--serif);font-size:2.6rem;color:var(--ink);margin:8px 0}
.price span{font-size:1rem;color:var(--muted);font-family:var(--sans)}
.plan ul{list-style:none;margin:18px 0}
.plan li{padding:8px 0 8px 28px;position:relative;font-size:.96rem;border-bottom:1px solid var(--line)}
.plan li::before{content:"\2713";position:absolute;left:0;color:var(--teal);font-weight:700}

/* ---------- CTA banner ---------- */
.cta-banner{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border-radius:var(--radius-lg);padding:clamp(36px,5vw,64px);text-align:center;position:relative;overflow:hidden}
.cta-banner::after{content:"";position:absolute;inset:0;background:radial-gradient(50% 80% at 80% 0%,rgba(15,155,142,.35),transparent 60%);pointer-events:none}
.cta-banner h2{color:#fff;position:relative}
.cta-banner p{color:#b9c6d4;max-width:52ch;margin:0 auto 1.6em;position:relative}
.cta-banner .btn{position:relative}

/* ---------- Breadcrumb ---------- */
.crumb{font-size:.85rem;color:var(--muted);padding-top:26px}
.crumb a{color:var(--muted)}

/* ---------- Page header ---------- */
.page-head{padding:clamp(40px,6vw,72px) 0 0}
.page-head .eyebrow{margin-bottom:14px}
.page-head .lead{max-width:60ch;margin-top:.6em}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#9fb0c2;padding:64px 0 32px;margin-top:40px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.site-footer h4{color:#fff;font-family:var(--sans);font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px}
.site-footer a{color:#9fb0c2;display:block;padding:5px 0;font-size:.92rem}
.site-footer a:hover{color:#fff;text-decoration:none}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:1.3rem;color:#fff;margin-bottom:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem}
.disclaimer{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:18px 20px;font-size:.82rem;line-height:1.5;margin-bottom:40px;color:#8da0b4}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .hero-grid,.split,.foot-grid{grid-template-columns:1fr}
  .split.rev .split-media{order:0}
  .g-3,.g-4,.price-grid{grid-template-columns:1fr 1fr}
  .foot-grid{gap:32px}
  .nav-links{position:fixed;inset:68px 0 auto 0;background:var(--paper-2);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:4px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);display:none}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:10px 0}
  .nav-toggle{display:block}
  .submenu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:4px 0 8px 14px;min-width:0;grid-template-columns:1fr;margin:0}
  .has-sub:hover .submenu{margin:0}
  .install-box{grid-template-columns:1fr}
}
@media(max-width:560px){
  .g-3,.g-4,.price-grid,.g-2{grid-template-columns:1fr}
  body{font-size:16px}
}

/* ---------- Blog article elements ---------- */
.byline{color:var(--muted);font-size:.9rem;margin-top:.4em}
.article-hero{margin:0 0 28px}
.article-hero img,.article-img img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow)}
.article-img{margin:30px 0}
.article-img figcaption,.article-hero figcaption{color:var(--muted);font-size:.86rem;text-align:center;margin-top:10px}
.takeaways{background:var(--teal-l);border:1px solid #bfe0db;border-radius:var(--radius);padding:22px 26px;margin:0 0 28px}
.takeaways .tk-h{font-family:var(--sans);font-weight:700;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-d);margin-bottom:10px}
.takeaways ul{margin:0 0 0 18px}
.takeaways li{margin-bottom:6px;color:var(--ink-2)}
.toc{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 26px;margin:0 0 32px}
.toc-h{font-family:var(--sans);font-weight:700;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.toc ol{margin:0 0 0 18px}
.toc li{margin-bottom:5px}
.toc a{color:var(--ink-2)}
.article-body h2{scroll-margin-top:90px}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.96rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--teal-l);font-family:var(--sans);font-weight:600}
.article-body tr:nth-child(even) td{background:var(--paper-2)}