/* ============================================================
   WiFi Map — Epsilon Developers
   Shared stylesheet for the legal / marketing site.
   Palette mirrors the app's design tokens (lib/core/design/tokens.dart):
   teal #2EE6C5 primary, magenta #FF3DDB accent, ground #0A0E14.
   ============================================================ */

:root {
  /* Brand — light mode uses a darkened teal so text on it stays legible. */
  --brand:#0B7A6D; --brand-mid:#0E9384; --brand-deep:#064A44; --brand-light:#E1F7F3;
  --magenta:#A3268C; --magenta-light:#FCE7F6;
  --violet:#6D42C7; --violet-light:#F0EAFE;
  --gold:#B45309; --gold-light:#FEF3C7;
  --green:#1B7340; --green-light:#E6F4EC;
  --red:#B71C1C; --red-light:#FDECEA;
  --amber:#B45309; --amber-light:#FEF3C7;

  --bg:#F6F8FA; --surface:#FFFFFF; --surface-2:#F0F4F6;
  --border:#DDE4E7; --text:#101A1F; --text-mid:#41525C; --text-soft:#64757F;

  --radius:12px; --radius-sm:8px; --radius-lg:18px;
  --shadow:0 1px 4px rgba(0,0,0,.07),0 4px 16px rgba(0,0,0,.05);
  --shadow-lg:0 2px 8px rgba(0,0,0,.08),0 12px 32px rgba(0,0,0,.07);
  --transition:.18s ease;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'SF Mono','Fira Code',Consolas,'Courier New',monospace;
  --hero-grad:linear-gradient(135deg,#0B5F57 0%,#062B2E 100%);
}

@media (prefers-color-scheme:dark){
  :root{
    --brand:#2EE6C5; --brand-mid:#2EE6C5; --brand-deep:#83FFE2; --brand-light:#0B2B29;
    --magenta:#FF7ADF; --magenta-light:#2C0A26;
    --violet:#B18CFF; --violet-light:#1C1230;
    --gold:#FFB800; --gold-light:#2D1D00;
    --green:#4ADE80; --green-light:#0D2318;
    --red:#FF6B60; --red-light:#2D0D0D;
    --amber:#FFB800; --amber-light:#2D1D00;

    --bg:#0A0E14; --surface:#161B22; --surface-2:#1F262F;
    --border:#2A323D; --text:#E6EBF2; --text-mid:#9AA7B8; --text-soft:#78889A;
    --shadow:0 1px 4px rgba(0,0,0,.4),0 4px 16px rgba(0,0,0,.3);
    --shadow-lg:0 2px 8px rgba(0,0,0,.45),0 12px 32px rgba(0,0,0,.35);
  }
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--brand-mid);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand-mid);outline-offset:2px;border-radius:4px}
ul,ol{padding-left:1.4em}
li{margin-top:.35em}
strong{font-weight:700}
img{max-width:100%;height:auto}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:999;background:var(--surface);padding:.6rem 1rem;border-radius:8px;border:1px solid var(--border)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--surface);border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.header-inner{max-width:1180px;margin:0 auto;padding:.9rem 1.5rem;display:flex;align-items:center;gap:1rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.05rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand-icon{width:32px;height:32px;border-radius:8px;background:var(--hero-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;flex-shrink:0}
.header-badge{background:var(--brand-light);color:var(--brand-mid);font-size:.72rem;font-weight:700;padding:.25rem .7rem;border-radius:20px;letter-spacing:.03em}
.header-link{font-size:.85rem;color:var(--text-soft);white-space:nowrap}
.header-link:hover{color:var(--brand-mid);text-decoration:none}
.header-nav{margin-left:auto;display:flex;align-items:center;gap:1.25rem;flex-wrap:wrap}

/* ---------- hero ---------- */
.hero{background:var(--hero-grad);color:#fff;padding:3.5rem 1.5rem 3rem;text-align:center;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero>*{position:relative}
.hero-icon{font-size:2.8rem;margin-bottom:.5rem;line-height:1}
.hero h1{font-size:clamp(1.75rem,5vw,2.6rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.5rem}
.hero p{font-size:1rem;opacity:.85;max-width:620px;margin:0 auto}
.hero-meta{display:flex;justify-content:center;gap:.75rem;margin-top:1.5rem;flex-wrap:wrap}
.hero-meta span{display:flex;align-items:center;gap:.4rem;background:rgba(255,255,255,.12);padding:.35rem .9rem;border-radius:20px;font-size:.82rem;font-weight:500}

/* ---------- layout ---------- */
.layout{max-width:1180px;margin:0 auto;padding:2rem 1.5rem;display:grid;grid-template-columns:250px 1fr;gap:2rem;align-items:start}
@media(max-width:900px){.layout{grid-template-columns:1fr}.toc-sidebar{display:none}}
.wrap{max-width:1180px;margin:0 auto;padding:0 1.5rem}
.narrow{max-width:820px;margin:0 auto;padding:2rem 1.5rem}

.toc-sidebar{position:sticky;top:72px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;box-shadow:var(--shadow);max-height:calc(100vh - 90px);overflow-y:auto}
.toc-sidebar h3{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft);margin-bottom:.9rem}
.toc-list{list-style:none;padding:0}
.toc-list li{margin-top:0}
.toc-list a{display:block;padding:.35rem .6rem;font-size:.83rem;color:var(--text-mid);border-radius:6px;transition:all var(--transition)}
.toc-list a:hover,.toc-list a.active{background:var(--brand-light);color:var(--brand-mid);text-decoration:none}

/* ---------- content ---------- */
.content>section{margin-bottom:2.75rem}
.section-anchor{scroll-margin-top:88px}
h2.section-title{font-size:1.3rem;font-weight:800;color:var(--text);letter-spacing:-.01em;padding-bottom:.6rem;border-bottom:2px solid var(--brand-light);margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.section-num{background:var(--brand);color:#fff;font-size:.72rem;font-weight:700;width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
@media(prefers-color-scheme:dark){.section-num{color:#00201A}}
h3.sub-title{font-size:1rem;font-weight:700;color:var(--text);margin:1.4rem 0 .6rem}
h4.sub-sub{font-size:.92rem;font-weight:700;color:var(--text-mid);margin:1.1rem 0 .4rem}
p{margin-bottom:.85rem;font-size:.95rem;color:var(--text)}
.lede{font-size:1.02rem;color:var(--text-mid)}

/* ---------- highlights / callouts ---------- */
.highlights{background:var(--green-light);border:1.5px solid var(--green);border-radius:var(--radius);padding:1.25rem 1.5rem;margin-bottom:2rem}
.highlights h3{color:var(--green);font-size:.85rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;margin-bottom:.75rem}
.highlights ul{list-style:none;padding:0}
.highlights li{display:flex;align-items:flex-start;gap:.5rem;font-size:.9rem;color:var(--text);margin-top:.45em}
.highlights li::before{content:'\2713';color:var(--green);font-weight:700;flex-shrink:0}
.highlights.warn{background:var(--amber-light);border-color:var(--amber)}
.highlights.warn h3{color:var(--amber)}
.highlights.warn li::before{content:'\0021';color:var(--amber)}

.callout{border-radius:var(--radius-sm);padding:1rem 1.2rem;margin:1rem 0;font-size:.9rem;display:flex;gap:.75rem;align-items:flex-start}
.callout p:last-child{margin-bottom:0}
.callout-icon{font-size:1.1rem;flex-shrink:0;margin-top:.05rem;line-height:1.3}
.callout-blue{background:var(--brand-light);border-left:3px solid var(--brand-mid)}
.callout-amber{background:var(--amber-light);border-left:3px solid var(--amber)}
.callout-green{background:var(--green-light);border-left:3px solid var(--green)}
.callout-red{background:var(--red-light);border-left:3px solid var(--red)}
.callout-violet{background:var(--violet-light);border-left:3px solid var(--violet)}

/* ---------- tables ---------- */
.perm-table{width:100%;border-collapse:collapse;font-size:.875rem;margin:1rem 0}
.perm-table th{background:var(--surface-2);text-align:left;padding:.6rem .85rem;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-soft);border-bottom:1.5px solid var(--border)}
.perm-table td{padding:.65rem .85rem;border-bottom:1px solid var(--border);vertical-align:top}
.perm-table tr:last-child td{border-bottom:none}
.perm-table tbody tr:hover td{background:var(--surface-2)}
.perm-table td strong{color:var(--text)}

code{font-family:var(--mono);font-size:.8em;background:var(--surface-2);border:1px solid var(--border);padding:.15em .45em;border-radius:4px;color:var(--text-mid);overflow-wrap:anywhere}
pre{font-family:var(--mono);font-size:.8rem;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:1rem;overflow-x:auto;margin:1rem 0;line-height:1.6}
pre code{background:none;border:none;padding:0}

/* ---------- cards ---------- */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin:1rem 0}
.service-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem;box-shadow:var(--shadow)}
.service-card h4{font-size:.9rem;font-weight:700;margin-bottom:.3rem;display:flex;align-items:center;gap:.45rem}
.service-card p{font-size:.83rem;color:var(--text-mid);margin:0 0 .4rem}
.service-card a{font-size:.8rem;overflow-wrap:anywhere}

.rights-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.85rem;margin:1rem 0}
.right-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.9rem 1rem}
.right-icon{font-size:1.5rem;margin-bottom:.4rem;line-height:1}
.right-card h4{font-size:.85rem;font-weight:700;margin-bottom:.2rem}
.right-card p{font-size:.78rem;color:var(--text-soft);margin:0}

/* ---------- steps ---------- */
.steps{counter-reset:step;list-style:none;padding:0;margin:1rem 0}
.steps li{counter-increment:step;position:relative;padding-left:2.4rem;margin-top:.9rem;font-size:.92rem}
.steps li::before{content:counter(step);position:absolute;left:0;top:.05rem;width:1.6rem;height:1.6rem;border-radius:50%;background:var(--brand);color:#fff;font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center}
@media(prefers-color-scheme:dark){.steps li::before{color:#00201A}}
.steps li strong{display:block;color:var(--text)}

/* ---------- tags / badges ---------- */
.tag{display:inline-block;padding:.15rem .55rem;border-radius:20px;font-size:.73rem;font-weight:600;white-space:nowrap}
.tag-on-device{background:var(--green-light);color:var(--green)}
.tag-third-party{background:var(--amber-light);color:var(--amber)}
.tag-local{background:var(--brand-light);color:var(--brand-mid)}
.tag-server{background:var(--violet-light);color:var(--violet)}
.tag-no{background:var(--red-light);color:var(--red)}

/* ---------- contact box ---------- */
.contact-box{background:var(--hero-grad);color:#fff;border-radius:var(--radius);padding:2rem;text-align:center}
.contact-box h3{font-size:1.15rem;font-weight:700;margin-bottom:.5rem}
.contact-box p{font-size:.9rem;opacity:.88;margin-bottom:1.2rem;color:#fff}
.contact-btn{display:inline-flex;align-items:center;gap:.5rem;background:#fff;color:#064A44;font-weight:700;font-size:.9rem;padding:.65rem 1.5rem;border-radius:8px;text-decoration:none;transition:transform var(--transition)}
.contact-btn:hover{transform:translateY(-2px);text-decoration:none;color:#064A44}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;font-size:.92rem;padding:.72rem 1.5rem;border-radius:10px;transition:transform var(--transition),box-shadow var(--transition);border:1px solid transparent;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{color:#fff;box-shadow:var(--shadow-lg)}
@media(prefers-color-scheme:dark){
  .btn-primary{color:#00201A}
  .btn-primary:hover{color:#00201A}
}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{color:var(--text);border-color:var(--brand-mid)}
.btn-row{display:flex;gap:.75rem;flex-wrap:wrap;justify-content:center;margin-top:1.5rem}

/* ---------- footer ---------- */
footer{background:var(--surface);border-top:1px solid var(--border);padding:2.5rem 1.5rem 1.75rem;font-size:.85rem;color:var(--text-soft);margin-top:2rem}
.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:2rem}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;gap:1.75rem}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-grid h4{font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-soft);margin-bottom:.75rem}
.footer-grid ul{list-style:none;padding:0}
.footer-grid li{margin-top:.4em}
.footer-grid a{color:var(--text-mid);font-size:.84rem}
.footer-grid a:hover{color:var(--brand-mid)}
.footer-about{font-size:.84rem;color:var(--text-mid);line-height:1.65}
.footer-about .brand{margin-bottom:.6rem;font-size:1rem}
.footer-bottom{max-width:1180px;margin:2rem auto 0;padding-top:1.25rem;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.8rem}
.footer-links{display:flex;gap:1.25rem;flex-wrap:wrap}

/* ---------- landing page ---------- */
.section{padding:3.5rem 0}
.section-head{text-align:center;max-width:660px;margin:0 auto 2.25rem}
.section-head h2{font-size:clamp(1.4rem,3.6vw,2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:.6rem}
.section-head p{color:var(--text-mid);font-size:.98rem;margin:0}
.eyebrow{display:inline-block;background:var(--brand-light);color:var(--brand-mid);font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:.28rem .8rem;border-radius:20px;margin-bottom:.85rem}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1.1rem}
.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition)}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.feature-card .ico{font-size:1.7rem;line-height:1;margin-bottom:.6rem}
.feature-card h3{font-size:1rem;font-weight:700;margin-bottom:.35rem}
.feature-card p{font-size:.87rem;color:var(--text-mid);margin:0}
.chip-grid{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center}
.chip{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:.45rem 1rem;font-size:.85rem;color:var(--text-mid);font-weight:500}
.alt{background:var(--surface-2)}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem;max-width:820px;margin:0 auto}
.price-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;box-shadow:var(--shadow)}
.price-card.featured{border:1.5px solid var(--brand-mid)}
.price-card h3{font-size:1.05rem;font-weight:800;margin-bottom:.15rem}
.price-card .price{font-size:1.9rem;font-weight:800;letter-spacing:-.02em;margin:.5rem 0 .15rem}
.price-card .price small{font-size:.8rem;font-weight:600;color:var(--text-soft)}
.price-card ul{list-style:none;padding:0;margin-top:1rem}
.price-card li{font-size:.87rem;color:var(--text-mid);display:flex;gap:.5rem;align-items:flex-start;margin-top:.5em}
.price-card li::before{content:'\2713';color:var(--brand-mid);font-weight:700;flex-shrink:0}
details.faq{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);margin-top:.7rem;overflow:hidden}
details.faq summary{padding:.95rem 1.15rem;font-weight:600;font-size:.93rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:'\002B';color:var(--brand-mid);font-weight:700;font-size:1.15rem;flex-shrink:0}
details.faq[open] summary::after{content:'\2212'}
details.faq .faq-body{padding:0 1.15rem 1.1rem;font-size:.89rem;color:var(--text-mid)}
details.faq .faq-body p:last-child{margin-bottom:0}
.legal-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem}
.legal-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;display:block;color:var(--text);transition:transform var(--transition),border-color var(--transition)}
.legal-card:hover{text-decoration:none;transform:translateY(-3px);border-color:var(--brand-mid);color:var(--text)}
.legal-card h3{font-size:.95rem;font-weight:700;margin-bottom:.25rem;display:flex;align-items:center;gap:.45rem}
.legal-card p{font-size:.82rem;color:var(--text-soft);margin:0}

/* ---------- misc ---------- */
.updated-bar{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.7rem 1rem;font-size:.83rem;color:var(--text-soft);margin-bottom:1.5rem}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1.1rem;font-size:.9rem;margin:1rem 0}
.kv dt{font-weight:700;color:var(--text-mid)}
.kv dd{color:var(--text)}
@media(max-width:520px){.kv{grid-template-columns:1fr;gap:.1rem 0}.kv dd{margin-bottom:.6rem}}
hr.rule{border:none;border-top:1px solid var(--border);margin:2rem 0}

@media print{
  .toc-sidebar,.site-header,.btn-row,footer .footer-grid{display:none}
  .layout{grid-template-columns:1fr}
  .hero{background:none;color:var(--text);padding:1rem 0}
  .hero::before{display:none}
  a{color:var(--text);text-decoration:underline}
}

@media(max-width:600px){
  .hero{padding:2.4rem 1.15rem 2rem}
  .layout,.content,.wrap,.narrow{min-width:0}
  .layout{padding:1.5rem 1.15rem}
  table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  table th,table td{font-size:.8rem;padding:.5rem .55rem}
  a,code,.right-card a,.service-card a,.contact-box a{overflow-wrap:anywhere}
  .section{padding:2.5rem 0}
  .contact-box{padding:1.5rem 1.15rem}
}