/* Lira-VPN Website v0.1.0 — Phase 1 static site. No frameworks, no external dependencies. */
:root{
  --ink:#0b1e33;
  --ink-2:#12314e;
  --slate:#43566b;
  --muted:#5d7285;
  --line:#dfe7ee;
  --bg:#f5f8fa;
  --card:#ffffff;
  --teal:#0e7c7b;
  --teal-dark:#0a5f5e;
  --amber:#d9931e;
  --navy-cta:#0b1e33;
  --radius:12px;
  --max:1140px;
  --shadow:0 10px 30px rgba(11,30,51,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--teal-dark)}
a:hover{color:var(--teal)}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.7rem 1rem;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.small{font-size:.92rem}
/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand-mark{width:36px;height:36px;flex:0 0 36px}
.brand-name{font-weight:800;letter-spacing:.04em;font-size:1.06rem;line-height:1.1}
.brand-name span{display:block;font-weight:600;font-size:.68rem;letter-spacing:.22em;color:var(--teal-dark)}
.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-desktop a{text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;padding:.55rem .7rem;border-radius:8px}
.nav-desktop a:hover{background:var(--bg);color:var(--teal-dark)}
.nav-desktop a[aria-current="page"]{color:var(--teal-dark);background:#e7f2f1}
.btn{display:inline-block;text-decoration:none;font-weight:700;border-radius:10px;padding:.8rem 1.35rem;font-size:.98rem;border:2px solid transparent;cursor:pointer;line-height:1.3;text-align:center}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{background:var(--ink-2);color:#fff;border-color:var(--ink-2)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-secondary:hover{background:var(--bg)}
.btn-teal{background:var(--teal);border-color:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff}
.btn-sm{padding:.55rem .95rem;font-size:.88rem}
.header-cta{margin-left:8px;white-space:nowrap}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:9px;padding:.5rem .6rem;cursor:pointer}
.nav-toggle svg{display:block}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 24px 18px}
.mobile-nav a{display:block;padding:.75rem .25rem;text-decoration:none;color:var(--ink);font-weight:650;border-bottom:1px solid #eef2f6}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav.open{display:block}
/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#0b1e33 0%,#0e2a46 60%,#13395c 100%);color:#fff;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:64px 0 60px}
.eyebrow{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.24em;color:#8fd6d2;margin:0 0 14px}
.hero h1{font-size:clamp(2rem,4.4vw,3.15rem);line-height:1.12;margin:0 0 16px;letter-spacing:-.015em}
.hero p.lead{font-size:1.12rem;color:#cdd9e4;max-width:34rem;margin:0 0 26px}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.hero .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-secondary:hover{background:rgba(255,255,255,.1)}
.hero-note{font-size:.88rem;color:#9db2c4}
.hero-visual{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px;margin:0;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.hero-visual figcaption{font-size:.8rem;color:#9db2c4;margin-top:10px;text-align:center}
.trust-strip{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;display:flex;gap:10px 26px;flex-wrap:wrap;font-size:.86rem;color:#b9c9d8}
.trust-strip strong{color:#fff}
/* ---------- Sections ---------- */
.section{padding:64px 0}
.section.alt{background:var(--bg)}
.section-head{max-width:46rem;margin-bottom:30px}
.kicker{font-size:.76rem;font-weight:800;letter-spacing:.22em;color:var(--teal-dark);margin:0 0 10px}
h2.section-title{font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.2;margin:0 0 12px;letter-spacing:-.01em}
.section-head p{color:var(--slate);margin:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 1px 2px rgba(11,30,51,.05)}
.card h3{margin:0 0 8px;font-size:1.08rem}
.card p{margin:0;color:var(--slate);font-size:.97rem}
.card .icon{width:42px;height:42px;border-radius:10px;background:#e7f2f1;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.use-case{border-left:4px solid var(--teal)}
.use-case h3{margin-top:0}
.checklist{list-style:none;padding:0;margin:14px 0 0}
.checklist li{padding-left:30px;position:relative;margin-bottom:10px;color:var(--slate)}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal-dark);font-weight:800}
.diagram{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px;margin:0;box-shadow:var(--shadow)}
.diagram figcaption{font-size:.85rem;color:var(--muted);margin-top:12px;text-align:center}
.band{background:var(--ink);color:#fff;border-radius:18px;padding:40px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center}
.band h2{margin:0 0 10px;font-size:clamp(1.4rem,2.6vw,1.9rem)}
.band p{color:#c6d4e1;margin:0 0 20px}
.band .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.faq details{border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin-bottom:12px;background:#fff}
.faq summary{font-weight:700;cursor:pointer}
.faq p{color:var(--slate)}
table.spec{width:100%;border-collapse:collapse;font-size:.95rem}
table.spec th,table.spec td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec th{background:var(--bg);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
/* page hero (interior) */
.page-hero{background:linear-gradient(180deg,#0b1e33,#13395c);color:#fff;padding:56px 0 48px}
.page-hero h1{font-size:clamp(1.8rem,3.6vw,2.6rem);margin:0 0 12px;letter-spacing:-.01em;line-height:1.15}
.page-hero p{color:#c6d4e1;max-width:44rem;margin:0}
.breadcrumb{font-size:.82rem;color:#8fa6bb;margin-bottom:14px}
.breadcrumb a{color:#c6d4e1}
/* notice / callout */
.callout{border:1px solid #cfe3e2;background:#eef6f5;border-radius:12px;padding:18px 20px;color:#0d3a39}
.callout.warning{border-color:#ecd9ac;background:#fdf5e2;color:#5a430f}
.callout h3,.callout h4{margin-top:0}
/* footer */
.site-footer{background:#081627;color:#b9c9d8;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:32px;padding:48px 0 28px}
.footer-brand{color:#fff;font-weight:800;letter-spacing:.04em}
.footer-tag{font-size:.9rem;color:#8fa6bb;margin:6px 0 16px}
.footer-grid h4{color:#fff;font-size:.8rem;letter-spacing:.16em;margin:0 0 12px}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:#b9c9d8;text-decoration:none;font-size:.93rem}
.footer-grid a:hover{color:#fff;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;font-size:.84rem;color:#8fa6bb;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* contact list */
.contact-card dl{margin:0}
.contact-card dt{font-weight:800;font-size:.8rem;letter-spacing:.12em;color:var(--muted);margin-top:16px}
.contact-card dt:first-child{margin-top:0}
.contact-card dd{margin:4px 0 0}
/* resource list */
.resource-item{display:flex;gap:18px;align-items:flex-start}
.resource-item .file-badge{flex:0 0 52px;width:52px;height:64px;border-radius:8px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.75rem}
/* SME brochure promotion + featured document card */
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sme-promo{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.cover-link{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow);line-height:0;transition:transform .15s ease,box-shadow .15s ease}
.cover-link:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(11,30,51,.14)}
.cover-link img{display:block;width:100%;height:auto}
.doc-card{display:grid;grid-template-columns:300px 1fr;background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.doc-card-cover{display:block;width:100%;background:var(--bg);border-right:1px solid var(--line)}
.doc-card-cover img{display:block;width:100%;height:auto}
.doc-card-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center}
.doc-card-body h3{margin:0 0 10px;font-size:1.32rem}
.doc-card-body p{margin:0 0 6px;color:var(--slate)}
.doc-meta{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:18px 0 20px}
.doc-meta li{background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.doc-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:0}
.sme-callout{margin-top:26px}
.sme-callout p{margin:0 0 10px}
.sme-callout p:last-child{margin-bottom:0}
.brochure-link{display:inline-block;padding:10px 0;margin:-10px 0;font-weight:800}
/* responsive */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;padding:48px 0 44px}
  .grid-3{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-desktop{display:none}
  .nav-toggle{display:block}
  .header-cta{display:none}
  .sme-promo{grid-template-columns:1fr;gap:32px}
  .cover-link{max-width:340px}
  .doc-card{grid-template-columns:1fr}
  .doc-card-cover{max-width:320px;margin:0 auto;border-right:0;border-bottom:1px solid var(--line)}
}
@media (max-width:600px){
  body{font-size:16px}
  .section{padding:44px 0}
  .grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-ctas .btn{flex:1 1 100%}
  .wrap{padding:0 18px}
  table.spec{display:block;overflow-x:auto}
  .doc-card-body{padding:24px 20px}
  .doc-actions .btn{width:100%}
}
@media print{
  .site-header,.site-footer,.hero-ctas,.nav-toggle{display:none}
  body{font-size:12pt}
}
/* --------------------------------------------------------------------------
   Layout refinements formerly written as inline style="…" attributes.
   The site ships Content-Security-Policy style-src 'self' (no unsafe-inline),
   so browsers ignore inline styles: each rule below is the class-based or
   context-based equivalent of a former inline attribute in the HTML.
   Guarded by tests/check.py (no inline styles in site HTML).
   -------------------------------------------------------------------------- */
.wrap.narrow{max-width:36rem;margin:0 auto;text-align:center}
.slate{color:var(--slate)}
.btn+.btn{margin-left:8px}
.sp-20{height:20px}
.sp-26{height:26px}
.sp-36{height:36px}
h2.section-title.compact{font-size:1.3rem}
.card .cta-block{margin-top:18px}
.section-lead{margin-top:26px;color:var(--slate);max-width:46rem}
.promo-lead{color:var(--slate);max-width:40rem;margin:0 0 18px}
.sme-promo .section-head{margin-bottom:16px}
.sme-promo .hero-ctas{margin-bottom:14px}
.card .card-cta{margin-top:12px}
.band .card{color:var(--ink)}
.band .card p{color:var(--slate);margin:0}
.band .card .card-cta{margin-top:12px}
.callout h4{margin:0 0 6px}
.callout p{margin:0}
.sme-callout .kicker{margin:0 0 8px}
.resource-item h3{margin:0 0 6px}
.resource-item .desc{margin:0 0 12px}
.after-callout{margin-top:22px}
.footer-note{margin-top:12px}