/* ===================================================================
   ZoogVPN Review — "Verified Ledger" design system
   Palette: warm paper + ink navy + verified green + amber seal accent
=================================================================== */

:root{
  --ink:#14181F;
  --paper:#F7F4EC;
  --paper-alt:#EFEADD;
  --navy:#0E1E36;
  --navy-2:#152B4A;
  --verified:#1F7A5C;
  --verified-dark:#155E45;
  --amber:#D99A3D;
  --amber-dark:#B57B25;
  --slate:#5B6472;
  --line:#DCD5C2;
  --line-dark:#2A3B57;
  --white:#FFFFFF;
  --font-display:'Fraunces', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'SFMono-Regular', monospace;
  --radius:10px;
  --container:1280px;
  --shadow-soft: 0 2px 20px rgba(14,30,54,0.08);
  --shadow-card: 0 1px 3px rgba(14,30,54,0.06), 0 8px 24px rgba(14,30,54,0.07);
}

/* CJK-friendly font stacks */
:root[lang="zh-CN"], :root[lang="zh"]{
  --font-display:'Fraunces', "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  --font-body:'Inter', "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 0.5em;
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;}
.container{max-width:var(--container); margin:0 auto; padding:0 24px;}
:focus-visible{outline:3px solid var(--amber); outline-offset:2px;}

/* ---------------- Header / nav ---------------- */
.site-header{
  background:var(--navy);
  color:var(--white);
  position:sticky; top:0; z-index:50;
  border-bottom:1px solid var(--line-dark);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  height:64px; gap:16px; flex-wrap:nowrap;
}
.brand{
  display:flex; align-items:center; gap:8px; flex:none;
  font-family:var(--font-display); font-weight:700; font-size:1.05rem;
  color:var(--white); text-decoration:none; white-space:nowrap;
}
/* Logo on dark navy background — invert to white so text/icon are visible */
.brand-logo{
  height:22px; width:auto; display:block; flex:none;
  filter:brightness(0) invert(1);
}
.brand-suffix{ display:flex; flex-direction:column; line-height:1.1; }
.brand-suffix small{
  display:block; font-family:var(--font-body); font-weight:400;
  font-size:0.58rem; letter-spacing:0.08em; text-transform:uppercase; color:#9FB3CE;
}

/* Main nav */
nav.main-nav{
  display:flex; align-items:center; gap:16px;
  flex:1; min-width:0;
}
nav.main-nav > a{
  color:#D7E1EE; text-decoration:none; font-size:0.88rem; font-weight:500;
  padding:6px 0; border-bottom:2px solid transparent; white-space:nowrap; flex:none;
}
nav.main-nav > a:hover,
nav.main-nav > a[aria-current="page"]{ color:var(--white); border-bottom-color:var(--amber); }

/* Nav dropdown — HIDDEN by default, revealed on hover */
.nav-dropdown{ position:relative; flex:none; }
.nav-dropdown-btn{
  background:none; border:none; border-bottom:2px solid transparent;
  color:#D7E1EE; font-size:0.88rem; font-weight:500;
  padding:6px 0; cursor:pointer; font-family:var(--font-body);
  white-space:nowrap; line-height:inherit;
}
.nav-dropdown-btn:hover{ color:var(--white); border-bottom-color:var(--amber); }
.nav-dropdown-menu{
  display:none;
  position:absolute; top:calc(100% + 10px); left:0;
  background:var(--navy-2); border:1px solid var(--line-dark);
  border-radius:8px; min-width:230px; z-index:200;
  padding:6px 0; box-shadow:0 8px 24px rgba(0,0,0,0.3);
}
.nav-dropdown:hover .nav-dropdown-menu{ display:block; }
.nav-dropdown-menu a{
  display:block; padding:10px 16px;
  color:#D7E1EE; text-decoration:none; font-size:0.88rem; white-space:nowrap;
  border-bottom:none;
}
.nav-dropdown-menu a:hover{ color:var(--white); background:rgba(255,255,255,0.07); }

/* Header right-side actions */
.header-actions{ display:flex; align-items:center; gap:10px; flex:none; }
.lang-switch{ position:relative; }
.lang-switch summary{
  list-style:none; cursor:pointer; display:flex; align-items:center; gap:6px;
  color:#D7E1EE; font-size:0.86rem; padding:7px 10px;
  border:1px solid var(--line-dark); border-radius:8px; white-space:nowrap;
}
.lang-switch summary::-webkit-details-marker{ display:none; }
.lang-switch[open] summary{ background:var(--navy-2); }
.lang-menu{
  position:absolute; right:0; top:calc(100% + 6px);
  background:var(--white); color:var(--ink);
  border-radius:8px; box-shadow:var(--shadow-card); min-width:160px; overflow:hidden; z-index:60;
}
.lang-menu a{ display:block; padding:10px 14px; text-decoration:none; color:var(--ink); font-size:0.9rem; }
.lang-menu a:hover{ background:var(--paper-alt); }
.lang-menu a[aria-current="true"]{ color:var(--verified); font-weight:600; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; font-size:0.88rem;
  padding:9px 16px; border-radius:8px; text-decoration:none; border:1px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-1px); }
.btn-primary{ background:var(--verified); color:var(--white); box-shadow:var(--shadow-soft); }
.btn-primary:hover{ background:var(--verified-dark); }
.btn-outline{ background:transparent; border-color:var(--line-dark); color:var(--white); }
.btn-outline:hover{ background:var(--navy-2); }
.btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
.btn-ghost:hover{ background:var(--paper-alt); }

/* Hamburger — desktop: hidden */
.nav-toggle{ display:none; background:none; border:none; color:var(--white); font-size:1.5rem; cursor:pointer; flex:none; }

/* Mobile nav extras — hidden everywhere except inside open mobile nav */
.mobile-nav-extras{ display:none; }

/* ---------------- Trust bar ---------------- */
.trustbar{
  background:var(--paper-alt); border-bottom:1px solid var(--line);
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.02em; color:var(--slate);
  text-align:center; padding:9px 16px;
}

/* ---------------- Hero ---------------- */
.hero{ padding:64px 0 56px; position:relative; overflow:hidden; }
.hero .container{ display:grid; grid-template-columns:1.15fr 0.85fr; gap:48px; align-items:center; }
.eyebrow{
  font-family:var(--font-mono); font-size:0.78rem; text-transform:uppercase; letter-spacing:0.1em;
  color:var(--verified-dark); margin-bottom:14px; display:flex; align-items:center; gap:8px;
}
.eyebrow::before{ content:''; width:8px; height:8px; border-radius:50%; background:var(--verified); display:inline-block; }
.hero h1{ font-size:clamp(2.1rem, 4.4vw, 3.3rem); margin-bottom:0.4em; }
.hero .lede{ font-size:1.15rem; color:var(--slate); max-width:56ch; margin-bottom:1.6em; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-visual{ display:flex; justify-content:center; align-items:center; }
.seal{ position:relative; width:260px; height:260px; }

/* stat grid */
.stat-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line);
  border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin:40px 0;
}
.stat-cell{ background:var(--paper); padding:24px 18px; text-align:center; }
.stat-cell .val{ font-family:var(--font-display); font-size:1.9rem; font-weight:700; color:var(--navy); }
.stat-cell .lbl{ font-size:0.82rem; color:var(--slate); margin-top:4px; }

/* ---------------- Section basics ---------------- */
section{ padding:56px 0; }
.section-tight{ padding:36px 0; }
.section-head{ max-width:70ch; margin-bottom:32px; }
.section-head h2{ font-size:clamp(1.5rem,3vw,2.1rem); }
.section-head .sub{ color:var(--slate); font-size:1.02rem; }
.bg-alt{ background:var(--paper-alt); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.bg-navy{ background:var(--navy); color:var(--white); }
.bg-navy h2, .bg-navy h3{ color:var(--white); }

/* verdict callout */
.verdict-box{
  background:var(--white); border:1px solid var(--line); border-left:6px solid var(--verified);
  border-radius:var(--radius); padding:28px 30px; box-shadow:var(--shadow-card); position:relative;
}
.verdict-box .stamp-tag{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:0.72rem;
  text-transform:uppercase; letter-spacing:0.08em; color:var(--verified-dark); background:#E7F3EC;
  padding:4px 10px; border-radius:20px; margin-bottom:12px;
}

/* ---------------- Review carousel ---------------- */
.carousel-wrap{ position:relative; }
.carousel{
  display:flex; gap:18px; overflow-x:auto; scroll-snap-type:x mandatory; padding:6px 6px 22px;
  -webkit-overflow-scrolling:touch;
}
.carousel::-webkit-scrollbar{ height:8px; }
.carousel::-webkit-scrollbar-thumb{ background:var(--line); border-radius:8px; }
.review-card{
  scroll-snap-align:start; flex:0 0 320px; background:var(--white); border:1px solid var(--line);
  border-radius:var(--radius); padding:22px; box-shadow:var(--shadow-card);
  display:flex; flex-direction:column; gap:12px;
}
.review-card .stars{ color:var(--amber-dark); font-size:1rem; letter-spacing:2px; }
.review-card .quote{ font-size:0.97rem; flex:1; }
.review-card .meta{
  display:flex; align-items:center; justify-content:space-between; font-family:var(--font-mono);
  font-size:0.74rem; color:var(--slate); border-top:1px dashed var(--line); padding-top:10px;
}
.platform-pill{
  display:inline-flex; align-items:center; gap:5px; padding:3px 9px; border-radius:20px;
  background:var(--paper-alt); font-family:var(--font-mono); font-size:0.72rem; color:var(--navy);
}
.translated-tag{ font-style:italic; color:var(--slate); font-size:0.72rem; }
.carousel-btn{
  position:absolute; top:50%; transform:translateY(-50%); background:var(--white); border:1px solid var(--line);
  width:40px; height:40px; border-radius:50%; cursor:pointer; box-shadow:var(--shadow-card); font-size:1.1rem;
  display:flex; align-items:center; justify-content:center; z-index:5;
}
.carousel-btn.prev{ left:-8px; } .carousel-btn.next{ right:-8px; }
@media (max-width:720px){ .carousel-btn{ display:none; } }

/* ---------------- Quick FAQ accordion ---------------- */
.accordion-item{ border-bottom:1px solid var(--line); }
.accordion-item summary{
  list-style:none; cursor:pointer; padding:18px 4px;
  display:flex; align-items:center; justify-content:space-between;
  font-weight:600; font-size:1.02rem; gap:16px;
}
.accordion-item summary::-webkit-details-marker{ display:none; }
.accordion-item summary .plus{
  font-family:var(--font-mono); font-size:1.3rem; color:var(--verified);
  flex:none; transition:transform .18s ease;
}
.accordion-item[open] summary .plus{ transform:rotate(45deg); }
.accordion-item .body{ padding:0 4px 20px; color:var(--slate); max-width:75ch; }
.faq-cat{ margin-bottom:36px; }
.faq-cat h3{ font-size:1.1rem; color:var(--navy); margin-bottom:6px; }

/* ---------------- Tables ---------------- */
.table-wrap{
  overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius);
  background:var(--white); box-shadow:var(--shadow-card);
}
table.cmp{ width:100%; border-collapse:collapse; font-size:0.94rem; min-width:600px; }
table.cmp th, table.cmp td{ padding:14px 18px; text-align:left; border-bottom:1px solid var(--line); }
table.cmp thead th{
  font-family:var(--font-mono); font-size:0.74rem; text-transform:uppercase; letter-spacing:0.06em;
  color:var(--slate); background:var(--paper-alt); border-bottom:2px solid var(--line);
}
table.cmp tbody tr:last-child td{ border-bottom:none; }
table.cmp td.zoog-col, table.cmp th.zoog-col{ background:#F1F8F4; font-weight:600; }
.check-yes{ color:var(--verified-dark); font-weight:700; }
.check-no{ color:#B0463F; }
.zoog-flag{
  display:inline-block; font-family:var(--font-mono); font-size:0.68rem; text-transform:uppercase;
  background:var(--verified); color:var(--white); padding:2px 8px; border-radius:12px;
  margin-left:8px; letter-spacing:0.05em;
}

/* ---------------- vs cards (hub) ---------------- */
.vs-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px; }
.vs-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius); padding:24px;
  box-shadow:var(--shadow-card); text-decoration:none; color:var(--ink);
  display:flex; flex-direction:column; gap:10px;
  transition:transform .15s ease, box-shadow .15s ease;
}
.vs-card:hover{ transform:translateY(-3px); box-shadow:0 6px 28px rgba(14,30,54,0.14); }
.vs-card .vs-title{ font-family:var(--font-display); font-size:1.2rem; font-weight:600; }
.vs-card .vs-price{ font-family:var(--font-mono); color:var(--slate); font-size:0.86rem; }
.vs-card .vs-arrow{ margin-top:auto; color:var(--verified-dark); font-weight:600; font-size:0.9rem; }

/* why cards on vs pages */
.why-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media (max-width:760px){ .why-grid{ grid-template-columns:1fr; } }
.why-card{ border-radius:var(--radius); padding:24px; border:1px solid var(--line); }
.why-card.zoog{ background:#F1F8F4; border-color:#CFE7D9; }
.why-card.other{ background:var(--white); }
.why-card h3{ font-size:1.05rem; margin-bottom:10px; }

/* platform tabs */
.tabs{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:28px; }
.tab-btn{
  font-family:var(--font-mono); font-size:0.82rem; padding:9px 16px; border-radius:20px;
  border:1px solid var(--line); background:var(--white); cursor:pointer; color:var(--ink);
}
.tab-btn[aria-selected="true"]{ background:var(--navy); border-color:var(--navy); color:var(--white); }
.review-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:18px; }
.review-grid .review-card{ flex:none; }

/* final CTA band */
.cta-band{ background:var(--navy); color:var(--white); text-align:center; padding:64px 24px; border-radius:16px; }
.cta-band h2{ color:var(--white); font-size:clamp(1.5rem,3vw,2.2rem); }
.cta-band p{ color:#C3D2E4; max-width:52ch; margin:0 auto 24px; }

/* breadcrumb */
.breadcrumb{ font-family:var(--font-mono); font-size:0.78rem; color:var(--slate); padding:18px 0 0; }
.breadcrumb a{ color:var(--slate); text-decoration:none; }
.breadcrumb a:hover{ text-decoration:underline; }

/* long-form review sections */
.review-section{ max-width:74ch; margin:0 auto 44px; }
.review-section h2{ font-size:1.4rem; border-bottom:2px solid var(--line); padding-bottom:10px; margin-bottom:14px; }
.review-section p{ color:var(--ink); }
.article-intro{ max-width:74ch; margin:0 auto 40px; font-size:1.08rem; color:var(--slate); }

/* footer */
.site-footer{ background:var(--navy); color:#B9C7DA; padding:56px 0 28px; margin-top:64px; }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:32px; }
.footer-grid .footer-heading{
  color:var(--white); font-family:var(--font-body); font-size:0.82rem;
  text-transform:uppercase; letter-spacing:0.08em; margin-bottom:14px; margin-top:0;
}
.footer-grid a{ color:#B9C7DA; text-decoration:none; display:block; margin-bottom:9px; font-size:0.92rem; }
.footer-grid a:hover{ color:var(--white); }
.footer-about{ font-size:0.9rem; max-width:40ch; color:#9FB3CE; }
.footer-bottom{
  border-top:1px solid var(--line-dark); margin-top:36px; padding-top:22px;
  font-size:0.8rem; color:#7F93AC;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width:920px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .hero .container{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; margin-bottom:12px; }
  .seal{ width:170px; height:170px; }
  .stat-grid{ grid-template-columns:repeat(2,1fr); }
  nav.main-nav{ display:none; }
  .nav-toggle{ display:block; }
  .header-actions .lang-switch{ display:none; }
  .header-actions .btn.btn-primary{ display:none; }
  .why-grid{ grid-template-columns:1fr; }
}

/* ── Open mobile nav ──────────────────────────────────────────── */
.site-header.nav-open nav.main-nav{
  display:flex; position:absolute; top:64px; left:0; right:0; background:var(--navy);
  flex-direction:column; align-items:stretch; padding:12px 24px 20px; gap:2px;
  border-bottom:1px solid var(--line-dark); z-index:100;
}
.site-header.nav-open nav.main-nav > a{
  padding:11px 0; border-bottom:1px solid var(--line-dark); border-bottom-width:1px;
  border-bottom-color:var(--line-dark); border-top:none; border-left:none; border-right:none;
}
.site-header.nav-open nav.main-nav > a:last-of-type{ border-bottom:none; }

/* Mobile: Compare VPNs dropdown expanded as a section */
.site-header.nav-open .nav-dropdown{ position:static; }
.site-header.nav-open .nav-dropdown-btn{
  display:block; width:100%; text-align:left;
  padding:11px 0; color:#9FB3CE;
  font-size:0.75rem; text-transform:uppercase; letter-spacing:0.07em;
  border-bottom:none; cursor:default;
  border-top:1px solid var(--line-dark);
}
.site-header.nav-open .nav-dropdown-menu{
  display:block; position:static; box-shadow:none; border:none;
  background:none; padding:0 0 8px; min-width:auto;
}
.site-header.nav-open .nav-dropdown-menu a{
  padding:9px 12px; font-size:0.88rem;
  color:#B9C7DA;
  border-left:2px solid var(--line-dark);
}
.site-header.nav-open .nav-dropdown-menu a:hover{
  color:var(--white); background:none; border-left-color:var(--amber);
}

/* Mobile nav extras: lang-switch + CTA at bottom of open menu */
.site-header.nav-open .mobile-nav-extras{
  display:flex; flex-direction:column; gap:12px;
  padding-top:14px; margin-top:4px; width:100%;
  border-top:1px solid var(--line-dark);
}
.site-header.nav-open .mobile-nav-extras .lang-switch{ position:static; width:100%; }
.site-header.nav-open .mobile-nav-extras .lang-switch summary{
  justify-content:center; background:var(--navy-2); border-radius:8px;
}
.site-header.nav-open .mobile-nav-extras .lang-menu{
  position:static; box-shadow:none; background:var(--navy-2);
  border:1px solid var(--line-dark); margin-top:4px; border-radius:8px;
}
.site-header.nav-open .mobile-nav-extras .lang-menu a{ color:#D7E1EE; }
.site-header.nav-open .mobile-nav-extras .btn{ width:100%; justify-content:center; display:flex; }

@media (max-width:480px){
  .footer-grid{ grid-template-columns:1fr; }
  .hero-ctas{ display:flex; flex-direction:column; align-items:center; gap:10px; }
  .hero-ctas .btn{ width:100%; max-width:320px; justify-content:center; }
  .cta-band{ text-align:center; }
  .cta-band .btn{ display:block; width:100%; max-width:320px; margin:0 auto; }
  .verdict-box .btn,.verdict-box div[style]{ display:flex; flex-direction:column; align-items:center; }
  .verdict-box div[style] .btn{ width:100%; max-width:320px; }
  .table-wrap{ font-size:0.82rem; }
  h1{ font-size:1.7rem; }
  .section-head h2{ font-size:1.3rem; }
  .trustbar{ font-size:0.70rem; padding:7px 10px; letter-spacing:0.01em; }
}