/* Fkey VPN — keyboard-shortcut aesthetic */
/* Pridi (serif) + Source Sans 3 (sans) */

:root{
  --primary:#14532D;
  --primary-deep:#0B3A1E;
  --accent:#BEF264;
  --accent-soft:#D9F99D;
  --bg:#FAFAF9;
  --bg-alt:#F0FDF4;
  --text:#0F1A14;
  --text-muted:#475569;
  --card-bg:#FFFFFF;
  --border:#E2E8F0;
  --border-dark:#1F3A28;
  --radius:10px;
  --radius-lg:18px;
  --shadow-sm:0 2px 6px rgba(15,26,20,.06);
  --shadow-md:0 10px 28px rgba(15,26,20,.10);
  --shadow-key:0 3px 0 #0B3A1E, 0 6px 14px rgba(15,26,20,.18);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Source Sans 3',sans-serif;
  font-size:17px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{font-family:'Pridi',serif;font-weight:600;color:var(--text);line-height:1.2}
h1{font-size:clamp(2rem,4.6vw,3.5rem);letter-spacing:-.5px}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem);letter-spacing:-.3px}
h3{font-size:1.25rem;font-weight:500}
p{margin:0 0 1em}

.container{max-width:1180px;margin:0 auto;padding:0 22px}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:38px;height:38px}
.brand-name{
  font-family:'Pridi',serif;
  font-size:1.35rem;font-weight:600;color:var(--primary);
}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{
  color:var(--text);font-weight:500;font-size:.98rem;
  transition:color .2s;
}
.nav-links a:hover{color:var(--primary)}
.nav-links a.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);
  color:#000000!important;
  font-weight:800;
  padding:10px 18px;
  border-radius:8px;
  border:2px solid #0B3A1E;
  box-shadow:var(--shadow-key);
  transition:transform .15s, box-shadow .15s;
}
.nav-links a.nav-cta:hover{
  color:#000000!important;
  transform:translateY(2px);
  box-shadow:0 1px 0 #0B3A1E, 0 3px 8px rgba(15,26,20,.18);
}
.burger{
  display:none;width:42px;height:42px;
  background:transparent;border:1px solid var(--border);
  border-radius:8px;cursor:pointer;position:relative;
}
.burger span{
  display:block;position:absolute;left:10px;right:10px;height:2px;
  background:var(--text);border-radius:2px;transition:.25s;
}
.burger span:nth-child(1){top:14px}
.burger span:nth-child(2){top:20px}
.burger span:nth-child(3){top:26px}
.burger.open span:nth-child(1){top:20px;transform:rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){top:20px;transform:rotate(-45deg)}

.mobile-nav{
  display:none;
  background:#fff;
  border-top:1px solid var(--border);
  padding:18px 22px 28px;
}
.mobile-nav.open{display:block}
.mobile-nav ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.mobile-nav a{
  display:block;padding:10px 0;color:var(--text);font-weight:500;
  border-bottom:1px solid var(--border);
}
.mobile-nav a.nav-cta{
  margin-top:8px;background:var(--accent);color:#000;font-weight:800;
  text-align:center;border-radius:8px;border:2px solid #0B3A1E;
  padding:12px 18px;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'Source Sans 3',sans-serif;
  font-weight:700;font-size:1rem;
  padding:14px 26px;
  border-radius:10px;
  border:2px solid transparent;
  cursor:pointer;
  transition:transform .15s, box-shadow .15s, background .2s;
  text-decoration:none;
}
.btn .arrow{
  display:inline-block;transition:transform .2s;
}
.btn:hover .arrow{transform:translateX(4px)}
.btn-primary{
  background:var(--accent);color:#000;
  border-color:var(--primary-deep);
  box-shadow:var(--shadow-key);
}
.btn-primary:hover{
  color:#000;
  background:#A8E04C;
  transform:translateY(2px);
  box-shadow:0 1px 0 #0B3A1E, 0 3px 8px rgba(15,26,20,.18);
}
.btn-ghost{
  background:transparent;color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.08);color:#fff;
  border-color:#fff;
}
.btn-dark{
  background:var(--primary);color:#fff;
  border-color:var(--primary-deep);
  box-shadow:0 3px 0 #062612, 0 6px 12px rgba(15,26,20,.20);
}
.btn-dark:hover{
  color:#fff;background:var(--primary-deep);
  transform:translateY(2px);
  box-shadow:0 1px 0 #062612, 0 3px 6px rgba(15,26,20,.18);
}

/* ---------- HERO (Dark, content left, visual right) ---------- */
.hero{
  background:linear-gradient(135deg,#0B3A1E 0%,#14532D 55%,#1B6B3A 100%);
  color:#fff;
  padding:80px 0 100px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(circle at 18% 22%,rgba(190,242,100,.18),transparent 38%),
    radial-gradient(circle at 82% 78%,rgba(190,242,100,.10),transparent 42%);
  pointer-events:none;
}
.hero .container{
  position:relative;
  display:grid;grid-template-columns:1.1fr .9fr;gap:54px;align-items:center;
}
.hero-text h1{color:#fff;margin-bottom:22px}
.hero-text h1 span.accent{color:var(--accent)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(190,242,100,.14);
  color:var(--accent);
  border:1px solid rgba(190,242,100,.45);
  padding:7px 14px;border-radius:50px;
  font-size:.86rem;font-weight:600;
  letter-spacing:.4px;
  margin-bottom:22px;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(190,242,100,.18);
}
.hero-desc{
  font-size:1.12rem;color:#D7E8DD;max-width:540px;margin-bottom:30px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:28px}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px;
}
.trust-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.16);
  color:#E2F4E9;
  padding:8px 14px;border-radius:50px;font-size:.86rem;font-weight:500;
}
.trust-pill::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* Hero visual: keyboard with F-keys */
.hero-visual{
  position:relative;
  perspective:1200px;
}
.keyboard{
  background:#0a2613;
  border:1px solid rgba(190,242,100,.20);
  border-radius:18px;
  padding:22px;
  box-shadow:0 30px 60px rgba(0,0,0,.45),inset 0 0 0 1px rgba(255,255,255,.04);
  transform:rotateX(8deg) rotateY(-6deg);
}
.keyboard-row{
  display:grid;grid-template-columns:repeat(6,1fr);gap:10px;
  margin-bottom:10px;
}
.keyboard-row:last-child{margin-bottom:0}
.key{
  background:#11341e;
  border:1px solid #1f4a30;
  border-radius:8px;
  height:48px;
  display:flex;align-items:center;justify-content:center;
  color:#9CC9AC;font-family:'Pridi',serif;font-size:.78rem;font-weight:500;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.3);
}
.key.fkey{
  background:#1a4a2c;color:#cfe9d6;
}
.key.active{
  background:linear-gradient(180deg,#BEF264,#A3E635);
  color:#062612;font-weight:700;
  border-color:#86C232;
  box-shadow:0 0 0 2px rgba(190,242,100,.35),inset 0 -2px 0 rgba(0,0,0,.18);
}
.key.wide{grid-column:span 2}
.key.command{font-size:.7rem}
.shortcut-tag{
  position:absolute;top:-12px;right:-8px;
  background:var(--accent);color:#062612;
  font-weight:800;font-size:.78rem;
  padding:6px 12px;border-radius:50px;
  border:2px solid #0B3A1E;
  box-shadow:0 6px 14px rgba(0,0,0,.25);
  transform:rotate(6deg);
}

/* ---------- STATS BAR ---------- */
.stats{background:var(--bg-alt);padding:38px 0;border-bottom:1px solid var(--border)}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;
}
.stat-num{
  font-family:'Pridi',serif;
  font-size:2.2rem;font-weight:600;color:var(--primary);line-height:1;
}
.stat-label{
  font-size:.92rem;color:var(--text-muted);margin-top:6px;
}

/* ---------- SECTIONS ---------- */
section{padding:88px 0}
section.alt{background:var(--bg-alt)}
section.dark{background:var(--primary-deep);color:#E5F2EA}
section.dark h2{color:#fff}
.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head .eyebrow{
  display:inline-block;
  font-size:.78rem;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--primary);font-weight:700;
  background:var(--accent-soft);
  padding:5px 12px;border-radius:50px;margin-bottom:16px;
}
.section-head p{color:var(--text-muted);font-size:1.06rem;margin-top:14px}

/* ---------- HORIZONTAL FEATURES ---------- */
.features-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.feature-row{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--card-bg);
  border:1px solid var(--border);
  border-left:4px solid var(--accent);
  border-radius:var(--radius);
  padding:22px 24px;
  transition:transform .25s, box-shadow .25s;
}
.feature-row:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
  border-left-color:var(--primary);
}
.feature-icon{
  flex:0 0 50px;width:50px;height:50px;
  background:var(--primary);
  color:var(--accent);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Pridi',serif;font-weight:700;font-size:1.15rem;
}
.feature-row h3{margin-bottom:6px;font-family:'Pridi',serif;font-weight:600;color:var(--text)}
.feature-row p{color:var(--text-muted);margin:0;font-size:.97rem;line-height:1.55}

/* ---------- PLATFORMS ---------- */
.platforms-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.platform-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  text-decoration:none;color:var(--text);
  transition:.25s;
  position:relative;
}
.platform-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:var(--primary);
  color:var(--text);
}
.platform-shortcut{
  position:absolute;top:14px;right:14px;
  font-family:'Pridi',serif;font-size:.72rem;font-weight:600;
  background:var(--bg-alt);
  color:var(--primary);
  padding:3px 8px;border-radius:5px;
  border:1px solid var(--border);
}
.platform-icon{
  width:60px;height:60px;
  background:var(--bg-alt);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-family:'Pridi',serif;font-weight:600;color:var(--primary);font-size:1.05rem;
  border:1px solid var(--accent-soft);
}
.platform-card h4{font-family:'Pridi',serif;font-size:1.08rem;font-weight:600;margin:0}
.platform-card p{font-size:.86rem;color:var(--text-muted);margin:0}
.platform-card .arrow-link{
  font-size:.85rem;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
}

/* ---------- WHY FKEY (text block) ---------- */
.why-fkey{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center;
}
.why-fkey .keyboard-mini{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-sm);
}
.why-fkey .keyboard-mini .kbd-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:8px;
}
.why-fkey .keyboard-mini .kbd-row:last-child{margin-bottom:0}
.why-fkey .keyboard-mini .k{
  background:var(--bg-alt);border:1px solid var(--border);border-radius:6px;
  height:42px;display:flex;align-items:center;justify-content:center;
  font-family:'Pridi',serif;font-size:.78rem;color:var(--text-muted);font-weight:600;
}
.why-fkey .keyboard-mini .k.hot{
  background:var(--accent);color:#062612;border-color:#86C232;
}
.why-fkey-text h2{margin-bottom:18px}
.why-fkey-text p{color:var(--text);margin-bottom:14px}
.why-fkey-text ul{list-style:none;margin-top:18px}
.why-fkey-text li{
  padding:10px 0 10px 28px;position:relative;color:var(--text);
  border-bottom:1px dashed var(--border);
}
.why-fkey-text li:last-child{border-bottom:none}
.why-fkey-text li::before{
  content:"";position:absolute;left:0;top:18px;
  width:14px;height:14px;border-radius:3px;
  background:var(--accent);border:1.5px solid var(--primary-deep);
}

/* ---------- USE-CASES ---------- */
.usecases-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.usecase{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  position:relative;overflow:hidden;
  transition:.25s;
}
.usecase:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.usecase .tag{
  display:inline-block;font-family:'Pridi',serif;font-size:.72rem;font-weight:700;
  letter-spacing:1.4px;text-transform:uppercase;color:var(--primary);
  background:var(--bg-alt);padding:4px 10px;border-radius:4px;margin-bottom:14px;
}
.usecase h3{font-family:'Pridi',serif;font-weight:600;margin-bottom:10px}
.usecase p{color:var(--text-muted);margin:0;font-size:.97rem}

/* ---------- PRICING (3 cols) ---------- */
.price-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.price-card{
  background:var(--card-bg);
  border:2px solid var(--border);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  display:flex;flex-direction:column;
  transition:.25s;position:relative;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.price-card.featured{
  border-color:var(--primary);
  background:linear-gradient(180deg,#fff 0%,var(--bg-alt) 100%);
}
.price-card.featured::before{
  content:"Hot key";
  position:absolute;top:-12px;right:24px;
  background:var(--accent);color:#062612;
  font-family:'Pridi',serif;font-weight:700;font-size:.78rem;letter-spacing:1px;
  padding:5px 12px;border-radius:50px;
  border:2px solid var(--primary-deep);
}
.price-name{
  font-family:'Pridi',serif;font-size:1.3rem;font-weight:600;color:var(--primary);
  margin-bottom:6px;
}
.price-tagline{color:var(--text-muted);font-size:.92rem;margin-bottom:20px}
.price-key{
  font-family:'Pridi',serif;font-size:2.1rem;font-weight:600;color:var(--text);
  margin-bottom:22px;
}
.price-key small{font-size:.95rem;color:var(--text-muted);font-weight:400}
.price-features{list-style:none;margin-bottom:26px;flex:1}
.price-features li{
  padding:8px 0 8px 26px;position:relative;color:var(--text);font-size:.95rem;
  border-bottom:1px solid var(--border);
}
.price-features li:last-child{border-bottom:none}
.price-features li::before{
  content:"+";position:absolute;left:0;top:8px;
  width:16px;height:16px;border-radius:4px;
  background:var(--accent);color:#062612;
  font-weight:800;font-size:.78rem;
  display:flex;align-items:center;justify-content:center;
  font-family:'Source Sans 3',sans-serif;
}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--primary-deep);
  color:#fff;
  padding:64px 0;
  text-align:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"F1 F2 F3 F4 F5 F6";
  position:absolute;top:14px;left:0;right:0;text-align:center;
  font-family:'Pridi',serif;font-size:5rem;font-weight:600;
  color:rgba(190,242,100,.06);
  letter-spacing:18px;pointer-events:none;
}
.cta-banner h2{color:#fff;margin-bottom:14px;position:relative}
.cta-banner p{color:#cce4d4;margin-bottom:30px;position:relative;font-size:1.08rem}
.cta-banner .btn{position:relative}

/* ---------- FAQ (2 col, all open) ---------- */
.faq-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
}
.faq-item{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 26px;
  border-top:3px solid var(--accent);
}
.faq-item h3{
  font-family:'Pridi',serif;font-size:1.08rem;font-weight:600;
  margin-bottom:10px;color:var(--text);
  display:flex;align-items:flex-start;gap:10px;
}
.faq-item h3 .qmark{
  flex:0 0 26px;width:26px;height:26px;
  background:var(--primary);color:var(--accent);
  font-family:'Pridi',serif;font-weight:700;font-size:.85rem;
  border-radius:6px;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.faq-item p{color:var(--text-muted);margin:0;font-size:.97rem;line-height:1.6}

/* ---------- FOOTER (4 col dark) ---------- */
.site-footer{
  background:#081e10;color:#cfe1d5;padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;
}
.footer-brand img{width:42px;height:42px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;margin-bottom:10px;display:block;font-size:1.4rem}
.footer-brand p{color:#9cb4a4;font-size:.94rem;line-height:1.55}
.footer-col h4{
  color:#fff;font-family:'Pridi',serif;font-size:1rem;font-weight:600;
  margin-bottom:16px;letter-spacing:.5px;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#9cb4a4;font-size:.92rem;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid #14352350;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:.86rem;color:#7a937f;
}

/* ---------- Anim (fade up) ---------- */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .7s ease, transform .7s ease}
.fade-up.in{opacity:1;transform:translateY(0)}

/* ---------- INSTRUKTSIYA-specific ---------- */
.instr-hero{
  background:linear-gradient(135deg,#0B3A1E,#14532D);
  color:#fff;padding:84px 0 70px;text-align:center;
}
.instr-hero h1{color:#fff;margin-bottom:16px}
.instr-hero p{color:#D7E8DD;font-size:1.1rem;max-width:680px;margin:0 auto}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:8px}
.step{
  background:var(--card-bg);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px;
  position:relative;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:54px;height:54px;border-radius:12px;
  background:var(--primary);color:var(--accent);
  font-family:'Pridi',serif;font-weight:700;font-size:1.5rem;
  margin-bottom:16px;
  border:2px solid var(--primary-deep);
  box-shadow:0 3px 0 #062612;
}
.step h2{font-size:1.5rem;margin-bottom:10px}
.step p{color:var(--text);margin-bottom:14px}
.step .btn{margin-top:6px}
.after-pay{
  background:var(--bg-alt);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:36px;margin-top:48px;
}
.after-pay h2{margin-bottom:14px}
.after-pay p{color:var(--text);margin-bottom:18px}
.after-pay .platforms-grid{margin-top:26px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero{padding:60px 0 70px}
  .hero .container{grid-template-columns:1fr;gap:42px}
  .hero-visual{max-width:480px;margin:0 auto}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .features-list{grid-template-columns:1fr}
  .platforms-grid,.usecases-grid,.price-grid{grid-template-columns:repeat(2,1fr)}
  .why-fkey{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .steps{grid-template-columns:1fr}
}
@media (max-width:620px){
  body{font-size:16px}
  section{padding:64px 0}
  .nav-links{display:none}
  .burger{display:block}
  .platforms-grid,.usecases-grid,.price-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{justify-content:center}
  .keyboard-row{grid-template-columns:repeat(6,1fr);gap:6px}
  .key{height:38px;font-size:.7rem}
}