/* ======================================
   Щука ВПН — shukavpn.mom
   Aquatic predator theme, ocean palette
   Manrope + Karla | Glassmorphism
   ====================================== */

/* ---------- Custom Properties ---------- */
:root {
  --primary: #0077B6;
  --accent: #00B4D8;
  --bg: #F8FCFF;
  --bg-alt: #E8F4F8;
  --card-bg: rgba(255,255,255,0.7);
  --glass-bg: rgba(255,255,255,0.25);
  --text: #0A1628;
  --text-muted: #4A6178;
  --border: rgba(0,119,182,0.15);
  --radius: 14px;
  --gradient-hero: linear-gradient(135deg, #004E7C 0%, #0077B6 40%, #00B4D8 100%);
  --gradient-card: linear-gradient(135deg, #0077B6, #00B4D8);
  --shadow-sm: 0 2px 8px rgba(0,119,182,0.08);
  --shadow-md: 0 8px 32px rgba(0,119,182,0.12);
  --shadow-lg: 0 16px 48px rgba(0,119,182,0.16);
  --transition: .3s ease;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Karla',sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
h1,h2,h3,h4,h5,h6{
  font-family:'Manrope',sans-serif;
  font-weight:800;
  line-height:1.2;
  color:var(--text);
}
p{margin-bottom:1rem}

/* ---------- Container ---------- */
.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header / Nav ---------- */
.header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  padding:18px 0;
  transition:background var(--transition),box-shadow var(--transition),padding var(--transition);
}
.header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.header .logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:1.35rem;
  color:#fff;
  transition:color var(--transition);
}
.header .logo img{
  height:36px;
  width:auto;
}
.header.scrolled{
  background:#fff;
  box-shadow:var(--shadow-sm);
  padding:10px 0;
}
.header.scrolled .logo{color:var(--text)}
.header.scrolled .nav-link{color:var(--text)}
.header.scrolled .nav-link:hover{color:var(--primary)}

.nav-list{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-link{
  font-family:'Manrope',sans-serif;
  font-weight:600;
  font-size:.95rem;
  color:rgba(255,255,255,0.9);
  transition:color var(--transition);
}
.nav-link:hover{color:#fff}
.header.scrolled .nav-link{color:var(--text-muted)}
.header.scrolled .nav-link:hover{color:var(--primary)}

.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:#000;
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:.95rem;
  padding:10px 22px;
  border-radius:50px;
  border:none;
  cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition);
}
.nav-cta:hover{
  transform:translateY(-2px);
  box-shadow:0 4px 16px rgba(0,180,216,0.35);
}
.nav-cta .arrow{font-size:1.1rem}

/* Burger */
.burger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:4px;
  z-index:1100;
}
.burger span{
  display:block;
  width:26px;
  height:3px;
  background:#fff;
  border-radius:2px;
  transition:var(--transition);
}
.header.scrolled .burger span{background:var(--text)}
.burger.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}

/* Mobile nav */
.mobile-nav{
  position:fixed;
  inset:0;
  background:rgba(0,78,124,0.97);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:28px;
  z-index:1050;
  opacity:0;
  pointer-events:none;
  transition:opacity .35s ease;
}
.mobile-nav.open{opacity:1;pointer-events:all}
.mobile-nav .nav-link{
  color:#fff;
  font-size:1.4rem;
  font-family:'Manrope',sans-serif;
  font-weight:700;
}
.mobile-nav .nav-cta{
  font-size:1.1rem;
  padding:14px 32px;
}

/* ---------- Hero ---------- */
.hero{
  background:var(--gradient-hero);
  min-height:100vh;
  display:flex;
  align-items:center;
  padding:140px 0 100px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  width:600px;height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,180,216,0.2) 0%,transparent 70%);
  top:-100px;right:-150px;
  pointer-events:none;
}
.hero-content{
  max-width:720px;
  color:#fff;
}
.hero-badge{
  display:inline-block;
  background:rgba(255,255,255,0.15);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,0.25);
  border-radius:50px;
  padding:8px 20px;
  font-size:.85rem;
  font-weight:600;
  font-family:'Manrope',sans-serif;
  margin-bottom:24px;
  color:#fff;
}
.hero h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  color:#fff;
  margin-bottom:20px;
  letter-spacing:-.02em;
}
.hero-desc{
  font-size:1.15rem;
  line-height:1.8;
  color:rgba(255,255,255,0.88);
  margin-bottom:32px;
  max-width:600px;
}
.hero-buttons{
  display:flex;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  color:var(--primary);
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:1.05rem;
  padding:15px 32px;
  border-radius:50px;
  border:none;
  cursor:pointer;
  transition:transform var(--transition),box-shadow var(--transition);
}
.btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(0,0,0,0.15);
}
.btn-secondary{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  color:#fff;
  border:2px solid rgba(255,255,255,0.5);
  font-family:'Manrope',sans-serif;
  font-weight:700;
  font-size:1.05rem;
  padding:13px 30px;
  border-radius:50px;
  cursor:pointer;
  transition:background var(--transition),border-color var(--transition);
}
.btn-secondary:hover{
  background:rgba(255,255,255,0.12);
  border-color:#fff;
}
.trust-badges{
  display:flex;
  flex-wrap:wrap;
  gap:24px;
}
.trust-badge{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.9rem;
  color:rgba(255,255,255,0.8);
  font-weight:500;
}
.trust-badge .icon{font-size:1.3rem}

/* ---------- Wavy Divider ---------- */
.wave-divider{
  position:relative;
  margin-top:-2px;
  line-height:0;
}
.wave-divider svg{
  display:block;
  width:100%;
  height:auto;
}
.wave-divider-flip{
  transform:scaleY(-1);
  margin-bottom:-2px;
}

/* ---------- Stats Bar ---------- */
.stats-bar{
  background:var(--bg);
  padding:48px 0;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  text-align:center;
}
.stat-item .stat-value{
  font-family:'Manrope',sans-serif;
  font-size:2rem;
  font-weight:800;
  color:var(--primary);
  display:block;
}
.stat-item .stat-label{
  font-size:.9rem;
  color:var(--text-muted);
  margin-top:4px;
}

/* ---------- Section Shared ---------- */
.section{padding:80px 0}
.section-alt{background:var(--bg-alt)}
.section-title{
  text-align:center;
  font-size:clamp(1.6rem,3.5vw,2.4rem);
  margin-bottom:16px;
}
.section-subtitle{
  text-align:center;
  color:var(--text-muted);
  font-size:1.05rem;
  max-width:600px;
  margin:0 auto 48px;
}

/* ---------- Features ---------- */
.features-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:24px;
}
.feature-card{
  background:var(--glass-bg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 24px;
  text-align:center;
  transition:transform var(--transition),box-shadow var(--transition);
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
}
.feature-icon{
  font-size:2.6rem;
  margin-bottom:16px;
  display:block;
}
.feature-card h3{
  font-size:1.15rem;
  margin-bottom:10px;
}
.feature-card p{
  font-size:.92rem;
  color:var(--text-muted);
  line-height:1.6;
}

/* ---------- Download ---------- */
.download-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:20px;
}
.platform-card{
  background:var(--card-bg);
  backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 20px;
  text-align:center;
  transition:transform var(--transition),box-shadow var(--transition);
  cursor:pointer;
  display:block;
}
.platform-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.platform-card .platform-icon{
  font-size:2.4rem;
  margin-bottom:12px;
  display:block;
}
.platform-card h3{
  font-size:1rem;
  margin-bottom:6px;
}
.platform-card p{
  font-size:.82rem;
  color:var(--text-muted);
}

/* ---------- Trial / Gradient Card ---------- */
.trial-section{padding:60px 0}
.trial-card{
  background:var(--gradient-card);
  border-radius:20px;
  padding:56px 48px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.trial-card h2{
  color:#fff;
  font-size:clamp(1.5rem,3vw,2.2rem);
  margin-bottom:12px;
}
.trial-card p{
  color:rgba(255,255,255,0.88);
  font-size:1.05rem;
  max-width:520px;
}
.trial-card .btn-white{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  color:var(--primary);
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:1.05rem;
  padding:16px 36px;
  border-radius:50px;
  border:none;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--transition),box-shadow var(--transition);
}
.trial-card .btn-white:hover{
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(0,0,0,0.2);
}

/* ---------- FAQ Two-Column ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.faq-card{
  background:var(--card-bg);
  backdrop-filter:blur(12px);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px 24px;
}
.faq-card h3{
  font-size:1.05rem;
  color:var(--primary);
  margin-bottom:10px;
  line-height:1.4;
}
.faq-card p{
  font-size:.93rem;
  color:var(--text-muted);
  line-height:1.65;
  margin-bottom:0;
}

/* ---------- CTA Banner ---------- */
.cta-banner{
  background:var(--gradient-hero);
  padding:72px 0;
  text-align:center;
}
.cta-banner h2{
  color:#fff;
  font-size:clamp(1.5rem,3.5vw,2.3rem);
  margin-bottom:16px;
}
.cta-banner p{
  color:rgba(255,255,255,0.85);
  font-size:1.05rem;
  max-width:520px;
  margin:0 auto 28px;
}
.cta-banner .btn-primary{
  font-size:1.1rem;
  padding:16px 38px;
}

/* ---------- Footer ---------- */
.footer{
  background:#071420;
  color:rgba(255,255,255,0.75);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:1.2rem;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .logo img{height:32px;width:auto}
.footer-brand p{
  font-size:.9rem;
  line-height:1.7;
  max-width:300px;
}
.footer h4{
  color:#fff;
  font-size:1rem;
  margin-bottom:16px;
}
.footer-links a{
  display:block;
  color:rgba(255,255,255,0.65);
  font-size:.9rem;
  padding:4px 0;
  transition:color var(--transition);
}
.footer-links a:hover{color:var(--accent)}

.footer-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:28px 0;
  gap:20px;
  flex-wrap:wrap;
}
.footer-cta p{
  font-size:.9rem;
  color:rgba(255,255,255,0.6);
  margin:0;
}
.footer-cta .btn-footer{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--accent);
  color:#000;
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:.9rem;
  padding:10px 24px;
  border-radius:50px;
  border:none;
  cursor:pointer;
  transition:transform var(--transition);
}
.footer-cta .btn-footer:hover{transform:translateY(-2px)}

/* ---------- Instruktsiya Page ---------- */
.instr-hero{
  background:var(--bg-alt);
  padding:140px 0 60px;
  text-align:center;
}
.instr-hero h1{
  font-size:clamp(1.8rem,4vw,2.8rem);
  margin-bottom:16px;
}
.instr-hero p{
  color:var(--text-muted);
  font-size:1.1rem;
  max-width:580px;
  margin:0 auto;
}
.step-section{padding:60px 0}
.step-block{
  display:flex;
  gap:40px;
  align-items:flex-start;
  margin-bottom:48px;
}
.step-number{
  flex-shrink:0;
  width:64px;height:64px;
  background:var(--gradient-card);
  color:#fff;
  font-family:'Manrope',sans-serif;
  font-weight:800;
  font-size:1.6rem;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step-content h2{
  font-size:1.4rem;
  margin-bottom:12px;
}
.step-content p{
  color:var(--text-muted);
  line-height:1.75;
}
.step-content .btn-primary{
  margin-top:16px;
  background:var(--primary);
  color:#fff;
}
.step-content .btn-primary:hover{
  background:#005f94;
}

.after-payment{
  background:var(--bg-alt);
  padding:60px 0;
}
.after-payment h2{
  text-align:center;
  font-size:1.6rem;
  margin-bottom:16px;
}
.after-payment > .container > p{
  text-align:center;
  color:var(--text-muted);
  max-width:560px;
  margin:0 auto 40px;
}
.after-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(170px,1fr));
  gap:20px;
}
.after-card{
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 20px;
  text-align:center;
}
.after-card .platform-icon{font-size:2rem;margin-bottom:10px;display:block}
.after-card h3{font-size:.95rem;margin-bottom:4px}
.after-card p{font-size:.82rem;color:var(--text-muted);margin-bottom:0}

/* ---------- Slide Animations ---------- */
.slide-left,.slide-right{
  opacity:0;
  transition:opacity .7s ease,transform .7s ease;
}
.slide-left{transform:translateX(-60px)}
.slide-right{transform:translateX(60px)}
.slide-left.visible,.slide-right.visible{
  opacity:1;
  transform:translateX(0);
}

/* ---------- Responsive ---------- */
@media(max-width:992px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .trial-card{flex-direction:column;text-align:center;padding:40px 28px}
  .trial-card p{margin:0 auto}
  .step-block{flex-direction:column;gap:20px}
}
@media(max-width:768px){
  .nav-list{display:none}
  .burger{display:flex}
  .hero{padding:120px 0 80px;min-height:auto}
  .hero h1{font-size:2rem}
  .hero-buttons{flex-direction:column;gap:12px}
  .hero-buttons .btn-primary,
  .hero-buttons .btn-secondary{width:100%;justify-content:center}
  .features-grid{grid-template-columns:1fr 1fr}
  .download-grid{grid-template-columns:1fr 1fr}
  .trust-badges{gap:16px}
  .section{padding:56px 0}
  .footer-cta{flex-direction:column;text-align:center}
}
@media(max-width:480px){
  .features-grid{grid-template-columns:1fr}
  .download-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
  .hero-desc{font-size:1rem}
}