/* =============================================
   GRIF — Main Styles
   Fonts: Sora (display/headings) · Inter (body/ui) · Playfair Display (quotes)
   ============================================= */

/* === Google Fonts === */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700&family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

/* === Dark Theme (default) === */
:root {
  --hero-glow: rgba(91,141,239,0.25);
  /* Backgrounds */
  --bg-base:     #0b0f1a;
  --bg-surface:  #131929;
  --bg-elevated: #1a2236;
  --bg-overlay:  rgba(0,0,0,0.65);
  --bg-nav:      rgba(11,15,26,.88);

  /* Brand */
  --primary:        #5b8def;
  --primary-hover:  #7aa3f5;
  --primary-active: #4070d4;
  --primary-alpha:  rgba(91,141,239,.10);

  /* Text */
  --text-primary:    #eef2ff;
  --text-secondary:  #8a9bbf;
  --text-muted:      #4a5878;
  --text-on-primary: #ffffff;

  /* Borders */
  --border-subtle:  #162039;
  --border-default: #1e2d4a;
  --border-strong:  #5b8def;

  /* Gold */
  --gold:          #c9a04a;
  --shimmer-start: #5b8def;
  --shimmer-mid:   #c9a04a;
  --shimmer-end:   #5b8def;

  /* Status */
  --success: #22c55e;
  --warning: #f59e0b;
  --error:   #ef4444;
  --info:    #5b8def;

  /* Typography scale */
  --text-xs:   12px;
  --text-sm:   14px;
  --text-base: 16px;
  --text-lg:   18px;
  --text-xl:   20px;
  --text-2xl:  24px;
  --text-3xl:  30px;
  --text-4xl:  36px;
  --text-5xl:  48px;
  --text-6xl:  64px;

  /* Line heights */
  --lh-heading: 1.15;
  --lh-body:    1.65;
  --lh-ui:      1.4;
}

/* === Light Theme === */
[data-theme="light"] {
  --bg-base:     #faf7f2;
  --bg-surface:  #ffffff;
  --bg-elevated: #f0ece4;
  --bg-overlay:  rgba(0,0,0,0.45);
  --bg-nav:      rgba(250,247,242,.88);

  --primary:        #2563eb;
  --primary-hover:  #1d4ed8;
  --primary-active: #1e40af;
  --primary-alpha:  rgba(37,99,235,.08);

  --text-primary:    #0f1623;
  --text-secondary:  #4a5568;
  --text-muted:      #9ca3af;
  --text-on-primary: #ffffff;

  --border-subtle:  #eef1f8;
  --border-default: #dde2ee;
  --border-strong:  #2563eb;

  --gold:          #b8892e;
  --shimmer-start: #2563eb;
  --shimmer-mid:   #b8892e;
  --shimmer-end:   #2563eb;

  --hero-glow: rgba(37,99,235,0.25);

  --success: #16a34a;
  --warning: #d97706;
  --error:   #dc2626;
  --info:    #2563eb;
}

/* === Reset === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  -webkit-font-smoothing:antialiased;
  font-family:'Inter',system-ui,sans-serif;
  font-size:var(--text-base);
  line-height:var(--lh-body);
  background:
    radial-gradient(ellipse 900px 700px at 30% 300px, var(--hero-glow) 0%, transparent 70%),
    var(--bg-base);
  color:var(--text-primary);
  transition:background .4s,color .4s;
}
a{text-decoration:none;color:inherit}

/* === Containers === */
.w{max-width:780px;margin:0 auto;padding:0 40px}
.w-wide{max-width:1200px;margin:0 auto;padding:0 40px}

/* === Reveal animation === */
.rv{opacity:0;transform:translateY(16px);transition:opacity .5s,transform .5s}
.rv.v{opacity:1;transform:translateY(0)}

/* === Nav === */
nav{
  position:sticky;top:0;z-index:50;
  background:transparent;
  backdrop-filter:blur(0px);
  border-bottom:1px solid transparent;
  transition:background .3s,backdrop-filter .3s,border-color .3s;
}
nav.nav-scrolled{
  background:var(--bg-nav);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-default);
}
.ni{max-width:1200px;margin:0 auto;padding:0 40px;height:60px;display:flex;align-items:center}
.lo{color:#ffffff;line-height:1}
[data-theme="light"] .lo{color:var(--text-primary)}
.logo-svg{height:20px;width:auto;display:block}
.logo-svg--lg{height:26px}
.nl{display:flex;gap:28px;margin-left:48px}
.nl a{font-size:var(--text-base);color:var(--text-primary);transition:color .2s}
.nl a:hover{color:var(--primary)}
.nr{margin-left:auto;display:flex;align-items:center;gap:12px}
.nr .bc{font-size:var(--text-base);padding:8px 16px;border-radius:8px}
.tb{
  width:30px;height:30px;border-radius:7px;
  border:1px solid var(--border-default);
  background:var(--bg-surface);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;font-size:13px;
  transition:border-color .2s;
}
.tb:hover{border-color:var(--border-strong)}

/* === Buttons === */
.bc{
  display:inline-block;padding:18px 28px;border-radius:12px;
  font-size:var(--text-lg);font-weight:500;
  background:var(--primary);color:#ffffff;
  transition:background .2s;border:none;cursor:pointer;
  line-height:var(--lh-ui);font-family:inherit;
}
.bc:hover{background:var(--primary-hover)}
.bc:active{background:var(--primary-active)}
.bo{
  display:inline-block;padding:9px 22px;border-radius:9px;
  font-size:var(--text-sm);font-weight:500;
  color:var(--primary);border:1px solid var(--primary);
  background:transparent;cursor:pointer;
  transition:background .2s;line-height:var(--lh-ui);
}
.bo:hover{background:var(--primary-alpha)}

/* === Typography === */
.lb{
  font-family:'Inter',system-ui,sans-serif;
  font-size:var(--text-xs);font-weight:600;
  letter-spacing:3px;color:var(--text-muted);margin-bottom:20px;
  display:block;
}
.lb-pill{
  display:inline-block;
  padding:6px 20px;border-radius:20px;
  border:none;
  background:rgba(255,255,255,0.10);
  font-size:var(--text-sm);color:var(--text-primary);
  letter-spacing:0;text-transform:uppercase;margin-bottom:20px;
}
[data-theme="light"] .lb-pill{background:var(--primary-alpha)}
.h2{
  font-family:'Sora',system-ui,sans-serif;
  font-size:var(--text-3xl);font-weight:600;
  color:var(--text-primary);line-height:var(--lh-heading);margin-bottom:14px;
}
.bd{font-size:var(--text-lg);color:var(--text-secondary);line-height:var(--lh-body)}
.bd strong{font-weight:500}

/* === Gold shimmer divider === */
.gl{
  height:1px;
  background:linear-gradient(90deg,var(--shimmer-start),var(--shimmer-mid),var(--shimmer-end),transparent);
  max-width:200px;margin:0;
}
/* Divider line */
.ln{height:1px;background:var(--border-subtle);margin:20px 0}

/* === Sections === */
.sc{padding:72px 0}

/* === Two-column layout === */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.two-col--valign-start{align-items:start}

/* === Hero === */
.hero-sc{padding:120px 0 80px}
.hero-h1{
  font-family:'Sora',system-ui,sans-serif;
  font-size:var(--text-6xl);font-weight:500;
  color:var(--text-primary);line-height:var(--lh-heading);
  letter-spacing:-2px;margin-bottom:24px;
}
.hero-sub{
  font-size:var(--text-lg);color:var(--text-primary);
  line-height:var(--lh-body);margin-bottom:48px;
}
.hero-btns{display:flex;align-items:center;gap:16px}
.hero-count{
  font-size:var(--text-sm);color:var(--text-muted);
  padding:9px 20px;border-radius:9px;
  background:transparent;
}

/* === Feature cards === */
.fc{
  padding:24px;border-radius:14px;
  border:1px solid var(--border-default);
  background:var(--bg-surface);
}

/* === Sticky left column === */
.tl-left-sticky{
  position:sticky;
  top:80px;
}

/* === Timeline card === */
.timeline-card{
  background:#ffffff;
  border:none;
  border-radius:20px;
  padding:8px;
}
.tl-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px;border-radius:12px;
  opacity:0;transform:translateY(10px);
  transition:opacity .9s ease,transform .9s ease;
}
.tl-item.tl-visible{opacity:1;transform:translateY(0)}
.tl-item:hover{background:#f5f7fa}
.tl-time{
  font-size:var(--text-xs);color:#6b7280;
  flex-shrink:0;padding-top:2px;line-height:var(--lh-ui);
  background:#f0f2f5;border-radius:6px;
  padding:4px 8px;white-space:nowrap;
}
.tl-title{font-size:var(--text-sm);color:#111827;font-weight:700;margin-bottom:4px}
.tl-desc{font-size:13px;color:#4b5563;line-height:1.6;margin-bottom:6px}
.tl-link{font-size:13px;color:var(--primary);transition:color .2s}
.tl-link:hover{color:var(--primary-hover)}

/* === Privacy section === */
.priv-section{overflow:hidden}
.priv-shield{
  position:absolute;
  left:-160px;top:50%;
  transform:translateY(-50%);
  pointer-events:none;
  z-index:0;
  width:310px;
}
.priv-shield svg{width:100%;height:auto}
.priv-content{position:relative;z-index:1}

/* === Privacy grid === */
.priv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;align-items:start}
.priv-grid > div{padding-right:40px}
.priv-grid > div + div{padding-left:40px;padding-right:40px;border-left:1px solid var(--border-subtle)}
.priv-grid > div:last-child{padding-right:0}
.priv-title{font-size:var(--text-base);font-weight:600;color:var(--text-primary);margin-bottom:12px;line-height:var(--lh-ui)}
.priv-desc{font-size:var(--text-base);color:var(--text-secondary);line-height:var(--lh-body)}

/* === Diff cards (Отличие) === */
.diff-card{
  background:#f0ece4;
  border-radius:16px;
  padding:24px 28px;
}
.diff-label{
  display:inline-block;
  padding:6px 12px;border-radius:20px;
  font-size:var(--text-xs);font-weight:600;
  letter-spacing:.5px;text-transform:uppercase;
  margin-bottom:16px;
}
.diff-label--dark{background:var(--text-muted);color:#eef2ff}
.diff-label--gold{background:var(--gold);color:#ffffff}
.diff-text{font-size:var(--text-base);color:#374151;line-height:var(--lh-body)}

/* === Pricing === */
.pg{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.pc{padding:28px 22px;border-radius:14px;border:1px solid var(--border-default);background:var(--bg-surface)}
.pc-featured{border-color:var(--primary);background:var(--primary-alpha)}
.pc-label{
  font-size:var(--text-xs);font-weight:600;letter-spacing:2px;
  color:var(--text-muted);margin-bottom:10px;
}
.pc-price{
  font-family:'Sora',system-ui,sans-serif;
  font-size:32px;font-weight:700;color:var(--text-primary);margin-bottom:4px;
}
.pc-per{font-size:var(--text-sm);font-weight:400;color:var(--text-muted)}
.pc-sub{font-size:var(--text-xs);color:var(--text-muted);margin-bottom:18px}
.pc-list{list-style:none;margin-bottom:22px}
.pc-list li{
  font-size:var(--text-xs);color:var(--text-secondary);
  padding:4px 0 4px 18px;position:relative;
}
.pc-list li::before{
  content:'✓';position:absolute;left:0;
  color:var(--primary);font-size:11px;
}
.pc-btn{
  display:block;padding:10px 0;border-radius:9px;text-align:center;
  font-size:var(--text-sm);font-weight:500;color:var(--text-secondary);
  border:1px solid var(--border-default);background:transparent;
  transition:border-color .2s,color .2s;
}
.pc-btn:hover{border-color:var(--primary);color:var(--primary)}

/* === Form === */
.wf{display:flex;gap:8px}
.wi{
  flex:1;padding:11px 15px;border-radius:10px;
  border:1px solid var(--border-default);
  background:var(--bg-surface);
  font-size:var(--text-sm);color:var(--text-primary);
  font-family:inherit;outline:none;transition:border-color .2s;
}
.wi::placeholder{color:var(--text-muted)}
.wi:focus{border-color:var(--border-strong)}

/* === Modal === */
.mo{
  position:fixed;inset:0;z-index:100;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-overlay);backdrop-filter:blur(8px);
}
.mc{
  background:var(--bg-elevated);
  border:1px solid var(--border-default);
  border-radius:18px;padding:36px;max-width:360px;width:100%;text-align:center;
}
.hd{display:none}

/* === FAQ === */
.faq-layout{display:grid;grid-template-columns:38% 1fr;gap:60px;align-items:start}
.faq-left{}
.faq-right{display:flex;flex-direction:column;gap:8px}

.faq-item{
  background:var(--bg-surface);
  border-radius:14px;
  padding:0;
  border:none;
}
.faq-item summary{
  font-size:var(--text-base);font-weight:500;color:var(--text-primary);
  cursor:pointer;list-style:none;
  display:flex;justify-content:space-between;align-items:center;
  padding:20px 24px;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';
  font-size:20px;font-weight:300;
  color:var(--text-primary);
  flex-shrink:0;line-height:1;
  transition:transform .2s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{
  font-size:var(--text-base);color:var(--text-secondary);
  line-height:var(--lh-body);
  padding:0 24px 20px;
}

/* === Waitlist section === */
.wl-sc{padding-bottom:100px}
.wl-inner{max-width:560px;margin:0 auto;text-align:center}
.wl-sub{font-size:var(--text-base);color:var(--text-secondary);margin-bottom:32px}

/* === Footer === */
footer{border-top:1px solid var(--border-default)}
footer nav{position:static;background:none;backdrop-filter:none;border-bottom:none;transition:none}
.footer-inner{max-width:1200px;margin:0 auto;padding:40px 40px 24px}
.footer-main{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px}
.footer-nav{display:flex;gap:28px;align-items:center}
.footer-nav a{font-size:var(--text-sm);color:var(--text-secondary);transition:color .2s}
.footer-nav a:hover{color:var(--text-primary)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:16px;border-top:1px solid var(--border-subtle);
}
.footer-bottom span,.footer-bottom a{font-size:var(--text-xs);color:var(--text-muted)}
.footer-bottom a:hover{color:var(--text-secondary)}

/* === Hamburger (hidden on desktop) === */
.hb{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:36px;height:36px;padding:6px;
  background:none;border:none;cursor:pointer;flex-shrink:0;
}
.hb span{display:block;height:2px;background:var(--text-primary);border-radius:2px;transition:transform .25s,opacity .25s}
.hb.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hb.open span:nth-child(2){opacity:0}
.hb.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* === Mobile nav menu (hidden on desktop) === */
.nm{display:none;flex-direction:column;border-top:1px solid var(--border-default)}
.nm.hd{display:none!important}
.nm-link{
  font-size:var(--text-base);color:var(--text-primary);
  padding:16px 20px;border-bottom:1px solid var(--border-subtle);
  display:block;transition:color .2s;
}
.nm-link:last-child{border-bottom:none}
.nm-link:hover{color:var(--primary)}

/* === Mobile === */
@media(max-width:768px){
  /* Containers */
  .w-wide,.w{padding:0 16px}
  .footer-inner{padding:32px 16px 20px}

  /* Sections */
  .sc{padding:48px 0}
  .hero-sc{padding:72px 0 48px}
  .wl-sc{padding-bottom:64px}

  /* Nav */
  .nl{display:none}
  .tb{display:none}
  .hb{display:flex}
  .nm:not(.hd){display:flex}
  .nr .bc{font-size:var(--text-sm);padding:7px 14px;border-radius:8px}

  /* Hero */
  .hero-h1{font-size:44px;letter-spacing:-1px}
  .hero-sub{font-size:16px;font-weight:300}
  .hero-btns{flex-direction:column;align-items:stretch;gap:12px}
  .hero-btns .bc{display:block;text-align:center}
  .hero-count{text-align:center}

  /* Two columns → one */
  .two-col{grid-template-columns:1fr;gap:32px}
  .tl-left-sticky{position:static}

  /* Privacy */
  .priv-shield{display:none}
  .priv-grid{grid-template-columns:1fr;gap:0}
  .priv-grid>div{padding-right:0}
  .priv-grid>div+div{padding-left:0;border-left:none;border-top:1px solid var(--border-subtle);padding-top:24px;margin-top:24px}
  .priv-grid>div:last-child{padding-right:0}

  /* Diff cards */
  .diff-card{padding:20px}

  /* Pricing */
  .pg{grid-template-columns:1fr}

  /* FAQ */
  .faq-layout{grid-template-columns:1fr;gap:28px}

  /* Waitlist form */
  .wf{flex-direction:column}
  .wi{max-width:100%!important}

  /* Footer */
  .footer-main{flex-direction:column;gap:24px}
  .footer-nav{flex-wrap:wrap;gap:16px}
  .footer-bottom{flex-direction:column;gap:8px;text-align:center}
}