/* ============================================================
   KERNEL CORE — style.css
   ============================================================ */

:root{
  --bg:        #08080a;
  --bg-2:      #0d0d11;
  --bg-3:      #121216;
  --surface:   #101014;
  --border:    #1e1e24;
  --border-hi: #2a2a32;
  --text:      #e8e8ea;
  --muted:     #8a8a93;
  --red:       #e10600;
  --red-deep:  #7a0300;
  --red-glow:  rgba(225,6,0,.35);
  --font-d:    'Rajdhani', sans-serif;
  --font-b:    'Space Grotesk', sans-serif;
  --nav-h:     72px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-b);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--red);color:#fff}
a{color:inherit;text-decoration:none}
img,svg{display:block}
.container{max-width:1200px;margin:0 auto;padding:0 28px}
.container-narrow{max-width:820px}

/* ---------- background layers ---------- */
.grid-bg{
  position:fixed;inset:0;z-index:-2;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
}
.scanline{
  position:fixed;inset:0;z-index:9998;pointer-events:none;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,.14) 0 1px, transparent 1px 3px);
  opacity:.35;mix-blend-mode:multiply;
}
.cursor-glow{
  position:fixed;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, var(--red-glow) 0%, transparent 68%);
  pointer-events:none;z-index:-1;transform:translate(-50%,-50%);
  opacity:0;transition:opacity .5s ease;filter:blur(12px);
}

/* ---------- nav ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);
  display:flex;align-items:center;
  transition:background .35s ease, border-color .35s ease, height .35s ease;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(8,8,10,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--border);height:62px;
}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 28px;width:100%;display:flex;align-items:center;gap:32px}
.nav-brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:34px;height:34px}
.brand-text{font-family:var(--font-d);font-weight:700;font-size:19px;letter-spacing:.14em}
.brand-text b{color:var(--red);font-weight:700}
.nav-links{display:flex;gap:30px;margin-left:auto}
.nav-links a{
  font-family:var(--font-d);font-weight:600;font-size:14px;letter-spacing:.09em;
  color:var(--muted);text-transform:uppercase;position:relative;padding:4px 0;
  transition:color .25s ease;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--red);transition:width .3s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);transition:.3s}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-d);font-weight:700;font-size:14px;letter-spacing:.12em;
  text-transform:uppercase;padding:13px 28px;border:1px solid var(--border-hi);
  position:relative;overflow:hidden;cursor:pointer;transition:.3s ease;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.btn-primary{
  background:var(--red);border-color:var(--red);color:#fff;
  box-shadow:0 0 0 rgba(225,6,0,0);
}
.btn-primary:hover{background:#ff1108;border-color:#ff1108;box-shadow:0 6px 28px var(--red-glow);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text)}
.btn-ghost:hover{border-color:var(--red);color:var(--red);background:rgba(225,6,0,.06)}
.btn-nav{padding:10px 22px;font-size:13px}
.btn-block{width:100%}
.btn-lg{padding:16px 40px;font-size:15px}

/* ---------- hero ---------- */
.hero{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  position:relative;text-align:center;padding:calc(var(--nav-h) + 40px) 28px 80px;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:900px;border-radius:50%;
  background:radial-gradient(circle, rgba(225,6,0,.10) 0%, transparent 62%);
  pointer-events:none;
}
.hero-particles{position:absolute;inset:0;pointer-events:none;z-index:0}
.particle{
  position:absolute;width:2px;height:2px;background:var(--red);
  border-radius:50%;opacity:0;animation:rise linear infinite;
}
@keyframes rise{
  0%{opacity:0;transform:translateY(0)}
  10%{opacity:.9}
  90%{opacity:.5}
  100%{opacity:0;transform:translateY(-100vh)}
}
.hero-inner{position:relative;z-index:1;max-width:920px}
.hero-emblem{position:relative;width:190px;height:190px;margin:0 auto 34px}
.emblem-spin{width:100%;height:100%;filter:drop-shadow(0 0 30px var(--red-glow))}
.emblem-ring{
  position:absolute;inset:-22px;border:1px solid rgba(225,6,0,.28);border-radius:50%;
  border-top-color:var(--red);animation:spin 9s linear infinite;
}
.emblem-ring.r2{inset:-44px;border-color:rgba(225,6,0,.14);border-top-color:transparent;border-bottom-color:var(--red);animation-duration:15s;animation-direction:reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-d);font-weight:600;font-size:12.5px;letter-spacing:.22em;
  color:var(--muted);border:1px solid var(--border);border-radius:100px;
  padding:8px 20px;margin-bottom:26px;background:rgba(255,255,255,.02);
}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 var(--red);animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(225,6,0,.6)}
  70%{box-shadow:0 0 0 12px rgba(225,6,0,0)}
  100%{box-shadow:0 0 0 0 rgba(225,6,0,0)}
}
.hero-title{font-family:var(--font-d);font-weight:700;font-size:clamp(3.2rem,9vw,7rem);line-height:.95;letter-spacing:.02em;margin-bottom:22px}
.glitch{position:relative;display:inline-block;color:var(--text)}
.glitch::before,.glitch::after{
  content:attr(data-text);position:absolute;top:0;left:0;width:100%;height:100%;
  overflow:hidden;opacity:.75;
}
.glitch::before{color:var(--red);animation:glitch-a 3.6s infinite steps(2,end);clip-path:inset(0 0 62% 0)}
.glitch::after{color:#3a86ff;animation:glitch-b 2.9s infinite steps(2,end);clip-path:inset(58% 0 0 0);mix-blend-mode:screen}
@keyframes glitch-a{
  0%,86%,100%{transform:translate(0);opacity:0}
  88%{transform:translate(-3px,-2px);opacity:.8}
  91%{transform:translate(3px,1px);opacity:.8}
  94%{transform:translate(-2px,2px);opacity:.6}
}
@keyframes glitch-b{
  0%,80%,100%{transform:translate(0);opacity:0}
  83%{transform:translate(3px,1px);opacity:.6}
  86%{transform:translate(-3px,-1px);opacity:.6}
  90%{transform:translate(2px,2px);opacity:.4}
}
.hero-sub{font-size:clamp(1rem,2vw,1.2rem);color:var(--muted);max-width:620px;margin:0 auto 38px}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:20px}
.scroll-hint{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:1px;height:46px;background:var(--border-hi);overflow:hidden}
.scroll-hint span{position:absolute;top:0;left:0;width:100%;height:40%;background:var(--red);animation:drop 1.8s ease-in-out infinite}
@keyframes drop{0%{top:-40%}100%{top:100%}}

/* ---------- sections ---------- */
.section{padding:110px 0;position:relative}
.section-alt{background:var(--bg-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{text-align:center;max-width:680px;margin:0 auto 62px}
.kicker{
  display:inline-block;font-family:var(--font-d);font-weight:600;font-size:12.5px;
  letter-spacing:.28em;color:var(--red);margin-bottom:14px;
}
.section-head h2{
  font-family:var(--font-d);font-weight:700;font-size:clamp(2rem,4.6vw,3.3rem);
  letter-spacing:.03em;line-height:1.1;margin-bottom:16px;
}
.red{color:var(--red)}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ---------- features ---------- */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
/* skeleton corner box */
.feature{
  background:var(--surface);border:1px solid var(--border);padding:32px 26px;
  position:relative;transition:.35s ease;overflow:hidden;
  clip-path:polygon(
    16px 0, calc(100% - 16px) 0, 100% 16px,
    100% calc(100% - 16px), calc(100% - 16px) 100%,
    16px 100%, 0 calc(100% - 16px), 0 16px
  );
}
.feature::before{
  content:'';position:absolute;top:0;left:0;width:0;height:2px;background:var(--red);transition:width .4s ease;
}
/* red L corner accents */
.feature::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(var(--red),var(--red)) 0 0 / 22px 2px no-repeat,
    linear-gradient(var(--red),var(--red)) 0 0 / 2px 22px no-repeat,
    linear-gradient(var(--red),var(--red)) 100% 100% / 22px 2px no-repeat,
    linear-gradient(var(--red),var(--red)) 100% 100% / 2px 22px no-repeat;
  opacity:.4;transition:opacity .35s ease;
}
.feature:hover{border-color:var(--border-hi);transform:translateY(-6px);background:var(--bg-3)}
.feature:hover::before{width:100%}
.feature:hover::after{opacity:1}
.f-icon{font-size:1.7rem;color:var(--red);margin-bottom:18px;line-height:1}
.feature h3{font-family:var(--font-d);font-weight:700;font-size:1.15rem;letter-spacing:.09em;margin-bottom:12px}
.feature p{color:var(--muted);font-size:.93rem}
.f-warn{
  margin-top:16px;padding-top:16px;border-top:1px dashed rgba(225,6,0,.4);
  color:#c9c9ce !important;font-size:.85rem !important;line-height:1.55;
}
.f-warn strong{color:var(--red);font-weight:700;letter-spacing:.04em}

/* ---------- why ---------- */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:26px}
.why-card{
  background:var(--surface);border:1px solid var(--border);padding:36px 32px;position:relative;transition:.35s ease;
}
.why-card:hover{border-color:var(--red);background:var(--bg-3)}
.why-num{
  font-family:var(--font-d);font-weight:700;font-size:2.6rem;color:transparent;
  -webkit-text-stroke:1.4px var(--red);opacity:.55;display:block;margin-bottom:14px;line-height:1;
}
.why-card h3{font-family:var(--font-d);font-weight:700;font-size:1.25rem;letter-spacing:.08em;margin-bottom:12px}
.why-card p{color:var(--muted);font-size:.95rem}
.why-banner{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;
  border:1px solid var(--border);background:var(--surface);overflow:hidden;
}
.wb-left{padding:38px 34px;border-right:1px solid var(--border);display:flex;flex-direction:column;justify-content:center}
.wb-left h3{font-family:var(--font-d);font-weight:700;font-size:1.4rem;letter-spacing:.06em;margin-bottom:10px}
.wb-left p{color:var(--muted);font-size:.95rem}
.wb-right{padding:28px 30px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi{border-left:2px solid var(--red);padding-left:16px}
.testi .stars{color:var(--red);font-size:.85rem;letter-spacing:.15em;margin-bottom:10px}
.testi p{font-size:.88rem;color:var(--text);margin-bottom:10px;line-height:1.55}
.testi span{font-size:.8rem;color:var(--muted);font-weight:500}

/* ---------- guarantee ---------- */
.guarantee-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}
.guarantee-card{
  background:var(--surface);border:1px solid var(--border);padding:38px 30px;text-align:center;transition:.35s ease;position:relative;
}
.guarantee-card::after{
  content:'';position:absolute;inset:0;border:1px solid transparent;transition:.35s ease;pointer-events:none;
}
.guarantee-card:hover{transform:translateY(-6px)}
.guarantee-card:hover::after{border-color:var(--red);box-shadow:inset 0 0 40px rgba(225,6,0,.07)}
.g-badge{
  width:64px;height:64px;margin:0 auto 20px;display:grid;place-items:center;
  font-size:1.9rem;color:var(--red);
  border:1px solid var(--red);transform:rotate(45deg);
  background:rgba(225,6,0,.05);
}
.guarantee-card:hover .g-badge{background:rgba(225,6,0,.14);box-shadow:0 0 24px var(--red-glow)}
.guarantee-card h3{font-family:var(--font-d);font-weight:700;font-size:1.3rem;letter-spacing:.07em;margin-bottom:14px}
.guarantee-card p{color:var(--muted);font-size:.95rem}
.g-note{
  margin-top:16px;padding:14px 16px;font-size:.83rem !important;line-height:1.55;
  border:1px dashed rgba(225,6,0,.45);background:rgba(225,6,0,.05);color:#c9c9ce !important;
}
.g-note strong{color:var(--red);font-weight:700}
.guarantee-note{
  display:flex;gap:18px;align-items:flex-start;
  border:1px solid var(--border);border-left:3px solid var(--red);
  background:var(--surface);padding:26px 28px;
}
.gn-icon{font-size:1.6rem;color:var(--red);line-height:1}
.guarantee-note p{color:var(--muted);font-size:.95rem}
.guarantee-note strong{color:var(--text);font-weight:600}

/* ---------- pricing ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;margin-bottom:26px}
.price-card{
  background:var(--surface);border:1px solid var(--border);padding:38px 32px;position:relative;transition:.35s ease;
}
.price-card:hover{transform:translateY(-8px);border-color:var(--border-hi)}
.price-popular{border-color:var(--red);background:linear-gradient(180deg, rgba(225,6,0,.06) 0%, var(--surface) 40%)}
.price-popular::before{
  content:'';position:absolute;top:-1px;left:-1px;right:-1px;height:2px;background:var(--red);
  box-shadow:0 0 20px var(--red-glow);
}
.p-ribbon{
  position:absolute;top:-1px;right:20px;transform:translateY(-50%);
  background:var(--red);color:#fff;font-family:var(--font-d);font-weight:700;
  font-size:11px;letter-spacing:.16em;padding:6px 14px;
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%);
}
.p-head{margin-bottom:22px}
.p-head h3{font-family:var(--font-d);font-weight:700;font-size:1.5rem;letter-spacing:.08em;margin-bottom:6px}
.p-sub{color:var(--muted);font-size:.88rem}
.p-price{display:flex;align-items:flex-start;gap:4px;padding-bottom:26px;margin-bottom:26px;border-bottom:1px solid var(--border)}
.p-price .cur{font-family:var(--font-d);font-weight:700;font-size:1.5rem;color:var(--red);margin-top:8px}
.p-price .amount{font-family:var(--font-d);font-weight:700;font-size:4rem;line-height:1;color:var(--text)}
.p-list{list-style:none;margin-bottom:30px;display:grid;gap:12px}
.p-list li{position:relative;padding-left:26px;color:var(--muted);font-size:.93rem}
.p-list li::before{content:'✓';position:absolute;left:0;color:var(--red);font-weight:700}
.p-fine{color:var(--muted);font-size:.78rem;margin-top:-16px;margin-bottom:20px;text-align:center}
.pricing-note{text-align:center;color:var(--muted);font-size:.9rem}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:var(--surface);border:1px solid var(--border);transition:.3s ease;
}
.faq details[open]{border-color:var(--border-hi)}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-family:var(--font-d);font-weight:600;font-size:1.05rem;letter-spacing:.04em;
  display:flex;justify-content:space-between;align-items:center;gap:16px;transition:.25s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--red);font-size:1.5rem;font-weight:400;transition:.3s ease;flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{color:var(--red)}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:.95rem}

/* ---------- cta ---------- */
.section-cta{padding:100px 0}
.cta-box{
  text-align:center;border:1px solid var(--border);background:
    radial-gradient(ellipse at 50% 0%, rgba(225,6,0,.09) 0%, transparent 60%),
    var(--surface);
  padding:70px 32px;position:relative;overflow:hidden;
}
.cta-emblem{width:80px;height:80px;margin:0 auto 24px;filter:drop-shadow(0 0 20px var(--red-glow))}
.cta-box h2{font-family:var(--font-d);font-weight:700;font-size:clamp(2rem,5vw,3.2rem);letter-spacing:.04em;margin-bottom:14px}
.cta-box p{color:var(--muted);margin-bottom:32px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);background:var(--bg-2);padding:44px 0}
.footer-inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap;justify-content:space-between}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-mark{width:30px;height:30px}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-size:.88rem;transition:color .25s ease}
.footer-links a:hover{color:var(--red)}
.footer-copy{color:var(--muted);font-size:.84rem;width:100%;text-align:center;padding-top:22px;border-top:1px solid var(--border);margin-top:8px}

/* partner badge */
.partner-badge{
  display:block;width:260px;margin:26px auto 4px;
  transition:transform .3s ease, filter .3s ease;
  filter:drop-shadow(0 0 0 rgba(95,227,155,0));
}
.partner-badge img{width:100%;height:auto;display:block}
.partner-badge:hover{transform:translateY(-3px) scale(1.03);filter:drop-shadow(0 6px 22px rgba(95,227,155,.45))}
.partner-badge:active{transform:translateY(-1px) scale(1.0)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .wb-right{grid-template-columns:1fr;gap:22px}
  .why-banner{grid-template-columns:1fr}
  .wb-left{border-right:0;border-bottom:1px solid var(--border)}
  .pricing-grid{grid-template-columns:1fr;max-width:460px;margin-left:auto;margin-right:auto}
  .guarantee-grid{grid-template-columns:1fr;max-width:520px;margin-left:auto;margin-right:auto}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:rgba(10,10,13,.98);backdrop-filter:blur(18px);
    flex-direction:column;justify-content:center;align-items:center;gap:26px;
    transform:translateX(100%);transition:transform .4s cubic-bezier(.7,0,.2,1);
    border-left:1px solid var(--border);margin-left:0;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:18px}
  .nav-toggle{display:flex;margin-left:auto;order:3}
  .nav-inner .btn-nav{display:none}
  .nav-links.open ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.active span:nth-child(2){opacity:0}
  .nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .section{padding:80px 0}
  .why-grid{grid-template-columns:1fr}
  .hero-emblem{width:150px;height:150px}
}
@media (max-width:520px){
  .features-grid{grid-template-columns:1fr}
  .container{padding:0 20px}
  .p-price .amount{font-size:3.2rem}
  .footer-inner{flex-direction:column;text-align:center}
}