:root{
  --bg:#0a0a0e;
  --surface:#14141b;
  --surface2:#1a1a23;
  --border:rgba(255,255,255,.09);
  --text:#f4f4f6;
  --muted:#a3a3ae;
  --red:#e11d2e;
  --red-dark:#b01324;
  --red-soft:rgba(225,29,46,.16);
  --gold:#f59e0b;
  --gold-light:#fcd34d;
  --green:#22c55e;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,10,14,.85);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px}
.brand-logo{height:40px;width:auto}
.brand-name{font-weight:900;font-size:1.15rem;letter-spacing:.04em}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{color:var(--muted);font-weight:500;font-size:.95rem;transition:color .2s}
.nav a:hover{color:var(--text)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;padding:14px 28px;border-radius:12px;
  font-weight:700;font-size:1rem;text-align:center;cursor:pointer;border:none;
  transition:transform .15s,box-shadow .2s,background .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  background:linear-gradient(135deg,#f43f4e,var(--red) 55%,var(--red-dark));
  color:#fff;box-shadow:0 8px 24px rgba(225,29,46,.35);
}
.btn-primary:hover{box-shadow:0 12px 32px rgba(225,29,46,.5)}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold) 55%,#b45309);
  color:#1c1208;box-shadow:0 8px 24px rgba(245,158,11,.35);
}
.btn-gold:hover{box-shadow:0 12px 32px rgba(245,158,11,.5)}
.btn-ghost{
  background:transparent;color:var(--text);
  border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--red);color:#fff}
.btn-whatsapp{background:#25D366;color:#062b16}
.btn-whatsapp:hover{background:#2be374}
.btn-sm{padding:9px 18px;font-size:.9rem;border-radius:10px}
.btn-block{display:block;width:100%;margin-top:28px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:90px 0 70px}
.hero-glow{
  position:absolute;top:-30%;left:50%;transform:translateX(-50%);
  width:900px;height:600px;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(225,29,46,.18) 0%,transparent 65%);
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;
  gap:48px;align-items:center;
}
.hero-badge{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:var(--red-soft);border:1px solid rgba(225,29,46,.4);
  color:#ffb3ba;font-size:.8rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
}
.hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);font-weight:900;line-height:1.12;margin:20px 0 16px;letter-spacing:-.02em}
.text-red{color:var(--red)}
.hero-sub{color:var(--muted);font-size:1.1rem;max-width:520px}
.hero-cta{display:flex;gap:14px;margin:28px 0 22px;flex-wrap:wrap}
.hero-points{list-style:none;display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.9rem;font-weight:600}
.hero-points li::before{content:""}
.hero-visual{display:flex;justify-content:center}
.hero-logo{max-height:420px;filter:drop-shadow(0 20px 60px rgba(225,29,46,.35))}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-title{text-align:center;font-size:clamp(1.7rem,3vw,2.4rem);font-weight:900;letter-spacing:-.02em}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:12px auto 48px}

/* ---------- pricing ---------- */
.pricing-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:stretch;
}
@media (max-width:1180px){
  .pricing-grid{grid-template-columns:repeat(2,1fr);max-width:820px;margin:0 auto}
}
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:32px 28px;overflow:hidden;
  transition:transform .2s,border-color .2s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2)}
.card-title{font-size:1.35rem;font-weight:800}
.card-tag{color:var(--muted);font-size:.9rem;margin-top:4px;min-height:2.6em}
.price{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px;margin-top:18px}
.price-num{font-size:2.6rem;font-weight:900;line-height:1}
.price-cur{font-size:1.1rem;font-weight:700;color:var(--muted)}
.price-per{color:var(--muted);font-size:.9rem;flex-basis:100%}
.features{list-style:none;margin-top:24px;flex:1;display:flex;flex-direction:column;gap:10px}
.features li{
  position:relative;padding-left:26px;font-size:.92rem;color:var(--muted);
}
.features li::before{
  content:"✓";position:absolute;left:0;top:0;
  color:var(--green);font-weight:800;
}

/* popular card */
.card-popular{
  border:1px solid rgba(225,29,46,.55);
  background:linear-gradient(180deg,#1c1015 0%,var(--surface) 60%);
  box-shadow:0 0 60px rgba(225,29,46,.18);
}
.card-popular .price-num{color:#ff5b6a}
.popular-glow{
  position:absolute;top:-40%;left:50%;transform:translateX(-50%);
  width:120%;height:80%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(225,29,46,.22) 0%,transparent 70%);
}

/* elite card */
.card-elite{
  border:1px solid rgba(245,158,11,.45);
  background:linear-gradient(180deg,#1d1810 0%,var(--surface) 60%);
  box-shadow:0 0 60px rgba(245,158,11,.14);
}
.elite-glow{
  position:absolute;top:-40%;left:50%;transform:translateX(-50%);
  width:120%;height:80%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(251,191,36,.16) 0%,transparent 70%);
}
.elite-title{color:var(--gold-light)}
.elite-num{color:var(--gold-light)}
.elite-includes{
  margin:16px 0 4px;padding:8px 12px;border-radius:8px;
  background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.3);
  color:#fde68a;font-weight:600;font-size:.82rem;
}
.features-elite li{color:rgba(250,250,250,.8);border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:8px}
.features-elite li::before{color:var(--gold)}
.feature-hl{
  margin-top:4px;padding:10px 12px 10px 30px !important;border-radius:8px;
  background:linear-gradient(90deg,rgba(251,191,36,.18),rgba(232,149,46,.12));
  border:1px solid rgba(251,191,36,.35) !important;
  color:#fef3c7 !important;font-weight:700;font-size:.84rem;
}


/* supreme card */
.card-supreme{
  border:1px solid rgba(228,228,231,.4);
  background:linear-gradient(180deg,#191921 0%,var(--surface) 60%);
  box-shadow:0 0 60px rgba(228,228,231,.10);
}
.supreme-glow{
  position:absolute;top:-40%;left:50%;transform:translateX(-50%);
  width:120%;height:80%;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(228,228,231,.14) 0%,transparent 70%);
}
.supreme-title{color:#f4f4f5}
.supreme-num{color:#f4f4f5}
.supreme-includes{
  margin:16px 0 4px;padding:8px 12px;border-radius:8px;
  background:rgba(228,228,231,.10);border:1px solid rgba(228,228,231,.28);
  color:#e4e4e7;font-weight:600;font-size:.82rem;
}
.features-supreme li{color:rgba(250,250,250,.8);border-bottom:1px solid rgba(255,255,255,.05);padding-bottom:8px}
.features-supreme li::before{color:#d4d4d8}
.feature-hl-supreme{
  background:linear-gradient(90deg,rgba(228,228,231,.16),rgba(161,161,170,.10)) !important;
  border:1px solid rgba(228,228,231,.35) !important;
  color:#fafafa !important;
}
.ribbon-silver{
  background:linear-gradient(135deg,#fafafa,#d4d4d8 45%,#a1a1aa);
  color:#18181b;transform:rotate(12deg);box-shadow:0 4px 14px rgba(228,228,231,.35);
}
.btn-silver{
  background:linear-gradient(135deg,#fafafa,#d4d4d8 55%,#a1a1aa);
  color:#18181b;box-shadow:0 8px 24px rgba(228,228,231,.25);
}
.btn-silver:hover{box-shadow:0 12px 32px rgba(228,228,231,.4)}

/* ribbons */
.ribbon{
  position:absolute;top:20px;right:-1px;z-index:3;
  padding:6px 16px;font-size:.72rem;font-weight:800;
  text-transform:uppercase;letter-spacing:.06em;
}
.ribbon-red{
  background:linear-gradient(135deg,#fb7185,var(--red) 45%,var(--red-dark));
  color:#fff;transform:rotate(12deg);box-shadow:0 4px 14px rgba(225,29,46,.45);
}
.ribbon-gold{
  background:linear-gradient(135deg,var(--gold-light),var(--gold) 40%,#b45309);
  color:#1c1208;transform:rotate(12deg);box-shadow:0 4px 14px rgba(245,158,11,.45);
}

.ribbon + .card-title{margin-top:26px}

/* shine sweep animation */
.shine{
  position:absolute;inset:0;pointer-events:none;z-index:1;
  background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.05) 45%,rgba(255,255,255,.10) 50%,rgba(255,255,255,.05) 55%,transparent 60%);
  background-size:200% 100%;
  animation:shimmer 5s ease-in-out infinite;
}
@keyframes shimmer{
  0%,100%{background-position:200% 0}
  50%{background-position:-200% 0}
}
.card > *:not(.shine):not(.popular-glow):not(.elite-glow):not(.supreme-glow):not(.ribbon){position:relative;z-index:2}
.shine,.popular-glow,.elite-glow,.supreme-glow{z-index:0}
.ribbon{z-index:3;position:absolute}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{
  background:var(--surface2);border:1px solid var(--border);
  border-radius:16px;padding:32px 26px;text-align:center;
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:linear-gradient(135deg,#f43f4e,var(--red-dark));
  font-weight:900;font-size:1.25rem;margin-bottom:18px;
  box-shadow:0 8px 20px rgba(225,29,46,.35);
}
.step h3{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.step p{color:var(--muted);font-size:.92rem}

/* ---------- trial ---------- */
.trial-box{
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:48px 32px;text-align:center;
}
.trial-box h2{font-size:1.6rem;font-weight:900}
.trial-box p{color:var(--muted);margin:10px 0 26px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);padding:40px 0;background:var(--surface)}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.footer-contact{color:var(--muted);font-size:.95rem}
.footer-contact a{color:#25D366;font-weight:700}
.footer-note{color:#6b6b75;font-size:.82rem}

/* ---------- order page ---------- */
.order-wrap{max-width:560px;margin:0 auto;padding:60px 20px 80px}
.order-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:20px;padding:36px 30px;
}
.order-summary{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  background:var(--surface2);border:1px solid var(--border);
  border-radius:12px;padding:16px 18px;margin:22px 0 26px;
}
.order-summary .os-name{font-weight:800}
.order-summary .os-price{font-weight:900;font-size:1.3rem;color:var(--red)}
.order-summary .os-price small{color:var(--muted);font-weight:600;font-size:.75rem;display:block}
.field{margin-bottom:18px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:7px}
.field input{
  width:100%;padding:13px 15px;border-radius:10px;
  background:var(--surface2);border:1px solid var(--border);
  color:var(--text);font-size:1rem;font-family:inherit;
  transition:border-color .2s;
}
.field input:focus{outline:none;border-color:var(--red)}
.field .hint{color:var(--muted);font-size:.78rem;margin-top:5px}
.order-note{
  margin-top:18px;color:var(--muted);font-size:.85rem;text-align:center;
}
.back-link{display:inline-block;margin-bottom:22px;color:var(--muted);font-size:.9rem}
.back-link:hover{color:var(--text)}
.order-title{font-size:1.7rem;font-weight:900;letter-spacing:-.02em}


/* floating WhatsApp button */
.wa-float{
  position:fixed;bottom:22px;right:22px;z-index:100;
  width:58px;height:58px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 20px rgba(37,211,102,.45),0 2px 6px rgba(0,0,0,.4);
  transition:transform .15s,box-shadow .2s;
}
.wa-float:hover{transform:scale(1.08);box-shadow:0 8px 26px rgba(37,211,102,.6),0 2px 6px rgba(0,0,0,.4)}
.wa-float::before{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid rgba(37,211,102,.5);
  animation:wa-pulse 2.2s ease-out infinite;pointer-events:none;
}
@keyframes wa-pulse{
  0%{transform:scale(.9);opacity:1}
  70%,100%{transform:scale(1.35);opacity:0}
}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin:0 auto}
  .hero-cta,.hero-points{justify-content:center}
  .hero-visual{order:-1}
  .hero-logo{max-height:260px}
  .pricing-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .steps{grid-template-columns:1fr;max-width:480px;margin:0 auto}
  .nav{display:none}
  .header-inner{justify-content:space-between}
  .ribbon{transform:rotate(8deg)}
}