/* =========================================================
   CupomFlash — stylesheet
   Tokens: bg-void #0B0E14 · bg-surface #131826 · bg-surface-2 #1B2233
           accent-flash #FFD23F (urgência) · accent-volt #00E5A0 (economia)
           accent-hot #FF4D6D (destaque/promo)
   Display: Space Grotesk · Body: Inter · Código/Utility: JetBrains Mono
   ========================================================= */

:root{
  --bg-void:#0B0E14;
  --bg-surface:#131826;
  --bg-surface-2:#1B2233;
  --accent-flash:#FFD23F;
  --accent-volt:#00E5A0;
  --accent-hot:#FF4D6D;
  --text-primary:#F4F6FB;
  --text-muted:#8B93A7;
  --border-soft:rgba(255,255,255,.08);
  --border-soft-2:rgba(255,255,255,.14);
  --shadow-glow: 0 0 0 1px rgba(255,210,63,.08), 0 20px 60px -20px rgba(255,210,63,.15);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}

html{scroll-behavior:smooth;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}

body{
  background:var(--bg-void);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit;}
ul{list-style:none;}

.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}

:focus-visible{
  outline:2px solid var(--accent-flash);
  outline-offset:3px;
  border-radius:4px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn-flash{
  background:var(--accent-flash);
  color:#161200;
}
.btn-flash:hover{transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(255,210,63,.5);}

.btn-volt{
  background:var(--accent-volt);
  color:#052018;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 12px 24px -8px rgba(0,229,160,.45);}

.btn-ghost{
  background:transparent;
  border:1px solid var(--border-soft-2);
  color:var(--text-primary);
}
.btn-ghost:hover{border-color:var(--accent-flash);color:var(--accent-flash);}

.btn-sm{padding:9px 18px;font-size:.85rem;}

/* ================= HEADER ================= */
.header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(11,14,20,.75);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.logo{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.25rem;
  letter-spacing:-.02em;
}
.logo-bolt{
  display:inline-grid;
  place-items:center;
  width:32px;height:32px;
  background:var(--accent-flash);
  color:#161200;
  border-radius:8px;
  font-size:1rem;
}
.logo-accent{color:var(--accent-flash);}

.nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  font-size:.92rem;
  font-weight:500;
  color:var(--text-muted);
  position:relative;
  padding:6px 2px;
  transition:color .2s ease;
}
.nav-link:hover{color:var(--text-primary);}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent-flash);
  transition:width .25s ease;
}
.nav-link:hover::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:14px;}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  width:28px;
  padding:4px;
}
.nav-toggle span{
  display:block;
  height:2px;
  width:100%;
  background:var(--text-primary);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ================= HERO ================= */
.hero{
  position:relative;
  padding:110px 0 90px;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:0;
  background:
    radial-gradient(60% 50% at 80% 0%, rgba(0,229,160,.12), transparent 70%),
    radial-gradient(50% 40% at 15% 15%, rgba(255,210,63,.10), transparent 70%);
}
.grid-dots{
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:26px 26px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%, #000, transparent);
}
.scan-line{
  position:absolute;
  left:0;right:0;
  height:1px;
  background:linear-gradient(90deg, transparent, var(--accent-volt), transparent);
  opacity:.6;
  animation:scan 5s linear infinite;
  box-shadow:0 0 12px 1px rgba(0,229,160,.6);
}
@keyframes scan{
  0%{top:0%;}
  100%{top:100%;}
}

.hero-inner{
  position:relative;
  z-index:1;
  max-width:760px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  border:1px solid var(--border-soft-2);
  border-radius:999px;
  font-size:.8rem;
  font-weight:600;
  color:var(--accent-volt);
  background:rgba(0,229,160,.06);
  margin-bottom:22px;
}
.hero-title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2.4rem, 6vw, 4.2rem);
  line-height:1.05;
  letter-spacing:-.03em;
  margin-bottom:20px;
}
.accent-flash{color:var(--accent-flash);}

.hero-sub{
  font-size:1.08rem;
  color:var(--text-muted);
  max-width:520px;
  margin-bottom:36px;
}

.hero-search{
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg-surface);
  border:1px solid var(--border-soft-2);
  border-radius:999px;
  padding:8px 8px 8px 20px;
  max-width:600px;
  margin-bottom:48px;
}
.search-icon{color:var(--text-muted);flex-shrink:0;}
.hero-search input{
  flex:1;
  background:none;
  border:none;
  color:var(--text-primary);
  font-family:var(--font-body);
  font-size:.95rem;
  padding:10px 0;
  min-width:0;
}
.hero-search input:focus{outline:none;}
.hero-search input::placeholder{color:var(--text-muted);}

.hero-stats{
  display:flex;
  gap:44px;
  flex-wrap:wrap;
}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat-num{
  font-family:var(--font-display);
  font-weight:700;
  font-size:2rem;
  color:var(--text-primary);
}
.stat-label{
  font-size:.82rem;
  color:var(--text-muted);
}

/* ================= CATEGORIES / PILLS ================= */
.categories{padding:10px 0 30px;}
.filter-pills{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.pill{
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--border-soft-2);
  background:var(--bg-surface);
  color:var(--text-muted);
  font-size:.88rem;
  font-weight:600;
  transition:all .2s ease;
}
.pill:hover{border-color:var(--accent-flash);color:var(--text-primary);}
.pill.is-active{
  background:var(--accent-flash);
  border-color:var(--accent-flash);
  color:#161200;
}

/* ================= SECTION HEAD ================= */
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:16px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing:-.02em;
}
.section-note{
  font-size:.85rem;
  color:var(--text-muted);
  font-family:var(--font-mono);
}

/* ================= COUPONS ================= */
.coupons{padding:20px 0 90px;}

.coupons-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:26px;
}

.empty-state{
  text-align:center;
  color:var(--text-muted);
  padding:60px 0;
  font-size:1rem;
}

/* --- Coupon card: ticket / cupom físico com "furos" --- */
.coupon-card{
  position:relative;
  background:var(--bg-surface);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  overflow:visible;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  animation:card-in .5s ease both;
}
.coupon-card:hover{
  transform:translateY(-4px);
  border-color:var(--border-soft-2);
  box-shadow:var(--shadow-glow);
}
@keyframes card-in{
  from{opacity:0; transform:translateY(10px);}
  to{opacity:1; transform:translateY(0);}
}

.coupon-top{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.coupon-store-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.coupon-store{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:600;
  font-size:.95rem;
}
.coupon-store-icon{
  width:34px;height:34px;
  border-radius:9px;
  display:grid;
  place-items:center;
  font-size:1.1rem;
  background:var(--bg-surface-2);
  flex-shrink:0;
}
.coupon-badge{
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:700;
  padding:4px 9px;
  border-radius:999px;
  text-transform:uppercase;
  letter-spacing:.03em;
}
.coupon-badge.hot{background:rgba(255,77,109,.15);color:var(--accent-hot);}
.coupon-badge.new{background:rgba(0,229,160,.15);color:var(--accent-volt);}

.coupon-discount{
  font-family:var(--font-display);
  font-weight:700;
  font-size:2rem;
  letter-spacing:-.02em;
  color:var(--accent-flash);
  line-height:1;
}
.coupon-desc{
  font-size:.88rem;
  color:var(--text-muted);
}
.coupon-expiry{
  font-size:.76rem;
  color:var(--text-muted);
  font-family:var(--font-mono);
}

/* perforated seam */
.coupon-seam{
  position:relative;
  height:0;
  border-top:2px dashed var(--border-soft-2);
  margin:0 22px;
}
.coupon-seam::before,
.coupon-seam::after{
  content:"";
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:22px;height:22px;
  background:var(--bg-void);
  border-radius:50%;
}
.coupon-seam::before{left:-33px;}
.coupon-seam::after{right:-33px;}

.coupon-bottom{
  padding:18px 22px 22px;
  display:flex;
  align-items:center;
  gap:10px;
}
.coupon-code{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:.92rem;
  letter-spacing:.04em;
  background:var(--bg-surface-2);
  border:1px dashed var(--border-soft-2);
  border-radius:var(--radius-sm);
  padding:12px 10px;
  color:var(--text-primary);
}
.coupon-copy{
  flex-shrink:0;
  display:grid;
  place-items:center;
  width:46px;height:46px;
  border-radius:var(--radius-sm);
  background:var(--accent-volt);
  color:#052018;
  transition:transform .2s ease, background .2s ease;
}
.coupon-copy:hover{transform:scale(1.06);}
.coupon-copy.is-copied{background:var(--accent-flash);}

/* ================= HOW IT WORKS ================= */
.how{
  padding:90px 0;
  background:var(--bg-surface);
  border-top:1px solid var(--border-soft);
  border-bottom:1px solid var(--border-soft);
}
.how-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:32px;
}
.how-step{
  padding:30px 26px;
  background:var(--bg-void);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
}
.how-num{
  display:block;
  font-family:var(--font-mono);
  font-weight:700;
  font-size:.85rem;
  color:var(--accent-volt);
  margin-bottom:16px;
}
.how-step h3{
  font-family:var(--font-display);
  font-size:1.2rem;
  margin-bottom:10px;
  letter-spacing:-.01em;
}
.how-step p{color:var(--text-muted);font-size:.92rem;}

/* ================= CTA ================= */
.cta{padding:90px 0;}
.cta-card{
  position:relative;
  background:linear-gradient(135deg, var(--bg-surface), var(--bg-surface-2));
  border:1px solid var(--border-soft-2);
  border-radius:28px;
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-card::before{
  content:"";
  position:absolute;
  width:340px;height:340px;
  right:-100px;top:-140px;
  background:radial-gradient(circle, rgba(0,229,160,.25), transparent 70%);
}
.cta-text{position:relative;max-width:480px;}
.cta-text h2{
  font-family:var(--font-display);
  font-size:clamp(1.6rem, 3vw, 2.2rem);
  margin-bottom:10px;
  letter-spacing:-.02em;
}
.cta-text p{color:var(--text-muted);}
.cta-inner{position:relative;}

/* ================= FOOTER ================= */
.footer{
  background:var(--bg-surface);
  border-top:1px solid var(--border-soft);
  padding:64px 0 0;
}
.footer-inner{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  color:var(--text-muted);
  font-size:.88rem;
  margin-top:14px;
  max-width:260px;
}
.footer-col h4{
  font-size:.82rem;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--text-muted);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:.9rem;
  color:var(--text-primary);
  opacity:.8;
  margin-bottom:10px;
  transition:opacity .2s ease, color .2s ease;
}
.footer-col a:hover{opacity:1;color:var(--accent-flash);}

.footer-bottom{
  border-top:1px solid var(--border-soft);
  padding:22px 0 28px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.78rem;
  color:var(--text-muted);
}
.footer-disclaimer{max-width:480px;text-align:right;}

/* ================= BACK TO TOP / TOAST ================= */
.back-to-top{
  position:fixed;
  right:22px;
  bottom:22px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--accent-flash);
  color:#161200;
  font-size:1.1rem;
  display:grid;
  place-items:center;
  box-shadow:0 10px 24px -8px rgba(255,210,63,.5);
  opacity:0;
  pointer-events:none;
  transform:translateY(10px);
  transition:opacity .25s ease, transform .25s ease;
  z-index:90;
}
.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}

.toast{
  position:fixed;
  left:50%;
  bottom:30px;
  transform:translate(-50%, 20px);
  background:var(--bg-surface-2);
  border:1px solid var(--border-soft-2);
  color:var(--text-primary);
  padding:13px 22px;
  border-radius:999px;
  font-size:.88rem;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease, transform .25s ease;
  z-index:200;
}
.toast.is-visible{opacity:1;transform:translate(-50%, 0);}
.toast::before{
  content:"✓";
  display:grid;
  place-items:center;
  width:18px;height:18px;
  border-radius:50%;
  background:var(--accent-volt);
  color:#052018;
  font-size:.7rem;
  font-weight:700;
}

/* ================= RESPONSIVE ================= */
@media (max-width: 980px){
  .coupons-grid{grid-template-columns:repeat(2, 1fr);}
  .how-grid{grid-template-columns:1fr 1fr;}
  .footer-inner{grid-template-columns:1fr 1fr;}
}

@media (max-width: 760px){
  .nav, .header-actions .btn-ghost{display:none;}
  .nav-toggle{display:flex;}

  .nav.is-open{
    display:flex;
    position:absolute;
    top:76px;
    left:0;right:0;
    background:var(--bg-void);
    border-bottom:1px solid var(--border-soft);
    flex-direction:column;
    padding:20px 24px 26px;
    gap:18px;
  }

  .hero{padding:70px 0 60px;}
  .hero-search{flex-wrap:wrap;border-radius:20px;padding:14px;}
  .hero-search .btn{width:100%;justify-content:center;}
  .hero-stats{gap:28px;}

  .coupons-grid{grid-template-columns:1fr;}
  .how-grid{grid-template-columns:1fr;}

  .cta-card{padding:38px 26px;}
  .cta-card .btn{width:100%;justify-content:center;}

  .footer-inner{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .footer-disclaimer{text-align:left;}
}

@media (max-width: 420px){
  .hero-title{font-size:2.1rem;}
  .coupon-bottom{flex-wrap:wrap;}
  .coupon-copy{width:100%;height:44px;}
}