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

/* ── Variables ─────────────────────────────────────────────────────────────── */
:root {
  --brand:         #16a34a;
  --brand-dark:    #15803d;
  --brand-muted:   rgba(22,163,74,.12);
  --whatsapp:      #25d366;
  --gold:          #FF9F0A;

  --bg:            #f2f2f7;
  --bg-el:         #ffffff;
  --label:         #000000;
  --label-2:       rgba(60,60,67,.60);
  --label-3:       rgba(60,60,67,.30);
  --sep:           rgba(60,60,67,.12);
  --fill:          rgba(120,120,128,.12);
  --fill-2:        rgba(120,120,128,.08);

  --r-sm:  10px;
  --r:     16px;
  --r-lg:  20px;
  --r-xl:  28px;

  --sh-xs: 0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.03);
  --sh-sm: 0 2px 10px rgba(0,0,0,.08),0 1px 3px rgba(0,0,0,.04);
  --sh-md: 0 4px 20px rgba(0,0,0,.10),0 2px 6px rgba(0,0,0,.05);
  --sh-lg: 0 8px 36px rgba(0,0,0,.14),0 4px 12px rgba(0,0,0,.07);
  --sh-xl: 0 20px 60px rgba(0,0,0,.22),0 8px 24px rgba(0,0,0,.10);

  --spring: cubic-bezier(.34,1.56,.64,1);
  --ease:   cubic-bezier(.25,.46,.45,.94);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:      #1c1c1e;
    --bg-el:   #2c2c2e;
    --label:   #ffffff;
    --label-2: rgba(235,235,245,.60);
    --label-3: rgba(235,235,245,.30);
    --sep:     rgba(84,84,88,.55);
    --fill:    rgba(118,118,128,.24);
    --fill-2:  rgba(118,118,128,.16);
    --brand-muted: rgba(22,163,74,.18);
  }
}

/* ── Base ──────────────────────────────────────────────────────────────────── */
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
               Arial, sans-serif;
  background: var(--bg);
  color: var(--label);
  min-height: 100dvh;
  padding-bottom: calc(96px + env(safe-area-inset-bottom));
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior-y: none;
}

/* ── Nav ───────────────────────────────────────────────────────────────────── */
.app-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top);
  background: rgba(242,242,247,.88);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: .5px solid var(--sep);
  transition: box-shadow .2s var(--ease);
}

@media (prefers-color-scheme: dark) {
  .app-nav { background: rgba(28,28,30,.88); }
}

.app-nav.scrolled { box-shadow: var(--sh-sm); }

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 16px;
  max-width: 560px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 34px;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.logo-text {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -.3px;
  color: var(--label);
}

.nav-vip-btn {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 100px;
  padding: 7px 16px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -.1px;
  transition: opacity .15s, transform .15s;
}
.nav-vip-btn:active { opacity: .75; transform: scale(.96); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-size: .82rem;
  font-weight: 500;
  color: var(--label-2);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--label); background: var(--fill); }

/* ── Hero ──────────────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(160deg, #0d5c2e 0%, #16a34a 100%);
  padding: 32px 20px 36px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.10) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(255,255,255,.07) 0%, transparent 45%);
  pointer-events: none;
}

.hero-eyebrow {
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
  position: relative;
}

.hero-title {
  font-size: clamp(1.6rem, 6vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -.5px;
  position: relative;
}

.hero-sub {
  font-size: .88rem;
  color: rgba(255,255,255,.70);
  margin-top: 8px;
  position: relative;
  font-weight: 400;
}

/* ── Feed ──────────────────────────────────────────────────────────────────── */
.feed {
  max-width: 560px;
  margin: 0 auto;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Skeleton ──────────────────────────────────────────────────────────────── */
.skeleton-card {
  background: var(--bg-el);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-xs);
}
.sk-img { height: 192px; background: var(--fill); animation: shimmer 1.6s ease infinite; }
.sk-body { padding: 16px; }
.sk-line { height: 13px; background: var(--fill); border-radius: 6px; margin-bottom: 10px; }
.sk-line.s { width: 38%; }
.sk-line.m { width: 65%; }
.sk-line.l { width: 88%; }
@keyframes shimmer { 0%,100%{opacity:1} 50%{opacity:.4} }

/* ── Card ──────────────────────────────────────────────────────────────────── */
.offer-card {
  background: var(--bg-el);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-sm);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
  animation: fadeUp .45s var(--ease) both;
}

@keyframes fadeUp {
  from { opacity:0; transform: translateY(18px); }
  to   { opacity:1; transform: translateY(0); }
}

.offer-card:active {
  transform: scale(.984);
  box-shadow: var(--sh-xs);
}

.card-img {
  width: 100%;
  height: 192px;
  object-fit: cover;
  display: block;
}

.card-img-placeholder {
  width: 100%;
  height: 192px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d5c2e, #16a34a);
  font-size: 3.5rem;
}

.card-body { padding: 16px 16px 20px; }

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.badge-destaque {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: linear-gradient(135deg, #FF9F0A, #e8720c);
  color: #fff;
  font-size: .67rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 100px;
  letter-spacing: .4px;
  text-transform: uppercase;
}

.card-lojista {
  font-size: .71rem;
  color: var(--label-2);
  text-transform: uppercase;
  letter-spacing: .6px;
  font-weight: 500;
}

.card-titulo {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--label);
  margin-bottom: 6px;
  line-height: 1.3;
  letter-spacing: -.2px;
}

.card-descricao {
  font-size: .875rem;
  color: var(--label-2);
  margin-bottom: 16px;
  line-height: 1.55;
}

.cupom-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-muted);
  border: 1.5px dashed var(--brand);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
}

.cupom-label {
  font-size: .68rem;
  color: var(--label-3);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  white-space: nowrap;
}

.cupom-code {
  font-family: "SF Mono", "Courier New", monospace;
  font-size: .93rem;
  font-weight: 700;
  color: var(--brand);
  flex: 1;
  letter-spacing: .5px;
}

.btn-copy {
  background: var(--fill);
  border: none;
  cursor: pointer;
  font-size: .88rem;
  padding: 5px 9px;
  border-radius: 7px;
  transition: background .12s;
  color: var(--label);
  line-height: 1;
}
.btn-copy:active { background: var(--sep); }

.btn-resgatar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--whatsapp);
  color: #fff;
  font-size: .95rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--r-sm);
  text-decoration: none;
  transition: opacity .15s, transform .15s;
  letter-spacing: -.1px;
}
.btn-resgatar:active { opacity: .85; transform: scale(.985); }

.btn-resgatar svg { flex-shrink: 0; }

/* ── Empty / Error ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--label-2);
}
.empty-icon { font-size: 3.5rem; display: block; margin-bottom: 14px; }
.empty-state p { font-size: .95rem; line-height: 1.6; }
.error-msg { color: #FF3B30; text-align: center; padding: 40px 20px; font-size: .9rem; }

/* ── VIP Overlay ───────────────────────────────────────────────────────────── */
.vip-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s var(--ease);
}
.vip-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ── VIP Sheet ─────────────────────────────────────────────────────────────── */
.vip-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-el);
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  box-shadow: var(--sh-xl);
  padding-bottom: env(safe-area-inset-bottom);
  transform: translateY(100%);
  transition: transform .36s var(--spring);
}
.vip-sheet.open { transform: translateY(0); }

.sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--sep);
  border-radius: 2px;
  margin: 12px auto 0;
}

.sheet-content {
  padding: 20px 24px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.sheet-icon { font-size: 2.8rem; margin-bottom: 12px; }

.sheet-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--label);
  letter-spacing: -.3px;
  margin-bottom: 8px;
}

.sheet-desc {
  font-size: .875rem;
  color: var(--label-2);
  line-height: 1.6;
  max-width: 300px;
  margin-bottom: 22px;
}

.phone-field {
  display: flex;
  align-items: center;
  background: var(--fill);
  border-radius: var(--r-sm);
  padding: 0 14px;
  width: 100%;
  margin-bottom: 10px;
  border: 1.5px solid transparent;
  transition: border-color .15s, background .15s;
}
.phone-field:focus-within {
  border-color: var(--brand);
  background: var(--brand-muted);
}

.phone-prefix {
  font-size: .9rem;
  color: var(--label-2);
  font-weight: 500;
  padding-right: 10px;
  border-right: 1px solid var(--sep);
  margin-right: 10px;
  line-height: 48px;
  white-space: nowrap;
}

#vip-phone {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--label);
  padding: 14px 0;
  outline: none;
  font-family: inherit;
}
#vip-phone::placeholder { color: var(--label-3); }

.sheet-msg {
  font-size: .8rem;
  align-self: flex-start;
  margin-bottom: 10px;
  display: none;
}
.sheet-msg.show-error { display: block; color: #FF3B30; }
.sheet-msg.show-ok    { display: block; color: var(--brand); }

.sheet-cta {
  width: 100%;
  padding: 15px;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: -.15px;
  margin-bottom: 10px;
  transition: opacity .15s, transform .15s;
}
.sheet-cta:active { opacity: .82; transform: scale(.98); }
.sheet-cta:disabled { opacity: .5; cursor: not-allowed; }

.sheet-dismiss {
  background: none;
  border: none;
  color: var(--label-2);
  font-size: .88rem;
  cursor: pointer;
  font-family: inherit;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background .12s;
}
.sheet-dismiss:active { background: var(--fill); }

/* ── VIP Pill ──────────────────────────────────────────────────────────────── */
.vip-pill {
  position: fixed;
  bottom: calc(22px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(0);
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s var(--ease), transform .3s var(--spring);
}
.vip-pill.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.vip-pill button {
  background: var(--label);
  color: var(--bg-el);
  border: none;
  border-radius: 100px;
  padding: 13px 22px;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  box-shadow: var(--sh-lg);
  white-space: nowrap;
  letter-spacing: -.15px;
  transition: opacity .15s, transform .15s;
}
.vip-pill button:active { opacity: .8; transform: scale(.96); }

/* ── Success state ─────────────────────────────────────────────────────────── */
.vip-success-content {
  padding: 40px 24px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.vip-success-content .sheet-icon { font-size: 3.2rem; }
.vip-success-content .sheet-title { font-size: 1.4rem; }