/* ========================================
   CSS Variables - Paleta e Tokens
   ======================================== */
:root {
  --primary: #5B21B6;
  --primary-dark: #4C1D95;
  --primary-light: #7C3AED;
  --accent: #2563EB;
  --accent-light: #3B82F6;
  --cta: #25D366;
  --cta-dark: #1EBE5A;
  --bg: #FAFAFA;
  --bg-alt: #F3F0FF;
  --surface: #FFFFFF;
  --text: #1A1A2E;
  --text-mid: #4A4A68;
  --text-light: #7C7C9A;
  --danger: #EF4444;
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 20px;
  --shadow: 0 4px 24px rgba(91, 33, 182, 0.10);
  --shadow-lg: 0 12px 40px rgba(91, 33, 182, 0.15);
  --font: 'Poppins', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========================================
   Botoes
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-m);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

/* CTA principal - WhatsApp */
.btn-cta {
  padding: 14px 24px;
  background: var(--cta);
  color: #fff;
  font-size: 0.95rem;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
  max-width: 100%;
  text-align: center;
}

@media (min-width: 640px) {
  .btn-cta {
    padding: 16px 36px;
    font-size: 1.1rem;
  }
}

.btn-cta:hover {
  background: var(--cta-dark);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.45);
}

/* Botao dos combos */
.btn-combo {
  width: 100%;
  padding: 14px 20px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-m);
  font-size: 0.95rem;
}

.btn-combo:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow);
}

/* ========================================
   Titulos de secao
   ======================================== */
.section-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  text-align: center;
  color: var(--text);
  margin-bottom: 8px;
}

.section-title span {
  color: var(--primary);
}

.section-sub {
  text-align: center;
  color: var(--text-mid);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto 40px;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Banner mobile por padrao (mobile-first) */
  background: url('./images/banner-mobile.png') center/cover no-repeat;
  background-color: var(--primary-dark);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 26, 46, 0.65) 0%,
    rgba(91, 33, 182, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
  max-width: 680px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero h1 span {
  color: #FDE68A;
}

.hero-sub {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 32px;
  line-height: 1.5;
}

/* ========================================
   COMBOS SECTION
   ======================================== */
.combos {
  padding: 80px 0;
  background: var(--bg);
}

.combos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.combo-card {
  background: var(--surface);
  border-radius: var(--radius-l);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.combo-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.combo-img {
  position: relative;
  background: var(--bg-alt);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}

.combo-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.combo-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--danger);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.combo-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.combo-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.combo-desc {
  font-size: 0.9rem;
  color: var(--text-mid);
}

.combo-price {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0 8px;
}

.price-old {
  font-size: 0.9rem;
  color: var(--text-light);
  text-decoration: line-through;
}

.price-new {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
}

/* ========================================
   SORTEIO SECTION
   ======================================== */
.sorteio {
  padding: 80px 0;
  background: var(--bg-alt);
}

.iframe-container {
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 2px solid rgba(91, 33, 182, 0.12);
}

.iframe-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  padding: 20px 24px 16px;
  text-align: center;
}

.iframe-header-bar {
  width: 48px;
  height: 4px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 4px;
  margin: 0 auto 12px;
}

.iframe-header-text {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
}

.iframe-container iframe {
  display: block;
  width: 100%;
  border: none;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  padding: 40px 0;
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transition: background 150ms ease, transform 150ms ease;
}

.footer-social a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ========================================
   STICKY CTA - Botao flutuante WhatsApp
   ======================================== */
.sticky-cta {
  position: fixed;
  bottom: 24px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: var(--cta);
  color: #fff;
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  z-index: 50;
  transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease;
  animation: stickyCta 400ms ease forwards;
}

.sticky-cta:hover {
  background: var(--cta-dark);
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

@keyframes stickyCta {
  from {
    opacity: 0;
    transform: scale(0.5);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ========================================
   RESPONSIVO - Tablet+
   ======================================== */
@media (min-width: 640px) {
  .hero {
    background-image: url('./images/banner.png');
  }

  .combos-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .combos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

}