/*
==============================================================
  ESTILO PRINCIPAL - PACKSTORE
==============================================================
  Estrutura:
  1. Variáveis e reset
  2. Componentes base (botões, container, badges)
  3. Header e navegação
  4. Hero (banner principal)
  5. Benefícios
  6. Produtos (cards de pack)
  7. Sobre, FAQ, CTA, Footer
  8. Modal do carrinho
  9. Botão flutuante WhatsApp e Toast
  10. Animações
  11. Responsividade
==============================================================
*/

/* =============== 1. VARIÁVEIS E RESET =============== */
:root {
    /* Cores principais (troque para personalizar a identidade) */
    --primary: #7c3aed;        /* Roxo principal */
    --primary-dark: #6d28d9;
    --secondary: #ec4899;      /* Rosa de destaque */
    --accent: #06b6d4;         /* Ciano para detalhes */

    /* Cores de fundo */
    --bg-dark: #0a0a0f;
    --bg-card: #15151f;
    --bg-card-hover: #1c1c2a;
    --border: rgba(255, 255, 255, 0.08);

    /* Texto */
    --text: #ffffff;
    --text-muted: #a0a0b8;

    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #7c3aed 0%, #ec4899 100%);
    --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #7c3aed 100%);

    /* Sombras */
    --shadow-glow: 0 10px 40px rgba(124, 58, 237, 0.3);
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.4);

    /* Tipografia */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Layout */
    --container: 1200px;
    --radius: 16px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background com efeito de gradiente animado */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.15), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1), transparent 40%);
    pointer-events: none;
    z-index: -1;
}

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

/* =============== 2. COMPONENTES BASE =============== */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 15px;
    transition: all var(--transition);
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 50px rgba(124, 58, 237, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: rgba(124, 58, 237, 0.1);
}

.btn-large {
    padding: 18px 40px;
    font-size: 17px;
}

.btn-block {
    width: 100%;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(124, 58, 237, 0.15);
    border: 1px solid rgba(124, 58, 237, 0.3);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.badge-section {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(236, 72, 153, 0.1);
    border: 1px solid rgba(236, 72, 153, 0.3);
    color: var(--secondary);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Cabeçalhos de seção */
.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 12px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 17px;
}

/* =============== 3. HEADER =============== */
.header {
    position: sticky;
    top: 0;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 18px 0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
}

.logo i {
    color: var(--primary);
    font-size: 24px;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
}

.nav a:hover {
    color: var(--text);
}

.btn-carrinho {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.btn-carrinho:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.contador-carrinho {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 20px;
    height: 20px;
    background: var(--secondary);
    border-radius: 50%;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =============== 4. HERO =============== */
.hero {
    padding: 80px 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 56px);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-text > p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 32px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat span {
    color: var(--text-muted);
    font-size: 14px;
}

/* Vitrine de vídeos do hero */
.hero-image {
    position: relative;
    height: 520px;
}

.hero-videos {
    display: block;
}

.hero-video {
    position: absolute;
    width: 240px;
    height: 320px;
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: #fff;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), var(--shadow-glow);
    animation: float 5s ease-in-out infinite;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
    isolation: isolate;
}

/* Borda gradiente animada */
.hero-video::before {
    content: "";
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    padding: 2px;
    background: linear-gradient(135deg, #ff2e8a, #b14bff, #ff7a00, #ff2e8a);
    background-size: 300% 300%;
    animation: borderShift 6s ease infinite;
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    z-index: 2;
    pointer-events: none;
}

/* Brilho/halo pulsante atrás do card */
.hero-video::after {
    content: "";
    position: absolute;
    inset: -10px;
    border-radius: inherit;
    background: radial-gradient(closest-side, rgba(255, 46, 138, 0.55), transparent 70%);
    filter: blur(18px);
    z-index: -1;
    animation: pulseGlow 3s ease-in-out infinite;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.hero-video:hover {
    transform: translateY(-6px) scale(1.04);
    box-shadow: 0 30px 70px rgba(255, 46, 138, 0.45);
    z-index: 5;
}

.hero-video:hover video {
    transform: scale(1.08);
}

/* Nome do produto sobre o vídeo */
.hero-video-nome {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 28px 14px 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    z-index: 3;
}

/* Tag "+18" / "HOT" / "VAZADO" no topo */
.hero-video-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 3;
    padding: 5px 10px;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff2e8a, #b14bff);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 14px rgba(255, 46, 138, 0.6);
}

.hero-video-tag.hot {
    background: linear-gradient(135deg, #ff7a00, #ff2e8a);
    animation: pulseGlow 1.6s ease-in-out infinite;
}

/* Posicionamento "espalhado" (escalonado) na coluna direita */
.hero-video-1 {
    top: 0;
    right: 0;
    animation-delay: 0s;
    transform: rotate(3deg);
}

.hero-video-2 {
    top: 90px;
    left: 0;
    animation-delay: 1.2s;
    transform: rotate(-4deg);
    z-index: 2;
}

.hero-video-3 {
    bottom: 0;
    right: 30px;
    animation-delay: 2.4s;
    transform: rotate(5deg);
}

.hero-video-1:hover,
.hero-video-2:hover,
.hero-video-3:hover {
    transform: translateY(-6px) scale(1.05) rotate(0deg);
}

@keyframes borderShift {
    0%, 100% { background-position: 0% 50%; }
    50%      { background-position: 100% 50%; }
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.55; }
    50%      { opacity: 1; }
}

/* =============== 5. BENEFÍCIOS =============== */
.beneficios {
    padding: 60px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
}

.beneficio {
    text-align: center;
    padding: 24px;
    transition: transform var(--transition);
}

.beneficio:hover {
    transform: translateY(-4px);
}

.beneficio i {
    font-size: 36px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.beneficio h3 {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
}

.beneficio p {
    color: var(--text-muted);
    font-size: 14px;
}

/* =============== 6. PRODUTOS =============== */
.produtos {
    padding: 100px 0;
}

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.produto-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.produto-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-glow);
}

.produto-imagem {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.produto-imagem img,
.produto-imagem video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    display: block;
}

.produto-card:hover .produto-imagem img,
.produto-card:hover .produto-imagem video {
    transform: scale(1.08);
}

/* Miniaturas de vídeo no carrinho e no checkout */
.item-carrinho video,
.resumo-item video {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

/* Tag de desconto */
.produto-tag {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--secondary);
    color: white;
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
    z-index: 2;
}

.produto-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
}

.produto-categoria {
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.produto-nome {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 600;
    line-height: 1.3;
}

.produto-descricao {
    color: var(--text-muted);
    font-size: 14px;
    flex: 1;
}

.produto-preco-area {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.produto-preco {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.produto-preco-antigo {
    color: var(--text-muted);
    text-decoration: line-through;
    font-size: 14px;
    margin-right: 8px;
}

.btn-comprar {
    width: 100%;
    padding: 12px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}

.btn-comprar:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

/* =============== 7. SOBRE, FAQ, CTA, FOOTER =============== */
.sobre {
    padding: 100px 0;
    border-top: 1px solid var(--border);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.sobre-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 38px);
    margin-bottom: 20px;
}

.sobre-text > p {
    color: var(--text-muted);
    margin-bottom: 24px;
    font-size: 17px;
}

.sobre-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--text-muted);
}

.sobre-list i {
    color: var(--primary);
    background: rgba(124, 58, 237, 0.15);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
}

.sobre-image {
    display: flex;
    justify-content: center;
}

.sobre-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 60px 40px;
    text-align: center;
    width: 100%;
    max-width: 360px;
    box-shadow: var(--shadow-glow);
}

.sobre-card i {
    font-size: 52px;
    color: #fbbf24;
    margin-bottom: 20px;
}

.sobre-card h3 {
    font-family: var(--font-heading);
    font-size: 56px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.sobre-card p {
    color: var(--text-muted);
}

/* FAQ */
.faq {
    padding: 100px 0;
    border-top: 1px solid var(--border);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}

.faq-item.active {
    border-color: var(--primary);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    text-align: left;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color var(--transition);
}

.faq-question i {
    transition: transform var(--transition);
    color: var(--primary);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 24px 20px;
}

.faq-answer p {
    color: var(--text-muted);
}

/* CTA Final */
.cta-final {
    padding: 100px 0;
    text-align: center;
    background: var(--gradient-primary);
    margin: 60px 0 0;
}

.cta-final h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: 12px;
}

.cta-final p {
    margin-bottom: 32px;
    font-size: 18px;
    opacity: 0.9;
}

.cta-final .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.cta-final .btn-primary:hover {
    background: var(--bg-dark);
    color: white;
}

/* Footer */
.footer {
    background: #06060a;
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    margin-bottom: 16px;
    font-size: 16px;
}

.footer-col a {
    display: block;
    color: var(--text-muted);
    margin-bottom: 8px;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.footer-col p {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 14px;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    transition: all var(--transition);
}

.social-icons a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 14px;
}

/* =============== 8. MODAL DO CARRINHO =============== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    display: flex;
    justify-content: flex-end;
}

.modal-overlay.ativo {
    opacity: 1;
    visibility: visible;
}

.modal-carrinho {
    width: 100%;
    max-width: 460px;
    height: 100%;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition);
}

.modal-overlay.ativo .modal-carrinho {
    transform: translateX(0);
}

.modal-header {
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-fechar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-dark);
    transition: background var(--transition);
}

.btn-fechar:hover {
    background: var(--primary);
}

.modal-body {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.carrinho-vazio {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.carrinho-vazio i {
    font-size: 60px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.item-carrinho {
    display: flex;
    gap: 12px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.item-carrinho img {
    width: 70px;
    height: 70px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.item-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-info h4 {
    font-size: 14px;
    font-family: var(--font-heading);
}

.item-preco {
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
}

.item-acoes {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-quantidade {
    width: 26px;
    height: 26px;
    background: var(--bg-dark);
    border-radius: 4px;
    font-size: 12px;
    transition: background var(--transition);
}

.btn-quantidade:hover { background: var(--primary); }

.item-quantidade {
    min-width: 24px;
    text-align: center;
    font-weight: 600;
}

.btn-remover {
    color: #ef4444;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background var(--transition);
}

.btn-remover:hover { background: rgba(239, 68, 68, 0.15); }

.modal-footer {
    padding: 24px;
    border-top: 1px solid var(--border);
    background: var(--bg-dark);
}

.total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    font-size: 18px;
}

.total strong {
    font-family: var(--font-heading);
    font-size: 24px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* =============== 9. WHATSAPP E TOAST =============== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 30px;
    z-index: 90;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    transition: all var(--transition);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
}

.whatsapp-float .tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-card);
    color: var(--text);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    border: 1px solid var(--border);
}

.whatsapp-float:hover .tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

.toast {
    position: fixed;
    bottom: 100px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--primary);
    padding: 14px 22px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 300;
    box-shadow: var(--shadow-glow);
    transform: translateX(120%);
    transition: transform var(--transition);
}

.toast.ativo {
    transform: translateX(0);
}

.toast i {
    color: #10b981;
    font-size: 18px;
}

/* =============== 10. ANIMAÇÕES =============== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.8), 0 0 0 12px rgba(37, 211, 102, 0); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.produto-card {
    animation: fadeInUp 0.6s ease backwards;
}

/* Aplica delay progressivo para efeito cascata nos cards */
.produto-card:nth-child(1) { animation-delay: 0.05s; }
.produto-card:nth-child(2) { animation-delay: 0.1s; }
.produto-card:nth-child(3) { animation-delay: 0.15s; }
.produto-card:nth-child(4) { animation-delay: 0.2s; }
.produto-card:nth-child(5) { animation-delay: 0.25s; }
.produto-card:nth-child(6) { animation-delay: 0.3s; }
.produto-card:nth-child(7) { animation-delay: 0.35s; }
.produto-card:nth-child(8) { animation-delay: 0.4s; }
.produto-card:nth-child(9) { animation-delay: 0.45s; }
.produto-card:nth-child(10) { animation-delay: 0.5s; }

/* =============== 11. RESPONSIVIDADE =============== */
@media (max-width: 900px) {
    .hero-content,
    .sobre-content {
        grid-template-columns: 1fr;
    }

    .hero-image {
        height: 420px;
        order: -1;
    }

    .hero-video {
        width: 180px;
        height: 240px;
    }

    .hero-video-1 { top: 0; right: 10%; }
    .hero-video-2 { top: 60px; left: 5%; }
    .hero-video-3 { bottom: 0; right: 20%; }
}

@media (max-width: 480px) {
    .hero-image {
        height: 360px;
    }

    .hero-video {
        width: 140px;
        height: 190px;
    }

    .hero-video-nome { font-size: 12px; padding: 22px 10px 10px; }

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

    .nav {
        display: none;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat strong {
        font-size: 24px;
    }

    .produtos,
    .sobre,
    .faq {
        padding: 60px 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .modal-carrinho {
        max-width: 100%;
    }

    .whatsapp-float {
        bottom: 16px;
        right: 16px;
        width: 54px;
        height: 54px;
        font-size: 26px;
    }

    .hero-buttons {
        width: 100%;
    }

    .hero-buttons .btn {
        flex: 1;
    }
}