/* ===============================================
   RESET E VARIÁVEIS
   =============================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Cores Principais */
    --color-black: #0a0a0a;
    --color-dark-gray: #1a1a1a;
    --color-medium-gray: #2a2a2a;
    --color-light-gray: #3a3a3a;
    --color-text-gray: #b0b0b0;
    --color-blood-red: #dc143c;
    --color-blood-red-hover: #ff1744;
    --color-white: #ffffff;
    
    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
}

/* ===============================================
   ESTILOS GLOBAIS
   =============================================== */
body {
    font-family: var(--font-primary);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

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

/* ===============================================
   SEÇÃO HERO
   =============================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-dark-gray) 100%);
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 50%, rgba(220, 20, 60, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    text-align: center;
}

.headline {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.highlight {
    color: var(--color-blood-red);
    position: relative;
    display: inline-block;
}

.subheadline {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===============================================
   BOTÕES CTA
   =============================================== */
.cta-button {
    display: inline-block;
    background: var(--color-blood-red);
    color: var(--color-white);
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    font-weight: 700;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.3);
    text-align: center;
    width: 100%;
    max-width: 450px;
}

.cta-button:hover {
    background: var(--color-blood-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(220, 20, 60, 0.5);
}

.cta-button:active {
    transform: translateY(0);
}

.social-proof {
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-gray);
    font-weight: 400;
}

/* ===============================================
   MOCKUP DO PRODUTO
   =============================================== */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mockup-container {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.product-mockup {
    width: 100%;
    height: auto;
    display: none; /* Ocultar até adicionar imagem real */
}

/* Mockup Placeholder com Imagem */
.mockup-placeholder {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.hero-mockup-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.5));
    animation: floatAnimation 3s ease-in-out infinite;
}

@keyframes floatAnimation {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* ===============================================
   SEÇÃO OFERTA
   =============================================== */
.offer {
    padding: var(--spacing-xxl) 0;
    background: var(--color-dark-gray);
    position: relative;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

/* Grid dos Pecados */
.sins-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.sin-item {
    background: var(--color-medium-gray);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border-left: 4px solid var(--color-blood-red);
    transition: all var(--transition-medium);
}

.sin-item:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(220, 20, 60, 0.2);
}

.sin-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.sin-item h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.sin-item p {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}

/* ===============================================
   SEÇÃO DE PREÇO
   =============================================== */
.price-section {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    text-align: center;
}

.price-box {
    background: var(--color-black);
    padding: var(--spacing-xl);
    border-radius: 16px;
    margin-bottom: var(--spacing-lg);
    border: 2px solid var(--color-blood-red);
}

.price-label {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.price-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.old-price {
    font-size: 1.2rem;
    color: var(--color-text-gray);
    text-decoration: line-through;
    opacity: 0.6;
}

.current-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-blood-red);
    line-height: 1;
}

.price-subtext {
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

.cta-large {
    font-size: 1.3rem;
    padding: 1.5rem 3rem;
    margin-bottom: var(--spacing-lg);
}

/* ===============================================
   GARANTIA
   =============================================== */
.guarantee {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--color-medium-gray);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: left;
}

.guarantee-badge {
    flex-shrink: 0;
}

.badge-circle {
    width: 80px;
    height: 80px;
    background: var(--color-blood-red);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.4);
}

.badge-days {
    font-size: 2rem;
    font-weight: 900;
    line-height: 1;
}

.badge-text {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.guarantee-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.guarantee-text p {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}

/* ===============================================
   CTA FINAL
   =============================================== */
.final-cta {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.urgency-text {
    font-size: 1rem;
    color: var(--color-blood-red);
    font-weight: 600;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ===============================================
   CTA STICKY (MOBILE)
   =============================================== */
.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark-gray);
    padding: var(--spacing-sm);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition-medium);
    border-top: 2px solid var(--color-blood-red);
}

.sticky-cta.visible {
    transform: translateY(0);
}

.sticky-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: var(--spacing-sm);
}

.sticky-info {
    display: flex;
    flex-direction: column;
}

.sticky-price {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-blood-red);
    line-height: 1;
}

.sticky-text {
    font-size: 0.8rem;
    color: var(--color-text-gray);
}

.sticky-button {
    background: var(--color-blood-red);
    color: var(--color-white);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.sticky-button:hover {
    background: var(--color-blood-red-hover);
    transform: scale(1.05);
}

/* ===============================================
   FOOTER
   =============================================== */
.footer {
    background: var(--color-black);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--color-light-gray);
}

.footer p {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-text-gray);
    margin: 0 var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-blood-red);
}

/* ===============================================
   RESPONSIVIDADE - TABLET
   =============================================== */
@media (min-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xxl);
    }
    
    .hero-text {
        text-align: left;
    }
    
    .sins-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .mockup-phone {
        width: 320px;
        height: 640px;
    }
    
    /* Preços maiores para tablets e desktop */
    .old-price {
        font-size: 1.5rem;
    }
    
    .current-price {
        font-size: 3.5rem;
    }
}

/* ===============================================
   RESPONSIVIDADE - DESKTOP
   =============================================== */
@media (min-width: 1024px) {
    .sins-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .sticky-cta {
        display: none; /* Ocultar sticky em desktop */
    }
    
    .guarantee {
        padding: var(--spacing-xl);
    }
}

/* ===============================================
   OTIMIZAÇÕES DE PERFORMANCE
   =============================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Lazy Loading de Imagens */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
}

img[loading="lazy"].loaded {
    opacity: 1;
}