/* ============================================
   VARIÁVEIS E CONFIGURAÇÃO GLOBAL
   ============================================ */
:root {
    --color-primary: #f5c300;
    --color-secondary: #e0a800;
    --color-dark: #222222;
    --color-light: #f7f3e8;
    --color-text: #333333;
    --color-white: #ffffff;
    --color-accent: #e0a800;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    --font-primary: 'Segoe UI', 'Trebuchet MS', Tahoma, Geneva, Verdana, sans-serif;
    --border-radius: 14px;
    --shadow-sm: 0 2px 10px rgba(31, 35, 40, 0.08);
    --shadow-md: 0 10px 24px rgba(31, 35, 40, 0.12);
    --shadow-lg: 0 18px 42px rgba(31, 35, 40, 0.16);
    
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background:
        radial-gradient(circle at top left, rgba(245, 195, 0, 0.14), transparent 28%),
        radial-gradient(circle at top right, rgba(224, 168, 0, 0.12), transparent 26%),
        var(--color-white);
    line-height: 1.6;
}

/* ============================================
   CONTAINER E LAYOUT
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */
.header {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a1a 100%);
    color: var(--color-white);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    border-radius: 0;
    background: none;
}

.logo-image {
    height: 85px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-text {
    display: none;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav a {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-bottom: 2px solid transparent;
}

.nav a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 999px;
    transition: var(--transition);
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.08);
}

.mobile-menu {
    display: none;
    background: var(--color-dark);
    padding: var(--spacing-md);
    flex-direction: column;
    gap: var(--spacing-sm);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--color-white);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.mobile-menu a:hover {
    background: var(--color-primary);
    color: var(--color-dark);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.22), transparent 25%),
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.hero-content > p {
    font-size: clamp(1.05rem, 2vw, 1.35rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    max-width: 36rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.hero-image picture,
.produto-imagem picture {
    display: block;
    width: 100%;
}

.hero-product-image {
    width: min(100%, 460px);
    height: auto;
    border-radius: 28px;
    box-shadow: none;
    object-fit: cover;
}

.product-bottle {
    width: 200px;
    height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    border-radius: 50% 50% 30% 30%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

.bottle-label {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    transform: rotate(-10deg);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ============================================
   BOTÕES
   ============================================ */
.cta-primary,
.cta-secondary {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-dark);
    box-shadow: var(--shadow-md);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-primary:focus-visible,
.cta-secondary:focus-visible,
.nav a:focus-visible,
.mobile-menu a:focus-visible,
.footer-section a:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.6);
    outline-offset: 3px;
}

.cta-secondary {
    background: var(--color-primary);
    color: var(--color-dark);
}

.cta-secondary:hover {
    background: var(--color-accent);
}

/* ============================================
   SEÇÃO PRODUTOS
   ============================================ */
.produtos {
    padding: var(--spacing-2xl) 0;
    background: var(--color-light);
}

.produtos h2,
.beneficios h2,
.modo-uso h2,
.diferenciais h2,
.cta-section h2,
.contato h2 {
    font-size: clamp(2rem, 4vw, 2.9rem);
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    color: var(--color-dark);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.produtos h2::after,
.beneficios h2::after,
.modo-uso h2::after,
.diferenciais h2::after,
.cta-section h2::after,
.contato h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: 2px;
}

.produto-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    background: #ffffff;
    padding: var(--spacing-2xl);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(31, 35, 40, 0.06);
}

.produto-imagem {
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    padding: 0;
    border-radius: 0;
}

.produto-foto {
    width: min(100%, 360px);
    height: auto;
    border-radius: 0;
    box-shadow: none;
    object-fit: cover;
}

.bottle-grande {
    width: 150px;
    height: 250px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50% 50% 20% 20%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    font-weight: bold;
    color: var(--color-white);
    font-size: 1.2rem;
}

.produto-info h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-dark);
}

.composicao {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.caracteristicas {
    display: grid;
    gap: var(--spacing-lg);
}

.carac-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.carac-icon {
    font-size: 2rem;
    min-width: 60px;
}

.carac-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--color-primary);
}

.carac-item p {
    color: var(--color-text);
    font-size: 0.95rem;
}

/* ============================================
   SEÇÃO BENEFÍCIOS
   ============================================ */
.beneficios {
    padding: var(--spacing-2xl) 0;
}

.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.beneficio-card {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-light) 100%);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    border-top: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

.beneficio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.beneficio-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.beneficio-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.beneficio-card p {
    color: var(--color-text);
    line-height: 1.5;
}

/* ============================================
   SEÇÃO MODO DE USO
   ============================================ */
.modo-uso {
    padding: var(--spacing-2xl) 0;
    background: var(--color-light);
}

.modo-uso-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.passo {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.passo-numero {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

.passo h3 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.passo p {
    color: var(--color-text);
    font-size: 0.95rem;
}

.precaucoes {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    border-left: 4px solid #FF6B6B;
    box-shadow: var(--shadow-md);
}

.precaucoes h3 {
    color: #FF6B6B;
    margin-bottom: var(--spacing-md);
}

.precaucoes ul {
    list-style: none;
}

.precaucoes li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text);
}

.precaucoes li:before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

/* ============================================
   SEÇÃO DIFERENCIAIS
   ============================================ */
.diferenciais {
    padding: var(--spacing-2xl) 0;
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.diferencial {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.diferencial:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.diferencial h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
}

.diferencial p {
    font-size: 0.95rem;
    opacity: 0.95;
}

/* ============================================
   SEÇÃO CTA
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a1a 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0;
    text-align: center;
}

.cta-section h2::after {
    background: var(--color-primary);
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   SEÇÃO CONTATO
   ============================================ */
.contato {
    padding: var(--spacing-2xl) 0;
    background: var(--color-light);
}

.contato-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contato-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-dark);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid #ddd;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 195, 0, 0.1);
}

.contato-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-item {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}

.info-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.info-item p {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a1a1a 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: #ccc;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #999;
}

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

    .hero {
        padding-top: var(--spacing-xl);
    }

    .hero-image {
        order: -1;
    }

    .produto-info h3 {
        font-size: 1.7rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .header {
        padding: 20px 0 8px 0;
    }

    .header .container {
        display: flex;
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        gap: 0;
        padding: 0 var(--spacing-md);
    }

    .logo {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .logo-image {
        height: 60px;
        width: auto;
        display: block;
    }

    .nav {
        display: none;
    }

    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        margin: -15px 0 0 auto;
        padding: 0;
    }

    .mobile-menu {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }

    .hero .container,
    .produto-card,
    .contato-content {
        gap: var(--spacing-xl);
    }

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

    .hero-content > p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero .cta-primary,
    .cta-section .cta-secondary {
        width: 100%;
        max-width: 20rem;
    }

    .produto-card,
    .passo,
    .beneficio-card,
    .diferencial,
    .info-item,
    .precaucoes {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .logo {
        gap: var(--spacing-sm);
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }

    .logo-main {
        font-size: 1.1rem;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content > p,
    .cta-section p {
        font-size: 1rem;
    }

    .product-bottle {
        width: 160px;
        height: 240px;
    }

    .hero-product-image,
    .produto-foto {
        width: 100%;
    }

    .bottle-grande {
        width: 130px;
        height: 220px;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        padding-inline: var(--spacing-lg);
    }
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .produto-card {
        grid-template-columns: 1fr;
    }
    
    .contato-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .mobile-menu.active {
        display: flex;
    }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content > p {
        font-size: 1rem;
    }
    
    .produtos h2,
    .beneficios h2,
    .modo-uso h2,
    .diferenciais h2,
    .cta-section h2,
    .contato h2 {
        font-size: 1.8rem;
    }
    
    .hero,
    .cta-section {
        padding: var(--spacing-xl) 0;
    }
    
    .beneficio-number {
        font-size: 2rem;
    }
    
    .product-bottle {
        width: 120px;
        height: 180px;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-content h1 {
        font-size: 1.5rem;
    }
    
    .hero .container {
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }
    
    .cta-primary,
    .cta-secondary {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    .produto-card,
    .contato-content {
        padding: var(--spacing-lg);
    }
    
    .produtos h2,
    .beneficios h2,
    .modo-uso h2,
    .diferenciais h2,
    .cta-section h2,
    .contato h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .beneficios-grid,
    .modo-uso-grid,
    .diferenciais-grid {
        gap: var(--spacing-md);
    }
}

/* ============================================
   ANIMAÇÕES E TRANSIÇÕES
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.beneficio-card,
.passo,
.diferencial {
    animation: fadeInUp 0.6s ease-out;
}

/* Stagger animation for grid items */
.beneficios-grid .beneficio-card:nth-child(1) { animation-delay: 0.1s; }
.beneficios-grid .beneficio-card:nth-child(2) { animation-delay: 0.2s; }
.beneficios-grid .beneficio-card:nth-child(3) { animation-delay: 0.3s; }
.beneficios-grid .beneficio-card:nth-child(4) { animation-delay: 0.4s; }