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

:root {
    /* Paleta de cores baseada na logo da Eletrotubos */
    --primary: #0a4d8c;    /* Azul principal */
    --secondary: #1976d2;  /* Azul secundário */
    --accent: #ff9800;     /* Laranja/Amarelo */
    --dark: #002855;       /* Azul escuro */
    --light: #e6f2ff;      /* Azul claro */
    --text: #333333;       /* Texto escuro */
    --text-light: #ffffff; /* Texto claro */
    --gray: #f5f5f5;       /* Cinza claro */
    --shadow: rgba(10, 77, 140, 0.15); /* Sombra baseada na cor primária */
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--primary);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 2rem auto;
    padding: 2.5rem;
    background-color: rgb(255 255 255);
    border-radius: 20px;
    box-shadow: 0 15px 35px var(--shadow);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
}

header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo img {
    max-width: 280px;
    height: auto;
    /* filter: drop-shadow(0 4px 8px var(--shadow)); */
}

main {
    padding: 1rem 0;
}

.content {
    text-align: center;
}

.hero-section {
    margin-bottom: 3rem;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.highlight {
    color: var(--accent);
    position: relative;
}

.divider {
    height: 5px;
    width: 100px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 1.5rem auto;
    border-radius: 3px;
}

.message {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text);
    font-weight: 500;
}

.submessage {
    font-size: 1.2rem;
    color: var(--secondary);
    margin-bottom: 2rem;
}

/* Contador regressivo */
.countdown-section {
    margin: 3rem 0;
}

.countdown-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.countdown-item {
    background: linear-gradient(145deg, var(--primary), var(--dark));
    color: var(--text-light);
    padding: 1.5rem;
    border-radius: 15px;
    min-width: 100px;
    box-shadow: 0 10px 20px var(--shadow);
    position: relative;
    overflow: hidden;
}

.countdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.1), transparent);
    z-index: 0;
}

.countdown-item span {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
    position: relative;
    z-index: 1;
}

.countdown-item p {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.5rem;
    opacity: 0.9;
    position: relative;
    z-index: 1;
}

/* Seção de contato */
.contact-section {
    background-color: var(--gray);
    padding: 3rem;
    border-radius: 20px;
    margin: 3rem 0;
    box-shadow: 0 10px 25px var(--shadow);
    position: relative;
    overflow: hidden;
}

.contact-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, transparent 50%, rgba(10, 77, 140, 0.05) 50%);
    border-radius: 0 0 20px 0;
}

.contact-section h2 {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 1.1rem;
    padding: 1.2rem;
    border-radius: 15px;
    background-color: white;
    box-shadow: 0 8px 20px var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px var(--shadow);
}

.contact-icon {
    background: linear-gradient(145deg, var(--primary), var(--secondary));
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
}

.contact-text {
    flex: 1;
    text-align: left;
}

.contact-text h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.contact-text span {
    color: var(--text);
    font-size: 1rem;
}

.contact-item .fa-whatsapp {
    color: white;
}

.whatsapp-btn {
    background: linear-gradient(145deg, #25D366, #128C7E);
    color: white;
    padding: 0.8rem 1.2rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 5px 15px rgba(18, 140, 126, 0.3);
}

.whatsapp-btn:hover {
    background: linear-gradient(145deg, #128C7E, #075E54);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(18, 140, 126, 0.4);
}

footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(10, 77, 140, 0.1);
    color: var(--text);
}

.developer {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.developer p {
    font-size: 0.9rem;
    color: var(--primary);
    opacity: 0.8;
}

.developer img {
    max-width: 130px;
    height: auto;
    filter: drop-shadow(0 3px 6px var(--shadow));
    transition: transform 0.3s ease;
}

.developer img:hover {
    transform: scale(1.05);
}

/* Responsividade */
@media (max-width: 992px) {
    .container {
        margin: 1.5rem;
        padding: 2rem;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    .countdown-container {
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 1.2rem;
    }
    
    .countdown-item span {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1.8rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .message {
        font-size: 1.3rem;
    }
    
    .submessage {
        font-size: 1rem;
    }
    
    .contact-section {
        padding: 2rem;
    }
    
    .contact-item {
        flex-wrap: wrap;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-btn {
        margin-top: 1rem;
        margin-left: auto;
    }
    
    .countdown-container {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .countdown-item {
        min-width: 100px;
        flex: 1 0 40%;
        margin-bottom: 1rem;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    .logo img {
        max-width: 200px;
    }
    
    .contact-section h2 {
        font-size: 1.8rem;
    }
    
    .contact-item {
        padding: 1rem;
    }
    
    .whatsapp-btn {
        width: 100%;
        justify-content: center;
        margin-left: 0;
    }
    
    .countdown-item {
        flex: 1 0 100%;
        max-width: 150px;
    }
    
    .countdown-item span {
        font-size: 1.8rem;
    }
}