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

:root {
    --primary-color: #25D366;
    --dark-bg: #0F0F0F;
    --dark-card: #1A1A1A;
    --dark-border: #2A2A2A;
    --text-white: #FFFFFF;
    --text-gray: #B0B0B0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-white);
    line-height: 1.6;
}

/* Shipping Banner */
.shipping-banner {
    width: 100%;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
    font-size: 14px;
    position: sticky;
    top: 0;
    z-index: 30;
}

@media (min-width: 768px) {
    .shipping-banner {
        font-size: 16px;
        padding: 16px 24px;
    }
}

/* Header */
.header {
    background-color: var(--dark-bg);
    border-bottom: 1px solid var(--dark-border);
    padding: 8px 16px;
    position: sticky;
    top: 48px;
    z-index: 40;
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
}

.logo {
    height: 40px;
    object-fit: contain;
}

@media (min-width: 768px) {
    .header {
        padding: 12px 24px;
    }

    .logo {
        height: 56px;
    }
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 32px;
    }
}

/* WhatsApp Button - Fixed */
.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 12px 20px;
    border-radius: 50px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    z-index: 50;
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    animation: none;
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, var(--dark-bg), var(--dark-card));
    padding: 24px 16px;
}

@media (min-width: 768px) {
    .hero {
        padding: 48px 32px;
    }
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    max-width: 120px;
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

@media (min-width: 768px) {
    .hero-image {
        max-width: 384px;
    }
}

/* Envios Section */
.envios {
    background-color: var(--dark-bg);
    padding: 32px 16px;
}

@media (min-width: 768px) {
    .envios {
        padding: 64px 32px;
    }
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
    color: var(--text-white);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 36px;
        margin-bottom: 24px;
    }
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 32px;
    max-width: 672px;
    margin-left: auto;
    margin-right: auto;
}

/* Carousel */
.carousel-wrapper {
    position: relative;
    max-width: 896px;
    margin: 0 auto 32px;
}

.carousel-container {
    overflow: hidden;
    border-radius: 8px;
    background-color: var(--dark-card);
}

.carousel {
    display: flex;
    transition: transform 0.3s ease;
}

.carousel-item {
    min-width: 100%;
    aspect-ratio: 1;
    background-size: cover;
    background-position: center;
    background-color: var(--dark-border);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: var(--text-white);
    color: var(--dark-bg);
    border: none;
    padding: 8px 12px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-btn:hover {
    background-color: #E0E0E0;
}

.carousel-btn.prev {
    left: -24px;
}

.carousel-btn.next {
    right: -24px;
}

@media (min-width: 768px) {
    .carousel-btn.prev {
        left: -48px;
    }

    .carousel-btn.next {
        right: -48px;
    }
}

/* Carousel Indicators */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 32px;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #4A4A4A;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background-color: var(--text-white);
    width: 32px;
    border-radius: 4px;
}

/* CTA Button */
.cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    max-width: 400px;
    margin: 0 auto;
    display: flex;
}

.cta-button:hover {
    background-color: #1da851;
    transform: translateY(-2px);
}

/* Instagram Section */
.instagram {
    background-color: var(--dark-card);
    padding: 32px 16px;
    text-align: center;
}

@media (min-width: 768px) {
    .instagram {
        padding: 64px 32px;
    }
}

.instagram-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-white);
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 16px;
}

.instagram-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* Footer */
.footer {
    background-color: var(--dark-bg);
    border-top: 1px solid var(--dark-border);
    padding: 48px 16px;
    color: var(--text-white);
}

@media (min-width: 768px) {
    .footer {
        padding: 64px 32px;
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer-section p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 8px;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 12px;
}

.social-links a {
    color: var(--text-white);
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid var(--dark-border);
    padding-top: 32px;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-gray);
    font-size: 12px;
    margin: 8px 0;
}

/* Responsive */
@media (max-width: 640px) {
    .whatsapp-btn span {
        display: none;
    }

    .whatsapp-btn {
        padding: 12px 16px;
    }
}