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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #0f1f2e;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* HEADER COM MENU HORIZONTAL */
.header {
    background: #0a1520;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #00ff88;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.logo-text {
    color: #00ff88;
    font-size: 1.8rem;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0,255,136,0.5);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: #00ff88;
    border-bottom-color: #00ff88;
}

.audio-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.audio-btn {
    background: rgba(0,255,136,0.2);
    border: 2px solid #00ff88;
    color: #00ff88;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.audio-btn:hover {
    background: #00ff88;
    color: #0a1628;
    transform: scale(1.1);
}

.audio-btn.playing {
    background: #00ff88;
    color: #0a1628;
    animation: pulse-audio 2s infinite;
}

@keyframes pulse-audio {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,136,0.7); }
    50% { box-shadow: 0 0 0 10px rgba(0,255,136,0); }
}

/* HERO */
.hero {
    background: url('assets/header-rottri.png');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    padding: 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 2rem;
    width: 100%;
}

.cta-primary {
    background: #00ff88;
    color: #0a1628;
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 5px 20px rgba(0,255,136,0.6);
    text-transform: uppercase;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,255,136,0.8);
    background: #00cc6a;
}

.product-carousel {
    background: #0f1f2e;
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.product-card {
    background: rgba(26, 47, 62, 0.8);
    border-radius: 15px;
    overflow: hidden;
    border: 2px solid #00ff88;
    transition: transform 0.3s;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-card:hover {
    transform: translateY(-10px);
}

.product-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
    padding: 1rem;
}

.history-section {
    background: #1a2f3e;
    padding: 80px 0;
}

.history-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.timeline-item {
    background: rgba(0,255,136,0.1);
    padding: 2rem;
    border-left: 4px solid #00ff88;
    margin: 1rem 0;
    border-radius: 5px;
}

.values-section {
    background: #0f1f2e;
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: rgba(26, 47, 62, 0.8);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid #00ff88;
    text-align: center;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-10px);
}

.value-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.culture-section {
    background: linear-gradient(135deg, #1a2f3e 0%, #0f1f2e 100%);
    padding: 80px 0;
}

.phrase-card {
    background: rgba(0,255,136,0.1);
    padding: 2rem;
    border-left: 4px solid #00ff88;
    margin: 1.5rem 0;
    font-size: 1.3rem;
    font-style: italic;
    border-radius: 5px;
}

.pricing-section {
    background: #1a2f3e;
    padding: 80px 0;
}

.pricing-card {
    background: rgba(0,255,136,0.1);
    padding: 3rem;
    border-radius: 15px;
    border: 2px solid #00ff88;
    max-width: 600px;
    margin: 2rem auto;
    text-align: center;
}

.price-details {
    margin-top: 2rem;
    text-align: left;
}

.price-item {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.buy-btn {
    background: #00ff88;
    color: #0a1628;
    padding: 18px 50px;
    font-size: 1.3rem;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    margin-top: 2rem;
    text-transform: uppercase;
}

.buy-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,255,136,0.6);
    background: #00cc6a;
}

.contact-section {
    background: #0f1f2e;
    padding: 80px 0;
}

.contact-form {
    background: rgba(26, 47, 62, 0.8);
    padding: 3rem;
    border-radius: 15px;
    max-width: 600px;
    margin: 2rem auto 0;
    border: 2px solid #00ff88;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #00ff88;
    font-weight: bold;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #4a5a6a;
    border-radius: 5px;
    background: rgba(0,0,0,0.3);
    color: #ffffff;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #00ff88;
    box-shadow: 0 0 0 3px rgba(0,255,136,0.2);
}

.footer {
    background: #0a1520;
    padding: 60px 0 20px;
    border-top: 2px solid #00ff88;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: #00ff88;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section p,
.footer-section a {
    color: #c0c0c0;
    text-decoration: none;
    line-height: 1.8;
}

.footer-section a:hover {
    color: #00ff88;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5a6a;
    color: #c0c0c0;
}

.slogan {
    color: #00ff88;
    font-style: italic;
    margin-top: 1rem;
    font-size: 1.2rem;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 1000;
    box-shadow: 0 5px 20px rgba(37,211,102,0.5);
    cursor: pointer;
    transition: all 0.3s;
    animation: pulse 2s infinite;
    border: none;
}

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

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.7); }
    70% { box-shadow: 0 0 0 20px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }

    .nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.8rem;
        padding: 0.5rem 1rem;
        justify-content: space-between;
    }

    .logo-text {
        font-size: 1.5rem;
        width: 100%;
        text-align: center;
        margin-bottom: 0.5rem;
    }

    .nav-links {
        flex: 1;
        gap: 0.8rem;
        justify-content: center;
        flex-wrap: nowrap;
    }

    .nav-links li:not(.audio-controls) a {
        font-size: 0.75rem;
        padding: 0.3rem 0;
        white-space: nowrap;
    }

    .audio-controls {
        gap: 0;
        margin-left: auto;
    }

    .audio-btn {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }

    .hero {
        min-height: 350px;
        margin-top: 100px;
        background-image: url('assets/header-rottri-mobile.png');
        background-position: center center;
        background-size: cover;
    }

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

    .products-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

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

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}