/* Basic Styles */
body {
    font-family: sans-serif;
    margin: 0;
    background-color: #000;
    color: #fff;
    overflow-x: hidden;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 0;
    position: relative;
    width: 100%;
}

.hero-content {
    width: 100%;
    position: relative;
}

.title {
    font-size: 4rem;
    font-weight: bold;
    margin-bottom: 2rem;
    animation: fadeIn 2s ease-in-out;
    position: absolute;
    top: 5%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    z-index: 2;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    animation: slideInUp 1.5s ease-in-out;
}

.brand {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    animation: fadeIn 2.5s ease-in-out;
    position: absolute;
    bottom: 15%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    z-index: 2;
}

.model {
    font-size: 2rem;
    font-weight: normal;
    color: #aaa;
    animation: fadeIn 3s ease-in-out;
    position: absolute;
    bottom: 10%;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    z-index: 2;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Detail Section */
.detail {
    background-color: #0a0a0a;
}

.detail-content {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.detail-image {
    width: 400px;
    border-radius: 20px;
}

.detail-text h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.detail-text p {
    font-size: 1.5rem;
    color: #aaa;
}

/* Surging Sound Field Section */
.surging {
    background-image: url('../images/2.gif');
    background-size: cover;
    background-position: center;
    text-align: center;
}

.surging-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
}

.surging-title {
    font-size: 4rem;
    font-weight: bold;
}

.surging-title span {
    font-size: 2rem;
    font-weight: normal;
    color: #aaa;
    margin-left: 1rem;
}

.surging-subtitle {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.surging-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ccc;
}

.image-section {
    padding: 0;
}

.image-section img {
    width: 100%;
    height: auto;
    display: block;
}

/* Accurate Transmission Section */
.accurate {
    background-image: url('../images/4.gif');
    background-size: cover;
    background-position: center;
    text-align: center;
}

.accurate-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
}

.accurate-title {
    font-size: 4rem;
    font-weight: bold;
}

.accurate-title span {
    font-size: 2rem;
    font-weight: normal;
    color: #aaa;
    margin-left: 1rem;
}

.accurate-subtitle {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 2rem;
}

.accurate-description {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ccc;
}

/* Footer Section */
.footer {
    padding: 0;
    position: relative;
    width: 100%;
}

.footer-image-container {
    position: relative;
    width: 100%;
}

.footer-image {
    width: 100%;
    height: auto;
    display: block;
}

.footer-text {
    position: absolute;
    bottom: 3%;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 3rem;
    font-size: 0.9rem;
    color: #fff;
    z-index: 2;
}

.footer-left,
.footer-center,
.footer-right {
    font-weight: 300;
    letter-spacing: 0.5px;
}

.footer-left {
    text-align: left;
}

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

.footer-right {
    text-align: right;
}

/* Scroll Animations */
.section {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.section.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Hero Section Mobile */
    .hero {
        padding: 0;
    }

    .hero-content {
        width: 100%;
    }

    .title {
        font-size: 2rem;
        margin-bottom: 0;
        top: 3%;
    }

    .hero-image {
        width: 100%;
    }

    .brand {
        font-size: 1.8rem;
        margin-bottom: 0.3rem;
        bottom: 12%;
    }

    .model {
        font-size: 1.2rem;
        bottom: 7%;
    }

    /* Detail Section Mobile */
    .detail {
        padding: 2rem 1rem;
    }

    .detail-content {
        flex-direction: column;
        gap: 1.5rem;
        padding: 0;
    }

    .detail-image {
        width: 100%;
        max-width: 100%;
    }

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

    .detail-text h2 {
        font-size: 1.8rem;
        margin-bottom: 0.5rem;
    }

    .detail-text p {
        font-size: 1.2rem;
    }

    /* Surging Section Mobile */
    .surging-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }

    .surging-title,
    .accurate-title {
        font-size: 2rem;
    }

    .surging-title span,
    .accurate-title span {
        font-size: 1.2rem;
        margin-left: 0.5rem;
    }

    .surging-subtitle,
    .accurate-subtitle {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .surging-description,
    .accurate-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    /* Accurate Section Mobile */
    .accurate-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }

    /* Section Padding Mobile */
    .section {
        padding: 2rem 0;
    }

    /* Footer Mobile */
    .footer-text {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0 1.5rem;
        bottom: 2%;
        font-size: 0.75rem;
    }

    .footer-left,
    .footer-center,
    .footer-right {
        text-align: center;
        width: 100%;
    }
}

/* Extra Small Devices (phones, 480px and down) */
@media (max-width: 480px) {
    /* Hero Section Small Mobile */
    .hero {
        padding: 0;
    }

    .title {
        font-size: 1.6rem;
        margin-bottom: 0;
        top: 2%;
    }

    .hero-image {
        width: 100%;
    }

    .brand {
        font-size: 1.5rem;
        bottom: 10%;
    }

    .model {
        font-size: 1rem;
        bottom: 6%;
    }

    /* Detail Section Small Mobile */
    .detail {
        padding: 1.5rem 0.8rem;
    }

    .detail-text h2 {
        font-size: 1.5rem;
    }

    .detail-text p {
        font-size: 1rem;
    }

    /* Text Sections Small Mobile */
    .surging-content,
    .accurate-content {
        padding: 1.5rem 1rem;
        margin: 0 0.8rem;
    }

    .surging-title,
    .accurate-title {
        font-size: 1.6rem;
    }

    .surging-title span,
    .accurate-title span {
        font-size: 1rem;
    }

    .surging-subtitle,
    .accurate-subtitle {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .surging-description,
    .accurate-description {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    /* Footer Small Mobile */
    .footer-text {
        font-size: 0.7rem;
        padding: 0 1rem;
        bottom: 1.5%;
        gap: 0.3rem;
    }
}