:root {
    --cream: #F5F0EB;
    --dark-brown: #3D2B1F;
    --rust: #D4845A;
    --forest-green: #2D5016;
    --gray-text: #9B9B9B;
    --white: #FFFFFF;

    --font-serif: 'Noto Serif TC', serif;
    --font-sans: 'Noto Sans TC', sans-serif;
    --font-playfair: 'Playfair Display', serif;
    --font-inter: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--dark-brown);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

/* --------------- Header --------------- */
.header {
    background-color: var(--cream);
    width: 100%;
    height: 80px;
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    object-fit: cover;
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-brown);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a:not(.cta-nav) {
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--forest-green);
    transition: color 0.3s ease;
}

.nav-links a:hover:not(.cta-nav) {
    color: var(--rust);
}

.cta-nav {
    background-color: var(--rust);
    color: var(--white);
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.cta-nav:hover {
    transform: translateY(-2px);
    background-color: #bb6b42;
}

/* --------------- Hero Section --------------- */
.hero {
    background-color: var(--cream);
    padding: 80px 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 80px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 64px;
    font-weight: 700;
    color: var(--dark-brown);
    line-height: 1.2;
}

.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 20px;
    color: var(--forest-green);
    line-height: 1.6;
    max-width: 480px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 40px;
    border-radius: 32px;
    font-size: 18px;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.primary-btn {
    background-color: var(--rust);
    color: var(--white);
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 132, 90, 0.3);
}

.hero-image {
    flex: 1;
    max-width: 480px;
    height: 480px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(61, 43, 31, 0.08);
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.03);
}

/* --------------- About & Features Section --------------- */
.about {
    background-color: var(--white);
    padding: 100px 0;
    display: flex;
    justify-content: center;
}

.about-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 64px;
}

.about-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.section-label {
    font-family: var(--font-inter);
    font-size: 13px;
    font-weight: 600;
    color: var(--rust);
    letter-spacing: 3px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--dark-brown);
}

.divider {
    width: 60px;
    height: 3px;
    background-color: var(--rust);
    border-radius: 2px;
}

.about-p1 {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--forest-green);
    line-height: 2;
    max-width: 700px;
    margin-top: 8px;
}

.about-p2 {
    font-family: var(--font-sans);
    font-size: 18px;
    color: var(--gray-text);
    line-height: 2;
    max-width: 700px;
}

.features-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    width: 100%;
    flex-wrap: wrap;
}

.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 16px;
    width: 300px;
    padding: 32px 24px;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
}

.feature-icon {
    font-size: 40px;
    color: var(--rust);
    margin-bottom: 8px;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--dark-brown);
}

.feature-desc {
    font-family: var(--font-sans);
    font-size: 15px;
    color: var(--gray-text);
    line-height: 1.8;
}

/* --------------- Episodes Section --------------- */
.episodes {
    background-color: var(--cream);
    padding: 100px 0;
    display: flex;
    justify-content: center;
}

.episodes-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.episodes-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.episodes-subtitle {
    font-family: var(--font-sans);
    font-size: 17px;
    color: var(--gray-text);
}

.cards-grid {
    display: flex;
    justify-content: center;
    gap: 32px;
    width: 100%;
    flex-wrap: wrap;
    margin-top: 20px;
}

.episode-card {
    background-color: var(--white);
    border: 1px solid #E8E3DD;
    border-radius: 16px;
    width: 360px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.episode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(61, 43, 31, 0.05);
}

.card-image {
    width: 100%;
    height: 360px;
    overflow: hidden;
    background-color: var(--cream);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.episode-card:hover .card-image img {
    transform: scale(1.05);
}

.card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--dark-brown);
}

.card-eng {
    font-family: var(--font-playfair);
    font-size: 13px;
    font-weight: 600;
    color: var(--rust);
}

.card-desc {
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--gray-text);
    line-height: 1.8;
}

.card-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--cream);
    color: var(--rust);
    padding: 10px 20px;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    width: fit-content;
    margin-top: 8px;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.card-btn .material-symbols-rounded {
    font-size: 16px;
}

.card-btn:hover {
    background-color: #EFE8E0;
    transform: scale(1.02);
}

/* --------------- Platforms Section --------------- */
.platforms {
    background-color: var(--white);
    padding: 80px 0;
    display: flex;
    justify-content: center;
}

.platforms-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.platforms-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.platform-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.platform-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background-color: var(--cream);
    padding: 14px 32px;
    border-radius: 12px;
    border: 1px solid #E8E3DD;
    font-family: var(--font-inter);
    font-size: 15px;
    font-weight: 600;
    color: var(--dark-brown);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.platform-btn:hover {
    transform: translateY(-2px);
    border-color: var(--rust);
    box-shadow: 0 4px 12px rgba(212, 132, 90, 0.1);
}

.logo-apple {
    color: var(--dark-brown);
}

.logo-spotify {
    color: var(--forest-green);
}

.logo-youtube {
    color: var(--rust);
}

/* --------------- Subscribe Section --------------- */
.subscribe {
    background-color: #121212;
    padding: 100px 0;
    display: flex;
    justify-content: center;
}

.subscribe-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    text-align: center;
}

.sub-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 700;
    color: var(--cream);
}

.sub-desc {
    font-family: var(--font-sans);
    font-size: 16px;
    color: var(--gray-text);
}

.sub-form {
    display: flex;
    align-items: center;
    margin-top: 8px;
    width: 100%;
    max-width: 440px;
}

.sub-form input {
    flex: 1;
    height: 52px;
    background-color: #1E1E1E;
    border: 1px solid #333333;
    border-right: none;
    border-radius: 8px 0 0 8px;
    padding: 0 20px;
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s ease;
}

.sub-form input:focus {
    border-color: var(--rust);
}

.sub-form input::placeholder {
    color: #666666;
}

.sub-form button {
    height: 52px;
    background-color: var(--rust);
    color: var(--white);
    border: none;
    border-radius: 0 8px 8px 0;
    padding: 0 32px;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.sub-form button:hover {
    background-color: #bb6b42;
}

/* --------------- Footer --------------- */
.footer {
    background-color: #0A0A0A;
    padding: 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 80px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-line {
    width: 100%;
    height: 1px;
    background-color: #222222;
}

.footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-top: 16px;
}

.footer-copy {
    font-family: var(--font-inter);
    font-size: 13px;
    color: #666666;
}

.footer-slogan {
    font-family: var(--font-serif);
    font-size: 13px;
    color: var(--gray-text);
}

/* --------------- Responsive Design Basics --------------- */
@media (max-width: 1024px) {

    .header-container,
    .hero-container,
    .about-container,
    .episodes-container,
    .platforms-container,
    .subscribe-container,
    .footer-container {
        padding: 0 40px;
    }

    .hero-container {
        gap: 40px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-image {
        max-width: 400px;
        height: 400px;
    }
}

@media (max-width: 768px) {

    .header-container,
    .hero-container,
    .about-container,
    .episodes-container,
    .platforms-container,
    .subscribe-container,
    .footer-container {
        padding: 0 24px;
    }

    .nav-links a:not(.cta-nav) {
        display: none;
    }

    .hero-container {
        flex-direction: column;
        text-align: center;
        padding-top: 40px;
    }

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

    .hero-title {
        font-size: 40px;
    }

    .episode-card {
        width: 100%;
        max-width: 360px;
    }

    .feature-card {
        width: 100%;
        max-width: 300px;
    }

    .card-image {
        height: auto;
        aspect-ratio: 1 / 1;
    }

    .footer-row {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}