/* ===== CSS Variables ===== */
:root {
    --color-primary: #FF8C42;
    --color-primary-light: #FFD166;
    --color-primary-dark: #E67A35;
    --color-accent: #FFE5EC;
    --color-accent-light: #FFF8E7;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-text-lighter: #A0AEC0;
    --color-white: #FFFFFF;
    --color-line: #06C755;
    --color-bg: #FFFBF7;
    --color-card: #FFFFFF;

    --font-sans: 'Noto Sans TC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-soft: 0 4px 20px rgba(255, 140, 66, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --transition: all 0.3s ease;
}

/* ===== Reset ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
}

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

ul {
    list-style: none;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 251, 247, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-line);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--transition);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-cta .icon-line {
    width: 18px;
    height: 18px;
}

/* ===== Section Common ===== */
.section-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--color-text);
}

/* ===== Hero Section ===== */
.hero {
    padding-top: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.hero-eyebrow {
    font-size: 0.875rem;
    color: var(--color-primary);
    font-weight: 500;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.9;
    max-width: 500px;
}

.hero-description strong {
    color: var(--color-text);
    font-weight: 600;
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 2rem;
    background: var(--color-line);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    margin-top: 0.5rem;
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.hero-cta .icon-line {
    width: 22px;
    height: 22px;
}

.hero-note {
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
}

/* ===== How it Works ===== */
.how-it-works {
    background: var(--color-white);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1rem;
}

.step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.step-content p {
    color: var(--color-text-light);
    font-size: 0.9375rem;
}

/* ===== What You Get ===== */
.what-you-get {
    background: var(--color-bg);
}

.content-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.content-card {
    text-align: center;
}

.content-preview {
    height: 180px;
    border-radius: var(--radius-lg);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.video-preview {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.image-preview {
    background: linear-gradient(135deg, #FFE5EC 0%, #FFF8E7 50%, #E8F4FD 100%);
}

.audio-preview {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.preview-overlay {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.preview-overlay svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
    margin-left: 3px;
}

.preview-label {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.9);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text);
}

.audio-waves {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 40px;
}

.audio-waves span {
    width: 4px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    animation: wave 1s ease-in-out infinite;
}

.audio-waves span:nth-child(1) { height: 20px; animation-delay: 0s; }
.audio-waves span:nth-child(2) { height: 35px; animation-delay: 0.1s; }
.audio-waves span:nth-child(3) { height: 25px; animation-delay: 0.2s; }
.audio-waves span:nth-child(4) { height: 40px; animation-delay: 0.3s; }
.audio-waves span:nth-child(5) { height: 20px; animation-delay: 0.4s; }

@keyframes wave {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.5); }
}

.content-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
    padding: 0 0.5rem;
}

/* ===== Story Section ===== */
.story-section {
    background: var(--color-white);
}

.story-card {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
}

.story-card blockquote {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text);
    font-style: italic;
    margin-bottom: 1rem;
}

.story-author {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* ===== Pricing Section ===== */
.pricing-section {
    background: var(--color-bg);
}

.pricing-section .section-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    max-width: 400px;
    width: 100%;
}

.pricing-intro {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.price-display {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.price-display .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
}

.price-display .amount {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.price-display .period {
    font-size: 1rem;
    color: var(--color-text-light);
}

.pricing-includes {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

.pricing-includes li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9375rem;
    color: var(--color-text);
}

.pricing-includes svg {
    width: 20px;
    height: 20px;
    color: var(--color-line);
    flex-shrink: 0;
}

.pricing-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    width: 100%;
    padding: 1rem 2rem;
    background: var(--color-line);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
}

.pricing-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pricing-cta .icon-line {
    width: 22px;
    height: 22px;
}

/* ===== QR Section ===== */
.qr-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.qr-code {
    width: 120px;
    height: 120px;
    padding: 10px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.qr-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f5f5;
    border-radius: var(--radius-sm);
}

.qr-placeholder svg {
    width: 70%;
    height: 70%;
    color: var(--color-text-light);
}

.qr-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.qr-text {
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
}

/* ===== FAQ Section ===== */
.faq-section {
    background: var(--color-white);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.faq-item {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.faq-item p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ===== Final CTA ===== */
.final-cta {
    background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
}

.cta-content {
    text-align: center;
    padding: 2rem 0;
}

.cta-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.cta-content p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.final-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 1rem 2rem;
    background: var(--color-line);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.final-cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.final-cta-button .icon-line {
    width: 22px;
    height: 22px;
}

/* ===== Footer ===== */
.footer {
    padding: 2rem;
    background: var(--color-white);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-light);
    font-size: 0.875rem;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-links .divider {
    color: #e2e8f0;
}

.copyright {
    font-size: 0.8125rem;
    color: var(--color-text-lighter);
}

/* ===== Animations ===== */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .content-types {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .content-preview {
        height: 160px;
    }

    .step {
        gap: 1rem;
    }

    .step-number {
        width: 36px;
        height: 36px;
        font-size: 0.875rem;
    }

    .section-container {
        padding: 3rem 1.5rem;
    }

    .pricing-card {
        padding: 2rem 1.5rem;
    }

    .story-card {
        padding: 2rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.875rem 1rem;
    }

    .hero-title {
        font-size: 1.625rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero-cta,
    .pricing-cta,
    .final-cta-button {
        width: 100%;
        justify-content: center;
    }
}

/* ===== Legal Pages (Privacy, Terms) ===== */
.legal-page {
    padding-top: 100px;
    padding-bottom: 60px;
}

.legal-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.legal-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-date {
    color: var(--color-text-light);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.legal-content h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.legal-content p,
.legal-content li {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-content ul {
    padding-left: 1.5rem;
    list-style: disc;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-link:hover {
    transform: translateX(-4px);
}