/* CSS Variables - The Aesop Palette */
:root {
    --bg-color: #FAF6EE;
    --ink-navy: #1E2B4A;
    --accent-vermilion: #FF5C38;
    --hairline: #E4DDCC;
    
    --font-en-display: 'Fraunces', serif;
    --font-cn-display: 'Noto Serif SC', serif;
    --font-body: 'Inter', -apple-system, sans-serif;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-color);
    color: var(--ink-navy);
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fade-in {
    animation: fadeIn 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.container {
    max-width: 900px; /* Narrower max-width for editorial feel */
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 {
    font-weight: 400;
    color: var(--ink-navy);
}

.section-title {
    font-family: var(--font-cn-display);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--hairline);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Header */
.header {
    padding: 2rem 0;
    border-bottom: 1px solid var(--hairline);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    text-decoration: none;
    color: var(--ink-navy);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: color 0.3s;
}

.nav a:hover {
    color: var(--accent-vermilion);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
}

.headline {
    font-family: var(--font-cn-display);
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.en-title {
    font-family: var(--font-en-display);
    font-size: 3rem;
    font-style: italic;
    font-weight: 300;
    letter-spacing: -0.01em;
}

.intro {
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* Underlined Text Link CTA */
.cta-link, .text-link {
    display: inline-block;
    color: var(--ink-navy);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 400;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--ink-navy);
    transition: color 0.3s, border-color 0.3s;
}

.cta-link:hover, .text-link:hover {
    color: var(--accent-vermilion);
    border-color: var(--accent-vermilion);
}

/* Features - Typographic Index */
.features {
    padding: 4rem 0;
}

.index-list {
    border-top: 1px solid var(--hairline);
}

.index-item {
    display: flex;
    padding: 2rem 0;
    border-bottom: 1px solid var(--hairline);
}

.index-num {
    font-family: var(--font-en-display);
    font-size: 1rem;
    width: 60px;
    flex-shrink: 0;
    color: var(--ink-navy);
}

.index-content h3 {
    font-family: var(--font-cn-display);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.index-content p {
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 500px;
}

/* Pricing Table */
.pricing {
    padding: 4rem 0;
}

.table-container {
    overflow-x: auto;
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.pricing-table th {
    font-family: var(--font-cn-display);
    font-weight: 400;
    padding: 1rem 0;
    border-bottom: 1px solid var(--hairline);
    color: var(--ink-navy);
}

.pricing-table td {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--hairline);
}

.pricing-table i {
    font-family: var(--font-cn-display);
    color: var(--accent-vermilion);
    font-size: 0.85rem;
}

.table-link {
    text-decoration: none;
    color: var(--ink-navy);
    border-bottom: 1px solid var(--hairline);
    transition: all 0.3s;
    font-size: 0.9rem;
}

.table-link:hover {
    color: var(--accent-vermilion);
    border-color: var(--accent-vermilion);
}

.table-link.accent {
    color: var(--accent-vermilion);
    border-color: var(--accent-vermilion);
}

/* Reading / Links */
.reading {
    padding: 4rem 0;
}

.reading-content p {
    font-size: 1rem;
    line-height: 1.8;
    max-width: 700px;
}

/* Footer Colophon */
.footer {
    padding: 4rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--hairline);
    font-size: 0.85rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-colophon strong {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0.1em;
}

.small-text {
    margin-top: 0.5rem;
    color: rgba(30, 43, 74, 0.6);
}

.footer-nav {
    display: flex;
    gap: 1.5rem;
}

.footer-nav a {
    text-decoration: none;
    color: var(--ink-navy);
    transition: color 0.3s;
}

.footer-nav a:hover {
    color: var(--accent-vermilion);
}

/* Media Queries */
@media (max-width: 600px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
    
    .nav {
        gap: 1.25rem;
        flex-wrap: wrap;
    }
    
    .headline {
        font-size: 2rem;
    }
    
    .en-title {
        font-size: 2.25rem;
    }
    
    .index-item {
        flex-direction: column;
    }
    
    .index-num {
        margin-bottom: 1rem;
    }
    
    .footer-inner {
        flex-direction: column;
        gap: 2rem;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Article List & Cards */
.article-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--hairline);
    margin-bottom: 2rem;
}
.article-item {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--hairline);
    transition: transform 0.3s ease;
}
.article-meta {
    font-family: var(--font-en-display);
    font-size: 0.85rem;
    color: rgba(30, 43, 74, 0.6);
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.article-title {
    font-family: var(--font-cn-display);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}
.article-title a {
    color: var(--ink-navy);
    text-decoration: none;
    transition: color 0.3s;
}
.article-title a:hover {
    color: var(--accent-vermilion);
}
.article-excerpt {
    font-size: 0.95rem;
    color: rgba(30, 43, 74, 0.8);
    margin-bottom: 1.5rem;
    max-width: 750px;
    line-height: 1.7;
}
.read-more-btn {
    display: inline-block;
    font-size: 0.95rem;
    padding: 12px 24px;
    border: 1px solid var(--ink-navy);
    color: var(--ink-navy);
    text-decoration: none;
    transition: all 0.3s;
}
.read-more-btn:hover {
    border-color: var(--accent-vermilion);
    color: var(--accent-vermilion);
}
.view-all-articles {
    text-align: center;
    margin-top: 3rem;
}

/* Post Detailed Page */
.post-header {
    padding: 6rem 0 3rem;
    border-bottom: 1px solid var(--hairline);
    margin-bottom: 4rem;
}
.post-title {
    font-family: var(--font-cn-display);
    font-size: 2.5rem;
    margin: 1.5rem 0;
    line-height: 1.3;
}
.post-content {
    max-width: 720px;
    margin: 0 auto 6rem;
}
.post-content h2 {
    font-family: var(--font-cn-display);
    font-size: 1.6rem;
    margin: 3rem 0 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--hairline);
}
.post-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.8rem;
    color: #333;
}
.post-content b, .post-content strong {
    font-weight: 500;
}
.post-content a {
    color: var(--accent-vermilion);
    text-decoration: underline;
    text-decoration-color: var(--hairline);
    text-underline-offset: 4px;
    transition: text-decoration-color 0.3s;
}
.post-content a:hover {
    text-decoration-color: var(--accent-vermilion);
}

/* Floating Back Button */
.floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--ink-navy);
    color: var(--bg-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(30, 43, 74, 0.15);
    transition: transform 0.3s, background-color 0.3s;
    z-index: 1000;
}
.floating-btn:hover {
    transform: translateY(-5px);
    background-color: var(--accent-vermilion);
    color: var(--bg-color);
}

/* Hero Image */
.hero-image-wrapper {
    margin: 4rem auto 0;
    max-width: 650px;
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    /* Soften the image edges into the paper bg */
    mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
}
.hero-image {
    width: 100%;
    height: auto;
    display: block;
    mix-blend-mode: multiply;
}

/* Next Article Flow */
.next-article-nav {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid var(--hairline);
    text-align: center;
}
.next-article-nav .nav-label {
    font-family: var(--font-en-display);
    font-size: 0.85rem;
    color: rgba(30, 43, 74, 0.6);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.next-article-nav .next-title {
    font-family: var(--font-cn-display);
    font-size: 1.6rem;
    color: var(--ink-navy);
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
    line-height: 1.4;
}
.next-article-nav .next-title:hover {
    color: var(--accent-vermilion);
}