/* 
   "Porcelain Fox" Theme
   Colors: Porcelain White, Graphite, Fox Brown, Light Mist
*/

:root {
    --bg: #F7F7F5;
    --text: #23211E;
    --accent: #B4654A;
    --line: #E4E2DC;
    --transition: 300ms ease;
}

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

body {
    font-family: 'Sora', 'Noto Sans SC', sans-serif;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

/* Typography Details */
h1, h2, h3, h4 {
    font-weight: 500;
    color: var(--text);
}

/* Tabular figures for numbers */
.price, .price span {
    font-variant-numeric: tabular-nums;
}

/* Layout System: Strict 12-column Grid */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 40px;
}

.grid-12 {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

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

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

/* Dividers (Hairlines) */
.hairline-bottom {
    border-bottom: 1px solid var(--line);
}
.hairline-top {
    border-top: 1px solid var(--line);
}

/* Enormous Margins */
section {
    padding: 140px 0;
}

/* Header */
.header {
    padding: 24px 0;
    background-color: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.nav a {
    font-size: 0.95rem;
    position: relative;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border: 1px solid var(--text);
    border-radius: 12px;
    background: transparent;
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn:hover {
    background: var(--text);
    color: var(--bg);
    transform: translateY(-2px); /* Gentle rise */
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.05rem;
}

.block-btn {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 32px;
}

/* Hero Section */
.hero {
    padding: 180px 0 200px;
}

.hero .title {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 32px;
    letter-spacing: -0.02em;
}

/* Animated Underline for Keyword */
.hero-keyword {
    position: relative;
    display: inline-block;
    color: var(--text);
}

.hero-keyword::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    animation: drawLine 1s ease forwards 0.3s;
}

@keyframes drawLine {
    to { width: 100%; }
}

.hero .subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 48px;
    color: var(--text);
    opacity: 0.8;
}

.hero-links {
    margin-top: 24px;
}

.text-link {
    font-size: 0.95rem;
    color: var(--text);
    border-bottom: 1px solid var(--text);
    padding-bottom: 2px;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.text-link:hover {
    opacity: 1;
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Section Headers */
.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.6;
}

/* Features */
.feature-item {
    padding-top: 32px;
    transition: transform var(--transition);
}

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

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.feature-item p {
    opacity: 0.75;
}

/* Pricing */
.pricing-item {
    padding-top: 32px;
    transition: transform var(--transition);
}

.pricing-item:hover {
    transform: translateY(-8px);
}

.pricing-header {
    margin-bottom: 32px;
}

.pricing-header h3 {
    font-size: 1.2rem;
}

.accent-text {
    color: var(--accent) !important;
}

.price {
    font-size: 3rem;
    font-weight: 400;
    margin-top: 8px;
}

.price span {
    font-size: 1rem;
    opacity: 0.5;
}

.pricing-features {
    list-style: none;
}

.pricing-features li {
    padding: 16px 0;
    font-size: 0.95rem;
    opacity: 0.8;
}

/* FAQ */
.faq-item {
    padding: 32px 0;
}

.faq-item h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.faq-item p {
    opacity: 0.75;
    max-width: 800px;
}

/* Footer */
.footer {
    padding: 80px 0;
}

.footer-links {
    display: flex;
    gap: 32px;
    margin-bottom: 24px;
}

.footer-links a {
    font-size: 0.95rem;
    opacity: 0.7;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--text);
}

.footer-copy {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .container {
        padding: 0 24px;
    }
    
    .hero .title {
        font-size: 3rem;
    }
    
    .nav {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .grid-12 {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    
    .header .grid-12 {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .nav {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
    }
    
    .actions {
        width: 100%;
        text-align: left;
    }
    
    .hero {
        padding: 100px 0 120px;
    }
    
    .hero .title {
        font-size: 2.5rem;
    }
    
    section {
        padding: 80px 0;
    }
    
    .feature-item, .pricing-item {
        padding-top: 24px;
    }
    
    .feature-item:hover, .pricing-item:hover {
        transform: none; /* Disable hover float on mobile */
    }
}

/* News Section */
.news-section { padding: 140px 0; }
.news-card { padding-top: 32px; transition: transform var(--transition); }
.news-card:hover { transform: translateY(-8px); }
.news-meta { font-size: 0.85rem; opacity: 0.6; margin-bottom: 12px; letter-spacing: 0.05em; font-variant-numeric: tabular-nums; }
.news-card h3 { font-size: 1.25rem; margin-bottom: 16px; line-height: 1.4; }
.news-card p { opacity: 0.75; margin-bottom: 24px; font-size: 0.95rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Article Page Details */
.article-header { padding: 80px 0 60px; text-align: center; }
.article-header h1 { font-size: 2.5rem; line-height: 1.3; margin-bottom: 24px; }
.article-meta { opacity: 0.6; font-size: 0.95rem; display: flex; justify-content: center; gap: 24px; }
.article-content { max-width: 800px; margin: 0 auto; padding-bottom: 120px; font-size: 1.05rem; }
.article-content h2 { font-size: 1.8rem; margin: 48px 0 24px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.article-content h3 { font-size: 1.4rem; margin: 32px 0 16px; }
.article-content p { margin-bottom: 20px; color: #444; }
.article-content ul, .article-content ol { margin-bottom: 20px; padding-left: 24px; }
.article-content li { margin-bottom: 10px; }
.article-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { opacity: 0.8; }

/* Floating Action Button */
.fab-container {
    position: fixed;
    bottom: 40px;
    right: 40px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}
.fab-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--bg);
    border: 1px solid var(--line);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text);
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all var(--transition);
}
.fab-btn:hover {
    background-color: var(--text);
    color: var(--bg);
    transform: translateY(-4px);
}
/* Hero Image Styling */
.hero-visual img {
    width: 100%;
    border-radius: 16px;
    mix-blend-mode: multiply;
    animation: floatImage 6s ease-in-out infinite;
}
@keyframes floatImage {
    0% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0); }
}
/* Next Article Navigation */
.next-article-nav {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
    text-align: center;
}
.next-article-nav h4 {
    font-size: 0.95rem;
    opacity: 0.6;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}
.next-article-nav a {
    font-size: 1.25rem;
    color: var(--text);
    font-weight: 500;
}
.next-article-nav a:hover {
    color: var(--accent);
}

/* Credibility Enhancements */
.trust-badges { display: flex; gap: 24px; margin-bottom: 32px; opacity: 0.7; font-size: 0.85rem; font-weight: 500; }
.trust-badges span { display: flex; align-items: center; gap: 6px; }
.social-signals { display: flex; justify-content: center; gap: 32px; margin-top: 32px; padding-top: 32px; border-top: 1px solid var(--line); }
.social-signals a { font-size: 1.4rem; opacity: 0.6; transition: opacity var(--transition); font-weight: bold; }
.social-signals a:hover { opacity: 1; color: var(--accent); }
.company-info { font-size: 0.85rem; opacity: 0.6; margin-top: 16px; line-height: 1.8; }