/* =============================================
   BLOG POST PAGE - ADI DESAI
   ============================================= */

:root {
    --color-bg: #0a0a0a;
    --color-bg-elevated: #141414;
    --color-card: #1a1a1a;
    --color-border: #2a2a2a;
    --color-text: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-tertiary: #707070;
    --color-accent: #6b8aff;
    --color-accent-secondary: #a78bfa;

    --font-main: 'Sora', -apple-system, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.noise {
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.02;
    pointer-events: none;
    z-index: 1000;
}

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

a:hover {
    text-decoration: underline;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 48px;
    z-index: 900;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.logo {
    font-size: 1.25rem;
    font-weight: 600;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-accent);
    border-radius: 50%;
    color: var(--color-accent);
    background: var(--color-bg);
    transition: all 0.3s ease;
    text-decoration: none;
}

.logo:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.05);
    text-decoration: none;
}

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

.nav-right a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-secondary);
    transition: color 0.2s;
    text-decoration: none;
}

.nav-right a:hover {
    color: var(--color-text);
    text-decoration: none;
}

.nav-cta {
    padding: 10px 20px;
    border: 1px solid var(--color-accent);
    border-radius: 24px;
    color: var(--color-accent) !important;
}

.nav-cta:hover {
    background: var(--color-accent);
    color: var(--color-bg) !important;
}

/* Article Header */
.article-header {
    padding: 160px 48px 60px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(107, 138, 255, 0.05) 0%, transparent 100%);
}

.article-header-content {
    max-width: 720px;
    margin: 0 auto;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: 24px;
    transition: all 0.2s;
    text-decoration: none;
}

.back-link:hover {
    gap: 12px;
    text-decoration: none;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.article-date, .article-reading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
}

.article-reading {
    padding-left: 16px;
    border-left: 1px solid var(--color-border);
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--color-text);
}

.article-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.article-tag {
    padding: 6px 14px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-accent);
    background: rgba(107, 138, 255, 0.1);
    border: 1px solid rgba(107, 138, 255, 0.2);
    border-radius: 16px;
}

/* Key Stats */
.key-stats {
    padding: 32px 48px;
    background: var(--color-bg-elevated);
    border-bottom: 1px solid var(--color-border);
}

.key-stats-content {
    max-width: 720px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 32px;
}

.key-stat {
    text-align: center;
}

.key-stat-value {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.key-stat-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Article Content */
.article-content {
    flex: 1;
    padding: 60px 48px;
}

.article-body {
    max-width: 720px;
    margin: 0 auto;
}

.article-body h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 48px 0 20px;
    color: var(--color-text);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--color-text);
}

.article-body p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.article-body ul, .article-body ol {
    margin: 20px 0;
    padding-left: 24px;
    color: var(--color-text-secondary);
}

.article-body li {
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 12px;
}

.article-body blockquote {
    margin: 32px 0;
    padding: 24px 32px;
    background: var(--color-card);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 12px 12px 0;
}

.article-body blockquote p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text);
    margin: 0;
}

.article-body strong {
    color: var(--color-text);
    font-weight: 600;
}

/* Info Box */
.info-box {
    margin: 32px 0;
    padding: 24px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 12px;
}

.info-box-title {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.info-box ul {
    margin: 0;
    padding-left: 20px;
}

.info-box li {
    font-size: 0.95rem;
    margin-bottom: 8px;
}

/* Citation superscript */
.cite {
    font-size: 0.7em;
    vertical-align: super;
    line-height: 0;
    color: var(--color-accent);
    text-decoration: none;
    padding: 0 2px;
    transition: color 0.2s;
}

.cite:hover {
    color: var(--color-accent-secondary);
    text-decoration: none;
}

/* Sources */
.sources {
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.sources h2 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    border: none;
    padding: 0;
}

.sources ol {
    padding-left: 20px;
    counter-reset: source-counter;
    list-style: none;
}

.sources li {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    margin-bottom: 10px;
    position: relative;
    padding-left: 24px;
    counter-increment: source-counter;
}

.sources li::before {
    content: counter(source-counter) ".";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 500;
}

.sources li:target {
    background: rgba(107, 138, 255, 0.1);
    margin-left: -8px;
    padding-left: 32px;
    padding-top: 4px;
    padding-bottom: 4px;
    border-radius: 4px;
}

.sources a {
    color: var(--color-accent);
    word-break: break-word;
}

/* Persistent Back Button in Nav */
.nav-back {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-back:hover {
    color: var(--color-accent);
    gap: 10px;
    text-decoration: none;
}

.nav-back::before {
    content: '←';
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    z-index: 800;
}

.back-to-top:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
    text-decoration: none;
}

/* Footer */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 32px 48px;
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    background: var(--color-bg);
}

/* Responsive */
@media (max-width: 768px) {
    .nav {
        padding: 20px 24px;
    }

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

    .article-header {
        padding: 120px 24px 40px;
    }

    .key-stats {
        padding: 24px;
    }

    .article-content {
        padding: 40px 24px;
    }

    .article-body h2 {
        font-size: 1.5rem;
    }

    .footer {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 24px;
    }

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .nav-back {
        display: none;
    }
}