/* =============================================
   BLOG 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;
}

/* =============================================
   BASE STYLES
   ============================================= */
*, *::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 texture */
.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 {
    text-decoration: none;
    color: inherit;
}

/* =============================================
   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;
}

.logo:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: scale(1.05);
}

.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;
}

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

.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;
}

/* =============================================
   PAGE HEADER
   ============================================= */
.page-header {
    padding: 160px 48px 80px;
    border-bottom: 1px solid var(--color-border);
    background: linear-gradient(180deg, rgba(107, 138, 255, 0.05) 0%, transparent 100%);
}

.header-content {
    max-width: 900px;
    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;
}

.back-link:hover {
    gap: 12px;
}

.page-header h1 {
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 600;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-desc {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
}

/* =============================================
   TAGS FILTER
   ============================================= */
.tags-section {
    padding: 32px 48px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.tags-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    padding: 8px 16px;
    font-size: 0.8rem;
    font-weight: 500;
    font-family: var(--font-main);
    color: var(--color-text-secondary);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tag:hover {
    border-color: var(--color-accent);
    color: var(--color-text);
}

.tag.active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
}

.sort-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sort-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sort-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 500;
    font-family: var(--font-main);
    color: var(--color-text-tertiary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sort-btn:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text-secondary);
}

.sort-btn.active {
    background: var(--color-card);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* =============================================
   BLOG CONTENT
   ============================================= */
.blog-content {
    flex: 1;
    padding: 48px;
    background: var(--color-bg);
}

.posts-grid {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* =============================================
   POST CARD
   ============================================= */
.post-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.post-card {
    padding: 32px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.post-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-secondary) 100%);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.post-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.post-card:hover::before {
    transform: scaleY(1);
}

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

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

.post-reading {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    padding-left: 16px;
    border-left: 1px solid var(--color-border);
}

.post-title {
    font-size: 1.375rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--color-text);
    transition: color 0.2s;
}

.post-card:hover .post-title {
    color: var(--color-accent);
}

.post-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.post-stats {
    display: flex;
    gap: 24px;
    padding: 16px 0;
    margin-bottom: 16px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.post-tag {
    padding: 4px 12px;
    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: 12px;
}

/* =============================================
   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;
    }

    .page-header {
        padding: 120px 24px 48px;
    }

    .tags-section {
        padding: 24px;
    }

    .blog-content {
        padding: 24px;
    }

    .post-card {
        padding: 24px;
    }

    .post-title {
        font-size: 1.125rem;
    }

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

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}