/* 1. FONTS */
/* swap helps text appear, min-heights below prevent shift when it does */
@font-face{font-family:'Poppins Fallback';src:local('Arial');ascent-override:90%;descent-override:22%;line-gap-override:0%;size-adjust:104%}
@font-face{font-family:Poppins;font-style:normal;font-weight:300;font-display:swap;src:url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLDz8Z1xlFd2JQEk.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Poppins;font-style:normal;font-weight:400;font-display:swap;src:url(https://fonts.gstatic.com/s/poppins/v20/pxiEyp8kv8JHgFVrJJfecg.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Poppins;font-style:normal;font-weight:600;font-display:swap;src:url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLEj6Z1xlFd2JQEk.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Poppins;font-style:normal;font-weight:700;font-display:swap;src:url(https://fonts.gstatic.com/s/poppins/v20/pxiByp8kv8JHgFVrLCz7Z1xlFd2JQEk.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* 2. VARIABLES & RESET */
:root{--primary-color:#00aaff;--background-color:#121212;--surface-color:#1e1e1e;--text-color:#e0e0e0;--text-color-secondary:#b0b0b0;--font-family:'Poppins','Poppins Fallback',sans-serif;--content-width:800px;}
*{margin:0;padding:0;box-sizing:border-box}

/* 3. CRITICAL LAYOUT & CLS FIX */
@media screen and (max-width:850px){
    .page-header-section, .featured-image-container, .article-container {
        padding-left: 1rem;
        padding-right: 1rem;
        width: 100%;
    }
}

/* 4. GENERAL STYLES */
html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:sans-serif;font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.7;overflow-x:hidden}

/* Title Slotting: Prevent shift when loading font */
h1 { font-size: 2.5rem; line-height: 1.2; margin: 0.67em 0; min-height: 1.2em; }

a{color:#ff3e00;text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-color)}

/* Progress Bar */
.progress-bar{position:fixed;top:0;left:0;width:0;height:4px;background:linear-gradient(90deg,var(--primary-color),#0077b6);z-index:1000;transition:width .1s linear}

/* Header */
.site-header nav{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 5%;background-color:var(--background-color);border-bottom:1px solid #2a2a2a;height:80px}
.logo{font-weight:700;font-size:1.5rem;color:#fff;text-decoration:none}
.nav-links{display:flex;justify-content:space-around;list-style:none}
.nav-links li{margin:0 1rem}.nav-links a{color:var(--text-color);font-weight:600;font-size:1rem;position:relative}.nav-links a::after{content:'';position:absolute;width:0;height:2px;background:var(--primary-color);bottom:-5px;left:50%;transform:translateX(-50%);transition:width .3s ease}.nav-links a:hover{color:#fff}.nav-links a:hover::after{width100%}
.burger{display:none;cursor:pointer;transition:opacity 0.3s ease}.burger div{width:25px;height:3px;background-color:var(--text-color);margin:5px;transition:all .3s ease}
body.menu-open .burger { opacity: 0; pointer-events: none; }
.nav-close-btn { display: none; position: absolute; top: 25px; right: 25px; background: transparent; border: none; color: #fff; font-size: 2.5rem; cursor: pointer; line-height: 1; z-index: 2002; }

/* Page Header & Meta - Pre-reserved Space */
.page-header-section{text-align:left;padding:3rem 0 1.5rem;max-width:var(--content-width);margin:0 auto; min-height: 200px;}
/* Breadcrumbs height reserved */
.breadcrumbs{font-size:.9rem;color:var(--text-color-secondary);margin-bottom:1rem;text-transform:capitalize; min-height: 1.5em; display:block; line-height: 1.5;}
.page-title{font-size:clamp(2rem,5vw,3rem);font-weight:700;margin-bottom:.8rem;line-height:1.2;color:#fff; min-height: 1.2em;}
/* Meta container reserved */
.page-meta{font-size:.95rem;color:var(--text-color-secondary);margin-bottom:2rem;display:flex;align-items:center;gap:12px;flex-wrap:wrap; min-height: 34px; line-height: 1.5;}
.page-meta img.auth-tiny{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--primary-color); background-color: #333; aspect-ratio: 1/1;}

/* Featured Image - STRICT 1200x628 Aspect Ratio (1.91:1) */
.featured-image-container {
    max-width: var(--content-width);
    margin: 0 auto 2.5rem;
    position: relative;
    width: 100%;
    /* Modern browsers use aspect-ratio to reserve space immediately */
    aspect-ratio: 1200 / 628;
    overflow: hidden;
    border-radius: 8px;
    background: #1a1a1a;
    display: block;
}

/* Fallback for browsers not supporting aspect-ratio - The Padding Hack (628/1200 = 52.33%) */
@supports not (aspect-ratio: 1200 / 628) {
    .featured-image-container {
        height: 0;
        padding-bottom: 52.3333%; 
    }
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    box-shadow: 0 8px 25px rgba(0,0,0,.3);
    border: 1px solid #333;
}

/* Ensure absolute positioning if padding hack is active */
@supports not (aspect-ratio: 1200 / 628) {
    .featured-image {
        position: absolute;
        top: 0;
        left: 0;
    }
}

/* Content Area */
.article-container{max-width:var(--content-width);margin:0 auto 4rem;min-height:50vh}
.article-container h2{font-size:1.9rem;font-weight:600;margin-top:2.5rem;margin-bottom:1rem;color:#fff;border-left:4px solid var(--primary-color);padding-left:15px;line-height:1.3}
.article-container h3{font-size:1.5rem;font-weight:600;margin-top:2rem;margin-bottom:1rem;color:#fff}
.article-container p{margin-bottom:1.5rem;font-size:1.15rem;color:#d6d6d6;line-height:1.8}
.article-container ul,.article-container ol{margin-left:2rem;margin-bottom:1.5rem}.article-container li{margin-bottom:.75rem;padding-left:.5rem;color:#d6d6d6;font-size:1.1rem}.article-container strong{color:var(--primary-color);font-weight:600}
.article-container img{max-width:100%;height:auto;border-radius:8px;margin:2rem 0;display:block}
.article-container iframe{max-width:100%}
.article-container blockquote{border-left:4px solid var(--primary-color);background:#1a1a1a;padding:1.5rem;margin:1.5rem 0;font-style:italic;color:#e0e0e0;border-radius:0 8px 8px 0}

/* Author Box */
.author-bio{margin-top:4rem;padding:2rem;background-color:var(--surface-color);border-radius:12px;display:flex;align-items:center;gap:1.5rem;border:1px solid #333}
.author-bio img{width:100px;height:100px;border-radius:50%;object-fit:cover;border:2px solid var(--primary-color); background: #333; aspect-ratio: 1/1;}
.author-bio h3{margin:0 0 .5rem;font-size:1.4rem;color:#fff}.author-bio p{font-size:.95rem;color:var(--text-color-secondary);margin-bottom:1rem}
.author-socials-list a{color:var(--text-color-secondary);font-size:1.2rem;margin-right:10px}
.author-socials-list a:hover{color:var(--primary-color)}

/* Footer */
.site-footer{background-color:#0c0c0c;color:var(--text-color-secondary);padding:3rem 5%;margin-top:4rem;border-top:1px solid #2a2a2a}
.footer-container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:2rem;margin-bottom:2rem}
.footer-nav a{color:var(--text-color-secondary);margin-right:1.5rem}.footer-nav a:hover{color:var(--primary-color)}
.footer-social a{color:var(--text-color-secondary);font-size:1.4rem;margin-left:1rem}.footer-social a:hover{color:var(--primary-color)}
.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid #2a2a2a;font-size:.9rem}

/* Animation */
[data-animate]{opacity:0;transition:opacity .6s ease-out,transform .6s ease-out}.article-container [data-animate]{transform:translateY(30px)}[data-animate].is-visible{opacity:1;transform:translateY(0)}

/* Mobile Menu Overlay */
@media screen and (max-width:768px){
    .nav-links{
        position:fixed;top:0;right:0;width:100%;height:100vh;
        background:rgba(18,18,18,0.98);backdrop-filter:blur(10px);
        display:flex;flex-direction:column;align-items:center;justify-content:center;
        transform:translateX(100%);transition:transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index:2000;will-change:transform;
        gap: 2rem;
    }
    .nav-links.nav-active{transform:translateX(0)}
    .nav-links li{margin:0;opacity:0;transform:translateY(20px);transition:all 0.4s ease 0.1s}
    .nav-links.nav-active li{opacity:1;transform:translateY(0)}
    .nav-links a{font-size:1.5rem;font-weight:700}
    
    .burger{display:block;z-index:2001}
    .nav-close-btn{display:block}
    .page-title{font-size:2rem}
    .author-bio{flex-direction:column;text-align:center}
    .footer-container{flex-direction:column;align-items:flex-start}
}

/* Ads */
.ad-unit{margin:2rem auto;text-align:center;clear:both;max-width:100%;overflow:hidden;background:transparent;display:flex;align-items:center;justify-content:center}
.ad-sticky-left{position:fixed;top:100px;left:10px;width:160px;height:600px;z-index:90}
.ad-sticky-right{position:fixed;top:100px;right:10px;width:160px;height:600px;z-index:90}
.ad-sticky-footer{position:fixed;bottom:0;left:0;width:100%;background:#000;z-index:999;display:flex;flex-direction:column;align-items:center;padding:10px;border-top:1px solid #333}
.ad-close{align-self:flex-end;background:#333;color:#fff;border:1px solid #555;cursor:pointer;padding:2px 8px;font-size:12px;margin-bottom:5px}
@media(max-width:1200px){.ad-sticky-left,.ad-sticky-right{display:none}}
@media(max-width:768px){.ad-sticky-footer{height:auto;padding:5px}.ad-sticky-footer img{max-width:100%;height:auto}}