/*
Theme Name: TechAI Blog
Theme URI: https://example.com/techai-blog
Author: Jonat
Author URI: https://example.com
Description: Tema dark tech premium para blog de IA, trading algoritmico y blockchain. Diseno magazine con market data en vivo.
Version: 2.0.0
License: MIT License
License URI: https://opensource.org/licenses/MIT
Text Domain: techai
Tags: dark-theme, blog, finance, crypto, ai, responsive, one-column, two-columns
*/

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg-primary: #060812;
    --bg-secondary: #0c1020;
    --bg-card: #111730;
    --bg-card-hover: #151d3a;
    --accent-cyan: #00e5ff;
    --accent-green: #00ff88;
    --accent-purple: #b24bf3;
    --accent-red: #ff3366;
    --text-primary: #f1f5f9;
    --text-secondary: #8892a4;
    --text-muted: #5a6478;
    --border-color: rgba(0, 229, 255, 0.08);
    --border-glow: rgba(0, 229, 255, 0.15);
    --glow-cyan: 0 0 30px rgba(0, 229, 255, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-secondary);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: all var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }

::selection { background: rgba(0, 229, 255, 0.3); color: #fff; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,229,255,0.3); }

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(6, 8, 18, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem; height: 64px;
    display: flex; align-items: center; justify-content: space-between;
}

.navbar-brand {
    font-size: 1.35rem; font-weight: 900; letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-links { display: flex; gap: 1.75rem; list-style: none; align-items: center; }
.navbar-links a { color: var(--text-secondary); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.3px; transition: color var(--transition-fast); position: relative; padding: 0.25rem 0; }
.navbar-links a::after { content:''; position:absolute; bottom:-2px; left:0; width:0; height:2px; background:var(--accent-cyan); transition:width var(--transition-smooth); border-radius:1px; }
.navbar-links a:hover { color: var(--accent-cyan); }
.navbar-links a:hover::after { width: 100%; }

.menu-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 0.25rem; }

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .navbar-links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: rgba(6,8,18,0.97); flex-direction: column; padding: 1rem 2rem; border-bottom: 1px solid var(--border-color); }
    .navbar-links.open { display: flex; gap: 1rem; }
}

/* ============================================
   TICKER BAR
   ============================================ */
.ticker-bar { margin-top: 64px; background: rgba(12,16,32,0.9); border-bottom: 1px solid var(--border-color); padding: 0.5rem 0; overflow: hidden; }
.ticker-content { display: inline-flex; gap: 3rem; font-size: 0.78rem; font-family: 'Courier New', monospace; color: var(--text-muted); animation: ticker-scroll 30s linear infinite; white-space: nowrap; padding-left: 100%; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.ticker-up { color: var(--accent-green); font-weight: 700; }
.ticker-down { color: var(--accent-red); font-weight: 700; }

/* ============================================
   MAIN LAYOUT
   ============================================ */
.main-layout { display: grid; grid-template-columns: 1fr 320px; gap: 2.5rem; max-width: 1340px; margin: 0 auto; padding: 2.5rem 2rem; }

/* ============================================
   SECTION HEADER & TABS
   ============================================ */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.75rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
.section-title { font-size: 1.3rem; font-weight: 800; letter-spacing: -0.3px; color: var(--text-primary); }
.section-tabs { display: flex; gap: 0.5rem; }
.tab-btn { background: none; border: 1px solid var(--border-color); color: var(--text-muted); padding: 0.4rem 1rem; border-radius: var(--radius-sm); font-size: 0.78rem; cursor: pointer; transition: all var(--transition-fast); font-weight: 600; }
.tab-btn.active, .tab-btn:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); background: rgba(0,229,255,0.06); box-shadow: 0 0 15px rgba(0,229,255,0.08); }

/* ============================================
   FEATURED POST
   ============================================ */
.featured-post { display: grid; grid-template-columns: 1fr 1fr; gap: 0; background: var(--bg-card); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 2.5rem; border: 1px solid var(--border-color); transition: all var(--transition-smooth); }
.featured-post:hover { border-color: var(--border-glow); box-shadow: var(--glow-cyan); transform: translateY(-3px); }

.featured-thumb { min-height: 380px; background: linear-gradient(135deg, #0c1224, #162040); display: flex; align-items: center; justify-content: center; font-size: 4rem; position: relative; overflow: hidden; }
.featured-thumb::after { content:''; position:absolute; inset:0; background: linear-gradient(to right, transparent 55%, var(--bg-card)); }

.featured-content { padding: 3rem; display: flex; flex-direction: column; justify-content: center; }
.post-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.85rem; border-radius: var(--radius-sm); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.25rem; width: fit-content; }
.badge-ai { background: rgba(178,75,243,0.15); color: var(--accent-purple); border: 1px solid rgba(178,75,243,0.2); }
.badge-trading { background: rgba(0,255,136,0.12); color: var(--accent-green); border: 1px solid rgba(0,255,136,0.2); }
.badge-crypto { background: rgba(0,229,255,0.12); color: var(--accent-cyan); border: 1px solid rgba(0,229,255,0.2); }
.badge-tech { background: rgba(249,115,22,0.12); color: #f97316; border: 1px solid rgba(249,115,22,0.2); }

.featured-content h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 800; line-height: 1.25; margin-bottom: 1rem; letter-spacing: -0.5px; color: var(--text-primary); }
.featured-content p { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 1.5rem; line-height: 1.7; }

.post-meta { display: flex; align-items: center; gap: 1rem; font-size: 0.8rem; color: var(--text-muted); }
.post-author-img { width: 34px; height: 34px; border-radius: 50%; background: var(--bg-secondary); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; border: 1px solid var(--border-color); }

/* ============================================
   POST CARDS (normal loop)
   ============================================ */
.posts-grid { display: grid; gap: 1.25rem; margin-bottom: 2rem; }

.post-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-color); transition: all var(--transition-smooth); display: grid; grid-template-columns: 240px 1fr; cursor: pointer; }
.post-card:hover { border-color: var(--border-glow); transform: translateY(-3px); box-shadow: var(--glow-cyan); }

.post-thumb { height: 180px; min-height: 180px; background: linear-gradient(135deg, #0c1224, #162040); display: flex; align-items: center; justify-content: center; font-size: 2.5rem; }
.post-card img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-md) 0 0 var(--radius-md); }

.post-body { padding: 1.5rem; display: flex; flex-direction: column; justify-content: center; }
.post-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; line-height: 1.4; letter-spacing: -0.2px; color: var(--text-primary); transition: color var(--transition-fast); }
.post-card:hover .post-body h3 { color: var(--accent-cyan); }
.post-body p { color: var(--text-muted); font-size: 0.84rem; line-height: 1.6; margin-bottom: 0.75rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ============================================
   CODE SNIPPET in posts
   ============================================ */
.code-snippet { background: #0a0e14; border-radius: var(--radius-sm); padding: 0.75rem 1rem; font-family: 'Courier New', monospace; font-size: 0.75rem; margin-top: 0.75rem; overflow-x: auto; color: #c9d1d9; border: 1px solid rgba(255,255,255,0.04); }

/* ============================================
   SINGLE POST VIEW
   ============================================ */
.single-post-container { max-width: 780px; margin: 80px auto 3rem; padding: 0 1.5rem; }

.single-post-header { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-color); }
.single-post-title { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 900; line-height: 1.2; letter-spacing: -1px; margin-bottom: 1rem; color: var(--text-primary); }
.single-post-meta { display: flex; gap: 1rem; color: var(--text-muted); font-size: 0.82rem; align-items: center; flex-wrap: wrap; }

.single-post-content { line-height: 1.95; font-size: 1.05rem; color: #cbd5e1; }
.single-post-content h2 { font-size: 1.6rem; margin: 3rem 0 1rem; letter-spacing: -0.5px; color: var(--text-primary); border-left: 3px solid var(--accent-cyan); padding-left: 1rem; }
.single-post-content h3 { font-size: 1.3rem; margin: 2.5rem 0 0.75rem; color: var(--text-primary); }
.single-post-content p { margin-bottom: 1.5rem; line-height: 1.85; }
.single-post-content a { color: var(--accent-cyan); text-decoration: underline; text-underline-offset: 3px; }
.single-post-content img { border-radius: var(--radius-md); margin: 2rem 0; box-shadow: var(--shadow-card); }
.single-post-content pre { background: #0a0e14; border-radius: var(--radius-md); padding: 1.5rem; overflow-x: auto; margin: 1.5rem 0; border: 1px solid rgba(255,255,255,0.04); }
.single-post-content code { font-family: 'Courier New', monospace; font-size: 0.85rem; color: #e2e8f0; background: rgba(0,229,255,0.06); padding: 0.15rem 0.4rem; border-radius: 4px; }
.single-post-content blockquote { border-left: 3px solid var(--accent-cyan); padding-left: 1.5rem; margin: 2rem 0; font-style: italic; color: var(--text-secondary); background: rgba(0,229,255,0.03); padding: 1rem 1.5rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }

.post-navigation { display: flex; justify-content: space-between; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border-color); gap: 1rem; }
.post-nav-link { color: var(--accent-cyan); font-size: 0.85rem; font-weight: 600; display: flex; align-items: center; gap: 0.3rem; transition: all var(--transition-fast); }
.post-nav-link:hover { opacity: 0.7; }

/* ============================================
   COMMENTS — FULLY REDESIGNED
   ============================================ */
.comments-section { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--border-color); }
.comments-section > h3, .comments-section #reply-title { font-size: 1.4rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 2rem; color: var(--text-primary); display: flex; align-items: center; gap: 0.75rem; }
.comments-section > h3::before, #reply-title::before { content:''; width:4px; height:24px; background:linear-gradient(180deg,var(--accent-cyan),var(--accent-green)); border-radius:2px; display:inline-block; }

/* Comment wrapper */
.comments-section .comment { position:relative; background: var(--bg-card); border-radius:var(--radius-md); padding:1.5rem; margin-bottom: 1rem; border:1px solid rgba(255,255,255,0.03); transition:all var(--transition-smooth); }
.comments-section .comment:hover { border-color: var(--border-glow); background: var(--bg-card-hover); }

/* Avatar */
.comments-section img.avatar { width:48px; height:48px; border-radius:50% !important; border:2px solid rgba(0,229,255,0.15) !important; padding:2px !important; background:var(--bg-secondary); float:left; margin-right:1rem; box-shadow: 0 0 12px rgba(0,229,255,0.08); }

/* Author name */
.comments-section .fn.comment-author { font-weight:700 !important; color: var(--accent-cyan) !important; font-size:0.95rem; display:inline-block; margin-bottom:0.35rem; }
.comments-section .fn a { color:var(--accent-cyan); transition:opacity var(--transition-fast); }
.comments-section .fn a:hover { opacity: 0.8; }

/* Meta line */
.comments-section .comment-meta-wrap { font-size:0.78rem; color: var(--text-muted); margin-bottom:0.75rem; display:flex; align-items:center; gap:0.5rem; flex-wrap:wrap; }
.comments-section .comment-meta-date a { color:var(--text-muted); text-decoration:none; border-bottom:1px dotted rgba(255,255,255,0.15); transition:border-color var(--transition-fast); font-size: 0.78rem; }
.comments-section .comment-meta-date a:hover { border-bottom-color:var(--accent-cyan); }

/* Comment text */
.comments-section .comment-text p { margin-bottom:0.75rem !important; color:#cbd5e1 !important; line-height:1.75 !important; font-size:0.92rem; }
.comments-section .comment-awaiting-moderation { color: var(--accent-green); font-size: 0.8rem; margin-bottom: 0.5rem; display: block; }

/* Reply link */
.comments-section .reply a { display:inline-flex; align-items:center; gap:0.3rem; padding:0.3rem 0.85rem; border-radius:var(--radius-sm); background:rgba(0,229,255,0.06); color:var(--accent-cyan); font-size:0.72rem; font-weight:700; text-transform:uppercase; letter-spacing:0.8px; text-decoration:none; transition:all var(--transition-fast); border:1px solid rgba(0,229,255,0.12); }
.comments-section .reply a:hover { background:rgba(0,229,255,0.14); box-shadow:0 0 16px rgba(0,229,255,0.15); border-color:var(--accent-cyan); transform:translateY(-1px); }

/* Nested replies */
.comments-section .children { list-style:none; padding-left:2rem !important; margin-top:1.25rem; border-left:2px solid var(--border-color); }
.comments-section .children > li { padding-top:0.75rem; }

/* Comment form area */
.comments-section .comment-respond { margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border-color); }
.comments-section .comment-respond h3 { font-size:1.4rem !important; font-weight:800 !important; letter-spacing:-0.5px !important; margin-bottom:1.5rem !important; color:var(--text-primary) !important; display:flex; align-items:center; gap:0.75rem; }
.comments-section .comment-respond h3::before { content:''; width:4px; height:24px; background:linear-gradient(180deg,var(--accent-cyan),var(--accent-green)); border-radius:2px; display:inline-block; }

/* Form fields */
.comments-section label { font-size:0.8rem !important; color: var(--text-muted) !important; font-weight:600; margin-bottom:0.45rem !important; display:block; letter-spacing:0.3px; text-transform:uppercase; }
.comments-section input[type="text"], .comments-section input[type="email"], .comments-section input[type="url"] { width:100%; background:var(--bg-primary); border:1px solid rgba(255,255,255,0.06) !important; color: var(--text-primary) !important; padding:0.8rem 1rem !important; border-radius:var(--radius-sm) !important; font-size:0.9rem !important; outline:none !important; transition:all var(--transition-fast); }
.comments-section input[type="text"]:focus, .comments-section input[type="email"]:focus, .comments-section input[type="url"]:focus { border-color:var(--accent-cyan) !important; box-shadow:0 0 0 3px rgba(0,229,255,0.1); }
.comments-section input::placeholder { color:#4a5568; }

.comments-section textarea { width:100%; min-height:130px; background:var(--bg-primary); border:1px solid rgba(255,255,255,0.06) !important; color: var(--text-primary) !important; padding:0.8rem 1rem !important; border-radius:var(--radius-sm) !important; font-size:0.9rem !important; outline:none !important; transition:all var(--transition-fast); resize:vertical; line-height:1.6; }
.comments-section textarea:focus { border-color:var(--accent-cyan) !important; box-shadow:0 0 0 3px rgba(0,229,255,0.1); }

/* Form row (side-by-side fields) */
.comment-form-columns .comment-form-author,
.comment-form-columns .comment-form-email { width: calc(50% - 0.5rem); display: inline-block; vertical-align: top; margin-right: 1rem; }
@media(max-width:640px) {
    .comment-form-columns .comment-form-author,
    .comment-form-columns .comment-form-email { width: 100%; margin-right: 0; display: block; }
}

.comments-section .comment-form-cookies-consent { display:flex; align-items:center; gap:0.5rem; font-size:0.8rem !important; color:var(--text-muted) !important; margin-top:0.75rem; }
.comments-section .comment-form-cookies-consent input[type="checkbox"] { accent-color: var(--accent-cyan); width:auto; height:auto; }

/* Submit button */
.comments-section p.submit { text-align:right; margin-top:1.25rem !important; }
.comments-section input[type="submit"] { background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green)) !important; color:#060812 !important; padding:0.85rem 2.5rem !important; border-radius:var(--radius-md) !important; font-weight:700 !important; font-size:0.95rem !important; border:none !important; cursor:pointer !important; transition:all var(--transition-smooth) !important; text-transform:uppercase; letter-spacing:0.8px; display:inline-block; box-shadow: 0 4px 20px rgba(0,229,255,0.2); }
.comments-section input[type="submit"]:hover { transform:translateY(-2px) !important; box-shadow:0 6px 30px rgba(0,229,255,0.35) !important; }

/* Logged in as */
.comments-section .welcomed { font-size:0.82rem; color:var(--text-muted); margin-bottom:1.25rem; padding-bottom:1rem; border-bottom:1px solid rgba(255,255,255,0.03); }
.comments-section .welcomed a { color:var(--accent-cyan); font-weight:600; }

/* Required */
.comments-section .required { color: var(--accent-red) !important; }

/* Responsive comments */
@media (max-width: 640px) {
    .comments-section .comment { padding:1.25rem; }
    .comments-section img.avatar { width:38px; height:38px; margin-right:0.75rem; }
    .comments-section .children { padding-left:1rem !important; }
}

/* ============================================
   SIDEBAR WIDGETS
   ============================================ */
.sidebar { display:flex; flex-direction:column; gap:1.5rem; position:sticky; top:80px; align-self:start; }
.sidebar-widget { background:var(--bg-card); border-radius:var(--radius-md); padding:1.5rem; border:1px solid var(--border-color); transition:border-color var(--transition-fast); }
.sidebar-widget:hover { border-color: var(--border-glow); }

.widget-title { font-size:0.82rem; font-weight:700; text-transform:uppercase; letter-spacing:1px; margin-bottom:1.25rem; padding-bottom:0.75rem; border-bottom:1px solid var(--border-color); color:var(--text-primary); display:flex; align-items:center; gap:0.5rem; }
.widget-title::before { content:''; width:3px; height:14px; background:linear-gradient(180deg,var(--accent-cyan),var(--accent-green)); border-radius:2px; }

/* Trending */
.trending-item { display:flex; gap:0.75rem; padding:0.65rem 0; border-bottom:1px solid rgba(255,255,255,0.03); cursor:pointer; transition:all var(--transition-fast); }
.trending-item:hover { opacity:0.8; }
.trending-num { font-size:1.4rem; font-weight:900; color:var(--accent-cyan); min-width:28px; font-family:'Courier New',monospace; }
.trending-info h4 { font-size:0.83rem; font-weight:600; line-height:1.35; margin-bottom:0.2rem; color: var(--text-primary); transition:color var(--transition-fast); }
.trending-item:hover .trending-info h4 { color:var(--accent-cyan); }
.trending-info span { font-size:0.72rem; color:var(--text-muted); }

/* Categories */
.category-list { list-style:none; display:flex; flex-direction:column; gap:0.35rem; }
.category-item { display:flex; align-items:center; justify-content:space-between; padding:0.6rem 0.75rem; border-radius:var(--radius-sm); font-size:0.82rem; transition:all var(--transition-fast); cursor:pointer; color: var(--text-secondary); }
.category-item:hover { background:rgba(0,229,255,0.06); color:var(--accent-cyan); padding-left:1rem; }
.category-count { font-size:0.72rem; background:var(--bg-primary); padding:0.15rem 0.5rem; border-radius:4px; color:var(--text-muted); }

/* Market widget */
.market-item { display:flex; align-items:center; justify-content:space-between; padding:0.6rem 0; border-bottom:1px solid rgba(255,255,255,0.03); font-size:0.82rem; }
.market-left { display:flex; align-items:center; gap:0.75rem; }
.market-icon { width:28px; height:28px; border-radius:50%; background:var(--bg-primary); display:flex; align-items:center; justify-content:center; font-size:0.65rem; font-weight:700; color:var(--accent-cyan); border:1px solid var(--border-color); }
.market-name { font-weight:600; color: var(--text-primary); }

/* Newsletter */
.newsletter-widget p { color:var(--text-muted); font-size:0.82rem; margin-bottom:1rem; line-height:1.5; }
.newsletter-input { width:100%; padding:0.7rem 1rem; border-radius:var(--radius-sm); background:var(--bg-primary); border:1px solid var(--border-color); color:var(--text-primary); font-size:0.82rem; margin-bottom:0.65rem; outline:none; transition:border-color var(--transition-fast); }
.newsletter-input:focus { border-color:var(--accent-cyan); }
.btn-subscribe { width:100%; padding:0.75rem; border-radius:var(--radius-sm); border:none; background:linear-gradient(135deg,var(--accent-cyan),var(--accent-green)); color:#060812; font-weight:700; font-size:0.82rem; cursor:pointer; transition:all var(--transition-fast); text-transform:uppercase; letter-spacing:0.5px; }
.btn-subscribe:hover { transform:translateY(-1px); box-shadow:0 4px 20px rgba(0,229,255,0.3); }

/* Live dot */
.live-dot { display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--accent-green); margin-right:0.4rem; animation:pulse-glow 2s ease-in-out infinite; }
@keyframes pulse-glow { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* ============================================
   PAGINATION
   ============================================ */
.pagination { display:flex; gap:0.5rem; justify-content:center; margin-top:2.5rem; padding-top:2rem; border-top:1px solid var(--border-color); }
.page-btn { width:40px; height:40px; border-radius:var(--radius-sm); background:var(--bg-card); border:1px solid var(--border-color); color:var(--text-muted); display:flex; align-items:center; justify-content:center; font-size:0.82rem; cursor:pointer; transition:all var(--transition-fast); }
.page-btn.active, .page-btn:hover { border-color:var(--accent-cyan); color:var(--accent-cyan); background:rgba(0,229,255,0.06); box-shadow: 0 0 12px rgba(0,229,255,0.1); }

/* ============================================
   FOOTER
   ============================================ */
footer { background:var(--bg-secondary); border-top:1px solid var(--border-color); padding:3.5rem 2rem 2rem; margin-top:4rem; }
.footer-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:2rem; max-width:1200px; margin:0 auto 2.5rem; }
.footer-col h4 { font-size:0.82rem; font-weight:700; margin-bottom:1.25rem; color:var(--text-primary); text-transform:uppercase; letter-spacing:0.5px; }
.footer-col a { display:block; color:var(--text-muted); font-size:0.8rem; padding:0.3rem 0; transition:all var(--transition-fast); }
.footer-col a:hover { color:var(--accent-cyan); transform:translateX(4px); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width:1024px) { .main-layout{grid-template-columns:1fr;} .sidebar{display:none; } }
@media (max-width:768px) {
    .featured-post{grid-template-columns:1fr;} .featured-thumb{min-height:220px;} .post-card{grid-template-columns:1fr;} .post-thumb{height:160px;min-height:auto;} .footer-grid{grid-template-columns:repeat(2,1fr);}
    .single-post-container { margin-top: 72px; }
}
@media (max-width:480px) { .footer-grid{grid-template-columns:1fr;} }