/*
Theme Name: TFE Modern News
Author: Nazim Ishaq
Version: 1.0
*/
:root {
    --bg:         #f8f8f6;
    --surface:    #ffffff;
    --surface2:   #f1f1ef;
    --border:     #e5e5e3;
    --text:       #111111;
    --text-2:     #555555;
    --text-3:     #888888;
    --accent:     #1d4ed8;       /* TFE blue */
    --accent-2:   #dbeafe;
    --red:        #dc2626;
    --ticker-bg:  #0f172a;
    --ticker-fg:  #f1f5f9;
    --ticker-acc: #3b82f6;
    --shadow:     0 1px 3px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.05);
    --shadow-h:   0 4px 24px rgba(0,0,0,.12);
    --radius:     6px;
    --nav-h:      64px;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-sans:  'DM Sans', system-ui, sans-serif;
    --font-mono:  'DM Mono', monospace;
    --transition: 220ms cubic-bezier(.4,0,.2,1);
}
[data-theme="dark"] {
    --bg:         #0c0c0c;
    --surface:    #161616;
    --surface2:   #1e1e1e;
    --border:     #2a2a2a;
    --text:       #f0f0f0;
    --text-2:     #a0a0a0;
    --text-3:     #666666;
    --accent:     #3b82f6;
    --accent-2:   #1e3a5f;
    --ticker-bg:  #0a0a0a;
    --shadow:     0 1px 3px rgba(0,0,0,.4), 0 4px 16px rgba(0,0,0,.3);
    --shadow-h:   0 4px 24px rgba(0,0,0,.5);
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 15px;
    transition: background var(--transition), color var(--transition);
}
img { display: block; max-width: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.serif      { font-family: var(--font-serif); }
.mono       { font-family: var(--font-mono); }
.cat-badge  {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 2px;
    color: #fff;
    line-height: 1.6;
}
.meta {
    font-size: 12px;
    color: var(--text-3);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--text-3); }

/* ============================================================
   LAYOUT
   ============================================================ */
.container  { max-width: 1260px; margin: 0 auto; padding: 0 20px; }
.grid-2     { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3     { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4     { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.main-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }

/* ============================================================
   BREAKING NEWS TICKER
   ============================================================ */
.ticker-bar {
    background: var(--ticker-bg);
    color: var(--ticker-fg);
    height: 36px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
    z-index: 101;
}
.ticker-label {
    flex-shrink: 0;
    background: var(--red);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    padding: 0 14px;
    height: 100%;
    display: flex;
    align-items: center;
    z-index: 2;
}
.ticker-label::after {
    content: '';
    position: absolute;
    left: 98px;
    top: 0;
    border-top: 36px solid transparent;
    border-left: 14px solid var(--red);
}
.ticker-track-wrap {
    flex: 1;
    overflow: hidden;
    position: relative;
    padding-left: 20px;
}
.ticker-track {
    display: flex;
    gap: 0;
    animation: ticker-scroll 38s linear infinite;
    white-space: nowrap;
}
.ticker-track:hover { animation-play-state: paused; }
.ticker-item {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--ticker-fg);
    padding-right: 60px;
    flex-shrink: 0;
}
.ticker-item::before {
    content: '◆';
    color: var(--ticker-acc);
    margin-right: 10px;
    font-size: 7px;
    vertical-align: middle;
}
@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ============================================================
   STICKY HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    height: var(--nav-h);
    transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,.08); }

.header-inner {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 32px;
}

/* LOGO */
.logo {
    flex-shrink: 0;
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -.02em;
    line-height: 1;
    color: var(--text);
}
.logo-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    background: var(--red);
    border-radius: 2px;
    margin-left: 1px;
    margin-bottom: -1px;
}

/* NAV */
.main-nav { flex: 1; }
.nav-list {
    display: flex;
    align-items: center;
    gap: 0;
}
.nav-list li a {
    display: block;
    padding: 0 13px;
    height: var(--nav-h);
    line-height: var(--nav-h);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-2);
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
    letter-spacing: .01em;
}
.nav-list li a:hover,
.nav-list li a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* HEADER CONTROLS */
.header-controls { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }

/* Search */
.search-form { display: flex; align-items: center; position: relative; }
.search-input {
    width: 0;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 13px;
    background: var(--surface2);
    color: var(--text);
    outline: none;
    transition: width .3s ease, padding .3s ease, border-color .3s ease;
    overflow: hidden;
}
.search-form.open .search-input {
    width: 180px;
    padding: 6px 36px 6px 14px;
    border-color: var(--border);
}
.search-btn {
    position: absolute;
    right: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 10px;
    color: var(--text-2);
    transition: color var(--transition);
    display: flex;
    align-items: center;
}
.search-btn:hover { color: var(--accent); }
.search-btn svg { width: 16px; height: 16px; }

/* Dark mode toggle */
.theme-toggle {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface2);
    color: var(--text-2);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--transition);
    flex-shrink: 0;
}
.theme-toggle:hover { background: var(--accent-2); color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 16px; height: 16px; }
.icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: none; }
[data-theme="dark"] .icon-sun  { display: block; }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer; }
.hamburger span {
    display: block; width: 22px; height: 2px;
    background: var(--text); border-radius: 2px;
    transition: all var(--transition);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero-section { padding: 36px 0 0; }

.hero-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    grid-template-rows: auto auto;
    gap: 2px;
    background: var(--border);
    border: 1px solid var(--border);
    overflow: hidden;
    border-radius: var(--radius);
}

/* Featured card */
.card-featured {
    position: relative;
    overflow: hidden;
    background: #111;
    grid-row: 1 / 3;
}
.card-featured img {
    width: 100%; height: 520px;
    object-fit: cover;
    opacity: .75;
    transition: opacity .4s, transform .4s;
}
.card-featured:hover img { opacity: .65; transform: scale(1.02); }
.card-featured .card-body {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 32px 28px;
    background: linear-gradient(to top, rgba(0,0,0,.88) 0%, rgba(0,0,0,.2) 70%, transparent 100%);
    color: #fff;
}
.card-featured .card-title {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 800;
    line-height: 1.25;
    margin: 8px 0 10px;
}
.card-featured .card-desc {
    font-size: 13.5px;
    color: rgba(255,255,255,.8);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-featured .meta { color: rgba(255,255,255,.6); margin-top: 10px; font-size: 12px; }

/* Secondary cards */
.card-secondary {
    background: var(--surface);
    overflow: hidden;
    position: relative;
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: stretch;
}
.card-secondary img { width: 140px; height: 100%; object-fit: cover; transition: transform .4s; }
.card-secondary:hover img { transform: scale(1.04); }
.card-secondary .card-body { padding: 18px 18px 18px 16px; display: flex; flex-direction: column; justify-content: center; }
.card-secondary .card-title {
    font-family: var(--font-serif);
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.35;
    margin: 6px 0 8px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}
.card-secondary:hover .card-title { color: var(--accent); }
.card-secondary .card-desc {
    font-size: 12.5px;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--text);
}
[data-theme="dark"] .section-header { border-bottom-color: var(--accent); }
.section-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -.02em;
}
.section-link {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition);
}
.section-link:hover { gap: 8px; }
.section-link::after { content: '→'; }

/* ============================================================
   LATEST NEWS
   ============================================================ */
.latest-section { padding: 48px 0 0; }

.latest-list { display: flex; flex-direction: column; gap: 0; }
.latest-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.latest-item:first-child { border-top: 1px solid var(--border); }
.latest-item:hover { background: var(--surface2); padding-left: 6px; padding-right: 6px; border-radius: var(--radius); }
.latest-item img { width: 100px; height: 70px; object-fit: cover; border-radius: var(--radius); transition: transform .3s; }
.latest-item:hover img { transform: scale(1.04); }
.latest-item .item-title {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 700;
    line-height: 1.35;
    margin: 5px 0 7px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}
.latest-item:hover .item-title { color: var(--accent); }
.latest-item .item-excerpt {
    font-size: 12.5px;
    color: var(--text-2);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
   CATEGORY SECTIONS
   ============================================================ */
.category-section { padding: 48px 0 0; }

.article-card {
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: box-shadow var(--transition), transform var(--transition);
}
.article-card:hover { box-shadow: var(--shadow-h); transform: translateY(-3px); }
.article-card img { width: 100%; height: 190px; object-fit: cover; transition: transform .4s; }
.article-card:hover img { transform: scale(1.05); }
.article-card .card-body { padding: 16px; }
.article-card .card-title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.35;
    margin: 8px 0 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}
.article-card:hover .card-title { color: var(--accent); }
.article-card .card-excerpt {
    font-size: 13px;
    color: var(--text-2);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar { position: sticky; top: calc(var(--nav-h) + 20px); }

.sidebar-widget {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.widget-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}
.widget-header .wi { color: var(--accent); }

/* Trending */
.trending-list { padding: 8px 0; }
.trending-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    transition: background var(--transition);
}
.trending-item:last-child { border-bottom: none; }
.trending-item:hover { background: var(--surface2); }
.trending-rank {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 800;
    color: var(--border);
    line-height: 1;
    flex-shrink: 0;
    width: 28px;
    transition: color var(--transition);
}
.trending-item:hover .trending-rank { color: var(--accent); }
.trending-item .t-title {
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition);
}
.trending-item:hover .t-title { color: var(--accent); }

/* Newsletter */
.newsletter-widget { background: var(--accent); border-color: var(--accent); }
.newsletter-widget .widget-header { border-bottom-color: rgba(255,255,255,.2); color: #fff; }
.newsletter-widget .widget-header .wi { color: rgba(255,255,255,.7); }
.newsletter-body { padding: 16px; }
.newsletter-body p {
    font-size: 13px;
    color: rgba(255,255,255,.85);
    line-height: 1.55;
    margin-bottom: 14px;
}
.newsletter-form { display: flex; flex-direction: column; gap: 10px; }
.newsletter-input {
    padding: 10px 14px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,.3);
    background: rgba(255,255,255,.15);
    color: #fff;
    font-family: var(--font-sans);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition), background var(--transition);
}
.newsletter-input::placeholder { color: rgba(255,255,255,.5); }
.newsletter-input:focus { border-color: rgba(255,255,255,.8); background: rgba(255,255,255,.2); }
.newsletter-btn {
    padding: 10px 14px;
    border-radius: 4px;
    background: #fff;
    color: var(--accent);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: .03em;
    transition: transform var(--transition), box-shadow var(--transition);
}
.newsletter-btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.2); }

/* Ad placeholder */
.ad-widget { background: var(--surface2); border: 1px dashed var(--border); }
.ad-placeholder {
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-3);
    gap: 6px;
}
.ad-placeholder .ad-icon { font-size: 28px; }
.ad-placeholder span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; }

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 48px 0 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--ticker-bg);
    color: rgba(255,255,255,.7);
    margin-top: 64px;
    padding: 48px 0 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p {
    font-size: 13px;
    line-height: 1.65;
    color: rgba(255,255,255,.55);
    max-width: 240px;
}
.footer-col h4 {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a {
    font-size: 13.5px;
    color: rgba(255,255,255,.65);
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: #fff; }

/* Social */
.social-links { display: flex; gap: 10px; margin-top: 20px; }
.social-link {
    width: 34px; height: 34px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.6);
    font-size: 13px;
    font-weight: 700;
    transition: all var(--transition);
}
.social-link:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Footer bottom */
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    font-size: 12px;
    color: rgba(255,255,255,.35);
}

/* ============================================================
   MAIN + PADDING
   ============================================================ */
.site-main { padding: 0 0 64px; }

/* ============================================================
   MOBILE NAV DRAWER
   ============================================================ */
.mobile-nav-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 200;
}
.mobile-nav-drawer {
    position: fixed;
    top: 0; left: -280px;
    width: 280px; height: 100vh;
    background: var(--surface);
    z-index: 201;
    padding: 24px 20px;
    transition: left .3s ease;
    overflow-y: auto;
}
.mobile-nav-drawer.open { left: 0; }
.mobile-nav-overlay.open { display: block; }
.mobile-nav-close {
    float: right;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-2);
    background: none;
    border: none;
    line-height: 1;
}
.mobile-nav-list { margin-top: 40px; display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-list li a {
    display: block;
    padding: 12px 8px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    transition: color var(--transition);
}
.mobile-nav-list li a:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .grid-4    { grid-template-columns: repeat(2, 1fr); }
    .main-layout { grid-template-columns: 1fr; }
    .sidebar   { position: static; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; }
    .card-featured img { height: 300px; }
    .card-secondary { grid-template-columns: 100px 1fr; }
    .card-featured .card-title { font-size: 20px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
    .ticker-label::after { display: none; }
}
@media (max-width: 480px) {
    .card-secondary { grid-template-columns: 1fr; }
    .card-secondary img { width: 100%; height: 160px; }
    .section-title { font-size: 18px; }
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .5s ease, transform .5s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }