/* ============================================
   STYLE.CSS — EcoBatterySupply Modern Design
   ============================================ */

:root {
    --bg-deep:        #050a14;
    --bg-surface:     #0d1627;
    --bg-card:        rgba(255,255,255,0.04);
    --primary:        #00ff88;
    --primary-dim:    rgba(0,255,136,0.12);
    --primary-glow:   rgba(0,255,136,0.35);
    --secondary:      #00d4ff;
    --secondary-dim:  rgba(0,212,255,0.1);
    --accent:         #ff6b35;
    --text:           #e2eaf4;
    --text-mid:       #7a8fa6;
    --border:         rgba(255,255,255,0.07);
    --border-hover:   rgba(0,255,136,0.25);
    --radius:         14px;
    --radius-lg:      22px;
    --max-width:      1140px;
    --font-body:      'Outfit', sans-serif;
    --font-heading:   'Space Grotesk', sans-serif;
    --ease:           cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--bg-deep);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--primary), var(--secondary)); border-radius: 3px; }

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: all 0.3s var(--ease); }

/* ============ LAYOUT ============ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ============ AMBIENT BACKGROUND ORBS ============ */
.orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
    will-change: transform;
}
.orb-1 {
    width: 650px; height: 650px;
    background: radial-gradient(circle, rgba(0,255,136,0.07) 0%, transparent 70%);
    top: -200px; left: -200px;
    animation: drift1 12s ease-in-out infinite;
}
.orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
    bottom: 10%; right: -150px;
    animation: drift2 15s ease-in-out infinite;
}
.orb-3 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,107,53,0.04) 0%, transparent 70%);
    top: 50%; left: 40%;
    animation: drift3 18s ease-in-out infinite;
}

@keyframes drift1 {
    0%,100% { transform: translate(0,0); }
    33%      { transform: translate(40px,-40px); }
    66%      { transform: translate(-30px,30px); }
}
@keyframes drift2 {
    0%,100% { transform: translate(0,0); }
    50%      { transform: translate(-50px,-30px); }
}
@keyframes drift3 {
    0%,100% { transform: translate(0,0); }
    40%      { transform: translate(30px,50px); }
    80%      { transform: translate(-40px,-20px); }
}

/* ============ HEADER ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(5,10,20,0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s var(--ease);
}
.site-header.scrolled {
    background: rgba(5,10,20,0.95);
    box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.logo-badge {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    box-shadow: 0 0 20px var(--primary-glow);
    animation: pulse-badge 3s ease-in-out infinite;
}
@keyframes pulse-badge {
    0%,100% { box-shadow: 0 0 16px rgba(0,255,136,0.4); }
    50%      { box-shadow: 0 0 32px rgba(0,255,136,0.7); }
}
.site-logo .g { background: linear-gradient(135deg,var(--primary),var(--secondary)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

.site-nav ul { list-style: none; display: flex; gap: 4px; }
.site-nav a {
    color: var(--text-mid);
    font-weight: 500;
    font-size: 0.88rem;
    padding: 8px 16px;
    border-radius: 50px;
    transition: all 0.25s var(--ease);
    display: block;
}
.site-nav a:hover { color: var(--primary); background: var(--primary-dim); }
.site-nav a.active { color: var(--primary); background: var(--primary-dim); }

/* ============ HERO ============ */
.hero {
    position: relative;
    padding: 130px 24px 110px;
    text-align: center;
    overflow: hidden;
    z-index: 1;
}
.hero-grid {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,255,136,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,255,136,0.025) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 80%);
    z-index: -1;
}
.hero-glow {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(0,255,136,0.14) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 110%, rgba(0,212,255,0.08) 0%, transparent 60%);
    z-index: -1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-dim);
    border: 1px solid rgba(0,255,136,0.2);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 700;
    padding: 7px 18px;
    border-radius: 50px;
    margin-bottom: 32px;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: fadeInDown 0.6s var(--ease) both;
}
.hero-badge .dot {
    width: 7px; height: 7px;
    background: var(--primary);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 700;
    line-height: 1.12;
    margin-bottom: 24px;
    letter-spacing: -1px;
    animation: fadeInUp 0.7s var(--ease) 0.1s both;
}
.hero h1 .grad {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 60%, var(--primary) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer-text 4s linear infinite;
}
@keyframes shimmer-text { to { background-position: 200% center; } }

.hero p {
    font-size: 1.15rem;
    color: var(--text-mid);
    max-width: 560px;
    margin: 0 auto 44px;
    animation: fadeInUp 0.7s var(--ease) 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.7s var(--ease) 0.3s both;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    margin-top: 64px;
    padding-top: 48px;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.7s var(--ease) 0.4s both;
    flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.stat-label { font-size: 0.82rem; color: var(--text-mid); margin-top: 4px; }

/* ============ HERO VIDEO BACKGROUND ============ */
.hero-has-video {
    position: relative;
    overflow: hidden;
}
.hero-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.35;
}
.hero-video-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to bottom, rgba(5,10,20,0.55) 0%, rgba(5,10,20,0.25) 45%, rgba(5,10,20,0.75) 100%),
        radial-gradient(ellipse at 50% 60%, rgba(0,255,136,0.07), transparent 65%);
    pointer-events: none;
}
.hero-has-video .hero-particles,
.hero-has-video .hero-glow,
.hero-has-video .hero-badge,
.hero-has-video h1,
.hero-has-video p,
.hero-has-video .hero-actions,
.hero-has-video .hero-stats {
    position: relative;
    z-index: 2;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s var(--ease);
    border: none;
    position: relative;
    overflow: hidden;
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #00cc6f);
    color: #050a14;
    box-shadow: 0 4px 24px rgba(0,255,136,0.4);
}
.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 40px rgba(0,255,136,0.55);
    color: #050a14;
}
.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%; left: -100%;
    width: 60%; height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s ease;
}
.btn-primary:hover::after { left: 160%; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-dim);
    transform: translateY(-3px);
}

/* ============ TRUST BAR ============ */
.trust-bar {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: relative;
    z-index: 1;
}
.trust-bar .container {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--text-mid);
}
.trust-item .ti { font-size: 1rem; }

/* ============ SECTIONS ============ */
.section { padding: 90px 0; position: relative; z-index: 1; }
.section-alt { background: var(--bg-surface); }

.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--primary);
    margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.7rem, 3vw, 2.3rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}
.section-subtitle { color: var(--text-mid); font-size: 1rem; max-width: 480px; margin: 0 auto; }

/* ============ FEATURED ARTICLE ============ */
.article-featured {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 460px;
    display: flex;
    align-items: flex-end;
    cursor: pointer;
    text-decoration: none;
}
.featured-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    transition: transform 0.7s var(--ease);
}
.article-featured:hover .featured-bg { transform: scale(1.04); }
.featured-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(5,10,20,0.97) 0%, rgba(5,10,20,0.5) 45%, rgba(5,10,20,0.15) 100%);
}
.featured-content {
    position: relative;
    padding: 48px;
    width: 100%;
    max-width: 780px;
}
.featured-tag {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--primary);
    margin-bottom: 14px;
    display: block;
}
.featured-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 700;
    color: #fff;
    line-height: 1.18;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}
.featured-excerpt {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.65;
    margin-bottom: 28px;
    max-width: 560px;
}
.featured-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.featured-cta .arrow {
    width: 28px; height: 28px;
    border: 1px solid var(--primary);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}
.article-featured:hover .featured-cta .arrow {
    background: var(--primary);
    color: #050a14;
    transform: translateX(3px);
}

/* ============ EDITORIAL LIST ============ */
.editorial-list { display: flex; flex-direction: column; }

.editorial-item {
    display: grid;
    grid-template-columns: 52px 1fr;
    gap: 20px;
    padding: 26px 0 26px 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    position: relative;
    transition: padding-left 0.3s var(--ease);
}
.editorial-item:first-child { border-top: 1px solid var(--border); }
.editorial-item::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.editorial-item:hover { padding-left: 14px; }
.editorial-item:hover::before { opacity: 1; }

.e-num {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 700;
    color: rgba(255,255,255,0.06);
    line-height: 1;
    transition: color 0.3s ease;
    padding-top: 2px;
    user-select: none;
}
.editorial-item:hover .e-num { color: var(--primary); }

.e-tag {
    font-size: 0.67rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 7px;
    display: block;
}
.e-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.35;
    margin-bottom: 7px;
    transition: color 0.3s ease;
}
.editorial-item:hover .e-title { color: var(--primary); }
.e-excerpt {
    font-size: 0.83rem;
    color: var(--text-mid);
    line-height: 1.55;
}

/* ============ TOPIC BROWSER ============ */
.topics-label {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--text-mid);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    display: block;
    margin-bottom: 0;
}
.topic-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.25s var(--ease);
}
.topic-left { display: flex; align-items: center; gap: 12px; }
.t-icon { font-size: 1.1rem; }
.t-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    transition: color 0.25s ease;
}
.topic-item:hover .t-name { color: var(--primary); }
.t-right { display: flex; align-items: center; gap: 10px; }
.t-count {
    font-size: 0.72rem;
    color: var(--text-mid);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 2px 8px;
    transition: all 0.25s ease;
}
.topic-item:hover .t-count { border-color: rgba(0,255,136,0.3); color: var(--primary); }
.t-arrow {
    color: var(--text-mid);
    font-size: 0.8rem;
    transition: all 0.25s ease;
}
.topic-item:hover .t-arrow { color: var(--primary); transform: translateX(3px); }

/* ============ ARTICLE CARDS (related articles only) ============ */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    backdrop-filter: blur(12px);
    transition: border-color 0.3s ease;
}
.article-card:hover { border-color: rgba(0,255,136,0.2); }
.card-image {
    width: 100%; height: 180px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--bg-surface), var(--bg-deep));
}
.card-body { padding: 20px; }
.card-category {
    font-size: 0.67rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1.5px;
    color: var(--primary); display: block; margin-bottom: 10px;
}
.card-title {
    font-family: var(--font-heading); font-size: 0.98rem;
    font-weight: 600; color: var(--text);
    margin-bottom: 8px; line-height: 1.4;
}
.card-excerpt { font-size: 0.85rem; color: var(--text-mid); margin-bottom: 16px; line-height: 1.6; }
.card-link {
    font-size: 0.83rem; font-weight: 600;
    color: var(--primary); display: inline-flex;
    align-items: center; gap: 5px;
}
.card-link::after { content: '→'; }

/* ============ CATEGORIES ============ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
    gap: 16px;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 20px 24px;
    text-align: center;
    transition: all 0.3s var(--ease);
    display: block;
    text-decoration: none;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}
.category-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transition: transform 0.3s var(--ease);
}
.category-card:hover { border-color: rgba(0,255,136,0.2); background: rgba(0,255,136,0.04); }
.category-card:hover::before { transform: scaleX(1); }

.cat-icon { font-size: 2.4rem; margin-bottom: 14px; display: block; }
.cat-name { font-family: var(--font-heading); font-size: 0.9rem; font-weight: 600; color: var(--text); margin-bottom: 5px; }
.cat-desc { font-size: 0.76rem; color: var(--text-mid); }

/* ============ WHY TRUST US ============ */
.trust-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 0;
}
.trust-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: all 0.3s var(--ease);
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}
.trust-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary), var(--primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.trust-card:hover { border-color: rgba(0,212,255,0.2); transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }
.trust-card:hover::before { opacity: 1; }
.trust-card .tc-icon { font-size: 2.5rem; margin-bottom: 18px; display: block; }
.trust-card h4 { font-family: var(--font-heading); font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.trust-card p { font-size: 0.87rem; color: var(--text-mid); line-height: 1.65; }

/* ============ EMPTY STATE ============ */
.empty-state { text-align: center; padding: 80px 20px; }
.empty-state .e-icon { font-size: 4rem; margin-bottom: 20px; }
.empty-state h3 { font-size: 1.4rem; color: var(--text); margin-bottom: 10px; font-family: var(--font-heading); }
.empty-state p { color: var(--text-mid); }

/* ============ ARTICLE PAGE ============ */
.article-header {
    padding: 90px 24px 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.article-header::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 80% at 50% 0%, rgba(0,255,136,0.09) 0%, transparent 70%);
}
.article-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text);
    max-width: 820px;
    margin: 0 auto 20px;
    line-height: 1.25;
}
.article-meta { color: var(--text-mid); font-size: 0.9rem; }

.article-content {
    max-width: 780px;
    margin: 60px auto;
    padding: 0 24px;
    font-size: 1.05rem;
    line-height: 1.85;
}
.article-content h2 { font-family: var(--font-heading); font-size: 1.6rem; color: var(--text); margin: 48px 0 16px; }
.article-content h3 { font-size: 1.2rem; color: var(--primary); margin: 32px 0 12px; }
.article-content p { margin-bottom: 20px; color: var(--text-mid); }

/* ============ AFFILIATE BOX ============ */
.affiliate-box {
    background: var(--bg-card);
    border: 1px solid rgba(0,255,136,0.18);
    border-radius: var(--radius);
    padding: 28px;
    margin: 40px 0;
    display: flex;
    align-items: center;
    gap: 24px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0,255,136,0.05);
}
.affiliate-box img { width: 100px; height: 100px; object-fit: contain; border-radius: 8px; }
.affiliate-box-content h4 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.affiliate-box-content p { font-size: 0.9rem; color: var(--text-mid); margin-bottom: 12px; }
.affiliate-badge { font-size: 0.75rem; color: var(--text-mid); margin-top: 8px; }

/* ============ FOOTER ============ */
.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 70px 0 32px;
    margin-top: 80px;
    position: relative;
    z-index: 1;
}
.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .site-logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--text);
    font-weight: 700;
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 16px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.75; color: var(--text-mid); }

.footer-links h4 {
    color: var(--text);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    font-weight: 700;
}
.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: var(--text-mid); font-size: 0.88rem; transition: all 0.2s ease; display: inline-flex; align-items: center; gap: 0; }
.footer-links a:hover { color: var(--primary); gap: 4px; }
.footer-links a:hover::before { content: '→ '; }

.footer-bottom {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 24px 24px 0;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.83rem;
    color: var(--text-mid);
    gap: 24px;
    flex-wrap: wrap;
}
.footer-disclaimer { font-size: 0.77rem; max-width: 500px; opacity: 0.6; }

/* ============ HERO PARTICLES ============ */
.hero-particles { position:absolute; inset:0; overflow:hidden; pointer-events:none; z-index:0; }
@keyframes particle-rise {
    0%   { transform:translateY(0) scale(1); opacity:0; }
    10%  { opacity:0.7; }
    90%  { opacity:0.2; }
    100% { transform:translateY(-70vh) scale(0.3); opacity:0; }
}

/* ============ CATEGORY PILLS ============ */
.cat-pills-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; padding:2px 0 8px; }
.cat-pills-wrap::-webkit-scrollbar { display:none; }
.cat-pills { display:flex; gap:10px; }
.cat-pill {
    display:inline-flex; align-items:center; gap:7px;
    padding:9px 20px; border-radius:50px;
    border:1px solid var(--border);
    background:var(--bg-card);
    color:var(--text-mid); font-size:0.83rem; font-weight:600;
    text-decoration:none; white-space:nowrap;
    transition:all 0.25s var(--ease);
    backdrop-filter:blur(8px);
}
.cat-pill:hover { border-color:rgba(0,255,136,0.35); color:var(--primary); background:var(--primary-dim); }
.cat-pill.active { border-color:var(--primary); color:var(--primary); background:var(--primary-dim); box-shadow:0 0 16px rgba(0,255,136,0.12); }

/* ============ MOSAIC CARD GRID ============ */
.mosaic {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:18px;
}
/* Cards 1 and 7 span two columns */
.mosaic .mc:nth-child(1),
.mosaic .mc:nth-child(7) { grid-column:span 2; }

.mc {
    display:block; text-decoration:none;
    border-radius:20px; overflow:hidden;
    border:1px solid var(--border);
    background:var(--bg-surface);
    position:relative;
    transition:border-color 0.4s ease, box-shadow 0.4s ease;
}
/* Shimmer sweep on hover */
.mc::after {
    content:''; position:absolute; top:0; left:-120%;
    width:55%; height:100%;
    background:linear-gradient(105deg,transparent,rgba(255,255,255,0.035),transparent);
    transform:skewX(-12deg);
    transition:left 0.75s ease;
    pointer-events:none; z-index:5;
}
.mc:hover::after { left:165%; }
.mc:hover {
    border-color:rgba(0,255,136,0.22);
    box-shadow:0 20px 60px rgba(0,0,0,0.38), inset 0 1px 0 rgba(255,255,255,0.04);
}

/* Image area */
.mc-img { height:200px; overflow:hidden; position:relative; }
.mosaic .mc:nth-child(1) .mc-img,
.mosaic .mc:nth-child(7) .mc-img { height:230px; }

.mc-img-inner {
    width:100%; height:100%;
    display:flex; align-items:center; justify-content:center;
    transition:transform 0.65s cubic-bezier(0.25,0.46,0.45,0.94);
    position:relative;
}
.mc:hover .mc-img-inner { transform:scale(1.07); }

/* Category gradient backgrounds */
.mc-img-inner.cat-reviews      { background:linear-gradient(145deg,#061428,#0d2545); }
.mc-img-inner.cat-solar        { background:linear-gradient(145deg,#1a1000,#3a2500); }
.mc-img-inner.cat-lifepo4      { background:linear-gradient(145deg,#001a08,#003d18); }
.mc-img-inner.cat-guides       { background:linear-gradient(145deg,#110018,#280038); }
.mc-img-inner.cat-home-storage { background:linear-gradient(145deg,#001520,#002d45); }
.mc-img-inner.cat-power-banks  { background:linear-gradient(145deg,#1a0800,#3d1a00); }
.mc-img-inner.cat-ev-charging  { background:linear-gradient(145deg,#080018,#150030); }
.mc-img-inner.cat-default      { background:linear-gradient(145deg,#0d1627,#050a14); }

/* Glow dot behind emoji */
.mc-img-inner::before {
    content:''; position:absolute;
    width:100px; height:100px;
    background:radial-gradient(circle,rgba(0,255,136,0.18) 0%,transparent 70%);
    border-radius:50%;
    transition:opacity 0.4s ease;
    opacity:0.6;
}
.mc:hover .mc-img-inner::before { opacity:1; }
.mc-emoji { font-size:3rem; position:relative; z-index:1; filter:drop-shadow(0 0 12px rgba(0,255,136,0.25)); }

/* Wide card: side-by-side layout */
.mc:nth-child(1) .mc-inner,
.mc:nth-child(7) .mc-inner { display:grid; grid-template-columns:1.1fr 1fr; }
.mc:nth-child(1) .mc-img,
.mc:nth-child(7) .mc-img { height:100%; min-height:230px; }
.mc:nth-child(1) .mc-body,
.mc:nth-child(7) .mc-body { display:flex; flex-direction:column; justify-content:center; padding:28px 24px; }
.mc:nth-child(1) .mc-title,
.mc:nth-child(7) .mc-title { font-size:1.12rem; -webkit-line-clamp:3; }

/* Card body */
.mc-body { padding:18px 20px 20px; }
.mc-tag {
    font-size:0.65rem; font-weight:700;
    text-transform:uppercase; letter-spacing:2px;
    color:var(--primary); margin-bottom:8px; display:block;
}
.mc-title {
    font-family:var(--font-heading); font-size:0.97rem;
    font-weight:600; color:var(--text); line-height:1.35;
    margin-bottom:7px; transition:color 0.3s ease;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.mc:hover .mc-title { color:var(--primary); }
.mc-excerpt {
    font-size:0.8rem; color:var(--text-mid); line-height:1.52;
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.mc-foot {
    display:flex; align-items:center; justify-content:space-between;
    margin-top:14px; padding-top:12px;
    border-top:1px solid var(--border);
}
.mc-read {
    font-size:0.74rem; font-weight:700;
    color:var(--primary); display:inline-flex;
    align-items:center; gap:5px; transition:gap 0.2s ease;
}
.mc:hover .mc-read { gap:10px; }

/* Standard grid for category pages */
.card-grid {
    display:grid;
    grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
    gap:18px;
}
.card-grid .mc:nth-child(n) { grid-column:span 1; }
.card-grid .mc .mc-inner { display:block !important; }
.card-grid .mc .mc-img { height:200px !important; min-height:unset !important; }
.card-grid .mc .mc-body { padding:18px 20px 20px !important; }
.card-grid .mc .mc-title { font-size:0.97rem !important; -webkit-line-clamp:2 !important; }

/* ============ SCROLL REVEAL ============ */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

.reveal-left {
    opacity: 0;
    transform: translateX(-24px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ============ KEYFRAMES ============ */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(32px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============ MOBILE HAMBURGER MENU ============ */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px; height: 38px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 9px;
    cursor: pointer;
    padding: 8px;
    transition: border-color 0.2s;
    flex-shrink: 0;
}
.nav-toggle:hover { border-color: var(--primary); }
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--text-mid);
    border-radius: 2px;
    transition: all 0.3s var(--ease);
    transform-origin: center;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--primary); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--primary); }

/* ============ PAGINATION ============ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 40px 0 10px;
}
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px; height: 38px;
    padding: 0 12px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-mid);
    text-decoration: none;
    transition: all 0.2s var(--ease);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }
.pagination span.current { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }
.pagination span.dots { border: none; background: none; }

/* ============ COOKIE CONSENT BANNER ============ */
.cookie-banner {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 9999;
    background: rgba(13, 22, 39, 0.97);
    border-top: 1px solid rgba(0,255,136,0.2);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 20px 24px;
    align-items: center;
    justify-content: center;
    animation: slideUp 0.4s var(--ease) both;
}
@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
}
.cookie-banner-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.cookie-text {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    flex: 1;
    min-width: 260px;
}
.cookie-text strong { display: block; color: var(--text); margin-bottom: 4px; font-size: 0.95rem; }
.cookie-text p { color: var(--text-mid); font-size: 0.83rem; line-height: 1.55; margin: 0; }
.cookie-text a { color: var(--primary); }
.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }
.btn-cookie-essential {
    padding: 10px 18px; border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-mid); font-size: 0.85rem; font-weight: 600;
    cursor: pointer; transition: all 0.2s;
    font-family: var(--font-body);
}
.btn-cookie-essential:hover { border-color: var(--primary); color: var(--primary); }
.btn-cookie-accept {
    padding: 10px 22px; border-radius: 50px;
    border: none;
    background: linear-gradient(135deg, var(--primary), #00cc6f);
    color: #050a14; font-size: 0.85rem; font-weight: 700;
    cursor: pointer; transition: opacity 0.2s;
    font-family: var(--font-body);
}
.btn-cookie-accept:hover { opacity: 0.9; }

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .mosaic { grid-template-columns: repeat(2,1fr); }
    .mosaic .mc:nth-child(1),
    .mosaic .mc:nth-child(7) { grid-column: span 2; }
    .mc:nth-child(1) .mc-inner,
    .mc:nth-child(7) .mc-inner { grid-template-columns: 1fr; }
    .mc:nth-child(1) .mc-img,
    .mc:nth-child(7) .mc-img { height: 220px !important; }
    .article-featured { min-height: 340px; }
    .featured-content { padding: 32px 28px; }
}
@media (max-width: 768px) {
    /* Mobile header: logo + hamburger on one row */
    .header-inner { height: 64px; padding: 0 20px; flex-direction: row; gap: 0; }
    .nav-toggle { display: flex; }

    /* Nav slides down below header */
    .site-nav {
        display: none;
        position: absolute;
        top: 64px; left: 0; right: 0;
        background: rgba(13,22,39,0.98);
        border-bottom: 1px solid var(--border);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        padding: 16px 20px 20px;
        z-index: 999;
    }
    .site-nav.open { display: block; animation: fadeInDown 0.25s var(--ease) both; }
    .site-nav ul { flex-direction: column; gap: 4px; }
    .site-nav a { padding: 10px 16px; border-radius: 10px; font-size: 0.95rem; }

    .hero { padding: 90px 20px 70px; }
    .hero-actions { flex-direction: column; align-items: center; }
    .hero-stats { gap: 32px; }
    .footer-inner { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .affiliate-box { flex-direction: column; text-align: center; }
    .article-featured { min-height: 300px; }
    .featured-content { padding: 24px 20px; }
    .featured-title { font-size: 1.4rem; }
    .editorial-item { grid-template-columns: 36px 1fr; gap: 14px; }
    .e-num { font-size: 1.2rem; }
    .cookie-banner-inner { flex-direction: column; align-items: flex-start; }
    .cookie-actions { width: 100%; }
    .btn-cookie-essential, .btn-cookie-accept { flex: 1; text-align: center; }
}