/* A1Brainy — Component Styles */

/* ══════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════ */
.na-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--na-header-h);
    background: rgba(8, 10, 15, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--na-border);
    transition: background var(--na-transition), box-shadow var(--na-transition);
}
.na-header.is-scrolled {
    background: rgba(8, 10, 15, 0.97);
    box-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}
.na-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--na-header-h);
    gap: 32px;
}

/* Logo */
.na-site-name {
    font-family: var(--na-font-head);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
}
.na-header__logo .custom-logo {
    height: 40px;
    width: auto;
}

/* Nav */
.na-nav { flex: 1; display: flex; justify-content: center; }
.na-nav__list { display: flex; align-items: center; gap: 4px; }
.na-nav__item { position: relative; }
.na-nav__link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    font-family: var(--na-font-head);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--na-text2);
    border-radius: 6px;
    transition: color var(--na-transition), background var(--na-transition);
    white-space: nowrap;
}
.na-nav__link:hover,
.na-nav__item.is-active .na-nav__link {
    color: var(--na-cyan);
    background: var(--na-cyan-dim);
}
.na-nav__chevron { width: 14px; height: 14px; transition: transform var(--na-transition); }
.na-nav__item.has-dropdown:hover .na-nav__chevron { transform: rotate(180deg); }

/* Dropdown */
.na-nav__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 200px;
    background: var(--na-surface);
    border: 1px solid var(--na-border2);
    border-radius: var(--na-radius-sm);
    box-shadow: 0 16px 48px rgba(0,0,0,0.6);
    padding: 8px;
    z-index: 100;
}
.na-nav__item.has-dropdown:hover .na-nav__dropdown { display: block; }
.na-nav__link--sub {
    padding: 10px 14px;
    border-radius: 6px;
    display: block;
    font-size: 13px;
}

/* Header actions */
.na-header__actions { display: flex; align-items: center; gap: 12px; }
.na-btn--sm { padding: 9px 18px; font-size: 13px; }

/* Hamburger */
.na-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
}
.na-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--na-text2);
    border-radius: 2px;
    transition: all var(--na-transition);
}
.na-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--na-cyan); }
.na-hamburger.is-open span:nth-child(2) { opacity: 0; }
.na-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--na-cyan); }

/* Mobile menu */
.na-mobile-menu {
    display: none;
    position: fixed;
    top: var(--na-header-h);
    left: 0; right: 0; bottom: 0;
    background: rgba(8, 10, 15, 0.98);
    z-index: 999;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}
.na-mobile-menu.is-open { transform: translateX(0); }
.na-mobile-menu__inner { padding: 24px; }
.na-mobile-menu__list { display: flex; flex-direction: column; }
.na-mobile-menu__list .menu-item > a {
    display: block;
    padding: 16px 0;
    font-family: var(--na-font-head);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--na-text2);
    border-bottom: 1px solid var(--na-border);
    transition: color var(--na-transition);
}
.na-mobile-menu__list .menu-item > a:hover { color: var(--na-cyan); }
.na-mobile-menu__footer { padding-top: 24px; }
.na-btn--full { width: 100%; justify-content: center; }

@media (max-width: 900px) {
    .na-nav { display: none; }
    .na-hamburger { display: flex; }
    .na-mobile-menu { display: block; }
    .na-header__actions .na-btn:not(.na-hamburger) { display: none; }
}

/* ══════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════ */
.na-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(var(--na-header-h) + 60px) 0 80px;
    overflow: hidden;
}
#na-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.na-hero__grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(184,134,11,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(184,134,11,0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 1;
    pointer-events: none;
}
.na-hero__content {
    position: relative;
    z-index: 2;
    max-width: 780px;
}
.na-hero__eyebrow { margin-bottom: 20px; }
.na-hero__title {
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -1px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, var(--na-cyan) 50%, var(--na-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.na-hero__desc {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--na-text2);
    margin-bottom: 40px;
    max-width: 580px;
    line-height: 1.7;
}
.na-hero__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }

/* Hero chips */
.na-hero__chips { display: flex; gap: 16px; flex-wrap: wrap; }
.na-hero__chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 22px;
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--na-border2);
    border-radius: var(--na-radius-sm);
    backdrop-filter: blur(8px);
    min-width: 90px;
}
.na-hero__chip-num {
    font-family: var(--na-font-head);
    font-size: 22px;
    font-weight: 700;
    color: var(--na-cyan);
    line-height: 1;
}
.na-hero__chip-label { font-size: 11px; color: var(--na-muted); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* Scroll indicator */
.na-hero__scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 2;
}
.na-hero__scroll span { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: var(--na-muted); }
.na-hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--na-cyan), transparent);
    animation: na-scroll-pulse 2s ease-in-out infinite;
}
@keyframes na-scroll-pulse { 0%,100%{opacity:.3;transform:scaleY(.8)} 50%{opacity:1;transform:scaleY(1)} }

/* ══════════════════════════════════════════════════
   STATS BAR
══════════════════════════════════════════════════ */
.na-stats-bar {
    background: var(--na-surface);
    border-top: 1px solid var(--na-border);
    border-bottom: 1px solid var(--na-border);
    padding: 40px 0;
}
.na-stats-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    divide-x: 1px solid var(--na-border);
}
.na-stats-bar .na-stat {
    border-right: 1px solid var(--na-border);
    padding: 16px 24px;
}
.na-stats-bar .na-stat:last-child { border-right: none; }

/* ══════════════════════════════════════════════════
   HOW IT WORKS (homepage)
══════════════════════════════════════════════════ */
.na-how__steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    margin-top: 48px;
}
.na-how__step {
    position: relative;
    text-align: center;
    padding: 0 20px;
}
.na-how__step-num {
    font-family: var(--na-font-head);
    font-size: 56px;
    font-weight: 700;
    line-height: 1;
    background: var(--na-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.25;
    margin-bottom: -20px;
}
.na-how__step-icon { font-size: 40px; margin-bottom: 16px; }
.na-how__step-title { font-family: var(--na-font-head); font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.na-how__step-desc { font-size: 14px; color: var(--na-text2); line-height: 1.6; }
.na-how__connector {
    position: absolute;
    top: 52px;
    right: -20px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--na-cyan), var(--na-purple));
    z-index: 1;
}

/* ══════════════════════════════════════════════════
   FEATURES GRID
══════════════════════════════════════════════════ */
.na-features__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}
.na-feature-card__icon { font-size: 36px; margin-bottom: 16px; }
.na-feature-card__title { font-family: var(--na-font-head); font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.na-feature-card__desc { font-size: 14px; color: var(--na-text2); line-height: 1.6; }
.na-feature-card[data-accent="cyan"]:hover { border-color: var(--na-cyan); box-shadow: var(--na-cyan-glow); }
.na-feature-card[data-accent="purple"]:hover { border-color: var(--na-purple); box-shadow: var(--na-purple-glow); }

/* ══════════════════════════════════════════════════
   RANKS
══════════════════════════════════════════════════ */
.na-ranks__grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 12px;
    margin-top: 48px;
}
.na-rank-card {
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    padding: 20px 12px;
    text-align: center;
    transition: all var(--na-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.na-rank-card:hover { transform: translateY(-4px); border-color: var(--na-cyan); }
.na-rank-card--legend { border-color: var(--na-gold); box-shadow: 0 0 20px rgba(245,158,11,0.2); }
.na-rank-card__icon { font-size: 28px; }
.na-rank-card__name { font-family: var(--na-font-head); font-size: 14px; font-weight: 700; }
.na-rank-card__pts { font-size: 12px; color: var(--na-cyan); font-weight: 600; }
.na-rank-card__desc { font-size: 11px; color: var(--na-muted); line-height: 1.4; }

/* ══════════════════════════════════════════════════
   LEADERBOARD PREVIEW (homepage)
══════════════════════════════════════════════════ */
.na-lb-preview__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.na-lb-preview__board {
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius);
    overflow: hidden;
}
.na-lb-row {
    display: grid;
    grid-template-columns: 48px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--na-border);
    transition: background var(--na-transition);
}
.na-lb-row:last-child { border-bottom: none; }
.na-lb-row:hover { background: var(--na-surface2); }
.na-lb-row--top { background: rgba(245,158,11,0.04); }
.na-lb-row__pos { font-size: 24px; text-align: center; }
.na-lb-row__name { font-family: var(--na-font-head); font-size: 16px; font-weight: 600; display: flex; flex-direction: column; }
.na-lb-row__name small { font-size: 11px; color: var(--na-muted); font-family: var(--na-font-body); font-weight: 400; }
.na-lb-row__score { font-family: var(--na-font-head); font-weight: 700; color: var(--na-gold); font-size: 15px; }
.na-lb-preview__empty { padding: 32px; text-align: center; color: var(--na-muted); }

/* Full leaderboard (leaderboard page) */
.na-lb-tabs { display: flex; gap: 4px; margin-bottom: 24px; flex-wrap: wrap; }
.na-lb-tab {
    padding: 10px 20px;
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    font-family: var(--na-font-head);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--na-text2);
    cursor: pointer;
    transition: all var(--na-transition);
}
.na-lb-tab:hover { border-color: var(--na-cyan); color: var(--na-cyan); }
.na-lb-tab.active { background: var(--na-cyan-dim); border-color: var(--na-cyan); color: var(--na-cyan); }
.na-lb-panel--hidden { display: none; }
.na-lb-full { background: var(--na-surface); border: 1px solid var(--na-border); border-radius: var(--na-radius); overflow: hidden; }
.na-lb-full__header {
    display: grid;
    grid-template-columns: 60px 1fr 120px 80px;
    gap: 12px;
    padding: 12px 20px;
    background: var(--na-surface2);
    border-bottom: 1px solid var(--na-border);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--na-muted);
    font-weight: 600;
}
.na-lb-full__row {
    display: grid;
    grid-template-columns: 60px 1fr 120px 80px;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    border-bottom: 1px solid var(--na-border);
    transition: background var(--na-transition);
}
.na-lb-full__row:last-child { border-bottom: none; }
.na-lb-full__row:hover { background: var(--na-surface2); }
.na-lb-full__row--top { background: rgba(245,158,11,0.04); }
.na-lb-full__row--me { border-left: 3px solid var(--na-cyan); background: var(--na-cyan-dim); }
.na-lb-full__pos { font-size: 22px; text-align: center; }
.na-lb-full__player { font-family: var(--na-font-head); font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.na-lb-full__score { font-family: var(--na-font-head); font-weight: 700; color: var(--na-gold); }
.na-lb-full__played { font-size: 13px; color: var(--na-text2); }

/* ══════════════════════════════════════════════════
   CTA BANNER
══════════════════════════════════════════════════ */
.na-cta-banner {
    background: linear-gradient(135deg, rgba(184,134,11,0.08), rgba(139,105,20,0.08));
    border-top: 1px solid var(--na-border);
    border-bottom: 1px solid var(--na-border);
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
.na-cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 100% at 50% 50%, rgba(184,134,11,0.06), transparent);
    pointer-events: none;
}
.na-cta-banner__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
    position: relative;
}
.na-cta-banner__copy h2 { margin-bottom: 8px; }
.na-cta-banner__copy p { color: var(--na-text2); margin: 0; }
.na-cta-banner__actions { display: flex; gap: 16px; flex-shrink: 0; flex-wrap: wrap; }

/* ══════════════════════════════════════════════════
   PAGE HERO
══════════════════════════════════════════════════ */
.na-page-hero {
    padding: calc(var(--na-header-h) + 80px) 0 80px;
    position: relative;
    overflow: hidden;
}
.na-page-hero--sm { padding: calc(var(--na-header-h) + 48px) 0 48px; }
.na-page-hero__title { margin-bottom: 16px; }
.na-page-hero__desc { font-size: 18px; color: var(--na-text2); max-width: 560px; }
.na-page-hero__line {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--na-cyan), var(--na-purple), transparent);
    opacity: 0.5;
}
.na-page-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.na-page-hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(8,10,15,0.7), rgba(8,10,15,0.95));
    z-index: 1;
}
.na-page-hero--post .na-container { position: relative; z-index: 2; }
.na-page-hero__post-meta { margin-bottom: 16px; }
.na-page-hero__content--post { position: relative; z-index: 2; max-width: 760px; }

/* ══════════════════════════════════════════════════
   ABOUT PAGE
══════════════════════════════════════════════════ */
.na-about-mission {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 64px;
    align-items: center;
}
.na-about-mission__card {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 240px;
}
.na-about-mission__stat { text-align: center; }
.na-about-mission__stat span {
    display: block;
    font-family: var(--na-font-head);
    font-size: 48px;
    font-weight: 700;
    background: var(--na-grad-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.na-about-mission__stat small { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--na-muted); }

/* How it works (about page) */
.na-hiw-step {
    display: grid;
    grid-template-columns: 160px 1fr;
    gap: 48px;
    align-items: center;
    padding: 48px 0;
    border-bottom: 1px solid var(--na-border);
}
.na-hiw-step:last-child { border-bottom: none; }
.na-hiw-step--reverse { direction: rtl; }
.na-hiw-step--reverse > * { direction: ltr; }
.na-hiw-step__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: 50%;
    flex-shrink: 0;
}
.na-hiw-step__icon { font-size: 56px; z-index: 1; }
.na-hiw-step__num {
    position: absolute;
    top: -10px; right: -10px;
    font-family: var(--na-font-head);
    font-size: 48px;
    font-weight: 700;
    color: var(--na-cyan);
    opacity: 0.15;
    line-height: 1;
}
.na-hiw-step__content h3 { font-size: 24px; margin-bottom: 12px; }
.na-hiw-step__list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.na-hiw-step__list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--na-text2); }
.na-hiw-check { color: var(--na-green); font-weight: 700; }

/* FAQ */
.na-faq-item {
    border-bottom: 1px solid var(--na-border);
}
.na-faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: none;
    border: none;
    color: var(--na-text);
    font-family: var(--na-font-head);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    gap: 16px;
    cursor: pointer;
    transition: color var(--na-transition);
}
.na-faq-item__question:hover { color: var(--na-cyan); }
.na-faq-item__icon { font-size: 24px; flex-shrink: 0; transition: transform var(--na-transition); color: var(--na-cyan); }
.na-faq-item.is-open .na-faq-item__icon { transform: rotate(45deg); }
.na-faq-item__answer { overflow: hidden; max-height: 0; transition: max-height 0.4s ease, padding 0.3s ease; }
.na-faq-item.is-open .na-faq-item__answer { max-height: 300px; padding-bottom: 20px; }
.na-faq-item__answer p { color: var(--na-text2); }

/* ══════════════════════════════════════════════════
   CONTACT PAGE
══════════════════════════════════════════════════ */
.na-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 64px;
    align-items: start;
}
.na-contact-info h2 { margin-bottom: 16px; }
.na-contact-info__items { display: flex; flex-direction: column; gap: 24px; margin-top: 32px; }
.na-contact-info__item { display: flex; align-items: flex-start; gap: 16px; }
.na-contact-info__icon { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.na-contact-info__item strong { display: block; font-family: var(--na-font-head); font-size: 14px; letter-spacing: 0.5px; color: var(--na-text); margin-bottom: 2px; }
.na-contact-info__item a,
.na-contact-info__item span { font-size: 14px; color: var(--na-text2); }
.na-contact-info__item a:hover { color: var(--na-cyan); }

/* Form styles */
.na-contact-form-wrap {
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius);
    padding: 36px;
}
.na-form-row--2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.na-form-group { margin-bottom: 20px; }
.na-form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--na-muted);
    margin-bottom: 8px;
}
.na-form-group input,
.na-form-group select,
.na-form-group textarea {
    width: 100%;
    padding: 13px 16px;
    background: var(--na-bg2);
    border: 1px solid var(--na-border2);
    border-radius: var(--na-radius-sm);
    color: var(--na-text);
    font-size: 15px;
    font-family: var(--na-font-body);
    outline: none;
    transition: border-color var(--na-transition), box-shadow var(--na-transition);
}
.na-form-group input:focus,
.na-form-group select:focus,
.na-form-group textarea:focus {
    border-color: var(--na-cyan);
    box-shadow: 0 0 0 3px var(--na-cyan-dim);
}
.na-form-group select { appearance: none; cursor: pointer; }
.na-form-group textarea { resize: vertical; min-height: 140px; }
.na-form-success { padding: 14px 18px; background: rgba(16,185,129,0.1); border: 1px solid var(--na-green); border-radius: var(--na-radius-sm); color: var(--na-green); font-size: 14px; margin-bottom: 16px; }
.na-form-error   { padding: 14px 18px; background: rgba(239,68,68,0.1);   border: 1px solid var(--na-red);   border-radius: var(--na-radius-sm); color: var(--na-red);   font-size: 14px; margin-bottom: 16px; }

/* ══════════════════════════════════════════════════
   BLOG
══════════════════════════════════════════════════ */
.na-content-grid { display: grid; grid-template-columns: 1fr 300px; gap: 48px; padding: 48px 0; align-items: start; }
.na-content-grid--blog { grid-template-columns: 1fr 280px; }
.na-content-grid__main {}

.na-blog-grid { display: grid; gap: 32px; }
.na-blog-card {
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius);
    overflow: hidden;
    display: grid;
    grid-template-rows: auto 1fr;
    transition: border-color var(--na-transition), transform var(--na-transition);
}
.na-blog-card:hover { border-color: var(--na-cyan); transform: translateY(-2px); }
.na-blog-card__thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.na-blog-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.na-blog-card:hover .na-blog-card__thumb img { transform: scale(1.04); }
.na-blog-card__thumb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 40%, rgba(17,20,32,0.9));
}
.na-blog-card__body { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.na-blog-card__meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.na-blog-card__title { font-family: var(--na-font-head); font-size: 20px; font-weight: 700; }
.na-blog-card__title a { transition: color var(--na-transition); }
.na-blog-card__title a:hover { color: var(--na-cyan); }
.na-blog-card__excerpt { color: var(--na-text2); font-size: 14px; line-height: 1.7; flex: 1; }

/* Post meta */
.na-post-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--na-muted); }
.na-post-meta a { color: var(--na-cyan); }
.na-reading-time { font-size: 12px; color: var(--na-muted); }
.na-read-more { color: var(--na-cyan); font-size: 13px; }

/* Single post */
.na-entry--single { padding: 0; }
.na-entry__content {
    font-size: 16px;
    line-height: 1.85;
    color: var(--na-text2);
}
.na-entry__content h1,.na-entry__content h2,.na-entry__content h3,
.na-entry__content h4,.na-entry__content h5,.na-entry__content h6 {
    color: var(--na-text);
    margin-top: 2em;
    margin-bottom: 0.75em;
}
.na-entry__content a { color: var(--na-cyan); text-decoration: underline; }
.na-entry__content blockquote {
    border-left: 3px solid var(--na-cyan);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--na-surface);
    border-radius: 0 var(--na-radius-sm) var(--na-radius-sm) 0;
    color: var(--na-text);
    font-style: italic;
}
.na-entry__content code {
    background: var(--na-surface2);
    border: 1px solid var(--na-border);
    border-radius: 4px;
    padding: 2px 6px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 13px;
    color: var(--na-cyan);
}
.na-entry__content pre {
    background: var(--na-surface2);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    padding: 20px;
    overflow-x: auto;
    margin: 24px 0;
}
.na-entry__content pre code { background: none; border: none; padding: 0; }
.na-entry__content img { border-radius: var(--na-radius-sm); margin: 24px 0; }
.na-entry__content ul, .na-entry__content ol { padding-left: 24px; margin-bottom: 16px; list-style: revert; }
.na-entry__content li { margin-bottom: 6px; }
.na-entry__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--na-border); }

/* Post navigation */
.na-post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--na-border); }
.na-post-nav__item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px;
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    transition: border-color var(--na-transition);
}
.na-post-nav__item:hover { border-color: var(--na-cyan); }
.na-post-nav__item--next { text-align: right; }
.na-post-nav__label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--na-muted); font-weight: 600; }
.na-post-nav__title { font-family: var(--na-font-head); font-size: 15px; font-weight: 600; color: var(--na-text); }

/* Sidebar */
.na-sidebar { display: flex; flex-direction: column; gap: 24px; }
.na-widget { background: var(--na-surface); border: 1px solid var(--na-border); border-radius: var(--na-radius); padding: 24px; }
.na-widget__title { font-family: var(--na-font-head); font-size: 16px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; color: var(--na-cyan); }
.na-widget a { color: var(--na-text2); transition: color var(--na-transition); }
.na-widget a:hover { color: var(--na-cyan); }
.na-widget ul { display: flex; flex-direction: column; gap: 8px; }
.na-widget ul li { font-size: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--na-border); }
.na-widget ul li:last-child { border-bottom: none; padding-bottom: 0; }

/* Pagination */
.na-pagination { margin-top: 48px; display: flex; justify-content: center; }
.na-pagination .nav-links { display: flex; gap: 8px; align-items: center; }
.na-pagination .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: var(--na-radius-sm);
    font-family: var(--na-font-head);
    font-size: 15px;
    color: var(--na-text2);
    transition: all var(--na-transition);
}
.na-pagination .page-numbers:hover,
.na-pagination .page-numbers.current {
    background: var(--na-cyan-dim);
    border-color: var(--na-cyan);
    color: var(--na-cyan);
}

/* ══════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════ */
.na-footer { background: var(--na-bg2); }
.na-footer__top { padding: 64px 0; }
.na-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    align-items: start;
}
.na-footer__brand { display: flex; flex-direction: column; gap: 16px; }
.na-footer__tagline { font-size: 14px; color: var(--na-muted); }
.na-footer__col {}
.na-footer__bottom { padding: 20px 0; }
.na-footer__bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.na-footer__copy { font-size: 13px; color: var(--na-muted); }
.na-footer__nav { display: flex; gap: 20px; }
.na-footer__nav li a { font-size: 13px; color: var(--na-muted); transition: color var(--na-transition); }
.na-footer__nav li a:hover { color: var(--na-cyan); }
.na-social-links { display: flex; gap: 12px; }
.na-social-links li a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--na-surface);
    border: 1px solid var(--na-border);
    border-radius: 50%;
    font-size: 16px;
    color: var(--na-text2);
    transition: all var(--na-transition);
}
.na-social-links li a:hover { border-color: var(--na-cyan); color: var(--na-cyan); background: var(--na-cyan-dim); }

/* ══════════════════════════════════════════════════
   404 PAGE
══════════════════════════════════════════════════ */
.na-404 {
    text-align: center;
    padding: 120px 0;
    max-width: 560px;
    margin: 0 auto;
}
.na-404__glitch {
    font-family: var(--na-font-head);
    font-size: clamp(6rem, 20vw, 12rem);
    font-weight: 700;
    line-height: 1;
    color: var(--na-cyan);
    position: relative;
    text-shadow: 0 0 40px rgba(184,134,11,0.5);
    margin-bottom: 16px;
    animation: na-glitch 3s infinite;
}
@keyframes na-glitch {
    0%,95%,100% { text-shadow: 0 0 40px rgba(184,134,11,.5); transform: none; }
    96% { text-shadow: -2px 0 var(--na-purple), 2px 0 var(--na-cyan); transform: translateX(-2px); }
    97% { text-shadow: 2px 0 var(--na-purple), -2px 0 var(--na-cyan); transform: translateX(2px); }
    98% { text-shadow: 0 0 40px rgba(184,134,11,.5); transform: none; }
}
.na-404 h1 { margin-bottom: 16px; }
.na-404 p { color: var(--na-text2); margin-bottom: 32px; }
.na-404__actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.na-404 .search-form { display: flex; gap: 8px; justify-content: center; }
.na-404 .search-field { padding: 12px 16px; background: var(--na-surface); border: 1px solid var(--na-border); border-radius: var(--na-radius-sm); color: var(--na-text); font-family: var(--na-font-body); outline: none; }
.na-404 .search-field:focus { border-color: var(--na-cyan); }
.na-404 .search-submit { padding: 12px 20px; background: var(--na-cyan-dim); border: 1px solid var(--na-cyan); color: var(--na-cyan); border-radius: var(--na-radius-sm); font-family: var(--na-font-head); font-weight: 600; cursor: pointer; transition: all var(--na-transition); }
.na-404 .search-submit:hover { background: var(--na-cyan); color: var(--na-bg); }

/* ══════════════════════════════════════════════════
   RESPONSIVE OVERRIDES
══════════════════════════════════════════════════ */
@media (max-width: 1100px) {
    .na-ranks__grid { grid-template-columns: repeat(4, 1fr); }
    .na-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .na-how__steps { grid-template-columns: 1fr 1fr; gap: 40px; }
    .na-how__connector { display: none; }
    .na-features__grid { grid-template-columns: 1fr 1fr; }
    .na-lb-preview__inner { grid-template-columns: 1fr; gap: 40px; }
    .na-stats-bar__grid { grid-template-columns: repeat(2,1fr); }
    .na-about-mission { grid-template-columns: 1fr; }
    .na-contact-grid { grid-template-columns: 1fr; }
    .na-content-grid { grid-template-columns: 1fr; }
    .na-cta-banner__inner { flex-direction: column; text-align: center; }
    .na-hiw-step { grid-template-columns: 120px 1fr; gap: 24px; }
    .na-hiw-step--reverse { direction: ltr; }
}

@media (max-width: 640px) {
    .na-ranks__grid { grid-template-columns: repeat(2, 1fr); }
    .na-how__steps { grid-template-columns: 1fr; }
    .na-features__grid { grid-template-columns: 1fr; }
    .na-footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .na-footer__bottom-inner { flex-direction: column; text-align: center; }
    .na-lb-full__header,
    .na-lb-full__row { grid-template-columns: 48px 1fr 90px; }
    .na-lb-full__header span:last-child,
    .na-lb-full__played { display: none; }
    .na-form-row--2 { grid-template-columns: 1fr; }
    .na-hiw-step { grid-template-columns: 1fr; text-align: center; }
    .na-hiw-step__visual { margin: 0 auto; }
    .na-post-nav { grid-template-columns: 1fr; }
}