/* ============================================
   KK Blog — HK Night Neon
   Palette: warm-black · neon red · kanji green
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&family=Noto+Serif+TC:wght@700;900&display=swap');

:root {
    --bg: #0c0a10;
    --bg-card: #15121b;
    --bg-card-hover: #1d1a25;
    --border: rgba(236, 231, 216, 0.1);
    --border-strong: rgba(236, 231, 216, 0.2);
    --text: #ece7d8;
    --text-muted: #a39c8a;
    --text-dim: #6b665c;

    /* Neon red primary */
    --accent: #ff2238;
    --accent-dark: #cc0019;
    --accent-glow: 255, 34, 56;
    --accent-glow-css: rgba(255, 34, 56, 0.35);

    /* Kanji green secondary */
    --accent-2: #2bff7a;
    --accent-2-glow: 43, 255, 122;

    /* Amber tertiary */
    --amber: #ffb84d;

    /* Category colors */
    --cat-crypto: #ffb84d;
    --cat-tech: #2bff7a;
    --cat-dev: #2bff7a;
    --cat-games: #ff2238;
    --cat-personal: #a78bfa;

    --radius: 3px;
    --radius-sm: 2px;
    --shadow: 3px 3px 0 0 rgba(0, 0, 0, 0.6);
    --shadow-accent: 0 0 24px rgba(255, 34, 56, 0.2);
    --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
ul { list-style: none; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================
   MONO LABEL (JetBrains Mono metadata)
   ============================================ */

.label-mono {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* ============================================
   NEON UTILITIES
   ============================================ */

.neon-red {
    color: var(--accent);
    text-shadow:
        0 0 6px rgba(var(--accent-glow), 0.9),
        0 0 14px rgba(var(--accent-glow), 0.55),
        0 0 28px rgba(var(--accent-glow), 0.3);
}

.neon-green {
    color: var(--accent-2);
    text-shadow:
        0 0 6px rgba(var(--accent-2-glow), 0.9),
        0 0 14px rgba(var(--accent-2-glow), 0.55),
        0 0 28px rgba(var(--accent-2-glow), 0.3);
}

.neon-underline {
    text-decoration: underline wavy var(--accent);
    text-underline-offset: 5px;
    color: var(--text);
}

/* ============================================
   KANJI DECORATION
   ============================================ */

.kanji {
    font-family: 'Noto Serif TC', 'Ma Shan Zheng', serif;
    font-weight: 900;
    writing-mode: vertical-rl;
    letter-spacing: 0.1em;
    color: var(--accent-2);
    text-shadow:
        0 0 6px rgba(var(--accent-2-glow), 0.85),
        0 0 16px rgba(var(--accent-2-glow), 0.45);
    user-select: none;
    line-height: 1.2;
}

/* ============================================
   SCROLLING PRICE TICKER
   ============================================ */

.price-ticker {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 8px 0;
    position: sticky;
    top: 68px;
    z-index: 99;
    overflow: hidden;
}

.ticker-viewport { overflow: hidden; position: relative; }

.ticker-content {
    display: flex;
    gap: 0;
    width: max-content;
    animation: ticker-scroll 22s linear infinite;
    will-change: transform;
}

.ticker-content.paused { animation-play-state: paused; }

@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 28px 4px 0;
    cursor: pointer;
    white-space: nowrap;
    border-right: 1px solid var(--border);
    margin-right: 28px;
}

.ticker-item:hover { opacity: 0.75; }

.ticker-symbol {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    min-width: 46px;
}

.ticker-price {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text);
}

.ticker-change {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 2px;
    min-width: 58px;
    text-align: center;
}

.ticker-change.positive {
    color: var(--accent-2);
    background: rgba(43, 255, 122, 0.1);
}

.ticker-change.negative {
    color: var(--accent);
    background: rgba(255, 34, 56, 0.1);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    background: rgba(12, 10, 16, 0.9);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    height: 68px;
    display: flex;
    align-items: center;
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.04em;
    display: inline-flex;
    align-items: center;
    gap: 0;
    white-space: nowrap;
}

.logo:hover { color: var(--text); }

.logo-slash {
    color: var(--text-dim);
    margin: 0 4px;
}

.logo-kanji {
    font-family: 'Noto Serif TC', serif;
    font-weight: 900;
    font-size: 0.88em;
    color: var(--accent-2);
    text-shadow:
        0 0 7px rgba(var(--accent-2-glow), 0.8),
        0 0 16px rgba(var(--accent-2-glow), 0.4);
    letter-spacing: 0.06em;
    margin-left: 5px;
    writing-mode: horizontal-tb;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0; right: 0;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transition: var(--transition);
    box-shadow: 0 0 6px rgba(var(--accent-glow), 0.7);
}

.nav-links a:hover,
.nav-links a.active { color: var(--text); }

.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-toggle span {
    width: 22px; height: 2px;
    background: var(--text);
    border-radius: 1px;
    transition: var(--transition);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: var(--radius);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    border: 1.5px solid;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: transparent;
    border-color: var(--accent);
    color: var(--accent);
    box-shadow:
        inset 0 0 10px rgba(var(--accent-glow), 0.15),
        0 0 14px rgba(var(--accent-glow), 0.3);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.6);
}

.btn-primary:hover {
    background: rgba(var(--accent-glow), 0.08);
    box-shadow:
        inset 0 0 14px rgba(var(--accent-glow), 0.25),
        0 0 22px rgba(var(--accent-glow), 0.5);
}

.btn-secondary {
    background: transparent;
    border-color: var(--accent-2);
    color: var(--accent-2);
    box-shadow:
        inset 0 0 10px rgba(var(--accent-2-glow), 0.1),
        0 0 12px rgba(var(--accent-2-glow), 0.2);
    text-shadow: 0 0 6px rgba(var(--accent-2-glow), 0.5);
}

.btn-secondary:hover {
    background: rgba(var(--accent-2-glow), 0.06);
    box-shadow:
        inset 0 0 14px rgba(var(--accent-2-glow), 0.18),
        0 0 20px rgba(var(--accent-2-glow), 0.4);
}

.btn-ghost {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--text-muted);
}

.btn-ghost:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

/* ============================================
   TRON HORIZON HERO  (H1)
   ============================================ */

.hero-tron-section {
    position: relative;
    padding-top: 68px;
    overflow: hidden;
    min-height: 620px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Animated Tron perspective grid */
.tron-grid {
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(
            90deg,
            transparent 0 calc((100% / 14) - 1px),
            rgba(var(--accent-glow), 0.45) calc((100% / 14) - 1px) calc(100% / 14)
        );
    mask-image: linear-gradient(180deg, transparent 30%, black 100%);
    -webkit-mask-image: linear-gradient(180deg, transparent 30%, black 100%);
    transform: perspective(480px) rotateX(60deg);
    transform-origin: center 68%;
    pointer-events: none;
}

.tron-grid::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent 0 29px,
        rgba(var(--accent-glow), 0.45) 29px 30px
    );
    animation: tron-pan 3s linear infinite;
}

@keyframes tron-pan {
    0%   { background-position: 0 0; }
    100% { background-position: 0 30px; }
}

/* Green horizon scan line */
.tron-horizon {
    position: absolute;
    left: 0; right: 0;
    top: 68%;
    height: 2px;
    background: var(--accent-2);
    box-shadow:
        0 0 18px rgba(var(--accent-2-glow), 0.9),
        0 0 5px rgba(var(--accent-2-glow), 1);
    pointer-events: none;
    z-index: 1;
}

/* Vertical kanji in corner */
.tron-kanji {
    position: absolute;
    top: 88px;
    right: 28px;
    font-size: 1.3rem;
    z-index: 2;
}

/* Hero content */
.hero-tron-inner {
    position: relative;
    z-index: 2;
    padding: 60px 0 50px;
}

.hero-title-line1 {
    font-family: 'Inter', sans-serif;
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.0;
    color: var(--text);
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}

.hero-title-line2 {
    font-family: 'Inter', sans-serif;
    font-size: 3.8rem;
    font-weight: 900;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: 22px;
    color: var(--text-muted);
}

.hero-desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    max-width: 500px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* B</>AILEARN logomark */
.hero-logomark {
    position: absolute;
    right: 0;
    bottom: 30px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    z-index: 2;
}

.hero-logomark .accent-red {
    color: var(--accent);
    text-shadow: 0 0 8px rgba(var(--accent-glow), 0.7);
}

.hero-logomark .accent-green {
    color: var(--accent-2);
    text-shadow: 0 0 8px rgba(var(--accent-2-glow), 0.7);
}

/* ============================================
   LEGACY HERO (kept for fallback)
   ============================================ */

.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 60px;
    align-items: center;
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 28px;
}

.section-title {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.01em;
}

.section-title .mono-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--accent);
    margin-right: 10px;
}

.see-all {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    transition: var(--transition);
}

.see-all:hover { color: var(--accent-dark); }

/* ============================================
   CATEGORY PILLS
   ============================================ */

.section-categories { padding: 0 0 32px; }

.category-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.pill {
    padding: 6px 16px;
    border-radius: 2px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    color: var(--text-muted);
    transition: var(--transition);
    cursor: pointer;
}

.pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 0 10px rgba(var(--accent-glow), 0.25);
}

.pill.active {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow:
        inset 0 0 8px rgba(var(--accent-glow), 0.15),
        0 0 12px rgba(var(--accent-glow), 0.35);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.5);
}

/* Accent pill (featured/neon variant) */
.accent-pill {
    display: inline-block;
    padding: 6px 16px;
    border: 1.5px solid var(--accent);
    border-radius: 2px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    box-shadow: 0 0 10px rgba(var(--accent-glow), 0.35);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.5);
    cursor: pointer;
}

/* ============================================
   FEATURED SECTION
   ============================================ */

.section-featured { padding: 40px 0; }

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* ============================================
   POST CARDS
   ============================================ */

.post-card {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.post-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(var(--accent-glow), 0.3);
    transform: translate(-1px, -2px);
    box-shadow:
        4px 4px 0 0 rgba(0, 0, 0, 0.7),
        0 0 20px rgba(var(--accent-glow), 0.08);
}

.post-featured .post-img { height: 220px; }

.post-img {
    height: 190px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.post-video-container { background: #000; }
.post-video-container video { max-height: 450px; object-fit: cover; }

/* Standard dark background for all icon-placeholder post images */
.post-img.post-img-dark {
    background: #0f0e16;
    border-bottom: 1px solid var(--border);
}

.post-img-icon {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--text-dim);
}

.post-body { padding: 20px 22px; }

.post-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.post-cat {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 2px 8px;
    border-radius: 2px;
    border: 1px solid var(--border-strong);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-dim);
}

/* 3-colour rule: green = knowledge, amber = money, red = action, neutral = rest */
.cat-tech,
.cat-dev {
    border-color: rgba(43, 255, 122, 0.25);
    color: var(--accent-2);
}

.cat-crypto {
    border-color: rgba(255, 184, 77, 0.25);
    color: var(--amber);
}

.cat-games {
    border-color: rgba(255, 34, 56, 0.25);
    color: var(--accent);
}

.cat-personal {
    border-color: var(--border-strong);
    color: var(--text-muted);
}

.post-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    color: var(--text-dim);
    letter-spacing: 0.06em;
}

.post-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.post-title a:hover { color: var(--accent-2); }

.post-excerpt {
    font-size: 0.86rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 14px;
}

.read-more {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    transition: var(--transition);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.4);
}

.read-more:hover { text-shadow: 0 0 10px rgba(var(--accent-glow), 0.7); }

/* ============================================
   NEWSLETTER
   ============================================ */

.section-newsletter { padding: 48px 0; }

.newsletter-box {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 48px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.newsletter-box::before {
    content: '';
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 260px; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    box-shadow: 0 0 14px rgba(var(--accent-glow), 0.5);
}

.newsletter-text h2 {
    font-family: 'Inter', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 10px;
}

.newsletter-text p {
    color: var(--text-muted);
    max-width: 420px;
    margin: 0 auto 28px;
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
    gap: 10px;
    max-width: 440px;
    margin: 0 auto;
    justify-content: center;
}

.newsletter-input,
.newsletter-form input[type="email"] {
    flex: 1;
    padding: 10px 16px;
    background: rgba(255,255,255,0.04);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    outline: none;
    transition: var(--transition);
}

.newsletter-input:focus,
.newsletter-form input[type="email"]:focus {
    border-color: var(--accent);
    background: rgba(var(--accent-glow), 0.03);
}

.newsletter-form input::placeholder { color: var(--text-dim); }

/* ============================================
   FOOTER
   ============================================ */

.footer {
    border-top: 1px solid var(--border);
    padding-top: 52px;
}

.footer-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    padding-bottom: 40px;
}

.footer-brand .logo {
    display: inline-block;
    margin-bottom: 14px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.footer-col h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--text-dim);
    margin-bottom: 14px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.footer-col a {
    font-size: 0.86rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-col a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 18px 0;
}

.footer-bottom p {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    color: var(--text-dim);
}

/* ============================================
   BLOG PAGE  (B1 · Neon Tag Grid)
   ============================================ */

.blog-neon-header {
    padding: 110px 0 0;
    text-align: left;
}

.blog-neon-header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 4rem;
    font-weight: 900;
    color: var(--text);
    line-height: 1;
    letter-spacing: -0.04em;
    margin-top: 8px;
    margin-bottom: 0;
}

.blog-filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 22px 0 8px;
    flex-wrap: wrap;
}

.blog-search-input {
    margin-left: auto;
    padding: 6px 14px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    outline: none;
    transition: var(--transition);
    width: 220px;
}

.blog-search-input::placeholder { color: var(--text-dim); }

.blog-search-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 10px rgba(var(--accent-glow), 0.2);
}

/* Featured full-width post */
.post-card-featured-full {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    margin-bottom: 20px;
}

.post-card-featured-full:hover {
    border-color: rgba(var(--accent-glow), 0.3);
    transform: translate(-1px, -2px);
    box-shadow:
        4px 4px 0 0 rgba(0, 0, 0, 0.7),
        0 0 20px rgba(var(--accent-glow), 0.08);
}

.post-card-featured-full .post-img {
    height: 280px;
}

.post-card-featured-full .post-body {
    padding: 28px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.post-card-featured-full .post-title {
    font-size: 1.3rem;
    margin-bottom: 12px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-bottom: 60px;
}

/* Legacy page-hero */
.page-hero {
    padding: 130px 0 48px;
    text-align: center;
}

.page-hero h1 {
    font-family: 'Inter', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -0.03em;
}

.page-hero p { color: var(--text-muted); font-size: 1rem; }

/* ============================================
   ABOUT PAGE  (A3 · Dossier)
   ============================================ */

.dossier-section {
    padding-top: 68px;
}

/* Classification header strip */
.dossier-header {
    padding: 28px 0;
    border-bottom: 1.5px dashed rgba(var(--accent-glow), 0.25);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.dossier-title {
    font-family: 'Inter', sans-serif;
    font-size: 2.8rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-top: 6px;
    line-height: 1;
}

/* Two-column dossier grid */
.dossier-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 24px;
    padding: 28px 0 80px;
}

/* ID card (left column) */
.dossier-id-card {
    background: var(--bg-card);
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 18px;
    position: relative;
    box-shadow: var(--shadow);
}

/* Crop mark corners */
.dossier-id-card::before,
.dossier-id-card::after {
    content: '';
    position: absolute;
    width: 14px; height: 14px;
    border: 1.5px solid var(--text-dim);
}
.dossier-id-card::before {
    top: -1px; left: -1px;
    border-right: none; border-bottom: none;
}
.dossier-id-card::after {
    bottom: -1px; right: -1px;
    border-left: none; border-top: none;
}

.dossier-id-inner {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.dossier-photo {
    width: 120px;
    height: 155px;
    background:
        repeating-linear-gradient(135deg, transparent 0 6px, rgba(255,255,255,0.04) 6px 7px);
    border: 1.5px solid var(--border-strong);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

.dossier-photo::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(45deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5% 50.5%, transparent 50.5%),
        linear-gradient(-45deg, transparent 49.5%, rgba(255,255,255,0.1) 49.5% 50.5%, transparent 50.5%);
}

.dossier-photo-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-dim);
    z-index: 1;
}

.dossier-meta { flex: 1; }

.dossier-subject-name {
    font-family: 'Inter', sans-serif;
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text);
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.dossier-alias {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.dossier-meta-table {
    display: grid;
    grid-template-columns: 58px 1fr;
    row-gap: 5px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
}

.dossier-meta-table .key { color: var(--text-dim); text-transform: uppercase; }
.dossier-meta-table .val { color: var(--text-muted); }
.dossier-meta-table .val-accent {
    color: var(--accent);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.5);
}

.dossier-divider {
    height: 0;
    border-top: 1px dashed var(--border-strong);
    margin: 14px 0;
}

.dossier-aliases {
    display: flex;
    gap: 7px;
    flex-wrap: wrap;
}

.dossier-alias-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 8px;
    border: 1px solid var(--border-strong);
    color: var(--text-muted);
    border-radius: 2px;
}

.dossier-stamp {
    position: absolute;
    bottom: 16px;
    right: 16px;
    transform: rotate(-4deg);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 3px 12px;
    border: 2px solid var(--accent-2);
    color: var(--accent-2);
    text-shadow: 0 0 8px rgba(var(--accent-2-glow), 0.7);
    box-shadow: 0 0 10px rgba(var(--accent-2-glow), 0.3);
}

/* Right column: panels */
.dossier-panels {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dossier-panel {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.dossier-panel:hover {
    border-color: rgba(var(--accent-glow), 0.25);
}

.dossier-panel-section {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    text-shadow: 0 0 6px rgba(var(--accent-glow), 0.4);
    margin-bottom: 6px;
}

.dossier-panel-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 10px;
}

.dossier-panel-body {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.75;
}

.dossier-panel-body p { margin-bottom: 10px; }
.dossier-panel-body p:last-child { margin-bottom: 0; }

.dossier-panel-body ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-left: 0;
}

.dossier-panel-body ul li::before {
    content: '▸ ';
    color: var(--accent);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}

.dossier-contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    margin-top: 4px;
}

.dossier-contact-grid .contact-accent {
    color: var(--accent-2);
    text-shadow: 0 0 6px rgba(var(--accent-2-glow), 0.4);
}

/* ============================================
   POST / ARTICLE PAGE
   ============================================ */

.post-page {
    padding: 120px 0 80px;
    max-width: 720px;
    margin: 0 auto;
}

.post-page-header {
    text-align: center;
    margin-bottom: 48px;
}

.post-page-header .post-cat {
    margin-bottom: 16px;
    display: inline-block;
}

.post-page-header h1 {
    font-family: 'Inter', sans-serif;
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.post-page-header .post-meta { justify-content: center; }

.post-cover {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    font-size: 5rem;
}

.post-content {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.85;
}

.post-content p { margin-bottom: 24px; }

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 40px 0 16px;
}

.post-content ul {
    list-style: disc;
    padding-left: 24px;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.post-content li { color: var(--text-muted); }
.post-content strong { color: var(--text); }

.post-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-top: 40px;
    transition: var(--transition);
}

.post-back:hover { color: var(--accent); }

/* ============================================
   ABOUT legacy (for contact & other pages)
   ============================================ */

.about-section { padding: 130px 0 80px; }

.about-grid {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 60px;
    align-items: start;
}

.about-img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius);
    object-fit: cover;
    border: 2px solid var(--border);
}

.about-content h1 {
    font-family: 'Inter', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.about-role {
    color: var(--accent-2);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 28px;
}

.about-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-skills { margin-top: 32px; }

.about-skills h3 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-dim);
    margin-bottom: 12px;
}

.skill-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.skill-tag {
    padding: 5px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 2px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-section { padding: 130px 0 80px; }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h1 {
    font-family: 'Inter', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.contact-info > p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.contact-method-icon {
    width: 40px; height: 40px;
    border-radius: 2px;
    background: rgba(var(--accent-glow), 0.06);
    border: 1px solid rgba(var(--accent-glow), 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-method-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.contact-method-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-dim);
}

.contact-method-value {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text);
}

.contact-form {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
}

.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    background: rgba(var(--accent-glow), 0.03);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group textarea { min-height: 130px; }

/* ============================================
   PAGINATION
   ============================================ */

.pagination { text-align: center; margin: 30px 0; }

.pagination button.pill { min-width: 40px; background: var(--bg-card); border: 1.5px solid var(--border); color: var(--text-muted); cursor: pointer; font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; letter-spacing: 0.08em; }

.pagination button.pill:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 8px rgba(var(--accent-glow), 0.25); }

.pagination button.pill.active { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 10px rgba(var(--accent-glow), 0.35); }

.pagination button:disabled { opacity: 0.35; cursor: not-allowed; }

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-grid { grid-template-columns: 1fr; }
    .post-card-featured-full {
        grid-template-columns: 1fr;
    }
    .post-card-featured-full .post-img { height: 220px; }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }

    .nav-links {
        display: none;
        position: absolute;
        top: 68px; left: 0; right: 0;
        flex-direction: column;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        padding: 24px;
        gap: 18px;
    }
    .nav-links.open { display: flex; }

    .hero-title-line1, .hero-title-line2 { font-size: 2.6rem; }
    .tron-kanji { display: none; }
    .hero-logomark { display: none; }

    .blog-neon-header { padding-top: 100px; }
    .blog-neon-header h1 { font-size: 2.8rem; }
    .blog-search-input { margin-left: 0; width: 100%; }

    .blog-grid { grid-template-columns: 1fr; }

    .dossier-grid { grid-template-columns: 1fr; }
    .dossier-title { font-size: 2rem; }

    .newsletter-box { padding: 32px 22px; }
    .newsletter-form { flex-direction: column; }

    .footer-inner { grid-template-columns: 1fr; gap: 36px; }
    .footer-links { grid-template-columns: 1fr 1fr; }

    .contact-grid { grid-template-columns: 1fr; }
    .post-page { padding: 110px 24px 60px; }
    .post-page-header h1 { font-size: 1.8rem; }

    .page-hero { padding: 110px 0 36px; }
    .page-hero h1 { font-size: 2.2rem; }
}

@media (max-width: 480px) {
    .hero-title-line1, .hero-title-line2 { font-size: 2rem; }
    .footer-links { grid-template-columns: 1fr; gap: 22px; }
    .blog-neon-header h1 { font-size: 2.2rem; }
    .dossier-title { font-size: 1.7rem; }
    .post-card-featured-full { display: block; }
}