/*
Theme Name: ArtStyle Cyber Forge
Description: A bold dark theme for vehicle cybersecurity insights and digital protection.
Version: 1.0.0
Author: ArtStyleUX Studio
Text Domain: asux-theme
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
*/

/* === RESET & VARIABLES === */
:root {
    --asux-bg: #060608;
    --asux-bg-elevated: #0E0E12;
    --asux-bg-card: #131318;
    --asux-bg-card-hover: #1A1A21;
    --asux-surface: #1E1E26;
    --asux-accent: #8B5CF6;
    --asux-accent-hover: #A78BFA;
    --asux-accent-glow: rgba(139, 92, 246, 0.15);
    --asux-accent-secondary: #06D6A0;
    --asux-white: #FFFFFF;
    --asux-text: #E4E4E7;
    --asux-text-dim: #9494A0;
    --asux-text-muted: #5E5E6E;
    --asux-border: #1F1F2A;
    --asux-border-light: #2A2A38;
    --asux-radius: 16px;
    --asux-radius-sm: 10px;
    --asux-radius-xs: 6px;
    --asux-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --asux-font: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --asux-max-w: 1240px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--asux-font);
    background: var(--asux-bg);
    color: var(--asux-text);
    line-height: 1.7;
    font-size: 16px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: var(--asux-accent-hover); text-decoration: none; transition: color var(--asux-transition); }
a:hover { color: var(--asux-accent); }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4, h5, h6 { font-family: var(--asux-font); font-weight: 700; line-height: 1.25; color: var(--asux-white); }
ul, ol { list-style: none; }

/* === UTILITY === */
.asux-wrap { max-width: var(--asux-max-w); margin: 0 auto; padding: 0 28px; }

/* === HEADER === */
.asux-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(6, 6, 8, 0.8);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.asux-header-inner {
    max-width: var(--asux-max-w);
    margin: 0 auto;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.asux-logo {
    font-size: 20px;
    font-weight: 800;
    color: var(--asux-white);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.asux-logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--asux-accent), var(--asux-accent-secondary));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.asux-logo-icon svg { width: 18px; height: 18px; }

.asux-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.asux-nav a {
    color: var(--asux-text-dim);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 50px;
    transition: all var(--asux-transition);
}

.asux-nav a:hover,
.asux-nav a.asux-current {
    color: var(--asux-white);
    background: rgba(255, 255, 255, 0.06);
}

.asux-nav-cta {
    background: var(--asux-accent) !important;
    color: var(--asux-white) !important;
    font-weight: 600 !important;
    padding: 9px 22px !important;
}

.asux-nav-cta:hover {
    background: var(--asux-accent-hover) !important;
    transform: translateY(-1px);
}

/* Hamburger */
.asux-hamburger {
    display: none;
    width: 40px; height: 40px;
    background: none;
    border: 1px solid var(--asux-border-light);
    border-radius: var(--asux-radius-xs);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    z-index: 1100;
    position: relative;
}

.asux-hamburger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--asux-white);
    transition: all var(--asux-transition);
    border-radius: 2px;
}

.asux-hamburger.asux-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.asux-hamburger.asux-open span:nth-child(2) {
    opacity: 0;
}

.asux-hamburger.asux-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.asux-mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(6, 6, 8, 0.97);
    z-index: 1050;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--asux-transition);
}

.asux-mobile-menu.asux-visible {
    opacity: 1;
    visibility: visible;
}

.asux-mobile-menu a {
    color: var(--asux-white);
    font-size: 22px;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: var(--asux-radius-sm);
    transition: all var(--asux-transition);
}

.asux-mobile-menu a:hover {
    color: var(--asux-accent);
    background: rgba(139, 92, 246, 0.08);
}

.asux-mobile-menu .asux-nav-cta {
    margin-top: 8px;
    font-size: 18px !important;
}

/* === HERO === */
.asux-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 100px;
    overflow: hidden;
}

.asux-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 20% 50%, rgba(139, 92, 246, 0.08), transparent),
        radial-gradient(ellipse 50% 60% at 80% 30%, rgba(6, 214, 160, 0.05), transparent);
    pointer-events: none;
}

.asux-hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.asux-hero-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--asux-accent-glow);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    color: var(--asux-accent-hover);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 28px;
}

.asux-hero-label svg { width: 14px; height: 14px; }

.asux-hero h1 {
    font-size: 56px;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
    font-weight: 800;
}

.asux-hero h1 span {
    background: linear-gradient(135deg, var(--asux-accent), var(--asux-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.asux-hero-desc {
    font-size: 17px;
    color: var(--asux-text-dim);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 480px;
}

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

.asux-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--asux-transition);
    border: none;
    cursor: pointer;
    font-family: var(--asux-font);
}

.asux-btn-fill {
    background: var(--asux-accent);
    color: var(--asux-white);
}

.asux-btn-fill:hover {
    background: var(--asux-accent-hover);
    color: var(--asux-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.3);
}

.asux-btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--asux-text);
    border: 1px solid var(--asux-border-light);
}

.asux-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--asux-white);
    transform: translateY(-2px);
}

.asux-hero-visual {
    position: relative;
}

.asux-hero-visual img {
    width: 100%;
    border-radius: var(--asux-radius);
    aspect-ratio: 4/3;
    object-fit: cover;
    border: 1px solid var(--asux-border);
}

.asux-hero-visual::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--asux-radius) + 2px);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), transparent, rgba(6, 214, 160, 0.2));
    z-index: -1;
    opacity: 0.5;
}

.asux-hero-metrics {
    display: flex;
    gap: 48px;
    margin-top: 52px;
    padding-top: 32px;
    border-top: 1px solid var(--asux-border);
}

.asux-metric-num {
    font-size: 30px;
    font-weight: 800;
    color: var(--asux-white);
    letter-spacing: -1px;
}

.asux-metric-num em {
    font-style: normal;
    color: var(--asux-accent);
}

.asux-metric-label {
    font-size: 13px;
    color: var(--asux-text-muted);
    margin-top: 2px;
}

/* === SECTIONS === */
.asux-section {
    padding: 110px 0;
}

.asux-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 700;
    color: var(--asux-accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.asux-section-tag::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--asux-accent);
    display: inline-block;
}

.asux-section-heading {
    font-size: 42px;
    margin-bottom: 16px;
    letter-spacing: -1px;
}

.asux-section-sub {
    font-size: 16px;
    color: var(--asux-text-dim);
    max-width: 580px;
    line-height: 1.8;
}

.asux-section-center {
    text-align: center;
    margin-bottom: 64px;
}

.asux-section-center .asux-section-sub {
    margin: 0 auto;
}

/* === ABOUT === */
.asux-about {
    background: var(--asux-bg-elevated);
    border-top: 1px solid var(--asux-border);
    border-bottom: 1px solid var(--asux-border);
}

.asux-about-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 72px;
    align-items: center;
}

.asux-about-img {
    position: relative;
    border-radius: var(--asux-radius);
    overflow: hidden;
}

.asux-about-img img {
    width: 100%;
    aspect-ratio: 5/4;
    object-fit: cover;
    border-radius: var(--asux-radius);
}

.asux-about-img::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 40%;
    background: linear-gradient(to top, var(--asux-bg-elevated), transparent);
    pointer-events: none;
}

.asux-about-body p {
    font-size: 16px;
    color: var(--asux-text-dim);
    line-height: 1.9;
    margin-bottom: 16px;
}

/* === BENEFITS === */
.asux-benefits-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.asux-benefit {
    background: var(--asux-bg-card);
    border: 1px solid var(--asux-border);
    border-radius: var(--asux-radius);
    padding: 32px 26px;
    transition: all var(--asux-transition);
    position: relative;
    overflow: hidden;
}

.asux-benefit::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--asux-accent), var(--asux-accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--asux-transition);
}

.asux-benefit:hover {
    background: var(--asux-bg-card-hover);
    border-color: rgba(139, 92, 246, 0.15);
    transform: translateY(-4px);
}

.asux-benefit:hover::after {
    transform: scaleX(1);
}

.asux-benefit-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--asux-radius-sm);
    background: var(--asux-accent-glow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 22px;
}

.asux-benefit h3 {
    font-size: 17px;
    margin-bottom: 10px;
    font-weight: 700;
}

.asux-benefit p {
    font-size: 14px;
    color: var(--asux-text-dim);
    line-height: 1.7;
}

/* === LATEST POSTS === */
.asux-posts-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.asux-card {
    background: var(--asux-bg-card);
    border: 1px solid var(--asux-border);
    border-radius: var(--asux-radius);
    overflow: hidden;
    transition: all var(--asux-transition);
}

.asux-card:hover {
    border-color: rgba(139, 92, 246, 0.2);
    transform: translateY(-6px);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
}

.asux-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.asux-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.asux-card:hover .asux-card-image img {
    transform: scale(1.06);
}

.asux-card-badge {
    position: absolute;
    top: 12px; left: 12px;
    padding: 4px 12px;
    background: rgba(6, 6, 8, 0.7);
    backdrop-filter: blur(12px);
    border-radius: 50px;
    font-size: 11px;
    color: var(--asux-accent-hover);
    font-weight: 600;
    letter-spacing: 0.5px;
}

.asux-card-content {
    padding: 22px 24px 26px;
}

.asux-card-date {
    font-size: 12px;
    color: var(--asux-text-muted);
    margin-bottom: 10px;
    font-weight: 500;
}

.asux-card-title {
    font-size: 17px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.asux-card-title a { color: var(--asux-white); }
.asux-card-title a:hover { color: var(--asux-accent-hover); }

.asux-card-summary {
    font-size: 13px;
    color: var(--asux-text-dim);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
}

.asux-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--asux-accent);
}

.asux-card-link svg {
    width: 14px; height: 14px;
    transition: transform var(--asux-transition);
}

.asux-card:hover .asux-card-link svg {
    transform: translateX(4px);
}

/* === FOOTER === */
.asux-footer {
    background: var(--asux-bg-elevated);
    border-top: 1px solid var(--asux-border);
    padding: 56px 0 0;
}

.asux-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 44px;
    padding-bottom: 44px;
    border-bottom: 1px solid var(--asux-border);
}

.asux-footer-brand { max-width: 360px; }

.asux-footer-brand-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--asux-white);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.asux-footer-brand p {
    font-size: 14px;
    color: var(--asux-text-dim);
    line-height: 1.8;
}

.asux-footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--asux-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.asux-footer-col li { margin-bottom: 10px; }

.asux-footer-col a {
    font-size: 14px;
    color: var(--asux-text-dim);
    transition: color var(--asux-transition);
}

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

.asux-footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 12px;
    color: var(--asux-text-muted);
}

/* === SINGLE === */
.asux-single {
    padding: 130px 0 80px;
    max-width: 780px;
    margin: 0 auto;
}

.asux-single-cat {
    display: inline-flex;
    padding: 5px 14px;
    background: var(--asux-accent-glow);
    border-radius: 50px;
    font-size: 12px;
    color: var(--asux-accent);
    font-weight: 600;
    margin-bottom: 18px;
}

.asux-single-title {
    font-size: 38px;
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.asux-single-meta {
    font-size: 13px;
    color: var(--asux-text-muted);
    margin-bottom: 36px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--asux-border);
}

.asux-single-thumb {
    margin-bottom: 40px;
    border-radius: var(--asux-radius);
    overflow: hidden;
}

.asux-single-thumb img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.asux-single-body {
    font-size: 16px;
    color: var(--asux-text-dim);
    line-height: 1.9;
}

.asux-single-body h2 { font-size: 26px; margin: 40px 0 14px; }
.asux-single-body h3 { font-size: 22px; margin: 32px 0 12px; }
.asux-single-body p { margin-bottom: 20px; }
.asux-single-body ul, .asux-single-body ol { margin: 14px 0; padding-left: 24px; }
.asux-single-body li { margin-bottom: 8px; }
.asux-single-body img { border-radius: var(--asux-radius-sm); margin: 24px 0; }
.asux-single-body a { color: var(--asux-accent); text-decoration: underline; text-underline-offset: 3px; }
.asux-single-body blockquote {
    border-left: 3px solid var(--asux-accent);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--asux-bg-card);
    border-radius: 0 var(--asux-radius-sm) var(--asux-radius-sm) 0;
    color: var(--asux-text);
    font-style: italic;
}

/* === ARCHIVE === */
.asux-archive-top {
    padding: 140px 0 56px;
    text-align: center;
    background: var(--asux-bg-elevated);
    border-bottom: 1px solid var(--asux-border);
}

.asux-archive-top h1 {
    font-size: 44px;
    letter-spacing: -1px;
    margin-bottom: 10px;
}

.asux-archive-top p {
    font-size: 15px;
    color: var(--asux-text-dim);
    max-width: 520px;
    margin: 0 auto;
}

.asux-archive-feed {
    padding: 56px 0 80px;
}

.asux-archive-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.asux-pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 52px;
}

.asux-pagination a,
.asux-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 12px;
    border-radius: var(--asux-radius-xs);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--asux-transition);
}

.asux-pagination a {
    background: var(--asux-bg-card);
    color: var(--asux-text-dim);
    border: 1px solid var(--asux-border);
}

.asux-pagination a:hover {
    border-color: var(--asux-accent);
    color: var(--asux-accent);
}

.asux-pagination span.current {
    background: var(--asux-accent);
    color: var(--asux-white);
}

/* === PAGE === */
.asux-page {
    padding: 130px 0 80px;
    max-width: 780px;
    margin: 0 auto;
}

.asux-page h1 {
    font-size: 38px;
    margin-bottom: 32px;
}

.asux-page-body {
    font-size: 16px;
    color: var(--asux-text-dim);
    line-height: 1.9;
}

.asux-page-body p { margin-bottom: 20px; }

/* === 404 === */
.asux-notfound {
    text-align: center;
    padding: 180px 0 120px;
}

.asux-notfound h1 {
    font-size: 120px;
    background: linear-gradient(135deg, var(--asux-accent), var(--asux-accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 16px;
}

.asux-notfound h2 { font-size: 28px; margin-bottom: 14px; }
.asux-notfound p { color: var(--asux-text-dim); margin-bottom: 32px; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .asux-hero h1 { font-size: 42px; }
    .asux-hero-grid { gap: 44px; }
    .asux-section-heading { font-size: 34px; }
    .asux-benefits-list { grid-template-columns: repeat(2, 1fr); }
    .asux-about-grid { gap: 48px; }
    .asux-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .asux-footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    .asux-hamburger { display: flex; }
    .asux-mobile-menu { display: flex; }
    .asux-nav { display: none; }

    .asux-hero { padding: 120px 0 64px; min-height: auto; }
    .asux-hero-grid { grid-template-columns: 1fr; gap: 36px; }
    .asux-hero h1 { font-size: 36px; letter-spacing: -1px; }
    .asux-hero-desc { font-size: 15px; }
    .asux-hero-visual { order: -1; }
    .asux-hero-metrics { gap: 28px; }
    .asux-metric-num { font-size: 24px; }

    .asux-section { padding: 64px 0; }
    .asux-section-heading { font-size: 28px; }
    .asux-about-grid { grid-template-columns: 1fr; gap: 32px; }
    .asux-benefits-list { grid-template-columns: 1fr; }
    .asux-posts-row, .asux-archive-list { grid-template-columns: 1fr; }

    .asux-single, .asux-page { padding: 100px 0 60px; }
    .asux-single-title { font-size: 28px; }
    .asux-archive-top { padding: 110px 0 36px; }
    .asux-archive-top h1 { font-size: 30px; }

    .asux-footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .asux-hero-actions { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .asux-hero h1 { font-size: 28px; }
    .asux-hero-metrics { flex-wrap: wrap; }
    .asux-card-title { font-size: 15px; }
}

/* WP Alignment */
.alignwide { max-width: 1000px; margin-left: auto; margin-right: auto; }
.alignfull { width: 100vw; margin-left: calc(-50vw + 50%); }
.aligncenter { display: block; margin: 0 auto; }
.alignleft { float: left; margin-right: 24px; }
.alignright { float: right; margin-left: 24px; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }