/* ===========================
   NexTron Semiconductor
   Samsung-Semiconductor-Inspired
   Clean White Minimal Theme
   =========================== */

@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css');

:root {
    --blue: #1428A0;
    --blue-dark: #0B1D6E;
    --blue-light: #4B6BCC;
    --blue-bg: #F2F4FB;
    --black: #000000;
    --text: #252525;
    --text-sub: #555555;
    --text-muted: #888888;
    --text-caption: #AAAAAA;
    --bg: #FFFFFF;
    --bg-gray: #F7F7F7;
    --bg-dark: #1A1A1A;
    --border: #EEEEEE;
    --border-dark: #DDDDDD;
    --white: #FFFFFF;
    --accent-purple: #7B61FF;
    --accent-gradient: linear-gradient(135deg, #1428A0, #7B61FF);
    --font: 'Pretendard Variable', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --transition: all .25s ease;
    --header-h: 56px;
    --max-w: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    color: var(--text);
    line-height: 1.6;
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.02em;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, select, textarea { font-family: inherit; font-size: inherit; }

/* Preloader */
#preloader {
    position: fixed; inset: 0; z-index: 99999;
    background: var(--white);
    display: flex; align-items: center; justify-content: center;
    transition: opacity .4s, visibility .4s;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader { text-align: center; }
.chip-loader {
    width: 40px; height: 40px; margin: 0 auto 16px;
    border: 2px solid var(--border); border-top-color: var(--blue);
    border-radius: 50%; animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text { font-size: .7rem; font-weight: 700; color: var(--blue); letter-spacing: 5px; text-transform: uppercase; }

/* Container */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }

/* ====== HEADER ====== */
#header {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 1000; height: var(--header-h);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    transition: box-shadow .3s;
}
#header.scrolled { box-shadow: 0 1px 8px rgba(0,0,0,.06); }
.nav-container {
    max-width: var(--max-w); margin: 0 auto; padding: 0 40px;
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}
.logo {
    display: flex; align-items: center; gap: 6px;
    font-size: 1.1rem; font-weight: 800; color: var(--text);
    letter-spacing: -0.04em;
}
.logo-mark {
    width: 28px; height: 28px; background: var(--blue);
    border-radius: 6px; display: flex; align-items: center;
    justify-content: center; color: var(--white);
    font-size: .65rem; font-weight: 900; letter-spacing: 0;
}
.logo-word span { color: var(--blue); }
.nav-menu { display: flex; align-items: center; gap: 0; }
.nav-link {
    padding: 0 16px; height: var(--header-h);
    display: flex; align-items: center;
    font-size: .88rem; font-weight: 500; color: var(--text-sub);
    position: relative; transition: color .2s;
}
.nav-link i { font-size: .55rem; margin-left: 4px; }
.nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 16px; right: 16px;
    height: 2px; background: var(--blue);
    transform: scaleX(0); transition: transform .25s;
}
.nav-link:hover, .nav-link.active { color: var(--black); }
.nav-link.active::after { transform: scaleX(1); }
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute; top: 100%; left: 0;
    background: var(--white); border: 1px solid var(--border);
    border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.08);
    padding: 6px; min-width: 200px;
    opacity: 0; visibility: hidden; transform: translateY(4px);
    transition: var(--transition);
}
.dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu a {
    display: block; padding: 10px 14px; border-radius: 6px;
    font-size: .85rem; color: var(--text-sub);
}
.dropdown-menu a:hover { background: var(--bg-gray); color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-lang {
    font-size: .75rem; font-weight: 700; color: var(--text-muted);
    letter-spacing: .5px; padding: 4px 10px; border-radius: 4px;
    border: 1px solid var(--border);
}
.btn-lang:hover { color: var(--blue); border-color: var(--blue); }
.hamburger { display: none; flex-direction: column; gap: 4px; padding: 6px; }
.hamburger span { width: 18px; height: 1.5px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ====== HERO / CAROUSEL ====== */
.hero-carousel {
    margin-top: var(--header-h);
    position: relative; overflow: hidden;
    background: var(--black);
}
.hero-carousel > video {
    position: absolute; inset: 0; z-index: 0;
    width: 100%; height: 100%;
    object-fit: cover;
}
.hero-carousel::after {
    content: ''; position: absolute; inset: 0; z-index: 1;
    background: rgba(0, 0, 0, 0.55);
    pointer-events: none;
}
.carousel-track {
    position: relative; z-index: 2;
    display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1);
}
.carousel-slide {
    min-width: 100%; position: relative;
    aspect-ratio: 16/5.5;
    display: flex; align-items: center;
}
.carousel-slide-bg {
    position: absolute; inset: 0;
}
.slide-bg-1, .slide-bg-2, .slide-bg-3 { background: transparent; }
.carousel-slide-content {
    position: relative; z-index: 2;
    max-width: var(--max-w); margin: 0 auto; padding: 0 40px;
    color: var(--white); width: 100%;
}
.slide-eyebrow {
    font-size: .72rem; font-weight: 700;
    letter-spacing: 2px; text-transform: uppercase;
    color: rgba(255,255,255,.5); margin-bottom: 16px;
}
.carousel-slide-content h2 {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 800; line-height: 1.2;
    letter-spacing: -0.04em; margin-bottom: 16px;
}
.carousel-slide-content p {
    font-size: 1rem; color: rgba(255,255,255,.6);
    max-width: 480px; line-height: 1.7; margin-bottom: 24px;
}
.link-arrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .9rem; font-weight: 600; color: var(--white);
}
.link-arrow i { font-size: .7rem; transition: transform .25s; }
.link-arrow:hover i { transform: translateX(4px); }
.link-arrow.dark { color: var(--text); }
.link-arrow.blue { color: var(--blue); }

/* Carousel Controls */
.carousel-dots {
    position: absolute; bottom: 24px; left: 50%;
    transform: translateX(-50%); z-index: 12;
    display: flex; gap: 8px;
}
.carousel-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,.3); cursor: pointer;
    transition: var(--transition);
}
.carousel-dot.active { background: var(--white); width: 24px; border-radius: 4px; }
.carousel-arrows {
    position: absolute; top: 50%; right: 40px; z-index: 12;
    display: flex; gap: 8px; transform: translateY(-50%);
}
.carousel-arrow {
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,.1); backdrop-filter: blur(8px);
    color: var(--white); display: flex; align-items: center;
    justify-content: center; font-size: .8rem;
    border: 1px solid rgba(255,255,255,.15);
    transition: var(--transition); cursor: pointer;
}
.carousel-arrow:hover { background: rgba(255,255,255,.25); }

/* ====== SECTIONS ====== */
.section { padding: 100px 0; }
.section-header { margin-bottom: 48px; }
.section-header.center { text-align: center; }
.section-header.row {
    display: flex; justify-content: space-between; align-items: flex-end;
}
.section-eyebrow {
    font-size: .7rem; font-weight: 700; letter-spacing: 2.5px;
    text-transform: uppercase; color: var(--blue);
    margin-bottom: 8px;
}
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800; letter-spacing: -0.035em;
    color: var(--black); line-height: 1.25;
}
.section-title.light { color: var(--white); }
.section-subtitle {
    font-size: .95rem; color: var(--text-sub);
    line-height: 1.7; margin-top: 12px;
}

/* ====== APPLICATION / ICON GRID ====== */
.app-grid {
    display: grid; grid-template-columns: repeat(6, 1fr); gap: 0;
    border-top: 1px solid var(--border); border-left: 1px solid var(--border);
}
.app-item {
    padding: 40px 20px; text-align: center;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: var(--transition); cursor: pointer;
}
.app-item:hover { background: var(--blue-bg); }
.app-icon {
    width: 56px; height: 56px; margin: 0 auto 16px;
    border-radius: 50%; background: var(--bg-gray);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: var(--blue);
    transition: var(--transition);
}
.app-item:hover .app-icon { background: var(--blue); color: var(--white); }
.app-item h4 { font-size: .88rem; font-weight: 600; color: var(--text); letter-spacing: -0.01em; }

/* ====== PRODUCT CARDS (Image overlay style) ====== */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-card {
    position: relative; border-radius: 12px; overflow: hidden;
    aspect-ratio: 4/3; cursor: pointer;
    transition: var(--transition);
}
.product-card:hover { transform: scale(1.02); }
.product-card-bg {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
}
.product-card-bg i { font-size: 5rem; color: rgba(255,255,255,.08); }
.pc-bg-1 { background: linear-gradient(135deg, #0c1b3a, #1a3a6e); }
.pc-bg-2 { background: linear-gradient(135deg, #1a0a2e, #4a1d96); }
.pc-bg-3 { background: linear-gradient(135deg, #0a2929, #0e6b5e); }
.product-card-content {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 28px; color: var(--white); z-index: 2;
    background: linear-gradient(to top, rgba(0,0,0,.6), transparent);
}
.product-card-content h3 {
    font-size: 1.2rem; font-weight: 700; margin-bottom: 6px;
    letter-spacing: -0.02em;
}
.product-card-content p {
    font-size: .82rem; color: rgba(255,255,255,.7); line-height: 1.5;
    margin-bottom: 12px;
}
.product-card-content .link-arrow { font-size: .82rem; }

/* ====== FEATURED BANNER (full width) ====== */
.featured-banner {
    position: relative; overflow: hidden;
    padding: 100px 0;
}
.featured-banner-bg {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, #060a1f 0%, #0d1847 40%, #1428A0 100%);
}
.featured-banner-bg::after {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,.03) 1px, transparent 0);
    background-size: 40px 40px;
}
.featured-banner .container {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 60px; align-items: center;
}
.featured-content { color: var(--white); }
.featured-content h2 {
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800; letter-spacing: -0.04em;
    line-height: 1.2; margin-bottom: 16px;
}
.featured-content p {
    font-size: .95rem; color: rgba(255,255,255,.6);
    line-height: 1.7; margin-bottom: 24px; max-width: 440px;
}
.featured-visual {
    display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.feat-card {
    padding: 28px 20px; border-radius: 12px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.08);
    text-align: center; color: var(--white);
    transition: var(--transition);
}
.feat-card:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); transform: translateY(-4px); }
.feat-card:nth-child(2) { margin-top: 24px; }
.feat-card i { font-size: 1.5rem; color: rgba(255,255,255,.5); margin-bottom: 12px; }
.feat-card .num {
    font-size: 2rem; font-weight: 800; letter-spacing: -0.03em;
}
.feat-card .label { font-size: .75rem; color: rgba(255,255,255,.4); margin-top: 4px; }

/* ====== NEWS LIST (Samsung style - image left, text right) ====== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
    display: grid; grid-template-columns: 280px 1fr;
    gap: 32px; padding: 32px 0;
    border-bottom: 1px solid var(--border);
    align-items: center; transition: var(--transition);
    cursor: pointer;
}
.news-item:first-child { border-top: 1px solid var(--border); }
.news-item:hover { background: var(--bg-gray); margin: 0 -20px; padding: 32px 20px; border-radius: 8px; border-color: transparent; }
.news-thumb {
    aspect-ratio: 16/10; border-radius: 8px; overflow: hidden;
    display: flex; align-items: center; justify-content: center;
}
.news-thumb img {
    width: 100%; height: 100%; object-fit: cover; display: block;
}
.news-thumb-inner {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
}
.news-thumb-inner i { font-size: 2.5rem; color: rgba(255,255,255,.12); }
.nt-1 { background: linear-gradient(135deg, #0c1b3a, #1a3a6e); }
.nt-2 { background: linear-gradient(135deg, #1a0a2e, #4a1d96); }
.nt-3 { background: linear-gradient(135deg, #0a2929, #0e6b5e); }
.news-body {}
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.news-tag {
    font-size: .7rem; font-weight: 700; letter-spacing: .5px;
    padding: 3px 10px; border-radius: 3px;
}
.news-tag.press { background: var(--blue-bg); color: var(--blue); }
.news-tag.ir { background: #FFF8E1; color: #E65100; }
.news-tag.notice { background: #E8F5E9; color: #2E7D32; }
.news-date { font-size: .8rem; color: var(--text-caption); }
.news-body h3 {
    font-size: 1.05rem; font-weight: 700; color: var(--text);
    letter-spacing: -0.02em; line-height: 1.5; margin-bottom: 6px;
}
.news-body p {
    font-size: .88rem; color: var(--text-muted); line-height: 1.6;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}

/* ====== CONTACT ====== */
.contact-section { background: var(--bg-gray); }
.contact-grid {
    display: grid; grid-template-columns: 1fr 1.3fr;
    gap: 48px; align-items: start;
}
.contact-cards { display: flex; flex-direction: column; gap: 12px; }
.contact-card {
    display: flex; gap: 16px; align-items: flex-start;
    padding: 20px; border-radius: 10px;
    background: var(--white); border: 1px solid var(--border);
    transition: var(--transition);
}
.contact-card:hover { border-color: var(--blue); box-shadow: 0 2px 12px rgba(20,40,160,.06); }
.contact-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--blue-bg); color: var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-size: .95rem; flex-shrink: 0;
}
.contact-card h4 { font-size: .85rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.contact-card p { font-size: .82rem; color: var(--text-muted); line-height: 1.5; }
.contact-form-wrap {
    padding: 36px; background: var(--white);
    border-radius: 12px; border: 1px solid var(--border);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: .78rem; font-weight: 600; color: var(--text-sub); }
.form-group input, .form-group select, .form-group textarea {
    padding: 12px 14px; border: 1px solid var(--border);
    border-radius: 6px; background: var(--bg-gray);
    outline: none; transition: var(--transition); color: var(--text);
    font-size: .88rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--blue); background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--blue); }
.form-check label { font-size: .78rem; color: var(--text-muted); }
.form-check a { color: var(--blue); }
.btn-submit {
    padding: 14px 32px; background: var(--blue); color: var(--white);
    border-radius: 6px; font-weight: 700; font-size: .88rem;
    transition: var(--transition); display: inline-flex;
    align-items: center; gap: 8px; justify-content: center;
}
.btn-submit:hover { background: var(--blue-dark); }

/* ====== FOOTER ====== */
.footer {
    background: var(--bg-dark); color: rgba(255,255,255,.4);
    padding: 60px 0 0;
}
.footer-top {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px; padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-logo {
    display: flex; align-items: center; gap: 6px;
    font-size: 1rem; font-weight: 800; color: var(--white);
    margin-bottom: 12px; letter-spacing: -0.03em;
}
.footer-logo .logo-mark { background: var(--blue); }
.footer-brand p { font-size: .82rem; line-height: 1.7; margin-bottom: 16px; }
.social-links { display: flex; gap: 6px; }
.social-links a {
    width: 32px; height: 32px; border-radius: 6px;
    background: rgba(255,255,255,.05);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,.3); font-size: .8rem;
    transition: var(--transition);
}
.social-links a:hover { background: var(--blue); color: var(--white); }
.footer-links h4 {
    font-size: .72rem; font-weight: 700; color: rgba(255,255,255,.6);
    margin-bottom: 16px; letter-spacing: 1px; text-transform: uppercase;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: .82rem; color: rgba(255,255,255,.35); }
.footer-links a:hover { color: rgba(255,255,255,.8); }
.footer-bottom {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; flex-wrap: wrap; gap: 12px;
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: .72rem; color: rgba(255,255,255,.25); }
.footer-legal a:hover { color: rgba(255,255,255,.6); }
.footer-legal .privacy { color: rgba(255,255,255,.5); }
.copyright { font-size: .72rem; color: rgba(255,255,255,.2); }

/* ====== BACK TO TOP ====== */
.back-to-top {
    position: fixed; bottom: 24px; right: 24px;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--white); color: var(--text);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 2px 12px rgba(0,0,0,.12); z-index: 999;
    font-size: .8rem; opacity: 0; visibility: hidden;
    transform: translateY(16px); transition: var(--transition);
    border: 1px solid var(--border);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* ====== AOS ====== */
[data-aos] { opacity: 0; transition: all .6s cubic-bezier(.25,.1,.25,1); }
[data-aos="fade-up"] { transform: translateY(30px); }
[data-aos="fade-in"] { transform: none; }
[data-aos="fade-right"] { transform: translateX(-30px); }
[data-aos="fade-left"] { transform: translateX(30px); }
[data-aos].aos-animate { opacity: 1; transform: none; }

/* ====== SUB PAGE HERO ====== */
.page-hero {
    padding: 100px 0 40px; margin-top: var(--header-h);
    border-bottom: 1px solid var(--border);
}
.breadcrumb { display: flex; align-items: center; gap: 6px; margin-bottom: 12px; }
.breadcrumb a, .breadcrumb span { font-size: .78rem; color: var(--text-caption); }
.breadcrumb a:hover { color: var(--blue); }
.breadcrumb .sep { font-size: .55rem; }
.breadcrumb .current { color: var(--text); font-weight: 600; }
.page-hero h1 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800; color: var(--black);
    letter-spacing: -0.04em;
}
.page-hero p { font-size: .95rem; color: var(--text-muted); margin-top: 8px; }

/* ====== ABOUT PAGE ====== */
.ceo-grid { display: grid; grid-template-columns: 320px 1fr; gap: 48px; align-items: start; }
.ceo-photo { border-radius: 12px; overflow: hidden; }
.ceo-photo-placeholder {
    aspect-ratio: 3/4; background: var(--bg-gray);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    color: var(--text-caption); gap: 8px;
}
.ceo-photo-placeholder i { font-size: 3rem; opacity: .3; }
.ceo-message { line-height: 1.9; color: var(--text-sub); font-size: .95rem; }
.ceo-message .quote {
    font-size: 1.3rem; font-weight: 700; color: var(--black);
    line-height: 1.5; letter-spacing: -0.03em;
    margin-bottom: 24px; padding-left: 20px;
    border-left: 3px solid var(--blue);
}
.ceo-name { margin-top: 32px; text-align: right; font-size: .85rem; color: var(--text-muted); }
.ceo-name strong { display: block; font-size: 1.15rem; color: var(--text); font-weight: 800; letter-spacing: -0.02em; }

/* Vision */
.vision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vision-card {
    text-align: center; padding: 40px 28px;
    border: 1px solid var(--border); border-radius: 12px;
    background: var(--white); transition: var(--transition);
}
.vision-card:hover { border-color: var(--blue); box-shadow: 0 4px 20px rgba(20,40,160,.06); }
.vision-icon {
    width: 60px; height: 60px; border-radius: 50%;
    background: var(--blue-bg); color: var(--blue);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; margin: 0 auto 20px;
}
.vision-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: -0.02em; }
.vision-card p { font-size: .85rem; color: var(--text-muted); line-height: 1.6; }

/* Timeline */
.timeline { max-width: 720px; margin: 0 auto; }
.timeline-item {
    display: grid; grid-template-columns: 100px 1fr;
    gap: 32px; padding: 28px 0;
    border-bottom: 1px solid var(--border);
    align-items: baseline;
}
.timeline-year {
    font-size: 1.3rem; font-weight: 800; color: var(--blue);
    letter-spacing: -0.03em;
}
.timeline-content h4 { font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.timeline-content p { font-size: .85rem; color: var(--text-muted); line-height: 1.7; }

/* ====== BOARD PAGE ====== */
.board-tabs {
    display: flex; gap: 0; border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}
.board-tab {
    padding: 12px 20px; font-size: .88rem; font-weight: 600;
    color: var(--text-muted); cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px; transition: var(--transition);
}
.board-tab.active, .board-tab:hover { color: var(--blue); border-bottom-color: var(--blue); }
.board-search {
    display: flex; gap: 8px; max-width: 320px; margin-left: auto; margin-bottom: 20px;
}
.board-search input {
    flex: 1; padding: 9px 14px; border: 1px solid var(--border);
    border-radius: 6px; font-size: .85rem; outline: none; background: var(--bg-gray);
}
.board-search input:focus { border-color: var(--blue); background: var(--white); }
.board-search button {
    padding: 9px 16px; background: var(--blue); color: var(--white);
    border-radius: 6px; font-size: .82rem; font-weight: 600;
}
.board-table { width: 100%; border-collapse: collapse; }
.board-table thead { border-bottom: 2px solid var(--text); }
.board-table th {
    padding: 12px 14px; font-size: .72rem; font-weight: 600;
    color: var(--text-sub); text-align: left;
    text-transform: uppercase; letter-spacing: .5px;
}
.board-table td {
    padding: 16px 14px; border-bottom: 1px solid var(--border);
    font-size: .88rem; color: var(--text-sub);
}
.board-table tbody tr { transition: background .15s; cursor: pointer; }
.board-table tbody tr:hover { background: var(--bg-gray); }
.board-table .num { width: 44px; text-align: center; color: var(--text-caption); font-size: .8rem; }
.board-table .title-cell { font-weight: 500; color: var(--text); }
.board-table .title-cell a:hover { color: var(--blue); }
.new-badge {
    display: inline-block; padding: 1px 5px;
    background: var(--blue); color: var(--white);
    font-size: .55rem; font-weight: 700; border-radius: 2px;
    margin-left: 6px; vertical-align: middle; letter-spacing: .5px;
}
.board-table .date { color: var(--text-caption); font-size: .8rem; }
.board-table .views { color: var(--text-caption); font-size: .8rem; text-align: center; }
.pinned-row { background: var(--blue-bg); }

.pagination {
    display: flex; justify-content: center; gap: 4px; margin-top: 40px;
}
.page-btn {
    width: 36px; height: 36px; border-radius: 6px;
    display: flex; align-items: center; justify-content: center;
    font-size: .85rem; color: var(--text-muted);
    border: 1px solid var(--border); transition: var(--transition);
}
.page-btn:hover { border-color: var(--blue); color: var(--blue); }
.page-btn.active { background: var(--blue); color: var(--white); border-color: var(--blue); }

/* ====== RESPONSIVE ====== */
@media (max-width: 1024px) {
    .container { padding: 0 24px; }
    .nav-container { padding: 0 24px; }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .featured-banner .container { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
    .ceo-grid { grid-template-columns: 1fr; }
    .app-grid { grid-template-columns: repeat(3, 1fr); }
    .vision-grid { grid-template-columns: 1fr; }
    .news-item { grid-template-columns: 200px 1fr; }
}
@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .nav-menu {
        position: fixed; top: 0; right: -100%;
        width: 85%; max-width: 320px; height: 100vh;
        background: var(--white); flex-direction: column;
        padding: 72px 20px 20px; gap: 0;
        box-shadow: -4px 0 24px rgba(0,0,0,.08);
        transition: right .35s ease; z-index: 998;
    }
    .nav-menu.open { right: 0; }
    .nav-menu .nav-link { height: auto; padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; }
    .nav-menu .nav-link::after { display: none; }
    .dropdown-menu { position: static; box-shadow: none; border: none; opacity: 1; visibility: visible; transform: none; padding-left: 12px; }
    .hamburger { display: flex; }
    .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(3px, 3px); }
    .hamburger.active span:nth-child(2) { opacity: 0; }
    .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(3px, -3px); }
    .carousel-slide { aspect-ratio: 16/9; }
    .carousel-arrows { display: none; }
    .product-grid { grid-template-columns: 1fr; }
    .app-grid { grid-template-columns: repeat(3, 1fr); }
    .featured-visual { grid-template-columns: 1fr 1fr; }
    .feat-card:nth-child(2) { margin-top: 0; }
    .news-item { grid-template-columns: 1fr; gap: 16px; }
    .news-thumb { max-height: 180px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-legal { flex-wrap: wrap; justify-content: center; }
    .board-table .hide-mobile { display: none; }
    .timeline-item { grid-template-columns: 80px 1fr; gap: 20px; }
}
@media (max-width: 480px) {
    .carousel-slide-content h2 { font-size: 1.5rem; }
    .app-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-visual { grid-template-columns: 1fr; }
}