/* ===========================================
   C&C Technology — Clean White Minimal
   Accent: #0055FF
   =========================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+KR:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --accent: #0055FF;
    --accent-hover: #0044cc;
    --accent-soft: rgba(0,85,255,0.06);
    --accent-border: rgba(0,85,255,0.12);
    --black: #0a0a0a;
    --gray-900: #111111;
    --gray-800: #1a1a1a;
    --gray-700: #333333;
    --gray-500: #777777;
    --gray-400: #999999;
    --gray-300: #cccccc;
    --gray-200: #e5e5e5;
    --gray-100: #f2f2f2;
    --gray-50: #f8f8f8;
    --white: #ffffff;
    --nav-h: 60px;
    --radius: 16px;
    --radius-sm: 10px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, sans-serif;
    color: var(--gray-700);
    font-size: 16px;
    line-height: 1.75;
    background: var(--white);
    overflow-x: hidden;
    word-break: keep-all;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; }

/* ===== NAV ===== */
.nav {
    position:fixed; top:0; left:0; right:0; z-index:100;
    height:var(--nav-h);
    display:flex; align-items:center; justify-content:space-between;
    padding:0 clamp(24px, 4vw, 60px);
    background:rgba(255,255,255,0.8);
    backdrop-filter:blur(20px) saturate(180%);
    -webkit-backdrop-filter:blur(20px) saturate(180%);
    border-bottom:1px solid rgba(0,0,0,0.04);
    transition:all 0.3s var(--ease);
}
.nav.solid {
    background:rgba(255,255,255,0.95);
    border-color:rgba(0,0,0,0.06);
}

.nav-brand {
    font-size:1.2rem; font-weight:800; color:var(--black);
    letter-spacing:-0.5px;
}
.nav-brand span { color:var(--accent); }

.nav-links { display:flex; gap:2px; list-style:none; }
.nav-links a {
    display:block; padding:6px 14px; border-radius:8px;
    font-size:0.92rem; font-weight:500; color:var(--gray-500);
    transition:all 0.2s var(--ease); letter-spacing:-0.2px;
}
.nav-links a:hover { color:var(--black); background:var(--gray-50); }
.nav-links a.active { color:var(--accent); background:var(--accent-soft); }

.nav-toggle {
    display:none; border:none; background:none; cursor:pointer;
    padding:8px; flex-direction:column; gap:4px;
}
.nav-toggle span {
    display:block; width:18px; height:1.5px;
    background:var(--black); transition:0.3s;
}

/* ===== HERO ===== */
.hero {
    min-height:100vh; display:flex; align-items:center;
    padding:var(--nav-h) 0 0;
    position:relative; overflow:hidden;
    background:var(--white);
}
#hero-canvas {
    position:absolute; top:0; right:0;
    width:55%; height:100%;
    pointer-events:none;
}
.hero-inner {
    position:relative; z-index:2;
    max-width:1200px; margin:0 auto;
    padding:0 clamp(24px,4vw,60px);
    display:grid; grid-template-columns:1fr 1fr;
    align-items:center; gap:40px;
}
.hero-text { max-width:540px; }
.hero-tag {
    display:inline-flex; align-items:center; gap:6px;
    padding:7px 16px; border-radius:100px;
    background:var(--accent-soft); color:var(--accent);
    font-size:0.82rem; font-weight:600; text-transform:uppercase;
    letter-spacing:1.5px; margin-bottom:24px;
}
.hero-tag .dot {
    width:5px; height:5px; border-radius:50%;
    background:var(--accent); animation:pulse 2s infinite;
}
@keyframes pulse {
    0%,100% { opacity:1; }
    50% { opacity:0.3; }
}
.hero-title {
    font-size:clamp(2.4rem, 4.5vw, 3.8rem);
    font-weight:900; color:var(--black);
    line-height:1.1; letter-spacing:-2px;
    margin-bottom:20px;
}
.hero-title em {
    font-style:normal; color:var(--accent);
}
.hero-desc {
    font-size:1.1rem; color:var(--gray-500);
    line-height:1.8; margin-bottom:36px;
    max-width:460px;
}
.hero-chips {
    display:flex; gap:8px; flex-wrap:wrap;
}
.chip {
    padding:9px 18px; border-radius:100px;
    border:1px solid var(--gray-200);
    font-size:0.88rem; font-weight:500; color:var(--gray-700);
    transition:all 0.2s var(--ease);
}
.chip:hover {
    border-color:var(--accent); color:var(--accent);
    background:var(--accent-soft);
}

/* hero right stats */
.hero-metrics {
    display:grid; grid-template-columns:1fr 1fr; gap:16px;
    padding-left:40px;
}
.metric {
    padding:28px 24px;
    border:1px solid var(--gray-100);
    border-radius:var(--radius);
    background:rgba(255,255,255,0.7);
    backdrop-filter:blur(10px);
    transition:all 0.3s var(--ease);
}
.metric:hover {
    border-color:var(--accent-border);
    box-shadow:0 8px 32px rgba(0,85,255,0.06);
}
.metric-num {
    font-size:2.2rem; font-weight:900; color:var(--black);
    letter-spacing:-1px; line-height:1;
}
.metric-num span { color:var(--accent); }
.metric-label {
    font-size:0.88rem; color:var(--gray-400);
    margin-top:8px; letter-spacing:-0.2px;
}

/* ===== PAGE HEADER (sub pages) ===== */
.page-hero {
    padding:calc(var(--nav-h) + 80px) 0 64px;
    background:var(--white);
    border-bottom:1px solid var(--gray-100);
}
.page-hero .container { max-width:1200px; margin:0 auto; padding:0 clamp(24px,4vw,60px); }
.page-hero .crumb {
    display:flex; align-items:center; gap:6px;
    font-size:0.88rem; color:var(--gray-400); margin-bottom:16px;
}
.page-hero .crumb a { color:var(--gray-400); transition:color 0.2s; }
.page-hero .crumb a:hover { color:var(--accent); }
.page-hero h1 {
    font-size:clamp(2rem, 3.5vw, 2.8rem);
    font-weight:900; color:var(--black);
    letter-spacing:-1.5px; line-height:1.15;
}
.page-hero p {
    font-size:1.05rem; color:var(--gray-400);
    margin-top:10px; letter-spacing:-0.2px;
}

/* ===== SECTIONS ===== */
.container { max-width:1200px; margin:0 auto; padding:0 clamp(24px,4vw,60px); }
.section { padding:100px 0; }
.section.bg { background:var(--gray-50); }

.sec-head { margin-bottom:56px; }
.sec-head.center { text-align:center; }
.sec-overline {
    font-size:0.8rem; font-weight:700; text-transform:uppercase;
    letter-spacing:2.5px; color:var(--accent); margin-bottom:12px;
    display:inline-block;
}
.sec-title {
    font-size:clamp(1.8rem, 3vw, 2.5rem);
    font-weight:900; color:var(--black);
    letter-spacing:-1px; line-height:1.2;
}
.sec-desc {
    font-size:1.02rem; color:var(--gray-500);
    max-width:560px; margin-top:14px; line-height:1.8;
}
.sec-head.center .sec-desc { margin-left:auto; margin-right:auto; }

/* ===== GRIDS ===== */
.g2 { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.g3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.g4 { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }

/* ===== CARDS ===== */
.card {
    padding:32px 28px; border-radius:var(--radius);
    border:1px solid var(--gray-100);
    background:var(--white);
    transition:all 0.35s var(--ease);
}
.card:hover {
    border-color:var(--accent-border);
    box-shadow:0 12px 40px rgba(0,85,255,0.06);
    transform:translateY(-4px);
}
.card-ic {
    width:44px; height:44px; border-radius:12px;
    display:flex; align-items:center; justify-content:center;
    background:var(--accent-soft); color:var(--accent);
    margin-bottom:20px;
}
.card h3 {
    font-size:1.12rem; font-weight:700; color:var(--black);
    margin-bottom:10px; letter-spacing:-0.3px;
}
.card p {
    font-size:0.95rem; color:var(--gray-500); line-height:1.75;
}

/* center variant */
.card.ctr { text-align:center; }
.card.ctr .card-ic { margin:0 auto 20px; }

/* ===== INFO TABLE ===== */
.info-tbl { width:100%; border-collapse:collapse; }
.info-tbl tr { border-bottom:1px solid var(--gray-100); }
.info-tbl tr:last-child { border-bottom:none; }
.info-tbl th {
    text-align:left; padding:18px 22px; width:140px;
    font-size:0.88rem; font-weight:600; color:var(--gray-400);
    text-transform:uppercase; letter-spacing:0.5px;
    background:var(--gray-50); vertical-align:top;
}
.info-tbl td {
    padding:18px 22px; font-size:1.02rem;
    color:var(--gray-700); font-weight:500;
}

/* ===== TIMELINE ===== */
.timeline { position:relative; padding:8px 0; }
.timeline::before {
    content:''; position:absolute;
    left:7px; top:0; bottom:0; width:1.5px;
    background:var(--gray-200);
}
.tl-item { position:relative; padding-left:40px; padding-bottom:36px; }
.tl-item:last-child { padding-bottom:0; }
.tl-dot {
    position:absolute; left:0; top:6px;
    width:15px; height:15px; border-radius:50%;
    background:var(--white); border:2px solid var(--accent);
    z-index:1;
}
.tl-item:first-child .tl-dot { background:var(--accent); }
.tl-year {
    font-size:0.82rem; font-weight:700; color:var(--accent);
    letter-spacing:1.5px; margin-bottom:4px;
}
.tl-title {
    font-size:1.12rem; font-weight:700; color:var(--black);
    margin-bottom:6px; letter-spacing:-0.3px;
}
.tl-desc { font-size:0.95rem; color:var(--gray-500); line-height:1.75; }

/* ===== VM (vision/mission) ===== */
.vm-card {
    padding:40px 32px; border-radius:var(--radius);
    border:1px solid var(--gray-100); background:var(--white);
    transition:all 0.3s var(--ease);
    position:relative; overflow:hidden;
}
.vm-card::after {
    content:''; position:absolute; top:0; left:0; right:0;
    height:2px; background:var(--accent);
    transform:scaleX(0); transform-origin:left;
    transition:transform 0.4s var(--ease);
}
.vm-card:hover::after { transform:scaleX(1); }
.vm-card:hover {
    border-color:var(--accent-border);
    box-shadow:0 12px 40px rgba(0,85,255,0.06);
}
.vm-overline {
    font-size:0.8rem; font-weight:700; text-transform:uppercase;
    letter-spacing:3px; color:var(--accent); margin-bottom:16px;
}
.vm-card h3 {
    font-size:1.35rem; font-weight:800; color:var(--black);
    line-height:1.5; margin-bottom:14px; letter-spacing:-0.5px;
}
.vm-card p { font-size:1rem; color:var(--gray-500); line-height:1.8; }

/* ===== VALUE CARDS ===== */
.val-card {
    text-align:center; padding:36px 24px;
    border-radius:var(--radius); background:var(--white);
    border:1px solid var(--gray-100);
    transition:all 0.35s var(--ease);
}
.val-card:hover {
    border-color:var(--accent-border);
    box-shadow:0 12px 40px rgba(0,85,255,0.06);
    transform:translateY(-4px);
}
.val-ic {
    width:48px; height:48px; border-radius:50%;
    background:var(--accent-soft); display:flex;
    align-items:center; justify-content:center;
    margin:0 auto 16px; color:var(--accent);
}
.val-card h4 {
    font-size:1.08rem; font-weight:700; color:var(--black);
    margin-bottom:10px; letter-spacing:-0.3px;
}
.val-card p { font-size:0.92rem; color:var(--gray-500); line-height:1.75; }

/* ===== STRATEGY (dark section) ===== */
.dark-section {
    background:var(--black); color:var(--white); padding:100px 0;
}
.dark-section .sec-overline { color:var(--accent); }
.dark-section .sec-title { color:var(--white); }
.dark-section .sec-desc { color:rgba(255,255,255,0.45); }

.strat-card {
    padding:32px 24px; border-radius:var(--radius);
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.06);
    text-align:center; transition:all 0.3s var(--ease);
}
.strat-card:hover {
    background:rgba(255,255,255,0.08);
    border-color:rgba(0,85,255,0.3);
    transform:translateY(-4px);
}
.strat-ic {
    width:44px; height:44px; border-radius:12px;
    background:rgba(0,85,255,0.12); display:flex;
    align-items:center; justify-content:center;
    margin:0 auto 16px; color:var(--accent);
}
.strat-card h4 {
    font-size:1.08rem; font-weight:700; margin-bottom:8px;
}
.strat-card p {
    font-size:0.92rem; color:rgba(255,255,255,0.4); line-height:1.75;
}

/* ===== BIZ BLOCKS ===== */
.biz-block {
    display:grid; grid-template-columns:1fr 1fr;
    gap:56px; align-items:center;
    padding:56px 0; border-bottom:1px solid var(--gray-100);
}
.biz-block:last-child { border-bottom:none; }
.biz-block.rev { direction:rtl; }
.biz-block.rev > * { direction:ltr; }
.biz-num {
    font-size:3.5rem; font-weight:900; color:var(--gray-100);
    line-height:1; margin-bottom:4px; letter-spacing:-2px;
}
.biz-block .tag {
    display:inline-block; font-size:0.78rem; font-weight:700;
    text-transform:uppercase; letter-spacing:2px;
    color:var(--accent); margin-bottom:12px;
}
.biz-block h3 {
    font-size:1.55rem; font-weight:800; color:var(--black);
    margin-bottom:14px; letter-spacing:-0.5px;
}
.biz-block p {
    font-size:1rem; color:var(--gray-500);
    line-height:1.85; margin-bottom:10px;
}
.feat-list { list-style:none; display:flex; flex-direction:column; gap:6px; margin-top:14px; }
.feat-list li {
    display:flex; align-items:flex-start; gap:8px;
    font-size:0.95rem; color:var(--gray-500);
}
.feat-list li::before {
    content:''; flex-shrink:0;
    width:5px; height:5px; border-radius:50%;
    background:var(--accent); margin-top:10px;
}
.biz-visual {
    background:var(--gray-50); border-radius:var(--radius);
    padding:48px; display:flex; flex-direction:column;
    align-items:center; justify-content:center; text-align:center;
    min-height:280px; border:1px solid var(--gray-100);
}
.biz-visual .ic-lg {
    width:64px; height:64px; border-radius:16px;
    background:var(--accent-soft); display:flex;
    align-items:center; justify-content:center;
    margin-bottom:20px; color:var(--accent);
}
.biz-visual h4 { font-size:1.02rem; font-weight:700; color:var(--black); margin-bottom:8px; }
.biz-visual p { font-size:0.88rem; color:var(--gray-400); line-height:1.7; }

/* ===== PROJECT LIST ===== */
.proj-item {
    display:flex; align-items:center; gap:16px;
    padding:18px 22px; border-radius:var(--radius-sm);
    border:1px solid var(--gray-100); background:var(--white);
    transition:all 0.25s var(--ease);
}
.proj-item:hover {
    border-color:var(--accent-border);
    box-shadow:0 4px 16px rgba(0,85,255,0.04);
}
.proj-flag {
    width:40px; height:40px; border-radius:10px;
    background:var(--gray-50); display:flex;
    align-items:center; justify-content:center;
    font-size:1.2rem; flex-shrink:0;
}
.proj-item h4 { font-size:1rem; font-weight:600; color:var(--black); letter-spacing:-0.2px; }
.proj-item p { font-size:0.88rem; color:var(--gray-400); margin-top:2px; }

/* ===== CTA ===== */
.cta {
    padding:80px 0; text-align:center;
    background:var(--gray-50); border-top:1px solid var(--gray-100);
}
.cta h2 {
    font-size:clamp(1.5rem, 2.5vw, 1.9rem);
    font-weight:800; color:var(--black);
    margin-bottom:10px; letter-spacing:-0.5px;
}
.cta p {
    font-size:1rem; color:var(--gray-400); margin-bottom:28px;
}
.cta-btn {
    display:inline-flex; align-items:center; gap:8px;
    padding:14px 32px; border-radius:100px;
    background:var(--accent); color:var(--white);
    font-size:0.95rem; font-weight:600;
    transition:all 0.3s var(--ease);
    border:none; cursor:pointer;
}
.cta-btn:hover {
    background:var(--accent-hover);
    transform:translateY(-2px);
    box-shadow:0 8px 24px rgba(0,85,255,0.25);
}

/* ===== FOOTER ===== */
.footer {
    background:var(--white);
    border-top:1px solid var(--gray-100);
    padding:48px 0 32px;
    color:var(--gray-400);
}
.foot-grid {
    display:grid; grid-template-columns:2fr 1fr 1fr;
    gap:40px; padding-bottom:32px;
    border-bottom:1px solid var(--gray-100);
}
.foot-brand {
    font-size:1.15rem; font-weight:800; color:var(--black);
    margin-bottom:10px; letter-spacing:-0.5px;
}
.foot-brand span { color:var(--accent); }
.footer .desc {
    font-size:0.9rem; color:var(--gray-400); line-height:1.7;
    max-width:300px;
}
.footer h4 {
    font-size:0.82rem; font-weight:700; text-transform:uppercase;
    letter-spacing:1.5px; color:var(--gray-400); margin-bottom:14px;
}
.foot-links { list-style:none; }
.foot-links li { margin-bottom:8px; }
.foot-links a {
    font-size:0.92rem; color:var(--gray-400); transition:color 0.2s;
}
.foot-links a:hover { color:var(--accent); }
.foot-bottom {
    padding-top:24px; text-align:center;
    font-size:0.84rem; color:var(--gray-300);
}

/* ===== ANIMATIONS ===== */
.reveal {
    opacity:0; transform:translateY(24px);
    transition:all 0.6s var(--ease);
}
.reveal.vis { opacity:1; transform:translateY(0); }

@keyframes fadeUp {
    from { opacity:0; transform:translateY(24px); }
    to { opacity:1; transform:translateY(0); }
}
.anim-1 { animation:fadeUp 0.7s var(--ease) 0.1s both; }
.anim-2 { animation:fadeUp 0.7s var(--ease) 0.25s both; }
.anim-3 { animation:fadeUp 0.7s var(--ease) 0.4s both; }
.anim-4 { animation:fadeUp 0.7s var(--ease) 0.55s both; }

/* ===== RESPONSIVE ===== */
@media (max-width:1024px) {
    .g4 { grid-template-columns:repeat(2,1fr); }
    .hero-inner { grid-template-columns:1fr; }
    .hero-metrics { padding-left:0; }
    #hero-canvas { width:100%; opacity:0.3; }
    .biz-block { grid-template-columns:1fr; gap:32px; }
    .biz-block.rev { direction:ltr; }
    .foot-grid { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
    .nav { padding:0 20px; }
    .nav-links {
        display:none; position:absolute;
        top:var(--nav-h); left:0; right:0;
        background:var(--white); flex-direction:column;
        padding:8px 12px; border-bottom:1px solid var(--gray-100);
        box-shadow:0 12px 32px rgba(0,0,0,0.06);
    }
    .nav-links.open { display:flex; }
    .nav-links a { padding:10px 14px; }
    .nav-toggle { display:flex; }

    .section { padding:64px 0; }
    .g2, .g3, .g4 { grid-template-columns:1fr; }
    .hero-metrics { grid-template-columns:1fr 1fr; }
    .foot-grid { grid-template-columns:1fr; gap:24px; }
    .page-hero { padding:calc(var(--nav-h) + 48px) 0 40px; }
}