/* ====================================================
   Corporate Construction Theme - default.css
   그누보드5 건설/시공/기업 테마
   Wix Template 2746 스타일 참고
   ==================================================== */

@import url('https://fonts.googleapis.com/css2?family=Barlow:ital,wght@0,300;0,400;0,600;0,700;0,800;0,900;1,700&family=Noto+Sans+KR:wght@300;400;500;600;700;900&display=swap');

/* ── CSS Variables ── */
:root {
    --black:      #0C0C0C;
    --dark:       #111111;
    --dark2:      #1A1A1A;
    --dark3:      #222222;
    --white:      #FFFFFF;
    --gold:       #C8A96E;
    --gold-light: #DFC08A;
    --gold-pale:  rgba(200,169,110,.12);
    --gray-100:   #F5F5F5;
    --gray-200:   #E8E8E8;
    --gray-400:   #999999;
    --gray-500:   #777777;
    --gray-600:   #555555;
    --font-en:    'Barlow', sans-serif;
    --font-kr:    'Noto Sans KR', 'Apple SD Gothic Neo', sans-serif;
    --ease:       cubic-bezier(.4,0,.2,1);
    --trans:      all .3s var(--ease);
    --trans-slow: all .6s var(--ease);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-kr);
    background: var(--white);
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
hr { display: none; }

/* ====================================================
   HEADER
   ==================================================== */
#hd {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
    transition: var(--trans);
    background: var(--black);
}
#hd.scrolled {
    background: var(--black);
}
#hd.shadow {
    box-shadow: 0 2px 20px rgba(0,0,0,.5);
}
#hd_h1 {
    position: absolute;
    width: 1px; height: 1px;
    overflow: hidden; clip: rect(0,0,0,0);
}
#hd_wrapper {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    gap: 0;
}

/* Logo */
#logo { flex-shrink: 0; margin-right: auto; }
#logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-en);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: .06em;
    text-transform: uppercase;
}
#logo a img { height: 36px; width: auto; }
#logo .logo-bar {
    width: 3px; height: 28px;
    background: var(--gold);
    display: inline-block;
}
#logo .logo-text { color: var(--white); }
#logo .logo-dot { color: var(--gold); }

/* GNB */
#gnb { margin-right: 32px; }
#gnb h2 { display: none; }
#gnb_1dul {
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
}
.gnb_mnal { display: none; }
.gnb_1dli { position: relative; }
.gnb_1da {
    display: block;
    padding: 10px 18px;
    font-family: var(--font-kr);
    font-size: .875rem;
    font-weight: 500;
    color: rgba(255,255,255,.85);
    letter-spacing: .02em;
    transition: var(--trans);
    position: relative;
}
.gnb_1da::after {
    content: '';
    position: absolute;
    bottom: 4px; left: 18px; right: 18px;
    height: 1px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--trans);
}
.gnb_1da:hover { color: var(--white); }
.gnb_1da:hover::after { transform: scaleX(1); }

/* Dropdown */
.gnb_2dul {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--dark2);
    border: 1px solid rgba(200,169,110,.2);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: var(--trans);
    z-index: 999;
}
.gnb_2dul .bg { display: none; }
.gnb_2dul ul { padding: 8px 0; }
.gnb_2dli {}
.gnb_2da {
    display: block;
    padding: 12px 24px;
    font-size: .85rem;
    color: rgba(255,255,255,.7);
    transition: var(--trans);
    border-left: 2px solid transparent;
}
.gnb_2da:hover {
    color: var(--gold);
    border-left-color: var(--gold);
    background: rgba(200,169,110,.06);
    padding-left: 28px;
}
.gnb_1dli:hover .gnb_2dul,
.gnb_1dli:focus-within .gnb_2dul {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Header Login Buttons */
.hd_login {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
}
.hd_login li a {
    font-size: .825rem;
    font-weight: 600;
    letter-spacing: .04em;
    padding: 9px 20px;
    transition: var(--trans);
    color: rgba(255,255,255,.8);
    border: 1px solid rgba(255,255,255,.25);
}
.hd_login li a:hover {
    color: var(--white);
    border-color: rgba(255,255,255,.6);
}
.hd_login li:last-child a {
    background: var(--gold);
    color: var(--black);
    border-color: var(--gold);
    font-weight: 700;
}
.hd_login li:last-child a:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
}

/* Mobile Menu Full Overlay */
#gnb_all {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--black);
    z-index: 9999;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 80px 60px;
}
#gnb_all.open { display: flex; }
.gnb_al_ul { width: 100%; }
.gnb_al_li { border-bottom: 1px solid rgba(255,255,255,.07); }
.gnb_al_a {
    display: block;
    font-family: var(--font-en);
    font-size: 2.2rem;
    font-weight: 800;
    color: rgba(255,255,255,.9);
    padding: 20px 0;
    letter-spacing: -.01em;
    transition: var(--trans);
}
.gnb_al_a:hover { color: var(--gold); padding-left: 20px; }
.gnb_al_ul ul { padding: 0 0 16px 20px; }
.gnb_al_ul ul li a {
    display: block;
    font-size: 1rem;
    color: var(--gray-400);
    padding: 6px 0;
    transition: var(--trans);
}
.gnb_al_ul ul li a:hover { color: var(--gold); }
.gnb_close_btn {
    position: absolute;
    top: 28px; right: 36px;
    font-size: 1.5rem;
    color: var(--gray-400);
    width: 48px; height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--trans);
    border: 1px solid rgba(255,255,255,.1);
}
.gnb_close_btn:hover { color: var(--white); border-color: rgba(255,255,255,.3); }
#gnb_all_bg { display: none; }

/* ====================================================
   WRAPPER / CONTAINER (sub pages)
   ==================================================== */
body { padding-top: 80px; }
#wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}
#container_wr {
    display: flex;
    gap: 40px;
    padding: 60px 0 100px;
}
#container { flex: 1; min-width: 0; }
#container_title {
    font-family: var(--font-en);
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -.02em;
    text-transform: uppercase;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--dark);
    position: relative;
}
#container_title::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 60px; height: 2px;
    background: var(--gold);
}
#aside { width: 280px; flex-shrink: 0; }

/* INDEX removes wrapper padding */
body.index-page #wrapper { max-width: 100%; padding: 0; }
body.index-page #container_wr { display: block; padding: 0; }
body.index-page #aside { display: none; }

/* ====================================================
   HERO SECTION
   ==================================================== */
.co-hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--black);
}
/* Hero BG - full dark with overlay pattern */
.co-hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.3) 60%, rgba(0,0,0,.7) 100%),
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 40px,
            rgba(255,255,255,.015) 40px,
            rgba(255,255,255,.015) 41px
        );
    background-size: cover, auto;
    background-color: #1a1a1a;
}
/* Accent line */
.co-hero-accent {
    position: absolute;
    top: 0; right: 0;
    width: 40%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(200,169,110,.08) 100%);
    clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
    pointer-events: none;
}
.co-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px 100px;
}
.co-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
    animation: fadeUp .7s .1s var(--ease) both;
}
.co-hero-tag span {
    font-family: var(--font-en);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--gold);
}
.co-hero-tag::before {
    content: '';
    width: 40px; height: 1px;
    background: var(--gold);
    display: block;
}
.co-hero h1 {
    font-family: var(--font-en);
    font-size: clamp(3rem, 7vw, 6.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: .95;
    letter-spacing: -.03em;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: fadeUp .7s .2s var(--ease) both;
}
.co-hero h1 em {
    font-style: italic;
    color: var(--gold);
    display: block;
}
.co-hero p {
    font-size: 1rem;
    color: rgba(255,255,255,.65);
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 48px;
    animation: fadeUp .7s .3s var(--ease) both;
}
.co-hero-btns {
    display: flex;
    gap: 16px;
    animation: fadeUp .7s .4s var(--ease) both;
}
.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gold);
    color: var(--black);
    font-size: .875rem;
    font-weight: 700;
    font-family: var(--font-kr);
    letter-spacing: .04em;
    padding: 16px 32px;
    transition: var(--trans);
}
.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200,169,110,.3);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    color: var(--white);
    font-size: .875rem;
    font-weight: 600;
    font-family: var(--font-kr);
    letter-spacing: .04em;
    padding: 16px 32px;
    border: 1px solid rgba(255,255,255,.3);
    transition: var(--trans);
}
.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255,255,255,.05);
}

/* Hero scroll indicator */
.co-hero-scroll {
    position: absolute;
    bottom: 40px;
    right: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeUp .7s .6s var(--ease) both;
}
.co-hero-scroll span {
    font-family: var(--font-en);
    font-size: .65rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    writing-mode: vertical-rl;
}
.co-hero-scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
    animation: scrollLine 1.8s ease infinite;
}
@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; opacity: 1; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ====================================================
   MARQUEE (scrolling text)
   ==================================================== */
.co-marquee {
    background: var(--gold);
    padding: 14px 0;
    overflow: hidden;
    white-space: nowrap;
}
.co-marquee-track {
    display: inline-flex;
    animation: marquee 25s linear infinite;
}
.co-marquee-item {
    font-family: var(--font-en);
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--black);
    padding: 0 40px;
}
.co-marquee-sep {
    color: rgba(0,0,0,.3);
    padding: 0;
}
@keyframes marquee {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
}

/* ====================================================
   SECTION COMMON
   ==================================================== */
.co-section { padding: 120px 0; }
.co-section-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}
.co-label {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-en);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 20px;
}
.co-label::before {
    content: '';
    width: 32px; height: 1px;
    background: var(--gold);
    display: block;
}
.co-title {
    font-family: var(--font-en);
    font-size: clamp(2.2rem, 4vw, 3.8rem);
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -.03em;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 24px;
}
.co-title-kr {
    font-family: var(--font-kr);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -.04em;
    line-height: 1.2;
    margin-bottom: 24px;
}
.co-title.white, .co-title-kr.white { color: var(--white); }
.co-sub {
    font-size: .95rem;
    color: var(--gray-500);
    line-height: 1.85;
    max-width: 520px;
}
.co-sub.wide { max-width: 700px; }
.co-header { margin-bottom: 72px; }

/* ====================================================
   ABOUT (2-col layout)
   ==================================================== */
.co-about { background: var(--gray-100); }
.co-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}
.co-about-img {
    position: relative;
    aspect-ratio: 4/5;
    background: var(--dark3);
    overflow: hidden;
}
.co-about-img-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 16px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
}
.co-about-img-placeholder .icon {
    font-size: 3rem;
    color: var(--gold);
    opacity: .6;
}
.co-about-img-placeholder span {
    font-family: var(--font-en);
    font-size: .7rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(255,255,255,.3);
}
/* Gold corner accent */
.co-about-img::before {
    content: '';
    position: absolute;
    bottom: -1px; right: -1px;
    width: 80px; height: 80px;
    background: var(--gray-100);
    z-index: 2;
}
.co-about-img::after {
    content: '';
    position: absolute;
    bottom: 20px; right: 20px;
    width: 60px; height: 60px;
    border: 2px solid var(--gold);
    z-index: 3;
}
.co-about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: var(--gray-200);
    margin-top: 48px;
}
.co-about-stat {
    background: var(--white);
    padding: 28px 24px;
    text-align: center;
}
.co-about-stat-num {
    font-family: var(--font-en);
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--dark);
    letter-spacing: -.03em;
    line-height: 1;
}
.co-about-stat-num span { color: var(--gold); }
.co-about-stat-label {
    font-size: .8rem;
    color: var(--gray-500);
    margin-top: 6px;
    font-weight: 500;
}
.co-about-features {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.co-about-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--gray-200);
}
.co-about-feature:last-child { border-bottom: none; }
.co-about-feature-icon {
    width: 36px; height: 36px;
    background: var(--gold-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--gold);
    font-size: .9rem;
}
.co-about-feature h4 {
    font-size: .9rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 4px;
}
.co-about-feature p {
    font-size: .82rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* ====================================================
   SERVICES (dark bg)
   ==================================================== */
.co-services { background: var(--black); }
.co-services .co-sub { color: rgba(255,255,255,.5); }
.co-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.07);
    border: 1px solid rgba(255,255,255,.07);
}
.co-service-card {
    background: var(--black);
    padding: 48px 36px;
    transition: var(--trans);
    position: relative;
    overflow: hidden;
}
.co-service-card::before {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--trans);
}
.co-service-card:hover { background: var(--dark2); }
.co-service-card:hover::before { transform: scaleX(1); }

.co-service-num {
    font-family: var(--font-en);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .15em;
    color: var(--gold);
    margin-bottom: 28px;
    opacity: .7;
}
.co-service-card h3 {
    font-family: var(--font-kr);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -.02em;
}
.co-service-card p {
    font-size: .875rem;
    color: rgba(255,255,255,.45);
    line-height: 1.8;
    margin-bottom: 28px;
}
.co-service-more {
    font-family: var(--font-en);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--trans);
}
.co-service-more::after {
    content: '→';
    transition: var(--trans);
}
.co-service-card:hover .co-service-more::after { transform: translateX(6px); }

/* ====================================================
   PROJECT GALLERY (3-col masonry-like)
   ==================================================== */
.co-projects { background: var(--white); }
.co-projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.co-project-item {
    position: relative;
    aspect-ratio: 3/4;
    background: var(--dark3);
    overflow: hidden;
    cursor: pointer;
}
.co-project-item:first-child {
    grid-column: span 2;
    aspect-ratio: 16/9;
}
.co-project-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(135deg, #1f1f1f, #2d2d2d);
    transition: var(--trans-slow);
}
.co-project-placeholder .icon {
    font-size: 2rem;
    color: var(--gold);
    opacity: .4;
}
.co-project-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,.85) 0%, transparent 50%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--trans);
}
.co-project-item:hover .co-project-overlay { opacity: 1; }
.co-project-item:hover .co-project-placeholder { transform: scale(1.05); }
.co-project-cat {
    font-family: var(--font-en);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 6px;
}
.co-project-title {
    font-family: var(--font-kr);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}

/* ====================================================
   PROCESS (dark bg, horizontal)
   ==================================================== */
.co-process { background: var(--dark); }
.co-process .co-sub { color: rgba(255,255,255,.45); }
.co-process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}
.co-step {
    padding: 40px 32px;
    border-left: 1px solid rgba(255,255,255,.07);
    transition: var(--trans);
}
.co-step:first-child { border-left: none; }
.co-step:hover { background: rgba(255,255,255,.03); }
.co-step-num {
    font-family: var(--font-en);
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(200,169,110,.15);
    line-height: 1;
    margin-bottom: 24px;
    letter-spacing: -.04em;
    transition: var(--trans);
}
.co-step:hover .co-step-num { color: rgba(200,169,110,.4); }
.co-step-icon {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(200,169,110,.3);
    color: var(--gold);
    font-size: .9rem;
    margin-bottom: 20px;
}
.co-step h4 {
    font-family: var(--font-kr);
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}
.co-step p {
    font-size: .82rem;
    color: rgba(255,255,255,.4);
    line-height: 1.75;
}

/* ====================================================
   BOARD SECTION (white bg)
   ==================================================== */
.co-board-section { background: var(--gray-100); }
.co-board-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.co-board-box {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 36px;
}
.co-board-box-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--dark);
    position: relative;
}
.co-board-box-hd::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 40px; height: 2px;
    background: var(--gold);
}
.co-board-box-hd h3 {
    font-family: var(--font-kr);
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -.01em;
}
.co-board-box-hd a {
    font-family: var(--font-en);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--trans);
}
.co-board-box-hd a:hover { gap: 10px; }
.co-board-box-hd a::after { content: '→'; }

/* ====================================================
   CTA (full dark)
   ==================================================== */
.co-cta {
    background: var(--black);
    position: relative;
    overflow: hidden;
}
.co-cta::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200,169,110,.08) 0%, transparent 70%);
    pointer-events: none;
}
.co-cta-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 40px;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 60px;
}
.co-cta h2 {
    font-family: var(--font-en);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 900;
    color: var(--white);
    letter-spacing: -.03em;
    text-transform: uppercase;
    line-height: 1.1;
}
.co-cta h2 em {
    font-style: italic;
    color: var(--gold);
}
.co-cta p {
    font-size: .95rem;
    color: rgba(255,255,255,.45);
    margin-top: 16px;
    line-height: 1.8;
}
.co-cta-action {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex-shrink: 0;
}

/* ====================================================
   FOOTER
   ==================================================== */
#ft {
    background: var(--black);
    border-top: 1px solid rgba(255,255,255,.06);
    padding-top: 80px;
    color: rgba(255,255,255,.5);
}
#ft_wr {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px 60px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
}
#ft_link { display: none; }
#ft_company h2 { display: none; }
.ft_info { font-size: .82rem; line-height: 2; color: rgba(255,255,255,.35); }

.ft-brand {
    font-family: var(--font-en);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ft-brand-bar {
    width: 3px; height: 22px;
    background: var(--gold);
    display: inline-block;
}
.ft-desc {
    font-size: .85rem;
    color: rgba(255,255,255,.35);
    line-height: 1.9;
    margin-bottom: 28px;
}
.ft-contact {
    font-size: .82rem;
    color: rgba(255,255,255,.35);
    line-height: 2;
}
.ft-contact a { transition: var(--trans); }
.ft-contact a:hover { color: var(--gold); }

.ft-col h3 {
    font-family: var(--font-en);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: rgba(255,255,255,.35);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,.07);
}
.ft-col ul { list-style: none; padding: 0; }
.ft-col ul li { margin-bottom: 12px; }
.ft-col ul li a {
    font-size: .85rem;
    color: rgba(255,255,255,.45);
    transition: var(--trans);
}
.ft-col ul li a:hover { color: var(--gold); padding-left: 6px; }

#ft_copy {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 40px;
    border-top: 1px solid rgba(255,255,255,.06);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
#ft_copy span {
    font-size: .78rem;
    color: rgba(255,255,255,.25);
}
.ft-policy {
    display: flex;
    gap: 20px;
}
.ft-policy a {
    font-size: .78rem;
    color: rgba(255,255,255,.3);
    transition: var(--trans);
}
.ft-policy a:hover { color: rgba(255,255,255,.7); }

/* Back to Top */
#top_btn {
    position: fixed;
    bottom: 36px; right: 36px;
    width: 52px; height: 52px;
    background: var(--gold);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .9rem;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--trans);
}
#top_btn.visible { opacity: 1; transform: translateY(0); }
#top_btn:hover {
    background: var(--gold-light);
    transform: translateY(-4px);
}

/* Login msg */
#hd_login_msg {
    position: fixed;
    top: 80px; left: 0; right: 0;
    background: var(--gold);
    color: var(--black);
    text-align: center;
    font-size: .82rem;
    font-weight: 600;
    padding: 8px 16px;
    z-index: 999;
}
#hd_login_msg a {
    color: rgba(0,0,0,.65);
    margin-left: 12px;
    text-decoration: underline;
}

/* Sound only */
.sound_only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* Aside widgets */
#aside > div {
    background: var(--white);
    border: 1px solid var(--gray-200);
    padding: 24px;
    margin-bottom: 20px;
}

/* Latest board widget */
.lt_wr {
    float: left;
    width: 32%;
    border: 1px solid var(--gray-200);
    padding: 20px;
    margin-bottom: 20px;
    background: var(--white);
    transition: var(--trans);
}
.lt_wr:hover {
    border-color: var(--gold);
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.latest_wr::after { content: ''; display: table; clear: both; }

/* ====================================================
   RESPONSIVE
   ==================================================== */
@media (max-width: 1024px) {
    #hd_wrapper { padding: 0 24px; }
    .co-section-inner { padding: 0 24px; }
    .co-about-grid { grid-template-columns: 1fr; gap: 48px; }
    .co-about-img { aspect-ratio: 16/9; }
    .co-about-img::before, .co-about-img::after { display: none; }
    .co-services-grid { grid-template-columns: repeat(2, 1fr); }
    .co-projects-grid { grid-template-columns: repeat(2, 1fr); }
    .co-project-item:first-child { grid-column: span 2; }
    .co-cta-inner { grid-template-columns: 1fr; gap: 40px; }
    .co-cta-action { flex-direction: row; }
    #ft_wr { grid-template-columns: 1fr 1fr; gap: 40px; }
    #ft_copy { padding: 20px 24px; }
}

@media (max-width: 768px) {
    #hd_wrapper { padding: 0 20px; }
    #gnb { display: none; }
    .gnb_mnal { display: block; }
    .hd_login { display: none; }

    #wrapper { padding: 0 20px; }
    #container_wr { flex-direction: column; }
    #aside { width: 100%; }

    .co-section { padding: 72px 0; }
    .co-hero-inner { padding: 0 20px 80px; }
    .co-services-grid { grid-template-columns: 1fr; gap: 0; }
    .co-projects-grid { grid-template-columns: 1fr; }
    .co-project-item:first-child { grid-column: span 1; aspect-ratio: 3/4; }
    .co-process-steps { grid-template-columns: 1fr 1fr; }
    .co-board-grid { grid-template-columns: 1fr; }
    .co-about-stats { grid-template-columns: repeat(2, 1fr); }
    #ft_wr { grid-template-columns: 1fr; gap: 32px; padding: 0 20px 40px; }
    #ft_copy { flex-direction: column; align-items: flex-start; gap: 8px; }
    .co-hero-scroll { display: none; }
}

@media (max-width: 480px) {
    .co-hero h1 { font-size: 2.6rem; }
    .co-hero-btns { flex-direction: column; }
    .co-process-steps { grid-template-columns: 1fr; }
    .co-about-stats { grid-template-columns: 1fr 1fr; }
    #top_btn { bottom: 20px; right: 20px; width: 44px; height: 44px; }
}