/* ============================================
   GROUP-D Redesign Override
   Loaded AFTER all existing CSS files
   ============================================ */

/* --- Design Tokens --- */
:root {
    --gd-primary: #5056e4;
    --gd-primary-light: #6c71f0;
    --gd-primary-dark: #3a3fb0;
    --gd-primary-glow: rgba(80, 86, 228, 0.35);
    --gd-dark: #0d0f13;
    --gd-dark-alt: #252a33;
    --gd-dark-surface: #1a1d24;
    --gd-white: #ffffff;
    --gd-text: #333333;
    --gd-text-muted: rgba(255, 255, 255, 0.3);
    --gd-text-subtle: rgba(255, 255, 255, 0.55);
    --gd-radius: 12px;
    --gd-radius-sm: 6px;
    --gd-radius-lg: 20px;
    --gd-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
    --gd-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.2);
    --gd-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gd-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Global Polish --- */
html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

::selection {
    background: var(--gd-primary);
    color: var(--gd-white);
}

::-moz-selection {
    background: var(--gd-primary);
    color: var(--gd-white);
}

a {
    transition: color var(--gd-transition), opacity var(--gd-transition);
}

img {
    transition: transform var(--gd-transition-slow), filter var(--gd-transition-slow);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: var(--gd-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--gd-primary-dark);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--gd-primary);
}

/* --- Header --- */
.header {
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.headroom--not-top {
    background-color: rgba(13, 15, 19, 0.82);
    backdrop-filter: saturate(180%) blur(24px);
    -webkit-backdrop-filter: saturate(180%) blur(24px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.hd_wrap h1 a {
    display: inline-block;
    transition: transform var(--gd-transition), opacity var(--gd-transition);
}
.hd_wrap h1 a:hover {
    transform: scale(1.04);
    opacity: 0.9;
}

.icon,
.icon:before,
.icon:after {
    transition: all 0.35s cubic-bezier(0.23, 1, 0.32, 1);
    border-radius: 2px;
}

/* Menu overlay */
.menu_wrap {
    transition: top 0.6s cubic-bezier(0.77, 0, 0.175, 1);
}

.menu li {
    transition: color 0.25s ease, font-size 0.3s ease, letter-spacing 0.3s ease;
}
.menu li:hover {
    letter-spacing: 6px;
}
.open .menu li > a {
    transition: color 0.25s ease;
}
.open .menu li:hover > a {
    color: var(--gd-primary-light) !important;
}

/* --- Footer --- */
.footer {
    padding-top: 32px;
    padding-bottom: 28px;
    border-top: 1px solid rgba(80, 86, 228, 0.15);
    background: linear-gradient(180deg, #10121a 0%, var(--gd-dark) 100%);
}

.footer p {
    font-size: 13px;
    line-height: 24px;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: -0.01em;
}

.ft_btn_wrap > a {
    transition: transform var(--gd-transition), box-shadow var(--gd-transition);
}
.ft_btn_wrap > a:hover {
    transform: translateY(-2px);
}
.ft_btn01:hover {
    box-shadow: 0 4px 20px var(--gd-primary-glow);
}
.ft_btn02:hover {
    box-shadow: var(--gd-shadow);
}

.ft_btn_wrap > a > div {
    transition: color var(--gd-transition);
}
.ft_btn_wrap > a > div > img {
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow var(--gd-transition);
}
.ft_btn_wrap > a:hover > div > img {
    transform: translateX(6px);
}

/* --- Main Intro --- */
.main_intro .title {
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
}
.main_intro .title span {
    color: var(--gd-primary-light);
    text-shadow: 0 0 40px var(--gd-primary-glow);
}
.main_intro > .subtitle {
    text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}
.main_intro h4 {
    text-shadow: 0 4px 32px rgba(0, 0, 0, 0.5);
}
.main_intro h4 span {
    color: var(--gd-primary-light);
}

/* --- Main Visual --- */
.main_visual {
    height: 100vh;
    min-height: 100vh;
    overflow: hidden;
    transform: none;
}
.main_visual > video {
    width: 100%;
    height: 100vh;
    object-fit: cover;
}
.main_visual::before {
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.5) 0%,
        rgba(0, 0, 0, 0.65) 40%,
        rgba(0, 0, 0, 0.75) 70%,
        rgba(13, 15, 19, 0.9) 100%
    );
}
.main_visual::after {
    background: linear-gradient(90deg, transparent 0%, var(--gd-primary) 20%, var(--gd-primary) 80%, transparent 100%);
    height: 4px;
    bottom: -2px;
    opacity: 0.85;
}

.main_visual_wrap h2 {
    text-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
    letter-spacing: 2px;
}
.main_visual_wrap p {
    letter-spacing: 3px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    color: rgba(255, 255, 255, 0.75);
}

/* --- Main Slogan --- */
.main_slogan {
    position: relative;
}
.main_slogan h2 {
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.main_slogan h2 > span {
    color: var(--gd-primary);
    position: relative;
}
.main_slogan p {
    color: #444;
    line-height: 1.8;
    font-weight: 400;
}
.main_slogan p span {
    color: var(--gd-primary);
}

/* --- Main Graph --- */
.main_graph_wrap h2 {
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}
.main_graph_wrap h2 > span {
    color: var(--gd-primary-light);
}
.main_graph_wrap h4 > span {
    background: linear-gradient(135deg, var(--gd-primary-light), var(--gd-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main_graph_con02 > span {
    border-radius: 24px;
    transition: background-color var(--gd-transition), transform var(--gd-transition);
    backdrop-filter: blur(4px);
}
.main_graph_con02 > span:hover {
    background-color: rgba(80, 86, 228, 0.35);
    transform: translateY(-2px);
}
.main_graph_con02 > span:last-child:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.main_graph_scroll > a {
    transition: opacity var(--gd-transition);
}
.main_graph_scroll > a:hover {
    opacity: 0.7;
}

/* --- Main Team --- */
.main_team_swiper h3 {
    font-size: 60px;
    font-weight: 900;
    color: #fff;
    text-align: center;
    opacity: 0.2;
}
.main_team_swiper .swiper-slide-active h3 {
    opacity: 1;
}

.main_team_title h2 {
    letter-spacing: -0.02em;
}
.main_team_title p > span {
    color: var(--gd-primary-light);
}

.main_team_swiper h1,
.main_team_swiper h3 {
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.main_team_swiper .swiper-slide-active h1,
.main_team_swiper .swiper-slide-active h3 {
    text-shadow: 0 4px 30px rgba(80, 86, 228, 0.25);
}

.main_team .main_team_page > span {
    transition: color 0.3s ease, font-weight 0.3s ease, transform 0.3s ease;
}
.main_team .main_team_page > span {
    color: rgba(255, 255, 255, 0.25) !important;
}
.main_team .main_team_page > span:hover {
    color: rgba(255, 255, 255, 0.55) !important;
}
.main_team .main_team_page > span.swiper-pagination-bullet-active {
    color: var(--gd-primary-light);
    transform: scale(1.05);
}

.team_category {
    transition: all 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--gd-radius-sm);
}
.team_category h3 {
    transition: font-size 0.35s ease, font-weight 0.35s ease, color 0.35s ease;
}
.team_category:hover h3 {
    color: var(--gd-primary-light);
}
.team_category p {
    transition: font-size 0.35s ease, opacity 0.35s ease, line-height 0.35s ease;
    opacity: 0.45 !important;
    font-weight: 300;
}
.team_category:hover p {
    opacity: 1 !important;
}
.team_category::before {
    transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(to bottom, var(--gd-primary), transparent);
    border-radius: var(--gd-radius-sm) var(--gd-radius-sm) 0 0;
}

/* --- Main Portfolio --- */
.main_portfolio {
    background: linear-gradient(180deg, #000 0%, #080a10 100%);
}

.main_portfolio > div > a {
    transition: transform var(--gd-transition-slow);
    display: block;
}
.main_portfolio > div > a:hover {
    transform: translateY(-8px);
}

.main_portfolio_img {
    overflow: hidden;
    border-radius: var(--gd-radius-sm);
}
.main_portfolio_img > img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s ease;
}
.main_portfolio > div > a:hover .main_portfolio_img > img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.main_portfolio_img::after {
    transition: opacity 0.35s ease;
    border-radius: 0 0 var(--gd-radius-sm) var(--gd-radius-sm);
}

.main_portfolio h4 {
    transition: color 0.3s ease, font-weight 0.3s ease, transform 0.3s ease;
}
.main_portfolio > div > a:hover h4 {
    transform: translateY(-2px);
}

.main_portfolio_line {
    transition: background-color var(--gd-transition), width var(--gd-transition);
}
.main_portfolio > div > a:hover .main_portfolio_line {
    background-color: var(--gd-primary);
    width: 60%;
    margin: 0 auto;
}

.main_portfolio p {
    transition: color var(--gd-transition);
    color: rgba(255, 255, 255, 0.45);
}
.main_portfolio > div > a:hover p {
    color: rgba(255, 255, 255, 0.7);
}
.main_portfolio h4 {
    font-weight: 400;
}

/* --- Contact Page --- */
.contact01_wrap h2 {
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.contact02 p {
    color: rgba(255, 255, 255, 0.6) !important;
}
.contact04 p {
    color: rgba(195, 195, 195, 0.65) !important;
}

.contact04 {
    padding-top: 80px;
    padding-bottom: 0;
}
.contact04 h2 {
    letter-spacing: 2px;
}
.contact04 > a {
    transition: transform var(--gd-transition), box-shadow var(--gd-transition);
    display: inline-block;
}
.contact04 > a:hover,
.contact04 .center > a:hover {
    transform: translateY(-3px);
}

/* Form: category pills */
.form_cat {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-bottom: 32px;
}
.form_cat > span {
    font-weight: 600;
    color: var(--gd-white);
    margin-right: 8px;
}
.form_cat label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    transition: all var(--gd-transition);
    background: transparent;
}
.form_cat label:hover {
    border-color: var(--gd-primary-light);
    color: var(--gd-white);
}
.form_cat input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 50%;
    transition: all var(--gd-transition);
    position: relative;
    flex-shrink: 0;
}
.form_cat input[type="radio"]:checked {
    border-color: var(--gd-primary-light);
    background: var(--gd-primary);
    box-shadow: 0 0 0 3px var(--gd-primary-glow);
}
.form_cat input[type="radio"]:checked + * {
    color: var(--gd-white);
}
.form_cat label:has(input[type="radio"]:checked) {
    border-color: var(--gd-primary);
    background: rgba(80, 86, 228, 0.12);
    color: var(--gd-white);
}

/* Form: inputs */
.form_inp input,
.form_txt textarea {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--gd-radius-sm);
    color: var(--gd-white);
    padding: 14px 16px;
    font-size: 15px;
    transition: border-color var(--gd-transition), background var(--gd-transition), box-shadow var(--gd-transition);
    outline: none;
    font-family: 'Pretendard', sans-serif;
}
.form_inp input::placeholder,
.form_txt textarea::placeholder {
    color: rgba(255, 255, 255, 0.25);
}
.form_inp input:focus,
.form_txt textarea:focus {
    border-color: var(--gd-primary);
    background: rgba(80, 86, 228, 0.06);
    box-shadow: 0 0 0 3px var(--gd-primary-glow);
}
.form_inp span {
    color: var(--gd-text-subtle);
    font-weight: 500;
    letter-spacing: -0.01em;
}

.form_txt h3 {
    color: var(--gd-text-subtle);
    font-weight: 500;
}
.form_txt textarea {
    min-height: 180px;
    resize: vertical;
}
.form_txt > a {
    transition: opacity var(--gd-transition);
}
.form_txt > a:hover {
    opacity: 0.8;
}

/* Form: submit area */
.form_btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
}
.form_btn label {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    transition: color var(--gd-transition);
}
.form_btn label:hover {
    color: rgba(255, 255, 255, 0.8);
}
.form_btn input[type="radio"] {
    accent-color: var(--gd-primary);
}

.cs_form_btn,
.form_btn input[type="submit"] {
    background: var(--gd-primary);
    color: var(--gd-white);
    border: none;
    padding: 14px 48px;
    border-radius: 100px;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: background var(--gd-transition), transform var(--gd-transition), box-shadow var(--gd-transition);
    font-family: 'Pretendard', sans-serif;
}
.cs_form_btn:hover,
.form_btn input[type="submit"]:hover {
    background: var(--gd-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--gd-primary-glow);
}

/* --- Recruit Page --- */
.recruit01_wrap h2 {
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.recruit02 {
    position: relative;
}
.recruit02 .center {
    gap: 40px;
}
.recruit02 h2 span {
    color: var(--gd-primary);
}
.recruit02 p,
.recruit02_right p {
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.6) !important;
    font-weight: 300;
}
.recruit02 a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color var(--gd-transition), transform var(--gd-transition);
}
.recruit02 a:hover {
    color: var(--gd-primary);
    transform: translateX(4px);
}
.recruit02 a span {
    color: var(--gd-primary);
    font-weight: 700;
}

/* Recruit swiper nav */
.recruit03_prev,
.recruit03_next {
    transition: opacity var(--gd-transition), transform var(--gd-transition);
}
.recruit03_prev:hover {
    opacity: 0.7;
    transform: translateX(-3px);
}
.recruit03_next:hover {
    opacity: 0.7;
    transform: translateX(3px);
}

.recruit03_top_swiper .swiper-slide span {
    color: var(--gd-primary-light);
}
.recruit03_top_swiper .swiper-slide h3 {
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6) !important;
}
.recruit03_top_swiper .swiper-slide p {
    color: rgba(255, 255, 255, 0.55) !important;
}

.recruit03_page02 > span {
    transition: color var(--gd-transition), transform var(--gd-transition);
}
.recruit03_page02 > span:hover {
    color: var(--gd-primary-light) !important;
}

/* --- Portfolio Page --- */
.portfolio01_wrap h2 span,
.portfolio01_wrap h3 span {
    color: var(--gd-primary-light);
}
.portfolio01_wrap a {
    transition: color var(--gd-transition), letter-spacing var(--gd-transition);
}
.portfolio01_wrap a:hover {
    color: var(--gd-primary-light);
    letter-spacing: 1px;
}

.portfolio02_page > span {
    transition: color 0.3s ease, transform 0.3s ease, font-weight 0.3s ease;
}
.portfolio02_page > span:hover {
    color: var(--gd-primary-light) !important;
}

.dental_intro span {
    transition: opacity 0.4s ease;
}
.dental_intro strong {
    color: var(--gd-primary-light);
}

.filmd_swiper .swiper-slide img {
    border-radius: var(--gd-radius-sm);
    transition: transform 0.5s ease;
}
.filmd_swiper .swiper-slide:hover img {
    transform: scale(1.03);
}

.filmd_text h3 {
    letter-spacing: -0.01em;
}

/* --- AOS Animation Refinement --- */
[data-aos] {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1) !important;
}

/* --- SweetAlert Override --- */
.sweet-alert {
    border-radius: var(--gd-radius) !important;
    background: var(--gd-dark-surface) !important;
    color: var(--gd-white) !important;
    box-shadow: var(--gd-shadow-lg) !important;
    border: 1px solid rgba(255, 255, 255, 0.06) !important;
}
.sweet-alert h2 {
    color: var(--gd-white) !important;
}
.sweet-alert p {
    color: var(--gd-text-subtle) !important;
}
.sweet-alert button.confirm {
    background: var(--gd-primary) !important;
    border-radius: 100px !important;
    padding: 10px 32px !important;
    font-weight: 600 !important;
    transition: background var(--gd-transition), box-shadow var(--gd-transition) !important;
}
.sweet-alert button.confirm:hover {
    background: var(--gd-primary-light) !important;
    box-shadow: 0 4px 16px var(--gd-primary-glow) !important;
}

/* --- Gnuboard Default CSS Overrides --- */
#wrapper {}

.btn_confirm a,
.btn_confirm input[type="submit"] {
    border-radius: var(--gd-radius-sm);
    transition: background var(--gd-transition);
}

/* Board page pagination (non-database boards) */
.board_pagin_wrp a,
.board_pagin_wrp strong {
    border-radius: var(--gd-radius-sm);
    transition: background var(--gd-transition), color var(--gd-transition);
}

/* --- Responsive: 1660px --- */
@media screen and (max-width: 1660px) {
    .footer {
        padding-top: 18px;
        padding-bottom: 14px;
    }

    .form_cat {
        gap: 8px;
    }
    .form_cat label {
        padding: 6px 16px;
        font-size: 14px;
    }

    .cs_form_btn,
    .form_btn input[type="submit"] {
        padding: 12px 36px;
        font-size: 15px;
    }
}

/* --- Responsive: 992px --- */
@media (max-width: 992px) {
    .footer {
        padding-top: 40px;
        padding-bottom: 44px;
        border-top: 1px solid rgba(80, 86, 228, 0.12);
    }

    .ft_btn_wrap > a {
        border-radius: var(--gd-radius-sm);
    }
    .ft_btn01 {
        margin-bottom: 12px;
    }

    .main_portfolio > div > a:hover {
        transform: none;
    }

    .form_cat {
        gap: 8px;
        justify-content: flex-start;
    }
    .form_cat > span {
        width: 100%;
        margin-bottom: 4px;
    }
    .form_cat label {
        padding: 6px 14px;
        font-size: 13px;
    }

    .form_inp input,
    .form_txt textarea {
        padding: 12px 14px;
        font-size: 14px;
    }

    .form_btn {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    .cs_form_btn,
    .form_btn input[type="submit"] {
        width: 100%;
        text-align: center;
    }

    .menu li:hover {
        letter-spacing: 3px;
    }
}