@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Pretendard', sans-serif;
}
:root {
    --text-dark: #11142b;
    --text-gray: #4a4d6a;
    --bg-light: #f8f9fc;
    --section-gap: 180px;
    --lime-home: #92d050;
    --purple-gungga: #8a63c4;
    --orange-tang: #ff8c00;
}
body {
    --primary: var(--lime-home);
    background-color: var(--bg-light);
    color: var(--text-dark);
    overflow-x: hidden;
    line-height: 1.6;
}
body.theme-gungga {
    --primary: var(--purple-gungga);
}
body.theme-tangerine {
    --primary: var(--orange-tang);
}
.glass-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 8%;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 249, 252, 0.8);
    backdrop-filter: blur(15px);
    box-shadow: 0 4px 30px rgba(17, 20, 43, 0.05);
}
.logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, var(--primary), #555);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links a {
    color: var(--text-gray);
    text-decoration: none;
    margin-left: 2.5rem;
    font-weight: 600;
    transition: 0.3s;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(200, 200, 200, 0.1) 100%);
}
body:not([class*="theme-"]) .hero {
    background: linear-gradient(135deg, #f0f9e8 0%, #ffffff 100%);
}
.hero-text h1 {
    font-size: 4rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1a1b41;
}
.highlight {
    color: var(--primary);
}
.sub-title {
    display: block;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 10px;
    text-transform: uppercase;
}
.hero-3d-card {
    width: 100%;
    max-width: 500px;
    height: 600px;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
#3d-interaction-container canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}
.js-tilt-glare {
    border-radius: inherit;
}
.project-hero {
    height: 65vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px;
}
.theme-gungga .project-hero {
    background-color: #f4effa;
    color: var(--primary);
}
.theme-tangerine .project-hero {
    background-color: #fff6eb;
    color: var(--primary);
}
.project-hero h1 {
    font-size: 4.5rem;
    font-weight: 900;
}
.content-section {
    padding: var(--section-gap) 10%;
    max-width: 1400px;
    margin: 0 auto;
}
.section-header {
    margin-bottom: 60px;
}
.section-header h2 {
    font-size: 2.8rem;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 5px;
    background: var(--primary);
}
.grid-2-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}
.simple-card {
    background: white;
    padding: 50px;
    border-radius: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.04);
    border-top: 6px solid var(--primary);
}
.date {
    display: block;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 12px;
}
.list-dots {
    list-style: none;
    margin-top: 20px;
}
.list-dots li {
    margin-bottom: 15px;
    color: var(--text-gray);
    padding-left: 20px;
    position: relative;
}
.list-dots li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 900;
}
.step-info {
    flex: 1;
}
.step-info h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}
.image-placeholder {
    flex: 1.2;
    height: 500px;
    background: #eef1f6;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.process-step {
    display: flex;
    align-items: center;
    gap: 60px;
    margin-bottom: 150px;
}
.process-step:last-child {
    margin-bottom: 0;
}
.process-step.detail-view {
    flex-direction: column;
    align-items: flex-start;
}
.process-step.detail-view .step-info {
    width: 100%;
    max-width: 800px;
    margin-bottom: 40px;
}
.process-step.detail-view .image-placeholder {
    width: 100%;
    height: auto;
    background: none;
    flex-direction: column;
}
.process-step.detail-view .image-placeholder img {
    width: 33.33% !important;
    height: auto;
    margin: 0 auto;        
    display: block;
}
.process-step.reverse .image-placeholder {
    height: auto;
    background: none;
    overflow: visible;
}
.process-step.reverse .image-placeholder img {
    height: auto;
    object-fit: contain;
}
.process-step:nth-child(3) .image-placeholder {
    height: auto;
}
.process-step:nth-child(3) .image-placeholder img {
    height: auto;
    object-fit: contain;
}
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 40px;
}
.skill-tags span {
    padding: 14px 30px;
    background: white;
    border: 1px solid #eee;
    border-radius: 100px;
    font-weight: 700;
    transition: 0.3s;
}
.skill-tags span:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: 1s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        justify-content: flex-start;
        gap: 3rem;
        padding-top: 250px;
    }
    .project-hero h1 {
        font-size: 3rem;
    }
    .grid-2-col,
    .process-step,
    .process-step.reverse {
        grid-template-columns: 1fr;
        flex-direction: column;
        gap: 3rem;
    }
}
.theme-tangerine .project-hero::before {
    background-image: url('img/tangerine_hero_bg.jpg');
}
.theme-gungga .project-hero::before {
    background-image: url('img/gungga_hero_bg.jpg');
}
.project-hero .fade-in {
    position: relative;
    z-index: 10;
}
.theme-tangerine .project-hero,
.theme-gungga .project-hero {
    position: relative;
    overflow: hidden;
}
.theme-tangerine .project-hero::before,
.theme-gungga .project-hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    z-index: 1;
}
.theme-gungga .project-hero::before {
    background-image: url('../img/gmain.jpg');
}
.theme-tangerine .project-hero::before {
    background-image: url('../img/tmain.jpg');
}
.project-hero .fade-in {
    position: relative;
    z-index: 10;
}
.menu-toggle {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}
.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: 0.3s;
}
@media (max-width: 992px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }
    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        width: 70%;
        height: 100vh;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.4s ease;
        box-shadow: -10px 0 20px rgba(0, 0, 0, 0.05);
        display: flex !important;
    }
    .nav-links.active {
        right: 0;
    }
    .nav-links a {
        margin: 20px 0;
        font-size: 1.2rem;
    }
    .menu-toggle.is-active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .menu-toggle.is-active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.is-active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
    .skill-tags {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .skill-tags span {
        width: 100%;
        max-width: 300px;
        text-align: center;
    }
}
.footer {
    width: 100%;
    padding: 60px 0;
    background-color: #fff;
    border-top: 1px solid #eee;
    text-align: center;
}
.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-gray);
}
.footer-email {
    font-size: 0.95rem;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 10px;
}
.copyright {
    font-size: 0.85rem;
    color: #999;
    letter-spacing: 0.5px;
}
@media (max-width: 768px) {
    .footer {
        padding: 40px 0;
    }
}
.card-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.glass-object {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow:
        inset 0 20px 30px rgba(255, 255, 255, 0.5),
        0 20px 50px rgba(0, 0, 0, 0.1);
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.inner-circle {
    position: relative;
    width: 65%;
    height: 65%;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
    border-radius: 50%;
    filter: blur(20px);
    opacity: 0.8;
    animation: simple-rotate 6s linear infinite;
}
@keyframes simple-rotate {
    from {
        transform: rotate(0deg) scale(1);
    }
    50% {
        transform: rotate(180deg) scale(1.1);
    }
    to {
        transform: rotate(360deg) scale(1);
    }
}