/* ===================================
   CSS Reset & Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #8B7355;
    --secondary-color: #A0826D;
    --accent-color: #C4A57B;
    --text-dark: #2C2C2C;
    --text-light: #666666;
    --bg-light: #F9F7F4;
    --bg-white: #FFFFFF;
    --border-color: #E5E0DC;
    --shadow: rgba(139, 115, 85, 0.1);
    --kakao-color: #FEE500;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px var(--shadow);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo img {
    height: 70px;
    transition: transform 0.3s ease;
}

.nav-logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    color: var(--text-dark);
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background-color: white;
    box-shadow: 0 4px 20px var(--shadow);
    z-index: 999;
    padding: 20px;
    flex-direction: column;
    gap: 20px;
}

.mobile-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    padding: 150px 0 100px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #FFFFFF 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(196, 165, 123, 0.1) 0%, rgba(139, 115, 85, 0.05) 100%);
    z-index: 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 52px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-dark);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease;
}

.highlight-text {
    color: var(--primary-color);
    font-weight: 800;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
}

.hero-description {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.4s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.6s;
    animation-fill-mode: both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(139, 115, 85, 0.3);
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 115, 85, 0.4);
}

.btn-kakao {
    background-color: var(--kakao-color);
    color: var(--text-dark);
    box-shadow: 0 4px 15px rgba(254, 229, 0, 0.3);
}

.btn-kakao:hover {
    background-color: #FDD835;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(254, 229, 0, 0.4);
}

.hero-stats {
    display: flex;
    gap: 40px;
    animation: fadeInUp 0.8s ease 0.8s;
    animation-fill-mode: both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-light);
}

.hero-image {
    position: relative;
    animation: fadeInRight 1s ease;
}

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
}

.section-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.about-description {
    font-size: 17px;
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 40px;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
}

.highlight-item i {
    color: var(--primary-color);
    font-size: 20px;
}

/* ===================================
   Expertise Section
   =================================== */
.expertise {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.section-title-center {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 60px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.expertise-card {
    background: white;
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
}

.card-icon i {
    font-size: 32px;
    color: white;
}

.card-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.expertise-list {
    list-style: none;
}

.expertise-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
}

.expertise-list i {
    color: var(--primary-color);
    margin-top: 3px;
    flex-shrink: 0;
}

.card-badge {
    position: absolute;
    top: 30px;
    right: 30px;
    background-color: var(--accent-color);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* ===================================
   Career Section
   =================================== */
.career {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.career-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    margin-top: 60px;
}

.career-column {
    background: var(--bg-light);
    border-radius: 20px;
    padding: 50px 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.career-column-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.career-column-title i {
    font-size: 28px;
}

.career-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.career-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding-left: 10px;
}

.career-dot {
    width: 10px;
    height: 10px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.career-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-dark);
}

/* ===================================
   Success Cases Section
   =================================== */
.success-cases {
    padding: 100px 0;
    background-color: var(--bg-white);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.case-card {
    background: white;
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-icon i {
    font-size: 24px;
    color: white;
}

.case-category {
    background-color: var(--bg-light);
    color: var(--primary-color);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.case-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.case-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 25px;
    flex-grow: 1;
}

.case-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.result-label {
    font-size: 13px;
    color: var(--text-light);
    font-weight: 500;
}

.result-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
}

.contact-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.95;
}

.contact-firm {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    text-align: center;
}

.contact-logo {
    height: 120px;
    margin-bottom: 20px;
}

.contact-firm h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    display: none;
}

.firm-name-en {
    font-size: 14px;
    opacity: 0.8;
    letter-spacing: 2px;
    display: none;
}

.office-info {
    margin-top: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.95;
}

.info-item i {
    margin-top: 3px;
    font-size: 16px;
    flex-shrink: 0;
}

.contact-buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    color: var(--text-dark);
    padding: 25px 30px;
    border-radius: 15px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.contact-btn i {
    font-size: 32px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-phone i {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.btn-kakao i {
    background: var(--kakao-color);
    color: var(--text-dark);
}

.btn-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.btn-label {
    font-size: 14px;
    color: var(--text-light);
}

.btn-action {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-card {
    background: white;
    border-radius: 20px;
    padding: 50px;
    color: var(--text-dark);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.card-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    opacity: 0.1;
    border-radius: 0 20px 0 100%;
}

.contact-card h4 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.contact-card > p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text-dark);
}

.service-features i {
    color: var(--primary-color);
    font-size: 18px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--text-dark);
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo img {
    height: 100px;
}

.footer-logo p {
    font-size: 18px;
    font-weight: 600;
    display: none;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-info p {
    font-size: 14px;
    opacity: 0.8;
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        justify-content: space-around;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .career-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 15px;
    }
    
    .hero-stats {
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-title-center {
        font-size: 32px;
    }
    
    .expertise-card {
        padding: 35px 25px;
    }
    
    .career-column {
        padding: 35px 25px;
    }
    
    .contact-card {
        padding: 35px 25px;
    }
    
    .about,
    .expertise,
    .career,
    .contact {
        padding: 60px 0;
    }
}