/* ===================================
   DE Genesis - Global Styles
   =================================== */

:root {
    /* Colors */
    --primary: #FF6B35;
    --primary-dark: #E55A2B;
    --secondary: #1A1A2E;
    --accent: #16213E;
    --gold: #D4AF37;
    --text-dark: #1A1A2E;
    --text-light: #FFFFFF;
    --text-gray: #6B7280;
    --bg-dark: #0F0F1A;
    --bg-light: #F9FAFB;
    --bg-gray: #F3F4F6;
    
    /* Typography */
    --font-ko: 'Noto Sans KR', sans-serif;
    --font-en: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-ko);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--bg-light);
    overflow-x: hidden;
}

body.en {
    font-family: var(--font-en);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.btn-secondary:hover {
    background: var(--text-light);
    color: var(--text-dark);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===================================
   Navigation
   =================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    align-items: center;
}

.logo-de {
    color: var(--primary);
}

.logo-genesis {
    color: var(--text-light);
}

.footer .logo-genesis {
    color: var(--text-light);
}

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

.nav-link {
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-toggle {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    padding: 8px 16px;
    color: var(--text-light);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
}

.lang-toggle:hover {
    border-color: var(--primary);
}

.lang-toggle span {
    opacity: 0.6;
    transition: var(--transition);
}

.lang-toggle span.active {
    opacity: 1;
    color: var(--primary);
}

.lang-divider {
    margin: 0 5px;
    opacity: 0.4;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-light);
    font-size: 24px;
    cursor: pointer;
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 15, 26, 0.85) 0%,
        rgba(26, 26, 46, 0.7) 100%
    );
}

.hero-content {
    text-align: center;
    padding: 0 24px;
    max-width: 900px;
}

.hero-title {
    margin-bottom: 30px;
}

.title-line {
    display: block;
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 800;
    color: var(--text-light);
    line-height: 1.3;
}

.title-line.highlight {
    color: var(--primary);
    text-shadow: 0 0 30px rgba(255, 107, 53, 0.3);
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--gold);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.hero-scroll a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.hero-scroll a:hover {
    color: var(--primary);
}

.hero-scroll i {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(10px); }
    60% { transform: translateY(5px); }
}

/* ===================================
   Section Common Styles
   =================================== */

.section-label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.section-label.light {
    color: var(--gold);
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-title.light {
    color: var(--text-light);
}

.section-subtitle {
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto 50px;
}

.section-desc.light {
    color: rgba(255, 255, 255, 0.8);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

/* ===================================
   Identity Section
   =================================== */

.identity {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

.identity-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.identity-image {
    position: relative;
}

.identity-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.2), transparent);
    filter: blur(60px);
    z-index: -1;
}

.identity-features {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: var(--text-light);
    border-radius: 16px;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    font-size: 24px;
    color: var(--text-light);
}

.feature-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.feature-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===================================
   Technology Section
   =================================== */

.technology {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.tech-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.tech-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 26, 0.92);
}

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

.tech-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
}

.tech-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-10px);
    border-color: var(--primary);
}

.tech-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.tech-card-icon i {
    font-size: 32px;
    color: var(--text-light);
}

.tech-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: 15px;
}

.tech-card p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: 25px;
}

.tech-stat {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   Applications Section
   =================================== */

.applications {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.app-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.app-tab {
    padding: 14px 30px;
    background: var(--text-light);
    border: 2px solid transparent;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition);
}

.app-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.app-tab.active {
    background: var(--primary);
    color: var(--text-light);
}

.app-panel {
    display: none;
}

.app-panel.active {
    display: block;
}

.app-panel-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 60px;
    align-items: center;
    background: var(--text-light);
    border-radius: 24px;
    padding: 60px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.app-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.app-info p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.app-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.app-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-dark);
}

.app-benefits li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
}

.app-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.app-image i {
    font-size: 150px;
    color: var(--primary);
    opacity: 0.2;
}

/* ===================================
   Trust Section
   =================================== */

.trust {
    padding: var(--section-padding) 0;
    background: var(--bg-light);
}

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

.trust-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.trust-details {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.trust-item {
    display: flex;
    gap: 20px;
    padding: 30px;
    background: var(--text-light);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.trust-item:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.trust-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--secondary));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-icon i {
    font-size: 26px;
    color: var(--gold);
}

.trust-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.trust-text p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===================================
   Vision Section
   =================================== */

.vision {
    padding: var(--section-padding) 0;
    position: relative;
    overflow: hidden;
}

.vision-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.vision-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vision-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 26, 0.85);
}

.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.vision-desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.9;
    margin-bottom: 60px;
}

.vision-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.stat-box {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px 20px;
    text-align: center;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    color: var(--primary);
}

.stat-suffix {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
}

.stat-text {
    display: block;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 10px;
}

/* ===================================
   Contact Section
   =================================== */

.contact {
    padding: var(--section-padding) 0;
    background: var(--bg-gray);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-desc {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 40px;
}

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

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

.contact-item i {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
}

.contact-form {
    background: var(--text-light);
    border-radius: 24px;
    padding: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #E5E7EB;
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--bg-dark);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    margin-top: 20px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--text-light);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    transition: var(--transition);
}

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

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 15px;
    margin-bottom: 10px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.4);
    font-size: 14px;
}

/* ===================================
   Modal
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--text-light);
    border-radius: 24px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: var(--transition);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--bg-gray);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--primary);
    color: var(--text-light);
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.cas-info {
    text-align: center;
    padding: 30px;
    background: var(--bg-gray);
    border-radius: 16px;
    margin-bottom: 30px;
}

.cas-status {
    margin-bottom: 15px;
}

.status-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--text-light);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.cas-info h4 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.cas-info p {
    font-size: 14px;
    color: var(--text-gray);
}

.cas-details {
    margin-bottom: 30px;
}

.cas-item {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid #E5E7EB;
}

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

.cas-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}

.cas-graph h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.graph-placeholder {
    background: var(--bg-gray);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
}

.graph-placeholder i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 15px;
}

.graph-placeholder p {
    font-size: 14px;
    color: var(--text-gray);
}

/* ===================================
   Responsive Styles
   =================================== */

@media (max-width: 1024px) {
    .identity-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .trust-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition-slow);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .app-panel-content {
        grid-template-columns: 1fr;
        padding: 30px;
    }
    
    .app-image {
        display: none;
    }
    
    .vision-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .contact-form {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .app-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .app-tab {
        width: 100%;
        text-align: center;
    }
}

/* ===================================
   Animations
   =================================== */

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 2s infinite;
}