/* ============================================
   Global Styles & Variables
   ============================================ */
:root {
    /* Primary Colors - Inspired by the design */
    --primary-red: #E94545;
    --primary-blue: #0052CC;
    --primary-yellow: #FFD166;
    --primary-pink: #FF6B9D;
    --primary-green: #06D6A0;
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --black: #1A1A1A;
    
    /* Accent Colors */
    --accent-orange: #FF8A3D;
    --accent-purple: #9D4EDD;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50%;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

.highlight {
    color: var(--primary-red);
    position: relative;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    transition: var(--transition);
    display: block;
}

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

.nav-menu {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-link {
    color: var(--dark-gray);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: var(--spacing-xs) 0.75rem;
    border-radius: var(--radius-sm);
}

.nav-link:hover {
    color: var(--primary-red);
    background-color: var(--light-gray);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: #E94545;
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   Language Switcher
   ============================================ */
.language-switcher {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.lang-btn:hover {
    background-color: var(--light-gray);
}

.lang-btn.active {
    color: var(--primary-red);
    background-color: rgba(233, 69, 69, 0.1);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    background: linear-gradient(135deg, #0052CC 0%, #0066FF 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-image {
    position: relative;
    height: 400px;
}

.floating-element {
    position: absolute;
    animation: float 4s ease-in-out infinite;
    opacity: 0.85;
}

.element-1 {
    top: 5%;
    left: 10%;
    font-size: 5rem !important;
    animation-delay: 0s;
    color: var(--primary-yellow);
}

.element-2 {
    top: 40%;
    right: 5%;
    font-size: 4.5rem !important;
    animation-delay: 0.7s;
    color: var(--primary-pink);
}

.element-3 {
    bottom: 8%;
    left: 70%;
    font-size: 2.5rem !important;
    animation-delay: 1.3s;
    color: var(--primary-green);
}

.element-4 {
    top: 25%;
    left: 45%;
    font-size: 1.8rem !important;
    animation-delay: 0.4s;
    color: var(--primary-yellow);
}

.element-5 {
    bottom: 15%;
    left: 15%;
    font-size: 4rem !important;
    animation-delay: 1.5s;
    color: var(--primary-pink);
}

.element-6 {
    top: 10%;
    right: 25%;
    font-size: 3.5rem !important;
    animation-delay: 0.9s;
    color: var(--primary-green);
}

.element-7 {
    top: 60%;
    right: 15%;
    font-size: 4.8rem !important;
    animation-delay: 1.8s;
    color: var(--accent-purple);
}

.element-8 {
    top: 50%;
    left: 5%;
    font-size: 2rem !important;
    animation-delay: 0.5s;
    color: var(--accent-orange);
}

.element-9 {
    bottom: 25%;
    right: 40%;
    font-size: 3.2rem !important;
    animation-delay: 2s;
    color: var(--primary-yellow);
}

.element-10 {
    top: 70%;
    left: 50%;
    font-size: 2.8rem !important;
    animation-delay: 1.2s;
    color: var(--primary-green);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--white) 2px, transparent 2px),
        radial-gradient(circle at 80% 20%, var(--white) 2px, transparent 2px),
        radial-gradient(circle at 60% 80%, var(--white) 2px, transparent 2px);
    background-size: 100px 100px;
    z-index: 1;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: #D63838;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background-color: var(--primary-blue);
    color: var(--white);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-description {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   Government Partners Section
   ============================================ */
.gov-partners {
    background-color: var(--white);
    padding: var(--spacing-lg) 0;
}

.gov-partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.gov-partner-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.gov-partner-item:hover {
    transform: translateY(-5px);
}

.gov-partner-icon {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, #F7FAFC 0%, #EDF2F7 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 82, 204, 0.1);
    transition: var(--transition);
    border: 3px solid transparent;
}

.gov-partner-item:hover .gov-partner-icon {
    border-color: var(--primary-blue);
    box-shadow: 0 6px 20px rgba(0, 82, 204, 0.2);
    transform: scale(1.05);
}

.gov-partner-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gov-partner-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-gray);
    text-align: center;
    line-height: 1.3;
}

/* ============================================
   Mission Section
   ============================================ */
.mission {
    background-color: var(--light-gray);
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.mission-grid-extended {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.mission-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: left;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.mission-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.mission-number {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 2.5rem;
    font-weight: 900;
    opacity: 0.1;
    color: var(--dark-gray);
}

.mission-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
    color: var(--white);
}

.mission-icon.yellow {
    background-color: #FFD166;
    color: var(--white);
}

.mission-icon.dark {
    background-color: #4A5568;
    color: var(--white);
}

.mission-card h3 {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 1.3rem;
}

.mission-card p {
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

/* Core Values Section */
.core-values {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid #E0E0E0;
}

.values-title {
    font-size: 2rem;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
}

.hexagon-values {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.value-hex {
    width: 140px;
    height: 160px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
    transition: var(--transition);
}

.value-hex:hover {
    transform: scale(1.1);
}

.hex-blue {
    background: linear-gradient(135deg, #4299E1, #3182CE);
}

.hex-yellow {
    background: linear-gradient(135deg, #F6E05E, #ECC94B);
}

.hex-green {
    background: linear-gradient(135deg, #48BB78, #38A169);
}

.hex-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-align: center;
    padding: var(--spacing-sm);
}

.hex-content i {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.hex-content span {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
}

/* ============================================
   Features Section
   ============================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    border-color: var(--primary-blue);
    transform: scale(1.05);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
    font-size: 1.5rem;
    color: var(--white);
}

.feature-card h3 {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-xs);
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--gray);
    font-size: 0.95rem;
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-red) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--dark-gray);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-red);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--light-gray);
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-15px) rotate(5deg);
    }
    50% {
        transform: translateY(-30px) rotate(0deg);
    }
    75% {
        transform: translateY(-15px) rotate(-5deg);
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.3rem; }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .language-switcher {
        position: absolute;
        top: 20px;
        right: 70px;
        gap: 0.2rem;
    }
    
    .lang-btn {
        padding: 0.3rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image {
        height: 250px;
    }
    
    .floating-element {
        opacity: 0.7;
    }
    
    .element-1 { font-size: 2.5rem !important; }
    .element-2 { font-size: 2.8rem !important; }
    .element-3 { font-size: 1.5rem !important; }
    .element-4 { font-size: 1.2rem !important; }
    .element-5 { font-size: 2.2rem !important; }
    .element-6 { font-size: 2rem !important; }
    .element-7 { font-size: 3rem !important; }
    .element-8 { font-size: 1.3rem !important; }
    .element-9 { font-size: 2rem !important; }
    .element-10 { font-size: 1.7rem !important; }
    
    .gov-partners {
        padding: var(--spacing-md) 0;
    }
    
    .gov-partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .gov-partner-icon {
        width: 100px;
        height: 100px;
        padding: 18px;
    }
    
    .gov-partner-name {
        font-size: 0.8rem;
        line-height: 1.2;
    }
    
    .mission {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-md);
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .section-description {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }
    
    .mission-grid,
    .mission-grid-extended,
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .mission-card {
        padding: var(--spacing-md);
    }
    
    .mission-number {
        font-size: 2rem;
        top: 15px;
        left: 15px;
    }
    
    .mission-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    .mission-card h3 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    
    .mission-card p {
        font-size: 0.9rem;
        line-height: 1.6;
        margin-bottom: 0.3rem;
    }
    
    .core-values {
        margin-top: var(--spacing-lg);
        padding-top: var(--spacing-lg);
    }
    
    .values-title {
        font-size: 1.5rem;
    }
    
    .hexagon-values {
        gap: var(--spacing-sm);
    }
    
    .value-hex {
        width: 100px;
        height: 120px;
    }
    
    .hex-content i {
        font-size: 1.5rem;
    }
    
    .hex-content span {
        font-size: 0.85rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-section {
        margin-bottom: var(--spacing-md);
    }
    
    .social-links {
        justify-content: center;
    }
}

/* ============================================
   Mobile Extra Small Screens
   ============================================ */
@media (max-width: 480px) {
    h1 { font-size: 1.6rem; }
    h2 { font-size: 1.4rem; }
    h3 { font-size: 1.1rem; }
    
    .hero-title {
        font-size: 1.6rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .gov-partners {
        padding: var(--spacing-sm) 0;
    }
    
    .gov-partners-grid {
        gap: var(--spacing-sm);
    }
    
    .gov-partner-icon {
        width: 80px;
        height: 80px;
        padding: 15px;
    }
    
    .gov-partner-name {
        font-size: 0.75rem;
    }
    
    .mission {
        padding: var(--spacing-md) 0;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .section-description {
        font-size: 0.9rem;
    }
    
    .mission-card {
        padding: var(--spacing-sm);
    }
    
    .mission-number {
        font-size: 1.8rem;
        top: 12px;
        left: 12px;
    }
    
    .mission-icon {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .mission-card h3 {
        font-size: 1rem;
    }
    
    .mission-card p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
    
    .values-title {
        font-size: 1.3rem;
    }
    
    .value-hex {
        width: 85px;
        height: 100px;
    }
    
    .hex-content i {
        font-size: 1.3rem;
    }
    
    .hex-content span {
        font-size: 0.75rem;
    }
    
    .btn {
        font-size: 0.95rem;
        padding: 0.85rem 1.5rem;
    }
    
    .floating-element {
        font-size: 1.5rem !important;
    }
    
    .element-1 { font-size: 2rem !important; }
    .element-2 { font-size: 2.2rem !important; }
    .element-5 { font-size: 2rem !important; }
    .element-6 { font-size: 1.8rem !important; }
    .element-7 { font-size: 2.5rem !important; }
    .element-9 { font-size: 1.8rem !important; }
}