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

:root {
    /* Colors - Based on Korea Startup Forum Style */
    --color-primary: #10B981;
    --color-primary-dark: #059669;
    --color-secondary: #0062b8;
    --color-accent: #D1FAE5;
    --color-bg-dark: #09090b;
    --color-bg-darker: #18181b;
    --color-bg-light: #F9FAFB;
    --color-text-dark: #111827;
    --color-text-light: #ffffff;
    --color-text-gray: #9ca3af;
    --color-border: #27272a;

    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-light);
    background-color: var(--color-bg-dark);
    overflow-x: hidden;
}

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

/* =============================================
   Header & Navigation
   ============================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(9, 9, 11, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo {
    height: 36px;
    width: auto;
    object-fit: contain;
}

.logo {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    text-decoration: none;
    transition: var(--transition-fast);
}

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



.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
}

.nav-menu a:hover {
    color: var(--color-primary);
    background-color: rgba(16, 185, 129, 0.1);
}

.nav-cta {
    background-color: var(--color-primary) !important;
    color: var(--color-text-light) !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: var(--radius-md);
}

.nav-cta:hover {
    background-color: var(--color-primary-dark) !important;
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-light);
    transition: var(--transition-fast);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e3a5f 0%, #0a1929 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 98, 184, 0.1) 0%, transparent 50%);
    animation: pulse 10s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.4);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: 80px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    background: linear-gradient(135deg, #ffffff 0%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-semibold);
}

.hero-slogan {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    font-weight: var(--font-weight-medium);
}

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

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator {
    display: inline-block;
    color: var(--color-text-light);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    transition: var(--transition-fast);
}

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

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

/* =============================================
   Buttons
   ============================================= */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-light);
    border-color: var(--color-text-light);
}

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

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

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.section-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* =============================================
   About Section
   ============================================= */
.section-about {
    background-color: var(--color-bg-darker);
}

.about-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.about-card {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.2);
}

.about-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.about-card p {
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* Manifesto Styles */
.about-manifesto {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.manifesto-content {
    margin-bottom: var(--spacing-md);
}

.manifesto-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    text-align: center;
    line-height: 1.3;
}

.manifesto-text {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.manifesto-text p {
    color: var(--color-text-light);
    line-height: 2;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.manifesto-text p:last-child {
    margin-bottom: 0;
}

.manifesto-text strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.manifesto-highlight {
    margin: var(--spacing-lg) 0;
}

.highlight-box {
    position: relative;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(0, 98, 184, 0.15) 100%);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 2px solid var(--color-primary);
    text-align: center;
}

.highlight-box i {
    color: var(--color-primary);
    font-size: 1.5rem;
    opacity: 0.5;
}

.highlight-box .fa-quote-left {
    display: block;
    margin-bottom: var(--spacing-sm);
}

.highlight-box .fa-quote-right {
    display: block;
    margin-top: var(--spacing-sm);
}

.highlight-text {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    line-height: 1.8;
    color: var(--color-text-light);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

/* =============================================
   Vision Section
   ============================================= */
.section-vision {
    background-color: var(--color-bg-dark);
}

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

.vision-card {
    position: relative;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(0, 98, 184, 0.1) 100%);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    overflow: hidden;
}

.vision-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.vision-card:hover::before {
    transform: scaleX(1);
}

.vision-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.vision-number {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: rgba(255, 255, 255, 0.05);
}

.vision-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.vision-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.vision-description {
    color: var(--color-text-gray);
    line-height: 1.8;
}

/* =============================================
   Goals Section
   ============================================= */
.section-goals {
    background-color: var(--color-bg-darker);
}

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

.goal-card {
    background-color: var(--color-bg-dark);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.goal-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-secondary);
    box-shadow: 0 10px 30px rgba(0, 98, 184, 0.2);
}

.goal-icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.goal-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
    text-align: center;
}

.goal-description {
    color: var(--color-text-gray);
    line-height: 1.8;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.goal-list {
    list-style: none;
    padding: 0;
    margin-top: var(--spacing-sm);
    text-align: left;
}

.goal-list li {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-xs);
    padding-left: 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.goal-list li i {
    color: var(--color-secondary);
    font-size: 0.875rem;
    margin-top: 0.35rem;
    flex-shrink: 0;
}

/* =============================================
   Benefits Section
   ============================================= */
.section-benefits {
    background-color: var(--color-bg-dark);
}

.benefits-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tabs-header {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.tab-btn {
    padding: 0.75rem 2rem;
    background-color: transparent;
    color: var(--color-text-gray);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-family);
}

.tab-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-text-light);
}

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

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.benefit-item {
    background-color: var(--color-bg-darker);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
    text-align: center;
}

.benefit-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.benefit-item h4 {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.benefit-item p {
    color: var(--color-text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* =============================================
   Companies Section
   ============================================= */
.section-companies {
    background: var(--color-bg-dark);
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
    margin-top: var(--spacing-md);
}

.company-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    padding: 1.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.company-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.15);
}

.company-name {
    font-size: 0.95rem;
    font-weight: var(--font-weight-semibold);
    color: #1f2937;
    text-align: center;
    line-height: 1.4;
}

.company-card img.company-logo {
    max-width: 85%;
    max-height: 70%;
    object-fit: contain;
}

@media (max-width: 768px) {
    .companies-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .companies-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .company-card {
        padding: 1rem;
        aspect-ratio: 1 / 1;
    }

    .company-name {
        font-size: 0.85rem;
    }
}

/* =============================================
   Join Section
   ============================================= */
.section-join {
    background: linear-gradient(135deg, #1e3a5f 0%, #0a1929 100%);
    position: relative;
    overflow: hidden;
}

.section-join::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 30% 50%, rgba(16, 185, 129, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 98, 184, 0.15) 0%, transparent 50%);
}

.join-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.join-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.join-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.join-info-box {
    background-color: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    text-align: left;
}

.info-icon {
    font-size: 2rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-content {
    flex: 1;
}

.info-title {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.info-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin: 0;
}

.info-text strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.join-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--color-text-gray);
    font-weight: var(--font-weight-medium);
}

.join-cta {
    margin-top: var(--spacing-md);
}

.join-note {
    margin-top: var(--spacing-sm);
    color: var(--color-text-gray);
    font-size: 0.95rem;
}

.join-note a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.join-note a:hover {
    text-decoration: underline;
    color: var(--color-primary-dark);
}

/* =============================================
   Modal
   ============================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background-color: var(--color-bg-dark);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 500px;
    width: 90%;
    z-index: 10000;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: var(--color-text-gray);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0.5rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text-light);
    transform: rotate(90deg);
}

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

.modal-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.modal-title {
    font-size: 1.75rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    margin: 0;
}

.modal-body {
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.modal-body p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-body strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.modal-footer {
    text-align: center;
}

.modal-footer .btn {
    width: 100%;
}

/* =============================================
   Footer
   ============================================= */
.footer {
    background-color: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.footer-title {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

.footer-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

.footer-info-details {
    margin-top: var(--spacing-sm);
}

.footer-info-details p {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-info-details i {
    color: var(--color-primary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: space-between;
}

.footer-section {
    min-width: 200px;
}

.footer-section h4 {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

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

.footer-section li {
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section li i {
    color: var(--color-primary);
    font-size: 0.875rem;
    width: 16px;
    flex-shrink: 0;
}

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

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

.footer-social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-social-links a {
    color: var(--color-text-gray);
    text-decoration: none;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.footer-social-links i {
    color: var(--color-primary);
    font-size: 0.875rem;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    color: var(--color-text-gray);
    font-size: 0.9rem;
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: rgba(9, 9, 11, 0.98);
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: var(--transition-normal);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-slogan br {
        display: none;
    }

    .hero-cta {
        flex-direction: column;
    }

    .about-content,
    .vision-grid,
    .goals-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .join-info-box {
        flex-direction: column;
        text-align: center;
    }

    .info-icon {
        align-self: center;
    }

    .info-content {
        text-align: center;
    }

    .join-stats {
        gap: var(--spacing-md);
    }

    .tabs-header {
        flex-direction: column;
    }

    .tab-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .btn {
        width: 100%;
    }
}