:root{--primary-color: #007AFF;--primary-dark: #0056CC;--secondary-color: #5856D6;--success-color: #28CD41;--warning-color: #FF9500;--error-color: #FF3B30;--text-primary: #1D1D1F;--text-secondary: #86868B;--text-tertiary: #C7C7CC;--background-primary: #FFFFFF;--background-secondary: hsl(0, 0%, 100%);--background-tertiary: #E5E5EA;--surface-color: #FFFFFF;--overlay-color: rgba(0, 0, 0, .4);--separator: #E5E7EB;--separator-opaque: #3C3C43;--spacing-1: 4px;--spacing-2: 8px;--spacing-3: 12px;--spacing-4: 16px;--spacing-5: 20px;--spacing-6: 24px;--spacing-8: 32px;--spacing-10: 40px;--spacing-12: 48px;--spacing-16: 64px;--spacing-20: 80px;--spacing-24: 96px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-2xl: 20px;--radius-3xl: 24px;--radius-4xl: 32px;--text-xs: 12px;--text-sm: 14px;--text-base: 16px;--text-lg: 18px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 30px;--text-4xl: 36px;--text-5xl: 48px;--font-weight-light: 300;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .03);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .08), 0 2px 4px -1px rgba(0, 0, 0, .04);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -2px rgba(0, 0, 0, .04);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .08), 0 10px 10px -5px rgba(0, 0, 0, .03);--shadow-card: 0 2px 20px rgba(0, 0, 0, .06);--shadow-card-hover: 0 8px 40px rgba(0, 0, 0, .12);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}*{box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica 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24px;border-radius:var(--radius-lg);font-size:var(--text-base);font-weight:var(--font-weight-semibold);text-decoration:none;border:none;cursor:pointer;transition:all var(--transition-normal);line-height:1;gap:8px}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-dark)}.btn-secondary{background-color:var(--background-secondary);color:var(--text-primary);border:1px solid var(--separator)}.btn-secondary:hover{background-color:var(--background-tertiary);border-color:var(--text-secondary)}.btn-success{background-color:var(--success-color);color:#fff}.btn-warning{background-color:var(--warning-color);color:#fff}.btn-error{background-color:var(--error-color);color:#fff}.btn-small{padding:8px 16px;font-size:var(--text-sm)}.btn-large{padding:16px 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var(--separator);display:flex;flex-direction:column;position:fixed;height:100vh;left:0;top:0;z-index:1000;transition:all var(--transition-normal);transform:translate(0)}.admin-sidebar.collapsed{width:80px}.admin-sidebar-header{padding:var(--spacing-6);border-bottom:1px solid var(--separator);display:flex;align-items:center;justify-content:space-between;min-height:80px}.admin-sidebar-logo{font-size:var(--text-xl);font-weight:var(--font-weight-bold);color:var(--primary-color)}.admin-sidebar.collapsed .admin-sidebar-logo{display:none}.admin-sidebar-toggle{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-2);border-radius:var(--radius-md);transition:all var(--transition-fast);font-size:1.2rem}.admin-sidebar-toggle:hover{background-color:var(--background-secondary);color:var(--text-primary)}.admin-sidebar-nav{flex:1;padding:var(--spacing-4);display:flex;flex-direction:column}.admin-nav-link{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-lg);transition:all var(--transition-normal);margin-bottom:var(--spacing-1);font-size:var(--text-lg);font-weight:var(--font-weight-medium);cursor:pointer;background:none;border:none;width:100%;text-align:left;min-height:48px}.admin-nav-link:hover{background-color:var(--background-secondary);color:var(--text-primary)}.admin-nav-link.active{background-color:var(--primary-color);color:#fff}.admin-sidebar.collapsed .admin-nav-link{justify-content:center;gap:0}.admin-sidebar.collapsed .admin-nav-link span:not(.admin-nav-icon){display:none}.admin-nav-icon{font-size:1.2rem;min-width:20px;text-align:center}.admin-main{flex:1;margin-left:280px;transition:margin-left var(--transition-normal);display:flex;flex-direction:column;min-height:100vh}.admin-main.sidebar-collapsed{margin-left:80px}.admin-header{background-color:var(--surface-color);border-bottom:1px solid var(--separator);padding:var(--spacing-4) var(--spacing-6);display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm);min-height:80px}.admin-header-left{display:flex;align-items:center;gap:var(--spacing-4)}.admin-mobile-toggle{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:var(--spacing-2);border-radius:var(--radius-md);transition:all var(--transition-fast);font-size:1.2rem;display:none}.admin-mobile-toggle:hover{background-color:var(--background-secondary);color:var(--text-primary)}.admin-header-title{font-size:var(--text-2xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin:0}.admin-header-actions{display:flex;align-items:center;gap:var(--spacing-4)}.admin-content{flex:1;padding:var(--spacing-6);background-color:var(--background-secondary)}.admin-sidebar-overlay{position:fixed;inset:0;background-color:var(--overlay-color);z-index:999;opacity:0;visibility:hidden;transition:all var(--transition-fast)}.admin-sidebar-overlay.show{opacity:1;visibility:visible}@media (max-width: 768px){.admin-sidebar{transform:translate(-100%)}.admin-sidebar.mobile-open{transform:translate(0)}.admin-main,.admin-main.sidebar-collapsed{margin-left:0}.admin-mobile-toggle{display:block}}.nav{background-color:var(--surface-color);border-bottom:1px solid 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var(--separator);box-shadow:var(--shadow-card)}.contact-hero-content{text-align:center;max-width:600px;margin:0 auto}.contact-hero-title{font-size:var(--text-4xl);font-weight:var(--font-weight-bold);color:var(--text-primary);margin:0 0 var(--spacing-4) 0}.contact-hero-subtitle{font-size:var(--text-lg);color:var(--text-secondary);line-height:var(--line-height-relaxed);margin:0}.contact-form-section{padding:var(--spacing-16) 0}.contact-content{display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-12);max-width:1000px;margin:0 auto}.contact-info{background:var(--background-primary);padding:var(--spacing-8);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);height:fit-content}.contact-details{display:flex;flex-direction:column;gap:var(--spacing-6)}.contact-detail h3{font-size:var(--text-md);font-weight:var(--font-weight-medium);color:var(--text-primary);margin:0 0 var(--spacing-2) 0}.contact-detail p{color:var(--text-secondary);margin:0;line-height:var(--line-height-relaxed)}.contact-form-container{background:var(--background-primary);padding:var(--spacing-8);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}.contact-form{display:flex;flex-direction:column;gap:var(--spacing-6)}.form-title{font-size:var(--text-xl);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0 0 var(--spacing-4) 0}.form-group{display:flex;flex-direction:column;gap:var(--spacing-2)}.form-label{font-size:var(--text-sm);font-weight:var(--font-weight-medium);color:var(--text-primary)}.form-input,.form-select,.form-textarea{padding:var(--spacing-3);border:1px solid var(--separator);border-radius:var(--radius-md);font-size:var(--text-md);color:var(--text-primary);background:var(--background-primary);transition:border-color .2s ease,box-shadow .2s ease}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #007aff1a}.form-textarea{resize:vertical;min-height:120px;font-family:inherit}.form-submit{background:var(--primary-color);color:var(--background-primary);border:none;padding:var(--spacing-4) var(--spacing-6);border-radius:var(--radius-md);font-size:var(--text-md);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color .2s ease;align-self:flex-start}.form-submit:hover:not(:disabled){background:var(--primary-dark)}.form-submit:disabled{opacity:.6;cursor:not-allowed}.form-submit.submitting{background:var(--primary-color)}.form-message{padding:var(--spacing-3);border-radius:var(--radius-md);font-size:var(--text-sm);margin-bottom:var(--spacing-4)}.form-message.success{background:#34c7591a;color:#34c759;border:1px solid rgba(52,199,89,.2)}.form-message.error{background:#ff3b301a;color:#ff3b30;border:1px solid rgba(255,59,48,.2)}@media (max-width: 768px){.contact-content{grid-template-columns:1fr;gap:var(--spacing-8)}.contact-hero-title{font-size:var(--text-3xl)}.footer-content{grid-template-columns:1fr;gap:var(--spacing-6)}}.site-wrapper{display:flex;flex-direction:column;min-height:100vh;background-color:var(--background-primary)}.main-content{flex:1;background-color:var(--background-primary)}.footer{background:var(--background-primary);border-top:1px solid var(--separator);padding:var(--spacing-12) 0 var(--spacing-4) 0}.footer-content{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-8);margin-bottom:var(--spacing-8)}.footer-section{display:flex;flex-direction:column;gap:var(--spacing-4)}.footer-title{font-size:var(--text-xl);font-weight:var(--font-weight-semibold);color:var(--text-primary);margin:0;margin-bottom:var(--spacing-2)}.footer-description{color:var(--text-secondary);line-height:1.5;margin:0}.footer-heading{font-size:var(--text-lg);font-weight:var(--font-weight-medium);color:var(--text-primary);margin:0 0 var(--spacing-3) 0}.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--spacing-2)}.footer-link{color:var(--text-secondary);text-decoration:none;transition:color .2s ease}.footer-link:hover{color:var(--primary-color)}.footer-contact p{margin:0 0 var(--spacing-2) 0;color:var(--text-secondary)}.footer-bottom{border-top:1px solid var(--separator);padding-top:var(--spacing-6);text-align:center}.footer-bottom 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