:root {
  --primary: #050d1a;
  --primary-light: #0b1c36;
  --accent: #00d2ff;
  --accent-light: #3a86ff;
  --accent-glow: rgba(0, 210, 255, 0.2);
  --cyan: #0df;
  --dark: #020617;
  --gray-900: #0f172a;
  --gray-800: #1e293b;
  --gray-600: #475569;
  --gray-500: #64748b;
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --gray-200: #e2e8f0;
  --gray-100: #f8fafc;
  --gray-50: #f1f5f9;
  --white: #ffffff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 40px -10px rgba(0,0,0,0.12);
  --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--gray-500); line-height: 1.7; background: var(--white); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { color: #0f172a; line-height: 1.3; font-weight: 700; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.92); backdrop-filter: blur(20px) saturate(180%); border-bottom: 1px solid rgba(0,0,0,0.06); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: 16px; }
.logo img { height: 44px; }
.logo-tagline { font-size: 13px; font-weight: 600; color: #0f172a; letter-spacing: 0.3px; line-height: 1.3; }
.logo-tagline span { display: block; font-size: 11px; font-weight: 400; color: var(--gray-500); margin-top: 2px; letter-spacing: 0.5px; }
.logo-text { font-size: 17px; font-weight: 700; color: #0f172a; line-height: 1.2; }
.logo-text small { display: block; font-size: 11px; font-weight: 400; color: var(--gray-500); margin-top: 2px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 18px; border-radius: 8px; font-size: 14.5px; font-weight: 500; color: var(--gray-500); }
.nav a:hover, .nav a.active { color: var(--accent); background: var(--accent-glow); }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; }
.mobile-toggle:hover { background: #f1f5f9; }
.mobile-toggle span { display: block; width: 22px; height: 2px; background: var(--gray-700); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero { padding: 180px 0 140px; background: #020617; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 10% 90%, rgba(0, 210, 255, 0.1) 0%, transparent 40%), radial-gradient(circle at 90% 10%, rgba(58, 134, 255, 0.1) 0%, transparent 40%), url('data:image/svg+xml,%3Csvg width=\x2240\x22 height=\x2240\x22 viewBox=\x220 0 40 40\x22 xmlns=\x22http://www.w3.org/2000/svg\x22%3E%3Cpath d=\x22M0 0h40v40H0V0zm20 20h20v20H20V20zM0 20h20v20H0V20z\x22 fill=\x22%230f172a\x22 fill-opacity=\x220.4\x22 fill-rule=\x22evenodd\x22/%3E%3C/svg%3E'); }
.hero::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 100px; background: var(--white); clip-path: ellipse(150% 100% at 50% 100%); background: var(--white); height: 80px; z-index: 1;}
.hero-grid { position: absolute; inset: 0; opacity: 0.05; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E"); background-size: 150px 150px; background-position: center; background-repeat: repeat; animation: floatShields 30s linear infinite; }
@keyframes floatShields { 0% { background-position: 0px 0px; } 100% { background-position: 160px 160px; } }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(60px); animation: float 8s ease-in-out infinite; }
.hero-orb-1 { width: 300px; height: 300px; background: rgba(6,182,212,0.12); top: 10%; left: -5%; }
.hero-orb-2 { width: 200px; height: 200px; background: rgba(37,99,235,0.15); bottom: 20%; right: 5%; animation-delay: -3s; }
.hero-orb-3 { width: 150px; height: 150px; background: rgba(59,130,246,0.1); top: 40%; right: 20%; animation-delay: -5s; }
@keyframes float { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(-20px) scale(1.05); } }
.hero-content { position: relative; z-index: 2; text-align: center; color: var(--white); max-width: 800px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 24px; border-radius: 50px; background: rgba(255,255,255,0.08); font-size: 13px; font-weight: 500; border: 1px solid rgba(0, 210, 255, 0.4); backdrop-filter: blur(10px); margin-bottom: 28px; color: rgba(255,255,255,0.9); box-shadow: 0 0 20px rgba(0, 210, 255, 0.3); }
.hero h1 { font-size: 52px; font-weight: 800; margin-bottom: 24px; letter-spacing: -1px; line-height: 1.15; background: linear-gradient(to right, #ffffff 30%, #a5f3fc 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 18px; opacity: 0.8; max-width: 650px; margin: 0 auto 44px; line-height: 1.8; font-weight: 300; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; border: none; transition: var(--transition); letter-spacing: 0.3px; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-light)); color: var(--white); box-shadow: 0 4px 15px rgba(0, 210, 255, 0.4); border: 1px solid rgba(255,255,255,0.2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0, 210, 255, 0.6); }
.btn-outline { background: rgba(255,255,255,0.06); color: var(--white); border: 1.5px solid rgba(255,255,255,0.25); backdrop-filter: blur(10px); }
.btn-outline:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.5); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 13.5px; border-radius: 8px; }
.btn-danger { background: var(--danger); color: var(--white); }
.btn-danger:hover { background: #dc2626; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--gray-500); border: 1.5px solid var(--gray-200); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* Stats */
.stats-bar { padding: 0; margin-top: -50px; position: relative; z-index: 3; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--white); border-radius: var(--radius-xl); box-shadow: var(--shadow-xl), 0 0 30px rgba(6, 182, 212, 0.2); border: 1px solid rgba(0, 210, 255, 0.4); overflow: hidden; }
.stat-item { text-align: center; padding: 36px 24px; position: relative; transition: var(--transition); }
.stat-item:not(:last-child)::after { content: ''; position: absolute; right: 0; top: 20%; height: 60%; width: 1px; background: rgba(0, 210, 255, 0.25); }
.stat-item:hover { background: rgba(0, 210, 255, 0.05); }
.stat-number { font-size: 44px; font-weight: 800; line-height: 1; background: linear-gradient(135deg, #00d2ff, #3a86ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-number span { font-size: 22px; font-weight: 600; }
.stat-label { font-size: 14px; color: var(--gray-500); margin-top: 10px; font-weight: 500; }

/* Sections */
.section { padding: 100px 0; }
.section-gray { background: #f8fafc; }
.section-header { text-align: center; margin-bottom: 60px; position: relative; }
.section-header::after { content: ''; position: absolute; bottom: -20px; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: linear-gradient(90deg, var(--accent), var(--cyan)); border-radius: 2px; }
.section-header .overline { display: inline-block; font-size: 13px; font-weight: 700; color: var(--cyan); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 16px; }
.section-header h2 { font-size: 38px; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.section-header p { font-size: 16px; color: var(--gray-500); max-width: 560px; margin: 0 auto; }

/* Services */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card { background: var(--white); padding: 36px 28px; border-radius: var(--radius-md); box-shadow: var(--shadow); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: 1px solid var(--gray-200); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, #00d2ff, #3a86ff); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease; }
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--shadow-lg), 0 0 30px rgba(0, 210, 255, 0.1); border-color: rgba(0, 210, 255, 0.4); }
.service-icon { width: 56px; height: 56px; border-radius: 14px; background: linear-gradient(135deg, var(--accent-glow), rgba(6,182,212,0.1)); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; font-size: 26px; transition: var(--transition); border: 1px solid rgba(0, 210, 255, 0.3); }
.service-card:hover .service-icon { background: linear-gradient(135deg, var(--accent), var(--accent-light)); transform: scale(1.05); color: white; box-shadow: 0 0 15px var(--accent); }
.service-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* Cases */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: var(--white); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); border: 1px solid var(--gray-200); position: relative; }
.case-card:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 210, 255, 0.3); }
.case-image { height: 180px; position: relative; overflow: hidden; background: #f8fafc; display: flex; align-items: center; justify-content: center; }
.case-image img { width: 100%; height: 100%; object-fit: contain; padding: 20px; transition: transform 0.5s ease; }
.case-card:hover .case-image img { transform: scale(1.05); }
.case-image-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 48px; opacity: 0.3; }
.case-category { position: absolute; top: 14px; left: 14px; padding: 5px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; background: rgba(255,255,255,0.95); color: var(--accent); backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.case-body { padding: 24px; }
.case-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.case-body p { font-size: 14px; color: var(--gray-500); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* Qualifications */
.quals-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.qual-card { background: var(--white); padding: 24px; border-radius: var(--radius-md); box-shadow: var(--shadow); border: 1px solid var(--gray-200); display: flex; flex-direction: column; gap: 16px; align-items: center; text-align: center; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); position: relative; overflow: hidden; }
.qual-card:hover { border-color: rgba(0, 210, 255, 0.4); box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0, 210, 255, 0.3); transform: translateY(-4px) scale(1.01); transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.qual-icon { width: 100%; height: 160px; border-radius: 12px; flex-shrink: 0; background: #f8fafc; display: flex; align-items: center; justify-content: center; font-size: 40px; overflow: hidden; }
.qual-icon img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.qual-info h3 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.qual-info p { font-size: 13px; color: var(--gray-500); }
.qual-info .year { display: inline-block; margin-top: 8px; padding: 3px 10px; border-radius: 6px; background: #f8fafc; font-size: 12px; color: var(--gray-500); font-weight: 600; border: 1px solid var(--gray-200); }

/* Page Hero */
.page-hero { padding: 160px 0 80px; background: #020617; border-bottom: 1px solid var(--gray-800); text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 100%, rgba(0, 210, 255, 0.1) 0%, transparent 50%), url('data:image/svg+xml,%3Csvg width=\x2240\x22 height=\x2240\x22 viewBox=\x220 0 40 40\x22 xmlns=\x22http://www.w3.org/2000/svg\x22%3E%3Cpath d=\x22M0 0h40v40H0V0zm20 20h20v20H20V20zM0 20h20v20H0V20z\x22 fill=\x22%230f172a\x22 fill-opacity=\x220.4\x22 fill-rule=\x22evenodd\x22/%3E%3C/svg%3E'); }
.page-hero .hero-grid { opacity: 0.03; }
.page-hero h1 { font-size: 42px; font-weight: 800; margin-bottom: 14px; position: relative; color: var(--white); }
.page-hero p { font-size: 16px; position: relative; font-weight: 300; color: rgba(255,255,255,0.8); }

/* About */
.about-content { padding: 70px 0; }
.about-content h2 { font-size: 28px; font-weight: 700; margin-bottom: 20px; }
.about-content h3 { font-size: 22px; font-weight: 700; margin: 36px 0 16px; }
.about-content p { margin-bottom: 18px; font-size: 16px; line-height: 1.9; }

/* Contact */
.contact-grid { display: flex; justify-content: center; padding: 40px 0 80px; }
.contact-info-card { width: 100%; max-width: 800px; background: var(--white); padding: 50px 60px; border-radius: var(--radius-lg); color: var(--gray-800); position: relative; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--gray-200); text-align: center; }
.contact-info-card p { font-size: 16px !important; margin-bottom: 12px !important; }
.contact-info-card strong { font-size: 20px !important; color: var(--cyan) !important; }
.contact-info-card::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z'/%3E%3C/svg%3E"); background-size: 150px 150px; background-position: center; opacity: 0.02; background-repeat: no-repeat; }
.contact-info-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #00d2ff, #3a86ff); }
.contact-info-card h2 { color: #0f172a; font-size: 28px; margin-bottom: 30px; position: relative; display: inline-block; padding-bottom: 15px; }
.contact-info-card h2::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 60px; height: 3px; background: var(--cyan); border-radius: 2px; }
.contact-info-card p { color: var(--gray-500); position: relative; font-size: 16px; line-height: 2; margin-bottom: 15px; }
.contact-info-card strong { color: #0f172a; font-size: 18px; margin-right: 8px; }
.contact-items-wrapper { display: flex; flex-direction: column; gap: 20px; align-items: center; margin-top: 40px; }
.contact-item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; position: relative; width: 100%; max-width: 300px; padding: 25px; background: #f8fafc; border-radius: 20px; border: 1px solid rgba(0, 210, 255, 0.1); box-shadow: var(--shadow); transition: var(--transition); }
.contact-item:hover { transform: translateY(-5px); background: var(--white); border-color: var(--accent); box-shadow: var(--shadow-md); }
.contact-item-icon { width: 56px; height: 56px; border-radius: 50%; flex-shrink: 0; background: linear-gradient(135deg, rgba(0, 210, 255, 0.1), rgba(58, 134, 255, 0.1)); display: flex; align-items: center; justify-content: center; font-size: 24px; border: 1px solid rgba(0, 210, 255, 0.4); color: var(--cyan); }
.contact-item h4 { font-size: 16px; font-weight: 600; color: #0f172a; margin-bottom: 4px; letter-spacing: 1px; }
.contact-item p { font-size: 15px; color: var(--gray-500); margin-bottom: 0; }
.contact-form { background: var(--white); padding: 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border: 1px solid var(--gray-200); }
.contact-form h2 { font-size: 24px; margin-bottom: 28px; }
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: #334155; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 13px 16px; border: 1.5px solid var(--gray-200); border-radius: var(--radius); font-size: 15px; transition: var(--transition); font-family: inherit; background: #f8fafc; }
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); background: var(--white); box-shadow: 0 0 0 4px var(--accent-glow); }
.form-group textarea { min-height: 130px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* CTA */
.cta-section { padding: 80px 0; background: #020617; border-top: 1px solid var(--gray-800); color: var(--white); text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 80% 50%, rgba(0, 210, 255, 0.1) 0%, transparent 60%), url('data:image/svg+xml,%3Csvg width=\x2240\x22 height=\x2240\x22 viewBox=\x220 0 40 40\x22 xmlns=\x22http://www.w3.org/2000/svg\x22%3E%3Cpath d=\x22M0 0h40v40H0V0zm20 20h20v20H20V20zM0 20h20v20H0V20z\x22 fill=\x22%230f172a\x22 fill-opacity=\x220.4\x22 fill-rule=\x22evenodd\x22/%3E%3C/svg%3E'); }
.cta-section h2 { font-size: 34px; font-weight: 800; margin-bottom: 16px; position: relative; }
.cta-section p { font-size: 16px; opacity: 0.8; margin-bottom: 32px; position: relative; }
.cta-section .btn { position: relative; }

/* Footer */
.footer { background: var(--dark); color: var(--gray-400); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 50px; }
.footer h3 { color: var(--white); font-size: 15px; margin-bottom: 20px; font-weight: 700; }
.footer p { font-size: 14px; color: var(--gray-500); line-height: 1.8; }
.footer a { font-size: 14px; color: var(--gray-500); display: inline-block; padding: 3px 0; }
.footer a:hover { color: var(--accent-light); transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; text-align: center; font-size: 13px; color: var(--gray-500); }

/* Flash */
.flash { padding: 14px 20px; border-radius: var(--radius); margin-bottom: 20px; font-size: 14px; font-weight: 500; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Responsive */
@media (max-width: 1024px) {
  .services-grid, .cases-grid, .quals-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .hero h1 { font-size: 42px; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .mobile-toggle { display: block; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 76px; left: 0; right: 0; background: var(--white); padding: 16px 24px; box-shadow: var(--shadow-lg); border-top: 1px solid var(--gray-100); }
  .hero { padding: 140px 0 120px; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(2)::after { display: none; }
  .services-grid, .cases-grid, .quals-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 30px; }
  .section { padding: 70px 0; }
}

/* Admin */
.admin-body { background: #f0f2f5; min-height: 100vh; }
.admin-header { background: var(--white); padding: 0 28px; height: 64px; display: flex; align-items: center; justify-content: space-between; box-shadow: 0 1px 3px rgba(0,0,0,0.06); position: fixed; top: 0; left: 0; right: 0; z-index: 100; border-bottom: 1px solid var(--gray-200); }
.admin-header h1 { font-size: 17px; font-weight: 700; color: #0f172a; }
.admin-header a { font-size: 13.5px; color: var(--gray-500); font-weight: 500; padding: 6px 14px; border-radius: 6px; }
.admin-header a:hover { background: #f8fafc; color: var(--accent); }
.admin-layout { display: flex; min-height: 100vh; padding-top: 64px; }
.admin-sidebar { width: 260px; background: var(--white); padding: 20px 0; border-right: 1px solid var(--gray-100); position: fixed; top: 64px; bottom: 0; overflow-y: auto; }
.admin-sidebar a { display: flex; align-items: center; gap: 12px; padding: 12px 24px; font-size: 14px; color: var(--gray-500); transition: var(--transition); font-weight: 500; margin: 2px 12px; border-radius: 8px; }
.admin-sidebar a:hover { background: #f8fafc; color: var(--accent); }
.admin-sidebar a.active { background: var(--accent-glow); color: var(--accent); font-weight: 600; }
.admin-sidebar .badge { margin-left: auto; background: var(--danger); color: var(--white); padding: 2px 8px; border-radius: 50px; font-size: 11px; font-weight: 700; }
.admin-sidebar hr { margin: 12px 24px; border-color: #e2e8f0; }
.admin-main { flex: 1; margin-left: 260px; padding: 28px; max-width: 1200px; }
.admin-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 28px; margin-bottom: 24px; border: 1px solid var(--gray-200); }
.admin-card h2 { font-size: 20px; font-weight: 700; color: #0f172a; margin-bottom: 24px; }
.admin-card h3 { font-size: 15px; font-weight: 600; color: #334155; margin: 20px 0 12px; }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 24px; }
.stat-card { background: var(--white); padding: 24px; border-radius: var(--radius-md); box-shadow: var(--shadow); border: 1px solid var(--gray-200); }
.stat-card .number { font-size: 32px; font-weight: 800; background: linear-gradient(135deg, #00d2ff, #3a86ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-card .label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--gray-500); border-bottom: 2px solid var(--gray-200); }
.admin-table td { padding: 12px 16px; font-size: 14px; border-bottom: 1px solid var(--gray-200); }
.admin-table tr:hover { background: #f8fafc; }
.admin-actions { display: flex; gap: 8px; }
.admin-actions form { display: inline; }
.login-box { max-width: 420px; margin: 100px auto; background: var(--white); padding: 48px 40px; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); text-align: center; border: 1px solid var(--gray-200); }
.login-box h1 { font-size: 24px; font-weight: 800; color: #0f172a; margin-bottom: 8px; }
.login-box p { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; }
.login-box input { width: 100%; padding: 14px 16px; border: 1.5px solid var(--gray-200); border-radius: var(--radius); font-size: 15px; margin-bottom: 16px; background: #f8fafc; transition: var(--transition); }
.login-box input:focus { outline: none; border-color: var(--accent); background: var(--white); box-shadow: 0 0 0 4px var(--accent-glow); }
.login-box button { width: 100%; }

/* About Layout - Left Text Right Image */
.about-layout { display: block; max-width: 900px; margin: 0 auto; }
.about-text h2 { font-size: 28px; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 16px; }
.about-text h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 50px; height: 3px; background: linear-gradient(90deg, #00d2ff, #3a86ff); border-radius: 2px; }
.about-text h3 { font-size: 20px; font-weight: 700; margin: 32px 0 14px; color: #0f172a; }
.about-text p { margin-bottom: 16px; font-size: 15.5px; line-height: 1.9; color: var(--gray-500); }
.about-image { position: sticky; top: 100px; }
.about-img-main { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); margin-bottom: 20px; }
.about-img-placeholder { height: 320px; background: #020617; display: flex; flex-direction: column; align-items: center; justify-content: center; position: relative; overflow: hidden; }
.about-img-placeholder::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 50% 80%, rgba(0, 210, 255, 0.2) 0%, transparent 60%); }
.about-img-placeholder::after { content: ''; position: absolute; inset: 0; opacity: 0.04; background-image: linear-gradient(rgba(255,255,255,0.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.3) 1px, transparent 1px); background-size: 40px 40px; }
.about-img-icon { font-size: 64px; position: relative; z-index: 1; margin-bottom: 12px; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3)); }
.about-img-text { font-size: 18px; font-weight: 600; color: rgba(255,255,255,0.9); position: relative; z-index: 1; letter-spacing: 1px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.about-stat-item { background: var(--white); padding: 20px 12px; border-radius: var(--radius-md); text-align: center; box-shadow: var(--shadow); border: 1px solid var(--gray-200); transition: var(--transition); }
.about-stat-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent-glow); }
.about-stat-num { font-size: 24px; font-weight: 800; background: linear-gradient(135deg, #00d2ff, #3a86ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.about-stat-label { font-size: 12px; color: var(--gray-500); margin-top: 4px; font-weight: 500; }

@media (max-width: 900px) {
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-image { position: static; }
}