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

/* Custom Scrollbar */
::-webkit-scrollbar{ width:8px; background:transparent; }
::-webkit-scrollbar-track{ background:#0a1929; }
::-webkit-scrollbar-thumb{ background:linear-gradient(180deg, rgba(25,118,210,0.5), rgba(21,101,192,0.6)); border-radius:8px; }
::-webkit-scrollbar-thumb:hover{ background:linear-gradient(180deg, rgba(25,118,210,0.7), rgba(21,101,192,0.8)); }
html{ scrollbar-width:thin; scrollbar-color:rgba(25,118,210,0.5) #0a1929; }

:root {
    --primary-color: #0a1929;
    --primary-dark: #050e16;
    --secondary-color: #132f4c;
    --accent-color: #1976d2;
    --accent-hover: #1565c0;
    --success-color: #2e7d32;
    --warning-color: #ed6c02;
    --error-color: #d32f2f;
    --bg-color: #0a1929;
    --text-color: #e3f2fd;
    --text-light: #90caf9;
    --border-color: #1e3a52;
    --white: #ffffff;
    --glass-bg: rgba(10, 25, 41, 0.92);
    --glass-border: rgba(25, 118, 210, 0.2);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

html, body {
    height: 100%;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #0a1929 0%, #001a33 50%, #0a1929 100%);
    min-height: 100vh;
    background-attachment: fixed;
}

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

/* Header Styles */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo h1 {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--text-color);
    letter-spacing: -0.2px;
    margin: 0;
}

.header-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.header-nav a {
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem;
    border-radius: 0.5rem;
}

/* Main Content */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Footer Styles */
.site-footer{ background:rgba(10,25,41,0.95); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px); border-top:1px solid rgba(25,118,210,0.15); color:var(--text-color); margin-top:60px; padding:50px 0 30px; box-shadow:0 -4px 20px rgba(0,0,0,0.2); }
.footer-grid{ display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer-col{ }
.footer-heading{ font-size:16px; font-weight:700; color:#e3f2fd; margin-bottom:18px; letter-spacing:0.5px; }
.footer-text{ font-size:14px; color:#90caf9; line-height:1.7; opacity:0.9; max-width:280px; }
.footer-links{ list-style:none; padding:0; margin:0; }
.footer-links li{ margin-bottom:12px; }
.footer-links a{ color:#90caf9; font-size:14px; font-weight:400; transition:color 0.2s ease; }
.footer-links a:hover{ color:#e3f2fd; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:30px; border-top:1px solid rgba(25,118,210,0.12); }
.footer-copyright{ font-size:14px; color:#90caf9; opacity:0.8; }
.footer-social{ display:flex; gap:20px; }
.social-link{ color:#90caf9; font-size:14px; font-weight:500; transition:color 0.2s ease; }
.social-link:hover{ color:#e3f2fd; }

/* Buttons */
.btn-submit, .btn-next, .btn-back, .btn-process, .btn-home, .btn-print {
    padding: 1.1rem 2rem;
    border: none;
    border-radius: 0.85rem;
    font-size: 1.05rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    width: 100%;
    letter-spacing: 0.3px;
}

.btn-submit, .btn-next, .btn-process, .btn-home {
    background: linear-gradient(135deg, #1976d2 0%, #1565c0 100%);
    color: var(--white);
    border: none;
    transition: all 0.3s ease;
}

.btn-submit:hover, .btn-next:hover, .btn-process:hover, .btn-home:hover {
    background: linear-gradient(135deg, #1e88e5 0%, #1976d2 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(25, 118, 210, 0.4);
}

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    font-size: 1rem;
    font-family: inherit;
    background: rgba(0, 31, 63, 0.6);
    color: var(--text-color);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.2), 0 4px 12px rgba(25, 118, 210, 0.15);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Glass Overlay */
.glass-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(224, 231, 255, 0.1) 0%, rgba(209, 215, 220, 0.1) 100%);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: -1;
}

/* Utilities */
.text-center {
    text-align: center;
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* Responsive Footer */
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    .footer-social { justify-content: center; }
}