/* ========== GLOBAL RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3a5f;
    --primary-dark: #0f2440;
    --primary-light: #2d5a8e;
    --primary-lighter: #d4e0f0;
    --primary-glow: rgba(30, 58, 95, 0.15);
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --accent-dark: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.25);
    --bg: #eef2f7;
    --bg-alt: #e2e8f0;
    --surface: #ffffff;
    --surface-hover: #f8fafc;
    --text: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border: #d4dce8;
    --border-light: #e9edf2;
    --success: #10b981;
    --success-bg: #d1fae5;
    --danger: #ef4444;
    --danger-bg: #fce4ec;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-md: 0 10px 15px rgba(0,0,0,0.06), 0 4px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.08), 0 8px 16px rgba(0,0,0,0.04);
    --shadow-xl: 0 30px 60px rgba(0,0,0,0.1);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: linear-gradient(160deg, #eef2f7 0%, #e2e8f0 30%, #d4dce8 100%);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.125rem; }

p { color: var(--text-secondary); }

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

/* ========== LAYOUT ========== */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.page-main {
    flex: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--font);
    text-decoration: none;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 12px var(--primary-glow);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    box-shadow: 0 6px 20px var(--primary-glow);
    transform: translateY(-2px);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 0 4px 14px var(--accent-glow);
}
.btn-accent:hover {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff;
    box-shadow: 0 6px 24px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-ghost {
    background: rgba(255,255,255,0.8);
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
    backdrop-filter: blur(4px);
}
.btn-ghost:hover {
    background: #fff;
    border-color: var(--text-muted);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, var(--danger));
    color: #fff;
    box-shadow: 0 4px 12px rgba(239,68,68,0.25);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #b91c1c, #dc2626);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(239,68,68,0.35);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: 6px;
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn-block {
    width: 100%;
}

/* ========== CARDS ========== */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition-slow);
}
.card:hover {
    box-shadow: var(--shadow-lg);
}

/* ========== FORM ELEMENTS ========== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font);
    background: #fcfcfd;
    color: var(--text);
    transition: all var(--transition);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--text-muted);
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    background: #fff;
    box-shadow: 0 0 0 4px var(--primary-glow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

/* ========== TABLE ========== */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

table th {
    padding: 0.8rem 1rem;
    text-align: left;
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted);
    background: linear-gradient(180deg, #f8fafc, #f1f5f9);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

table tr:last-child td {
    border-bottom: none;
}

table tbody tr {
    transition: background var(--transition);
}

table tbody tr:hover td {
    background: #f1f5f9;
}

table tbody tr:nth-child(even) td {
    background: #fafbfc;
}

table tbody tr:nth-child(even):hover td {
    background: #eef2f7;
}

/* ========== UTILITY ========== */
.fade-in {
    animation: fadeIn 0.5s ease both;
}

.slide-up {
    animation: slideUp 0.4s ease both;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

/* ========== SHARED: NAVBAR ========== */
.navbar {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 2rem;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid rgba(212,220,232,0.5);
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.nav-logo-icon {
    font-size: 1.3rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--text);
    background: var(--surface-hover);
}

.nav-link.active {
    color: var(--primary);
    background: var(--primary-lighter);
}

.nav-link.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    margin-left: 0.5rem;
    box-shadow: 0 3px 10px var(--primary-glow);
}

.nav-link.nav-cta:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 5px 16px var(--primary-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

.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(5px, -5px);
}

/* ========== SHARED: FOOTER ========== */
.footer {
    background: linear-gradient(180deg, var(--primary-dark) 0%, #0a1a2e 100%);
    color: rgba(255,255,255,0.6);
    padding: 3.5rem 2rem 0;
    border-top: 3px solid var(--accent);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 2rem;
}

.footer h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.footer p {
    color: rgba(255,255,255,0.45);
    font-size: 0.85rem;
    line-height: 1.65;
}

.footer a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.85rem;
    transition: all var(--transition);
}

.footer a:hover {
    color: var(--accent-light);
    transform: translateX(3px);
}

.footer-bar {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 1.25rem 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}

/* ========== SHARED: FADE-UP ANIMATION ========== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== RESPONSIVE: NAV + FOOTER ========== */
@media (max-width: 968px) {
    .footer-inner {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer a {
        display: inline-block;
        margin: 0.25rem 0.5rem;
    }
    .footer a:hover {
        transform: translateY(-2px) !important;
    }
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    .page-main {
        padding: 1rem;
    }
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    .card {
        padding: 1.25rem;
    }
}

@media (max-width: 640px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }
    .nav-links.open {
        display: flex;
    }
    .nav-link.nav-cta {
        margin-left: 0;
        text-align: center;
    }
    .nav-toggle {
        display: flex;
    }
}