/* Phase 2 Global Variables */
:root {
    --bg-silver: #e2e8f0; /* Bright Silver Dominance */
    --card-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --brand-red: #d11f46;
    --border-color: #cbd5e1;
    --transition: all 0.3s ease;
}

/* Dark Mode Overrides */
[data-theme="dark"] {
    --bg-silver: #0f172a;
    --card-bg: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

body {
    background-color: var(--bg-silver);
    color: var(--text-main);
    transition: var(--transition);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
}

/* eCitizen Style Card Grid */
.card-layout-container {
    padding: 60px 5vw;
    max-width: 1400px;
    margin: 0 auto;
}

.ecitizen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 35px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

.info-card h2, .info-card h3 {
    color: var(--text-main);
    margin-top: 0;
}

/* Dark Mode Toggle & Back to Top */
.floating-controls {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}

.float-btn {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.float-btn:hover {
    background: var(--brand-red);
    color: #fff;
    border-color: var(--brand-red);
}

#backToTop {
    opacity: 0;
    pointer-events: none;
}

#backToTop.visible {
    opacity: 1;
    pointer-events: auto;
}
/* --- PHASE 2 HEADER & NAVIGATION FIXES --- */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5vw;
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

/* Force Logo Constraint */
.site-logo img {
    max-height: 60px; /* Adjust this if you want it slightly bigger/smaller */
    width: auto;
    display: block;
}

/* Professional Navigation Alignment */
.site-nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.site-nav a {
    text-decoration: none;
    color: var(--text-main);
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.site-nav a:hover, .site-nav a.active {
    color: var(--brand-red);
}

.site-nav a.nav-btn {
    background: var(--brand-red);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 4px;
}

.site-nav a.nav-btn:hover {
    background: #a31735;
    color: #ffffff;
}

/* Mobile Toggle Hiding on Desktop */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-main);
    cursor: pointer;
}

@media (max-width: 900px) {
    .mobile-toggle { display: block; }
    .site-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--card-bg);
        flex-direction: column;
        padding: 20px 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }
    .site-nav.active { display: flex; }
}