:root {
    --white: #FFFFFF;
    --navy: #003256;
    --gold: #7F7141;
    --dark: #1B1B1B;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--white);
    color: var(--dark);
}

header {
    background: var(--navy);
    color: var(--white);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .logo {
    height: 50px;
    max-width: 180px;
    object-fit: contain;
}

header h1 {
    margin: 0;
    font-size: 1.4rem;
}

nav a {
    color: var(--white);
    text-decoration: none;
    margin-left: 1.2rem;
    font-weight: 500;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.card {
    background: var(--white);
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.btn {
    display: inline-block;
    padding: 0.65rem 1.2rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
}

.btn-navy { background: var(--navy); color: var(--white); }
.btn-gold { background: var(--gold); color: var(--white); }
.btn-dark { background: var(--dark); color: var(--white); }
.btn-danger { background: #a94442; color: var(--white); }

.btn:hover { opacity: 0.9; }

form label {
    display: block;
    margin: 0.8rem 0 0.3rem;
    font-weight: 500;
}

form input, form select, form textarea {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.95rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

table th, table td {
    padding: 0.75rem;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

table th { background: var(--navy); color: var(--white); }

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-info { background: #e7f3fe; color: var(--navy); border-left: 4px solid var(--navy); }
.alert-warning { background: #fff3cd; color: #856404; border-left: 4px solid var(--gold); }
.alert-danger { background: #f8d7da; color: #721c24; border-left: 4px solid #a94442; }

footer.main {
    background: var(--gold);
    color: var(--white);
    padding: 1.5rem 2rem;
    text-align: center;
}

footer.sub {
    background: var(--dark);
    color: var(--white);
    padding: 0.8rem 2rem;
    text-align: center;
    font-size: 0.85rem;
}

/* FDIC-style corporate homepage */
.header-gold-line {
    height: 5px;
    background: var(--gold);
}

.main-nav a {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    margin-left: 2.5rem;
    margin-right: 0;
}

.header-search {
    color: var(--white);
    cursor: pointer;
    margin-left: 2rem;
}

.home-main {
    max-width: 1200px;
    margin: 2.5rem auto;
    padding: 0 1.5rem;
}

.home-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 900px) {
    .home-grid { grid-template-columns: 1fr; }
    .main-nav a { margin-left: 1rem; font-size: 0.8rem; }
}

.featured-card {
    background: var(--white);
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    overflow: hidden;
}

.featured-image-box {
    position: relative;
    min-height: 420px;
}

.featured-img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    animation: bannerFade 18s infinite;
}

.featured-placeholder {
    width: 100%;
    height: 420px;
    background: linear-gradient(135deg, var(--navy), #001a2e);
}

.featured-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.85), transparent);
    color: var(--white);
}

.featured-label {
    display: inline-block;
    color: #6ec1ff;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.featured-overlay h2 {
    margin: 0 0 0.5rem;
    font-size: 1.7rem;
    max-width: 500px;
}

.featured-overlay p {
    margin: 0;
    font-size: 1rem;
    max-width: 520px;
}

.side-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.login-card {
    background: var(--white);
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 1.5rem;
}

.login-card h3 {
    margin-top: 0;
    color: var(--navy);
    font-size: 1.3rem;
    margin-bottom: 1.2rem;
}

.login-card input {
    padding: 0.75rem;
    margin-bottom: 1rem;
}

.side-card {
    background: var(--white);
    border: 1px solid #ddd;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding: 1.5rem;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: var(--white);
    background: linear-gradient(rgba(0,50,86,0.6), rgba(0,50,86,0.9)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"><rect width="100" height="100" fill="%23003256"/></svg>');
    background-size: cover;
}

.side-label {
    color: #6ec1ff;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.side-card h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
}

.alert-section {
    display: flex;
    gap: 1rem;
    background: #e7f4ff;
    border-left: 5px solid var(--navy);
    padding: 1.5rem;
    margin-top: 2rem;
    align-items: flex-start;
}

.alert-icon {
    color: var(--navy);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.alert-content h4 {
    margin: 0 0 0.4rem;
    color: var(--navy);
}

.alert-content p {
    margin: 0;
    color: #333;
    line-height: 1.5;
}

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 800px) {
    .two-col { grid-template-columns: 1fr; }
    header { flex-direction: column; align-items: flex-start; }
}

/* Field validation */
.field-group { position: relative; margin-bottom: 0.6rem; }
.field-hint { display: block; font-size: 0.8rem; color: #777; margin-top: 0.2rem; }
.check { float: right; font-weight: bold; opacity: 0; transition: opacity 0.2s; }
.check.valid { color: #00A878; opacity: 1; }
.check.invalid { color: #a94442; opacity: 1; }
input.valid, textarea.valid, select.valid { border-color: #00A878 !important; }
input.invalid, textarea.invalid, select.invalid { border-color: #a94442 !important; }

/* Loading overlay */
.overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,50,86,0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    color: var(--white);
}
.overlay-box {
    text-align: center;
    padding: 2rem;
    max-width: 400px;
}
.spinner {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255,255,255,0.2);
    border-top: 5px solid var(--gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #00A878;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    animation: popIn 0.4s ease-out;
}
.check-icon {
    width: 30px;
    height: 50px;
    border-right: 6px solid var(--white);
    border-bottom: 6px solid var(--white);
    transform: rotate(45deg) translate(-2px, -6px);
    animation: draw 0.4s ease-out 0.2s forwards;
    opacity: 0;
}
@keyframes popIn {
    0% { transform: scale(0); }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); }
}
@keyframes draw {
    0% { opacity: 0; transform: rotate(45deg) translate(-2px, -6px) scale(0.5); }
    100% { opacity: 1; transform: rotate(45deg) translate(-2px, -6px) scale(1); }
}

/* Shake on error */
.shake { animation: shake 0.4s; }
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}