:root {
    --navy-primary: #051b35;
    --navy-secondary: #0f2b50;
    /* --yellow-accent: #fbbf24;
    --yellow-hover: #f59e0b; */
    --yellow-accent: #FFD700;
     --yellow-hover: #FACC15;
    --light-bg: #f8fafc;
    --text-dark: #1e293b;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg);
    color: var(--text-dark);
    background-image: radial-gradient(#e2e8f0 1px, transparent 1px);
    background-size: 20px 20px;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    color: var(--navy-primary);
}

/* --- Navbar Minimalist --- */
.navbar-custom {
    background-color: var(--navy-primary);
    padding: 1rem 0;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

/* Hexagon Pattern Overlay for Header */
.navbar-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l25.98 15v30L30 60 4.02 45V15z' fill-opacity='0.05' fill='%23fbbf24' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.2;
    pointer-events: none;
}

.navbar-brand {
    font-weight: 700;
    color: white !important;
    font-size: 1.5rem;
    font-family: 'Playfair Display', serif;
    letter-spacing: 0.5px;
}

.btn-back {
    color: var(--yellow-accent);
    border: 1px solid rgba(251, 191, 36, 0.3);
    text-decoration: none;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-back:hover {
    background-color: var(--yellow-accent);
    color: var(--navy-primary);
    border-color: var(--yellow-accent);
}

/* --- Form Card --- */
.registration-card {
    background: white;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(5, 27, 53, 0.08);
    border: 1px solid rgba(255,255,255,0.8);
    overflow: hidden;
    margin-bottom: 50px;
}

.form-header {
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 1px solid #f1f5f9;
}

.form-body {
    padding: 3rem;
}

/* --- Inputs & Labels --- */
.form-label {
    font-weight: 600;
    color: var(--navy-primary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.required-star {
    color: #ef4444;
}

.form-control, .form-select {
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    font-size: 0.95rem;
    transition: all 0.2s;
    background-color: #f8fafc;
}

.form-control:focus, .form-select:focus {
    border-color: var(--yellow-accent);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.15);
}

/* --- Section Divider --- */
.section-title-wrapper {
    display: flex;
    align-items: center;
    margin: 2rem 0 1.5rem;
    color: var(--navy-secondary);
}

.section-icon {
    /* background: rgba(5, 27, 53, 0.05); */
    background: var(--yellow-accent);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: var(--navy-primary);
}

.section-text {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.section-line {
    flex-grow: 1;
    height: 2px;
    background-color: #e2e8f0;
    margin-left: 1rem;
}

/* --- Payment Box --- */
.payment-summary {
    background-color: var(--navy-primary);
    color: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.payment-summary::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(251, 191, 36, 0.1);
    pointer-events: none;
}

.total-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--yellow-accent);
    font-family: 'Playfair Display', serif;
}

.bank-details-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    border: 1px solid rgba(255,255,255,0.1);
}

/* --- Buttons --- */
.btn-submit {
    background-color: var(--yellow-accent);
    color: var(--navy-primary);
    font-weight: 700;
    padding: 16px;
    width: 100%;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
    box-shadow: 0 10px 20px rgba(251, 191, 36, 0.2);
}

.btn-submit:hover {
    background-color: var(--yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(251, 191, 36, 0.3);
}

@media (max-width: 768px) {
    .form-body { padding: 1.5rem; }
    .form-header { padding: 2rem 1.5rem; }
}