body { 
    font-family: 'Plus Jakarta Sans', sans-serif; 
    background-color: #fdfdf5; /* Off-white with hint of yellow */
}

/* Fixed Header Style */
.fixed-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-image: linear-gradient(rgba(120, 90, 0, 0.85), rgba(40, 30, 0, 0.9)), url('jblfmu.jpg');
    background-size: cover;
    background-position: center;
    border-bottom: 5px solid #fbbf24; /* Richer Gold accent */
}

/* Shrunk State for Header */
.fixed-header.shrunk {
    padding-top: 1rem;
    padding-bottom: 1rem;
    background-image: linear-gradient(rgba(40, 30, 0, 0.95), rgba(20, 15, 0, 0.98));
}

.fixed-header.shrunk .header-badge {
    display: none;
}

.fixed-header.shrunk .header-title {
    font-size: 1.5rem; /* md:2xl equivalent */
    margin-bottom: 0;
}

.fixed-header.shrunk .header-description {
    display: none;
}

.glass-panel { 
    background: rgba(255, 255, 255, 0.98); 
    backdrop-filter: blur(16px); 
    border: 1px solid rgba(251, 191, 36, 0.1); /* Subtle gold border */
}

.vessel-card { 
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); 
    background: #ffffff;
}

.vessel-card:hover { 
    transform: translateY(-8px); 
    box-shadow: 0 30px 40px -15px rgba(245, 158, 11, 0.1); 
    border-color: rgba(245, 158, 11, 0.3);
}

.animate-pop { animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
@keyframes pop {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.animate-fade-in { animation: fadeIn 0.8s ease-out; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Custom Focus Ring for Yellow Theme */
input:focus {
    box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
}

/* Date Input Appearance */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(67%) sepia(87%) saturate(1000%) hue-rotate(1deg) brightness(98%) contrast(106%);
    cursor: pointer;
}