:root {
    --bg-main: #f5f5f7;
    --card-bg: #ffffff;
    --text-dark: #1d1d1f;
    --text-muted: #86868b;
    --accent: #0071e3;
    --border-color: #e5e5ea;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-main);
    color: var(--text-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Header Elements */
.apple-header {
    position: relative;
    text-align: center;
    padding: 60px 20px 40px;
    overflow: hidden;
}

.header-glow {
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 450px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(40px);
    z-index: 1;
    pointer-events: none;
    animation: pulseGlow 5s ease-in-out infinite alternate;
}

.header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    background-color: rgba(209, 209, 214, 0.85); 
    backdrop-filter: blur(25px); 
    -webkit-backdrop-filter: blur(25px);
    padding: 40px;
    border-radius: 28px; 
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08); 
    border: 1px solid rgba(255, 255, 255, 0.9); 
}

/* Main Heading Title */
h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 3.2rem;
    font-weight: 800; 
    letter-spacing: -0.03em; 
    margin-bottom: 15px;
    color: var(--text-dark);
    opacity: 0; 
    transform: translateY(-30px); 
    animation: slideDown 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards; 
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), text-shadow 0.4s ease;
}

/* Premium Heading Hover Effect */
h1:hover {
    transform: scale(1.02);
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    cursor: default;
}

/* ✨ The New Navy Blue Handwriting Accent */
.handwriting-accent {
    font-family: 'Dancing Script', cursive;
    color: #002244; 
    font-size: 4.0rem; 
    font-weight: 700;
    letter-spacing: normal; 
    display: inline-block;
    transform: rotate(-2deg); 
    margin-left: 5px;
    text-shadow: 1px 2px 4px rgba(0, 34, 68, 0.15);
}

/* Subtitle Container - No Cursor, Pure Text Wrap */
.subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.5;
    min-height: 3rem;
    display: block; 
    white-space: normal;
    overflow-wrap: break-word;
}

/* Search and Filter Inputs */
.search-filter-wrapper {
    display: flex;
    gap: 16px;
    justify-content: center;
    align-items: center;
    max-width: 650px;
    margin: 0 auto;
}

#search-input, #category-filter {
    padding: 16px 20px;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background-color: var(--card-bg);
    color: var(--text-dark);
    outline: none;
    box-shadow: 0 4px 14px rgba(0,0,0,0.03);
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

#search-input { flex: 1; min-width: 0; }

#category-filter {
    width: 200px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%2214%22%20height%3D%2214%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%2386868b%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpolyline%20points%3D%226%209%2012%2015%2018%209%22%3E%3C%2Fpolyline%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* Search & Filter Hover Lift Effect */
#search-input:hover, #category-filter:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    border-color: #d1d1d6;
}

#search-input:focus, #category-filter:focus {
    transform: translateY(-2px); 
    border-color: var(--accent);
    box-shadow: 0 6px 20px rgba(0, 113, 227, 0.12);
}

/* Cards Grid Layout */
.cards-grid {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
    padding: 0 30px 60px;
}

.aircraft-card {
    background-color: var(--card-bg);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0,0,0,0.02);
}

.aircraft-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.08);
}

.card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-header {
    margin-bottom: 20px;
}

.badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 6px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

.badge.commercial { color: #0071e3; background-color: rgba(0, 113, 227, 0.1); }
.badge.cargo { color: #ff9500; background-color: rgba(255, 149, 0, 0.1); }
.badge.general { color: #34c759; background-color: rgba(52, 199, 89, 0.1); }
/* Added Military Badge */
.badge.military { color: #d32f2f; background-color: rgba(211, 47, 47, 0.1); } 

.card-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 4px 0;
    letter-spacing: -0.01em;
}

.card-manufacturer {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
    margin: 0;
}

.data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px 12px;
    margin-bottom: 24px;
    background-color: #fafafa;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.data-item {
    display: flex;
    flex-direction: column;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.data-item span {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 3px;
}

.card-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    font-style: italic;
}

/* Animations Keyframes */
@keyframes slideDown {
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseGlow {
    0% { transform: translate(-50%, -50%) scale(0.95); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

/* ========================================================= */
/* 📱 MOBILE RESPONSIVE OVERRIDES                            */
/* ========================================================= */

@media screen and (max-width: 768px) {
    h1 {
        font-size: 2.2rem !important;
        white-space: normal !important;
        overflow-wrap: break-word !important;
    }

    .handwriting-accent {
        font-size: 2.6rem; 
    }

    .subtitle {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .apple-header {
        padding: 30px 12px 20px;
    }

    .header-content {
        padding: 24px 16px;
        border-radius: 20px;
    }

    .search-filter-wrapper {
        flex-direction: column;
        gap: 12px;
        width: 100%;
    }

    #search-input, #category-filter {
        width: 100% !important;
    }

    .cards-grid {
        grid-template-columns: 1fr !important; 
        padding: 0 16px 40px;
        gap: 16px;
    }

    .card-content {
        padding: 16px;
    }

    .data-grid {
        gap: 10px 8px;
        padding: 12px;
    }
}