/* CWT Center - Main Stylesheet */

/* Custom Navy Color Scheme */
:root {
    --navy-blue: #001f3f;
    --navy-light: #2c5aa0;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --light-gray: #f8f9fa;
    --border-color: #dee2e6;
}

/* Navy Blue Background */
.bg-navy {
    background-color: var(--navy-blue) !important;
}

.bg-navy-light {
    background-color: var(--navy-light) !important;
}

/* Text Colors */
.text-navy {
    color: var(--navy-blue) !important;
}

.text-gold {
    color: var(--gold) !important;
}

.text-light-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

/* Body and Layout */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    line-height: 1.6;
}

/* Navigation Enhancements */
.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    margin: 0 0.125rem;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(160deg, #00060f 0%, #000d1a 40%, #001230 70%, #001f3f 100%);
    color: white;
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
    min-height: 480px;
    display: flex;
    align-items: center;
    width: 100%;
    transform: translateZ(0);           /* force GPU compositing — prevents white flash on scroll */
    -webkit-transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}

/* Matrix canvas — sits behind everything */
#matrix-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background-color: #00060f;          /* fallback if canvas is cleared during scroll */
    will-change: transform;             /* promote to own GPU layer */
    transform: translateZ(0);           /* force GPU compositing on iOS/Android */
    -webkit-transform: translateZ(0);
}

/* Radial depth overlay */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -10%, rgba(0, 140, 220, 0.18) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 85% 90%, rgba(0, 245, 255, 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

/* CRT scanlines */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        rgba(0, 0, 0, 0.06) 3px,
        rgba(0, 0, 0, 0.06) 4px
    );
    pointer-events: none;
    z-index: 2;
}

/* Content above all effects */
.hero .container {
    position: relative;
    z-index: 3;
}

/* Glitch title */
.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff;  /* iOS Safari: overrides Bootstrap cascade */
    text-shadow:
        0 0 8px rgba(0, 210, 255, 1),
        0 0 20px rgba(0, 210, 255, 0.6),
        0 0 45px rgba(0, 210, 255, 0.3);
    animation: neon-flicker 12s infinite;
    position: relative;
    display: inline-block;
}

.hero h1::before,
.hero h1::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0; /* hidden by default; animations bring them in briefly */
}

.hero h1::before {
    color: #ff0040;
    animation: glitch-red 12s infinite;
    clip-path: polygon(0 15%, 100% 15%, 100% 42%, 0 42%);
}

.hero h1::after {
    color: #00f5ff;
    animation: glitch-cyan 12s infinite;
    clip-path: polygon(0 60%, 100% 60%, 100% 82%, 0 82%);
}

/* Lead text — monospace, slightly tinted */
.hero p {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    color: rgba(190, 225, 255, 0.92) !important;
    -webkit-text-fill-color: rgba(190, 225, 255, 0.92);
    font-family: 'Courier New', Courier, monospace;
    letter-spacing: 0.3px;
}

/* Blinking terminal cursor after lead text */
.hero-cursor::after {
    content: '_';
    color: #00f5ff;
    animation: cursor-blink 1s step-end infinite;
    font-weight: 700;
    margin-left: 1px;
}

/* Keyframes */
@keyframes neon-flicker {
    0%, 18%, 20%, 22%, 60%, 62%, 100% {
        text-shadow:
            0 0 8px rgba(0, 210, 255, 1),
            0 0 20px rgba(0, 210, 255, 0.6),
            0 0 45px rgba(0, 210, 255, 0.3);
        opacity: 1;
    }
    19%, 21%, 61% {
        text-shadow: none;
        opacity: 0.8;
    }
}

@keyframes glitch-red {
    0%, 87%, 100% { opacity: 0; transform: translate(0); }
    88%            { opacity: 0.75; transform: translate(-4px, 0); }
    89%            { opacity: 0; }
    90%            { opacity: 0.5; transform: translate(4px, 2px); }
    91%, 99%       { opacity: 0; }
}

@keyframes glitch-cyan {
    0%, 89%, 100% { opacity: 0; transform: translate(0); }
    90%           { opacity: 0.75; transform: translate(4px, 0); }
    91%           { opacity: 0; }
    92%           { opacity: 0.5; transform: translate(-4px, -2px); }
    93%, 99%      { opacity: 0; }
}

@keyframes cursor-blink {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0; }
}

/* Cards */
.card {
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    transition: all 0.3s ease;
    height: 100%;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.card-header {
    background-color: var(--light-gray);
    border-bottom: 1px solid var(--border-color);
    border-radius: 0.75rem 0.75rem 0 0 !important;
    padding: 1.25rem;
}

.card-body {
    padding: 1.5rem;
}

/* Resource Cards */
.resource-card {
    border-left: 4px solid var(--navy-blue);
}

.resource-card:hover {
    border-left-color: var(--gold);
}

.resource-meta {
    font-size: 0.875rem;
    color: #6c757d;
}

.difficulty-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
}

.difficulty-beginner {
    background-color: #d4edda;
    color: #155724;
}

.difficulty-intermediate {
    background-color: #fff3cd;
    color: #856404;
}

.difficulty-advanced {
    background-color: #f8d7da;
    color: #721c24;
}

/* Buttons */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.625rem 1.5rem;
    transition: all 0.3s ease;
}

.btn-navy {
    background-color: var(--navy-blue);
    border-color: var(--navy-blue);
    color: white;
}

.btn-navy:hover {
    background-color: var(--navy-light);
    border-color: var(--navy-light);
    color: white;
}

.btn-outline-navy {
    color: var(--navy-blue);
    border-color: var(--navy-blue);
    background-color: transparent;
}

.btn-outline-navy:hover,
.btn-outline-navy:active,
.btn-outline-navy.active {
    background-color: var(--navy-blue);
    border-color: var(--navy-blue);
    color: white;
}

.btn-gold {
    background-color: var(--gold);
    border-color: var(--gold);
    color: var(--navy-blue);
    font-weight: 600;
}

.btn-gold:hover {
    background-color: #e6c200;
    border-color: #e6c200;
    color: var(--navy-blue);
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--navy-light);
    box-shadow: 0 0 0 0.2rem rgba(44, 90, 160, 0.25);
}

.form-label {
    font-weight: 600;
    color: var(--navy-blue);
    margin-bottom: 0.5rem;
}

/* Statistics */
.stat-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--navy-blue);
    display: block;
}

.stat-label {
    color: #6c757d;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

/* Progress Bars */
.progress {
    height: 0.75rem;
    border-radius: 0.5rem;
    background-color: var(--light-gray);
}

.progress-bar {
    background-color: var(--navy-blue);
    border-radius: 0.5rem;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 0.375rem;
}

.badge-navy {
    background-color: var(--navy-blue);
    color: white;
}

.badge-gold {
    background-color: var(--gold);
    color: var(--navy-blue);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    padding: 1rem 1.25rem;
    border-left: 4px solid;
}

.alert-info {
    border-left-color: var(--navy-blue);
}

.alert-success {
    border-left-color: #28a745;
}

.alert-warning {
    border-left-color: #ffc107;
}

.alert-danger {
    border-left-color: #dc3545;
}

/* Footer */
footer {
    margin-top: auto;
}

footer a {
    text-decoration: none;
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--gold) !important;
}

/* Hero: always-visible outline button on the dark background */
.hero .btn-outline-light {
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff;
    border-color: rgba(255, 255, 255, 0.75) !important;
}
.hero .btn-outline-light:hover,
.hero .btn-outline-light:active {
    background-color: rgba(255, 255, 255, 0.15) !important;
    color: #ffffff !important;
    -webkit-text-fill-color: #ffffff;
}

/* Hero gold button: keep dark text readable on gold bg */
.hero .btn-gold {
    color: var(--navy-blue) !important;
    -webkit-text-fill-color: var(--navy-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero {
        padding: 3.5rem 0;
        min-height: 400px;
    }

    .hero h1 {
        font-size: 2.4rem;
    }

    /* Disable glitch slices on mobile — they cause rendering artifacts */
    .hero h1::before,
    .hero h1::after {
        content: none;
    }

    .hero p {
        font-size: 1rem;
    }

    .card {
        margin-bottom: 1rem;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Utilities */
.border-navy {
    border-color: var(--navy-blue) !important;
}

.border-gold {
    border-color: var(--gold) !important;
}

.shadow-navy {
    box-shadow: 0 4px 6px rgba(0, 31, 63, 0.15) !important;
}

.rounded-lg {
    border-radius: 0.75rem !important;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--gold);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}