/* ========================================
 *    Ascend IT Data Cloud Academy - Custom Styles
 *       Bootstrap 5.3+ Compatible (FIXED)
 *          ======================================== */

/* ========== Global Styles ========== */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Poppins', sans-serif;
}

/* ========== Bootstrap-Safe Reset ========== */
/* REMOVED aggressive * reset that broke Bootstrap */
/* Only apply box-sizing globally (safe) */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

/* ========== Navigation ========== */
.navbar {
    transition: all 0.3s ease;
}

.navbar-light .navbar-nav .nav-link {
    color: #333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: color 0.3s ease;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
    color: var(--primary-color);
}

.navbar-brand {
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: scale(1.05);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
}

/* ========== Cards ========== */
.card {
    border-radius: 1rem;
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.card-header {
    border-radius: 1rem 1rem 0 0 !important;
}

/* ========== Footer ========== */
.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color) !important;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact i {
    margin-top: 3px;
}

/* ========== Scroll to Top Button ========== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
}

/* ========== Human Validation Modal ========== */
.validation-code-display {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    border: 2px solid var(--primary-color);
}

.letter-spacing-wide {
    letter-spacing: 15px;
}

.validation-keypad {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 400px;
    margin: 0 auto;
}

.validation-key {
    aspect-ratio: 1;
    border: 2px solid var(--primary-color);
    background: linear-gradient(145deg, #ffffff, #f0f0f0);
    color: #333;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: monospace;
}

.validation-key:hover {
    background: linear-gradient(145deg, var(--primary-color), var(--secondary-color));
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(102, 126, 234, 0.4);
}

.validation-key:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.validation-key.clicked {
    background: linear-gradient(145deg, var(--success-color), #20c997);
    color: white;
    border-color: var(--success-color);
    animation: successPulse 0.3s ease;
}

.validation-key:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@keyframes successPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ========== Forms ========== */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

.form-label {
    font-weight: 500;
    color: #555;
}

/* ========== Hero Section ========== */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.1)" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,197.3C1248,203,1344,149,1392,122.7L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

/* ========== Badge Styles ========== */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
}

/* ========== Pricing Tables ========== */
.pricing-card {
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.pricing-card .card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

/* ========== Loading Spinner ========== */
.spinner-wrapper {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.spinner-wrapper.show {
    display: flex;
}

/* ========== Responsive Adjustments ========== */
@media (max-width: 768px) {
    .validation-keypad {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .validation-key {
        font-size: 1.2rem;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }

    .hero-section {
        min-height: 50vh !important;
    }
}

@media (max-width: 576px) {
    .letter-spacing-wide {
        letter-spacing: 8px;
    }

    .validation-code-display span {
        font-size: 2rem !important;
    }
}

/* ========== Animation Utilities ========== */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Top Bar Styles ========== */
.top-bar {
    font-size: 0.9rem;
}

.top-bar a:hover {
    text-decoration: underline !important;
}

/* ========== Glassmorphism Effect ========== */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* ========== Custom Scrollbar ========== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* ========== Print Styles ========== */
@media print {
    .navbar, .footer, .scroll-to-top, .newsletter-section {
        display: none !important;
    }
}