/* ============================================
   Princeton Review Placement Test Platform
   Premium Formal Design System
   ============================================ */

/* --- CSS Variables --- */
:root {
    --bg-primary: #0B1420;
    --bg-secondary: #111D2E;
    --bg-card: #152238;
    --bg-card-hover: #1A2A42;
    --bg-input: #0E1A2A;
    --accent-gold: #C9A84C;
    --accent-gold-light: #D4B85C;
    --accent-gold-dark: #A8893D;
    --accent-gold-subtle: rgba(201, 168, 76, 0.08);
    --accent-gold-border: rgba(201, 168, 76, 0.2);
    --text-primary: #E8ECF1;
    --text-secondary: #8A9BB5;
    --text-muted: #5A6B82;
    --border-color: #1E3048;
    --border-light: #253A52;
    --success: #2E8B57;
    --error: #C0392B;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --transition: 0.3s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Reset --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

/* --- Body --- */
body {
    font-family: var(--font);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
    margin: 0;
    min-height: 100vh;
    background-image: url('/web/images/AI-in-Education-Post-Pandemic.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    background-attachment: fixed;
    background-blend-mode: overlay;
    background-color: rgba(0,0,0,0.3);
    /* Animasiya üçün */
    animation: backgroundPan 30s linear infinite;
}

@keyframes backgroundPan {
    0% {
        background-position: center top;
    }

    50% {
        background-position: center bottom;
    }

    100% {
        background-position: center top;
    }
}


/* --- Background Decorative Elements --- */
.bg-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background-image: radial-gradient(circle at 20% 50%, rgba(201, 168, 76, 0.03) 0%, transparent 50%), radial-gradient(circle at 80% 20%, rgba(201, 168, 76, 0.02) 0%, transparent 40%), radial-gradient(circle at 50% 80%, rgba(30, 48, 72, 0.3) 0%, transparent 50%);
}

.bg-gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

.bg-gradient-orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(201, 168, 76, 0.06) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: orbFloat1 20s ease-in-out infinite;
}

.bg-gradient-orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(30, 60, 100, 0.15) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation: orbFloat2 25s ease-in-out infinite;
}

@keyframes orbFloat1 {
    0%, 100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(-40px, 30px);
    }
}

@keyframes orbFloat2 {
    0%, 100% {
        transform: translate(0, 0);
    }

    50% {
        transform: translate(30px, -40px);
    }
}

/* --- SEO Hidden --- */
.seo-hidden {
    position: absolute;
    left: -9999px;
    top: -9999px;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ============================================
   HEADER
   ============================================ */
header {
    background: rgba(11, 20, 32, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.875rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* --- Logo --- */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition);
    letter-spacing: -0.02em;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
}

.logo:hover {
    color: var(--accent-gold);
}

/* --- SAT Button --- */
.sat-btn {
    display: inline-flex;
    align-items: center;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    background: var(--accent-gold);
    color: #0B1420;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: 0.01em;
}

    .sat-btn:hover {
        background: var(--accent-gold-light);
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(201, 168, 76, 0.25);
    }

/* --- Admin Links --- */
.admin-links {
    display: flex;
    gap: 10px;
    align-items: center;
}

.admin-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    background: var(--bg-card);
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

    .admin-link:hover {
        background: var(--bg-card-hover);
        border-color: var(--accent-gold-border);
        color: var(--accent-gold);
    }

.logout-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-secondary);
    background: transparent;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

    .logout-link:hover {
        color: var(--error);
        border-color: rgba(192, 57, 43, 0.3);
        background: rgba(192, 57, 43, 0.08);
    }

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
    min-height: calc(100vh - 120px);
    padding: 6rem 1.5rem 4rem;
}

.content-wrapper {
    width: 100%;
    max-width: 900px;
    text-align: center;
}

/* --- Badge --- */
.badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--accent-gold-subtle);
    border: 1px solid var(--accent-gold-border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

/* --- Main Title --- */
.main-title {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

/* --- Main Description --- */
.main-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

/* --- Levels Section --- */
.levels-section {
    margin-top: 1rem;
}

.levels-heading {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.levels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* --- Level Button --- */
.level-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 600;
    color: var(--text-primary);
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    font-size: 1rem;
    font-family: var(--font);
    text-align: left;
}

    .level-btn::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--accent-gold);
        opacity: 0;
        transition: opacity var(--transition);
    }

.level-btn-name {
    flex: 1;
}

.level-btn-arrow {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    transition: all var(--transition);
}

.level-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-gold-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

    .level-btn:hover::before {
        opacity: 1;
    }

    .level-btn:hover .level-btn-arrow {
        color: var(--accent-gold);
        transform: translateX(4px);
    }

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: rgba(11, 20, 32, 0.95);
    backdrop-filter: blur(10px);
    text-align: center;
    padding: 1.25rem;
    color: var(--text-muted);
    font-size: 0.8125rem;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}

/* ============================================
   REGISTRATION MODAL
   ============================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 10, 20, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

    .modal-overlay.active {
        opacity: 1;
        visibility: visible;
    }

.modal-content {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition);
    position: relative;
}

    .modal-content::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--accent-gold-dark), var(--accent-gold), var(--accent-gold-dark));
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.close-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

    .close-btn:hover {
        color: var(--text-primary);
        background: var(--bg-card-hover);
        border-color: var(--accent-gold-border);
    }

/* ============================================
   FORM STYLES
   ============================================ */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-family: var(--font);
    transition: border-color var(--transition), box-shadow var(--transition);
}

    .form-input::placeholder {
        color: var(--text-muted);
    }

    .form-input:focus {
        outline: none;
        border-color: var(--accent-gold);
        box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
    }

.form-hint {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.375rem;
    display: block;
}

/* --- Phone Input --- */
.phone-input-container {
    display: flex;
    gap: 0.5rem;
}

.country-selector {
    position: relative;
    width: 140px;
}

.country-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0.875rem;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: border-color var(--transition);
    font-family: var(--font);
}

    .country-button:hover,
    .country-button:focus {
        border-color: var(--accent-gold);
    }

.country-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.country-flag {
    font-size: 1.125rem;
}

.country-code {
    font-weight: 500;
    font-size: 0.875rem;
}

.dropdown-icon {
    font-size: 0.625rem;
    color: var(--text-muted);
    transition: transform var(--transition);
}

.country-selector.open .dropdown-icon {
    transform: rotate(180deg);
}

.country-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 50;
    max-height: 240px;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
}

.country-selector.open .country-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.countries-list {
    max-height: 200px;
    overflow-y: auto;
}

    .countries-list::-webkit-scrollbar {
        width: 4px;
    }

    .countries-list::-webkit-scrollbar-track {
        background: transparent;
    }

    .countries-list::-webkit-scrollbar-thumb {
        background: var(--border-light);
        border-radius: 4px;
    }

.country-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    cursor: pointer;
    transition: background-color 0.2s;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 0.875rem;
}

    .country-option:hover {
        background-color: var(--bg-card);
    }

.country-details {
    flex: 1;
    min-width: 0;
}

.country-name {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.8125rem;
}

.country-phone {
    color: var(--text-muted);
    font-size: 0.75rem;
}

/* --- Radio Group --- */
.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    transition: all var(--transition);
}

    .radio-option:has(.radio-input:checked) {
        border-color: var(--accent-gold-border);
        background: var(--accent-gold-subtle);
    }

.radio-input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent-gold);
}

.radio-label {
    font-size: 0.875rem;
    font-weight: 500;
}

/* --- Error --- */
.form-error {
    background-color: rgba(192, 57, 43, 0.12);
    border: 1px solid rgba(192, 57, 43, 0.3);
    color: #E74C3C;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: left;
    display: none;
}

    .form-error.show {
        display: block;
    }

/* --- Success --- */
.success-message {
    text-align: center;
    padding: 2rem 0;
    display: none;
}

    .success-message.show {
        display: block;
    }

.success-icon {
    margin-bottom: 1rem;
}

.success-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.success-text {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* --- Buttons --- */
.btn-group {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.btn-cancel {
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
    font-size: 0.875rem;
}

    .btn-cancel:hover {
        background: var(--bg-card);
        color: var(--text-primary);
        border-color: var(--border-light);
    }

.btn-submit {
    background: var(--accent-gold);
    color: #0B1420;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
    font-size: 0.875rem;
}

    .btn-submit:hover:not(:disabled) {
        background: var(--accent-gold-light);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(201, 168, 76, 0.2);
    }

    .btn-submit:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

/* ============================================
   EXAM PURPOSE MODAL
   ============================================ */
.exam-purpose-overlay {
    position: fixed;
    inset: 0;
    background: rgba(5, 10, 20, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: fadeInOverlay 0.3s ease forwards;
}

@keyframes fadeInOverlay {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.exam-purpose-box {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    text-align: center;
    width: 90%;
    max-width: 480px;
    box-shadow: var(--shadow-xl);
    background: var(--bg-secondary);
    animation: popIn 0.3s ease forwards;
    transform: scale(0.95);
    opacity: 0;
    position: relative;
}

    .exam-purpose-box::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--accent-gold-dark), var(--accent-gold), var(--accent-gold-dark));
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    }

@keyframes popIn {
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.exam-purpose-icon {
    margin-bottom: 1rem;
}

.exam-purpose-box h2 {
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 1.75rem;
    letter-spacing: -0.02em;
}

.exam-purpose-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

    .exam-purpose-buttons button {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        color: var(--text-primary);
        font-weight: 600;
        font-size: 0.9375rem;
        padding: 0.875rem 1rem;
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: all var(--transition);
        font-family: var(--font);
    }

.purpose-icon {
    font-size: 1.125rem;
}

.exam-purpose-buttons button:hover {
    background: var(--accent-gold);
    color: #0B1420;
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.exam-purpose-close-btn {
    margin-top: 0.5rem;
    padding: 0.625rem 1.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

    .exam-purpose-close-btn:hover {
        color: var(--error);
        border-color: rgba(192, 57, 43, 0.3);
        background: rgba(192, 57, 43, 0.08);
    }

/* ============================================
   LOADING ANIMATION
   ============================================ */
.loading {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spin 0.8s ease-in-out infinite;
}

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

/* ============================================
   SCROLLBAR
   ============================================ */
.modal-content::-webkit-scrollbar {
    width: 5px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 4px;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
        padding: 0.625rem 1rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    main {
        padding-top: 8rem;
        padding-bottom: 5rem;
    }

    .badge {
        font-size: 0.6875rem;
    }

    .main-title {
        font-size: 1.75rem;
    }

    .main-description {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
    }

    .levels-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .level-btn {
        padding: 1rem 1.125rem;
        font-size: 0.9375rem;
    }

    .modal-content {
        padding: 1.5rem;
        margin: 1rem;
        border-radius: var(--radius-lg);
    }

    .phone-input-container {
        flex-direction: column;
    }

    .country-selector {
        width: 100%;
    }

    .btn-group {
        flex-direction: column-reverse;
        gap: 0.75rem;
    }

    .btn-cancel,
    .btn-submit {
        width: 100%;
        text-align: center;
    }

    .radio-group {
        flex-direction: column;
        gap: 0.5rem;
    }

    .admin-links {
        flex-direction: column;
        gap: 8px;
    }

    footer {
        padding: 0.75rem;
        font-size: 0.75rem;
    }

    .exam-purpose-box {
        padding: 2rem 1.5rem;
    }

    .exam-purpose-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .levels-grid {
        grid-template-columns: 1fr;
    }

    .main-title {
        font-size: 1.5rem;
    }

    .sat-btn {
        font-size: 0.8125rem;
        padding: 0.5rem 1rem;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@media (prefers-reduced-motion: no-preference) {
    .level-btn {
        animation: fadeInUp 0.5s ease backwards;
    }

        .level-btn:nth-child(1) {
            animation-delay: 0.05s;
        }

        .level-btn:nth-child(2) {
            animation-delay: 0.1s;
        }

        .level-btn:nth-child(3) {
            animation-delay: 0.15s;
        }

        .level-btn:nth-child(4) {
            animation-delay: 0.2s;
        }

        .level-btn:nth-child(5) {
            animation-delay: 0.25s;
        }

        .level-btn:nth-child(6) {
            animation-delay: 0.3s;
        }

        .level-btn:nth-child(7) {
            animation-delay: 0.35s;
        }

        .level-btn:nth-child(8) {
            animation-delay: 0.4s;
        }

    .badge {
        animation: fadeInUp 0.5s ease backwards;
    }

    .main-title {
        animation: fadeInUp 0.6s ease backwards;
        animation-delay: 0.1s;
    }

    .main-description {
        animation: fadeInUp 0.6s ease backwards;
        animation-delay: 0.2s;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}