/* --- Variables & Reset --- */
:root {
    --bg-color: #0F1014;
    --card-bg: #1A1C23;
    --card-border: #2A2D39;
    --primary: #9D72FF;
    --primary-hover: #8A5CE6;
    --text-main: #FFFFFF;
    --text-muted: #8A8D98;
    --font-family: 'Inter', sans-serif;
    --radius: 8px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-family);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Layout & Typography --- */
.navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(15, 16, 20, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}
.logo { font-weight: 700; letter-spacing: 2px; }
.lang-selector { display: block; } /* Changed from display: none to make it accessible for testing */
.lang-selector a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.lang-selector a:hover { color: var(--primary); }
main { max-width: 1200px; margin: 0 auto; padding: 40px 5%; }
.text-center { text-align: center; }

/* --- Animated Hero Section --- */
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero {
    text-align: center;
    padding: 100px 5%;
    border-radius: 24px;
    margin-bottom: 60px;
    background: linear-gradient(-45deg, #0F1014, #1a122e, #10142b, #0F1014);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    border: 1px solid rgba(157, 114, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.badge {
    background: rgba(157, 114, 255, 0.1);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border: 1px solid rgba(157, 114, 255, 0.2);
    letter-spacing: 1px;
}
.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin: 24px 0;
    line-height: 1.1;
    background: linear-gradient(to right, #FFF, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p { color: var(--text-muted); max-width: 600px; margin: 0 auto 30px; }

/* --- Buttons & Loaders --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.btn-primary {
    background: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--card-border);
}
.btn-primary:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(157, 114, 255, 0.15);
}
.btn-submit {
    background: var(--primary);
    color: #fff;
    width: 100%;
    margin-top: 20px;
    font-size: 1.1rem;
    padding: 18px;
    position: relative;
    overflow: hidden;
}
.btn-submit:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(157, 114, 255, 0.3);
}

/* Stripe Button */
.btn-stripe {
    background: #635bff;
    color: #fff;
    width: 100%;
    font-size: 1.1rem;
    padding: 18px;
    margin-top: 10px;
}
.btn-stripe:hover {
    background: #5449e6;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 91, 255, 0.3);
}

/* Spinners */
@keyframes spin { 100% { transform: rotate(360deg); } }
.page-loader {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: var(--bg-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.page-loader.hidden {
    opacity: 0;
    pointer-events: none;
}
.spinner-large {
    width: 60px; height: 60px;
    border: 4px solid var(--card-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.btn-spinner {
    display: none;
    width: 20px; height: 20px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 12px;
}
.btn-submit:disabled {
    cursor: not-allowed;
    opacity: 0.8;
}
.btn-submit:disabled .btn-spinner { display: block; }
.btn-submit:disabled .btn-text { opacity: 0.7; }

/* --- Sections & Grid --- */
.section-header { margin-bottom: 30px; }
.phase {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.grid-6 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 60px;
}

/* --- Cards (Archetypes) --- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.card:hover {
    border-color: rgba(157, 114, 255, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    background: linear-gradient(180deg, rgba(26,28,35,1) 0%, rgba(32,28,45,1) 100%);
}
.card.active {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(157, 114, 255, 0.25);
    transform: translateY(-2px);
}
.card-icon {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}
.card:hover .card-icon { transform: scale(1.1); }
.card h3 { font-size: 1rem; }

/* --- Forms --- */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; text-align: left; }
.full-width { grid-column: 1 / -1; margin-bottom: 20px; }
label { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 600;}
input, textarea {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 16px;
    border-radius: var(--radius);
    font-family: var(--font-family);
    transition: var(--transition);
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(157, 114, 255, 0.1);
    background: #1e2029;
}

/* --- Payment UI --- */
.payment-box {
    background: var(--card-bg);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    padding: 40px 30px;
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
}
.payment-box h3 { margin-bottom: 10px; color: var(--text-main); font-size: 1.5rem; }
.payment-box p { color: var(--text-muted); margin-bottom: 30px; }
.qr-box { margin-bottom: 30px; }
.qr-code { 
    max-width: 220px; 
    border-radius: 12px; 
    border: 4px solid var(--text-main); 
    background: #fff;
    padding: 10px;
}
.copy-box { 
    display: flex; 
    gap: 10px; 
}
.copy-box input { 
    flex: 1; 
    font-family: monospace; 
    font-size: 0.85rem; 
    color: var(--text-muted);
}
.copy-box button { white-space: nowrap; }

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
    .hero { padding: 60px 5%; }
    .copy-box { flex-direction: column; }
}