@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700&display=swap');

:root {
    --bg-dark: #0a0a0c;
    --card-bg: #111114;
    --accent-primary: #6366f1;
    --accent-secondary: #a855f7;
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.05);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 2rem;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
}

.registration-container {
    width: 100%;
    max-width: 900px;
}

.registration-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 32px;
    padding: 4rem;
    box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
}

header {
    text-align: center;
    margin-bottom: 4rem;
}

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.logo span {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-left: 4px;
}

header h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

header p {
    color: var(--text-dim);
}

.form-section {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h2 {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: var(--accent-primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

.form-group.full-width {
    grid-column: span 2;
}

label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dim);
}

input {
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px 18px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

input::placeholder {
    color: #4b5563;
}

.form-footer {
    text-align: center;
}

.terms {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.terms a {
    color: var(--accent-primary);
    text-decoration: none;
}

.btn-submit {
    display: block;
    width: 100%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    padding: 16px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-bottom: 1.5rem;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-back {
    display: inline-block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

.btn-back:hover {
    color: var(--text-main);
}

@media (max-width: 768px) {
    .registration-card {
        padding: 2.5rem;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
    header h1 {
        font-size: 1.75rem;
    }
}