:root {
    --primary-blue: #003399;
    --secondary-blue: #002673;
    --text-dark: #1a1a1a;
    --text-gray: #64748b;
    --border: #e2e8f0;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { display: flex; min-height: 100vh; background-color: var(--bg-light); color: var(--text-dark); }

/* --- Left Side: Branding --- */
.branding-side {
    flex: 1;
    background: radial-gradient(circle at center, #0044cc 0%, #002266 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px;
    color: var(--white);
    position: sticky;
    top: 0;
    height: 100vh;
}

.branding-content h1 { font-size: 2.8rem; margin-bottom: 20px; line-height: 1.2; }
.branding-content p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 40px; }

.feature-list { list-style: none; }
.feature-item { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; font-size: 0.95rem; }
.feature-item i { font-size: 18px; color: #60a5fa; }

/* --- Right Side: Registration Form --- */
.form-side { flex: 1.2; padding: 60px 40px; overflow-y: auto; }
.form-container { max-width: 550px; margin: 0 auto; }

.form-header { margin-bottom: 40px; }
.form-header h2 { font-size: 2rem; margin-bottom: 10px; }

.section-box { margin-bottom: 35px; }
.section-title { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.section-icon { width: 40px; height: 40px; background: #eff6ff; color: var(--primary-blue); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; }

.section-label h4 { font-size: 1.1rem; color: #334155; }
.section-label p { font-size: 0.85rem; color: var(--text-gray); }

.input-group { margin-bottom: 20px; }
.input-group label { display: block; font-size: 0.9rem; font-weight: 500; margin-bottom: 8px; color: #475569; }
.input-group label span { color: #ef4444; }

input, select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
    background-color: var(--white);
}

input:focus, select:focus { border-color: var(--primary-blue); box-shadow: 0 0 0 3px rgba(0, 51, 153, 0.1); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.terms { display: flex; gap: 12px; font-size: 0.85rem; color: var(--text-gray); margin-bottom: 30px; align-items: flex-start; }
.terms input { width: auto; margin-top: 3px; }
.terms a { color: var(--primary-blue); text-decoration: none; font-weight: 500; }

.btn-submit {
    width: 100%;
    padding: 15px;
    background: var(--primary-blue);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.btn-submit:hover { background: var(--secondary-blue); transform: translateY(-2px); }

.login-footer { text-align: center; margin-top: 30px; font-size: 0.9rem; color: var(--text-gray); }
.login-footer a { color: var(--primary-blue); text-decoration: none; font-weight: 600; }

/* --- Responsive --- */
@media (max-width: 992px) {
    body { flex-direction: column; }
    .branding-side { display: none; }
    .form-side { padding: 40px 20px; }
}