:root {
    --primary: #4338f2;
    --primary-dark: #2e25d6;
    --bg: #eef4fb;
    --card: #fff;
    --text: #1d2033;
    --muted: #71778c;
    --input: #f4f1ff;
    --border: #e4e8f0;
    --cyan: #cff7ff;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    background: var(--bg);
    flex-direction: column;
    min-height: 100vh;
    font-family: Inter, sans-serif;
    display: flex;
}
a {
    text-decoration: none;
}
.topbar {
    background: #f8f5fb;
    border-bottom: 1px solid #e7ebf3;
    align-items: center;
    height: 82px;
    display: flex;
}
.navbar-custom {
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1180px;
    margin: auto;
    padding: 0 20px;
    display: flex;
}
.logo {
    color: var(--primary);
    font-size: 38px;
    font-weight: 800;
}
.nav-icons {
    gap: 24px;
    display: flex;
}
.nav-icons a {
    color: #444;
    font-size: 22px;
}
.main-wrapper {
    flex: 1;
    justify-content: center;
    align-items: center;
    padding: 60px 20px;
    display: flex;
    position: relative;
    overflow: hidden;
}
.bg-shape {
    background: var(--cyan);
    border-radius: 0 0 30px 30px;
    width: 350px;
    height: 650px;
    position: absolute;
    bottom: 0;
    right: 22%;
}
.register-card {
    background: var(--card);
    border: 1px solid var(--border);
    z-index: 2;
    border-radius: 22px;
    width: 100%;
    max-width: 560px;
    padding: 38px;
    position: relative;
}
.step-row {
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    display: flex;
}
.step {
    color: #666;
    font-size: 14px;
    font-weight: 600;
}
.step-name {
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
}
.progress {
    background: #dedcf0;
    border-radius: 50px;
    height: 7px;
    margin-bottom: 35px;
}
.progress-bar {
    background: #2fd1d9;
    border-radius: 50px;
    width: 50%;
}
.title {
    text-align: center;
    color: var(--text);
    margin-bottom: 18px;
    font-size: 54px;
    font-weight: 800;
    line-height: 1.1;
}
.subtitle {
    text-align: center;
    color: #5e6478;
    margin-bottom: 42px;
    font-size: 17px;
    line-height: 1.8;
}
.input-group-custom {
    margin-bottom: 24px;
}
.input-group-custom label {
    color: #444;
    margin-bottom: 12px;
    font-size: 15px;
    font-weight: 500;
    display: block;
}
.required {
    color: #000;
}
.optional {
    color: #bbb4d7;
}
.input-wrapper {
    position: relative;
}
.input-wrapper i {
    color: #85839c;
    font-size: 20px;
    position: absolute;
    top: 50%;
    left: 18px;
    transform: translateY(-50%);
}
.custom-input {
    background: var(--input);
    color: #222;
    border: none;
    border-radius: 16px;
    outline: none;
    width: 100%;
    height: 62px;
    padding: 0 55px;
    font-size: 17px;
}
.custom-input::placeholder {
    color: #b3b2c6;
}
.password-eye {
    cursor: pointer;
    right: 18px;
    position: absolute !important;
    left: auto !important;
}
textarea.custom-input {
    resize: none;
    height: 140px;
    padding-top: 18px;
}
.small-text {
    color: #b9b7cb;
    margin-top: 10px;
    font-size: 13px;
}
.btn-main {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 16px;
    width: 100%;
    height: 62px;
    margin-top: 10px;
    font-size: 17px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-main:hover {
    background: var(--primary-dark);
}
.btn-main i {
    margin-left: 10px;
}
.login-link {
    text-align: center;
    color: #555d73;
    margin-top: 42px;
    font-size: 16px;
}
.login-link a {
    color: var(--primary);
    font-weight: 700;
}
footer {
    background: var(--bg);
    border-top: 1px solid #dde4ef;
    padding: 30px 0;
}
.footer-container {
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    width: 100%;
    max-width: 1180px;
    margin: auto;
    padding: 0 20px;
    display: flex;
}
.footer-logo {
    color: var(--primary);
    font-size: 30px;
    font-weight: 800;
}
.footer-links {
    flex-wrap: wrap;
    gap: 35px;
    display: flex;
}
.footer-links a {
    color: #5f6477;
}
.copyright {
    color: #5f6477;
    font-size: 15px;
}
@media (width<=768px) {
    .register-card {
        padding: 25px;
    }
    .title {
        font-size: 40px;
    }
    .bg-shape {
        display: none;
    }
    .footer-container {
        text-align: center;
        justify-content: center;
    }
}