/* =========================================================
   HALAMAN MULAI SURVEY
========================================================= */

.survey-start-page {
    min-height: 100vh;
    padding: 45px 15px;
    background:
        linear-gradient(
            135deg,
            rgba(21, 114, 232, 0.08),
            rgba(104, 97, 206, 0.05)
        ),
        #f5f7fb;
}

.survey-start-wrapper {
    width: 100%;
    max-width: 850px;
    margin: 0 auto;
}

.survey-start-card {
    overflow: hidden;
    background: #ffffff;
    border: 1px solid #e9edf4;
    border-radius: 22px;
    box-shadow: 0 18px 50px rgba(31, 45, 61, 0.1);
}


/* =========================================================
   HEADER
========================================================= */

.survey-start-header {
    position: relative;
    overflow: hidden;
    padding: 40px 35px;
    text-align: center;
    color: #ffffff;
    background: linear-gradient(
        135deg,
        #1269db,
        #1572e8
    );
}

.survey-start-header::before {
    content: "";
    position: absolute;
    width: 220px;
    height: 220px;
    top: -130px;
    right: -80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
}

.survey-start-header::after {
    content: "";
    position: absolute;
    width: 160px;
    height: 160px;
    bottom: -110px;
    left: -50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.survey-start-header > * {
    position: relative;
    z-index: 2;
}

.survey-start-icon {
    width: 65px;
    height: 65px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    font-size: 27px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.survey-start-label {
    display: block;
    margin-bottom: 8px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.8px;
    opacity: 0.85;
}

.survey-start-header h1 {
    margin: 0 0 10px;
    font-size: 30px;
    line-height: 1.3;
    font-weight: 700;
}

.survey-start-header p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.9;
}


/* =========================================================
   INFO SURVEY
========================================================= */

.survey-start-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding: 25px 30px 0;
}

.survey-info-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 14px;
    background: #f8f9fc;
    border: 1px solid #edf0f5;
}

.info-item-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #edf5ff;
    color: #1572e8;
    font-size: 18px;
}

.survey-info-item span {
    display: block;
    margin-bottom: 3px;
    color: #9aa4b2;
    font-size: 11px;
}

.survey-info-item strong {
    display: block;
    color: #4d5969;
    font-size: 13px;
    line-height: 1.4;
}


/* =========================================================
   FORM
========================================================= */

#formMulai {
    padding: 25px 30px 30px;
}

.identity-section {
    padding: 22px;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid #e9edf4;
}

.identity-heading {
    display: flex;
    align-items: center;
    margin-bottom: 22px;
}

.identity-heading-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    margin-right: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 13px;
    background: #f3f0ff;
    color: #6861ce;
    font-size: 19px;
}

.identity-heading h4 {
    margin: 0 0 4px;
    color: #1f2d3d;
    font-size: 18px;
    font-weight: 700;
}

.identity-heading p {
    margin: 0;
    color: #8492a6;
    font-size: 13px;
}

.identity-section label {
    color: #4d5969;
    font-size: 13px;
    font-weight: 600;
}

.identity-section .form-control {
    height: 46px;
    padding: 10px 14px;
    border: 1px solid #dfe5ec;
    border-radius: 10px;
    background: #ffffff;
    font-size: 13px;
    box-shadow: none;
}

.identity-section .form-control:focus {
    border-color: #1572e8;
    box-shadow: 0 0 0 3px rgba(21, 114, 232, 0.1);
}


/* =========================================================
   SURVEY ANONIM
========================================================= */

.anonymous-section {
    display: flex;
    align-items: center;
    padding: 22px;
    border-radius: 16px;
    background: #eef8ff;
    border: 1px solid #d9efff;
}

.anonymous-icon {
    width: 58px;
    height: 58px;
    flex-shrink: 0;
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: #ffffff;
    color: #48abf7;
    font-size: 24px;
}

.anonymous-content h4 {
    margin: 0 0 6px;
    color: #1f2d3d;
    font-size: 17px;
    font-weight: 700;
}

.anonymous-content p {
    margin: 0;
    color: #66788a;
    font-size: 13px;
    line-height: 1.6;
}


/* =========================================================
   BUTTON
========================================================= */

.survey-start-action {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-top: 25px;
}

.btn-back-survey,
.btn-begin-survey {
    min-height: 46px;
    padding: 10px 18px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.btn-back-survey {
    color: #66788a !important;
    background: #f5f7fb;
    border: 1px solid #e1e6ed;
}

.btn-back-survey:hover {
    color: #1572e8 !important;
    background: #edf5ff;
    border-color: #cfe3ff;
}

.btn-begin-survey {
    min-width: 160px;
    color: #ffffff;
    background: #1572e8;
    border: none;
    cursor: pointer;
}

.btn-begin-survey:hover {
    color: #ffffff;
    background: #1269db;
    transform: translateY(-1px);
}

.btn-begin-survey:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}


/* =========================================================
   MOBILE
========================================================= */

@media (max-width: 767px) {

    .survey-start-page {
        padding: 15px 12px;
    }

    .survey-start-card {
        border-radius: 17px;
    }

    .survey-start-header {
        padding: 30px 20px;
    }

    .survey-start-icon {
        width: 58px;
        height: 58px;
        font-size: 24px;
    }

    .survey-start-header h1 {
        font-size: 23px;
    }

    .survey-start-header p {
        font-size: 12px;
    }

    .survey-start-info {
        grid-template-columns: 1fr;
        padding: 18px 15px 0;
    }

    #formMulai {
        padding: 18px 15px 22px;
    }

    .identity-section {
        padding: 17px;
    }

    .identity-heading {
        align-items: flex-start;
    }

    .identity-heading h4 {
        font-size: 16px;
    }

    .identity-heading p {
        font-size: 12px;
        line-height: 1.5;
    }

    .anonymous-section {
        align-items: flex-start;
        padding: 17px;
    }

    .anonymous-icon {
        width: 48px;
        height: 48px;
        margin-right: 12px;
        font-size: 20px;
    }

    .survey-start-action {
        flex-direction: column-reverse;
    }

    .btn-back-survey,
    .btn-begin-survey {
        width: 100%;
    }
}