/* =====================================================
   GLOBAL
===================================================== */

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f5f7fb;
    color: #172033;
}


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

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e9edf3;
    position: relative;
   
}

.site-header .navbar {
    min-height: 78px;
}

.site-logo {
    max-width: 190px;
    max-height: 60px;
    object-fit: contain;
}


/* =====================================================
   HERO
===================================================== */

.hero-section {
    background:
        linear-gradient(
            135deg,
            #071c3a 0%,
            #0d376b 50%,
            #0b5cab 100%
        );

    color: #ffffff;
    padding: 85px 20px 105px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;

    width: 400px;
    height: 400px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.05);

    top: -200px;
    right: -100px;
}

.hero-section::after {
    content: "";
    position: absolute;

    width: 300px;
    height: 300px;

    border-radius: 50%;

    background: rgba(255, 255, 255, 0.04);

    bottom: -170px;
    left: -80px;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;

    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);

    padding: 9px 18px;

    border-radius: 50px;

    font-size: 14px;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: clamp(2.2rem, 5vw, 4.3rem);
    line-height: 1.12;
    font-weight: 800;

    margin: 0 auto 20px;
}

.hero-content h1 span {
    display: block;
    color: #ffd43b;
}

.hero-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.82);

    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-button {
    padding: 13px 28px;
    border-radius: 10px;

    font-weight: 600;

    background: #ffd43b;
    border-color: #ffd43b;
    color: #172033;
}

.hero-button:hover {
    background: #ffffff;
    border-color: #ffffff;
    color: #172033;
}


/* =====================================================
   VERIFICATION SECTION
===================================================== */

.verification-section {
    padding: 70px 15px;
    margin-top: -45px;

    position: relative;
    z-index: 5;

    min-height: 500px;
}


/* =====================================================
   VERIFICATION CARD
===================================================== */

.verification-card {
    background: #ffffff;

    border-radius: 18px;

    overflow: hidden;

    border: 1px solid #e5eaf1;

    box-shadow:
        0 20px 50px rgba(20, 42, 70, 0.12);
}


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

.verification-header {
    background: #f8fafc;

    border-bottom: 1px solid #e8edf3;

    padding: 28px;

    display: flex;
    align-items: center;
    gap: 18px;
}

.header-icon {
    width: 58px;
    height: 58px;

    flex: 0 0 58px;

    display: flex;
    align-items: center;
    justify-content: center;

    border-radius: 14px;

    background: #e8f1ff;
    color: #0d6efd;

    font-size: 25px;
}

.verification-header h2 {
    font-size: 23px;
    font-weight: 700;

    margin: 0 0 5px;
}

.verification-header p {
    margin: 0;

    color: #697586;
    font-size: 14px;
}


/* =====================================================
   CARD BODY
===================================================== */

.verification-body {
    padding: 35px;
}

.verification-description {
    color: #687386;
    font-size: 15px;
    line-height: 1.7;

    margin-bottom: 30px;
}


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

.form-group {
    margin-bottom: 23px;
}

.form-label {
    display: block;

    font-weight: 700;
    font-size: 15px;

    margin-bottom: 9px;

    color: #27364d;
}

.input-group-lg .input-group-text {
    min-width: 55px;

    justify-content: center;

    background: #f5f8fc;
    border-color: #dce3ed;

    color: #0d6efd;
}

.input-group-lg .form-control {
    min-height: 55px;

    border-color: #dce3ed;

    font-size: 15px;

    box-shadow: none;
}

.form-control:focus {
    border-color: #0d6efd;

    box-shadow:
        0 0 0 3px rgba(13, 110, 253, 0.10);
}

.form-control::placeholder {
    color: #9aa5b5;
}


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

.check-button {
    width: 100%;

    min-height: 55px;

    border-radius: 9px;

    font-weight: 700;

    margin-top: 5px;

    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.check-button:hover:not(:disabled) {
    transform: translateY(-1px);

    box-shadow:
        0 8px 20px rgba(13, 110, 253, 0.22);
}

.check-button:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}


/* =====================================================
   LOADING
===================================================== */

.loading-box {
    display: flex;

    align-items: center;
    justify-content: center;

    gap: 12px;

    margin-top: 25px;

    padding: 18px;

    border-radius: 10px;

    background: #f5f8fc;

    color: #536176;

    font-size: 14px;
}


/* =====================================================
   RESULT
===================================================== */

.result-container {
    margin-top: 25px;
}

.result-container:empty {
    display: none;
}

.result-container .alert {
    border-radius: 10px;
    margin-bottom: 0;
}


/* =====================================================
   FOOTER
===================================================== */

.site-footer {
    background: #101828;

    color: #ffffff;

    padding: 35px 15px;
}

.footer-brand {
    font-size: 20px;
    font-weight: 700;

    margin-bottom: 6px;
}

.footer-brand span {
    color: #ffd43b;
}

.site-footer p {
    margin: 0;

    color: #98a2b3;

    font-size: 14px;
}

.copyright {
    line-height: 1.6;
}


/* =====================================================
   TABLET
===================================================== */

@media (max-width: 991.98px) {

    .hero-section {
        padding: 70px 20px 90px;
    }

    .verification-section {
        padding-top: 55px;
    }

}


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

@media (max-width: 767.98px) {

    .site-header .navbar {
        min-height: 65px;
    }

    .site-logo {
        max-width: 155px;
        max-height: 50px;
    }


    .hero-section {
        padding: 55px 18px 80px;
    }

    .hero-badge {
        font-size: 12px;
        padding: 8px 14px;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 15px;
    }

    .hero-button {
        width: 100%;
        max-width: 300px;
    }


    .verification-section {
        padding: 35px 12px 50px;
        margin-top: -30px;
    }


    .verification-card {
        border-radius: 14px;
    }


    .verification-header {
        padding: 22px 18px;

        align-items: flex-start;
    }

    .header-icon {
        width: 48px;
        height: 48px;
        flex-basis: 48px;

        font-size: 20px;
    }

    .verification-header h2 {
        font-size: 18px;
        line-height: 1.35;
    }

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


    .verification-body {
        padding: 25px 18px;
    }


    .verification-description {
        font-size: 14px;
        margin-bottom: 25px;
    }


    .input-group-lg .form-control {
        min-height: 52px;
        font-size: 14px;
    }

    .input-group-lg .input-group-text {
        min-width: 50px;
    }


    .check-button {
        min-height: 52px;
    }


    .site-footer {
        padding: 30px 15px;
    }

}


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

@media (max-width: 380px) {

    .hero-content h1 {
        font-size: 1.9rem;
    }

    .verification-header {
        gap: 12px;
    }

    .verification-body {
        padding: 22px 15px;
    }

}