/* ============================================================
   REGISTRATION SECTION
============================================================ */

:root {
    --tb-primary: #6f20b5;
    --tb-primary-dark: #4d167f;
    --tb-primary-light: #8f42d0;

    --tb-purple-soft: #f3eaff;
    --tb-purple-light: #eee5ff;
    --tb-purple-border: #e3d4f8;

    --tb-heading: #111936;
    --tb-text: #252b40;
    --tb-muted: #62687a;

    --tb-white: #ffffff;

    --tb-card-shadow:
        0 18px 45px rgba(93, 42, 145, 0.10);

    --tb-card-shadow-hover:
        0 25px 55px rgba(93, 42, 145, 0.17);

    --tb-radius: 28px;
}


/* ============================================================
   MAIN SECTION
============================================================ */

.tb-registration {

    position: relative;

    width: 100%;

    padding:
        100px 20px
        110px;

    overflow: hidden;

    background:
        radial-gradient(
            circle at 12% 20%,
            rgba(190, 155, 255, 0.16),
            transparent 25%
        ),
        radial-gradient(
            circle at 88% 25%,
            rgba(207, 180, 255, 0.14),
            transparent 28%
        ),
        linear-gradient(
            180deg,
            #ffffff 0%,
            #faf8ff 58%,
            #f3ecff 100%
        );

    color: var(--tb-text);
}


/* ============================================================
   CONTAINER
============================================================ */

.tb-registration-container {

    position: relative;

    z-index: 5;

    width: 100%;

    max-width: 1280px;

    margin: 0 auto;
}


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

.tb-registration-header {

    position: relative;

    text-align: center;

    margin-bottom: 55px;
}


/* ============================================================
   EYEBROW
============================================================ */

.tb-registration-eyebrow {

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 18px;

    margin-bottom: 12px;

    color: var(--tb-primary);

    font-size: 15px;

    font-weight: 700;

    letter-spacing: 5px;

    text-transform: uppercase;
}


/* Lines beside Registration */

.tb-registration-eyebrow span {

    display: block;

    width: 55px;

    height: 2px;

    background:
        linear-gradient(
            90deg,
            transparent,
            var(--tb-primary)
        );

    border-radius: 10px;
}


.tb-registration-eyebrow span:last-child {

    background:
        linear-gradient(
            90deg,
            var(--tb-primary),
            transparent
        );
}


/* ============================================================
   MAIN HEADING
============================================================ */

.tb-registration-header h2 {

    margin: 0;

    color: var(--tb-heading);

    font-size: clamp(
        44px,
        5vw,
        68px
    );

    line-height: 1.05;

    font-weight: 800;

    letter-spacing: -2px;
}


/* ============================================================
   HEADING UNDERLINE
============================================================ */

.tb-registration-line {

    width: 145px;

    height: 5px;

    margin:
        22px auto
        25px;

    border-radius: 10px;

    background:
        linear-gradient(
            90deg,
            var(--tb-primary-dark),
            var(--tb-primary-light)
        );

    box-shadow:
        0 5px 18px
        rgba(111, 32, 181, 0.18);
}


/* ============================================================
   EARLY BIRD DEADLINE
============================================================ */

.tb-registration-deadline {

    display: inline-flex;

    align-items: center;

    justify-content: center;

    gap: 8px;

    margin: 0;

    padding:
        14px 30px;

    border-radius: 50px;

    color: var(--tb-heading);

    background:
        linear-gradient(
            100deg,
            #f2eaff,
            #f8f2ff
        );

    border:
        1px solid
        rgba(111, 32, 181, 0.06);

    box-shadow:
        0 8px 25px
        rgba(103, 43, 153, 0.06);

    font-size: 18px;

    font-weight: 500;
}


.tb-registration-deadline strong {

    color: var(--tb-primary);

    font-weight: 800;

    margin-left: 3px;
}


/* ============================================================
   REGISTRATION GRID
============================================================ */

.tb-registration-grid {

    display: grid;

    grid-template-columns:
        repeat(3, minmax(0, 1fr));

    gap: 36px;

    align-items: stretch;
}


/* ============================================================
   REGISTRATION CARD
============================================================ */

.tb-registration-card {

    position: relative;

    display: flex;

    flex-direction: column;

    min-height: 505px;

    overflow: hidden;

    padding:
        30px 30px
        28px;

    border:
        1px solid
        rgba(111, 32, 181, 0.08);

    border-radius:
        var(--tb-radius);

    background:
        rgba(255, 255, 255, 0.94);

    box-shadow:
        var(--tb-card-shadow);

    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease,
        border-color 0.35s ease;
}


/* ============================================================
   SOFT CARD TOP BACKGROUND
============================================================ */

.tb-registration-card::before {

    content: "";

    position: absolute;

    top: 0;
    left: 0;

    width: 100%;

    height: 155px;

    background:
        linear-gradient(
            135deg,
            rgba(232, 224, 255, 0.92),
            rgba(248, 237, 255, 0.90)
        );

    border-radius:
        0 0 65% 25%;

    pointer-events: none;
}


/* Decorative curved highlight */

.tb-registration-card::after {

    content: "";

    position: absolute;

    top: 105px;

    right: -60px;

    width: 220px;

    height: 90px;

    border-radius: 50%;

    background:
        rgba(173, 116, 231, 0.08);

    transform: rotate(-10deg);

    pointer-events: none;
}


/* ============================================================
   HOVER
============================================================ */

.tb-registration-card:hover {

    transform:
        translateY(-10px);

    box-shadow:
        var(--tb-card-shadow-hover);

    border-color:
        rgba(111, 32, 181, 0.16);
}


/* ============================================================
   CARD TOP
============================================================ */

.tb-card-top {

    position: relative;

    z-index: 2;

    display: flex;

    align-items: center;

    gap: 22px;

    min-height: 125px;
}


/* ============================================================
   REGISTRATION ICON
============================================================ */

.tb-registration-icon {

    flex:
        0 0 92px;

    width: 92px;

    height: 92px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    color: #ffffff;

    font-size: 34px;

    background:
        linear-gradient(
            145deg,
            var(--tb-primary-dark),
            var(--tb-primary-light)
        );

    border:
        8px solid
        rgba(255, 255, 255, 0.82);

    box-shadow:
        0 10px 25px
        rgba(99, 31, 157, 0.25),

        inset 0 0 0 1px
        rgba(255, 255, 255, 0.2);

    transition:
        transform 0.35s ease;
}


.tb-registration-card:hover
.tb-registration-icon {

    transform:
        scale(1.06)
        rotate(-3deg);
}


/* ============================================================
   CARD TITLE
============================================================ */

.tb-card-top h3 {

    margin: 0 0 6px;

    color: var(--tb-heading);

    font-size: 27px;

    line-height: 1.1;

    font-weight: 800;
}


/* ============================================================
   PRICE
============================================================ */

.tb-price {

    display: flex;

    align-items: baseline;

    gap: 8px;
}


.tb-price span {

    color: var(--tb-primary);

    font-size: 38px;

    line-height: 1;

    font-weight: 800;

    letter-spacing: -1px;
}


.tb-price small {

    color: var(--tb-muted);

    font-size: 14px;

    font-weight: 600;

    letter-spacing: 1px;

    text-transform: uppercase;
}


/* ============================================================
   CARD DIVIDER
============================================================ */

.tb-card-divider {

    position: relative;

    z-index: 2;

    width: 100%;

    height: 1px;

    margin:
        15px 0
        20px;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(111, 32, 181, 0.18),
            transparent
        );
}


/* ============================================================
   FEATURES
============================================================ */

.tb-registration-features {

    position: relative;

    z-index: 2;

    display: flex;

    flex-direction: column;

    gap: 17px;

    margin: 0;

    padding: 0;

    list-style: none;
}


.tb-registration-features li {

    display: flex;

    align-items: center;

    gap: 14px;

    color: var(--tb-text);

    font-size: 15.5px;

    line-height: 1.45;

    font-weight: 500;
}


/* ============================================================
   FEATURE CHECK ICON
============================================================ */

.tb-registration-features li i {

    flex:
        0 0 34px;

    width: 34px;

    height: 34px;

    display: flex;

    align-items: center;

    justify-content: center;

    border-radius: 50%;

    color: var(--tb-primary-dark);

    background:
        linear-gradient(
            145deg,
            #eee2ff,
            #f6edff
        );

    font-size: 13px;

    box-shadow:
        0 4px 12px
        rgba(111, 32, 181, 0.06);
}


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

.tb-register-card-btn {

    position: relative;

    z-index: 2;

    display: flex;

    align-items: center;

    justify-content: center;

    gap: 16px;

    width: 100%;

    min-height: 58px;

    margin-top: auto;

    padding:
        14px 22px;

    border-radius: 15px;

    color: #ffffff !important;

    background:
        linear-gradient(
            135deg,
            var(--tb-primary),
            #9948d5
        );

    box-shadow:
        0 10px 24px
        rgba(105, 31, 165, 0.20);

    font-size: 17px;

    font-weight: 700;

    text-align: center;

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        background 0.3s ease;
}


.tb-register-card-btn i {

    font-size: 16px;

    transition:
        transform 0.3s ease;
}


.tb-register-card-btn:hover {

    color: #ffffff !important;

    transform:
        translateY(-3px);

    background:
        linear-gradient(
            135deg,
            var(--tb-primary-dark),
            var(--tb-primary)
        );

    box-shadow:
        0 15px 30px
        rgba(105, 31, 165, 0.28);
}


.tb-register-card-btn:hover i {

    transform:
        translateX(5px);
}


/* ============================================================
   BOTTOM MESSAGE
============================================================ */

.tb-registration-bottom {

    position: relative;

    z-index: 3;

    min-height: 20px;
}


/* ============================================================
   DECORATIVE MOLECULES
============================================================ */

.tb-reg-molecule {

    position: absolute;

    width: 230px;

    height: 230px;

    opacity: 0.16;

    border-radius: 50%;

    pointer-events: none;
}


/* Left molecule */

.tb-reg-molecule-left {

    top: 30px;

    left: -80px;

    background:
        radial-gradient(
            circle at 25% 25%,
            #8f55cf 0 12px,
            transparent 13px
        ),
        radial-gradient(
            circle at 65% 40%,
            #a87ada 0 18px,
            transparent 19px
        ),
        radial-gradient(
            circle at 45% 75%,
            #7d3bb9 0 14px,
            transparent 15px
        );

    filter: blur(0.2px);
}


/* Right molecule */

.tb-reg-molecule-right {

    top: 70px;

    right: -100px;

    background:
        radial-gradient(
            circle at 25% 25%,
            #9c65d4 0 13px,
            transparent 14px
        ),
        radial-gradient(
            circle at 70% 55%,
            #b88ce4 0 19px,
            transparent 20px
        ),
        radial-gradient(
            circle at 45% 80%,
            #7934b2 0 12px,
            transparent 13px
        );
}


/* ============================================================
   DOT PATTERNS
============================================================ */

.tb-reg-dots {

    position: absolute;

    width: 120px;

    height: 120px;

    opacity: 0.35;

    background-image:
        radial-gradient(
            circle,
            rgba(119, 66, 184, 0.35) 3px,
            transparent 3px
        );

    background-size: 22px 22px;

    pointer-events: none;
}


.tb-reg-dots-left {

    top: 190px;

    left: 35px;
}


.tb-reg-dots-right {

    top: 270px;

    right: 35px;
}


/* ============================================================
   DNA DECORATION
============================================================ */

.tb-reg-dna {

    position: absolute;

    top: 0;

    right: 30px;

    width: 150px;

    height: 310px;

    opacity: 0.08;

    transform:
        rotate(15deg);

    pointer-events: none;
}


.tb-dna-line {

    position: absolute;

    width: 150px;

    height: 45px;

    border:
        5px solid
        var(--tb-primary);

    border-left-color: transparent;

    border-right-color: transparent;

    border-radius: 50%;
}


.tb-dna-line:nth-child(1) {
    top: 0;
}

.tb-dna-line:nth-child(2) {
    top: 48px;
}

.tb-dna-line:nth-child(3) {
    top: 96px;
}

.tb-dna-line:nth-child(4) {
    top: 144px;
}

.tb-dna-line:nth-child(5) {
    top: 192px;
}

.tb-dna-line:nth-child(6) {
    top: 240px;
}


/* ============================================================
   BOTTOM WAVE
============================================================ */

.tb-registration-wave {

    position: absolute;

    left: -5%;

    bottom: -100px;

    width: 110%;

    height: 190px;

    background:
        linear-gradient(
            175deg,
            transparent 35%,
            rgba(195, 164, 250, 0.35) 36%,
            rgba(195, 164, 250, 0.35) 54%,
            rgba(151, 94, 213, 0.25) 55%,
            rgba(151, 94, 213, 0.25) 75%,
            rgba(121, 52, 179, 0.18) 76%
        );

    border-radius:
        50% 50% 0 0 / 35% 35% 0 0;

    pointer-events: none;
}


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

@media (max-width: 1100px) {

    .tb-registration {

        padding:
            85px 25px
            100px;
    }


    .tb-registration-grid {

        gap: 24px;
    }


    .tb-registration-card {

        padding:
            25px 22px
            25px;
    }


    .tb-card-top {

        gap: 15px;
    }


    .tb-registration-icon {

        flex-basis: 78px;

        width: 78px;

        height: 78px;

        font-size: 29px;
    }


    .tb-card-top h3 {

        font-size: 23px;
    }


    .tb-price span {

        font-size: 32px;
    }


    .tb-registration-features li {

        font-size: 14px;
    }

}


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

@media (max-width: 800px) {

    .tb-registration {

        padding:
            75px 20px
            90px;
    }


    .tb-registration-header {

        margin-bottom: 40px;
    }


    .tb-registration-eyebrow {

        gap: 10px;

        font-size: 12px;

        letter-spacing: 3px;
    }


    .tb-registration-eyebrow span {

        width: 35px;
    }


    .tb-registration-header h2 {

        font-size: 45px;

        letter-spacing: -1.5px;
    }


    .tb-registration-deadline {

        max-width: 100%;

        padding:
            13px 18px;

        font-size: 15px;

        line-height: 1.5;

        flex-wrap: wrap;
    }


    .tb-registration-grid {

        grid-template-columns: 1fr;

        max-width: 540px;

        margin:
            0 auto;

        gap: 25px;
    }


    .tb-registration-card {

        min-height: 470px;
    }


    .tb-reg-dna {

        right: -50px;

        opacity: 0.05;
    }


    .tb-reg-molecule-left {

        left: -130px;
    }


    .tb-reg-molecule-right {

        right: -140px;
    }

}


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

@media (max-width: 480px) {

    .tb-registration {

        padding:
            65px 15px
            80px;
    }


    .tb-registration-header h2 {

        font-size: 38px;
    }


    .tb-registration-line {

        width: 110px;

        height: 4px;
    }


    .tb-registration-deadline {

        font-size: 14px;

        padding:
            12px 15px;
    }


    .tb-card-top {

        min-height: 105px;
    }


    .tb-registration-icon {

        flex-basis: 70px;

        width: 70px;

        height: 70px;

        border-width: 6px;

        font-size: 25px;
    }


    .tb-card-top h3 {

        font-size: 21px;
    }


    .tb-price span {

        font-size: 30px;
    }


    .tb-price small {

        font-size: 12px;
    }


    .tb-registration-features {

        gap: 14px;
    }


    .tb-registration-features li {

        font-size: 14px;

        gap: 11px;
    }


    .tb-registration-features li i {

        flex-basis: 30px;

        width: 30px;

        height: 30px;

        font-size: 11px;
    }


    .tb-register-card-btn {

        min-height: 54px;

        font-size: 16px;
    }


    .tb-registration-card {

        border-radius: 23px;
    }

}