:root {
    /* Brand palette (from your logo) */
    --dbt-black: #000000;
    --dbt-white: #FAFAFA;
    --dbt-blue: #69C4F3; /* BOOKING blue */
    --dbt-slate: #627379; /* mid slate */
    --dbt-dslate: #353D41; /* dark slate */
    --dbt-gray: #B4B4B4;
    --radius: 16px;
    --pad: 24px;
    --shadow: 0 10px 30px rgba(0,0,0,.15);
    --focus: 0 0 0 3px rgba(105,196,243,.45);
}

/* Base */
* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--dbt-black);
    color: var(--dbt-white);
}

/* Shell */
.page-container {
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr 1.15fr; /* ~45% / 55% */
}

/* Left panel */
.left-panel {
    background: var(--dbt-black);
    padding: clamp(24px,4vw,48px);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

    .left-panel .logo {
        height: 100px;
        width: 200px;
        display: block;
        margin-bottom: 12px;
    }

    .left-panel h1 {
        margin: .75rem 0 0;
        font-size: clamp(28px,3.2vw,40px);
        color: var(--dbt-white);
        letter-spacing: .2px;
    }

    .left-panel p {
        color: #cfd6da;
        margin: .25rem 0 0;
    }

.checklist {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 14px;
    max-width: 36ch;
}

    .checklist li {
        color: #d9e1e4;
        padding-left: 28px;
        position: relative;
    }

        .checklist li::before {
            content: "";
            position: absolute;
            left: 0;
            top: .5rem;
            width: 12px;
            height: 12px;
            border-radius: 3px;
            background: var(--dbt-blue);
        }

.powered {
    margin-top: auto;
    color: #a6b1b6;
    font-style: italic;
}

/* Right panel */
.right-panel {
    background: #fff;
    color: #1d2328;
    padding: clamp(24px,4vw,56px);
    border-top-left-radius: var(--radius);
    box-shadow: var(--shadow);
}

    .right-panel h2 {
        margin: 0 0 .35rem;
        color: var(--dbt-dslate);
        font-size: clamp(20px,2.2vw,28px);
    }

    .right-panel .subtext {
        margin: 0 0 1rem;
        color: #4b5960;
    }

/* Form */
form {
    display: grid;
    gap: 18px;
    max-width: 560px;
}

label {
    font-weight: 600;
    color: var(--dbt-dslate);
}

.required {
    color: #c43d3d;
    margin-left: 2px;
}

input[type="text"], input[type="url"], select {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid #e1e6e9;
    border-radius: 12px;
    font-size: 16px;
    background: #fff;
    outline: none;
}

    input:focus, select:focus {
        border-color: var(--dbt-blue);
        box-shadow: var(--focus);
    }

/* Radio toggle */
.radio-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 8px;
}

    .radio-group input {
        display: none;
    }

    .radio-group label {
        display: inline-block;
        text-align: center;
        padding: 12px;
        border: 1px solid #e1e6e9;
        border-radius: 12px;
        cursor: pointer;
        user-select: none;
        color: #0f2833;
    }

    .radio-group input:checked + label {
        border-color: var(--dbt-blue);
        background: rgba(105,196,243,.10);
        color: #0f3f54;
        font-weight: 700;
    }

/* Button */
.btn-next {
    margin-top: 8px;
    padding: 14px 18px;
    border-radius: 12px;
    border: 0;
    cursor: pointer;
    background: linear-gradient(180deg, var(--dbt-blue), #4fb3e3);
    color: #00202c;
    font-weight: 800;
    letter-spacing: .2px;
    box-shadow: 0 8px 18px rgba(105,196,243,.45);
}

    .btn-next:hover {
        transform: translateY(-1px);
    }

    .btn-next:active {
        transform: translateY(0);
    }



/* Make intl-tel-input wrapper full width */
.iti {
    width: 100%;
    display: flex;
    align-items: center;
}

    /* Match phone input style with your other inputs */
input[type="email"] {
    width: 100%;
    padding: 14px 12px;
    border: 1px solid #e1e6e9;
    border-radius: 12px;
    font-size: 16px;
    background: #fff;
    outline: none;
    box-sizing: border-box;
}
    .iti input[type="tel"] {
        width: 100%;
        padding: 14px 12px 14px 52px; /* space for flag */
        border: 1px solid #e1e6e9;
        border-radius: 12px;
        font-size: 16px;
        background: #fff;
        outline: none;
        box-sizing: border-box;
    }

/* Style the flag dropdown to blend with input */
.iti__flag-container {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 0 8px;
    border-top-left-radius: 12px;
    border-bottom-left-radius: 12px;
    border: 1px solid #e1e6e9;
    border-right: none;
    background: #fff;
    box-sizing: border-box;
}

/* Focus state */
.iti input[type="tel"]:focus {
    border-color: var(--dbt-blue);
    box-shadow: var(--focus);
}




/* Mobile */
@media (max-width: 980px) {
    .page-container {
        grid-template-columns: 1fr;
    }

    .right-panel {
        border-top-right-radius: 24px;
    }
}