:root {
    --idero-blue-deep: #005890;
    --idero-blue: #106898;
    --idero-teal: #70c8d0;
    --idero-teal-strong: #48a0b8;
    --idero-ink: #0d2f45;
    --idero-muted: #557083;
    --idero-border: #d8e8ee;
    --idero-soft: #eef9fb;
    --idero-surface: #ffffff;
    --idero-background: #f4f9fb;
    --idero-danger: #c62828;
    --idero-success: #087a65;
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

.idero-registration-body {
    color: var(--idero-ink);
    font-family: "Inter", "Segoe UI", sans-serif;
    background:
        linear-gradient(180deg, rgba(112, 200, 208, 0.16), rgba(244, 249, 251, 0) 280px),
        var(--idero-background);
}

.idero-registration-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.idero-registration-header {
    padding: 12px 1rem;
    border-bottom: 1px solid rgba(0, 88, 144, 0.14);
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(10px);
}

.idero-registration-header__inner {
    width: min(1100px, calc(100% - 2rem));
    min-height: 68px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 18px;
}

.idero-registration-header__inner h1 {
    margin: 0;
    color: var(--idero-blue-deep);
    font-size: clamp(24px, 2.8vw, 36px);
    font-weight: 800;
    line-height: 1.08;
    text-align: center;
    letter-spacing: 0;
}

.idero-registration-brand {
    width: fit-content;
    display: flex;
    align-items: center;
    justify-self: start;
    color: var(--idero-blue-deep);
    text-decoration: none;
}

.idero-registration-brand:hover {
    color: var(--idero-blue);
}

.idero-registration-brand img {
    width: 68px;
    height: 68px;
    object-fit: contain;
}

.idero-registration-main {
    width: 100%;
    flex: 1;
    padding: 0 0 clamp(0px, 1vw, 10px);
}

.idero-registration-footer {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 18px;
    color: var(--idero-muted);
    font-size: 13px;
    border-top: 1px solid rgba(0, 88, 144, 0.12);
}

.idero-registration-footer span + span::before {
    content: "/";
    margin-right: 10px;
    color: var(--idero-teal-strong);
}

@media (max-width: 640px) {
    .idero-registration-header {
        padding: 14px 0;
    }

    .idero-registration-header__inner {
        width: calc(100% - 1.5rem);
        min-height: 64px;
        grid-template-columns: 54px minmax(0, 1fr) 54px;
        gap: 10px;
    }

    .idero-registration-header__inner h1 {
        font-size: 22px;
    }

    .idero-registration-brand img {
        width: 54px;
        height: 54px;
    }
}