:root {
    --navy-900: #000D27;
    --navy-800: #050D3B;
    --navy-700: #07174A;
    --blue-glow: #0449D4;
    --orange: #FF4500;
    --orange-dark: #E03C00;
    --white: #FFFFFF;
    --text: #050D3B;
    --border: #D9DCE6;
    --placeholder: #A3A8BC;
    --error: #B42318;
    --error-bg: #FEF3F2;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 48px 16px;
    color: var(--text);
    background-color: var(--navy-800);
    background-image:
        radial-gradient(70% 45% at 85% 0%, rgba(4, 73, 212, 0.55) 0%, rgba(4, 73, 212, 0) 70%),
        radial-gradient(55% 40% at 5% 15%, rgba(4, 73, 212, 0.30) 0%, rgba(4, 73, 212, 0) 70%),
        linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 55%);
    background-attachment: fixed;
}

.page {
    width: 100%;
    max-width: 460px;
}

.hero {
    text-align: center;
    color: var(--white);
    margin-bottom: 32px;
}

.hero__logo {
    display: block;
    width: 136px;
    height: auto;
    margin: 0 auto 24px;
}

.hero__eyebrow {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.22em;
    text-transform: uppercase;
}

.hero__divider {
    display: block;
    width: 32px;
    height: 2px;
    margin: 18px auto;
    background-color: var(--orange);
}

.hero__title {
    font-size: 34px;
    line-height: 1.1;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.card {
    background-color: var(--white);
    padding: 36px 32px;
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 5, 30, 0.45);
}

.alert {
    padding: 16px 18px;
    border-left: 4px solid var(--orange);
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    line-height: 1.5;
}

.alert--success {
    background-color: var(--navy-700);
    color: var(--white);
}

.alert--error {
    background-color: var(--error-bg);
    border-left-color: var(--error);
    color: var(--error);
}

.alert__list {
    list-style: none;
}

.form__group {
    margin-bottom: 20px;
    border: 0;
    min-width: 0;
}

.form__label {
    display: block;
    margin-bottom: 8px;
    padding: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.form__input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    color: var(--text);
    background-color: var(--white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form__input::placeholder {
    color: var(--placeholder);
}

.form__input:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255, 69, 0, 0.15);
    outline: none;
}

.form__options {
    display: flex;
    gap: 12px;
}

.form__option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.form__option:hover {
    border-color: var(--navy-700);
}

.form__option:has(.form__radio:checked) {
    background-color: var(--navy-700);
    border-color: var(--navy-700);
    color: var(--white);
}

.form__radio {
    accent-color: var(--orange);
}

.form__submit {
    width: 100%;
    padding: 15px;
    margin-top: 8px;
    background-color: var(--orange);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.form__submit:hover {
    background-color: var(--orange-dark);
}

.form__submit:active {
    transform: translateY(1px);
}

.form__submit:focus-visible {
    outline: 3px solid rgba(255, 69, 0, 0.35);
    outline-offset: 2px;
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 28px;
    }

    .card {
        padding: 28px 20px;
    }
}