* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: Arial, Helvetica, sans-serif;
    color: #ffffff;
    background: #130b0b;
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea {
    font: inherit;
}

.page {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.page__bg {
    position: fixed;
    inset: 0;
    background:
        linear-gradient(120deg, rgba(24, 8, 8, 0.68), rgba(10, 4, 4, 0.88)),
        url("/img/bg-1.jpg") center / cover no-repeat;
    transform: scale(1.03);
    z-index: -3;
}

.page__overlay {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 22% 28%, rgba(168, 38, 38, 0.38), transparent 34%),
        radial-gradient(circle at 82% 75%, rgba(255, 255, 255, 0.12), transparent 30%),
        rgba(0, 0, 0, 0.3);
    z-index: -2;
}

.age-badge {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border: 1px solid rgba(255, 255, 255, 0.42);
    border-radius: 50%;
    background: rgba(20, 8, 8, 0.62);
    backdrop-filter: blur(18px);
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.03em;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.hero {
    position: relative;
    z-index: 1;
    width: min(1180px, calc(100% - 40px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 96px 0 64px;
    display: grid;
    grid-template-columns: 1fr 430px;
    align-items: center;
    gap: 42px;
}

.hero__content {
    max-width: 720px;
}

.hero__label {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero__title {
    margin: 28px 0 20px;
    max-width: 760px;
    font-size: clamp(42px, 6vw, 82px);
    line-height: 0.95;
    letter-spacing: -0.065em;
}

.hero__text {
    max-width: 620px;
    margin: 0 0 16px;
    font-size: clamp(17px, 1.7vw, 22px);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}

.hero__notice {
    max-width: 680px;
    margin-top: 28px;
    padding: 20px 22px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(18px);
    font-size: 16px;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.18);
}

.hero__notice strong {
    display: block;
    margin-bottom: 4px;
    color: #ffffff;
    font-size: 18px;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    margin-top: 30px;
}

.hero__button,
.callback-form__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    padding: 0 28px;
    border: 0;
    border-radius: 999px;
    background: #ffffff;
    color: #190b0b;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.hero__button:hover,
.callback-form__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 28px 74px rgba(0, 0, 0, 0.34);
}

.hero__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 56px;
    padding: 0 24px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    color: #ffffff;
    font-weight: 700;
    transition: transform 0.2s ease, background 0.2s ease;
}

.hero__link:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.16);
}

.callback-card {
    width: 100%;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 34px;
    background: rgba(22, 10, 10, 0.58);
    backdrop-filter: blur(28px);
    box-shadow: 0 30px 100px rgba(0, 0, 0, 0.36);
}

.callback-card__head {
    margin-bottom: 24px;
}

.callback-card__label {
    margin: 0 0 10px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.callback-card__title {
    margin: 0 0 10px;
    font-size: 34px;
    line-height: 1;
    letter-spacing: -0.04em;
}

.callback-card__text {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    line-height: 1.5;
}

.callback-form {
    display: grid;
    gap: 14px;
}

.field {
    display: grid;
    gap: 8px;
}

.field span {
    color: rgba(255, 255, 255, 0.68);
    font-size: 13px;
    font-weight: 700;
}

.field input,
.field textarea {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 18px;
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    transition: border 0.2s ease, background 0.2s ease;
}

.field input {
    height: 54px;
    padding: 0 16px;
}

.field textarea {
    resize: vertical;
    min-height: 108px;
    padding: 15px 16px;
}

.field input::placeholder,
.field textarea::placeholder {
    color: rgba(255, 255, 255, 0.42);
}

.field input:focus,
.field textarea:focus {
    border-color: rgba(255, 255, 255, 0.46);
    background: rgba(255, 255, 255, 0.14);
}

.agree {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 13px;
    line-height: 1.4;
}

.agree input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: #ffffff;
    flex: 0 0 auto;
}

.callback-form__button {
    width: 100%;
    margin-top: 4px;
}

.callback-form__button:disabled {
    cursor: not-allowed;
    opacity: 0.68;
    transform: none;
}

.form-message {
    padding: 13px 15px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.45;
    background: rgba(255, 255, 255, 0.1);
}

.form-message--success {
    margin-bottom: 16px;
    border: 1px solid rgba(155, 255, 188, 0.28);
    color: #d8ffe4;
}

.form-message--error {
    margin-bottom: 16px;
    border: 1px solid rgba(255, 155, 155, 0.32);
    color: #ffd6d6;
}

.form-message.is-success {
    border: 1px solid rgba(155, 255, 188, 0.28);
    color: #d8ffe4;
}

.form-message.is-error {
    border: 1px solid rgba(255, 155, 155, 0.32);
    color: #ffd6d6;
}

.contacts {
    display: grid;
    gap: 9px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.contacts a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    line-height: 1.35;
    transition: color 0.2s ease;
}

.contacts a:hover {
    color: #ffffff;
}

@media (max-width: 980px) {
    .hero {
        grid-template-columns: 1fr;
        align-items: flex-start;
        padding-top: 100px;
        gap: 34px;
    }

    .hero__content {
        max-width: 100%;
    }

    .callback-card {
        max-width: 620px;
    }
}

@media (max-width: 640px) {
    .hero {
        width: min(100% - 28px, 1180px);
        padding: 92px 0 34px;
    }

    .age-badge {
        top: 16px;
        right: 16px;
        width: 50px;
        height: 50px;
        font-size: 16px;
    }

    .hero__label {
        min-height: 36px;
        padding: 0 13px;
        font-size: 12px;
    }

    .hero__title {
        margin-top: 22px;
        font-size: 44px;
    }

    .hero__text {
        font-size: 16px;
    }

    .hero__notice {
        padding: 18px;
        border-radius: 20px;
        font-size: 14px;
    }

    .hero__actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .hero__button,
    .hero__link {
        width: 100%;
    }

    .callback-card {
        padding: 22px;
        border-radius: 26px;
    }

    .callback-card__title {
        font-size: 28px;
    }
}

@media (max-width: 390px) {
    .hero__title {
        font-size: 38px;
    }

    .callback-card {
        padding: 18px;
    }
}