* {
    box-sizing: border-box;
}

:root {
    --bg: #090707;
    --card: #17100e;
    --card-2: #22120d;
    --orange: #ff7300;
    --orange-light: #ff9d00;
    --red: #ff2d2d;
    --red-dark: #a70000;
    --yellow: #ffd65a;
    --text: #ffffff;
    --muted: #c7bdb8;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at 50% -10%, rgba(255, 91, 0, .32), transparent 35%),
        radial-gradient(circle at 100% 30%, rgba(255, 0, 0, .12), transparent 30%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.page {
    width: 100%;
    max-width: 520px;
    margin: auto;
    padding: 14px 14px 100px;
}

.navbar {
    position: sticky;
    top: 10px;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 17px;
    margin-bottom: 14px;

    background: rgba(26, 12, 8, .86);
    border: 1px solid rgba(255, 120, 0, .35);
    backdrop-filter: blur(15px);

    border-radius: 24px;

    box-shadow:
        0 15px 40px rgba(0, 0, 0, .35),
        inset 0 1px 0 rgba(255,255,255,.05);
}

.logo {
    font-size: 20px;
    font-weight: 900;
}

.logo span {
    color: var(--orange);
}

.nav-btn {
    border: 1px solid rgba(255,255,255,.12);
    color: white;
    background: rgba(255,255,255,.07);
    padding: 11px 16px;
    border-radius: 15px;
    font-weight: 800;
}

.hero {
    overflow: hidden;
    position: relative;

    background:
        linear-gradient(
            145deg,
            rgba(255, 97, 0, .24),
            rgba(120, 0, 0, .17)
        ),
        #15100f;

    border: 1px solid rgba(255, 112, 0, .3);
    border-radius: 30px;
    padding: 30px 22px;

    box-shadow:
        0 25px 80px rgba(255, 65, 0, .13);
}

.hero::before {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 76, 0, .14);
    filter: blur(8px);
    top: -80px;
    right: -70px;
}

.badge {
    display: inline-block;
    padding: 8px 12px;

    border-radius: 99px;

    background: rgba(255, 113, 0, .12);
    border: 1px solid rgba(255, 128, 0, .35);

    color: #ffc06b;
    font-size: 12px;
    font-weight: 800;
}

.hero h1 {
    font-size: 34px;
    line-height: 1.08;
    margin: 18px 0 12px;
}

.hero h1 span {
    background: linear-gradient(90deg, #ffb000, #ff4d00, #ff3333);
    -webkit-background-clip: text;
    color: transparent;
}

.hero p {
    color: var(--muted);
    line-height: 1.6;
    font-size: 14px;
}

.prize-card {
    margin-top: 22px;
    padding: 22px;

    background:
        linear-gradient(135deg, #ff7b00, #e82200 55%, #980000);

    border-radius: 25px;

    box-shadow:
        0 18px 50px rgba(255, 62, 0, .28);
}

.prize-card small {
    opacity: .85;
}

.prize-card h2 {
    margin: 7px 0 0;
    font-size: 27px;
}

.price {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,.2);
}

.price strong {
    font-size: 29px;
    color: var(--yellow);
}

.section {
    margin-top: 15px;
    padding: 22px;

    background:
        linear-gradient(
            145deg,
            rgba(255, 107, 0, .09),
            rgba(255, 30, 0, .035)
        ),
        var(--card);

    border: 1px solid rgba(255, 110, 0, .18);
    border-radius: 25px;
}

.section h2 {
    margin-top: 0;
    font-size: 22px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 7px;
    color: #f4dfd6;
    font-size: 13px;
    font-weight: 700;
}

input,
select {
    width: 100%;
    padding: 15px 16px;

    background: #100c0b;
    color: white;

    border: 1px solid rgba(255,255,255,.11);
    border-radius: 15px;

    outline: none;
    font-size: 15px;
}

input:focus,
select:focus {
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(255, 115, 0, .1);
}

.btn-primary {
    display: block;
    width: 100%;
    border: 0;
    cursor: pointer;

    padding: 17px;

    border-radius: 17px;

    background:
        linear-gradient(
            90deg,
            #ff8a00,
            #ff4900,
            #ef1f1f
        );

    color: white;

    text-align: center;
    text-decoration: none;

    font-size: 15px;
    font-weight: 900;

    box-shadow:
        0 15px 35px rgba(255, 57, 0, .25);
}

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

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 9px;
}

.step {
    padding: 15px 9px;
    background: rgba(255,255,255,.04);
    border-radius: 17px;
    text-align: center;
    font-size: 12px;
    color: var(--muted);
}

.step span {
    display: flex;
    justify-content: center;
    align-items: center;

    width: 38px;
    height: 38px;
    margin: auto auto 9px;

    border-radius: 13px;

    background:
        linear-gradient(135deg, var(--orange), var(--red));

    color: white;
    font-size: 16px;
    font-weight: 900;
}

.notice {
    padding: 14px;
    border-radius: 15px;
    background: rgba(255, 150, 0, .08);
    border: 1px solid rgba(255, 150, 0, .18);
    color: #ffd6a1;
    font-size: 13px;
    line-height: 1.6;
}

.order-code {
    font-size: 22px;
    font-weight: 900;
    color: var(--yellow);
    word-break: break-word;
}

.coupon {
    margin-top: 10px;
    padding: 15px;

    background: #100b09;

    border: 1px dashed rgba(255, 135, 0, .55);
    border-radius: 15px;

    color: #ffc560;
    text-align: center;

    font-size: 20px;
    font-weight: 900;
}

@media (min-width: 768px) {
    .page {
        max-width: 760px;
    }

    .hero h1 {
        font-size: 44px;
    }
}