* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Segoe UI, Arial
}

body {
    background: #070914;
    color: white;
}

/* HEADER */
.checkout-header {
    padding: 24px 60px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    letter-spacing: 2px
}

/* WRAP */
.checkout {
    max-width: 1200px;
    margin: 50px auto;
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 50px;
}

/* STEPS */
.steps {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    color: #7f8ab2;
    font-size: 14px;
}

.steps b {
    color: white
}

/* CARD */
.card {
    background: #0f1324;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 18px;
}

.card h3 {
    margin-bottom: 14px;
}

/* INPUT */
.input {
    width: 100%;
    background: #070912;
    border: 1px solid rgba(255, 255, 255, .12);
    padding: 12px;
    border-radius: 8px;
    color: white;
}

/* PAYMENT METHODS */
.payments {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.pay {
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 10px;
    padding: 14px;
    text-align: center;
    cursor: pointer;
    transition: .2s;
    background: #0c1020;
}

.pay:hover {
    border-color: #5e402e;
    background: #13172b;
}

.pay.active {
    border-color: #c78b5f;
    box-shadow: 0 0 0 2px rgba(199, 139, 95, .25);
}

.pay img {
    height: 28px;
    margin-bottom: 6px;
}

/* RIGHT SUMMARY */
.summary {
    background: #0f1324;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 12px;
    padding: 24px;
    height: fit-content;
}

.row {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
    color: #b7c0e0;
}

.total {
    font-size: 24px;
    font-weight: 700;
    margin-top: 12px;
}

.btn {
    width: 100%;
    padding: 14px;
    margin-top: 20px;
    background: #5e402e;
    border: none;
    border-radius: 10px;
    color: white;
    font-weight: 600;
    cursor: pointer;
}

.btn:hover {
    background: #7a543d
}

/* MOBILE */
@media(max-width:900px) {
    .checkout {
        grid-template-columns: 1fr
    }
}

/* HERO PRODUCT */
.checkout-hero {
    position: relative;
    height: 220px;
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

/* wallpaper */
.hero-bg {
    position: absolute;
    inset: 0;
    background: url("../images/A_massive_underground_volcanic_Nano_Banana_Pro_19160.jpg") center/cover no-repeat;
    filter: blur(6px) brightness(.35);
    transform: scale(1.08);
}

/* overlay biar readable */
.checkout-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(7, 9, 20, .2), #070914 90%);
}

/* content */
.hero-inner {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 60px;
}

.hero-thumb {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 14px;
    border: 2px solid rgba(255, 255, 255, .15);
}

.hero-info h1 {
    font-size: 32px;
    margin-bottom: 6px;
}

.hero-meta {
    color: #9aa3c7;
    margin-bottom: 12px;
}

.hero-badges span {
    background: #141a33;
    padding: 6px 12px;
    border-radius: 8px;
    margin-right: 8px;
    font-size: 13px;
    color: #cdd3f5;
}