/* Checkout page — tech commerce experience */

.checkout-tech {
    --checkout-bg: #f4f8ff;
    --checkout-surface: rgba(255, 255, 255, 0.82);
    --checkout-border: rgba(148, 163, 184, 0.28);
    --checkout-blue: #2563eb;
    --checkout-cyan: #06b6d4;
    --checkout-ink: #0f172a;
    --checkout-muted: #64748b;

    position: relative;
    isolation: isolate;
    min-height: 100vh;
    min-height: 100svh;
    padding-bottom: 5rem;
    color: var(--checkout-ink);
    background:
        radial-gradient(circle at 12% 8%, rgba(37, 99, 235, 0.18), transparent 28rem),
        radial-gradient(circle at 86% 0%, rgba(6, 182, 212, 0.18), transparent 26rem),
        linear-gradient(180deg, #eaf2ff 0%, var(--checkout-bg) 44%, #ffffff 100%);
}

.checkout-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.checkout-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37, 99, 235, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
    -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 72%);
}

.checkout-glow {
    position: absolute;
    border-radius: 999px;
    filter: blur(86px);
    opacity: 0.48;
}

.checkout-glow-a {
    top: 8rem;
    left: -8rem;
    width: 24rem;
    height: 24rem;
    background: rgba(37, 99, 235, 0.3);
}

.checkout-glow-b {
    top: 2rem;
    right: -10rem;
    width: 26rem;
    height: 26rem;
    background: rgba(6, 182, 212, 0.24);
}

.checkout-hero {
    padding: clamp(6rem, 10vw, 8rem) 0 3rem;
}

.checkout-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    padding: 0.45rem 0.9rem;
    border: 1px solid rgba(37, 99, 235, 0.22);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--checkout-blue);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.checkout-title {
    max-width: 760px;
    margin-bottom: 1rem;
    color: var(--checkout-ink);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
}

.checkout-subtitle {
    max-width: 660px;
    margin: 0;
    color: var(--checkout-muted);
    font-size: 1.08rem;
    line-height: 1.75;
}

.checkout-status {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.checkout-status > div {
    min-width: 0;
    padding: 1rem;
    border: 1px solid var(--checkout-border);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.75);
    box-shadow: 0 18px 40px -30px rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(12px);
}

.checkout-status strong,
.checkout-status span {
    display: block;
}

.checkout-status strong {
    color: var(--checkout-ink);
    font-size: 1.15rem;
    font-weight: 700;
}

.checkout-status span {
    color: var(--checkout-muted);
    font-size: 0.78rem;
    font-weight: 500;
}

.checkout-shell {
    position: relative;
}

.checkout-panel,
.checkout-summary {
    border: 1px solid var(--checkout-border);
    border-radius: 24px;
    background: var(--checkout-surface);
    box-shadow: 0 24px 60px -42px rgba(15, 23, 42, 0.55);
    backdrop-filter: blur(14px);
}

.checkout-panel {
    margin-bottom: 1.25rem;
    padding: clamp(1.25rem, 3vw, 2rem);
}

.checkout-section-head {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.35rem;
}

.checkout-section-head > span {
    flex: 0 0 auto;
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--checkout-blue), var(--checkout-cyan));
    color: #ffffff;
    font-weight: 600;
    box-shadow: 0 12px 24px -14px rgba(37, 99, 235, 0.9);
}

.checkout-section-head h2 {
    margin: 0 0 0.25rem;
    color: var(--checkout-ink);
    font-size: 1.18rem;
    font-weight: 700;
}

.checkout-section-head p {
    margin: 0;
    color: var(--checkout-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.checkout-label {
    display: block;
    margin-bottom: 0.45rem;
    color: #334155;
    font-size: 0.82rem;
    font-weight: 600;
}

.checkout-label .required-mark {
    color: #dc2626;
    font-weight: 700;
}

.checkout-input {
    width: 100%;
    min-height: 48px;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(203, 213, 225, 0.9);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--checkout-ink);
    font: inherit;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.checkout-input:focus {
    border-color: rgba(37, 99, 235, 0.72);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

.checkout-textarea {
    min-height: 132px;
    resize: vertical;
}

.checkout-summary {
    position: sticky;
    top: 6.5rem;
    padding: clamp(1.3rem, 3vw, 2rem);
    overflow: hidden;
}

.checkout-summary::before {
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
    content: "";
    background: linear-gradient(90deg, var(--checkout-cyan), var(--checkout-blue), #f97316);
}

.summary-head {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1rem;
}

.summary-icon {
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--checkout-cyan), var(--checkout-blue));
    color: #ffffff;
    font-size: 1.65rem;
    box-shadow: 0 16px 30px -18px rgba(37, 99, 235, 0.9);
}

.summary-head span {
    display: inline-block;
    margin-bottom: 0.2rem;
    color: var(--checkout-blue);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.summary-head h2 {
    margin: 0;
    color: var(--checkout-ink);
    font-size: 1.3rem;
    font-weight: 700;
}

.summary-desc {
    color: var(--checkout-muted);
    line-height: 1.7;
}

.summary-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-bottom: 1.25rem;
}

.summary-meta span {
    padding: 0.4rem 0.75rem;
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.06);
    color: #1d4ed8;
    font-size: 0.78rem;
    font-weight: 600;
}

.summary-features {
    list-style: none;
    margin: 0 0 1.25rem;
    padding: 1.2rem 0 0;
    border-top: 1px solid rgba(203, 213, 225, 0.75);
}

.summary-features li {
    display: flex;
    gap: 0.55rem;
    margin-bottom: 0.75rem;
    color: #334155;
    font-weight: 500;
}

.summary-features i {
    color: var(--checkout-blue);
}

.summary-total {
    margin: 1.2rem 0;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(15, 23, 42, 0.04);
}

.summary-row,
.summary-grand {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.summary-row {
    margin-bottom: 0.75rem;
    color: var(--checkout-muted);
    font-weight: 500;
}

.summary-grand {
    padding-top: 0.9rem;
    border-top: 1px solid rgba(148, 163, 184, 0.28);
}

.summary-grand span {
    color: var(--checkout-ink);
    font-weight: 600;
}

.summary-grand strong {
    color: var(--checkout-blue);
    font-size: clamp(1.35rem, 3vw, 1.8rem);
    font-weight: 700;
    white-space: nowrap;
}

.checkout-submit {
    width: 100%;
    min-height: 54px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border: 0;
    border-radius: 16px;
    background: #16a34a;
    color: #ffffff;
    font-weight: 600;
    /* box-shadow: 0 18px 34px -18px rgba(22, 163, 74, 0.9); */
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.checkout-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.04);
    box-shadow: 0 22px 40px -18px rgba(22, 163, 74, 1);
}

.checkout-submit:disabled {
    cursor: wait;
    opacity: 0.78;
}

.checkout-submit.is-loading i {
    animation: checkoutSpin 0.8s linear infinite;
}

.checkout-assurance {
    display: flex;
    gap: 0.55rem;
    margin-top: 1rem;
    color: var(--checkout-muted);
    font-size: 0.78rem;
    line-height: 1.5;
}

.checkout-assurance i {
    color: var(--checkout-blue);
}

.checkout-toast {
    max-width: 720px;
    margin-top: 1.5rem;
}

.checkout-alert {
    display: flex;
    gap: 0.85rem;
    padding: 1rem 1.15rem;
    border: 1px solid rgba(34, 197, 94, 0.24);
    border-radius: 18px;
    background: rgba(240, 253, 244, 0.92);
    color: #14532d;
    box-shadow: 0 16px 34px -28px rgba(22, 101, 52, 0.7);
}

.checkout-alert-error {
    border-color: rgba(239, 68, 68, 0.28);
    background: rgba(254, 242, 242, 0.94);
    color: #991b1b;
    box-shadow: 0 16px 34px -28px rgba(153, 27, 27, 0.7);
}

.checkout-alert i {
    font-size: 1.3rem;
}

.checkout-alert strong,
.checkout-alert span {
    display: block;
}

.checkout-alert span {
    color: #166534;
    font-size: 0.9rem;
}

.checkout-alert-error span {
    color: #991b1b;
}

@keyframes checkoutSpin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 991.98px) {
    .checkout-summary {
        position: static;
    }
}

@media (max-width: 575.98px) {
    .checkout-tech {
        padding-bottom: 3rem;
    }

    .checkout-status {
        grid-template-columns: 1fr;
    }

    .checkout-section-head {
        flex-direction: column;
    }

    .summary-row,
    .summary-grand {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.25rem;
    }
}