/* 1C development page */

.onec-hero h1 {
    max-width: 1220px;
}

.onec-intro {
    align-items: stretch;
}

.onec-intro .intro-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.onec-side {
    position: relative;
    overflow: hidden;
    min-height: 430px;
    padding: 40px;
    color: #fff;
    background:
        radial-gradient(circle at 78% 18%, rgba(253, 91, 3, 0.62), transparent 28%),
        radial-gradient(circle at 96% 78%, rgba(40, 223, 255, 0.28), transparent 28%),
        linear-gradient(135deg, #390894 0%, #18091d 100%);
}

.onec-side__content {
    position: relative;
    z-index: 3;
    width: min(520px, 68%);
}

.onec-side__content small {
    display: inline-flex;
    align-items: center;
    height: 36px;
    margin-bottom: 28px;
    padding: 0 16px;
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}

.onec-side__content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 16px;
    line-height: 1.4;
}

.onec-code-card {
    position: absolute;
    right: -10px;
    bottom: -2px;
    z-index: 1;
    width: 240px;
    padding: 16px;
    color: #fff;
    background: rgba(24, 9, 29, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 28px;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
    transform: rotate(-6deg);
}

.onec-code-card__top {
    display: flex;
    gap: 8px;
    margin-bottom: 22px;
}

.onec-code-card__top span {
    width: 12px;
    height: 12px;
    background: var(--orange);
    border-radius: 50%;
}

.onec-code-card__top span:nth-child(2) {
    background: var(--violet);
}

.onec-code-card__top span:nth-child(3) {
    background: var(--cyan);
}

.onec-code-card p {
    margin: 0 0 10px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 9px;
    line-height: 1.35;
    letter-spacing: -0.01em;
}

.onec-code-card p:last-child {
    margin-bottom: 0;
}

.onec-code-card b {
    color: #fff;
}

.onec-signal,
.onec-result,
.onec-price-notice {
    width: var(--wide);
    margin: 88px auto 0;
    padding: 64px 80px;
    color: #fff;
    background: var(--brand-gradient-panel);
    border-radius: 32px;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: end;
}

.onec-signal small,
.onec-result small,
.onec-price-notice small,
.onec-guarantee small {
    display: block;
    margin-bottom: 16px;
    color: var(--wide);
    font-size: 16px;
    font-weight: 800;
}

.onec-signal h2,
.onec-result h2,
.onec-price-notice h2,
.onec-guarantee h2 {
    margin: 0;
    font-size: 54px;
    line-height: 0.96;
    font-weight: 700;
    letter-spacing: -0.06em;
}

.onec-signal p,
.onec-result p,
.onec-price-notice p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 22px;
    line-height: 1.3;
}

.onec-fit {
    width: var(--container);
    margin: 88px auto 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.onec-fit article {
    min-height: 300px;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
    display: flex;
    flex-direction: column;
    transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

.onec-fit article:hover {
    color: #fff;
    background:
        radial-gradient(circle at 72% 18%, rgba(253, 91, 3, 0.72), transparent 28%),
        linear-gradient(135deg, #390894 0%, #18091d 100%);
    border-color: transparent;
    box-shadow: 0 24px 48px rgba(127, 10, 173, .18);
    transform: translateY(-2px);
}

.onec-fit small {
    color: var(--orange);
    font-size: 16px;
    font-weight: 800;
}

.onec-fit h2 {
    margin: auto 0 16px;
    font-size: 28px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.onec-fit p {
    margin: 0;
    color: var(--grey);
    font-size: 17px;
    line-height: 1.35;
}

.onec-fit article:hover small,
.onec-fit article:hover p {
    color: rgba(255, 255, 255, 0.82);
}

.onec-services .site-service-card p {
    max-width: 94%;
}

.onec-faq {
    width: var(--container);
    margin: 96px auto 0;
}

.onec-configs {
    position: relative;
    isolation: isolate;
    width: var(--wide);
    margin: 96px auto 0;
    padding: clamp(40px, 4.2vw, 72px);
    color: #2b1a30;
    background:
        radial-gradient(circle at 8% 6%, rgba(172, 17, 255, 0.09), transparent 31%),
        radial-gradient(circle at 94% 92%, rgba(253, 91, 3, 0.08), transparent 30%),
        linear-gradient(145deg, #fff 0%, #faf7fc 52%, #fff8f3 100%);
    border: 1px solid rgba(57, 8, 148, 0.09);
    border-radius: 44px;
    box-shadow: 0 34px 90px rgba(57, 8, 148, 0.09);
    overflow: hidden;
}

.onec-configs::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background-image:
        linear-gradient(rgba(57, 8, 148, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(57, 8, 148, 0.025) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 88%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent 88%);
    pointer-events: none;
}

.onec-configs .split-heading {
    position: relative;
    z-index: 1;
    margin-top: 0;
}

.onec-configs .split-heading h2 {
    max-width: 560px;
    color: #2b1a30;
}

.onec-configs .split-heading p {
    max-width: 700px;
    color: #716775;
}

.onec-config-grid {
    position: relative;
    z-index: 1;
    margin-top: 56px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.onec-config-grid article {
    --config-accent: 253, 91, 3;
    position: relative;
    isolation: isolate;
    min-height: 350px;
    display: flex;
    flex-direction: column;
    padding: 26px;
    color: #2b1a30;
    background: linear-gradient(155deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.78));
    border: 1px solid rgba(57, 8, 148, 0.1);
    border-radius: 28px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.92),
        0 18px 42px rgba(57, 8, 148, 0.07);
    overflow: hidden;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.onec-config-grid article:nth-child(2) {
    --config-accent: 40, 223, 255;
}

.onec-config-grid article:nth-child(3) {
    --config-accent: 172, 17, 255;
}

.onec-config-grid article:nth-child(4) {
    --config-accent: 57, 8, 148;
}

.onec-configs .onec-config-grid article::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background:
        radial-gradient(circle at 92% 8%, rgba(var(--config-accent), 0.095), transparent 36%),
        linear-gradient(150deg, rgba(var(--config-accent), 0.035), transparent 45%);
    border-radius: inherit;
    opacity: 0.72;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

.onec-configs .onec-config-grid article::after {
    position: absolute;
    top: 0;
    left: 26px;
    right: 26px;
    height: 1px;
    content: "";
    background: linear-gradient(90deg, transparent, rgba(var(--config-accent), 0.5), transparent);
    opacity: 0.64;
}

.onec-config-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.onec-configs .onec-config-card__top span {
    width: 66px;
    height: 66px;
    display: grid;
    place-items: center;
    color: rgb(var(--config-accent));
    background:
        linear-gradient(145deg, rgba(var(--config-accent), 0.12), rgba(255, 255, 255, 0.82));
    border: 1px solid rgba(var(--config-accent), 0.2);
    border-radius: 20px;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.9),
        0 12px 28px rgba(57, 8, 148, 0.08);
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.05em;
    transition: transform 0.35s cubic-bezier(.22, 1, .36, 1), border-color 0.35s ease;
}

.onec-configs .onec-config-card__top small {
    color: #817486;
    font-size: 11px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.1em;
    text-align: right;
    text-transform: uppercase;
}

.onec-configs .onec-config-grid h3 {
    max-width: 290px;
    margin: auto 0 18px;
    color: #2b1a30;
    font-size: clamp(25px, 1.55vw, 30px);
    line-height: 1.04;
    font-weight: 700;
    letter-spacing: -0.04em;
}

.onec-configs .onec-config-grid p {
    margin: 0;
    color: #756a79;
    font-size: 15px;
    line-height: 1.45;
}

@media (hover: hover) and (pointer: fine) {
    .onec-configs .onec-config-grid article:hover {
        background: #fff;
        border-color: rgba(var(--config-accent), 0.3);
        box-shadow:
            inset 0 1px 0 rgba(255, 255, 255, 0.96),
            0 26px 54px rgba(57, 8, 148, 0.14);
        transform: translateY(-7px);
    }

    .onec-configs .onec-config-grid article:hover::before {
        opacity: 1;
    }

    .onec-configs .onec-config-grid article:hover .onec-config-card__top span {
        border-color: rgba(var(--config-accent), 0.46);
        transform: translateY(-2px);
    }
}

.onec-process {
    margin-top: 92px;
}

.onec-faq-list {
    margin-top: 64px;
    display: grid;
    gap: 12px;
}

.onec-faq-list details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
}

.onec-faq-list summary {
    position: relative;
    min-height: 78px;
    display: flex;
    align-items: center;
    padding: 24px 72px 24px 28px;
    color: var(--black);
    cursor: pointer;
    font-size: 22px;
    font-weight: 600;
    line-height: 1.2;
    list-style: none;
}

.onec-faq-list summary::-webkit-details-marker {
    display: none;
}

.onec-faq-list summary::after {
    position: absolute;
    right: 28px;
    top: 50%;
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    content: "+";
    color: #fff;
    background: var(--orange);
    border-radius: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    line-height: 1;
}

.onec-faq-list details[open] summary::after {
    content: "−";
}

.onec-faq-list p {
    margin: 0;
    padding: 0 28px 28px;
    color: var(--grey);
    font-size: 17px;
    line-height: 1.45;
}

.onec-guarantee {
    width: var(--wide);
    margin: 92px auto 0;
    padding: 80px;
    border-radius: 32px;
    background: #fff;
    display: grid;
    grid-template-columns: 500px 1fr;
    gap: 96px;
    align-items: start;
}

.onec-guarantee h2 {
    color: var(--black);
}

.onec-guarantee__list {
    display: grid;
    gap: 12px;
}

.onec-guarantee__list p {
    position: relative;
    margin: 0;
    padding: 24px 28px 24px 58px;
    color: var(--black);
    background: #f7f7f7;
    border: 1px solid var(--line);
    border-radius: 18px;
    font-size: 18px;
    line-height: 1.35;
}

.onec-guarantee__list p::before {
    position: absolute;
    left: 28px;
    top: 30px;
    width: 8px;
    height: 8px;
    content: "";
    background: var(--orange);
    border-radius: 50%;
}

@media (max-width: 1279px) {
    .onec-side {
        min-height: 360px;
    }

    .onec-side__content {
        width: 72%;
    }

    .onec-code-card {
        width: 300px;
    }

    .onec-signal,
    .onec-result,
    .onec-price-notice,
    .onec-guarantee {
        width: var(--container);
        grid-template-columns: 1fr;
        gap: 24px;
        padding: 48px;
    }

    .onec-fit,
    .onec-config-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .onec-configs {
        width: var(--container);
        padding: 48px;
        border-radius: 36px;
    }

    .onec-fit {
        margin-top: 64px;
    }

    .onec-signal h2,
    .onec-result h2,
    .onec-price-notice h2,
    .onec-guarantee h2 {
        font-size: 42px;
    }

    .onec-signal p,
    .onec-result p,
    .onec-price-notice p {
        font-size: 19px;
    }
}

@media (max-width: 767px) {
    .onec-side {
        min-height: 500px;
        padding: 26px 22px;
    }

    .onec-side__content {
        width: 100%;
    }

    .onec-code-card {
        right: 20px;
        bottom: 22px;
        width: calc(100% - 40px);
        padding: 20px;
        border-radius: 22px;
        transform: none;
    }

    .onec-signal,
    .onec-result,
    .onec-price-notice,
    .onec-guarantee {
        width: var(--container);
        margin-top: 56px;
        padding: 28px 20px;
        border-radius: 22px;
    }

    .onec-signal h2,
    .onec-result h2,
    .onec-price-notice h2,
    .onec-guarantee h2 {
        font-size: 32px;
    }

    .onec-signal p,
    .onec-result p,
    .onec-price-notice p {
        font-size: 16px;
    }

    .onec-fit {
        width: var(--container);
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 56px;
    }

    .onec-fit article {
        min-height: 220px;
        padding: 22px;
        border-radius: 18px;
    }

    .onec-fit h2 {
        font-size: 24px;
    }

    .onec-fit p {
        font-size: 15px;
    }

    .onec-faq {
        width: var(--container);
        margin-top: 56px;
    }

    .onec-configs {
        width: var(--container);
        margin-top: 56px;
        padding: 28px 20px;
        border-radius: 28px;
    }

    .onec-config-grid {
        margin-top: 32px;
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .onec-config-grid article {
        min-height: 270px;
        padding: 22px;
        border-radius: 22px;
    }

    .onec-configs .onec-config-grid h3 {
        margin: auto 0 14px;
        font-size: 26px;
    }

    .onec-configs .onec-config-card__top span {
        width: 58px;
        height: 58px;
        border-radius: 17px;
        font-size: 17px;
    }

    .onec-configs .onec-config-card__top small {
        max-width: 130px;
        font-size: 10px;
    }

    .onec-process {
        margin-top: 56px;
    }

    .onec-faq-list {
        margin-top: 36px;
    }

    .onec-faq-list summary {
        min-height: 68px;
        padding: 20px 62px 20px 20px;
        font-size: 18px;
    }

    .onec-faq-list summary::after {
        right: 20px;
        width: 30px;
        height: 30px;
    }

    .onec-faq-list p {
        padding: 0 20px 22px;
        font-size: 15px;
    }

    .onec-guarantee__list p {
        padding: 20px 20px 20px 44px;
        font-size: 15px;
    }

    .onec-guarantee__list p::before {
        left: 22px;
        top: 26px;
    }
}