main {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: 34px;
    align-items: center;
    padding: 54px 0 30px;
}

.hero h1 {
    max-width: 800px;
    margin: 12px 0 14px;
    color: var(--primary-dark);
    font-size: clamp(2.2rem, 5vw, 4.45rem);
    line-height: 1.02;
}

.hero p {
    max-width: 640px;
    color: var(--muted-color);
    font-size: 1.18rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.printer-stage {
    min-height: 420px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: radial-gradient(circle at 20% 20%, #ffffff 0 16%, transparent 17%), linear-gradient(145deg, #e9f4f2 0%, #ffffff 58%, #fff4dc 100%);
    box-shadow: var(--shadow);
}

.printer-frame {
    position: relative;
    width: min(340px, 82vw);
    height: 300px;
    border: 14px solid var(--primary-dark);
    border-bottom-width: 24px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.42);
}

.printer-frame::before,
.printer-frame::after {
    content: "";
    position: absolute;
    top: 14px;
    width: 14px;
    height: 250px;
    border-radius: 999px;
    background: #9fb1b3;
}

.printer-frame::before {
    left: 38px;
}

.printer-frame::after {
    right: 38px;
}

.printer-rail {
    position: absolute;
    top: 58px;
    left: 26px;
    right: 26px;
    height: 12px;
    border-radius: 999px;
    background: #8fa2a5;
}

.printer-head {
    position: absolute;
    top: 40px;
    left: 50%;
    width: 92px;
    height: 48px;
    border-radius: 8px;
    background: var(--secondary-color);
    transform: translateX(-50%);
    box-shadow: 0 10px 0 #c92f72;
}

.printer-head::after {
    content: "";
    position: absolute;
    top: 46px;
    left: 37px;
    width: 18px;
    height: 38px;
    background: var(--primary-dark);
    clip-path: polygon(20% 0, 80% 0, 100% 100%, 0 100%);
}

.printed-object {
    position: absolute;
    bottom: 38px;
    left: 50%;
    width: 132px;
    display: grid;
    gap: 6px;
    transform: translateX(-50%);
}

.printed-object span {
    display: block;
    height: 24px;
    border-radius: 8px 8px 4px 4px;
    background: var(--primary-color);
}

.printed-object span:nth-child(2) {
    width: 78%;
    justify-self: center;
    background: #3a8b86;
}

.printed-object span:nth-child(3) {
    width: 48%;
    justify-self: center;
    background: var(--accent-color);
}

.printer-bed {
    position: absolute;
    right: 28px;
    bottom: 22px;
    left: 28px;
    height: 14px;
    border-radius: 999px;
    background: var(--primary-dark);
}

.service-grid,
.product-preview,
.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.service-grid article,
.preview-card,
.steps article {
    padding: 22px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
}

.service-grid i {
    color: var(--secondary-color);
    font-size: 1.8rem;
}

.service-grid h2,
.preview-card h3,
.steps h3 {
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.service-grid p,
.preview-card p,
.steps p {
    color: var(--muted-color);
    line-height: 1.5;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
    gap: 28px;
    align-items: start;
    margin-top: 58px;
}

.split-section h2,
.featured h2 {
    margin: 8px 0 0;
    color: var(--primary-dark);
    font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.steps {
    margin-top: 0;
}

.steps strong {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--soft-color);
    color: var(--primary-color);
    font-size: 1.1rem;
}

.featured {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin-top: 56px;
}

.product-icon {
    width: 56px;
    height: 56px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: var(--soft-color);
    color: var(--primary-color);
    font-size: 1.5rem;
}

.preview-card strong {
    color: var(--primary-color);
}

.faq-section {
    display: grid;
    grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
    gap: 28px;
    align-items: start;
    margin-top: 58px;
}

.faq-heading h2 {
    margin: 8px 0 10px;
    color: var(--primary-dark);
    font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.faq-heading p {
    color: var(--muted-color);
    line-height: 1.55;
}

.faq-list {
    display: grid;
    gap: 12px;
}

.faq-item {
    overflow: hidden;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
}

.faq-question {
    width: 100%;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 18px;
    border: 0;
    background: transparent;
    color: var(--primary-dark);
    font: inherit;
    font-weight: 900;
    text-align: left;
    cursor: pointer;
}

.faq-question i {
    color: var(--secondary-color);
    transition: transform 0.2s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.faq-answer p {
    margin: 0;
    padding: 0 18px 18px;
    color: var(--muted-color);
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 180px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

@media (max-width: 900px) {
    .hero,
    .split-section,
    .faq-section {
        grid-template-columns: 1fr;
        padding-top: 32px;
    }

    .printer-stage {
        min-height: 320px;
    }

    .service-grid,
    .product-preview,
    .steps {
        grid-template-columns: 1fr;
    }

    .featured {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 620px) {
    main {
        width: min(100% - 24px, 1120px);
    }

    .hero {
        gap: 24px;
        padding: 32px 0 24px;
    }

    .hero h1 {
        font-size: clamp(2rem, 10.2vw, 2.7rem);
        line-height: 1.08;
    }

    .hero p {
        font-size: 1rem;
        line-height: 1.55;
    }

    .hero-actions {
        display: grid;
        gap: 10px;
        margin-top: 20px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .printer-stage {
        min-height: 260px;
        box-shadow: 0 12px 28px rgba(31, 41, 51, 0.08);
    }

    .printer-frame {
        width: min(260px, 76vw);
        height: 230px;
        border-width: 10px;
        border-bottom-width: 18px;
    }

    .printer-frame::before,
    .printer-frame::after {
        top: 12px;
        width: 10px;
        height: 188px;
    }

    .printer-frame::before {
        left: 28px;
    }

    .printer-frame::after {
        right: 28px;
    }

    .printer-rail {
        top: 44px;
        left: 20px;
        right: 20px;
        height: 10px;
    }

    .printer-head {
        top: 30px;
        width: 72px;
        height: 38px;
    }

    .printer-head::after {
        top: 36px;
        left: 29px;
        width: 14px;
        height: 30px;
    }

    .printed-object {
        bottom: 30px;
        width: 104px;
        gap: 5px;
    }

    .printed-object span {
        height: 20px;
    }

    .printer-bed {
        right: 22px;
        bottom: 16px;
        left: 22px;
        height: 12px;
    }

    .service-grid,
    .product-preview,
    .steps,
    .home-featured-grid {
        gap: 12px;
        margin-top: 20px;
    }

    .service-grid article,
    .preview-card,
    .steps article {
        padding: 18px;
    }

    .split-section,
    .faq-section {
        gap: 18px;
        margin-top: 40px;
    }

    .split-section h2,
    .featured h2,
    .faq-heading h2 {
        font-size: clamp(1.55rem, 7vw, 2rem);
    }

    .featured {
        gap: 12px;
        margin-top: 40px;
    }

    .faq-question {
        min-height: 56px;
        padding: 15px 14px;
        gap: 12px;
    }

    .faq-answer p {
        padding: 0 14px 16px;
    }
}

@media (max-width: 430px) {
    main {
        width: min(100% - 20px, 1120px);
    }

    .hero {
        padding-top: 26px;
    }

    .hero h1 {
        font-size: clamp(1.85rem, 10vw, 2.35rem);
    }

    .printer-stage {
        min-height: 238px;
    }
}