/* ==========================================================================
   Kiwi International Publishing House - Responsive Stylesheet
   ========================================================================== */

@media (max-width: 1100px) {
    .hero-title {
        font-size: 2.8rem;
    }
    
    .services-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Tablet landscape: 3 books in a row */
    .history-books-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 22px;
    }

    .history-book-cover {
        height: 320px;
    }

    /* Books showcase in 1100px & mobile desktop view (~980px): strictly contained inside column */
    .partner-grid {
        grid-template-columns: 1fr 1.15fr;
        gap: 24px;
    }

    .partner-text-col h2 {
        font-size: 2.3rem;
    }

    .partner-books-stage {
        gap: clamp(8px, 1.4vw, 16px);
        padding-right: 14px;
    }

    .partner-book-3d {
        max-width: 118px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 900px) {
    /* Remove search next to logo only on mobile devices */
    .header-search-form {
        display: none !important;
    }

    .main-navigation {
        display: none;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    /* Tablet portrait (down to 768px): 3 books in a row */
    .history-books-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
    }

    .history-book-cover {
        height: 290px;
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .hero-social-block {
        justify-content: center;
    }

    .book-showcase-3d {
        height: 360px;
        margin-top: 20px;
    }

    .book-3d-item {
        width: 160px;
    }

    .book-cover-frame img {
        height: 230px;
    }

    .book-3d-item.pos-center {
        transform: translate3d(0, -5px, 80px) rotateY(0deg) scale(1.1);
    }

    .book-3d-item.pos-left-1 {
        transform: translate3d(-75px, 0px, 30px) rotateY(18deg) scale(0.92);
    }

    .book-3d-item.pos-left-2 {
        transform: translate3d(-135px, 5px, -15px) rotateY(26deg) scale(0.78);
    }

    .book-3d-item.pos-right-1 {
        transform: translate3d(75px, 0px, 30px) rotateY(-18deg) scale(0.92);
    }

    .book-3d-item.pos-right-2 {
        transform: translate3d(135px, 5px, -15px) rotateY(-26deg) scale(0.78);
    }

    .partner-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .partner-text-col p {
        margin-left: auto;
        margin-right: auto;
    }

    .partner-buttons-row {
        justify-content: center;
        margin-bottom: 40px;
    }

    .turn-ideas-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .turn-ideas-actions {
        justify-content: center;
    }

    .featured-testimonial-card {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 30px;
    }

    .testimonial-author-col {
        max-width: 180px;
        margin: 0 auto;
    }

    .rating-stars {
        justify-content: center;
    }

    .footer-cta-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 820px) {
    .author-connect-card {
        flex-direction: column;
        border-radius: 22px;
    }

    .connect-card-brand {
        flex: 0 0 auto;
        padding: 40px 24px;
    }

    .brand-circle-emblem {
        width: 84px;
        height: 84px;
        margin-bottom: 14px;
    }

    .brand-company-title {
        font-size: 1.45rem;
    }

    .connect-card-form-wrap {
        padding: 34px 24px 26px;
    }

    .connect-form-title {
        font-size: 1.75rem;
    }

    .connect-card-bottom-bar {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        justify-content: center;
    }

    .bottom-bar-left {
        justify-content: center;
    }
}

@media (max-width: 680px) {
    .top-announcement-bar {
        display: none;
    }

    .section {
        padding: 65px 0;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .services-grid-4 {
        grid-template-columns: 1fr;
    }

    /* Mobile: strictly 2 books in a row */
    .history-books-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .history-book-cover {
        height: 230px;
    }

    .history-book-meta h4 {
        font-size: 0.88rem;
        min-height: 2.5em;
    }

    .partner-books-stage {
        gap: 16px 14px;
        width: 100%;
        margin-left: 0;
        justify-content: center;
        flex-wrap: wrap;
        padding-right: 14px;
    }

    .partner-book-3d {
        flex: 0 0 calc(50% - 14px);
        max-width: 140px;
    }

    .partner-book-front {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 1.48;
        max-height: 220px;
    }

    .partner-book-pages {
        width: 16px;
        right: -14px;
    }

    .partner-book-top-pages {
        height: 8px;
        top: -7px;
    }

    .footer-main {
        padding-top: 45px;
        padding-bottom: 35px;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* Footer: 2 columns on mobile so Navigation and Services sit in ONE row */
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 30px 18px;
    }

    .footer-col-brand {
        grid-column: 1 / -1;
    }

    .footer-col-nav {
        grid-column: 1;
    }

    .footer-col-services {
        grid-column: 2;
    }

    .footer-col-contact {
        grid-column: 1 / -1;
    }

    .footer-heading {
        font-size: 0.98rem;
        margin-bottom: 14px;
    }

    .footer-nav-list li {
        margin-bottom: 9px;
    }

    .footer-nav-list a {
        font-size: 0.82rem;
        line-height: 1.4;
        display: inline-block;
        word-break: normal;
        overflow-wrap: break-word;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 14px;
        text-align: center;
        padding-left: 20px;
        padding-right: 20px;
    }

    .footer-copy-text {
        white-space: normal;
        text-align: center;
        line-height: 1.5;
    }

    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px 16px;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
    }

    .modal-card {
        padding: 26px 20px;
    }
}

@media (max-width: 580px) {
    .container {
        padding-left: 18px;
        padding-right: 18px;
    }
}

@media (max-width: 420px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    /* Smaller mobile screens: still 2 books in a row with adapted heights */
    .history-books-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .history-book-cover {
        height: 195px;
    }

    .history-book-meta h4 {
        font-size: 0.8rem;
        min-height: 2.4em;
    }

    .history-book-meta p {
        font-size: 0.72rem;
    }

    .partner-books-stage {
        gap: 12px 10px;
        padding-right: 10px;
    }

    .partner-book-3d {
        flex: 0 0 calc(50% - 10px);
        max-width: 130px;
    }

    .footer-main {
        padding-left: 14px;
        padding-right: 14px;
    }

    .footer-grid {
        gap: 26px 14px;
    }

    .footer-nav-list a {
        font-size: 0.78rem;
    }

    .footer-bottom-inner {
        padding-left: 14px;
        padding-right: 14px;
    }
}