/* ==========================================================================
   responsive.css — 平板 / 手机适配
   ========================================================================== */

/* ---------- 中等屏幕：单列，侧栏变顶部名片 ---------- */
@media (max-width: 1080px) {
    .page {
        grid-template-columns: minmax(0, 1fr);
        gap: 26px;
        /* 顶部导航是 fixed 的，给它让出高度 */
        padding-top: 64px;
    }

    /* 跳转时别让区块标题被固定导航盖住 */
    .section {
        scroll-margin-top: 78px;
    }

    /* 单列时挂钟落到文案下方，尺寸收一点，不至于把首屏撑太高 */
    .hero__clock .clock-wrap {
        width: min(340px, 100%);
    }

    .sidebar {
        position: static;
        gap: 12px;
    }

    /* 名片改横向：头像在左，信息在右 */
    .brand {
        flex-direction: row;
        align-items: center;
        text-align: left;
        gap: 16px;
        padding: 18px 18px 16px;
    }

    .avatar {
        width: 76px;
        height: 76px;
    }

    .avatar__initial {
        font-size: 24px;
    }

    .brand__main {
        min-width: 0;
        flex: 1;
    }

    .brand__role {
        margin-top: 4px;
        font-size: 12.5px;
    }

    .status {
        margin-top: 8px;
        padding: 4px 11px 4px 9px;
        font-size: 11px;
    }

    .socials {
        margin-top: 0;
        flex-direction: column;
        gap: 6px;
    }

    .social-btn {
        width: 32px;
        height: 32px;
        border-radius: 10px;
    }

    .social-btn svg {
        width: 15px;
        height: 15px;
    }

    /* 导航改横排、固定在顶部（sticky 会被只有内容高度的 .sidebar 困住，滚过就消失） */
    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 90;
        display: flex;
        justify-content: center;
        gap: 4px;
        margin: 0;
        padding: 7px max(12px, calc((100% - var(--max-w)) / 2));
        border: 0;
        border-bottom: 1px solid var(--line);
        border-radius: 0;
        overflow-x: auto;
        scrollbar-width: none;
        backdrop-filter: blur(20px) saturate(150%);
        -webkit-backdrop-filter: blur(20px) saturate(150%);
        background: var(--nav-bg);
    }

    .nav::-webkit-scrollbar {
        display: none;
    }

    .nav__item {
        flex: 0 0 auto;
        padding: 8px 14px;
        border-radius: 10px;
        font-size: 13px;
    }

    .nav__item::before {
        display: none;
    }

    .nav__item.is-active {
        background: rgba(var(--c1-rgb), 0.2);
    }

    .side-cta {
        display: none;
    }

    .hero {
        padding-top: 8px;
    }

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

/* ---------- 621–899：挂钟在文案下方，宽度收一档 ---------- */
@media (max-width: 899px) {
    .hero__clock .clock-wrap {
        width: min(340px, 100%);
    }
}
/* ---------- 平板竖屏 ---------- */
@media (max-width: 860px) {
    .projects {
        grid-template-columns: minmax(0, 1fr);
    }

    /* 单列时挂钟落到文案下方，尺寸收一点，别把首屏撑太高 */
    .hero__clock .clock-wrap {
        width: min(340px, 100%);
    }

    .hero__title {
        letter-spacing: -0.03em;
    }

    .stats {
        gap: 18px 28px;
    }

    .stat__value {
        font-size: 22px;
    }
}

/* ---------- 手机 ---------- */
@media (max-width: 620px) {
    :root {
        --gap-section: 46px;
        --r-lg: 20px;
    }

    /* 手机上不展示挂钟（首屏只留文案，页面更紧凑） */
    .hero__clock {
        display: none;
    }

    .page {
        width: calc(100% - 24px);
        padding-bottom: 40px;
    }

    .brand {
        padding: 15px 15px 13px;
        gap: 13px;
    }

    .avatar {
        width: 62px;
        height: 62px;
    }

    .brand__name {
        font-size: 18px;
    }

    .brand__handle {
        font-size: 10.5px;
    }

    .brand__role {
        font-size: 12px;
        line-height: 1.5;
    }

    /* 小屏收起社交列，避免挤压 */
    .socials {
        display: none;
    }

    .hero__title {
        font-size: clamp(2rem, 9vw, 2.6rem);
    }

    .hero__lead {
        font-size: 14px;
        line-height: 1.8;
    }

    .hero__actions .btn {
        height: 42px;
        padding: 0 16px;
        font-size: 13px;
    }

    .stats {
        gap: 14px 22px;
        padding-top: 18px;
    }

    .stat__value {
        font-size: 19px;
    }

    .stat__label {
        font-size: 10.5px;
    }

    .section__head {
        margin-bottom: 16px;
    }

    .section__title {
        font-size: 17px;
    }

    .section__note {
        font-size: 10px;
    }

    .skills {
        gap: 20px;
        padding: 18px;
    }

    .chip {
        height: 31px;
        padding: 0 12px;
        font-size: 12.5px;
    }

    .project {
        padding: 18px;
    }

    .about {
        padding: 18px;
    }

    .about__text {
        font-size: 13.5px;
        line-height: 1.9;
    }

    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 9px;
    }

    .contact-item {
        padding: 13px 15px;
    }

    .modal__dialog {
        padding: 20px;
    }

    .footer {
        width: calc(100% - 24px);
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        font-size: 11px;
    }

    .toast {
        bottom: 78px;
        max-width: calc(100% - 32px);
        font-size: 12.5px;
    }
}

/* ---------- 超小屏 ---------- */
@media (max-width: 380px) {
    .hero__title {
        font-size: 1.85rem;
    }

    .nav__item {
        padding: 7px 11px;
        font-size: 12px;
    }
}

/* ---------- 打印 ---------- */
@media print {
    .bg,
    .player,
    .nav,
    .socials,
    .hero__actions,
    .modal,
    .bg-toggle,
    .toast {
        display: none !important;
    }

    body {
        background: #fff;
        color: #111;
    }

    .glass,
    .project,
    .contact-item {
        border-color: #ddd;
        background: #fff;
        box-shadow: none;
        backdrop-filter: none;
    }
}