/* Static homepage refinements. Loaded directly from index.html and /en/index.html. */

body.homepage-premium .hero.hero-home {
    padding: calc(var(--nav-height, 90px) + 34px) 0 62px;
}

body.homepage-premium .hero-home .hero-home-container {
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
    gap: clamp(48px, 6vw, 88px);
    align-items: center;
}

body.homepage-premium .hero-home-copy {
    position: relative;
    z-index: 2;
    max-width: 640px;
    padding: 10px 0 8px;
}

body.homepage-premium .hero-home .hero-eyebrow {
    margin-bottom: 20px;
}

body.homepage-premium .hero-home h1 {
    margin: 0 0 20px;
    text-wrap: balance;
}

html[lang^="zh"] body.homepage-premium .hero-home h1 {
    max-width: 9ch;
    font-size: clamp(3.25rem, 4.9vw, 4.8rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
    word-break: normal;
    overflow-wrap: break-word;
}

html[lang="en"] body.homepage-premium .hero-home h1 {
    max-width: 10.2ch;
    font-size: clamp(3.4rem, 5.1vw, 5.15rem);
    line-height: 1.01;
    letter-spacing: -0.062em;
    overflow-wrap: normal;
    word-break: normal;
}

body.homepage-premium .hero-home .hero-subtitle {
    max-width: 37rem;
    margin: 0 0 18px;
    font-size: clamp(1.05rem, 1.45vw, 1.16rem);
    line-height: 1.76;
    color: #556274;
}

body.homepage-premium .hero-trust-line {
    margin: 0 0 30px;
    color: #7b8493;
    font-size: 0.94rem;
    font-weight: 650;
    letter-spacing: 0.025em;
}

body.homepage-premium .hero-home .hero-cta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 22px;
    justify-content: flex-start;
}

body.homepage-premium .hero-home .hero-btn {
    min-width: 190px;
    min-height: 56px;
}

body.homepage-premium .hero-text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    min-height: 48px;
    color: #162033;
    font-weight: 750;
    text-decoration: none;
    border-bottom: 1px solid rgba(22, 32, 51, 0.25);
    transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

body.homepage-premium .hero-text-link:hover {
    color: #b8872d;
    border-color: rgba(184, 135, 45, 0.52);
    transform: translateX(2px);
}

body.homepage-premium .hero-home-visual {
    position: relative;
    z-index: 1;
    justify-content: center;
}

body.homepage-premium .hero-home .hero-visual-card {
    width: min(100%, 520px);
    max-width: 520px;
    padding: 20px;
    transform: translateY(6px);
}

body.homepage-premium .hero-stage-card {
    position: relative;
}

body.homepage-premium .hero-stage-card::after {
    content: '';
    position: absolute;
    inset: 18% 9% -12% 9%;
    z-index: -1;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.22);
    filter: blur(42px);
}

body.homepage-premium .hero-home .hero-visual-screen {
    padding: 28px 26px 24px;
    box-shadow: 0 18px 40px rgba(3, 8, 20, 0.24);
}

body.homepage-premium .hero-stage-kicker {
    margin-bottom: 9px;
    color: rgba(244, 199, 107, 0.9);
    font-size: 0.76rem;
    font-weight: 750;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

body.homepage-premium .hero-stage-title {
    margin-bottom: 24px;
    color: #f8fafc;
    font-size: clamp(1.25rem, 2vw, 1.65rem);
    font-weight: 720;
    letter-spacing: -0.025em;
}

body.homepage-premium .hero-home .hero-screen-row {
    margin-bottom: 22px;
}

body.homepage-premium .hero-home .hero-mini-keys {
    margin-top: 18px;
    padding: 16px 14px 12px;
}

body.homepage-premium .hero-stage-status {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 14px;
    padding: 0 4px;
    color: rgba(226, 232, 240, 0.68);
    font-size: 0.82rem;
    font-weight: 600;
}

body.homepage-premium .hero-stage-status > span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #58c787;
    box-shadow: 0 0 0 5px rgba(88, 199, 135, 0.12);
}

body.homepage-premium .quick-start-card {
    min-height: 184px;
    box-sizing: border-box;
}

body.homepage-premium .homepage-practice > .container {
    overflow: hidden;
}

body.homepage-premium .homepage-practice .piano-container {
    min-height: 240px;
    max-width: 1200px;
    margin: 0 auto 30px;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scrollbar-width: thin;
    scrollbar-color: rgba(148, 163, 184, 0.65) transparent;
}

body.homepage-premium .homepage-practice .piano-container::-webkit-scrollbar {
    height: 8px;
}

body.homepage-premium .homepage-practice .piano-container::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.58);
    border-radius: 999px;
}

body.homepage-premium .homepage-practice .keys {
    width: max-content !important;
    min-width: 780px !important;
    max-width: none !important;
    margin: 0 auto !important;
    padding: 0 12px 12px !important;
    box-sizing: border-box;
    justify-content: center;
}

body.homepage-premium .homepage-practice .key::before {
    display: none !important;
}

body.homepage-premium .homepage-practice .key-label {
    position: absolute !important;
    left: 50% !important;
    bottom: 9px !important;
    transform: translateX(-50%) !important;
    z-index: 5 !important;
    margin: 0 !important;
    padding: 0 !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    line-height: 1 !important;
    letter-spacing: 0 !important;
    white-space: nowrap !important;
    color: #697386 !important;
    pointer-events: none;
}

body.homepage-premium .homepage-practice .key.black .key-label {
    bottom: 8px !important;
    font-size: 9px !important;
    color: rgba(255, 255, 255, 0.78) !important;
}

body.homepage-premium .homepage-practice .key.white {
    flex: 0 0 var(--white-key-width, 35px);
}

body.homepage-premium .homepage-practice .key.black {
    flex: 0 0 var(--black-key-width, 22px);
}

body.homepage-premium .practice-layout,
body.homepage-premium .practice-controls-panel,
body.homepage-premium .practice-status-panel,
body.homepage-premium .practice-controls,
body.homepage-premium .song-select-container {
    min-width: 0;
}

body.homepage-premium .practice-controls .control-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

body.homepage-premium .midi-status {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.05);
    color: #667085;
    font-size: 0.88rem;
}

body.homepage-premium .midi-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #a8b0bd;
}

body.homepage-premium .practice-status-panel:empty {
    display: none;
}

body.homepage-premium .practice-buttons .btn {
    white-space: normal;
    line-height: 1.3;
    text-align: center;
}

body.homepage-premium .section-intro.centered {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

body.homepage-premium .homepage-feature-section {
    padding: 88px 0;
}

body.homepage-premium .homepage-feature-section .features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.homepage-premium .homepage-final-cta {
    padding: 26px 24px 96px;
    text-align: center;
}

body.homepage-premium .homepage-final-cta .container {
    max-width: 980px;
    padding: 64px 32px;
    border-radius: 34px;
    color: #f8fafc;
    background:
        radial-gradient(circle at 50% 0%, rgba(244, 199, 107, 0.16), transparent 34%),
        linear-gradient(145deg, #172033 0%, #090e19 100%);
    box-shadow: 0 28px 70px rgba(15, 23, 42, 0.2);
}

body.homepage-premium .homepage-final-cta .section-kicker {
    color: #e3bd6e;
}

body.homepage-premium .homepage-final-cta h2 {
    margin: 10px 0 28px;
    color: #fff;
    font-size: clamp(2rem, 4vw, 3.25rem);
    letter-spacing: -0.045em;
}

body.homepage-premium .homepage-final-cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 170px;
    min-height: 52px;
    border-radius: 16px;
    background: linear-gradient(135deg, #f0dfbc 0%, #dfbf7c 100%);
    color: #3f3012;
    text-decoration: none;
    font-weight: 800;
}

@media (min-width: 1280px) and (max-width: 1760px) {
    body.homepage-premium .nav-container,
    body.homepage-premium .hero-home .hero-home-container,
    body.homepage-premium .quick-start-grid,
    body.homepage-premium .homepage-practice > .container,
    body.homepage-premium .features .container,
    body.homepage-premium .song-library-section .container {
        width: min(1120px, calc(100% - 320px));
        max-width: 1120px;
        box-sizing: border-box;
    }

    body.homepage-premium .hero-home .hero-home-container {
        grid-template-columns: minmax(0, 1fr) minmax(400px, 0.92fr);
        gap: 54px;
    }

    body.homepage-premium .hero-home .hero-visual-card {
        max-width: 470px;
    }
}

@media (max-width: 1100px) {
    body.homepage-premium .hero-home .hero-home-container {
        grid-template-columns: minmax(0, 1fr) minmax(350px, 0.84fr);
        gap: 34px;
    }

    html[lang^="zh"] body.homepage-premium .hero-home h1 {
        font-size: clamp(2.9rem, 5.4vw, 4.1rem);
    }

    html[lang="en"] body.homepage-premium .hero-home h1 {
        font-size: clamp(3rem, 5.4vw, 4.45rem);
    }
}

@media (max-width: 860px) {
    body.homepage-premium .hero.hero-home {
        padding-bottom: 46px;
    }

    body.homepage-premium .hero-home .hero-home-container {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    body.homepage-premium .hero-home-copy,
    body.homepage-premium .hero-home .hero-subtitle {
        max-width: 100%;
    }

    body.homepage-premium .hero-home-visual {
        justify-content: flex-start;
    }

    body.homepage-premium .hero-home .hero-visual-card {
        max-width: 580px;
        transform: none;
    }

    body.homepage-premium .homepage-practice .keys {
        min-width: 760px !important;
    }

    body.homepage-premium .homepage-feature-section .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    html[lang^="zh"] body.homepage-premium .hero-home h1,
    html[lang="en"] body.homepage-premium .hero-home h1 {
        max-width: 100%;
        font-size: clamp(2.45rem, 10vw, 3.25rem);
        line-height: 1.08;
    }

    body.homepage-premium .hero-home .hero-cta {
        align-items: stretch;
    }

    body.homepage-premium .hero-text-link {
        justify-content: center;
        border-bottom: none;
    }

    body.homepage-premium .hero-home .hero-visual-card {
        width: 100%;
    }

    body.homepage-premium .homepage-practice .piano-container {
        margin-left: -4px !important;
        margin-right: -4px !important;
        padding-left: 12px !important;
        padding-right: 12px !important;
    }

    body.homepage-premium .homepage-final-cta {
        padding-left: 12px;
        padding-right: 12px;
    }

    body.homepage-premium .homepage-final-cta .container {
        padding: 48px 20px;
        border-radius: 26px;
    }
}