:root {
    --ink: #102a43;
    --ink-soft: #486581;
    --paper: #f4f8fb;
    --surface: #ffffff;
    --line: #d9e2ec;
    --blue: #1479bd;
    --blue-dark: #075985;
    --aqua: #36c5b4;
    --orange: #f59e0b;
    --shadow: 0 28px 70px rgba(16, 42, 67, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background:
        radial-gradient(circle at 83% 11%, rgba(54, 197, 180, 0.15), transparent 22rem),
        linear-gradient(180deg, #f9fcfe 0%, var(--paper) 100%);
    font-family: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 100;
    padding: 0.65rem 1rem;
    color: #fff;
    background: var(--ink);
    border-radius: 0.5rem;
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    transform: translateY(0);
}

.site-header {
    width: min(1180px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 1.4rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.brand-mark {
    width: 2.7rem;
    height: 2.7rem;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--ink);
    border-radius: 0.75rem 0.75rem 0.75rem 0.2rem;
    font-size: 1.15rem;
    font-weight: 800;
}

.brand-copy {
    display: grid;
    line-height: 1.1;
}

.brand-copy strong {
    font-size: 0.94rem;
    letter-spacing: 0.16em;
}

.brand-copy small {
    margin-top: 0.3rem;
    color: var(--ink-soft);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
}

.availability {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.55rem 0.85rem;
    color: var(--ink-soft);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(217, 226, 236, 0.9);
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.availability-dot {
    width: 0.52rem;
    height: 0.52rem;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 0 0.25rem rgba(16, 185, 129, 0.14);
}

main {
    overflow: hidden;
}

.hero {
    width: min(1180px, calc(100% - 3rem));
    min-height: 36rem;
    margin: 1rem auto 0;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(23rem, 0.8fr);
    align-items: center;
    gap: 3rem;
}

.kicker {
    margin: 0 0 0.85rem;
    color: var(--blue);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.hero h1 {
    margin: 0;
    font-size: clamp(2.7rem, 4.1vw, 4.1rem);
    line-height: 1.08;
    letter-spacing: -0.055em;
}

.hero-line {
    display: block;
    white-space: nowrap;
}

.hero-line-accent {
    color: var(--blue);
}

.hero-description {
    max-width: 42rem;
    margin: 1.6rem 0 0;
    color: var(--ink-soft);
    font-size: 1.06rem;
}

.hero-action {
    width: fit-content;
    margin-top: 2rem;
    padding: 0.86rem 1.1rem 0.86rem 1.3rem;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    color: #fff;
    background: var(--ink);
    border: 1px solid var(--ink);
    border-radius: 0.75rem;
    text-decoration: none;
    font-weight: 800;
    box-shadow: 0 10px 24px rgba(16, 42, 67, 0.2);
    transition: transform 0.2s ease, background 0.2s ease;
}

.hero-action:hover,
.hero-action:focus-visible {
    background: var(--blue-dark);
    transform: translateY(-2px);
}

.hero-action svg,
.card-action svg {
    width: 1.15rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.hero-visual {
    position: relative;
    min-height: 32rem;
    display: grid;
    place-items: center;
}

.showcase-stage {
    position: relative;
    width: min(100%, 32rem);
    height: 31rem;
    isolation: isolate;
}

.showcase-glow {
    position: absolute;
    top: 4.7rem;
    left: 50%;
    width: 21.5rem;
    height: 21.5rem;
    background:
        radial-gradient(circle at 72% 26%, rgba(54, 197, 180, 0.3), transparent 31%),
        linear-gradient(145deg, #0d2942 0%, #174f73 62%, #116da2 100%);
    border-radius: 38% 62% 55% 45% / 46% 42% 58% 54%;
    box-shadow: var(--shadow);
    transform: translateX(-50%) rotate(-8deg);
    animation: showcase-breathe 9s ease-in-out infinite;
}

.visual-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid rgba(20, 121, 189, 0.2);
    border-radius: 50%;
    pointer-events: none;
}

.visual-orbit-large {
    width: 29.5rem;
    height: 29.5rem;
    margin: -14.75rem 0 0 -14.75rem;
    animation: orbit-spin 34s linear infinite;
}

.visual-orbit-small {
    width: 25.5rem;
    height: 25.5rem;
    margin: -12.75rem 0 0 -12.75rem;
    border-style: dashed;
    animation: orbit-spin-reverse 28s linear infinite;
}

.visual-orbit-inner {
    width: 18.5rem;
    height: 18.5rem;
    margin: -9.25rem 0 0 -9.25rem;
    border-color: rgba(255, 255, 255, 0.18);
}

.visual-orbit-large::after,
.visual-orbit-small::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -0.3rem;
    width: 0.58rem;
    height: 0.58rem;
    background: var(--blue);
    border: 0.18rem solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 0.28rem rgba(20, 121, 189, 0.13);
}

.visual-orbit-small::after {
    top: auto;
    right: auto;
    bottom: 2.2rem;
    left: 2.2rem;
    background: var(--aqua);
}

.showcase-core {
    position: absolute;
    z-index: 1;
    top: 8.1rem;
    left: 50%;
    width: 8.6rem;
    height: 8.6rem;
    display: grid;
    place-content: center;
    color: #fff;
    text-align: center;
    transform: translateX(-50%);
}

.showcase-core small,
.showcase-core span {
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.showcase-core strong {
    margin: 0.1rem 0;
    font-size: 3.25rem;
    line-height: 1;
    letter-spacing: -0.08em;
}

.visual-card {
    position: absolute;
    z-index: 3;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 1rem;
    box-shadow: 0 18px 42px rgba(16, 42, 67, 0.18);
    backdrop-filter: blur(12px);
    text-decoration: none;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.visual-card-inventory,
.visual-card-art {
    min-width: 14.4rem;
    padding: 0.9rem 1rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.78rem;
}

.visual-card-copy {
    display: grid;
    min-width: 0;
}

.visual-card small {
    color: var(--ink-soft);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.visual-card strong {
    margin-top: 0.15rem;
    font-size: 1rem;
    line-height: 1.35;
}

.visual-card-inventory {
    top: 3.7rem;
    left: 0;
    border-radius: 1rem 1rem 1rem 0.3rem;
    animation: card-float-one 6.5s ease-in-out infinite;
}

.visual-card-art {
    top: 14rem;
    right: 0;
    border-radius: 1rem 0.3rem 1rem 1rem;
    animation: card-float-two 7.2s ease-in-out -2.4s infinite;
}

.visual-card-medis {
    bottom: 1.3rem;
    left: 1.7rem;
    width: 18.2rem;
    overflow: hidden;
    border-radius: 1.15rem 1.15rem 1.15rem 0.3rem;
    animation: card-float-three 7.6s ease-in-out -4.1s infinite;
}

.visual-card-main {
    padding: 0.95rem 1rem 0.8rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.78rem;
    color: inherit;
    text-decoration: none;
}

.visual-card-subaction {
    min-height: 2.8rem;
    padding: 0.62rem 1rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.45rem;
    color: #fff;
    background: var(--ink);
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    transition: background 0.2s ease;
}

.visual-card-subaction svg,
.visual-card-arrow svg {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 2;
}

.visual-card-arrow {
    width: 2rem;
    height: 2rem;
    display: grid;
    place-items: center;
    color: var(--blue);
    background: #edf7fc;
    border-radius: 50%;
    transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.visual-icon {
    width: 2.8rem;
    height: 2.8rem;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--blue);
    border-radius: 0.75rem;
}

.visual-icon-inventory {
    background: var(--blue);
}

.visual-icon-art {
    color: var(--ink);
    background: #dff8f4;
}

.visual-icon-medis {
    color: #fff;
    background: linear-gradient(145deg, var(--blue-dark), var(--blue));
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.25rem;
    font-weight: 800;
}

.visual-icon svg {
    width: 1.45rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
}

.visual-card-inventory:hover,
.visual-card-inventory:focus-visible,
.visual-card-art:hover,
.visual-card-art:focus-visible,
.visual-card-medis:hover,
.visual-card-medis:focus-within {
    animation-play-state: paused;
    border-color: rgba(20, 121, 189, 0.55);
    box-shadow: 0 24px 54px rgba(16, 42, 67, 0.24);
}

.visual-card-inventory:hover .visual-card-arrow,
.visual-card-inventory:focus-visible .visual-card-arrow,
.visual-card-art:hover .visual-card-arrow,
.visual-card-art:focus-visible .visual-card-arrow,
.visual-card-main:hover .visual-card-arrow,
.visual-card-main:focus-visible .visual-card-arrow {
    color: #fff;
    background: var(--blue);
    transform: translateX(0.15rem);
}

.visual-card-subaction:hover,
.visual-card-subaction:focus-visible {
    background: var(--blue-dark);
}

.visual-card-inventory:focus-visible,
.visual-card-art:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: 3px;
}

.visual-card-main:focus-visible {
    outline: 3px solid var(--blue);
    outline-offset: -4px;
}

.visual-card-subaction:focus-visible {
    outline: 3px solid var(--aqua);
    outline-offset: -4px;
}

@keyframes showcase-breathe {
    0%,
    100% {
        border-radius: 38% 62% 55% 45% / 46% 42% 58% 54%;
        transform: translateX(-50%) rotate(-8deg) scale(1);
    }

    50% {
        border-radius: 44% 56% 48% 52% / 52% 47% 53% 48%;
        transform: translateX(-50%) rotate(-4deg) scale(1.025);
    }
}

@keyframes orbit-spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes orbit-spin-reverse {
    to {
        transform: rotate(-360deg);
    }
}

@keyframes card-float-one {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0, -0.32rem, 0);
    }
}

@keyframes card-float-two {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(-0.22rem, 0.26rem, 0);
    }
}

@keyframes card-float-three {
    0%,
    100% {
        transform: translate3d(0, 0, 0);
    }

    50% {
        transform: translate3d(0.2rem, -0.25rem, 0);
    }
}

.demo-section {
    width: min(1180px, calc(100% - 3rem));
    margin: 4rem auto 0;
    padding: 4.5rem 0 5rem;
    border-top: 1px solid var(--line);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
}

.section-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.25rem);
    line-height: 1.15;
    letter-spacing: -0.04em;
}

.section-heading > p {
    max-width: 30rem;
    margin: 0 0 0.35rem;
    color: var(--ink-soft);
}

.demo-grid {
    margin-top: 2.5rem;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
}

.demo-card {
    position: relative;
    min-height: 31rem;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    color: var(--ink);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1.5rem;
    text-decoration: none;
    overflow: hidden;
    box-shadow: 0 12px 30px rgba(16, 42, 67, 0.06);
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

a.demo-card::after {
    content: "";
    position: absolute;
    right: -4rem;
    bottom: -4rem;
    width: 12rem;
    height: 12rem;
    background: radial-gradient(circle, rgba(54, 197, 180, 0.17), transparent 68%);
}

a.demo-card:hover,
a.demo-card:focus-visible {
    border-color: rgba(20, 121, 189, 0.55);
    box-shadow: 0 24px 52px rgba(16, 42, 67, 0.13);
    transform: translateY(-5px);
}

.demo-card-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.demo-number {
    color: #829ab1;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.65rem;
    color: var(--ink-soft);
    background: #f0f4f8;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 800;
}

.status-available {
    color: #06705f;
    background: #e7f8f4;
}

.status-available span {
    width: 0.45rem;
    height: 0.45rem;
    background: #10b981;
    border-radius: 50%;
}

.status-planned {
    color: #825a10;
    background: #fff7df;
}

.demo-icon {
    width: 4rem;
    height: 4rem;
    margin-top: 3rem;
    display: grid;
    place-items: center;
    color: var(--blue);
    background: #eaf5fb;
    border-radius: 1.1rem;
}

.demo-icon svg {
    width: 2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.6;
}

.demo-eyebrow {
    margin: 1.55rem 0 0.25rem;
    color: var(--blue);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.demo-card h3 {
    margin: 0;
    font-size: clamp(1.7rem, 3vw, 2.35rem);
    letter-spacing: -0.035em;
}

.demo-description {
    max-width: 36rem;
    margin: 0.85rem 0 0;
    color: var(--ink-soft);
}

.feature-list {
    margin: 1.35rem 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
}

.feature-list li {
    padding: 0.36rem 0.65rem;
    color: #334e68;
    background: #f0f4f8;
    border-radius: 0.45rem;
    font-size: 0.76rem;
    font-weight: 700;
}

.card-action {
    margin-top: auto;
    padding-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--blue-dark);
    font-weight: 800;
}

.demo-card-upcoming {
    border-style: dashed;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(244, 248, 251, 0.9)),
        repeating-linear-gradient(135deg, transparent 0 18px, rgba(130, 154, 177, 0.05) 18px 19px);
    box-shadow: none;
}

.upcoming-symbol {
    width: 4rem;
    height: 4rem;
    margin-top: 3rem;
    display: grid;
    place-items: center;
    color: #627d98;
    background: #e9eff5;
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 300;
}

footer {
    width: min(1180px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 1.8rem 0 2.5rem;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    color: #627d98;
    border-top: 1px solid var(--line);
    font-size: 0.8rem;
}

footer p {
    margin: 0;
}

@media (max-width: 1080px) {
    .hero {
        min-height: auto;
        padding: 4rem 0 1rem;
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .hero-copy {
        position: relative;
        z-index: 2;
    }

    .hero-visual {
        min-height: 31rem;
    }

    .showcase-stage {
        width: min(100%, 34rem);
    }

    .visual-card-inventory {
        left: 4%;
    }

    .visual-card-art {
        right: 4%;
    }

    .visual-card-medis {
        left: 8%;
    }

    .section-heading {
        align-items: start;
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 680px) {
    .site-header,
    .hero,
    .demo-section,
    footer {
        width: min(100% - 2rem, 1180px);
    }

    .site-header {
        padding-top: 1rem;
    }

    .availability {
        padding: 0.5rem 0.65rem;
        font-size: 0.72rem;
    }

    .hero {
        padding-top: 2.5rem;
    }

    .hero h1 {
        font-size: clamp(2rem, 9vw, 2.4rem);
    }

    .hero-line {
        white-space: normal;
    }

    .hero-description {
        font-size: 0.98rem;
    }

    .hero-visual {
        min-height: 30.5rem;
    }

    .showcase-stage {
        width: 100%;
        height: 29.5rem;
    }

    .showcase-glow {
        top: 5.1rem;
        width: 16.5rem;
        height: 16.5rem;
    }

    .visual-orbit-large {
        width: 21rem;
        height: 21rem;
        margin: -10.5rem 0 0 -10.5rem;
    }

    .visual-orbit-small {
        width: 18rem;
        height: 18rem;
        margin: -9rem 0 0 -9rem;
    }

    .visual-orbit-inner {
        width: 13rem;
        height: 13rem;
        margin: -6.5rem 0 0 -6.5rem;
    }

    .showcase-core {
        top: 6.7rem;
        width: 7rem;
        height: 7rem;
    }

    .showcase-core strong {
        font-size: 2.7rem;
    }

    .visual-card-inventory,
    .visual-card-art {
        min-width: 0;
        width: min(13.8rem, 66%);
        padding: 0.78rem 0.82rem;
        gap: 0.58rem;
    }

    .visual-card-inventory {
        top: 1.4rem;
        left: 0;
    }

    .visual-card-art {
        top: 11.5rem;
        right: 0;
    }

    .visual-card-medis {
        bottom: 0;
        right: 0;
        left: 0;
        width: calc(100% - 1.5rem);
        max-width: 20rem;
        margin: 0 auto;
    }

    .visual-card-main {
        padding: 0.82rem;
        gap: 0.62rem;
    }

    .visual-icon {
        width: 2.45rem;
        height: 2.45rem;
    }

    .visual-card strong {
        font-size: 0.9rem;
    }

    .visual-card small {
        font-size: 0.56rem;
    }

    .visual-card-arrow {
        width: 1.75rem;
        height: 1.75rem;
    }

    .demo-section {
        margin-top: 1rem;
        padding-top: 3.5rem;
    }

    .demo-grid {
        grid-template-columns: 1fr;
    }

    .demo-card {
        min-height: 30rem;
        padding: 1.4rem;
    }

    footer {
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }
}