:root {
    --bg: #0b1220;
    --bg2: #070b14;
    --surface: rgba(255, 255, 255, 0.06);
    --surface2: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.12);
    --text: rgba(255, 255, 255, 0.92);
    --muted: rgba(255, 255, 255, 0.7);
    --muted2: rgba(255, 255, 255, 0.56);
    --primary: #3b82f6;
    --accent: #22d3ee;
    --shadow: 0 18px 60px rgba(0, 0, 0, 0.48);
    --radius: 16px;
    --container: 1180px;
    --headerH: 72px;
    --focus: 0 0 0 3px rgba(34, 211, 238, 0.22);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-height: 100vh;
    background:
        radial-gradient(900px 520px at 20% 10%, rgba(59, 130, 246, 0.22), transparent 60%),
        radial-gradient(900px 520px at 80% 0%, rgba(34, 211, 238, 0.16), transparent 60%),
        radial-gradient(1200px 900px at 50% 100%, rgba(59, 130, 246, 0.12), transparent 60%),
        linear-gradient(180deg, var(--bg), var(--bg2));
    color: var(--text);
    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
        "Segoe UI Emoji";
    line-height: 1.5;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font: inherit;
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin: 0 auto;
}

.skip {
    position: absolute;
    top: -60px;
    left: 16px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 10px 12px;
    border-radius: 12px;
    transition: top 160ms ease;
    z-index: 200;
}

.skip:focus {
    top: 14px;
    outline: none;
    box-shadow: var(--focus);
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(14px);
    background: rgba(7, 11, 20, 0.62);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
    height: var(--headerH);
    display: flex;
    align-items: center;
    gap: 16px;
    width: min(var(--container), calc(100% - 48px));
    margin: 0 auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 14px;
    transition: background 160ms ease;
}

.brand:hover {
    background: rgba(255, 255, 255, 0.06);
}

.brandMark {
    width: 18px;
    height: 18px;
    border-radius: 0;
    background-image: url("logo/logo.svg");
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.brandMark.small {
    width: 14px;
    height: 14px;
    border-radius: 0;
}

.brandText {
    font-weight: 650;
    letter-spacing: 0.2px;
}

.navLinks {
    display: none;
    gap: 6px;
    margin-left: 8px;
}

.navLink {
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
    transition:
        background 160ms ease,
        color 160ms ease;
}

.navLink:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
}

.navLink.active {
    background: rgba(34, 211, 238, 0.12);
    color: var(--text);
    border: 1px solid rgba(34, 211, 238, 0.22);
}

.navActions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.lang {
    display: inline-flex;
    padding: 4px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

.langBtn {
    border: 0;
    background: transparent;
    color: var(--muted);
    padding: 8px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition:
        background 160ms ease,
        color 160ms ease;
}

.langBtn[aria-pressed="true"] {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text);
}

.langBtn:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    cursor: pointer;
    transition:
        transform 160ms ease,
        background 160ms ease,
        border-color 160ms ease,
        box-shadow 160ms ease;
}

.btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.08);
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.btnPrimary {
    border-color: rgba(34, 211, 238, 0.28);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.9), rgba(34, 211, 238, 0.78));
    box-shadow: 0 14px 40px rgba(59, 130, 246, 0.18);
}

.btnPrimary:hover {
    box-shadow: 0 18px 54px rgba(34, 211, 238, 0.22);
    border-color: rgba(34, 211, 238, 0.38);
}

.btnGhost {
    background: rgba(255, 255, 255, 0.04);
}

.main {
    padding-top: 12px;
}

.hero {
    padding: 80px 0 64px;
}

.heroGrid {
    display: grid;
    gap: 28px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid rgba(34, 211, 238, 0.18);
    background: rgba(34, 211, 238, 0.06);
    color: var(--muted);
    margin: 0 0 16px;
}

.heroTitle {
    margin: 0 0 12px;
    font-size: clamp(34px, 4.4vw, 56px);
    letter-spacing: -0.4px;
    line-height: 1.06;
}

.heroSubtitle {
    margin: 0;
    color: var(--muted);
    font-size: 18px;
    max-width: 62ch;
}

.heroPoints {
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    display: grid;
    gap: 10px;
}

.heroPoints li {
    display: flex;
    gap: 10px;
    color: rgba(255, 255, 255, 0.82);
}

.heroPoints li::before {
    content: "";
    width: 10px;
    height: 10px;
    margin-top: 7px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 30%, rgba(34, 211, 238, 1), rgba(59, 130, 246, 1));
    box-shadow: 0 8px 22px rgba(34, 211, 238, 0.22);
    flex: 0 0 10px;
}

.heroCtas {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.heroMeta {
    margin-top: 18px;
    color: var(--muted2);
    font-size: 14px;
}

.heroCarousel {
    margin-top: 16px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.carouselBtn {
    width: 36px;
    height: 36px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition:
        transform 160ms ease,
        background 160ms ease,
        border-color 160ms ease;
}

.carouselBtn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(34, 211, 238, 0.22);
}

.carouselBtn:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.carouselDots {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.carouselDot {
    width: 9px;
    height: 9px;
    border-radius: 999px;
    border: 0;
    background: rgba(255, 255, 255, 0.35);
    padding: 0;
    cursor: pointer;
    transition:
        transform 160ms ease,
        background 160ms ease,
        box-shadow 160ms ease;
}

.carouselDot.is-active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 1), rgba(34, 211, 238, 1));
    transform: scale(1.15);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.2);
}

.carouselDot:focus-visible {
    outline: none;
    box-shadow: var(--focus);
}

.heroVisual {
    display: flex;
    justify-content: center;
}

.visualFrame {
    position: relative;
    width: min(560px, 100%);
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
        rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow);
}

.visualImg {
    width: 100%;
    height: auto;
    display: block;
    filter: saturate(1.1) contrast(1.05);
}

.visualGlow {
    position: absolute;
    inset: -40px;
    background:
        radial-gradient(320px 200px at 20% 30%, rgba(34, 211, 238, 0.2), transparent 65%),
        radial-gradient(320px 200px at 80% 60%, rgba(59, 130, 246, 0.2), transparent 65%);
    pointer-events: none;
}

.section {
    padding: 84px 0;
}

.sectionHead {
    margin-bottom: 28px;
}

.sectionHead.compact {
    margin-bottom: 18px;
}

.sectionTitle {
    margin: 0;
    font-size: 30px;
    letter-spacing: -0.2px;
}

.sectionDesc {
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 16px;
    max-width: 78ch;
}

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.card {
    padding: 18px 18px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.03));
    box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
    transition:
        transform 160ms ease,
        border-color 160ms ease,
        background 160ms ease,
        box-shadow 160ms ease;
}

.card:hover {
    transform: translateY(-2px);
    border-color: rgba(34, 211, 238, 0.22);
    box-shadow: 0 18px 54px rgba(0, 0, 0, 0.24);
}

.cardTop {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.chip {
    display: inline-flex;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
}

.cardTitle {
    margin: 0;
    font-size: 18px;
    letter-spacing: -0.1px;
}

.cardDesc {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.aboutGrid {
    display: grid;
    gap: 18px;
    align-items: start;
}

.quote {
    margin-top: 18px;
    padding: 16px 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(34, 211, 238, 0.16);
    background: rgba(34, 211, 238, 0.06);
}

.quoteText {
    margin: 0;
    color: rgba(255, 255, 255, 0.86);
}

.stats {
    display: grid;
    gap: 12px;
}

.stat {
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
}

.statNum {
    font-size: 18px;
    font-weight: 680;
}

.statLabel {
    margin-top: 6px;
    color: var(--muted);
    font-size: 13px;
}

.downloadGrid {
    display: grid;
    gap: 16px;
}

.downloadCard {
    padding: 18px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background:
        radial-gradient(680px 220px at 10% 10%, rgba(34, 211, 238, 0.1), transparent 60%),
        radial-gradient(680px 220px at 90% 40%, rgba(59, 130, 246, 0.14), transparent 60%),
        rgba(255, 255, 255, 0.05);
    box-shadow: var(--shadow);
}

.downloadHead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.downloadName {
    font-size: 18px;
    font-weight: 700;
}

.downloadSub {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(34, 211, 238, 0.2);
    background: rgba(34, 211, 238, 0.08);
    color: rgba(255, 255, 255, 0.86);
    font-size: 12px;
    white-space: nowrap;
}

.downloadActions {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.downloadHint {
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.58);
    font-size: 12px;
}

.downloadPlatforms {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.platform {
    padding: 14px 14px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.72);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
}

.platform[disabled] {
    opacity: 0.75;
}

.platformName {
    font-weight: 650;
}

.platformMeta {
    color: rgba(255, 255, 255, 0.54);
    font-size: 12px;
}

.footer {
    padding: 30px 0 42px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 11, 20, 0.55);
}

.footerInner {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
}

.footerBrand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.footerName {
    font-weight: 650;
}

.footerMeta {
    margin-top: 10px;
    color: rgba(255, 255, 255, 0.55);
    font-size: 12px;
}

.footerLink {
    color: rgba(255, 255, 255, 0.72);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    transition:
        background 160ms ease,
        border-color 160ms ease,
        transform 160ms ease;
}

.footerLink:hover {
    transform: translateY(-1px);
    border-color: rgba(34, 211, 238, 0.18);
    background: rgba(255, 255, 255, 0.07);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    min-width: min(520px, calc(100% - 24px));
    padding: 12px 14px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(8, 12, 22, 0.82);
    backdrop-filter: blur(14px);
    color: rgba(255, 255, 255, 0.86);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 180ms ease,
        transform 180ms ease;
    z-index: 160;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}

section[data-section] {
    scroll-margin-top: calc(var(--headerH) + 16px);
}

@media (min-width: 860px) {
    .navLinks {
        display: inline-flex;
    }

    .heroGrid {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 34px;
    }

    .grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .aboutGrid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 24px;
        align-items: center;
    }

    .downloadGrid {
        grid-template-columns: 1.2fr 0.8fr;
        gap: 18px;
        align-items: start;
    }
}

@media (max-width: 520px) {
    .nav {
        width: calc(100% - 24px);
    }

    .container {
        width: calc(100% - 24px);
    }

    .hero {
        padding: 64px 0 50px;
    }

    .section {
        padding: 56px 0;
    }
}