@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Noto+Sans+Arabic:wght@400;500;700;800&family=Sora:wght@600;700;800&family=JetBrains+Mono:wght@500&display=swap");

:root {
    --bg: #e9edf0;
    --surface: #ffffff;
    --surface-strong: #f7fbff;
    --ink: #0f1f2b;
    --ink-soft: #2d4356;
    --line: #c7d4de;
    --red: #d90f00;
    --blue: #0f79b9;
    --green: #5ea500;
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow: 0 20px 50px rgba(10, 33, 49, 0.12);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body {
    font-family: "Noto Sans SC", "Noto Sans Arabic", "Segoe UI", sans-serif;
    color: var(--ink);
    background:
        linear-gradient(160deg, rgba(15, 121, 185, 0.08), transparent 38%),
        linear-gradient(330deg, rgba(94, 165, 0, 0.08), transparent 42%),
        var(--bg);
    min-height: 100vh;
    line-height: 1.65;
}

a {
    color: var(--blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.shell {
    width: min(1080px, 92vw);
    margin: 0 auto;
}

.bg-orb {
    position: fixed;
    z-index: -2;
    filter: blur(36px);
    opacity: 0.26;
    border-radius: 999px;
}

.orb-a {
    width: 340px;
    height: 340px;
    background: var(--red);
    right: -80px;
    top: -60px;
}

.orb-b {
    width: 300px;
    height: 300px;
    background: var(--blue);
    left: -100px;
    bottom: 10vh;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 22px 0;
}

.top-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 14px;
    flex-wrap: wrap;
}

.language-controls {
    display: flex;
    align-items: center;
    gap: 0;
}

.lang-menu summary {
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.85);
    color: var(--ink-soft);
    border-radius: 999px;
    height: 36px;
    padding: 0 12px;
    font-size: 0.86rem;
    font-weight: 700;
    cursor: pointer;
}

.lang-menu {
    position: relative;
}

.lang-menu summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 68px;
    letter-spacing: 0.04em;
    user-select: none;
}

.lang-menu summary::-webkit-details-marker {
    display: none;
}

.lang-menu summary::after {
    content: "▾";
    font-size: 0.8rem;
}

.lang-menu[open] summary {
    border-color: rgba(15, 121, 185, 0.55);
    box-shadow: 0 0 0 3px rgba(15, 121, 185, 0.15);
}

.lang-list {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    min-width: 170px;
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 12px 24px rgba(9, 35, 57, 0.14);
    z-index: 10;
}

.lang-list button {
    display: block;
    width: 100%;
    text-align: left;
    border: 0;
    background: transparent;
    color: var(--ink-soft);
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 0.9rem;
    font-family: inherit;
    cursor: pointer;
}

.lang-list button:hover {
    background: rgba(15, 121, 185, 0.1);
}

.lang-list button.is-active {
    background: var(--blue);
    color: #ffffff;
}

.brand {
    font-family: "Sora", "Noto Sans SC", sans-serif;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--ink);
}

.top-links {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.top-links a {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.hero {
    margin-top: 6px;
    margin-bottom: 24px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 24px;
    align-items: center;
    padding: 28px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(247, 251, 255, 0.96));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.eyebrow {
    margin: 0 0 8px;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.84rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--ink-soft);
}

h1,
h2,
h3 {
    margin: 0;
    font-family: "Sora", "Noto Sans SC", sans-serif;
    letter-spacing: 0.01em;
}

h1 {
    font-size: clamp(1.9rem, 4.8vw, 3rem);
    line-height: 1.2;
    margin-bottom: 14px;
}

.accent {
    color: var(--red);
}

.lede {
    margin: 0;
    color: var(--ink-soft);
}

.cta-row {
    margin-top: 20px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-weight: 700;
}

.btn.primary {
    color: #ffffff;
    background: linear-gradient(130deg, var(--red), #f04b2f);
}

.btn.ghost {
    color: var(--ink);
    border-color: var(--line);
    background: rgba(255, 255, 255, 0.75);
}

.btn.testing {
    color: #ffffff;
    background: linear-gradient(130deg, var(--blue), #2ba5df);
}

.hero-art {
    display: flex;
    justify-content: center;
}

.hero-icon {
    width: min(300px, 80%);
    aspect-ratio: 1 / 1;
    display: block;
    object-fit: cover;
    border-radius: 24px;
    border: 1px solid rgba(15, 31, 43, 0.12);
    background: #e6eaed;
    box-shadow: 0 14px 28px rgba(10, 33, 49, 0.16);
}

.panel {
    margin-bottom: 18px;
    padding: 24px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: 0 10px 24px rgba(9, 35, 57, 0.08);
}

.panel h2 {
    font-size: 1.28rem;
    margin-bottom: 12px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.feature-card {
    padding: 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: var(--surface-strong);
}

.feature-card h3 {
    font-size: 1.02rem;
    margin-bottom: 8px;
}

.feature-card p {
    margin: 0;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.detail-list {
    margin: 0;
    padding-left: 20px;
    color: var(--ink-soft);
}

.detail-list li {
    margin-bottom: 8px;
}

.detail-list li:last-child {
    margin-bottom: 0;
}

#feature-details h3 {
    margin: 20px 0 10px;
    font-size: 1.05rem;
}

.chip-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.chip-list li {
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: linear-gradient(140deg, #ffffff, #f0f7fb);
    font-size: 0.9rem;
}

.link-list {
    margin: 0;
    padding-left: 18px;
}

#closed-testing {
    background: linear-gradient(135deg, rgba(15, 121, 185, 0.08), rgba(94, 165, 0, 0.08), #ffffff);
}

.closed-testing-intro {
    margin-top: 0;
    color: var(--ink-soft);
}

.closed-testing-steps {
    margin: 0;
    padding-left: 20px;
}

.closed-testing-steps li + li {
    margin-top: 14px;
}

.closed-testing-steps h3 {
    margin: 0 0 8px;
    font-size: 1.04rem;
}

.closed-testing-steps p {
    margin: 0 0 6px;
    color: var(--ink-soft);
}

.closed-testing-note {
    margin-top: 18px;
    color: var(--ink-soft);
}

.closed-testing-sign {
    margin-bottom: 0;
    font-weight: 700;
}

html[dir="rtl"] body {
    font-family: "Noto Sans Arabic", "Noto Sans SC", "Segoe UI", sans-serif;
}

html[dir="rtl"] .topbar {
    flex-direction: row-reverse;
}

html[dir="rtl"] .top-actions {
    justify-content: flex-start;
}

html[dir="rtl"] .lang-list {
    right: auto;
    left: 0;
}

html[dir="rtl"] .lang-list button {
    text-align: right;
}

html[dir="rtl"] .link-list {
    padding-left: 0;
    padding-right: 18px;
}

html[dir="rtl"] .detail-list {
    padding-left: 0;
    padding-right: 20px;
}

html[dir="rtl"] .closed-testing-steps {
    padding-left: 0;
    padding-right: 20px;
}

.footer {
    padding: 8px 0 30px;
    color: var(--ink-soft);
    font-size: 0.93rem;
}

.reveal {
    animation: rise-in 680ms cubic-bezier(0.2, 0.9, 0.2, 1) both;
}

.hero.reveal {
    animation-delay: 80ms;
}

.panel.reveal:nth-of-type(1) {
    animation-delay: 120ms;
}

.panel.reveal:nth-of-type(2) {
    animation-delay: 180ms;
}

.panel.reveal:nth-of-type(3) {
    animation-delay: 240ms;
}

.panel.reveal:nth-of-type(4) {
    animation-delay: 300ms;
}

.footer.reveal {
    animation-delay: 360ms;
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(18px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 920px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-art {
        order: -1;
    }

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

@media (max-width: 540px) {
    .topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .top-actions {
        width: 100%;
        justify-content: space-between;
    }

    .top-links {
        width: 100%;
    }

    .hero-grid,
    .panel {
        padding: 18px;
    }
}