@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Vazirmatn:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

:root {
    --bg: #000000;
    --surface: rgba(255, 255, 255, 0.04);
    --surface-hover: rgba(255, 255, 255, 0.08);
    --border: rgba(255, 255, 255, 0.08);
    --text-main: #ffffff;
    --text-sub: rgba(255, 255, 255, 0.5);
    --accent: #ffffff;
    --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

body {
    background: var(--bg);
    color: var(--text-main);
    font-family: 'Plus Jakarta Sans', 'Vazirmatn', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-image: radial-gradient(circle at 50% 50%, #111 0%, #000 70%);
    overflow: hidden;
    position: fixed;
    width: 100%;
}

.ambient-light {
    position: fixed;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(80, 80, 120, 0.12) 0%, transparent 60%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.app-frame {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    height: 100%;
    max-height: 700px;
    background: rgba(0,0,0,0.4);
    border-radius: 48px;
    padding: 24px 20px;
    backdrop-filter: blur(2px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow-y: auto;
    scrollbar-width: none;
}

.app-frame::-webkit-scrollbar {
    display: none;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    direction: ltr;
}

.brand {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 3px;
    background: linear-gradient(135deg, #ffffff 0%, #aaaaaa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.version {
    font-size: 11px;
    color: var(--text-sub);
    background: var(--surface);
    padding: 5px 12px;
    border-radius: 30px;
    border: 1px solid var(--border);
    font-weight: 500;
}

.download-title {
    text-align: center;
    margin: 15px 0 20px;
}

.download-title h1 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff, #bbb);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
}

.download-title p {
    font-size: 13px;
    color: var(--text-sub);
    font-weight: 400;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0 24px;
}

.feature-row {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: 0.3s var(--ease);
}

.feature-row:hover {
    background: var(--surface-hover);
    border-color: rgba(255,255,255,0.15);
}

.feature-icon {
    width: 34px;
    height: 34px;
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 17px;
    height: 17px;
    fill: #fff;
    opacity: 0.8;
}

.feature-text {
    flex: 1;
}

.feature-text .title {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-text .desc {
    font-size: 10px;
    color: var(--text-sub);
}

.download-btn {
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 60px;
    color: #fff;
    font-family: 'Plus Jakarta Sans', 'Vazirmatn', sans-serif;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s var(--ease);
    text-align: center;
    text-decoration: none;
    display: block;
    backdrop-filter: blur(10px);
    letter-spacing: 1px;
    margin-top: 6px;
}

.download-btn:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.3);
    transform: scale(1.01);
}

.download-btn:active {
    transform: scale(0.98);
}

.footer-note {
    text-align: center;
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 9px;
    color: rgba(255,255,255,0.2);
    letter-spacing: 0.5px;
}