:root {
    --card: rgba(18, 18, 18, 0.76);
    --border: rgba(255, 255, 255, 0.14);
    --text: #ffffff;
    --muted: #c9c9c9;
    --soft: #9f9f9f;
    --orange: #ff7a18;
    --orange-light: #ffb158;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at left center, rgba(255, 122, 24, 0.34), transparent 30%),
        radial-gradient(circle at right bottom, rgba(255, 185, 90, 0.18), transparent 34%),
        linear-gradient(135deg, #050505, #141414 48%, #050505);
    overflow-x: hidden;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background:
        radial-gradient(circle at center, rgba(255, 255, 255, 0.018), transparent 55%),
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.012) 1px, transparent 1px);
    background-size: auto, 80px 80px, 80px 80px;
    opacity: 0.35;
}

.background-glow {
    position: fixed;
    inset: auto 0 0;
    height: 42vh;
    pointer-events: none;
    background:
        radial-gradient(ellipse at center bottom, rgba(255, 122, 24, .12), transparent 60%);
    filter: blur(8px);
}

.page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 16px;
}

.card {
    width: 100%;
    max-width: 860px;
    padding: 34px 42px 26px;
    text-align: center;
    border: 1px solid var(--border);
    border-radius: 30px;
    background: var(--card);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(18px);
    animation: fadeIn 0.8s ease both;
}

.logo-area {
    position: relative;
    margin-bottom: 14px;
}

.logo-area::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 8px;
    width: 250px;
    height: 40px;
    transform: translateX(-50%);
    background: radial-gradient(ellipse at center, rgba(255,122,24,.24), transparent 70%);
    filter: blur(8px);
    pointer-events: none;
}

.logo-area::after {
    content: "";
    display: block;
    width: 260px;
    height: 1px;
    margin: 6px auto 0;
    background: linear-gradient(90deg, transparent, rgba(255,122,24,.86), transparent);
    box-shadow: 0 0 18px rgba(255,122,24,.45);
    animation: breathe 3.8s ease-in-out infinite;
}

.logo {
    position: relative;
    z-index: 2;
    display: block;
    max-width: 160px;
    width: 100%;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 18px 28px rgba(0,0,0,.65));
    animation: float 5s ease-in-out infinite;
}

.spark {
    position: absolute;
    left: 50%;
    bottom: 64px;
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: #51d7ff;
    box-shadow: 0 0 12px rgba(81, 215, 255, .95);
    opacity: 0;
    pointer-events: none;
    animation: rise 4.8s ease-in-out infinite;
}

.spark-1 {
    margin-left: -26px;
    animation-delay: .1s;
}

.spark-2 {
    width: 4px;
    height: 4px;
    margin-left: 22px;
    animation-delay: 1.4s;
}

.spark-3 {
    width: 3px;
    height: 3px;
    margin-left: 2px;
    animation-delay: 2.7s;
}

h1 {
    margin: 0 0 10px;
    font-size: clamp(34px, 4.3vw, 54px);
    line-height: 1.02;
    letter-spacing: -0.035em;
}

.lead {
    max-width: 620px;
    margin: 0 auto 10px;
    color: #eeeeee;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.45;
}

.text {
    max-width: 640px;
    margin: 0 auto 20px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.55;
}

.progress {
    width: 100%;
    max-width: 500px;
    margin: 0 auto 22px;
}

.progress-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    color: var(--orange-light);
    font-size: 14px;
    font-weight: 700;
}

.progress-track {
    height: 15px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,122,24,.35);
    box-shadow: inset 0 0 10px rgba(0,0,0,.45);
}

.progress-fill {
    position: relative;
    height: 100%;
    width: 0%;
    overflow: hidden;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--orange), var(--orange-light));
    box-shadow: 0 0 14px rgba(255,122,24,.45);
    transition: width 1s ease;
}

.progress-fill::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.32), transparent);
    transform: translateX(-100%);
    animation: shine 3.8s ease-in-out infinite;
}

.progress-status {
    margin-top: 8px;
    color: var(--soft);
    font-size: 13px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.feature {
    padding: 16px 14px;
    border-radius: 18px;
    background: rgba(255,255,255,.055);
    border: 1px solid rgba(255,255,255,.11);
    transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}

.feature:hover {
    transform: translateY(-5px);
    border-color: rgba(255,122,24,.75);
    box-shadow: 0 10px 25px rgba(255,122,24,.16);
}

.feature svg {
    width: 30px;
    height: 30px;
    margin-bottom: 8px;
    stroke: var(--orange);
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    transition: transform .25s ease, filter .25s ease;
}

.feature:hover svg {
    transform: scale(1.08);
    filter: drop-shadow(0 0 10px rgba(255,122,24,.35));
}

.feature h2 {
    margin: 0 0 6px;
    font-size: 16px;
}

.feature p {
    margin: 0;
    color: #bdbdbd;
    font-size: 13px;
    line-height: 1.4;
}

footer {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255,255,255,.08);
    color: #bdbdbd;
    font-size: 14px;
    line-height: 1.5;
}

footer strong {
    color: var(--orange-light);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-7px);
    }
}

@keyframes breathe {
    0%, 100% {
        opacity: .45;
        transform: scaleX(.88);
    }

    50% {
        opacity: 1;
        transform: scaleX(1);
    }
}

@keyframes rise {
    0% {
        opacity: 0;
        transform: translateY(0) scale(.8);
    }

    25% {
        opacity: .9;
    }

    100% {
        opacity: 0;
        transform: translateY(-88px) scale(1.35);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%);
    }

    45%, 100% {
        transform: translateX(100%);
    }
}

@media (max-width: 760px) {
    .page {
        padding: 14px;
    }

    .card {
        padding: 30px 22px 24px;
        border-radius: 24px;
    }

    .logo {
        max-width: 140px;
    }

    .logo-area::after {
        width: 210px;
    }

    h1 {
        font-size: clamp(32px, 10vw, 44px);
    }

    .lead {
        font-size: 17px;
    }

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

@media (prefers-reduced-motion: reduce) {
    .card,
    .logo,
    .logo-area::after,
    .spark,
    .progress-fill::after {
        animation: none;
    }

    .feature,
    .feature svg,
    .progress-fill {
        transition: none;
    }
}