:root {
    --bg: #090909;
    --bg-soft: #111111;
    --panel: rgba(19, 19, 19, 0.84);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text: #f7f7f7;
    --text-dim: rgba(247, 247, 247, 0.72);
    --btc: #f7931a;
    --btc-soft: rgba(247, 147, 26, 0.18);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
    --radius-lg: 20px;
    --radius-md: 14px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    color: var(--text);
    background:
        linear-gradient(180deg, rgba(247, 147, 26, 0.05), transparent 35%),
        radial-gradient(circle at 20% 10%, rgba(247, 147, 26, 0.12), transparent 40%),
        radial-gradient(circle at 85% 20%, rgba(247, 147, 26, 0.08), transparent 45%),
        var(--bg);
    font-family: 'Manrope', 'Space Grotesk', sans-serif;
}

body {
    position: relative;
    overflow-x: hidden;
    padding: 32px 20px 56px;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(circle at center, black 20%, transparent 80%);
}

.bg-orb {
    position: fixed;
    border-radius: 999px;
    filter: blur(70px);
    pointer-events: none;
    opacity: 0.25;
}

.bg-orb--one {
    width: 300px;
    height: 300px;
    background: var(--btc);
    top: -140px;
    right: -70px;
}

.bg-orb--two {
    width: 240px;
    height: 240px;
    background: #ffb657;
    bottom: -130px;
    left: -90px;
}

.page-header,
.content {
    width: min(1040px, 100%);
    margin: 0 auto;
}

.page-header {
    padding: 28px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--panel-border);
    background: linear-gradient(130deg, rgba(247, 147, 26, 0.08), rgba(16, 16, 16, 0.9) 40%);
    box-shadow: var(--shadow);
    transform: translateY(12px);
    opacity: 0;
    animation: reveal 560ms ease forwards;
}

.badge {
    width: fit-content;
    font-family: 'Space Grotesk', 'Manrope', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--btc);
    border: 1px solid rgba(247, 147, 26, 0.38);
    background: var(--btc-soft);
    border-radius: 999px;
    padding: 0.35rem 0.62rem;
}

h1,
h2,
h3 {
    margin: 0;
    font-family: 'Space Grotesk', 'Manrope', sans-serif;
    color: var(--btc);
}

h1 {
    margin-top: 14px;
    font-size: clamp(2rem, 4.5vw, 3.15rem);
    line-height: 1.05;
}

.page-header p {
    max-width: 760px;
    margin: 14px 0 0;
    color: var(--text);
    font-size: clamp(1rem, 1.5vw, 1.12rem);
    line-height: 1.5;
}

.cta-row {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    border-radius: 11px;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.72rem 1rem;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    color: #121212;
    background: var(--btc);
    box-shadow: 0 8px 18px rgba(247, 147, 26, 0.3);
}

.btn-secondary {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--panel-border);
}

.content {
    margin-top: 18px;
    display: grid;
    gap: 14px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
    transform: translateY(12px);
    opacity: 0;
    animation: reveal 560ms ease forwards;
}

.panel:nth-child(1) {
    animation-delay: 80ms;
}

.panel:nth-child(2) {
    animation-delay: 120ms;
}

.panel:nth-child(3) {
    animation-delay: 160ms;
}

.panel:nth-child(4) {
    animation-delay: 200ms;
}

.panel h2 {
    font-size: clamp(1.3rem, 2.2vw, 1.7rem);
    margin-bottom: 10px;
}

.panel p {
    margin: 0;
    color: var(--text-dim);
    line-height: 1.6;
}

.panel code {
    color: var(--btc);
    background: rgba(247, 147, 26, 0.14);
    border: 1px solid rgba(247, 147, 26, 0.35);
    border-radius: 6px;
    padding: 0.08rem 0.35rem;
}

.feature-grid {
    display: grid;
    gap: 10px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 14px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.015), rgba(247, 147, 26, 0.07));
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 0.92rem;
}

.flow-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text);
    line-height: 1.65;
}

.flow-list li + li {
    margin-top: 0.34rem;
}

.video-help {
    margin-bottom: 12px;
}

.video-help code {
    color: var(--btc);
    background: rgba(247, 147, 26, 0.14);
    border: 1px solid rgba(247, 147, 26, 0.35);
    border-radius: 6px;
    padding: 0.08rem 0.35rem;
}

.video-shell {
    border: 1px solid rgba(247, 147, 26, 0.3);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: #000;
}

.video-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 320px;
    padding: 24px;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.6;
    background:
        linear-gradient(145deg, rgba(247, 147, 26, 0.08), rgba(255, 255, 255, 0.02)),
        #000;
}

.video-shell video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}

@keyframes reveal {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 800px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .page-header,
    .panel {
        border-radius: 16px;
        padding: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}