:root {
    --bg: #06080f;
    --panel: rgba(12, 18, 29, .82);
    --panel-strong: rgba(17, 25, 40, .94);
    --line: rgba(160, 235, 255, .2);
    --line-strong: rgba(122, 255, 228, .44);
    --text: #f5fbff;
    --muted: #a9b8c9;
    --soft: #d9f8ff;
    --cyan: #55f7ff;
    --green: #52ff9c;
    --pink: #ff8ccf;
    --pink-soft: #ffd2ea;
    --amber: #ffd36a;
    --device: #55f7ff;
    --device-2: #52ff9c;
    --shadow: 0 24px 70px rgba(0, 0, 0, .45);
}

* {
    box-sizing: border-box;
}

html {
    background: var(--bg);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    letter-spacing: 0;
    overflow-x: hidden;
    background:
        linear-gradient(rgba(85, 247, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 140, 207, .035) 1px, transparent 1px),
        linear-gradient(135deg, #06080f 0%, #0a1220 45%, #101119 100%);
    background-size: 42px 42px, 42px 42px, auto;
    animation: gridDrift 18s linear infinite;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background:
        linear-gradient(90deg, transparent, rgba(85, 247, 255, .1), transparent),
        linear-gradient(180deg, rgba(82, 255, 156, .1), transparent 46%);
    opacity: .75;
}

body::after {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background: repeating-linear-gradient(0deg, rgba(255,255,255,.025) 0 1px, transparent 1px 6px);
    mix-blend-mode: screen;
    opacity: .45;
}

body.theme-android {
    --device: #52ff9c;
    --device-2: #55f7ff;
}

body.theme-ios {
    --device: #65d8ff;
    --device-2: #ff8ccf;
}

body.theme-mac {
    --device: #ffb86b;
    --device-2: #ff8ccf;
}

@keyframes gridDrift {
    from { background-position: 0 0, 0 0, 0 0; }
    to { background-position: 42px 42px, -42px 42px, 0 0; }
}

@keyframes shimmer {
    from { transform: translateX(-120%); }
    to { transform: translateX(120%); }
}

@keyframes floatSignal {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

@keyframes revealStep {
    from {
        transform: translateY(14px) scale(.985);
    }
    to {
        transform: translateY(0) scale(1);
    }
}

.wrap {
    width: min(960px, calc(100% - 32px));
    margin: 0 auto;
}

.wizard-wrap {
    width: min(760px, calc(100% - 32px));
}

.stage {
    min-height: 100vh;
    padding: 28px 0 56px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
}

.topbar-solo {
    justify-content: flex-end;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--soft);
    font-weight: 700;
    text-decoration: none;
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    color: var(--green);
    background: rgba(82, 255, 156, .08);
    box-shadow: 0 0 24px rgba(82, 255, 156, .18);
}

.top-actions {
    display: flex;
    gap: 10px;
}

.ghost-link,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 9px 13px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 8px;
    color: #dcefff;
    background: rgba(255,255,255,.04);
    font: 700 14px Arial, Helvetica, sans-serif;
    text-decoration: none;
    cursor: pointer;
}

.ghost-link:hover,
.ghost-link:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible {
    border-color: var(--line-strong);
    color: #ffffff;
    outline: none;
    box-shadow: 0 0 24px rgba(85, 247, 255, .12);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(240px, .85fr);
    gap: 24px;
    align-items: stretch;
    margin-bottom: 22px;
}

.hero-copy,
.signal-panel,
.manual-panel,
.step,
.final-panel {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.hero-copy {
    position: relative;
    overflow: hidden;
    padding: clamp(24px, 5vw, 46px);
}

.hero-copy::before,
.signal-panel::before,
.step::before {
    position: absolute;
    inset: 0;
    pointer-events: none;
    content: "";
    border-radius: inherit;
    background: linear-gradient(120deg, transparent, rgba(255,255,255,.08), transparent);
    transform: translateX(-120%);
    animation: shimmer 7s ease-in-out infinite;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    color: var(--green);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 18px var(--green);
    content: "";
}

h1 {
    max-width: 820px;
    margin: 0 0 16px;
    font-size: clamp(34px, 7vw, 66px);
    line-height: .98;
    letter-spacing: 0;
    overflow-wrap: break-word;
}

.hero-copy > *,
.step > * {
    position: relative;
    z-index: 1;
}

.hero-copy p,
.manual-panel p,
.step p,
.final-panel p {
    margin: 0;
    color: var(--muted);
    font-size: 17px;
}

.glow-text {
    color: var(--device);
    text-shadow: 0 0 22px color-mix(in srgb, var(--device) 50%, transparent);
}

.single-wizard {
    display: block;
}

.wizard-kicker {
    margin: 0 0 18px;
    color: var(--green);
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
}

.intro-step h1 {
    margin-bottom: 18px;
}

.intro-step .action-row {
    margin-top: 28px;
}

.signal-panel {
    position: relative;
    display: grid;
    overflow: hidden;
    min-height: 290px;
    padding: 24px;
}

.signal-stack {
    display: grid;
    gap: 14px;
    align-self: end;
}

.signal-card {
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 8px;
    padding: 14px;
    background: rgba(0,0,0,.2);
}

.signal-card strong {
    display: block;
    margin-bottom: 4px;
    color: var(--text);
}

.signal-card span {
    color: var(--muted);
    font-size: 14px;
}

.signal-ring {
    position: absolute;
    top: 24px;
    right: 24px;
    display: grid;
    place-items: center;
    width: 118px;
    height: 118px;
    border: 1px solid rgba(85,247,255,.38);
    border-radius: 50%;
    color: var(--device);
    font-size: 34px;
    font-weight: 700;
    background: conic-gradient(from 180deg, rgba(85,247,255,.08), rgba(255,140,207,.26), rgba(82,255,156,.18), rgba(85,247,255,.08));
    box-shadow: 0 0 34px rgba(85,247,255,.18);
    animation: floatSignal 4.4s ease-in-out infinite;
}

.manual-panel {
    padding: 22px;
}

.manual-panel h2,
.step h2,
.final-panel h2 {
    margin: 0 0 8px;
    font-size: clamp(22px, 4vw, 31px);
    line-height: 1.15;
    letter-spacing: 0;
}

.device-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.device-card {
    position: relative;
    min-height: 174px;
    overflow: hidden;
    padding: 20px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 8px;
    color: var(--text);
    background: var(--panel-strong);
    text-decoration: none;
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.device-card:hover,
.device-card:focus-visible {
    transform: translateY(-4px);
    border-color: var(--device-color);
    outline: none;
    box-shadow: 0 0 36px color-mix(in srgb, var(--device-color) 28%, transparent);
}

.device-card.android { --device-color: var(--green); }
.device-card.ios { --device-color: var(--cyan); }
.device-card.mac { --device-color: var(--pink); }

.device-icon {
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    border: 1px solid color-mix(in srgb, var(--device-color) 55%, transparent);
    border-radius: 8px;
    color: var(--device-color);
    background: color-mix(in srgb, var(--device-color) 12%, transparent);
    font-weight: 700;
    box-shadow: 0 0 24px color-mix(in srgb, var(--device-color) 18%, transparent);
}

.device-card h3 {
    margin: 0 0 8px;
    font-size: 24px;
    letter-spacing: 0;
}

.device-card p {
    margin: 0;
    color: var(--muted);
}

.flow-layout {
    display: block;
}

.progress-card {
    position: relative;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 18px;
    background: rgba(12, 18, 29, .68);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.hero-progress {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100%;
    padding: clamp(22px, 4vw, 34px);
}

.progress-title {
    margin-bottom: 10px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
}

.progress-text {
    margin-bottom: 14px;
    color: var(--text);
    font-size: 22px;
    font-weight: 700;
}

.progress-track {
    height: 10px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 999px;
    background: rgba(255,255,255,.06);
}

.progress-bar {
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--device), var(--pink));
    box-shadow: 0 0 24px var(--device);
    transition: width .28s ease;
}

.progress-dots {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 7px;
    margin-top: 14px;
}

.progress-dot {
    height: 6px;
    border-radius: 999px;
    background: rgba(255,255,255,.12);
}

.progress-dot.is-lit {
    background: var(--device);
    box-shadow: 0 0 16px var(--device);
}

.steps {
    display: block;
}

.step {
    position: relative;
    overflow: hidden;
    padding: clamp(20px, 4vw, 30px);
    animation: revealStep .3s ease both;
}

.step.is-complete {
    border-color: rgba(82,255,156,.32);
}

.step.is-active {
    border-color: color-mix(in srgb, var(--device) 48%, transparent);
    background: rgba(12, 18, 29, .96);
    box-shadow: 0 20px 68px rgba(0,0,0,.48), 0 0 34px color-mix(in srgb, var(--device) 12%, transparent);
}

.step.is-active h2 {
    color: #ffffff;
}

.step.is-active p {
    color: #c8d7e6;
}

.step-head {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.num {
    display: inline-grid;
    place-items: center;
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border: 1px solid color-mix(in srgb, var(--device) 45%, transparent);
    border-radius: 8px;
    color: var(--device);
    background: color-mix(in srgb, var(--device) 12%, transparent);
    font-weight: 700;
    box-shadow: 0 0 24px color-mix(in srgb, var(--device) 18%, transparent);
}

.notice {
    margin-top: 18px;
    padding: 15px;
    border: 1px solid rgba(255, 211, 106, .26);
    border-radius: 8px;
    color: #fff1c6;
    background: rgba(255, 211, 106, .08);
}

.action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    overflow: hidden;
    padding: 13px 18px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 8px;
    color: #061016;
    background: linear-gradient(135deg, var(--device), var(--device-2));
    box-shadow: 0 0 30px color-mix(in srgb, var(--device) 24%, transparent);
    font: 700 15px Arial, Helvetica, sans-serif;
    text-decoration: none;
    cursor: pointer;
    transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

.btn::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.38), transparent);
    transform: translateX(-130%);
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-2px);
    filter: brightness(1.04);
    outline: none;
    box-shadow: 0 0 40px color-mix(in srgb, var(--device) 36%, transparent);
}

.btn:hover::after,
.btn:focus-visible::after {
    animation: shimmer .85s ease;
}

.btn-store {
    color: #031018;
    background: linear-gradient(135deg, #6de7ff, #9bffcf);
}

.btn-apk {
    color: #160b03;
    background: linear-gradient(135deg, #ffd36a, #ff9a62);
}

.btn-key {
    color: #061016;
    background: linear-gradient(135deg, #52ff9c, #55f7ff);
}

.btn-bot {
    min-height: 62px;
    padding: 16px 26px;
    color: #25101b;
    background: linear-gradient(135deg, var(--pink-soft), var(--pink));
    box-shadow: 0 0 38px rgba(255, 140, 207, .42), 0 0 90px rgba(255, 140, 207, .16);
    font-size: 18px;
}

.done-label {
    display: inline-flex;
    align-items: center;
    margin-top: 18px;
    color: var(--green);
    font-weight: 700;
    text-shadow: 0 0 18px rgba(82,255,156,.36);
}

.final-panel {
    border-color: rgba(255, 140, 207, .34);
    background:
        linear-gradient(135deg, rgba(255,140,207,.13), rgba(12,18,29,.9)),
        var(--panel-strong);
}

.final-panel .num {
    color: var(--pink-soft);
    border-color: rgba(255, 140, 207, .45);
    background: rgba(255, 140, 207, .13);
    box-shadow: 0 0 30px rgba(255, 140, 207, .22);
}

[hidden] {
    display: none !important;
}

@media (max-width: 820px) {
    .hero,
    .flow-layout {
        grid-template-columns: 1fr;
    }

    .progress-card {
        position: static;
    }

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

@media (max-width: 620px) {
    .stage {
        padding-top: 18px;
    }

    .wrap {
        width: min(300px, calc(100% - 32px));
    }

    .hero {
        gap: 14px;
        margin-bottom: 16px;
    }

    h1 {
        font-size: 28px;
        line-height: 1.05;
    }

    .hero-copy p,
    .manual-panel p,
    .step p,
    .final-panel p {
        font-size: 16px;
    }

    .hero-progress {
        padding: 18px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .top-actions {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ghost-link,
    .ghost-button {
        min-width: 0;
        padding-right: 10px;
        padding-left: 10px;
    }

    .hero-copy,
    .signal-panel,
    .manual-panel,
    .step,
    .progress-card {
        border-radius: 8px;
    }

    .signal-panel {
        min-height: auto;
    }

    .signal-stack {
        align-self: auto;
    }

    .signal-ring {
        position: static;
        width: 78px;
        height: 78px;
        margin-right: auto;
        margin-left: 0;
        margin-bottom: 16px;
        font-size: 24px;
    }

    .step-head {
        gap: 12px;
    }

    .num {
        flex-basis: 38px;
        width: 38px;
        height: 38px;
        border-radius: 8px;
    }

    .action-row,
    .btn {
        width: 100%;
    }

}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}