:root {
    --bg: #eef1f6;
    --ink: #1c2030;
    --muted: #5d6578;
    --vm: #4da8ff;
    --asoc: #8a5cff;
    --hot: #ff5da2;
    --ok: #3cba7a;
    --raised: linear-gradient(180deg, #fbfcfe 0%, #e7ebf3 100%);
    --out:
        7px 8px 16px rgba(163, 174, 194, 0.55),
        -5px -5px 14px rgba(255, 255, 255, 0.95);
    --out-lg:
        14px 16px 32px rgba(163, 174, 194, 0.5),
        -8px -8px 20px rgba(255, 255, 255, 0.9);
    --in:
        inset 4px 4px 10px rgba(163, 174, 194, 0.45),
        inset -3px -3px 8px rgba(255, 255, 255, 0.9);
    --radius: 22px;
    --sans: "Comfortaa", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --mono: "Comfortaa", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --nav: 72px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav) + 12px);
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
}

body {
    font-family: var(--sans);
    color: var(--ink);
    background:
        radial-gradient(ellipse 70% 40% at 80% 0%, rgba(255, 255, 255, 0.9), transparent 60%),
        var(--bg);
    background-attachment: fixed;
    font-size: 17px;
    line-height: 1.5;
    letter-spacing: -0.02em;
}

img { max-width: 100%; }

a { color: inherit; }

.wrap {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.wrap--wide {
    width: min(1200px, calc(100% - 40px));
}

/* ----- nav ----- */
.nav {
    position: sticky;
    top: 12px;
    z-index: 20;
    width: min(1200px, calc(100% - 24px));
    margin: 12px auto 0;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 16px;
    padding: 0 14px 0 18px;
    border-radius: 20px;
    background: rgba(247, 249, 252, 0.78);
    backdrop-filter: blur(16px) saturate(1.15);
    -webkit-backdrop-filter: blur(16px) saturate(1.15);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--out);
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 28px;
    width: auto;
    display: block;
    box-shadow: none;
    border: none;
    background: none;
}

.nav-switch {
    display: flex;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    background: #e6ebf3;
    box-shadow: var(--in);
}

.nav-switch a {
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--muted);
}

.nav-switch a[aria-current="page"] {
    color: var(--ink);
    background: var(--raised);
    box-shadow: var(--out);
}

.nav-cta { display: none; }

@media (min-width: 860px) {
    .nav-cta {
        display: inline-flex;
        margin-left: auto;
    }
}

/* ----- buttons ----- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.15s ease;
}

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

.btn-solid {
    color: #fff;
    background: linear-gradient(180deg, #32384a 0%, #1c2030 100%);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow:
        5px 6px 14px rgba(28, 32, 48, 0.28),
        -3px -3px 10px rgba(255, 255, 255, 0.7),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-solid:active {
    box-shadow: inset 3px 3px 8px rgba(0, 0, 0, 0.45);
}

.btn-soft {
    color: var(--ink);
    background: var(--raised);
    box-shadow: var(--out);
}

.btn-soft:active { box-shadow: var(--in); }

.btn-light {
    color: var(--ink);
    background: linear-gradient(180deg, #fff 0%, #e8edf6 100%);
    box-shadow:
        5px 6px 14px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 #fff;
}

/* ----- hero ----- */
.hero {
    padding: 56px 0 28px;
}

.hero-grid {
    display: grid;
    gap: 36px;
    align-items: center;
}

@media (min-width: 960px) {
    .hero-grid {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 48px;
    }
}

.kicker {
    font-family: var(--mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 14px;
}

.page-vm .kicker { color: #2f86d4; }
.page-asoc .kicker { color: #6d45d6; }

h1 {
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.04;
    letter-spacing: -0.045em;
    font-weight: 700;
    margin-bottom: 16px;
}

.lede {
    color: var(--muted);
    font-size: 18px;
    max-width: 38em;
    margin-bottom: 26px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.seal {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding: 8px 14px 8px 10px;
    border-radius: 999px;
    background: #e7ebf3;
    box-shadow: var(--in);
    font-size: 13px;
    font-weight: 700;
    color: #5b3ec4;
}

.seal__mark {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #c9b6ff, var(--asoc));
    box-shadow:
        inset 0 1px 1px rgba(255, 255, 255, 0.7),
        0 1px 2px rgba(138, 92, 255, 0.4);
}

/* ----- product shots (flat, our screenshots) ----- */
.hero-visual {
    display: grid;
    gap: 14px;
}

.hero-shot {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(28, 32, 48, 0.1);
    background: #fff;
    box-shadow: none;
}

.hero-shot img {
    display: block;
    width: 100%;
    height: auto;
    box-shadow: none;
}

.split-shots {
    display: grid;
    gap: 16px;
    margin-top: 40px;
}

@media (min-width: 900px) {
    .split-shots {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
}

/* ----- console ----- */
.console {
    background: var(--raised);
    border-radius: 28px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: var(--out-lg);
}

.console--strip {
    border-radius: 20px;
    padding: 14px 14px 12px;
    box-shadow: var(--out);
}

.console__plate {
    background: #e6ebf3;
    border-radius: 18px;
    padding: 16px;
    box-shadow: var(--in);
}

.engraved {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: #8b93a6;
    margin-bottom: 12px;
}

.meters {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.meter {
    background: var(--raised);
    border-radius: 16px;
    padding: 14px 12px;
    box-shadow: var(--out);
    text-align: center;
}

.led {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-bottom: 8px;
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.7);
}

.led--hot { background: radial-gradient(circle at 35% 30%, #ffd0e6, var(--hot)); }
.led--vm { background: radial-gradient(circle at 35% 30%, #d7ecff, var(--vm)); }
.led--ok { background: radial-gradient(circle at 35% 30%, #d8ffe9, var(--ok)); }
.led--asoc { background: radial-gradient(circle at 35% 30%, #e4d9ff, var(--asoc)); }

.meter__name {
    display: block;
    font-size: 13px;
    font-weight: 700;
}

.meter__hint {
    display: block;
    margin-top: 2px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--muted);
}

.toggles {
    display: grid;
    gap: 8px;
    margin-top: 14px;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border: 0;
    border-radius: 14px;
    background: transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 650;
    color: var(--ink);
    cursor: pointer;
}

.toggle__track {
    position: relative;
    width: 46px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 999px;
    background: #d5dbe6;
    box-shadow: var(--in);
}

.toggle__knob {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(180deg, #fff, #d7dde8);
    box-shadow: 2px 2px 4px rgba(120, 130, 150, 0.5);
    transition: transform 0.16s ease;
}

.toggle[aria-pressed="true"] .toggle__knob {
    transform: translateX(20px);
    background: linear-gradient(180deg, #fff, #cfe6ff);
}

.page-asoc .toggle[aria-pressed="true"] .toggle__knob {
    background: linear-gradient(180deg, #fff, #ddd0ff);
}

.toggle[aria-pressed="true"] .toggle__track {
    box-shadow:
        inset 3px 3px 6px rgba(140, 150, 170, 0.45),
        inset 0 0 0 1px rgba(77, 168, 255, 0.35);
}

.console__readout {
    margin-top: 12px;
    min-height: 3.2em;
    font-size: 14px;
    color: var(--muted);
    padding: 0 4px;
}

/* ----- keys ----- */
.keys {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.key {
    appearance: none;
    border: 0;
    cursor: pointer;
    border-radius: 14px;
    padding: 16px 12px 14px;
    font-family: inherit;
    background: linear-gradient(180deg, #f7f9fc 0%, #dfe5f0 100%);
    box-shadow:
        0 6px 0 #c5cedd,
        0 8px 14px rgba(140, 150, 170, 0.35);
    color: var(--ink);
    transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.key:active,
.key.is-on {
    transform: translateY(4px);
    box-shadow:
        0 2px 0 #c5cedd,
        inset 2px 2px 6px rgba(150, 160, 180, 0.35);
}

.key--wide { grid-column: 1 / -1; }

.key__code {
    display: block;
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--muted);
    margin-bottom: 6px;
}

.key__name {
    display: block;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.key.is-on .key__name { color: #5b3ec4; }
.page-vm .key.is-on .key__name { color: #1d74c4; }

.keys-readout {
    margin-top: 14px;
    min-height: 3em;
    font-size: 15px;
    color: var(--muted);
}

/* ----- sections ----- */
section { padding: 72px 0; }

.sec-title {
    font-size: clamp(28px, 4vw, 40px);
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 10px;
}

.sec-lead {
    color: var(--muted);
    max-width: 40em;
    margin-bottom: 28px;
}

.pains {
    display: grid;
    gap: 14px;
}

@media (min-width: 800px) {
    .pains { grid-template-columns: repeat(3, 1fr); }
}

.pain {
    padding: 22px 20px;
    border-radius: 18px;
    background: #e6ebf3;
    box-shadow: var(--in);
    color: var(--muted);
    font-size: 15px;
}

.pain strong {
    display: block;
    color: var(--ink);
    font-size: 16px;
    margin-bottom: 8px;
}

/* rail */
.rail-wrap {
    position: relative;
}

.rail {
    list-style: none;
    display: grid;
    gap: 14px;
    position: relative;
}

@media (min-width: 900px) {
    .rail {
        grid-template-columns: repeat(4, 1fr);
        padding-top: 28px;
    }

    .page-asoc .rail {
        grid-template-columns: repeat(5, 1fr);
    }
}

.rail__track {
    display: none;
}

@media (min-width: 900px) {
    .rail__track {
        display: block;
        position: absolute;
        top: 8px;
        left: 0;
        right: 0;
        height: 8px;
        border-radius: 999px;
        background: #e3e8f1;
        box-shadow: var(--in);
    }

    .rail__fill {
        height: 100%;
        width: 8%;
        border-radius: inherit;
        background: linear-gradient(90deg, var(--vm), #7cc0ff);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
        transition: width 0.15s linear;
    }

    .page-asoc .rail__fill {
        background: linear-gradient(90deg, var(--asoc), #b79bff);
    }
}

.step {
    background: var(--raised);
    border-radius: 18px;
    padding: 18px 16px;
    box-shadow: var(--out);
}

.step__n {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--muted);
    letter-spacing: 0.08em;
}

.step h3 {
    font-size: 18px;
    margin: 6px 0 6px;
    letter-spacing: -0.03em;
}

.step p { color: var(--muted); font-size: 14px; }

/* features */
.tiles {
    display: grid;
    gap: 16px;
}

@media (min-width: 760px) {
    .tiles { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1040px) {
    .tiles { grid-template-columns: repeat(3, 1fr); }
}

.tile {
    padding: 22px 20px 20px;
    border-radius: 20px;
    background: var(--raised);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: var(--out);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--out-lg);
}

@media (prefers-reduced-motion: reduce) {
    .tile:hover { transform: none; }
}

.well {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    margin-bottom: 14px;
    background: #e4e9f2;
    box-shadow: var(--in);
    color: var(--ink);
}

.page-vm .well { color: #1d74c4; }
.page-asoc .well { color: #5b3ec4; }

.tile h3 {
    font-size: 18px;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}

.tile p { color: var(--muted); font-size: 15px; }

/* tour */
.tour {
    background: var(--raised);
    border-radius: 28px;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: var(--out-lg);
}

.seg {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px;
    margin-bottom: 14px;
    border-radius: 16px;
    background: #e4e9f2;
    box-shadow: var(--in);
}

.seg button {
    flex: 1 1 auto;
    border: 0;
    background: transparent;
    font-family: inherit;
    font-size: 13px;
    font-weight: 700;
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
    cursor: pointer;
}

.seg button[aria-selected="true"] {
    color: var(--ink);
    background: var(--raised);
    box-shadow: var(--out);
}

.shot {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(28, 32, 48, 0.08);
    background: #fff;
    box-shadow: none;
}

.shot img {
    display: block;
    width: 100%;
    height: auto;
    box-shadow: none;
}

/* qg */
.qg {
    display: grid;
    gap: 18px;
}

@media (min-width: 860px) {
    .qg { grid-template-columns: 280px 1fr; align-items: center; }
}

.qg__copy h3 {
    font-size: 22px;
    letter-spacing: -0.03em;
    margin-bottom: 8px;
}

.qg__copy p { color: var(--muted); }

/* bridge */
.bridge {
    margin: 10px auto 20px;
    width: min(1200px, calc(100% - 40px));
    border-radius: 28px;
    padding: 48px 28px;
    color: #f4f6fb;
    text-align: center;
    background: linear-gradient(165deg, #2c3244 0%, #171a24 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        12px 16px 32px rgba(28, 32, 48, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.bridge h2 {
    font-size: clamp(26px, 4vw, 40px);
    letter-spacing: -0.04em;
    margin-bottom: 10px;
}

.bridge p {
    color: rgba(255, 255, 255, 0.72);
    max-width: 38em;
    margin: 0 auto 22px;
}

.bridge-keys {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 22px;
}

.bridge .key {
    min-width: 110px;
    color: var(--ink);
}

/* contact */
.contact-grid {
    display: grid;
    gap: 28px;
}

@media (min-width: 860px) {
    .contact-grid { grid-template-columns: 0.8fr 1.2fr; align-items: start; }
}

.panel {
    background: var(--raised);
    border-radius: 24px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow: var(--out);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.field { display: flex; flex-direction: column; gap: 6px; }

.field span {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}

.field input,
.field textarea {
    font-family: inherit;
    font-size: 16px;
    color: var(--ink);
    padding: 13px 14px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: #e7ebf3;
    box-shadow: var(--in);
}

.field textarea { min-height: 120px; resize: vertical; }

.field input:focus,
.field textarea:focus {
    outline: none;
    box-shadow: var(--in), 0 0 0 3px rgba(77, 168, 255, 0.2);
}

.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.form-status {
    display: none;
    font-size: 14px;
    padding: 10px 12px;
    border-radius: 12px;
}

.form-status.visible { display: block; }
.form-status.ok { background: rgba(60, 186, 122, 0.15); color: #146b3a; }
.form-status.err { background: rgba(255, 93, 162, 0.12); color: #9d2458; }

/* footer */
.foot {
    width: min(1200px, calc(100% - 40px));
    margin: 8px auto 28px;
    padding: 28px 26px 32px;
    border-radius: 28px;
    color: #aeb6c6;
    background: linear-gradient(165deg, #2c3244 0%, #171a24 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    font-size: 14px;
}

.foot-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 28px;
    justify-content: space-between;
    align-items: center;
}

.foot a { color: #d5dbe8; text-decoration: none; }
.foot a:hover { color: #fff; }

.foot-block {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 10px 22px;
    align-items: center;
}

.foot-label {
    font-family: var(--mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #8e97aa;
}

/* reveal */
.rise {
    opacity: 0;
    transform: translateY(18px);
}

.rise.is-in {
    opacity: 1;
    transform: none;
    transition: opacity 0.5s ease, transform 0.5s ease;
}

@media (prefers-reduced-motion: reduce) {
    .rise { opacity: 1; transform: none; }
}

@media (max-width: 720px) {
    .nav-switch a { padding: 8px 10px; font-size: 12px; }
    .meters { grid-template-columns: 1fr; }
    h1 { font-size: 34px; }
}