:root {
    --bg: #f8f3ef;
    --bg-accent: #f5e9df;
    --surface: rgba(255, 255, 255, 0.72);
    --surface-strong: rgba(255, 255, 255, 0.88);
    --text: #27313a;
    --muted: #60707d;
    --line: rgba(65, 77, 87, 0.12);
    --shadow: 0 24px 70px rgba(84, 87, 105, 0.16);
    --shadow-soft: 0 10px 30px rgba(84, 87, 105, 0.12);
    --action: #ff8d7a;
    --action-hover: #f37362;
    --action-text: #ffffff;
    --overlay-contrast: #ffffff;
    --overlay-surface: rgba(22, 28, 34, 0.24);
    --overlay-border: rgba(255, 255, 255, 0.24);
    --overlay-button: rgba(255, 255, 255, 0.18);
    --overlay-button-strong: rgba(255, 255, 255, 0.28);
    --overlay-hint: rgba(255, 255, 255, 0.9);
    --overlay-separator: rgba(255, 255, 255, 0.45);
    --radius-xl: 28px;
    --radius-lg: 20px;
    --radius-md: 14px;
    --max-width: 1120px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "DM Sans", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(255, 255, 255, 0.95), transparent 36%),
        radial-gradient(circle at bottom right, rgba(255, 203, 174, 0.35), transparent 28%),
        linear-gradient(160deg, var(--bg) 0%, #eef4f4 100%);
    color: var(--text);
}

body {
    min-height: 100vh;
    min-height: 100dvh;
}

button,
input,
select,
textarea {
    font: inherit;
}

.page-shell {
    width: min(calc(100% - 1.5rem), var(--max-width));
    margin: 0 auto;
    padding:
        max(1rem, env(safe-area-inset-top))
        0
        max(2rem, env(safe-area-inset-bottom));
}

.hero-card {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 1.5rem;
    padding: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.58));
    box-shadow: var(--shadow);
    backdrop-filter: blur(16px);
}

.hero-card::before,
.hero-card::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(8px);
    opacity: 0.65;
    pointer-events: none;
}

.hero-card::before {
    top: -4rem;
    right: -3rem;
    width: 10rem;
    height: 10rem;
    background: rgba(255, 182, 193, 0.35);
}

.hero-card::after {
    left: -2.5rem;
    bottom: -3rem;
    width: 8rem;
    height: 8rem;
    background: rgba(173, 216, 230, 0.28);
}

.hero-copy,
.cta-panel {
    position: relative;
    z-index: 1;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 239, 227, 0.95);
    color: #9a5a4d;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

h1 {
    margin: 0.9rem 0 0.75rem;
    font-family: "Space Grotesk", sans-serif;
    font-size: clamp(2rem, 7vw, 4.5rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.lead {
    margin: 0;
    max-width: 40rem;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--muted);
}

.cta-panel {
    display: grid;
    gap: 1rem;
}

.primary-button,
.control-button,
.ghost-button {
    border: 0;
    border-radius: 999px;
    transition:
        transform 160ms ease,
        background-color 160ms ease,
        opacity 160ms ease,
        box-shadow 160ms ease;
    cursor: pointer;
}

.primary-button {
    justify-self: start;
    min-height: 3.75rem;
    padding: 0 1.4rem;
    background: var(--action);
    color: var(--action-text);
    font-weight: 700;
    box-shadow: 0 14px 30px rgba(255, 141, 122, 0.35);
}

.primary-button:hover,
.primary-button:focus-visible {
    background: var(--action-hover);
    transform: translateY(-1px);
}

.instructions-card {
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.7);
    box-shadow: var(--shadow-soft);
}

.instructions-card h2 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
}

.instructions-list {
    margin: 0;
    padding-left: 1.15rem;
    color: var(--muted);
    line-height: 1.6;
}

.instructions-list li + li {
    margin-top: 0.45rem;
}

kbd {
    display: inline-block;
    min-width: 1.5rem;
    padding: 0.15rem 0.45rem;
    border: 1px solid rgba(39, 49, 58, 0.14);
    border-bottom-width: 2px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    font-size: 0.82em;
    font-family: "Space Grotesk", sans-serif;
    text-align: center;
}

.test-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: none;
    isolation: isolate;
    min-height: 100vh;
    min-height: 100dvh;
}

.test-overlay.active {
    display: block;
}

.test-canvas {
    position: absolute;
    inset: 0;
    background: #ff0000;
    transition: background-color 180ms linear;
}

.overlay-top,
.overlay-bottom {
    position: absolute;
    left: 0;
    right: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding:
        1rem
        max(1rem, env(safe-area-inset-right))
        1rem
        max(1rem, env(safe-area-inset-left));
    transition:
        opacity 180ms ease,
        transform 180ms ease,
        visibility 180ms ease;
}

.overlay-top {
    top: 0;
    justify-content: space-between;
    padding-top: max(1rem, env(safe-area-inset-top));
}

.overlay-bottom {
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

.test-overlay.chrome-hidden .overlay-top,
.test-overlay.chrome-hidden .overlay-bottom {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.test-overlay.chrome-hidden .overlay-top {
    transform: translateY(-0.75rem);
}

.test-overlay.chrome-hidden .overlay-bottom {
    transform: translateY(0.75rem);
}

.status-pill,
.control-cluster,
.ghost-button {
    backdrop-filter: blur(14px);
}

.status-pill,
.control-cluster {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--overlay-border);
    border-radius: 999px;
    background: var(--overlay-surface);
    color: var(--overlay-contrast);
}

.status-pill {
    font-weight: 700;
}

.status-separator {
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background: var(--overlay-separator);
}

.control-cluster {
    justify-content: center;
    flex-wrap: wrap;
}

.control-cluster.compact {
    flex-direction: column;
    border-radius: 24px;
}

.control-button {
    min-height: 3.25rem;
    padding: 0 1rem;
    background: var(--overlay-button);
    color: var(--overlay-contrast);
    font-weight: 700;
}

.control-button.prominent {
    background: var(--overlay-button-strong);
}

.control-button:hover,
.control-button:focus-visible,
.ghost-button:hover,
.ghost-button:focus-visible {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.32);
}

.ghost-button {
    min-height: 3rem;
    padding: 0 1rem;
    border: 1px solid var(--overlay-border);
    background: var(--overlay-surface);
    color: var(--overlay-contrast);
    font-weight: 700;
}

.shortcut-hint {
    margin: 0;
    color: var(--overlay-hint);
    text-align: center;
    font-size: 0.92rem;
}

button:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.6);
    outline-offset: 3px;
}

@media (min-width: 768px) {
    .page-shell {
        padding:
            max(2rem, env(safe-area-inset-top))
            0
            max(3rem, env(safe-area-inset-bottom));
    }

    .hero-card {
        grid-template-columns: minmax(0, 1.4fr) minmax(21rem, 0.9fr);
        align-items: end;
        min-height: min(88vh, 760px);
        padding: 2rem;
    }

    .instructions-card {
        padding: 1.25rem;
    }

    .overlay-bottom {
        flex-direction: row;
        align-items: end;
        justify-content: space-between;
    }

    .control-cluster.compact {
        align-items: flex-end;
    }
}

@media (display-mode: standalone) {
    body {
        min-height: 100dvh;
    }

    .hero-card {
        min-height: min(90dvh, 760px);
    }
}

@media (max-width: 767px) {
    .shortcut-hint {
        line-height: 1.5;
    }

    .status-pill,
    .control-cluster,
    .ghost-button {
        border-radius: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}