/* ----------------------------------------------------------- design tokens */
:root {
    --bg:           #0b0c0e;
    --bg-elev:      #111317;
    --surface:      #15171a;
    --surface-2:    #1d1f23;
    --border:       #26282d;
    --text:         #e8e6e1;
    --muted:        #7a7e88;
    --muted-soft:   #525660;
    --accent:       #d4a574;
    --accent-dim:   #8a6f4a;
    --danger:       #c9624c;
    --tint:         var(--accent);

    --r-xs: 6px;
    --r-sm: 10px;
    --r-md: 14px;
    --r-lg: 20px;
    --r-xl: 28px;

    --lift:   cubic-bezier(0.22, 1, 0.36, 1);
    --snap:   cubic-bezier(0.16, 1, 0.3, 1);
    --smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);

    --display: 'Fraunces', 'Times New Roman', serif;
    --body:    'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--body);
    font-size: 16px;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--bg); }

a { color: inherit; text-decoration: none; }

code, .mono { font-family: var(--mono); font-size: 0.86em; }

.muted { color: var(--muted); }
.small { font-size: 0.78rem; }

/* --------------------------------------------------------------------- nav */
.nav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px clamp(20px, 5vw, 72px);
    background: color-mix(in oklab, var(--bg) 86%, transparent);
    backdrop-filter: saturate(140%) blur(18px);
    -webkit-backdrop-filter: saturate(140%) blur(18px);
    border-bottom: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
}

.brand-mark {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    display: grid;
    place-items: center;
    box-shadow: 0 4px 16px color-mix(in oklab, var(--accent) 30%, transparent);
}
.brand-mark img { width: 70%; height: 70%; object-fit: contain; filter: brightness(0) saturate(100%); }
.brand-mark.sm { width: 22px; height: 22px; border-radius: 6px; }

.brand-word {
    font-family: var(--display);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: clamp(8px, 2.5vw, 28px);
    align-items: center;
    font-size: 0.9rem;
}
.nav-links a {
    color: var(--muted);
    transition: color 180ms var(--lift);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--r-pill, 999px);
    color: var(--text) !important;
    transition: border-color 200ms var(--lift), background 200ms var(--lift);
}
.nav-cta:hover {
    border-color: var(--accent);
    background: color-mix(in oklab, var(--accent) 12%, transparent);
}

/* --------------------------------------------------------- hero composition */
main { padding-bottom: 120px; }

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: clamp(24px, 5vw, 64px);
    align-items: center;
    padding: clamp(48px, 10vw, 120px) clamp(20px, 5vw, 72px) clamp(40px, 8vw, 96px);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: -20% -20% auto auto;
    width: 60%;
    height: 70%;
    background: radial-gradient(circle at 60% 40%, color-mix(in oklab, var(--accent) 16%, transparent), transparent 60%);
    pointer-events: none;
}

.eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(8px);
    animation: reveal 520ms var(--lift) 80ms forwards;
}

.hero h1 {
    font-family: var(--display);
    font-weight: 600;
    font-size: clamp(40px, 6.4vw, 84px);
    line-height: 0.98;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(16px);
    animation: reveal 640ms var(--lift) 140ms forwards;
}
.hero h1 em {
    font-style: italic;
    color: var(--accent);
    font-weight: 400;
}

.lede {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 52ch;
    margin-bottom: 36px;
    opacity: 0;
    transform: translateY(12px);
    animation: reveal 560ms var(--lift) 220ms forwards;
}

.hero-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 28px;
    opacity: 0;
    transform: translateY(12px);
    animation: reveal 560ms var(--lift) 300ms forwards;
}

.hero-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    color: var(--muted-soft);
    font-size: 0.75rem;
    opacity: 0;
    animation: reveal 560ms var(--lift) 380ms forwards;
}

/* hero art */
.hero-art {
    position: relative;
    aspect-ratio: 1;
    max-width: 420px;
    justify-self: end;
    width: 100%;
}
.art-plate {
    position: absolute;
    inset: 18%;
    border-radius: 32%;
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    display: grid;
    place-items: center;
    box-shadow:
        0 30px 80px color-mix(in oklab, var(--accent) 30%, transparent),
        inset 0 -8px 32px rgba(0,0,0,0.18);
    animation: float 7s var(--smooth) infinite;
}
.art-plate img {
    width: 60%; height: 60%;
    object-fit: contain;
    filter: brightness(0) saturate(100%);
}
.art-orbit {
    position: absolute;
    border-radius: 50%;
    border: 1px dashed color-mix(in oklab, var(--accent) 30%, transparent);
}
.art-orbit.a { inset: 8%;  animation: spin 28s linear infinite; }
.art-orbit.b { inset: 0;   animation: spin 44s linear infinite reverse; opacity: 0.5; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------------------------------------------------------------- buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    border-radius: var(--r-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition:
        transform 220ms var(--lift),
        background 220ms var(--lift),
        border-color 220ms var(--lift),
        box-shadow 240ms var(--lift);
    border: 1px solid transparent;
    cursor: pointer;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
    background: var(--accent);
    color: var(--bg);
    box-shadow: 0 10px 30px color-mix(in oklab, var(--accent) 28%, transparent);
}
.btn-primary:hover {
    background: color-mix(in oklab, var(--accent) 92%, white);
    box-shadow: 0 14px 38px color-mix(in oklab, var(--accent) 38%, transparent);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}
.btn-ghost:hover {
    border-color: var(--accent);
    background: color-mix(in oklab, var(--accent) 8%, transparent);
}

.btn-big { padding: 16px 28px; font-size: 1rem; }

/* ------------------------------------------------------- how-it-works */
.how {
    padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
    border-top: 1px solid var(--border);
}
.how .eyebrow { display: block; }

.how-grid {
    margin-top: 32px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    overflow: hidden;
}

.step {
    background: var(--surface);
    padding: 36px 30px;
    transition: background 240ms var(--lift);
}
.step:hover { background: var(--surface-2); }
.step-num {
    font-family: var(--mono);
    font-size: 0.74rem;
    letter-spacing: 1.5px;
    color: var(--accent);
    display: block;
    margin-bottom: 18px;
}
.step h3 {
    font-family: var(--display);
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}
.step p {
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.55;
}
.step code {
    background: color-mix(in oklab, var(--accent) 14%, transparent);
    color: var(--accent);
    padding: 1px 6px;
    border-radius: 4px;
}

/* ---------------------------------------------------------- catalog */
.catalog {
    padding: clamp(48px, 8vw, 96px) clamp(20px, 5vw, 72px);
    border-top: 1px solid var(--border);
}
.catalog-head {
    margin-bottom: 36px;
    display: flex;
    align-items: baseline;
    gap: 16px;
    flex-wrap: wrap;
}
.catalog-head h2 {
    font-family: var(--display);
    font-size: clamp(34px, 4vw, 56px);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.apps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 14px;
}

.app {
    --tint: var(--accent);
    border: 1px solid var(--border);
    background: var(--surface);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: border-color 220ms var(--lift), transform 220ms var(--lift), background 220ms var(--lift);
}
.app:hover {
    transform: translateY(-2px);
    border-color: color-mix(in oklab, var(--tint) 60%, var(--border));
    background: var(--surface-2);
}
.app a {
    display: grid;
    grid-template-columns: 64px 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
}
.app-icon {
    width: 64px; height: 64px;
    border-radius: 14px;
    background: linear-gradient(135deg, color-mix(in oklab, var(--tint) 70%, var(--surface-2)), var(--surface-2));
    display: grid;
    place-items: center;
    overflow: hidden;
    border: 1px solid var(--border);
}
.app-icon img { width: 100%; height: 100%; object-fit: cover; }
.app-icon span { font-family: var(--display); font-size: 1.6rem; color: var(--bg); font-weight: 700; }

.app-meta h3 {
    font-family: var(--body);
    font-size: 1.02rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.app-meta p { font-size: 0.82rem; }

.app-arrow {
    color: var(--muted);
    font-size: 1.4rem;
    transition: transform 220ms var(--lift), color 220ms var(--lift);
}
.app:hover .app-arrow { color: var(--tint); transform: translateX(4px); }

.empty {
    padding: 64px 32px;
    text-align: center;
    border: 1px dashed var(--border);
    border-radius: var(--r-lg);
    background: var(--surface);
}
.empty h3 {
    font-family: var(--display);
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}
.empty p { color: var(--muted); }
.empty code {
    background: color-mix(in oklab, var(--accent) 14%, transparent);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 4px;
}

/* ------------------------------------------------------------ install page */
.install {
    --tint: var(--accent);
    max-width: 720px;
    margin: 0 auto;
    padding: clamp(40px, 8vw, 80px) clamp(20px, 5vw, 32px);
}

.install .eyebrow {
    color: var(--tint);
    display: block;
    text-align: center;
}

.install-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 36px;
    margin-bottom: 28px;
    position: relative;
    overflow: hidden;
}
.install-card::before {
    content: "";
    position: absolute;
    inset: -40% -20% auto -20%;
    height: 70%;
    background: radial-gradient(ellipse at center, color-mix(in oklab, var(--tint) 18%, transparent), transparent 65%);
    pointer-events: none;
}
.install-head {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 32px;
    position: relative;
}
.install-icon {
    width: 88px; height: 88px;
    border-radius: 22px;
    background: linear-gradient(135deg, var(--tint), color-mix(in oklab, var(--tint) 60%, black));
    display: grid;
    place-items: center;
    border: 1px solid var(--border);
    overflow: hidden;
}
.install-icon img { width: 100%; height: 100%; object-fit: cover; }
.install-icon span { font-family: var(--display); font-size: 2.2rem; color: var(--bg); font-weight: 700; }

.install-head h1 {
    font-family: var(--display);
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 4px;
}

.install-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin-bottom: 28px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 18px 0;
}
.install-stats > div + div { border-left: 1px solid var(--border); }
.install-stats > div { text-align: center; padding: 0 8px; }
.install-stats dt {
    font-family: var(--mono);
    font-size: 0.66rem;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 4px;
}
.install-stats dd {
    font-weight: 600;
    color: var(--text);
}

.install .btn-big {
    width: 100%;
    justify-content: center;
    background: var(--tint);
    box-shadow: 0 14px 40px color-mix(in oklab, var(--tint) 36%, transparent);
}
.install-hint {
    text-align: center;
    color: var(--muted);
    margin-top: 14px;
}

.install-about, .install-trust {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 28px 32px;
    margin-bottom: 18px;
}
.install-about h2, .install-trust h2 {
    font-family: var(--display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 14px;
}
.install-trust ol { padding-left: 18px; }
.install-trust li { margin-bottom: 10px; color: var(--muted); }
.install-trust li em { color: var(--text); font-style: italic; }
.install-trust a { color: var(--accent); border-bottom: 1px solid color-mix(in oklab, var(--accent) 40%, transparent); }

/* ------------------------------------------------------------- footer */
.foot {
    border-top: 1px solid var(--border);
    padding: 56px clamp(20px, 5vw, 72px) 28px;
    color: var(--muted);
}
.foot-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 36px;
}
.foot h4 {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text);
    margin-bottom: 12px;
}
.foot a { display: block; color: var(--muted); transition: color 200ms var(--lift); }
.foot a:hover { color: var(--accent); }
.foot-rule { height: 1px; background: var(--border); margin-bottom: 18px; }
.foot-fine {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--muted-soft);
}

/* --------------------------------------------------------------- keyframes */
@keyframes reveal {
    to { opacity: 1; transform: translateY(0); }
}

/* ----------------------------------------------------------------- mobile */
@media (max-width: 880px) {
    .hero { grid-template-columns: 1fr; }
    .hero-art { max-width: 300px; margin: 0 auto; }
    .how-grid { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr; gap: 28px; }
    .install-stats { grid-template-columns: repeat(2, 1fr); row-gap: 16px; }
    .install-stats > div + div { border-left: 0; }
    .install-stats > div:nth-child(3),
    .install-stats > div:nth-child(4) { border-top: 1px solid var(--border); padding-top: 16px; }
    .nav-links a:not(.nav-cta) { display: none; }
}