/* ============================================================
   NovaKnowledge promo — styles
   Light + dark via [data-theme] with prefers-color-scheme fallback
   ============================================================ */

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

:root {
    --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --font-body:    'Inter', system-ui, -apple-system, sans-serif;

    /* light: pale dawn sky */
    --bg:        #f4f6fd;
    --bg-2:      #ffffff;
    --surface:   rgba(255,255,255,.72);
    --surface-2: #eef1fb;
    --border:    rgba(28,31,60,.10);
    --text:      #141733;
    --text-2:    #4b5075;
    --text-3:    #7e83a8;
    --accent:    #7a1fd6;
    --accent-2:  #2b7ff5;
    --accent-3:  #ff3d9a;
    --accent-4:  #ffb02e;
    --glow:      rgba(122,31,214,.26);
    --glow-2:    rgba(43,127,245,.22);
    --star:      rgba(20,23,51,.55);
    --shadow:    0 20px 60px rgba(20,23,51,.10);
    --radius:    16px;
    --radius-sm: 10px;
    --nav-h:     68px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg:        #070a1a;
        --bg-2:      #0c1024;
        --surface:   rgba(16,20,44,.66);
        --surface-2: #121736;
        --border:    rgba(255,255,255,.10);
        --text:      #eef0ff;
        --text-2:    #b6bbe0;
        --text-3:    #7d84b8;
        --accent:    #b06cff;
        --accent-2:  #4f9dff;
        --accent-3:  #ff6fb5;
        --accent-4:  #ffc457;
        --glow:      rgba(176,108,255,.35);
        --glow-2:    rgba(79,157,255,.25);
        --star:      rgba(255,255,255,.85);
        --shadow:    0 24px 70px rgba(0,0,0,.55);
    }
}
:root[data-theme="dark"] {
    --bg:        #070a1a;
    --bg-2:      #0c1024;
    --surface:   rgba(16,20,44,.66);
    --surface-2: #121736;
    --border:    rgba(255,255,255,.10);
    --text:      #eef0ff;
    --text-2:    #b6bbe0;
    --text-3:    #7d84b8;
    --accent:    #b06cff;
    --accent-2:  #4f9dff;
    --accent-3:  #ff6fb5;
    --accent-4:  #ffc457;
    --glow:      rgba(176,108,255,.35);
    --glow-2:    rgba(79,157,255,.25);
    --star:      rgba(255,255,255,.85);
    --shadow:    0 24px 70px rgba(0,0,0,.55);
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background .3s, color .3s;
}
a { color: inherit; }
code { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: .9em; background: var(--surface-2); border: 1px solid var(--border); border-radius: 6px; padding: .1em .4em; }

/* ─── Sky ──────────────────────────────────────────────────────────────────── */
#stars { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.nova-glow {
    position: fixed; z-index: 0; pointer-events: none;
    width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
    top: -20vw; right: -18vw;
    background: radial-gradient(circle at center, var(--glow) 0%, var(--glow-2) 32%, transparent 65%);
    filter: blur(20px);
    animation: breathe 9s ease-in-out infinite;
}
@keyframes breathe { 0%,100% { transform: scale(1); opacity: .9; } 50% { transform: scale(1.08); opacity: 1; } }

main, .nav, .footer, .marquee { position: relative; z-index: 1; }

/* ─── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .85rem 1.5rem; border-radius: 999px;
    font-family: var(--font-display); font-weight: 600; font-size: .95rem;
    text-decoration: none; border: 1px solid transparent; cursor: pointer;
    transition: transform .15s, box-shadow .2s, background .2s, border-color .2s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--accent-3), var(--accent) 55%, var(--accent-2));
    box-shadow: 0 10px 30px var(--glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px var(--glow); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); }
.btn-sm { padding: .55rem 1.1rem; font-size: .85rem; }
.btn-lg { padding: 1.05rem 2.1rem; font-size: 1.05rem; }

/* ─── Nav ──────────────────────────────────────────────────────────────────── */
.nav {
    position: sticky; top: 0; z-index: 20;
    height: var(--nav-h);
    display: flex; align-items: center; gap: 2rem;
    padding: 0 clamp(1.25rem, 4vw, 3rem);
    background: color-mix(in srgb, var(--bg) 78%, transparent);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: .65rem; text-decoration: none; }
.brand-logo { height: 34px; width: auto; display: block; }
.footer-logo { height: 26px; }
.logo-dark { display: none; }
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark  { display: block; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .logo-light { display: none; }
    :root:not([data-theme="light"]) .logo-dark  { display: block; }
}
.cta-mark { height: 72px; width: auto; margin: 0 auto 1rem; display: block; filter: drop-shadow(0 10px 24px var(--glow)); }
.brand-mark {
    width: 30px; height: 30px; border-radius: 50%; position: relative;
    background: radial-gradient(circle at 40% 40%, #fff 0%, var(--accent) 35%, transparent 72%);
    box-shadow: 0 0 22px var(--glow);
}
.brand-mark span { position: absolute; inset: -6px; border: 1px solid var(--accent); border-radius: 50%; opacity: .5; transform: rotate(-20deg) scaleY(.45); }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand-name em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 1.5rem; margin-left: auto; }
.nav-links a { text-decoration: none; color: var(--text-2); font-weight: 500; font-size: .92rem; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: .75rem; }
.theme-toggle {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border); background: var(--surface); color: var(--text);
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
    transition: border-color .15s, transform .2s;
}
.theme-toggle:hover { border-color: var(--accent); transform: rotate(15deg); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: block; }
}

/* ─── Hero ─────────────────────────────────────────────────────────────────── */
.hero {
    max-width: 1200px; margin: 0 auto;
    padding: clamp(3rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 3rem) 3rem;
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 3rem; align-items: center;
}
.eyebrow { display: inline-flex; align-items: center; gap: .55rem; font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--text-3); margin-bottom: 1.25rem; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 0 var(--glow-2); animation: pulse 2.2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--glow-2); } 70% { box-shadow: 0 0 0 10px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hero h1 {
    font-family: var(--font-display); font-weight: 700;
    font-size: clamp(2.3rem, 5.2vw, 4rem); line-height: 1.05; letter-spacing: -.025em;
    margin-bottom: 1.25rem;
}
.grad { background: linear-gradient(90deg, var(--accent-4), var(--accent-3), var(--accent), var(--accent-2)); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 6s linear infinite; }
@keyframes shimmer { to { background-position: 200% 0; } }
.lead { font-size: 1.15rem; color: var(--text-2); max-width: 54ch; margin-bottom: 1.75rem; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-bottom: 2.25rem; }
.hero-stats { list-style: none; display: flex; gap: 2rem; }
.hero-stats li { display: flex; flex-direction: column; }
.hero-stats strong { font-family: var(--font-display); font-size: 1.8rem; line-height: 1; }
.hero-stats span { font-size: .8rem; color: var(--text-3); text-transform: uppercase; letter-spacing: .06em; }

/* hero visual: orbits + mock */
.hero-visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.orbit { position: absolute; border: 1px dashed color-mix(in srgb, var(--accent) 45%, transparent); border-radius: 50%; animation: spin linear infinite; }
.orbit i { position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 14px var(--accent-2); }
.orbit-1 { width: 105%; aspect-ratio: 1; animation-duration: 38s; }
.orbit-2 { width: 125%; aspect-ratio: 1; animation-duration: 56s; animation-direction: reverse; opacity: .7; }
.orbit-2 i { background: var(--accent-3); box-shadow: 0 0 14px var(--accent-3); }
.orbit-3 { width: 145%; aspect-ratio: 1; animation-duration: 80s; opacity: .45; }
.orbit-3 i { background: var(--accent); box-shadow: 0 0 14px var(--accent); }
@keyframes spin { to { transform: rotate(360deg); } }

.mock {
    position: relative; width: 100%; max-width: 520px;
    background: var(--bg-2); border: 1px solid var(--border); border-radius: 14px;
    box-shadow: var(--shadow); overflow: hidden;
    font-size: .72rem; transform: rotate(-2deg);
    transition: transform .4s;
}
.hero-visual:hover .mock { transform: rotate(0); }
.mock-bar { display: flex; align-items: center; gap: .5rem; padding: .7rem .8rem; background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 55%, var(--accent-2))); }
.mock-logo { height: 24px; width: auto; flex-shrink: 0; background: rgba(255,255,255,.9); border-radius: 6px; padding: 2px; }
.mock-search { flex: 1; display: flex; background: #fff; border-radius: 5px; overflow: hidden; }
.mock-search-text { flex: 1; padding: .4rem .6rem; color: #9aa0b8; }
.mock-search-btn { padding: .4rem .7rem; background: #0f1b3a; color: #fff; }
.mock-browse { padding: .4rem .7rem; border: 1px solid rgba(255,255,255,.8); border-radius: 5px; color: #fff; white-space: nowrap; }
.mock-crumb { padding: .45rem .8rem; background: var(--surface-2); color: var(--accent); font-weight: 600; display: flex; align-items: center; gap: .35rem; }
.mock-home { width: 10px; height: 10px; background: var(--accent); clip-path: polygon(50% 0, 100% 45%, 85% 45%, 85% 100%, 15% 100%, 15% 45%, 0 45%); }
.mock-body { padding: .9rem .9rem 1rem; }
.mock-title { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; color: var(--text); display: flex; align-items: center; gap: .45rem; padding-bottom: .6rem; border-bottom: 1px solid var(--border); }
.mock-q { width: 20px; height: 20px; border-radius: 6px 6px 8px 8px; background: var(--accent); color: #fff; display: inline-grid; place-items: center; font-size: .75rem; }
.mock-meta { display: flex; gap: .35rem; flex-wrap: wrap; padding: .6rem 0; border-bottom: 1px solid var(--border); }
.mock-tag { background: var(--surface-2); color: var(--text-2); padding: .25rem .5rem; border-radius: 4px; }
.mock-pill { background: #e7f8f4; color: #2a9c86; padding: .25rem .55rem; border-radius: 4px; }
.mock-lines { display: flex; flex-direction: column; gap: .45rem; padding: .9rem 0; }
.mock-lines span { height: 7px; border-radius: 4px; background: var(--surface-2); display: block; }
.mock-help { border-top: 1px solid var(--border); padding-top: .7rem; }
.mock-help-q { display: block; font-weight: 600; color: var(--accent); margin-bottom: .45rem; font-size: .85rem; }
.mock-help-btns { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.mock-help-btns span { text-align: center; padding: .5rem; border-radius: 4px; font-weight: 600; }
.mock-help-btns .yes { background: #e7f8f4; color: #2a9c86; }
.mock-help-btns .no  { background: #fdecec; color: #dc2626; }

/* ─── Marquee ──────────────────────────────────────────────────────────────── */
.marquee { overflow: hidden; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: .8rem 0; background: color-mix(in srgb, var(--surface-2) 60%, transparent); mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.marquee-track { display: flex; gap: 2.5rem; width: max-content; animation: scroll 40s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); white-space: nowrap; }
.marquee-track span::before { content: '✦'; color: var(--accent); margin-right: 2.5rem; }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ─── Sections ─────────────────────────────────────────────────────────────── */
.section { max-width: 1200px; margin: 0 auto; padding: clamp(3.5rem, 8vw, 6rem) clamp(1.25rem, 4vw, 3rem); }
.section-head { max-width: 680px; margin-bottom: 2.5rem; }
.kicker { font-size: .78rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: .6rem; }
.section h2 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -.02em; line-height: 1.15; margin-bottom: .75rem; }
.sub { color: var(--text-2); font-size: 1.05rem; }

/* features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.1rem; }
.feature {
    position: relative; padding: 1.5rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: transform .2s, border-color .2s, box-shadow .25s;
}
.feature::after { content: ''; position: absolute; top: 14px; right: 16px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); opacity: .6; }
.feature:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); box-shadow: 0 16px 40px var(--glow); }
.feature-icon { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; font-size: 1.25rem; font-weight: 700; color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); margin-bottom: 1rem; }
.feature h3 { font-family: var(--font-display); font-size: 1.08rem; margin-bottom: .4rem; }
.feature p { color: var(--text-2); font-size: .93rem; }

/* themes */
.themes { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.theme-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; backdrop-filter: blur(10px); }
.theme-card figcaption { padding: 1.25rem 1.5rem 1.5rem; }
.theme-card h3 { font-family: var(--font-display); font-size: 1.15rem; margin-bottom: .35rem; }
.theme-card p { color: var(--text-2); font-size: .93rem; }
.theme-preview { aspect-ratio: 16 / 10; background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 1rem; display: flex; flex-direction: column; gap: .6rem; }
.theme-preview span, .theme-preview i { display: block; }
.tp-hero { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border-radius: 8px; padding: .9rem; display: flex; flex-direction: column; gap: .4rem; }
.tp-logo { width: 26px; height: 26px; border-radius: 7px; background: rgba(255,255,255,.85); }
.tp-h1 { width: 55%; height: 10px; border-radius: 5px; background: rgba(255,255,255,.95); }
.tp-desc { width: 40%; height: 6px; border-radius: 3px; background: rgba(255,255,255,.6); }
.tp-search { height: 26px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2); }
.tp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; flex: 1; }
.tp-grid span { border: 1px solid var(--border); border-radius: 6px; background: var(--surface-2); }
.tp-bar { display: flex; align-items: center; gap: .5rem; background: var(--accent); border-radius: 6px; padding: .55rem .7rem; }
.tp-bar-search { flex: 1; height: 22px; border-radius: 4px; background: #fff; }
.tp-bar-btn { width: 70px; height: 22px; border-radius: 4px; border: 1px solid rgba(255,255,255,.8); }
.tp-crumb { height: 16px; border-radius: 4px; background: var(--surface-2); }
.tp-article { flex: 1; display: flex; flex-direction: column; gap: .45rem; padding: .3rem .2rem 0; }
.tp-title { width: 60%; height: 12px; border-radius: 5px; background: var(--accent); }
.tp-tags { display: flex; gap: .35rem; padding: .3rem 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.tp-tags i { width: 44px; height: 12px; border-radius: 3px; background: var(--surface-2); }
.tp-tags i.pill { width: 90px; background: #e7f8f4; }
.tp-line { height: 6px; border-radius: 3px; background: var(--surface-2); }
.tp-line.short { width: 50%; }
.tp-help { margin-top: auto; display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.tp-help i { height: 22px; border-radius: 4px; background: #e7f8f4; }
.tp-help i + i { background: #fdecec; }

/* journey band */
.section-band { max-width: none; padding-left: 0; padding-right: 0; background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface-2) 70%, transparent) 20%, color-mix(in srgb, var(--surface-2) 70%, transparent) 80%, transparent); }
.journey { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1.25rem, 4vw, 3rem); display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; align-items: center; }
.journey-steps { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.journey-steps li { display: flex; gap: 1.1rem; padding: 1.15rem 1.25rem; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); backdrop-filter: blur(8px); }
.step-n { font-family: var(--font-display); font-weight: 700; color: var(--accent); font-size: 1.1rem; min-width: 2ch; }
.journey-steps strong { display: block; font-family: var(--font-display); margin-bottom: .2rem; }
.journey-steps p { color: var(--text-2); font-size: .92rem; }

/* specs */
.specs { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.5rem; align-items: start; }
.spec-list { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.spec-list > div { background: var(--surface); padding: 1.1rem 1.25rem; backdrop-filter: blur(8px); }
.spec-list dt { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-3); margin-bottom: .3rem; }
.spec-list dd { font-size: .95rem; color: var(--text); }
.spec-card { position: relative; overflow: hidden; padding: 1.75rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--bg-2); box-shadow: var(--shadow); }
.spec-card-glow { position: absolute; inset: auto -30% -50% auto; width: 80%; aspect-ratio: 1; background: radial-gradient(circle, var(--glow) 0%, transparent 65%); pointer-events: none; }
.spec-card-kicker { font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--text-3); margin-bottom: 1rem; }
.countdown { list-style: none; display: flex; flex-direction: column; gap: .75rem; position: relative; }
.countdown li { display: flex; align-items: center; gap: 1rem; font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.countdown span { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); font-size: 1.15rem; }
.countdown .go span { background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 0 24px var(--glow); }
.countdown .go { color: var(--accent); }

/* hosting & pricing */
.hosting { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; max-width: 860px; }
.host {
    position: relative; padding: 1.75rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    backdrop-filter: blur(10px); transition: transform .2s, box-shadow .25s;
}
.host:hover { transform: translateY(-4px); box-shadow: 0 16px 40px var(--glow); }
.host-hot { border-color: color-mix(in srgb, var(--accent) 60%, var(--border)); background: var(--bg-2); box-shadow: 0 20px 50px var(--glow); }
.host h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: .25rem; }
.host-example { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: .85rem; color: var(--accent); margin-bottom: 1rem; }
.host-price { font-family: var(--font-display); font-weight: 700; font-size: 2.8rem; line-height: 1; display: flex; align-items: baseline; gap: .15rem; margin-bottom: .75rem; }
.host-price sup { font-size: 1.1rem; align-self: flex-start; margin-top: .4rem; }
.host-price span { font-family: var(--font-body); font-weight: 500; font-size: .9rem; color: var(--text-3); margin-left: .4rem; }
.host-blurb { color: var(--text-2); font-size: .93rem; }

/* faq */
.faq { max-width: 780px; display: flex; flex-direction: column; gap: .7rem; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); backdrop-filter: blur(8px); transition: border-color .2s; }
.faq-item[open] { border-color: color-mix(in srgb, var(--accent) 50%, var(--border)); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; font-family: var(--font-display); font-weight: 600; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--border); position: relative; flex-shrink: 0; transition: transform .2s, background .2s; }
.faq-item summary i::before, .faq-item summary i::after { content: ''; position: absolute; top: 50%; left: 50%; width: 10px; height: 2px; background: currentColor; transform: translate(-50%, -50%); }
.faq-item summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary i { transform: rotate(45deg); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.faq-item p { padding: 0 1.25rem 1.15rem; color: var(--text-2); font-size: .95rem; }

/* cta */
.cta { padding: 2rem clamp(1.25rem, 4vw, 3rem) 5rem; }
.cta-inner {
    max-width: 1200px; margin: 0 auto; text-align: center;
    padding: clamp(2.5rem, 6vw, 4.5rem) 1.5rem;
    border-radius: 24px; border: 1px solid var(--border);
    background:
        radial-gradient(ellipse at 20% 0%, var(--glow) 0%, transparent 55%),
        radial-gradient(ellipse at 90% 100%, var(--glow-2) 0%, transparent 50%),
        var(--bg-2);
    box-shadow: var(--shadow);
}
.cta h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -.02em; margin-bottom: .6rem; }
.cta p { color: var(--text-2); font-size: 1.1rem; margin-bottom: 1.6rem; }

/* footer */
.footer { border-top: 1px solid var(--border); padding: 1.5rem clamp(1.25rem, 4vw, 3rem); }
.footer-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; font-size: .85rem; color: var(--text-3); }
.footer-domain { font-family: var(--font-display); font-weight: 600; color: var(--text-2); }
.footer-copy { margin-left: auto; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ─── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 960px) {
    .hero { grid-template-columns: 1fr; gap: 3.5rem; }
    .hero-visual { min-height: 0; padding: 2rem 0; }
    .orbit-3 { display: none; }
    .themes, .specs, .journey, .hosting { grid-template-columns: 1fr; }
    .nav-links { display: none; }
}
@media (max-width: 600px) {
    .spec-list { grid-template-columns: 1fr; }
    .hero-stats { gap: 1.25rem; }
    .mock { transform: none; }
    .orbit-2 { display: none; }
}
@media (prefers-reduced-motion: reduce) {
    .orbit, .marquee-track, .grad, .nova-glow, .pulse { animation: none !important; }
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}