/* Vocalune for Mac. Dark, glass surfaces over a soft aurora, matching the app. */

:root {
    color-scheme: dark;
    --vl-bg: #0d0b1d;
    --vl-bg-2: #15102e;
    --vl-ink: #f5f4ff;
    --vl-ink-2: rgba(236, 233, 255, 0.74);
    --vl-ink-3: rgba(236, 233, 255, 0.54);
    --vl-accent: #b9a6ff;
    --vl-accent-strong: #8b6dff;
    --vl-teal: #6fd6e8;
    --vl-glass: rgba(255, 255, 255, 0.055);
    --vl-glass-strong: rgba(30, 24, 62, 0.62);
    --vl-stroke: rgba(255, 255, 255, 0.12);
    --vl-stroke-top: rgba(255, 255, 255, 0.22);
    --vl-radius: 22px;
    --vl-radius-lg: 30px;
    --vl-max: 1180px;
    --vl-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body.vocalune-mac {
    margin: 0;
    background: radial-gradient(120% 80% at 50% -10%, #2a1d63 0%, var(--vl-bg-2) 38%, var(--vl-bg) 70%) fixed, var(--vl-bg);
    color: var(--vl-ink);
    font: 100%/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.vocalune-mac a { color: var(--vl-accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.vocalune-mac a:hover { color: #d6cbff; }
.vocalune-mac :focus-visible { outline: 2px solid var(--vl-accent); outline-offset: 3px; border-radius: 8px; }
.vocalune-mac img { max-width: 100%; height: auto; display: block; }

.vl-skip { position: absolute; left: -9999px; top: 8px; z-index: 100; padding: 10px 16px; background: var(--vl-bg-2); border-radius: 12px; }
.vl-skip:focus { left: 16px; }

.vl-page { position: relative; overflow-x: clip; }

/* Glass material: a translucent layer with a bright top edge, like light catching it. */
.vl-glass {
    background: var(--vl-glass);
    border: 1px solid var(--vl-stroke);
    border-top-color: var(--vl-stroke-top);
    border-radius: var(--vl-radius);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    backdrop-filter: blur(24px) saturate(160%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 20px 50px -24px rgba(0, 0, 0, 0.6);
}

/* Navigation */
.vl-nav {
    position: sticky; top: 0; z-index: 50;
    background: rgba(13, 11, 29, 0.55);
    -webkit-backdrop-filter: blur(22px) saturate(180%);
    backdrop-filter: blur(22px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.vl-nav-inner { max-width: var(--vl-max); margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; gap: 24px; }
.vl-brand { display: flex; align-items: center; gap: 10px; color: var(--vl-ink) !important; text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.vl-brand img { width: 28px; height: 28px; border-radius: 7px; }
.vl-nav nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.vl-nav nav a { color: var(--vl-ink-2); text-decoration: none; font-size: 0.875rem; padding: 6px 12px; border-radius: 999px; transition: background 160ms var(--vl-ease), color 160ms var(--vl-ease); }
.vl-nav nav a:hover, .vl-nav nav a[aria-current="page"] { color: var(--vl-ink); background: rgba(255, 255, 255, 0.08); }
.vl-nav-badge { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em; color: var(--vl-accent); padding: 5px 11px; border-radius: 999px; background: rgba(185, 166, 255, 0.12); border: 1px solid rgba(185, 166, 255, 0.28); white-space: nowrap; }

/* Aurora background */
.vl-aurora {
    position: absolute; inset: -20% -10% auto; height: 900px; z-index: -1; pointer-events: none;
    background:
        radial-gradient(38% 42% at 22% 30%, rgba(139, 109, 255, 0.55), transparent 70%),
        radial-gradient(34% 40% at 78% 24%, rgba(80, 160, 255, 0.38), transparent 70%),
        radial-gradient(30% 34% at 55% 60%, rgba(111, 214, 232, 0.22), transparent 70%);
    filter: blur(30px);
    animation: vl-drift 24s ease-in-out infinite alternate;
}
.vl-aurora-soft { height: 520px; opacity: 0.6; }
@keyframes vl-drift {
    from { transform: translate3d(-2%, 0, 0) scale(1); }
    to { transform: translate3d(2%, 2%, 0) scale(1.06); }
}

/* Type */
.vl-eyebrow { margin: 0 0 10px; font-size: 0.8125rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--vl-accent); }
.vocalune-mac h1, .vocalune-mac h2, .vocalune-mac h3 { font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", system-ui, sans-serif; color: var(--vl-ink); margin: 0; }
.vocalune-mac h1 { font-size: clamp(2.4rem, 5.4vw, 4.25rem); line-height: 1.04; letter-spacing: -0.032em; font-weight: 700; }
.vocalune-mac h2 { font-size: clamp(1.9rem, 3.6vw, 2.9rem); line-height: 1.08; letter-spacing: -0.026em; font-weight: 700; }
.vocalune-mac h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); line-height: 1.18; letter-spacing: -0.018em; font-weight: 650; }
.vocalune-mac p { margin: 0; }
.vl-lede { font-size: clamp(1.08rem, 1.6vw, 1.3rem); line-height: 1.5; color: var(--vl-ink-2); letter-spacing: -0.006em; }

/* Hero */
.vl-hero { position: relative; max-width: var(--vl-max); margin: 0 auto; padding: 72px 24px 24px; text-align: center; }
.vl-hero-copy { max-width: 820px; margin: 0 auto; display: grid; gap: 18px; justify-items: center; }
.vl-hero-icon { width: 96px; height: 96px; border-radius: 22px; filter: drop-shadow(0 18px 40px rgba(110, 80, 255, 0.45)); margin-bottom: 6px; }
.vl-hero h1 { max-width: 15ch; }
.vl-hero .vl-lede { max-width: 62ch; }
.vl-meta { font-size: 0.875rem; color: var(--vl-ink-3); }
.vl-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; align-items: center; margin-top: 6px; }

.vl-store-badge {
    display: inline-flex; align-items: center; gap: 10px; padding: 10px 20px 10px 16px; border-radius: 14px;
    color: var(--vl-ink); background: rgba(255, 255, 255, 0.08); border: 1px solid var(--vl-stroke-top);
    -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); cursor: default; text-align: left;
}
.vl-store-badge small { display: block; font-size: 0.7rem; color: var(--vl-ink-3); line-height: 1.1; }
.vl-store-badge strong { display: block; font-size: 1.05rem; letter-spacing: -0.01em; line-height: 1.2; }
.vl-store-badge-small { padding: 9px 16px; font-weight: 600; font-size: 0.9rem; }

.vl-button-ghost {
    display: inline-flex; align-items: center; padding: 12px 20px; border-radius: 999px; font-weight: 600; font-size: 0.95rem;
    color: var(--vl-ink) !important; text-decoration: none; background: rgba(139, 109, 255, 0.22); border: 1px solid rgba(185, 166, 255, 0.4);
    transition: background 160ms var(--vl-ease), transform 120ms var(--vl-ease);
}
.vl-button-ghost:hover { background: rgba(139, 109, 255, 0.34); }
.vl-button-ghost:active { transform: scale(0.97); transition-duration: 80ms; }

.vl-hero-shot { margin: 56px auto 0; max-width: 1080px; }
.vl-hero-shot img, .vl-shot img { width: 100%; border-radius: 18px; filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 1px rgba(255, 255, 255, 0.3)); }

/* Facts */
.vl-facts { max-width: var(--vl-max); margin: 48px auto 0; padding: 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.vl-fact { padding: 22px 22px 20px; border-radius: var(--vl-radius); background: var(--vl-glass); border: 1px solid var(--vl-stroke); border-top-color: var(--vl-stroke-top); }
.vl-fact strong { display: block; font-size: clamp(2rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; line-height: 1; font-weight: 700;
    background: linear-gradient(120deg, #fff, var(--vl-accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.vl-fact span { display: block; margin-top: 8px; font-size: 0.9rem; color: var(--vl-ink-2); }

/* Sections */
.vl-section { max-width: var(--vl-max); margin: 0 auto; padding: 112px 24px 0; }
.vl-section-head { max-width: 760px; margin: 0 auto 48px; text-align: center; display: grid; gap: 14px; }
.vl-section-head p:not(.vl-eyebrow) { color: var(--vl-ink-2); font-size: 1.08rem; }

.vl-feature { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 56px; align-items: center; padding: 40px 0; }
.vl-feature-reverse .vl-feature-copy { order: 2; }
.vl-feature-copy { display: grid; gap: 16px; }
.vl-feature-copy > p:not(.vl-eyebrow) { color: var(--vl-ink-2); font-size: 1.05rem; }
.vl-shot { margin: 0; }
.vl-shot figcaption { margin-top: 14px; font-size: 0.875rem; color: var(--vl-ink-3); text-align: center; }
.vl-shot-wide { max-width: 1000px; margin: 0 auto 40px; }

.vl-list { margin: 4px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.vl-list li { position: relative; padding-left: 26px; color: var(--vl-ink-2); }
.vl-list li::before { content: ""; position: absolute; left: 4px; top: 0.6em; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--vl-accent), var(--vl-teal)); box-shadow: 0 0 10px rgba(185, 166, 255, 0.6); }

.vl-duo { margin: 40px 0; padding: 40px; background: linear-gradient(135deg, rgba(139, 109, 255, 0.14), rgba(111, 214, 232, 0.06)), var(--vl-glass); }
.vl-duo-head { display: grid; gap: 4px; margin-bottom: 28px; }
.vl-duo-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.vl-duo-grid > div { padding: 22px; border-radius: 18px; background: rgba(255, 255, 255, 0.045); border: 1px solid rgba(255, 255, 255, 0.08); }
.vl-duo h4 { margin: 0 0 8px; font-size: 1.05rem; letter-spacing: -0.01em; color: var(--vl-ink); }
.vl-duo-grid p { color: var(--vl-ink-2); font-size: 0.97rem; }

/* Model table */
.vl-table-wrap { overflow-x: auto; border-radius: var(--vl-radius); border: 1px solid var(--vl-stroke); background: var(--vl-glass); -webkit-backdrop-filter: blur(24px); backdrop-filter: blur(24px); }
.vl-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; min-width: 820px; }
.vl-table th, .vl-table td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(255, 255, 255, 0.07); }
.vl-table thead th { font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--vl-ink-3); font-weight: 600; }
.vl-table tbody tr:last-child th, .vl-table tbody tr:last-child td { border-bottom: 0; }
.vl-table tbody th strong { display: block; color: var(--vl-ink); }
.vl-table tbody th span { display: block; font-weight: 400; color: var(--vl-ink-3); font-size: 0.85rem; margin-top: 4px; max-width: 34ch; }
.vl-table td { color: var(--vl-ink-2); }

/* Privacy */
.vl-privacy-card { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; padding: 48px; align-items: center;
    background: linear-gradient(135deg, rgba(139, 109, 255, 0.16), rgba(80, 160, 255, 0.08)), var(--vl-glass); }
.vl-privacy-card p:not(.vl-eyebrow) { color: var(--vl-ink-2); margin-top: 14px; font-size: 1.05rem; }
.vl-checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.vl-checks li { padding: 14px 16px 14px 48px; position: relative; border-radius: 14px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.08); }
.vl-checks li::before { content: ""; position: absolute; left: 16px; top: 50%; width: 18px; height: 18px; margin-top: -9px; border-radius: 50%;
    background: var(--vl-accent-strong) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }

/* Pricing */
.vl-plans { display: grid; grid-template-columns: 1fr 1.25fr; gap: 20px; max-width: 980px; margin: 0 auto; }
.vl-plan { padding: 32px; display: grid; gap: 14px; align-content: start; }
.vl-plan-pro { background: linear-gradient(160deg, rgba(139, 109, 255, 0.24), rgba(60, 120, 255, 0.08)), var(--vl-glass); border-color: rgba(185, 166, 255, 0.35); }
.vl-price { font-size: 2.6rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1; }
.vl-price small { font-size: 1rem; font-weight: 500; color: var(--vl-ink-3); letter-spacing: 0; }
.vl-price-alt { color: var(--vl-ink-2); font-size: 0.95rem; }
.vl-fine { font-size: 0.8rem; color: var(--vl-ink-3); line-height: 1.5; }

/* Requirements */
.vl-req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0; }
.vl-req-grid div { padding: 22px; }
.vl-req-grid dt { font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--vl-ink-3); font-weight: 600; }
.vl-req-grid dd { margin: 8px 0 0; font-size: 1.02rem; color: var(--vl-ink); }

/* FAQ */
.vl-faq { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.vl-faq details { padding: 0; border-radius: 18px; }
.vl-faq summary { cursor: pointer; list-style: none; padding: 20px 56px 20px 24px; font-weight: 600; font-size: 1.05rem; position: relative; letter-spacing: -0.01em; }
.vl-faq summary::-webkit-details-marker { display: none; }
.vl-faq summary::after { content: ""; position: absolute; right: 24px; top: 50%; width: 10px; height: 10px; margin-top: -7px; border-right: 2px solid var(--vl-ink-3); border-bottom: 2px solid var(--vl-ink-3); transform: rotate(45deg); transition: transform 220ms var(--vl-ease); }
.vl-faq details[open] summary::after { transform: rotate(225deg); margin-top: -2px; }
.vl-faq details p { padding: 0 24px 22px; color: var(--vl-ink-2); }

/* CTA */
.vl-cta { max-width: var(--vl-max); margin: 0 auto; padding: 112px 24px 96px; }
.vl-cta-card { padding: 56px 32px; text-align: center; display: grid; justify-items: center; gap: 16px;
    background: radial-gradient(80% 120% at 50% 0%, rgba(139, 109, 255, 0.3), transparent 70%), var(--vl-glass); }
.vl-cta-card img { border-radius: 20px; filter: drop-shadow(0 14px 30px rgba(110, 80, 255, 0.45)); }
.vl-cta-card h2 { max-width: 20ch; }
.vl-cta-card p { color: var(--vl-ink-2); }

/* Documents: support and privacy */
.vl-doc { position: relative; max-width: var(--vl-max); margin: 0 auto; padding: 64px 24px 96px; }
.vl-doc-head { max-width: 760px; display: grid; gap: 14px; margin-bottom: 40px; }
.vl-updated { color: var(--vl-ink-3); font-size: 0.95rem; }
.vl-doc-grid { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: start; }
.vl-toc { position: sticky; top: 88px; padding: 20px; display: grid; gap: 4px; }
.vl-toc strong { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--vl-ink-3); margin-bottom: 6px; }
.vl-toc a { color: var(--vl-ink-2); text-decoration: none; padding: 6px 10px; border-radius: 10px; font-size: 0.92rem; }
.vl-toc a:hover { background: rgba(255, 255, 255, 0.07); color: var(--vl-ink); }
.vl-doc-body { display: grid; gap: 16px; }
.vl-doc-body section { padding: 28px 30px; }
.vl-doc-body h2 { font-size: 1.4rem; letter-spacing: -0.016em; margin-bottom: 12px; }
.vl-doc-body p, .vl-doc-body li { color: var(--vl-ink-2); }
.vl-doc-body p + p, .vl-doc-body ul + p, .vl-doc-body ol + p { margin-top: 12px; }
.vl-doc-body ul, .vl-doc-body ol { margin: 12px 0 0; padding-left: 22px; display: grid; gap: 8px; }
.vl-doc-body strong { color: var(--vl-ink); }
.vl-policy { max-width: 860px; }
.vl-summary { max-width: 860px; padding: 28px 30px; margin-bottom: 16px; background: linear-gradient(135deg, rgba(139, 109, 255, 0.2), rgba(80, 160, 255, 0.08)), var(--vl-glass); }
.vl-summary h2 { font-size: 1.15rem; margin-bottom: 8px; }
.vl-summary p { color: var(--vl-ink); }

/* Footer */
.vl-footer { border-top: 1px solid rgba(255, 255, 255, 0.07); background: rgba(10, 8, 22, 0.6); }
.vl-footer-inner { max-width: var(--vl-max); margin: 0 auto; padding: 40px 24px 48px; display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: center; }
.vl-footer-brand { display: flex; align-items: center; gap: 14px; }
.vl-footer-brand img { border-radius: 10px; }
.vl-footer-brand p { color: var(--vl-ink-3); font-size: 0.9rem; }
.vl-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: flex-end; }
.vl-footer nav a { color: var(--vl-ink-2); text-decoration: none; font-size: 0.9rem; }
.vl-footer nav a:hover { color: var(--vl-ink); }
.vl-footer small { grid-column: 1 / -1; color: var(--vl-ink-3); font-size: 0.8rem; }
.vl-footer small a { color: var(--vl-ink-2); }

/* Layout breakpoints */
@media (max-width: 960px) {
    .vl-feature, .vl-privacy-card { grid-template-columns: 1fr; gap: 28px; }
    .vl-feature-reverse .vl-feature-copy { order: 0; }
    .vl-facts, .vl-req-grid { grid-template-columns: repeat(2, 1fr); }
    .vl-plans { grid-template-columns: 1fr; }
    .vl-doc-grid { grid-template-columns: 1fr; }
    .vl-toc { position: static; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
    .vl-toc strong { grid-column: 1 / -1; }
    .vl-privacy-card, .vl-duo { padding: 32px 24px; }
    .vl-duo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .vl-nav nav { display: none; }
    .vl-nav-badge { margin-left: auto; }
    .vl-hero { padding-top: 48px; }
    .vl-section { padding-top: 80px; }
    .vl-footer-inner { grid-template-columns: 1fr; }
    .vl-footer nav { justify-content: flex-start; }
    .vl-doc-body section { padding: 22px 20px; }
}
@media (max-width: 480px) {
    .vl-facts, .vl-req-grid { grid-template-columns: 1fr; }
}

/* Accessibility preferences */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .vl-aurora { animation: none; }
    .vocalune-mac * { transition-duration: 1ms !important; }
}
@media (prefers-reduced-transparency: reduce) {
    .vl-glass, .vl-nav, .vl-store-badge, .vl-table-wrap, .vl-fact { -webkit-backdrop-filter: none; backdrop-filter: none; background: #1b1638; }
    .vl-nav { background: #0f0c22; }
}
@media (prefers-contrast: more) {
    :root { --vl-ink-2: #ffffff; --vl-ink-3: #e4e0ff; --vl-stroke: rgba(255, 255, 255, 0.5); --vl-stroke-top: rgba(255, 255, 255, 0.6); }
}