/* Neatune marketing — shared design system.
   Sourced from design_handoff_neatune_marketing/DESIGN_SYSTEM.md.
   One cached stylesheet across every page (home, /transfer/*, /sync/*, /sign-in).
   Theme is OS-driven (prefers-color-scheme); there is no on-page toggle. */

/* Self-hosted Inter Tight (SIL OFL 1.1) — no third-party font request, matching
   the product's "private by design" stance. Latin subset, weights 400–800. */
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/inter-tight-400.woff2') format('woff2'); }
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/inter-tight-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 600; font-display: swap; src: url('/assets/fonts/inter-tight-600.woff2') format('woff2'); }
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 700; font-display: swap; src: url('/assets/fonts/inter-tight-700.woff2') format('woff2'); }
@font-face { font-family: 'Inter Tight'; font-style: normal; font-weight: 800; font-display: swap; src: url('/assets/fonts/inter-tight-800.woff2') format('woff2'); }

:root {
  --bg: #08080a; --bg-2: #0e0e12; --card: #141419; --card-2: #1a1a20;
  --line: rgba(255, 255, 255, .08); --line-2: rgba(255, 255, 255, .05);
  --fg: #f6f6f7; --fg-2: rgba(246, 246, 247, .62); --fg-3: rgba(246, 246, 247, .4);
  --accent: #f6f6f7; --accent-2: #d4d4d8; --accent-soft: rgba(246, 246, 247, .12); --accent-fg: #0e0e10;
  --spotify: #1DB954; --apple: #FA243C; --tidal: #8a8a8a;
  --ok: #34d399;
  --font: 'Inter Tight', -apple-system, system-ui, sans-serif;
  --max: 1160px;
  --topnav-bg: rgba(8, 8, 10, .7);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9fc; --bg-2: #f2f0f7; --card: #ffffff; --card-2: #f6f4fb;
    --line: rgba(15, 15, 15, .09); --line-2: rgba(15, 15, 15, .05);
    --fg: #16151c; --fg-2: rgba(22, 21, 28, .64); --fg-3: rgba(22, 21, 28, .44);
    --accent: #18181b; --accent-2: #3f3f46; --accent-soft: rgba(24, 24, 27, .08); --accent-fg: #ffffff;
    --ok: #16a34a;
    --topnav-bg: rgba(250, 249, 252, .8);
  }
}

* { box-sizing: border-box; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--font); -webkit-font-smoothing: antialiased; line-height: 1.5; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: 0; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 28px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; padding: 0 24px; border-radius: 12px; font-size: 15px; font-weight: 600; transition: transform .06s, background .15s, box-shadow .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-fg); box-shadow: 0 8px 30px rgba(0, 0, 0, .3); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, var(--fg)); box-shadow: 0 10px 38px rgba(0, 0, 0, .4); }
.btn-ghost { background: rgba(127, 127, 127, .09); color: var(--fg); border: 1px solid var(--line); }
.btn-ghost:hover { background: rgba(127, 127, 127, .16); }
.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 10px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .02em; color: var(--accent-2); background: var(--accent-soft); border: 1px solid var(--line); padding: 7px 14px; border-radius: 999px; }
h1, h2, h3 { letter-spacing: -.03em; margin: 0; }
.muted { color: var(--fg-2); }

/* nav */
.topnav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(20px); background: var(--topnav-bg); border-bottom: 1px solid var(--line-2); }
.topnav .wrap { display: flex; align-items: center; height: 70px; gap: 32px; }
.logo { display: flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 700; color: var(--fg); }
.logo svg { width: 28px; height: 28px; color: var(--fg); }
.topnav nav { display: flex; gap: 28px; margin-left: 12px; }
.topnav nav a { font-size: 14.5px; color: var(--fg-2); font-weight: 500; transition: color .12s; }
.topnav nav a:hover { color: var(--fg); }
.topnav .right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.topnav .signin { font-size: 14.5px; font-weight: 600; color: var(--fg-2); }
.topnav .signin:hover { color: var(--fg); }
.burger { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 10px; background: rgba(127, 127, 127, .09); color: var(--fg); align-items: center; justify-content: center; }

/* mobile menu (toggled by the burger; checkbox-hack, no framework) */
.nav-toggle { display: none; }
.mobile-menu { display: none; }

/* hero */
.hero { position: relative; padding: 96px 0 72px; text-align: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -160px; left: 50%; transform: translateX(-50%); width: 900px; height: 600px; background: radial-gradient(ellipse, rgba(127, 127, 127, .12), transparent 65%); pointer-events: none; }
.hero h1 { font-size: 66px; font-weight: 800; line-height: 1.03; max-width: 900px; margin: 24px auto 0; }
.hero h1 .grad { background: linear-gradient(120deg, var(--fg), var(--fg-3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { font-size: 19px; color: var(--fg-2); max-width: 620px; margin: 22px auto 0; }
.hero .cta { display: flex; gap: 14px; justify-content: center; margin-top: 34px; flex-wrap: wrap; }
.hero .note { font-size: 13px; color: var(--fg-3); margin-top: 16px; }

/* service pills */
.services { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 52px; position: relative; }
.svc-pill { display: inline-flex; align-items: center; gap: 9px; padding: 10px 16px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); font-size: 14px; font-weight: 600; color: var(--fg-2); }
.svc-dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; }

/* app screenshot frame */
.showcase { margin-top: 64px; position: relative; }
.browser { max-width: 1000px; margin: 0 auto; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 120px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .05); background: var(--bg-2); }
.browser-bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; background: var(--card); border-bottom: 1px solid var(--line-2); }
.browser-bar i { width: 12px; height: 12px; border-radius: 50%; background: var(--fg-3); opacity: .5; }
.browser-bar .url { margin-left: 14px; font-size: 12.5px; color: var(--fg-3); background: var(--bg); padding: 6px 14px; border-radius: 8px; flex: 1; max-width: 320px; }
.shot { display: grid; grid-template-columns: 220px 1fr; min-height: 440px; }
.shot .s-side { background: var(--bg-2); border-right: 1px solid var(--line-2); padding: 18px 14px; display: flex; flex-direction: column; gap: 5px; }
.shot .s-brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 15px; margin-bottom: 14px; }
.shot .s-brand svg { width: 22px; height: 22px; color: var(--fg); }
.shot .s-nav { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; font-size: 13.5px; color: var(--fg-2); font-weight: 500; }
.shot .s-nav.on { background: var(--accent-soft); color: var(--fg); }
.shot .s-lbl { font-size: 10px; font-weight: 700; letter-spacing: .08em; color: var(--fg-3); padding: 14px 12px 6px; }
.shot .s-pl { display: flex; align-items: center; gap: 9px; padding: 6px 12px; }
.shot .s-cover { width: 30px; height: 30px; border-radius: 6px; }
.shot .s-pn { font-size: 12.5px; font-weight: 500; }
.shot .s-main { padding: 26px; background: var(--bg); }

.demo { padding: 30px 26px; min-height: 388px; display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.demo-search { display: flex; align-items: center; gap: 11px; background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-size: 15px; color: var(--fg); }
.demo-cap { font-size: 12.5px; color: var(--fg-3); text-align: center; margin-top: 10px; }
.demo-track { display: flex; align-items: center; gap: 13px; background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.demo-art { width: 44px; height: 44px; border-radius: 8px; background: linear-gradient(135deg, #3a3550, #1e1c2b); flex-shrink: 0; }
.demo-meta { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.demo-meta b { font-size: 15px; }
.demo-meta i { font-size: 12.5px; color: var(--fg-3); font-style: normal; }
.demo-cov { display: flex; gap: 6px; align-items: center; }
.dchip { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 700; padding: 4px 9px; border-radius: 999px; color: #fff; transition: all .4s; }
.dchip.off { color: var(--fg-3); background: transparent !important; box-shadow: inset 0 0 0 1px var(--line); }
.dsync { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 700; color: var(--accent-2); background: var(--accent-soft); padding: 5px 11px; border-radius: 999px; }
.demo-bar { height: 8px; border-radius: 5px; background: var(--card-2); border: 1px solid var(--line); overflow: hidden; opacity: 0; transition: opacity .3s; }
.demo-bar.show { opacity: 1; }
.demo-bar span { display: block; height: 100%; width: 0; background: var(--accent); border-radius: 5px; transition: width 1.1s ease; }
.demo-cap2 { font-size: 13px; color: var(--fg-2); text-align: center; font-weight: 600; min-height: 18px; }

/* generic section */
section.blk { padding: 88px 0; }
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.sec-head h2 { font-size: 42px; font-weight: 800; margin-top: 16px; }
.sec-head p { font-size: 17px; color: var(--fg-2); margin-top: 14px; }

/* feature grid */
.feats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 28px; transition: transform .15s, border-color .15s, background .15s; }
.feat:hover { transform: translateY(-4px); border-color: var(--fg-3); background: var(--card-2); }
.feat .ic { width: 46px; height: 46px; border-radius: 12px; background: var(--accent-soft); display: grid; place-items: center; color: var(--accent-2); margin-bottom: 18px; }
.feat h3 { font-size: 19px; font-weight: 700; }
.feat p { font-size: 14.5px; color: var(--fg-2); margin-top: 9px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: s; }
.step { position: relative; padding-top: 20px; }
.step::before { counter-increment: s; content: "0" counter(s); font-size: 52px; font-weight: 800; color: var(--accent); opacity: .28; letter-spacing: -.04em; line-height: 1; }
.step h3 { font-size: 20px; font-weight: 700; margin-top: 14px; }
.step p { font-size: 14.5px; color: var(--fg-2); margin-top: 9px; }

/* stats band */
.band { background: linear-gradient(135deg, var(--accent-soft), transparent); border: 1px solid var(--line); border-radius: 22px; padding: 44px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.band .n { font-size: 40px; font-weight: 800; letter-spacing: -.03em; }
.band .l { font-size: 13.5px; color: var(--fg-2); margin-top: 6px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 30px; display: flex; flex-direction: column; gap: 18px; height: 100%; }
.plan.pop { border-color: var(--accent); box-shadow: 0 20px 60px rgba(0, 0, 0, .22); position: relative; }
.plan.pop::after { content: "Most popular"; position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--accent-fg); font-size: 11.5px; font-weight: 700; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
.plan .pn { font-size: 15px; font-weight: 700; color: var(--fg-2); }
.plan .pr { font-size: 42px; font-weight: 800; letter-spacing: -.03em; }
.plan .pr span { font-size: 15px; font-weight: 500; color: var(--fg-3); margin-left: 5px; letter-spacing: 0; }
.plan ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; flex: 1; }
.plan li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--fg-2); }
.plan li svg { color: var(--ok); flex-shrink: 0; margin-top: 2px; }
.plan li.soon span { color: var(--fg-3); }
.plan li .soon-tag { font-size: 10px; font-weight: 700; letter-spacing: .05em; color: var(--fg-3); text-transform: uppercase; margin-left: 6px; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; }
.faq summary { list-style: none; cursor: pointer; font-size: 16px; font-weight: 600; padding: 16px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; font-weight: 400; color: var(--fg-3); line-height: 1; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { font-size: 14.5px; color: var(--fg-2); margin: 0 0 18px; }

/* final cta */
.final { text-align: center; padding: 96px 28px; position: relative; overflow: hidden; }
.final::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at center, var(--accent-soft), transparent 60%); pointer-events: none; }
.final h2 { font-size: 48px; font-weight: 800; max-width: 680px; margin: 0 auto; }
.final p { font-size: 18px; color: var(--fg-2); margin: 18px auto 0; max-width: 520px; }
.final .cta { margin-top: 32px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* simple centered page (sign-in) */
.simple { min-height: calc(100vh - 70px); display: grid; place-items: center; text-align: center; padding: 64px 28px; }
.simple h1 { font-size: 40px; font-weight: 800; }
.simple p { font-size: 17px; color: var(--fg-2); margin: 16px auto 28px; max-width: 440px; }

/* footer */
footer { border-top: 1px solid var(--line-2); padding: 56px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.foot-grid h5 { font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--fg-3); text-transform: uppercase; margin: 0 0 16px; }
.foot-grid a { display: block; font-size: 14px; color: var(--fg-2); margin-bottom: 11px; }
.foot-grid a:hover { color: var(--fg); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--line-2); font-size: 13px; color: var(--fg-3); flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .feats, .steps, .plans { grid-template-columns: 1fr; }
  .band { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 46px; }
  .sec-head h2 { font-size: 32px; }
  .final h2 { font-size: 34px; }
  .topnav nav, .topnav .right { display: none; }
  .burger { display: inline-flex; }
  .shot { grid-template-columns: 1fr; }
  .shot .s-side { display: none; }
  /* checkbox-hack drawer */
  .nav-toggle:checked ~ .mobile-menu { display: block; }
  .mobile-menu { position: fixed; inset: 70px 0 auto 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 16px 28px 24px; z-index: 49; }
  .mobile-menu a { display: block; padding: 12px 0; font-size: 16px; font-weight: 600; color: var(--fg); border-bottom: 1px solid var(--line-2); }
  .mobile-menu a:last-child { border-bottom: 0; }
  .mobile-menu .btn { margin-top: 14px; width: 100%; }
}
@media (max-width: 560px) {
  .band { grid-template-columns: 1fr 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 36px; }
}