/* ============================================================
   Swiss / International style — shared across landing, privacy, terms.
   Grid-based, systematic, ink-on-warm-white, single blue accent
   (Clockify-adjacent), green reserved for "paid/success" cues.
   ============================================================ */
:root{
  --paper:#fbfbf9;
  --paper-2:#f3f3ef;
  --ink:#121417;
  --ink-2:#3a3f47;
  --muted:#6c727b;
  --hair:#e2e2dc;
  --hair-strong:#cdcdc5;
  --accent:#0f5fd6;        /* Clockify-adjacent blue */
  --accent-ink:#0a47a3;
  --green:#1f9d63;         /* FreshBooks-adjacent, success/paid */
  --maxw:1180px;
  --gutter:32px;
  --fs-base:17px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Inter","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:var(--fs-base);
  line-height:1.55;
  letter-spacing:-0.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace}

/* ---- type scale ---- */
.eyebrow{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:500;
}
h1,h2,h3{font-weight:600;letter-spacing:-0.02em;line-height:1.02;margin:0}
h1{font-size:clamp(2.6rem,6.6vw,5rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem);line-height:1.05}
h3{font-size:1.15rem;letter-spacing:-0.01em;line-height:1.25}
.lead{font-size:clamp(1.05rem,1.7vw,1.32rem);color:var(--ink-2);line-height:1.5;font-weight:400}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(251,251,249,.86);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--hair)}
.topbar .row{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:600;letter-spacing:-0.01em}
.brand .glyph{width:26px;height:26px;flex:0 0 auto}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;color:var(--ink-2);font-size:.92rem;transition:color .2s}
.nav a:hover{color:var(--ink)}
.nav .btn{color:#fff}
@media(max-width:720px){.nav a:not(.btn){display:none}}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;
  font-size:.92rem;font-weight:500;line-height:1;padding:13px 20px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;border-radius:2px;transition:background .2s,border-color .2s,transform .2s,color .2s}
.btn:hover{background:var(--accent-ink);border-color:var(--accent-ink)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--hair-strong)}
.btn.ghost:hover{border-color:var(--ink);background:transparent;color:var(--ink)}
.btn .arrow{transition:transform .2s}
.btn:hover .arrow{transform:translateX(3px)}

/* ---- rules / grid lines ---- */
.hr{height:1px;background:var(--hair);border:0;margin:0}
.section{padding:clamp(64px,9vw,116px) 0;border-top:1px solid var(--hair)}
.section-no{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.18em;color:var(--muted)}

/* ============ HERO ============ */
.hero{padding:clamp(70px,12vw,140px) 0 clamp(54px,8vw,96px);position:relative;overflow:hidden}
/* faint systematic grid backdrop */
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--hair) 1px,transparent 1px),linear-gradient(90deg,var(--hair) 1px,transparent 1px);
  background-size:48px 48px;-webkit-mask:linear-gradient(180deg,#000,transparent 72%);mask:linear-gradient(180deg,#000,transparent 72%)}
.hero .inner{position:relative}
.hero h1{max-width:16ch;margin-top:22px}
.hero h1 .accent{color:var(--accent)}
.hero .lead{max-width:52ch;margin-top:24px}
.hero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero .meta{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:64px;border:1px solid var(--hair)}
.hero .meta div{padding:22px 24px;border-right:1px solid var(--hair)}
.hero .meta div:last-child{border-right:0}
.hero .meta dt{font-family:"IBM Plex Mono",monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0}
.hero .meta dd{margin:8px 0 0;font-size:1.18rem;font-weight:600;letter-spacing:-0.01em}
@media(max-width:720px){.hero .meta{grid-template-columns:1fr}.hero .meta div{border-right:0;border-bottom:1px solid var(--hair)}.hero .meta div:last-child{border-bottom:0}}

/* ============ STEPS ============ */
.grid-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;align-items:end;margin-bottom:54px}
@media(max-width:820px){.grid-head{grid-template-columns:1fr;gap:14px}}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-left:1px solid var(--hair)}
.step{padding:28px 24px 34px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair);position:relative;min-height:230px;display:flex;flex-direction:column}
.step .n{font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--accent);letter-spacing:.12em}
.step h3{margin-top:auto;padding-top:48px}
.step p{margin:12px 0 0;color:var(--ink-2);font-size:.95rem}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ============ FEATURES ============ */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--hair)}
.feature{padding:30px 26px 34px;border-right:1px solid var(--hair);border-bottom:1px solid var(--hair)}
.features .feature:nth-child(3n){border-right:0}
.features .feature:nth-last-child(-n+3){border-bottom:0}
.feature .ic{width:30px;height:30px;color:var(--accent);margin-bottom:18px}
.feature h3{font-size:1.05rem}
.feature p{margin:10px 0 0;color:var(--ink-2);font-size:.94rem}
@media(max-width:860px){.features{grid-template-columns:1fr}.features .feature{border-right:0!important;border-bottom:1px solid var(--hair)!important}.features .feature:last-child{border-bottom:0!important}}

/* ============ SPEC TABLE (ledger) ============ */
.spec{border:1px solid var(--hair);border-top:2px solid var(--ink)}
.spec .line{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:24px;padding:18px 24px;border-bottom:1px solid var(--hair);align-items:baseline}
.spec .line:last-child{border-bottom:0}
.spec .k{font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.spec .v{color:var(--ink);font-size:1.02rem}
.spec .v .tick{color:var(--green);font-weight:600}
@media(max-width:620px){.spec .line{grid-template-columns:1fr;gap:6px}}

/* ============ CTA BAND ============ */
.band{background:var(--ink);color:#fff;border-top:1px solid var(--ink)}
.band .inner{padding:clamp(56px,8vw,104px) 0;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center}
.band h2{color:#fff;max-width:18ch}
.band p{color:#b9bdc4;margin:16px 0 0;max-width:46ch}
.band .act{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-start}
.band .btn.ghost{color:#fff;border-color:rgba(255,255,255,.4)}
.band .btn.ghost:hover{border-color:#fff;color:#fff}
@media(max-width:820px){.band .inner{grid-template-columns:1fr;gap:26px}}

/* ============ FOOTER ============ */
.footer{padding:50px 0 64px;border-top:1px solid var(--hair)}
.footer .row{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.footer .col h4{font-family:"IBM Plex Mono",monospace;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:0 0 14px;font-weight:500}
.footer .col a{display:block;text-decoration:none;color:var(--ink-2);font-size:.92rem;margin-bottom:9px;transition:color .2s}
.footer .col a:hover{color:var(--accent)}
.footer .legal{margin-top:38px;padding-top:22px;border-top:1px solid var(--hair);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:.82rem}

/* ============ ARTICLE (privacy / terms) ============ */
.doc{padding:clamp(48px,7vw,88px) 0 clamp(56px,8vw,96px)}
.doc .head{max-width:760px;margin-bottom:44px}
.doc .head h1{font-size:clamp(2.1rem,5vw,3.4rem)}
.doc .head .updated{margin-top:16px;color:var(--muted);font-family:"IBM Plex Mono",monospace;font-size:.82rem;letter-spacing:.04em}
.doc .body{max-width:760px}
.doc .body h2{font-size:1.35rem;margin:42px 0 0;padding-top:24px;border-top:1px solid var(--hair);letter-spacing:-0.01em}
.doc .body h2:first-child{border-top:0;padding-top:0;margin-top:0}
.doc .body h3{font-size:1.05rem;margin:26px 0 0}
.doc .body p{color:var(--ink-2);margin:14px 0 0}
.doc .body ul{margin:14px 0 0;padding-left:0;list-style:none}
.doc .body li{position:relative;padding-left:26px;margin:10px 0;color:var(--ink-2)}
.doc .body li::before{content:"";position:absolute;left:6px;top:.62em;width:7px;height:1px;background:var(--accent)}
.doc .body strong{color:var(--ink);font-weight:600}
.doc .body a{color:var(--accent);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}
.doc .body a:hover{border-color:var(--accent)}
.backlink{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--muted);font-size:.88rem;margin-bottom:26px}
.backlink:hover{color:var(--accent)}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s cubic-bezier(.2,.6,.2,1),transform .8s cubic-bezier(.2,.6,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}