/* base.css — reset, typographic roles, layout helpers, reusable components
   (buttons, tags, eyebrow, cards, product frame), reveal animation,
   back-to-top, focus, and base responsive rules. */

*{box-sizing:border-box;}
html,body{margin:0;padding:0;background:var(--canvas);color:var(--ink-2);
  font-family:var(--font-body);scroll-behavior:smooth;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
img{max-width:100%;}

/* ── Type roles ── */
.display{font-family:var(--font-display);font-weight:800;letter-spacing:-0.025em;line-height:1.02;color:var(--ink);}
.h-lg{font-family:var(--font-display);font-weight:800;letter-spacing:-0.02em;line-height:1.06;color:var(--ink);}
.h{font-family:var(--font-display);font-weight:700;letter-spacing:-0.015em;line-height:1.12;color:var(--ink);}
.h-sm{font-family:var(--font-display);font-weight:700;letter-spacing:-0.01em;line-height:1.2;color:var(--ink);}
.subhead{font-family:var(--font-body);font-weight:400;font-size:19px;line-height:1.5;color:var(--ink-mute);letter-spacing:0.01em;}
.body{font-family:var(--font-body);font-weight:400;font-size:16.5px;line-height:1.6;color:var(--ink-2);}
.body-sm{font-family:var(--font-body);font-weight:400;font-size:14.5px;line-height:1.55;color:var(--ink-mute);}
.caption{font-family:var(--font-body);font-weight:500;font-size:12px;line-height:1.4;letter-spacing:.14em;text-transform:uppercase;}
.mono{font-family:var(--font-mono);}
.accent{color:var(--navy);}

h1,h2,h3,p,blockquote,ul,figure{margin:0;}

/* ── Layout helpers ── */
.wrap{max-width:var(--max);margin:0 auto;padding-left:32px;padding-right:32px;}
section{position:relative;}
.section{background:var(--canvas);}
.section-dark{color:#fff;}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--font-body);font-weight:600;font-size:15.5px;letter-spacing:0.005em;
  padding:14px 24px;border-radius:var(--r-btn);border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;transition:transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--sh-cta);}
.btn-primary:hover{transform:translateY(-1px);}
.btn-ghost{background:var(--paper);color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-on-primary{background:#fff;color:var(--ink);}
.btn-on-primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px rgba(0,0,0,.5);}
.btn-on-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-on-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-sm{padding:10px 16px;font-size:14px;}

/* ── Tags / chips ── */
.tag{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-tag);
  font-family:var(--font-body);font-weight:600;font-size:12.5px;letter-spacing:.04em;
  padding:7px 15px;background:var(--paper);border:1px solid var(--border);color:var(--ink-2);}
.tag-dot{width:6px;height:6px;border-radius:999px;background:var(--blue-mid);}
.tag-sep{width:1px;height:13px;background:var(--border);margin:0 2px;}
.tag-mute{color:var(--ink-mute);}

/* section eyebrow label */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-family:var(--font-body);
  font-weight:600;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-mid);}
.eyebrow .num{font-family:var(--font-mono);font-weight:500;color:var(--steel);}
.eyebrow .dot{width:6px;height:6px;border-radius:999px;background:var(--blue-mid);}

/* ── Cards ── */
.card{background:var(--paper);border:1px solid var(--border);border-radius:var(--r-card);padding:24px;}

/* product screenshot frame (onyx) */
.frame{background:var(--ink);border-radius:var(--r-card);padding:10px;box-shadow:var(--sh-lg);}
.frame-bar{display:flex;align-items:center;gap:7px;padding:8px 10px 12px;}
.frame-dots{display:flex;gap:7px;}
.frame-dot{width:10px;height:10px;border-radius:999px;background:rgba(255,255,255,.18);}
.frame-url{flex:1;text-align:center;font-family:var(--font-mono);font-size:11.5px;color:rgba(255,255,255,.5);letter-spacing:.02em;}
.frame-shot{border-radius:9px;overflow:hidden;background:#fff;border:1px solid rgba(255,255,255,.08);display:block;width:100%;}
.frame-shot img{display:block;width:100%;height:auto;}
.frame-shot.aspect{aspect-ratio:16/10;}
.frame-shot.aspect img{height:100%;object-fit:cover;object-position:top center;}

/* placeholder for screenshots the user will provide */
.shot-ph{position:relative;width:100%;aspect-ratio:16/10;border-radius:9px;overflow:hidden;
  background:repeating-linear-gradient(135deg,#1d2436,#1d2436 14px,#222a3e 14px,#222a3e 28px);
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:8px;color:rgba(255,255,255,.55);
  font-family:var(--font-body);text-align:center;padding:24px;}
.shot-ph .ph-label{font-size:13px;font-weight:600;letter-spacing:.02em;color:rgba(255,255,255,.75);}
.shot-ph .ph-sub{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.4);}

a:focus-visible, button:focus-visible, summary:focus-visible{outline:2px solid var(--blue-mid);outline-offset:3px;border-radius:6px;}
[id]{scroll-margin-top:90px;}

/* back-to-top */
.to-top{position:fixed;right:28px;bottom:28px;z-index:60;width:48px;height:48px;border-radius:999px;
  background:var(--ink);color:#fff;border:0;display:inline-flex;align-items:center;justify-content:center;
  font-size:20px;cursor:pointer;opacity:0;pointer-events:none;transform:translateY(14px);
  transition:opacity .25s ease, transform .25s ease;box-shadow:0 16px 36px -12px rgba(20,26,43,.5);}
.to-top.shown{opacity:1;pointer-events:auto;transform:none;}

/* ── Scroll reveal — content is ALWAYS visible; the .in class only adds a
   gentle one-time fade for elements observed on scroll. Never hide. ── */
.reveal{opacity:1;}
@media (prefers-reduced-motion: no-preference){
  .reveal.in{animation:revealIn .6s cubic-bezier(.2,.7,.2,1) both;}
  @keyframes revealIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
}

/* ── Base responsive ──
   Tablet (≤1024) keeps the desktop multi-column grids — only the wrap padding
   eases in. Multi-column layouts collapse to one column only at the phone
   tier (≤720), so iPads get a PC-like layout rather than the mobile one. */
@media (max-width:1024px){
  .wrap{padding-left:24px;padding-right:24px;}
}
@media (max-width:720px){
  .grid-2,.grid-3,.grid-5,.split{grid-template-columns:1fr !important;}
}