/* Naytra — base: reset, frame, grid, type utilities, controls.
   Depends on tokens.css. */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{display:block;max-width:100%}
h1,h2,h3,h4,p{margin:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

/* ---- Frame & grid (docs/spacing-and-layout.md) ---- */
.frame{
  width:100%;
  max-width:var(--frame-max);
  margin-inline:auto;
  padding-inline:clamp(20px, calc((100vw - var(--content-max)) / 2), 55px);
}
/* 12-column grid (20px gutter). .grid-6 is the coarse half-step; .grid-12 the full grid. */
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--gutter)}
.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gutter)}
.measure{max-width:var(--measure);margin-inline:auto}

@media (max-width:760px){
  .grid-6,.grid-12{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:480px){
  .grid-6,.grid-12{grid-template-columns:1fr}
}

/* ---- Section rhythm ---- */
.section{padding-block:var(--section-rhythm)}
.section--hero{padding-block:var(--section-hero)}

/* ---- Display scale — Libre Caslon (docs/typography.md) ---- */
.h1-xl{font-family:var(--font-serif);font-weight:400;font-size:76px;line-height:1.02;letter-spacing:-0.015em}
.h1{font-family:var(--font-serif);font-weight:400;font-size:60px;line-height:1.05;letter-spacing:-0.012em}
.h2{font-family:var(--font-serif);font-weight:400;font-size:44px;line-height:1.08;letter-spacing:-0.010em}
.h3{font-family:var(--font-serif);font-weight:400;font-size:32px;line-height:1.12;letter-spacing:-0.005em}
.quote{font-family:var(--font-serif);font-weight:400;font-style:italic;font-size:26px;line-height:1.30;letter-spacing:0}

/* ---- Functional scale — IBM Plex Sans ---- */
.eyebrow{font-family:var(--font-sans);font-weight:500;font-size:12px;line-height:1.2;letter-spacing:0.16em;text-transform:uppercase}
.lead{font-family:var(--font-sans);font-weight:300;font-size:20px;line-height:1.5}
.body{font-family:var(--font-sans);font-weight:400;font-size:16px;line-height:1.6}
.data{font-family:var(--font-sans);font-weight:400;font-size:16px;line-height:1.6;font-variant-numeric:tabular-nums}
.small{font-family:var(--font-sans);font-weight:400;font-size:14px;line-height:1.6}
.nav{font-family:var(--font-sans);font-weight:500;font-size:14px;line-height:1.2;letter-spacing:0.02em}
.label{font-family:var(--font-sans);font-weight:600;font-size:11px;line-height:1.2;letter-spacing:0.12em;text-transform:uppercase}
.cta{font-family:var(--font-sans);font-weight:500;font-size:15px;line-height:1.0;letter-spacing:0.01em}
.disclaimer{font-family:var(--font-sans);font-weight:400;font-size:12px;line-height:1.5;letter-spacing:0.01em}

.text-balance{text-wrap:balance}
.tnum{font-variant-numeric:tabular-nums}

/* Responsive display caps (docs/typography.md) */
@media (max-width:760px){
  .h1-xl{font-size:46px}
  .h1{font-size:39px}
  .h2{font-size:31px}
  .h3{font-size:25px}
  .lead{font-size:18px}
}

/* ---- Controls ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-sans);font-weight:500;font-size:15px;letter-spacing:0.01em;
  padding:13px 22px;border-radius:8px;border:1px solid transparent;
  transition:background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease;
}
.btn:active{transform:translateY(1px)}
/* Primary = ink/paper contrast, never amber (docs/color.md rule 3) */
.btn--primary{background:var(--ink);color:var(--paper)}
.btn--primary:hover{background:var(--cta-hover)} /* stays ink — amber is never a CTA (docs/color.md rule 3) */
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn--ghost:hover{border-color:var(--ink)}

/* Small nav CTA */
.btn--sm{padding:9px 15px;font-size:13.5px;border-radius:7px}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.skip-link{position:absolute;left:16px;top:-48px;z-index:100;background:var(--ink);color:var(--paper);padding:10px 14px;border-radius:8px;transition:top .16s ease}
.skip-link:focus{top:16px}

/* ---- Editorial: no rounded corners on any component (sharp everywhere) ---- */
*{border-radius:0 !important}
/* keep genuinely circular marks round (dots, favicons) */
.wire__pip,.hero__proof .pip,.cs__fav{border-radius:50% !important}
/* the How-it-works diagram is the one place we allow rounded corners (per the Figma frame);
   its rects carry explicit rx attributes. */