/* Marketing site — kit-local styles. Inherits tokens from ../../colors_and_type.css */

html, body { background: var(--ink-black); color: var(--fg-on-ink); }

.app { min-height: 100vh; display: flex; flex-direction: column; }

/* ---- Nav ---- */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: 56px;
  background: rgba(10, 10, 11, 0.92);
  border-bottom: 1px solid var(--gray-800);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 32px;
  backdrop-filter: blur(8px);
}
.nav-brand { display: flex; align-items: baseline; gap: 10px; }
.nav-mark { font-family: var(--font-display); font-weight: 600; font-size: 18px; letter-spacing: -0.01em; color: var(--paper-warm); }
.nav-mark .am { color: var(--copper); }
.nav-ver { font-family: var(--font-mono); font-size: 11px; color: var(--gray-400); letter-spacing: 0.05em; }
.nav-items { display: flex; gap: 28px; justify-content: center; }
.nav-items a {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--gray-200); cursor: pointer;
}
.nav-items a.active { color: var(--copper); }
.nav-items a:hover { color: var(--paper-warm); }
.nav-cta { display: flex; justify-content: flex-end; }

/* ---- Section primitives ---- */
.section { padding: 96px 32px; }
.section.tight { padding: 64px 32px; }
.section.paper { background: var(--paper-warm); color: var(--fg-on-paper); position: relative; }
.section.paper::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.07'/></svg>");
  mix-blend-mode: multiply; pointer-events: none;
}
.section > .inner { max-width: 1280px; margin: 0 auto; position: relative; z-index: 1; }
.section.hero > .inner { max-width: 1440px; }

/* ---- Eyebrow ---- */
.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--copper);
  display: inline-flex; gap: 0.5em; align-items: center;
}
.section.paper .eyebrow { color: var(--copper-deep); }

/* ---- Hero ---- */
.hero-wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.hero h1 {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(3.5rem, 7vw, 5.5rem); line-height: 0.96; letter-spacing: -0.025em;
  color: var(--paper-warm); margin: 24px 0 0;
}
.hero h1 em { color: var(--copper); font-weight: 400; }
.hero .lead {
  font-family: var(--font-sans); font-size: 22px; line-height: 1.5;
  color: var(--gray-200); max-width: 56ch; margin: 32px 0 40px;
}
.hero-ctas { display: flex; gap: 16px; align-items: center; }

/* ---- Apparatus placeholder ---- */
.apparatus {
  background: var(--paper-warm); color: var(--fg-on-paper);
  border: 1px solid var(--border-on-paper);
  padding: 28px;
  position: relative;
  box-shadow: 0 24px 48px -16px rgba(0,0,0,0.45);
  aspect-ratio: 1.1;
  display: flex; flex-direction: column; justify-content: space-between;
  background-image: repeating-linear-gradient(45deg, rgba(200,184,154,0.35) 0 1px, transparent 1px 12px);
}
.apparatus .fig-corner { display: flex; justify-content: space-between; align-items: flex-start; }
.apparatus .fig-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--copper-deep);
}
.apparatus .fig-up {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-on-paper-mute);
}
.apparatus .core {
  flex: 1; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-style: italic; font-size: 24px;
  color: var(--fg-on-paper-mute); text-align: center;
}
.apparatus .fig-cap {
  font-family: var(--font-mono); font-size: 11px; color: var(--fg-on-paper-mute);
  letter-spacing: 0.05em;
}
.apparatus svg.diagram { width: 100%; max-width: 360px; }

/* ---- Stats ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat { border-top: 1px solid var(--gray-800); padding-top: 14px; }
.section.paper .stat { border-top-color: var(--border-on-paper); }
.stat .num {
  font-family: var(--font-display); font-size: 56px; line-height: 1;
  letter-spacing: -0.025em; color: var(--paper-warm);
}
.section.paper .stat .num { color: var(--fg-on-paper); }
.stat .lbl {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gray-400); margin-top: 10px;
}
.section.paper .stat .lbl { color: var(--fg-on-paper-mute); }

/* ---- Section header ---- */
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; margin-bottom: 64px; }
.section-head h2 {
  font-family: var(--font-display); font-size: 56px; line-height: 1.05;
  letter-spacing: -0.02em; color: inherit; margin: 16px 0 0;
}
.section-head h2 em { font-style: italic; color: var(--copper); font-weight: 400; }
.section-head .sub {
  font-family: var(--font-sans); font-size: 18px; line-height: 1.55;
  color: var(--gray-400); max-width: 50ch;
}
.section.paper .section-head .sub { color: var(--fg-on-paper-mute); }

/* ---- Machine grid ---- */
.machine-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ---- Article grid ---- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }

/* ---- Quote ---- */
.quote-block { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.quote-block .q { font-family: var(--font-display); font-style: italic; font-size: 36px; line-height: 1.25; color: inherit; }
.quote-block .meta { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray-400); margin-top: 24px; }

/* ---- Trustbar ---- */
.trust { display: grid; grid-template-columns: repeat(7, 1fr); gap: 32px; align-items: center; padding-top: 32px; border-top: 1px solid var(--gray-800); }
.trust .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--copper); }
.trust .lg-serif { font-family: var(--font-display); font-style: italic; font-size: 18px; color: var(--gray-400); text-align: center; }
.trust .lg-mono { font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em; color: var(--gray-400); text-align: center; }

/* ---- Footer ---- */
.footer { background: var(--ink-black); border-top: 1px solid var(--gray-800); padding: 64px 32px 32px; margin-top: auto; }
.footer-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(4, 1fr); gap: 48px; }
.footer-col h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--copper); margin: 0 0 16px; font-weight: 400; }
.footer-col a { display: block; font-family: var(--font-sans); font-size: 14px; color: var(--gray-200); margin-bottom: 8px; cursor: pointer; }
.footer-col a:hover { color: var(--copper); }
.footer-base { max-width: 1280px; margin: 48px auto 0; padding-top: 24px; border-top: 1px solid var(--gray-800); display: flex; justify-content: space-between; align-items: center; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: var(--gray-400); }
.motion-toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.motion-toggle .pip { width: 8px; height: 8px; background: var(--success); border-radius: 50%; }
.motion-toggle.off .pip { background: var(--gray-600); }

/* ---- Page-specific ---- */

/* Methodology long-read */
.longread { background: var(--paper-warm); color: var(--fg-on-paper); padding: 96px 32px; min-height: 100vh; position: relative; }
.longread::after {
  content: ""; position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.06'/></svg>");
  mix-blend-mode: multiply; pointer-events: none;
}
.longread .inner { max-width: 720px; margin: 0 auto; position: relative; z-index: 1; }
.longread h1 { font-family: var(--font-display); font-size: 64px; line-height: 1; letter-spacing: -0.025em; margin: 16px 0 32px; font-weight: 600; }
.longread .meta { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-on-paper-mute); }
.longread .prose { font-family: var(--font-prose); font-size: 18px; line-height: 1.7; }
.longread .prose p { margin: 0 0 1.4em; }
.longread .prose h2 { font-family: var(--font-display); font-size: 36px; line-height: 1.1; letter-spacing: -0.01em; margin: 56px 0 16px; font-weight: 500; }
.longread .pull { font-family: var(--font-display); font-style: italic; font-size: 28px; line-height: 1.3; color: var(--copper-deep); border-left: 2px solid var(--copper); padding-left: 24px; margin: 48px 0; }
.longread .figure { margin: 48px 0; }
.longread .figure .img { aspect-ratio: 1.6; background: var(--ink-black); border: 1px solid var(--ink-deep); position: relative; overflow: hidden; }
.longread .figure .cap { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; color: var(--fg-on-paper-mute); margin-top: 12px; }

/* Library page */
.lib { padding: 96px 32px; }
.lib .inner { max-width: 1280px; margin: 0 auto; }
.lib-filters { display: flex; gap: 8px; margin: 48px 0 48px; flex-wrap: wrap; }
.lib-pill {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  padding: 8px 16px; border: 1px solid var(--gray-800); color: var(--gray-200); cursor: pointer;
  background: transparent; transition: all 220ms;
}
.lib-pill:hover { border-color: var(--copper); color: var(--copper); }
.lib-pill.active { background: var(--copper); color: var(--ink-black); border-color: var(--copper); }
.lib-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 24px; }

/* Brief builder */
.brief { padding: 64px 32px; min-height: 100vh; }
.brief .inner { max-width: 880px; margin: 0 auto; }
.brief-progress { display: flex; gap: 12px; margin-bottom: 48px; }
.brief-progress .step { flex: 1; padding: 12px 0; border-top: 2px solid var(--gray-800); }
.brief-progress .step.active { border-top-color: var(--copper); }
.brief-progress .step .num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--gray-400); }
.brief-progress .step.active .num { color: var(--copper); }
.brief-progress .step .nm { font-family: var(--font-display); font-size: 18px; color: var(--paper-warm); margin-top: 4px; font-style: italic; }
.brief h1 { font-family: var(--font-display); font-size: 56px; line-height: 1; letter-spacing: -0.025em; color: var(--paper-warm); margin: 0 0 16px; font-weight: 600; }
.brief .ask { font-family: var(--font-display); font-style: italic; font-size: 24px; color: var(--copper); margin-bottom: 48px; }
.brief-field { margin-bottom: 32px; }
.brief-field label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--copper); margin-bottom: 12px; }
.brief-field input, .brief-field textarea, .brief-field select {
  width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--gray-800);
  color: var(--paper-warm); font-family: var(--font-sans); font-size: 22px; padding: 12px 0;
  outline: none; transition: border-color 220ms;
}
.brief-field input:focus, .brief-field textarea:focus { border-bottom-color: var(--copper); }
.brief-field .hint { font-family: var(--font-mono); font-size: 11px; color: var(--gray-400); margin-top: 8px; letter-spacing: 0.05em; }
.brief-field .opts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 8px; }
.brief-field .opt {
  border: 1px solid var(--gray-800); padding: 24px; cursor: pointer; transition: border-color 220ms, background 220ms;
}
.brief-field .opt:hover { border-color: var(--copper); }
.brief-field .opt.sel { border-color: var(--copper); background: rgba(217,119,87,0.08); }
.brief-field .opt .nm { font-family: var(--font-display); font-style: italic; font-size: 20px; color: var(--paper-warm); }
.brief-field .opt .meta { font-family: var(--font-mono); font-size: 11px; color: var(--gray-400); margin-top: 8px; letter-spacing: 0.05em; }

.brief-nav { display: flex; justify-content: space-between; margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--gray-800); }

/* Field notes */
.fn { padding: 96px 32px; }
.fn .inner { max-width: 720px; margin: 0 auto; }
.fn h1 { font-family: var(--font-display); font-size: 64px; line-height: 1; letter-spacing: -0.025em; color: var(--paper-warm); margin: 16px 0 16px; font-weight: 600; }
.fn .lead { font-family: var(--font-sans); font-size: 18px; color: var(--gray-200); margin-bottom: 64px; }
.fn-entry { padding: 32px 0; border-top: 1px solid var(--gray-800); display: grid; grid-template-columns: 140px 1fr; gap: 32px; }
.fn-entry .date { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--gray-400); padding-top: 6px; }
.fn-entry h3 { font-family: var(--font-display); font-size: 28px; line-height: 1.15; color: var(--paper-warm); letter-spacing: -0.01em; margin: 0 0 8px; font-weight: 500; font-style: normal; }
.fn-entry .body { font-family: var(--font-sans); font-size: 16px; line-height: 1.6; color: var(--gray-200); }
.fn-entry .body em { color: var(--copper); font-style: italic; }