/* ============================================================
   FOLIO — design system for manifestingonpaper.com
   Quiet editorial. Paper is an idea, never a texture.
   Spec: docs/specs/2026-07-06-folio-design-system.md
   ============================================================ */

/* ---------- 1. Tokens ---------- */
:root {
  --canvas:        #f5f5f5;
  --canvas-soft:   #fafafa;
  --ink:           #0c0a09;
  --primary:       #292524;
  --primary-active:#0c0a09;
  --body:          #4e4e4e;
  --muted:         #777169;
  --muted-soft:    #a8a29e;
  --hairline:      #e7e5e4;
  --hairline-strong:#d6d3d1;
  --surface-card:  #ffffff;
  --surface-strong:#f0efed;
  --surface-dark:  #0c0a09;
  --surface-dark-2:#1c1917;
  --grad-mint:     #a7e5d3;
  --grad-peach:    #f4c5a8;
  --grad-lavender: #c8b8e0;
  --grad-sky:      #a8c8e8;
  --grad-rose:     #e8b8c4;
  --ok:            #16a34a;
  --error:         #dc2626;

  --font-display: "Newsreader", Georgia, serif;
  --font-ui:      "Inter", -apple-system, sans-serif;

  --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.04);
  --r-card: 16px;
  --r-orb-card: 24px;
  --r-input: 8px;
  --section: clamp(72px, 9vw, 96px);
  --container: 1200px;
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--body);
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
::selection { background: var(--grad-lavender); color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; border-radius: 2px; }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4 { margin: 0 0 0.45em; color: var(--ink); }

.display-mega, .display-xl, .display-lg, .display-md, .display-sm {
  font-family: var(--font-display);
  font-weight: 300;
  font-optical-sizing: auto;
  color: var(--ink);
  text-wrap: balance;
}
.display-mega { font-size: clamp(38px, 6.5vw, 64px); line-height: 1.05; letter-spacing: -0.03em; }
.display-xl   { font-size: clamp(32px, 5vw, 48px);   line-height: 1.08; letter-spacing: -0.02em; }
.display-lg   { font-size: clamp(27px, 3.8vw, 36px); line-height: 1.17; letter-spacing: -0.01em; }
.display-md   { font-size: 32px; line-height: 1.13; letter-spacing: -0.01em; }
.display-sm   { font-size: 24px; line-height: 1.2; }
.display-mega em, .display-xl em, .display-lg em { font-style: italic; font-weight: 300; }

/* the manuscript voice — user & generated words ONLY */
.manuscript {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 340;
  font-size: clamp(19px, 2vw, 22px);
  line-height: 1.55;
  letter-spacing: 0;
  color: var(--primary);
}

/* long-form article text (theory/teachers) */
.prose { font-family: var(--font-display); font-size: 18.5px; line-height: 1.7; color: var(--primary); }

.title-md { font-family: var(--font-ui); font-size: 20px; font-weight: 500; line-height: 1.35; letter-spacing: 0; color: var(--ink); }
.title-sm { font-family: var(--font-ui); font-size: 18px; font-weight: 500; line-height: 1.44; letter-spacing: 0.18px; color: var(--ink); }
.body-strong { font-weight: 500; color: var(--primary); }
.body-sm { font-size: 15px; line-height: 1.47; letter-spacing: 0.15px; }
.caption { font-size: 14px; letter-spacing: 0; }
.caption-upper {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.96px;
  text-transform: uppercase;
  color: var(--muted);
}
.muted { color: var(--muted); }

.lede { font-size: clamp(16px, 1.6vw, 18px); line-height: 1.55; color: var(--body); }

/* ---------- 4. Layout ---------- */
.container { width: min(var(--container), 92vw); margin-inline: auto; }
.container--narrow { width: min(760px, 92vw); margin-inline: auto; }
.band { padding-block: var(--section); position: relative; }
.band--soft { background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.band--dark { background: var(--surface-dark); }
.band--dark, .band--dark p { color: var(--muted-soft); }
.band--dark h2, .band--dark h3, .band--dark .display-lg, .band--dark .display-xl, .band--dark .display-mega { color: #fff; }
.band--dark .caption-upper { color: var(--muted-soft); }

/* ---------- 5. Buttons ---------- */
.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0;
  border-radius: 9999px;
  padding: 12px 22px;
  min-height: 40px;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
}
.pill:active { transform: scale(0.985); }
.pill--ink { background: var(--primary); color: #fff; }
.pill--ink:hover { background: var(--primary-active); }
.pill--outline {
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink);
  border: 1px solid var(--hairline-strong);
  padding: 11px 21px;
}
.pill--outline:hover { border-color: var(--ink); }
.pill--text { background: transparent; color: var(--ink); padding: 12px 10px; }
.pill--text:hover { color: var(--body); }
.pill--lg { padding: 15px 28px; font-size: 15.5px; }
.band--dark .pill--ink, .pill--paper { background: #fff; color: var(--ink); }
.band--dark .pill--ink:hover, .pill--paper:hover { background: var(--canvas); }
.band--dark .pill--outline { background: transparent; color: #fff; border-color: #44403c; }
.band--dark .pill--outline:hover { border-color: #fff; }

/* ---------- 6. Cards & surfaces ---------- */
.card {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  padding: 24px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}
.card--pad-lg { padding: 32px; }
.card--hover:hover { box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.card--dark { background: var(--surface-dark-2); border-color: #292524; color: var(--muted-soft); }
.card--dark .title-md, .card--dark h3 { color: #fff; }
.orb-card { background: var(--canvas-soft); border: 1px solid var(--hairline); border-radius: var(--r-orb-card); padding: 32px; position: relative; overflow: hidden; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--surface-strong);
  border: 1px solid var(--hairline);
  color: var(--primary);
  border-radius: 9999px;
  padding: 5px 12px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.96px;
  text-transform: uppercase;
}

.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--hairline-strong);
  border-radius: 9999px;
  padding: 9px 16px;
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s;
}
.chip:hover { border-color: var(--ink); background: #fff; }
.chip.is-active { background: var(--ink); border-color: var(--ink); color: #fff; }

/* day circles */
.day {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  display: inline-grid; place-items: center;
  font: 500 12px/1 var(--font-ui);
  color: var(--muted);
  flex: none;
}
.day.is-done { background: var(--ink); border-color: var(--ink); color: #fff; }
.day.is-today { border: 2px solid var(--ink); color: var(--ink); }
.band--dark .day { border-color: #44403c; color: var(--muted-soft); }
.band--dark .day.is-done { background: #fff; border-color: #fff; color: var(--ink); }
.band--dark .day.is-today { border-color: #fff; color: #fff; }

/* ---------- 7. Forms ---------- */
.field { display: grid; gap: 7px; }
.field label { font: 600 12px/1.4 var(--font-ui); letter-spacing: 0.96px; text-transform: uppercase; color: var(--muted); }
.input, .field input[type="text"], .field input[type="email"], .field select, .field textarea {
  font-family: var(--font-ui);
  font-size: 16px;
  color: var(--ink);
  background: var(--surface-card);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-input);
  padding: 11px 14px;
  min-height: 44px;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--ink);
}
.field input::placeholder { color: var(--muted-soft); }
.field select {
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230c0a09' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

/* ---------- 8. Answer block (SEO) ---------- */
.answer {
  background: var(--canvas-soft);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  padding-block: clamp(28px, 4vw, 44px);
}
.answer p { font-size: clamp(16.5px, 1.7vw, 19px); line-height: 1.6; max-width: 64ch; color: var(--body); }
.answer p strong { font-weight: 500; color: var(--ink); }

/* ---------- 9. Quote ---------- */
.quote { border-left: 1px solid var(--hairline-strong); padding-left: clamp(20px, 3vw, 32px); max-width: 52ch; }
.quote blockquote {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(21px, 2.4vw, 27px);
  line-height: 1.45;
  color: var(--ink);
}
.quote cite { display: block; margin-top: 14px; font-style: normal; }

/* ---------- 10. Orbs (atmosphere only) ---------- */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(56px);
  pointer-events: none;
  z-index: 0;
}
.orb--a { background: radial-gradient(circle at 40% 40%, var(--grad-mint), var(--grad-sky) 65%, transparent 74%); }
.orb--b { background: radial-gradient(circle at 45% 45%, var(--grad-lavender), var(--grad-rose) 70%, transparent 78%); }
.orb--c { background: radial-gradient(circle at 50% 45%, var(--grad-peach), var(--grad-rose) 68%, transparent 76%); }
@media (prefers-reduced-motion: no-preference) {
  .orb { animation: orb-drift 16s ease-in-out infinite alternate; }
  .orb:nth-child(2) { animation-duration: 21s; animation-delay: -7s; }
}
@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(22px, -18px) scale(1.05); }
}
@media (max-width: 640px) { .orb { filter: blur(40px); } }

/* ---------- 11. Nav & footer ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--canvas) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}
.nav__inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.nav__brand { font: 500 16px/1 var(--font-ui); letter-spacing: -0.01em; color: var(--ink); }
.nav__links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__links a { font: 500 15px/1.4 var(--font-ui); color: var(--body); }
.nav__links a:hover, .nav__links a.is-active { color: var(--ink); }
.nav .pill { min-height: 36px; padding: 9px 16px; font-size: 14px; }
@media (max-width: 860px) { .nav__links li.hide-m { display: none; } }

.footer { border-top: 1px solid var(--hairline); padding: 64px 0 40px; background: var(--canvas); }
.footer__cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer h4 { font: 600 12px/1.4 var(--font-ui); letter-spacing: 0.96px; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer a { color: var(--body); font-size: 15px; }
.footer a:hover { color: var(--ink); }
.footer__base { border-top: 1px solid var(--hairline); padding-top: 24px; display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.footer__sign { font-family: var(--font-display); font-style: italic; font-weight: 340; font-size: 19px; color: var(--primary); }
@media (max-width: 760px) { .footer__cols { grid-template-columns: 1fr 1fr; } }

/* ---------- 12. FAQ ---------- */
.faq details { border-bottom: 1px solid var(--hairline); }
.faq summary {
  cursor: pointer; list-style: none;
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 18px 2px;
  font: 500 17px/1.4 var(--font-ui);
  color: var(--ink);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 300 22px/1 var(--font-display); color: var(--muted); transition: transform 0.25s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .faq__a { padding: 0 2px 20px; color: var(--body); font-size: 15.5px; line-height: 1.6; max-width: 64ch; }

/* ---------- 13. Motion (fail-open) ----------
   Content is visible by default. JS adds .pre only to elements
   still below the fold once animation is confirmed possible;
   IntersectionObserver then adds .in. No JS → everything visible. */
.reveal { transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.pre { opacity: 0; transform: translateY(14px); }
.reveal.pre.in { opacity: 1; transform: translateY(0); }

html.motion .hero-anim {
  animation: folio-rise 0.8s cubic-bezier(0.22, 0.61, 0.36, 1) both;
  animation-delay: calc(var(--i, 0) * 90ms);
}
@keyframes folio-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal.pre { opacity: 1 !important; transform: none !important; transition: none; }
  html.motion .hero-anim { animation: none; }
}

/* manuscript typing cursor */
.cursor {
  display: inline-block;
  width: 1px; height: 1.05em;
  background: var(--ink);
  vertical-align: -0.15em;
  margin-left: 2px;
  animation: cursor-blink 1.1s steps(1) infinite;
}
@keyframes cursor-blink { 50% { opacity: 0; } }
.type-word { opacity: 1; transition: opacity 0.18s ease; }
.type-word.pending { opacity: 0; }

/* ---------- 14. Print ---------- */
@media print {
  .nav, .footer, .no-print { display: none !important; }
  body { background: #fff; }
  .card { border-color: #ccc; }
  .orb { display: none; }
}

/* ============================================================
   15. Conversion components (v1.1)
   ============================================================ */

/* ---------- app window (the tool chrome) ---------- */
.window {
  background: var(--surface-card);
  border: 1px solid var(--hairline);
  border-radius: var(--r-card);
  box-shadow: 0 24px 60px -24px rgba(12, 10, 9, 0.18), var(--shadow-soft);
  overflow: hidden;
}
.window__bar {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  background: var(--canvas-soft);
}
.window__dots { display: flex; gap: 6px; }
.window__dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--hairline-strong); }
.window__tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.window__tab {
  font: 500 13px/1 var(--font-ui);
  color: var(--body);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9999px;
  padding: 8px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.window__tab:hover { color: var(--ink); }
.window__tab.is-active { background: var(--ink); color: #fff; }
.window__body { padding: clamp(20px, 3vw, 32px); }
.window__hint { font: 400 12.5px/1.4 var(--font-ui); color: var(--muted); }

/* ---------- mini UI mockups ("screenshots") ---------- */
.mock {
  background: var(--canvas-soft);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 14px;
  pointer-events: none;
  user-select: none;
  overflow: hidden;
  position: relative;
}
.mock__bar { display: flex; gap: 5px; margin-bottom: 10px; }
.mock__bar span { width: 6px; height: 6px; border-radius: 50%; background: var(--hairline-strong); }
.mock__title { font: 600 9.5px/1.3 var(--font-ui); letter-spacing: 0.8px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.mock__row { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--hairline); border-radius: 7px; padding: 8px 10px; margin-bottom: 6px; font: 400 11px/1.4 var(--font-ui); color: var(--body); }
.mock__pill { font: 500 10px/1 var(--font-ui); background: var(--ink); color: #fff; border-radius: 9999px; padding: 6px 10px; display: inline-block; }
.mock__days { display: grid; grid-template-columns: repeat(11, 1fr); gap: 4px; }
.mock__days span { aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--hairline-strong); display: grid; place-items: center; font: 500 8px/1 var(--font-ui); color: var(--muted); }
.mock__days span.d { background: var(--ink); border-color: var(--ink); color: #fff; }
.mock__days span.t { border: 1.5px solid var(--ink); color: var(--ink); }
.mock .manuscript { font-size: 13.5px; line-height: 1.5; }
.mock__bubble { background: #fff; border: 1px solid var(--hairline); border-radius: 10px; padding: 9px 11px; font: 400 11px/1.5 var(--font-ui); color: var(--body); margin-bottom: 6px; max-width: 92%; }
.mock__bubble--coach { background: var(--surface-strong); border-color: var(--hairline); margin-left: 8%; }
.mock__bubble b { font-weight: 600; color: var(--ink); }
.mock__doc { background: #fff; border: 1px solid var(--hairline); border-radius: 6px; aspect-ratio: 3/4; padding: 12px; display: flex; flex-direction: column; box-shadow: 0 8px 20px -10px rgba(12,10,9,0.15); }
.mock__qr { width: 26px; height: 26px; border: 1.5px solid var(--ink); position: relative; margin-top: auto; align-self: flex-end; }
.mock__qr::before { content: ""; position: absolute; inset: 4px; background: conic-gradient(var(--ink) 25%, transparent 0 50%, var(--ink) 0 75%, transparent 0) 0 0 / 9px 9px; }

/* ---------- feature product cards ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { display: flex; flex-direction: column; gap: 0; }
.feature-card .mock { margin-bottom: 18px; min-height: 190px; }
.feature-card h3 { font: 500 18px/1.35 var(--font-ui); margin: 0 0 6px; }
.feature-card p { font-size: 14.5px; line-height: 1.55; margin: 0 0 14px; }
.feature-card .go { font: 500 14px/1 var(--font-ui); color: var(--ink); margin-top: auto; }
.feature-card .go::after { content: " →"; }
.feature-card:hover .go { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 860px) { .feature-grid { grid-template-columns: 1fr; } }

/* ---------- illustrated steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 3vw, 40px); counter-reset: step; }
.step { position: relative; }
.step__art { height: 120px; display: grid; place-items: center; margin-bottom: 18px; position: relative; }
.step__art svg { height: 96px; width: auto; overflow: visible; }
.step__art .halo { position: absolute; width: 110px; height: 110px; border-radius: 50%; filter: blur(30px); opacity: 0.55; z-index: -1; }
.step h3 { font: 500 17px/1.35 var(--font-ui); margin-bottom: 6px; }
.step h3::before { counter-increment: step; content: counter(step, decimal-leading-zero) " · "; color: var(--muted); font-weight: 400; }
.step p { font-size: 14.5px; line-height: 1.55; margin: 0; }
@media (max-width: 780px) { .steps { grid-template-columns: 1fr; } }
.stroke { fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.stroke--muted { stroke: var(--muted-soft); }

/* ---------- testimonial cards ---------- */
.t-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.t-card { background: var(--surface-card); border: 1px solid var(--hairline); border-radius: var(--r-card); padding: 26px; }
.t-card .q { font-family: var(--font-display); font-style: italic; font-weight: 340; font-size: 18px; line-height: 1.5; color: var(--primary); margin: 0 0 18px; }
.t-card .who { display: flex; align-items: center; gap: 10px; }
.t-card .ava { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 600 12px/1 var(--font-ui); color: var(--ink); }
.t-card .who div span { display: block; }
.t-card .who .n { font: 500 14px/1.3 var(--font-ui); color: var(--ink); }
.t-card .who .d { font: 400 12px/1.3 var(--font-ui); color: var(--muted); }
@media (max-width: 860px) { .t-grid { grid-template-columns: 1fr; } }

/* ---------- proof strip ---------- */
.proof-strip { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.proof-strip .names { display: flex; gap: clamp(18px, 3vw, 36px); flex-wrap: wrap; align-items: baseline; }
.proof-strip .names span { font-family: var(--font-display); font-weight: 400; font-size: 17px; color: var(--muted); white-space: nowrap; }
.proof-strip .label { font: 600 11px/1.4 var(--font-ui); letter-spacing: 0.96px; text-transform: uppercase; color: var(--muted-soft); }

/* ---------- CTA band ---------- */
.cta-final { text-align: center; padding: clamp(56px, 8vw, 88px) clamp(24px, 5vw, 64px); position: relative; overflow: hidden; }
.cta-final .display-xl { margin-bottom: 14px; }
.cta-final p { max-width: 46ch; margin: 0 auto 28px; }