/* ============================================================
   PromisePhones - phone farming course
   Dark ground, hairline rules, zero radius, 56px grid with a
   per-band fade. Calm on purpose: no marquees, no counters,
   no motion for its own sake. Credibility comes from spacing
   and legibility, not effects.
   ============================================================ */

:root {
  --dark:    #0a0a0a;
  --mid:     #141414;
  --card:    #161616;
  --ink:     #ededed;
  --white:   #ffffff;
  --body:    #9a9a9a;
  --soft:    #6f6f6f;
  --dim:     #5a564d;

  --line:    rgba(255, 255, 255, 0.10);
  --line-2:  rgba(255, 255, 255, 0.20);

  --good:    #4ade80;
  --bad:     #e06a6a;
  --good-bg: rgba(74, 222, 128, 0.08);

  --f-head: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --f-body: "Manrope", ui-sans-serif, system-ui, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;

  --pad: clamp(1.25rem, 5vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--dark);
  color: var(--body);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; color: var(--white); font-family: var(--f-head); font-weight: 700; letter-spacing: -0.025em; line-height: 1.12; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--white); outline-offset: 3px; }

.wrap { width: 100%; max-width: 840px; margin-inline: auto; padding-inline: var(--pad); }
.wrap--wide { max-width: 1080px; }

/* section grounds, alternating with a 56px grid that fades at both edges */
section {
  position: relative;
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background-color: var(--dark);
  background-image:
    linear-gradient(to bottom, #0a0a0a, #0a0a0a00 10%, #0a0a0a00 90%, #0a0a0a),
    linear-gradient(to right,  rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 100% 100%, 56px 56px, 56px 56px;
  background-repeat: no-repeat, repeat, repeat;
}
section:nth-of-type(even) {
  background-color: var(--mid);
  background-image:
    linear-gradient(to bottom, #141414, #14141400 10%, #14141400 90%, #141414),
    linear-gradient(to right,  rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.055) 1px, transparent 1px);
}
.hr { border-top: 1px solid var(--line); }

h1 { font-size: clamp(2.05rem, 4.8vw, 3.1rem); }
h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); margin-bottom: 1rem; }
h3 { font-size: 1.125rem; }

.lede { font-size: clamp(1.0625rem, 1.5vw, 1.1875rem); color: var(--body); }
.small { font-size: 0.9375rem; }
.muted { color: var(--soft); }
.label {
  font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--soft);
}

/* ---------- header ---------- */
.top { border-bottom: 1px solid var(--line); background: rgba(10,10,10,.92); position: sticky; top: 0; z-index: 20; backdrop-filter: blur(10px); }
.top__in { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 62px; }
.brand { font-family: var(--f-head); font-weight: 700; color: var(--white); font-size: 1.0625rem; letter-spacing: -0.02em; text-decoration: none; }
.top nav { display: flex; gap: 1.75rem; }
.top nav a { font-size: 0.9375rem; color: var(--body); text-decoration: none; transition: color .15s ease; }
.top nav a:hover { color: var(--white); }
@media (max-width: 760px) { .top nav { display: none; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .9rem 1.6rem; border: 1px solid transparent;
  font-weight: 600; font-size: .9375rem; text-decoration: none;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn--primary { background: var(--white); color: #000; }
.btn--primary:hover { background: #d8d8d8; }
.btn--plain { border-color: var(--line-2); color: var(--ink); }
.btn--plain:hover { border-color: var(--white); background: rgba(255,255,255,.04); }
.btn--block { width: 100%; }

/* ---------- hero ---------- */
.hero { padding-top: clamp(3rem, 7vw, 5rem); }
.hero p.lede { margin-top: 1.25rem; max-width: 62ch; }
.hero__actions { margin-top: 2rem; display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.hero__note { margin-top: 1.1rem; }

/* ---------- figures panel ---------- */
.figures { border: 1px solid var(--line); background: var(--card); }
.figures__head { padding: .85rem 1.25rem; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.02); }
.figures__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.fig { padding: 1.35rem 1.25rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.fig__n { font-family: var(--f-head); font-size: 1.7rem; font-weight: 700; color: var(--white); letter-spacing: -0.03em; line-height: 1; }
.fig__l { margin-top: .45rem; font-size: .875rem; color: var(--soft); }
.figures__foot { padding: 1.1rem 1.25rem; font-size: .875rem; color: var(--soft); line-height: 1.6; }

/* ---------- cards ---------- */
.card { border: 1px solid var(--line); background: var(--card); padding: clamp(1.25rem, 3vw, 1.75rem); }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }

/* ---------- checklists ---------- */
.checks { display: grid; gap: .8rem; margin-top: 1.1rem; }
.check { display: grid; grid-template-columns: 20px 1fr; gap: .8rem; align-items: start; font-size: .9375rem; }
.check svg { margin-top: .4rem; }
.check b { color: var(--ink); }

/* ---------- steps ---------- */
.steps { display: grid; gap: 1.6rem; margin-top: 1.6rem; }
.step { display: grid; grid-template-columns: 34px 1fr; gap: 1rem; align-items: start; }
.step__n {
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1px solid var(--line-2); color: var(--ink);
  font-family: var(--f-mono); font-size: .8125rem; font-weight: 500;
}
.step h3 { margin-bottom: .35rem; }

/* ---------- modules ---------- */
.mods { margin-top: 1.6rem; border: 1px solid var(--line); background: var(--card); }
.mod { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; padding: 1.4rem 1.25rem; border-bottom: 1px solid var(--line); }
.mod:last-child { border-bottom: 0; }
.mod__n { font-family: var(--f-mono); font-size: .8125rem; color: var(--dim); padding-top: .2rem; }
.mod ul { margin-top: .7rem; display: grid; gap: .4rem; }
.mod li { font-size: .9375rem; color: var(--body); padding-left: 1rem; position: relative; }
.mod li::before { content: ""; position: absolute; left: 0; top: .75em; width: 6px; height: 1px; background: var(--line-2); }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); gap: 1rem; margin-top: 1.6rem; align-items: start; }
.plan { border: 1px solid var(--line); background: var(--card); padding: 1.6rem; }
.plan--pick { border-color: var(--line-2); }
.plan__tag {
  display: inline-block; font-family: var(--f-mono); font-size: .625rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--good); background: var(--good-bg);
  padding: .3rem .55rem; margin-bottom: .8rem;
}
.plan__price { display: flex; align-items: baseline; gap: .45rem; margin: .8rem 0 .3rem; }
.plan__amt { font-family: var(--f-head); font-size: 2.4rem; font-weight: 700; color: var(--white); letter-spacing: -0.04em; line-height: 1; }
.plan__per { color: var(--soft); font-size: .9375rem; }
.plan .btn { margin-top: 1.35rem; }

/* ---------- callouts ---------- */
.note { border: 1px solid var(--line); border-left: 2px solid var(--line-2); background: var(--card); padding: 1.3rem; }
.note--warn { border-left-color: #6b5a2e; }
.note h3 { margin-bottom: .45rem; font-size: 1rem; }

/* ---------- faq ---------- */
.faq { margin-top: 1.6rem; border-top: 1px solid var(--line); }
.qa { border-bottom: 1px solid var(--line); }
.qa summary {
  list-style: none; cursor: pointer; padding: 1.25rem 2rem 1.25rem 0; position: relative;
  font-family: var(--f-head); font-weight: 700; color: var(--white); font-size: 1.0625rem;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+"; position: absolute; right: .35rem; top: 50%; transform: translateY(-50%);
  font-family: var(--f-mono); color: var(--soft); font-size: 1.2rem;
}
.qa[open] summary::after { content: "\2013"; }
.qa__a { padding-bottom: 1.35rem; max-width: 68ch; }
.qa__a p + p { margin-top: .8rem; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); background: var(--dark); padding-block: 2.25rem; }
.foot__in { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.foot a { font-size: .875rem; color: var(--body); text-decoration: none; }
.foot a:hover { color: var(--white); text-decoration: underline; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .001ms !important; }
}

/* ---------- proof slots ----------
   Deliberately empty until real records are attached. An empty frame that
   says so is honest; a convincing-looking placeholder is not. */
.proof__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; margin-top: .85rem; }
.proof__slot { margin: 0; }
.proof__empty {
  aspect-ratio: 16 / 10; display: grid; place-items: center; text-align: center; padding: 1rem;
  border: 1px dashed var(--line-2); background: rgba(255,255,255,.015);
}
.proof__empty code { font-family: var(--f-mono); font-size: .75rem; color: var(--dim); }
.proof__slot figcaption { margin-top: .6rem; line-height: 1.5; }
.proof__slot img { width: 100%; border: 1px solid var(--line); }

/* ---------- the proof panel ----------
   This is the most load-bearing element on the page, so it is built as a
   distinct panel rather than a caption with a picture under it: its own
   ground, its own border, an accent rule at the top, and a real heading.
   Prominence comes from contrast and space, not from motion. */
.proof {
  margin-top: 2.5rem;
  border: 1px solid var(--line-2);
  border-top: 2px solid var(--good);
  background: var(--card);
  padding: clamp(1.25rem, 3.5vw, 2rem);
}
.proof__head { margin-bottom: 1.25rem; }
.proof__eyebrow {
  font-family: var(--f-mono);
  font-size: .625rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--good);
  margin-bottom: .5rem;
}
.proof__title {
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  letter-spacing: -0.02em;
  color: var(--white);
}

.proof__one { margin: 0; }
.proof__scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  background: #000;
}
.proof__scroll img {
  display: block;
  width: 100%;
  min-width: 820px;      /* keeps the table text legible; scrolls if narrower */
  height: auto;
}
.proof__zoom { margin-top: .75rem; }
.proof__zoom a {
  display: inline-block;
  font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink); text-decoration: none;
  border: 1px solid var(--line-2); padding: .55rem .9rem;
  transition: border-color .15s ease, background .15s ease;
}
.proof__zoom a:hover { border-color: var(--white); background: rgba(255,255,255,.04); }
.proof__one figcaption {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--body);
  max-width: 70ch;
}
.proof__one figcaption strong { color: var(--white); font-weight: 600; }

/* ---------- pricing card detail ----------
   Value is stated as a list of concrete things plus one checkable
   comparison. No struck-through invented "was" price: readers are
   heavily inoculated against those, and it would undercut everything
   else on the page. */
.plan__anchor {
  margin-top: .35rem;
  font-size: .875rem;
  line-height: 1.55;
  color: var(--soft);
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
}
.plan__feats { display: grid; gap: .65rem; margin: 1.1rem 0 0; }
.plan__feats li {
  position: relative;
  padding-left: 1.4rem;
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--ink);
}
.plan__feats li::before {
  content: "";
  position: absolute;
  left: 0; top: .52em;
  width: 9px; height: 5px;
  border-left: 1.5px solid var(--good);
  border-bottom: 1.5px solid var(--good);
  transform: rotate(-45deg);
}
/* Renewal terms sit directly under the buy button on purpose: US state
   automatic-renewal laws require the disclosure to be clear, conspicuous
   and in visual proximity to the point of consent, not buried in Terms. */
.plan__terms {
  margin-top: .85rem;
  font-size: .8125rem;
  line-height: 1.55;
  color: var(--soft);
  text-align: left;
  border-top: 1px solid var(--line);
  padding-top: .85rem;
}
.plan__terms strong { color: var(--ink); font-weight: 600; }

/* ---------- introductory pricing ----------
   $99 is shown as the STANDARD price alongside an introductory $29, not as a
   struck-through "former" price. A former-price claim would need $99 to have
   actually been charged for a meaningful period; presenting it as the standard
   rate is accurate and carries none of that exposure. */
.plan__was {
  font-family: var(--f-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--soft);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  letter-spacing: -0.03em;
}
.plan__tag--intro { color: var(--white); background: rgba(255,255,255,.08); }

/* ---------- legal pages ---------- */
.legal { max-width: 720px; padding-block: clamp(2.5rem, 6vw, 4rem); }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: .75rem; }
.legal__meta { font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase; color: var(--soft); }
.legal h2 { font-size: 1.25rem; margin: 2.5rem 0 .75rem; }
.legal h3 { font-size: 1rem; margin: 1.5rem 0 .5rem; color: var(--ink); }
.legal p { margin-bottom: 1rem; }
.legal ul { margin: 0 0 1rem; display: grid; gap: .5rem; }
.legal li { position: relative; padding-left: 1.1rem; }
.legal li::before { content: ""; position: absolute; left: 0; top: .75em; width: 6px; height: 1px; background: var(--line-2); }
.legal strong { color: var(--ink); font-weight: 600; }
.legal__fill { color: #e0b050; font-family: var(--f-mono); font-size: .875rem; }
.legal__box { border: 1px solid var(--line); border-left: 2px solid var(--line-2); background: var(--card); padding: 1.25rem; margin-bottom: 1.5rem; }
.legal__box p:last-child { margin-bottom: 0; }
.legal__back { display: inline-block; margin-top: 2.5rem; font-family: var(--f-mono); font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase; color: var(--body); text-decoration: none; }
.legal__back:hover { color: var(--white); text-decoration: underline; }

/* ---- email prompt before hosted checkout ---- */
.ask {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center; padding: var(--pad);
  background: rgba(0, 0, 0, .72);
}
.ask__box {
  width: min(26rem, 100%);
  background: var(--card);
  border: 1px solid var(--line-2);
  padding: 1.75rem;
}
.ask__h { font-family: var(--f-head); font-size: 1.125rem; color: var(--white); margin: 0 0 .5rem; }
.ask__p { color: var(--body); font-size: .875rem; line-height: 1.5; margin: 0 0 1.25rem; }
.ask__form { display: block; }
.ask__in {
  width: 100%; padding: .75rem .875rem;
  background: var(--dark); color: var(--ink);
  border: 1px solid var(--line-2); border-radius: 0;
  font-family: var(--f-body); font-size: .9375rem;
}
.ask__in:focus { outline: none; border-color: var(--white); }
.ask__err { color: var(--bad); font-size: .8125rem; margin: .5rem 0 0; }
.ask__row { display: flex; gap: .625rem; margin-top: 1.25rem; }
.ask__row .btn { flex: 1; }

/* ---- account panes: welcome.html, login.html ---- */
.pane { max-width: 34rem; padding-block: clamp(3rem, 9vw, 6rem); }
.pane__eyebrow { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin: 0 0 .75rem; }
.pane__h { font-family: var(--f-head); font-size: clamp(1.6rem, 4vw, 2.25rem); color: var(--white); line-height: 1.15; margin: 0 0 1rem; }
.pane__p { color: var(--body); line-height: 1.6; margin: 0 0 1.5rem; }
.pane__notice { border: 1px solid var(--line-2); border-left: 2px solid var(--bad); padding: .875rem 1rem; color: var(--ink); font-size: .9375rem; margin: 0 0 1.5rem; }
.pane__form { display: block; margin: 0 0 1.5rem; }
.pane__label { display: block; font-size: .8125rem; color: var(--soft); margin: 0 0 .5rem; }
.pane__in { width: 100%; padding: .8125rem .875rem; background: var(--dark); color: var(--ink); border: 1px solid var(--line-2); border-radius: 0; font-family: var(--f-body); font-size: .9375rem; margin: 0 0 1rem; }
.pane__in:focus { outline: none; border-color: var(--white); }
.pane__err { color: var(--bad); font-size: .8125rem; margin: -.5rem 0 1rem; }
.pane__done { border: 1px solid var(--line); background: var(--card); padding: 1.25rem; margin: 0 0 1.5rem; }
.pane__done .pane__p { margin-bottom: 1rem; }
.pane__foot { margin: 0; }
.pane__foot a { color: var(--ink); }

/* ---- course.html ---- */
.course { max-width: 46rem; padding-block: clamp(3rem, 9vw, 6rem); }
.course__wait { margin: 0; }
.course__h { font-family: var(--f-head); font-size: clamp(1.75rem, 4.5vw, 2.5rem); color: var(--white); margin: 0 0 1rem; }
.course__lede { max-width: 34rem; }
.course__until { margin: 0 0 2.5rem; }
.course__actions { display: flex; gap: .625rem; flex-wrap: wrap; }
.cmod { border-top: 1px solid var(--line); padding-top: 1.5rem; margin-top: 2.5rem; }
.cmod__h { font-family: var(--f-head); font-size: 1.25rem; color: var(--white); display: flex; align-items: baseline; gap: .75rem; margin: 0 0 1rem; }
.cmod__n { color: var(--dim); font-size: .8125rem; }
.cmod__list { margin: 0; padding-left: 1.25rem; color: var(--body); }
.cmod__list li { line-height: 1.6; padding: .375rem 0; }

/* ---- course index links + lesson reader ---- */
.course__stats { margin: -1.5rem 0 2.5rem; }
.cmod__list li { line-height: 1.6; padding: .5rem 0; }
.cmod__soon { color: var(--soft); }
.cmod__link { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line-2); }
.cmod__link:hover { color: var(--white); border-bottom-color: var(--white); }
.cmod__sum { display: block; color: var(--soft); font-size: .875rem; line-height: 1.5; margin-top: .25rem; }
.cmod__meta { display: block; color: var(--dim); font-size: .75rem; margin-top: .25rem; }

.reader__back { margin: 0 0 2rem; }
.reader__back a, .reader__nav a { color: var(--soft); font-size: .875rem; }
.reader__back a:hover, .reader__nav a:hover { color: var(--white); }
.reader__eyebrow { font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--dim); margin: 0 0 .75rem; }
.reader__h { font-family: var(--f-head); font-size: clamp(1.75rem, 4.5vw, 2.5rem); color: var(--white); line-height: 1.15; margin: 0 0 2rem; }
.reader { max-width: 38rem; }
.reader h2 { font-family: var(--f-head); font-size: 1.375rem; color: var(--white); margin: 3rem 0 1rem; }
.reader h3 { font-family: var(--f-head); font-size: 1.0625rem; color: var(--ink); margin: 2rem 0 .75rem; }
.reader p { color: var(--body); line-height: 1.7; margin: 0 0 1.25rem; }
.reader strong { color: var(--ink); }
.reader ul, .reader ol { color: var(--body); margin: 0 0 1.25rem; padding-left: 1.25rem; }
.reader li { line-height: 1.7; padding: .3125rem 0; }
.reader blockquote { border-left: 2px solid var(--line-2); margin: 0 0 1.25rem; padding: .25rem 0 .25rem 1.25rem; color: var(--ink); }
.reader code { font-family: var(--f-mono); font-size: .875em; color: var(--ink); }
.reader table { width: 100%; border-collapse: collapse; margin: 0 0 1.25rem; font-size: .9375rem; }
.reader th, .reader td { text-align: left; padding: .625rem .75rem; border-bottom: 1px solid var(--line); color: var(--body); }
.reader th { color: var(--ink); font-weight: 600; }
.reader .scroll { overflow-x: auto; }
.reader__nav { margin: 3rem 0 0; padding-top: 1.5rem; border-top: 1px solid var(--line); }