/* ==========================================================================
   Stephanie Coaching — shared interior-page stylesheet
   "The Red Pen" design system, matching index.html (homepage).

   Loaded by: faq.html, testimonials.html, knowledge/*.html
   The homepage keeps its own bespoke inline CSS; this file reproduces its
   tokens, chrome (header/footer) and type scale so interior pages read as
   the same publication.
   ========================================================================== */

:root{
  /* --- Red Pen palette (identical to homepage) --- */
  --paper:        #FFFFFF;
  --paper-raised: #FAF8F4;
  --paper-deep:   #F2F0EB;
  --ink:          #1C1712;
  --ink-soft:     #5D5347;
  --ink-faint:    #93876F;
  --pen:          #C13A2B;
  --pen-deep:     #99291C;
  --gold:         #B8862B;
  --line:         rgba(28,23,18,.12);
  --line-strong:  rgba(28,23,18,.36);

  --f-display: "Newsreader", Georgia, serif;
  --f-body:    "Inter", "Segoe UI", -apple-system, sans-serif;
  --f-mono:    "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --f-hand:    "Caveat", cursive;

  --gutter: clamp(20px, 4vw, 56px);
  --max: 1280px;
  --head-h: 76px;

  --ease-out: cubic-bezier(.19, 1, .22, 1);

  /* --- Legacy aliases: a few pages still reference these in inline style="" --- */
  --primary:      var(--pen);
  --primary-dark: var(--pen-deep);
  --secondary:    var(--gold);
  --surface:      var(--paper);
  --on-surface:   var(--ink);
  --maxw:         var(--max);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
::selection{ background:var(--pen); color:var(--paper); }
:focus-visible{ outline:2px solid var(--pen); outline-offset:3px; }

.wrap{ max-width:var(--max); margin-inline:auto; padding-inline:var(--gutter); }

/* ==========================================================================
   Header — matches the homepage's solid (scrolled) header state
   ========================================================================== */

/* The homepage has no utility topbar; hide it so the chrome matches exactly. */
.topbar{ display:none; }

header.nav{
  position:sticky; top:0; z-index:100;
  min-height:var(--head-h);
  display:flex; align-items:center;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
header.nav > .wrap{
  width:100%;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
/* JS toggles .scrolled past 10px — mirrors the homepage's is-solid shadow */
header.nav.scrolled{ box-shadow:0 1px 20px rgba(28,23,18,.06); }

.brand{ display:flex; align-items:center; gap:12px; min-width:0; }
.brand-mark img{ width:38px; height:auto; flex:none; }
.brand > span:not(.brand-mark){ display:flex; flex-direction:column; line-height:1.15; }
/* Brand lockup — values copied from the homepage so the header is identical. */
.brand-name{
  font-family:var(--f-display); font-weight:560; font-size:17px;
  letter-spacing:-.01em; color:var(--ink); white-space:nowrap;
}
.brand-tag{
  font-family:var(--f-mono); font-size:9.5px; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; color:var(--pen);
  white-space:nowrap;
}

.nav-links{ display:flex; align-items:center; gap:26px; list-style:none; }
.nav-links a{
  position:relative;
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft);
  transition:color .25s ease;
  padding-block:6px;
}
.nav-links a:hover{ color:var(--ink); }
/* Chapter numbers (<i>01</i>) — mirrors the homepage's .head-nav a i */
.nav-links a i,
.mobile-menu a i{
  font-style:normal; color:var(--ink-faint);
  margin-right:5px; font-size:10px;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:var(--pen); transform:scaleX(0); transform-origin:left;
  transition:transform .35s var(--ease-out);
}
.nav-links a:hover::after,
.nav-links a.active::after{ transform:scaleX(1); }
.nav-links a.active{ color:var(--ink); }

/* ---------- Buttons (.cta doubles as nav button and section CTA) ---------- */
.cta{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.12em; text-transform:uppercase;
  padding:11px 18px;
  border:1px solid var(--ink);
  background:var(--ink); color:var(--paper);
  white-space:nowrap;
  transition:background .3s ease, border-color .3s ease, transform .3s var(--ease-out);
}
.cta:hover{ background:var(--pen); border-color:var(--pen); transform:translateY(-2px); }
.cta:active{ transform:translateY(0); }
.cta .arr{ transition:transform .3s var(--ease-out); }
.cta:hover .arr{ transform:translate(3px,-3px); }
.cta.ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
.cta.ghost:hover{ background:var(--paper-raised); color:var(--ink); border-color:var(--ink); }

/* ---------- Mobile nav ---------- */
.nav-toggle{
  display:none; flex-direction:column; gap:5px; justify-content:center;
  width:42px; height:42px; padding:0 9px;
  background:none; border:0; cursor:pointer;
}
.nav-toggle span{
  display:block; height:1.5px; width:100%; background:var(--ink);
  transition:transform .3s var(--ease-out), opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

.mobile-menu{
  display:none;
  position:absolute; left:0; right:0; top:100%;
  background:var(--paper); border-bottom:1px solid var(--line);
  box-shadow:0 18px 40px rgba(28,23,18,.10);
}
.mobile-menu.open{ display:block; }
.mobile-menu ul{ list-style:none; padding:12px var(--gutter) 22px; }
.mobile-menu li + li{ border-top:1px solid var(--line); }
.mobile-menu a{
  display:block; padding:16px 0;
  font-family:var(--f-mono); font-size:12px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-soft);
}
.mobile-menu a:hover{ color:var(--pen); }

/* ==========================================================================
   Page head — the editorial masthead for interior pages
   ========================================================================== */
.page-head{
  background:var(--paper-raised);
  border-bottom:1px solid var(--line);
  padding-block:clamp(48px, 8vh, 96px) clamp(40px, 6vh, 72px);
}
.crumbs{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint);
  margin-bottom:clamp(24px, 4vh, 40px);
}
.crumbs a{ color:var(--ink-faint); transition:color .25s ease; }
.crumbs a:hover{ color:var(--pen); }

.eyebrow, .section-eyebrow, .k-eyebrow{
  display:inline-block;
  font-family:var(--f-mono); font-size:12px; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase; color:var(--pen);
  margin-bottom:18px;
}

.page-head h1{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.025em;
  font-size:clamp(38px, 6vw, 78px); line-height:1.06;
  font-variation-settings:"opsz" 60;
  max-width:16em;
}
.page-head h1 em{ font-style:italic; font-weight:400; color:var(--pen); }

.lede{
  margin-top:clamp(20px, 3vh, 30px);
  font-size:clamp(17px, 1.5vw, 20px); line-height:1.7; color:var(--ink-soft);
  max-width:38em;
}
.lede a{ color:var(--pen); border-bottom:1px solid rgba(193,58,43,.35); }

/* ==========================================================================
   Article body
   ========================================================================== */
.article{ padding-block:clamp(56px, 9vh, 110px); }
.article .inner{ max-width:76ch; }

.article h2{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.02em;
  font-size:clamp(28px, 3.4vw, 44px); line-height:1.15;
  font-variation-settings:"opsz" 40;
  margin-top:clamp(48px, 7vh, 84px); margin-bottom:20px;
  padding-top:clamp(24px, 3vh, 36px);
  border-top:1px solid var(--line);
}
.article .inner > h2:first-child{ margin-top:0; padding-top:0; border-top:0; }
.article h2 em{ font-style:italic; font-weight:400; color:var(--pen); }

.article h3{
  font-family:var(--f-display); font-weight:560; letter-spacing:-.01em;
  font-size:clamp(20px, 1.9vw, 26px); line-height:1.3;
  margin-top:38px; margin-bottom:12px; color:var(--ink);
}
.article h4{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint);
  margin-top:26px; margin-bottom:10px;
}

.article p{ margin-bottom:20px; font-size:17px; line-height:1.78; color:var(--ink); }
.article .inner > p:last-child{ margin-bottom:0; }
.article ul, .article ol{ margin:0 0 22px 0; padding-left:0; list-style:none; }
.article li{
  position:relative; padding-left:26px; margin-bottom:12px;
  font-size:17px; line-height:1.72; color:var(--ink);
}
.article ul li::before{
  content:""; position:absolute; left:2px; top:.72em;
  width:7px; height:1.5px; background:var(--pen);
}
.article ol{ counter-reset:li; }
.article ol li::before{
  counter-increment:li; content:counter(li) ".";
  position:absolute; left:0; top:0;
  font-family:var(--f-mono); font-size:12px; color:var(--pen);
}
.article strong{ font-weight:600; color:var(--ink); }
.article em{ font-family:var(--f-display); font-style:italic; }
.article a{
  color:var(--pen);
  border-bottom:1px solid rgba(193,58,43,.35);
  transition:border-color .25s ease, background .25s ease;
}
.article a:hover{ border-color:var(--pen); background:rgba(193,58,43,.06); }

/* ---------- Callout ---------- */
.callout{
  margin:clamp(36px, 5vh, 56px) 0 0;
  background:var(--paper-deep);
  border-left:2px solid var(--pen);
  padding:clamp(22px, 2.6vw, 34px);
}
.callout p{
  margin:0; font-size:17px; line-height:1.72; color:var(--ink-soft);
}
.callout strong{ color:var(--ink); font-weight:600; }

/* ---------- Question-type / feature cards (thinking-skills-guide) ---------- */
.qtype{
  border:1px solid var(--line);
  background:var(--paper-raised);
  padding:clamp(20px, 2.2vw, 28px);
  margin-bottom:16px;
  transition:border-color .3s ease, transform .3s var(--ease-out);
}
.qtype:hover{ border-color:var(--line-strong); transform:translateY(-2px); }
.qtype h3{ margin:0 0 10px; display:flex; align-items:baseline; gap:14px; flex-wrap:wrap; }
.qtype h3 span{
  font-family:var(--f-mono); font-size:10px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--pen);
  border:1px solid rgba(193,58,43,.3); padding:3px 8px;
}
.qtype p{ margin:0; color:var(--ink-soft); font-size:16px; }

/* ---------- Tables ---------- */
.table-scroll{ overflow-x:auto; margin:0 0 24px; }
.kb-table{
  width:100%; border-collapse:collapse;
  font-size:16px; min-width:520px;
}
.kb-table th, .kb-table td{
  text-align:left; padding:16px 18px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.kb-table th{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint);
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
.kb-table td{ color:var(--ink-soft); line-height:1.7; }
.kb-table tr:hover td{ background:var(--paper-raised); }
.kb-table a{ color:var(--pen); border-bottom:1px solid rgba(193,58,43,.35); }

/* ==========================================================================
   Knowledge hub index — card grid
   ========================================================================== */
.card-grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
}
.kb-card{
  display:flex; flex-direction:column; gap:14px;
  padding:clamp(26px, 2.8vw, 40px);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background .4s ease;
  min-height:250px;
}
.kb-card:hover{ background:var(--paper-raised); }
.kb-card .k-eyebrow{ margin-bottom:0; }
.kb-card h3{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.015em;
  font-size:clamp(22px, 2.1vw, 30px); line-height:1.18; color:var(--ink);
}
.kb-card p{ color:var(--ink-soft); font-size:16px; line-height:1.7; flex:1; }
.kb-card .go{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--pen);
  transition:transform .3s var(--ease-out);
  display:inline-block;
}
.kb-card:hover .go{ transform:translateX(4px); }

/* ==========================================================================
   FAQ page
   ========================================================================== */
.faq-section{ padding-block:clamp(48px, 7vh, 90px); }
.faq-section + .faq-section{ border-top:1px solid var(--line); }
.faq-section h2{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.02em;
  font-size:clamp(28px, 3.4vw, 44px); line-height:1.15;
  margin-bottom:clamp(28px, 4vh, 44px);
}
.faq-list{ border-top:1px solid var(--line); max-width:80ch; }

details.faq{ border-bottom:1px solid var(--line); }
details.faq summary{
  list-style:none; cursor:pointer;
  display:flex; align-items:flex-start; justify-content:space-between; gap:20px;
  padding:24px 0;
  font-family:var(--f-display); font-weight:560;
  font-size:clamp(18px, 1.7vw, 22px); line-height:1.4; color:var(--ink);
  transition:color .25s ease;
}
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{
  content:"+"; flex:none;
  font-family:var(--f-mono); font-size:20px; font-weight:400; color:var(--pen);
  line-height:1.2;
  transition:transform .3s var(--ease-out);
}
details.faq[open] summary::after{ transform:rotate(45deg); }
details.faq summary:hover{ color:var(--pen); }
.faq-a{ padding:0 0 26px; max-width:70ch; }
.faq-a p{ color:var(--ink-soft); font-size:17px; line-height:1.78; margin-bottom:14px; }
.faq-a p:last-child{ margin-bottom:0; }
.faq-a a{ color:var(--pen); border-bottom:1px solid rgba(193,58,43,.35); }
.faq-a ul{ list-style:none; margin-top:6px; }
.faq-a li{
  position:relative; padding-left:24px; margin-bottom:10px;
  color:var(--ink-soft); font-size:17px; line-height:1.7;
}
.faq-a li::before{
  content:""; position:absolute; left:2px; top:.72em;
  width:7px; height:1.5px; background:var(--pen);
}

/* ==========================================================================
   Testimonials page
   ========================================================================== */
.summary-bar{
  margin-top:clamp(32px, 5vh, 52px);
  display:grid; grid-template-columns:repeat(3, 1fr);
  border-top:1px solid var(--line);
}
.summary-bar > div{
  padding:22px 20px 4px;
  border-left:1px solid var(--line);
  display:flex; flex-direction:column; gap:4px;
}
.summary-bar > div:first-child{ border-left:0; padding-left:0; }
.summary-bar .n{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.02em;
  font-size:clamp(24px, 2.6vw, 36px); line-height:1.1; color:var(--ink);
}
.summary-bar .l{
  font-family:var(--f-mono); font-size:10px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint);
}

.filters{
  position:sticky; top:var(--head-h); z-index:50;
  background:rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.filters .wrap{ display:flex; gap:10px; flex-wrap:wrap; padding-block:16px; }
.chip{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.12em; text-transform:uppercase;
  padding:9px 16px; cursor:pointer;
  background:transparent; color:var(--ink-soft);
  border:1px solid var(--line-strong);
  transition:background .25s ease, color .25s ease, border-color .25s ease;
}
.chip:hover{ border-color:var(--ink); color:var(--ink); }
.chip.active{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

.grid-section{ padding-block:clamp(48px, 7vh, 90px); }
.grid{
  display:grid; grid-template-columns:repeat(auto-fill, minmax(340px, 1fr));
  gap:clamp(18px, 2vw, 28px);
  align-items:start;
}
.testi{
  background:var(--paper-raised);
  border:1px solid var(--line);
  padding:clamp(24px, 2.6vw, 36px);
  display:flex; flex-direction:column; gap:16px;
  transition:border-color .3s ease, transform .3s var(--ease-out);
}
.testi:hover{ border-color:var(--line-strong); transform:translateY(-3px); }
.testi .stars{ color:var(--gold); font-size:14px; letter-spacing:.18em; }
.testi blockquote{
  font-size:16px; line-height:1.75; color:var(--ink);
  border:0; padding:0; margin:0;
}
.testi blockquote.long{ font-size:15.5px; }
/* Attribution is a <cite>: name, then role, then an optional school chip. */
.testi cite{
  margin-top:auto; font-style:normal;
  display:flex; flex-direction:column; gap:3px;
  font-family:var(--f-mono); font-size:10px; font-weight:500;
  letter-spacing:.14em; text-transform:uppercase; color:var(--ink-faint);
}
.testi cite b{
  font-family:var(--f-display); font-weight:600; font-size:16px;
  letter-spacing:0; text-transform:none; color:var(--ink);
}
.testi .school{ color:var(--pen); }

/* .gold marks a featured card — accent the border, never the body text. */
.testi.gold{ border-color:rgba(184,134,43,.5); background:#FDFBF6; }

/* The filter JS toggles .hidden on cards. */
.hidden{ display:none !important; }

.actions{
  display:flex; gap:12px; flex-wrap:wrap; justify-content:center;
  margin-top:clamp(32px, 5vh, 48px);
}

/* ==========================================================================
   CTA section
   ========================================================================== */
.cta-section{
  background:var(--paper-deep);
  border-top:1px solid var(--line);
  padding-block:clamp(64px, 10vh, 120px);
  text-align:center;
}
.cta-section h2{
  font-family:var(--f-display); font-weight:480; letter-spacing:-.025em;
  font-size:clamp(30px, 4.4vw, 58px); line-height:1.1;
  font-variation-settings:"opsz" 60;
  max-width:20em; margin-inline:auto;
}
.cta-section h2 em{ font-style:italic; font-weight:400; color:var(--pen); }
.cta-section p{
  margin:22px auto 34px; max-width:44em;
  color:var(--ink-soft); font-size:17px; line-height:1.7;
}
.cta-section .cta{ padding:15px 26px; font-size:12px; }

/* ==========================================================================
   Footer — matches homepage .site-foot
   ========================================================================== */
footer{
  background:var(--ink); color:var(--paper);
  padding:clamp(64px, 9vh, 110px) 0 34px;
}
footer .foot-grid{
  display:grid; grid-template-columns:minmax(0, 4fr) repeat(3, minmax(0, 2fr));
  gap:clamp(28px, 4vw, 60px);
}
footer .foot-brand .brand-name{ color:var(--paper); }
footer .foot-brand .brand-tag{ color:var(--gold); }
footer .foot-brand p{
  margin-top:16px; color:rgba(245,240,230,.6);
  font-size:15px; line-height:1.7; max-width:32em;
}
footer h5{
  font-family:var(--f-mono); font-size:11px; font-weight:500;
  letter-spacing:.18em; text-transform:uppercase;
  color:rgba(245,240,230,.5);
  margin-bottom:18px;
}
footer ul{ list-style:none; }
footer li{ margin-bottom:11px; }
footer li a{
  color:rgba(245,240,230,.78); font-size:15px;
  transition:color .25s ease;
}
footer li a:hover{ color:var(--paper); }
footer .foot-bottom{
  margin-top:clamp(44px, 7vh, 72px); padding-top:24px;
  border-top:1px solid rgba(245,240,230,.14);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
  font-family:var(--f-mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color:rgba(245,240,230,.45);
}

/* ==========================================================================
   Scroll progress bar + back-to-top FAB
   ========================================================================== */
/* Track is full-width; the inner <span> is the fill, driven by JS via
   transform:scaleX(0…1) — so it must be full-width and scaled, not sized. */
.scroll-progress{
  position:fixed; top:0; left:0; right:0; height:2px;
  z-index:200; background:transparent; pointer-events:none;
}
.scroll-progress > span{
  display:block; width:100%; height:100%;
  background:var(--pen);
  transform:scaleX(0); transform-origin:left center;
}
.fab{
  position:fixed; right:24px; bottom:24px; z-index:90;
  width:48px; height:48px;
  display:grid; place-items:center;
  background:var(--ink); color:var(--paper);
  border:1px solid var(--ink); border-radius:50%;
  cursor:pointer;
  opacity:0; visibility:hidden;
  transform:translateY(10px);
  transition:opacity .3s ease, transform .3s var(--ease-out), background .3s ease, visibility .3s;
}
.fab.show, .fab.active, .fab-top.show{
  opacity:1; visibility:visible; transform:translateY(0);
}
.fab:hover{ background:var(--pen); border-color:var(--pen); }
.fab svg{ width:18px; height:18px; }
.ring-track{ stroke:rgba(245,240,230,.25); }
.ring-fill{ stroke:var(--paper); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1024px){
  .nav-links{ display:none; }
  .nav-toggle{ display:flex; }
  header.nav > .wrap{ position:relative; }
  .cta{ display:none; }
  footer .foot-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:720px){
  .brand-tag{ display:none; }
  .card-grid{ grid-template-columns:1fr; }
  .grid{ grid-template-columns:1fr; }
  .summary-bar{ grid-template-columns:1fr; }
  .summary-bar > div{
    border-left:0; padding-left:0;
    border-top:1px solid var(--line);
    padding-top:16px;
  }
  .summary-bar > div:first-child{ border-top:0; }
  footer .foot-grid{ grid-template-columns:1fr; }
  .article .inner{ max-width:none; }
}

@media (prefers-reduced-motion:reduce){
  *, *::before, *::after{
    animation-duration:.01ms !important; animation-iteration-count:1 !important;
    transition-duration:.01ms !important; scroll-behavior:auto !important;
  }
}