/* ==========================================================================
   Small Print — Design System
   Typefaces: Fraunces (display) / Inter (body/UI) / IBM Plex Mono (terms, data)
   Palette: paper greys, deep ink navy, protection teal, warm gold, brick red
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* colors */
  --bg:            #F0F2ED;
  --bg-alt:        #E5E9E0;
  --card:          #FFFFFF;
  --ink:           #16233D;
  --ink-soft:      #4B5768;
  --ink-faint:     #7C8798;
  --line:          #D8DCD2;
  --teal:          #1C6E63;
  --teal-dark:     #123F39;
  --teal-tint:     #E1EDE9;
  --gold:          #C98A3E;
  --gold-tint:     #F6E9D6;
  --brick:         #B8433A;
  --brick-tint:    #F5E1DE;

  /* type */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, monospace;

  /* scale */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1.25rem;
  --space-4: 2rem;
  --space-5: 3.25rem;
  --space-6: 5rem;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(22,35,61,0.06), 0 8px 24px rgba(22,35,61,0.06);
  --max-width: 1120px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; }

h1, h2, h3, h4{
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 var(--space-2);
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 4vw, 3.4rem); font-weight: 600; }
h2{ font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3{ font-size: 1.25rem; }
p{ margin: 0 0 var(--space-3); color: var(--ink-soft); }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Header / Nav ---------------- */
.site-header{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(240,242,237,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-4);
  max-width: var(--max-width);
  margin: 0 auto;
}
.brand{
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}
.brand img{
  height: 55px;
  width: auto;
  display: block;
}
.footer-brand img{
  height: 26px;
  width: auto;
  display: block;
  margin-bottom: var(--space-2);
}

.nav-links{
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a{
  display: inline-block;
  padding: 0.5rem 0.85rem;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-soft);
  border-radius: var(--radius-sm);
  transition: color .15s ease, background .15s ease;
}
.nav-links a:hover{ color: var(--ink); background: var(--bg-alt); }
.nav-links a[aria-current="page"]{ color: var(--teal-dark); background: var(--teal-tint); }

.nav-links .disabled{
  color: var(--ink-faint);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.soon-tag{
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: var(--bg-alt);
  color: var(--ink-faint);
  padding: 0.15rem 0.4rem;
  border-radius: 20px;
}

.nav-toggle{
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.6rem;
  cursor: pointer;
}
.nav-toggle span{
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  margin: 4px 0;
}

@media (max-width: 860px){
  .nav-toggle{ display: block; }
  .nav-links{
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    padding: var(--space-2);
    display: none;
  }
  .nav-links.open{ display: flex; }
  .nav-links a{ padding: 0.75rem 0.85rem; }
}

/* ---------------- Buttons ---------------- */
.btn{
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{ background: var(--teal); color: #fff; }
.btn-primary:hover{ background: var(--teal-dark); }
.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover{ background: var(--bg-alt); }

/* ---------------- Hero (policy declaration) ---------------- */
.hero{
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.hero .container{
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
  align-items: center;
}
.hero-eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--teal-dark);
  display: inline-block;
  margin-bottom: var(--space-2);
}
.hero h1{ margin-bottom: var(--space-3); }
.hero-lede{ font-size: 1.1rem; max-width: 46ch; }
.hero-actions{ display: flex; gap: var(--space-2); margin-top: var(--space-3); flex-wrap: wrap; }

/* the "policy stub" signature visual */
.policy-stub{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: var(--space-4);
  position: relative;
  transform: rotate(1.2deg);
}
.policy-stub::before{
  content: "";
  position: absolute;
  left: -9px; top: 50%;
  width: 18px; height: 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: translateY(-50%);
}
.policy-stub::after{
  content: "";
  position: absolute;
  right: -9px; top: 50%;
  width: 18px; height: 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: translateY(-50%);
}
.policy-stub .stub-row{
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.policy-stub .stub-row:last-child{ border-bottom: none; }
.policy-stub .stub-label{ color: var(--ink-faint); }
.policy-stub .stub-value{ color: var(--ink); font-weight: 600; }
.policy-stub .stub-stamp{
  margin-top: var(--space-2);
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal-dark);
  border: 1.5px solid var(--teal);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  transform: rotate(-3deg);
}

@media (max-width: 860px){
  .hero .container{ grid-template-columns: 1fr; }
  .policy-stub{ transform: none; }
}

/* ---------------- Pillars (3 learning tracks) ---------------- */
.pillars{ padding: var(--space-6) 0; }
.section-head{ max-width: 60ch; margin-bottom: var(--space-5); }
.section-head .hero-eyebrow{ margin-bottom: var(--space-1); }

.pillar-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.pillar-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  position: relative;
  box-shadow: var(--shadow-card);
  transition: transform .18s ease, box-shadow .18s ease;
  border-bottom: 4px solid var(--teal);
}
.pillar-card:nth-child(2){ border-bottom-color: var(--gold); }
.pillar-card:nth-child(3){ border-bottom-color: var(--brick); }
.pillar-card:hover{ transform: translateY(-4px); box-shadow: 0 12px 28px rgba(22,35,61,0.12); }
.pillar-index{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-faint);
}
.pillar-icon{ color: var(--teal); margin-bottom: var(--space-1); }
.pillar-card:nth-child(2) .pillar-icon{ color: var(--gold); }
.pillar-card:nth-child(3) .pillar-icon{ color: var(--brick); }
.pillar-card h3{ margin-top: 0.35rem; }
.pillar-card p{ font-size: 0.95rem; margin-bottom: var(--space-1); }
.pillar-link{
  margin-top: auto;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--teal-dark);
}

@media (max-width: 860px){
  .pillar-grid{ grid-template-columns: 1fr; }
}

/* ---------------- Why / trust strip ---------------- */
.trust-strip{
  background: var(--teal-dark);
  color: #EAF2F0;
  padding: var(--space-5) 0;
}
.trust-strip .container{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.trust-item .num{
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-tint);
  display: block;
  margin-bottom: 0.25rem;
}
.trust-item p{ color: #C9DAD6; margin: 0; font-size: 0.92rem; }
.trust-icon{ color: var(--gold-tint); margin-bottom: var(--space-1); opacity: 0.9; }

@media (max-width: 860px){
  .trust-strip .container{ grid-template-columns: 1fr; gap: var(--space-3); }
}

/* ---------------- Tabs (Learning page) ---------------- */
.learning-header{ padding: var(--space-5) 0 var(--space-3); border-bottom: 1px solid var(--line); }
.tabs{
  display: flex;
  gap: 0.4rem;
  list-style: none;
  padding: 0; margin: var(--space-3) 0 0;
  flex-wrap: wrap;
}
.tab-btn{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all .15s ease;
}
.tab-btn:hover{ border-color: var(--teal); color: var(--teal-dark); }
.tab-btn[aria-selected="true"]{
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.learning-body{ padding: var(--space-5) 0 var(--space-6); }
.article-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}
.article-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  box-shadow: var(--shadow-card);
  transition: transform .15s ease;
}
.article-card:hover{ transform: translateY(-3px); }
.article-tag{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--teal-dark);
  background: var(--teal-tint);
  align-self: flex-start;
  padding: 0.2rem 0.5rem;
  border-radius: 20px;
}
.article-card h3{ font-size: 1.05rem; margin: 0.2rem 0 0.1rem; }
.article-card .excerpt{ font-size: 0.9rem; color: var(--ink-soft); margin: 0; }
.article-meta{ font-size: 0.78rem; color: var(--ink-faint); margin-top: auto; }

/* ---------------- Glossary index cards (jargon) ---------------- */
.glossary-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-3);
}
.term-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  position: relative;
  background-image: repeating-linear-gradient(to bottom, transparent 0 27px, var(--bg-alt) 27px 28px);
}
.term-card .term{
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1rem;
  color: var(--ink);
  display: block;
  margin-bottom: 0.4rem;
}
.term-card .definition{ font-size: 0.9rem; color: var(--ink-soft); margin: 0; }

/* ---------------- Loading / empty / error states ---------------- */
.state-msg{
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ink-faint);
  padding: var(--space-4) 0;
}
.state-msg.error{ color: var(--brick); }

/* ---------------- Article detail ---------------- */
.article-detail{ padding: var(--space-5) 0 var(--space-6); }
.article-detail .container{ max-width: 760px; }
.back-link{
  display: inline-block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--teal-dark);
  text-decoration: none;
  margin-bottom: var(--space-3);
}
.article-detail h1{ margin-bottom: var(--space-1); }
.article-detail .article-meta{ margin-bottom: var(--space-4); }
.article-body{ font-size: 1.05rem; }
.article-body h2{ margin-top: var(--space-4); }
.article-body p{ color: var(--ink); }
.article-body ul, .article-body ol{ color: var(--ink); padding-left: 1.3em; }
.article-body li{ margin-bottom: 0.4em; }

/* ---------------- FAQ ---------------- */
.faq-list{ max-width: 760px; }
.faq-item{
  border-bottom: 1px solid var(--line);
}
.faq-question{
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-3) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--ink);
}
.faq-question .plus{
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--teal);
  transition: transform .2s ease;
  flex: none;
}
.faq-item[data-open="true"] .plus{ transform: rotate(45deg); }
.faq-answer{
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
}
.faq-answer p{ padding-bottom: var(--space-3); margin: 0; }

/* ---------------- About ---------------- */
.about-hero{ padding: var(--space-6) 0 var(--space-4); }
.about-hero .container{ max-width: 760px; }
.about-copy{ margin-top: var(--space-4); }
.about-copy h2{ margin-top: var(--space-5); }
.about-copy p{ font-size: 1.05rem; }
.value-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.value-card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  background: var(--card);
}
.value-icon{ color: var(--teal-dark); margin-bottom: var(--space-1); }
@media (max-width: 700px){ .value-grid{ grid-template-columns: 1fr; } }

.final-thought{
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--teal-dark);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.final-thought::before{
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 5px;
  background: var(--gold);
}
.final-thought h2{
  color: #EAF2F0;
  margin-top: 0;
}
.final-thought p{
  color: #C9DAD6;
  font-family: var(--font-display);
  font-size: 1.15rem;
  line-height: 1.5;
}
.final-thought p:last-child{
  color: var(--gold-tint);
  font-weight: 500;
  margin-bottom: 0;
}

/* ---------------- Footer ---------------- */
.site-footer{
  border-top: 1px solid var(--line);
  padding: var(--space-5) 0;
  margin-top: var(--space-6);
  background: var(--bg-alt);
}
.footer-grid{
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-4);
}
.footer-grid h4{ font-size: 0.95rem; margin-bottom: var(--space-1); }
.footer-links{ list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a{ text-decoration: none; color: var(--ink-soft); font-size: 0.9rem; }
.footer-links a:hover{ color: var(--teal-dark); }
.footer-note{ font-size: 0.82rem; color: var(--ink-faint); margin-top: var(--space-4); }
.disclaimer{
  font-size: 0.8rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--line);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
}
@media (max-width: 700px){ .footer-grid{ grid-template-columns: 1fr; } }

/* ---------------- Utility ---------------- */
.mt-0{ margin-top: 0; }
.text-center{ text-align: center; }

/* ---------------- Engagement: scroll reveal ---------------- */
.reveal{
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in-view{
  opacity: 1;
  transform: translateY(0);
}

/* ---------------- Engagement: micro-interactions ---------------- */
.nav-links a{ position: relative; }
.nav-links a::after{
  content: "";
  position: absolute;
  left: 0.85rem; right: 0.85rem; bottom: 0.3rem;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}
.nav-links a:hover::after{ transform: scaleX(1); }
.nav-links a[aria-current="page"]::after{ display: none; }

.btn{ transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn:hover{ transform: translateY(-2px); }
.btn-primary:hover{ box-shadow: 0 8px 20px rgba(28,110,99,0.28); }

.policy-stub{ transition: transform .3s ease, box-shadow .3s ease; }
.policy-stub:hover{ transform: rotate(0deg); box-shadow: 0 16px 32px rgba(22,35,61,0.12); }

.term-card{ transition: transform .18s ease, box-shadow .18s ease; }
.term-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-card); }

.value-card{ transition: transform .18s ease, box-shadow .18s ease; }
.value-card:hover{ transform: translateY(-3px); box-shadow: var(--shadow-card); }

.trust-item{ transition: transform .18s ease; }
.trust-item:hover{ transform: translateY(-3px); }

@media (prefers-reduced-motion: reduce){
  .reveal{ opacity: 1; transform: none; transition: none; }
}

.pillar-grid .reveal:nth-child(2){ transition-delay: .08s; }
.pillar-grid .reveal:nth-child(3){ transition-delay: .16s; }
.trust-strip .reveal:nth-child(2){ transition-delay: .08s; }
.trust-strip .reveal:nth-child(3){ transition-delay: .16s; }
.value-grid .reveal:nth-child(2){ transition-delay: .06s; }
.value-grid .reveal:nth-child(3){ transition-delay: .12s; }
.value-grid .reveal:nth-child(4){ transition-delay: .18s; }