/* ═══════════════════════════════════════════════════════════════
   HABITUSMATCH — Unified Design System v2.0
   Warm Academic · Bourdieusean Palette · Light Theme
   ═══════════════════════════════════════════════════════════════ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500;1,600&family=Inter:wght@300;400;500;600&family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;1,300;1,400&display=swap');

/* ── TOKENS ── */
:root {
  --color-paper:        #F4EFE6;
  --color-paper-light:  #FAF7F0;
  --color-archive:      #E8DFD1;
  --color-border:       #DED6C8;
  --color-line:         #A8A29A;
  --color-ink:          #162033;
  --color-text:         #242424;
  --color-muted:        #6E6A63;

  --color-bordeaux:     #7A263A;
  --color-bordeaux-l:   rgba(122,38,58,.09);
  --color-bordeaux-b:   rgba(122,38,58,.28);
  --color-violet:       #6E5A7C;
  --color-violet-l:     rgba(110,90,124,.09);
  --color-violet-b:     rgba(110,90,124,.28);
  --color-ochre:        #C49A4A;
  --color-ochre-l:      rgba(196,154,74,.1);
  --color-ochre-b:      rgba(196,154,74,.32);
  --color-olive:        #6F735E;
  --color-olive-l:      rgba(111,115,94,.09);
  --color-spotify:      #3E7C59;
  --color-spotify-l:    rgba(62,124,89,.09);
  --color-spotify-b:    rgba(62,124,89,.28);

  --font-heading: 'Cormorant Garamond', Georgia, serif;
  --font-body:    'Inter', Arial, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --r-xs: 4px; --r-sm: 6px; --r-md: 10px; --r-card: 12px;
  --r-panel: 16px; --r-pill: 999px;

  --shadow-subtle: 0 8px 24px rgba(22,32,51,.05);
  --shadow-panel:  0 16px 48px rgba(22,32,51,.07);

  --sp-xs:4px; --sp-sm:8px; --sp-md:16px; --sp-lg:24px;
  --sp-xl:40px; --sp-xxl:72px;
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { overflow-x: hidden; }

body {
  background: var(--color-paper);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Paper grain */
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: .55;
}

/* ── NAVIGATION ── */
.sitenav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(244,239,230,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 32px; height: 56px;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; box-sizing: border-box;
}
.nav-logo {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600;
  letter-spacing: -0.02em; text-decoration: none; color: var(--color-ink);
}
.nav-logo .wa { color: var(--color-bordeaux); font-style: italic; }
.nav-logo .sep { color: var(--color-line); font-weight: 300; margin: 0 6px; font-family: var(--font-body); font-size: .9rem; }
.nav-logo .wb { color: var(--color-violet); }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-link {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-muted); text-decoration: none; transition: color .15s;
}
.nav-link:hover { color: var(--color-ink); }
.nav-back { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); text-decoration: none; transition: color .15s; }
.nav-back:hover { color: var(--color-ink); }

/* ── AD SLOTS ── */
.ad-strip {
  background: var(--color-archive); border-bottom: 1px solid var(--color-border);
  padding: 8px 32px; text-align: center;
}
.ad-label {
  font-family: var(--font-mono); font-size: 8px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--color-line); display: block; margin-bottom: 3px;
}
.ad-slot-728 {
  min-height: 90px; max-width: 728px; margin: 0 auto;
  border: 1px dashed var(--color-border); display: flex; align-items: center;
  justify-content: center; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-line); border-radius: var(--r-sm);
}
.ad-slot-300 {
  min-height: 250px; max-width: 300px; margin: 0 auto;
  border: 1px dashed var(--color-border); display: flex; align-items: center;
  justify-content: center; font-family: var(--font-mono); font-size: 10px;
  color: var(--color-line); border-radius: var(--r-sm);
}
.ad-inline {
  text-align: center; padding: 12px 0; margin: 32px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

/* Native ad */
.native-ad {
  border: 1px solid var(--color-border); border-left: 3px solid var(--color-ochre);
  padding: 16px 20px; margin: 28px 0; background: var(--color-ochre-l);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.na-badge { font-family: var(--font-mono); font-size: 8px; letter-spacing: .18em; text-transform: uppercase; color: var(--color-ochre); display: block; margin-bottom: 5px; }
.na-title { font-family: var(--font-heading); font-size: 1.05rem; font-weight: 600; color: var(--color-ink); margin-bottom: 3px; }
.na-body  { font-family: var(--font-body); font-size: 12px; color: var(--color-muted); line-height: 1.6; }
.na-cta   { display: inline-block; margin-top: 8px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--color-ochre); text-decoration: none; border-bottom: 1px solid var(--color-ochre-b); }

/* ── BOURDIEU WIDGET ── */
.bourdieu-widget {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.bourdieu-widget .b-caption {
  font-family: var(--font-mono); font-size: 8px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--color-line); text-align: center;
}

/* ── PAGE LAYOUT ── */
.wrap { max-width: 760px; margin: 0 auto; padding: 56px 32px 80px; position: relative; z-index: 1; }
.wrap-wide { max-width: 1100px; margin: 0 auto; padding: 56px 32px 80px; position: relative; z-index: 1; }

.page-eyebrow { font-family: var(--font-mono); font-size: 10px; letter-spacing: .3em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 14px; }
.page-title {
  font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 600; line-height: 1.05; letter-spacing: -0.02em;
  margin-bottom: 36px; padding-bottom: 20px; border-bottom: 2px solid var(--color-ink);
  color: var(--color-ink);
}
.page-title em { color: var(--color-bordeaux); font-style: italic; }
.page-lead { font-family: var(--font-body); font-size: 1.05rem; color: var(--color-muted); line-height: 1.75; margin-bottom: 40px; max-width: 640px; }

/* ── TYPOGRAPHY ── */
h1 { font-family: var(--font-heading); font-size: clamp(2rem,5vw,3rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 8px; color: var(--color-ink); }
h1 em { font-style: italic; color: var(--color-bordeaux); }
h2 { font-family: var(--font-heading); font-size: 1.55rem; font-weight: 600; color: var(--color-ink); margin: 44px 0 12px; line-height: 1.2; border-bottom: 1px solid var(--color-border); padding-bottom: 8px; }
h3 { font-family: var(--font-mono); font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--color-violet); margin: 28px 0 8px; font-weight: 500; }
p  { font-family: var(--font-body); font-size: 1rem; color: var(--color-text); line-height: 1.75; margin-bottom: 16px; }
ul, ol { margin: 12px 0 16px 22px; }
li { font-family: var(--font-body); font-size: 1rem; color: var(--color-text); margin-bottom: 8px; line-height: 1.65; }
a  { color: var(--color-spotify); text-decoration: none; transition: opacity .15s; }
a:hover { text-decoration: underline; opacity: .8; }
code { font-family: var(--font-mono); font-size: .88em; background: var(--color-archive); padding: 2px 6px; border-radius: var(--r-xs); color: var(--color-bordeaux); }
blockquote { border-left: 3px solid var(--color-ochre); padding: 12px 20px; margin: 24px 0; background: var(--color-ochre-l); font-family: var(--font-heading); font-style: italic; font-size: 1.1rem; color: var(--color-ink); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
blockquote cite { display: block; margin-top: 8px; font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-muted); font-style: normal; }

/* ── BOXES ── */
.box { padding: 16px 20px; margin: 20px 0; border-left: 3px solid; border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.box.g { border-color: var(--color-ochre); background: var(--color-ochre-l); }
.box.t { border-color: var(--color-spotify); background: var(--color-spotify-l); }
.box.c { border-color: var(--color-bordeaux); background: var(--color-bordeaux-l); }
.box.v { border-color: var(--color-violet); background: var(--color-violet-l); }
.box h4 { font-family: var(--font-mono); font-size: 10px; letter-spacing: .15em; text-transform: uppercase; margin-bottom: 6px; }
.box.g h4 { color: var(--color-ochre); }
.box.t h4 { color: var(--color-spotify); }
.box.c h4 { color: var(--color-bordeaux); }
.box.v h4 { color: var(--color-violet); }
.box p { font-size: .9rem; margin: 0; }

/* ── CARDS ── */
.card { background: var(--color-paper-light); border: 1px solid var(--color-border); border-radius: var(--r-card); box-shadow: var(--shadow-subtle); padding: 24px; }
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 24px 0; }

/* Theory cards */
.theory-card {
  background: var(--color-paper-light); border: 1px solid var(--color-border);
  border-radius: var(--r-card); box-shadow: var(--shadow-subtle);
  padding: 24px; text-decoration: none; display: block; transition: all .2s;
  border-top: 3px solid var(--color-violet);
}
.theory-card:hover { box-shadow: var(--shadow-panel); transform: translateY(-2px); text-decoration: none; }
.theory-card .tc-label { font-family: var(--font-mono); font-size: 9px; letter-spacing: .18em; text-transform: uppercase; color: var(--color-violet); margin-bottom: 8px; }
.theory-card .tc-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 600; color: var(--color-ink); margin-bottom: 6px; line-height: 1.2; }
.theory-card .tc-author { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); margin-bottom: 10px; }
.theory-card .tc-desc { font-family: var(--font-body); font-size: 13px; color: var(--color-muted); line-height: 1.6; }
.theory-card.bordeaux { border-top-color: var(--color-bordeaux); }
.theory-card.bordeaux .tc-label { color: var(--color-bordeaux); }
.theory-card.ochre { border-top-color: var(--color-ochre); }
.theory-card.ochre .tc-label { color: var(--color-ochre); }
.theory-card.spotify { border-top-color: var(--color-spotify); }
.theory-card.spotify .tc-label { color: var(--color-spotify); }

/* ── BUTTONS ── */
.btn-primary { padding: 12px 20px; background: var(--color-ink); border: 1px solid var(--color-ink); color: var(--color-paper); font-family: var(--font-body); font-size: 13px; font-weight: 600; cursor: pointer; border-radius: var(--r-sm); transition: background .15s; display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.btn-primary:hover { background: #1E3050; text-decoration: none; }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-secondary { padding: 10px 20px; background: none; border: 1px solid var(--color-border); color: var(--color-muted); font-family: var(--font-body); font-size: 13px; cursor: pointer; border-radius: var(--r-sm); transition: all .15s; text-decoration: none; display: inline-block; }
.btn-secondary:hover { border-color: var(--color-line); color: var(--color-ink); background: var(--color-archive); text-decoration: none; }
.btn-back-link { font-family: var(--font-mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 32px; transition: color .15s; }
.btn-back-link:hover { color: var(--color-ink); text-decoration: none; }

/* ── FORM ── */
.inp { width: 100%; background: var(--color-paper-light); border: 1px solid var(--color-border); color: var(--color-ink); padding: 10px 14px; font-family: var(--font-mono); font-size: 11px; outline: none; border-radius: var(--r-sm); transition: border-color .15s; }
.inp:focus { border-color: var(--color-violet); background: var(--color-paper); }
.inp::placeholder { color: var(--color-line); font-style: italic; }
textarea.inp { min-height: 140px; resize: vertical; line-height: 1.5; }

/* ── UTILITIES ── */
.divider { border: none; border-top: 1px solid var(--color-border); margin: 32px 0; }
.badge { display: inline-block; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; padding: 3px 10px; border: 1px solid var(--color-border); color: var(--color-muted); border-radius: var(--r-pill); background: var(--color-paper-light); }
.badge.b { border-color: var(--color-bordeaux-b); color: var(--color-bordeaux); background: var(--color-bordeaux-l); }
.badge.v { border-color: var(--color-violet-b); color: var(--color-violet); background: var(--color-violet-l); }
.badge.o { border-color: var(--color-ochre-b); color: var(--color-ochre); background: var(--color-ochre-l); }
.badge.g { border-color: var(--color-spotify-b); color: var(--color-spotify); background: var(--color-spotify-l); }
.tag-list { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0; }
.last-updated { font-family: var(--font-mono); font-size: 10px; color: var(--color-muted); margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--color-border); }

/* Contact grid */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 16px 0; }
.contact-item { background: var(--color-archive); border: 1px solid var(--color-border); padding: 13px 16px; border-radius: var(--r-sm); }
.contact-label { font-family: var(--font-mono); font-size: 8px; letter-spacing: .2em; text-transform: uppercase; color: var(--color-muted); margin-bottom: 4px; }
.contact-val { font-family: var(--font-body); font-size: 13px; color: var(--color-ink); }

/* ── FOOTER ── */
footer { background: var(--color-ink); color: rgba(250,247,240,.55); padding: 48px 32px 32px; position: relative; z-index: 1; width: 100%; box-sizing: border-box; }
.footer-inner { max-width: 1240px; margin: 0 auto; }
.footer-ad { text-align: center; margin-bottom: 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 32px; }
.footer-brand { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 600; margin-bottom: 10px; }
.footer-brand .wa { color: var(--color-ochre); font-style: italic; }
.footer-brand .wb { color: rgba(110,90,124,.8); }
.footer-desc { font-family: var(--font-body); font-size: 13px; line-height: 1.7; color: rgba(250,247,240,.38); }
.footer-col h4 { font-family: var(--font-mono); font-size: 9px; letter-spacing: .22em; text-transform: uppercase; color: rgba(250,247,240,.35); margin-bottom: 14px; padding-bottom: 7px; border-bottom: 1px solid rgba(250,247,240,.1); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col a { font-family: var(--font-body); font-size: 13px; color: rgba(250,247,240,.45); text-decoration: none; transition: color .15s; }
.footer-col a:hover { color: rgba(250,247,240,.9); text-decoration: none; }
.footer-bottom { padding-top: 20px; border-top: 1px solid rgba(250,247,240,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; color: rgba(250,247,240,.25); }

/* ── RESPONSIVE ── */
@media (max-width: 760px) {
  .sitenav { padding: 0 16px; }
  .wrap, .wrap-wide { padding: 40px 16px 60px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .contact-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 12px; }
  .nav-link { font-size: 9px; }
  h2 { font-size: 1.25rem; }
  .card-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .sitenav { height: 50px; }
  .nav-logo { font-size: 1rem; }
  h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
}