/* ============================================================
   Unified Hatha Yoga site — shared stylesheet
   Clean, light, Oxford-adjacent.
   Source Serif 4 (headings/body) + Source Sans 3 (nav/labels).
   Self-hosted, full IAST coverage. Light theme only.
   ============================================================ */

/* ---- fonts: Oxford brand pair — Noto Serif (display) + Roboto (text/UI) ---- */
@font-face{font-family:"Noto Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/NotoSerif-400i-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Noto Serif";font-style:italic;font-weight:400;font-display:swap;src:url("fonts/NotoSerif-400i-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:"Noto Serif";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/NotoSerif-400-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Noto Serif";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/NotoSerif-400-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:"Noto Serif";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/NotoSerif-700-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Noto Serif";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/NotoSerif-700-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/Roboto-400-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/Roboto-400-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/Roboto-500-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/Roboto-500-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/Roboto-700-latin-ext.woff2") format("woff2");unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face{font-family:"Roboto";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/Roboto-700-latin.woff2") format("woff2");unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}

/* ---- tokens ---- */
:root{
  --font-serif:"Noto Serif",Georgia,"Times New Roman",serif;
  --font-sans:"Roboto",-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;

  --oxblue:#002147;        /* Oxford blue — the anchor */
  --oxblue-hover:#1a4a80;  /* lighter, for hover/active */

  --ink:#14181d;           /* cool near-black text */
  --ink-soft:#586471;      /* secondary text */
  --paper:#ffffff;         /* clean white ground */
  --paper-2:#f5f6f8;       /* faint cool panel */
  --rule:#e3e7ec;          /* hairlines */

  --measure:68ch;
  --gutter:clamp(20px,5vw,56px);
  --wrap:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-size:clamp(16.5px,.5vw + 15px,18px);
  line-height:1.62;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* ---- typography ---- */
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700;line-height:1.18;color:var(--ink);
  margin:1.7em 0 .5em;letter-spacing:-.005em}
h1{font-size:clamp(1.9rem,3.4vw,2.7rem);letter-spacing:-.015em;margin-top:0}
h2{font-size:clamp(1.4rem,2.2vw,1.85rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:var(--measure)}
a{color:var(--oxblue);text-decoration:underline;text-decoration-thickness:.055em;
  text-underline-offset:.16em;text-decoration-color:rgba(0,33,71,.32)}
a:hover{color:var(--oxblue-hover);text-decoration-color:currentColor}
ul,ol{margin:0 0 1em 1.3em;max-width:var(--measure)}
li{margin:.25em 0}
strong,b{font-weight:700}
blockquote{margin:1.3em 0;padding:.1em 0 .1em 1.15em;border-left:3px solid var(--oxblue);
  color:var(--ink);font-style:italic}
img{max-width:100%;height:auto;display:block}
figure{margin:1.7em 0}
figure img{border:1px solid var(--rule)}
figcaption{font-family:var(--font-sans);font-size:.85rem;color:var(--ink-soft);margin-top:.55em}
table{border-collapse:collapse;margin:1.5em 0;font-size:.96rem;width:100%;max-width:none}
th,td{border:0;border-bottom:1px solid var(--rule);padding:.6em .9em .6em 0;
  text-align:left;vertical-align:top}
th{font-weight:700}
tr:last-child td,tr:last-child th{border-bottom:0}

/* bibliography tables: year as a small label, citation flows */
.pub-list td:first-child{white-space:nowrap;width:1px;
  padding-right:1.6rem;padding-top:.75em;color:var(--ink-soft);
  font-family:var(--font-sans);font-size:.82rem;font-weight:500;letter-spacing:.02em}
.pub-list td{padding-top:.7em;padding-bottom:.7em}
/* person / section headers span to the left edge */
.pub-list th.pub-head{color:var(--oxblue);font-family:var(--font-serif);
  font-size:1.2rem;font-weight:700;padding:1.4em 0 .35em;
  border-bottom:1px solid var(--ink-soft)}
.pub-list tr:first-child th.pub-head{padding-top:.2em}
hr{border:0;border-top:1px solid var(--rule);margin:2.4em 0}
code{font-family:ui-monospace,Menlo,monospace;font-size:.9em;background:var(--paper-2);
  padding:.1em .35em;border-radius:3px}
:focus-visible{outline:2px solid var(--oxblue);outline-offset:2px}

/* ---- shell ---- */
.site-header{border-bottom:1px solid var(--rule);background:var(--paper);
  position:sticky;top:0;z-index:10}
.site-topbar{background:var(--oxblue)}
.site-topbar-inner{max-width:var(--wrap);margin:0 auto;padding:.42rem var(--gutter)}
.site-over{font-family:var(--font-sans);font-size:.72rem;font-weight:500;text-transform:uppercase;
  letter-spacing:.1em;color:#fff;text-decoration:none;line-height:1;display:inline-block}
.site-over::before{content:"\2190\00a0"}     /* ← back-to-landing cue */
.site-over:hover{color:rgba(255,255,255,.72)}
.site-header-inner{max-width:var(--wrap);margin:0 auto;padding:.85rem var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:1rem 1.5rem;flex-wrap:wrap}
.site-title{font-family:var(--font-serif);font-weight:700;font-size:1.25rem;
  color:var(--oxblue);text-decoration:none;letter-spacing:-.01em;white-space:nowrap;line-height:1.1}
.site-title:hover{color:var(--oxblue-hover)}
.site-nav{font-family:var(--font-sans);font-size:.8rem;font-weight:500;
  letter-spacing:.04em;text-transform:uppercase;
  display:flex;gap:1.1rem;flex-wrap:wrap;align-items:baseline}
.site-nav a{color:var(--ink-soft);text-decoration:none;padding-bottom:2px;
  border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--oxblue)}
.site-nav a[aria-current="page"]{color:var(--oxblue);border-bottom-color:var(--oxblue)}

.site-main{max-width:var(--wrap);margin:0 auto;padding:clamp(30px,5vw,60px) var(--gutter)}
.site-main.narrow{max-width:800px}
/* consistent gap between a leading banner image / hero and the first heading */
.site-main>:first-child{margin-top:0}
.site-main>img:first-child{margin-bottom:2.3rem}
.site-main>img:first-child+*,.site-main>.hero+*{margin-top:0}

.site-footer{background:var(--oxblue);font-family:var(--font-sans);font-size:.82rem;
  color:rgba(255,255,255,.82);margin-top:4rem}
.site-footer-inner{max-width:var(--wrap);margin:0 auto;padding:2.2rem var(--gutter);
  display:flex;gap:1.5rem;justify-content:space-between;flex-wrap:wrap}
.site-footer a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.4)}
.site-footer a:hover{text-decoration-color:#fff}

/* ---- digital-edition reader (header + full-height iframe) ---- */
body.reader-page{height:100vh;display:flex;flex-direction:column;overflow:hidden}
.reader-page .site-header{position:static}
.reader-frame{flex:1 1 auto;width:100%;border:0;display:block}

/* ---- photo gallery grid ---- */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(116px,1fr));
  gap:6px;margin:1.7em 0}
.gallery a{display:block;aspect-ratio:1;overflow:hidden;border:1px solid var(--rule);
  background:var(--paper-2)}
.gallery a img{width:100%;height:100%;object-fit:cover;margin:0;display:block;
  transition:transform .3s ease}
.gallery a:hover img{transform:scale(1.06)}

/* ---- gallery index: field-site cards ---- */
.galindex{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));
  gap:1rem;margin:1.7em 0}
.galcard{display:block;text-decoration:none;border:1px solid var(--rule);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease}
.galcard:hover{border-color:var(--oxblue);box-shadow:0 6px 20px -14px rgba(0,33,71,.55)}
.galcard-img{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.galcard-img img{width:100%;height:100%;object-fit:cover;margin:0;display:block;
  transition:transform .4s ease}
.galcard:hover .galcard-img img{transform:scale(1.05)}
.galcard-label{display:block;padding:.7rem .95rem;font-family:var(--font-serif);
  font-weight:700;font-size:1.05rem;color:var(--oxblue)}

/* ---- book page: floated cover + order button ---- */
.book-aside{float:left;width:min(240px,42%);margin:.2rem 1.9rem 1.2rem 0}
.book-aside img.book-cover{width:100%;margin:0}
.book-aside a.btn{display:block;text-align:center;width:100%;margin:.9rem 0 0}
.book-title{font-size:clamp(1.7rem,3vw,2.2rem);margin:0 0 .5rem}
.book-byline{font-family:var(--font-sans);font-weight:400;font-size:1rem;
  color:var(--ink-soft);margin:0 0 1.1rem;max-width:none}
.book-lead{font-family:var(--font-serif);font-weight:400;font-size:1.18rem;line-height:1.45;
  margin:0 0 1.3rem;max-width:none}
a.btn{display:inline-block;background:var(--oxblue);color:#fff;text-decoration:none;
  font-family:var(--font-sans);font-weight:700;font-size:.82rem;text-transform:uppercase;
  letter-spacing:.05em;padding:.75em 1.6em;margin:.4em 0;border-radius:2px}
a.btn:hover{background:var(--oxblue-hover);color:#fff}

/* ---- home hero: CSS-only crossfade slideshow ---- */
.hero{position:relative;width:100%;aspect-ratio:16/6.6;overflow:hidden;
  border:1px solid var(--rule);margin:0 0 2.3rem;background:var(--paper-2)}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;animation:heroFade 30s infinite}
.hero img:first-child{opacity:1}
.hero img:nth-child(1){animation-delay:0s}
.hero img:nth-child(2){animation-delay:6s}
.hero img:nth-child(3){animation-delay:12s}
.hero img:nth-child(4){animation-delay:18s}
.hero img:nth-child(5){animation-delay:24s}
@keyframes heroFade{0%{opacity:0}2%{opacity:1}18%{opacity:1}22%{opacity:0}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){
  .hero img{animation:none;opacity:0}
  .hero img:first-child{opacity:1}
}

/* ---- team member cards ---- */
.member{display:flex;gap:1.6rem;padding:1.7rem 0;border-top:1px solid var(--rule);
  align-items:flex-start}
.member:first-of-type{border-top:0;padding-top:.5rem}
.member-photo{flex:0 0 auto;width:150px;height:190px;object-fit:cover;object-position:top center;
  border:1px solid var(--rule);background:var(--paper-2)}
.member-body{flex:1 1 0;min-width:0}
.member-body>*{max-width:none}
.member-name{margin:0 0 .1rem;font-size:1.2rem;line-height:1.2}
.member-role{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.1em;
  font-size:.7rem;font-weight:700;color:var(--oxblue);margin:0 0 .75rem}
.member-body p{margin:0 0 .7rem}
.member-body p:last-child{margin-bottom:0}
@media (max-width:640px){
  .member{gap:1.1rem}
  .member-photo{width:104px;height:132px}
}

/* ---- contact block ---- */
.contact-lead{font-size:1.15rem;margin:1.4em 0 .6em}
.contact-lead a{font-weight:400}
.contact-affil{font-family:var(--font-sans);font-size:.8rem;font-weight:500;
  letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);margin:0}

/* ---- blog post list ---- */
.post{display:flex;gap:1.6rem;padding:1.8rem 0;border-top:1px solid var(--rule);
  align-items:flex-start}
.post:first-of-type{border-top:0;padding-top:.3rem}
.post-thumb{flex:0 0 auto;width:210px;aspect-ratio:320/202;overflow:hidden;
  border:1px solid var(--rule);display:block;background:var(--paper-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;margin:0;display:block;
  transition:transform .3s ease}
.post-thumb:hover img{transform:scale(1.05)}
.post-body{flex:1 1 0;min-width:0}
.post-body>*{max-width:none}
.post-title{margin:0 0 .25rem;font-size:1.35rem}
.post-title a{color:var(--oxblue);text-decoration:none}
.post-title a:hover{color:var(--oxblue-hover);text-decoration:underline}
.post-meta{font-family:var(--font-sans);font-size:.8rem;color:var(--ink-soft);margin:0 0 .7rem}
.post-body p{margin:0 0 .85rem}
.post-more{font-family:var(--font-sans);font-size:.78rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.06em;color:var(--oxblue);text-decoration:none}
.post-more:hover{text-decoration:underline}
@media (max-width:640px){.post{flex-direction:column;gap:.9rem}.post-thumb{width:100%;max-width:320px}}

/* ---- institution / source list (libraries page) ---- */
.inst-list{list-style:none;margin:.6em 0 2em;padding:0;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:.45em 2.2rem}
.inst-list li{position:relative;padding-left:1.1em;font-size:.97em;line-height:1.4;
  max-width:none}
.inst-list li::before{content:"";position:absolute;left:0;top:.6em;width:5px;height:5px;
  border-radius:50%;background:var(--oxblue)}

/* ---- eyebrow / small-caps label ---- */
.eyebrow{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.12em;
  font-size:.72rem;font-weight:700;color:var(--oxblue);margin-bottom:.6rem}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}