/* ===================== DESIGN TOKENS ===================== */
:root{
  --paper-1:        #c9ad7d;   /* home */
  --paper-2:        #bfa274;   /* cv */
  --paper-3:        #c9ad7d;   /* science */
  --paper-4:        #b89a6d;   /* art */
  --paper-5:        #c9ad7d;   /* blog */
  --paper-6:        #a98a5f;   /* contact, deepest sheet */
  --card:           #e7d9b3;   /* note-card paper, lighter */
  --card-line:      rgba(44,33,24,.16);

  --ink:            #2b2118;
  --ink-soft:       #5b4a37;
  --ink-faint:      rgba(43,33,24,.55);

  --wax:            #9c3b2e;   /* sealing-wax red */
  --wax-dark:       #7c2c21;
  --sage:           #4f5d45;   /* botanical ink green, science accent */

  --shadow-soft:    rgba(43,33,24,.18);
  --shadow-hard:    rgba(43,33,24,.35);

  --font-display:   'Fraunces', Georgia, serif;
  --font-body:      'Literata', Georgia, serif;
  --font-mono:      'Special Elite', 'Courier New', monospace;

  --max-w:          960px;
  --edge:           clamp(1.5rem, 6vw, 5rem);
}

/* ===================== RESET / BASE ===================== */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  background:var(--paper-1);
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
h1,h2,h3{ font-family:var(--font-display); font-weight:600; margin:0; }
p{ margin:0 0 1em; }
::selection{ background:var(--wax); color:#f3e9d2; }

/* per-page paper tone, set via body class on each file */
body.page-home{     background:var(--paper-1); }
body.page-cv{        background:var(--paper-2); }
body.page-science{   background:var(--paper-3); }
body.page-art{       background:var(--paper-4); }
body.page-blog{      background:var(--paper-5); }
body.page-contact{   background:var(--paper-6); color:#f2e6c9; }

/* subtle paper grain overlay, fixed to viewport, present on every page */
.grain{
  position:fixed; inset:0; pointer-events:none; z-index:500;
  opacity:.05; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===================== NAV ===================== */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  display:flex; align-items:center; justify-content:space-between;
  padding:.9rem var(--edge);
  background:rgba(43,33,24,.92);
  box-shadow:0 2px 10px var(--shadow-hard);
}
.nav__mark{
  display:flex; align-items:center; gap:.6rem;
  text-decoration:none; color:#ecdfc0;
}
.seal{
  width:34px; height:34px; border-radius:50%; flex:none;
  background:radial-gradient(circle at 32% 28%, #c25a48, var(--wax) 45%, var(--wax-dark) 100%);
  box-shadow:0 2px 4px var(--shadow-hard), inset 0 -2px 3px rgba(0,0,0,.35), inset 0 2px 2px rgba(255,255,255,.15);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; font-size:.85rem;
  color:#f2ddc9;
}
.nav__mark span{ font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em; }

.nav__links{ display:flex; gap:1.6rem; list-style:none; margin:0; padding:0; }
.nav__links a{
  text-decoration:none; font-family:var(--font-mono);
  font-size:.78rem; letter-spacing:.08em; text-transform:uppercase;
  color:#d9c7a1; position:relative; padding-bottom:3px;
  transition:color .2s ease;
}
.nav__links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background:#ecdfc0; transition:right .25s ease;
}
.nav__links a:hover, .nav__links a.active{ color:#f3e9d2; }
.nav__links a:hover::after, .nav__links a.active::after{ right:0; }

.nav__toggle{ display:none; flex-direction:column; gap:4px; background:none; border:0; cursor:pointer; padding:6px; }
.nav__toggle span{ width:22px; height:2px; background:#ecdfc0; display:block; }

@media (max-width:760px){
  .nav__links{
    position:fixed; top:58px; left:0; right:0;
    flex-direction:column; gap:0;
    background:rgba(43,33,24,.97);
    max-height:0; overflow:hidden; transition:max-height .3s ease;
  }
  .nav__links.open{ max-height:400px; }
  .nav__links a{ padding:1rem var(--edge); border-bottom:1px solid rgba(255,255,255,.08); }
  .nav__links a::after{ display:none; }
  .nav__toggle{ display:flex; }
}

/* ===================== SECTION SHELL ===================== */
.sheet{ position:relative; min-height:100vh; padding:7.5rem var(--edge) 5rem; }
.sheet__inner{ max-width:var(--max-w); margin:0 auto; }
.eyebrow{
  display:flex; align-items:center; gap:.55rem;
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.14em;
  text-transform:uppercase; color:var(--ink-faint); margin-bottom:.9rem;
}
.eyebrow::before{ content:''; width:8px; height:8px; border-radius:50%; background:var(--wax); flex:none; }
.sheet h2{ font-size:clamp(1.9rem, 3.4vw, 2.6rem); margin-bottom:1.6rem; }

/* tear-off perforation divider, used above the footer on every page */
.tear{
  height:0; border-top:2px dashed rgba(43,33,24,.28);
  box-shadow:0 -6px 10px -6px var(--shadow-soft);
  margin:0 var(--edge);
}
body.page-contact .tear{ border-top-color:rgba(242,230,201,.28); box-shadow:none; }

/* ===================== HOME ===================== */
.hero{ max-width:var(--max-w); margin:0 auto; }
.hero__label{ font-family:var(--font-mono); font-size:.8rem; letter-spacing:.16em; text-transform:uppercase; color:var(--ink-faint); margin-bottom:1.1rem; }
.hero h1{ font-size:clamp(2.6rem, 7vw, 4.6rem); line-height:1.04; letter-spacing:-.01em; }
.hero h1 em{ font-style:italic; color:var(--wax); }
.hero p.lede{ font-size:1.15rem; max-width:34em; margin-top:1.4rem; color:var(--ink-soft); }
.hero__cta{ margin-top:2.2rem; display:flex; gap:1rem; flex-wrap:wrap; }
body.page-home .sheet{ display:flex; align-items:center; }

.btn{
  display:inline-block; font-family:var(--font-mono); font-size:.8rem;
  letter-spacing:.08em; text-transform:uppercase; text-decoration:none;
  padding:.85rem 1.5rem; border:1.5px solid var(--ink); color:var(--ink);
  transition:background .2s ease, color .2s ease; cursor:pointer;
  background:none;
}
.btn:hover{ background:var(--ink); color:var(--paper-1); }
.btn--solid{ background:var(--wax); border-color:var(--wax); color:#f3e9d2; }
.btn--solid:hover{ background:var(--wax-dark); color:#f3e9d2; }

/* ===================== CV ===================== */
.timeline{ display:grid; gap:2.6rem; grid-template-columns:1fr 1fr; }
@media (max-width:700px){ .timeline{ grid-template-columns:1fr; } }
.timeline__col h3{
  font-family:var(--font-mono); font-size:.85rem; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-soft); margin-bottom:1.2rem; padding-bottom:.6rem; border-bottom:1px solid var(--card-line);
}
.entry{ position:relative; padding-left:1.4rem; margin-bottom:1.6rem; }
.entry::before{ content:''; position:absolute; left:0; top:.4rem; width:8px; height:8px; border-radius:50%; background:var(--wax); }
.entry__meta{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; color:var(--ink-faint); text-transform:uppercase; }
.entry h4{ font-family:var(--font-display); font-weight:500; font-size:1.15rem; margin:.2rem 0 .3rem; }
.entry p{ margin:0; color:var(--ink-soft); font-size:.95rem; }

.skills{ margin-top:3rem; }
.skills h3{ font-family:var(--font-mono); font-size:.85rem; letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft); }
.skills__row{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top:.9rem; }
.tag{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.05em; padding:.35rem .7rem; border:1px solid var(--ink-faint); color:var(--ink-soft); }

/* ===================== SCIENCE ===================== */
.card-grid{ display:grid; gap:1.4rem; grid-template-columns:repeat(2,1fr); }
@media (max-width:700px){ .card-grid{ grid-template-columns:1fr; } }
.card{ background:var(--card); padding:1.6rem 1.5rem; border:1px solid var(--card-line); box-shadow:2px 3px 0 var(--shadow-soft); }
.card__tag{
  display:inline-block; font-family:var(--font-mono); font-size:.68rem; letter-spacing:.08em;
  text-transform:uppercase; color:#f3ece0; background:var(--sage); padding:.25rem .55rem; margin-bottom:.8rem;
}
.card__tag--wax{ background:var(--wax); }
.card h3{ font-size:1.15rem; font-weight:500; margin-bottom:.4rem; }
.card p{ color:var(--ink-soft); font-size:.94rem; margin-bottom:.7rem; }
.card a.readmore{ font-family:var(--font-mono); font-size:.75rem; letter-spacing:.05em; text-decoration:none; border-bottom:1px solid var(--ink); }

/* ===================== ART ===================== */
.subnav{ display:flex; gap:.7rem; flex-wrap:wrap; margin-bottom:3.2rem; }
.subnav a{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  text-decoration:none; padding:.5rem 1rem; border:1px solid var(--ink-faint); color:var(--ink-soft);
  transition:background .2s ease, color .2s ease;
}
.subnav a:hover{ background:var(--ink); color:var(--card); border-color:var(--ink); }

.art-section{ margin-bottom:4.5rem; scroll-margin-top:6rem; }
.art-section:last-child{ margin-bottom:0; }
.art-section__heading{ display:flex; align-items:baseline; gap:.7rem; margin-bottom:1.6rem; flex-wrap:wrap; }
.art-section__heading h3{ font-size:1.5rem; font-weight:500; }
.art-section__heading span{
  font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-faint);
}

.gallery{ display:grid; gap:1.6rem; grid-template-columns:repeat(3,1fr); }
@media (max-width:760px){ .gallery{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:480px){ .gallery{ grid-template-columns:1fr; } }
.art-frame{ background:var(--card); padding:.6rem .6rem 1rem; border:1px solid var(--card-line); box-shadow:3px 4px 0 var(--shadow-soft); transition:transform .25s ease; }
.art-frame:hover{ transform:translateY(-4px); }
.art-frame__surface{
  aspect-ratio:4/5; width:100%; margin-bottom:.7rem;
  background:
    repeating-linear-gradient(135deg, rgba(43,33,24,.06) 0 2px, transparent 2px 14px),
    linear-gradient(160deg, #d8c69a, #b99b6c);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:.7rem; letter-spacing:.05em;
  color:var(--ink-faint); text-align:center; padding:1rem;
}
.art-frame__caption{ font-family:var(--font-mono); font-size:.72rem; letter-spacing:.04em; color:var(--ink-soft); }
.art-frame__caption b{ display:block; font-family:var(--font-display); font-size:.98rem; font-weight:500; color:var(--ink); margin-bottom:.15rem; letter-spacing:0; }

/* ===================== BLOG ===================== */
.posts{ display:grid; gap:1.4rem; }
.post{ display:grid; grid-template-columns:110px 1fr; gap:1.3rem; padding:1.3rem 0; border-bottom:1px solid var(--card-line); }
@media (max-width:560px){ .post{ grid-template-columns:1fr; gap:.3rem; } }
.post__date{ font-family:var(--font-mono); font-size:.78rem; color:var(--ink-faint); padding-top:.2rem; }
.post h3{ font-size:1.2rem; font-weight:500; margin-bottom:.35rem; }
.post p{ color:var(--ink-soft); font-size:.95rem; margin-bottom:.4rem; }
.post a.readmore{ font-family:var(--font-mono); font-size:.75rem; letter-spacing:.05em; text-decoration:none; border-bottom:1px solid var(--ink); }

/* ===================== CONTACT ===================== */
body.page-contact .eyebrow{ color:rgba(242,230,201,.65); }
body.page-contact .eyebrow::before{ background:#e0a37f; }
body.page-contact h2{ color:#f6ecd4; }
body.page-contact p.lede{ color:rgba(242,230,201,.8); max-width:34em; margin-bottom:2rem; }

.contact-grid{ display:grid; grid-template-columns:1.1fr .9fr; gap:3rem; }
@media (max-width:760px){ .contact-grid{ grid-template-columns:1fr; } }

.field{ margin-bottom:1.2rem; }
.field label{ display:block; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; margin-bottom:.4rem; color:rgba(242,230,201,.75); }
.field input, .field textarea{
  width:100%; background:rgba(242,230,201,.06); border:1px solid rgba(242,230,201,.35);
  color:#f6ecd4; font-family:var(--font-body); font-size:.95rem; padding:.7rem .8rem; resize:vertical;
}
.field input::placeholder, .field textarea::placeholder{ color:rgba(242,230,201,.4); }
.field input:focus, .field textarea:focus{ outline:2px solid #e0a37f; outline-offset:1px; }

.contact-aside h3{ font-family:var(--font-mono); font-size:.8rem; letter-spacing:.1em; text-transform:uppercase; color:rgba(242,230,201,.65); margin-bottom:1rem; }
.contact-aside a{ display:block; text-decoration:none; color:#f6ecd4; font-size:1.05rem; padding:.55rem 0; border-bottom:1px dashed rgba(242,230,201,.25); }
.contact-aside a:hover{ color:#e0a37f; }

.btn--contact{ background:#e0a37f; border-color:#e0a37f; color:#2b2118; }
.btn--contact:hover{ background:#eab896; color:#2b2118; }

/* ===================== ARTICLE (single post) ===================== */
body.page-post{ background:var(--paper-5); }
.article{ max-width:680px; margin:0 auto; }
.back-link{
  display:inline-flex; align-items:center; gap:.4rem; text-decoration:none;
  font-family:var(--font-mono); font-size:.75rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--ink-soft); margin-bottom:2.4rem; padding-bottom:2px; border-bottom:1px solid transparent;
  transition:border-color .2s ease, color .2s ease;
}
.back-link:hover{ border-color:var(--ink-soft); color:var(--ink); }
.article__meta{
  font-family:var(--font-mono); font-size:.78rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--ink-faint); margin-bottom:.7rem;
}
.article h1{ font-size:clamp(2rem, 4.4vw, 2.9rem); line-height:1.12; margin-bottom:1.8rem; }
.article__body p{ font-size:1.06rem; line-height:1.75; color:var(--ink-soft); }
.article__body p:first-of-type::first-letter{
  font-family:var(--font-display); font-size:3.4rem; float:left; line-height:.8;
  padding:.1rem .5rem 0 0; color:var(--wax);
}
.article__body h2{ font-size:1.4rem; margin:2.2rem 0 1rem; color:var(--ink); }
.article__body blockquote{
  margin:1.8rem 0; padding-left:1.2rem; border-left:2px solid var(--wax);
  font-family:var(--font-display); font-style:italic; font-size:1.15rem; color:var(--ink-soft);
}

/* ===================== FOOTER ===================== */
footer{
  text-align:center; padding:2.6rem var(--edge) 3rem;
  color:var(--ink-faint); font-family:var(--font-mono); font-size:.72rem; letter-spacing:.05em;
}
body.page-contact footer{ color:rgba(242,230,201,.55); }

/* scroll-to-top wax seal */
.to-top{
  position:fixed; right:1.6rem; bottom:1.6rem; z-index:90;
  width:52px; height:52px; border-radius:50%; border:none; cursor:pointer;
  background:radial-gradient(circle at 32% 28%, #c25a48, var(--wax) 45%, var(--wax-dark) 100%);
  box-shadow:0 3px 8px var(--shadow-hard), inset 0 -2px 4px rgba(0,0,0,.35), inset 0 2px 3px rgba(255,255,255,.15);
  color:#f2ddc9; font-family:var(--font-display); font-weight:600; font-size:1rem;
  opacity:0; pointer-events:none; transform:translateY(8px) rotate(-6deg);
  transition:opacity .3s ease, transform .3s ease;
}
.to-top.show{ opacity:1; pointer-events:auto; transform:translateY(0) rotate(0deg); }
.to-top:hover{ transform:rotate(-8deg); }

/* fade-up reveal */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .reveal{ opacity:1; transform:none; transition:none; }
  .art-frame{ transition:none; }
}

/* visible keyboard focus, kept consistent site-wide */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--wax); outline-offset:2px;
}