/* ── TOKENS — warm botanical, matches animal health family ──────────────── */
:root {
  --void:     #060C08;
  --surface:  #0A140C;
  --edge:     #162018;
  --text:     #D0E8D4;
  --body:     #7A9878;
  --muted:    #3A5444;
  --sub:      #5E8070;
  --signal:   #7EC8A0;
  --sig-deep: #081A0E;
  --sig-mid:  #2A6040;
  --sig-light:#0E2018;
}

/* ── RESET ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 68px; }
body { background: var(--void); color: var(--text); min-height: 100vh; font-family: 'IBM Plex Sans', sans-serif; }
::-webkit-scrollbar { width: 2px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb { background: var(--edge); border-radius: 2px; }
::selection { background: var(--sig-deep); color: var(--signal); }

/* ── UTILITY ─────────────────────────────────────────────────────────────── */
.text-signal { color: var(--signal); }
.text-muted  { color: var(--body); font-weight: 300; }
em           { font-style: italic; }

/* ── FADE ────────────────────────────────────────────────────────────────── */
.fade,
.track       { opacity: 0; transform: translateY(18px); transition: opacity 1.1s ease, transform 1.1s ease; }
.fade.visible,
.track.visible { opacity: 1; transform: none; }

/* ── ANIMATIONS ──────────────────────────────────────────────────────────── */
@keyframes slideUp { from { opacity:0; transform:translateY(22px); } to { opacity:1; transform:none; } }
@keyframes appear  { from { opacity:0; } to { opacity:1; } }

.hero-in { animation: slideUp 1s ease 0.3s both; }
.arr     { animation: appear 1.6s ease 2s both; }

/* ── NAV ─────────────────────────────────────────────────────────────────── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 52px; padding: 0 clamp(24px, 5vw, 64px);
  display: flex; align-items: center; justify-content: space-between;

  border-bottom: 1px solid transparent;
  transition: background 0.4s, border-color 0.4s, backdrop-filter 0.4s;
}
#nav.scrolled {
  background: rgba(6,12,8,0.93);
  backdrop-filter: blur(14px);
  border-color: var(--edge);
}
body.light #nav.scrolled {
  background: rgba(245,248,244,0.94);
}

.nav-wordmark, .nav-link {
  background: none; border: none; cursor: pointer;
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.18em; color: var(--muted); transition: color 0.25s;
}
.nav-wordmark { font-size: 11px; font-style: italic; font-family: 'Spectral', serif; letter-spacing: 0.05em; }
.nav-link     { font-size: 9px; letter-spacing: 0.18em; font-family: 'IBM Plex Mono', monospace; }
.nav-wordmark:hover, .nav-link:hover { color: var(--text); }

/* ── HERO ────────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; flex-direction: column;
  justify-content: center;
  padding: 52px clamp(24px, 6vw, 72px) 60px;
  position: relative; max-width: 960px; margin: 0 auto;
}
.hero-content { max-width: 720px; }

.eyebrow {
  display: block; font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 36px;
}
h1 {
  font-family: 'Spectral', serif; font-weight: 300; line-height: 1.1;
  letter-spacing: -0.02em; margin-bottom: 32px;
  font-size: clamp(36px, 6vw, 72px); color: var(--text);
}
.hero-sub {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(15px, 1.5vw, 17px); line-height: 1.85;
  color: var(--body); max-width: 580px;
}
.hero-arrow {
  position: absolute; bottom: 36px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; letter-spacing: 0.14em; color: var(--muted); opacity: 0.45;
}

/* ── LAYOUT ──────────────────────────────────────────────────────────────── */
.section         { padding: clamp(72px, 10vw, 120px) clamp(24px, 6vw, 72px); }
.section-inner   { padding-top: 0; }
.section-contact { padding-bottom: clamp(80px, 12vw, 160px); }
.wrap            { max-width: 760px; margin: 0 auto; }
.wrap-wide       { max-width: 960px; margin: 0 auto; }

/* ── SECTION RULE ────────────────────────────────────────────────────────── */
.section-rule {
  width: 32px; height: 1px; background: var(--signal); opacity: 0.4;
  margin: 0 auto clamp(64px, 9vw, 120px);
}

/* ── MARKER ──────────────────────────────────────────────────────────────── */
.marker {
  display: block; font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 28px;
}

/* ── HEADINGS ────────────────────────────────────────────────────────────── */
h2 {
  font-family: 'Spectral', serif; font-size: clamp(24px, 3vw, 38px);
  font-weight: 300; line-height: 1.2; letter-spacing: -0.015em;
  color: var(--text); margin-bottom: 36px;
}

/* ── PARAGRAPHS ──────────────────────────────────────────────────────────── */
p {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(15px, 1.4vw, 17px); line-height: 1.9;
  color: var(--body); margin-bottom: 22px;
}
p:last-child { margin-bottom: 0; }
.closing-italic {
  font-family: 'Spectral', serif; font-style: italic;
  font-size: clamp(15px, 1.5vw, 17px); line-height: 1.7; color: var(--text);
}
.inline-link {
  color: var(--signal); text-decoration: none;
  border-bottom: 1px solid var(--sig-mid); transition: border-color 0.2s;
}
.inline-link:hover { border-color: var(--signal); }

/* ── TRACKS ──────────────────────────────────────────────────────────────── */
.track {
  display: grid;
  grid-template-columns: clamp(160px, 22%, 220px) 1px 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--edge); align-items: start;
}
.track-left    { padding-top: 2px; }
.track-divider { width: 1px; background: var(--edge); align-self: stretch; }
.track-num   { font-family: 'IBM Plex Mono', monospace; font-size: 9px; letter-spacing: 0.2em; color: var(--signal); margin-bottom: 10px; }
.track-label { font-family: 'Spectral', serif; font-style: italic; font-size: clamp(13px, 1.4vw, 16px); color: var(--body); line-height: 1.4; }
.track-right h3 { font-family: 'Spectral', serif; font-size: clamp(17px, 1.8vw, 21px); font-weight: 400; color: var(--text); line-height: 1.3; margin-bottom: 14px; }
.track-right p  { font-size: 14px; margin-bottom: 0; }
@media (max-width: 620px) { .track { grid-template-columns: 1fr; } .track-divider { display: none; } }

/* ── CONTACT ─────────────────────────────────────────────────────────────── */
.email-cta {
  font-family: 'Spectral', serif; font-size: clamp(18px, 2.5vw, 28px);
  font-weight: 300; color: var(--text); text-decoration: none;
  border-bottom: 1px solid var(--edge); padding-bottom: 5px;
  display: inline-block; transition: color 0.3s, border-color 0.3s;
}
.email-cta:hover { color: var(--signal); border-color: var(--signal); }

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--edge); }
.footer-inner {
  max-width: 960px; margin: 0 auto;
  padding: clamp(36px, 5vw, 56px) clamp(24px, 6vw, 72px);
  display: flex; flex-wrap: wrap;
  justify-content: space-between; align-items: flex-end; gap: 24px;
}
.footer-wordmark { font-family: 'Spectral', serif; font-size: 14px; font-style: italic; color: var(--text); margin-bottom: 6px; letter-spacing: 0.02em; }
.footer-desc     { font-family: 'IBM Plex Sans', sans-serif; font-size: 12px; color: var(--muted); line-height: 1.7; }
.footer-link     { color: var(--signal); text-decoration: none; border-bottom: 1px solid var(--sig-light); transition: border-color 0.2s; }
.footer-link:hover { border-color: var(--signal); }
.footer-tagline  { font-family: 'Spectral', serif; font-size: 13px; font-style: italic; color: var(--muted); text-align: right; line-height: 1.9; }

/* ── LIGHT MODE ──────────────────────────────────────────────────────────── */
body { transition: background 0.5s ease, color 0.4s ease; }
body.light {
  --void:     #F5F8F4;
  --surface:  #EBF2E8;
  --edge:     #C8DAC0;
  --text:     #161A14;
  --body:     #4A6848;
  --sub:      #3A5838;
  --muted:    #6A8868;
  --signal:   #2E7050;
  --sig-deep: #E0F5E8;
  --sig-mid:  #1A5038;
  --sig-light:#E8F5E0;
}
body.light ::-webkit-scrollbar-track { background: #F5F8F4; }
body.light ::-webkit-scrollbar-thumb { background: #C8DAC0; }
body.light ::selection { background: #E0F5E8; color: #2E7050; }
body.light .track { border-color: #C8DAC0; }
body.light .track-divider { background: #C8DAC0; }
body.light footer { border-color: #C8DAC0; }
.theme-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  background: transparent;
  border: 1px solid var(--edge);
  border-radius: 50%;
  cursor: pointer;
  color: var(--muted);
  margin-left: 16px;
  flex-shrink: 0;
  transition: border-color 0.25s, color 0.25s;
}
.theme-toggle:hover { border-color: var(--muted); color: var(--text); }
.theme-toggle svg {
  width: 13px; height: 13px;
  stroke: currentColor; fill: none; stroke-width: 1.5;
  stroke-linecap: round; stroke-linejoin: round;
}
.icon-sun  { display: none;  }
.icon-moon { display: block; }
body.light .icon-sun  { display: block; }
body.light .icon-moon { display: none;  }


/* ══════════════════════════════════════════════════════════════
   EXTENDED STYLES — merged m-institute full site
   ══════════════════════════════════════════════════════════════ */

/* ── NAV RIGHT ────────────────────────────────────────────────────────────── */
.nav-right { display: flex; align-items: center; gap: 20px; }


/* ── ATLAS SECTION ────────────────────────────────────────────────────────── */
.atlas-intro {
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--body); line-height: 1.85;
  max-width: 680px; margin-bottom: 48px;
}
.atlas-note {
  font-family: 'Spectral', serif; font-style: italic;
  font-size: clamp(14px, 1.3vw, 16px); color: var(--body);
  line-height: 1.7; text-align: center; margin-top: 32px;
  max-width: 640px; margin-left: auto; margin-right: auto;
}


/* ── CATEGORY GRID — 6 cards ─────────────────────────────────────────────── */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--muted);
  border: 1px solid var(--muted);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 32px;
}
.cat-card {
  background: var(--surface);
  padding: 28px 24px;
  transition: background 0.2s;
}
.cat-card:hover { background: var(--edge); }
body.light .cat-card { background: #EBF2E8; }
body.light .cat-card:hover { background: #DCE9D8; }
.cat-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 12px; display: block;
}
.cat-card p {
  font-size: 13px; line-height: 1.8; color: var(--body); margin-bottom: 0;
}


/* ── ACTIVE PROGRAMMES ────────────────────────────────────────────────────── */
.prog-list { display: flex; flex-direction: column; }
.prog-item {
  border-top: 1px solid var(--edge);
  padding: clamp(24px, 4vw, 40px) 0;
  opacity: 0; transform: translateY(14px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.prog-item.visible { opacity: 1; transform: none; }
.prog-item:last-child { border-bottom: 1px solid var(--edge); }
body.light .prog-item { border-color: #C8DAC0; }
body.light .prog-item:last-child { border-color: #C8DAC0; }
.prog-header {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 20px; flex-wrap: wrap;
  margin-bottom: 16px;
}
.prog-left { display: flex; flex-direction: column; gap: 8px; }
.prog-status {
  display: inline-block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 2px; align-self: flex-start;
}
.prog-status.active {
  color: var(--signal);
  background: var(--sig-deep);
  border: 1px solid var(--sig-light);
}
.prog-status.preparation {
  color: #7EC8CC;
  background: rgba(126,200,204,0.1);
  border: 1px solid rgba(126,200,204,0.2);
}
.prog-status.feasibility {
  color: #C8A87A;
  background: rgba(200,168,122,0.1);
  border: 1px solid rgba(200,168,122,0.2);
}
body.light .prog-status.preparation {
  color: #1A6070; background: rgba(26,96,112,0.08); border-color: rgba(26,96,112,0.2);
}
body.light .prog-status.feasibility {
  color: #8B6914; background: rgba(139,105,20,0.08); border-color: rgba(139,105,20,0.2);
}
.prog-name {
  font-family: 'Spectral', serif;
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--text); line-height: 1.2;
}
.prog-partner {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.08em;
  color: var(--muted); align-self: flex-start; padding-top: 4px;
}
.prog-item > p {
  font-size: 14px; line-height: 1.85;
  color: var(--body); max-width: 720px; margin-bottom: 0;
}


/* ── FOOTER LINKS COL ─────────────────────────────────────────────────────── */
.footer-links-col { display: flex; flex-direction: column; gap: 8px; }
.footer-nav-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.25s;
}
.footer-nav-link:hover { color: var(--signal); }


/* ── RESPONSIVE ADDITIONS ─────────────────────────────────────────────────── */
@media (max-width: 960px) {
  .cat-grid { grid-template-columns: 1fr 1fr; }
  .prog-header { flex-direction: column; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-tagline { text-align: left; }
}
@media (max-width: 620px) {
  .cat-grid { grid-template-columns: 1fr; }
  .nav-right { gap: 12px; }
}