/* ============================================
   ANTAEUS RESEARCH GROUP — DESIGN TOKENS
   ============================================ */
:root{
  --navy-deep:   #071523;
  --navy:        #0b1f33;
  --navy-panel:  #12293f;
  --navy-panel-2:#173349;
  --line:        rgba(245,247,250,0.10);
  --line-strong: rgba(245,247,250,0.18);

  --teal:        #2dd4bf;
  --teal-soft:   #9be7dc;
  --teal-dim:    #1a8f80;
  --teal-glow:   rgba(45,212,191,0.18);

  --amber:       #f0b429;
  --coral:       #ef6f6c;

  --white:       #f5f7fa;
  --slate:       #93a6b8;
  --slate-dim:   #5f7387;

  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *, *::before, *::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

body{
  margin:0;
  background:var(--navy);
  color:var(--white);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

a{ color:inherit; text-decoration:none; }

h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  line-height:1.12;
  margin:0 0 0.5em 0;
  letter-spacing:-0.01em;
}

p{ margin:0 0 1em 0; color:var(--slate); }

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.16em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--teal);
  display:inline-block;
}

::selection{ background:var(--teal); color:var(--navy-deep); }

/* focus visibility */
a:focus-visible, button:focus-visible, .btn:focus-visible{
  outline:2px solid var(--teal);
  outline-offset:3px;
  border-radius:4px;
}

/* ============================================
   NAV
   ============================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  border-bottom:1px solid var(--line);
}
/* Blur lives on a pseudo-element: backdrop-filter on the header itself would make it
   the containing block for the fixed mobile menu and collapse the menu panel. */
.site-header::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:rgba(7,21,35,0.86);
  backdrop-filter:blur(10px);
}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 28px;
  max-width:var(--container);
  margin:0 auto;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  font-family:var(--serif);
  font-size:1.08rem;
  font-weight:600;
  color:var(--white);
  letter-spacing:0.01em;
}
.brand img{ height:34px; width:auto; }
.brand small{
  display:block;
  font-family:var(--mono);
  font-size:0.6rem;
  letter-spacing:0.14em;
  color:var(--slate);
  font-weight:400;
  text-transform:uppercase;
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:36px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-links a{
  font-size:0.92rem;
  color:var(--slate);
  transition:color .15s ease;
  position:relative;
  padding:4px 0;
}
.nav-links a:hover, .nav-links a.active{ color:var(--white); }
.nav-links a.active::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-4px;
  height:2px;
  background:var(--teal);
  border-radius:2px;
}
.nav-links a.nav-cta{
  border:1px solid var(--line-strong);
  background:var(--white);
  padding:12px 26px;
  border-radius:999px;
  font-size:0.86rem;
  font-weight:600;
  line-height:1;
  color:var(--navy-deep) !important;
  transition:all .15s ease;
  white-space:nowrap;
}
.nav-links a.nav-cta:hover{ background:var(--teal); border-color:var(--teal); color:var(--navy-deep) !important; }

.nav-toggle{
  display:none;
  background:none;
  border:none;
  color:var(--white);
  font-size:1.6rem;
  cursor:pointer;
  line-height:1;
}

@media (max-width:860px){
  .nav-toggle{ display:block; }
  .nav-links{
    position:fixed;
    inset:64px 0 0 0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    padding:36px 28px;
    gap:26px;
    transform:translateX(100%);
    transition:transform .25s ease;
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ font-size:1.15rem; color:var(--navy-deep); }
  .nav-links a:hover, .nav-links a.active{ color:var(--teal-dim); }
  .nav-links a.active::after{ background:var(--teal-dim); }
  .nav-links a.nav-cta{ background:var(--navy-deep); border-color:var(--navy-deep); color:var(--white) !important; }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:0.94rem;
  font-weight:600;
  cursor:pointer;
  border:1px solid transparent;
  transition:all .18s ease;
}
.btn-primary{
  background:var(--white);
  color:var(--navy-deep);
  padding:15px 32px;
}
.btn-primary:hover{ background:var(--teal); color:var(--navy-deep); transform:translateY(-1px); }
.btn-ghost{
  border-color:var(--line-strong);
  color:var(--white);
}
.btn-ghost:hover{ border-color:var(--teal); color:var(--teal); }
.btn-row{ display:flex; gap:16px; flex-wrap:wrap; }

/* ============================================
   HERO
   ============================================ */
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 88px;
  border-bottom:1px solid var(--line);
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(2.3rem, 4.6vw, 3.6rem);
  color:var(--white);
  max-width:14ch;
}
.hero h1 em{
  font-style:italic;
  color:var(--teal);
}
.hero-sub{
  font-size:1.08rem;
  max-width:46ch;
  color:var(--slate);
  margin-bottom:32px;
}
.hero-visual{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:360px;
}
.root-svg{ width:100%; height:auto; max-width:460px; }
.root-line{
  fill:none;
  stroke:var(--teal);
  stroke-width:1.6;
  stroke-linecap:round;
  opacity:0.85;
  stroke-dasharray:400;
  stroke-dashoffset:400;
  animation:draw 2.4s ease forwards;
}
.root-line.slow{ animation-delay:.25s; }
.root-line.slower{ animation-delay:.5s; }
@keyframes draw{ to{ stroke-dashoffset:0; } }
.hero-figure{ fill:var(--white); opacity:0.94; }
.hero-horizon{ stroke:var(--line-strong); stroke-width:1; }

@media (max-width:900px){
  .hero-grid{ grid-template-columns:1fr; }
  .hero-visual{ order:-1; min-height:220px; margin-bottom:-12px; }
  .root-svg{ max-width:280px; }
}
@media (max-width:520px){
  .hero{ padding:56px 0 64px; }
  .hero-visual{ min-height:170px; }
  .root-svg{ max-width:220px; }
}

/* ============================================
   SECTIONS / GENERIC
   ============================================ */
section{ padding:88px 0; }
.section-tight{ padding:64px 0; }
.section-border-top{ border-top:1px solid var(--line); }
.section-deep{ background:var(--navy-deep); }

.section-head{
  max-width:680px;
  margin-bottom:52px;
}
.section-head h2{
  font-size:clamp(1.7rem, 2.8vw, 2.3rem);
  color:var(--white);
}
.section-head p{ font-size:1.02rem; }
.inline-link{ color:var(--teal); font-style:italic; }
.inline-link:hover{ color:var(--teal-soft); }

.two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:start;
}
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }

/* Single wide reading column: blocks stack, each capped at a comfortable line length */
.stack-col{
  display:grid;
  gap:56px;
}
.stack-col > div{ max-width:820px; }

/* ============================================
   CARDS
   ============================================ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
@media (max-width:900px){ .card-grid{ grid-template-columns:1fr 1fr; } }
@media (max-width:620px){ .card-grid{ grid-template-columns:1fr; } }

.card{
  background:var(--navy-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px;
  transition:border-color .2s ease, transform .2s ease;
}
.card:hover{ border-color:var(--line-strong); transform:translateY(-2px); }
.card .stat{
  font-family:var(--mono);
  font-size:1.9rem;
  color:var(--teal);
  display:block;
  margin-bottom:10px;
}
.card h3{
  font-size:1.15rem;
  color:var(--white);
  margin-bottom:10px;
}
.card p{ font-size:0.93rem; margin-bottom:0; }
.card-icon{
  width:38px; height:38px;
  border-radius:10px;
  background:var(--teal-glow);
  color:var(--teal);
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px;
  font-family:var(--mono);
  font-size:0.85rem;
}

/* ============================================
   MYTH / STORY BLOCK
   ============================================ */
.myth-block{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:56px;
  align-items:center;
}
.myth-mark{
  display:flex;
  justify-content:center;
}
.myth-mark img{ width:220px; opacity:0.95; }
.myth-copy blockquote{
  font-family:var(--serif);
  font-style:italic;
  font-size:1.3rem;
  color:var(--white);
  border-left:2px solid var(--teal);
  padding-left:22px;
  margin:0 0 22px 0;
}
@media (max-width:860px){ .myth-block{ grid-template-columns:1fr; } .myth-mark img{ width:150px; } }

/* ============================================
   PROJECT / TEASER STRIP
   ============================================ */
.project-teaser{
  background:var(--navy-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:44px;
  display:grid;
  grid-template-columns:1.2fr 0.8fr;
  gap:40px;
  align-items:center;
}
.project-teaser .tag{
  font-family:var(--mono);
  font-size:0.7rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--amber);
  background:rgba(240,180,41,0.12);
  padding:5px 12px;
  border-radius:999px;
  display:inline-block;
  margin-bottom:16px;
}
.project-teaser h3{ font-size:1.5rem; color:var(--white); }
.mini-stats{ display:flex; flex-direction:column; gap:18px; }
.mini-stat{ border-left:2px solid var(--teal-dim); padding-left:16px; }
.mini-stat .n{ font-family:var(--mono); color:var(--teal); font-size:1.3rem; display:block; }
.mini-stat .l{ font-size:0.82rem; color:var(--slate); }
@media (max-width:860px){ .project-teaser{ grid-template-columns:1fr; padding:30px; } }

/* ============================================
   TEAM
   ============================================ */
.team-grid{
  display:grid;
  grid-template-columns:repeat(5, 1fr);
  gap:22px;
}
@media (max-width:1000px){ .team-grid{ grid-template-columns:repeat(3, 1fr); } }
@media (max-width:640px){ .team-grid{ grid-template-columns:repeat(2, 1fr); } }

.team-card{
  background:var(--navy-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .2s ease, border-color .2s ease;
}
.team-card:hover{ transform:translateY(-3px); border-color:var(--line-strong); }
.team-photo{
  aspect-ratio:4/5;
  width:100%;
  object-fit:cover;
  background:var(--navy-panel-2);
  display:block;
}
.team-photo-placeholder{
  aspect-ratio:4/5;
  width:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(155deg, var(--navy-panel-2), var(--navy-panel));
}
.team-initial{
  font-family:var(--serif);
  font-size:3rem;
  color:var(--teal);
  border:1.5px solid var(--teal-dim);
  width:88px; height:88px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
}
.team-body{ padding:20px; }
.team-body h3{ font-size:1.05rem; color:var(--white); margin-bottom:2px; }
.team-role{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.06em;
  color:var(--teal);
  text-transform:uppercase;
  display:block;
  margin-bottom:12px;
}
.team-body p{ font-size:0.87rem; margin-bottom:0; }

.team-full-grid{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:26px;
}
@media (max-width:760px){ .team-full-grid{ grid-template-columns:1fr; } }
.team-full-card{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:22px;
  background:var(--navy-panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
}
.team-full-card .team-photo, .team-full-card .team-photo-placeholder{
  aspect-ratio:4/5;
  width:150px;
  border-radius:var(--radius-sm);
}
.team-full-card .team-initial{ width:64px; height:64px; font-size:2rem; }
@media (max-width:520px){
  .team-full-card{ grid-template-columns:1fr; }
  .team-full-card .team-photo, .team-full-card .team-photo-placeholder{ width:120px; }
}

/* ============================================
   TIMELINE (Projects page)
   ============================================ */
.timeline{
  position:relative;
  padding-left:32px;
  border-left:1px solid var(--line-strong);
}
.timeline-item{
  position:relative;
  padding-bottom:36px;
}
.timeline-item:last-child{ padding-bottom:0; }
.timeline-item::before{
  content:"";
  position:absolute;
  left:-37px;
  top:4px;
  width:11px; height:11px;
  border-radius:50%;
  background:var(--navy);
  border:2px solid var(--teal);
}
.timeline-date{
  font-family:var(--mono);
  font-size:0.75rem;
  color:var(--teal);
  letter-spacing:0.04em;
  margin-bottom:6px;
  display:block;
}
.timeline-item h4{ color:var(--white); font-size:1.05rem; margin-bottom:6px; }
.timeline-item ul{ margin:8px 0 0 0; padding-left:18px; color:var(--slate); font-size:0.92rem; }
.timeline-item li{ margin-bottom:4px; }

/* ============================================
   METHOD STEPS
   ============================================ */
.method-steps{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
}
.method-step{
  padding:28px 26px;
  border-right:1px solid var(--line);
  position:relative;
}
.method-step:last-child{ border-right:none; }
.method-step .num{
  font-family:var(--mono);
  color:var(--teal-dim);
  font-size:0.8rem;
  display:block;
  margin-bottom:14px;
}
.method-step h4{ color:var(--white); font-size:1.02rem; margin-bottom:8px; }
.method-step p{ font-size:0.88rem; margin-bottom:0; }
@media (max-width:800px){
  .method-steps{ grid-template-columns:1fr; }
  .method-step{ border-right:none; border-bottom:1px solid var(--line); }
  .method-step:last-child{ border-bottom:none; }
}

/* ============================================
   LIST / NEEDS / TAGS
   ============================================ */
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; }
.pill{
  font-family:var(--mono);
  font-size:0.78rem;
  padding:7px 14px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  color:var(--slate);
}
.check-list{ list-style:none; margin:0; padding:0; }
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:12px;
  color:var(--slate);
  font-size:0.95rem;
}
.check-list li::before{
  content:"→";
  position:absolute;
  left:0;
  color:var(--teal);
}

/* ============================================
   CTA BAND
   ============================================ */
.cta-band{
  background:linear-gradient(135deg, var(--navy-panel), var(--navy-deep));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:72px 0;
  text-align:center;
}
.cta-band h2{ font-size:clamp(1.6rem,3vw,2.2rem); margin-bottom:14px; }
.cta-band p{ max-width:52ch; margin:0 auto 30px; }
.cta-band .btn-row{ justify-content:center; }

/* ============================================
   FOOTER
   ============================================ */
.site-footer{
  background:var(--navy-deep);
  padding:56px 0 30px;
}
.footer-top{
  display:flex;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
  margin-bottom:24px;
}
.footer-brand{ max-width:340px; }
.footer-brand .brand{ margin-bottom:14px; }
.footer-brand p{ font-size:0.9rem; }
.footer-cols{ display:flex; gap:64px; flex-wrap:wrap; }
.footer-col h5{
  font-family:var(--mono);
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--slate);
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  color:var(--slate);
  font-size:0.9rem;
  margin-bottom:10px;
  transition:color .15s ease;
}
.footer-col a:hover{ color:var(--teal); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:0.82rem;
  color:var(--slate-dim);
}

/* ============================================
   PAGE HEADER (About / Projects)
   ============================================ */
.page-header{
  padding:72px 0 56px;
  border-bottom:1px solid var(--line);
}
.page-header h1{
  font-size:clamp(2rem,4vw,2.9rem);
  color:var(--white);
  max-width:18ch;
}
.page-header p{ max-width:54ch; font-size:1.05rem; }

/* ============================================
   SCROLL REVEAL
   ============================================ */
.reveal{ opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }