/* Heritara Design System */

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --earth:#2C1810;--clay:#8B5E3C;--sand:#D4A574;
  --parchment:#F5EDE3;--bone:#FAF7F2;--moss:#4A5D3A;
  --gold:#C5943A;--deep:#1A0F09;
}

body{font-family:'DM Sans',sans-serif;background:var(--bone);color:var(--earth);overflow-x:hidden;line-height:1.7}

a{color:var(--clay);text-decoration:none}
a:hover{color:var(--gold)}

/* ── NAV ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:1rem 2rem;background:rgba(250,247,242,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(44,24,16,.08)
}
.nav-logo{
  font-size:1.2rem;font-weight:700;color:var(--earth);
  font-family:'Playfair Display',serif;letter-spacing:.02em
}
.nav-logo span{color:var(--gold)}
.nav-links{display:flex;gap:1.5rem;align-items:center}
.nav-links a{font-size:.9rem;color:var(--earth);opacity:.8;transition:opacity .2s}
.nav-links a:hover{opacity:1;color:var(--clay)}
.nav-cta{
  padding:.45rem 1.2rem;border:1.5px solid var(--earth);
  border-radius:6px;font-size:.85rem;font-weight:600;
  color:var(--earth);transition:all .2s
}
.nav-cta:hover{background:var(--earth);color:var(--bone)}

/* ── LAYOUT ── */
.page{padding-top:72px;min-height:100vh}
.container{max-width:1100px;margin:0 auto;padding:0 2rem}
.container--narrow{max-width:720px;margin:0 auto;padding:0 2rem}

/* ── HERO ── */
.hero{
  min-height:calc(100vh - 72px);display:flex;flex-direction:column;justify-content:center;
  padding:5rem 2rem 4rem;position:relative
}
.hero::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:radial-gradient(ellipse 80% 60% at 20% 80%, rgba(197,148,58,.08) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 20%, rgba(139,94,60,.06) 0%, transparent 60%),
              var(--bone);
  pointer-events:none
}
.hero::after{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background-image:repeating-linear-gradient(90deg,transparent,transparent 79px,rgba(44,24,16,.02) 79px,rgba(44,24,16,.02) 80px),
                   repeating-linear-gradient(0deg,transparent,transparent 79px,rgba(44,24,16,.02) 79px,rgba(44,24,16,.02) 80px);
  pointer-events:none
}
.hero-inner{max-width:900px;margin:0 auto;position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.35rem 1rem;border:1px solid var(--sand);border-radius:100px;
  font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;
  color:var(--clay);margin-bottom:1.5rem
}
.hero-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}
.hero-title{
  font-family:'Playfair Display',serif;font-size:clamp(2.8rem,6vw,4.5rem);
  font-weight:700;line-height:1.15;color:var(--earth);margin-bottom:1.5rem
}
.hero-title em{font-style:normal;color:var(--clay)}
.hero-sub{
  font-size:1.15rem;color:var(--earth);opacity:.75;
  max-width:560px;margin-bottom:2.5rem;line-height:1.8
}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.btn-primary{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 2rem;background:var(--earth);color:var(--bone);
  border-radius:8px;font-weight:600;font-size:.95rem;
  transition:background .2s,transform .15s;cursor:pointer;border:none
}
.btn-primary:hover{background:var(--deep);color:var(--bone);transform:translateY(-1px)}
.btn-secondary{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 2rem;background:transparent;color:var(--earth);
  border:1.5px solid var(--sand);border-radius:8px;font-weight:600;font-size:.95rem;
  transition:border-color .2s,background .2s;cursor:pointer
}
.btn-secondary:hover{border-color:var(--clay);background:rgba(139,94,60,.05);color:var(--earth)}

/* ── FEATURES SECTION ── */
.features{padding:5rem 2rem;background:var(--parchment)}
.section-label{
  font-size:.75rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--gold);font-weight:700;margin-bottom:.75rem
}
.section-title{
  font-family:'Playfair Display',serif;font-size:2.2rem;font-weight:700;
  color:var(--earth);margin-bottom:3rem
}
.features-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:2rem
}
.feature-card{
  background:var(--bone);border:1px solid rgba(44,24,16,.08);
  border-radius:12px;padding:2rem
}
.feature-icon{
  width:48px;height:48px;border-radius:10px;
  background:rgba(197,148,58,.12);display:flex;align-items:center;justify-content:center;
  margin-bottom:1.25rem;font-size:1.4rem
}
.feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:.6rem;color:var(--earth)}
.feature-card p{font-size:.9rem;opacity:.7;line-height:1.7}

/* ── FORMS ── */
.form-section{padding:4rem 2rem;min-height:100vh}
.form-card{
  background:var(--bone);border:1px solid rgba(44,24,16,.08);
  border-radius:16px;padding:3rem;max-width:760px;margin:0 auto
}
.form-header{margin-bottom:2.5rem}
.form-header h1{
  font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;
  color:var(--earth);margin-bottom:.5rem
}
.form-header p{opacity:.7;font-size:1rem}
.form-group{margin-bottom:1.5rem}
.form-label{
  display:block;font-size:.85rem;font-weight:600;color:var(--earth);
  margin-bottom:.4rem;letter-spacing:.02em
}
.form-input,.form-select,.form-textarea{
  width:100%;padding:.75rem 1rem;border:1.5px solid rgba(44,24,16,.15);
  border-radius:8px;font-size:.95rem;background:var(--bone);color:var(--earth);
  transition:border-color .2s,box-shadow .2s;font-family:'DM Sans',sans-serif
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(197,148,58,.15)
}
.form-textarea{resize:vertical;min-height:100px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-hint{font-size:.8rem;opacity:.6;margin-top:.3rem}
.form-section-title{
  font-family:'Playfair Display',serif;font-size:1.3rem;font-weight:700;
  color:var(--earth);margin:2rem 0 1rem;border-bottom:1px solid rgba(44,24,16,.1);
  padding-bottom:.5rem
}
.btn-submit{
  width:100%;padding:1rem;border:none;border-radius:8px;
  background:var(--earth);color:var(--bone);font-size:1rem;
  font-weight:700;cursor:pointer;transition:background .2s;margin-top:1rem
}
.btn-submit:hover{background:var(--deep)}

/* ── DASHBOARD ── */
.dashboard{padding:4rem 2rem;min-height:100vh}
.dashboard-header{margin-bottom:2.5rem}
.dashboard-header h1{
  font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:var(--earth)
}
.status-badge{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.3rem .85rem;border-radius:100px;font-size:.75rem;font-weight:700;
  text-transform:uppercase;letter-spacing:.05em
}
.status-pending{background:rgba(212,165,116,.2);color:#7a5a2a}
.status-under_review{background:rgba(74,93,58,.15);color:var(--moss)}
.status-authenticated{background:rgba(74,93,58,.2);color:#2d3a22}
.status-rejected{background:rgba(180,80,60,.15);color:#8a3020}
.artifact-card{
  background:var(--bone);border:1px solid rgba(44,24,16,.08);
  border-radius:12px;padding:1.75rem;margin-bottom:1rem;
  display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;
  transition:box-shadow .2s
}
.artifact-card:hover{box-shadow:0 4px 20px rgba(44,24,16,.08)}
.artifact-card-body h3{font-size:1.1rem;font-weight:700;margin-bottom:.3rem;color:var(--earth)}
.artifact-card-body p{font-size:.85rem;opacity:.65;margin-bottom:.5rem}
.artifact-card-meta{display:flex;gap:1rem;font-size:.8rem;opacity:.6;flex-wrap:wrap}
.artifact-card-action .btn-ghost{
  padding:.5rem 1rem;border:1.5px solid rgba(44,24,16,.2);
  border-radius:6px;font-size:.8rem;font-weight:600;color:var(--earth);
  white-space:nowrap;cursor:pointer;background:transparent;transition:all .2s
}
.artifact-card-action .btn-ghost:hover{border-color:var(--clay);color:var(--clay)}
.empty-state{
  text-align:center;padding:4rem 2rem;
  background:var(--parchment);border-radius:16px;
  border:1px dashed rgba(44,24,16,.2)
}
.empty-state h3{font-family:'Playfair Display',serif;font-size:1.5rem;margin-bottom:.5rem}
.empty-state p{opacity:.65;margin-bottom:1.5rem}

/* ── PROVENANCE TIMELINE ── */
.timeline{padding:4rem 2rem;min-height:100vh}
.timeline-header{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:2rem;margin-bottom:3rem
}
.timeline-header h1{
  font-family:'Playfair Display',serif;font-size:2rem;font-weight:700;color:var(--earth)
}
.timeline-body{max-width:800px}
.timeline-event{
  position:relative;padding-left:2.5rem;padding-bottom:2.5rem
}
.timeline-event::before{
  content:'';position:absolute;left:7px;top:8px;bottom:-8px;
  width:2px;background:rgba(44,24,16,.1)
}
.timeline-event:last-child::before{display:none}
.timeline-dot{
  position:absolute;left:0;top:6px;width:16px;height:16px;
  border-radius:50%;border:2px solid var(--gold);background:var(--bone)
}
.timeline-event-type{
  font-size:.75rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.08em;color:var(--gold);margin-bottom:.3rem
}
.timeline-event-title{font-size:1.05rem;font-weight:700;color:var(--earth);margin-bottom:.3rem}
.timeline-event-meta{font-size:.82rem;opacity:.6;margin-bottom:.5rem}
.timeline-event-desc{font-size:.9rem;opacity:.75;line-height:1.7}
.timeline-add{padding-top:2rem;border-top:1px dashed rgba(44,24,16,.15);margin-top:1rem}
.timeline-add-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.6rem 1.2rem;border:1.5px solid var(--sand);border-radius:6px;
  font-size:.85rem;font-weight:600;color:var(--clay);cursor:pointer;
  background:transparent;transition:all .2s
}
.timeline-add-btn:hover{border-color:var(--clay);background:rgba(139,94,60,.05)}

/* ── ALERTS ── */
.alert{
  padding:1rem 1.25rem;border-radius:8px;margin-bottom:1.5rem;
  font-size:.9rem
}
.alert-success{background:rgba(74,93,58,.12);border:1px solid rgba(74,93,58,.3);color:#2d3a22}
.alert-error{background:rgba(180,80,60,.1);border:1px solid rgba(180,80,60,.25);color:#8a3020}

/* ── MODAL ── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(26,15,9,.5);z-index:200;
  display:flex;align-items:center;justify-content:center;padding:1rem;
  display:none
}
.modal-overlay.active{display:flex}
.modal{
  background:var(--bone);border-radius:16px;padding:2rem;
  max-width:520px;width:100%;max-height:90vh;overflow-y:auto
}
.modal h2{font-family:'Playfair Display',serif;font-size:1.5rem;margin-bottom:1.5rem}
.modal-close{
  float:right;font-size:1.2rem;cursor:pointer;opacity:.5;background:none;border:none
}
.modal-close:hover{opacity:1}

/* ── DIVIDER ── */
.divider{height:1px;background:rgba(44,24,16,.08);margin:2rem 0}

/* ── FOOTER ── */
.footer{padding:2rem;text-align:center;border-top:1px solid rgba(44,24,16,.08);margin-top:4rem}
.footer p{font-size:.8rem;opacity:.5}

/* ── BACK LINK ── */
.back-link{display:inline-flex;align-items:center;gap:.4rem;font-size:.85rem;opacity:.6;margin-bottom:1.5rem}
.back-link:hover{opacity:1}

/* ── RESPONSIVE ── */
@media(max-width:600px){
  .form-row{grid-template-columns:1fr}
  .form-card{padding:1.5rem}
  .artifact-card{flex-direction:column}
  .hero-title{font-size:2.2rem}
  .nav-links .nav-cta{display:none}
}