/* ===================================================================
   PERIHELION DIGITAL — design tokens & shared styles
   Palette: Void / Ink / Corona Gold / Solar White / Atmos Blue / Slate
   =================================================================== */

:root{
  --void: #0B0D14;
  --ink: #13151F;
  --ink-raised: #181B27;
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.18);

  --text-primary: #EDEFF5;
  --text-secondary: #9297AC;
  --text-tertiary: #656B82;

  --gold: #06a734;
  --gold-bright: #73ffa6;
  --gold-dim: rgba(6, 139, 77, 0.14);
  --solar: #03b769;

  --atmos: #5EA8FF;
  --atmos-dim: rgba(94,168,255,0.14);
  --atmos-bright: #8FC4FF;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 26px;
  --radius-pill: 999px;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 104px;

  --container: 1160px;

  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4{ font-family: var(--font-display); margin:0; line-height:1.12; letter-spacing:-0.01em; }
p{ margin:0; }
a{ color: inherit; }
img,svg{ display:block; max-width:100%; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; }

::selection{ background: var(--gold); color:#1A1206; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* background texture: faint radial vignette so panels feel like deep space, not flat black */
body{
  background-image:
    radial-gradient(ellipse 900px 500px at 82% -6%, rgba(232,163,61,0.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at -10% 40%, rgba(94,168,255,0.05), transparent 60%);
  background-repeat: no-repeat;
}

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

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}
.eyebrow::before{
  content:"";
  width:16px; height:1px;
  background: var(--gold);
  display:inline-block;
}
.eyebrow.atmos{ color: var(--atmos); }
.eyebrow.atmos::before{ background: var(--atmos); }

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration:none;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn-primary{ background: var(--gold); color:#1A1206; }
.btn-primary:hover{ background: var(--gold-bright); transform: translateY(-2px); }
.btn-outline{ border-color: var(--line-strong); color: var(--text-primary); background:transparent; }
.btn-outline:hover{ border-color: var(--gold); color: var(--gold); transform: translateY(-2px); }
.btn-ghost{ color: var(--text-secondary); padding: 15px 8px; }
.btn-ghost:hover{ color: var(--text-primary); }
.btn svg{ width:14px; height:14px; }

/* ---------------- Nav ---------------- */
.site-nav{
  position: sticky;
  top:0;
  z-index: 60;
  background: rgba(11,13,20,0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  max-width: var(--container);
  margin:0 auto;
  padding: 16px 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-family: var(--font-display);
  font-weight:700;
  font-size:15px;
  letter-spacing:0.01em;
  color: var(--text-primary);
  flex-shrink:0;
}
.logo-mark{ width:26px; height:26px; flex-shrink:0; }
.logo-mark .orbit-ring{ fill:none; stroke: var(--line-strong); stroke-width:1; stroke-dasharray:2 3; }
.logo-mark .orbit-sun{ fill: var(--gold); }
.logo-mark .orbit-dot{
  fill: var(--solar);
  transform-origin: 13px 13px;
  animation: orbit-spin 6s linear infinite;
}
@keyframes orbit-spin{ from{ transform: rotate(0deg);} to{ transform: rotate(360deg);} }

.nav-links{
  display:flex;
  align-items:center;
  gap: 30px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-links a{
  color: var(--text-secondary);
  text-decoration:none;
  transition: color .2s;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.nav-links a:hover{ color: var(--text-primary); }
.nav-links a.is-active{ color: var(--text-primary); border-bottom-color: var(--gold); }

.nav-actions{ display:flex; align-items:center; gap:10px; flex-shrink:0; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  align-items:center; justify-content:center;
  background:transparent; border:1px solid var(--line-strong); border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor:pointer;
}
.nav-toggle svg{ width:18px; height:18px; }

@media (max-width: 860px){
  .nav-links{
    position:absolute;
    top: 100%; left:0; right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background: var(--ink);
    border-bottom: 1px solid var(--line);
    padding: 8px 28px 18px;
    display:none;
  }
  .nav-links.is-open{ display:flex; }
  .nav-links a{ width:100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-toggle{ display:inline-flex; }
  .nav-actions .btn-outline span.label-full{ display:none; }
}

/* ---------------- Hero (shared shape, index gets extra canvas) ---------------- */
.hero{
  padding: var(--space-6) 0 var(--space-5);
  border-bottom: 1px solid var(--line);
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items:center;
}
.hero-copy h1{
  font-size: clamp(2.4rem, 4.6vw, 4rem);
  margin: var(--space-2) 0 var(--space-3);
}
.hero-copy p{
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 46ch;
  margin-bottom: var(--space-4);
}
.hero-cta{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-visual{
  position:relative;
  aspect-ratio: 1 / 0.82;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--ink), var(--void));
  overflow:hidden;
}
#orbit-canvas{ width:100%; height:100%; display:block; }
.hero-visual .visual-caption{
  position:absolute;
  bottom:18px; left:22px;
  font-family: var(--font-mono);
  font-size:11px;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color: var(--text-tertiary);
}

.hero.no-canvas .hero-inner{ grid-template-columns: 1fr; }
.hero.no-canvas .hero-copy p{ max-width: 62ch; }

@media (max-width: 900px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order:-1; aspect-ratio: 16/10; }
}

/* ---------------- Sections ---------------- */
section{ padding: var(--space-5) 0; }
.section-head{ max-width: 640px; margin-bottom: var(--space-4); }
.section-head h2{ font-size: clamp(1.6rem, 3vw, 2.3rem); margin-top: var(--space-2); }
.section-head p{ color: var(--text-secondary); margin-top: var(--space-2); font-size: 1.02rem; }

/* ---------------- Service cards ---------------- */
.service-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.service-card{
  border:1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: var(--ink);
  text-decoration:none;
  color: var(--text-primary);
  display:flex; flex-direction:column; gap: var(--space-2);
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}
.service-card:hover{ transform: translateY(-4px); }
.service-card.gold:hover{ border-color: var(--gold); }
.service-card.atmos:hover{ border-color: var(--atmos); }
.service-card h3{ font-size: 1.4rem; }
.service-card p{ color: var(--text-secondary); }
.service-card .card-icon{ width:40px; height:40px; margin-bottom: var(--space-1); }
.card-link{ font-family: var(--font-mono); font-size:12px; letter-spacing:0.06em; text-transform:uppercase; margin-top:auto; display:flex; align-items:center; gap:8px;}
.service-card.gold .card-link{ color: var(--gold); }
.service-card.atmos .card-link{ color: var(--atmos); }

@media (max-width: 760px){ .service-grid{ grid-template-columns: 1fr; } }

/* ---------------- Process steps (genuinely sequential pipeline) ---------------- */
.process{ display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); counter-reset: step; }
.process-step{ border-top: 1px solid var(--line-strong); padding-top: var(--space-2); }
.process-step .step-num{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing:0.05em;
  display:block;
  margin-bottom: var(--space-1);
}
.process-step h3{ font-size:1.15rem; margin-bottom:8px; }
.process-step p{ color: var(--text-secondary); font-size:0.96rem; }
@media (max-width: 760px){ .process{ grid-template-columns: 1fr; } }
.atmos-process .step-num{ color: var(--atmos); }
.atmos-process .process-step{ border-top-color: rgba(94,168,255,0.35); }

/* ---------------- Feature list (parallel capabilities, not sequential) ---------------- */
.feature-list{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-3) var(--space-4); }
.feature-item{ display:flex; gap:14px; }
.feature-item .dot{ width:8px; height:8px; border-radius:50%; background: var(--gold); margin-top:8px; flex-shrink:0; }
.feature-item h4{ font-size:1.05rem; margin-bottom:6px; }
.feature-item p{ color: var(--text-secondary); font-size:0.95rem; }
@media (max-width: 760px){ .feature-list{ grid-template-columns: 1fr; } }

/* ---------------- Waveform accent (music production) ---------------- */
.waveform{ display:flex; align-items:flex-end; gap:4px; height:64px; }
.waveform span{
  width:5px; border-radius:3px;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  animation: wave 1.3s ease-in-out infinite;
}
@keyframes wave{ 0%,100%{ transform: scaleY(0.35);} 50%{ transform: scaleY(1);} }

/* ---------------- Atmos rings (spatial / height motif) ---------------- */
.atmos-rings{ width:100%; height:100%; }

/* ---------------- Project / card grids ---------------- */
.project-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.project-card{
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  background: rgba(255,255,255,0.015);
  display:flex; flex-direction:column; gap: var(--space-2);
}
.project-card .tag{ font-family: var(--font-mono); font-size:10.5px; letter-spacing:0.08em; text-transform:uppercase; color: var(--text-tertiary); }
.project-card h3{ font-size:1.1rem; }
.project-card p{ color: var(--text-secondary); font-size:0.92rem; }
.project-card .listen{ font-family: var(--font-mono); font-size:11.5px; letter-spacing:0.06em; text-transform:uppercase; color: var(--gold); text-decoration:none; margin-top:auto; }
@media (max-width: 900px){ .project-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px){ .project-grid{ grid-template-columns: 1fr; } }

/* ---------------- Editable placeholder blocks ---------------- */
.editable{
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  background: rgba(255,255,255,0.015);
  margin-bottom: var(--space-3);
}
.editable:last-child{ margin-bottom:0; }
.editable-tag{
  display:inline-block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--gold-dim);
  border: 1px solid rgba(232,163,61,0.35);
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-2);
}
.editable h3{ font-size:1.25rem; margin-bottom: var(--space-2); }
.editable p{ color: var(--text-secondary); }
.editable p + p{ margin-top: var(--space-2); }

/* ---------------- Contact ---------------- */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); align-items:start; }
.contact-list{ display:flex; flex-direction:column; gap: var(--space-3); }
.contact-row{ display:flex; align-items:flex-start; gap:16px; padding-bottom: var(--space-3); border-bottom:1px solid var(--line); }
.contact-row:last-child{ border-bottom:none; }
.contact-row .icon{ width:22px; height:22px; color: var(--gold); flex-shrink:0; margin-top:2px; }
.contact-row .label{ font-family: var(--font-mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color: var(--text-tertiary); margin-bottom:4px; }
.contact-row a, .contact-row span.value{ font-size:1.05rem; text-decoration:none; color: var(--text-primary); }
.contact-row a:hover{ color: var(--gold); }
.social-row{ display:flex; gap:14px; margin-top: var(--space-2); }
.social-row a{
  width:44px; height:44px; border-radius:50%;
  border:1px solid var(--line-strong);
  display:flex; align-items:center; justify-content:center;
  text-decoration:none; color: var(--text-secondary);
  transition: border-color .2s, color .2s;
}
.social-row a:hover{ border-color: var(--gold); color: var(--gold); }
.social-row svg{ width:18px; height:18px; }
@media (max-width: 800px){ .contact-grid{ grid-template-columns: 1fr; } }

/* ---------------- Footer ---------------- */
.site-footer{ border-top: 1px solid var(--line); padding: var(--space-4) 0; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: var(--space-2); }
.footer-inner .logo{ font-size:14px; }
.footer-links{ display:flex; gap: var(--space-3); font-family: var(--font-mono); font-size:12px; letter-spacing:0.05em; text-transform:uppercase; }
.footer-links a{ color: var(--text-secondary); text-decoration:none; }
.footer-links a:hover{ color: var(--text-primary); }
.footer-copy{ color: var(--text-tertiary); font-family: var(--font-mono); font-size:11.5px; letter-spacing:0.03em; width:100%; margin-top: var(--space-3); padding-top: var(--space-3); border-top:1px solid var(--line); }

/* ---------------- Reduced motion ---------------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  .logo-mark .orbit-dot{ animation:none; }
  .waveform span{ animation:none; transform: scaleY(0.7); }
  *{ transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}