/* ============================================================
   ARTHANOMICS 2026 — Design System
   Palette derived from the festival mark: teal → maroon orbit,
   deep ink text, warm parchment highlights, rupee-gold accent.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,500;9..144,600;9..144,700;9..144,900&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* -- core palette -- */
  --bg:            #0a0d0d;
  --bg-alt:        #0e1313;
  --surface:       #121918;
  --surface-2:     #16201f;
  --line:          #23302e;
  --line-soft:     rgba(230, 224, 210, 0.09);

  --teal:          #15a394;
  --teal-dim:      #0c5c52;
  --teal-glow:     rgba(21, 163, 148, 0.35);

  --maroon:        #9c2547;
  --maroon-dim:    #5c1830;
  --maroon-glow:   rgba(156, 37, 71, 0.35);

  --ink:           #3a1015;

  --gold:          #c99a3f;
  --gold-soft:     rgba(201, 154, 63, 0.16);

  --cream:         #f3ece0;
  --cream-dim:     #d8d0c2;
  --muted:         #93a09b;
  --muted-2:       #5f6c68;

  --gradient-brand: linear-gradient(120deg, var(--teal) 0%, #2b6f7c 32%, #6a3060 62%, var(--maroon) 100%);
  --gradient-brand-soft: linear-gradient(120deg, rgba(21,163,148,0.18), rgba(156,37,71,0.18));

  /* -- type -- */
  --f-display: 'Fraunces', 'Georgia', serif;
  --f-body: 'IBM Plex Sans', -apple-system, sans-serif;
  --f-mono: 'IBM Plex Mono', monospace;

  /* -- layout -- */
  --max: 1180px;
  --edge: clamp(20px, 5vw, 64px);
  --radius: 14px;
  --radius-lg: 26px;
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html,body{ margin:0; padding:0; }

body{
  background: var(--bg);
  color: var(--cream);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  position: relative;
}

/* faint film-grain / vignette atmosphere over the whole site */
body::before{
  content:'';
  position: fixed; inset:0;
  pointer-events:none;
  z-index: 0;
  background:
    radial-gradient(ellipse 900px 500px at 15% -5%, var(--teal-glow), transparent 60%),
    radial-gradient(ellipse 900px 500px at 90% 10%, var(--maroon-glow), transparent 60%),
    radial-gradient(ellipse 1200px 800px at 50% 120%, rgba(21,163,148,0.10), transparent 60%);
  opacity: .55;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }

::selection{ background: var(--maroon); color: var(--cream); }

.wrap{ max-width: var(--max); margin: 0 auto; padding: 0 var(--edge); position: relative; z-index: 1; }

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior:auto !important; }
}

/* ---------------- Typography ---------------- */
h1,h2,h3,h4{ font-family: var(--f-display); color: var(--cream); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1{ font-size: clamp(2.6rem, 6vw, 5.4rem); font-weight: 600; line-height: 1.02; }
h2{ font-size: clamp(2rem, 4vw, 3.1rem); line-height: 1.08; }
h3{ font-size: clamp(1.3rem, 2vw, 1.7rem); }
p{ margin: 0; color: var(--muted); }

.eyebrow{
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: .6em;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: var(--teal);
  display:inline-block;
}
.eyebrow.alt{ color: var(--gold); }
.eyebrow.alt::before{ background: var(--gold); }

.lede{ font-size: clamp(1.02rem, 1.4vw, 1.2rem); color: var(--cream-dim); max-width: 62ch; }

.grad-text{
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------------- Buttons ---------------- */
.btn{
  font-family: var(--f-mono);
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: .6em;
  padding: .95em 1.6em;
  border-radius: 100px;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform .35s cubic-bezier(.2,.8,.2,1), border-color .3s, background .3s, box-shadow .3s;
  white-space: nowrap;
}
.btn svg{ width: 14px; height: 14px; transition: transform .35s; }
.btn:hover{ transform: translateY(-2px); }
.btn:hover svg{ transform: translate(3px,-3px); }

.btn-primary{
  background: var(--gradient-brand);
  border-color: transparent;
  color: #08100f;
  font-weight: 600;
  box-shadow: 0 8px 30px -10px var(--teal-glow);
}
.btn-primary:hover{ box-shadow: 0 12px 40px -8px var(--maroon-glow); }

.btn-ghost{
  color: var(--cream);
  background: rgba(255,255,255,0.02);
}
.btn-ghost:hover{ border-color: var(--teal); background: rgba(21,163,148,0.08); }

/* ---------------- Nav ---------------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  backdrop-filter: blur(14px) saturate(140%);
  background: rgba(9,12,12,0.72);
  border-bottom: 1px solid var(--line-soft);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px var(--edge);
  max-width: var(--max); margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:.7em; }
.brand img{ height: 40px; width:auto; }
.brand-text{ font-family: var(--f-display); font-size: 1.12rem; line-height: 1; color: var(--cream); }
.brand-text b{ display:block; font-weight: 600; letter-spacing: .01em; }
.brand-text span{ display:block; font-family: var(--f-mono); font-size:.62rem; letter-spacing: .18em; color: var(--teal); margin-top: 4px; }

.nav-links{ display:flex; align-items:center; gap: 2.1em; }
.nav-links a{
  font-family: var(--f-mono); font-size: .8rem; letter-spacing: .05em; text-transform: uppercase;
  color: var(--muted); position: relative; padding: 6px 0;
  transition: color .25s;
}
.nav-links a::after{
  content:''; position:absolute; left:0; right:100%; bottom:0; height:1px;
  background: var(--gradient-brand); transition: right .35s cubic-bezier(.2,.8,.2,1);
}
.nav-links a:hover, .nav-links a.active{ color: var(--cream); }
.nav-links a:hover::after, .nav-links a.active::after{ right:0; }

.nav-cta{ display:flex; align-items:center; gap: 1.4em; }
.nav-toggle{
  display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px;
}
.nav-toggle span{ width:22px; height:2px; background:var(--cream); border-radius:2px; transition: transform .3s, opacity .3s; }

@media (max-width: 900px){
  .nav-links{
    position: fixed; inset: 68px 0 0 0; height: calc(100vh - 68px);
    background: rgba(8,11,11,0.98); backdrop-filter: blur(10px);
    flex-direction: column; justify-content: flex-start; align-items: flex-start;
    padding: 40px var(--edge); gap: 1.8em;
    transform: translateX(100%); transition: transform .45s cubic-bezier(.2,.8,.2,1);
  }
  .nav-links.open{ transform: translateX(0); }
  .nav-links a{ font-size: 1.05rem; }
  .nav-toggle{ display:flex; }
  .nav-cta .btn-ghost{ display:none; }
}

/* ---------------- Orbit / signature motif ---------------- */
.orbit-mark{ position: relative; }
.orbit-mark svg{ width:100%; height:100%; display:block; }
.orbit-ring{
  transform-origin: 50% 50%;
  animation: spin-orbit 22s linear infinite;
}
@keyframes spin-orbit{ to{ transform: rotate(360deg); } }
.orbit-fragment{ animation: drift 6s ease-in-out infinite; }
.orbit-fragment:nth-child(2){ animation-delay: -1.4s; }
.orbit-fragment:nth-child(3){ animation-delay: -3.1s; }
@keyframes drift{
  0%,100%{ transform: translateY(0) rotate(0deg); opacity:.85; }
  50%{ transform: translateY(10px) rotate(14deg); opacity: .4; }
}

/* ---------------- Hero ---------------- */
.hero{
  position: relative;
  padding: 150px var(--edge) 90px;
  min-height: 92vh;
  display:flex; flex-direction:column; justify-content:center;
  overflow: hidden;
}
.hero-bulb-watermark{
  position:absolute; top: -8%; left:50%; transform: translateX(-50%);
  width: min(1100px, 140vw); opacity: .06; z-index:0; pointer-events:none;
}
.hero-inner{ max-width: var(--max); margin: 0 auto; width:100%; position:relative; z-index:2; }
.hero-orbit{
  position:absolute; right: -60px; top: 50%; transform: translateY(-46%);
  width: min(520px, 46vw); opacity:.9; z-index:1;
}
.hero-dates{
  display:flex; flex-wrap:wrap; gap: 1.8em; margin-top: 30px;
  font-family: var(--f-mono); font-size:.85rem; color: var(--muted);
}
.hero-dates b{ color:var(--cream); font-weight:500; }
.hero-title{ margin-top: 18px; max-width: 14ch; }
.hero-sub{ margin-top: 22px; }
.hero-actions{ display:flex; gap: 1em; flex-wrap:wrap; margin-top: 40px; }

.hero-scroll{
  position:absolute; bottom: 34px; left: 50%; transform: translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:10px;
  font-family: var(--f-mono); font-size: .68rem; letter-spacing:.2em; color: var(--muted-2);
  text-transform: uppercase; z-index: 2;
}
.hero-scroll .line{ width:1px; height: 36px; background: linear-gradient(var(--teal), transparent); animation: scroll-pulse 1.8s ease-in-out infinite; }
@keyframes scroll-pulse{ 0%,100%{ opacity:.2; } 50%{ opacity: 1; } }

/* ---------------- Marquee ---------------- */
.marquee{
  border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft);
  background: var(--surface); overflow:hidden; padding: 16px 0;
}
.marquee-track{ display:flex; gap: 3em; white-space:nowrap; width: max-content; animation: marquee 26s linear infinite; }
@keyframes marquee{ from{ transform: translateX(0); } to{ transform: translateX(-50%); } }
.marquee-track span{
  font-family: var(--f-mono); font-size: .82rem; letter-spacing:.1em; text-transform:uppercase; color: var(--muted);
  display:flex; align-items:center; gap: 3em;
}
.marquee-track span i{ color: var(--teal); font-style:normal; }

/* ---------------- Sections ---------------- */
.section{ padding: 120px var(--edge); position:relative; }
.section-head{ max-width: 640px; margin-bottom: 60px; }
.section-head h2{ margin-top: 16px; }
.section.tight{ padding-top: 70px; padding-bottom: 70px; }

.reveal{ opacity:0; transform: translateY(28px); transition: opacity .9s cubic-bezier(.2,.7,.15,1), transform .9s cubic-bezier(.2,.7,.15,1); }
.reveal.in{ opacity:1; transform: translateY(0); }
.reveal-stagger > *{ opacity:0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2,.7,.15,1), transform .8s cubic-bezier(.2,.7,.15,1); }
.reveal-stagger.in > *{ opacity:1; transform: translateY(0); }
.reveal-stagger.in > *:nth-child(1){ transition-delay: .02s; }
.reveal-stagger.in > *:nth-child(2){ transition-delay: .12s; }
.reveal-stagger.in > *:nth-child(3){ transition-delay: .22s; }
.reveal-stagger.in > *:nth-child(4){ transition-delay: .32s; }

/* ---------------- Cards ---------------- */
.card{
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 34px;
  position: relative;
  overflow: hidden;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), border-color .35s, box-shadow .45s;
}
.card::before{
  content:''; position:absolute; inset:0; border-radius: inherit; padding:1px;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity:0; transition: opacity .4s;
}
.card:hover{ transform: translateY(-6px); box-shadow: 0 24px 50px -20px rgba(0,0,0,.6); }
.card:hover::before{ opacity:1; }

/* grids */
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 920px){ .grid-3{ grid-template-columns: 1fr; } .grid-2{ grid-template-columns: 1fr; } }

/* ---------------- Event card specifics ---------------- */
.event-card .tag{
  font-family: var(--f-mono); font-size:.68rem; letter-spacing:.14em; text-transform:uppercase;
  color: var(--gold); background: var(--gold-soft); border: 1px solid rgba(201,154,63,.3);
  padding: 5px 12px; border-radius: 100px; display:inline-block;
}
.event-card h3{ margin-top: 20px; }
.event-card p{ margin-top: 12px; }
.event-card .meta{
  margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line);
  display:flex; justify-content:space-between; align-items:center;
  font-family: var(--f-mono); font-size:.72rem; color: var(--muted-2); text-transform:uppercase; letter-spacing:.08em;
}
.event-number{
  position:absolute; top: 22px; right: 28px;
  font-family: var(--f-display); font-size: 3.2rem; font-weight:300; color: var(--line);
  z-index:0; line-height:1;
}

/* ---------------- Team card specifics ---------------- */
.team-card{ text-align:left; }
.avatar{
  width: 100%; aspect-ratio: 1/1; border-radius: 18px; overflow:hidden; position:relative;
  background: linear-gradient(150deg, var(--surface-2), var(--bg-alt));
  border: 1px solid var(--line); margin-bottom: 20px;
  display:flex; align-items:center; justify-content:center;
}
.avatar svg{ width: 46%; opacity:.5; }
.avatar::after{
  content:''; position:absolute; inset:0; opacity:0; transition: opacity .4s;
  background: var(--gradient-brand-soft);
}
.team-card:hover .avatar::after{ opacity:1; }
.team-card h3{ margin-top:0; }
.team-card .role{ font-family: var(--f-mono); font-size:.74rem; letter-spacing:.1em; text-transform:uppercase; color: var(--teal); margin-top:6px; display:block; }

/* ---------------- Stats ---------------- */
.stat-strip{ display:grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
@media (max-width: 900px){ .stat-strip{ grid-template-columns: repeat(2,1fr); } }
.stat{ border-left: 1px solid var(--line); padding-left: 20px; }
.stat .num{ font-family: var(--f-display); font-size: clamp(2.1rem,4vw,3rem); color: var(--cream); }
.stat .label{ font-family: var(--f-mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color: var(--muted-2); margin-top: 8px; }

/* ---------------- About page specifics ---------------- */
.pillar{ display:flex; gap: 26px; align-items:flex-start; padding: 40px 0; border-top: 1px solid var(--line); }
.pillar:last-child{ border-bottom: 1px solid var(--line); }
.pillar .idx{ font-family: var(--f-mono); font-size:.8rem; color: var(--teal); padding-top: 6px; min-width: 3ch; }
.pillar-body h3{ margin-bottom: 12px; }
.pillar-body p + p{ margin-top: 12px; }

/* ---------------- Contact page ---------------- */
.contact-grid{ display:grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items:start; }
@media (max-width: 920px){ .contact-grid{ grid-template-columns: 1fr; } }
.contact-channel{
  display:flex; align-items:center; gap: 18px; padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); margin-bottom: 16px;
  transition: border-color .3s, transform .3s;
}
.contact-channel:hover{ border-color: var(--teal); transform: translateX(4px); }
.contact-channel .ic{
  width: 46px; height:46px; border-radius: 12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  background: var(--gradient-brand); color:#08100f;
}
.contact-channel .ic svg{ width: 22px; height:22px; }
.contact-channel .cc-label{ font-family: var(--f-mono); font-size:.68rem; letter-spacing:.12em; text-transform:uppercase; color: var(--muted-2); }
.contact-channel .cc-value{ font-family: var(--f-body); font-size: 1.02rem; color: var(--cream); margin-top: 4px; word-break: break-word; }

.form-field{ margin-bottom: 20px; }
.form-field label{ display:block; font-family: var(--f-mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color: var(--muted); margin-bottom: 8px; }
.form-field input, .form-field textarea{
  width:100%; background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 14px 16px; color: var(--cream); font-family: var(--f-body); font-size: .96rem;
  transition: border-color .3s, background .3s;
}
.form-field input:focus, .form-field textarea:focus{ outline:none; border-color: var(--teal); background: var(--surface-2); }
.form-field textarea{ min-height: 130px; resize: vertical; }
.form-note{ font-family: var(--f-mono); font-size:.72rem; color: var(--muted-2); margin-top: 14px; }
.form-status{ margin-top: 16px; font-family: var(--f-mono); font-size:.82rem; padding: 12px 16px; border-radius: 10px; display:none; }
.form-status.show{ display:block; }
.form-status.ok{ background: rgba(21,163,148,.12); border: 1px solid var(--teal); color: var(--teal); }
.form-status.err{ background: rgba(156,37,71,.12); border: 1px solid var(--maroon); color: #e08aa2; }

/* ---------------- Footer ---------------- */
.site-footer{ border-top: 1px solid var(--line-soft); background: var(--bg-alt); padding: 70px var(--edge) 30px; margin-top: 60px; }
.footer-top{ display:flex; justify-content:space-between; gap: 40px; flex-wrap:wrap; padding-bottom: 50px; }
.footer-brand{ max-width: 340px; }
.footer-brand .brand{ margin-bottom: 16px; }
.footer-cols{ display:flex; gap: 70px; flex-wrap:wrap; }
.footer-col h4{ font-family: var(--f-mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase; color: var(--muted-2); margin-bottom: 18px; }
.footer-col a{ display:block; color: var(--muted); font-size:.92rem; padding: 6px 0; transition: color .25s; }
.footer-col a:hover{ color: var(--teal); }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap: 12px; padding-top: 26px; border-top: 1px solid var(--line-soft); font-family: var(--f-mono); font-size:.72rem; color: var(--muted-2); letter-spacing:.03em; }
.footer-social{ display:flex; gap: 14px; }
.footer-social a{ width: 38px; height:38px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center; transition: border-color .3s, transform .3s; }
.footer-social a:hover{ border-color: var(--teal); transform: translateY(-3px); }
.footer-social svg{ width:16px; height:16px; }

/* ---------------- Page hero (inner pages) ---------------- */
.page-hero{ padding: 150px var(--edge) 70px; position:relative; overflow:hidden; }
.page-hero .ring-deco{ position:absolute; right:-120px; top: -60px; width: 420px; opacity:.18; }
.page-hero h1{ margin-top: 16px; max-width: 16ch; }
.page-hero .lede{ margin-top: 20px; }

/* misc */
.divider{ height:1px; background: var(--line); margin: 0; border:none; }
.tag-row{ display:flex; gap: 10px; flex-wrap:wrap; margin-top: 22px; }
.pill{ font-family: var(--f-mono); font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; padding: 7px 14px; border-radius:100px; border:1px solid var(--line); color: var(--muted); }