/* ==========================================================================
   ZOVIAL IMPERIUM — Design Tokens
   Palette: obsidian black / emerald / royal blue / silver / white
   Type: Sora (display) + Inter (body) + IBM Plex Mono (data/utility)
   Signature: rotating molecular hex-lattice, echoed as a recurring motif
   ========================================================================== */

:root{
  --bg:            #05070a;
  --bg-alt:        #090d11;
  --bg-panel:      #0d1218;
  --emerald:       #17e0a0;
  --emerald-deep:  #0b6e4f;
  --royal:         #3e6bff;
  --royal-deep:    #16234d;
  --silver:        #aab6c2;
  --white:         #f4f7f6;
  --ink:           #e6ece9;
  --ink-dim:       #8fa0a6;
  --line:          rgba(170,182,194,0.14);
  --radius:        18px;
  --grad-brand:    linear-gradient(120deg, var(--emerald), var(--royal));
  --font-display:  'Sora', sans-serif;
  --font-body:     'Inter', sans-serif;
  --font-mono:     'IBM Plex Mono', monospace;
  --ease:          cubic-bezier(.16,.84,.44,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:var(--font-display);
  color:var(--white);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .6em;
  letter-spacing:-0.01em;
}
h2{ font-size:clamp(1.9rem, 3.4vw, 2.75rem); }
h3{ font-size:1.3rem; }
p{ color:var(--ink-dim); margin:0 0 1em; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
img,svg{ display:block; max-width:100%; }
address{ font-style:normal; color:var(--ink-dim); margin-bottom:1.2em; line-height:1.7; }

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

:focus-visible{ outline:2px solid var(--emerald); outline-offset:3px; }

.container{ max-width:1180px; margin:0 auto; padding:0 24px; }
.center{ text-align:center; }
.eyebrow{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--emerald);
  margin-bottom:.8em;
}
.grad-text{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.pill-row{ display:flex; flex-wrap:wrap; gap:.6rem; margin:1.4rem 0; }
.pill{
  font-family:var(--font-mono);
  font-size:.78rem;
  padding:.45em 1em;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--silver);
  background:rgba(255,255,255,0.02);
}
.fine-print{ color:var(--ink-dim); font-size:.85rem; font-family:var(--font-mono); }

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  padding:.85em 1.7em;
  border-radius:999px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.92rem;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), border-color .3s var(--ease);
}
.btn-primary{
  background:var(--grad-brand);
  color:#04140f;
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 28px -10px rgba(23,224,160,.45); }
.btn-outline{ border-color:var(--line); color:var(--ink); background:transparent; }
.btn-outline:hover{ border-color:var(--emerald); color:var(--emerald); }
.btn-ghost{ border-color:var(--line); color:var(--white); font-size:.85rem; padding:.6em 1.3em; }
.btn-ghost:hover{ border-color:var(--emerald); }

/* ============ Lattice canvas backdrop ============ */
#lattice-canvas{
  position:fixed; inset:0; width:100%; height:100%;
  z-index:0; opacity:.35; pointer-events:none;
}

/* ============ NAV ============ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:50;
  background:rgba(5,7,10,0.7);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1180px; margin:0 auto; padding:0 24px;
  height:72px; display:flex; align-items:center; gap:2rem;
}
.brand{ display:flex; align-items:center; gap:.6rem; margin-right:auto; }
.brand-mark{ width:32px; height:32px; }
.brand-text{
  font-family:var(--font-display); font-weight:700; letter-spacing:.03em;
  color:var(--white); font-size:1.02rem;
}
.brand-text em{ font-style:normal; color:var(--emerald); }
.nav-links{ display:flex; gap:1.8rem; }
.nav-links a{
  font-size:.9rem; color:var(--silver); position:relative; padding:.3em 0;
  transition:color .25s;
}
.nav-links a:hover{ color:var(--white); }
.nav-links a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background:var(--grad-brand); transition:width .3s var(--ease);
}
.nav-links a:hover::after{ width:100%; }
.nav-cta{ white-space:nowrap; }
.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(--white); border-radius:2px; }
.nav-mobile{
  display:none; flex-direction:column; padding:0 24px 1.2rem; gap:.9rem;
  background:rgba(5,7,10,0.96); border-bottom:1px solid var(--line);
}
.nav-mobile a{ color:var(--silver); font-size:.95rem; padding:.4em 0; }

@media (max-width:900px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .nav-mobile.open{ display:flex; }
}

/* ============ HERO ============ */
.hero{
  position:relative; min-height:100vh; display:flex; align-items:center; justify-content:center;
  padding:140px 24px 80px; overflow:hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% -10%, rgba(62,107,255,.18), transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%, rgba(23,224,160,.14), transparent 60%),
    var(--bg);
}
.hero-glow{
  position:absolute; inset:0; z-index:0;
  background:
    linear-gradient(180deg, transparent 0%, rgba(5,7,10,.4) 70%, var(--bg) 100%);
}
.hero-content{ position:relative; z-index:2; max-width:880px; text-align:center; margin:0 auto; }
.hero-title{
  font-size:clamp(2.3rem, 5.4vw, 4.4rem);
  margin-bottom:.5em;
}
.hero-sub{
  font-size:clamp(1rem,1.6vw,1.2rem);
  color:var(--silver);
  max-width:640px; margin:0 auto 2em;
}
.hero-cta{ display:flex; flex-wrap:wrap; gap:1rem; justify-content:center; margin-bottom:3.4rem; }
.hero-stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1.4rem;
  max-width:640px; margin:0 auto;
  border-top:1px solid var(--line); padding-top:2rem;
}
.hero-stats div{ display:flex; flex-direction:column; align-items:center; }
.counter, .dash-static{
  font-family:var(--font-mono); font-size:clamp(1.5rem,3vw,2.1rem); font-weight:600; color:var(--emerald);
}
.hero-stats small{ color:var(--ink-dim); font-size:.75rem; margin-top:.3em; text-align:center; }
.hero-scroll{
  position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.4em;
  font-family:var(--font-mono); font-size:.7rem; color:var(--ink-dim); letter-spacing:.1em; text-transform:uppercase;
  z-index:2;
}
.hero-scroll span{
  width:1px; height:26px; background:linear-gradient(var(--emerald), transparent);
  animation:scrollLine 1.8s infinite;
}
@keyframes scrollLine{ 0%{ opacity:0; transform:translateY(-6px);} 40%{opacity:1;} 100%{opacity:0; transform:translateY(10px);} }

/* ============ SECTIONS ============ */
.section{ position:relative; padding:7.5rem 0; z-index:1; }
.section-alt{ background:var(--bg-alt); }
.section-dark{ background:var(--bg-panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.two-col{ display:grid; grid-template-columns:1.05fr .95fr; gap:4rem; align-items:center; }
@media (max-width:860px){ .two-col{ grid-template-columns:1fr; } }

/* Hex portrait / about visual */
.hex-portrait{ display:flex; justify-content:center; }
.hex-svg{ width:100%; max-width:360px; }
.hex-outline{ fill:none; stroke:url(#gradMark); stroke-width:1.4; opacity:.9; }
.hex-outline.dim{ opacity:.35; }
.hex-orbit{ transform-origin:200px 200px; animation:spin 40s linear infinite; }
.hex-node{ fill:var(--emerald); }
.pulse{ animation:pulse 2.4s ease-in-out infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }
@keyframes pulse{ 0%,100%{ opacity:.5; r:4;} 50%{ opacity:1; r:7;} }

/* Vision / Mission */
.vm-card{
  background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius);
  padding:2.6rem; position:relative; overflow:hidden;
}
.vm-tag{
  display:inline-block; font-family:var(--font-mono); font-size:.78rem; letter-spacing:.12em; text-transform:uppercase;
  color:var(--royal); margin-bottom:1em;
}
.vm-card p{ color:var(--ink); font-size:1.08rem; }

/* Tech cards */
.tech-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; margin-top:3rem; }
@media (max-width:900px){ .tech-grid{ grid-template-columns:1fr; } }
.tech-card{
  background:linear-gradient(160deg, rgba(23,224,160,.06), rgba(62,107,255,.04));
  border:1px solid var(--line); border-radius:var(--radius); padding:2.2rem;
  transition:transform .35s var(--ease), border-color .35s;
}
.tech-card:hover{ transform:translateY(-6px); border-color:rgba(23,224,160,.4); }
.tech-icon{ width:52px; height:52px; color:var(--emerald); margin-bottom:1.2rem; }
.tech-card ul li{ position:relative; padding-left:1.2em; margin-bottom:.5em; color:var(--ink-dim); font-size:.94rem; }
.tech-card ul li::before{ content:''; position:absolute; left:0; top:.55em; width:6px; height:6px; border-radius:50%; background:var(--grad-brand); }
.chain{ font-family:var(--font-mono); font-size:.82rem; color:var(--silver); line-height:2; }
.chain span{ color:var(--emerald); margin:0 .3em; }
.chain-loop{ width:80px; margin:1rem auto 0; color:var(--royal); animation:spin 12s linear infinite; }

/* Problems */
.problem-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; margin-top:3rem; }
@media (max-width:900px){ .problem-grid{ grid-template-columns:1fr; } }
.problem-card{
  background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius); padding:2rem;
}
.problem-card h3{ color:var(--royal); }
.problem-card li{ color:var(--ink-dim); padding:.35em 0; border-bottom:1px solid var(--line); font-size:.94rem; }
.problem-card li:last-child{ border-bottom:none; }

/* Comparison table */
.compare-table{ display:grid; grid-template-columns:1fr 1fr; gap:1.6rem; margin-top:3rem; }
@media (max-width:760px){ .compare-table{ grid-template-columns:1fr; } }
.compare-col{ border-radius:var(--radius); padding:2.4rem; }
.compare-old{ background:rgba(255,255,255,0.02); border:1px solid var(--line); }
.compare-new{ background:linear-gradient(160deg, rgba(23,224,160,.1), rgba(62,107,255,.06)); border:1px solid rgba(23,224,160,.35); }
.compare-col li{ display:flex; align-items:center; gap:.7em; padding:.5em 0; color:var(--ink); font-size:.98rem; }
.ico{ width:22px; height:22px; border-radius:50%; display:inline-flex; align-items:center; justify-content:center; font-size:.8rem; flex:none; }
.ico.check{ background:rgba(23,224,160,.15); color:var(--emerald); }
.ico.cross{ background:rgba(255,255,255,.06); color:var(--ink-dim); }

/* Timeline */
.timeline{ display:grid; grid-template-columns:repeat(5,1fr); gap:1.6rem; margin-top:3rem; position:relative; }
.timeline::before{ content:''; position:absolute; top:8px; left:0; right:0; height:1px; background:var(--line); }
@media (max-width:900px){ .timeline{ grid-template-columns:1fr; } .timeline::before{ display:none; } }
.timeline-item{ position:relative; padding-top:2rem; }
.t-dot{ position:absolute; top:0; left:0; width:16px; height:16px; border-radius:50%; background:var(--grad-brand); box-shadow:0 0 0 4px rgba(23,224,160,.12); }
.timeline-item h4{ font-size:1.02rem; margin-bottom:.4em; }
.timeline-item p{ font-size:.88rem; }

/* India map */
.india-map{ width:100%; max-width:300px; margin:0 auto; }
.map-outline{ fill:rgba(62,107,255,.06); stroke:var(--royal); stroke-width:1.4; }
.map-node{ fill:var(--emerald); }
.impact-stats{ display:flex; gap:2.4rem; margin-top:1.6rem; }
.impact-stat small{ display:block; color:var(--ink-dim); font-size:.8rem; margin-top:.3em; max-width:160px; }

/* Sustainability dashboard */
.dash-grid{ display:grid; grid-template-columns:repeat(6,1fr); gap:1.2rem; margin-top:3rem; }
@media (max-width:900px){ .dash-grid{ grid-template-columns:repeat(2,1fr); } }
.dash-card{
  text-align:center; background:rgba(255,255,255,.02); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.8rem 1rem;
}
.dash-card small{ display:block; color:var(--ink-dim); font-size:.76rem; margin-top:.4em; }

/* Business model flow */
.flow-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; margin-top:3rem; }
@media (max-width:900px){ .flow-grid{ grid-template-columns:repeat(2,1fr); } }
.flow-card{
  background:var(--bg-panel); border:1px solid var(--line); border-radius:14px; padding:1.4rem;
  font-family:var(--font-mono); font-size:.86rem; color:var(--ink); text-align:center;
  transition:border-color .3s, transform .3s;
}
.flow-card:hover{ border-color:var(--emerald); transform:translateY(-3px); }
.flow-card small{ display:block; color:var(--ink-dim); margin-top:.3em; }

/* Tag cloud */
.tag-cloud{ display:flex; flex-wrap:wrap; gap:.8rem; justify-content:center; margin-top:2.6rem; }
.tag-cloud span{
  font-family:var(--font-mono); font-size:.85rem; padding:.6em 1.3em; border-radius:999px;
  border:1px solid var(--line); color:var(--silver);
}

/* Why choose */
.why-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; margin-top:3rem; }
@media (max-width:900px){ .why-grid{ grid-template-columns:repeat(2,1fr); } }
.why-card{
  background:linear-gradient(160deg, rgba(23,224,160,.05), transparent);
  border:1px solid var(--line); border-radius:14px; padding:1.4rem; text-align:center;
  font-size:.9rem; color:var(--ink);
}

/* Roadmap */
.roadmap{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; margin-top:3rem; }
@media (max-width:860px){ .roadmap{ grid-template-columns:1fr; } }
.road-step{ background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius); padding:2rem; }
.road-year{ font-family:var(--font-mono); color:var(--royal); font-size:.8rem; letter-spacing:.1em; }

/* ESG */
.esg-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.6rem; margin-top:3rem; }
@media (max-width:860px){ .esg-grid{ grid-template-columns:1fr; } }
.esg-card{ background:rgba(255,255,255,.02); border:1px solid var(--line); border-radius:var(--radius); padding:2rem; }
.esg-card h3{ color:var(--emerald); }
.esg-card li{ color:var(--ink-dim); padding:.3em 0; font-size:.92rem; }

/* Certifications */
.cert-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.2rem; margin-top:3rem; }
@media (max-width:860px){ .cert-grid{ grid-template-columns:repeat(2,1fr); } }
.cert-card{ text-align:center; border:1px solid var(--line); border-radius:14px; padding:1.6rem; background:var(--bg-panel); }
.cert-card h4{ color:var(--emerald); font-size:.95rem; margin-bottom:.4em; }
.cert-card p{ font-family:var(--font-mono); font-size:.82rem; color:var(--ink); margin:0; }

/* Investors */
.investor-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.4rem; margin-top:3rem; }
@media (max-width:900px){ .investor-grid{ grid-template-columns:1fr; } }
.investor-point{ border-left:2px solid var(--emerald); padding:.2em 0 .2em 1.2rem; }
.investor-point h4{ font-size:1.02rem; }
.investor-point p{ font-size:.9rem; }

/* Contact */
.contact-form{ display:flex; flex-direction:column; gap:1.1rem; background:var(--bg-panel); border:1px solid var(--line); border-radius:var(--radius); padding:2rem; }
.contact-form label{ font-size:.85rem; color:var(--silver); display:flex; flex-direction:column; gap:.5em; }
.contact-form input, .contact-form textarea, .contact-form select{
  font-family:var(--font-body); font-size:.95rem; padding:.8em 1em; background:rgba(255,255,255,.03);
  border:1px solid var(--line); border-radius:10px; color:var(--white); resize:vertical;
}
.contact-form select{ appearance:auto; }
.contact-form select option{ background:var(--bg-panel); color:var(--white); }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus{ border-color:var(--emerald); outline:none; }
.form-note{ font-size:.85rem; color:var(--emerald); min-height:1.2em; }
.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--line); margin-top:1rem; }
.map-embed iframe{ width:100%; height:240px; border:0; filter:grayscale(.3) invert(.92) contrast(.9); }

/* Footer */
.footer{ background:var(--bg-alt); border-top:1px solid var(--line); padding:4.5rem 0 2rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem; }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; } }
.footer .brand{ margin-bottom:1rem; }
.footer-tag{ font-size:.85rem; max-width:280px; }
.footer-links{ display:flex; flex-direction:column; gap:.7rem; }
.footer-links a{ color:var(--ink-dim); font-size:.88rem; }
.footer-links a:hover{ color:var(--emerald); }
.footer-copy{ text-align:center; color:var(--ink-dim); font-size:.78rem; margin-top:3rem; font-family:var(--font-mono); }

/* Reveal animation (JS toggles .in) */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }