/* =========================================================
   SeedEdge Solutions — Design Tokens
   ========================================================= */
:root{
  --bg-void:        #ffffff;
  --bg-black:       #ffffff;
  --bg-surface:     #f8fafc;
  --bg-surface-2:   #eef5f1;

  --glass-fill:     rgba(255,255,255,0.75);
  --glass-border:   rgba(16,185,129,0.15);

  --emerald:        #10b981;
  --emerald-bright: #059669;
  --emerald-dim:    #047857;
  --accent-cyan:    #0ea5e9;

  --text-primary:   #111827;
  --text-secondary: #4b5563;
  --text-muted:     #6b7280;

  --line-soft:      rgba(16,185,129,0.25);
}
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; }
}

body{
  margin:0;
  background:var(--bg-black);
  color:var(--text-primary);
  font-family:var(--font-body);
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; margin:0; letter-spacing:-0.02em; }
p{ margin:0 0 1em; color:var(--text-secondary); }
p:last-child{ margin-bottom:0; }

:focus-visible{
  outline:2px solid var(--emerald-bright);
  outline-offset:3px;
  border-radius:4px;
}

/* =========================================================
   Background layers
   ========================================================= */
.bg-grid{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background-image:
    linear-gradient(rgba(52,211,153,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(52,211,153,0.06) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%, black 30%, transparent 75%);
  animation:gridDrift 40s linear infinite;
}
@keyframes gridDrift{
  from{ background-position:0 0, 0 0; }
  to{ background-position:56px 112px, 112px 56px; }
}

#particles{
  position:fixed; inset:0; z-index:0; pointer-events:none; opacity:0.55;
}

.growth-line{
  position:absolute; top:1250px; left:50%; transform:translateX(-50%);
  width:100%; max-width:1400px; height:3000px; z-index:0; pointer-events:none; opacity:0.5;
}
.growth-line svg{ width:100%; height:100%; }
.growth-line path{
  fill:none;
  stroke:var(--emerald);
  stroke-width:0.35;
  opacity:0.5;
  stroke-dasharray:6 10;
}

/* =========================================================
   Navbar
   ========================================================= */
.navbar{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,0.05);
  transition:background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.navbar.scrolled{
  background:rgba(255,255,255,0.98);
  border-bottom-color:rgba(52,211,153,0.15);
}
.nav-inner{
  max-width:1280px; margin:0 auto; padding:14px 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:60px; height:60px; object-fit:contain; }
.brand-name{ font-family:var(--font-display); font-size:1.05rem; font-weight:600; letter-spacing:0.01em; display:flex; flex-direction:column; line-height:1.1; }
.brand-sub{ font-family:var(--font-mono); font-size:0.55rem; letter-spacing:0.18em; color:var(--emerald-bright); text-transform:uppercase; font-weight:500; }

.nav-links{ display:flex; align-items:center; gap:34px; }
.nav-links a{
  font-size:0.9rem; color:var(--text-secondary); position:relative; padding:4px 0;
  transition:color 0.25s var(--ease);
}
.nav-links a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px; background:var(--emerald-bright);
  transition:width 0.3s var(--ease);
}
.nav-links a:not(.nav-cta):hover{ color:var(--text-primary); }
.nav-links a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  border:1px solid var(--line-soft); padding:9px 20px; border-radius:100px;
  color:var(--emerald-bright) !important; font-size:0.85rem;
  transition:background 0.25s var(--ease), color 0.25s var(--ease);
}
.nav-cta:hover{ background:var(--emerald-bright); color:var(--bg-black) !important; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:8px; }
.nav-toggle span{ width:22px; height:1.5px; background:var(--text-primary); transition:transform 0.25s var(--ease), opacity 0.25s var(--ease); }

/* =========================================================
   Layout helpers
   ========================================================= */
.section{ position:relative; z-index:1; padding:130px 32px; }
.section-alt{ background:linear-gradient(180deg, transparent, rgba(16,185,129,0.03) 40%, transparent); }
.section-inner{ max-width:1180px; margin:0 auto; }

.eyebrow{
  font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.24em; text-transform:uppercase;
  color:var(--emerald-bright); margin:0 0 16px; display:flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:''; width:22px; height:1px; background:var(--emerald-bright); display:inline-block; }
.section-title{ font-size:clamp(1.8rem, 3.4vw, 2.6rem); max-width:720px; margin-bottom:20px; }
.sub-title{ font-family:var(--font-display); font-size:1.3rem; margin:56px 0 24px; color:var(--text-primary); }

/* =========================================================
   Hero
   ========================================================= */
.hero{
  position:relative; z-index:1; min-height:100vh;
  display:flex; align-items:center; padding:140px 32px 80px;
  overflow:hidden;
}
.hero-inner{ max-width:760px; }
.hero-title{ font-size:clamp(2.4rem, 6vw, 4.4rem); line-height:1.05; margin-bottom:24px; }
.text-gradient{
  background:linear-gradient(100deg, var(--emerald-bright), var(--accent-cyan));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-sub{ font-size:1.15rem; color:var(--text-primary); max-width:600px; margin-bottom:14px; }
.hero-desc{ font-size:0.98rem; max-width:560px; margin-bottom:36px; }
.hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; }

.hero-mark{
  position:absolute; right:-6%; top:50%; transform:translateY(-50%);
  width:min(46vw, 620px); opacity:0.9; z-index:-1;
  filter:drop-shadow(0 0 80px rgba(16,185,129,0.25));
}
.hero-logo{ width:100%; animation:float 8s ease-in-out infinite; }
@keyframes float{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(-18px);} }

.btn{
  display:inline-flex; align-items:center; gap:8px; padding:14px 28px; border-radius:100px;
  font-size:0.92rem; font-weight:500; transition:transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), color .25s var(--ease);
  border:1px solid transparent;
}
.btn-primary{ background:var(--emerald-bright); color:#04140e; }
.btn-primary:hover{ transform:translateY(-2px); background:#5eead4; }
.btn-ghost{ border-color:rgba(255,255,255,0.15); color:var(--text-primary); }
.btn-ghost:hover{ border-color:var(--emerald-bright); color:var(--emerald-bright); transform:translateY(-2px); }

.scroll-cue{
  position:absolute; bottom:36px; left:32px; width:24px; height:40px; border-radius:100px;
  border:1px solid rgba(255,255,255,0.2); display:flex; justify-content:center; padding-top:8px;
}
.scroll-cue span{ width:4px; height:8px; border-radius:2px; background:var(--emerald-bright); animation:scrollCue 1.8s ease infinite; }
@keyframes scrollCue{ 0%{ opacity:1; transform:translateY(0);} 100%{ opacity:0; transform:translateY(14px);} }

/* =========================================================
   Glass cards
   ========================================================= */
.glass-card{
  background:var(--glass-fill);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  padding:36px;
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-soft);
}

.vision-grid{ display:grid; grid-template-columns:1fr 1fr; gap:28px; }
.vision-statement{ background:linear-gradient(160deg, rgba(16,185,129,0.1), rgba(20,28,24,0.55)); }
.statement-line{ font-family:var(--font-display); font-size:1.3rem; color:var(--text-primary); margin-bottom:6px; }
.statement-highlight{ color:var(--emerald-bright); }
.statement-footer{ margin-top:18px; font-family:var(--font-mono); font-size:0.8rem; color:var(--emerald-bright); letter-spacing:0.03em; }

/* =========================================================
   Innovation Areas
   ========================================================= */
.innovation-grid{ display:grid; grid-template-columns:repeat(4, 1fr); gap:18px; margin-top:40px; }
.tile{
  position:relative; padding:26px 20px; border-radius:var(--radius-md);
  background:var(--bg-surface); border:1px solid rgba(255,255,255,0.06);
  transition:transform 0.3s var(--ease), border-color 0.3s var(--ease), background 0.3s var(--ease);
  overflow:hidden;
}
.tile::before{
  content:''; position:absolute; inset:0; opacity:0;
  background:radial-gradient(180px circle at var(--mx,50%) var(--my,50%), rgba(52,211,153,0.16), transparent 70%);
  transition:opacity 0.3s var(--ease);
}
.tile:hover{ transform:translateY(-6px); border-color:var(--line-soft); background:var(--bg-surface-2); }
.tile:hover::before{ opacity:1; }
.tile-icon{ width:30px; height:30px; margin-bottom:16px; color:var(--emerald-bright); position:relative; z-index:1; }
.tile-icon svg{ width:100%; height:100%; }
.tile-name{ font-family:var(--font-display); font-size:0.98rem; color:var(--text-primary); position:relative; z-index:1; }

/* =========================================================
   Research grid
   ========================================================= */
.research-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:22px; margin:40px 0 22px; }
.research-card{
  padding:32px; border-radius:var(--radius-md); background:var(--bg-surface);
  border:1px solid rgba(255,255,255,0.06); transition:border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.research-card:hover{ border-color:var(--line-soft); transform:translateY(-4px); }
.research-num{ font-family:var(--font-mono); font-size:0.75rem; color:var(--emerald-dim); letter-spacing:0.1em; }
.research-card h3{ font-size:1.1rem; margin:14px 0 10px; color:var(--text-primary); }
.research-card p{ font-size:0.92rem; }
.partnership-card{ text-align:center; }
.partnership-card h3{ color:var(--emerald-bright); margin-bottom:12px; font-size:1.15rem; }

/* =========================================================
   Projects — ODK Station
   ========================================================= */
.project-tagline{ font-size:1.2rem; color:var(--text-primary); max-width:640px; margin-bottom:24px; }
.badges{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:30px; }
.badge{
  font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.06em; text-transform:uppercase;
  padding:8px 16px; border-radius:100px; border:1px solid var(--line-soft); color:var(--emerald-bright);
}
.badge-status{ margin-bottom:14px; display:inline-block; }
.project-copy{ max-width:760px; margin-bottom:36px; }
.project-copy p{ font-size:0.98rem; }

.check-list{ margin-top:16px; display:grid; grid-template-columns:1fr 1fr; gap:10px 24px; }
.check-list li{ position:relative; padding-left:22px; font-size:0.92rem; color:var(--text-secondary); }
.check-list li::before{ content:'—'; position:absolute; left:0; color:var(--emerald-bright); }

.architecture-flow{ display:flex; align-items:center; flex-wrap:wrap; gap:0; margin-top:24px; }
.arch-node{
  padding:16px 22px; border-radius:var(--radius-sm); background:var(--bg-surface);
  border:1px solid rgba(255,255,255,0.08); font-family:var(--font-mono); font-size:0.82rem;
  color:var(--text-primary); white-space:nowrap;
}
.arch-arrow{ color:var(--emerald-bright); font-size:1.1rem; margin:0 14px; }

.capabilities-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:24px; }
.cap-item{
  padding:18px; border-radius:var(--radius-sm); background:var(--bg-surface);
  border:1px solid rgba(255,255,255,0.06); font-size:0.86rem; color:var(--text-secondary);
  text-align:center; transition:border-color 0.3s var(--ease), color 0.3s var(--ease);
}
.cap-item:hover{ border-color:var(--line-soft); color:var(--text-primary); }

.status-card{ margin-top:40px; }

.future-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:24px; }
.future-card{
  padding:28px 22px; border-radius:var(--radius-md); background:var(--bg-surface);
  border:1px solid rgba(255,255,255,0.06); transition:transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.future-card:hover{ transform:translateY(-4px); border-color:var(--line-soft); }
.future-card h4{ font-size:1rem; color:var(--text-primary); margin-bottom:14px; }
.future-status{
  font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--emerald-bright); border:1px solid var(--line-soft); border-radius:100px; padding:5px 12px; display:inline-block;
}

/* =========================================================
   Roadmap Timeline
   ========================================================= */
.timeline{ position:relative; margin-top:50px; padding-left:36px; }
.timeline::before{ content:''; position:absolute; left:6px; top:6px; bottom:6px; width:1px; background:linear-gradient(var(--emerald), transparent); }
.timeline-year{ position:relative; padding-bottom:52px; }
.timeline-year:last-child{ padding-bottom:0; }
.timeline-year::before{
  content:''; position:absolute; left:-36px; top:4px; width:13px; height:13px; border-radius:50%;
  background:var(--bg-black); border:2px solid var(--emerald-bright); box-shadow:0 0 0 4px rgba(52,211,153,0.12);
}
.timeline-year h3{ font-size:1.6rem; color:var(--emerald-bright); margin-bottom:16px; }
.timeline-items{ display:flex; flex-wrap:wrap; gap:12px; }
.timeline-item{
  padding:10px 18px; border-radius:100px; background:var(--bg-surface); border:1px solid rgba(255,255,255,0.08);
  font-size:0.88rem; color:var(--text-secondary);
}

/* =========================================================
   Team + Why
   ========================================================= */
.team-card{ display:flex; align-items:center; gap:36px; margin-bottom:60px; }
.team-illustration{ width:200px; flex-shrink:0; }
.why-eyebrow{ margin-top:0; }
.why-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
.why-item{
  padding:24px 20px; border-radius:var(--radius-md); background:var(--bg-surface);
  border:1px solid rgba(255,255,255,0.06); text-align:center; font-size:0.92rem; color:var(--text-primary);
  transition:border-color 0.3s var(--ease), transform 0.3s var(--ease);
}
.why-item:hover{ transform:translateY(-4px); border-color:var(--line-soft); }

/* =========================================================
   Contact
   ========================================================= */
.contact-copy{ max-width:680px; font-size:1rem; margin-bottom:44px; }
.contact-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.contact-card{ padding:26px 28px; }
.contact-label{ display:block; font-family:var(--font-mono); font-size:0.7rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-muted); margin-bottom:10px; }
.contact-card a{ font-size:1.02rem; color:var(--text-primary); transition:color 0.25s var(--ease); }
.contact-card a:hover{ color:var(--emerald-bright); }

/* =========================================================
   Footer
   ========================================================= */
.footer{ position:relative; z-index:1; padding:70px 32px 40px; text-align:center; border-top:1px solid rgba(255,255,255,0.05); }
.footer-logo{ width:40px; margin:0 auto 16px; }
.footer h3{ font-size:1.2rem; margin-bottom:8px; }
.footer-tagline{ color:var(--emerald-bright); font-size:0.95rem; margin-bottom:6px; }
.footer-pillars{ font-family:var(--font-mono); font-size:0.72rem; letter-spacing:0.1em; color:var(--text-muted); margin-bottom:20px; }
.footer-copy{ font-size:0.8rem; color:var(--text-muted); }

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .innovation-grid{ grid-template-columns:repeat(3,1fr); }
  .research-grid{ grid-template-columns:repeat(2,1fr); }
  .capabilities-grid{ grid-template-columns:repeat(3,1fr); }
  .future-grid{ grid-template-columns:repeat(2,1fr); }
  .why-grid{ grid-template-columns:repeat(2,1fr); }
  .vision-grid{ grid-template-columns:1fr; }
  .hero-mark{ opacity:0.35; width:70vw; }
}

@media (max-width:768px){
  .nav-links{
    position:fixed; top:64px; left:0; right:0; flex-direction:column; align-items:flex-start; gap:0;
    background:rgba(9,12,11,0.97); backdrop-filter:blur(20px); padding:12px 32px 24px;
    transform:translateY(-120%); opacity:0; transition:transform 0.35s var(--ease), opacity 0.35s var(--ease);
    border-bottom:1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open{ transform:translateY(0); opacity:1; }
  .nav-links a{ width:100%; padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.04); }
  .nav-cta{ margin-top:12px; text-align:center; }
  .nav-toggle{ display:flex; }

  .section{ padding:90px 20px; }
  .research-grid, .innovation-grid, .capabilities-grid, .future-grid, .why-grid{ grid-template-columns:repeat(2,1fr); }
  .check-list{ grid-template-columns:1fr; }
  .team-card{ flex-direction:column; text-align:center; }
  .contact-grid{ grid-template-columns:1fr; }
  .architecture-flow{ flex-direction:column; align-items:flex-start; }
  .arch-arrow{ transform:rotate(90deg); margin:8px 0 8px 20px; }
  .hero-mark{ display:none; }
}

@media (max-width:480px){
  .research-grid, .innovation-grid, .capabilities-grid, .future-grid, .why-grid{ grid-template-columns:1fr; }
}