/* ============================================================
   AiNTgreen — Design tokens
   Palette derived from brand mark: engineered green + near-black
   ============================================================ */
:root{
  --green:        #3DA011;
  --green-deep:    #256B0A;
  --green-bright: #74D62E;
  --green-mist:   #E8F3E1;
  --ink:          #0A130D;
  --ink-soft:     #102014;
  --charcoal:     #17241B;
  --paper:        #F7F9F4;
  --paper-dim:    #EEF2E9;
  --slate:        #4B5750;
  --slate-soft:   #7C887F;
  --line:         #DDE4D8;
  --white:        #FFFFFF;

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

  --wrap: 1180px;
  --radius: 14px;
  --ease: cubic-bezier(.22,.8,.28,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
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); margin:0; line-height:1.12; }
p{ margin:0; }
button{ font-family:inherit; cursor:pointer; }

.wrap{ max-width:var(--wrap); margin:0 auto; padding:0 32px; }

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

/* ---------- reveal-on-scroll ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.in{
  opacity:1;
  transform:translateY(0);
}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  padding:18px 0;
  transition:background .35s var(--ease), padding .35s var(--ease), box-shadow .35s var(--ease);
}
.nav-inner{
  max-width:var(--wrap); margin:0 auto; padding:0 32px;
  display:flex; align-items:center; justify-content:space-between;
}
.nav.scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  padding:12px 0;
  box-shadow:0 10px 30px -20px rgba(10,19,13,.22);
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:34px; height:34px; object-fit:contain; }
.brand-word{
  font-family:var(--font-display); font-weight:700; font-size:20px;
  letter-spacing:.01em; color:var(--ink);
}
.brand-word-accent{ color:var(--green-deep); }

.nav-links{ display:flex; align-items:center; gap:30px; }
.nav-links a{
  font-size:14.5px; font-weight:500; color:var(--ink-soft);
  position:relative; padding:6px 0; transition:color .25s;
}
.nav-links a:not(.nav-cta)::after{
  content:''; position:absolute; left:0; bottom:0; height:1.5px; width:0%;
  background:var(--green-deep); transition:width .3s var(--ease);
}
.nav-links a:not(.nav-cta):hover{ color:var(--ink); }
.nav-links a:not(.nav-cta):hover::after{ width:100%; }
.nav-cta{
  background:var(--green); color:var(--white) !important;
  padding:10px 20px; border-radius:999px; font-weight:600;
  transition:background .25s, transform .25s;
}
.nav-cta:hover{ background:var(--green-bright); transform:translateY(-1px); }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; background:none; border:none; padding:0;
}
.nav-toggle span{ display:block; height:2px; width:100%; background:var(--ink); border-radius:2px; transition:transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero{
  position:relative;
  min-height:100vh;
  background:var(--paper);
  color:var(--ink);
  display:flex; align-items:center;
  padding:150px 0 90px;
  overflow:hidden;
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(10,19,13,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,19,13,.03) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(60% 60% at 65% 30%, black, transparent 80%);
  pointer-events:none;
}
.hero-orbit{
  position:absolute; inset:0; width:100%; height:100%;
  pointer-events:none;
}
.orbit-path{
  fill:none; stroke:var(--green); stroke-width:1.4; opacity:.35;
  stroke-dasharray:6 10;
  animation:dash 40s linear infinite;
}
.orbit-path-2{ stroke:var(--green-bright); opacity:.2; animation-duration:55s; animation-direction:reverse; }
@keyframes dash{ to{ stroke-dashoffset:-1000; } }

.hero-content{ position:relative; z-index:2; max-width:760px; }
.eyebrow{
  font-family:var(--font-mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--green-deep); margin-bottom:16px; display:block;
}
.hero-title{
  font-size:clamp(38px, 5.4vw, 66px);
  font-weight:700; letter-spacing:-.01em;
  margin-bottom:22px;
}
.text-accent{ color:var(--green-deep); }
.hero-lede{
  font-size:18px; line-height:1.65; color:var(--ink-soft);
  max-width:640px; margin-bottom:16px;
}
.hero-sub{
  font-size:15.5px; line-height:1.7; color:var(--slate);
  max-width:600px; margin-bottom:34px;
}
.hero-focus{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:38px; }
.pill{
  font-size:13px; font-weight:500; font-family:var(--font-mono);
  border:1px solid rgba(61,160,17,.2); color:var(--green-deep);
  padding:8px 16px; border-radius:999px; background:rgba(61,160,17,.08);
  transition:border-color .25s, color .25s, background .25s;
}
.pill:hover{ border-color:var(--green-bright); color:var(--green-deep); background:rgba(116,214,46,.14); }

.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; }
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:15px 28px; border-radius:10px; font-weight:600; font-size:15px;
  transition:transform .25s var(--ease), background .25s, box-shadow .25s, color .25s;
  border:1px solid transparent;
}
.btn-primary{ background:var(--green); color:var(--white); box-shadow:0 10px 24px -8px rgba(61,160,17,.35); }
.btn-primary:hover{ background:var(--green-bright); transform:translateY(-2px); box-shadow:0 14px 30px -8px rgba(116,214,46,.35); }
.btn-ghost{ border-color:rgba(61,160,17,.25); color:var(--green-deep); }
.btn-ghost:hover{ border-color:var(--green-deep); background:rgba(61,160,17,.08); transform:translateY(-2px); }

.scroll-cue{
  position:absolute; bottom:34px; left:50%; transform:translateX(-50%);
  z-index:2; width:26px; height:42px; border:2px solid rgba(61,160,17,.28);
  border-radius:14px; display:flex; justify-content:center; padding-top:8px;
}
.scroll-cue span{ width:4px; height:8px; border-radius:2px; background:var(--green-deep); animation:cue 1.8s infinite; }
@keyframes cue{ 0%{ opacity:1; transform:translateY(0);} 70%{ opacity:0; transform:translateY(12px);} 100%{opacity:0;} }

/* ============================================================
   SECTION GENERIC
   ============================================================ */
.section{ padding:110px 0; position:relative; }
.section-dark{
  background:var(--paper); color:var(--ink);
}
.section-dark .eyebrow{ color:var(--green-deep); }
.section-title{
  font-size:clamp(28px,3.6vw,42px); font-weight:700; letter-spacing:-.01em;
  margin-bottom:20px; max-width:760px;
}
.section-intro{
  font-size:16.5px; line-height:1.7; color:var(--slate);
  max-width:640px; margin-bottom:56px;
}
.section-dark .section-intro{ color:var(--slate); }
.lead-text{ font-size:18px; line-height:1.65; font-weight:500; color:var(--ink); margin-bottom:18px; }

/* ---------- About ---------- */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.about-copy p{ color:var(--slate); line-height:1.75; font-size:15.5px; }
.about-copy p + p{ margin-top:16px; }
.about-cards{ display:grid; gap:22px; }
.mini-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:28px; transition:transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.mini-card:hover{ transform:translateY(-4px); box-shadow:0 20px 40px -20px rgba(10,19,13,.18); border-color:var(--green); }
.mini-card-icon{
  width:48px; height:48px; border-radius:12px; background:var(--green-mist); color:var(--green-deep);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
}
.mini-card-icon svg{ width:24px; height:24px; }
.mini-card h3{ font-size:18px; margin-bottom:8px; }
.mini-card p{ font-size:14.5px; line-height:1.6; color:var(--slate); }

/* ---------- Stats ---------- */
.stat-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:30px; }
.stat-card{ background:var(--white); border:1px solid var(--line); padding:34px 26px; border-radius:var(--radius); }
.stat-number{
  font-family:var(--font-mono); font-size:clamp(26px,2.6vw,34px); font-weight:600;
  color:var(--green-deep); margin-bottom:12px; letter-spacing:-.02em;
}
.stat-number-text{ font-family:var(--font-display); }
.stat-label{ font-size:14px; line-height:1.6; color:var(--slate); }
.stat-tags{ display:flex; flex-wrap:wrap; gap:12px; }
.stat-tags span{
  font-family:var(--font-mono); font-size:12.5px; padding:9px 16px; border-radius:999px;
  border:1px solid rgba(61,160,17,.2); color:var(--green-deep); background:rgba(61,160,17,.06);
}

/* ---------- Services ---------- */
.service-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.service-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:32px; transition:transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s;
  position:relative; overflow:hidden;
}
.service-card::before{
  content:''; position:absolute; left:0; top:0; height:3px; width:0%;
  background:linear-gradient(90deg,var(--green),var(--green-bright));
  transition:width .4s var(--ease);
}
.service-card:hover{ transform:translateY(-6px); box-shadow:0 24px 48px -24px rgba(10,19,13,.2); border-color:transparent; }
.service-card:hover::before{ width:100%; }
.service-icon{
  width:52px; height:52px; border-radius:14px; background:var(--ink); color:var(--green-bright);
  display:flex; align-items:center; justify-content:center; margin-bottom:20px;
}
.service-icon svg{ width:26px; height:26px; }
.service-card h3{ font-size:19px; margin-bottom:10px; }
.service-card > p{ font-size:14.5px; line-height:1.6; color:var(--slate); margin-bottom:18px; }
.service-list{ display:flex; flex-wrap:wrap; gap:8px; }
.service-list li{
  font-size:12.5px; font-family:var(--font-mono); color:var(--green-deep);
  background:var(--green-mist); padding:6px 11px; border-radius:6px;
}

/* ---------- Industries ---------- */
.industry-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:20px; }
.industry-card{
  background:var(--white); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 22px; transition:transform .3s var(--ease), border-color .3s;
}
.industry-card:hover{ transform:translateY(-4px); border-color:var(--green); }
.industry-card svg{ width:34px; height:34px; color:var(--green-deep); margin-bottom:18px; }
.industry-card h3{ font-size:15.5px; margin-bottom:8px; line-height:1.3; color:var(--ink); }
.industry-card p{ font-size:13px; line-height:1.55; color:var(--slate); }

/* ---------- Ecosystem ---------- */
.ecosystem-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:60px; align-items:center; }
.check-list{ display:grid; gap:12px; margin-top:14px; }
.check-list li{
  position:relative; padding-left:28px; font-size:15px; color:var(--slate); line-height:1.5;
}
.check-list li::before{
  content:''; position:absolute; left:0; top:3px; width:16px; height:16px; border-radius:50%;
  background:var(--green-mist); border:1.5px solid var(--green);
}
.check-list li::after{
  content:''; position:absolute; left:5px; top:7px; width:6px; height:3px;
  border-left:1.5px solid var(--green-deep); border-bottom:1.5px solid var(--green-deep);
  transform:rotate(-45deg);
}
.ecosystem-map{
  background:var(--white); border:1px solid var(--line); border-radius:20px; padding:20px;
}
.eco-path{ stroke:var(--green); stroke-width:1.6; stroke-dasharray:5 7; opacity:.55; animation:dash 30s linear infinite; }
.eco-path-b{ stroke:var(--green-bright); }
.eco-path-c{ opacity:.25; }
.eco-node-ring{ fill:none; stroke:var(--green); stroke-width:1.4; opacity:.5; }
.eco-node-ring-main{ stroke:var(--green-bright); opacity:.8; }
.eco-node-dot{ fill:var(--green-bright); }
.eco-node{ animation:pulseNode 3.4s ease-in-out infinite; transform-origin:center; }
.eco-node:nth-child(5){ animation-delay:.6s; }
.eco-node:nth-child(6){ animation-delay:1.2s; }
@keyframes pulseNode{ 0%,100%{ opacity:1; } 50%{ opacity:.55; } }
.eco-label{ fill:var(--ink); font-family:'Space Grotesk',sans-serif; font-size:14px; font-weight:600; text-anchor:middle; }
.eco-label-main{ fill:var(--green-deep); font-size:15px; }
.eco-sub{ fill:var(--slate); font-family:'IBM Plex Mono',monospace; font-size:10px; text-anchor:middle; }

/* ---------- Leadership ---------- */
.team-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; margin-bottom:56px; }
.team-card{ text-align:left; }
.team-photo{
  position:relative; width:100%; aspect-ratio:1/1; border-radius:16px; overflow:hidden;
  margin-bottom:18px; border:1px solid rgba(255,255,255,.1);
  background:var(--ink-soft);
}
.team-photo::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(200deg, transparent 55%, rgba(10,19,13,.55) 100%);
}
.team-photo img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); }
.team-card:hover .team-photo img{ transform:scale(1.06); }
.team-card h3{ font-size:18px; margin-bottom:4px; color:var(--green-deep); }
.team-role{ font-size:13px; line-height:1.5; color:var(--green-deep); font-weight:600; }
.section-eyebrow-sub{
  font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--slate); margin-bottom:18px;
}
.expertise-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.expertise-tag{
  border:1px solid rgba(61,160,17,.18); border-radius:12px; padding:22px 24px;
  font-family:var(--font-display); font-weight:600; font-size:16px; color:var(--green-deep);
  background:rgba(61,160,17,.06);
  transition:border-color .3s, transform .3s var(--ease);
}
.expertise-tag:hover{ border-color:var(--green-bright); transform:translateY(-3px); }

/* ---------- Partners ---------- */
.collab-grid{ display:flex; flex-wrap:wrap; gap:14px; }
.collab-tag{
  padding:16px 24px; border-radius:999px; background:var(--white); border:1px solid var(--line);
  font-weight:600; font-size:14.5px; color:var(--ink); transition:all .3s var(--ease);
}
.collab-tag:hover{ background:var(--ink); color:var(--white); border-color:var(--ink); transform:translateY(-3px); }

/* ---------- Contact ---------- */
.section-contact{
  background:var(--paper);
  color:var(--ink); overflow:hidden;
}
.contact-wrap{ position:relative; z-index:2; }
.contact-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-bottom:56px; }
.contact-item{
  display:flex; align-items:flex-start; gap:14px; padding:22px; border-radius:var(--radius);
  border:1px solid var(--line); background:var(--white); transition:border-color .3s, transform .3s var(--ease), background .3s;
}
.contact-item:hover{ border-color:var(--green-bright); transform:translateY(-3px); background:var(--green-mist); }
.contact-item svg{ width:26px; height:26px; color:var(--green-deep); flex-shrink:0; margin-top:2px; }
.contact-label{ display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--slate-soft); margin-bottom:4px; }
.contact-value{ display:block; font-size:14.5px; font-weight:600; word-break:break-word; color:var(--ink); }

.contact-form{
  background:var(--white); border:1px solid var(--line); border-radius:20px;
  padding:36px; max-width:760px; backdrop-filter:blur(6px);
}
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:0; }
.contact-form .field:last-of-type{ margin-bottom:22px; }
.field label{ font-size:12.5px; font-family:var(--font-mono); color:var(--slate); }
.field input, .field select, .field textarea{
  background:var(--paper-dim); border:1px solid var(--line); border-radius:8px;
  padding:12px 14px; color:var(--ink); font-family:var(--font-body); font-size:14.5px;
  transition:border-color .25s, background .25s;
}
.field input::placeholder, .field textarea::placeholder{ color:var(--slate-soft); }
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none; border-color:var(--green-deep); background:var(--white);
}
.field select option{ background:var(--white); color:var(--ink); }
.field textarea{ resize:vertical; }
.form-note{ margin-top:14px; font-size:13.5px; color:var(--green-deep); font-family:var(--font-mono); min-height:18px; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer{ background:var(--paper-dim); border-top:1px solid var(--line); padding:40px 0; }
.footer-inner{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:24px; }
.footer-links{ display:flex; flex-wrap:wrap; gap:24px; }
.footer-links a{ font-size:13.5px; color:var(--slate); transition:color .25s; }
.footer-links a:hover{ color:var(--green-deep); }
.footer-copy{ font-size:12.5px; color:var(--slate-soft); width:100%; text-align:center; margin-top:8px; }

.to-top{
  position:fixed; right:24px; bottom:24px; width:46px; height:46px; border-radius:50%;
  background:var(--green); border:none; color:var(--white); display:flex; align-items:center; justify-content:center;
  box-shadow:0 12px 24px -8px rgba(61,160,17,.5); opacity:0; pointer-events:none; transform:translateY(10px);
  transition:opacity .3s, transform .3s; z-index:90;
}
.to-top.show{ opacity:1; pointer-events:auto; transform:translateY(0); }
.to-top svg{ width:20px; height:20px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px){
  .about-grid, .ecosystem-grid{ grid-template-columns:1fr; }
  .service-grid{ grid-template-columns:repeat(2,1fr); }
  .industry-grid{ grid-template-columns:repeat(3,1fr); }
  .stat-grid{ grid-template-columns:repeat(2,1fr); }
  .contact-grid{ grid-template-columns:repeat(2,1fr); }
  .expertise-grid{ grid-template-columns:repeat(2,1fr); }
  .team-grid{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 760px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(320px,80vw);
    background:var(--paper); flex-direction:column; align-items:flex-start; justify-content:center;
    padding:40px 32px; gap:22px; transform:translateX(100%); transition:transform .4s var(--ease);
    box-shadow:-20px 0 60px rgba(0,0,0,.12);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-toggle{ display:flex; }
  .nav-cta{ margin-top:6px; }

  .hero{ padding-top:120px; }
  .service-grid{ grid-template-columns:1fr; }
  .industry-grid{ grid-template-columns:repeat(2,1fr); }
  .stat-grid{ grid-template-columns:1fr; }
  .contact-grid{ grid-template-columns:1fr; }
  .expertise-grid{ grid-template-columns:1fr; }
  .team-grid{ grid-template-columns:1fr 1fr; gap:16px; }
  .form-row{ grid-template-columns:1fr; }
  .footer-inner{ flex-direction:column; text-align:center; }
}