/* NatureAI Solutions - site v2 */
:root {
  --bg:#0a1613; --bg2:#0e1a15; --svc:#10241d; --cardbg:#173428; --cardbd:rgba(179,232,208,.20);
  --lp:#eef4ef; --tst:#10241d; --contact:#0f241b; --bd:rgba(255,255,255,.09);
  --green:#039d53; --green2:#00bf63; --pale:#b3e8d0; --light:#eef4f0; --muted:#9db8ab;
  --ink:#14342a; --ink-muted:#54655c; --maxw:1140px;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:'Aptos','Inter',system-ui,-apple-system,'Segoe UI',sans-serif; background:var(--bg); color:var(--light); line-height:1.65; font-size:17px; -webkit-font-smoothing:antialiased; }
h1,h2,h3 { line-height:1.1; letter-spacing:-0.02em; font-weight:800; }
.wrap { max-width:var(--maxw); margin:0 auto; padding:0 34px; }
a { text-decoration:none; }
img { max-width:100%; }

/* Buttons */
.btn { display:inline-block; padding:15px 30px; border-radius:12px; font-weight:600; font-size:15px; cursor:pointer; transition:transform .16s ease, box-shadow .16s ease, background .16s ease, color .16s ease, border-color .16s ease; }
.btn.p { background:linear-gradient(135deg,var(--green),var(--green2)); color:#fff; box-shadow:0 10px 30px rgba(0,191,99,.28); }
.btn.p:hover { transform:translateY(-3px); box-shadow:0 18px 42px rgba(0,191,99,.5); }
.btn.g { color:var(--pale); border:1px solid rgba(179,232,208,.4); }
.btn.g:hover { background:rgba(0,191,99,.16); border-color:var(--green2); color:#fff; transform:translateY(-3px); }
.btn.ghost-dark { color:var(--green); border:1px solid rgba(0,191,99,.4); }
.btn.ghost-dark:hover { background:rgba(0,191,99,.1); color:var(--green); transform:translateY(-3px); }

section { padding:112px 0; }
.kick { font-size:13px; letter-spacing:.16em; text-transform:uppercase; font-weight:700; margin-bottom:14px; }
h2.big { font-size:clamp(30px,4.2vw,48px); margin-bottom:16px; }

/* Header / nav */
header.site { position:absolute; top:0; left:0; right:0; z-index:20; border-bottom:1px solid rgba(255,255,255,.22); }
header.solid { position:sticky; background:rgba(10,22,19,.92); backdrop-filter:blur(10px); }
.nav { display:flex; align-items:center; justify-content:space-between; padding:18px 34px; max-width:var(--maxw); margin:0 auto; }
.nav .brand img { height:88px; width:auto; }
.nav ul { display:flex; gap:30px; list-style:none; align-items:center; }
.nav .link { position:relative; color:#eef4f0; font-size:15px; padding:4px 0; }
.nav .link::after { content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0; background:var(--green2); transition:width .2s ease; }
.nav .link:hover::after { width:100%; }
.nav .btn.p { padding:13px 24px; }
.nav-toggle { display:none; background:none; border:1px solid var(--bd); color:var(--light); border-radius:8px; padding:8px 12px; cursor:pointer; }

/* Hero */
.hero { min-height:96vh; display:flex; align-items:center; padding:170px 0 90px;
  background:linear-gradient(105deg,rgba(10,22,19,.82) 30%,rgba(10,22,19,.45) 100%),linear-gradient(180deg,rgba(10,22,19,.30),rgba(10,22,19,.85)),url('https://images.unsplash.com/photo-1523712999610-f77fbcfc3843?auto=format&fit=crop&w=2000&q=75') center/cover; }
.hero.plain { min-height:auto; padding:150px 0 84px; background:radial-gradient(800px 420px at 82% -10%,rgba(0,191,99,.16),transparent 60%),linear-gradient(180deg,var(--bg2),var(--bg)); }
.eyebrow { display:inline-block; font-size:12.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--pale); background:rgba(6,37,26,.55); border:1px solid rgba(179,232,208,.32); padding:8px 17px; border-radius:999px; margin-bottom:26px; }
.hero h1 { font-size:clamp(42px,6.2vw,72px); margin-bottom:22px; max-width:900px; color:#fff; text-shadow:0 2px 26px rgba(0,0,0,.4); }
.hero h1 span { color:var(--green2); }
.hero p.lead { font-size:20px; color:#e0eae5; max-width:640px; margin-bottom:38px; text-shadow:0 2px 18px rgba(0,0,0,.4); }
.btns { display:flex; gap:16px; flex-wrap:wrap; align-items:center; }
.cta-note { font-size:14px; color:var(--muted); margin-top:16px; }

/* Light sections */
.lsec { background:var(--lp); }
.lsec .kick { color:var(--green); } .lsec h2 { color:var(--ink); } .lsec .sub { color:var(--ink-muted); font-size:18px; max-width:640px; margin-bottom:46px; }
.lcard { background:#fff; border:1px solid #d9e3dc; border-radius:18px; padding:30px; transition:border-color .2s ease, box-shadow .2s ease; }
.lcard:hover { border-color:var(--green2); box-shadow:0 0 0 1px rgba(0,191,99,.35); }
.lcard h3 { color:var(--ink); font-size:20px; margin-bottom:10px; }
.lcard p { color:var(--ink-muted); font-size:15px; }
.lcard .ic { width:48px; height:48px; border-radius:12px; display:flex; align-items:center; justify-content:center; background:#e2f0e9; border:1px solid #cfe3d8; margin-bottom:18px; }
.lcard .tagl { display:inline-block; font-size:12px; font-weight:700; color:#0c5e39; background:#dcece3; border-radius:999px; padding:4px 12px; margin-bottom:14px; }
.lcard ul { margin:12px 0 0 18px; color:var(--ink-muted); font-size:14.5px; } .lcard ul li { margin-bottom:5px; }
.lcard .out { margin-top:14px; color:var(--ink); font-size:14.5px; font-weight:600; }
.grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid2 { display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }

/* Services (dark) */
.services { background:var(--svc); }
.services .kick { color:var(--green2); } .services h2 { color:#fff; } .services .sub { color:var(--muted); font-size:18px; max-width:640px; margin-bottom:46px; }
.card { background:var(--cardbg); border:1px solid var(--cardbd); border-radius:18px; padding:34px; transition:border-color .2s ease, box-shadow .2s ease; }
.card:hover { background:#1b3c30; border-color:rgba(0,191,99,.55); }
.card .num { display:block; font-size:15px; font-weight:800; letter-spacing:.1em; color:#00bf63; margin-bottom:16px; }
.card h3 { font-size:21px; margin-bottom:10px; color:#fff; }
.card p { color:#b6c8bf; font-size:15.5px; }
.card .tag { display:inline-block; font-size:12.5px; color:var(--pale); background:rgba(0,191,99,.1); border:1px solid var(--cardbd); border-radius:999px; padding:4px 12px; margin-bottom:14px; }
.card ul { margin:12px 0 0 18px; color:var(--muted); font-size:15px; } .card ul li { margin-bottom:6px; }
.small { font-size:14px; color:var(--muted); }
.services .small { margin-top:34px; }

/* Image band */
.imgband { position:relative; padding:150px 0; text-align:center; background-size:cover; background-position:center; background-attachment:fixed; }
.imgband h2 { font-size:clamp(28px,3.6vw,40px); max-width:820px; margin:0 auto; color:#fff; }

/* About */
.about .a2 { display:grid; grid-template-columns:230px 1fr; gap:48px; align-items:start; }
.about .portrait { width:100%; aspect-ratio:4/5; border-radius:18px; overflow:hidden; background:#cfe0d6; }
.about .portrait img { width:100%; height:100%; object-fit:cover; }
.about h2 { margin-bottom:18px; } .about .intro { color:#3f5049; font-size:18px; margin-bottom:20px; }
.cred { display:flex; gap:12px; margin-top:16px; } .cred svg { flex:0 0 18px; margin-top:4px; }
.cred p { color:var(--ink-muted); font-size:15.5px; } .cred b { color:var(--ink); }

/* Testimonials */
.tsec { background:var(--tst); }
.tsec .kick { color:var(--green2); } .tsec h2 { color:#fff; }
.carousel { position:relative; max-width:900px; margin:44px auto 0; }
.track-w { overflow:hidden; } .track { display:flex; transition:transform .5s cubic-bezier(.4,0,.2,1); }
.slide { flex:0 0 100%; padding:10px 20px; text-align:center; }
.slide blockquote { font-size:20px; color:#f2f8f4; line-height:1.55; font-weight:500; max-width:640px; margin:0 auto; }
.slide blockquote .mk { color:var(--green2); font-family:Georgia,serif; font-size:26px; line-height:0; vertical-align:-5px; }
.slide .who { margin-top:22px; color:var(--muted); font-size:15px; } .slide .who b { color:var(--green2); }
.cbtn { position:absolute; top:36%; z-index:5; width:50px; height:50px; border-radius:50%; border:1px solid var(--bd); background:rgba(255,255,255,.06); color:#fff; font-size:22px; cursor:pointer; transition:.15s; }
.cbtn:hover { border-color:var(--green2); background:rgba(0,191,99,.16); } .cbtn.prev{left:-16px;} .cbtn.next{right:-16px;}
.dots { display:flex; gap:10px; justify-content:center; margin-top:30px; } .dot { width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.22); border:none; cursor:pointer; } .dot.on { background:var(--green2); width:26px; border-radius:6px; }

/* FAQ */
.faq details { border:1px solid #d7e2db; border-radius:12px; margin-bottom:12px; background:#fff; overflow:hidden; }
.faq summary { cursor:pointer; padding:18px 22px; font-weight:700; color:var(--ink); list-style:none; position:relative; padding-right:46px; font-size:16.5px; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; position:absolute; right:20px; top:50%; transform:translateY(-50%); color:var(--green); font-size:24px; }
.faq details[open] summary::after { content:"\2013"; }
.faq details .a { padding:0 22px 18px; color:var(--ink-muted); font-size:15.5px; }

/* Contact */
.contact { background:var(--contact); }
.contact .c2 { display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
.contact .kick { color:var(--green2); } .contact h2 { color:#fff; margin-bottom:16px; }
.contact .intro { color:var(--muted); font-size:18px; margin-bottom:22px; }
.contact .note { color:var(--muted); font-size:15px; } .contact .note a { color:var(--pale); font-weight:600; }
.form { background:rgba(255,255,255,.03); border:1px solid var(--bd); border-radius:18px; padding:30px; }
.field { margin-bottom:15px; } .row2 { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.field label { display:block; font-size:13px; color:var(--pale); margin-bottom:6px; }
.field input, .field textarea { width:100%; padding:12px 14px; font-size:15px; font-family:inherit; color:var(--light); background:rgba(255,255,255,.05); border:1px solid var(--bd); border-radius:10px; }
.field input:focus, .field textarea:focus { outline:none; border-color:var(--green2); box-shadow:0 0 0 3px rgba(0,191,99,.15); }
.form .btn { width:100%; text-align:center; margin-top:4px; }
.form-status { font-size:14px; margin:12px 0 0; min-height:18px; text-align:center; } .form-status.ok { color:var(--green2); } .form-status.err { color:#ff8a8a; }

/* Price / steps / ladder (AI policy page) */
.price-hero { max-width:720px; margin:0 auto; text-align:center; padding:60px 56px; border-radius:20px; background:#173428; border:1px solid var(--cardbd); }
.price-hero .price-label { color:var(--pale); font-size:16px; letter-spacing:.02em; margin-bottom:12px; }
.price-hero .amount { font-size:64px; color:#fff; font-weight:800; line-height:1; }
.price-hero .amount span { display:block; font-size:15px; color:var(--muted); font-weight:400; margin-top:10px; }
.price-hero .price-note { display:inline-block; margin-top:24px; padding:10px 20px; border-radius:999px; background:rgba(0,191,99,.12); border:1px solid var(--cardbd); color:var(--pale); font-size:16px; }
.steps { counter-reset:step; } .step { display:flex; gap:20px; margin-bottom:26px; align-items:flex-start; }
.step .n { counter-increment:step; flex:0 0 44px; height:44px; border-radius:50%; background:linear-gradient(135deg,var(--green),var(--green2)); display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; font-size:18px; }
.step .n::before { content:counter(step); }
.step h3 { color:#fff; font-size:18px; margin-bottom:6px; } .step p { color:var(--muted); font-size:15.5px; }
.lsec .step h3 { color:var(--ink); } .lsec .step p { color:var(--ink-muted); }
.ladder .card.feature { border-color:var(--green2); position:relative; }
.ladder .card.feature::before { content:"Start here"; position:absolute; top:-12px; left:24px; background:linear-gradient(135deg,var(--green),var(--green2)); color:#fff; font-size:12px; font-weight:700; padding:4px 12px; border-radius:999px; }
.ladder .card.tier { position:relative; }
.ladder .card.tier::before { content:attr(data-tab); position:absolute; top:-12px; left:24px; z-index:2; background:#123226; border:1px solid rgba(0,191,99,.45); color:var(--pale); font-size:12px; font-weight:700; padding:5px 13px; border-radius:999px; }

/* Light price card */
.price-card { max-width:520px; margin:0 auto; padding:44px; border-radius:20px; background:#fff; border:1px solid #d9e3dc; text-align:center; }
.price-card .plabel { color:var(--green); font-size:16px; margin-bottom:8px; }
.price-card .amount { font-size:60px; color:var(--ink); font-weight:800; line-height:1; }
.price-card .amount span { font-size:15px; color:var(--ink-muted); font-weight:400; }
.price-card .pnote { display:inline-block; margin-top:16px; padding:9px 18px; border-radius:999px; background:#e2f0e9; border:1px solid #cfe3d8; color:#0c5e39; font-size:16px; }
.price-card .sub { color:var(--ink-muted); }

/* Prose (privacy) */
.prose { max-width:760px; } .prose h1 { font-size:36px; color:#fff; margin-bottom:8px; }
.prose h2 { font-size:22px; color:#fff; margin:34px 0 10px; }
.prose p, .prose li { color:var(--muted); font-size:16px; } .prose ul { margin:10px 0 10px 22px; } .prose strong { color:var(--light); } .prose a { color:var(--pale); }

/* Footer */
footer.site { background:var(--bg); border-top:1px solid var(--bd); padding:40px 0; }
footer.site .wrap { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:24px; }
footer.site img { height:76px; justify-self:start; }
footer .mid { justify-self:center; text-align:center; color:var(--muted); font-size:14px; }
footer .fl { justify-self:end; display:flex; gap:10px; } footer .fl a { color:var(--pale); font-size:13px; border:1px solid var(--bd); padding:8px 14px; border-radius:8px; } footer .fl a:hover { border-color:var(--green2); color:#fff; }

.mt-l { margin-top:40px; } .center { text-align:center; }

@media(max-width:860px){
  .grid3,.grid2,.about .a2,.contact .c2 { grid-template-columns:1fr; }
  .about .portrait { max-width:230px; }
  .nav ul { display:none; position:absolute; top:100%; left:0; right:0; flex-direction:column; background:rgba(10,22,19,.97); padding:18px 24px; gap:16px; border-bottom:1px solid var(--bd); }
  .nav ul.open { display:flex; }
  .nav-toggle { display:block; }
  .nav .brand img { height:64px; }
  header.site { background:rgba(10,22,19,.9); position:sticky; }
  footer.site .wrap { grid-template-columns:1fr; justify-items:center; gap:14px; }
  .hero { min-height:auto; padding:130px 0 70px; }
}