/* Terrio.ai — shared design system */
:root{
  --navy:#16263D; --clay:#C2683E; --clayb:#e59468; --teal:#1C8C77;
  --bg:#ffffff; --bg-alt:#f4f7f8; --surface:#ffffff; --border:#e3e9ed;
  --text:#111a22; --muted:#54677a;
  --on-navy:#f4f8fb; --on-navy-muted:#d2dde8; --on-navy-line:#3a5069;
  --maxw:1120px; --docw:760px;
  --serif:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b1522;--bg-alt:#0f1d2e;--surface:#12233a;--border:#233851;
    --text:#e7eef4;--muted:#93a6b8;--clay:#d17a4e;--teal:#2ba888;}
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
  line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
a{color:inherit;text-decoration:none}
.eyebrow{font-family:var(--sans);font-weight:650;font-size:.74rem;letter-spacing:.12em;text-transform:uppercase}

/* mark */
.mark .strata{fill:var(--mrk)} .mark .tip{fill:var(--clay)}
.lockup{display:inline-flex;align-items:center;gap:.6rem}
.word{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1}
.word .dot{font-family:var(--mono);color:var(--clay);font-weight:500}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--navy) 92%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--on-navy-line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav .lockup{--mrk:#fff} .nav .word{color:#fff;font-size:1.28rem}
.nav-links{display:flex;align-items:center;gap:2rem}
.nav-links a{color:var(--on-navy-muted);font-size:.9rem;transition:color .18s}
.nav-links a:hover{color:#fff}
.btn{font-family:var(--sans);font-size:.9rem;font-weight:600;border-radius:8px;padding:.62rem 1.05rem;
  border:1px solid transparent;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;gap:.5rem;white-space:nowrap}
.btn-clay{background:var(--clay);color:#fff} .btn-clay:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--on-navy);border-color:var(--on-navy-line)}
.btn-ghost:hover{border-color:var(--on-navy-muted)}
@media(max-width:720px){.nav-links a:not(.btn){display:none}}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,rgba(28,140,119,.14),transparent 60%),var(--navy);
  color:var(--on-navy);border-bottom:1px solid var(--on-navy-line)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:84px 28px 88px}
.hero .eyebrow{color:var(--clayb);font-weight:600}
.hero h1{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.02;
  font-size:clamp(2.7rem,5.6vw,4.35rem);margin:18px 0 0;color:#fff;text-wrap:balance}
.hero h1 em{font-style:italic;color:#fff}
.hero p.lede{color:#dbe6ee;font-size:1.12rem;max-width:46ch;margin:22px 0 0}
.hero .cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero .fine{margin-top:20px;font-family:var(--sans);font-size:.84rem;letter-spacing:.01em;color:var(--on-navy-muted)}
.anim{opacity:0;transform:translateY(14px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
.anim.d1{animation-delay:.05s}.anim.d2{animation-delay:.13s}.anim.d3{animation-delay:.21s}.anim.d4{animation-delay:.29s}
@keyframes rise{to{opacity:1;transform:none}}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:40px;padding:60px 28px 64px}}

/* pipeline panel */
.stack{background:linear-gradient(180deg,#1b2d47,#132339);border:1px solid var(--on-navy-line);border-radius:16px;
  padding:20px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.stack .hd{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.stack .hd .t{font-family:var(--serif);font-size:1.08rem;font-weight:600;letter-spacing:-.01em;color:#f0f5f8}
.stack .hd .t small{display:block;font-family:var(--mono);font-weight:400;font-size:.68rem;letter-spacing:.03em;color:var(--on-navy-muted);margin-top:4px}
.stack .hd .badge{font-family:var(--sans);font-size:.72rem;font-weight:600;color:#3ad6ac;
  border:1px solid rgba(58,214,172,.55);padding:.22rem .55rem;border-radius:99px;white-space:nowrap;flex:none}
.stack .truth{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--on-navy-line);
  font-family:var(--serif);font-size:1rem;color:var(--on-navy)}
.stack .truth .dot2{width:10px;height:10px;border-radius:99px;background:#ff9d52;flex:none;box-shadow:0 0 11px 1px rgba(255,157,82,.55),0 0 0 4px rgba(255,157,82,.18)}
.stack .truth b{color:#fff;font-weight:700}
.stack .truth .g{margin-left:auto;font-family:var(--serif);font-style:italic;font-size:.92rem;color:var(--clayb);white-space:nowrap}
.tl{display:flex;flex-direction:column;margin-top:2px}
.node{display:grid;grid-template-columns:24px 1fr;gap:14px;padding-bottom:20px}
.node:last-child{padding-bottom:0}
.rail{position:relative;display:flex;justify-content:center}
.rail .dot{width:15px;height:15px;border-radius:99px;margin-top:3px;z-index:2;border:2px solid transparent}
.rail::before{content:"";position:absolute;top:18px;bottom:-4px;left:50%;transform:translateX(-50%);width:2px;background:var(--on-navy-line)}
.node:last-child .rail::before{display:none}
.node.done .dot{background:#2fe0b4;box-shadow:0 0 10px 1px rgba(47,224,180,.5)}
.node.done .rail::before{background:#2fe0b4}
.node.now .dot{background:#ff9d52;box-shadow:0 0 12px 2px rgba(255,157,82,.6)}
.node.next .dot{background:transparent;border-color:var(--on-navy-line)}
.ph{font-family:var(--sans);font-size:.64rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--on-navy-muted)}
.node.now .ph{color:var(--clayb)}
.pd{font-family:var(--serif);font-size:1.04rem;color:#eef4f8;margin-top:3px}
.node.next .pd{color:var(--on-navy-muted)}
.pd small{display:block;font-family:var(--sans);font-size:.76rem;color:var(--on-navy-muted);margin-top:2px}

/* light sections */
.sec .wrap{padding:78px 28px}
.alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.sec .eyebrow{color:var(--teal)}
.sec h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,3.3vw,2.5rem);letter-spacing:-.015em;
  margin:12px 0 0;color:var(--text);max-width:20ch;text-wrap:balance}
.sec .lead{color:var(--muted);font-size:1.08rem;max-width:60ch;margin:16px 0 0}

.errlist{list-style:none;padding:0;margin:36px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:16px 34px}
.errlist li{display:flex;gap:13px;align-items:flex-start;font-size:1.04rem;color:var(--text)}
.errlist li .x{width:9px;height:9px;border-radius:2px;background:var(--clay);margin-top:8px;flex:none}
.cost{margin:34px 0 0;font-family:var(--serif);font-size:1.24rem;color:var(--text);max-width:56ch;font-style:italic}
@media(max-width:720px){.errlist{grid-template-columns:1fr}}

.steps{margin-top:44px}
.step{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:28px 0;border-top:1px solid var(--border)}
.step:last-child{border-bottom:1px solid var(--border)}
.step .num{font-family:var(--sans);font-size:1.05rem;color:var(--clay);font-weight:700;padding-top:4px;font-variant-numeric:tabular-nums}
.step h3{font-family:var(--serif);font-weight:600;font-size:1.4rem;margin:0 0 7px;letter-spacing:-.01em}
.step p{margin:0;color:var(--muted);font-size:1.04rem;max-width:72ch}
@media(max-width:560px){.step{grid-template-columns:1fr;gap:8px}.step .num{padding-top:0}}

.caps{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:42px}
.capcol h4{font-family:var(--sans);font-weight:700;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.capcol ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.capcol li{position:relative;padding-left:22px;font-size:1.04rem;color:var(--text)}
.capcol li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:99px;background:var(--teal)}
.capcol.checks li::before{border-radius:2px;background:var(--clay)}
.capfoot{margin-top:36px;font-family:var(--serif);font-style:italic;font-size:1.12rem;color:var(--text);max-width:62ch}
@media(max-width:720px){.caps{grid-template-columns:1fr;gap:26px}}

.clock{background:var(--navy);color:var(--on-navy);border-top:1px solid var(--on-navy-line);border-bottom:1px solid var(--on-navy-line)}
.clock .wrap{padding:76px 28px;max-width:820px}
.clock .eyebrow{color:var(--clayb);font-weight:600}
.clock h2{font-family:var(--serif);font-weight:700;color:#fff;font-size:clamp(2rem,4.2vw,3rem);margin:12px 0 0;letter-spacing:-.02em;text-wrap:balance}
.clock p{color:#cdd9e3;font-size:1.16rem;margin:20px 0 0}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:42px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:26px;transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 24px 44px -30px rgba(16,25,40,.4)}
.card .n{font-family:var(--sans);font-weight:700;font-size:.72rem;color:var(--clay);letter-spacing:.1em;text-transform:uppercase}
.card h3{font-family:var(--serif);font-weight:600;font-size:1.35rem;margin:14px 0 8px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.98rem;margin:0}
@media(max-width:860px){.grid3{grid-template-columns:1fr}}

.final{background:var(--navy);color:var(--on-navy);border-top:1px solid var(--on-navy-line);border-bottom:1px solid var(--on-navy-line)}
.final .wrap{padding:80px 28px;text-align:center}
.final h2{font-family:var(--serif);font-weight:700;font-size:clamp(1.9rem,3.6vw,2.7rem);margin:0 0 10px;letter-spacing:-.015em;text-wrap:balance;color:#fff}
.final p{color:#cdd9e3;margin:0 auto 28px;max-width:50ch}
.signup{display:flex;gap:12px;max-width:560px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.signup input{flex:1 1 200px;min-width:0;font-family:var(--sans);font-size:1rem;padding:.82rem 1rem;border:1px solid #33475f;border-radius:10px;background:#0f1d2e;color:#eef4f8}
.signup input::placeholder{color:#8ea1b4}
.signup input:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent}
.signup .btn{padding:.82rem 1.5rem;font-size:1rem;flex:0 0 auto}
.signup-note{margin:16px auto 0;font-size:.82rem;color:var(--on-navy-muted);max-width:46ch}

/* doc pages */
.dochead{background:var(--navy);color:var(--on-navy);border-bottom:1px solid var(--on-navy-line)}
.dochead .wrap{padding:58px 28px 46px;max-width:var(--docw)}
.dochead .eyebrow{color:var(--clayb);font-weight:600}
.dochead h1{font-family:var(--serif);font-weight:700;color:#fff;font-size:clamp(2.1rem,4.4vw,3.1rem);letter-spacing:-.02em;margin:12px 0 0}
.dochead .updated{font-family:var(--mono);font-size:.74rem;color:var(--on-navy-muted);margin-top:14px;letter-spacing:.02em}
.doc{max-width:var(--docw);margin:0 auto;padding:52px 28px 90px}
.doc .lede{font-size:1.15rem;color:var(--text);margin:0 0 8px}
.doc h2{font-family:var(--serif);font-weight:600;font-size:1.5rem;letter-spacing:-.01em;margin:44px 0 12px;color:var(--text)}
.doc h3{font-family:var(--serif);font-weight:600;font-size:1.16rem;margin:26px 0 8px;color:var(--text)}
.doc p{color:var(--text);margin:0 0 16px;max-width:70ch}
.doc ul{color:var(--text);margin:0 0 18px;padding-left:0;list-style:none}
.doc ul li{position:relative;padding-left:22px;margin:0 0 10px;max-width:70ch}
.doc ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--clay)}
.doc strong{font-weight:650}
.doc a{color:var(--teal);text-decoration:underline;text-underline-offset:2px}
.doc .tbl{overflow-x:auto;margin:0 0 20px}
.doc table{border-collapse:collapse;width:100%;font-size:.94rem}
.doc th,.doc td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:top}
.doc th{font-family:var(--sans);font-weight:700;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.doc .note{color:var(--muted);font-size:.92rem;font-style:italic;margin-top:26px;border-top:1px solid var(--border);padding-top:18px}
.doc .contact{background:var(--bg-alt);border:1px solid var(--border);border-radius:12px;padding:20px 22px;margin-top:22px}
.doc .contact b{font-family:var(--serif);font-size:1.05rem}

/* footer */
footer{background:var(--navy);color:var(--on-navy-muted);border-top:1px solid var(--on-navy-line)}
footer .wrap{padding:40px 28px;display:flex;align-items:flex-start;justify-content:space-between;gap:26px;flex-wrap:wrap}
footer .lockup{--mrk:#fff} footer .word{color:#fff;font-size:1.15rem}
footer .fcol{display:flex;flex-direction:column;gap:10px}
footer .flinks{display:flex;gap:22px;flex-wrap:wrap}
footer .flinks a{color:var(--on-navy-muted);font-size:.88rem;transition:color .18s}
footer .flinks a:hover{color:#fff}
footer .fine{font-family:var(--sans);font-size:.82rem;color:#ffffff;letter-spacing:.01em}
footer .fmutedline{color:var(--on-navy-muted);font-size:.8rem}

@media(prefers-reduced-motion:reduce){.anim{animation:none;opacity:1;transform:none}.card,.node,.btn,.nav-links a{transition:none}}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px}