/* ============================================================
   CarboniQ — shared styles
   Palette: cool paper + deep teal ink + bright cyan accent
   Type: Bricolage Grotesque (display) / Hanken Grotesk (body) /
         Spline Sans Mono (meter readouts)
   ============================================================ */

:root{
  --paper:#EFF5F4;
  --paper-2:#FBFEFE;
  --ink:#0E3A40;
  --ink-soft:#3F5D61;
  --ink-faint:#6E8488;
  --sun:#15C2D4;
  --sun-deep:#0A6F7A;
  --leaf:#0E8E99;
  --mint:#DCEDEC;
  --mint-2:#C6E4E4;
  --line:#DAE7E5;
  --line-soft:#E6EFEE;
  --shadow:0 1px 2px rgba(13,52,58,.04), 0 8px 28px rgba(13,52,58,.07);
  --shadow-lg:0 2px 6px rgba(13,52,58,.06), 0 22px 60px rgba(13,52,58,.13);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1140px;
  --display:"Bricolage Grotesque", "Hanken Grotesk", system-ui, sans-serif;
  --body:"Hanken Grotesk", system-ui, -apple-system, sans-serif;
  --mono:"Spline Sans Mono", ui-monospace, "SFMono-Regular", monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4{font-family:var(--display);font-weight:800;line-height:1.04;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(2.5rem,6vw,4.3rem)}
h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.025em}
h3{font-size:1.32rem;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1rem}
a{color:inherit}
img{max-width:100%;display:block}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-tight{padding:54px 0}

/* eyebrow / labels ----------------------------------------- */
.eyebrow{
  font-family:var(--mono);
  text-transform:uppercase;
  letter-spacing:.18em;
  font-size:.72rem;
  font-weight:500;
  color:var(--sun-deep);
  display:inline-flex;align-items:center;gap:.55em;
  margin:0 0 18px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--sun);display:inline-block}
.eyebrow.on-dark{color:var(--sun)}
.eyebrow.center{justify-content:center}

.lede{font-size:1.18rem;color:var(--ink-soft);max-width:54ch}

/* buttons -------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:var(--body);font-weight:600;font-size:1rem;
  padding:14px 24px;border-radius:999px;border:1.5px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn-primary{background:var(--sun);color:var(--ink);box-shadow:0 6px 18px rgba(21,194,212,.32)}
.btn-primary:hover{background:var(--sun-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost.on-dark{color:var(--paper);border-color:rgba(250,246,239,.45)}
.btn-ghost.on-dark:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn .arrow{transition:transform .2s ease}
.btn:hover .arrow{transform:translateX(3px)}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:sticky;top:0;z-index:50;background:rgba(239,245,244,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line-soft)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:1.28rem;letter-spacing:-.02em;color:var(--ink)}
.brand .mark{width:30px;height:30px;flex:none}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-weight:500;font-size:.98rem;color:var(--ink-soft);transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-links .btn{display:none}
.nav-toggle{display:none;background:none;border:1.5px solid var(--line);border-radius:10px;width:42px;height:42px;cursor:pointer;color:var(--ink)}
.nav-toggle svg{width:20px;height:20px;margin:auto;display:block}

@media (max-width:860px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:71px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;background:var(--paper);border-bottom:1px solid var(--line);padding:16px 24px 24px}
  .nav-links.open a{padding:10px 0;font-size:1.1rem;width:100%;border-bottom:1px solid var(--line-soft)}
  .nav-links.open .btn{display:inline-flex;margin-top:12px}
}

/* ============================================================
   HERO (dark pine band)
   ============================================================ */
.hero{background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.hero::after{ /* soft sun glow upper-right */
  content:"";position:absolute;top:-180px;right:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle, rgba(21,194,212,.30), rgba(21,194,212,0) 64%);pointer-events:none;
}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:96px 24px 104px;position:relative;z-index:1;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{color:var(--paper)}
.hero h1 .hl{color:var(--sun)}
.hero .lede{color:rgba(250,246,239,.78);margin-top:22px;max-width:46ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-trust{margin-top:34px;display:flex;gap:26px;flex-wrap:wrap;color:rgba(250,246,239,.6);font-size:.86rem;font-family:var(--mono);letter-spacing:.02em}
.hero-trust span{display:flex;align-items:center;gap:8px}
.hero-trust .dot{width:6px;height:6px;border-radius:50%;background:var(--sun)}

/* hero meter card — the signature element */
.meter{background:linear-gradient(160deg,#12454B,#0C343A);border:1px solid rgba(21,194,212,.22);border-radius:22px;padding:30px 30px 26px;box-shadow:var(--shadow-lg)}
.meter .meter-top{display:flex;justify-content:space-between;align-items:center;font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(250,246,239,.55)}
.meter .live{display:flex;align-items:center;gap:7px;color:var(--sun)}
.meter .live .pulse{width:7px;height:7px;border-radius:50%;background:var(--sun);box-shadow:0 0 0 0 rgba(21,194,212,.6);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(21,194,212,.5)}70%{box-shadow:0 0 0 9px rgba(21,194,212,0)}100%{box-shadow:0 0 0 0 rgba(21,194,212,0)}}
@media (prefers-reduced-motion:reduce){.meter .live .pulse{animation:none}}
.meter .readout{font-family:var(--mono);font-weight:600;font-size:clamp(2.4rem,5vw,3.3rem);color:var(--paper);margin:18px 0 2px;letter-spacing:-.02em}
.meter .readout .cur{color:var(--sun)}
.meter .sub{color:rgba(250,246,239,.6);font-size:.9rem}
.meter .flow{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding-top:22px;border-top:1px solid rgba(250,246,239,.12)}
.meter .flow .step{text-align:center;flex:1}
.meter .flow .step .ic{width:34px;height:34px;margin:0 auto 8px;color:var(--sun)}
.meter .flow .step small{display:block;font-size:.72rem;color:rgba(250,246,239,.62);font-family:var(--mono);letter-spacing:.04em}
.meter .flow .sep{color:rgba(21,194,212,.6);font-size:1.3rem;padding:0 4px;margin-bottom:18px}

@media (max-width:880px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 24px 76px}
}

/* ============================================================
   GENERIC SECTIONS / CARDS
   ============================================================ */
.section-head{max-width:60ch;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head .lede{margin-top:16px}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:transform .18s ease, box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card .ic{width:42px;height:42px;border-radius:11px;background:var(--mint);color:var(--leaf);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.card .ic svg{width:23px;height:23px}
.card h3{margin-bottom:8px}
.card p{color:var(--ink-soft);margin-bottom:0;font-size:.98rem}

/* numbered process steps */
.steps{counter-reset:step;display:grid;gap:2px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line)}
.step-row{background:var(--paper-2);padding:30px 30px;display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start}
.step-row .num{counter-increment:step;font-family:var(--mono);font-size:1.05rem;font-weight:600;color:var(--sun-deep);padding-top:4px}
.step-row .num::before{content:"0" counter(step)}
.step-row h3{margin-bottom:6px}
.step-row p{margin-bottom:0;color:var(--ink-soft)}
@media (max-width:560px){.step-row{grid-template-columns:1fr;gap:8px}}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.stat .big{font-family:var(--mono);font-weight:600;font-size:clamp(2rem,4.4vw,2.9rem);color:var(--ink);letter-spacing:-.02em;line-height:1}
.stat .big .u{color:var(--sun-deep)}
.stat .lab{color:var(--ink-soft);font-size:.93rem;margin-top:10px}
@media (max-width:620px){.stats{grid-template-columns:1fr;gap:30px}}

/* mint feature band */
.band{background:var(--mint)}
.band-pine{background:var(--ink);color:var(--paper)}
.band-pine .lede{color:rgba(250,246,239,.78)}
.band-pine h2{color:var(--paper)}

/* pill list / checks */
.checks{list-style:none;margin:0;padding:0;display:grid;gap:13px}
.checks li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-soft)}
.checks li svg{width:21px;height:21px;flex:none;color:var(--leaf);margin-top:2px}
.checks li b{color:var(--ink);font-weight:600}

/* CTA strip */
.cta-strip{background:var(--sun);border-radius:24px;padding:50px 48px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.cta-strip h2{color:var(--ink);max-width:20ch}
.cta-strip p{color:#0A4A50;margin:10px 0 0;max-width:46ch}
.cta-strip .btn-ghost{border-color:var(--ink)}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{background:var(--ink);color:rgba(250,246,239,.7);padding:60px 0 34px;font-size:.93rem}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:40px;border-bottom:1px solid rgba(250,246,239,.14)}
.footer .brand{color:var(--paper);margin-bottom:14px}
.footer h4{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:rgba(250,246,239,.5);font-weight:500;margin-bottom:16px}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer a{color:rgba(250,246,239,.72);text-decoration:none}
.footer a:hover{color:var(--sun)}
.footer .blurb{max-width:34ch;color:rgba(250,246,239,.6)}
.footer-bottom{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:24px;font-size:.82rem;color:rgba(250,246,239,.5)}
.footer-bottom .disclaimer{max-width:70ch}
@media (max-width:780px){.footer-top{grid-template-columns:1fr 1fr;gap:30px}}
@media (max-width:480px){.footer-top{grid-template-columns:1fr}}

/* ============================================================
   CALCULATOR
   ============================================================ */
.calc{background:var(--paper-2);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow-lg);overflow:hidden;display:grid;grid-template-columns:1fr .9fr}
.calc-inputs{padding:36px 36px 40px}
.calc-result{background:linear-gradient(165deg,#13494F,#0C343A);color:var(--paper);padding:36px;display:flex;flex-direction:column}
@media (max-width:840px){.calc{grid-template-columns:1fr}}

.calc h3{margin-bottom:4px}
.calc .hint{color:var(--ink-faint);font-size:.9rem;margin-bottom:24px}

.seg{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:24px}
.seg button{font-family:var(--body);font-weight:600;font-size:.92rem;padding:12px 10px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink-soft);cursor:pointer;transition:all .14s;display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center}
.seg button .ic{width:22px;height:22px}
.seg button:hover{border-color:var(--sun)}
.seg button.active{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.seg button.active .ic{color:var(--sun)}

.field{margin-bottom:20px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px}
.field .row{display:flex;gap:12px}
.field .ctrl{position:relative;flex:1}
.field input[type=number]{width:100%;font-family:var(--mono);font-size:1.05rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font-weight:600}
.field input[type=number]:focus{outline:none;border-color:var(--sun);box-shadow:0 0 0 3px rgba(21,194,212,.18)}
.field select{width:100%;font-family:var(--body);font-size:.98rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font-weight:500;cursor:pointer}
.field select:focus{outline:none;border-color:var(--sun)}
.field .suffix{position:absolute;right:14px;top:50%;transform:translateY(-50%);font-family:var(--mono);font-size:.82rem;color:var(--ink-faint);pointer-events:none}

.slider-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:9px}
.slider-head .val{font-family:var(--mono);font-weight:600;color:var(--sun-deep)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:6px;background:var(--mint-2);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;border-radius:50%;background:var(--sun);border:3px solid var(--paper-2);box-shadow:0 1px 5px rgba(21,48,43,.25);cursor:pointer}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--sun);border:3px solid var(--paper-2);cursor:pointer}

.calc-result .rtop{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(250,246,239,.55);display:flex;justify-content:space-between;align-items:center}
.calc-result .rtop .live{color:var(--sun);display:flex;align-items:center;gap:7px}
.calc-result .rtop .pulse{width:7px;height:7px;border-radius:50%;background:var(--sun);animation:pulse 2.4s infinite}
.calc-result .headline{font-family:var(--mono);font-weight:600;font-size:clamp(2.6rem,6vw,3.6rem);letter-spacing:-.02em;margin:14px 0 2px;line-height:1}
.calc-result .headline .cur{color:var(--sun)}
.calc-result .headline .per{font-size:1rem;color:rgba(250,246,239,.6);font-family:var(--body);font-weight:500}
.calc-result .rlabel{color:rgba(250,246,239,.7);font-size:.95rem;margin-bottom:auto}
.calc-result .breakdown{display:grid;gap:1px;background:rgba(250,246,239,.13);border-radius:14px;overflow:hidden;margin:26px 0 0}
.calc-result .brow{background:#123E44;display:flex;justify-content:space-between;align-items:center;padding:13px 16px;font-size:.9rem}
.calc-result .brow span:first-child{color:rgba(250,246,239,.7)}
.calc-result .brow span:last-child{font-family:var(--mono);font-weight:600;color:var(--paper)}
.calc-result .brow.hi span:last-child{color:var(--sun)}
.calc-result .note{font-size:.76rem;color:rgba(250,246,239,.5);margin-top:18px;line-height:1.5}
.calc-result .rcta{margin-top:20px}
.calc-result .rcta .btn{width:100%;justify-content:center}

details.assumptions{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}
details.assumptions summary{cursor:pointer;font-weight:600;font-size:.9rem;color:var(--ink-soft);list-style:none;display:flex;align-items:center;gap:8px}
details.assumptions summary::-webkit-details-marker{display:none}
details.assumptions summary::before{content:"+";font-family:var(--mono);color:var(--sun-deep);font-size:1.1rem}
details.assumptions[open] summary::before{content:"–"}
details.assumptions p{font-size:.84rem;color:var(--ink-faint);margin:14px 0 0;line-height:1.6}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:840px){.contact-grid{grid-template-columns:1fr;gap:36px}}
.form-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-card .field input[type=text],
.form-card .field input[type=email],
.form-card .field input[type=tel],
.form-card .field textarea{width:100%;font-family:var(--body);font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink)}
.form-card .field textarea{min-height:130px;resize:vertical}
.form-card .field input:focus,.form-card .field textarea:focus{outline:none;border-color:var(--sun);box-shadow:0 0 0 3px rgba(21,194,212,.16)}
.form-card .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:.82rem;color:var(--ink-faint);margin-top:14px;text-align:center}

.contact-aside .infoblock{display:flex;gap:15px;padding:20px 0;border-bottom:1px solid var(--line-soft)}
.contact-aside .infoblock:first-child{padding-top:0}
.contact-aside .infoblock .ic{width:40px;height:40px;border-radius:11px;background:var(--mint);color:var(--leaf);display:flex;align-items:center;justify-content:center;flex:none}
.contact-aside .infoblock .ic svg{width:20px;height:20px}
.contact-aside .infoblock h4{font-family:var(--display);font-size:1.05rem;font-weight:700;margin:0 0 3px;color:var(--ink);text-transform:none;letter-spacing:0}
.contact-aside .infoblock p{margin:0;color:var(--ink-soft);font-size:.95rem}
.contact-aside .infoblock a{color:var(--sun-deep);text-decoration:none;font-weight:600}

/* faq */
.faq{display:grid;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{cursor:pointer;list-style:none;padding:22px 0;font-family:var(--display);font-weight:700;font-size:1.1rem;display:flex;justify-content:space-between;align-items:center;gap:20px;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--sun-deep);font-size:1.4rem;flex:none;transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 24px;margin:0;color:var(--ink-soft);max-width:72ch}

/* hero variant for inner pages (lighter) */
.page-hero{background:var(--ink);color:var(--paper);padding:74px 0 78px;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;top:-160px;right:-120px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(21,194,212,.26),rgba(21,194,212,0) 64%);pointer-events:none}
.page-hero .wrap{position:relative;z-index:1}
.page-hero h1{color:var(--paper);max-width:18ch}
.page-hero .lede{color:rgba(250,246,239,.78);margin-top:20px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* misc */
.tag{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--leaf);background:var(--mint);padding:5px 11px;border-radius:999px;margin-bottom:16px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
@media (max-width:840px){.split{grid-template-columns:1fr;gap:34px}}
.center{text-align:center}
:focus-visible{outline:3px solid var(--sun);outline-offset:2px;border-radius:4px}