/* ============================================================
   SolrBoost — shared design system
   Swiss/grotesk · deep navy structure · sun-gradient accent
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Jost:wght@400;500;600&display=swap');

:root{
  /* structure */
  --ink:        #0A1828;   /* deepest navy */
  --ink-2:      #0F2237;   /* navy surface */
  --ink-3:      #16314c;   /* raised navy */
  --ink-line:   #21384f;   /* hairline on navy */

  --paper:      #ffffff;
  --paper-2:    #f7f6f3;   /* warm off-white */
  --paper-3:    #efeee9;
  --line:       #e4e3dd;   /* hairline on paper */
  --line-2:     #d6d5cd;

  --text:       #0A1828;
  --text-2:     #46566b;   /* secondary */
  --text-3:     #71819a;   /* muted / labels */
  --on-dark:    #eaf0f7;
  --on-dark-2:  #93a6bd;

  /* sun gradient */
  --sun-1: #FFC22C;        /* yellow */
  --sun-2: #FF7A1A;        /* orange */
  --sun-3: #EE3322;        /* red */
  --sun-solid: #FF6A12;    /* single accent */
  --sun-ink: #B5390B;      /* deep ember for text-on-light */
  --brand-purple: #7c1fb0; /* product UI active accent */
  --brand-purple-2: #9b2bd6;
  --grad-sun: linear-gradient(101deg, var(--sun-1) 2%, var(--sun-2) 52%, var(--sun-3) 104%);
  --grad-sun-soft: linear-gradient(101deg, #FFD66A, #FF8A33 55%, #F2493A);

  /* signal colors for dashboard mocks */
  --ok:   #2FA36B;
  --warn: #E8A219;
  --bad:  #E5462F;

  --sans: "Helvetica Neue", Helvetica, "Arial", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --display: "Jost", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --maxw: 1200px;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow-card: 0 1px 2px rgba(10,24,40,.04), 0 14px 40px -18px rgba(10,24,40,.22);
  --shadow-pop: 0 30px 80px -30px rgba(10,24,40,.45);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  letter-spacing:-0.011em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--sun-2);color:#fff}

/* ---------- type ---------- */
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.028em;line-height:1.02}
h1{font-size:clamp(40px,5.4vw,76px)}
h2{font-size:clamp(30px,3.6vw,50px)}
h3{font-size:clamp(20px,1.7vw,25px);letter-spacing:-0.02em}
p{margin:0;line-height:1.5}
.eyebrow{
  font-family:var(--mono);font-weight:500;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--text-3);
}
.eyebrow.on-dark{color:var(--on-dark-2)}
.mono{font-family:var(--mono)}
.lede{font-size:clamp(17px,1.35vw,20px);line-height:1.55;color:var(--text-2)}
.lede.on-dark{color:var(--on-dark-2)}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section.tight{padding:72px 0}
.dark{background:var(--ink);color:var(--on-dark)}
.dark h1,.dark h2,.dark h3{color:#fff}
.warm{background:var(--paper-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);font-weight:600;font-size:15px;letter-spacing:-0.01em;
  padding:14px 22px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .16s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap;
}
.btn .arr{transition:transform .2s ease}
.btn:hover .arr{transform:translateX(3px)}
.btn-sun{
  color:#fff;background:var(--grad-sun);background-size:140% 140%;
  box-shadow:0 10px 26px -12px rgba(238,51,34,.6), inset 0 1px 0 rgba(255,255,255,.25);
}
.btn-sun:hover{transform:translateY(-1px);background-position:100% 0;box-shadow:0 16px 34px -12px rgba(238,51,34,.65)}
.btn-ghost{color:var(--text);background:transparent;border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-1px)}
.btn-ghost.on-dark{color:#fff;border-color:var(--ink-line)}
.btn-ghost.on-dark:hover{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.04)}
.btn-lg{padding:17px 28px;font-size:16.5px}
.link-arrow{
  display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:15px;
  color:var(--sun-ink);
}
.link-arrow .arr{transition:transform .2s ease}
.link-arrow:hover .arr{transform:translateX(4px)}

/* ---------- logo + sun mark ---------- */
.brand{display:inline-flex;align-items:center}
.brandlogo{height:28px;width:auto;display:block}

/* sun-ray motif — refined radiating device */
.sunburst{
  position:absolute;border-radius:50%;
  background:
    repeating-conic-gradient(from 0deg,
      rgba(255,122,26,.0) 0deg 4deg,
      rgba(255,122,26,.55) 4deg 4.7deg);
  -webkit-mask:radial-gradient(closest-side, transparent 30%, #000 31%, #000 60%, transparent 78%);
          mask:radial-gradient(closest-side, transparent 30%, #000 31%, #000 60%, transparent 78%);
  pointer-events:none;
}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav.on-ink{background:rgba(10,24,40,.72);border-bottom:1px solid var(--ink-line)}
.nav-row{display:flex;align-items:center;justify-content:space-between;height:70px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--text-2);transition:color .15s ease;position:relative}
.nav-links a:hover{color:var(--text)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-25px;height:2px;background:var(--grad-sun)}
.nav.on-ink .nav-links a{color:var(--on-dark-2)}
.nav.on-ink .nav-links a:hover,.nav.on-ink .nav-links a.active{color:#fff}
.nav-cta{display:flex;align-items:center;gap:14px}
/* mobile hamburger + dropdown menu */
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;padding:0;border:0;background:transparent;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s ease,opacity .2s ease}
.nav.on-ink .nav-toggle span{background:#fff}
.nav.open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .nav-toggle span:nth-child(2){opacity:0}
.nav.open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-mobile{display:none}

/* ---------- cards / chips ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);color:var(--text-2);
  background:var(--paper);
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-2)}
.chip.on-dark{border-color:var(--ink-line);color:var(--on-dark-2);background:transparent}

.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card)}

/* value blocks */
.vblock{display:flex;flex-direction:column;gap:14px}
.vnum{font-family:var(--mono);font-size:13px;color:var(--sun-ink);font-weight:600}
.vblock h3{margin-top:2px}
.vblock p{color:var(--text-2);font-size:15.5px;line-height:1.55}

/* differentiation strip */
.strip{display:flex;flex-wrap:wrap;gap:10px}
.strip .item{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:500;color:var(--on-dark);
  padding:11px 16px;border:1px solid var(--ink-line);border-radius:10px;background:rgba(255,255,255,.02);
}
.strip .item .tick{color:var(--sun-2);font-weight:700}
/* strip variant for light/paper backgrounds */
.strip-paper .item{color:var(--text-2);border-color:var(--line);background:var(--paper-2)}

/* footer */
.foot{background:var(--ink);color:var(--on-dark-2);padding:64px 0 36px}
.foot a{color:var(--on-dark-2);font-size:14px;transition:color .15s}
.foot a:hover{color:#fff}
.foot h5{color:var(--on-dark);font-size:12px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;margin:0 0 16px;font-weight:500}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-legal{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--ink-line);margin-top:48px;padding-top:24px;font-size:13px;flex-wrap:wrap;gap:14px}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- framed product screenshot ---------- */
.shotframe{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-pop);background:#fff;width:100%}
.shotframe .bar{display:flex;align-items:center;gap:14px;padding:10px 15px;background:#0A1828;border-bottom:1px solid #21384f}
.shotframe .bar .lights{display:flex;gap:7px}
.shotframe .bar .lights i{width:11px;height:11px;border-radius:50%;display:block}
.shotframe .bar .url{font-family:var(--mono);font-size:12px;color:#93a6bd;background:#0F2237;border:1px solid #21384f;padding:5px 12px;border-radius:7px;flex:1;max-width:340px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shotframe .bar .tag{margin-left:auto;font-family:var(--mono);font-size:11px;color:#9fd9b6;display:flex;gap:7px;align-items:center;white-space:nowrap}
.shotframe .bar .tag i{width:7px;height:7px;border-radius:50%;background:#2FA36B;animation:sbpulse 2s infinite}
@keyframes sbpulse{0%{box-shadow:0 0 0 0 rgba(47,163,107,.5)}70%{box-shadow:0 0 0 7px rgba(47,163,107,0)}100%{box-shadow:0 0 0 0 rgba(47,163,107,0)}}
.shotframe img{display:block;width:100%;height:auto}

/* ===================== SUBPAGE PATTERNS ===================== */
/* segment hero */
.subhero{position:relative;overflow:hidden;padding:64px 0 78px}
.subhero.warm{background:var(--paper-2);border-bottom:1px solid var(--line)}
.subhero .grid{display:grid;grid-template-columns:1.04fr 1.12fr;gap:50px;align-items:center}
.subhero .sunburst{width:560px;height:560px;right:-200px;top:-180px;opacity:.42}
.subhero h1{font-size:clamp(36px,4.4vw,60px)}
.subhero .lede{margin-top:22px;max-width:560px}
.subhero .qual{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-family:var(--mono);font-size:12.5px;color:var(--text-3);border:1px dashed var(--line-2);padding:8px 13px;border-radius:8px}
.subhero .h-cta{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.bcrumb{display:flex;align-items:center;gap:9px;font-family:var(--mono);font-size:12px;color:var(--text-3);margin-bottom:22px}
.bcrumb .seg{color:var(--sun-ink);font-weight:600}

/* value section */
.values-head{max-width:680px}
.vgrid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:46px}
.vcard.vcard-wide{grid-column:1 / -1;flex-direction:row;align-items:center;gap:40px}
.vcard-wide .vw-body{flex:1;display:flex;flex-direction:column;gap:12px}
.vcard-wide .vw-chips{flex:none;display:flex;flex-direction:column;gap:9px;align-items:flex-start}
@media(max-width:760px){
  .vcard.vcard-wide{flex-direction:column;align-items:flex-start;gap:18px}
  .vcard-wide .vw-chips{flex-direction:row;flex-wrap:wrap}
}
.vcard{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px 28px 26px;
  box-shadow:var(--shadow-card);transition:transform .2s ease, box-shadow .25s ease;display:flex;flex-direction:column;gap:12px}
.vcard:hover{transform:translateY(-3px);box-shadow:0 26px 54px -30px rgba(10,24,40,.3)}
.vcard .vnum{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.06em;
  background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent;width:max-content}
.vcard h3{font-size:21px}
.vcard p{color:var(--text-2);font-size:15px;line-height:1.56}
.vcard .accent{margin-top:6px}
/* inline mini accents */
.rand-callout{display:inline-flex;align-items:baseline;gap:8px;font-family:var(--mono);font-size:13px;color:var(--text-3);
  border-top:1px solid var(--line);padding-top:13px;margin-top:4px}
.rand-callout b{font-size:20px;color:var(--bad);font-weight:700;letter-spacing:-.02em}
.payback{margin-top:8px}
.payback .bar{height:8px;border-radius:5px;background:var(--paper-3);overflow:hidden;border:1px solid var(--line)}
.payback .bar i{display:block;height:100%;width:49%;background:var(--grad-sun)}
.payback .lab{display:flex;justify-content:space-between;font-family:var(--mono);font-size:11px;color:var(--text-3);margin-top:7px}
.tariff-chip{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--text-2);
  background:var(--paper-2);border:1px solid var(--line);border-radius:7px;padding:7px 11px}

/* differentiation band */
.diffband{background:var(--ink);color:var(--on-dark)}
.diffband .eyebrow{color:var(--on-dark-2)}

/* closing cta */
.closer{background:var(--ink);color:#fff;text-align:center}
.closer .inner{max-width:720px;margin:0 auto}

/* light list (installers) */
.litelist{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:40px}
.lite{display:flex;gap:16px;align-items:flex-start;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px 22px}
.lite .k{width:34px;height:34px;flex:none;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:var(--paper-2);border:1px solid var(--line);font-weight:700;font-family:var(--mono);font-size:13px;
  background:var(--grad-sun);-webkit-background-clip:text;background-clip:text;color:transparent}
.lite h4{font-size:17px;font-weight:700;margin-bottom:5px}
.lite p{font-size:14px;color:var(--text-2);line-height:1.5}

@media(max-width:980px){
  .subhero .grid{grid-template-columns:1fr;gap:36px}
  .vgrid{grid-template-columns:1fr}
  .litelist{grid-template-columns:1fr}
}
@media (max-width:880px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-mobile{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;
    background:var(--paper);border-top:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(10,24,40,.45);
    max-height:0;overflow:hidden;transition:max-height .32s ease}
  .nav.on-ink .nav-mobile{background:var(--ink);border-top-color:var(--ink-line)}
  .nav.open .nav-mobile{max-height:400px}
  .nav-mobile a{padding:15px 24px;font-size:16px;font-weight:500;color:var(--text-2);border-bottom:1px solid var(--line)}
  .nav-mobile a.active{color:var(--text)}
  .nav-mobile a:hover{color:var(--text)}
  .nav.on-ink .nav-mobile a{color:var(--on-dark-2);border-bottom-color:var(--ink-line)}
  .nav.on-ink .nav-mobile a:hover,.nav.on-ink .nav-mobile a.active{color:#fff}
  .nav-mobile .nav-mobile-cta{margin:18px 24px 22px;justify-content:center;border-bottom:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:72px 0}
}
/* keep the brand lockup from crowding the nav CTA on phones */
@media(max-width:620px){
  .wrap{padding:0 24px}
}
@media(max-width:430px){
  .brandlogo{height:24px}
}
@media(max-width:360px){
  .brandlogo{height:21px}
  .nav .btn{padding:11px 15px;font-size:14px}
}

/* ---- demo lead-capture form ---- */
.demo-form{margin-top:38px;display:flex;flex-direction:column;gap:18px;text-align:left}
.demo-form .df-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.demo-form .df-field{display:flex;flex-direction:column;gap:7px}
.demo-form label{font-size:13px;font-weight:600;color:var(--on-dark-2);letter-spacing:.01em}
.demo-form input,.demo-form select,.demo-form textarea{
  font-family:var(--sans);font-size:15px;color:#fff;background:rgba(255,255,255,.05);
  border:1px solid var(--ink-line);border-radius:12px;padding:13px 15px;width:100%;
  transition:border-color .18s,background .18s,box-shadow .18s;resize:vertical}
.demo-form input::placeholder,.demo-form textarea::placeholder{color:rgba(255,255,255,.4)}
.demo-form select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23ffffff' stroke-opacity='.5' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;padding-right:38px}
.demo-form select option{color:#0a1828}
.demo-form input:focus,.demo-form select:focus,.demo-form textarea:focus{
  outline:none;border-color:rgba(255,140,60,.6);background:rgba(255,255,255,.08);
  box-shadow:0 0 0 3px rgba(255,122,26,.16)}
.demo-form .df-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:4px}
.demo-form .df-actions .btn[disabled]{opacity:.6;cursor:default}
.df-status{font-size:14px;line-height:1.5}
.df-status.ok{color:#7Ce0a0}
.df-status.err{color:#ffb4a8}
@media(max-width:620px){
  .demo-form .df-row{grid-template-columns:1fr}
}

/* ---- legal / long-form pages ---- */
.legal{max-width:760px;margin:0 auto;padding:64px 0 96px}
.legal h1{font-size:clamp(32px,4.6vw,46px);letter-spacing:-.02em;margin:0 0 10px}
.legal .updated{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-3);margin:0 0 34px}
.legal .lead{font-size:17px;line-height:1.7;color:var(--text);margin:0 0 10px}
.legal h2{font-size:21px;letter-spacing:-.01em;margin:36px 0 10px}
.legal h3{font-size:16px;margin:22px 0 8px}
.legal p,.legal li{color:var(--text-2);font-size:15.5px;line-height:1.72}
.legal p{margin:0 0 12px}
.legal ul{margin:0 0 14px;padding-left:20px;display:flex;flex-direction:column;gap:8px}
.legal a{color:var(--sun-ink);text-decoration:underline;text-underline-offset:2px}
.legal a:hover{color:var(--sun-2)}
.legal strong{color:var(--text);font-weight:600}

/* ---- about page ---- */
.about-prose{max-width:760px}
.about-prose h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.02em}
.about-prose p{color:var(--text-2);font-size:16px;line-height:1.7;margin:14px 0 0}
.founders{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:42px}
.founder{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-card);padding:32px 30px;display:flex;flex-direction:column;align-items:center;text-align:center}
.founder-avatar,.founder-photo{width:118px;height:118px;border-radius:50%;margin-bottom:20px}
.founder-avatar{display:flex;align-items:center;justify-content:center;font-family:var(--display);font-weight:600;font-size:31px;color:#fff;background:var(--grad-sun)}
.founder-photo{object-fit:cover;border:1px solid var(--line);filter:grayscale(100%)}
.founder h3{font-size:21px;margin:0}
.founder-role{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--sun-ink);margin:7px 0 0}
.founder-bio{color:var(--text-2);font-size:15px;line-height:1.62;margin:14px 0 0;max-width:42ch}
.founder-link{margin-top:16px;font-weight:600;font-size:14px;color:var(--sun-ink);text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.founder-link:hover{color:var(--sun-2)}
@media(max-width:680px){.founders{grid-template-columns:1fr}}