/* ============================================================
   Solar Shrink — site design system
   ============================================================ */
:root{
  --ink:#15213f;
  --ink-soft:#46506a;
  --bg:#ffffff;
  --bg-soft:#eef3f9;
  --bg-soft2:#e6eef6;
  --line:#d9e2ee;
  --sun:#f3c33f;
  --sun-deep:#e0961a;
  --leaf:#3a90c8;
  --leaf-deep:#203070;
  --leaf-ink:#16234a;
  --shadow:0 18px 40px -22px rgba(32,48,112,.45);
  --shadow-sm:0 8px 24px -16px rgba(32,48,112,.38);
  --radius:18px;
  --radius-lg:26px;
  --maxw:1180px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--ink);
  background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.12;margin:0 0 .5em;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.7rem)}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
a{color:var(--leaf-deep);text-decoration:none}
img{max-width:100%;display:block}
em{font-style:italic;color:var(--sun-deep)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--leaf);margin-bottom:1rem}
.lead{font-size:1.18rem;color:var(--ink-soft);max-width:60ch}
.center{text-align:center}
.center .lead{margin-left:auto;margin-right:auto}
section{padding:84px 0}
.soft{background:var(--bg-soft)}
.soft2{background:var(--bg-soft2)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;font-size:1rem;
  padding:.85rem 1.5rem;border-radius:999px;border:2px solid transparent;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:linear-gradient(135deg,var(--sun),var(--sun-deep));color:#3a2402;
  box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--leaf-deep);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline{background:transparent;border-color:var(--leaf);color:var(--leaf-deep)}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{font-size:1.4rem;font-weight:800;letter-spacing:-.02em;color:var(--leaf-deep);display:flex;align-items:center}
.brand em{color:var(--sun-deep);font-style:italic}
.logo-img{height:44px;width:auto;display:block}

/* unit toggle */
.toggle{display:inline-flex;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:999px;padding:4px;gap:4px;margin-bottom:1.2rem}
.toggle button{border:0;background:transparent;padding:.5rem 1.1rem;border-radius:999px;
  font-weight:700;font-size:.9rem;cursor:pointer;color:var(--ink-soft);font-family:inherit}
.toggle button.on{background:var(--leaf-deep);color:#fff}

/* showcase / figures */
.showcase{margin-top:3rem;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.showcase img{width:100%;height:clamp(240px,42vw,520px);object-fit:cover;display:block}
.figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.figure img{width:100%;height:100%;object-fit:cover;display:block;min-height:280px}
.spec .ph{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:12px;margin-bottom:1rem;display:block}

/* gallery */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;display:block;
  box-shadow:var(--shadow-sm);transition:transform .18s ease}
.gallery img:hover{transform:scale(1.03)}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news{display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease}
.news:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news img.thumb{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--bg-soft);display:block}
.news .body{padding:22px;display:flex;flex-direction:column;flex:1}
.news .meta{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--sun-deep);margin-bottom:.5rem;display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.news .meta .date{color:var(--ink-soft);font-weight:600;letter-spacing:0;text-transform:none}
.news h3{font-size:1.08rem;margin-bottom:.5rem;line-height:1.25}
.news p{font-size:.93rem;color:var(--ink-soft);margin:0 0 1rem}
.news a.more{margin-top:auto;font-weight:700;color:var(--leaf-deep);font-size:.92rem}
.badge{display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:.2rem .55rem;border-radius:999px;background:linear-gradient(135deg,rgba(243,195,63,.2),rgba(58,144,200,.18));color:var(--leaf-deep)}
.nav-links{display:flex;align-items:center;gap:1.5rem;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.nav-links a:hover,.nav-links a.active{color:var(--sun-deep)}
.nav-cta{padding:.55rem 1.1rem;font-size:.9rem}
.burger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--leaf-deep)}

/* hero */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 500px at 88% -10%,rgba(243,195,63,.22),transparent 60%),
  radial-gradient(700px 500px at -5% 110%,rgba(58,144,200,.18),transparent 60%),
  var(--bg-soft)}
.hero .wrap{padding-top:90px;padding-bottom:90px}
.hero .eyebrow{color:var(--sun-deep)}
.hero h1{max-width:16ch}
.hero .lead{margin-top:1rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2rem}

/* full-bleed image hero (home) */
.hero.hero-img{background:none;color:#fff}
.hero.hero-img::before{content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(180deg,rgba(18,28,58,.50),rgba(18,28,58,.78)),
    url('assets/hero-aerial.jpg') center 40%/cover no-repeat}
.hero.hero-img .wrap{position:relative;z-index:1;padding-top:120px;padding-bottom:120px}
.hero.hero-img .eyebrow{color:var(--sun)}
.hero.hero-img h1{color:#fff}
.hero.hero-img .lead{color:rgba(255,255,255,.92)}
.hero.hero-img em{color:var(--sun)}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:3.2rem}
.stat{background:var(--bg);padding:1.5rem 1.2rem;text-align:center}
.stat b{display:block;font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;color:var(--leaf-deep);
  letter-spacing:-.03em}
.stat span{font-size:.86rem;color:var(--ink-soft);font-weight:600}

/* feature cards */
.grid{display:grid;gap:24px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-size:1.5rem;margin-bottom:1rem;background:linear-gradient(135deg,rgba(243,195,63,.18),rgba(58,144,200,.16))}
.card h3{margin-bottom:.4rem}
.card p{color:var(--ink-soft);margin:0;font-size:.98rem}

/* data callouts */
.data{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data .d{padding:8px 0}
.data b{display:block;font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--sun-deep);
  letter-spacing:-.03em;line-height:1}
.data span{display:block;margin-top:.5rem;color:var(--ink-soft);font-weight:600;font-size:.95rem}
.on-dark .data b{color:var(--sun)}
.on-dark .data span{color:rgba(255,255,255,.8)}

/* bands */
.band{background:linear-gradient(140deg,var(--leaf-deep),var(--leaf-ink));color:#fff}
.band .eyebrow{color:var(--sun)}
.band h2,.band h3{color:#fff}
.band p{color:rgba(255,255,255,.85)}

/* spec / product cards */
.spec{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.spec .tag{font-size:1.6rem;font-weight:800;color:var(--leaf-deep);letter-spacing:-.02em}
.spec .kind{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--sun-deep);
  font-weight:700;margin:.3rem 0 .7rem}
.spec p{color:var(--ink-soft);font-size:.95rem;margin:0}

/* table */
.tbl{width:100%;border-collapse:collapse;background:var(--bg);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-sm);font-size:.96rem}
.tbl th,.tbl td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:var(--leaf-deep);color:#fff;font-weight:700;letter-spacing:.01em}
.tbl tr:last-child td{border-bottom:0}
.tbl td.win{color:var(--leaf-deep);font-weight:700}

/* quote */
.quote{background:var(--bg);border-left:5px solid var(--sun);border-radius:14px;
  padding:30px 34px;box-shadow:var(--shadow-sm);font-size:1.12rem;color:var(--ink);font-style:italic}
.quote .who{display:block;margin-top:1rem;font-style:normal;font-weight:700;font-size:.95rem;color:var(--leaf-deep)}
.quote .who small{display:block;font-weight:500;color:var(--ink-soft)}

/* logos row */
.logos{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.logos .lg{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 22px;
  text-align:center;min-width:170px}
.logos .lg b{display:block;color:var(--leaf-deep);font-size:1.02rem}
.logos .lg span{font-size:.82rem;color:var(--ink-soft)}

/* list */
.checks{list-style:none;padding:0;margin:0}
.checks li{position:relative;padding:.4rem 0 .4rem 2rem;color:var(--ink-soft)}
.checks li:before{content:"";position:absolute;left:0;top:.85rem;width:12px;height:12px;
  border-radius:50%;background:linear-gradient(135deg,var(--sun),var(--leaf))}

/* cta band */
.cta{background:linear-gradient(135deg,var(--sun),var(--sun-deep));color:#3a2402;text-align:center}
.cta h2{color:#2a1a02}
.cta p{color:#5a3c0a;max-width:60ch;margin-left:auto;margin-right:auto}
.cta .btn-dark{margin-top:1.4rem}

/* calculator */
.calc{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start}
.calc .panel{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:700;margin-bottom:.4rem;font-size:.95rem}
.field input,.field select{width:100%;padding:.75rem .9rem;border:1px solid var(--line);
  border-radius:12px;font-size:1rem;font-family:inherit;background:#fff}
.field small{color:var(--ink-soft);font-size:.82rem}
.results{background:linear-gradient(140deg,var(--leaf-deep),var(--leaf-ink));color:#fff;
  border-radius:var(--radius-lg);padding:30px}
.results .eyebrow{color:var(--sun)}
.rgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:.5rem}
.rgrid .r b{display:block;font-size:1.9rem;font-weight:800;color:var(--sun);letter-spacing:-.02em;line-height:1}
.rgrid .r span{font-size:.85rem;color:rgba(255,255,255,.82)}
.results .note{font-size:.78rem;color:rgba(255,255,255,.62);margin-top:1.4rem;border-top:1px solid rgba(255,255,255,.2);padding-top:1rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px}
.contact-card b{color:var(--leaf-deep);font-size:1.05rem}
.contact-card a{color:var(--ink-soft);font-weight:600}

/* note / caveat */
.note-box{background:var(--bg-soft);border:1px dashed var(--line);border-radius:14px;
  padding:18px 22px;font-size:.9rem;color:var(--ink-soft)}

/* footer */
footer.site{background:var(--leaf-ink);color:rgba(255,255,255,.82);padding:60px 0 28px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
footer.site h4{color:#fff;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase}
footer.site a{color:rgba(255,255,255,.78);display:block;padding:.25rem 0;font-weight:500}
footer.site a:hover{color:var(--sun)}
footer.site .brand{color:#fff}
footer.site .brand em{color:var(--sun)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;
  font-size:.82rem;color:rgba(255,255,255,.6);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.pill{display:inline-block;background:rgba(255,255,255,.1);border-radius:999px;padding:.3rem .8rem;
  font-size:.8rem;margin:.2rem .3rem .2rem 0}

/* responsive */
@media(max-width:900px){
  .nav-links{position:fixed;inset:70px 0 auto 0;background:#fff;flex-direction:column;
    align-items:flex-start;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-sm);display:none}
  .nav-links.open{display:flex}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:.7rem 0;width:100%}
  .burger{display:block}
  .g3,.g2,.data,.stats,.calc,.contact-grid,footer.site .cols{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .data{grid-template-columns:repeat(2,1fr)}
}