/* ============================================================
   SUNSPAN — shared stylesheet
   Edit a colour or size here and it changes on every page.
   ============================================================ */
:root{
  --navy:#0E2131;
  --heading:#142D42;
  --gold:#F2C94C;
  --cream:#FFF5D4;
  --white:#FFFFFF;
  --body:#5C6672;
  --line:#E6E2D6;
  --wrap:1200px;
  --gutter:clamp(1.25rem,4vw,3.5rem);
  --f-head:'Saira',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--f-body);color:var(--heading);background:var(--white);
  font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}

h1,h2,h3,h4{font-family:var(--f-head);margin:0;line-height:1.1;color:var(--heading)}
h1{font-size:clamp(2.1rem,5vw,3.5rem);font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:800;letter-spacing:-.005em}
h3{font-size:1.05rem;font-weight:700}
p{margin:0 0 1rem} p:last-child{margin-bottom:0}
.lede{font-size:1.05rem;color:var(--body);max-width:62ch}

.btn{display:inline-block;font-family:var(--f-body);font-weight:600;font-size:.82rem;
  letter-spacing:.06em;text-transform:uppercase;text-decoration:none;padding:.85rem 1.6rem;
  border:1px solid transparent;border-radius:8px;cursor:pointer;transition:.18s}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:#193349}
.btn-gold{background:var(--gold);color:var(--navy)}
.btn-gold:hover{background:#E4B93A}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:var(--cream)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-9999px;background:var(--gold);color:var(--navy);padding:.75rem 1rem;z-index:99}
.skip:focus{left:0;top:0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;justify-content:space-between;gap:2rem;padding-block:.9rem}
.logo img{height:44px;width:auto}
.nav{display:flex;align-items:center;gap:2rem}
.nav a:not(.btn){font-size:.9rem;font-weight:500;color:var(--heading);text-decoration:none}
.nav a:not(.btn).active{text-decoration:underline;text-underline-offset:5px}
.nav a:not(.btn):hover{color:var(--navy)}
/* buttons keep their own colours inside the nav */
.nav a.btn-navy{color:#fff}
.nav a.btn-gold{color:var(--navy)}
.nav a.btn-white{color:var(--navy)}
.nav .btn{padding:.7rem 1.3rem}

/* hero */
.hero{position:relative;min-height:clamp(440px,66vh,640px);display:flex;align-items:center;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;
  background:url('images/hero.jpg') center 42%/cover no-repeat}
.hero .wrap{width:100%}
.hero-card{position:relative;z-index:2;background:rgba(255,245,212,.85);border-radius:8px;
  padding:clamp(1.75rem,3vw,2.75rem);max-width:520px;margin-block:clamp(2rem,6vw,4rem)}
.hero-card h1{margin-bottom:1rem;text-transform:uppercase}
.hero-card p{color:var(--body);font-size:.98rem;margin-bottom:1.6rem}

/* page banner (inner pages) */
.banner{position:relative;overflow:hidden;color:#fff;padding-block:clamp(3.5rem,7vw,5.5rem);
  background:var(--navy) url('images/charging-bays.jpg') center 38%/cover no-repeat}
.banner::before{content:'';position:absolute;inset:0;background:rgba(14,33,49,.82)}
.banner .wrap{position:relative;z-index:2}
.banner h1{color:#fff;text-transform:uppercase;margin-bottom:.9rem}
.banner p{color:#A6AEB8;max-width:58ch;margin:0}

/* sections */
.section{padding-block:clamp(3.5rem,7vw,6rem)}
.section-cream{background:var(--cream)}
.eyebrow{font-family:var(--f-body);font-size:.75rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--body);margin:0 0 .9rem}

/* sustainable shelter */
.shelter{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);align-items:stretch}
@media(max-width:760px){.shelter{grid-template-columns:1fr}}
.shelter-text{padding:clamp(2.5rem,5vw,4.5rem) clamp(1.25rem,4vw,3.5rem)}
.shelter-text h2{margin-bottom:2.25rem;text-transform:uppercase;max-width:12ch}
.trio{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem}
.num{width:34px;height:34px;border-radius:50%;background:var(--gold);color:var(--navy);
  font-family:var(--f-head);font-weight:700;font-size:.8rem;display:flex;align-items:center;
  justify-content:center;margin-bottom:1rem}
.trio h3{margin-bottom:.6rem}
.trio p{font-size:.9rem;color:var(--body)}
.shelter-panel{background:var(--gold);display:flex;align-items:center;justify-content:center;
  padding:clamp(2rem,4vw,3rem)}
.shelter-panel img{width:min(280px,70%);aspect-ratio:1;object-fit:cover;border-radius:50%}

/* process */
.process{text-align:center}
.process h2{text-transform:uppercase;margin:0 auto 3rem;max-width:16ch}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2.5rem;text-align:left}
.step-no{font-family:var(--f-head);font-weight:800;font-size:1.1rem;color:var(--navy);
  padding-bottom:.7rem;border-bottom:3px solid var(--gold);display:inline-block;margin-bottom:1rem}
.steps p{font-size:.92rem;color:var(--body)}

/* asset management — image band with a white card over it */
.feature-band{position:relative;display:flex;align-items:center;overflow:hidden;
  min-height:clamp(380px,50vw,560px)}
.feature-band::before{content:'';position:absolute;inset:0;
  background:url('images/canopy-wide.jpg') center 45%/cover no-repeat}
.feature-band .wrap{width:100%}
.feature-card{position:relative;z-index:2;background:rgba(255,255,255,.88);border-radius:8px;
  padding:clamp(1.75rem,3vw,2.75rem);max-width:580px;margin-block:clamp(2rem,5vw,3.5rem)}
.feature-card h2{text-transform:uppercase;margin-bottom:1.1rem}
.feature-card p{color:var(--body);margin-bottom:1.7rem}

/* solutions — image beside the text */
.solutions-split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:clamp(2rem,5vw,4.5rem);align-items:center}
@media(max-width:700px){.solutions-split{grid-template-columns:1fr}}
.solutions-img img{width:100%;height:clamp(300px,42vw,540px);object-fit:cover;object-position:center 55%}
#solutions h2{text-transform:uppercase}
.sol-list{margin:2rem 0 2.5rem;display:grid;gap:1.9rem}
.sol-item h3{margin-bottom:.45rem}
.sol-item p{font-size:.95rem;color:var(--body);margin:0}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:clamp(2rem,5vw,4rem);align-items:start}
@media(max-width:760px){.contact-grid{grid-template-columns:1fr}}
.field{margin-bottom:1.1rem}
.field label{display:block;font-size:.82rem;font-weight:600;letter-spacing:.04em;
  text-transform:uppercase;color:var(--heading);margin-bottom:.4rem}
.field input,.field select,.field textarea{width:100%;font-family:var(--f-body);font-size:1rem;
  color:var(--heading);background:#fff;border:1px solid var(--line);padding:.8rem .9rem}
.field textarea{min-height:150px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}
.hidden{position:absolute;left:-9999px}
.info-box{background:var(--cream);padding:2rem 1.75rem;border-left:4px solid var(--gold)}
.info-box h3{margin-bottom:1rem}
.info-box dl{margin:0}
.info-box dt{font-size:.72rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--body);margin-top:1rem}
.info-box dd{margin:.15rem 0 0}
.info-box a{color:var(--navy)}

/* portfolio */
.projects{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}
.project{border:1px solid var(--line);background:#fff}
.project-img{height:210px;background:var(--cream);display:flex;align-items:center;
  justify-content:center;color:var(--body);font-size:.8rem;letter-spacing:.1em;
  text-transform:uppercase;border-bottom:1px solid var(--line)}
.project-img img{width:100%;height:100%;object-fit:cover}
.project-body{padding:1.6rem 1.5rem}
.project-body h3{margin-bottom:.5rem}
.project-meta{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--body);margin-bottom:.9rem}
.project-body p{font-size:.92rem;color:var(--body)}

/* footer */
.site-footer{background:#fff;color:var(--body);border-top:1px solid var(--line);
  padding-block:3rem 2rem;font-size:.9rem}
.foot-in{display:flex;flex-wrap:wrap;gap:2rem 3rem;justify-content:space-between;align-items:flex-start}
.site-footer img{height:66px;width:auto}
.site-footer a{color:var(--navy);text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.foot-meta{line-height:1.9;font-size:.82rem}
.foot-base{border-top:1px solid var(--line);margin-top:2.25rem;padding-top:1.4rem;
  font-size:.8rem;display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.ph{border-bottom:1px dotted var(--gold);white-space:nowrap}

/* ══════════════════════════════════════════════════════
   ADDED FEATURES
   ══════════════════════════════════════════════════════ */

/* mobile menu */
.menu-btn{display:none;background:none;border:0;padding:.5rem;cursor:pointer;
  width:44px;height:44px;align-items:center;justify-content:center}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);position:relative}
.menu-btn span::before,.menu-btn span::after{content:'';position:absolute;left:0;width:22px;
  height:2px;background:var(--navy);transition:.2s}
.menu-btn span::before{top:-7px} .menu-btn span::after{top:7px}
.menu-btn[aria-expanded="true"] span{background:transparent}
.menu-btn[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.menu-btn[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}
@media(max-width:820px){
  .menu-btn{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem var(--gutter) 1.25rem;
    display:none;box-shadow:0 12px 24px rgba(14,33,49,.08)}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:.85rem 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav .btn{margin-top:1rem;text-align:center}
  .site-header{position:sticky}
  .header-in{position:relative}
}

/* sectors */
.sectors{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1px;
  background:var(--line);border-block:1px solid var(--line)}
.sector{background:#fff;padding:1.6rem 1.4rem;text-align:center}
.sector strong{display:block;font-family:var(--f-head);font-size:.98rem;color:var(--heading);
  margin-bottom:.3rem}
.sector span{font-size:.82rem;color:var(--body)}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:clamp(2rem,4vw,3.5rem);align-items:start;margin-top:2.5rem}
@media(max-width:760px){.calc{grid-template-columns:1fr}}
.calc-inputs{background:#fff;border:1px solid var(--line);border-radius:8px;padding:1.9rem 1.75rem}
.calc-field{margin-bottom:1.5rem}
.calc-field:last-child{margin-bottom:0}
.calc-field label{display:block;font-size:.8rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--heading);margin-bottom:.55rem}
.calc-field input[type=range]{width:100%;accent-color:var(--gold)}
.calc-field .val{font-family:var(--f-head);font-weight:700;font-size:1.6rem;color:var(--navy);
  display:block;margin-bottom:.3rem}
.calc-field input[type=number]{width:100%;font-family:var(--f-body);font-size:1rem;
  border:1px solid var(--line);border-radius:6px;padding:.7rem .85rem;color:var(--heading)}
.calc-results{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:8px;overflow:hidden}
@media(max-width:480px){.calc-results{grid-template-columns:1fr}}
.res{background:#fff;padding:1.5rem 1.4rem}
.res-num{font-family:var(--f-head);font-weight:800;font-size:clamp(1.5rem,2.6vw,2rem);
  color:var(--navy);line-height:1.1;margin-bottom:.25rem}
.res-num .unit{font-size:.9rem;font-weight:600;color:var(--body);margin-left:.15rem}
.res-lbl{font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;color:var(--body)}
.res.span-2{grid-column:1 / -1}
.res.span-2 .res-num{font-size:clamp(2rem,4vw,3rem)}
.res.highlight{background:var(--gold)}
.res.highlight .res-num{color:var(--navy)}
.res.highlight .res-lbl{color:#6B5A18}
.calc-note{font-size:.8rem;color:var(--body);margin-top:1.25rem;line-height:1.6}
.calc-cta{margin-top:1.5rem}
.calc-cta{margin-top:1.5rem}

/* FAQ */
.faq{max-width:820px;margin-top:2.5rem}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:1.25rem 2.5rem 1.25rem 0;position:relative;
  font-family:var(--f-head);font-weight:600;font-size:1.02rem;color:var(--heading)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:.5rem;top:1.55rem;width:10px;height:10px;
  border-right:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(45deg);transition:.2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:1.75rem}
.faq summary:hover{color:var(--navy)}
.faq .answer{padding:0 2.5rem 1.4rem 0;color:var(--body);font-size:.95rem}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(20px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* back to top */
.to-top{position:fixed;right:1.25rem;bottom:1.25rem;width:46px;height:46px;border-radius:50%;
  background:var(--navy);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;
  opacity:0;pointer-events:none;transition:.25s;z-index:60;box-shadow:0 6px 18px rgba(14,33,49,.25)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--gold);color:var(--navy)}
.to-top svg{width:18px;height:18px}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* legal / long-form text pages */
.legal{max-width:800px}
.legal h2{font-size:1.3rem;margin-top:2.3rem;margin-bottom:.6rem}
.legal h2:first-child{margin-top:0}
.legal p{margin-bottom:.9rem;color:#3D4753}
.legal a{color:var(--navy);text-decoration:underline}
.legal strong{color:var(--heading)}