/* ===========================================================
   Costa Architectural Signage — one-page landing
   Premium olive / white, split hero, photo service cards
   =========================================================== */

:root{
  --olive:#6f7551;         /* primary brand (buttons, form panel) */
  --olive-deep:#565d3c;    /* headlines */
  --olive-ink:#3d4230;     /* dark text on light */
  --olive-tint:#eceee4;    /* faint wash */
  --band:#f2f2ec;          /* light gray section band */
  --line:#e2e3da;          /* hairline rules */
  --white:#ffffff;
  --ink:#3a3d34;           /* body text */
  --muted:#676b5c;         /* secondary text — WCAG AA on white (5.48:1) & band (4.87:1) */

  --maxw:1500px;
  --pad:clamp(20px,5vw,64px);
  --radius:3px;

  --f-head:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-body:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--f-body);color:var(--ink);background:var(--white);
  line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
picture{display:contents}
a{color:inherit}
.vh{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* --- type system --- */
.kicker{
  font-family:var(--f-head);text-transform:uppercase;letter-spacing:.3em;
  font-size:.68rem;font-weight:600;color:var(--olive);margin:0 0 14px;
}
h1,h2,h3{font-family:var(--f-head);text-transform:uppercase;margin:0;line-height:1.1}
h2{font-weight:700;letter-spacing:.04em;font-size:clamp(1.5rem,3vw,2.15rem);color:var(--olive-ink)}
h3{font-weight:700;letter-spacing:.06em;font-size:.98rem}
p{margin:0 0 1rem}

.section{padding:clamp(56px,7vw,92px) 0}
.section-head{text-align:center;max-width:640px;margin:0 auto clamp(34px,4vw,48px)}
.section-head .kicker{margin-bottom:10px}
.section-head p{color:var(--muted);margin:10px 0 0}

/* --- buttons --- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-family:var(--f-head);text-transform:uppercase;letter-spacing:.1em;
  font-weight:600;font-size:.78rem;padding:15px 28px;border-radius:var(--radius);
  border:1.5px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform .15s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--olive);color:#fff;border-color:var(--olive)}
.btn-primary:hover{background:var(--olive-deep);border-color:var(--olive-deep)}
.btn-outline{background:transparent;color:var(--olive-ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--olive);color:var(--olive-deep)}
.btn-white{background:#fff;color:var(--olive-deep);border-color:#fff}
.btn-white:hover{background:var(--olive-ink);color:#fff;border-color:var(--olive-ink)}

/* ===========================================================
   HEADER
   =========================================================== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:96px;gap:24px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--olive-ink)}
.logo .logo-img{height:76px;width:auto;display:block}
.nav{display:flex;align-items:center;gap:28px}
.nav a:not(.btn){font-family:var(--f-head);text-transform:uppercase;letter-spacing:.09em;font-size:.72rem;font-weight:600;text-decoration:none;color:var(--olive-ink)}
.nav a:not(.btn):hover{color:var(--olive)}
.nav .btn{padding:12px 22px;color:#fff}
.nav .btn:hover{color:#fff}
.nav-toggle{display:none}
.mobile-menu{display:none}
@media(max-width:900px){
  .nav a:not(.btn){display:none}
  .nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;background:transparent;border:0;cursor:pointer;flex:0 0 auto}
  .nav-toggle span{display:block;width:24px;height:2px;margin:0 auto;background:var(--olive-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
  .site-header.menu-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .site-header.menu-open .nav-toggle span:nth-child(2){opacity:0}
  .site-header.menu-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .mobile-menu:not([hidden]){display:flex;flex-direction:column;background:#fff;border-top:1px solid var(--line);box-shadow:0 14px 24px -18px rgba(0,0,0,.4)}
  .mobile-menu a{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;font-weight:700;color:var(--olive-ink);text-decoration:none;padding:16px 26px;border-bottom:1px solid var(--line)}
  .mobile-menu a:last-child{border-bottom:0}
  .mobile-menu a:hover{background:var(--olive-tint);color:var(--olive)}
}
@media(max-width:520px){.logo .logo-img{height:58px}.site-header .wrap{min-height:76px;gap:12px}.nav .btn{padding:10px 14px;font-size:.74rem;letter-spacing:.04em}.nav .btn .call-label{display:none}}

/* ===========================================================
   HERO (split)
   =========================================================== */
.hero{position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:minmax(0,46%) minmax(0,54%);align-items:stretch;gap:0}
.hero-text{padding:clamp(48px,6vw,90px) clamp(24px,3vw,48px) clamp(48px,6vw,90px) 0}
.hero h1{font-weight:800;letter-spacing:.01em;color:var(--olive-deep);font-size:clamp(1.9rem,4.4vw,3.05rem);line-height:1.06;margin:0}
.hero h1 .thin{font-weight:600;color:var(--olive-ink)}
.hero .rule{width:170px;height:2px;background:var(--line);margin:26px 0 24px}
.hero-text p{color:var(--muted);max-width:420px;font-size:.98rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-photo{position:relative;min-height:420px;margin-right:calc(-1 * var(--pad))}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero-photo::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,#fff 0%,rgba(255,255,255,.55) 12%,rgba(255,255,255,0) 30%);pointer-events:none}
@media(max-width:820px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-text{padding:44px 0 32px;order:2}
  .hero-photo{order:1;min-height:300px;margin:0 calc(-1 * var(--pad));}
  .hero-photo::before{background:linear-gradient(0deg,#fff 0%,rgba(255,255,255,0) 22%)}
}

/* ===========================================================
   TRUST BAR (4 stats)
   =========================================================== */
.trustbar{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trustbar .grid{display:grid;grid-template-columns:repeat(4,1fr);padding:clamp(34px,4vw,48px) 0}
.stat{text-align:center;padding:4px clamp(14px,2vw,32px);border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat .num{font-family:var(--f-head);font-weight:700;font-size:clamp(1.5rem,2.6vw,2rem);color:var(--olive-deep);letter-spacing:.02em;line-height:1}
.stat .lbl{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.12em;font-size:.68rem;font-weight:600;color:var(--olive-ink);margin:10px 0 8px}
.stat p{font-size:.82rem;color:var(--muted);margin:0}
@media(max-width:760px){.trustbar .grid{grid-template-columns:1fr 1fr;gap:30px 0}.stat:nth-child(3){border-left:0}}
@media(max-width:440px){.trustbar .grid{grid-template-columns:1fr}.stat{border-left:0}}

/* ===========================================================
   SERVICES (photo cards)
   =========================================================== */
.svc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.svc-card{display:flex;flex-direction:column}
.svc-card .thumb{aspect-ratio:6/5;overflow:hidden;border-radius:var(--radius);background:var(--olive-tint)}
.svc-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.svc-card:hover .thumb img{transform:scale(1.05)}
.svc-card h3{margin:16px 0 10px;color:var(--olive-ink)}
.svc-card .cdiv{width:26px;height:2px;background:var(--olive);margin-bottom:12px}
.svc-card p{font-size:.86rem;color:var(--muted);margin:0}
@media(max-width:940px){.svc-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:640px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.svc-grid{grid-template-columns:1fr}}

/* ===========================================================
   PORTFOLIO
   =========================================================== */
.portfolio{padding-bottom:0}
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.shot{aspect-ratio:1/1;overflow:hidden;border-radius:var(--radius);background:var(--olive-tint)}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.shot:hover img{transform:scale(1.06)}
@media(max-width:820px){.gallery-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:460px){.gallery-grid{grid-template-columns:repeat(2,1fr)}}

.badges{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.badges .row{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(30px,6vw,90px);padding:30px 0}
.badge{display:flex;align-items:center;gap:14px}
.badge .ic{width:30px;height:30px;color:var(--olive);flex:0 0 auto}
.badge b{display:block;font-family:var(--f-head);text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;color:var(--olive-ink)}
.badge span{font-size:.8rem;color:var(--muted)}
@media(max-width:560px){.badges .row{flex-direction:column;align-items:flex-start;gap:22px;padding:26px clamp(20px,7vw,32px)}}

/* ===========================================================
   LEAD FORM
   =========================================================== */
.lead{background:var(--olive);color:#fff}
.lead .wrap{display:grid;grid-template-columns:minmax(0,42%) minmax(0,58%);gap:clamp(30px,5vw,64px);align-items:center;padding-top:clamp(48px,6vw,76px);padding-bottom:clamp(48px,6vw,76px)}
.lead-copy{position:relative}
.lead-copy h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.12}
.lead-copy .sub{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.05em;font-weight:600;font-size:1rem;color:#fff;margin:18px 0 16px}
.lead-copy p{color:#fff;font-size:.92rem;max-width:340px;margin:0}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column}
.field.full{grid-column:1 / -1}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:.92rem;color:var(--ink);
  padding:14px 16px;border:1px solid rgba(255,255,255,.5);border-radius:var(--radius);
  background:#fff;transition:box-shadow .15s ease,border-color .15s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#9a9d8f}
.field select{color:var(--muted)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.field textarea{resize:vertical;min-height:120px}
.quote-form .btn{width:100%;margin-top:2px;padding:16px}
.form-success{display:none;background:#fff;color:var(--olive-ink);border-radius:var(--radius);padding:26px;text-align:center}
.form-success.show{display:block}
.form-success h3{color:var(--olive-deep);margin:0 0 8px}
.form-success p{color:var(--muted);margin:0}
@media(max-width:820px){.lead .wrap{grid-template-columns:1fr;gap:32px}}
@media(max-width:520px){.form-grid{grid-template-columns:1fr}}

/* ===========================================================
   FOOTER
   =========================================================== */
.site-footer{background:var(--band);color:var(--ink);border-top:1px solid var(--line)}
.site-footer .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:38px;align-items:center;padding-top:52px;padding-bottom:44px}
.foot-brand .logo .logo-img{height:104px}
.foot-tagline{border-left:1px solid var(--line);padding-left:38px;align-self:stretch;min-height:104px;display:flex;flex-direction:column;justify-content:center}
.foot-tagline .tag{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;color:var(--muted);line-height:1.7}
.foot-col h3{font-family:var(--f-head);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:var(--olive-ink);margin:0 0 16px}
.foot-col a,.foot-col div{display:block;font-size:.85rem;color:var(--muted);text-decoration:none;margin-bottom:10px}
.foot-col a:hover{color:var(--olive)}
.foot-contact a{display:flex;align-items:center;gap:9px}
.foot-contact svg{width:15px;height:15px;color:var(--olive);flex:0 0 auto}
.foot-bottom{border-top:1px solid var(--line)}
.foot-bottom .wrap{display:block;padding:18px 0;text-align:center}
.foot-bottom p{margin:0;font-size:.76rem;color:var(--muted)}
.foot-legal{margin-top:7px!important}
.foot-legal a{color:var(--muted);text-decoration:none}
.foot-legal a:hover{color:var(--olive)}
@media(max-width:820px){.site-footer .wrap{grid-template-columns:1fr 1fr;gap:30px}.foot-tagline{border-left:0;padding-left:0}}
@media(max-width:460px){.site-footer .wrap{grid-template-columns:1fr}}

/* reveal-on-scroll */
/* Transform-only reveal (no opacity fade) so text never renders at a partial
   opacity that trips WCAG contrast mid-animation. Still slides up into place. */
.reveal{transform:translateY(16px);transition:transform .6s ease}
.reveal.in{transform:none}
@media(prefers-reduced-motion:reduce){.reveal{transform:none;transition:none}html{scroll-behavior:auto}}

/* image containers (positioning context for hover zoom) */
.hero-photo,.svc-card .thumb,.shot{position:relative}