/* ===========================================================
   Prozus — Site Stylesheet
   Brand: Ivory/Navy/Teal with signature Prozus Red accent
   Fonts: Montserrat (headings/UI) + system sans (body) — matches
   the live brand typography (Montserrat + Helvetica) on prozus.com
   =========================================================== */

:root{
  --ink:#0F1B2D;
  --paper:#FAFAF9;
  --alt:#F0F4F3;
  --red:#E8261B;
  --red-dark:#C91F16;
  --teal:#0E7C86;
  --gold:#F2A93B;
  --gray:#5B6472;
  --line:#E2E7E6;
  --white:#FFFFFF;
  --radius:10px;
  --container:1240px;
  --font-display:'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body:-apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
}
h1,h2,h3,h4,.mont{font-family:var(--font-display); font-weight:800; margin:0;}
p{margin:0;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{margin:0; padding:0; list-style:none;}
.container{max-width:var(--container); margin:0 auto; padding-inline:24px;}
.section{padding:96px 0;}
@media (max-width:768px){
  .section{padding:56px 0;}
}

.visually-hidden{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:15px 28px; border-radius:4px;
  font-family:var(--font-display); font-weight:700; font-size:15px;
  border:2px solid transparent; cursor:pointer; transition:background .15s ease, border-color .15s ease;
}
.btn-primary{background:var(--red); color:#fff;}
.btn-primary:hover{background:var(--red-dark);}
.btn-ghost{background:transparent; color:#fff; border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{border-color:#fff;}
.btn-dark{background:var(--ink); color:#fff;}
.btn-dark:hover{background:#1c2c44;}
.btn-outline{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-outline:hover{border-color:var(--ink);}

.tag{
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(232,38,27,.08); color:var(--red);
  font-family:var(--font-display); font-weight:700; font-size:12px;
  letter-spacing:1.6px; text-transform:uppercase; padding:8px 16px; border-radius:100px;
}
.tag-light{background:rgba(242,169,59,.16); color:var(--gold);}

.card{background:#fff; border:1px solid var(--line); border-radius:var(--radius);}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(250,250,249,.96); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-block:16px;
}
.logo img{height:32px; width:auto;}
.nav-links{display:flex; align-items:center; gap:36px;}
.nav-links a{font-family:var(--font-display); font-weight:600; font-size:14px; color:var(--ink);}
.nav-links a.active,.nav-links a:hover{color:var(--red);}
.header-actions{display:flex; align-items:center; gap:14px;}
.header-actions .btn{padding:12px 22px; font-size:13px;}
.nav-toggle{display:none; background:none; border:0; cursor:pointer; padding:8px;}
.nav-toggle span{display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; transition:.2s;}

@media (max-width:900px){
  .nav-links{
    position:absolute; top:100%; left:0; right:0; background:var(--paper);
    flex-direction:column; align-items:flex-start; gap:0; border-bottom:1px solid var(--line);
    max-height:0; overflow:hidden; transition:max-height .25s ease;
  }
  .nav-links.open{max-height:420px;}
  .nav-links a{padding:14px 24px; width:100%; border-top:1px solid var(--line);}
  .nav-toggle{display:block;}
  .header-actions .btn-outline-mobile{display:none;}
}

/* Hero */
.hero{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg,#0F1B2D 0%, #163049 55%, #0E7C86 130%);
  padding:96px 0 0;
}
.hero .grid-overlay{
  position:absolute; inset:0; opacity:.16; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.5) 1px, transparent 1px);
  background-size:56px 56px;
}
.hero .glow{
  position:absolute; right:-120px; top:-160px; width:520px; height:520px; border-radius:50%;
  background:radial-gradient(circle, rgba(242,169,59,.35) 0%, rgba(242,169,59,0) 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative; display:flex; gap:64px; align-items:center; flex-wrap:wrap;
  padding-bottom:64px;
}
.hero-copy{flex:1 1 520px; min-width:300px; display:flex; flex-direction:column; gap:26px;}
.hero-copy h1{font-size:54px; line-height:1.08; color:#fff;}
.hero-copy p.lede{font-size:19px; line-height:1.6; color:rgba(255,255,255,.82); max-width:520px;}
.hero-cta{display:flex; gap:16px; flex-wrap:wrap;}
.hero-media{flex:1 1 420px; min-width:280px;}
.hero-media-frame{
  position:relative; border-radius:16px; overflow:hidden; border:1px solid rgba(255,255,255,.18);
  background:linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,.02)); aspect-ratio:4/3;
  display:flex; align-items:center; justify-content:center; text-align:center; padding:32px;
}
.hero-media-frame img{width:100%; height:100%; object-fit:cover; border-radius:16px; position:absolute; inset:0;}
.hero-media-placeholder{display:flex; flex-direction:column; align-items:center; gap:10px; color:rgba(255,255,255,.7); position:relative;}
.hero-media-placeholder svg{stroke:currentColor;}
.hero-media-placeholder .label{font-family:var(--font-display); font-weight:600; font-size:13px; letter-spacing:.3px;}
.hero-media-placeholder .desc{font-size:12px; max-width:220px; line-height:1.5;}

.stat-strip{position:relative; border-top:1px solid rgba(255,255,255,.14);}
.stat-strip .container{
  display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; padding-block:36px;
}
.stat-strip .stat-num{font-size:34px; font-weight:800; color:#fff; font-family:var(--font-display);}
.stat-strip .stat-label{font-size:13px; color:rgba(255,255,255,.68);}
@media (max-width:768px){
  .stat-strip .container{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-copy h1{font-size:38px;}
}

/* Feature / two-up grid */
.grid-2{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:32px;}
.grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px;}
.grid-4{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px;}
.grid-5{display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:20px;}
@media (max-width:1000px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-5{grid-template-columns:repeat(2,minmax(0,1fr)); gap:16px;}
  .grid-3{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .grid-2{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .grid-5{grid-template-columns:1fr;}
}

.feature-card{padding:40px; display:flex; flex-direction:column; gap:16px;}
.feature-icon{width:52px; height:52px; border-radius:10px; display:flex; align-items:center; justify-content:center;}
.feature-card h3{font-size:21px;}
.feature-card p{font-size:15.5px; line-height:1.65; color:var(--gray);}

.service-card{padding:26px; display:flex; flex-direction:column; gap:12px;}
.service-card h3{font-size:16px;}
.service-card p{font-size:13.5px; color:var(--gray); line-height:1.55;}
.service-card.dark{background:var(--ink); border-color:var(--ink);}
.service-card.dark h3{color:#fff;}
.service-card.dark p{color:rgba(255,255,255,.7);}
.service-card.dark a{margin-top:auto; font-family:var(--font-display); font-weight:700; font-size:13.5px; color:var(--gold); display:inline-flex; align-items:center; gap:6px;}

.section-head{display:flex; flex-direction:column; gap:14px; margin-bottom:44px;}
.section-head.row{flex-direction:row; align-items:flex-end; justify-content:space-between; flex-wrap:wrap; gap:20px;}
.section-head h2{font-size:34px;}
.section-head p.lede{font-size:16px; color:var(--gray); max-width:640px;}

.bg-alt{background:var(--alt);}
.bg-ink{background:var(--ink); color:#fff;}

/* Case study / CTA panels */
.panel-dark{
  border-radius:16px; overflow:hidden; background:var(--ink); color:#fff;
  display:flex; align-items:center; gap:48px; padding:56px; flex-wrap:wrap;
}
.panel-dark h2{color:#fff; font-size:30px; line-height:1.3;}
.panel-dark p{color:rgba(255,255,255,.72); font-size:15.5px; line-height:1.65;}
.stat-box{background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:10px; padding:22px;}
.stat-box .num{font-size:28px; font-weight:800; color:#fff; font-family:var(--font-display);}
.stat-box .label{font-size:12.5px; color:rgba(255,255,255,.65);}

.cta-band{background:linear-gradient(120deg,#0F1B2D,#0E7C86); padding:76px 0;}
.cta-band .container{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:24px;}
.cta-band h2{font-size:30px; color:#fff; margin-bottom:8px;}
.cta-band p{font-size:15.5px; color:rgba(255,255,255,.78);}

/* Forms */
label{display:block; font-family:var(--font-display); font-weight:600; font-size:13px; margin-bottom:6px; color:var(--ink);}
input,textarea{
  width:100%; padding:13px 14px; border:1px solid var(--line); border-radius:6px;
  font-family:inherit; font-size:14.5px; background:#fff; color:var(--ink);
}
input:focus,textarea:focus{outline:2px solid var(--teal); outline-offset:1px;}
.field-row{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
@media (max-width:640px){.field-row{grid-template-columns:1fr;}}
.form-status{font-size:14px; margin-top:12px;}
.form-status.success{color:var(--teal);}
.form-status.error{color:var(--red);}

/* Footer */
.site-footer{background:var(--ink); color:rgba(255,255,255,.68);}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px;
  padding:64px 0 32px;
}
.footer-grid img{height:28px; width:auto; filter:brightness(0) invert(1);}
.footer-col{display:flex; flex-direction:column; gap:12px;}
.footer-col .col-title{
  color:#fff; font-weight:700; font-size:13px; letter-spacing:.5px;
  text-transform:uppercase; margin-bottom:6px; font-family:var(--font-display);
}
.footer-col a{font-size:13.5px;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom .container{
  padding:22px 0; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12.5px;
}
.footer-bottom a:hover{color:var(--gold);}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr; row-gap:32px;}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;}
}

/* Location chips (About page) */
.chip{padding:20px; text-align:center; font-family:var(--font-display); font-weight:700; font-size:14px;}

/* Utility */
.mt-8{margin-top:8px;} .mb-8{margin-bottom:8px;}
.text-gray{color:var(--gray);}