/* ARIA Construction Group — brand-aligned styles */
:root{
  --navy:#000025;
  --teal:#00859a;
  --teal-light:#4dadbb;
  --ink:#0c0c2e;
  --paper:#ffffff;
  --mist:#f4f6f7;
  --line:rgba(0,0,37,.12);
  --maxw:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{
  max-width:100vw;overflow-x:hidden;
  font-family:'Montserrat',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--navy);background:var(--paper);
  line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;line-height:1.12;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.5vw,4.6rem)}
h2{font-size:clamp(1.9rem,3.6vw,3rem)}
h3{font-size:clamp(1.2rem,1.8vw,1.5rem)}
p{font-weight:400}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--teal);margin-bottom:18px}
.btn{display:inline-block;padding:15px 34px;font-weight:600;font-size:.92rem;letter-spacing:.04em;border:1.5px solid var(--navy);transition:.25s;cursor:pointer}
.btn-solid{background:var(--navy);color:#fff}
.btn-solid:hover{background:var(--teal);border-color:var(--teal)}
.btn-ghost{background:transparent;color:var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.btn-light{border-color:#fff;color:#fff}
.btn-light:hover{background:#fff;color:var(--navy)}

/* Header */
header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:96px}
.nav .logo img{height:38px;display:block}
.nav ul{display:flex;list-style:none;gap:34px;align-items:center}
.nav ul a{font-size:.86rem;font-weight:600;letter-spacing:.03em;position:relative;padding:4px 0}
.nav ul a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--teal);transition:.25s}
.nav ul a:hover::after,.nav ul a.active::after{width:100%}
.nav .cta{padding:11px 24px;font-size:.82rem}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.burger span{width:26px;height:2px;background:var(--navy);display:block}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:
  radial-gradient(circle at 80% 20%,rgba(0,133,154,.28),transparent 55%),
  linear-gradient(180deg,#000025,#00071f)}
.hero::after{content:'';position:absolute;right:-8%;top:50%;transform:translateY(-50%);
  width:520px;height:520px;border:1px solid rgba(0,133,154,.25);}

/* JSPER logo mark used on How We Work page */
.jsper-mark{height:64px;width:auto;display:block;margin:0 auto}
@media(max-width:560px){.jsper-mark{height:48px}}

/* Image hero variant — same overlay treatment as video, but a static background image */
.hero.hero-image{background:var(--navy) center/cover no-repeat}
.hero.hero-image::before{
  background:
    radial-gradient(circle at 80% 20%,rgba(0,133,154,.30),transparent 55%),
    linear-gradient(180deg,rgba(0,0,37,.72),rgba(0,7,31,.88));
  z-index:1
}
.hero.hero-image::after{z-index:1}
.hero.hero-image .wrap,.hero.hero-image .scrolldot{position:relative;z-index:2}

/* Video hero variant — layer video below gradient overlay, text on top */
.hero.hero-video{background:var(--navy) center/cover no-repeat}
.hero-bg-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;pointer-events:none}
.hero.hero-video::before{
  background:
    radial-gradient(circle at 80% 20%,rgba(0,133,154,.30),transparent 55%),
    linear-gradient(180deg,rgba(0,0,37,.70),rgba(0,7,31,.85));
  z-index:1
}
.hero.hero-video::after{z-index:1}
.hero.hero-video .wrap,.hero.hero-video .scrolldot{position:relative;z-index:2}
@media(prefers-reduced-motion:reduce){.hero-bg-video{display:none}}
.hero .wrap{position:relative;padding:96px 28px 104px}
.hero h1{max-width:14ch;font-size:clamp(2.3rem,4.2vw,3.5rem)}
.hero h1 .tealbar{color:var(--teal)}
.hero p{max-width:52ch;margin:28px 0 40px;font-size:1.12rem;color:rgba(255,255,255,.78)}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap}
.scrolldot{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-size:.72rem;letter-spacing:.25em;color:rgba(255,255,255,.5);text-transform:uppercase}

/* Sections */
section{padding:104px 0}
.section-head{max-width:680px;margin-bottom:60px}
.section-head h2{margin-top:6px}
.section-head.center{margin:0 auto 60px;text-align:center}

.mist{background:var(--mist)}
.dark{background:var(--navy);color:#fff}
.dark .eyebrow{color:var(--teal-light)}

/* What we do */
.lead{font-size:clamp(1.25rem,2.4vw,1.9rem);font-weight:600;line-height:1.4;max-width:24ch}
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split p{color:rgba(0,0,37,.72);margin-bottom:18px}

/* Services grid */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{background:#fff;border:1px solid var(--line);padding:42px 36px;transition:.3s}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 50px rgba(0,0,37,.1)}
.card .num{font-size:.8rem;font-weight:700;color:var(--teal);letter-spacing:.2em}
.card h3{margin:18px 0 14px}
.card p{color:rgba(0,0,37,.68);font-size:.96rem}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.stat .n{font-size:clamp(2.4rem,4vw,3.4rem);font-weight:700;color:var(--teal-light)}
.stat .l{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.66);margin-top:8px}

/* Process */
.steps{display:grid;grid-template-columns:1fr 1fr;gap:0}
.step{padding:42px 44px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.step:nth-child(2n){border-right:0}
.step .si{font-size:.85rem;font-weight:700;color:var(--teal);letter-spacing:.2em}
.step h3{margin:14px 0 12px}
.step p{color:rgba(0,0,37,.66);font-size:.95rem}

/* Projects */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.proj{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--navy);color:#fff;display:flex;align-items:flex-end;padding:30px;background-size:cover;background-position:center}
.proj::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#001a3a,#000025);opacity:.9;transition:.4s}
.proj:hover::before{opacity:1;background:linear-gradient(135deg,#00859a,#000025)}
/* Photo variant: image bg, dark gradient from bottom for legibility */
.proj.proj-photo::before{background:linear-gradient(180deg,transparent 30%,rgba(0,0,37,.88) 100%);opacity:1}
.proj.proj-photo:hover::before{background:linear-gradient(180deg,transparent 10%,rgba(0,0,37,.72) 100%)}
.proj-inner{position:relative;z-index:1}
.proj .tag{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal-light)}
.proj h3{margin-top:8px;font-size:1.25rem}

/* Project case study page */
.case-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:60px}
.case-meta div{}
.case-meta .lbl{font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:8px}
.case-meta .val{font-size:1.05rem;font-weight:500}
.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:30px}
.gframe{position:relative;overflow:hidden}
.gframe img{width:100%;height:100%;object-fit:cover;display:block;aspect-ratio:4/3}
.gframe .glabel{position:absolute;top:18px;left:18px;background:var(--navy);color:#fff;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;padding:6px 12px;font-weight:600}
@media(max-width:760px){
  .case-meta{grid-template-columns:1fr;gap:20px;padding:32px 0;margin-bottom:40px}
  .gallery{grid-template-columns:1fr;gap:14px}
}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.cinfo div{margin-bottom:26px}
.cinfo .lbl{font-size:.76rem;letter-spacing:.2em;text-transform:uppercase;color:var(--teal);margin-bottom:6px}
.cinfo a,.cinfo p{font-size:1.05rem;font-weight:500}
form{display:grid;gap:18px}
input,textarea{font-family:inherit;font-size:.95rem;padding:15px 16px;border:1px solid var(--line);background:#fff;width:100%}
input:focus,textarea:focus{outline:2px solid var(--teal)}
textarea{min-height:130px;resize:vertical}

/* Footer */
footer{background:var(--navy);color:rgba(255,255,255,.7);padding:80px 0 36px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:54px;border-bottom:1px solid rgba(255,255,255,.12)}
footer img{height:34px;margin-bottom:22px}
footer h4{color:#fff;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;margin-bottom:20px;font-weight:700}
footer ul{list-style:none;display:grid;gap:12px}
footer ul a{font-size:.92rem;transition:.2s}
footer ul a:hover{color:var(--teal-light)}
.fbar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;padding-top:30px;font-size:.82rem;color:rgba(255,255,255,.5)}

.js /* Dropdown nav */
.nav li.has-sub{position:relative}
.nav .sub{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);min-width:230px;padding:10px 0;opacity:0;visibility:hidden;transition:.22s;box-shadow:0 20px 44px rgba(0,0,37,.12)}
.nav li.has-sub:hover .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav .sub li{display:block}
.nav .sub a{display:block;padding:11px 24px;font-size:.84rem}
.nav .sub a::after{display:none}
.nav .sub a:hover{background:var(--mist);color:var(--teal)}

/* Client / accreditation logos */
.logos{display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:center}
.logos .litem{width:220px;height:120px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;padding:18px;transition:.25s;overflow:hidden}
.logos .litem img{max-width:100%;max-height:100%;object-fit:contain;display:block;filter:grayscale(.15);transition:.25s}
.logos .litem:hover{transform:translateY(-3px);border-color:rgba(0,0,37,.22)}
.logos .litem:hover img{filter:none}
.dark .logos .litem{border-color:rgba(255,255,255,.18)}

/* Feature list */
.flist{display:grid;grid-template-columns:1fr 1fr;gap:34px 50px}
.fitem h3{font-size:1.12rem;margin-bottom:10px;display:flex;align-items:center;gap:12px}
.fitem h3::before{content:'';width:26px;height:2px;background:var(--teal);display:inline-block}
.fitem p{color:rgba(0,0,37,.66);font-size:.95rem}
.dark .fitem p{color:rgba(255,255,255,.7)}

/* On-site feature (homepage photo band) */
.onsite{background:var(--mist)}
.onsite .wrap{display:grid;grid-template-columns:auto 1fr;gap:70px;align-items:center}
.onsite-img{width:380px;flex:none}
.onsite-img img{width:100%;height:auto;display:block}
.onsite-text{max-width:520px}
.onsite-text h2{margin:6px 0 22px}
.onsite-text p{color:rgba(0,0,37,.72);margin-bottom:28px;font-size:1.02rem;line-height:1.65}
.onsite-text .btn{align-self:flex-start}

@media(max-width:900px){
  .onsite .wrap{grid-template-columns:1fr;gap:36px}
  .onsite-img{width:100%;max-width:420px;margin:0 auto}
}

/* Team */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.member{background:#fff;border:1px solid var(--line)}
.member .ph{aspect-ratio:4/5;background:linear-gradient(150deg,#001a3a,#000025);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.25);font-size:3rem;font-weight:700}
.member .mb{padding:26px 28px}
.member h3{font-size:1.15rem}
.member .role{color:var(--teal);font-size:.82rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;margin:6px 0 12px}
.member p{font-size:.9rem;color:rgba(0,0,37,.65)}

/* Accreditation cards */
.acc{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.acard{border:1px solid var(--line);padding:36px 32px;background:#fff;display:flex;gap:26px;align-items:flex-start;transition:.25s}
.acard:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(0,0,37,.08);border-color:rgba(0,0,37,.18)}
.acard .badge{flex:none;width:96px;height:96px;border-radius:50%;background:var(--navy);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;border:3px solid var(--teal);text-align:center;padding:6px}
.acard .badge .bnum{font-size:1.05rem;font-weight:700;letter-spacing:.02em;line-height:1.05}
.acard .badge .btag{font-size:.52rem;font-weight:600;letter-spacing:.16em;color:rgba(255,255,255,.7);margin-top:3px}
.acard .badge .big{font-size:1.2rem;font-weight:700;letter-spacing:.06em}
.acard .badge.badge-logo{background:#fff;border:none;width:128px;height:128px;padding:0}
.acard .badge.badge-logo img{width:100%;height:100%;object-fit:contain}
.acard h3{font-size:1.15rem;margin-bottom:4px}
.acard .lab{font-size:.74rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:12px}
.acard p{font-size:.93rem;color:rgba(0,0,37,.66);line-height:1.62}
.acard .cert{margin-top:14px;font-size:.78rem;color:rgba(0,0,37,.5);letter-spacing:.02em}

@media(max-width:900px){
  .flist,.team,.acc{grid-template-columns:1fr}
  .nav .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0 0 0 16px;min-width:0}
  .nav li.has-sub:hover .sub{transform:none}
}

.js .reveal{opacity:0;transform:translateY(30px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.js .reveal{opacity:1!important;transform:none!important;transition:none}}

@media(max-width:900px){
  .nav ul{position:fixed;inset:96px 0 auto 0;background:#fff;flex-direction:column;padding:30px;gap:22px;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.35s}
  .nav ul.open{transform:none}
  .burger{display:flex}
  .split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .grid3,.pgrid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;gap:40px 20px}
  .steps{grid-template-columns:1fr}
  .step{border-right:0}
  .fgrid{grid-template-columns:1fr 1fr;gap:34px 24px}
  section{padding:72px 0}
  .hero .wrap{padding:72px 28px 64px}
}
@media(max-width:560px){
  .fgrid{grid-template-columns:1fr;gap:32px}
  .fbar{flex-direction:column;gap:8px}
  section{padding:56px 0}
  .section-head{margin-bottom:36px}
  .js .reveal{transform:translateY(16px);transition:.5s ease-out}
}