/* ===== Acumen Technical Services — shared stylesheet ===== */

:root{
  --acumen-blue: #1E3A5F;
  --acumen-blue-deep: #142942;
  --ink: #17181A;
  --ink-soft: #55585D;
  --paper: #FDFDFB;
  --paper-deep: #F2F1EC;
  --line: rgba(30,58,95,0.16);
  --max: 1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Carlito', sans-serif;
  font-weight:400;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Carlito', sans-serif;
  font-weight:500;
  margin:0;
  letter-spacing:0.01em;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
.wrap{max-width:var(--max); margin:0 auto; padding:0 40px;}
@media (max-width:640px){ .wrap{padding:0 22px;} }

/* ===== Curtain reveal ===== */
.curtain{
  position:fixed; inset:0; z-index:9999;
  background:var(--acumen-blue);
  animation:curtainUp 1.15s cubic-bezier(.76,0,.24,1) forwards;
  animation-delay:0.25s;
  pointer-events:none;
  display:flex; align-items:center; justify-content:center;
}
.curtain img{
  width:min(60vw, 480px);
  height:auto;
  animation:curtainMarkFade 1.15s ease forwards;
  animation-delay:0.25s;
}
@keyframes curtainUp{
  0%{transform:translateY(0);}
  100%{transform:translateY(-100%);}
}
@keyframes curtainMarkFade{
  0%{opacity:1;}
  55%{opacity:1;}
  100%{opacity:0;}
}
@media (prefers-reduced-motion: reduce){
  .curtain{animation:none; display:none;}
}

/* ===== Nav ===== */
header{
  position:static;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
nav.wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:0; padding-bottom:0;
  position:relative;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand img{height:80px; width:auto;}
.navlinks{display:flex; gap:38px; font-size:0.88rem; letter-spacing:0.03em;}
.navlinks a{color:var(--ink-soft); transition:color .2s ease; position:relative; padding-bottom:3px;}
.navlinks a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--acumen-blue); transition:width .3s ease;}
.navlinks a:hover, .navlinks a.active{color:var(--acumen-blue);}
.navlinks a:hover::after, .navlinks a.active::after{width:100%;}
.nav-toggle{
  display:none; background:none; border:none; cursor:pointer;
  width:34px; height:26px; padding:0; position:relative; flex-shrink:0;
}
.nav-toggle span{
  position:absolute; left:0; right:0; height:2px; background:var(--ink);
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle span:nth-child(1){top:0;}
.nav-toggle span:nth-child(2){top:12px;}
.nav-toggle span:nth-child(3){top:24px;}
.nav-toggle.open span:nth-child(1){transform:translateY(12px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-12px) rotate(-45deg);}
@media (max-width:600px){
  .brand img{height:52px;}
  .nav-toggle{display:block;}
  .navlinks{
    display:none;
    position:absolute; top:100%; left:0; right:0;
    flex-direction:column; gap:0;
    background:var(--paper); border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(20,41,66,0.08);
  }
  .navlinks.open{display:flex;}
  .navlinks a{padding:18px 22px; border-top:1px solid var(--line); font-size:0.95rem;}
}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:82vh;
  display:flex; align-items:flex-end;
  color:#fff;
  overflow:hidden;
}
.hero-bg{
  position:absolute; inset:0; z-index:0;
  background:url("images/hero-villa.jpg") center/cover no-repeat;
  animation:heroZoom 24s ease-in-out infinite alternate;
}
.hero-overlay{
  position:absolute; inset:0; z-index:1;
  background:linear-gradient(180deg, rgba(20,41,66,0.30), rgba(10,20,33,0.75));
}
@keyframes heroZoom{
  0%{transform:scale(1);}
  100%{transform:scale(1.1);}
}
.hero::before{
  content:"";
  position:absolute; inset:0; z-index:2;
  background-image:repeating-linear-gradient(115deg, rgba(255,255,255,0.05) 0px, rgba(255,255,255,0.05) 1px, transparent 1px, transparent 72px);
}
.hero-inner{
  position:relative; z-index:3; padding:0 40px 64px; max-width:var(--max); margin:0 auto; width:100%;
  opacity:0; transform:translateY(18px);
  animation:heroTextIn 0.9s ease forwards;
  animation-delay:1.35s;
}
@keyframes heroTextIn{ to{opacity:1; transform:translateY(0);} }
@media (prefers-reduced-motion: reduce){
  .hero-bg{animation:none;}
  .hero-inner{animation:none; opacity:1; transform:none;}
}
@media (max-width:640px){ .hero-inner{padding:0 22px 44px;} }
.hero-tag{font-size:0.82rem; letter-spacing:0.12em; text-transform:uppercase; opacity:0.75; margin-bottom:18px;}
.hero h1{
  font-size:clamp(2rem, 4.6vw, 3.4rem);
  line-height:1.15;
  max-width:26ch;
  font-weight:400;
}
.hero p.lede{
  margin-top:24px;
  max-width:52ch;
  font-size:1.05rem;
  font-family:'Carlito', sans-serif;
  opacity:0.9;
}
.hero .cta-row{margin-top:34px; display:flex; gap:18px; flex-wrap:wrap;}
.btn{
  display:inline-block;
  padding:13px 26px;
  border:1px solid currentColor;
  font-size:0.88rem;
  letter-spacing:0.03em;
  transition:background .2s ease, color .2s ease;
}
.btn.on-dark{color:#fff;}
.btn.on-dark:hover{background:#fff; color:var(--acumen-blue);}
.btn.on-light{color:var(--acumen-blue); border-color:var(--acumen-blue);}
.btn.on-light:hover{background:var(--acumen-blue); color:#fff;}

/* Secondary page header (for Services / Portfolio) */
.page-header{
  padding:88px 0 52px;
  border-bottom:1px solid var(--line);
}
.page-header .eyebrow{font-size:0.82rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--acumen-blue); margin-bottom:14px;}
.page-header h1{font-size:clamp(2rem,4.2vw,3rem);}
.page-header p{margin-top:18px; max-width:56ch; color:var(--ink-soft); font-size:1.02rem;}

/* ===== Sections ===== */
section{padding:76px 0; border-top:1px solid var(--line);}
.section-head{display:flex; justify-content:space-between; align-items:baseline; gap:24px; flex-wrap:wrap; margin-bottom:44px;}
.section-head h2{font-size:clamp(1.6rem, 3vw, 2.2rem);}
.section-head p{font-size:0.95rem; color:var(--ink-soft); max-width:36ch;}

/* Pillars (home teaser) */
.pillars{display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line);}
@media (max-width:700px){ .pillars{grid-template-columns:1fr;} }
.pillar{padding:32px 28px 32px 0; border-bottom:1px solid var(--line);}
.pillars>.pillar:not(:last-child){border-right:1px solid var(--line);}
@media (max-width:700px){ .pillars>.pillar{border-right:none !important; padding-right:0;} }
.pillar h3{font-size:1.15rem; margin-bottom:10px;}
.pillar p{font-size:0.95rem; color:var(--ink-soft);}
.pillar a.more{display:inline-block; margin-top:14px; font-size:0.85rem; color:var(--acumen-blue); border-bottom:1px solid var(--acumen-blue);}

/* Services (full page) */
.service-full{padding:44px 0; border-top:1px solid var(--line); display:grid; grid-template-columns:0.5fr 1.5fr; gap:40px;}
@media (max-width:760px){ .service-full{grid-template-columns:1fr; gap:14px;} }
.service-full .num{font-family:'Carlito', sans-serif; font-size:1.1rem; color:var(--acumen-blue);}
.service-full h3{font-size:1.5rem; margin-bottom:14px;}
.service-full p{color:var(--ink-soft); font-size:1rem; max-width:60ch;}

/* Clients */
.clients-row{display:flex; flex-wrap:wrap; gap:44px 56px; padding:6px 0;}
.clients-row span{font-family:'Carlito', sans-serif; font-size:1.4rem; color:var(--ink-soft); letter-spacing:0.02em;}

/* Work grid */
.work-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:30px;}
@media (max-width:760px){ .work-grid{grid-template-columns:1fr;} }
.work-card figure{
  margin:0; aspect-ratio:4/3; position:relative; overflow:hidden;
  background:linear-gradient(135deg, #3A5A82, #1E3A5F 55%, #101E32 100%);
}
.work-card:nth-child(2) figure{background:linear-gradient(135deg,#4A6C93,#24456C 55%,#12233A 100%);}
.work-card:nth-child(3) figure{background:linear-gradient(135deg,#2F4F76,#1A3454 55%,#0D1826 100%);}
.work-card:nth-child(4) figure{background:linear-gradient(135deg,#41628A,#20406A 55%,#0F1D30 100%);}
.work-card:nth-child(5) figure{background:linear-gradient(135deg,#355677,#1C3A5E 55%,#0E1B2C 100%);}
.work-card:nth-child(6) figure{background:linear-gradient(135deg,#4C6E97,#264A72 55%,#101F34 100%);}
.work-card:nth-child(7) figure{background:linear-gradient(135deg,#375879,#1D3B5E 55%,#0F1D2F 100%);}
.work-card figure:has(img){background:none;}
.work-card figure img{width:100%; height:100%; object-fit:cover; display:block;}
.work-card figure:has(img)::after{display:none;}
.work-card figure::after{
  content:"photo pending";
  position:absolute; bottom:14px; left:16px;
  font-size:0.7rem; letter-spacing:0.05em; color:#fff; opacity:0.7;
}
.work-card h3{margin-top:16px; font-size:1.15rem; font-weight:500;}
.work-card p{margin-top:4px; font-size:0.88rem; color:var(--ink-soft);}

/* Home featured teaser (smaller, 3-up) */
.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:26px;}
@media (max-width:700px){ .feature-grid{grid-template-columns:1fr;} }
.feature-grid figure{aspect-ratio:4/5; margin:0; background:linear-gradient(135deg,#3A5A82,#1E3A5F 55%,#101E32 100%); position:relative; overflow:hidden;}
.feature-grid .work-card:nth-child(2) figure{background:linear-gradient(135deg,#4A6C93,#24456C 55%,#12233A 100%);}
.feature-grid .work-card:nth-child(3) figure{background:linear-gradient(135deg,#2F4F76,#1A3454 55%,#0D1826 100%);}
.feature-grid figure::after{content:"photo pending"; position:absolute; bottom:12px; left:14px; font-size:0.68rem; color:#fff; opacity:0.7;}
.feature-grid h3{margin-top:14px; font-size:1.05rem; font-weight:500;}

/* Footer */
footer{border-top:1px solid var(--line); padding:34px 0; font-size:0.82rem; color:var(--ink-soft);}
.footer-grid{display:flex; justify-content:space-between; flex-wrap:wrap; gap:18px;}
.footer-grid a{border-bottom:1px solid transparent;}
.footer-grid a:hover{border-color:var(--ink-soft);}

.work-card[data-gallery]{cursor:pointer;}
.work-card figure img{transition:transform .6s ease;}
.work-card[data-gallery]:hover figure img{transform:scale(1.06);}
.work-card[data-gallery] figure::before{
  content:"View Gallery";
  position:absolute; inset:0; z-index:2;
  display:flex; align-items:center; justify-content:center;
  background:rgba(20,41,66,0); color:#fff;
  font-size:0.8rem; letter-spacing:0.1em; text-transform:uppercase;
  opacity:0; transition:opacity .35s ease, background .35s ease;
  pointer-events:none;
}
.work-card[data-gallery]:hover figure::before{
  opacity:1; background:rgba(20,41,66,0.32);
}
.lightbox{position:fixed; inset:0; z-index:300; background:rgba(10,20,33,0.96); display:none; align-items:center; justify-content:center; flex-direction:column;}
.lightbox.open{display:flex;}
.lightbox img, .lightbox video{max-width:88vw; max-height:76vh; object-fit:contain;}
.lightbox-nav{color:#fff;}
.lightbox-close{position:absolute; top:22px; right:28px; color:#fff; font-size:2rem; line-height:1; cursor:pointer; background:none; border:none;}
.lightbox-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  cursor:pointer; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.45); color:#fff;
  font-size:1.2rem; width:44px; height:44px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  transition:background .2s ease;
}
.lightbox-arrow:hover{background:rgba(255,255,255,0.18);}
#lightboxPrev{left:20px;}
#lightboxNext{right:20px;}
.lightbox-count{
  position:absolute; bottom:26px; left:50%; transform:translateX(-50%);
  font-size:0.82rem; letter-spacing:0.05em; opacity:0.8; font-family:'Carlito',sans-serif;
}

/* ===== Contact confirmation modal ===== */
.contact-modal{
  position:fixed; inset:0; z-index:400;
  background:rgba(10,20,33,0.6);
  display:none; align-items:center; justify-content:center;
  padding:24px;
}
.contact-modal.open{display:flex;}
.contact-modal-box{
  background:var(--paper); max-width:400px; width:100%;
  padding:40px 32px 32px; position:relative; text-align:center;
}
.contact-modal-box h3{font-size:1.3rem; margin-bottom:12px;}
.contact-modal-box p{color:var(--ink-soft); font-size:0.92rem; margin-bottom:8px;}
.contact-modal-box p strong{color:var(--ink); font-weight:600;}
.contact-modal-actions{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-top:24px;}
.contact-modal-close{
  position:absolute; top:12px; right:14px; background:none; border:none;
  font-size:1.7rem; line-height:1; cursor:pointer; color:var(--ink-soft);
}
.contact-modal-cancel{
  padding:13px 24px; border:1px solid var(--ink-soft); background:none;
  font-size:0.86rem; color:var(--ink-soft); cursor:pointer;
}
.contact-modal-cancel:hover{border-color:var(--ink); color:var(--ink);}

/* ===== Scroll reveal ===== */
.reveal{
  opacity:0; transform:translateY(28px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.in-view{opacity:1; transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1; transform:none; transition:none;}
}

/* ===== Social link ===== */
.social-link{display:inline-flex; align-items:center; gap:7px; color:var(--ink-soft); transition:color .2s ease;}
.social-link:hover{color:var(--acumen-blue);}
.social-link svg{flex-shrink:0;}