/* =====================================================
   AMT INFRA SOLUTIONS — Engineered Safety Doors
   Design tokens : blueprint / certified-plate aesthetic
   ===================================================== */
:root{
  --ink:#0d1219;
  --ink-soft:#222a35;
  --steel:#5c6878;
  --steel-soft:#8a93a1;
  --navy:#1d3a73;
  --navy-deep:#142a55;
  --paper:#f3f4f1;
  --paper2:#eceeea;
  --line:#dfe2dd;
  --line-dark:#2a323e;
  --white:#ffffff;
  --signal:#ff5a1f;
  --signal-dark:#d8430c;
  --signal-soft:rgba(255,90,31,0.13);

  --display:'Space Grotesk', sans-serif;
  --sans:'Inter', sans-serif;
  --mono:'IBM Plex Mono', monospace;

  --maxw:1320px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important;}
}

body{
  margin:0;
  background:var(--white);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%; display:block;}
a{color:inherit; text-decoration:none;}
ul{list-style:none; margin:0; padding:0;}
button{font-family:inherit; cursor:pointer;}

.container{max-width:var(--maxw); margin:0 auto; padding:0 48px;}
::selection{background:var(--signal); color:var(--white);}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

/* ---------- type ---------- */
.eyebrow{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--signal-dark);
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
  font-weight:500;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px;
  border:1.5px solid var(--signal);
  display:inline-block;
  transform:rotate(45deg);
  flex-shrink:0;
}
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  margin:0;
  color:var(--ink);
  letter-spacing:-0.01em;
}
.section-title{
  font-size:clamp(32px,3.8vw,52px);
  line-height:1.08;
  font-weight:600;
}
.section-sub{
  font-family:var(--sans);
  font-weight:400;
  font-size:16.5px;
  line-height:1.75;
  color:var(--steel);
  max-width:560px;
}
.head-row{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:40px;
  margin-bottom:56px;
  flex-wrap:wrap;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 26px;
  font-family:var(--sans);
  font-size:14px;
  font-weight:600;
  letter-spacing:0.02em;
  border-radius:2px;
  border:1px solid transparent;
  transition:all .35s var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px; height:16px; transition:transform .35s var(--ease);}
.btn:hover svg{transform:translateX(4px);}
.btn-signal{background:var(--signal); color:var(--white);}
.btn-signal:hover{background:var(--signal-dark);}
.btn-dark{background:var(--ink); color:var(--white);}
.btn-dark:hover{background:var(--navy-deep);}
.btn-outline{border-color:rgba(255,255,255,0.35); color:var(--white);}
.btn-outline:hover{border-color:var(--white); background:rgba(255,255,255,0.08);}
.btn-outline-dark{border-color:var(--line-dark); color:var(--ink);}
.btn-outline-dark:hover{border-color:var(--ink); background:var(--paper);}
.btn-ghost{color:var(--ink); padding-left:0; padding-right:0;}
.btn-ghost::after{content:"";}

/* ---------- reveal on scroll ---------- */
.reveal{opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease);}
.reveal-left{transform:translateX(-32px);}
.reveal-scale{transform:translateY(18px) scale(.97);}
.reveal.in-view{opacity:1; transform:none;}
.delay-1{transition-delay:.08s;}
.delay-2{transition-delay:.16s;}
.delay-3{transition-delay:.24s;}
.delay-4{transition-delay:.32s;}

.section-pad{padding:120px 0;}
.bg-dark{background:var(--ink); color:var(--white);}
.bg-dark .section-sub{color:#9aa4b2;}
.bg-grey{background:var(--paper);}
.bg-navy{background:var(--navy-deep); color:var(--white);}

/* corner ticks - blueprint reticle, signature element */
.tick-frame{position:relative;}
.tick-frame::before,.tick-frame::after,
.tick-frame .tick-tl,.tick-frame .tick-br{
  content:""; position:absolute; width:18px; height:18px;
  border-color:var(--signal); border-style:solid; border-width:0;
  z-index:3; pointer-events:none;
}
.tick-frame::before{top:-1px; left:-1px; border-top-width:2px; border-left-width:2px;}
.tick-frame::after{bottom:-1px; right:-1px; border-bottom-width:2px; border-right-width:2px;}

/* ===================================================== HEADER */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:transparent;
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(13,18,25,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; height:88px; transition:height .35s var(--ease);}
.site-header.scrolled .header-inner{height:76px;}

.logo{display:flex; align-items:center; gap:12px; flex-shrink:0;}
.logo img{height:42px; width:auto; transition:height .35s var(--ease);}
.site-header.scrolled .logo img{height:38px;}
.logo-text{font-family:var(--display); font-weight:700; font-size:17px; line-height:1.15; color:var(--white);}
.logo-text span{display:block; font-family:var(--mono); font-size:9.5px; letter-spacing:.16em; font-weight:400; color:var(--signal); text-transform:uppercase;}

.nav-links{display:flex; gap:34px;}
.nav-links a{
  font-family:var(--sans); font-size:14px; font-weight:500; color:rgba(255,255,255,0.82);
  position:relative; padding:6px 0;
}
.nav-links a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:1.5px; background:var(--signal); transition:width .3s var(--ease);}
.nav-links a:hover{color:var(--white);}
.nav-links a:hover::after{width:100%;}

.header-cta{display:flex; align-items:center; gap:18px;}
.burger{width:42px; height:42px; border:1px solid rgba(255,255,255,0.25); background:none; display:none; flex-direction:column; align-items:center; justify-content:center; gap:5px;}
.burger span{width:18px; height:1.5px; background:var(--white); transition:all .3s var(--ease);}
.burger.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger.open span:nth-child(2){opacity:0;}
.burger.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

.mobile-nav{
  position:fixed; top:0; right:0; height:100vh; width:300px; max-width:84vw;
  background:var(--ink); z-index:99; transform:translateX(100%); transition:transform .45s var(--ease);
  display:flex; flex-direction:column; gap:6px; padding:120px 36px 36px;
}
.mobile-nav.open{transform:translateX(0);}
.mobile-nav a{font-family:var(--display); font-size:21px; color:var(--white); padding:12px 0; border-bottom:1px solid rgba(255,255,255,0.08);}

/* ===================================================== HERO */
.hero{position:relative; min-height:100svh; display:flex; align-items:flex-end; overflow:hidden; background:var(--ink);}
.hero-media{position:absolute; inset:0; z-index:0;}
.hero-media img{width:100%; height:100%; object-fit:cover; object-position:center 25%; transform:scale(1.08);}
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(8,11,16,.55) 0%, rgba(8,11,16,.35) 35%, rgba(8,11,16,.88) 100%),
    linear-gradient(90deg, rgba(8,11,16,.78) 0%, rgba(8,11,16,.2) 55%);
}
.hero-grid-overlay{
  position:absolute; inset:0; z-index:1; pointer-events:none; opacity:.35;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, black, transparent 75%);
}
.hero-content{position:relative; z-index:2; padding-bottom:108px; padding-top:200px; width:100%;}
.hero-badge{
  display:inline-flex; align-items:center; gap:10px; font-family:var(--mono); font-size:11.5px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--white); padding:9px 16px; border:1px solid rgba(255,255,255,.28);
  margin-bottom:30px; background:rgba(255,255,255,.05);
}
.hero-badge .dot{width:7px; height:7px; background:var(--signal); border-radius:50%; box-shadow:0 0 0 4px rgba(255,90,31,.25);}
.hero h1{
  font-size:clamp(40px,6.4vw,84px); line-height:.98; color:var(--white); font-weight:700;
  max-width:880px; margin-bottom:26px;
}
.hero h1 em{font-style:normal; color:var(--signal);}
.hero p{font-size:18px; line-height:1.7; color:rgba(255,255,255,.78); max-width:520px; margin-bottom:40px;}
.hero-buttons{display:flex; gap:18px; flex-wrap:wrap; margin-bottom:64px;}

.hero-stats{display:flex; gap:0; border-top:1px solid rgba(255,255,255,.18); padding-top:28px; max-width:760px; flex-wrap:wrap;}
.hero-stat{padding-right:48px; margin-right:48px; border-right:1px solid rgba(255,255,255,.18);}
.hero-stat:last-child{border-right:none; margin-right:0; padding-right:0;}
.hero-stat .num{font-family:var(--display); font-size:34px; font-weight:700; color:var(--white); display:flex; align-items:baseline; gap:2px;}
.hero-stat .num .plus{color:var(--signal);}
.hero-stat .lbl{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:rgba(255,255,255,.55); margin-top:4px;}

.scroll-cue{position:absolute; right:48px; bottom:36px; z-index:2; display:flex; flex-direction:column; align-items:center; gap:10px;}
.scroll-cue span{font-family:var(--mono); font-size:10px; letter-spacing:.18em; color:rgba(255,255,255,.55); text-transform:uppercase; writing-mode:vertical-rl;}
.scroll-cue .line{width:1px; height:46px; background:rgba(255,255,255,.3); position:relative; overflow:hidden;}
.scroll-cue .line::after{content:""; position:absolute; top:-100%; left:0; width:100%; height:100%; background:var(--signal); animation:scrollline 2.2s ease-in-out infinite;}
@keyframes scrollline{0%{top:-100%;} 60%{top:100%;} 100%{top:100%;}}

/* ===================================================== ABOUT */
.about-grid{display:grid; grid-template-columns:.92fr 1.08fr; gap:80px; align-items:center;}
.about-media{position:relative;}
.about-media .frame-img{width:100%; aspect-ratio:4/4.7; object-fit:cover;}
.about-tag{
  position:absolute; left:-28px; bottom:-28px; background:var(--ink); color:var(--white);
  padding:24px 28px; min-width:168px; border-left:3px solid var(--signal);
}
.about-tag .num{font-family:var(--display); font-size:38px; font-weight:700; line-height:1;}
.about-tag .lbl{font-family:var(--mono); font-size:10.5px; letter-spacing:.07em; text-transform:uppercase; color:rgba(255,255,255,.6); margin-top:8px; line-height:1.5;}

.about-text p{font-size:16.5px; line-height:1.85; color:var(--steel); margin:0 0 18px;}
.about-text strong{color:var(--ink); font-weight:600;}

.stats-row{display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:44px; border-top:1px solid var(--line);}
.stat{padding:24px 0 0; border-right:1px solid var(--line);}
.stat:last-child{border-right:none;}
.stat .num{font-family:var(--display); font-size:30px; font-weight:700; display:flex; align-items:baseline;}
.stat .num .plus{color:var(--signal);}
.stat .lbl{font-family:var(--mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.05em; color:var(--steel); margin-top:6px;}

/* ===================================================== VISION/MISSION CARDS */
.vmv-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.vmv-card{background:var(--white); padding:36px 30px;}
.vmv-card .vmv-eyebrow{font-family:var(--mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--signal-dark); margin-bottom:14px;}
.vmv-card h3{font-size:20px; margin-bottom:10px;}
.vmv-card p{font-size:14.5px; line-height:1.7; color:var(--steel); margin:0;}

/* ===================================================== WHY GRID */
.why-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.why-card{background:var(--white); padding:38px 30px; position:relative;}
.why-num{font-family:var(--mono); font-size:12px; color:var(--steel-soft); display:block; margin-bottom:20px;}
.why-icon{width:38px; height:38px; color:var(--signal); margin-bottom:20px;}
.why-card h3{font-size:18.5px; margin-bottom:10px;}
.why-card p{font-size:14.5px; line-height:1.7; color:var(--steel); margin:0;}

/* ===================================================== PRODUCT MASONRY */
.masonry{display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:14px; gap:22px;}
.m-card{position:relative; overflow:hidden; grid-row:span 26;}
.m-card.tall{grid-row:span 34;}
.m-card img{width:100%; height:100%; object-fit:cover; transition:transform .8s var(--ease);}
.m-card-overlay{
  position:absolute; inset:0; display:flex; flex-direction:column; justify-content:flex-end; padding:26px;
  background:linear-gradient(180deg, rgba(13,18,25,0) 35%, rgba(13,18,25,.92) 100%);
}
.m-tag{font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--signal); margin-bottom:8px; display:block;}
.m-card-overlay h4{color:var(--white); font-size:21px; margin-bottom:6px;}
.m-card-overlay p{color:rgba(255,255,255,.75); font-size:13.5px; line-height:1.6; margin:0 0 14px; max-width:300px;}
.m-link{display:inline-flex; align-items:center; gap:8px; color:var(--white); font-size:12.5px; font-weight:600; letter-spacing:.02em;}
.m-link svg{width:14px; height:14px; transition:transform .3s var(--ease);}
.m-card:hover img{transform:scale(1.07);}
.m-card:hover .m-link svg{transform:translateX(4px);}
.m-specs{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:10px;}
.m-spec{font-family:var(--mono); font-size:10px; letter-spacing:.02em; color:var(--white); border:1px solid rgba(255,255,255,.35); padding:3px 8px;}

/* ===================================================== FEATURED STRIP */
.feat-head{display:flex; justify-content:space-between; align-items:flex-end; margin-bottom:40px;}
.feat-arrows{display:flex; gap:10px;}
.arrow-btn{width:46px; height:46px; border:1px solid var(--line-dark); background:none; color:var(--white); display:flex; align-items:center; justify-content:center;}
.arrow-btn svg{width:18px; height:18px;}
.arrow-btn:hover{background:var(--signal); border-color:var(--signal);}
.feat-track{display:flex; gap:24px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:8px; scrollbar-width:none;}
.feat-track::-webkit-scrollbar{display:none;}
.feat-card{flex:0 0 320px; scroll-snap-align:start;}
.feat-card .ratio{aspect-ratio:4/5; overflow:hidden;}
.feat-card .ratio img{width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease);}
.feat-card:hover .ratio img{transform:scale(1.06);}
.feat-meta{display:flex; justify-content:space-between; align-items:flex-start; padding-top:18px; border-top:1px solid rgba(255,255,255,.15); margin-top:18px;}
.feat-meta h4{color:var(--white); font-size:18px; margin-bottom:6px;}
.feat-meta p{color:rgba(255,255,255,.55); font-size:13px; margin:0; font-family:var(--mono);}
.fnum{font-family:var(--mono); font-size:12px; color:var(--signal);}

/* ===================================================== INDUSTRIES */
.industries-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:1px; background:var(--line); border:1px solid var(--line);}
.industry-card{background:var(--white); padding:30px 18px; text-align:center; transition:background .3s;}
.industry-card:hover{background:var(--paper);}
.industry-card .ico{width:30px; height:30px; margin:0 auto 14px; color:var(--signal);}
.industry-card span{font-family:var(--sans); font-size:13.5px; font-weight:500; color:var(--ink);}

/* ===================================================== GALLERY */
.g-grid{display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:170px; gap:14px;}
.g-item{position:relative; overflow:hidden; cursor:pointer;}
.g-item.wide{grid-column:span 2;}
.g-item.tall{grid-row:span 2;}
.g-item img{width:100%; height:100%; object-fit:cover; transition:transform .7s var(--ease);}
.g-item:hover img{transform:scale(1.08);}
.g-overlay{
  position:absolute; inset:0; background:rgba(13,18,25,.45); opacity:0; transition:opacity .35s var(--ease);
  display:flex; align-items:center; justify-content:center;
}
.g-overlay svg{width:22px; height:22px; color:var(--white);}
.g-item:hover .g-overlay{opacity:1;}
.g-cap{position:absolute; left:0; bottom:0; right:0; padding:14px 16px; font-family:var(--mono); font-size:10.5px; letter-spacing:.04em; color:var(--white); background:linear-gradient(0deg, rgba(13,18,25,.85), transparent); opacity:0; transition:opacity .35s var(--ease);}
.g-item:hover .g-cap{opacity:1;}

/* ===================================================== PROCESS */
.process-wrap{position:relative;}
.process-line{position:absolute; top:11px; left:0; right:0; height:1px; background:var(--line-dark);}
.process-line-fill{height:1px; width:0; background:var(--signal); transition:width 1.4s var(--ease);}
.process-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:30px; position:relative;}
.process-step{padding-top:36px; position:relative;}
.process-dot{position:absolute; top:0; left:0; width:23px; height:23px; border:1.5px solid var(--signal); background:var(--ink); transform:rotate(45deg);}
.process-idx{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--signal); display:block; margin-bottom:12px;}
.process-step h3{color:var(--white); font-size:18.5px; margin-bottom:10px;}
.process-step p{color:rgba(255,255,255,.6); font-size:14px; line-height:1.7; margin:0;}

/* ===================================================== CERTIFICATIONS */
.cert-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:64px;}
.cert-card{background:var(--white); padding:36px 28px; position:relative;}
.cert-plate{
  width:50px; height:50px; border:1.5px solid var(--signal); display:flex; align-items:center; justify-content:center;
  margin-bottom:22px; position:relative;
}
.cert-plate::before{content:""; position:absolute; inset:5px; border:1px dashed rgba(255,90,31,.4);}
.cert-plate svg{width:22px; height:22px; color:var(--signal);}
.cert-cat{font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:var(--steel-soft); margin-bottom:8px;}
.cert-card h3{font-size:18px; margin-bottom:10px;}
.cert-card p{font-size:14px; line-height:1.7; color:var(--steel); margin:0;}

.std-strip{display:flex; flex-wrap:wrap; gap:12px; margin-bottom:64px;}
.std-chip{font-family:var(--mono); font-size:12.5px; padding:10px 18px; border:1px solid var(--line-dark); color:var(--white); letter-spacing:.02em; transition:all .3s var(--ease);}
.std-chip:hover{border-color:var(--signal); color:var(--signal);}

.qa-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:36px;}
.qa-step{padding-left:0;}
.qa-num{font-family:var(--mono); font-size:13px; color:var(--signal); display:block; margin-bottom:14px;}
.qa-step h4{color:var(--white); font-size:17px; margin-bottom:10px;}
.qa-step p{color:rgba(255,255,255,.6); font-size:13.5px; line-height:1.7; margin:0;}

/* ===================================================== TESTIMONIALS */
.testi-section{background:var(--paper);}
.testi-top-row{display:flex; justify-content:space-between; align-items:flex-end; gap:40px; flex-wrap:wrap; margin-bottom:56px;}
.testi-stats{display:flex; gap:40px; flex-wrap:wrap;}
.testi-stats .stat{border:none; padding:0;}
.testi-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
.t-card{background:var(--white); padding:34px 30px; border:1px solid var(--line); position:relative;}
.t-card .stars{color:var(--signal); font-size:14px; letter-spacing:2px; margin-bottom:18px;}
.t-card p{font-size:15.5px; line-height:1.75; color:var(--ink-soft); margin:0 0 24px; min-height:108px;}
.who{display:flex; align-items:center; gap:12px; border-top:1px solid var(--line); padding-top:16px;}
.who-initial{width:38px; height:38px; background:var(--ink); color:var(--white); font-family:var(--mono); font-size:13px; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.who .name{font-weight:600; font-size:14.5px; color:var(--ink);}
.who .loc{font-size:12.5px; color:var(--steel); font-family:var(--mono);}

/* ===================================================== CONTACT */
.contact-grid{display:grid; grid-template-columns:.85fr 1.15fr; gap:64px; margin-bottom:56px;}
.contact-info h3{font-size:24px; margin-bottom:14px;}
.contact-info > p{color:var(--steel); line-height:1.75; margin-bottom:34px; font-size:15.5px;}
.c-row{display:flex; gap:18px; margin-bottom:24px; align-items:flex-start;}
.c-icon{width:42px; height:42px; border:1px solid var(--line-dark); display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.c-icon svg{width:18px; height:18px; color:var(--signal);}
.c-label{font-family:var(--mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--steel-soft); margin-bottom:4px;}
.c-value{font-size:15px; color:var(--ink); line-height:1.5;}
.contact-quick{display:flex; gap:14px; margin-top:34px; flex-wrap:wrap;}

.contact-form-wrap{background:var(--paper); padding:42px; border:1px solid var(--line);}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:18px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block; font-family:var(--mono); font-size:11px; letter-spacing:.06em; text-transform:uppercase; color:var(--steel); margin-bottom:8px;}
.form-group input, .form-group select, .form-group textarea{
  width:100%; border:1px solid var(--line-dark); background:var(--white); padding:13px 14px; font-family:var(--sans);
  font-size:14.5px; color:var(--ink); border-radius:0;
}
.form-group textarea{resize:vertical; min-height:100px;}
.form-group input::placeholder, .form-group textarea::placeholder{color:#a6acab;}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus{border-color:var(--signal);}
.form-note{display:flex; align-items:center; gap:10px; font-size:12.5px; color:var(--steel); margin-top:18px;}
.form-note svg{width:15px; height:15px; flex-shrink:0; color:var(--signal);}
.form-success{display:none; align-items:center; gap:10px; background:#15301f; color:#a6e6b8; padding:14px 16px; font-size:13.5px; margin-top:16px;}
.form-success.show{display:flex;}
.form-success svg{flex-shrink:0;}

.map-strip{
  border:1px solid var(--line); padding:24px 30px; display:flex; align-items:center; justify-content:space-between;
  background:var(--ink); flex-wrap:wrap; gap:16px;
}
.map-pin{display:flex; align-items:center; gap:12px; color:var(--white); font-weight:600; font-size:15px;}
.map-pin svg{width:20px; height:20px; fill:var(--signal);}
.map-note{font-family:var(--mono); font-size:11.5px; color:rgba(255,255,255,.45);}

/* ===================================================== FOOTER */
.site-footer{background:var(--ink); color:rgba(255,255,255,.7); padding:88px 0 0;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:48px; padding-bottom:60px; border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo img{height:40px;}
.footer-brand p{font-size:14.5px; line-height:1.75; color:rgba(255,255,255,.5); margin:20px 0 26px; max-width:280px;}
.footer-social{display:flex; gap:12px;}
.footer-social a{width:38px; height:38px; border:1px solid rgba(255,255,255,.2); display:flex; align-items:center; justify-content:center;}
.footer-social a:hover{border-color:var(--signal); background:var(--signal-soft);}
.footer-social svg{width:16px; height:16px;}
.footer-col h4{color:var(--white); font-size:13px; letter-spacing:.08em; text-transform:uppercase; font-family:var(--mono); font-weight:500; margin-bottom:22px;}
.footer-col ul li{margin-bottom:13px;}
.footer-col a{font-size:14.5px; color:rgba(255,255,255,.55);}
.footer-col a:hover{color:var(--signal);}
.footer-addr p{font-size:14.5px; line-height:1.8; color:rgba(255,255,255,.55); margin:0 0 14px;}
.footer-bottom{display:flex; justify-content:space-between; padding:26px 0; font-size:13px; color:rgba(255,255,255,.4); flex-wrap:wrap; gap:10px;}
.footer-bottom a{color:rgba(255,255,255,.4);}
.footer-bottom a:hover{color:var(--white);}

/* ===================================================== FLOATING WHATSAPP */
.float-wa{
  position:fixed; right:28px; bottom:28px; z-index:90; width:58px; height:58px; border-radius:50%;
  background:#22c55e; display:flex; align-items:center; justify-content:center; box-shadow:0 10px 30px rgba(0,0,0,.3);
  transition:transform .3s var(--ease);
}
.float-wa:hover{transform:scale(1.08);}
.float-wa svg{width:28px; height:28px; fill:var(--white);}

/* ===================================================== LIGHTBOX */
.lightbox{
  position:fixed; inset:0; background:rgba(8,11,16,.96); z-index:200; display:none; align-items:center; justify-content:center;
  padding:60px;
}
.lightbox.open{display:flex;}
.lightbox img{max-width:90vw; max-height:86vh; object-fit:contain;}
.lightbox-close{position:absolute; top:30px; right:30px; width:48px; height:48px; border:1px solid rgba(255,255,255,.3); background:none; color:var(--white); display:flex; align-items:center; justify-content:center;}
.lightbox-close svg{width:20px; height:20px;}
.lightbox-nav{position:absolute; top:50%; transform:translateY(-50%); width:54px; height:54px; border:1px solid rgba(255,255,255,.3); background:none; color:var(--white); display:flex; align-items:center; justify-content:center;}
.lightbox-prev{left:30px;} .lightbox-next{right:30px;}
.lightbox-nav svg{width:22px; height:22px;}
.lightbox-nav:hover, .lightbox-close:hover{border-color:var(--signal); color:var(--signal);}

/* ===================================================== BACK TO TOP */
.back-top{
  position:fixed; left:28px; bottom:28px; z-index:90; width:46px; height:46px; border:1px solid var(--line-dark);
  background:var(--ink); color:var(--white); display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:all .3s var(--ease);
}
.back-top.show{opacity:1; pointer-events:auto;}
.back-top svg{width:18px; height:18px;}
.back-top:hover{background:var(--signal); border-color:var(--signal);}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width:1180px){
  .masonry{grid-template-columns:repeat(2,1fr);}
  .vmv-grid, .why-grid, .industries-grid{grid-template-columns:repeat(2,1fr);}
  .cert-grid{grid-template-columns:repeat(2,1fr);}
  .qa-grid, .process-grid{grid-template-columns:repeat(2,1fr); row-gap:50px;}
  .process-line{display:none;}
  .testi-grid{grid-template-columns:repeat(2,1fr);}
  .g-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:880px){
  .container{padding:0 26px;}
  .nav-links{display:none;}
  .burger{display:flex;}
  .header-cta .btn-outline-dark, .header-cta .btn-outline{display:none;}
  .about-grid{grid-template-columns:1fr; gap:60px;}
  .about-tag{left:0;}
  .stats-row{grid-template-columns:repeat(2,1fr); row-gap:24px;}
  .section-pad{padding:84px 0;}
  .contact-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr; row-gap:40px;}
  .g-grid{grid-template-columns:repeat(2,1fr); grid-auto-rows:150px;}
  .qa-grid, .process-grid, .testi-grid, .industries-grid{grid-template-columns:1fr;}
  .hero-stats{gap:0;}
  .hero-stat{flex:1 0 40%; padding-right:24px; margin-right:24px;}
}
@media (max-width:560px){
  .masonry{grid-template-columns:1fr;}
  .cert-grid, .vmv-grid, .why-grid{grid-template-columns:1fr;}
  .g-grid{grid-template-columns:1fr 1fr;}
  .g-item.wide{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-content{padding-top:150px;}
}

/* ===================================================== GALLERY FILTER */
.g-filter-row{display:flex; gap:10px; flex-wrap:wrap; margin-bottom:32px;}
.g-filter{
  font-family:var(--mono); font-size:11.5px; letter-spacing:.08em; text-transform:uppercase;
  padding:9px 18px; border:1px solid var(--line); background:transparent; color:var(--steel);
  cursor:pointer; transition:all .25s var(--ease);
}
.g-filter:hover{border-color:var(--ink); color:var(--ink);}
.g-filter.active{background:var(--ink); color:var(--white); border-color:var(--ink);}

/* ===================================================== TESTIMONIAL SLIDER */
.testi-track{overflow:hidden;}
.testi-slides{display:flex; transition:transform .55s var(--ease);}
.t-card-slide{display:grid; grid-template-columns:repeat(3,1fr); gap:24px; min-width:100%;}
.testi-dots{display:flex; gap:10px; margin-top:36px; justify-content:center;}
.testi-dots button{
  width:28px; height:3px; background:var(--line); border:none; cursor:pointer; padding:0;
  transition:all .3s var(--ease);
}
.testi-dots button.active{background:var(--signal); width:48px;}

/* ===================================================== JOURNEY/TIMELINE */
.timeline{display:flex; flex-direction:column; gap:0; position:relative; margin-top:12px;}
.timeline::before{content:""; position:absolute; left:72px; top:0; bottom:0; width:1px; background:var(--line); z-index:0;}
.tl-item{display:grid; grid-template-columns:96px 1fr; gap:32px; padding-bottom:38px; position:relative;}
.tl-year{font-family:var(--mono); font-size:13px; font-weight:500; color:var(--signal); text-align:right; padding-top:2px;}
.tl-dot{position:absolute; left:65px; top:6px; width:14px; height:14px; background:var(--white); border:2px solid var(--signal); border-radius:50%; z-index:1;}
.tl-content h4{font-size:16px; margin-bottom:6px;}
.tl-content p{font-size:14px; color:var(--steel); line-height:1.6; margin:0;}

/* ===================================================== ABOUT TABS */
.about-tabs-section{background:var(--paper); padding:80px 0;}
.about-tabs-grid{display:grid; grid-template-columns:1fr 1.4fr; gap:64px; align-items:start;}
.tab-list{display:flex; flex-direction:column; gap:0; border-right:1px solid var(--line);}
.tab-btn{
  text-align:left; background:none; border:none; border-left:3px solid transparent;
  padding:18px 28px 18px 0; font-family:var(--display); font-size:17px; font-weight:600;
  color:var(--steel); cursor:pointer; transition:all .3s; display:flex; align-items:center; gap:12px;
}
.tab-btn.active{color:var(--ink); border-left-color:var(--signal);}
.tab-btn .idx{font-family:var(--mono); font-size:11px; color:var(--signal); width:24px;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.tab-panel h3{font-size:26px; margin-bottom:14px;}
.tab-panel p{font-size:15.5px; line-height:1.8; color:var(--steel); margin:0 0 16px;}
.tab-panel ul{display:flex; flex-direction:column; gap:10px; margin-top:16px;}
.tab-panel ul li{display:flex; align-items:flex-start; gap:12px; font-size:14.5px; color:var(--steel-soft);}
.tab-panel ul li::before{content:""; width:7px; height:7px; border:1.5px solid var(--signal); transform:rotate(45deg); flex-shrink:0; margin-top:5px;}

/* ===================================================== CTA BANNER */
.cta-banner{background:var(--signal); padding:64px 0; text-align:center;}
.cta-banner h2{font-size:clamp(26px,3.5vw,40px); color:var(--white); margin-bottom:12px;}
.cta-banner p{color:rgba(255,255,255,.85); font-size:16.5px; margin-bottom:30px;}
.cta-banner .btn-dark{background:var(--ink); color:var(--white);}
.cta-banner .btn-outline-white{border:1.5px solid rgba(255,255,255,.55); color:var(--white);}
.cta-banner .btn-outline-white:hover{background:rgba(255,255,255,.12);}

/* ===================================================== MARQUEE TAG STRIP */
.marquee-wrap{overflow:hidden; border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:16px 0; background:var(--paper);}
.marquee-inner{display:flex; gap:0; animation:marquee 28s linear infinite; width:max-content;}
.marquee-inner:hover{animation-play-state:paused;}
.marquee-item{display:flex; align-items:center; gap:28px; padding:0 32px; font-family:var(--mono); font-size:12px; letter-spacing:.08em; text-transform:uppercase; color:var(--steel); white-space:nowrap; flex-shrink:0;}
.marquee-item .dot{width:5px; height:5px; background:var(--signal); border-radius:50%; flex-shrink:0;}
@keyframes marquee{0%{transform:translateX(0);} 100%{transform:translateX(-50%);}}

/* ===================================================== RESPONSIVE EXTRAS */
@media(max-width:880px){
  .t-card-slide{grid-template-columns:1fr;}
  .about-tabs-grid{grid-template-columns:1fr;}
  .tab-list{border-right:none; border-bottom:1px solid var(--line); flex-direction:row; overflow-x:auto; margin-bottom:28px; padding-bottom:0;}
  .tab-btn{white-space:nowrap; border-left:none; border-bottom:3px solid transparent; padding:14px 20px;}
  .tab-btn.active{border-bottom-color:var(--signal); border-left:none;}
  .timeline::before{left:40px;}
  .tl-item{grid-template-columns:60px 1fr; gap:18px;}
  .tl-dot{left:33px;}
  .industries-grid{grid-template-columns:repeat(4,1fr);}
}
@media(max-width:560px){
  .industries-grid{grid-template-columns:repeat(3,1fr);}
  .tl-year{font-size:11px;}
}