/* ============================================================
   ALATAS — Design System
   Engineering-grade visual language: blueprint precision,
   safety-amber signal color, layered composite-wrap motif.
   ============================================================ */

:root{
  --bg:        #EDEEE8;
  --bg-deep:   #E2E4DC;
  --surface:   #FFFFFF;
  --ink:       #121B22;
  --ink-soft:  #3C4750;
  --steel:     #3C5468;
  --steel-deep:#24323D;
  --line:      rgba(18,27,34,0.14);
  --line-soft: rgba(18,27,34,0.08);
  --accent:    #D9651A;
  --accent-deep:#A8480E;
  --accent-soft:#F4D9C4;
  --teal:      #2F6F63;

  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'Courier New', monospace;

  --container: 1240px;
  --radius: 2px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:148px; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.08;
  letter-spacing:-0.01em;
  margin:0;
  color:var(--steel-deep);
}
.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--accent-deep);
  display:flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:'';
  width:22px; height:1px;
  background:var(--accent);
  display:inline-block;
}

.wrap{ max-width:var(--container); margin:0 auto; padding:0 28px; }

/* ---------- blueprint grid texture ---------- */
.blueprint{
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size:40px 40px;
}

/* ---------- top utility bar ---------- */
.utility-bar{
  background:var(--steel-deep);
  color:#C9D2D6;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.04em;
}
.utility-bar .wrap{
  display:flex; justify-content:space-between; align-items:center;
  height:34px;
}
.utility-bar a{ color:#E8EDEE; }
.utility-bar a:hover{ color:var(--accent); }
.utility-bar .ub-items{ display:flex; gap:24px; }
.utility-bar .ub-cert{ display:flex; gap:14px; opacity:.85; }

/* ---------- header / nav ---------- */
header.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(237,238,232,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  height:84px;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand-mark{
  width:38px; height:38px;
  border:1.5px solid var(--steel-deep);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:11px; font-weight:600;
  color:var(--steel-deep);
}
.brand-text{ font-family:var(--font-display); font-weight:600; line-height:1.05; }
.brand-text .b1{ font-size:19px; letter-spacing:0.01em; color:var(--steel-deep); }
.brand-text .b2{ font-size:11px; color:var(--ink-soft); font-family:var(--font-body); font-weight:500; letter-spacing:0.02em; }

nav.main-nav{ display:flex; align-items:center; gap:2px; }
nav.main-nav > a, .has-mega > button{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:0.03em;
  padding:10px 16px;
  color:var(--ink-soft);
  background:none; border:none;
  display:flex; align-items:center; gap:6px;
}
nav.main-nav > a:hover, .has-mega > button:hover, .has-mega.open > button{ color:var(--accent-deep); }
.has-mega{ position:relative; }
.has-mega > button svg{ width:9px; transition:transform .2s; }
.has-mega.open > button svg{ transform:rotate(180deg); }

.mega{
  position:absolute; top:calc(100% + 1px); left:50%; transform:translateX(-50%);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:0 18px 40px rgba(18,27,34,0.14);
  padding:0;
  display:none;
  min-width:620px;
  overflow:hidden;
}
.has-mega.open .mega{ display:block; }
.mega-head{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.1em; text-transform:uppercase;
  color:var(--ink-soft); padding:16px 22px 12px;
  border-bottom:1px solid var(--line-soft);
}
.mega-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:2px; padding:10px; }
.mega-grid.cols-1{ grid-template-columns:1fr; }
.mega a{
  display:flex; align-items:flex-start; gap:11px;
  font-size:13.5px; padding:11px 12px; color:var(--ink-soft);
  border-radius:6px;
}
.mega a .mi{
  flex:none; width:26px; height:26px; border-radius:6px;
  background:var(--bg-deep); color:var(--steel-deep);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:11px; font-weight:600;
  margin-top:1px;
}
.mega a .mtext{ display:flex; flex-direction:column; gap:2px; }
.mega a .mtext b{ font-weight:600; color:var(--ink); font-size:13.5px; }
.mega a .mtext span{ font-size:11.5px; color:var(--ink-soft); font-family:var(--font-body); }
.mega a:hover{ background:var(--bg); }
.mega a:hover .mi{ background:var(--accent); color:#fff; }
.mega a:hover .mtext b{ color:var(--accent-deep); }
.mega-foot{
  border-top:1px solid var(--line-soft); padding:12px 22px;
  font-family:var(--font-mono); font-size:11.5px; color:var(--accent-deep);
  display:flex; align-items:center; gap:6px; background:var(--bg);
}

.cta-btn{
  font-family:var(--font-mono);
  font-size:12.5px; letter-spacing:0.04em; text-transform:uppercase;
  background:var(--accent); color:#fff;
  padding:11px 20px;
  border:none; border-radius:var(--radius);
  display:inline-flex; align-items:center; gap:8px;
  transition:background .15s;
}
.cta-btn:hover{ background:var(--accent-deep); }
.cta-btn.ghost{ background:none; border:1px solid var(--steel-deep); color:var(--steel-deep); }
.cta-btn.ghost:hover{ background:var(--steel-deep); color:#fff; }

.nav-toggle{ display:none; background:none; border:none; font-size:26px; color:var(--steel-deep); }
.nav-close{ display:none; }
@media(max-width:980px){
  .nav-close{
    display:block; position:absolute; top:22px; right:20px;
    width:38px; height:38px; border-radius:50%;
    background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.16);
    color:#fff; font-size:22px; line-height:1;
  }
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:84px 0 96px;
  overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr 0.95fr; gap:56px; align-items:center;
}
.hero h1{
  font-size:clamp(38px,4.6vw,60px);
  margin:18px 0 22px;
}
.hero h1 em{
  font-style:normal; color:var(--accent-deep);
  background:linear-gradient(transparent 62%, var(--accent-soft) 0);
}
.hero p.lede{ font-size:18px; color:var(--ink-soft); max-width:46ch; margin-bottom:32px; }
.hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; }
.hero-stats{ display:flex; gap:34px; margin-top:48px; }
.hero-stats div{ font-family:var(--font-mono); }
.hero-stats .n{ font-size:26px; color:var(--steel-deep); font-weight:600; }
.hero-stats .l{ font-size:11.5px; color:var(--ink-soft); letter-spacing:.04em; text-transform:uppercase; margin-top:2px; }

/* ---------- signature: composite-wrap cross-section ---------- */
.wrap-diagram{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  padding:30px 26px 22px;
}
.wrap-diagram .wd-label{
  font-family:var(--font-mono); font-size:11px; letter-spacing:.08em;
  color:var(--ink-soft); text-transform:uppercase; margin-bottom:16px;
  display:flex; justify-content:space-between;
}
.wd-svg{ width:100%; height:auto; }
.wd-legend{ margin-top:18px; display:grid; grid-template-columns:1fr 1fr; gap:8px 18px; }
.wd-legend li{
  font-family:var(--font-mono); font-size:11.5px; color:var(--ink-soft);
  display:flex; align-items:center; gap:8px;
}
.wd-legend .sw{ width:11px; height:11px; flex:none; border:1px solid var(--line); }

/* ---------- marquee / trust strip ---------- */
.trust-strip{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--surface); padding:22px 0; }
.trust-strip .wrap{ display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:18px; }
.trust-strip .t-item{ display:flex; align-items:center; gap:10px; font-family:var(--font-mono); font-size:12px; color:var(--ink-soft); }
.trust-strip .t-item img{ height:34px; width:auto; filter:grayscale(1); opacity:.75; }

/* ---------- sections ---------- */
section{ padding:88px 0; }
.section-head{ max-width:680px; margin-bottom:48px; }
.section-head h2{ font-size:clamp(28px,3vw,38px); margin-top:14px; }
.section-head p{ color:var(--ink-soft); margin-top:14px; font-size:16.5px; }

/* product/service card grid */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.svc-card{
  background:var(--surface); padding:30px 28px 26px;
  display:flex; flex-direction:column;
  transition:background .15s;
}
.svc-card:hover{ background:#fbfaf6; }
.svc-card .idx{ font-family:var(--font-mono); font-size:12px; color:var(--accent-deep); margin-bottom:18px; }
.svc-card h3{ font-size:20px; margin-bottom:10px; }
.svc-card p{ color:var(--ink-soft); font-size:14.5px; flex:1; }
.svc-card .go{ margin-top:18px; font-family:var(--font-mono); font-size:12px; color:var(--steel-deep); display:flex; align-items:center; gap:6px; }
.svc-card:hover .go{ color:var(--accent-deep); }

.svc-card.img-card{ padding:0; }
.svc-card.img-card .thumb{ aspect-ratio:4/3; overflow:hidden; }
.svc-card.img-card img{ width:100%; height:100%; object-fit:cover; transition:transform .4s; }
.svc-card.img-card:hover img{ transform:scale(1.05); }
.svc-card.img-card .body{ padding:22px 24px 26px; }

/* ---------- spec table (engineering datasheet feel) ---------- */
.spec-table{ width:100%; border-collapse:collapse; font-family:var(--font-mono); font-size:13.5px; }
.spec-table th{
  text-align:left; padding:11px 16px; background:var(--steel-deep); color:#E8EDEE;
  font-weight:500; letter-spacing:.03em; text-transform:uppercase; font-size:11.5px;
}
.spec-table td{ padding:11px 16px; border-bottom:1px solid var(--line); color:var(--ink-soft); }
.spec-table tr:nth-child(even) td{ background:var(--surface); }

/* ---------- why-section / split panel ---------- */
.split{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:64px; align-items:start; }
.why-list{ display:flex; flex-direction:column; gap:0; }
.why-item{ padding:26px 0; border-top:1px solid var(--line); display:flex; gap:22px; }
.why-item:last-child{ border-bottom:1px solid var(--line); }
.why-item .wi-n{ font-family:var(--font-mono); color:var(--accent-deep); font-size:13px; padding-top:3px; }
.why-item h4{ font-size:17px; margin-bottom:6px; }
.why-item p{ color:var(--ink-soft); font-size:14.5px; }

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--steel-deep); color:#fff; padding:72px 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size:40px 40px;
}
.cta-band .wrap{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:28px; }
.cta-band h2{ color:#fff; font-size:clamp(26px,3vw,34px); max-width:560px; }
.cta-band p{ color:#B9C3C8; margin-top:10px; }

/* ---------- footer ---------- */
footer.site-footer{ background:var(--steel-deep); color:#A9B5BA; padding:64px 0 0; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:40px; padding-bottom:56px; border-bottom:1px solid rgba(255,255,255,.1); }
.footer-grid h5{ color:#fff; font-family:var(--font-mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; margin-bottom:18px; }
.footer-grid li{ margin-bottom:9px; font-size:14px; }
.footer-grid a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:22px; padding-bottom:22px; font-size:12.5px; flex-wrap:wrap; gap:10px; }
.footer-bottom a{ text-decoration:underline; color:inherit; }

/* ---------- WhatsApp FAB ---------- */
.fab-wrap{ position:fixed; bottom:24px; right:24px; z-index:80; }
.fab-btn{
  width:58px; height:58px; border-radius:50%;
  background:var(--accent); color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px rgba(217,101,26,0.4);
  border:none; position:relative;
}
.fab-btn::after{
  content:''; position:absolute; inset:-6px; border-radius:50%;
  border:2px solid var(--accent); opacity:0; animation:fabPulse 2.6s ease-out infinite;
}
@keyframes fabPulse{
  0%{ opacity:.5; transform:scale(0.9); }
  80%{ opacity:0; transform:scale(1.25); }
  100%{ opacity:0; transform:scale(1.25); }
}
.fab-bubble{
  position:absolute; bottom:72px; right:0;
  background:var(--surface); border:1px solid var(--line);
  width:272px; padding:0;
  border-radius:14px; overflow:hidden;
  box-shadow:0 22px 48px rgba(18,27,34,0.22);
  display:none;
}
.fab-bubble.open{ display:block; animation:fabIn .18s ease-out; }
@keyframes fabIn{ from{ opacity:0; transform:translateY(8px); } to{ opacity:1; transform:translateY(0); } }
.fab-bubble .fb-head{
  display:flex; justify-content:space-between; align-items:flex-start;
  padding:13px 16px; margin:0;
  background:var(--steel-deep);
}
.fab-bubble .fb-head .fb-title{ display:flex; align-items:flex-start; gap:9px; }
.fab-bubble .fb-head .fb-dot{ width:8px; height:8px; border-radius:50%; background:#25D366; box-shadow:0 0 0 3px rgba(37,211,102,0.25); margin-top:4px; flex:none; }
.fab-bubble h6{ font-family:var(--font-mono); font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:#fff; }
.fab-bubble .fb-sub{ font-size:11.5px; color:#A9B5BA; margin-top:2px; }
.fab-bubble .fb-close{ background:none; border:none; font-size:18px; color:#A9B5BA; line-height:1; margin-top:1px; }
.fab-bubble .fb-close:hover{ color:#fff; }
.fab-bubble .fb-body{ padding:10px; display:flex; flex-direction:column; gap:6px; }
.fab-bubble a.fb-opt{
  display:flex; align-items:center; gap:10px;
  font-size:13.5px; color:var(--ink-soft);
  padding:11px 12px; border-radius:9px;
  border:1px solid var(--line);
  transition:border-color .15s, background .15s;
}
.fab-bubble a.fb-opt .fb-ic{
  flex:none; width:26px; height:26px; border-radius:50%;
  background:var(--accent-soft); color:var(--accent-deep);
  display:flex; align-items:center; justify-content:center;
  font-size:13px;
}
.fab-bubble a.fb-opt:hover{ border-color:var(--accent); background:#FBF4ED; color:var(--accent-deep); }

/* ---------- "to be developed" tooltip ---------- */
.wip-tip{
  position:fixed; z-index:300;
  background:var(--steel-deep); color:#fff;
  font-family:var(--font-mono); font-size:11.5px; letter-spacing:.03em;
  padding:8px 12px; border-radius:5px;
  box-shadow:0 10px 24px rgba(18,27,34,0.28);
  pointer-events:none; opacity:0; transform:translateY(4px) scale(.92);
  transition:opacity .12s, transform .12s;
  white-space:nowrap;
}
.wip-tip::after{
  content:''; position:absolute; top:100%; left:50%; margin-left:-5px;
  border:5px solid transparent; border-top-color:var(--steel-deep);
}
.wip-tip.show{ opacity:1; transform:translateY(0) scale(1); }

/* ---------- quote modal ---------- */
.modal-scrim{
  display:none; position:fixed; inset:0; background:rgba(18,27,34,0.6);
  z-index:200; align-items:center; justify-content:center; padding:20px;
}
.modal-scrim.open{ display:flex; }
.modal-box{
  background:var(--surface); width:100%; max-width:460px;
  border-radius:10px; overflow:hidden;
  box-shadow:0 30px 70px rgba(18,27,34,0.35);
  animation:modalIn .18s ease-out;
}
@keyframes modalIn{ from{ opacity:0; transform:translateY(14px) scale(.98); } to{ opacity:1; transform:translateY(0) scale(1); } }
.modal-head{
  background:var(--steel-deep); padding:22px 26px;
  display:flex; justify-content:space-between; align-items:flex-start;
}
.modal-head h3{ color:#fff; font-size:21px; }
.modal-head p{ color:#A9B5BA; font-size:13px; margin-top:6px; }
.modal-close{ background:none; border:none; color:#A9B5BA; font-size:20px; line-height:1; }
.modal-close:hover{ color:#fff; }
.modal-body{ padding:24px 26px 26px; }
.form-row{ margin-bottom:14px; }
.form-row label{ display:block; font-family:var(--font-mono); font-size:11px; letter-spacing:.05em; text-transform:uppercase; color:var(--ink-soft); margin-bottom:6px; }
.form-row input, .form-row textarea{
  width:100%; border:1px solid var(--line); border-radius:6px;
  padding:11px 13px; font-family:var(--font-body); font-size:14px; color:var(--ink);
  background:var(--bg);
}
.form-row input:focus, .form-row textarea:focus{ outline:none; border-color:var(--accent); background:#fff; }
.form-row textarea{ resize:vertical; min-height:80px; }
.modal-submit{ width:100%; justify-content:center; margin-top:4px; }
.modal-ty{ display:none; text-align:center; padding:18px 4px 6px; }
.modal-ty.show{ display:block; }
.modal-ty .ty-icon{
  width:54px; height:54px; border-radius:50%; background:var(--accent-soft); color:var(--accent-deep);
  display:flex; align-items:center; justify-content:center; font-size:26px; margin:0 auto 16px;
}
.modal-ty h4{ font-size:19px; margin-bottom:8px; }
.modal-ty p{ color:var(--ink-soft); font-size:14px; }
.crumb{ font-family:var(--font-mono); font-size:12px; color:var(--ink-soft); padding:20px 0; display:flex; gap:8px; align-items:center; }
.crumb a:hover{ color:var(--accent-deep); }

/* ---------- responsive ---------- */
@media(max-width:980px){
  .hero-grid, .split{ grid-template-columns:1fr; }
  .grid-3{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  nav.main-nav{ display:none; }
  .nav-toggle{ display:block; }
}
@media(max-width:620px){
  .grid-3, .grid-2{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .utility-bar .ub-items{ display:none; }
  .utility-bar .wrap{ justify-content:center; height:auto; padding:6px 14px; }
  .utility-bar .ub-cert{ flex-wrap:wrap; justify-content:center; gap:6px 14px; padding:4px 0; }
  .hero-stats{ flex-wrap:wrap; gap:24px; }

  /* header breathing room */
  .nav-row{ height:auto; padding:16px 0; gap:12px; flex-wrap:nowrap; }
  .wrap{ padding:0 20px; }
  .brand{ gap:10px; min-width:0; flex:1; }
  .brand-mark{ width:34px; height:34px; flex:none; font-size:10px; }
  .brand-text{ min-width:0; line-height:1.3; }
  .brand-text .b1{ font-size:14.5px; white-space:normal; display:block; margin-bottom:2px; }
  .brand-text .b2{ font-size:10px; white-space:normal; display:block; }
  .brand-text br{ display:none; }
  .cta-btn.nav-cta{ display:none; }
  .nav-toggle{ flex:none; padding:6px; }
  .utility-bar .wrap{ padding:8px 20px; }

  /* footer breathing room */
  footer.site-footer{ padding-top:56px; }
  .footer-grid{ gap:36px 24px; padding-bottom:40px; }
  .footer-grid h5{ margin-bottom:14px; }
  .footer-grid li{ margin-bottom:11px; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; gap:8px; padding-top:20px; padding-bottom:32px; }

  .table-scroll{ overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .spec-table{ min-width:560px; }
}

/* ---------- mobile dropdown nav ---------- */
@media(max-width:980px){
  /* neutralise desktop floating-panel positioning at this breakpoint,
     regardless of which combination of .open/.mobile-open classes is present */
  .mega{
    position:static !important;
    transform:none !important;
    box-shadow:none !important;
    min-width:0 !important;
    border:none !important;
    padding:4px 0 !important;
    background:rgba(255,255,255,0.04) !important;
  }
  .mega-head, .mega-foot{ display:none !important; }
  .mega-grid{ display:flex !important; flex-direction:column; padding:0 !important; gap:0 !important; }
  .mega a{ color:#C9D2D6 !important; padding:11px 4px !important; justify-content:center; }
  .mega a .mi{ display:none; }
  .mega a .mtext span{ display:none; }
  .mega a .mtext b{ color:#C9D2D6 !important; font-weight:500; }
  .mega a:hover{ background:none !important; }
  .mega a:hover .mtext b{ color:#fff !important; }

  nav.main-nav.mobile-open{
    display:flex; flex-direction:column;
    position:fixed; inset:0 0 0 auto; right:0; width:84%; max-width:340px;
    height:100vh; height:100dvh;
    background:var(--steel-deep); padding:90px 24px 24px;
    z-index:90; gap:2px; overflow-y:auto; -webkit-overflow-scrolling:touch;
    box-shadow:-20px 0 50px rgba(0,0,0,0.3);
  }
  nav.main-nav.mobile-open > a,
  nav.main-nav.mobile-open .has-mega > button{
    color:#fff; font-size:15px; padding:14px 4px;
    border-bottom:1px solid rgba(255,255,255,0.1);
    justify-content:center; width:100%; text-align:center;
    gap:8px;
  }
  nav.main-nav.mobile-open .has-mega > button svg{ flex:none; }
  nav.main-nav.mobile-open .mega{
    display:none !important;
  }
  nav.main-nav.mobile-open .has-mega.open .mega{
    display:flex !important; flex-direction:column !important; align-items:center !important;
  }
  nav.main-nav.mobile-open .mega a{ width:100%; }

  .nav-scrim{
    display:none; position:fixed; inset:0; background:rgba(18,27,34,0.5); z-index:85;
  }
  .nav-scrim.open{ display:block; }
}