/* ==========================================================================
   DMZ Holdings — Front Page Stylesheet
   Independent from assets/css/style.css (used by maintenance.php).
   Design language: architectural blueprint × isometric construction.
   ========================================================================== */

/* ---- Design tokens ---- */
:root{
  /* Color */
  --ink-950:#080D18;
  --ink-900:#0B1220;
  --ink-850:#101B30;
  --ink-800:#152341;
  --steel-600:#4B5568;
  --steel-400:#8493AC;
  --line-500:#3A5578;
  --paper:#F5F2EA;
  --paper-dim:#EAE5D8;
  --amber:#E8A33D;
  --amber-strong:#F2B563;
  --cyan:#4FD1C5;
  --white:#FFFFFF;

  /* Type */
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', 'Courier New', monospace;

  /* Rhythm */
  --section-pad: clamp(72px, 10vw, 140px);
  --container: 1220px;
}

*, *::before, *::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--ink-900);
  color:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img, svg{ max-width:100%; display:block; }
a{ color:inherit; }
.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
}

/* ---- Blueprint micro-typography (the page's structural signature) ---- */
.blueprint-tag{
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--cyan);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.blueprint-tag::before{
  content:"";
  width:14px; height:1px;
  background:var(--cyan);
  display:inline-block;
}
.crop-frame{
  position:relative;
}
.crop-frame::before, .crop-frame::after,
.crop-frame .cf-tr, .crop-frame .cf-bl{
  content:"";
  position:absolute;
  width:18px; height:18px;
  border-color:var(--amber);
  opacity:0.55;
}
.crop-frame::before{ top:-1px; left:-1px; border-top:1.5px solid; border-left:1.5px solid; }
.crop-frame::after{ bottom:-1px; right:-1px; border-bottom:1.5px solid; border-right:1.5px solid; }

/* ---- Buttons ---- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:14px 26px;
  border-radius:4px;
  font-family:var(--font-display);
  font-size:0.92rem;
  font-weight:500;
  letter-spacing:0.01em;
  text-decoration:none;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn:hover{ transform:translateY(-2px); }
.btn-amber{
  background:var(--amber);
  color:var(--ink-950);
}
.btn-amber:hover{ background:var(--amber-strong); }
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,0.25);
  color:var(--paper);
}
.btn-ghost:hover{ border-color:var(--cyan); color:var(--cyan); }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position:fixed;
  top:0; left:0; right:0;
  z-index:100;
  padding:18px 0;
  background:rgba(8,13,24,0.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  transition:padding 0.25s ease;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-family:var(--font-display);
  font-weight:600;
  font-size:1.15rem;
  color:var(--paper);
}
.brand-mark{
  width:26px; height:26px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
}
.brand-mark span{ background:var(--amber); border-radius:1px; }
.brand-mark span:nth-child(2n){ background:var(--white); }
.brand-mark span:nth-child(5){ background:transparent; }

.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
  list-style:none;
  margin:0; padding:0;
}
.nav-links a{
  font-size:0.88rem;
  text-decoration:none;
  color:var(--steel-400);
  transition:color 0.2s ease;
}
.nav-links a:hover{ color:var(--paper); }
.header-actions{ display:flex; align-items:center; gap:18px; }
.header-phone{
  font-family:var(--font-mono);
  font-size:0.82rem;
  color:var(--paper);
  text-decoration:none;
  display:flex; align-items:center; gap:8px;
}
.header-phone svg{ width:14px; height:14px; stroke:var(--amber); }
.nav-toggle{
  display:none;
  background:none;
  border:1px solid rgba(255,255,255,0.2);
  border-radius:4px;
  width:40px; height:40px;
  color:var(--paper);
  cursor:pointer;
}
.nav-toggle svg{ width:18px; height:18px; margin:auto; }

@media (max-width: 980px){
  .nav-links{
    position:fixed;
    top:64px; left:0; right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:var(--ink-950);
    border-bottom:1px solid rgba(255,255,255,0.08);
    max-height:0;
    overflow:hidden;
    transition:max-height 0.3s ease;
  }
  .nav-links.open{ max-height:400px; }
  .nav-links li{ width:100%; }
  .nav-links a{
    display:block;
    padding:16px 28px;
    width:100%;
    border-bottom:1px solid rgba(255,255,255,0.05);
  }
  .header-phone{ display:none; }
  .nav-toggle{ display:block; }
}
@media (max-width: 560px){
  .header-actions{ gap:10px; }
  .btn.btn-amber{
    padding:10px 16px;
    font-size:0.82rem;
    white-space:nowrap;
  }
  .brand{ font-size:1rem; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;
  padding:calc(var(--section-pad) + 60px) 0 var(--section-pad);
  background:
    radial-gradient(ellipse at 75% 15%, rgba(232,163,61,0.10), transparent 55%),
    linear-gradient(165deg, var(--ink-950) 0%, var(--ink-900) 55%, #133054 100%);
  overflow:hidden;
}
.hero-grid-overlay{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg, black, transparent 85%);
  pointer-events:none;
}
.hero .container{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:48px;
  align-items:center;
  position:relative;
  z-index:1;
}
.hero-copy h1{
  font-family:var(--font-display);
  font-size:clamp(2.4rem, 4.6vw, 3.6rem);
  line-height:1.08;
  font-weight:600;
  margin:18px 0 22px;
  letter-spacing:-0.01em;
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--amber);
}
.hero-copy p.lede{
  font-size:1.05rem;
  color:var(--steel-400);
  line-height:1.7;
  max-width:520px;
  margin-bottom:34px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:52px; }
.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,auto);
  gap:36px;
  border-top:1px solid rgba(255,255,255,0.1);
  padding-top:26px;
}
.hero-stat .num{
  font-family:var(--font-display);
  font-size:1.7rem;
  font-weight:600;
  color:var(--white);
  display:flex;
  align-items:baseline;
  gap:2px;
}
.hero-stat .num .suffix{ color:var(--amber); font-size:1.1rem; }
.hero-stat .label{
  font-family:var(--font-mono);
  font-size:0.68rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--steel-400);
  margin-top:4px;
}
.hero-art{
  position:relative;
}
.hero-art img{
  width:100%;
  filter:drop-shadow(0 30px 60px rgba(0,0,0,0.45));
  animation:float 7s ease-in-out infinite;
}
@keyframes float{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-14px); }
}
.hero-art .tag-float{
  position:absolute;
  font-family:var(--font-mono);
  font-size:0.66rem;
  letter-spacing:0.08em;
  color:var(--cyan);
  background:rgba(11,18,32,0.7);
  border:1px solid rgba(79,209,197,0.35);
  padding:6px 10px;
  border-radius:3px;
  backdrop-filter:blur(6px);
}
.hero-art .tag-1{ top:6%; left:2%; }
.hero-art .tag-2{ bottom:12%; right:0%; }

@media (max-width: 980px){
  .hero .container{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:420px; margin:0 auto 20px; }
  .hero-stats{ grid-template-columns:repeat(3,1fr); gap:18px; }
}

/* ==========================================================================
   Shape dividers (Elementor-style section transitions)
   ========================================================================== */
.shape-divider{
  display:block;
  width:100%;
  line-height:0;
  position:relative;
}
.shape-divider svg{ width:100%; height:70px; display:block; }
.shape-divider.to-paper svg path{ fill:var(--paper); }
.shape-divider.to-ink svg path{ fill:var(--ink-900); }
.shape-divider.to-panel svg path{ fill:var(--ink-850); }

/* ==========================================================================
   Section scaffolding
   ========================================================================== */
.section{ padding:var(--section-pad) 0; position:relative; }
.section-dark{ background:var(--ink-900); }
.section-panel{ background:var(--ink-850); }
.section-paper{ background:var(--paper); color:var(--ink-950); }
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-paper .section-head .blueprint-tag{ color:#0F7A6E; }
.section-head .blueprint-tag{ margin-bottom:14px; }
.section-head h2{
  font-family:var(--font-display);
  font-size:clamp(1.8rem, 3.4vw, 2.6rem);
  font-weight:600;
  line-height:1.18;
  margin:0 0 16px;
}
.section-paper .section-head h2{ color:var(--ink-950); }
.section-head p{
  color:var(--steel-400);
  font-size:1rem;
  line-height:1.7;
}
.section-paper .section-head p{ color:#5A5646; }

/* ---- Values ---- */
.values-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.value-card{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:10px;
  padding:32px 28px;
  transition:border-color 0.25s ease, transform 0.25s ease;
}
.value-card:hover{ border-color:rgba(232,163,61,0.4); transform:translateY(-4px); }
.value-card .vc-index{
  font-family:var(--font-mono);
  font-size:0.72rem;
  color:var(--amber);
  margin-bottom:18px;
  display:block;
}
.value-card h3{
  font-family:var(--font-display);
  font-size:1.15rem;
  margin:0 0 12px;
  font-weight:600;
}
.value-card p{ color:var(--steel-400); font-size:0.92rem; line-height:1.65; margin:0; }

@media (max-width: 860px){
  .values-grid{ grid-template-columns:1fr; }
}

/* ---- Verticals (portfolio) ---- */
.verticals-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:20px;
}
.vertical-card{
  background:var(--ink-800);
  border:1px solid rgba(255,255,255,0.07);
  border-radius:12px;
  padding:26px 22px 24px;
  text-decoration:none;
  color:inherit;
  transition:transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display:flex;
  flex-direction:column;
}
.vertical-card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,255,255,0.18);
  box-shadow:0 20px 40px rgba(0,0,0,0.35);
}
.vertical-card .vc-icon{ width:56px; margin-bottom:18px; }
.vertical-card h3{
  font-family:var(--font-display);
  font-size:1.02rem;
  font-weight:600;
  margin:0 0 8px;
}
.vertical-card p{
  font-size:0.84rem;
  color:var(--steel-400);
  line-height:1.55;
  margin:0;
  flex-grow:1;
}
.vertical-card .vc-arrow{
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:0.72rem;
  color:var(--cyan);
  display:flex; align-items:center; gap:6px;
}

@media (max-width: 1080px){
  .verticals-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (max-width: 560px){
  .verticals-grid{ grid-template-columns:1fr; }
}

/* ---- Flagship projects ---- */
.projects-rail{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:24px;
}
.project-card{
  background:linear-gradient(180deg, var(--ink-850), var(--ink-950));
  border:1px solid rgba(255,255,255,0.08);
  border-radius:14px;
  overflow:hidden;
  position:relative;
}
.project-card .pc-art{
  padding:30px 20px 0;
  background:
    radial-gradient(circle at 50% 20%, rgba(232,163,61,0.12), transparent 60%);
}
.project-card .pc-status{
  position:absolute;
  top:18px; left:18px;
  font-family:var(--font-mono);
  font-size:0.62rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:5px 10px;
  border-radius:20px;
  background:rgba(79,209,197,0.12);
  color:var(--cyan);
  border:1px solid rgba(79,209,197,0.3);
}
.project-card .pc-body{ padding:20px 24px 28px; }
.project-card h3{
  font-family:var(--font-display);
  font-size:1.15rem;
  margin:0 0 6px;
}
.project-card .pc-loc{
  font-family:var(--font-mono);
  font-size:0.72rem;
  color:var(--steel-400);
  margin-bottom:14px;
  display:block;
}
.project-card p{
  font-size:0.86rem;
  color:var(--steel-400);
  line-height:1.6;
  margin:0;
}

@media (max-width: 900px){
  .projects-rail{ grid-template-columns:1fr; }
}

/* ---- Process (blueprint timeline) ---- */
.process-rail{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:0;
  counter-reset:phase;
}
.process-rail::before{
  content:"";
  position:absolute;
  top:22px; left:0; right:0;
  height:1px;
  background:repeating-linear-gradient(90deg, var(--line-500) 0 8px, transparent 8px 16px);
}
.process-step{
  position:relative;
  padding:0 20px 0 0;
  counter-increment:phase;
}
.process-step .ps-node{
  width:44px; height:44px;
  border-radius:50%;
  background:var(--ink-900);
  border:1.5px solid var(--amber);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono);
  font-size:0.85rem;
  color:var(--amber);
  margin-bottom:22px;
  position:relative;
  z-index:1;
}
.process-step h3{
  font-family:var(--font-display);
  font-size:1rem;
  margin:0 0 10px;
  font-weight:600;
}
.process-step p{
  font-size:0.84rem;
  color:var(--steel-400);
  line-height:1.6;
  margin:0;
}

@media (max-width: 900px){
  .process-rail{ grid-template-columns:1fr; gap:36px; }
  .process-rail::before{ display:none; }
}

/* ---- Quote ---- */
.quote-section{
  background:var(--ink-950);
  padding:calc(var(--section-pad) * 0.7) 0;
  border-top:1px solid rgba(255,255,255,0.06);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.quote-mark{
  font-family:var(--font-display);
  font-size:4rem;
  color:var(--amber);
  line-height:1;
  margin-bottom:8px;
}
blockquote{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(1.4rem, 3vw, 2.1rem);
  font-weight:500;
  line-height:1.4;
  max-width:820px;
  color:var(--paper);
}
.quote-cite{
  display:block;
  margin-top:22px;
  font-family:var(--font-mono);
  font-size:0.8rem;
  color:var(--steel-400);
}

/* ---- Global division (EPC) ---- */
.global-band{
  background:var(--ink-850);
  border-top:1px solid rgba(255,255,255,0.06);
}
.global-band .global-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.global-caps{ display:flex; flex-direction:column; gap:14px; margin-top:28px; }
.global-caps div{
  font-family:var(--font-mono);
  font-size:0.8rem;
  color:var(--paper);
  padding:14px 16px;
  border-left:2px solid var(--amber);
  background:rgba(232,163,61,0.06);
}

@media (max-width: 900px){
  .global-band .global-grid{ grid-template-columns:1fr; }
}

/* ---- CTA / Contact ---- */
.cta-section{
  background:
    radial-gradient(ellipse at 30% 20%, rgba(79,209,197,0.10), transparent 55%),
    linear-gradient(165deg, #0F1B33, var(--ink-950));
  text-align:center;
  padding:var(--section-pad) 0;
}
.cta-section h2{
  font-family:var(--font-display);
  font-size:clamp(1.9rem, 4vw, 2.8rem);
  font-weight:600;
  margin:16px 0 20px;
}
.cta-section p{
  color:var(--steel-400);
  max-width:520px;
  margin:0 auto 36px;
  line-height:1.7;
}
.cta-actions{ display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.cta-contacts{
  margin-top:56px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  max-width:900px;
  margin-left:auto; margin-right:auto;
  text-align:left;
  border-top:1px solid rgba(255,255,255,0.08);
  padding-top:36px;
}
.cta-contacts .cc-label{
  font-family:var(--font-mono);
  font-size:0.66rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--cyan);
  display:block;
  margin-bottom:8px;
}
.cta-contacts a, .cta-contacts span{
  color:var(--paper);
  text-decoration:none;
  font-size:0.94rem;
  line-height:1.6;
}
.cta-contacts a:hover{ color:var(--amber); }

@media (max-width: 760px){
  .cta-contacts{ grid-template-columns:1fr; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{
  background:var(--ink-950);
  border-top:1px solid rgba(255,255,255,0.06);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  margin-bottom:40px;
}
.footer-brand p{
  color:var(--steel-400);
  font-size:0.86rem;
  line-height:1.7;
  margin:14px 0 0;
  max-width:280px;
}
.footer-col h4{
  font-family:var(--font-mono);
  font-size:0.7rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--cyan);
  margin:0 0 16px;
}
.footer-col ul{ list-style:none; margin:0; padding:0; }
.footer-col li{ margin-bottom:10px; }
.footer-col a{
  color:var(--steel-400);
  text-decoration:none;
  font-size:0.86rem;
  transition:color 0.2s ease;
}
.footer-col a:hover{ color:var(--paper); }
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  border-top:1px solid rgba(255,255,255,0.06);
  padding-top:24px;
  font-family:var(--font-mono);
  font-size:0.72rem;
  color:var(--steel-600);
}

@media (max-width: 860px){
  .footer-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width: 520px){
  .footer-grid{ grid-template-columns:1fr; }
}

/* ---- Scroll reveal ---- */
/* Progressive enhancement: content is visible by default. Only once JS
   confirms it's active (via .reveal-ready on <html>) do elements start
   hidden pending their reveal — so a JS failure never hides content. */
.reveal-ready [data-reveal]{
  opacity:0;
  transform:translateY(24px);
  transition:opacity 0.7s ease, transform 0.7s ease;
}
.reveal-ready [data-reveal].is-visible{
  opacity:1;
  transform:translateY(0);
}