/* ==========================================================================
   DFIR LABS AUSTRALIA — THEME
   Navy / charcoal / teal, typography-first.
   Display: Barlow Condensed | Utility/data: IBM Plex Mono | Body: Inter
   ========================================================================== */

:root{
  --navy:#0A1B2E;
  --navy-deep:#071322;
  --charcoal:#1C2127;
  --teal:#1F8A82;
  --teal-bright:#2FB3A8;
  --paper:#EEF1F0;
  --ink:#1B1F24;
  --slate:#59666D;
  --amber:#C9793B;
  --hair:rgba(238,241,240,0.14);
  --hair-dark:rgba(28,33,39,0.14);
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter', sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.display{font-family:'Barlow Condensed', sans-serif; font-weight:700; letter-spacing:-0.01em;}
.mono{font-family:'IBM Plex Mono', monospace;}
a{color:inherit;}
img{max-width:100%; display:block;}
:focus-visible{outline:2px solid var(--teal-bright); outline-offset:3px;}

.wrap{max-width:1040px; margin:0 auto; padding:0 28px;}

/* ==========================================================================
   HEADER / NAV
   ========================================================================== */
header{
  background:var(--navy-deep);
  color:var(--paper);
  padding:22px 0;
  border-bottom:1px solid var(--hair);
  position:sticky;
  top:0;
  z-index:10;
}
header .wrap{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:16px;}
.wordmark{
  font-family:'Barlow Condensed', sans-serif;
  font-weight:700;
  font-size:40px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  text-decoration:none;
  color:var(--paper);
}
.wordmark span{color:var(--teal-bright);}
nav.primary-nav{display:flex; gap:28px; align-items:center;}
nav.primary-nav a{
  font-family:'IBM Plex Mono', monospace;
  font-size:15px;
  letter-spacing:0.025em;
  text-transform:uppercase;
  text-decoration:none;
  color:rgba(238,241,240,0.65);
  transition:color 0.15s ease;
}
nav.primary-nav a:hover, nav.primary-nav a[aria-current="page"]{color:var(--teal-bright);}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero{
  background:linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
  color:var(--paper);
  padding:76px 0 96px;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-120px; top:-80px;
  width:420px; height:420px;
  border:1px solid rgba(47,179,168,0.16);
  border-radius:50%;
}
.hero--compact{padding:52px 0 64px;}
.hero--compact h1{max-width:22ch; font-size:clamp(32px, 5vw, 48px);}

.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:16px;
  letter-spacing:0.10em;
  text-transform:uppercase;
  color:var(--teal-bright);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:22px;
}
.eyebrow::before{
  content:"";
  width:8px; height:8px;
  background:var(--amber);
  border-radius:50%;
  flex:none;
}
.eyebrow.no-dot::before{display:none;}

.hero h1{
  font-family:'Barlow Condensed', sans-serif;
  font-weight:700;
  letter-spacing:-0.01em;
  font-size:clamp(38px, 6vw, 64px);
  line-height:1.03;
  max-width:15ch;
  margin-bottom:26px;
}
.hero h1 em{font-style:normal; color:var(--teal-bright);}
.hero p.lede{
  font-size:19px;
  color:rgba(238,241,240,0.82);
  max-width:56ch;
  margin-bottom:36px;
}
.hero-ctas{display:flex; gap:16px; flex-wrap:wrap;}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn{
  font-family:'IBM Plex Mono', monospace;
  font-size:13.5px;
  letter-spacing:0.04em;
  text-transform:uppercase;
  text-decoration:none;
  padding:15px 26px;
  border-radius:2px;
  display:inline-block;
  border:1px solid transparent;
  cursor:pointer;
  transition:background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary{background:var(--teal); color:var(--navy-deep); font-weight:500;}
.btn-primary:hover{background:var(--teal-bright);}
.btn-ghost{border-color:rgba(238,241,240,0.3); color:var(--paper); background:transparent;}
.btn-ghost:hover{border-color:var(--teal-bright); color:var(--teal-bright);}
.btn-ghost-dark{border-color:rgba(28,33,39,0.25); color:var(--ink); background:transparent;}
.btn-ghost-dark:hover{border-color:var(--teal); color:var(--teal);}

/* ==========================================================================
   SECTION SHELLS
   Apply one background modifier per <section>.
   ========================================================================== */
section{padding:88px 0;}
.section-light{background:var(--paper); color:var(--ink);}
.section-white{background:#fff; color:var(--ink);}
.section-navy{background:var(--navy); color:var(--paper);}
.section-charcoal{background:var(--charcoal); color:var(--paper);}

.section-head{max-width:62ch; margin-bottom:52px;}
.section-eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:14px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:14px;
}
.section-navy .section-eyebrow, .section-charcoal .section-eyebrow{color:var(--teal-bright);}

h2{
  font-family:'Barlow Condensed', sans-serif;
  font-weight:700;
  letter-spacing:-0.01em;
  font-size:clamp(28px, 3.6vw, 40px);
  line-height:1.08;
}
.section-head p{color:var(--slate); font-size:16.5px; margin-top:16px; max-width:56ch;}
.section-navy .section-head p, .section-charcoal .section-head p{color:rgba(238,241,240,0.68);}

/* ==========================================================================
   TIMELINE — signature component
   Use inside a .section-charcoal or .section-navy block.
   ========================================================================== */
.timeline{position:relative; margin-top:64px; padding-top:6px;}
.timeline-track{position:relative; height:3px; background:rgba(238,241,240,0.14); border-radius:2px;}
.timeline-fill{
  position:absolute; left:0; top:0; height:100%; width:100%;
  background:linear-gradient(90deg, var(--teal-bright) 0%, var(--teal) 70%, var(--amber) 100%);
  border-radius:2px;
}
.timeline-marks{display:grid; grid-template-columns:repeat(auto-fit, minmax(160px, 1fr)); margin-top:0;}
.tmark{
  position:relative;
  padding-top:22px;
  border-left:1px solid rgba(238,241,240,0.28);
  padding-left:14px;
  padding-bottom:4px;
}
.tmark::before{
  content:"";
  position:absolute; top:-4.5px; left:-4.5px;
  width:9px; height:9px; border-radius:50%;
  background:var(--teal-bright);
  border:2px solid var(--charcoal);
}
.tmark.deadline::before{background:var(--amber);}
.tmark .t-hour{
  font-family:'IBM Plex Mono', monospace; font-size:12.5px;
  color:var(--teal-bright); letter-spacing:0.03em; display:block; margin-bottom:6px;
}
.tmark.deadline .t-hour{color:var(--amber);}
.tmark .t-label{
  font-family:'Barlow Condensed', sans-serif; font-weight:600; font-size:24px;
  display:block; margin-bottom:6px;
}
.tmark .t-desc{font-size:14px; color:rgba(238,241,240,0.62); max-width:22ch;}
.deadline-flag{
  font-family:'IBM Plex Mono', monospace; font-size:11.5px; color:var(--amber);
  text-transform:uppercase; letter-spacing:0.05em; margin-top:8px; display:inline-block;
}
@media (max-width:820px){.timeline-marks{grid-template-columns:1fr; row-gap:28px;}}

/* ==========================================================================
   TAG LIST — small mono list, dark chips on light/dark backgrounds
   ========================================================================== */
.tag-list{list-style:none; display:flex; flex-direction:column; gap:12px;}
.tag-list li{
  font-family:'IBM Plex Mono', monospace; font-size:13.5px;
  background:var(--navy-deep); color:var(--paper);
  padding:13px 16px; border-left:3px solid var(--teal);
}

/* ==========================================================================
   TWO-COLUMN SPLIT (copy + aside or copy + list)
   ========================================================================== */
.split{display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:start;}
.split.even{grid-template-columns:1fr 1fr;}
.split p{font-size:16.5px; margin-bottom:18px; max-width:52ch;}
.split p:last-child{margin-bottom:0;}
.aside{border-left:2px solid var(--teal); padding-left:24px;}
.aside .a-label{
  font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--teal-bright);
  text-transform:uppercase; letter-spacing:0.05em; display:block; margin-bottom:10px;
}
.section-light .aside .a-label, .section-white .aside .a-label{color:var(--teal);}
.aside p{font-size:15px;}
@media (max-width:820px){.split{grid-template-columns:1fr;}}

/* ==========================================================================
   FEATURE GRID — dark bordered cells, e.g. capabilities / evidence / inputs
   ========================================================================== */
.feature-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:1px;
  background:rgba(238,241,240,0.12); border:1px solid rgba(238,241,240,0.12);
}
.feature-item{background:var(--navy-deep); padding:26px 22px;}
.feature-item .f-tag{
  font-family:'IBM Plex Mono', monospace; font-size:13px; color:var(--teal-bright);
  letter-spacing:0.05em; text-transform:uppercase; display:block; margin-bottom:10px;
}
.feature-item .f-name{
  font-family:'Barlow Condensed', sans-serif; font-weight:600; font-size:26px;
  color:var(--paper); display:block; margin-bottom:8px;
}
.feature-item .f-desc{font-size:13.5px; color:rgba(238,241,240,0.6);}

/* ==========================================================================
   CARD GRID — light cards, e.g. services / deliverables / process steps
   Add .cols-2 / .cols-3 / .cols-4 to set column count on wider screens.
   ========================================================================== */
.card-grid{display:grid; gap:28px;}
.card-grid.cols-2{grid-template-columns:repeat(2, 1fr);}
.card-grid.cols-3{grid-template-columns:repeat(3, 1fr);}
.card-grid.cols-4{grid-template-columns:repeat(4, 1fr);}
.card{border:1px solid var(--hair-dark); padding:32px 26px; background:#fff;}
.card .c-num{
  font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--teal);
  letter-spacing:0.05em; display:block; margin-bottom:16px;
}
.card h3{
  font-family:'Barlow Condensed', sans-serif; font-weight:700; font-size:24px; margin-bottom:12px;
}
.card p{color:var(--slate); font-size:14.5px;}
@media (max-width:820px){
  .card-grid.cols-2, .card-grid.cols-3, .card-grid.cols-4{grid-template-columns:1fr;}
}

/* ==========================================================================
   SIMPLE FORM — for contact pages
   ========================================================================== */
.form-field{margin-bottom:20px;}
.form-field label{
  font-family:'IBM Plex Mono', monospace; font-size:12px; text-transform:uppercase;
  letter-spacing:0.05em; color:var(--slate); display:block; margin-bottom:8px;
}
.form-field input, .form-field textarea{
  width:100%; font-family:'Inter', sans-serif; font-size:15px; color:var(--ink);
  background:#fff; border:1px solid var(--hair-dark); padding:13px 14px; border-radius:2px;
}
.form-field input:focus, .form-field textarea:focus{border-color:var(--teal); outline:none;}
.form-field textarea{resize:vertical; min-height:120px;}

/* ==========================================================================
   CTA BLOCK
   ========================================================================== */
.cta-block{padding:96px 0 60px; text-align:center;}
.cta-block h2{max-width:20ch; margin:0 auto 18px;}
.cta-block p{max-width:48ch; margin:0 auto 40px; font-size:16.5px;}
.cta-block .cta-contact{display:flex; justify-content:center; gap:18px; flex-wrap:wrap; margin-bottom:60px;}

/* ==========================================================================
   FOOTER
   ========================================================================== */
footer{
  border-top:1px solid var(--hair);
  padding-top:28px; padding-bottom:36px;
  font-family:'IBM Plex Mono', monospace; font-size:12px;
  color:rgba(238,241,240,0.45);
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
}

@media (max-width:600px){
  section{padding:60px 0;}
  .hero{padding:56px 0 72px;}
  nav.primary-nav{gap:18px;}
}