/* LeakHawk — site stylesheet
   Light-first: paper ground, ink text, navy and amber as accents.
   See LeakHawk-Colour-Palette for full spec.

   Accessibility note: raw amber (#F2A93B) scores about 1.9:1 on paper and is
   never used for text here. Text-weight amber is --amber-deep. Raw amber is
   reserved for fills, rules and the logo. */

:root{
  /* Surfaces */
  --bg: #F7F5F1;          /* page — warm paper */
  --panel: #FFFFFF;       /* cards, calculator */
  --panel-alt: #EFEAE1;   /* banded sections: stat bar, footer CTA */

  /* Ink */
  --ink: #0B1620;         /* headings, and text sitting on amber */
  --text: #2C3B47;        /* body copy */
  --muted: #566670;       /* secondary copy — passes 4.5:1 on all three surfaces */
  --hair: #E2DBD0;        /* borders */
  --ghost: #D8CFC0;       /* oversized ghost numerals */

  /* Accents */
  --navy: #0B1620;
  --amber: #F2A93B;       /* fills only, never text */
  --amber-dim: #C77F1F;   /* pressed / hover fill */
  --amber-deep: #8A5200;  /* amber as text — 7.1:1 on paper */
  --amber-wash: rgba(242,169,59,0.18);

  /* Depth — light themes need shadow where dark themes used contrast */
  --lift: 0 1px 2px rgba(11,22,32,0.04), 0 2px 8px rgba(11,22,32,0.05);

  /* Legacy alias — older markup referenced --off-white for bright-on-dark text */
  --off-white: #0B1620;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; color-scheme:light; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter', Arial, Helvetica, sans-serif;
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  margin:0;
  line-height:1.1;
  color:var(--ink);
}
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
.mono{ font-family:'IBM Plex Mono', 'Courier New', monospace; }
::selection{ background:var(--amber-wash); color:var(--ink); }
:focus-visible{ outline:2px solid var(--amber-deep); outline-offset:2px; }

.wrap{
  max-width:1160px;
  margin:0 auto;
  padding:0 28px;
}

/* ===== NAV ===== */
nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,245,241,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--hair);
}
nav .wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding-top:14px;
  padding-bottom:14px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.brand-mark{
  width:auto;
  height:34px;          /* mark is 1.16:1, so ~39px wide */
  flex-shrink:0;
}
.brand span{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:22px;
  letter-spacing:0.5px;
  text-transform:uppercase;
  color:var(--ink);
}
.brand .hawk{ color:var(--amber-deep); }
.nav-links{
  display:flex;
  align-items:center;
  gap:28px;
  flex-wrap:wrap;
}
.nav-links a{
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  letter-spacing:0.3px;
  transition:color 0.15s ease;
}
.nav-links a:hover{ color:var(--ink); }
.nav-links a.active{ color:var(--amber-deep); }
.nav-cta{
  background:var(--amber);
  color:var(--ink);
  padding:10px 20px;
  border-radius:5px;
  font-weight:700;
  font-size:14px;
  letter-spacing:0.3px;
  white-space:nowrap;
  transition:background 0.15s ease;
}
.nav-cta:hover{ background:var(--amber-dim); color:var(--ink); }

/* ===== HERO ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding:110px 0 80px;
}
.hero-bg-mark{
  position:absolute;
  top:-30px;
  right:-50px;
  width:420px;
  height:362px;
  opacity:0.13;
  pointer-events:none;
  background-color:var(--amber);
  -webkit-mask-image:url('leakhawk-mark-large.png');
  -webkit-mask-size:contain;
  -webkit-mask-repeat:no-repeat;
  -webkit-mask-position:center;
  mask-image:url('leakhawk-mark-large.png');
  mask-size:contain;
  mask-repeat:no-repeat;
  mask-position:center;
}
.eyebrow{
  text-transform:uppercase;
  letter-spacing:2px;
  font-size:13px;
  font-weight:600;
  color:var(--amber-deep);
  margin-bottom:18px;
}
.headline{
  font-size:clamp(38px, 6vw, 68px);
  letter-spacing:0.5px;
  color:var(--ink);
  max-width:16ch;
}
.headline .accent{ color:var(--amber-deep); }
.sub{
  margin-top:24px;
  max-width:58ch;
  color:var(--muted);
  font-size:18px;
  line-height:1.65;
}
.cta-row{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:36px;
}
.btn-primary{
  display:inline-block;
  background:var(--amber);
  color:var(--ink);
  padding:14px 28px;
  border-radius:6px;
  font-weight:700;
  font-size:15px;
  letter-spacing:0.3px;
  box-shadow:var(--lift);
  transition:background 0.15s ease;
}
.btn-primary:hover{ background:var(--amber-dim); color:var(--ink); }
.btn-ghost{
  display:inline-block;
  padding:14px 28px;
  border-radius:6px;
  border:1px solid var(--hair);
  background:var(--panel);
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  transition:border-color 0.15s ease, color 0.15s ease;
}
.btn-ghost:hover{ border-color:var(--amber-deep); color:var(--amber-deep); }

/* ===== STAT BAR ===== */
.statbar{
  background:var(--panel-alt);
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
  padding:44px 0;
}
.statbar .wrap{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:32px;
}
.stat .num{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:44px;
  color:var(--amber-deep);
}
.stat .label{
  margin-top:8px;
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
}

/* ===== SECTIONS ===== */
section{ padding:90px 0; }
.sec-head{ max-width:640px; margin-bottom:44px; }
.sec-eyebrow{
  text-transform:uppercase;
  letter-spacing:2px;
  font-size:13px;
  font-weight:600;
  color:var(--amber-deep);
  margin-bottom:14px;
}
.sec-title{
  font-size:clamp(28px, 4vw, 40px);
  color:var(--ink);
}
.sec-body{
  margin-top:18px;
  color:var(--muted);
  font-size:16px;
  line-height:1.7;
  max-width:62ch;
}

/* ===== CALCULATOR ===== */
.calc-wrap{
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:40px;
  box-shadow:var(--lift);
}
.calc-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
.field{ margin-bottom:26px; }
.field label{
  display:flex;
  justify-content:space-between;
  align-items:center;
  text-transform:uppercase;
  letter-spacing:0.5px;
  font-size:12px;
  font-weight:600;
  color:var(--muted);
  margin-bottom:10px;
}
.field .val{
  font-family:'IBM Plex Mono', monospace;
  color:var(--amber-deep);
  font-size:13px;
}
input[type="range"]{
  -webkit-appearance:none;
  appearance:none;
  width:100%;
  height:4px;
  border-radius:2px;
  background:var(--hair);
  outline:none;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--amber);
  cursor:pointer;
  border:2px solid var(--panel);
  box-shadow:0 1px 3px rgba(11,22,32,0.25);
}
input[type="range"]::-moz-range-thumb{
  width:18px;
  height:18px;
  border-radius:50%;
  background:var(--amber);
  cursor:pointer;
  border:2px solid var(--panel);
  box-shadow:0 1px 3px rgba(11,22,32,0.25);
}
select,
input[type="text"],
input[type="email"],
input[type="tel"],
textarea{
  width:100%;
  background:var(--panel);
  border:1px solid var(--hair);
  color:var(--ink);
  padding:12px 14px;
  border-radius:6px;
  font-family:'Inter', sans-serif;
  font-size:14px;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus{
  outline:none;
  border-color:var(--amber-dim);
}
textarea{ resize:vertical; min-height:100px; }

/* ===== ENQUIRY FORM ===== */
.enquiry-card{
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:40px;
  box-shadow:var(--lift);
  max-width:640px;
  margin:36px auto 0;
  text-align:left;
}
.enquiry-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px 24px;
}
.enquiry-grid .field.full{ grid-column:1 / -1; }
.enquiry-card .btn-primary{
  width:100%;
  border:none;
  cursor:pointer;
  margin-top:4px;
}
.hp-field{ display:none; }

/* ===== LEAD GATE (compact name/email form on download cards + scorecard result) ===== */
.gate-form{
  display:grid;
  gap:8px;
  margin-top:16px;
}
.gate-form .btn-primary{
  width:100%;
  border:none;
  cursor:pointer;
  margin-top:4px;
}
.gate-note{
  font-size:12px;
  color:var(--muted);
  margin:4px 0 0;
  line-height:1.5;
}
.gate-done{
  margin-top:16px;
  font-size:14px;
  color:var(--ink);
}
.guarantee{
  display:inline-block;
  margin:20px auto 0;
  padding:10px 22px;
  background:var(--amber-wash);
  color:var(--amber-deep);
  font-weight:600;
  font-size:14px;
  border-radius:999px;
}
.calc-readout{
  border-left:1px solid var(--hair);
  padding-left:48px;
}
.readout-label{
  text-transform:uppercase;
  letter-spacing:0.5px;
  font-size:12px;
  font-weight:600;
  color:var(--muted);
}
.readout-value{
  font-size:44px;
  font-weight:600;
  color:var(--amber-deep);
  margin-top:6px;
}
.readout-sub{
  color:var(--muted);
  font-size:14px;
  margin-top:4px;
}
.readout-divider{
  height:1px;
  background:var(--hair);
  margin:22px 0;
}
.readout-secondary{
  display:flex;
  justify-content:space-between;
  padding:8px 0;
  font-size:14px;
}
.readout-secondary .k{ color:var(--muted); }
.readout-secondary .v{ color:var(--ink); font-weight:600; }
.calc-note{
  margin-top:22px;
  color:var(--muted);
  font-size:12.5px;
  line-height:1.6;
}
.calc-highlight{
  margin-top:22px;
  color:var(--amber-deep);
  font-size:13.5px;
  font-weight:600;
  line-height:1.5;
}

/* ===== PROCESS ===== */
.process-list{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:32px;
}
.process-item{
  border-top:2px solid var(--amber);
  padding-top:20px;
}
.process-num{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:36px;
  color:var(--ghost);
  margin-bottom:8px;
}
.process-item h3{
  font-size:22px;
  color:var(--ink);
  margin-bottom:10px;
}
.process-item p{
  color:var(--muted);
  font-size:15px;
  line-height:1.65;
}

/* ===== WHY GRID / CARDS ===== */
.why-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  gap:24px;
}
.why-grid.cols-3{ grid-template-columns:repeat(3, 1fr); }
.why-card{
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:28px;
  box-shadow:var(--lift);
}
.why-card .tag{
  display:inline-block;
  background:var(--amber-wash);
  color:var(--amber-deep);
  font-size:11px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
  padding:5px 10px;
  border-radius:4px;
  margin-bottom:14px;
}
.why-card h3{
  font-size:19px;
  color:var(--ink);
  margin-bottom:10px;
}
.why-card p{
  color:var(--muted);
  font-size:14.5px;
  line-height:1.65;
}

/* ===== SPEC TABLE ===== */
.spec-table{
  width:100%;
  border-collapse:collapse;
}
.spec-table td{
  padding:14px 0;
  border-bottom:1px solid var(--hair);
  font-size:14.5px;
}
.spec-table td:first-child{
  color:var(--muted);
  width:45%;
}
.spec-table td:last-child{
  color:var(--ink);
}

/* ===== CHECKLIST (Where Leaks Hide) ===== */
.checklist{
  display:grid;
  grid-template-columns:repeat(2, 1fr);
  gap:20px;
}
.check-item{
  display:flex;
  gap:18px;
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:22px;
  box-shadow:var(--lift);
}
.check-item .n{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:30px;
  color:var(--amber-deep);
  flex-shrink:0;
}
.check-item .t{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:6px;
}
.check-item .d{
  color:var(--muted);
  font-size:14px;
  line-height:1.6;
}

/* ===== FOOTER CTA ===== */
.footer-cta{
  background:var(--panel-alt);
  border-top:1px solid var(--hair);
  border-bottom:1px solid var(--hair);
  padding:80px 0;
  text-align:center;
}
.footer-cta h2{
  font-size:clamp(28px, 4vw, 40px);
  color:var(--ink);
}
.footer-cta .sub{
  margin:16px auto 0;
  text-align:center;
}
.footer-cta .btn-primary{ margin-top:30px; }

/* ===== FOOTER ===== */
footer{ padding:44px 0; }
footer .wrap{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.fmark{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:18px;
  color:var(--amber-deep);
  text-transform:uppercase;
  letter-spacing:0.5px;
}
.flinks{ display:flex; gap:24px; }
.flinks a{
  color:var(--muted);
  font-size:14px;
  transition:color 0.15s ease;
}
.flinks a:hover{ color:var(--ink); }
.fmeta{
  color:var(--muted);
  font-size:12.5px;
  flex-basis:100%;
}

/* ===== FAQ ===== */
.faq-list{ max-width:760px; }
.faq-item{
  border-bottom:1px solid var(--hair);
  padding:26px 0;
}
.faq-item:first-child{ padding-top:0; }
.faq-item:last-child{ border-bottom:none; }
.faq-q{
  font-size:19px;
  color:var(--ink);
  margin-bottom:10px;
}
.faq-a{
  color:var(--muted);
  font-size:15px;
  line-height:1.7;
}

/* Collapsible variant: <details class="faq-item"><summary class="faq-q">...</summary><p class="faq-a">...</p></details> */
details.faq-item > summary.faq-q{
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:0;
}
details.faq-item > summary.faq-q::-webkit-details-marker{ display:none; }
details.faq-item > summary.faq-q::after{
  content:"+";
  font-family:'IBM Plex Mono', monospace;
  font-size:20px;
  color:var(--amber-deep);
  flex-shrink:0;
  line-height:1;
}
details.faq-item[open] > summary.faq-q::after{ content:"\2212"; }
details.faq-item[open] > summary.faq-q{ margin-bottom:10px; }
details.faq-item > summary.faq-q:hover{ color:var(--amber-deep); }
details.faq-item > summary.faq-q:focus-visible{ outline:2px solid var(--amber-deep); outline-offset:4px; }

/* ===== ARTICLES ===== */
.article-card{
  display:block;
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:28px;
  box-shadow:var(--lift);
  transition:border-color 0.15s ease;
}
.article-card:hover{ border-color:var(--amber-dim); }
.article-card-meta{
  font-family:'IBM Plex Mono', monospace;
  text-transform:uppercase;
  letter-spacing:0.5px;
  font-size:11px;
  color:var(--amber-deep);
  margin-bottom:12px;
}
.article-card h3{
  font-size:19px;
  color:var(--ink);
  margin-bottom:10px;
}
.article-card p{
  color:var(--muted);
  font-size:14.5px;
  line-height:1.65;
}
.article-body{ padding:70px 0 90px; }
.article-body .wrap{ max-width:760px; }
.article-body h2{
  font-size:clamp(22px, 3vw, 28px);
  color:var(--ink);
  margin-top:48px;
  margin-bottom:16px;
}
.article-body p{
  color:var(--text);
  font-size:16.5px;
  line-height:1.75;
  margin-bottom:20px;
}
.article-body ul, .article-body ol{
  color:var(--text);
  font-size:16.5px;
  line-height:1.75;
  margin:0 0 20px 0;
  padding-left:22px;
}
.article-body li{ margin-bottom:8px; }
.article-body strong{ color:var(--ink); }
.data-table{
  width:100%;
  border-collapse:collapse;
  margin:8px 0 28px;
  font-size:14.5px;
}
.data-table th, .data-table td{
  text-align:left;
  padding:10px 14px;
  border-bottom:1px solid var(--hair);
}
.data-table th{
  text-transform:uppercase;
  letter-spacing:0.4px;
  font-size:11.5px;
  color:var(--muted);
  font-weight:700;
  background:var(--panel-alt);
}
.data-table td{ color:var(--text); }
.data-table td.mono, .data-table th.mono{ font-family:'IBM Plex Mono', monospace; }
.pull-quote{
  border-left:3px solid var(--amber);
  padding:4px 0 4px 24px;
  margin:36px 0;
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-size:clamp(20px, 2.5vw, 26px);
  font-weight:700;
  color:var(--ink);
  line-height:1.35;
}
.article-links{
  margin-top:48px;
  padding-top:28px;
  border-top:1px solid var(--hair);
  font-size:15px;
  color:var(--muted);
}
.article-links a{ color:var(--amber-deep); font-weight:600; text-decoration:underline; }

/* ===== VIDEO EMBED ===== */
.video-embed{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  border-radius:10px;
  overflow:hidden;
  border:1px solid var(--hair);
  box-shadow:var(--lift);
  background:var(--ink);
}
.video-embed iframe{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  border:0;
  display:block;
}

/* ===== SAMPLE REPORT PREVIEW ===== */
.report-preview{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:40px;
  align-items:start;
}
.report-cover-link{ display:block; }
.report-cover-img{
  width:100%;
  border-radius:8px;
  border:1px solid var(--hair);
  box-shadow:var(--lift);
  transition:transform 0.15s ease, box-shadow 0.15s ease;
}
.report-cover-link:hover .report-cover-img{
  transform:translateY(-3px);
  box-shadow:0 8px 24px rgba(11,22,32,0.14);
}
.report-preview-body h3{
  font-family:'Barlow Condensed', Arial, sans-serif;
  font-weight:800;
  font-size:22px;
  color:var(--ink);
  margin-bottom:14px;
}
.report-preview-list{
  margin:0 0 16px 0;
  padding-left:20px;
  color:var(--text);
}
.report-preview-list li{
  margin-bottom:8px;
  font-size:14.5px;
  line-height:1.6;
}
.report-note{
  color:var(--muted);
  font-size:13px;
  font-style:italic;
  margin-bottom:18px;
}

/* ===== REPORT STRIP (compact CTA) ===== */
.report-strip{
  display:flex;
  align-items:center;
  gap:22px;
  background:var(--panel);
  border:1px solid var(--hair);
  border-radius:10px;
  padding:20px 24px;
  box-shadow:var(--lift);
  margin-top:40px;
}
.report-strip img{
  width:56px;
  border-radius:4px;
  border:1px solid var(--hair);
  flex-shrink:0;
}
.report-strip-text{ flex:1; }
.report-strip-text .t{
  font-weight:700;
  color:var(--ink);
  font-size:15px;
  margin-bottom:4px;
}
.report-strip-text .d{
  color:var(--muted);
  font-size:13.5px;
}
.report-strip a.btn-ghost, .report-strip a.btn-primary{
  flex-shrink:0;
  padding:11px 20px;
  font-size:14px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 860px){
  .calc-grid{ grid-template-columns:1fr; }
  .calc-readout{ border-left:none; padding-left:0; border-top:1px solid var(--hair); padding-top:28px; }
  .process-list{ grid-template-columns:1fr; }
  .why-grid.cols-3{ grid-template-columns:repeat(2, 1fr); }
  .checklist{ grid-template-columns:1fr; }
  .statbar .wrap{ grid-template-columns:1fr; gap:24px; }
  .report-preview{ grid-template-columns:1fr; }
  .report-cover-link{ max-width:220px; }
}
@media (max-width: 600px){
  section{ padding:60px 0; }
  .hero{ padding:90px 0 60px; }
  .hero-bg-mark{ width:280px; height:242px; }
  .why-grid.cols-3{ grid-template-columns:1fr; }
  .enquiry-grid{ grid-template-columns:1fr; }
  .enquiry-card{ padding:28px 24px; }

  .report-strip{ flex-direction:column; align-items:flex-start; text-align:left; }
  .report-strip a.btn-primary, .report-strip a.btn-ghost{ width:100%; text-align:center; }

  nav .wrap{
    flex-wrap:wrap;
    padding-top:12px;
    padding-bottom:12px;
    row-gap:12px;
  }
  .brand{ order:1; }
  .nav-cta{ order:2; margin-left:auto; }
  .nav-links{
    order:3;
    flex-basis:100%;
    justify-content:center;
    gap:20px;
  }
  .nav-links a{ font-size:13px; }
}