:root{
  /* White / black structure + light blue brand accent */
  --bg: #F4F7FA;
  --surface: #ffffff;
  --text: #111111;
  --muted: #5a5a5a;
  --border: #C9D5E0;
  --accent: #4A90C8;
  --accent-dark: #2F6F9F;
  --accent-soft: #E3F0F8;
  --ink: #1a1a1a;
  --card-cream: #ffffff;
  /* tunnel hatch (Option A — soft blue) */
  --tunnel-wall: #D9E6F0;
  --tunnel-hatch: rgba(47, 111, 159, 0.22);
  --tunnel-end: #3D5F7A;
  --tunnel-end-hatch: rgba(0, 0, 0, 0.35);
  --tunnel-end-border: #2A4458;
  --radius: 0px;
  --radius-sm: 0px;
  --shadow: 6px 10px 0 rgba(0,0,0,0.12);
  --shadow-soft: 8px 14px 30px rgba(0,0,0,0.07);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'JetBrains Mono', 'Courier New', monospace;
  --max-width: 1280px;
}

*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html{
  scroll-behavior: smooth;
}

body{
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(#B7C9D6 1px, transparent 1px);
  background-size: 20px 20px;
}

.container{
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244,247,250,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px dashed var(--border);
}

.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: var(--text);
  line-height: 1.1;
}

.logo-word{
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
  text-transform: uppercase;
}

.logo-lockup{
  display: block;
  height: 3.5rem; /* ~56px — full diamond + stacked wordmark */
  width: auto;
  max-width: min(220px, 48vw);
  object-fit: contain;
  object-position: left center;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  flex-shrink: 0;
}

/* Star-fort mark — header + favicon (new Bulwark mark from Clippings) */
.logo-mark{
  width: 5rem;
  height: 5rem;
  display: block;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  flex-shrink: 0;
}

.main-nav{
  display: flex;
  gap: 2rem;
  align-items: center;
}

.main-nav a{
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.2s;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.main-nav a:hover{
  color: var(--text);
}

.nav-cta{
  background: var(--text);
  color: var(--bg) !important;
  padding: 0.55rem 1rem;
  border-radius: 0;
  border: 1px solid var(--text);
  box-shadow: 3px 3px 0 var(--accent);
}

.menu-toggle{
  display: none;
  background: var(--surface);
  border: 1px solid var(--text);
  font-size: 1.2rem;
  padding: 0.35rem 0.6rem;
  color: var(--text);
  cursor: pointer;
  border-radius: 0;
  box-shadow: 2px 2px 0 var(--accent);
}

/* Hero */
.hero{
  position: relative;
  padding: 7rem 0 5rem;
  overflow: hidden;
}

.hero-inner{
  position: relative;
  max-width: 780px;
}

.eyebrow{
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-dark);
  margin-bottom: 1.2rem;
  display: inline-block;
  padding: 0.25rem 0.6rem;
  border: 1px dashed var(--accent-dark);
  border-radius: 0;
  background: var(--accent-soft);
}

h1{
  font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--ink);
}

.accent{
  color: var(--accent-dark);
  text-decoration: underline;
  text-decoration-style: wavy;
  text-underline-offset: 4px;
}

.hero-subtitle{
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 580px;
  margin-bottom: 2.5rem;
}

.hero-actions{
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 0;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.btn-primary{
  background: var(--text);
  color: var(--bg);
  border: 1px solid var(--text);
  box-shadow: 4px 4px 0 var(--accent);
}

.btn-primary:hover{
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent-dark);
}

.btn-secondary{
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: 4px 4px 0 var(--accent-soft);
}

.btn-secondary:hover{
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent);
}

/* Sections */
.section-head{
  max-width: 640px;
  margin-bottom: 3rem;
}

.section-head h2{
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.section-lead{
  color: var(--muted);
  font-size: 1.05rem;
}

section{
  padding: 5.5rem 0;
}

/* Services cards */
.services{
  background: var(--surface);
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

.service-cards{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  justify-items: center;
  align-items: center;
  gap: 1.25rem;
  padding: 3rem 0;
  perspective: 1400px;
}

.service-card{
  position: relative;
  width: 100%;
  max-width: 260px;
  height: 360px;
  border-radius: 0;
  padding: 0;
  transform-style: preserve-3d;
  cursor: pointer;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  /* rAF drives the tilt every frame; a CSS transition on this transform causes jitter. */
  transition: none;
}

.service-card.flipped{
  --rx: 0deg;
  --ry: 0deg;
}

.card-inner{
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.45s cubic-bezier(0.23, 1, 0.32, 1);
  background: transparent;
}

.service-card.flipped .card-inner{
  transform: rotateY(180deg);
}

.card-face{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: var(--card-cream);
  border: 1px solid var(--border);
  border-radius: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  box-shadow: none;
  transform: rotateY(0deg) translateZ(1px);
}

.card-face-back{
  transform: rotateY(180deg) translateZ(1px);
  background: var(--card-cream);
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.9rem;
}




/*
  Card art — dithered geometric solid per service.
  Pure inline SVG ordered-dither (circle / triangle / hexagon / square);
  subtle pointer drift via --pointer-x/y set by cards.js. No image pipeline.
*/
.card-art{
  position: absolute;
  right: -50px;
  top: 50%;
  width: 190px;
  height: 190px;
  transform: translateY(-50%);
  --pointer-x: 0;
  --pointer-y: 0;
  translate: calc(var(--pointer-x, 0) * -0.5rem)
             calc(var(--pointer-y, 0) * 0.5rem);
  will-change: translate;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  z-index: 1;
  pointer-events: none;
}

.card-art svg{
  width: 100%;
  height: 100%;
  display: block;
}

.service-card.flipped .card-art{
  visibility: hidden;
}








/* Indices — muted-gold serif */
.card-index{
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1rem;
  font-weight: 400;
  color: var(--accent-dark);
  line-height: 1;
  z-index: 3;
}

.card-index-bottom{
  display: none;
}

.card-front{
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* Title scrim — diagonal white wash above the art layer (z 1), below the text.
   Guarantees the title never reads over busy dither, even under parallax drift. */
.card-front::before{
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(55deg,
      rgba(255,255,255,0.96) 0%,
      rgba(255,255,255,0.85) 22%,
      rgba(255,255,255,0.45) 42%,
      transparent 62%);
}

.card-front h3{
  position: relative;
  z-index: 1;
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--ink);
  max-width: 72%;
  line-height: 1.05;
  text-transform: none;
  text-shadow:
    0 0 10px rgba(255,255,255,0.95),
    0 0 3px rgba(255,255,255,0.95);
}

/* Card back — clean centered stack, no messy bullets */
.card-face-back h3{
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
  max-width: 14ch;
}

.card-face-back ul{
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.card-face-back li{
  margin: 0;
  padding: 0.42rem 0.15rem;
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.35;
  border-top: 1px solid var(--border);
}

.card-face-back li:last-child{
  border-bottom: 1px solid var(--border);
}

/* kill default markers / old em-dash bullets */
.card-face-back li::before,
.card-face-back li::marker{
  content: none;
  display: none;
}

.card-price{
  margin: 0.15rem 0 0;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-price strong{
  color: var(--text);
  font-weight: 800;
  font-size: 0.95rem;
}

.price-note{
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* How it works */
.steps{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.step{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1.5rem;
  box-shadow: 4px 6px 0 rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.step:hover{
  transform: translate(-3px, -3px);
  box-shadow: 6px 9px 0 rgba(0,0,0,0.06);
}

.step::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
}

.step-number{
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent-dark);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 1rem;
}

.step h3{
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--ink);
}

.step p{
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Pricing */
.pricing-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

@media (max-width: 1200px){
  .pricing-grid{ grid-template-columns: repeat(2, 1fr); }
}

.pricing-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1.75rem;
  box-shadow: 4px 6px 0 rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.pricing-card:hover{
  transform: translate(-3px, -3px);
  box-shadow: 6px 9px 0 rgba(0,0,0,0.06);
}

.pricing-card.featured::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-dark);
}

.pricing-card h3{
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--ink);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-card .price{
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
  color: var(--ink);
}

.pricing-card p{
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Contact */
.contact{
  background: var(--surface);
  border-top: 1px dashed var(--border);
}

.contact-box{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 2.5rem;
  box-shadow: 6px 10px 0 rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.contact-box::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--accent);
}

.contact-text ul{
  list-style: none;
  margin-top: 1.25rem;
}

.contact-text li{
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-text li::before{
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.contact-form{
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.contact-form label{
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.contact-form input,
.contact-form textarea{
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0;
  background: var(--surface);
  font-family: var(--font);
  font-size: 0.95rem;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline: none;
  border-color: var(--accent-dark);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.contact-form button{
  margin-top: 0.5rem;
}

.form-note{
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 0.5rem;
  font-family: var(--font-display);
}

/* Footer */
.site-footer{
  background: var(--text);
  color: var(--bg);
  padding: 2.5rem 0;
  text-align: center;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
}

.footer-note{
  font-size: 0.75rem;
  opacity: 0.65;
  margin-top: 0.5rem;
}

/* Why — operator credibility band */
.why{
  background: var(--surface);
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

.why .step-number{
  opacity: 0.85;
}

/* Booking panel (replaces static form) */
.booking-panel{
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.booking-panel h3{
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.booking-panel p{
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.booking-panel ul{
  list-style: none;
}

.booking-panel li{
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.booking-panel li::before{
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.booking-panel .btn{
  align-self: flex-start;
  margin-top: 0.25rem;
}

.booking-panel .form-note a{
  color: var(--accent-dark);
}

/* Booking modal — Proton blocks iframing (frame-ancestors), so the dialog
   sets expectations and hands off to the booking page in a new tab. */
.booking-modal{
  position: fixed;
  inset: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.18s ease-out, visibility 0.18s;
}

.booking-modal.open{
  visibility: visible;
  opacity: 1;
}

.booking-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(20, 39, 63, 0.62);
}

.booking-dialog{
  position: relative;
  width: min(460px, 100%);
  background: var(--surface);
  border: 1px solid var(--text);
  box-shadow: 8px 8px 0 var(--accent);
  padding: 1.75rem;
  transform: translateY(8px);
  transition: transform 0.18s ease-out;
}

.booking-modal.open .booking-dialog{
  transform: translateY(0);
}

.booking-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.booking-head .eyebrow{
  margin-bottom: 0;
}

.booking-close{
  background: var(--surface);
  border: 1px solid var(--text);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
  border-radius: 0;
  box-shadow: 2px 2px 0 var(--accent);
}

.booking-close:hover{
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--accent-dark);
}

.booking-dialog h3{
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1rem;
}

.booking-points{
  list-style: none;
  margin-bottom: 1.5rem;
}

.booking-points li{
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.6rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.booking-points li::before{
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-dark);
  font-weight: 700;
}

.booking-go{
  width: 100%;
}

.booking-note{
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: var(--font-display);
}

.footer-links{
  margin-top: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: rgba(244, 247, 250, 0.65);
}

.footer-links a{
  color: rgba(244, 247, 250, 0.65);
  text-decoration: none;
  border-bottom: 1px dashed rgba(244, 247, 250, 0.35);
}

.footer-links a:hover{
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.footer-emails{
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 1100px){
  .service-cards{ grid-template-columns: repeat(2, 1fr); }
  .service-card{
    max-width: 280px;
    height: 380px;
  }
}

@media (max-width: 960px){
  .steps{ grid-template-columns: repeat(2, 1fr); }
  .pricing-grid{ grid-template-columns: 1fr; }
  .contact-box{ grid-template-columns: 1fr; }
}

@media (max-width: 720px){
  .main-nav{ display: none; }
  .main-nav.open{
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 200;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem 4% 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--text);
    box-shadow: 0 10px 0 rgba(0, 0, 0, 0.10);
  }
  .menu-toggle{ display: block; }
  .hero{ padding: 4rem 0; }
  h1{ font-size: 2.2rem; }
  .steps{ grid-template-columns: 1fr; }
  .service-cards{ grid-template-columns: 1fr; }
  .service-card{
    max-width: 280px;
    height: 360px;
  }
  
  .card-front h3,
  .card-peek,
  .card-face-back h3{
    max-width: 80%;
  }
}

@media (max-width: 480px){
  .service-card{
    max-width: 260px;
    height: 340px;
  }
  .card-front h3{ font-size: 1.15rem; }
  .card-face-back h3{ font-size: 1.15rem; }
}