/* ============================================================
   KESTREL — design tokens
   ============================================================ */
:root{
  --paper: #F4F5F0;
  --paper-deep: #E9EAE3;
  --ink: #15160F;
  --ink-soft: rgba(21,22,15,0.62);
  --ink-faint: rgba(21,22,15,0.38);
  --red: #E13A2E;
  --red-deep: #8C1F1A;
  --sage: #7C8F6E;
  --steel: #9A9C93;
  --line: rgba(21,22,15,0.12);
  --line-strong: rgba(21,22,15,0.22);
  --white: #FFFFFF;

  --font-display: 'Space Grotesk', ui-sans-serif, sans-serif;
  --font-body: 'Inter', ui-sans-serif, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --nav-h: 84px;
  --ease: cubic-bezier(.22,.72,.24,1);
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html,body{ margin:0; padding:0; }

body{
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection{ background: var(--red); color: var(--white); }

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin:0; padding:0; }

:focus-visible{
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* ============================================================
   Loader
   ============================================================ */
#loader{
  position: fixed; inset:0; z-index: 999;
  background: var(--paper);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap: 18px;
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}
#loader.hidden{ opacity:0; visibility:hidden; pointer-events:none; }
.loader-mark{
  font-family: var(--font-display); font-weight:700; letter-spacing: .28em;
  font-size: 14px; color: var(--ink);
}
.loader-bar{ width: 160px; height:2px; background: var(--line); overflow:hidden; }
.loader-bar span{ display:block; height:100%; width:0%; background: var(--red); transition: width .25s ease; }

/* ============================================================
   3D world canvas
   ============================================================ */
#world{
  position: fixed; inset:0;
  width:100vw; height:100vh;
  z-index:0;
  display:block;
  background: linear-gradient(180deg, #F7F8F3 0%, #EEEFE8 100%);
}
#worldVignette{
  position: fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(ellipse 120% 90% at 50% 100%, rgba(21,22,15,0.10), transparent 60%),
    radial-gradient(ellipse 140% 100% at 50% 0%, rgba(21,22,15,0.08), transparent 55%);
}

#markers{
  position: fixed; inset:0; z-index:2; pointer-events:none;
}
.marker{
  position:absolute; top:0; left:0;
  transform: translate(-50%,-100%);
  display:flex; align-items:center; gap:8px;
  padding: 8px 12px 8px 10px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(6px);
  border:1px solid var(--line);
  border-radius: 100px;
  box-shadow: 0 8px 20px rgba(21,22,15,0.08);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing:.01em;
  color: var(--ink);
  white-space: nowrap;
  opacity:0;
  transition: opacity .5s var(--ease);
  will-change: transform, opacity;
}
.marker.visible{ opacity:1; }
.marker .pip{
  width:6px; height:6px; border-radius:50%; background: var(--red);
  box-shadow: 0 0 0 3px rgba(225,58,46,0.18);
  flex: none;
}
.marker .marker-label{ color: var(--ink-soft); }
.marker .marker-value{ font-weight:500; }

/* ============================================================
   Nav
   ============================================================ */
.nav{
  position: fixed; top:0; left:0; right:0; z-index: 50;
  height: var(--nav-h);
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 32px;
  background: linear-gradient(180deg, rgba(244,245,240,0.92), rgba(244,245,240,0));
  pointer-events: none;
}
.nav > *{ pointer-events:auto; }

.nav-mark{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-display); font-weight:700;
}
.nav-mark-glyph{
  width:32px; height:32px; border-radius:8px;
  background: var(--ink);
  color: var(--paper);
  display:flex; align-items:center; justify-content:center;
  font-size:15px;
  position:relative;
  overflow:hidden;
}
.nav-mark-glyph::after{
  content:''; position:absolute; inset:0;
  background: var(--red);
  clip-path: polygon(0 100%, 100% 0, 100% 35%, 35% 100%);
}
.nav-mark-word{ letter-spacing:.12em; font-size:14px; }

.nav-links{
  display:flex; gap: 36px;
  font-size: 13px; font-weight:500;
}
.nav-links a{
  display:flex; align-items:center; gap:8px;
  color: var(--ink-soft);
  transition: color .25s var(--ease);
  position:relative;
}
.nav-links a:hover{ color: var(--ink); }
.nav-links .idx{
  font-family: var(--font-mono); font-size:10px; color: var(--red);
}

.nav-cta{ display:inline-flex; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; border:1px solid var(--line-strong); border-radius:8px;
  background: rgba(255,255,255,0.7);
  cursor:pointer;
}
.nav-toggle span{ display:block; height:1.5px; width:16px; margin:0 auto; background: var(--ink); transition: transform .3s var(--ease), opacity .3s var(--ease); }
.nav-toggle.open span:nth-child(1){ transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu{
  position: fixed; inset: var(--nav-h) 0 0 0; z-index:45;
  background: rgba(244,245,240,0.98);
  backdrop-filter: blur(10px);
  display:flex; flex-direction:column; gap: 4px;
  padding: 24px 28px;
  transform: translateY(-8px);
  opacity:0; pointer-events:none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.mobile-menu.open{ opacity:1; transform: translateY(0); pointer-events:auto; }
.mobile-menu a{
  padding: 16px 4px; border-bottom:1px solid var(--line);
  font-family: var(--font-display); font-size: 22px;
}
.mobile-menu .btn{ margin-top:20px; align-self:flex-start; }

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family: var(--font-body); font-weight:600; font-size:14px;
  padding: 14px 22px;
  border-radius: 100px;
  border:1px solid transparent;
  cursor:pointer;
  transition: transform .35s var(--ease), background .3s var(--ease), color .3s var(--ease), box-shadow .3s var(--ease);
  white-space:nowrap;
}
.btn .arrow{ transition: transform .3s var(--ease); display:inline-block; }
.btn:hover .arrow{ transform: translateX(4px); }
.btn:active{ transform: scale(.97); }

.btn-primary{
  background: var(--red);
  color: var(--white);
  box-shadow: 0 10px 24px -8px rgba(225,58,46,0.55);
}
.btn-primary:hover{ background: #C93123; box-shadow: 0 14px 28px -8px rgba(225,58,46,0.65); }

.btn-ghost{
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn-ghost:hover{ border-color: var(--ink); background: rgba(21,22,15,0.04); }

.btn-small{ padding: 10px 18px; font-size:13px; }

/* ============================================================
   Typography helpers
   ============================================================ */
.eyebrow{
  display:flex; align-items:center; gap:10px;
  font-family: var(--font-mono); font-size:12px; letter-spacing:.04em;
  color: var(--ink-soft);
  margin: 0 0 22px;
}
.eyebrow .idx{ color: var(--red); font-weight:500; }
.eyebrow .dot{ width:6px; height:6px; border-radius:50%; background: var(--red); }

.display-xl{
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(52px, 9vw, 128px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0 0 26px;
}
.display-lg{
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(38px, 5.4vw, 72px);
  line-height: 1.0;
  letter-spacing: -0.015em;
  margin: 0 0 22px;
}
.lede{
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 0 0 40px;
}
.body-lg{
  font-size: 16px; line-height:1.7;
  color: var(--ink-soft);
  max-width: 48ch;
  margin: 0 0 36px;
}

/* ============================================================
   Layout scaffolding
   ============================================================ */
.content{ position:relative; z-index:5; }

.section{
  position:relative;
  min-height: 100vh;
  display:flex;
  align-items:center;
  padding: calc(var(--nav-h) + 24px) 32px 64px;
}

.panel{
  max-width: 560px;
}
.panel-wide{ max-width: 720px; }

.panel-right{ justify-content:flex-end; }
.panel-right .panel{ margin-right: min(6vw, 90px); }

.panel-left{ justify-content:flex-start; }
.panel-left .panel{ margin-left: min(6vw, 90px); }

.panel-center{ justify-content:center; }
.panel-center .panel{ text-align:left; }

/* card treatment so text stays legible over the 3D world */
.panel{
  background: rgba(244,245,240,0.72);
  backdrop-filter: blur(18px) saturate(1.1);
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 20px;
  padding: 44px 44px 48px;
  box-shadow: 0 30px 60px -30px rgba(21,22,15,0.25);
}

.hero{
  padding-left: 32px;
  align-items:center;
}
.hero-grid{ max-width: 780px; }

.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.scroll-cue{
  position:absolute; left:32px; bottom:40px;
  display:flex; align-items:center; gap:12px;
  font-family: var(--font-mono); font-size:11px; color: var(--ink-faint);
  letter-spacing:.02em;
}
.scroll-cue-line{ width:36px; height:1px; background: var(--line-strong); position:relative; overflow:hidden; }
.scroll-cue-line i{ position:absolute; left:-40%; top:0; bottom:0; width:40%; background: var(--red); animation: scrollcue 1.8s ease-in-out infinite; }
@keyframes scrollcue{ 0%{ left:-40%; } 50%{ left:60%; } 100%{ left:140%; } }

/* stat row (network) */
.stat-row{ display:flex; gap: 34px; flex-wrap:wrap; padding-top: 6px; border-top:1px solid var(--line); }
.stat-row li{ display:flex; flex-direction:column; gap:4px; padding-top:18px; }
.stat-row .num{ font-family: var(--font-display); font-weight:700; font-size: 30px; }
.stat-row .label{ font-family: var(--font-mono); font-size:11px; color: var(--ink-soft); }

/* services */
.service-list{ display:flex; flex-direction:column; }
.service-card{
  display:grid; grid-template-columns: 40px 1fr;
  gap: 4px 18px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.service-list .service-card:last-child{ padding-bottom:0; }
.service-num{ font-family: var(--font-mono); font-size:12px; color: var(--red); padding-top:3px; }
.service-card h3{ margin:0 0 8px; font-family: var(--font-display); font-size:20px; font-weight:600; grid-column:2; }
.service-card p{ margin:0; grid-column:2; color: var(--ink-soft); font-size:14.5px; line-height:1.6; }

/* metrics */
.metric-grid{
  display:grid; grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.metric{ display:flex; flex-direction:column; gap:6px; }
.metric-num{ font-family: var(--font-display); font-weight:700; font-size: clamp(28px,3vw,40px); color: var(--red); }
.metric-label{ font-family: var(--font-mono); font-size:11px; color: var(--ink-soft); }

/* contact */
.contact-form{ display:flex; flex-direction:column; gap:16px; margin-bottom:36px; }
.field-row{ display:flex; gap:16px; }
.field-row label{ flex:1; }
.contact-form label{ display:flex; flex-direction:column; gap:8px; font-size:12px; font-family: var(--font-mono); color: var(--ink-soft); }
.contact-form input, .contact-form textarea{
  font-family: var(--font-body); font-size:14.5px; color: var(--ink);
  background: rgba(255,255,255,0.7);
  border:1px solid var(--line-strong);
  border-radius:10px;
  padding: 12px 14px;
  resize: vertical;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.contact-form input:focus, .contact-form textarea:focus{
  border-color: var(--red); background: var(--white); outline:none;
}
.form-note{ font-family: var(--font-mono); font-size:11.5px; color: var(--ink-faint); margin: -2px 0 0; }
.form-note.sent{ color: var(--red); }

.contact-meta{ display:flex; gap: 40px; border-top:1px solid var(--line); padding-top:26px; flex-wrap:wrap; }
.contact-meta .label{ display:block; font-family: var(--font-mono); font-size:11px; color: var(--red); margin-bottom:8px; }
.contact-meta p{ margin:0; font-size:14px; line-height:1.6; color: var(--ink-soft); }

/* footer */
.footer{
  position:relative; z-index:5;
  background: var(--ink);
  color: rgba(244,245,240,0.7);
  padding: 56px 32px 32px;
  display:flex; flex-wrap:wrap; align-items:flex-end; justify-content:space-between; gap:24px;
}
.footer-mark{ font-family: var(--font-display); font-weight:700; letter-spacing:.14em; color: var(--paper); font-size:16px; }
.footer p{ font-size:12.5px; margin:0; max-width:38ch; }
.footer-links{ display:flex; gap:22px; font-size:13px; }
.footer-links a{ color: rgba(244,245,240,0.7); transition: color .25s var(--ease); }
.footer-links a:hover{ color: var(--red); }

/* ============================================================
   Reveal-on-scroll
   ============================================================ */
[data-reveal]{
  opacity:0; transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
[data-reveal].in{ opacity:1; transform: translateY(0); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 980px){
  .nav-links{ display:none; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .panel{ max-width: 640px; padding: 34px 30px 38px; }
  .metric-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 720px){
  .section{ padding: calc(var(--nav-h) + 16px) 18px 48px; }
  .panel-right .panel, .panel-left .panel{ margin-left:0; margin-right:0; }
  .hero{ padding-left: 18px; }
  .display-xl{ font-size: clamp(42px, 12vw, 72px); }
  .field-row{ flex-direction:column; gap:16px; }
  .stat-row{ gap:22px; }
  .scroll-cue{ display:none; }
  .marker{ font-size:10px; padding:6px 10px 6px 8px; }
  .contact-meta{ gap:24px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}