/* =====================================================================
   PIPE BODEN ($PIPEBOD) — STYLES
   Theme: brass & copper "Investigation Works" — Victorian steampunk
   detective workshop, built entirely from the source character art.
   ===================================================================== */

:root{
  --ink:        #1a120d;
  --ink-2:      #241a13;
  --bronze-d:   #3a281b;
  --bronze:     #5b3e29;
  --bronze-lt:  #7a5738;
  --brass:      #c17a35;
  --brass-lt:   #e0993f;
  --brass-pale: #f0c987;
  --tan:        #e8d3ae;
  --cream:      #f6ecd9;
  --cream-2:    #efe0c2;
  --rust:       #96491f;

  --font-head: 'Playfair Display', Georgia, serif;
  --font-stamp:'Special Elite', 'Courier New', monospace;
  --font-body: 'Jost', 'Segoe UI', sans-serif;

  --container: 1140px;
  --header-h: 84px;

  --ease: cubic-bezier(.22,.85,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}
body{
  margin:0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }
.container{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}
::selection{ background: var(--brass); color: var(--cream); }

/* scrollbar (webkit) */
::-webkit-scrollbar{ width:11px; }
::-webkit-scrollbar-track{ background: var(--ink); }
::-webkit-scrollbar-thumb{ background: var(--brass); border:2px solid var(--ink); border-radius:6px; }

/* ===================== PRELOADER ===================== */
#preloader{
  position: fixed; inset:0; z-index: 9999;
  display:flex; align-items:center; justify-content:center;
  background: var(--ink);
  transition: opacity .7s var(--ease), visibility .7s var(--ease);
}
#preloader.loaded{ opacity:0; visibility:hidden; pointer-events:none; }
.preloader-bg{
  position:absolute; inset:0;
  background-size: cover; background-position: center;
  opacity:.35; filter: saturate(.7);
}
.preloader-inner{ position:relative; text-align:center; color: var(--cream); }
.gauge{ position:relative; width:200px; height:200px; margin:0 auto 22px; }
.gauge svg{ width:100%; height:100%; transform: rotate(-90deg); }
.gauge-track{ fill:none; stroke: rgba(224,153,63,.18); stroke-width:6; }
.gauge-fill{
  fill:none; stroke: var(--brass-lt); stroke-width:6; stroke-linecap:round;
  stroke-dasharray: 553; stroke-dashoffset: 553;
  transition: stroke-dashoffset .25s linear;
  filter: drop-shadow(0 0 6px rgba(224,153,63,.7));
}
.gauge-portrait{
  position:absolute; inset:18px; width:calc(100% - 36px); height:calc(100% - 36px);
  border-radius:50%; object-fit:cover; object-position: top center;
  background: var(--bronze-d);
}
.preloader-label{
  font-family: var(--font-stamp); letter-spacing:.12em; font-size:.72rem;
  text-transform:uppercase; color: var(--brass-pale); margin:0 0 6px;
}
.preloader-pct{ font-family: var(--font-head); font-size:1.6rem; margin:0; color: var(--cream); }

/* ===================== SHARED TEXTURE LAYERS ===================== */
.grain-overlay{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background-image: url('../img/grain.png'); background-size: 300px 300px;
  mix-blend-mode: overlay; opacity:.5;
}
.blueprint-overlay{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background-image: url('../img/blueprint-dark.png'); background-size: 240px 240px;
  opacity:.5;
}
.section-texture{
  position:absolute; inset:0; z-index:0; pointer-events:none;
  background-size: 240px 240px; opacity:.6;
}
.section-texture.dark{ opacity:.9; }
.section{ position:relative; overflow:hidden; padding: 108px 0; }
.section.lore, .section.roadmap{ background: var(--ink); color: var(--tan); }
.section.how-to-buy, .section.chart-section{ background: var(--cream); }

/* ===================== HEADER ===================== */
#siteHeader{
  position: fixed; top:0; left:0; right:0; z-index: 500;
  height: var(--header-h);
  display:flex; align-items:center;
  background: rgba(26,18,13,.42);
  backdrop-filter: blur(10px) saturate(1.1);
  -webkit-backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid rgba(224,153,63,.25);
  transition: height .35s var(--ease), background .35s var(--ease);
}
#siteHeader.scrolled{
  height: 64px;
  background: rgba(26,18,13,.86);
}
.header-inner{
  width:100%; max-width: var(--container); margin:0 auto; padding: 0 24px;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
}
.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{ width:40px; height:40px; border-radius:50%; transition: transform .35s var(--ease); }
#siteHeader.scrolled .brand-mark{ width:34px; height:34px; }
.brand-text{
  font-family: var(--font-head); font-weight:900; letter-spacing:.03em;
  font-size:1.05rem; color: var(--cream);
}
.main-nav{ display:flex; gap: 30px; }
.main-nav a{
  font-family: var(--font-stamp); font-size:.78rem; letter-spacing:.08em;
  text-transform:uppercase; color: var(--tan); position:relative; padding:4px 0;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:-2px; width:0; height:1px;
  background: var(--brass-lt); transition: width .3s var(--ease);
}
.main-nav a:hover::after{ width:100%; }
.header-actions{ display:flex; align-items:center; gap:10px; }

.valve-btn{
  width:40px; height:40px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: radial-gradient(circle at 32% 28%, var(--brass-lt), var(--brass) 55%, var(--bronze-d) 100%);
  border: 1px solid rgba(0,0,0,.35);
  box-shadow: 0 2px 0 rgba(0,0,0,.4), inset 0 1px 1px rgba(255,255,255,.35);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.valve-btn svg{ width:18px; height:18px; fill: var(--ink); }
.valve-btn:hover{ transform: translateY(-2px) rotate(-8deg); box-shadow: 0 5px 10px rgba(0,0,0,.35), inset 0 1px 1px rgba(255,255,255,.4); }
.valve-btn.small{ width:34px; height:34px; }
.valve-btn.small svg{ width:15px; height:15px; }

.hamburger{
  display:none; flex-direction:column; gap:5px; background:none; border:none; padding:6px;
}
.hamburger span{ width:22px; height:2px; background: var(--tan); display:block; transition: all .3s var(--ease); }

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding: 14px 26px; border-radius: 999px; border:1px solid transparent;
  font-family: var(--font-stamp); font-size:.82rem; letter-spacing:.06em; text-transform:uppercase;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease);
  white-space: nowrap;
}
.btn-icon{ width:17px; height:17px; fill:currentColor; flex:none; }
.btn-brass{
  background: linear-gradient(180deg, var(--brass-lt), var(--brass) 60%, #a3671f);
  color: var(--ink); box-shadow: 0 6px 18px rgba(150,73,31,.35), inset 0 1px 0 rgba(255,255,255,.4);
}
.btn-brass:hover{ transform: translateY(-3px); box-shadow: 0 10px 24px rgba(150,73,31,.5), inset 0 1px 0 rgba(255,255,255,.5); }
.btn-ghost{
  background: rgba(244,233,214,.06);
  border-color: rgba(224,153,63,.55);
  color: var(--cream);
}
.btn-ghost:hover{ background: rgba(224,153,63,.14); transform: translateY(-3px); }
.btn-outline{
  background: transparent; border-color: var(--bronze);
  color: var(--bronze-d); margin-top: 34px;
}
.btn-outline:hover{ background: var(--bronze-d); color: var(--cream); transform: translateY(-3px); }
.btn-lg{ padding: 16px 30px; font-size:.86rem; }
.ca-short{ font-family: var(--font-stamp); }

/* ===================== HERO ===================== */
.hero{
  position: relative; min-height: 100svh; display:flex; align-items:center; justify-content:center;
  text-align:center; overflow:hidden; padding: calc(var(--header-h) + 30px) 20px 70px;
  background: var(--ink);
}
.hero-bg{
  position:absolute; inset:-6% -6%; z-index:0;
  background-size: cover; background-position: center 30%;
  will-change: transform;
}
.hero-inner{ position:relative; z-index:2; max-width: 760px; margin:0 auto; }

.eyebrow{
  font-family: var(--font-stamp); letter-spacing:.16em; text-transform:uppercase;
  font-size:.72rem; color: var(--brass-pale); margin: 0 0 18px;
}
.hero-figure{
  position:relative; width: min(320px, 62vw); margin: 0 auto 6px;
  perspective: 900px;
}
.hero-img{
  width:100%; filter: drop-shadow(0 24px 34px rgba(0,0,0,.55));
  transform-style: preserve-3d; transition: transform .1s linear;
}
.hero-figure-glow{
  position:absolute; left:50%; bottom:-6%; width:120%; height:40%; transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(224,153,63,.45), transparent 70%);
  filter: blur(10px); z-index:-1;
}
.hero-title{
  font-family: var(--font-head); font-weight:900; letter-spacing:.01em;
  font-size: clamp(2.6rem, 8vw, 5rem); margin: 6px 0 0; color: var(--cream);
  text-shadow: 0 4px 26px rgba(0,0,0,.5);
}
.hero-ticker{
  font-family: var(--font-stamp); color: var(--brass-lt); font-size: clamp(1rem,2.6vw,1.3rem);
  letter-spacing:.1em; margin: 8px 0 4px;
}
.hero-tag{ color: var(--tan); font-size:1.05rem; margin: 0 0 30px; opacity:.9; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:16px; justify-content:center; }

.scroll-cue{
  position:absolute; left:50%; bottom:30px; transform: translateX(-50%);
  z-index:2; opacity:.85;
}
.scroll-cue-gear{ display:block; width:34px; height:34px; animation: spin 6s linear infinite; }
.scroll-cue-gear svg{ width:100%; height:100%; fill: var(--brass-lt); }
@keyframes spin{ to{ transform: rotate(360deg); } }

/* steam particles */
.steam-field{ position:absolute; inset:0; z-index:1; pointer-events:none; overflow:hidden; }
.steam-puff{
  position:absolute; bottom:-40px; width: 90px; height:90px; border-radius:50%;
  background: radial-gradient(circle, rgba(246,236,217,.30), rgba(246,236,217,0) 70%);
  filter: blur(4px);
  animation: rise linear infinite;
}
@keyframes rise{
  0%{ transform: translateY(0) scale(.6); opacity:0; }
  12%{ opacity:.8; }
  100%{ transform: translateY(-115vh) scale(1.5); opacity:0; }
}

/* ===================== MARQUEE ===================== */
.marquee-strip{
  background: linear-gradient(180deg, var(--rust), var(--bronze-d));
  border-top: 1px solid rgba(224,153,63,.4); border-bottom: 1px solid rgba(0,0,0,.5);
  overflow:hidden; white-space:nowrap; position:relative; z-index:3;
}
.marquee-track{ display:inline-flex; animation: marquee 26s linear infinite; }
.marquee-track span{
  font-family: var(--font-stamp); font-size:.78rem; letter-spacing:.1em;
  color: var(--brass-pale); padding: 12px 0; text-transform:uppercase;
}
@keyframes marquee{ from{ transform: translateX(0);} to{ transform: translateX(-50%);} }

/* ===================== SECTION HEADS ===================== */
.section-kicker{
  font-family: var(--font-stamp); letter-spacing:.14em; text-transform:uppercase;
  font-size:.76rem; color: var(--brass); text-align:center; margin:0 0 10px;
}
.section-kicker.light{ color: var(--brass-lt); }
.section-title{
  font-family: var(--font-head); font-weight:800; text-align:center;
  font-size: clamp(1.9rem, 4.4vw, 2.8rem); margin: 0 0 56px; color: var(--bronze-d);
}
.section-title.light{ color: var(--cream); }

/* ===================== HOW TO BUY ===================== */
.steps-grid{
  display:grid; grid-template-columns: repeat(4,1fr); gap:22px;
}
.step-card{
  background: var(--cream-2); border:1px solid rgba(91,62,41,.18);
  border-radius: 16px; padding: 30px 22px 26px; text-align:center; position:relative;
  box-shadow: 0 10px 24px rgba(58,40,27,.08);
  transform-style: preserve-3d; transition: box-shadow .3s var(--ease);
}
.step-card:hover{ box-shadow: 0 16px 30px rgba(58,40,27,.16); }
.step-num{
  position:absolute; top:14px; right:18px; font-family: var(--font-stamp);
  color: rgba(91,62,41,.3); font-size:1.3rem;
}
.step-icon{ width:44px; height:44px; fill: var(--brass); margin: 4px auto 16px; }
.step-card h3{ font-family: var(--font-head); margin: 0 0 8px; font-size:1.15rem; color: var(--bronze-d); }
.step-card p{ margin:0; font-size:.92rem; color: var(--bronze); }

/* ===================== LORE ===================== */
.log-grid{ display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.log-card{
  position:relative; background: var(--ink-2); border:1px solid rgba(224,153,63,.25);
  border-radius: 4px; padding: 18px 20px 24px; transform-style: preserve-3d;
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}
.log-card::before, .log-card::after{
  content:''; position:absolute; width:14px; height:14px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, var(--brass-lt), var(--bronze-d));
  box-shadow: 0 1px 2px rgba(0,0,0,.6);
}
.log-card::before{ top:10px; left:10px; }
.log-card::after{ top:10px; right:10px; }
.log-photo{
  border-radius:2px; overflow:hidden; margin-bottom:16px;
  border: 1px solid rgba(224,153,63,.3);
  filter: sepia(.15) contrast(1.05);
}
.log-photo img{ width:100%; height: 190px; object-fit:cover; object-position: top center; }
.log-stamp{
  display:inline-block; font-family: var(--font-stamp); font-size:.68rem; letter-spacing:.1em;
  color: var(--brass-lt); border:1px solid var(--brass-lt); padding:2px 8px; border-radius:3px;
  margin-bottom:10px; transform: rotate(-2deg);
}
.log-card h3{ font-family: var(--font-head); margin:0 0 8px; color: var(--brass-pale); font-size:1.2rem; }
.log-card p{ margin:0; font-size:.92rem; color: var(--tan); opacity:.9; }

/* ===================== CHART ===================== */
.gauge-frame{
  position:relative; max-width: 900px; margin: 0 auto 30px; padding: 16px;
  background: linear-gradient(180deg, var(--bronze-lt), var(--bronze-d));
  border-radius: 20px; box-shadow: 0 20px 40px rgba(58,40,27,.25), inset 0 0 0 2px rgba(0,0,0,.25);
}
.gauge-frame-rivet{
  position:absolute; width:12px; height:12px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, var(--brass-pale), var(--brass) 60%, var(--bronze-d));
  box-shadow: 0 1px 2px rgba(0,0,0,.5);
}
.gauge-frame-rivet.tl{ top:10px; left:10px; } .gauge-frame-rivet.tr{ top:10px; right:10px; }
.gauge-frame-rivet.bl{ bottom:10px; left:10px; } .gauge-frame-rivet.br{ bottom:10px; right:10px; }
.chart-embed{
  position:relative; width:100%; padding-top: 62%; border-radius: 10px; overflow:hidden;
  background: #0f0f10;
}
.chart-embed iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.chart-embed-empty{
  position:absolute; inset:0; display:none; flex-direction:column; align-items:center; justify-content:center;
  gap:14px; text-align:center; padding: 30px; color: var(--tan);
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
}
.chart-embed-empty svg{ width:40px; height:40px; fill: var(--brass); opacity:.8; }
.chart-embed-empty p{ margin:0; max-width:340px; font-size:.9rem; opacity:.75; }
.chart-embed-empty code{ font-family: var(--font-stamp); color: var(--brass-lt); }
.chart-section .btn-outline{ display:flex; width:max-content; margin-left:auto; margin-right:auto; }

/* ===================== ROADMAP ===================== */
.pipeline-wrap{ position:relative; padding-top: 10px; }
.pipeline-svg{ position:absolute; top: 66px; left:0; width:100%; height:auto; z-index:0; opacity:.9; }
.pipeline-svg path{
  fill:none; stroke: var(--brass); stroke-width:6; stroke-linecap:round;
  stroke-dasharray: 1400; stroke-dashoffset: 1400;
}
.pipeline-stages{
  position:relative; z-index:1; display:grid; grid-template-columns: repeat(3,1fr); gap: 26px;
}
.stage-card{
  background: var(--ink-2); border:1px solid rgba(224,153,63,.28); border-radius:14px;
  padding: 28px 22px; text-align:center; box-shadow: 0 14px 30px rgba(0,0,0,.35);
  transform-style: preserve-3d;
}
.stage-tag{
  display:inline-block; font-family: var(--font-stamp); font-size:.72rem; letter-spacing:.12em;
  color: var(--ink); background: var(--brass-lt); padding: 4px 12px; border-radius: 999px; margin-bottom:14px;
}
.stage-card h3{ font-family: var(--font-head); margin:0 0 10px; color: var(--brass-pale); font-size:1.25rem; }
.stage-card p{ margin:0; color: var(--tan); font-size:.92rem; opacity:.9; }

/* ===================== FINAL CTA ===================== */
.final-cta{ text-align:center; color: var(--cream); }
.final-cta .hero-bg{ inset:0; background-position: center 20%; }
.cta-scrim{
  position:absolute; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(ellipse at center 40%, rgba(26,18,13,.55), rgba(26,18,13,.72) 60%, rgba(26,18,13,.88) 100%);
}
.cta-grid{
  display:flex; flex-wrap:wrap; justify-content:center; gap: 30px; margin: 0 auto 50px;
}
.valve-wheel{
  display:flex; flex-direction:column; align-items:center; gap:10px; width:118px;
  background:none; border:none; color: var(--cream);
}
.valve-wheel-ring{
  width:78px; height:78px; border-radius:50%; position:relative;
  background: radial-gradient(circle at 32% 28%, var(--brass-lt), var(--brass) 55%, var(--bronze-d) 100%);
  border: 3px solid var(--bronze-d);
  box-shadow: 0 8px 18px rgba(0,0,0,.4), inset 0 2px 2px rgba(255,255,255,.35);
  transition: transform .4s var(--ease), box-shadow .3s var(--ease);
}
.valve-wheel-ring::before{
  content:''; position:absolute; inset:14px; border-radius:50%;
  border: 2px solid rgba(26,18,13,.5);
}
.valve-wheel-ring::after{
  content:''; position:absolute; top:50%; left:50%; width:70%; height:3px; background: rgba(26,18,13,.55);
  transform: translate(-50%,-50%); box-shadow: 0 0 0 100vmax transparent;
}
.valve-wheel:hover .valve-wheel-ring{ transform: rotate(50deg); box-shadow: 0 12px 26px rgba(0,0,0,.5), inset 0 2px 2px rgba(255,255,255,.4); }
.valve-wheel-label{ font-family: var(--font-stamp); font-size:.76rem; letter-spacing:.05em; text-transform:uppercase; }

.section-links{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px; font-family: var(--font-stamp); font-size:.82rem; color: var(--tan); }
.section-links a{ opacity:.85; } .section-links a:hover{ color: var(--brass-lt); opacity:1; }

/* ===================== FOOTER ===================== */
#siteFooter{
  background: var(--ink); color: var(--tan); padding: 40px 0 30px; position:relative; z-index:2;
  border-top: 4px solid var(--brass);
}
.footer-inner{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:16px; }
.footer-brand{ display:flex; align-items:center; gap:10px; font-family: var(--font-head); font-weight:700; color: var(--cream); }
.brand-mark.small{ width:30px; height:30px; }
.footer-socials{ display:flex; gap:12px; }
.footer-fine{ max-width:560px; font-size:.78rem; opacity:.65; margin:6px 0 0; }
.footer-copy{ font-size:.78rem; opacity:.5; margin:0; }

/* ===================== TOAST ===================== */
.toast{
  position: fixed; left:50%; bottom:30px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--brass-pale); border:1px solid var(--brass);
  font-family: var(--font-stamp); font-size:.8rem; letter-spacing:.05em;
  padding: 12px 22px; border-radius: 999px; z-index: 2000; opacity:0; pointer-events:none;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* ===================== SCROLL REVEAL BASE ===================== */
[data-reveal]{
  opacity:0; transform: translateY(38px);
}
[data-reveal].in{
  opacity:1; transform:none;
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px){
  .steps-grid{ grid-template-columns: repeat(2,1fr); }
  .log-grid{ grid-template-columns: 1fr; max-width:480px; margin:0 auto; }
  .pipeline-stages{ grid-template-columns: 1fr; max-width:480px; margin:0 auto; }
  .pipeline-svg{ display:none; }
}
@media (max-width: 760px){
  .main-nav{
    position: fixed; top: var(--header-h); left:0; right:0;
    flex-direction:column; gap:0; background: rgba(20,14,10,.97);
    max-height:0; overflow:hidden; transition: max-height .35s var(--ease);
    border-bottom: 1px solid rgba(224,153,63,.25);
  }
  .main-nav.open{ max-height: 300px; }
  .main-nav a{ padding: 16px 24px; border-top: 1px solid rgba(224,153,63,.1); }
  .hamburger{ display:flex; }
  .steps-grid{ grid-template-columns: 1fr; max-width: 420px; margin:0 auto; }
  .hero-actions{ flex-direction:column; align-items:stretch; }
  .cta-grid{ gap:20px; }
  .valve-wheel{ width:92px; }
  .valve-wheel-ring{ width:64px; height:64px; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}