/* ========================================================
   DENVER DRY ICE BLASTERS — Industrial cold design system
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Big+Shoulders+Display:wght@500;700;900&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root{
  --abyss:        #07101B;
  --abyss-rule:   #122030;
  --surface:      #162536;
  --frame:        #203247;
  --dim-slate:    #2E4760;
  --slate:        #4878A6;
  --deep-freeze:  #0096B3;
  --cyan:         #00D4FF;
  --glacial:      #F0F4F8;
  --muted:        #D0DCE8;
  --meta:         #8499B0;
  --black:        #000000;

  --display: "Big Shoulders Display", Impact, Helvetica, sans-serif;
  --body: "Inter", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "Courier New", Courier, monospace;
}

*,*::before,*::after{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
html{ background: var(--abyss); }
body{
  background: var(--abyss);
  color: var(--glacial);
  font-family: var(--body);
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
button{ font-family: inherit; cursor: pointer; }

::selection{ background: var(--cyan); color: var(--abyss); }

/* ---------- Type ---------- */
.display{
  font-family: var(--display);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
}
.hero-wordmark{
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(64px, 12vw, 180px);
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
  margin: 0;
}
.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.kicker-thin{
  font-family: var(--body);
  font-size: clamp(14px, 1.2vw, 19px);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.timestamp{
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--meta);
}

/* ---------- Layout ---------- */
.wrap{
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 48px;
}
@media (max-width: 760px){ .wrap{ padding: 0 24px; } }

section{ position: relative; }

/* ---------- Nav (centered pill, frosted on scroll) ---------- */
.nav-shell{
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding-top: 12px;
  pointer-events: none;
}
.nav{
  pointer-events: auto;
  margin: 0 auto;
  max-width: 1300px;
  width: calc(100% - 24px);
  border-radius: 28px;
  padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: transparent;
  border: 1px solid transparent;
  transition: background 300ms ease, border-color 300ms ease, padding 300ms ease, backdrop-filter 300ms ease;
}
.nav.scrolled{
  background: rgba(7,16,27,0.55);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-color: var(--abyss-rule);
  padding: 10px 22px;
}
@media (max-width: 760px){
  .nav, .nav.scrolled{ padding: 10px 18px; }
}
.nav-left{
  display:flex; align-items:center; gap: 36px;
  flex: 1;
}
.nav-toggle{
  display: none;
  background: transparent; border: none; color: var(--glacial);
  width: 36px; height: 36px;
  align-items:center; justify-content:center;
  cursor: pointer;
}
.nav-toggle svg{ width: 22px; height: 22px; }
@media (max-width: 860px){
  .nav-toggle{ display: inline-flex; }
  .nav-left{ width: 100%; justify-content: space-between; }
}

.nav-brand{
  display:flex; align-items:center; gap: 12px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.nav-brand img{ height: 40px; width: auto; }
.nav-brand .nb-sub{
  display:block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  font-weight: 600;
  margin-top: -2px;
}
.nav-links{
  display:flex; gap: 28px; align-items: center;
  list-style: none; margin:0; padding:0;
}
.nav-links a{
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  transition: color 180ms ease;
}
.nav-links a:hover{ color: var(--cyan); }
.nav-links a.active{ color: var(--glacial); box-shadow: inset 0 -1px 0 0 var(--cyan); }
.nav-cta{
  background: var(--cyan); color: var(--abyss);
  border: none;
  padding: 10px 22px;
  border-radius: 24px;
  font-family: var(--mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
  white-space: nowrap;
}
.nav-cta:hover{ background: var(--glacial); }

/* Mobile drawer */
.nav-mobile{
  display: none;
  position: absolute; top: calc(100% + 8px); left: 0; right: 0;
  background: rgba(7,16,27,0.92);
  backdrop-filter: blur(24px);
  border: 1px solid var(--abyss-rule);
  border-radius: 24px;
  padding: 24px;
}
.nav-mobile ul{
  list-style:none; padding:0; margin: 0 0 20px;
  display:flex; flex-direction: column; gap: 18px;
}
.nav-mobile a{
  font-family: var(--mono); font-size: 14px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--glacial);
}
.nav.open .nav-mobile{ display: block; }
@media (min-width: 861px){ .nav-mobile{ display: none !important; } }
@media (max-width: 860px){ .nav-links{ display: none; } .nav > .nav-cta{ display: none; } }

/* ---------- Buttons ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 12px;
  border: none;
  padding: 16px 30px;
  border-radius: 30px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: background 200ms ease, color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
  position: relative;
  overflow: hidden;
}
.btn .arrow{ transition: transform 200ms ease; }
.btn:hover .arrow{ transform: translateX(4px); }

.btn-primary{ background: var(--cyan); color: var(--abyss); }
.btn-primary:hover{ background: var(--glacial); box-shadow: 0 0 0 1px rgba(0,212,255,0.4), 0 18px 40px -16px rgba(0,212,255,0.7); }

.btn-outline{
  background: transparent; color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 15px 29px;
}
.btn-outline:hover{ background: var(--cyan); color: var(--abyss); }

.btn-ghost{
  background: var(--surface); color: var(--glacial);
}
.btn-ghost:hover{ background: var(--dim-slate); }

/* ---------- Pill tags ---------- */
.tag{
  display:inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.tag-cyan{ background: var(--cyan); color: var(--abyss); }
.tag-slate{ background: var(--slate); color: var(--glacial); }
.tag-outline{ border: 1px solid var(--slate); color: var(--meta); }

/* ---------- Tile cards ---------- */
.tile{
  border-radius: 24px;
  border: 1px solid var(--abyss-rule);
  background: var(--abyss);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: border-color 200ms ease;
}
.tile:hover{ border-color: var(--slate); }
.tile-cyan{ background: var(--cyan); color: var(--abyss); border-color: var(--cyan); }
.tile-cyan:hover{ border-color: var(--cyan); }
.tile-glacial{ background: var(--glacial); color: var(--abyss); border-color: var(--glacial); }
.tile-slate{ background: var(--surface); color: var(--glacial); }

/* ---------- Footer ---------- */
.footer{
  border-top: 1px solid var(--abyss-rule);
  padding: 80px 0 40px;
  margin-top: 80px;
}
.footer-grid{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 60px;
}
@media (max-width: 760px){ .footer-grid{ grid-template-columns: 1fr; gap: 32px; } }
.footer h4{
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
}
.footer ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap: 10px; }
.footer ul a{ color: var(--muted); font-size: 14px; transition: color 180ms ease; }
.footer ul a:hover{ color: var(--cyan); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top: 32px;
  border-top: 1px solid var(--abyss-rule);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--meta);
}

/* ---------- Marquee ---------- */
.marquee{
  display:flex;
  overflow:hidden;
  white-space:nowrap;
  border-top: 1px solid var(--abyss-rule);
  border-bottom: 1px solid var(--abyss-rule);
  padding: 28px 0;
  background: var(--abyss);
}
.marquee-track{
  display:inline-flex;
  gap: 60px;
  padding-right: 60px;
  align-items: center;
  font-family: var(--display);
  font-weight: 900;
  text-transform: uppercase;
  font-size: clamp(40px, 6vw, 84px);
  line-height: 1;
  color: var(--glacial);
}
.marquee-track .dot{
  width: 14px; height: 14px; border-radius: 50%; background: var(--cyan);
  display:inline-block;
  flex-shrink: 0;
}
.marquee-track .ghost{
  -webkit-text-stroke: 1px var(--slate);
  color: transparent;
}

/* ---------- Cursor / frost trail ---------- */
.cursor-dot{
  position: fixed; top:0; left:0;
  width: 8px; height: 8px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 999;
  transform: translate(-50%,-50%);
  mix-blend-mode: difference;
}
.cursor-ring{
  position: fixed; top:0; left:0;
  width: 44px; height: 44px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 998;
  transform: translate(-50%,-50%);
  transition: width 200ms ease, height 200ms ease, border-color 200ms ease;
}
.cursor-ring.hover{
  width: 72px; height: 72px;
  border-color: var(--glacial);
}
@media (hover: none), (max-width: 760px){
  .cursor-dot, .cursor-ring{ display:none; }
}

/* ---------- Snow / particles backdrop ---------- */
.particles{
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.particle{
  position: absolute;
  background: var(--glacial);
  border-radius: 50%;
  opacity: 0.5;
  filter: blur(0.5px);
}

/* ---------- Reveal helpers ---------- */
.reveal{ visibility: hidden; }
.split-line{ overflow: hidden; display: block; }
.split-char{ display: inline-block; will-change: transform; }

/* ---------- Section heading block ---------- */
.section-head{
  display:flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--abyss-rule);
}
.section-head h2{
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(48px, 7vw, 90px);
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
  margin: 0;
}
.section-head p{
  color: var(--meta);
  max-width: 360px;
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
}
@media (max-width: 760px){
  .section-head{ flex-direction:column; align-items:flex-start; }
  .section-head p{ max-width: none; }
}

/* ---------- Stat ---------- */
.stat{
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(48px, 7vw, 96px);
  line-height: 1.1;
  letter-spacing: 0;
  color: var(--cyan);
}

/* ---------- Page intro spacing ---------- */
main{ padding-top: 90px; }