/* ============ TOKENS ============ */
:root{
  --bg:#0a0a0a;
  --bg-2:#0f0f10;
  --surface:#141416;
  --line:#222226;
  --blue:#2f54d8;
  --blue-soft:rgba(47,84,216,.16);
  --cream:#d8d2c4;
  --white:#f3f3ef;
  --muted:#86868f;
  --display:'Space Grotesk',system-ui,sans-serif;
  --cond:'Anton',Impact,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --max:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--white);
  font-family:var(--body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--blue);color:#fff}
a{color:inherit;text-decoration:none}

/* tri-color helpers */
.w{color:var(--white)} .b{color:var(--blue)} .c{color:var(--cream)}

/* ============ NAV ============ */
#nav{
  position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px clamp(20px,5vw,56px);
  transition:background .3s,padding .3s,border-color .3s;
  border-bottom:1px solid transparent;mix-blend-mode:difference;
}
#nav.scrolled{
  mix-blend-mode:normal;background:rgba(10,10,10,.8);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  padding-top:14px;padding-bottom:14px;
}
.nav-logo{font-family:var(--display);font-weight:700;font-size:18px;letter-spacing:-.01em;color:#fff}
.nav-logo .dot{color:var(--blue)}
.nav-say{font-family:var(--mono);font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:7px 16px;transition:background .2s,color .2s}
#nav.scrolled .nav-say{border-color:var(--line)}
.nav-say:hover{background:var(--blue);border-color:var(--blue);color:#fff}

/* ============ HERO ============ */
#top{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;
  text-align:center;padding:120px clamp(20px,5vw,56px) 60px;position:relative;overflow:hidden;
}
.hero-stage{position:relative;display:grid;place-items:center;transform-origin:center center}
.hero-inner{position:relative;z-index:2;max-width:1000px}
/* B&W portrait behind the headline, fading into the black canvas (reference look) */
.hero-portrait{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  height:min(88vh,880px);width:auto;max-width:none;z-index:0;pointer-events:none;
  filter:grayscale(1) brightness(.62) contrast(1.04);
  -webkit-mask-image:radial-gradient(72% 72% at 50% 44%,#000 52%,transparent 100%);
  mask-image:radial-gradient(72% 72% at 50% 44%,#000 52%,transparent 100%);
}
/* soft dark scrim between the photo and the text for legibility */
.hero-stage::after{
  content:"";position:absolute;inset:-15% -25%;z-index:1;pointer-events:none;
  background:radial-gradient(48% 42% at 50% 50%,rgba(10,10,10,.66),transparent 72%);
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:13px;
  color:var(--cream);border:1px solid var(--line);border-radius:999px;padding:8px 16px;margin-bottom:34px;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--blue);
  box-shadow:0 0 0 4px var(--blue-soft);animation:pulse 2.4s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px transparent}}
.hero-title{
  font-family:var(--display);font-weight:700;
  font-size:clamp(40px,8.5vw,104px);line-height:.98;letter-spacing:-.03em;
}
.hero-title .hl{display:inline-block}
.hero-scroll{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  font-family:var(--mono);font-size:12px;color:var(--muted);text-transform:uppercase;
  letter-spacing:.14em;display:flex;gap:8px;align-items:center}
.hero-scroll span{animation:bob 1.8s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(5px)}}

/* ============ KINETIC INTRO ============ */
.kinetic{max-width:1180px;margin:0 auto;padding:clamp(90px,16vw,200px) clamp(20px,5vw,56px)}
.kin-line{
  font-family:var(--display);font-weight:700;color:var(--blue);
  font-size:clamp(28px,5.2vw,62px);line-height:1.15;letter-spacing:-.02em;
}
.kin-hand{filter:saturate(1.1)}
.kin-tag{
  display:inline-block;background:var(--cream);color:#0a0a0a;
  font-weight:700;padding:.05em .35em;border-radius:6px;margin:.04em .04em;
  transform:rotate(-2.2deg);
}
.kin-tag:nth-of-type(2n){transform:rotate(2deg)}
.kin-tag:nth-of-type(3n){transform:rotate(-1.2deg)}

/* ============ SECTION SHELL ============ */
.section{max-width:var(--max);margin:0 auto;padding:clamp(70px,11vw,150px) clamp(20px,5vw,56px)}
.big-title{font-family:var(--cond);line-height:.92;letter-spacing:.01em;margin-bottom:56px}
.big-title .bt-line{display:block;font-size:clamp(52px,13vw,150px);text-transform:uppercase}
.big-title.center{text-align:center}
.kicker{font-family:var(--mono);font-size:13px;color:var(--blue);letter-spacing:.02em}

/* ============ FEATURED ============ */
.feat-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,64px);align-items:end;margin-bottom:48px}
.feat-lede{font-size:clamp(16px,2vw,20px);color:var(--cream);max-width:520px}
.feat-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0;margin-bottom:60px}
.fstat{display:flex;flex-direction:column;gap:4px}
.fnum{font-family:var(--display);font-weight:700;font-size:clamp(24px,3.4vw,34px);color:var(--white)}
.flabel{font-size:13px;color:var(--muted)}

.stack-block{margin-bottom:64px}
.logo-strip{display:flex;flex-wrap:wrap;gap:clamp(18px,4vw,46px);justify-content:center;
  padding:26px 0;margin-bottom:30px;border-bottom:1px dashed var(--line)}
.logo-item{font-family:var(--display);font-weight:600;font-size:clamp(16px,2.4vw,22px);
  color:var(--muted);opacity:.7;transition:color .25s,opacity .25s}
.logo-strip:hover .logo-item{opacity:.4}
.logo-item:hover{color:var(--cream);opacity:1!important}

.pill-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}
.pill{
  font-family:var(--body);font-size:14px;font-weight:500;cursor:pointer;
  background:transparent;color:var(--muted);border:1px solid var(--line);
  border-radius:999px;padding:9px 18px;transition:all .2s;
}
.pill:hover{color:var(--white);border-color:#3a3a40}
.pill.active{background:var(--white);color:#0a0a0a;border-color:var(--white)}

.code-panel{display:none}
.code-panel.active{display:block;animation:fade .4s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.code-desc{text-align:center;max-width:680px;margin:0 auto 24px;color:var(--cream);font-size:16px}
.code-win{background:#0d0d0f;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.5)}
.code-bar{display:flex;gap:7px;padding:14px 16px;border-bottom:1px solid var(--line);background:#121214}
.code-bar i{width:11px;height:11px;border-radius:50%;background:#3a3a40}
.code-bar i:nth-child(1){background:#ff5f57}.code-bar i:nth-child(2){background:#febc2e}.code-bar i:nth-child(3){background:#28c840}
.code{font-family:var(--mono);font-size:13px;line-height:1.75;padding:22px;overflow-x:auto;color:#c9c9d0}
.c-kw{color:#c792ea}.c-ty{color:#82aaff}.c-fn{color:#7ee0c8}.c-cm{color:#5a5a64;font-style:italic}.c-str{color:#ffcb8b}

/* ============ CHALLENGES ============ */
.chal-list{display:flex;flex-direction:column}
.chal{display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,4vw,52px);
  align-items:start;padding:38px 0;border-top:1px solid var(--line)}
.chal:last-child{border-bottom:1px solid var(--line)}
.chal-num{font-family:var(--cond);font-size:clamp(40px,6vw,72px);color:var(--blue);line-height:.8}
.chal h3{font-family:var(--display);font-weight:600;font-size:clamp(20px,2.8vw,30px);
  letter-spacing:-.01em;margin-bottom:12px}
.chal p{color:var(--cream);max-width:680px;font-size:16px}

/* ============ TIMELINE (pinned horizontal) ============ */
#timeline{position:relative}
.tl-pin{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;
  background:var(--bg);z-index:1}
.tl-bg{position:absolute;top:50%;left:0;transform:translateY(-50%);
  font-family:var(--cond);font-size:clamp(60px,16vw,200px);color:#fff;opacity:.04;
  white-space:nowrap;text-transform:uppercase;pointer-events:none;padding-left:5vw}
.tl-track{display:flex;align-items:center;gap:clamp(40px,9vw,140px);
  padding:0 12vw;position:relative;will-change:transform}
.tl-axis{position:absolute;top:50%;left:0;right:0;height:1px;background:var(--line)}
.tl-stop{position:relative;flex:0 0 auto;width:min(78vw,420px);display:flex;flex-direction:column;align-items:flex-start}
.tl-year{font-family:var(--cond);font-size:clamp(30px,4vw,48px);color:var(--blue);margin-bottom:24px}
.tl-node{width:14px;height:14px;border-radius:50%;background:var(--bg);
  border:2px solid var(--cream);margin-bottom:24px;position:relative;z-index:2}
.tl-node.now{background:var(--blue);border-color:var(--blue);box-shadow:0 0 0 6px var(--blue-soft)}
.tl-card h3{font-family:var(--display);font-weight:600;font-size:22px;margin-bottom:10px;letter-spacing:-.01em}
.tl-card p{color:var(--cream);font-size:15px}
.tl-card b{color:var(--white)}

/* ============ WORDS / QUOTES ============ */
.quote-list{display:flex;flex-direction:column;gap:clamp(48px,8vw,90px)}
.quote{position:relative;max-width:880px}
.q-mark{font-family:var(--display);font-size:80px;color:var(--blue);line-height:.6;display:block;margin-bottom:6px}
.quote p{font-family:var(--display);font-weight:600;letter-spacing:-.015em;
  font-size:clamp(24px,4vw,46px);line-height:1.18;color:var(--cream)}
.quote footer{display:flex;flex-direction:column;margin-top:24px}
.q-name{font-weight:600;color:var(--white)}
.q-role{font-family:var(--mono);font-size:13px;color:var(--muted)}
.words-note{text-align:center;margin-top:60px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}

/* ============ CONTACT ============ */
#contact{background:var(--blue);color:#fff;padding:clamp(80px,16vw,200px) clamp(20px,5vw,56px);overflow:hidden}
.contact-inner{max-width:var(--max);margin:0 auto}
.contact-eyebrow{font-family:var(--mono);font-size:14px;color:rgba(255,255,255,.7);margin-bottom:28px}
.contact-title{font-family:var(--cond);font-size:clamp(54px,13vw,160px);line-height:.92;
  text-transform:uppercase;letter-spacing:.005em}
.contact-links{display:flex;flex-wrap:wrap;gap:16px 48px;margin:48px 0 64px}
.c-link{font-family:var(--display);font-weight:600;font-size:clamp(18px,3vw,30px);
  display:inline-flex;align-items:center;gap:10px;border-bottom:2px solid rgba(255,255,255,.35);
  padding-bottom:4px;transition:border-color .2s}
.c-link span{font-size:.8em}
.c-link:hover{border-color:#fff}
.contact-foot{font-family:var(--mono);font-size:12.5px;color:rgba(255,255,255,.65)}

/* ============ MOTION HELPERS ============ */
.reveal{opacity:0;transform:translateY(40px)}
.gsap-active .reveal{opacity:0}
.split-line{display:inline-block}
@media (prefers-reduced-motion:reduce){
  .reveal,.kin-tag,.split-line{opacity:1!important;transform:none!important}
  .status-dot,.hero-scroll span{animation:none}
}

/* ============ RESPONSIVE ============ */
@media(max-width:820px){
  .feat-head,.feat-stats{grid-template-columns:1fr 1fr}
  .feat-stats{gap:24px 18px}
  .chal{grid-template-columns:1fr;gap:10px}
  .chal-num{font-size:44px}
}
@media(max-width:520px){
  .feat-head{grid-template-columns:1fr}
  .feat-stats{grid-template-columns:1fr 1fr}
  .logo-strip{gap:16px}
}