:root{
  --sky:        #5B93E8;
  --dusk:       #9C93AE;
  --coral:      #E5977D;
  --cream:      #FAF7F2;
  --ink:        #1B2130;
  --ink-soft:   #454E63;
  --line:       rgba(27,33,48,0.12);
  --gradient: linear-gradient(100deg, var(--sky) 0%, var(--dusk) 52%, var(--coral) 100%);
}

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

html{ scroll-behavior:smooth; }

body{
  font-family:'Open Sans', sans-serif;
  font-weight:300;
  background:var(--cream);
  color:var(--ink);
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }

.eyebrow{
  font-size:0.72rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  font-weight:600;
  opacity:0.65;
}

/* ---------- NAV ---------- */
nav{
  position:fixed;
  top:0; left:0; right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.6rem clamp(1.5rem, 5vw, 3.5rem);
  mix-blend-mode:difference;
  color:#fff;
}
nav .logo{
  display:flex;
  align-items:center;
}
.nav-logo-img{
  height:20px;
  width:auto;
  display:block;
}
nav ul{
  display:flex;
  gap:2.4rem;
  list-style:none;
  font-size:0.82rem;
  letter-spacing:0.08em;
}
nav ul li a{ opacity:0.85; transition:opacity .25s ease; }
nav ul li a:hover, nav ul li a.active{ opacity:1; }
nav.menu-open{ mix-blend-mode:normal; }

.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:28px;
  height:28px;
  background:none;
  border:none;
  padding:0;
  cursor:pointer;
  position:relative;
  z-index:110;
}
.menu-toggle span{
  width:100%;
  height:2px;
  background:#fff;
  transition:transform .3s ease, opacity .3s ease;
}
.menu-toggle.active span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2){ opacity:0; }
.menu-toggle.active span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

.mobile-menu{
  position:fixed;
  inset:0;
  z-index:90;
  background:var(--ink);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2.2rem;
  opacity:0;
  pointer-events:none;
  transform:translateY(-10px);
  transition:opacity .35s ease, transform .35s ease;
}
.mobile-menu.open{ opacity:1; pointer-events:auto; transform:translateY(0); }
.mobile-menu a{
  color:#fff;
  font-size:1.5rem;
  font-weight:300;
  letter-spacing:0.06em;
}
.mobile-menu .eyebrow{ color:var(--coral); opacity:1; }

@media (max-width:640px){
  nav ul{ display:none; }
  .menu-toggle{ display:flex; }
}

/* ---------- HERO SHARED ---------- */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  text-align:center;
  overflow:hidden;
  padding:0 1.5rem;
}

.hero h1{
  position:relative;
  z-index:2;
  font-weight:300;
  color:#fff;
  font-size:clamp(2.6rem, 7vw, 5rem);
  letter-spacing:0.06em;
  line-height:1;
}
.hero h1 span{
  display:block;
  font-size:0.32em;
  letter-spacing:0.5em;
  font-weight:600;
  margin-bottom:1rem;
  opacity:0.92;
}

.hero p{
  position:relative;
  z-index:2;
  color:rgba(255,255,255,0.92);
  max-width:34rem;
  margin:1.6rem auto 0;
  font-size:1.02rem;
  line-height:1.7;
  font-weight:300;
}

.scroll-cue{
  position:absolute;
  bottom:2.6rem;
  left:50%;
  transform:translateX(-50%);
  z-index:2;
  color:#fff;
  font-size:0.68rem;
  letter-spacing:0.3em;
  text-transform:uppercase;
  opacity:0.75;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:0.6rem;
}
.scroll-cue::after{
  content:"";
  width:1px;
  height:34px;
  background:rgba(255,255,255,0.6);
  animation:pulse 2s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity:0.3; } 50%{ opacity:1; } }
@keyframes fadeIn{ to{ opacity:1; } }

/* ---------- SECTION SHARED ---------- */
section{
  position:relative;
  padding:clamp(5rem,10vw,8rem) clamp(1.5rem,6vw,6rem);
}
.section-inner{ max-width:1120px; margin:0 auto; }

/* ---------- ABOUT (Studio page) ---------- */
.about{ background:var(--cream); }
.about-grid{
  display:grid;
  grid-template-columns:0.9fr 1.4fr;
  gap:clamp(2.5rem,6vw,6rem);
  align-items:start;
}
@media (max-width:800px){ .about-grid{ grid-template-columns:1fr; } }

.about h2{
  font-weight:300;
  font-size:clamp(2rem,3.6vw,2.8rem);
  letter-spacing:0.02em;
  line-height:1.15;
  color:var(--ink);
}
.about-copy p{
  font-size:1.02rem;
  line-height:1.85;
  color:var(--ink-soft);
  margin-bottom:1.4rem;
  font-weight:300;
}
.about-copy p:last-child{ margin-bottom:0; }

.stat-rail{
  display:flex;
  gap:clamp(2rem,4vw,3.5rem);
  margin-top:3rem;
  flex-wrap:wrap;
}
.stat-rail div{ border-top:1px solid var(--line); padding-top:0.9rem; min-width:120px; }
.stat-rail .num{
  font-size:1.6rem;
  font-weight:600;
  color:var(--ink);
}
.stat-rail .lbl{
  font-size:0.72rem;
  letter-spacing:0.15em;
  text-transform:uppercase;
  color:var(--ink-soft);
  margin-top:0.3rem;
  display:block;
}

/* logo mark used on the studio page hero */
.logo-plate{
  width:min(80vw, 460px);
  margin-bottom:2.4rem;
  position:relative;
  z-index:2;
}
.logo-plate img{ width:100%; display:block; }

.hero-eyebrow{
  position:relative;
  z-index:2;
  color:rgba(255,255,255,0.7);
  font-size:0.72rem;
  letter-spacing:0.32em;
  text-transform:uppercase;
  font-weight:600;
  margin-bottom:1.2rem;
}

.visually-hidden{
  position:absolute;
  width:1px; height:1px;
  padding:0; margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}

/* card linking to the other page */
.crosslink{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  flex-wrap:wrap;
  margin-top:5rem;
  padding-top:2.5rem;
  border-top:1px solid var(--line);
}
.crosslink .txt .eyebrow{ color:var(--ink-soft); }
.crosslink h3{
  font-weight:300;
  font-size:1.6rem;
  margin-top:0.6rem;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:0.6rem;
  font-size:0.78rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  padding:0.9rem 1.6rem;
  border:1px solid var(--ink);
  border-radius:100px;
  transition:background .25s ease, color .25s ease;
  white-space:nowrap;
}
.btn:hover{ background:var(--ink); color:#fff; }
.btn.light{ border-color:rgba(255,255,255,0.6); color:#fff; }
.btn.light:hover{ background:#fff; color:var(--ink); }

/* ---------- PROJECT (Tailwind page) ---------- */
.project{
  background:var(--ink);
  color:#EDEEF3;
}
.project .eyebrow{ color:var(--coral); opacity:1; }

.project-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:1.5rem;
  margin-bottom:3.5rem;
  border-bottom:1px solid rgba(255,255,255,0.14);
  padding-bottom:2.2rem;
}
.project-head h2{
  font-weight:300;
  font-size:clamp(2.6rem,6vw,4.4rem);
  letter-spacing:0.03em;
}
.project-head .status{
  font-size:0.78rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:rgba(237,238,243,0.6);
  text-align:right;
  line-height:1.6;
}
.status .dot{
  display:inline-block;
  width:6px; height:6px;
  border-radius:50%;
  background:var(--coral);
  margin-right:0.5rem;
  animation:pulse 2s ease-in-out infinite;
}

.project-lede{
  font-size:1.15rem;
  line-height:1.85;
  color:rgba(237,238,243,0.82);
  max-width:42rem;
  font-weight:300;
  margin-bottom:4rem;
}

.system-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:rgba(255,255,255,0.14);
  border:1px solid rgba(255,255,255,0.14);
}
@media (max-width:760px){ .system-grid{ grid-template-columns:1fr; } }

.system-card{
  background:var(--ink);
  padding:2.4rem 2rem;
  position:relative;
  transition:background .3s ease;
}
.system-card:hover{ background:#232B3E; }
.system-card .tag{
  font-size:0.68rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--coral);
  margin-bottom:1rem;
  display:block;
}
.system-card h3{
  font-weight:400;
  font-size:1.25rem;
  margin-bottom:0.9rem;
  letter-spacing:0.01em;
}
.system-card p{
  font-size:0.92rem;
  line-height:1.75;
  color:rgba(237,238,243,0.65);
  font-weight:300;
}
.system-card .code{
  margin-top:1.4rem;
  font-family:ui-monospace, 'SF Mono', monospace;
  font-size:0.72rem;
  color:rgba(237,238,243,0.4);
  letter-spacing:0.02em;
}

/* map strip */
.map-strip{
  margin-top:4rem;
  border:1px solid rgba(255,255,255,0.14);
  padding:clamp(2rem,4vw,3rem);
  position:relative;
  overflow:hidden;
}
.map-strip svg{ width:100%; height:auto; display:block; }
.map-caption{
  display:flex;
  justify-content:space-between;
  margin-top:1.4rem;
  font-size:0.72rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:rgba(237,238,243,0.45);
  flex-wrap:wrap;
  gap:0.6rem;
}

/* ---------- CONTACT ---------- */
.contact{
  background:var(--cream);
  text-align:center;
}
.contact h2{
  font-weight:300;
  font-size:clamp(2rem,4.5vw,3.2rem);
  letter-spacing:0.02em;
  max-width:30rem;
  margin:0 auto 2rem;
  line-height:1.3;
}
.contact-links{
  display:flex;
  justify-content:center;
  gap:2.2rem;
  flex-wrap:wrap;
  margin-top:2.4rem;
}
.contact-links a{
  font-size:0.85rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  padding-bottom:0.4rem;
  border-bottom:1px solid var(--line);
  transition:border-color .25s ease, color .25s ease;
}
.contact-links a:hover{ border-color:var(--coral); color:var(--coral); }

footer{
  padding:2.4rem clamp(1.5rem,6vw,6rem);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:1rem;
  font-size:0.72rem;
  letter-spacing:0.08em;
  color:var(--ink-soft);
  border-top:1px solid var(--line);
}

/* ---------- ROADMAP ---------- */
.roadmap{
  margin-top:4.5rem;
}
.roadmap-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:clamp(1.5rem,4vw,3rem);
  padding:2rem 0;
  border-top:1px solid rgba(255,255,255,0.14);
}
.roadmap-item:last-child{ border-bottom:1px solid rgba(255,255,255,0.14); }
.roadmap-item .phase{
  font-size:0.72rem;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:rgba(237,238,243,0.45);
}
.roadmap-item.current .phase{ color:var(--coral); }
.roadmap-item h4{
  font-weight:400;
  font-size:1.15rem;
  margin-bottom:0.6rem;
  display:flex;
  align-items:center;
  gap:0.7rem;
}
.roadmap-item .pill{
  font-size:0.62rem;
  letter-spacing:0.1em;
  text-transform:uppercase;
  background:var(--coral);
  color:var(--ink);
  padding:0.2rem 0.6rem;
  border-radius:100px;
  font-weight:600;
}
.roadmap-item p{
  font-size:0.92rem;
  line-height:1.75;
  color:rgba(237,238,243,0.6);
  font-weight:300;
  max-width:38rem;
}
@media (max-width:600px){
  .roadmap-item{ grid-template-columns:1fr; gap:0.5rem; }
}

/* ---------- TAILWIND LOGO BADGE ---------- */
.tw-badge{
  width:76px;
  height:76px;
  border-radius:20px;
  background:var(--gradient);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  box-shadow:0 20px 40px -16px rgba(0,0,0,0.45);
}
.tw-badge img{ width:56%; display:block; }
.tw-badge.small{
  width:46px;
  height:46px;
  border-radius:13px;
  box-shadow:none;
}

.project-head h2{ display:flex; align-items:center; gap:1.1rem; }
.reveal{
  opacity:0;
  transform:translateY(18px);
  transition:opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity:1; transform:translateY(0); }

/* ---------- ACCESSIBILITY ---------- */
a:focus-visible,
button:focus-visible{
  outline:2px solid var(--coral);
  outline-offset:3px;
  border-radius:2px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important; scroll-behavior:auto !important; }
  .reveal{ opacity:1; transform:none; }
}