:root{
  /* Official Arc Chain Color Palette */
  --arc-night: #030a16;        /* Top dark midnight blue */
  --arc-deep: #091f35;         /* Mid-tone deep navy */
  --arc-steel: #103556;        /* Arc steel blue */
  --arc-teal: #286280;         /* Slate teal gradient blend */
  --arc-horizon: #dfbe8a;      /* Warm horizon sand/gold glow */
  --arc-sand: #eedab3;         /* Soft cream horizon highlight */
  --arc-silver: #e6f1f8;       /* Metallic silver white */
  --ink: #040910;              /* Almost black text/borders */
  --yolk: #eedab3;             /* Primary accent (Horizon Sand) */
  --yolk-bright: #f5cf79;      /* Golden hover state */
  --sky: #4ba3cb;              /* Tech accent cyan/blue */
  --line: rgba(230, 241, 248, 0.15); /* Silver card border lines */
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; overflow-x:hidden; width:100%; }
body{
  max-width:100vw;
  /* Recreating Arc Banner's exact multi-stage gradient */
  background: linear-gradient(
    180deg, 
    var(--arc-night) 0%, 
    var(--arc-deep) 30%, 
    var(--arc-steel) 60%, 
    var(--arc-teal) 85%, 
    var(--arc-horizon) 100%
  );
  background-attachment: fixed;
  color: var(--arc-silver);
  font-family:'Space Grotesk', sans-serif;
  overflow-x:hidden;
}

h1,h2,h3, .display{
  font-family:'Bricolage Grotesque', sans-serif;
  font-weight:700;
  font-variation-settings: 'wght' 700, 'opsz' 60;
  letter-spacing:-0.01em;
}
.mono{ font-family:'Space Mono', monospace; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; border:none; }
img,svg{ display:block; max-width:100%; }

/* Background tech streaks & subtle particle texture */
body::before{
  content:'';
  position:fixed; inset:0;
  background-image: 
    radial-gradient(rgba(230, 241, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 241, 248, 0.02) 1px, transparent 1px);
  background-size: 28px 28px, 120px 100%;
  pointer-events:none;
  z-index:0;
}

.wrap{ max-width:1180px; margin:0 auto; padding:0 28px; position:relative; z-index:1; }

/* Arc Silver Metallic Sheen Text Effect */
.arc-sheen {
  background: linear-gradient(180deg, #FFFFFF 0%, #B2CDE0 60%, #7AA1BD 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.4));
}

/* ---------- BRAND BADGE ---------- */
.quack-badge {
  background: var(--yolk);
  color: var(--ink);
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 10px;
  border-radius: 6px;
  border: 2px solid var(--ink);
  box-shadow: 2px 2px 0 var(--ink);
  letter-spacing: 0.02em;
}

/* ---------- NAV ---------- */
nav{
  position:sticky; top:0; z-index:50;
  background: rgba(3, 10, 22, 0.88);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 28px;
  max-width:1180px; margin:0 auto;
}
.brand{ display:flex; align-items:center; gap:12px; }
.brand span{ font-size:1.35rem; letter-spacing:0.01em; font-weight:700; font-family:'Bricolage Grotesque', sans-serif; }
.brand .quack{ color: var(--yolk); }
.brand-logo{
  width: 40px;
  height: auto;
  display: block;
  filter: drop-shadow(2px 2px 0 var(--ink));
}
.brand-logo-sm{ width: 34px; }
.nav-links{ display:flex; align-items:center; gap:32px; }
.nav-links a{
  font-size:0.95rem; font-weight:500; opacity:0.85;
  transition: opacity .15s, color .15s;
}
.nav-links a:hover{ opacity:1; color:var(--yolk); }
.nav-cta{
  background: var(--yolk);
  color: var(--ink);
  font-weight:800;
  font-family:'Bricolage Grotesque', sans-serif;
  padding:10px 22px;
  border-radius:999px;
  border:2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform .12s, box-shadow .12s, background .15s;
  font-size:0.95rem;
}
.nav-cta:hover{ transform: translate(-2px,-2px); box-shadow: 5px 5px 0 var(--ink); background: var(--yolk-bright); }

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding: 72px 0 48px;
  display:flex;
  justify-content:center;
  align-items:center;
  text-align:center;
  min-height: 50vh;
  overflow:hidden;
}

.quack-bg-particle {
  position: absolute;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  color: rgba(230, 241, 248, 0.03);
  font-size: clamp(3rem, 10vw, 8rem);
  user-select: none;
  pointer-events: none;
  z-index: 0;
}
.p1 { top: 10%; left: -2%; transform: rotate(-12deg); }
.p2 { bottom: 15%; right: -2%; transform: rotate(8deg); }
.p3 { top: 50%; right: 15%; transform: rotate(-5deg); font-size: 4rem; }

.hero-center {
  max-width: 820px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 2;
}

.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Space Mono', monospace;
  font-size:0.8rem; letter-spacing:0.14em; text-transform:uppercase;
  color: var(--arc-sand);
  background: rgba(238, 218, 179, 0.08);
  border:1px solid rgba(238, 218, 179, 0.3);
  padding:6px 16px; border-radius:999px;
  margin-bottom:28px;
}

.hero-title{
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.96;
  color: var(--arc-silver);
  text-transform: uppercase;
}
.hero-title .accent{ 
  color: var(--yolk); 
  -webkit-text-stroke: 2px var(--ink); 
  text-shadow: 4px 4px 0px var(--ink);
}

.hero p.sub{
  margin-top:28px;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  max-width: 620px;
  color: rgba(230, 241, 248, 0.85);
  line-height:1.6;
}

.hero-ctas{ display:flex; gap:16px; margin-top:44px; justify-content:center; flex-wrap:wrap; }

.btn-primary{
  background: var(--yolk); color: var(--ink);
  font-family:'Bricolage Grotesque', sans-serif; font-weight:800; font-size:1.1rem;
  padding:16px 36px; border-radius:999px;
  border:2.5px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .12s, box-shadow .12s, background .15s;
}
.btn-primary:hover{ transform: translate(-3px,-3px); box-shadow: 7px 7px 0 var(--ink); background: var(--yolk-bright); }

/* Centered Glass Stat Deck */
.stat-deck {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 24px;
  margin-top: 54px;
  background: rgba(9, 31, 53, 0.75);
  border: 1px solid var(--line);
  padding: 20px 40px;
  border-radius: 20px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  width: 100%;
  max-width: 680px;
}
.stat-deck .stat { text-align: center; }
.stat-deck .stat b {
  display: block; font-family:'Bricolage Grotesque',sans-serif; font-size:2rem; color:var(--yolk); line-height: 1;
}
.stat-deck .stat span {
  font-size:0.75rem; text-transform:uppercase; letter-spacing:0.12em; color:rgba(230, 241, 248, 0.6); margin-top: 4px; display: block;
}
.stat-divider { width: 1px; height: 36px; background: var(--line); }

/* ---------- SECTION SHARED ---------- */
section{ padding: 64px 0; position:relative; z-index:1; }
.section-head{ max-width:640px; margin-bottom:40px; }
.section-head.text-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .eyebrow{ margin-bottom:16px; }
.section-head h2{ font-size: clamp(2.2rem, 4vw, 3.2rem); color:var(--arc-silver); }
.section-head p{ margin-top:14px; color: rgba(230, 241, 248, 0.75); font-size:1.1rem; line-height:1.6; }

/* ---------- ROADMAP ---------- */
.roadmap-section { background: transparent; }
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.roadmap-card {
  background: rgba(9, 31, 53, 0.7);
  border: 2px solid var(--line);
  border-radius: 24px;
  padding: 32px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  backdrop-filter: blur(8px);
  transition: transform 0.2s, border-color 0.2s;
}
.roadmap-card:hover {
  transform: translateY(-6px);
  border-color: var(--sky);
}
.roadmap-card.highlight {
  border-color: var(--yolk);
  background: linear-gradient(180deg, rgba(9, 31, 53, 0.85) 0%, rgba(238, 218, 179, 0.08) 100%);
  box-shadow: 0 12px 30px rgba(0,0,0,0.4);
}
.card-tag {
  align-self: flex-start;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  background: rgba(238, 218, 179, 0.12);
  border-radius: 6px;
  color: var(--arc-sand);
  margin-bottom: 20px;
}
.roadmap-card h3 {
  font-size: 1.5rem;
  color: var(--arc-silver);
  margin-bottom: 12px;
  line-height: 1.15;
}
.roadmap-desc {
  font-size: 1rem;
  color: rgba(230, 241, 248, 0.7);
  line-height: 1.5;
  margin-bottom: 28px;
}
.quack-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.quack-tags span {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  background: rgba(3, 10, 22, 0.8);
  border: 1px solid var(--line);
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--yolk);
}

/* ---------- WHITELIST CTA / MODAL ---------- */
.wl-band{
  background: linear-gradient(135deg, var(--arc-steel) 0%, var(--arc-deep) 100%);
  color: var(--arc-silver);
  border-radius:28px;
  padding:64px 48px;
  display:flex;
  flex-direction: column;
  align-items:center;
  text-align:center;
  gap:8px;
  border:2.5px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}
.wl-band h2{ font-size: clamp(1.8rem,3vw,2.4rem); color: var(--arc-sand); }
.wl-band p{ max-width:420px; font-size:1rem; font-weight: 500; color: rgba(230, 241, 248, 0.85); }
.wl-band .stat-deck{
  margin-top: 32px;
  margin-bottom: 8px;
  background: rgba(3, 10, 22, 0.75);
  border-color: var(--line);
}
.wl-band .btn-primary{ background: var(--yolk); color: var(--ink); border-color: var(--ink); box-shadow:4px 4px 0 var(--ink); }

.modal-overlay{
  position:fixed; inset:0; background: rgba(3, 10, 22, 0.88);
  display:none; align-items:center; justify-content:center; z-index:100; padding:20px;
  backdrop-filter: blur(10px);
}
.modal-overlay.open{ display:flex; }
.modal{
  background: var(--arc-deep);
  border:2.5px solid var(--ink);
  border-radius:24px;
  width:100%; max-width:520px;
  padding:36px;
  position:relative;
  box-shadow: 12px 12px 0 rgba(0,0,0,0.6);
}
.modal-close{
  position:absolute; top:18px; right:18px;
  width:34px; height:34px; border-radius:50%;
  background: var(--arc-night); border:1px solid var(--line);
  color:var(--arc-silver); font-size:1.1rem; display:flex; align-items:center; justify-content:center;
}
.modal-close:hover{ background: var(--arc-steel); }

.progress{ display:flex; gap:8px; margin-bottom:26px; }
.progress .seg{ flex:1; height:6px; border-radius:999px; background: rgba(230, 241, 248, 0.15); overflow:hidden; }
.progress .seg i{ display:block; height:100%; width:0%; background: var(--yolk); transition: width .3s; }

.step-label{ font-family:'Space Mono',monospace; font-size:0.78rem; letter-spacing:0.1em; text-transform:uppercase; color:var(--arc-sand); margin-bottom:8px; }
.modal h3{ font-size:1.5rem; margin-bottom:10px; color: var(--arc-silver); }
.modal p.desc{ font-size:0.95rem; color:rgba(230, 241, 248, 0.72); line-height:1.55; margin-bottom:22px; }

.field{ margin-bottom:18px; }
.field label{ display:block; font-size:0.85rem; margin-bottom:7px; color:rgba(230, 241, 248, 0.85); }
.field input{
  width:100%; padding:13px 15px; border-radius:12px;
  background: var(--arc-night); border:1.5px solid var(--line);
  color:var(--arc-silver); font-family:'Space Mono',monospace; font-size:0.92rem;
  transition: border-color .15s;
}
.field input:focus{ outline:none; border-color: var(--yolk); }
.field .hint{ font-size:0.78rem; color: rgba(230, 241, 248, 0.5); margin-top:6px; }
.field .err{ font-size:0.78rem; color:#ff9d7a; margin-top:6px; display:none; }

.task-link{
  display:flex; align-items:center; justify-content:space-between;
  background: var(--arc-night); border:1.5px solid var(--line); border-radius:14px;
  padding:16px 18px; margin-bottom:18px;
  transition: border-color .2s;
}
.task-link.completed {
  border-color: rgba(238, 218, 179, 0.5);
}
.task-link div b{ display:block; font-family:'Bricolage Grotesque',sans-serif; font-size:1rem; }
.task-link div span{ font-size:0.82rem; color:rgba(230, 241, 248, 0.6); }
.task-link div span.completed-text{ color: var(--yolk); font-weight: 600; }
.task-link a.go{
  background: var(--sky); color:var(--ink); font-weight:700; font-family:'Bricolage Grotesque',sans-serif;
  padding:8px 16px; border-radius:999px; font-size:0.85rem; border:2px solid var(--ink);
  transition: background .2s, transform .12s;
}
.task-link a.go.done{
  background: var(--yolk);
}

.modal-actions{ display:flex; gap:12px; margin-top:26px; }
.btn-back{
  background: transparent; color: var(--arc-silver); border:1.5px solid var(--line);
  font-family:'Bricolage Grotesque',sans-serif; font-weight:600; padding:13px 22px; border-radius:999px; flex:0 0 auto;
}
.btn-next{
  background: var(--yolk); color:var(--ink); border:2px solid var(--ink);
  font-family:'Bricolage Grotesque',sans-serif; font-weight:700; padding:13px 22px; border-radius:999px; flex:1;
  box-shadow: 3px 3px 0 var(--ink); transition: transform .12s, opacity .2s, background .15s;
}
.btn-next:hover:not(:disabled){ transform: translate(-2px,-2px); background: var(--yolk-bright); }
.btn-next:disabled{
  opacity: 0.4;
  cursor: not-allowed;
  box-shadow: none;
}

.spots-note{ margin-top:20px; font-size:0.85rem; color:rgba(230, 241, 248, 0.6); font-family:'Space Mono',monospace; }

/* ---------- FOOTER ---------- */
footer{ background: var(--arc-night); border-top:1px solid var(--line); padding:48px 0 30px; }
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px; }
.footer-links{ display:flex; gap:24px; }
.footer-links a{ font-size:0.9rem; opacity:0.75; }
.footer-links a:hover{ opacity:1; color: var(--yolk); }
.copyright{ font-size:0.8rem; color:rgba(230, 241, 248, 0.45); margin-top:24px; font-family:'Space Mono',monospace; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 920px){
  .hero{ padding-top:48px; }
  .stat-deck { flex-direction: column; gap: 16px; padding: 24px; }
  .stat-divider { width: 80%; height: 1px; }
  .nav-links{ display:none; }
  .wl-band{ padding:38px 26px; }
}

/* Small phones (iPhone SE, older Android, etc.) */
@media (max-width: 400px){
  .nav-inner{ padding:14px 16px; }
  .brand span{ font-size:1.1rem; }
  .brand-logo{ width:32px; }
  .nav-cta{
    padding:9px 14px;
    font-size:0.8rem;
    white-space:nowrap;
    flex-shrink:0;
  }
  .modal{ padding:24px 20px; }
  .modal-actions{ gap:8px; }
  .btn-back{ padding:13px 16px; }
  .btn-next{ padding:13px 14px; font-size:0.95rem; }
  .wl-band{ padding:30px 18px; }
}

/* Prevent iOS Safari from auto-zooming into text inputs on focus
   (any font-size under 16px triggers it) */
@media (max-width: 920px){
  .field input{ font-size:16px; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count:1 !important; }
}