:root {
  --bg: #02050b;
  --bg-soft: #07101e;
  --surface: rgba(10, 22, 42, 0.78);
  --surface-solid: #0a162a;
  --surface-2: #0d1e38;
  --text: #f7fbff;
  --muted: #9aa9bd;
  --blue: #1769ff;
  --blue-2: #48a4ff;
  --line: rgba(111, 169, 255, 0.2);
  --success: #76e1be;
  --max: 1180px;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 0%, rgba(23, 105, 255, 0.15), transparent 30rem),
    radial-gradient(circle at 90% 35%, rgba(72, 164, 255, 0.08), transparent 34rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
::selection { background: var(--blue); color: white; }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.8rem 1rem;
  background: white;
  color: black;
  border-radius: 0.5rem;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.narrow { width: min(calc(100% - 2rem), 820px); margin-inline: auto; }
.section { padding: clamp(4rem, 8vw, 7.5rem) 0; position: relative; }
.section-tight { padding: 3rem 0; }
.section-title { max-width: 760px; margin-bottom: 2.2rem; }
.section-title.center { margin-inline: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.7rem;
  color: var(--blue-2);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 1.6rem;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
}
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.035em; }
h1 { font-size: clamp(2.6rem, 7.5vw, 6.8rem); }
h2 { font-size: clamp(2rem, 5vw, 4.2rem); }
h3 { font-size: clamp(1.2rem, 2.3vw, 1.65rem); }
p { margin: 0 0 1rem; }
.lead { color: #c9d4e4; font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 62ch; }
.muted { color: var(--muted); }
.gradient-text {
  color: transparent;
  background: linear-gradient(110deg, #fff 0%, #c8e5ff 42%, #3d8bff 78%, #fff 100%);
  background-clip: text;
  -webkit-background-clip: text;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  padding: 0.8rem 0;
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(2, 5, 11, 0.83);
  border-color: var(--line);
  box-shadow: 0 10px 35px rgba(0,0,0,.22);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; min-width: max-content; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand-word { font-size: 1.08rem; font-weight: 900; letter-spacing: -0.04em; }
.brand-word span { color: var(--blue-2); }
.nav-links { display: flex; align-items: center; gap: 0.2rem; }
.nav-links a {
  padding: 0.72rem 0.82rem;
  border-radius: 0.8rem;
  color: #c4cfdd;
  font-size: 0.93rem;
  font-weight: 700;
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: white; background: rgba(255,255,255,.07); }
.nav-cta { margin-left: 0.4rem; }
.menu-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(6, 15, 29, 0.8);
  cursor: pointer;
}
.menu-toggle span { display: block; width: 21px; height: 2px; margin: 5px auto; background: white; transition: transform .2s ease, opacity .2s ease; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 48px;
  padding: .82rem 1.2rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 850;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(120deg, var(--blue), #3d91ff);
  color: white;
  box-shadow: 0 10px 35px rgba(23,105,255,.3);
}
.btn-primary:hover { box-shadow: 0 14px 45px rgba(23,105,255,.42); }
.btn-secondary { background: rgba(255,255,255,.065); border-color: rgba(255,255,255,.15); color: white; }
.btn-secondary:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); }
.btn-small { min-height: 42px; padding: .66rem 1rem; font-size: .9rem; }
.icon-inline { width: 1.05em; height: 1.05em; }

.hero {
  min-height: 780px;
  height: min(94vh, 950px);
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.hero-media { position: absolute; inset: 0; z-index: -3; }
.hero-media picture, .hero-media img { width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: center; filter: saturate(1.05) contrast(1.04); }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(2,5,11,.78) 0%, rgba(2,5,11,.3) 48%, rgba(2,5,11,.22) 100%),
    linear-gradient(0deg, var(--bg) 0%, transparent 45%, rgba(2,5,11,.35) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 38vw;
  height: 38vw;
  right: -12vw;
  bottom: -18vw;
  border-radius: 50%;
  background: rgba(23,105,255,.18);
  filter: blur(90px);
  z-index: -1;
}
.hero-content { padding: 10rem 0 clamp(5.4rem, 9vw, 8rem); }
.hero-copy { max-width: 760px; }
.hero-copy h1 { max-width: 10.5ch; text-wrap: balance; }
.hero-copy .lead { margin-top: 1.4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.7rem; }
.hero-badges { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2.1rem; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .58rem .8rem;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 999px;
  background: rgba(4,12,24,.55);
  color: #d5e0ed;
  font-size: .82rem;
  font-weight: 750;
  backdrop-filter: blur(10px);
}
.badge svg { width: 17px; height: 17px; color: var(--blue-2); }
.scroll-cue { position: absolute; bottom: 1.3rem; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.55); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; }
.scroll-cue::after { content: ""; display: block; width: 1px; height: 36px; margin: .5rem auto 0; background: linear-gradient(white, transparent); animation: scrollCue 1.8s ease-in-out infinite; }
@keyframes scrollCue { 0%,100% { opacity:.25; transform:scaleY(.5); transform-origin:top; } 50% { opacity:1; transform:scaleY(1); } }

.page-hero {
  min-height: 520px;
  padding: 10rem 0 5rem;
  display: flex;
  align-items: end;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background: linear-gradient(90deg, rgba(2,5,11,.92), rgba(2,5,11,.5)), url("img/castking-banner-1440.webp") center/cover;
  filter: saturate(.8);
}
.page-hero::after { content:""; position:absolute; inset:0; z-index:-1; background:linear-gradient(0deg,var(--bg),transparent 75%); }
.page-hero h1 { max-width: 11ch; }
.page-hero .lead { margin-top: 1rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(13,30,56,.88), rgba(5,13,25,.88));
  box-shadow: inset 0 1px rgba(255,255,255,.035);
}
.card::before {
  content: "";
  position: absolute;
  width: 10rem;
  height: 10rem;
  right: -5rem;
  top: -6rem;
  background: rgba(23,105,255,.14);
  border-radius: 50%;
  filter: blur(30px);
  pointer-events: none;
}
.card-pad { padding: clamp(1.35rem, 3vw, 2rem); }
.card-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  border-radius: 15px;
  background: rgba(23,105,255,.13);
  color: var(--blue-2);
  border: 1px solid rgba(72,164,255,.2);
}
.card-icon svg { width: 25px; height: 25px; }
.card h3 { margin-bottom: .7rem; }
.card p { color: #aab8ca; }
.card-link { display: inline-flex; align-items: center; gap: .45rem; margin-top: .5rem; color: #dcecff; font-weight: 800; }
.card-link span { transition: transform .2s ease; }
.card-link:hover span { transform: translateX(4px); }

.split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.split.reverse { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); }
.visual-card { min-height: 500px; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: 32px; box-shadow: var(--shadow); background: #061020; }
.visual-card img { width: 100%; height: 100%; position: absolute; inset: 0; object-fit: cover; }
.visual-card::after { content:""; position:absolute; inset:0; background:linear-gradient(0deg,rgba(2,5,11,.85),transparent 55%); }
.visual-caption { position: absolute; z-index: 2; inset: auto 1.5rem 1.5rem; }
.visual-caption strong { display: block; font-size: 1.1rem; }
.visual-caption span { color: var(--muted); font-size: .9rem; }

.feature-list { display: grid; gap: .9rem; margin-top: 1.5rem; }
.feature-item { display: grid; grid-template-columns: 38px 1fr; gap: .8rem; align-items: start; }
.feature-check { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: rgba(23,105,255,.13); color: var(--blue-2); }
.feature-check svg { width: 18px; }
.feature-item strong { display: block; margin-bottom: .15rem; }
.feature-item p { color: var(--muted); margin: 0; font-size: .94rem; }

.tiktok-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(72,164,255,.25);
  border-radius: 32px;
  background:
    linear-gradient(120deg, rgba(23,105,255,.17), rgba(5,13,25,.84) 48%),
    radial-gradient(circle at 85% 0, rgba(72,164,255,.19), transparent 24rem);
  box-shadow: var(--shadow);
}
.tiktok-panel .logo-mini { width: 110px; filter: drop-shadow(0 14px 24px rgba(0,0,0,.4)); }
.social-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.25rem; }

.pill-list { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.pill { padding: .55rem .75rem; border-radius: 999px; border: 1px solid var(--line); color: #c5d3e4; background: rgba(255,255,255,.035); font-size: .86rem; font-weight: 720; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.stat { padding: 1.6rem; text-align: center; border: 1px solid var(--line); border-radius: 20px; background: rgba(8,19,36,.7); }
.stat strong { display: block; color: white; font-size: clamp(1.3rem, 3vw, 2rem); }
.stat span { color: var(--muted); font-size: .86rem; }

.timeline { position: relative; display: grid; gap: 1rem; }
.timeline::before { content:""; position:absolute; left: 21px; top:1.5rem; bottom:1.5rem; width:1px; background:linear-gradient(var(--blue),rgba(72,164,255,.05)); }
.timeline-item { display: grid; grid-template-columns: 44px 1fr; gap: 1rem; position: relative; }
.timeline-dot { width: 44px; height: 44px; display:grid; place-items:center; border-radius:50%; background:var(--surface-solid); border:1px solid rgba(72,164,255,.35); color:var(--blue-2); font-weight:900; z-index:1; }
.timeline-content { padding: 1.2rem 1.3rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(8,19,36,.72); }
.timeline-content h3 { font-size: 1.08rem; margin-bottom: .35rem; }
.timeline-content p { margin:0; color: var(--muted); }

.species-grid { display:grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap:1rem; }
.species-card { padding:1.5rem; min-height:270px; display:flex; flex-direction:column; justify-content:flex-end; position:relative; overflow:hidden; border:1px solid var(--line); border-radius:24px; background:linear-gradient(145deg,#0b1d39,#050c17); }
.species-card::before { content:""; position:absolute; width:18rem; height:18rem; border-radius:50%; right:-8rem; top:-9rem; background:rgba(23,105,255,.18); filter:blur(25px); }
.species-card .species-number { position:absolute; right:1rem; top:.4rem; font-size:6rem; font-weight:950; color:rgba(255,255,255,.035); line-height:1; }
.species-card h3 { font-size:1.7rem; }
.species-card p { max-width:45ch; color:var(--muted); margin:.65rem 0 0; }
.species-tags { display:flex; flex-wrap:wrap; gap:.45rem; margin-top:1rem; }
.species-tags span { padding:.35rem .55rem; border-radius:999px; background:rgba(255,255,255,.055); color:#c4d2e2; font-size:.76rem; }

.table-wrap { overflow-x:auto; border:1px solid var(--line); border-radius:20px; }
table { width:100%; border-collapse:collapse; min-width:620px; }
th,td { padding:1rem 1.15rem; text-align:left; border-bottom:1px solid var(--line); }
th { color:#dceaff; background:rgba(23,105,255,.09); font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; }
td { color:#afbdce; }
tr:last-child td { border-bottom:0; }

.faq { display:grid; gap:.75rem; }
.faq details { border:1px solid var(--line); border-radius:16px; background:rgba(8,19,36,.68); }
.faq summary { list-style:none; cursor:pointer; padding:1rem 1.2rem; font-weight:800; display:flex; align-items:center; justify-content:space-between; gap:1rem; }
.faq summary::-webkit-details-marker { display:none; }
.faq summary::after { content:"+"; color:var(--blue-2); font-size:1.4rem; transition:transform .2s ease; }
.faq details[open] summary::after { transform:rotate(45deg); }
.faq details p { padding:0 1.2rem 1.1rem; margin:0; color:var(--muted); }

.form-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
.field { display:grid; gap:.45rem; }
.field.full { grid-column:1/-1; }
label { color:#dce8f5; font-size:.9rem; font-weight:750; }
input, textarea, select {
  width:100%;
  border:1px solid rgba(126,166,220,.22);
  border-radius:14px;
  background:rgba(2,7,14,.75);
  color:white;
  padding:.9rem 1rem;
  outline:none;
  transition:border-color .2s ease, box-shadow .2s ease;
}
textarea { min-height:170px; resize:vertical; }
input:focus, textarea:focus, select:focus { border-color:var(--blue-2); box-shadow:0 0 0 4px rgba(23,105,255,.13); }
.form-note { color:var(--muted); font-size:.82rem; }
.form-status { min-height:1.4em; color:var(--success); font-weight:700; margin-top:.8rem; }
.contact-cards { display:grid; gap:.8rem; }
.contact-card { padding:1.15rem; display:flex; gap:.9rem; align-items:center; border:1px solid var(--line); border-radius:17px; background:rgba(8,19,36,.68); }
.contact-card svg { width:22px; color:var(--blue-2); }
.contact-card strong { display:block; }
.contact-card span { color:var(--muted); font-size:.86rem; }

.notice { padding:1rem 1.15rem; border-left:3px solid var(--blue); background:rgba(23,105,255,.1); border-radius:0 12px 12px 0; color:#c8d9ee; }
.legal h2 { font-size:1.55rem; margin:2.2rem 0 .7rem; letter-spacing:-.02em; }
.legal h3 { font-size:1.1rem; margin:1.5rem 0 .45rem; }
.legal p, .legal li { color:#b0bdcd; }
.legal a { color:#8bc2ff; text-decoration:underline; text-underline-offset:3px; }

.cta-band { padding:clamp(2rem,5vw,4rem); border:1px solid rgba(72,164,255,.26); border-radius:30px; background:linear-gradient(120deg,rgba(23,105,255,.2),rgba(5,13,25,.9)); display:flex; align-items:center; justify-content:space-between; gap:2rem; }
.cta-band h2 { font-size:clamp(1.8rem,4vw,3.3rem); max-width:14ch; }
.cta-band p { color:var(--muted); max-width:48ch; margin:.75rem 0 0; }

.site-footer { border-top:1px solid var(--line); background:#010307; padding:3.5rem 0 1.5rem; }
.footer-grid { display:grid; grid-template-columns:1.35fr .7fr .7fr; gap:2rem; }
.footer-brand img { width:80px; margin-bottom:.8rem; }
.footer-brand p { color:var(--muted); max-width:42ch; }
.footer-title { color:white; font-weight:850; margin-bottom:.8rem; }
.footer-links { display:grid; gap:.55rem; }
.footer-links a { color:#98a8bc; font-size:.92rem; }
.footer-links a:hover { color:white; }
.footer-bottom { display:flex; justify-content:space-between; gap:1rem; margin-top:2.5rem; padding-top:1.3rem; border-top:1px solid rgba(255,255,255,.07); color:#728197; font-size:.8rem; }

.reveal { opacity:0; transform:translateY(28px); transition:opacity .65s ease, transform .65s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity:1; transform:translateY(0); }
.reveal-delay-1 { transition-delay:.08s; }
.reveal-delay-2 { transition-delay:.16s; }
.reveal-delay-3 { transition-delay:.24s; }

@media (max-width: 980px) {
  .menu-toggle { display:block; }
  .nav-links {
    position:fixed;
    inset:74px 1rem auto;
    display:grid;
    padding:.8rem;
    border:1px solid var(--line);
    border-radius:20px;
    background:rgba(3,8,16,.96);
    box-shadow:var(--shadow);
    backdrop-filter:blur(18px);
    transform:translateY(-12px) scale(.98);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .nav-links.is-open { transform:none; opacity:1; visibility:visible; }
  .nav-links a { padding:.9rem 1rem; }
  .nav-cta { margin: .4rem 0 0; }
  .split, .split.reverse { grid-template-columns:1fr; }
  .split.reverse .split-copy { order:1; }
  .split.reverse .visual-card { order:2; }
  .grid-3 { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .footer-brand { grid-column:1/-1; }
}

@media (max-width: 720px) {
  .container, .narrow { width:min(calc(100% - 1.25rem), var(--max)); }
  .site-header { padding:.55rem 0; }
  .brand img { width:43px; height:43px; }
  .hero { min-height:720px; height:100svh; }
  .hero-media img { object-position:38% center; }
  .hero::before { background:linear-gradient(0deg,var(--bg) 0%,rgba(2,5,11,.28) 65%,rgba(2,5,11,.58) 100%),linear-gradient(90deg,rgba(2,5,11,.5),transparent); }
  .hero-content { padding-bottom:5rem; }
  .hero-copy h1 { font-size:clamp(2.65rem,15vw,4.6rem); }
  .hero-badges { gap:.45rem; }
  .badge { font-size:.73rem; }
  .scroll-cue { display:none; }
  .page-hero { min-height:440px; padding-top:8rem; }
  .page-hero::before { background-position:35% center; }
  .grid-3, .grid-2, .species-grid, .form-grid { grid-template-columns:1fr; }
  .field.full { grid-column:auto; }
  .stats { grid-template-columns:1fr; }
  .visual-card { min-height:410px; }
  .tiktok-panel { grid-template-columns:1fr; }
  .tiktok-panel .logo-mini { width:90px; }
  .cta-band { align-items:flex-start; flex-direction:column; }
  .footer-grid { grid-template-columns:1fr; }
  .footer-brand { grid-column:auto; }
  .footer-bottom { flex-direction:column; }
}

@media (max-width: 450px) {
  .hero-actions .btn { width:100%; }
  .brand-word { font-size:1rem; }
  .card-pad { padding:1.25rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *, *::before, *::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
  .reveal { opacity:1; transform:none; }
}