:root {
  --ink: #11100e;
  --paper: #f5f1e8;
  --coral: #ff5a36;
  --acid: #d8ff52;
  --muted: #aaa49a;
  --line: rgba(17, 16, 14, 0.18);
  --pad: clamp(1.25rem, 4vw, 4.5rem);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; width: 100%; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: 1rem; z-index: 20; padding: .7rem 1rem; background: var(--acid); transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: absolute;
  z-index: 10;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem var(--pad);
  color: #fff;
}
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 900; font-size: .9rem; letter-spacing: .04em; }
.brand > span:last-child > span { color: var(--coral); }
.brand-mark { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border: 1px solid currentColor; border-radius: 50%; font-size: 1rem; font-style: italic; }
.site-nav { display: flex; align-items: center; gap: clamp(.9rem, 2vw, 1.9rem); font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--acid); }
.nav-rule { width: 1px; height: 1.1rem; background: rgba(255,255,255,.45); }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.social-nav { display: flex; align-items: center; gap: .55rem; }
.social-icon {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border: 1px solid rgba(255,255,255,.38);
  border-radius: 50%;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.social-icon svg { width: 1.05rem; height: 1.05rem; fill: currentColor; stroke: currentColor; stroke-width: 1.8; }
.social-icon svg use[href="#icon-tiktok"] { stroke: none; }
.social-icon svg use[href="#icon-instagram"] { fill: none; }
.social-icon svg use[href="#icon-youtube"] { stroke: none; }
.social-icon:hover, .social-icon:focus-visible { background: var(--acid); border-color: var(--acid); color: var(--ink) !important; transform: translateY(-2px); }
.menu-toggle { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 46%) minmax(0, 54%);
  align-items: stretch;
  background: var(--ink);
  color: #fff;
}
.hero-copy { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; padding: 9rem clamp(2rem, 5vw, 6rem) 4rem var(--pad); }
.eyebrow, .section-label { margin: 0; font-size: .72rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: .7rem; color: var(--acid); }
.eyebrow span { width: 2.4rem; height: 1px; background: currentColor; }
h1, h2 { margin: 0; font-weight: 800; letter-spacing: -.065em; line-height: .87; }
h1 { margin-top: clamp(2.4rem, 8vh, 5.5rem); font-size: clamp(4.2rem, 9.8vw, 9.4rem); }
h1 em { color: var(--coral); font-family: Georgia, serif; font-weight: 400; }
.hero-intro { max-width: 34rem; margin: 2.6rem 0 2.2rem; color: #d2d0ca; font-size: clamp(1.05rem, 1.35vw, 1.3rem); line-height: 1.55; }
.text-link { width: fit-content; padding-bottom: .3rem; border-bottom: 1px solid var(--acid); color: var(--acid); font-weight: 800; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.text-link span { margin-left: .45rem; }
.hero-visual { position: relative; z-index: 1; margin: 0; overflow: hidden; min-height: 38rem; }
.hero-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink) 0%, transparent 22%), linear-gradient(0deg, rgba(17,16,14,.65), transparent 35%); pointer-events: none; }
.hero-visual img { height: 100%; object-fit: cover; object-position: center; filter: saturate(.92) contrast(1.03); }
.hero-visual figcaption { position: absolute; z-index: 2; bottom: 2.25rem; left: clamp(2rem, 5vw, 5rem); right: var(--pad); display: grid; grid-template-columns: 2rem 1fr; gap: 1rem; align-items: start; max-width: 29rem; font-size: .82rem; color: rgba(255,255,255,.85); }
.hero-visual figcaption span:first-child { color: var(--acid); font-size: .7rem; letter-spacing: .1em; }
.sound-rings { position: absolute; z-index: 3; top: 20%; left: 42%; width: 7rem; height: 7rem; pointer-events: none; }
.sound-rings i { position: absolute; inset: 50%; border: 1px solid rgba(216,255,82,.65); border-radius: 50%; animation: pulse 3.2s infinite ease-out; }
.sound-rings i:nth-child(2) { animation-delay: .8s; }
.sound-rings i:nth-child(3) { animation-delay: 1.6s; }
@keyframes pulse { 0% { transform: translate(-50%,-50%) scale(.1); opacity: 1; } 100% { transform: translate(-50%,-50%) scale(1); opacity: 0; } }

.manifesto { position: relative; display: grid; grid-template-columns: .7fr 2fr .9fr; gap: 3rem; padding: clamp(6rem, 12vw, 11rem) var(--pad); border-bottom: 1px solid var(--line); }
.section-label { padding-top: .6rem; }
.manifesto h2, .signup h2 { font-size: clamp(3.8rem, 8vw, 8rem); }
.manifesto-copy p { max-width: 42rem; margin: 2.2rem 0 0; font-size: clamp(1.1rem, 1.5vw, 1.45rem); line-height: 1.55; }
.manifesto-copy p + p { margin-top: 1rem; color: #615d56; }
.signal-card { align-self: end; aspect-ratio: 1; display: grid; place-items: center; background: var(--coral); border-radius: 50%; position: relative; }
.signal-card p { margin: 0; text-align: center; font-size: .78rem; font-weight: 900; letter-spacing: .18em; line-height: 1.8; }
.signal-orbit { position: absolute; inset: 13%; border: 1px solid rgba(17,16,14,.5); border-radius: 50%; animation: rotate 8s linear infinite; }
.signal-orbit span { position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; background: var(--acid); border-radius: 50%; }
@keyframes rotate { to { transform: rotate(360deg); } }

.signup { display: grid; grid-template-columns: 1.25fr 1fr; gap: clamp(4rem, 9vw, 10rem); padding: clamp(6rem, 10vw, 9rem) var(--pad); background: var(--coral); }
.signup .section-label { margin-bottom: 2rem; }
.signup-content { align-self: end; }
.signup-content > p { max-width: 31rem; margin: 0 0 2.2rem; font-size: 1.15rem; }
.signup-form label { display: block; margin-bottom: .65rem; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.input-row { display: flex; border-bottom: 2px solid var(--ink); }
.formkit-field { min-width: 0; flex: 1; }
.input-row input { width: 100%; min-width: 0; padding: 1rem 0; border: 0; outline: 0; background: transparent; color: var(--ink); font-size: 1.1rem; }
.input-row input::placeholder { color: rgba(17,16,14,.55); }
.input-row button { position: relative; border: 0; background: transparent; font-weight: 900; cursor: pointer; }
.input-row button:hover, .input-row button:focus-visible { color: #fff; }
.formkit-spinner { display: none; gap: .2rem; align-items: center; justify-content: center; }
.formkit-submit[data-active] > .formkit-spinner { display: flex; }
.formkit-submit[data-active] > span:last-child { visibility: hidden; }
.formkit-spinner i { width: .35rem; height: .35rem; border-radius: 50%; background: currentColor; animation: kit-bounce .8s infinite alternate; }
.formkit-spinner i:nth-child(2) { animation-delay: .15s; }
.formkit-spinner i:nth-child(3) { animation-delay: .3s; }
@keyframes kit-bounce { to { transform: translateY(-.25rem); opacity: .45; } }
.formkit-alert { margin: .8rem 0 0; padding: 0; list-style: none; font-size: .9rem; }
.formkit-alert:empty { display: none; }
.formkit-alert-success { margin-top: 1rem; font-weight: 700; }
.formkit-powered-by-convertkit-container { margin-top: .7rem; }
.formkit-powered-by-convertkit { font-size: .72rem; font-weight: 700; opacity: .58; text-decoration: underline; text-underline-offset: .2em; }
.formkit-powered-by-convertkit:hover, .formkit-powered-by-convertkit:focus-visible { opacity: 1; }

footer { display: grid; grid-template-columns: 1fr 1fr auto; gap: 2rem; align-items: end; padding: 4rem var(--pad); background: var(--ink); color: #fff; }
.footer-brand { font-size: 1rem; }
footer p { margin: 0; color: var(--muted); font-size: .9rem; }
.footer-socials { display: flex; gap: .65rem; }

@media (max-width: 900px) {
  .site-header { position: fixed; background: rgba(17,16,14,.92); backdrop-filter: blur(12px); }
  .menu-toggle { display: grid; gap: 6px; width: 2.75rem; height: 2.75rem; place-content: center; border: 0; border-radius: 50%; background: var(--acid); cursor: pointer; }
  .menu-toggle > span:not(.sr-only) { width: 1.1rem; height: 2px; background: var(--ink); transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(-4px) rotate(-45deg); }
  .site-nav { position: fixed; top: 5rem; left: var(--pad); right: var(--pad); display: none; align-items: stretch; flex-direction: column; gap: 0; padding: 1.25rem; background: var(--acid); color: var(--ink); box-shadow: 0 1.5rem 3rem rgba(0,0,0,.28); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .8rem 0; border-bottom: 1px solid rgba(17,16,14,.2); }
  .nav-rule { display: none; }
  .social-nav { gap: .7rem; padding-top: 1rem; }
  .site-nav .social-icon { padding: 0; border: 1px solid rgba(17,16,14,.35); }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { min-height: 72svh; padding-top: 8.5rem; padding-bottom: 3rem; }
  h1 { font-size: clamp(4.2rem, 19vw, 7rem); }
  .hero-visual { min-height: 70svh; }
  .hero-visual::after { background: linear-gradient(180deg, var(--ink) 0%, transparent 22%), linear-gradient(0deg, rgba(17,16,14,.65), transparent 35%); }
  .sound-rings { top: 69svh; left: 8%; }
  .manifesto { grid-template-columns: 1fr; }
  .manifesto-copy { max-width: 48rem; }
  .signal-card { width: min(14rem, 55vw); justify-self: end; }
  .signup { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 520px) {
  .hero-intro { margin-top: 2rem; }
  .manifesto h2, .signup h2 { font-size: clamp(3.3rem, 16vw, 5rem); }
  .input-row { flex-direction: column; }
  .input-row button { width: fit-content; padding: .9rem 0; }
  .footer-socials { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}