/* ===== VoidSignal — "Transmissions × Tribes" ===== */
@font-face { font-family: "Instrument Serif"; src: url("/assets/fonts/instrument-serif-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("/assets/fonts/instrument-serif-latin-400-italic.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }
@font-face { font-family: "Anton"; src: url("/assets/fonts/anton-latin-400-normal.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Inter Tight"; src: url("/assets/fonts/inter-tight-latin-wght-normal.woff2") format("woff2-variations"); font-weight: 100 900; font-display: swap; }

:root {
  --void: #030304;
  --smoke: #0e0d12;
  --line: rgba(236, 233, 242, .12);
  --bone: #ece9f2;
  --mist: #cfcad8;
  --ash: #8d889a;
  --signal: #a98bff;
  --glow: rgba(157, 114, 255, .35);
  --sr: #ff4a3d; --gym: #e8e1cf; --ct: #3fe6ea;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --cond: "Anton", "Impact", sans-serif;
  --sans: "Inter Tight", system-ui, sans-serif;
  --gutter: clamp(18px, 4.5vw, 72px);
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--void); color: var(--bone);
  font-family: var(--sans); font-weight: 350; font-size: 1.0625rem; line-height: 1.6;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
a:focus-visible, button:focus-visible, input:focus-visible, input:focus-visible + span { outline: 1px solid var(--signal); outline-offset: 4px; }
::selection { background: var(--signal); color: var(--void); }

.skip { position: absolute; left: var(--gutter); top: -60px; z-index: 30; background: var(--bone); color: var(--void); padding: .5rem .8rem; }
.skip:focus { top: 12px; }

/* shared type roles */
.kicker {
  margin: 0 0 1.4rem; font: 500 .72rem/1 var(--sans); letter-spacing: .34em; text-transform: uppercase; color: var(--signal);
}
h1, h2, h3 { font-weight: 400; margin: 0; text-wrap: balance; }

/* ---------- Header ---------- */
.top {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px var(--gutter);
  background: linear-gradient(to bottom, rgba(3,3,4,.7), rgba(3,3,4,0));
  transition: background .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.top.is-scrolled { background: rgba(3,3,4,.55); backdrop-filter: blur(18px) saturate(140%); -webkit-backdrop-filter: blur(18px) saturate(140%); border-bottom-color: var(--line); }
.wordmark { display: block; line-height: 0; }
.wordmark img { width: 54px; height: auto; }
.top nav { display: flex; gap: clamp(1rem, 3vw, 2.6rem); }
.top nav a { text-decoration: none; font: 500 .7rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--mist); transition: color .3s; }
.top nav a:hover { color: var(--bone); }
@media (max-width: 640px) { .top nav a:not([href="#receive"]) { display: none; } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6rem; cursor: pointer;
  font: 600 .74rem/1 var(--sans); letter-spacing: .24em; text-transform: uppercase;
  color: var(--void); background: var(--bone); border: 0; border-radius: 999px;
  padding: 1.15rem 1.9rem; text-decoration: none;
  box-shadow: 0 0 0 1px rgba(255,255,255,.2) inset, 0 10px 40px -10px var(--glow);
  transition: box-shadow .4s var(--ease), transform .4s var(--ease), background .3s;
}
.btn:hover { background: #fff; transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(255,255,255,.3) inset, 0 14px 60px -8px rgba(157,114,255,.65); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- 1. Hero: scroll stage ---------- */
.hero { position: relative; height: 340vh; }
.hero-sticky {
  position: sticky; top: 0; height: 100svh; overflow: hidden; isolation: isolate;
  display: flex; align-items: flex-end; padding: 120px var(--gutter) clamp(52px, 10vh, 110px); background: var(--void);
}
#frames, #static { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: -2; }
#static { z-index: -1; image-rendering: pixelated; }
.hero-sticky::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(3,3,4,.82) 0%, rgba(3,3,4,.35) 45%, rgba(3,3,4,0) 70%),
    linear-gradient(to top, rgba(3,3,4,.9) 0%, rgba(3,3,4,0) 45%);
}
.hero-copy { max-width: 760px; transition: opacity .6s var(--ease), transform .8s var(--ease); }
.hero h1 {
  font-family: var(--serif); font-style: italic; font-size: clamp(3.6rem, 9.4vw, 9.2rem);
  line-height: .9; letter-spacing: -.015em; margin: 0 0 1.6rem;
}
.lede { margin: 0; max-width: 34ch; font-size: clamp(1.02rem, 1.4vw, 1.2rem); font-weight: 300; color: var(--mist); }
.hero-copy--reveal { position: absolute; left: var(--gutter); bottom: clamp(52px, 10vh, 110px); max-width: 30rem; opacity: 0; transform: translateY(18px); pointer-events: none; }
.hero.is-revealed .hero-copy--reveal { opacity: 1; transform: none; pointer-events: auto; }
.hero.is-past-open .hero-copy--open { opacity: 0; transform: translateY(-18px); pointer-events: none; }
.reveal-title { margin: 0 0 .9rem; font: 400 clamp(3.6rem, 8vw, 7.4rem)/.88 var(--cond); text-transform: uppercase; letter-spacing: .005em; }
.reveal-sub { margin: 0 0 1.8rem; color: var(--mist); font-weight: 300; max-width: 32ch; }

.hud { position: absolute; right: var(--gutter); bottom: clamp(52px, 10vh, 110px); text-align: right; }
.hud p { margin: 0; }
.hud-freq { white-space: nowrap; font: 500 .72rem/1 var(--sans); letter-spacing: .26em; text-transform: uppercase; color: var(--mist); }
.hud-freq span { font: 400 2.8rem/1 var(--cond); letter-spacing: .01em; color: var(--bone); font-variant-numeric: tabular-nums; margin-right: .2rem; }
.hud-bars { display: inline-flex; gap: 4px; align-items: flex-end; height: 16px; margin: .7rem 0 .55rem !important; }
.hud-bars i { width: 4px; background: rgba(236,233,242,.18); border-radius: 1px; transition: background .25s, box-shadow .25s; }
.hud-bars i:nth-child(1) { height: 4px; } .hud-bars i:nth-child(2) { height: 7px; } .hud-bars i:nth-child(3) { height: 10px; }
.hud-bars i:nth-child(4) { height: 13px; } .hud-bars i:nth-child(5) { height: 16px; }
.hud-bars i.on { background: var(--signal); box-shadow: 0 0 10px var(--glow); }
.hud-state { font: 500 .66rem/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--ash); }
.hero.is-revealed .hud-state { color: var(--signal); }
@media (max-width: 760px) {
  .hud { top: 96px; bottom: auto; }
  .hud-freq span { font-size: 1.9rem; }
  .hero-copy--reveal { right: var(--gutter); }
}
.hero.is-still { height: auto; }
.hero.is-still .hero-sticky { position: relative; min-height: 100svh; height: auto; }
.hero.is-still .hud { display: none; }

/* ---------- 2. The myth ---------- */
.myth { padding: clamp(110px, 22vh, 240px) var(--gutter); max-width: 1240px; margin: 0 auto; }
.myth .lit {
  margin: 0; font: 400 clamp(2rem, 4.6vw, 4.3rem)/1.1 var(--serif); letter-spacing: -.01em; color: var(--bone);
}
.myth .lit .w { opacity: .14; transition: opacity .35s linear; }
.myth .lit .w.on { opacity: 1; }

/* ---------- 3. The tribes: channel switcher ---------- */
.channels-stage { position: relative; height: 330vh; }
.ch-sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; background: var(--void); }
.ch-title { position: absolute; z-index: 3; left: var(--gutter); top: 104px; font: 500 .72rem/1 var(--sans); letter-spacing: .34em; text-transform: uppercase; color: var(--mist); }
.ch-panels { position: absolute; inset: 0; }
.ch-panel { --c: var(--bone); position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s, visibility 0s .5s; }
.ch-panel.is-active { opacity: 1; visibility: visible; transition: opacity .5s; }
.ch-panel[data-channel="sr"] { --c: var(--sr); } .ch-panel[data-channel="gym"] { --c: var(--gym); } .ch-panel[data-channel="ct"] { --c: var(--ct); }
.ch-bg {
  position: absolute; top: 0; right: 0; width: 62%; height: 100%; object-fit: cover;
  filter: contrast(1.05) saturate(.9);
  -webkit-mask-image: linear-gradient(to right, transparent 0, #000 30%); mask-image: linear-gradient(to right, transparent 0, #000 30%);
  transform: scale(1.08); transition: transform 2.2s var(--ease);
}
.ch-panel.is-active .ch-bg { transform: scale(1); }
.ch-copy { position: absolute; z-index: 2; left: var(--gutter); bottom: clamp(60px, 12vh, 130px); width: min(56%, 820px); }
.ch-freq { margin: 0 0 1rem; font: 500 .72rem/1 var(--sans); letter-spacing: .34em; text-transform: uppercase; color: var(--c); }
.ch-name {
  font: 400 clamp(4.6rem, 12.5vw, 13rem)/.84 var(--cond); text-transform: uppercase; letter-spacing: -.005em; color: var(--bone);
  text-shadow: 0 10px 60px rgba(0,0,0,.6);
  transform: translateY(30px); opacity: 0; transition: transform 1s var(--ease) .05s, opacity .7s .05s;
}
.ch-panel.is-active .ch-name { transform: none; opacity: 1; }
.ch-line {
  margin: 1.4rem 0 0; font: italic 400 clamp(1.5rem, 2.6vw, 2.3rem)/1.15 var(--serif); color: var(--mist); max-width: 24ch;
  transform: translateY(16px); opacity: 0; transition: transform 1s var(--ease) .2s, opacity .7s .2s;
}
.ch-panel.is-active .ch-line { transform: none; opacity: 1; }
.ch-panel::after { /* channel tint at the floor */
  content: ""; position: absolute; inset: auto 0 0 0; height: 40%; pointer-events: none;
  background: radial-gradient(60% 100% at 20% 100%, color-mix(in srgb, var(--c) 16%, transparent), transparent 70%);
}
.ch-second {
  position: absolute; z-index: 2; right: calc(62% - 7vw); top: 15vh; width: clamp(150px, 15vw, 250px); height: auto; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: 8px; box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 40px 90px -20px rgba(0,0,0,.9), 0 0 50px -12px color-mix(in srgb, var(--c) 45%, transparent);
  transform: translateY(40px) rotate(-2deg); opacity: 0; transition: transform 1.2s var(--ease) .15s, opacity .8s .15s;
}
.ch-panel.is-active .ch-second { transform: rotate(-2deg); opacity: 1; }
@media (max-width: 860px) { .ch-second { right: var(--gutter); top: 120px; width: 112px; } }
.channels-stage.is-still .ch-second { opacity: 1; transform: none; }
.ch-static { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; pointer-events: none; opacity: 0; image-rendering: pixelated; }
.ch-static.flash { animation: chflash .34s steps(4) forwards; }
@keyframes chflash { 0% { opacity: .8; } 60% { opacity: .45; } 100% { opacity: 0; } }
.dial { position: absolute; z-index: 3; right: var(--gutter); bottom: clamp(60px, 12vh, 130px); list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; text-align: right; }
.dial li { font: 500 .7rem/1 var(--sans); letter-spacing: .3em; text-transform: uppercase; color: rgba(236,233,242,.38); text-shadow: 0 1px 14px rgba(0,0,0,.9); transition: color .4s; }
.dial li.is-active { color: var(--bone); }
.dial li.is-active::before { content: ""; display: inline-block; width: 26px; height: 1px; margin-right: .8rem; vertical-align: middle; background: var(--signal); box-shadow: 0 0 10px var(--glow); }
@media (max-width: 860px) {
  .ch-bg { width: 100%; -webkit-mask-image: linear-gradient(to top, transparent 0, #000 50%); mask-image: linear-gradient(to top, transparent 0, #000 50%); }
  .ch-copy { width: auto; right: var(--gutter); bottom: 44px; }
  .ch-name { font-size: clamp(4.2rem, 22vw, 7rem); }
  .ch-title { top: 92px; }
  .dial { display: none; }
}
.channels-stage.is-still { height: auto; }
.channels-stage.is-still .ch-sticky { position: relative; height: auto; }
.channels-stage.is-still .ch-panels { position: relative; }
.channels-stage.is-still .ch-panel { position: relative; height: 100svh; opacity: 1; visibility: visible; }
.channels-stage.is-still .ch-name, .channels-stage.is-still .ch-line { opacity: 1; transform: none; }
.channels-stage.is-still .dial, .channels-stage.is-still .ch-static { display: none; }

/* ---------- 4. Transmission 01 ---------- */
.archive { padding: clamp(110px, 18vh, 200px) var(--gutter) clamp(80px, 14vh, 160px); }
.archive-head { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: end; gap: 1rem 3rem; margin-bottom: clamp(2.5rem, 6vw, 4.5rem); }
.archive-head .kicker { grid-column: 1 / -1; margin-bottom: .4rem; }
.archive-head h2 { font: 400 clamp(3.6rem, 9vw, 8.6rem)/.86 var(--cond); text-transform: uppercase; letter-spacing: -.005em; }
.archive-intro { margin: 0; justify-self: end; max-width: 30ch; font: italic 400 clamp(1.3rem, 2vw, 1.75rem)/1.2 var(--serif); color: var(--mist); }
.tees { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 30px) clamp(12px, 1.6vw, 22px); }
.tee { --c: var(--bone); }
.tee[data-channel="sr"] { --c: var(--sr); } .tee[data-channel="gym"] { --c: var(--gym); } .tee[data-channel="ct"] { --c: var(--ct); }
.tee a { display: block; text-decoration: none; color: inherit; }
.tee figure { position: relative; margin: 0; aspect-ratio: 4 / 5; overflow: hidden; border-radius: 6px; background: var(--smoke); box-shadow: 0 0 0 1px var(--line); transition: box-shadow .5s var(--ease), transform .6s var(--ease); }
.tee figure::after { content: ""; position: absolute; inset: 0; background: radial-gradient(80% 60% at 50% 0%, rgba(255,255,255,.06), transparent 60%); pointer-events: none; }
.tee img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 1s var(--ease), filter .6s; filter: saturate(.92); }
.tee a:hover figure, .tee a:focus-visible figure { transform: translateY(-4px); box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 55%, transparent), 0 30px 70px -20px rgba(0,0,0,.8), 0 0 50px -10px color-mix(in srgb, var(--c) 35%, transparent); }
.tee a:hover img { transform: scale(1.05); filter: saturate(1.05); }
.tee-name { margin: 1rem 0 .25rem; font: italic 400 1.55rem/1.1 var(--serif); }
.tee-meta { margin: 0; font: 500 .66rem/1 var(--sans); letter-spacing: .28em; text-transform: uppercase; color: var(--ash); }
.tee-meta::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: .6rem; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); vertical-align: 1px; }
@media (max-width: 1000px) { .tees { grid-template-columns: repeat(2, minmax(0, 1fr)); } .archive-head { grid-template-columns: 1fr; } .archive-intro { justify-self: start; } }

/* ---------- 5. Receive ---------- */
.receive {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2.5rem, 7vw, 7rem); align-items: center;
  padding: clamp(110px, 18vh, 200px) var(--gutter);
  background:
    radial-gradient(50% 60% at 78% 50%, rgba(157,114,255,.2), transparent 70%),
    radial-gradient(40% 50% at 10% 90%, rgba(157,114,255,.08), transparent 70%),
    var(--void);
  border-top: 1px solid var(--line);
}
.receive h2 { font: italic 400 clamp(2.8rem, 6vw, 5.6rem)/.95 var(--serif); letter-spacing: -.01em; margin-bottom: 1.6rem; }
.receive-intro p:last-child { margin: 0; max-width: 40ch; color: var(--mist); font-weight: 300; }
@media (max-width: 900px) { .receive { grid-template-columns: 1fr; } }

.signup {
  display: grid; gap: 1.6rem; padding: clamp(1.6rem, 3.5vw, 2.8rem);
  background: linear-gradient(160deg, rgba(255,255,255,.06), rgba(255,255,255,.015));
  border: 1px solid rgba(255,255,255,.12); border-radius: 22px;
  backdrop-filter: blur(22px) saturate(140%); -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow: 0 40px 120px -40px rgba(0,0,0,.9), 0 0 80px -30px var(--glow), inset 0 1px 0 rgba(255,255,255,.08);
}
.field { display: grid; gap: .6rem; }
.field-label { font: 500 .66rem/1 var(--sans); letter-spacing: .3em; text-transform: uppercase; color: var(--ash); padding: 0; }
.signup input[type="email"] {
  font: 400 1.35rem var(--serif); font-style: italic; color: var(--bone); background: transparent;
  border: 0; border-bottom: 1px solid rgba(236,233,242,.25); border-radius: 0; padding: .55rem 0;
}
.signup input[type="email"]::placeholder { color: rgba(236,233,242,.3); }
.signup input[type="email"]:focus { outline: none; border-bottom-color: var(--signal); box-shadow: 0 1px 0 var(--signal); }
.channels { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .55rem; }
.channels legend { margin-bottom: .8rem; }
.channels label { position: relative; }
.channels input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.channels span {
  --c: var(--bone); display: inline-block; padding: .65rem 1.05rem; border-radius: 999px;
  font: 500 .68rem/1 var(--sans); letter-spacing: .22em; text-transform: uppercase; color: var(--mist);
  border: 1px solid rgba(236,233,242,.2); transition: color .3s, border-color .3s, background .3s, box-shadow .3s;
}
.channels span[data-channel="sr"] { --c: var(--sr); } .channels span[data-channel="gym"] { --c: var(--gym); } .channels span[data-channel="ct"] { --c: var(--ct); }
.channels label:hover span { border-color: var(--c); color: var(--bone); }
.channels input:checked + span { color: var(--void); background: var(--c); border-color: var(--c); box-shadow: 0 0 24px -4px var(--c); }
.consent { display: grid; grid-template-columns: auto 1fr; gap: .8rem; font-size: .85rem; color: var(--ash); align-items: start; }
.consent input { width: 17px; height: 17px; margin: .2rem 0 0; accent-color: var(--signal); }
.consent a { color: var(--mist); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.signup .btn { justify-self: start; }
.form-status { margin: 0; min-height: 1.4em; font: italic 400 1.15rem var(--serif); }
.form-status.ok { color: var(--signal); }
.form-status.err { color: var(--sr); }

/* ---------- Footer ---------- */
.foot { padding: clamp(80px, 14vh, 140px) var(--gutter) max(40px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 1.6rem 2rem; align-items: end; color: var(--ash); font-size: .85rem; }
.foot-mark { grid-column: 1 / -1; margin: 0; line-height: 0; }
.foot-mark img { width: min(100%, 640px); height: auto; opacity: .95; }
.foot-line { grid-column: 1 / -1; margin: 0 0 1.6rem; font: italic 400 clamp(1.6rem, 3vw, 2.4rem) var(--serif); color: var(--mist); }
.foot ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .6rem 1.8rem; }
.foot a { color: var(--mist); text-decoration: none; letter-spacing: .04em; }
.foot a:hover { color: var(--bone); }
.foot-note { margin: 0; }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr; } }

/* ---------- Legal page ---------- */
.legal { padding: 150px var(--gutter) 90px; max-width: 760px; }
.legal h1 { font: italic 400 clamp(2.6rem, 6vw, 4.2rem)/.95 var(--serif); margin: 0 0 1.5rem; }
.legal h2 { font: 500 .78rem/1.3 var(--sans); letter-spacing: .24em; text-transform: uppercase; color: var(--signal); margin: 2.4rem 0 .7rem; }
.legal p, .legal li { color: var(--mist); max-width: 62ch; font-weight: 300; }
.legal .updated { color: var(--ash); }

@media (prefers-reduced-motion: reduce) {
  .ch-panel, .ch-bg, .ch-name, .ch-line, .tee figure, .tee img, .hero-copy { transition: none !important; }
}