/* ==========================================================================
   ECLIPSE — teaser
   Palette + sizing live in :root. The reveal geometry is derived from the
   corona artwork: the dark moon in corona.jpg is 61.33% of the image width,
   so  corona size = moon size / 0.6133  keeps the ring hugging the disc.
   ========================================================================== */

:root {
  --void:  #050505;
  --ink:   #020202;
  --text:  #ece6da;
  --dim:   #8d8578;
  --faint: #57514a;
  --gold:  #c9a063;
  --ember: #f0a343;
  --flare: #ffd9a0;

  /* size of the wheel (and the stage it sits on) */
  --scene: min(50vmin, 40svh, 470px);
  /* moon slightly larger than the wheel so it fully hides it at the start */
  --moon:   calc(var(--scene) * 1.06);
  --corona: calc(var(--scene) * 1.702);   /* 1.06 / 0.6230 (moon dia ÷ corona.png size) */
}

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

html { color-scheme: dark; }

body {
  background: var(--void);
  color: var(--text);
  font-family: 'Saira', 'Segoe UI', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

/* fine film grain over everything — kills the "flat black" look */
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 9;
  pointer-events: none;
  opacity: .05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--gold); color: var(--ink); }

.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;
}

/* ---------- backdrop ---------- */

#stars {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  opacity: 0;
  animation: stars-in 3s ease 0.4s forwards;
}
@keyframes stars-in { to { opacity: 1; } }

/* ---------- page frame ---------- */

.hero {
  position: relative; z-index: 1;
  min-height: 100svh;
  display: flex; flex-direction: column; align-items: center;
  padding: max(4.5svh, env(safe-area-inset-top))
           max(24px, env(safe-area-inset-right))
           max(3svh, env(safe-area-inset-bottom))
           max(24px, env(safe-area-inset-left));
  overflow: hidden;
}

/* ---------- wordmark ---------- */

.mark {
  text-align: center; position: relative; z-index: 4;
  /* reserve headroom so the eclipse sits clear of the wordmark */
  padding-bottom: calc(var(--scene) * 0.10);
}
.mark h1 {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  font-weight: 200; font-size: clamp(16px, 2.1vw, 20px);
  letter-spacing: .58em; text-indent: .58em; /* balance the tracking */
  color: var(--text);
}
.mark-ring { width: 21px; height: 21px; flex: none; }
.mark-sub {
  margin-top: 7px;
  font-weight: 300; font-size: 8.5px; letter-spacing: .92em; text-indent: .92em;
  color: #746c5f;
}

/* ---------- the eclipse scene ---------- */

.scene {
  position: relative;
  width: var(--scene); height: var(--scene);
  margin: auto;              /* centres it in the leftover space */
  flex: none;
  cursor: none;
  touch-action: pan-y;       /* vertical scroll still works; drags become the torch */
  translate: 0 2svh;         /* visual nudge down, away from the wordmark */
}

.scene > * { position: absolute; }

/* -- wheel -- */

.wheel-slide {
  inset: 0; z-index: 1;
  transform: translate(24%, 3%);                     /* final resting place */
  animation: wheel-out 3.8s cubic-bezier(.16,.6,.18,1) 1.7s both;
}
@keyframes wheel-out { from { transform: translate(0, 0) scale(.97); } }

.wheel-box { position: absolute; inset: 0; }

.wheel-rot { position: absolute; inset: 0; animation: slow-spin 150s linear infinite; }
@keyframes slow-spin { to { transform: rotate(360deg); } }

.wheel-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border-radius: 50%;
  user-select: none; -webkit-user-drag: none;
  -webkit-touch-callout: none;
}

.wheel-base { filter: brightness(.72) contrast(1.08) sepia(.18) saturate(1.15) hue-rotate(-8deg); }

/* the torch-lit copy, clipped to a circle that follows the pointer */
.lit-clip {
  position: absolute; inset: 0;
  -webkit-mask-image: radial-gradient(circle 165px at var(--mx, -500px) var(--my, -500px), #000 30%, transparent 72%);
          mask-image: radial-gradient(circle 165px at var(--mx, -500px) var(--my, -500px), #000 30%, transparent 72%);
}
.wheel-lit { filter: sepia(.25) saturate(1.5) hue-rotate(-10deg) brightness(1.12) contrast(1.04); }

/* corona light kissing the rim on the moon side */
.rimlight {
  position: absolute; inset: 0; border-radius: 50%;
  background:
    radial-gradient(circle at 9% 42%,  rgba(255, 213, 150, .30), transparent 32%),
    radial-gradient(circle at 24% 30%, rgba(240, 163, 67, .10),  transparent 58%);
  mix-blend-mode: screen;
  pointer-events: none;
}

/* -- moon + corona -- */

.moon-slide {
  inset: 0; z-index: 2;
  transform: translate(-20%, -3%);                   /* final resting place */
  animation: moon-out 3.8s cubic-bezier(.16,.6,.18,1) 1.7s both;
  pointer-events: none;
}
@keyframes moon-out { from { transform: translate(0, 0); } }

.moon-idle {
  position: absolute; inset: 0;
  animation: drift 13s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate(.7%, -.5%); } }

.corona-wrap {
  position: absolute;
  width: var(--corona); height: var(--corona);
  left: 50%; top: 50%; translate: -50% -50%;
  animation:
    breathe 7s ease-in-out infinite alternate,
    appear 2s ease .15s both;
}
@keyframes breathe { to { transform: scale(1.02); } }
@keyframes appear { from { opacity: 0; } }

.corona {
  position: absolute; inset: 0; width: 100%; height: 100%;
  user-select: none; -webkit-user-drag: none;
}

/* rotating copies carry only the outer clouds (masked past the ring),
   so the baked-in flare/ring never orbits — the atmosphere just churns */
.corona-b, .corona-c {
  -webkit-mask-image: radial-gradient(circle, transparent 40%, #000 47%);
          mask-image: radial-gradient(circle, transparent 40%, #000 47%);
}
.corona-b { opacity: .5;  animation: churn-cw 240s linear infinite; }
.corona-c { opacity: .36; animation: churn-ccw 170s linear infinite; filter: hue-rotate(7deg) brightness(1.06); }
@keyframes churn-cw  { from { transform: scale(1.05) rotate(0deg); }   to { transform: scale(1.05) rotate(360deg); } }
@keyframes churn-ccw { from { transform: scale(.97) rotate(360deg); }  to { transform: scale(.97) rotate(0deg); } }

/* solar-wind particles streaming off the ring (drawn by app.js) */
.corona-fx {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none;
}

/* Baily's bead — an occasional glint travelling the eclipse edge (app.js places it) */
.bead {
  position: absolute;
  width: 3.5%; height: 3.5%;
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 240, 214, .95), rgba(242, 163, 67, .4) 45%, transparent 70%);
  filter: blur(1px);
  opacity: 0;
  pointer-events: none;
}
.bead.glint { animation: bead-glint 2.4s cubic-bezier(.3,.6,.4,1); }
@keyframes bead-glint {
  14% { opacity: .95; }
  32% { opacity: .4; }
  48% { opacity: .8; }
  100% { opacity: 0; }
}

/* breathing bloom over the baked-in diamond-ring flare */
.flare-dot {
  position: absolute;
  left: 30.3%; top: 26.6%;
  width: 7%; height: 7%;
  translate: -50% -50%;
  background: radial-gradient(circle, rgba(255, 226, 178, .9), rgba(240, 163, 67, .35) 45%, transparent 70%);
  filter: blur(4px);
  mix-blend-mode: screen;
  animation: flicker 11s ease-in-out infinite;
}
/* irregular, candle-like — never a metronome */
@keyframes flicker {
  0%, 100% { opacity: .55; }
  12% { opacity: .92; }
  21% { opacity: .6; }
  34% { opacity: .98; }
  47% { opacity: .68; }
  58% { opacity: 1; }
  71% { opacity: .58; }
  86% { opacity: .85; }
}

.moon {
  position: absolute;
  width: var(--moon); height: var(--moon);
  left: 50%; top: 50%; translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 36%, #0a0a0a, var(--ink) 72%);
  box-shadow: 0 0 46px 10px rgba(0, 0, 0, .55);
}

/* success pulse — JS adds .flare to <body> and the diamond ring blazes */
body.flare .flare-dot {
  animation: flarepulse 1.8s cubic-bezier(.2,.7,.3,1) 1;
}
@keyframes flarepulse {
  18% { opacity: 1; transform: scale(2.6); filter: blur(6px); }
}

/* -- torch halo -- */

.torch {
  z-index: 1;   /* above the wheel, below the moon: the disc occludes the light */
  width: 340px; height: 340px;
  left: 0; top: 0;
  translate: -50% -50%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 214, 150, .16), rgba(240, 163, 67, .05) 45%, transparent 68%);
  mix-blend-mode: screen;
  pointer-events: none;
  opacity: 0;
  transition: opacity .5s ease;
}
.scene.lit .torch { opacity: 1; }

/* ---------- message ---------- */

.content {
  text-align: center;
  display: flex; flex-direction: column; align-items: center;
  gap: 17px;
  margin-top: 3.4svh;
}

.whisper {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(19px, 2.6vw, 24px);
  color: #c7bfae;
  letter-spacing: .02em;
}

.eyebrow {
  font-weight: 400; font-size: 10.5px;
  letter-spacing: .5em; text-indent: .5em;
  color: var(--gold);
}

.count { display: flex; align-items: flex-start; gap: clamp(8px, 1.6vw, 18px); }
.cg { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.cd {
  font-weight: 200;
  font-size: clamp(31px, 6vw, 52px);
  line-height: 1;
  letter-spacing: .05em;
  min-width: 2.3ch;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.cl {
  font-weight: 300; font-size: 9.5px;
  letter-spacing: .42em; text-indent: .42em;
  text-transform: uppercase;
  color: #9a9184;
}
.csep {
  font-weight: 100;
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.15;
  color: var(--faint);
}

/* ---------- email capture ---------- */

.join { width: min(440px, 100%); margin-top: 6px; }
.join-row { display: flex; align-items: stretch; }

.join input[type="email"] {
  flex: 1; min-width: 0;
  background: transparent;
  border: 0; border-bottom: 1px solid rgba(255, 255, 255, .16);
  padding: 12px 4px;
  /* 16px minimum: anything smaller makes iOS zoom the page on focus */
  font-family: 'Saira', sans-serif; font-weight: 300; font-size: 16px;
  letter-spacing: .04em;
  color: var(--text);
  caret-color: var(--gold);
  border-radius: 0;
  transition: border-color .25s;
}
.join input[type="email"]::placeholder { color: var(--faint); }
.join input[type="email"]:focus { outline: none; border-bottom-color: var(--gold); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

.join button {
  margin-left: 22px;
  padding: 13px 26px;
  background: transparent;
  border: 1px solid rgba(201, 160, 99, .45);
  color: var(--gold);
  font-family: 'Saira', sans-serif; font-weight: 500; font-size: 11px;
  letter-spacing: .28em; text-indent: .28em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background .25s, color .25s, border-color .25s, opacity .25s;
}
.join button:hover, .join button:focus-visible { background: var(--gold); color: var(--ink); border-color: var(--gold); outline: none; }
.join button[disabled] { opacity: .45; pointer-events: none; }

.join-note { margin-top: 12px; font-weight: 300; font-size: 12px; letter-spacing: .05em; color: #968d7f; }
.join-status { margin-top: 8px; min-height: 17px; font-weight: 300; font-size: 12.5px; letter-spacing: .05em; color: #d98c6a; }
.join-status.ok { color: var(--gold); }

/* post-signup state (injected by JS) */
.joined h2 {
  font-family: 'Instrument Serif', serif; font-style: italic; font-weight: 400;
  font-size: clamp(21px, 3vw, 27px); color: var(--flare); letter-spacing: .02em;
}
.joined p { margin-top: 10px; font-weight: 300; font-size: 12px; letter-spacing: .22em; text-indent: .22em; text-transform: uppercase; color: var(--dim); }

/* ---------- footer ---------- */

.foot {
  margin-top: 3.2svh;
  font-weight: 300; font-size: 10.5px;
  letter-spacing: .38em; text-indent: .38em;
  color: #6f675c;
}

/* ---------- staggered entrance ---------- */

.reveal { animation: rise 1.4s cubic-bezier(.2,.7,.3,1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.r1 { animation-delay: 2.7s; }
.r2 { animation-delay: 3.0s; }
.r3 { animation-delay: 3.2s; }
.r4 { animation-delay: 3.6s; }
.r5 { animation-delay: 4.2s; }

/* ---------- small screens ---------- */

@media (max-width: 640px) {
  :root { --scene: min(78vmin, 36svh); }
  .hero {
    padding: max(4svh, env(safe-area-inset-top))
             max(20px, env(safe-area-inset-right))
             max(2.6svh, env(safe-area-inset-bottom))
             max(20px, env(safe-area-inset-left));
  }
  /* gentler slide so the whole eclipse stays in frame on a narrow screen */
  .wheel-slide { transform: translate(19%, 2%); }
  .moon-slide  { transform: translate(-13%, -2%); }
  .content { gap: 14px; margin-top: 2.8svh; }
  .join-row { flex-direction: column; }
  .join button { margin: 15px 0 0; padding: 15px 26px; }
  .foot { margin-top: 2.2svh; }
  .scene { cursor: auto; }
}

/* ---------- short desktop windows (laptops) ---------- */

@media (min-width: 641px) and (max-height: 800px) {
  .content { gap: 13px; margin-top: 2.8svh; }
  .cd { font-size: clamp(28px, 4.6vw, 42px); }
  .csep { font-size: clamp(24px, 3.8vw, 36px); }
  .whisper { font-size: clamp(18px, 2.2vw, 21px); }
  .foot { margin-top: 2.4svh; }
}

/* ---------- reduced motion: land on the final frame, no theatrics ---------- */

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  #stars { opacity: .8; }
}
