/* ScrollUGC design language
   Light, quiet paper surfaces (CRED home/cards) broken by flat blocks of hard colour: cobalt and
   marker yellow. No glows, no neon, no gradients on chrome. Sharp 3px corners everywhere.
   Spaced uppercase micro-labels, big tight headlines, serif italics for emphasis, mono for numbers. */

:root {
  --bg: #F3F2EE;
  --surface: #FFFFFF;
  --surface-2: #ECEBE6;
  --ink: #0B0B0C;
  --ink-2: #3A3A3D;
  --muted: #86868B;
  --line: #E2E1DB;
  --line-strong: #CFCEC7;

  --black: #0A0A0B;
  --black-2: #151517;
  --black-3: #1F1F22;
  --black-line: #2A2A2E;
  --on-black: #F5F5F2;
  --on-black-muted: #8E8E93;

  --hook: #1D3BFF;          /* signature accent: hard cobalt */
  --hook-ink: #FFFFFF;
  --hook-soft: #E7EBFF;
  --blue: #1D3BFF;
  --blue-2: #1530D9;
  --yellow: #FFD60A;        /* marker yellow, always with ink text */
  --mint: #19C37D;          /* success / views up (CRED's green) */
  --mint-soft: #E6F8EF;
  --warn: #F08A24;
  --danger: #E5484D;

  --r-sm: 2px;
  --r: 3px;
  --r-lg: 3px;
  --r-xl: 3px;
  --pill: 3px;

  --shadow-1: 0 1px 0 rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);
  --shadow-2: 0 1px 2px rgba(0,0,0,.05), 0 8px 20px -10px rgba(0,0,0,.18);
  --shadow-3: 0 18px 40px -18px rgba(0,0,0,.35);
  --hard: 3px 3px 0 var(--ink);   /* crisp offset shadow for hover states */
  /* CRED's soft "pressed into paper" button edge */
  --edge: inset 0 -2px 0 rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.08);

  --font: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", ui-serif, Georgia, serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --ease: cubic-bezier(.2,.8,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --spring: cubic-bezier(.34,1.56,.64,1);
  --fast: 140ms;
  --med: 260ms;
  --slow: 520ms;

  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--font); font-size: 16px; line-height: 1.5;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea { font: inherit; color: inherit; }
::selection { background: var(--hook); color: var(--hook-ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 3px; }
.dark :focus-visible, .on-black :focus-visible { outline-color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- type ---------- */
.label {
  font-size: 12px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
}
.mono { font-family: var(--mono); font-feature-settings: "tnum"; }
.serif { font-family: var(--serif); font-weight: 400; font-style: italic; letter-spacing: -.01em; }
.h-display {
  font-size: clamp(44px, 7.4vw, 104px); line-height: .94; letter-spacing: -.045em; font-weight: 600; margin: 0;
}
.h-1 { font-size: clamp(36px, 5vw, 68px); line-height: 1; letter-spacing: -.04em; font-weight: 600; margin: 0; }
.h-2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.05; letter-spacing: -.035em; font-weight: 600; margin: 0; }
.h-3 { font-size: 20px; line-height: 1.25; letter-spacing: -.02em; font-weight: 600; margin: 0; }
.lede { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink-2); line-height: 1.5; max-width: 34em; }
.dark .lede, .on-black .lede { color: var(--on-black-muted); }

/* ---------- logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 650; letter-spacing: -.03em; font-size: 19px; }
.logo-mark { width: 26px; height: 26px; flex: none; }
.logo-mark .thumb { transform-origin: 13px 9px; transition: transform var(--med) var(--spring); }
.logo:hover .logo-mark .thumb { transform: translateY(5px); }

/* ---------- buttons ---------- */
.btn {
  --h: 48px;
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--h); padding: 0 22px; border-radius: var(--pill);
  font-weight: 600; font-size: 15px; letter-spacing: -.01em; white-space: nowrap;
  transition: transform var(--fast) var(--ease), background var(--fast), box-shadow var(--med) var(--ease), color var(--fast);
  -webkit-tap-highlight-color: transparent; user-select: none; overflow: hidden; isolation: isolate;
}
.btn:active { transform: translate(0, 0) scale(.97); box-shadow: none; }
.btn-sm { --h: 38px; padding: 0 16px; font-size: 14px; }
.btn-lg { --h: 56px; padding: 0 28px; font-size: 16px; }
.btn-black { background: var(--ink); color: #fff; box-shadow: 0 0 0 0 var(--blue); }
.btn-black:hover { transform: translate(-2px, -2px); box-shadow: 3px 3px 0 var(--blue); }
.btn-white { background: #fff; color: var(--ink); box-shadow: var(--edge); }
.btn-white:hover { transform: translate(-2px, -2px); box-shadow: var(--hard); }
.btn-hook { background: var(--blue); color: #fff; }
.btn-hook:hover { transform: translate(-2px, -2px); box-shadow: var(--hard); }
.btn-yellow { background: var(--yellow); color: var(--ink); }
.btn-yellow:hover { transform: translate(-2px, -2px); box-shadow: var(--hard); }
.btn-ghost { border: 1px solid var(--line-strong); background: transparent; }
.btn-ghost:hover { background: var(--surface); border-color: var(--ink); }
.dark .btn-ghost, .on-black .btn-ghost { border-color: var(--black-line); color: var(--on-black); }
.dark .btn-ghost:hover, .on-black .btn-ghost:hover { background: var(--black-3); border-color: #444; }
.btn[disabled], .btn.is-disabled { opacity: .38; pointer-events: none; }
.btn .arrow {
  display: grid; place-items: center; width: 26px; height: 26px; border-radius: 2px;
  background: rgba(255,255,255,.14); margin-right: -10px; transition: transform var(--med) var(--spring);
}
.btn-white .arrow, .btn-hook .arrow { background: rgba(0,0,0,.08); }
.btn:hover .arrow { transform: translateX(3px); }
/* shine sweep on hover */
.btn-shine::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.28) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform 0s;
}
.btn-shine:hover::after { transform: translateX(120%); transition: transform 700ms var(--ease); }
/* click ripple */
.ripple { position: absolute; border-radius: 50%; transform: scale(0); background: currentColor; opacity: .22; pointer-events: none; animation: ripple 520ms var(--ease-out) forwards; z-index: -1; }
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

.kbd {
  display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 5px;
  border: 1px solid currentColor; border-radius: 3px; font: 500 11px/1 var(--mono); opacity: .5;
}

/* ---------- chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px;
  border-radius: var(--pill); border: 1px solid var(--line); background: var(--surface);
  font-size: 13px; font-weight: 500; color: var(--ink-2); box-shadow: var(--shadow-1);
}
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 3px var(--mint-soft); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px transparent; } }
.dark .chip, .on-black .chip { background: var(--black-2); border-color: var(--black-line); color: var(--on-black); }
.chip-reward { border-color: #9BE8C6; background: var(--mint-soft); color: #0E6B45; }

/* ---------- cards ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-1); }
.dark .card, .on-black .card { background: var(--black-2); border-color: var(--black-line); }

/* ---------- inputs ---------- */
.field { position: relative; display: block; }
.field input {
  width: 100%; height: 54px; padding: 22px 16px 6px; border-radius: 3px;
  border: 1px solid var(--line-strong); background: var(--surface); outline: none;
  transition: border-color var(--fast), box-shadow var(--med) var(--ease), background var(--fast);
}
.field input:hover { border-color: #b5b4ad; }
.field input:focus { border-color: var(--ink); box-shadow: 3px 3px 0 var(--blue); }
.field span {
  position: absolute; left: 17px; top: 17px; font-size: 15px; color: var(--muted); pointer-events: none;
  transform-origin: left top; transition: transform var(--med) var(--ease), color var(--fast);
}
.field input:focus + span, .field input:not(:placeholder-shown) + span { transform: translateY(-10px) scale(.76); }
.field.err input { border-color: var(--danger); animation: shake 360ms var(--ease); }
.field .hint { font-style: normal; display: block; font-size: 12.5px; color: var(--danger); margin: 6px 2px 0; min-height: 0; }
@keyframes shake { 20%,60% { transform: translateX(-5px); } 40%,80% { transform: translateX(5px); } }

/* ---------- reveal on scroll ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 700ms var(--ease-out), transform 800ms var(--ease-out); transition-delay: var(--d, 0ms); }
.rv.in { opacity: 1; transform: none; }
.rv-scale { opacity: 0; transform: scale(.94) translateY(20px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); transition-delay: var(--d, 0ms); }
.rv-scale.in { opacity: 1; transform: none; }

/* split headline words */
.split .w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .18em; margin-bottom: -.18em; }
.split .w > i { display: inline-block; font-style: inherit; transform: translateY(105%); transition: transform 800ms var(--ease-out); transition-delay: calc(var(--i) * 45ms + var(--d, 0ms)); }
.split.in .w > i { transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; scroll-behavior: auto !important; }
  .rv, .rv-scale, .split .w > i { opacity: 1; transform: none; }
}

/* ---------- shared toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: var(--pill); font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-3); transition: transform var(--med) var(--spring); display: flex; gap: 10px; align-items: center;
}
.toast.show { transform: translate(-50%, 0); }
.toast i { width: 8px; height: 8px; border-radius: 1px; background: var(--yellow); }

/* ---------- announcement bar ---------- */
:root { --ann-h: 0px; }
.ann { position: sticky; top: 0; z-index: 60; display: flex; align-items: center; height: 36px; background: var(--blue); color: #fff; overflow: hidden; transition: margin-top 240ms var(--ease); }
.ann.closing { margin-top: -36px; }
.ann-run { display: flex; flex: 1; min-width: 0; overflow: hidden; -webkit-mask: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.ann-track { display: flex; align-items: center; flex: none; animation: annRun 60s linear infinite; }
.ann:hover .ann-track { animation-play-state: paused; }
@keyframes annRun { to { transform: translateX(-100%); } }
.ann a { font: 500 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; padding: 0 22px; color: #fff; transition: color var(--fast); }
.ann a:hover { color: var(--yellow); }
.ann i { width: 5px; height: 5px; background: var(--yellow); flex: none; }
.ann-x { flex: none; width: 36px; height: 36px; color: rgba(255,255,255,.8); font-size: 18px; line-height: 1; border-left: 1px solid rgba(255,255,255,.2); background: var(--blue); }
.ann-x:hover { color: #fff; background: var(--blue-2); }
@media (max-width: 600px) { .ann { height: 32px; } .ann.closing { margin-top: -32px; } .ann-x { width: 32px; height: 32px; } .ann a { font-size: 11px; padding: 0 16px; } }
@media (prefers-reduced-motion: reduce) { .ann-track { animation: none; } }