/* ============================================================
   gavriel studio — logo animation
   Single timeline driven by `.logo[data-state]`.
   Phases: 0 enter, 1 idle, 2 wink (on click or auto)
   ============================================================ */

:root {
  --bg: #f4f1ec;
  --bg-grain: #ece7e0;
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --accent: #1a1a1a;

  /* Timing tokens — keep the loop short and clean */
  --t-letter: 480ms;          /* per-letter drop-in */
  --t-char: 620ms;           /* character pop-in */
  --t-spark: 520ms;          /* sparkle twinkle */
  --t-tagline: 600ms;        /* tagline fade */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);  /* smooth ease-out for entries */
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1); /* soft overshoot for character */

  /* Stagger knobs */
  --letter-stagger: 70ms;
  --spark-stagger: 110ms;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Nunito", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  min-height: 100svh;
}

body {
  /* Subtle paper-grain via layered radial gradient */
  background:
    radial-gradient(circle at 30% 20%, rgba(0,0,0,0.015), transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(0,0,0,0.015), transparent 60%),
    var(--bg);
}

/* ===== Stage layout ===== */
.stage {
  position: relative;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 1.5rem;
}

.logo {
  width: min(560px, 90vw);
  height: auto;
  display: block;
  user-select: none;
  /* Use a transform-origin so the character can rotate from its center */
}

/* ============================================================
   PHASE 0 — Letters enter from a soft drop + fade
   Each letter is delayed via per-letter `--i` set inline.
   ============================================================ */
.letter {
  opacity: 0;
  transform: translateY(-22px) scale(0.94);
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: letter-in var(--t-letter) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * var(--letter-stagger));
}

@keyframes letter-in {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ============================================================
   PHASE 1 — The character pops in where the 'o' would be.
   Tiny scale-up with a hint of overshoot, then settles.
   Triggered last so it caps the cascade.
   ============================================================ */
.character {
  opacity: 0;
  transform: translate(343px, 220px) scale(0.2) rotate(-18deg);
  transform-origin: center;
  animation: char-in var(--t-char) var(--ease-bounce) forwards;
  /* Top row is 7 letters; character lands right after them.
     7 * 70ms + 120ms breath = ~610ms. Add a tiny pause. */
  animation-delay: 720ms;
}

@keyframes char-in {
  0% {
    opacity: 0;
    transform: translate(343px, 220px) scale(0.2) rotate(-18deg);
  }
  60% {
    opacity: 1;
    transform: translate(343px, 220px) scale(1.08) rotate(4deg);
  }
  100% {
    opacity: 1;
    transform: translate(343px, 220px) scale(1) rotate(0);
  }
}

/* Subtle continuous "breathing" once the character lands.
   Applied AFTER the entry animation completes. */
.logo[data-state="idle"] .character {
  animation:
    char-in var(--t-char) var(--ease-bounce) forwards,
    char-breathe 3.6s ease-in-out 1.6s infinite;
}

@keyframes char-breathe {
  0%, 100% { transform: translate(343px, 220px) scale(1); }
  50%      { transform: translate(343px, 218px) scale(1.025); }
}

/* Eyes blink on a long loop. We don't blink on entry — wait until
   the character has settled. */
.logo[data-state="idle"] .char-eyes {
  animation: blink 5.2s ease-in-out 2.4s infinite;
  transform-origin: center;
}

@keyframes blink {
  0%, 92%, 100% { transform: scaleY(1); }
  94%, 97%      { transform: scaleY(0.1); }
}

/* Wink mode: triggered on click — right eye closes, body tilts slightly */
.logo[data-state="wink"] .char-eyes {
  animation: wink 900ms ease-out forwards;
}
.logo[data-state="wink"] .character {
  /* Override the breathing transform during the wink */
  animation:
    char-in var(--t-char) var(--ease-bounce) forwards,
    wink-tilt 900ms ease-out forwards;
}

@keyframes wink {
  0%, 100% { transform: scaleY(1); }
  20%, 70% { transform: scaleY(1); }
  35%, 55% { transform: scaleY(0.1); }
}
@keyframes wink-tilt {
  0%, 100% { transform: translate(343px, 220px) rotate(0); }
  30%      { transform: translate(343px, 220px) rotate(-6deg) scale(1.02); }
  60%      { transform: translate(343px, 220px) rotate(3deg) scale(1.02); }
}

/* Char body has a gentle pulse on entry that fades to steady.
   Implemented via the body fill, not transform — keeps the
   position transform stable for breathing. */
.char-body {
  animation: body-settle 1.4s var(--ease-out) forwards;
  animation-delay: 1.0s;
  transform-origin: center;
}
@keyframes body-settle {
  0%   { filter: brightness(0.92); }
  100% { filter: brightness(1); }
}

/* ============================================================
   PHASE 2 — Sparkles twinkle in (last 3 decorations)
   ============================================================ */
.sparkles {
  position: absolute;
  bottom: 7%;
  right: 7%;
  width: 110px;
  height: 110px;
  pointer-events: none;
}

.spark {
  position: absolute;
  width: 28px;
  height: 28px;
  color: var(--ink);
  opacity: 0;
  transform: scale(0.4) rotate(0deg);
  animation: spark-in var(--t-spark) var(--ease-bounce) forwards;
}

.spark-1 { top: 20px; left: 30px; animation-delay: 1.4s; }
.spark-2 { top: 60px; left: 0;  animation-delay: calc(1.4s + var(--spark-stagger)); width: 18px; height: 18px; }
.spark-3 { top: 0;  left: 70px; animation-delay: calc(1.4s + var(--spark-stagger) * 2); width: 22px; height: 22px; }

@keyframes spark-in {
  0% {
    opacity: 0;
    transform: scale(0.4) rotate(0deg);
  }
  60% {
    opacity: 1;
    transform: scale(1.2) rotate(45deg);
  }
  100% {
    opacity: 0.85;
    transform: scale(1) rotate(45deg);
  }
}

/* After entry, sparkles shimmer subtly — staggered so they don't sync */
.logo[data-state="idle"] .spark-1 {
  animation:
    spark-in var(--t-spark) var(--ease-bounce) forwards,
    spark-shimmer 2.6s ease-in-out 2.4s infinite;
}
.logo[data-state="idle"] .spark-2 {
  animation:
    spark-in var(--t-spark) var(--ease-bounce) forwards,
    spark-shimmer 3.1s ease-in-out 2.7s infinite;
}
.logo[data-state="idle"] .spark-3 {
  animation:
    spark-in var(--t-spark) var(--ease-bounce) forwards,
    spark-shimmer 2.9s ease-in-out 3.0s infinite;
}

@keyframes spark-shimmer {
  0%, 100% { opacity: 0.85; transform: scale(1) rotate(45deg); }
  50%      { opacity: 0.45; transform: scale(0.78) rotate(45deg); }
}

/* ============================================================
   Tagline
   ============================================================ */
.tagline {
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: tagline-in var(--t-tagline) var(--ease-out) forwards;
  animation-delay: 1.9s;
}

@keyframes tagline-in {
  to { opacity: 0.75; transform: translateX(-50%) translateY(-4px); }
}

/* ============================================================
   Replay button
   ============================================================ */
.replay {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(26, 26, 26, 0.18);
  border-radius: 9999px;
  font: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.4s var(--ease-out), background-color 0.2s, transform 0.15s;
  animation: fade-in 600ms var(--ease-out) forwards;
  animation-delay: 2.6s;
}
.replay:hover {
  background: rgba(26, 26, 26, 0.06);
}
.replay:active {
  transform: scale(0.97);
}
.replay svg {
  display: block;
}

@keyframes fade-in {
  to { opacity: 0.85; }
}
.replay:hover { opacity: 1; }

/* ============================================================
   Mobile tightening
   ============================================================ */
@media (max-width: 540px) {
  .sparkles {
    width: 90px;
    height: 90px;
    bottom: 5%;
    right: 5%;
  }
  .spark-1 { width: 22px; height: 22px; }
  .spark-2 { width: 14px; height: 14px; }
  .spark-3 { width: 18px; height: 18px; }
  .tagline { font-size: 0.7rem; bottom: 6%; }
  .replay { top: 1rem; right: 1rem; padding: 0.5rem 0.8rem; font-size: 0.78rem; }
}

/* ============================================================
   Reduced motion: skip the entry animation, hold the final pose
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .letter, .character, .char-body, .spark, .tagline, .replay {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
  }
  .letter { opacity: 1; transform: none; }
  .character {
    opacity: 1;
    transform: translate(343px, 220px) scale(1) rotate(0);
  }
  .spark { opacity: 0.85; transform: scale(1) rotate(45deg); }
  .tagline { opacity: 0.75; transform: translateX(-50%); }
  .replay { opacity: 0.85; }
}