/* ============================================
   Tokens
   ============================================ */
:root {
  --bg-deep: #0a0710;
  --bg-plum: #140b1e;
  --bg-plum-2: #1c0f28;
  --wine: #6e2440;
  --wine-bright: #9c3a5c;
  --lilac: #a889c4;
  --lilac-soft: rgba(168, 137, 196, 0.35);
  --gold: #c9a86a;
  --ink: #efe6ea;
  --ink-dim: rgba(239, 230, 234, 0.68);
  --ink-faint: rgba(239, 230, 234, 0.42);

  --serif: 'Cormorant Garamond', 'Georgia', serif;
  --display: 'Playfair Display', 'Georgia', serif;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg-deep);
  color: var(--ink);
  font-family: var(--serif);
}

body {
  overflow-x: hidden;
  position: relative;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   Background canvas (particles)
   ============================================ */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg-plum-2) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 15% 100%, rgba(110, 36, 64, 0.35) 0%, transparent 60%),
    var(--bg-deep);
}

/* ============================================
   Gate (passcode screen)
   ============================================ */
.gate {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  transition: opacity 1s var(--ease), visibility 1s var(--ease);
}

.gate.is-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.gate-inner {
  text-align: center;
  animation: gate-in 1.1s var(--ease) both;
}

@keyframes gate-in {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.gate-eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1rem, 2.4vw, 1.2rem);
  color: var(--ink-faint);
  letter-spacing: 0.02em;
  margin: 0 0 28px;
}

.gate-form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.gate-input {
  width: 168px;
  padding: 14px 18px;
  font-family: var(--display);
  font-size: 1.6rem;
  letter-spacing: 0.5em;
  text-align: center;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--lilac-soft);
  border-radius: 2px;
  outline: none;
  transition: border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.gate-input::placeholder {
  color: var(--ink-faint);
  letter-spacing: 0.5em;
}

.gate-input:focus {
  border-color: var(--lilac);
  box-shadow: 0 0 0 1px var(--lilac-soft), 0 0 24px rgba(168, 137, 196, 0.18);
}

.gate-input.is-shaking {
  animation: shake 0.45s ease;
  border-color: var(--wine-bright);
}

@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

.gate-submit {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--lilac-soft);
  border-radius: 2px;
  color: var(--ink-dim);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), color 0.3s var(--ease), background 0.3s var(--ease);
}

.gate-submit:hover {
  border-color: var(--lilac);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.03);
}

.gate-error {
  min-height: 1.4em;
  margin: 20px 0 0;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--wine-bright);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.gate-error.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.gate-hint {
  margin: 18px 0 0;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--ink-faint);
  letter-spacing: 0.01em;
}

/* ============================================
   Main content
   ============================================ */
.content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(60px, 10vh, 120px) 20px 100px;
  opacity: 0;
  visibility: hidden;
}

.content.is-revealed {
  opacity: 1;
  visibility: visible;
  transition: opacity 1.4s var(--ease);
}

.glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(90px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.28;
}

.glow-one {
  width: 42vw;
  height: 42vw;
  max-width: 520px;
  max-height: 520px;
  background: var(--wine);
  top: -10%;
  left: -12%;
}

.glow-two {
  width: 36vw;
  height: 36vw;
  max-width: 460px;
  max-height: 460px;
  background: var(--lilac);
  bottom: -8%;
  right: -10%;
  opacity: 0.16;
}

/* ============================================
   Letter card
   ============================================ */
.letter {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  background: linear-gradient(180deg, rgba(28, 15, 40, 0.55) 0%, rgba(20, 11, 30, 0.65) 100%);
  border: 1px solid rgba(168, 137, 196, 0.14);
  border-radius: 3px;
  padding: clamp(32px, 6vw, 64px) clamp(24px, 6vw, 56px);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(24px);
}

.content.is-revealed .letter {
  animation: letter-in 1.3s var(--ease) 0.3s forwards;
}

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

.letter-head {
  text-align: center;
  margin-bottom: clamp(28px, 5vw, 44px);
}

.letter-kicker {
  font-family: var(--display);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--gold);
  margin: 0;
  letter-spacing: 0.01em;
}

.letter-body {
  font-size: clamp(1.08rem, 1.6vw, 1.22rem);
  line-height: 1.75;
  color: var(--ink-dim);
}

.letter-body p {
  margin: 0 0 1.15em;
  max-width: 62ch;
}

.letter-quote {
  font-style: italic;
  color: var(--ink);
  padding-left: 18px;
  border-left: 1px solid var(--lilac-soft);
}

.letter-emphasis {
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(1.5rem, 3.2vw, 1.9rem);
  color: var(--gold);
  text-align: center;
  margin: 1.6em 0 1em !important;
}

.letter-signature {
  text-align: center;
  color: var(--ink);
  font-size: 1.05em;
  line-height: 1.7;
  margin-top: 1.4em !important;
}

.signature-name {
  display: inline-block;
  margin-top: 0.4em;
  font-family: var(--display);
  font-style: italic;
  color: var(--lilac);
  letter-spacing: 0.02em;
}

/* ============================================
   Timer
   ============================================ */
.timer {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 640px;
  margin-top: clamp(40px, 7vw, 64px);
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
}

.content.is-revealed .timer {
  animation: letter-in 1.3s var(--ease) 0.75s forwards;
}

.timer-label {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-faint);
  margin: 0 0 18px;
  letter-spacing: 0.03em;
}

.timer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(10px, 2.4vw, 20px);
}

.timer-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
  padding: 14px 10px;
  border: 1px solid rgba(168, 137, 196, 0.12);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.015);
}

.timer-value {
  font-family: var(--display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.timer-name {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--ink-faint);
  font-style: italic;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 480px) {
  .timer-unit {
    min-width: 52px;
    padding: 10px 6px;
  }
  .gate-input {
    width: 140px;
    letter-spacing: 0.4em;
  }
}