/* === Reset & Base === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #080a14;
  --bg-card: rgba(255, 255, 255, 0.92);
  --border-card: rgba(201, 169, 110, 0.25);
  --text-primary: #e8e6e3;
  --text-secondary: #9a9590;
  --text-quote: #1a1a2e;
  --text-author: #5a4a30;
  --accent-gold: #c9a96e;
  --accent-gold-bright: #e8c882;
  --accent-gold-soft: rgba(201, 169, 110, 0.15);
  --accent-glow: rgba(201, 169, 110, 0.4);
  --font-serif: 'Noto Serif KR', 'Playfair Display', Georgia, serif;
  --font-display: 'Playfair Display', 'Noto Serif KR', Georgia, serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-serif);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-x: hidden;
  position: relative;
}

/* === Ambient Background Glow === */
body::before {
  content: '';
  position: fixed;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(
    ellipse at center,
    rgba(201, 169, 110, 0.08) 0%,
    rgba(100, 80, 50, 0.04) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(
    ellipse at center,
    rgba(120, 140, 200, 0.06) 0%,
    rgba(80, 100, 160, 0.03) 30%,
    transparent 70%
  );
  pointer-events: none;
  z-index: 0;
}

/* === Background Particles === */
.bg-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-gold-bright);
  opacity: 0;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.7;
  }
  50% {
    opacity: 0.4;
  }
  90% {
    opacity: 0.15;
  }
  100% {
    opacity: 0;
    transform: translateY(-20vh) scale(1);
  }
}

/* === Layout === */
.container {
  width: 100%;
  max-width: 720px;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* === Header === */
.header {
  text-align: center;
  margin-bottom: 3rem;
  animation: fadeInDown 1s ease-out;
}

.logo-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  filter: drop-shadow(0 0 20px var(--accent-glow));
}

.site-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent-gold-bright);
  text-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(201, 169, 110, 0.15);
  margin-bottom: 0.5rem;
}

.site-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* === Quote Card === */
.card-wrapper {
  width: 100%;
  perspective: 1000px;
  margin-bottom: 3rem;
}

.quote-card {
  position: relative;
  background: linear-gradient(170deg, #ffffff 0%, #faf6ee 40%, #f5edd8 100%);
  border: 1px solid rgba(201, 169, 110, 0.35);
  border-radius: 20px;
  padding: 3.5rem 2.5rem;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.3),
    0 0 80px rgba(201, 169, 110, 0.2),
    0 0 160px rgba(201, 169, 110, 0.1),
    0 0 240px rgba(201, 169, 110, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  animation: cardReveal 1.2s ease-out 0.3s both;
  overflow: hidden;
}

/* Top gold accent line */
.quote-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    transparent,
    var(--accent-gold) 15%,
    var(--accent-gold-bright) 50%,
    var(--accent-gold) 85%,
    transparent
  );
  opacity: 0.8;
}

/* Subtle card inner glow */
.quote-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 120px;
  background: radial-gradient(
    ellipse at top center,
    rgba(232, 200, 130, 0.15) 0%,
    rgba(201, 169, 110, 0.05) 40%,
    transparent 70%
  );
  pointer-events: none;
}

/* Corner decorations */
.card-decoration {
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--accent-gold);
  opacity: 0.3;
  z-index: 1;
}

.card-decoration.top-left {
  top: 12px;
  left: 12px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.card-decoration.top-right {
  top: 12px;
  right: 12px;
  border-top: 2px solid;
  border-right: 2px solid;
}

.card-decoration.bottom-left {
  bottom: 12px;
  left: 12px;
  border-bottom: 2px solid;
  border-left: 2px solid;
}

.card-decoration.bottom-right {
  bottom: 12px;
  right: 12px;
  border-bottom: 2px solid;
  border-right: 2px solid;
}

/* Quote marks */
.quote-mark {
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 1;
  color: var(--accent-gold);
  opacity: 0.35;
  user-select: none;
  position: relative;
  z-index: 1;
}

.quote-mark.open {
  text-align: left;
  margin-bottom: -1rem;
}

.quote-mark.close {
  text-align: right;
  margin-top: -0.5rem;
}

/* Quote text */
.quote-message {
  font-size: 1.35rem;
  line-height: 2;
  color: var(--text-quote);
  text-align: center;
  padding: 1rem 0.5rem;
  word-break: keep-all;
  animation: textFadeIn 1.5s ease-out 0.8s both;
  position: relative;
  z-index: 1;
}

.quote-divider {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
  margin: 1.5rem auto;
  opacity: 0.6;
  position: relative;
  z-index: 1;
}

.quote-author {
  font-size: 1rem;
  color: var(--text-author);
  text-align: center;
  letter-spacing: 0.1em;
  font-weight: 400;
  animation: textFadeIn 1.5s ease-out 1.2s both;
  position: relative;
  z-index: 1;
}

.quote-author::before {
  content: '— ';
}

/* === Footer === */
.footer {
  text-align: center;
  animation: fadeInUp 1s ease-out 1.5s both;
}

.footer-text {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.visitor-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.visitor-badge span {
  color: var(--accent-gold-bright);
  font-weight: 700;
  font-size: 0.8rem;
}

.visitor-badge.total {
  border-color: rgba(201, 169, 110, 0.2);
}

.copyright {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.kakao-notice {
  font-size: 0.75rem;
  color: var(--text-secondary);
  opacity: 0.6;
  letter-spacing: 0.02em;
}

/* === Animations === */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardReveal {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes textFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* === Responsive === */
@media (max-width: 600px) {
  .container {
    padding: 1.5rem 1rem;
  }

  .site-title {
    font-size: 1.6rem;
  }

  .quote-card {
    padding: 2rem 1.5rem;
    border-radius: 16px;
  }

  .quote-message {
    font-size: 1.1rem;
    line-height: 1.9;
  }

  .quote-mark {
    font-size: 3rem;
  }

  .header {
    margin-bottom: 2rem;
  }

  .card-wrapper {
    margin-bottom: 2rem;
  }
}

@media (max-width: 380px) {
  .quote-card {
    padding: 1.5rem 1rem;
  }

  .quote-message {
    font-size: 1rem;
  }
}