/* ==========================================================================
   MIKELANDJELO GIFTS — stylesheet
   Tema: Ninja Turtles / Michelangelo — mutageni zeleni neon + narančasta maska
   ========================================================================== */

/* ---------- 1. VARIJABLE / RESET ---------- */
:root {
  --black: #0a0a0f;
  --black-2: #121218;
  --black-3: #1a1a24;
  --black-4: #22222e;

  --green: #3dff6b;         /* mutageni ooze neon */
  --green-dim: #1fae4a;
  --green-deep: #0d5c2b;
  --green-rgb: 61, 255, 107;

  --orange: #ff7a1a;        /* Michelangelova maska */
  --orange-dim: #cc5c0f;
  --orange-rgb: 255, 122, 26;

  --white: #f2f2f5;
  --gray: #9494a0;
  --gray-dark: #55555f;

  --font-display: 'Bangers', cursive, sans-serif;
  --font-body: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;

  --shadow-green: 0 0 18px rgba(var(--green-rgb), .45), 0 0 40px rgba(var(--green-rgb), .15);
  --shadow-orange: 0 0 18px rgba(var(--orange-rgb), .45), 0 0 40px rgba(var(--orange-rgb), .15);

  --nav-height: 78px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
svg { display: block; }

section[id], header[id] { scroll-margin-top: var(--nav-height); }

::selection { background: var(--green); color: var(--black); }

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--black-2); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--green), var(--orange));
  border-radius: 10px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 2. UTILITIES ---------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.glow-green { color: var(--green); text-shadow: 0 0 12px rgba(var(--green-rgb), .6), 0 0 30px rgba(var(--green-rgb), .3); }
.glow-orange { color: var(--orange); text-shadow: 0 0 12px rgba(var(--orange-rgb), .6), 0 0 30px rgba(var(--orange-rgb), .3); }

.section { position: relative; padding: 110px 0; z-index: 1; }
.section:nth-child(even) { background: linear-gradient(180deg, var(--black-2), var(--black)); }

.section-header { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-tag {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--green);
  background: rgba(var(--green-rgb), .1);
  border: 1px solid rgba(var(--green-rgb), .3);
  padding: 7px 16px;
  border-radius: 100px;
  margin-bottom: 18px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 400;
  letter-spacing: .02em;
  color: var(--white);
  margin-bottom: 14px;
}
.section-desc { color: var(--gray); font-size: 1.02rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 100px;
  font-weight: 700;
  font-size: .98rem;
  letter-spacing: .02em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dim));
  color: #06210f;
  box-shadow: var(--shadow-green);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.03); box-shadow: 0 0 26px rgba(var(--green-rgb), .65), 0 0 60px rgba(var(--green-rgb), .25); }
.btn-primary svg { transition: transform .25s ease; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-secondary {
  background: transparent;
  color: var(--orange);
  border: 2px solid var(--orange);
}
.btn-secondary:hover { background: rgba(var(--orange-rgb), .12); box-shadow: var(--shadow-orange); transform: translateY(-3px); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--delay, 0s); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- 3. LOADER ---------- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: radial-gradient(circle at 50% 40%, #0f2216 0%, var(--black) 70%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s ease, visibility .6s ease;
}
.loader.loader-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-inner { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.loader-badge {
  position: relative; width: 92px; height: 92px;
  display: flex; align-items: center; justify-content: center;
}
.loader-ring {
  position: absolute; inset: 0;
  border: 4px solid rgba(var(--green-rgb), .15);
  border-top-color: var(--green);
  border-right-color: var(--orange);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.loader-photo {
  width: 72px; height: 72px;
  border-radius: 50%;
  object-fit: cover;
}
.loader-bar { width: 220px; height: 6px; background: var(--black-3); border-radius: 10px; overflow: hidden; }
.loader-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--green), var(--orange)); transition: width .2s ease; border-radius: 10px; }
.loader-text { font-size: .78rem; letter-spacing: .1em; color: var(--gray); text-align: center; }
.loader-text span { color: var(--green); font-weight: 700; }

/* ---------- 4. PARTICLES ---------- */
#particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ---------- 5. NAVBAR ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: var(--nav-height);
  display: flex; align-items: center;
  background: transparent;
  transition: background .35s ease, box-shadow .35s ease, height .35s ease;
}
.navbar.scrolled {
  background: rgba(10, 10, 15, .82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, .4);
  height: 68px;
}
.nav-container {
  width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-badge {
  position: relative; width: 42px; height: 42px; border-radius: 50%;
  background: linear-gradient(145deg, var(--black-3), var(--black-2));
  border: 2px solid var(--green);
  box-shadow: 0 0 14px rgba(var(--green-rgb), .5);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; flex-shrink: 0;
}
.logo-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.logo-letter { font-family: var(--font-display); color: var(--orange); font-size: 1.25rem; }
.logo-text { font-family: var(--font-display); font-size: 1.15rem; letter-spacing: .02em; color: var(--white); }
.logo-accent { color: var(--green); }

.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  position: relative;
  font-weight: 600; font-size: .92rem; letter-spacing: .02em;
  color: var(--gray); padding: 10px 16px; border-radius: 100px;
  transition: color .25s ease;
}
.nav-link::after {
  content: ''; position: absolute; left: 16px; right: 16px; bottom: 6px; height: 2px;
  background: linear-gradient(90deg, var(--green), var(--orange));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }

.hamburger { display: none; flex-direction: column; gap: 5px; width: 34px; height: 26px; justify-content: center; z-index: 501; }
.hamburger span { display: block; height: 2px; width: 100%; background: var(--white); border-radius: 2px; transition: transform .3s ease, opacity .3s ease; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 6. HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--nav-height) 24px 60px;
  overflow: hidden;
  z-index: 1;
}
.hero-glow {
  position: absolute; width: 480px; height: 480px; border-radius: 50%;
  filter: blur(110px); opacity: .35; z-index: 0;
  animation: float 9s ease-in-out infinite;
}
.hero-glow-green { background: var(--green); top: -120px; left: -100px; }
.hero-glow-orange { background: var(--orange); bottom: -140px; right: -100px; animation-delay: -4s; }
.hero-photo-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image: url('images/background/hero-bg.jpg');
  background-size: cover; background-position: center;
  opacity: .14;
}
.hero-shell {
  position: absolute; inset: 0; z-index: 0; opacity: .05; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, var(--green) 1.5px, transparent 1.6px);
  background-size: 42px 42px;
}
.hero-content { position: relative; z-index: 2; max-width: 780px; text-align: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: .8rem; font-weight: 700; letter-spacing: .1em;
  color: var(--green); border: 1px solid rgba(var(--green-rgb), .4);
  background: rgba(var(--green-rgb), .08);
  padding: 7px 20px 7px 8px; border-radius: 100px; margin-bottom: 26px;
  animation: pulseBorder 2.4s ease-in-out infinite;
  text-decoration: none; cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}
.hero-badge-photo {
  width: 26px; height: 26px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
}
.hero-badge:hover { background: rgba(var(--green-rgb), .18); transform: translateY(-1px); }
.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 9vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: .015em;
  color: var(--white);
  text-shadow: 0 0 26px rgba(var(--green-rgb), .25);
  margin-bottom: 22px;
}
.hero-title-accent {
  color: var(--orange);
  text-shadow: 0 0 20px rgba(var(--orange-rgb), .7), 0 0 50px rgba(var(--orange-rgb), .35);
}
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.15rem); color: var(--gray); max-width: 560px; margin: 0 auto 36px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats { display: flex; align-items: center; justify-content: center; gap: 30px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.stat-number { font-family: var(--font-display); font-size: 2rem; color: var(--green); text-shadow: 0 0 14px rgba(var(--green-rgb), .5); }
.stat-label { font-size: .78rem; color: var(--gray); letter-spacing: .04em; text-transform: uppercase; }
.stat-divider { width: 1px; height: 34px; background: linear-gradient(var(--black), var(--gray-dark), var(--black)); }

.scroll-indicator {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid var(--gray); border-radius: 20px;
  z-index: 2;
}
.scroll-indicator span {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: var(--green); border-radius: 4px;
  animation: scrollDot 1.8s ease infinite;
}

/* ---------- 7. GIFTS ---------- */
.gifts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 26px;
}
.gift-card {
  position: relative;
  background: linear-gradient(155deg, var(--black-3), var(--black-2));
  border: 1px solid rgba(var(--green-rgb), .18);
  border-radius: var(--radius-md);
  padding: 30px 22px 46px;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.gift-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(var(--orange-rgb), .12), transparent 60%);
  opacity: 0; transition: opacity .35s ease;
}
.fav-btn {
  position: absolute; bottom: 12px; right: 12px; z-index: 2;
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, .35);
  border: 1px solid rgba(255, 255, 255, .15);
  color: var(--gray);
  cursor: pointer;
  transition: transform .2s ease, color .2s ease, border-color .2s ease, background .2s ease;
}
.fav-btn:hover { transform: scale(1.1); border-color: rgba(var(--orange-rgb), .5); }
.fav-btn.active { color: var(--orange); border-color: rgba(var(--orange-rgb), .6); background: rgba(var(--orange-rgb), .12); }
.fav-btn.active svg { animation: favPop .35s ease; }
.gift-card:hover {
  transform: translateY(-10px);
  border-color: rgba(var(--green-rgb), .55);
  box-shadow: var(--shadow-green);
}
.gift-card:hover::before { opacity: 1; }

.gift-image-wrap {
  position: relative;
  width: 108px; height: 108px; margin: 0 auto 20px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--black-4), var(--black-3));
  border: 2px solid rgba(var(--orange-rgb), .35);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .3s ease;
}
.gift-card:hover .gift-image-wrap { border-color: var(--orange); box-shadow: var(--shadow-orange); }
.gift-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; padding: 14px; border-radius: 50%; }
.gift-icon-fallback { font-size: 2.6rem; }

.gift-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 400; letter-spacing: .02em; color: var(--white); margin-bottom: 10px; }
.gift-value {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 700; font-size: .88rem;
  color: var(--green);
  background: rgba(var(--green-rgb), .1);
  border: 1px solid rgba(var(--green-rgb), .3);
  padding: 6px 16px; border-radius: 100px;
}
.coin-icon { font-size: .9rem; }
.gift-song {
  margin-top: 12px; font-size: .78rem; color: var(--gray);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 0 32px 0 4px;
}

/* Gifts toolbar: pretraga + tier filteri */
.gifts-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; }
.gifts-search {
  display: flex; align-items: center; gap: 10px;
  background: var(--black-3); border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 100px; padding: 12px 20px; color: var(--gray);
  flex: 1; min-width: 220px; max-width: 340px;
  transition: border-color .25s ease;
}
.gifts-search:focus-within { border-color: rgba(var(--green-rgb), .5); }
.gifts-search input { background: none; border: none; outline: none; color: var(--white); font-family: inherit; font-size: .92rem; width: 100%; }
.gifts-search input::placeholder { color: var(--gray-dark); }

.gifts-filters { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .84rem; font-weight: 600; color: var(--gray);
  background: var(--black-3); border: 1px solid rgba(255, 255, 255, .1);
  padding: 9px 16px; border-radius: 100px; white-space: nowrap;
  transition: color .25s ease, border-color .25s ease, background .25s ease;
}
.filter-pill:hover { color: var(--white); border-color: rgba(var(--green-rgb), .4); }
.filter-pill.active { color: var(--black); background: linear-gradient(135deg, var(--green), var(--green-dim)); border-color: transparent; }
.pill-count { font-size: .74rem; font-weight: 700; background: rgba(0, 0, 0, .2); padding: 1px 8px; border-radius: 100px; }
.filter-pill.active .pill-count { background: rgba(0, 0, 0, .25); }

.gifts-count { text-align: center; color: var(--gray-dark); font-size: .84rem; margin-bottom: 26px; }
.gifts-empty { text-align: center; color: var(--gray); padding: 50px 20px; font-size: 1rem; }
.gift-card.hidden { display: none; }

/* Tier badge — ostaje unutar zeleno/narančaste palete, razlikuje se po intenzitetu */
.tier-badge {
  position: absolute; top: 14px; right: 14px; z-index: 1;
  font-size: .66rem; font-weight: 700; letter-spacing: .02em;
  padding: 5px 11px; border-radius: 100px;
  color: var(--gray); background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1);
}
.tier-legendary { color: #1a0f00; background: linear-gradient(135deg, var(--orange), #ffb15c); box-shadow: 0 0 14px rgba(var(--orange-rgb), .55); border-color: transparent; animation: pulseBorder 2.2s ease-in-out infinite; }
.tier-epic { color: #05210f; background: linear-gradient(135deg, var(--green), var(--green-dim)); box-shadow: 0 0 12px rgba(var(--green-rgb), .4); border-color: transparent; }
.tier-rare { color: var(--white); background: rgba(var(--green-rgb), .14); border-color: rgba(var(--green-rgb), .35); }
.tier-common { color: var(--gray); }
.gift-card[data-tier="legendary"] { border-color: rgba(var(--orange-rgb), .28); }
.gift-card[data-tier="legendary"]:hover { border-color: var(--orange); box-shadow: var(--shadow-orange); }
.gift-card[data-tier="legendary"]:hover .gift-image-wrap { border-color: var(--green); box-shadow: var(--shadow-green); }

/* ---------- 8. LEADERBOARD ---------- */
.leaderboard-list { display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin: 0 auto; }
.leaderboard-item {
  display: grid;
  grid-template-columns: 44px 50px 1fr auto;
  align-items: center; gap: 16px;
  background: var(--black-3);
  border: 1px solid rgba(255, 255, 255, .06);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  transition: transform .3s ease, border-color .3s ease, background .3s ease;
}
.leaderboard-item:hover { transform: translateX(6px); border-color: rgba(var(--green-rgb), .35); background: var(--black-4); }
.lb-rank { font-family: var(--font-display); font-size: 1.2rem; color: var(--gray); text-align: center; }
.lb-avatar {
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .82rem; color: var(--black);
  background: linear-gradient(135deg, var(--green), var(--orange));
}
.lb-info { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.lb-username { font-weight: 600; font-size: .96rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-bar-track { height: 4px; background: var(--black-4); border-radius: 4px; overflow: hidden; }
.lb-bar { height: 100%; background: linear-gradient(90deg, var(--green-dim), var(--green)); border-radius: 4px; }
.lb-count { font-weight: 700; font-size: .92rem; color: var(--white); white-space: nowrap; }

.leaderboard-item.rank-1 { border-color: rgba(255, 215, 0, .5); background: linear-gradient(90deg, rgba(255, 215, 0, .08), var(--black-3)); }
.leaderboard-item.rank-1 .lb-rank { font-size: 1.5rem; text-shadow: 0 0 12px rgba(255, 215, 0, .6); }
.leaderboard-item.rank-2 { border-color: rgba(200, 200, 210, .4); }
.leaderboard-item.rank-2 .lb-rank { font-size: 1.4rem; }
.leaderboard-item.rank-3 { border-color: rgba(205, 127, 50, .4); }
.leaderboard-item.rank-3 .lb-rank { font-size: 1.35rem; }

.leaderboard-empty { display: none; text-align: center; color: var(--gray); font-size: .96rem; padding: 20px 0; }

/* ---------- 10. ABOUT ---------- */
.about-grid { display: grid; grid-template-columns: 260px 1fr; gap: 54px; align-items: center; max-width: 900px; margin: 0 auto; }
.about-avatar { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.avatar-ring {
  position: relative; width: 220px; height: 220px; border-radius: 50%;
  padding: 6px;
  background: conic-gradient(var(--green), var(--orange), var(--green));
}
.avatar-ring img {
  width: 100%; height: 100%; border-radius: 50%; object-fit: cover;
  background: var(--black-3);
}
.avatar-badge {
  font-size: .76rem; font-weight: 700; letter-spacing: .06em;
  color: var(--orange); border: 1px solid rgba(var(--orange-rgb), .4);
  background: rgba(var(--orange-rgb), .1); padding: 6px 16px; border-radius: 100px;
}
.about-text .about-lead { font-size: 1.15rem; font-weight: 600; color: var(--white); margin-bottom: 14px; }
.about-text p { color: var(--gray); margin-bottom: 18px; }
.about-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 26px; }
.tag { font-size: .8rem; font-weight: 600; background: var(--black-3); border: 1px solid rgba(255, 255, 255, .08); padding: 8px 15px; border-radius: 100px; }
.socials { display: flex; gap: 14px; flex-wrap: wrap; }
.social-link {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 100px;
  background: var(--black-3); border: 1px solid rgba(255, 255, 255, .08);
  font-weight: 600; font-size: .88rem;
  transition: border-color .25s ease, color .25s ease, transform .25s ease;
}
.social-link:hover { transform: translateY(-3px); color: var(--green); border-color: rgba(var(--green-rgb), .5); box-shadow: var(--shadow-green); }
.social-link-donate {
  background: rgba(var(--orange-rgb), .1);
  border-color: rgba(var(--orange-rgb), .35);
  color: var(--orange);
}
.social-link-donate:hover { color: var(--orange); border-color: rgba(var(--orange-rgb), .6); box-shadow: var(--shadow-orange); }

/* ---------- 11. FOOTER ---------- */
.footer { position: relative; z-index: 1; padding: 40px 0; border-top: 1px solid rgba(255, 255, 255, .06); background: var(--black); }
.footer-container { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-logo { font-family: var(--font-display); font-size: 1.1rem; cursor: pointer; user-select: none; }
.footer-logo.egg-pop { animation: eggPop .7s ease; }
.footer p { color: var(--gray-dark); font-size: .82rem; }

.back-to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 300;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--black-3); border: 1px solid rgba(var(--green-rgb), .3);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity .3s ease, transform .3s ease, visibility .3s ease, box-shadow .3s ease;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { box-shadow: var(--shadow-green); }

/* ---------- 12. TOAST ---------- */
.toast {
  position: fixed; bottom: 30px; left: 50%;
  transform: translate(-50%, 30px);
  background: var(--black-3); color: var(--white);
  border: 1px solid rgba(var(--green-rgb), .4);
  padding: 13px 26px; border-radius: 100px;
  font-weight: 600; font-size: .9rem;
  box-shadow: var(--shadow-green);
  opacity: 0; z-index: 600; pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- 12b. GIFT DETAIL MODAL ---------- */
.gift-modal-overlay {
  position: fixed; inset: 0; z-index: 700;
  background: rgba(6, 8, 10, .82);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  opacity: 0; visibility: hidden;
  transition: opacity .3s ease;
}
.gift-modal-overlay.open { opacity: 1; visibility: visible; }
.gift-modal {
  position: relative;
  width: 100%; max-width: 420px;
  max-height: 88vh; overflow-y: auto;
  background: linear-gradient(155deg, var(--black-3), var(--black-2));
  border: 1px solid rgba(var(--green-rgb), .25);
  border-radius: var(--radius-md);
  padding: 40px 28px 32px;
  text-align: center;
  transform: scale(.92) translateY(12px);
  transition: transform .3s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}
.gift-modal-overlay.open .gift-modal { transform: scale(1) translateY(0); }
.gift-modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .12);
  color: var(--gray); cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.gift-modal-close:hover { background: rgba(var(--orange-rgb), .15); color: var(--orange); }
.gift-modal-tier {
  display: inline-block; font-weight: 700; font-size: .78rem;
  letter-spacing: .04em; padding: 5px 14px; border-radius: 100px;
  margin-bottom: 18px;
  background: rgba(var(--green-rgb), .12); color: var(--green);
  border: 1px solid rgba(var(--green-rgb), .3);
}
.gift-modal-image-wrap {
  width: 130px; height: 130px; margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--black-4);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.gift-modal-image { width: 100%; height: 100%; object-fit: cover; }
.gift-modal-icon-fallback { font-size: 3.6rem; }
.gift-modal-name { font-family: var(--font-display); font-size: 1.7rem; font-weight: 400; color: var(--white); margin-bottom: 12px; }
.gift-modal-value {
  display: inline-flex; align-items: center; gap: 6px;
  font-weight: 700; font-size: .96rem; color: var(--green);
  background: rgba(var(--green-rgb), .1);
  border: 1px solid rgba(var(--green-rgb), .3);
  padding: 7px 18px; border-radius: 100px;
  margin-bottom: 26px;
}
.gift-modal-song {
  border-top: 1px solid rgba(255, 255, 255, .08);
  padding-top: 22px;
}
.gift-modal-song-label { font-size: .8rem; color: var(--gray); margin-bottom: 8px; }
.gift-modal-song-name { font-weight: 600; color: var(--white); margin-bottom: 16px; word-break: break-word; }
.gift-modal-song audio { width: 100%; }

/* ---------- 13. KEYFRAMES ---------- */
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes counterSpin { to { transform: rotate(-360deg); } }
@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}
@keyframes pulseBorder {
  0%, 100% { box-shadow: 0 0 0 0 rgba(var(--green-rgb), .25); }
  50% { box-shadow: 0 0 0 6px rgba(var(--green-rgb), 0); }
}
@keyframes scrollDot {
  0% { opacity: 1; top: 8px; }
  70% { opacity: 0; }
  100% { opacity: 0; top: 24px; }
}
@keyframes favPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.35); }
  100% { transform: scale(1); }
}
@keyframes eggPop {
  0% { transform: scale(1) rotate(0deg); color: var(--white); }
  30% { transform: scale(1.3) rotate(-4deg); color: var(--orange); }
  60% { transform: scale(1.15) rotate(3deg); color: var(--green); }
  100% { transform: scale(1) rotate(0deg); color: var(--white); }
}

/* ---------- 14. RESPONSIVE ---------- */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .about-tags, .socials { justify-content: center; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: var(--nav-height); left: 0; right: 0; bottom: 0;
    background: rgba(8, 8, 12, .97);
    backdrop-filter: blur(10px);
    flex-direction: column; justify-content: center; gap: 6px;
    transform: translateX(100%); transition: transform .4s ease;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.3rem; padding: 16px 30px; }
  .hamburger { display: flex; }
  .logo-text { display: none; }

  .section { padding: 74px 0; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.6rem; }
  .leaderboard-item { grid-template-columns: 34px 42px 1fr auto; padding: 12px 14px; gap: 10px; }
  .lb-count { font-size: .8rem; }

  .gifts-toolbar { flex-direction: column; align-items: stretch; }
  .gifts-search { max-width: none; }
  .gifts-filters { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; width: 100%; }
  .btn { justify-content: center; width: 100%; }
  .gifts-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .gift-card { padding: 20px 14px; }
  .gift-image-wrap { width: 84px; height: 84px; }
  .avatar-ring { width: 170px; height: 170px; }
}