/* ========================================
   SYMBOL DECODER — OXY ALGO
   ======================================== */

/* --- RESET & VARIABLES --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #050508;
  --bg2: #08080e;
  --surface: #0c0c16;
  --surface2: #111120;
  --surface3: #161628;
  --border: rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.12);
  --accent: #00FF88;
  --accent-dim: #00cc6a;
  --accent-glow: rgba(0,255,136,0.12);
  --accent-glow2: rgba(0,255,136,0.25);
  --gold: #f59e0b;
  --gold-dim: #d97706;
  --gold-glow: rgba(245,158,11,0.12);
  --red: #ef4444;
  --red-glow: rgba(239,68,68,0.15);
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --text: #e8eaf0;
  --text2: #8890a8;
  --text3: #555d78;
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --radius-pill: 100px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; }

/* --- AMBIENT BACKGROUND --- */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--accent-glow2), transparent 70%);
  top: -10%; left: -5%;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, var(--gold-glow), transparent 70%);
  top: 40%; right: -10%;
  animation-delay: -7s;
}

.blob-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 70%);
  bottom: -5%; left: 30%;
  animation-delay: -14s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- LAYOUT --- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.container--sm { max-width: 720px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }

.section { padding: 100px 0; position: relative; }
.section--dark { background: var(--bg2); }
.section--accent {
  background: linear-gradient(135deg, rgba(0,255,136,0.03) 0%, rgba(245,158,11,0.03) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* --- NAV --- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5,5,8,0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  letter-spacing: -0.02em;
}
.logo span { color: var(--accent); }

.nav-links { display: flex; gap: 24px; }
.nav-links a {
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 0 20px var(--accent-glow);
}
.btn-primary:hover {
  background: #33ffaa;
  box-shadow: 0 0 30px var(--accent-glow2);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
}
.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,255,136,0.05);
}

.btn-lg { padding: 16px 36px; font-size: 1rem; }

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.15);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
  font-family: var(--font-mono);
}

.pulse-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow2); }
  50% { opacity: 0.7; box-shadow: 0 0 0 8px transparent; }
}

.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.grad {
  background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text2);
  max-width: 560px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border2);
}

/* --- SECTION HEADERS --- */
.section-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(0,255,136,0.08);
  border: 1px solid rgba(0,255,136,0.15);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  font-family: var(--font-mono);
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--text2);
  font-size: 1rem;
  margin-bottom: 40px;
}

/* --- TRANSLATOR --- */
.translator-box {
  max-width: 700px;
  margin: 0 auto;
}

.search-wrapper {
  position: relative;
  margin-bottom: 14px;
}

.search-icon {
  position: absolute;
  left: 20px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 18px 50px 18px 52px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  outline: none;
  transition: all 0.3s var(--ease);
}

#search-input::placeholder { color: var(--text3); }

#search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 0 30px var(--accent-glow);
}

.search-clear {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text3);
  cursor: pointer;
  font-size: 1.4rem;
  display: none;
  transition: color 0.2s;
}
.search-clear:hover { color: var(--text); }
.search-clear.visible { display: block; }

.hint-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text3);
  margin-bottom: 24px;
}

.hint-chip {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}
.hint-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,255,136,0.05);
}

/* --- SEARCH RESULTS --- */
.search-results { display: flex; flex-direction: column; gap: 16px; }

.result-card {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 24px;
  animation: slideUp 0.35s var(--ease-out);
  transition: border-color 0.3s;
}
.result-card:hover { border-color: rgba(0,255,136,0.25); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.result-flag { font-size: 2rem; line-height: 1; }

.result-info { flex: 1; }
.result-name {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 600;
}
.result-common {
  color: var(--text2);
  font-size: 0.85rem;
}

.result-category-tag {
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tag-forex { background: rgba(0,255,136,0.1); color: var(--accent); }
.tag-metals { background: rgba(245,158,11,0.1); color: var(--gold); }
.tag-indices { background: rgba(59,130,246,0.1); color: var(--blue); }
.tag-energy { background: rgba(239,68,68,0.1); color: var(--red); }
.tag-crypto { background: rgba(139,92,246,0.1); color: var(--purple); }

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.result-platform {
  background: var(--bg2);
  border-radius: var(--radius-sm);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--border);
}

.platform-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text3);
  margin-bottom: 6px;
  font-weight: 600;
}

.platform-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
}
.platform-value.na {
  color: var(--text3);
  font-size: 0.85rem;
  font-weight: 400;
}

.result-note {
  padding: 12px 16px;
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.12);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--gold);
  line-height: 1.5;
}

.result-note strong { color: var(--gold); }

.result-nicknames {
  margin-top: 12px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.nickname-tag {
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text2);
  font-family: var(--font-mono);
}

.result-funfact {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--surface2);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--text2);
  border-left: 3px solid var(--accent);
  line-height: 1.5;
}

/* --- CAROUSEL --- */
.carousel-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.carousel {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  min-height: 120px;
  position: relative;
}

.carousel-track { position: relative; min-height: 80px; }

.carousel-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s var(--ease);
  padding: 0 20px;
}
.carousel-slide.active {
  opacity: 1;
  transform: translateY(0);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--text3);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}
.carousel-dot.active {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
}

/* --- INSTRUMENT GRID --- */
.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  justify-content: center;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 600;
}
.filter-count {
  font-size: 0.75rem;
  opacity: 0.7;
}

.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 14px;
}

.grid-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
  animation: fadeInUp 0.4s var(--ease-out) both;
}
.grid-card:hover {
  border-color: rgba(0,255,136,0.2);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
}

.grid-card.hidden {
  display: none;
}

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

.card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.card-flag { font-size: 1.4rem; }

.card-symbol {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.card-cat {
  margin-left: auto;
  width: 8px; height: 8px;
  border-radius: 50%;
}
.card-cat-forex { background: var(--accent); }
.card-cat-metals { background: var(--gold); }
.card-cat-indices { background: var(--blue); }
.card-cat-energy { background: var(--red); }
.card-cat-crypto { background: var(--purple); }

.card-aliases {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-alias {
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--bg2);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text2);
  border: 1px solid var(--border);
}
.card-alias.futures { color: var(--gold); border-color: rgba(245,158,11,0.2); }
.card-alias.etf { color: var(--blue); border-color: rgba(59,130,246,0.2); }

.card-name {
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text3);
}

/* --- QUIZ --- */
.quiz-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
}

.quiz-start-screen h3 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  margin-bottom: 12px;
}
.quiz-start-screen p {
  color: var(--text2);
  margin-bottom: 28px;
}
.quiz-start-icon {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 auto 24px;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.quiz-progress {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text2);
}
.quiz-progress span:first-child { color: var(--accent); font-weight: 700; font-size: 1.1rem; }

.quiz-score-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text2);
}
.quiz-score-display span { color: var(--accent); font-weight: 700; }

.quiz-streak-display {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--gold);
}

.quiz-timer {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text3);
}

.quiz-question {
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 28px;
  line-height: 1.4;
  min-height: 60px;
}

.quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.quiz-option {
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg2);
  border: 1px solid var(--border2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s var(--ease);
  text-align: center;
}
.quiz-option:hover {
  border-color: var(--accent);
  background: rgba(0,255,136,0.05);
}
.quiz-option.correct {
  background: rgba(0,255,136,0.15);
  border-color: var(--accent);
  color: var(--accent);
  animation: correctPulse 0.4s ease;
}
.quiz-option.wrong {
  background: rgba(239,68,68,0.15);
  border-color: var(--red);
  color: var(--red);
  animation: shake 0.4s ease;
}
.quiz-option.disabled {
  pointer-events: none;
  opacity: 0.5;
}
.quiz-option.show-correct {
  background: rgba(0,255,136,0.1);
  border-color: var(--accent);
  color: var(--accent);
  opacity: 1;
}

@keyframes correctPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.03); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

.quiz-feedback {
  font-size: 0.85rem;
  min-height: 24px;
  color: var(--text2);
  transition: opacity 0.3s;
}

.quiz-end h3 {
  font-family: var(--font-head);
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.quiz-end-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.quiz-end-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.end-stat {
  background: var(--bg2);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.end-stat-val {
  font-family: var(--font-head);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
}
.end-stat-label {
  font-size: 0.72rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.quiz-end-btns { display: flex; gap: 12px; justify-content: center; }

/* --- FOUNDER QUOTE --- */
.founder-quote {
  font-family: var(--font-head);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  line-height: 1.6;
  text-align: center;
  color: var(--text);
  font-weight: 500;
  font-style: italic;
  margin-bottom: 12px;
}
.founder-quote cite {
  display: block;
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--accent);
  font-style: normal;
  font-weight: 600;
}

.cta-btns { text-align: center; margin-top: 32px; }

/* --- FOOTER --- */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-text {
  font-size: 0.8rem;
  color: var(--text3);
}

/* --- SCROLL ANIMATIONS --- */
.animate-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .nav-links { display: none; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 1.6rem; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .instrument-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .quiz-container { padding: 24px; }
  .quiz-options { grid-template-columns: 1fr; }
  .quiz-end-stats { grid-template-columns: 1fr; }
  .quiz-header { justify-content: center; }
  .footer .container { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .result-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { width: 40px; height: 1px; }
  .filter-bar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 8px; }
  .filter-btn { white-space: nowrap; }
}