/*
 * FinanceToolkit Web - Editorial Finance Aesthetic
 * Inspired by Bloomberg Terminal meets modern fintech
 */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,700&family=JetBrains+Mono:wght@400;500&family=Playfair+Display:wght@400;500;600&display=swap');

:root {
  /* Core palette - refined dark with warm accents */
  --bg-primary: #0a0b0d;
  --bg-secondary: #12141a;
  --bg-tertiary: #1a1d26;
  --bg-card: linear-gradient(135deg, #14161c 0%, #1a1d26 100%);

  /* Text hierarchy */
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;

  /* Accent - warm amber/gold for finance */
  --accent: #f59e0b;
  --accent-soft: rgba(245, 158, 11, 0.15);
  --accent-glow: rgba(245, 158, 11, 0.3);

  /* Semantic colors */
  --positive: #10b981;
  --negative: #ef4444;
  --positive-soft: rgba(16, 185, 129, 0.15);
  --negative-soft: rgba(239, 68, 68, 0.15);

  /* Borders & effects */
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --glow: 0 0 60px rgba(245, 158, 11, 0.08);

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

/* ===== DEPLOY BANNER ===== */
.deploy-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(90deg, #f59e0b 0%, #d97706 100%);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}

.deploy-banner a {
  color: var(--bg-primary);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

.deploy-banner a:hover {
  text-decoration: underline;
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) var(--space-2xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(to bottom, var(--bg-primary), transparent);
  backdrop-filter: blur(10px);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--bg-primary);
}

.nav-links {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: calc(var(--space-4xl) + 36px) var(--space-2xl) var(--space-4xl);
  position: relative;
  overflow: hidden;
}

/* Gradient orbs */
.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(80px);
  animation: float 20s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
  filter: blur(80px);
  animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

.hero-content {
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--accent-soft);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease both;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero h1 em {
  font-style: italic;
  color: var(--accent);
}

.hero-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero-search {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: var(--space-2xl);
  animation: fadeInUp 0.6s ease 0.25s both;
}

.hero-search .search-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  transition: all 0.2s ease;
}

.hero-search .search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.hero-search .search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  width: 120px;
}

.hero-search .search-box input::placeholder {
  color: var(--text-muted);
}

.hero-search .search-btn {
  padding: var(--space-md) var(--space-xl);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.hero-search .search-btn:hover {
  background: #d97706;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.hero-stats {
  display: flex;
  gap: var(--space-3xl);
  animation: fadeInUp 0.6s ease 0.3s both;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

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

/* ===== FEATURES GRID ===== */
.features {
  padding: var(--space-4xl) var(--space-2xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  color: var(--text-primary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-xl);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-soft);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  font-size: 1.5rem;
}

.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-metrics {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}

.feature-metric {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.feature-metric span {
  display: block;
  font-size: 1.25rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

/* ===== DEMO SECTION ===== */
.demo {
  padding: var(--space-4xl) var(--space-2xl);
  background: var(--bg-secondary);
}

.demo-container {
  max-width: 1400px;
  margin: 0 auto;
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.demo-header-left {
  flex: 1;
  min-width: 300px;
}

.search-container {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: var(--space-sm) var(--space-md);
  transition: all 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  width: 140px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  padding: var(--space-sm) var(--space-lg);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-btn:hover {
  background: #d97706;
  transform: translateY(-1px);
}

.search-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.period-selector {
  display: flex;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.period-btn {
  padding: var(--space-sm) var(--space-md);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.period-btn:hover {
  color: var(--text-primary);
}

.period-btn.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Stock Overview Card */
.stock-overview {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.stock-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-xl);
}

.stock-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.stock-symbol {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.stock-name {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
}

.stock-sector {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 4px;
}

.stock-price-main {
  margin-bottom: var(--space-xl);
}

.price-value {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.price-change {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.price-change.positive {
  color: var(--positive);
}

.price-change.negative {
  color: var(--negative);
}

.stock-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.metric {
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: 8px;
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: var(--space-xs);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
}

/* Chart Container */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-xl);
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.chart-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
}

.chart-legend {
  display: flex;
  gap: var(--space-lg);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.chart-wrapper {
  height: 300px;
  position: relative;
}

/* Ratios Section */
.ratios-section {
  margin-top: var(--space-xl);
}

.ratios-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.ratio-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: var(--space-xl);
}

.ratio-category h4 {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.ratio-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.ratio-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ratio-name {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.ratio-value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--text-primary);
}

/* Loading State */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-4xl);
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-4xl);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: var(--space-lg);
  opacity: 0.5;
}

/* ===== CTA SECTION ===== */
.cta {
  padding: var(--space-4xl) var(--space-2xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-soft) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.cta p {
  color: var(--text-secondary);
  margin-bottom: var(--space-2xl);
}

.cta-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: var(--bg-primary);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background: #d97706;
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  background: var(--bg-tertiary);
}

/* ===== FOOTER ===== */
footer {
  padding: var(--space-2xl);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-left {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .stock-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  nav {
    padding: var(--space-md);
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding: var(--space-4xl) var(--space-lg);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .features, .demo, .cta {
    padding: var(--space-3xl) var(--space-lg);
  }

  .demo-header {
    flex-direction: column;
    align-items: stretch;
  }

  .search-container {
    flex-direction: column;
  }

  .period-selector {
    justify-content: center;
  }

  footer {
    flex-direction: column;
    text-align: center;
  }
}

/* Hidden class for JS toggling */
.hidden {
  display: none !important;
}