/* ============================================
   BOLT — Trade Solana at Lightning Speed
   Website Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --cyan: #00d4ff;
  --violet: #7c5cff;
  --green: #00ff88;
  --red: #ff3b5c;
  --yellow: #ffc107;

  --bg-primary: #06060b;
  --bg-secondary: #0d0d14;
  --bg-card: #13131d;
  --bg-card-hover: #181825;

  --text-primary: #ffffff;
  --text-secondary: #8892a4;
  --text-muted: #555d6e;

  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(0, 212, 255, 0.15);

  --gradient: linear-gradient(135deg, #00d4ff 0%, #7c5cff 100%);
  --glow-cyan: rgba(0, 212, 255, 0.15);
  --glow-violet: rgba(124, 92, 255, 0.1);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --container: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #33dfff;
}

img, svg {
  max-width: 100%;
  display: block;
}

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

/* --- Utility --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient);
  color: var(--text-primary);
  box-shadow: 0 4px 24px var(--glow-cyan);
}

.btn-primary:hover {
  box-shadow: 0 8px 40px var(--glow-cyan), 0 0 60px var(--glow-cyan);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  position: relative;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-secondary:hover::before {
  opacity: 1;
}

.btn-secondary:hover {
  border-color: transparent;
  transform: translateY(-2px);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav.scrolled {
  background: rgba(6, 6, 11, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--text-primary);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-actions .btn {
  padding: 10px 24px;
  font-size: 14px;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  padding: 160px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--glow-cyan) 0%, transparent 70%);
  opacity: 0.4;
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}

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

.hero h1 {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero h1 .line {
  display: block;
}

.hero-description {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

/* --- (removed unused hero-visual/bolt animation classes) --- */

/* --- Stats Bar --- */
.stats {
  padding: 60px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 40px;
  background: var(--border);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-value .accent {
  color: var(--cyan);
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Features Section --- */
.features {
  padding: 120px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
}

.section-header p {
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
  color: var(--text-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.feature-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- How It Works --- */
.how-it-works {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 64px;
  position: relative;
}

.steps-grid::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 2px;
  background: var(--gradient);
  opacity: 0.3;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--cyan);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.step:hover .step-number {
  border-color: var(--cyan);
  box-shadow: 0 0 40px var(--glow-cyan);
}

.step h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 280px;
  margin: 0 auto;
}

/* --- Security Section --- */
.security {
  padding: 120px 0;
}

.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.security-content h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 16px;
}

.security-content > p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.security-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.security-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.security-item-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-sm);
  background: rgba(0, 212, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.security-item h4 {
  font-size: 16px;
  margin-bottom: 4px;
}

.security-item p {
  font-size: 14px;
  color: var(--text-secondary);
}

.security-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.shield-graphic {
  width: 300px;
  height: 340px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.shield-graphic .ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: spin 20s linear infinite;
}

.shield-graphic .ring-1 {
  width: 300px;
  height: 300px;
  border-color: rgba(0, 212, 255, 0.1);
}

.shield-graphic .ring-2 {
  width: 220px;
  height: 220px;
  border-color: rgba(124, 92, 255, 0.1);
  animation-direction: reverse;
  animation-duration: 15s;
}

.shield-graphic .ring-3 {
  width: 140px;
  height: 140px;
  border-color: rgba(0, 212, 255, 0.15);
  animation-duration: 10s;
}

.shield-graphic .center-icon {
  font-size: 64px;
  position: relative;
  z-index: 1;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* --- FAQ Section --- */
.faq {
  padding: 120px 0;
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq-item.active {
  border-color: var(--border-hover);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 600;
  text-align: left;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--cyan);
}

.faq-icon {
  font-size: 20px;
  color: var(--text-muted);
  transition: transform 0.3s ease;
  min-width: 20px;
  text-align: center;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--cyan);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --- CTA Section --- */
.cta {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--glow-violet) 0%, transparent 70%);
  opacity: 0.3;
  pointer-events: none;
}

.cta h2 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 16px;
  position: relative;
}

.cta p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0 auto 40px;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
}

/* --- Footer --- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 280px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  color: var(--text-primary);
}

.footer-logo svg {
  width: 28px;
  height: 28px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.footer-socials a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 20px var(--glow-cyan);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

/* --- Mobile Responsive --- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .security-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .security-visual {
    order: -1;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .nav-links,
  .nav-actions .btn-secondary {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  /* Mobile menu */
  .nav-links.mobile-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    padding: 32px 24px;
    gap: 24px;
    z-index: 999;
  }

  .nav-links.mobile-open a {
    font-size: 18px;
    color: var(--text-primary);
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stat-item:not(:last-child)::after {
    display: none;
  }

  .stat-value {
    font-size: 28px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .steps-grid::before {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }

  .section-header h2 {
    font-size: 24px;
  }

  .feature-card {
    padding: 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}