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

:root {
  --bg: #08080c;
  --surface: #121216;
  --surface-hover: #1a1a22;
  --surface-elevated: #1e1e28;
  --text: #f0f0f5;
  --text-secondary: #c0c0d0;
  --text-muted: #7a7a8e;
  --accent: #a855f7;
  --accent-secondary: #ec4899;
  --accent-glow: rgba(168, 85, 247, 0.25);
  --accent-gradient: linear-gradient(135deg, #a855f7, #ec4899);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ───────── Noise overlay ───────── */
#noise {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.025;
  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");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* ───────── Particles canvas ───────── */
#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ───────── Container ───────── */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ───────── Navbar ───────── */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(8, 8, 12, 0.6);
  backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  z-index: 100;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 8, 12, 0.85);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.logo-text {
  font-weight: 700;
}

.logo-accent {
  color: var(--accent);
}

.logo-com {
  color: var(--text-secondary)
}

.logo-icon {
  font-size: 1.4rem;
  line-height: 1;
}

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

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-gradient);
  transition: width var(--transition);
  border-radius: 2px;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px !important;
  border-radius: 50px;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: all var(--transition) !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #9333ea !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ───────── Hero ───────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -30%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  animation: glowPulse 6s ease-in-out infinite alternate;
}

@keyframes glowPulse {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.1); }
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-content {
  flex: 1;
  max-width: 580px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.15);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

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

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.btn-primary svg {
  transition: transform var(--transition);
}

.btn-primary:hover svg {
  transform: translateX(3px);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
  background: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.hero-footnote {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 20px;
}

/* Hero visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.visual-card {
  width: 260px;
  height: 260px;
  background: var(--surface);
  border-radius: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 10px;
  padding: 36px 18px 28px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  position: relative;
  z-index: 1;
}

.bar {
  width: 18px;
  background: var(--accent-gradient);
  border-radius: 9px 9px 4px 4px;
  animation: pulse 1.2s ease-in-out infinite alternate;
  transform-origin: bottom;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.2);
}

.bar-1 { height: 38px; animation-delay: 0s; }
.bar-2 { height: 68px; animation-delay: 0.1s; }
.bar-3 { height: 100px; animation-delay: 0.2s; }
.bar-4 { height: 120px; animation-delay: 0.3s; }
.bar-5 { height: 88px; animation-delay: 0.4s; }
.bar-6 { height: 54px; animation-delay: 0.5s; }
.bar-7 { height: 30px; animation-delay: 0.6s; }

@keyframes pulse {
  0% { transform: scaleY(0.55); opacity: 0.6; }
  100% { transform: scaleY(1); opacity: 1; }
}

.visual-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.orb-1 {
  width: 180px;
  height: 180px;
  background: var(--accent);
  opacity: 0.12;
  top: -40px;
  left: -40px;
  animation: orbFloat 8s ease-in-out infinite alternate;
}

.orb-2 {
  width: 140px;
  height: 140px;
  background: #ec4899;
  opacity: 0.08;
  bottom: -30px;
  right: -30px;
  animation: orbFloat 10s ease-in-out infinite alternate-reverse;
}

@keyframes orbFloat {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(20px, -20px) scale(1.15); }
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ───────── Features ───────── */
.features {
  padding: 140px 0;
  position: relative;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(168, 85, 247, 0.08);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.section-sub {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 480px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  background: var(--surface-hover);
  border-color: rgba(168, 85, 247, 0.12);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

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

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(168, 85, 247, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background var(--transition);
}

.feature-card:hover .feature-icon-wrap {
  background: rgba(168, 85, 247, 0.15);
}

.feature-icon {
  font-size: 1.5rem;
  color: var(--accent);
  line-height: 1;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ───────── Testimonials ───────── */
.testimonials {
  padding: 120px 0;
  position: relative;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: var(--surface);
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-card:hover {
  background: var(--surface-hover);
  border-color: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.testimonial-author div {
  display: flex;
  flex-direction: column;
}

.testimonial-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ───────── About ───────── */
.about {
  padding: 120px 0;
  position: relative;
}

.about-inner {
  display: flex;
  align-items: center;
  gap: 60px;
}

.about-text {
  flex: 1;
}

.about-text .section-tag {
  margin-bottom: 16px;
}

.about-text h2 {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 1rem;
  line-height: 1.75;
}

.about-stats {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px 28px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
}

.stat:hover {
  background: var(--surface-hover);
  border-color: rgba(168, 85, 247, 0.1);
  transform: translateX(4px);
}

.stat-num {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: 80px;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

/* ───────── CTA ───────── */
.cta-section {
  padding: 100px 0 120px;
}

.cta-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  padding: 64px 48px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.04);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
}

.cta-glow {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.cta-card > p {
  color: var(--text-muted);
  margin-bottom: 32px;
  position: relative;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 440px;
  margin: 0 auto;
  position: relative;
}

.cta-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition);
}

.cta-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.cta-form input::placeholder {
  color: var(--text-muted);
}

.cta-form .btn-primary {
  padding: 14px 28px;
  flex-shrink: 0;
}

.cta-footnote {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 16px !important;
  position: relative;
}

/* ───────── Footer ───────── */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.footer-brand .logo-icon {
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

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

.footer p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

/* ───────── Reveal animations ───────── */
.reveal {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translate(0, 0);
}

.fade-in-up {
  transform: translateY(40px);
}

.fade-in-left {
  transform: translateX(-40px);
}

.fade-in-right {
  transform: translateX(40px);
}

.reveal.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ───────── Mobile nav ───────── */
.nav-links.open {
  display: flex;
}

/* ───────── Responsive ───────── */
@media (max-width: 900px) {
  .hero-content h1 {
    font-size: 2.8rem;
  }

  .section-title {
    font-size: 2.2rem;
  }

  .cta-card {
    padding: 48px 28px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 8, 12, 0.95);
    backdrop-filter: blur(20px);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .hamburger {
    display: flex;
  }

  .hero-inner {
    flex-direction: column;
    text-align: center;
    gap: 48px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    display: none;
  }

  .hero-scroll {
    display: none;
  }

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

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

  .about-inner {
    flex-direction: column;
    text-align: center;
  }

  .about-stats {
    width: 100%;
  }

  .stat {
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }

  .stat-num {
    min-width: auto;
  }

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

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

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }

  .section-title {
    font-size: 1.8rem;
  }
}