@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@200..800&family=Space+Grotesk:wght@300..700&display=swap');

/* --- VORTEX AI DESIGN SYSTEM --- */
/* 
  ========================================================
  NEXUS DESIGN STYLE GUIDE:
  - Change the root CSS variables below to change colors instantly!
  ========================================================
*/
:root {
  --bg-dark: #030303;
  --bg-card: #0a0a0c;
  --bg-card-hover: #101014;
  --primary-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #a855f7;
  --accent-gradient: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 50%, var(--accent-purple) 100%);
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --border-color: rgba(255, 255, 255, 0.05);
  --border-glow: rgba(59, 130, 246, 0.25);
  
  --font-display: 'Space Grotesk', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  
  --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
  
  --container-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Grid layout overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.008) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.008) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 1;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* --- UTILITIES --- */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1rem;
  position: relative;
  z-index: 2;
}

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

.font-display {
  font-family: var(--font-display);
}

.section-padding {
  padding: 8rem 0;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 5rem 0;
  }
}

.section-subtitle {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--primary-blue);
  margin-bottom: 1rem;
  font-weight: 600;
  display: block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2.4rem;
  }
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.1rem 2.6rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.4);
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.03);
  border-color: var(--primary-blue);
  transform: translateY(-2px);
}

/* --- HEADER & NAVIGATION --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(3, 3, 3, 0.7);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition-smooth);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  transition: var(--transition-smooth);
}

header.scrolled .nav-wrapper {
  height: 70px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

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

.nav-menu {
  display: flex;
  gap: 3rem;
  align-items: center;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-blue);
  transition: var(--transition-smooth);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-main);
  margin: 6px 0;
  transition: var(--transition-smooth);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 380px;
    height: 100vh;
    background-color: var(--bg-card);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    transition: var(--transition-smooth);
    border-left: 1px solid var(--border-color);
    visibility: hidden;
  }
  .nav-menu.active {
    right: 0;
    visibility: visible;
  }
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}

/* --- HERO SECTION --- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 130px;
  padding-bottom: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 5rem;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
}

.hero-content h1 {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 2rem;
  letter-spacing: -0.04em;
}

@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 3.2rem;
  }
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 3.5rem;
  max-width: 500px;
}

@media (max-width: 992px) {
  .hero-desc {
    margin: 0 auto 3.5rem auto;
  }
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

/* Dashboard Mockup Panel */
.hero-mockup-wrapper {
  position: relative;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 1rem;
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.hero-mockup-wrapper::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, rgba(168, 85, 247, 0.04) 50%, transparent 80%);
  z-index: 0;
  pointer-events: none;
}

.hero-mockup-wrapper img {
  position: relative;
  z-index: 1;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition-smooth);
}

.hero-mockup-wrapper:hover img {
  transform: scale(1.01) translateY(-2px);
  box-shadow: 0 10px 30px rgba(59, 130, 246, 0.15);
}

/* --- STATS SECTION --- */
.stats-bar {
  border-y: 1px solid var(--border-color);
  background-color: rgba(255,255,255,0.01);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

.stat-item h3 {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
}

/* --- PRICING SECTION --- */
.pricing {
  border-top: 1px solid var(--border-color);
  background-color: #060608;
}

/* Switch */
.toggle-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  margin-bottom: 4rem;
}

.toggle-label {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: .4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 3px;
  bottom: 3px;
  background-color: var(--text-main);
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary-blue);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

@media (max-width: 992px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.pricing-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 4rem 3rem;
  border-radius: 16px;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pricing-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-blue);
  box-shadow: 0 15px 30px rgba(59, 130, 246, 0.08);
}

.pricing-card.premium {
  border-color: var(--accent-purple);
}

.pricing-card.premium::after {
  content: 'POPULAR';
  position: absolute;
  top: 30px;
  right: -30px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.5rem 2.5rem;
  transform: rotate(45deg);
  letter-spacing: 0.1em;
}

.pricing-card h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.price-box {
  margin-bottom: 2.5rem;
}

.price-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.price-period {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.features-list {
  list-style: none;
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.features-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.features-list li::before {
  content: '✓';
  color: var(--accent-cyan);
  font-weight: 700;
}

.pricing-card .btn {
  margin-top: auto;
  width: 100%;
}

/* --- FAQ SECTION --- */
.faq {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-dark);
}

.faq-layout {
  max-width: 800px;
  margin: 4rem auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-header {
  padding: 1.8rem 2.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-header h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  padding: 0 2.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s ease;
}

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

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

.faq-item.active .faq-content {
  padding-bottom: 2rem;
}

/* --- FOOTER --- */
footer {
  border-top: 1px solid var(--border-color);
  padding: 8rem 0 4rem 0;
  background-color: #050508;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 6rem;
  margin-bottom: 6rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.footer-col h3 {
  font-family: var(--font-display);
  color: var(--text-main);
  font-size: 1.4rem;
  margin-bottom: 2rem;
  font-weight: 600;
}

.footer-col p {
  margin-bottom: 1.5rem;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 1rem;
}

.footer-col ul li a:hover {
  color: var(--primary-blue);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.03);
  padding-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

/* --- SCROLL ANIMATIONS --- */
.scroll-animate {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.3s cubic-bezier(0.16, 1, 0.3, 1), transform 1.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-animate.animated {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }


/* --- LUCIDE ICONS STYLE --- */
.lucide {
  stroke-width: 2;
  width: 1.25em;
  height: 1.25em;
  vertical-align: middle;
  margin-right: 0.5rem;
  display: inline-block;
  color: var(--primary-blue);
}


/* --- SOCIAL LINKS --- */
.social-links {
  display: flex;
  gap: 1.2rem;
  margin-top: 1.5rem;
}
.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  background: rgba(255,255,255,0.01);
}
.social-links a svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
}
.social-links a:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
  background: rgba(0, 240, 255, 0.02);
}