/* Reset & base */
:root {
  --primary: #4f8cff;
  --accent: #a084ee;
  --bg: #f7f8fa;
  --glass: rgba(255,255,255,0.7);
  --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.10);
  --radius: 18px;
  --gradient: linear-gradient(135deg, #e0e7ff 0%, #f3e8ff 100%);
  --font: 'Montserrat', sans-serif;
}
html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--bg);
  color: #222;
  scroll-behavior: smooth;
}
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Menu */
.header {
  background: var(--glass);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  border-radius: 0 0 24px 24px;
  margin-bottom: 0;
  transition: background 0.3s;
}
.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--primary);
  gap: 10px;
  letter-spacing: 1px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.nav-btn {
  background: linear-gradient(90deg, #e0e7ff 0%, #f3e8ff 100%);
  color: #4f8cff;
  font-weight: 700;
  border-radius: 24px;
  padding: 10px 22px;
  margin: 0 2px;
  font-size: 1.08rem;
  box-shadow: 0 2px 8px #a5b4fc22;
  border: none;
  outline: none;
  transition: background 0.22s, color 0.22s, box-shadow 0.22s, transform 0.18s;
  cursor: pointer;
  text-decoration: none;
  position: relative;
}
.nav-btn:hover, .nav-btn.active {
  background: linear-gradient(90deg, #4f8cff 0%, #a084ee 100%);
  color: #fff;
  box-shadow: 0 4px 18px #a084ee55, 0 0 8px #4f8cff44;
  transform: scale(1.08);
}
.nav-btn::after {
  content: '';
  display: block;
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 7px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, #4f8cff 0%, #a084ee 100%);
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.18s, transform 0.18s;
}
.nav-btn:hover::after, .nav-btn.active::after {
  opacity: 1;
  transform: scaleX(1);
}
.appstore-link img {
  height: 38px;
  margin-left: 12px;
  vertical-align: middle;
  transition: transform 0.2s;
}
.appstore-link:hover img {
  transform: scale(1.08) rotate(-2deg);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  margin-left: 18px;
}
.menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}
.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}
.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--glass);
  position: fixed;
  top: 70px;
  left: 0;
  width: 100vw;
  box-shadow: var(--shadow);
  z-index: 30;
  padding: 24px 0 18px 0;
  border-radius: 0 0 24px 24px;
  backdrop-filter: blur(12px);
  transition: transform 0.3s, opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mobile-nav a {
  color: #333;
  font-weight: 600;
  text-decoration: none;
  padding: 14px 32px;
  border-radius: 24px;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.18s;
  font-size: 1.1rem;
  background: linear-gradient(90deg, #e0e7ff 0%, #f3e8ff 100%);
  box-shadow: 0 2px 8px #a5b4fc22;
  margin: 6px 0;
  overflow: hidden;
}
.mobile-nav a:not(.appstore-link):hover, .mobile-nav a.active {
  background: linear-gradient(90deg, #4f8cff 0%, #a084ee 100%);
  color: #fff;
  box-shadow: 0 4px 18px #a084ee55, 0 0 8px #4f8cff44;
  transform: scale(1.07);
}
.mobile-nav a:not(.appstore-link)::after {
  content: '';
  display: block;
  position: absolute;
  left: 20%;
  right: 20%;
  bottom: 7px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(90deg, #4f8cff 0%, #a084ee 100%);
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity 0.18s, transform 0.18s;
}
.mobile-nav a:not(.appstore-link):hover::after, .mobile-nav a.active::after {
  opacity: 1;
  transform: scaleX(1);
}
.mobile-nav a.nav-btn {
  display: block;
  margin: 10px 0;
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: none; }
}
@media (min-width: 901px) {
  .mobile-nav { display: none !important; }
}

/* Hero Section */
.hero {
  background: var(--gradient);
  padding: 72px 0 56px 0;
  min-height: 520px;
  display: flex;
  align-items: center;
}
.hero-content {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 48px;
}
@media (min-width: 900px) {
  .hero-content {
    flex-direction: row;
    justify-content: space-between;
    gap: 80px;
  }
}
.hero-text {
  max-width: 500px;
}
.hero-text h1 {
  font-size: 2.7rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 18px;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #a5b4fc22;
}
.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 32px;
  color: #444;
}
.hero-illustration {
  width: 340px;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 32px;
  box-shadow: 0 8px 32px 0 rgba(31,38,135,0.12);
  background: var(--glass);
}

/* Button & CTA */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
  box-shadow: var(--shadow);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover {
  background: #2563eb;
  box-shadow: 0 0 16px #a5b4fc;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: #7c3aed;
  box-shadow: 0 0 16px #c4b5fd;
}
.btn-lg {
  font-size: 1.2rem;
  padding: 18px 48px;
}
.cta-glow {
  box-shadow: 0 0 24px 0 #a084ee55, 0 0 8px #4f8cff44;
  animation: ctaPulse 2.2s infinite alternate;
}
@keyframes ctaPulse {
  0% { box-shadow: 0 0 24px 0 #a084ee55, 0 0 8px #4f8cff44; }
  100% { box-shadow: 0 0 48px 0 #a084ee99, 0 0 16px #4f8cff88; }
}

/* Features Section */
.features {
  padding: 64px 0 32px 0;
  background: var(--bg);
}
.features h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 40px;
  color: var(--accent);
}
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}
@media (min-width: 700px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 1100px) {
  .features-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}
.feature-card {
  background: var(--glass);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 36px 24px 32px 24px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(6px);
  border: 1px solid #e0e7ff;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}
.feature-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 8px 32px 0 rgba(160, 132, 238, 0.18);
}
.feature-card img {
  width: 64px;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.feature-card p {
  color: #444;
  font-size: 1rem;
}

/* Audience Section */
.audience {
  background: linear-gradient(90deg, #e0e7ff 0%, #f3e8ff 100%);
  padding: 48px 0;
}
.audience h2 {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 36px;
  background: linear-gradient(90deg, #4f8cff 0%, #a084ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  letter-spacing: 0.5px;
}
.audience ul {
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  font-size: 1.18rem;
  color: #444;
}
.audience ul li {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 4px 24px #a084ee18;
  margin-bottom: 24px;
  padding: 16px 16px;
  font-size: 1.18rem;
  font-weight: 500;
  min-height: 64px;
  position: relative;
  transition: box-shadow 0.2s, transform 0.2s;
}
.audience ul li:last-child {
  margin-bottom: 0;
}
.audience ul li:before {
  content: '\2714';
  color: #a084ee;
  font-size: 2.1rem;
  margin-right: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  background: none;
  border-radius: 50%;
}
@media (max-width: 700px) {
  .audience h2 { font-size: 1.3rem; }
  .audience ul li {
    font-size: 1rem;
    padding: 14px 14px;
    border-radius: 18px;
    min-height: 44px;
  }
  .audience ul li:before {
    font-size: 1.3rem;
    margin-right: 12px;
    min-width: 24px;
    min-height: 24px;
  }
}

/* CTA Section */
.cta {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 56px 0 48px 0;
}
.cta h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.cta p {
  font-size: 1.1rem;
  margin-bottom: 32px;
}

/* Footer */
.footer {
  background: #fff;
  border-top: 1px solid #e0e7ff;
  padding: 24px 0;
  text-align: center;
  color: #888;
  font-size: 1rem;
}
.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.footer-links {
  display: flex;
  gap: 18px;
}
.footer-links a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--accent);
}

/* AOS animation override for smoother effect */
[data-aos] {
  will-change: opacity, transform;
}

/* Responsive fix for mobile */
@media (max-width: 700px) {
  .hero-illustration { width: 100vw; min-width: 0; }
  .hero-content { gap: 24px; }
  .feature-card { min-height: 0; }
  .footer-links { flex-direction: column; gap: 8px; }
}