@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-dark: #060814;
  --bg-card: rgba(13, 17, 38, 0.6);
  --border-light: rgba(255, 255, 255, 0.06);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.65);
  --primary: #06b6d4; /* cyan */
  --primary-glow: rgba(6, 182, 212, 0.25);
  --secondary: #8b5cf6; /* purple */
  --secondary-glow: rgba(139, 92, 246, 0.2);
  --accent: #10b981; /* green */
  --font-main: 'Outfit', sans-serif;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

/* Background glows */
.glow-container {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.45;
  mix-blend-mode: screen;
}

.glow-1 {
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
}

.glow-2 {
  top: 40%;
  left: -20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--secondary-glow) 0%, transparent 70%);
}

.glow-3 {
  bottom: 10%;
  right: -10%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
}

/* Header / Navbar */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  background-color: rgba(6, 8, 20, 0.7);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-group img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.logo-text span {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

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

.btn-nav {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--text-primary) !important;
  padding: 0.6rem 1.25rem;
  border-radius: 30px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.3);
}

.btn-nav:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.4);
}

/* Sections Base */
section {
  position: relative;
  z-index: 10;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  min-height: 95vh;
  padding-top: 10rem;
}

.hero-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  color: var(--primary);
  padding: 0.4rem 1rem;
  border-radius: 30px;
  width: fit-content;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin-bottom: 1rem;
}

.download-box {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 1.5rem;
}

.badge-group {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.store-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 0.75rem 1.5rem;
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.store-btn:hover {
  border-color: rgba(6, 182, 212, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.15);
}

.store-btn svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.store-btn-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.store-btn-text span {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.store-btn-text strong {
  font-size: 1.05rem;
}

/* QR Code Placeholders */
.qr-container {
  display: flex;
  gap: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 1.5rem;
  width: fit-content;
  backdrop-filter: blur(10px);
}

.qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.qr-placeholder {
  width: 120px;
  height: 120px;
  background-color: #ffffff;
  border-radius: 12px;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.qr-placeholder svg {
  width: 100px;
  height: 100px;
}

.qr-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* Mock Phone Frame in Hero */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-frame {
  width: 320px;
  height: 650px;
  background-color: #0b0f19;
  border: 12px solid #22293f;
  border-radius: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.phone-island {
  position: absolute;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 25px;
  background-color: #22293f;
  border-radius: 15px;
  z-index: 20;
}

/* Features Grid */
.features-section {
  text-align: center;
}

.section-header {
  margin-bottom: 5rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 2.5rem;
  text-align: left;
  backdrop-filter: blur(12px);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 10px 30px rgba(6, 182, 212, 0.05);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.1));
  border: 1px solid rgba(6, 182, 212, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* Interactive Showcase / Carousel */
.showcase-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.showcase-menu {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.menu-item {
  background: transparent;
  border: 1px solid transparent;
  padding: 1.25rem 1.5rem;
  border-radius: 16px;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-item.active {
  background: var(--bg-card);
  border-color: var(--border-light);
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.menu-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.menu-item.active .menu-dot {
  background-color: var(--primary);
  box-shadow: 0 0 10px var(--primary);
}

.menu-info {
  display: flex;
  flex-direction: column;
}

.menu-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.menu-item.active .menu-title {
  color: var(--text-primary);
}

.menu-desc {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
  display: none;
  margin-top: 0.25rem;
}

.menu-item.active .menu-desc {
  display: block;
}

.showcase-display {
  display: flex;
  justify-content: center;
  position: relative;
}

.showcase-phone {
  width: 320px;
  height: 650px;
  background-color: #0b0f19;
  border: 12px solid #22293f;
  border-radius: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
  position: relative;
}

.showcase-screen {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
  position: absolute;
  top: 0;
  left: 0;
}

.showcase-screen.active {
  opacity: 1;
  position: relative;
}

/* Privacy & Security */
.privacy-box {
  background: linear-gradient(135deg, rgba(13, 17, 38, 0.8) 0%, rgba(6, 8, 20, 0.9) 100%);
  border: 1px solid var(--border-light);
  border-radius: 30px;
  padding: 4rem;
  text-align: center;
  backdrop-filter: blur(12px);
  position: relative;
}

.privacy-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.25rem;
  margin: 0 auto 2rem;
}

.privacy-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.privacy-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
}

/* Medical Disclaimer section */
.disclaimer-section {
  background-color: rgba(239, 68, 68, 0.03);
  border: 1px solid rgba(239, 68, 68, 0.15);
  border-radius: 20px;
  padding: 2rem;
  margin-top: 4rem;
  margin-bottom: 4rem;
}

.disclaimer-title {
  color: #ef4444;
  font-size: 1.1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.disclaimer-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Footer */
footer {
  border-top: 1px solid var(--border-light);
  padding: 4rem 2rem;
  background-color: #03050c;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.copyright {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.3);
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* Responsiveness */
@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 8rem;
    gap: 3rem;
  }
  .hero-tag {
    margin: 0 auto;
  }
  .hero-desc {
    margin: 0 auto 1rem;
  }
  .download-box {
    align-items: center;
  }
  .badge-group {
    justify-content: center;
  }
  .qr-container {
    justify-content: center;
  }
  .showcase-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .showcase-menu {
    order: 2;
  }
  .showcase-display {
    order: 1;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}