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

:root {
  --bg-color: #0b0c10;
  --bg-color-light: #1f2833;
  --text-main: #ffffff;
  --text-muted: #c5c6c7;
  --accent-cyan: #66fcf1;
  --accent-green: #45a29e;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-green);
}

/* Navbar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background: rgba(11, 12, 16, 0.8);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.nav-links a {
  color: var(--text-main);
  font-weight: 600;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: left;
  padding: 6rem 5% 2rem;
  position: relative;
  background: radial-gradient(circle at 70% 30%, #1f2833 0%, #0b0c10 70%);
  gap: 4rem;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInUp 1s ease-out 0.8s both;
  position: relative;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  background: -webkit-linear-gradient(45deg, var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInDown 1s ease-out;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 600px;
  margin-bottom: 2.5rem;
  animation: fadeInUp 1s ease-out 0.3s both;
}

.phone-mockup {
  max-width: 300px;
  width: 100%;
  height: auto;
  border-radius: 35px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 0 8px #1f2833, 0 0 0 10px var(--glass-border);
  position: relative;
  z-index: 10;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.phone-mockup:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 35px 60px rgba(102, 252, 241, 0.15), 0 0 0 8px #1f2833, 0 0 0 10px var(--accent-cyan);
}

.hero-image::before, .features-image::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 80%;
  background: radial-gradient(circle, rgba(102, 252, 241, 0.1) 0%, transparent 70%);
  z-index: 1;
  border-radius: 50%;
}

.btn-primary {
  display: inline-block;
  background: var(--accent-cyan);
  color: var(--bg-color);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(102, 252, 241, 0.4);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: fadeInUp 1s ease-out 0.6s both;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(102, 252, 241, 0.6);
  color: var(--bg-color);
}

/* Features Section */
.features {
  padding: 6rem 5%;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 4rem;
}

.features-layout {
  display: flex;
  align-items: center;
  gap: 4rem;
}

.features-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.features-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 2.5rem 2rem;
  border-radius: 20px;
  text-align: left;
  transition: transform 0.3s ease, background 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--accent-cyan);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--accent-cyan);
}

.feature-card p {
  color: var(--text-muted);
}

/* Privacy Page Content */
.content-page {
  padding: 8rem 5% 4rem 5%;
  max-width: 800px;
  margin: 0 auto;
}

.content-page h1 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--accent-cyan);
}

.content-page h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-main);
}

.content-page p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.content-page ul {
  color: var(--text-muted);
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

.content-page li {
  margin-bottom: 0.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem 5%;
  background: var(--bg-color-light);
  border-top: 1px solid var(--glass-border);
}

footer p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-links {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
}

/* Animations */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 8rem;
  }
  .features-layout {
    flex-direction: column;
  }
  .features-image {
    margin-top: 3rem;
  }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.5rem; }
  .nav-links { display: none; } /* Simplified mobile nav for now */
  .phone-mockup { max-width: 260px; }
}