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

:root {
  --bg-primary: #0a0813;
  --bg-secondary: #130f25;
  --bg-gradient: radial-gradient(circle at 50% 50%, #1e133a 0%, #0a0813 100%);
  --text-primary: #f5f3f7;
  --text-secondary: #a9a2c3;
  --accent-purple: #8e2de2;
  --accent-pink: #f000ff;
  --accent-gradient: linear-gradient(135deg, #8e2de2 0%, #f000ff 100%);
  --accent-glow: rgba(142, 45, 226, 0.45);
  --card-bg: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(18, 14, 34, 0.7);
  --success: #00e676;
  --error: #ff1744;
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-img {
  height: 40px;
  width: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.logo-text {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 1.8rem;
}

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

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

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

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

/* Responsive Hamburger Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-smooth);
}

/* Main Container Layout */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
}

/* Hero Section */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
  margin-bottom: 6rem;
}

.hero-content h1 {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-content h1 span {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(142, 45, 226, 0.6);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

/* Device Mockup Graphic */
.hero-graphic {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.device-mockup {
  width: 280px;
  height: 560px;
  border: 12px solid #221a3e;
  border-radius: 36px;
  background: #0f0b21;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 
              0 0 40px var(--accent-glow);
  position: relative;
  overflow: hidden;
}

.device-screen {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
}

.device-header {
  height: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.device-notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 110px;
  height: 18px;
  background: #221a3e;
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

.device-app-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-align: center;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.device-prompt-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 0.8rem;
  margin-bottom: 0.8rem;
  font-size: 0.75rem;
}

.device-prompt-tag {
  display: inline-block;
  background: var(--accent-gradient);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.device-prompt-text {
  color: var(--text-primary);
  margin-bottom: 0.6rem;
  font-style: italic;
  line-height: 1.4;
}

.device-prompt-copy-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 6px;
  color: var(--text-primary);
  padding: 4px;
  width: 100%;
  font-size: 0.7rem;
  text-align: center;
  font-weight: 600;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 5rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(240, 0, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 1.2rem;
  display: inline-block;
}

.feature-card h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  margin-bottom: 0.6rem;
}

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

/* Legal Content Pages (Privacy, Terms) */
.legal-content {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 3rem 4rem;
  max-width: 900px;
  margin: 0 auto;
}

.legal-header {
  text-align: center;
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 2rem;
}

.legal-header h1 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

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

.legal-body h2 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  color: var(--text-primary);
}

.legal-body p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1rem;
}

.legal-body ul {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.legal-body li {
  margin-bottom: 0.6rem;
}

/* Forms: Contact & Delete Account */
.form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 3rem;
}

.form-title {
  font-family: var(--font-title);
  font-size: 2rem;
  margin-bottom: 0.8rem;
  text-align: center;
}

.form-desc {
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 10px rgba(142, 45, 226, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-label input {
  margin-top: 4px;
}

.form-feedback {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.form-feedback.success {
  background: rgba(0, 230, 118, 0.15);
  border: 1px solid var(--success);
  color: var(--success);
  display: block;
}

.form-feedback.error {
  background: rgba(255, 23, 68, 0.15);
  border: 1px solid var(--error);
  color: var(--error);
  display: block;
}

/* Account Deletion Steps */
.deletion-options {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.deletion-method {
  border-bottom: 1px solid var(--card-border);
  padding-bottom: 2rem;
}

.deletion-method:last-child {
  border: none;
  padding-bottom: 0;
}

.deletion-method h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.deletion-method h3 span {
  background: var(--accent-gradient);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.deletion-steps {
  margin-left: 2rem;
  margin-top: 0.8rem;
}

.deletion-steps li {
  margin-bottom: 0.6rem;
  color: var(--text-secondary);
}

.deletion-steps strong {
  color: var(--text-primary);
}

.danger-note {
  background: rgba(255, 23, 68, 0.08);
  border-left: 4px solid var(--error);
  padding: 1rem;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  margin-top: 1rem;
  color: var(--text-secondary);
}

.danger-note strong {
  color: var(--error);
}

/* Footer Section */
footer {
  background: #05040a;
  border-top: 1px solid var(--card-border);
  padding: 3rem 2rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.footer-links {
  display: flex;
  gap: 1.8rem;
}

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

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

.copyright {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* Fade-in Animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Responsive Media Queries */
@media (max-width: 968px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content h1 {
    font-size: 2.8rem;
  }
  
  .hero-tagline {
    margin: 0 auto 2rem;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .legal-content, .form-container {
    padding: 2.5rem 2rem;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    gap: 1.2rem;
    align-items: center;
  }
  
  nav ul.active {
    display: flex;
  }
}