/* ============================================
   LostAura Website Styles
   Design System: Dark, Minimal, Intense
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --color-bg: #0F0F0F;
  --color-surface: #1A1A1A;
  --color-border: #2E2E2E;
  --color-text-primary: #FAFAFA;
  --color-text-secondary: #A3A3A3;
  --color-text-disabled: #525252;
  --color-accent: #B91C1C;
  --color-accent-hover: #991B1B;
  --color-success: #22C55E;
  --color-warning: #F59E0B;
  --color-error: #EF4444;

  /* Typography */
  --font-headline: 'Space Mono', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-xxxl: 64px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.6;
}

.text-accent {
  color: var(--color-accent);
}

.text-muted {
  color: var(--color-text-secondary);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-xxxl) 0;
}

.section-dark {
  background-color: var(--color-surface);
}

/* ---------- Header / Navigation ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links {
  display: flex;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-accent);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-sm);
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: var(--transition-fast);
}

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xl);
    background: var(--color-bg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    font-size: 1.25rem;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.btn-lg {
  padding: var(--space-lg) var(--space-xl);
  font-size: 1.125rem;
}

/* App Store button */
.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-text-primary);
  color: var(--color-bg);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
}

.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(250, 250, 250, 0.1);
}

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

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

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(185, 28, 28, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xxxl);
  align-items: center;
}

.hero-content {
  max-width: 540px;
}

.hero-eyebrow {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(185, 28, 28, 0.2);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
}

.hero-title {
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-xl);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-mockup {
  position: relative;
  width: 280px;
  height: 580px;
  background: var(--color-surface);
  border-radius: 40px;
  border: 3px solid var(--color-border);
  box-shadow: 0 50px 100px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 24px;
  background: var(--color-bg);
  border-radius: 20px;
}

.phone-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
}

.typewriter-container {
  position: relative;
  text-align: center;
}

.typewriter-placeholder {
  font-family: var(--font-headline);
  font-size: 1.25rem;
  color: transparent !important;
  line-height: 1.4;
  white-space: pre-wrap;
  user-select: none;
}

.typewriter-placeholder * {
  color: transparent !important;
}

.typewriter-text {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  font-family: var(--font-headline);
  font-size: 1.25rem;
  color: var(--color-text-primary);
  line-height: 1.4;
  white-space: pre-wrap;
  text-align: center;
}

@media (max-width: 968px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-cta {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .phone-mockup {
    width: 220px;
    height: 460px;
  }
}

/* ---------- Features Section ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-xxl);
}

.feature-card {
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(185, 28, 28, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.feature-icon .material-icons {
  font-size: 24px;
  color: var(--color-accent);
}

.feature-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.feature-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

@media (max-width: 968px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- How It Works Section ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-xxl);
}

.step {
  text-align: center;
  position: relative;
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 32px;
  right: -50%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
}

.step-number {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  background: var(--color-accent);
  border-radius: 50%;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
}

.step-title {
  font-family: var(--font-headline);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.step-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

@media (max-width: 968px) {
  .steps {
    grid-template-columns: 1fr 1fr;
  }

  .step::after {
    display: none;
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

/* ---------- CTA Section ---------- */
.cta-section {
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-surface) 100%);
}

.cta-section h2 {
  margin-bottom: var(--space-md);
}

.cta-section p {
  max-width: 480px;
  margin: 0 auto var(--space-xl);
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-xxl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xl);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
}

.footer-link {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-disabled);
}

/* ---------- Legal Pages (Terms, Privacy) ---------- */
.legal-page {
  padding-top: 120px;
  padding-bottom: var(--space-xxxl);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--space-xl);
}

.legal-content h2 {
  font-size: 1.5rem;
  margin-top: var(--space-xxl);
  margin-bottom: var(--space-md);
}

.legal-content h3 {
  font-size: 1.125rem;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.legal-content p {
  margin-bottom: var(--space-md);
}

.legal-content ul {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

.legal-content li {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  padding-left: var(--space-lg);
  position: relative;
}

.legal-content li::before {
  content: '•';
  color: var(--color-accent);
  position: absolute;
  left: 0;
}

.legal-meta {
  font-size: 0.875rem;
  color: var(--color-text-disabled);
  margin-bottom: var(--space-xl);
}

/* ---------- Support Page ---------- */
.support-page {
  padding-top: 120px;
  padding-bottom: var(--space-xxxl);
}

.support-content {
  max-width: 800px;
  margin: 0 auto;
}

.support-content h1 {
  margin-bottom: var(--space-md);
}

.support-intro {
  font-size: 1.125rem;
  margin-bottom: var(--space-xxl);
}

.faq-section {
  margin-bottom: var(--space-xxl);
}

.faq-section h2 {
  margin-bottom: var(--space-lg);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  text-align: left;
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-text-primary);
  padding: 0;
  cursor: pointer;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
}

.faq-item.open .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding-top: var(--space-md);
}

.contact-section h2 {
  margin-bottom: var(--space-md);
}

.contact-email {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-accent);
  font-family: var(--font-headline);
  font-size: 1.25rem;
  margin-top: var(--space-md);
  transition: opacity var(--transition-fast);
}

.contact-email:hover {
  opacity: 0.8;
}

/* ---------- Typewriter Animation ---------- */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--color-text-primary);
  white-space: nowrap;
  animation: typing 3s steps(30) 1s forwards, blink 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delays */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }