/* ============================================
   Pocket Clear — Design System
   Fresh, clean, financially healthy aesthetic
   ============================================ */

:root {
  /* Colors - Clean with emerald/mint accent */
  --bg-primary: #0a0f0d;
  --bg-secondary: #0f1512;
  --bg-elevated: #141a17;
  --bg-card: #1a2420;

  --text-primary: #f0fdf4;
  --text-secondary: #a7c4b5;
  --text-muted: #5c7a6a;

  /* Accent - Fresh emerald/mint green */
  --accent: #10b981;
  --accent-light: #34d399;
  --accent-soft: rgba(16, 185, 129, 0.15);
  --accent-glow: rgba(16, 185, 129, 0.4);

  /* Secondary accent for income */
  --income: #22c55e;
  --income-soft: rgba(34, 197, 94, 0.15);
  
  /* Expense color */
  --expense: #f43f5e;
  --expense-soft: rgba(244, 63, 94, 0.15);

  /* Status colors */
  --safe: #22c55e;
  --safe-soft: rgba(34, 197, 94, 0.15);
  --warning: #eab308;
  --warning-soft: rgba(234, 179, 8, 0.15);

  /* Typography */
  --font-serif: "Fraunces", Georgia, serif;
  --font-sans: "Inter", -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  overflow-x: hidden;
}

/* Subtle gradient overlay */
.gradient-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
}

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

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

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   Typography
   ============================================ */

h1,
h2,
h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.75rem, 8vw, 5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

em {
  font-family: var(--font-serif);
  font-style: italic;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: rgba(10, 15, 13, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(16, 185, 129, 0.1);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
}

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

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

.nav-links a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 100%;
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
}

.hero-badges {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  animation: fadeInUp 0.8s ease both;
}

.pulse {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.2);
  }
}

.hero-line {
  display: block;
}

.hero-line.accent {
  color: var(--accent);
  font-style: italic;
}

h1 {
  animation: fadeInUp 0.8s ease 0.1s both;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.375rem);
  color: var(--text-secondary);
  max-width: 500px;
  margin: var(--space-lg) 0 var(--space-xl);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  animation: fadeInUp 0.8s ease 0.3s both;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-features-link {
  display: block;
  margin-top: var(--space-md);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.hero-features-link:hover {
  color: var(--accent-light);
}

.hero-trust {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.4s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Problem Section
   ============================================ */

.problem {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

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

.problem-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.problem-text .highlight {
  color: var(--accent);
  font-weight: 500;
  font-size: 1.125rem;
}

.problem-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.problem-card {
  background: var(--bg-card);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.problem-card .icon {
  font-size: 1.5rem;
}

.problem-card span {
  color: var(--text-secondary);
}

/* ============================================
   Solution Section
   ============================================ */

.solution {
  padding: var(--space-2xl) 0;
  text-align: center;
}

.solution-desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

/* Screenshots Showcase */
.screenshots-showcase {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.screenshot-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  animation: floatIn 0.8s ease-out backwards;
}

.screenshot-item:nth-child(1) { animation-delay: 0.1s; }
.screenshot-item:nth-child(2) { animation-delay: 0.2s; }
.screenshot-item:nth-child(3) { animation-delay: 0.3s; }

.screenshot-item img {
  width: 220px;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 25px 80px -20px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.screenshot-item:hover img {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 
    0 35px 100px -20px rgba(16, 185, 129, 0.3),
    0 0 0 1px rgba(16, 185, 129, 0.3);
}

.screenshot-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

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

@media (max-width: 768px) {
  .screenshots-showcase {
    flex-direction: column;
    align-items: center;
  }

  .screenshot-item img {
    width: 200px;
  }
}

/* ============================================
   Features Section
   ============================================ */

.features {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
}

.features h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.features .section-label {
  display: block;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: rgba(16, 185, 129, 0.2);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.feature-card h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* Comparison */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  max-width: 800px;
  margin: 0 auto;
}

.comparison-item {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
}

.comparison-item.bad {
  background: var(--expense-soft);
}

.comparison-item.good {
  background: var(--accent-soft);
}

.comparison-item h4 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.comparison-item ul {
  list-style: none;
}

.comparison-item li {
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* ============================================
   App Showcase / Screenshots
   ============================================ */

.app-showcase {
  padding: var(--space-2xl) 0;
}

.app-showcase .section-label {
  display: block;
  text-align: center;
}

.app-showcase h2 {
  text-align: center;
  margin-bottom: var(--space-sm);
}

.showcase-desc {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.screenshot-item {
  text-align: center;
}

.screenshot-item img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(16, 185, 129, 0.1);
  margin-bottom: var(--space-md);
  transition: transform var(--transition-base);
}

.screenshot-item:hover img {
  transform: translateY(-8px) scale(1.02);
}

.screenshot-item p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================
   Pricing Section
   ============================================ */

.pricing {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
  text-align: center;
}

.pricing .section-label {
  display: block;
}

.pricing h2 {
  margin-bottom: var(--space-xl);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  max-width: 725px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: left;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: rgba(16, 185, 129, 0.2);
}

.pricing-card.featured {
  border-color: var(--accent);
  background: linear-gradient(
    180deg,
    var(--accent-soft) 0%,
    var(--bg-card) 30%
  );
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: 100px;
}

.pricing-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.pricing-header h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.price {
  font-family: var(--font-serif);
  font-size: 3rem;
}

.price span {
  font-size: 1rem;
  color: var(--text-muted);
}

.pricing-header p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--space-lg);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.pricing-features .check {
  color: var(--accent);
}

.pricing-features .soon {
  color: var(--text-muted);
}

.coming-soon-section {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px dashed rgba(16, 185, 129, 0.2);
}

.coming-soon-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.pricing-features.coming-soon li {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.pricing-buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.pricing-buttons .btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ============================================
   Privacy Section
   ============================================ */

.privacy-section {
  padding: var(--space-2xl) 0;
}

.privacy-section .section-label {
  display: block;
  text-align: center;
}

.privacy-section h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.privacy-card {
  text-align: center;
  padding: var(--space-lg);
}

.privacy-card .icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.privacy-card h3 {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.privacy-card p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.privacy-promise {
  max-width: 700px;
  margin: var(--space-xl) auto 0;
  padding: var(--space-lg);
  background: var(--accent-soft);
  border-radius: var(--radius-lg);
  border: 1px solid var(--accent);
  text-align: center;
}

.privacy-promise h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: var(--space-sm);
}

.privacy-promise p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
  padding: var(--space-2xl) 0;
  background: var(--bg-secondary);
  text-align: center;
}

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

.cta-section > .container > p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.cta-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(16, 185, 129, 0.1);
}

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

.footer-content {
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.footer-logo-icon {
  width: 24px;
  height: 24px;
}

.footer-content p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

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

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

.footer-copy a {
  color: var(--text-muted);
  text-decoration: none;
}

.footer-copy a:hover {
  text-decoration: underline;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .screenshot-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
}

@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .privacy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .problem-visual {
    order: -1;
  }

  .privacy-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 500px;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    padding: 0 var(--space-lg);
  }

  .hero-cta .btn {
    width: 100%;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .comparison {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
    max-width: 300px;
  }
}