/* ============================================
   ExpensePilot - Modern Premium Stylesheet
   Production-Ready CSS (Optimized)
   ============================================ */

:root {
  /* Primary Colors - Professional Blue */
  --primary: #3574F0;
  --primary-light: #5a8cff;
  --primary-dark: #1a4dd8;
  --on-primary: #ffffff;
  --primary-container: #E7F0FF;
  --on-primary-container: #0B2B6B;

  /* Secondary Colors - Professional Gray */
  --secondary: #6C737C;
  --secondary-light: #9da4ac;
  --on-secondary: #ffffff;
  --secondary-container: #E9ECF1;
  --on-secondary-container: #2C3137;

  /* Tertiary Colors - Vibrant Purple/Accent */
  --tertiary: #7C3AED;
  --tertiary-light: #a78bfa;
  --tertiary-dark: #6d28d9;
  --on-tertiary: #ffffff;
  --tertiary-container: #EDE9FE;
  --on-tertiary-container: #3730A3;

  /* Neutral Colors */
  --background: #ffffff;
  --background-dark: #0a0e27;
  --on-background: #1F2328;
  --on-background-dark: #f5f7fa;

  --surface: #ffffff;
  --surface-dark: #151d3a;
  --on-surface: #1F2328;
  --on-surface-dark: #f5f7fa;

  --surface-variant: #F0F2F5;
  --surface-variant-dark: #242d4a;
  --on-surface-variant: #51565C;
  --on-surface-variant-dark: #c0c7d4;

  --outline: #CACDD2;
  --outline-dark: #3a4556;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3574F0 0%, #3574F0 100%);
  --gradient-soft: linear-gradient(135deg, rgba(53, 116, 240, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  --gradient-dark: linear-gradient(135deg, #1a4dd8 0%, #2a6dd1 50%, #1a8963 100%);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 300ms ease-out;
  --transition-slow: 500ms ease-out;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Logo sizing */
  --logo-size: 44px; /* outer square */
  --logo-inner-size: 48px; /* svg size inside the square (increased for visibility) */
}

/* Dark Mode */
[data-theme="dark"] {
  --background: var(--background-dark);
  --on-background: var(--on-background-dark);
  --surface: var(--surface-dark);
  --surface-variant: var(--surface-variant-dark);
  --on-surface-variant: var(--on-surface-variant-dark);
  --outline: var(--outline-dark);
}

/* ============================================
   Global Styles
   ============================================ */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', sans-serif;
  color: var(--on-background);
  background-color: var(--background);
  line-height: 1.6;
  transition: background-color var(--transition-base), color var(--transition-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-md) 0;
  color: var(--on-surface-variant);
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

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

header {
  background: var(--background);
  border-bottom: 1px solid var(--outline);
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
  transition: all var(--transition-base);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] header {
  background: rgba(10, 14, 39, 0.95);
  border-bottom-color: var(--outline);
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.header-brand:hover {
  opacity: 0.8;
}


.logo-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* keep a fixed outer size so increasing the inner SVG doesn't enlarge the box */
  width: var(--logo-size);
  height: var(--logo-size);
  padding: 0; /* no extra padding so box remains consistent */
  border-radius: 12px; /* rounded container */
  background: var(--primary);
  box-shadow: 0 6px 18px rgba(53,116,240,0.12);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

/* Ensure the SVG uses currentColor so we can control its color via CSS.
   The wrapper (.logo-wrap) sets `color` to `--on-primary` (white) so the
   inline SVG renders white on the primary background. */
.logo-wrap {
  color: var(--on-primary);
}

.logo-svg {
  width: var(--logo-inner-size);
  height: var(--logo-inner-size);
  display: block;
  background: transparent;
  fill: currentColor; /* use wrapper color */
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

[data-theme="dark"] .brand-text {
  color: var(--primary-light);
}

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

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

nav a {
  color: var(--on-surface);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color var(--transition-fast);
}

[data-theme="dark"] nav a {
  color: #e5e5e5;
}

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

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

nav a:hover::after {
  width: 100%;
}

.nav-divider {
  width: 1px;
  height: 24px;
  background: var(--outline);
}

.cta-btn {
  background: var(--primary);
  color: var(--on-primary); /* ensure white text */
  border: none;
  padding: 10px 18px;
  border-radius: 9999px; /* pill */
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: 0 6px 18px rgba(53,116,240,0.12);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  white-space: nowrap;
}

/* Keep the button text white even on hover and make the background subtly darker */
.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(53,116,240,0.15);
  filter: brightness(0.95);
  color: var(--on-primary); /* explicit - keep white */
}

.cta-btn:active {
  transform: translateY(0);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.theme-toggle {
  background: var(--surface-variant);
  border: 1px solid var(--outline);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: all var(--transition-base);
  color: var(--on-surface);
}

.theme-toggle:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--on-surface);
}

[data-theme="dark"] .mobile-menu-btn {
  color: #e5e5e5;
}

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

.hero {
  position: relative;
  overflow: hidden;
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-3xl) var(--space-lg);
  text-align: center;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(30px) translateX(20px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

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

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  line-height: 1.1;
  color: white;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.6;
  font-weight: 300;
}

.hero-ctas {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-2xl);
}

.cta-primary {
  background: white;
  color: var(--primary);
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  box-shadow: var(--shadow-xl);
}

.cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.cta-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  padding: var(--space-md) var(--space-2xl);
  border-radius: var(--radius-lg);
  font-weight: 600;
  border: 2px solid white;
  backdrop-filter: blur(10px);
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-badges {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-2xl);
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ============================================
   Sections
   ============================================ */

section {
  padding: var(--space-3xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

section h2 {
  text-align: center;
  color: var(--on-background);
  margin-bottom: var(--space-2xl);
}

section h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: var(--space-md) auto 0;
}

.section-subtitle {
  text-align: center;
  color: var(--on-surface-variant);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto var(--space-2xl);
}

/* ============================================
   Features Grid
   ============================================ */

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.feature-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
  background: linear-gradient(135deg, var(--surface) 0%, var(--primary-container) 100%);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
  height: 60px;
  width: 60px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-container);
  border-radius: var(--radius-lg);
  color: var(--primary);
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: white;
  transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
  margin: var(--space-md) 0;
  color: var(--on-background);
  font-size: 1.25rem;
}

.feature-card p {
  color: var(--on-surface-variant);
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ============================================
   USP Section
   ============================================ */

.usp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.usp-card {
  text-align: center;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  background: var(--primary-container);
  transition: all var(--transition-base);
}

.usp-card:hover {
  background: var(--primary);
  color: white;
}

.usp-card:hover h3,
.usp-card:hover p {
  color: white;
}

.usp-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.usp-card:hover .usp-number {
  color: white;
}

.usp-card h3 {
  color: var(--on-primary-container);
  margin: 0 0 var(--space-sm) 0;
  font-size: 1rem;
  font-weight: 600;
}

.usp-card p {
  color: var(--on-primary-container);
  font-size: 0.9rem;
  margin: 0;
}

/* ============================================
   Screenshots Section
   ============================================ */

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
  justify-items: center;
}

.screenshot-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  background: var(--surface-variant);
  padding: var(--space-sm);
}

.screenshot-card:hover {
  transform: translateY(-12px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.screenshot-card img {
  width: 100%;
  height: auto;
  max-width: 200px;
  border-radius: var(--radius-md);
  display: block;
  transition: transform var(--transition-base);
}

.screenshot-card:hover img {
  transform: scale(1.03);
}

.screenshot-label {
  text-align: center;
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--outline);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.stars {
  color: #FDB022;
  margin-bottom: var(--space-md);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
}

.author-info h4 {
  margin: 0;
  font-size: 0.95rem;
  color: var(--on-background);
}

.author-info p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

/* ============================================
   About Section
   ============================================ */

.about-container {
  display: grid;
  /* Left: content, Right: media panel with a constrained max width for a polished card */
  grid-template-columns: 1fr minmax(340px, 520px);
  gap: var(--space-3xl);
  align-items: center;
}

.about-content h2 {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.about-content h2::after {
  margin: var(--space-md) 0 0 0;
}

.about-content p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--on-surface-variant);
  margin-bottom: var(--space-md);
}

.about-list {
  list-style: none;
  padding: 0;
  margin: var(--space-xl) 0;
}

.about-list li {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  color: var(--on-surface-variant);
}

.about-list li::before {
  content: '✓';
  color: var(--tertiary);
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.about-image {
  position: relative;
  /* Simplified wrapper: no background card — video itself will hold the visual treatment */
  position: relative;
  overflow: visible;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  margin: 0;
  height: auto;
  justify-self: end; /* keep the media aligned to the right column */
  width: 100%;
  max-width: 520px;
}

/* Removed blurred background container — video will present the visual and shadow */

/* Video that behaves like a GIF: fills the about area and retains cover scaling */
.about-image .about-video {
  width: 100%;
  height: 100%;
  /* show full frame without cropping; letterbox will show the container background */
  object-fit: contain;
  object-position: center;
  display: block;
  max-width: 100%;
  max-height: 100%;
  background: transparent;
}

.about-image .about-video {
  border-radius: 20px; /* rounded video corners for modern look */
  box-shadow: 0 30px 60px rgba(16,24,40,0.18); /* stronger shadow on the video itself */
  width: 100%;
  height: auto;
  max-width: 360px; /* slightly wider phone mockup */
  position: relative;
  z-index: 2;
  background: transparent;
  overflow: hidden;
}

/* Fallback image behavior (keeps original image sizing if video not present) */
.about-image img {
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  border-radius: 20px;
}

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

.cta-section {
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  margin: var(--space-3xl) auto;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
}

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

.cta-section h2::after {
  background: white;
  margin: var(--space-md) auto 0;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  margin-bottom: var(--space-2xl);
}

.cta-section .cta-btn {
  background: white;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  margin: 0 auto;
}

.cta-section .cta-btn:hover {
  background: #f0f0f0;
}

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

footer {
  background: var(--surface-variant);
  border-top: 1px solid var(--outline);
  padding: var(--space-3xl) var(--space-lg);
  margin-top: var(--space-3xl);
  transition: all var(--transition-base);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-section h4 {
  color: var(--on-background);
  margin-bottom: var(--space-md);
  font-size: 1rem;
}

.footer-section p {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
  margin-bottom: var(--space-sm);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  color: var(--primary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: var(--outline);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--on-surface);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-4px);
}

.footer-bottom {
  border-top: 1px solid var(--outline);
  padding-top: var(--space-xl);
  text-align: center;
  color: var(--on-surface-variant);
  font-size: 0.85rem;
}

.footer-bottom p {
  margin: 0;
  margin-bottom: var(--space-sm);
}

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

.footer-bottom-links a {
  color: var(--primary);
  font-size: 0.85rem;
}

/* ============================================
   Legal Pages
   ============================================ */

.legal-container {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-lg);
}

.legal-content {
  background: var(--surface);
  border: 1px solid var(--outline);
  padding: var(--space-2xl);
  border-radius: var(--radius-lg);
  line-height: 1.8;
}

.legal-content h2 {
  text-align: left;
  color: var(--on-background);
}

.legal-content h2::after {
  display: none;
}

.legal-content h3 {
  color: var(--primary);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.legal-content strong {
  color: var(--on-background);
  font-weight: 600;
}

.legal-content p {
  color: var(--on-surface-variant);
}

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

@media (max-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr;
  }

  .about-image {
    height: 300px;
  }

  h1 {
    font-size: 2rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 768px) {
  /* Keep header items on a single row for a compact app-bar feel on mobile.
     Brand stays on the left, controls (menu, theme, CTA) align to the right. */
  header {
    flex-direction: row;
    align-items: center;
    padding: var(--space-md);
    justify-content: space-between;
  }

  /* Nav container becomes the flex group on the right; remove top margin so items
     vertically align with the brand. When the nav (menu list) is hidden it won't
     create spacing that pushes other controls into the center. */
  .nav-container {
    width: auto;
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
    align-items: center;
    margin: 0;
  }

  /* Ensure ordering of controls: nav (hidden by default) -> theme -> CTA -> mobile menu (drawer) at the end */
  .nav-container > nav { order: 1; }
  .nav-container .theme-toggle { order: 2; }
  .nav-container .cta-btn { order: 3; }
  .nav-container .mobile-menu-btn { order: 4; }

  nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--outline);
    padding: var(--space-md) 0;
    z-index: 999;
  }

  nav.active {
    display: flex;
  }

  nav a {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--outline);
  }

  .nav-divider {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding: var(--space-2xl) var(--space-lg);
    min-height: 60vh;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-ctas {
    flex-direction: column;
  }

  .cta-primary,
  .cta-secondary {
    width: 100%;
  }

  .hero-badges {
    flex-direction: column;
  }

  section {
    padding: var(--space-2xl) var(--space-lg);
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

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

  .screenshots {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

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

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

  .cta-section {
    padding: var(--space-2xl) var(--space-lg);
    margin-left: var(--space-md);
    margin-right: var(--space-md);
  }

  .about-content h2::after {
    margin: var(--space-md) 0 0 0;
  }
}

@media (max-width: 480px) {
  header h1 {
    font-size: 1.25rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero-subtitle {
    font-size: 0.95rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  section {
    padding: var(--space-xl) var(--space-md);
  }

  .feature-card {
    padding: var(--space-lg);
  }

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

  .screenshot-card img {
    max-width: 100%;
  }

  .cta-section {
    padding: var(--space-xl) var(--space-md);
  }

  .legal-content {
    padding: var(--space-lg);
  }

  /* Make the top-bar CTA smaller on very small screens so it doesn't crowd the header */
  .nav-container .cta-btn,
  header .cta-btn {
    padding: 6px 10px;
    font-size: 0.85rem;
    gap: 6px;
  }
}

/* On extremely narrow devices, hide the button text and keep the icon only to save space */
@media (max-width: 360px) {
  .nav-container .cta-btn,
  header .cta-btn {
    /* make a compact square button and center its contents */
    padding: 0;
    font-size: 0.9rem;
    width: 40px;
    height: 40px;
    min-width: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  /* Ensure the icon is sized and vertically centered */
  .nav-container .cta-btn span:first-child,
  header .cta-btn span:first-child {
    display: inline-block;
    line-height: 1;
    font-size: 1.15rem;
  }

  /* hide the textual label (second span) to leave only the icon */
  .nav-container .cta-btn span:last-child,
  header .cta-btn span:last-child {
    display: none;
  }

  /* slightly reduce the logo-wrap padding so the bar fits on very small screens */
  .logo-wrap {
    /* set final outer box size on very narrow screens to match requested final size */
    width: 48px;
    height: 48px;
  }
  /* scale inner svg to final size so the icon is clearly visible */
  .logo-svg { width: 48px; height: 48px; }
}

/* ============================================
   Utility Classes
   ============================================ */

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

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

.text-muted {
  color: var(--on-surface-variant);
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Animations */
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-slide-in-down {
  animation: slideInDown 0.6s ease-out;
}

.animate-slide-in-up {
  animation: slideInUp 0.6s ease-out;
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Responsive tweaks specifically for the About media card */
@media (max-width: 768px) {
  .about-container { grid-template-columns: 1fr; }
  .about-image { width: 92%; max-width: 520px; justify-self: center; padding: 20px; height: auto; }
  .about-image .about-video { max-width: 100%; }
}