/* ================================
   RESET & BASE STYLES
   ================================ */

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

:root {
  /* Brand Colors */
  --primary-teal: #0A6B6E;
  --primary-green: #10B981;
  --soft-sky: #87CEEB;
  
  /* Neutral Colors */
  --gray-900: #111827;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-400: #9CA3AF;
  --white: #FFFFFF;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-teal) 0%, var(--primary-green) 100%);
  --gradient-hero: linear-gradient(135deg, #0A6B6E 0%, #10B981 50%, #87CEEB 100%);
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  
  /* Transitions */
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  position: relative;
  font-family: var(--font-sans);
  color: var(--gray-900);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  opacity: 0.05;
  z-index: -1;
  pointer-events: none;
}

/* ================================
   TYPOGRAPHY
   ================================ */

p {
  line-height: 1.7;
  color: var(--gray-700);
}

a {
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-base);
}

/* ================================
   LAYOUT UTILITIES
   ================================ */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ================================
   HEADER
   ================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--spacing-sm) 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--transition-base);
}

.header-scrolled {
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 0;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.header-nav {
  display: flex;
  gap: var(--spacing-lg);
}

.header-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--gray-600);
  transition: color var(--transition-base);
}

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

/* ================================
   HERO SECTION - CENTERED
   ================================ */

.hero-content-centered {
  max-width: 1280px;
  margin: 0 auto;
  margin-bottom: 0;
  padding-top: 66px;
  padding-bottom: 66px;
  padding-left: var(--spacing-lg);
  padding-right: var(--spacing-lg);
  min-height: 599px;
}

.hero-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-xl);
}

.hero-image-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-text-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.screenshot {
  width: 100%;
  max-width: 100%;
  height: 512px;
  display: block;
  object-fit: contain;
  filter: drop-shadow(4px 4px 4px rgba(0, 0, 0, 0.5));
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-description {
  font-size: 1.175rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
  max-width: 700px;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

.hero-cta a {
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hero-cta a:hover {
  transform: scale(1.04);
  opacity: 0.9;
}

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

/* ================================
   SECTIONS
   ================================ */

.section {
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(10, 107, 110, 0.03) 0%, rgba(16, 185, 129, 0.03) 100%);
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  letter-spacing: -0.015em;
}

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--gray-600);
  text-align: center;
  max-width: 560px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.7;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  background: var(--white);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.feature-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-teal);
  margin-bottom: var(--spacing-md);
}

.feature-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Steps Grid */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
}

.step-card {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
}

.step-title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--spacing-xs);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
}

/* Privacy Block */
.privacy-block {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.privacy-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.1) 0%, rgba(16, 185, 129, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-teal);
  margin: 0 auto var(--spacing-lg);
}

.privacy-title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-md);
}

.privacy-desc {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
}

.privacy-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm) var(--spacing-lg);
  text-align: left;
  max-width: 480px;
  margin: 0 auto;
}

.privacy-point {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.9375rem;
  color: var(--gray-700);
  font-weight: 500;
}

.privacy-check {
  color: var(--primary-green);
  flex-shrink: 0;
  display: flex;
}

/* CTA Section */
.section-cta {
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.04) 0%, rgba(16, 185, 129, 0.04) 100%);
}

.cta-content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
}

.cta-desc {
  font-size: 1.0625rem;
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

/* Fade-in animation */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================
   FOOTER - MINIMAL DESIGN
   ================================ */

.footer {
  color: var(--white);
  padding: var(--spacing-lg) 0;
  margin-top: 0;
}

.footer-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

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

.footer-links-inline a {
  color: var(--gray-400);
  font-size: 0.9375rem;
  transition: color var(--transition-base);
}

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

.footer-links-inline a[href*="x.com"] {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  justify-content: center;
}

.footer-copy {
  font-size: 0.8125rem;
  color: var(--gray-400);
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

/* Desktop and iPad Landscape - Side by Side Layout */
@media (min-width: 1024px) {
  .hero-content-centered {
    display: flex;
    align-items: center;
    min-height: 70vh;
  }

  .hero-layout {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    text-align: left;
    width: 100%;
  }

  .hero-image-wrapper {
    flex: 0 0 auto;
    width: auto;
    max-width: 50%;
  }

  .hero-text-wrapper {
    flex: 1;
    align-items: flex-start;
    max-width: 500px;
  }

  .screenshot {
    height: auto;
    max-height: 600px;
    width: auto;
    max-width: 100%;
    margin-bottom: 0;
  }

  .hero-title {
    text-align: left;
  }

  .hero-description {
    margin-left: 0;
    margin-right: 0;
    margin-top: 0;
    text-align: left;
  }

  .hero-cta {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .header-nav {
    gap: var(--spacing-md);
  }

  .header-nav a {
    font-size: 0.875rem;
  }

  .hero-content-centered {
    padding-top: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    min-height: auto;
  }

  .hero-layout {
    gap: var(--spacing-md);
  }

  .screenshot {
    margin-bottom: var(--spacing-sm);
    height: auto;
    max-height: 400px;
  }

  .hero-description {
    margin-bottom: var(--spacing-lg);
    font-size: 1.0625rem;
  }

  .hero-cta {
    margin-top: 0;
  }

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

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .step-card {
    text-align: left;
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-md);
  }

  .step-number {
    margin: 0;
    flex-shrink: 0;
  }

  .privacy-points {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .footer-links-inline {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }

  .header-nav {
    gap: var(--spacing-sm);
  }
}

/* ================================
   ANIMATIONS & INTERACTIONS
   ================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for accessibility */
a:focus,
button:focus {
  outline: 2px solid var(--primary-teal);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background: var(--primary-green);
  color: var(--white);
}

::-moz-selection {
  background: var(--primary-green);
  color: var(--white);
}

/* ================================
   LEGAL CONTENT PAGES
   ================================ */

.legal-content {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  padding-top: var(--spacing-xl);
  padding-bottom: calc(var(--spacing-xl) * 2);
  min-height: 100vh;
}

.legal-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--spacing-sm);
  text-align: center;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.last-updated {
  font-size: 0.9375rem;
  color: var(--gray-600);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-style: italic;
}

.legal-date {
  font-size: 0.9375rem;
  color: var(--gray-600);
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-style: italic;
}

.legal-section {
  margin-bottom: var(--spacing-xl);
}

.legal-heading {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-teal);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--primary-green);
}

.legal-subheading {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.legal-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: var(--spacing-md);
}

.legal-section p strong {
  color: var(--gray-900);
  font-weight: 600;
}

.legal-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: var(--spacing-md);
}

.legal-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
  color: var(--gray-700);
}

.legal-list li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--primary-green);
  font-weight: bold;
  font-size: 1.25rem;
}

.legal-list li strong {
  color: var(--gray-900);
  font-weight: 600;
}

.legal-highlight {
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
  border-left: 4px solid var(--primary-green);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: 4px;
}

.legal-highlight p {
  margin-bottom: 0;
  color: var(--gray-900);
  font-weight: 500;
}

.contact-info {
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.05) 0%, rgba(16, 185, 129, 0.05) 100%);
  border-left: 4px solid var(--primary-green);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin: var(--spacing-md) 0;
}

.contact-info p {
  margin-bottom: var(--spacing-xs);
}

.contact-info p:last-child {
  margin-bottom: 0;
}

.contact-info a {
  color: var(--primary-teal);
  text-decoration: none;
  transition: color var(--transition-base);
}

.contact-info a:hover {
  color: var(--primary-green);
  text-decoration: underline;
}

.legal-footer {
  margin-top: calc(var(--spacing-xl) * 2);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--gray-400);
}

.legal-note {
  font-size: 0.9375rem;
  color: var(--gray-600);
  font-style: italic;
  padding: var(--spacing-md);
  background: rgba(10, 107, 110, 0.03);
  border-radius: 8px;
  margin-bottom: var(--spacing-md);
}

.legal-note:last-child {
  margin-bottom: 0;
}

.legal-acknowledgment {
  text-align: center;
  font-style: italic;
  color: var(--gray-600);
  margin-top: var(--spacing-xl);
  font-size: 0.9375rem;
}

.legal-section a {
  color: var(--primary-teal);
  text-decoration: underline;
  transition: color var(--transition-base);
}

.legal-section a:hover {
  color: var(--primary-green);
}

/* Mobile optimizations for legal content */
@media (max-width: 768px) {
  .legal-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .legal-title {
    font-size: 2rem;
  }
  
  .legal-heading {
    font-size: 1.5rem;
  }
  
  .legal-subheading {
    font-size: 1.125rem;
  }
  
  .legal-section p,
  .legal-list li {
    font-size: 0.9375rem;
  }
  
  .legal-list li {
    padding-left: 1.5rem;
  }
}

/* ================================
   SUPPORT PAGE STYLES
   ================================ */

.faq-item {
  margin-bottom: var(--spacing-xl);
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-sm);
  border-left: 3px solid var(--primary-green);
}

.support-contact-card {
  background: linear-gradient(135deg, rgba(10, 107, 110, 0.08) 0%, rgba(16, 185, 129, 0.08) 100%);
  border: 2px solid var(--primary-green);
  padding: var(--spacing-lg);
  border-radius: 12px;
  margin: var(--spacing-lg) 0;
}

.support-contact-card h3 {
  margin-top: 0;
  color: var(--primary-teal);
}

.support-note {
  font-size: 0.9375rem;
  color: var(--gray-600);
  margin-top: var(--spacing-md);
  font-style: italic;
}

.twitter-link {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--primary-teal);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.twitter-link:hover {
  color: var(--primary-green);
  background: rgba(16, 185, 129, 0.1);
  text-decoration: none;
}

/* Support page mobile optimizations */
@media (max-width: 768px) {
  .faq-question {
    font-size: 1rem;
  }

  .support-contact-card {
    padding: var(--spacing-md);
  }
}

/* ================================
   DARK MODE
   ================================ */

@media (prefers-color-scheme: dark) {
  :root {
    /* Clean dark mode colors */
    --gray-900: #FFFFFF;
    --gray-700: #E5E7EB;
    --gray-600: #A1A1AA;
    --gray-400: #71717A;
    --white: #18181B;

    /* Bright, cheerful brand colors */
    --primary-teal: #5EEAD4;
    --primary-green: #86EFAC;
    --soft-sky: #93C5FD;

    --gradient-primary: linear-gradient(135deg, #5EEAD4 0%, #86EFAC 100%);
    --gradient-hero: linear-gradient(135deg, #5EEAD4 0%, #86EFAC 50%, #93C5FD 100%);
  }

  body {
    background-color: #18181B;
  }

  body::before {
    background: linear-gradient(135deg, #5EEAD4 0%, #86EFAC 50%, #93C5FD 100%);
    opacity: 0.04;
  }

  /* Header */
  .header {
    background: rgba(24, 24, 27, 0.9);
  }

  .header-scrolled {
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.1);
  }

  /* Feature cards */
  .feature-card {
    background: #27272A;
    border-color: rgba(255, 255, 255, 0.1);
  }

  .feature-card:hover {
    box-shadow: 0 8px 30px rgba(94, 234, 212, 0.1);
    border-color: rgba(94, 234, 212, 0.3);
  }

  .feature-icon {
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.15) 0%, rgba(134, 239, 172, 0.15) 100%);
  }

  /* Section backgrounds */
  .section-alt {
    background: rgba(39, 39, 42, 0.5);
  }

  .section-cta {
    background: rgba(39, 39, 42, 0.5);
  }

  /* Step number */
  .step-number {
    box-shadow: 0 0 16px rgba(134, 239, 172, 0.25);
  }

  /* Privacy block */
  .privacy-icon {
    background: linear-gradient(135deg, rgba(94, 234, 212, 0.15) 0%, rgba(134, 239, 172, 0.15) 100%);
  }

  .privacy-check {
    color: #86EFAC;
  }

  /* Legal pages */
  .legal-heading {
    color: #5EEAD4;
    border-bottom-color: #86EFAC;
  }

  .legal-highlight {
    background: rgba(94, 234, 212, 0.1);
    border-left-color: #86EFAC;
  }

  .legal-note {
    background: rgba(39, 39, 42, 0.8);
  }

  .legal-footer {
    border-top-color: rgba(255, 255, 255, 0.1);
  }

  .legal-list li::before {
    color: #86EFAC;
  }

  .legal-section a {
    color: #5EEAD4;
  }

  .legal-section a:hover {
    color: #86EFAC;
  }

  .contact-info {
    background: rgba(94, 234, 212, 0.1);
    border-left-color: #86EFAC;
  }

  .contact-info a {
    color: #5EEAD4;
  }

  .contact-info a:hover {
    color: #86EFAC;
  }

  /* Support page */
  .faq-question {
    border-left-color: #86EFAC;
  }

  .support-contact-card {
    background: rgba(94, 234, 212, 0.1);
    border-color: rgba(134, 239, 172, 0.5);
  }

  .support-contact-card h3 {
    color: #5EEAD4;
  }

  .twitter-link {
    color: #5EEAD4;
  }

  .twitter-link:hover {
    color: #86EFAC;
    background: rgba(134, 239, 172, 0.1);
  }

  /* Footer */
  .footer-links-inline a:hover {
    color: #86EFAC;
  }

  /* Selection */
  ::selection {
    background: #5EEAD4;
    color: #18181B;
  }

  ::-moz-selection {
    background: #5EEAD4;
    color: #18181B;
  }

  /* Focus */
  a:focus,
  button:focus {
    outline-color: #5EEAD4;
  }

  /* Airtable embed */
  .airtable-embed {
    border-color: rgba(255, 255, 255, 0.1) !important;
  }

  /* Screenshot */
  .screenshot {
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.5));
  }
}