/* ============================================================
   Doable Marketing Website — Design System & Styles
   Ocean Theme: calm blues, generous whitespace, soft shapes
   ============================================================ */

/* ------------------------------------------------------------
   CSS Custom Properties
   ------------------------------------------------------------ */
:root {
  /* Colors — Ocean Theme */
  --color-primary: #5B93D4;
  --color-secondary: #7C5CBF;
  --color-gradient-start: #606BF9;
  --color-gradient-end: #935BF4;
  --color-bg: #F8F9FA;
  --color-surface: #FFFFFF;
  --color-text: #1A1A2E;
  --color-text-secondary: #4A5568;
  --color-text-tertiary: #A0AEC0;
  --color-success: #48BB78;
  --color-warning: #ECC94B;
  --color-error: #E07A6B;

  /* Spacing — 4px grid */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-card-hover: 0 12px 24px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.06);
  --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-device: 0 20px 60px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.08);
  --shadow-elevated: 0 8px 30px rgba(0, 0, 0, 0.1), 0 2px 6px rgba(0, 0, 0, 0.05);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}


/* ------------------------------------------------------------
   CSS Reset
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-secondary);
}

ul, ol {
  padding-left: var(--space-lg);
}

button {
  font-family: inherit;
}


/* ------------------------------------------------------------
   Typography Scale
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 var(--space-md);
  line-height: 1.2;
  color: var(--color-text);
}

h1 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 24px;
  font-weight: 600;
}

h4 {
  font-size: 18px;
  font-weight: 600;
}

p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

small, .text-small {
  font-size: 14px;
}


/* ------------------------------------------------------------
   Layout
   ------------------------------------------------------------ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

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

.section-header p {
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}


/* ------------------------------------------------------------
   Skip Link (Accessibility)
   ------------------------------------------------------------ */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 200;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: #FFFFFF;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: var(--space-md);
  color: #FFFFFF;
}


/* ------------------------------------------------------------
   Navigation
   ------------------------------------------------------------ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: var(--shadow-nav);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
}

.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  background: var(--color-primary);
  color: #FFFFFF !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: #4A82C3;
  transform: scale(1.02);
  color: #FFFFFF;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger open state animation */
.nav-open .hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-open .hamburger span:nth-child(2) {
  opacity: 0;
}

.nav-open .hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}


/* ------------------------------------------------------------
   Buttons
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.btn-primary {
  background: var(--color-primary);
  color: #FFFFFF;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  transform: scale(1.02);
  filter: brightness(1.08);
  box-shadow: 0 4px 16px rgba(91, 147, 212, 0.35);
  color: #FFFFFF;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-text-tertiary);
}

.btn-secondary:hover {
  transform: scale(1.02);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-large {
  padding: 16px 32px;
  font-size: 18px;
}


/* ------------------------------------------------------------
   Cards
   ------------------------------------------------------------ */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card-elevated {
  box-shadow: var(--shadow-elevated);
}

.card-elevated:hover {
  box-shadow: var(--shadow-card-hover);
}

.card-accent {
  background: rgba(91, 147, 212, 0.06);
}


/* ------------------------------------------------------------
   Badges
   ------------------------------------------------------------ */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-free {
  background: rgba(72, 187, 120, 0.15);
  color: #2F855A;
}

.badge-pro {
  background: rgba(91, 147, 212, 0.15);
  color: #2B6CB0;
}


/* ------------------------------------------------------------
   Hero Section
   ------------------------------------------------------------ */
.hero {
  text-align: center;
  padding: 120px 0 80px;
  background: linear-gradient(
    180deg,
    rgba(96, 107, 249, 0.04) 0%,
    rgba(147, 91, 244, 0.02) 60%,
    transparent 100%
  );
  position: relative;
  overflow: hidden;
}

.hero-icon {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  margin: 0 auto var(--space-lg);
}

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

.hero-subtitle {
  max-width: 600px;
  margin: 0 auto var(--space-xl);
  font-size: 18px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-3xl);
}

.hero-screenshots {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  max-width: 900px;
  margin: 0 auto;
}

.hero-screenshots img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-device);
}


/* ------------------------------------------------------------
   Feature Sections (alternating layout)
   ------------------------------------------------------------ */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: var(--space-4xl);
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row:nth-child(even) .feature-image {
  order: -1;
}

.feature-text .section-label {
  margin-bottom: var(--space-sm);
}

.feature-text h2 {
  margin-bottom: var(--space-md);
}

.feature-text p {
  margin-bottom: var(--space-lg);
  font-size: 17px;
  line-height: 1.7;
}

.feature-image img,
.feature-image video {
  width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-device);
}


/* ------------------------------------------------------------
   Comparison Grid (shame vs support)
   ------------------------------------------------------------ */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.comparison-item {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 1.5;
}

.comparison-bad {
  background: rgba(224, 122, 107, 0.1);
  color: #C53030;
}

.comparison-good {
  background: rgba(72, 187, 120, 0.1);
  color: #276749;
}


/* ------------------------------------------------------------
   Work Styles Grid
   ------------------------------------------------------------ */
.work-styles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.work-style-card .icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.work-style-card h4 {
  margin-bottom: var(--space-xs);
}

.work-style-card p {
  font-size: 14px;
  margin: 0;
}


/* ------------------------------------------------------------
   Platform Showcase
   ------------------------------------------------------------ */
.platform-grid {
  display: grid;
  gap: 24px;
}

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

.platform-card .platform-text {
  flex: 1;
}

.platform-card .platform-device {
  flex-shrink: 0;
}

.device-iphone {
  width: 220px;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow-device);
  background: var(--color-surface);
}

.device-iphone img {
  width: 100%;
  display: block;
}

.device-ipad {
  width: 360px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-device);
  background: var(--color-surface);
}

.device-ipad img {
  width: 100%;
  display: block;
}

.device-watch {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  overflow: hidden;
  box-shadow: var(--shadow-device);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.device-watch img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.device-coming-soon {
  width: 220px;
  height: 200px;
  border: 2px dashed var(--color-text-tertiary);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-weight: 600;
  font-size: 14px;
}


/* ------------------------------------------------------------
   Pricing
   ------------------------------------------------------------ */
.pricing-toggle {
  display: inline-flex;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 4px;
  margin-bottom: var(--space-2xl);
}

.pricing-toggle button {
  padding: 10px 24px;
  border: none;
  border-radius: 6px;
  background: transparent;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: all 0.2s ease;
}

.pricing-toggle button.active {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 8px rgba(91, 147, 212, 0.3);
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 700px;
  margin: 0 auto;
}

.pricing-card {
  border: 2px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  background: var(--color-surface);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.pricing-card.featured {
  border-color: var(--color-primary);
  background: rgba(91, 147, 212, 0.04);
}

.pricing-card.featured::before {
  content: 'BEST VALUE';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 14px;
  border-radius: 100px;
}

.pricing-card h3 {
  margin-bottom: var(--space-sm);
}

.pricing-card .pricing-description {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: var(--space-lg);
}

.price {
  font-size: 48px;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.price-period {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text-tertiary);
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: var(--space-lg) 0;
}

.pricing-features li {
  padding: var(--space-sm) 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}


/* ------------------------------------------------------------
   FAQ Accordion
   ------------------------------------------------------------ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  line-height: 1.4;
}

.faq-arrow {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: var(--space-md);
  transition: transform 0.3s ease;
  color: var(--color-text-tertiary);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding-bottom: var(--space-lg);
  font-size: 15px;
  line-height: 1.7;
}


/* ------------------------------------------------------------
   Support Cards
   ------------------------------------------------------------ */
.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.support-card {
  text-align: center;
  padding: var(--space-xl);
}

.support-card .icon {
  font-size: 36px;
  margin-bottom: var(--space-md);
}

.support-card h4 {
  margin-bottom: var(--space-xs);
}

.support-card .email {
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.support-card .subtitle {
  font-size: 14px;
  color: var(--color-text-tertiary);
  margin: 0;
}


/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding: 48px 0;
  background: var(--color-surface);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
}

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

.footer-brand .nav-logo {
  display: inline-flex;
}

.footer-brand .copyright {
  font-size: 13px;
  color: var(--color-text-tertiary);
  margin: 0;
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

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

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

.footer-column ul li a {
  font-size: 14px;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-column ul li a:hover {
  color: var(--color-primary);
}


/* ------------------------------------------------------------
   CTA Section
   ------------------------------------------------------------ */
.cta-section {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  text-align: center;
  border-radius: var(--radius-xl);
  padding: 80px;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.cta-section h2 {
  color: #FFFFFF;
}

.cta-section p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-section .btn-primary {
  background: #FFFFFF;
  color: var(--color-gradient-start);
  border-color: #FFFFFF;
}

.cta-section .btn-primary:hover {
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.cta-section .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
}

.cta-section .btn-secondary:hover {
  border-color: #FFFFFF;
  color: #FFFFFF;
}


/* ------------------------------------------------------------
   Trust / Privacy Badges
   ------------------------------------------------------------ */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: center;
}

.trust-item .icon {
  font-size: 32px;
  margin-bottom: var(--space-sm);
}

.trust-item h4 {
  margin-bottom: var(--space-xs);
}

.trust-item p {
  font-size: 14px;
  margin: 0;
}


/* ------------------------------------------------------------
   Category Nav (Features page)
   ------------------------------------------------------------ */
.category-nav {
  position: sticky;
  top: 64px;
  z-index: 90;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  padding: var(--space-md) 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.category-nav-inner {
  display: flex;
  gap: var(--space-sm);
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.category-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 8px 16px;
  border: 1.5px solid rgba(0, 0, 0, 0.1);
  border-radius: 100px;
  background: transparent;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-pill:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-pill.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}


/* ------------------------------------------------------------
   About Page
   ------------------------------------------------------------ */
.about-content {
  max-width: 720px;
  margin: 0 auto;
}

.about-section {
  margin-bottom: 48px;
}

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

.about-section p {
  font-size: 17px;
  line-height: 1.8;
}

.blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-lg) var(--space-xl);
  margin: var(--space-xl) 0;
  background: rgba(91, 147, 212, 0.06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}

.blockquote p {
  font-size: 17px;
  color: var(--color-text);
  margin: 0;
}


/* ------------------------------------------------------------
   Legal Pages (Privacy, Terms)
   ------------------------------------------------------------ */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-summary {
  border-left: 4px solid var(--color-primary);
  background: rgba(91, 147, 212, 0.06);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: var(--space-2xl);
}

.legal-summary p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}

.legal-content h2 {
  margin-top: 48px;
  margin-bottom: var(--space-md);
}

.legal-content p,
.legal-content li {
  line-height: 1.8;
  color: var(--color-text-secondary);
}

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


/* ------------------------------------------------------------
   404 Error Page
   ------------------------------------------------------------ */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
  padding: var(--space-xl);
}

.error-page h1 {
  font-size: 96px;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.error-page p {
  font-size: 18px;
  max-width: 400px;
  margin-bottom: var(--space-xl);
}


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

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

/* Staggered children in a reveal-group */
.reveal-group > *:nth-child(1) { transition-delay: 0s; }
.reveal-group > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-group > *:nth-child(3) { transition-delay: 0.2s; }
.reveal-group > *:nth-child(4) { transition-delay: 0.3s; }
.reveal-group > *:nth-child(5) { transition-delay: 0.4s; }
.reveal-group > *:nth-child(6) { transition-delay: 0.5s; }


/* ------------------------------------------------------------
   Keyframe Animations
   ------------------------------------------------------------ */

/* Device floating animation */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.device-float {
  animation: float 6s ease-in-out infinite;
}

/* Gradient shimmer */
@keyframes shimmer {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-shimmer {
  background: linear-gradient(
    135deg,
    var(--color-gradient-start),
    var(--color-gradient-end),
    var(--color-gradient-start)
  );
  background-size: 200% 200%;
  animation: shimmer 4s ease-in-out infinite;
}


/* ------------------------------------------------------------
   Responsive — Tablet (768px)
   ------------------------------------------------------------ */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
  }
}

@media (max-width: 767px) {
  /* Typography */
  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 20px;
  }

  /* Sections */
  .section {
    padding: 60px 0;
  }

  .section-header {
    margin-bottom: var(--space-xl);
  }

  /* Navigation — mobile menu */
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    gap: var(--space-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  }

  .nav-open .nav-links {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  /* Hero */
  .hero {
    padding: 96px 0 60px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .hero-ctas {
    flex-direction: column;
    align-items: center;
  }

  .hero-ctas .btn {
    width: 100%;
    max-width: 300px;
  }

  .hero-screenshots {
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
  }

  .hero-screenshots img:not(:first-child) {
    display: none;
  }

  /* Feature rows */
  .feature-row {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .feature-row:nth-child(even) .feature-image {
    order: 0;
  }

  .feature-image {
    order: -1;
  }

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

  /* Work styles grid */
  .work-styles-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  /* Support grid */
  .support-grid {
    grid-template-columns: 1fr;
  }

  /* Trust grid */
  .trust-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  /* CTA section */
  .cta-section {
    padding: 48px var(--space-lg);
    border-radius: var(--radius-lg);
  }

  /* Platform cards */
  .platform-card {
    flex-direction: column;
    text-align: center;
  }

  /* Device mockups */
  .device-iphone {
    width: 180px;
  }

  .device-ipad {
    width: 280px;
  }

  .device-watch {
    width: 120px;
    height: 120px;
  }

  .device-coming-soon {
    width: 180px;
    height: 160px;
  }
}

/* Small phones */
@media (max-width: 479px) {
  .container {
    padding: 0 16px;
  }

  .work-styles-grid {
    grid-template-columns: 1fr;
  }

  .price {
    font-size: 40px;
  }
}

/* Wide desktop */
@media (min-width: 1280px) {
  .container {
    padding: 0 32px;
  }
}


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

  .reveal {
    opacity: 1;
    transform: none;
  }
}


/* ------------------------------------------------------------
   Dark Mode
   ------------------------------------------------------------ */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1A1A2E;
    --color-surface: #2A2A4E;
    --color-text: #E2E8F0;
    --color-text-secondary: #A0AEC0;
    --color-text-tertiary: #6A7490;
    --color-primary: #7AB8F0;
    --color-secondary: #B08AFF;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-card-hover: 0 12px 24px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-nav: 0 1px 3px rgba(0, 0, 0, 0.2);
    --shadow-device: 0 20px 60px rgba(0, 0, 0, 0.3), 0 8px 20px rgba(0, 0, 0, 0.2);
    --shadow-elevated: 0 8px 30px rgba(0, 0, 0, 0.25), 0 2px 6px rgba(0, 0, 0, 0.15);
  }

  .site-nav {
    background: rgba(26, 26, 46, 0.85);
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }

  .nav-links {
    background: rgba(26, 26, 46, 0.98);
  }

  .hamburger span {
    background: var(--color-text);
  }

  .pricing-card {
    border-color: rgba(255, 255, 255, 0.08);
  }

  .pricing-card.featured {
    border-color: var(--color-primary);
    background: rgba(122, 184, 240, 0.06);
  }

  .faq-item {
    border-bottom-color: rgba(255, 255, 255, 0.08);
  }

  .site-footer {
    border-top-color: rgba(255, 255, 255, 0.08);
    background: var(--color-surface);
  }

  .comparison-bad {
    background: rgba(224, 122, 107, 0.15);
    color: #FEB2B2;
  }

  .comparison-good {
    background: rgba(72, 187, 120, 0.15);
    color: #9AE6B4;
  }

  .badge-free {
    background: rgba(72, 187, 120, 0.2);
    color: #68D391;
  }

  .badge-pro {
    background: rgba(122, 184, 240, 0.2);
    color: #90CDF4;
  }

  .category-nav {
    background: rgba(26, 26, 46, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.06);
  }

  .category-pill {
    border-color: rgba(255, 255, 255, 0.12);
  }

  .pricing-toggle {
    background: rgba(255, 255, 255, 0.06);
  }

  .pricing-toggle button {
    color: var(--color-text-secondary);
  }

  .legal-summary {
    background: rgba(122, 184, 240, 0.08);
  }

  .blockquote {
    background: rgba(122, 184, 240, 0.08);
    border-left-color: var(--color-primary);
  }

  .card-accent {
    background: rgba(122, 184, 240, 0.08);
  }
}