/* OptiPress Website — Main Stylesheet
 * Integrates Design System Tokens, Modern Layouts, Interactive Components.
 */

@import './typography.css';
@import './tokens.css';

/* ── 1. Base & Reset ───────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--background);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--background);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* ── 2. Typography Classes ─────────────────────────────────────────────────── */
.font-display { font-family: 'Plus Jakarta Sans', -apple-system, sans-serif; }
.font-ui      { font-family: 'Inter', -apple-system, sans-serif; }
.font-mono    { font-family: 'JetBrains Mono', monospace; }

h1, h2, h3, h4, .brand-text {
  font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

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

/* ── 3. Layout Containers ──────────────────────────────────────────────────── */
.site-container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-spacing {
  padding-top: 96px;
  padding-bottom: 96px;
}

@media (max-width: 768px) {
  .section-spacing {
    padding-top: 64px;
    padding-bottom: 64px;
  }
}

/* ── 4. Navigation Bar ─────────────────────────────────────────────────────── */
.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-color: var(--surface-glass);
  border-bottom: 1px solid var(--border-hairline);
  transition: all 0.2s ease;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-tile {
  width: 40px;
  height: 40px;
  background: var(--hero-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(73, 62, 229, 0.3);
  transition: transform 0.2s ease;
}

.brand-logo-tile:hover {
  transform: scale(1.04);
}

.brand-logo-img {
  display: block;
  object-fit: contain;
  border-radius: 9px;
  box-shadow: 0 4px 12px rgba(73, 62, 229, 0.25);
  transition: transform 0.2s ease;
}

.brand-logo-img:hover {
  transform: scale(1.05);
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 9999px;
  background-color: var(--primary-fixed);
  color: var(--on-primary-fixed-variant);
  transition: opacity 0.15s ease;
}

.brand-badge:hover {
  opacity: 0.85;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile Menu Hamburger Button */
.mobile-menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
}

.mobile-menu-btn:hover {
  background-color: var(--surface-card);
  border-color: var(--primary);
}

.hamburger-bar {
  width: 18px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease;
}

/* Morph to X when active */
.mobile-menu-btn.active .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-btn.active .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--surface-main);
  border-bottom: 1px solid var(--border-hairline);
  padding: 16px 20px 24px 20px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform-origin: top;
  z-index: 100;
}

.mobile-nav-drawer.hidden {
  display: none;
  opacity: 0;
  transform: translateY(-8px);
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  border-radius: 8px;
  transition: all 0.15s ease;
}

.mobile-nav-link .sym {
  font-size: 18px;
  color: var(--text-muted);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s ease;
}

.mobile-nav-link:hover, .mobile-nav-link.nav-link-active {
  background-color: var(--primary-wash);
  color: var(--primary);
}

.mobile-nav-link:hover .sym,
.mobile-nav-link.nav-link-active .sym {
  color: var(--primary);
  transform: translateX(3px);
}

.mobile-nav-footer {
  margin-top: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

/* ── 5. Buttons & Badges ───────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--primary);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-primary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(73, 62, 229, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--surface-main);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--surface-card);
  border-color: var(--text-muted);
  transform: translateY(-1px);
}

.btn-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  background-color: var(--surface-card);
  color: var(--text-primary);
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 9999px;
  background-color: var(--primary-fixed);
  border: 1px solid var(--primary-fixed-dim);
  color: var(--on-primary-fixed-variant);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.status-dot-green {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--success-green);
  display: inline-block;
  box-shadow: 0 0 8px var(--success-green);
}

/* ── 6. Hero Section ───────────────────────────────────────────────────────── */
.hero-section {
  position: relative;
  padding-top: 48px;
  padding-bottom: 80px;
  overflow: hidden;
}

.hero-glow-bg {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 500px;
  background: var(--accent-glow);
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.hero-h1 {
  font-size: clamp(36px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  margin-top: 20px;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.hero-download-btn {
  padding: 14px 28px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 12px;
}

.hero-footnote {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 40px;
}

.trust-badges-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.trust-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ── 7. Hero Desktop App UI Mockup ─────────────────────────────────────────── */
.desktop-window-mockup {
  position: relative;
  width: 100%;
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  text-align: left;
}

.window-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background-color: var(--surface-alt);
  border-bottom: 1px solid var(--border-hairline);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.window-dot.red { background-color: #ff5f56; }
.window-dot.yellow { background-color: #ffbd2e; }
.window-dot.green { background-color: #27c93f; }

.window-title-text {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.mockup-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-bottom-left-radius: 13px;
  border-bottom-right-radius: 13px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.window-body {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 380px;
}

@media (max-width: 768px) {
  .window-body {
    grid-template-columns: 1fr;
  }
  .window-sidebar {
    display: none;
  }
}

.window-sidebar {
  background-color: var(--surface-alt);
  border-right: 1px solid var(--border-hairline);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.sidebar-nav-item.active {
  background-color: var(--primary-fixed);
  color: var(--primary);
}

.window-main {
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.batch-queue-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-batch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--surface-card);
  border-radius: 8px;
  border: 1px solid var(--border-hairline);
  font-size: 13px;
  transition: all 0.3s ease;
}

.batch-row-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.batch-row-right {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: 'JetBrains Mono', monospace;
}

.savings-pill {
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  background-color: var(--success-wash);
  color: var(--success-green);
}

.window-footer-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--border-hairline);
  font-size: 12px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

/* ── 8. Metrics Ticker Strip ───────────────────────────────────────────────── */
.ticker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--border-hairline);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  overflow: hidden;
}

@media (max-width: 900px) {
  .ticker-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 500px) {
  .ticker-grid {
    grid-template-columns: 1fr;
  }
}

.ticker-item {
  background-color: var(--surface-main);
  padding: 28px 24px;
  text-align: center;
}

.ticker-number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
  letter-spacing: -0.03em;
}

.ticker-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.ticker-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ── 9. Feature Matrix Cards ───────────────────────────────────────────────── */
.section-header {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 56px;
}

.section-h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  margin-top: 12px;
  margin-bottom: 16px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-fixed-dim);
}

.feature-icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--primary-wash);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.feature-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background-color: var(--primary-wash);
  padding: 4px 10px;
  border-radius: 6px;
  align-self: flex-start;
}

/* ── 10. Interactive Comparison Slider ─────────────────────────────────────── */
.compare-widget-card {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.compare-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 16px;
}

.format-pills-group {
  display: flex;
  gap: 6px;
  background-color: var(--surface-card);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border-hairline);
}

.format-pill {
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
}

.format-pill:hover {
  color: var(--text-primary);
}

.format-pill.active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(73, 62, 229, 0.3);
}

.compare-viewport {
  --split-pos: 50%;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 520px;
  min-height: 300px;
  border-radius: 12px;
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
  background-color: #0b0d13;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  touch-action: pan-y;
}

@media (max-width: 768px) {
  .compare-viewport {
    aspect-ratio: 4 / 3;
    max-height: 380px;
  }
}

.compare-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.compare-before-layer {
  z-index: 1;
}

.compare-after-layer {
  z-index: 2;
  clip-path: polygon(var(--split-pos) 0%, 100% 0%, 100% 100%, var(--split-pos) 100%);
  -webkit-clip-path: polygon(var(--split-pos) 0%, 100% 0%, 100% 100%, var(--split-pos) 100%);
  will-change: clip-path;
}

.compare-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.compare-divider-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--split-pos);
  width: 2px;
  transform: translateX(-50%);
  background-color: #ffffff;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.8), 0 0 4px rgba(73, 62, 229, 0.6);
  z-index: 10;
  pointer-events: none;
  will-change: left;
}

.compare-handle-circle {
  position: absolute;
  top: 50%;
  left: var(--split-pos);
  transform: translate(-50%, -50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background-color: #ffffff;
  border: 2px solid var(--primary);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 0 0 4px rgba(73, 62, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  z-index: 12;
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  will-change: left, transform;
}

.compare-handle-circle:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 0 0 6px rgba(73, 62, 229, 0.3);
}

.compare-viewport.is-dragging {
  cursor: grabbing;
}

.compare-viewport.is-dragging .compare-handle-circle {
  cursor: grabbing;
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.6), 0 0 0 8px rgba(73, 62, 229, 0.35);
}

.compare-label-chip {
  position: absolute;
  top: 16px;
  padding: 5px 12px;
  border-radius: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  background-color: rgba(15, 17, 23, 0.85);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 8;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.compare-label-chip.before {
  left: 16px;
}

.compare-label-chip.after {
  right: 16px;
}

.compare-hint-pill {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 600;
  background-color: rgba(15, 17, 23, 0.75);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 8;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.compare-viewport.is-dragging .compare-hint-pill {
  opacity: 0;
}

.compare-telemetry-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 20px;
  padding: 18px 20px;
  background-color: var(--surface-alt);
  border-radius: 12px;
  border: 1px solid var(--border-hairline);
  font-family: 'JetBrains Mono', monospace;
}

@media (max-width: 900px) {
  .compare-telemetry-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (max-width: 600px) {
  .compare-telemetry-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.telemetry-item-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.telemetry-item-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── 11. Comparison Matrix Table ───────────────────────────────────────────── */
.table-wrapper {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

.compare-table th {
  padding: 16px 20px;
  background-color: var(--surface-alt);
  border-bottom: 1px solid var(--border-hairline);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 14px;
}

.compare-table th.highlight, .compare-table td.highlight {
  background-color: var(--primary-wash);
}

.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-secondary);
}

.compare-table tr:last-child td {
  border-bottom: none;
}

/* ── 12. How It Works (3 Steps) ────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

@media (max-width: 860px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 14px;
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.step-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background-color: var(--primary-wash);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
}

.step-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

/* ── 13. Download & Release Hub ────────────────────────────────────────────── */
.download-hub-card {
  background: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 18px;
  padding: 48px 36px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  overflow: hidden;
}

.download-checksum-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background-color: var(--surface-card);
  border: 1px solid var(--border-hairline);
  border-radius: 10px;
  padding: 10px 16px;
  margin-top: 24px;
  margin-bottom: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  text-align: left;
  overflow-x: auto;
}

.copy-hash-btn {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  white-space: nowrap;
  transition: all 0.15s ease;
}

.copy-hash-btn:hover {
  background-color: var(--primary-wash);
  color: var(--primary);
}

.alt-downloads-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-hairline);
  font-size: 13px;
}

.alt-download-link {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s ease;
}

.alt-download-link:hover {
  color: var(--primary);
}

/* ── 14. Interactive FAQ Accordion ─────────────────────────────────────────── */
.faq-list {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
}

.faq-item:hover {
  border-color: var(--primary-fixed-dim);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-answer {
  padding: 0 24px 20px 24px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-soft);
  padding-top: 16px;
}

.faq-icon {
  transition: transform 0.2s ease;
  color: var(--text-muted);
}

/* ── 15. Quickstart & Guidance Modal ───────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  transition: opacity 0.2s ease;
}

.modal-content {
  background-color: var(--surface-main);
  border: 1px solid var(--border-hairline);
  border-radius: 18px;
  max-width: 600px;
  width: 100%;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  transform: scale(1);
  transition: transform 0.2s ease;
  position: relative;
}

.modal-step-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

/* ── 16. Sticky Bottom Bar ─────────────────────────────────────────────────── */
.sticky-download-bar {
  position: fixed;
  bottom: max(20px, env(safe-area-inset-bottom, 20px));
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  background-color: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-hairline);
  border-radius: 9999px;
  padding: 8px 14px 8px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25), 0 0 1px rgba(255, 255, 255, 0.15);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  max-width: 90vw;
}

.sticky-bar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sticky-bar-title {
  font-weight: 700;
  font-size: 13px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
}

.sticky-ver-pill {
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  background-color: var(--primary-wash);
  color: var(--primary);
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.sticky-bar-sub {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.2;
}

.sticky-cta-btn {
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 9999px;
  box-shadow: 0 4px 12px rgba(73, 62, 229, 0.3);
  white-space: nowrap;
}

/* ── 17. Toast Notification ────────────────────────────────────────────────── */
.toast-notice {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background-color: #1a1d23;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transition: all 0.25s ease;
}

/* ── 18. Footer ────────────────────────────────────────────────────────────── */
.site-footer {
  background-color: var(--surface-main);
  border-top: 1px solid var(--border-hairline);
  padding-top: 64px;
  padding-bottom: 40px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 500px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-link {
  color: var(--text-secondary);
  transition: color 0.15s ease;
}

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

.footer-bottom-bar {
  border-top: 1px solid var(--border-hairline);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 16px;
}

/* ── Utilities ─────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.opacity-0 { opacity: 0; }
.opacity-100 { opacity: 1; }
.translate-y-full { transform: translateY(100%) translateX(-50%); }
.translate-y-0 { transform: translateY(0) translateX(-50%); }
.scale-95 { transform: scale(0.95); }

/* ── 19. Animations & Scroll Reveal ────────────────────────────────────────── */

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

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(24px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes floatSubtle {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Scroll reveal trigger styles */
.reveal-init {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-init.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.94) translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale.is-revealed {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Stagger Delays for Grid Cascades */
.stagger-1 { transition-delay: 0.08s; }
.stagger-2 { transition-delay: 0.16s; }
.stagger-3 { transition-delay: 0.24s; }
.stagger-4 { transition-delay: 0.32s; }
.stagger-5 { transition-delay: 0.40s; }
.stagger-6 { transition-delay: 0.48s; }

/* Enhanced Card Hover Transitions */
.feature-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 36px rgba(73, 62, 229, 0.14);
  border-color: var(--primary);
}

.feature-icon-box {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease, color 0.3s ease;
}

.feature-card:hover .feature-icon-box {
  transform: scale(1.12) rotate(-4deg);
  background-color: var(--primary);
  color: #ffffff;
}

.step-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(73, 62, 229, 0.12);
  border-color: var(--primary);
}

.step-card:hover .feature-icon-box {
  transform: scale(1.1) rotate(4deg);
  background-color: var(--primary);
  color: #ffffff;
}

.ticker-item {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease, box-shadow 0.3s ease;
}

.ticker-item:hover {
  transform: translateY(-4px);
  background-color: var(--surface-card);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.desktop-window-mockup {
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s ease;
}

.desktop-window-mockup:hover {
  transform: translateY(-5px);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
}

.compare-widget-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease, border-color 0.3s ease;
}

.compare-widget-card:hover {
  border-color: var(--primary-container);
  box-shadow: 0 16px 40px rgba(73, 62, 229, 0.10);
}

.table-wrapper {
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.3s ease;
}

.table-wrapper:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-fixed-dim);
}

.faq-item {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease;
}

.faq-item:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.download-hub-card {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, border-color 0.3s ease;
}

.download-hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: 0 24px 60px rgba(73, 62, 229, 0.20);
}

.eyebrow-pill {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.eyebrow-pill:hover {
  transform: scale(1.03);
}

/* Accessibility: Respect Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .reveal-init, .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .feature-card:hover, .step-card:hover, .ticker-item:hover, .desktop-window-mockup:hover, .download-hub-card:hover {
    transform: none !important;
  }
}

/* ── 20. Comprehensive Mobile & Tablet Breakpoints ─────────────────────────── */

/* Specs Split Grid */
.specs-split-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 32px;
  align-items: start;
}

@media (min-width: 861px) {
  .mobile-only {
    display: none !important;
  }
}

@media (max-width: 860px) {
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: flex !important;
  }
  .nav-links {
    display: none !important;
  }
  .specs-split-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .trust-badges-row {
    gap: 20px;
  }
}

@media (max-width: 640px) {
  /* Layout & Spacing */
  .site-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section-spacing {
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-h2 {
    font-size: clamp(24px, 6vw, 32px);
    margin-bottom: 12px;
  }

  /* Header adjustments */
  .sticky-nav {
    padding: 10px 0;
  }
  
  .brand-group {
    gap: 8px;
  }
  
  .brand-logo-img {
    width: 32px;
    height: 32px;
  }
  
  .brand-title {
    font-size: 18px;
  }

  /* Hero Section */
  .hero-section {
    padding-top: 24px;
    padding-bottom: 48px;
  }

  .hero-h1 {
    font-size: clamp(26px, 7vw, 36px);
    line-height: 1.18;
    margin-top: 14px;
    margin-bottom: 14px;
  }

  .hero-sub {
    font-size: 14.5px;
    line-height: 1.55;
    margin-bottom: 24px;
    padding: 0 4px;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 340px;
    margin-left: auto;
    margin-right: auto;
    gap: 10px;
  }

  .hero-cta-group .btn-primary,
  .hero-cta-group .btn-secondary {
    width: 100%;
    justify-content: center;
    padding: 13px 20px;
    font-size: 15px;
  }

  .hero-footnote {
    font-size: 11px;
    margin-bottom: 28px;
    padding: 0 8px;
    line-height: 1.5;
  }

  .trust-badges-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 32px;
  }

  .trust-badge-item {
    font-size: 11.5px;
    gap: 6px;
    justify-content: center;
    background-color: var(--surface-main);
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid var(--border-hairline);
    text-align: center;
  }

  .desktop-window-mockup {
    border-radius: 10px;
    margin: 0 -4px;
  }

  .window-titlebar {
    padding: 8px 12px;
  }

  .window-title-text {
    font-size: 10.5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
  }

  /* Ticker Strip */
  .ticker-grid {
    grid-template-columns: 1fr 1fr;
    border-radius: 10px;
  }

  .ticker-item {
    padding: 18px 12px;
  }

  .ticker-number {
    font-size: 26px;
  }

  .ticker-label {
    font-size: 12.5px;
  }

  .ticker-desc {
    font-size: 11px;
  }

  /* Feature Matrix */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-card {
    padding: 24px 20px;
    border-radius: 12px;
  }

  /* Visual Quality Inspector */
  .compare-widget-card {
    padding: 16px 14px;
    border-radius: 12px;
  }

  .compare-topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .format-pills-group {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .format-pill {
    padding: 6px 4px;
    font-size: 11px;
    text-align: center;
  }

  .compare-viewport {
    aspect-ratio: 4 / 3;
    max-height: 280px;
    min-height: 220px;
    border-radius: 8px;
  }

  .compare-handle-circle {
    width: 36px;
    height: 36px;
  }

  .compare-label-chip {
    padding: 3px 8px;
    font-size: 10px;
    border-radius: 6px;
    top: 8px;
  }

  .compare-label-chip.before {
    left: 8px;
  }

  .compare-label-chip.after {
    right: 8px;
  }

  .compare-hint-pill {
    font-size: 10px;
    bottom: 6px;
    padding: 2px 8px;
  }

  .compare-telemetry-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px 14px;
  }

  /* Comparison & Specs Tables */
  .table-wrapper {
    border-radius: 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .compare-table {
    min-width: 560px;
  }

  .compare-table th,
  .compare-table td {
    padding: 12px 14px;
    font-size: 12.5px;
  }

  /* 3-Step Guide */
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .step-card {
    padding: 24px 20px;
    border-radius: 12px;
  }

  /* Download Hub */
  .download-hub-card {
    padding: 32px 18px;
    border-radius: 14px;
  }

  .download-hub-card h2 {
    font-size: 24px !important;
  }

  .download-hub-card .btn-primary {
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    white-space: normal;
    text-align: center;
    line-height: 1.35;
  }

  .alt-downloads-list {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  /* FAQ Accordion */
  .faq-question {
    padding: 16px 18px;
    font-size: 14.5px;
  }

  .faq-answer {
    padding: 0 18px 16px 18px;
    font-size: 13.5px;
  }

  /* Sticky Scroll Download Bar (Mobile Top-Bottom Layout) */
  .sticky-download-bar {
    bottom: max(12px, env(safe-area-inset-bottom, 12px));
    width: calc(100% - 24px);
    max-width: 360px;
    padding: 12px 14px;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    border-radius: 16px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.1);
  }

  .sticky-bar-brand {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 10px;
  }

  .sticky-logo {
    width: 28px !important;
    height: 28px !important;
    border-radius: 7px !important;
    flex-shrink: 0;
  }

  .sticky-bar-text {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    min-width: 0;
  }

  .sticky-bar-title {
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
  }

  .sticky-ver-pill {
    font-size: 10px;
  }

  .sticky-bar-sub {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
  }

  .sticky-cta-btn {
    width: 100%;
    justify-content: center;
    padding: 10px 14px;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: 10px;
  }

  /* Footer */
  .site-footer {
    padding-top: 48px;
    padding-bottom: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
  }

  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }

  /* Modal */
  .modal-content {
    padding: 20px 16px;
    max-height: 88vh;
    overflow-y: auto;
  }
}

@media (max-width: 380px) {
  .ticker-grid {
    grid-template-columns: 1fr;
  }
  
  .trust-badges-row {
    grid-template-columns: 1fr;
  }

  .compare-telemetry-grid {
    grid-template-columns: 1fr;
  }
}