/* CSS Reset & Variable Definitions - Light Paper Theme */
:root {
  --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
  
  /* Color Palette - Premium Paper & Graphite Theme */
  --bg-main: #fcfbf9;         /* Warm paper texture color */
  --bg-secondary: #f4f3ef;    /* Soft warm gray for container backgrounds */
  --bg-card: #ffffff;         /* Pure white cards */
  --bg-card-hover: #faf9f6;   /* Slightly warmer cream for card hovers */
  
  --text-primary: #1f242f;    /* Deep charcoal / graphite black */
  --text-secondary: #4a5468;  /* Slate gray */
  --text-muted: #828c9e;      /* Cool gray */
  
  --primary: #3b3c4f;         /* Elegant slate / graphite */
  --primary-accent: #4f46e5;  /* Soft Indigo for CTAs and focus elements */
  --primary-glow: rgba(79, 70, 229, 0.08);
  --secondary: #0d9488;       /* Teal for success states */
  --secondary-glow: rgba(13, 148, 136, 0.08);
  
  --border-color: #e2e1dc;    /* Warm gray borders */
  --border-color-hover: #a3a29d;
  
  --max-width: 1200px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  overflow-x: hidden;
  position: relative;
  min-block-size: 100vh;
  display: flex;
  flex-direction: column;
}

/* Background Blueprint Grid (Subtle Sketch Texture) */
body::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(#e4e2db 1.2px, transparent 1.2px);
  background-size: 24px 24px;
  opacity: 0.7;
  z-index: -2;
  pointer-events: none;
}

/* Typography Styles */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

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

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

code {
  font-family: var(--font-mono);
}

/* Common Layout Components */
.section-container {
  inline-size: 100%;
  max-inline-size: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Promo Top Bar Strip */
.promo-strip {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(90deg, #334155 0%, #4f46e5 100%);
  color: #ffffff;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  border-block-end: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 1px 3px rgba(31, 36, 47, 0.05);
  font-size: 0.85rem;
  font-weight: 500;
}

.promo-strip-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0 1rem;
}

.promo-badge {
  background-color: rgba(20, 184, 166, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.3);
  color: #2dd4bf;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.promo-text-desktop,
.promo-text-mobile {
  color: rgba(255, 255, 255, 0.95);
  font-weight: 600;
}

.promo-text-mobile {
  display: none;
}

.promo-copy-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px dashed rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: #ffffff;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.promo-copy-btn:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: #ffffff;
}

.promo-copy-icon {
  color: rgba(255, 255, 255, 0.7);
}

.promo-tooltip {
  position: absolute;
  top: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background-color: var(--primary);
  border: 1px solid var(--border-color);
  color: #ffffff;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-family: var(--font-sans);
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.promo-copy-btn:hover .promo-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Main Header */
.main-header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  height: 80px;
  background-color: rgba(252, 251, 249, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-block-end: 1px solid var(--border-color);
  z-index: 100;
  transition: background-color var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-inline-size: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.logo-icon {
  width: 26px;
  height: 26px;
  color: var(--primary);
}

.nav-menu ul {
  display: flex;
  list-style: none;
  gap: 2.2rem;
}

.nav-menu a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid var(--primary);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(31, 36, 47, 0.12);
}

.btn-primary:hover {
  background-color: var(--primary-accent);
  border-color: var(--primary-accent);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.25);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

.btn-tertiary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
}

.btn-tertiary:hover {
  color: var(--primary-accent);
  text-decoration: underline;
}

.btn-header {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

/* Hamburger menu button for responsive */
.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger-menu span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
  padding-block-start: 200px;
  padding-block-end: 80px;
  position: relative;
}

/* 3D Background Shapes */
.hero-3d-shapes {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.hero-3d-shapes .shape {
  position: absolute;
  opacity: 0.35; /* Increased from 0.08 for better visibility */
  filter: drop-shadow(0 2px 5px rgba(0,0,0,0.03));
  transition: opacity var(--transition-normal);
}

.shape-cube {
  width: 90px;
  height: auto;
  top: 15%;
  left: 10%;
  animation: float-shape-1 20s ease-in-out infinite;
}

.shape-pyramid {
  width: 80px;
  height: auto;
  top: 25%;
  right: 12%;
  animation: float-shape-2 24s ease-in-out infinite;
}

.shape-cylinder {
  width: 75px;
  height: auto;
  bottom: 12%;
  left: 16%;
  animation: float-shape-3 28s ease-in-out infinite;
}

@keyframes float-shape-1 {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(15px, -25px) rotate(180deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

@keyframes float-shape-2 {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-15px, 30px) rotate(-180deg); }
  100% { transform: translate(0, 0) rotate(-360deg); }
}

@keyframes float-shape-3 {
  0% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(12px, -20px) rotate(180deg); }
  100% { transform: translate(0, 0) rotate(360deg); }
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-badge-container {
  margin-block-end: 1.5rem;
}

.hero-badge {
  background-color: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.15);
  color: var(--primary-accent);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  max-width: 900px;
  margin-block-end: 1.5rem;
  line-height: 1.15;
  font-weight: 800;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  max-width: 680px;
  margin-block-end: 2.5rem;
  color: var(--text-secondary);
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-block-end: 4.5rem;
}

.hero-mockup-wrapper {
  inline-size: 100%;
  max-inline-size: 1000px;
  position: relative;
}

.mockup-frame {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 40px rgba(31, 36, 47, 0.08),
              0 1px 3px rgba(31, 36, 47, 0.04);
  transition: border-color var(--transition-normal);
}

.mockup-frame:hover {
  border-color: var(--primary);
}

.mockup-header {
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 1rem;
  background-color: var(--bg-secondary);
  border-block-end: 1px solid var(--border-color);
}

.mockup-dots {
  display: flex;
  gap: 0.35rem;
}

.mockup-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: rgba(31, 36, 47, 0.15);
}

.mockup-title {
  margin: 0 auto;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-weight: 500;
}

.mockup-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  background-color: #ffffff;
  min-height: 380px;
}

.mockup-code-pane {
  background-color: #faf9f6;
  border-inline-end: 1px solid var(--border-color);
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-primary);
  text-align: left;
  overflow-x: auto;
  user-select: none;
}

.code-line {
  line-height: 1.6;
  white-space: pre;
}

.line-num {
  display: inline-block;
  width: 20px;
  color: var(--text-muted);
  margin-inline-end: 0.75rem;
  text-align: right;
}

.code-keyword { color: #4f46e5; font-weight: 600; }
.code-type { color: #0d9488; font-weight: 600; }
.code-string { color: #b45309; }
.code-cursor-blink {
  color: var(--primary-accent);
  font-weight: 700;
  animation: blink 0.8s infinite;
}

.mockup-canvas-pane {
  background-color: #ffffff;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.mockup-svg {
  width: 100%;
  height: auto;
  max-height: 350px;
}

/* Micro Animations for Hero Canvas Mockup */

/* 1. Moving Data Packets */
.packet {
  animation: move-packet 4s linear infinite;
  transform-box: fill-box;
  transform-origin: center;
}

/* Path coordinates offset-path mapping */
.packet-lb-app {
  offset-path: path('M 300 90 L 300 115 L 180 115 L 180 140');
  animation-duration: 3.5s;
}

.packet-lb-cache {
  offset-path: path('M 300 90 L 300 115 L 420 115 L 420 140');
  animation-duration: 3s;
  animation-delay: 1.5s;
}

.packet-app-db {
  offset-path: path('M 180 210 L 180 235 L 300 235 L 300 260');
  animation-duration: 4s;
  animation-delay: 0.8s;
}

@keyframes move-packet {
  0% {
    offset-distance: 0%;
    opacity: 0;
    scale: 0.3;
  }
  10% {
    opacity: 1;
    scale: 1;
  }
  90% {
    opacity: 1;
    scale: 1;
  }
  100% {
    offset-distance: 100%;
    opacity: 0;
    scale: 0.3;
  }
}

/* 2. Simulated Mouse Cursor loop */
.simulated-mouse {
  animation: move-mouse 8s ease-in-out infinite;
  transform-box: fill-box;
  transform-origin: center;
  position: absolute;
}

@keyframes move-mouse {
  0% { transform: translate(350px, 320px); }
  15% { transform: translate(300px, 290px); }
  22% { transform: translate(300px, 290px) scale(0.9); }
  30% { transform: translate(300px, 290px); }
  50% { transform: translate(180px, 170px); }
  57% { transform: translate(180px, 170px) scale(0.9); }
  65% { transform: translate(180px, 170px); }
  85% { transform: translate(350px, 320px); }
  100% { transform: translate(350px, 320px); }
}

/* 3. Click Ripple Animation */
.click-ripple {
  stroke: var(--primary-accent);
  stroke-width: 1.5;
  fill: none;
  animation: ripple-effect 8s ease-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes ripple-effect {
  0%, 20% { r: 0; opacity: 0; }
  22% { r: 1px; opacity: 0.8; }
  28% { r: 24px; opacity: 0; }
  100% { r: 24px; opacity: 0; }
}

/* 4. Soft Node Highlight Breathing */
.mockup-node {
  transition: transform var(--transition-fast), stroke var(--transition-fast);
  transform-box: fill-box;
  transform-origin: center;
}

.node-db {
  animation: db-pulse 8s ease-in-out infinite;
}

@keyframes db-pulse {
  0%, 20% { stroke: #334155; fill: #ffffff; }
  22% { stroke: var(--primary-accent); fill: var(--primary-glow); }
  35% { stroke: #334155; fill: #ffffff; }
  100% { stroke: #334155; fill: #ffffff; }
}

.node-app {
  animation: app-pulse 8s ease-in-out infinite;
}

@keyframes app-pulse {
  0%, 55% { stroke: #334155; fill: #ffffff; }
  57% { stroke: var(--primary-accent); fill: var(--primary-glow); }
  70% { stroke: #334155; fill: #ffffff; }
  100% { stroke: #334155; fill: #ffffff; }
}

/* Coupon Sticky / Highlight Banner */
.coupon-banner-section {
  padding: 2rem 0;
}

.coupon-banner-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(31, 36, 47, 0.05);
}

.coupon-content {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.badge-promo {
  background-color: rgba(13, 148, 136, 0.08);
  border: 1px solid rgba(13, 148, 136, 0.2);
  color: var(--secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.coupon-text {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 600;
}

.coupon-action {
  position: relative;
}

.coupon-code-button {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 1.2rem;
  background-color: var(--bg-secondary);
  border: 1px dashed var(--border-color-hover);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.coupon-code-button:hover {
  background-color: rgba(79, 70, 229, 0.05);
  border-color: var(--primary-accent);
  border-style: solid;
}

.copy-icon {
  color: var(--text-secondary);
}

.coupon-code-button:hover .copy-icon {
  color: var(--primary-accent);
}

/* Tooltip */
.copy-tooltip {
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background-color: var(--primary);
  color: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-sans);
  pointer-events: none;
  opacity: 0;
  transition: all var(--transition-fast);
  white-space: nowrap;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.coupon-code-button:hover .copy-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Section Header Shared */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem auto;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  margin-block-end: 1rem;
  font-weight: 800;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Showcase Section */
.showcase-section {
  padding: 80px 0;
}

.showcase-tabs-container {
  display: flex;
  justify-content: center;
  margin-block-end: 2.5rem;
  overflow-x: auto;
  padding-block-end: 0.5rem;
}

.showcase-tabs {
  display: inline-flex;
  background-color: var(--bg-secondary);
  padding: 0.35rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  white-space: nowrap;
}

.tab-btn {
  padding: 0.65rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--primary-accent);
}

.tab-btn.active {
  background-color: #ffffff;
  color: var(--text-primary);
  box-shadow: 0 2px 6px rgba(31, 36, 47, 0.08);
  border: 1px solid var(--border-color);
}

.showcase-display {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(31, 36, 47, 0.06);
}

.showcase-pane {
  display: none;
}

.showcase-pane.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

.pane-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 380px;
}

.pane-code {
  background-color: #fcfbf9;
  border-inline-end: 1px solid var(--border-color);
  padding: 1.5rem;
  font-family: var(--font-mono);
  overflow-x: auto;
}

.code-header {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: 1rem;
}

.pane-code pre {
  font-size: 0.85rem;
  line-height: 1.6;
}

.pane-code code {
  color: var(--text-primary);
}

.pane-canvas {
  background-color: #ffffff;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
}

.canvas-header {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: 1rem;
}

.canvas-content {
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.svg-diagram {
  max-width: 100%;
  max-height: 320px;
  height: auto;
}

/* Pencil Sketch SVG styling */
.svg-diagram rect,
.svg-diagram circle,
.svg-diagram path {
  transition: all var(--transition-fast);
}

.diagram-node {
  cursor: pointer;
  filter: drop-shadow(0px 1px 2px rgba(0,0,0,0.05));
}

.diagram-node:hover {
  transform: translateY(-1px);
}

.showcase-cta {
  text-align: center;
  margin-block-start: 2.5rem;
}

/* Features Section */
.features-section {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  border-block-start: 1px solid var(--border-color);
  border-block-end: 1px solid var(--border-color);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.2rem;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 4px rgba(31, 36, 47, 0.02);
}

.feature-card:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(31, 36, 47, 0.06);
}

.feature-icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  margin-block-end: 1.5rem;
}

.feature-icon-box svg {
  width: 24px;
  height: 24px;
}

.feature-card:hover .feature-icon-box {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.feature-title {
  font-size: 1.25rem;
  margin-block-end: 0.75rem;
  font-weight: 700;
}

.feature-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* AI Feature Section */
.ai-feature-section {
  padding: 100px 0;
}

.ai-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 3rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(31, 36, 47, 0.06);
  position: relative;
  overflow: hidden;
}

.badge-tag {
  background-color: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.15);
  color: var(--primary-accent);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-block;
  margin-block-end: 1rem;
}

.ai-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  margin-block-end: 1.25rem;
  font-weight: 800;
}

.ai-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-block-end: 2rem;
}

.ai-interactive-field {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-primary);
}

.ai-prompt-input-line {
  display: flex;
  align-items: center;
}

.prompt-arrow {
  color: var(--primary-accent);
  margin-inline-end: 0.5rem;
  font-weight: bold;
}

.prompt-text-animation {
  color: var(--text-primary);
}

.prompt-cursor {
  color: var(--primary-accent);
  margin-inline-start: 0.15rem;
  animation: blink 0.8s infinite;
}

.inner-mockup {
  aspect-ratio: 4 / 2.4;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.svg-diagram-mini {
  width: 100%;
  height: 100%;
}

/* Pricing Section */
.pricing-section {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 4px rgba(31, 36, 47, 0.02);
}

.pricing-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
  box-shadow: 0 10px 25px rgba(31, 36, 47, 0.06);
}

.pro-card {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(31, 36, 47, 0.06);
}

.pro-card:hover {
  border-color: var(--primary-accent);
}

.popular-ribbon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background-color: var(--primary);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.tier-name {
  font-size: 1.35rem;
  margin-block-end: 1rem;
  font-weight: 700;
}

.tier-price {
  margin-block-end: 1rem;
  display: flex;
  align-items: baseline;
}

.tier-price .currency {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.tier-price .value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.tier-price .period {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-inline-start: 0.35rem;
}

.tier-tagline {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-block-end: 2rem;
  min-height: 40px;
}

.tier-features {
  list-style: none;
  margin-block-end: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex-grow: 1;
}

.tier-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.tier-features svg {
  width: 18px;
  height: 18px;
  color: var(--secondary);
  flex-shrink: 0;
  margin-block-start: 0.15rem;
}

.coupon-pricing-hint {
  margin-block-end: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background-color: rgba(13, 148, 136, 0.06);
  border: 1px solid rgba(13, 148, 136, 0.15);
  padding: 0.65rem;
  border-radius: 6px;
  text-align: center;
}

.copyable-code {
  font-family: var(--font-mono);
  color: var(--secondary);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dashed;
  font-weight: 600;
}

.copyable-code:hover {
  color: var(--primary-accent);
}

.btn-pricing {
  inline-size: 100%;
}

/* FAQ Section */
.faq-section {
  padding: 80px 0;
  background-color: var(--bg-secondary);
  border-block-start: 1px solid var(--border-color);
}

.faq-container {
  max-width: 780px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-color-hover);
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--text-secondary);
  line-height: 1;
}

.faq-item[open] .faq-question::after {
  content: '−';
}

.faq-answer {
  padding: 0 1.5rem 1.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Footer */
.main-footer {
  background-color: #ffffff;
  border-block-start: 1px solid var(--border-color);
  padding: 4.5rem 0 0 0;
  margin-block-start: auto;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
  padding-block-end: 4rem;
}

.footer-brand {
  max-width: 320px;
}

.footer-desc {
  margin-block-start: 1rem;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 5rem;
}

.footer-links h4 {
  font-size: 0.9rem;
  color: var(--text-primary);
  margin-block-end: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  border-block-start: 1px solid var(--border-color);
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Mobile responsive menu overlays */
.nav-menu.open {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 120px;
  left: 0;
  right: 0;
  height: calc(100dvh - 120px);
  background-color: var(--bg-main);
  z-index: 99;
  padding: 3rem 1.5rem;
  overflow-y: auto;
}

.nav-menu.open ul {
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.nav-menu.open a {
  font-size: 1.5rem;
}

.hamburger-menu.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.hamburger-menu.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Responsive adjustments */
@media (max-width: 900px) {
  .hamburger-menu {
    display: flex;
  }
  
  .nav-menu {
    display: none;
  }

  .promo-text-desktop {
    display: none;
  }

  .promo-text-mobile {
    display: inline;
  }

  .promo-badge {
    display: none;
  }

  .mockup-body {
    grid-template-columns: 1fr;
  }

  .mockup-code-pane {
    border-inline-end: none;
    border-block-end: 1px solid var(--border-color);
    max-height: 160px;
  }
  
  .pane-grid {
    grid-template-columns: 1fr;
  }
  
  .pane-code {
    border-inline-end: none;
    border-block-end: 1px solid var(--border-color);
    max-height: 180px;
  }
  
  .ai-card {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    padding: 2rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    inline-size: 100%;
    max-inline-size: 320px;
  }
}

@media (max-width: 600px) {
  .coupon-banner-card {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem 1.5rem;
  }
  
  .coupon-action {
    width: 100%;
  }
  
  .coupon-code-button {
    width: 100%;
    justify-content: center;
  }
  
  .footer-links {
    gap: 3rem;
  }
}

/* Pipeline Spinner Animation */
.pipeline-spinner {
  transform-origin: 490px 223px;
  animation: rotate-spinner 3s linear infinite;
}

@keyframes rotate-spinner {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}