/* 
  GoWork - AI Agent Support & Task Management Landing Page
  Modern Cyberpunk & SaaS Dark Theme CSS System
*/

:root {
  /* Core Color Palette */
  --bg-primary: #07090e;
  --bg-secondary: #0d121d;
  --bg-card: rgba(18, 24, 38, 0.75);
  --bg-card-hover: rgba(28, 37, 57, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.03);

  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #7c3aed;
  --accent-emerald: #10b981;
  --accent-pink: #ec4899;
  --accent-amber: #f59e0b;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.3);
  --border-focus: rgba(124, 58, 237, 0.5);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  /* Gradients */
  --grad-cyan-blue: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-purple-pink: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);
  --grad-emerald-cyan: linear-gradient(135deg, #10b981 0%, #00f2fe 100%);
  --grad-dark-surface: linear-gradient(180deg, rgba(17, 24, 39, 0.8) 0%, rgba(10, 15, 26, 0.9) 100%);

  /* Fonts & Radius */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Shadows & Glows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --glow-cyan: 0 0 25px rgba(0, 242, 254, 0.25);
  --glow-purple: 0 0 30px rgba(124, 58, 237, 0.3);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 242, 254, 0.05) 0%, transparent 45%),
    radial-gradient(circle at 85% 65%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.04) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Utility Containers */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-gradient {
  background: var(--grad-cyan-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-purple {
  background: var(--grad-purple-pink);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-emerald {
  background: var(--grad-emerald-cyan);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--grad-cyan-blue);
  color: #040914;
  box-shadow: 0 4px 20px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 242, 254, 0.5);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-purple {
  background: var(--grad-purple-pink);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}
.btn-purple:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(236, 72, 153, 0.4);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(0, 242, 254, 0.08);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.badge-purple {
  background: rgba(124, 58, 237, 0.1);
  color: #a78bfa;
  border-color: rgba(124, 58, 237, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  transition: all 0.3s ease;
  backdrop-filter: blur(12px);
  background: rgba(7, 9, 14, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar.scrolled {
  padding: 0.8rem 0;
  background: rgba(7, 9, 14, 0.92);
  border-bottom-color: var(--border-subtle);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--grad-cyan-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #040914;
  font-weight: 900;
  font-size: 1.2rem;
  box-shadow: var(--glow-cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent-cyan);
}

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

/* Mobile Nav Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding-top: 9rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 1.2rem 0;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.stat-item h3 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent-cyan);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.stat-item p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Hero Visual Box */
.hero-visual-wrapper {
  position: relative;
}

.hero-card-glass {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 1.2rem;
  box-shadow: var(--shadow-lg), var(--glow-cyan);
  backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.hero-card-img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  border: 1px solid var(--border-subtle);
}

/* Live Terminal Log Component */
.terminal-box {
  background: #04070d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.6rem;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.terminal-title {
  color: var(--text-dim);
  font-size: 0.75rem;
}

.terminal-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 160px;
  overflow-y: auto;
}

.log-line {
  display: flex;
  gap: 0.5rem;
  animation: fadeIn 0.4s ease forwards;
}

.log-time { color: var(--text-dim); }
.log-tag { font-weight: 700; }
.tag-cyan { color: var(--accent-cyan); }
.tag-purple { color: #a78bfa; }
.tag-emerald { color: var(--accent-emerald); }
.tag-pink { color: var(--accent-pink); }
.log-msg { color: var(--text-main); }

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

/* Section Common */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0.8rem 0 1rem 0;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Section: 4 Temel Katman (Architecture Layers) */
.layers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.layer-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.layer-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 242, 254, 0.1);
  background: var(--bg-card-hover);
}

.layer-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 1rem;
  background: rgba(0, 242, 254, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.layer-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
  color: var(--accent-cyan);
  border: 1px solid var(--border-subtle);
}

.layer-card:nth-child(2) .layer-icon { color: #a78bfa; }
.layer-card:nth-child(3) .layer-icon { color: var(--accent-emerald); }
.layer-card:nth-child(4) .layer-icon { color: var(--accent-pink); }

.layer-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.layer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  flex-grow: 1;
}

.layer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.mini-tag {
  font-size: 0.73rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Section: Interactive Workflow Diagram */
.workflow-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.workflow-header-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.wf-trigger {
  background: var(--grad-cyan-blue);
  color: #040914;
  font-weight: 800;
  padding: 0.8rem 1.8rem;
  border-radius: var(--radius-full);
  font-size: 1rem;
  box-shadow: var(--glow-cyan);
}

.wf-tree {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  position: relative;
}

.wf-triage-node {
  background: var(--bg-card);
  border: 2px solid var(--accent-cyan);
  padding: 1.2rem 2.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 0 25px rgba(0, 242, 254, 0.2);
  width: 100%;
  max-width: 450px;
}

.wf-branches {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
}

.wf-branch-card {
  background: rgba(18, 24, 38, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all 0.3s ease;
}

.wf-branch-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-cyan);
}

.branch-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

.branch-header.yellow { color: var(--accent-amber); }
.branch-header.green { color: var(--accent-emerald); }
.branch-header.purple { color: #a78bfa; }

.wf-steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.wf-steps-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.wf-steps-list li::before {
  content: "➔";
  color: var(--accent-cyan);
  font-size: 0.8rem;
}

/* Section: Interactive Live Agent Simulator */
.simulator-wrapper {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg), var(--glow-purple);
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
}

.sim-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sim-preset-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.preset-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  color: var(--text-main);
  text-align: left;
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.preset-btn:hover, .preset-btn.active {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.sim-input-box {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.sim-textarea {
  width: 100%;
  height: 100px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  resize: none;
  outline: none;
}

.sim-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
}

/* Simulator Output Window */
.sim-output-box {
  background: #04070d;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 380px;
}

.sim-output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sim-steps-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  flex-grow: 1;

  padding-right: 0.5rem;
}

.sim-step-card {
  background: rgba(255, 255, 255, 0.02);
  border-left: 3px solid var(--accent-cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 0.8rem 1rem;
  font-size: 0.88rem;
  animation: slideInRight 0.3s ease forwards;
}

.sim-step-card.purple { border-left-color: #a78bfa; }
.sim-step-card.emerald { border-left-color: var(--accent-emerald); }
.sim-step-card.amber { border-left-color: var(--accent-amber); }

.sim-step-title {
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sim-step-detail {
  color: var(--text-muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.json-badge {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #a78bfa;
  margin-top: 0.5rem;
  white-space: pre-wrap;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Section: Integrations Hub */
.integrations-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover, .tab-btn.active {
  background: var(--accent-cyan);
  color: #040914;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.3);
}

.integrations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.integ-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
}

.integ-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-3px);
  background: var(--bg-card-hover);
}

.integ-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.integ-info h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.integ-info p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Section: SLA & ROI Calculator */
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.input-label-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
  font-weight: 600;
}

.input-val {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

input[type=range] {
  width: 100%;
  accent-color: var(--accent-cyan);
  cursor: pointer;
}

.calc-results {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: center;
}

.res-box h3 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.res-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Section: Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  align-items: stretch;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
}

.price-card.popular {
  border-color: var(--accent-cyan);
  background: rgba(18, 24, 38, 0.95);
  box-shadow: 0 0 30px rgba(0, 242, 254, 0.2);
  transform: scale(1.04);
}

.price-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 0.4rem;
}

.price-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.price-val {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 1.8rem;
}

.price-val span {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.price-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-grow: 1;
}

.price-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.price-features li::before {
  content: "✓";
  color: var(--accent-emerald);
  font-weight: 800;
}

/* Section: FAQ Accordion */
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-question {
  padding: 1.3rem 1.5rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1), padding 0.3s ease;
  padding: 0 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 1.3rem;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 0 2rem 0;
  background: #04060a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 1rem;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .layers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .wf-branches {
    grid-template-columns: 1fr;
  }
  .sim-grid {
    grid-template-columns: 1fr;
  }
  .calc-card {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .price-card.popular {
    transform: none;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .layers-grid {
    grid-template-columns: 1fr;
  }
}