/* ========================================
   Pioneer Intelligence - Design System
   Based on Pioneer Effect aesthetic
   ======================================== */

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #0d5c63;
  --color-primary-dark: #094147;
  --color-primary-light: #147a82;
  --color-accent: #c9a227;
  --color-accent-light: #e8c547;

  /* Neutrals */
  --color-text: #1a1a2e;
  --color-text-light: #4a4a5c;
  --color-text-muted: #6b6b7d;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-warm: #fdfcf9;
  --color-border: #e8e8ec;
  --color-border-light: #f0f0f4;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Playfair Display', Georgia, serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --max-width: 1400px;
  --content-width: 800px;
}

/* ===== Dark Mode ===== */
[data-theme="dark"] {
  --color-bg: #0a1f21;
  --color-bg-alt: #0d2527;
  --color-bg-warm: #0c2224;
  --color-text: #dff0f2;
  --color-text-light: #8db8bc;
  --color-text-muted: #6a9da1;
  --color-border: #1c3f44;
  --color-border-light: #152e32;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.55);
}

[data-theme="dark"] .hero {
  background: linear-gradient(135deg, #0a1f21 0%, #0d2a2d 50%, #0f2e31 100%);
}

[data-theme="dark"] .nav.scrolled {
  background-color: rgba(10, 31, 33, 0.98);
}

[data-theme="dark"] .footer {
  background-color: #040e0f;
}

[data-theme="dark"] .logo .stack-logo-wordmark {
  color: var(--color-text);
}

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

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

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 var(--space-sm) 0;
  color: var(--color-text);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; font-family: var(--font-primary); font-weight: 600; }
h4 { font-size: 1.125rem; font-family: var(--font-primary); font-weight: 600; }

p {
  margin: 0 0 var(--space-sm) 0;
  color: var(--color-text-light);
}

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

a:hover {
  color: var(--color-primary-light);
}

ul {
  list-style: none;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary-large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

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

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

.btn-text {
  padding: 0;
  background: none;
  color: var(--color-text-light);
  font-weight: 500;
  border: none;
}

.btn-text:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.btn-text-large {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-accent-light);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-base);
}

.btn-text-large:hover {
  color: white;
  transform: translateX(4px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: transparent;
  transition: all var(--transition-base);
}

.nav.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

/* Inline Stack logo */
.stack-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

.stack-logo-bars {
  display: flex;
  gap: 2px;
  align-items: center;
}

.stack-logo-bar {
  height: 3.5px;
  border-radius: 99px;
  animation: stackBarPulse 2.4s ease-in-out infinite;
}

.stack-logo-bar-1 { width: 23px; background: var(--color-primary); animation-delay: 0s; }
.stack-logo-bar-2 { width: 14px; background: var(--color-accent); animation-delay: 0.3s; }
.stack-logo-bar-3 { width: 9px; background: var(--color-primary-light); opacity: 0.35; animation: stackBarPulse3 2.4s ease-in-out infinite; animation-delay: 0.6s; }

@keyframes stackBarPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

@keyframes stackBarPulse3 {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.15; }
}

.stack-logo-wordmark {
  font-family: 'Epilogue', sans-serif;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--color-primary-dark);
  line-height: 1;
}

.footer-logo .stack-logo-wordmark {
  color: white;
}

.nav.scrolled .logo {
  color: var(--color-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

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

.nav-cta {
  padding: 0.625rem 1.25rem;
  background-color: var(--color-primary);
  color: white !important;
  border-radius: var(--radius-md);
}

.nav-cta:hover {
  background-color: var(--color-primary-dark);
  color: white !important;
  transform: translateY(-2px);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.theme-toggle:hover {
  color: var(--color-primary);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(80px + var(--space-3xl)) 2rem var(--space-3xl);
  background: linear-gradient(135deg, #f8fafa 0%, #eef5f5 50%, #e8f0f0 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: linear-gradient(135deg, rgba(13, 92, 99, 0.03) 0%, rgba(13, 92, 99, 0.08) 100%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0% 100%);
}

.hero-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
  position: relative;
}

.hero-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background-color: rgba(13, 92, 99, 0.1);
  border-radius: var(--radius-sm);
}

.hero-title {
  margin-bottom: var(--space-md);
  color: var(--color-text);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.1;
}

.hero-title-line {
  display: block;
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

.hero-title-line:nth-child(1) { animation-delay: 0.1s; }
.hero-title-line:nth-child(2) { animation-delay: 0.2s; }
.hero-title-line:nth-child(3) { animation-delay: 0.3s; }

.hero-title-line.highlight {
  font-style: italic;
  color: var(--color-primary);
}

.hero-description {
  max-width: 600px;
  margin-bottom: var(--space-xl);
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-text-light);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.5s forwards;
}

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

/* Floating Cards */
.hero-visual {
  position: relative;
  height: 580px;
}

.floating-card {
  position: absolute;
  padding: 1.5rem 2rem;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  animation: floatIn 1s ease forwards;
}

.floating-card.card-1 {
  top: 5%;
  right: 10%;
  animation-delay: 0.6s;
}

.floating-card.card-2 {
  top: 38%;
  right: 0%;
  animation-delay: 0.8s;
}

.floating-card.card-3 {
  top: 68%;
  right: 15%;
  animation-delay: 1s;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card-stat {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.card-icon {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.card-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Section Styling ===== */
section {
  padding: var(--space-3xl) 2rem;
}

.section-tag {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section-title {
  max-width: 800px;
  margin-bottom: var(--space-xl);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.2;
}

.section-intro {
  max-width: 700px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-2xl);
}

/* ===== Problem Statement ===== */
.problem-statement {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding: var(--space-3xl) 2rem;
}

.statement-content {
  max-width: 1000px;
  margin: 0 auto;
}

.statement-content h2 {
  margin-bottom: var(--space-2xl);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.problem-item {
  padding: var(--space-xl);
}

.problem-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.problem-item h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.problem-item p {
  color: var(--color-text-light);
  margin: 0;
}

/* ===== What We Do ===== */
.what-we-do {
  background-color: var(--color-bg);
  padding: var(--space-3xl) 2rem;
}

.what-content {
  max-width: 1100px;
  margin: 0 auto;
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.capability-card {
  padding: var(--space-xl);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  display: flex;
  flex-direction: column;
}

.capability-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.capability-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(13, 92, 99, 0.15);
  margin-bottom: var(--space-sm);
}

.capability-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.capability-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
  flex-grow: 1;
}

.cta-inline {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ===== How It Works ===== */
.how-it-works {
  background-color: var(--color-bg-alt);
  padding: var(--space-3xl) 2rem;
}

.how-content {
  max-width: 1100px;
  margin: 0 auto;
}

.process-visual {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.process-step {
  flex: 1;
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.process-step:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  background-color: var(--color-primary);
  color: white;
  font-family: var(--font-primary);
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1;
  border-radius: 50%;
}

.process-step h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-xs);
}

.process-step p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
}

.process-arrow {
  font-size: 1.5rem;
  color: var(--color-border);
  flex-shrink: 0;
}

/* ===== Who Section ===== */
.who-section {
  background-color: var(--color-bg);
  padding: var(--space-3xl) 2rem;
}

.who-content {
  max-width: 1100px;
  margin: 0 auto;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.who-card {
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-align: center;
}

.who-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.who-card h4 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.who-card p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
}

/* ===== Pricing Section ===== */
.pricing-section {
  background-color: var(--color-bg-alt);
  padding: var(--space-3xl) 2rem;
}

.pricing-content {
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
  align-items: start;
}

.pricing-card {
  position: relative;
  padding: var(--space-xl);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: all var(--transition-base);
}

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

.pricing-card-featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.pricing-card-featured:hover {
  transform: translateY(-12px);
}

.pricing-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-xs);
}

.pricing-tier {
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

.pricing-price {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.pricing-price span {
  font-size: 1rem;
  font-family: var(--font-primary);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-desc {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0;
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex-grow: 1;
  margin-bottom: var(--space-sm);
}

.pricing-features li {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.9375rem;
  color: var(--color-text-light);
}

.pricing-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.pricing-note {
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== Philosophy / Social Proof ===== */
.philosophy-snapshot {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: var(--space-3xl) 2rem;
}

.snapshot-content {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.snapshot-text .section-tag {
  color: var(--color-accent-light);
}

.snapshot-text h2 {
  color: white;
  margin-bottom: var(--space-lg);
}

.snapshot-quote {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xs);
  border: none;
  padding: 0;
  quotes: none;
}

.snapshot-attr {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-xl);
}

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

.principle-quick {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent);
}

.principle-icon {
  font-size: 1.5rem;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.principle-quick p {
  margin: 0;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
}

/* ===== FAQ Section ===== */
.faq-section {
  background-color: var(--color-bg);
  padding: var(--space-3xl) 2rem;
}

.faq-content {
  max-width: 780px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-base);
  line-height: 1;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding-bottom: var(--space-lg);
  color: var(--color-text-light);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0;
}

/* ===== Testimonials ===== */
.testimonials-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-3xl) 2rem;
}

.testimonials-content {
  max-width: 1100px;
  margin: 0 auto;
}

.testimonials-content .section-tag {
  color: var(--color-accent-light);
}

.testimonials-content .section-title {
  color: white;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.testimonial-card {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  transition: background-color var(--transition-base);
}

.testimonial-card:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.testimonial-stars {
  color: var(--color-accent-light);
  font-size: 1rem;
  letter-spacing: 0.1em;
}

.testimonial-card blockquote {
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.7;
  flex-grow: 1;
  margin: 0;
  padding: 0;
  border: none;
}

.testimonial-name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: white;
}

.testimonial-role {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.55);
}

/* ===== Integrations ===== */
.integrations-section {
  background-color: var(--color-bg-alt);
  padding: var(--space-xl) 2rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.integrations-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.integrations-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0;
  white-space: nowrap;
}

.integrations-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.integration-badge {
  padding: 0.375rem 0.875rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* ===== Live Chat Widget ===== */
.chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-md);
}

.chat-bubble {
  width: 56px;
  height: 56px;
  background-color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.chat-bubble:hover {
  background-color: var(--color-primary-dark);
  transform: scale(1.08);
}

.chat-popup {
  width: 320px;
  background-color: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: none;
  flex-direction: column;
}

.chat-popup.open {
  display: flex;
}

.chat-popup-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.chat-popup-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255,255,255,0.2);
  color: white;
  font-weight: 700;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chat-popup-name {
  font-weight: 600;
  color: white;
  font-size: 0.9375rem;
}

.chat-popup-status {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.7);
}

.chat-popup-close {
  margin-left: auto;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.25rem;
  line-height: 1;
  transition: color var(--transition-fast);
}

.chat-popup-close:hover {
  color: white;
}

.chat-popup-body {
  padding: var(--space-lg);
  background-color: var(--color-bg-alt);
}

.chat-message {
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.chat-message p {
  font-size: 0.9375rem;
  color: var(--color-text-light);
  margin: 0 0 0.5rem;
}

.chat-message p:last-child {
  margin: 0;
}

.chat-popup-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ===== Final CTA ===== */
.final-cta {
  background-color: var(--color-bg-alt);
  text-align: center;
  padding: var(--space-3xl) 2rem;
}

.final-cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.final-cta-content h2 {
  margin-bottom: var(--space-md);
}

.final-cta-content p {
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

/* ===== Book Demo Section ===== */
.book-demo-section {
  background-color: var(--color-bg);
  padding: var(--space-3xl) 2rem;
}

.book-demo-content {
  max-width: 720px;
  margin: 0 auto;
}


/* ===== Footer ===== */
.footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--space-2xl) 2rem var(--space-lg);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--space-xs);
  color: white;
}

.footer-logo .logo-text {
  color: white;
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

.footer-nav {
  display: flex;
  gap: var(--space-lg);
}

.footer-nav a {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: white;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  padding-top: var(--space-lg);
}

.footer-bottom p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

  .capabilities-grid {
    grid-template-columns: 1fr;
  }

  .who-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card-featured {
    transform: translateY(0);
    order: -1;
  }

  .pricing-card-featured:hover {
    transform: translateY(-4px);
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .integrations-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 3rem;
    --space-4xl: 4rem;
    --space-5xl: 5rem;
  }

  .nav-container {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 300px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    background-color: var(--color-bg);
    box-shadow: var(--shadow-lg);
    transition: right var(--transition-base);
    padding: var(--space-2xl);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.125rem;
  }

  .mobile-menu-btn {
    display: flex;
    z-index: 1001;
  }

  .hero {
    padding: 6rem 1.5rem 3rem;
  }

  .problem-grid {
    grid-template-columns: 1fr;
  }

  .process-visual {
    flex-direction: column;
  }

  .process-arrow {
    transform: rotate(90deg);
  }

  .who-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-xl);
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

}

@media (max-width: 480px) {
  section {
    padding: var(--space-2xl) 1.5rem;
  }

}