/* ==========================================================================
   My Scale Pilots - Modern, Human-Centric Design System
   Natural Multi-Tonal Palette (Sage Moss, Warm Terracotta, Royal Indigo, Amber Sand)
   ========================================================================== */

:root {
  /* Surface & Backgrounds */
  --bg-main: #FAF8F5;              /* Warm Alabaster Cream */
  --bg-surface: #FFFFFF;           /* Crisp Card White */
  --bg-subtle: #F3F0EA;            /* Soft Linen */
  --bg-accent: #EAE6DC;            /* Warm Sand */

  /* Text & Contrast */
  --text-dark: #192024;            /* Soft Deep Charcoal */
  --text-body: #4A5560;            /* Readable Slate */
  --text-muted: #788591;           /* Gentle Gray */
  --text-inverse: #FFFFFF;

  /* Natural Multi-Tonal Color System */
  /* 1. Primary: Earthy Spruce / Forest Sage */
  --primary: #1C4D3D;
  --primary-hover: #143B2E;
  --primary-light: #EBF4F0;
  --primary-border: #BCD9CC;

  /* 2. Secondary: Warm Terracotta / Desert Clay */
  --terracotta: #D95D39;
  --terracotta-hover: #BF4C2A;
  --terracotta-light: #FDF3E9;
  --terracotta-border: #F5CFBC;

  /* 3. Bookkeeping Agent Tone: Mint & Deep Emerald */
  --emerald: #0D8259;
  --emerald-light: #EBF7F2;
  --emerald-border: #BCE5D5;

  /* 4. Calendar Agent Tone: Warm Amber / Apricot */
  --amber: #D97706;
  --amber-light: #FEF6EC;
  --amber-border: #FCD9A8;

  /* 5. RAG / Vector Agent Tone: Royal Indigo & Slate Blue */
  --indigo: #4338CA;
  --indigo-light: #EEF2FF;
  --indigo-border: #C7D2FE;

  /* Structural Elements */
  --border-soft: #E6E2D8;
  --border-card: #ECE8DE;
  
  --radius-xs: 6px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 9999px;

  /* Natural Diffused Shadows */
  --shadow-subtle: 0 2px 8px rgba(25, 32, 36, 0.04);
  --shadow-card: 0 10px 30px -4px rgba(25, 32, 36, 0.06), 0 2px 8px rgba(25, 32, 36, 0.03);
  --shadow-hover: 0 20px 40px -8px rgba(25, 32, 36, 0.1), 0 4px 12px rgba(25, 32, 36, 0.04);

  --max-width: 1180px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 4vw, 3.4rem); }
h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-body);
  font-size: 1.05rem;
}

.lead-text {
  font-size: 1.2rem;
  color: var(--text-body);
  max-width: 680px;
  margin: 0 auto;
}

/* Buttons & Badges */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 16px rgba(28, 77, 61, 0.25);
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(28, 77, 61, 0.3);
}

.btn-terracotta {
  background-color: var(--terracotta);
  color: var(--text-inverse);
  box-shadow: 0 4px 16px rgba(217, 93, 57, 0.25);
}
.btn-terracotta:hover {
  background-color: var(--terracotta-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(217, 93, 57, 0.35);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-dark);
  border-color: var(--border-soft);
  box-shadow: var(--shadow-subtle);
}
.btn-secondary:hover {
  background-color: var(--bg-subtle);
  border-color: var(--text-dark);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  font-weight: 600;
}
.btn-whatsapp:hover {
  background-color: #1EBE5D;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.88rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-sage {
  background-color: var(--primary-light);
  color: var(--primary);
  border: 1px solid var(--primary-border);
}

.badge-terracotta {
  background-color: var(--terracotta-light);
  color: var(--terracotta);
  border: 1px solid var(--terracotta-border);
}

.badge-emerald {
  background-color: var(--emerald-light);
  color: var(--emerald);
  border: 1px solid var(--emerald-border);
}

.badge-amber {
  background-color: var(--amber-light);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}

.badge-indigo {
  background-color: var(--indigo-light);
  color: var(--indigo);
  border: 1px solid var(--indigo-border);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  padding: 16px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary) 0%, #2A7056 100%);
  color: #FFF;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 4px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--terracotta);
  border-radius: 2px;
}

.header-ctas {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 70px 0 90px;
  text-align: center;
  position: relative;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
}

.hero h1 {
  margin: 20px 0;
  color: var(--text-dark);
}

.hero h1 span.text-highlight {
  color: var(--primary);
  position: relative;
  display: inline-block;
}

.hero h1 span.text-highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: var(--terracotta-light);
  z-index: -1;
  border-radius: 4px;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 36px;
  flex-wrap: wrap;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
  padding: 30px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  text-align: left;
}

.stat-item {
  border-right: 1px solid var(--border-soft);
  padding-right: 20px;
}
.stat-item:last-child {
  border-right: none;
  padding-right: 0;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==========================================================================
   Services Grid & Feature Highlights
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-light {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 54px;
}

.section-header h2 {
  margin: 14px 0;
}

/* 3 Core Automations Featured Grid */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.agent-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
  overflow: hidden;
}

.agent-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
}

.agent-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

/* Card Themes */
.agent-card.theme-bookkeeping::before { background-color: var(--emerald); }
.agent-card.theme-calendar::before { background-color: var(--amber); }
.agent-card.theme-rag::before { background-color: var(--indigo); }

.card-icon-wrapper {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.theme-bookkeeping .card-icon-wrapper {
  background-color: var(--emerald-light);
  color: var(--emerald);
}
.theme-calendar .card-icon-wrapper {
  background-color: var(--amber-light);
  color: var(--amber);
}
.theme-rag .card-icon-wrapper {
  background-color: var(--indigo-light);
  color: var(--indigo);
}

.agent-card h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.agent-card p {
  font-size: 0.98rem;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-feature-list {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-feature-list li {
  font-size: 0.9rem;
  color: var(--text-body);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.card-feature-list li svg {
  flex-shrink: 0;
  margin-top: 3px;
}

.theme-bookkeeping .card-feature-list li svg { color: var(--emerald); }
.theme-calendar .card-feature-list li svg { color: var(--amber); }
.theme-rag .card-feature-list li svg { color: var(--indigo); }

/* Interactive Showcase / Architecture Walkthrough */
.interactive-showcase {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  margin-top: 40px;
}

.showcase-tabs {
  display: flex;
  background-color: var(--bg-subtle);
  border-bottom: 1px solid var(--border-soft);
  overflow-x: auto;
}

.tab-btn {
  flex: 1;
  padding: 18px 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-dark);
  background-color: rgba(255,255,255,0.5);
}

.tab-btn.active {
  color: var(--primary);
  background-color: var(--bg-surface);
  border-bottom-color: var(--terracotta);
}

.tab-content-panel {
  display: none;
  padding: 40px;
}

.tab-content-panel.active {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}

.tab-info h3 {
  font-size: 1.6rem;
  margin: 12px 0;
}

.tab-flow-mockup {
  background-color: var(--bg-main);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
}

.mockup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mockup-dot.red { background-color: #EF4444; }
.mockup-dot.yellow { background-color: #F59E0B; }
.mockup-dot.green { background-color: #10B981; }

.mockup-step {
  margin-bottom: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-surface);
  border-left: 3px solid var(--primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.mockup-step.step-coral { border-left-color: var(--terracotta); }
.mockup-step.step-indigo { border-left-color: var(--indigo); }
.mockup-step.step-emerald { border-left-color: var(--emerald); }

/* How We Work / Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.process-step {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  position: relative;
  box-shadow: var(--shadow-subtle);
}

.process-step-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--terracotta);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}

.process-step h4 {
  margin-bottom: 10px;
}

/* Comparison Table (Robotic vs Human-Centered) */
.comparison-container {
  margin-top: 40px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th, .comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-soft);
}

.comparison-table th {
  background-color: var(--bg-subtle);
  font-weight: 700;
  font-size: 0.95rem;
}

.comparison-table td {
  font-size: 0.95rem;
}

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

.td-highlight {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Contact & Consultation Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-subtle);
}

.info-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-form-wrapper {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background-color: var(--bg-main);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-dark);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(28, 77, 61, 0.12);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* FAQ Accordion */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 22px 24px;
  text-align: left;
  border: none;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  cursor: pointer;
}

.faq-chevron {
  transition: transform 0.25s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 22px;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #153A2E 100%);
  color: var(--text-inverse);
  padding: 70px 40px;
  border-radius: var(--radius-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
  margin: 60px 0;
  box-shadow: 0 20px 40px -10px rgba(28, 77, 61, 0.35);
}

.cta-banner h2 {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-banner p {
  color: #D1E5DC;
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: 1.15rem;
}

.cta-banner .cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background-color: #121A17;
  color: #D1DAD5;
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand h4 {
  color: #FFF;
  font-size: 1.25rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand p {
  color: #9AA8A1;
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-col h5 {
  color: #FFF;
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #9AA8A1;
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: #FFF;
  transform: translateX(3px);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88rem;
  color: #7B8B83;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .cards-grid-3, .hero-stats-grid, .process-grid {
    grid-template-columns: 1fr;
  }
  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border-soft);
    padding-bottom: 16px;
  }
  .stat-item:last-child {
    border-bottom: none;
  }
  .tab-content-panel.active {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: 24px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--border-soft);
    gap: 16px;
  }
  .nav-menu.open {
    display: flex;
  }
  .menu-toggle {
    display: block;
  }
  .header-ctas .btn-primary {
    display: none;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}