/* 
  Glenn Euloth - Senior Enterprise Architect Portfolio
  Executive Design System (Vanilla CSS)
  Branding: Solid Dark Slate, Crisp Off-White, Royal Purple Accents
  Target Audience: CEOs, VPs, and Executive Decision Makers
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- Custom Variables & Tokens --- */
:root {
  /* Color Palette - Premium Solid Dark Slate */
  --bg-color: #0b0f19;
  --surface-color: #111827;
  --surface-border: #1f2937;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Solid Primary Color (Royal Purple) */
  --primary: #6d28d9;
  --primary-hover: #7c3aed;
  
  /* Solid Accent Color (Refined Muted Gold) */
  --accent: #d97706;
  --accent-hover: #f59e0b;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  
  /* Layout & Sizing */
  --header-height: 80px;
  --container-width: 1100px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Base & Reset Styles --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

a {
  color: #a78bfa;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-border);
  border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* --- Layout Components --- */
.container {
  width: 90%;
  max-width: var(--container-width);
  margin: 0 auto;
}

.section {
  padding: 80px 0;
  position: relative;
  border-bottom: 1px solid var(--surface-border);
}

.section:last-of-type {
  border-bottom: none;
}

.section-header {
  margin-bottom: 48px;
  max-width: 650px;
}

.section-tag {
  display: inline-block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: 8px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}

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

/* --- Buttons & UI Elements --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  gap: 8px;
  border: none;
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

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

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

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

/* --- Standard Card Style --- */
.card {
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  border-color: #4b5563;
  box-shadow: var(--shadow-lg);
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  background-color: rgba(11, 15, 25, 0.95);
  border-bottom: 1px solid var(--surface-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.logo {
  font-family: 'Outfit', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--primary-hover);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-hover);
  transition: width var(--transition-fast);
}

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

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 4px;
}

.mobile-nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* --- Hero Section --- */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 60px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-badge {
  display: inline-block;
  padding: 4px 12px;
  background-color: #1e1b4b;
  border: 1px solid #312e81;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  color: #c084fc;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero Right Column (Clean Corporate Credentials) */
.hero-credentials-panel {
  padding: 30px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  background-color: var(--surface-color);
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.credential-item:last-child {
  margin-bottom: 0;
}

.credential-icon {
  color: var(--primary-hover);
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
}

.credential-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.credential-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- The Pillars of Expertise --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.pillar-card {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pillar-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: #1e1b4b;
  border: 1px solid #312e81;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #c084fc;
  margin-bottom: 20px;
}

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pillar-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex-grow: 1;
}

.pillar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--surface-border);
  padding-top: 16px;
}

.pillar-list-item {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pillar-list-item::before {
  content: '▪';
  color: var(--primary-hover);
  font-size: 0.7rem;
}

/* --- Selected Case Studies / Portfolio --- */
.portfolio-filters {
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  color: var(--text-secondary);
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.portfolio-item {
  padding: 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.portfolio-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.portfolio-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.portfolio-status {
  font-size: 0.7rem;
  padding: 2px 8px;
  background-color: #064e3b;
  color: #34d399;
  border: 1px solid #047857;
  border-radius: var(--radius-sm);
}

.portfolio-status.custom-case {
  background-color: #1e3a8a;
  color: #60a5fa;
  border-color: #1d4ed8;
}

.portfolio-item-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.portfolio-item-description {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
  flex-grow: 1;
}

.portfolio-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tech-tag {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: #1f2937;
  color: var(--text-secondary);
}

/* --- AI Dojo Connection Banner --- */
.dojo-banner-section {
  padding: 40px 0;
}

.dojo-banner {
  padding: 40px;
  border-radius: var(--radius-md);
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 32px;
  align-items: center;
}

.dojo-banner-content {
  position: relative;
}

.dojo-banner-badge {
  display: inline-block;
  padding: 2px 8px;
  background-color: #78350f;
  border: 1px solid #92400e;
  border-radius: var(--radius-sm);
  color: #fbbf24;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.dojo-banner-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.dojo-banner-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 600px;
}

.dojo-banner-action {
  display: flex;
  justify-content: flex-end;
}

/* --- Consultation Intake Form --- */
.intake-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: flex-start;
}

.intake-form-container {
  padding: 32px;
}

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

.form-label {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-color);
  border: 1px solid var(--surface-border);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-hover);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--surface-border);
  background-color: var(--bg-color);
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  user-select: none;
}

.checkbox-label input {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
}

.checkbox-label:hover {
  border-color: #4b5563;
}

.checkbox-label.selected {
  border-color: var(--primary-hover);
  background-color: #1e1b4b;
  color: var(--text-primary);
}

/* Form Summary Panel */
.intake-summary-panel {
  padding: 32px;
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.summary-header {
  border-bottom: 1px solid var(--surface-border);
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.summary-header svg {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.summary-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

.summary-body {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.summary-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.summary-label {
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.summary-val {
  color: var(--text-primary);
  word-break: break-word;
}

.summary-placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.summary-services-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}

.summary-service-tag {
  font-size: 0.7rem;
  padding: 2px 6px;
  background-color: #1e1b4b;
  color: #c084fc;
  border-radius: var(--radius-sm);
  border: 1px solid #312e81;
}

.intake-status-success {
  display: none;
  text-align: center;
  padding: 30px 0;
}

.intake-status-success svg {
  width: 48px;
  height: 48px;
  color: #10b981;
  margin-bottom: 16px;
}

/* --- Footer --- */
.footer {
  background-color: #060910;
  border-top: 1px solid var(--surface-border);
  padding: 48px 0 24px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.footer-brand p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  max-width: 320px;
}

.footer-links-col h5 {
  font-family: 'Outfit', sans-serif;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-muted);
}

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

.footer-bottom {
  border-top: 1px solid var(--surface-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-social-link {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  color: var(--primary-hover);
  border-color: #4b5563;
}

.footer-social-link svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* --- Scroll Animations (Reveal) --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* --- Media Queries (Responsiveness) --- */
@media (max-width: 992px) {
  :root {
    --header-height: 70px;
  }
  .section {
    padding: 60px 0;
  }
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .hero-actions {
    justify-content: flex-start;
  }
  .hero-credentials-panel {
    margin-top: 12px;
  }
  .intake-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .intake-summary-panel {
    position: static;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 1.8rem;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-color);
    border-top: 1px solid var(--surface-border);
    flex-direction: column;
    padding: 32px 20px;
    gap: 20px;
    transition: left var(--transition-normal);
    overflow-y: auto;
    z-index: 999;
  }
  .nav-links.active {
    left: 0;
  }
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
  .dojo-banner {
    padding: 24px;
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: left;
  }
  .dojo-banner-action {
    justify-content: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}