/* ==========================================================================
   Michael Hilberer - Executive Web Presence
   Apple-inspired High-End Minimalist Design System
   ========================================================================== */

:root {
  --bg-primary: #0b0c10;
  --bg-surface: #14161f;
  --bg-surface-elevated: #1b1e2b;
  --bg-glass: rgba(15, 17, 24, 0.82);
  --bg-glass-card: rgba(22, 25, 36, 0.7);
  
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-tertiary: #6e6e73;
  
  --accent-titanium: #e2e4e9;
  --accent-blue: #2997ff;
  --accent-blue-glow: rgba(41, 151, 255, 0.2);
  --accent-amber: #e5a93c;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.22);

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", Monaco, Menlo, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1200px;
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  background: radial-gradient(circle at 50% 0%, rgba(35, 42, 65, 0.5) 0%, var(--bg-primary) 75%);
}

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-glass);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.brand-name {
  font-weight: 600;
  color: #fff;
}

.brand-tagline {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-weight: 400;
  margin-left: 4px;
  display: none;
}

@media (min-width: 768px) {
  .brand-tagline {
    display: inline;
  }
}

.nav-menu {
  display: none;
  align-items: center;
  gap: 6px;
  list-style: none;
}

@media (min-width: 900px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.07);
}

.nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 500;
}

.nav-cta {
  background: #ffffff;
  color: #000000 !important;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  margin-left: 8px;
  transition: var(--transition-smooth);
}

.nav-cta:hover {
  background: #f0f0f2;
  transform: scale(1.02);
}

/* Mobile Toggle */
.mobile-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

@media (min-width: 900px) {
  .mobile-toggle {
    display: none;
  }
}

.mobile-overlay {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 12, 16, 0.96);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  padding: 36px 24px;
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 999;
}

.mobile-overlay.open {
  display: flex;
}

.mobile-overlay .nav-link {
  font-size: 1.25rem;
  padding: 12px 18px;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--accent-titanium);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5.2vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 24px;
  max-width: 1000px;
  background: linear-gradient(180deg, #ffffff 45%, #a1a1a6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  line-height: 1.55;
  max-width: 820px;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: #ffffff;
  color: #000000;
  font-weight: 500;
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  background: #f0f0f2;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(255, 255, 255, 0.16);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--border-hover);
}

/* Visual Cards */
.visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
}

.visual-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.visual-card:hover img {
  transform: scale(1.015);
}

/* EU AI Act Badge */
.ai-act-badge {
  position: absolute;
  bottom: 14px;
  right: 14px;
  padding: 5px 12px;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  background: rgba(11, 12, 16, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--accent-titanium);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  pointer-events: none;
}

.ai-act-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--accent-blue);
  border-radius: 50%;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 36px 0;
}

@media (min-width: 768px) {
  .bento-grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .bento-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.bento-item {
  background: var(--bg-glass-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  transition: var(--transition-smooth);
}

.bento-item:hover {
  border-color: var(--border-hover);
  background: rgba(26, 30, 42, 0.85);
  transform: translateY(-2px);
}

.bento-item > *:last-child:not(.bento-text):not(.bento-metric) {
  margin-top: auto;
}

.bento-tag {
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-blue);
  margin: 0 0 16px 0;
  line-height: 1.2;
}

.bento-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 16px 0;
  color: var(--text-primary);
  line-height: 1.3;
  min-height: 2.2rem;
  display: flex;
  align-items: flex-start;
}

.bento-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.bento-metric {
  font-size: clamp(1.8rem, 2.2vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.15;
  margin: 0 0 18px 0;
  min-height: 3rem;
  display: flex;
  align-items: flex-start;
}

/* Sections */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 800px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 720px;
  margin-bottom: 36px;
}

/* Timeline Track Record */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.timeline-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition-smooth);
}

.timeline-item:hover {
  border-color: var(--border-hover);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.timeline-role {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-primary);
}

.timeline-org {
  font-size: 1.05rem;
  color: var(--accent-titanium);
  font-weight: 500;
}

.timeline-period {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.timeline-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.badge-tag {
  font-size: 0.75rem;
  padding: 5px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

/* Strategy Framework Cards */
.framework-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .framework-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.framework-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.framework-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  color: #ffffff;
}

.framework-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.framework-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.framework-card li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.framework-card li::before {
  content: "—";
  color: var(--accent-blue);
  font-weight: bold;
}

/* Callout Box */
.callout-box {
  background: linear-gradient(135deg, rgba(41, 151, 255, 0.1) 0%, rgba(20, 22, 31, 0.8) 100%);
  border: 1px solid rgba(41, 151, 255, 0.28);
  border-radius: var(--radius-lg);
  padding: 44px;
  text-align: center;
  margin: 50px 0;
}

.callout-box h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 14px;
}

.callout-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 28px;
}

/* Badges Grid */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 20px;
  align-items: center;
  justify-items: center;
  padding: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.badge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
}

.badge-item img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.badge-item span {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Executive Metrics Row */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 36px 0;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.metric-card .num {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.metric-card .label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: #08090c;
  padding: 60px 0 36px;
  font-size: 0.88rem;
  color: var(--text-tertiary);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: 16px;
  font-weight: 600;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.ai-disclosure-notice {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  line-height: 1.6;
  background: rgba(255, 255, 255, 0.02);
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  margin-bottom: 28px;
}

.ai-disclosure-notice strong {
  color: var(--text-secondary);
}