/* =========================================================================
   MARTIJN HELLINGS — INTERACTIVE CV & PORTFOLIO
   Design System: Apple / Google Technological Light Mode (Zero Dark Surfaces)
   Locked Accent: Forest Emerald (#195A46) & Live Mint (#10B981)
   ========================================================================= */

:root {
  /* Light-Only Technological Palette (Cool Alabaster & Porcelain) */
  --bg-canvas: #F8FAFC;
  --bg-surface: rgba(255, 255, 255, 0.86);
  --bg-surface-solid: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-pill: #EEF2F6;

  /* Typography Ink Hierarchy (Cool Slate Family) */
  --ink-primary: #0F172A;
  --ink-secondary: #334155;
  --ink-muted: #64748B;

  /* Locked Accent (Matches Martijn's CV & Forest Polo) */
  --accent: #195A46;
  --accent-hover: #134636;
  --accent-live: #10B981;
  --accent-tint: #E8F5F0;
  --accent-border: rgba(25, 90, 70, 0.22);

  /* Borders & Hairlines */
  --border-subtle: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);

  /* Shadows (Daylight Apple/Google elevation) */
  --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 10px 30px -10px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-card-hover: 0 20px 40px -12px rgba(25, 90, 70, 0.10), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
  --shadow-nav: 0 8px 28px -6px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.04);

  /* Locked Shape Scale */
  --radius-pill: 9999px;
  --radius-card: 20px;
  --radius-inner: 12px;

  /* Fonts */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body.intro-locked {
  overflow: hidden;
}

/* =========================================================================
   1. OPENING INTRO OVERLAY & BREAK-OPEN SHUTTER ANIMATION
   ========================================================================= */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.intro-overlay.is-hidden {
  pointer-events: none;
  visibility: hidden;
}

.shutter {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50.2%;
  overflow: hidden;
  transition: transform 1.05s var(--ease-out-expo), opacity 0.85s var(--ease-out-expo);
  will-change: transform;
}

.shutter-top {
  top: 0;
  background: radial-gradient(circle at 50% 100%, rgba(25, 90, 70, 0.04) 0%, transparent 70%),
              linear-gradient(180deg, #FAFDFC 0%, #F2F7F5 100%);
  border-bottom: 1px solid rgba(25, 90, 70, 0.12);
  box-shadow: 0 8px 32px rgba(25, 90, 70, 0.05);
}

.shutter-bottom {
  bottom: 0;
  background: radial-gradient(circle at 50% 0%, rgba(25, 90, 70, 0.04) 0%, transparent 70%),
              linear-gradient(0deg, #FAFDFC 0%, #F2F7F5 100%);
  border-top: 1px solid rgba(25, 90, 70, 0.12);
  box-shadow: 0 -8px 32px rgba(25, 90, 70, 0.05);
}

/* Break-open state ("breekt open") */
.intro-overlay.break-open .shutter-top {
  transform: translateY(-102%) scaleY(0.96);
}

.intro-overlay.break-open .shutter-bottom {
  transform: translateY(102%) scaleY(0.96);
}

.intro-stage {
  position: relative;
  z-index: 2;
  max-width: 900px;
  width: calc(100% - 2.5rem);
  text-align: center;
  padding: 3.5rem 2.5rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: 0 28px 70px -15px rgba(15, 23, 42, 0.10);
  transition: transform 0.65s var(--ease-out-expo), opacity 0.45s var(--ease-out-expo);
}

.intro-overlay.break-open .intro-stage {
  transform: scale(1.08);
  opacity: 0;
}

.intro-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7.5vw, 5.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--accent);
  min-height: 1.2em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.intro-title {
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  font-weight: 500;
  color: var(--ink-secondary);
  min-height: 1.6em;
  margin-bottom: 2rem;
}

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 0.92em;
  background-color: var(--accent);
  margin-left: 4px;
  vertical-align: -0.08em;
  opacity: 0;
}

.typing-cursor.active {
  opacity: 1;
  animation: cursorBlink 0.75s infinite;
}

@keyframes cursorBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

.intro-progress-wrap {
  width: 200px;
  height: 4px;
  background: var(--bg-subtle);
  border-radius: var(--radius-pill);
  margin: 0 auto 1.5rem;
  overflow: hidden;
}

.intro-progress-bar {
  width: 0%;
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-pill);
  transition: width 0.15s linear;
}

.skip-intro-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

.skip-intro-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-tint);
}

/* =========================================================================
   2. LIVE AMBIENT TECHNOLOGICAL BACKGROUND (LIGHT MODE)
   ========================================================================= */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 15%, rgba(25, 90, 70, 0.055), transparent 42%),
    radial-gradient(circle at 85% 25%, rgba(16, 185, 129, 0.05), transparent 38%),
    radial-gradient(circle at 50% 85%, rgba(14, 116, 144, 0.04), transparent 45%),
    var(--bg-canvas);
}

#tech-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.95;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatOrb 22s ease-in-out infinite alternate;
}

.orb-1 {
  width: 460px;
  height: 460px;
  background: rgba(16, 185, 129, 0.13);
  top: -120px;
  left: -80px;
}

.orb-2 {
  width: 380px;
  height: 380px;
  background: rgba(25, 90, 70, 0.10);
  bottom: 8%;
  right: -60px;
  animation-delay: -6s;
}

.orb-3 {
  width: 320px;
  height: 320px;
  background: rgba(56, 189, 248, 0.09);
  top: 42%;
  left: 48%;
  animation-delay: -11s;
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(36px, -28px) scale(1.06); }
  100% { transform: translate(-24px, 32px) scale(0.95); }
}

/* =========================================================================
   3. TOP STICKY NAVIGATION BAR
   ========================================================================= */
.topbar {
  position: sticky;
  top: 0.85rem;
  z-index: 100;
  max-width: 1200px;
  margin: 0 auto 1.75rem auto;
  padding: 0 1.25rem;
}

.topbar-inner {
  width: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: 230px 1fr 230px;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-nav);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--ink-primary);
  width: 230px;
  flex-shrink: 0;
}

.brand-avatar-mini {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(25, 90, 70, 0.16);
}

.brand-avatar-mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
  transform: scale(1.65);
  transform-origin: 50% 24%;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink-primary);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* Navigation Buttons (Evenly spaced, centered & locked in width across languages) */
.segmented-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  background: transparent;
  padding: 0;
  border: none;
  justify-self: center;
}

.nav-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 0;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(25, 90, 70, 0.22);
  transition: all 0.2s var(--ease-spring);
  white-space: nowrap;
  text-align: center;
}

.nav-tab[data-tab="overzicht"] {
  width: 126px;
}

.nav-tab[data-tab="ervaring"] {
  width: 132px;
}

.nav-tab[data-tab="vibecode"] {
  width: 196px;
}

.nav-tab[data-tab="persoonlijk"] {
  width: 132px;
}

.nav-tab:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(25, 90, 70, 0.32);
}

.nav-tab:active {
  transform: scale(0.97);
}

.nav-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(25, 90, 70, 0.28), 0 0 0 2px rgba(25, 90, 70, 0.22);
}

.nav-tab:not(.active) {
  background: var(--accent-tint);
  color: var(--accent);
  border-color: var(--accent-border);
  box-shadow: none;
}

.nav-tab:not(.active):hover {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  box-shadow: 0 4px 14px rgba(25, 90, 70, 0.22);
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  justify-self: end;
  flex-shrink: 0;
}

.lang-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  background: var(--bg-pill);
  padding: 3px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.05);
  user-select: none;
}

.lang-slider-thumb {
  position: absolute;
  top: 3px;
  bottom: 3px;
  left: 3px;
  width: calc(50% - 3px);
  border-radius: var(--radius-pill);
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(25, 90, 70, 0.28);
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 0;
}

.lang-switch[data-active-lang="en"] .lang-slider-thumb {
  transform: translateX(100%);
}

.lang-btn {
  position: relative;
  z-index: 1;
  border: none;
  background: transparent;
  width: 44px;
  height: 30px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}

.flag-icon {
  width: 22px;
  height: 16px;
  border-radius: 3px;
  display: block;
  opacity: 0.55;
  filter: saturate(0.75);
  transform: scale(0.92);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.14);
  transition:
    transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease,
    filter 0.28s ease,
    box-shadow 0.28s ease;
}

.lang-btn:not(.active):hover .flag-icon {
  opacity: 0.85;
  filter: saturate(0.95);
  transform: scale(0.97);
}

.lang-btn.active .flag-icon {
  opacity: 1;
  filter: saturate(1.05);
  transform: scale(1.04);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.24);
}

/* Smooth page-wide language switch transition */
.main-container,
.segmented-nav .nav-tab span,
.site-footer {
  transition:
    opacity 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.26s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

body.is-switching-lang .main-container {
  opacity: 0;
  transform: translateY(6px) scale(0.995);
  filter: blur(3px);
}

body.is-switching-lang .segmented-nav .nav-tab span,
body.is-switching-lang .site-footer {
  opacity: 0;
  transform: translateY(3px);
  filter: blur(2px);
}

.social-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-solid);
  color: var(--ink-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

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

.social-nav-btn .icon {
  width: 15px;
  height: 15px;
}

.icon-pill-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-solid);
  color: var(--ink-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}

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

/* =========================================================================
   4. SHARED COMPONENTS (BUTTONS, CARDS, CHIPS, ICONS)
   ========================================================================= */
.icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.mono-label {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--accent);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-live);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
  display: inline-block;
  animation: pulseDot 2.4s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2); }
  50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.06); }
}

.surface-card {
  background: var(--bg-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: transform 0.28s var(--ease-spring), box-shadow 0.28s var(--ease-spring), border-color 0.28s ease;
}

.surface-card:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent-border);
}

.btn-primary,
.btn-secondary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
  border: 1px solid transparent;
}

.btn-sm {
  padding: 0.48rem 0.95rem;
  font-size: 0.82rem;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(25, 90, 70, 0.22);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(25, 90, 70, 0.30);
}

.btn-primary:active,
.btn-secondary:active,
.btn-outline:active {
  transform: scale(0.97);
}

.btn-secondary {
  background: var(--accent-tint);
  color: var(--accent);
  border-color: var(--accent-border);
}

.btn-secondary:hover {
  background: #D5EDE4;
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--bg-surface-solid);
  color: var(--ink-secondary);
  border-color: var(--border-strong);
}

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

.btn-social-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.68rem 1.25rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-solid);
}

.btn-social-highlight.btn-linkedin {
  color: #0A66C2;
  border-color: rgba(10, 102, 194, 0.28);
  background: #F0F7FD;
}

.btn-social-highlight.btn-linkedin:hover {
  background: #E1EFFB;
  border-color: #0A66C2;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(10, 102, 194, 0.15);
}

.btn-social-highlight.btn-github {
  color: #0F172A;
  border-color: rgba(15, 23, 42, 0.22);
  background: #F8FAFC;
}

.btn-social-highlight.btn-github:hover {
  background: #EFF3F8;
  border-color: #0F172A;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

/* =========================================================================
   5. MAIN CONTAINER & SMOOTH VIEW TRANSITIONS
   ========================================================================= */
.main-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 1.25rem 3.5rem;
  flex: 1;
}

.view-section {
  animation: viewEnter 0.48s var(--ease-out-expo) forwards;
}

.view-section[hidden] {
  display: none !important;
}

@keyframes viewEnter {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* =========================================================================
   6. VIEW 1: HERO CARD & OVERVIEW BENTO GRID
   ========================================================================= */
.hero-card {
  padding: 1.75rem 2.25rem 2.25rem;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.hero-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.live-telemetry {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-photo-col {
  display: flex;
  justify-content: center;
}

.photo-frame-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.photo-frame {
  position: relative;
  width: 240px;
  height: 280px;
  border-radius: var(--radius-card);
  padding: 6px;
  background: linear-gradient(135deg, var(--accent) 0%, #94A3B8 100%);
  box-shadow: 0 16px 36px -10px rgba(25, 90, 70, 0.22);
}

.photo-social-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  padding-top: 0.25rem;
}

.photo-social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-surface-solid);
  border: 1.5px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s var(--ease-spring);
  cursor: pointer;
}

.photo-social-icon svg {
  width: 22px;
  height: 22px;
  transition: transform 0.22s ease;
}

.photo-social-icon.linkedin {
  color: #0A66C2;
}

.photo-social-icon.linkedin:hover {
  background: #0A66C2;
  color: #FFFFFF;
  border-color: #0A66C2;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(10, 102, 194, 0.28);
}

.photo-social-icon.github {
  color: #0F172A;
}

.photo-social-icon.github:hover {
  background: #0F172A;
  color: #FFFFFF;
  border-color: #0F172A;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.24);
}

.photo-social-icon:hover svg {
  transform: scale(1.08);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  border-radius: calc(var(--radius-card) - 4px);
  background: #E2E8F0;
  display: block;
}

.photo-badge {
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-surface-solid);
  border: 1px solid var(--accent-border);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.32rem 0.85rem;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.85rem;
  background: var(--accent-tint);
  color: var(--accent);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.hero-role {
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 1rem;
}

.hero-bio {
  color: var(--ink-secondary);
  font-size: 0.98rem;
  max-width: 72ch;
  margin-bottom: 1.35rem;
}

.contact-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.9rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  font-size: 0.83rem;
  font-weight: 500;
  color: var(--ink-secondary);
  text-decoration: none;
  transition: all 0.18s ease;
}

a.meta-chip:hover {
  color: var(--accent);
  border-color: var(--accent-border);
  background: var(--accent-tint);
}

.meta-chip-download {
  background: var(--accent);
  color: #FFFFFF;
  border-color: var(--accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(25, 90, 70, 0.22);
}

a.meta-chip-download:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(25, 90, 70, 0.32);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

/* OVERVIEW BENTO GRID */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 1.5rem;
  align-items: stretch;
}

.bento-education {
  grid-column: span 6;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
}

.bento-skills {
  grid-column: span 6;
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
}

.bento-languages-certs {
  grid-column: span 12;
  padding: 1.5rem 1.75rem;
}

.lang-cert-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.sub-col {
  display: flex;
  flex-direction: column;
}

.sub-col-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-secondary);
  margin-bottom: 0.85rem;
}

.card-header {
  display: flex;
  align-items: center;
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.2;
}

/* Education List (Gelijkmatige natuurlijke spacing boven, tussenin en onder) */
.edu-list {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}

.edu-item {
  display: grid;
  grid-template-columns: 9px 1fr;
  column-gap: 0.9rem;
  align-content: center;
  align-items: start;
  padding: 0.85rem 1.15rem;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-inner);
  transition: border-color 0.2s ease;
  flex: 1;
}

.edu-item.current {
  border-color: var(--accent-border);
  background: linear-gradient(180deg, #FFFFFF 0%, #F4FAF7 100%);
}

.edu-marker {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-muted);
  margin-top: 0.38rem;
  flex-shrink: 0;
}

.edu-item.current .edu-marker {
  background: var(--accent-live);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.18);
}

.edu-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.32rem;
}

.edu-degree {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.3;
}

.edu-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.edu-school {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
}

.edu-meta-sep {
  color: var(--ink-muted);
  font-weight: 700;
  font-size: 0.85rem;
  line-height: 1;
}

.edu-highlight {
  margin-top: 0.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.7rem;
  background: var(--accent-tint);
  color: var(--accent);
  border-radius: var(--radius-inner);
  font-size: 0.8rem;
  font-weight: 500;
  line-height: 1.35;
}

.period-badge {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.16rem 0.6rem;
  background: var(--bg-subtle);
  color: var(--ink-secondary);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.period-badge.active {
  background: var(--accent);
  color: #FFFFFF;
}

/* Skills List (Compacte lijst zonder tegels, gelijke hoogte als Opleiding) */
.skills-list {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
  flex: 1;
}

.skill-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.65rem 0.2rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  border-radius: 0;
}

.skill-item:first-child {
  padding-top: 0.15rem;
}

.skill-item:last-child {
  border-bottom: none;
  padding-bottom: 0.1rem;
}

.skill-marker {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.42rem;
  flex-shrink: 0;
}

.skill-body {
  flex: 1;
}

.skill-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.12rem;
  line-height: 1.3;
}

.skill-desc {
  font-size: 0.82rem;
  color: var(--ink-secondary);
  line-height: 1.38;
}

/* Languages */
.lang-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.lang-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-inner);
}

.lang-info {
  display: flex;
  flex-direction: column;
}

.lang-name {
  font-weight: 700;
  font-size: 0.92rem;
}

.lang-level {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.lang-dots {
  display: flex;
  gap: 0.35rem;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg-subtle);
  border: 1px solid var(--border-strong);
}

.dot.filled {
  background: var(--accent);
  border-color: var(--accent);
}

.dot.half {
  background: linear-gradient(90deg, var(--accent) 55%, var(--bg-subtle) 55%);
  border-color: var(--accent);
}

/* Certificates */
.cert-card-content {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cert-info-main {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-inner);
}

.cert-info-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.cert-marker {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.4rem;
  flex-shrink: 0;
}

.cert-name {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.2rem;
}

.cert-org {
  font-size: 0.84rem;
  color: var(--ink-secondary);
  line-height: 1.45;
  margin-bottom: 0.75rem;
}

.cert-download-btn {
  align-self: flex-start;
  padding: 0.5rem 1.05rem;
  font-size: 0.82rem;
}

/* =========================================================================
   7. VIEW 2: ERVARING (TIMELINE UI)
   ========================================================================= */
.section-top-bar {
  margin-bottom: 2rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink-primary);
  margin: 0.25rem 0 0.4rem;
}

.section-subtitle {
  color: var(--ink-secondary);
  font-size: 1rem;
  max-width: 100%;
}

.timeline-wrapper {
  position: relative;
  padding-left: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.timeline-rail {
  position: absolute;
  left: 11px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent) 0%, rgba(25, 90, 70, 0.15) 100%);
}

.timeline-item {
  position: relative;
}

.timeline-node {
  position: absolute;
  left: -2.5rem;
  top: 1.65rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-surface-solid);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.node-core {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline-item.current .timeline-node {
  border-color: var(--accent-live);
  box-shadow: 0 0 0 5px rgba(16, 185, 129, 0.18);
}

.timeline-item.current .node-core {
  background: var(--accent-live);
}

.timeline-card {
  padding: 1.6rem 1.85rem;
}

.timeline-card-header {
  margin-bottom: 0.85rem;
}

.timeline-status-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.domain-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-pill);
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.timeline-company {
  font-weight: 600;
  color: var(--accent);
  font-size: 0.95rem;
}



.timeline-desc {
  color: var(--ink-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.1rem;
  max-width: 100%;
}

.timeline-skills,
.personal-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.mini-chip {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.28rem 0.75rem;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--ink-secondary);
}

/* =========================================================================
   8. VIEW 3: VIBECODE PROJECTEN
   ========================================================================= */
.vibecode-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: 1.5rem;
}

.vibe-card {
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.15rem;
}

.vibe-card-main {
  flex: 1;
}

.vibe-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 0.65rem;
  line-height: 1.25;
}

.vibe-desc {
  font-size: 0.92rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.vibe-card-footer {
  padding-top: 1.15rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
}

.vibe-action-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  background: var(--bg-surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  color: var(--ink-primary);
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  transition: all 0.22s var(--ease-spring);
  max-width: 100%;
}

.vibe-action-pill:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(25, 90, 70, 0.28);
}

.vibe-favicon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: #FFFFFF;
  border-radius: 4px;
  padding: 1px;
}

.vibe-favicon {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  object-fit: contain;
  display: block;
}

.vibe-globe-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--ink-muted);
}

.vibe-action-pill:hover .vibe-globe-icon {
  color: #FFFFFF;
}

.browser-url {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: inherit;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vibe-arrow-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--ink-muted);
  transition: transform 0.2s ease, color 0.2s ease;
  margin-left: 0.15rem;
}

.vibe-action-pill:hover .vibe-arrow-icon {
  color: #FFFFFF;
  transform: translate(2px, -2px);
}

/* =========================================================================
   9. VIEW 4: PERSOONLIJK (HOBBIES & INTERESTS)
   ========================================================================= */
.personal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.personal-card {
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.personal-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.personal-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.personal-desc {
  color: var(--ink-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  flex: 1;
}

/* =========================================================================
   10. FOOTER
   ========================================================================= */
.site-footer {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  padding: 1.5rem 1.25rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--ink-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.18s ease;
}

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

/* =========================================================================
   11. RESPONSIVE BREAKPOINTS (TABLET & MOBILE OPTIMIZATION)
   ========================================================================= */
@media (max-width: 1040px) {
  .topbar {
    top: 0.5rem;
    margin-bottom: 1.25rem;
    padding: 0 0.85rem;
  }

  .topbar-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-card);
  }

  .brand-link {
    width: auto;
    order: 1;
  }

  .topbar-actions {
    order: 2;
    margin-left: auto;
  }

  .segmented-nav {
    order: 3;
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
  }

  .nav-tab,
  .nav-tab[data-tab="overzicht"],
  .nav-tab[data-tab="ervaring"],
  .nav-tab[data-tab="vibecode"],
  .nav-tab[data-tab="persoonlijk"] {
    width: 100%;
    padding: 0.55rem 0.5rem;
    font-size: 0.85rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    text-align: center;
  }

  .contact-strip,
  .hero-cta-row {
    justify-content: center;
  }

  .bento-education,
  .bento-skills,
  .bento-languages-certs {
    grid-column: span 12;
  }

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

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

  .form-field.full-span {
    grid-column: span 1;
  }
}

@media (max-width: 680px) {
  /* Intro Overlay Mobile */
  .intro-stage {
    width: calc(100% - 1.5rem);
    padding: 2.25rem 1.25rem;
  }

  .intro-name {
    font-size: clamp(1.85rem, 8.2vw, 2.5rem);
    min-height: 1.25em;
    margin-bottom: 0.65rem;
  }

  .intro-title {
    font-size: clamp(0.95rem, 3.8vw, 1.15rem);
    min-height: 2.8em;
    margin-bottom: 1.5rem;
  }

  /* Topbar Mobile: Brand + Flag Switcher on top row, 2x2 Nav Grid below */
  .topbar {
    position: sticky;
    top: 0.4rem;
    padding: 0 0.65rem;
    margin-bottom: 1rem;
  }

  .topbar-inner {
    padding: 0.65rem 0.8rem;
    gap: 0.6rem;
    border-radius: 16px;
  }

  .brand-link {
    gap: 0.6rem;
  }

  .brand-avatar-mini {
    width: 38px;
    height: 38px;
  }

  .brand-name {
    font-size: 0.96rem;
  }

  .lang-btn {
    width: 38px;
    height: 28px;
  }

  .flag-icon {
    width: 20px;
    height: 14px;
  }

  .segmented-nav {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.45rem;
  }

  .nav-tab,
  .nav-tab[data-tab="overzicht"],
  .nav-tab[data-tab="ervaring"],
  .nav-tab[data-tab="vibecode"],
  .nav-tab[data-tab="persoonlijk"] {
    width: 100%;
    padding: 0.52rem 0.5rem;
    font-size: 0.82rem;
  }

  /* Main Container */
  .main-container {
    padding: 0 0.65rem 2.5rem;
  }

  /* Overview Hero Card Mobile */
  .hero-card {
    padding: 1.35rem 1.1rem 1.4rem;
    margin-bottom: 1.1rem;
  }

  .hero-grid {
    gap: 1.15rem;
  }

  .photo-frame-wrap {
    gap: 0.85rem;
  }

  .photo-frame {
    width: 175px;
    height: 205px;
  }

  .photo-social-icon {
    width: 40px;
    height: 40px;
  }

  .hero-name {
    font-size: clamp(1.75rem, 7.2vw, 2.2rem);
  }

  .hero-role {
    font-size: 0.98rem;
    margin-bottom: 0.75rem;
  }

  .hero-bio {
    font-size: 0.9rem;
    line-height: 1.55;
    margin-bottom: 1.15rem;
  }

  .contact-strip {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .meta-chip {
    justify-content: center;
    width: 100%;
    padding: 0.55rem 0.85rem;
    font-size: 0.84rem;
  }

  /* Overview Bento Grid Mobile */
  .bento-grid {
    gap: 1.1rem;
  }

  .bento-education,
  .bento-skills,
  .bento-languages-certs {
    padding: 1.25rem 1.1rem;
  }

  .card-title {
    font-size: 1.15rem;
  }

  .edu-item {
    padding: 0.85rem 0.95rem;
    column-gap: 0.75rem;
  }

  .edu-degree {
    font-size: 0.9rem;
  }

  .edu-school {
    font-size: 0.82rem;
  }

  .period-badge {
    font-size: 0.7rem;
  }

  .lang-cert-columns {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }

  .cert-info-main {
    padding: 0.9rem 0.95rem;
  }

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

  /* Section Headers (Ervaring, Vibecode, Persoonlijk) */
  .section-top-bar {
    margin-bottom: 1.5rem;
  }

  .section-header-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.85rem;
  }

  .section-header-row #add-project-toggle {
    width: 100%;
    justify-content: center;
  }

  .section-title {
    font-size: 1.65rem;
  }

  .section-subtitle {
    font-size: 0.92rem;
  }

  /* Experience Timeline Mobile */
  .timeline-wrapper {
    padding-left: 1.45rem;
    gap: 1.1rem;
  }

  .timeline-rail {
    left: 7px;
  }

  .timeline-node {
    left: -1.45rem;
    top: 1.3rem;
    width: 18px;
    height: 18px;
  }

  .node-core {
    width: 8px;
    height: 8px;
  }

  .timeline-card {
    padding: 1.2rem 1.1rem;
  }

  .timeline-role {
    font-size: 1.1rem;
  }

  .timeline-company {
    font-size: 0.9rem;
  }

  .timeline-desc {
    font-size: 0.9rem;
    margin-bottom: 0.9rem;
  }

  /* Vibecode Projects & Form Mobile */
  .vibecode-grid {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .vibe-card {
    padding: 1.25rem 1.1rem;
  }

  .vibe-browser-bar {
    padding: 0.32rem 0.7rem;
  }

  .browser-url {
    max-width: 100%;
    min-width: 0;
  }

  /* Personal Cards Mobile */
  .personal-grid {
    gap: 1.1rem;
  }

  .personal-card {
    padding: 1.3rem 1.15rem;
  }

  .personal-title {
    font-size: 1.15rem;
  }

  .personal-desc {
    font-size: 0.9rem;
  }

  /* Footer Mobile */
  .site-footer {
    padding: 1.25rem 0.85rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 0.65rem;
    font-size: 0.8rem;
  }

  .footer-links {
    justify-content: center;
    gap: 0.85rem;
  }
}