/**
 * For The Youth Main Stylesheet - 2026 Edition
 * All modern CSS features included
 * 
 * @package ForTheYouth
 * @version 3.0
 */

/* ========== VIEW TRANSITIONS API ========== */
@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.5s;
  animation-timing-function: cubic-bezier(0.23, 1, 0.32, 1);
}

::view-transition-old(root) {
  animation-name: fade-out;
}

::view-transition-new(root) {
  animation-name: fade-in;
}

@keyframes fade-out {
  to {
    opacity: 0;
    transform: scale(0.98);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
}

/* ========== TOKENS ========== */
:root {
  /* Brand Colors */
  --color-brand-dark: #1b2a1f;
  --color-brand-panel: #243329;
  --color-brand-navy: #1e2d23;
  --color-brand-green: #52b788;
  --color-brand-green-light: #95d5b2;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-grey-50: rgba(255, 255, 255, 0.05);
  --color-grey-100: rgba(255, 255, 255, 0.1);
  --color-grey-200: rgba(255, 255, 255, 0.2);
  --color-grey-300: rgba(255, 255, 255, 0.3);
  --color-grey-400: rgba(255, 255, 255, 0.4);
  --color-grey-500: rgba(255, 255, 255, 0.5);
  --color-grey-600: rgba(255, 255, 255, 0.6);
  --color-grey-700: rgba(255, 255, 255, 0.7);
  --color-grey-800: rgba(255, 255, 255, 0.8);
  --color-grey-900: rgba(255, 255, 255, 0.9);
  
  /* Typography */
  --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Layout */
  --container-max: 1200px;
  --container-padding: clamp(1.25rem, 5vw, 3rem);
  
  /* Z-index */
  --z-below: -1;
  --z-base: 0;
  --z-content: 10;
  --z-overlay: 100;
  --z-navbar: 9000;
  --z-tooltip: 9999;
  
  /* Border Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  
  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.25);
  --shadow-2xl: 0 20px 40px rgba(0, 0, 0, 0.3);
  --shadow-glow-green: 0 0 30px rgba(82, 183, 136, 0.3);
  
  /* Transitions */
  --transition-instant: 100ms ease;
  --transition-fast: 200ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-smooth: 600ms cubic-bezier(0.23, 1, 0.32, 1);
  
  /* Easing Functions */
  --ease-smooth: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

html {
  font-size: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  
  /* SMOOTH SCROLLING */
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* REDUCED DATA MODE */
@media (prefers-reduced-data: reduce) {
  .hero__video {
    display: none;
  }
  
  .hero__watermark {
    opacity: 0.08;
  }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-brand-dark);
  overflow-x: hidden;
  min-height: 100vh;
  
  /* Scroll snap container - alleen hero snapped */
  scroll-snap-type: y proximity;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

h1 { font-size: clamp(2rem, 8vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 6vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 5vw, 2rem); }
h4 { font-size: clamp(1.25rem, 4vw, 1.5rem); }

p {
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

a {
  color: var(--color-brand-green);
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-brand-green-light);
  }
  
  &:focus-visible {
    outline: 2px solid var(--color-brand-green);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
  }
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  
  &:focus-visible {
    outline: 2px solid var(--color-brand-green);
    outline-offset: 3px;
  }
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

::selection {
  background-color: var(--color-brand-green);
  color: var(--color-brand-dark);
}

/* ========== SCROLL SECTIONS ========== */
section {
  /* Navbar offset voor anker links */
  scroll-margin-top: 100px;
}

/* ========== UTILITIES ========== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-brand-green);
  color: var(--color-brand-dark);
  padding: var(--space-sm) var(--space-md);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
  
  &:focus {
    top: 0;
    outline: none;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

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

.eyebrow {
  display: block;
  color: var(--color-brand-green);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

/* SCROLL-DRIVEN ANIMATIONS */
.reveal {
  animation: fade-in-up linear both;
  animation-timeline: view();
  animation-range: entry 0% cover 30%;
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@supports not (animation-timeline: view()) {
  .reveal {
    opacity: 1;
    transform: none;
    animation: none;
  }
}

.main-content {
  position: relative;
  width: 100%;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-navbar);
  
  width: 100%;
  height: 90px;
  
  display: flex;
  align-items: center;
  justify-content: space-between;
  
  padding: 0 clamp(1.25rem, 5vw, 3.125rem);
  
  background: transparent;
  border-bottom: 1px solid var(--color-grey-50);
  
  transition:
    background var(--transition-base),
    height var(--transition-base),
    border-color var(--transition-base),
    backdrop-filter var(--transition-base);
  
  &.scrolled {
    background: rgba(15, 18, 25, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    height: 80px;
    border-bottom-color: rgba(82, 183, 136, 0.3);
    box-shadow: var(--shadow-md);
  }
}

.navbar__logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 1.75rem);
  color: var(--color-white);
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-brand-green);
  }
  
  &:focus-visible {
    outline-color: var(--color-brand-green);
  }
}

.navbar__logo-text {
  display: inline;
}

.navbar__logo-accent {
  color: var(--color-brand-green);
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 3rem);
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__menu-item {
  position: relative;
}

.navbar__menu-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(0.6875rem, 1.5vw, 0.75rem);
  font-weight: 600;
  color: var(--color-grey-800);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  padding: var(--space-xs) 0;
  
  transition: color var(--transition-fast);
  position: relative;
  
  &::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-brand-green);
    transition: width var(--transition-base);
  }
  
  &:hover,
  &.active {
    color: var(--color-brand-green);
    
    &::after {
      width: 100%;
    }
  }
  
  &:focus-visible {
    outline-color: var(--color-brand-green);
    outline-offset: 4px;
  }
}

.navbar__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  
  padding: clamp(0.625rem, 2vw, 0.75rem) clamp(1.25rem, 3vw, 1.875rem);
  
  font-family: var(--font-display);
  font-size: clamp(0.6875rem, 1.5vw, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  
  color: var(--color-brand-green);
  background: transparent;
  border: 1px solid var(--color-brand-green);
  border-radius: var(--radius-sm);
  
  text-decoration: none;
  
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  
  &:hover {
    background: var(--color-brand-green);
    color: var(--color-brand-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-green);
  }
  
  &:active {
    transform: translateY(0);
  }
  
  &:focus-visible {
    outline-color: var(--color-brand-green);
    outline-offset: 4px;
  }
}

.navbar__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  z-index: calc(var(--z-navbar) + 1);
  
  &:focus-visible {
    outline: 2px solid var(--color-brand-green);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
  }
}

/* Hide WordPress default search */
.navbar .search-toggle,
.navbar .search-form,
.navbar [class*="search"],
form[role="search"] {
  display: none !important;
}

.navbar__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}

.navbar__hamburger-line {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-white);
  transition:
    transform var(--transition-base),
    opacity var(--transition-fast);
}

.navbar__mobile-toggle[aria-expanded="true"] {
  .navbar__hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .navbar__hamburger-line:nth-child(2) {
    opacity: 0;
  }
  
  .navbar__hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}

@media (max-width: 992px) {
  .navbar {
    padding: 0 var(--space-md);
  }
  
  .navbar__menu,
  .navbar__cta {
    display: none;
  }
  
  .navbar__mobile-toggle {
    display: block;
  }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  
  display: flex;
  align-items: center;
  justify-content: center;
  
  padding: 0 20px;
  
  overflow: hidden;
  background-color: var(--color-brand-dark);
  isolation: isolate;
  
  /* Alleen hero section snapt */
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.hero__video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  background-color: var(--color-brand-dark);
  
  /* PERFORMANCE OPTIMIZATION */
  content-visibility: auto;
}

/* Mobile: minder ingezoomd (meer van video zichtbaar) */
@media (max-width: 768px) {
  .hero__video {
    transform: scale(0.95);
  }
}

/* Desktop: minder zoom */
@media (min-width: 769px) {
  .hero__video {
    transform: scale(1.27);
  }
}

/* Seamless loop transition */
.seamless-video {
  animation: seamless-fade 0.3s ease-in-out;
}

@keyframes seamless-fade {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.98; }
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;

  background: rgba(11, 14, 20, 0.55);

  pointer-events: none;
}

.hero__watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(8rem, 25vw, 20rem);
  color: var(--color-white);
  
  letter-spacing: clamp(1.5rem, 5vw, 4rem);
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1;
  
  opacity: 0.06;
  mix-blend-mode: overlay;
  
  pointer-events: none;
  user-select: none;
  
  /* PARALLAX SCROLL EFFECT */
  animation: parallax-watermark linear both;
  animation-timeline: scroll();
  animation-range: 0vh 100vh;
}

@keyframes parallax-watermark {
  to {
    transform: translate(-50%, -50%) translateY(30vh);
  }
}

@supports not (animation-timeline: scroll()) {
  .hero__watermark {
    animation: none;
  }
}

.hero__content {
  position: relative;
  z-index: 10;
  
  max-width: 900px;
  text-align: center;
  
  /* SCROLL-DRIVEN FADE IN */
  animation: hero-content-reveal linear both;
  animation-timeline: view();
  animation-range: entry 0% cover 20%;
}

@keyframes hero-content-reveal {
  from {
    opacity: 0;
    transform: translateY(50px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.hero__eyebrow {
  display: inline-block;
  color: var(--color-brand-green);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: clamp(2rem, 8vw, 4.25rem);
  font-weight: 300;
  color: var(--color-white);
  line-height: 1.15;
  letter-spacing: 0.06em;

  margin-bottom: var(--space-lg);

  text-shadow:
    0 2px 4px rgba(0, 0, 0, 0.6),
    0 4px 12px rgba(0, 0, 0, 0.4);

  opacity: 0;
}

.hero__subtitle {
  font-size: clamp(1.125rem, 2.8vw, 1.375rem);
  font-weight: 300;
  color: rgba(232, 230, 227, 0.95);
  line-height: 1.5;
  letter-spacing: 0.5px;
  
  max-width: 600px;
  margin: 0 auto 8px;
  
  text-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.8),
    0 4px 16px rgba(0, 0, 0, 0.6);
  font-family: var(--font-display);
  
  /* Gold accent line */
  position: relative;
  padding-top: 20px;
  opacity: 0;
}

.hero__subtitle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-brand-green), transparent);
  opacity: 0.6;
}

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  
  color: var(--color-grey-600);
  font-size: 20px;
  
  opacity: 0.7;
  
  animation: scrollBounce 2s ease-in-out 2s infinite;
  
  transition: opacity var(--transition-fast);
  
  &:hover {
    opacity: 1;
  }
}

@keyframes scrollBounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 100vh;
    min-height: 100svh;
    padding: var(--space-lg) var(--space-md);
  }
  
  .hero__watermark {
    font-size: clamp(6rem, 40vw, 10rem);
    letter-spacing: clamp(0.5rem, 8vw, 2rem);
    opacity: 0.04;
  }
  
  .hero__title {
    margin-bottom: var(--space-md);
  }
  
  .hero__scroll-indicator {
    bottom: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .hero__eyebrow {
    font-size: 0.625rem;
  }
  
  .hero__watermark {
    opacity: 0.03;
  }
}

/* Desktop: groter om te compenseren voor lichter gewicht */
@media (min-width: 769px) {
  .hero__title {
    font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--space-2xl) var(--space-md);
  }
  
  .hero__scroll-indicator {
    display: none;
  }
}

/* ========== STATS ========== */
.stats {
  padding: clamp(3rem, 8vh, 4.375rem) 0;
  background: var(--color-brand-panel);
  border-top: 1px solid var(--color-grey-100);
  position: relative;
  z-index: 10;
}

.stats__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
  text-align: center;
  
  /* CONTAINER QUERY SUPPORT */
  container-type: inline-size;
}

.stats__item {
  padding: var(--space-md);
  transition: transform var(--transition-smooth);
  
  /* SCROLL-DRIVEN STAGGER */
  animation: stats-reveal linear both;
  animation-timeline: view();
  animation-range: entry 0% cover 25%;
  
  &:hover {
    transform: translateY(-5px) scale(1.05);
  }
  
  &:nth-child(1) { animation-delay: 0ms; }
  &:nth-child(2) { animation-delay: 100ms; }
  &:nth-child(3) { animation-delay: 200ms; }
  &:nth-child(4) { animation-delay: 300ms; }
}

@keyframes stats-reveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stats__number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3rem);
  font-weight: 900;
  color: var(--color-brand-green);
  line-height: 1;
  margin: 0 0 var(--space-xs) 0;
  min-height: 1em;
  font-variant-numeric: tabular-nums;
}

.stats__label {
  font-family: var(--font-display);
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  font-weight: 600;
  color: var(--color-grey-600);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0;
}

/* CONTAINER QUERY FOR STATS */
@container (max-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
}

@media (max-width: 768px) {
  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }
  
  .stats {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 640px) {
  .stats__grid {
    gap: var(--space-md);
  }
  
  .stats__item {
    padding: var(--space-sm);
  }
}

/* ========== PORTFOLIO ========== */
.portfolio {
  padding: clamp(4rem, 12vh, 7.5rem) var(--container-padding);
  background: var(--color-brand-dark);
  
  /* CONTAINER QUERY */
  container-type: inline-size;
  container-name: portfolio;
}

.portfolio__header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto clamp(2.5rem, 6vw, 3.75rem);
}

.portfolio__title {
  font-size: clamp(2rem, 5vw, 2.375rem);
  color: var(--color-white);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.portfolio__description {
  color: var(--color-grey-600);
  font-size: var(--space-sm);
  line-height: 1.7;
  margin: 0;
}

.portfolio__filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: clamp(2rem, 5vw, 3.125rem);
  flex-wrap: wrap;
}

.portfolio__filter-btn {
  padding: clamp(0.5rem, 1.5vw, 0.625rem) clamp(1rem, 3vw, 1.25rem);
  min-height: 44px;
  
  font-family: var(--font-display);
  font-size: clamp(0.6875rem, 1.5vw, 0.6875rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  
  color: var(--color-grey-600);
  background: transparent;
  border: 1px solid var(--color-grey-100);
  border-radius: var(--radius-sm);
  
  cursor: pointer;
  transition: all var(--transition-smooth);
  
  &:hover:not(:disabled),
  &.active {
    background: var(--color-brand-green);
    color: var(--color-brand-dark);
    border-color: var(--color-brand-green);
    transform: translateY(-2px);
  }
  
  &:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    text-decoration: line-through;
    color: var(--color-grey-400);
    border-color: var(--color-grey-50);
  }
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(240px, 100%), 1fr));
  gap: clamp(1.25rem, 3vw, 1.875rem);
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio__card {
  background: rgba(255,255,255,0.01);
  border: 1px solid var(--color-grey-50);
  padding: var(--space-xl) var(--space-md);
  text-align: center;
  border-radius: var(--radius-sm);
  
  /* CONTAINER QUERY */
  container-type: inline-size;
  
  /* 3D TRANSFORM HOVER */
  transform-style: preserve-3d;
  transition: all var(--transition-smooth);
  
  /* PERFORMANCE */
  content-visibility: auto;
  
  /* VIEW TRANSITION */
  view-transition-name: var(--card-name);
  
  /* STAGGERED ENTRANCE ANIMATION */
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.6s ease-out forwards;
  
  &:hover {
    transform: perspective(1000px) rotateX(5deg) translateY(-10px);
    border-color: var(--color-brand-green);
    background: rgba(255,255,255,0.03);
    box-shadow:
      var(--shadow-lg),
      0 0 40px rgba(82, 183, 136, 0.2);
  }
  
  &.hidden {
    display: none;
  }
}

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

.portfolio__image-wrapper {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.portfolio__image {
  max-height: 100%;
  max-width: 100%;
  height: auto;
  width: auto;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.4));
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
  object-fit: contain;
  
  /* VIEW TRANSITION */
  view-transition-name: product-image;
  
  /* PERFORMANCE */
  content-visibility: auto;
}

.portfolio__card:hover .portfolio__image {
  transform: scale(1.08) translateZ(20px);
  filter: drop-shadow(0 15px 30px rgba(0,0,0,0.6));
}

.portfolio__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.portfolio__product-name {
  font-size: clamp(1rem, 2vw, 1.0625rem);
  font-weight: 700;
  color: var(--color-white);
  margin: 0;
  line-height: 1.2;
}

.portfolio__product-variant {
  font-size: clamp(0.75rem, 1.5vw, 0.75rem);
  font-weight: 600;
  color: var(--color-brand-green);
  display: block;
  margin: 0;
}

/* B2B SPECS OVERLAY */
.portfolio__specs {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(11, 14, 20, 0.98), rgba(11, 14, 20, 0.95));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: var(--space-lg) var(--space-md);
  transform: translateY(100%);
  opacity: 0;
  transition: all var(--transition-smooth);
  border-top: 1px solid var(--color-brand-green);
}

.portfolio__card:hover .portfolio__specs {
  transform: translateY(0);
  opacity: 1;
}

.portfolio__specs-header {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-brand-green);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
  text-align: center;
}

.portfolio__specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.portfolio__spec-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3xs);
}

.portfolio__spec-item--full {
  grid-column: 1 / -1;
}

.portfolio__spec-label {
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--color-grey-500);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio__spec-value {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-white);
}

/* NESTED FILTER GROUPS */
.portfolio__filters {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-bottom: clamp(2rem, 5vw, 3.125rem);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.portfolio__filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
}

.portfolio__filter-label {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-grey-600);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.portfolio__filter-buttons {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* CONTAINER QUERY FOR PORTFOLIO CARDS */
@container (min-width: 300px) {
  .portfolio__product-name {
    font-size: 1.0625rem;
  }
}

@media (max-width: 640px) {
  .portfolio {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }
  
  .portfolio__card {
    padding: var(--space-lg) var(--space-sm);
  }
  
  .portfolio__image-wrapper {
    height: 140px;
  }
  
  .portfolio__filters {
    gap: var(--space-md);
  }
  
  .portfolio__filter-buttons {
    gap: var(--space-xs);
  }
  
  .portfolio__filter-btn {
    font-size: 0.625rem;
    padding: clamp(0.5rem, 1.5vw, 0.625rem) clamp(0.75rem, 2vw, 1rem);
  }
  
  /* Specs overlay aangepast voor mobiel */
  .portfolio__specs {
    padding: var(--space-md) var(--space-sm);
  }
  
  .portfolio__specs-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .portfolio__spec-item--full {
    grid-column: 1;
  }
}

/* ========== PARTNERS ========== */
.partners {
  padding: clamp(3.5rem, 10vh, 5.625rem) 0;
  background: var(--color-brand-panel);
  overflow: hidden;
  border-top: 1px solid var(--color-grey-50);
}

.partners__intro {
  text-align: center;
  margin-bottom: clamp(2rem, 5vw, 3.125rem);
  
  font-family: var(--font-display);
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  font-weight: 700;
  color: var(--color-grey-600);
  text-transform: uppercase;
  letter-spacing: 3px;
}

.partners__marquee {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.partners__track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 40s linear infinite;
  
  &:hover {
    animation-play-state: paused;
  }
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.partners__group {
  display: flex;
  align-items: center;
  gap: clamp(3rem, 8vw, 6.25rem);
  padding-right: clamp(3rem, 8vw, 6.25rem);
  flex-shrink: 0;
}

.partners__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  opacity: 0.4;
  transition: opacity var(--transition-base), transform var(--transition-smooth);
  white-space: nowrap;
  flex-shrink: 0;
  
  &:hover {
    opacity: 1;
    transform: scale(1.05);
  }
}

.partners__icon {
  font-size: clamp(1.25rem, 3vw, 1.375rem);
  color: var(--color-brand-green);
  flex-shrink: 0;
}

.partners__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .partners {
    padding: var(--space-2xl) 0;
  }
  
  .partners__track {
    animation-duration: 25s;
  }
  
  .partners__group {
    gap: var(--space-2xl);
    padding-right: var(--space-2xl);
  }
}

/* ========== MARKET ========== */
.market {
  padding: clamp(4rem, 12vh, 7.5rem) var(--container-padding);
  background: var(--color-brand-dark);
}

.market__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 5rem);
  align-items: center;
}

.market__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.market__title {
  font-size: clamp(2rem, 5vw, 2.25rem);
  color: var(--color-white);
  margin: var(--space-sm) 0 0;
  line-height: 1.2;
}

.market__description {
  color: var(--color-grey-600);
  font-size: var(--space-sm);
  line-height: 1.8;
  margin: 0 0 var(--space-md);
}

.market__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.5vw, 0.8125rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  
  color: var(--color-brand-green);
  transition: gap var(--transition-smooth);
  
  &:hover {
    gap: var(--space-sm);
    
    .market__link-icon {
      transform: translateX(4px);
    }
  }
}

.market__link-icon {
  transition: transform var(--transition-smooth);
}

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

.market__country {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  
  padding: var(--space-lg) var(--space-md);
  
  background: rgba(255,255,255,0.02);
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  
  font-family: var(--font-display);
  font-size: var(--space-sm);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 1px;
  
  transition: all var(--transition-smooth);
  
  &:hover {
    border-left-color: var(--color-brand-green);
    background: rgba(255,255,255,0.04);
    transform: translateX(5px);
  }
}

.market__country-icon {
  font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  color: var(--color-brand-green);
  flex-shrink: 0;
}

@media (max-width: 992px) {
  .market__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .market__content {
    text-align: center;
  }
  
  .market__link {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .market {
    padding: var(--space-2xl) 0;
  }
  
  .market__container {
    position: relative;
    overflow: hidden;
  }
  
  .market__content {
    padding: 0 var(--space-md);
    margin-bottom: var(--space-xl);
  }
  
  /* Swipe indicator wrapper */
  .market__grid-wrapper {
    position: relative;
    padding: 0 var(--space-md);
    overflow: hidden;
  }
  
  .market__grid {
    display: flex;
    overflow-x: auto;
    gap: var(--space-md);
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: var(--space-sm);
    margin-right: -var(--space-md);
    padding-right: calc(var(--space-md) + 40px);
    
    /* Gradient fade edges voor swipe hint */
    mask-image: linear-gradient(to right, black 85%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, black 85%, transparent 100%);
  }
  
  .market__grid::-webkit-scrollbar {
    display: none;
  }
  
  .market__country {
    flex: 0 0 auto;
    width: 140px;
    padding: var(--space-lg) var(--space-md);
    font-size: 0.875rem;
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
    scroll-snap-align: start;
  }
  
  .market__country-icon {
    font-size: 1.5rem;
  }
  
  /* Swipe indicator */
  .market__swipe-hint {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to left, var(--color-brand-dark), transparent);
    pointer-events: none;
    z-index: 5;
    transition: opacity 0.3s ease;
  }
  
  .market__swipe-hint::after {
    content: '›';
    font-size: 1.5rem;
    color: var(--color-brand-green);
    animation: swipe-pulse 2s ease-in-out infinite;
  }
  
  @keyframes swipe-pulse {
    0%, 100% {
      opacity: 0.5;
      transform: translateX(0);
    }
    50% {
      opacity: 1;
      transform: translateX(5px);
    }
  }
}

/* ========== CTA ========== */
.cta {
  padding: clamp(4rem, 12vh, 7.5rem) var(--container-padding);
  background: linear-gradient(to bottom, var(--color-brand-dark) 0%, #000 100%);
  text-align: center;
  position: relative;
  
  &::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    
    width: 100%;
    max-width: 1400px;
    height: 1px;
    
    background: linear-gradient(
      to right,
      transparent,
      var(--color-grey-200) 20%,
      var(--color-grey-200) 80%,
      transparent
    );
  }
}

.cta__box {
  max-width: 700px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 3.75rem) clamp(1.5rem, 5vw, 3rem);
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.01);
  box-shadow:
    0 0 60px rgba(82, 183, 136, 0.08),
    inset 0 0 40px rgba(82, 183, 136, 0.03);
  
  transition: border-color var(--transition-slow), box-shadow var(--transition-slow);
  
  &:hover {
    border-color: rgba(82, 183, 136, 0.5);
    box-shadow:
      0 0 80px rgba(82, 183, 136, 0.12),
      inset 0 0 60px rgba(82, 183, 136, 0.05);
  }
}

.cta__title {
  font-size: clamp(2rem, 5vw, 2.5rem);
  color: var(--color-white);
  margin: var(--space-sm) 0 var(--space-md);
  line-height: 1.2;
}

.cta__description {
  color: var(--color-grey-600);
  font-size: var(--space-sm);
  line-height: 1.7;
  margin: 0 0 var(--space-xl);
}

.cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  
  padding: clamp(0.875rem, 2vw, 1.125rem) clamp(2rem, 5vw, 3.125rem);
  min-height: 50px;
  
  font-family: var(--font-display);
  font-size: clamp(0.75rem, 1.5vw, 0.875rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  
  color: var(--color-brand-dark);
  background: var(--color-brand-green);
  border: none;
  border-radius: var(--radius-sm);
  
  cursor: pointer;
  
  transition:
    background var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  
  &:hover {
    background: var(--color-white);
    transform: translateY(-3px) scale(1.02);
    box-shadow:
      0 8px 20px rgba(82, 183, 136, 0.4),
      0 0 40px rgba(82, 183, 136, 0.2);
  }
  
  &:active {
    transform: translateY(-1px) scale(1.01);
  }
}

@media (max-width: 640px) {
  .cta {
    padding: var(--space-2xl) var(--space-md);
  }
  
  .cta__box {
    padding: var(--space-xl) var(--space-lg);
  }
  
  .cta__button {
    width: 100%;
  }
}

/* ========== FOOTER ========== */
.footer {
  background: var(--color-brand-navy);
  color: var(--color-white);
}

.footer__transition {
  height: 80px;
  background: linear-gradient(to bottom, transparent 0%, var(--color-brand-navy) 100%);
  margin-top: -80px;
  pointer-events: none;
}

.footer__inner {
  background: var(--color-brand-dark);
  padding: clamp(2.5rem, 6vh, 3.75rem) 0 0;
  border-top: 1px solid rgba(82, 183, 136, 0.2);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer__content {
  display: grid;
  grid-template-columns: 250px repeat(3, 1fr);
  gap: clamp(2rem, 5vw, 3.125rem);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-grey-50);
  align-items: start;
}

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

.footer__logo-link {
  text-decoration: none;
  display: inline-block;
  transition: opacity var(--transition-fast);
  
  &:hover {
    opacity: 0.8;
  }
}

.footer__logo-text {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--color-white);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  display: block;
}

.footer__logo-accent {
  color: var(--color-brand-green);
}

.footer__tagline {
  color: var(--color-grey-500);
  font-size: clamp(0.75rem, 1.5vw, 0.8125rem);
  line-height: 1.6;
  margin: 0;
}

.footer__title {
  font-family: var(--font-display);
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  font-weight: 700;
  color: var(--color-brand-green);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 var(--space-md);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__link {
  color: var(--color-grey-600);
  font-size: clamp(0.75rem, 1.5vw, 0.8125rem);
  text-decoration: none;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
  
  &:hover {
    color: var(--color-brand-green);
    transform: translateX(3px);
  }
}

.footer__social {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  
  width: 40px;
  height: 40px;
  min-width: 44px;
  min-height: 44px;
  
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-grey-50);
  border-radius: var(--radius-sm);
  
  text-decoration: none;
  
  transition: all var(--transition-smooth);
  
  &:hover {
    background: var(--color-brand-green);
    border-color: var(--color-brand-green);
    transform: translateY(-2px) rotate(5deg);
    
    .footer__social-icon {
      fill: var(--color-brand-dark);
    }
  }
}

.footer__social-icon {
  width: 16px;
  height: 16px;
  fill: var(--color-grey-600);
  transition: fill var(--transition-base);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: clamp(1.25rem, 3vh, 1.5625rem) 0;
  font-size: clamp(0.625rem, 1.5vw, 0.6875rem);
  color: var(--color-grey-300);
}

.footer__copyright {
  margin: 0;
}

.footer__bottom-link {
  color: var(--color-grey-300);
  text-decoration: none;
  transition: color var(--transition-fast);
  
  &:hover {
    color: var(--color-brand-green);
  }
}

@media (max-width: 992px) {
  .footer__content {
    grid-template-columns: repeat(2, 1fr);
    
    & .footer__column:first-child {
      grid-column: 1 / -1;
    }
  }
}

@media (max-width: 768px) {
  .footer__transition {
    height: 50px;
    margin-top: -50px;
  }
  
  .footer__inner {
    padding: var(--space-xl) 0 0;
    padding-bottom: 100px;
  }
  
  .footer__content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer__column {
    align-items: center;
  }
  
  .footer__tagline {
    max-width: 300px;
  }
  
  .footer__social {
    justify-content: center;
  }
  
  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

/* ========== FLOATING CTA ========== */
.floating-cta {
  position: fixed;
  bottom: var(--space-lg);
  left: var(--space-lg);
  z-index: calc(var(--z-navbar) - 1);
  
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  
  padding: clamp(0.75rem, 2vw, 0.875rem) clamp(1.25rem, 3vw, 1.625rem);
  
  font-family: var(--font-display);
  font-size: clamp(0.6875rem, 1.5vw, 0.75rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  
  color: var(--color-brand-green);
  background: rgba(15, 18, 25, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: var(--radius-md);
  
  box-shadow: var(--shadow-xl);
  
  transition:
    background var(--transition-base),
    color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  
  &:hover {
    background: var(--color-brand-green);
    color: var(--color-brand-navy);
    transform: translateY(-3px) scale(1.05);
    box-shadow:
      var(--shadow-2xl),
      0 0 40px rgba(82, 183, 136, 0.3);
    border-color: var(--color-brand-green);
  }
  
  &:active {
    transform: translateY(-1px) scale(1.02);
  }
}

.floating-cta__icon {
  font-size: var(--space-sm);
}

@media (max-width: 768px) {
  .floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    
    padding: clamp(1rem, 3vw, 1.125rem) var(--space-md);
    
    justify-content: center;
    
    border-radius: 0;
    border: none;
    border-top: 2px solid var(--color-brand-green);
    
    background: var(--color-brand-navy);
    
    &:hover {
      transform: none;
    }
  }
}

/* ========== PORTFOLIO DESKTOP SIDEBAR LAYOUT ========== */
@media (min-width: 993px) {
  /* Filter groups vertical layout */
  .portfolio__filter-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .portfolio__filter-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-brand-green);
    font-weight: 700;
    font-family: var(--font-display);
    margin-bottom: 8px;
  }
  
  .portfolio__filter-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  /* Wrapper: Filters + Grid side-by-side */
  .portfolio__content-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: clamp(2.5rem, 4vw, 3.5rem);
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
  }
  
  /* Filters als sticky sidebar */
  .portfolio__filters {
    position: sticky;
    top: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    background: rgba(255,255,255,0.01);
    border: 1px solid var(--color-grey-50);
    border-radius: var(--radius-sm);
    padding: var(--space-xl);
    margin-bottom: 0;
    justify-content: flex-start;
    flex-wrap: nowrap;
  }
  
  .portfolio__filter-btn {
    text-align: left;
    justify-content: flex-start;
    width: 100%;
  }
  
  /* Grid met 3 columns */
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1.5rem, 2.5vw, 2rem);
    max-width: none;
    margin: 0;
  }
}