:root {
  --color-bg: #FAFAF7;
  --color-text: #1D1D1F;
  --color-muted: #6B6B6B;
  --color-forest: #2F4F3A;
  --color-forest-deep: #24382C;
  --color-sage: #8A9A7E;
  --color-stone: #E7E2D6;
  --color-sand: #F1EDE2;
  --font-stack: -apple-system, "SF Pro Display", Inter, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-stack);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---------- floating nav ---------- */

.nav {
  position: fixed;
  top: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem;
  border-radius: 999px;
  background: rgba(250, 250, 247, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(29, 29, 31, 0.12);
  z-index: 100;
  transition: transform 300ms ease-out, opacity 300ms ease-out;
}

.nav--hidden {
  transform: translateX(-50%) translateY(-150%);
  opacity: 0;
}

.nav__link {
  padding: 0.5rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 200ms ease;
}

.nav__link:hover {
  background: rgba(47, 79, 58, 0.08);
}

.nav__link--active {
  background: var(--color-forest);
  color: var(--color-bg);
}

.nav__link--active:hover {
  background: var(--color-forest-deep);
}

.lang-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(250, 250, 247, 0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(29, 29, 31, 0.12);
  color: var(--color-forest);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  z-index: 100;
  transition: background 200ms ease;
}

.lang-toggle:hover {
  background: var(--color-sage);
  color: var(--color-bg);
}

.nav__link:focus-visible,
.lang-toggle:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 2px;
}

/* ---------- hero ---------- */

.hero {
  min-height: 100svh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: linear-gradient(160deg, #8A9A7E 0%, #4A6B52 45%, #2F4F3A 75%, #24382C 100%);
  background-size: cover;
  background-position: center;
  color: #FAFAF7;
  overflow: hidden;
}

/* 3D-scene canvas, achter alle hero-content */
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* zachte vignette zodat tekst leesbaar blijft */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(29, 29, 31, 0) 40%, rgba(29, 29, 31, 0.35) 100%);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: 0 1.5rem;
  will-change: transform, opacity;
}

/* backwards ipv both: na de entrance mag JS de transform overnemen (3D-tilt) */
.hero__photo {
  width: clamp(200px, 26vw, 320px);
  height: clamp(200px, 26vw, 320px);
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 5px solid rgba(250, 250, 247, 0.9);
  box-shadow: 0 20px 60px rgba(29, 29, 31, 0.4);
  animation: hero-enter 800ms ease-out backwards;
  transition: transform 150ms ease-out, box-shadow 300ms ease;
}

.hero__photo:hover {
  box-shadow: 0 28px 80px rgba(29, 29, 31, 0.5);
}

.hero__text {
  text-align: left;
}

.hero__name {
  font-size: clamp(2.8rem, 7.5vw, 5.5rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin: 0 0 1rem;
  text-shadow:
    0 1px 3px rgba(29, 29, 31, 0.5),
    0 6px 32px rgba(29, 29, 31, 0.45);
  animation: hero-enter 800ms ease-out 150ms both;
}

.hero__name-line {
  display: block;
}

.hero__role {
  font-size: clamp(0.85rem, 1.6vw, 1.05rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  margin: 0;
  color: rgba(250, 250, 247, 0.95);
  text-shadow: 0 1px 14px rgba(29, 29, 31, 0.5);
  animation: hero-enter 800ms ease-out 300ms both;
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__scroll-cue {
  position: absolute;
  bottom: 6.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  color: rgba(250, 250, 247, 0.85);
  animation: cue-bounce 2.2s ease-in-out infinite;
}

.hero__scroll-cue:focus-visible {
  outline: 2px solid var(--color-bg);
  outline-offset: 4px;
  border-radius: 4px;
}

@keyframes cue-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* golvende overgang van hero naar content */
.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: clamp(40px, 7vw, 90px);
  display: block;
  z-index: 1;
}

/* ---------- secties ---------- */

.section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 5.5rem 1.5rem;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}

.section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.section--centered {
  text-align: center;
  min-height: 55vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* kort sage-lijntje boven elke sectietitel */
.section__title::before {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  border-radius: 2px;
  background: var(--color-sage);
  margin-bottom: 1.1rem;
}

.section--centered .section__title::before {
  margin-left: auto;
  margin-right: auto;
}

.section__title {
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--color-forest);
  margin: 0 0 2.25rem;
}

.section__subtitle {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-sage);
  margin: 0 0 0.9rem;
}

.section__subtitle:not(:first-of-type) {
  margin-top: 2rem;
}

/* ---------- projecten ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.show-more {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: max-content;
  margin: 2.25rem auto 0;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-stone);
  border-radius: 999px;
  background: transparent;
  color: var(--color-forest);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 200ms ease, background 200ms ease;
}

.show-more:hover {
  border-color: var(--color-sage);
  background: var(--color-sand);
}

.show-more__chevron {
  transition: transform 250ms ease;
}

.show-more[aria-expanded="true"] .show-more__chevron {
  transform: rotate(180deg);
}

.show-more:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 2px;
}

.project-card {
  background: var(--color-sand);
  border: 1px solid var(--color-stone);
  border-radius: 1.25rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 250ms ease, box-shadow 250ms ease;
}

.project-card:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 3px;
}

.project-card--hidden {
  display: none;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(47, 79, 58, 0.14);
}

.project-card__media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-bottom: 1px solid var(--color-stone);
}

.project-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  display: block;
  transition: transform 400ms ease;
}

.project-card:hover .project-card__image {
  transform: scale(1.04);
}

.project-card__body {
  padding: 1.5rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--color-forest);
  margin: 0 0 0.6rem;
}

.project-card__description {
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.project-card__role {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-sage);
  margin: auto 0 0.9rem;
}

.project-card__tech {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
}

/* ---------- chips ---------- */

.skill-chip-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
}

.skill-chip {
  background: var(--color-bg);
  border: 1px solid var(--color-stone);
  color: var(--color-text);
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 200ms ease, background 200ms ease;
}

.skill-chip:hover {
  border-color: var(--color-sage);
  background: var(--color-sand);
}

.project-card .skill-chip {
  background: rgba(250, 250, 247, 0.7);
}

/* ---------- project-modal ---------- */

body.modal-open {
  overflow: hidden;
}

.project-modal {
  width: min(92vw, 660px);
  max-height: 88vh;
  padding: 0;
  border: 1px solid var(--color-stone);
  border-radius: 1.25rem;
  background: var(--color-bg);
  color: var(--color-text);
  box-shadow: 0 32px 80px rgba(29, 29, 31, 0.35);
  overflow: hidden; /* de inner-wrapper scrollt, zo blijven de hoeken rond */
}

.project-modal::backdrop {
  background: rgba(29, 29, 31, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.project-modal[open] {
  animation: modal-in 220ms ease-out;
}

.project-modal[open]::backdrop {
  animation: backdrop-in 220ms ease-out;
}

@keyframes modal-in {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes backdrop-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.project-modal__inner {
  position: relative;
  max-height: 88vh;
  overflow-y: auto;
}

.project-modal__close {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--color-stone);
  background: rgba(250, 250, 247, 0.88);
  color: var(--color-text);
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.project-modal__close:hover {
  background: var(--color-forest);
  border-color: var(--color-forest);
  color: var(--color-bg);
}

.project-modal__close:focus-visible,
.project-modal__nav:focus-visible,
.project-modal__demo:focus-visible {
  outline: 2px solid var(--color-forest);
  outline-offset: 2px;
}

.project-modal__gallery {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--color-stone);
  border-bottom: 1px solid var(--color-stone);
}

.project-modal__image {
  width: 100%;
  height: 100%;
  object-fit: contain; /* portrait-screenshots (ROF) krijgen letterbox i.p.v. crop */
  display: block;
}

.project-modal__image--clickable {
  cursor: pointer;
}

.project-modal__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-stone);
  background: rgba(250, 250, 247, 0.88);
  color: var(--color-text);
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease;
}

.project-modal__nav:hover {
  background: var(--color-forest);
  border-color: var(--color-forest);
  color: var(--color-bg);
}

.project-modal__nav--prev {
  left: 0.75rem;
}

.project-modal__nav--next {
  right: 0.75rem;
}

.project-modal__dots {
  position: absolute;
  bottom: 0.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.45rem;
}

.project-modal__dot {
  width: 9px;
  height: 9px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(29, 29, 31, 0.28);
  cursor: pointer;
  transition: background 200ms ease, transform 200ms ease;
}

.project-modal__dot--active {
  background: var(--color-forest);
  transform: scale(1.25);
}

.project-modal__body {
  padding: 1.75rem 2rem 2rem;
}

.project-modal__context {
  margin: 0 0 0.3rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-sage);
}

.project-modal__title {
  margin: 0 0 0.35rem;
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--color-forest);
}

.project-modal__role {
  margin: 0 0 1.1rem;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.project-modal__summary {
  margin: 0 0 1.1rem;
  font-size: 0.95rem;
  line-height: 1.65;
}

.project-modal__features {
  margin: 0 0 1.4rem;
  padding-left: 1.2rem;
  font-size: 0.92rem;
}

.project-modal__features li {
  padding: 0.18rem 0;
}

.project-modal__features li::marker {
  color: var(--color-sage);
}

.project-modal__tech {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
}

.project-modal__demo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.4rem;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: var(--color-forest);
  color: var(--color-bg);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 200ms ease, transform 200ms ease;
}

.project-modal__demo:hover {
  background: var(--color-forest-deep);
  transform: translateY(-2px);
}

/* ---------- tijdlijn ---------- */

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--color-stone);
}

.timeline-item {
  padding: 0 0 2.25rem 1.75rem;
  position: relative;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-sage);
  border: 2px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-sage);
}

.timeline-item__org {
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--color-forest);
}

.timeline-item__role {
  margin: 0.2rem 0;
  font-size: 0.95rem;
}

.timeline-item__period {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-muted);
  margin: 0;
}

/* ---------- persoonlijkheid ---------- */

.personality-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.trait-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.trait-list__item {
  background: var(--color-sand);
  border: 1px solid var(--color-stone);
  padding: 0.42rem 0.95rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* ---------- footer ---------- */

.footer {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  background: var(--color-forest-deep);
  color: var(--color-bg);
}

.footer__link {
  display: block;
  color: var(--color-bg);
  text-decoration: none;
  font-size: 1.05rem;
  margin: 0.3rem 0;
  transition: color 200ms ease;
}

.footer__link:hover {
  color: var(--color-sage);
  text-decoration: underline;
}

.footer__link:focus-visible {
  outline: 2px solid var(--color-sage);
  outline-offset: 3px;
  border-radius: 4px;
}

.footer__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.footer__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: var(--color-bg);
  border: 1px solid rgba(250, 250, 247, 0.3);
  transition: color 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.footer__cv-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.3rem;
  border-radius: 999px;
  border: 1px solid rgba(250, 250, 247, 0.3);
  color: var(--color-bg);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.footer__icon-link:hover,
.footer__cv-button:hover {
  color: var(--color-sage);
  border-color: var(--color-sage);
  transform: translateY(-2px);
}

.footer__icon-link:focus-visible,
.footer__cv-button:focus-visible {
  outline: 2px solid var(--color-sage);
  outline-offset: 3px;
}

.footer__copyright {
  margin: 1.75rem 0 0;
  font-size: 0.8rem;
  color: rgba(250, 250, 247, 0.55);
}

/* ---------- responsive ---------- */

@media (max-width: 900px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .nav {
    top: 0.75rem;
  }

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

  .nav__link {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .personality-columns {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .hero__scroll-cue {
    bottom: 5rem;
  }

  .hero__content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .hero__text {
    text-align: center;
  }

  .project-modal {
    width: 94vw;
  }

  .project-modal__body {
    padding: 1.4rem 1.4rem 1.6rem;
  }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .nav,
  .section,
  .project-card,
  .project-card__image,
  .show-more,
  .show-more__chevron,
  .skill-chip,
  .nav__link,
  .lang-toggle,
  .footer__link,
  .footer__icon-link,
  .footer__cv-button,
  .hero__photo,
  .project-modal__close,
  .project-modal__nav,
  .project-modal__dot,
  .project-modal__demo {
    transition: none;
  }

  .project-modal[open],
  .project-modal[open]::backdrop {
    animation: none;
  }

  .section {
    opacity: 1;
    transform: none;
  }

  .hero__scroll-cue,
  .hero__photo,
  .hero__name,
  .hero__role {
    animation: none;
  }
}