/* ============================================================
   Portfolio — donker thema "Smidse": warm grafiet met amber
   ============================================================ */

:root {
  --bg: #131210;
  --bg-alt: #171513;
  --surface: #1e1c19;
  --border: #2b2824;
  --text: #f4efe6;
  --text-muted: #a9a296;
  --accent: #e9a35b;
  --accent-soft: rgba(233, 163, 91, 0.14);
  --on-accent: #1a120a;
  --nav-bg: rgba(19, 18, 16, 0.8);
  --success: #8fc98a;
  --radius: 14px;
  --max-width: 880px;
  --space-section: clamp(64px, 10vw, 120px);
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

/* ============ NAV ============ */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--nav-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  gap: 28px;
}

.nav__links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--text);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* ============ HERO ============ */

.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 80px 24px 120px;
}

.hero__inner {
  max-width: var(--max-width);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}

.hero__text {
  text-align: left;
  flex: 1;
  min-width: 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.1;
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.accent {
  color: var(--accent);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 0 36px;
}

.hero__cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn--primary:hover {
  transform: translateY(-2px);
}

.btn--ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hero__photo {
  flex-shrink: 0;
  width: clamp(140px, 20vw, 220px);
  height: clamp(140px, 20vw, 220px);
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}

.hero__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__photo-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
}

.scroll-cue {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 14px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.scroll-cue span {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
  animation: scrollCue 1.6s ease-in-out infinite;
}

@keyframes scrollCue {
  0% { opacity: 0; transform: translateY(0); }
  40% { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ============ SECTIONS ============ */

.section {
  padding: var(--space-section) 24px;
}

.section--alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__label {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

.section__title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

.section__text {
  color: var(--text-muted);
  max-width: 640px;
  font-size: 1.05rem;
}

.section__text--intro {
  margin-bottom: 40px;
}

.section__text strong {
  color: var(--text);
  font-weight: 600;
}

.section__subtitle {
  margin: 36px 0 4px;
  font-size: 1.15rem;
  color: var(--text);
}

/* Projectpagina's: compacter dan de homepage */
.project-page .section {
  padding-block: clamp(40px, 6vw, 72px);
}

.project-page .section:first-child {
  padding-bottom: 8px;
}

.project-page .section__text {
  margin: 0 0 14px;
}

.project-page .section__subtitle {
  margin-top: 28px;
}

/* Intro met een afbeelding ernaast (valt op mobiel onder de tekst) */
.intro-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 48px;
  align-items: center;
}

.intro-split--reverse {
  grid-template-columns: 270px minmax(0, 1fr);
}

.intro-split__media {
  margin: 0;
}

.intro-split__media img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 700px) {
  .intro-split {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .intro-split__media {
    max-width: 240px;
    margin: 0 auto;
  }

  /* Op mobiel altijd eerst de tekst, dan de afbeelding */
  .intro-split--reverse .intro-split__media {
    order: 2;
  }
}

/* Korte uitleg per leeruitkomst, onder de LU-pillen */
.lu-explain {
  display: grid;
  gap: 14px;
  max-width: 640px;
  margin-top: 32px;
}

.lu-explain p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.lu-explain strong {
  color: var(--accent);
  font-weight: 600;
}

/* ============ PROJECTS ============ */

.projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: transform 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.project-card--placeholder {
  border-style: dashed;
  opacity: 0.6;
}

.project-card--placeholder:hover {
  transform: none;
  border-color: var(--border);
}

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

.project-card__cover {
  aspect-ratio: 16 / 10;
  width: 100%;
  min-height: 0;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent-soft), var(--surface) 70%);
  border-bottom: 1px solid var(--border);
}

.project-card__cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.project-card__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.project-card__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.project-card__week,
.project-card__tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.project-card__tag {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: transparent;
}

.project-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
}

.project-card__desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}

/* ============ PROJECT DETAIL PAGE ============ */

.project-header {
  padding: 48px 24px 0;
}

.project-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 24px;
  transition: color 0.2s ease;
}

.back-link:hover {
  color: var(--accent);
}

.project-hero__meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.project-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
}

.project-hero__lede {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 680px;
  margin: 0;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.gallery__item {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
}

.gallery__item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.gallery__item[hidden] {
  display: none;
}

.lu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.lu-pill {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.lu-pill__approved {
  display: none;
  position: absolute;
  top: -8px;
  right: -8px;
  width: 22px;
  height: 22px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--success);
  border: 2px solid var(--bg);
  color: var(--bg);
}

.lu-pill--approved .lu-pill__approved {
  display: flex;
}

.lu-pill__mark {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.lu-pill--done {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.lu-pill--done .lu-pill__mark {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.lu-pill__code {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 2px;
}

.lu-pill--done .lu-pill__code {
  color: var(--accent);
}

.lu-pill__label {
  font-size: 0.9rem;
  color: var(--text);
}

.lu-pill--muted {
  opacity: 0.55;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.download {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 999px;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.download:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ============ SKILLS ============ */

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

.skills li {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ============ CONTACT ============ */

.contact-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.contact-links a {
  font-weight: 600;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

/* ============ FOOTER ============ */

.footer {
  padding: 32px 24px 48px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ============ BACK TO TOP ============ */

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.2s ease;
  z-index: 40;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ============ REVEAL ANIMATION ============ */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============ RESPONSIVE ============ */

@media (max-width: 700px) {
  .nav__toggle {
    display: flex;
  }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav__links.open {
    max-height: 300px;
  }

  .nav__links a {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
  }

  .hero {
    min-height: auto;
    padding: 100px 20px 80px;
  }

  .hero__inner {
    flex-direction: column-reverse;
    text-align: center;
    gap: 32px;
  }

  .hero__text {
    text-align: center;
  }

  .hero__cta {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .scroll-cue span {
    animation: none;
  }
}