/* ================================================================
   BOB VAN BERCKEL — PORTFOLIO
   style.css
   ================================================================ */

/* ── Reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Colours */
  --color-bg:          #f8f9fb;
  --color-surface:     #ffffff;
  --color-surface-2:   #eef2f8;
  --color-accent:      #1c69d4;
  --color-accent-glow: rgba(28, 105, 212, 0.18);
  --color-accent-soft: rgba(28, 105, 212, 0.08);
  --color-text:        #0d1117;
  --color-text-muted:  #6b7280;
  --color-border:      rgba(0, 0, 0, 0.07);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --nav-height: 68px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* ── Navbar ───────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition:
    background 0.4s var(--ease-out),
    border-color 0.4s var(--ease-out),
    box-shadow 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

/* Top state — over the dark video hero */
.navbar:not(.is-scrolled) .navbar__links > li > a,
.navbar:not(.is-scrolled) .navbar__dropdown-toggle {
  color: rgba(255, 255, 255, 0.75);
}
.navbar:not(.is-scrolled) .navbar__links > li > a:hover,
.navbar:not(.is-scrolled) .navbar__dropdown-toggle:hover {
  color: #fff;
}
.navbar:not(.is-scrolled) .navbar__wordmark {
  color: #fff;
}
.navbar:not(.is-scrolled) .navbar__hamburger span {
  background: #fff;
}

/* Scrolled state — applied via JS */
.navbar.is-scrolled {
  background: rgba(250, 248, 245, 0.90);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom-color: var(--color-border);
  box-shadow: 0 1px 24px rgba(0, 0, 0, 0.06);
}

.navbar__inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Nav links (left) */
.navbar__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.navbar__links a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  position: relative;
  transition: color 0.2s;
}

.navbar__links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.navbar__links a:hover {
  color: var(--color-text);
}

.navbar__links a:hover::after {
  width: 100%;
}

/* Wordmark (right) */
.navbar__wordmark {
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color 0.2s;
  position: relative;
}

.navbar__wordmark::after {
  content: '🔗 LinkedIn';
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 0.4em 0.75em;
  border-radius: 8px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.15);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

/* Staartje van het wolkje */
.navbar__wordmark::before {
  content: '';
  position: absolute;
  top: calc(100% + 4px);
  right: 12px;
  border: 6px solid transparent;
  border-bottom-color: var(--color-accent);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s, transform 0.2s;
}

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

.navbar__wordmark:hover::after,
.navbar__wordmark:hover::before {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero ─────────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: var(--nav-height);
}

/* Background layers */
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(
      135deg,
      #090d14 0%,
      #0d1525 35%,
      #0a1120 60%,
      #080c14 100%
    );
}

/* Gradient glows */
.hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  will-change: transform;
}

.hero__glow--1 {
  width: 700px;
  height: 500px;
  top: -80px;
  left: -80px;
  background: radial-gradient(ellipse, rgba(28, 105, 212, 0.30) 0%, transparent 70%);
  animation: drift-1 18s ease-in-out infinite alternate;
}

.hero__glow--2 {
  width: 600px;
  height: 600px;
  bottom: -120px;
  right: -30px;
  background: radial-gradient(ellipse, rgba(68, 153, 224, 0.20) 0%, transparent 70%);
  animation: drift-2 22s ease-in-out infinite alternate;
}

.hero__glow--3 {
  width: 500px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse, rgba(28, 105, 212, 0.12) 0%, transparent 70%);
  animation: drift-1 26s ease-in-out infinite alternate-reverse;
}

@keyframes drift-1 {
  from { transform: translate(0, 0); }
  to   { transform: translate(60px, 40px); }
}

@keyframes drift-2 {
  from { transform: translate(0, 0); }
  to   { transform: translate(-50px, -30px); }
}

@media (max-width: 768px) {
  .hero__glow {
    display: none;
  }
}

/* Subtle dot-grid overlay */
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(0,0,0,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

/* Hero content */
.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1.5rem;
  max-width: 820px;

  /* Fade-up animation on load */
  opacity: 0;
  transform: translateY(32px);
  animation: fade-up 0.9s 0.2s var(--ease-out) forwards;
}

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

.hero__eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(28, 105, 212, 0.22);
  border-radius: 100px;
  padding: 0.35em 1em;
  margin-bottom: 1.75rem;

  opacity: 0;
  animation: fade-up 0.7s 0.35s var(--ease-out) forwards;
}

.hero__headline {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: #fff;
  margin-bottom: 1.5rem;
  display: grid;

  opacity: 0;
  animation: fade-up 0.8s 0.5s var(--ease-out) forwards;
}

.hero__headline-ghost,
.hero__headline-live {
  grid-area: 1 / 1;
}

.hero__headline-ghost {
  visibility: hidden;
}

.hero__headline-live {
  align-self: start;
}

.hero__headline em {
  font-style: normal;
  display: inline-block;
  color: white;
}

.hero__headline em.em--reveal {
  background-image: linear-gradient(to right,
    #1c69d4   0%,
    #4499e0  27.5%,
    #0e4f9e  49.9%,
    white    50%
  );
  background-size: 200% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: reveal-bg 0.8s ease-in-out forwards;
}

@keyframes reveal-bg {
  from { background-position: 100% 0; }
  to   { background-position: 0% 0; }
}

.typewriter-cursor {
  display: inline-block;
  color: #fff;
  font-weight: 300;
  animation: cursor-blink 0.75s step-end infinite;
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.125rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
  margin-bottom: 1.75rem;

  opacity: 0;
  animation: fade-up 0.8s 0.65s var(--ease-out) forwards;
}

/* CTA button */
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  background: var(--color-accent);
  padding: 0.875em 2em;
  border-radius: 100px;
  box-shadow:
    0 0 0 1px rgba(28, 105, 212, 0.4),
    0 8px 32px var(--color-accent-glow);
  transition:
    background 0.2s,
    transform 0.2s var(--ease-out),
    box-shadow 0.2s;

  opacity: 0;
  animation: fade-up 0.8s 0.8s var(--ease-out) forwards;
}

.hero__cta:hover {
  background: #1557b0;
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(28, 105, 212, 0.5),
    0 12px 40px rgba(28, 105, 212, 0.40);
}

.hero__cta:hover svg {
  transform: translateX(3px);
}

.hero__cta svg {
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-out);
}

/* Scroll hint */
.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;

  opacity: 0;
  animation: fade-up-centered 0.8s 1.2s var(--ease-out) forwards;
}

@keyframes fade-up-centered {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.5));
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

.hero__scroll-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

/* ── Work section ─────────────────────────────────────────────── */
.work-section {
  padding: 7rem 1.5rem;
  background: var(--color-bg);
}

.work-section__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.work-section__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.work-section__text .section-eyebrow {
  margin-bottom: 1.25rem;
}

.work-section__text .section-title {
  margin-bottom: 1.5rem;
  text-align: left;
}

.work-section__body {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

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

.work-section__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: #fff;
  background: var(--color-accent);
  padding: 0.875em 2em;
  border-radius: 100px;
  box-shadow:
    0 0 0 1px rgba(28, 105, 212, 0.4),
    0 8px 32px var(--color-accent-glow);
  transition:
    background 0.2s,
    transform 0.2s var(--ease-out),
    box-shadow 0.2s;
}

.work-section__cta:hover {
  background: #1557b0;
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(28, 105, 212, 0.5),
    0 12px 40px rgba(28, 105, 212, 0.40);
}

.work-section__cta svg {
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-out);
}

.work-section__cta:hover svg {
  transform: translateX(3px);
}

.work-section__photo {
  display: flex;
  justify-content: center;
}

.work-section__photo-frame {
  position: relative;
  width: 100%;
  max-width: 400px;
}

.work-section__photo-frame::before {
  content: '';
  position: absolute;
  inset: -12px;
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(28, 105, 212, 0.12), rgba(68, 153, 224, 0.10));
  z-index: 0;
}

.work-section__photo-img {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 20px;
  object-fit: cover;
  object-position: center top;
  border: 1px solid var(--color-border);
  display: block;
}

@media (max-width: 768px) {
  .work-section { padding: 5rem 1.25rem; }

  .work-section__inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .work-section__photo { order: -1; }

  .work-section__photo-frame { max-width: 280px; }
}

/* ── Experience section ───────────────────────────────────────── */
.exp-section {
  padding: 7rem 1.5rem;
  background: var(--color-bg);
}

.exp-section__inner {
  max-width: 860px;
  margin: 0 auto;
}

.exp-section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(28, 105, 212, 0.22);
  border-radius: 100px;
  padding: 0.35em 1em;
  margin-bottom: 1.25rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
  margin-bottom: 1rem;
}

.section-title em {
  font-style: normal;
  background: linear-gradient(135deg, #1c69d4 0%, #4499e0 55%, #0e4f9e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.75;
}

/* Timeline list */
.exp-list {
  display: flex;
  flex-direction: column;
}

.exp-item {
  display: flex;
  gap: 1.75rem;
}

/* Left aside: logo + connecting line */
.exp-item__aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.exp-item__logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  color: #fff;
  overflow: hidden;
}

.exp-item__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.exp-item__logo--bmw {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.exp-item__logo--vp {
  background: linear-gradient(135deg, #374151, #4b5563);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.exp-item__logo--amac {
  background: linear-gradient(135deg, #1c1c1e, #3a3a3c);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.exp-item__logo--byte {
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  box-shadow: 0 4px 12px rgba(20, 184, 166, 0.25);
}

.exp-item__line {
  flex: 1;
  width: 1px;
  background: var(--color-border);
  margin: 10px 0;
  min-height: 32px;
}

.exp-item__line--fades {
  background: linear-gradient(to bottom, var(--color-border), transparent);
}

/* Card body */
.exp-item__body {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 1.75rem;
  flex: 1;
  min-width: 0;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.exp-item__body:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

.exp-item--featured .exp-item__body {
  border-color: rgba(28, 105, 212, 0.20);
  box-shadow: 0 2px 16px rgba(28, 105, 212, 0.07), 0 0 0 1px rgba(28, 105, 212, 0.08);
}

.exp-item--featured .exp-item__body:hover {
  box-shadow: 0 10px 40px rgba(28, 105, 212, 0.13), 0 0 0 1px rgba(28, 105, 212, 0.15);
}

.exp-item__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.exp-item__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.exp-item__company {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.exp-item__badge {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border-radius: 100px;
  padding: 0.25em 0.75em;
}

.exp-item__period {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.exp-item__title {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 0.625rem;
}

.exp-item__desc {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.exp-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
}

.exp-item__tags li {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  border: 1px solid rgba(28, 105, 212, 0.18);
  border-radius: 100px;
  padding: 0.3em 0.85em;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

.reveal:nth-child(2) { transition-delay: 0.15s; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 768px) {
  .exp-section { padding: 5rem 1.25rem; }

  .exp-item__body { padding: 1.25rem; }

  .exp-item__top { flex-direction: column; gap: 0.25rem; }

  :root { --nav-height: 60px; }

  .navbar__inner { padding: 0 1.25rem; }

  .navbar__links { gap: 1.25rem; }

  .navbar__links a { font-size: 0.8125rem; }

  .hero__content { padding: 2rem 1.25rem; }

  .hero__headline { letter-spacing: -0.025em; }

  .hero__sub .br-desktop { display: none; }

  .hero__scroll-hint { display: none; }
}

/* ── Hamburger button ─────────────────────────────────────────── */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 10px;
  transition: background 0.2s;
  flex-shrink: 0;
}

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

.navbar__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.navbar__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.is-open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.navbar__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile menu ──────────────────────────────────────────────── */
.navbar__mobile-menu {
  display: none;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(250, 248, 245, 0.97);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 1.25rem 1.5rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}

.navbar__mobile-menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.navbar__mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.navbar__mobile-menu a {
  display: block;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  padding: 0.875rem 1rem;
  border-radius: 12px;
  transition: background 0.2s, color 0.2s;
  letter-spacing: -0.01em;
}

.navbar__mobile-menu a:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* ── Navbar dropdown ──────────────────────────────────────────── */
.navbar__dropdown {
  position: relative;
}

.navbar__dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.3em;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: color 0.2s;
}

.navbar__dropdown-toggle::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.navbar__dropdown-toggle:hover {
  color: var(--color-text);
}

.navbar__dropdown-toggle:hover::after {
  width: 100%;
}

.navbar__dropdown-arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: transform 0.2s var(--ease-out);
}

.navbar__dropdown.is-open .navbar__dropdown-arrow {
  transform: rotate(180deg);
}

.navbar__dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: rgba(250, 248, 245, 0.97);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  list-style: none;
  min-width: 160px;
  padding: 0.4rem;
  font-family: var(--font-sans);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.navbar__dropdown.is-open .navbar__dropdown-menu {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.navbar__dropdown-menu a {
  display: block;
  padding: 0.6rem 0.875rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.navbar__dropdown-menu a:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

/* ── Mobile dropdown ──────────────────────────────────────────── */
.navbar__mobile-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.4em;
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.875rem 1rem;
  border-radius: 12px;
  letter-spacing: -0.01em;
  transition: background 0.2s, color 0.2s;
}

.navbar__mobile-dropdown-toggle:hover {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.navbar__mobile-dropdown-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s var(--ease-out);
}

.navbar__mobile-dropdown.is-open .navbar__mobile-dropdown-menu {
  max-height: 200px;
}

.navbar__mobile-dropdown-menu a {
  padding-left: 2rem;
}

@media (max-width: 768px) {
  .navbar__links { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__mobile-menu { display: block; }
}

/* ── Over mij section ─────────────────────────────────────────── */
.about-section {
  padding: 7rem 1.5rem;
  background: var(--color-surface-2);
}

.about-section__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.about-section__header {
  text-align: center;
  margin-bottom: 4rem;
}

.about-section__columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-col__heading {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--color-accent-soft);
}

.about-col--text p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-col--text p:last-child {
  margin-bottom: 0;
}

.about-hobbies {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.about-hobbies__item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 0.875rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  transition: box-shadow 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

.about-hobbies__item:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
  transform: translateX(4px);
}

.about-hobbies__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .about-section { padding: 5rem 1.25rem; }

  .about-section__columns {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ── Contact section ──────────────────────────────────────────── */
.contact-section {
  padding: 7rem 1.5rem;
  background: var(--color-bg);
}

.contact-section__inner {
  max-width: 680px;
  margin: 0 auto;
}

.contact-section__header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 1.5rem 1.75rem;
  transition:
    box-shadow 0.25s var(--ease-out),
    transform 0.25s var(--ease-out),
    border-color 0.25s;
}

.contact-card:hover {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.07);
  transform: translateY(-2px);
}

.contact-card--linkedin:hover {
  border-color: rgba(10, 102, 194, 0.30);
  box-shadow: 0 8px 32px rgba(10, 102, 194, 0.10);
}

.contact-card--email:hover {
  border-color: rgba(28, 105, 212, 0.25);
  box-shadow: 0 8px 32px rgba(28, 105, 212, 0.09);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}

.contact-card--linkedin .contact-card__icon {
  background: linear-gradient(135deg, #0a66c2, #0077b5);
  box-shadow: 0 4px 14px rgba(10, 102, 194, 0.30);
}

.contact-card--email .contact-card__icon {
  background: linear-gradient(135deg, #1c69d4, #4499e0);
  box-shadow: 0 4px 14px rgba(28, 105, 212, 0.28);
}

.contact-card__text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.contact-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact-card__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.contact-card__arrow {
  color: var(--color-text-muted);
  flex-shrink: 0;
  transition: transform 0.2s var(--ease-out), color 0.2s;
}

.contact-card:hover .contact-card__arrow {
  transform: translateX(4px);
  color: var(--color-text);
}

/* ── Footer ───────────────────────────────────────────────────── */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  border-top: 1px solid var(--color-border);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .contact-section { padding: 5rem 1.25rem; }

  .contact-card { padding: 1.25rem; }

  .contact-card__value { font-size: 0.9rem; }
}