/* ===============================
   Portfolio Website — Style.css
   Future-proof responsive design
   =============================== */

/* ---------- CSS VARIABLES ---------- */
:root {
  --clr-bg: #ffffff;
  --clr-text: #1e1e1e;
  --clr-muted: #666;
  --clr-primary: #2563eb;
  --clr-secondary: #f3f4f6;
  --clr-border: #e5e7eb;
  --clr-accent: #16a34a;
  --font-base: 'Inter', Arial, sans-serif;
  --radius: 12px;
  --transition: all 0.25s ease;
}

/* Dark mode (toggled via JS) */
[data-theme="dark"] {
  --clr-bg: #1a1a1a;
  --clr-text: #f4f4f4;
  --clr-muted: #aaa;
  --clr-primary: #3b82f6;
  --clr-secondary: #2a2a2a;
  --clr-border: #333;
  --clr-accent: #22c55e;
}

/* ---------- GLOBAL STYLES ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: var(--font-base);
  background-color: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  min-height: 100%;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

a {
  color: var(--clr-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
  padding: 1rem 0;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  margin-bottom: 0.5em;
}

/* ---------- HEADER & NAV ---------- */
.site-header {
  background-color: var(--clr-secondary);
  border-bottom: 1px solid var(--clr-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
}

.logo {
  background-color: var(--clr-primary);
  color: #fff;
  font-weight: bold;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 1.25rem;
}

.nav-list a {
  font-weight: 500;
}

.nav-list a[aria-current="page"] {
  border-bottom: 2px solid var(--clr-primary);
}

/* ---------- BUTTONS ---------- */
.btn {
  background-color: var(--clr-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.btn:hover {
  background-color: var(--clr-accent);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--clr-primary);
  color: var(--clr-primary);
}

.btn-outline:hover {
  background-color: var(--clr-primary);
  color: #fff;
}

/* ---------- HERO / HOME ---------- */
.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 2rem 0;
}

.hero-body {
  flex: 1 1 400px;
}

.hero-left {
  flex: 0 1 280px;
}

.avatar img {
  width: 100%;
  border-radius: 50%;
  border: 4px solid var(--clr-border);
}

.lead {
  font-size: 1.1rem;
  margin-top: 1rem;
  margin-bottom: 1rem;
}

/* ---------- CARDS ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card {
  background-color: var(--clr-secondary);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
}

/* ---------- PROFILE PAGE ---------- */
.two-col {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.profile-card {
  flex: 0 0 260px;
  background: var(--clr-secondary);
  padding: 1.5rem;
  border-radius: var(--radius);
  text-align: center;
}

.profile-body {
  flex: 1 1 500px;
}

.skill-list {
  list-style: none;
  padding: 0;
  margin-top: 0.5rem;
}

.skill-list li {
  background-color: var(--clr-border);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius);
  margin-bottom: 0.25rem;
  font-size: 0.95rem;
}

/* ---------- PROJECTS PAGE ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.project {
  background-color: var(--clr-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: var(--transition);
}

.project:hover {
  transform: translateY(-4px);
}

.project-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-body {
  padding: 1rem;
}

.project-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ---------- CV PAGE ---------- */
.cv-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
}

.cv-main {
  flex: 1 1 60%;
}

.cv-aside {
  flex: 1 1 30%;
  background: var(--clr-secondary);
  padding: 1rem;
  border-radius: var(--radius);
}

/* ---------- FOOTER ---------- */
.site-footer {
  background-color: var(--clr-secondary);
  border-top: 1px solid var(--clr-border);
  padding: 1rem 0;
  text-align: center;
  margin-top: 3rem;
}

/* ---------- MOBILE MENU ---------- */
.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--clr-secondary);
  border-top: 1px solid var(--clr-border);
}

.mobile-menu a {
  padding: 1rem;
  border-bottom: 1px solid var(--clr-border);
}

/* ---------- UTILITIES ---------- */
.muted {
  color: var(--clr-muted);
}

.small {
  font-size: 0.85rem;
}
/* ------- flexfooter */
html, body {
  height: 100%;
  display: flex;
  flex-direction: column;
  margin: 0;
}

/* Main container neemt de resterende ruimte */
main#main {
  flex: 1;
}

/*---- timeline -----*/
.timeline-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1rem;
}

.timeline-item {
  position: relative;
  padding-left: 2rem;
  border-left: 3px solid var(--clr-primary);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 0;
  width: 14px;
  height: 14px;
  background-color: var(--clr-primary);
  border-radius: 50%;
}

.timeline-date {
  font-weight: 600;
  color: var(--clr-accent);
  margin-bottom: 0.25rem;
}

.timeline-content h3 {
  margin-bottom: 0.25rem;
}

/*------ ding voor biografie op index.html */
.intro {
  background-color: var(--clr-secondary);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  line-height: 1.7;
  color: var(--clr-muted);
  max-width: 900px;
  margin: 2rem auto;
}

.intro h2 {
  font-size: 1.8rem;
  color: var(--clr-muted);
  margin-bottom: 1rem;
  text-align: center;
}

.intro p {
  margin-bottom: 1rem;
  font-size: 1rem;
}


/* ---------- RESPONSIVE ---------- */
@media (max-width: 768px) {
  .nav-list {
    display: none;
  }
  .mobile-toggle {
    display: block;
  }
  .mobile-menu[open], .mobile-menu.show {
    display: flex;
  }
}