/* ============================================================
   TIJS VAN BAKEL MEDIA — Design System v2
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@700;800;900&family=Inter:wght@400;500;600&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Backgrounds */
  --bg-base:       #f5f3ee;
  --bg-surface:    #ffffff;
  --bg-alt:        #eceae4;

  /* Text */
  --text-primary:  #1a3a5c;
  --text-secondary:#4a6480;
  --text-muted:    #7a94aa;

  /* Accent */
  --accent:        #FF6B2B;
  --accent-hover:  #e85a1a;
  --accent-dim:    rgba(255, 107, 43, 0.12);

  /* Borders */
  --border:        #dddad2;
  --border-strong: #c8c4bb;

  /* Nav */
  --nav-bg:        rgba(245, 243, 238, 0.95);

  /* Shadows */
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:     0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.10);

  /* Footer */
  --footer-bg:     #1a3a5c;

  /* Radii */
  --r-sm:  4px;
  --r-md:  6px;

  /* Misc */
  --nav-h: 64px;
  --ease:  0.2s ease;
  --max-w: 1160px;
}

[data-theme="dark"] {
  --bg-base:       #0a1929;
  --bg-surface:    #0d2137;
  --bg-alt:        #0d2137;

  --text-primary:  #f0f4f8;
  --text-secondary:#a8c4da;
  --text-muted:    #7fa8cc;

  --accent:        #FF6B2B;
  --accent-hover:  #ff8450;
  --accent-dim:    rgba(255, 107, 43, 0.15);

  --border:        #1e3a55;
  --border-strong: #2a4f6e;

  --nav-bg:        rgba(10, 25, 41, 0.95);

  --shadow-sm:     0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:     0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg:     0 8px 40px rgba(0,0,0,0.5);

  --footer-bg:     #061524;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background var(--ease), color var(--ease);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; display: block; }
ul  { list-style: none; }
a   { color: var(--accent); text-decoration: none; transition: color var(--ease); }
a:hover { color: var(--accent-hover); }

/* ---------- Typography ---------- */
.heading {
  font-family: 'Barlow Condensed', sans-serif;
  text-transform: uppercase;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

h1, h2, h3 { color: var(--text-primary); }

h1 { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 700; line-height: 1.2; }
h2 { font-size: clamp(1.4rem, 3vw, 2rem);  font-weight: 700; line-height: 1.25; }
h3 { font-size: 1.05rem; font-weight: 600; }

p  { color: var(--text-secondary); }

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

main { flex: 1; padding-top: var(--nav-h); }

.section    { padding: 80px 0; }
.section-sm { padding: 52px 0; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: background var(--ease), border-color var(--ease);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav__links a {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  transition: color var(--ease), background var(--ease);
}

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

.nav__links a.active {
  color: var(--accent);
}

.nav__right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Theme toggle */
.toggle-theme {
  background: none;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  width: 42px;
  height: 24px;
  cursor: pointer;
  position: relative;
  transition: border-color var(--ease);
  flex-shrink: 0;
}

.toggle-theme::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--accent);
  transition: transform var(--ease);
}

[data-theme="dark"] .toggle-theme::after {
  transform: translateX(18px);
}

.toggle-theme:hover { border-color: var(--accent); }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--ease);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  padding: 16px 28px 24px;
  z-index: 999;
}

.nav__mobile.open { display: block; }

.nav__mobile a {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--ease);
}

.nav__mobile a:last-child { border-bottom: none; }
.nav__mobile a.active,
.nav__mobile a:hover { color: var(--accent); }

/* ---------- HERO (index only) ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: #0a1929;
  position: relative;
  overflow: hidden;

  /* Subtle grid */
  background-image:
    linear-gradient(rgba(30, 58, 85, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 58, 85, 0.13) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Two-column layout */
.hero__layout {
  display: flex;
  align-items: center;
  gap: 64px;
  width: 100%;
}

.hero__layout .hero__inner {
  flex: 1 1 50%;
  max-width: 600px;
}

.hero__photo-wrap {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  max-height: calc(100vh - var(--nav-h));
  overflow: hidden;
}

.hero__photo {
  width: 100%;
  height: 100%;
  max-height: calc(100vh - var(--nav-h) - 80px);
  object-fit: cover;
  border-radius: 8px;
  display: block;
}

@media (max-width: 768px) {
  .hero__layout {
    flex-direction: column-reverse;
    gap: 32px;
  }

  .hero__photo-wrap {
    width: 100%;
    max-height: 50vw;
  }

  .hero__photo {
    max-height: 50vw;
  }
}

/* Radial glow */
.hero::before {
  content: '';
  position: absolute;
  top: -15%; right: -10%;
  width: 55vw; height: 55vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,43,0.06) 0%, transparent 65%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -5%;
  width: 40vw; height: 40vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30,58,85,0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero__name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(72px, 11vw, 128px);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  color: #ffffff;
  margin-bottom: 20px;
}

.hero__tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.15;
  color: transparent;
  -webkit-text-stroke: 1.5px #2a5a7a;
  margin-bottom: 28px;
}

.hero__desc {
  font-size: 1rem;
  color: #7fa8cc;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 48px;
}

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

/* Nav blocks on homepage */
.nav-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-top: 0;
}

.nav-block {
  background: var(--bg-surface);
  padding: 36px 28px;
  display: block;
  text-decoration: none;
  position: relative;
  transition: background var(--ease);
  overflow: hidden;
}

.nav-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}

.nav-block:hover { background: var(--bg-alt); }
.nav-block:hover::before { transform: scaleX(1); }

.nav-block__label {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.nav-block__title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.nav-block p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--text-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: var(--r-sm);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--ease);
  border: 1.5px solid transparent;
  font-family: 'Inter', sans-serif;
  text-decoration: none;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.btn--primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255,107,43,0.35);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

.btn--ghost {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--accent);
  color: #fff;
}

/* ---------- Page header (inner pages) ---------- */
.page-header {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 56px;
}

.page-header h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 10px;
}

.page-header p { font-size: 1rem; }

/* ---------- Section header ---------- */
.section-header {
  margin-bottom: 40px;
}

.section-header h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 8px;
}

/* ---------- Filter bar ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 44px;
}

.filter-btn {
  padding: 7px 18px;
  border-radius: var(--r-sm);
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--ease);
  font-family: 'Inter', sans-serif;
}

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

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Project cards ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.project-card {
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  position: relative;
  padding: 32px 28px 28px;
  transition: background var(--ease), border-color var(--ease);
  border: 2px solid transparent;
  outline: none;
}

/* Decorative number */
.project-card__num {
  position: absolute;
  top: 20px; right: 24px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  color: var(--border);
  transition: color var(--ease);
  user-select: none;
}

.project-card:hover .project-card__num {
  color: var(--accent-dim);
}

.project-card__tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  width: fit-content;
}

.project-card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  line-height: 1.35;
  padding-right: 40px;
}

.project-card__desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-secondary);
  flex: 1;
}

.project-card__arrow {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color var(--ease);
}

.project-card:hover {
  background: var(--bg-alt);
  border-color: var(--accent);
  z-index: 1;
}

.project-card:hover .project-card__arrow {
  color: var(--accent);
}

/* ---------- Expertise cards ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.expertise-card {
  background: var(--bg-surface);
  padding: 36px 28px 32px;
  position: relative;
  overflow: hidden;
  transition: background var(--ease);
}

.expertise-card:hover {
  background: var(--bg-alt);
}

.expertise-card__num {
  position: absolute;
  top: 16px; right: 20px;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--border);
  transition: color var(--ease);
  user-select: none;
}

.expertise-card:hover .expertise-card__num {
  color: var(--accent-dim);
}

.expertise-card__label {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.expertise-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.expertise-card p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--text-secondary);
  padding-right: 32px;
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.about-photo {
  aspect-ratio: 3/4;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.about-content h2 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.about-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 18px;
  color: var(--text-secondary);
}

.about-content p:last-of-type { margin-bottom: 32px; }

/* ---------- Project detail ---------- */
.project-hero {
  aspect-ratio: 16/7;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  margin-bottom: 48px;
  overflow: hidden;
}

.project-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.project-detail h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1;
  margin-bottom: 36px;
}

.project-detail__body { max-width: 720px; }

.project-detail__body h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 32px 0 10px;
}

.project-detail__body p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

/* ---------- Tag (shared) ---------- */
.tag {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 3px 10px;
  border-radius: var(--r-sm);
}

/* ---------- Back link ---------- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 40px;
  transition: color var(--ease), gap var(--ease);
}

.back-link:hover { color: var(--accent); gap: 10px; }

/* ---------- Footer ---------- */
.footer {
  background: var(--footer-bg);
  padding: 52px 0 32px;
  margin-top: auto;
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: start;
  margin-bottom: 36px;
}

.footer__brand {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: #ffffff;
  margin-bottom: 4px;
}

.footer__tagline {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
}

.footer__contact h4 {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
  text-align: right;
}

.footer__contact a {
  display: block;
  color: var(--accent);
  font-size: 0.88rem;
  margin-bottom: 6px;
  text-align: right;
  transition: color var(--ease);
}

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

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer__bottom p {
  color: rgba(255,255,255,0.3);
  font-size: 0.78rem;
}

.footer__bottom a {
  color: rgba(255,255,255,0.4);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--ease);
}

.footer__bottom a:hover { color: #fff; }

/* ---------- Video grid ---------- */
.video-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 48px;
}

.video-grid video {
  width: 100%;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: #000;
  display: block;
}

@media (max-width: 600px) {
  .video-grid { grid-template-columns: 1fr; }
}

/* ---------- Utility ---------- */
.hidden { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about-photo {
    aspect-ratio: 16/9;
  }

  .nav-blocks {
    grid-template-columns: 1fr;
  }

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

  .footer__contact { text-align: left; }
  .footer__contact h4 { text-align: left; }
  .footer__contact a { text-align: left; }
}

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

  .section  { padding: 52px 0; }
  .section-sm { padding: 36px 0; }

  .cards-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__name { font-size: clamp(56px, 15vw, 80px); }
  .btn { padding: 10px 20px; font-size: 0.72rem; }
  .filter-btn { padding: 6px 12px; font-size: 0.67rem; }
  .nav-block { padding: 24px 20px; }
}

/* ---------- Fade-in animation ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-up   { animation: fadeUp 0.5s ease both; }
.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.16s; }
.d3 { animation-delay: 0.24s; }
.d4 { animation-delay: 0.34s; }