/* CSS RESET & VARIABLES */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-white: #ffffff;
  --bg-surface: #fafafa;
  --ink-primary: #132751;
  --ink-muted: #6b7280;
  --border-color: #e5e7eb;
  --border-hover: #111827;
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --container-max: 1152px;
  --transition: 0.15s ease;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--ink-primary);
  background-color: var(--bg-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::selection {
  background-color: var(--ink-primary);
  color: var(--bg-white);
}

/* TYPOGRAPHY */
h1,
h2,
h3,
h4 {
  color: var(--ink-primary);
  font-weight: 800;
  line-height: 1.15;
}

p {
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

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

/* CONTAINER & GRID */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  border-bottom: 1px solid var(--border-color);
}

.section-surface {
  background-color: var(--bg-surface);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 900px) {
  .grid-2col {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
  .grid-hero {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

/* EYEBROW BADGE */
.eyebrow-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.section-surface .eyebrow-badge {
  background-color: var(--bg-white);
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--ink-primary);
  color: var(--bg-white);
  border-color: var(--ink-primary);
}

.btn-primary:hover {
  background-color: #000000;
  border-color: #000000;
}

.btn-secondary {
  background-color: var(--bg-white);
  color: var(--ink-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-surface);
  border-color: #d1d5db;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-full {
  width: 100%;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition:
    padding var(--transition),
    box-shadow var(--transition);
  padding: 1rem 0;
}

.navbar.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  user-select: none;
}

.logo-icon {
  width: 1.85rem;
  height: 1.85rem;
  background-color: var(--ink-primary);
  color: var(--bg-white);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-vereniging {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}

.logo-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

.logo-title span {
  font-weight: 400;
  font-size: 0.85rem;
  opacity: 0.8;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav-item {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink-muted);
  transition: color var(--transition);
}

.nav-item:hover {
  color: var(--ink-primary);
}

.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.5rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  color: var(--ink-primary);
}

@media (min-width: 840px) {
  .nav-links {
    display: flex;
  }
  .mobile-menu-btn {
    display: none;
  }
}

/* MOBILE DRAWER */
.mobile-menu {
  display: none;
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
}

.mobile-menu.open {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu .nav-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(229, 231, 235, 0.4);
}

/* HERO SECTION */
.hero-section {
  padding-top: 9rem;
  padding-bottom: 5.5rem;
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 3.6rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.05rem;
  margin-bottom: 2rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  aspect-ratio: 4 / 3;
  width: 100%;
  max-height: 520px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.5s ease;
}

.media-frame:hover img {
  transform: scale(1.03);
}

.media-caption {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.7);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ink-primary);
  display: flex;
  justify-content: space-between;
}

.media-caption span:last-child {
  color: var(--ink-muted);
  font-weight: 400;
}

/* CALLOUT BANNER */
.banner {
  background-color: var(--ink-primary);
  color: var(--bg-white);
  padding: 2.75rem 0;
  border-top: 1px solid var(--ink-primary);
  border-bottom: 1px solid var(--ink-primary);
}

.banner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  text-align: center;
}

@media (min-width: 640px) {
  .banner-inner {
    flex-direction: row;
    text-align: left;
  }
}

.banner-title {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  letter-spacing: -0.03em;
  color: var(--bg-white);
}

.banner .btn {
  background-color: var(--bg-white);
  color: var(--ink-primary);
}

.banner .btn:hover {
  background-color: #f3f4f6;
}

/* SPEERPUNTEN */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  transition: border-color var(--transition);
}

.feature-card:hover {
  border-color: rgba(17, 24, 39, 0.3);
}

.feature-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.feature-title {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

/* FORM & WORD VRIEND */
.form-container-card {
  max-width: 46rem;
  margin: 0 auto;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  text-align: center;
}

@media (min-width: 640px) {
  .form-container-card {
    padding: 3.5rem 3rem;
  }
}

.form-sub-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 2rem;
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 600px) {
  .form-grid-3 {
    grid-template-columns: 5fr 3fr 4fr;
  }
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.input-control {
  width: 100%;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.95rem;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--ink-primary);
  transition:
    border-color var(--transition),
    box-shadow var(--transition);
}

.input-control::placeholder {
  color: #9ca3af;
}

.input-control:focus {
  outline: none;
  border-color: var(--ink-primary);
  box-shadow: 0 0 0 1px var(--ink-primary);
}

/* CHECKLIST */
.checklist {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.check-badge {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--radius-sm);
  background-color: var(--ink-primary);
  color: var(--bg-white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.checklist-text {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink-primary);
}

/* CONTACT 2x2 GRID */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2.5rem;
}

@media (min-width: 640px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition);
}

.contact-card:hover {
  background-color: var(--bg-white);
  border-color: rgba(17, 24, 39, 0.35);
}

.contact-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.contact-card-label-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact-card-icon {
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-sm);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-card-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
}

.copy-pill {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--ink-muted);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.contact-card:hover .copy-pill {
  background-color: var(--bg-surface);
}

.contact-card-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink-primary);
  word-break: break-all;
  letter-spacing: -0.01em;
}

/* FOOTER */
.footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 3.5rem 0 4rem;
  color: var(--ink-muted);
}

.footer-top {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .footer-top {
    flex-direction: row;
    align-items: center;
  }
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
  }
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a:hover {
  color: var(--ink-primary);
}

.social-icon-btn {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.social-icon-btn:hover {
  background-color: var(--ink-primary);
  color: var(--bg-white);
}

/* SUCCESS BANNER */
.success-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
}

.success-icon {
  width: 3rem;
  height: 3rem;
  background-color: var(--ink-primary);
  color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}