/* Kinderkracht — Global Styles v1.0.0 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

:root {
  --petrol: #1A7A8A;
  --petrol-deep: #0F4F5C;
  --amber: #D4860A;
  --amber-soft: #F5C061;
  --warmwit: #F5F3F0;
  --wit: #FFFFFF;
  --diepzwart: #1A1A1A;
  --lichtgrijs: #8A9099;
  --border: #D0D5DD;
  --error: #C0392B;
  --success: #27AE60;

  --radius-btn: 8px;
  --radius-card: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(26,122,138,0.1), 0 2px 4px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(26,122,138,0.15);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  background: var(--warmwit);
  color: var(--diepzwart);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); font-weight: 600; }

p { max-width: 65ch; }
p.wide { max-width: none; }

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

/* ─── STICKY HEADER ─── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(208,213,221,0.6);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(26,122,138,0.08);
}

.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  flex-shrink: 0;
}
.logo-icon {
  width: 52px;
  height: 52px;
  object-fit: contain;
}
.logo-wordmark {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}
.logo-wordmark .kinder { color: var(--petrol); }
.logo-wordmark .kracht { color: var(--amber); }
.logo-tagline {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--lichtgrijs);
  text-transform: none;
  display: block;
  margin-top: 3px;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.main-nav a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--diepzwart);
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  position: relative;
}
.main-nav a:hover { color: var(--amber); }
.main-nav a.active { color: var(--petrol); }
.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0.85rem;
  right: 0.85rem;
  height: 2px;
  background: var(--petrol);
  border-radius: 2px;
}

/* Nav placeholder items (future) */
.main-nav a.nav-future {
  color: var(--lichtgrijs);
  cursor: default;
  opacity: 0.6;
}
.main-nav a.nav-future:hover { color: var(--lichtgrijs); background: none; }

/* CTA button in nav */
.btn-nav-cta {
  background: var(--petrol);
  color: var(--wit) !important;
  border-radius: var(--radius-btn);
  padding: 0.5rem 1.1rem !important;
  font-size: 0.875rem !important;
  transition: background 0.2s !important;
  margin-left: 0.5rem;
}
.btn-nav-cta:hover { background: var(--petrol-deep) !important; color: var(--wit) !important; }
.btn-nav-cta.active::after { display: none; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  border-radius: 6px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--diepzwart);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  padding: 2rem 1.5rem;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 99;
  overflow-y: auto;
  transform: translateY(-8px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.mobile-nav.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}
.mobile-nav a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--diepzwart);
  padding: 0.85rem 1rem;
  border-radius: 8px;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
}
.mobile-nav a:hover { background: var(--warmwit); color: var(--petrol); }
.mobile-nav a.active { color: var(--petrol); }
.mobile-nav .btn-mobile-cta {
  background: var(--petrol);
  color: var(--wit) !important;
  border: none;
  text-align: center;
  margin-top: 1rem;
  border-radius: var(--radius-btn);
}
.mobile-nav .btn-mobile-cta:hover { background: var(--petrol-deep) !important; }
.mobile-nav .nav-future { color: var(--lichtgrijs); opacity: 0.5; }

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  text-decoration: none;
  line-height: 1.3;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--petrol);
  color: var(--wit);
  box-shadow: 0 2px 8px rgba(26,122,138,0.25);
}
.btn-primary:hover { background: var(--petrol-deep); box-shadow: 0 4px 16px rgba(26,122,138,0.3); }

.btn-secondary {
  background: transparent;
  color: var(--petrol);
  border: 1.5px solid var(--petrol);
}
.btn-secondary:hover { background: rgba(26,122,138,0.06); }

.btn-amber {
  background: var(--amber);
  color: var(--wit);
  box-shadow: 0 2px 8px rgba(212,134,10,0.25);
}
.btn-amber:hover { background: #b8720a; }

.btn-whatsapp {
  background: #25D366;
  color: var(--wit);
  box-shadow: 0 2px 8px rgba(37,211,102,0.25);
}
.btn-whatsapp:hover { background: #1ebe5a; }

.btn-lg { padding: 0.9rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn-full { width: 100%; justify-content: center; }

/* ─── LAYOUT ─── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-lg { padding: 7rem 0; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75rem;
}

/* ─── CARDS ─── */
.card {
  background: var(--wit);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card-body { padding: 1.75rem; }

/* ─── GRID ─── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ─── HERO ─── */
.hero {
  background: linear-gradient(135deg, var(--petrol-deep) 0%, var(--petrol) 60%, #1d8fa0 100%);
  color: var(--wit);
  padding: 6rem 0 5rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 70%;
  height: 160%;
  background: radial-gradient(ellipse, rgba(245,192,97,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom right, transparent 49%, var(--warmwit) 50%);
}
.hero-content { position: relative; z-index: 1; max-width: 640px; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.25rem); margin-bottom: 1.25rem; }
.hero p { font-size: 1.125rem; opacity: 0.9; margin-bottom: 2rem; max-width: 52ch; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ─── SECTION DIVIDER ─── */
.divider-wave {
  display: block;
  width: 100%;
  height: 60px;
  overflow: hidden;
  line-height: 0;
}

/* ─── BADGE ─── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.8rem;
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 600;
}
.badge-petrol { background: rgba(26,122,138,0.1); color: var(--petrol); }
.badge-amber { background: rgba(245,192,97,0.3); color: #8a5a00; }
.badge-success { background: rgba(39,174,96,0.12); color: #1e8a50; }

/* ─── ICON BOXES ─── */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.icon-box-petrol { background: rgba(26,122,138,0.12); color: var(--petrol); }
.icon-box-amber { background: rgba(245,192,97,0.3); color: var(--amber); }

/* ─── FORMS ─── */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--diepzwart);
  margin-bottom: 0.4rem;
}
.form-label .required { color: var(--error); margin-left: 2px; }
.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  color: var(--diepzwart);
  background: var(--wit);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  line-height: 1.5;
}
.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--petrol);
  box-shadow: 0 0 0 3px rgba(26,122,138,0.12);
}
.form-input.error, .form-textarea.error { border-color: var(--error); }
.form-textarea { min-height: 130px; resize: vertical; }
.form-error {
  font-size: 0.8125rem;
  color: var(--error);
  margin-top: 0.3rem;
  display: none;
}
.form-error.visible { display: block; }
.form-hint {
  font-size: 0.8125rem;
  color: var(--lichtgrijs);
  margin-top: 0.3rem;
}

.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  display: none;
  align-items: flex-start;
  gap: 0.75rem;
}
.alert.visible { display: flex; }
.alert-success { background: rgba(39,174,96,0.1); color: #1e8a50; border: 1px solid rgba(39,174,96,0.2); }
.alert-error { background: rgba(192,57,43,0.08); color: var(--error); border: 1px solid rgba(192,57,43,0.15); }

/* ─── FOOTER ─── */
.site-footer {
  background: var(--petrol-deep);
  color: rgba(255,255,255,0.85);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo-wordmark .kinder { color: rgba(255,255,255,0.95); }
.footer-brand .logo-wordmark .kracht { color: var(--amber-soft); }
.footer-brand .logo-tagline { color: rgba(255,255,255,0.5); }
.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul li a {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--amber-soft); }
.footer-bottom {
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.875rem; color: rgba(255,255,255,0.45); max-width: none; }
.footer-bottom a { color: rgba(255,255,255,0.45); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* ─── PAGE HERO (internal pages) ─── */
.page-hero {
  background: linear-gradient(135deg, var(--petrol-deep) 0%, var(--petrol) 100%);
  color: var(--wit);
  padding: 4rem 0 3.5rem;
}
.page-hero h1 { margin-bottom: 0.75rem; }
.page-hero p { opacity: 0.85; font-size: 1.1rem; }

/* ─── BREADCRUMB ─── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: rgba(255,255,255,0.6); }
.breadcrumb a:hover { color: rgba(255,255,255,0.9); }
.breadcrumb-sep { opacity: 0.4; }

/* ─── QUOTE / PULLQUOTE ─── */
blockquote.pullquote {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-style: italic;
  color: var(--petrol);
  border-left: 4px solid var(--amber-soft);
  padding-left: 1.5rem;
  line-height: 1.5;
  margin: 2rem 0;
}

/* ─── STAT BLOCK ─── */
.stat-number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--petrol);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-size: 0.9375rem;
  color: var(--lichtgrijs);
  margin-top: 0.3rem;
}

/* ─── UTILITY ─── */
.text-petrol { color: var(--petrol); }
.text-amber { color: var(--amber); }
.text-muted { color: var(--lichtgrijs); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.inline-flex { display: inline-flex; }
.flex-wrap { flex-wrap: wrap; }
.bg-white { background: var(--wit); }
.bg-warmwit { background: var(--warmwit); }
.bg-petrol { background: var(--petrol); color: var(--wit); }
.rounded { border-radius: var(--radius-card); }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero { padding: 4rem 0 4rem; }
  .hero::after { height: 40px; }
  .section { padding: 3.5rem 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease forwards; }
.fade-up-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-3 { animation-delay: 0.3s; opacity: 0; }
.fade-up-4 { animation-delay: 0.4s; opacity: 0; }

/* Spinner */
.spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.spinner.visible { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }