/* ============ Variabelen ============ */
:root {
  --blue: #00aeef;
  --blue-dark: #0090c7;
  --dark: #14171a;
  --gray: #6b7280;
  --light: #f5f7f9;
  --white: #ffffff;
  --border: #e6e9ec;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(20,23,26,0.08);
  --transition: 0.25s ease;
  --font-heading: 'Poppins', 'Segoe UI', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--dark);
  background: var(--white);
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

h1, h2, h3 { line-height: 1.2; font-weight: 700; font-family: var(--font-heading); }
h2 { font-size: clamp(1.8rem, 4vw, 2.4rem); text-align: center; }

.kicker {
  text-align: center;
  color: var(--blue-dark);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-size: 0.82rem;
  margin-bottom: 10px;
}

.section-intro {
  text-align: center;
  color: var(--gray);
  max-width: 560px;
  margin: 10px auto 40px;
}

/* ============ Scroll reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed { opacity: 1; transform: translateY(0); }

section { padding: 90px 24px; max-width: 1200px; margin: 0 auto; }

/* ============ Header ============ */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--blue);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  font-size: 1.05rem;
  font-family: var(--font-heading);
}

.logo img { height: 40px; width: 40px; border-radius: 50%; object-fit: cover; }

#main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

#main-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark);
  transition: color var(--transition);
}

#main-nav a:hover { color: var(--blue-dark); }

.nav-cta {
  background: var(--blue);
  color: var(--white) !important;
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 700 !important;
}

.nav-cta:hover { background: var(--blue-dark); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.hamburger span {
  width: 26px;
  height: 2px;
  background: var(--dark);
  transition: var(--transition);
}

/* ============ Hero ============ */
#hero {
  position: relative;
  text-align: center;
  padding-top: 110px;
  padding-bottom: 90px;
  max-width: 720px;
}

#hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 100%;
  transform: translateX(-50%);
  z-index: -1;
  background:
    radial-gradient(circle at 25% 20%, rgba(0,174,239,0.18), transparent 55%),
    radial-gradient(circle at 80% 75%, rgba(0,174,239,0.12), transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(20,23,26,0.06), transparent 60%);
}

.slogan {
  color: var(--blue-dark);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
  margin-bottom: 14px;
}

#hero h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); margin-bottom: 20px; }

.hero-text {
  color: var(--gray);
  font-size: 1.1rem;
  margin: 0 auto 32px;
  max-width: 480px;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 30px;
  font-weight: 700;
  transition: transform var(--transition), background var(--transition);
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 8px 20px rgba(0,174,239,0.35);
}
.btn-primary:hover { background: var(--blue-dark); box-shadow: 0 10px 24px rgba(0,174,239,0.45); }

.btn-outline { background: var(--white); color: var(--dark); border: 2px solid var(--border); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue-dark); }

/* ============ Diensten ============ */
#diensten { background: linear-gradient(180deg, #eef6fb 0%, var(--light) 100%); max-width: none; }
#diensten > * { max-width: 1200px; margin-left: auto; margin-right: auto; }

.diensten-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.dienst-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.dienst-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(0,174,239,0.18);
}

.dienst-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.dienst-card:hover img { transform: scale(1.06); }

.dienst-card h3 { font-size: 1.05rem; margin: 18px 20px 8px; }
.dienst-card p { color: var(--gray); font-size: 0.92rem; margin: 0 20px 20px; }

/* ============ Voor & Na ============ */
.ba-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.ba-container {
  position: relative;
  aspect-ratio: 9 / 16;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  user-select: none;
}

.ba-container img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ba-before { clip-path: inset(0 50% 0 0); }

.ba-handle {
  position: absolute;
  top: 0; bottom: 0; left: 50%;
  width: 3px;
  background: var(--white);
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 0 10px rgba(0,0,0,0.25);
}

.ba-handle::after {
  content: "\2194";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 34px; height: 34px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem;
}

.ba-range {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  margin: 0;
}

.ba-tag {
  text-align: center;
  margin-top: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--gray);
  font-size: 0.85rem;
  text-transform: uppercase;
}

/* ============ Portfolio ============ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-auto-rows: 210px;
  gap: 12px;
}

.portfolio-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  transition: transform var(--transition), opacity var(--transition);
}

.portfolio-grid img:hover { transform: scale(1.03); opacity: 0.9; }

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10,10,10,0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 40px;
}

.lightbox.active { display: flex; }

.lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 8px; }

.lightbox-close {
  position: absolute;
  top: 24px; right: 32px;
  background: none;
  border: none;
  color: var(--white);
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
}

/* ============ Over ons ============ */
#over-ons { background: linear-gradient(180deg, #eef6fb 0%, var(--light) 100%); max-width: none; }
.over-ons-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  text-align: left;
}
.over-ons-text h2 { text-align: left; }
.over-ons-text p { color: var(--gray); margin-bottom: 16px; }
.over-ons-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

@media (max-width: 800px) {
  .over-ons-inner { grid-template-columns: 1fr; text-align: center; }
  .over-ons-text h2 { text-align: center; }
}

/* ============ Reviews ============ */
.reviews-placeholder {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  background: var(--light);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.reviews-placeholder p { color: var(--gray); margin-bottom: 18px; }

.reviews-cta[aria-disabled="true"] {
  opacity: 0.6;
  pointer-events: none;
}

/* ============ CTA band ============ */
.cta-band {
  position: relative;
  max-width: none;
  background: var(--dark);
  text-align: center;
  padding: 90px 24px;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(0,174,239,0.25), transparent 55%),
    radial-gradient(circle at 85% 70%, rgba(0,174,239,0.18), transparent 50%);
}

.cta-band > * { position: relative; z-index: 1; }

.kicker-light { color: var(--blue); }

.cta-band h2 { color: var(--white); margin-bottom: 14px; }

.cta-band-text {
  color: #c3c8cd;
  max-width: 480px;
  margin: 0 auto 30px;
}

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.contact-item { margin-bottom: 20px; }

.contact-item strong {
  display: block;
  color: var(--blue-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.contact-note { font-size: 0.8rem; color: var(--gray); margin-top: 20px; }

.contact-map {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  min-height: 320px;
}

/* ============ WhatsApp float ============ */
.whatsapp-float {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: #25d366;
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  z-index: 900;
  transition: transform var(--transition);
}

.whatsapp-float:hover { transform: scale(1.08); }

/* ============ Promo banner ============ */
.promo-banner {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 850;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 12px;
  padding: 14px 16px;
  max-width: 320px;
  transform: translateY(140%);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.promo-banner.visible { transform: translateY(0); opacity: 1; }

.promo-banner p { font-size: 0.92rem; font-weight: 600; }

.promo-banner-actions { display: flex; align-items: center; gap: 10px; }

.btn-small { padding: 8px 16px; font-size: 0.85rem; }

.promo-banner-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gray);
  cursor: pointer;
  padding: 4px;
}

.promo-banner-close:hover { color: var(--dark); }

@media (max-width: 700px) {
  .promo-banner { left: 16px; right: 16px; max-width: none; bottom: 16px; }
}

/* ============ Footer ============ */
footer {
  background: var(--dark);
  border-top: 3px solid var(--blue);
  padding: 40px 24px 28px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--white); }
.footer-logo img { height: 30px; width: 30px; border-radius: 50%; object-fit: cover; }
.footer-inner p { font-size: 0.85rem; color: #a7adb4; }

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a7adb4;
  transition: color var(--transition);
}

.social-icon:hover { color: var(--blue); }

.footer-credit {
  text-align: center;
  font-size: 0.78rem;
  color: #a7adb4;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-credit a { color: var(--blue); font-weight: 600; }
.footer-credit a:hover { color: var(--white); }

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .diensten-grid { grid-template-columns: repeat(2, 1fr); }
  .ba-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .hamburger { display: flex; }

  #main-nav {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px;
    gap: 18px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
  }

  #main-nav.open { transform: translateY(0); opacity: 1; }

  .diensten-grid { grid-template-columns: 1fr; }
  .ba-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  section { padding: 60px 20px; }
}