/* =============================================
   BALA RIETDEKKERSBEDRIJF – styles.css v53
   ============================================= */

:root {
  --gold:       #F0B340;
  --navy:       #1A3558;
  --green:      #2E8B57;
  --green-dk:   #1E6B42;
  --red:        #E74C3C;
  --text:       #333;
  --bg-gray:    #EBEBEB;
  --white:      #FFFFFF;
  --border:     #D8D8D8;
  --font-serif: 'Playfair Display', serif;
  --font-sans:  'Open Sans', sans-serif;
  --shadow:     0 2px 14px rgba(0,0,0,0.10);
  --r:          8px;
  --tr:         .22s ease;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--text); background: var(--white); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font-sans); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.section { padding: 70px 0; }
.section-cta { text-align: center; margin-top: 40px; }

/* ---- TYPOGRAPHY ---- */
.serif-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  color: var(--navy);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  line-height: 1.22;
  margin-bottom: 40px;
}
.serif-title.center { text-align: center; }
.serif-title-italic {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 700;
  color: var(--navy);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.25;
  margin-bottom: 20px;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 28px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font-sans);
  transition: background var(--tr), transform var(--tr);
  white-space: nowrap;
  cursor: pointer;
  border: none;
}
.btn:active { transform: translateY(1px); }
.btn-green { background: var(--green); color: var(--white); }
.btn-green:hover { background: var(--green-dk); }
.btn-red { background: var(--red); color: var(--white); }
.btn-red:hover { background: #c0392b; }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: #0f2540; }
.btn-lg { padding: 15px 34px; font-size: 15px; }
.btn-full { width: 100%; }
.read-more { font-size: 11px; font-weight: 700; letter-spacing: .1em; color: var(--navy); text-transform: uppercase; margin-top: 14px; display: inline-block; }

/* Read-more expand */
.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--navy);
  cursor: pointer;
  padding: 0;
  transition: color var(--tr);
}
.read-more-btn:hover { color: var(--green); }
.rm-arrow {
  display: inline-block;
  font-size: 9px;
  transition: transform 0.35s ease;
}
.read-more-btn.open .rm-arrow { transform: rotate(180deg); }
.read-more-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.read-more-content.open { max-height: 600px; }
.read-more-content p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
  margin-top: 14px;
}
.dienst-list {
  list-style: none;
  margin: 12px 0 0 0;
  padding: 0;
}
.dienst-list li {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  padding-left: 18px;
  position: relative;
  margin-bottom: 4px;
}
.dienst-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  background: #000000;
  height: 130px;
  display: flex; align-items: center;
  padding: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.header .container { padding: 0; width: 100%; max-width: 100%; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; padding: 0; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; max-width: 45%; overflow: hidden; flex-shrink: 0; margin-top: 16px; }
.logo-img { height: 110px; width: auto; max-width: 130px; display: block; flex-shrink: 0; filter: brightness(0) saturate(100%) invert(65%) sepia(100%) saturate(1500%) hue-rotate(3deg) brightness(70%); }
.logo-text { color: #fff; font-family: var(--font-sans); line-height: 1.4; }
.logo-text strong { font-size: 20px; font-weight: 700; display: block; }
.logo-text em { font-size: 14px; font-weight: 400; font-style: normal; display: block; opacity: 0.9; }
.nav { display: flex; align-items: center; gap: 2px; position: absolute; left: 50%; transform: translateX(-50%); }
.nav-link { padding: 8px 12px; font-size: 13px; font-weight: 700; letter-spacing: .04em; color: rgba(255,255,255,0.85); border-radius: 4px; transition: background var(--tr), color var(--tr); }
.nav-link:hover { background: rgba(255,255,255,0.1); color: var(--white); }
.nav-cta { margin-left: 10px; font-size: 13px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: transform var(--tr), opacity var(--tr); }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu { position: fixed; top: 130px; left: 0; right: 0; background: #000000; padding: 16px 24px 24px; display: flex; flex-direction: column; gap: 4px; z-index: 999; transform: translateY(-10px); opacity: 0; pointer-events: none; transition: transform var(--tr), opacity var(--tr); }
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-link { padding: 12px 14px; font-size: 14px; font-weight: 600; letter-spacing: .04em; color: rgba(255,255,255,0.85); border-radius: 4px; }
.mobile-link:hover { background: rgba(255,255,255,0.1); }
.mobile-cta { margin-top: 10px; text-align: center; }
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 998; }
.mobile-overlay.open { display: block; }

/* ============================================
   HERO
   ============================================ */
.hero {
  background: #fff;
  min-height: 100vh;
  padding-top: 130px;
  display: grid;
  grid-template-columns: 50% 50%;
  overflow: hidden;
}
.hero-left {
  padding: 60px 40px 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.hero-right {
  position: relative;
  overflow: hidden;
}
.hero-img {
  position: absolute;
  bottom: 0;
  right: 0;
  height: 120vh;
  width: auto;
  display: block;
}
.hero-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #222;
  line-height: 1.18;
  margin-bottom: 14px;
}
.hero-subtitle-box {
  background: transparent;
  display: inline-block;
  padding: 6px 0;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 700;
  color: #222;
}
.hero-text {
  font-size: 15px;
  color: #333;
  line-height: 1.75;
  margin-bottom: 10px;
}
.hero-left .btn { margin-top: 20px; }

/* ============================================
   VOORDELEN
   ============================================ */
.voordelen-section { background: var(--bg-gray); }
.voordelen-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 0;
  align-items: stretch;
  min-height: 540px;
  box-shadow: var(--shadow);
}
.voordelen-card {
  background: var(--white);
  padding: 44px 48px 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.voordelen-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 36px;
  flex: 1;
}
.voordeel-item h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}
.voordeel-item p {
  font-size: 13.5px;
  color: var(--text);
  line-height: 1.6;
}
.voordelen-cta {
  margin-top: 32px;
}

/* Voordelen slider */
.voordelen-slider {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  background: #111;
}
.vslider-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: block;
}
.vslider-img.active { opacity: 1; }
.vslider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--tr);
}
.vslider-arrow:hover { background: rgba(0,0,0,0.75); }
.vslider-prev { left: 12px; }
.vslider-next { right: 12px; }
.vslider-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  z-index: 10;
}
.vdot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background var(--tr);
}
.vdot.active { background: #fff; }

/* ============================================
   DIENST SLIDER
   ============================================ */
.dienst-slider {
  position: relative;
  overflow: hidden;
  min-height: 340px;
  background: #111;
}
.dslider-img {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: block;
}
.dslider-img.active { opacity: 1; }
.dslider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.45);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--tr);
}
.dslider-arrow:hover { background: rgba(0,0,0,0.75); }
.dslider-prev { left: 12px; }
.dslider-next { right: 12px; }
.dslider-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
  z-index: 10;
}
.ddot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: background var(--tr);
}
.ddot.active { background: #fff; }

/* ============================================
   DIENSTEN
   ============================================ */
.diensten-section { background: var(--bg-gray); }
.dienst-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 24px;
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--r);
  overflow: hidden;
}
.dienst-block.reverse { direction: rtl; }
.dienst-block.reverse > * { direction: ltr; }
.dienst-img { overflow: hidden; }
.dienst-img img { width: 100%; height: 100%; min-height: 280px; object-fit: cover; display: block; transition: transform .5s ease; }
.dienst-block:hover .dienst-img img { transform: scale(1.04); }
.dienst-card {
  padding: 44px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.dienst-card h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 14px;
}
.dienst-card p {
  font-size: 14.5px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 8px;
}
.diensten-cards-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.dienst-card-v {
  background: var(--white);
  box-shadow: var(--shadow);
  border-radius: var(--r);
  overflow: hidden;
}
.dienst-card-img { overflow: hidden; height: 240px; }
.dienst-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s ease; }
.dienst-card-v:hover .dienst-card-img img { transform: scale(1.04); }
.dienst-card-v h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--navy);
  padding: 24px 28px 10px;
}
.dienst-card-v p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  padding: 0 28px 28px;
}

/* ============================================
   AANBOD
   ============================================ */
.aanbod-section { background: var(--navy); overflow: hidden; }
.aanbod-inner {
  display: grid;
  grid-template-columns: 55% 45%;
  min-height: 340px;
}
.aanbod-text {
  padding: 60px 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.aanbod-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 28px;
  line-height: 1.25;
}
.aanbod-list { display: flex; flex-direction: column; gap: 16px; }
.aanbod-list li { display: flex; align-items: flex-start; gap: 14px; font-size: 15px; color: rgba(255,255,255,0.9); line-height: 1.65; }
.aanbod-check { color: var(--gold); font-size: 17px; font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.aanbod-img { overflow: hidden; }
.aanbod-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ============================================
   WERKWIJZE
   ============================================ */
.werkwijze-section { background: var(--white); }
.stappen-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stap-card { background: var(--white); box-shadow: var(--shadow); border-radius: var(--r); padding: 36px 30px; }
.stap-num { font-size: 2.8rem; font-weight: 700; color: var(--gold); line-height: 1; margin-bottom: 14px; }
.stap-card h3 { font-family: var(--font-serif); font-style: italic; font-size: 1.1rem; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.stap-card p { font-size: 14px; color: var(--text); line-height: 1.7; }

/* ============================================
   BEOORDELINGEN
   ============================================ */
.beoordelingen-section {
  background: var(--bg-gray);
  background-image: repeating-linear-gradient(135deg, transparent, transparent 50px, rgba(180,180,170,0.12) 50px, rgba(180,180,170,0.12) 100px);
}
.reviews-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 48px; }
.review-card { padding: 10px 0; }
.quote-open { font-family: Georgia, serif; font-size: 4.5rem; color: var(--navy); opacity: 0.2; line-height: 0.6; margin-bottom: 14px; }
.quote-close { font-family: Georgia, serif; font-size: 4.5rem; color: var(--navy); opacity: 0.2; line-height: 0.6; text-align: right; margin-top: 10px; }
.review-card p { font-family: var(--font-serif); font-style: italic; font-size: 15px; color: var(--navy); line-height: 1.8; }

/* ============================================
   REFERENTIES
   ============================================ */
.referenties-section { background: var(--white); }
.ref-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 36px; }
.ref-item { overflow: hidden; aspect-ratio: 1; }
.ref-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.ref-item:hover img { transform: scale(1.06); }

/* ============================================
   OVER ONS
   ============================================ */
.over-ons-section { background: var(--gold); overflow: hidden; }
.over-ons-inner { display: grid; grid-template-columns: 55% 45%; min-height: 400px; }
.over-ons-text { padding: 60px 56px; display: flex; flex-direction: column; justify-content: center; }
.over-ons-text .serif-title-italic { color: var(--navy); font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 18px; }
.over-ons-text p { font-size: 15px; color: var(--navy); line-height: 1.75; margin-bottom: 10px; }
.over-ons-text .btn { margin-top: 18px; align-self: flex-start; }
.over-ons-img { overflow: hidden; }
.over-ons-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ============================================
   FAQ
   ============================================ */
.faq-section { background: var(--white); }
.faq-inner { display: grid; grid-template-columns: 400px 1fr; gap: 56px; align-items: flex-start; }
.faq-img { overflow: hidden; border-radius: var(--r); aspect-ratio: 1; }
.faq-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 6px; font-size: 15px; font-weight: 600; font-family: var(--font-serif); font-style: italic; color: var(--navy); text-align: left; cursor: pointer; transition: color var(--tr); }
.faq-question:hover { color: var(--gold); }
.faq-icon { font-size: 1.4rem; font-weight: 300; color: var(--navy); flex-shrink: 0; transition: transform var(--tr); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.4,0,.2,1); }
.faq-item.open .faq-answer { max-height: 500px; }
.faq-answer p { padding: 0 6px 18px; font-size: 14.5px; color: var(--text); line-height: 1.75; }

/* ============================================
   CONTACT
   ============================================ */
.contact-section { background: var(--bg-gray); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 60px; align-items: flex-start; }
.contact-title { font-family: var(--font-serif); font-style: italic; font-size: clamp(1.5rem, 2.8vw, 2.1rem); color: var(--navy); line-height: 1.28; margin-bottom: 20px; font-weight: 700; }
.contact-service { font-size: 15px; color: var(--navy); margin-bottom: 22px; }
.contact-detail-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 15px; color: var(--text); }
.contact-detail-row svg { color: var(--navy); flex-shrink: 0; }
.contact-detail-row a:hover { color: var(--green); }

/* GOLD FORM */
.contact-form { background: var(--gold); border-radius: var(--r); padding: 36px 30px; display: flex; flex-direction: column; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 13.5px; font-weight: 700; color: var(--navy); }
.req { color: #c0392b; }
.form-group input, .form-group textarea { padding: 11px 14px; border: none; border-radius: 4px; font-size: 14.5px; color: var(--text); background: var(--white); outline: none; font-family: var(--font-sans); resize: vertical; transition: box-shadow var(--tr); }
.form-group input:focus, .form-group textarea:focus { box-shadow: 0 0 0 3px rgba(26,53,88,0.2); }
.form-check { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--navy); line-height: 1.55; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; accent-color: var(--navy); cursor: pointer; }
.link { color: var(--navy); text-decoration: underline; }

/* ============================================
   FOOTER
   ============================================ */
.footer { position: relative; background: url('../images/texture.png') center/cover no-repeat; padding: 48px 0; }
.footer-overlay { position: absolute; inset: 0; background: rgba(5,15,10,0.82); }
.footer-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 40px; }
.footer-left { color: rgba(255,255,255,0.85); font-size: 14px; line-height: 2.2; }
.footer-left a { color: rgba(255,255,255,0.85); }
.footer-left a:hover { text-decoration: underline; }
.footer-company { color: rgba(255,255,255,0.65); font-size: 13px; line-height: 1.8; margin-top: 0; }
.footer-left .footer-company:first-of-type { margin-top: 10px; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 10px; }
.footer-center { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.footer-logo-link { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img-footer {
  height: 100px;
  width: auto;
  display: block;
  filter: brightness(0) saturate(100%) invert(65%) sepia(100%) saturate(1500%) hue-rotate(3deg) brightness(70%);
}
.footer-logo-text {
  color: #fff;
  font-family: var(--font-sans);
  line-height: 1.4;
}
.footer-logo-text strong { font-size: 22px; font-weight: 700; display: block; }
.footer-logo-text em { font-size: 14px; font-weight: 400; font-style: normal; display: block; opacity: 0.85; }
.footer-right { text-align: right; }
.footer-right a { color: rgba(255,255,255,0.8); font-size: 14px; text-decoration: underline; }
.footer-right a:hover { color: var(--white); }

/* ============================================
   LIGHTBOX
   ============================================ */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.88);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s ease;
}
.lightbox.open {
  opacity: 1;
  pointer-events: all;
}
.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.6);
  transform: scale(.94);
  transition: transform .28s ease;
  display: block;
}
.lightbox.open .lightbox-img {
  transform: scale(1);
}
.lightbox-close {
  position: fixed;
  top: 20px;
  right: 26px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  transition: background .2s;
  z-index: 9001;
}
.lightbox-close:hover { background: rgba(255,255,255,0.3); }
.ref-item { cursor: pointer; }

/* ============================================
   TOAST & BACK TO TOP
   ============================================ */
.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(20px); background: var(--navy); color: var(--white); padding: 13px 26px; border-radius: 6px; font-size: 14px; font-weight: 600; box-shadow: 0 4px 20px rgba(0,0,0,0.2); z-index: 9999; opacity: 0; pointer-events: none; transition: opacity var(--tr), transform var(--tr); max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: var(--green); }
.toast.error { background: #c0392b; }
.back-to-top { position: fixed; bottom: 28px; right: 28px; width: 42px; height: 42px; border-radius: 50%; background: var(--white); color: var(--navy); font-size: 1rem; font-weight: 700; display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 10px rgba(0,0,0,0.2); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity var(--tr), transform var(--tr); z-index: 900; border: none; cursor: pointer; }
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover { background: var(--gold); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .ref-grid { grid-template-columns: repeat(3, 1fr); }
  .voordelen-layout { grid-template-columns: 1fr 360px; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-bottom: 60px; }
  .hero-right { display: none; }
  .hero-left { padding: 60px 28px; }
  .voordelen-layout { grid-template-columns: 1fr; }
  .voordelen-slider { min-height: 320px; }
  .voordelen-card { padding: 32px 24px; }
  .dienst-block { grid-template-columns: 1fr; }
  .dienst-block.reverse { direction: ltr; }
  .dienst-img img { min-height: 220px; }
  .diensten-cards-row { grid-template-columns: 1fr; }
  .aanbod-inner { grid-template-columns: 1fr; }
  .aanbod-img { height: 260px; }
  .aanbod-text { padding: 44px 28px; }
  .stappen-grid { grid-template-columns: 1fr 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .over-ons-inner { grid-template-columns: 1fr; }
  .over-ons-img { height: 300px; }
  .over-ons-text { padding: 44px 28px; }
  .faq-inner { grid-template-columns: 1fr; }
  .faq-img { max-width: 380px; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-right { text-align: center; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .stappen-grid { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: repeat(3, 1fr); }
  .voordelen-grid { grid-template-columns: 1fr; }
  .dienst-card { padding: 30px 24px; }
}
@media (max-width: 480px) {
  .ref-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-left { width: 100%; padding: 44px 20px; }
}