/* ============================================================
   Sinatech V.O.F. — Hoofdstylesheet
   Palet: Indigo #2E2F8C | Licht #5B5EA6 | Grijs #ABABAB | IJsblauw #E8F4FD
   ============================================================ */

:root {
  --indigo:      #2E2F8C;
  --indigo-light:#5B5EA6;
  --indigo-dark: #1A1A2E;
  --silver:      #ABABAB;
  --silver-light:#D8D8D8;
  --ice:         #E8F4FD;
  --ice-dark:    #C8E4F5;
  --white:       #FFFFFF;
  --text:        #1E1E2E;
  --text-muted:  #555577;
  --radius:      8px;
  --shadow:      0 4px 24px rgba(46,47,140,0.10);
  --shadow-lg:   0 8px 48px rgba(46,47,140,0.18);
  --transition:  0.35s cubic-bezier(.4,0,.2,1);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ---- Typography ---- */
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 700; line-height: 1.2; }
h3 { font-size: 1.25rem; font-weight: 600; }
p  { font-size: 1rem; }

/* ---- Layout helpers ---- */
.container { max-width: 1180px; margin: 0 auto; padding: 0 1.5rem; }
.section    { padding: 90px 0; }
.section-sm { padding: 60px 0; }
.text-center { text-align: center; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem; border-radius: 50px; font-size: 1rem; font-weight: 600;
  border: 2px solid transparent; transition: var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--indigo); color: var(--white); border-color: var(--indigo);
}
.btn-primary:hover {
  background: var(--indigo-light); border-color: var(--indigo-light);
  transform: translateY(-2px); box-shadow: var(--shadow-lg);
}
.btn-outline {
  background: transparent; color: var(--white); border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white); color: var(--indigo);
  transform: translateY(-2px);
}
.btn-outline-indigo {
  background: transparent; color: var(--indigo); border-color: var(--indigo);
}
.btn-outline-indigo:hover {
  background: var(--indigo); color: var(--white); transform: translateY(-2px);
}

/* ---- Section headings ---- */
.section-label {
  display: inline-block; font-size: .8rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--indigo); background: var(--ice);
  padding: .35rem .9rem; border-radius: 50px; margin-bottom: 1rem;
}
.section-title { color: var(--indigo-dark); margin-bottom: 1rem; }
.section-subtitle { color: var(--text-muted); max-width: 600px; margin: 0 auto 3rem; font-size: 1.05rem; }

/* =============================================
   NAVIGATIE
   ============================================= */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: #ffffff;
  border-bottom: 1px solid rgba(46,47,140,0.08);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px;
}
.nav-logo {
  display: flex; align-items: center; gap: .75rem;
}
.nav-logo img { height: 64px; width: auto; }
.nav-logo span {
  font-size: 1.1rem; font-weight: 800; color: var(--indigo); letter-spacing: -.01em;
}
.nav-menu {
  display: flex; align-items: center; gap: 2rem;
}
.nav-menu a {
  font-size: .95rem; font-weight: 500; color: var(--text);
  position: relative; padding-bottom: 2px; transition: color var(--transition);
}
.nav-menu a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--indigo); border-radius: 2px;
  transform: scaleX(0); transition: transform var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--indigo); }
.nav-menu a:hover::after, .nav-menu a.active::after { transform: scaleX(1); }
.nav-cta { margin-left: 1.25rem; }
.nav-cta .btn-primary {
  box-shadow: 0 2px 16px rgba(46,47,140,0.35);
  font-weight: 700; letter-spacing: .01em;
}
.nav-cta .btn-primary:hover {
  box-shadow: 0 4px 24px rgba(46,47,140,0.5);
  transform: translateY(-2px);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: .5rem; z-index: 1100;
}
.hamburger span {
  display: block; width: 26px; height: 2px;
  background: var(--indigo); border-radius: 2px; transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* =============================================
   HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(140deg, var(--indigo-dark) 0%, #232480 45%, var(--indigo-light) 100%);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 72px;
}
/* Subtle radial glow in hero */
.hero::before {
  content: '';
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 60% at 75% 50%, rgba(91,94,166,0.35) 0%, transparent 70%);
}
.hero-particles {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.hero-particles span {
  position: absolute; border-radius: 50%;
  background: rgba(255,255,255,0.05);
  animation: float 8s ease-in-out infinite;
}
.hero-particles span:nth-child(1) { width:100px; height:100px; top:12%; left:8%;  animation-delay:0s; }
.hero-particles span:nth-child(2) { width:150px; height:150px; top:65%; left:3%;  animation-delay:1.5s; }
.hero-particles span:nth-child(3) { width:60px;  height:60px;  top:25%; left:85%; animation-delay:3s; }
.hero-particles span:nth-child(4) { width:220px; height:220px; top:72%; left:72%; animation-delay:2s; }
.hero-particles span:nth-child(5) { width:40px;  height:40px;  top:8%;  left:52%; animation-delay:4s; }
.hero-particles span:nth-child(6) { width:80px;  height:80px;  top:45%; left:92%; animation-delay:2.5s; }
.hero-particles span:nth-child(7) { width:30px;  height:30px;  top:80%; left:45%; animation-delay:1s; }
@keyframes float {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-30px) scale(1.05); }
}

/* Hero 2-column grid */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 5rem 0 7rem;
  position: relative; z-index: 1;
}
.hero-content { color: var(--white); }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50px; padding: .45rem 1.1rem; font-size: .82rem; font-weight: 700;
  margin-bottom: 1.75rem; color: var(--ice);
  letter-spacing: .04em;
}
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height: 1.1; font-weight: 900;
  margin-bottom: 1.4rem;
  text-shadow: 0 2px 30px rgba(0,0,0,0.25);
  letter-spacing: -.02em;
}
.hero h1 em { font-style: normal; color: #A5B4FC; }
.hero p { font-size: 1.05rem; margin-bottom: 2.25rem; opacity: .82; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 2.5rem; }

/* Hero CTA buttons */
.btn-hero-cta {
  display: inline-flex; align-items: center; gap: .6rem;
  background: white; color: var(--indigo);
  border: none; border-radius: 50px;
  padding: 1rem 2rem; font-size: 1rem; font-weight: 800;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0,0,0,0.25), 0 0 0 0 rgba(255,255,255,0);
  white-space: nowrap;
}
.btn-hero-cta:hover {
  background: var(--ice);
  transform: translateY(-3px);
  box-shadow: 0 8px 36px rgba(0,0,0,0.3), 0 0 0 4px rgba(255,255,255,0.15);
}
.btn-hero-phone {
  display: inline-flex; align-items: center; gap: .6rem;
  background: rgba(255,255,255,0.1); color: white;
  border: 1.5px solid rgba(255,255,255,0.3); border-radius: 50px;
  padding: 1rem 1.75rem; font-size: 1rem; font-weight: 600;
  transition: var(--transition); white-space: nowrap;
}
.btn-hero-phone:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.55);
  transform: translateY(-2px);
}

/* Hero trust row */
.hero-trust-row {
  display: flex; flex-wrap: wrap; gap: 1.5rem;
}
.hero-trust-item {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: .82rem; font-weight: 600; opacity: .72; color: white;
}
.hero-trust-item svg { color: #4ADE80; flex-shrink: 0; }

/* Hero right: illustration */
.hero-visual {
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.hero-illustration {
  width: 100%; max-width: 520px;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.35));
  animation: heroFloat 6s ease-in-out infinite;
}
@keyframes heroFloat {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
/* Airflow animation inside SVG */
.hero-illustration .airflow path {
  animation: airDash 3s linear infinite;
}
.hero-illustration .airflow path:nth-child(2) { animation-delay: -.75s; }
.hero-illustration .airflow path:nth-child(3) { animation-delay: -1.5s; }
.hero-illustration .airflow path:nth-child(4) { animation-delay: -2.25s; }
@keyframes airDash {
  to { stroke-dashoffset: -24; }
}

/* Hero stat card (floating) */
.hero-stat-card {
  position: absolute; bottom: 2rem; left: -1rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px; padding: 1.1rem 1.5rem;
  backdrop-filter: blur(12px);
  animation: heroFloat 6s ease-in-out infinite;
  animation-delay: -3s;
}
.hero-stat-card-inner { display: flex; align-items: center; gap: 1.25rem; }
.hsc-row { display: flex; flex-direction: column; color: white; }
.hsc-num { font-size: 1.75rem; font-weight: 900; line-height: 1; }
.hsc-lbl { font-size: .7rem; opacity: .65; font-weight: 500; }
.hsc-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }

/* Wave */
.hero-wave {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px; overflow: hidden;
}
.hero-wave svg { display: block; width: 100%; height: 100%; }

/* Backwards-compat — remove old hero-card */
.hero-card { display: none !important; }
.hero-stat-num { font-size: 1.5rem; font-weight: 800; display: block; }
.hero-stat-lbl { font-size: .75rem; opacity: .7; }

/* =============================================
   USPs / KENMERKEN BALK
   ============================================= */
.usps-bar {
  background: var(--indigo-dark);
  padding: 1.5rem 0;
}
.usps-bar-inner {
  display: flex; align-items: center; justify-content: space-around;
  flex-wrap: wrap; gap: 1.5rem;
}
.usp-item {
  display: flex; align-items: center; gap: .75rem; color: var(--white);
}
.usp-item svg { color: var(--ice-dark); flex-shrink: 0; }
.usp-item span { font-size: .9rem; font-weight: 500; }

/* =============================================
   DIENSTEN CARDS
   ============================================= */
.diensten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}
.dienst-card {
  background: var(--white); border-radius: 16px;
  border: 1px solid var(--silver-light);
  padding: 2.25rem 2rem; transition: var(--transition);
  position: relative; overflow: hidden;
}
.dienst-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--indigo), var(--indigo-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition);
}
.dienst-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.dienst-card:hover::before { transform: scaleX(1); }
.dienst-icon {
  width: 64px; height: 64px; border-radius: 14px;
  background: var(--ice); display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  transition: var(--transition);
}
.dienst-card:hover .dienst-icon { background: var(--indigo); }
.dienst-icon svg { transition: var(--transition); color: var(--indigo); }
.dienst-card:hover .dienst-icon svg { color: var(--white); }
.dienst-card h3 { color: var(--indigo-dark); margin-bottom: .65rem; }
.dienst-card p { color: var(--text-muted); font-size: .95rem; }
.dienst-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--indigo); font-weight: 600; font-size: .9rem; margin-top: 1.25rem;
  transition: gap var(--transition);
}
.dienst-card:hover .dienst-link { gap: .75rem; }

/* =============================================
   WAAROM SINATECH (ABOUT)
   ============================================= */
.about-section { background: var(--ice); }
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 5rem; align-items: center;
}
.about-visual {
  position: relative;
}
.about-img-wrap {
  border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-light) 100%);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
}
.about-img-placeholder {
  text-align: center; color: rgba(255,255,255,0.7); padding: 2rem;
}
.about-img-placeholder svg { margin: 0 auto 1rem; display: block; }
.about-badge-float {
  position: absolute; bottom: -1.5rem; right: -1.5rem;
  background: var(--white); border-radius: 14px; padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 1rem;
}
.about-badge-num { font-size: 2rem; font-weight: 900; color: var(--indigo); line-height: 1; }
.about-badge-lbl { font-size: .8rem; color: var(--text-muted); }
.about-text .section-label { margin-bottom: .75rem; }
.about-text h2 { margin-bottom: 1rem; }
.about-text > p { color: var(--text-muted); margin-bottom: 2rem; }
.about-checks { display: flex; flex-direction: column; gap: .75rem; margin-bottom: 2rem; }
.about-check {
  display: flex; align-items: flex-start; gap: .75rem;
}
.check-icon {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; margin-top: .1rem;
  background: var(--indigo); display: flex; align-items: center; justify-content: center;
}
.check-icon svg { color: white; }
.about-check p { font-size: .95rem; color: var(--text-muted); }
.about-check strong { color: var(--text); }

/* =============================================
   PROJECTEN PREVIEW (homepage)
   ============================================= */
.projecten-preview { background: var(--white); }
.projecten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
}
.project-card {
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition);
  background: var(--indigo-dark);
  position: relative;
}
.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-img {
  aspect-ratio: 16/9; overflow: hidden;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-light) 100%);
  position: relative;
}
.project-img img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.project-card:hover .project-img img { transform: scale(1.07); }
.project-img-placeholder {
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  color: rgba(255,255,255,0.5); gap: .5rem; font-size: .85rem;
}
.project-body { padding: 1.5rem; color: var(--white); }
.project-tag {
  display: inline-block; font-size: .75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .1em; color: var(--ice-dark); margin-bottom: .5rem;
}
.project-body h3 { font-size: 1.1rem; margin-bottom: .5rem; }
.project-body p { font-size: .88rem; opacity: .7; }

/* =============================================
   CTA BANNER
   ============================================= */
.cta-section {
  background: linear-gradient(135deg, var(--indigo-dark) 0%, var(--indigo) 100%);
  padding: 90px 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { color: var(--white); margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 560px; margin: 0 auto 2.5rem; }
.cta-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 1rem; }

/* =============================================
   CONTACTFORMULIER
   ============================================= */
.contact-section { background: var(--ice); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 5rem; align-items: start;
}
.contact-info h2 { color: var(--indigo-dark); margin-bottom: 1rem; }
.contact-info p { color: var(--text-muted); margin-bottom: 2rem; }
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
  display: flex; align-items: flex-start; gap: 1rem;
}
.contact-item-icon {
  width: 48px; height: 48px; border-radius: 12px; flex-shrink: 0;
  background: var(--indigo); display: flex; align-items: center; justify-content: center;
}
.contact-item-icon svg { color: white; }
.contact-item-text strong { display: block; font-size: .8rem; text-transform: uppercase;
  letter-spacing: .1em; color: var(--silver); margin-bottom: .25rem; }
.contact-item-text a, .contact-item-text span { color: var(--text); font-weight: 500; }
.contact-item-text a:hover { color: var(--indigo); }

/* Form */
.contact-form-wrap {
  background: var(--white); border-radius: 20px;
  padding: 2.5rem; box-shadow: var(--shadow-lg);
}
.contact-form-wrap h3 { color: var(--indigo-dark); margin-bottom: .5rem; }
.contact-form-wrap > p { color: var(--text-muted); font-size: .9rem; margin-bottom: 2rem; }
.type-fields { animation: stepFadeIn .3s ease; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1.25rem; }
.form-group label { font-size: .85rem; font-weight: 600; color: var(--text); }
.form-group .required { color: var(--indigo); margin-left: .2rem; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: .8rem 1rem; border: 1.5px solid var(--silver-light);
  border-radius: var(--radius); font-size: .95rem; font-family: inherit;
  color: var(--text); background: var(--white); transition: var(--transition);
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(46,47,140,0.10);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group.honeypot { position: absolute; left: -9999px; }
.form-notice { font-size: .8rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.form-notice a { color: var(--indigo); font-weight: 500; }
.form-submit { width: 100%; padding: 1rem; font-size: 1rem; }
.form-feedback { display: none; padding: 1rem; border-radius: var(--radius);
  margin-top: 1rem; font-weight: 500; font-size: .95rem; }
.form-feedback.success { background: #D1FAE5; color: #065F46; display: block; }
.form-feedback.error   { background: #FEE2E2; color: #991B1B; display: block; }

/* =============================================
   PROJECTEN PAGINA
   ============================================= */
.page-hero {
  background: linear-gradient(135deg, var(--indigo-dark) 0%, var(--indigo) 100%);
  padding: 140px 0 80px; text-align: center; color: var(--white);
}
.page-hero h1 { margin-bottom: .75rem; }
.page-hero p { opacity: .8; font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

.projecten-filter {
  display: flex; flex-wrap: wrap; justify-content: center; gap: .75rem;
  margin-bottom: 3rem;
}
.filter-btn {
  padding: .5rem 1.5rem; border-radius: 50px; font-size: .9rem; font-weight: 600;
  border: 2px solid var(--silver-light); background: transparent; color: var(--text-muted);
  transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--indigo); border-color: var(--indigo); color: var(--white);
}
.projecten-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.project-card-full {
  border-radius: 16px; overflow: hidden;
  box-shadow: var(--shadow); transition: var(--transition);
  background: var(--white);
}
.project-card-full:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.project-card-full .project-img { aspect-ratio: 4/3; }
.project-card-full .project-body { padding: 1.5rem; color: var(--text); }
.project-card-full .project-body h3 { color: var(--indigo-dark); }
.project-card-full .project-body p { color: var(--text-muted); }
.project-meta {
  display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem;
}
.project-meta-tag {
  font-size: .75rem; font-weight: 600; padding: .25rem .75rem;
  border-radius: 50px; background: var(--ice); color: var(--indigo);
}

/* =============================================
   DIENSTEN PAGINA
   ============================================= */
.diensten-list { display: flex; flex-direction: column; gap: 5rem; }
.dienst-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.dienst-row.reverse { direction: rtl; }
.dienst-row.reverse > * { direction: ltr; }
.dienst-visual {
  border-radius: 20px; overflow: hidden;
  background: linear-gradient(135deg, var(--indigo) 0%, var(--indigo-light) 100%);
  aspect-ratio: 4/3;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg);
}
.dienst-visual-inner { text-align: center; color: rgba(255,255,255,0.7); }
.dienst-visual-inner svg { margin: 0 auto 1rem; display: block; }
.dienst-text h2 { color: var(--indigo-dark); margin-bottom: 1rem; }
.dienst-text p { color: var(--text-muted); margin-bottom: 1.25rem; }
.dienst-bullets { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 2rem; }
.dienst-bullet {
  display: flex; align-items: center; gap: .75rem; font-size: .95rem; color: var(--text-muted);
}
.dienst-bullet svg { color: var(--indigo); flex-shrink: 0; }

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--indigo-dark);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 4rem;
  padding-bottom: 4rem; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-badge {
  display: inline-block;
  background: #ffffff;
  border-radius: 12px;
  padding: 8px 16px;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.footer-brand .logo-badge img {
  height: 52px; width: auto; display: block;
}
.footer-brand p { font-size: .9rem; line-height: 1.7; max-width: 300px; }
.footer-col h4 { color: var(--white); font-size: .85rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: 1.25rem; }
.footer-col ul { display: flex; flex-direction: column; gap: .65rem; }
.footer-col ul a { font-size: .9rem; transition: color var(--transition); }
.footer-col ul a:hover { color: var(--white); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.5rem 0; flex-wrap: wrap; gap: 1rem;
}
.footer-bottom p { font-size: .85rem; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--white); }

/* =============================================
   SCROLL REVEAL
   ============================================= */
.reveal {
  opacity: 0; transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-left  { opacity: 0; transform: translateX(-40px); transition: opacity .7s ease, transform .7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px);  transition: opacity .7s ease, transform .7s ease; }
.reveal-left.revealed, .reveal-right.revealed { opacity: 1; transform: translateX(0); }
.delay-1 { transition-delay: .1s; }
.delay-2 { transition-delay: .2s; }
.delay-3 { transition-delay: .3s; }
.delay-4 { transition-delay: .4s; }

/* =============================================
   BACK TO TOP
   ============================================= */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 500;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--indigo); color: white; border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-lg); transition: var(--transition);
  opacity: 0; pointer-events: none; transform: translateY(10px);
}
.back-to-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-to-top:hover { background: var(--indigo-light); transform: translateY(-3px); }

/* =============================================
   COOKIE BANNER
   ============================================= */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 2000;
  background: var(--indigo-dark); color: var(--white);
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  border-top: 3px solid var(--indigo);
  transform: translateY(100%); transition: transform .4s ease;
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner p { font-size: .88rem; max-width: 700px; }
.cookie-banner a { color: var(--ice-dark); text-decoration: underline; }
.cookie-actions { display: flex; gap: .75rem; flex-shrink: 0; }
.cookie-accept, .cookie-decline {
  padding: .5rem 1.25rem; border-radius: 50px; font-size: .88rem;
  font-weight: 600; border: 2px solid transparent; transition: var(--transition);
}
.cookie-accept { background: var(--indigo); border-color: var(--indigo); color: white; }
.cookie-accept:hover { background: var(--indigo-light); border-color: var(--indigo-light); }
.cookie-decline { background: transparent; border-color: rgba(255,255,255,0.3); color: white; }
.cookie-decline:hover { border-color: white; }

/* =============================================
   MERKEN STRIP
   ============================================= */
.merken-strip {
  background: var(--white);
  padding: 2.5rem 0;
  overflow: hidden;
  border-top: 1px solid var(--silver-light);
  border-bottom: 1px solid var(--silver-light);
}
.merken-strip-label {
  text-align: center;
  font-size: .75rem; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--silver);
  margin-bottom: 1.75rem;
}
.merken-scroll-outer {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0%, black 10%, black 90%, transparent 100%);
}
.merken-track {
  display: flex; align-items: center; gap: 3.5rem;
  width: max-content;
  animation: scrollBrands 28s linear infinite;
}
.merken-track:hover { animation-play-state: paused; }
.merk-logo {
  height: 44px; width: auto; display: block;
  opacity: .65; filter: grayscale(30%);
  transition: opacity var(--transition), filter var(--transition), transform var(--transition);
  flex-shrink: 0;
  border-radius: 6px;
}
.merk-logo:hover {
  opacity: 1; filter: grayscale(0%);
  transform: scale(1.06);
}
@keyframes scrollBrands {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* =============================================
   HOE HET WERKT — PROCESS STEPS
   ============================================= */
.process-section {
  background: var(--white);
  padding: 90px 0;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-top: 3.5rem;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 2.75rem; left: calc(16.66% + 1rem); right: calc(16.66% + 1rem);
  height: 2px;
  background: linear-gradient(90deg, var(--indigo), var(--indigo-light));
  z-index: 0;
  border-radius: 2px;
}
.process-step {
  text-align: center; position: relative; z-index: 1;
}
.process-num {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--indigo), var(--indigo-light));
  color: var(--white); font-size: 1.3rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  box-shadow: 0 4px 20px rgba(46,47,140,0.25);
  position: relative; z-index: 2;
}
.process-step h3 { color: var(--indigo-dark); font-size: 1.15rem; margin-bottom: .6rem; }
.process-step p { color: var(--text-muted); font-size: .92rem; }

/* =============================================
   STATS STRIP
   ============================================= */
.stats-strip {
  background: linear-gradient(135deg, var(--indigo-dark) 0%, var(--indigo) 100%);
  padding: 60px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-item { color: var(--white); }
.stat-num {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; display: block; line-height: 1;
  margin-bottom: .4rem;
}
.stat-lbl { font-size: .88rem; opacity: .7; font-weight: 500; }
.stat-divider {
  width: 1px; background: rgba(255,255,255,0.15); align-self: stretch; margin: 0;
}

/* =============================================
   CERTIFICATEN STRIP
   ============================================= */
.cert-strip {
  background: var(--white);
  padding: 56px 0;
  border-top: 1px solid var(--silver-light);
  border-bottom: 1px solid var(--silver-light);
}
.cert-strip-label {
  text-align: center;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--silver);
  margin-bottom: 2.2rem;
}
.cert-grid {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 3.5rem;
  flex-wrap: wrap;
}
.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .75rem;
}
.cert-item img {
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  transition: var(--transition);
}
.cert-item img:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.18); }
.cert-item span {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
}
@media (max-width: 600px) {
  .cert-grid { gap: 2rem; }
  .cert-item img { width: 90px; height: auto; }
}

/* =============================================
   TESTIMONIALS
   ============================================= */
.testimonials-section {
  background: var(--ice);
  padding: 90px 0;
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}
.testimonial-card {
  background: var(--white); border-radius: 16px;
  padding: 2rem; box-shadow: var(--shadow);
  border-left: 4px solid var(--indigo);
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-stars {
  display: flex; gap: .2rem; margin-bottom: 1rem;
}
.testimonial-stars svg { color: #F59E0B; }
.testimonial-text {
  font-size: .95rem; color: var(--text-muted); font-style: italic;
  line-height: 1.7; margin-bottom: 1.25rem;
}
.testimonial-author strong { display: block; font-size: .9rem; color: var(--text); }
.testimonial-author span { font-size: .8rem; color: var(--silver); }

/* =============================================
   MULTI-STEP CONTACT FORM
   ============================================= */
.form-progress {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 2.5rem;
}
.fp-step {
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  position: relative; min-width: 90px;
}
.fp-dot {
  width: 36px; height: 36px; border-radius: 50%;
  border: 2.5px solid var(--silver-light);
  background: var(--white); color: var(--silver);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
  transition: var(--transition);
  position: relative; z-index: 1;
}
.fp-step.active .fp-dot   { border-color: var(--indigo); background: var(--indigo); color: white; }
.fp-step.done .fp-dot     { border-color: var(--indigo); background: var(--indigo); color: white; }
.fp-label { font-size: .72rem; font-weight: 600; color: var(--silver); text-align: center; }
.fp-step.active .fp-label { color: var(--indigo); }
.fp-connector {
  flex: 1; height: 2px; background: var(--silver-light);
  margin-top: -1.6rem; min-width: 30px;
  transition: background var(--transition);
}
.fp-connector.done { background: var(--indigo); }

.form-step-panel { display: none; }
.form-step-panel.active { display: block; animation: stepFadeIn .3s ease; }
@keyframes stepFadeIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.request-types {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem; margin-bottom: 1.5rem;
}
.req-type-btn {
  border: 2px solid var(--silver-light); border-radius: 12px;
  padding: 1.1rem .75rem; background: var(--white);
  display: flex; flex-direction: column; align-items: center; gap: .6rem;
  cursor: pointer; transition: var(--transition); text-align: center;
}
.req-type-btn svg { color: var(--silver); transition: var(--transition); }
.req-type-btn span { font-size: .82rem; font-weight: 600; color: var(--text-muted); transition: var(--transition); }
.req-type-btn:hover { border-color: var(--indigo-light); background: var(--ice); }
.req-type-btn:hover svg { color: var(--indigo); }
.req-type-btn:hover span { color: var(--indigo); }
.req-type-btn.selected {
  border-color: var(--indigo); background: var(--indigo);
}
.req-type-btn.selected svg { color: var(--white); }
.req-type-btn.selected span { color: var(--white); }

.form-nav-row {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.5rem; gap: 1rem;
}
.btn-back {
  background: none; border: 2px solid var(--silver-light);
  color: var(--text-muted); border-radius: 50px;
  padding: .7rem 1.5rem; font-size: .95rem; font-weight: 600;
  transition: var(--transition);
}
.btn-back:hover { border-color: var(--indigo); color: var(--indigo); }
.btn-next {
  background: var(--indigo); border: 2px solid var(--indigo);
  color: white; border-radius: 50px;
  padding: .7rem 2rem; font-size: .95rem; font-weight: 600;
  display: inline-flex; align-items: center; gap: .5rem;
  transition: var(--transition); margin-left: auto;
}
.btn-next:hover { background: var(--indigo-light); border-color: var(--indigo-light); transform: translateX(3px); }
.btn-next:disabled { opacity: .45; pointer-events: none; }

/* Contact info panel on contact page */
.contact-side-panel {
  background: linear-gradient(160deg, var(--indigo-dark) 0%, var(--indigo) 100%);
  border-radius: 20px; padding: 3rem 2.5rem;
  color: white; position: sticky; top: 100px;
}
.contact-side-panel h2 { font-size: 1.5rem; margin-bottom: .75rem; color: white; }
.contact-side-panel > p { opacity: .8; font-size: .95rem; margin-bottom: 2rem; }
.csp-items { display: flex; flex-direction: column; gap: 1.25rem; }
.csp-item { display: flex; align-items: flex-start; gap: 1rem; }
.csp-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.12); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.csp-icon svg { color: white; }
.csp-text strong { display: block; font-size: .78rem; text-transform: uppercase; letter-spacing: .1em; opacity: .6; margin-bottom: .2rem; }
.csp-text a, .csp-text span { color: white; font-weight: 500; font-size: .95rem; }
.csp-text a:hover { opacity: .8; }
.csp-divider {
  border: none; height: 1px; background: rgba(255,255,255,0.12);
  margin: 1.75rem 0;
}
.csp-trust { display: flex; flex-direction: column; gap: .6rem; }
.csp-trust-item {
  display: flex; align-items: center; gap: .6rem;
  font-size: .85rem; opacity: .8;
}
.csp-trust-item svg { color: #4ADE80; flex-shrink: 0; }
.contact-form-wrap h3 { color: var(--indigo-dark); margin-bottom: .35rem; }
.contact-form-wrap > p { color: var(--text-muted); font-size: .88rem; margin-bottom: 2rem; }

/* =============================================
   WARMTEPOMP HIGHLIGHT
   ============================================= */
.warmtepomp-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: linear-gradient(135deg, #10B981, #059669);
  color: white; font-size: .78rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .3rem .85rem; border-radius: 50px;
  margin-bottom: .75rem;
}

/* =============================================
   HOVER CONTRAST IMPROVEMENTS
   ============================================= */
/* Stronger nav link hover */
.nav-menu a:hover { color: var(--indigo); }
.nav-menu a::after { background: var(--indigo); height: 2.5px; }

/* Dienst link — add color shift on hover */
.dienst-link:hover { color: var(--indigo-dark); gap: .9rem; }

/* Filter buttons — clearer initial state */
.filter-btn { color: var(--text); font-weight: 600; }
.filter-btn:hover { background: var(--ice); border-color: var(--indigo); color: var(--indigo); }
.filter-btn.active { background: var(--indigo); border-color: var(--indigo); color: var(--white); }

/* Contact link hover stronger */
.contact-item-text a:hover { color: var(--indigo); text-decoration: underline; }

/* Project card overlay effect */
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(10,10,30,0.7) 100%);
  opacity: 0; transition: opacity var(--transition);
  pointer-events: none;
}
.project-card:hover::after { opacity: 1; }

/* =============================================
   WHATSAPP FLOATING BUTTON
   ============================================= */
.whatsapp-btn {
  position: fixed; bottom: 5.5rem; right: 2rem; z-index: 500;
  width: 52px; height: 52px; border-radius: 50%;
  background: #25D366; color: white;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition);
}
.whatsapp-btn:hover {
  background: #20ba5a;
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}

/* About visual image */
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .about-grid, .contact-grid, .dienst-row { grid-template-columns: 1fr; gap: 3rem; }
  .dienst-row.reverse { direction: ltr; }
  .hero-card { display: none !important; }
  .hero-grid { grid-template-columns: 1fr; padding: 4rem 0 6rem; gap: 2rem; }
  .hero-visual { order: -1; max-width: 440px; margin: 0 auto; }
  .hero-stat-card { bottom: 1rem; left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-grid::before { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-side-panel { position: static; }
}
@media (max-width: 768px) {
  .hero-grid { padding: 3rem 0 5rem; }
  .hero-visual { display: none; }
  .hero h1 { font-size: clamp(1.9rem, 8vw, 2.8rem); }
  .btn-hero-cta, .btn-hero-phone { font-size: .92rem; padding: .85rem 1.5rem; }
  .nav-menu, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-menu.open {
    display: flex; flex-direction: column;
    position: fixed; inset: 72px 0 0 0;
    background: var(--white); padding: 2rem;
    gap: 1.75rem; align-items: flex-start;
    border-top: 1px solid var(--silver-light);
    z-index: 999;
  }
  .nav-menu.open .nav-cta { display: flex; }
  .nav-menu a { font-size: 1.1rem; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .about-badge-float { right: 0; bottom: -1rem; }
  .usps-bar-inner { flex-direction: column; align-items: flex-start; padding: 0 1.5rem; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .request-types { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1200px) {
  .hero-card { display: block; }
}
