/* ══════════════════════════════════════
   UM BOUWBEDRIJF — Global Stylesheet
   ══════════════════════════════════════ */

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

:root {
  --dark:         #0f0e0d;
  --dark2:        #1a1816;
  --gold:         #c8a96e;
  --gold-light:   #e2c98a;
  --cream:        #f5f0e8;
  --cream2:       #ede7da;
  --white:        #ffffff;
  --text:         #2a2520;
  --muted:        #7a7060;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--cream); color: var(--text); overflow-x: hidden; }

/* ── TYPOGRAPHY ── */
.section-label {
  color: var(--gold);
  font-size: 11px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase;
  margin-bottom: 14px; display: block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 700; color: var(--text); line-height: 1.15; margin-bottom: 20px;
}
.section-title.light { color: var(--white); }
.divider {
  width: 52px; height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 2px; margin-bottom: 32px;
}

/* ── BUTTONS ── */
.btn-primary {
  background: var(--gold); color: var(--dark);
  padding: 14px 32px; border-radius: 3px;
  font-weight: 600; font-size: 14px; letter-spacing: .5px;
  text-decoration: none; display: inline-block;
  transition: background .25s, transform .2s, box-shadow .25s;
  box-shadow: 0 4px 20px rgba(200,169,110,.35);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(200,169,110,.45); }

.btn-secondary {
  border: 1px solid rgba(255,255,255,.4); color: var(--white);
  padding: 14px 32px; border-radius: 3px;
  font-weight: 500; font-size: 14px; text-decoration: none; display: inline-block;
  transition: border-color .25s, background .25s;
}
.btn-secondary:hover { border-color: var(--gold); background: rgba(200,169,110,.1); }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 48px;
  background: rgba(15,14,13,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(200,169,110,0.15);
  transition: padding .3s;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo img { height: 52px; width: auto; display: block; }

.nav-links { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,.78); text-decoration: none;
  font-size: 14px; font-weight: 500; letter-spacing: .5px; transition: color .25s;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }
.nav-cta {
  background: var(--gold) !important; color: var(--dark) !important;
  padding: 10px 22px; border-radius: 3px; font-weight: 600 !important;
  transition: background .25s !important;
}
.nav-cta:hover { background: var(--gold-light) !important; }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: .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); }

/* ── SOCIAL BUTTONS ── */
.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; border-radius: 6px;
  font-size: 14px; font-weight: 600; text-decoration: none;
  transition: transform .2s, opacity .2s;
}
.social-btn:hover { transform: translateY(-2px); opacity: .9; }
.whatsapp-btn  { background: #25D366; color: #fff; }
.instagram-btn { background: linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888); color: #fff; }
.facebook-btn  { background: #1877F2; color: #fff; }

.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; text-decoration: none;
  transition: transform .2s, opacity .2s;
}
.footer-social a:hover { transform: translateY(-2px); opacity: .85; }

/* ── FOOTER ── */
footer {
  background: var(--dark);
  border-top: 1px solid rgba(200,169,110,.1);
  padding: 48px 48px 32px;
}
.footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 40px;
}
.footer-brand p { color: rgba(255,255,255,.45); font-size: 13px; line-height: 1.7; }
.footer-col h4 {
  color: var(--gold); font-size: 11px; letter-spacing: 2.5px;
  text-transform: uppercase; font-weight: 600; margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,.5); text-decoration: none; font-size: 14px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--gold-light); }
.footer-col p { color: rgba(255,255,255,.5); font-size: 13px; line-height: 1.7; }
.footer-col a { color: rgba(255,255,255,.5); text-decoration: none; transition: color .2s; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid rgba(255,255,255,.07);
}
.footer-bottom p, .footer-kvk { color: rgba(255,255,255,.3); font-size: 13px; }

/* ── CONTACT FORM ── */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.form-group label { color: var(--gold); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  background: rgba(255,255,255,.06); border: 1px solid rgba(200,169,110,.2);
  border-radius: 4px; padding: 12px 16px;
  color: var(--white); font-family: var(--font-body); font-size: 14px;
  outline: none; transition: border-color .25s, background .25s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  border-color: var(--gold); background: rgba(255,255,255,.09);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select option { background: var(--dark2); }
.btn-form {
  width: 100%; background: var(--gold); color: var(--dark);
  padding: 15px; border: none; border-radius: 4px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600; letter-spacing: .5px;
  cursor: pointer; transition: background .25s, transform .2s;
}
.btn-form:hover { background: var(--gold-light); transform: translateY(-1px); }
.form-success {
  display: none; background: rgba(200,169,110,.12);
  border: 1px solid var(--gold); border-radius: 4px;
  padding: 18px; color: var(--gold-light);
  text-align: center; font-size: 15px; margin-top: 12px;
}

/* ── LIGHTBOX ── */
.lightbox {
  display: none; position: fixed; inset: 0; z-index: 999;
  background: rgba(0,0,0,.95); align-items: center; justify-content: center;
}
.lightbox.open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 4px; }
.lightbox-close { position: absolute; top: 20px; right: 28px; color: var(--white); font-size: 40px; cursor: pointer; opacity: .7; transition: opacity .2s; line-height:1; }
.lightbox-close:hover { opacity: 1; }
.lightbox-prev, .lightbox-next { position: absolute; top: 50%; transform: translateY(-50%); color: var(--white); font-size: 48px; cursor: pointer; padding: 12px 20px; opacity: .6; transition: opacity .2s; user-select: none; }
.lightbox-prev { left: 0; } .lightbox-next { right: 0; }
.lightbox-prev:hover, .lightbox-next:hover { opacity: 1; }
.lightbox-caption { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: rgba(255,255,255,.6); font-size: 13px; letter-spacing: 1px; }

/* ── REVEAL ANIMATION ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ══════════════
   HOMEPAGE ONLY
   ══════════════ */

/* Hero */
#home { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background: url('images/foto-1.jpg') center center / cover no-repeat;
  background-color: #1a1816;
  filter: brightness(.45); transform: scale(1.05);
  animation: heroZoom 12s ease-out forwards;
}
@keyframes heroZoom { to { transform: scale(1); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,14,13,.7) 0%, rgba(15,14,13,.2) 60%, transparent 100%); }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding: 0 48px; margin-top: 80px; animation: fadeUp .9s ease both; }
@keyframes fadeUp { from { opacity:0; transform: translateY(30px); } to { opacity:1; transform: translateY(0); } }
.hero-tag { display: inline-flex; align-items: center; gap: 10px; color: var(--gold); font-size: 12px; font-weight: 600; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 22px; }
.hero-tag::before { content: ''; display: block; width: 30px; height: 1px; background: var(--gold); }
.hero-title { font-family: var(--font-display); font-size: clamp(40px,6vw,72px); font-weight: 700; color: var(--white); line-height: 1.1; margin-bottom: 24px; }
.hero-title span { color: var(--gold-light); }
.hero-desc { color: rgba(255,255,255,.75); font-size: 17px; line-height: 1.7; max-width: 540px; margin-bottom: 40px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.5); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; animation: bounce 2.5s infinite; }
.hero-scroll::after { content: ''; display: block; width: 1px; height: 40px; background: rgba(255,255,255,.3); }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

/* Services section */
#diensten { background: var(--cream); padding: 96px 48px; }
.diensten-intro { max-width: 800px; margin: 0 auto 60px; text-align: center; }
.diensten-intro .divider { margin: 0 auto 28px; }
.diensten-intro p { color: var(--muted); font-size: 16px; line-height: 1.75; }
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(300px,1fr)); gap: 28px; max-width: 1100px; margin: 0 auto; }
.project-card { position: relative; border-radius: 6px; overflow: hidden; background: var(--dark2); cursor: pointer; }
.project-card:hover .project-img { transform: scale(1.07); filter: brightness(.55); }
.project-img { width: 100%; aspect-ratio: 3/4; object-fit: cover; display: block; transition: transform .5s ease, filter .5s ease; filter: brightness(.75); }
.project-overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,14,13,.95) 0%, rgba(15,14,13,.2) 55%, transparent 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; }
.project-num { font-size: 11px; letter-spacing: 3px; color: var(--gold); font-weight: 600; text-transform: uppercase; margin-bottom: 8px; }
.project-name { font-family: var(--font-display); font-size: 22px; color: var(--white); font-weight: 600; }
.project-desc { color: rgba(255,255,255,.65); font-size: 13px; margin-top: 6px; line-height: 1.5; }

/* Reviews */
#reviews { background: var(--dark); padding: 96px 48px; position: relative; overflow: hidden; }
#reviews::before { content: '"'; position: absolute; top: -40px; left: 40px; font-family: var(--font-display); font-size: 400px; line-height: 1; color: rgba(200,169,110,.05); pointer-events: none; }
.reviews-header { text-align: center; max-width: 600px; margin: 0 auto 56px; }
.reviews-header .divider { margin: 16px auto 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 24px; max-width: 1100px; margin: 0 auto; }
.review-card { background: rgba(255,255,255,.04); border: 1px solid rgba(200,169,110,.12); border-radius: 6px; padding: 32px 28px; transition: border-color .3s, background .3s; }
.review-card:hover { border-color: rgba(200,169,110,.35); background: rgba(255,255,255,.07); }
.review-stars { display: flex; gap: 4px; margin-bottom: 16px; }
.review-stars span { color: var(--gold); font-size: 16px; }
.review-text { color: rgba(255,255,255,.7); font-size: 15px; line-height: 1.7; margin-bottom: 24px; font-style: italic; }
.review-author { color: var(--gold-light); font-weight: 600; font-size: 14px; }

/* About */
#about { background: var(--cream2); display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; padding: 96px 48px; }
.about-img-wrap { position: relative; }
.about-img-wrap::after { content: ''; position: absolute; inset: 20px -20px -20px 20px; border: 2px solid var(--gold); border-radius: 6px; z-index: 0; }
.about-img { width: 100%; border-radius: 6px; object-fit: cover; aspect-ratio: 4/5; display: block; position: relative; z-index: 1; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.about-content p { color: var(--muted); font-size: 16px; line-height: 1.8; margin-bottom: 18px; }

/* Contact */
#contact { background: var(--dark2); padding: 96px 48px; }
.contact-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact-info p { color: rgba(255,255,255,.65); font-size: 15px; line-height: 1.8; margin-bottom: 32px; }
.contact-detail { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.contact-icon { width: 36px; height: 36px; flex-shrink: 0; background: rgba(200,169,110,.12); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.contact-text strong { display: block; color: var(--gold); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 2px; }
.contact-text a, .contact-text span { color: rgba(255,255,255,.75); font-size: 15px; text-decoration: none; }
.contact-text a:hover { color: var(--gold-light); }

/* ══════════════════
   PORTFOLIO PAGE ONLY
   ══════════════════ */
.page-hero { padding: 160px 48px 80px; background: var(--dark2); text-align: center; position: relative; overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 100%, rgba(200,169,110,.08) 0%, transparent 70%); }
.page-hero h1 { font-family: var(--font-display); font-size: clamp(36px,5vw,60px); font-weight: 700; color: var(--white); line-height: 1.1; margin-bottom: 20px; }
.page-hero p { color: rgba(255,255,255,.6); font-size: 16px; line-height: 1.7; max-width: 580px; margin: 0 auto; }
.page-hero .divider { margin: 20px auto; }

.filter-bar { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; padding: 40px 48px 0; }
.filter-btn { padding: 10px 22px; border-radius: 30px; border: 1px solid rgba(200,169,110,.3); background: transparent; color: var(--muted); font-family: var(--font-body); font-size: 13px; font-weight: 500; cursor: pointer; transition: all .25s; }
.filter-btn:hover { border-color: var(--gold); color: var(--text); }
.filter-btn.active { background: var(--gold); border-color: var(--gold); color: var(--dark); font-weight: 600; }

.projects-section { padding: 48px 48px 96px; max-width: 1200px; margin: 0 auto; }

.project-block { margin-bottom: 80px; border-radius: 10px; overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,.09); background: var(--white); }
.project-block.hidden { display: none; }

.project-header { padding: 36px 40px 28px; border-bottom: 1px solid var(--cream2); display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.project-title { font-family: var(--font-display); font-size: 26px; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.project-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { background: var(--cream2); color: var(--muted); font-size: 12px; padding: 4px 12px; border-radius: 20px; font-weight: 500; }

.photo-section { padding: 20px 40px 32px; }
.section-sub { font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; font-weight: 700; color: var(--muted); margin-bottom: 14px; }
.section-sub span { color: var(--gold); }
.section-divider { height: 1px; background: var(--cream2); margin: 4px 40px 0; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 12px; }

.photo-wrap { position: relative; overflow: hidden; border-radius: 6px; background: var(--dark2); cursor: pointer; }
.photo-wrap img { width: 100%; display: block; object-fit: cover; aspect-ratio: 3/4; transition: transform .45s ease, filter .45s ease; filter: brightness(.95); }
.photo-wrap.wide img { aspect-ratio: 4/3; }
.photo-wrap:hover img { transform: scale(1.04); filter: brightness(1.02); }
.photo-overlay { position: absolute; bottom: 0; left: 0; right: 0; background: linear-gradient(to top, rgba(15,14,13,.7) 0%, transparent 60%); padding: 20px 16px 14px; opacity: 0; transition: opacity .3s; color: var(--white); font-size: 13px; }
.photo-wrap:hover .photo-overlay { opacity: 1; }

.cta-strip { background: var(--dark); text-align: center; padding: 64px 48px; }
.cta-strip h2 { font-family: var(--font-display); font-size: clamp(26px,4vw,40px); color: var(--white); margin-bottom: 14px; }
.cta-strip p { color: rgba(255,255,255,.6); font-size: 16px; margin-bottom: 32px; }

/* ═══════════
   RESPONSIVE
   ═══════════ */
@media (max-width: 900px) {
  nav { padding: 14px 24px; }
  .nav-links { display: none; flex-direction: column; position: fixed; top: 0; right: 0; bottom: 0; width: 270px; background: var(--dark2); padding: 90px 32px 32px; gap: 24px; transform: translateX(100%); transition: transform .35s; z-index: 99; }
  .nav-links.open { display: flex; transform: translateX(0); }
  .hamburger { display: flex; z-index: 100; }
  .hero-content { padding: 0 24px; }
  #diensten, #reviews, #contact, #about, .page-hero, .filter-bar, .projects-section, .cta-strip, footer { padding-left: 24px; padding-right: 24px; }
  #about { grid-template-columns: 1fr; gap: 40px; }
  .about-img-wrap::after { display: none; }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .project-header { padding: 24px; flex-direction: column; }
  .photo-section { padding: 16px 16px 24px; }
  .section-divider { margin: 4px 16px 0; }
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .hero-btns { flex-direction: column; }
  .projects-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .filter-bar { padding: 24px 16px 0; }
}