/* ============================================================
   VENTIVOLT — Airco & Laadpalen
   Dark premium design system
   ============================================================ */

:root {
  --bg: #0a0f1e;
  --bg-2: #0d1426;
  --card: #101a30;
  --card-2: #14203a;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(148, 163, 184, 0.14);
  --border-strong: rgba(148, 163, 184, 0.28);
  --text: #e6edf7;
  --text-2: #9aabc4;
  --accent: #38bdf8;
  --accent-2: #2563eb;
  --volt: #a3e635;
  --grad: linear-gradient(135deg, #38bdf8 0%, #2563eb 100%);
  --grad-volt: linear-gradient(135deg, #a3e635 0%, #38bdf8 100%);
  --shadow-lg: 0 24px 60px -16px rgba(2, 6, 23, 0.7);
  --radius: 18px;
  --radius-sm: 12px;
  --font-head: "Lexend", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --nav-h: 76px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-family: var(--font-head); font-weight: 600; line-height: 1.15; letter-spacing: -0.02em; }

h1 { font-size: clamp(2.3rem, 5.5vw, 3.9rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-2); }

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; }

.container { width: min(1160px, 92%); margin-inline: auto; }

section { padding: clamp(64px, 9vw, 110px) 0; position: relative; }

.section-head { max-width: 640px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 14px; font-size: 1.08rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--grad); border-radius: 2px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 0.98rem;
  padding: 15px 28px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
  min-height: 48px;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 10px 30px -8px rgba(37, 99, 235, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 38px -8px rgba(37, 99, 235, 0.7); }
.btn-ghost {
  background: var(--surface); color: var(--text);
  border-color: var(--border-strong);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); background: rgba(56, 189, 248, 0.08); }
.btn-whatsapp { background: #25d366; color: #06250f; }
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(37, 211, 102, 0.5); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 15, 30, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 12px; }
.logo-mark { width: 42px; height: 42px; flex: none; }
.logo-word { font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; color: var(--text); }
.logo-word .volt { color: var(--volt); }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  font-family: var(--font-head); font-size: 0.92rem; font-weight: 500;
  color: var(--text-2); padding: 10px 14px; border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--surface); }
.nav-cta { margin-left: 10px; padding: 11px 22px; min-height: 44px; }
.nav-links a.nav-cta, .nav-links a.nav-cta:hover { color: #fff; background: var(--grad); }

.nav-toggle {
  display: none; background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; width: 46px; height: 46px;
  align-items: center; justify-content: center; color: var(--text);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--nav-h) + 48px) 0 80px;
  position: relative;
  overflow: clip;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.5; will-change: transform; }
.orb-1 { width: 520px; height: 520px; background: #1d4ed8; top: -140px; right: -120px; animation: float 11s ease-in-out infinite; }
.orb-2 { width: 420px; height: 420px; background: #0891b2; bottom: -160px; left: -140px; animation: float 13s ease-in-out infinite reverse; }
.orb-3 { width: 260px; height: 260px; background: #4d7c0f; top: 38%; left: 52%; opacity: 0.25; animation: float 16s ease-in-out infinite 2s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-36px, 30px) scale(1.07); }
}
.hero-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
}

.hero-inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 999px; padding: 8px 18px;
  font-family: var(--font-head); font-size: 0.85rem; font-weight: 500;
  color: var(--text-2); margin-bottom: 26px;
  backdrop-filter: blur(8px);
}
.hero-badge .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--volt);
  box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.6);
  animation: pulse-dot 2.2s ease-out infinite;
}
@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0.55); }
  70% { box-shadow: 0 0 0 10px rgba(163, 230, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(163, 230, 53, 0); }
}

.hero h1 { margin-bottom: 22px; }
.hero-sub { font-size: 1.18rem; max-width: 520px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 52px; }

.hero-stats { display: flex; gap: clamp(24px, 4vw, 52px); flex-wrap: wrap; }
.stat .num {
  font-family: var(--font-head); font-size: clamp(1.7rem, 3vw, 2.3rem); font-weight: 700;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat .label { font-size: 0.9rem; color: var(--text-2); margin-top: 2px; }

.hero-visual { position: relative; }
.hero-card {
  display: block;
  background: linear-gradient(160deg, rgba(255,255,255,0.07), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  border-radius: 24px; padding: 28px;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-lg);
  animation: hero-card-in 1s 0.3s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes hero-card-in {
  from { opacity: 0; transform: translateY(36px) rotate(1.5deg); }
  to { opacity: 1; transform: translateY(0) rotate(0); }
}
.hero-card + .hero-card { margin-top: 18px; animation-delay: 0.5s; }
.hero-card-row { display: flex; align-items: center; gap: 18px; }
.hero-card-icon {
  width: 58px; height: 58px; flex: none; border-radius: 16px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.12); color: var(--accent);
}
.hero-card-icon.volt-bg { background: rgba(163, 230, 53, 0.1); color: var(--volt); }
.hero-card-icon svg { width: 30px; height: 30px; }
.hero-card h3 { font-size: 1.08rem; margin-bottom: 3px; }
.hero-card p { font-size: 0.92rem; }
.hero-card .price-tag {
  margin-left: auto; font-family: var(--font-head); font-weight: 700;
  font-size: 1rem; color: var(--accent); white-space: nowrap;
}

/* ---------- Brand strip ---------- */
.brand-strip { padding: 26px 0; border-block: 1px solid var(--border); background: var(--bg-2); overflow: hidden; }
.marquee { display: flex; gap: 64px; width: max-content; animation: marquee 26s linear infinite; }
.marquee span {
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-2);
  display: inline-flex; align-items: center; gap: 64px; white-space: nowrap;
}
.marquee span::after { content: "✦"; color: var(--accent); font-size: 0.7rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Product cards ---------- */
.products-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.product-card {
  position: relative; display: block;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border);
  background: linear-gradient(170deg, var(--card-2), var(--card));
  padding: clamp(28px, 4vw, 44px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.35s;
  cursor: pointer;
}
.product-card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px circle at var(--mx, 70%) var(--my, 20%), rgba(56, 189, 248, 0.13), transparent 65%);
  opacity: 0; transition: opacity 0.35s;
}
.product-card:hover { transform: translateY(-8px); border-color: rgba(56, 189, 248, 0.45); box-shadow: var(--shadow-lg); }
.product-card:hover::before { opacity: 1; }
.product-card .icon-wrap {
  width: 64px; height: 64px; border-radius: 18px; margin-bottom: 24px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.2);
}
.product-card .icon-wrap.volt { background: rgba(163, 230, 53, 0.08); color: var(--volt); border-color: rgba(163, 230, 53, 0.2); }
.product-card .icon-wrap svg { width: 34px; height: 34px; }
.product-card h3 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); margin-bottom: 12px; }
.product-card p { margin-bottom: 24px; max-width: 420px; }
.product-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tag {
  font-family: var(--font-head); font-size: 0.78rem; font-weight: 500;
  padding: 6px 13px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2);
}
.card-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; color: var(--accent);
}
.card-link svg { width: 18px; height: 18px; transition: transform 0.25s; }
.product-card:hover .card-link svg, .choice-card:hover .card-link svg { transform: translateX(5px); }
.from-price { font-family: var(--font-head); font-size: 0.9rem; color: var(--text-2); margin-bottom: 6px; }
.from-price strong { color: var(--text); font-size: 1.35rem; font-weight: 700; }

/* ---------- USP / features ---------- */
.usp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.usp {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px;
  transition: transform 0.3s, border-color 0.3s;
}
.usp:hover { transform: translateY(-5px); border-color: var(--border-strong); }
.usp .icon {
  width: 48px; height: 48px; border-radius: 13px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
}
.usp .icon svg { width: 25px; height: 25px; }
.usp h3 { font-size: 1.08rem; margin-bottom: 8px; }
.usp p { font-size: 0.95rem; }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.price-card {
  position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 30px;
  display: flex; flex-direction: column;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.price-card:hover { transform: translateY(-7px); box-shadow: var(--shadow-lg); }
.price-card.featured { border-color: rgba(56, 189, 248, 0.5); background: linear-gradient(170deg, rgba(37, 99, 235, 0.14), var(--card)); }
.price-card .pop-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff;
  font-family: var(--font-head); font-size: 0.74rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 999px; white-space: nowrap;
}
.price-card .p-name { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; margin-bottom: 4px; }
.price-card .p-sub { font-size: 0.9rem; color: var(--text-2); margin-bottom: 22px; }
.price-card .p-amount { font-family: var(--font-head); font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; }
.price-card .p-amount small { font-size: 0.95rem; font-weight: 500; color: var(--text-2); letter-spacing: 0; }
.price-card .p-vanaf { font-size: 0.84rem; color: var(--text-2); margin-bottom: 24px; }
.price-card ul { margin-bottom: 30px; display: grid; gap: 11px; }
.price-card li { display: flex; gap: 11px; font-size: 0.95rem; color: var(--text-2); align-items: flex-start; }
.price-card li svg { width: 19px; height: 19px; flex: none; color: var(--volt); margin-top: 2px; }
.price-card .btn { margin-top: auto; width: 100%; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: step; }
.step {
  position: relative; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 34px 28px;
}
.step .step-num {
  font-family: var(--font-head); font-size: 3rem; font-weight: 700; line-height: 1;
  background: linear-gradient(135deg, rgba(56,189,248,0.7), rgba(37,99,235,0.25));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 16px;
}
.step h3 { margin-bottom: 10px; }
.step p { font-size: 0.96rem; }

/* ---------- Detail pages ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 64px) 0 64px;
  position: relative; overflow: clip;
}
.page-hero .hero-bg { opacity: 0.7; }
.breadcrumbs { display: flex; gap: 8px; align-items: center; font-size: 0.88rem; color: var(--text-2); margin-bottom: 22px; font-family: var(--font-head); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs svg { width: 14px; height: 14px; opacity: 0.5; }
.page-hero h1 { max-width: 760px; margin-bottom: 18px; }
.page-hero .hero-sub { margin-bottom: 32px; }

.choice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.choice-card {
  display: flex; flex-direction: column;
  border-radius: var(--radius); overflow: hidden;
  background: var(--card); border: 1px solid var(--border);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s, box-shadow 0.35s;
}
.choice-card:hover { transform: translateY(-8px); border-color: rgba(56, 189, 248, 0.45); box-shadow: var(--shadow-lg); }
.choice-visual { aspect-ratio: 16 / 9; position: relative; overflow: hidden; }
.choice-visual svg { width: 100%; height: 100%; }
.choice-body { padding: 30px; display: flex; flex-direction: column; flex: 1; }
.choice-body h3 { font-size: 1.4rem; margin-bottom: 10px; }
.choice-body p { margin-bottom: 22px; }
.choice-body .meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; gap: 16px; flex-wrap: wrap; }

.detail-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(36px, 5vw, 64px); align-items: start; }
.detail-visual {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border-strong); box-shadow: var(--shadow-lg);
  position: sticky; top: calc(var(--nav-h) + 24px);
}
.detail-visual svg { width: 100%; height: auto; }
.photo-note {
  font-size: 0.82rem; color: var(--text-2); text-align: center;
  padding: 10px; background: var(--bg-2); border-top: 1px solid var(--border);
}
.spec-list { display: grid; gap: 14px; margin: 28px 0; }
.spec-list li {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 16px 18px;
}
.spec-list li svg { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 2px; }
.spec-list li strong { display: block; font-family: var(--font-head); font-weight: 600; font-size: 0.98rem; color: var(--text); }
.spec-list li span { font-size: 0.92rem; color: var(--text-2); }

.price-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(56, 189, 248, 0.08));
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius); padding: 26px 30px; margin-top: 32px;
}
.price-banner .amount { font-family: var(--font-head); font-size: 2.1rem; font-weight: 700; }
.price-banner .amount small { display: block; font-size: 0.85rem; font-weight: 500; color: var(--text-2); }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: clip; }
.cta-box {
  position: relative;
  background: linear-gradient(150deg, #15264a, #0d1830);
  border: 1px solid var(--border-strong);
  border-radius: 28px; padding: clamp(44px, 7vw, 80px);
  text-align: center; overflow: hidden;
}
.cta-box::before {
  content: ""; position: absolute; width: 480px; height: 480px; border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 65%);
  top: -240px; left: 50%; transform: translateX(-50%);
}
.cta-box h2 { margin-bottom: 16px; }
.cta-box p { max-width: 540px; margin: 0 auto 34px; }
.cta-box .hero-actions { justify-content: center; margin-bottom: 0; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(36px, 5vw, 60px); align-items: start; }
.contact-card { display: grid; gap: 16px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 20px 22px;
  transition: border-color 0.25s, transform 0.25s;
}
.contact-item:hover { border-color: var(--border-strong); transform: translateX(4px); }
.contact-item .icon {
  width: 44px; height: 44px; flex: none; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
}
.contact-item .icon svg { width: 22px; height: 22px; }
.contact-item strong { display: block; font-family: var(--font-head); font-size: 0.95rem; }
.contact-item span, .contact-item a.val { font-size: 0.95rem; color: var(--text-2); word-break: break-word; }
.contact-item a.val:hover { color: var(--accent); }

/* ---------- Form ---------- */
.quote-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: clamp(26px, 4vw, 40px);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label {
  display: block; font-family: var(--font-head); font-size: 0.9rem; font-weight: 500;
  margin-bottom: 8px; color: var(--text);
}
.field label .req { color: var(--accent); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 50px;
  background: var(--bg-2); border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); padding: 13px 16px;
  font: inherit; font-size: 1rem; color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15); outline: none;
}
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239aabc4' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; background-size: 18px; }
.field .hint { font-size: 0.84rem; color: var(--text-2); margin-top: 7px; }

.file-drop {
  border: 1.5px dashed var(--border-strong); border-radius: var(--radius-sm);
  padding: 26px; text-align: center; cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  color: var(--text-2); font-size: 0.95rem;
}
.file-drop:hover, .file-drop.dragover { border-color: var(--accent); background: rgba(56, 189, 248, 0.06); }
.file-drop svg { width: 30px; height: 30px; margin: 0 auto 10px; color: var(--accent); }
.file-drop input { display: none; }
.file-drop .file-names { margin-top: 8px; font-size: 0.85rem; color: var(--volt); }

.form-status { margin-top: 16px; font-size: 0.95rem; display: none; }
.form-status.ok { display: block; color: var(--volt); }
.form-status.err { display: block; color: #f87171; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--border); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-grid h4 { font-size: 0.95rem; margin-bottom: 18px; color: var(--text); }
.footer-grid ul { display: grid; gap: 11px; }
.footer-grid a, .footer-grid li { font-size: 0.93rem; color: var(--text-2); }
.footer-grid a:hover { color: var(--accent); }
.footer-about p { font-size: 0.93rem; margin-top: 16px; max-width: 300px; }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 26px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 0.85rem; color: var(--text-2);
}
.socials { display: flex; gap: 10px; margin-top: 20px; }
.socials a {
  width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2); transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.socials a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); }
.socials svg { width: 20px; height: 20px; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 12px 32px -6px rgba(37, 211, 102, 0.55);
  transition: transform 0.25s;
}
.wa-float::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, 0.7);
  animation: wa-ring 2.4s ease-out infinite;
}
@keyframes wa-ring {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.55); opacity: 0; }
}
.wa-float:hover { transform: scale(1.1); }
.wa-float svg { width: 32px; height: 32px; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 120;
  width: 100%; height: 3px;
  background: var(--grad);
  transform: scaleX(0); transform-origin: 0 0;
  pointer-events: none;
}

/* ---------- Foto's ---------- */
.card-photo {
  border-radius: 14px; overflow: hidden; aspect-ratio: 16 / 9;
  margin-bottom: 24px; border: 1px solid var(--border);
  position: relative;
}
.card-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.product-card:hover .card-photo img { transform: scale(1.06); }
.detail-visual img { width: 100%; height: auto; }

/* ---------- Diensten ---------- */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(56, 189, 248, 0.4); box-shadow: var(--shadow-lg); }
.service-card .icon {
  width: 54px; height: 54px; border-radius: 15px; margin-bottom: 20px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
  border: 1px solid rgba(56, 189, 248, 0.18);
}
.service-card .icon.flame { background: rgba(251, 146, 60, 0.1); color: #fb923c; border-color: rgba(251, 146, 60, 0.2); }
.service-card .icon svg { width: 27px; height: 27px; }
.service-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.service-card > p { font-size: 0.95rem; margin-bottom: 16px; }
.service-card ul { display: grid; gap: 10px; }
.service-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.93rem; color: var(--text-2); }
.service-card li svg { width: 18px; height: 18px; flex: none; color: var(--volt); margin-top: 3px; }
.cert-note {
  display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 32px; padding: 14px 22px;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 999px;
  font-family: var(--font-head); font-size: 0.9rem; color: var(--text-2);
}
.cert-note svg { width: 20px; height: 20px; color: var(--volt); flex: none; }

/* ---------- Optie-kaarten (load balancing) ---------- */
.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch; }
.option-card {
  position: relative;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 34px 30px;
  display: flex; flex-direction: column;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.option-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.option-card.featured { border-color: rgba(163, 230, 53, 0.45); background: linear-gradient(170deg, rgba(163, 230, 53, 0.07), var(--card)); }
.option-card .opt-badge {
  position: absolute; top: -13px; left: 30px;
  background: var(--grad-volt); color: #0a0f1e;
  font-family: var(--font-head); font-size: 0.74rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 6px 16px; border-radius: 999px;
}
.option-card h3 { font-size: 1.25rem; margin-bottom: 6px; }
.option-card .opt-price { font-family: var(--font-head); font-size: 1.9rem; font-weight: 700; margin-bottom: 4px; }
.option-card .opt-price small { font-size: 0.9rem; font-weight: 500; color: var(--text-2); }
.option-card > p { font-size: 0.96rem; margin: 14px 0 18px; }
.option-card ul { display: grid; gap: 10px; margin-bottom: 26px; }
.option-card li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.94rem; color: var(--text-2); }
.option-card li svg { width: 18px; height: 18px; flex: none; color: var(--volt); margin-top: 3px; }
.option-card .btn { margin-top: auto; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 0; transform: translateX(-48px); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-right { opacity: 0; transform: translateX(48px); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-zoom { opacity: 0; transform: scale(0.93); transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-left.visible, .reveal-right.visible, .reveal-zoom.visible { opacity: 1; transform: none; }
.reveal-stagger > * { opacity: 0; transform: translateY(34px); transition: opacity 0.65s cubic-bezier(0.22, 1, 0.36, 1), transform 0.65s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-stagger.visible > * { opacity: 1; transform: none; }
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.55s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-visual { max-width: 560px; }
  .usp-grid { grid-template-columns: 1fr 1fr; }
  .detail-visual { position: static; }
}
@media (max-width: 820px) {
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: rgba(10, 15, 30, 0.97); backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    padding: 18px 5vw 26px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 14px 16px; font-size: 1.05rem; }
  .nav-cta { margin: 10px 0 0; }
  .nav-toggle { display: inline-flex; }
  .products-grid, .pricing-grid, .steps, .choice-grid, .contact-grid, .detail-grid, .services-grid, .option-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { min-height: auto; }
  .price-card.featured { order: -1; }
}
@media (max-width: 560px) {
  .usp-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .wa-float { right: 16px; bottom: 16px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-zoom, .reveal-stagger > * { opacity: 1; transform: none; }
}
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   FX — extreme scroll-animaties (actief via html.fx,
   automatisch uit bij prefers-reduced-motion)
   ============================================================ */

/* ---------- Woord-voor-woord titel-reveal ---------- */
.split-words .w {
  display: inline-block;
  opacity: 0; transform: translateY(0.65em) rotate(2.5deg); filter: blur(8px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), filter 0.6s;
  will-change: transform, filter;
}
.split-words.visible .w { opacity: 1; transform: none; filter: blur(0); }
.w.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Foto-gordijn reveal ---------- */
html.fx .img-reveal { position: relative; overflow: hidden; }
html.fx .img-reveal::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(120deg, #1b2a4a, #0d1830);
  transition: transform 1s cubic-bezier(0.77, 0, 0.18, 1) 0.1s;
}
html.fx .img-reveal img { transform: scale(1.16); transition: transform 1.4s cubic-bezier(0.22, 1, 0.36, 1) 0.15s; }
html.fx .img-reveal.visible::after { transform: translateX(102%); }
html.fx .img-reveal.visible img { transform: scale(1); }
html.fx .product-card:hover .card-photo.img-reveal.visible img { transform: scale(1.06); }

/* ---------- Zwevende vonken in de hero ---------- */
.spark {
  position: absolute; left: var(--x, 50%); top: 110%;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); opacity: 0;
  box-shadow: 0 0 12px 2px rgba(56, 189, 248, 0.5);
  animation: spark-rise var(--d, 10s) linear var(--dl, 0s) infinite;
}
.spark.volt { background: var(--volt); box-shadow: 0 0 12px 2px rgba(163, 230, 53, 0.45); }
@keyframes spark-rise {
  0% { transform: translateY(0) scale(0.6); opacity: 0; }
  8% { opacity: 0.65; }
  85% { opacity: 0.15; }
  100% { transform: translateY(-115vh) scale(1.2); opacity: 0; }
}

/* ---------- Scrollytelling "Hoe het werkt" ---------- */
.hscroll-outer { background: var(--bg-2); }
.hscroll-inner { position: relative; padding: clamp(64px, 9vw, 110px) 0; }
.hscroll-head { text-align: center; }
.hscroll-head .eyebrow { justify-content: center; }
.hscroll-track {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  width: min(1160px, 92%); margin: 44px auto 0;
}
.hpanel {
  position: relative; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px 34px; overflow: hidden;
}
.hpanel .pnum {
  font-family: var(--font-head); font-weight: 700; font-size: 4.2rem; line-height: 1;
  -webkit-text-stroke: 1.5px rgba(148, 163, 184, 0.5); color: transparent;
  margin-bottom: 18px;
  transition: filter 0.5s, color 0.5s;
}
.hpanel .picon {
  width: 54px; height: 54px; border-radius: 15px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: rgba(56, 189, 248, 0.1); color: var(--accent);
}
.hpanel .picon svg { width: 27px; height: 27px; }
.hpanel h3 { font-size: 1.3rem; margin-bottom: 10px; }
.hpanel p { font-size: 0.97rem; }
.hpanel-cta {
  display: flex; flex-direction: column; justify-content: center; align-items: flex-start;
  background: linear-gradient(150deg, rgba(37, 99, 235, 0.2), var(--card));
  border-color: rgba(56, 189, 248, 0.35);
}
.hscroll-progressbar { display: none; }
.hs-bolt-wrap { display: none; }
@media (max-width: 820px) {
  .hscroll-track { grid-template-columns: 1fr; }
}

@media (min-width: 821px) {
  html.fx .hscroll-outer { height: 340vh; }
  html.fx .hscroll-inner {
    position: sticky; top: 0; height: 100svh;
    display: flex; flex-direction: column; justify-content: center;
    overflow: hidden; padding: 0;
  }
  html.fx .hscroll-track {
    display: flex; width: max-content;
    margin: 44px 0 0; padding: 0 9vw; gap: 34px;
    will-change: transform;
  }
  html.fx .hpanel {
    flex: 0 0 480px;
    opacity: 0.4; transform: scale(0.94);
    transition: opacity 0.5s, transform 0.5s, border-color 0.5s, box-shadow 0.5s;
  }
  html.fx .hpanel.active { opacity: 1; transform: none; border-color: rgba(56, 189, 248, 0.45); box-shadow: var(--shadow-lg); }
  html.fx .hpanel.active .pnum {
    -webkit-text-stroke: 0px transparent;
    background: var(--grad);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    filter: drop-shadow(0 0 16px rgba(56, 189, 248, 0.35));
  }
  html.fx .hscroll-progressbar {
    display: block; width: min(520px, 60vw); margin: 48px auto 0;
    height: 3px; border-radius: 99px;
    background: rgba(148, 163, 184, 0.18); overflow: hidden;
  }
  html.fx .hscroll-progressbar span { display: block; height: 100%; width: 0; background: var(--grad); border-radius: 99px; }
  html.fx .hs-bolt-wrap { display: block; position: absolute; inset: 0; pointer-events: none; opacity: 0.45; }
  html.fx .hs-bolt-wrap svg { width: 100%; height: 100%; }
}

/* ---------- 3D-entrance voor prijskaarten ---------- */
html.fx .pricing-grid { perspective: 1200px; }
html.fx .pricing-grid.reveal-stagger > * { transform: translateY(48px) rotateX(16deg) scale(0.96); transform-origin: 50% 0; }
html.fx .pricing-grid.reveal-stagger.visible > * { transform: none; }

/* ---------- Gloed op CTA-blok ---------- */
html.fx .cta-box.visible { animation: cta-glow 4.5s ease-in-out infinite; }
@keyframes cta-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56, 189, 248, 0); }
  50% { box-shadow: 0 0 70px -12px rgba(56, 189, 248, 0.35); }
}

/* ---------- Tilt & magnetische elementen ---------- */
[data-tilt], [data-magnetic] { will-change: transform; }

/* ---------- FAQ accordion ---------- */
.faq-list { display: grid; gap: 14px; }
.faq-item {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); overflow: hidden;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.faq-item[open] { border-color: rgba(56, 189, 248, 0.4); box-shadow: var(--shadow-lg); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px; min-height: 44px;
  font-family: var(--font-head); font-weight: 600; font-size: 1.02rem; color: var(--text);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item summary svg { width: 20px; height: 20px; flex: none; color: var(--accent); transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1); }
.faq-item[open] summary svg { transform: rotate(45deg); }
.faq-body { padding: 0 24px 22px; }
.faq-body p { font-size: 0.98rem; }
.faq-item[open] .faq-body { animation: faq-open 0.35s cubic-bezier(0.22, 1, 0.36, 1); }
@keyframes faq-open {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Tekstpagina (privacy) ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 1.35rem; margin: 38px 0 14px; }
.prose p, .prose li { color: var(--text-2); font-size: 1rem; }
.prose ul { list-style: disc; padding-left: 22px; display: grid; gap: 8px; }
.prose a { color: var(--accent); }
.prose a:hover { text-decoration: underline; }