/* ============================================================
   Air Seal Solutions — design tokens
   ============================================================ */
:root{
  --navy-bg: #0C1F33;
  --navy-diep: #081524;
  --navy-kaart: #122A44;
  --primair: #16324F;
  --blauw: #3E7CB1;
  --lichtblauw: #7FA8CC;
  --ijs1: #C9D6E4;
  --ijs2: #A9BBCD;
  --rood: #D64541;
  --koraal: #E8705F;
  --groen: #2E8B57;
  --licht-bg: #F5F7FA;
  --grijs-tekst: #5A6B7C;
  --grijs: #8B99A8;
  --switch-h: 36px;
  --nav-h: 68px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{background:var(--navy-bg)}
body{font-family:'Archivo',sans-serif;color:var(--primair);overflow-x:hidden}
a{color:var(--lichtblauw);text-decoration:none}
a:hover{color:var(--koraal)}
img{max-width:100%;display:block}
button{font-family:inherit}
input::placeholder,textarea::placeholder{color:var(--grijs)}

.container{max-width:1100px;margin:0 auto}

@keyframes airflow{ to { stroke-dashoffset:-240; } }
@keyframes airflowSlow{ to { stroke-dashoffset:-240; } }
@keyframes pulseRing{ 0%{ transform:scale(0.7); opacity:0.9; } 100%{ transform:scale(2.2); opacity:0; } }
@keyframes floaty{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-10px); } }
@keyframes bounceCue{ 0%,100%{ transform:translateY(0); opacity:0.9; } 50%{ transform:translateY(8px); opacity:0.4; } }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important}
}

/* ============================================================
   Version switch bar
   ============================================================ */
.version-switch{
  position:fixed; top:0; left:0; right:0; z-index:300;
  height:var(--switch-h);
  background:var(--navy-diep);
  display:flex; align-items:center; justify-content:center; gap:8px;
  font-family:'Archivo',sans-serif; font-size:.78rem; color:rgba(255,255,255,.6);
  border-bottom:1px solid rgba(127,168,204,.15);
}
.version-switch strong{color:#fff}
.version-switch a{color:var(--koraal); font-weight:700}

/* ============================================================
   Nav
   ============================================================ */
.nav{
  position:fixed; top:var(--switch-h); left:0; right:0; z-index:250;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 40px;
  background:rgba(12,31,51,0.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(127,168,204,0.15);
}
.nav-logo{display:flex; align-items:center; gap:12px}
.nav-logo svg{flex-shrink:0}
.nav-wordmark{display:flex; flex-direction:column}
.nav-wordmark .top{font-weight:900; font-size:16px; letter-spacing:.5px; color:#fff; line-height:1}
.nav-wordmark .bottom{font-weight:600; font-size:9px; letter-spacing:3.5px; color:var(--koraal); line-height:1.4}
.nav-links{display:flex; align-items:center; gap:28px}
.nav-links a{font-size:14px; font-weight:600; color:var(--ijs1); transition:color .2s}
.nav-links a:hover{color:#fff}
.nav-cta{font-weight:700 !important; color:#fff !important; background:var(--rood); padding:10px 22px; border-radius:999px; transition:background .2s}
.nav-cta:hover{background:var(--koraal); color:#fff !important}
.nav-toggle{display:none; background:none; border:none; cursor:pointer; padding:6px; flex-direction:column; gap:5px}
.nav-toggle span{display:block; width:22px; height:2px; background:#fff; border-radius:2px}

@media (max-width:900px){
  .nav{padding:14px 20px}
  .nav-links{
    display:none; position:fixed; top:calc(var(--switch-h) + 60px); left:0; right:0;
    background:var(--navy-diep); flex-direction:column; align-items:flex-start;
    padding:24px 28px; gap:18px; border-bottom:1px solid rgba(127,168,204,.15);
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:flex}
}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative; z-index:2;
  min-height:100vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding:calc(var(--switch-h) + 140px) 32px 80px;
}
.hero-ambient{position:absolute; inset:0; width:100%; height:100%; pointer-events:none}
.hero-inner{
  position:relative; width:100%; max-width:1100px; margin:0 auto;
  display:flex; gap:56px; align-items:center; flex-wrap:wrap;
}
.hero-text{
  flex:1 1 480px; min-width:320px;
  display:flex; flex-direction:column; align-items:flex-start; gap:24px;
  text-align:left;
}
.hero-kicker{font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:700; letter-spacing:4px; color:var(--koraal)}
.hero h1{
  font-family:'Space Grotesk',sans-serif; font-weight:700;
  font-size:clamp(40px,5vw,64px); line-height:1.06; color:#fff;
}
.hero p{max-width:560px; font-size:18px; line-height:1.7; color:var(--ijs2)}
.hero-btns{display:flex; gap:14px; margin-top:6px; flex-wrap:wrap}
.btn-hero-primary{
  font-weight:700; font-size:16px; color:#fff; background:var(--rood);
  padding:15px 30px; border-radius:10px; transition:background .2s;
}
.btn-hero-primary:hover{background:var(--koraal); color:#fff}
.btn-hero-outline{
  font-weight:700; font-size:16px; color:#fff;
  border:1.5px solid rgba(255,255,255,0.35); padding:15px 30px; border-radius:10px;
  transition:border-color .2s;
}
.btn-hero-outline:hover{border-color:#fff; color:#fff}
.hero-photo-col{flex:1 1 400px; min-width:320px; display:flex; flex-direction:column; gap:10px}
.hero-photo-frame{
  width:100%; height:440px; border-radius:18px; overflow:hidden;
  border:1px solid rgba(127,168,204,0.25); background:var(--navy-kaart);
  display:flex; align-items:center; justify-content:center;
}
.hero-photo-frame img{width:100%; height:100%; object-fit:contain}
.hero-photo-hint{font-size:13px; color:var(--lichtblauw)}

@media (max-width:900px){
  .hero-inner{flex-direction:column}
  .hero-photo-frame{height:280px}
}

/* ============================================================
   Scroll spine (SVG overlay)
   ============================================================ */
#spine-svg{position:absolute; inset:0; width:100%; height:100%; pointer-events:none; z-index:6}
@media (max-width:700px){
  #spine-svg{display:none}
}

/* ============================================================
   Flow / "volg de lucht"
   ============================================================ */
.flow-section{position:relative; z-index:2; background:var(--licht-bg); padding:110px 32px 120px}
.section-head{display:flex; flex-direction:column; gap:14px; max-width:640px}
.section-kicker{font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:700; letter-spacing:4px}
.section-kicker.rood{color:var(--rood)}
.section-kicker.koraal{color:var(--koraal)}
.section-head h2{
  font-family:'Space Grotesk',sans-serif; font-size:clamp(32px,4vw,48px); font-weight:700;
  color:var(--primair); line-height:1.1;
}
.section-head.on-dark h2{color:#fff}
.section-head p{font-size:17px; line-height:1.7; color:var(--grijs-tekst)}
.section-head.on-dark p{color:var(--ijs2)}

.flow-inner{display:flex; flex-direction:column; gap:56px}
.flow-card{
  position:relative; background:#fff; border-radius:24px;
  box-shadow:0 16px 48px rgba(22,50,79,0.10); padding:48px;
  display:flex; gap:48px; align-items:center; flex-wrap:wrap;
}
.house-wrap{position:relative; flex:1 1 420px; min-width:280px}
.house-wrap svg{width:100%; display:block}

.leak-marker{
  position:absolute; width:30px; height:30px; transform:translate(-50%,-50%);
  display:flex; align-items:center; justify-content:center;
}
.leak-ring{
  position:absolute; inset:0; border-radius:50%; border:2px solid var(--rood);
  animation:pulseRing 1.6s ease-out infinite;
}
.leak-ring.done{border-color:var(--groen); animation:none}
.leak-dot{
  position:relative; width:26px; height:26px; border-radius:50%;
  background:var(--rood); color:#fff; font-weight:900; font-size:14px;
  display:flex; align-items:center; justify-content:center; transition:background .4s;
}
.leak-dot.done{background:var(--groen)}

.leak-list{flex:1 1 320px; display:flex; flex-direction:column; gap:14px; min-width:260px}
.leak-row{
  display:flex; align-items:center; gap:16px;
  background:#FDF2F1; border:1px solid #F2D4D2; border-radius:14px; padding:16px 18px;
  transition:all .4s;
}
.leak-row.done{background:#F0F7F3; border-color:#CDE5D6}
.leak-badge{
  flex-shrink:0; font-size:11px; font-weight:800; letter-spacing:1.5px; color:#fff;
  background:var(--rood); border-radius:999px; padding:5px 12px; transition:background .4s;
}
.leak-badge.done{background:var(--groen)}
.leak-row-text{display:flex; flex-direction:column; gap:2px}
.leak-row-text .t{font-weight:800; font-size:16px; color:var(--primair)}
.leak-row-text .s{font-size:14px; color:var(--grijs-tekst)}
.leak-replay{
  align-self:flex-start; margin-top:6px; font-weight:700; font-size:14px; color:var(--blauw);
  background:none; border:1.5px solid var(--blauw); border-radius:999px; padding:10px 22px; cursor:pointer;
  transition:all .2s;
}
.leak-replay:hover{color:#fff; background:var(--blauw)}

/* ============================================================
   Diensten
   ============================================================ */
.diensten-section{position:relative; z-index:2; background:var(--licht-bg); padding:20px 32px 130px}
.diensten-inner{display:flex; flex-direction:column; gap:44px}
.diensten-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:22px}
.dienst-card{
  display:flex; flex-direction:column; gap:14px;
  background:#fff; border-radius:20px; padding:30px;
  box-shadow:0 8px 28px rgba(22,50,79,0.07);
  border-top:4px solid var(--blauw);
  transition:transform .25s, box-shadow .25s;
}
.dienst-card:hover{transform:translateY(-6px); box-shadow:0 20px 44px rgba(22,50,79,0.14)}
.dienst-card .nr{font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:700; color:var(--lichtblauw); letter-spacing:2px}
.dienst-card .titel{font-weight:800; font-size:20px; color:var(--primair)}
.dienst-card .body{font-size:15px; line-height:1.65; color:var(--grijs-tekst)}

/* ============================================================
   Over ons
   ============================================================ */
.over-section{position:relative; z-index:2; background:var(--navy-bg); padding:120px 32px}
.over-inner{display:flex; gap:64px; flex-wrap:wrap; align-items:flex-start}
.over-tekst{flex:1 1 480px; display:flex; flex-direction:column; gap:20px; min-width:300px}
.over-tekst p{font-size:17px; line-height:1.75; color:var(--ijs2)}
.usp-list{display:flex; flex-direction:column; gap:12px; margin-top:8px}
.usp-item{display:flex; align-items:center; gap:12px}
.usp-item span{font-size:16px; color:#DDE6EF; font-weight:500}

.over-side{flex:1 1 340px; display:flex; flex-direction:column; gap:18px; min-width:280px}
.over-card{
  background:rgba(62,124,177,0.12); border:1px solid rgba(127,168,204,0.25);
  border-radius:20px; padding:30px; display:flex; flex-direction:column; gap:22px;
}
.over-card > .title{font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:17px; color:#fff}
.over-stats{display:flex; flex-direction:column; gap:18px}
.over-stat{display:flex; flex-direction:column; gap:2px}
.over-stat .num{font-family:'Space Grotesk',sans-serif; font-size:28px; font-weight:700; color:var(--koraal)}
.over-stat .lbl{font-size:13px; letter-spacing:1.5px; color:var(--lichtblauw); font-weight:600}
.mission-card{
  background:linear-gradient(140deg, var(--rood), #B23530);
  border-radius:20px; padding:28px; display:flex; flex-direction:column; gap:10px;
  animation:floaty 6s ease-in-out infinite;
}
.mission-card .title{font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:18px; color:#fff}
.mission-card p{font-size:15.5px; line-height:1.65; color:rgba(255,255,255,0.92)}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section{position:relative; z-index:2; background:var(--licht-bg); padding:120px 32px}
.faq-inner{max-width:860px; margin:0 auto; display:flex; flex-direction:column; gap:40px}
.faq-list{display:flex; flex-direction:column; gap:14px}
.faq-item{background:#fff; border-radius:16px; box-shadow:0 6px 20px rgba(22,50,79,0.06); overflow:hidden}
.faq-btn{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  width:100%; text-align:left; background:none; border:none; cursor:pointer;
  padding:22px 26px; font-family:'Archivo',sans-serif;
}
.faq-btn .q{font-weight:800; font-size:17px; color:var(--primair)}
.faq-chev{flex-shrink:0; font-size:18px; color:var(--lichtblauw); transition:transform .3s, color .3s}
.faq-item.open .faq-chev{color:var(--rood); transform:rotate(180deg)}
.faq-body{max-height:0; overflow:hidden; transition:max-height .35s ease}
.faq-item.open .faq-body{max-height:400px}
.faq-body p{margin:0; padding:0 26px 24px; font-size:15.5px; line-height:1.7; color:var(--grijs-tekst)}

/* ============================================================
   Contact
   ============================================================ */
.contact-section{position:relative; z-index:2; background:var(--navy-bg); padding:120px 32px 100px}
.contact-inner{display:flex; flex-direction:column; gap:44px}
.contact-grid{display:flex; gap:40px; flex-wrap:wrap}
.contact-form-card{
  flex:1 1 480px; min-width:300px;
  background:rgba(255,255,255,0.04); border:1px solid rgba(127,168,204,0.2);
  border-radius:20px; padding:34px; display:flex; flex-direction:column; gap:16px;
}
.form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px}
@media (max-width:560px){.form-row{grid-template-columns:1fr}}
.contact-form-card input, .contact-form-card select, .contact-form-card textarea{
  font-family:'Archivo',sans-serif; font-size:15px; color:#fff;
  background:rgba(12,31,51,0.6); border:1px solid rgba(127,168,204,0.3);
  border-radius:10px; padding:14px 16px; outline:none; width:100%;
}
.contact-form-card select{color:var(--ijs2)}
.contact-form-card textarea{resize:vertical}
.contact-form-card input:focus, .contact-form-card select:focus, .contact-form-card textarea:focus{
  border-color:var(--koraal);
}
.btn-submit{
  align-self:flex-start; font-weight:700; font-size:16px; color:#fff; background:var(--rood);
  padding:15px 34px; border-radius:999px; border:none; cursor:pointer; transition:background .2s;
}
.btn-submit:hover{background:var(--koraal)}
.btn-submit:disabled{opacity:.6; cursor:not-allowed}

.contact-side{flex:1 1 320px; min-width:260px; display:flex; flex-direction:column; gap:22px}
.contact-rows{display:flex; flex-direction:column; gap:16px}
.contact-row{display:flex; flex-direction:column; gap:2px; border-left:3px solid var(--blauw); padding-left:16px}
.contact-row .lbl{font-size:12px; letter-spacing:2px; font-weight:700; color:var(--lichtblauw)}
.contact-row .val{font-size:17px; font-weight:600; color:#fff}
.hours-card{
  background:rgba(62,124,177,0.12); border:1px solid rgba(127,168,204,0.25);
  border-radius:16px; padding:22px; display:flex; flex-direction:column; gap:8px;
}
.hours-card .title{font-weight:800; font-size:15px; color:#fff}
.hours-card p{font-size:14.5px; color:var(--ijs2); line-height:1.8}

/* ============================================================
   Toast (form feedback)
   ============================================================ */
#toast-container{position:fixed; top:calc(var(--switch-h) + 12px); right:16px; z-index:400; display:flex; flex-direction:column; gap:10px}
.toast{
  background:#fff; border-radius:10px; padding:14px 18px; box-shadow:0 4px 20px rgba(0,0,0,.2);
  display:flex; align-items:center; gap:10px; font-size:.9rem; color:var(--primair);
  transform:translateX(120%); transition:transform .35s; min-width:240px; max-width:320px;
  border-left:4px solid var(--groen);
}
.toast.show{transform:translateX(0)}
.toast.err{border-left-color:var(--rood)}

/* ============================================================
   Cookie banner
   ============================================================ */
#cookie-banner{
  position:fixed; bottom:0; left:0; right:0; z-index:350;
  background:var(--navy-diep); border-top:1px solid rgba(127,168,204,.2);
  transform:translateY(100%); transition:transform .4s;
}
#cookie-banner.show{transform:translateY(0)}
.cb-inner{
  max-width:1100px; margin:0 auto; padding:16px 32px;
  display:flex; align-items:center; gap:20px; flex-wrap:wrap;
}
.cb-text{flex:1; min-width:220px; font-size:.87rem; color:var(--ijs2); line-height:1.5}
.cb-text strong{color:#fff}
.cb-text a{color:var(--koraal)}
.cb-actions{display:flex; gap:10px; flex-shrink:0}
.cb-btn{
  padding:9px 18px; border-radius:8px; font-weight:600; font-size:.83rem;
  cursor:pointer; border:none; font-family:'Archivo',sans-serif; transition:.2s;
}
.cb-decline{background:rgba(255,255,255,.1); color:rgba(255,255,255,.75)}
.cb-decline:hover{background:rgba(255,255,255,.16)}
.cb-accept{background:var(--rood); color:#fff}
.cb-accept:hover{background:var(--koraal)}

/* ============================================================
   Footer
   ============================================================ */
.site-footer{
  position:relative; z-index:2; background:var(--navy-diep); padding:44px 40px;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:20px;
}
.footer-brand{display:flex; align-items:center; gap:12px}
.footer-brand span{font-size:13.5px; color:var(--grijs)}
.footer-links{display:flex; gap:24px}
.footer-links a{font-size:13.5px; color:var(--grijs)}
.footer-links a:hover{color:#fff}