/* ==========================================================================
   proobleemloos — Design System
   Light / futuristic / metallic-tech theme
   ========================================================================== */

:root{
  --bg-0:#f6f8fb;
  --bg-1:#ffffff;
  --bg-2:#eef2f7;
  --surface:#ffffff;
  --surface-glass:rgba(255,255,255,0.65);
  --border:rgba(15,23,42,0.09);
  --border-strong:rgba(15,23,42,0.16);

  --text-0:#111827;
  --text-1:#3f4a5c;
  --text-2:#707c8d;

  --accent:#06b6d4;
  --accent-2:#3b6dff;
  --accent-soft:rgba(6,182,212,0.10);

  --chrome-1:#334155;
  --chrome-2:#94a3b8;
  --chrome-3:#cbd5e1;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;

  --shadow-glow:0 10px 30px rgba(6,182,212,0.25);
  --shadow-card:0 16px 40px rgba(15,23,42,0.08);

  --ease:cubic-bezier(.19,1,.22,1);
  --maxw:1180px;
  color-scheme: light;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(59,109,255,0.08), transparent 60%),
    radial-gradient(950px 650px at 108% 6%, rgba(6,182,212,0.09), transparent 55%),
    var(--bg-0);
  color:var(--text-1);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  opacity:0;
}
body.is-ready{
  opacity:1;
  transition:opacity .6s var(--ease);
}

h1,h2,h3,h4{
  font-family:'Space Grotesk', 'Inter', sans-serif;
  color:var(--text-0);
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-0.01em;
}

h1{ font-size:clamp(2.4rem,5vw,4rem); font-weight:600; }
h2{ font-size:clamp(1.7rem,3.2vw,2.5rem); font-weight:600; }
h3{ font-size:1.25rem; font-weight:600; }
p{ margin:0 0 1em; }
a{ color:inherit; text-decoration:none; transition:color .2s ease; }
img,svg{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

section{ position:relative; padding:96px 0; }
section.tight{ padding:64px 0; }
section.alt{ background:var(--bg-2); }

/* ---------- text helpers ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:16px;
}
.eyebrow::before{
  content:'';
  width:8px;height:8px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(6,182,212,0.5);
}
.lead{ font-size:1.15rem; color:var(--text-1); max-width:640px; }
.center{ text-align:center; margin-left:auto; margin-right:auto; }

.gradient-text{
  background:linear-gradient(120deg, var(--chrome-1) 0%, var(--accent) 45%, var(--accent-2) 75%, var(--chrome-2) 100%);
  background-size:250% auto;
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  animation:shimmer 8s ease-in-out infinite;
}
@keyframes shimmer{
  0%{ background-position:0% 50%; }
  50%{ background-position:100% 50%; }
  100%{ background-position:0% 50%; }
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,0.75);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{ box-shadow:0 8px 24px rgba(15,23,42,0.06); }
.nav{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; align-items:center; gap:10px;
  font-family:'Space Grotesk', sans-serif;
  font-weight:600; font-size:1.25rem;
  color:var(--text-0);
}
.brand .dot{ color:var(--accent); }
.brand-mark{ width:30px; height:30px; }

.nav-links{ display:flex; align-items:center; gap:36px; }
.nav-links a{
  font-size:.92rem; color:var(--text-1); font-weight:500;
  position:relative; padding:6px 0;
}
.nav-links a::after{
  content:'';
  position:absolute; left:0; bottom:0;
  width:0; height:2px;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  transition:width .3s var(--ease);
}
.nav-links a:hover{ color:var(--text-0); }
.nav-links a:hover::after{ width:100%; }
.nav-links a.active{ color:var(--accent); }
.nav-links a.active::after{ width:100%; }

.nav-cta{ display:flex; align-items:center; gap:20px; }

.nav-toggle{
  display:none;
  width:40px; height:40px;
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  background:var(--surface);
  color:var(--text-0);
  align-items:center; justify-content:center;
  cursor:pointer;
  transition:background .2s ease, transform .2s ease;
}
.nav-toggle:active{ transform:scale(.94); }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:.92rem; font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s ease, background .25s ease, color .25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size:160% auto;
  background-position:0% 50%;
  color:#ffffff;
  box-shadow:0 6px 20px rgba(6,182,212,0.28);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:var(--shadow-glow); background-position:100% 50%; }
.btn-primary:active{ transform:translateY(0); }
.btn-ghost{
  background:transparent;
  border-color:var(--border-strong);
  color:var(--text-0);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); transform:translateY(-2px); }
.btn-block{ width:100%; }

/* ---------- hero ---------- */
.hero{
  padding:120px 0 100px;
  position:relative;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:center;
}
.hero h1{ margin-bottom:22px; }
.hero-actions{ display:flex; gap:16px; margin-top:36px; flex-wrap:wrap; }

.hero-stats{
  display:flex; gap:40px; margin-top:56px; flex-wrap:wrap;
}
.hero-stats div strong{
  display:block; font-family:'Space Grotesk',sans-serif;
  font-size:1.7rem; color:var(--text-0);
}
.hero-stats div span{ font-size:.85rem; color:var(--text-2); }

.hero-panel{
  position:relative;
  border-radius:var(--radius-lg);
  padding:2px;
  background:linear-gradient(145deg, rgba(51,65,85,0.35), rgba(6,182,212,0.35), rgba(59,109,255,0.30));
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-10px); }
}
.hero-panel-inner{
  background:linear-gradient(160deg, #ffffff, #f4f7fb);
  border-radius:calc(var(--radius-lg) - 2px);
  padding:32px;
  min-height:380px;
  display:flex; flex-direction:column; gap:18px;
  box-shadow:var(--shadow-card);
}
.hero-panel-row{
  display:flex; align-items:center; gap:14px;
  padding:14px 16px;
  background:var(--surface-glass);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  transition:transform .3s var(--ease), border-color .3s ease;
}
.hero-panel-row:hover{ transform:translateX(4px); border-color:var(--border-strong); }
.hero-panel-row .ico{
  width:38px; height:38px; border-radius:10px;
  display:flex; align-items:center; justify-content:center;
  background:var(--accent-soft); color:var(--accent);
  flex-shrink:0;
}
.hero-panel-row strong{ color:var(--text-0); display:block; font-size:.95rem; }
.hero-panel-row span{ font-size:.82rem; color:var(--text-2); }

/* ---------- canvas bg ---------- */
#bg-canvas{
  position:fixed; inset:0; z-index:-1;
  opacity:.55;
  pointer-events:none;
}

/* ---------- section header ---------- */
.section-head{ max-width:680px; margin-bottom:56px; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- cards ---------- */
.grid{ display:grid; gap:24px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-4{ grid-template-columns:repeat(4,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:32px;
  position:relative;
  overflow:hidden;
  transition:transform .35s var(--ease), border-color .35s ease, box-shadow .35s ease;
}
.card::before{
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(160deg, rgba(6,182,212,0.05), transparent 45%);
  opacity:0;
  transition:opacity .35s ease;
  pointer-events:none;
}
.card:hover{
  transform:translateY(-6px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-card);
}
.card:hover::before{ opacity:1; }
.card .ico{
  width:52px; height:52px;
  border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  background:var(--accent-soft);
  color:var(--accent);
  margin-bottom:22px;
  transition:transform .35s var(--ease), background .35s ease, color .35s ease;
}
.card:hover .ico{
  transform:scale(1.08) rotate(-4deg);
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;
}
.card h3{ margin-bottom:10px; }
.card p{ color:var(--text-2); font-size:.94rem; margin-bottom:0; }
.card .tag{
  display:inline-block; margin-top:16px;
  font-size:.75rem; letter-spacing:.06em; text-transform:uppercase;
  color:var(--accent-2); font-weight:600;
}

/* ---------- process ---------- */
.process{ counter-reset:step; }
.process-list{ display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.process-item{
  position:relative;
  padding:28px 22px;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  background:linear-gradient(160deg, var(--surface), var(--bg-2));
  transition:transform .3s var(--ease), box-shadow .3s ease;
}
.process-item:hover{ transform:translateY(-4px); box-shadow:var(--shadow-card); }
.process-item::before{
  counter-increment:step;
  content:counter(step,decimal-leading-zero);
  font-family:'Space Grotesk',sans-serif;
  font-size:2.2rem;
  font-weight:600;
  background:linear-gradient(135deg,var(--chrome-1),var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:block;
  margin-bottom:14px;
}

/* ---------- band / cta ---------- */
.band{
  border-radius:var(--radius-lg);
  padding:64px;
  background:linear-gradient(135deg, rgba(6,182,212,0.08), rgba(59,109,255,0.07));
  border:1px solid var(--border-strong);
  text-align:center;
}
.band h2{ margin-bottom:14px; }
.band .lead{ margin-left:auto; margin-right:auto; }
.band-actions{ display:flex; gap:16px; justify-content:center; margin-top:32px; flex-wrap:wrap; }

/* ---------- logos / trust strip ---------- */
.trust-strip{
  display:flex; align-items:center; justify-content:space-between;
  gap:24px; flex-wrap:wrap;
  padding:28px 0; border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  color:var(--text-2); font-size:.85rem; letter-spacing:.04em; text-transform:uppercase;
}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  padding:64px 0 32px;
  background:var(--bg-1);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  margin-bottom:48px;
}
.footer-grid h4{ color:var(--text-0); font-size:.85rem; letter-spacing:.06em; text-transform:uppercase; margin-bottom:18px; }
.footer-grid ul li{ margin-bottom:10px; }
.footer-grid ul li a{ color:var(--text-2); font-size:.92rem; }
.footer-grid ul li a:hover{ color:var(--accent); }
.footer-bottom{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:28px; border-top:1px solid var(--border);
  font-size:.82rem; color:var(--text-2); flex-wrap:wrap; gap:12px;
}

/* ---------- page hero (inner pages) ---------- */
.page-hero{ padding:88px 0 56px; }
.breadcrumb{ font-size:.85rem; color:var(--text-2); margin-bottom:18px; }
.breadcrumb a:hover{ color:var(--accent); }

/* ---------- forms ---------- */
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.field{ display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.field.full{ grid-column:1 / -1; }
label{ font-size:.85rem; color:var(--text-1); font-weight:500; }
input, textarea, select{
  background:var(--bg-1);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  padding:13px 16px;
  color:var(--text-0);
  font-family:inherit; font-size:.95rem;
  transition:border-color .2s ease, box-shadow .2s ease;
}
input:focus, textarea:focus, select:focus{
  outline:none; border-color:var(--accent);
  box-shadow:0 0 0 3px var(--accent-soft);
}
textarea{ resize:vertical; min-height:140px; }
.hp-field{ position:absolute; left:-9999px; opacity:0; }

.contact-wrap{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.contact-info-card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-md); padding:32px;
  box-shadow:var(--shadow-card);
}
.contact-info-card .row{ display:flex; gap:14px; margin-bottom:22px; }
.contact-info-card .row .ico{
  width:40px; height:40px; border-radius:10px; flex-shrink:0;
  background:var(--accent-soft); color:var(--accent);
  display:flex; align-items:center; justify-content:center;
}
.contact-info-card .row strong{ display:block; color:var(--text-0); font-size:.9rem; }
.contact-info-card .row span, .contact-info-card .row a{ font-size:.9rem; color:var(--text-2); }
.contact-info-card .row a:hover{ color:var(--accent); }

.alert{
  padding:16px 18px; border-radius:var(--radius-sm);
  font-size:.9rem; margin-bottom:24px; border:1px solid;
}
.alert-success{ background:rgba(6,182,212,0.08); border-color:rgba(6,182,212,0.35); color:#0891a8; }
.alert-error{ background:rgba(239,68,68,0.08); border-color:rgba(239,68,68,0.35); color:#c53030; }

/* ---------- legal pages ---------- */
.legal{ max-width:760px; }
.legal h2{ margin-top:2em; font-size:1.4rem; }
.legal p, .legal li{ color:var(--text-1); }
.legal ul{ list-style:disc; padding-left:1.3em; margin-bottom:1em; }
.legal li{ margin-bottom:.4em; }
.legal .note{
  border:1px dashed var(--border-strong);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  color:var(--text-2);
  font-size:.88rem;
  margin:24px 0;
  background:var(--bg-2);
}

/* ---------- reveal animation ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-delay-1{ transition-delay:.08s; }
.reveal-delay-2{ transition-delay:.16s; }
.reveal-delay-3{ transition-delay:.24s; }
.reveal-delay-4{ transition-delay:.32s; }

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-grid{ grid-template-columns:1fr; }
  .grid-3, .grid-4, .grid-2{ grid-template-columns:1fr 1fr; }
  .process-list{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .contact-wrap{ grid-template-columns:1fr; }
  .form-grid{ grid-template-columns:1fr; }
}
@media (max-width:680px){
  .nav-links, .nav-cta .btn-ghost, .nav-cta .btn-primary{ display:none; }
  .nav-toggle{ display:flex; }
  .grid-3, .grid-4, .grid-2{ grid-template-columns:1fr; }
  .process-list{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
  .band{ padding:40px 24px; }
  section{ padding:64px 0; }
}

/* mobile nav panel */
.nav-links.open{
  display:flex; position:absolute; top:76px; left:0; right:0;
  flex-direction:column; gap:0;
  background:var(--bg-1); border-bottom:1px solid var(--border);
  padding:8px 24px 20px;
  box-shadow:0 16px 30px rgba(15,23,42,0.08);
  animation:slideDown .3s var(--ease);
}
@keyframes slideDown{
  from{ opacity:0; transform:translateY(-10px); }
  to{ opacity:1; transform:translateY(0); }
}
.nav-links.open a{ padding:14px 0; border-bottom:1px solid var(--border); width:100%; }
.nav-links.open a::after{ display:none; }

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