/* ============================================================
   Sichtbar – Agency marketing site
   Palette: deep night-blue + vivid mint/teal accent (modern, digital, trust)
   Structure reuses the 05-templates/professional system; recolored + new sections.
   ============================================================ */
:root{
  --night:#0f1f3d;
  --night-700:#0a1730;
  --mint:#16c79a;
  --mint-600:#11a37e;
  --ink:#1c2430;
  --muted:#586271;
  --line:#e4e8ef;
  --bg:#fff;
  --bg-alt:#f4f7fb;
  --radius:12px;
  --shadow:0 10px 34px rgba(15,31,61,.10);
  --maxw:1160px;
  --sans:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--mint-600);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.18;color:var(--night);margin:0 0 .4em;letter-spacing:-.01em}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container.narrow{max-width:760px}
.muted{color:var(--muted)}
.center{text-align:center;margin-top:40px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.78rem;font-weight:700;color:var(--mint-600);margin:0 0 .6em}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;font-weight:700;border-radius:8px;padding:.7em 1.4em;border:2px solid transparent;cursor:pointer;transition:.15s ease;font-size:.95rem}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-lg{padding:.9em 1.8em;font-size:1.02rem}
.btn-block{width:100%}
.btn-primary{background:var(--mint);color:var(--night)}
.btn-primary:hover{background:var(--mint-600);color:#fff}
.btn-outline{background:transparent;color:var(--night);border-color:var(--night)}
.btn-outline:hover{background:var(--night);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(15,31,61,.05)}
.header-inner{display:flex;align-items:center;gap:18px;padding:.8rem 24px}
.logo{display:flex;align-items:center;gap:.6em;color:var(--night)}
.logo:hover{text-decoration:none}
.logo-mark{width:42px;height:42px;border-radius:10px;background:var(--night);color:var(--mint);display:grid;place-items:center;font-weight:800;font-size:1.4rem}
.logo-text{font-weight:800;font-size:1.2rem;line-height:1.05;display:flex;flex-direction:column}
.logo-text small{font-size:.62rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:1.6rem;list-style:none;margin:0;padding:0}
.main-nav a{color:var(--ink);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--mint-600);text-decoration:none}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-toggle{font-size:.82rem;color:var(--muted)}
.lang-toggle a{color:var(--muted)}
.lang-toggle a[aria-current="true"]{color:var(--night);font-weight:700}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:6px;cursor:pointer}
.nav-toggle span{width:24px;height:2px;background:var(--night)}

/* Hero */
.hero{background:linear-gradient(160deg,#eaf1fb,#fff 70%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:76px 24px}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.4rem)}
.lead{font-size:1.18rem;color:var(--muted);max-width:46ch}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0}
.hero-trust{list-style:none;padding:0;margin:0;display:flex;gap:28px;flex-wrap:wrap}
.hero-trust li{font-size:.92rem;color:var(--muted)}
.hero-trust strong{display:block;font-size:1.25rem;color:var(--night)}
.hero-media img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* Trust bar */
.trustbar{background:var(--night)}
.trustbar-inner{display:flex;align-items:center;justify-content:center;gap:18px 34px;flex-wrap:wrap;padding:16px 24px}
.trust-pill{color:#dbe6f5;font-size:.9rem;font-weight:600}

/* Sections */
.section{padding:78px 0}
.section-alt{background:var(--bg-alt)}
.section-head{text-align:center;max-width:680px;margin:0 auto 46px}
.section-sub{color:var(--muted);font-size:1.08rem}

/* Cards (industries + demos) */
.cards-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);transition:.15s ease}
.card:hover{transform:translateY(-4px);border-color:var(--mint)}
.card-icon{font-size:1.7rem;width:54px;height:54px;border-radius:12px;background:var(--bg-alt);display:grid;place-items:center;margin-bottom:14px}
.card h3{margin-bottom:.4em;font-size:1.12rem}
.card p{color:var(--muted);margin:0;font-size:.95rem}
.card p strong{color:var(--ink)}

/* Demo cards (proof) */
.demo-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.15s ease;color:var(--ink)}
.demo-card:hover{transform:translateY(-4px);border-color:var(--mint);text-decoration:none}
.demo-card img{width:100%}
.demo-card h3{margin:18px 20px .2em;font-size:1.02rem}
.demo-card .card-link{display:block;margin:0 20px 20px;font-weight:700;color:var(--mint-600)}

/* Value grid */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.value-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);display:grid;grid-template-columns:auto 1fr;gap:6px 18px;align-items:start}
.value-num{grid-row:1 / span 2;font-size:1.8rem;width:54px;height:54px;border-radius:12px;background:var(--night);color:var(--mint);display:grid;place-items:center}
.value-item h3{margin:0;font-size:1.1rem}
.value-item p{margin:.3em 0 0;color:var(--muted);font-size:.96rem}

/* Steps */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{text-align:center;padding:8px}
.step-num{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--mint);color:var(--night);font-weight:800;font-size:1.4rem}
.step h3{font-size:1.15rem}
.step p{color:var(--muted);margin:0}

/* CTA / form */
.section-cta{background:linear-gradient(160deg,var(--night),var(--night-700));color:#fff}
.section-cta h2{color:#fff}
.section-cta .eyebrow{color:var(--mint)}
.form-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.form-copy p{color:#c6d2e6}
.hero-trust.light{flex-direction:column;gap:12px;margin-top:20px}
.hero-trust.light li{color:#e6ecf5;font-size:1rem}
.hero-trust.light strong{display:inline;font-size:1rem;color:var(--mint);margin-right:.4em}
.contact-form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:16px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field label{display:block;font-weight:700;margin-bottom:6px;font-size:.92rem}
.field input,.field select,.field textarea{width:100%;padding:.7em .8em;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--mint);border-color:var(--mint)}
.form-note{font-size:.82rem;color:var(--muted);margin:12px 0 0}

/* Footer */
.site-footer{background:var(--night-700);color:#c2cee0;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h3{color:#fff;font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1em}
.site-footer ul{list-style:none;margin:0;padding:0;line-height:2}
.site-footer a{color:#fff}
.site-footer address{font-style:normal;line-height:1.8}
.logo-footer{color:#fff;margin-bottom:10px}
.logo-footer .logo-text{font-size:1.05rem}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.14);margin-top:38px;padding-top:18px;flex-wrap:wrap;gap:12px;font-size:.88rem}
.footer-legal{display:flex;gap:18px;list-style:none;margin:0;padding:0}

/* Responsive */
@media (max-width:960px){
  .cards-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .main-nav{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);background:#fff;flex-direction:column;padding:80px 26px;transform:translateX(100%);transition:transform .25s ease;margin:0;box-shadow:-8px 0 24px rgba(0,0,0,.12)}
  .main-nav.open{transform:translateX(0)}
  .main-nav ul{flex-direction:column;gap:.3rem}
  .main-nav a{display:block;padding:.7em 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:flex;order:3}
  .header-actions .btn-primary{display:none}
  .hero-inner,.form-inner{grid-template-columns:1fr}
  .hero-media{order:-1}
  .value-grid,.steps-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .cards-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .lang-toggle{display:none}
}